CN209745862U - combustible gas detection device - Google Patents
combustible gas detection device Download PDFInfo
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- CN209745862U CN209745862U CN201920092819.3U CN201920092819U CN209745862U CN 209745862 U CN209745862 U CN 209745862U CN 201920092819 U CN201920092819 U CN 201920092819U CN 209745862 U CN209745862 U CN 209745862U
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- 238000001514 detection method Methods 0.000 title claims abstract description 147
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 238000001444 catalytic combustion detection Methods 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000008859 change Effects 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims description 15
- 239000003063 flame retardant Substances 0.000 claims description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000007084 catalytic combustion reaction Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a combustible gas detection device, which comprises a first shell and a second shell connected with the first shell; the inner cavity of the first shell is formed into a gas detection cavity, the gas detection cavity is provided with a gas inlet for combustible gas to enter, and a catalytic combustion detection part and a temperature detection part are arranged in the gas detection cavity; a processor is arranged in the inner cavity of the second shell, the catalytic combustion detection part and the temperature detection part are respectively and electrically connected with the processor, a wireless transmission part electrically connected with the processor is arranged on the outer surface of the second shell, the processor is wirelessly connected with an external concentration receiving module through the wireless transmission part, and the processor is used for obtaining a concentration value of the combustible gas according to the resistivity change value and the temperature value and transmitting the concentration value to the concentration receiving module; the second shell can rotate relative to the first shell and is used for adjusting the azimuth angle of the wireless transmission part. Therefore, the concentration of the combustible gas can be detected, the installation is simple, and the application range is wide.
Description
Technical Field
The utility model relates to a combustible gas monitors technical field, especially relates to a combustible gas detection device.
background
along with the gradual expansion of the application field of combustible gas, the combustible gas brings convenience to the life of people, and because the combustible gas has the characteristics of flammability and explosiveness, when the concentration reaches a certain range, the combustible gas is easy to cause explosion accidents, and the life and property safety of people is greatly threatened, so that the detection of the concentration of the combustible gas by using the combustible gas detection device is very necessary in the production and transportation processes of the combustible gas.
Combustible gas detection device mainly includes among the prior art: the concentration detection device comprises a detection module, a processor and a concentration receiving module which are electrically connected in sequence, wherein the processor is connected with the concentration receiving module through a connecting wire; the detection module is used for contacting with combustible gas, and in the detection process, when the combustible gas enters the detection module and contacts with a catalytic combustion detection part in the detection module, flameless combustion can be generated due to the catalytic action, and the temperature in the detection module is increased by the heat generated by the combustion, so that the resistance in the detection module is changed; the detection module transmits the resistance change signal to the processor, and transmits the obtained concentration signal of the combustible gas to the external concentration receiving module through the connecting wire after the resistance change signal is processed by the processor, so that the purpose of detection is achieved.
However, because the connection wire rod is used to realize the electricity connection between the treater of prior art's combustible gas detection device and the concentration receiving module, at the in-process of installation, the installation and the connection are all very complicated, and combustible gas detection device's different service environment has different requirements to the line of connecting wire rod, lead to the line of connecting wire rod to receive certain influence, and then the limitation when leading to combustible gas detection device to use is very big, and the transmission distance of signal can receive certain restriction moreover.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one problem mentioned in the background art, the utility model provides a combustible gas detection device not only can detect combustible gas's concentration, and the installation is comparatively simple, and application scope is great.
in order to achieve the above object, the present invention provides a combustible gas detection device, which includes a first housing and a second housing connected to the first housing;
the inner cavity of the first shell is formed into a gas detection cavity, the gas detection cavity is provided with a gas inlet for combustible gas to enter, a detection module is arranged in the gas detection cavity, and the detection module comprises a catalytic combustion detection part and a temperature detection part; the catalytic combustion detection part is provided with a resistor, the combustible gas is combusted after being contacted with the resistor, and the catalytic combustion detection part is used for detecting the resistivity change value of the resistor after the combustible gas is combusted; the temperature detection part is used for detecting the temperature value in the gas detection cavity;
A processor is arranged in the inner cavity of the second shell, the catalytic combustion detection part and the temperature detection part are respectively and electrically connected with the processor, a wireless transmission part electrically connected with the processor is arranged on the outer surface of the second shell, the processor is wirelessly connected with an external concentration receiving module through the wireless transmission part, and the processor is used for obtaining a concentration value of the combustible gas according to the resistivity change value and the temperature value and transmitting the concentration value to the concentration receiving module;
The second housing is rotatable relative to the first housing for adjusting an azimuth angle of the wireless transmission part.
The utility model provides a combustible gas detection device, through setting up first casing and connecting the second casing on first casing, be provided with the wireless transmission portion of being connected with the treater electricity on the surface of second casing to transmit the concentration value of the combustible gas that the treater obtained to concentration receiving module through the mode of wireless transmission, in order to reach the purpose of detecting the concentration of combustible gas; meanwhile, the wireless transmission part transmits signals in a wireless transmission mode, so that the influence of the use environment of the combustible gas detection device on the wiring of the connecting wire rod is effectively avoided, the transmission distance of the signals is greatly increased, and the application range of the combustible gas detection device is greatly increased; in addition, the second shell can rotate relative to the first shell, so that the azimuth angle of the wireless transmission part positioned on the outer surface of the second shell can be adjusted by rotating the second shell, and the propagation signal of the wireless transmission part is effectively enhanced.
in an embodiment of the present invention, a connecting rod is disposed at the bottom of the second housing, a groove for the connecting rod to extend into is disposed at the top of the first housing, and the groove and the gas detection chamber are isolated from each other;
The connecting rod can rotate around the axial direction of the groove to drive the wireless transmission part to rotate.
This can effectively enhance the propagation signal of the wireless transmission section.
in an embodiment of the present invention, the outer wall of the connecting rod has a stop block protruding outward, and the stop block is used to prevent the connecting rod from being released from the groove.
In an embodiment of the present invention, the gas inlet is further provided with a fire retardant plate.
Therefore, the combustible gas can be ensured to enter the detection cavity, and the combustion extension of the combustible gas in the detection cavity can be effectively avoided, so that the human body is prevented from being injured.
In an embodiment of the present invention, a power supply device for supplying power to the processor is further disposed on the second housing;
The power supply device comprises a storage battery arranged in the inner cavity of the second shell, and the storage battery is electrically connected with the processor;
the power supply device further comprises a solar panel arranged outside the second shell, and the solar panel is electrically connected with the storage battery.
therefore, the power supply device not only can supply power for the combustible gas detection device, but also can store electric energy generated by the solar cell panel in the storage battery so as to achieve the purpose of continuous power supply.
the utility model discloses an in the embodiment, gas entrance still is provided with the installation department, the installation department have with the intake duct of gas entrance intercommunication.
through setting up the installation department of seting up the intake duct, hold jar sealing connection with installation department and combustible gas pipeline or combustible gas, not only can make during combustible gas gets into gaseous detection chamber along the intake duct on the installation department, and can prevent effectively that combustible gas from leaking, cause the incident.
In an embodiment of the present invention, an alarm device is further disposed outside the second housing;
the alarm device is electrically connected with the processor and is used for sending out an alarm signal when the concentration value of the combustible gas reaches a preset threshold value;
The alarm device comprises an alarm lamp and/or a loudspeaker, and the alarm lamp is used for lighting when the concentration value of the combustible gas reaches the preset threshold value; the loudspeaker is used for sounding when the concentration value of the combustible gas reaches the preset threshold value.
Therefore, when the concentration value of the combustible gas obtained by the processor reaches the preset threshold value, the processor can send out an alarm signal to the alarm device simultaneously when the wireless transmission part sends out a signal, so as to remind the staff.
The utility model discloses an in the embodiment, still be provided with the display screen on the second casing, the display screen with the treater electricity is connected, the display screen is used for showing obtain after the treater is handled the concentration value of combustible gas.
this makes it possible to more conveniently read the concentration value of the combustible gas.
In an embodiment of the present invention, the cavity wall of the gas detection cavity is provided with an observation window.
thus, the gas state in the gas detection chamber can be observed at any time.
In an embodiment of the present invention, a fixing portion is further disposed on the outer wall of the first housing, and the fixing portion is used for fixing the combustible gas detection apparatus to an external device.
Therefore, the first shell can be fixed at the preset position, and the stability of the gas detection device after installation can be effectively improved.
the structure of the present invention and other objects and advantages thereof will be more clearly understood from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.
Drawings
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
fig. 1 is a schematic structural diagram of a combustible gas detection apparatus according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a combustible gas detection apparatus according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram three of a combustible gas detection apparatus provided in an embodiment of the present invention;
Fig. 4 is a schematic structural diagram of a position of a first housing of the combustible gas detection apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a position of a second housing of the combustible gas detection apparatus according to an embodiment of the present invention.
Description of reference numerals:
1 — a first housing;
11-a gas detection chamber;
111 — gas inlet;
112-observation window;
12-a catalytic combustion detection section;
13-a temperature detection section;
14-a fixed part;
2-a second housing;
21-a processor;
22-a connecting rod;
23-a stop block;
3-a wireless transmission section;
4-fire retardant board;
5-a power supply device;
51-a storage battery;
52-solar panel;
6-an installation part;
7-alarm device;
71-alarm lamp;
72-a loudspeaker;
8, displaying screen.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the drawings in the preferred embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, an indirect connection through an intermediary, a connection between two elements, or an interactive relationship between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The combustible gas detection device of prior art uses between detection module, treater and the concentration receiving module to connect the wire rod and realizes the electricity and connect, and installation and connection are all very complicated at the in-process of installation, and combustible gas detection device's service environment can lead to the fact the influence to the line of connecting the wire rod, and the limitation when leading to thick detection device to use is very big, and the transmission distance of signal can receive certain restriction moreover.
In order to solve the technical problem that prior art exists, the utility model provides a combustible gas detection device not only can detect combustible gas's concentration, and the installation is comparatively simple, and application scope is great. The combustible gas detection apparatus is described in detail below by way of specific examples:
fig. 1 is a schematic structural diagram of a combustible gas detection apparatus according to an embodiment of the present invention. Fig. 2 is a schematic structural diagram of a combustible gas detection apparatus according to an embodiment of the present invention. Fig. 3 is a schematic structural diagram three of the combustible gas detection apparatus provided in an embodiment of the present invention. Fig. 4 is a schematic structural diagram of a position of a first housing of the combustible gas detection apparatus according to an embodiment of the present invention. Fig. 5 is a schematic structural diagram of a position of a second housing of the combustible gas detection apparatus according to an embodiment of the present invention.
Referring to fig. 1 to 5, the present embodiment provides a combustible gas detection apparatus including a first housing 1 and a second housing 2 connected to the first housing 1.
The inner chamber of first casing 1 forms into gaseous detection chamber 11, and gaseous detection chamber 11 has the gaseous entry 111 that can supply combustible gas to get into, is provided with detection module in the gaseous detection chamber 11, and wherein, detection module specifically includes: a catalytic combustion detection unit 12 and a temperature detection unit 13. The catalytic combustion detection part 12 has a resistor, the combustible gas is combusted after being contacted with the resistor, and the catalytic combustion detection part 12 is used for detecting the resistivity change value of the resistor after the combustible gas is combusted; the temperature detector 13 detects a temperature value in the gas detection chamber 11.
A processor 21 is arranged in the inner cavity of the second housing 2, the catalytic combustion detection part 12 and the temperature detection part 13 are respectively electrically connected with the processor 21, a wireless transmission part 3 electrically connected with the processor 21 is arranged on the outer surface of the second housing 2, the processor 21 is wirelessly connected with an external concentration receiving module through the wireless transmission part 3, and the processor 21 is used for obtaining a concentration value of the combustible gas according to the resistivity change value and the temperature value and transmitting the concentration value to the concentration receiving module.
The second housing 2 is rotatable relative to the first housing 1 for adjusting the azimuth angle of the wireless transmission section 3.
Specifically, the first housing 1 is a hollow housing, a part of the inner cavity of the first housing 1 is formed into a gas detection chamber 11, a communication part of one side of the gas detection chamber 11 with the outside is a gas inlet 111, and gas enters the gas detection chamber 11 from the gas inlet 111 and then contacts and burns with a resistor on a catalytic combustion detection part 12 arranged in the gas detection chamber 11; during gas combustion, the change in resistivity of the resistor is detected by the catalytic combustion detecting unit 12, and the temperature in the gas detection chamber 11 during gas combustion is detected by the temperature detecting unit 13.
during concrete implementation, each side wall of the gas detection cavity 11 can be provided with a heat preservation layer, so that the side wall of the gas detection cavity 11 can be prevented from being overheated after the combustible gas is combusted, the worker can be prevented from being scalded, and the detection result of the temperature detection part 13 can be more accurate.
The catalytic combustion detection unit 12 may directly adopt a catalytic combustion detection device commonly used in the prior art, and the principle of catalytic detection is not described herein again; the temperature detecting unit 13 may be a temperature sensor or a thermocouple as it is, but the present embodiment is not limited thereto as long as it can detect the temperature in the gas detection chamber 11.
The second shell 2 is also a hollow shell, and a processor 21 electrically connected with the catalytic combustion detection part 12 and the temperature detection part 13 is arranged in the inner cavity of the second shell 2; specifically, the processor 21 may be connected to the catalytic combustion detection unit 12 and the temperature detection unit 13 in a wired or wireless manner, so as to transmit the resistivity variation value detected by the catalytic combustion detection unit 12 and the temperature value detected by the temperature detection unit 13 to the processor 21, so that the processor 21 can obtain the concentration value of the combustible gas according to the obtained resistivity variation value signal and the obtained temperature value signal; in particular, the processing logic and the computing logic of the processor 21 may be configured in accordance with the prior art.
When the processor 21 is connected with the catalytic combustion detection part 12 and the temperature detection part 13 through wires, the first shell 1 and the second shell 2 are directly connected together, so that connecting wires for connecting the processor 21 with the catalytic combustion detection part 12 and the temperature detection part 13 can be specifically wired through an inner cavity at the joint of the first shell 1 and the second shell 2; and when carrying out the electricity through the mode of wireless propagation between treater 21 and catalytic combustion detection portion 12 and the temperature detection portion 13 and connect, then need not to consider that this gas detection device's service environment can cause the influence to connecting wire, compare and connect the detection module and the treater that independently set up through connecting wire among the prior art, through being in the same place first casing 1 and second casing 2 lug connection, the influence of external environment to connecting wire line has effectively been avoided, and then the restriction of this gas detection device's installation environment to its application range has been avoided.
In the specific implementation process, the processor 21 is specifically connected with an external concentration receiving module through the wireless transmission part 3, so that the concentration value of the combustible gas obtained by the processor 21 can be transmitted through the wireless transmission part 3, and the purpose of detecting the concentration of the combustible gas is achieved; specifically, the electric connection is carried out to the wired or wireless connection's of accessible mode between treater 21 and the wireless transmission portion 3, and wireless transmission portion 3 specifically carries out the electric connection through wireless connection's mode with outside concentration receiving module to increase the transmission distance of combustible gas concentration value signal, and effectively avoid this combustible gas detection device's service environment can lead to the fact the influence to the line of connecting the wire rod, and then simplify this combustible gas detection device's installation, enlarge application scope.
Specifically, the first housing 1 and the second housing 2 are directly connected together in a rotatable manner, so that the azimuth angle of the wireless transmission unit 3 can be adjusted by rotating the second housing 2, thereby not only realizing the direct connection between the first housing 1 and the second housing 2, but also enhancing the propagation signal of the wireless transmission unit 3.
according to the combustible gas detection device provided by the embodiment, the first shell 1 and the second shell 2 connected to the first shell 1 are arranged, and the wireless transmission part 3 electrically connected with the processor 21 is arranged on the outer surface of the second shell 2, so that the concentration value of the combustible gas obtained by the processor 21 is transmitted to the concentration receiving module in a wireless transmission manner, and the purpose of detecting the concentration of the combustible gas is achieved; meanwhile, the wireless transmission part 3 transmits signals in a wireless transmission mode, so that the influence of the use environment of the combustible gas detection device on the wiring of the connecting wire rod is effectively avoided, the transmission distance of the signals is greatly increased, and the application range of the combustible gas detection device is greatly increased; in addition, since the second housing 2 can rotate relative to the first housing 1, the azimuth angle of the wireless transmission part 3 located on the outer surface of the second housing 2 can be adjusted by rotating the second housing 2, and the propagation signal of the wireless transmission part 3 can be effectively enhanced.
in this embodiment, the bottom of the second casing 2 has a connecting rod 22, the top of the first casing 1 has a groove for the connecting rod 22 to extend into, and the groove is isolated from the gas detection chamber 11.
Wherein, the connecting rod 22 can rotate around the axial direction of the groove to drive the wireless transmission part 3 to rotate.
Specifically, bottom fixed connection of connecting rod 22 and second casing 2, in the concrete implementation in-process, connecting rod 22 can be cavity tubular product, so that when treater 21 and catalytic combustion detection portion 12 and temperature detection portion 13 carried out wired connection, a connecting wire for connecting treater 21 and catalytic combustion detection portion 12 and temperature detection portion 13 can walk the line through connecting rod 22's inner chamber, thereby effectively avoid this combustible gas detection device's service environment to walk the influence of line to connecting wire, and then make this combustible gas detection device's application scope greatly increased.
Specifically, a part of the inner cavity of the first housing 1 is formed into a groove into which the connecting rod 22 can extend, and the groove and the gas detection cavity 11 are isolated from each other, so as to prevent the combustible gas from being sprayed out of the groove and causing injury to workers.
Specifically, the shape of the outer surface of the connecting rod 22 is matched with the shape of the opening of the groove, so that the second shell 2 is prevented from shaking when being connected with the first shell 1 through the connecting rod 22; in addition, connecting rod 22 stretches into the recess after, and connecting rod 22 specifically can be followed recess opening border and rotated round the axial direction of recess, because the bottom fixed connection of connecting rod 22 and second casing 2, the fixed surface that sets up at second casing 2 of wireless transmission portion 3 to the accessible rotates connecting rod 22 and rotates in order to drive wireless transmission portion 3, and then through the transmission signal of the azimuth of adjusting wireless transmission portion 3 in order to strengthen wireless transmission portion 3.
In this embodiment, a stop block 23 protruding outwards is further disposed on an outer wall of one end of the connecting rod 22 extending into the groove to prevent the connecting rod 22 from coming out of the groove; specifically, the groove may be configured as a cylindrical cavity to ensure that the stopper can rotate in the groove, thereby achieving rotational connection between the first housing 1 and the second housing 2.
In order to prevent because of the change of combustible gas concentration, the burning flame who detects combustible gas in the cavity is epitaxial, and then causes the problem of injury to the staff to appear, in this embodiment, gas inlet 111 department still is provided with back-fire relief plate 4.
in particular, the flame retardant plate 4 is attached to the side wall of the gas inlet 111, it being understood that combustible gas enters the gas detection chamber 11 through the passage formed by the flame retardant plate 4.
It is comparatively preferred, back-fire relief plate 4 can use high temperature resistant material to make, and has the structure of intensive gas pocket to guarantee that combustible gas can get into gaseous detection chamber 11, prevent simultaneously that burning flame is extensive, protect staff's safety.
In the present embodiment, the second casing 2 is further provided with a power supply device 5 for supplying power to the processor 21; the power supply device 5 comprises a storage battery 51 arranged in the inner cavity of the second shell 2, and the storage battery 51 is electrically connected with the processor 21; the power supply device 5 further includes a solar cell panel 52 disposed outside the second housing 2, and the solar cell panel 52 is electrically connected to the storage battery 51.
Specifically, when the storage battery 51 is electrically connected with the processor 21 to supply power to the processor 21, since the catalytic combustion detection unit 12 and the temperature detection unit 13 are electrically connected with the processor 21, respectively, the storage battery 51 can supply power to the combustion detection unit and the temperature detection unit 13 at the same time to ensure the normal operation of the catalytic combustion detection unit 12 and the temperature detection unit 13; of course, in other embodiments, the battery 51 may be electrically connected to the catalytic combustion detection unit 12 and the temperature detection unit 13 to supply power to the processor 21, the combustion detection unit, and the temperature detection unit 13, but the present embodiment is not limited thereto as long as power can be supplied to each electrical appliance.
In the specific implementation process, in order to ensure that the combustible gas detection device can work durably, a solar cell panel 52 is further arranged outside the second shell 2, specifically, the solar cell panel 52 is electrically connected with the storage battery 51, so that electric energy generated by the solar cell panel 52 is stored by the storage battery 51, and the purpose of continuous power supply is further achieved. Of course, in other embodiments, the solar panel 52 may be directly electrically connected to the processor 21 or the combustion detection unit and the temperature detection unit 13 to directly supply power to each electrical appliance.
Preferably, the solar cell panel 52 may be configured to be arc-shaped to increase the area of the solar cell panel 52, so as to ensure that the solar cell panel 52 can receive more sunlight, and of course, in other embodiments, the solar cell panel 52 may also be configured to be planar, which is not limited in this embodiment as long as the solar cell panel can receive sunlight.
In the present embodiment, a mounting portion 6 is further provided at the gas inlet 111, and the mounting portion 6 has an inlet passage communicating with the gas inlet 111.
Specifically, the mounting portion 6 may be a hollow pipe structure, and the hollow passage of the mounting portion 6 is formed as an air inlet; specifically, one end of the mounting part 6 is connected with the gas inlet 111, and the other end of the mounting part 6 is used for being connected with a conveying pipeline of combustible gas or a containing tank of the combustible gas; the installation part 6 and the conveying pipeline of the combustible gas or the accommodating tank of the combustible gas can be bonded through flange connection, welding, bolt connection or other special processes, the embodiment is not limited to the above, and the connection part is sealed as long as the installation part 6 is connected with the conveying pipeline of the combustible gas or the accommodating tank of the combustible gas, so that the combustible gas is prevented from leaking and safety accidents are caused. In addition, in the specific implementation process, the combustible gas can smoothly reach the gas inlet 111 along the gas inlet channel and enter the gas detection cavity 11 along the gas inlet 111, and the caliber of the gas inlet channel can meet the requirement of catalytic combustion.
In the present embodiment, an alarm device 7 is further provided outside the second housing 2; the alarm device 7 is electrically connected with the processor 21, and the alarm device 7 is used for simultaneously sending out an alarm signal when the concentration value of the combustible gas reaches a preset threshold value so as to remind a worker. The preset threshold value can be set according to actual conditions.
Specifically, the alarm device 7 includes an alarm lamp 71 and a speaker 72, wherein the alarm lamp 71 is configured to be turned on when the concentration value of the combustible gas reaches a preset threshold value, and wherein the alarm lamp 71 may be turned on at a constant time or may be blinked at a certain frequency when the concentration value of the combustible gas reaches the preset threshold value. The speaker 72 is configured to emit a sound when the concentration value of the combustible gas reaches a preset threshold value.
Of course, in other embodiments, the alarm device 7 may be provided with only the alarm lamp 71 or only the speaker 72, and this embodiment is not limited thereto as long as it can send out an alarm signal.
In this embodiment, the second housing 2 is further provided with a display screen 8, the display screen 8 is electrically connected to the processor 21, the display screen 8 is configured to display a concentration value of the combustible gas obtained after the processing by the processor 21, so that a worker can more conveniently read the concentration value of the combustible gas, and the display screen 8 may be, for example, a liquid crystal display screen.
in this embodiment, the wall of the gas detection chamber 11 is further provided with an observation window 112, specifically, the observation window 112 may be made of a high temperature resistant transparent material, such as transparent quartz glass, which is not limited in this embodiment, as long as an external worker can observe the inside of the gas detection chamber 11.
In order to enhance the stability of fixing the gas detection device on the transmission pipeline of the combustible gas or on the surface of other devices, the outer wall of the first casing 1 is further provided with a fixing part 14, specifically, the fixing part 14 may be a plurality of fixing claws arranged on the outer surface of the first casing 1, the plurality of fixing claws are provided with screw fixing holes, and screws fix the combustible gas detection device on external equipment through the screw fixing holes, so as to improve the installation stability of the combustible gas detection device. Of course, in other embodiments, the fixing portion 14 may have a clip structure, and this embodiment is not limited thereto as long as the mounting stability of the gas detection apparatus can be improved.
in the description of the present invention, it is to be understood that the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically stated otherwise.
The terms "first" and "second" in the description and claims of the present application and the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The combustible gas detection device is characterized by comprising a first shell and a second shell connected to the first shell;
The inner cavity of the first shell is formed into a gas detection cavity, the gas detection cavity is provided with a gas inlet for combustible gas to enter, a detection module is arranged in the gas detection cavity, and the detection module comprises a catalytic combustion detection part and a temperature detection part; the catalytic combustion detection part is provided with a resistor, the combustible gas is combusted after being contacted with the resistor, and the catalytic combustion detection part is used for detecting the resistivity change value of the resistor after the combustible gas is combusted; the temperature detection part is used for detecting the temperature value in the gas detection cavity;
A processor is arranged in the inner cavity of the second shell, the catalytic combustion detection part and the temperature detection part are respectively and electrically connected with the processor, a wireless transmission part electrically connected with the processor is arranged on the outer surface of the second shell, the processor is wirelessly connected with an external concentration receiving module through the wireless transmission part, and the processor is used for obtaining a concentration value of the combustible gas according to the resistivity change value and the temperature value and transmitting the concentration value to the concentration receiving module;
the second housing is rotatable relative to the first housing for adjusting an azimuth angle of the wireless transmission part.
2. The combustible gas detection device according to claim 1, wherein a connecting rod is provided at the bottom of the second housing, a groove into which the connecting rod can extend is provided at the top of the first housing, and the groove and the gas detection chamber are isolated from each other;
the connecting rod can rotate around the axial direction of the groove to drive the wireless transmission part to rotate.
3. The combustible gas detection device of claim 2 wherein the outer wall of the connecting rod has an outwardly projecting stop thereon for preventing the connecting rod from being removed from the recess.
4. The combustible gas detection apparatus of claim 1, wherein a flame retardant plate is further provided at the gas inlet.
5. The combustible gas detection device of claim 1 wherein the second housing is further provided with a power supply for powering the processor;
The power supply device comprises a storage battery arranged in the inner cavity of the second shell, and the storage battery is electrically connected with the processor;
the power supply device further comprises a solar panel arranged outside the second shell, and the solar panel is electrically connected with the storage battery.
6. The combustible gas detection device of claim 1 wherein the gas inlet is further provided with an installation portion having an inlet channel in communication with the gas inlet.
7. The combustible gas detection device according to any one of claims 1 to 6, wherein an alarm device is further provided outside the second housing;
The alarm device is electrically connected with the processor and is used for sending out an alarm signal when the concentration value of the combustible gas reaches a preset threshold value;
the alarm device comprises an alarm lamp and/or a loudspeaker, and the alarm lamp is used for lighting when the concentration value of the combustible gas reaches the preset threshold value; the loudspeaker is used for sounding when the concentration value of the combustible gas reaches the preset threshold value.
8. the combustible gas detection device according to any one of claims 1 to 6, wherein a display screen is further disposed on the second housing, the display screen is electrically connected to the processor, and the display screen is configured to display a concentration value of the combustible gas obtained after processing by the processor.
9. the combustible gas detection device according to any one of claims 1 to 6, wherein a wall of the gas detection chamber is provided with an observation window.
10. The combustible gas detection device according to any one of claims 1 to 6, wherein a fixing portion for fixing the combustible gas detection device to an external apparatus is further provided on an outer wall of the first housing.
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|---|---|---|---|
| CN201920092819.3U CN209745862U (en) | 2019-01-21 | 2019-01-21 | combustible gas detection device |
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| CN201920092819.3U CN209745862U (en) | 2019-01-21 | 2019-01-21 | combustible gas detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458383A (en) * | 2019-01-21 | 2020-07-28 | 中国石油天然气股份有限公司 | Combustible gas detection device |
| CN111707309A (en) * | 2020-06-15 | 2020-09-25 | 岱特智能科技(昆山)有限公司 | Laboratory environment detection device |
-
2019
- 2019-01-21 CN CN201920092819.3U patent/CN209745862U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458383A (en) * | 2019-01-21 | 2020-07-28 | 中国石油天然气股份有限公司 | Combustible gas detection device |
| CN111707309A (en) * | 2020-06-15 | 2020-09-25 | 岱特智能科技(昆山)有限公司 | Laboratory environment detection device |
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