CN209250494U - A kind of high pressure power-supply circuit of wide scope input - Google Patents
A kind of high pressure power-supply circuit of wide scope input Download PDFInfo
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- CN209250494U CN209250494U CN201822083580.1U CN201822083580U CN209250494U CN 209250494 U CN209250494 U CN 209250494U CN 201822083580 U CN201822083580 U CN 201822083580U CN 209250494 U CN209250494 U CN 209250494U
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Abstract
The utility model provides a kind of high pressure power-supply circuit of wide scope input, it is characterized in that, it includes first resistor, first resistor is connect with first diode anode, first diode cathode is connect with first capacitor, first capacitor meets low pressure T-, first diode cathode is connect with 2 foot of power supply chip, first diode cathode is connect with second resistance, second resistance, 3rd resistor, 4th resistance and the 5th resistance are sequentially connected in series, 5th resistance meets high pressure T+, 3 feet of power supply chip are connect with the tenth resistance, tenth resistance is connect with eleventh resistor and metal-oxide-semiconductor grid, 4 feet of power supply chip are connect with twelfth resistor, the connection of the source electrode of twelfth resistor and metal-oxide-semiconductor；Utility model has the advantages that circuit begins to work, and the lowest point switchs the loss for reducing circuit when charging voltage reaches the starting of oscillation voltage of chip, metal-oxide-semiconductor temperature rise is reduced；Circuit is constituted simply, and composition component is few, improves the stability and reliability of power-supply system.
Description
Technical field
The utility model relates to the high pressure power-supply circuits that high pressure takes electrical domain more particularly to a kind of wide scope to input.
Background technique
In electric car, DC power supply is changed into exchange electricity output by inverter, and driving three-phase motor is in turn by electric energy
It is transformed into mechanical energy driving automobilism.It is the core of entire power drive system, therefore the quality of inverter performance is straight
It connects and is related to driving motor and can reliably, efficiently run.
The driving power of existing vehicle-mounted inverter mainly by 12V A-battery power, by recommending, flyback, BUCK,
The switching power circuits such as BOOST power to rear class.The reliability and stability of its power supply are the bases that inverter works normally
And key.In practical applications, if the 12V low-tension supply fails, entire inverter cannot be worked normally, to automobilism
Generate great risk.For the safety for improving entire motor driven systems, other set backup power source is needed to reduce system
The risk of failure.
Utility model content
The purpose of the utility model is to provide a kind of high pressure power-supply circuits of wide scope input, by setting to transformer
Meter realizes the function of the stabilized input voltage output from 60V to 600V.
To achieve the goals above, the technical solution of the utility model is:
A kind of high pressure power-supply circuit of wide scope input, which is characterized in that it includes first resistor, the first resistor
The anode of one end and first diode connects, and the cathode of the first diode and one end of first capacitor connect, and described first
Another termination low pressure T- of capacitor, the cathode of the first diode and 2 feet of power supply chip connect, the first diode
Cathode is also connect with one end of second resistance, and the second resistance, 3rd resistor, the 4th resistance and the 5th resistance are sequentially connected in series,
5th resistance meets high pressure T+, and the 5th resistance is connect with one end of the second capacitor, the 6th resistance and the 8th resistance respectively,
The other end of second capacitor is connect with one end of third capacitor, the other end of the 6th resistance and one end of the 7th resistance
Connection, the other end of the 8th resistance are connect with one end of the 9th resistance, the third capacitor, the 7th resistance and the 9th resistance
The other end connect with the cathode of the second diode,
3 feet of the power supply chip are connect with one end of the tenth resistance, the other end of the tenth resistance and the 11st electricity
One end of resistance and the grid connection of metal-oxide-semiconductor, 4 feet of the power supply chip and one end of twelfth resistor connect, and the described tenth
The connection of one end of the other end of two resistance and the source electrode of metal-oxide-semiconductor and thirteenth resistor, the anode and MOS of second diode
The drain electrode of pipe connects, another termination low pressure T- of the eleventh resistor and thirteenth resistor,
It further includes transformer, and one end of second capacitor, the 6th resistance and the 8th resistance connects with 1 foot of transformer
Connect, one end of the third capacitor, the 7th resistance and the 9th resistance is connect with 5 feet of transformer, the drain electrode of the metal-oxide-semiconductor with
5 feet of transformer connect,
The anode of 7 feet of the transformer and third diode is connect, and the cathode of the third diode is respectively with the 4th
Capacitor, the 5th capacitor, the 6th capacitor, the 7th capacitor, the 14th resistance, the 15th resistance, the 16th resistance and the 17th resistance
One end connection, 8 feet of the transformer respectively with the 4th capacitor, the 5th capacitor, the 6th capacitor, the 7th capacitor, the 14th electricity
The other end of resistance, the 15th resistance, the 16th resistance and the 17th resistance connects, and 8 feet of the transformer meet low pressure T-, described
The anode of 11 feet of transformer and the 4th diode connect, the cathode of the 4th diode respectively with the 8th capacitor, the 9th electric
One end of appearance, the tenth capacitor, the 11st capacitor, the 18th resistance, the 19th resistance, the 20th resistance and the 21st resistance connects
Connect, 12 feet of the transformer respectively with the 8th capacitor, the 9th capacitor, the tenth capacitor, the 11st capacitor, the 18th resistance,
The other end of 19 resistance, the 20th resistance and the 21st resistance connects, the 12 feet ground connection of the transformer.
Further, 6 feet of the power supply chip connect one end of the 22nd resistance and the 23rd resistance respectively, described
Another termination 15V of 22nd resistance is inputted, another termination low pressure T- of the 23rd resistance.
Utility model has the advantages that the circuit is using UCC28700 chip as core, when charging voltage reaches chip
Starting of oscillation voltage, entire circuit begin to work, and the loss of entire circuit is effectively reduced by the function that the lowest point switchs, and reduce
10 DEG C of metal-oxide-semiconductor temperature rise or so；The circuit is constituted simply, and composition component is few, improves the stability and reliability of power-supply system.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Appended drawing reference:
R1 ~ 23 first ~ 23 resistance
C1 ~ 11 first ~ 11 capacitors
T transformer
U power supply chip
QMOS pipe
The first ~ tetra- diode of D1 ~ 4.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
The utility model discloses a kind of high pressure power-supply circuits of wide scope input, which is characterized in that as shown in Figure 1, it
Including first resistor R1, the first resistor is preferably 22 Ω, and one end of the first resistor R1 and first diode D1 are just
Pole connection, the cathode of the first diode D1 are connect with one end of first capacitor C1, and the first capacitor is preferably 2.2 μ f,
Another termination low pressure T- of the first capacitor C1, the cathode of the first diode D1 are connect with 2 feet of power supply chip U, institute
The cathode for stating first diode D1 is also connect with one end of second resistance R2, the second resistance R2,3rd resistor R3, the 4th electricity
Resistance R4 and the 5th resistance R5 is sequentially connected in series, and the second resistance R2,3rd resistor R3, the 4th resistance R4 and the 5th resistance R are preferred
For 1M Ω resistance, the 5th resistance R5 meets high pressure T+, the 5th resistance R5 respectively with the second capacitor C2, the 6th resistance R6 and
One end of 8th resistance R8 connects, and the other end of the second capacitor C2 is connect with one end of third capacitor C3, second electricity
Holding C2 and third capacitor C3 is preferably 2.2nF, and the other end of the 6th resistance R6 is connect with one end of the 7th resistance R7, described
6th resistance R6 and the 7th resistance R7 is preferably 20K Ω, and the other end of the 8th resistance R8 and one end of the 9th resistance R9 connect
It connects, the 8th resistance R8 and the 9th resistance R9 is preferably 20K Ω, the third capacitor C3, the 7th resistance R7 and the 9th resistance
The other end of R9 is connect with the cathode of the second diode D2.
The 3 foot DRV of the power supply chip U are connect with one end of the tenth resistance R10, and the tenth resistance R10 is 5.1 Ω,
The other end of the tenth resistance R10 is connect with the grid of one end of eleventh resistor R11 and metal-oxide-semiconductor Q, the 11st electricity
Resistance R11 is 10K Ω, and 4 feet of the power supply chip U are connect with one end of twelfth resistor R12, and the twelfth resistor is 10K
The other end of Ω, the twelfth resistor R12 are connect with one end of the source electrode of metal-oxide-semiconductor Q and thirteenth resistor R13, and the 13rd
Resistance R13 is 3.3 Ω, and the anode of the second diode D2 is connect with the drain electrode of metal-oxide-semiconductor Q, the eleventh resistor R11 and the
Another termination low pressure T- of 13 resistance R13, the 5 foot GND of the power supply chip U meet low pressure T-.
It further includes transformer T, and one end of the second capacitor C2, the 6th resistance R6 and the 8th resistance R8 are and transformer
1 foot of T connects, and one end of the third capacitor C3, the 7th resistance R7 and the 9th resistance R9 are connect with 5 feet of transformer T, institute
The drain electrode for stating metal-oxide-semiconductor Q is connect with 5 feet of transformer T.
The power supply chip U use UCC28700, the second resistance R2 being concatenated, 3rd resistor R3, the 4th resistance R4 and
5th resistance R5 takes the first capacitor C1 charging for supplying electricity to the power supply of chip VDD foot from high pressure T+, when charging voltage reaches power supply chip U
Starting of oscillation voltage, entire circuit starts to work, works after power supply chip U starting of oscillation, feeds back to chip power supply, power supply through+15V output
Chip U controls output voltage by 6 foot VS pin branch pressure voltages, by the sample rate current of 4 foot CS pins come control switch duty
Than.
7 feet of the transformer T are connect with the anode of third diode D3, the 7 foot access+15V input of the transformer T
Voltage, the cathode of the third diode D3 respectively with the 4th capacitor C4, the 5th capacitor C5, the 6th capacitor C6, the 7th capacitor C7,
One end connection of 14th resistance R14, the 15th resistance R15, the 16th resistance R16 and the 17th resistance R17, the 4th capacitor
C4, the 5th capacitor C5, the 6th capacitor C6 and the 7th capacitor C7 are preferably 10 μ F, the 14th resistance R14, the 15th resistance R15,
16 resistance R16 and the 17th resistance R17 are preferably 1K Ω, 8 feet of the transformer T respectively with the 4th capacitor C4, the 5th electricity
Hold C5, the 6th capacitor C6, the 7th capacitor C7, the 14th resistance R14, the 15th resistance R15, the 16th resistance R16 and the 17th
The other end of resistance R17 connects, and 8 feet of the transformer T meet low pressure T-.
11 feet of the transformer T are connect with the anode of the 4th diode D4, the cathode difference of the 4th diode D4
With the 8th capacitor C8, the 9th capacitor C9, the tenth capacitor C10, the 11st capacitor C11, the 18th resistance R18, the 19th resistance
One end of R19, the 20th resistance R20 and the 21st resistance R21 connect, the 8th capacitor C8, the 9th capacitor C9, the tenth capacitor
C10 and the 11st capacitor C11 is preferably 10 μ F, the 18th resistance R18, the 19th resistance R19, the 20th resistance R20 and second
11 resistance R21 are preferably 1K Ω, 12 feet of the transformer T respectively with the 8th capacitor C8, the 9th capacitor C9, the tenth capacitor
C10, the 11st capacitor C11, the 18th resistance R18, the 19th resistance R19, the 20th resistance R20 and the 21st resistance R21
The other end connection, the transformer T 12 feet ground connection.
6 feet of the power supply chip U connect one end of the 22nd resistance R22 and the 23rd resistance R23 respectively, and described
22 resistance R22 are 82K Ω, and the 23rd resistance R23 is 27K Ω, another termination of the 22nd resistance R22
15V input, another termination low pressure T- of the 23rd resistance R23.
When it is implemented, high pressure T+ and low pressure T- are taken respectively from high-pressure side and the low-pressure side of inverter, pass through power supply chip U
Tremble frequency function reduce power circuit EMI interference 3db or more, by the lowest point switch function effectively reduce entire circuit
Loss reduces by 10 DEG C or so of metal-oxide-semiconductor Q temperature rise.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (2)
1. a kind of high pressure power-supply circuit of wide scope input, which is characterized in that it includes first resistor, and the one of the first resistor
It holds and is connect with the anode of first diode, the cathode of the first diode and one end of first capacitor connect, first electricity
Another termination low pressure T- held, the cathode of the first diode and 2 feet of power supply chip connect, and the first diode is born
Pole is also connect with one end of second resistance, and the second resistance, 3rd resistor, the 4th resistance and the 5th resistance are sequentially connected in series, institute
It states the 5th resistance and meets high pressure T+, the 5th resistance is connect with one end of the second capacitor, the 6th resistance and the 8th resistance respectively, institute
The other end for stating the second capacitor is connect with one end of third capacitor, and the other end of the 6th resistance and one end of the 7th resistance connect
It connects, the other end of the 8th resistance is connect with one end of the 9th resistance, the third capacitor, the 7th resistance and the 9th resistance
The other end is connect with the cathode of the second diode,
3 feet of the power supply chip are connect with one end of the tenth resistance, the other end of the tenth resistance and eleventh resistor
The connection of the grid of one end and metal-oxide-semiconductor, 4 feet of the power supply chip and one end of twelfth resistor connect, the 12nd electricity
The connection of one end of the other end of resistance and the source electrode of metal-oxide-semiconductor and thirteenth resistor, anode and the metal-oxide-semiconductor of second diode
Drain electrode connection, another termination low pressure T- of the eleventh resistor and thirteenth resistor,
It further includes transformer, and one end of second capacitor, the 6th resistance and the 8th resistance is connect with 1 foot of transformer,
One end of the third capacitor, the 7th resistance and the 9th resistance is connect with 5 feet of transformer, the drain electrode and change of the metal-oxide-semiconductor
5 feet of depressor connect,
The anode of 7 feet of the transformer and third diode is connect, the cathode of the third diode respectively with the 4th capacitor,
One end of 5th capacitor, the 6th capacitor, the 7th capacitor, the 14th resistance, the 15th resistance, the 16th resistance and the 17th resistance
Connection, 8 feet of the transformer respectively with the 4th capacitor, the 5th capacitor, the 6th capacitor, the 7th capacitor, the 14th resistance, the tenth
The other end of five resistance, the 16th resistance and the 17th resistance connects, and 8 feet of the transformer connect low pressure T-, the transformer
The anode of 11 feet and the 4th diode connect, the cathode of the 4th diode respectively with the 8th capacitor, the 9th capacitor, the tenth
One end connection of capacitor, the 11st capacitor, the 18th resistance, the 19th resistance, the 20th resistance and the 21st resistance, it is described
12 feet of transformer respectively with the 8th capacitor, the 9th capacitor, the tenth capacitor, the 11st capacitor, the 18th resistance, the 19th electricity
The other end connection of resistance, the 20th resistance and the 21st resistance, the 12 feet ground connection of the transformer.
2. the high pressure power-supply circuit of wide scope input according to claim 1, which is characterized in that the 6 of the power supply chip
Foot meets one end of the 22nd resistance and the 23rd resistance, another termination 15V input of the 22nd resistance, institute respectively
State another termination low pressure T- of the 23rd resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083580.1U CN209250494U (en) | 2018-12-12 | 2018-12-12 | A kind of high pressure power-supply circuit of wide scope input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083580.1U CN209250494U (en) | 2018-12-12 | 2018-12-12 | A kind of high pressure power-supply circuit of wide scope input |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209250494U true CN209250494U (en) | 2019-08-13 |
Family
ID=67532599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822083580.1U Active CN209250494U (en) | 2018-12-12 | 2018-12-12 | A kind of high pressure power-supply circuit of wide scope input |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209250494U (en) |
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2018
- 2018-12-12 CN CN201822083580.1U patent/CN209250494U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220304 Address after: No. 1088, Xinxing Third Road, Pinghu Economic Development Zone, Jiaxing City, Zhejiang Province, 314201 Patentee after: ZHEJIANG YIKONG POWER SYSTEM Co.,Ltd. Address before: 201804 Room 201, unit 3, building 5, Lane 56, Antuo Road, Anting Town, Jiading District, Shanghai Patentee before: SHANGHAI YIKONG POWER SYSTEM Co.,Ltd. |
|
| TR01 | Transfer of patent right |