CN113237572B - Temperature measuring device - Google Patents
Temperature measuring device Download PDFInfo
- Publication number
- CN113237572B CN113237572B CN202110527122.6A CN202110527122A CN113237572B CN 113237572 B CN113237572 B CN 113237572B CN 202110527122 A CN202110527122 A CN 202110527122A CN 113237572 B CN113237572 B CN 113237572B
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- rotating
- rotating part
- temperature measuring
- drum
- rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/146—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations arrangements for moving thermometers to or from a measuring position
Abstract
The invention relates to the technical field of operation and maintenance of power equipment, and particularly discloses a temperature measuring device which comprises a bracket, a first rotating part, a second rotating part, a conveyor belt, a marking layer and a temperature measuring component. The temperature measuring device provided by the invention can be used for knowing the corresponding temperature of each electric element, and has high detection safety and accuracy.
Description
Technical Field
The invention relates to the technical field of operation and maintenance of power equipment, in particular to a temperature measuring device.
Background
The distribution cabinet (box) transfer power distribution cabinet (box) and the illumination distribution cabinet (box) and the metering cabinet (box) are the final-stage equipment of the distribution system. The power distribution cabinet is a generic name of a motor control center. The power distribution cabinet is used in the occasions with dispersed load and less loops; the motor control center is used for occasions with concentrated load and more loops. They distribute the power of a circuit of the upper-level distribution equipment to nearby loads. This class of equipment should provide protection, monitoring and control of the load.
Some power distribution cabinets can not work normally in extreme weather, for example, in some high-temperature environments or in some environments with large sand wind, the sandy soil can block the heat dissipation net of the power distribution cabinet to cause the phenomenon that internal elements are at high temperature, so that parts in the power distribution cabinet are burnt out to influence the use of the power distribution cabinet. In order to measure the temperature in the switch board working process, can only keep the cabinet door tightly closed, stretch into the survey thing instrument by the staff from the heat dissipation net department and measure, because the switch board is usually electrified when normal operating, if the staff is deep into the switch board inside and is measured the temperature and probably have the risk of electrocuting, if adopt infrared thermoscope, the target position is blocked by other positions easily and influences the detection to the switch board service condition.
Disclosure of Invention
The embodiment of the invention aims to provide a temperature measuring device which is high in detection safety and accuracy.
To achieve the purpose, the embodiment of the invention adopts the following technical scheme:
the utility model provides a temperature measuring device, including support, first rotation portion, second rotation portion, conveyer belt, seal in the mark layer and temperature measurement subassembly, first rotation portion with the second rotation portion rotatable setting is in on the support, the conveyer belt sets up first rotation portion with the outside of second rotation portion, the conveyer belt can follow first rotation portion or the second rotation portion rotates, seal in the mark layer is fixed to be set up the conveyer belt deviates from the outside of the rotation center of first rotation portion, seal in the mark layer can attach at electric element's surface and duplicate electric element's outline and absorb electric element's heat, temperature measurement subassembly sets up seal in the mark layer deviates from the outside of conveyer belt, temperature measurement subassembly is used for detecting seal in the mark layer's temperature.
As a preferred scheme of temperature measuring device, first rotating part includes first motor, first pivot and first rotary drum, first motor with the fixed setting of support, the one end of first pivot with the fixed setting of output shaft of first motor, the other end with first rotary drum rotatable setting, second rotating part includes second motor, second pivot and second rotary drum, the second motor with the fixed setting of support, the one end of second pivot with the fixed setting of output shaft of second motor, the other end with the rotatable setting of second rotary drum, the conveyer belt sets up the second rotary drum with the outside of second rotary drum.
As a preferred scheme of temperature measuring device, still include third rotation portion, third rotation portion includes connecting rod, third pivot and third rotary drum, the rotatable setting of third rotary drum is in the third pivot, the connecting rod is connected first pivot with the third pivot, first pivot with third pivot parallel arrangement, the third rotary drum with hold between the first rotary drum seal layer with the conveyer belt, the third rotary drum butt seal layer.
As a preferable scheme of the temperature measuring device, the third rotating part further comprises a third motor, an output shaft of the third motor is fixedly connected with the third rotating shaft, and the rotating direction of the third rotating drum is opposite to that of the first rotating drum.
As a preferable scheme of the temperature measuring device, the support comprises a fixed rod, a screw tube and a holding rod, wherein the first rotating part and the second rotating part are respectively and fixedly arranged at two ends of the fixed rod, the screw rod is vertically arranged with the fixed rod, one end of the screw rod is fixedly connected with the fixed rod, the other end of the screw rod is in threaded connection with the inner wall of the screw tube, and the holding rod is fixedly connected with the outer side of the screw tube.
As one preferable scheme of the temperature measuring device, the number of the first rotating part, the second rotating part, the conveyor belt, the imprinting layer and the temperature measuring component is two, the first rotating part, the second rotating part, the conveyor belt, the imprinting layer and the temperature measuring component are symmetrically arranged on two sides of the spiral tube, and the inner wall thread direction of one end of the spiral tube is opposite to the inner wall thread direction of the other end of the spiral tube.
As a preferable scheme of the temperature measuring device, the bracket further comprises a supporting rod and a top plate, wherein the top plate is fixedly connected with the fixing rod through the supporting rod, and the top plate is arranged on one side, deviating from the screw rod, of the fixing rod.
As a preferred scheme of temperature measuring device, the temperature measuring assembly includes sucking disc, air exhauster, sleeve pipe and thermometer, the air exhauster intercommunication the sucking disc with the sleeve pipe, be provided with in the sleeve pipe the thermometer, the sucking disc is fixed to be set up on the support, just the sucking disc orientation the seal layer.
As a preferable scheme of the temperature measuring device, a cavity structure is arranged in the sucker, a plurality of through holes are formed in the side wall of the cavity structure at intervals, and the cavity structure is communicated with the through holes and the exhaust fan.
As a preferable scheme of the temperature measuring device, the imprinting layer is provided with a groove, and the groove contains plasticine.
The embodiment of the invention has the beneficial effects that:
the temperature measuring device is formed by arranging the support, the first rotating part, the second rotating part, the conveyor belt, the imprinting layer and the temperature measuring component, wherein the first rotating part and the second rotating part are rotatably arranged on the support, the conveyor belt is arranged on the outer sides of the first rotating part and the second rotating part, and the conveyor belt can be driven to rotate along with the first rotating part or the second rotating part when the first rotating part and the second rotating part are driven to rotate. The imprinting layer is fixedly arranged on the outer side of the rotating center of the conveyor belt, which is away from the first rotating part, when the imprinting layer follows the conveyor belt to roll on the surface of the electric element, the imprinting layer can be attached to the surface of the electric element to duplicate the outline of the electric element and absorb the heat of the electric element, and the temperature measuring assembly is arranged on the outer side of the imprinting layer, which is away from the conveyor belt, so that the temperature of the imprinting layer can be detected through the temperature measuring assembly, and the temperature of the electric element is detected. Therefore, after the temperature measuring device provided by the embodiment of the invention stretches into the power distribution cabinet, the outer contours of the electrical elements are duplicated through the imprinting layer on the conveyor belt, the temperature of each outer contour is detected through the temperature measuring assembly, the corresponding temperature of each electrical element can be obtained, the use condition of the electrical element in the power distribution cabinet is analyzed and judged, and the detection safety and accuracy are ensured without opening the cabinet door.
Drawings
The invention is described in further detail below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a temperature measuring device according to an embodiment of the present invention.
In the figure:
1. a bracket; 11. a fixed rod; 12. a screw; 13. a solenoid; 14. a grip; 15. a support rod; 16. a top plate; 2. a first rotating part; 21. a first motor; 22. a first rotating shaft; 23. a first drum; 3. a second rotating part; 31. a second motor; 32. a second rotating shaft; 33. a second drum; 4. a conveyor belt; 5. a imprinting layer; 6. a temperature measuring assembly; 61. a suction cup; 62. an exhaust fan; 63. a sleeve; 64. a thermometer; 7. a third rotating part; 71. a connecting rod; 72. a third rotating shaft; 73. a third drum; 74. and a third motor.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless explicitly specified and limited otherwise, a second feature "above" or "below" a second feature may include both the second and second features being in direct contact, as well as the second and second features not being in direct contact but being in contact by another feature therebetween. Moreover, the "over", "above" and "on" the second feature includes the second feature being directly above and obliquely above the second feature, or simply indicates that the second feature is level higher than the second feature. The second feature being "under", "below" and "beneath" the second feature includes the second feature being directly under and obliquely under the second feature, or simply means that the second feature is less level than the second feature.
Referring to fig. 1, an embodiment of the present invention provides a temperature measuring device, including a bracket 1, a first rotating part 2, a second rotating part 3, a conveyor belt 4, a print layer 5 and a temperature measuring component 6, wherein the first rotating part 2 and the second rotating part 3 are rotatably disposed on the bracket 1, the conveyor belt 4 is disposed outside the first rotating part 2 and the second rotating part 3, the conveyor belt 4 can rotate along with the first rotating part 2 or the second rotating part 3, the print layer 5 is fixedly disposed outside the conveyor belt 4 facing away from the rotation center of the first rotating part 2, the print layer 5 can be attached to the surface of an electrical element to copy the outline of the electrical element and absorb heat of the electrical element, the temperature measuring component 6 is disposed outside the print layer 5 facing away from the conveyor belt 4, and the temperature measuring component 6 is used for detecting the temperature of the print layer 5.
The embodiment of the invention forms a temperature measuring device by arranging a bracket 1, a first rotating part 2, a second rotating part 3, a conveying belt 4, a marking layer 5 and a temperature measuring component 6, wherein the first rotating part 2 and the second rotating part 3 can be rotatably arranged on the bracket 1, the conveying belt 4 is arranged outside the first rotating part 2 and the second rotating part 3, and when the first rotating part 2 and the second rotating part 3 are driven to rotate, the conveying belt 4 can be driven to rotate along with the first rotating part 2 or the second rotating part 3. The seal layer 5 is fixedly arranged on the outer side of the conveyor belt 4, which is away from the rotation center of the first rotating part 2, when the seal layer 5 rolls along the surface of the electrical element along with the conveyor belt 4, the seal layer 5 can be attached to the surface of the electrical element to copy the outer contour of the electrical element and absorb the heat of the electrical element, and the temperature measuring component 6 is arranged on the outer side of the seal layer 5, which is away from the conveyor belt 4, so that the temperature of the seal layer 5 can be detected through the temperature measuring component 6, thereby detecting the temperature of the electrical element.
Therefore, after the temperature measuring device in the embodiment of the invention stretches into the power distribution cabinet, the outer contours of the electrical elements are duplicated through the imprinting layer 5 on the conveyor belt 4, the temperature of each outer contour is detected through the temperature measuring assembly 6, the corresponding temperature of each electrical element can be obtained, and further the use condition of the electrical elements in the power distribution cabinet is analyzed and judged, so that the detection safety and accuracy are ensured without opening a cabinet door.
In one embodiment, referring to fig. 1, the first rotating part 2 includes a first motor 21, a first shaft 22 and a first rotating drum 23, the first motor 21 is fixedly disposed with the bracket 1, one end of the first shaft 22 is fixedly disposed with an output shaft of the first motor 21, the other end is rotatably disposed with the first rotating drum 23, and the rotating speed and the steering direction of the first rotating drum 23 can be controlled by the first motor 21. Similarly, the second rotating part 3 includes a second motor 31, a second rotating shaft 32 and a second rotating drum 33, the second motor 31 is fixedly arranged with the bracket 1, one end of the second rotating shaft 32 is fixedly arranged with an output shaft of the second motor 31, the other end of the second rotating shaft is rotatably arranged with the second rotating drum 33, and the rotating speed and the steering direction of the second rotating drum 33 can be controlled through the second motor 31. The conveyor belt 4 is disposed outside the second drum 33 and the second drum 33, so that the conveying speed and the conveying direction of the print layer 5 on the conveyor belt 4 can be controlled by the first motor 21 and the second motor 31. The first motor 21 and the second motor 31 of the present embodiment may control rotation by presetting a rated rotation speed and a steering, may be connected to a start switch, may control rotation by the start switch, may be provided on the bracket 1, and in addition, the first motor 21 and the second motor 31 may also be connected to a remote control switch to control rotation, which is not particularly limited in the present embodiment.
Further, with continued reference to fig. 1, the temperature measuring device according to the embodiment of the present invention further includes a third rotating portion 7, where the third rotating portion 7 includes a connecting rod 71, a third rotating shaft 72 and a third rotating drum 73, the third rotating drum 73 is rotatably disposed on the third rotating shaft 72, the connecting rod 71 connects the first rotating shaft 22 and the third rotating shaft 72, the first rotating shaft 22 and the third rotating shaft 72 are disposed in parallel, the imprinting layer 5 and the conveyor belt 4 are accommodated between the third rotating drum 73 and the first rotating drum 23, and the third rotating drum 73 abuts against the imprinting layer 5. When the conveyor belt 4 drives the imprinting layer 5 to move along, the third rotating shaft 72 can also flatten the imprinting layer 5 to an initial state while following the movement of the imprinting layer 5, so that the next time the imprinting layer is attached to the electrical component again to copy the outer contour.
Still further, with continued reference to fig. 1, the third rotating portion 7 further includes a third motor 74, an output shaft of the third motor 74 is fixedly connected to the third rotating shaft 72, and the third motor 74 drives the third rotating shaft 72 to rotate, and meanwhile, a rotation direction of the third drum 73 is opposite to a rotation direction of the first drum 23, so that a relative displacement between the third rotating shaft 72 and the imprinting layer 5 can be increased, and a leveling efficiency of the imprinting layer 5 can be accelerated.
In another embodiment, referring to fig. 1, the bracket 1 includes a fixing rod 11, a screw 12, a screw tube 13 and a holding rod 14, wherein a first rotating part 2 and a second rotating part 3 are fixedly provided at two ends of the fixing rod 11, the screw 12 is vertically disposed with the fixing rod 11, one end of the screw 12 is fixedly connected with the fixing rod 11, the other end is in threaded connection with an inner wall of the screw tube 13, and the holding rod 14 is fixedly connected with an outer side of the screw tube 13. According to the embodiment, before the temperature measuring device stretches into the power distribution cabinet, the holding rod 14 is driven to rotate relative to the screw rod 12, the screw rod 12 can be adjusted to retract or stretch out relative to the screw rod 13 by utilizing the threaded matching relation between the screw rod 13 and the screw rod 12, and then the power distribution cabinet with different sizes can be matched, and the electric elements can be attached while stretching into the power distribution cabinet.
Preferably, referring to fig. 1, the number of the first rotating part 2, the second rotating part 3, the conveyor belt 4, the imprinting layer 5 and the temperature measuring assembly 6 is two, and the first rotating part 2, the second rotating part 3, the conveyor belt 4, the imprinting layer 5 and the temperature measuring assembly 6 are symmetrically provided at both sides of the coil 13. According to the embodiment, the outer contours and the corresponding temperature values of the electrical equipment at the two sides of the bracket 1 can be obtained simultaneously through the symmetrically arranged cathode layers, so that the detection efficiency of the temperature measuring device is improved. Meanwhile, the inner wall of one end of the screw tube 13 is opposite to the inner wall of the other end, and the screw tube 13 is rotated to drive the two opposite screws 12 to rotate at the same time, so that the relative retraction or extension displacement of the two screws 12 is regulated, and the width of the temperature measuring device in the embodiment of the invention is regulated.
Still preferably, referring to fig. 1, the support 1 further includes a support rod 15 and a top plate 16, the top plate 16 and the fixing rod 11 are fixedly connected through the support rod 15, the top plate 16 is disposed on a side of the fixing rod 11 facing away from the screw 12, the support rod 15 is used for supporting the conveyor belt 4, the support area of the support rod 15 on the conveyor belt 4 is increased through the top plate 16, and the fit degree of the imprinting layer 5 and the electrical element is increased.
In particular, referring to fig. 1, the temperature measuring assembly 6 comprises a suction cup 61, an exhaust fan 62, a sleeve 63 and a thermometer 64, the suction fan 62 communicates with the suction cup 61 and the sleeve 63, the thermometer 64 is arranged in the sleeve 63, the suction cup 61 is fixedly arranged on the support 1, and the suction cup 61 faces the imprinting layer 5. The present embodiment sucks air of the imprint layer 5 around the suction cup 61 by the suction fan 62, and the flowing air brings heat at the imprint layer 5 to the sleeve 63 and via the thermometer 64, thereby measuring a temperature value at the imprint layer 5. Compared with the infrared thermometer, the infrared thermometer has larger temperature measuring error on the bright or polished metal surface, and the infrared thermometer is only limited to measuring the external temperature of the object, so that the temperature inside the object and when the obstacle exists is inconvenient to measure, and the thermometer 64 of the embodiment can penetrate the obstacle to obtain the temperature of the object. In actual detection work, mainly find out the biggest electrical component of temperature, even if there is the error in thermometer 64 degrees, according to single variable principle, this embodiment also can screen out the biggest electrical component of temperature, and then carries out subsequent analysis maintenance processing.
Further, a cavity structure is arranged in the sucker 61, a plurality of through holes are arranged at intervals on the side wall of the cavity structure, and the cavity structure is communicated with the through holes and the exhaust fan 62. The through hole of this embodiment can keep the air intercommunication on the one hand, and on the other hand also can isolate debris entering air exhauster 62, plays the effect of protection air exhauster 62.
Optionally, the imprinting layer 5 is provided with a groove, which contains plasticine, which can be used continuously, molded for multiple times, has a lower specific heat capacity than air, and heats up faster than air when absorbing the same heat, and can be used for transferring heat.
In the description herein, it should be understood that the terms "upper," "lower," "right," and the like are used for convenience in description and simplicity of operation only, and are not to be construed as limiting the invention, as the devices or elements referred to must have, be constructed or operated in a particular orientation. Furthermore, the terms "second," "third," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.
In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (5)
1. The temperature measuring device is characterized by comprising a bracket, a first rotating part, a second rotating part, a conveyor belt, a marking layer and a temperature measuring component, wherein the first rotating part and the second rotating part are rotatably arranged on the bracket, the conveyor belt is arranged on the outer sides of the first rotating part and the second rotating part, the conveyor belt can rotate along with the first rotating part or the second rotating part, the marking layer is fixedly arranged on the outer side of the conveyor belt, which is far away from the rotation center of the first rotating part, the marking layer can be attached to the surface of an electric element to copy the outer contour of the electric element and absorb heat of the electric element, the temperature measuring component is arranged on the outer side of the marking layer, which is far away from the conveyor belt, and the temperature measuring component is used for detecting the temperature of the marking layer;
the first rotating part comprises a first motor, a first rotating shaft and a first rotating drum, the first motor and the support are fixedly arranged, one end of the first rotating shaft and an output shaft of the first motor are fixedly arranged, the other end of the first rotating shaft and the first rotating drum are rotatably arranged, the second rotating part comprises a second motor, a second rotating shaft and a second rotating drum, the second motor and the support are fixedly arranged, one end of the second rotating shaft and an output shaft of the second motor are fixedly arranged, the other end of the second rotating shaft and the second rotating drum are rotatably arranged, and the conveyor belt is arranged on the outer sides of the second rotating drum and the second rotating drum;
the printing device comprises a first rotary drum, a second rotary drum, a third rotary drum, a printing layer, a conveying belt, a first rotary shaft, a second rotary shaft, a third rotary shaft and a third rotary shaft, wherein the third rotary portion comprises a connecting rod, the third rotary shaft and the third rotary drum, the third rotary drum is rotatably arranged on the third rotary shaft, the connecting rod is connected with the first rotary shaft and the third rotary shaft, the first rotary shaft and the third rotary shaft are arranged in parallel, the printing layer and the conveying belt are contained between the third rotary drum and the first rotary drum, and the third rotary drum is abutted against the printing layer;
the third rotating part further comprises a third motor, an output shaft of the third motor is fixedly connected with the third rotating shaft, and the rotating direction of the third rotating drum is opposite to the rotating direction of the first rotating drum;
the support comprises a fixed rod, a screw pipe and a holding rod, wherein the first rotating part and the second rotating part are respectively and fixedly arranged at two ends of the fixed rod, the screw rod is perpendicular to the fixed rod, one end of the screw rod is fixedly connected with the fixed rod, the other end of the screw rod is in threaded connection with the inner wall of the screw pipe, and the holding rod is fixedly connected with the outer side of the screw pipe;
the temperature measuring assembly comprises a sucker, an exhaust fan, a sleeve and a thermometer, wherein the exhaust fan is communicated with the sucker and the sleeve, the thermometer is arranged in the sleeve, the sucker is fixedly arranged on the support, and the sucker faces the imprinting layer.
2. The temperature measuring device according to claim 1, wherein the number of the first rotating part, the second rotating part, the conveyor belt, the imprinting layer and the temperature measuring component is two, the first rotating part, the second rotating part, the conveyor belt, the imprinting layer and the temperature measuring component are symmetrically arranged on two sides of the coil, and the inner wall of one end of the coil is opposite to the inner wall of the other end of the coil in the thread direction.
3. The temperature measurement device of claim 1, wherein the bracket further comprises a support rod and a top plate, the top plate and the fixing rod are fixedly connected through the support rod, and the top plate is arranged on one side of the fixing rod, which is away from the screw rod.
4. The temperature measuring device of claim 1, wherein a cavity structure is arranged in the sucker, a plurality of through holes are arranged on the side wall of the cavity structure at intervals, and the cavity structure is communicated with the through holes and the exhaust fan.
5. The temperature measurement device of any one of claims 1 to 4, wherein the imprinting layer is provided with a recess, the recess containing plasticine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110527122.6A CN113237572B (en) | 2021-05-14 | 2021-05-14 | Temperature measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110527122.6A CN113237572B (en) | 2021-05-14 | 2021-05-14 | Temperature measuring device |
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| CN113237572A CN113237572A (en) | 2021-08-10 |
| CN113237572B true CN113237572B (en) | 2023-06-23 |
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| CN202110527122.6A Active CN113237572B (en) | 2021-05-14 | 2021-05-14 | Temperature measuring device |
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| CN114720509B (en) * | 2022-06-08 | 2022-08-26 | 苏州芯镁信电子科技有限公司 | Gas detection assembly and preparation method thereof |
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| CN113237572A (en) | 2021-08-10 |
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