CN202353475U - Large-screen system power supply adapter - Google Patents

Large-screen system power supply adapter Download PDF

Info

Publication number
CN202353475U
CN202353475U CN2011202516613U CN201120251661U CN202353475U CN 202353475 U CN202353475 U CN 202353475U CN 2011202516613 U CN2011202516613 U CN 2011202516613U CN 201120251661 U CN201120251661 U CN 201120251661U CN 202353475 U CN202353475 U CN 202353475U
Authority
CN
China
Prior art keywords
power supply
output
unit
input
overvoltage
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
CN2011202516613U
Other languages
Chinese (zh)
Inventor
龙乙平
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN2011202516613U priority Critical patent/CN202353475U/en
Application granted granted Critical
Publication of CN202353475U publication Critical patent/CN202353475U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

The utility model is suitable for the field of power supply adapter, and provides a large-screen system power supply adapter. Corresponding multichannel alternating-current electric supply output can be controlled in a centralized manner by an output control unit; simultaneously, an over-current/overvoltage leakage surge protection unit used can quickly cut off the power supply output when the voltage range exceeds 240V or the load current exceeds 15A and the load has leakage current of 15mA, and this state delays by 30 seconds; the device restores power supply without manual intervention after eliminating the causes to achieve centralized control for the power supply of a large-screen jointed display system, so that the purpose of ensuring the reliable operation of large-screen jointed display system by eliminating electrical damages generated under such situations as overvoltage, over-current, surge, and the like in a quite complex electric supply environment, is achieved.

Description

A kind of large screen system power supply concentrator
Technical field
The utility model belongs to power supply concentrator field, relates in particular to a kind of large screen system power supply concentrator.
Background technology
Arrival along with the information age; The fast development of Computer Multimedia Technology; Big foundation to commander Surveillance center, network management center; Little carrying out to temporary meeting, technology lecture makes the large-screen splicing display system also more and more in the application of all trades and professions, and the power supply of control large-screen splicing display system has been difficult to guarantee the work of splicing system secure persistent under complex environments such as overvoltage, overcurrent, misphase, electric leakage yet the traditional air switch of simple use comes.
The utility model content
The purpose of the utility model is to provide a kind of large screen system power supply concentrator; Be intended to solve large-screen splicing display system power supply centralized control and under the environment of civil power more complicated owing to produce electrical damage under the situations such as overvoltage, overcurrent, surge, can not guarantee the problem of large-screen splicing display system reliably working.
The utility model is achieved in that a kind of large screen system power supply concentrator, and this power supply concentrator comprises:
The electric main that is used to the to receive input input unit of line output of going forward side by side;
Be connected with said input unit, the electric main that is used to the to receive said input unit output line output of going forward side by side is controlled the Input Control Element of electric main at the circulation status of said power supply concentrator simultaneously;
Be connected with said Input Control Element; The electric main that is used to the to receive said Input Control Element output line output of going forward side by side is eliminated the overcurrent-overvoltage electric leakage surge protection unit of the electrical damage that under the situations such as overvoltage, overcurrent, surge the large-screen splicing display system is produced simultaneously;
Be connected the output control unit that is used to receive the electric main of said overcurrent-overvoltage electric leakage surge protection unit output and controls the output of multichannel electric main with said overcurrent-overvoltage electric leakage surge protection unit;
Be connected the electric main that is used to the to receive said output control unit output output unit of line output of going forward side by side with said output control unit.
Further, said power supply concentrator also comprises through master switch and being connected with said input unit, is used to receive the electric main of said input unit output and the in-line power unit that carries out transformation output.
Further, said power supply concentrator also comprises with the output of said master switch and being connected, and is used to show the voltage indicating member of input AC line voltage value.
Further, said power supply concentrator also comprises with said in-line power unit and being connected, is used to reduce the cooling unit of said power supply concentrator working temperature.
Further, said power supply concentrator also comprises with said output control unit and being connected, and is used to control the output control operation unit of the relay operating state of said output control unit.
Further, said power supply concentrator also comprises with said output control unit and being connected, and is used to show the output control display unit of the relay operating state of said output control unit.
Further, said in-line power unit also is connected with said Input Control Element, said overcurrent-overvoltage electric leakage surge protection unit, said cooling unit.
The large screen system power supply concentrator that the utility model provides; Can export by the corresponding multichannel electric main of centralized control through adopting output control unit; The overcurrent-overvoltage electric leakage surge protection unit that is adopted simultaneously surpasses more than the 240V or load current surpasses 15A and load and the output of can cutting off the electricity supply rapidly when leakage current reaches 15mA etc. occurs running into voltage range; This state delay 30S; To restore electricity again again at this device of eliminating reason, need not manual intervention, realize the centralized control of large-screen splicing display system power supply; Reached and under the environment of civil power more complicated, eliminated the electrical damage that situation produced such as overvoltage, overcurrent, surge, guaranteed the purpose of large-screen splicing display system reliability service.
Description of drawings
Fig. 1 is the structured flowchart of the large screen system power supply concentrator that provides of the utility model;
Fig. 2 is the structured flowchart of the overcurrent-overvoltage electric leakage surge protection unit that provides of the utility model;
Fig. 3 is the circuit diagram of the large screen system power supply concentrator that provides of the utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the structured flowchart of the large screen system power supply concentrator that the utility model embodiment provides.For the ease of explanation, only show the part relevant with the utility model embodiment.
This power supply concentrator comprises:
The electric main that is used to the to receive input input unit 11 of line output of going forward side by side;
Be connected with input unit 11, the electric main that is used to the to receive input unit 11 outputs line output of going forward side by side is controlled the Input Control Element 13 of electric main at the circulation status of power supply concentrator simultaneously;
Be connected with Input Control Element 13; The electric main that is used to the to receive Input Control Element 13 outputs line output of going forward side by side is eliminated the overcurrent-overvoltage electric leakage surge protection unit 16 of the electrical damage that under the situations such as overvoltage, overcurrent, surge the large-screen splicing display system is produced simultaneously;
Be connected the output control unit 17 that is used to receive the electric main of overcurrent-overvoltage electric leakage surge protection unit 16 outputs and controls the output of multichannel electric main with overcurrent-overvoltage electric leakage surge protection unit 16;
Be connected the electric main that is used to the to receive output control unit 17 outputs output unit 20 of line output of going forward side by side with output control unit 17.
As a preferred embodiment of the utility model, the power supply concentrator also comprises through master switch 12 and being connected with input unit 11, is used to receive the electric main of input unit 11 outputs and the in-line power unit 15 that carries out transformation output.
As a preferred embodiment of the utility model, the power supply concentrator also comprises with the output of master switch 12 and being connected, is used to show the voltage indicating member 14 of input AC line voltage value.
As a preferred embodiment of the utility model, the power supply concentrator also comprises with in-line power unit 15 and being connected, and is used to reduce the cooling unit 21 of power supply concentrator working temperature.
As a preferred embodiment of the utility model, the power supply concentrator also comprises with output control unit 17 and being connected, and is used to control the output control operation unit 18 of the relay operating state of output control unit 17.
As a preferred embodiment of the utility model, the power supply concentrator also comprises with output control unit 17 and being connected, and is used to show the output control display unit 18 of the relay operating state of output control unit 17.
As a preferred embodiment of the utility model, in-line power unit 15 also is connected with Input Control Element 13, overcurrent-overvoltage electric leakage surge protection unit 16, cooling unit 21.
Further describe below in conjunction with accompanying drawing and specific embodiment application principle the utility model.
Fig. 2 shows the structured flowchart of the overcurrent-overvoltage electric leakage surge protection unit that the utility model provides.
Overcurrent-overvoltage electric leakage surge protection unit comprises over-current protecting unit, Overvoltage protecting unit, residual current protective unit, surge protection unit;
Over-current protecting unit comprises overcurrent sampling trigger element 161, alarm unit 165;
Residual current protective unit comprises electric leakage sampling trigger element 162, alarm unit 165;
Overvoltage protecting unit comprises overvoltage sampling trigger element 163, alarm unit 165;
Overcurrent sampling trigger element 161 comprises overcurrent sample circuit, overcurrent sensitivity adjusting circuit, overcurrent protection circuits for triggering; The input of overcurrent sample circuit is connected with the circuit of carrying the 220V electric main; The input of overcurrent sensitivity adjusting circuit is connected with the output of overcurrent sample circuit, and the input of overcurrent protection circuits for triggering is connected with the output of overcurrent sensitivity adjusting circuit.
Electric leakage sampling trigger element 162 comprises zero-sequence current change-over circuit, electric leakage sensitivity adjusting circuit, earth leakage protective circuits for triggering; The input of zero-sequence current change-over circuit is connected with the circuit of carrying the 220V electric main; The input of electric leakage sensitivity adjusting circuit is connected with the output of zero-sequence current change-over circuit, and the input of earth leakage protective circuits for triggering is connected with the output of electric leakage sensitivity adjusting circuit.
Overvoltage sampling trigger element 163 comprises overvoltage sample circuit, overvoltage sensitivity adjusting circuit, overvoltage protection circuits for triggering; The input of overvoltage sample circuit is connected with the circuit of carrying the 220V electric main; The input of overvoltage sensitivity adjusting circuit is connected with the output of overvoltage sample circuit, and the input of overvoltage protection circuits for triggering is connected with the output of overvoltage sensitivity adjusting circuit.
Alarm unit 165 comprises delay circuit, delay adjustment circuit, buzzer, alarm lamp;
The input of delay circuit is connected with the input of the input of overcurrent protection circuits for triggering, earth leakage protective circuits for triggering, overvoltage protection circuits for triggering; The input of delay adjustment circuit is connected with the output of delay circuit; The output of delay circuit is connected with the input of buzzer, alarm lamp, the output of delay circuit also be installed on the circuit of carrying the 220V electric main on be connected from relay 132.
Surge protection unit 164 is installed on the circuit of carrying the 220V electric main.
Fig. 3 shows the circuit diagram of the large screen system power supply concentrator that the utility model provides.The 220V electric main is input to cabinet inside from input unit 11 through aviation plug under the normal condition; Be added to Input Control Element 13 then; When can the flow through digital voltmeter of voltage indicating member 14 and the toroidal transformer of in-line power unit 15 of fraction 220V electric main closed the time master switch 12; This moment, digital voltmeter showed the magnitude of voltage of current civil power; And the toroidal transformer step-down obtains+and the 12V working power is given main relay 131, because main relay 131 is under the normally open, so down can closure in+12V voltage effect; This moment, the 220V electric main was flowed through from relay 132; Owing to is under the normally off from relay 132, can flow through overcurrent-overvoltage residual current protective unit 16 and then to the multichannel output control unit of being made up of a plurality of relays 17 of 220V electric main can arrive the effect of control relay through the control of multichannel being exported the ship type switch of control operation unit 18.
The large screen system power supply concentrator that the utility model provides; Can export by the corresponding multichannel electric main of centralized control through adopting output control unit 17; The overcurrent-overvoltage electric leakage surge protection unit 16 that is adopted simultaneously surpasses more than the 240V or load current surpasses 15A and load and the output of can cutting off the electricity supply rapidly when leakage current reaches 15mA etc. occurs running into voltage range; This state delay 30S; To restore electricity again again at this device of eliminating reason, need not manual intervention, realize the centralized control of large-screen splicing display system power supply; Reached and under the environment of civil power more complicated, eliminated the electrical damage that situation produced such as overvoltage, overcurrent, surge, guaranteed the purpose of large-screen splicing display system reliability service.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.

Claims (7)

1. a large screen system power supply concentrator is characterized in that, this power supply concentrator comprises:
The electric main that is used to the to receive input input unit of line output of going forward side by side;
Be connected with said input unit, the electric main that is used to the to receive said input unit output line output of going forward side by side is controlled the Input Control Element of electric main at the circulation status of said power supply concentrator simultaneously;
Be connected with said Input Control Element; The electric main that is used to the to receive said Input Control Element output line output of going forward side by side is eliminated the overcurrent-overvoltage electric leakage surge protection unit of the electrical damage that under the situations such as overvoltage, overcurrent, surge the large-screen splicing display system is produced simultaneously;
Be connected the output control unit that is used to receive the electric main of said overcurrent-overvoltage electric leakage surge protection unit output and controls the output of multichannel electric main with said overcurrent-overvoltage electric leakage surge protection unit;
Be connected the electric main that is used to the to receive said output control unit output output unit of line output of going forward side by side with said output control unit.
2. power supply concentrator as claimed in claim 1 is characterized in that, said power supply concentrator also comprises through master switch and being connected with said input unit, is used to receive the electric main of said input unit output and the in-line power unit that carries out transformation output.
3. power supply concentrator as claimed in claim 1 is characterized in that, said power supply concentrator also comprises with the output of said master switch and being connected, and is used to show the voltage indicating member of input AC line voltage value.
4. power supply concentrator as claimed in claim 1 is characterized in that, said power supply concentrator also comprises with said in-line power unit and being connected, is used to reduce the cooling unit of said power supply concentrator working temperature.
5. power supply concentrator as claimed in claim 1 is characterized in that, said power supply concentrator also comprises with said output control unit and being connected, and is used to control the output control operation unit of the relay operating state of said output control unit.
6. power supply concentrator as claimed in claim 1 is characterized in that, said power supply concentrator also comprises with said output control unit and being connected, and is used to show the output control display unit of the relay operating state of said output control unit.
7. like claim 2 or 4 described power supply concentrators, it is characterized in that said in-line power unit also connects said Input Control Element, overcurrent-overvoltage electric leakage surge protection unit and cooling unit respectively.
CN2011202516613U 2011-07-15 2011-07-15 Large-screen system power supply adapter Expired - Fee Related CN202353475U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202516613U CN202353475U (en) 2011-07-15 2011-07-15 Large-screen system power supply adapter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202516613U CN202353475U (en) 2011-07-15 2011-07-15 Large-screen system power supply adapter

Publications (1)

Publication Number Publication Date
CN202353475U true CN202353475U (en) 2012-07-25

Family

ID=46542437

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202516613U Expired - Fee Related CN202353475U (en) 2011-07-15 2011-07-15 Large-screen system power supply adapter

Country Status (1)

Country Link
CN (1) CN202353475U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106597204A (en) * 2017-01-20 2017-04-26 合肥市传秀声光科技有限公司 Big screen with power supply monitoring function
CN106647533A (en) * 2017-01-20 2017-05-10 合肥市传秀声光科技有限公司 Intelligent big screen system
CN111402488A (en) * 2014-10-03 2020-07-10 埃科亚特姆公司 System and method for recycling, processing or reselling mobile equipment and self-service terminal
US11922467B2 (en) 2020-08-17 2024-03-05 ecoATM, Inc. Evaluating an electronic device using optical character recognition
US11935138B2 (en) 2008-10-02 2024-03-19 ecoATM, Inc. Kiosk for recycling electronic devices
US11989710B2 (en) 2018-12-19 2024-05-21 Ecoatm, Llc Systems and methods for vending and/or purchasing mobile phones and other electronic devices
US12008520B2 (en) 2014-12-12 2024-06-11 Ecoatm, Llc Systems and methods for recycling consumer electronic devices
US12033454B2 (en) 2020-08-17 2024-07-09 Ecoatm, Llc Kiosk for evaluating and purchasing used electronic devices

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11935138B2 (en) 2008-10-02 2024-03-19 ecoATM, Inc. Kiosk for recycling electronic devices
CN111402488A (en) * 2014-10-03 2020-07-10 埃科亚特姆公司 System and method for recycling, processing or reselling mobile equipment and self-service terminal
US11989701B2 (en) 2014-10-03 2024-05-21 Ecoatm, Llc System for electrically testing mobile devices at a consumer-operated kiosk, and associated devices and methods
US12008520B2 (en) 2014-12-12 2024-06-11 Ecoatm, Llc Systems and methods for recycling consumer electronic devices
CN106597204A (en) * 2017-01-20 2017-04-26 合肥市传秀声光科技有限公司 Big screen with power supply monitoring function
CN106647533A (en) * 2017-01-20 2017-05-10 合肥市传秀声光科技有限公司 Intelligent big screen system
CN106647533B (en) * 2017-01-20 2019-02-22 合肥市传秀科技有限公司 A kind of intelligence large screen system
US11989710B2 (en) 2018-12-19 2024-05-21 Ecoatm, Llc Systems and methods for vending and/or purchasing mobile phones and other electronic devices
US11922467B2 (en) 2020-08-17 2024-03-05 ecoATM, Inc. Evaluating an electronic device using optical character recognition
US12033454B2 (en) 2020-08-17 2024-07-09 Ecoatm, Llc Kiosk for evaluating and purchasing used electronic devices

Similar Documents

Publication Publication Date Title
CN202353475U (en) Large-screen system power supply adapter
CN101009179A (en) Simple and convenient analog breaker circuit
CN201966578U (en) Arc extinguishing type electrical fireproof short circuit protection device
CN103904610B (en) Portable line protective devices
CN202976623U (en) Simulation demonstration device used for training remote electrical load control
WO2017185756A1 (en) Electric automobile and power grid interactive simulation load system and electrical protection method therefor
CN204652311U (en) A kind of photovoltaic combiner box and photovoltaic system
CN208241399U (en) Intelligent high-low-voltage complete set of equipments with the alternative control system of self-powered DC control
CN201616596U (en) Single-phase intelligent type alternating-current distribution box
CN203761134U (en) ATS-based dual power source station electricity consumption wire inlet screen for wind electric power generating field
CN202206125U (en) Portable protection device for electrification process after distribution system protection device failure
CN204330898U (en) A kind of bypass mobile box substation emergency repair vehicle low pressure kernel phase system
CN103490372A (en) Singlechip-based leakage protector
CN203911498U (en) Distributed photovoltaic grid-connected protective equipment
CN204303227U (en) Body sense real training formula Intelligent electric leakage protection system
CN204314645U (en) A kind of low-voltage distribution system by screen break-make automaton
CN204376385U (en) For carrying out the power transmission protective device of power transmission protection to step-up transformer
CN203673020U (en) Intelligent outage alarm apparatus
CN103972925B (en) The grid-connected proterctive equipment of distributed photovoltaic
CN207457398U (en) A kind of small current neutral grounding system simulator
CN206908376U (en) A kind of supply unit for the tripping operation that prevents from bypassing the immediate leadership
CN203774746U (en) Mobile line protection device
CN203377582U (en) Overvoltage breaking zero protection device
CN202142903U (en) Transition power box with monitoring and warning functions
CN202797963U (en) Reverse-current resistant and zero-power-consumption adjuster

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: SHENZHEN WEIGUAN VIEWS TECHNOLOGY CO., LTD.

Assignor: Long Yiping

Contract record no.: 2012440020125

Denomination of utility model: Large-screen system power supply adapter

Granted publication date: 20120725

License type: Exclusive License

Record date: 20120523

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120725

Termination date: 20140715

EXPY Termination of patent right or utility model