CN201229512Y - Voltage regulator - Google Patents
Voltage regulator Download PDFInfo
- Publication number
- CN201229512Y CN201229512Y CNU2008201037770U CN200820103777U CN201229512Y CN 201229512 Y CN201229512 Y CN 201229512Y CN U2008201037770 U CNU2008201037770 U CN U2008201037770U CN 200820103777 U CN200820103777 U CN 200820103777U CN 201229512 Y CN201229512 Y CN 201229512Y
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- voltage
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- output
- voltage regulator
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- 230000033228 biological regulation Effects 0.000 claims abstract description 18
- 238000005070 sampling Methods 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000002964 excitative effect Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model relates to a voltage regulator, in particular to an electronic device which is matched in use with electromechanical devices, such as an electric motor, a water pump and the like and is used for improving the working state of electric appliances, wherein an input terminal A (2), an input terminal B (4), an output terminal A (3) and an output terminal B (5) are fixed on the external wall of a shell body (1), a circuit board (6) is fixed in the shell body (1), and the circuit board (6) mainly comprises a rectifier circuit, a voltage sampling circuit, a voltage regulating threshold circuit, a voltage regulating delay circuit, an output control circuit, a booster transformer, a follow current capacitor and the like. Especially, the device still can start the operation when the voltage drop of the starting line of a device with big power is very large due to heavy load, long line and unstableness of the network voltage, when the network voltage is recovered, the direct current power supply is switched to supply the power supply, thereby the circuit is simple and compact, the voltage regulation is timely and accurate, the efficiency is higher, and the normal, stable and continuous start, stop and work of the device can be fully guaranteed.
Description
Technical field:
The utility model relates to a kind of electronic device that is used to improve the electrical work state, especially voltage regulator that is used with electromechanical equipments such as motor, water pumps.
Background technology:
Along with, similar products in the market generally all are to be used on the household electrical appliance, when carrying out the pressure regulation switching, because the disconnection and the closure of relay contact need the regular hour, so have of short duration no-voltage condition at output terminal, it affects to load.
Chinese patent application number 94195132 voltage regulators, wherein series pass transistor and an amplifier transistor are complementary types.Flow to load from the supply current of the direct supply emitter-collector path by series pass transistor.This magnitude of current is by the negative feedback control signal control of being coupled to the amplifier transistor base stage from adjusted output voltage, and it drives the base stage of series pass transistor in turn.The emitter-coupled to one of an amplifier transistor voltage less than regulated DC output voltages is so that reduce the right driving requirement of this transistor.Chinese patent application number 200,410,079,433 1 kinds of regulators, be used for converting the input voltage of power supply to output voltage, this regulator comprises at least two conductive switchs, conductive switch passes to output terminal with energy from power supply, each conductive switch carries out work with about 50% dutycycle, at least two inductors are connected with at least two conductive switchs, the coiling on common core of above-mentioned at least two inductors, the polarity that each inductor had makes the DC current in these inductors cancel each other out, inductor has approximately the coupling coefficient greater than 0.99, at least two current stabilization switches are connected with at least two conductive switchs, being current supplying path in the non-conduction cycle, drive signal generator produces drive signal, is used at least two conductive switchs of control.Chinese patent application numbers 200720001893.7, voltage regulator and voltage-regulating system, wherein voltage regulator comprises that an excitatory driver element is connected in the magnetizing coil of generator, and is excitatory in order to drive this magnetizing coil; One builds pressure driving/leakproof current unit is connected in this storage battery and this excitatory driver element, is used for receiving battery voltage, and drives this excitatory driver element action, and then allow generator finish voltage foundation under the slow-speed of revolution; One excitatoryly is connected in this excitatory driver element by the unit and builds with this and press drivings/leakproof current unit, and after generator is finished voltage and set up, the voltage that foundation has been set up and end this excitatory driver element.Voltage-regulating system is connected to form by aforesaid voltage regulator, a generator, a storage battery, a warning lamp and a starting switch.
Above related art scheme respectively has improvement, but still needs more perfect effective technology scheme open.
Summary of the invention:
The purpose of this utility model provides a kind of when non-steady state appears in supply line's voltage, and effective regulation voltage reduces the influence that electronic equipment causes equipment to stagnate because of the supply voltage amplitude of variation when big, i.e. voltage regulator.
The measure that realizes the present utility model purpose comprises: the fixing input of housing outer wall, lead-out terminal, housing internal fixation circuit board, circuit board is mainly by rectification circuit, voltage sample circuit, pressure regulation threshold circuit, compositions such as pressure regulation delay circuit, output control circuit, step-up transformer and afterflow electric capacity.
Advantage of the present utility model is: circuit board comprises rectification circuit, voltage sample circuit, pressure regulation threshold circuit, pressure regulation delay circuit, output control circuit, step-up transformer and afterflow electric capacity between input, the output terminal.Especially heavy at network load, circuit is long, unstable, when causing powerful device startup line drop very big, voltage is lower than the release voltage of A.C. contactor, A.C. contactor will discharge the major loop outage, equipment can not turn round, if can make the voltage of supplying with ac contactor coil be elevated to the release voltage that is not less than A.C. contactor starting moment, equipment still can starting operation, after line voltage gos up, changes direct power supply again over to, circuit is succinct, compact, voltage-regulation promptly and accurately, efficient is higher, can fully keep equipment normal, stable, continue to open and close and work.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the circuit diagram of the utility model embodiment 1.
Reference numeral comprises: housing 1, input A2, output A3, input B4, output B5, circuit board 6.
Embodiment:
Embodiment 1: the fixing input of housing 1 outer wall A2, output A3, input B4, output B5 terminal, housing 1 internal fixation circuit board 6.
Alternating current is from A
1, A
2The point input is through D
1, D
2, D
4, D
5The about 10V DC voltage of rectification output, line voltage is taken a sample by R
7, R
4Dividing potential drop obtains through C
1Filtering is by the input of 6 pin of LM324, compares with the threshold voltage of 5 stable pin.13 pin, 9 pin all obtain the voltage of a stable about 3V from 1 pin.7 pin output send 12 pin relatively once more, and the output of 14 pin is after the one-way delay loop, send adhesive that 10 pin, the output of 8 pin drives pilot relay K1 behind the Q1 and discharges A when adhesive
3Tap is joined with " input B ", and this moment, transformer played the effect of boosting.When relay discharged, " input B " and " output B " directly connected.
The afterflow capacitor C
4Be connected across between " output A " and " output B ", generally between 0.22uF to 6.8uF, it can make the contact of K1 change moment to its capacity, and the A.C. contactor adhesive that output terminal is connect is stable.
Rectification circuit is by D
1, D
2, D
4, D
5Form the direct supply that an about 10V is provided, voltage sample circuit is by R
7, R
4And C
1Form, sampled signal send 6 pin of LM324.D
3Effect be to isolate C
2When line voltage descends, sampling voltage is produced blunt influence, because of C
2Be jumbo electric capacity when line voltage descends, the decline of will delaying time of its terminal voltage, D
3Can stop this voltage to return D
3Anode.The pressure regulation threshold circuit is by R
8, D
7, R
10, R
5, U1A, D
8, D
9Form voltage stabilizing diode D
7Two ends produce a voltage reference, and the voltage of its negative terminal is through R
10, R
5Send 3 pin of LM324 after the dividing potential drop, 1 pin is also exported a stable voltage simultaneously, the D after passing through and connecing
8, D
9Connect 5 pin of LM324.When 7 pin output noble potential, the voltage of 5 pin is exactly that 1 pin voltage adds D
9Forward voltage drop.When 7 pin output electronegative potential, the voltage of 5 pin is exactly that 1 pin voltage deducts D
8Forward voltage drop, so be exactly a stable pressure regulation thresholding benchmark at 5 pin of LM324.The pressure regulation delay circuit is by D
10, R
18, C
3Form,, export to 10 pin of LM324 by the 14 pin input of LM324.It has the one-way delay characteristic.When 14 pin voltages during by low uprising, electric current passes through D
10Give C
3Rapid charge.10 pin voltages are uprised by low fast.When 14 pin voltages during by high step-down, C
3Pass through R
18Discharge at a slow speed, 10 pin voltages are step-down at a slow speed.Purpose of design herein is to work as the voltage that voltage die rapid output of moment raises, and delays time after voltage gos up and withdraws from pressure-increasning state.Facts have proved that overvoltage in short-term is also harmless concerning the coil that exchanges contact.The output control circuit signal is exported through R by 8 pin of LM324
12Meet Q
1, pilot relay K
1Adhesive and disconnection.Work as K
1During adhesive, voltage is not through R
11Make Q
2Conducting.Electric current passes through R
14Consume portion of energy, make the voltage of rectification output more stable.Step-up transformer B is that as required power selects for use common iron core, enameled wire coiling to form.
The pressure regulation threshold circuit is by R
8, D
7, R
10, R
5, U1A, D
8, D
9Form voltage stabilizing diode D
7Two ends produce a voltage reference, and the voltage of its negative terminal is through R
10, R
5Send 3 pin of LM324 after the dividing potential drop, 1 pin is also exported a stable voltage simultaneously, the D after passing through and connecing
8, D
9Connect 5 pin of LM324.
Voltage sample circuit is by R
7, R
4And C
1Form, sampled signal send 6 pin of LM324.D
3Effect be to isolate C
2When line voltage descends, sampling voltage is produced blunt influence, because of C2 be a jumbo electric capacity when line voltage descends, the decline of will delaying time of its terminal voltage, D
3Can stop this voltage to return D
3Anode.
Selecting for use of components and parts: all the other equal 1/6W beyond resistance R 14, the R13 power 2W, R7, R5 are adjustable resistance, and diode D1-D6 is IN4007, and D8-D10 is 4148, and D7 is the 6.2V stabilivolt, and Q1, Q2 are the S8050 transistor, and amplifier is LM324 etc.
Circuit board comprises rectification circuit, voltage sample circuit, pressure regulation threshold circuit between the input of present embodiment, the output terminal, pressure regulation delay circuit, output control circuit, step-up transformer and afterflow electric capacity.Especially heavy at network load, circuit is long, unstable, when causing powerful device startup line drop very big, voltage is lower than the release voltage of A.C. contactor, A.C. contactor will discharge the major loop outage, equipment can not turn round, if can make the voltage of supplying with ac contactor coil be elevated to the release voltage that is not less than A.C. contactor starting moment, just energy starting operation of electric pump, after line voltage gos up, change direct power supply again over to, circuit is succinct, compactness, voltage-regulation are promptly and accurately, efficient is higher, can fully keep equipment normal, stable, continue to open and close and work.
Claims (5)
1. voltage regulator, it is characterized in that, the fixing input of housing (1) outer wall A (2), B (4), output A (3), B (5) terminal, housing (1) internal fixation circuit board (6), circuit board (6) is mainly by rectification circuit, voltage sample circuit, pressure regulation threshold circuit, compositions such as pressure regulation delay circuit, output control circuit, step-up transformer and afterflow electric capacity.
2. voltage regulator as claimed in claim 1 is characterized in that, the afterflow capacitor C
4Be connected between output A (3) and the output B (5), its capacity is generally between 0.22uF-6.8uF.
3. voltage regulator as claimed in claim 1 is characterized in that the pressure regulation threshold circuit is by R
8, D
7, R
10, R
5, U1A, D
8, D
9Form voltage stabilizing diode D
7Two ends produce a voltage reference, and the voltage of its negative terminal is through R
10, R
5Send 3 pin of LM324 after the dividing potential drop, 1 pin is also exported a stable voltage simultaneously, the D after passing through and connecing
8, D
9Connect 5 pin of LM324.
4. voltage regulator as claimed in claim 1 is characterized in that voltage sample circuit is by R
7, R
4And C
1Form, sampled signal send 6 pin of LM324, D
3Effect be to isolate C
2When line voltage descends, sampling voltage is produced blunt influence, because of C2 be a jumbo electric capacity when line voltage descends, the decline of will delaying time of its terminal voltage, D
3Can stop this voltage to return D
3Anode.
5. as claim 2,3,4, described voltage regulator, it is characterized in that, all the other equal 1/6W beyond resistance R 14, the R13 power 2W, R7, R5 are adjustable resistance, diode D1-D6 is IN4007, and D8-D10 is 4148, and D7 is the 6.2V stabilivolt, Q1, Q2 are the S8050 transistor, and amplifier is LM324.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201037770U CN201229512Y (en) | 2008-07-16 | 2008-07-16 | Voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201037770U CN201229512Y (en) | 2008-07-16 | 2008-07-16 | Voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201229512Y true CN201229512Y (en) | 2009-04-29 |
Family
ID=40634457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201037770U Expired - Fee Related CN201229512Y (en) | 2008-07-16 | 2008-07-16 | Voltage regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201229512Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834839A (en) * | 2017-10-19 | 2018-03-23 | 深圳南云微电子有限公司 | A kind of contactor electricity-saving appliance |
| CN109585223A (en) * | 2018-12-05 | 2019-04-05 | 深圳南云微电子有限公司 | A kind of contactor control circuit |
-
2008
- 2008-07-16 CN CNU2008201037770U patent/CN201229512Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834839A (en) * | 2017-10-19 | 2018-03-23 | 深圳南云微电子有限公司 | A kind of contactor electricity-saving appliance |
| CN107834839B (en) * | 2017-10-19 | 2020-02-14 | 深圳南云微电子有限公司 | Contactor electricity-saving device |
| CN109585223A (en) * | 2018-12-05 | 2019-04-05 | 深圳南云微电子有限公司 | A kind of contactor control circuit |
| CN109585223B (en) * | 2018-12-05 | 2020-02-14 | 深圳南云微电子有限公司 | Contactor control circuit |
| WO2020114247A1 (en) * | 2018-12-05 | 2020-06-11 | 广州金升阳科技有限公司 | Control circuit for contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20110716 |