CN116017895A - Data acquisition box applying explosion-proof scene - Google Patents

Abstract

The invention belongs to the technical field of data acquisition, and discloses a data acquisition box applying an explosion-proof scene, which comprises a data acquisition box body, wherein a through groove is formed in the position, close to the left side and the right side, of the top end of the data acquisition box body, an explosion-proof storage groove is formed in the bottom end of the through groove, and an explosion-proof wiring board is movably mounted in the explosion-proof storage groove. According to the invention, by utilizing the characteristic that the protective gas expands due to heating, namely, the expansion coefficient of the gas is far superior to that of solid and liquid, when the ambient temperature is remarkably increased, the volume is rapidly increased due to the fact that the temperature of the gas is increased, and further the automatic downward movement of the explosion-proof wiring board and the explosion-proof wiring terminal is realized, the explosion-proof wiring board and the explosion-proof wiring terminal enter the explosion-proof storage groove for protection, the external impact is prevented from damaging the wiring position of the explosion-proof wiring terminal, the whole process is physically changed, no additional power is needed for assistance, the stability is high, the interference of other factors is avoided, and the explosion-proof wiring board is suitable for being used in flammable and explosive occasions.

Description

Data acquisition box applying explosion-proof scene

Technical Field

The invention belongs to the technical field of data acquisition, and particularly relates to a data acquisition box applying an explosion-proof scene.

Background

The conventional data acquisition box mainly utilizes a circuit board in the data acquisition box and various built-in sensors to collect and analyze surrounding environment data or measurement data of various sensors, generally, the circuit board, a storage battery and a wiring terminal for connecting external equipment or sensors are arranged in the data acquisition box, and when the data acquisition box is used, the wiring terminal can be connected with the external equipment or the sensors to collect and analyze data acquired by the external equipment, so that the data acquisition box is checked by staff and is widely applied to various fields.

The conventional data acquisition box is required to measure the surrounding environment in real time, so the whole data acquisition box is generally directly placed in the environment to be measured, but when the data acquisition box is applied to flammable and explosive occasions, the conventional data acquisition box cannot adapt to the current environment, even if part of the data acquisition box is made of metal, when the using environment burns or explodes, the environment temperature can rise instantly, and meanwhile, larger impact force exists, even if the electricity receiving end of the part of the data acquisition box adopts an explosion-proof design, the high temperature and high pressure can lead to electric arcs to occur near the wiring terminal, breakdown discharge is generated, the risk of damaging the wiring terminal and the metal shell is caused, and the explosion-proof performance is poor.

When flammable and explosive occasion is used, when the scene of use takes place the phenomenon of deflagrating in the twinkling of an eye, can produce great impact force this moment, and conventional data acquisition box all is placed when leveling ground or desktop are used, when facing great impact, because the dead weight of acquisition box is lighter, very easily lead to the acquisition box to be strikeed the weight and fly, and then lead to the loss of acquisition box and the damage of internal circuit, can not only increase because the use cost that the acquisition box damaged leads to, can also cause bigger loss because the data loss that the acquisition box damaged leads to simultaneously, so the shock resistance who improves the acquisition box is crucial.

Disclosure of Invention

The invention aims to provide a data acquisition box applying an explosion-proof scene so as to solve the problems in the background technology.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an use data acquisition box of explosion-proof scene, includes the data acquisition box body, all seted up logical groove and seted up explosion-proof storage groove in the bottom of logical groove on the position that data acquisition box body top is close to the left and right sides, explosion-proof storage groove's inside movable mounting has explosion-proof wiring board, explosion-proof wiring board's top fixed mounting has explosion-proof terminal, the inside embedment of data acquisition box body has the circuit board, be connected between explosion-proof wiring board and the internal circuit board, the bottom fixedly connected with of explosion-proof wiring board is located the inside extension post of explosion-proof storage groove, the bottom of extension post runs through the bottom and fixed mounting of explosion-proof storage groove has the fly leaf, the bottom of fly leaf is equipped with the gas storage subassembly that is located the inside of data acquisition box body, the left and right sides of data acquisition box body all is equipped with the supporting component that is located explosion-proof wiring board left and right sides.

Before the device is used, the explosion-proof binding post is connected with external equipment to transmit measurement data, the device can be placed on a flat ground during measurement, and then surrounding environment data are measured, and operators are required to be far away from flammable and explosive places during measurement.

As a further technical scheme of the invention, air inlet grooves are formed in four corners of the outer side face of the data acquisition box body, rubber air bags are arranged in four corners of the outer side face of the data acquisition box body, the interiors of the rubber air bags are communicated with the interiors of the air inlet grooves, and the rubber air bags are made of anti-burst decompression fluororubber.

As a further technical scheme of the invention, the gas storage assembly comprises a fixed pipe, the bottom end of the fixed pipe is connected with the bottom end of the inner cavity of the data acquisition box body, a piston plate is movably sleeved in the fixed pipe, and a movable rod positioned in the fixed pipe is fixedly arranged at the top end of the piston plate.

As a further technical scheme of the invention, the top end of the movable rod penetrates through the top end of the fixed pipe and is connected with the middle part of the bottom end of the movable plate, the outer side surface of the movable rod is movably sleeved with a reset spring, and the upper end and the lower end of the reset spring are respectively connected with the top end of the inner cavity of the fixed pipe and the top end of the piston plate.

As a further technical scheme of the invention, the outer side surface of the fixed pipe is fixedly sleeved with the gas storage tank, the inside of the gas storage tank is filled with protective gas, two sides, close to the top end, of the outer side surface of the fixed pipe are provided with communication ports, and the fixed pipe is fixedly communicated with the gas storage tank through the communication ports.

As a further technical scheme of the invention, the outer side surface of the fixed pipe is fixedly communicated with the exhaust ports positioned below the piston plate in an equal angle manner, the number of the exhaust ports is the same as that of the rubber air bags, and the exhaust ports are communicated with the inside of the data acquisition box body.

When the temperature is extremely increased due to explosion in the environment, the temperature of the protective gas in the gas storage tank is increased along with the temperature and rapidly expands, the volume of the gas is increased, the gas in the gas storage tank is limited, the volume-increased gas enters the inside of the fixed pipe through the communication port, the piston plate is subjected to downward pressure, the piston plate is displaced downward, the movable rod is driven to move downward, the reset spring is compressed, the movable plate moves downward, and finally the extension column, the explosion-proof wiring board and the explosion-proof wiring board are driven to move downward until the explosion-proof wiring board and the explosion-proof wiring board are completely contracted inside the explosion-proof storage tank for explosion protection.

Through utilizing the characteristic that shielding gas is heated and expands, the expansion coefficient of gaseous is far superior to the expansion coefficient of solid and liquid promptly, rise and lead to gaseous temperature to rise and then the volume that leads to is rapidly increased when ambient temperature is showing, and then realize the automation of explosion-proof wiring board and explosion-proof terminal and move down, make its inside that gets into explosion-proof storage tank protect, prevent that outside impact from damaging the junction of explosion-proof terminal and prevent to appear breaking down and discharging, and whole process belongs to physical change, need not extra power and carries out the assistance, stability is higher, can not receive the interference of other factors, be fit for using in flammable and explosive occasion.

When deflagration occurs, the piston plate is downwards displaced due to the expansion of the protective gas, when the piston plate is displaced to the bottom end of the inner cavity of the fixed pipe, the expanded protective gas can be led out through the exhaust port around the fixed pipe and enter the data acquisition box body, firstly, the protective gas can be contacted with the circuit board inside the data acquisition box body and is protected from burning, along with the gradual increase of the volume of the gas, the gas enters the inside of the rubber air bag through the air inlet groove, the volume of the rubber air bag is expanded, the periphery of the data acquisition box body is protected, when the environment is stable and tends to decrease in stable temperature, the temperature of the gas is reduced, the volume of the gas is reduced, the reset spring automatically resets to drive the piston plate to move upwards, negative pressure is generated, the gas inside the rubber air bag and the data acquisition box body is returned to the inside of the fixed pipe through the exhaust port, after the device triggers multiple explosion protection, the protective gas is required to be filled into the inside the air storage tank to be supplemented, and the normal explosion-proof function is ensured

Through carrying out the reutilization to the physical change of gaseous thermal expansion, the inside of leading-in data acquisition box body of gas after the volume expansion, and the inside of rubber gasbag, realize carrying out the oxygen with the circuit board and keep away the burning, avoid the inside under the prerequisite of self explosion that causes because of the circuit overload of high temperature, can improve rubber gasbag's volume, and then cover the lateral surface of data acquisition box body, utilize soft material and the higher decompression fluororubber of explosion-proof performance to cushion the outside impact, and then reduce the impact that data acquisition box body received, reduce the possibility that data acquisition box body warp, improve the outside and inside whole explosion-proof ability of data acquisition box body.

As a further technical scheme of the invention, the middle part of the top end of the inner cavity of the data acquisition box body is movably provided with the installation shaft, the outer side surface of the installation shaft is fixedly sleeved with the impeller positioned in the data acquisition box body, and the installation shaft rotates relative to the data acquisition box body.

As a further technical scheme of the invention, the outer side surface of the mounting shaft is fixedly sleeved with a mounting rod positioned above the data acquisition box body, the bottom end of the mounting rod is fixedly provided with a cleaning brush, and the bottom end of the cleaning brush is contacted with the top end of the data acquisition box body.

The gas entering the data acquisition box body rises along with the small density, a certain flowing effect can be generated along with the expansion of the gas so as to push the impeller to rotate, the mounting shaft rotates along with the impeller and drives the mounting rod and the cleaning brush to circumferentially rotate, the cleaning brush can circumferentially move relative to the data acquisition box body, the surface of the data acquisition box body is removed by friction, and damage to the top end of the data acquisition box body caused by broken fragments of impact on the outside is avoided.

As a further technical scheme of the invention, the support component comprises an extension rod, the extension rod is connected with one side of the movable plate, the extension rod is displaced up and down relative to the data acquisition box body, one section of the extension rod, which is far away from the movable plate, penetrates through the top end of the data acquisition box body and is fixedly provided with a movable frame, and one end of the movable frame, which is far away from the extension rod, is fixedly connected with a clamping block.

As a further technical scheme of the invention, the support assembly further comprises an extension frame, the extension frame is connected with the left end and the right end of the data acquisition box body, one end of the extension frame, which is far away from the data acquisition box body, is fixedly connected with a clamping groove, the clamping block is movably clamped with the clamping groove, the bottom end of the clamping block is fixedly connected with a sucking disc, and when the movable frame is positioned at the highest point, the bottom end of the sucking disc is lower than the bottom end of the data acquisition box body.

Can drive the downward displacement of fly leaf when the inside shielding gas of gas holder takes place to expand, and then drive the downward movement of extension rod and then drive the downward displacement of movable frame, the fixture block can relative draw-in groove at this moment downward displacement to the sucking disc that drives the bottom through the direction of draw-in groove moves down, until the bottom of sucking disc is higher than the bottom of data acquisition box body and contacts with ground, until propping up the data acquisition box body, the whole device relies on the sucking disc to support with the inseparable contact on ground this moment, ensures the contact compactness between with ground.

Through recycling the physical law of gas thermal expansion, can drive the automatic decline of sucking disc when realizing the automatic decline of explosion-proof terminal, realize relying on the bottom of device to support in conventional state, and can rely on the close contact between two sucking discs and the ground to support under explosion-proof state for whole device is not only utilized self dead weight to prevent the impact when beating in the face of face, and the adsorption affinity between usable sucking disc and the ground handles the impact simultaneously, improves the holistic shock resistance of device, reduces the device because the shake that too big shock wave leads to flies the phenomenon, reduces the device damage and the possibility of data loss.

The beneficial effects of the invention are as follows:

1. according to the invention, by utilizing the characteristic that the protective gas expands due to heating, namely, the expansion coefficient of the gas is far superior to that of solid and liquid, when the ambient temperature is remarkably increased, the volume is rapidly increased due to the fact that the temperature of the gas is increased, and further the automatic downward movement of the explosion-proof wiring board and the explosion-proof wiring terminal is realized, the explosion-proof wiring board and the explosion-proof wiring terminal enter the explosion-proof storage groove for protection, the damage to the wiring of the explosion-proof wiring terminal caused by external impact is prevented, the breakdown discharge is prevented, the whole process is physical change, the auxiliary operation is not needed, the stability is high, the interference of other factors is avoided, and the explosion-proof wiring board is suitable for being used in flammable and explosive occasions.

2. According to the invention, through secondary utilization of physical changes of thermal expansion of gas, the gas with the volume expanded is led into the data acquisition box body and the rubber air bag, so that the volume of the rubber air bag can be increased on the premise of isolating the circuit board from oxygen and preventing combustion, the outer side surface of the data acquisition box body is further covered, the external impact is buffered by using the decompression fluororubber which is made of soft materials and has high explosion-proof performance, the impact on the data acquisition box body is further reduced, the deformation possibility of the data acquisition box body is reduced, and the integral explosion-proof capacity of the exterior and the interior of the data acquisition box body is improved.

3. According to the invention, through reutilizing the physical law of thermal expansion of gas, the automatic descending of the explosion-proof binding post is realized, the automatic descending of the sucker is driven, the supporting is realized by the bottom end of the device in a conventional state, and the supporting is realized by the close contact between the two suckers and the ground in an environment explosion state, so that the whole device is not only prevented from being impacted by self weight when being impacted, and meanwhile, the absorption force between the sucker and the ground can be utilized to cope with the impact, the integral impact resistance of the device is improved, the shock phenomenon caused by overlarge shock waves of the device is reduced, and the possibility of damage and data loss of the device is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the bottom end structure of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the internal structure of the present invention;

FIG. 5 is an exploded view of the rubber bladder and data acquisition cartridge body structure of the present invention;

FIG. 6 is a schematic illustration of the fit of the mounting shaft and mounting bar arrangement of the present invention;

FIG. 7 is an isolated schematic view of the support assembly structure of the present invention;

FIG. 8 is a schematic cross-sectional view showing the internal structure of the gas storage assembly of the present invention.

In the figure: 1. a data acquisition box body; 2. an air inlet groove; 3. a rubber air bag; 4. an explosion-proof storage groove; 5. an explosion-proof wiring board; 6. explosion-proof binding post; 7. extending the column; 8. a movable plate; 9. a mounting shaft; 10. an impeller; 11. a mounting rod; 12. a cleaning brush; 13. a gas storage assembly; 131. a gas storage tank; 132. a fixed tube; 133. a communication port; 134. a movable rod; 135. a piston plate; 136. a return spring; 137. an exhaust port; 14. a support assembly; 141. an extension rod; 142. a movable frame; 143. a clamping block; 144. an extension rack; 145. a clamping groove; 146. and a sucking disc.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1 to 8, in the embodiment of the invention, a data collection box using an explosion-proof scene comprises a data collection box body 1, through slots are formed in positions, close to the left side and the right side, of the top end of the data collection box body 1, explosion-proof storage slots 4 are formed in the bottom ends of the through slots, explosion-proof wiring boards 5 are movably mounted in the explosion-proof storage slots 4, explosion-proof wiring terminals 6 are fixedly mounted at the top ends of the explosion-proof wiring boards 5, circuit boards are arranged in the data collection box body 1, the explosion-proof wiring boards 5 are connected with the internal circuit boards, extension columns 7 located in the explosion-proof storage slots 4 are fixedly connected to the bottom ends of the explosion-proof wiring boards 5, movable plates 8 are fixedly mounted through the bottom ends of the explosion-proof storage slots 4, gas storage components 13 located in the data collection box body 1 are arranged at the bottom ends of the movable plates 8, and support components 14 located on the left side and the right side of the explosion-proof wiring boards 5 are arranged on the left side and the right side of the data collection box body 1.

Before the device is used, the device can be connected with external equipment through the explosion-proofbinding post 6 for transmitting measurement data, and the device can be placed on a flat ground during measurement, so that the surrounding environment data can be measured, and an operator can be far away from flammable and explosive places during measurement.

As shown in fig. 3 and 4 and fig. 5 and 8, air inlet grooves 2 are formed at four corners of the outer side surface of the data acquisition box body 1, rubber air bags 3 are arranged at four corners of the outer side surface of the data acquisition box body 1, the interiors of the rubber air bags 3 are communicated with the interiors of the air inlet grooves 2, the rubber air bags 3 are made of anti-burst decompression fluororubber, the air storage component 13 comprises a fixed pipe 132, the bottom end of the fixed pipe 132 is connected with the bottom end of the inner cavity of the data acquisition box body 1, a piston plate 135 is movably sleeved in the fixed pipe 132, a movable rod 134 positioned in the fixed pipe 132 is fixedly arranged at the top end of the piston plate 135, the top end of the movable rod 134 penetrates through the top end of the fixed pipe 132 and is connected with the middle part of the bottom end of the movable plate 8, a reset spring 136 is movably sleeved on the outer side surface of the movable rod 134, the upper and lower both ends of reset spring 136 are connected with the top of fixed pipe 132 inner chamber and the top of piston plate 135 respectively, fixed cover of lateral surface of fixed pipe 132 has cup jointed gas holder 131, the inside of gas holder 131 is filled with shielding gas, communication port 133 has all been seted up to the both sides that the lateral surface of fixed pipe 132 is close to the top, fixed pipe 132 is through fixed intercommunication between communication port 133 and the gas holder 131, fixed intercommunication of lateral surface equiangle of fixed pipe 132 has the gas vent 137 that is located piston plate 135 below, the quantity of gas vent 137 is the same with the quantity of rubber gasbag 3, gas vent 137 is linked together with the inside of data acquisition box body 1, the inside shielding gas that fills of gas holder 131 can be nitrogen gas also can be helium.

First embodiment:

when the temperature is extremely increased due to the explosion of the environment, the temperature of the protective gas in the gas storage tank 131 is increased along with the temperature and rapidly expands, the volume of the gas is increased, the gas with the increased volume enters the inside of the fixedpipe 132 through thecommunication port 133 due to the limited internal volume of the gas storage tank 131, thepiston plate 135 is subjected to downward pressure, thepiston plate 135 is displaced downward, themovable rod 134 is driven to move downward, thereset spring 136 is compressed, themovable plate 8 moves downward, and finally theextension column 7, the explosion-proof wiring board 5 and the explosion-proof wiring board 6 are driven to move downward until the explosion-proof wiring board 6 and the explosion-proof wiring board 5 are completely contracted inside the explosion-proof storage groove 4 for explosion protection.

Through utilizing the characteristic that shielding gas is heated and expands, the expansion coefficient of gaseous is far superior to the expansion coefficient of solid and liquid promptly, rise when ambient temperature is showing and is leading to gaseous temperature to rise and then the volume that leads to increases rapidly, and then realize the automation of explosion-proof wiring board 5 and explosion-proof terminal 6 and move down, make its inside that gets into explosion-proof storage tank 4 protect, prevent outside impact to destroy the junction of explosion-proof terminal 6 and prevent to appear the breakdown discharge, and whole process belongs to physical change, need not extra power and assists, stability is higher, can not receive the interference of other factors, be fit for using in flammable and explosive occasion.

Second embodiment:

when deflagration occurs, thepiston plate 135 is downwards displaced due to the expansion of the protective gas, when thepiston plate 135 is displaced to the bottom end of the inner cavity of the fixedpipe 132, the expanded protective gas can be led out through theexhaust port 137 around the fixedpipe 132 and enter the dataacquisition box body 1, firstly, the protective gas can be contacted with the circuit board inside the dataacquisition box body 1, oxygen is protected and isolated from combustion, along with the gradual increase of the volume of the gas, the gas enters the inside of therubber air bag 3 through theair inlet groove 2, the volume of therubber air bag 3 is expanded, the periphery of the dataacquisition box body 1 is protected, when the environment is stable and tends to be stable, the temperature is reduced, the volume of the gas is reduced along with the reduction, thereturn spring 136 automatically resets to drive theplate 135 to upwards move to generate negative pressure, and the gas inside therubber air bag 3 and the dataacquisition box body 1 is returned to the inside of the fixedpipe 132 through theexhaust port 137.

Through carrying out the reutilization to the physical change of gaseous thermal expansion, the inside of leading-in dataacquisition box body 1 of gas after the volume expansion, and the inside ofrubber gasbag 3, realize carrying out the oxygen with the circuit board and keep away the burning, avoid the device inside because of under the circuit overload induced self explosive prerequisite that leads to of temperature too high under, can improve the volume ofrubber gasbag 3, and then cover the lateral surface of dataacquisition box body 1, utilize soft material and the higher decompression fluororubber of explosion-proof performance to cushion the outside impact, and then reduce the impact that dataacquisition box body 1 received, reduce the possibility that dataacquisition box body 1 warp, improve the outside of dataacquisition box body 1 and inside whole explosion-proof ability.

As shown in fig. 1, fig. 4 and fig. 6, a mounting shaft 9 is movably mounted in the middle of the top end of the inner cavity of the dataacquisition box body 1, animpeller 10 positioned inside the dataacquisition box body 1 is fixedly sleeved on the outer side surface of the mounting shaft 9, the mounting shaft 9 rotates relative to the dataacquisition box body 1, a mountingrod 11 positioned above the dataacquisition box body 1 is fixedly sleeved on the outer side surface of the mounting shaft 9, a cleaningbrush 12 is fixedly mounted at the bottom end of the mountingrod 11, and the bottom end of the cleaningbrush 12 contacts with the top end of the dataacquisition box body 1.

The gas entering the dataacquisition box body 1 rises along with the small density, a certain flowing effect can be generated along with the expansion of the gas so as to push theimpeller 10 to rotate, the mounting shaft 9 rotates along with the impeller and drives the mountingrod 11 and the cleaningbrush 12 to rotate circumferentially, the cleaningbrush 12 can move circumferentially relative to the dataacquisition box body 1, the surface of the dataacquisition box body 1 is subjected to barrier removal by friction, and damage to the top end of the dataacquisition box body 1 caused by broken fragments of impact on the outside is avoided.

As shown in fig. 1, fig. 4 and fig. 7, the supportingcomponent 14 includes anextension rod 141, theextension rod 141 is connected with one side of themovable plate 8, theextension rod 141 is displaced up and down relative to the dataacquisition box body 1, a section of theextension rod 141 away from themovable plate 8 penetrates through the top end of the dataacquisition box body 1 and is fixedly provided with amovable frame 142, one end of themovable frame 142 away from theextension rod 141 is fixedly connected with aclamping block 143, the supportingcomponent 14 further includes anextension frame 144, theextension frame 144 is connected with the left end and the right end of the dataacquisition box body 1, one end of theextension frame 144 away from the dataacquisition box body 1 is fixedly connected with a clampinggroove 145, a movable clamping joint is arranged between the clampingblock 143 and the clampinggroove 145, the bottom end of theclamping block 143 is fixedly connected with a suckingdisc 146, and when themovable frame 142 is located at the highest point, the bottom end of the suckingdisc 146 is lower than the bottom end of the dataacquisition box body 1.

Third embodiment:

when the protective gas inside the gas storage tank 131 expands, themovable plate 8 can be driven to move downwards, theextension rod 141 is driven to move downwards, themovable frame 142 is driven to move downwards, theclamping block 143 can move downwards relative to the clampinggroove 145, thesucker 146 at the bottom is driven to move downwards through the guiding of the clampinggroove 145 until the bottom of thesucker 146 is higher than the bottom of the dataacquisition box body 1 and is in contact with the ground, the dataacquisition box body 1 is supported until the dataacquisition box body 1 is supported, and at the moment, the whole device is supported by the tight contact between thesucker 146 and the ground, so that the contact tightness between the whole device and the ground is ensured.

Through recycling the physical law of gas thermal expansion, can drive the automatic decline of suckingdisc 146 when realizing explosion-proof terminal 6 automatic decline, realize relying on the bottom of device to support in conventional state, and can rely on the close contact between two suckingdiscs 146 and the ground to support under the environment explosion-proof state, make whole device not only utilize self dead weight to prevent the impact when facing the impact, available suckingdisc 146 and the absorbing force between the ground reply impact simultaneously, improve the holistic shock resistance of device, reduce the device because the shake of too big shock wave leads to flies the phenomenon, reduce the possibility that the device damaged and data lost.

Working principle and using flow:

when the temperature is extremely increased due to the explosion of the environment, the temperature of the protective gas in the gas storage tank 131 is increased along with the temperature and rapidly expands, the volume of the gas is increased, the gas with the increased volume enters the inside of the fixedpipe 132 through thecommunication port 133 due to the limited internal volume of the gas storage tank 131, thepiston plate 135 is subjected to downward pressure, thepiston plate 135 is displaced downward, themovable rod 134 is driven to move downward, thereset spring 136 is compressed, themovable plate 8 moves downward, and finally theextension column 7, the explosion-proof wiring board 5 and the explosion-proof wiring board 6 are driven to move downward until the explosion-proof wiring board 6 and the explosion-proof wiring board 5 are completely contracted inside the explosion-proof storage groove 4 for explosion protection;

when deflagration occurs, thepiston plate 135 is downwards displaced due to the expansion of the protective gas, when thepiston plate 135 is displaced to the bottom end of the inner cavity of the fixedpipe 132, the expanded protective gas can be led out through theexhaust port 137 around the fixedpipe 132 and enter the dataacquisition box body 1, firstly, the protective gas can be contacted with the circuit board inside the dataacquisition box body 1 and is protected and isolated from oxygen to prevent combustion, along with the gradual increase of the volume of the gas, the gas enters the inside of therubber air bag 3 through theair inlet groove 2, so that the volume of therubber air bag 3 is expanded, the periphery of the dataacquisition box body 1 is protected, when the environment is stable and tends to be stable, the temperature of the gas is reduced, the volume of the gas is reduced along with the reduction, thereturn spring 136 automatically resets to drive theplate 135 to upwards move to generate negative pressure, and the gas inside therubber air bag 3 and the dataacquisition box body 1 is returned to the inside of the fixedpipe 132 through theexhaust port 137;

the gas entering the dataacquisition box body 1 rises along with the smaller density, a certain flowing effect can be generated along with the expansion of the gas so as to push theimpeller 10 to rotate, at the moment, the mounting shaft 9 rotates along with the gas and drives the mountingrod 11 and the cleaningbrush 12 to rotate circumferentially, at the moment, the cleaningbrush 12 can move circumferentially relative to the dataacquisition box body 1, the surface of the dataacquisition box body 1 is removed by friction, and damage to the top end of the dataacquisition box body 1 caused by broken fragments of impact on the outside is avoided;

when the protective gas inside the gas storage tank 131 expands, themovable plate 8 can be driven to move downwards, theextension rod 141 is driven to move downwards, themovable frame 142 is driven to move downwards, theclamping block 143 can move downwards relative to the clampinggroove 145, thesucker 146 at the bottom is driven to move downwards through the guiding of the clampinggroove 145 until the bottom of thesucker 146 is higher than the bottom of the dataacquisition box body 1 and is in contact with the ground, the dataacquisition box body 1 is supported until the dataacquisition box body 1 is supported, and at the moment, the whole device is supported by the tight contact between thesucker 146 and the ground, so that the contact tightness between the whole device and the ground is ensured.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides an use data acquisition box in explosion-proof scene, includes data acquisition box body (1), its characterized in that: the explosion-proof storage tank (4) is all offered on the position that data acquisition box body (1) top is close to the left and right sides and has been seted up in the bottom of logical groove, the inside movable mounting of explosion-proof storage tank (4) has explosion-proof wiring board (5), the top fixed mounting of explosion-proof wiring board (5) has explosion-proof terminal (6), the inside embedment of data acquisition box body (1) has the circuit board, be connected between explosion-proof wiring board (5) and the internal circuit board, the bottom fixedly connected with of explosion-proof wiring board (5) is located explosion-proof extension post (7) inside of storage tank (4), the bottom of extension post (7) runs through the bottom of explosion-proof storage tank (4) and fixed mounting has fly leaf (8), the bottom of fly leaf (8) is equipped with gas storage subassembly (13) that are located inside data acquisition box body (1), the left and right sides of data acquisition box body (1) all is equipped with support subassembly (14) that are located explosion-proof wiring board (5) left and right sides.

2. A data acquisition box employing explosion proof scenarios according to claim 1, characterized in that: air inlet grooves (2) are formed in four corners of the outer side face of the data acquisition box body (1), rubber air bags (3) are arranged in four corners of the outer side face of the data acquisition box body (1), the inner parts of the rubber air bags (3) are communicated with the inner parts of the air inlet grooves (2), and the rubber air bags (3) are made of anti-explosion and decompression fluororubber.

3. A data acquisition box employing explosion proof scenarios according to claim 1, characterized in that: the gas storage assembly (13) comprises a fixed pipe (132), the bottom end of the fixed pipe (132) is connected with the bottom end of the inner cavity of the data acquisition box body (1), a piston plate (135) is movably sleeved in the fixed pipe (132), and a movable rod (134) positioned in the fixed pipe (132) is fixedly installed at the top end of the piston plate (135).

4. A data acquisition box employing explosion proof scenarios according to claim 3, characterized in that: the top of movable rod (134) runs through the top of fixed pipe (132) and is connected with the middle part of fly leaf (8) bottom, reset spring (136) has been cup jointed in the lateral surface activity of movable rod (134), the upper and lower both ends of reset spring (136) are connected with the top of fixed pipe (132) inner chamber and the top of piston board (135) respectively.

5. A data acquisition box employing explosion proof scenarios according to claim 3, characterized in that: the gas storage tank (131) has been cup jointed to the lateral surface of fixed pipe (132), the inside of gas storage tank (131) is filled with shielding gas, communication port (133) have all been seted up to the both sides that the lateral surface of fixed pipe (132) is close to the top, fixed intercommunication between fixed pipe (132) and gas storage tank (131) through communication port (133).

6. A data acquisition box employing explosion proof scenarios according to claim 3, characterized in that: the outer side surface of the fixed pipe (132) is fixedly communicated with exhaust ports (137) positioned below the piston plate (135) in an equal angle mode, the number of the exhaust ports (137) is the same as that of the rubber air bags (3), and the exhaust ports (137) are communicated with the inside of the data acquisition box body (1).

7. A data acquisition box employing explosion proof scenarios according to claim 1, characterized in that: the data acquisition box comprises a data acquisition box body (1), wherein an installation shaft (9) is movably installed in the middle of the top end of the inner cavity of the data acquisition box body (1), an impeller (10) positioned inside the data acquisition box body (1) is fixedly sleeved on the outer side face of the installation shaft (9), and the installation shaft (9) rotates relative to the data acquisition box body (1).

8. The data acquisition box using explosion-proof scenes according to claim 7, wherein: the utility model discloses a data acquisition box, including installation axle (9), data acquisition box body (1), installation pole (11) that are located data acquisition box body (1) top have been cup jointed to the lateral surface of installation axle (9), the bottom fixed mounting of installation pole (11) has cleaning brush (12), the bottom of cleaning brush (12) contacts with the top of data acquisition box body (1).

9. A data acquisition box employing explosion proof scenarios according to claim 1, characterized in that: the support assembly (14) comprises an extension rod (141), the extension rod (141) is connected with one side of the movable plate (8), the extension rod (141) is displaced up and down relative to the data acquisition box body (1), one section of the extension rod (141) away from the movable plate (8) penetrates through the top end of the data acquisition box body (1) and is fixedly provided with a movable frame (142), and one end of the movable frame (142) away from the extension rod (141) is fixedly connected with a clamping block (143).

10. The data acquisition box using explosion-proof scenes according to claim 9, wherein: the support assembly (14) further comprises an extension frame (144), the extension frame (144) is connected with the left end and the right end of the data acquisition box body (1), one end fixedly connected with draw-in groove (145) of the data acquisition box body (1) is kept away from to the extension frame (144), movable joint between the clamping block (143) and the draw-in groove (145), sucking disc (146) is fixedly connected with the bottom end of the clamping block (143), and when the movable frame (142) is located at the highest point, the bottom end of the sucking disc (146) is lower than the bottom end of the data acquisition box body (1).

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