CN202661539U - High-voltage live display device - Google Patents
High-voltage live display device Download PDFInfo
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- CN202661539U CN202661539U CN 201220318313 CN201220318313U CN202661539U CN 202661539 U CN202661539 U CN 202661539U CN 201220318313 CN201220318313 CN 201220318313 CN 201220318313 U CN201220318313 U CN 201220318313U CN 202661539 U CN202661539 U CN 202661539U
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Abstract
The utility model discloses a high-voltage live display device which comprises a shell and an internal circuit structure arranged in the shell, wherein the internal circuit structure comprises a high-impedance attenuator, a magnetic core mutual inductor, a rectifier, a charging and discharging oscillator and a flash component which are connected with one another in sequence. The magnetic core mutual inductor is provided with a primary side connected with the high-impedance attenuator and an auxiliary side connected with the rectifier; and the number of coil turns of the primary side of the magnetic core mutual inductor is more than that of coil turns of the auxiliary side. The flash component comprises a second resistor, a third capacitor, a light-emitting diode, a liquid crystal display screen and a reversedly connected third voltage-regulator tube, wherein the second resistor is connected with the third capacitor in series after being connected with the liquid crystal display screen in parallel to form a parallel and serial branch; and both the light-emitting diode and the reversedly connected third voltage-regulator tube are connected with the parallel and serial branch formed by the second resistor, the third capacitor and the liquid crystal display screen in parallel. The high-voltage live display device has the beneficial effect that with the adoption of the structure, when the intensity of a magnetic field generated by a high-voltage power transmission and distribution facility is weak, the current demands of the flash component can be ensured, thereby enhancing the flashing intensity and eliminating the potential safety hazards.
Description
Technical field
The utility model relates to a kind of high-tension apparatus that detects whether with the device of high-tension electricity, specifically high voltage display device.
Background technology
Development along with national economy, electricity needs also constantly increases, the application of high-tension apparatus in the generating of electric system, distribution, power transmission system is more and more extensive, personal injury and device damage for fear of the maloperation of operating personnel in charged situation causes seem still for necessary at high pressure power transmission and distribution facility configuration charged display device.Charged display device is a kind of being directly installed on the high pressure power transmission and distribution facility, it can intuitively demonstrate high pressure power transmission and distribution facility whether with the indicative safety feature of working voltage, when high pressure power transmission and distribution facility during with working voltage, the electrification display display window flashes, thereby caution people high pressure power transmission and distribution facility is charged, during without electricity then without indicating.More existing high voltage display devices produce electromotive force by the alternating magnetic field that high pressure power transmission and distribution facility produces, when the alternating magnetic field weak strength that high pressure power transmission and distribution facility produces, the induction electromotive force and the induction current that produce in the high voltage display device are low, a little less than the scintillation intensity of the flash component of high voltage display device, must in very little angular range, could clearly see the cue of flash component, this easily misleads to the people, thereby has larger potential safety hazard.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of high voltage display device that can guarantee flash component electric current demand when the alternating magnetic field weak strength that high pressure power transmission and distribution facility produces is provided.
The purpose of this utility model is achieved through the following technical solutions: high voltage display device, comprise shell and in the enclosure internal circuit configuration is set, described internal circuit configuration comprises the high impedance attenuator, magnetic core mutual inductor, the rectifier that connect successively, discharges and recharges oscillator and flash component; Described magnetic core mutual inductor has the former limit that is connected with the high impedance attenuator and the secondary that is connected with rectifier, and former limit and the secondary of magnetic core mutual inductor are equipped with coil, and the coil turn on the former limit of magnetic core mutual inductor is greater than the coil turn of secondary; Described flash component comprises the 3rd stabilivolt of the second resistance, the 3rd electric capacity, light emitting diode, LCDs and reversal connection, connect and compose and series arm with the 3rd capacitances in series after the second resistance and LCDs are connected in parallel, the 3rd stabilivolt of described light emitting diode and reversal connection all with the second resistance, the 3rd electric capacity and LCDs formation also series arm is in parallel.
The coil turn of the utility model by the former limit of magnetic core mutual inductor is set to the coil turn more than secondary, principle of work according to mutual inductor, the electric current on the more former limit of electric current of magnetic core mutual inductor secondary is amplified, and this is the relation that exists in the ceiling voltage of secondary coil output certainly.
Described rectifier comprises rectification unit, the first electric capacity, the first commutation diode and the first resistance, described the first resistance, the first commutation diode, discharge and recharge oscillator and flash component and connect after with the first Capacitance parallel connection, two output terminals of described rectification unit connect respectively the two ends of the first electric capacity, and the secondary of described magnetic core mutual inductor is connected between two input ends of rectification unit.
Described high impedance attenuator comprises the electrification in high voltage primary equipment, the first induction pole plate, the second induction pole plate, the first stabilivolt and the second stabilivolt, described the second induction pole plate is connected with the former limit of magnetic core mutual inductor, the series arm that consists of with magnetic core mutual inductor and the second induction pole plate after described the first stabilivolt and the second stabilivolt differential concatenation is in parallel, the other end of the circuit that is connected with the electrification in high voltage primary equipment is connected on the first stabilivolt and the circuit of the second induction between the pole plate, and the other end of the circuit that is connected with the first induction pole plate is connected on the circuit between the second stabilivolt and the former limit of magnetic core mutual inductor.
Described rectification unit is bridge rectifier circuit.
Discharge and recharge the first embodiment of oscillator as the utility model, the described oscillator that discharges and recharges comprises the second electric capacity and the first Diac, and described the first Diac is connected in series afterwards with flash component and is connected with the second Capacitance parallel connection.
Discharge and recharge the second embodiment of oscillator as the utility model, the described oscillator that discharges and recharges comprises the second electric capacity and voltage-type trigger circuit, described voltage-type trigger circuit are connected with the second Capacitance parallel connection after being connected in series with flash component, described voltage-type trigger circuit comprise the second diac of the 4th electric capacity, the first one-way SCR and reversal connection, described the 4th electric capacity is connected in parallel on the input pin and control pin of the first one-way SCR with after the second diac of reversal connection is in parallel again.The oscillator that discharges and recharges of the present utility model adopts this kind embodiment, discharge and recharge by the second electric capacity, and the forward voltage of the second diac and the first one-way SCR limited, make the conducting when the electric current by flash component reaches the brightness demand of flash component of the first one-way SCR, can be intuitively after flash component is lighted, show clearly; The voltage that acts on the first one-way SCR and the second diac is provided by the second capacitor discharge, and the continual charge and discharge cycles of carrying out of the second electric capacity, flash component can continue flicker, thereby has eliminated potential safety hazard; During the second diac reverse-conducting, the 4th electric capacity can charge, and not during conducting, the 4th electric capacity can be powered for the control pin of the first one-way SCR, can reach efficient utilization of resource at the second diac.
Discharge and recharge the third embodiment of oscillator as the utility model, the described oscillator that discharges and recharges comprises the 5th electric capacity, the 6th electric capacity, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the 7th diode and the second Diac, described the second Diac and flash component are connected in series, described the 5th electric capacity, the series arm that the 5th diode and the 6th electric capacity are connected in series rear formation successively is connected with rectifier, the positive pole of described the 3rd diode and the 4th diode is connected with the positive pole of the 5th electric capacity with the 6th electric capacity respectively, the negative pole of the 3rd diode and the 4th diode all is connected with the input end of the second Diac, the negative pole of described the 6th diode and the 7th diode is connected with the negative pole of the 5th electric capacity with the 6th electric capacity respectively, and the anodal of described the 6th diode and the 7th diode all is connected with the output terminal of flash component.The oscillator that discharges and recharges of the present utility model adopts this kind embodiment, the 5th diode has cut off the connection between the both positive and negative polarity of the 5th electric capacity and the 6th electric capacity, make the 5th electric capacity and the 6th electric capacity when charging, keep the characteristic of serial connection charge, and the discharge that can not be cascaded of when discharge, by the 3rd diode, the second Diac, flash component, the 6th diode and the 5th electric capacity consist of a discharge loop, the 4th diode, the second Diac, flash component, the 7th diode and the 6th electric capacity consist of again a discharge loop, the 5th electric capacity and the 6th Capacitance parallel connection are discharged together, so, amplified the induction current that the utility model produces, thereby strengthened the scintillation intensity of light emitting diode in the flash component, can eliminate safe hidden trouble.
Discharge and recharge the 4th kind of embodiment of oscillator as the utility model, the described oscillator that discharges and recharges comprises the second electric capacity and voltage-type trigger circuit, described voltage-type trigger circuit are connected with the second Capacitance parallel connection after being connected in series with flash component, described voltage-type trigger circuit comprise the 4th stabilivolt of the 3rd resistance, the second one-way SCR and reversal connection, described the 3rd resistance is connected in parallel on the input pin and control pin of the second one-way SCR with after the 4th stabilivolt of reversal connection is connected again.The oscillator that discharges and recharges of the present utility model adopts this kind embodiment, discharge and recharge by the second electric capacity, limit by the forward voltage to the 4th stabilivolt and the second one-way SCR, make the conducting when the electric current by flash component reaches the brightness demand of flash component of the second one-way SCR, can be intuitively after flash component is lighted, show clearly; The voltage that acts on the second one-way SCR and the 4th stabilivolt is provided by the second capacitor discharge, and the continual charge and discharge cycles of carrying out of the second electric capacity, flash component can continue flicker, can eliminate safe hidden trouble.
Working power of the present utility model is that the mode by electromagnetic induction is coupled and obtains, according to Faraday's electromagnetic induction law, employing is similar to the structure of transformer, the electric energy (power) that the electrification in high voltage primary equipment is drawn between the secondary winding that the second induction pole plate and secondary the first induction pole plate consist of is coupled, carry out the power transmission, conductor circuit is similar in closed-loop path or coil and produces induction electromotive force, as long as in the magnetic field of alternation, will produce induction electromotive force and induction current.
Compared with prior art, the utlity model has following beneficial effect: (1) internal circuit configuration of the present utility model comprises successively the high impedance attenuator, magnetic core mutual inductor, the rectifier that connect, discharges and recharges oscillator and flash component, wherein, the coil turn on the former limit of magnetic core mutual inductor is greater than the coil turn of secondary, the utility model can amplify the induction current that produces, thereby strengthened the scintillation intensity of light emitting diode in the flash component, eliminated potential safety hazard.
(2) flash component of the present utility model comprises the 3rd stabilivolt of the second resistance, the 3rd electric capacity, light emitting diode, LCDs and reversal connection, connect and compose and series arm with the 3rd capacitances in series after the second resistance and LCDs are connected in parallel, the 3rd stabilivolt of light emitting diode and reversal connection all with the 3rd resistance, the 3rd electric capacity and LCDs formation also series arm is in parallel.The utility model shows charged signal simultaneously by light emitting diode and LCDs, has the effect of dual demonstration, and scintillation intensity is strong, and being convenient to people can see charged signal intuitively, easy to identify; The circuit that the 3rd stabilivolt of LCDs of the present utility model and light emitting diode and reversal connection forms mutual reversal connection, clamps down on each other, thus can guarantee the work safety of light emitting diode.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model embodiment one;
Fig. 2 is the circuit theory diagrams of the utility model embodiment two;
Fig. 3 is the circuit theory diagrams of the utility model embodiment three;
Fig. 4 is the circuit theory diagrams of the utility model embodiment four.
The corresponding name of Reference numeral is called in the accompanying drawing: 1-electrification in high voltage primary equipment, the 2-the first induction pole plate, the 3-the second induction pole plate, 4-rectification unit, DW1-first stabilivolt, DW2-second stabilivolt, DW3-the 3rd stabilivolt, DW4-the 3rd stabilivolt, C1-first electric capacity, C2-second electric capacity, C3-the 3rd electric capacity, C4-the 4th electric capacity, C5-the 5th electric capacity, C6-the 6th electric capacity, R1-first resistance, R2-second resistance, R3-the 3rd resistance, LED-light emitting diode, LCD-LCDs, D1-first commutation diode, D2-second diac, D3-the 3rd diode, D4-the 4th diode, D5-the 5th diode, D6-the 6th diode, D7-the 7th diode, DB1-first Diac, DB2-second Diac, SCR1-first one-way SCR, SCR2-second one-way SCR.
Embodiment
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing, but embodiment of the present utility model is not limited to this.
Embodiment:
As shown in Figure 1, high voltage display device comprises shell and in the enclosure internal circuit configuration is set, and wherein, internal circuit configuration comprises the high impedance attenuator, magnetic core mutual inductor, the rectifier that connect successively, discharges and recharges oscillator and flash component.The magnetic core mutual inductor has the former limit that is connected with the high impedance attenuator and the secondary that is connected with rectifier, and former limit and the secondary of magnetic core mutual inductor are equipped with coil, and the coil turn on the former limit of magnetic core mutual inductor is greater than the coil turn of secondary.Rectifier comprises rectification unit 4, the first capacitor C 1, the first commutation diode D1 and the first resistance R 1, wherein, the rectification unit 4 preferred bridge rectifier circuits that adopt, the first resistance R 1, the first commutation diode D1, in parallel with the first capacitor C 1 after discharging and recharging oscillator and flash component and connecting, the secondary that two output terminals of rectification unit 4 connect respectively the two ends magnetic core mutual inductor of the first capacitor C 1 is connected between two input ends of rectification unit 4.The high impedance attenuator comprises electrification in high voltage primary equipment 1, the first induction pole plate 2, the second induction pole plate 3, the first stabilivolt DW1 and the second stabilivolt DW2, the second induction pole plate 3 is connected with the former limit of magnetic core mutual inductor, the series arm that consists of with magnetic core mutual inductor and the second induction pole plate 3 after the first stabilivolt DW1 and the second stabilivolt DW2 differential concatenation is in parallel, the other end of the circuit that is connected with electrification in high voltage primary equipment 1 is connected on the first stabilivolt DW1 and the circuit of the second induction between the pole plate 3, and the other end of the circuit that is connected with the first induction pole plate 2 is connected on the circuit between the second stabilivolt DW2 and the former limit of magnetic core mutual inductor.Flash component comprises the 3rd stabilivolt DW3 of the second resistance R 2, the 3rd capacitor C 3, LED, LCDs LCD and reversal connection, be connected in series with the 3rd capacitor C 3 after the second resistance R 2 is connected in parallel with LCDs LCD and consist of and series arm, the 3rd stabilivolt DW3 of LED and reversal connection all with the second resistance R 2, the 3rd capacitor C 3 and LCDs LCD formation also series arm is in parallel.
Discharge and recharge oscillator and comprise the second capacitor C 2 and the first Diac DB1, be connected in parallel with the second capacitor C 2 after the first Diac DB1 and flash component are connected in series.
After 1 energising of electrification in high voltage primary equipment, high-voltage signal accesses successively high impedance attenuator, magnetic core mutual inductor, rectifier, discharges and recharges oscillator, increase electric current by the magnetic core mutual inductor, carry intermittant voltage by discharging and recharging oscillator to LED and LCDs LCD, LED and LCDs LCD are according to the intermittant voltage frequency scintillation in accordance with regulations that obtains.
Embodiment two:
As shown in Figure 2, it is different that the present embodiment and the difference of embodiment one are to discharge and recharge oscillator, the oscillator that discharges and recharges of this enforcement comprises the second capacitor C 2 and voltage-type trigger circuit, the voltage-type trigger circuit are connected in parallel with the second capacitor C 2 after being connected in series with flash component, the voltage-type trigger circuit comprise the second diac D2 of the 4th capacitor C 4, the first unidirectional controllable silicon S CR1 and reversal connection, the 4th capacitor C 4 is connected in parallel on the input pin and control pin of the first unidirectional controllable silicon S CR1 with after the second diac D2 of reversal connection is in parallel again.
Embodiment three:
As shown in Figure 3, the difference of the present embodiment and embodiment one also is to replace discharging and recharging oscillator, the oscillator that discharges and recharges of the present embodiment comprises the 5th capacitor C 5, the 6th capacitor C 6, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7 and the second Diac DB2, wherein, the second Diac DB2 and flash component are connected in series, the 5th capacitor C 5, the series arm that consists of after the 5th diode D5 and the 6th capacitor C 6 are connected in series successively is connected with rectifier, the positive pole of the 3rd diode D3 and the 4th diode D4 is connected with the positive pole of the 5th capacitor C 5 and the 6th capacitor C 6 respectively, the negative pole of the 3rd diode D3 and the 4th diode D4 all is connected with the input end of the second Diac DB2, the negative pole of the 6th diode D6 and the 7th diode D7 is connected with the negative pole of the 5th capacitor C 5 and the 6th capacitor C 6 respectively, and the anodal of the 6th diode D6 and the 7th diode D7 all is connected with the output terminal of flash component.
Embodiment four:
As shown in Figure 4, the structure that the present embodiment and the difference of embodiment one also are to discharge and recharge oscillator is different, the oscillator that discharges and recharges of the present embodiment comprises the second capacitor C 2 and voltage-type trigger circuit, the voltage-type trigger circuit are connected in parallel with the second capacitor C 2 after being connected in series with flash component, wherein, the voltage-type trigger circuit comprise the 4th stabilivolt DW4 of the 3rd resistance R 3, the second unidirectional controllable silicon S CR2 and reversal connection, the 3rd resistance R 3 is connected in parallel on the input pin and control pin of the second unidirectional controllable silicon S CR2 with after the 4th stabilivolt DW4 of reversal connection connects again.
As mentioned above, then can well realize the utility model.
Claims (8)
1. high voltage display device is characterized in that: comprise shell and in the enclosure internal circuit configuration is set, described internal circuit configuration comprises the high impedance attenuator, magnetic core mutual inductor, the rectifier that connect successively, discharges and recharges oscillator and flash component; Described magnetic core mutual inductor has the former limit that is connected with the high impedance attenuator and the secondary that is connected with rectifier, and former limit and the secondary of magnetic core mutual inductor are equipped with coil, and the coil turn on the former limit of magnetic core mutual inductor is greater than the coil turn of secondary; Described flash component comprises the 3rd stabilivolt (DW3) of the second resistance (R2), the 3rd electric capacity (C3), light emitting diode (LED), LCDs (LCD) and reversal connection, be connected in series with the 3rd electric capacity (C3) after the second resistance (R2) and LCDs (LCD) are connected in parallel and consist of and series arm, the 3rd stabilivolt (DW3) of described light emitting diode (LED) and reversal connection all with the second resistance (R2), the 3rd electric capacity (C3) and LCDs (LCD) formation also series arm is in parallel.
2. high voltage display device according to claim 1, it is characterized in that: described rectifier comprises rectification unit (4), the first electric capacity (C1), the first commutation diode (D1) and the first resistance (R1), described the first resistance (R1), the first commutation diode (D1), in parallel with the first electric capacity (C1) after discharging and recharging oscillator and flash component and connecting, two output terminals of described rectification unit (4) connect respectively the two ends of the first electric capacity (C1), and the secondary of described magnetic core mutual inductor is connected between two input ends of rectification unit (4).
3. high voltage display device according to claim 2, it is characterized in that: described high impedance attenuator comprises electrification in high voltage primary equipment (1), the first induction pole plate (2), the second induction pole plate (3), the first stabilivolt (DW1) and the second stabilivolt (DW2), described the second induction pole plate (3) is connected with the former limit of magnetic core mutual inductor, the series arm that consists of with magnetic core mutual inductor and the second induction pole plate (3) after described the first stabilivolt (DW1) and the second stabilivolt (DW2) differential concatenation is in parallel, the other end of the circuit that is connected with electrification in high voltage primary equipment (1) is connected on the circuit between the first stabilivolt (DW1) and the second induction pole plate (3), and the other end of the circuit that is connected with the first induction pole plate (2) is connected on the circuit between the second stabilivolt (DW2) and the former limit of magnetic core mutual inductor.
4. high voltage display device according to claim 2, it is characterized in that: described rectification unit (4) is bridge rectifier circuit.
5. each described high voltage display device according to claim 1～4, it is characterized in that: the described oscillator that discharges and recharges comprises the second electric capacity (C2) and the first Diac (DB1), and described the first Diac (DB1) is connected in parallel with the second electric capacity (C2) after being connected in series with flash component.
6. each described high voltage display device according to claim 1～4, it is characterized in that: the described oscillator that discharges and recharges comprises the second electric capacity (C2) and voltage-type trigger circuit, described voltage-type trigger circuit are connected in parallel with the second electric capacity (C2) after being connected in series with flash component, described voltage-type trigger circuit comprise the 4th electric capacity (C4), second diac (D2) of the first one-way SCR (SCR1) and reversal connection, described the 4th electric capacity (C4) is connected in parallel on the input pin and control pin of the first one-way SCR (SCR1) with after second diac (D2) of reversal connection is in parallel again.
7. each described high voltage display device according to claim 1～4, it is characterized in that: the described oscillator that discharges and recharges comprises the 5th electric capacity (C5), the 6th electric capacity (C6), the 3rd diode (D3), the 4th diode (D4), the 5th diode (D5), the 6th diode (D6), the 7th diode (D7) and the second Diac (DB2), described the second Diac (DB2) is connected in series with flash component, described the 5th electric capacity (C5), the series arm that consists of after the 5th diode (D5) and the 6th electric capacity (C6) are connected in series successively is connected with rectifier, described the 3rd diode (D3) is connected with the positive pole of the 5th electric capacity (C5) with the 6th electric capacity (C6) respectively with both positive poles of the 4th diode (D4), the 3rd diode (D3) all is connected with the input end of the second Diac (DB2) with both negative poles of the 4th diode (D4), described the 6th diode (D6) is connected with the negative pole of the 5th electric capacity (C5) with the 6th electric capacity (C6) respectively with both negative poles of the 7th diode (D7), both anodal all the connections with the output terminal of flash component of described the 6th diode (D6) and the 7th diode (D7).
8. each described high voltage display device according to claim 1～4, it is characterized in that: the described oscillator that discharges and recharges comprises the second electric capacity (C2) and voltage-type trigger circuit, described voltage-type trigger circuit are connected in parallel with the second electric capacity (C2) after being connected in series with flash component, described voltage-type trigger circuit comprise the 3rd resistance (R3), the 4th stabilivolt (DW4) of the second one-way SCR (SCR2) and reversal connection, described the 3rd resistance (R3) is connected in parallel on the input pin and control pin of the second one-way SCR (SCR2) with after the 4th stabilivolt (DW4) of reversal connection is connected again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318313 CN202661539U (en) | 2012-07-04 | 2012-07-04 | High-voltage live display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220318313 CN202661539U (en) | 2012-07-04 | 2012-07-04 | High-voltage live display device |
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| CN202661539U true CN202661539U (en) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220318313 Expired - Fee Related CN202661539U (en) | 2012-07-04 | 2012-07-04 | High-voltage live display device |
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| CN (1) | CN202661539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048526A (en) * | 2011-10-15 | 2013-04-17 | 四川蓝讯宝迩电子科技有限公司 | High-voltage electrifying display device |
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2012
- 2012-07-04 CN CN 201220318313 patent/CN202661539U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048526A (en) * | 2011-10-15 | 2013-04-17 | 四川蓝讯宝迩电子科技有限公司 | High-voltage electrifying display device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20130109 Termination date: 20130704 |