CN209910959U - Circuit breaker speed test auxiliary device - Google Patents
Circuit breaker speed test auxiliary device Download PDFInfo
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- CN209910959U CN209910959U CN201920804917.5U CN201920804917U CN209910959U CN 209910959 U CN209910959 U CN 209910959U CN 201920804917 U CN201920804917 U CN 201920804917U CN 209910959 U CN209910959 U CN 209910959U
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- circuit breaker
- sensor
- fixing plate
- displacement sensor
- speed test
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Abstract
The utility model relates to a high voltage circuit breaker test field discloses a circuit breaker speed test auxiliary device, which comprises a sensor fixing plate, wherein one side of the sensor fixing plate is fixedly provided with a displacement sensor, and the other side of the sensor fixing plate is provided with a first beam and a second beam at intervals; the upper end of a pull rod of the displacement sensor is connected with an adapter, and the adapter can be butted with an insulating column of the circuit breaker; the second crossbeam is equipped with the screw hole, and the screw rod has connect in the screw hole soon. The utility model provides an in the current circuit breaker speed test process, can not be convenient, firm with the problem of displacement sensor and insulated column butt joint.
Description
Technical Field
The utility model relates to a high voltage circuit breaker test field specifically indicates a circuit breaker speed test auxiliary device.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The switching-on and breaking capacity of the circuit breaker is an important standard whether the circuit breaker meets requirements or not, and therefore the switching-off and switching-on speeds of the circuit breaker are important technical parameters. After the circuit breaker is assembled, the opening and closing speeds of the circuit breaker are tested to directly reflect the advantages and disadvantages of mechanical matching, electrical matching and performance of the circuit breaker. Therefore, the opening and closing speed is always the design key point of the circuit breaker, and in order to improve the performance of the circuit breaker, a designer must accurately measure the opening and closing speed of the circuit breaker, so that the connection and disconnection performance of the circuit breaker is guaranteed.
The existing circuit breaker is mostly in the opening and closing speed test mode that a displacement sensor is matched with a data analysis instrument, the displacement sensor is connected with an insulating column of a vacuum circuit breaker solid-sealed pole, then the circuit breaker is subjected to opening and closing operations, and in the opening and closing processes, the displacement sensor can acquire displacement data of the insulating column and transmit the displacement data to the data analysis instrument so as to obtain the opening and closing speed data of the sensor. But because the circuit breaker position is mostly narrow and small, and the insulated column generally is located within the circuit breaker bottom plate, and the use tool is very inconvenient, can not be convenient to this, firm with sensor and insulated column butt joint. And the instantaneous speed is fast when the breaker is opened and closed, if the installation is not firm, the sensor is extremely easy to throw away from the insulating column, and the test is influenced.
SUMMERY OF THE UTILITY MODEL
Based on above technical problem, the utility model provides a circuit breaker speed test auxiliary device has solved current circuit breaker speed test in-process, can not be convenient, firm with the problem of displacement sensor and insulated column butt joint.
For solving the above technical problem, the utility model discloses a technical scheme as follows:
a speed test auxiliary device of a circuit breaker comprises a sensor fixing plate, wherein a displacement sensor is fixedly arranged on one surface of the sensor fixing plate, and a first cross beam and a second cross beam are arranged on the other surface of the sensor fixing plate at intervals; the upper end of a pull rod of the displacement sensor is connected with an adapter, and the adapter can be butted with an insulating column of the circuit breaker; the second crossbeam is equipped with the screw hole, and the screw rod has connect in the screw hole soon.
The utility model discloses in, before the test, install displacement sensor and sensor fixed plate, adapter. When carrying out the speed test to the circuit breaker, the tester stretches into circuit breaker casing with first crossbeam, and the laminating of first crossbeam lower surface and circuit breaker bottom plate upper surface. The butt joint hole of the adapter can be in butt joint with the insulating column, then the screw rod is screwed in from the threaded hole formed in the second beam, the screw rod is rotated, and due to the threaded action between the screw rod and the threaded hole, the screw rod can move upwards to abut against the lower surface of the circuit breaker bottom plate, so that the screw rod is matched with the first beam to clamp and fix the sensor fixing plate.
Preferably, a mounting plate is arranged on one side of the sensor fixing plate, and a plurality of clamping pieces are mounted on the mounting plate and fix the sensor on the mounting plate.
As a preferable mode, the clamping piece is bent into a U shape by a bottom plate and two side plates, the upper parts of the two side plates are bent inwards to form clamping parts, and through holes are formed in the clamping parts and the corresponding positions of the bottom plate; a plurality of screw holes are arranged on two sides of the fixing plate at equal intervals, and the screws penetrate through the through holes of the clamping pieces and are screwed into the screw holes so that the clamping parts press the groove-shaped surface of the displacement sensor.
Preferably, a rotary handle is mounted on the lower portion of the screw.
As an optimal mode, one end, close to the sensor fixing plate, of the first cross beam is provided with a clamping groove, the upper end of the clamping groove is flush with the lower surface of the first cross beam, and the width of the clamping groove is consistent with that of the circuit breaker bottom plate.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides an in the current circuit breaker speed test process, can not be convenient, firm with the problem of displacement sensor and insulated column butt joint.
(2) The utility model discloses a sensor fixed plate simultaneously is equipped with the mounting panel, installs a plurality of clamping pieces on the mounting panel, and the clamping piece is fixed in displacement sensor on the mounting panel. The displacement sensor is convenient to install and fix,
(3) the clamping part is bent into a U shape by the bottom plate and the two side plates, the upper parts of the two side plates are bent inwards to form clamping parts, and through holes are arranged at the positions of the clamping parts corresponding to the bottom plate; a plurality of screw holes are arranged on two sides of the fixing plate at equal intervals, and the screws penetrate through the through holes of the clamping pieces and are screwed into the screw holes so that the clamping parts press the groove-shaped surface of the displacement sensor. The screw is screwed into the screw hole, and the screw head of the screw presses the clamping part downwards, so that the clamping part and the bottom plate are matched to clamp the groove profile of the displacement sensor, and the displacement sensor is fixed with the sensor fixing plate. The clamping piece is used, so that parts do not need to be additionally arranged on the displacement sensor, the structure of the displacement sensor does not need to be modified, the displacement sensor cannot be damaged, and the installation and the fixation are convenient.
(4) The utility model discloses a twist grip is installed to the screw rod lower part, conveniently rotates the screw rod through the handle.
(5) The utility model discloses a first crossbeam is close to sensor fixed plate one end and is equipped with the draw-in groove, and the draw-in groove upper end flushes with first crossbeam lower surface, and the draw-in groove width is unanimous with circuit breaker bottom plate width. The clamping groove can clamp the circuit breaker bottom plate, so that the sensor fixing plate is more firmly installed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the clamping member and the displacement sensor.
Fig. 3 is the utility model discloses with circuit breaker integral erection sketch map.
Fig. 4 is the utility model discloses with circuit breaker local installation schematic diagram.
The device comprises an adapter 1, a pull rod 2, a displacement sensor 3, a screw rod 4, a mounting plate 5, a clamping piece 6, a second beam 7, a sensor fixing plate 8, a first beam 9, a side plate 10, a clamping part 11, a bottom plate 12, a circuit breaker bottom plate 13 and an insulating column 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Example 1:
referring to fig. 1-4, an auxiliary device for testing the speed of a circuit breaker comprises a sensor fixing plate 8, wherein a displacement sensor 3 is fixedly arranged on one surface of the sensor fixing plate 8, and a first cross beam 9 and a second cross beam 7 are arranged on the other surface of the sensor fixing plate 8 at intervals; the upper end of a pull rod 2 of the displacement sensor 3 is connected with an adapter 1, and the adapter 1 can be butted with an insulating column 14 of the circuit breaker; the second beam 7 is provided with a threaded hole, and a screw rod 4 is screwed in the threaded hole.
In this embodiment, before the test, the displacement sensor 3 is mounted with the sensor fixing plate 8 and the adapter 1. When carrying out the speed test to the circuit breaker, the tester stretches into first crossbeam 9 in the circuit breaker casing, and the laminating of first crossbeam 9 lower surface and 13 upper surfaces of circuit breaker bottom plate. The butt joint hole of the adapter 1 can be in butt joint with the insulating column 14, then the screw rod 4 is screwed into the threaded hole formed in the second beam 7, the screw rod 4 is rotated, and due to the threaded action between the screw rod 4 and the threaded hole, the screw rod 4 can move upwards to abut against the lower surface of the circuit breaker bottom plate 13, so that the screw rod 4 is matched with the first beam 9 to clamp and fix the sensor fixing plate 8. The auxiliary equipment can conveniently and firmly butt the displacement sensor 3 and the insulating column 14.
The displacement sensor 3 is a pull rod type displacement sensor 3, and the pull rod type displacement sensor 3 has a function of converting the linear mechanical displacement of the pull rod 2 into a resistor or voltage output in a linear or any functional relationship with the linear mechanical displacement. The displacement of the insulating column 14 drives the pull rod 2 to displace, the displacement of the pull rod 2 causes the resistance change of the potentiometer moving end of the displacement sensor 3, the displacement value is reflected by the resistance value variation, the displacement direction is indicated by the increase or decrease of the resistance value, and the resistance change time is the displacement time. Therefore, the displacement and the displacement time of the insulating column 14 can be measured, and the opening and closing speeds of the circuit breaker can be calculated.
Example 2:
referring to fig. 1-4, an auxiliary device for testing the speed of a circuit breaker comprises a sensor fixing plate 8, wherein a displacement sensor 3 is fixedly arranged on one surface of the sensor fixing plate 8, and a first cross beam 9 and a second cross beam 7 are arranged on the other surface of the sensor fixing plate 8 at intervals; the upper end of a pull rod 2 of the displacement sensor 3 is connected with an adapter 1, and the adapter 1 can be butted with an insulating column 14 of the circuit breaker; the second beam 7 is provided with a threaded hole, and a screw rod 4 is screwed in the threaded hole.
Further, 8 one sides of sensor fixed plate are equipped with mounting panel 5, install a plurality of clamping pieces 6 on the mounting panel 5, and on the clamping piece 6 was fixed in mounting panel 5 with displacement sensor 3, displacement sensor 3 was fixed to easy to assemble.
Furthermore, the clamping piece 6 is bent into a U shape by a bottom plate 12 and two side plates 10, the upper parts of the two side plates 10 are bent inwards to form clamping parts 11, and through holes are formed in the clamping parts 11 and the corresponding positions of the bottom plate 12; a plurality of screw holes are arranged at equal intervals on two sides of the fixing plate, and screws pass through the through holes of the clamping part 6 and are screwed into the screw holes so that the clamping part 11 compresses the groove surface of the displacement sensor 3. The screw is screwed into the screw hole, and the head of the screw presses the clamping portion 11 downward, so that the clamping portion 11 and the bottom plate 12 cooperate to clamp the groove surface of the displacement sensor 3, thereby fixing the displacement sensor 3 and the sensor fixing plate 8. The clamping piece 6 is used, parts do not need to be additionally arranged on the displacement sensor 3, the structure of the displacement sensor 3 does not need to be modified, the displacement sensor 3 cannot be damaged, and the installation and the fixation are convenient.
Furthermore, a rotating handle is arranged at the lower part of the screw rod 4, so that the screw rod 4 can be conveniently rotated through the handle. The rotating handle is connected with the screw rod 4 through threads, so that the rotating handle is convenient to disassemble and assemble.
Further, a clamping groove is formed in one end, close to the sensor fixing plate 8, of the first cross beam 9, the upper end of the clamping groove is flush with the lower surface of the first cross beam 9, and the width of the clamping groove is consistent with that of the circuit breaker bottom plate 13. The circuit breaker bottom plate 13 can be clamped by the clamping groove, so that the sensor fixing plate 8 is more firmly installed.
The other parts of this embodiment are the same as embodiment 1, and are not described herein again.
The embodiment of the present invention is the above. The above embodiments and the specific parameters in the embodiments are only for the purpose of clearly showing the verification process of the utility model, and are not used to limit the patent protection scope of the utility model, the patent protection scope of the utility model is still subject to the claims, all the equivalent structural changes made by using the contents of the specification and the drawings of the utility model are included in the protection scope of the utility model.
Claims (5)
1. The utility model provides a circuit breaker speed test auxiliary device which characterized in that: the device comprises a sensor fixing plate (8), wherein a displacement sensor (3) is fixedly arranged on one surface of the sensor fixing plate (8), and a first cross beam (9) and a second cross beam (7) are arranged on the other surface of the sensor fixing plate (8) at intervals; the upper end of a pull rod (2) of the displacement sensor (3) is connected with an adapter (1), and the adapter (1) can be butted with an insulating column (14) of the circuit breaker; the second cross beam (7) is provided with a threaded hole, and a screw rod (4) is screwed in the threaded hole.
2. The circuit breaker speed test auxiliary device of claim 1, wherein: sensor fixed plate (8) one side is equipped with mounting panel (5), install a plurality of clamping pieces (6) on mounting panel (5), clamping piece (6) are fixed in the sensor on mounting panel (5).
3. The circuit breaker speed test auxiliary device of claim 2, wherein: the clamping piece (6) is bent into a U shape by a bottom plate (12) and two side plates (10), the upper parts of the two side plates (10) are bent inwards to form clamping parts (11), and through holes are formed in the corresponding positions of the clamping parts (11) and the bottom plate (12); a plurality of screw holes are formed in the two sides of the fixing plate at equal intervals, and screws penetrate through holes of the clamping piece (6) and are screwed into the screw holes, so that the clamping portion (11) compresses the groove-shaped surface of the displacement sensor (3).
4. The circuit breaker speed test auxiliary device of claim 1, wherein: and a rotating handle is arranged at the lower part of the screw rod (4).
5. The circuit breaker speed test auxiliary device of claim 1, wherein: first crossbeam (9) are close to sensor fixed plate (8) one end and are equipped with the draw-in groove, the draw-in groove upper end flushes with first crossbeam (9) lower surface, the draw-in groove width is unanimous with circuit breaker bottom plate (13) width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920804917.5U CN209910959U (en) | 2019-05-30 | 2019-05-30 | Circuit breaker speed test auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920804917.5U CN209910959U (en) | 2019-05-30 | 2019-05-30 | Circuit breaker speed test auxiliary device |
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| Publication Number | Publication Date |
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| CN209910959U true CN209910959U (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920804917.5U Active CN209910959U (en) | 2019-05-30 | 2019-05-30 | Circuit breaker speed test auxiliary device |
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| CN (1) | CN209910959U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630636A (en) * | 2020-11-18 | 2021-04-09 | 上海置信电气非晶有限公司 | Method for measuring mechanical characteristics of strut-type on-column circuit breaker |
-
2019
- 2019-05-30 CN CN201920804917.5U patent/CN209910959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630636A (en) * | 2020-11-18 | 2021-04-09 | 上海置信电气非晶有限公司 | Method for measuring mechanical characteristics of strut-type on-column circuit breaker |
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