CN2066992U - Test instrument for thunder and lighting counter - Google Patents
Test instrument for thunder and lighting counter Download PDFInfo
- Publication number
- CN2066992U CN2066992U CN 90208236 CN90208236U CN2066992U CN 2066992 U CN2066992 U CN 2066992U CN 90208236 CN90208236 CN 90208236 CN 90208236 U CN90208236 U CN 90208236U CN 2066992 U CN2066992 U CN 2066992U
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- Prior art keywords
- capacitor
- thunder
- oscillator
- circuit
- test instrument
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Abstract
The utility model relates to a test instrument for thunder and lighting counter, wherein, the test instrument for thunder and lighting counter is characterized in that the self oscillator is a transformer feedback oscillator which is composed of one semi-conductor transistor. The output terminal of a transformer voltage boosting winding L-[3] is connected with the phase C of a capacitor through a rectifying element, which forms the charging circuit of the capacitor. A charging indication circuit which can be connected in parallel with the capacitor is composed of neon lamps and resistors, or one end of the charging indication circuit is connected with the capacitor, and the other end is connected with a transistor switching circuit which is used to control the oscillator oscillating. The utility model has the advantages of simple circuit structure, low cost, small size, convenient operation, low current consumption, automatically constant capacitor charging pressure, etc.
Description
The utility model relates to a kind of DC power converting means, particularly the DC power after the conversion is acted on the test instrument on the thunder and lightning counter.
Whether the operation of verification thunder and lightning counter is normal, needs the equipment that an imitation thunder and lightning produces big electric current, verifies whether counter is counted.Usually adopt megohmmeter to charge to electric capacity, discharge to the thunder and lightning counter by electric capacity then as power supply.This method needs three people operation, and inefficiency uses inconvenient.While easy burn-out megohmmeter.
Published one piece of lightning recorder tester on China's Jiangsu electric power magazine, it adopts the push-pull type self-excited oscillator to charge to capacitor behind voltage multiplying rectifier, this tester has overcome above-mentioned the deficiencies in the prior art, improved work efficiency, used easy to operately, but the circuit that constitutes this instrument adopts element more, supply voltage is higher, the device that does not have the automatic constant condenser voltage simultaneously, oscillator constantly produce vibration, and power consumption is bigger.
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of element few, dependable performance, the low thunder and lightning counter test instrument that reaches the automatic constant capacitor voltage at both ends of supply voltage.
The purpose of this utility model is achieved in that a kind of thunder and lightning counter test instrument, comprises self-excited oscillator, capacitor charge and discharge loop, with capacitor C and the charging indication that connects and input power supply E and power switch K
1, its special character is that self-excited oscillator is the transformer feedback formula LC oscillator of forming with transistor, the transformer secondary output winding L of boosting in the oscillator
3Output terminal be connected with capacitor C through rectifier cell, constitute the charge circuit of capacitor.This capacitor preferably adopts volume little, stored voltage height, the electric capacity that leakage coefficient is little.Triode BG in the oscillator
1Then to select the bigger pipe of enlargement factor β.
Described charging indication is made of neon lamp and current-limiting resistance, indicates the operating voltage of capacitor by neon lamp, and when capacitor voltage at both ends was elevated to the starting voltage of neon lamp, capacitor can be to the thunder and lightning counter works, i.e. discharge.Adopt the neon lamp indication more directly perceived, need not judge the luminous intensity of light emitting diode than the light emitting diode indication.
Described charging indication, the one end links to each other with an end of capacitor, and the other end then is connected with the input end of transistor switching circuit, its output terminal and oscillator triode BG
1Base stage link to each other, constitute the constant voltage on-off circuit, in order to the control generator vibration, promptly the charging voltage of control capacitor automatically reduces electrical source consumption, saves electric energy.
Output terminal at the capacitor discharge loop can and be connected to by resistance R
3, R
4, neon lamp Ne
2And K switch
2The discharge circuit that constitutes, it can bleed off the electric charge that stores in the capacitor behind end-of-job.
The utility model compared with prior art has following characteristics:
1. this circuit structure is simple, adopts element few, and cost is low, makes easily.
2. volume is little, in light weight.
3. use easy to operate, high efficiency.
4. dependable performance, power consumption is few, and its input supply voltage only is 3 volts, and output dc voltage is greater than 210 volts, and the output pulse current is greater than 60 amperes.
5. the function that has the automatic constant voltage on capacitor has reduced the consumption of electric energy in the work.
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model most preferred embodiment.
Fig. 3 is a box body structure synoptic diagram of the present utility model.
Be described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, input supply voltage E is 3 volts, can adopt two joint No.5 cells, K
1Be power switch.Oscillator with transformer feedback is by transformer B, resistance R
1, capacitor C
1, triode BG
1Connect and compose.L in the transformer
1Be triode BG
1The collector winding, L
2Be triode BG
1The base stage tickler, L
3Be the winding that boosts, L
1With L
2Between should produce 180 the degree phase shifts.Resistance R
1Be triode BG
1Base biasing resistor.Rectifier cell is commutation diode D, charge and discharge capacitance device C, and charging indication is by neon lamp Ne
1With current-limiting resistance R
2Constitute.The winding L of boosting in the oscillator
3Output terminal link to each other with the negative terminal of diode, its anode links to each other with the end of capacitor C, the capacitor other end links to each other with power supply negative terminal, neon lamp Ne
1With resistance R
2Be attempted by capacitor C two ends after the series connection.Instrument operating switch K
3Be serially connected on the discharge loop.
As shown in Figure 2, wherein oscillator, commutation diode D and to discharge and recharge container C same as shown in Figure 1 outline.By neon lamp Ne
1And resistance R
2One end of the charging indication that series connection constitutes links to each other with capacitor C input end, and the other end of charging indication links to each other with the input end of transistor switching circuit, the output terminal of on-off circuit and oscillator triode BG
1Base stage links to each other.Transistor switching circuit is by triode BG
2, BG
3Form.On the output terminal of capacitor discharge loop and be connected to discharge circuit, by resistance R
3R
4, neon lamp Ne
2, K switch
2Be composed in series.
As shown in Figure 3, in box body (1), be provided with circuit printing plate, electronic component welds thereon.The box body front panel is provided with power switch K
1, charging indicator light Ne
1, the discharge pilot lamp is Ne
2, discharge control switch K
2, and instrument operating switch K
3
Narrate the course of work of the present utility model in conjunction with Fig. 2: the high-voltage output end of test instrument is with two leads and thunder and lightning counter electrode connect in parallel, and after input power supply E connected, oscillator produced stronger positive feedback vibration, through the transformer winding L of boosting
3Boost and rectifies after to capacitor C charging, when capacitor voltage at both ends is elevated to the starting voltage of neon lamp in the charging indication, neon lamp discharge conducting.Meanwhile, triode BG in the on-off circuit
3, BG
2Conducting, triode BG
1Base potential drops to below 0.2 volt, BG
1End, vibration stops.The oscillatory circuit electric current will drop to about 2 milliamperes.This moment, circuit entered automatic constant capacitor voltage at both ends process.Connect instrument operating switch K
3, capacitor can be to the discharge of thunder and lightning counter, and whether the test counter is counted.When the neon lamp both end voltage was lower than starting voltage, neon lamp disconnected, triode BG
3, BG
2End, oscillatory circuit is worked again, to capacitor C charging, when off-test or replacing battery, by K switch
2The electric charge of capacitor can be bled off.
Claims (4)
1, a kind of thunder and lightning counter test instrument comprises self-excited oscillator, capacitor charge and discharge loop, with capacitor C and the charging indication that connects and input power supply E and power switch K
1, it is characterized in that self-excited oscillator is the transformer feedback formula LC oscillator of forming with transistor, the transformer secondary output winding L of boosting in the oscillator
3Output terminal be connected with capacitor C through rectifier cell, constitute the charge circuit of capacitor.
2, thunder and lightning counter test instrument according to claim 1 is characterized in that charging indication is by neon lamp Ne
2With current-limiting resistance R
2Constitute.
3, according to claim 1,2 described thunder and lightning counter test instruments, but it is characterized in that also comprising the transistor open pipe circuit of constant capacitance device both end voltage, the input end of transistor switching circuit links to each other with an end of charging indication, output terminal then with oscillator triode BG
1Base stage link to each other.
4, thunder and lightning counter test instrument according to claim 1 is characterized in that can and being connected to by resistance R on the capacitor discharge loop
3, R
4Neon lamp Ne
2And K switch
2The discharge circuit that constitutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90208236 CN2066992U (en) | 1990-06-04 | 1990-06-04 | Test instrument for thunder and lighting counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90208236 CN2066992U (en) | 1990-06-04 | 1990-06-04 | Test instrument for thunder and lighting counter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2066992U true CN2066992U (en) | 1990-12-05 |
Family
ID=4888521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90208236 Withdrawn CN2066992U (en) | 1990-06-04 | 1990-06-04 | Test instrument for thunder and lighting counter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2066992U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104237828A (en) * | 2014-09-18 | 2014-12-24 | 国家电网公司 | Universal discharge counter calibration instrument and calibration method thereof |
| CN105026941A (en) * | 2013-03-08 | 2015-11-04 | 欧司朗光电半导体有限公司 | Method and device for measuring and optimising an optoelectronic component |
| CN114002635A (en) * | 2021-11-15 | 2022-02-01 | 广东电网有限责任公司江门供电局 | Supplementary detection device of arrester counter |
-
1990
- 1990-06-04 CN CN 90208236 patent/CN2066992U/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105026941A (en) * | 2013-03-08 | 2015-11-04 | 欧司朗光电半导体有限公司 | Method and device for measuring and optimising an optoelectronic component |
| US10132855B2 (en) | 2013-03-08 | 2018-11-20 | Osram Opto Semiconductors Gmbh | Method and device for measuring and optimizing an optoelectronic component |
| CN105026941B (en) * | 2013-03-08 | 2019-01-18 | 欧司朗光电半导体有限公司 | Method and apparatus for measuring and optimizing photoelectron subassembly |
| CN104237828A (en) * | 2014-09-18 | 2014-12-24 | 国家电网公司 | Universal discharge counter calibration instrument and calibration method thereof |
| CN114002635A (en) * | 2021-11-15 | 2022-02-01 | 广东电网有限责任公司江门供电局 | Supplementary detection device of arrester counter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |