CN209313738U - A kind of high voltage direct current voltage regulator circuit and power supply - Google Patents
A kind of high voltage direct current voltage regulator circuit and power supply Download PDFInfo
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- CN209313738U CN209313738U CN201920141414.4U CN201920141414U CN209313738U CN 209313738 U CN209313738 U CN 209313738U CN 201920141414 U CN201920141414 U CN 201920141414U CN 209313738 U CN209313738 U CN 209313738U
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Abstract
The utility model provides a kind of high voltage direct current voltage regulator circuit, including by four diode structures rectification circuit, first capacitor, second capacitor, third capacitor, 4th capacitor, first resistor, second resistance, 3rd resistor, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, 9th resistance, tenth resistance, first triode, second triode, third transistor, 4th triode, 5th triode, first zener diode, second zener diode, third zener diode, 4th zener diode, first rheostat and the second rheostat；Difference channel is made the sampling comparison circuit of regulated power supply by the utility model, so that the out-put dynamic range of entire power supply substantially improves.
Description
Technical field
The utility model relates to a kind of high voltage direct current voltage regulator circuit and power supplys.
Background technique
In production application, high-voltage DC power supply steady in a long-term is required in many occasions, and wish sometimes
Hope output voltage that can wither.- as voltage regulator circuit be extremely difficult to such requirement, even if accomplishing, output dynamic range
Also not high.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of high voltage direct current pressure stabilizing electricity
Road and power supply.
In order to achieve the above objects and other related objects, the utility model provides a kind of high voltage direct current voltage regulator circuit, including
By four diode structures rectification circuit, first capacitor, the second capacitor, third capacitor, the 4th capacitor, first resistor, second
Resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance,
First triode, the second triode, third transistor, the 4th triode, the 5th triode, the first zener diode, second are surely
Press diode, third zener diode, the 4th zener diode, the first rheostat and the second rheostat；
The first capacitor is parallel to the output end of rectification circuit, and second capacitor is connected in parallel with first capacitor；Institute
State one end ground connection of third capacitor, the other end of third capacitor respectively with the base stage of the first triode, one end of second resistance, the
The collector of five triodes connects, and the collector of the first triode and one end of first resistor connect, the other end of first resistor
With connect respectively with the other end of the cathode of the first zener diode, second resistance, the emitter of first triode and
The base stage of two triodes connects, and the collector of the second triode is connect with the ungrounded end of the second capacitor, the hair of the second triode
Emitter-base bandgap grading is connect with the cathode of the anode of the first zener diode, the second zener diode respectively, the anode of the second zener diode
It is connect with one end of the emitter of the 5th triode, 3rd resistor, the other end ground connection of 3rd resistor, the base stage of the 5th triode
It is connect with one end of the 6th resistance, the other end of the 6th resistance collector with one end of the 7th resistance, third transistor respectively
Connection, the emitter of third transistor are connect after connecting with the emitter of the 4th triode with one end of the 9th resistance, the 9th electricity
The other end of resistance is grounded, and the other end of the 7th resistance is connect with the anode of the first zener diode, the collector of the 4th triode
It is connect with the anode of the first zener diode, the collector of the 4th triode is connect with one end of the 8th resistance, the 8th resistance
The other end is connect with the anode of the first zener diode, and the anode of the cathode of third zener diode and the first zener diode connects
Connect, the anode of third zener diode is connect with the cathode of the 4th zener diode, the anode of the 4th zener diode respectively with
The base stage connection of one end, the 4th triode of the tenth resistance, one end ground connection of the tenth resistance, the 4th capacitor are parallel to third pressure stabilizing
Between the cathode and ground of diode；One end of 4th resistance is connect with the anode of the first zener diode, the 4th resistance it is another
End is connect with the first rheostatic first fixing end, and the base stage connection of the first rheostatic moved end and third transistor, first becomes
Second fixing end of resistance device is connect with one end of the 5th resistance, the other end of the 5th resistance and the second rheostatic first fixing end
Connection, the second rheostatic moved end are connect with the second rheostatic first fixing end, the second rheostatic second fixing end ground connection.
In order to achieve the above objects and other related objects, the utility model also provides a kind of high-voltage dc stabilization pressuring power, packet
Circuit board is included, further includes the high voltage direct current voltage regulator circuit being set on circuit board.
As described above, a kind of high voltage direct current voltage regulator circuit and power supply of the utility model, have the advantages that
Difference channel is made the sampling comparison circuit of regulated power supply by the utility model, so that the output dynamic model of entire power supply
It encloses and substantially improves.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram of high voltage direct current voltage regulator circuit of the utility model.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the utility model enforceable restriction item so that those skilled in the art understands and reads
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of Rong get Neng is covered.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Deng term, be merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, relativeness
It is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
As shown in Figure 1, the utility model provides a kind of high voltage direct current voltage regulator circuit, including by four diode VD1~VD4
Structure rectification circuit, first capacitor C1, the second capacitor C2, third capacitor C3, the 4th capacitor C4, first resistor R1, second electricity
Hinder R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th electricity
Hinder R9, the tenth resistance R10, the first triode V1, the second triode V2, third transistor V3, the 4th triode V4, the five or three pole
Pipe V5, the first zener diode VD1, the second zener diode VD2, third zener diode VD3, the 4th zener diode VD4,
First rheostat PR1 and the second rheostat PR2；
The first capacitor C1 is parallel to the output end of rectification circuit, and the second capacitor C2 is in parallel with first capacitor C1 to be connected
It connects；One end of the third capacitor C3 is grounded, the other end of third capacitor C3 respectively with the base stage of the first triode V1, the second electricity
One end of R2, the collector connection of the 5th triode V5 are hindered, the collector of the first triode V1 and one end of first resistor R1 connect
Connect, the other end of first resistor R1 with connect respectively with the other end of the cathode of the first zener diode VD1, second resistance R2,
The emitter of the first triode V1 is connect with the base stage of the second triode V2, the collector of the second triode V2 and the second electricity
Hold C2 ungrounded end connection, the emitter of the second triode V1 respectively with the anode of the first zener diode VD1, the second pressure stabilizing
The cathode of diode VD2 connects, the anode of the second zener diode VD2 and emitter, the 3rd resistor R3 of the 5th triode V5
One end connection, the other end ground connection of 3rd resistor R3, the base stage of the 5th triode V5 connect with one end of the 6th resistance R6, the
The other end of six resistance R6 is connect with the collector of one end of the 7th resistance R7, third transistor V3 respectively, third transistor V3
Emitter connect with the emitter of the 4th triode V4 after connect with one end of the 9th resistance R9, the other end of the 9th resistance R9
Ground connection, the other end of the 7th resistance R7 connect with the anode of the first zener diode VD1, the collector of the 4th triode V4 and the
The anode of one zener diode VD1 connects, and the collector of the 4th triode V4 is connect with one end of the 8th resistance R8, the 8th resistance
The other end of R8 is connect with the anode of the first zener diode VD1, two pole of cathode and the first pressure stabilizing of third zener diode VD3
The anode of pipe VD1 connects, and the anode of third zener diode VD3 is connect with the cathode of the 4th zener diode VD4, the 4th pressure stabilizing
The anode of diode VD4 is connect with the base stage of one end of the tenth resistance R10, the 4th triode V4 respectively, and the one of the tenth resistance R10
End ground connection, the 4th capacitor C4 are parallel between the cathode and ground of third zener diode VD3；One end and first of 4th resistance R4
The anode of zener diode VD1 connects, and the other end of the 4th resistance R4 is connect with the first fixing end of the first rheostat PR1, the
The moved end of one rheostat PR1 is connect with the base stage of third transistor V3, the second fixing end and the 5th resistance of the first rheostat PR1
One end of R5 connects, and the other end of the 5th resistance R5 is connect with the first fixing end of the second rheostat PR2, the second rheostat PR2
Moved end connect with the first fixing end of the second rheostat PR2, the second fixing end of the second rheostat PR2 ground connection.
The power supply is suitble to long-term work with small, low in energy consumption feature is influenced by environment temperature.Its electrical schematic diagram is shown in figure
1.Its working principle is briefly described below.
The alternating voltage of 20V or so is rectified through bridge heap VDl~VD4, after capacitor C1, C2 filtering, in compound adjustment pipe current collection
The DC voltage of about 330V is obtained between pole and ground, which forms preposition via resistance R1, the 5th zener diode VD5
After voltage regulator circuit, direct-flow steady voltage can be obtained in output end.
In Fig. 1, VD5~VD8 is the zener diode of different size, they rise certain steady in respective circuit
Pressure effect.Zener diode VD5 and resistance R1 forms preposition voltage regulator circuit.Its principle of stabilized voltage are as follows: since zener diode VD5 gives
The collector of triode V5 provides a stable voltage value, ensure that by the transmitting of triode V1, V2 multiple tube formed
Pole is in positively biased state, not only can reduce the fluctuation of the output voltage of regulated power supply, and can improve regulated power supply
Regulation, while also reducing the output impedance of regulated power supply.Zener diode VD6 clamps the emitter voltage of triode V5
On a certain voltage, the voltage Uce5 between the collector and emitter of such triode V5 would not be too big, solves three poles
The pressure-resistant problem of pipe V5.Zener diode VD7, VD8 are the zener diodes of a pair of positive and negative temperature coefficient, in very big degree
On reduce influence of the temperature change to output.
Triode V2, V1 are the high power tube of same type, constitute the compound homogeneous tube that withers in circuit；It is the core of the power supply
Point.Capacitor C3 is the ceramic disc capacitor for playing antihunt action.In order to further decrease influence of the temperature change to power supply, it is simultaneously
Satisfied out-put dynamic range is obtained, which makees sampling comparison circuit using difference channel.Its advantage is that: voltage regulation result
Well, it is not acted upon by temperature changes.Pressure stabilizing process is: as long as certain factor causes the variation of output voltage, in differential amplifier
Both ends form a differential input voltage, then will generate-a biggish voltage goes the end the CE voltage of control triode V2, V1 to become
Change, output voltage is retracted, has the function that pressure stabilizing.
The utility model also provides a kind of high-voltage dc stabilization pressuring power, including circuit board, further includes being set on circuit board
Aforementioned high voltage direct current voltage regulator circuit.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (2)
1. a kind of high voltage direct current voltage regulator circuit, which is characterized in that including by four diode structures rectification circuit, first electricity
Appearance, the second capacitor, third capacitor, the 4th capacitor, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance,
Six resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the first triode, the second triode, third transistor,
4th triode, the 5th triode, the first zener diode, the second zener diode, third zener diode, the 4th pressure stabilizing two
Pole pipe, the first rheostat and the second rheostat；
The first capacitor is parallel to the output end of rectification circuit, and second capacitor is connected in parallel with first capacitor；Described
One end of three capacitors is grounded, the other end of third capacitor respectively with the base stage of the first triode, one end of second resistance, the five or three
The collector of pole pipe connects, and the collector of the first triode and one end of first resistor connect, the other end of first resistor with point
It is not connect with the other end of the cathode of the first zener diode, second resistance, the emitter and the two or three of first triode
The base stage of pole pipe connects, and the collector of the second triode is connect with the ungrounded end of the second capacitor, the emitter of the second triode
It is connect respectively with the cathode of the anode of the first zener diode, the second zener diode, the anode of the second zener diode and
One end connection of the emitters of five triodes, 3rd resistor, the other end ground connection of 3rd resistor, the base stage of the 5th triode and the
One end of six resistance connects, and the other end of the 6th resistance is connect with the collector of one end of the 7th resistance, third transistor respectively,
The emitter of third transistor is connect after connecting with the emitter of the 4th triode with one end of the 9th resistance, the 9th resistance it is another
One end ground connection, the other end of the 7th resistance are connect with the anode of the first zener diode, the collector and first of the 4th triode
The anode of zener diode connects, and the collector of the 4th triode is connect with one end of the 8th resistance, the other end of the 8th resistance
It being connect with the anode of the first zener diode, the cathode of third zener diode is connect with the anode of the first zener diode, the
The anode of three zener diodes is connect with the cathode of the 4th zener diode, and the anode of the 4th zener diode is electric with the tenth respectively
The base stage connection of one end of resistance, the 4th triode, one end ground connection of the tenth resistance, the 4th capacitor are parallel to third zener diode
Cathode and ground between；One end of 4th resistance is connect with the anode of the first zener diode, the other end of the 4th resistance and
The base stage of one rheostatic first fixing end connection, the first rheostatic moved end and third transistor connects, and first is rheostatic
Second fixing end is connect with one end of the 5th resistance, and the other end of the 5th resistance is connect with the second rheostatic first fixing end,
Second rheostatic moved end is connect with the second rheostatic first fixing end, the second rheostatic second fixing end ground connection.
2. a kind of high-voltage dc stabilization pressuring power, which is characterized in that including circuit board, further include be set on circuit board such as right
It is required that high voltage direct current voltage regulator circuit described in 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141414.4U CN209313738U (en) | 2019-01-28 | 2019-01-28 | A kind of high voltage direct current voltage regulator circuit and power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141414.4U CN209313738U (en) | 2019-01-28 | 2019-01-28 | A kind of high voltage direct current voltage regulator circuit and power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313738U true CN209313738U (en) | 2019-08-27 |
Family
ID=67681307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920141414.4U Expired - Fee Related CN209313738U (en) | 2019-01-28 | 2019-01-28 | A kind of high voltage direct current voltage regulator circuit and power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313738U (en) |
-
2019
- 2019-01-28 CN CN201920141414.4U patent/CN209313738U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20220128 |