CN216562992U - Two groups of warning contacts that double break moulded case circuit breaker used - Google Patents
Two groups of warning contacts that double break moulded case circuit breaker used Download PDFInfo
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- CN216562992U CN216562992U CN202123144133.0U CN202123144133U CN216562992U CN 216562992 U CN216562992 U CN 216562992U CN 202123144133 U CN202123144133 U CN 202123144133U CN 216562992 U CN216562992 U CN 216562992U
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Abstract
The utility model discloses two groups of alarm contacts for a double-breakpoint molded case circuit breaker, which comprise a base for mounting devices, wherein an end cover for protecting the base is arranged at the upper end of the base, a micro switch group for accessing a circuit and controlling the circuit to be switched on and off is arranged in the base, and a trigger assembly for triggering the micro switch group is arranged on the base. The utility model solves the problem of poor alarm effect of the traditional alarm device of the molded case circuit breaker in the prior art. The utility model has the advantages of small volume, reliable performance, long service life, simple structure, convenient installation and the like.
Description
Technical Field
The utility model relates to the field of breaker structures, in particular to two groups of alarm contacts for a double-breakpoint molded case circuit breaker.
Background
The alarm contact is mainly used for providing a fault alarm signal when the circuit breaker is tripped due to faults such as overload, short circuit, grounding, electric leakage, shunt excitation, undervoltage and the like. At the moment, the alarm contact is switched from the original normally open position to the closed position, an indicator lamp or a buzzer and the like in the auxiliary circuit are switched on, and the fault tripping state of the circuit breaker is prompted; or the auxiliary contact signal and the auxiliary contact signal are connected into the electronic circuit breaker controller together to judge the closing, opening and tripping positions of the circuit breaker and are transmitted to an upper monitoring system in a communication mode.
At present, the existing alarm contact is only provided with a group of alarm signals, the size of a molded case circuit breaker product is smaller and smaller, and the internal space is greatly limited, so that the alarm effect of the alarm device in the traditional molded case circuit breaker is poorer.
SUMMERY OF THE UTILITY MODEL
The utility model provides two groups of alarm contacts for a double-breakpoint molded case circuit breaker, which have good alarm effect, in order to solve the problem of poor alarm effect of the traditional alarm device of the molded case circuit breaker in the prior art.
The utility model relates to two groups of alarm contacts for a double-breakpoint molded case circuit breaker, which comprise a base for mounting devices, wherein an end cover for protecting the base is arranged at the upper end of the base, a micro switch group for connecting a circuit and controlling the circuit to be switched on and off is arranged in the base, and a trigger assembly for triggering the micro switch group is arranged on the base.
Preferably, the micro-gap switch group include left micro-gap switch and right micro-gap switch, left micro-gap switch left end be equipped with the left contact of the lead wire electric connection of circuit one end, left micro-gap switch right-hand member be equipped with the trigger subassembly left trigger switch that uses that cooperates, left micro-gap switch on open and to have 2 at least left mounting holes that are used for installing on the base, right micro-gap switch left end be equipped with the circuit other end lead wire electric connection's right contact, right micro-gap switch left end be equipped with the trigger subassembly right trigger switch that uses that cooperates, right micro-gap switch on open and to have 2 at least right mounting holes that are used for installing on the base.
Preferably, the trigger assembly comprises a push rod positioned in a gap between the left micro switch and the right micro switch, the push rod is W-shaped, the left end of the push rod is provided with an I-shaped contact used for triggering the left trigger switch and the right trigger switch respectively, and a reset spring is arranged between the top of the I-shaped contact and the inner wall of the base.
As preferred, the base in open and to have the switch mounting groove that is used for installing micro-gap switch group, switch mounting groove tank bottom be equipped with the left reference column that left mounting hole cooperation was used, the switch mounting groove tank bottom that is located left reference column right side is equipped with the right reference column that uses with right mounting hole cooperation, the switch mounting groove tank bottom that is located between left reference column and right reference column is opened and is had the spout that triggers that is used for with ejector pin sliding connection, the left end of ejector pin with trigger spout sliding connection, the right-hand member of ejector pin be located outside the base, it has the spring mounting groove that is used for installing reset spring to be located to open on the switch mounting groove cell wall in the dead ahead of worker shape contact, the switch mounting groove cell wall on be equipped with the rectangular hole that is used for installing the end cover of 4 equipartitions.
Preferably, the periphery of the end cover is provided with a buckling lug matched with the rectangular hole for use.
According to the utility model, the two micro switches are integrated on the base, and the base and the cover plate are connected in a clamping fit manner, so that no other fastening piece or auxiliary tool is required during assembly, and the assembly efficiency of the alarm contact can be effectively improved.
The two micro switches are arranged in the base, the design can meet the requirement that the circuit breaker needs two groups of alarm contact signals, the alarm contacts are small in size, simple in structure and reliable in action, the two micro switches are respectively arranged on two sides of the base, the structural layout is reasonable, and the two micro switches are not influenced by each other and are isolated from each other.
The utility model has the following beneficial effects: small volume, reliable performance, long service life, simple structure and convenient installation.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic structural diagram of the base of the present invention.
Detailed Description
The technical scheme of the utility model is further specifically described by the following embodiments and the accompanying drawings.
Example (b): further explained according to the attached drawings 1, 2 and 3, the two groups of alarm contacts for the double-breakpoint molded case circuit breaker of the embodiment comprise a base 1 for mounting devices, an end cover 2 for protecting the base 1 is mounted at the upper end of the base 1, a micro switch group for accessing a circuit and controlling the circuit to be switched on and off is arranged in the base 1, and a trigger assembly for triggering the micro switch group is arranged on the base 1.
Micro-gap switch group include left micro-gap switch 3 and right micro-gap switch 4, 3 left ends of left micro-gap switch be equipped with the left contact 5 of the lead wire electric connection of circuit one end, 3 right-hand members of left micro-gap switch be equipped with trigger assembly cooperation left trigger switch 6 that uses, left micro-gap switch 3 on open and to have 2 at least left mounting holes 7 that are used for installing on base 1, 4 left ends of right micro-gap switch be equipped with the lead wire electric connection's of the circuit other end right contact 8, 4 left ends of right micro-gap switch be equipped with trigger assembly cooperation right trigger switch 9 that uses, right micro-gap switch 4 on open and to have 2 at least right mounting holes 10 that are used for installing on base 1.
The trigger assembly comprises a push rod 11 which is positioned in a gap between the left micro switch 3 and the right micro switch 4, the push rod 11 is W-shaped, the left end of the push rod 11 is provided with an I-shaped contact 12 which is used for triggering the left trigger switch 6 and the right trigger switch 9 respectively, and a reset spring 13 is arranged between the top of the I-shaped contact 12 and the inner wall of the base 1.
The periphery of the end cover 2 is provided with a buckling lug 20 matched with the rectangular hole 19 for use.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (5)
1. The utility model provides a two groups of warning contacts that double break point moulded case circuit breaker was used, is including base (1) that is used for installing the device, characterized by, base (1) upper end be equipped with end cover (2) that are used for protecting base (1), base (1) in be equipped with and be used for the access circuit and control circuit micro-gap switch group that opens and shuts, base (1) be equipped with the trigger subassembly that is used for triggering micro-gap switch group.
2. The two sets of alarm contacts for the double-breakpoint molded case circuit breaker according to claim 1, it is characterized in that the micro switch group comprises a left micro switch (3) and a right micro switch (4), the left end of the left microswitch (3) is provided with a left contact (5) which is electrically connected with a lead wire at one end of the circuit, the right end of the left microswitch (3) is provided with a left trigger switch (6) which is matched with the trigger component, the left microswitch (3) is provided with at least 2 left mounting holes (7) for being mounted on the base (1), the left end of the right microswitch (4) is provided with a right contact head (8) which is electrically connected with a lead wire at the other end of the circuit, the left end of the right microswitch (4) is provided with a right trigger switch (9) which is matched with the trigger component, and at least 2 right mounting holes (10) for mounting on the base (1) are formed in the right microswitch (4).
3. The two sets of alarm contacts for the double-breakpoint molded case circuit breaker according to claim 2, wherein the trigger assembly comprises a push rod (11) located in a gap between the left micro switch (3) and the right micro switch (4), the push rod (11) is W-shaped, a H-shaped contact (12) for respectively triggering the left trigger switch (6) and the right trigger switch (9) is arranged at the left end of the push rod (11), and a return spring (13) is arranged between the top of the H-shaped contact (12) and the inner wall of the base (1).
4. The two sets of alarm contacts for the double-breakpoint plastic-casing circuit breaker according to claim 3, wherein a switch mounting groove (14) for mounting the micro switch set is formed in the base (1), a left positioning pillar (15) matched with the left mounting hole (7) is arranged at the bottom of the switch mounting groove (14), a right positioning pillar (16) matched with the right mounting hole (10) is arranged at the bottom of the switch mounting groove (14) on the right side of the left positioning pillar (15), a trigger chute (17) used for being slidably connected with the ejector rod (11) is formed at the bottom of the switch mounting groove (14) between the left positioning pillar (15) and the right positioning pillar (16), the left end of the ejector rod (11) is slidably connected with the trigger chute (17), the right end of the ejector rod (11) is located outside the base (1), and a spring mounting groove (13) for mounting the reset spring is formed in the groove wall of the switch mounting groove (14) located right in front of the i-shaped contact (12) (a) ((ii) (c) ((ii) and (c) ((ii) including a spring mounting groove (13) therein) 18) And 4 uniformly distributed rectangular holes (19) for mounting the end cover (2) are formed in the wall of the switch mounting groove (14).
5. The two sets of alarm contacts for the double-breakpoint molded case circuit breaker according to claim 4, wherein the periphery of the end cover (2) is provided with a snap projection (20) matched with the rectangular hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123144133.0U CN216562992U (en) | 2021-12-15 | 2021-12-15 | Two groups of warning contacts that double break moulded case circuit breaker used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123144133.0U CN216562992U (en) | 2021-12-15 | 2021-12-15 | Two groups of warning contacts that double break moulded case circuit breaker used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216562992U true CN216562992U (en) | 2022-05-17 |
Family
ID=81543309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123144133.0U Active CN216562992U (en) | 2021-12-15 | 2021-12-15 | Two groups of warning contacts that double break moulded case circuit breaker used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216562992U (en) |
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2021
- 2021-12-15 CN CN202123144133.0U patent/CN216562992U/en active Active
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