CN210720332U - Mobile gas detector based on wireless communication - Google Patents

Mobile gas detector based on wireless communication Download PDF

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Publication number
CN210720332U
CN210720332U CN201921500586.2U CN201921500586U CN210720332U CN 210720332 U CN210720332 U CN 210720332U CN 201921500586 U CN201921500586 U CN 201921500586U CN 210720332 U CN210720332 U CN 210720332U
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China
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junction box
gas sensor
air
pipe
box
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CN201921500586.2U
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Chinese (zh)
Inventor
张永强
刘千军
吴晓迪
齐国西
王茜
朱小娣
张捷
刘剑
赵小华
卢荣道
刘红艳
夏世燕
金仲磊
张建平
戚甲举
孙中保
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Shanghai Laidi Technology Co ltd
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Shanghai Laidi Technology Co ltd
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Abstract

The utility model discloses a mobile gas detector based on wireless communication, which comprises a junction box, wherein an instrument shell is fixed at the top of the junction box through a mounting plate; the air pump and the gas sensor are installed in the junction box, the box cover is arranged at the front end of the junction box, an air inlet pipe and an air outlet pipe are arranged on one side of the junction box, the air inlet pipe is communicated with an air inlet of the air pump so as to suck surrounding gas into the junction box, and the air outlet pipe is communicated with an air outlet of the air pump; the gas sensor is used for detecting the concentration of the target gas; the instrument shell is internally provided with a power supply main board, a wireless module and a control main board from inside to outside in sequence, a front end screw of the instrument shell is connected with an instrument cover, one side of the instrument shell is provided with an antenna, and the antenna is in communication connection with a signal end of the wireless module; the wireless module is used for wirelessly communicating with external equipment; a singlechip is arranged on the control mainboard; and the signal end of the singlechip is respectively in communication connection with the signal ends of the wireless module, the gas sensor and the charging and discharging circuit.

Description

Mobile gas detector based on wireless communication
Technical Field
The utility model relates to an instrument and instrument technical field specifically is a portable gas detector based on wireless communication.
Background
With the promotion of industrialization in China, the situations of leakage, explosion, personal injury and the like caused by the use and insufficient safety protection of inflammable and explosive gases or toxic gases are frequent every year, and the situations not only cause casualties and property loss in different degrees, but also influence the normal operation and development of units. Therefore often install gaseous detection device around inflammable and explosive gas, traditional gas detection appearance needs the manual work to detect to the scene, can not 24 hours uninterrupted carry out the spot check to gas and detect, consequently can't satisfy industrial production's actual demand, consequently needs a remote control, can satisfy the industrial demand by the gas detector who carries out the sample detection to gas anytime and anywhere.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a portable gas detector based on wireless communication to traditional gas detector who provides in solving above-mentioned background art needs the manual work to detect to the scene, can not have 24 hours uninterrupted to gas spot check and detect, consequently can't satisfy industrial production's actual demand, scheduling problem.
In order to achieve the above object, the utility model provides a following technical scheme: a mobile gas detector based on wireless communication comprises a junction box, wherein an instrument shell is fixed at the top of the junction box through a mounting plate;
the air pump and the gas sensor are installed in the junction box, the box cover is arranged at the front end of the junction box, an air inlet pipe and an air outlet pipe are arranged on one side of the junction box, the air inlet pipe is communicated with an air inlet of the air pump so as to suck surrounding gas into the junction box, and the air outlet pipe is communicated with an air outlet of the air pump; the gas sensor is used to detect the concentration of a target gas.
The instrument shell is internally provided with a power supply main board, a wireless module and a control main board from inside to outside in sequence, a front end screw of the instrument shell is connected with an instrument cover, one side of the instrument shell is provided with an antenna, and the antenna is in communication connection with a signal end of the wireless module;
the wireless module is used for wirelessly communicating with external equipment; the control mainboard is provided with a singlechip which is used for receiving, transmitting and analyzing control instructions and calculating parameters; and the signal end of the singlechip is respectively in communication connection with the signal ends of the wireless module, the gas sensor and the charging and discharging circuit.
Preferably, the internally mounted of junction box has the lithium cell, and the one end of lithium cell is provided with the mouth that charges, and the mouth that charges runs through the junction box.
Preferably, a flow meter is connected in series on the air inlet pipe, the air flow is detected through the flow meter, and a signal end of the flow meter is in communication connection with a signal end of the single chip microcomputer.
Preferably, the power supply main board is provided with a charge and discharge circuit, and the charge and discharge circuit is used for charging and discharging a lithium battery.
Preferably, a camera is further installed in the junction box, the camera is over against the explosion-proof glass and an observation groove arranged on the box cover, and the observation groove penetrates through the box cover; and the signal end of the camera is in communication connection with the signal end of the singlechip.
Preferably, an acousto-optic alarm is mounted on one side of the instrument shell, which is far away from the antenna, and the control end of the acousto-optic alarm is in communication connection with the signal end of the single chip microcomputer.
Preferably, the junction box is also provided with a handle.
Preferably, the bottom of the junction box is provided with a threaded hole, and the junction box is fixed on the triangular support through the threaded hole.
Preferably, a transparent film is adhered to the outer surface of the box cover, and the transparent film is in a transparent state.
Preferably, the device is further provided with a blowing component, the blowing component comprises a nozzle and an air blowing pipe, the nozzle is installed at one end of the air blowing pipe and is communicated with the air blowing pipe, and the nozzle is inclined towards the transparent film;
the other end of the air blowing pipe is fixedly assembled with the sleeve, one end of the sleeve is provided with a limiting ring, the limiting ring is arranged in the retaining cylinder, the sleeve is fixedly clamped with the outer ring of the bearing, and the inner ring of the bearing is fixedly sleeved with the outer part of the sleeve;
the driving box is characterized in that a second gear is further fixed on the outer wall of the sleeve, the second gear is in meshing transmission with the first gear, the first gear is fixed at one end of a rotating shaft, the other end of the rotating shaft is installed in the driving box and is fixedly assembled with the impeller, the driving box is further communicated with one end of the air guide pipe, the air guide pipe is communicated with the air outlet pipe, the driving box is further assembled and communicated with one end of the assembling pipe through the air supply pipe, and the other end of the assembling pipe is installed in the sleeve and can be circumferentially rotated and hermetically assembled with the assembling pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a mutually supporting between lithium cell, wireless module and the antenna can upload to external equipment with the detected data, utilizes air pump and gas sensor to detect surrounding gas to the monitoring point condition is known in real time to the accessible camera.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a left side view of the present invention;
FIG. 4 is a schematic structural view of the purge module of the present invention;
fig. 5 is an enlarged view of a portion a in fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a mobile gas detector based on wireless communication comprises a junction box 1, wherein an instrument shell 2 is fixed on the top of the junction box 1 through a mounting plate 16, a lithium battery 3 is installed inside the junction box 1, one end of the lithium battery 3 is provided with a charging port 19, the charging port 19 penetrates through the junction box 1, and when the mobile gas detector is used, the mobile gas detector is connected with a charger through the charging port 19 to charge the lithium battery;
still install air pump 4 and gas sensor 5 in the junction box 1, the front end of junction box 1 is provided with case lid 8, one side of junction box 1 is provided with intake pipe 15 and outlet duct 18, intake pipe 15 communicates with the air inlet of air pump 4 inside in order to inhale junction box 1 with gaseous on every side, outlet duct 18 communicates with the 4 gas vents of air pump, the inside gaseous detection of junction box 1 finishes the back, through the air pump 4 with the cooperation of outlet duct 18 with the inside air escape of junction box 1. The gas sensor 5 is used for detecting the concentration of flammable and explosive gas or toxic gas, and may be a combustible gas sensor or a sensor for detecting one or more toxic gases, or the gas sensor 5 employs an infrared gas sensor to detect the concentration of a target gas by infrared spectroscopy. To increase the accuracy, a flow meter may be connected in series to the intake pipe 15, and the flow rate of the gas is detected by the flow meter, thereby assisting the calculation of the target gas concentration.
The instrument shell 2 is internally provided with a power supply main board 9, a wireless module 10 and a control main board 11 in sequence from inside to outside, the front end of the instrument shell 2 is connected with an instrument cover 12 through a screw, one side of the instrument shell 2 is provided with an antenna 14, and the antenna 14 is in communication connection with a signal end of the wireless module 10, so that the wireless module 10 receives and transmits wireless signals through the antenna 14;
install charge-discharge circuit on the power mainboard 9, charge-discharge circuit is used for carrying out the charge-discharge for the lithium cell, and charge-discharge circuit's the end that charges in this embodiment is connected with the mouth 19 that charges is electrically conductive, the incoming end that discharges is connected with the electrode of lithium cell is electrically conductive, the output that discharges is connected with each consumer electricity to for each equipment power supply. This is the prior art, and the battery control circuit board of current electronic product is directly adopted to this embodiment.
The wireless module 10 is used for wireless communication with external equipment, and a GPRS module or a 5G module is selected for the implementation;
the control mainboard 11 is provided with a single chip microcomputer which is used for receiving, transmitting and analyzing control instructions and calculating parameters.
The signal end of singlechip respectively with wireless module 10, gas sensor 5, charge-discharge circuit, flowmeter's signal end communication connection to make the singlechip carry out data interaction like external equipment through wireless module, can gather gas sensor 5, charge-discharge circuit's signal simultaneously.
Specifically, the inner surface of the box cover 8 is provided with the explosion-proof glass 7, and the explosion-proof glass 7 can be arranged to observe the equipment inside the junction box 1 from the outside and enable the camera 6 to record the external condition of the detector through the explosion-proof glass 7.
Specifically, still install camera 6 in the junction box 1, camera 6 is just to explosion-proof glass 7, the observation groove 20 of setting on case lid 8, and observation groove 20 runs through case lid 8. Through setting up camera 6, make the staff observe the detector surrounding environment through the current affairs of client, can in time discover and prevent the extension of disaster. The signal end of the camera 6 is in communication connection with the signal end of the single chip microcomputer, so that image information collected by the camera 6 can be directly watched after being networked with external equipment through the wireless module when the device is used.
Specifically, an acousto-optic alarm 13 is installed on one side of the instrument shell 2 far away from the antenna 14, and a control end of the acousto-optic alarm 13 is in communication connection with a signal end of the single chip microcomputer. When the single chip microcomputer detects that the acquisition parameter value of the gas sensor exceeds a preset threshold value, the single chip microcomputer controls the acousto-optic alarm 13 to be started, and the acousto-optic alarm 13 sends out sound and flashes to remind workers around the detector, so that the detector can detect in time and prevent accidents.
Specifically, the top of the junction box 1 is provided with a handle 17, and the detector is convenient to take and carry by arranging the handle 17.
Specifically, the bottom of the junction box 1 is provided with a threaded hole 21 through which the junction box 1 is conveniently fixed on a tripod.
The working principle is as follows: when the installation, charge lithium cell 3 through charging mouth 19, pass through the A-frame with the detector and install at the monitoring point, during daily inspection, air pump 4 is inside intake junction box 1 with the ambient air through intake pipe 15, and by pipe-line delivery to gas sensor 5, detect gas through gas sensor 5, and pass through wireless module 10 and antenna 14 with the testing result to the customer end (outside wireless connection's equipment), camera 6 sees through explosion-proof glass 7 and monitors the detector external world simultaneously, the staff only needs to open the customer end and just can observe the target gas concentration of monitoring point and the peripheral condition of monitoring point, prevent unexpected emergence.
If the gas sensor 5 detects that the target gas reaches the standard of triggering the acousto-optic alarm 13, the singlechip controls the acousto-optic alarm 13 to operate to remind workers around the monitoring point, and reminds the detection personnel through the client side, so that accidents are avoided.
Referring to fig. 4-5, preferably, because the utility model discloses install outdoor for a long time, and the staff only does regularly patrol and examine, therefore can't in time get rid of when explosion-proof glass 7 outside adhesion filth, and in fig. 1, explosion-proof glass 7 is located observation groove 20 inboard, and it is difficult to carry out the big reason when explosion-proof glass 7 adhesion filth, carries out the following improvement to this applicant:
a layer of transparent film 22 is adhered to the outer surface of the box cover 8, the transparent film 22 is made of an acrylic plate, and a purging component is further arranged to purge the transparent film 22;
the blowing component comprises a nozzle 23 and an air blowing pipe 24, the nozzle 23 is arranged at one end of the air blowing pipe 24 and is communicated with the air blowing pipe 24, so that the air flow in the air blowing pipe 24 is sprayed out from the nozzle 23, the nozzle 23 is inclined towards the transparent film 22, the air flow is directly blown on the transparent film 22, and impurities attached to the transparent film are blown away;
the other end of the air blow pipe 24 is fixedly assembled with a sleeve 26, one end of the sleeve 26 is provided with a limiting ring 27, the limiting ring 27 is arranged in a holding cylinder 25, the sleeve 26 is fixedly clamped with the outer ring of a bearing 31, and the inner ring of the bearing 31 is fixedly sleeved with the outer part of the sleeve 26;
the outer wall of the sleeve 26 is further fixed with a second gear 28, the second gear 28 is in meshing transmission with the first gear 32, the first gear 32 is fixed at one end of a rotating shaft 33, the other end of the rotating shaft 33 is installed in a driving box 34 and is assembled and fixed with an impeller 35, the inside of the driving box 34 is further communicated with one end of a gas guiding pipe 36, the gas guiding pipe 36 is communicated with the gas outlet pipe 18, the inside of the driving box 34 is further assembled and communicated with one end of an assembling pipe 29 through a gas feeding pipe 30, and the other end of the assembling pipe 29 is installed in the sleeve 26 and can be circumferentially rotated and hermetically assembled with the sleeve.
When the device is used, the airflow in the air outlet pipe 18 enters the driving box 34 to drive the impeller to rotate, the impeller drives the sleeve 26 to rotate circumferentially through the rotating shaft, the first gear and the second gear, so that the air blowing pipe 24 rotates circumferentially to drive the nozzle 23 to rotate circumferentially, and the blowing area is enlarged;
the air flow enters the fitting pipe 29 from the inside of the drive case 34, enters the sleeve 26, enters the air blowing pipe 24 from the sleeve 26, and is ejected from the nozzle 23. According to the design, on one hand, the probability of attaching impurities to the transparent film is reduced through air flow purging, and on the other hand, the purging area and the purging angle can be enlarged through the rotating nozzle 23, so that the probability of attaching the impurities to the transparent film is further reduced, and the probability of shielding the camera by the impurities is also reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. A mobile gas detector based on wireless communication comprises a junction box, wherein an instrument shell is fixed at the top of the junction box through a mounting plate; the method is characterized in that:
the air pump and the gas sensor are installed in the junction box, the box cover is arranged at the front end of the junction box, an air inlet pipe and an air outlet pipe are arranged on one side of the junction box, the air inlet pipe is communicated with an air inlet of the air pump so as to suck surrounding gas into the junction box, and the air outlet pipe is communicated with an air outlet of the air pump; the gas sensor is used for detecting the concentration of the target gas;
the instrument shell is internally provided with a power supply main board, a wireless module and a control main board from inside to outside in sequence, a front end screw of the instrument shell is connected with an instrument cover, one side of the instrument shell is provided with an antenna, and the antenna is in communication connection with a signal end of the wireless module;
the wireless module is used for wirelessly communicating with external equipment; the control mainboard is provided with a singlechip which is used for receiving, transmitting and analyzing control instructions and calculating parameters; and the signal end of the singlechip is respectively in communication connection with the signal ends of the wireless module, the gas sensor and the charging and discharging circuit.
2. A mobile gas sensor according to claim 1, wherein: the internally mounted of junction box has the lithium cell, and the one end of lithium cell is provided with the mouth that charges, and the mouth that charges runs through the junction box.
3. A mobile gas sensor according to claim 1, wherein: the air inlet pipe is connected with a flowmeter in series, the air flow is detected through the flowmeter, and a signal end of the flowmeter is in communication connection with a signal end of the single chip microcomputer.
4. A mobile gas sensor according to claim 1, wherein: the power supply main board is provided with a charge and discharge circuit, and the charge and discharge circuit is used for charging and discharging a lithium battery.
5. A mobile gas sensor according to claim 1, wherein: the camera is arranged in the junction box, and is over against the explosion-proof glass and an observation groove arranged on the box cover, and the observation groove penetrates through the box cover; and the signal end of the camera is in communication connection with the signal end of the singlechip.
6. The mobile gas sensor of claim 5, wherein: and an acousto-optic alarm is arranged on one side of the instrument shell, which is far away from the antenna, and the control end of the acousto-optic alarm is in communication connection with the signal end of the singlechip.
7. A mobile gas sensor according to claim 1, wherein: the junction box is also provided with a handle.
8. A mobile gas sensor according to claim 1, wherein: the bottom of junction box is provided with the screw hole, fixes the junction box on the A-frame through the screw hole.
9. The mobile gas sensor of claim 5, wherein: a layer of transparent film is adhered to the outer surface of the box cover, and the transparent film is in a transparent state.
10. The mobile gas sensor of claim 9, wherein: the blowing device is characterized by also comprising a blowing component, wherein the blowing component comprises a nozzle and an air blowing pipe, the nozzle is arranged at one end of the air blowing pipe and is communicated with the air blowing pipe, and the nozzle is inclined towards the transparent film;
the other end of the air blowing pipe is fixedly assembled with the sleeve, one end of the sleeve is provided with a limiting ring, the limiting ring is arranged in the retaining cylinder, the sleeve is fixedly clamped with the outer ring of the bearing, and the inner ring of the bearing is fixedly sleeved with the outer part of the sleeve;
the driving box is characterized in that a second gear is further fixed on the outer wall of the sleeve, the second gear is in meshing transmission with the first gear, the first gear is fixed at one end of a rotating shaft, the other end of the rotating shaft is installed in the driving box and is fixedly assembled with the impeller, the driving box is further communicated with one end of the air guide pipe, the air guide pipe is communicated with the air outlet pipe, the driving box is further assembled and communicated with one end of the assembling pipe through the air supply pipe, and the other end of the assembling pipe is installed in the sleeve and can be circumferentially rotated and hermetically assembled with the assembling pipe.
CN201921500586.2U 2019-09-10 2019-09-10 Mobile gas detector based on wireless communication Active CN210720332U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921500586.2U CN210720332U (en) 2019-09-10 2019-09-10 Mobile gas detector based on wireless communication

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Application Number Priority Date Filing Date Title
CN201921500586.2U CN210720332U (en) 2019-09-10 2019-09-10 Mobile gas detector based on wireless communication

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CN210720332U true CN210720332U (en) 2020-06-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112683453A (en) * 2020-11-26 2021-04-20 广西电网有限责任公司桂林供电局 Sulfur hexafluoride tester with endoscope and sulfur hexafluoride source confirmation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112683453A (en) * 2020-11-26 2021-04-20 广西电网有限责任公司桂林供电局 Sulfur hexafluoride tester with endoscope and sulfur hexafluoride source confirmation method
CN112683453B (en) * 2020-11-26 2023-06-16 广西电网有限责任公司桂林供电局 Sulfur hexafluoride source confirmation method

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