CN114137159A - Combustible gas detector - Google Patents
Combustible gas detector Download PDFInfo
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- CN114137159A CN114137159A CN202111396446.7A CN202111396446A CN114137159A CN 114137159 A CN114137159 A CN 114137159A CN 202111396446 A CN202111396446 A CN 202111396446A CN 114137159 A CN114137159 A CN 114137159A
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- 238000004891 communication Methods 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims abstract description 4
- 230000010354 integration Effects 0.000 claims abstract 2
- 238000007789 sealing Methods 0.000 claims description 73
- 230000001681 protective effect Effects 0.000 claims description 28
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000013011 mating Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The application relates to a combustible gas detector, it includes the protection casing, the protection casing is provided with and holds the chamber, it is provided with circuit control panel to hold the intracavity, circuit control panel integration has: the system comprises a processor and a controller, wherein the processor is used for receiving and processing signals, the controller is used for receiving control signals of the processor, and the controller executes control instructions; the sensor assembly is connected with the processor and used for acquiring parameters of the combustible gas and transmitting the parameter information of the combustible gas to the processor; the wireless communication module is connected with the processor and used for receiving the parameter information of the combustible gas processed by the processor and remotely sending the information; and the antenna component is connected with the wireless communication module. The application has the effect that the combustible gas detector can also be remotely monitored in the environment where the network cable is not conveniently arranged.
Description
Technical Field
The application relates to the field of gas detection technology, in particular to a combustible gas detector.
Background
Gas detector, also known as gas detection appearance, is the instrument and meter instrument that a gas leakage concentration detected, and in recent years, the conflagration that takes place because of combustible gas reveals often takes place, in order to guarantee people's life and property safety, combustible gas's detection has received more and more people's attention, and among the correlation technique, in order to can remote monitoring combustible gas detector, the WiFi module can be installed usually to combustible gas detector.
In view of the above-mentioned related technologies, there is a defect that the combustible gas detector cannot be remotely monitored by a mobile phone in places where it is inconvenient to arrange network cables, such as mine holes and mines, because the combustible gas detector communicates through WiFi.
Disclosure of Invention
In order to be able to remotely monitor the combustible gas detector in an environment where a network cable is not conveniently arranged, the application provides the combustible gas detector.
The application provides a combustible gas detector adopts following technical scheme:
the utility model provides a combustible gas detector, includes the protection casing, the protection casing is provided with and holds the chamber, it is provided with circuit control panel to hold the intracavity, circuit control panel is integrated to have: the system comprises a processor and a controller, wherein the processor is used for receiving and processing signals, the controller is used for receiving control signals of the processor, and the controller executes control instructions; the sensor assembly is connected with the processor and used for acquiring parameters of the combustible gas and transmitting the parameter information of the combustible gas to the processor; the wireless communication module is connected with the processor and used for receiving the parameter information of the combustible gas processed by the processor and remotely sending the information; and the antenna component is connected with the wireless communication module.
Through adopting above-mentioned technical scheme, because of wireless communication module's setting, when the sensor transmits combustible gas's parameter information to the treater earlier, the treater can be handled combustible gas's parameter information, then transmit the combustible gas's after handling parameter information to wireless communication module, then wireless communication module transmits combustible gas's parameter information to long-range mobile terminal again on, for example, the cell-phone, wherein parameter information is including combustible gas's composition and concentration etc, so in the place of being not convenient for arrange the net twine, mobile terminal such as cell-phone also can long-range acquisition combustible gas's parameter information, in addition because of protection casing thickness is thick, the setting of event antenna module makes wireless communication module's communication ability can not receive the influence, thereby can normally carry out remote monitoring to the combustible gas detector.
Preferably, the circuit control board is integrated with an alarm, the alarm is connected with the controller, and the alarm is used for receiving a control instruction of the controller and sending an alarm signal; the circuit control panel is provided with a display screen; the display screen is characterized in that a display hole is formed in the inner wall, close to the display screen, of the protection shell, and explosion-proof glass is arranged at the display hole.
Through adopting above-mentioned technical scheme, on the one hand, because of the setting of alarm, when combustible gas's concentration exceeds standard, the control signal of treater can be accepted to the controller, and carry out control command, the alarm just can send alarm signal after that, thereby staff near can in time obtain the warning, and then make staff's construction work safe and reliable more, on the other hand, the setting of display screen, the combustible gas parameter display that can detect at any time is on the display screen, then the staff can observe combustible gas's parameter information at any time, thereby can discover the hidden danger more fast, and then can reduce the emergence of safe events.
Preferably, the protection shell is provided with a wiring groove for an external 220V wiring to penetrate, and a through hole communicated with the accommodating cavity is formed in the bottom of the wiring groove; a tubular wiring sealing ring and a stuffing box joint are arranged in the wiring groove, the wiring sealing ring is arranged on the inner wall of the wiring groove close to the accommodating cavity, and one end of the wiring sealing ring close to the accommodating cavity is abutted against the bottom of the wiring groove; the stuffing box joint is in threaded connection with the wiring groove far away from the inner wall of the accommodating cavity, and the stuffing box joint is used for extruding the wiring sealing ring so as to enable the inner side of the wiring sealing ring to shrink.
Through adopting above-mentioned technical scheme, on the one hand, wiring groove and fenestrate setting, make outside 220V's wiring can directly get into hold the chamber in be connected with the circuit control board, so can make the installation work of combustible gas detector simpler, on the other hand, in order to guarantee the leakproofness of wiring department, after the wiring finishes, rotatable packing box connects, then the packing box connects can be close to the wiring sealing washer gradually, receive the shelves that separate of wiring groove inner wall because of the wiring sealing washer, so the wiring sealing washer takes place deformation because of the extrusion that the packing box connects, so just can appear the inboard condition of contracting gradually of wiring sealing washer, when treating the inboard clamp outside wiring of wiring sealing washer, just can prevent that combustible gas from getting into and holding in the chamber, thereby can prevent the inside condition of explosion that appears of combustible gas detector.
Preferably, an annular auxiliary clamping part is arranged at one end, close to the stuffing box joint, of the wiring sealing ring, the auxiliary clamping part is connected to the edge of the inner side of the wiring sealing ring, and a clamping matching surface which is obliquely arranged is arranged on the outer side of the auxiliary clamping part; the stuffing box joint is close to one end of the wiring sealing ring is provided with a clamping active surface, the clamping active surface is arranged on the inner side edge of the stuffing box joint, and the inner side edge of the auxiliary clamping part can be drawn close to each other when the clamping active surface is abutted against the clamping matching surface.
Through adopting above-mentioned technical scheme, because of supplementary clamping part, the setting of centre gripping active surface on centre gripping fitting surface and the stuffing box street on the supplementary clamping part, at the in-process that rotates the stuffing box and connect, the centre gripping active surface is close to the centre gripping fitting surface gradually, when treating centre gripping active surface and centre gripping fitting surface butt, the inboard edge of supplementary clamping part can be drawn close gradually, so alright make the one end that the wiring sealing washer is close to the stuffing box and connect press from both sides tight outside wiring earlier, then follow-up only need continue to rotate the stuffing box and connect, so that the part that the wiring sealing washer keeps away from the stuffing box gradually presss from both sides tight outside wiring in proper order, thereby make the leakproofness of wiring department obtain better promotion.
Preferably, the sensor assembly is used for contacting one end of combustible gas and the alarm is used for transmitting the alarm signal to the outside one end and is set as the outside end of exposing, the outside end of exposing is provided with the sintering net and the tarpaulin that the external medium passes through in proper order.
Through adopting above-mentioned technical scheme, need acquire combustible gas's parameter because of sensor module, so sensor module has the position with outside intercommunication, make sensor module can contact combustible gas, and equally, the alarm probably needs the alarm signal of transmission sound or light form, so also need have the position with outside intercommunication, the event outside shows the end department and is provided with sintering net and tarpaulin, both can intercept granular solid, also can intercept liquid, thereby only gas and sound can show the end through the outside, and then make sensor module or alarm not fragile, help promoting combustible gas detector's life.
Preferably, the protection shell is provided with a connecting hole communicated with the accommodating cavity, and the connecting hole is provided with a connecting assembly; the connecting assembly is used for enabling the protective shell and the sensor assembly to be detachably connected with each other in an air tightness mode, and the connecting assembly is used for enabling the protective shell and the alarm to be detachably connected with each other in an air tightness mode.
Through adopting above-mentioned technical scheme, because of coupling assembling's setting for sensor module or alarm can be followed and protected the casing and pulled down, thereby be convenient for the later stage to maintain sensor module or alarm, and because of coupling assembling still has the gas tightness, so can make and hold the chamber and be difficult for having combustible gas, help protecting the combustible gas detector.
Preferably, coupling assembling is including connecting stud, connecting stud one end with sensor subassembly or alarm fixed connection, connecting stud with connecting hole threaded connection.
Through adopting above-mentioned technical scheme, because of coupling assembling includes the mode of connecting the double-screw bolt, on the one hand, realized sensor assembly or alarm and protected between the casing detachable connection, on the other hand, threaded connection's mode also makes being connected between sensor assembly or alarm and the protection casing can keep better gas tightness to can make during combustible gas can not get into and hold the chamber, and then the inside condition of exploding that can not appear combustible gas detector.
Preferably, the inner wall of the connecting hole is provided with an extending groove and a clamping groove, one end of the extending groove is communicated with the outside, and the other end of the extending groove extends towards the direction close to the accommodating cavity; the clamping groove is communicated with one end of the extension groove far away from the outside; a plurality of mounting grooves are respectively formed in two opposite side walls of the extension groove, and the mounting grooves in different side walls are arranged in a staggered mode along the extension direction of the extension groove; the connecting assembly comprises two elastic clamping blocks, a plurality of sealing blocks, a spring, a connecting column and a clamping rod, the two elastic clamping blocks are respectively arranged on two opposite side walls of the clamping groove, and the elastic clamping blocks are adjacently arranged at the communication position of the clamping groove and the extension groove; the sealing blocks are arranged corresponding to the mounting grooves, one end of each sealing block is arranged in the mounting groove in a sliding mode, and the other end of each sealing block can abut against the side wall of the corresponding extension groove; one end of the sealing block, which is far away from the bottom of the mounting groove, is provided with a locking guide surface and an unlocking guide surface which are in an inclined state, the locking guide surface faces to the communication part of the extension groove and the outside, and the unlocking guide surface faces to the communication part of the extension groove and the clamping groove; one end of the spring is fixedly connected with the sealing block, the other end of the spring is fixedly connected with the bottom of the mounting groove, and one end, far away from the bottom of the mounting groove, of the sealing block can be abutted against the side wall of the extension groove by the spring; one end of the connecting column is fixedly connected with the sensor assembly or the alarm, and the other end of the connecting column penetrates through the connecting hole; joint pole one end fixed connection is in on the all sides outer wall of spliced pole, the other end can slide and set up in the extending groove the joint pole with the locking guide face and during the unblock guide face butt, the sealing block slips back in the mounting groove the joint pole can be in during the draw-in groove, the joint pole is by two the elasticity grip block is tight.
By adopting the technical scheme, when the sensor assembly or the alarm is to be installed on the protective shell, the connecting column is firstly extended into the connecting hole, the clamping rod is made to slide into the extending groove, then the connecting column is gradually moved towards the direction close to the accommodating cavity, in the process, the clamping rod can be abutted against the locking guide surface, so that one end, away from the mounting groove, of the sealing block is gradually slid back into the mounting groove, the clamping rod is avoided from moving towards the direction close to the clamping groove, then the clamping rod can sequentially pass through the plurality of sealing blocks until entering the clamping groove, and finally the clamping rod can be clamped by the two elastic clamping blocks, so that the purpose of fixing the sensor assembly or the alarm on the protective shell is achieved; when the sensor assembly or the alarm is to be detached from the protective shell, the connecting hole is firstly pulled out of the connecting column, the clamping rod moves to the extending groove from the clamping groove, then the connecting column is gradually far away from the accommodating cavity, in the process, the clamping rod can be abutted against the unlocking guide surface, one end, far away from the mounting groove, of the sealing block is gradually slid back to the mounting groove, so that the clamping rod is prevented from moving towards the direction far away from the clamping groove, then the clamping rod can sequentially pass through the plurality of sealing blocks until sliding out from the extending groove, and therefore the purpose of detaching the sensor assembly or the alarm from the protective shell is achieved; in addition, by the aid of the design mode, the sealing performance of the extending groove and the clamping groove is improved through the plurality of sealing blocks which are arranged in a staggered mode, and accordingly the air tightness between the sensor assembly or the alarm and the protective shell can be kept.
Preferably, the extension groove includes a first extension part and a second extension part, one end of the first extension part is communicated with the outside, and the other end of the first extension part extends along the central line direction of the connection hole; one end of the second extension part is communicated with one end, far away from the outside, of the first extension part, the other end of the second extension part extends in the direction of the center line of the connecting hole, and one end, far away from the first extension part, of the second extension part is communicated with the clamping groove; the communication position of the first extension part and the second extension part is provided with a transition area without the sealing block.
Through adopting above-mentioned technical scheme, when the joint pole moves to the direction that is close to the draw-in groove along the extending groove gradually, the spliced pole needs earlier along the central line direction motion of connecting hole, so that the joint pole can be along the direction motion of first extension to being close to the second extension, the spliced pole needs to rotate around the central line of connecting hole after that, so that the joint pole can be along the second extension to the direction motion of being close to the draw-in groove, so under the combined action of second extension and elasticity grip block, the spliced pole can not appear to keeping away from the condition that holds chamber direction motion because of equipment vibration more, thereby make the spliced pole inseparabler with being connected between the connecting hole inner wall.
Preferably, the two connecting components are symmetrically arranged relative to the central line of the connecting hole.
Through adopting above-mentioned technical scheme, because of coupling assembling symmetry is provided with two, make the connection between spliced pole and the connecting hole more stable to make sensor assembly or alarm can install on protecting the casing more firmly.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the wireless communication module and the antenna assembly, mobile terminals such as mobile phones and the like can also remotely acquire parameter information of the combustible gas in places where network cables are not conveniently arranged, and in addition, the antenna assembly can enable the communication capability of the wireless communication module not to be affected due to the fact that the thickness of the protective shell is thick, so that the combustible gas detector can be normally remotely controlled;
2. the 220V connection can directly enter the accommodating cavity to be connected with the circuit control board in a mode that the connection groove is provided with the connection sealing ring and the stuffing box joint, and the connection part has air tightness, so that combustible gas can be prevented from entering the accommodating cavity from the connection part, and the safety of the combustible gas detector can be kept;
3. through coupling assembling including the mode of connecting stud, on the one hand, realized sensor module or alarm and the detachable connection between the protection casing, on the other hand, threaded connection's mode also makes sensor module or alarm and the connection between the protection casing can keep better gas tightness to can make during combustible gas can not get into and hold the chamber, and then the inside condition of exploding that can not appear combustible gas detector.
Drawings
Fig. 1 is an exploded view of a combustible gas detector in example 1 of the present application.
Fig. 2 is a schematic cross-sectional view of the sealing ring and the stuffing box joint in embodiment 1 of the present application.
Fig. 3 is a schematic view of a connecting assembly in embodiment 2 of the present application.
Fig. 4 is an enlarged view at a in fig. 3.
Description of reference numerals: 1. a protective housing; 11. an accommodating chamber; 12. a display aperture; 121. explosion-proof glass; 13. a wiring slot; 131. perforating; 14. connecting holes; 2. a circuit control board; 21. a sensor assembly; 22. a wireless communication module; 23. an antenna assembly; 24. an alarm; 25. a display screen; 3. a wiring sealing ring; 31. an auxiliary clamping part; 32. clamping a matching surface; 4. a stuffing box joint; 41. clamping the driving surface; 5. an externally exposed end; 6. a connecting assembly; 61. connecting a stud; 62. an elastic clamping block; 63. a sealing block; 631. a locking guide surface; 632. an unlocking guide surface; 64. a spring; 65. connecting columns; 66. a clamping and connecting rod; 7. an extension groove; 71. a first extension portion; 72. a second extension portion; 8. a card slot; 9. mounting grooves; 10. a transition zone.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses combustible gas detector.
Referring to fig. 1, the wireless communication module 22 is connected to the processor, the wireless communication module 22 can receive the parameter information of the combustible gas processed by the processor and remotely generate information, in this embodiment, a worker can establish remote communication with the wireless communication module 22 through a user terminal such as a mobile phone, and the wireless communication module 22 can send the parameter information of the combustible gas, for example, the concentration value of the combustible gas to the mobile phone, so that the worker can remotely monitor the combustible gas detector in real time, for example, when the concentration value of the combustible gas exceeds the standard, the worker can timely know the situation of the site, and thus, the potential safety hazard can be more quickly solved; for example, when the concentration of the combustible gas is abnormal but exceeds the standard, the worker can pre-judge the safety condition of the site through the concentration value of the combustible gas which is obtained in real time, so that the accident can be prevented in time; further, for example, when the concentration of the combustible gas is abnormally too low, the sensor assembly 21 may be damaged or leak into the detected enclosed space, so that the worker can deal with different situations more timely.
Referring to fig. 1, since the thickness of the protective casing 1 is relatively thick, the antenna assembly 23 is connected to the wireless communication module 22 to reduce the influence of the protective casing 1 on the communication capability of the wireless communication module 22, so that the combustible gas detector can be normally remotely monitored, and the antenna assembly 23 is further screwed into the protective casing 1, so that a firm installation basis for the antenna assembly 23 is provided; in this embodiment, the alarm 24 is connected to the controller, and the alarm 24 can receive the control command from the controller and send an alarm signal, wherein the alarm signal can be a warning sound or a warning light, so that the staff on the site can be reminded in time, and the potential safety hazard can be eliminated in time.
Referring to fig. 1, in this embodiment, install the display screen 25 on the circuit control board 2, the display screen 25 is used for showing the concentration value isoparametric of combustible gas, so the display hole 12 has been seted up to protection casing 1 an organic whole on the inner wall that is close to display screen 25 to explosion-proof glass 121 is installed to display hole 12 department, then the staff can directly look over display screen 25 and know other parameters such as the concentration value of combustible gas, thereby make the use of combustible gas detector convenient more.
Referring to fig. 1, the sensor assembly 21 and the alarm 24 are required to be mounted on the protective case 1, and the sensor assembly 21 and the alarm 24 are required to be in contact with the outside, the sensor assembly 21 and the alarm 24 are mounted on the outer wall of the protective casing 1, wherein the protective casing 1 is provided with the connecting hole 14, and the connecting hole 14 is provided with a connecting component 6, specifically, the connecting component 6 comprises a connecting stud 61, one end of the connecting stud 61 is fixedly connected with the sensor component 21 or the alarm 24, the other end is connected with the connecting hole 14 by screw thread, the aim of detachably connecting the sensor assembly 21 and the alarm 24 to the protective casing 1 is achieved, and the connection is also air-tight, so that it is not easy for combustible gas to enter the accommodating chamber 11, and the safety of the combustible gas detector is not easy to be weakened.
Referring to fig. 1, since the sensor assembly 21 needs to release the combustible gas, the alarm 24 needs to transmit an alarm signal (for example, a warning sound or a warning light) to the outside, and therefore both the sensor assembly 21 and the alarm 24 need to be in contact with the outside environment, one end of the sensor assembly 21 used for contacting the combustible gas and one end of the alarm 24 used for transmitting the alarm signal to the outside are set as an outside exposed end 5, wherein a sintering net and a waterproof cloth are installed at the outside exposed end 5, and an external medium sequentially passes through the sintering net and the waterproof cloth, so that only gas and sound can pass through the outside exposed end 5, and further the sensor assembly 21 or the alarm 24 is not easily damaged, which helps to prolong the service life of the combustible gas detector.
Referring to fig. 1 and 2, in order to further improve the convenience of the use of the combustible gas detector, a wiring groove 13 for an external 220V wiring to penetrate is formed on the outer wall of the protective casing 1, a through hole 131 communicated with the accommodating cavity 11 is formed at the bottom of the wiring groove 13, but in order to maintain the air tightness in the accommodating cavity 11 while performing the wiring, a tubular wiring sealing ring 3 and a stuffing box joint 4 are arranged in the wiring groove 13, specifically, the wiring sealing ring 3 is arranged on the inner wall of the wiring groove 13 close to the accommodating cavity 11, and one end of the wiring sealing ring 3 in the length direction is abutted against the bottom of the wiring groove 13; stuffing box connects 4 threaded connection and keeps away from on the inner wall that holds chamber 11 in wiring groove 13, and stuffing box connects 4 can extrude wiring sealing washer 3, so after wiring work is accomplished, alright rotate stuffing box connects 4, then wiring sealing washer 3 can be extruded and make the inner circle of self take place shrink deformation, when the inner circle of treating wiring sealing washer 3 presss from both sides tight outside wiring, just make that combustible gas is difficult for getting into from wiring groove 13 and hold chamber 11, thereby can not influence the holistic gas tightness of combustible gas detector because of outside wiring.
Referring to fig. 1 and 2, in the present embodiment, an annular auxiliary clamping portion 31 is integrally formed at one end of the connection sealing ring 3 close to the stuffing box joint 4, specifically, the auxiliary clamping portion 31 is connected to an inner side edge of the connection sealing ring 3, and a clamping mating surface 32 is formed at an outer side of the auxiliary clamping portion 31 in an inclined manner, an inclined height of the clamping mating surface 32 is close to the connection sealing ring 3, and in order to be mated with the auxiliary clamping portion 31, a clamping active surface 41 abutting against the clamping mating surface 32 is formed at one end of the stuffing box joint 4 close to the connection sealing ring 3, the clamping active surface 41 is disposed at an inner side edge of the stuffing box joint 4, after the clamping active surface 41 abuts against the clamping mating surface 32, inner side edges of the auxiliary clamping portion 31 are drawn close to each other, so that the auxiliary clamping portion 31 clamps an external connection first in a process of rotating the stuffing box joint 4, then, the part of the wiring sealing ring 3 which is gradually far away from the stuffing box joint 4 can clamp the external wiring in sequence, so that the wiring sealing ring 3 can clamp the external wiring more tightly, and the air tightness in the accommodating cavity 11 can be kept better.
The implementation principle of the combustible gas detector in the embodiment of the application is as follows: the staff can establish remote communication with the wireless communication module 22 through a user terminal such as a mobile phone, and the wireless communication module 22 can send parameter information of the combustible gas, for example, a concentration value of the combustible gas to the mobile phone, so that the staff can remotely monitor the combustible gas detector in real time, for example, when the concentration value of the combustible gas exceeds the standard, the staff can timely know the situation of the site, and thus, the potential safety hazard can be solved more quickly; in addition, the thickness of the protective casing 1 is relatively thick, so the communication capacity of the wireless communication module 22 is not easily weakened by the arrangement of the antenna assembly 23, and thus, the worker can normally perform remote monitoring on the combustible gas detector in a place where the network cable is not convenient to arrange.
Referring to fig. 3 and 4, in the present embodiment, a plurality of mounting grooves 9 are respectively formed on two opposite side walls of the extending groove 7, and the mounting grooves 9 on different side walls are distributed in a staggered manner along the extending direction of the extending groove 7, but the mounting grooves 9 are not formed at the first extending portion 71 and the second extending portion 72 to form the transition region 10, so that a structural foundation for connecting the sensor assembly 21 or the alarm 24 on the protection housing 1 is formed.
Referring to fig. 3 and 4, the connecting assembly 6 includes two elastic clamping blocks 62, a plurality of sealing blocks 63, a spring 64, a connecting column 65 and a clamping rod 66, the two elastic clamping blocks 62 are respectively fixed on two opposite side walls of the clamping groove 8, and the elastic clamping blocks 62 are adjacently arranged at a communication position of the clamping groove 8 and the second extending portion 72; the sealing blocks 63 are respectively arranged in the mounting grooves 9, wherein one end of the sealing block 63 is slidably connected in the mounting groove 9, and the other end can abut against the side wall of the extension groove 7, in the embodiment, one end of the sealing block 63 away from the bottom of the mounting groove 9 is provided with a locking guide surface 631 and an unlocking guide surface 632 in an inclined state, wherein the locking guide surface 631 faces to the communication between the first extension part 71 and the outside, and the unlocking guide surface 632 faces to the communication between the first extension part 71 and the second extension part 72.
Referring to fig. 3 and 4, a spring 64 is arranged in the mounting groove 9, one end of the spring 64 is fixedly connected with the sealing block 63, the other end of the spring 64 is fixedly connected with the bottom of the mounting groove 9, and the spring 64 can enable one end, far away from the bottom of the mounting groove 9, of the sealing block 63 to abut against the side wall of the extension groove 7; one end of the connecting column 65 is fixedly connected with the sensor component 21 or the alarm 24 (refer to fig. 1), and the other end is arranged in the connecting hole 14 in a penetrating way; clamping rod 66 is the cylinder shape, and clamping rod 66 one end fixed connection is on the week side outer wall of spliced pole 65, and the other end slides and sets up in extending groove 7 to can slide into draw-in groove 8 along extending groove 7, wherein when clamping rod 66 and locking guide face 631 and unblock guide face 632 butt, sealing block 63 can slide back in mounting groove 9, in order to dodge clamping rod 66.
Referring to fig. 3 and 4, when sensor assembly 21 or alarm 24 (see fig. 1) is to be mounted on protective housing 1, connecting rod 65 is first inserted into connecting hole 14, clamping rod 66 is slid into first extension 71, connecting rod 65 is then gradually moved toward receiving cavity 11, in the process, clamping rod 66 abuts against locking guide surface 631 to slide sealing block 63 back into mounting groove 9, so clamping rod 66 can move in the direction of transition area 10 of first extension 71, when clamping rod 66 moves to transition area 10, then connecting rod 65 is rotated, clamping rod 66 moves in the direction of clamping groove 8 along second extension 72, when clamping rod 66 enters into clamping groove 8, two elastic clamping blocks 62 clamp clamping rod 66, so as to achieve the purpose of fixing sensor assembly 21 or alarm 24 (see fig. 1) on protective housing 1, in addition, in this design, the sealing performance at the extension groove 7 and the card groove 8 is improved by arranging the plurality of sealing blocks 63 in an interlaced manner, so that the airtightness of the connection between the sensor assembly 21 or the alarm 24 (see fig. 1) and the protective case 1 can be maintained.
In addition, in the present embodiment, in order to further improve the connection stability between the sensor assembly 21 or the alarm 24 and the protective case 1, two connection assemblies 6 are symmetrically arranged with respect to the center line of the connection hole 14.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A combustible gas detector, characterized by: including protection casing (1), protection casing (1) is provided with and holds chamber (11), it is provided with circuit control board (2) in chamber (11) to hold, circuit control board (2) integration has:
the system comprises a processor and a controller, wherein the processor is used for receiving and processing signals, the controller is used for receiving control signals of the processor, and the controller executes control instructions;
the sensor assembly (21) is connected with the processor, and the sensor assembly (21) is used for acquiring parameters of the combustible gas and transmitting the parameter information of the combustible gas to the processor;
the wireless communication module (22) is connected with the processor and is used for receiving the parameter information of the combustible gas processed by the processor and remotely sending the information;
an antenna assembly (23) connected to the wireless communication module (22).
2. The combustible gas detector of claim 1 wherein: an alarm (24) is integrated on the circuit control board (2), the alarm (24) is connected with the controller, and the alarm (24) is used for receiving a control instruction of the controller and sending an alarm signal; the circuit control board (2) is provided with a display screen (25); the display screen is characterized in that a display hole (12) is formed in the inner wall, close to the display screen (25), of the protection shell (1), and explosion-proof glass (121) is arranged at the position, close to the display hole (12), of the protection shell (1).
3. The combustible gas detector of claim 1 wherein: the protective shell (1) is provided with a wiring groove (13) for an external 220V wiring to penetrate, and a through hole (131) communicated with the accommodating cavity (11) is formed in the bottom of the wiring groove (13); a tubular wiring sealing ring (3) and a stuffing box joint (4) are arranged in the wiring groove (13), the wiring sealing ring (3) is arranged on the inner wall, close to the accommodating cavity (11), of the wiring groove (13), and one end, close to the accommodating cavity (11), of the wiring sealing ring (3) is abutted to the bottom of the wiring groove (13); stuffing box connects (4) threaded connection keep away from in wiring groove (13) hold on the inner wall of chamber (11), stuffing box connects (4) and is used for the extrusion wiring sealing washer (3) to make the inboard shrink of wiring sealing washer (3).
4. The combustible gas detector of claim 3 wherein: an annular auxiliary clamping part (31) is arranged at one end, close to the stuffing box joint (4), of the wiring sealing ring (3), the auxiliary clamping part (31) is connected to the edge of the inner side of the wiring sealing ring (3), and a clamping matching surface (32) which is obliquely arranged is arranged on the outer side of the auxiliary clamping part (31); the stuffing box joint (4) is close to one end of the wiring sealing ring (3) is provided with a clamping active surface (41), the clamping active surface (41) is arranged on the inner side edge of the stuffing box joint (4), the clamping active surface (41) is abutted against the clamping matching surface (32), and the inner side edges of the auxiliary clamping parts (31) can be drawn close to each other.
5. The combustible gas detector of claim 2 wherein: the sensor assembly (21) is used for contacting one end of combustible gas and the alarm (24) is used for transmitting an alarm signal to the outside end to be an outside exposed end (5), and a sintering net and a waterproof cloth through which external media sequentially pass are arranged at the outside exposed end (5).
6. The combustible gas detector of claim 2 wherein: the protective shell (1) is provided with a connecting hole (14) communicated with the accommodating cavity (11), and the connecting hole (14) is provided with a connecting assembly (6); the connecting assembly (6) is used for enabling the protective shell (1) and the sensor assembly (21) to be detachably connected with air tightness, and the connecting assembly (6) is used for enabling the protective shell (1) and the alarm (24) to be detachably connected with air tightness.
7. The combustible gas detector of claim 6 wherein: coupling assembling (6) including connecting stud (61), connecting stud (61) one end with sensor component (21) or alarm (24) fixed connection, connecting stud (61) with connecting hole (14) threaded connection.
8. The combustible gas detector of claim 2 wherein: an extension groove (7) and a clamping groove (8) are formed in the inner wall of the connecting hole (14), one end of the extension groove (7) is communicated with the outside, and the other end of the extension groove (7) extends towards the direction close to the accommodating cavity (11); the clamping groove (8) is communicated with one end of the extension groove (7) far away from the outside; a plurality of mounting grooves (9) are respectively formed in two opposite side walls of the extension groove (7), and the mounting grooves (9) on different side walls are arranged in a staggered mode along the extension direction of the extension groove (7); the connecting assembly (6) comprises two elastic clamping blocks (62), a plurality of sealing blocks (63), a spring (64), a connecting column (65) and a clamping rod (66), the two elastic clamping blocks (62) are respectively arranged on two opposite side walls of the clamping groove (8), and the elastic clamping blocks (62) are adjacently arranged at the communication position of the clamping groove (8) and the extension groove (7); the sealing blocks (63) are arranged corresponding to the mounting grooves (9), one end of each sealing block (63) is arranged in the mounting groove (9) in a sliding mode, and the other end of each sealing block (63) can abut against the side wall of the extension groove (7); one end of the sealing block (63) far away from the bottom of the mounting groove (9) is provided with a locking guide surface (631) and an unlocking guide surface (632), wherein the locking guide surface (631) faces to the communication part of the extension groove (7) and the outside, and the unlocking guide surface (632) faces to the communication part of the extension groove (7) and the clamping groove (8); one end of the spring (64) is fixedly connected with the sealing block (63), the other end of the spring is fixedly connected with the bottom of the mounting groove (9), and one end, far away from the bottom of the mounting groove (9), of the sealing block (63) can be abutted against the side wall of the extension groove (7) by the spring (64); one end of the connecting column (65) is fixedly connected with the sensor component (21) or the alarm (24), and the other end of the connecting column is arranged in the connecting hole (14) in a penetrating manner; clamping rod (66) one end fixed connection is in on the week side outer wall of spliced pole (65), the other end slidable sets up in extension groove (7) clamping rod (66) with locking guide face (631) and when unblock guide face (632) butt, sealing block (63) slip back in mounting groove (9) clamping rod (66) can be in when in draw-in groove (8), clamping rod (66) are by two elasticity grip block (62) press from both sides tightly.
9. The combustible gas detector of claim 8 wherein: the extension groove (7) comprises a first extension part (71) and a second extension part (72), one end of the first extension part (71) is communicated with the outside, and the other end of the first extension part extends along the central line direction of the connecting hole (14); one end of the second extension part (72) is communicated with one end, far away from the outside, of the first extension part (71), the other end of the second extension part extends along the direction of the center line of the connecting hole (14), and one end, far away from the first extension part (71), of the second extension part (72) is communicated with the clamping groove (8); the communication part of the first extension part (71) and the second extension part (72) is provided with a transition area (10) without the sealing block (63).
10. The combustible gas detector of claim 8 wherein: the connecting components (6) are symmetrically arranged in two relative to the central line of the connecting hole (14).
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| CN202111396446.7A CN114137159B (en) | 2021-11-23 | 2021-11-23 | Combustible gas detector |
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| CN202111396446.7A CN114137159B (en) | 2021-11-23 | 2021-11-23 | Combustible gas detector |
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| CN114137159B CN114137159B (en) | 2023-06-23 |
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| CN114137159B (en) | 2023-06-23 |
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Denomination of invention: A combustible gas detector Effective date of registration: 20231030 Granted publication date: 20230623 Pledgee: Societe Generale Bank Limited by Share Ltd. Shenzhen branch Pledgor: SHENZHEN HEIMAN TECHNOLOGY CO.,LTD. Registration number: Y2023980062979 |
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