CN209375461U - A kind of low-power dissipation high pressure DC power supply - Google Patents
A kind of low-power dissipation high pressure DC power supply Download PDFInfo
- Publication number
- CN209375461U CN209375461U CN201822123670.9U CN201822123670U CN209375461U CN 209375461 U CN209375461 U CN 209375461U CN 201822123670 U CN201822123670 U CN 201822123670U CN 209375461 U CN209375461 U CN 209375461U
- Authority
- CN
- China
- Prior art keywords
- triode
- resistance
- connect
- power supply
- diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Amplifiers (AREA)
Abstract
The utility model discloses a kind of low-power dissipation high pressure DC power supplies, including the current rectifying and wave filtering circuit with wider alternating voltage input range, the power amplifier with pressure stabilization function, the sampling comparison circuit using difference channel as DC power supply and the voltage-stabilizing output circuit that can reduce temperature influence；The current rectifying and wave filtering circuit is connect with the power amplifier；Power amplifier circuit connection compared with the sampling；The sampling comparison circuit is connect with the voltage-stabilizing output circuit；The emitter of multiple tube is constantly in positively biased state in the utility model power amplifier module, can reduce the fluctuation of regulated power supply output voltage, improves the regulation of regulated power supply, while reducing the output impedance of regulated power supply, can be worked long hours with preferable performance；Pressure stabilizing output module can largely be weakened influence of the temperature change to output, be increased the stability of output voltage using the zener diode of a pair of positive and negative temperature coefficient.
Description
Technical field
The utility model relates to arrive combined-voltage switch technology field more particularly to a kind of low-power dissipation high pressure direct current
Source.
Background technique
In production application, high-voltage DC power supply steady in a long-term is required in many occasions, but it is long-term defeated
There are the situations that power consumption is higher and output stability is bad out.
Therefore, the prior art is defective, needs to improve.
Utility model content
The utility model provides a kind of low-power dissipation high pressure DC power supply, the above problem of solution.
To solve the above problems, the technical scheme that the utility model is provided is as follows:
A kind of low-power dissipation high pressure DC power supply, including current rectifying and wave filtering circuit, tool with wider alternating voltage input range
There are the power amplifier of pressure stabilization function, the sampling comparison circuit using difference channel as DC power supply and can reduce temperature influence
Voltage-stabilizing output circuit；The current rectifying and wave filtering circuit is connect with the power amplifier；The power amplifier is electric compared with the sampling
Road connection；The sampling comparison circuit is connect with the voltage-stabilizing output circuit.
Preferred technical solution, the current rectifying and wave filtering circuit include by the diode VD1-VD4 rectifier bridge formed and capacitor
C1-C2；The voltage range of the AC power source UI is AC150-250V.
Preferred technical solution, AC power source UI are connect with the input terminal of the rectifier bridge；The rectifier bridge anode with
The first end of the capacitor C1-C2 connects；The cathode of the rectifier bridge is connect with the second end of the capacitor C1-C2.
Preferred technical solution, the power amplifier include resistance R1-R3, capacitor C3, diode VD5-VD6 and triode
V1、V2、V5。
Preferred technical solution, the second end of the capacitor C3 are connect with the second end of the resistance R3；The resistance R3
First end connect respectively with the emitter of positive, the described triode V5 of the diode VD6；The diode VD6's is negative
Pole is connect with the emitter of positive, the described triode V2 of the diode VD5 respectively；The cathode of the diode VD5 is distinguished
It is connect with the first end of the second end of the resistance R1, the resistance R2；The first end of the resistance R1 and the triode V1
Collector connection；The base stage of the triode V1 respectively with the first end of the capacitor C3, the second end of the resistance R2, institute
State the collector connection of triode V5；The emitter of the triode V1 is connect with the base stage of the triode V2.
Preferred technical solution, the model IN167 of the diode VD5；The model of the diode VD6
IN4735；The model of the triode V1-V2 is 3DD102C；The triode V5 is NPN type triode；The capacitor C3
For the ceramic disc capacitor of antihunt action.
Preferred technical solution, the sampling comparison circuit include resistance R4-R10, slide rheostat RP1-RP2 and three poles
Pipe V3-V4.
Preferred technical solution, the first end of the resistance R4 are connect with the first end of the resistance R7-R8 respectively；It is described
The second end of resistance R4 is connect with the first end of the slide rheostat RP1；The second end of the slide rheostat RP1 with it is described
The first end of resistance R5 connects；The second end of the resistance R5 connects with the first end of the slide rheostat RP2, sliding end respectively
It connects；The sliding end of the slide rheostat RP1 is connect with the base stage of the triode V3；The collector of the triode V3 is distinguished
It is connect with the second end of the resistance R6-R7；The emitter of the triode V3 respectively with the first end of the resistance R9, described
The emitter of triode V4 connects；The collector of the triode V4 is connect with the second end of the resistance R8；The triode
The base stage of V4 is connect with the first end of the resistance R10；The second end of the slide rheostat RP2 respectively with the resistance R9-
The second end of R10 connects.
Preferred technical solution, the slide rheostat RP1-RP2 are used to adjust the dynamic range of output voltage；Described three
Pole pipe V3-V4 is NPN type triode.
Preferred technical solution, the voltage-stabilizing output circuit include capacitor C4 and diode VD7-VD8；The diode
The cathode of VD7 is connect with the first end of the capacitor C4；The anode of the diode VD7 connects with the cathode of the diode VD8
It connects；The both ends of the capacitor C4 are output voltage UO；The voltage range DC150-250V of the output voltage UO.
Beneficial effect compared with the existing technology is, using the above scheme, multiple tube in the utility model power amplifier module
Emitter is constantly in positively biased state, can reduce the fluctuation of regulated power supply output voltage, improves the regulation of regulated power supply, together
When reduce the output impedance of regulated power supply, can be worked long hours with preferable performance；Pressure stabilizing output module using it is a pair of just,
The zener diode of negative temperature coefficient can largely weaken influence of the temperature change to output, increase output
The stability of voltage.
Detailed description of the invention
Illustrate embodiment or technical solution in the prior art in order to clearer, it below will be to embodiment or the prior art
The required attached drawing used is briefly described in description, it is clear that, the accompanying drawings in the following description is only the one of utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of low-power dissipation high pressure DC power supply functional block diagram of the utility model；
Fig. 2 is a kind of low-power dissipation high pressure DC power supply circuit schematic diagram of the utility model.
Specific embodiment
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed
Thin explanation.The preferred embodiment of the utility model is given in attached drawing.But the utility model can be with many different
Form is realized, however it is not limited to this specification described embodiment.On the contrary, purpose of providing these embodiments is makes to this
The understanding of the disclosure of utility model is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term used in this specification " fixation ", " integrated molding ",
For illustrative purposes only, the similar unit of structure is to identical label in the figure for "left", "right" and similar statement
Mark.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language, which is only for the purpose of describing specific embodiments, is not intended to limitation the utility model.
As shown in Figs. 1-2, one embodiment of the utility model is:
A kind of low-power dissipation high pressure DC power supply, including current rectifying and wave filtering circuit, tool with wider alternating voltage input range
There are the power amplifier of pressure stabilization function, the sampling comparison circuit using difference channel as DC power supply and can reduce temperature influence
Voltage-stabilizing output circuit；The current rectifying and wave filtering circuit is connect with the power amplifier；The power amplifier is electric compared with the sampling
Road connection；The sampling comparison circuit is connect with the voltage-stabilizing output circuit.
The current rectifying and wave filtering circuit includes by the diode VD1-VD4 rectifier bridge formed and capacitor C1-C2；
AC power source UI is connect with the input terminal of the rectifier bridge；The anode of the rectifier bridge is with the capacitor C1-C2's
First end connection；The cathode of the rectifier bridge is connect with the second end of the capacitor C1-C2；
The voltage range of the AC power source UI is AC150-250V.
The power amplifier includes resistance R1-R3, capacitor C3, diode VD5-VD6 and triode V1, V2, V5；
The first end of the capacitor C2 is connect with the collector of the triode V2；The second end of the capacitor C3 with it is described
The second end of capacitor C2 connects；
The second end of the capacitor C3 is connect with the second end of the resistance R3；The first end of the resistance R3 respectively with institute
State the emitter connection of positive, the described triode V5 of diode VD6；The cathode of the diode VD6 respectively with two pole
The emitter of positive, the described triode V2 of pipe VD5 connects；The cathode of the diode VD5 respectively with the resistance R1
The first end connection at two ends, the resistance R2；The first end of the resistance R1 is connect with the collector of the triode V1；It is described
The base stage of triode V1 respectively with the first end of the capacitor C3, the second end of the resistance R2, the triode V5 current collection
Pole connection；The emitter of the triode V1 is connect with the base stage of the triode V2；
The model IN167 of the diode VD5；The model IN4735 of the diode VD6；The triode V1-
The model of V2 is 3DD102C；The triode V5 is NPN type triode；The capacitor C3 is the ceramic disc capacitor of antihunt action.
The sampling comparison circuit includes resistance R4-R10, slide rheostat RP1-RP2 and triode V3-V4；
The cathode of the diode VD6 is connect with the first end of the resistance R4；The second end of the resistance R3 with it is described
The second end of slide rheostat RP2 connects；The base stage of the triode V5 is connect with the first end of the resistance R6；
The first end of the resistance R4 is connect with the first end of the resistance R7-R8 respectively；The second end of the resistance R4
It is connect with the first end of the slide rheostat RP1；The first end of the second end of the slide rheostat RP1 and the resistance R5
Connection；The second end of the resistance R5 is connect with the first end of the slide rheostat RP2, sliding end respectively；The sliding becomes
The sliding end of resistance device RP1 is connect with the base stage of the triode V3；The collector of the triode V3 respectively with the resistance R6-
The second end of R7 connects；The emitter of the triode V3 hair with the first end of the resistance R9, the triode V4 respectively
Emitter-base bandgap grading connection；The collector of the triode V4 is connect with the second end of the resistance R8；The base stage of the triode V4 and institute
State the first end connection of resistance R10；The second end of the slide rheostat RP2 connects with the second end of the resistance R9-R10 respectively
It connects；
The slide rheostat RP1-RP2 is used to adjust the dynamic range of output voltage；The triode V3-V4 is
NPN type triode.
The voltage-stabilizing output circuit includes capacitor C4 and diode VD7-VD8；
The first end of the resistance R8 is connect with the cathode of the diode VD7；The second end of the resistance R10 with it is described
The second end of capacitor C4 connects；The anode of the diode VD8 is connect with the first end of the resistance R10；
The cathode of the diode VD7 is connect with the first end of the capacitor C4；The diode VD7 anode with it is described
The cathode of diode VD8 connects；The both ends of the capacitor C4 are output voltage UO；The voltage range of the output voltage UO
DC150-250V。
The utility model makees the sampling comparison circuit of regulated power supply by a difference channel is introduced in general voltage regulator circuit, and right
The parameter of circuit has made adjustment appropriate, so that the out-put dynamic range of entire power supply substantially improves, value is up to 100V or so.
Its index are as follows:
Input AC 150V~250V, exporting each value on mono- 250V of direct current 150V can stablize, and stability is very high.
The power supply is suitble to long-term work with small, low in energy consumption feature is influenced by environment temperature.
The alternating voltage of 220V or so through mono- VD4 of bridge heap VDl rectify, C1, C2 filtering after, compound adjustment pipe collector with
The DC voltage of about 330V is obtained between ground, after the preposition voltage regulator circuit which forms via R1, VD5, can exported
End obtains the direct-flow steady voltage of mono- 250V of 150V.
VD5~VD8 is the zener diode of different size, they play certain pressure stabilization function in respective circuit.
VD5 and R1 forms preposition voltage regulator circuit.Its principle of stabilized voltage are as follows: since VD5 provides one to substrate, that is, V5 collector of V2
Stable voltage value ensure that and be in positively biased state by the emitter of V1, V2 multiple tube formed, not only can reduce steady
The fluctuation of the output voltage of voltage source, and the regulation of regulated power supply can be improved, while also reducing the defeated of regulated power supply
Impedance out.The emitter voltage of V5 is clamped the voltage Uce5 on a certain voltage, between the collector and emitter of such V5 by VD6
Would not be too big, solve the problems, such as that V5's is pressure-resistant.VD7, VD8 are the zener diodes of a pair of positive and negative temperature coefficient, very big
Influence of the temperature change to output is reduced in degree；The two also constitutes the rear end voltage regulator circuit of power supply simultaneously.
V2, V1 are the high power tube of same type, constitute compound adjustment pipe in circuit；It is the core of the power supply.C3
It is the ceramic disc capacitor for playing antihunt action.In order to further decrease influence of the temperature change to power supply, at the same it is full in order to obtain
The out-put dynamic range of meaning, the power supply make sampling comparison circuit using difference channel.Its advantage is that: voltage regulation result is good, not by temperature
Spend the influence of variation.Pressure stabilizing process is: as long as certain factor causes the variation of output voltage, being formed at the both ends of differential amplifier
Generation-a biggish voltage is then removed control V2 by one differential input voltage, and the end the CE voltage change of V1 draws output voltage
It returns, has the function that pressure stabilizing.
RP1 (being mounted on panel) is set in circuit, required output voltage can be obtained by adjusting RPl；RP2 is
It is set up to debug convenient.In debugging process, the dynamic range of output can be transferred to maximum in conjunction with RPl, RP2.RP2
Once mixing up, just not move again, most handy glue by sealing.
It should be noted that above-mentioned each technical characteristic continues to be combined with each other, the various embodiments not being enumerated above are formed,
It is accordingly to be regarded as the range of the utility model specification record；Also, it for those of ordinary skills, can be according to above stating
It is bright to be improved or converted, and all these modifications and variations all should belong to the protection model of the appended claims for the utility model
It encloses.
Claims (10)
1. a kind of low-power dissipation high pressure DC power supply, which is characterized in that filtered including the rectification with wider alternating voltage input range
It wave circuit, the power amplifier with pressure stabilization function, the sampling comparison circuit using difference channel as DC power supply and can reduce
The voltage-stabilizing output circuit that temperature influences；The current rectifying and wave filtering circuit is connect with the power amplifier；The power amplifier with it is described
Circuit connection is compared in sampling；The sampling comparison circuit is connect with the voltage-stabilizing output circuit.
2. a kind of low-power dissipation high pressure DC power supply according to claim 1, which is characterized in that the current rectifying and wave filtering circuit packet
It includes by the diode VD1-VD4 rectifier bridge formed and capacitor C1-C2.
3. a kind of low-power dissipation high pressure DC power supply according to claim 2, which is characterized in that AC power source UI with it is described whole
Flow the input terminal connection of bridge；The anode of the rectifier bridge is connect with the first end of the capacitor C1-C2；The cathode of the rectifier bridge
It is connect with the second end of the capacitor C1-C2；The voltage range of the AC power source UI is AC150-250V.
4. a kind of low-power dissipation high pressure DC power supply according to claim 1, which is characterized in that the power amplifier includes electricity
Hinder R1-R3, capacitor C3, diode VD5-VD6 and triode V1, V2, V5.
5. a kind of low-power dissipation high pressure DC power supply according to claim 4, which is characterized in that the second end of the capacitor C3
It is connect with the second end of the resistance R3；The first end of the resistance R3 respectively with positive, described three poles of the diode VD6
The emitter of pipe V5 connects；The cathode of the diode VD6 is respectively with positive, the described triode V2's of the diode VD5
Emitter connection；The cathode of the diode VD5 connects with the second end of the resistance R1, the first end of the resistance R2 respectively
It connects；The first end of the resistance R1 is connect with the collector of the triode V1；The base stage of the triode V1 respectively with it is described
The collector connection of the first end of capacitor C3, the second end of the resistance R2, the triode V5；The transmitting of the triode V1
Pole is connect with the base stage of the triode V2.
6. a kind of low-power dissipation high pressure DC power supply according to claim 4 or 5, which is characterized in that the diode VD5
Model IN167；The model IN4735 of the diode VD6；The model of the triode V1-V2 is 3DD102C；Institute
Stating triode V5 is NPN type triode；The capacitor C3 is the ceramic disc capacitor of antihunt action.
7. a kind of low-power dissipation high pressure DC power supply according to claim 1, which is characterized in that the sampling comparison circuit packet
Include resistance R4-R10, slide rheostat RP1-RP2 and triode V3-V4.
8. a kind of low-power dissipation high pressure DC power supply according to claim 7, which is characterized in that the first end of the resistance R4
It is connect respectively with the first end of the resistance R7-R8；The first end of the second end of the resistance R4 and the slide rheostat RP1
Connection；The second end of the slide rheostat RP1 is connect with the first end of the resistance R5；The second end of the resistance R5 is distinguished
It is connect with the first end of the slide rheostat RP2, sliding end；The sliding end and the triode of the slide rheostat RP1
The base stage of V3 connects；The collector of the triode V3 is connect with the second end of the resistance R6-R7 respectively；The triode V3
Emitter connect respectively with the emitter of the first end of the resistance R9, the triode V4；The current collection of the triode V4
Pole is connect with the second end of the resistance R8；The base stage of the triode V4 is connect with the first end of the resistance R10；The cunning
The second end of dynamic rheostat RP2 is connect with the second end of the resistance R9-R10 respectively.
9. a kind of low-power dissipation high pressure DC power supply according to claim 7 or 8, which is characterized in that the sliding variable resistance
Device RP1-RP2 is used to adjust the dynamic range of output voltage；The triode V3-V4 is NPN type triode.
10. a kind of low-power dissipation high pressure DC power supply according to claim 1-5, which is characterized in that the pressure stabilizing
Output circuit includes capacitor C4 and diode VD7-VD8；The first end of the cathode of the diode VD7 and the capacitor C4 connect
It connects；The anode of the diode VD7 is connect with the cathode of the diode VD8；The both ends of the capacitor C4 are output voltage UO；
The voltage range DC150-250V of the output voltage UO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123670.9U CN209375461U (en) | 2018-12-18 | 2018-12-18 | A kind of low-power dissipation high pressure DC power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123670.9U CN209375461U (en) | 2018-12-18 | 2018-12-18 | A kind of low-power dissipation high pressure DC power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209375461U true CN209375461U (en) | 2019-09-10 |
Family
ID=67833243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822123670.9U Expired - Fee Related CN209375461U (en) | 2018-12-18 | 2018-12-18 | A kind of low-power dissipation high pressure DC power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209375461U (en) |
-
2018
- 2018-12-18 CN CN201822123670.9U patent/CN209375461U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103179764A (en) | LED lamp with self-adaption drive circuit and self-adaption drive circuit | |
| CN207801762U (en) | Remote power feeding central office terminal circuit and remote power feeding central office terminal | |
| CN209375461U (en) | A kind of low-power dissipation high pressure DC power supply | |
| CN217904258U (en) | OLED power supply circuit | |
| CN208461713U (en) | A kind of inversion control module and power supply | |
| CN215452517U (en) | Efficient active filter circuit | |
| CN106484068A (en) | A kind of computer display card constant current-supplying circuit | |
| CN203616921U (en) | Tandem type regulated power supply circuit for teaching | |
| CN209344843U (en) | A kind of portable middle low power direct current mobile power source of exploration | |
| CN204271611U (en) | A kind of alternating current inputting over/under voltage protective circuit | |
| CN208128142U (en) | A kind of high precision electro source circuit | |
| CN203504440U (en) | High-power linear output high-voltage stabilizer | |
| CN207603471U (en) | A kind of switching circuit that power output is improved using single-ended forward type driving circuit | |
| CN209313738U (en) | A kind of high voltage direct current voltage regulator circuit and power supply | |
| CN107659180A (en) | A kind of thyristor type voltage regulation type decompression rectification power circuit | |
| CN216290679U (en) | Voltage stabilizing module for artificial diamond ion sputtering instrument | |
| CN207835372U (en) | Stepping motor control circuit for generating set | |
| CN213027846U (en) | Voltage-stabilizing direct-current power supply circuit | |
| CN104168693B (en) | A kind of LED filter regulator circuit | |
| CN218549751U (en) | Audio power amplifier power supply circuit | |
| CN208782736U (en) | A kind of high stability video monitoring power supply unit | |
| CN208836002U (en) | A kind of high-power adjustable constant voltage driving power | |
| CN214427828U (en) | Temperature control circuit | |
| CN218648734U (en) | Low-power high-voltage constant-voltage source circuit | |
| CN206620067U (en) | A kind of adjustable voltage-stabilized power supply of voltage |
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: 20190910 Termination date: 20191218 |