CN204189728U - A kind of functional module of circuit breaker and circuit breaker - Google Patents
A kind of functional module of circuit breaker and circuit breaker Download PDFInfo
- Publication number
- CN204189728U CN204189728U CN201420674143.6U CN201420674143U CN204189728U CN 204189728 U CN204189728 U CN 204189728U CN 201420674143 U CN201420674143 U CN 201420674143U CN 204189728 U CN204189728 U CN 204189728U
- Authority
- CN
- China
- Prior art keywords
- circuit
- circuit breaker
- functional module
- breaker
- resistance
- 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.)
- Active
Links
Landscapes
- Breakers (AREA)
Abstract
The utility model discloses a kind of functional module of circuit breaker, belong to low-voltage electrical technical field.Functional module of the present utility model to utilize in existing circuit breaker reflection point, the auxiliary switch of "on" position and/or the alarm switch of reflection trip status, the opening and closing state of circuit breaker and/or trip status are detected, and carry out data communication by communication interface and host computer, thus circuit breaker is made to realize connected network communication and centralized monitor.Functional module of the present utility model also can the control of the integrated motor-operating mechanism to circuit breaker and the function such as output of reporting to the police further.The invention also discloses a kind of circuit breaker using above-mentioned functions module.The utility model does not need to change existing thermomagnetic circuit breaker structure, circuit breaker can be made to realize connected network communication and centralized monitor as long as install this functional module.
Description
Technical field
The utility model relates to a kind of functional module and circuit breaker of circuit breaker, belongs to low-voltage electrical technical field.
Background technology
The high speed development of national economy, impel electric utility to develop rapidly, electrical network constantly expands.Circuit breaker, as one of important electric elements in distribution system, bears the joint weldment of circuital current, and transshipping, the fault such as short circuit and ground connection time reliably can cut off rapidly circuit, protection electrical power distribution network and industrial equipment are from damage.Low-voltage circuit breaker function from initial in power supply-distribution system to cut-off and the various electric parameter measurement and protection, warning etc. that can realize circuit breaker infield are developed in closed regular link and the basis of cut-offfing faulty line, the multiple stage circuit breaker in power supply-distribution system is required to realize connected network communication, centralized monitor etc.But because existing low-voltage circuit breaker is still based on traditional Thermomagnetic type, it does not also possess communication function without intelligent electrical apparatus release, so be difficult to realize connected network communication and centralized monitor.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiency that traditional thermomagnetic circuit breaker cannot realize connected network communication and centralized monitor, a kind of functional module of circuit breaker is provided, can to circuit breaker point, "on" position is or/and trip status detects, and can communicate with the external world, thus circuit breaker is made to realize connected network communication and centralized monitor.
The utility model is concrete by the following technical solutions:
A kind of functional module of circuit breaker, described circuit breaker comprises reflection point, the auxiliary switch of "on" position and/or the alarm switch of reflection trip status, described functional module comprises: at least one state detection circuit be connected with described auxiliary switch/alarm switch, for the communication interface circuit communicated with host computer, for controlling the motor-operating mechanism action of circuit breaker thus can realizing grasping control circuit to the electricity of the Long-distance Control of electric operating mechanism of circuit-breaker, and microcontroller circuit and alarm output circuit, described state detection circuit, communication interface circuit, electricity behaviour's control circuit and alarm output circuit are connected with microcontroller circuit respectively.
Preferably, described state detection circuit comprises the first ~ three resistance and an electric capacity, first resistance and the second resistant series are between the positive and negative electrode of power supply, first resistance is connected with one end of auxiliary switch/alarm switch altogether with one end of the mid point of the second resistance, described electric capacity, one end of the 3rd resistance, the other end of auxiliary switch/alarm switch, the other end of described electric capacity are connected altogether with power cathode, and the other end of the 3rd resistance is connected with described microcontroller circuit.
A kind of circuit breaker, comprises the breaker body with annex chamber, and reflection point, the auxiliary switch of "on" position and/or the alarm switch of reflection trip status, is provided with functional module as described in technique scheme in described annex chamber.
Compared to existing technology, the utility model has following beneficial effect:
Functional module of the present utility model can be arranged in the annex chamber of circuit breaker internal neatly, by detecting the detection that contents realizes circuit breaker deciliter state and trip status as the state of auxiliary contact, alarm actuating contact, and realizes and outside communication; Functional module of the present utility model also can realize the control of the motor-operating mechanism of circuit breaker and the functions such as output of reporting to the police further; The utility model does not need to change existing thermomagnetic circuit breaker structure, circuit breaker can be made to realize connected network communication and centralized monitor as long as install this functional module.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a preferred embodiment of functional module of the present utility model;
Fig. 2 is the structural representation of circuit breaker of the present utility model; Wherein, 1 is breaker body, and 2 is functional module, and 3 is auxiliary switch, and 4 is alarm switch;
Fig. 3 is the circuit diagram of the power circuit in preferred embodiment;
Fig. 4 is the circuit diagram of the state detection circuit in preferred embodiment;
Fig. 5 is the circuit diagram of the microcontroller circuit in preferred embodiment;
Fig. 6 is the circuit diagram of the communication interface circuit in preferred embodiment;
Fig. 7 is the circuit diagram of the electricity behaviour control circuit in preferred embodiment;
Fig. 8 is the circuit diagram of the alarm output circuit in preferred embodiment.
Embodiment
Technical spirit of the present utility model and beneficial effect can be fully understood in order to make the public; applicant will describe in detail embodiment of the present utility model below by reference to the accompanying drawings; but applicant is not the restriction to technical scheme to the description of embodiment, any changing in the form rather than substance according to the utility model design all should be considered as protection range of the present utility model.
Thinking of the present utility model to utilize in existing circuit breaker reflection point, the auxiliary switch of "on" position and/or the alarm switch of reflection trip status, the opening and closing state of circuit breaker and/or trip status are detected, and carry out data communication by communication interface and host computer, thus circuit breaker is made to realize connected network communication and centralized monitor.Functional module of the present utility model also can the control of the integrated motor-operating mechanism to circuit breaker and the function such as output of reporting to the police further.In order to make public understanding, with a preferred embodiment, the technical solution of the utility model is described in detail below.
Fig. 1 shows the basic structure of the functional module of this preferred embodiment, as shown in the figure, functional module of the present utility model comprises the auxiliary switch with circuit breaker, the state detection circuit that alarm switch connects, for the communication interface circuit communicated with host computer, for controlling the electricity behaviour control circuit of the motor-operating mechanism action of circuit breaker, alarm output circuit and microcontroller circuit, state detection circuit, state detection circuit, electricity behaviour control circuit, alarm output circuit is connected with microcontroller circuit respectively, the electric energy that external auxiliary power supply provides is supplied to each circuit by power circuit.Opening and closing state detected by microcontroller circuit accepting state testing circuit and/or trip status information, and carry out data communication by the communication interface circuit that is connected with communication bus and outside, simultaneously can according to the instruction of host computer or the program prestored grasp control circuit to electricity, alarm output circuit sends control signal, control motor-operating mechanism action or warning.
As shown in Figure 2, comprise breaker body 1, auxiliary switch 3, the alarm switch 4 with annex chamber, functional module 2 of the present utility model can be installed in the annex chamber of breaker body 1 conventional breaker structure.The state detection circuit of functional module 2 is connected with auxiliary switch 3, alarm switch 4, and by receiving auxiliary switch 3, the signal of alarm switch 4 realizes dividing circuit breaker, the detection of "on" position and trip status.
The power circuit of Fig. 3 for adopting in the present embodiment, this power circuit is primarily of filter circuit and linear voltage regulator composition.As shown in Figure 3, the filter circuit that direct current 24V power supply forms through electric capacity C1, common mode choke L1, electric capacity C2, then through counnter attack diode D1, current-limiting resistance R1, electric capacity C4, inputs to step-down chip N1, produces system operating voltage VCC.Prime filter circuit improves the antijamming capability of EMC.Step-down chip N1 preferentially adopts MAX1615.
State detection circuit of the present utility model, for detecting the location status of breaker open operation, combined floodgate or dropout.When only having an alignment detection circuit, circuit-breaker switching on-off state or trip status can be detected, preferentially for detecting opening and closing state; When there being at least two alignment detection circuits, breaker open operation, combined floodgate and trip status can be detected simultaneously.For two alignment detection circuits in the present embodiment, as shown in Figure 4, the output signal of two state detection circuits is respectively S1, S2.S1 is the signal that divide-shut brake position detecting circuit produces, S2 is the signal that trip positions testing circuit produces, connector X1, X2 are connected with the exit of auxiliary switch, the exit of alarm switch respectively, only have when circuit breaker is in trip positions, and alarm switch is just closed; When circuit breaker is in closing position, auxiliary switch is just closed.Due to the promotion of breaker mechanism, during circuit breaker position state variation, auxiliary switch, alarm switch or closed or disconnection, VCC is through resistance R5, resistance R6 dividing potential drop, and another road VCC is through resistance R8, resistance R9 dividing potential drop.When breaker closing, the auxiliary switch connecting connector X1 closes, and the conducting of connector X1 short circuit is by resistance R6 short circuit, and now S1 is low level, and S2 is high level; When breaker open operation, the auxiliary switch connecting connector X1 is in off-state, and connector X1 opens a way, and S1 is high level, and S2 is high level; When circuit breaker tripping, the alarm switch connecting connector X2 closes, and the conducting of connector X2 short circuit is by resistance R9 short circuit, and now S2 is low level, and S1 is high level.Microcontroller goes out the location status of circuit breaker according to the change energy real-time judge of input signal S1, S2, and carries out divide-shut brake counting and counting of threading off.
Fig. 5 is the microcontroller circuit in the present embodiment, and microcontroller circuit is made up of resistance R2, R3 and microcontroller N2, and microcontroller N2, according to input signal S1, the S2 from state detection circuit, judges opening and closing state and the trip status of circuit breaker.When receiving the data request command of host computer, microcontroller first replys data to host computer by communication interface circuit, then sends the signals such as separating brake, combined floodgate, warning respectively according to instruction.Described microcontroller N2 preferentially adopts RL78 series.
Fig. 6 is the communication interface circuit in the present embodiment, and communication interface circuit is used for carrying out transfer of data when circuit breaker communicates with host computer.This communication interface circuit is made up of 485 interface chip N3, pull-up resistor R11, pull down resistor R10, TVS pipe FV1, FV2 and common mode choke L2, and wherein TVS pipe plays surge protective effect, and common mode choke strobes, and improves antijamming capability.A, B end can be connected with host computer, and user is by instructions query circuit-breaker status and carry out Long-distance Control.
Fig. 7, Fig. 8 are respectively electricity behaviour control circuit, alarm output circuit in the present embodiment.Described electricity behaviour control circuit, for controlling motor-operating mechanism action, can adopt optocoupler, solid-state relay isolation and amplifier etc.Described alarm output circuit can adopt the outputs such as optocoupler, solid-state relay, transistor.Preferably, the present embodiment selects optocoupler as switch element, and after microcontroller receives the order of host computer combined floodgate, 14 human hair combing wastes of microcontroller N2 go out the high level of lasting 1s, optocoupler N4 conducting, controls electricity behaviour execution closing operation.In like manner, when performing separating brake order, 13 human hair combing wastes of microcontroller N2 go out the high level of lasting 1s, optocoupler N5 conducting, control electricity behaviour and perform sub-switching operation.After circuit breaker tripping, 18 human hair combing wastes of microcontroller N2 go out alarm signal, cause optocoupler N6 conducting, and B1, B2 hold output passive contact signal, and such as B1, B2 hold external indicating circuit, then light indicator light, send warning message.
It is little that functional module of the present utility model takies volume, simple and convenient, can be arranged in internal accessories of breaker chamber, meets that circuit breaker is multi-functional, modularization, miniaturized development trend.After this functional module is connected with host computer, user can read circuit-breaker switching on-off state in real time, and remote control of circuit breaker divide-shut brake, realizes remote monitoring.By this functional module, the circuit breaker not possessing communication function can be made to have communication function, the networkingization realizing host computer and circuit breaker one-to-many manages.Can be applicable to most of existing thermomagnetic circuit breaker, the scope of application is wide, and cost is lower.
Claims (3)
1. the functional module of a circuit breaker, described circuit breaker comprises reflection point, the auxiliary switch of "on" position and/or the alarm switch of reflection trip status, it is characterized in that, described functional module comprises: at least one state detection circuit be connected with described auxiliary switch/alarm switch, for the communication interface circuit communicated with host computer, for controlling the electricity behaviour control circuit of the motor-operating mechanism action of circuit breaker, and microcontroller circuit and alarm output circuit, described state detection circuit, communication interface circuit, electricity behaviour's control circuit and alarm output circuit are connected with microcontroller circuit respectively.
2. functional module as claimed in claim 1, it is characterized in that, described state detection circuit comprises the first ~ three resistance and an electric capacity, first resistance and the second resistant series are between the positive and negative electrode of power supply, first resistance is connected with one end of auxiliary switch/alarm switch altogether with one end of the mid point of the second resistance, described electric capacity, one end of the 3rd resistance, the other end of auxiliary switch/alarm switch, the other end of described electric capacity are connected altogether with power cathode, and the other end of the 3rd resistance is connected with described microcontroller circuit.
3. a circuit breaker, comprise the breaker body with annex chamber, and reflection point, the auxiliary switch of "on" position and/or reflection trip status alarm switch, it is characterized in that, in described annex chamber, functional module as described in any one of claim 1 ~ 2 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674143.6U CN204189728U (en) | 2014-11-12 | 2014-11-12 | A kind of functional module of circuit breaker and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674143.6U CN204189728U (en) | 2014-11-12 | 2014-11-12 | A kind of functional module of circuit breaker and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204189728U true CN204189728U (en) | 2015-03-04 |
Family
ID=52621704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420674143.6U Active CN204189728U (en) | 2014-11-12 | 2014-11-12 | A kind of functional module of circuit breaker and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204189728U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063494A (en) * | 2017-12-27 | 2018-05-22 | 德力西电气有限公司 | A kind of communication knapsack for breaker of plastic casing |
| WO2020079346A1 (en) | 2018-10-17 | 2020-04-23 | Crouzet Automatismes | Circuit breaker and unit for managing an electricity distribution network fitted with this circuit breaker |
| CN113785377A (en) * | 2019-03-28 | 2021-12-10 | 西门子能源全球有限公司 | Switching device, high-voltage circuit breaker and method for operating a switching device |
-
2014
- 2014-11-12 CN CN201420674143.6U patent/CN204189728U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108063494A (en) * | 2017-12-27 | 2018-05-22 | 德力西电气有限公司 | A kind of communication knapsack for breaker of plastic casing |
| WO2020079346A1 (en) | 2018-10-17 | 2020-04-23 | Crouzet Automatismes | Circuit breaker and unit for managing an electricity distribution network fitted with this circuit breaker |
| FR3087575A1 (en) * | 2018-10-17 | 2020-04-24 | Crouzet Automatismes | CIRCUIT BREAKER AND UNIT FOR MANAGING AN ELECTRICITY DISTRIBUTION NETWORK EQUIPPED WITH THIS CIRCUIT BREAKER |
| CN113785377A (en) * | 2019-03-28 | 2021-12-10 | 西门子能源全球有限公司 | Switching device, high-voltage circuit breaker and method for operating a switching device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203444081U (en) | Monitoring and control system for permanent magnetic mechanism breaker | |
| CN103683178B (en) | Data center equipment and over-current and under-voltage protection circuit thereof | |
| CN204189728U (en) | A kind of functional module of circuit breaker and circuit breaker | |
| CN204029102U (en) | A kind of electrical fire monitoring device based on modified two lines bus | |
| CN106383462A (en) | Intelligent controller and data processing method | |
| CN204203345U (en) | A kind of voltage detecting circuit | |
| CN201966149U (en) | Plastic-housing circuit breaker with communication function | |
| CN204361791U (en) | A kind of circuit structure of intelligent low-pressure distribution terminal | |
| CN107632198B (en) | Dual-power electric quantity acquisition device and application method thereof | |
| CN107309886A (en) | A kind of household intelligent robot system | |
| CN203104114U (en) | Marine intelligent circuit breaker | |
| CN103633613B (en) | Too little current automatic power-off protection circuit and charger | |
| CN101359030A (en) | Earthing discrimination, monitor and alarm unit for electrical power system in substation | |
| CN211702506U (en) | Lighting control device based on internet of things | |
| CN103605048A (en) | Street lamp circuit operation state detector based on fault indicator | |
| CN208862636U (en) | Transforming plant DC power supply smart measure and control device | |
| CN206272139U (en) | A kind of electronic type of distribution terminal it is anti-jump and point, combined floodgate monitoring arrangement | |
| CN202939429U (en) | Arc extinguishing cabinet controller | |
| CN203387299U (en) | Electrical load control management device | |
| CN201674281U (en) | Electrical leakage protector with wireless communication function | |
| CN206946232U (en) | A kind of circuit for electrical control | |
| CN205429867U (en) | Dual -power switch power monitoring circuit and dual -power switch controller | |
| CN201674280U (en) | Earth leakage protective device having remote communication function | |
| CN205194630U (en) | Circuit breaker with detect feedback and remote control and divide disconnected function | |
| CN205333715U (en) | Multi -functional table of direct current based on TM7707 difference chip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |