CN110739186A - Switching-on and switching-off indicating device of circuit breakers - Google Patents
Switching-on and switching-off indicating device of circuit breakers Download PDFInfo
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- CN110739186A CN110739186A CN201911112983.7A CN201911112983A CN110739186A CN 110739186 A CN110739186 A CN 110739186A CN 201911112983 A CN201911112983 A CN 201911112983A CN 110739186 A CN110739186 A CN 110739186A
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- 230000003139 buffering effect Effects 0.000 description 4
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
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Abstract
The invention discloses an switching-closing indicating device of a circuit breaker, which comprises an indicating component, a reset structure and a driving rod, wherein the indicating component is rotatably arranged on an installation part of a shell of the circuit breaker, the reset structure is arranged between the indicating component and the installation part, the driving rod is arranged in the shell of the circuit breaker in a reciprocating manner and is driven by a contact mechanism, the driving rod is connected with an elastic transmission part of the indicating component, and the driving rod drives the indicating component to trigger a signal indicating switch to be switched on or switched off through the elastic transmission part in the reciprocating movement towards or away from the elastic transmission part.
Description
Technical Field
The invention relates to the technical field of low-voltage circuit breakers, in particular to a switching-on and switching-off indicating device of circuit breakers.
Background
The plastic shell type circuit breaker is usually adopted as a terminal switch or a branch switch in a low-voltage distribution system, a power circuit and mechanical equipment are protected in real time, in order to better observe the working state of the plastic shell type circuit breaker, the opening and closing state of the circuit breaker can be displayed according to the opening and closing action of the moving contact through the opening and closing indicating device arranged on the plastic shell type circuit breaker, so that the working state of the circuit breaker can be clearly judged during line maintenance, maintenance and circuit closing, and the line safety and personnel safety are guaranteed.
Chinese patent document CN2017517626U discloses molded case circuit breakers with electromechanical body opening and closing indication function, including an opening and closing indication mechanism and a control circuit board arranged in a housing, the opening and closing indication mechanism includes a support, an indicator, a micro switch, the support is fixed in the housing, the indicator is hinged on the support and rotates relative to the support, the end of the indicator passes through the housing and is connected with a driving part, the other end of the indicator is provided with an indication part, the driving part is a rotating shaft for driving a moving contact to open and close the switch, end of the indicator is provided with an inclined plane convenient for driving the rotating shaft, and a pressing part for pressing the micro switch is bent and formed at the side of the indicator, i.e. the rotating shaft pushes the indicator to rotate when opening the switch, and moves away from the inclined plane of the indicator when closing, a fit clearance is inevitably formed between the rotating shaft of the opening and closing indication mechanism and the inclined plane of the indicator, friction loss is inevitably caused by frequent rotating contact between the rotating shaft and the inclined plane, the fit clearance between the rotating shaft is inevitably increased, the inaccurate and the pressing part makes the position of the indicating mark inaccurate and the micro switch not correct, therefore, the assembly precision of the shaft is required for strict assembly.
Therefore, the conventional switching indicator device adopts a mode that the driving rod directly pushes to indirectly drive the indicator to move instead of directly driving the indicator to rotate, for example, chinese patent document CN207441609U discloses a circuit breaker switching indicator, which comprises a housing, a microswitch, an indicating component and a power structure for driving the indicating component to trigger the microswitch, wherein the power structure comprises a rotating arm, a reset structure and a driving rod, the rotating arm is rotatably arranged in the housing and drives an action end of the indicating component to move along a preset track in a rotating process, the driving rod is arranged in the housing in a reciprocating manner, an end abuts against an end of the rotating arm with an inclined plane, and an end extends out of the housing and abuts against the movable contact, when the movable contact performs switching, the driving rod is pushed to move upwards to abut against the rotating arm to rotate, and the rotating arm drives the indicating component to move according to the preset track.
Therefore, the above patent documents show that the conventional opening/closing indication device has the following problems in practical use: 1. the moving contact and the rotating shaft are instantly switched on and off to generate large energy and high speed, according to the hard connection relation among the driving rod, the rotating arm and the indicating component, the driving rod directly acts on the rotating arm, the impact effect on the end part of the rotating arm is large, the possibility of damage and even breakage is caused, the transmission resistance is large, the blocking is easy, and the structural reliability is poor; 2. when the opening and closing stroke of the moving contact is high, the upward moving distance of the driving rod is limited, so that the driving rod is forced to press the stroke of the moving contact, and the stroke range of the moving contact cannot be well met.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems that the switching-on and switching-off indicating device in the prior art directly acts on the rotating arm through the driving rod to transmit motion to the indicating component, so that the possibility of impact damage and even breakage to the end part of the rotating arm is caused, the structural reliability is poor, and the moving contact stroke range cannot be well met, thereby providing switching-on and switching-off indicating devices of the circuit breaker, which have stress buffering effect on the driving rod, have good structural stability and can meet the condition of large stroke of a contact mechanism.
In order to solve the above technical problem, the present invention provides an switching on/off indicating device for a circuit breaker, comprising:
the indicating component is rotatably arranged on the mounting part of the breaker shell;
a signal indication switch attached to the attachment portion with respect to the indication member;
a reset structure provided between the indicating member and the mounting portion, and applying a biasing force to the indicating member to rotate toward a side away from the signal indicating switch ;
the driving rod is arranged in the breaker shell in a reciprocating way, the end of the driving rod penetrates through the mounting part, and the other end of the driving rod is driven by a contact mechanism in the breaker shell;
the elastic transmission part is connected with the driving rod and the indicating part, and the driving rod drives the indicating part to trigger the signal indicating switch to be turned on or turned off through the elastic transmission part in the reciprocating movement of the driving rod towards or away from the direction of the elastic transmission part.
As preferred schemes, the indication component passes through the fixed axle and rotates and set up in on the installation department, elastic transmission spare is established for the cover the installation department with the torsion spring structure on the fixed axle between the indication component.
, the end of the torsion spring structure is inserted into the mounting hole of the indication member, and the other end of the torsion spring structure abuts against the end of the driving rod passing through the mounting part.
As preferred solutions, the mounting portion and the circuit breaker housing are correspondingly provided with a through hole suitable for the driving rod to pass through, and an arc groove suitable for connecting the torsion spring structure end is formed at the end of the driving rod.
As preferable solutions, a spring is disposed between the mounting portion and the driving rod, the spring is sleeved on the end of the driving rod, the end of the spring abuts against the bottom surface of the mounting portion, and the end of the spring is limited on a limit pin disposed on the driving rod.
As preferred schemes, a guide sleeve for guiding the movement of the driving rod is arranged in the circuit breaker shell corresponding to the through hole, and the driving rod is movably arranged between the guide sleeve and the mounting part in a penetrating way.
As preferable schemes, a guide hole suitable for the driving rod to pass through and a containing groove communicating the guide hole and the through hole are arranged in the guide sleeve, and the spring and the limit pin are contained in the containing groove.
the signal indicating switch has a trigger button facing the indicating component, the indicating component includes a pressing end opposite to the trigger button, and an indicating panel arranged on the top of the indicating component, the pressing end is pressed and contacted or separated with the trigger button when rotating with the indicating component.
As preferred schemes, the reset structure is a tension spring, and two ends of the tension spring are respectively connected in the indicating component and the hanging hole formed by the mounting part.
preferred schemes, the breaker shell is provided with a limit rod component which is matched and propped against the indicating component.
As preferred schemes, the installation part is a mounting plate detachably arranged at the upper end of the breaker shell, and the mounting plate is provided with a mounting groove suitable for mounting the signal indication switch.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the invention provides a circuit breaker switching-on and switching-off indicating device, when a contact mechanism is switched off, a driving rod moves towards an elastic transmission rod, an indicating component is driven to trigger the signal indicating switch to be opened by pushing against the elastic transmission component, so that the signal indicating switch sends a switching-off signal, when the contact mechanism is switched on, the driving rod moves towards the direction far away from the elastic transmission rod, and at the moment, the indicating component and the elastic transmission component reset under the action of a resetting structure, so that the signal indicating switch is separated from the indicating component and a switching-on signal is sent out. The action of extrusion deformation to the elastic transmission part is larger, the movement stroke of the driving rod is effectively improved, the condition that the movement stroke of the contact mechanism is larger can be met, the opening and closing indicating device for rice is accurate and reliable in halving and closing signal output, good in structural stability, reliable in matching transmission and capable of improving the service performance of products.
2. According to the circuit breaker opening and closing indicating device provided by the invention, the elastic transmission part is a torsion spring structure sleeved on the fixed shaft, the other end of the torsion spring structure can be extruded when the driving rod moves upwards, so that the torsion spring structure transmits motion and force to the indicating part in the compression deformation process to realize opening and closing rotation operation of the indicating part, the torsion spring structure plays a role in buffering the driving rod in the transmission process, and simultaneously plays a role in reacting the driving rod according to the deformation force of the torsion spring structure to assist the downward movement of the driving rod, so that the action sensitivity and reliability of the driving rod are improved.
3. According to the circuit breaker opening and closing indicating device provided by the invention, the driving rod can upwards jack up the torsion spring structure when passing through the through hole of the mounting part, namely the torsion spring structure is deformed and buffered along with the trend, so that the upward movement of the driving rod is not blocked, the movement stroke is increased, according to the torsion spring structure, the other end is abutted against the arc groove formed by the driving rod, the other end of the torsion spring structure is limited by the arc groove, the torsion spring structure is prevented from being separated from the driving rod, the mounting stability is good, and the matching transmission is reliable.
4. According to the circuit breaker opening and closing indicating device provided by the invention, the guide sleeve plays a role in motion guide when the driving rod reciprocates towards or away from the elastic transmission part, so that the end of the driving rod can accurately and reliably penetrate through the through hole of the mounting part, the driving rod is prevented from position deviation in the motion process, and the mounting stability is good.
5. According to the circuit breaker opening and closing indicating device, the guide hole and the containing groove are formed in the guide sleeve, the spring and the limiting pin are contained in the containing groove, the spring and the limiting pin are installed and limited through the containing groove, the spring and the limiting pin can be prevented from being exposed, and the installation protection performance is good.
6. According to the breaker opening and closing indicating device provided by the invention, the limiting rod assembly matched and abutted with the indicating component is arranged on the breaker shell, and the maximum rotation stroke of the indicating component can be limited through the limiting rod assembly, so that the condition that the indicating surface of the indicating component is not in a correct position due to the fact that the rotation stroke of the indicating component is too large is avoided, and a user can be ensured to accurately and reliably observe the opening or closing indicating information displayed on the indicating surface.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of a switching-on/off indicating device of a circuit breaker provided by the invention;
FIG. 2 is a schematic cross-sectional structure diagram of the opening and closing indicating device of the present invention;
FIG. 3 is a schematic view of an installation structure of the opening and closing indicating device of the invention;
fig. 4 is a schematic plan structure view of the opening and closing indicating device of the invention;
FIG. 5 is a schematic structural view of a guide sleeve of the present invention;
description of reference numerals: 1-indication part, 11-pressing end, 12-indication panel, 2-signal indication switch, 3-reset structure, 4-driving rod, 40-arc groove, 41-spring, 42-limit pin, 5-elastic transmission piece, 6-installation part, 61-fixed shaft, 62-through hole, 7-breaker shell, 71-contact structure, 72-limit rod component, 8-guide sleeve, 81-guide hole and 82-containing groove.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are partial embodiments, but not all embodiments .
In the description of the present invention, it should be noted that the terms "", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "connected" are used to mean, for example, either fixedly or removably connected or physically connected, mechanically or electrically connected, directly or indirectly connected through an intermediary, or communicating between two elements.
Example 1
This embodiment provides kind of deciliter indicating device of circuit breaker as described in fig. 1-5, includes:
an indicating member 1 rotatably provided on a mounting portion 6 of the circuit breaker case 7;
a signal indication switch 2 attached to the attachment portion 6 with respect to the indication member;
a reset mechanism 3 provided between the indicating member 1 and the mounting portion 6, for applying a biasing force to the indicating member 1 to rotate toward a side away from the signal indicating switch 2 ;
a driving rod 4 reciprocally disposed in the breaker case 7, having an end penetrating the mounting portion 6 and a end driven by a contact mechanism 71 in the breaker case 7;
the elastic transmission piece 5 is connected with the driving rod 4 and the indicating component 1, and in the reciprocating movement of the driving rod 4 towards or away from the elastic transmission piece 5, the indicating component is driven by the elastic transmission piece 5 to trigger the signal indicating switch 2 to be opened or closed, namely, when the breaker is opened, the contact mechanism drives the driving rod to move towards the elastic transmission piece 5, the elastic transmission piece 5 drives the indicating component to rotate towards the signal indicating switch 2, thereby triggering the signal indicating switch 2 to open, and when the circuit breaker is switched on, the contact mechanism 71 drives the driving rod to move towards the direction far away from the elastic transmission piece 5, at the moment, the elastic transmission piece 5 can restore the deformation, and under the action of the reset structure 3, the indicating component 1 is driven to reset and rotate towards the direction away from the signal indicating switch, and the information indicating switch 2 is closed when being separated from the indicating component.
In the core technical solution of this embodiment in the above embodiment, when the contact mechanism 71 performs a switching-off operation, the driving rod 4 moves towards the elastic driving rod 5, the elastic driving member 5 is pushed to drive the indicating component 1 to trigger the signal indicating switch 2 to be turned on, so that the signal indicating switch 2 sends a switching-off signal, and when the contact mechanism performs a switching-on operation, the driving rod 4 moves towards a direction away from the elastic driving rod, at this time, the indicating component 1 and the elastic driving member reset under the action of the resetting structure 3, so that the signal indicating switch 4 is separated from the indicating component 1 and sends a switching-on signal, by adopting the technical solution, the elastic driving member 5 transmits a motion and a force between the driving rod 4 and the indicating component 1, and also performs a stress buffering action, so as to reduce a direct impact action of the driving rod on the indicating component, the switching-on and switching-off indicating device is high in transmission efficiency and free of jamming, the moving distance of the driving rod 4 towards the elastic transmission part is not limited by the design, the extrusion deformation effect on the elastic transmission part is larger, the moving stroke of the driving rod 4 is effectively improved, and the condition that the moving stroke of a contact mechanism for switching on and switching off is larger can be met.
The specific arrangement of the elastic transmission member will be described in detail with reference to fig. 1 to 3:
instruct part 1 to rotate through fixed axle 61 set up in on the installation department 6, elastic transmission spare 5 establishes for the cover install department 6 with instruct the torsion spring structure on the fixed axle 61 between the part 6, all play the effect of installation location through the fixed axle to instruct part and torsion spring structure, it is specific, the end of torsion spring structure wears to establish in the mounting hole of indicating part 1, its end butt is in addition the actuating lever 4 passes of installation department 6 is served, this kind of structure sets up, can extrude the end in addition of torsion spring structure when actuating lever 4 moves up, make the torsion spring structure in the compression deformation in-process to instruct part 1 transmission motion and power to realize instructing part 1's divide-shut brake rotation operation, the torsion spring structure plays the cushioning effect to the actuating lever in the transmission process, and simultaneously can be right according to the deformation power of torsion spring structure actuating lever 4 plays the reaction effect for the motion that moves down of auxiliary drive lever, thereby promote actuating lever 4's action sensitivity and reliability.
In this embodiment, as shown in fig. 3, the installation department 6 with the circuit breaker casing 7 corresponds and is provided with suitably the through-hole 62 that the actuating lever 4 passed, the end shaping of actuating lever 4 has the suitable connection the circular arc recess 40 of end in addition of the torsional spring structure, this kind of structure setting, the actuating lever 4 passes can upwards jack-up during the through-hole of installation department 6 the torsional spring structure, take place the deformation buffering with the situation when torsional spring structure is extrudeed promptly, thereby can not block the upward movement of actuating lever 4, the actuating lever motion stroke of design like this is big, and is low again to the assembly requirement, according to the torsional spring structure in addition end butt is in the fashioned circular arc recess of actuating lever 4, plays limiting displacement through circular arc recess 40 to the other end of torsional spring structure, prevents that the torsional spring structure from breaking away from on the actuating lever 4, and the installation is stable good.
In order to ensure that the driving rod 4 can stably and reliably realize a reset function, a spring 41 is arranged between the mounting part 6 and the driving rod 4, the spring 41 is sleeved on the end of the driving rod 4, the end of the spring abuts against the bottom surface of the mounting part 6, the end of the spring is limited on a limit pin 42 arranged on the driving rod 4, the spring 41 drives the driving rod 4 to move towards the direction far away from the elastic transmission piece 5 when the contact mechanism is switched on, and the other end of the driving rod 4 is ensured to reliably abut against a movable contact of the contact mechanism 71, so that the matching transmission is reliable.
Combine shown in fig. 4-5, correspond in the circuit breaker casing 7 through-hole 62 is provided with right the uide bushing 8 that the motion of actuating lever 4 led to, the mobilizable wearing to establish of actuating lever 4 uide bushing 8 with between the installation department 6, it is right through uide bushing 8 actuating lever 4 plays the motion guide effect when making reciprocating motion towards or keeping away from the elastic drive spare direction, guarantees that the end of actuating lever 4 can accurately reliably pass the through-hole of installation department 61, thereby prevents actuating lever 4 position excursion takes place in the motion process, and installation stability is good.
, a guide hole 81 suitable for the driving rod to pass through and a containing groove 82 communicated with the guide hole 81 and the through hole 62 are arranged in the guide sleeve 8, the spring 41 and the limit pin 42 are contained in the containing groove 82, and the structure is arranged so that the spring 41 and the limit pin 42 can be prevented from being exposed through the containing groove 82, and the installation protection performance is good.
The specific arrangement of the indicating member and the signal indicating switch will be described in detail with reference to fig. 1 to 4:
the signal indicating switch 2 is a microswitch, which has a trigger button facing the indicating component 1, the indicating component 1 includes a pressing end 11 opposite to the trigger button, and an indicating panel 12 arranged on the top of the indicating component 1, the indicating panel is provided with an opening and closing indicating mark, the pressing end 11 is pressed against or separated from the trigger button when rotating along with the indicating component 1, so as to trigger the signal indicating switch 2 to be opened or closed, wherein the separation rotation of the indicating component 1 and the signal indicating switch 2 is mainly realized by the driving of the acting force applied by the reset structure 3, the reset structure 3 is a tension spring, the two ends of the tension spring are respectively connected in the hanging holes formed by the indicating component 1 and the mounting part 6, so as to reliably realize the reset motion of the indicating component, the indication panel 12 correspondingly shows the opening and closing state of the circuit breaker by rotating along with the indication component 1.
As shown in fig. 1, the circuit breaker housing 7 is provided with a limiting rod assembly 72 that is matched and abutted against the indicating component, the limiting rod assembly 72 includes two limiting rods that are separately arranged on a rotation path of the indicating component 1 and are used for respectively limiting rotation strokes of the indicating component 1 in opening and closing states, and this structural arrangement can limit a maximum rotation stroke of the indicating component 1 through the limiting rod assembly 72, thereby avoiding a situation that an indicating surface of the indicating component is not positioned due to an excessively large rotation stroke of the indicating component 1, and ensuring that a user can accurately and reliably observe opening or closing indicating information displayed on the indicating surface.
In this embodiment, installation department 6 for can dismantle set up in the mounting panel of circuit breaker casing 7 upper end, indicating component, signal indication switch, reset structure etc. all set up on the mounting panel, be provided with on the mounting panel and be fit for the installation signal indication switch 2's mounting groove, it is right signal indication switch 2 plays spacing installation effect, of course, installation department 6 also can be only certain position of circuit breaker, for example the installation department is the upper cover that sets up on circuit breaker casing upper end, and is here not right is made repeatedly.
The divide-shut brake indicating device that this embodiment provided adopts actuating lever 4 makes straight reciprocating motion's drive mode, through elastic transmission spare 5 drives indicating component 1 rotates and triggers signal indication switch 2 action, and the design has effectively reduced like this the direct impact effect of actuating lever 4 has increased the motion stroke of actuating lever simultaneously, and is also comparatively convenient to the installation of each spare part, can reduce the requirement to the assembly precision, improves assembly efficiency.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (11)
1, the divide-shut brake indicating device of kinds of circuit breakers, its characterized in that includes:
an indicating member (1) rotatably provided on a mounting portion (6) of the circuit breaker case (7);
a signal indication switch (2) attached to the attachment unit (6) with respect to the indication member;
a reset mechanism (3) provided between the indicating member (1) and the mounting portion (6) and applying a biasing force to the indicating member (1) to rotate toward a side away from the signal indicating switch (2) ;
a driving rod (4) which is arranged in the breaker shell (7) in a reciprocating way, wherein the end of the driving rod passes through the mounting part (6), and the end of the driving rod is driven by a contact mechanism (71) in the breaker shell (7);
elastic transmission spare (5), connect actuating lever (4) with indicate part (1), during actuating lever (4) orientation or keep away from elastic transmission spare (5) direction reciprocating motion, through elastic transmission spare (5) drive indicate the part to trigger signal indication switch (2) are opened or are closed.
2. The opening/closing indicating device of a circuit breaker according to claim 1, wherein: indicate part (1) rotate through fixed axle (61) set up in on installation department (6), elastic transmission spare (5) are established for the cover install department (6) with indicate torsional spring structure on fixed axle (61) between part (6).
3. The switch-on/off indicating device of the circuit breaker according to claim 2, wherein an end of the torsion spring structure is inserted into the mounting hole of the indicating component (1), and the other end of the torsion spring structure abuts on a end of the driving rod (4) which penetrates through the mounting part (6).
4. The switching-on and switching-off indicating device of the circuit breaker according to claim 2 or 3, characterized in that the mounting part (6) and the circuit breaker shell (7) are correspondingly provided with through holes (62) suitable for the driving rod (4) to pass through, and an arc groove (40) suitable for connecting the other end of the torsion spring structure is formed at the end of the driving rod (4).
5. The switching-on and switching-off indicating device of the circuit breaker according to claim 4, characterized in that a spring (41) is arranged between the mounting part (6) and the driving rod (4), the spring (41) is sleeved on the end of the driving rod (4), the end of the spring abuts against the bottom surface of the mounting part (6), and the end of the spring is limited on a limit pin (42) arranged on the driving rod (4).
6. The opening/closing indicating device of the circuit breaker according to claim 5, wherein: correspond in circuit breaker casing (7) through-hole (62) are provided with right the guide sleeve (8) that the motion of actuating lever (4) led, the mobilizable dress of wearing to establish of actuating lever (4) guide sleeve (8) with between installation department (6).
7. The opening/closing indicating device of a circuit breaker according to claim 6, wherein: a guide hole (81) suitable for the driving rod to penetrate through and a containing groove (82) communicated with the guide hole (81) and the through hole (62) are formed in the guide sleeve (8), and the spring (41) and the limiting pin (42) are contained in the containing groove (82).
8. The switching-on and switching-off indicating device of the circuit breaker according to any of claims 5-7, wherein the signal indicating switch (2) is provided with a trigger button facing the indicating component (1), the indicating component (1) comprises a pressing end (11) opposite to the trigger button and an indicating panel (12) arranged at the top of the indicating component (1), and the pressing end (11) is in pressing contact with or separated from the trigger button when rotating along with the indicating component (1).
9. The opening/closing indicating device of a circuit breaker according to claim 8, wherein: the reset structure (3) is a tension spring, and two ends of the tension spring are respectively connected to the indicating component (1) and the mounting part (6) in the formed hanging hole.
10. The opening/closing indicating device of a circuit breaker according to claim 9, wherein: and a limiting rod assembly (72) matched and abutted with the indicating component is arranged on the breaker shell (7).
11. The opening/closing indicating device of the circuit breaker according to claim 9 or 10, wherein: installation department (6) for can dismantle set up in the mounting panel of circuit breaker casing (7) upper end, be provided with on the mounting panel and be fit for the installation the mounting groove of signal indication switch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911112983.7A CN110739186B (en) | 2019-11-14 | 2019-11-14 | Switching-on/off indicating device of circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911112983.7A CN110739186B (en) | 2019-11-14 | 2019-11-14 | Switching-on/off indicating device of circuit breaker |
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| CN110739186A true CN110739186A (en) | 2020-01-31 |
| CN110739186B CN110739186B (en) | 2024-09-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111446131A (en) * | 2020-04-29 | 2020-07-24 | 浙江天正电气股份有限公司 | State indication structure of distribution electrical appliance |
| CN113451932A (en) * | 2020-03-24 | 2021-09-28 | 河南平芝高压开关有限公司 | Connecting seat for installing opening and closing confirmation device and GIS |
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| WO2016173119A1 (en) * | 2015-04-30 | 2016-11-03 | 浙江天正电气股份有限公司 | Circuit breaker |
| CN107644791A (en) * | 2017-10-31 | 2018-01-30 | 浙江天正电气股份有限公司 | A kind of feedback mechanism of reclosing and there is its breaker |
| CN207587660U (en) * | 2017-12-27 | 2018-07-06 | 乾友科技有限公司 | A kind of brake-separating/closing indication device of circuit breaker |
| CN109637905A (en) * | 2019-02-28 | 2019-04-16 | 浙江天正电气股份有限公司 | A kind of divide-shut brake detection device of breaker of plastic casing |
| CN210443508U (en) * | 2019-11-14 | 2020-05-01 | 浙江天正电气股份有限公司 | Switching-on and switching-off indicating device of circuit breaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113451932A (en) * | 2020-03-24 | 2021-09-28 | 河南平芝高压开关有限公司 | Connecting seat for installing opening and closing confirmation device and GIS |
| CN113451932B (en) * | 2020-03-24 | 2024-06-04 | 河南平芝高压开关有限公司 | Connecting seat for installing opening and closing confirming device and GIS |
| CN111446131A (en) * | 2020-04-29 | 2020-07-24 | 浙江天正电气股份有限公司 | State indication structure of distribution electrical appliance |
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| CN110739186B (en) | 2024-09-24 |
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