CN204595070U - High voltage display device - Google Patents
High voltage display device Download PDFInfo
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- CN204595070U CN204595070U CN201520197131.3U CN201520197131U CN204595070U CN 204595070 U CN204595070 U CN 204595070U CN 201520197131 U CN201520197131 U CN 201520197131U CN 204595070 U CN204595070 U CN 204595070U
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Abstract
A kind of high voltage display device, comprise: high pressure sensor and display circuit, described display circuit comprises full-bridge rectification module, energy-storage module, diac and light emitting module, and described energy-storage module comprises the first electric capacity, the second electric capacity, the first diode, the second diode and the 3rd diode.Display circuit of the present utility model have employed energy-storage module and diac, can improve the luminosity of light emitting module, solves the problem of existing equipment signal designation difference.
Description
Technical field
The utility model relates to high-tension electricity field of engineering technology, particularly a kind of high voltage display device.
Background technology
Due to electric power have be convenient to conversion energy form, can high concentration and infinitely divide, can be mass-produced and the characteristic such as long-distance sand transport, electric power development is become with level of application and has weighed one of important symbol of its social modernization's level height.Along with the widespread use of electric power in productive life, electric load is also increasing, the electric pressure of power transmission and distribution is also more and more higher, and electricity invisible and not audible make people to identify intuitively, and whether all kinds of power equipment is charged, and the various electric power safety accidents brought thus emerge in an endless stream.
High voltage display device can by signal transmission whether charged for electrified body on light-emitting component or audio element, display or the high-tension switch gear of locking simultaneously.Its appearance solves an electric sightless difficult problem, effectively can prevent the high pressure electric shock accidents that causes because people can not grasp equipment live situation and equipment Damage by Short Circuit accident, particularly to preventing line side live ground wiring, charged splice grafting ground banister and preventing personnel's false touch charging equipment from can play obvious warning function.According to the difference of design concept, high voltage display device can be divided into induction-type high-voltage charged display device and capacitive high voltage charged display device.Induction-type high-voltage charged display device refers to outside minimum safe distance, adopts induction mode to obtain the electric field intensity signal at three-phase probe place, is then treated to distant location electrified body voltage signal.By the judgement to electrified body voltage signal, use pilot lamp display result.Capacitive high voltage charged display device refers to that high voltage display device is connected with high-voltage charged body by high-voltage capacitance, take high-voltage capacitance as sensor.
In existing a kind of capacitive high voltage charged display device, the secondary side induced voltage of high pressure sensor is adopted to use to LED light after rectification.Because electric current is little, the brightness making LED light is very dark, indicative poor to equipment electrification in high voltage state.
Utility model content
To be solved in the utility model is the problem of existing high voltage display device to the indicative difference of equipment electrification in high voltage state.
For solving the problem, the utility model provides a kind of high voltage display device, comprise: high pressure sensor and display circuit, described display circuit comprises full-bridge rectification module, energy-storage module, diac and light emitting module, and described energy-storage module comprises the first electric capacity, the second electric capacity, the first diode, the second diode and the 3rd diode;
The first input end of described full-bridge rectification module connects the output terminal of described high pressure sensor, second input end of described full-bridge rectification module connects the zero line side of described high pressure sensor, first output terminal of described full-bridge rectification module connects one end of described first electric capacity, the described negative terminal of the 3rd diode and one end of described diac, and the second output terminal of described full-bridge rectification module connects one end of described second electric capacity, the anode of described first diode and the first end of described light emitting module;
The other end of described first electric capacity connects the negative terminal of described first diode and the anode of described second diode, the other end of described second electric capacity connects the negative terminal of described second diode and the anode of described 3rd diode, and the second end of described light emitting module connects the other end of described diac.
Optionally, described diac is unidirectional diac.
Optionally, described diac is bidirectional trigger diode.
Optionally, described light emitting module comprises light emitting diode and current-limiting resistance;
The negative terminal of described light emitting diode is the first end of described light emitting module, and the anode of described light emitting diode connects one end of described current-limiting resistance, and the other end of described current-limiting resistance is the second end of described light emitting module.
Optionally, described light emitting module also comprises voltage stabilizing diode;
The anode of described voltage stabilizing diode connects the negative terminal of described light emitting diode, and the negative terminal of described voltage stabilizing diode connects the other end of described current-limiting resistance.
Compared with prior art, the utility model has the following advantages:
Because display circuit of the present utility model have employed energy-storage module and diac, the faint measuring-signal exported by high pressure sensor is discharged, to light light emitting module after described energy-storage module energy storage.Profit in this way, can improve the luminosity of light emitting module, solves the problem of existing equipment signal designation difference.Further, described energy-storage module adopts string to fill and the mode of putting carries out energy storage, effectively can improve the efficiency that energy is collected.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of display circuit in the high voltage display device of the utility model embodiment;
Fig. 2 is the structural representation of the another kind of display circuit in the high voltage display device of the utility model embodiment.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the utility model do, but embodiment of the present utility model is not limited thereto.
Technical solutions of the utility model provide a kind of high voltage display device, and described high voltage display device comprises high pressure sensor and display circuit.Described high pressure sensor can be capacitance type sensor, and post insulator style made by capacitance type sensor, inside buries high-strength dielectric functional material underground and makes core rod type electric capacity.One end of electric capacity is connected with high voltage bus through upper flange, and the other end is connected with secondary connection end.The contour structures of sensor, according to supporting requirement, makes differing heights and various full skirt, can be supporting with all types of high-tension switch cabinet, isolating switch cabinet, grounding switch etc.The 26S Proteasome Structure and Function of described high pressure sensor is identical with prior art, does not do too much explanation at this.The utility model embodiment provides a kind of concrete structure of described display circuit, and as shown in Figure 1, described display circuit comprises full-bridge rectification module 11, energy-storage module 12, diac 13 and light emitting module 14 in structural representation.
The feeble signal that described full-bridge rectification module 11 is suitable for described high pressure sensor obtains carries out rectification, and AC signal is converted to direct current signal.Particularly, the first input end A of described full-bridge rectification module 11 connects the output terminal of described high pressure sensor, and the second input end B of described full-bridge rectification module 11 connects the zero line side of described high pressure sensor.
Described energy-storage module 12 is suitable for the charging accepting the direct current signal that described full-bridge rectification module 11 exports, to carry out stored energy.Particularly, described energy-storage module 12 comprises the first electric capacity C1, the second electric capacity C2, the first diode D1, the second diode D2 and the 3rd diode D3.One end of described first electric capacity C1 connects the first output terminal of described full-bridge rectification module 11, the described negative terminal of the 3rd diode D3 and one end of described diac 13, and the other end of described first electric capacity C1 connects the negative terminal of described first diode D1 and the anode of described second diode D2; One end of described second electric capacity C2 connects the second output terminal of described full-bridge rectification module 11, the described anode of the first diode D1 and the first end of described light emitting module 14, and the other end of described second electric capacity C2 connects the negative terminal of described second diode D2 and the anode of described 3rd diode D3.
The other end of described diac 13 connects the second end of described light emitting module 14, is suitable for carrying out conducting or cut-off under the control of described energy-storage module 12.Described diac 13 can be bidirectional trigger diode, and can be also unidirectional diac, the present embodiment be not construed as limiting this.
Described light emitting module 14 is suitable for when described diac 13 conducting luminous, stops luminous when described diac 13 ends.Particularly, described light emitting module 13 comprises light emitting diode D4 and current-limiting resistance R1.The negative terminal of described light emitting diode D4 is the first end of described light emitting module 14, and the anode of described light emitting diode D4 connects one end of described current-limiting resistance R1, and the other end of described current-limiting resistance R1 is the second end of described light emitting module 14.
Below the principle of work of the display circuit of the present embodiment is described:
When high-tension apparatus is charged, the high-tension electricity that described high pressure sensor detects 6kV ~ 35kV obtains faint AC signal, and the voltage difference namely between the output terminal of described high pressure sensor and the zero line side of described high pressure sensor is faint AC signal.Described faint AC signal is by the rectification of described full-bridge rectification module 11, and it is that described energy-storage module 12 charges that described full-bridge rectification module 11 exports direct current signal.Described energy-storage module 12 adopts string to fill and the charging modes put, and the first diode D1 described in namely during charging and described 3rd diode D3 ends, described second diode D2 conducting, charges to described first electric capacity C1 and described second electric capacity C2 simultaneously; First diode D1 described in during electric discharge and described 3rd diode D3 conducting, described second diode D2 end, and described first electric capacity C1 and described second electric capacity C2 discharges simultaneously.After the voltage of described energy-storage module 12 output exceedes the conduction threshold of described diac 13, described diac 13 enters conducting state, the electric energy that described energy-storage module 12 stores is discharged to described light emitting diode D4 by described current-limiting resistance R1, makes described light emitting diode D4 send stronger light; When the voltage drop that described energy-storage module 12 exports is below the conduction threshold of described diac 13, described diac 13 enters cut-off state, and no current flows through described light emitting diode D4, and described light emitting diode D4 stops luminous.
The display circuit that the present embodiment provides, by the discharge and recharge of described energy-storage module 12, can obtain the flash signal of high brightness on described light emitting diode D4, is easy to identify; If high-tension apparatus is not charged, then described high pressure sensor does not have measuring-signal to export, and described light emitting diode D4 is in non-light emitting state all the time, realizes the instruction of high-tension apparatus electriferous state with this.It should be noted that, the described energy-storage module 12 of the present embodiment adopts string to fill and the mode of putting carries out energy storage, effectively can improve the efficiency that energy is collected.
The utility model embodiment also provides the another kind of concrete structure of described display circuit, and as shown in Figure 2, described display circuit comprises full-bridge rectification module 21, energy-storage module 22, diac 23 and light emitting module 24 to structural representation.Compared with the embodiment that the present embodiment is corresponding with Fig. 1, difference is: described light emitting module 24, except comprising current-limiting resistance R1 and light emitting diode D4, also comprises voltage stabilizing diode D5.The anode of described voltage stabilizing diode D5 connects the negative terminal of described light emitting diode D4, and the negative terminal of described voltage stabilizing diode D5 connects the other end of described current-limiting resistance R1.
The display circuit structure that the present embodiment provides, by arranging described voltage stabilizing diode D5 in described light emitting module 24, damaging described light emitting diode D4 when can prevent described energy-storage module 22 from occurring higher voltage, improve the reliability of described display circuit.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection domain of the present utility model.
Claims (5)
1. a high voltage display device, comprise high pressure sensor and display circuit, it is characterized in that, described display circuit comprises full-bridge rectification module, energy-storage module, diac and light emitting module, and described energy-storage module comprises the first electric capacity, the second electric capacity, the first diode, the second diode and the 3rd diode;
The first input end of described full-bridge rectification module connects the output terminal of described high pressure sensor, second input end of described full-bridge rectification module connects the zero line side of described high pressure sensor, first output terminal of described full-bridge rectification module connects one end of described first electric capacity, the described negative terminal of the 3rd diode and one end of described diac, and the second output terminal of described full-bridge rectification module connects one end of described second electric capacity, the anode of described first diode and the first end of described light emitting module;
The other end of described first electric capacity connects the negative terminal of described first diode and the anode of described second diode, the other end of described second electric capacity connects the negative terminal of described second diode and the anode of described 3rd diode, and the second end of described light emitting module connects the other end of described diac.
2. high voltage display device according to claim 1, is characterized in that, described diac is unidirectional diac.
3. high voltage display device according to claim 1, is characterized in that, described diac is bidirectional trigger diode.
4. high voltage display device according to claim 1, is characterized in that, described light emitting module comprises light emitting diode and current-limiting resistance;
The negative terminal of described light emitting diode is the first end of described light emitting module, and the anode of described light emitting diode connects one end of described current-limiting resistance, and the other end of described current-limiting resistance is the second end of described light emitting module.
5. high voltage display device according to claim 4, is characterized in that, described light emitting module also comprises voltage stabilizing diode;
The anode of described voltage stabilizing diode connects the negative terminal of described light emitting diode, and the negative terminal of described voltage stabilizing diode connects the other end of described current-limiting resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520197131.3U CN204595070U (en) | 2015-04-03 | 2015-04-03 | High voltage display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520197131.3U CN204595070U (en) | 2015-04-03 | 2015-04-03 | High voltage display device |
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| Publication Number | Publication Date |
|---|---|
| CN204595070U true CN204595070U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520197131.3U Expired - Fee Related CN204595070U (en) | 2015-04-03 | 2015-04-03 | High voltage display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749417A (en) * | 2015-04-03 | 2015-07-01 | 四川蓝讯宝迩电子科技有限公司 | High-voltage live display system for enhancing prompting effect |
-
2015
- 2015-04-03 CN CN201520197131.3U patent/CN204595070U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749417A (en) * | 2015-04-03 | 2015-07-01 | 四川蓝讯宝迩电子科技有限公司 | High-voltage live display system for enhancing prompting effect |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20170403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |