CN216671536U - Double-coil opening device - Google Patents
Double-coil opening device Download PDFInfo
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- CN216671536U CN216671536U CN202123124086.3U CN202123124086U CN216671536U CN 216671536 U CN216671536 U CN 216671536U CN 202123124086 U CN202123124086 U CN 202123124086U CN 216671536 U CN216671536 U CN 216671536U
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- coil
- opening
- separating brake
- pawl
- connecting plate
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Abstract
The utility model discloses a double-coil separating brake device, which comprises a first separating brake coil, a second separating brake coil, a separating brake pawl reset spring, an output connecting plate and a pawl shaft, wherein the first separating brake coil is connected with the second separating brake coil; the separating brake pawl is arranged on the pawl shaft, and the separating brake pawl reset spring is arranged at the joint of the separating brake pawl and the pawl shaft; the output connecting plate is arranged below the catch shaft, and the opening catch can be in contact connection with the roller on the output connecting plate; the first separating brake coil and the second separating brake coil are both arranged on the same side of the separating brake catch, and the iron core of the first separating brake coil and the iron core of the second separating brake coil both point to the separating brake catch to push the separating brake catch to be released from the output connecting plate. The utility model is arranged in the circuit breaker mechanism, realizes that two brake separating coils can independently trigger the brake separating device, and when the first brake separating coil breaks down, the second brake separating coil can act to separate the circuit breaker, thereby ensuring the power supply safety.
Description
Technical Field
The utility model relates to a switching-off device applied to a high-voltage alternating-current circuit breaker (short for a circuit breaker) in the field of power transmission and distribution, in particular to a double-coil switching-off device.
Background
The opening device of the circuit breaker mechanism is generally only provided with one opening coil, if the coil is burnt due to failure, the opening is manually carried out, the standby coil is replaced on site, the workload is large, the temporary power failure time is long, and safety accidents can be caused and the power supply is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model improves the existing brake separating device and provides the double-coil brake separating device, and the brake separating device can pre-install the standby coil on the mechanism to ensure the power supply safety.
In order to achieve the above object, the present invention provides the following technical solutions.
A double-coil opening device comprises a first opening coil, a second opening coil, an opening pawl reset spring, an output connecting plate and a pawl shaft;
the separating brake pawl is arranged on the pawl shaft, and the separating brake pawl reset spring is arranged at the joint of the separating brake pawl and the pawl shaft;
the output connecting plate is arranged below the catch shaft, and the opening catch is in contact connection with the roller on the output connecting plate;
the first separating brake coil and the second separating brake coil are both arranged on the same side of the separating brake catch, and the iron core of the first separating brake coil and the iron core of the second separating brake coil both point to the separating brake catch to push the separating brake catch to be released from the output connecting plate.
Preferably, the circuit breaker further comprises circuit breaker side plates, the two circuit breaker side plates are arranged oppositely, and two ends of the latch shaft are fixedly connected with the two circuit breaker side plates respectively.
Preferably, the output link plate is provided with a connecting pin, the circuit breaker side plate is provided with a sliding groove, and the connecting pin of the output link plate is arranged in the sliding groove.
Preferably, the separating brake pawl is sleeved on the pawl shaft, and the separating brake pawl return spring is arranged on the pawl shaft and is positioned inside the separating brake pawl.
Preferably, the first opening coil and the second opening coil are arranged side by side up and down.
Preferably, the opening pawl comprises a shaft joint and a reaction arm; the shaft joint is sleeved on the pawl shaft, and the reaction force arm is connected with the shaft joint; the first opening coil and the second opening coil are both arranged on the same side of the reaction force arm.
Preferably, the roller on the output connecting plate is perpendicular to the side face of the output connecting plate, and the outer surface of the reaction force arm is perpendicular to the side face of the output connecting plate.
Compared with the prior art, the utility model has the following beneficial effects:
in conclusion, the utility model is arranged in the circuit breaker mechanism, so that the two switching-off coils can independently trigger the switching-off device, and when the first switching-off coil breaks down, the second switching-off coil can act to switch off the circuit breaker, thereby ensuring the power supply safety. The device has the advantages of simple structure, convenience in installation, flexibility in operation, capability of preventing replacement of the standby coil on site, large workload and long temporary power failure time.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. In the drawings:
FIG. 1 is a schematic backside view of the structure of the present invention;
FIG. 2 is a schematic side view of the structure of the present invention;
FIG. 3 is a schematic diagram of the first switching coil of the present invention during operation;
FIG. 4 is a schematic diagram of the second switching coil of the present invention during operation;
description of reference numerals:
1-a first opening coil; 2-a second opening coil; 3-separating the brake pawl;
4-a detent return spring; 5, outputting a connecting plate; 6-latch shaft.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, the opening device mounted on a circuit breaker mechanism of the present invention includes a first opening coil 1, a second opening coil 2, an opening latch 3, an opening latch return spring 4, an output link plate 5, and a latch shaft 6.
The separating brake pawl 3 is arranged on the pawl shaft 6, and the separating brake pawl reset spring 4 is arranged at the connection position of the separating brake pawl 3 and the pawl shaft 6;
the output connecting plate 5 is arranged below the latch shaft 6, and the opening latch 3 is in contact connection with the roller on the output connecting plate 5;
the first opening coil 1 and the second opening coil 2 are both arranged on the same side of the opening catch 3, and the iron core of the first opening coil 1 and the iron core of the second opening coil 2 both point to the opening catch 3 to push the opening catch 3 to release from the output link plate 5.
The utility model has the following functions: the second switching coil 2 can drive the switching-off pawl 3 to realize switching-off in the case of failure of the first switching-off coil 1.
The working principle of the utility model is as follows: the coil 1 drives the separating brake pawl 3, and the separating brake pawl 3 is separated from the output connecting plate 5 to realize separating brake. If the coil 1 is in fault, the coil 2 drives the separating brake pawl 3, and the separating brake pawl 3 is separated from the output connecting plate 5, so that separating brake is realized.
In conclusion, the utility model is installed in the breaker mechanism, has simple structure, convenient installation and flexible operation, can prevent the replacement of the standby coil on site, and has large workload and long temporary power failure time.
The present invention will be described in detail below with reference to specific embodiments and the accompanying drawings.
The utility model relates to a brake separating device arranged on a circuit breaker mechanism, which comprises a first brake separating coil 1, a second brake separating coil 2, a brake separating pawl 3, a brake separating pawl reset spring 4, an output connecting plate 5 and a pawl shaft 6.
Specifically, the circuit breaker further comprises circuit breaker side plates, the two circuit breaker side plates are arranged oppositely, and two ends of the latch shaft 6 are fixedly connected with the two circuit breaker side plates respectively.
The output connecting plate 5 is provided with a connecting pin, the circuit breaker side plate is provided with a sliding groove, and the connecting pin of the output connecting plate 5 is arranged in the sliding groove.
The separating brake pawl 3 is sleeved on the pawl shaft 6, and the separating brake pawl reset spring 4 is arranged on the pawl shaft 6 and is positioned inside the separating brake pawl 3.
The first opening coil 1 and the second opening coil 2 are arranged side by side up and down. The two opening coils can be ensured to have the same action direction and the same opening effect.
The separating brake pawl 3 comprises a shaft joint and a reaction force arm; the shaft joint is sleeved on the pawl shaft 6, and the reaction force arm is connected with the shaft joint; and the first opening coil 1 and the second opening coil 2 are both arranged at the same side of the reaction force arm.
The rollers on the output connecting plate 5 are perpendicular to the side face of the output connecting plate 5, and the outer surface of the reaction force arm is perpendicular to the side face of the output connecting plate 5. The device is used for contacting and connecting under the action of thrust to push the brake.
In a closing state of the circuit breaker, a first opening coil 1, a second opening coil 2, an opening pawl 3 and an output connecting plate 5 are shown in fig. 1 and fig. 2.
When the opening loop in fig. 3 is in a power-on state, the first opening coil 1 is electrified, the iron core of the first opening coil 1 pushes the opening catch 3, and the opening catch 3 and the output connecting plate 5 are disengaged to realize opening.
In the power-on state of the brake-separating loop in fig. 4, the second brake-separating coil 2 is electrified, the iron core of the second brake-separating coil 2 pushes the brake-separating pawl 3, and the brake-separating pawl 3 and the output connecting plate 5 are disengaged to realize brake separation.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is considered as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of the subject matter that is disclosed herein is not intended to forego such subject matter, nor should the applicants be construed as having contemplated such subject matter as being part of the disclosed subject matter.
Claims (7)
1. The double-coil opening device is characterized by comprising a first opening coil (1), a second opening coil (2), an opening catch (3), an opening catch reset spring (4), an output connecting plate (5) and a catch shaft (6);
the separating brake pawl (3) is arranged on the pawl shaft (6), and the separating brake pawl reset spring (4) is arranged at the joint of the separating brake pawl (3) and the pawl shaft (6);
the output connecting plate (5) is arranged below the catch shaft (6), and the opening catch (3) can be in contact connection with a roller on the output connecting plate (5);
the first opening coil (1) and the second opening coil (2) are arranged on the same side of the opening catch (3), and the iron core of the first opening coil (1) and the iron core of the second opening coil (2) point to the opening catch (3) and are used for pushing the opening catch (3) and the output connecting plate (5) to be tripped.
2. Double-coil opening device according to claim 1,
the circuit breaker is characterized by further comprising circuit breaker side plates, the two circuit breaker side plates are arranged oppositely, and two ends of the latch shaft (6) are fixedly connected with the two circuit breaker side plates respectively.
3. Double-coil opening device according to claim 2,
the output connecting plate (5) is provided with a connecting pin, the circuit breaker side plate is provided with a sliding groove, and the connecting pin of the output connecting plate (5) is arranged in the sliding groove.
4. Double-coil opening device according to claim 1,
the separating brake pawl (3) is sleeved on the pawl shaft (6), and the separating brake pawl reset spring (4) is arranged on the pawl shaft (6) and is positioned inside the separating brake pawl (3).
5. Double-coil opening device according to claim 1,
the first opening coil (1) and the second opening coil (2) are arranged side by side up and down.
6. The double-coil switching device according to claim 1,
the separating brake pawl (3) comprises a shaft joint and a reaction force arm; the shaft joint is sleeved on the pawl shaft (6), and the reaction force arm is connected with the shaft joint; the first opening coil (1) and the second opening coil (2) are arranged on the same side of the reaction force arm.
7. A double-coil switching-off device according to claim 6,
the roller on the output connecting plate (5) is perpendicular to the side surface of the output connecting plate (5), and the outer surface of the reaction force arm is perpendicular to the side surface of the output connecting plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124086.3U CN216671536U (en) | 2021-12-13 | 2021-12-13 | Double-coil opening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124086.3U CN216671536U (en) | 2021-12-13 | 2021-12-13 | Double-coil opening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216671536U true CN216671536U (en) | 2022-06-03 |
Family
ID=81789535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123124086.3U Active CN216671536U (en) | 2021-12-13 | 2021-12-13 | Double-coil opening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216671536U (en) |
-
2021
- 2021-12-13 CN CN202123124086.3U patent/CN216671536U/en active Active
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