CN212871506U - Protection device for switch cabinet low-potential temperature measurement temperature sensor - Google Patents
Protection device for switch cabinet low-potential temperature measurement temperature sensor Download PDFInfo
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- CN212871506U CN212871506U CN202022194087.4U CN202022194087U CN212871506U CN 212871506 U CN212871506 U CN 212871506U CN 202022194087 U CN202022194087 U CN 202022194087U CN 212871506 U CN212871506 U CN 212871506U
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Abstract
The utility model belongs to the technical field of the electrical equipment temperature measurement, especially, relate to a cubical switchboard low potential temperature measurement temperature sensor protection device. The temperature sensor comprises an external protection fixed layer arranged outside the temperature sensor and an air suction hole arranged on the external protection fixed layer; the outer wall of the temperature sensor is wrapped by a heat conduction layer, and a temperature uniform layer is further arranged between the heat conduction layer and the external protection fixing layer. Therefore, the utility model has the advantages of as follows: 1. the temperature uniform layer and the heat insulation layer can effectively ensure that the temperature of the sensor is consistent with the surface temperature of the measured object, improve the measurement precision and reduce the influence of environmental disturbance on the measurement result; 2. the vacuum chuck of outside protective layer results can be with sensor and fixed knot construct direct fixation on the testee surface, need not to paste, and is reliable and stable.
Description
Technical Field
The utility model belongs to the technical field of the electrical equipment temperature measurement, especially, relate to a cubical switchboard low potential temperature measurement temperature sensor protection device.
Background
The traditional temperature measurement mode requires that a sensor is adhered to the surface of a high-voltage main loop, so that electric field distortion is easily caused, and a new insulation problem is caused. However, since the temperature of the low potential element is far lower than the temperature of the main loop, the reverse calculation result is extremely sensitive to the measurement error of the temperature sensor, and false alarm can be caused once the sensor loosens due to the vibration of the cabinet body or is corroded and poorly contacted by moisture, which brings inconvenience to the operation and maintenance of the switch cabinet.
Therefore, how to ensure that the measurement result of the temperature sensor is accurate and reliable and the temperature sensor is not damaged by external force in the switch cabinet with a severe working environment is an important link for measuring the low-potential temperature.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a cubical switchboard low potential temperature measurement temperature sensor protection device guarantees the accuracy of temperature sensor when carrying out the temperature measurement to cubical switchboard low potential component to improve temperature sensor stability and reliability.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a cubical switchboard low potential temperature measurement temperature sensor protection device which characterized in that: the temperature sensor comprises an external protection fixed layer arranged outside the temperature sensor and an air suction hole arranged on the external protection fixed layer; the outer wall of the temperature sensor is wrapped by a heat conduction layer, and a temperature uniform layer is further arranged between the heat conduction layer and the external protection fixing layer.
In the protection device for the switch cabinet low-potential temperature measurement temperature sensor, an inner heat insulation layer is further arranged between the outer protection fixing layer and the temperature uniform layer.
In the protection device for the switch cabinet low-potential temperature measurement temperature sensor, a waterproof layer is further arranged between the external protection fixing layer and the internal heat insulation layer.
In foretell cubical switchboard low potential temperature measurement temperature sensor protection device, still be equipped with outer heat preservation between outside protection fixed bed and the waterproof layer, be equipped with the space between outside protection fixed bed and the outer heat preservation.
In the protection device for the switch cabinet low-potential temperature measurement temperature sensor, the temperature uniform layer is 0.5-1 mm thick and is trapezoidal, an aluminum foil layer or a tin foil layer is adopted, and the heat conduction layer is an MG-11 heat conduction adhesive layer.
In foretell cubical switchboard low potential temperature measurement temperature sensor protection device, interior heat preservation and outer heat preservation are the adiabatic heat preservation, adopt the butadiene-acrylonitrile rubber layer, and thickness is 2 ~ 3mm, and the waterproof layer is high density polyethylene HDPE impervious film layer, thickness 1 ~ 2 mm.
In the protection device for the switch cabinet low-potential temperature measurement temperature sensor, the external protection fixing layer is a vacuum sucker structure formed by the vacuum sucker and the air exhaust hole, and a gap between the vacuum sucker and the external heat insulation layer is air.
Therefore, the utility model has the advantages of as follows:
1. the temperature uniform layer and the heat insulation layer can effectively ensure that the temperature of the sensor is consistent with the surface temperature of the measured object, improve the measurement precision and reduce the influence of environmental disturbance on the measurement result;
2. the vacuum chuck of outside protective layer results can be with sensor and fixed knot construct direct fixation on the testee surface, need not to paste, and is reliable and stable.
Drawings
Fig. 1 is a structure diagram of a protection device for a low potential temperature measurement temperature sensor according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments and the accompanying drawings.
In the figure, 1 temperature sensor, 2 heat-conducting adhesives, 3 temperature uniform layers, 4 internal heat-insulating layers, 5 waterproof layers, 6 external heat-insulating layers, 7 air, 8 vacuum chucks and 9 air extraction holes.
Fig. 1 shows an embodiment of the protection device for a low-potential temperature measuring temperature sensor of a switch cabinet, which is composed of 9 subdivided portions. 1 is a protected object, namely a temperature sensor, in particular a Pt1000 temperature sensor; selecting a 0.5mm aluminum foil as a temperature uniform layer 3, wherein the center of the aluminum foil is adhered to the surface of the sensor 1 by MG-11 heat-conducting glue 2, and the rest gaps are filled with the MG-11 heat-conducting glue 2; selecting a 2mm nitrile rubber sheet as an inner heat-insulating layer 4, and sticking the nitrile rubber sheet on the surface of the surface temperature uniform layer 3 through an adhesive; a 1mm high-density polyethylene HDPE anti-seepage film is selected as a waterproof layer 5 and is adhered to the surface of the inner heat-insulating layer 4 by an adhesive; the outer heat-insulating layer 6 is the same as the inner heat-insulating layer 4 and is adhered to the surface of the waterproof layer by an adhesive; vacuum chuck 8 constitutes the vacuum chuck structure as outside protection fixed bed with aspirating hole 9, and the vacuum chuck material is butadiene acrylonitrile rubber, covers in structure 1 ~ 6 outsidely, remains air 7 between vacuum chuck 8 and the outer heat preservation 6, and air 7 formation vacuum is taken out through aspirating hole 9 during the use, makes vacuum chuck 8 to protection device 2 ~ 6, temperature sensor 1 and measured object surface production pressure to make sensor and protection device wholly adsorb in the measured object surface.
Claims (7)
1. The utility model provides a cubical switchboard low potential temperature measurement temperature sensor protection device which characterized in that: the temperature sensor comprises an external protection fixed layer arranged outside the temperature sensor and an air suction hole arranged on the external protection fixed layer; the outer wall of the temperature sensor is wrapped by a heat conduction layer, and a temperature uniform layer is further arranged between the heat conduction layer and the external protection fixing layer.
2. The protection device for the switch cabinet low-potential temperature measurement temperature sensor according to claim 1, wherein: an inner heat-insulating layer is also arranged between the external protection fixing layer and the temperature uniform layer.
3. The protection device for the switch cabinet low-potential temperature measurement temperature sensor according to claim 1, wherein: a waterproof layer is also arranged between the external protection fixing layer and the internal heat insulation layer.
4. The protection device for the switch cabinet low-potential temperature measurement temperature sensor according to claim 1, wherein: an outer heat-insulating layer is further arranged between the outer protection fixing layer and the waterproof layer, and a gap is formed between the outer protection fixing layer and the outer heat-insulating layer.
5. The protection device for the switch cabinet low-potential temperature measurement temperature sensor according to claim 1, wherein: the temperature uniform layer is 0.5-1 mm thick and trapezoidal, and adopts an aluminum foil layer or a tin foil layer, and the heat conduction layer adopts an MG-11 heat conduction adhesive layer.
6. The protection device for the switch cabinet low-potential temperature measurement temperature sensor according to claim 1, wherein: the inner heat-insulating layer and the outer heat-insulating layer are heat-insulating layers, the butyronitrile rubber layer is adopted, the thickness is 2-3 mm, and the waterproof layer is a high-density polyethylene HDPE anti-seepage film layer, and the thickness is 1-2 mm.
7. The protection device for the switch cabinet low-potential temperature measurement temperature sensor according to claim 1, wherein: the external protection fixing layer is a vacuum chuck structure formed by a vacuum chuck and an air exhaust hole, a gap between the vacuum chuck and the external heat insulation layer is air, and the air is exhausted through the air exhaust hole to form vacuum during use, so that the vacuum chuck generates pressure on the surfaces of the protection device, the temperature sensor and the measured object, and the sensor and the protection device are integrally adsorbed on the surface of the measured object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022194087.4U CN212871506U (en) | 2020-09-28 | 2020-09-28 | Protection device for switch cabinet low-potential temperature measurement temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022194087.4U CN212871506U (en) | 2020-09-28 | 2020-09-28 | Protection device for switch cabinet low-potential temperature measurement temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212871506U true CN212871506U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022194087.4U Active CN212871506U (en) | 2020-09-28 | 2020-09-28 | Protection device for switch cabinet low-potential temperature measurement temperature sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115854614A (en) * | 2023-03-03 | 2023-03-28 | 北京美科特节能技术有限公司 | Multi-node temperature control system of carbon dioxide industrial heat pump system |
| EP4105622B1 (en) * | 2021-06-15 | 2023-12-13 | TE Connectivity Sensors France | Temperature sensor device with insulating housing |
-
2020
- 2020-09-28 CN CN202022194087.4U patent/CN212871506U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4105622B1 (en) * | 2021-06-15 | 2023-12-13 | TE Connectivity Sensors France | Temperature sensor device with insulating housing |
| CN115854614A (en) * | 2023-03-03 | 2023-03-28 | 北京美科特节能技术有限公司 | Multi-node temperature control system of carbon dioxide industrial heat pump system |
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