CN207743868U - A kind of high-voltage power circuit that performance is stablized - Google Patents

A kind of high-voltage power circuit that performance is stablized Download PDF

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Publication number
CN207743868U
CN207743868U CN201721726465.0U CN201721726465U CN207743868U CN 207743868 U CN207743868 U CN 207743868U CN 201721726465 U CN201721726465 U CN 201721726465U CN 207743868 U CN207743868 U CN 207743868U
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diode
resistance
circuit
poles
capacitance
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CN201721726465.0U
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Chinese (zh)
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王前明
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Sichuan New Technology Co Ltd For Flooding
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Sichuan New Technology Co Ltd For Flooding
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Abstract

The utility model discloses the high-voltage power circuits that a kind of performance is stablized, which is characterized in that including transformer T1, oscillating circuit, regulator rectifier circuit, current foldback circuit and booster circuit.The utility model is simple in structure, it is highly practical, alternating current can be converted to stable 9V DC voltages by the electrical voltage system by the regulator rectifier circuit of setting, and 9V DC voltages can be adequately converted to the alternating current pressure needed for transformer by oscillating circuit, keep transformer output voltage more stable;Meanwhile being combined with booster circuit by transformer, electric mosquito flap can be effectively ensured to be by one 1500 kilovolts of operating voltage, ensured that the utility model can export stable high voltage, improved the effect exterminating mosquito of electric mosquito flap well.

Description

A kind of high-voltage power circuit that performance is stablized
Technical field
The utility model is related to the high-voltage power circuits that a kind of power circuit, in particular to a kind of performance are stablized.
Background technology
As the continuous development of social and economic construction, a large amount of house refuse and building waste are to our living environment More serious pollution is caused, mosquito is made to have obtained a large amount of breeding, the serious health for affecting us.In order to eliminate mosquito Harm of the worm to us, people just use different modes and carry out killing mosquitoes, we mostly use mosquito-repellent incense, insecticide and electricity at present Mosquito the modes such as claps to prevent the harassment of mosquito, and wherein our multi-purpose electric mosquito flaps carry out mosquito-killing.However, the boosting of existing electric mosquito flap Power supply has that output voltage is unstable, causes electric mosquito flap that cannot effectively electrocute mosquito, and the quantity of mosquito is caused to cannot get Effective control, to cannot be satisfied the requirement of people.
Utility model content
The purpose of this utility model is that the booster power of gram existing electric mosquito flap is there are the unstable defect of output voltage, A kind of high-voltage power circuit that performance is stablized is provided.
The purpose of this utility model passes through following technical proposals reality:A kind of high-voltage power circuit that performance is stablized, including Transformer T1, the oscillating circuit being connected with the Same Name of Ends of transformer T1 primary side inductance coils, respectively with oscillating circuit and transformation The current foldback circuit that the non-same polarity of device T1 primary side inductance coils is connected, the rectifying and voltage-stabilizing being connected with current foldback circuit Circuit, and the booster circuit that is connected respectively with the non-same polarity of the secondary inductance coil of transformer T1 and non-same polarity;Institute State the non-same polarity ground connection of the primary side inductance coil of transformer T1.
The current foldback circuit includes field-effect tube Q1, field-effect tube Q2, zener diode D6, positive and two pole of voltage stabilizing The polar capacitor C12 that the poles P of pipe D6 are connected, cathode is connected with the drain electrode of field-effect tube Q1, one end and zener diode D6 The poles N be connected, the adjustable resistance R8 that the other end is connected with the drain electrode of field-effect tube Q1, the drain electrode of one end and field-effect tube Q1 It is connected, the resistance R9 that the other end is connected with the grid of field-effect tube Q2 and one end are connected with the source electrode of field-effect tube Q1 It connects, the resistance R10 that the other end is connected with the drain electrode of field-effect tube Q2;The drain electrode of the field-effect tube Q2 also respectively with voltage stabilizing two The poles N of pole pipe D6 are connected with regulator rectifier circuit, and the source electrode of field-effect tube Q2 is connected with oscillating circuit;The field-effect The source electrode of pipe Q1 is connected with the grid of field-effect tube Q2, and the drain electrode of field-effect tube Q1 is also connected with regulator rectifier circuit, The grid of field-effect tube Q1 is connected with the adjustable end of adjustable resistance R8;The cathode of the polar capacitor C12 and transformer T1 The non-same polarity of primary side inductance coil is grounded after being connected.
Further, the regulator rectifier circuit includes diode rectifier U2, voltage stabilizing chip U1, whole with diode respectively The reduction voltage circuit that two input terminals of stream device U2 are connected, and be serially connected between diode rectifier U2 and voltage stabilizing chip U1 Compound filter circuit;The OUT pins of the voltage stabilizing chip U1 are connected with the drain electrode of field-effect tube Q2.
The reduction voltage circuit includes the capacitance that wherein one end is connected with one of diode rectifier U2 input terminal C7, and capacitance C8 that wherein one end is connected with another input terminal of diode rectifier U2;The other end of the capacitance C7 with The input terminal of reduction voltage circuit is collectively formed in the other end of capacitance C8.
The compound filter circuit include anode be connected with the cathode output end of diode rectifier U2, cathode and two poles The polar capacitor C9 that the cathode output end of pipe rectifier U2 is connected, anode after inductance L1 with the IN pin phases of voltage stabilizing chip U1 The polar capacitor C10 that connection, cathode are connected with the cathode output end of diode rectifier U2, the IN of anode and voltage stabilizing chip U1 Pin is connected, cathode is connected with the cathode of polar capacitor C10 polar capacitor C11 and one end are with polar capacitor C11's The resistance R7 that anode is connected, the other end is connected with the cathode of polar capacitor C11;The GND of the voltage stabilizing chip U1 is imitated with field Should the drain electrode of pipe Q1 be connected.
Fuse FUSE, one end fuse FUSE and two are provided on the cathode output end of the diode rectifier U2 The cathode output end of pole pipe rectifier U2 is connected, the other end is connected with the anode of polar capacitor C10;The resistance R7 and pole It is also serially connected with light emitting diode DL between the cathode of property capacitance C11.
Further, the oscillating circuit includes amplifier P1, electrodeless electric capacity C2, diode D1, diode D2, wherein One end is connected after resistance R5 with the cathode of amplifier P1, the other end is sequentially after resistance R3 and resistance R4 with amplifier P1's The capacitance C1 that anode is connected, wherein one end be connected with the anode of amplifier P1, the company of the other end and resistance R3 and resistance R4 The capacitance C2 that contact is connected, wherein one end be connected with the output end of amplifier P1, the other end after resistance R6 with resistance R3 The capacitance C3 being connected with the tie point of resistance R4, one end is connected with the poles N of diode D2, the other end and capacitance C1 and resistance The adjustable resistance R2 and one end that the tie point of R3 is connected be connected with the poles N of diode D1, the other end and capacitance C1 and electricity The resistance R1 that the tie point of resistance R3 is connected;The poles P of the diode D1 are connected with the poles N of diode D2, the amplifier The output end of P1 is connected with the poles P of the poles N of diode D1 and diode D2 respectively, the negative electrode ground connection of amplifier P1;Institute The positive electrode for stating amplifier P1 is connected with the source electrode of field-effect tube Q2;The output end of the amplifier P1 and transformer T1 primary sides The Same Name of Ends of inductance coil is connected.
The booster circuit includes diode D3, and diode D4, wherein one end are connected with the poles N of diode D3, are another Hold the capacitance C4 being connected with the non-same polarity of transformer T1 secondary inductance coils, one end and transformer T1 secondary inductance coils The resistance R7 that Same Name of Ends is connected, the other end is connected with the poles P of diode D3, anode are connected with the poles P of diode D3, bear The poles polar capacitor C6 and P that pole is connected with the poles N of diode D4 are connected with the cathode of polar capacitor C6, the poles N are through capacitance The diode D5 being connected with the poles P of diode D4 after C5;The poles N of the diode D3 are connected with the poles P of diode D4;Institute State output end of the wherein one end collectively as booster circuit of the poles N of diode D5 and capacitance 4.
Further, the transformer T1 is TRNSFMRT2111 transformers.The voltage stabilizing chip U1 is 7809 integrated Chip.
The utility model has the following advantages compared with prior art and advantageous effect:
(1) the utility model of simple structure and strong practicability, the cities regulator rectifier circuit Neng Jiang which passes through setting Electricity is converted to stable 9V DC voltages, and 9V DC voltages can be adequately converted to the alternating current needed for transformer by oscillating circuit Pressure, keeps transformer output voltage more stable;Meanwhile being combined with booster circuit by transformer, it can effectively be ensured to be electricity Mosquito claps the operating voltage by one 1500 kilovolts, ensures that the utility model can export stable high voltage, well Improve the effect exterminating mosquito of electric mosquito flap.
(2) the compound filter circuit being arranged in the regulator rectifier circuit of the utility model can export diode rectifier U2 DC voltage repeatedly filtered, make diode rectifier U2 export DC voltage in remaining alternating voltage it is effective Filter out, to ensure well power circuit work stability.
(3) generated moment is high when the current foldback circuit of the utility model setting can be to voltage stabilizing chip U1 output voltages Electric current is inhibited, and is effectively prevented subsequent conditioning circuit and is damaged by heavy current, ensures that the peace used of the utility model Quan Xing.
Description of the drawings
Fig. 1 is the integrated circuit structural schematic diagram of the utility model.
Specific implementation mode
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is simultaneously It is without being limited thereto.
Embodiment
As shown in Figure 1, the utility model discloses the high-voltage power circuit that a kind of performance is stablized, including transformer T1, with The oscillating circuit that the Same Name of Ends of transformer T1 primary side inductance coils is connected, respectively with oscillating circuit and transformer T1 primary side inductance The current foldback circuit that the non-same polarity of coil is connected, the regulator rectifier circuit being connected with current foldback circuit, Yi Jifen The booster circuit not being connected with the non-same polarity of the secondary inductance coil of transformer T1 and non-same polarity;The transformer T1's The non-same polarity of primary side inductance coil is grounded.
In the present embodiment, the non-same polarity of the primary side inductance coil of transformer T1 is grounded.And the regulator rectifier circuit Including diode rectifier U2, voltage stabilizing chip U1, the decompression being connected respectively with two input terminals of diode rectifier U2 is electric Road, and the compound filter circuit that is serially connected between diode rectifier U2 and voltage stabilizing chip U1;The compound filter circuit is also It is connected with current foldback circuit.
When implementation, power supply part of the regulator rectifier circuit as entire power circuit, the regulator rectifier circuit can be by alternating current Stable 9V DC voltages are converted to, which is transferred to oscillating circuit after current foldback circuit is handled.It vibrates electricity DC voltage can be become alternating voltage by road, and is realized and boosted to voltage, and a stable exchange is provided for transformer T1 Voltage.Core elements of the transformer T1 as entire power circuit, preferentially uses the boosting of model TRNSFMRT2111 Transformer is realized.And oscillating circuit is then used as it in entire power circuit to play leading role, and booster circuit can will then become The high voltage voltage of depressor T1 outputs boosts, and exports 1500 kilovolts or so of high voltage.
Further, the oscillating circuit includes amplifier P1, diode D1, diode D2, resistance R1, resistance R2, electricity Hinder R3, resistance R4, resistance R5, resistance R6, capacitance C1, electrodeless electric capacity C2 and capacitance C3.
When connection, wherein one end of capacitance C1 is connected after resistance R5 with the cathode of amplifier P1, and the other end sequentially passes through It is connected with the anode of amplifier P1 after resistance R3 and resistance R4.Wherein one end of capacitance C2 is connected with the anode of amplifier P1 It connects, the other end is connected with resistance R3 with the tie point of resistance R4.Wherein one end of capacitance C3 and the output end phase of amplifier P1 Connection, the other end are connected after resistance R6 with resistance R3 with the tie point of resistance R4.One end of adjustable resistance R2 and diode The poles N of D2 are connected, and the other end is connected with capacitance C1 with the tie point of resistance R3.The N of one end and diode D1 of resistance R1 Pole is connected, and the other end is connected with capacitance C1 with the tie point of resistance R3.
The poles P of the diode D1 are connected with the poles N of diode D2, the output end of the amplifier P1 respectively with two poles The poles N of pipe D1 are connected with the poles P of diode D2, the negative electrode ground connection of amplifier P1;The positive electrode of the amplifier P1 with Current foldback circuit is connected;The output end of the amplifier P1 is connected with the Same Name of Ends of transformer T1 primary side inductance coils.
In order to ensure the practical effect of the utility model, the resistance value of resistance R1 and resistance R5 in the present embodiment are set Adjustable value for 1k Ω, adjustable resistance R2 is 0~10k Ω, and resistance R3 and the resistance value of resistance R4 and resistance R6 are set as 0.8k Ω;The capacitance that the capacitance of polar capacitor C1 is set as 2 μ F, capacitance C2 and capacitance C3 is set as 10 μ F;Diode D1 and diode D2 has been all made of the diode of model 1N4012.Wherein, performance is then used as the core element amplifier P1 of the circuit Stable LM1875 is realized.
When operation, oscillating circuit principle meets amplitude balance and phase equilibrium.Resistance R1 in amplitude balance, that is, circuit The Amplitude amplification effect of amplifier P1 is constituted with resistance R3, while introducing negative-feedback, and hold amplifier P1 energy steady operations are put The amplification factor of big device P1 is Au=1+R3/R1=6;Phase equilibrium is made up of capacitance C1, capacitance C2, resistance R3 and resistance R5 The positive feedback channel of circuit, while making frequency of oscillation F=1/ (2 π RC)=0.8K*0.01uf ≈ 20Khz of circuit, adjustable resistance R2 and diode D1 and diode D2 constitute temperature-compensation circuit, keep amplifier P1 stability more preferable, will not be because of temperature anomaly Circuit not starting of oscillation is caused, effectively ensures that the circuit generates a stable exchange and gives transformer T1, to be embodied as transformation Device T1 provides a stable working volts alternating current.
Further, the booster circuit includes diode D3, diode D4, resistance R7, capacitance C4, capacitance C5, pole Property capacitance C6 and diode D5.
When connection, wherein one end of capacitance C4 is connected with the poles N of diode D3, the other end and transformer T1 secondary inductances The non-same polarity of coil is connected.One end of resistance R7 is connected with the Same Name of Ends of transformer T1 secondary inductance coils, the other end It is connected with the poles P of diode D3.Polar capacitor C6 anode be connected with the poles P of diode D3, the N of cathode and diode D4 Pole is connected.The poles P of diode D5 are connected with the cathode of polar capacitor C6, the poles N after capacitance C5 with the poles the P phase of diode D4 Connection.The poles N of the diode D3 are connected with the poles P of diode D4;The poles N of the diode D5 and wherein the one of capacitance 4 It holds the output end collectively as booster circuit and is connected with the power grid of electric mosquito flap.
Diode D3~D5 in the present embodiment has been all made of 1N4002 rectifier diodes to realize;The resistance value of its resistance R7 It is set as 1k Ω;The capacitance that the capacitance of its capacitance C4 and capacitance C5 are set as 10 μ F, polar capacitor C6 is set as 2.2 μ F.
When operation, when operation, be powered start when, transformer T1 is step-up transformer, transformer T1 inductance coils Terminal voltage of the same name rises to 500V or so.When the alternating current that the Same Name of Ends of transformer T1 inductance coils exports is positive electrode, become The non-same polarity of depressor T1 inductance coils is negative electrode, and positive electrode, which is added in diode D3, makes capacitance C4 charge to 500V.Work as transformation When the non-same polarity of device T1 inductance coils is positive electrode, the Same Name of Ends of transformer T1 inductance coils is negative, and on capacitance C4 Through there is a 500V voltages, thus plus the capacitance 500V voltages on the non-same polarity of transformer T1 inductance coils after, by diode D4 can carry out capacitance C5 to charge to 1000V.Again when the Same Name of Ends of transformer T1 inductance coils is positive electrode, work as transformer When the non-same polarity of T1 inductance coils is negative electrode, the 1000V voltages of transformer 500V voltage accumulation capacitances C5 to capacitance C4 and Polar capacitor C6 chargings, because there is 500V voltages on capacitance C4, therefore can only just be charged to 1000V voltages on polar capacitor C6.It needs The voltage of 1500V just takes the voltage of capacitance C4 and polar capacitor C6 out to can reach 1500V high pressures, but electric current is very small, Mosquito eradication, but not harmful voltage class can be used for for mosquito.
The reduction voltage circuit is as shown in Figure 1, its capacitance C7 and capacitance C8.Wherein one end of its capacitance C7 and diode rectification One of device U2 input terminals are connected.Wherein one end of capacitance C8 is connected with another input terminal of diode rectifier U2 The other end of the capacitance C7 with the other end input terminal of reduction voltage circuit be collectively formed and be connected with alternating current.Wherein, capacitance The capacitance of C7 and capacitance C8 are set as 470 μ F, to ensure its practical effect.
Meanwhile the compound filter circuit includes polar capacitor C9, polar capacitor C10, polar capacitor C11, inductance L1, with And resistance R7.
When connection, the anode of polar capacitor C9 is connected with the cathode output end of diode rectifier U2, cathode and two poles The cathode output end of pipe rectifier U2 is connected.Polar capacitor C10 anode after inductance L1 with the IN pins of voltage stabilizing chip U1 It is connected, cathode is connected with the cathode output end of diode rectifier U2.The anode of polar capacitor C11 is with voltage stabilizing chip U1's IN pins are connected, cathode is connected with the cathode of polar capacitor C10.The positive phase of one end of resistance R7 and polar capacitor C11 Connection, the other end are connected with the cathode of polar capacitor C11.The drain electrode phase of the GND and field-effect tube Q1 of the voltage stabilizing chip U1 Connection.
The capacitance of polar capacitor C9 in the present embodiment is set as 2200 μ F, the appearance of polar capacitor C10 and polar capacitor C11 Value is set as 220 μ F;And the inductance value of inductance L1 is set as 50 μ H;The resistance value of resistance R7 is set as 1k Ω.
When the regulator rectifier circuit is specifically run, instant high-voltage when to ensure that power circuit will not be loaded by power supply It damages, fuse FUSE, the fuse is provided on the cathode output end of diode rectifier U2 described in regulator rectifier circuit The one end FUSE is connected with the cathode output end of diode rectifier U2, and the other end is connected with the anode of polar capacitor C10.Together When the power on situation of electric mosquito flap is checked for the ease of us, also concatenated between resistance R7 and the cathode of polar capacitor C11 There is light emitting diode DL.When regulator rectifier circuit connects alternating current, capacitance C7 and capacitance C8 are formed by reduction voltage circuit to input Voltage be depressured, the alternating voltage after decompression is then converted to DC voltage, diode rectifier by diode rectifier U2 The DC voltage of U2 outputs is filtered through polar capacitor C9, and the remaining alternating voltage in DC voltage is made to be inhibited, and Polar capacitor C10 and inductance L1 and polar capacitor C11 filter DC voltage again, make the alternating current in DC voltage Pressure is thoroughly eliminated, and last filtered DC voltage obtains 9V DC voltages after voltage stabilizing chip U1 carries out voltage stabilizing, this is straight Galvanic electricity pressure carries out current detecting through current foldback circuit, to prevent subsequent conditioning circuit from being damaged by high current.
Further, the current foldback circuit includes field-effect tube Q1, field-effect tube Q2, zener diode D6, can Adjust resistance R8, resistance R9, resistance R10 and polar capacitor C12.
When connection, the anode of polar capacitor C12 is connected with the poles P of zener diode D6, cathode and field-effect tube Q1 Drain electrode is connected.One end of adjustable resistance R8 is connected with the poles N of zener diode D6, the drain electrode of the other end and field-effect tube Q1 It is connected.One end of resistance R9 is connected with the drain electrode of field-effect tube Q1, the other end is connected with the grid of field-effect tube Q2.Electricity One end of resistance R10 is connected with the source electrode of field-effect tube Q1, the other end is connected with the drain electrode of field-effect tube Q2.
The drain electrode of the field-effect tube Q2 is also connected with the poles N of zener diode D6 and regulator rectifier circuit respectively, should The source electrode of field-effect tube Q2 is connected with oscillating circuit;The source electrode of the field-effect tube Q1 is connected with the grid of field-effect tube Q2 It connects, the drain electrode of field-effect tube Q1 is also connected with regulator rectifier circuit, and the grid of field-effect tube Q1 is with adjustable resistance R8's Adjustable end is connected;The cathode of the polar capacitor C12 is connected with the non-same polarity of transformer T1 primary side inductance coils to be followed by Ground.
The model TO-263 of effect pipe Q1 and field-effect tube Q2 used by the present embodiment midfield;Zener diode D6 is then Preferentially model 1N4002 protection pipes are used to realize;The resistance value of its adjustable resistance R8 is set as 10k Ω, adjustable resistance R8 It is realized according to the resistance for needing can also be used the fixed 4k Ω of resistance value of circuit in specific use, the resistance value of resistance R9 is set It is set to 10k Ω;And resistance R10 is used as the resistance that shuts off, resistance value should be higher than that 100k Ω, therefore the resistance value of resistance R10 is preferentially set For 156k Ω;The capacitance of polar capacitor C12 is 10 μ F.
When the current foldback circuit is run, when the voltage of voltage stabilizing chip U1 outputs is stable 9V voltages, two pole of voltage stabilizing Pipe D6 conductings, polar capacitor C12 chargings make to be low-voltage on field-effect tube Q1 grids, and field-effect tube Q1 is not turned on, field-effect It is high level on the source electrode of pipe Q1, field-effect tube Q2 is made to be connected, 9V DC voltages provides operating voltage for subsequent conditioning circuit.Work as voltage stabilizing When the voltage of chip U1 outputs is higher than 9V voltages, zener diode D is breakdown, and electric current is loaded after adjustable resistance R8 current limlitings and shown up It is high level on effect pipe Q1, on the grid of field-effect tube Q1, field-effect tube Q1 conductings make the electricity on the source electrode of field-effect tube Q1 Pancake is low, and field-effect tube Q2 cut-offs make subsequent circuit not damaged by high current, to realize the overcurrent guarantor to electrical voltage system Shield, effectively ensures the reliability that the utility model uses.
As described above, the utility model can be realized well.

Claims (10)

1. the high-voltage power circuit that a kind of performance is stablized, which is characterized in that including transformer T1, with transformer T1 primary side inductor wires The oscillating circuit that the Same Name of Ends of circle is connected is connected with the non-same polarity of oscillating circuit and transformer T1 primary side inductance coils respectively The current foldback circuit connect, the regulator rectifier circuit being connected with current foldback circuit, and respectively with the secondary side of transformer T1 The booster circuit that the non-same polarity of inductance coil is connected with non-same polarity;The primary side inductance coil of the transformer T1 it is non-same Name end ground connection.
2. the high-voltage power circuit that a kind of performance according to claim 1 is stablized, it is characterised in that:The overcurrent protection electricity Road includes field-effect tube Q1, field-effect tube Q2, zener diode D6, anode is connected with the poles P of zener diode D6, cathode and The polar capacitor C12 that the drain electrode of field-effect tube Q1 is connected, one end is connected with the poles N of zener diode D6, the other end and field The adjustable resistance R8 that the drain electrode of effect pipe Q1 is connected, one end is connected with the drain electrode of field-effect tube Q1, the other end and field-effect The resistance R9 and one end that the grid of pipe Q2 is connected be connected with the source electrode of field-effect tube Q1, the other end and field-effect tube Q2 The resistance R10 that is connected of drain electrode;The field-effect tube Q2 drain electrode also respectively with the poles N of zener diode D6 and rectifying and voltage-stabilizing Circuit is connected, and the source electrode of field-effect tube Q2 is connected with oscillating circuit;The source electrode and field-effect tube of the field-effect tube Q1 The grid of Q2 is connected, and the drain electrode of field-effect tube Q1 is also connected with regulator rectifier circuit, the grid of field-effect tube Q1 with The adjustable end of adjustable resistance R8 is connected;The cathode of the polar capacitor C12 is non-of the same name with transformer T1 primary side inductance coils End is grounded after being connected.
3. the high-voltage power circuit that a kind of performance according to claim 2 is stablized, it is characterised in that:The rectifying and voltage-stabilizing electricity Road includes diode rectifier U2, voltage stabilizing chip U1, the decompression being connected respectively with two input terminals of diode rectifier U2 Circuit, and the compound filter circuit that is serially connected between diode rectifier U2 and voltage stabilizing chip U1;The voltage stabilizing chip U1's OUT pins are connected with the drain electrode of field-effect tube Q2.
4. the high-voltage power circuit that a kind of performance according to claim 3 is stablized, it is characterised in that:The reduction voltage circuit packet Include the capacitance C7 that wherein one end is connected with one of diode rectifier U2 input terminal, and wherein one end and diode is whole The capacitance C8 that another input terminal of stream device U2 is connected;Drop is collectively formed with the other end of capacitance C8 in the other end of the capacitance C7 The input terminal of volt circuit.
5. the high-voltage power circuit that a kind of performance according to claim 4 is stablized, it is characterised in that:The compound filtered electrical Road include anode be connected with the cathode output end of diode rectifier U2, the cathode output end of cathode and diode rectifier U2 The polar capacitor C9 being connected, anode is connected after inductance L1 with the IN pins of voltage stabilizing chip U1, cathode and diode rectification The polar capacitor C10 that the cathode output end of device U2 is connected, anode is connected with the IN pins of voltage stabilizing chip U1, cathode and polarity The polar capacitor C11 and one end that the cathode of capacitance C10 is connected be connected with the anode of polar capacitor C11, the other end and pole The resistance R7 that the cathode of property capacitance C11 is connected;The GND of the voltage stabilizing chip U1 is connected with the drain electrode of field-effect tube Q1.
6. the high-voltage power circuit that a kind of performance according to claim 5 is stablized, it is characterised in that:The diode rectification Fuse FUSE is provided on the cathode output end of device U2, the one end fuse FUSE and the anode of diode rectifier U2 export End is connected, the other end is connected with the anode of polar capacitor C10;Between the resistance R7 and the cathode of polar capacitor C11 also It is serially connected with light emitting diode DL.
7. the high-voltage power circuit that a kind of performance according to claim 6 is stablized, it is characterised in that:The oscillating circuit packet Include amplifier P1, electrodeless electric capacity C2, diode D1, diode D2, wherein one end after resistance R5 with the cathode phase of amplifier P1 Connection, the capacitance C1 that is sequentially connected with the anode of amplifier P1 after resistance R3 and resistance R4 of the other end, wherein one end with put The anode of big device P1 is connected, the capacitance C2 that the other end is connected with resistance R3 with the tie point of resistance R4, wherein one end with put The output end of big device P1 is connected, the capacitance C3 that the other end is connected with resistance R3 with the tie point of resistance R4 after resistance R6, The adjustable resistance R2 that one end is connected with the poles N of diode D2, the other end is connected with capacitance C1 with the tie point of resistance R3, with And the resistance R1 that one end is connected with the poles N of diode D1, the other end is connected with capacitance C1 with the tie point of resistance R3;It is described The poles P of diode D1 are connected with the poles N of diode D2, the output end of the amplifier P1 respectively with the poles N of diode D1 and The poles P of diode D2 are connected, the negative electrode ground connection of amplifier P1;The positive electrode of the amplifier P1 is with field-effect tube Q2's Source electrode is connected;The output end of the amplifier P1 is connected with the Same Name of Ends of transformer T1 primary side inductance coils.
8. the high-voltage power circuit that a kind of performance according to claim 7 is stablized, it is characterised in that:The booster circuit packet Include diode D3, diode D4, wherein one end be connected with the poles N of diode D3, the other end and transformer T1 secondary inductance lines The capacitance C4 that the non-same polarity of circle is connected, one end is connected with the Same Name of Ends of transformer T1 secondary inductance coils, the other end with The resistance R7 that the poles P of diode D3 are connected, anode is connected with the poles P of diode D3, cathode is extremely connected with the N of diode D4 The poles polar capacitor C6 and P connect are connected with the cathode of polar capacitor C6, the poles N after capacitance C5 with the poles the P phase of diode D4 The diode D5 of connection;The poles N of the diode D3 are connected with the poles P of diode D4;The poles N of the diode D5 and capacitance Output end of the 4 wherein one end collectively as booster circuit.
9. the high-voltage power circuit that a kind of performance according to claim 8 is stablized, it is characterised in that:The transformer T1 is TRNSFMRT2111 transformers.
10. the high-voltage power circuit that a kind of performance according to claim 9 is stablized, it is characterised in that:The voltage stabilizing chip U1 is 7809 integrated chips.
CN201721726465.0U 2017-12-12 2017-12-12 A kind of high-voltage power circuit that performance is stablized Expired - Fee Related CN207743868U (en)

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CN201721726465.0U CN207743868U (en) 2017-12-12 2017-12-12 A kind of high-voltage power circuit that performance is stablized

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Application Number Priority Date Filing Date Title
CN201721726465.0U CN207743868U (en) 2017-12-12 2017-12-12 A kind of high-voltage power circuit that performance is stablized

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CN207743868U true CN207743868U (en) 2018-08-17

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