CN205335635U - High -voltage board area electric protection device - Google Patents
High -voltage board area electric protection device Download PDFInfo
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- CN205335635U CN205335635U CN201521108177.XU CN201521108177U CN205335635U CN 205335635 U CN205335635 U CN 205335635U CN 201521108177 U CN201521108177 U CN 201521108177U CN 205335635 U CN205335635 U CN 205335635U
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Abstract
The utility model discloses a high -voltage board area electric protection device, including high voltage live testing instruction module and electromagnetic lock control module and electromagnetic lock, high pressure area point testing instruction module includes high -pressure capacitive sensor and rectifier module and electrified pilot lamp, electromagnetic lock control module includes power supply circuit and relay control module, wherein, capacitive sensor's output termination rectifier module input, rectifier module output tape splicing electricity pilot lamp and relay control module input, relay control module's signal output part connect the electromagnetic lock, and relay control module's power input is held and operating condition indicating module connects power supply circuit's output, power supply circuit's input termination high -voltage board rectifier module 1 output, the device avoids the staff to operate at electrified state at the high -voltage board, carries out photoelectric conversion through the opto -coupler module simultaneously, improves stability, has the pilot lamp in addition and reminds the function, can diversely remind the staff.
Description
Technical field
This utility model belongs to power supply unit technical field, particularly relates to a kind of high-voltage board electrization protection device。
Background technology
The high-voltage board charged display device of China's present stage can only play the effect of charged prompting; but the dynamics of the protection of this device is very low, is often ignored by staff, thus carrying out hot line job to cause electrical hazard; measure into casualties, device damage, even the consequence of large-area power-cuts。
Utility model content
For solving the problems referred to above; the scheme that this utility model provides is: a kind of high-voltage board electrization protection device; detect indicating module including electrification in high voltage and electromagnetic lock control module and electromagnetic lock, it is characterised in that: described high pressure belt point detection indicating module includes high-voltage capacitance sensor and rectification module and charged display lamp；Described electromagnetic lock controls module and includes power circuit and relay control module, wherein, the output termination rectification module input of described capacitance sensor, rectification module outfan tape splicing electricity display lamp and relay control module input, the signal output part of relay control module connects electromagnetic lock, the power input of relay control module and duty indicating module connect the outfan of power circuit, the input termination high-voltage board auxiliary power output end of power circuit。
Described rectification module includes three duplicate rectification modules corresponding A respectively, B, C three-phase, wherein the rectification module of A phase includes four diode D3 for rectification, D6, D9, D12, for the electric capacity C3 filtered, resistance R5 for current limliting, R6, for the LED 5 indicated, wherein, the plus earth of diode D6 and diode D3, the negative pole of diode D6 and the positive pole of diode D9 connect the outfan of A phase capacitance sensor, the negative pole of diode D9 meets electric capacity C3 and resistance R5, the negative pole of another terminating diode D3 of electric capacity C3 and the negative pole of resistance R6 and LED 5, the other end of the positive pole connecting resistance R5 of LED 5, the positive pole of another terminating diode D12 of resistance R6, the negative pole of diode D12 connects optocoupler and controls the input of module。
Described optocoupler controls module and includes one for the electrochemical capacitor C4 filtered and an optocoupler, and wherein, the positive pole of electrochemical capacitor C4 connects the positive pole of optocoupler luminous organ, minus earth。
Described relay control module includes relay K 1, audion Q1, Q2, Q3, diode D14, resistance R8, R10, LED 2, electric capacity C6；The base stage of audion Q2 connects optocoupler luminous organ emitter stage, audion Q2 colelctor electrode and audion Q3 colelctor electrode connect optocoupler luminous organ colelctor electrode, audion Q3 base stage connects audion Q2 emitter stage, audion Q3 grounded emitter, the electric capacity C6 for filtering is serially connected with between the emitter stage of base stage audion Q3 of audion Q2；The emitter stage of audion Q1 is through resistance R8 and LED 2 ground connection, and the base stage of audion Q1 connects optocoupler light-receiving device colelctor electrode through resistance R10, the collector connecting relay K1 of audion Q1, for preventing the diode D14 of reverse charge from connecing and relay input。
Described duty indicating module includes LED 1 and resistance R7, R9；The output termination electromagnetic lock of relay K 1；LED 1 and resistance R7, R9 series connection, LED 1 minus earth, resistance R9 mono-terminates the colelctor electrode of optocoupler light-receiving device, the node contact relay K1 of resistance R7 and resistance R9。
Described power circuit includes current-limiting resistance R13, rectifier bridge D13 and the electrochemical capacitor C5 for filtering；High-voltage board accessory power supply connects rectifier bridge D13 input through current-limiting resistance R13；Electrochemical capacitor C5 positive pole connects rectifier bridge D13 outfan, minus earth。
Described rectifier bridge D13 is full bridge rectifier。
The beneficial effects of the utility model: this utility model is by the live detection of high voltage bus is controlled the switch of electromagnetic lock thus reaching to avoid staff to operate at electriferous state at high-voltage board, carry out photoelectric conversion by optical coupling module simultaneously, improve stability, additionally there is display lamp prompting function, it is possible to multi-faceted prompting staff。
Accompanying drawing explanation
Fig. 1 is this utility model system framework figure
Fig. 2 is this utility model total system circuit theory diagrams
Fig. 3 is rectification module circuit theory diagrams shown in Fig. 1
Fig. 4 is that electromagnetic lock shown in Fig. 1 controls modular circuit schematic diagram
Detailed description of the invention
This utility model is described in further detail in conjunction with accompanying drawing below by detailed description of the invention。
This utility model one embodiment provides a kind of high-voltage board electrization protection device, as it is shown in figure 1, include electrification in high voltage detection indicating module and electromagnetic lock control module and electromagnetic lock；Described high pressure belt point detection indicating module includes high-voltage capacitance sensor and rectification module and charged indicating lamp module；Described electromagnetic lock controls module and includes optocoupler control module, power circuit, relay control module, duty indicating module, wherein, the output termination rectification module input of described capacitance sensor, rectification module output termination optocoupler controls the input of module and charged display lamp, optocoupler controls the signal input part of the outfan contact relay control module of module, the signal output part of relay control module connects electromagnetic lock, the power input of relay control module and duty indicating module connect the outfan of power circuit, the input termination high-voltage board auxiliary power output end of power circuit。
As shown in Figure 3, rectification module includes three duplicate rectification modules corresponding A respectively, B, C three-phase, wherein the rectification module of A phase includes four diode D3 for rectification, D6, D9, D12, for the electric capacity C3 filtered, resistance R5 for current limliting, R6, for the LED 5 indicated, wherein, the plus earth of diode D6 and diode D3, the negative pole of diode D6 and the positive pole of diode D9 connect the outfan of A phase capacitance sensor, the negative pole of diode D9 meets electric capacity C3 and resistance R5, the negative pole of another terminating diode D3 of electric capacity C3 and the negative pole of resistance R6 and LED 5, the other end of the positive pole connecting resistance R5 of LED 5, the positive pole of another terminating diode D12 of resistance R6, the negative pole of diode D12 connects optocoupler and controls the input of module。
As shown in Figure 2 and Figure 4, optocoupler controls module and includes one for the electrochemical capacitor C4 filtered and an optocoupler, and wherein, the positive pole of electrochemical capacitor C4 connects the positive pole of optocoupler luminous organ, minus earth。
As shown in Figure 2 and Figure 4, relay control module includes relay K 1, audion Q1, Q2, Q3, diode D14, resistance R8, R10, LED 2, electric capacity C6；The base stage of audion Q2 connects optocoupler luminous organ emitter stage, audion Q2 colelctor electrode and audion Q3 colelctor electrode connect optocoupler luminous organ colelctor electrode, audion Q3 base stage connects audion Q2 emitter stage, audion Q3 grounded emitter, the electric capacity C6 for filtering is serially connected with between the emitter stage of base stage audion Q3 of audion Q2；The emitter stage of audion Q1 is through resistance R8 and LED 2 ground connection, and the base stage of audion Q1 connects optocoupler light-receiving device colelctor electrode through resistance R10, the collector connecting relay K1 of audion Q1, for preventing the diode D14 of reverse charge from connecing and relay input。
As shown in Figure 2 and Figure 4, duty indicating module includes LED 1 and resistance R7, R9；The output termination electromagnetic lock of relay K 1；LED 1 and resistance R7, R9 series connection, LED 1 minus earth, resistance R9 mono-terminates the colelctor electrode of optocoupler light-receiving device, the node contact relay K1 of resistance R7 and resistance R9。
As shown in Figure 2 and Figure 4, power circuit includes current-limiting resistance R13, rectifier bridge D13 and the electrochemical capacitor C5 for filtering；High-voltage board accessory power supply connects rectifier bridge D13 input through current-limiting resistance R13；Electrochemical capacitor C5 positive pole connects rectifier bridge D13 outfan, minus earth；The rectifier bridge D13 of described second rectification module is full bridge rectifier。
As in figure 2 it is shown, high-tension electricity cabinet output accessory power supply is connected to circuit board E1, E2 voltage and obtains unidirectional current after resistance R13, rectifier bridge D13, electric capacity C5 rectifying and wave-filtering；Being energized to LED 1 after the logical current-limiting resistance R7 of unidirectional current, LED 1 lamp is bright, represents that power supply is normal。
When high-voltage board A phase is high be pressed with electricity time, voltage signal produces signal voltage through high pressure sensor, signal voltage is powered to optocoupler U1 through diode D9, resistance R5, LED 5, resistance R6, diode D12, LED 5 bright expression A phase has electricity, after optocoupler conducting, audion Q2, audion Q3 obtain bias voltage conducting makes audion Q1 be not turned on, when audion Q1 is not turned on stone, LED 2 display lamp does not work (representing that electromagnetic lock is in blocking), and K1, K2 not closed electromagnetic lock in relay no power contact does not have energising not open。B phase, C identical A facies principle is the same。As long as a three-phase electricity wherein phase has electric relay no power contact, not closed electromagnetic lock does not have energising not open。
When high-voltage board A, B, C three-phase does not all have electricity, audion Q1 must conduct the relay power closing of contact, and electromagnetic lock energising can be opened。Whole circuit prevents height to be pressed with electricity or hot line job when wherein a phase has an electricity。
This utility model is not limited to above-mentioned detailed description of the invention, and the expansion further that those of ordinary skill in the art makes according to the present invention each falls within protection domain of the present utility model。
Claims (5)
1. a high-voltage board electrization protection device, detects indicating module including electrification in high voltage and electromagnetic lock controls module and electromagnetic lock, it is characterised in that: described high pressure belt point detection indicating module includes high-voltage capacitance sensor and rectification module and charged display lamp；Described electromagnetic lock controls module and includes power circuit and relay control module, wherein, the output termination rectification module input of described capacitance sensor, rectification module outfan tape splicing electricity display lamp and relay control module input, the signal output part of relay control module connects electromagnetic lock, the power input of relay control module and duty indicating module connect the outfan of power circuit, the input termination high-voltage board auxiliary power output end of power circuit。
2. high-voltage board electrization protection device according to claim 1, it is characterized in that: described rectification module includes three duplicate rectification modules corresponding A respectively, B, C three-phase, wherein the rectification module of A phase includes four diode D3 for rectification, D6, D9, D12, for the electric capacity C3 filtered, resistance R5 for current limliting, R6, for the LED 5 indicated, wherein, the plus earth of diode D6 and diode D3, the negative pole of diode D6 and the positive pole of diode D9 connect the outfan of A phase capacitance sensor, the negative pole of diode D9 meets electric capacity C3 and resistance R5, the negative pole of another terminating diode D3 of electric capacity C3 and the negative pole of resistance R6 and LED 5, the other end of the positive pole connecting resistance R5 of LED 5, the positive pole of another terminating diode D12 of resistance R6, the negative pole of diode D12 connects optocoupler and controls the input of module。
3. high-voltage board electrization protection device according to claim 2, it is characterised in that: described optocoupler controls module and includes one for the electrochemical capacitor C4 filtered and an optocoupler, and wherein, the positive pole of electrochemical capacitor C4 connects the positive pole of optocoupler luminous organ, minus earth。
4. high-voltage board electrization protection device according to claim 1, it is characterised in that: described relay control module includes relay K 1, audion Q1, Q2, Q3, diode D14, resistance R8, R10, LED 2, electric capacity C6；The base stage of audion Q2 connects optocoupler luminous organ emitter stage, audion Q2 colelctor electrode and audion Q3 colelctor electrode connect optocoupler luminous organ colelctor electrode, audion Q3 base stage connects audion Q2 emitter stage, audion Q3 grounded emitter, the electric capacity C6 for filtering is serially connected with between the emitter stage of base stage audion Q3 of audion Q2；The emitter stage of audion Q1 is through resistance R8 and LED 2 ground connection, and the base stage of audion Q1 connects optocoupler light-receiving device colelctor electrode through resistance R10, the collector connecting relay K1 of audion Q1, for preventing the diode D14 of reverse charge from connecing and relay input。
5. high-voltage board electrization protection device according to claim 1, it is characterised in that: described power circuit includes current-limiting resistance (R13), rectifier bridge (D13) and the electrochemical capacitor (C5) for filtering；High-voltage board accessory power supply connects rectifier bridge (D13) input through current-limiting resistance (R13)；Electrochemical capacitor (C5) positive pole connects rectifier bridge (D13) outfan, minus earth。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108177.XU CN205335635U (en) | 2015-12-25 | 2015-12-25 | High -voltage board area electric protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108177.XU CN205335635U (en) | 2015-12-25 | 2015-12-25 | High -voltage board area electric protection device |
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| CN205335635U true CN205335635U (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521108177.XU Active CN205335635U (en) | 2015-12-25 | 2015-12-25 | High -voltage board area electric protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031107A (en) * | 2018-07-13 | 2018-12-18 | 浙江英洛华新能源科技有限公司 | Detect the electron assistant contact circuit of high-voltage relay contact on-off |
-
2015
- 2015-12-25 CN CN201521108177.XU patent/CN205335635U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031107A (en) * | 2018-07-13 | 2018-12-18 | 浙江英洛华新能源科技有限公司 | Detect the electron assistant contact circuit of high-voltage relay contact on-off |
| CN109031107B (en) * | 2018-07-13 | 2023-10-03 | 浙江英洛华新能源科技有限公司 | Electronic auxiliary contact circuit for detecting on-off of high-voltage relay contact |
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