CN207542991U - A kind of surge regulator circuit - Google Patents
A kind of surge regulator circuit Download PDFInfo
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- CN207542991U CN207542991U CN201721435651.9U CN201721435651U CN207542991U CN 207542991 U CN207542991 U CN 207542991U CN 201721435651 U CN201721435651 U CN 201721435651U CN 207542991 U CN207542991 U CN 207542991U
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Abstract
The utility model discloses a kind of surge regulator circuits, are related to field of circuit technology, which includes：Input, output end and switching circuit；Switching circuit includes：First resistor, the first voltage-stabiliser tube, field-effect tube and diode；The first end of first resistor is connected with the anode of input terminal, and the second end of first resistor is connected with the cathode of the first voltage-stabiliser tube；The cathode of diode is connected with the drain electrode of field-effect tube, and the anode of diode is connected with the source electrode of field-effect tube；The drain electrode of field-effect tube is connected with the first end of first resistor, and the grid of field-effect tube is connected with the second end of first resistor, and the source electrode of field-effect tube is connected with the anode of output terminal；The anode of the cathode of input terminal, the cathode of output terminal and the first voltage-stabiliser tube is grounded.It solves and is being initially powered up moment, the problem of starting of oscillation is easily damaged switching tube and other components during this period using the Switching Power Supply of direct current supply, achieved the effect that protection switch pipe and other components.
Description
Technical field
The utility model is related to field of circuit technology, especially a kind of surge regulator circuit.
Background technology
Surge refers to that the peak value beyond stationary value occurs in moment.When the electrical equipment of certain large capacities is switched on or switched off,
Since there are inductance, surge voltage can be generated on power grid in power grid.
Due to being initially powered up moment, exchange 380V is in rectification and filtering moment will appear unstable constant voltage and spike is done
It disturbs and waits voltages, if the Switching Power Supply starting of oscillation during this period that direct current 510V is taken to power, is easily damaged switching tube and other yuan
Device.
Utility model content
The utility model is regarding to the issue above and technical need, it is proposed that a kind of surge regulator circuit.
The technical solution of the utility model is as follows：
A kind of surge regulator circuit, the circuit include：For DC power supply is provided input terminal, open for pole after connection
The output terminal in powered-down source and the switching circuit being connected between the input terminal and the output terminal；
The switching circuit includes：First resistor, the first voltage-stabiliser tube, field-effect tube and diode；
The first end of the first resistor is connected with the anode of the input terminal, the second end of the first resistor with it is described
The cathode of first voltage-stabiliser tube is connected；The cathode of the diode is connected with the drain electrode of the field-effect tube, the sun of the diode
Pole is connected with the source electrode of the field-effect tube；The drain electrode of the field-effect tube is connected with the first end of the first resistor, described
The grid of field-effect tube is connected with the second end of the first resistor, the anode of the source electrode of the field-effect tube and the output terminal
It is connected；The anode of the cathode of the input terminal, the cathode of the output terminal and first voltage-stabiliser tube is grounded.
Its further technical solution is：The switching circuit further includes：Second resistance；The second resistance is connected to institute
It states between the grid of field-effect tube and source electrode.
Its further technical solution is：The switching circuit further includes：Second voltage-stabiliser tube；The moon of second voltage-stabiliser tube
Pole is connected with the grid of the field-effect tube, and the anode of second voltage-stabiliser tube is connected with the source electrode of the field-effect tube.
Its further technical solution is：The voltage value of first voltage-stabiliser tube is predetermined threshold, and the predetermined threshold is
It is determined according to the voltage value of the DC power supply.
Its further technical solution is：First voltage-stabiliser tube is composed in series by n voltage-stabiliser tube, and the n steady
The sum of voltage value of pressure pipe is the predetermined threshold, and n is positive integer.
The advantageous effects of the utility model are：
The utility model between DC power supply and Switching Power Supply by setting a surge regulator circuit, in DC power supply
After stabilization, field-effect tube conducting, DC power supply is powered for Switching Power Supply, solves and be initially powered up moment, supplied using direct current
Switching Power Supply the problem of starting of oscillation is easily damaged switching tube and other components during this period of electricity, reached protection switch pipe and
The effect of the stability of other components and raising Switching Power Supply.
Description of the drawings
Fig. 1 is a kind of circuit diagram of surge regulator circuit.
Fig. 2 is the circuit diagram of another surge regulator circuit.
Fig. 3 is the circuit diagram of another surge regulator circuit.
Specific embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is a kind of circuit diagram of surge regulator circuit, as shown in Figure 1, the surge regulator circuit includes：It is straight for providing
The input terminal 110 in galvanic electricity source, for connecting valve power supply output terminal 120 and be connected between input terminal 110 and output terminal 120
Switching circuit 130.
Wherein, switching circuit 130 includes：First resistor 131, the first voltage-stabiliser tube 132, field-effect tube 133 and diode
134。
As shown in Figure 1, the first end of first resistor 131 is connected with the anode of input terminal 110, the second of first resistor 131
End is connected with the cathode of the first voltage-stabiliser tube 132, and the cathode of diode 134 is connected with the drain electrode of field-effect tube 133, diode 134
Anode be connected with the source electrode of field-effect tube 133, the drain electrode of field-effect tube 133 is connected with the first end of first resistor 131, field effect
Should the grid of pipe 133 be connected with the second end of first resistor 131, the source electrode of field-effect tube 133 and the anode phase of output terminal 120
Even, the anode of the cathode of input terminal 110, the cathode of output terminal 120 and the first voltage-stabiliser tube 132 is grounded.
The effect of first resistor 131 is sampling partial pressure.
The determining conduction threshold of the effect of first voltage-stabiliser tube 132 carries out voltage stabilizing, since DC power supply exists according to conduction threshold
It is that curve rises to open moment, when the voltage of the first voltage-stabiliser tube 132 reaches conduction threshold, shows that DC power supply rises to surely
Definite value, at this time field-effect tube 133 be connected, DC power supply be Switching Power Supply power supply.
The effect of diode 134 is to absorb damping.
Optionally, as shown in Fig. 2, switching circuit 130 further includes：Second resistance 135, second resistance 135 are connected to field effect
It should be between the grid and source electrode of pipe 133.
Second resistance 135 absorbs protective resistance for the control pole of field-effect tube 133.
Optionally, as shown in Fig. 2, switching circuit 130 further includes：Second voltage-stabiliser tube 136, the cathode of the second voltage-stabiliser tube 136
It is connected with the grid of field-effect tube 133, the anode of the second voltage-stabiliser tube 136 is connected with the source electrode of field-effect tube 133.
Second voltage-stabiliser tube 136 is used to ensure the control pole voltage limit of field-effect tube 133.
Optionally, the voltage value of the first voltage-stabiliser tube 132 is predetermined threshold, and predetermined threshold is the voltage value according to DC power supply
Determining, such as：The voltage value of DC power supply is 510V, and predetermined threshold could be provided as 400V.
Optionally, the first voltage-stabiliser tube 132 can be composed in series by n voltage-stabiliser tube, and the sum of voltage value of n voltage-stabiliser tube etc.
In predetermined threshold, n is positive integer.
Illustratively, as shown in figure 3,380V alternating currents obtain the direct current of 510V, direct current 510V through over commutation and filtering
Surge regulator circuit is connected to, which is the surge voltage stabilizing copped wave output circuit of direct current 510V power 300W.Wherein,
It inputs plug-in unit J1 to input for direct current 510V, output inserter J2 is exported for direct current 510V, and direct current 510V passes through resistance R1 (2W 220k)
Voltage stabilizing, voltage-stabiliser tube Z1, voltage-stabiliser tube are carried out by the voltage-stabiliser tube of voltage-stabiliser tube Z1 to the voltage-stabiliser tube Z6 492V being composed in series after sampling partial pressure
Z2, voltage-stabiliser tube Z3, voltage-stabiliser tube Z4, voltage-stabiliser tube Z5, voltage-stabiliser tube Z6 are the voltage-stabiliser tube of " C82 5T ", and voltage-stabiliser tube Z7 is " C15 5T "
Voltage-stabiliser tube, resistance R2 (0.25W 510k) is connected between the grid of NMOS tube and source electrode, the model that NMOS tube is chosen
The cathode of K3878, diode D1 (model 1N4007) are connected with the drain electrode of NMOS tube, the anode of diode D1 and NMOS tube
Source electrode is connected, and the source electrode of NMOS tube is connected to the anode of output inserter J2.Output inserter J2 is connected with the Switching Power Supply of 300W.Start
During power supply, the curved rising of DC voltage, when DC voltage reaches 492V, NMOS tube conducting.Input plug-in unit J1 phases in Fig. 3
When in input terminal 110, output inserter J2 is equivalent to output terminal 120, resistance R1 is equivalent to first resistor 131, the voltage-stabiliser tube of series connection
Z1 to voltage-stabiliser tube Z6 is integrally equivalent to the first voltage-stabiliser tube 132, and voltage-stabiliser tube Z7 is equivalent to the second voltage-stabiliser tube 136, and resistance R2 is equivalent to
Second resistance 135, NMOS tube are equivalent to field-effect tube 133, and diode D1 is equivalent to diode 134.
The exemplary only explanation of parameter in the present embodiment, in practical applications, can be according to the voltage of DC power supply
Value determines the model and parameter of the component in surge regulator circuit.
Above-described is only the preferred embodiments of the utility model, and the utility model is not limited to above example.It can
To understand, what those skilled in the art directly exported or associated under the premise of the spirit and design for not departing from the utility model
Oher improvements and changes are considered as being included within the scope of protection of this utility model.
Claims (5)
1. a kind of surge regulator circuit, which is characterized in that the circuit includes：For providing the input terminal of DC power supply, being used for
The output terminal of connecting valve power supply and the switching circuit being connected between the input terminal and the output terminal；
The switching circuit includes：First resistor, the first voltage-stabiliser tube, field-effect tube and diode；
The first end of the first resistor is connected with the anode of the input terminal, the second end of the first resistor and described first
The cathode of voltage-stabiliser tube is connected；The cathode of the diode is connected with the drain electrode of the field-effect tube, the anode of the diode with
The source electrode of the field-effect tube is connected；The drain electrode of the field-effect tube is connected with the first end of the first resistor, the field effect
Should the grid of pipe be connected with the second end of the first resistor, the anode phase of the source electrode of the field-effect tube and the output terminal
Even；The anode of the cathode of the input terminal, the cathode of the output terminal and first voltage-stabiliser tube is grounded.
2. circuit according to claim 1, which is characterized in that the switching circuit further includes：Second resistance；Described second
Resistance is connected between the grid and source electrode of the field-effect tube.
3. circuit according to claim 1, which is characterized in that the switching circuit further includes：Second voltage-stabiliser tube；Described
The cathode of two voltage-stabiliser tubes is connected with the grid of the field-effect tube, the anode of second voltage-stabiliser tube and the source of the field-effect tube
Extremely it is connected.
4. circuit according to claim 1, which is characterized in that the voltage value of first voltage-stabiliser tube be predetermined threshold, institute
Stating predetermined threshold is determined according to the voltage value of the DC power supply.
5. circuit according to claim 4, which is characterized in that first voltage-stabiliser tube is composed in series by n voltage-stabiliser tube
, the sum of voltage value of the n voltage-stabiliser tube is the predetermined threshold, and n is positive integer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721435651.9U CN207542991U (en) | 2017-10-31 | 2017-10-31 | A kind of surge regulator circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721435651.9U CN207542991U (en) | 2017-10-31 | 2017-10-31 | A kind of surge regulator circuit |
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| Publication Number | Publication Date |
|---|---|
| CN207542991U true CN207542991U (en) | 2018-06-26 |
Family
ID=62611817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721435651.9U Active CN207542991U (en) | 2017-10-31 | 2017-10-31 | A kind of surge regulator circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207542991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098709A1 (en) * | 2018-11-14 | 2020-05-22 | 深圳市道通智能航空技术有限公司 | Anti-reverse charging circuit of battery, and battery management system |
| CN114063043A (en) * | 2020-07-30 | 2022-02-18 | 北京一径科技有限公司 | Control method and device of photoelectric detection array, photoelectric power supply switching circuit and photoelectric detection array |
-
2017
- 2017-10-31 CN CN201721435651.9U patent/CN207542991U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098709A1 (en) * | 2018-11-14 | 2020-05-22 | 深圳市道通智能航空技术有限公司 | Anti-reverse charging circuit of battery, and battery management system |
| CN114063043A (en) * | 2020-07-30 | 2022-02-18 | 北京一径科技有限公司 | Control method and device of photoelectric detection array, photoelectric power supply switching circuit and photoelectric detection array |
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