Disclosure of Invention
In view of the above, it is desirable to provide a characteristic testing method, device, and switching system for a vacuum circuit breaker capable of improving the accuracy of characteristic testing.
In a first aspect, the present application provides a method for testing characteristics of a vacuum circuit breaker. The method comprises the following steps:
controlling a vacuum circuit breaker to be switched on, and acquiring the switching-on starting time of the vacuum circuit breaker and the switching-on time of the vacuum circuit breaker when the vacuum circuit breaker is switched on after switching-on is finished;
acquiring a closing displacement measured by a displacement sensor, wherein a connecting rod of the displacement sensor stretches out and draws back along with closing of the vacuum circuit breaker, and the stretching quantity of the connecting rod is used for representing the closing displacement;
and generating switching-on characteristic information of the vacuum circuit breaker according to the switching-on starting time, the power-on time and the switching-on displacement.
In one embodiment, the displacement sensor comprises a speed measuring block, a base and a connecting rod; the base is vertically and fixedly connected with a bottom plate of the characteristic testing device of the vacuum circuit breaker; the speed measuring block is fixedly connected with a pull rod connecting plate of the characteristic testing device; the connecting rod is connected between the speed measuring block and the base and stretches along with the up-and-down movement of the pull rod connecting plate; after the pull rod connecting plate moves upwards to exceed a first preset position, the vacuum circuit breaker is opened; and after the pull rod connecting plate moves downwards to exceed a second preset position, the vacuum circuit breaker is switched on.
In one embodiment, the measuring the closing characteristic of the vacuum circuit breaker according to the closing start time, the energizing time and the closing displacement includes:
determining the closing time of the vacuum circuit breaker according to the closing starting time and the electrifying time; determining the closing speed of the vacuum circuit breaker according to the closing time and the closing displacement; and generating the switching-on characteristic information of the vacuum circuit breaker by using the switching-on time, the switching-on displacement and the switching-on speed.
In one embodiment, after the measuring of the closing characteristic of the vacuum circuit breaker according to the closing start time, the energization time, and the closing displacement amount, the method further includes:
controlling the opening of a vacuum circuit breaker, and acquiring the opening starting time of the vacuum circuit breaker and the breaking time when the vacuum circuit breaker is broken after the opening is finished; acquiring the brake-separating displacement measured by the displacement sensor; and generating the breaking characteristic information of the vacuum circuit breaker according to the breaking starting time, the breaking time and the breaking displacement.
In one embodiment, the measuring the opening characteristic of the vacuum circuit breaker according to the opening start time, the power-off time and the opening displacement includes:
determining the opening time of the vacuum circuit breaker according to the opening starting time and the power-off time; determining the opening speed of the vacuum circuit breaker according to the opening time and the opening displacement; and generating the breaking characteristic information of the vacuum circuit breaker by the breaking time, the breaking displacement and the breaking speed.
In one embodiment, obtaining the energizing time when the vacuum circuit breaker is turned on after the closing operation is completed includes:
monitoring the on-off state of the vacuum circuit breaker to obtain state monitoring information; acquiring a target moment when the vacuum circuit breaker is changed from a power-off state to a power-on state according to state monitoring information; and saving the target time as the power-on time.
In a second aspect, the present application also provides a characteristic test apparatus for a vacuum circuit breaker. The device comprises:
the switching-on and switching-off module is used for controlling the switching-on of the vacuum circuit breaker and obtaining the switching-on starting time of the vacuum circuit breaker and the switching-on time of the vacuum circuit breaker when the vacuum circuit breaker is switched on after switching-on is finished; the displacement sensor is used for measuring the closing displacement of the vacuum circuit breaker, wherein a connecting rod of the displacement sensor stretches out and draws back along with the closing of the vacuum circuit breaker, and the stretching quantity of the connecting rod is used for representing the closing displacement; and the characteristic measurement module is used for generating switching-on characteristic information of the vacuum circuit breaker according to the switching-on starting time, the electrifying time and the switching-on displacement.
In one embodiment, the displacement sensor comprises a speed measuring block, a base and a connecting rod; the base is vertically and fixedly connected with the bottom plate of the characteristic testing device; the speed measuring block is fixedly connected with a pull rod connecting plate of the switching-on and switching-off module; the connecting rod is connected between the speed measuring block and the base and stretches along with the up-and-down movement of the pull rod connecting plate; after the pull rod connecting plate moves upwards to exceed a first preset position, the vacuum circuit breaker is opened; and after the pull rod connecting plate moves downwards to exceed a second preset position, the vacuum circuit breaker is switched on.
In one embodiment, the on-off brake module further comprises an energizing detection module for monitoring the on-off state of the vacuum circuit breaker.
In a third aspect, the present application further provides a switching system, including a vacuum circuit breaker and a characteristic testing device of the vacuum circuit breaker, the characteristic testing device of the vacuum circuit breaker is used for implementing the following steps:
controlling a vacuum circuit breaker to be switched on, and acquiring the switching-on starting time of the vacuum circuit breaker and the switching-on time of the vacuum circuit breaker when the vacuum circuit breaker is switched on after switching-on is finished; acquiring a closing displacement measured by a displacement sensor, wherein a connecting rod of the displacement sensor stretches out and draws back along with closing of the vacuum circuit breaker, and the stretching quantity of the connecting rod is used for representing the closing displacement; and generating switching-on characteristic information of the vacuum circuit breaker according to the switching-on starting time, the power-on time and the switching-on displacement.
In a fourth aspect, the present application also provides a computer-readable storage medium. The computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
controlling a vacuum circuit breaker to be switched on, and acquiring the switching-on starting time of the vacuum circuit breaker and the switching-on time of the vacuum circuit breaker when the vacuum circuit breaker is switched on after switching-on is finished; acquiring a closing displacement measured by a displacement sensor, wherein a connecting rod of the displacement sensor stretches out and draws back along with closing of the vacuum circuit breaker, and the stretching quantity of the connecting rod is used for representing the closing displacement; and generating switching-on characteristic information of the vacuum circuit breaker according to the switching-on starting time, the power-on time and the switching-on displacement.
According to the characteristic testing method, the characteristic testing device and the switching system of the vacuum circuit breaker, the switching-on of the vacuum circuit breaker is controlled, and the switching-on starting time of the vacuum circuit breaker and the switching-on time of the vacuum circuit breaker when the vacuum circuit breaker is switched on after switching-on are obtained; acquiring a closing displacement measured by a displacement sensor, wherein a connecting rod of the displacement sensor stretches out and draws back along with closing of the vacuum circuit breaker, and the stretching quantity of the connecting rod is used for representing the closing displacement; according to the switching-on starting time, the electrifying time and the switching-on displacement, switching-on characteristic information of the vacuum circuit breaker is generated, in the application, the displacement of the displacement sensor can directly reflect the displacement of a moving contact and a fixed contact inside the vacuum circuit breaker, switching-on characteristic test is conducted on the vacuum circuit breaker based on the displacement, and switching-on characteristic test accuracy of the vacuum circuit breaker can be improved.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
In one embodiment, as shown in fig. 1, a method for testing characteristics of a vacuum circuit breaker is provided, and this embodiment is exemplified by applying the method to a terminal, it will be understood that the method may also be applied to a server, and may also be applied to a system including a terminal and a server, and implemented through interaction between the terminal and the server. In this embodiment, the method includes the steps of:
and 202, controlling the switching-on of the vacuum circuit breaker, and acquiring the switching-on starting time of the vacuum circuit breaker and the switching-on time of the vacuum circuit breaker when the vacuum circuit breaker is switched on after switching-on is finished.
The switching-on and switching-off of the vacuum circuit breaker can be controlled by a switching-on and switching-off module of a performance testing device of the vacuum circuit breaker, specifically, a terminal device or other devices capable of sending control instructions send control switching-on instructions, the switching-on and switching-off module receives the switching-on instructions to control the switching-on of the vacuum circuit breaker, the switching-on starting time is the time when the terminal device sends the control instructions, and the switching-on time is the time when a circuit is conducted, namely, the time when a movable contact and a static contact of the vacuum circuit breaker are contacted and electrified.
As an example, step 202 includes: sending a control switching-on instruction to instruct a switching-on and switching-off module to control the switching-on of the vacuum circuit breaker, and obtaining a control instruction moment; and monitoring the on-off state of the vacuum circuit breaker at the control command time, and taking the target time when the vacuum circuit breaker is changed from the power-off state to the power-on state as the power-on time.
And 204, acquiring a closing displacement measured by a displacement sensor, wherein a connecting rod of the displacement sensor stretches and contracts along with closing of the vacuum circuit breaker, and the stretching and contracting amount of the connecting rod is used for representing the closing displacement.
The displacement sensor is used for measuring and controlling the switching-on displacement of the switching-on device of the vacuum circuit breaker, the switching-on displacement can represent the displacement of the movable contact of the vacuum circuit breaker in the switching-on process, namely, the displacement of the movable contact of the vacuum circuit breaker in the period from the switching-on starting time to the switching-on time.
And step 206, generating switching-on characteristic information of the vacuum circuit breaker according to the switching-on starting time, the switching-on time and the switching-on displacement.
The switching-on characteristic information of the vacuum circuit breaker comprises a distance between a movable contact and a fixed contact of the vacuum circuit breaker, switching-on time and switching-on speed, wherein the switching-on time refers to a time span between switching-on starting time and switching-on time, and the switching-on speed refers to an average moving speed of the movable contact in a switching-on process.
As an example, as shown in fig. 2, the vacuum circuit breaker is connected with the control switch, the on-off monitoring device and the displacement sensor, the data processing device has data processing capability and control capability, and the data processing device sends a closing instruction to the control switch to instruct the control switch to control the vacuum circuit breaker to close; the data processing device sends a monitoring instruction to the on-off monitoring device while sending a closing instruction, and instructs the on-off monitoring device to monitor the on-off state of the vacuum circuit breaker; when the on-off monitoring device monitors that the vacuum circuit breaker is changed from the power-off state to the power-on state, the on-off monitoring device feeds back to the data processing device; the data processing device records the time when the power-off state is converted into the power-on state as the power-on time, and acquires the switching-on displacement of the displacement sensor from the switching-on instruction sending time to the power-on time; and the data processing device generates switching-on characteristic information of the vacuum circuit breaker according to the switching-on instruction moment, the switching-on moment and the switching-on displacement.
As an example, step 206 includes: determining closing time according to closing starting time and energizing time; determining the distance between a movable contact and a stationary contact of the vacuum circuit breaker according to the switching-on displacement; and determining the closing speed according to the closing time and the distance between the movable contact and the fixed contact of the vacuum circuit breaker.
In the characteristic test method of the vacuum circuit breaker, the switching-on of the vacuum circuit breaker is controlled, and the switching-on starting time of the vacuum circuit breaker and the switching-on time of the vacuum circuit breaker when the vacuum circuit breaker is switched on after switching-on are obtained; acquiring a closing displacement measured by a displacement sensor, wherein a connecting rod of the displacement sensor stretches out and draws back along with closing of a vacuum circuit breaker, and the stretching quantity of the connecting rod is used for representing the closing displacement; according to the starting time, the energizing time and the closing displacement of the vacuum circuit breaker, closing characteristic information of the vacuum circuit breaker is generated, in the embodiment, the displacement of the displacement sensor can directly reflect the displacement of a moving contact and a fixed contact inside the vacuum circuit breaker, and the closing characteristic of the vacuum circuit breaker is tested based on the displacement, so that the accuracy of testing the closing characteristic of the vacuum circuit breaker can be improved.
In one embodiment, as shown in FIG. 3, the displacement sensor includes a speed measurement block, a base, and a link; the base is vertically and fixedly connected with a bottom plate of a characteristic testing device of the vacuum circuit breaker; the speed measuring block is fixedly connected with a pull rod connecting plate of the characteristic testing device; the connecting rod is connected between the speed measuring block and the base and stretches along with the up-and-down movement of the connecting plate of the pull rod; after the pull rod connecting plate moves upwards to exceed a first preset position, the vacuum circuit breaker is opened; and after the pull rod connecting plate moves downwards to exceed a second preset position, the vacuum circuit breaker is switched on.
Specifically, the pull rod connecting plate of the characteristic testing device of the vacuum circuit breaker is fixedly connected with the gate at one end of the movable contact of the vacuum circuit breaker, the pull rod connecting plate can move up and down to control the vacuum circuit breaker to switch on and off, the speed measuring block is fixedly connected with the pull rod connecting plate of the characteristic testing device, the base is vertically fixedly connected with the bottom plate of the characteristic testing device of the vacuum circuit breaker, the connecting rod is connected between the speed measuring block and the base, and when the pull rod connecting plate moves up and down to control the vacuum circuit breaker to switch on and off, the pull rod of the sensor stretches along with the up and down movement of the pull rod connecting plate.
In this embodiment, displacement sensor's base is fixed on vacuum circuit breaker's characteristic testing device's bottom plate, and the speed measurement piece is fixed on the pull rod connecting plate that control vacuum circuit breaker combined floodgate, and in vacuum circuit breaker's combined floodgate in-process, the pull rod connecting plate reciprocates control vacuum circuit breaker combined floodgate, and the speed measurement piece drives the pull rod and removes along with the pull rod connecting plate removes, and the flexible volume of pull rod can direct characterization vacuum circuit breaker movable contact's displacement, can direct measurement obtain combined floodgate displacement, improves the degree of accuracy of combined floodgate displacement, helps generating more accurate vacuum circuit breaker combined floodgate characteristic information.
In one embodiment, measuring a closing characteristic of a vacuum circuit breaker according to a closing start time, an energization time, and a closing displacement amount includes:
determining the closing time of the vacuum circuit breaker according to the closing starting time and the energizing time; determining the closing speed of the vacuum circuit breaker according to the closing time and the closing displacement; and generating the switching-on characteristic information of the vacuum circuit breaker by using the switching-on time, the switching-on displacement and the switching-on speed.
As an example, the closing start time is t1 The electrifying time is t2 The closing time is t2 -t1 。
As an example, the closing time is t2 -t1 Closing positionThe shift amount is s1 The closing speed of the vacuum circuit breaker is
Specifically, taking the time span between the starting time and the energizing time as the closing time, dividing the closing displacement by the closing time to obtain the closing speed; and taking the closing time, the closing speed and the closing displacement as closing characteristic information of the vacuum circuit breaker, wherein the vacuum circuit breaker can be subjected to closing performance evaluation according to the closing time, the closing speed and the closing displacement of the vacuum circuit breaker, and the closing characteristic evaluation information obtained through evaluation is taken as the closing characteristic information.
In one embodiment, after measuring the closing characteristic of the vacuum circuit breaker according to the closing start time, the energizing time and the closing displacement amount, the method further includes:
the method comprises the steps of controlling the opening of a vacuum circuit breaker, and obtaining the opening starting time of the vacuum circuit breaker and the breaking time when the vacuum circuit breaker is broken after the opening is finished; acquiring a brake-separating displacement measured by a displacement sensor; and generating the breaking characteristic information of the vacuum circuit breaker according to the breaking starting time, the breaking time and the breaking displacement.
The switching-on characteristic information of the vacuum circuit breaker comprises a compression stroke, switching-off time and switching-off speed of a contact spring after a moving contact of the vacuum circuit breaker contacts a fixed contact, wherein the switching-off time refers to a time span between a switching-off starting time and a switching-off time, and the switching-off speed refers to an average moving speed of a moving contact in a switching-off process; the opening displacement can be the displacement of the moving contact of the vacuum circuit breaker from the opening starting time to the power-off time.
Specifically, the terminal equipment or other equipment capable of sending out control instructions sends out control opening instructions, the opening and closing module receives the opening instructions to control the vacuum circuit breaker to open, the opening starting time is the time when the terminal equipment sends out the control instructions, and the electrifying time is the time when a circuit is disconnected, namely the time when a movable contact and a static contact of the vacuum circuit breaker are disconnected and powered off; determining the opening displacement of the vacuum circuit breaker according to the expansion and contraction amount of the pull rod of the displacement sensor; and generating the breaking characteristic information of the vacuum circuit breaker according to the breaking starting time, the breaking time and the breaking displacement.
In the embodiment, the displacement of the displacement sensor can directly reflect the displacement of the movable contact and the fixed contact in the vacuum circuit breaker, and the switching-off characteristic test of the vacuum circuit breaker is performed based on the displacement, so that the switching-off characteristic test accuracy of the vacuum circuit breaker can be improved.
In one embodiment, measuring a breaking characteristic of a vacuum circuit breaker according to a breaking start time, a breaking time, and a breaking displacement amount includes:
determining the opening time of the vacuum circuit breaker according to the opening starting time and the breaking time; determining the opening speed of the vacuum circuit breaker according to the opening time and the opening displacement; and generating the breaking characteristic information of the vacuum circuit breaker by the breaking time, the breaking displacement and the breaking speed.
As an example, the opening start time is t3 The power-off time is t4 Then the opening time is t4 -t3 。
As an example, the opening time is t4 -t3 The displacement of the opening valve is s2 The opening speed of the vacuum circuit breaker is
Specifically, taking the time span between the opening start time and the power-off time as opening time, dividing the opening displacement by the opening time to obtain opening speed; the breaking time, the breaking speed and the breaking displacement are used as breaking characteristic information of the vacuum circuit breaker, wherein breaking performance of the vacuum circuit breaker can be evaluated according to the breaking time, the breaking speed and the breaking displacement of the vacuum circuit breaker, and breaking characteristic evaluation information obtained through evaluation is used as breaking characteristic information.
In one embodiment, obtaining the energizing time when the vacuum circuit breaker is turned on after the closing operation is completed includes:
monitoring the on-off state of the vacuum circuit breaker to obtain state monitoring information; acquiring a target moment when the vacuum circuit breaker is changed from a power-off state to a power-on state according to the state monitoring information; the target time is saved as the energization time.
The on-off state can be monitored by monitoring the current in the circuit, circuit loops at two ends of the vacuum circuit breaker can be constructed, when the vacuum circuit breaker is in an off state, loop current does not exist in the circuit loops, and when the vacuum circuit breaker is in an on state, loop current exists in the circuit loops, and the on-time is the time for generating the circuit loop current.
In the embodiment, the on-off state of the vacuum circuit breaker can be monitored in real time by monitoring the on-off state of the vacuum circuit breaker, so that more accurate power-on time is obtained.
In one embodiment, a vacuum circuit breaker is controlled to be switched on, and the switching-on starting time of the vacuum circuit breaker is obtained; monitoring the on-off state of the vacuum circuit breaker to obtain state monitoring information; acquiring a target moment when the vacuum circuit breaker is changed from a power-off state to a power-on state according to the state monitoring information; the target time is saved as the energization time. Acquiring a closing displacement measured by a displacement sensor, wherein the displacement sensor comprises a speed measuring block, a base and a connecting rod; the base is vertically and fixedly connected with a bottom plate of a characteristic testing device of the vacuum circuit breaker; the speed measuring block is fixedly connected with a pull rod connecting plate of the characteristic testing device; the connecting rod is connected between the speed measuring block and the base and stretches along with the up-and-down movement of the connecting plate of the pull rod; after the pull rod connecting plate moves upwards to exceed a first preset position, the vacuum circuit breaker is opened; after the pull rod connecting plate moves downwards to exceed a second preset position, the vacuum circuit breaker is switched on; because the displacement of the displacement sensor can directly reflect the displacement of the movable contact and the fixed contact in the vacuum circuit breaker, the switching-on characteristic test of the vacuum circuit breaker is carried out based on the displacement, and the switching-on characteristic test accuracy of the vacuum circuit breaker can be improved.
Further, determining the closing time of the vacuum circuit breaker according to the closing starting time and the energizing time; determining the closing speed of the vacuum circuit breaker according to the closing time and the closing displacement; and generating the switching-on characteristic information of the vacuum circuit breaker by using the switching-on time, the switching-on displacement and the switching-on speed.
After the switching-on characteristic information of the vacuum circuit breaker is generated, controlling the vacuum circuit breaker to switch off, and acquiring the switching-off starting time of the vacuum circuit breaker and the switching-off time when the vacuum circuit breaker is switched off after switching-off is finished; acquiring a brake-separating displacement measured by a displacement sensor; determining the opening time of the vacuum circuit breaker according to the opening starting time and the breaking time; determining the opening speed of the vacuum circuit breaker according to the opening time and the opening displacement; generating breaking characteristic information of the vacuum circuit breaker by breaking time, breaking displacement and breaking speed; the displacement of the displacement sensor can directly reflect the displacement of the movable contact and the fixed contact in the vacuum circuit breaker, the vacuum circuit breaker is subjected to the brake-separating characteristic test based on the displacement, and the brake-separating characteristic test accuracy of the vacuum circuit breaker can be improved.
It should be understood that, although the steps in the flowcharts related to the embodiments described above are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.
Based on the same inventive concept, the embodiment of the application also provides a characteristic testing device of the vacuum circuit breaker for realizing the characteristic testing method of the vacuum circuit breaker. The implementation of the solution provided by the device is similar to the implementation described in the above method, so the specific limitation in the embodiment of the characteristic testing device for one or more vacuum circuit breakers provided below may be referred to the limitation of the characteristic testing method for vacuum circuit breakers hereinabove, and will not be repeated herein.
In one embodiment, referring to fig. 3 and 4, there is provided a characteristic testing apparatus of a vacuum circuit breaker, comprising: a closing and opening module 302, a displacement sensor 304 and a characteristic measurement module 306, wherein:
the switching-on/off module 302 is used for controlling the switching-on of the vacuum circuit breaker and obtaining the switching-on starting time of the vacuum circuit breaker and the switching-on time of the vacuum circuit breaker when the vacuum circuit breaker is switched on after switching-on is finished;
the displacement sensor 304 is configured to measure a closing displacement of the vacuum circuit breaker, where a connecting rod of the displacement sensor stretches out and draws back along with closing of the vacuum circuit breaker, and the stretching amount of the connecting rod is used to characterize the closing displacement;
and the characteristic measurement module 306 is configured to generate closing characteristic information of the vacuum circuit breaker according to the closing start time, the energizing time and the closing displacement.
In one embodiment, the characteristic measurement module 306 is communicatively coupled to the on-off module 302 and the displacement sensor 304, respectively.
In one embodiment, the displacement sensor comprises a speed measuring block, a base and a connecting rod; the base is vertically and fixedly connected with a bottom plate of the characteristic testing device of the vacuum circuit breaker; the speed measuring block is fixedly connected with a pull rod connecting plate of the characteristic testing device; the connecting rod is connected between the speed measuring block and the base and stretches along with the up-and-down movement of the pull rod connecting plate; after the pull rod connecting plate moves upwards to exceed a first preset position, the vacuum circuit breaker is opened; and after the pull rod connecting plate moves downwards to exceed a second preset position, the vacuum circuit breaker is switched on.
As an example, as shown in fig. 4, the pull rod connecting plate is connected with one end of the vacuum circuit breaker, the pull rod connecting plate is used for controlling the opening and closing of the vacuum circuit breaker to move up and down, the displacement sensor comprises a speed measuring block, a base and a connecting rod, the base is vertically fixed on the bottom plate, the speed measuring block is fixed on the pull rod connecting plate, and the connecting rod is connected between the speed measuring block and the base and stretches along with the movement of the speed measuring block.
In one embodiment, the characteristic measurement module 306 is further configured to:
determining the closing time of the vacuum circuit breaker according to the closing starting time and the electrifying time; determining the closing speed of the vacuum circuit breaker according to the closing time and the closing displacement; and generating the switching-on characteristic information of the vacuum circuit breaker by using the switching-on time, the switching-on displacement and the switching-on speed.
In one embodiment, the characteristic measurement module 306 is further configured to:
controlling the opening of a vacuum circuit breaker, and acquiring the opening starting time of the vacuum circuit breaker and the breaking time when the vacuum circuit breaker is broken after the opening is finished; acquiring the brake-separating displacement measured by the displacement sensor; and generating the breaking characteristic information of the vacuum circuit breaker according to the breaking starting time, the breaking time and the breaking displacement.
In one embodiment, the characteristic measurement module 306 is further configured to:
determining the opening time of the vacuum circuit breaker according to the opening starting time and the power-off time; determining the opening speed of the vacuum circuit breaker according to the opening time and the opening displacement; and generating the breaking characteristic information of the vacuum circuit breaker by the breaking time, the breaking displacement and the breaking speed.
In one embodiment, the on/off switch module 302 is further configured to:
monitoring the on-off state of the vacuum circuit breaker to obtain state monitoring information; acquiring a target moment when the vacuum circuit breaker is changed from a power-off state to a power-on state according to state monitoring information; and saving the target time as the power-on time.
Each of the modules in the characteristic testing apparatus of the vacuum circuit breaker described above may be implemented in whole or in part by software, hardware, and a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
In one embodiment, as shown in fig. 5, a switching system is provided, the switching system comprising a vacuum circuit breaker 404 and a characteristic testing device 402 of the vacuum circuit breaker, the characteristic testing device 402 of the vacuum circuit breaker being configured to implement the steps of:
controlling a vacuum circuit breaker to be switched on, and acquiring the switching-on starting time of the vacuum circuit breaker and the switching-on time of the vacuum circuit breaker when the vacuum circuit breaker is switched on after switching-on is finished; acquiring a closing displacement measured by a displacement sensor, wherein a connecting rod of the displacement sensor stretches out and draws back along with closing of the vacuum circuit breaker, and the stretching quantity of the connecting rod is used for representing the closing displacement; and generating switching-on characteristic information of the vacuum circuit breaker according to the switching-on starting time, the power-on time and the switching-on displacement.
In one embodiment, the displacement sensor comprises a speed measuring block, a base and a connecting rod; the base is vertically and fixedly connected with a bottom plate of the characteristic testing device of the vacuum circuit breaker; the speed measuring block is fixedly connected with a pull rod connecting plate of the characteristic testing device; the connecting rod is connected between the speed measuring block and the base and stretches along with the up-and-down movement of the pull rod connecting plate; after the pull rod connecting plate moves upwards to exceed a first preset position, the vacuum circuit breaker is opened; and after the pull rod connecting plate moves downwards to exceed a second preset position, the vacuum circuit breaker is switched on.
In one embodiment, the characteristic testing device 402 of the vacuum circuit breaker is further configured to:
determining the closing time of the vacuum circuit breaker according to the closing starting time and the electrifying time; determining the closing speed of the vacuum circuit breaker according to the closing time and the closing displacement; and generating the switching-on characteristic information of the vacuum circuit breaker by using the switching-on time, the switching-on displacement and the switching-on speed.
In one embodiment, the characteristic testing device 402 of the vacuum circuit breaker is further configured to:
controlling the opening of a vacuum circuit breaker, and acquiring the opening starting time of the vacuum circuit breaker and the breaking time when the vacuum circuit breaker is broken after the opening is finished; acquiring the brake-separating displacement measured by the displacement sensor; and generating the breaking characteristic information of the vacuum circuit breaker according to the breaking starting time, the breaking time and the breaking displacement.
In one embodiment, the characteristic testing device 402 of the vacuum circuit breaker is further configured to:
determining the opening time of the vacuum circuit breaker according to the opening starting time and the power-off time; determining the opening speed of the vacuum circuit breaker according to the opening time and the opening displacement; and generating the breaking characteristic information of the vacuum circuit breaker by the breaking time, the breaking displacement and the breaking speed.
In one embodiment, the characteristic testing device 402 of the vacuum circuit breaker is further configured to:
monitoring the on-off state of the vacuum circuit breaker to obtain state monitoring information; acquiring a target moment when the vacuum circuit breaker is changed from a power-off state to a power-on state according to state monitoring information; and saving the target time as the power-on time.
In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:
controlling a vacuum circuit breaker to be switched on, and acquiring the switching-on starting time of the vacuum circuit breaker and the switching-on time of the vacuum circuit breaker when the vacuum circuit breaker is switched on after switching-on is finished; acquiring a closing displacement measured by a displacement sensor, wherein a connecting rod of the displacement sensor stretches out and draws back along with closing of the vacuum circuit breaker, and the stretching quantity of the connecting rod is used for representing the closing displacement; and generating switching-on characteristic information of the vacuum circuit breaker according to the switching-on starting time, the power-on time and the switching-on displacement.
In one embodiment, the displacement sensor comprises a speed measuring block, a base and a connecting rod; the base is vertically and fixedly connected with a bottom plate of the characteristic testing device of the vacuum circuit breaker; the speed measuring block is fixedly connected with a pull rod connecting plate of the characteristic testing device; the connecting rod is connected between the speed measuring block and the base and stretches along with the up-and-down movement of the pull rod connecting plate; after the pull rod connecting plate moves upwards to exceed a first preset position, the vacuum circuit breaker is opened; and after the pull rod connecting plate moves downwards to exceed a second preset position, the vacuum circuit breaker is switched on.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining the closing time of the vacuum circuit breaker according to the closing starting time and the electrifying time; determining the closing speed of the vacuum circuit breaker according to the closing time and the closing displacement; and generating the switching-on characteristic information of the vacuum circuit breaker by using the switching-on time, the switching-on displacement and the switching-on speed.
In one embodiment, the computer program when executed by the processor further performs the steps of:
controlling the opening of a vacuum circuit breaker, and acquiring the opening starting time of the vacuum circuit breaker and the breaking time when the vacuum circuit breaker is broken after the opening is finished; acquiring the brake-separating displacement measured by the displacement sensor; and generating the breaking characteristic information of the vacuum circuit breaker according to the breaking starting time, the breaking time and the breaking displacement.
In one embodiment, the computer program when executed by the processor further performs the steps of:
determining the opening time of the vacuum circuit breaker according to the opening starting time and the power-off time; determining the opening speed of the vacuum circuit breaker according to the opening time and the opening displacement; and generating the breaking characteristic information of the vacuum circuit breaker by the breaking time, the breaking displacement and the breaking speed.
In one embodiment, the computer program when executed by the processor further performs the steps of:
monitoring the on-off state of the vacuum circuit breaker to obtain state monitoring information; acquiring a target moment when the vacuum circuit breaker is changed from a power-off state to a power-on state according to state monitoring information; and saving the target time as the power-on time.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the various embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high density embedded nonvolatile Memory, resistive random access Memory (ReRAM), magnetic random access Memory (Magnetoresistive Random Access Memory, MRAM), ferroelectric Memory (Ferroelectric Random Access Memory, FRAM), phase change Memory (Phase Change Memory, PCM), graphene Memory, and the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like. The databases referred to in the various embodiments provided herein may include at least one of relational databases and non-relational databases. The non-relational database may include, but is not limited to, a blockchain-based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic units, quantum computing-based data processing logic units, etc., without being limited thereto.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application shall be subject to the appended claims.