CN202033451U - Circuit of aging device for gas discharge tubes - Google Patents

Circuit of aging device for gas discharge tubes Download PDF

Info

Publication number
CN202033451U
CN202033451U CN2011201077375U CN201120107737U CN202033451U CN 202033451 U CN202033451 U CN 202033451U CN 2011201077375 U CN2011201077375 U CN 2011201077375U CN 201120107737 U CN201120107737 U CN 201120107737U CN 202033451 U CN202033451 U CN 202033451U
Authority
CN
China
Prior art keywords
circuit
relay
normally opened
opened contact
voltage
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
CN2011201077375U
Other languages
Chinese (zh)
Inventor
胡勇
王兴乐
王顺安
王佳宁
王深彪
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.)
Shenzhen SOCAY Electronic Co., Ltd.
Original Assignee
SHIJIAZHUANG KAIHONG ELECTRONIC CO Ltd
SHENZHEN SOCAY ELECTRONIC 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 SHIJIAZHUANG KAIHONG ELECTRONIC CO Ltd, SHENZHEN SOCAY ELECTRONIC CO Ltd filed Critical SHIJIAZHUANG KAIHONG ELECTRONIC CO Ltd
Priority to CN2011201077375U priority Critical patent/CN202033451U/en
Application granted granted Critical
Publication of CN202033451U publication Critical patent/CN202033451U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Physical Vapour Deposition (AREA)

Abstract

A circuit of an aging device for gas discharge tubes relates to a gas discharge tube aging device for aging of gas discharge tubes, and comprises a voltage regulating circuit, a current regulating circuit, a control circuit and a high-voltage generating circuit. An input end of the voltage regulating circuit is connected with an alternating-current power source, an output end of the voltage regulating circuit is connected with an input end of the current regulating circuit, the high-voltage generating circuit is connected with the current regulating circuit, and the control circuit is connected with the voltage regulating circuit, the current regulating circuit and the high-voltage generating circuit respectively, and is used for controlling running of the voltage regulating circuit, the current regulating circuit and the high-voltage generating circuit in real time. The circuit has the advantages that aging voltage can be regulated according to voltage of different gas discharge tubes, aging current has wide regulating range and can realize linear regulation from 0.1A to 10A, and the aging device with the high-voltage aging circuit can realize aging of high-voltage gas discharge tubes of ten thousand volts.

Description

A kind of circuit of gas-discharge tube ageing device
Technical field
The utility model relates to the gas-discharge tube ageing device that gas-discharge tube is carried out the ageing processing.Especially a kind of circuit of gas-discharge tube ageing device.
Background technology
Having a wide range of applications in the infringement that superpotential that gas-discharge tube prevents to be struck by lightning in electronic equipment, signal system and power-supply system, electromagnetic pulse is brought and switching overvoltage cause them, is a kind of switching devices commonly used such as lightning-protection system.
The ageing of gas-discharge tube is a very important link during gas-discharge tube is produced, and it is directly determining electric parameter stable of gas-discharge tube.The main effect of gas-discharge tube ageing is the foreign gas of removing gas-discharge tube inside, attached to the oxide of electrode surface and the impurity of removing other, simultaneously with the characteristic activation of electronics powder, to reach the electric property of stable-gas discharging pipe.
The gas-discharge tube ageing method mainly by realizing by electric current, claims the ageing electric current in gas-discharge tube.Ageing electric current during the gas-discharge tube ageing, time are two important parameters in the gas-discharge tube ageing, while gas-discharge tube fully ageing has certain requirement to the voltage of ageing again, if brownout can cause ageing insufficient, the properties of product instability.
The Current Regulation of ageing device before this mainly relies on voltage-regulation or big resistance potentiometer to regulate.When adopting the voltage-regulation method to regulate electric current, the scope of adjustable electric current is not wide, is difficult to satisfy the needs of different product.Adopt big resistance potentiometer to regulate method, the minute adjustment that can not accomplish resistance, thereby the precision of Current Regulation is restricted, unfavorable to improving the ageing accuracy.
Summary of the invention
The utility model is intended to overcome the above-mentioned deficiency of the gas-discharge tube ageing device of prior art, and a kind of circuit of gas-discharge tube ageing device is provided.Its ageing voltage can be adjusted as required according to the voltage of gas with various discharge tube, and ageing Current Regulation wide ranges can realize electric current from the linear regulation between 0.1A-10A, and carries the high voltage aging circuit, can carry out the ageing of ten thousand volts high-pressure discharge pipe.
To achieve these goals, finish above-mentioned task, the circuit of a kind of gas-discharge tube ageing device of the utility model adopts following technical scheme:
The circuit of a kind of gas-discharge tube ageing device of the utility model comprises voltage regulator circuit, current regulating circuit and control circuit; Also comprise high-pressure generating circuit, the input end of voltage regulator circuit connects AC power, the output terminal of voltage regulator circuit is connected with the input end of current regulating circuit, high-pressure generating circuit is connected with current regulating circuit, control circuit is connected with voltage regulator circuit, current regulating circuit, high-pressure generating circuit respectively, respectively the operation of voltage regulator circuit, current regulating circuit, high-pressure generating circuit is controlled in real time;
Described current regulating circuit comprises:
Form m bar branch by reometer PA, resistance R 1 ~ Rn and switch S 1 ~ S n, wherein n and m are the positive integer greater than 1, R1 among resistance R 1 ~ Rn and the switch S 1 ~ Sn and S1 ... connect again after Rn and the corresponding one by one parallel connection of Sn, switch S1 ~ Sn is carried out selectivity be switched on or switched off, can be to the all-in resistance real-time regulated of described branch; Reometer PA is serially connected with the branch that comprises resistance R 1 ~ Rn and the switch S 1 ~ Sn accordingly size of current with real-time measurement respective branch;
The input end of described m bar branch is connected with the normally opened contact of the contactor KM2 of control circuit respectively, with a end of the secondary coil of the transformer T2 that connects described voltage regulator circuit, the output terminal of described m bar branch is connected to the corresponding gas-discharge tube for the treatment of ageing separately.
Technique scheme is further set forth:
The gas-discharge tube for the treatment of ageing also is connected with the common port c of circuit.
Described voltage regulator circuit comprises contactor KM1 normally opened contact, pressure regulator T1, transformer T2 and the voltage table PV1 of circuit breaker Q S1, control circuit, be connected (as the 220v AC power) again with AC power after the primary coil series connection of circuit breaker Q S1, contactor KM1 normally opened contact and pressure regulator T1, the secondary coil of pressure regulator T1 is connected with the primary coil of transformer T2, the secondary coil of voltage table PV1 and transformer T2 also connects output voltage with real-time measuring transformer T2, and the two ends of the secondary coil of transformer T2 are respectively a end and b end.
Described high-pressure generating circuit comprises high-tension transformer T3, switching discharge tube GDT1, resistance R 14 and capacitor C 1, resistance R 14 and capacitor C 1 back in parallel one end are connected with an end of the primary coil of high-tension transformer T3 by switching discharge tube GDT1, the other end of the primary coil of high-tension transformer T3 is connected to zero line N, the other end after resistance R 14 and capacitor C 1 parallel connection is a d end, and the two ends of the secondary coil of high-tension transformer T3 connect the b end of secondary coil of transformer T2 of voltage regulator circuit and the common port c of circuit respectively.Produce pulse current by the primary coil that constantly discharges and recharges at high-tension transformer T3 to electric capacity, the secondary coil of high-tension transformer T3 produces high pressure.
Described control circuit comprises relay K 1, relay K 2, relay K 3, time relay KT1, time relay KT2, contactor KM1, contactor KM2, starting switch SB1, shutdown switch SB2 and high voltage startup switch S 14; Relay K 1, relay K 2, relay K 3, time relay KT1, time relay KT2, contactor KM1 and contactor KM2 all join with zero line N; The normally opened contact K1-1 of relay K 1 and starting switch SB1 and shutdown switch SB2 combination are equipped, and the normally opened contact K1-1 of starting switch SB1 and relay K 1 connects live wire L respectively; The normally opened contact K1-2 of relay K 1, time relay KT1, time relay KT2, high voltage startup switch S 14 and relay K 3 combinations are equipped, the normally opened contact K1-2 of relay K 1 is connected with time relay KT1 and high voltage startup switch S 14 respectively, high voltage startup switch S 14 other ends are connected with time relay KT2, the normally closed contact KT2-1 of time relay KT2 is connected with high voltage startup switch S 14 other ends and relay K 3 respectively, and the normally opened contact K1-2 of relay K 1 connects live wire; The normally opened contact K1-3/4 of relay K 1 and contactor KM1 combination are equipped, and the normally opened contact K1-3/4 of relay K 1 connects live wire; The normally opened contact KT1-1 of time relay KT1 and relay K 2 combinations are equipped, and the normally opened contact KT1-1 of time relay KT1 connects live wire; The normally opened contact K2-1 of relay K 2 and contactor KM2 combination are equipped, and the normally opened contact K2-1 of relay K 2 connects live wire; The normally opened contact K3-1 of relay K 3 is connected to the d end of high-pressure generating circuit, and the normally opened contact K3-1 of relay K 3 connects live wire.
Principle of work to the circuit of a kind of gas-discharge tube ageing device of the utility model is described as follows.
According to the voltage of gas-discharge tube, regulate the voltage of pressure regulator T1 to the need of institute, the electric current toggle switch S1 ~ S13 break-make required according to ageing regulated resistance to reach required electric current, the time of the adjusting time relay.Press starting switch SB1, relay K 1 gets electric, by the closed self-locking guard relay of K1-1 K1 "on" position, the K1-2 closure, time relay KT1 gets electric, the normally opened contact KT1-1 adhesive of time relay KT1, and relay K 2 gets electric adhesive, contactor KM2 gets electric adhesive, the KM2 adhesive, gas-discharge tube must be established the beginning ageing by cable, burning-in period to after stop automatically, etc. pending next set product ageing, press the SB2 discharge tube and stop ageing.If need carry out high voltage aging, open dual pressure control switch S14, KT2 and K3 control high-pressure generating circuit work in the control circuit, after K3 gets electric adhesive, high-pressure generating circuit produces pulse current by the fulgurite that charges and discharge of capacitor C 1 on the primary coil of high-tension transformer T3, pulsating volage ten thousand volts of out secondary generations, the pulsation high pressure that secondary coil produces will treat that at first the gas-discharge tube igniting of ageing punctures, gas-discharge tube carries out glow discharge, after gas-discharge tube enters glow discharge, the electric current of transformer T2 flows into and makes gas-discharge tube enter the arc discharge state immediately, and after the time relay KT1 time arrived, one time ageing was finished.
For the beneficial effects of the utility model are: its ageing voltage can be adjusted as required according to the voltage of gas with various discharge tube, ageing Current Regulation wide ranges, can realize that electric current is from the linear regulation between 0.1A-10A, and carry the high voltage aging circuit, can carry out the ageing of ten thousand volts high-pressure discharge pipe.
Description of drawings
Fig. 1 is the utility model principle block diagram;
Fig. 2 is the voltage regulator circuit synoptic diagram;
Fig. 3 is the current regulating circuit synoptic diagram;
Fig. 4 is the high-pressure generating circuit synoptic diagram;
Fig. 5 is the control circuit synoptic diagram.
Embodiment
Below, introduce embodiment of the present utility model in conjunction with the accompanying drawings.
As shown in Figure 1, the circuit of a kind of gas-discharge tube ageing device of the utility model comprises voltage regulator circuit, current regulating circuit and control circuit; Also comprise high-pressure generating circuit, the input end of voltage regulator circuit connects AC power, the output terminal of voltage regulator circuit is connected with the input end of current regulating circuit, high-pressure generating circuit is connected with current regulating circuit, control circuit is connected with voltage regulator circuit, current regulating circuit, high-pressure generating circuit respectively, respectively the operation of voltage regulator circuit, current regulating circuit, high-pressure generating circuit is controlled in real time.
As shown in Figure 3, described current regulating circuit comprises:
Form m bar branch by reometer PA, resistance R 1 ~ Rn and switch S 1 ~ S n, wherein n and m are the positive integer greater than 1, R1 among resistance R 1 ~ Rn and the switch S 1 ~ Sn and S1 ... connect again after Rn and the corresponding one by one parallel connection of Sn, switch S1 ~ Sn is carried out selectivity be switched on or switched off, can be to the all-in resistance real-time regulated of described branch; Reometer PA is serially connected with the branch that comprises resistance R 1 ~ Rn and the switch S 1 ~ Sn accordingly size of current with real-time measurement respective branch;
The input end of described m bar branch is connected with the normally opened contact of the contactor KM2 of control circuit respectively, with a end of the secondary coil of the transformer T2 that connects described voltage regulator circuit, the output terminal of described m bar branch is connected to the corresponding gas-discharge tube for the treatment of ageing separately.
As a preferred example, resistance R 1 ~ Rn is resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13, switch S 1 ~ S n is switch S 1, S2, S 3, S 4, S 5, S6, S 7, S8, S 9, S 10, S 11, S12 and S13, and the 13 pairs of resistance R and the switch S parallel connection branch of formation of connecting again; M is 20, i.e. 20 branches, gas-discharge tube of ageing of a branch, 20 branches can be once 20 gas-discharge tubes of ageing simultaneously, the efficient height.Wherein, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 are respectively 1 Europe, 2 Europe, 2 Europe, 5 Europe, 10 Europe, 20 Europe, 20 Europe, 50 Europe, 100 Europe, 200 Europe, 200 Europe, 500 Europe, 3000 Europe.Switch S1 ~ S13 is carried out selectivity be switched on or switched off, can be to the all-in resistance real-time regulated of described branch, maximum can be adjusted to 4110 Europe, and minimum can be adjusted to 1 Europe.
Described voltage regulator circuit comprises contactor KM1 normally opened contact, pressure regulator T1, transformer T2 and the voltage table PV1 of circuit breaker Q S1, control circuit, be connected (as the 220v AC power) again with AC power after the primary coil series connection of circuit breaker Q S1, contactor KM1 normally opened contact and pressure regulator T1, the secondary coil of pressure regulator T1 is connected with the primary coil of transformer T2, the secondary coil of voltage table PV1 and transformer T2 also connects output voltage with real-time measuring transformer T2, and the two ends of the secondary coil of transformer T2 are respectively a end and b end.
Described high-pressure generating circuit comprises high-tension transformer T3, switching discharge tube GDT1, resistance R 14 and capacitor C 1, resistance R 14 and capacitor C 1 back in parallel one end are connected with an end of the primary coil of high-tension transformer T3 by switching discharge tube GDT1, the other end of the primary coil of high-tension transformer T3 is connected to zero line N, the other end after resistance R 14 and capacitor C 1 parallel connection is a d end, and the two ends of the secondary coil of high-tension transformer T3 connect the b end of secondary coil of transformer T2 of voltage regulator circuit and the common port c of circuit respectively.Produce pulse current by the primary coil that constantly discharges and recharges at high-tension transformer T3 to electric capacity, the secondary coil of high-tension transformer T3 produces high pressure.
Described control circuit comprises relay K 1, relay K 2, relay K 3, time relay KT1, time relay KT2, contactor KM1, contactor KM2, starting switch SB1, shutdown switch SB2 and high voltage startup switch S 14; Relay K 1, relay K 2, relay K 3, time relay KT1, time relay KT2, contactor KM1 and contactor KM2 all join with zero line N; The normally opened contact K1-1 of relay K 1 and starting switch SB1 and shutdown switch SB2 combination are equipped, and the normally opened contact K1-1 of starting switch SB1 and relay K 1 connects live wire L respectively; The normally opened contact K1-2 of relay K 1, time relay KT1, time relay KT2, high voltage startup switch S 14 and relay K 3 combinations are equipped, the normally opened contact K1-2 of relay K 1 is connected with time relay KT1 and high voltage startup switch S 14 respectively, high voltage startup switch S 14 other ends are connected with time relay KT2, the normally closed contact KT2-1 of time relay KT2 is connected with high voltage startup switch S 14 other ends and relay K 3 respectively, and the normally opened contact K1-2 of relay K 1 connects live wire; The normally opened contact K1-3/4 of relay K 1 and contactor KM1 combination are equipped, and the normally opened contact K1-3/4 of relay K 1 connects live wire; The normally opened contact KT1-1 of time relay KT1 and relay K 2 combinations are equipped, and the normally opened contact KT1-1 of time relay KT1 connects live wire; The normally opened contact K2-1 of relay K 2 and contactor KM2 combination are equipped, and the normally opened contact K2-1 of relay K 2 connects live wire; The normally opened contact K3-1 of relay K 3 is connected to the d end of high-pressure generating circuit, and the normally opened contact K3-1 of relay K 3 connects live wire.
The above only is preferred embodiment of the present utility model, is not that technical scope of the present utility model is imposed any restrictions.The technician of the industry, under the inspiration of the technical program, can make some distortion and revise, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model above any modification, equivalent variations and modification that embodiment did.

Claims (5)

1. the circuit of a gas-discharge tube ageing device comprises voltage regulator circuit, current regulating circuit and control circuit; It is characterized in that: also comprise high-pressure generating circuit, the input end of voltage regulator circuit connects AC power, the output terminal of voltage regulator circuit is connected with the input end of current regulating circuit, high-pressure generating circuit is connected with current regulating circuit, control circuit is connected with voltage regulator circuit, current regulating circuit, high-pressure generating circuit respectively, respectively the operation of voltage regulator circuit, current regulating circuit, high-pressure generating circuit is controlled in real time;
Described current regulating circuit comprises:
Form m bar branch by reometer PA, resistance R 1 ~ Rn and switch S 1 ~ S n, wherein n and m are the positive integer greater than 1, R1 among resistance R 1 ~ Rn and the switch S 1 ~ Sn and S1 ... connect again after Rn and the corresponding one by one parallel connection of Sn; Reometer PA is serially connected with the branch that comprises resistance R 1 ~ Rn and switch S 1 ~ Sn accordingly;
The input end of described m bar branch is connected with the normally opened contact of the contactor KM2 of control circuit respectively, with a end of the secondary coil of the transformer T2 that connects described voltage regulator circuit, the output terminal of described m bar branch is connected to the corresponding gas-discharge tube for the treatment of ageing separately.
2. the circuit of a kind of gas-discharge tube ageing device according to claim 1 is characterized in that: the gas-discharge tube for the treatment of ageing also is connected with the common port c of circuit.
3. the circuit of a kind of gas-discharge tube ageing device according to claim 1 is characterized in that:
Described voltage regulator circuit comprises contactor KM1 normally opened contact, pressure regulator T1, transformer T2 and the voltage table PV1 of circuit breaker Q S1, control circuit, be connected with AC power again after the primary coil series connection of circuit breaker Q S1, contactor KM1 normally opened contact and pressure regulator T1, the secondary coil of pressure regulator T1 is connected with the primary coil of transformer T2, the parallel connection of secondary windings of voltage table PV1 and transformer T2, the two ends of the secondary coil of transformer T2 are respectively a end and b end.
4. the circuit of a kind of gas-discharge tube ageing device according to claim 1, it is characterized in that: described high-pressure generating circuit comprises high-tension transformer T3, switching discharge tube GDT1, resistance R 14 and capacitor C 1, resistance R 14 and capacitor C 1 back in parallel one end are connected with an end of the primary coil of high-tension transformer T3 by switching discharge tube GDT1, the other end of the primary coil of high-tension transformer T3 is connected to zero line N, the other end after resistance R 14 and capacitor C 1 parallel connection is a d end, and the two ends of the secondary coil of high-tension transformer T3 connect the b end of secondary coil of transformer T2 of voltage regulator circuit and the common port c of circuit respectively.
5. the circuit of a kind of gas-discharge tube ageing device according to claim 1 is characterized in that: described control circuit comprises relay K 1, relay K 2, relay K 3, time relay KT1, time relay KT2, contactor KM1, contactor KM2, starting switch SB1, shutdown switch SB2 and high voltage startup switch S 14; Relay K 1, relay K 2, relay K 3, time relay KT1, time relay KT2, contactor KM1 and contactor KM2 all join with zero line N; The normally opened contact K1-1 of relay K 1 and starting switch SB1 and shutdown switch SB2 combination are equipped, and the normally opened contact K1-1 of starting switch SB1 and relay K 1 connects live wire L respectively; The normally opened contact K1-2 of relay K 1, time relay KT1, time relay KT2, high voltage startup switch S 14 and relay K 3 combinations are equipped, the normally opened contact K1-2 of relay K 1 is connected with time relay KT1 and high voltage startup switch S 14 respectively, high voltage startup switch S 14 other ends are connected with time relay KT2, the normally closed contact KT2-1 of time relay KT2 is connected with high voltage startup switch S 14 other ends and relay K 3 respectively, and the normally opened contact K1-2 of relay K 1 connects live wire; The normally opened contact K1-3/4 of relay K 1 and contactor KM1 combination are equipped, and the normally opened contact K1-3/4 of relay K 1 connects live wire; The normally opened contact KT1-1 of time relay KT1 and relay K 2 combinations are equipped, and the normally opened contact KT1-1 of time relay KT1 connects live wire; The normally opened contact K2-1 of relay K 2 and contactor KM2 combination are equipped, and the normally opened contact K2-1 of relay K 2 connects live wire; The normally opened contact K3-1 of relay K 3 is connected to the d end of high-pressure generating circuit, and the normally opened contact K3-1 of relay K 3 connects live wire.
CN2011201077375U 2011-04-13 2011-04-13 Circuit of aging device for gas discharge tubes Expired - Fee Related CN202033451U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201077375U CN202033451U (en) 2011-04-13 2011-04-13 Circuit of aging device for gas discharge tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201077375U CN202033451U (en) 2011-04-13 2011-04-13 Circuit of aging device for gas discharge tubes

Publications (1)

Publication Number Publication Date
CN202033451U true CN202033451U (en) 2011-11-09

Family

ID=44895744

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201077375U Expired - Fee Related CN202033451U (en) 2011-04-13 2011-04-13 Circuit of aging device for gas discharge tubes

Country Status (1)

Country Link
CN (1) CN202033451U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107997571A (en) * 2016-10-31 2018-05-08 佛山市顺德区美的电热电器制造有限公司 It is a kind of to protect circuit and electric pressure cooking saucepan, the method for protection pressure switch
CN108896848A (en) * 2018-07-04 2018-11-27 南通天禾机械科技有限公司 Ageing changes batch voltage adjust automatically technique
CN117420424A (en) * 2023-03-01 2024-01-19 深圳市爱科赛科技股份有限公司 High-voltage aging system of vacuum switch tube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107997571A (en) * 2016-10-31 2018-05-08 佛山市顺德区美的电热电器制造有限公司 It is a kind of to protect circuit and electric pressure cooking saucepan, the method for protection pressure switch
CN108896848A (en) * 2018-07-04 2018-11-27 南通天禾机械科技有限公司 Ageing changes batch voltage adjust automatically technique
CN117420424A (en) * 2023-03-01 2024-01-19 深圳市爱科赛科技股份有限公司 High-voltage aging system of vacuum switch tube

Similar Documents

Publication Publication Date Title
CN105119388B (en) The Current Mutual Inductance draw-out power supply of wide-range current work
EP3226267A1 (en) On-load voltage regulation tap switch for transformer and switch control method
CN104579070B (en) Contactless on-load automatic regulating distribution transformer and the method for carrying out automatic Regulation
CN105044408A (en) High-current current boosting device for ultrahigh-voltage current transformer calibration
CN202033451U (en) Circuit of aging device for gas discharge tubes
CN204832484U (en) Intelligent substation compensation formula rises and flows device
CN105576668B (en) Passive filtering and reactive power compensator based on magnetic control tuning
CN105467239A (en) Voltage transformer excitation characteristic test system
CN104613219B (en) The alternating current electromagnetic valve of dual threshold type economize on electricity noise elimination
CN204142786U (en) A kind of thunder and lightning damped oscillation wave producer
CN105372618A (en) 500kV voltage transformer check power source multi-stage reactive power compensation system
CN105915068A (en) De-dusting power supply control method, apparatus and system
CN104330598A (en) Lightning damped oscillation wave generator
CN104613218B (en) The alternating current electromagnetic valve of single threshold type economize on electricity noise elimination
CN207588447U (en) A kind of current limliting for electric energy security intelligent monitor system, limited-voltage control device
CN209342788U (en) Automatic conversion metering device for composite transform-ratio current mutual inductor
CN102810383B (en) Controllable reactor
CN105576988B (en) A kind of coupling energy taking power supply adapting to the work of wide dynamic range bus current
RU178667U1 (en) Device for filtering and compensating AC traction power supply system
CN202838765U (en) Low-voltage electric field arcing experience device
CN101710787A (en) Generation method and device of sine wave heavy current
CN202471904U (en) AC voltage-proof tester
CN104901565A (en) Multistage-power-amplification-balanced-modulation-circuit-base mixing protection type switching voltage-stabilized power supply
CN205670749U (en) Generator excited system
CN204615638U (en) A kind of the soft of high-voltage cascade frequency converter opens circuit

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Free format text: FORMER OWNER: SHIJIAZHUANG KAIHONG ELECTRONIC CO., LTD.

Effective date: 20150729

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150729

Address after: 518131, Guangdong, Shenzhen District, Longhua province Longhua office, pine and community road, No. 19, C building, building 4, Room 401

Patentee after: Shenzhen SOCAY Electronic Co., Ltd.

Address before: 518000 Guangdong city of Shenzhen province Futian District Huanggang road gaoshangge gaokeli building 30 building A room

Patentee before: Shenzhen SOCAY Electronic Co., Ltd.

Patentee before: Shijiazhuang Kaihong Electronic Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111109

Termination date: 20170413