CN203707729U - Residual current relay controller circuit - Google Patents
Residual current relay controller circuit Download PDFInfo
- Publication number
- CN203707729U CN203707729U CN201420090925.5U CN201420090925U CN203707729U CN 203707729 U CN203707729 U CN 203707729U CN 201420090925 U CN201420090925 U CN 201420090925U CN 203707729 U CN203707729 U CN 203707729U
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- circuit module
- circuit
- module
- residual current
- relay controller
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Abstract
The utility model relates to a residual current relay controller circuit which comprises a power circuit module, an MCU circuit module, a communication circuit module, a human-computer interaction module, a voltage signal conditioning circuit module, a residual current signal conditioning circuit module, a current signal conditioning circuit module, an MCU required circuit module and a reclosure execution circuit module, wherein the communication circuit module, the human-computer interaction module, the power circuit module, the voltage signal conditioning circuit module, the residual current signal conditioning circuit module, the current signal conditioning circuit module, the MCU required circuit module and the reclosure execution circuit module are respectively connected with the MCU circuit module; and the power circuit module contains a main power three-phase power-supply module, a current transformer self-generating power-supply module and an external auxiliary power supply module. According to the residual current relay controller circuit provided by the utility model, through main power three-phase power supply, safety and reliable operation of the power circuit are guaranteed. Overload, short circuit and short circuit short-time delay protection properties are high, and requirements of different clients can be met.
Description
Technical field
The utility model relates to a kind of controller circuitry, more particularly, relates to a kind of residual current relay controller circuitry.
Background technology
Current residual current relay controller circuitry, is generally made up of MCU circuit, power circuit, the required circuit of MCU, man machine operation interface, reclosing executive circuit, voltage signal conditioning circuit and residual current signal conditioning circuit.Its shortcoming: 1, power circuit adopts main power source single phase power supply, can only select A, N, and any one group of main working power as controller in B, N and C, N, once the phase phase shortage in main working power causes controller circuitry normally to work; 2, there is no current detecting and defencive function, so that power circuit cannot realize spontaneous electric function of supplying power, cause controller circuitry cannot normally work in the time of primary source failure; 3, reclosing executive circuit generally adopts adhesive or the release of single control module control A.C. contactor, causes being used in conjunction with circuit breaker; 4, without communication function, cause networking using, can not meet client's actual demand completely.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of residual current relay controller circuitry, comprising: power circuit module, and described residual current relay controller circuitry also comprises:
MCU circuit module; The communication circuit module, human-computer interaction module, power circuit module, voltage signal conditioning circuit module, residual current signal conditioning circuit module, current signal conditioning circuit module, the required circuit module of MCU, the reclosing executive circuit module that are connected with described MCU circuit module respectively;
Wherein, described power circuit module comprises main power source three phase supply module, the spontaneous electric supply module of current transformer and external accessory power supply supply module.
In residual current relay controller circuitry described in the utility model, described reclosing executive circuit module further comprises: A.C. contactor control module and breaker control module.
In residual current relay controller circuitry described in the utility model, described human-computer interaction module further comprises display.
In residual current relay controller circuitry described in the utility model, described MCU circuit module further comprises MSP430F149.
In residual current relay controller circuitry described in the utility model, described communication circuit module further comprises SN65HVD485.
In residual current relay controller circuitry described in the utility model, described voltage signal conditioning circuit module further comprises differential amplifier circuit and filter circuit.
In residual current relay controller circuitry described in the utility model, described residual current signal conditioning circuit module further comprises filter circuit and precise rectification circuit.
In residual current relay controller circuitry described in the utility model, described current signal conditioning circuit module further comprises filter circuit and reverse amplification circuit.
In residual current relay controller circuitry described in the utility model, the required circuit module of described MCU further comprises clock circuit, power circuit and reset circuit.
Implement residual current relay controller circuitry of the present utility model; there is following beneficial effect: by main power source three phase supply; guarantee that power circuit trouble free service is reliable, overload, short circuit and short circuit short time-delay protective value are strong, can meet different customer demands.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is residual current relay controller circuitry composition schematic diagram in prior art;
Fig. 2 is the module diagram of the first embodiment of the utility model residual current relay controller circuitry.
Embodiment
Referring to Fig. 1, is residual current relay controller circuitry composition schematic diagram in prior art.
Refer to Fig. 2, for being the module diagram of the first embodiment of the utility model residual current relay controller circuitry.As shown in Figure 2, in the residual current relay controller circuitry providing at the utility model the first embodiment, at least comprise power circuit module; MCU circuit module; The communication circuit module, human-computer interaction module, power circuit module, voltage signal conditioning circuit module, residual current signal conditioning circuit module, current signal conditioning circuit module, the required circuit module of MCU, the reclosing executive circuit module that are connected with described MCU circuit module respectively; Wherein, described power circuit module comprises main power source three phase supply module, the spontaneous electric supply module of current transformer and external accessory power supply supply module.
Preferably, described reclosing executive circuit module further comprises: A.C. contactor control module and breaker control module.
Preferably, described human-computer interaction module further comprises display.
Preferably, described MCU circuit module further comprises MSP430F149.
Preferably, described communication circuit module further comprises SN65HVD485.
Preferably, described voltage signal conditioning circuit module further comprises filter circuit and precise rectification circuit.
Preferably, described residual current signal conditioning circuit module further comprises filter circuit and precise rectification circuit.
Preferably, described current signal conditioning circuit module further comprises filter circuit and reverse amplification circuit.
Preferably, the required circuit module of described MCU further comprises clock circuit, power circuit and reset circuit.
The utility model is by the design of above the first embodiment, there is beneficial effect: one, power circuit module adopts main power source three phase supply, can effectively solve current main power source single phase power supply, when a phase phase shortage in working power, cause the defect of product cisco unity malfunction; The spontaneous electric power supply circuit of current transformer, can effectively solve controller in the time that main power voltage lost efficacy, and can guarantee that controller circuitry normally works; Be equipped with external accessory power supply simultaneously, in the time there is no main power source, can facilitate user to inquire about failure logging and operation control; Two, communication circuit module can be realized networking according to different communications protocol, to meet different customer demands; Three, current signal conditioning circuit module, can monitor current loading condition constantly, realizes overload, short circuit and short circuit short time-delay protection simultaneously, makes up the defect of current residual current relay controller no-current protection; Four, reclosing executive circuit module comprises A.C. contactor control module and breaker control module, can be equipped with A.C. contactor or circuit breaker according to different customer demands, solves the poor defect of current residual current relay controller versatility.
The utility model is described according to specific embodiment, but it will be understood by those skilled in the art that in the time not departing from the utility model scope, can carry out various variations and be equal to replacement.In addition,, for adapting to the specific occasion of the utility model technology, can carry out many modifications and not depart from its protection range the utility model.Therefore, the utility model is not limited to specific embodiment disclosed herein, and comprises all embodiment that drop into claim protection range.
Claims (9)
1. a residual current relay controller circuitry, comprising: power circuit module, it is characterized in that, and described residual current relay controller circuitry also comprises:
MCU circuit module; The communication circuit module, human-computer interaction module, power circuit module, voltage signal conditioning circuit module, residual current signal conditioning circuit module, current signal conditioning circuit module, the required circuit module of MCU, the reclosing executive circuit module that are connected with described MCU circuit module respectively;
Wherein, described power circuit module comprises main power source three phase supply module, the spontaneous electric supply module of current transformer and external accessory power supply supply module.
2. residual current relay controller circuitry according to claim 1, is characterized in that, described reclosing executive circuit module further comprises: A.C. contactor control module and breaker control module.
3. residual current relay controller circuitry according to claim 1, is characterized in that, described human-computer interaction module further comprises display.
4. residual current relay controller circuitry according to claim 1, is characterized in that, described MCU circuit module further comprises MSP430F149.
5. residual current relay controller circuitry according to claim 1, is characterized in that, described communication circuit module further comprises SN65HVD485 and filter circuit.
6. residual current relay controller circuitry according to claim 1, is characterized in that, described voltage signal conditioning circuit module further comprises differential amplifier circuit and filter circuit.
7. residual current relay controller circuitry according to claim 1, is characterized in that, described residual current signal conditioning circuit module further comprises filter circuit and precise rectification circuit.
8. residual current relay controller circuitry according to claim 1, is characterized in that, described current signal conditioning circuit module further comprises filter circuit and reverse amplification circuit.
9. residual current relay controller circuitry according to claim 1, is characterized in that, the required circuit module of described MCU further comprises clock circuit, power circuit and reset circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090925.5U CN203707729U (en) | 2014-03-03 | 2014-03-03 | Residual current relay controller circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090925.5U CN203707729U (en) | 2014-03-03 | 2014-03-03 | Residual current relay controller circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203707729U true CN203707729U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420090925.5U Expired - Fee Related CN203707729U (en) | 2014-03-03 | 2014-03-03 | Residual current relay controller circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203707729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840423A (en) * | 2014-03-03 | 2014-06-04 | 长城电器集团有限公司 | Residual current relay controller circuit |
-
2014
- 2014-03-03 CN CN201420090925.5U patent/CN203707729U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840423A (en) * | 2014-03-03 | 2014-06-04 | 长城电器集团有限公司 | Residual current relay controller circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170822 Address after: 2-1 No. 325000 Zhejiang city of Wenzhou province Yueqing North white elephant white town road (South) Patentee after: Zhejiang Kai FA Electric Co., Ltd. Address before: 2-1 No. 325000 Zhejiang North white elephant Yueqing White Town Road Patentee before: CNC Electric Group Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171031 Address after: 2-1 No. 325000 Zhejiang North white elephant Yueqing White Town Road (South) Patentee after: Zhejiang Kai FA Electric Co., Ltd. Address before: 2-1 No. 325000 Zhejiang North white elephant Yueqing White Town Road Patentee before: CNC Electric Group Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 No. 2-1 Baixiang Avenue, Beibeixiang Town, Yueqing City, Zhejiang Province (South Building) Patentee after: Great Wall Electrical Appliance Group Zhejiang Technology Co., Ltd. Address before: 325000 No. 2-1 Baixiang Avenue, Beibeixiang Town, Yueqing City, Zhejiang Province (South Building) Patentee before: Zhejiang Kai FA Electric Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20200303 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |