CN212845885U - Novel mutual inductor calibration device - Google Patents
Novel mutual inductor calibration device Download PDFInfo
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- CN212845885U CN212845885U CN202021287111.2U CN202021287111U CN212845885U CN 212845885 U CN212845885 U CN 212845885U CN 202021287111 U CN202021287111 U CN 202021287111U CN 212845885 U CN212845885 U CN 212845885U
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Abstract
The utility model discloses a novel mutual-inductor calibration device, including check gauge, connector lug, electric wire, mutual-inductor, terminal, wiring block and binding clip, the one end an organic whole of binding clip is provided with the locating piece, the one end of keeping away from the locating piece on the binding clip is rotated and is connected with the dowel plate, it is connected with linkage plate A to lie in on the binding clip to rotate between locating piece and the dowel plate, keep away from one side fixedly connected with gag lever post of locating piece on the linkage plate A, one side that the binding clip was kept away from to the dowel plate is rotated and is connected with linkage plate B, keep away from one side fixedly connected with guide bar of locating piece on the linkage plate B, the screw hole has been seted up to the upper surface of wiring block. This novel mutual-inductor calibration equipment relates to electric power parameter measurement technical field among the electric power system, and the device can connect on the terminal steadily, can not produce the condition of wiring insecure, guarantees calibration quality and operating personnel's life safety.
Description
Technical Field
The utility model relates to an electric power parameter measures technical field among the electric power system, specifically is a novel mutual-inductor check-up device.
Background
With the rapid development of a digital substation and a smart grid, the mutual inductor is developed very rapidly, is an important device for electric energy metering and relay protection in an electric power system, has the advantages of long-term stability, reliability and safety closely related to the safe and stable operation of the electric power system, and can be used after the unqualified mutual inductor seriously influences the safe operation of the electric power system, so that the mutual inductor needs to be verified before or after being used for a long time, and can be used after being verified to be qualified.
The mutual-inductor calibration equipment who adopts at present is mostly intelligent mutual-inductor tester, and its and the connection between the mutual-inductor are connected through ordinary binding clip, very easily appear the problem of wiring insecure, and when a terminal need connect two binding clips on a mutual-inductor, the wiring insecure problem can be more obvious, causes the condition that the testing result is inaccurate or can't inspect, when operating personnel worked a telephone switchboard again, can cause the threat to operating personnel's life safety. In view of the above situation, a new transformer calibration apparatus is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel mutual-inductor check-up device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel mutual inductor calibration device comprises a calibration instrument, a connector lug, an electric wire, a mutual inductor, a connector post, a connector lug and a connector clip, wherein a positioning block is integrally arranged at one end of the connector clip, which is far away from the positioning block, is rotatably connected with a dowel plate, a connector lug plate A is rotatably connected between the positioning block and the dowel plate on the connector clip, a limiting rod is fixedly connected to one side, which is far away from the positioning block, of the connector lug plate A, a connector lug plate B is rotatably connected to one side, which is far away from the connector clip, of the dowel plate B, a guide rod is fixedly connected to one side, which is far away from the positioning block, a threaded hole is formed in the upper surface of the connector lug, a concave hole matched with the guide rod is formed in the side surface, which is close to the connector clip, of the connector lug is in threaded, the wiring block is located the bottom fixedly connected with spring of shrinkage pool, keep away from the recess of binding clip on the wiring block one side seted up with connector lug looks adaptation, the terminal offsets with the locating piece.
Preferably, the outer surfaces of the jointing clamp, the force transmission plate, the jointing plate A, the jointing plate B, the limiting rod, the guide rod and the jointing block are all provided with insulating rubber protective layers.
Preferably, the number of the positioning blocks is two, the positioning blocks are semicircular, and five bosses are uniformly arranged on the inner surfaces of the positioning blocks.
Preferably, an inclined plane A is integrally formed at one end of the guide rod, which is located in the wiring block, and the end of the guide rod is fixedly connected with one end of the spring.
Preferably, the lower part of the limiting block is integrally formed with an inclined plane B, and the limiting block is made of insulating hard plastics.
Preferably, the top of the bolt is also provided with an insulating rubber protective layer, and the top of the bolt is flat.
Compared with the prior art, the beneficial effects of the utility model are that: this novel mutual-inductor calibration equipment has changed the binding clip structure in the past, makes the device can connect stably on the terminal, can not produce the not firm condition of working a telephone switchboard, has guaranteed calibration quality and operating personnel's life safety.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting structure of the junction block of the present invention;
fig. 3 is a schematic view of the installation structure of the middle positioning block of the present invention.
In the figure: 1. positioning blocks; 2. a force transmission plate; 3. a linkage plate B; 4. a guide bar; 5. a junction block; 6. a bolt; 7. a threaded hole; 8. a limiting block; 9. concave holes; 10. a spring; 11. a binding post; 12. a limiting rod; 13. a linkage plate A; 14. a transformer; 15. a calibrator; 16. a connector lug; 17. a jointing clamp; 18. an electric wire; 19. and (4) a groove.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a novel mutual inductor calibration device comprises a calibration instrument 15, a connector lug 16, an electric wire 18, a mutual inductor 14, a connector lug 11, a wiring block 5 and a connector lug 17, wherein the outer surfaces of the connector lug 17, a transmission plate 2, a connector lug A13, a connector lug B3, a limiting rod 12, a guide rod 4 and the wiring block 5 are respectively provided with an insulating rubber protective layer, a positioning block 1 is directly connected with the connector lug 11 to ensure the smooth leading-in of current, the arrangement of the insulating rubber protective layers protects the safety of operators, the part of the guide rod 4 extending into the connector lug 5 is not provided with the insulating rubber protective layer, one end of the connector lug 17 is integrally provided with two positioning blocks 1, the positioning blocks 1 are semicircular, the inner surface of each positioning block 1 is uniformly provided with five bosses, the semicircular design of the positioning blocks 1 enables the positioning blocks to adapt to the connector lugs 11 in various shapes, the arrangement of the bosses increases the damping performance of the positioning blocks 1, the danger that the wiring terminal 11 is separated from the positioning block 1 is effectively avoided, the end, far away from the positioning block 1, of the wiring clamp 17 is rotatably connected with a force transmission plate 2, the side, far away from the positioning block 1, of the wiring clamp 17 is rotatably connected with a connecting plate A13, a limiting rod 12 is fixedly connected to one side, far away from the positioning block 1, of the connecting plate A13, the closing range of the positioning block 1 is ensured, the damage of the device caused by excessive closing is avoided, one side, far away from the wiring clamp 17, of the force transmission plate 2 is rotatably connected with a connecting plate B3, one side, far away from the positioning block 1, of the connecting plate B3 is fixedly connected with a guide rod 4, one end, located in the wiring block 5, of the guide rod 4 is integrally formed with an inclined plane A, the upper surface of the wiring block 5 is provided with a threaded hole 7, the side, close to the wiring block 5 is provided with a concave hole 9, the top of the bolt 6 is also provided with an insulating rubber protective layer, the life safety of an operator is effectively protected, the top of the bolt 6 is flat, the working strength of the operator is reduced, the working efficiency is improved, the lower surface of the bolt 6 is lapped with a limiting block 8, the lower part of the limiting block 8 is integrally formed with an inclined plane B, the shape of the inclined plane B is matched with that of one end of the guide rod 4 positioned in the junction block 5, the limiting block 8 is made of insulating hard plastic, the quality of the limiting block 8 is light, the limiting block 8 is easily jacked up by the guide rod 4, the bottom of the concave hole 9 of the junction block 5 is fixedly connected with a spring 10, when the bolt 6 is screwed up, the guide rod 4 can be pulled to move towards the junction block 5, the limiting block 8 is jacked up, the end of the guide rod 4 and one end of the spring 10 are fixedly connected, and the spring 10 is firmly connected with the guide rod 4, one side of the wiring block 5, which is far away from the wiring clamp 17, is provided with a groove 19 matched with the wiring head 16, the connection mode of the wiring head 16 and the groove 19 is similar to that of an earphone and a mobile phone, the wiring head can be clamped when being inserted, the wiring head can be pulled out forcibly, and the wiring terminal 11 abuts against the positioning block 1.
The working principle is as follows: the bolts 6 on the wiring block 5 are screwed up, because the limiting blocks 8 do not have downward pressure of the bolts 6, the guide rods 4 are pulled inwards by the stretching springs 10, the limiting blocks 8 are jacked up at the same time, the connecting plate B3 is pulled by the guide rods 4 to move close to the wiring block 5, the force transmitted by the connecting plate B3 is transmitted to the force transmission plate 2, the force transmitted by the force transmission plate 2 is transmitted to the wiring clamp 17, the wiring clamp 17 drives the positioning block 1 to rotate, the wiring clamp 17 drives the connecting plate A13 to move close to the wiring block 5, the connecting plate A13 drives the limiting rods 12 to move close to the wiring block 5, the positioning block 1 is in an open state, the positioning block 1 is sleeved on the wiring block 11, then the bolts 6 are screwed in, the downward pressure is applied to the limiting blocks 8, the limiting blocks 8 apply downward pressure to the guide rods 4, the guide rods 4 move outwards from the wiring block 5, meanwhile, the springs 10 stretch, the guide rods 4 push the connecting plate, biography power board 2 passes power and gives binding clip 17, binding clip 17 drives locating piece 1 and rotates, binding clip 17 drives linkage plate A13 and keeps away from terminal block 5 and removes, linkage plate A13 drives gag lever post 12 and keeps away from terminal block 5 and removes, locating piece 1 offsets with terminal 11 at last, gag lever post 12 offsets with linkage plate B3 simultaneously, the wiring is accomplished, make 16 one end of connector lug insert recess 19, the other end inserts check gauge 15, accomplish being connected of check gauge 15 and mutual-inductor 14, open the switch, begin the check.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel mutual inductor calibration device, includes check gauge (15), connector lug (16), electric wire (18), mutual inductor (14), terminal (11), splice block (5) and binding clip (17), its characterized in that: one end of the wiring clamp (17) is integrally provided with a positioning block (1), one end of the wiring clamp (17) far away from the positioning block (1) is rotatably connected with a dowel plate (2), one end of the wiring clamp (17) far away from the positioning block (1) is rotatably connected with a connecting plate A (13) between the positioning block (1) and the dowel plate (2), one side of the connecting plate A (13) far away from the positioning block (1) is fixedly connected with a limiting rod (12), one side of the dowel plate (2) far away from the wiring clamp (17) is rotatably connected with a connecting plate B (3), one side of the connecting plate B (3) far away from the positioning block (1) is fixedly connected with a guide rod (4), a threaded hole (7) is formed in the upper surface of the wiring block (5), a concave hole (9) matched with the guide rod (4) is formed in the side surface of the wiring block (5) close to the wiring clamp (17), and a bolt (6) matched with the threaded hole (7) is in, the lower surface overlap joint of bolt (6) has stopper (8), lug (5) are located bottom fixedly connected with spring (10) of shrinkage pool (9), keep away from binding clip (17) on lug (5) one side offer with recess (19) of connector lug (16) looks adaptation, terminal (11) offset with locating piece (1).
2. The novel mutual inductor calibration device according to claim 1, characterized in that: the outer surfaces of the jointing clamp (17), the dowel plate (2), the jointing plate A (13), the jointing plate B (3), the limiting rod (12), the guide rod (4) and the wiring block (5) are all provided with insulating rubber protective layers.
3. The novel mutual inductor calibration device according to claim 1, characterized in that: the number of the positioning blocks (1) is two, the positioning blocks (1) are semicircular in shape, and five bosses are uniformly arranged on the inner surface of each positioning block (1).
4. The novel mutual inductor calibration device according to claim 1, characterized in that: the terminal is characterized in that an inclined plane A is integrally formed at one end, located in the wiring block (5), of the guide rod (4), and the end, located at one end of the spring (10), of the guide rod (4) is fixedly connected with the end of the spring.
5. The novel mutual inductor calibration device according to claim 1, characterized in that: the lower part of the limiting block (8) is integrally formed with an inclined plane B, and the limiting block (8) is made of insulating hard plastic.
6. The novel mutual inductor calibration device according to claim 1, characterized in that: the top of the bolt (6) is also provided with an insulating rubber protective layer, and the top of the bolt (6) is flat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021287111.2U CN212845885U (en) | 2020-07-05 | 2020-07-05 | Novel mutual inductor calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021287111.2U CN212845885U (en) | 2020-07-05 | 2020-07-05 | Novel mutual inductor calibration device |
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| Publication Number | Publication Date |
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| CN212845885U true CN212845885U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021287111.2U Active CN212845885U (en) | 2020-07-05 | 2020-07-05 | Novel mutual inductor calibration device |
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| CN (1) | CN212845885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115078919A (en) * | 2022-08-22 | 2022-09-20 | 广东电网有限责任公司东莞供电局 | Power grid fault detection device |
-
2020
- 2020-07-05 CN CN202021287111.2U patent/CN212845885U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115078919A (en) * | 2022-08-22 | 2022-09-20 | 广东电网有限责任公司东莞供电局 | Power grid fault detection device |
| CN115078919B (en) * | 2022-08-22 | 2023-01-24 | 广东电网有限责任公司东莞供电局 | Power grid fault detection device |
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Address after: 210000 room 1703-2, 1704, building 1-1, No.19 Changqing street, Jiangning District, Nanjing City, Jiangsu Province (Jiangning Development Zone) Patentee after: Tuotuobao (Nanjing) Electric Power Technology Co.,Ltd. Address before: 210000 room 1703-2, 1704, building 1-1, No.19 Changqing street, Jiangning District, Nanjing City, Jiangsu Province (Jiangning Development Zone) Patentee before: TPL (Nanjing) Information Technology Co., Ltd |