CN219104800U - Semiconductor type sensor module for detecting fuel gas - Google Patents
Semiconductor type sensor module for detecting fuel gas Download PDFInfo
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- CN219104800U CN219104800U CN202223543025.5U CN202223543025U CN219104800U CN 219104800 U CN219104800 U CN 219104800U CN 202223543025 U CN202223543025 U CN 202223543025U CN 219104800 U CN219104800 U CN 219104800U
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Abstract
The application relates to a semiconductor type sensor module for detecting fuel gas relates to the field of fuel gas concentration detection, and comprises a shell, a gas flowmeter and a semiconductor type fuel gas sensor, wherein the fuel gas sensor is located inside the shell, two ends of the fuel gas sensor are respectively communicated with an air inlet pipe and an air outlet pipe, the gas flowmeter is arranged on the air inlet pipe, a first temperature control assembly and a controller are arranged inside the shell, the first temperature control assembly comprises a first temperature sensor and a temperature regulating part, the first temperature sensor is fixedly arranged inside the shell and is electrically connected with the controller, the first temperature sensor is used for measuring the temperature inside the shell and outputting a first temperature signal to the controller, the temperature regulating part is arranged in the shell and is electrically connected with the controller, and the controller is used for controlling the temperature in the temperature regulating part to regulate the shell to be in a constant range in response to the first temperature signal, and the controller is fixedly arranged on the outer side wall of the shell. The present application has the effect of making the gas sensor convenient to use in a constant temperature range.
Description
Technical Field
The application relates to the field of gas concentration detection, in particular to a semiconductor type sensor module for detecting gas.
Background
The gas concentration detection means to measure the gas concentration of a hollow package such as a bottle or a can. The gas sensor manufactured by the semiconductor material has the advantages of high sensitivity, small volume, low cost and short response time, so that the semiconductor type gas sensor is increasingly used in the gas detection direction.
At present, the sensor module of gas detection commonly used mainly includes semiconductor type's gas sensor, gas flowmeter and casing, and gas sensor is fixed to be set up inside the casing, and both ends communicate respectively has the intake pipe that is used for the intake, be used for the outlet duct of giving vent to anger, and intake pipe, outlet duct are all fixed wears to establish on the casing, and gas sensor is arranged in measuring the gas in the gas to be surveyed, and gas flowmeter is fixed to be set up in the intake pipe, and is used for measuring the gas flow of circulation in the intake pipe. When the gas meter is used, the gas to be measured is introduced into the gas inlet pipe, the gas flowmeter detects the flow of the gas to be measured, and the gas sensor detects the gas in the gas to be measured, so that the concentration of the gas in the gas to be measured is measured.
Because the sensitivity of the semiconductor type gas sensor is different at different temperatures, the sensitivity of the gas sensor is easy to be reduced in cold weather or low temperature environment, and the detection of the gas concentration is inaccurate.
Disclosure of Invention
In order to facilitate the use of the gas sensor in a constant temperature range, the application provides a semiconductor type sensor module for detecting gas.
The application provides a semiconductor type sensor module for detecting fuel gas, adopts following technical scheme:
the utility model provides a semiconductor type detects sensor module of gas, includes casing, gas flowmeter and semiconductor type's gas sensor, gas sensor is located inside the casing, and both ends communicate respectively have intake pipe and outlet duct, the intake pipe the outlet duct is all fixed wears to establish on the casing, gas flowmeter sets up in the intake pipe, the inside first temperature control subassembly and the controller of being provided with of casing, first temperature control subassembly includes first temperature sensor and portion that adjusts the temperature, first temperature sensor is fixed to be set up in the inside of casing, and with the controller electricity is connected, first temperature sensor is used for measuring the inside temperature of casing, and will first temperature signal output arrives the controller, the portion that adjusts the temperature is located in the casing, and with the controller electricity is connected, the controller responds to first temperature signal control the portion that adjusts the temperature in the casing is in invariable within range, the controller is fixed to be set up on the lateral wall of casing.
By adopting the technical scheme, the first temperature sensor measures the temperature in the shell and outputs a measured first temperature signal to the controller, and when the first temperature signal is in a set range, the controller controls the temperature regulating part to be powered off, so that the gas sensor is normally used in the set temperature range; when the first temperature signal is lower than the lower limit of the set range, the controller controls the temperature regulating part to electrify and controls the temperature regulating part to raise the temperature in the shell; when the first temperature signal is higher than the upper limit of the set range, the controller controls the temperature adjusting part to be electrified and controls the temperature adjusting part to reduce the temperature in the shell, so that the semiconductor type gas sensor is convenient to use in the constant temperature range through the first temperature sensor and the temperature adjusting part.
Optionally, the temperature adjusting part comprises a fan and a first heating wire, the fan and the first heating wire are both located on one side of the gas sensor and are both fixedly connected with the casing, the first heating wire is located between the fan and the gas sensor, the fan and the first heating wire are both electrically connected with the controller, and the controller responds to the first temperature signal to control the fan and the first heating wire to be electrified or powered off.
By adopting the technical scheme, when the first temperature signal is in the set range, the controller controls the fan and the first heating wire to be powered off; when the first temperature signal is lower than the lower limit of the set range, the controller controls the fan and the first heating wire to be electrified, and the fan blows hot air to the periphery of the gas sensor and the inside of the shell so as to uniformly raise the temperature in the shell; when the first temperature signal is higher than the upper limit of the set range, the controller controls the fan to be electrified and controls the first heating wire to be powered off, and the fan blows cold air into the periphery of the gas sensor and the inside of the shell, so that the temperature in the shell is uniformly reduced, and the temperature in the shell is convenient to maintain in the set range through the cooperation of the fan and the first heating wire.
Optionally, the louvre has been seted up to one side of casing, be provided with the fin in the louvre, one side of fin with the casing is articulated, and the opposite side is connected with electric putter, electric putter articulates on the lateral wall of casing, and the output with the fin is articulated, electric putter with the controller electricity is connected, the controller is used for controlling electric putter's flexible.
Through adopting above-mentioned technical scheme, when first temperature signal is higher than the upper limit of settlement scope, the controller is when the control fan circular telegram control electric putter stretches out, and electric putter drive fin rotates, makes the fin deviate from the louvre to make the wind in the casing circulate of being convenient for, and then accelerated the inside efficiency that temperature reduces of casing.
Optionally, a plurality of cooling holes are formed, the cooling fins are provided with a plurality of cooling holes and are in one-to-one correspondence with the cooling holes, one sides of the cooling fins are hinged with connecting rods together, and two adjacent cooling fins, the connecting rods and the casing enclose a parallelogram.
Through adopting above-mentioned technical scheme, electric putter drive fin rotates, and other fin synchronous rotation of a fin pass through connecting rod drive for a plurality of fins are convenient for open or close in step, thereby have improved the efficiency that the fin opened or closed when improving the ventilation efficiency.
Optionally, the intake pipe is located the inside fixed second temperature sensor that is provided with of one end outside the casing, the inside fixed second heating wire that is provided with of casing, second temperature sensor the second heating wire all with the controller electricity is connected, second temperature sensor is used for measuring and lets in the temperature of the gas of being surveyed of intake pipe, and is used for outputting second temperature signal to the controller, second heating wire spiral cover is established on the intake pipe, the controller response second temperature signal control second heating wire circular telegram or outage.
Through adopting above-mentioned technical scheme, the second temperature sensor measures the temperature of gas to be surveyed, and output second temperature signal, and when second temperature signal was less than the setting value, the second heating wire circular telegram was controlled to the controller, and the second heating wire heats the gas to be surveyed in the intake pipe to the influence of the temperature of gas to be surveyed to gas sensor measurement has been reduced.
Optionally, a portion of the air inlet pipe opposite to the second heating wire is spiral.
By adopting the technical scheme, the contact area between the spiral air inlet pipe and the second electric heating wire is increased, so that the second electric heating wire is easy to heat the gas to be measured.
Optionally, a heat insulation shell is covered at a position of the second electric heating wire opposite to the air inlet pipe, and the heat insulation shell is fixedly connected with the casing.
Through adopting above-mentioned technical scheme, set up the insulating housing on the second heating wire for the temperature of second heating wire is difficult for causing the influence to the temperature regulation of temperature regulation portion.
Optionally, an insulation layer is fixedly arranged in the shell.
Through adopting above-mentioned technical scheme, through setting up the heat preservation in the casing inside for the temperature in the casing is convenient for keep, and is difficult for receiving external environment's influence.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first temperature sensor is matched with the temperature regulating part, so that the temperature in the shell is convenient to maintain in a constant range, and the gas sensor is convenient to use in the constant temperature range;
2. the electric push rod drives the radiating fins to be opened, so that cold air blown out by the fan is convenient to circulate, and the cooling efficiency of the temperature regulating part is improved;
3. the second heating wire is used for heating the gas to be measured, so that the temperature of the gas to be measured is not easy to influence the measurement of the gas sensor.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
fig. 2 is a cross-sectional view intended to illustrate a first temperature control assembly and a second temperature control assembly.
Reference numerals illustrate:
1. a housing; 11. a heat radiation hole; 12. a heat insulating shell; 13. a heat preservation layer; 2. a gas sensor; 21. an air inlet pipe; 22. an air outlet pipe; 3. a gas flow meter; 4. a first temperature control assembly; 41. a first temperature sensor; 42. a temperature adjusting part; 421. a blower; 422. a first heating wire; 43. a heat dissipation part; 431. a heat sink; 4311. a connecting rod; 432. an electric push rod; 5. a second temperature control assembly; 51. a second temperature sensor; 52. a second heating wire; 6. and a controller.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2.
The embodiment of the application discloses a semiconductor type sensor module for detecting fuel gas. Referring to fig. 1 and 2, a semiconductor type sensor module for detecting fuel gas includes a housing 1, a fuel gas sensor 2, a gas flowmeter 3, a first temperature control component 4, a second temperature control component 5 and a controller 6, the fuel gas sensor 2 is semiconductor type and is fixedly arranged inside the housing 1, two ends of the fuel gas sensor 2 are communicated with an air inlet pipe 21 and an air outlet pipe 22, the air inlet pipe 21 and the air outlet pipe 22 are fixedly arranged on the housing 1 in a penetrating manner, the gas flowmeter 3 is arranged inside the housing 1 and is arranged on the air inlet pipe 21, the first temperature control component 4 and the second temperature control component 5 are arranged inside the housing 1 and are electrically connected with the controller 6, the controller 6 is fixedly arranged on the outer side wall of the housing 1, the first temperature control component 4 is used for regulating and controlling the temperature inside the housing 1, and the second temperature control component 5 is used for regulating and controlling the temperature of detected gas.
When the gas meter is used, the gas to be measured is introduced into the gas inlet pipe 21, the gas to be measured is discharged from the gas outlet pipe 22 through the gas sensor 2, the gas sensor 2 measures the gas of the gas to be measured, the gas flowmeter 3 measures the flow of the gas to be measured, the first temperature control component 4 regulates and controls the temperature in the shell 1, the second temperature control component 5 regulates and controls the temperature of the gas to be measured, and the semiconductor type gas sensor 2 is convenient to use in a constant temperature range.
Referring to fig. 2, the casing 1 is rectangular box-shaped and hollow in the inside, the casing 1 is horizontally arranged, and the heat insulation layer 13 is fixedly arranged on the inner side wall. The gas sensor 2 is positioned in the middle of the casing 1, and the gas inlet pipe 21 and the gas outlet pipe 22 are respectively arranged at one end of the casing 1 in a penetrating way in the length direction. The controller 6 is located on the top surface of the cabinet 1.
The first temperature control assembly 4 includes a first temperature sensor 41, a temperature adjusting part 42 and a heat dissipating part 43, the first temperature sensor 41 is fixedly disposed on the top surface inside the casing 1, the first temperature sensor 41 is electrically connected with the controller 6, the first temperature sensor 41 is used for measuring the temperature inside the casing 1, and outputting a first temperature signal to the controller 6.
The temperature adjusting part 42 comprises a fan 421 and a first heating wire 422, the fan 421 is fixedly arranged at one end of the length direction of the shell 1, which is far away from the air inlet pipe 21, the blowing direction of the fan 421 faces the gas sensor 2, and the fan 421 is electrically connected with the controller 6; the first heating wire 422 is located between the fan 421 and the gas sensor 2, and is located at one side close to the fan 421, the first heating wire 422 is in a snake shape and is fixedly connected with the shell 1 through the net rack, the first heating wire 422 is vertically arranged and is electrically connected with the controller 6, and the controller 6 responds to the first temperature signal to control the fan 421 and the first heating wire 422 to be electrified or powered off.
When the first temperature signal is within the set range, the controller 6 controls the fan 421 and the first heating wire 422 to be powered off; when the first temperature signal is lower than the lower limit of the set range, the controller 6 controls the fan 421 and the first heating wire 422 to be electrified; when the first temperature signal is higher than the upper limit of the set range, the controller 6 controls the blower 421 to be powered on and controls the first heating wire 422 to be powered off.
Referring to fig. 1, the heat dissipation portion 43 includes a plurality of heat dissipation fins 431 and an electric push rod 432, the heat dissipation fins 431 are provided with a plurality of rectangular plates, the top surface of the casing 1 is provided with a plurality of heat dissipation holes 11 adapted to the heat dissipation fins 431, the heat dissipation holes 11 are in one-to-one correspondence with the heat dissipation fins 431 and penetrate through the wall thickness of the casing 1, the length directions of the plurality of heat dissipation holes 11 are arranged in parallel and are all arranged in parallel with the length direction of the casing 1, and one side of the length direction of the heat dissipation fins 431 is hinged with the casing 1.
The plurality of cooling fins 431 are hinged with a connecting rod 4311 together, the connecting rod 4311 is in a rectangular rod shape, the length direction of the connecting rod 4311 is perpendicular to the length direction of the cooling fins 431, the hinge position of the connecting rod 4311 and the cooling fins 431 is located at one side of the cooling fins 431 away from the hinge position of the cooling fins 431 and the machine shell 1, and the area surrounded by the adjacent two cooling fins 431, the connecting rod 4311 and the machine shell 1 is in a parallelogram shape.
The electric push rod 432 is hinged to the top surface of the shell 1 and is located at one end of the length direction of the cooling fin 431, the expansion direction of the electric push rod 432 is perpendicular to the length direction of the cooling fin 431, the output end of the electric push rod 432 is hinged to one end, close to the electric push rod 432, of the cooling fin 431 located in the middle, the hinged position of the electric push rod 432 and the cooling fin 431 is located at one side, far away from the hinged position of the cooling fin 431 and the shell 1, the electric push rod 432 is electrically connected with the controller 6, the controller 6 is used for controlling expansion and contraction of the electric push rod 432, and when the electric push rod 432 is in a contracted state, the cooling fin 431 is located in the cooling hole 11.
When in use, the first temperature sensor 41 measures the temperature in the casing 1 and outputs a first temperature signal to the controller 6, and when the first temperature signal is in a set range, the controller 6 controls the fan 421, the first heating wire 422 and the electric push rod 432 to be powered off; when the first temperature signal is lower than the lower limit of the set range, the controller 6 controls the fan 421 and the first heating wire 422 to be electrified and controls the electric push rod 432 to be powered off, the fan 421 blows wind through the first heating wire 422, so that the air in the machine shell 1 is heated through the first heating wire 422 and circulated, and the temperature in the machine shell 1 is uniformly increased; when the first temperature signal is higher than the upper limit of the set range, the controller 6 controls the fan 421 and the electric push rod 432 to be powered on, and controls the first heating wire 422 to be powered off, the controller 6 controls the electric push rod 432 to extend out and drive one of the cooling fins 431 to rotate, one cooling fin 431 drives the other cooling fins 431 to synchronously rotate through the connecting rod 4311, so that the plurality of cooling holes 11 are opened, the fan 421 blows air out of the cooling holes 11, and the temperature inside the casing 1 is reduced in an air cooling mode, so that the gas sensor 2 is convenient to use in a constant temperature range.
Referring to fig. 2, the second temperature control assembly 5 includes a second temperature sensor 51 and a second heating wire 52, the second temperature sensor 51 is fixedly disposed inside the air inlet pipe 21 at one end of the casing 1, the second temperature sensor 51 is electrically connected to the controller 6, the second temperature sensor 51 is used for measuring the temperature of the gas to be measured in the air inlet pipe 21, and outputting a second temperature signal to the controller 6.
The second heating wire 52 is spiral and sleeved on the part of the air inlet pipe 21 located in the casing 1, the second heating wire 52 is fixedly connected with the casing 1 and is electrically connected with the controller 6, and the controller 6 responds to the second temperature signal to control the power-on or power-off of the second heating wire 52. The portion of the intake pipe 21 corresponding to the second heating wire 52 is also spiral.
The second heating wire 52 is covered with a heat insulating shell 12, the heat insulating shell 12 is rectangular box-shaped and hollow, one side of the heat insulating shell 12 is fixedly connected with the top of the machine shell 1, and the part of the air inlet pipe 21 opposite to the second heating wire 52 is also positioned in the heat insulating shell 12.
When the second temperature signal is lower than the set value, the controller 6 controls the second heating wire 52 to be energized.
In use, the second temperature sensor 51 measures the temperature of the measured gas entering the gas inlet pipe 21 and outputs a second temperature signal to the controller 6, and when the second temperature signal is lower than a set value, the controller 6 controls the second heating wire 52 to be electrified, and the second heating wire 52 heats the measured gas in the gas inlet pipe 21, so that the measurement of the gas sensor 2 is not easily affected by the temperature of the measured gas.
The implementation principle of the semiconductor type sensor module for detecting fuel gas in the embodiment of the application is as follows: when the gas sensor is used, the gas to be measured is introduced into the gas inlet pipe 21, the first temperature sensor 41 measures the temperature in the shell 1 and outputs a first temperature signal, the second temperature sensor 51 measures the temperature of the gas to be measured and outputs a second temperature signal, the controller 6 controls the fan 421 to blow hot air or cold air according to the first temperature signal and regulates and controls the temperature in the shell 1 through the hot air or the cold air, so that the temperature in the shell 1 is convenient to regulate and control in a set range, the controller 6 controls the second heating wire 52 to heat the gas to be measured according to the second temperature signal, the influence of the temperature of the gas to be measured on the gas sensor 2 is reduced, and therefore the gas sensor 2 is convenient to use in a constant temperature range, and the sensitivity of the gas sensor 2 is not easy to be influenced by the temperature.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a semiconductor type detects sensor module of gas, includes casing (1), gas flowmeter (3) and semiconductor type's gas sensor (2), gas sensor (2) are located inside casing (1), and both ends communicate respectively has intake pipe (21) and outlet duct (22), intake pipe (21) outlet duct (22) are all fixed wears to establish on casing (1), gas flowmeter (3) set up on intake pipe (21), its characterized in that: the utility model discloses a temperature control device for the electric motor of the electric motor car, including casing (1), casing (1) inside is provided with first temperature control subassembly (4) and controller (6), first temperature control subassembly (4) include first temperature sensor (41) and thermoregulation portion (42), first temperature sensor (41) fixed setting is in the inside of casing (1), and with controller (6) electricity is connected, first temperature sensor (41) are used for measuring the inside temperature of casing (1) to with first temperature signal output arrives controller (6), thermoregulation portion (42) are located in casing (1), and with controller (6) electricity is connected, controller (6) response to first temperature signal control thermoregulation portion (42) are adjusted the temperature in casing (1) is in invariable within range, controller (6) fixed setting is in on the lateral wall of casing (1).
2. A semiconductor type sensor module for detecting fuel gas as claimed in claim 1, wherein: the temperature adjusting part (42) comprises a fan (421) and a first heating wire (422), the fan (421) and the first heating wire (422) are both located on one side of the gas sensor (2) and are both fixedly connected with the shell (1), the first heating wire (422) is located between the fan (421) and the gas sensor (2), the fan (421) and the first heating wire (422) are both electrically connected with the controller (6), and the controller (6) responds to a first temperature signal to control the fan (421) and the first heating wire (422) to be electrified or powered off.
3. A semiconductor type sensor module for detecting fuel gas as claimed in claim 2, wherein: the novel electric radiator is characterized in that a radiating hole (11) is formed in one side of the casing (1), radiating fins (431) are arranged in the radiating hole (11), one side of each radiating fin (431) is hinged to the casing (1), an electric push rod (432) is connected to the other side of each radiating fin, the electric push rod (432) is hinged to the outer side wall of the casing (1), an output end of the electric push rod is hinged to the radiating fins (431), the electric push rod (432) is electrically connected with the controller (6), and the controller (6) is used for controlling the electric push rod (432) to stretch out and draw back.
4. A semiconductor type sensor module for detecting fuel gas as claimed in claim 3, wherein: the heat dissipation device is characterized in that a plurality of heat dissipation holes (11) are formed, the heat dissipation fins (431) are arranged in a plurality of mode and correspond to the heat dissipation holes (11) one by one, one side of each heat dissipation fin (431) is hinged with a connecting rod (4311) jointly, and two adjacent heat dissipation fins (431), the connecting rods (4311) and the casing (1) enclose a parallelogram.
5. A semiconductor type sensor module for detecting fuel gas as claimed in claim 1, wherein: the utility model discloses an air inlet pipe, including casing (1), intake pipe (21), controller (6), casing (1) and casing, intake pipe (21) are located the inside fixed second temperature sensor (51) that is provided with of one end outside casing (1), the inside fixed second heating wire (52) that is provided with of casing (1), second temperature sensor (51) all with controller (6) electricity is connected, second temperature sensor (51) are used for measuring the temperature of the measured gas of letting in intake pipe (21), and are used for outputting second temperature signal to controller (6), second heating wire (52) spiral cover is established on intake pipe (21), controller (6) response second temperature signal control second heating wire (52) circular telegram or outage.
6. The semiconductor type sensor module for detecting fuel gas according to claim 5, wherein: the portion of the air inlet pipe (21) opposite to the second heating wire (52) is spiral.
7. The semiconductor type sensor module for detecting fuel gas according to claim 5, wherein: the part of the second heating wire (52) opposite to the air inlet pipe (21) is covered with a heat insulation shell (12), and the heat insulation shell (12) is fixedly connected with the machine shell (1).
8. A semiconductor type sensor module for detecting fuel gas as claimed in claim 1, wherein: an insulating layer (13) is fixedly arranged inside the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223543025.5U CN219104800U (en) | 2022-12-28 | 2022-12-28 | Semiconductor type sensor module for detecting fuel gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223543025.5U CN219104800U (en) | 2022-12-28 | 2022-12-28 | Semiconductor type sensor module for detecting fuel gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219104800U true CN219104800U (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223543025.5U Active CN219104800U (en) | 2022-12-28 | 2022-12-28 | Semiconductor type sensor module for detecting fuel gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219104800U (en) |
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2022
- 2022-12-28 CN CN202223543025.5U patent/CN219104800U/en active Active
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