CN208754180U - A kind of high-voltage capacitance battery alert and automatic discharge circuit - Google Patents
A kind of high-voltage capacitance battery alert and automatic discharge circuit Download PDFInfo
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- CN208754180U CN208754180U CN201821449207.7U CN201821449207U CN208754180U CN 208754180 U CN208754180 U CN 208754180U CN 201821449207 U CN201821449207 U CN 201821449207U CN 208754180 U CN208754180 U CN 208754180U
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Abstract
The utility model provides a kind of high-voltage capacitance battery alert and automatic discharge circuit, it is characterized in that, it includes power module, automatic discharging module, electric discharge push module, reference voltage module and detection of power loss module, the power module includes that A phase inputs, B phase is inputted to be inputted with C phase, automatic discharging module includes rectifier bridge, and electric discharge push module includes optocoupler components and dual operational amplifier；Utility model has the advantages that rectifier bridge electric discharge adapts to the polar uncertainty of capacitor storage, guarantee that battery alert LED light is in positive connection status；" benchmark " voltage exports a high level or low level, is isolated through photoelectric coupling switch compared with " equipment working state signal " is through amplifier, at the moment that has a power failure, starts automatic discharge circuit, highly-safe.
Description
Technical field
The utility model relates to three-phase electrical domain more particularly to a kind of high-voltage capacitance battery alert and automatic discharge circuits.
Background technique
High-voltage capacitor (or power capacitor) has residual high voltage after equipment power failure, and charge reserves are larger, holds
Easily electric shock is caused to injure maintenance, commissioning staff, while natural discharge time is long.
Utility model content
The purpose of the utility model is to provide a kind of high-voltage capacitance battery alert and automatic discharge circuits.
To achieve the goals above, the technical solution of the utility model is:
A kind of high-voltage capacitance battery alert and automatic discharge circuit, which is characterized in that it includes power module, automatic discharging
Module, electric discharge push module, reference voltage module and detection of power loss module, the power module include that A phase inputs, and B phase inputs
It is inputted with C phase,
The A phase is inputted to be connect with one end of first resistor and first capacitor, and the first resistor and first capacitor are in parallel,
The cathode connection of the anode and the 4th diode of the other end and first diode of the first resistor and first capacitor,
The B phase is inputted to be connect with one end of second resistance and the second capacitor, and the second resistance and the second capacitor are in parallel,
The other end of the second resistance and the second capacitor is connect with the cathode of the anode of the second diode and the 5th diode,
The C phase is inputted to be connect with one end of 3rd resistor and third capacitor, and the 3rd resistor and third capacitor are in parallel,
The other end of the 3rd resistor and third capacitor is connect with the cathode of the anode of third diode and the 6th diode,
The cathode of the first capacitor, the second capacitor and third capacitor is connect with one end of the 4th resistance, the 4th electricity
The cathode of the other end of resistance and the anode of polar capacitor and zener diode connects, another termination power electricity of the 4th resistance
Pressure；
The electric discharge push module includes optocoupler components and dual operational amplifier, and the optocoupler components include the
Two light emitting diodes and phototriode, the anode of the 4th diode, the 5th diode and the 6th diode and the second hair
The cathode of optical diode connects, and the anode of second light emitting diode is connect with one end of the 8th resistance, the 8th resistance
The other end and 7 feet of dual operational amplifier connect, the collector of the phototriode connect with one end of the 7th resistance；
The automatic discharging module include it is silicon-controlled, the emitter of the phototriode is connect with silicon-controlled grid,
The silicon-controlled cathode is connect with the A1 foot of the cathode of the first light emitting diode and rectifier bridge respectively, first light-emitting diodes
The anode of pipe is connect with one end of the 5th resistance, and the silicon-controlled anode is connect with one end of the 6th resistance, the rectifier bridge
A2 foot is connect with the other end of the 5th resistance, the 6th resistance and the 7th resistance respectively, B1 the and B2 foot of the rectifier bridge is indirectly
4th capacitor；
The reference voltage module includes the 5th capacitor and the 9th resistance, and one end of the 5th capacitor and the 9th resistance is equal
Supply voltage is connect, the other end of the 9th resistance is connect with one end of the tenth resistance, the other end of the tenth resistance and
One end of six capacitors connects, and the other end, the other end of the 9th resistance and one end of the tenth resistance of the 6th capacitor connect double
5 feet of operational amplifier；
The detection of power loss module includes main power source, and the main power source connects the anode of the 7th diode, and the described 7th 2
The cathode of pole pipe and one end of eleventh resistor connect, and the other end of the eleventh resistor and one end of twelfth resistor connect
It connects, 6 feet of another termination dual operational amplifier of the twelfth resistor, the other end of the twelfth resistor is also with the 13rd
One end of resistance connects, and the other end of the thirteenth resistor is connect with one end of the 7th capacitor, the 7th capacitor it is another
It terminates between twelfth resistor and thirteenth resistor, the other end and the 7th of 4 feet of the dual operational amplifier, thirteenth resistor
One end of capacitor is grounded.
Further, the anode of the 4th diode, the 5th diode and the 6th diode, polar capacitor cathode,
The cathode of second light emitting diode and the anode of zener diode are grounded.
Utility model has the advantages that rectifier bridge electric discharge adapts to the polar uncertainty of capacitor storage, guarantee electricity
Warning LED light is in positive connection status；" benchmark " voltage exports a height compared with " equipment working state signal " is through amplifier
Level or low level, are isolated through photoelectric coupling switch, at the moment that has a power failure, start automatic discharge circuit, highly-safe.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Structural schematic diagram when Fig. 2 is the specific implementation of the utility model.
Appended drawing reference:
1 power module
2 automatic discharging modules
3 electric discharge push modules
4 reference voltage modules
5 detection of power loss modules
6 A phases input
7 B phases input
8 C phases input
First ~ the thirteenth resistor of R1 ~ 13
C1 ~ 7 first ~ the 7th capacitor
C8 polar capacitor
D1 ~ 7 first ~ the 7th diode
D8 zener diode
D9 rectifier bridge
The first light emitting diode of D10
The second light emitting diode of D11
U1 optocoupler components
U2 dual operational amplifier.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
The utility model provides a kind of high-voltage capacitance battery alert and automatic discharge circuit, which is characterized in that such as Fig. 1 institute
Showing, it includes power module 1, automatic discharging module 2, electric discharge push module 3, reference voltage module 4 and detection of power loss module 5,
The power module 1 includes that A phase inputs 6, B phase and inputs 7 and inputs 8 with C phase,
The A phase inputs 6 and connect with one end of first resistor R1 and first capacitor C1, the electricity of the first resistor R1 and first
Hold C1 parallel connection, the anode and the 4th diode of the other end and first diode D1 of the first resistor R1 and first capacitor C1
The cathode of D4 connects,
The B phase inputs 7 and connect with one end of second resistance R2 and the second capacitor C2, the electricity of the second resistance R2 and second
It is in parallel to hold C2, the anode and the 5th diode of the other end and the second diode D2 of the second resistance R2 and the second capacitor C2
The cathode of D5 connects,
The C phase inputs 8 and connect with one end of 3rd resistor R3 and third capacitor C3, the 3rd resistor R3 and third electricity
Hold C3 parallel connection, the anode and the 6th diode of the other end and third diode D3 of the 3rd resistor R3 and third capacitor C3
The cathode of D6 connects,
The cathode of the first capacitor C1, the second capacitor C2 and third capacitor C3 are connect with one end of the 4th resistance R4, institute
It states the other end of the 4th resistance R4 to connect with the cathode of the anode of polar capacitor C8 and zener diode D8, the 4th resistance R4
Another termination supply voltage VCC.
When it is implemented, as shown in Figure 1, supply voltage VCC can directly be generated by power module 1, supply voltage VCC
It can be other circuits and directly generate access, but other circuits must be stablized and have filter capacitor energy storage.
The automatic discharging module 2 include silicon-controlled Q1, the cathode of the silicon-controlled Q1 respectively with the first light emitting diode
The cathode of D10 is connected with the A1 foot of rectifier bridge D9, and the anode of the first light emitting diode D10 connects with one end of the 5th resistance R5
Connect, the anode of the silicon-controlled Q1 is connect with one end of the 6th resistance R6, the A2 foot of the rectifier bridge D9 respectively with the 5th resistance
The other end of R5, the 6th resistance R6 and the 7th resistance R7 connect, indirect 4th capacitor of the B1 and B2 foot of the rectifier bridge D9
C4。
First light emitting diode D10 and the 5th resistance R5 forms battery alert module, the 5th resistance in automatic discharging module 2
R5 makees current-limiting resistance, which is normality work in operation hours, i.e., the first light emitting diode D10 is normal
It is bright.
The detection of power loss module 5 includes main power source P, and the main power source P connects the anode of the 7th diode D7, and described the
The cathode of seven diode D7 is connect with one end of eleventh resistor R11, the other end of the eleventh resistor R11 and the 12nd electricity
One end connection of R12 is hindered, the other end of the twelfth resistor R12 is also connect with one end of thirteenth resistor R13, and the described tenth
The other end of three resistance R13 is connect with one end of the 7th capacitor C7, another termination twelfth resistor R12 of the 7th capacitor C7
Between thirteenth resistor R13, the other end of the thirteenth resistor R13 and one end of the 7th capacitor C7 are grounded, main circuit
P1 interface is directly accessed into the P1 interface of main power source P or certain road representativeness alternating voltage after rectification.Through eleventh resistor R11,
Twelfth resistor R12, thirteenth resistor R13 partial pressure, the 7th capacitor C7 filtering, generate one " equipment working state signal " electricity
Pressure.
The reference voltage module 4 includes the 5th capacitor C5 and the 9th resistance R9, the 5th capacitor C5 and the 9th resistance
One end of R9 meets supply voltage VCC, and the other end of the 9th resistance R9 is connect with one end of the tenth resistance R10, and described
The other end of ten resistance R10 is connect with one end of the 6th capacitor C6, and supply voltage VCC is through the 9th resistance R9, the tenth resistance R10 points
Pressure generates " benchmark " voltage.
The electric discharge push module 3 includes optocoupler components U1 and dual operational amplifier U2, and dual operational amplifier U2 is excellent
It is selected as LM258,4 feet of dual operational amplifier U2 are grounded, another termination dual operational amplifier U2's of the twelfth resistor R12
6 feet, the other end, the other end of the 9th resistance R9 and one end of the tenth resistance R10 of the 6th capacitor C6 connect double operations and put
5 feet of big device U2, the optocoupler components U1 include the second light emitting diode D11 and phototriode Q2, and described photosensitive three
The emitter of pole pipe Q2 is connect with the grid of silicon-controlled Q1, the 4th diode D4, the 5th diode D5 and the 6th diode
The anode of D6 is connect with the cathode of the second light emitting diode D11, anode and the 8th resistance R8 of the second light emitting diode D11
One end connection, the other end of the 8th resistance R8 connect with 7 feet of dual operational amplifier U2, the phototriode Q2's
Collector is connect with one end of the 7th resistance R7, and " benchmark " voltage and " equipment working state signal " voltage are through dual operational amplifier
U2 compares, and exports a high level or low level, is isolated through optocoupler components U1, at the moment that has a power failure, starts automatic discharging mould
Block 2.
The anode of the 4th diode D4, the 5th diode D5 and the 6th diode D6, the cathode of polar capacitor C8,
The cathode of two light emitting diode D11 and the anode of zener diode D8 are grounded.
When it is implemented, as shown in Fig. 2, since the electricity of capacitors multiple in same equipment storage with polarity is uncertain
, so discharge circuit design must be each self-isolation, therefore set in high-voltage capacitance battery alert and automatic discharge circuit
Multichannel electric discharge push module 3 is set, above-mentioned electric discharge push module 3 is in parallel, and each multichannel electric discharge push module 3 corresponding one is put automatically
Electric module 2, the corresponding circuit components of each automatic discharging module 2 are highly-safe.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (2)
1. a kind of high-voltage capacitance battery alert and automatic discharge circuit, which is characterized in that it includes power module, automatic discharging mould
Block, electric discharge push module, reference voltage module and detection of power loss module, the power module include that A phase inputs, and B phase inputs and C
Mutually input,
The A phase is inputted to be connect with one end of first resistor and first capacitor, and the first resistor and first capacitor are in parallel, described
The cathode connection of the anode and the 4th diode of the other end and first diode of first resistor and first capacitor,
The B phase is inputted to be connect with one end of second resistance and the second capacitor, and the second resistance and the second capacitor are in parallel, described
The other end of second resistance and the second capacitor is connect with the cathode of the anode of the second diode and the 5th diode,
The C phase is inputted to be connect with one end of 3rd resistor and third capacitor, and the 3rd resistor and third capacitor are in parallel, described
The other end of 3rd resistor and third capacitor is connect with the cathode of the anode of third diode and the 6th diode,
The cathode of the first capacitor, the second capacitor and third capacitor is connect with one end of the 4th resistance, the 4th resistance
The cathode of the anode and zener diode of the other end and polar capacitor connects, another termination supply voltage of the 4th resistance；
The electric discharge push module includes optocoupler components and dual operational amplifier, and the optocoupler components include the second hair
Optical diode and phototriode, the anode of the 4th diode, the 5th diode and the 6th diode and second luminous two
The cathode of pole pipe connects, and the anode of second light emitting diode is connect with one end of the 8th resistance, the 8th resistance it is another
The connection of 7 feet of one end and dual operational amplifier, the collector of the phototriode are connect with one end of the 7th resistance；
The automatic discharging module include it is silicon-controlled, the emitter of the phototriode is connect with silicon-controlled grid, described
Silicon-controlled cathode is connect with the A1 foot of the cathode of the first light emitting diode and rectifier bridge respectively, first light emitting diode
Anode is connect with one end of the 5th resistance, and the silicon-controlled anode is connect with one end of the 6th resistance, the rectifier bridge A2 foot
It is connect respectively with the other end of the 5th resistance, the 6th resistance and the 7th resistance, the indirect 4th of B1 the and B2 foot of the rectifier bridge the
Capacitor；
The reference voltage module includes the 5th capacitor and the 9th resistance, and one end of the 5th capacitor and the 9th resistance connects electricity
The other end of source voltage, the 9th resistance is connect with one end of the tenth resistance, the other end of the tenth resistance and the 6th electricity
One end of appearance connects, and the other end, the other end of the 9th resistance and one end of the tenth resistance of the 6th capacitor connect double operations
5 feet of amplifier；
The detection of power loss module includes main power source, and the main power source connects the anode of the 7th diode, the 7th diode
The connection of one end of cathode and eleventh resistor, the other end of the eleventh resistor and one end of twelfth resistor connect, described
6 feet of another termination dual operational amplifier of twelfth resistor, the other end of the twelfth resistor also with thirteenth resistor
One end connection, the other end of the thirteenth resistor connect with one end of the 7th capacitor, another termination of the 7th capacitor the
Between 12 resistance and thirteenth resistor, 4 feet of the dual operational amplifier, the other end of thirteenth resistor and the 7th capacitor
One end is grounded.
2. a kind of high-voltage capacitance battery alert according to claim 1 and automatic discharge circuit, which is characterized in that described
Four diodes, the 5th diode and the anode of the 6th diode, the cathode of polar capacitor, the second light emitting diode cathode and
The anode of zener diode is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449207.7U CN208754180U (en) | 2018-09-05 | 2018-09-05 | A kind of high-voltage capacitance battery alert and automatic discharge circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821449207.7U CN208754180U (en) | 2018-09-05 | 2018-09-05 | A kind of high-voltage capacitance battery alert and automatic discharge circuit |
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| Publication Number | Publication Date |
|---|---|
| CN208754180U true CN208754180U (en) | 2019-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149917A (en) * | 2018-09-05 | 2019-01-04 | 上海华通企业集团有限公司 | A kind of high-voltage capacitance battery alert and automatic discharge circuit |
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2018
- 2018-09-05 CN CN201821449207.7U patent/CN208754180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149917A (en) * | 2018-09-05 | 2019-01-04 | 上海华通企业集团有限公司 | A kind of high-voltage capacitance battery alert and automatic discharge circuit |
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