CN201893611U - Direct current power control module - Google Patents

Direct current power control module Download PDF

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Publication number
CN201893611U
CN201893611U CN2010206241102U CN201020624110U CN201893611U CN 201893611 U CN201893611 U CN 201893611U CN 2010206241102 U CN2010206241102 U CN 2010206241102U CN 201020624110 U CN201020624110 U CN 201020624110U CN 201893611 U CN201893611 U CN 201893611U
Authority
CN
China
Prior art keywords
control circuit
power supply
power
circuit
interface
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.)
Expired - Fee Related
Application number
CN2010206241102U
Other languages
Chinese (zh)
Inventor
姜涛
金伟
牛思捷
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.)
WUXI LEIHUA TECHNOLOGY Co Ltd
Original Assignee
WUXI LEIHUA TECHNOLOGY 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 WUXI LEIHUA TECHNOLOGY Co Ltd filed Critical WUXI LEIHUA TECHNOLOGY Co Ltd
Priority to CN2010206241102U priority Critical patent/CN201893611U/en
Application granted granted Critical
Publication of CN201893611U publication Critical patent/CN201893611U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector

Abstract

The utility model relates to a direct current power control module which comprises a power input interface, a power output interface, a central processing unit (CPU) control circuit, a communication interface circuit and an alternating current contactor; the alternating current contactor is arranged between the power input interface and the power output interface; the CPU control circuit outputs a control signal to control the work of the alternating current contactor, so that the on and off of a direct current power supply are controlled; and the universal input and output end of the CPU control circuit is connected with the communication interface circuit. An optical relay is connected between the CPU control circuit and the alternating current contactor. The module is an intelligent direct current power control module, and comprises power control, voltage/current sampling, over-current protection and structural properties. All control is controlled and displayed through an upper computer, the structure is compact and is a Compact Peripheral Component Interconnect (CPCI) architecture, so that the use and the maintenance of the module are more convenient and quicker. The module not only can be used solely but also can be used simultaneously, is used in a large test system, thereby having large market space and wide application prospect.

Description

The DC power supply control module
Technical field
The utility model belongs to power technique fields, specifically is a kind of have power supply output control, voltage/current monitoring, adjustable overcurrent protection and remote controlled DC power supplier, and structure adopts CPCI (plug and pull) framework simultaneously.
Background technology
The DC power supply control module is the equipment debugging of DC power supply and detects necessary parts that its effect is the output of control DC power supply, monitors the voltage and current value of equipment under test, has overcurrent protection function simultaneously.Reliability and fail safe with the electricity consumption of confirming equipment under test.
Existing DC power supply control assembly is to cooperate relay control output with electric switch or electric switch all, with analog voltage/current table or digital voltage/ammeter monitoring voltage and electric current, carries out overcurrent protection with air switch or fuse.Therefore, electric switch is limited useful life, and the simulation meter accuracy is not high, and fuse needs often to change, and it is big that digital watch and air switch take volume.
Summary of the invention
This DC power supply control module purpose is: the DC power supply control module that proposes a kind of intelligence.Can control power supply output by upper computer software; by the monitoring of voltage/current sampling realization to voltage/current; by setting overvoltage/overcurrent threshold value reality overcurrent protection, structure adopts the CPCI framework, and functional reliability and the good DC power supply control module of fail safe.Concrete technical scheme is as follows:
A kind of new DC power supply control module comprises power input interface, power output interface, cpu control circuit, communication interface circuit and A.C. contactor;
Between described power input interface and the power output interface A.C. contactor is set;
The work of described cpu control circuit output control signal control A.C. contactor, and then the break-make of control DC power supply;
The general input/output terminal of described cpu control circuit is connected with described communication interface circuit.
Be connected optical relay between described cpu control circuit and the A.C. contactor.
Be connected DC current sensor between described A.C. contactor and the described power output interface; The signal output part of DC current sensor connects the input of cpu control circuit by the A/D change-over circuit.
Described power input interface linear optical coupling in parallel, the output of linear optical coupling connects the input of cpu control circuit by the A/D change-over circuit.
The input of described cpu control circuit is connected with toggle switch.
The general input/output terminal of described cpu control circuit is connected with debugging interface.
Compared with prior art, this DC power supply control module is a kind of intelligent DC power supply control module, comprises power supply control, voltage/current sampling, overcurrent protection and architectural characteristic.All controls are all by PC control and demonstration, and compact conformation, and are the CPCI frameworks, make the module operation and maintenance more convenient.This module gets final product single use, also can a plurality ofly use simultaneously, and is used for big test macro, and therefore the very big market space and wide application prospect are arranged.
Description of drawings
Fig. 1 is among the embodiment, the theory diagram of this module.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment:
A kind of new DC power supply control module comprises power supply input/output interface, cpu control circuit, communication interface circuit, optical relay control circuit, DC current sensor, linear optical coupling, A/D change-over circuit, A.C. contactor, toggle switch composition.
Described power supply input/output interface, cpu control circuit, communication interface circuit, optical relay control circuit, A.C. contactor are realized the input and output of control DC power supply; DC current sensor, linear optical coupling, A/D (mould/number) change-over circuit, cpu control circuit are realized voltage and current sampling and data transaction; Cpu control circuit, communication interface circuit are realized and upper machine communication.
Toggle switch realizes setting the mailing address of DC power supply control module.
Described power supply input/output interface is provided with the input and output interface of DC power supply, and with the serial communication interface of host computer.
Described cpu control circuit is provided with communication port, optical relay drives port, A/D sample port, dial-up read port.
Described communication interface circuit connects cpu control circuit and host computer, carries out signal and transfer of data.
Described optical relay control circuit connects cpu control circuit and A.C. contactor, controls A.C. contactor work.
Power supply and A/D change-over circuit that described DC current sensor connects A.C. contactor output carry out current sample, are sent to the A/D change-over circuit.
Described linear optical coupling connects input power supply and A/D change-over circuit, carries out voltage sample, is sent to the A/D change-over circuit.
Described A/D change-over circuit connects DC current sensor and linear optical coupling, and voltage and current sample conversion value is carried out the A/D conversion.
Described A.C. contactor connects optical relay and input power supply, carries out the control of DC power supply output.
Described toggle switch connects cpu control circuit, sets the mailing address of DC power supply control module.
The general input/output terminal of described cpu control circuit is connected with debugging interface.

Claims (6)

1. a DC power supply control module is characterized in that comprising power input interface, power output interface, cpu control circuit, communication interface circuit and A.C. contactor;
Between described power input interface and the power output interface A.C. contactor is set;
The work of described cpu control circuit output control signal control A.C. contactor, and then the break-make of control DC power supply;
The general input/output terminal of described cpu control circuit is connected with described communication interface circuit.
2. DC power supply control module according to claim 1 is characterized in that being connected optical relay between described cpu control circuit and the A.C. contactor.
3. DC power supply control module according to claim 1 is characterized in that being connected DC current sensor between described A.C. contactor and the described power output interface; The signal output part of DC current sensor connects the input of cpu control circuit by the A/D change-over circuit.
4. DC power supply control module according to claim 1 is characterized in that described power input interface linear optical coupling in parallel, and the output of linear optical coupling connects the input of cpu control circuit by the A/D change-over circuit.
5. DC power supply control module according to claim 1 is characterized in that the input of described cpu control circuit is connected with toggle switch.
6. DC power supply control module according to claim 1 is characterized in that the general input/output terminal of described cpu control circuit is connected with debugging interface.
CN2010206241102U 2010-11-25 2010-11-25 Direct current power control module Expired - Fee Related CN201893611U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206241102U CN201893611U (en) 2010-11-25 2010-11-25 Direct current power control module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206241102U CN201893611U (en) 2010-11-25 2010-11-25 Direct current power control module

Publications (1)

Publication Number Publication Date
CN201893611U true CN201893611U (en) 2011-07-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206241102U Expired - Fee Related CN201893611U (en) 2010-11-25 2010-11-25 Direct current power control module

Country Status (1)

Country Link
CN (1) CN201893611U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104682214A (en) * 2015-01-08 2015-06-03 中国电子科技集团公司第二十八研究所 Intelligent power supply control box
CN107800127B (en) * 2016-08-30 2021-07-16 中国飞行试验研究院 Power distribution device based on optical relay

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104682214A (en) * 2015-01-08 2015-06-03 中国电子科技集团公司第二十八研究所 Intelligent power supply control box
CN107800127B (en) * 2016-08-30 2021-07-16 中国飞行试验研究院 Power distribution device based on optical relay

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110706

Termination date: 20141125

EXPY Termination of patent right or utility model