CN113284776A - Circuit breaker contact system convenient to assembly - Google Patents
Circuit breaker contact system convenient to assembly Download PDFInfo
- Publication number
- CN113284776A CN113284776A CN202110540053.2A CN202110540053A CN113284776A CN 113284776 A CN113284776 A CN 113284776A CN 202110540053 A CN202110540053 A CN 202110540053A CN 113284776 A CN113284776 A CN 113284776A
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- Prior art keywords
- comb
- base
- circuit breaker
- support
- contact
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/38—Plug-and-socket contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/502—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position the action of the contact pressure spring becoming active only after engagement of the contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5844—Electric connections to or between contacts; Terminals making use of wire-gripping clips or springs
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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
- H01H71/08—Terminals; Connections
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The invention discloses a circuit breaker contact system convenient to assemble, which comprises a base and at least one contact mechanism arranged on the base, wherein the contact mechanism comprises a cushion block, a comb-shaped contact plate, a comb-shaped plate spring, a thin plate spring and a support, the comb-shaped contact plate, the comb-shaped plate spring and the thin plate spring are respectively fixed on the left side and the right side of the cushion block from inside to outside through first fasteners, the support is fixed on the front side and the rear side of the cushion block through second fasteners, a third fastener penetrates through one side of the cushion block far away from the support, the cushion block is fixedly connected with the base after the third fastener penetrates through the support, and the protruding part of the comb-shaped contact plate relative to the cushion block is used as an insertion area of a body bus or a base bus. The invention has reasonable structural design and simple and easy operation in the assembly process, and only the fasteners need to be stacked and screwed correctly; the contact can still move within a certain range, and the contact is prevented from being collided by positioning errors when the body is inserted.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a circuit breaker contact system convenient to assemble.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like; furthermore, no parts need to be changed after breaking the fault current.
The traditional circuit breaker contact system has the disadvantages in use, firstly, the assembly is complicated, and the assembly can be realized only by pulling the tension spring open in advance by a special tool and a cylinder; secondly, its design leads to its clamp to drop on the generating line fairly easily, even have the muscle on the generating line to hook the contact inner stop, nevertheless receive the effect not good, and vibrations in the transportation can both make it pop out and drop. Therefore, it is necessary to optimize and improve it.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned problems in the prior art and providing a circuit breaker contact system that is easy to assemble.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the utility model provides a circuit breaker contact system convenient to assembly, includes the base and locates at least one contact mechanism on it, contact mechanism includes cushion, comb type touch panel, comb type leaf spring, thin leaf spring and support, the left and right sides of cushion is respectively through first fastener by interior toward external fixation comb type touch panel, comb type leaf spring and thin leaf spring, both sides are fixed with the support through the second fastener around the cushion, the cushion is located the one side of keeping away from the support and wears to be equipped with the third fastener, and runs through behind the support with cushion and base fixed connection, the both ends of comb type touch panel are for the outside protrusion of cushion, and keep away from between the protrusion of support regional insert region as the body generating line, are close to the insert region as the base generating line between the protrusion of support.
Furthermore, in the circuit breaker contact system convenient to assemble, first mounting holes matched with the first fasteners are formed in the left side and the right side of the cushion block, second mounting holes matched with the second fasteners are formed in the front side and the rear side of the cushion block, and third mounting holes matched with the third fasteners are formed in the upper side of the cushion block.
Further, among the above-mentioned circuit breaker contact system convenient to assembly, first perforation has been seted up to plate body center department of comb type touch panel, first fluting has been seted up side by side to plate body of comb type touch panel lies in first fenestrate one side, first fluting is divided into first broach portion with the position, second fluting has been seted up side by side to plate body of comb type touch panel lies in first fenestrate opposite side, the second fluting is divided into second broach portion with the position.
Further, in the above conveniently assembled circuit breaker contact system, the length of the first slot is greater than that of the second slot, the first comb tooth portion is located in the insertion region of the body bus bar, and the second comb tooth portion is located in the insertion region of the base bus bar; the first comb tooth part and the second comb tooth part are respectively provided with an inward sunken depressed part close to the end part, and the height of the depressed part relative to the plane part is 1.3-1.7 mm.
Further, among the above-mentioned circuit breaker contact system convenient to assembly, the second perforation has been seted up to plate body center department of comb type leaf spring, the plate body of comb type leaf spring is located the second perforated one side and has seted up the third fluting side by side, the third fluting is divided into third broach portion with the position, the plate body of comb type leaf spring is located the second perforated opposite side and has seted up the fourth fluting side by side, the fourth fluting is divided into fourth broach portion with the position.
Further, in the above conveniently assembled circuit breaker contact system, the length of the third slot is greater than that of the fourth slot, the third comb tooth portion is located in the insertion region of the body bus bar, and the fourth comb tooth portion is located in the insertion region of the base bus bar; the third comb tooth part and the fourth comb tooth part are respectively provided with an inward sunken depressed part close to the end part, and the height of the depressed part relative to the plane part is 1.8-2.2 mm.
Furthermore, in the circuit breaker contact system convenient to assemble, a first shaft sleeve is sleeved on the outer side of the rod body of the first fastener, the inner end of the first shaft sleeve abuts against the cushion block, a reducing ring for pressing the thin plate spring is arranged at the outer end of the first shaft sleeve, and the length of the first shaft sleeve is set to be capable of pressing the comb-shaped plate spring to deform without pressing the comb-shaped plate spring to be dead on the comb-shaped contact plate; and a second shaft sleeve is sleeved on the outer side of the rod body of the second fastener.
Further, in the circuit breaker contact system convenient to assemble, the support is a U-shaped plate, a third through hole matched with a third fastener is formed in the web portion of the support, waist-shaped holes are symmetrically formed in two side plates of the support, and the support can swing 10-20 degrees on two sides of the cushion block 1 due to the design of the waist-shaped holes.
Further, in the circuit breaker contact system convenient to assemble, mounting grooves corresponding to the number of the contact mechanisms are formed in one side of the base, fastening grooves corresponding to the mounting grooves and communicated with the mounting grooves are formed in the other side of the base, the guide plate is arranged between the mounting grooves and the fastening grooves, and riveting holes matched with the third fasteners are formed in the inner ends of the base buses.
Further, in the circuit breaker contact system convenient to assemble, the base is located on two sides of each fastening groove, and pressing plates are fixed to the two sides of each fastening groove through fourth fasteners, and the base bus can be clamped and fixed by the two opposite pressing plates.
The invention has the beneficial effects that:
1. the contact plate used by the contact has low copper consumption, the functional surface of the contact is arranged on the surface of the strip material, the surface smoothness is quite high, a larger contact surface can be provided during contact, the resistance is reduced, and the temperature rise is reduced. The fittings required by the contact can be assembled purely manually, any tool clamp is not needed, the assembly process is easy to operate, and only the fasteners need to be stacked and screwed correctly.
2. The bracket of the contact can be directly fastened on the bus, and the two sides of the bracket are provided with the kidney-shaped holes, so that the bracket can swing at a certain angle on the two sides of the copper cushion block, the falling risk is completely eliminated after the bracket is installed on the bus, the contact can still move within a certain range, and the contact is prevented from being knocked due to positioning errors when the body is inserted.
3. The invention completely gets rid of the structure that a plurality of pieces of superposed tension springs are respectively tensioned, belongs to the complete innovation on the structure, and fully utilizes the elastic deformation of all materials instead of providing pressure only by the deformation of the tension springs.
4. The invention has better lifting performance, and can reduce the volume on a small-sized drawer seat by respectively reducing one touch plate, manufacturing a narrow copper cushion block and shortening the length of a shaft sleeve; after the volume reduction, the difference between the distance of the contact plates and the thickness of the bus can be slightly increased so as to ensure that an approximate pressure value is reached after the bus is inserted.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a contact mechanism according to the present invention;
FIG. 2 is a schematic front view of a contact mechanism according to the present invention;
FIG. 3 is a schematic view of the structure of the spacer of the present invention;
FIG. 4 is a schematic structural diagram of a comb-shaped touch plate according to the present invention;
FIG. 5 is a schematic view of the structure of the comb-shaped plate spring according to the present invention;
FIG. 6 is a schematic structural view of a first bushing according to the present invention;
FIG. 7 is a schematic structural view of a stent according to the present invention;
FIG. 8 is a schematic structural view of a second bushing according to the present invention;
fig. 9 is a schematic view of the overall structure of the contact system of the circuit breaker according to the present invention;
fig. 10 is a schematic front view of the contact system of the circuit breaker of the present invention;
FIG. 11 is a schematic cross-sectional view taken along plane A-A of FIG. 10;
FIG. 12 is a cross-sectional view taken along plane B-B of FIG. 10;
in the drawings, the components represented by the respective reference numerals are listed below:
1-spacer, 101-first mounting hole, 102-second mounting hole, 103-third mounting hole, 2-comb touch panel, 201-first through hole, 202-first slot, 203-first comb portion, 204-second slot, 205-second comb portion, 3-comb leaf spring, 301-second through hole, 302-third slot, 303-third comb portion, 304-fourth slot, 305-fourth comb portion, 4-thin leaf spring, 5-first fastener, 6-first bushing, 7-bracket, 701-third through hole, 702-kidney hole, 8-second fastener, 9-second bushing, 10-body bus, 11-base bus, 12-base, 13-fourth fastener, 14-press plate, 15-mounting groove, 16-guide plate, 17-fastening groove and 18-third fastening piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, the use of directional terms such as "upper, lower, left, right" generally means upper, lower, left, right as viewed with reference to the accompanying drawings, unless otherwise specified; "inner and outer" refer to the inner and outer relative to the profile of the components themselves.
Referring to fig. 1-12, the present embodiment is a circuit breaker contact system that is easy to assemble and includes a base 12 and at least one contact mechanism disposed thereon. Contact mechanism includes cushion 1, comb type touch panel 2, comb type leaf spring 3, sheet metal spring 4 and support 7, and the left and right sides of cushion 1 is respectively through first fastener 5 by interior toward external fixation comb type touch panel 2, comb type leaf spring 3 and sheet metal spring 4, and comb type touch panel 2 is equipped with two rows altogether, and both sides are fixed with support 7 through second fastener 8 around the cushion 1. A third fastener 18 penetrates through one side of the cushion block 1, which is far away from the bracket 7, and the cushion block 1 and the base 12 are fixedly connected after the third fastener 18 penetrates through the bracket 7. The two ends of the comb-shaped touch plate 2 protrude outwards relative to the cushion block 1, the area between the protruding parts far away from the support 7 is used as the insertion area of the body bus bar 10, and the area between the protruding parts close to the support 7 is used as the insertion area of the base bus bar 11.
As shown in fig. 3, the left and right sides of the cushion block 1 are provided with first mounting holes 101 matched with the first fasteners 5, the front and rear sides of the cushion block 1 are provided with second mounting holes 102 matched with the second fasteners 8, and the upper side of the cushion block 1 is provided with third mounting holes 103 matched with the third fasteners 18. The cushion block 1 is provided with a step surface at the first mounting hole 101, and the lower surface of the step surface is used as a deformation moving area of the comb-shaped touch plate 2.
As shown in fig. 4, a first through hole 201 is formed in the center of the plate body of the comb-shaped touch plate 2, a first open slot 202 is formed in one side of the plate body of the comb-shaped touch plate 2, which is located at the first through hole 201, in parallel, the first open slot 202 divides the plate body into a first comb tooth portion 203, a second open slot 204 is formed in the other side of the plate body of the comb-shaped touch plate 2, which is located at the first through hole 201, in parallel, and the second open slot 204 divides the plate body into a second comb tooth portion 205. The length of the first open slot 202 is greater than that of the second open slot 204, the first comb tooth part 205 is positioned in the insertion region of the body bus bar 10, and the second comb tooth part 205 is positioned in the insertion region of the base bus bar 11; the first comb teeth portion 203 and the second comb teeth portion 205 are respectively provided with a concave portion which is concave inwards near the end portion, and the height of the concave portion relative to the plane portion is 1.5 mm.
As shown in fig. 5, a second through hole 301 is formed in the center of the plate body of the comb-shaped plate spring 3, a third open slot 302 is formed in one side of the plate body of the comb-shaped plate spring 3, which is located at the second through hole 301, in parallel, the third open slot 302 divides the plate body into a third comb-tooth portion 303, a fourth open slot 304 is formed in the other side of the plate body of the comb-shaped plate spring 3, which is located at the second through hole 301, in parallel, and the fourth open slot 304 divides the plate body into a fourth comb-tooth portion 305. The length of the third open slot 302 is greater than that of the fourth open slot 304, the third comb tooth part 303 is located in the insertion region of the body bus bar 10, and the fourth comb tooth part 305 is located in the insertion region of the base bus bar 11; each of the third comb-tooth portion 303 and the fourth comb-tooth portion 305 is provided with a recessed portion recessed inward near an end portion, and the height of the recessed portion with respect to the planar portion is 2 mm.
In this embodiment, the existence of the thin plate spring 4 can increase the fastening action area of the first fastening member 5, so that the elastic deformation of the comb-shaped plate spring 4 is more uniform.
As shown in fig. 6, a first shaft sleeve 6 is sleeved outside a rod body of the first fastening piece 5, the inner end of the first shaft sleeve 6 is abutted against the cushion block 1, a reducing ring for pressing the thin plate spring 4 is arranged at the outer end, and the length of the first shaft sleeve 6 is set to be capable of pressing the comb-shaped plate spring 4 to deform without pressing the comb-shaped plate spring to be dead on the comb-shaped touch plate 2; as shown in fig. 8, a second bushing 9 is sleeved outside the rod body of the second fastening member 8.
As shown in fig. 7, the bracket 7 is a U-shaped plate, the web portion of the bracket 7 is provided with a third through hole 701 engaged with the third fastening member 18, two side plates of the bracket 7 are symmetrically provided with waist-shaped holes 702, and the design of the waist-shaped holes 702 enables the bracket 7 to swing 15 ° on two sides of the cushion block 1. After the contact is installed on the body bus, the falling risk is completely eliminated, the contact can still move within a certain range, and the problem of bumping the contact caused by positioning errors when the body bus 10 is inserted is prevented.
In this embodiment, the cushion block 1, the comb-shaped touch plate 2, and the comb-shaped plate spring 3 are made of copper material.
As shown in fig. 9 to 12, one side of the base 12 is provided with mounting grooves 15 corresponding to the number of the contact mechanisms, the other side of the base 12 is provided with fastening grooves 17 correspondingly communicated with the mounting grooves 15, a guide plate 16 is arranged between the mounting grooves 15 and the fastening grooves 17, and the inner end of the base busbar 11 is provided with a riveting hole matched with a third fastening member 18.
In this embodiment, the base 12 is located on both sides of each fastening slot 17, and the pressing plates 14 are fixed by the fourth fastening members 13, the pressing plates 14 are L-shaped plates, and the base bus 11 can be clamped and fixed by the two opposite pressing plates 14.
One specific application of this embodiment is: the distance between the circular arcs of the comb-shaped touch plates 2 on the contact is 20mm before fastening, but because the drop from the concave parts of the comb-shaped touch plates 2 to the plane is 1.5mm and is copper, the drop from the convex parts of the comb-shaped plate springs with the hardness of 50 to the plane is 2mm, the contact point from the fastening position to the short-end plate is 11.7mm, the contact point to the long end is 29.4, the height difference of 0.5mm and the length of the force arm of the lever are different, and the force arm of the short end is short, the pressure of the comb-shaped plate springs on the comb-shaped touch plates is larger, so that the distance between the short-end touch plates is pressed to 19.5mm, the pressure of the long-end force arm is small, and the distance between the long-end touch plates is 19.8 mm.
The preferred embodiments of the present invention disclosed above are intended to facilitate the explanation of the present invention only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A circuit breaker contact system convenient to assemble which characterized in that: including the base with locate at least one contact mechanism on it, contact mechanism includes cushion, comb type touch panel, comb type leaf spring, thin leaf spring and support, the left and right sides of cushion is respectively through first fastener by interior toward being fixed with comb type touch panel, comb type leaf spring and thin leaf spring outward, both sides are fixed with the support through the second fastener around the cushion, the cushion is located the one side of keeping away from the support and wears to be equipped with the third fastener, and runs through behind the support with cushion and base fixed connection, the both ends of comb type touch panel are for the cushion outside protrusion, and keep away from the regional male zone as the body generating line between the bulge of support, are close to the male zone as the base generating line between the bulge of support.
2. The circuit breaker contact system for facilitating assembly of claim 1, wherein: the left side and the right side of the cushion block are provided with first mounting holes matched with the first fasteners, the front side and the rear side of the cushion block are provided with second mounting holes matched with the second fasteners, and the upper side of the cushion block is provided with third mounting holes matched with the third fasteners.
3. The circuit breaker contact system for facilitating assembly of claim 1, wherein: the plate body center department of comb type touch panel has seted up first perforation, the plate body of comb type touch panel is located first fenestrate one side and has seted up first fluting side by side, first fluting divide into first broach portion with the position, the plate body of comb type touch panel is located first fenestrate opposite side and has seted up the second fluting side by side, the second fluting divide into second broach portion with the position.
4. The circuit breaker contact system for facilitating assembly of claim 3, wherein: the length of the first open slot is greater than that of the second open slot, the first comb tooth part is positioned in the insertion area of the body bus, and the second comb tooth part is positioned in the insertion area of the base bus; the first comb tooth part and the second comb tooth part are respectively provided with an inward sunken depressed part close to the end part, and the height of the depressed part relative to the plane part is 1.3-1.7 mm.
5. The circuit breaker contact system for facilitating assembly of claim 1, wherein: the plate body center department of comb type leaf spring has seted up the second and has perforated, the plate body of comb type leaf spring is located the second fenestrate one side and has seted up the third fluting side by side, the third fluting divide into third broach portion with the place position, the plate body of comb type leaf spring is located the second fenestrate opposite side and has seted up the fourth fluting side by side, the fourth fluting divide into fourth broach portion with the place position.
6. The circuit breaker contact system for facilitating assembly of claim 5, wherein: the length of the third open slot is greater than that of the fourth open slot, the third comb tooth part is positioned in the insertion area of the body bus, and the fourth comb tooth part is positioned in the insertion area of the base bus; the third comb tooth part and the fourth comb tooth part are respectively provided with an inward sunken depressed part close to the end part, and the height of the depressed part relative to the plane part is 1.8-2.2 mm.
7. The circuit breaker contact system for facilitating assembly of claim 1, wherein: a first shaft sleeve is sleeved on the outer side of the rod body of the first fastener, the inner end of the first shaft sleeve is abutted to the cushion block, a reducing ring for pressing the thin plate spring is arranged at the outer end of the first shaft sleeve, and the length of the first shaft sleeve is set to be capable of pressing the comb-shaped plate spring to deform without pressing the comb-shaped plate spring to a comb-shaped touch plate; and a second shaft sleeve is sleeved on the outer side of the rod body of the second fastener.
8. The circuit breaker contact system for facilitating assembly of claim 1, wherein: the support is a U-shaped plate body, a third through hole matched with a third fastener is formed in the web plate portion of the support, kidney-shaped holes are symmetrically formed in the two side plates of the support, and the support can swing 10-20 degrees on the two sides of the cushion block 1 due to the design of the kidney-shaped holes.
9. The circuit breaker contact system for facilitating assembly of claim 1, wherein: the contact mechanism comprises a base, wherein the base is provided with a plurality of contact mechanisms, the contact mechanisms are arranged on the base, the contact mechanisms are arranged on the contact mechanisms, the contact mechanisms are arranged on the base, the contact mechanisms are arranged on the contact mechanisms, the contact mechanisms are arranged on the base, and the contact mechanisms are arranged on the base.
10. The circuit breaker contact system for facilitating assembly of claim 9, wherein: the base is located the both sides of every fastening groove and is fixed with the clamp plate through the fourth fastener, and relative two the clamp plate can be fixed with base generating line centre gripping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540053.2A CN113284776B (en) | 2021-05-18 | 2021-05-18 | Circuit breaker contact system convenient to assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540053.2A CN113284776B (en) | 2021-05-18 | 2021-05-18 | Circuit breaker contact system convenient to assembly |
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| CN113284776A true CN113284776A (en) | 2021-08-20 |
| CN113284776B CN113284776B (en) | 2023-07-25 |
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| CN202110540053.2A Active CN113284776B (en) | 2021-05-18 | 2021-05-18 | Circuit breaker contact system convenient to assembly |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4802059A (en) * | 1985-11-06 | 1989-01-31 | Siemens Aktiengesellschaft | Multiple low-voltage circuit breaker having bus bars |
| US5894405A (en) * | 1997-11-17 | 1999-04-13 | Square D Company | Assembly and method for mounting multiple circuit breakers |
| CN104816081A (en) * | 2015-03-23 | 2015-08-05 | 乐清野岛机电有限公司 | Machining device of large-capacity circuit breaker contact system |
| CN205194625U (en) * | 2015-11-09 | 2016-04-27 | 浙江正泰电器股份有限公司 | Universal type circuit breaker |
| US20180047531A1 (en) * | 2015-03-13 | 2018-02-15 | General Electric Company | Circuit breaker housing and method of assembling |
| CN211295014U (en) * | 2020-03-25 | 2020-08-18 | 常州市耕耘电器有限公司 | Boss type contact piece contact system for circuit breaker |
-
2021
- 2021-05-18 CN CN202110540053.2A patent/CN113284776B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4802059A (en) * | 1985-11-06 | 1989-01-31 | Siemens Aktiengesellschaft | Multiple low-voltage circuit breaker having bus bars |
| US5894405A (en) * | 1997-11-17 | 1999-04-13 | Square D Company | Assembly and method for mounting multiple circuit breakers |
| US20180047531A1 (en) * | 2015-03-13 | 2018-02-15 | General Electric Company | Circuit breaker housing and method of assembling |
| CN104816081A (en) * | 2015-03-23 | 2015-08-05 | 乐清野岛机电有限公司 | Machining device of large-capacity circuit breaker contact system |
| CN205194625U (en) * | 2015-11-09 | 2016-04-27 | 浙江正泰电器股份有限公司 | Universal type circuit breaker |
| CN211295014U (en) * | 2020-03-25 | 2020-08-18 | 常州市耕耘电器有限公司 | Boss type contact piece contact system for circuit breaker |
Non-Patent Citations (2)
| Title |
|---|
| 刘廷良;: "一种新型万能式断路器的触头***结构", 电气技术, no. 03 * |
| 刘廷良;: "新型万能式断路器的桥型触头结构", 电气技术, no. 04 * |
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| CN113284776B (en) | 2023-07-25 |
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