CN207281637U - Regulator circuit plate - Google Patents
Regulator circuit plate Download PDFInfo
- Publication number
- CN207281637U CN207281637U CN201721176905.XU CN201721176905U CN207281637U CN 207281637 U CN207281637 U CN 207281637U CN 201721176905 U CN201721176905 U CN 201721176905U CN 207281637 U CN207281637 U CN 207281637U
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- CN
- China
- Prior art keywords
- circuit
- amplifier
- electrically connected
- transistor
- metal oxide
- 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
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- Continuous-Control Power Sources That Use Transistors (AREA)
Abstract
The utility model discloses a kind of regulator circuit plate, it includes voltage stabilizing main circuit and control sub-circuit, control sub-circuit includes controller and transistor switch, the input terminal of transistor switch and the transmission voltage of circuit external are electrically connected, the output terminal of transistor switch is electrically connected with voltage stabilizing main circuit, the signal end of transistor switch is electrically connected with controller, and analog circuit is equipped with controller；Voltage stabilizing main circuit includes the first amplifier, the second amplifier, the first type metal oxide semiconductor transistor, Second-Type metal oxide semiconductor transistor, transmission network block, feedback circuit, and the input terminal of the first type metal oxide semiconductor transistor and the output terminal of transistor switch are electrically connected.The utility model regulator circuit harden structure is simple, and component is of low cost, can be the reliable output voltage of circuit with stable, extends the service life of electric appliance.
Description
Technical field
A kind of circuit board is the utility model is related to, more particularly to a kind of regulator circuit plate.
Background technology
Regulator circuit in traditional circuit is influenced by its load switching structure, and Current Voltage can produce electricity during voltage stabilizing
Phenomenon is pressed, overvoltage refers to that alternating voltage root-mean-square value raises under power frequency, the 10% of overrate, and the duration is more than 1
The long-time variation in voltage phenomenon of minute, this can seriously affect the Electrical Safety of electrical appliance, and electricity consumption can be even produced when serious
Security incident.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of regulator circuit plate, its is simple in structure, component into
This is cheap, can be the reliable output voltage of circuit with stable, extend the service life of electric appliance.
The utility model is to solve above-mentioned technical problem by following technical proposals：A kind of regulator circuit plate, it is wrapped
Voltage stabilizing main circuit and control sub-circuit are included, control sub-circuit includes controller and transistor switch, the input terminal of transistor switch
It is electrically connected with the transmission voltage of circuit external, output terminal and the voltage stabilizing main circuit of transistor switch are electrically connected, and transistor is opened
The signal end of pass is electrically connected with controller, and analog circuit is equipped with controller；Voltage stabilizing main circuit includes the first amplifier, second
It is amplifier, the first type metal oxide semiconductor transistor, Second-Type metal oxide semiconductor transistor, transmission network block, anti-
Current feed circuit, the input terminal of the first type metal oxide semiconductor transistor and the output terminal of transistor switch are electrically connected, and first
It is parallel with the signal end of transmission network block one end and the first amplifier on the signal end of type metal oxide semiconductor transistor, first
The negative pole end of amplifier is electrically connected with external reference voltage ref, the cathode of the positive terminal of the first amplifier and the second amplifier
End is together connected in parallel on feedback circuit one end, and negative pole end and the external reference voltage ref of the second amplifier are electrically connected, transmission network
It is parallel with the signal end of the second amplifier and the signal end of Second-Type metal oxide semiconductor transistor on the block other end, second
The input terminal of type metal oxide semiconductor transistor and the transmission voltage of circuit external are electrically connected, the first type metal oxide
The output terminal of semiconductor transistor, the output terminal of Second-Type metal oxide semiconductor transistor, the feedback circuit other end are simultaneously
It is coupled in the load outside voltage stabilizing main circuit.
Preferably, the signal end of the signal end of first amplifier and Second-Type metal oxide semiconductor transistor it
Between be equipped with test voltage end.
Preferably, the controller is equipped with light-load mode and heavily loaded pattern.
The positive effect of the utility model is：The utility model regulator circuit harden structure is simple, component cost
It is cheap, it can be the reliable output voltage of circuit with stable, extend the service life of electric appliance.
Brief description of the drawings
Fig. 1 is the circuit diagram of the utility model regulator circuit plate.
Embodiment
The utility model preferred embodiment is provided below in conjunction with the accompanying drawings, to describe the technical solution of the utility model in detail.
As shown in Figure 1, the utility model regulator circuit plate includes voltage stabilizing main circuit 100 and control sub-circuit 200, control
Circuit 200 includes controller L200 and transistor switch P1, the input terminal S1 of transistor switch P1 and the transmission electricity of circuit external
V1 is pressed to be electrically connected, output terminal S2 and the voltage stabilizing main circuit 100 of transistor switch P1 are electrically connected, the signal of transistor switch P1
Hold S3 and controller L200 to be electrically connected, analog circuit K200 is equipped with controller L200；Voltage stabilizing main circuit 100 is put including first
Big device Q1, the second amplifier Q2, the first P-type mos transistor P2, the second P-type mos are brilliant
Body pipe P3, transmission network block M1, feedback circuit N1, the input terminal S1 and crystal of the first P-type mos transistor P2
The output terminal S2 of pipe switch P1 is electrically connected, and is parallel with the signal end S3 of the first P-type mos transistor P2
Transmission network block M1 one end and the signal end of the first amplifier Q1, negative pole end and the external reference voltage Vref electricity of the first amplifier Q1
Property connection, the positive terminal of the positive terminal of the first amplifier Q1 and the second amplifier Q2 is together connected in parallel on feedback circuit N1 one end,
The negative pole end of second amplifier Q2 is electrically connected with external reference voltage Vref, and being parallel with second on the transmission network block M1 other ends puts
The signal end of big device Q2 and the signal end S3 of the second P-type mos transistor P3, the second p-type metal oxide half
The input terminal S1 of conductor transistor P3 and the transmission voltage V1 of circuit external are electrically connected, the first P-type mos
The output terminal S2 of transistor P2, the output terminal S2 of the second P-type mos transistor P3, the feedback circuit N1 other ends
It is connected in parallel on the load J1 outside voltage stabilizing main circuit 100.
Set between the signal end S3 of the signal end of first amplifier Q1 and the second P-type mos transistor P3
There are test voltage end V2, test voltage end V2 to be used to test and record the signal end and the second p-type metal oxygen of the first amplifier Q1
Voltage data between the signal end S3 of compound semiconductor transistor P3, so analyzes according to voltage data and monitors regulator circuit
The voltage regulation result of plate.
Controller L200 is equipped with light-load mode and heavily loaded pattern, and controller L200 is to transistor switch P1's during heavily loaded pattern
Signal end S3 outputs level signals, input terminal S1 the conducting output terminal S2, controller L200 during light-load mode of transistor switch P1
Output terminal S2 is not turned on to the signal end S3 outputs level signals of transistor switch P1, the input terminal S1 of transistor switch P1,
The working status of voltage stabilizing main circuit 100 is so controlled by controller L200.
The operation principle of the utility model is as follows：When controller enters heavily loaded pattern by light-load mode, transistor switch
Input terminal turned on output terminal, voltage stabilizing main circuit enters voltage stabilizing working status and receives exterior transmission voltage, and voltage passes through the
Load current after one amplifier in voltage stabilizing main circuit rises rapidly, passes through the electric current of the first amplifier（That is the first driving current）
Due to the output terminal of the first P-type mos transistor and the potential difference of input terminal, to be still maintained at initial potential poor,
So restrictive condition is not present in load current propradation, as load current rises, the second P-type mos are brilliant
The output terminal of body pipe and the potential difference of input terminal produce change, and potential difference is connect after the amplification of the second amplifier by feedback circuit
Receive, feedback circuit adjusts the load current transmision peak of transmission unit, and load current declines, therefore electric current will not during voltage stabilizing
Generation overvoltage phenomenon, extends the service life of electric appliance.
In conclusion the utility model regulator circuit harden structure is simple, component is of low cost, can be provided for circuit surely
Fixed reliable output voltage, extends the service life of electric appliance.
Particular embodiments described above, technical problem, technical solution and the beneficial effect of the solution to the utility model
It is further described, it should be understood that the foregoing is merely specific embodiment of the utility model, not
For limiting the utility model, where within the spirit and principles of the present invention, any modification for being made, equivalent substitution, change
Into etc., it should be included within the scope of protection of this utility model.
Claims (3)
1. a kind of regulator circuit plate, it is characterised in that it includes voltage stabilizing main circuit and control sub-circuit, and control sub-circuit includes control
Device and transistor switch processed, the input terminal of transistor switch and the transmission voltage of circuit external are electrically connected, transistor switch
Output terminal is electrically connected with voltage stabilizing main circuit, and signal end and the controller of transistor switch are electrically connected, and mould is equipped with controller
Intend circuit；Voltage stabilizing main circuit includes the first amplifier, the second amplifier, the first type metal oxide semiconductor transistor, second
Type metal oxide semiconductor transistor, transmission network block, feedback circuit, the input of the first type metal oxide semiconductor transistor
End and the output terminal of transistor switch are electrically connected, and biography is parallel with the signal end of the first type metal oxide semiconductor transistor
Defeated net block one end and the signal end of the first amplifier, negative pole end and the external reference voltage ref of the first amplifier are electrically connected, the
The positive terminal of the positive terminal of one amplifier and the second amplifier is together connected in parallel on feedback circuit one end, the anode of the second amplifier
End is electrically connected with external reference voltage ref, and the signal end and Second-Type of the second amplifier are parallel with the transmission network block other end
The signal end of metal oxide semiconductor transistor, the input terminal and circuit external of Second-Type metal oxide semiconductor transistor
Transmission voltage be electrically connected, output terminal, the Second-Type metal oxide of the first type metal oxide semiconductor transistor are partly led
Output terminal, the feedback circuit other end of body transistor are connected in parallel in the load outside voltage stabilizing main circuit.
2. regulator circuit plate as claimed in claim 1, it is characterised in that signal end and the Second-Type gold of first amplifier
Test voltage end is equipped between the signal end of category oxide semi conductor transistor.
3. regulator circuit plate as claimed in claim 1, it is characterised in that the controller is equipped with light-load mode and heavily loaded mould
Formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721176905.XU CN207281637U (en) | 2017-09-14 | 2017-09-14 | Regulator circuit plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721176905.XU CN207281637U (en) | 2017-09-14 | 2017-09-14 | Regulator circuit plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207281637U true CN207281637U (en) | 2018-04-27 |
Family
ID=61989232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721176905.XU Expired - Fee Related CN207281637U (en) | 2017-09-14 | 2017-09-14 | Regulator circuit plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207281637U (en) |
-
2017
- 2017-09-14 CN CN201721176905.XU patent/CN207281637U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190212 Address after: 215300 Huatao Road 162, Qiandang Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Kunshan Datang Electronics Co., Ltd. Address before: 215300 Qianyang Road, Qiandeng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Kunshan Wanzheng Printed Circuit Board Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20200914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |