CN207416597U - A kind of power circuit of electric vehicle motor controller - Google Patents
A kind of power circuit of electric vehicle motor controller Download PDFInfo
- Publication number
- CN207416597U CN207416597U CN201721452809.3U CN201721452809U CN207416597U CN 207416597 U CN207416597 U CN 207416597U CN 201721452809 U CN201721452809 U CN 201721452809U CN 207416597 U CN207416597 U CN 207416597U
- Authority
- CN
- China
- Prior art keywords
- capacitance
- resistance
- circuit
- power supply
- diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Dc-Dc Converters (AREA)
Abstract
The utility model provides a kind of power circuit of electric vehicle motor controller, and including high frequency transformer T3, the high frequency transformer T3 is connected with the first circuit, second servo loop, tertiary circuit and the 4th circuit；The power circuit electric energy all fully uses, and avoids the loss and waste of electric energy, improves transfer efficiency.
Description
Technical field
The utility model belongs to electric vehicle field more particularly to a kind of power circuit of electric vehicle motor controller.
Background technology
In electric vehicle, the stability of electric machine controller power supply part is considerable to electric machine controller.
The power supply circuit of electric machine controller at present, major part is using the isolation circuit of inverse-excitation converting mode or lifting modulating transformation
Circuit.The isolation circuit of inverse-excitation converting mode has the characteristics that circuit is simple, but also has shortcoming, such as inverse-excitation converting high frequency
The volume of switch transformer is big, and transfer efficiency is relatively low, low-voltage when work it is unreliable also unstable.Lift modulating transformation electricity
Road uses inductive mode, can only export single DC power supply outward, also need to quadratic transformation to multiple-channel output, use ten
Divide inconvenience, and when voltage fluctuation occurs for the DC power supply of input, lifting modulation translation circuit can be caused to export unstable,
Seriously affect the stability of electric machine controller work.
Utility model content
The purpose of this utility model is that in view of the above shortcomings of the prior art, provide a kind of motor in electric automobile control
The power circuit of device, the circuit structure is simple, the energy stable DC power supply of output multi-channel, and the modulation width of the circuit is big,
Power supply conversion efficiency is high, conversion is stablized, reliable.
To achieve the above object, the utility model employs following technical solution：
The utility model provides a kind of power circuit of electric vehicle motor controller, including high frequency transformer T3, institute
High frequency transformer T3 is stated with the first circuit, second servo loop, tertiary circuit and the 4th circuit to be connected；
First circuit includes：The first secondary coil of the high frequency transformer T3 and diode D93, resistance R351,
Zener diode D91, the second subprime coil of the high frequency transformer T3 form series circuit；Capacitance C225, capacitance C227, electricity
Hold C234 and capacitance C235 to be arranged in parallel with this series circuit；The diode D93 and capacitance C233 is arranged in parallel；The capacitance
C227 is arranged in series with resistance R34 6 and resistance R34 4；The resistance R34 4 is connected with DC power supply；The zener diode
The anode of D91 is connected with controller, the cathode ground connection of the zener diode D91；
The second servo loop includes：The 7th secondary coil of the high frequency transformer T3 and capacitance C226, voltage-stabiliser tube U44,
Resistance R34 9, capacitance C231, capacitance C54 form series circuit；Diode D90 is arranged in parallel with the capacitance C226；Capacitance
C229, capacitance C228 and capacitance C230 are arranged in parallel with the voltage-stabiliser tube U44；The capacitance C231 is in parallel with capacitance C56 to be set
It puts；One end ground connection of the voltage-stabiliser tube U44；
The tertiary circuit includes：The 4th primary coil of the high frequency transformer T3 and resistance R34 8, capacitance C220, electricity
Hold C221, diode D92 and form series circuit, resistance R34 5 and resistance R34 7 are arranged in parallel with this series circuit；Described two
The anode of pole pipe D92 is connected with the first end of switching tube Q26, the second end for closing pipe Q26 and resistance R353 and power supply core
The 6th end of piece U45 is connected in series connect；The 3rd end of the switching tube Q26 and resistance R357, capacitance C236, the power supply chip
The 3rd end of U45 is connected in series connect, resistance R358, resistance R359, resistance R360, resistance R356, resistance R354 and the resistance
The series circuit that R357 is formed is arranged in parallel；One end ground connection of the capacitance C236；
4th circuit includes：The 5th secondary coil of the high frequency transformer T3 and diode D89, inductance coil
L5, resistance R361, one end of Phototube Coupling pipe U47, capacitance C240, resistance R365, resistance 367 form series circuit；Capacitance
C319, capacitance C223, resistance R362, resistance R363, zener diode U46 and this series circuit are arranged in parallel；Capacitance C224, electricity
The one end for holding C239 and inductance coil L6 is set with this series circuit connected in series, and the other end is grounded；The resistance R361's
One end and the anode of diode D97 are arranged in series, and the cathode of the diode D97 connects DC power supply；The resistance R363 and two
The anode of pole pipe D96 is arranged in series, and the cathode of the diode D96 connects DC power supply；The diode D89 and capacitance C217 is simultaneously
Connection is set.
Further, the 7th termination DC power supply of the power supply chip U45；The first end of the power supply chip and the electricity
The 4th end of source chip U45 forms the 5th circuit, and the 5th circuit is connected with the other end of the Phototube Coupling pipe U47.
Further, the 5th circuit includes：Capacitance C232 and resistance R364, capacitance C237, resistance R366, resistance R355
Form series circuit；The capacitance C232 and resistance R350 is arranged in parallel；5th circuit is grounded by capacitance C238.
Further, the 5th end ground connection of the power supply chip U45.
Further, the 3rd primary coil of the high frequency transformer T3 is connected with DC power supply.
The beneficial effects of the utility model are：Electric energy all fully uses, and avoids the loss and waste of electric energy, improves
Transfer efficiency.
1) on-off circuit uses switch mosfet pipe, and the output terminal of power supply chip passes through at the beginning of switch mosfet pipe and transformer
One end of grade coil is connected, and the other end of transformer is connected by filter circuit with externally input DC power supply；
2) filter circuit output terminal connection overvoltage/under-voltage protecting circuit input terminal, overvoltage/under-voltage protecting circuit it is defeated
The input terminal of outlet and power supply chip connects, and overvoltage/under-voltage protecting circuit is setting the voltage control for being input to power supply chip
Within value range.
Description of the drawings
Fig. 1 is a kind of electrical block diagram of the power circuit of electric vehicle motor controller of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with the accompanying drawings and implement
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
Referring to Fig. 1, a kind of power circuit of electric vehicle motor controller, including high frequency transformer T3, the high frequency
Transformer T3 is connected with the first circuit, second servo loop, tertiary circuit and the 4th circuit；
First circuit includes：The first secondary coil of the high frequency transformer T3 and diode D93, resistance R351,
Zener diode D91, the second subprime coil of the high frequency transformer T3 form series circuit；Capacitance C225, capacitance C227, electricity
Hold C234 and capacitance C235 to be arranged in parallel with this series circuit；The diode D93 and capacitance C233 is arranged in parallel；The capacitance
C227 is arranged in series with resistance R34 6 and resistance R34 4；The resistance R34 4 is connected with DC power supply；The zener diode
The anode of D91 is connected with controller, the cathode ground connection of the zener diode D91；
The second servo loop includes：The 7th secondary coil of the high frequency transformer T3 and capacitance C226, voltage-stabiliser tube U44,
Resistance R34 9, capacitance C231, capacitance C54 form series circuit；Diode D90 is arranged in parallel with the capacitance C226；Capacitance
C229, capacitance C228 and capacitance C230 are arranged in parallel with the voltage-stabiliser tube U44；The capacitance C231 is in parallel with capacitance C56 to be set
It puts；One end ground connection of the voltage-stabiliser tube U44；
The tertiary circuit includes：The 4th primary coil of the high frequency transformer T3 and resistance R34 8, capacitance C220, electricity
Hold C221, diode D92 and form series circuit, resistance R34 5 and resistance R34 7 are arranged in parallel with this series circuit；Described two
The anode of pole pipe D92 is connected with the first end of switching tube Q26, the second end for closing pipe Q26 and resistance R353 and power supply core
The 6th end of piece U45 is connected in series connect；The 3rd end of the switching tube Q26 and resistance R357, capacitance C236, the power supply chip
The 3rd end of U45 is connected in series connect, resistance R358, resistance R359, resistance R360, resistance R356, resistance R354 and the resistance
The series circuit that R357 is formed is arranged in parallel；One end ground connection of the capacitance C236；
4th circuit includes：The 5th secondary coil of the high frequency transformer T3 and diode D89, inductance coil
L5, resistance R361, one end of Phototube Coupling pipe U47, capacitance C240, resistance R365, resistance 367 form series circuit；Capacitance
C319, capacitance C223, resistance R362, resistance R363, zener diode U46 and this series circuit are arranged in parallel；Capacitance C224, electricity
The one end for holding C239 and inductance coil L6 is set with this series circuit connected in series, and the other end is grounded；The resistance R361's
One end and the anode of diode D97 are arranged in series, and the cathode of the diode D97 connects DC power supply；The resistance R363 and two
The anode of pole pipe D96 is arranged in series, and the cathode of the diode D96 connects DC power supply；The diode D89 and capacitance C217 is simultaneously
Connection is set.
The 7th termination DC power supply of the power supply chip U45；The first end of the power supply chip and the power supply chip
The 4th end of U45 forms the 5th circuit, and the 5th circuit is connected with the other end of the Phototube Coupling pipe U47.
5th circuit includes：Capacitance C232 and resistance R364, capacitance C237, resistance R366, resistance R355, which are formed, to go here and there
Join circuit；The capacitance C232 and resistance R350 is arranged in parallel；5th circuit is grounded by capacitance C238.
The 5th end ground connection of the power supply chip U45.
The 3rd primary coil of the high frequency transformer T3 is connected with DC power supply.
Switching tube Q26 (15N20L) and high frequency transformer T3T3 is connected with externally input DC power supply VCC2, power supply core
Piece U45UCC28C41DR controls the operation of high frequency transformer T3 by switching tube Q26 (15N20L), and T3 grade of high frequency transformer is past
Outer output multi-channel DC power supply, major loop output voltage 5V, coil output voltage is after D90, C228, C229 rectifying and wave-filtering to steady
Pressure pipe U44 (MC78M05) voltage stabilizing exports 5V, and another group of coil output voltage exports non-after D89, C219, C213 rectifying and wave-filtering
The direct current 12V of voltage stabilizing, feedback circuit are to control linear optical isolation U47 (EN357N) anti-by forming pressure difference compared with voltage-stabiliser tube U46
Power supply chip U45 (UCC28C41DR) FB feet are given in feedback output, control to adjust switching tube Q26 (15N20L).
When the voltage value of externally input DC power supply is less than the voltage value of the DC power supply exported outward, power circuit
Into boosting modulation condition, the modulation width of high frequency transformer T3 becomes larger, and improves the voltage value of the DC power supply exported outward,
Make the voltage value stabilization of the DC power supply exported outward within the scope of setting.
When the voltage value of externally input DC power supply is more than the voltage value of the DC power supply exported outward, power circuit
Into decompression modulation condition, the modulation width of high frequency transformer T3 becomes smaller, so as to reduce the electricity of the DC power supply exported outward
Pressure value makes the voltage value stabilization of the DC power supply exported outward within the scope of setting.
Embodiment described above only expresses the embodiment of the utility model, and description is more specific and detailed, but simultaneously
Cannot the limitation to the utility model patent scope therefore be interpreted as.It should be pointed out that the ordinary skill for this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. a kind of power circuit of electric vehicle motor controller, it is characterised in that：Including high frequency transformer T3, the high frequency becomes
Depressor T3 is connected with the first circuit, second servo loop, tertiary circuit and the 4th circuit；
First circuit includes：The first secondary coil of the high frequency transformer T3 and diode D93, resistance R351, voltage stabilizing
Diode D91, the second subprime coil of the high frequency transformer T3 form series circuit；Capacitance C225, capacitance C227, capacitance
C234 and capacitance C235 is arranged in parallel with this series circuit；The diode D93 and capacitance C233 is arranged in parallel；The capacitance
C227 is arranged in series with resistance R34 6 and resistance R34 4；The resistance R34 4 is connected with DC power supply；The zener diode
The anode of D91 is connected with controller, the cathode ground connection of the zener diode D91；
The second servo loop includes：The 7th secondary coil of the high frequency transformer T3 and capacitance C226, voltage-stabiliser tube U44, resistance
R349, capacitance C231, capacitance C54 form series circuit；Diode D90 is arranged in parallel with the capacitance C226；Capacitance C229, electricity
Hold C228 and capacitance C230 to be arranged in parallel with the voltage-stabiliser tube U44；The capacitance C231 and capacitance C56 is arranged in parallel；It is described
One end ground connection of voltage-stabiliser tube U44；
The tertiary circuit includes：The 4th primary coil of the high frequency transformer T3 and resistance R34 8, capacitance C220, capacitance
C221, diode D92 form series circuit, and resistance R34 5 and resistance R34 7 are arranged in parallel with this series circuit；Two pole
The anode of pipe D92 is connected with the first end of switching tube Q26, the second end for closing pipe Q26 and resistance R353 and power supply chip
The 6th end of U45 is connected in series connect；The 3rd end of the switching tube Q26 and resistance R357, capacitance C236, the power supply chip
The 3rd end of U45 is connected in series connect, resistance R358, resistance R359, resistance R360, resistance R356, resistance R354 and the resistance
The series circuit that R357 is formed is arranged in parallel；One end ground connection of the capacitance C236；
4th circuit includes：The 5th secondary coil of the high frequency transformer T3 and diode D89, inductance coil L5, electricity
Hinder R361, one end of Phototube Coupling pipe U47, capacitance C240, resistance R365, the formation series circuit of resistance 367；Capacitance C319,
Capacitance C223, resistance R362, resistance R363, zener diode U46 and this series circuit are arranged in parallel；Capacitance C224, capacitance
One end of C239 and inductance coil L6 are set with this series circuit connected in series, and the other end is grounded；The one of the resistance R361
The anode with diode D97 is held to be arranged in series, the cathode of the diode D97 connects DC power supply；The resistance R363 and two poles
The anode of pipe D96 is arranged in series, and the cathode of the diode D96 connects DC power supply；The diode D89 is in parallel with capacitance C217
It sets.
2. a kind of power circuit of electric vehicle motor controller according to claim 1, it is characterised in that：The power supply
The 7th termination DC power supply of chip U45；The 4th end of the first end of the power supply chip and the power supply chip U45 form the
Five circuits, the 5th circuit are connected with the other end of the Phototube Coupling pipe U47.
3. a kind of power circuit of electric vehicle motor controller according to claim 2, it is characterised in that：Described 5th
Circuit includes：Capacitance C232 and resistance R364, capacitance C237, resistance R366, resistance R355 form series circuit；The capacitance
C232 is arranged in parallel with resistance R350；5th circuit is grounded by capacitance C238.
4. a kind of power circuit of electric vehicle motor controller according to claim 2, it is characterised in that：The power supply
The 5th end ground connection of chip U45.
5. a kind of power circuit of electric vehicle motor controller according to claim 1, it is characterised in that：The high frequency
The 3rd primary coil of transformer T3 is connected with DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721452809.3U CN207416597U (en) | 2017-11-01 | 2017-11-01 | A kind of power circuit of electric vehicle motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721452809.3U CN207416597U (en) | 2017-11-01 | 2017-11-01 | A kind of power circuit of electric vehicle motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207416597U true CN207416597U (en) | 2018-05-29 |
Family
ID=62307146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721452809.3U Active CN207416597U (en) | 2017-11-01 | 2017-11-01 | A kind of power circuit of electric vehicle motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207416597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624712A (en) * | 2018-12-29 | 2019-04-16 | 重庆德科电子仪表有限公司 | A kind of automobile instrument system |
-
2017
- 2017-11-01 CN CN201721452809.3U patent/CN207416597U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109624712A (en) * | 2018-12-29 | 2019-04-16 | 重庆德科电子仪表有限公司 | A kind of automobile instrument system |
| CN109624712B (en) * | 2018-12-29 | 2023-07-21 | 重庆德科电子仪表有限公司 | Automobile instrument system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201766507U (en) | High power factor constant current circuit | |
| CN106165283A (en) | Electronic installation and control method for the conversion of high-frequency AC DC | |
| CN104410279A (en) | Driving power source for power system fault detecting device | |
| CN102545552B (en) | Matching circuit and large-power pulse power supply using same | |
| CN207416597U (en) | A kind of power circuit of electric vehicle motor controller | |
| CN104300802A (en) | Single-stage boost inverter with magnetic integration transformer | |
| CN102611318A (en) | Continuous adjustable power supply with variable structure and constant power | |
| CN107026571A (en) | A kind of switching power unit | |
| CN206894505U (en) | A kind of switching power unit | |
| CN104467479A (en) | Novel logical protection amplifying type driving power supply for power system fault detection device | |
| CN205992856U (en) | Switching power supply and ammeter | |
| CN205142038U (en) | Switching power supply | |
| CN107425724A (en) | Flyback sourse preloading device | |
| CN202586772U (en) | Switching power supply | |
| CN102710107B (en) | Energy-feedback-based direct current active filtering method | |
| CN105515367A (en) | High-step-down DC/DC converter based on a Sepic circuit | |
| CN205407600U (en) | Frequency conversion equipment | |
| CN108322051A (en) | A kind of inverse-excitation type switch power-supply | |
| CN204597792U (en) | A kind of anti-interference voltage stabilizing circuit | |
| CN204068693U (en) | A kind of high step-down DC/DC converter based on Sepic circuit | |
| CN108683339A (en) | A method of improving LLC resonance circuit voltages input ranges | |
| CN204244501U (en) | For the power circuit of Industrial Weighing instrument | |
| CN207426989U (en) | A kind of regulator circuit for being suitable for exchange wide-amplitude fluctuation control source | |
| CN107707127A (en) | A kind of double conversion offset-type voltage-stabilized power supplies | |
| CN205584036U (en) | Constant current power supply adapter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220420 Address after: 430000 floor 5, building 4, No. 10, Changsheng Road, Changfeng Township, Qiaokou District, Wuhan City, Hubei Province Patentee after: Wuhan Blue Sea Technology Co.,Ltd. Address before: 430000 room 104 on the first floor and room 602 on the sixth floor of building 4, No. 10, Changsheng Road, Qiaokou District, Wuhan, Hubei Province Patentee before: WUHAN BOHAI ELECTRIC DRIVE SCIENCE AND TECHNOLOGY ENGINEERING Co.,Ltd. |