CN201935934U - High-voltage triangular voltage wave generator - Google Patents
High-voltage triangular voltage wave generator Download PDFInfo
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- CN201935934U CN201935934U CN2010206935876U CN201020693587U CN201935934U CN 201935934 U CN201935934 U CN 201935934U CN 2010206935876 U CN2010206935876 U CN 2010206935876U CN 201020693587 U CN201020693587 U CN 201020693587U CN 201935934 U CN201935934 U CN 201935934U
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Abstract
The utility model discloses a high-voltage triangular voltage wave generator, which relates to a high-voltage triangular voltage wave generator used in test instruments of lighting protection devices SPD (surge protective device), etc. The high-voltage triangular voltage wave generator comprises n 1100V voltage triangular wave units; each 1100V voltage triangular wave unit comprises an electronic switch, an isolating power module, a drive power of the electronic switch, and a photoelectric coupler. The high-voltage triangular voltage wave generator also comprises a forming output circuit, a power module and a direct current power which integrate the head waveforms and tail waveforms generated by the n 1100V voltage triangular wave units into an integrated high-voltage triangular voltage wave. The high-voltage triangular voltage wave generator has the beneficial effects of small size and convenience for carrying. Moreover, the high-voltage triangular voltage wave generator is convenient to test the lighting protection devices SPD on the spot.
Description
Technical field
The utility model relates to the employed high voltage triangle voltage wave generators such as Electrical Parameter Meter device at lightning protection components and parts and surge protection device SPD, refers to that especially a kind of rate of rise commonly used when lightning protection components and parts and electrical parameters measure is that 1000V/uS and wave head are the high voltage triangle voltage wave generator of the 10/700uS of 700uS for the 10uS wave rear.Its amplitude size and waveform definition are according to operative norm: IEC61643.311, GB/T18802.311.
Background technology
Continuous development along with shocking preventing technology; by IEC of International Electrotechnical Commission and GB GB standard-required; the electrical parameters measure of lightning protection components and parts and surge protection device SPD had more than be satisfied with factory and breadboard test, use on-the-spot test request more and more.(as 1000V/uS, 10/700uS etc.) high voltage triangle voltage wave generator is more and more in order to the requirement to the on-the-spot test of surge protection device SPD electric parameter.
The high voltage triangle voltage wave generator of widely used IEC of meeting and GB GB standard-required has the following disadvantages at present:
A, volume are big, because main high-tension transformer and the high-pressure machinery switch of using causes volume bigger, are difficult to make portable or hand-held.Fig. 2 is the 10/700uS waveform generator synoptic diagram of prior art, owing to adopt the power frequency high voltage step-up transformer, its volume can not be accomplished small and exquisite, and insulation also needs special process to finish.Its high-voltage discharging switch is owing to high voltage, and the cause of big electric current can't be accomplished small and exquisite;
B, high-pressure machinery switch contact be arcing ablation easily under the high-voltage large current state;
C, mechanical contact cause the shake of waveform easily, cause the distortion of waveform, as shown in Figure 3;
There are certain noise d, the moment of discharging, cause that easily the tester's is uncomfortable.
Lightning protection components and parts and surge protection device SPD market demand be a kind of to be convenient to laboratory, factory and to use the portable high voltage triangle voltage wave generator of on-the-spot test, and can the arcing ablation under the high-voltage large current state, waveform is undistorted and discharge off noise etc.
Summary of the invention
The utility model is intended to the above-mentioned deficiency and the market demand at prior art, releases a kind of high voltage triangle voltage wave that meets IEC and GB GB standard-required.With the high voltage triangle voltage wave generator that this method is made, its volume is little, is easy to carry, and is convenient at the scene lightning protection components and parts and SPD be tested, simultaneously can the arcing ablation under the high-voltage large current state, waveform is undistorted and discharge off noise etc.
To achieve these goals, finish above-mentioned task, a kind of high voltage triangle of the utility model voltage wave generator adopts following technical scheme:
A kind of high voltage triangle of the utility model voltage wave generator comprises n 1100V voltage voltage triangular wave unit, and wherein n equals 2 or greater than 2 positive integer.
Technical scheme to above-mentioned a kind of high voltage triangle voltage wave generator is further set forth:
A kind of high voltage triangle voltage wave generator, each described 1100V voltage triangular wave unit comprise electronic switch, insulating power supply module, electronic switch driving power and as described 1100V voltage triangular wave unit synchronously and the photoelectrical coupler of stack, also comprise the wave head waveform of n described 1100V voltage triangular wave unit generation and the formation output circuit of the whole high voltage triangle of the two-in-one formation of wave rear waveform voltage wave, power module and direct supply; Electronic switch is the transistor Q1 that is operated on off state; The input end of described power module is connected with described direct supply by switch, and the output terminal of described power module is described driving power; The input end of insulating power supply module is connected with described direct supply by switch, and two output terminals of insulating power supply module are connected respectively with as the collector of the transistor Q1 of electronic switch, the emitter resistance R3 of transistor Q1; The light emitting drive end of described photoelectrical coupler links to each other with the positive pole of direct supply, the negative pole of direct supply with current-limiting resistance R9 by the normal opened contact of starting switch through R1 respectively; The switch that the output terminal of described photoelectrical coupler links to each other with driving power 3 as the base stage of transistor Q1, the emitter of the output terminal of photoelectricity electric coupler links to each other with the base stage of transistor Q1 through R2, and the collector of the output terminal of photoelectricity electric coupler links to each other with driving power through isolating diode D1; Described formation output circuit is connected in the emitter as the output terminal of the transistor Q1 of electronic switch.
Described direct supply is 12VDC.
The insulating power supply module is a 12VDC-1100V DC insulating power supply module, system adopts the 30Kz pure oscillator rectifying and wave-filtering that boosts to obtain about 1100VDC voltage, comprise transistor Q2, transistor Q3, coil L1, resistance R 6, capacitor C 6, capacitor C 7, transformer T1, diode D11, diode D12, diode D13, diode D14, diode D15, diode D16, diode D17 and diode D18, transformer T1 is three winding high-frequency transformers, the negative pole that connects described direct supply after the emitter parallel connection of the emitter of transistor Q2 and transistor Q3, the base stage of transistor Q2 is connected with an end of the elementary winding L 3 of transformer T1, the other end of the elementary winding L 3 of transformer T1 is connected with an end of the base stage of transistor Q3 and resistance R 6, one end of the end of the other end of resistance R 6 and coil L1 and the elementary winding L 2 of transformer T1 is connected, the other end of coil L1 is connected with the positive pole of described direct supply by switch, the elementary winding L 2 of transformer T1 has tap, the tap of the elementary winding L 2 of transformer T1 and transistor Q2 collector and a utmost point of capacitor C 6 be connected another utmost point of capacitor C 6 and the collector of transistor Q3; The two ends of the secondary winding L3 of transformer T1 are connected with the input end of the current rectifying and wave filtering circuit that diode D11, diode D12, diode D13, diode D14, diode D15, diode D16, diode D17, diode D18 and capacitor C 7 constitute, the two ends of capacitor C 7 are the output terminal of current rectifying and wave filtering circuit, that is the output terminal of insulating power supply module, output 1100VDC voltage.
The output terminal that the driving power of electronic switch is isolated the described power module of 12VDC-6 * 12VDC by a n group provides.
The described power module that the n group is isolated 12VDC-6 * 12VDC comprises transistor Q4, transistor Q5, multiwinding transformer T2, R7, C8 and coil L5, also comprise the corresponding configuration of 6 groups of secondary winding with described transformer T2 by diode D21, diode D22, diode D23, the current rectifying and wave filtering circuit that diode D24 and electrochemical capacitor C9 form, the negative pole of described direct supply is connected after the emitter parallel connection of transistor Q4 and transistor Q5, the base stage of transistor Q4 is connected with an end of the elementary winding L 7 of described transformer T2, the other end of the elementary winding L 7 of described transformer T2 is connected with the base stage of an end of resistance R 7 and transistor Q5, one end of the end of the other end of resistance R 7 and coil L5 and the elementary winding L 6 of described transformer T2 is connected, the other end of coil L5 is connected with the positive pole of described direct supply, the elementary winding L 6 of described transformer T2 has tap, the tap of the elementary winding L 6 of described transformer T2 is connected with the collector of a utmost point of capacitor C 8 and transistor Q4, the other end of the elementary winding L 6 of described transformer T2 and another utmost point of capacitor C 8 and transistor Q5 collector be connected; In 6 groups of secondary winding of described transformer T2 each group respectively with the input end connection of the current rectifying and wave filtering circuit of forming by diode D21, diode D22, diode D23, diode D24 and electrochemical capacitor C9 of corresponding configuration, the electrochemical capacitor C9 output voltage 12VDC of each group is with as the described driving power of a described electronic switch wherein.
Described formation output circuit comprises wave front resistance R4, wave rear resistance R 5, wave head capacitor C 1 and output resistance R8, the end of wave front resistance R4 is connected with emitter as the transistor Q1 of electronic switch, the other end of wave front resistance R4 is connected with a utmost point of wave head capacitor C 1 electrode, an end of wave rear resistance R 5 and the end of output resistance R8, another utmost point of wave head capacitor C 1 electrode is connected with the negative pole of the other end of wave rear resistance R 5 and insulating power supply module output terminal 1100VDC voltage, from the other end output HIGH voltage triangle voltage wave of output resistance R8.
Power switch and starting switch are set reach and the direct supply configuration, relay also is set.
Compare with prior art, the beneficial effects of the utility model are:
1, adopt n electronic switch to replace mechanical high-voltage switch gear, and the transistor as electronic switch is selected BU508A for use, the maximum switching current 15A of BU508A, maximum switching voltage 1500V, maximum switching frequency 7MHz meets the demands as the electronic switch of 1100VDC electric current and voltage less than 2A fully with it.The on-off circuit stack that the electronic switch of n BU508A of employing is made replaces the high-pressure machinery contact switch;
2, replace traditional power frequency high voltage transformer with n 12VDC-1100V DC insulating power supply module.12VDC-1100V DC insulating power supply module adopts the 30Kz pure oscillator rectifying and wave-filtering that boosts to obtain about 1100VDC voltage, has the little efficient height of volume, and volume only is 44mm * 21mm;
3, isolate the switch drive power supply of 12VDC-6 * 12VDC power module with single n group as BU508A.Its schematic diagram such as Fig. 5, its volume are 88mm * 42mm;
4, superpose as reaching synchronously of low pressure triangular wave unit with n photoelectrical coupler, well consistance is reliable synchronously for isolation;
5, the utility model can be realized 1000V/uS, high voltage triangle voltage wave amplitudes such as 10/700uS are the voltage output of n * 1100KV, IEC61643.311, GB/T18802.311 require 1000V/uS, high voltage triangle voltage wave amplitudes such as 10/700uS are n * 1100KV, other voltages can obtain the 1000V/uS that other are lower than the amplitude of n * 1100KV, high voltage triangle voltage waves such as 10/700uS as long as adjust 12VDC-1100V DC insulating power supply module input voltage.Parameter adjustment is convenient and practical;
6, the utility model can be realized 1000V/uS, high voltage triangle voltage wave versatility circuit such as 10/700uS, 2 close its pcb board of 1 waveform formation output circuit can be general, and a parameter that only needs to change element just can obtain other triangle voltage waves such as 1000V/uS or 10/700uS.
In a word, the utility model high voltage triangle voltage wave generator, its volume is little, is easy to carry, and is convenient at the scene lightning protection components and parts SPD be tested, simultaneously can the arcing ablation under the high-voltage large current state, waveform is undistorted and discharge off noise etc.
Description of drawings
Fig. 1 prior art 1000V/uS, 10/700uS 6KV voltage wave generator universal circuit synoptic diagram;
Fig. 2 prior art machine 1000V/uS, the waveform shake figure that 10/700uS 6KV voltage wave generator causes because of mechanical contact;
Fig. 3 the utility model high voltage 1000V/uS and 10/700uS triangle voltage wave generator circuit module diagram;
Fig. 4 the utility model high voltage 1000V/uS and 10/700uS triangle voltage wave generator circuit figure;
Fig. 5 is a 12VDC-1100V DC insulating power supply modular circuit synoptic diagram;
Fig. 6 is 12VDC-6 * 12VDC power module circuitry synoptic diagram.
Among the figure: 1, direct supply; 2, power module; 3, driving power; 4, insulating power supply module; 5, photoelectrical coupler; 6, electronic switch; 7, form output circuit; 8, power switch; 9, starting switch; 10, relay.
Embodiment:
Below, introduce embodiment of the present utility model in conjunction with the accompanying drawings.
As shown in Figures 3 and 4, a kind of high voltage triangle of the utility model voltage wave generator, comprise n 1100V voltage triangular wave unit, each described 1100V voltage triangular wave unit comprise electronic switch 6, insulating power supply module 4, electronic switch 6 driving power 3 and as described 1100V voltage triangular wave unit synchronously and the photoelectrical coupler 5 of stack, also comprise the wave head waveform of n described 1100V voltage triangular wave unit generation and the formation output circuit 7 of the whole high voltage triangle of the two-in-one formation of wave rear waveform voltage wave, power module 2 and direct supply 1; Electronic switch 6 is for being operated in the transistor Q1 of on off state; The input end of described power module 2 is connected with described direct supply 1 by switch, and the output terminal of described power module 2 is described driving power 3; The input end of insulating power supply module 4 is connected with described direct supply 1 by switch, and two output terminals of insulating power supply module 4 are connected respectively with as the collector of the transistor Q1 of electronic switch 6, the emitter resistance R3 of transistor Q1; The light emitting drive end of described photoelectrical coupler 5 links to each other with the positive pole of direct supply 8, the negative pole of direct supply 8 with current-limiting resistance R9 by the normal opened contact of starting switch through R1 respectively; The switch that the output terminal of described photoelectrical coupler 5 links to each other with driving power 3 as the base stage of transistor Q1, the emitter of the output terminal of photoelectricity electric coupler 5 links to each other with the base stage of transistor Q1 through R2, and the collector of the output terminal of photoelectricity electric coupler 5 links to each other with driving power 3 through isolating diode D1; Described formation output circuit 7 is connected in the emitter as the output terminal of the transistor Q1 of electronic switch 6.
In order to make instrument can make portable or hand-held, it is described direct supply 1 power supply that a kind of 6KV high voltage of the utility model triangle voltage wave generator adopts powered battery, and described direct supply 1 is 12VDC.
As shown in Figure 5, insulating power supply module 4 is a 12VDC-1100V DC insulating power supply module, system adopts the 30Kz pure oscillator rectifying and wave-filtering that boosts to obtain 6 groups of high-voltage power supplies of about 1100VDC voltage, comprise transistor Q2, transistor Q3, coil L1, resistance R 6, capacitor C 6, capacitor C 7, transformer T1, diode D11, diode D12, diode D13, diode D14, diode D15, diode D16, diode D17 and diode D18, transformer T1 is three winding high-frequency transformers, the negative pole that connects described direct supply after the emitter parallel connection of the emitter of transistor Q2 and transistor Q3, the base stage of transistor Q2 is connected with an end of the elementary winding L 3 of transformer T1, the other end of the elementary winding L 3 of transformer T1 is connected with an end of the base stage of transistor Q3 and resistance R 6, one end of the end of the other end of resistance R 6 and coil L1 and the elementary winding L 2 of transformer T1 is connected, the other end of coil L1 is connected with the positive pole of described direct supply by switch, the elementary winding L 2 of transformer T1 has tap, the tap of the elementary winding L 2 of transformer T1 and transistor Q2 collector and a utmost point of capacitor C 6 be connected another utmost point of capacitor C 6 and the collector of transistor Q3; The two ends of the secondary winding L3 of transformer T1 are connected with the input end of the current rectifying and wave filtering circuit that diode D11, diode D12, diode D13, diode D14, diode D15, diode D16, diode D17, diode D18 and capacitor C 7 constitute, the two ends of capacitor C 7 are the output terminal of current rectifying and wave filtering circuit, that is the output terminal of insulating power supply module, output 1100VDC voltage.Transformer T1 adopts the EPC19 high-frequency transformer, and skeleton adopts 5 groups to isolate the multilayer skeletons, can well handle between line and insulate, and every group withstand voltage gets final product greater than 200V.
The output terminal that the driving power 3 of electronic switch 6 is isolated the described power module 2 of 12VDC-n * 12VDC by a n group provides.
As shown in Figure 6, the described power module 2 that the n group is isolated 12VDC-n * 12VDC comprises transistor Q4, transistor Q5, multiwinding transformer T2, R7, C8 and coil L5, also comprise the corresponding configuration of 6 groups of secondary winding with described transformer T2 by diode D21, diode D22, diode D23, the current rectifying and wave filtering circuit that diode D24 and electrochemical capacitor C9 form, the negative pole of described direct supply is connected after the emitter parallel connection of transistor Q4 and transistor Q5, the base stage of transistor Q4 is connected with an end of the elementary winding L 7 of described transformer T2, the other end of the elementary winding L 7 of described transformer T2 is connected with the base stage of an end of resistance R 7 and transistor Q5, one end of the end of the other end of resistance R 7 and coil L5 and the elementary winding L 6 of described transformer T2 is connected, the other end of coil L5 is connected with the positive pole of described direct supply, the elementary winding L 6 of described transformer T2 has tap, the tap of the elementary winding L 6 of described transformer T2 is connected with the collector of a utmost point of capacitor C 8 and transistor Q4, the other end of the elementary winding L 6 of described transformer T2 and another utmost point of capacitor C 8 and transistor Q5 collector be connected; In 6 groups of secondary winding of described transformer T2 each group respectively with the input end connection of the current rectifying and wave filtering circuit of forming by diode D21, diode D22, diode D23, diode D24 and electrochemical capacitor C9 of corresponding configuration, the electrochemical capacitor C9 output voltage 12VDC of each group is with as the described driving power of a described electronic switch wherein.Multiwinding transformer T2 adopts the EPC19 high-frequency transformer, its former side's parameter is consistent with described insulating power supply module 4, pay the side and adopt n isolated windings independently separately, about the about 12V of output voltage, this n group power supply is as the driving power of BU508A transistor Q1, its voltage adaptation scope is very wide, and 8-20V can.Immediate current gets final product greater than 20m A.
Described formation output circuit 7 comprises wave front resistance R4, wave rear resistance R 5, wave head capacitor C 1 and output resistance R8, the end of wave front resistance R4 is connected with emitter as the transistor Q1 of electronic switch, the other end of wave front resistance R4 is connected with a utmost point of wave head capacitor C 1 electrode, an end of wave rear resistance R 5 and the end of output resistance R8, another utmost point of wave head capacitor C 1 electrode is connected with the negative pole of the other end of wave rear resistance R 5 and insulating power supply module output terminal 1100VDC voltage, from the other end output HIGH voltage triangle voltage wave of output resistance R8.
As shown in Figure 2, power switch 8 and starting switch 9 being set reaches and direct supply 1 configuration; Relay 10 also is set.
A kind of high voltage triangle of the utility model voltage wave generator course of work is as follows:
Claims (7)
1. high voltage triangle voltage wave generator is characterized in that: comprise n 1100V voltage triangular wave unit, wherein n equals 2 or greater than 2 positive integer.
2. a kind of high voltage triangle voltage wave generator according to claim 2, it is characterized in that: each described 1100V voltage triangular wave unit comprise electronic switch, insulating power supply module, electronic switch driving power and as described 1100V voltage triangular wave unit synchronously and the photoelectrical coupler of stack, also comprise the wave head waveform of n described 1100V voltage triangular wave unit generation and the formation output circuit of the whole high voltage triangle of the two-in-one formation of wave rear waveform voltage wave, power module and direct supply; Electronic switch is the transistor Q1 that is operated on off state; The input end of described power module is connected with described direct supply by switch, and the output terminal of described power module is described driving power; The input end of insulating power supply module is connected with described direct supply by switch, and two output terminals of insulating power supply module are connected respectively with as the collector of the transistor Q1 of electronic switch, the emitter resistance R3 of transistor Q1; The light emitting drive end of described photoelectrical coupler links to each other with the positive pole of direct supply, the negative pole of direct supply with current-limiting resistance R9 by the normal opened contact of starting switch through R1 respectively; The switch that the output terminal of described photoelectrical coupler links to each other with driving power 3 as the base stage of transistor Q1, the emitter of the output terminal of photoelectricity electric coupler links to each other with the base stage of transistor Q1 through R2, and the collector of the output terminal of photoelectricity electric coupler links to each other with driving power through isolating diode D1; Described formation output circuit is connected in the emitter as the output terminal of the transistor Q1 of electronic switch.
3. a kind of high voltage triangle voltage wave generator according to claim 2, it is characterized in that: described direct supply is 12VDC.
4. a kind of high voltage triangle voltage wave generator according to claim 2, it is characterized in that: the insulating power supply module is a 12VDC-1100V DC insulating power supply module, system adopts the 30Kz pure oscillator rectifying and wave-filtering that boosts to obtain about 1100VDC voltage, comprise transistor Q2, transistor Q3, coil L1, resistance R 6, capacitor C 6, capacitor C 7, transformer T1, diode D11, diode D12, diode D13, diode D14, diode D15, diode D16, diode D17 and diode D18, transformer T1 is three winding high-frequency transformers, the negative pole that connects described direct supply after the emitter parallel connection of the emitter of transistor Q2 and transistor Q3, the base stage of transistor Q2 is connected with an end of the elementary winding L 3 of transformer T1, the other end of the elementary winding L 3 of transformer T1 is connected with an end of the base stage of transistor Q3 and resistance R 6, one end of the end of the other end of resistance R 6 and coil L1 and the elementary winding L 2 of transformer T1 is connected, the other end of coil L1 is connected with the positive pole of described direct supply by switch, the elementary winding L 2 of transformer T1 has tap, the tap of the elementary winding L 2 of transformer T1 and transistor Q2 collector and a utmost point of capacitor C 6 be connected, another utmost point of capacitor C 6 is connected with the other end of the collector of transistor Q3; The two ends of the secondary winding L3 of transformer T1 are connected with the input end of the current rectifying and wave filtering circuit that diode D11, diode D12, diode D13, diode D14, diode D15, diode D16, diode D17, diode D18 and capacitor C 7 constitute, the two ends of capacitor C 7 are the output terminal of current rectifying and wave filtering circuit, that is the output terminal of insulating power supply module, output 1100VDC voltage.
5. a kind of high voltage triangle voltage wave generator according to claim 2 is characterized in that: the output terminal that the driving power of electronic switch is isolated the described power module of 12VDC-6 * 12VDC by a n group provides.
6. a kind of high voltage triangle voltage wave generator according to claim 5, it is characterized in that: the described power module that the n group is isolated 12VDC-6 * 12VDC comprises transistor Q4, transistor Q5, many windings high-frequency transformer T2, R7, C8 and coil L5, also comprise the corresponding configuration of 6 groups of secondary winding with described transformer T2 by diode D21, diode D22, diode D23, the current rectifying and wave filtering circuit that diode D24 and electrochemical capacitor C9 form, the negative pole of described direct supply is connected after the emitter parallel connection of transistor Q4 and transistor Q5, the base stage of transistor Q4 is connected with an end of the elementary winding L 7 of described transformer T2, the other end of the elementary winding L 7 of described transformer T2 is connected with the base stage of an end of resistance R 7 and transistor Q5, one end of the end of the other end of resistance R 7 and coil L5 and the elementary winding L 6 of described transformer T2 is connected, the other end of coil L5 is connected with the positive pole of described direct supply, the elementary winding L 6 of described transformer T2 has tap, the tap of the elementary winding L 6 of described transformer T2 is connected with the collector of a utmost point of capacitor C 8 and transistor Q4, the other end of the elementary winding L 6 of described transformer T2 and another utmost point of capacitor C 8 and transistor Q5 collector be connected; In the n of the described transformer T2 group secondary winding each group respectively with the input end connection of the current rectifying and wave filtering circuit of forming by diode D21, diode D22, diode D23, diode D24 and electrochemical capacitor C9 of corresponding configuration, the electrochemical capacitor C9 output voltage 12VDC of each group is with as the described driving power of a described electronic switch wherein.
7. a kind of high voltage triangle voltage wave generator according to claim 2, it is characterized in that: described formation output circuit comprises wave front resistance R4, wave rear resistance R 5, wave head capacitor C 1 and output resistance R8, the end of wave front resistance R4 is connected with emitter as the transistor Q1 of electronic switch, one utmost point of the other end of wave front resistance R4 and wave head capacitor C 1 electrode, one end of wave rear resistance R 5 and the end of output resistance R8 connect, another utmost point of wave head capacitor C 1 electrode is connected with the negative pole of the other end of wave rear resistance R 5 and insulating power supply module output terminal 1100VDC voltage, from other end output n * 1100KV high voltage triangle voltage wave of output resistance R8.
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| CN2010206935876U CN201935934U (en) | 2010-12-31 | 2010-12-31 | High-voltage triangular voltage wave generator |
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| CN2010206935876U CN201935934U (en) | 2010-12-31 | 2010-12-31 | High-voltage triangular voltage wave generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175898A (en) * | 2010-12-31 | 2011-09-07 | 东莞市新铂铼电子有限公司 | Method for making high-voltage triangular voltage wave generator and high voltage-triangular voltage wave generator |
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2010
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175898A (en) * | 2010-12-31 | 2011-09-07 | 东莞市新铂铼电子有限公司 | Method for making high-voltage triangular voltage wave generator and high voltage-triangular voltage wave generator |
| CN102175898B (en) * | 2010-12-31 | 2013-05-29 | 东莞市新铂铼电子有限公司 | Method for making high-voltage triangular voltage wave generator and high voltage-triangular voltage wave generator |
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Granted publication date: 20110817 Termination date: 20161231 |