CN213989814U - Cooling device of high-voltage switch cabinet detection system - Google Patents
Cooling device of high-voltage switch cabinet detection system Download PDFInfo
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- CN213989814U CN213989814U CN202022972684.5U CN202022972684U CN213989814U CN 213989814 U CN213989814 U CN 213989814U CN 202022972684 U CN202022972684 U CN 202022972684U CN 213989814 U CN213989814 U CN 213989814U
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Abstract
The utility model relates to a power distribution device cooling field discloses a cooling device of a high-voltage switch cabinet detection system, which comprises a box body consisting of a left cavity, a heat insulation cavity and a right cavity, wherein the right cavity is divided into a detection cavity and a cooling cavity by a partition plate; the left cavity is divided into a hot water cavity, a control cavity and a cold water cavity by two heat insulation plates from bottom to top; the bottom of the detection cavity is provided with a detection system, and the upper part of the detection cavity is provided with a first temperature sensor; the top of the cooling cavity is provided with a water spraying pipe and a plurality of nozzles at the bottom of the cooling cavity; a water return pump and a water inlet pump are respectively arranged in the hot water cavity and the cold water cavity, and a refrigerating sheet and a second temperature sensor are also arranged in the hot water cavity; the water inlet pump is connected with the water spray pipe, the cooling cavity is communicated with the hot water cavity, and the water return pump is connected to the upper part of the cold water cavity through a water supply pipe to form a water circulation loop; the first temperature sensor and the second temperature sensor are both connected with the controller; the controller is respectively connected with the water return pump and the water inlet pump and connected to the power supply. The utility model discloses a water circulating system and control system cooperation are indirect for detecting system cooling.
Description
Technical Field
The utility model relates to a distribution device field especially relates to a high tension switchgear detecting system's heat sink.
Background
High voltage circuit breakers (high voltage switches) are common and important devices in power systems. However, during the use of the high-voltage switch, some faults often occur, and common fault types include: the action is out of order, the insulation is damaged or bad, the arc extinguishing piece contact breaks down, etc., therefore, a special fault detection system is needed to detect and judge the fault type, and the maintenance is convenient.
Because high-voltage switch and its fault detection system all work in high-voltage power system, can continuously produce the heat when continuously detecting high-voltage switch trouble, can take place the conflagration danger when the heat reaches certain numerical value, consequently need be equipped with the heat sink and handle its cooling, avoid the harm to take place.
The existing cooling method is to continuously cool the fault detection system by a fan, but the continuous cooling method needs the fan to continuously work, which easily causes resource waste, and therefore, a cooling device capable of intermittently cooling needs to be arranged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high tension switchgear detecting system's heat sink solves the wasting of resources problem that current high tension switchgear detecting system's heat abstractor continuation work caused.
The utility model discloses a realize through following scheme:
a cooling device of a high-voltage switch cabinet detection system comprises a box body consisting of a left cavity, a heat insulation cavity and a right cavity, wherein the right cavity is divided into a lower detection cavity and an upper cooling cavity by a partition plate; the left cavity is divided into a hot water cavity, a control cavity and a cold water cavity by two heat insulation plates from bottom to top;
the bottom of the detection cavity is provided with a detection system, and the upper part of the detection cavity is provided with a first temperature sensor; the top of the cooling cavity is provided with a water spraying pipe and a plurality of nozzles at the bottom of the water spraying pipe; a water return pump, a refrigerating sheet and a second temperature sensor are arranged in the hot water cavity; a water inlet pump is arranged in the cold water cavity;
the water inlet pump is connected with the water spray pipe, the cooling cavity is communicated with the hot water cavity through a partition plate, and the water return pump is connected to the upper part of the cold water cavity through a water supply pipe to form a water circulation loop;
a controller connected to a power supply through a cable is arranged in the control cavity, and the first temperature sensor and the second temperature sensor are both connected with the input end of the controller; the control end of the controller is respectively connected to the water return pump, the water inlet pump and the refrigerating sheet.
Furthermore, a plurality of concave channels are arranged on the partition board, one end of each channel, which is close to the hot water cavity, extends outwards and penetrates through the heat insulation cavity to be fixed on the upper part of the hot water cavity, so that the cooling cavity is communicated with the hot water cavity.
Further, a heat insulation material is arranged inside the heat insulation cavity; the clapboard is an aluminum heat absorption plate; the heat insulation plate is a high-strength glass fiber reinforced plastic heat insulation plate.
Further, the heat insulation material is glass fiber, asbestos or rock wool.
Further, the first temperature sensor is a wireless passive temperature sensor and is wirelessly connected with the controller; the second temperature sensor is electrically connected with the controller.
Furthermore, the refrigerating sheet is a semiconductor refrigerating sheet with a waterproof film on the surface.
Furthermore, an access door is arranged on the front wall of the detection cavity; the upper part of the side wall of the cooling cavity is provided with an exhaust hole; the front walls of the hot water cavity and the cold water cavity are respectively provided with a water level window, and the lower parts of the hot water cavity and the cold water cavity are respectively provided with a connector with a valve.
Further, a filter for filtering impurities in the water is arranged at the interface; and a filtering material is fixed in the filter through a filter screen.
Furthermore, a display screen which is connected with the controller and used for displaying the temperature and the working state of the water pump is arranged on the front wall of the control cavity.
The utility model has the advantages that:
the detection system can continuously emit heat in the continuous detection process, and hot air is upwards accumulated; therefore, the partition plate is arranged to collect the emitted heat, so that the cooling treatment is facilitated; the temperature is detected by arranging the first temperature sensor in the detection cavity, and the temperature is transmitted to the controller when reaching a set upper limit, so that the controller controls the water inlet pump to start, the cold water is lifted to the cooling cavity, and the cold water is sprayed on the partition plate through the nozzle at the top of the cooling cavity, so that heat exchange is realized; the hot water cavity is arranged, so that the hot water after heat exchange is collected in the hot water cavity, is subjected to cooling treatment through the semiconductor refrigerating sheet, and is transmitted to the controller when the temperature detected by the second temperature sensor reaches a set lower limit, so that the controller controls the water return pump to start, and the cooled water is lifted to the cold water cavity; the circulation meets the cooling requirement. The utility model discloses a set up water circulating system and control system, through the indirect fault detection system cooling for high tension switchgear of water circulating system and control system cooperation, avoid the emergence of conflagration danger.
Drawings
FIG. 1 is a schematic view of the interior of a cooling device;
FIG. 2 is a schematic view of a separator plate;
FIG. 3 is a schematic view of the exterior of the cooling device;
FIG. 4 is a control system schematic;
in the figure: the system comprises a box body 1, a detection system 2, a first temperature sensor 3, a water spray pipe 4, a nozzle 5, a water return pump 61, a water inlet pump 62, a refrigerating sheet 7, a second temperature sensor 8, a water supply pipe 9 and a controller 10.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
Example 1
A cooling device of a high-voltage switch cabinet detection system is shown in figure 1 and comprises a box body 1 consisting of a left cavity, a heat insulation cavity and a right cavity, wherein the right cavity is divided into a lower detection cavity and an upper cooling cavity by a partition plate; the left cavity is divided into a hot water cavity, a control cavity and a cold water cavity by two heat insulation plates from bottom to top;
specifically, the heat insulation material is placed in the heat insulation cavity, is made of glass fiber, asbestos or rock wool, and can separate the left cavity from the right cavity, so that heat transfer between the detection cavity and the hot water cavity, between the cold water cavity and the cooling cavity, and between the control cavity and the cooling cavity is avoided;
the partition plate in the middle of the right cavity adopts an aluminum heat absorption plate, so that the heat generated by the detection system 2 is conveniently collected in a centralized manner;
the heat insulation plate in the left cavity is a high-strength glass fiber reinforced plastic heat insulation plate which can separate the hot water cavity from the control cavity and ensure the working temperature of the control box device; the heat transmission between the cavity and the cold water cavity can be controlled at intervals, so that the temperature of cold water in the cold water cavity is ensured;
the bottom of the detection cavity is provided with a detection system 2, the upper part of the detection cavity is provided with a first temperature sensor 3 which adopts a wireless passive temperature sensor and has the model of FB-SW-01; the top of the cooling cavity is provided with a water spraying pipe 4 and a plurality of nozzles 5 at the bottom of the water spraying pipe; a water return pump 61, a refrigerating sheet 7 and a second temperature sensor 8 are arranged in the hot water cavity, wherein the water return pump 61 adopts a micro water pump, the refrigerating sheet 7 adopts a semiconductor refrigerating sheet with a waterproof film on the surface, the model is TEC1-12706, and the model of the second temperature sensor 8 is 270-WQ 101; a water inlet pump 62 is arranged in the cold water cavity, and the water inlet pump adopts a micro water pump; first temperature sensor 3, refrigeration piece 7, second temperature sensor 8 are not limited to above-mentioned model, and other models that can be applicable to this application all can be used for this application.
The water inlet pump 62 is connected with the water spray pipe 4, as shown in fig. 2, the partition plate is provided with a plurality of concave channels, one end of each channel, which is close to the hot water cavity, extends outwards, penetrates through the heat insulation cavity and is fixed at the upper end of the hot water cavity, so that the cooling cavity is communicated with the hot water cavity, and the water return pump 61 is connected to the upper part of the cold water cavity through the water supply pipe 9 to form a water circulation loop.
In the water circulation loop, in order to avoid cooling water remaining on the partition plate, a plurality of sunken channels are arranged on the partition plate, and heat exchange water is guided into the hot water cavity after being collected, so that the heat exchange water is convenient to collect.
When in use, the principle of the water circulation part is as follows:
the water inlet pump 62 lifts the cold water to the water spraying pipe 4, the cold water is sprayed on the aluminum heat absorption partition plate through the nozzle 5 at the lower part of the water spraying pipe, so that the cold water exchanges heat with the partition plate, and the cold water after heat exchange flows into the hot water cavity along the partition plate as the cooling cavity is communicated with the cold water cavity; the hot water is cooled by the refrigerating sheet 7 in the hot water cavity, and when the temperature is reduced to the lower temperature limit, the water return pump 61 lifts the cooled water to the cold water cavity, so that the circulation of the water is realized.
The controller 10 is arranged in the control cavity and has the model number of MCS-51; the first temperature sensor 3 is a wireless passive temperature sensor and is wirelessly connected with the controller 10 to realize transmission of upper limit temperature, and the second temperature sensor 8 is electrically connected with the controller 10 to realize transmission of lower limit temperature; the water return pump 61, the water inlet pump 62 and the refrigerating sheet 7 are all electrically connected with the controller 10.
When in use, the principle of the control part is as follows:
the detection system 2 in the detection cavity continuously detects the fault of the high-voltage switch to generate heat, the first temperature sensor 3 continuously detects the temperature in the detection cavity, when the set upper limit temperature is reached, the upper limit temperature is sent to the controller 10, the controller 10 controls the water inlet pump 62 and the refrigerating sheet 7 to be started, cold water is lifted to the water spray pipe 4 and sprayed by the nozzle 5, heat exchange and temperature reduction are carried out, and heat exchange water flows into the hot water cavity;
under the refrigeration action of the refrigeration sheet 7, the temperature of the hot water is gradually reduced, the second temperature sensor 8 detects the water temperature, and when the set lower limit temperature is reached, the lower limit temperature is sent to the controller 10; the controller 10 controls the refrigeration sheet 7 to be closed, the water return pump 61 is started, and the cooled water is lifted to the cold water cavity.
After combining the water circulation system with the control system, referring to fig. 4, the steps and principles are as follows:
at the beginning, setting the upper limit and the lower limit of the temperature of the detection cavity and the lower limit of the water temperature of the hot water cavity; preparing a water amount in the cold water chamber, wherein the water amount can reduce the temperature of the detection chamber from an upper limit to a lower limit;
the detection system 2 continuously detects the fault of the high-voltage switch to generate heat, the first temperature sensor 3 continuously detects the temperature in the detection cavity, when the upper limit temperature is reached, the upper limit temperature is sent to the controller 10, the controller 10 controls the starting of the water inlet pump 62 and the refrigerating sheet 7, cold water is lifted to the water spray pipe 4 and is sprayed by the nozzle 5 to be cooled, and when the temperature of the detection cavity reaches the lower limit, the first temperature sensor 3 transmits the lower limit temperature to the controller 10 and controls the water inlet pump 62 to be closed;
hot water among the heat transfer process flows into hot water chamber along the guide plate, refrigeration piece 7 lasts and refrigerates hot water, when hot water cooling to lower limit temperature, second temperature sensor 8 transmits lower limit temperature to controller 10, controller 10 control refrigeration piece 7 is closed, and control return water pump 61 promotes the water after the cooling to in the cold water chamber, promote after accomplishing, controller 10 control return water pump 61 closes, wait for first temperature sensor 3 to send temperature upper limit signal for controlling it once more, so realize intermittent cooling.
It should be noted that: the return pump 61 and the intake pump 62 actually lift cold water, and thus, are not limited to "hot" and "cold" in the name, but are merely convenient for distinguishing them as two water pumps.
The beneficial effect of this embodiment is: the high-voltage switch detection system can continuously emit heat in the continuous detection process, and hot air is upwards gathered; therefore, the partition plate is arranged to collect the emitted heat, so that the cooling treatment is facilitated; the temperature is detected by arranging the first temperature sensor in the detection cavity, and the temperature is transmitted to the controller when reaching a set upper limit, so that the controller controls the starting of the water inlet pump and the refrigerating sheet, the cold water is lifted to the cooling cavity, and the cold water is sprayed on the partition plate through the nozzle at the top of the cooling cavity, so that the heat exchange is realized; the hot water cavity is arranged, so that hot water after heat exchange is collected in the hot water cavity, is subjected to cooling treatment through the semiconductor refrigerating sheet, and is transmitted to the controller when the second temperature sensor detects that the temperature reaches the set lower limit water temperature, so that the second temperature sensor controls the refrigerating sheet to be closed, the water return pump is started, and the cooled water is lifted to the cold water cavity; waiting for the next cooling, and circulating the steps. The utility model discloses a set up water circulating system and control system, through the indirect high tension switchgear fault detection system cooling of water circulating system and control system cooperation, avoid the emergence of conflagration danger.
Example 2
On the basis of the embodiment 1, as shown in fig. 3, the front wall of the detection cavity is provided with an access door, so that the detection system 2 is convenient to overhaul in time when a fault occurs; the upper part of the side wall of the cooling cavity is provided with an exhaust hole, and as the cold water in the cooling cavity directly contacts with the hot partition plate, water vapor can be generated, and the water vapor can be directly exhausted through the exhaust hole; the hot water chamber, the cold water chamber antetheca all is equipped with the water level window, be convenient for observe the water level condition in hot water chamber and the cold water chamber, the lower part all is equipped with the interface of taking the valve, the kneck is equipped with the filter that is used for filtering aquatic impurity, wherein the interface can be connected with outside water piping, be convenient for add water or drainage, also can wash the heat sink, the filter is inside to be fixed with filtering material quartz sand through the filter screen, when adding water, quartz sand can be with the impurity interception of aquatic, when avoiding cold water to arrive the nozzle, block up the nozzle.
It should be noted that: when the cooling device is used for a certain time, some water scale or impurities may be accumulated in the cooling device, and after one cycle is completed, water in the cold water cavity or the hot water cavity can be discharged through the connector, or the connector of the cold water cavity is used as a water inlet, and the connector of the hot water cavity is used as a water outlet, so that the cooling device is cleaned.
The beneficial effect of this embodiment is: an access door, an exhaust hole, a water level window and an interface are arranged outside the cooling device, so that the auxiliary observation effect is conveniently played, and the normal operation of the device is ensured.
Example 3
On the basis of embodiment 2, be equipped with the display screen that is connected with controller 10 and is used for showing temperature and water pump operating condition on the outer wall of control chamber, the model of display screen is 8562-01, through being connected display screen and controller 10, shows the temperature in detection chamber and hot water cavity and the operating condition of return water pump 61 and intake pump 62.
The beneficial effect of this embodiment is: the numerical value that can show first temperature sensor 3 and second temperature sensor 8 in real time and the operating condition who shows cold water chamber water pump 6 and hot water chamber water pump 6 are convenient for observe.
The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (9)
1. A cooling device of a high-voltage switch cabinet detection system is characterized by comprising a box body (1) consisting of a left cavity, a heat insulation cavity and a right cavity, wherein the right cavity is divided into a lower detection cavity and an upper cooling cavity by a partition plate; the left cavity is divided into a hot water cavity, a control cavity and a cold water cavity by two heat insulation plates from bottom to top;
a detection system (2) is arranged at the bottom of the detection cavity, and a first temperature sensor (3) is arranged at the upper part of the detection cavity; the top of the cooling cavity is provided with a water spraying pipe (4) and a plurality of nozzles (5) at the bottom of the cooling cavity; a water return pump (61), a refrigeration sheet (7) and a second temperature sensor (8) are arranged in the hot water cavity; a water inlet pump (62) is arranged in the cold water cavity;
the water inlet pump (62) is connected with the water spray pipe (4), the cooling cavity is communicated with the hot water cavity through a partition plate, and the water return pump (61) is connected to the upper part of the cold water cavity through a water supply pipe (9) to form a water circulation loop;
a controller (10) connected to a power supply through a cable is arranged in the control cavity, and the first temperature sensor (3) and the second temperature sensor (8) are both connected with the input end of the controller (10); the control end of the controller (10) is respectively connected to the water return pump (61), the water inlet pump (62) and the refrigerating sheet (7).
2. The cooling device for the high-voltage switch cabinet detection system according to claim 1, wherein the partition plate is provided with a plurality of recessed channels, one end of each channel, which is close to the hot water cavity, extends outwards and penetrates through the heat insulation cavity to be fixed on the upper portion of the hot water cavity, so that the cooling cavity is communicated with the hot water cavity.
3. The cooling device for the high-voltage switch cabinet detection system according to claim 2, wherein a heat insulating material is arranged inside the heat insulating cavity; the clapboard is an aluminum heat absorption plate; the heat insulation plate is a high-strength glass fiber reinforced plastic heat insulation plate.
4. The cooling device of the high-voltage switch cabinet detection system according to claim 3, wherein the heat insulating material is glass fiber, asbestos or rock wool.
5. The cooling device of a high-voltage switch cabinet detection system according to claim 1, wherein the first temperature sensor (3) is a wireless passive temperature sensor and is wirelessly connected with the controller; the second temperature sensor (8) is electrically connected with the controller (10).
6. The cooling device of the high-voltage switch cabinet detection system according to claim 1, wherein the refrigeration sheet (7) is a semiconductor refrigeration sheet with a waterproof film on the surface.
7. The cooling device of the high-voltage switch cabinet detection system according to claim 1, wherein an access door is arranged on the front wall of the detection cavity; the upper part of the side wall of the cooling cavity is provided with an exhaust hole; the front walls of the hot water cavity and the cold water cavity are respectively provided with a water level window, and the lower parts of the hot water cavity and the cold water cavity are respectively provided with a connector with a valve.
8. The cooling device of the high-voltage switch cabinet detection system according to claim 7, wherein a filter for filtering impurities in water is arranged at the interface; and a filtering material is fixed in the filter through a filter screen.
9. The cooling device for the high-voltage switch cabinet detection system according to claim 1, wherein a display screen connected with the controller (10) and used for displaying the temperature and the working state of the water pump is arranged on the front wall of the control cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022972684.5U CN213989814U (en) | 2020-12-11 | 2020-12-11 | Cooling device of high-voltage switch cabinet detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022972684.5U CN213989814U (en) | 2020-12-11 | 2020-12-11 | Cooling device of high-voltage switch cabinet detection system |
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| CN213989814U true CN213989814U (en) | 2021-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342118A (en) * | 2022-08-16 | 2022-11-15 | 杭州鑫凯传动机械有限公司 | Automatic circulation liquid cooling type universal joint cross |
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2020
- 2020-12-11 CN CN202022972684.5U patent/CN213989814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115342118A (en) * | 2022-08-16 | 2022-11-15 | 杭州鑫凯传动机械有限公司 | Automatic circulation liquid cooling type universal joint cross |
| CN115342118B (en) * | 2022-08-16 | 2023-12-15 | 杭州鑫凯传动机械有限公司 | Automatic circulation liquid-cooled universal joint cross shaft |
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