CN217425332U - Heat dissipation device of gas sensor - Google Patents
Heat dissipation device of gas sensor Download PDFInfo
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- CN217425332U CN217425332U CN202122231720.7U CN202122231720U CN217425332U CN 217425332 U CN217425332 U CN 217425332U CN 202122231720 U CN202122231720 U CN 202122231720U CN 217425332 U CN217425332 U CN 217425332U
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- heat
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- casing
- gas sensor
- heat dissipation
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- 230000017525 heat dissipation Effects 0.000 title claims description 28
- 230000001681 protective effect Effects 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The utility model discloses a heat abstractor of gas sensor, including the sensor main part, the sensor main part includes the casing, is located the air inlet screen panel at casing top, is located the gas detection component and the connecting wire of casing, the bottom of casing is provided with the conducting strip, the inside of conducting strip is provided with the venthole and is convenient for the line hole that the connecting wire passed, the well upper portion in the outside of casing is provided with heat radiation fins, the lower part in the outside of casing is provided with the protective housing, the bottom of protective housing is provided with the bottom, the inside of protective housing is provided with heat radiation structure, still be provided with temperature monitoring circuit board in the casing; the middle-upper part of the shell is convenient to radiate heat through the radiating fins, the air is exhausted through the air outlet holes and is exhausted to the outside from the exhaust pipe through the exhaust fan while the heat is radiated through the heat-conducting fins, the quick heat radiation of the lower part of the sensor is realized, and the heat is prevented from being taken away from the exhaust pipe through the heat-insulating layer, and meanwhile, partial heat returns to the inside of the protective shell.
Description
Technical Field
The utility model relates to a gas sensor technical field specifically is a gas sensor's heat abstractor.
Background
The gas sensor is a converter which converts certain gas volume fraction into corresponding electric signals, and the detecting head conditions a gas sample through the gas sensor, generally comprises a display part for filtering impurities and interference gas and drying or refrigerating a processing instrument; when the gas sensor is used, if the temperature of the gas sensor is too high, a certain amount of influence is also caused on a detection result, and in order to avoid the situation, a heat dissipation device of the gas sensor is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, a heat abstractor of gas sensor is provided, the well upper portion of casing through heat radiation fins gives off the heat, give vent to anger through the venthole and when radiating through the conducting strip, take away the heat and discharge the outside from the exhaust pipe through the extraction fan, realize the quick heat dissipation of sensor lower part, part heat gets back to in the protective housing again when avoiding the heat to take away from the exhaust pipe through the insulating layer, and when the extraction fan operates, also can get into inside the detection through the screen panel that admits air with higher speed with external gas, improve the detection progress, also can carry out the protection of certain degree to gas sensor through heat radiation fins and protective housing in addition, gas sensor and ground direct contact when avoiding falling on the ground, reduce the possibility of being broken, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation device of a gas sensor comprises a sensor main body, wherein the sensor main body comprises a shell, an air inlet mesh enclosure positioned at the top of the shell, a gas detection element positioned in the shell and a connecting wire, a heat conducting fin is arranged at the bottom of the shell, an air outlet and a wire hole through which the connecting wire can pass conveniently are formed in the heat conducting fin, a heat dissipation fin is arranged at the middle upper part of the outer side of the shell, a protective shell is arranged at the lower part of the outer side of the shell, a bottom cover is arranged at the bottom of the protective shell, a heat dissipation structure is arranged in the protective shell, and a temperature monitoring circuit board is further arranged in the shell; the connecting wire is connected with an external power supply, the gas sensor is used for introducing gas through the gas inlet mesh enclosure and blocking dust, and then gas detection is carried out through the detection element; change the bottom of casing into the conducting strip, set up the venthole in the conducting strip, when giving vent to anger through the venthole, be convenient for through the conducting strip from the bottom large tracts of land heat dissipation, also be convenient for gas sensor through heat radiation fins and give off the heat through the casing, also can protect gas sensor through heat radiation fins and protective housing, gas sensor and ground direct contact and break when avoiding falling on the ground.
Further, the protective shell comprises an inner ring, an outer ring and a connecting ring, the connecting ring is connected with the top ends of the inner ring and the outer ring, the inner ring, the outer ring and the connecting ring are of an integrated structure, the outer ring is higher than the inner ring, the inner ring is tightly attached to the outer wall of the shell, and the bottom of the outer ring is connected with the bottom cover; the protective shell firstly protects the lower part of the sensor main body, and the outer ring is connected with the bottom cover to form a closed space inside the protective shell.
Furthermore, the heat dissipation structure comprises an air suction fan, an exhaust pipe, a one-way valve and a heat insulation layer, wherein an air suction opening of the air suction fan is over against the air outlet and the heat conducting fins, the air outlet end of the air suction fan is connected with one end of the exhaust pipe, and the exhaust pipe penetrates through the bottom cover and extends to the outside; the sensor main part is giving vent to anger through the venthole and through the radiating while of conducting strip, takes away the heat and discharges to the outside from the exhaust pipe through the extraction fan, realizes the heat dissipation, makes the air current can only go out and can not advance through the check valve, and the transmission is in to the protective housing when avoiding the heat to take away from the exhaust pipe through the insulating layer.
Furthermore, the temperature monitoring circuit board comprises a circuit board, a temperature detection circuit and a metal heat transfer sheet which are arranged on the circuit board, a dial switch and a control chip; the temperature detection circuit is used for detecting the temperature in the sensor body 1, the metal heat transfer sheet is used for contacting a heat source and absorbing heat, the heat is transferred to a thermal resistor in the temperature detection circuit through the circuit board, the dial switch is connected with components of the temperature detection circuit and serves as a control switch, and the control chip serves as a control center.
Furthermore, the exhaust fan is connected with the control chip in series through the dial switch, and the dial switch is controlled through the control chip and controls the exhaust fan.
Compared with the prior art, the beneficial effects of the utility model are that: the bottom of the shell is changed into a heat conducting sheet, air outlet holes are arranged in the heat conducting sheet, when air is discharged through the air outlet holes, large-area heat dissipation is facilitated from the bottom through the heat conducting sheet, the gas sensor is facilitated to radiate heat through the middle upper part of the shell through the heat radiating fins, the sensor body is discharged through the air outlet holes and the heat conducting sheet, simultaneously, the heat is pumped away through the exhaust fan and is exhausted to the outside from the exhaust pipe, the quick heat dissipation of the lower part of the sensor body is realized, the air flow can only go out but not go in through the one-way valve, the heat is prevented from being taken away from the exhaust pipe through the heat insulating layer, partial heat is prevented from returning to the protective shell, when the exhaust fan runs, the external air can be accelerated to enter the internal detection through the air inlet mesh enclosure, the detection progress is improved, in addition, the gas sensor can be protected to a certain degree through the heat radiating fins and the protective shell, and the gas sensor is prevented from being in direct contact with the ground when falling, reducing the possibility of being broken.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the protective casing of the present invention.
In the figure: 1. the sensor comprises a sensor body, 101, a shell, 102, an air inlet mesh enclosure, 103, a gas detection element, 104, a connecting wire, 2, a heat conducting fin, 3, an air outlet, 4, a heat radiating fin, 5, a protective shell, 501, an inner ring, 502, an outer ring, 503, a connecting ring, 6, a bottom cover, 7, a heat radiating structure, 701, an exhaust fan, 702, an exhaust pipe, 703, a one-way valve, 704, a heat insulating layer, 8 and a temperature monitoring circuit board.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "up and down", "left and right", "front and back", "left", "right", "front", "back", "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 only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a heat dissipation device of a gas sensor comprises a sensor body 1, wherein the sensor body 1 comprises a shell 101, an air inlet mesh enclosure 102 positioned at the top of the shell 101, a gas detection element 103 positioned in the shell 101 and a connecting wire 104, a heat conduction sheet 2 is arranged at the bottom of the shell 101, an air outlet 3 and a wire hole through which the connecting wire 104 can pass conveniently are formed in the heat conduction sheet 2, heat dissipation fins 4 are arranged at the middle upper part of the outer side of the shell 101, a protective shell 5 is arranged at the lower part of the outer side of the shell 101, a bottom cover 6 is arranged at the bottom of the protective shell 5, a heat dissipation structure 7 is arranged in the protective shell 5, and a temperature monitoring circuit board 8 is further arranged in the shell 101; the connecting wire 104 is connected with an external power supply, the gas sensor is used for introducing air through the air inlet mesh enclosure 102 and blocking dust, and then gas detection is carried out through the detection element 103; change the bottom of casing 101 into conducting strip 2, set up venthole 3 in the conducting strip 2, when giving vent to anger through venthole 3, be convenient for from the large tracts of land heat dissipation of bottom through conducting strip 2, also be convenient for gas sensor through casing 101 through heat radiation fins 4 and give off the heat, also can protect gas sensor through heat radiation fins 4 and protective housing 5, gas sensor and ground direct contact and break when avoiding falling on the ground.
The protective shell 5 comprises an inner ring 501, an outer ring 502 and a connecting ring 503, the connecting ring 503 is connected with the top ends of the inner ring 501 and the outer ring 502, the inner ring 501, the outer ring 502 and the connecting ring 503 are of an integrated structure, the outer ring 502 is higher than the inner ring 501, the inner ring 501 is tightly attached to the outer wall of the shell 101, and the bottom of the outer ring 501 is connected with the bottom cover 6; the protective case 5 first protects the lower portion of the sensor body 1, and the outer ring 501 is coupled to the bottom cover 6 to form a closed space inside the protective case 5.
The heat dissipation structure 7 comprises an air suction fan 701, an exhaust duct 702, a one-way valve 703 and a heat insulation layer 704, wherein an air suction opening of the air suction fan 701 faces the air outlet 3 and the heat conducting fins 2, the air exhaust opening end of the air suction fan 701 is connected with one end of the exhaust duct 702, and the exhaust duct 702 penetrates through the bottom cover 6 and extends to the outside; the sensor body 1 is giving vent to anger through the venthole 3 and through the heat dissipation of conducting strip 2, takes out the heat and discharges to the outside from exhaust pipe 702 through induced draft fan 701, realizes the heat dissipation, makes the air current can only go out not to advance through check valve 703, avoids heat to transmit to in the protective housing 1 when taking away from exhaust pipe 702 through insulating layer 704.
The temperature monitoring circuit board 8 comprises a circuit board, a temperature detection circuit and a metal heat transfer sheet which are arranged on the circuit board, a dial switch and a control chip; the temperature detection circuit is used for detecting the temperature in the sensor body 1, the metal heat transfer sheet is used for contacting a heat source and absorbing heat, the heat is transferred to a thermal resistor in the temperature detection circuit through the circuit board, the dial switch is connected with components of the temperature detection circuit and serves as a control switch, and the control chip serves as a control center.
The extractor fan 703 is connected in series with the control chip through the dial switch, and the dial switch is controlled through the control chip and controls the extractor fan 703.
When in use: the connecting wire 104 is connected with an external power supply, the gas sensor is used for introducing air and blocking dust through the air inlet mesh enclosure 102, then gas detection is carried out through the detection element 103, firstly, the bottom of the shell 101 is changed into the heat conducting fin 2, the air outlet hole 3 is formed in the heat conducting fin 2, large-area heat dissipation from the bottom is facilitated through the heat conducting fin 2 while air is discharged through the air outlet hole 3, and heat dissipation from the middle upper part of the shell 101 is facilitated through the heat dissipation fins 4; the temperature detection circuit is used for detecting the temperature in the sensor body 1, the metal heat transfer sheet is used for contacting a heat source and absorbing heat, the heat is transferred to a thermal resistor in the temperature detection circuit through the circuit board, the dial switch is connected with components of the temperature detection circuit and serves as a control switch, the control chip serves as a control center, the sensor body 1 exhausts air through the air outlet hole 3 and dissipates heat through the heat conduction sheet 2, meanwhile, the heat is extracted away through the exhaust fan 701 and exhausted to the outside from the exhaust pipe 702, rapid heat dissipation at the lower part of the sensor body 1 is realized, airflow can only be exhausted but cannot enter through the one-way valve 703, partial heat is prevented from being taken away from the exhaust pipe 702 through the heat insulation layer 704 and returns to the protective shell 1, when the exhaust fan 701 operates, the external air can be accelerated to enter the inside detection through the air inlet mesh enclosure 102, the detection progress is improved, and in addition, the gas sensor can be protected to a certain degree through the heat dissipation fins 4 and the protective shell 5, the gas sensor is prevented from being in direct contact with the ground when falling to the ground, and the possibility of being broken is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a heat abstractor of gas sensor, includes the sensor main part, the sensor main part includes the casing, is located the screen panel that admits air at casing top, is located gaseous detecting element and the connecting wire of casing, its characterized in that: the heat dissipation device comprises a shell and is characterized in that a heat conducting fin is arranged at the bottom of the shell, an air outlet and a wire hole through which a connecting wire can conveniently pass are formed in the heat conducting fin, heat dissipation fins are arranged on the middle upper portion of the outer side of the shell, a protective shell is arranged on the lower portion of the outer side of the shell, a bottom cover is arranged at the bottom of the protective shell, a heat dissipation structure is arranged in the protective shell, and a temperature monitoring circuit board is further arranged in the shell.
2. The heat dissipating device for a gas sensor according to claim 1, wherein: the protective housing comprises an inner ring, an outer ring and a connecting ring, the connecting ring is connected with the top ends of the inner ring and the outer ring, the inner ring, the outer ring and the connecting ring are of an integral structure, the outer ring is higher than the inner ring, the inner ring is tightly attached to the outer wall of the housing, and the bottom of the outer ring is connected with the bottom cover.
3. The heat sink for gas sensor according to claim 1, wherein: the heat dissipation structure comprises an exhaust fan, an exhaust pipe, a one-way valve and a heat insulation layer, wherein an exhaust opening of the exhaust fan is right opposite to the air outlet and the heat conduction fins, an exhaust opening end of the exhaust fan is connected with one end of the exhaust pipe, and the exhaust pipe penetrates through the bottom cover and extends to the outside.
4. The heat sink for gas sensor according to claim 3, wherein: the temperature monitoring circuit board comprises a circuit board, a temperature detection circuit and a metal heat transfer sheet which are arranged on the circuit board, a dial switch and a control chip.
5. The heat sink for gas sensor according to claim 4, wherein: the exhaust fan is connected with the control chip in series through the dial switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122231720.7U CN217425332U (en) | 2021-09-15 | 2021-09-15 | Heat dissipation device of gas sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122231720.7U CN217425332U (en) | 2021-09-15 | 2021-09-15 | Heat dissipation device of gas sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217425332U true CN217425332U (en) | 2022-09-13 |
Family
ID=83170359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122231720.7U Active CN217425332U (en) | 2021-09-15 | 2021-09-15 | Heat dissipation device of gas sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217425332U (en) |
-
2021
- 2021-09-15 CN CN202122231720.7U patent/CN217425332U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240927 Address after: Building 4, No. 1588 Xinyang Road, Lingang New Area, China (Shanghai) Pilot Free Trade Zone, Pudong New Area, Shanghai, November 2013 Patentee after: Shanghai Yuankuang Intelligent Technology Co.,Ltd. Country or region after: China Address before: 450000 No. 3a09, 4th floor, building 1, Henan National University Science Park, No. 11, Changchun Road, high tech Development Zone, Zhengzhou City, Henan Province Patentee before: Zhengzhou Houchen Internet of things Technology Co.,Ltd. Country or region before: China |