CN202393819U - Novel AC high-low voltage electroscope - Google Patents
Novel AC high-low voltage electroscope Download PDFInfo
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- CN202393819U CN202393819U CN2011205080983U CN201120508098U CN202393819U CN 202393819 U CN202393819 U CN 202393819U CN 2011205080983 U CN2011205080983 U CN 2011205080983U CN 201120508098 U CN201120508098 U CN 201120508098U CN 202393819 U CN202393819 U CN 202393819U
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Abstract
The utility model discloses a novel AC (Alternating Current) high-low voltage electroscope, consisting of a probe, a pre-amplification circuit, a threshold circuit, an oscillation circuit, an amplification circuit, an acousto-optic display circuit, a control circuit, a voltage comparison circuit, and an electric quantity display circuit; wherein the probe is provided with a first electrode and a second electrode, the first electrode is connected with the second electrode through a conductor, a current flows from the second electrode to the first electrode; the first electrode is connected with the pre-amplification circuit, the pre-amplification circuit is connected with the threshold circuit, the threshold circuit is respectively connected with the oscillation circuit and the control circuit; the oscillation circuit, the amplification circuit, and the acousto-optic display circuit are connected in order; and the control circuit, the voltage comparison circuit, and the electric quantity display circuit are connected in order. The novel AC high-low voltage electroscope of the utility model has the advantages of accurate and simple examination, no need for additional power-frequency high-voltage generator, small volume, and low cost.
Description
Technical field
The utility model relates to a kind of electroscopic device, is specifically related to a kind of novel interchange high and low pressure electroscope.
Background technology
Stipulate in State Grid Corporation of China's version " electric power safety working regulation " in 2009 electrical verification chapters and sections: can use results electrical equipment such as power frequency high voltage generator good in the time of can't on electric equipment is arranged, making an experiment.Now a lot of manufacturers are all producing the power frequency high voltage generator, and the standard of each manufacturer differs, and the product and the GB 740-2000 test standard of a lot of manufacturer production differ greatly; And volume is big; Price is high, does not have safety guarantee, safeguards very complicated; Cause differs greatly with standard, causes galvanoscopic erroneous judgement disconnected easily.
The utility model content
In view of this, the purpose of the utility model provides a kind of novel interchange high and low pressure electroscope, and check accurately, simply need not add the power frequency high voltage generator, and volume is little, and cost is low, is convenient to the production scene and uses.
To achieve these goals, the utility model adopts following technical scheme:
A kind of novel interchange high and low pressure electroscope wherein, is made up of probe, preceding straight amplifying circuit, door circuit, oscillatory circuit, amplifying circuit, sound and light show circuit, control circuit, voltage comparator circuit and electric weight display circuit; Said probe is provided with first electrode A and second electrode B; First electrode A connects second electrode B through electric conductor, and electric current flows to first electrode A from second electrode B, and first electrode A connects pre-amplification circuit; Pre-amplification circuit connects the door circuit; The door circuit connects oscillatory circuit and control circuit respectively, and said oscillatory circuit, amplifying circuit, sound and light show circuit connect successively, and said control circuit, voltage comparator circuit, electric weight display circuit connect successively.
Further; Said pre-amplification circuit is made up of resistance 11, resistance 12, electric capacity 31 and triode 41; Said resistance 11 1 ends connect first electrode; The other end connects the base stage of electric capacity 31 and triode 41, and the emitter of triode 41 connects door circuit and resistance 12 respectively, and the other end of resistance 12 connects electric capacity 31 and door circuit.
Further, said door circuit is made up of two Sheffer stroke gates of resistance 13, electric capacity 32 and IC integrated circuit 8.
Further, said sound and light show circuit is made up of resistance 18, light emitting diode 1 and hummer 6, and resistance 18 connects light emitting diode 1 and hummer 6 respectively, and light emitting diode 1 connects amplifying circuit and hummer 6.
Further, said electric weight display circuit is made up of resistance 20, resistance 21, resistance 22, resistance 23 and light emitting diode 2, light emitting diode 3, light emitting diode 4 and light emitting diode 5, and an end of light emitting diode 4 connects voltage comparator circuit; The other end connects resistance 21, and resistance 21 connects resistance 20, and the other end of resistance 20 connects light emitting diode 2; The other end of light emitting diode 2 connects voltage comparator circuit; Light emitting diode 3 one ends connect voltage comparator circuit, and the other end connects resistance 22, and resistance 22 connects resistance 23; Resistance 23 other ends connect light emitting diode 5, and light emitting diode 5 other ends connect voltage comparator circuit.
The beneficial effect of the utility model is: the utility model check accurately, is simply checked and need do not added the power frequency high voltage generator, and volume does not increase, and does not need special maintenance; Guaranteed the accuracy of electrical verification, reduced worker's troublesome poeration, improved work efficiency, and be a lot of funds of power industry saving; Have acousto-optic and show and electric quantity display function, easy to use.
Other advantages, target and the characteristic of the utility model will be set forth in instructions subsequently to a certain extent; And to a certain extent; Based on being conspicuous to those skilled in the art, perhaps can from the practice of the utility model, obtain instruction to investigating of hereinafter.The target of the utility model can realize through the structure that is particularly pointed out in following instructions or the accompanying drawing and obtain with other advantages.
Description of drawings
Fig. 1 is the structured flowchart of the utility model;
Fig. 2 is the circuit theory diagrams of the utility model.
Embodiment
As shown in Figure 1, the utility model is made up of probe, preceding straight amplifying circuit, door circuit, oscillatory circuit, amplifying circuit, sound and light show circuit, control circuit, voltage comparator circuit and electric weight display circuit; Probe is provided with first electrode A and second electrode B, and first electrode A is a probe A, is that to connect second electrode B through electric conductor be probe B to main probe; Pop one's head in from pair; First electrode A connects pre-amplification circuit, and pre-amplification circuit connects the door circuit, and the door circuit connects oscillatory circuit and control circuit respectively; Oscillatory circuit, amplifying circuit, sound and light show circuit connect successively, and control circuit, voltage comparator circuit, electric weight display circuit connect successively.
As shown in Figure 2; Pre-amplification circuit is made up of resistance 11, resistance 12, electric capacity 31 and triode 41; Said resistance 11 1 ends connect first electrode; The other end connects the base stage of electric capacity 31 and triode 41, and the emitter of triode 41 connects door circuit and resistance 12 respectively, and the other end of resistance 12 connects electric capacity 31 and door circuit.The door circuit is made up of two Sheffer stroke gates of resistance 13, electric capacity 32 and IC integrated circuit 8.Sound and light show circuit is made up of resistance 18, light emitting diode 1 and hummer 6, and resistance 18 connects light emitting diode 1 and hummer 6 respectively, and light emitting diode 1 connects amplifying circuit and hummer 6.Voltage comparator circuit comprises IC integrated circuit 9, voltage stabilizing diode 7, resistance 27 and resistance 28, and resistance 19, resistance 24, resistance 25, resistance 26, resistance 27 and resistance 28 are connected successively.The electric weight display circuit is made up of resistance 20, resistance 21, resistance 22, resistance 23 and light emitting diode 2, light emitting diode 3, light emitting diode 4 and light emitting diode 5, and an end of light emitting diode 4 connects IC integrated circuit 9, and the other end connects resistance 21; Resistance 21 connects resistance 20; The other end of resistance 20 connects light emitting diode 2, and the other end of light emitting diode 2 connects IC integrated circuit 9, and light emitting diode 3 one ends connect IC integrated circuit 9; The other end connects resistance 22; Resistance 22 connects resistance 23, and resistance 23 other ends connect light emitting diode 5, and light emitting diode 5 other ends connect IC integrated circuit 9.Oscillatory circuit comprises electric capacity 33 and resistance 16.Amplifying circuit is made up of triode 42.
The outer check system of the utility model comprises interchange check, direct current check and probe A, B continuity check.During the input AC check, when low-voltage AC was imported A, B two probes, electric current flowed into prime amplifier again from probe B flow direction probe A and amplifies, and on electric capacity 32, produces voltage, and voltage is higher than the door circuit voltage, door circuit output HIGH voltage.Oscillatory circuit starting of oscillation output audio signal informs that through amplifying with the acousto-optic display mode all circuit workings that the utility model shows are normal from the probe A to the acousto-optic, the utility model can normally use.
During the check of input direct current, when low-voltage DC was imported A, B two probes, electric current flowed into pre-amplification circuit again from probe B flow direction probe A, on electric capacity 32, produces voltage, and voltage is higher than the door circuit voltage, door circuit output HIGH voltage.Oscillatory circuit starting of oscillation output audio signal informs that with the acousto-optic display mode the utility model shows that from the probe A to the acousto-optic whole circuit is in proper working order through amplifying, and the utility model can normally use.
Probe A, B continuity check connect probe A with probe B through electric conductor, and electric current flows into pre-amplification circuit again from probe B flow direction probe A and amplifies, and on electric capacity 32, produces voltage, and voltage is higher than the door circuit voltage, door circuit output HIGH voltage.Oscillatory circuit starting of oscillation output audio signal informs that through amplifying with the acousto-optic display mode all circuit workings that the utility model shows are normal from the probe A to the acousto-optic, the utility model can normally use.
In the time of check outside, voltage comparator circuit, the power supply of electric weight display circuit are given in triode 43 conductings, and the four-part form electric weight shows the utility model dump energy.Four sections indication LED are complete when bright, and the expression electric weight is sufficient, and when two of four sections indication LED were bright, the expression electric weight also had half the, and when four sections indication LED were gone out entirely, expression electric weight electric weight was used up, needs to change battery.
The utility model is when electrical verification; Main probe A contact high-tension apparatus electrified body, stray current amplifies through pre-amplification circuit, on electric capacity 32, produces voltage; When voltage is higher than the door circuit voltage; Door circuit output HIGH voltage, oscillatory circuit starting of oscillation output audio signal has high voltage through amplifying with the sound and light show circuit display device.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Other modifications that those of ordinary skills make the technical scheme of the utility model perhaps are equal to replacement; Only otherwise break away from the spirit and the scope of the utility model technical scheme, all should be encompassed in the middle of the claim scope of the utility model.
Claims (5)
1. a novel interchange high and low pressure electroscope is characterized in that: be made up of probe, preceding straight amplifying circuit, door circuit, oscillatory circuit, amplifying circuit, sound and light show circuit, control circuit, voltage comparator circuit and electric weight display circuit; Said probe is provided with first electrode and second electrode; First electrode connects second electrode through electric conductor, and to first electrode, first electrode connects pre-amplification circuit to electric current from second electrode stream; Pre-amplification circuit connects the door circuit; The door circuit connects oscillatory circuit and control circuit respectively, and said oscillatory circuit, amplifying circuit, sound and light show circuit connect successively, and said control circuit, voltage comparator circuit, electric weight display circuit connect successively.
2. novel interchange high and low pressure electroscope according to claim 1; It is characterized in that: said pre-amplification circuit is made up of resistance (11), resistance (12), electric capacity (31) and triode (41); Said resistance (11) one ends connect first electrode; The other end connects the base stage of electric capacity (31) and triode (41), and the emitter of triode (41) connects door circuit and resistance (12) respectively, and the other end of resistance (12) connects electric capacity (31) and door circuit.
3. novel interchange high and low pressure electroscope according to claim 2 is characterized in that: said door circuit is made up of two Sheffer stroke gates of resistance (13), electric capacity (32) and IC integrated circuit (8).
4. novel interchange high and low pressure electroscope according to claim 3; It is characterized in that: said sound and light show circuit is made up of resistance (18), light emitting diode (1) and loudspeaker (6); Resistance (18) connects light emitting diode (1) and loudspeaker (6) respectively, and light emitting diode (1) connects amplifying circuit and loudspeaker (6).
5. novel interchange high and low pressure electroscope according to claim 4; It is characterized in that: said electric weight display circuit is made up of resistance (20), resistance (21), resistance (22), resistance (23) and light emitting diode (2), light emitting diode (3), light emitting diode (4) and light emitting diode (5); One end of light emitting diode (4) connects voltage comparator circuit; The other end connects resistance (21), and resistance (21) connects resistance (20), and the other end of resistance (20) connects light emitting diode (2); The other end of light emitting diode (2) connects voltage comparator circuit; Light emitting diode (3) one ends connect voltage comparator circuit, and the other end connects resistance (22), and resistance (22) connects resistance (23); Resistance (23) other end connects light emitting diode (5), and light emitting diode (5) other end connects voltage comparator circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205080983U CN202393819U (en) | 2011-12-08 | 2011-12-08 | Novel AC high-low voltage electroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205080983U CN202393819U (en) | 2011-12-08 | 2011-12-08 | Novel AC high-low voltage electroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393819U true CN202393819U (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205080983U Expired - Fee Related CN202393819U (en) | 2011-12-08 | 2011-12-08 | Novel AC high-low voltage electroscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841236A (en) * | 2012-09-02 | 2012-12-26 | 国家电网公司 | Multi-voltage-stage high voltage electroscope |
| CN104409232A (en) * | 2014-12-24 | 2015-03-11 | 国家电网公司 | Electrified voice prompt insulating pull rod device applied to high-voltage switch on-off disconnecting link and application method of electrified voice prompt insulating pull rod device applied to high-voltage switch on-off disconnecting link |
-
2011
- 2011-12-08 CN CN2011205080983U patent/CN202393819U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841236A (en) * | 2012-09-02 | 2012-12-26 | 国家电网公司 | Multi-voltage-stage high voltage electroscope |
| CN104409232A (en) * | 2014-12-24 | 2015-03-11 | 国家电网公司 | Electrified voice prompt insulating pull rod device applied to high-voltage switch on-off disconnecting link and application method of electrified voice prompt insulating pull rod device applied to high-voltage switch on-off disconnecting link |
| CN104409232B (en) * | 2014-12-24 | 2016-08-24 | 国家电网公司 | Electrification voice message insulated pull rod device and using method thereof for high-voltage switch gear deciliter disconnecting link |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20131208 |