CN210775754U - Overheat protection ZKC direct current switch ampere-second characteristic tester - Google Patents
Overheat protection ZKC direct current switch ampere-second characteristic tester Download PDFInfo
- Publication number
- CN210775754U CN210775754U CN201921013125.2U CN201921013125U CN210775754U CN 210775754 U CN210775754 U CN 210775754U CN 201921013125 U CN201921013125 U CN 201921013125U CN 210775754 U CN210775754 U CN 210775754U
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- China
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- ampere
- characteristic tester
- overheat protection
- fixedly connected
- tester shell
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Abstract
The utility model discloses an overheat protection ZKC direct current switch ampere second characteristic tester, including ampere second characteristic tester shell, ampere second characteristic tester shell upper end fixedly connected with display screen, the display screen left and right sides is equipped with portable handrail, portable handrail lower extreme and ampere second characteristic tester shell fixed connection, the display screen downside is equipped with four lead wire interfaces, two removal truckles of ampere second characteristic tester shell lower extreme fixedly connected with. The utility model discloses in, radiator fan takes away the high-temperature gas in ampere second characteristic tester shell, and the component to in ampere second characteristic tester shell is cooled down simultaneously, and inside motor drives the high-temperature gas in ampere second characteristic tester shell, keeps off the net through the pendulum plate and discharges to the outside, promotes the side pendulum shrouding and rotates around the swing pivot, and the side pendulum shrouding with from changeing the pendulum plate and expand the back, inside high-temperature gas discharges to the outside to realize the overheat protection to ampere second characteristic tester shell.
Description
Technical Field
The utility model relates to a dc switch ampere second characteristic test technical field especially relates to an overheat protection ZKC dc switch ampere second characteristic tester.
Background
The tester for ampere-second characteristic of the direct current switch is specially designed for testing, overhauling and maintaining of a transformer substation. The overload and short circuit characteristic test of the direct current circuit breaker is met, so that the health level of a direct current system of a transformer substation is improved, and override tripping and large-area power failure accidents caused by the override tripping of a direct current distribution network are avoided. The test system is suitable for ampere-second characteristic test of the direct current protection electric appliance with rated current of 1A-500A, can be used for ampere-second characteristic test of the direct current protection electric appliance of 6A-100A, provides a test means of action characteristic of the direct current protection electric appliance for an operation maintenance department, and verifies the action characteristic and level difference coordination of the direct current protection electric appliance so as to improve the operation reliability of the direct current system and ensure the safe and reliable operation of a power grid.
After receiving a test command, the DC switch ampere-second characteristic tester firstly detects a test loop, and when the test loop is detected to be normally closed, a control system instantly outputs a constant current to a circuit breaker to be tested according to a current value preset by a user; meanwhile, the ampere-second characteristic tester is internally provided with a high-precision element, and when the air humidity is high, part of air containing water vapor enters the ampere-second characteristic tester and adheres to the precision element containing metal components, so that the corrosion damage of the internal elements of the ampere-second characteristic tester is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that internal elements of the ampere-second characteristic tester are damaged in a high-temperature state, the ampere-second characteristic tester for the direct-current switch with the overheat protection ZKC is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an overheat protection ZKC direct current switch ampere-second characteristic tester comprises an ampere-second characteristic tester shell, wherein a display screen is fixedly connected to the upper end of the ampere-second characteristic tester shell, hand handrails are arranged on the left side and the right side of the display screen, the lower end of each hand handrail is fixedly connected with the ampere-second characteristic tester shell, four lead interfaces are arranged on the lower side of the display screen, two movable trundles are fixedly connected to the lower end of the ampere-second characteristic tester shell, an air inlet pipe is fixedly connected to the left end of the inner wall of the ampere-second characteristic tester shell, a metal filter screen is fixedly connected to the inner wall of the air inlet pipe, an overheat protection air box is arranged on the right side of the air inlet pipe, two air storage ports are arranged at the left end of the overheat protection air box, a motor is arranged between the two air storage ports, the left end of the motor is fixedly connected, one side fixed mounting that radiator fan was kept away from to overheat protection bellows has a swing board to keep off the net, the radiator fan right side is equipped with two swing pivots, swing pivot left end and overheat protection bellows fixed connection, it is connected with the side pendulum shrouding to rotate in the swing pivot, ann second characteristic tester shell right-hand member cuts has four longitudinal arrangement's air outlet, be equipped with on the air outlet with ann second characteristic tester shell fixedly connected with horizontal fan blade window.
As a further description of the above technical solution:
the transverse fan blade window is obliquely arranged at the right end of the ampere-second characteristic tester shell, and the transverse fan blade window and the air outlet are both opened towards the lower side.
As a further description of the above technical solution:
the side pendulum shrouding is kept away from swing pivot one end fixedly connected with pivot, it is connected with from changeing the pendulum board to rotate on the pivot.
As a further description of the above technical solution:
one end, far away from each other, of each of the two driven swing plates is fixedly connected with a sealing magnetic block, and one end, close to each other, of each of the two sealing magnetic blocks is matched and adsorbed.
As a further description of the above technical solution:
an anti-impact ball sleeve is arranged on the right side of the slave swing plate, and the right end of the anti-impact ball sleeve is fixedly connected with the inner wall of the ampere-second characteristic tester shell.
As a further description of the above technical solution:
the right side of the metal filter screen is provided with a sponge filter screen, and the outer end of the sponge filter screen is fixedly connected with the inner wall of the air inlet pipe.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, radiator fan takes away the high-temperature gas in ampere second characteristic tester shell, and the component to in ampere second characteristic tester shell is cooled down simultaneously, and inside motor drives the high-temperature gas in ampere second characteristic tester shell, keeps off the net through the pendulum plate and discharges to the outside, promotes the side pendulum shrouding and rotates around the swing pivot, and the side pendulum shrouding with from changeing the pendulum plate and expand the back, inside high-temperature gas discharges to the outside to realize the overheat protection to ampere second characteristic tester shell.
2. The utility model discloses in, through the follow pendulum board of adding on the side pendulum shrouding, be convenient for promote the side pendulum shrouding at the motor and rotate around the swing pivot and expand, after motor stop work, the side pendulum shrouding is close to each other under the absorption that seals the magnetic path, seals overheat protection bellows, inside reducing external humid gas entering ampere second characteristic tester shell.
Drawings
Fig. 1 is a partial sectional view of an overheat protection ZKC dc switch ampere-second characteristic tester according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a top view of an overheat protection ZKC dc switch ampere-second characteristic tester according to the present invention.
Illustration of the drawings:
1. an ampere-second characteristic tester shell; 2. a display screen; 3. carrying armrests; 4. a lead interface; 5. moving the caster; 6. an air inlet pipe; 7. a metal filter screen; 8. an overheat protection bellows; 9. a motor; 10. a heat radiation fan; 11. swinging the rotating shaft; 12. a side swing closing plate; 13. a middle rotating shaft; 14. a slave swing plate; 15. a sealing magnetic block; 16. a swing plate blocking net; 17. a sponge filter screen; 18. a ball impact prevention sleeve; 19. horizontal leaf window.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an overheat protection ZKC direct current switch ampere-second characteristic tester comprises an ampere-second characteristic tester shell 1, a display screen 2 is fixedly connected to the upper end of the ampere-second characteristic tester shell 1, portable handrails 3 are arranged on the left side and the right side of the display screen 2, the lower end of each portable handrail 3 is fixedly connected with the ampere-second characteristic tester shell 1, four lead interfaces 4 are arranged on the lower side of the display screen 2, two movable casters 5 are fixedly connected to the lower end of the ampere-second characteristic tester shell 1, an air inlet pipe 6 is fixedly connected to the left end of the inner wall of the ampere-second characteristic tester shell 1, a metal filter screen 7 is fixedly connected to the inner wall of the air inlet pipe 6, an overheat protection air box 8 is arranged on the right side of the air inlet pipe 6, two air storage ports are drilled at the left end of the overheat protection air box 8, a motor 9 is arranged between the two air storage ports, the left end, one side fixed mounting that radiator fan 10 was kept away from to overheat protection bellows 8 has a swing board to keep off net 16, and radiator fan 10 right side is equipped with two swing pivot 11, 11 left ends of swing pivot and overheat protection bellows 8 fixed connection, and swing pivot 11 is last to rotate and is connected with side swing shrouding 12, and ampere second characteristic tester shell 1 right-hand member chisels has four longitudinal arrangement's air outlet, is equipped with on the air outlet with ampere second characteristic tester shell 1 fixedly connected with horizontal fan blade window 19.
Specifically, as shown in fig. 1 and 2, the horizontal louver 19 is obliquely arranged at the right end of the ampere-second characteristic tester casing 1, and the horizontal louver 19 and the air leakage opening are both opened towards the lower side, so that the reduction of external dust and impurities inside the ampere-second characteristic tester casing 1 through the air leakage opening is facilitated.
Specifically, as shown in fig. 2, one end of the side swing closing plate 12, which is far away from the swing rotating shaft 11, is fixedly connected with a middle rotating shaft 13, and the middle rotating shaft 13 is rotatably connected with a secondary swing plate 14, so that the side swing closing plate 12 rotates around the swing rotating shaft 11 to seal the ampere-second characteristic tester casing 1.
Specifically, as shown in fig. 1 and 2, one end of each of the two driven swing plates 14, which is far away from each other, is fixedly connected with a sealing magnetic block 15, and one end of each of the two sealing magnetic blocks 15, which is close to each other, is matched and adsorbed, so that the driven swing plates 14 are adsorbed and fixed to each other.
Specifically, as shown in fig. 1, the right side of the swing plate 14 is provided with the anti-impact ball sleeve 18, and the right end of the anti-impact ball sleeve 18 is fixedly connected with the inner wall of the ampere-second characteristic tester casing 1, so that the impact of the swing plate 14 under the blowing of the motor 9 is reduced.
Specifically, as shown in fig. 1, a sponge filter 17 is arranged on the right side of the metal filter 7, and the outer end of the sponge filter 17 is fixedly connected with the inner wall of the air inlet pipe 6, so that the external impurities passing through the air inlet pipe 6 can be reduced conveniently, and the filtering effect of the air inlet pipe 6 can be improved.
The working principle is as follows: during the use, after ampere second characteristic tester shell 1 is inside to work for a long time and heat up, start motor 9 in the overheat protection bellows 8, motor 9 drives radiator fan 10 and rotates, filter the outside air through metal filters 7 and sponge filter screen 17, and inhale ampere second characteristic tester shell 1 inside, the high-temperature gas in ampere second characteristic tester shell 1 is taken away to outside low-temperature gas, cool down the component to ampere second characteristic tester shell 1 simultaneously, inside motor 9 drives the high-temperature gas in ampere second characteristic tester shell 1, discharge to the outside through pendulum plate fender net 16, promote side pendulum shrouding 12 and rotate around swing pivot 11, side pendulum shrouding 12 with from the back that changes pendulum plate 14 and expand, inside high-temperature gas discharges to the outside, thereby realize the overheat protection to ampere second characteristic tester shell 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an overheat protection ZKC direct current switch ampere second characteristic tester, includes ampere second characteristic tester shell (1), ampere second characteristic tester shell (1) upper end fixedly connected with display screen (2), the display screen (2) left and right sides is equipped with portable handrail (3), portable handrail (3) lower extreme and ampere second characteristic tester shell (1) fixed connection, display screen (2) downside is equipped with four lead wire interfaces (4), ampere second characteristic tester shell (1) lower extreme fixedly connected with two and remove truckles (5), its characterized in that, ampere second characteristic tester shell (1) inner wall left end fixedly connected with air-supply line (6), air-supply line (6) inner wall fixedly connected with metal filters (7), air-supply line (6) right side is equipped with overheat protection bellows (8), two hold wind gap are dug to overheat protection bellows (8) left end, two be equipped with motor (9) between the hold wind gap, motor (9) left end and overheat protection bellows (8) inner wall fixed connection, it is connected with radiator fan (10) to rotate on motor (9), one side fixed mounting that radiator fan (10) were kept away from in overheat protection bellows (8) has swing plate to keep off net (16), radiator fan (10) right side is equipped with two swing pivot (11), swing pivot (11) left end and overheat protection bellows (8) fixed connection, it is connected with side pendulum shrouding (12) to rotate on swing pivot (11), ampere second characteristic tester shell (1) right-hand member is dug and is had four longitudinal arrangement's wind release mouth, be equipped with on the wind release mouth with ampere second characteristic tester shell (1) fixedly connected with horizontal fan blade window (19).
2. The ampere-second characteristic tester of an overheat protection ZKC DC switch according to claim 1, wherein the horizontal blade window (19) is obliquely arranged at the right end of the ampere-second characteristic tester casing (1), and both the horizontal blade window (19) and the air vent are open downwards.
3. The ampere-second characteristic tester of an overheat protection ZKC dc switch according to claim 1, wherein an end of the side swing closing plate (12) away from the swing rotating shaft (11) is fixedly connected with a middle rotating shaft (13), and the middle rotating shaft (13) is rotatably connected with a driven swing plate (14).
4. The ampere-second characteristic tester of an overheat protection ZKC direct current switch according to claim 3, wherein a sealing magnetic block (15) is fixedly connected to one end of each of the two secondary swing plates (14) far away from each other, and one ends of the two sealing magnetic blocks (15) close to each other are matched and adsorbed with each other.
5. The ampere-second characteristic tester of an overheat protection ZKC DC switch according to claim 3, wherein a ball impact prevention sleeve (18) is arranged on the right side of the slave swing plate (14), and the right end of the ball impact prevention sleeve (18) is fixedly connected with the inner wall of the ampere-second characteristic tester casing (1).
6. The ampere-second characteristic tester of an overheat protection ZKC direct current switch according to claim 1, wherein a sponge filter screen (17) is arranged on the right side of the metal filter screen (7), and the outer end of the sponge filter screen (17) is fixedly connected with the inner wall of the air inlet pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013125.2U CN210775754U (en) | 2019-07-02 | 2019-07-02 | Overheat protection ZKC direct current switch ampere-second characteristic tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013125.2U CN210775754U (en) | 2019-07-02 | 2019-07-02 | Overheat protection ZKC direct current switch ampere-second characteristic tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210775754U true CN210775754U (en) | 2020-06-16 |
Family
ID=71063019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921013125.2U Expired - Fee Related CN210775754U (en) | 2019-07-02 | 2019-07-02 | Overheat protection ZKC direct current switch ampere-second characteristic tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210775754U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581652A (en) * | 2021-06-10 | 2021-11-02 | 中检质检检验检测科学研究院有限公司 | Low-power heating characteristic tester |
| CN113581652B (en) * | 2021-06-10 | 2024-05-31 | 中检质技检验检测科学研究院有限公司 | Low-power heating characteristic tester |
-
2019
- 2019-07-02 CN CN201921013125.2U patent/CN210775754U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581652A (en) * | 2021-06-10 | 2021-11-02 | 中检质检检验检测科学研究院有限公司 | Low-power heating characteristic tester |
| CN113581652B (en) * | 2021-06-10 | 2024-05-31 | 中检质技检验检测科学研究院有限公司 | Low-power heating characteristic tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20210702 |