CN202256469U - Equipotential high-voltage charge indicator - Google Patents
Equipotential high-voltage charge indicator Download PDFInfo
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- CN202256469U CN202256469U CN2011203917993U CN201120391799U CN202256469U CN 202256469 U CN202256469 U CN 202256469U CN 2011203917993 U CN2011203917993 U CN 2011203917993U CN 201120391799 U CN201120391799 U CN 201120391799U CN 202256469 U CN202256469 U CN 202256469U
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- triode
- rectifier
- voltage
- potential indicator
- equipotential
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Abstract
The utility model discloses an equipotential high-voltage charge indicator, which comprises a shell and an internal circuit structure disposed in the shell. The internal circuit structure comprises an induced voltage receiver, a rectifier, a charging and discharging device, a trigger and a flash assembly which are connected sequentially. The induced voltage receiver comprises a first induction plate connected with one input end of the rectifier and a second induction plate connected with the other input end of the rectifier, and both ends of the charging and discharging device are in one-to-one correspondence connection with two output ends of the rectifier. The trigger comprises a first triode, a second triode, a first resistor, a second resistor and a trigger diode. By adopting the structure, the equipotential high-voltage charge indicator is simple in entire structure and easy to achieve. In addition, when the equipotential high-voltage charge indicator is used for detecting electrification conditions of high-voltage power transmission and distribution facilities, flashing brightness of the flash assembly is convenient to distinguish when the high-voltage power transmission and distribution facilities is electrified, and therefore hidden safety dangers are removed.
Description
Technical field
The utility model relates to a kind of device whether high-tension apparatus has high-tension electricity that detects, and specifically is the equipotential high-voltage potential indicator.
Background technology
Along with development and national economy; Electricity needs also constantly increases; The application of high-tension apparatus in the generating of electric system, distribution, power transmission system more and more widely; For fear of personal injury that maloperation caused and the device damage of operating personnel under charged situation, the configuration potential indicator seems still for necessary on high pressure power transmission and distribution facility.Potential indicator is a kind of being directly installed on the high pressure power transmission and distribution facility; It can intuitively demonstrate the indicative safety feature whether high pressure power transmission and distribution facility has working voltage; When high pressure power transmission and distribution facility has working voltage; The potential indicator display window flashes, thereby caution people high pressure power transmission and distribution facility is charged, does not then have indication when not having electricity.At present whether high-voltage potential indicator generally adopts and obtains inductive energy from high pressure power transmission and distribution facility and indicate high pressure power transmission and distribution facility charged, and when high pressure power transmission and distribution facility had electricity, high-voltage potential indicator just had induced voltage output and acts on flash component; Whether glimmer through flash component and to indicate high pressure power transmission and distribution facility whether charged; Yet, acting on the electric current of flash component when low, flash component flicker brightness is low; Be not easy to cause people's attention, just there is bigger potential safety hazard in this.
The utility model content
The purpose of the utility model is to overcome the deficiency of prior art, and a kind of equipotential high-voltage potential indicator that can guarantee that flash component flicker brightness is convenient to discern is provided.
The purpose of the utility model mainly realizes through following technical scheme: the equipotential high-voltage potential indicator; Comprise shell and internal circuit configuration in the enclosure be set that said internal circuit configuration comprises the induced voltage receiver, the rectifier that connect successively, charges and discharge electrical equipment, trigger and flash component; Said rectifier is provided with two input ends and two output terminals; Said induced voltage receiver comprises first induction pole plate that is connected with input end of rectifier and the second induction pole plate that is connected with another input end of rectifier, and said two output terminals that charge and discharge electrical equipment two ends and rectifier connect one to one; Said trigger comprises first triode, second triode, first resistance, second resistance and diac; The base stage of said first triode and emitter are connected to the two ends of first resistance; The base stage of first triode is connected with the collector of second triode; The collector of first triode is connected with the base stage of second triode; The two ends of second resistance are connected with the base stage of second triode and the positive pole of diac respectively, and the negative pole of diac is connected with the second induction pole plate, and the emitter of said first triode is connected with an output terminal of rectifier; Said flash component one end is connected with the emitter of second triode, and another output terminal that is connected the output terminal of first transistor emitter in two output terminals of its other end and rectifier relatively connects.
Be connected with transient voltage between two input ends of said rectifier and suppress diode.It is a kind of new product that on stabilivolt technology basis, grows up that transient voltage suppresses diode; When the high energy impact events of moment is stood at transient voltage inhibition diode two ends; It can make impedance reduce suddenly with high speed; The high impedance of its two interpolar is become Low ESR, and during the big electric current of instantaneous absorption, it is in reverse avalanche breakdown state; When reverse surge took place, its same conducting of similar forward bias diode also absorbed surge energy, thereby guaranteed that other circuit component of the utility model receives the transient state high energy impact events and damages.
The said electrical equipment that charges and discharge is first electric capacity, and the two ends of said first electric capacity are connected with two output terminals of rectifier respectively.
Said rectifier is a bridge rectifier circuit.
Said flash component comprises the stabilivolt of light emitting diode and reversal connection, and light emitting diode is parallelly connected with stabilivolt.The circuit that the stabilivolt of light emitting diode and reversal connection forms mutual reversal connection, clamps down on has each other been guaranteed the work safety of light emitting diode.
Said first triode is the PNP triode, and said second triode is the NPN triode.
The utility model compared with prior art has the following advantages and beneficial effect: the utility model is provided with and charges and discharge electrical equipment and trigger; Can preestablish trigger; Thereby just conducting when making electric current through trigger output reach the flicker brightness demand of flash component, this has just guaranteed that flash component flicker brightness is convenient to identification; Trigger carries out energy supply by charging and discharging electrical equipment, when high pressure power transmission and distribution facility is charged, charges and discharge discharging and recharging that electrical equipment continues, and this just guarantees the flicker that flash component can continue, thereby has eliminated potential safety hazard.
Description of drawings
Fig. 1 is the utility model embodiment circuit theory diagrams.
The pairing name of Reference numeral is called in the accompanying drawing: 1-the first induction pole plate, 2-the second induction pole plate, 3-rectifier; D1-transient voltage suppresses diode, D2-diac, R1-first resistance; R2-second resistance, C1-first electric capacity, Q1-first triode; Q2-second triode, DW1-stabilivolt, LED-light emitting diode.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is done further to specify, but the embodiment of the utility model is not limited thereto.
Embodiment:
Be illustrated in figure 1 as the circuit theory diagrams of present embodiment; The equipotential high-voltage potential indicator; Comprise shell and internal circuit configuration in the enclosure be set that internal circuit configuration comprises the induced voltage receiver, the rectifier 3 that connect successively, charges and discharge electrical equipment, trigger and flash component.Rectifier 3 is a bridge rectifier circuit; It comprises two input ends and two output terminals; Be connected with transient voltage between two input ends of rectifier 3 and suppress diode D1, the induced voltage receiver comprises that the first induction pole plate 1 and 3 one input ends of the second induction pole plate, 2, the first induction pole plates 1 and rectifier are connected; The second induction pole plate 2 is connected with another input end of rectifier 3; Two output terminals that charge and discharge electrical equipment two ends and rectifier 3 connect one to one, and preferably first capacitor C 1 are set to charge and discharge electrical equipment in the present embodiment, and the two ends of first capacitor C 1 are connected with two output terminals of rectifier 3 respectively.Flash component comprises the stabilivolt DW1 of LED and reversal connection, and LED is parallelly connected with stabilivolt DW1.
Trigger comprises the first triode Q1, the second triode Q2, first resistance R 1, second resistance R 2 and diac D2; The first triode Q1 is the PNP triode; The second triode Q2 is the NPN triode; The base stage of the first triode Q1 and emitter are connected to the two ends of first resistance R 1; The base stage of the first triode Q1 is connected with the collector of the second triode Q2, and the collector of the first triode Q1 is connected with the base stage of the second triode Q2, and the two ends of second resistance R 2 are connected with the base stage of the second triode Q2 and the positive pole of diac D2 respectively; The negative pole of diac D2 is connected with the second induction pole plate 2; The emitter of the first triode Q1 is connected with an output terminal of rectifier 3, and flash component one end is connected with the emitter of the second triode Q2, and another output terminal that is connected the output terminal of the first triode Q1 emitter in 3 two output terminals of its other end and rectifier relatively connects.
The principle of work of equipotential high-voltage potential indicator: utilize the high voltage induction principle; Potential indicator directly is attached on the high pressure power transmission and distribution facility receives induced voltage, induced voltage is responded to pole plate 2 through the first induction pole plate 1 and second and is delivered to rectifier 3 and carry out rectification, and the voltage after the rectification charges to first capacitor C 1; After being charged to certain voltage; Offer the first triode Q1 and the second triode Q2 as WV, the negative half period that the PN junction of the base stage of the second triode Q2 through second resistance R 2 and diac D2 inserts the second induction pole plate, 2, the second induction pole plates, 2 signals is through after the PN junction rectification of diac D2; Be added to the base stage of the second triode Q2; Trigger the first triode Q1 and the second triode Q2 conducting, the first triode Q1 and the second triode Q2 are in interlocking state, and the conducting of the second triode Q2 just makes that the emitter driven for emitting lights diode (LED) of the second triode Q2 is luminous; Behind the voltage above intact first capacitor C 1 of the luminous post consumption of LED; The first triode Q1 and the second triode Q2 end, and first capacitor C 1 gets into charging process again, when high pressure power transmission and distribution facility is charged; First capacitor C 1 is carried out round-robin and is discharged and recharged, thereby has guaranteed the flicker that LED continues.
As stated, then can well realize the utility model.
Claims (6)
1. equipotential high-voltage potential indicator is characterized in that: comprise shell and internal circuit configuration in the enclosure is set that said internal circuit configuration comprises the induced voltage receiver, the rectifier (3) that connect successively, charges and discharge electrical equipment, trigger and flash component; Said rectifier (3) is provided with two input ends and two output terminals; Said induced voltage receiver comprises first induction pole plate (1) that is connected with (3) input ends of rectifier and the second induction pole plate (2) that is connected with another input end of rectifier (3), and said two output terminals that charge and discharge electrical equipment two ends and rectifier (3) connect one to one; Said trigger comprises first triode (Q1), second triode (Q2), first resistance (R1), second resistance (R2) and diac (D2); The base stage of said first triode (Q1) and emitter are connected to the two ends of first resistance (R1); The base stage of first triode (Q1) is connected with the collector of second triode (Q2); The collector of first triode (Q1) is connected with the base stage of second triode (Q2); The two ends of second resistance (R2) are connected with the base stage of second triode (Q2) and the positive pole of diac (D2) respectively; The negative pole of diac (D2) is connected with the second induction pole plate (2); The emitter of said first triode (Q1) is connected with an output terminal of rectifier (3), and said flash component one end is connected with the emitter of second triode (Q2), and another output terminal that is connected the output terminal of first triode (Q1) emitter in (3) two output terminals of its other end and rectifier relatively connects.
2. equipotential high-voltage potential indicator according to claim 1 is characterized in that: be connected with transient voltage between two input ends of said rectifier (3) and suppress diode (D1).
3. equipotential high-voltage potential indicator according to claim 1 is characterized in that: the said electrical equipment that charges and discharge is first electric capacity (C1), and the two ends of said first electric capacity (C1) are connected with two output terminals of rectifier (3) respectively.
4. according to described any equipotential high-voltage potential indicator of claim 1～3, it is characterized in that: said rectifier (3) is a bridge rectifier circuit.
5. equipotential high-voltage potential indicator according to claim 1 is characterized in that: said flash component comprises the stabilivolt (DW1) of light emitting diode (LED) and reversal connection, and light emitting diode (LED) is parallelly connected with stabilivolt (DW1).
6. equipotential high-voltage potential indicator according to claim 1 is characterized in that: said first triode (Q1) is the PNP triode, and said second triode (Q2) is the NPN triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203917993U CN202256469U (en) | 2011-10-15 | 2011-10-15 | Equipotential high-voltage charge indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203917993U CN202256469U (en) | 2011-10-15 | 2011-10-15 | Equipotential high-voltage charge indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202256469U true CN202256469U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203917993U Expired - Fee Related CN202256469U (en) | 2011-10-15 | 2011-10-15 | Equipotential high-voltage charge indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202256469U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061818A (en) * | 2017-12-15 | 2018-05-22 | 云南电网有限责任公司曲靖供电局 | A kind of virtual potential discriminating gear |
| CN109581035A (en) * | 2017-09-29 | 2019-04-05 | 施耐德电器工业公司 | It is used to indicate the system in high voltage network there are voltage |
-
2011
- 2011-10-15 CN CN2011203917993U patent/CN202256469U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581035A (en) * | 2017-09-29 | 2019-04-05 | 施耐德电器工业公司 | It is used to indicate the system in high voltage network there are voltage |
| CN109581035B (en) * | 2017-09-29 | 2022-07-22 | 施耐德电器工业公司 | System for indicating the presence of a voltage in a high voltage network |
| CN108061818A (en) * | 2017-12-15 | 2018-05-22 | 云南电网有限责任公司曲靖供电局 | A kind of virtual potential discriminating gear |
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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: 20120530 Termination date: 20121015 |