CN206611039U - Duplicate supply control cabinet - Google Patents

Duplicate supply control cabinet Download PDF

Info

Publication number
CN206611039U
CN206611039U CN201720282899.XU CN201720282899U CN206611039U CN 206611039 U CN206611039 U CN 206611039U CN 201720282899 U CN201720282899 U CN 201720282899U CN 206611039 U CN206611039 U CN 206611039U
Authority
CN
China
Prior art keywords
power supply
resistance
circuit
main power
breaker
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
Application number
CN201720282899.XU
Other languages
Chinese (zh)
Inventor
何志兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunming Huier Electrical Appliance Co Ltd
Original Assignee
Kunming Huier Electrical Appliance Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunming Huier Electrical Appliance Co Ltd filed Critical Kunming Huier Electrical Appliance Co Ltd
Priority to CN201720282899.XU priority Critical patent/CN206611039U/en
Application granted granted Critical
Publication of CN206611039U publication Critical patent/CN206611039U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

Abstract

The utility model discloses a kind of duplicate supply control cabinet, including microprocessor, main power supply, main power supply breaker, main power supply state detection circuit, main power supply circuit-breaker status detection circuit, main power supply incoming line cabinet, stand-by power supply, auxiliaries-supply circuit-breaker, stand-by power supply state detection circuit, auxiliaries-supply circuit-breaker state detection circuit, dual power supply switching power distribution cabinet and failure alarm circuit;Main power supply circuit-breaker status detection circuit includes storage capacitor, optocoupler, diode, first resistor, second resistance, 3rd resistor and the 4th resistance, the positive pole of the storage capacitor is connected with one end of the second resistance, the other end of the second resistance is connected with one end of the first resistor and the negative electrode of diode respectively, and the negative electrode of the other end of the first resistor respectively with light emitting diode in the negative pole and optocoupler of the storage capacitor is connected.Implement duplicate supply control cabinet of the present utility model, have the advantages that:The safety and reliability of circuit is higher.

Description

Duplicate supply control cabinet
Technical field
The utility model is related to power distribution cabinet field, more particularly to a kind of duplicate supply control cabinet.
Background technology
Dual power supply switching power distribution cabinet is the visual plant of electric power system power distribution, its control device intelligent level height, directly Connect the reliability for having influence on dual power supply switching power distribution cabinet, be especially widely used in bank, hospital, market, public place, hotel, The dual power supply switching power distribution cabinet control for the important place that data center, factory, airport, escape truck, fire-fighting system etc. can not be powered off Perfect, the raising power supply reliability of device intelligent level processed is harmonious also significant for social stability.Traditional dual power supply Circuit causes the safety and reliability of circuit relatively low due to lacking corresponding circuit protection function in switching power distribution cabinet.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided a kind of circuit The higher duplicate supply control cabinet of safety and reliability.
The utility model solves the technical scheme that its technical problem used:A kind of duplicate supply control cabinet is constructed, including Microprocessor, main power supply, main power supply breaker, main power supply state detection circuit, the detection of main power supply circuit-breaker status Circuit, main power supply incoming line cabinet, stand-by power supply, auxiliaries-supply circuit-breaker, stand-by power supply state detection circuit, stand-by power supply open circuit Device state detection circuit, dual power supply switching power distribution cabinet and failure alarm circuit, the main power supply state detection circuit respectively with The microprocessor and main power supply connection, the main power supply circuit-breaker status detection circuit respectively with the microprocessor and Main power supply breaker is connected, and main power supply and the main power supply breaker is also connected with the main power supply incoming line cabinet, The stand-by power supply state detection circuit is connected with the microprocessor and stand-by power supply respectively, the auxiliaries-supply circuit-breaker shape State detection circuit is connected with the microprocessor and auxiliaries-supply circuit-breaker respectively, the stand-by power supply and auxiliaries-supply circuit-breaker Also be connected with the dual power supply switching power distribution cabinet, the main power supply breaker and auxiliaries-supply circuit-breaker also with it is described micro- Processor is connected, and the failure alarm circuit is connected with the microprocessor;
The main power supply circuit-breaker status detection circuit includes storage capacitor, optocoupler, diode, first resistor, second Resistance, 3rd resistor and the 4th resistance, the positive pole of the storage capacitor are connected with one end of the second resistance, second electricity The other end of resistance is connected with one end of the first resistor and the negative electrode of diode respectively, the other end difference of the first resistor It is connected with the negative electrode of light emitting diode in the negative pole and optocoupler of the storage capacitor, the anode of the diode passes through the described 3rd Resistance is connected with the anode of light emitting diode in the optocoupler, and the colelctor electrode of phototriode passes through the described 4th in the optocoupler Resistance is connected with the microprocessor, the grounded emitter of phototriode in the optocoupler.
In duplicate supply control cabinet described in the utility model, the main power supply circuit-breaker status detection circuit also includes 5th resistance, one end of the 5th resistance is connected with the other end of the first resistor, the other end of the 5th resistance with The negative electrode connection of light emitting diode in the optocoupler.
In duplicate supply control cabinet described in the utility model, the main power supply circuit-breaker status detection circuit also includes The emitter stage of phototriode passes through the 6th resistance eutral grounding in 6th resistance, the optocoupler.
In duplicate supply control cabinet described in the utility model, the main power supply circuit-breaker status detection circuit also includes 7th resistance, one end of the 7th resistance is connected with one end of the storage capacitor, the other end of the 7th resistance and institute State one end connection of second resistance.
In duplicate supply control cabinet described in the utility model, the main power supply circuit-breaker status detection circuit also includes 8th resistance, one end of the 8th resistance is connected with the negative pole of the storage capacitor, the other end of the 8th resistance and institute State the other end connection of first resistor.
Implement duplicate supply control cabinet of the present utility model, have the advantages that:Due to provided with microprocessor, main power supply Source, main power supply breaker, main power supply state detection circuit, main power supply circuit-breaker status detection circuit, main power supply enter Line cabinet, stand-by power supply, auxiliaries-supply circuit-breaker, stand-by power supply state detection circuit, auxiliaries-supply circuit-breaker state detection circuit, Dual power supply switching power distribution cabinet and failure alarm circuit, main power supply circuit-breaker status detection circuit include storage capacitor, optocoupler, two Pole pipe, first resistor, second resistance, 3rd resistor and the 4th resistance, 3rd resistor and the 4th resistance are used to carry out excessively stream guarantor Shield, therefore the safety and reliability of circuit is higher.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation in the utility model duplicate supply control cabinet one embodiment;
Fig. 2 is the circuit theory diagrams of main power supply circuit-breaker status detection circuit in the embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
In the utility model duplicate supply control cabinet embodiment, the structural representation of the duplicate supply control cabinet is as shown in Figure 1. In Fig. 1, the duplicate supply control cabinet includes microprocessor 1, main power supply 2, main power supply breaker 3, main power supply state-detection Circuit 4, main power supply circuit-breaker status detection circuit 5, main power supply incoming line cabinet 6, stand-by power supply 7, auxiliaries-supply circuit-breaker 8, Stand-by power supply state detection circuit 9, auxiliaries-supply circuit-breaker state detection circuit 10, dual power supply switching power distribution cabinet 11 and failure report Alert circuit 12, wherein, main power supply state detection circuit 4 is connected with microprocessor 1 and main power supply 2 respectively, and main power supply breaks Road device state detection circuit 5 is connected with microprocessor 1 and main power supply breaker 3 respectively, main power supply 2 and main power supply open circuit Device 3 is also connected with main power supply incoming line cabinet 6, stand-by power supply state detection circuit 9 respectively with microprocessor 1 and stand-by power supply 7 Connection, auxiliaries-supply circuit-breaker state detection circuit 10 is connected with microprocessor 1 and auxiliaries-supply circuit-breaker 8 respectively, standby electricity Source 7 and auxiliaries-supply circuit-breaker 8 are also connected with dual power supply switching power distribution cabinet 11, and main power supply breaker 3 and stand-by power supply are disconnected Road device 8 is also connected with microprocessor 1, and failure alarm circuit 12 is connected with microprocessor 1.
When the duplicate supply control cabinet is devoted oneself to work, microprocessor 1 detects main confession by main power supply state detection circuit 4 The voltage of power supply 2, and by the voltage of the detection stand-by power supply 7 of stand-by power supply state detection circuit 9, pass through main power supply breaker The on off state of the detection main power supply of state detection circuit 5 breaker 3, is examined by auxiliaries-supply circuit-breaker state detection circuit 10 The on off state of auxiliaries-supply circuit-breaker 8 is surveyed, if main power supply 2, stand-by power supply 7 is not under-voltage, also not phase shortage, Everything is fine In the case of, the energy storage of priority acccess control main power supply breaker 3 after energy storage terminates, automatically controls main power supply breaker 3 and closed a floodgate, this When main power supply 2 run, stand-by power supply 7 be in stand-by state;When the high pressure of main power supply 2 has a power failure or transformer breaks down, The decompression of main power supply breaker 3 is tripped, and the control auxiliaries-supply circuit-breaker 8 of microprocessor 1 is closed a floodgate, and now stand-by power supply 7 is thrown automatically Enter operation.
When the high pressure of main power supply 2 is sent a telegram here, microprocessor 1 detects main power supply by main power supply state detection circuit 4 Source 2 is sent a telegram here, and when 30 second time keeping stable, the energy storage of control main power supply breaker 3 after energy storage terminates, is automatically controlled standby With the separating brake of power circuit breaker 8, main power supply breaker 3 closes a floodgate after the delay several seconds, and now main power supply 2 brings into operation, standby electricity In stand-by state, go round and begin again again, thus realize low-voltage dual power automatic switching and locking in source 7.Either main power supply 2 Operation, or stand-by power supply 7 are run, and when accident circuit breaker trip occurs for low-voltage power supply system, the automatic decision of microprocessor 1 is Fault outage, locking dual power supply switching power distribution cabinet 11, alarm signal is sent by failure alarm circuit 12.
Fig. 2 is the circuit theory diagrams that main power supply circuit-breaker status detects circuit in the present embodiment, in Fig. 2, main power supply Circuit-breaker status detection circuit 5 includes storage capacitor C1, optocoupler U1, diode D1, first resistor R1, second resistance R2, the 3rd Resistance R3 and the 4th resistance R4, storage capacitor C1 positive pole are connected with second resistance R2 one end, the second resistance R2 other end Be connected respectively with first resistor R1 one end and diode D1 negative electrode, the first resistor R1 other end respectively with storage capacitor C1 Negative pole and optocoupler U1 in light emitting diode negative electrode connection, diode D1 anode, which passes through in 3rd resistor R3 and optocoupler U1, to be sent out The colelctor electrode of phototriode is connected by the 4th resistance R4 with microprocessor 1 in the anode connection of optical diode, optocoupler U1, light The grounded emitter GND of phototriode in coupling U1.
Above-mentioned 3rd resistor R3 and the 4th resistance R4 are current-limiting resistance, and 3rd resistor R3 is used for diode D1 and optocoupler Branch road between U1 carries out overcurrent protection, and the 4th resistance R4 is used to carry out excessively stream to the branch road between optocoupler U1 and microprocessor 1 Protection, therefore the safety and reliability of circuit is higher.
In the present embodiment, main power supply circuit-breaker status detection circuit 5 also includes the 5th resistance R5, the one of the 5th resistance R5 End is connected with the first resistor R1 other end, and the 5th resistance R5 other end is connected with the negative electrode of light emitting diode in optocoupler U1. 5th resistance R5 is current-limiting resistance, for carrying out overcurrent protection to the branch road before first resistor R1 and optocoupler U1, with further Strengthen the safety and reliability of circuit.
In the present embodiment, main power supply circuit-breaker status detection circuit 5 is also included photosensitive three in the 6th resistance R6, optocoupler U1 The emitter stage of pole pipe is grounded GND by the 6th resistance R6.6th resistance R6 be current-limiting resistance, for optocoupler U1 with ground GND it Between branch road carry out overcurrent protection, further to strengthen the safety and reliability of circuit.
In the present embodiment, main power supply circuit-breaker status detection circuit 5 also includes the 7th resistance R7, the one of the 7th resistance R7 End is connected with storage capacitor C1 one end, and the 7th resistance R7 other end is connected with second resistance R2 one end.7th resistance R7 For current-limiting resistance, for carrying out overcurrent protection to the branch road between storage capacitor C1 and second resistance R2.
In the present embodiment, main power supply circuit-breaker status detection circuit 5 also includes the 8th resistance R8, the one of the 8th resistance R8 End is connected with storage capacitor C1 negative pole, and the 8th resistance R8 other end is connected with the first resistor R1 other end.8th resistance R8 is current-limiting resistance, for carrying out overcurrent protection to the branch road between storage capacitor C1 and first resistor R1.
In a word,, can be right due to being provided with current-limiting resistance in main power supply circuit-breaker status detection circuit 5 in the present embodiment Circuit carries out overcurrent protection, therefore the safety and reliability of circuit is higher.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model Protection domain within.

Claims (5)

1. a kind of duplicate supply control cabinet, it is characterised in that including microprocessor, main power supply, main power supply breaker, main power supply Source state detection circuit, main power supply circuit-breaker status detection circuit, main power supply incoming line cabinet, stand-by power supply, stand-by power supply break Road device, stand-by power supply state detection circuit, auxiliaries-supply circuit-breaker state detection circuit, dual power supply switching power distribution cabinet and failure report Alert circuit, the main power supply state detection circuit is connected with the microprocessor and main power supply respectively, the main power supply Circuit-breaker status detection circuit is connected with the microprocessor and main power supply breaker respectively, the main power supply and main power supply Source breaker is also connected with the main power supply incoming line cabinet, the stand-by power supply state detection circuit respectively with the microprocessor Device and stand-by power supply connection, the auxiliaries-supply circuit-breaker state detection circuit are disconnected with the microprocessor and stand-by power supply respectively Road device connection, the stand-by power supply and auxiliaries-supply circuit-breaker are also connected with the dual power supply switching power distribution cabinet, the main confession Power circuit breaker and auxiliaries-supply circuit-breaker are also connected with the microprocessor, the failure alarm circuit and the microprocessor Device is connected;
Main power supply circuit-breaker status detection circuit include storage capacitor, optocoupler, diode, first resistor, second resistance, 3rd resistor and the 4th resistance, the positive pole of the storage capacitor are connected with one end of the second resistance, the second resistance The other end is connected with one end of the first resistor and the negative electrode of diode respectively, the other end of the first resistor respectively with institute The negative electrode connection of light emitting diode in the negative pole and optocoupler of storage capacitor is stated, the anode of the diode passes through the 3rd resistor It is connected with the anode of light emitting diode in the optocoupler, the colelctor electrode of phototriode passes through the 4th resistance in the optocoupler It is connected with the microprocessor, the grounded emitter of phototriode in the optocoupler.
2. duplicate supply control cabinet according to claim 1, it is characterised in that the main power supply circuit-breaker status detection electricity Road also includes the 5th resistance, and one end of the 5th resistance is connected with the other end of the first resistor, the 5th resistance The other end is connected with the negative electrode of light emitting diode in the optocoupler.
3. duplicate supply control cabinet according to claim 2, it is characterised in that the main power supply circuit-breaker status detection electricity The emitter stage that road also includes phototriode in the 6th resistance, the optocoupler passes through the 6th resistance eutral grounding.
4. the duplicate supply control cabinet according to claims 1 to 3 any one, it is characterised in that the main power supply open circuit Device state detection circuit also includes the 7th resistance, and one end of the 7th resistance is connected with one end of the storage capacitor, described The other end of 7th resistance is connected with one end of the second resistance.
5. the duplicate supply control cabinet according to claims 1 to 3 any one, it is characterised in that the main power supply open circuit Device state detection circuit also includes the 8th resistance, and one end of the 8th resistance is connected with the negative pole of the storage capacitor, described The other end of 8th resistance is connected with the other end of the first resistor.
CN201720282899.XU 2017-03-22 2017-03-22 Duplicate supply control cabinet Active CN206611039U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720282899.XU CN206611039U (en) 2017-03-22 2017-03-22 Duplicate supply control cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720282899.XU CN206611039U (en) 2017-03-22 2017-03-22 Duplicate supply control cabinet

Publications (1)

Publication Number Publication Date
CN206611039U true CN206611039U (en) 2017-11-03

Family

ID=60166828

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720282899.XU Active CN206611039U (en) 2017-03-22 2017-03-22 Duplicate supply control cabinet

Country Status (1)

Country Link
CN (1) CN206611039U (en)

Similar Documents

Publication Publication Date Title
CN107345979B (en) Insulator leakage current on-line monitoring system
CN104638768A (en) Intelligent power distribution security control terminal based on residential electricity consumption
CN103364692A (en) Single-phase earth fault line selection method of power distribution network earthing system
CN202351365U (en) Small-current grounding alarm equipment and alarm system
CN205861835U (en) A kind of line status testing circuit
CN206611039U (en) Duplicate supply control cabinet
CN203942269U (en) A kind of New Arc failure to trip device
CN205810302U (en) A kind of Based Intelligent Control fire-fighting emergency power supply
CN201130844Y (en) Automatic reclosing control apparatus for low-voltage breaker
CN202424140U (en) Micro grid bus differential protective device
CN204271609U (en) 10kV intelligent subscriber boundary switch controller
CN204597453U (en) Electric prospection switch
CN105958337A (en) Multi-functional distribution box
CN208127981U (en) A kind of DC power supply
CN203826704U (en) Tripolar-and-dipolar mutually switchable earth leakage protection plug
CN205844398U (en) High-voltage fence false alarm prevention device
CN203645293U (en) Automatic reconnecting device of intelligent breaker
CN207200251U (en) A kind of power distribution network self-powered protective relaying device
CN105977114B (en) Fuse and fusing detection device
CN202957664U (en) Automatic reclosing device for residual current breaker
CN103605048A (en) Street lamp circuit operation state detector based on fault indicator
CN206542181U (en) It is intelligent without pressure release coil controller
CN101359030A (en) Earthing discrimination, monitor and alarm unit for electrical power system in substation
CN205158000U (en) Control system recloses
CN204118746U (en) A kind of low pressure and low power compensation arrangement

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant