CN109425438B - Temperature measuring device and switch cabinet using same - Google Patents
Temperature measuring device and switch cabinet using same Download PDFInfo
- Publication number
- CN109425438B CN109425438B CN201710725831.9A CN201710725831A CN109425438B CN 109425438 B CN109425438 B CN 109425438B CN 201710725831 A CN201710725831 A CN 201710725831A CN 109425438 B CN109425438 B CN 109425438B
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- CN
- China
- Prior art keywords
- conducting plate
- busbar
- temperature measuring
- heat conducting
- measuring device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009529 body temperature measurement Methods 0.000 claims description 19
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 9
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004080 punching Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Images
Classifications
-
- 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
- G01K1/16—Special arrangements for conducting heat from the object to the sensitive element
Abstract
The invention relates to a temperature measuring device and a switch cabinet using the same. The temperature measuring module is fixed on the connecting piece of the busbar connecting end through the heat conducting plate, the temperature of the busbar connecting end can be effectively sensed, the heat conducting plate shares the connecting piece of the busbar connecting end, the cost is saved, meanwhile, punching on the busbar is avoided, and the working efficiency is improved.
Description
Technical Field
The invention relates to a temperature measuring device and a switch cabinet using the same.
Background
The switch cabinet is an important electrical device for power generation, transmission, distribution and electric energy control in an electric power system, and the working reliability of the switch cabinet is related to the safe operation of the whole power grid system. Two female arranging in the cubical switchboard generally link together through connecting pieces such as bolts, because the female connecting point that arranges in the cubical switchboard appears connecting not hard up or oxidation corrosion scheduling problem easily, female connecting point connecting not hard up or oxidation corrosion can lead to the contact resistance grow, cause the temperature rise to exceed standard to arouse insulating ageing breakdown even, cause major accident. For avoiding the emergence of this kind of accident, it is very important to carry out on-line monitoring, realize predicting in advance to the temperature rise state of the female junction of cubical switchboard, if the chinese utility model patent that the bulletin number is CN205373907U, the bulletin date is 2016.07.06 discloses a high tension switchgear temperature measuring device, this temperature measuring device includes temperature sensor and insulating casing, is equipped with the mounting hole that is used for fixed temperature sensor on the insulating casing, and temperature sensor and insulating casing have constituteed temperature measurement module. Although the temperature measuring device can measure the temperature of the busbar, the temperature measuring device needs to punch holes on the busbar during installation, the integrity of the busbar is damaged, and the labor intensity is increased.
Disclosure of Invention
The invention aims to provide a temperature measuring device, which solves the problems that the integrity of a busbar is damaged and the labor intensity is high because the busbar needs to be punched when the temperature measuring device in the prior art is installed; the invention also aims to provide a switch cabinet using the temperature measuring device.
In order to achieve the above purpose, the first technical solution of the temperature measuring device of the present invention is: the temperature measuring device comprises a temperature measuring module and a heat conducting plate, wherein the temperature measuring module is fixed on the heat conducting plate, and the heat conducting plate is provided with a fixing structure which enables the heat conducting plate to be fixed on a busbar through matching with a connecting piece on the busbar.
The second technical scheme of the temperature measuring device is as follows: on the basis of the first technical scheme of the temperature measuring device, the temperature measuring module is provided with a temperature measuring module mounting hole, the heat conducting plate is provided with a heat conducting plate mounting hole, the temperature measuring device further comprises a fastening piece which is arranged in the temperature measuring module mounting hole and the heat conducting plate mounting hole in a penetrating mode, and the temperature measuring module is fixedly connected with the heat conducting plate through the fastening piece.
The third technical scheme of the temperature measuring device is as follows: on the basis of the second technical scheme of the temperature measuring device, the heat conducting plate mounting hole is a counter bore, and one end with a large aperture of the heat conducting plate mounting hole faces the busbar when being mounted. The nut and the end part of the module connecting bolt are convenient to place.
The fourth technical scheme of the temperature measuring device is as follows: on the basis of the second technical scheme of the temperature measuring device, the temperature measuring module mounting hole is a counter bore, and one end with a large aperture of the temperature measuring module mounting hole is arranged away from the busbar. And the nut is convenient for placing the module connecting bolt.
The fifth technical scheme of the temperature measuring device is as follows: on the basis of the second technical scheme of the temperature measuring device, the number of the temperature measuring module mounting holes is at least two, and the heat conducting plate mounting holes correspond to the temperature measuring module mounting holes one to one. The stability of the temperature measurement module fixed on the heat conducting plate can be increased.
The sixth technical scheme of the temperature measuring device is as follows: on the basis of any one of the second technical scheme to the fifth technical scheme of the temperature measuring device, the fastener is a module connecting bolt. The module connecting bolt is convenient for the disassembly and assembly of the temperature measuring module.
The seventh technical scheme of the temperature measuring device is as follows: on the basis of any one of the first technical scheme to the fifth technical scheme of the temperature measuring device, the heat conducting plate is a copper plate. The copper plate has good heat-conducting property.
The eighth technical scheme of the temperature measuring device is as follows: on the basis of any one of the first to fifth technical schemes of the temperature measuring device, the surface of the heat conducting plate is provided with a silver coating. Silver is the metal with the best heat conducting property, and the silver plated surface can increase the heat conducting property of the heat conducting plate.
The ninth technical scheme of the temperature measuring device is as follows: on the basis of any one of the first to fifth technical solutions of the temperature measuring device of the present invention, the fixing structure is a through hole through which the connecting member passes so that the connecting member presses the heat conducting plate onto the busbar. The through hole has simple structure and convenient processing, and ensures that the heat-conducting plate and the busbar are connected more stably.
In order to achieve the above purpose, the first technical solution of the switch cabinet of the present invention is: the switch cabinet comprises a busbar and a temperature measuring device arranged at the connecting end of the busbar, wherein the temperature measuring device comprises a temperature measuring module, the temperature measuring device further comprises a heat conducting plate, the temperature measuring module is fixed on the heat conducting plate, and the heat conducting plate is provided with a fixing structure which is matched with a connecting piece on the busbar to enable the heat conducting plate to be fixed on the busbar.
The second technical scheme of the switch cabinet is as follows: on the basis of the first technical scheme of the switch cabinet, the temperature measuring module is provided with a temperature measuring module mounting hole, the heat conducting plate is provided with a heat conducting plate mounting hole, the temperature measuring device further comprises a fastening piece which is arranged in the temperature measuring module mounting hole and the heat conducting plate mounting hole in a penetrating mode, and the temperature measuring module is fixedly connected with the heat conducting plate through the fastening piece.
The third technical scheme of the switch cabinet is as follows: on the basis of the second technical scheme of the switch cabinet, the heat-conducting plate mounting hole is a counter bore, and one end with a large aperture of the heat-conducting plate mounting hole faces the busbar when being mounted. The nut and the end part of the module connecting bolt are convenient to place.
The fourth technical scheme of the switch cabinet is as follows: on the basis of the second technical scheme of the switch cabinet, the temperature measuring module mounting hole is a counter bore, and one end with a large aperture of the temperature measuring module mounting hole is arranged away from the busbar. And the nut is convenient for placing the module connecting bolt.
The fifth technical scheme of the switch cabinet is as follows: on the basis of the second technical scheme of the switch cabinet, the number of the temperature measurement module mounting holes is at least two, and the heat conduction plate mounting holes correspond to the temperature measurement module mounting holes one to one. The stability of the temperature measurement module fixed on the heat conducting plate can be increased.
The sixth technical scheme of the switch cabinet is as follows: on the basis of any one of the second technical scheme to the fifth technical scheme of the switch cabinet, the fastener is a module connecting bolt. The module connecting bolt is convenient for the disassembly and assembly of the temperature measuring module.
The seventh technical scheme of the switch cabinet is as follows: on the basis of any one of the first technical scheme to the fifth technical scheme of the switch cabinet, the heat conducting plate is a copper plate. The copper plate has good heat-conducting property.
The eighth technical scheme of the switch cabinet is as follows: on the basis of any one of the first technical scheme to the fifth technical scheme of the switch cabinet, the surface of the heat conducting plate is provided with a silver coating. Silver is the metal with the best heat conducting property, and the silver plated surface can increase the heat conducting property of the heat conducting plate.
The ninth technical scheme of the switch cabinet is as follows: on the basis of any one of the first technical scheme to the fifth technical scheme of the switch cabinet, the fixing structure is a through hole for the connecting piece to pass through so that the connecting piece presses the heat conducting plate on the busbar. The through hole has simple structure and convenient processing, and ensures that the heat-conducting plate and the busbar are connected more stably.
The tenth technical scheme of the switch cabinet is as follows: on the basis of any one of the first technical scheme to the fifth technical scheme of the switch cabinet, the connecting piece is a busbar connecting bolt, and gaskets are arranged between a nut and a busbar of the busbar connecting bolt.
The eleventh technical scheme of the switch cabinet is as follows: on the basis of the tenth technical scheme of the switch cabinet, a washer between a nut of the busbar connecting bolt and the busbar is a flat washer, and a washer between the nut of the busbar connecting bolt and the busbar is a spring washer.
The invention has the beneficial effects that: compared with the prior art, fix the temperature measurement module on the connecting piece of female link of arranging through the heat-conducting plate, not only can effectually respond to the temperature of arranging the link department of arranging, the cost has been saved to the connecting piece of the female link of arranging of heat-conducting plate sharing moreover, has also avoided punching on female arranging simultaneously, has improved work efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a busbar and a temperature measuring device according to a first embodiment of the switch cabinet of the invention;
FIG. 2 is a schematic diagram of a heat-conducting plate of the temperature measuring device of FIG. 1;
FIG. 3 is a schematic structural diagram of a temperature measuring module in the temperature measuring device of FIG. 1;
fig. 4 is a schematic structural diagram of a busbar and a temperature measuring device in a second embodiment of the switch cabinet of the invention;
fig. 5 is a schematic structural diagram of a busbar and a temperature measuring device in a third embodiment of the switch cabinet of the invention;
fig. 6 is a schematic structural diagram of a busbar and a temperature measuring device in a fourth embodiment of the switch cabinet of the invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In a first embodiment of the switch cabinet, as shown in fig. 1, the switch cabinet comprises a first busbar 5, a second busbar 6 and a temperature measuring device, wherein the temperature measuring device comprises a heat conducting plate 1, the surface of the heat conducting plate 1 can be plated with silver to increase heat conductivity, the connecting ends of the first busbar 5 and the second busbar 6 are fixedly connected with the heat conducting plate 1 of the temperature measuring device through busbar connecting bolts 3, the busbar connecting bolts 3 form a connecting piece, and gaskets are arranged between the busbar connecting nuts and the second busbar 6 and between the busbar connecting nuts 4 and the heat conducting plate 1 by the busbar connecting bolts 3, wherein the gasket between the busbar connecting nuts and the second busbar 6 is a flat gasket 7, the gasket between the busbar connecting nuts 4 and the heat conducting plate 1 is a spring gasket 8, and the spring gasket 8 can more stably fixedly connect the heat conducting plate 1 to the connecting ends of the two busbars.
Heat-conducting plate 1 is made for the copper material, as shown in fig. 2, its one end is equipped with the female fixed orifices 12 of arranging connecting bolt 3 complex that is used for with female the arranging link, fixed orifices 12 are the through-hole, the through-hole has been used for on the heat-conducting plate and has been arranged the connecting piece cooperation on arranging and make the heat-conducting plate fix the female fixed knot who arranges in to construct, the other end is equipped with the heat-conducting plate mounting hole 11 that is used for with temperature measurement module 2 fixed connection, heat-conducting plate mounting hole 11 is the counter bore, the step of counter bore is used for placing the tip of fastener, in order to guarantee that the fastener can not bulge the heat-conducting plate 1 and the female contact surface of arranging 5 of first.
As shown in fig. 3, the temperature measuring device further includes a temperature measuring module 2, a temperature sensing element 22 is disposed at a contact position of the temperature measuring module 2 and the heat conducting plate 1, and the temperature sensing element 22 is configured to receive a temperature signal at a connection end of the first busbar 5 and the second busbar 6, which is conducted from the heat conducting plate 1, so as to measure a temperature at the connection end of the two busbars; the temperature measuring module 2 is provided with a temperature measuring module mounting hole 21, the temperature measuring module mounting hole 21 is a counter bore, the temperature measuring module 2 and the heat conducting plate 1 are matched and fixed with the module connecting bolt through the temperature measuring module mounting hole 21 and the heat conducting plate mounting hole 11, the module connecting bolt forms a fastener, the end with the large aperture of the heat conducting plate mounting hole 11 is arranged towards the first bus bar 5 when being mounted, the end with the large aperture of the temperature measuring module mounting hole 21 is arranged away from the first bus bar 5 when being mounted, the nut of the module connecting bolt is positioned on the counter bore step of the temperature measuring module mounting hole 21, the nut and the end part of the module connecting bolt are positioned on the counter bore step of the heat conducting plate mounting hole 11, the structure of the temperature measuring module mounting hole 21 and the heat conducting plate mounting hole 11 is a counter bore, and the condition that the module connecting bolt can not protrude out of the, so that the heat conducting plate 1 is well contacted with the temperature sensing element 22 of the temperature measuring module 2 and the first busbar 5, and the temperature measuring module 2 can effectively obtain the temperature of the position of the busbar connecting end to prepare for cooling. The number of the temperature measuring module mounting holes 21 on the temperature measuring module 2 is four, so that the fixing stability is ensured.
The second embodiment of the switch cabinet of the invention: as shown in fig. 4, the difference from the first embodiment is that the number of the heat-conducting plate mounting holes 11 on the heat-conducting plate 1 is two.
The third specific embodiment of the switch cabinet of the invention: as shown in fig. 5, the difference from the first embodiment is that the washer between the nut 4 and the first busbar 5 is also a flat washer 7.
The fourth specific embodiment of the switch cabinet of the invention: as shown in fig. 6, the difference from the first embodiment is that the fixing structure is a U-shaped groove 13.
The fifth specific embodiment of the switch cabinet of the invention: the difference from the first embodiment is that the heat conducting plate may be a metal heat conducting plate such as an aluminum plate, and in other embodiments, a non-metal heat conducting plate such as graphite may also be used.
In the embodiment of the temperature measuring device of the present invention, the structure of the temperature measuring device is the same as that of any one of the first to fifth embodiments of the switch cabinet, and details are omitted.
In this embodiment, the washer between the nut of the bolt and the busbar is a flat washer, and the washer between the nut and the busbar is a spring washer.
In this embodiment, heat-conducting plate mounting hole and temperature measurement module mounting hole are the counter bore, and the fastener is the bolt, and the step of counter bore is in order to make things convenient for placing of the nut and the nut of bolt, and in other embodiments, heat-conducting plate mounting hole and temperature measurement module mounting hole are the screw hole, fix heat-conducting plate and temperature measurement module together through the screw.
Claims (12)
1. The utility model provides a temperature measuring device, includes temperature measurement module, its characterized in that: the temperature measuring module is fixed on the heat conducting plate, and the heat conducting plate is provided with a fixing structure which is used for being matched with a connecting piece on the busbar to fix the heat conducting plate on the busbar; the temperature measuring device also comprises a fastening piece which is arranged in the temperature measuring module mounting hole and the heat conducting plate mounting hole in a penetrating way, and the temperature measuring module is fixedly connected with the heat conducting plate through the fastening piece; the fastener is a module connecting bolt; the heat-conducting plate mounting hole is a counter bore, and the end with the large aperture of the heat-conducting plate mounting hole faces the busbar when being mounted and is used for placing a nut and an end part of a module connecting bolt; the temperature measurement module mounting hole is a counter bore, and the large-bore end of the temperature measurement module mounting hole deviates from the busbar arrangement during mounting and is used for placing a nut of the module connecting bolt.
2. The temperature measuring device according to claim 1, wherein: the number of the temperature measurement module mounting holes is at least two, and the heat conduction plate mounting holes correspond to the temperature measurement module mounting holes one to one.
3. The temperature measuring device according to claim 1 or 2, wherein: the heat conducting plate is a copper plate.
4. The temperature measuring device according to claim 1 or 2, wherein: and a silver coating is arranged on the surface of the heat conducting plate.
5. The temperature measuring device according to claim 1 or 2, wherein: the fixing structure is a through hole for the connecting piece to pass through so that the connecting piece presses the heat conducting plate on the busbar.
6. The switch cabinet comprises a busbar and a temperature measuring device arranged at the connecting end of the busbar, wherein the temperature measuring device comprises a temperature measuring module and is characterized in that: the temperature measuring device also comprises a heat conducting plate, the temperature measuring module is fixed on the heat conducting plate, and the heat conducting plate is provided with a fixing structure which is matched with a connecting piece on the busbar to fix the heat conducting plate on the busbar; the temperature measuring device also comprises a fastening piece which is arranged in the temperature measuring module mounting hole and the heat conducting plate mounting hole in a penetrating way, and the temperature measuring module is fixedly connected with the heat conducting plate through the fastening piece; the fastener is a module connecting bolt; the heat-conducting plate mounting hole is a counter bore, and the end with the large aperture of the heat-conducting plate mounting hole faces the busbar when being mounted and is used for placing a nut and an end part of a module connecting bolt; the temperature measurement module mounting hole is a counter bore, and the large-bore end of the temperature measurement module mounting hole deviates from the busbar arrangement during mounting and is used for placing a nut of the module connecting bolt.
7. The switchgear cabinet according to claim 6, characterized in that: the number of the temperature measurement module mounting holes is at least two, and the heat conduction plate mounting holes correspond to the temperature measurement module mounting holes one to one.
8. The switchgear cabinet according to claim 6 or 7, characterized in that: the heat conducting plate is a copper plate.
9. The switchgear cabinet according to claim 6 or 7, characterized in that: and a silver coating is arranged on the surface of the heat conducting plate.
10. The switchgear cabinet according to claim 6 or 7, characterized in that: the fixing structure is a through hole for the connecting piece to pass through so that the connecting piece presses the heat conducting plate on the busbar.
11. The switchgear cabinet according to claim 6 or 7, characterized in that: the connecting piece is a busbar connecting bolt, and gaskets are arranged between a nut and a nut of the busbar connecting bolt and the busbar.
12. The switchgear cabinet according to claim 11, characterized in that: the gasket between the nut of the busbar connecting bolt and the busbar is a flat gasket, and the gasket between the nut of the busbar connecting bolt and the busbar is a spring gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725831.9A CN109425438B (en) | 2017-08-22 | 2017-08-22 | Temperature measuring device and switch cabinet using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725831.9A CN109425438B (en) | 2017-08-22 | 2017-08-22 | Temperature measuring device and switch cabinet using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109425438A CN109425438A (en) | 2019-03-05 |
| CN109425438B true CN109425438B (en) | 2021-02-12 |
Family
ID=65497236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710725831.9A Active CN109425438B (en) | 2017-08-22 | 2017-08-22 | Temperature measuring device and switch cabinet using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109425438B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179511A (en) * | 2020-08-14 | 2021-01-05 | 国电南瑞科技股份有限公司 | Temperature monitoring and alarming device for large-current bolt connector and control method thereof |
| CN115764560B (en) * | 2022-12-24 | 2023-07-14 | 法腾电力科技有限公司 | Heat dissipation bus assembly arranged in alternating-current metal enclosed switchgear |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3030212B2 (en) * | 1994-08-03 | 2000-04-10 | 旭テクノグラス株式会社 | Electronic thermometer |
| CN201765069U (en) * | 2010-08-26 | 2011-03-16 | 上海勇顺电气（集团）有限公司 | On-line temperature detection device for electric switch cabinet |
| CN202814583U (en) * | 2012-07-27 | 2013-03-20 | 阳光电源股份有限公司 | Device for testing temperature of current-carrying busbar |
| CN203871678U (en) * | 2014-04-30 | 2014-10-08 | 特变电工衡阳变压器有限公司 | Wireless temperature-detecting centrally-arranged switchgear |
| CN203869791U (en) * | 2014-05-29 | 2014-10-08 | 厦门兴厦控电气有限公司 | Temperature measuring device for busbar of switch cabinet |
-
2017
- 2017-08-22 CN CN201710725831.9A patent/CN109425438B/en active Active
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| Publication number | Publication date |
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| CN109425438A (en) | 2019-03-05 |
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