CN111696833A - Controller assembly and circuit breaker - Google Patents
Controller assembly and circuit breaker Download PDFInfo
- Publication number
- CN111696833A CN111696833A CN201910184112.XA CN201910184112A CN111696833A CN 111696833 A CN111696833 A CN 111696833A CN 201910184112 A CN201910184112 A CN 201910184112A CN 111696833 A CN111696833 A CN 111696833A
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- CN
- China
- Prior art keywords
- controller
- base
- protection module
- circuit breaker
- replacement protection
- Prior art date
- 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.)
- Pending
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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
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
-
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention provides a controller assembly which comprises a controller base (200), a controller (300) and a pluggable replacement protection module (400), wherein the controller (300) and the pluggable replacement protection module (400) can be plugged into the controller base (200), a plurality of plugs are arranged on the controller base (200), and the controller (300) and the pluggable replacement protection module (400) can be electrically connected with the controller base (200) through the plugs. When the controller is replaced, the whole contact system of the circuit breaker does not need to be disconnected, and the controller can be replaced only by inserting the pluggable replacement protection module into the controller base, then detaching the old controller and reloading the old controller into a new controller.
Description
Technical Field
The invention relates to the field of low-voltage power distribution, in particular to a controller assembly and a circuit breaker using the same.
Background
Along with the development of national economy, the requirements of the society on the quality, safety and reliability of a power grid are improved, the power grid is required to work continuously and stably in some important occasions and working conditions, and therefore higher requirements are provided for the universal circuit breaker, namely the universal circuit breaker is required to have more reliable fault protection function, and the power failure maintenance time is required to be reduced as much as possible, even the power is maintained without power failure.
In the existing universal circuit breaker structure, electronic components in a controller are easy to age relatively, the service life is relatively short, once the controller is damaged, the circuit breaker faces a non-fault protection state, the whole circuit system faces a great safety problem, and due to the structural relation, when the controller is replaced, a main circuit of the circuit breaker needs to be powered off, the circuit breaker is removed and disassembled, the controller can be replaced, and obviously, the controller needs longer maintenance time and power-off time. These deficiencies present a significant potential safety hazard, quality defects, and inconvenience to routine maintenance to the overall power supply system.
In view of the above problems, some companies have developed a controller that can be directly hot-plugged without disconnecting the power supply or disconnecting the circuit breaker. However, these circuit breakers have a problem in that when the controller is replaced, the circuit breaker will be in an unprotected state, which means that if a fault occurs in the current loop during the replacement process, the whole circuit will not be protected safely, and in the extreme, serious equipment and personnel safety accidents may occur.
Disclosure of Invention
In view of the above background, the present invention provides a controller with dual protection functions and capable of hot plugging (without power failure and without disassembling the circuit breaker), so as to solve the above problems.
The technical scheme of the invention is as follows:
a controller assembly comprises a controller base, a controller and a pluggable replacement protection module, wherein the controller and the pluggable replacement protection module can be plugged into the controller base, a plurality of plugs are arranged on the controller base, and the controller and the pluggable replacement protection module can be electrically connected with the controller base through the plugs.
Preferably, a protrusion is arranged at the bottom of the controller, the protrusion can be inserted into the controller base, and the pluggable replacement protection module is arranged below the protrusion.
Preferably, the plug includes a first connection plug, a second connection plug and a third connection plug, the controller base is electrically connected to the transformer through the first connection plug, electrically connected to the controller through the second connection plug, and electrically connected to the pluggable replacement protection module through the third connection plug.
Preferably, the second connection plug and the third connection plug are electrically connected in parallel, the second connection plug and the first connection plug are electrically connected in series, and the first connection plug and the third connection plug are electrically connected in series.
Preferably, the pluggable replacement protection module comprises a signal acquisition module and a processing module, and the signal acquisition module can acquire voltage or current information and transmit the voltage or current information to the processing module.
The present invention also provides a circuit breaker comprising: as above controller subassembly, at least one base and a face guard, be equipped with contact system and mutual-inductor in the base, contact system is through disconnection or closed control switch on or disconnection of electric current in the circuit breaker, the controller subassembly is located the base with the casing that the face guard encloses to form, and with the mutual-inductor links to each other, the controller subassembly will the signal that the mutual-inductor sensed is gathered and is handled, provides electrical protection function for the circuit breaker.
Preferably, a square hole is formed in the face mask, and the controller or the pluggable replacement protection module can pass through the square hole to be connected with the controller base.
Preferably, the square hole is in clearance fit with the controller or the pluggable alternative protection module.
Preferably, the face guard is provided with a turnover panel, and the turnover panel corresponds to the pluggable replacement protection module.
Preferably, the controller base is fixed on the base.
The invention has the following beneficial effects:
1. and simultaneously, two sets of protection function modules are provided.
2. The process of replacing the controller does not require disassembly of the circuit breaker mask.
3. When the controller is replaced, the pluggable replacement protection module provides electrical protection, so that the circuit safety during replacement can be guaranteed.
4. The main circuit does not need to be cut off in the process of replacing the controller, and the contact system always keeps a connected state.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be 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 to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of the installation of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is an exploded schematic view of the circuit breaker body in the present invention.
Fig. 4 is a schematic diagram of a mask and a controller, an alternative protection module that can be plugged and unplugged, according to the present invention.
Fig. 5 is a schematic view of a connector plug of the controller base of the present invention.
Fig. 6 is a schematic diagram of a controller, a pluggable replacement protection module, and a connection plug of a controller base according to the present invention.
Fig. 7 is a schematic diagram of a wiring plug of the transformer and the controller base in the invention.
Fig. 8 is a schematic view of the installation of the transformer and the controller base on the body.
Fig. 9 is a schematic view of the manner in which the controller is fixed to the controller base according to the present invention.
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.
As shown in fig. 1 to 9, the present invention provides a controller assembly having a dual protection function and supporting hot plug, the controller assembly includes a controller base 200, a controller 300 and a pluggable replacement protection module 400, the controller base 200 is fixedly connected to a base 130 of a circuit breaker 100, a first connection plug 210, a second connection plug 220 and a third connection plug 230 are disposed on the controller base 200, the controller base 200 is electrically connected to a transformer 120 disposed in the circuit breaker body 100 through the first connection plug 210, the controller base 200 is electrically connected to the controller 300 through the second connection plug 220, and the controller base is electrically connected to the pluggable replacement protection module 400 through the third connection plug 230.
The second connection plug 220 and the third connection plug 230 are electrically connected in parallel, the first connection plug 210 and the second connection plug 220 are electrically connected in series, and the first connection plug 210 and the third connection plug 230 are electrically connected in series.
The controller 300 passes through the square hole 141 of the face mask 140 and is electrically connected with the controller base 200 through the second connection plug 220, specifically, a protrusion 330 is arranged at the bottom of the controller 300, the protrusion 330 can be inserted into the controller base 200, a connection terminal is arranged on the protrusion 330, and the connection terminal is connected with the second connection plug 220, so that the electrical connection between the controller 220 and the controller base 200 is realized. The controller 300 is provided at upper and lower ends thereof with protruding fixing blocks 310, respectively, and the long-leg screws 320 pass through screw holes provided in the fixing blocks 310, thereby fixing the controller 300 to the controller base 200.
The pluggable replacement protection module 400 is disposed under the protrusion 330 of the controller 300, and can be inserted into the controller base 200 through the face mask 140, and electrically connected to the controller base 200 through the third connection plug 230. Of course, the pluggable replacement protection module 400 may also be disposed above, to the left, or to the right of the protrusion 330, or may be disposed on the protrusion 330, and may be adjusted according to the space design of the controller 300, and there is a case where the protrusion 330 is not designed on some controllers, at this time, the pluggable replacement protection module 400 may be disposed on the controller 300, or may be disposed in any direction of the controller 300, as long as the pluggable replacement protection module 400 is connected to the controller base 200, which is not limited herein, and in this embodiment, the pluggable replacement protection module 400 is disposed below the protrusion 330.
A signal acquisition module and a processing module are arranged in the pluggable replacement protection module 400, the signal acquisition module can be used for acquiring voltage and current information of the circuit breaker 100 and transmitting the acquired voltage and current information to the processing module, the processing module performs data processing on the received voltage and current information and performs parameter correction, whether faults such as overload and short circuit exist in the circuit breaker is judged according to the result of the data processing, if the circuit breaker has the faults, the processing module outputs instructions to an operating mechanism, a magnetic flux resetting mechanism and the like of the circuit breaker, so that when the controller 200 needs to be replaced or maintained due to maintenance or faults and the like, the pluggable replacement protection module 400 is inserted into the square hole 141 of the circuit breaker 100, then the controller 200 is taken out of the circuit breaker 100, and the pluggable replacement protection module 400 replaces the controller 200 to play a role in protecting the circuit breaker 100, after the controller 200 is repaired or replaced, the pluggable replacement protection module 400 is taken out of the circuit breaker 100.
Another object of the present invention is to provide a circuit breaker 100, wherein the controller assembly is disposed in the circuit breaker 100, the circuit breaker 100 includes a contact system 110, a transformer 120, a base 130, and a mask 140, the base 130 and the mask 140 are fixed to form a housing of the circuit breaker 100, the contact system 110 and the transformer 120 are disposed in the housing enclosed by the base 130 and the mask 140, a square hole 141 is disposed in the housing and can accommodate the controller assembly to pass through the square hole 141, and the square hole 141 is in clearance fit with the controller assembly.
The face shield 140 of the circuit breaker 100 is further provided with a rotatable turnover panel, the turnover panel is arranged on the square hole 141 and corresponds to the installation position of the pluggable alternative protection module 400, when the controller 300 works normally, the pluggable alternative protection module 400 is pulled out of the controller base 200, and the turnover panel covers a cavity, which accommodates the pluggable alternative protection module 400, on the face shield 140, so that the appearance of the circuit breaker 100 is ensured, the circuit breaker 100 is protected, and sundries are prevented from falling into the circuit breaker through the cavity, and the normal work of the circuit breaker is ensured; when the controller 300 needs to be repaired or replaced, the turnover panel rotates to expose the cavity, and then the pluggable replacement protection module 400 is plugged into the circuit breaker 100.
When the controller is replaced, the contact system 110 of the whole circuit breaker does not need to be disconnected, and the controller can be replaced only by inserting the pluggable replacement protection module 400 into the controller base 200, then detaching the old controller and reinstalling the old controller into a new controller. Therefore, the protection function of the whole maintenance process is not lost, and meanwhile, the main loop does not need to be powered off, and compared with the prior art, the maintenance device is safer and more efficient.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and therefore, it will be apparent to those skilled in the art that various changes, substitutions of equivalents, modifications, etc. can be made therein without departing from the spirit and scope of the invention and are intended to be included within the scope of the appended claims.
The above is merely a preferred embodiment of the present invention, and those skilled in the art can make various changes or modifications to the embodiment of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.
Claims (10)
1. A controller assembly comprises a controller base (200), a controller (300) and a pluggable replacement protection module (400), and is characterized in that the controller (300) and the pluggable replacement protection module (400) can be inserted into the controller base (200), the controller base (200) is provided with a plurality of plugs, and the controller (300) and the pluggable replacement protection module (400) can be electrically connected with the controller base (200) through the plugs.
2. A controller assembly according to claim 1, wherein the bottom of the controller (300) is provided with a protrusion (330), the protrusion (330) can be inserted into the controller base (200), and the pluggable replacement protection module (400) is arranged below the protrusion (330).
3. A controller assembly according to claim 1, wherein the plugs comprise a first connection plug (210), a second connection plug (220) and a third connection plug (230), the controller base (200) being electrically connected to the transformer 120 via the first connection plug (210), to the controller (300) via the second connection plug (220) and to the pluggable replacement protection module (400) via the third connection plug (230).
4. A control assembly according to claim 3, wherein said second connector plug (220) and said third connector plug (230) are electrically connected in parallel, said second connector plug (220) and said first connector plug (210) are electrically connected in series, and said first connector plug (210) and said third connector plug (230) are electrically connected in series.
5. A controller assembly according to claim 1, wherein the pluggable replacement protection module (400) comprises a signal acquisition module and a processing module, wherein the signal acquisition module can acquire voltage or current information and transmit the voltage or current information to the processing module.
6. A circuit breaker, comprising: the controller assembly of any one of claims 1 to 5, at least one base (130) and a face shield (140), wherein the base (130) has the contact system (110) and the transformer (120) disposed therein, and wherein the controller assembly is disposed in a housing defined by the base (130) and the face shield (140) and connected to the transformer (120).
7. The circuit breaker according to claim 6, wherein a square hole (141) is provided on the face shield (140), and the controller (300) or the pluggable replacement protection module (400) can be connected to the controller base (200) through the square hole (141).
8. The circuit breaker of claim 7, wherein said square hole (141) is clearance fitted with said controller (300) or said pluggable replacement protection module (400).
9. The circuit breaker according to claim 7, characterized in that said face shield (140) is provided with a flip panel corresponding to said pluggable replacement protection module (400).
10. A circuit breaker according to claim 6 wherein said controller mount (200) is fixed to said base (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184112.XA CN111696833A (en) | 2019-03-12 | 2019-03-12 | Controller assembly and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184112.XA CN111696833A (en) | 2019-03-12 | 2019-03-12 | Controller assembly and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111696833A true CN111696833A (en) | 2020-09-22 |
Family
ID=72474690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910184112.XA Pending CN111696833A (en) | 2019-03-12 | 2019-03-12 | Controller assembly and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111696833A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2220797A (en) * | 1988-05-20 | 1990-01-17 | Telemecanique | Control system and selector device for a contactor apparatus |
| CN202307723U (en) * | 2011-09-30 | 2012-07-04 | 上海良信电器股份有限公司 | Breaker inserting device capable of hot plugging controller |
| CN102693882A (en) * | 2011-03-22 | 2012-09-26 | 上海市电力公司 | A universal circuit breaker with a hot-pluggable controller |
| CN103681141A (en) * | 2013-12-02 | 2014-03-26 | 上海良信电器股份有限公司 | Mounting structure of standby protective module of breaker replacement controller |
| CN105811377A (en) * | 2014-12-31 | 2016-07-27 | 上海良信电器股份有限公司 | Built-in protection module control circuit used for replacing controller of breaker |
-
2019
- 2019-03-12 CN CN201910184112.XA patent/CN111696833A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2220797A (en) * | 1988-05-20 | 1990-01-17 | Telemecanique | Control system and selector device for a contactor apparatus |
| CN102693882A (en) * | 2011-03-22 | 2012-09-26 | 上海市电力公司 | A universal circuit breaker with a hot-pluggable controller |
| CN202307723U (en) * | 2011-09-30 | 2012-07-04 | 上海良信电器股份有限公司 | Breaker inserting device capable of hot plugging controller |
| CN103681141A (en) * | 2013-12-02 | 2014-03-26 | 上海良信电器股份有限公司 | Mounting structure of standby protective module of breaker replacement controller |
| CN105811377A (en) * | 2014-12-31 | 2016-07-27 | 上海良信电器股份有限公司 | Built-in protection module control circuit used for replacing controller of breaker |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200922 |
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| RJ01 | Rejection of invention patent application after publication |