CN116169593A - Position signal device and circuit breaker - Google Patents
Position signal device and circuit breaker Download PDFInfo
- Publication number
- CN116169593A CN116169593A CN202310225253.8A CN202310225253A CN116169593A CN 116169593 A CN116169593 A CN 116169593A CN 202310225253 A CN202310225253 A CN 202310225253A CN 116169593 A CN116169593 A CN 116169593A
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- CN
- China
- Prior art keywords
- seat
- switch
- position signal
- signal device
- terminal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/10—Indicating electrical condition of gear; Arrangement of test sockets
Abstract
The invention discloses a position signal device, comprising: the switch seat is provided with a placing groove, and the micro switch is arranged in the placing groove; the auxiliary terminal is electrically connected with the micro switch and is fixedly arranged on the terminal seat; the connecting part is arranged between the switch seat and the terminal seat and is in interference clamping fit with the switch seat and the terminal seat, a clearance groove is formed when the connecting part is in clamping fit with the switch seat or the terminal seat, and the position signal device is fixed at the design position of the position signal device through the clearance groove. According to the invention, the switch seat and the terminal seat are connected through the connecting part, under the condition that the connecting structure is kept, the switch seat and the terminal seat can be subjected to customized or standardized production, and meanwhile, the position signal device can be conveniently fixed at the design position of the position signal device in the circuit breaker through the arrangement of the clearance groove, so that the installation and the disassembly are convenient and quick. The invention also provides a circuit breaker comprising the position signal device.
Description
Technical Field
The invention relates to the technical field of circuit breaker equipment, in particular to a position signal device and a circuit breaker.
Background
The position signal device is an indication component commonly used in the circuit breaker, and is arranged in the drawer type circuit breaker to indicate the position of the isolation contact, so that the running state of the circuit breaker can be intuitively monitored, but because the position signal device is an additional component designed at the later stage of the circuit breaker, the position signal device is low in lean degree and poor in modularization degree, the arrangement of the micro switch and the auxiliary terminal on the position signal device is irregular, the position signal output is easy to deviate, meanwhile, the position signal device is usually connected in a screw and other modes, the number of parts is large, the structure of the parts is complex, the installation and disassembly difficulties are large, the manufacturing and assembly cost of the position signal device can be increased, and the workload of after-sales service can be increased.
Therefore, how to increase the modularization degree of the position signal device to increase the versatility and reduce the difficulty of manufacturing, installation and after-sales service is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of the foregoing, an object of the present invention is to provide a position signal device, which improves the modularization degree and versatility of the position signal device and reduces the difficulty of manufacturing, installation and after-sales service.
Another object of the present invention is to provide a circuit breaker comprising the above position signal device.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a position signaling device, comprising:
the switch seat is provided with a placing groove, and the micro switch is arranged in the placing groove;
the auxiliary terminal is electrically connected with the micro switch and is fixedly arranged on the terminal seat;
the connecting part is arranged between the switch seat and the terminal seat, is in interference clamping fit with the switch seat and the terminal seat, and forms a clearance groove when the connecting part is in clamping fit with the switch seat or the terminal seat, and the position signal device is fixed at the design position of the position signal device through the clearance groove.
Preferably, in the above position signal device, the connection portion includes a card board, the card board includes:
the switch seat is provided with a limiting column and a positioning protrusion, the U-shaped groove is used for enabling the limiting column to slide into and be clamped with the positioning protrusion, and the positioning protrusion is clamped into the positioning hole when the limiting column slides to the U-shaped bottom of the U-shaped groove;
the lock catch comprises at least two locking parts which are arranged at intervals, clamping grooves with the same number as the locking parts are arranged on one side of the terminal seat, and the locking parts are in interference clamping connection with the clamping grooves.
Preferably, in the position signal device, a disc is fixedly arranged at one end of the limiting post, which is far away from the mounting surface of the switch seat, the diameter of the disc is larger than that of the limiting post, and the disc and the mounting surface are positioned at two sides of the U-shaped groove.
Preferably, in the position signal device, a wire slot for the outgoing line and the wiring of the micro switch is formed on the placement groove.
Preferably, in the above position signal device, the switch seat is provided with three placing grooves, three micro switches are respectively arranged in the three placing grooves at intervals, and the three micro switches are used for indicating breaking, testing and connecting three locking positions of the circuit breaker.
Preferably, in the position signal device, the switch seat is further provided with a material reducing hole.
Preferably, in the position signal device, the terminal seat has a box structure for setting the auxiliary terminal, and a side of the terminal seat facing the switch seat has a grid plate structure with a groove.
Preferably, in the above position signal device, two opposite sides of the terminal base are provided with a first protrusion and a first slot in a snap fit manner, and the plurality of terminal bases are sequentially connected with the first protrusion and the first slot in a snap fit manner.
Preferably, in the above position signal device, a plurality of threaded holes for fixing the auxiliary terminal are formed in a side of the terminal base for carrying the auxiliary terminal.
The circuit breaker comprises a drawer seat and a position signal device, wherein the position signal device is provided by any one of the embodiments, and a mounting hole for clamping and fixing the clearance groove of the position signal device is formed in a side plate on at least one side of the drawer seat.
According to the technical scheme, the position signal device comprises a switch seat, a micro switch, a terminal seat, an auxiliary terminal and a connecting part, wherein the switch seat is provided with a placing groove, the micro switch is arranged in the placing groove, and particularly embedded in the placing groove, and likewise, a limiting part can be arranged in the placing groove to limit the micro switch, and the embedded micro switch can maintain a relatively stable gesture so as to ensure the stability of the circuit breaker when the micro switch is triggered; the terminal seat is in a box body or plate structure, the auxiliary terminal is fixedly arranged on the terminal seat, and the auxiliary terminal is electrically connected with the micro switches to transmit a plurality of groups of micro switch signals, and the auxiliary terminal is electrically connected with a specific guide wire; the connecting part is arranged between the switch seat and the terminal seat, the connecting part is in interference clamping fit with the switch seat and the terminal seat, the clamping part is preferably made of thermoplastic materials with good toughness, so that the stability of the interference fit with the switch seat and the terminal seat is ensured, on one hand, the connecting part arranged at the middle positions of the switch seat and the terminal seat can enable the switch seat and the terminal seat to be independently disassembled and assembled respectively, on the premise that the connecting structure between the connecting part and the switch seat and the terminal seat is stable and unchanged, the switch seat and the terminal seat can be designed according to actual needs, namely, the two ends of the connecting part can be provided with the switch seat and the terminal seat which are fixedly customized or standardized, and meanwhile, the connecting part and the switch seat and the terminal seat are in interference clamping fit without using additional fasteners such as bolts and screws.
According to the position signal device provided by the invention, through the connecting part arranged between the switch seat and the terminal seat to be in interference clamping fit with the switch seat and the terminal seat, fastening fittings required in the assembly process of the position signal device are reduced, so that the convenience of assembly and disassembly of the position signal device is improved, meanwhile, the switch seat and the terminal seat of any module can be arranged on two sides of the connecting part, so that the switch seat and the terminal seat can be subjected to standardized module production or customized module production, the universality is improved, in addition, a clearance groove is formed when the connecting part is in clamping fit with the switch seat or the terminal seat, and the position signal device can be clamped and arranged at any sheet-shaped or plate-shaped structural position in the circuit breaker through the clearance groove, so that the position design of the position signal device is more free.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a position signal device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a placement groove according to an embodiment of the present invention;
FIG. 3 is a bottom view of FIG. 2;
FIG. 4 is a schematic diagram of a card board according to an embodiment of the present invention;
fig. 5 is a schematic view of a terminal block structure according to an embodiment of the present invention;
FIG. 6 is a bottom view of FIG. 5;
FIG. 7 is a schematic view of a drawer seat according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a circuit breaker according to an embodiment of the present invention;
wherein 10 is a switch seat, 110 is a placing groove, 1110 is a wire slot, 120 is a limit post, 130 is a positioning bulge, 140 is a disc, 150 is a material reducing hole, 20 is a terminal seat, 210 is a clamping groove, 220 is a first bulge, 230 is a first slot, 240 is a threaded hole, 250 is a grid plate structure, 30 is a clamping plate, 310 is a U-shaped groove, 320 is a positioning hole, 330 is a lock catch, 3310 is a locking part;
40 is a drawer seat and 410 is a mounting hole.
Detailed Description
The invention aims to disclose a position signal device, which is used for improving the modularization degree and universality of the position signal device and reducing the difficulty of manufacturing, installation and after-sales service.
Another object of the present invention is to provide a circuit breaker comprising the above position signal device.
In order to better understand the solution of the present invention, the following description of the embodiments of the present invention refers to the accompanying drawings. Furthermore, the embodiments shown below do not limit the summary of the invention described in the claims. The whole contents of the constitution shown in the following examples are not limited to the solution of the invention described in the claims.
As shown in fig. 1, the position signal device provided by the embodiment of the invention comprises a switch seat 10, a micro-switch, a terminal seat 20, an auxiliary terminal and a connecting part, wherein a placing groove 110 is formed in the switch seat 10, the micro-switch is arranged in the placing groove 110, specifically embedded and installed in the placing groove 110, and likewise, a limiting component can be arranged in the placing groove 110 to limit the micro-switch, and the embedded micro-switch can maintain a relatively stable posture so as to ensure the stability of the circuit breaker when the switch is triggered.
The terminal base 20 is in a box body or plate structure, the auxiliary terminal is fixedly arranged on the terminal base 20, and the auxiliary terminal is electrically connected with the micro switches to transmit a plurality of groups of micro switch signals, and the auxiliary terminal is electrically connected with a specific guide wire. The connecting part is arranged between the switch seat 10 and the terminal seat 20, the connecting part is in interference clamping fit with the switch seat 10 and the terminal seat 20, preferably, the clamping part is made of thermoplastic materials with good toughness, so that the stability of the interference fit with the switch seat 10 and the terminal seat 20 is ensured, on the one hand, the connecting part arranged in the middle of the switch seat 10 and the terminal seat 20 can enable the switch seat 10 and the terminal seat 20 to be respectively and independently disassembled, on the other hand, on the premise that the connecting structure between the connecting part and the switch seat 10 and the terminal seat 20 is stable, the switch seat 10 and the terminal seat 20 can be designed according to actual needs, namely, the two ends of the connecting part can be fixedly provided with the customized or standardized switch seat 10 and the terminal seat 20, and meanwhile, the connecting part and the switch seat 10 and the terminal seat 20 are in interference clamping fit without using additional fasteners such as bolts, so that the disassembling process is more convenient, on the other hand, the connecting part and the switch seat 10 or the terminal seat 20 form clearance grooves when in the clamping fit, namely, the connecting part and the switch seat 10 or the terminal seat 20 have clearance grooves or the clearance grooves in the clamping fit, namely, the signal device can be provided by the invention, and the signal device can be provided at any positions, namely, the signal device can be fixed and the position by the position of the signal device.
According to the position signal device provided by the embodiment of the invention, through the connecting part arranged between the switch seat 10 and the terminal seat 20 to be in interference clamping fit with the switch seat 10 and the terminal seat 20, fastening fittings required in the assembly process of the position signal device are reduced, so that the convenience of mounting and dismounting the position signal device is improved, meanwhile, the switch seat 10 and the terminal seat 20 of any module can be mounted on two sides of the connecting part, so that the switch seat 10 and the terminal seat 20 can be subjected to standardized module production or customized module production, the universality is improved, in addition, a clearance groove is formed when the connecting part is in clamping fit with the switch seat 10 or the terminal seat 20, and the position signal device can be clamped and arranged at any sheet-shaped or plate-shaped structural position in the circuit breaker through the clearance groove, so that the position design of the position signal device is more free.
It should be noted that, in some circuit breakers, only a set of signal indication is needed, and indication can be completed through a micro switch without setting an auxiliary terminal, at this time, in order to reduce the volume occupation of the position signal device in the circuit breaker provided by the embodiment of the invention, the setting of the terminal seat 20 can be canceled, and when the terminal seat 20 is canceled, a clearance groove is formed only when the connecting part is in clamping fit with the switch seat 10.
Further, as shown in fig. 2, 3 and 4, in an embodiment of the present invention, the connecting portion includes a clamping plate 30, a U-shaped slot 310, a positioning hole 320 and a lock catch 330 are provided on the clamping plate 30, wherein the U-shaped slot 310 and the positioning hole 320 are used for fixing the switch seat 10, correspondingly, a limit post 120 and a positioning protrusion 130 are provided on the switch seat 10, the U-shaped slot 310 is matched with the limit post 120, specifically, the limit post 120 can slide in from an opening end of the U-shaped slot 310 and slide towards a bottom position of the U-shaped structure, the positioning hole 320 is used for being matched with the positioning protrusion 130, when the limit post 120 slides to the bottom position of the U-shaped structure along the U-shaped slot 310, the positioning hole 320 coincides with a central axis of the positioning protrusion 130, and the positioning protrusion 130 is clamped into the positioning hole 320 to realize installation and limitation of the switch seat 10; as shown in fig. 4 and 5, one side of the lock catch 330 includes at least two locking portions 3310 disposed at intervals, and corresponding one side of the terminal base 20 is provided with clamping grooves 210 with the same number as the locking portions 3310, and the single locking portion 3310 is in interference fit with the single clamping groove 210, so as to realize fastening connection of the terminal base 20.
It should be noted that, at least two locking portions 3310 disposed at intervals promote the uniformity of stress of the terminal block 20, and promote the stability of the arrangement of the terminal block 20.
It should be further noted that, in the above structure, the connection structure between the connection portion and the switch base 10 and the terminal base 20 may be interchanged, and meanwhile, detachable connection modes such as snap connection and hook and loop adhesive bonding, which are common in the prior art, may be used.
In order to further optimize the above technical solution, in the position signal device provided in the embodiment of the present invention, the disc 140 is further fixedly disposed on the limiting post 120, one end of the limiting post 120 is fixedly disposed on the switch seat 10, the other end of the limiting post is fixedly disposed on the disc 140, meanwhile, the diameter of the disc 140 is larger than that of the limiting post 120, and because the limiting post 120 slides into and tightly clamps the U-shaped groove 310, the diameter dimension of the disc 140 is also larger than the width dimension of the groove body of the U-shaped groove 310, and when the connecting portion is fixed to the switch seat 10, both ends of the limiting post 120 are respectively disposed at both sides of the U-shaped groove 310, the disc 140 is disposed so that the limiting post 120 can be kept stable in the sliding process of the limiting post 120 along the U-shaped groove 310, and the falling of the limiting post 120 from the U-shaped groove 310 is avoided, and meanwhile, when the limiting post 120 slides to the U-shaped bottom of the U-shaped groove 310 and tightly clamps, the disc 140 can be tightly adhered to the side wall of the clamping plate 30 to limit the switch seat 10, thereby avoiding the loosening of the switch seat 10 from the U-shaped groove 310 due to the limiting post 120.
Further, considering that the micro switch has a wiring requirement, in an embodiment of the present invention, the placing groove 110 is provided with a wire groove 1110 for guiding out the micro switch and for embedding the wire groove 1110, the wire groove 1110 is always disposed at the bottom of the placing groove 110, i.e. the bottom of the placing groove 110 is opposite to one side of the micro switch, when the micro switch is disposed in the placing groove 110, the wire extruded to the bottom of the placing groove 110 is guided out of the placing groove 110 via the wire groove 1110 with an opening, and is embedded in the switch seat 10 along the wire groove 1110.
Further, in an embodiment of the present invention, three placement grooves 110 are provided on the switch base 10, and at the same time, three micro switches are respectively disposed in the three placement grooves 110 at intervals, and the intervals between the three placement grooves 110, that is, the intervals between the three micro switches, are set according to the indication function requirement of the circuit breaker, preferably, the design intervals meet the breaking, testing and connecting three locking positions required in the use process of the circuit breaker body.
In order to reduce material consumption and reduce the weight of the position signal device to reduce the bearing difficulty, in an embodiment of the present invention, the switch base 10 is further provided with a material reducing hole 150.
It should be noted that the material reducing holes 150 may be provided at any position on the position signal device that is not required.
Further, in an embodiment of the present invention, the terminal base 20 has a box structure for setting auxiliary terminals, the auxiliary terminals are sequentially disposed inside the box, it should be noted that, the terminal base 20 is a component for placing and carrying the auxiliary terminals, which may be in any configuration, such as a plate or a box, and only the auxiliary terminals need to be fixedly disposed on the terminal base 20, and the terminal base 20 with the box structure is preferred in this embodiment, so as to place and wrap the auxiliary terminals, thereby carrying and protecting the auxiliary terminals, and meanwhile, since the auxiliary terminals need to be wired with the micro switch, a side of the terminal base 20 facing the switch base 10 in this embodiment is provided with a grid plate structure 250 provided with a groove, and the grooves on the grid plate structure 250 can ensure that the auxiliary terminals and the micro switch with different wiring modes have wiring positions.
Considering that the number of auxiliary terminals is different in different application scenarios, the size of the terminal base 20 is designed to be larger, which causes space waste, so in a specific embodiment of the present invention, the size of the terminal base 20 is similar to that of the switch base 10, meanwhile, the two opposite side walls of the terminal base 20 are respectively provided with a first protrusion 220 and a first slot 230, the first protrusion 220 and the first slot 230 are components capable of being in clamping fit, when the auxiliary terminal is required to be expanded, the structure only needs to take out a plurality of new terminal bases 20, and sequentially connect a plurality of new terminal bases 20 through the clamping fit of the first protrusion 220 and the first slot 230, so that the expansion installation of the terminal base 20 can be realized.
Further, the auxiliary terminals may be disposed on the terminal base 20 by bonding, binding, or screw connection, as shown in fig. 6, in an embodiment of the present invention, a plurality of threaded holes 240 are formed on a side of the terminal base 20 for carrying the auxiliary terminals, and after the auxiliary terminals are disposed on the terminal base 20, the auxiliary terminals pass through the threaded holes 240 through screws to achieve stable connection on the terminal base 20.
As shown in fig. 7 and 8, the embodiment of the present invention further provides a circuit breaker, which includes a drawer seat 40 and a position signal device, in particular, the position signal device has one or more of the technical effects of the position signal device provided in any of the foregoing embodiments, meanwhile, a mounting hole 410 that is in clamping fit with a clearance groove is formed on a side plate on at least one side of the drawer seat 40, the position signal device passes through the mounting hole 410, and the clearance groove is clamped into the side plate provided with the mounting hole 410 to realize stable setting of the position signal device.
It should be noted that the mounting hole 410 may be formed at a plurality of positions on the drawer base 40 to provide a plurality of mounting positions for the position signal device.
It should be further noted that, as shown in fig. 7, when the circuit breaker provided in the embodiment of the present invention is assembled with the position signal device, it is preferable to pass a part of the area of the switch base 10 through the mounting hole 410, and clamp the connection portion to fix the switch base 10, and then clamp and fix the terminal base 20 from the other side of the mounting hole 410.
The terms first, second, left and right in the description and the claims of the present invention and in the above-described drawings, etc. are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to the listed steps or elements but may include steps or elements not expressly listed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A position signaling device, comprising:
the switch comprises a switch seat (10) and a micro switch, wherein a placing groove (110) is formed in the switch seat (10), and the micro switch is arranged in the placing groove (110);
the auxiliary terminal is electrically connected with the micro switch and is fixedly arranged on the terminal seat (20);
the connecting part is arranged between the switch seat (10) and the terminal seat (20), is in interference fit with the switch seat (10) and the terminal seat (20), and forms a clearance groove when the connecting part is in interference fit with the switch seat (10) or the terminal seat (20), and the position signal device is fixed at the design position of the position signal device through the clearance groove.
2. The position signaling device of claim 1, wherein said connection portion comprises a card (30), said card (30) comprising:
the switch seat (10) is provided with a limiting column (120) and a positioning protrusion (130), the U-shaped groove (310) is used for enabling the limiting column (120) to slide into and be clamped, and the positioning protrusion (130) is clamped into the positioning hole (320) when the limiting column (120) slides to the U-shaped bottom of the U-shaped groove (310);
the lock catch (330) comprises at least two locking parts (3310) which are arranged at intervals, clamping grooves (210) with the same number as the locking parts (3310) are formed in one side of the terminal seat (20), and the single locking parts (3310) are in interference clamping connection with the single clamping grooves (210).
3. The position signal device according to claim 2, wherein a disc (140) is fixedly arranged at one end of the limiting post (120) far away from the mounting surface of the switch base (10), the diameter of the disc (140) is larger than that of the limiting post (120), and the disc (140) and the mounting surface are positioned at two sides of the U-shaped groove (310).
4. The position signal device according to claim 1, wherein the placement groove (110) is provided with a wire groove (1110) for outgoing wires and wires of the micro switch.
5. The position signal device according to claim 1, wherein three placing grooves (110) are arranged on the switch base (10), three micro switches are respectively arranged in the three placing grooves (110) at intervals, and the three micro switches are used for indicating breaking, testing and connecting three locking positions of the circuit breaker.
6. The position signaling device according to claim 1, characterized in that the switch seat (10) is further provided with a blanking hole (150).
7. The position signal device according to claim 1, characterized in that the terminal block (20) has a box structure for providing the auxiliary terminal, and that a side of the terminal block (20) facing the switch block (10) is a grid structure (250) having a groove.
8. The position signal device according to claim 1, wherein opposite sides of the terminal block (20) are provided with a first protrusion (220) and a first slot (230) in a snap fit manner, and a plurality of the terminal blocks (20) are sequentially connected through the first protrusion (220) and the first slot (230) in the snap fit manner.
9. The position signal device according to claim 1, wherein a side of the terminal block (20) for carrying the auxiliary terminal is provided with a plurality of threaded holes (240) for screw-fastening the auxiliary terminal.
10. A circuit breaker comprising a drawer base (40) and a position signal device, wherein the position signal device is a position signal device according to any one of claims 1-9, and a mounting hole (410) for clamping and fixing the clearance groove of the position signal device is formed in a side plate on at least one side of the drawer base (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310225253.8A CN116169593A (en) | 2023-03-09 | 2023-03-09 | Position signal device and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310225253.8A CN116169593A (en) | 2023-03-09 | 2023-03-09 | Position signal device and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116169593A true CN116169593A (en) | 2023-05-26 |
Family
ID=86414697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310225253.8A Pending CN116169593A (en) | 2023-03-09 | 2023-03-09 | Position signal device and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116169593A (en) |
-
2023
- 2023-03-09 CN CN202310225253.8A patent/CN116169593A/en active Pending
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