Fire wireless alarm deviceTechnical Field
The invention relates to the technical field of alarm, in particular to a fire wireless alarm device.
Background
The fire wireless alarm device can monitor smoke fire related parameters in the environment in real time, immediately trigger alarm once abnormal conditions are detected, and early find out that the device can send out early warning signals at the early stage of fire, so that people can take countermeasures in enough time to destroy the fire in a sprouting state.
The patent of Chinese patent publication No. CN208766802U discloses a wireless fire alarm device in fire engineering, which is searched in the prior published technical literature, and the fire alarm technology is characterized in that the same indicator lamp is inserted in a first fixing ring and a second fixing ring. The device can detect the smog concentration of mounted position in real time, and when the conflagration breaks out, will in time report to the police, and sensitivity is higher, and the timely rescue of being convenient for has improved the practicality of device. The fire wireless alarm device has the following problems when in use.
When the wireless alarming device for fire disaster is used, sensing alarming is needed to be achieved through smoke, the smoke sensing component is needed to be installed at a high place, the smoke sensing component is difficult to perform self-checking and checking regularly, even if the smoke sensing component is damaged, the smoke sensing component is difficult to know, the damaged smoke sensing component is difficult to repair and replace in time, the fire disaster occurs, the smoke sensor is damaged, then the automatic alarming is difficult to achieve, the automatic safety detection and checking are difficult to achieve by the alarming device, the use safety of the alarming device is poor, and the wireless alarming device for fire disaster is provided.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a fire wireless alarm device.
The fire wireless alarm device comprises a shell, a support frame and a screw rod, wherein the support frame is fixed on one side of the outer wall of the shell, the screw rod is rotatably connected inside the support frame, a displacement self-checking mechanism is arranged on one side of the inner wall of the support frame, the displacement self-checking mechanism comprises a driving motor fixedly arranged on one side of the inner wall of the support frame, the driving motor is used for driving the screw rod to rotate, and a threaded sleeve block is connected to the outer wall of the screw rod in a threaded manner.
The device comprises a threaded sleeve block, a conveying pressurizing mechanism, a shell, a distributing and discharging mechanism, a transmission gear ring, a transmission motor, a transmission gear ring, a conveying pressurizing mechanism, a shell and a shell, wherein one side of the threaded sleeve block is fixedly provided with the sleeve block, the inner wall of the sleeve block is rotatably connected with a rotary spray pipe, the rotary spray pipe is rotatably connected with the inside of the threaded sleeve block, the gear ring is fixedly connected to the outer wall of the rotary spray pipe and is positioned at one side of the threaded sleeve block, the transmission gear ring is meshed and connected above the outer wall of the gear ring, the transmission motor is embedded and installed in the transmission gear ring, the outer wall of the output end of the transmission motor is fixedly connected with the transmission gear ring, the bottom end of the outer wall of the rotary spray pipe is provided with the conveying pressurizing mechanism, and the other side of the outer wall of the shell is embedded and provided with the distributing and discharging mechanism.
Preferably, sliding connection between the outer wall of screw thread cover piece and the frame inner wall, just the outer wall of the inner wall of frame and screw thread cover piece all is established to smooth surface, the outer wall one side embedding fixedly connected with side of commentaries on classics spray the moment pipe, just be linked together between commentaries on classics spray the pipe and the side spray the moment pipe, a plurality of smoke inlet holes have been seted up to the outer wall of casing and be close to its bottom, at one of them one side of smoke inlet hole is equipped with the distance sensor with casing fixed connection, a tip fixed mounting of commentaries on classics spray pipe has angle sensor's outer wall one side fixedly connected with arc extension board, the back shaft is installed to one side of arc extension board, just fixedly connected between arc extension board and the screw thread cover piece all and the back shaft, fixedly connected between arc extension board and the driving motor.
Preferably, a filter pore plate is fixedly connected to the bottom end of the inner wall of the shell, a plurality of photoresistors are fixedly mounted on the top end of the filter pore plate, a light emitting diode is arranged above each photoresistor, a circuit substrate is mounted on the top end of each light emitting diode, a plurality of light emitting diodes are fixedly connected with the circuit substrate, a standby battery is fixedly connected to the bottom end of the circuit substrate and located at one side of the light emitting diode, a wireless controller is fixedly mounted on one side of the standby battery, a mounting plate is fixedly connected to the top end of the shell, a buzzer is fixedly connected to one side of the outer wall of the shell and located at the bottom end of the mounting plate, and the buzzer is used for fire alarm.
When the self-checking time set by the wireless controller is reached, the driving motor is started through the wireless controller, and the screw rod carries the threaded sleeve block to realize right movement under the action of the thread transmission force. The screw sleeve block carries the supporting shaft to enable the arc-shaped supporting plate to move right, the angle sensor carries the rotary spray pipe to move right, and the rotary spray pipe carries the side spray rectangular pipe to be inserted into the smoke inlet. The wireless controller starts the drive motor, and the transmission toothed ring forward rotation, the toothed ring carries and changes the spray tube rotation, and the spray tube carries the side and spouts the moment pipe anticlockwise upwards rotation, and after the anticlockwise rotation one hundred eighty degrees of spray tube, rethread drive motor drive transmission toothed ring reversal, and the spray tube clockwise rotation one hundred eighty degrees, the spray tube carries the side and spouts the moment pipe and can realize reciprocating rotation at appointed angle.
The conveying pressurizing mechanism comprises a hose fixedly arranged at the bottom end of the outer wall of the rotary spray pipe, an electric valve is in threaded connection with the top end of the hose, a checking smoke tank is fixedly connected with the top end of the electric valve and used for storing checking smoke, a pressurizing pipe is in welded connection with one end of the checking smoke tank, an air pump is fixedly arranged at one end of the pressurizing pipe, an electric valve is in threaded connection with the input end of the air pump, the hose is communicated with the rotary spray pipe, and the checking smoke tank is made of stainless steel.
When the fire alarm is used, the air pump is started through the wireless controller, the electric valve is opened, the air pump is filled into the pressurizing pipe, the pressurizing pipe is conveyed to the inside of the checking smoke tank, and the checking smoke stored in the checking smoke tank enters the inside of the electric valve. The check smoke enters the hose along the electric valve, the rotary spray pipe is poured into the side spray rectangular pipe, and the side spray rectangular pipe realizes reciprocating rotary spray check smoke below the filter pore plate, so that the check smoke can enter between the photoresistor and the light-emitting diode along the filter pore plate under the action of pressure for automatic detection check.
The distribution drainage mechanism comprises a suction pipe embedded and installed on the other side of the outer wall of the shell, a negative pressure pump is fixedly installed at one end portion of the suction pipe, a communicating pipe is in threaded communication with the output end of the negative pressure pump, an outer drainage side pipe is welded at the top end of the communicating pipe, a circular pipe is fixedly communicated with the other end portion of the suction pipe, a plurality of distribution suction pipes are fixedly connected to the inner wall of the circular pipe, the distribution suction pipes are distributed and arranged in an equidistant mode in a circular ring, and the distribution suction pipes are communicated with the circular pipe.
When the fire alarm is used, after self-checking and checking are finished, the electric valve is closed to stop driving of the air pump, the negative pressure pump enables the plurality of shunt suction pipes to generate negative pressure suction, checking smoke enters into the annular pipe along the plurality of shunt suction pipes, the checking smoke is conveyed into the communicating pipe through the suction pipe, the lateral discharge pipe can realize lateral discharge and pressurization discharge of the checking smoke, distributed discharge operation is realized, new air enters into the smoke inlet hole, and normal fire alarm use inside the shell is quickly restored.
The invention has the technical effects and advantages that:
1. When the self-checking time set by the wireless controller is reached, the driving motor is started by the wireless controller, the rotary spray pipe carries the side spray moment pipe to be inserted into the smoke inlet hole, the driving motor drives the driving toothed ring to rotate positively, the rotary spray pipe rotates anticlockwise for one hundred eighty degrees, then the driving motor drives the driving toothed ring to rotate reversely, the driving toothed ring carries the toothed ring to enable the rotary spray pipe to rotate clockwise, the rotary spray pipe carries the side spray moment pipe to realize reciprocating rotation at a specified angle, the side spray moment pipe can fill check smoke into the shell, whether problems exist in a photoresistor and a light-emitting diode smoke sensing component in the shell are automatically checked, the presence of the problems is timely notified to maintenance personnel, the alarm device can realize automatic safety detection check, the damage of the alarm device cannot be known, and the use safety of the alarm device is greatly improved once the alarm device is damaged and maintained timely.
2. According to the invention, the air pump is started by the aid of the conveying pressurizing mechanism and the wireless controller, the electric valve is opened, the air pump is filled into the pressurizing pipe, the pressurizing pipe is used for conveying the calibrated smoke into the calibrated smoke tank, the calibrated smoke enters the hose along the electric valve, the hose is used for conveying the calibrated smoke into the rotary spraying pipe, the side spraying rectangular pipe is used for realizing reciprocating rotary spraying of the calibrated smoke below the filtering orifice plate, pressurizing and conveying of the calibrated smoke to the filtering orifice plate can be realized, automatic safety detection calibration is fast carried out along the position of the filtering orifice plate, and the use safety of the alarm device is improved.
3. According to the invention, after self-checking and calibrating are finished, the electric valve is closed to stop the air pump driving, the negative pressure pump is started, the plurality of shunt suction pipes can suck the calibration smoke in the shell, the calibration smoke is collected by the annular pipes and then is conveyed into the suction pipe, the suction pipe is conveyed into the communicating pipe, new air enters the smoke inlet hole, the normal fire alarm use in the shell is quickly restored, the automatic safety checking and calibrating is quicker, and the use safety of the alarm device is improved.
According to the mutual influence of the functions, firstly, the rotary spray pipe carrying side spray moment pipe can realize reciprocating rotation at a specified angle, secondly, the calibration smoke is pressurized and conveyed to the position of the filtering pore plate, and finally, after self-calibration is finished, the calibration smoke is conveyed into the communicating pipe through the suction pipe to realize quick discharge, and new air enters the smoke inlet. In conclusion, the alarm device can realize automatic safety detection and correction, so that the damage of the alarm device is avoided, the alarm device cannot be known, and the use safety of the alarm device is greatly improved once the alarm device is damaged and maintained in time.
Drawings
Fig. 1 is a schematic view showing a bottom view of a fire wireless alarm device according to the present invention.
Fig. 2 is a schematic view of a truncated partial structure of a junction between a frame and a driving motor according to the present invention.
Fig. 3 is an enlarged schematic view of the structure of fig. 2a according to the present invention.
Fig. 4 is a schematic top view of a partial structure of the joint between the arc-shaped support plate and the support shaft according to the present invention.
Fig. 5 is a schematic view of a vertical sectional structure of the fire wireless alarm device of the present invention.
FIG. 6 is a schematic view of a cut-away, partial structure of a vertical section of the connection of a mounting plate and a housing of the present invention.
Fig. 7 is a schematic view showing a bottom view of a part of the connection between a housing and a support frame according to the present invention.
Fig. 8 is a schematic view of a partial structure of a junction between a booster pipe and a wind pump according to the present invention.
FIG. 9 is a schematic view of a broken-away partial structure of a vertical section of the junction of a grommet and a suction tube according to the present invention.
The device comprises a shell, 2, a supporting frame, 3, a screw rod, 4, a driving motor, 5, a threaded sleeve block, 6, a sleeve block, 7, a rotary spray pipe, 8, a toothed ring, 9, a transmission toothed ring, 10, a transmission motor, 11, a side spray rectangular pipe, 12, a smoke inlet hole, 13, a distance sensor, 14, an angle sensor, 15, an arc-shaped support plate, 16, a support shaft, 17, a filter pore plate, 18, a photoresistor, 19, a light emitting diode, 20, a circuit substrate, 21, a standby battery, 22, a wireless controller, 23, a mounting plate, 24, a buzzer, 25, a hose, 26, an electric valve, 27, a proof smoke tank, 28, a pressurizing pipe, 29, a wind pump, 30, an electric valve, 31, a suction pipe, 32, a negative pressure pump, 33, a communicating pipe, 34, an outer side discharge pipe, 35, a loop pipe, 36 and a shunt.
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.
In this embodiment, as shown in fig. 1-9, a fire wireless alarm device is provided with a deflection self-checking and calibrating mechanism, a conveying pressurizing mechanism and a distribution drainage mechanism, and the alarm device can realize automatic safety checking and calibrating by arranging the mechanisms and the components, so that the alarm device is prevented from being damaged and cannot be known, the use safety of the alarm device is greatly improved once the alarm device is damaged and maintained in time, and the specific structures of the mechanisms and the components are as follows.
In the embodiment, as shown in figures 1-4, a support frame 2 is fixed on one side of the outer wall of a shell 1, a screw 3 is rotatably connected inside the support frame 2, a displacement self-checking mechanism is arranged on one side of the inner wall of the support frame 2, the displacement self-checking mechanism comprises a driving motor 4 fixedly arranged on one side of the inner wall of the support frame 2, the driving motor 4 is used for driving the screw 3 to rotate, a threaded sleeve block 5 is in threaded connection with the outer wall of the screw 3, a sleeve block 6 is fixedly arranged on one side of the threaded sleeve block 5, and a rotary spray pipe 7 is rotatably connected with the inner wall of the sleeve block 6.
The rotary spray pipe 7 is rotationally connected with the inside of the thread bushing block 5, the toothed ring 8 is fixedly connected to the outer wall of the rotary spray pipe 7 and is positioned at one side of the thread bushing block 5, the transmission toothed ring 9 is connected above the outer wall of the toothed ring 8 in a meshed transmission manner, the transmission motor 10 is embedded and installed in the transmission toothed ring 9, the outer wall of the output end of the transmission motor 10 is fixedly connected with the transmission toothed ring 9, the bottom end of the outer wall of the rotary spray pipe 7 is provided with the conveying and pressurizing mechanism, and the other side of the outer wall of the shell 1 is embedded and installed with the distribution drainage mechanism. The outer wall of the thread bush block 5 is in sliding connection with the inner wall of the support frame 2, and the inner wall of the support frame 2 and the outer wall of the thread bush block 5 are both provided with smooth surfaces.
In this embodiment, as shown in fig. 1-7, a side injection moment tube 11 is fixedly embedded in one side of the outer wall of the rotary spray tube 7, and the rotary spray tube 7 is communicated with the side injection moment tube 11, so that the rotary spray tube 7 carries the side injection moment tube 11 to be inserted into a smoke inlet hole 12, and the side injection moment tube 11 realizes reciprocating rotary injection under a filter pore plate 17 to correct smoke. The outer wall of casing 1 just is close to its bottom and has offered a plurality of smoke inlets 12, is equipped with the distance sensor 13 with casing 1 fixed connection in one side of one of them smoke inlet 12 to inside the smoke inlet 12 on the casing 1 can be entered into to smog, and distance sensor 13 can realize distance sensing to the right-hand member portion position of changeing spray tube 7, ensures that changeing spray tube 7 can remove appointed distance position.
In this embodiment, as shown in fig. 3-6, an angle sensor 14 is fixedly installed at one end of the rotary spray pipe 7, an arc support plate 15 is fixedly connected to one side of the outer wall of the angle sensor 14, a support shaft 16 is installed on one side of the arc support plate 15, the arc support plate 15 and the threaded sleeve block 5 are fixedly connected with the support shaft 16, the arc support plate 15 is fixedly connected with the transmission motor 10, so that the support shaft 16 supports the arc support plate 15, the arc support plate 15 supports the transmission motor 10 and supports the angle sensor 14, the rotary spray pipe 7 realizes angle sensing on the angle sensor 14, and the rotary spray pipe 7 can rotate reciprocally according to a specified angle.
The inner wall bottom end of the shell 1 is fixedly connected with a filtering pore plate 17, a plurality of photoresistors 18 are fixedly arranged at the top end of the filtering pore plate 17, a light emitting diode 19 is arranged above each photoresistor 18, a circuit substrate 20 is arranged at the top end of each light emitting diode 19, a plurality of light emitting diodes 19 are fixedly connected with the circuit substrate 20, a standby battery 21 is fixedly connected to the bottom end of the circuit substrate 20 and positioned at one side of the light emitting diode 19, a wireless controller 22 is fixedly arranged at one side of the standby battery 21, the top end of the shell 1 is fixedly connected with a mounting plate 23, a buzzer 24 is fixedly connected to one side of the outer wall of the shell 1 and positioned at the bottom end of the mounting plate 23, the buzzer 24 is used for fire alarming, so that smoke enters the filtering pore plate 17 through a smoke inlet 12, the smoke is discharged between the photoresistors 18 and the light emitting diodes 19 along the hole position on the filtering pore plate 17, when the smoke is generated, the smoke particles scatter the light emitted by the light emitting diodes 19, the light intensity received by the photoresistors 18 is weakened, the wireless controller 22 is standby power the standby power supply of the standby battery 22, the wireless controller 22 is started, an alarm prompt is realized, and meanwhile, the wireless controller 22 can be remotely started to monitor a room.
In this embodiment, as shown in fig. 7-8, the conveying and pressurizing mechanism comprises a hose 25 fixedly installed at the bottom end of the outer wall of the rotary spray pipe 7, an electric valve 26 is in threaded communication with the top end of the hose 25, a calibration smoke tank 27 is fixedly communicated with the top end of the electric valve 26, the calibration smoke tank 27 is used for storing calibration smoke, a pressurizing pipe 28 is welded and communicated with one end of the calibration smoke tank 27, an air pump 29 is fixedly installed at one end of the pressurizing pipe 28, an electric valve 30 is in threaded communication with the input end of the air pump 29, the hose 25 is communicated with the rotary spray pipe 7, and the calibration smoke tank 27 is made of stainless steel.
In this embodiment, as shown in fig. 6-9, the distribution drainage mechanism includes a suction pipe 31 embedded and installed at the other side of the outer wall of the casing 1, a negative pressure pump 32 is fixedly installed at one end of the suction pipe 31, an output end of the negative pressure pump 32 is in threaded communication with a communicating pipe 33, an outer drainage side pipe 34 is welded at the top end of the communicating pipe 33, a ring pipe 35 is fixedly connected at the other end of the suction pipe 31, and a plurality of diversion suction pipes 36 are fixedly connected to the inner wall of the ring pipe 35. The plurality of diverting straws 36 are distributed and arranged in an equidistant way, and the plurality of diverting straws 36 are communicated with the annular pipe 35.
The using method of the fire wireless alarm device is as follows:
in the first step, when the building is installed and used, the mounting plate 23 is fixed on the top of a building through the expansion bolts, and the mounting plate 23 supports the shell 1, so that the stability of the shell 1 is improved. When fire occurs, smoke enters the smoke inlet holes 12 on the shell 1, the smoke enters the filter pore plate 17 through the smoke inlet holes 12, the smoke is discharged to the space between the photoresistor 18 and the light emitting diode 19 along the pore position on the filter pore plate 17, and the light emitting diode 19 irradiates on the photoresistor 18. When smoke exists, smoke particles scatter light emitted by the light emitting diode 19, so that the intensity of the light received by the photoresistor 18 is weakened, the wireless controller 22 is supplied with power by the standby battery 21, the wireless controller 22 starts the buzzer 24, and the buzzer 24 achieves alarm operation. Meanwhile, the wireless controller 22 can remotely start the alarm of the monitoring room, so that wireless alarm operation is realized.
Step two, setting self-checking time on the wireless controller 22 during deflection self-checking, when the self-checking time set by the wireless controller 22 is reached, starting the driving motor 4 through the wireless controller 22, driving the screw rod 3 to rotate in the support frame 2 by the driving motor 4, and enabling the screw rod 3 to carry the thread sleeve block 5 to move right under the action of thread transmission force. The threaded sleeve block 5 drives the sleeve block 6 to move right, the threaded sleeve block 5 carries the supporting shaft 16 to enable the arc-shaped supporting plate 15 to move right, the arc-shaped supporting plate 15 carries the transmission motor 10 and the angle sensor 14 to move right, the angle sensor 14 carries the rotary spray pipe 7 to move right, and the rotary spray pipe 7 carries the side spray rectangular pipe 11 to be inserted into the smoke inlet 12. The distance sensor 13 can realize distance sensing on the right end part of the rotary spray pipe 7, and when the distance sensed by the distance sensor 13 is the same as the distance set by the wireless controller 22, the side spray moment pipe 11 can be positioned at the bottom of the filter pore plate 17.
The wireless controller 22 then activates the drive motor 10, the support shaft 16 supports the arc support plate 15, and the arc support plate 15 supports the drive motor 10 and the support angle sensor 14. The transmission motor 10 drives the transmission toothed ring 9 to rotate positively, the transmission toothed ring 9 carries toothed ring 8 to mesh and transmit, the toothed ring 8 carries the rotary spray pipe 7 to rotate, the rotary spray pipe 7 carries the side spray moment pipe 11 to rotate anticlockwise upwards, the rotary spray pipe 7 realizes angle sensing on the angle sensor 14, after the rotary spray pipe 7 rotates anticlockwise by one hundred eighty degrees, the transmission toothed ring 9 is driven to rotate reversely through the transmission motor 10, the transmission toothed ring 9 carries toothed ring 8 to enable the rotary spray pipe 7 to rotate clockwise by one hundred eighty degrees, and therefore the rotary spray pipe 7 carries the side spray moment pipe 11 to realize reciprocating rotation at a designated angle.
And step three, when pressurizing is carried out, the air pump 29 is started through the wireless controller 22, the electric valve 30 is opened, externally pressurized air enters the air pump 29 along the electric valve 30, the air pump 29 is filled into the pressurizing pipe 28, the pressurizing pipe 28 is used for conveying the calibration smoke into the calibration smoke tank 27, and the calibration smoke stored in the calibration smoke tank 27 enters the electric valve 26. While the wireless controller 22 opens the electro-valve 26.
The correction smog enters the hose 25 along the electric valve 26, the hose 25 is conveyed into the rotary spraying pipe 7, the rotary spraying pipe 7 is poured into the side spraying rectangular pipe 11, the side spraying rectangular pipe 11 is used for realizing reciprocating rotary spraying correction smog below the filtering pore plate 17, thereby the correction smog can enter between the photoresistor 18 and the light-emitting diode 19 along the filtering pore plate 17 under the pressure effect, the light intensity received by the photoresistor 18 is weakened, the buzzer 24 is started to give an alarm through the wireless controller 22, the fact that the photoresistor 18 and the light-emitting diode 19 smog sensing component are not damaged can be known, if the buzzer 24 does not give an alarm, the photoresistor 18 and the light-emitting diode 19 smog sensing component have problems, maintenance personnel can be found immediately to carry out maintenance treatment, the alarm device can realize automatic safety detection correction, the alarm is ensured to be normal, and the use safety of the alarm device is improved.
Fourth, when the flow is discharged in a distributed manner, after the self-checking is finished, the electric valve 26 is closed to stop the driving of the air pump 29, the negative pressure pump 32 is started, the negative pressure pump 32 enables the plurality of shunt suction pipes 36 to generate negative pressure suction, the plurality of shunt suction pipes 36 can suck checking smoke in the shell 1, the checking smoke enters the annular pipe 35 along the plurality of shunt suction pipes 36, and the checking smoke is collected by the annular pipe 35 and then conveyed into the suction pipe 31. The smoke is conveyed into the communicating pipe 33 through the suction pipe 31, and conveyed into the outer-row side pipe 34 through the communicating pipe 33, so that the outer-row side pipe 34 can realize side-row pressurization and discharge of the correction smoke, distributed drainage operation is realized, new air enters the smoke inlet 12, normal fire alarm inside the shell 1 is quickly recovered, automatic detection correction can be quickly realized, the correction smoke is quickly discharged after automatic correction is finished, and normal fire alarm operation inside the shell 1 is ensured.
The details not described in detail in the specification belong to the prior art known to those skilled in the art, and model parameters of each electric appliance are not specifically limited, and conventional equipment is used.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.