CN205847079U - Positive or negative high voltage switching output circuit with time delay interlocking - Google Patents
Positive or negative high voltage switching output circuit with time delay interlocking Download PDFInfo
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- CN205847079U CN205847079U CN201620730212.XU CN201620730212U CN205847079U CN 205847079 U CN205847079 U CN 205847079U CN 201620730212 U CN201620730212 U CN 201620730212U CN 205847079 U CN205847079 U CN 205847079U
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- positive
- resistance
- high voltage
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- circuit
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Abstract
This utility model relates to a kind of positive or negative high voltage switching output circuit with time delay interlocking, including positive or negative high voltage output circuit, also include positive or negative high voltage control switching circuit, time delay interlock circuit, positive or negative high voltage control switching circuit is connected with time delay interlock circuit, positive or negative high voltage output circuit respectively, and positive or negative high voltage output circuit is connected with time delay interlock circuit；Effect is: by positive or negative high voltage control switching circuit, completes to start the corresponding high-voltage module power supply exporting high pressure polarity, turns off the high-voltage module power supply of non-output high pressure polarity, it is achieved with the Synchronization Control of time delay interlock circuit；By time delay interlock circuit, effectively prevent the high pressure short circuit phenomenon being likely to occur when positive and negative high pressure switches, it is achieved the reliable output switching of positive or negative high voltage；Circuit is simple, good stability, and reliability is high.
Description
Technical field
This utility model relates to a kind of band being widely used in the aspect such as detecting instrument, industry manufacture, medical instruments and equipment
There is the positive or negative high voltage switching output circuit that time delay interlocks.
Background technology
The most existing positive or negative high voltage switching output circuit, often also exists positive or negative high voltage output in actual application
The problem of moment short circuit, easily causes damage, poor reliability to power circuit itself；By the pressure restriction of components and parts, positive negative output
High tension voltage value is relatively low, it is impossible to meet the market demand, and along with the development of electronic science and technology, positive or negative high voltage is switched by market
Export technique proposes requirements at the higher level.
Summary of the invention
In view of market actual demand, this utility model provides that a kind of circuit is simple, good stability, reliability are high with
The positive or negative high voltage switching output circuit of time delay interlocking.
This utility model for achieving the above object, is adopted the technical scheme that: a kind of positive and negative height with time delay interlocking
Crush-cutting changes output circuit, including positive or negative high voltage output circuit, it is characterised in that: also include positive or negative high voltage control switching circuit, prolong
Time interlock circuit, described positive or negative high voltage control switching circuit is connected with time delay interlock circuit, positive or negative high voltage output circuit respectively, institute
State positive or negative high voltage output circuit to be connected with time delay interlock circuit；
Physical circuit is connected as: in described positive or negative high voltage control switching circuit, and positive and negative switching control end P/N passes through resistance R1
It is connected with one end of resistance R2 and the base stage of audion T1 respectively, after the other end of resistance R2 is connected with the emitter stage of audion T1
Meeting input ground GND, the colelctor electrode of audion T1 is connected with 2 feet of relay J 1 and the positive pole of diode D1 respectively, diode D1
Negative pole 6 feet with 1 foot of relay J 1,3 feet of relay J 1 and relay J 1 respectively be connected and be followed by feeder ear Vin, start and stop
Control end R/S positive pole with diode D2 and diode D3 respectively to be connected, the negative pole of diode D2 respectively with one end of resistance R3
Connect with the R/S+ end of positive high voltage modular power source in positive or negative high voltage output circuit, 7 feet of the other end contact relay J1 of resistance R3,
The negative pole of diode D3 is respectively with the R/S-end of negative high voltage modular power source in one end of resistance R4 and positive or negative high voltage output circuit even
Connect, 8 feet of the other end contact relay J1 of resistance R4；
In described time delay interlock circuit, one end of resistance R10 respectively with one end and the positive or negative high voltage switching control of resistance R5
4 feet of circuit relay electrical equipment J1 connect, the positive pole of another termination capacitor C2 of resistance R10, and the negative pole of electric capacity C2 connects input ground
GND, the other end of resistance R5 is connected with one end of resistance R6 and the base stage of audion T2 respectively, the emitter stage of audion T2 and electricity
The other end of resistance R6 is connected and is followed by input ground GND, the colelctor electrode of audion T2 by resistance R11 respectively with the positive pole of electric capacity C1 and
The negative pole of diode D4 connects, and the negative pole of electric capacity C1 meets input ground GND, the positive pole of diode D4 by resistance R13 respectively with electricity
One end of resistance R14 and the base stage of audion T4 connect, and the other end of resistance R14 is connected with the emitter stage of audion T4 and is followed by input
Ground GND, the colelctor electrode of audion T4 is connected with the positive pole of diode D6 and 2 feet of high-voltage relay J2 respectively, high-voltage relay
3 feet of J2 meet the outfan+HV of positive high voltage modular power source in positive or negative high voltage output circuit, one end of resistance R9 respectively with resistance R7
One end and positive or negative high voltage control switching circuit repeat circuit J1 5 feet connect, the positive pole of another termination capacitor C1 of resistance R9,
The other end of resistance R7 is connected with one end of resistance R8 and the base stage of audion T3 respectively, the emitter stage of audion T3 and resistance R8
The other end be connected and be followed by input ground GND, the colelctor electrode of audion T3 by resistance R12 respectively with positive pole and two poles of electric capacity C2
The negative pole of pipe D5 connects, and the positive pole of diode D5 is connected with one end of resistance R16 and the base stage of audion T5 respectively by resistance R15
Connect, the other end of resistance R16 be connected with the emitter stage of audion T5 be followed by input ground GND, the colelctor electrode of audion T5 respectively with
2 feet of the positive pole of diode D7 and high-voltage relay J3 connect, 1 foot of high-voltage relay J2 respectively with the negative pole of diode D6,
1 foot of high-voltage relay J3 is connected with the negative pole of diode D7 and is followed by feeder ear Vin, and 3 feet of high-voltage relay J3 connect positive and negative height
Outfan-the HV of negative high voltage modular power source in voltage follower circuit, the 4 foot phases of 4 feet of high-voltage relay J3 and high-voltage relay J2
Even it is followed by high-voltage output end HVout, High voltage output ground HGND and the output of positive high voltage modular power source in positive or negative high voltage output circuit
Ground end HGND1 is connected.
The beneficial effects of the utility model are: by positive or negative high voltage control switching circuit, complete to start and export high pressure accordingly
The high-voltage module power supply of polarity, turns off the high-voltage module power supply of non-output high pressure polarity, it is achieved synchronization with time delay interlock circuit
Control；By time delay interlock circuit, effectively prevent the high pressure short circuit phenomenon being likely to occur when positive and negative high pressure switches, it is achieved
The reliable output switching of positive or negative high voltage；Circuit is simple, good stability, and reliability is high.
Accompanying drawing explanation
Fig. 1 is that circuit of the present utility model connects block diagram and as Figure of abstract；
Fig. 2 is circuit theory diagrams of the present utility model.
Detailed description of the invention
As shown in Figure 1, 2, with the positive or negative high voltage switching output circuit of time delay interlocking, including positive or negative high voltage output circuit,
Also include positive or negative high voltage control switching circuit, time delay interlock circuit.
Positive or negative high voltage control switching circuit is connected with time delay interlock circuit, positive or negative high voltage output circuit respectively, positive or negative high voltage
Output circuit is connected with time delay interlock circuit.
Physical circuit is connected as: in positive or negative high voltage control switching circuit, and positive and negative switching control end P/N is by resistance R1 respectively
Be connected with one end of resistance R2 and the base stage of audion T1, the other end of resistance R2 be connected with the emitter stage of audion T1 be followed by defeated
Entering ground GND, the colelctor electrode of audion T1 is connected with 2 feet of relay J 1 and the positive pole of diode D1 respectively, and diode D1's is negative
Pole 6 feet with 1 foot of relay J 1,3 feet of relay J 1 and relay J 1 respectively are connected and are followed by feeder ear Vin, on off control
End R/S positive pole with diode D2 and diode D3 respectively is connected, the negative pole of diode D2 respectively with one end of resistance R3 and just
In negative high voltage output circuit, the R/S+ end of positive high voltage modular power source connects, 7 feet of the other end contact relay J1 of resistance R3, two poles
The negative pole of pipe D3 is connected with the R/S-end of negative high voltage modular power source in one end of resistance R4 and positive or negative high voltage output circuit respectively, electricity
8 feet of the other end contact relay J1 of resistance R4.
In time delay interlock circuit, one end of resistance R10 respectively with one end and the positive or negative high voltage control switching circuit of resistance R5
4 feet of repeat circuit J1 connect, the positive pole of another termination capacitor C2 of resistance R10, and the negative pole of electric capacity C2 connects input ground GND, electricity
The other end of resistance R5 is connected with one end of resistance R6 and the base stage of audion T2 respectively, and the emitter stage of audion T2 is with resistance R6's
The other end is connected and is followed by input ground GND, the colelctor electrode of audion T2 by resistance R11 respectively with positive pole and the diode of electric capacity C1
The negative pole of D4 connects, and the negative pole of electric capacity C1 meets input ground GND, and the positive pole of diode D4 passes through resistance R13 respectively with resistance R14's
The base stage of one end and audion T4 connects, and the other end of resistance R14 is connected with the emitter stage of audion T4 and is followed by input ground GND,
The colelctor electrode of audion T4 is connected with the positive pole of diode D6 and 2 feet of high-voltage relay J2 respectively, the 3 of high-voltage relay J2
Foot meets the outfan+HV of positive high voltage modular power source in positive or negative high voltage output circuit, one end of resistance R9 respectively with the one of resistance R7
5 feet of end and positive or negative high voltage control switching circuit repeat circuit J1 connect, the positive pole of another termination capacitor C1 of resistance R9, resistance
The other end of R7 is connected with one end of resistance R8 and the base stage of audion T3 respectively, and the emitter stage of audion T3 is another with resistance R8's
One end is connected and is followed by input ground GND, the colelctor electrode of audion T3 by resistance R12 respectively with positive pole and the diode D5 of electric capacity C2
Negative pole connect, the positive pole of diode D5 is connected with one end of resistance R16 and the base stage of audion T5 respectively by resistance R15,
The other end of resistance R16 be connected with the emitter stage of audion T5 be followed by input ground GND, the colelctor electrode of audion T5 respectively with two poles
2 feet of the positive pole of pipe D7 and high-voltage relay J3 connect, 1 foot of high-voltage relay J2 respectively with negative pole, the high pressure of diode D6
1 foot of relay J 3 is connected with the negative pole of diode D7 and is followed by feeder ear Vin, and it is defeated that 3 feet of high-voltage relay J3 connect positive or negative high voltage
Go out the outfan-HV of negative high voltage modular power source in circuit, after 4 feet of high-voltage relay J3 are connected with 4 feet of high-voltage relay J2
Connect high-voltage output end HVout, High voltage output ground HGND and the output ground end of positive high voltage modular power source in positive or negative high voltage output circuit
HGND1 is connected.
Positive or negative high voltage control switching circuit uses dpdt relay, it is achieved that time delay interlock circuit, positive or negative high voltage are defeated
Going out the synchronism switching of circuit, circuit is simple, good stability, and reliability is high.
When high-voltage relay is selected, need to be according to output voltage values, it is considered to resistance to pressure request.
Operation principle:
Positive and negative switch-over control signal P/N, controls relay J 1 by audion T1, and then controls time delay interlock circuit, just
The switching of negative high voltage output circuit.
When on off control end R/S is high level, high-voltage output end HVout is without output；When on off control end R/S is low electricity
At ordinary times, high-voltage output end HVout has output.
In the case of on off control end R/S is low level, when positive and negative switching control end P/N is high level, relay J 1
Normally opened contact Guan Bi, on the one hand negative high voltage modular power source without output, positive high voltage modular power source output positive high voltage；On the other hand three
Pole pipe T2 ends, and audion T3 turns on, and electric capacity C2 is discharged by resistance R12 and audion T3, and audion T5 ends, high-voltage relay
The contact of device J3 disconnects；Being charged to electric capacity C1 by resistance R9 simultaneously, make audion T4 turn on, high-voltage relay J2 closes contact
Close, high-voltage output end output positive high voltage.When positive and negative switching control end P/N is low level, the normally-closed contact Guan Bi of relay J 1,
On the one hand positive high voltage modular power source is without output, negative high voltage modular power source output negative high voltage；On the other hand audion T3 cut-off, three poles
Pipe T2 turns on, and electric capacity C1 is discharged by resistance R11 and audion T2, and audion T4 ends, and the contact of high-voltage relay J2 disconnects；
Being charged to electric capacity C2 by resistance R10 simultaneously, make audion T5 turn on, the high-voltage relay J3 closing of contact, high-voltage output end is defeated
Go out negative high voltage, it is achieved positive or negative high voltage interlocking switching.
The resistance of resistance R9 with R10 is identical, and the resistance of resistance R11 with R12 is identical, and the capacitance of electric capacity C1 with C2 is identical, and
The resistance of resistance R9 and the R10 resistance much larger than resistance R11 and R12, makes the charging interval of electric capacity much larger than its discharge time, control
High-voltage relay processed another slow adhesive of one quick disconnection, it is achieved positive or negative high voltage time delay switches.
Claims (1)
1. with a positive or negative high voltage switching output circuit for time delay interlocking, including positive or negative high voltage output circuit, it is characterised in that:
Also including positive or negative high voltage control switching circuit, time delay interlock circuit, described positive or negative high voltage control switching circuit is mutual with time delay respectively
Lock circuit, positive or negative high voltage output circuit connect, and described positive or negative high voltage output circuit is connected with time delay interlock circuit；
Physical circuit is connected as: in described positive or negative high voltage control switching circuit, and positive and negative switching control end P/N is by resistance R1 respectively
Be connected with one end of resistance R2 and the base stage of audion T1, the other end of resistance R2 be connected with the emitter stage of audion T1 be followed by defeated
Entering ground GND, the colelctor electrode of audion T1 is connected with 2 feet of relay J 1 and the positive pole of diode D1 respectively, and diode D1's is negative
Pole 6 feet with 1 foot of relay J 1,3 feet of relay J 1 and relay J 1 respectively are connected and are followed by feeder ear Vin, on off control
End R/S positive pole with diode D2 and diode D3 respectively is connected, the negative pole of diode D2 respectively with one end of resistance R3 and just
In negative high voltage output circuit, the R/S+ end of positive high voltage modular power source connects, 7 feet of the other end contact relay J1 of resistance R3, two poles
The negative pole of pipe D3 is connected with the R/S-end of negative high voltage modular power source in one end of resistance R4 and positive or negative high voltage output circuit respectively, electricity
8 feet of the other end contact relay J1 of resistance R4；
In described time delay interlock circuit, one end of resistance R10 respectively with one end and the positive or negative high voltage control switching circuit of resistance R5
4 feet of repeat circuit J1 connect, the positive pole of another termination capacitor C2 of resistance R10, and the negative pole of electric capacity C2 connects input ground GND, electricity
The other end of resistance R5 is connected with one end of resistance R6 and the base stage of audion T2 respectively, and the emitter stage of audion T2 is with resistance R6's
The other end is connected and is followed by input ground GND, the colelctor electrode of audion T2 by resistance R11 respectively with positive pole and the diode of electric capacity C1
The negative pole of D4 connects, and the negative pole of electric capacity C1 meets input ground GND, and the positive pole of diode D4 passes through resistance R13 respectively with resistance R14's
The base stage of one end and audion T4 connects, and the other end of resistance R14 is connected with the emitter stage of audion T4 and is followed by input ground GND,
The colelctor electrode of audion T4 is connected with the positive pole of diode D6 and 2 feet of high-voltage relay J2 respectively, the 3 of high-voltage relay J2
Foot meets the outfan+HV of positive high voltage modular power source in positive or negative high voltage output circuit, one end of resistance R9 respectively with the one of resistance R7
5 feet of end and positive or negative high voltage control switching circuit repeat circuit J1 connect, the positive pole of another termination capacitor C1 of resistance R9, resistance
The other end of R7 is connected with one end of resistance R8 and the base stage of audion T3 respectively, and the emitter stage of audion T3 is another with resistance R8's
One end is connected and is followed by input ground GND, the colelctor electrode of audion T3 by resistance R12 respectively with positive pole and the diode D5 of electric capacity C2
Negative pole connect, the positive pole of diode D5 is connected with one end of resistance R16 and the base stage of audion T5 respectively by resistance R15,
The other end of resistance R16 be connected with the emitter stage of audion T5 be followed by input ground GND, the colelctor electrode of audion T5 respectively with two poles
2 feet of the positive pole of pipe D7 and high-voltage relay J3 connect, 1 foot of high-voltage relay J2 respectively with negative pole, the high pressure of diode D6
1 foot of relay J 3 is connected with the negative pole of diode D7 and is followed by feeder ear Vin, and it is defeated that 3 feet of high-voltage relay J3 connect positive or negative high voltage
Go out the outfan-HV of negative high voltage modular power source in circuit, after 4 feet of high-voltage relay J3 are connected with 4 feet of high-voltage relay J2
Connect high-voltage output end HVout, High voltage output ground HGND and the output ground end of positive high voltage modular power source in positive or negative high voltage output circuit
HGND1 is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730212.XU CN205847079U (en) | 2016-07-13 | 2016-07-13 | Positive or negative high voltage switching output circuit with time delay interlocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620730212.XU CN205847079U (en) | 2016-07-13 | 2016-07-13 | Positive or negative high voltage switching output circuit with time delay interlocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205847079U true CN205847079U (en) | 2016-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620730212.XU Withdrawn - After Issue CN205847079U (en) | 2016-07-13 | 2016-07-13 | Positive or negative high voltage switching output circuit with time delay interlocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205847079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160448B (en) * | 2016-07-13 | 2018-05-25 | 东文高压电源（天津）股份有限公司 | One kind is with the interlocking positive or negative high voltage switching output circuit that is delayed |
-
2016
- 2016-07-13 CN CN201620730212.XU patent/CN205847079U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160448B (en) * | 2016-07-13 | 2018-05-25 | 东文高压电源（天津）股份有限公司 | One kind is with the interlocking positive or negative high voltage switching output circuit that is delayed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20180525 |
|
| AV01 | Patent right actively abandoned |