CN205430063U - Switching power supply formula high energy ignition device - Google Patents

Switching power supply formula high energy ignition device Download PDF

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Publication number
CN205430063U
CN205430063U CN201620239220.4U CN201620239220U CN205430063U CN 205430063 U CN205430063 U CN 205430063U CN 201620239220 U CN201620239220 U CN 201620239220U CN 205430063 U CN205430063 U CN 205430063U
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resistance
power supply
electric capacity
diode
circuit
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叶琳
陈平
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XUZHOU NENDAR COMBUSTION CONTROL ENGINEERING CO LTD
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XUZHOU NENDAR COMBUSTION CONTROL ENGINEERING CO LTD
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Abstract

The utility model provides a switching power supply formula high energy ignition device, includes casing (1), is fixed in mounting panel (2), electronic circuit part (3) in casing (1), electronic circuit part (3) install on mounting panel (2), it is including the power input end (4) that connects gradually, rectification filter circuit (5), protection circuit (6), switching transformer (7), high -frequency rectifier circuit (8), current -limiting and tank (11), high -pressure discharge circuit (9), electric energy output circuit (10), it still includes switching power supply control and output circuit (12), meet with rectification filter circuit (5) and protection circuit (6) respectively, replace traditional transformer with switching power supply formula electronic circuit, lightens the weight, output efficiency has also been improved simultaneously, power loss is greatly decreased.

Description

A kind of switch power supply type high energy ignition unit
Technical field
This utility model relates to boiler high energy ignition unit field, particularly relates to a kind of switch power supply type high energy ignition unit.
Background technology
Iron core line wound-type transformer Heavy Weight, and there is copper loss and iron loss, output is far below input power, energy conversion efficiency is relatively low, energy-conserving and environment-protective are the themes of social development instantly, and at present also continue to use this traditional transformator on boiler high energy ignition unit, how to make high energy ignition unit become light weight, power attenuation low, become particularly important.
Summary of the invention
The purpose of this utility model is aiming at deficiencies of the prior art, a kind of switch power supply type high energy ignition unit is provided, replaces traditional transformator with switch power supply type electronic circuit, alleviate weight, also improve delivery efficiency simultaneously, greatly reduce power attenuation.
Described utility model one switch power supply type high energy ignition unit, the installing plate (2) including casing (1), being fixed in casing (1), electronic circuitry part (3), described electronic circuitry part (3) is installed on installing plate (2).
Power input (4), current rectifying and wave filtering circuit (5), protection circuit (6), switch transformer (7), high-frequency rectification circuit (8), current limliting and accumulator (11) that described electronic circuitry part (3) includes being sequentially connected with, high voltage discharge circuit (9), electric energy output circuit (10); it also includes Switching Power Supply control and output circuit (12), connects with current rectifying and wave filtering circuit (5) and protection circuit (6) respectively.
Described current rectifying and wave filtering circuit (5) is made up of single phase bridge type rectifier circu VD, resistance R1, electric capacity C1, the negative power supply output termination power ground of single phase bridge type rectifier circu VD, the other end of the positive pole connecting resistance R1 of cathode power supply outfan connecting resistance R1, electric capacity C1, negative pole connects power supply ground.
Described protection circuit (6) includes electric capacity C2, resistance R3, diode D7, transient voltage suppressor diode TVS; after electric capacity C2 and resistance R3 parallel connection, negative pole, transient voltage suppressor diode TVS with diode D7 connects respectively, and the positive pole of diode D7 connects the other end of transient voltage suppressor diode TVS.
Described switch transformer (7) is a high frequency transformer T, and No. 3 pins of its secondary coil are with picking shell.
Described high-frequency rectification circuit (8) is made up of diode D8, diode D9, resistance R10, resistance R11, diode D8 and diode D9 series connection, resistance R10 and resistance R11 series connection, diode circuit after series connection is in parallel with resistance circuit, a connecting resistance R10 and the resistance R11 that is connected of diode D8 and diode D9 is connected a little, diode D8 and diode D9 parameter value are equal, and resistance R10 and resistance R11 resistance are the most equal.
Described current limliting and accumulator (11) include a terminating resistor R12 after resistance R12, resistance R13, electric capacity C8, resistance R13 and electric capacity C8 parallel connection, and the other end is with picking shell.
Described high voltage discharge circuit (9) is made up of discharge tube G, low-frequency choke coil L1, resistance R14, and what resistance R14 mono-terminated discharge tube G and low-frequency choke coil L1 is connected a little, and the other end picks shell ground.
Described electric energy output circuit (10) includes lead-out terminal P2, low-frequency choke coil L2, and low-frequency choke coil L2 mono-terminates the negative pole end of lead-out terminal P2, and the other end is with picking shell.
nullDescribed Switching Power Supply controls and output circuit (12) is by resistance R2、Electric capacity C6、Switching Power Supply control chip U、Resistance R4、Electric capacity C5、Electric capacity C4、Electric capacity C3、Resistance R5、Diode D5、Resistance R6、Resistance R7、Diode D6、Field effect transistor Q、Resistance R8、Electric capacity C7、Resistance R9 forms,Resistance R2 is simultaneously connected with the negative pole of diode D5、No. 7 pins of Switching Power Supply control chip U、The positive pole of electric capacity C6,The negative pole of electric capacity C6 connects No. 5 pins of Switching Power Supply control chip U and connects power supply ground,No. 8 pin connecting resistance R4 of Switching Power Supply control chip U,The other end of resistance R4 meets No. 4 pins and the electric capacity C5 of Switching Power Supply control chip U simultaneously,The other end of electric capacity C5 connects the negative pole of electric capacity C4 simultaneously、The negative pole of electric capacity C3、Resistance R5 also connects power supply ground,The other end of resistance R5 connects the positive pole of electric capacity C3 simultaneously、No. 1 pin of Switching Power Supply control chip U,The positive pole of electric capacity C4 connects No. 2 pins of Switching Power Supply control chip U,The positive pole connecting resistance R6 of diode D5,After resistance R7 and diode D6 parallel connection,No. 6 pins of negative pole termination Switching Power Supply control chip U,The grid of positive pole termination field effect transistor Q,The drain electrode of field effect transistor Q connecting resistance R8 simultaneously、Resistance R9,The other end of resistance R8 connects the positive pole of electric capacity C7 simultaneously、No. 3 pins of Switching Power Supply control chip U,The negative pole of electric capacity C7 and the other end of resistance R9 all connect power supply ground.
Two ac input ends of the described single phase bridge type rectifier circu VD in current rectifying and wave filtering circuit (5) connect L line end and the N line end of the input terminal P1 of power input (4) respectively.
The described electric capacity C1 positive pole in current rectifying and wave filtering circuit (5) meets the resistance R2 in Switching Power Supply control and output circuit (12) with the point that is connected of resistance R1.
The point that is connected of described electric capacity C2 and the resistance R3 in protection circuit (6) connects the positive pole of the electric capacity C1 in current rectifying and wave filtering circuit (5).
The described diode D7 positive pole in protection circuit (6) is simultaneously connected with the resistance R6 in Switching Power Supply control and output circuit (12), the source electrode of field effect transistor Q with the point that is connected of transient voltage suppressor diode TVS.
The two ends of the described high frequency transformer T primary coil in switch transformer (7) connect the two ends of the transient voltage suppressor diode TVS in protection circuit (6) respectively.
The described diode D8 positive pole in high-frequency rectification circuit (8) connects No. 4 pins of the high frequency transformer T secondary coil in switch transformer (7) with the point that is connected of resistance R10.
The described diode D9 negative pole in high-frequency rectification circuit (8) meets the resistance R12 in current limliting and accumulator (11) with the point that is connected of resistance R11.
The described discharge tube G in high voltage discharge circuit (9) connects the connected point of the resistance R12 in current limliting and accumulator (11), resistance R13, electric capacity C8.
Low-frequency choke coil L1 in positive pole termination high voltage discharge circuit (9) of the described lead-out terminal P2 in electric energy output circuit (10).
The beneficial effects of the utility model are: high energy ignition unit changes the transformator traditional with the replacement of switch power supply type electronic circuit, alleviates weight, also improves delivery efficiency simultaneously, greatly reduce power attenuation.
Accompanying drawing explanation
Fig. 1 is the pie graph of this utility model a kind of switch power supply type high energy ignition unit.
Fig. 2 is the electric circuit construction block diagram of this utility model a kind of switch power supply type high energy ignition unit.
Fig. 3 is the electronic circuit schematic diagram of this utility model a kind of switch power supply type high energy ignition unit.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As it is shown in figure 1, a kind of switch power supply type high energy ignition unit, the installing plate (2) including casing (1), being fixed in casing (1), electronic circuitry part (3), described electronic circuitry part (3) is installed on installing plate (2).
As shown in Figure 2; power input (4), current rectifying and wave filtering circuit (5), protection circuit (6), switch transformer (7), high-frequency rectification circuit (8), current limliting and accumulator (11) that described electronic circuitry part (3) includes being sequentially connected with, high voltage discharge circuit (9), electric energy output circuit (10); it also includes Switching Power Supply control and output circuit (12), connects with current rectifying and wave filtering circuit (5) and protection circuit (6) respectively.
As shown in Figure 3, described current rectifying and wave filtering circuit (5) is made up of single phase bridge type rectifier circu VD, resistance R1, electric capacity C1, the negative power supply output termination power ground of single phase bridge type rectifier circu VD, cathode power supply outfan connecting resistance R1, the other end of the positive pole connecting resistance R1 of electric capacity C1, negative pole connects power supply ground.
Described protection circuit (6) includes electric capacity C2, resistance R3, diode D7, transient voltage suppressor diode TVS; after electric capacity C2 and resistance R3 parallel connection, negative pole, transient voltage suppressor diode TVS with diode D7 connects respectively, and the positive pole of diode D7 connects the other end of transient voltage suppressor diode TVS.
Described switch transformer (7) is a high frequency transformer T, and No. 3 pins of its secondary coil are with picking shell.
Described high-frequency rectification circuit (8) is made up of diode D8, diode D9, resistance R10, resistance R11, diode D8 and diode D9 series connection, resistance R10 and resistance R11 series connection, diode circuit after series connection is in parallel with resistance circuit, a connecting resistance R10 and the resistance R11 that is connected of diode D8 and diode D9 is connected a little, diode D8 and diode D9 parameter value are equal, and resistance R10 and resistance R11 resistance are the most equal.
Described current limliting and accumulator (11) include a terminating resistor R12 after resistance R12, resistance R13, electric capacity C8, resistance R13 and electric capacity C8 parallel connection, and the other end is with picking shell.
Described high voltage discharge circuit (9) is made up of discharge tube G, low-frequency choke coil L1, resistance R14, and what resistance R14 mono-terminated discharge tube G and low-frequency choke coil L1 is connected a little, and the other end picks shell ground.
Described electric energy output circuit (10) includes lead-out terminal P2, low-frequency choke coil L2, and low-frequency choke coil L2 mono-terminates the negative pole end of lead-out terminal P2, and the other end is with picking shell.
nullDescribed Switching Power Supply controls and output circuit (12) is by resistance R2、Electric capacity C6、Switching Power Supply control chip U、Resistance R4、Electric capacity C5、Electric capacity C4、Electric capacity C3、Resistance R5、Diode D5、Resistance R6、Resistance R7、Diode D6、Field effect transistor Q、Resistance R8、Electric capacity C7、Resistance R9 forms,Resistance R2 is simultaneously connected with the negative pole of diode D5、No. 7 pins of Switching Power Supply control chip U、The positive pole of electric capacity C6,The negative pole of electric capacity C6 connects No. 5 pins of Switching Power Supply control chip U and connects power supply ground,No. 8 pin connecting resistance R4 of Switching Power Supply control chip U,The other end of resistance R4 meets No. 4 pins and the electric capacity C5 of Switching Power Supply control chip U simultaneously,The other end of electric capacity C5 connects the negative pole of electric capacity C4 simultaneously、The negative pole of electric capacity C3、Resistance R5 also connects power supply ground,The other end of resistance R5 connects the positive pole of electric capacity C3 simultaneously、No. 1 pin of Switching Power Supply control chip U,The positive pole of electric capacity C4 connects No. 2 pins of Switching Power Supply control chip U,The positive pole connecting resistance R6 of diode D5,After resistance R7 and diode D6 parallel connection,No. 6 pins of negative pole termination Switching Power Supply control chip U,The grid of positive pole termination field effect transistor Q,The drain electrode of field effect transistor Q connecting resistance R8 simultaneously、Resistance R9,The other end of resistance R8 connects the positive pole of electric capacity C7 simultaneously、No. 3 pins of Switching Power Supply control chip U,The negative pole of electric capacity C7 and the other end of resistance R9 all connect power supply ground.
Two ac input ends of the described single phase bridge type rectifier circu VD in current rectifying and wave filtering circuit (5) connect L line end and the N line end of the input terminal P1 of power input (4) respectively.
The described electric capacity C1 positive pole in current rectifying and wave filtering circuit (5) meets the resistance R2 in Switching Power Supply control and output circuit (12) with the point that is connected of resistance R1.
The point that is connected of described electric capacity C2 and the resistance R3 in protection circuit (6) connects the positive pole of the electric capacity C1 in current rectifying and wave filtering circuit (5).
The described diode D7 positive pole in protection circuit (6) is simultaneously connected with the resistance R6 in Switching Power Supply control and output circuit (12), the source electrode of field effect transistor Q with the point that is connected of transient voltage suppressor diode TVS.
The two ends of the described high frequency transformer T primary coil in switch transformer (7) connect the two ends of the transient voltage suppressor diode TVS in protection circuit (6) respectively.
The described diode D8 positive pole in high-frequency rectification circuit (8) connects No. 4 pins of the high frequency transformer T secondary coil in switch transformer (7) with the point that is connected of resistance R10.
The described diode D9 negative pole in high-frequency rectification circuit (8) meets the resistance R12 in current limliting and accumulator (11) with the point that is connected of resistance R11.
The described discharge tube G in high voltage discharge circuit (9) connects the connected point of the resistance R12 in current limliting and accumulator (11), resistance R13, electric capacity C8.
Low-frequency choke coil L1 in positive pole termination high voltage discharge circuit (9) of the described lead-out terminal P2 in electric energy output circuit (10).
220VAC power supply is accessed by the input terminal P1 of power input (4), obtains the DC voltage of about 300VDC through current rectifying and wave filtering circuit (5) at the positive pole of electric capacity C1.
Switching Power Supply controls and in output circuit (12), powered to Switching Power Supply control chip U by diode D5, resistance R6, electric capacity C6, by resistance R2 mono-road supplementary power time under-voltage, resistance R4, resistance R5, electric capacity C3, electric capacity C4, electric capacity C5, Switching Power Supply control chip U form oscillation control circuit, resistance R7, diode D6 provide pumping signal to the grid of field effect transistor Q, electric capacity C7, resistance R9, resistance R8 provide feedback signal, and field effect transistor Q controls high frequency transformer T and is in HF switch state.
When there is instantaneous pressure in No. 1 end of high frequency transformer T primary coil in switch transformer (7); this high pressure is discharged to high frequency transformer T primary coil 2 end by the diode D7 in protection circuit (6), resistance R3, electric capacity C2; transient voltage suppressor diode TVS absorbs the electric current that high frequency transformer T primary coil 1 end high pressure produces, to eliminate instantaneous pressure to the damage of field effect transistor Q in Switching Power Supply control and output circuit (12).
The output voltage of high frequency transformer T diode D8 in high-frequency rectification circuit (8), diode D9 rectification obtain the high direct voltage of about 3KV; resistance R12 in current limliting and accumulator (11) charges to electric capacity C8 again; resistance R10 and resistance R11 can make diode D8 and the equal component voltage of diode D9; to avoid a certain diode to burn out because of overtension; resistance R13, as bleeder resistance, discharges the high pressure in electric capacity C8 when high energy ignition unit is shut down.
When in electric capacity C8, voltage is charged to the breakdown voltage exceeding discharge tube G, discharge tube G disruptive discharge, discharge current is through low-frequency choke coil L1, electric energy output circuit (10) output.

Claims (3)

1. a switch power supply type high energy ignition unit, it is characterized in that: include casing (1), the installing plate (2) being fixed in casing (1), electronic circuitry part (3), described electronic circuitry part (3) is installed on installing plate (2), it includes the power input (4) being sequentially connected with, current rectifying and wave filtering circuit (5), protection circuit (6), switch transformer (7), high-frequency rectification circuit (8), current limliting and accumulator (11), high voltage discharge circuit (9), electric energy output circuit (10), it also includes Switching Power Supply control and output circuit (12), connect with current rectifying and wave filtering circuit (5) and protection circuit (6) respectively;
Described current rectifying and wave filtering circuit (5) is made up of single phase bridge type rectifier circu VD, resistance R1, electric capacity C1, the negative power supply output termination power ground of single phase bridge type rectifier circu VD, the other end of the positive pole connecting resistance R1 of cathode power supply outfan connecting resistance R1, electric capacity C1, negative pole connects power supply ground;
Described protection circuit (6) includes electric capacity C2, resistance R3, diode D7, transient voltage suppressor diode TVS; after electric capacity C2 and resistance R3 parallel connection, negative pole, transient voltage suppressor diode TVS with diode D7 connects respectively, and the positive pole of diode D7 connects the other end of transient voltage suppressor diode TVS;
Described switch transformer (7) is a high frequency transformer T, and No. 3 pins of its secondary coil are with picking shell;
Described high-frequency rectification circuit (8) is made up of diode D8, diode D9, resistance R10, resistance R11, diode D8 and diode D9 series connection, resistance R10 and resistance R11 series connection, diode circuit after series connection is in parallel with resistance circuit, and a connecting resistance R10 and the resistance R11 that is connected of diode D8 and diode D9 is connected a little;
Described current limliting and accumulator (11) include a terminating resistor R12 after resistance R12, resistance R13, electric capacity C8, resistance R13 and electric capacity C8 parallel connection, and the other end is with picking shell;
Described high voltage discharge circuit (9) is made up of discharge tube G, low-frequency choke coil L1, resistance R14, and what resistance R14 mono-terminated discharge tube G and low-frequency choke coil L1 is connected a little, and the other end picks shell ground;
Described electric energy output circuit (10) includes lead-out terminal P2, low-frequency choke coil L2, and low-frequency choke coil L2 mono-terminates the negative pole end of lead-out terminal P2, and the other end is with picking shell;
nullDescribed Switching Power Supply controls and output circuit (12) is by resistance R2、Electric capacity C6、Switching Power Supply control chip U、Resistance R4、Electric capacity C5、Electric capacity C4、Electric capacity C3、Resistance R5、Diode D5、Resistance R6、Resistance R7、Diode D6、Field effect transistor Q、Resistance R8、Electric capacity C7、Resistance R9 forms,Resistance R2 is simultaneously connected with the negative pole of diode D5、No. 7 pins of Switching Power Supply control chip U、The positive pole of electric capacity C6,The negative pole of electric capacity C6 connects No. 5 pins of Switching Power Supply control chip U and connects power supply ground,No. 8 pin connecting resistance R4 of Switching Power Supply control chip U,The other end of resistance R4 meets No. 4 pins and the electric capacity C5 of Switching Power Supply control chip U simultaneously,The other end of electric capacity C5 connects the negative pole of electric capacity C4 simultaneously、The negative pole of electric capacity C3、Resistance R5 also connects power supply ground,The other end of resistance R5 connects the positive pole of electric capacity C3 simultaneously、No. 1 pin of Switching Power Supply control chip U,The positive pole of electric capacity C4 connects No. 2 pins of Switching Power Supply control chip U,The positive pole connecting resistance R6 of diode D5,After resistance R7 and diode D6 parallel connection,No. 6 pins of negative pole termination Switching Power Supply control chip U,The grid of positive pole termination field effect transistor Q,The drain electrode of field effect transistor Q connecting resistance R8 simultaneously、Resistance R9,The other end of resistance R8 connects the positive pole of electric capacity C7 simultaneously、No. 3 pins of Switching Power Supply control chip U,The negative pole of electric capacity C7 and the other end of resistance R9 all connect power supply ground;
Two ac input ends of the described single phase bridge type rectifier circu VD in current rectifying and wave filtering circuit (5) connect L line end and the N line end of the input terminal P1 of power input (4) respectively;
The described electric capacity C1 positive pole in current rectifying and wave filtering circuit (5) meets the resistance R2 in Switching Power Supply control and output circuit (12) with the point that is connected of resistance R1;
The point that is connected of described electric capacity C2 and the resistance R3 in protection circuit (6) connects the positive pole of the electric capacity C1 in current rectifying and wave filtering circuit (5);
The described diode D7 positive pole in protection circuit (6) is simultaneously connected with the resistance R6 in Switching Power Supply control and output circuit (12), the source electrode of field effect transistor Q with the point that is connected of transient voltage suppressor diode TVS;
The two ends of the described high frequency transformer T primary coil in switch transformer (7) connect the two ends of the transient voltage suppressor diode TVS in protection circuit (6) respectively;
The described diode D8 positive pole in high-frequency rectification circuit (8) connects No. 4 pins of the high frequency transformer T secondary coil in switch transformer (7) with the point that is connected of resistance R10;
The described diode D9 negative pole in high-frequency rectification circuit (8) meets the resistance R12 in current limliting and accumulator (11) with the point that is connected of resistance R11;
The described discharge tube G in high voltage discharge circuit (9) connects the connected point of the resistance R12 in current limliting and accumulator (11), resistance R13, electric capacity C8;
Low-frequency choke coil L1 in positive pole termination high voltage discharge circuit (9) of the described lead-out terminal P2 in electric energy output circuit (10).
Switch power supply type high energy ignition unit the most according to claim 1, it is characterised in that: described diode D8 and diode D9 parameter value are equal.
Switch power supply type high energy ignition unit the most according to claim 1, it is characterised in that: described resistance R10 and resistance R11 resistance are equal.
CN201620239220.4U 2016-03-28 2016-03-28 Switching power supply formula high energy ignition device Active CN205430063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620239220.4U CN205430063U (en) 2016-03-28 2016-03-28 Switching power supply formula high energy ignition device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620239220.4U CN205430063U (en) 2016-03-28 2016-03-28 Switching power supply formula high energy ignition device

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CN205430063U true CN205430063U (en) 2016-08-03

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CN201620239220.4U Active CN205430063U (en) 2016-03-28 2016-03-28 Switching power supply formula high energy ignition device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108666979A (en) * 2018-04-24 2018-10-16 湖北三江航天万峰科技发展有限公司 A kind of high-voltage switch power supply real-time guard device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108666979A (en) * 2018-04-24 2018-10-16 湖北三江航天万峰科技发展有限公司 A kind of high-voltage switch power supply real-time guard device

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