CN209472556U - A kind of electric power management circuit that stability is high - Google Patents
A kind of electric power management circuit that stability is high Download PDFInfo
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- CN209472556U CN209472556U CN201822044081.1U CN201822044081U CN209472556U CN 209472556 U CN209472556 U CN 209472556U CN 201822044081 U CN201822044081 U CN 201822044081U CN 209472556 U CN209472556 U CN 209472556U
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Abstract
The utility model discloses the supplying resistances that a kind of 19th resistance R19 of the electric power management circuit that stability is high, the 139th resistance R139 are switching power source chip U23, it can be with monitoring input voltage effect by two resistance, U23 is power supply chip, by issuing pwm pulse to the first transformer T1, concussion is motivated.After first transformer T1 shakes, relevant voltage can be exported from delivery outlet, DC power supply is obtained by the 5th diode D5 and the 4th diode D4.The utility model can control PWM wave by optocoupler, and optocoupler drives the amplification driving of rear voltage difference, while obtaining burning voltage by three linear power supply chips, power to rear power unit.
Description
Technical field
The utility model relates to the power circuit of Intelligent control cabinet, especially a kind of electric power management circuit that stability is high.
Background technique
Novel automatic Intelligent control is to preferably realize that high-tension switch cabinet shows, measures, auto-control is set
It is standby.Equipment by input switch amount realize monitoring breaker point, breaker conjunction, energy storage, ground connection, operating position, experimental site,
Etc. functions, the display of switchgear mode of operation and communication are uploaded to realize.
The power supply conversion output of existing control cabinet is unstable, is easy to appear circuit concussion or instantaneous pressure etc. to rear electricity
Road impacts.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of power management that stability is high electricity
Road, including three linear power supply chips, ballast resistance and optocoupler, can control PWM wave by optocoupler, and optocoupler drives rear voltage difference
Amplification driving, while burning voltage is obtained by three linear power supply chips, it powers to rear power unit.
The purpose of this utility model is achieved through the following technical solutions:
A kind of electric power management circuit that stability is high, including power supply chip U23, the 19th resistance R19, the 139th
Resistance R139, the 14th capacitor C14, the 15th capacitor C15, the 8th diode D8, the 7th diode D7, the first transformer T1,
5th diode D5, the 11st capacitor C11, first resistor R1, the 19th capacitor C19, linear power supply chip U12, the 20th electricity
Hold C20, the 41st capacitor C41, the 4th diode D4, the 12nd capacitor C12, the 9th capacitor C9, the second inductance L2, the 6th electricity
Hold C6, the 5th capacitor C5, the 18th resistance R18, the 17th resistance R17, the 7th optocoupler U7, the 13rd capacitor C13, the tenth capacitor
C10, third diode D3, the 7th capacitor C7, thirteenth resistor R13 and the 14th resistance R14；
The feeder ear of power supply chip U23 passes through the 139th resistance R139, the 19th resistance R19, the 8th diode
D8, the 7th diode D7 are connected with the 4th end of power supply chip U23, and the feeder ear of power supply chip U23 passes through the 139th
Resistance R139, the 19th resistance R19 are connected with the second end of the first transformer T1；The 4th end of power supply chip U23 becomes with first
The first end of depressor T1 is connected；The second end of power supply chip U23 is grounded by the 15th capacitor C15, the 13rd capacitor C13, electricity
The second end of source chip U23 is grounded by the 14th capacitor C14, the 13rd capacitor C13；The first end and light of power supply chip U23
The collector of coupling U7 is connected, and the emitter of optocoupler U7 is grounded by the 13rd capacitor C13；
The tenth end of first transformer T1 is connected with the end GND, and the tenth end of the first transformer T1 also passes through the 11st capacitor
C11, the 5th diode D5 are connected with the 9th end of the first transformer T1, and the tenth end of the first transformer T1 also passes through first resistor
R1, the 5th diode D5 are connected with the 9th end of the first transformer T1, and the tenth end of the first transformer T1 also passes through the 19th electricity
Hold C19, the 5th diode D5 is connected with the 9th end of the first transformer T1, the tenth end of the first transformer T1 and linear power supply core
The second end of piece U12 is connected, the tenth end of the first transformer T1 pass through the 20th capacitor C20 and linear power supply chip U12 the
Three ends are connected, and the tenth end of the first transformer T1 passes through the third end phase of the 41st capacitor C41 and linear power supply chip U12
Even；The 9th end of first transformer T1 is connected by the 5th diode D5 with the first end of linear power supply chip U12, the first transformation
The 9th end of device T1 is connected by the 5th diode D5 with 12V voltage end, third end and the end the VCC phase of linear power supply chip U12
Even；
The 6th end of first transformer T1 is grounded, and the 5th end of the first transformer T1 passes through the 4th diode D4, the 12nd
5th end of capacitor C12 ground connection, the first transformer T1 is grounded by the 4th diode D4, the 9th capacitor C9, the first transformer T1
The 5th end by the 4th diode D4, the second inductance L2, the 6th capacitor C6 ground connection, the 5th end of the first transformer T1 passes through the
Four diode D4, the second inductance L2, the 5th capacitor C5 ground connection, the 5th end of the first transformer T1 pass through the 4th diode D4, the
Two inductance L2 are connected with 12V voltage end, the 5th end of the first transformer T1 by the 4th diode D4, the 18th resistance R18 with
The anode of optocoupler U7 is connected, and the 5th end of the first transformer T1 passes through the 4th diode D4, the 17th diode R17 and optocoupler U7
Cathode be connected, the 5th end of the first transformer T1 passes through the 4th diode D4, the second inductance L2, thirteenth resistor R13, the 7th
Capacitor C7 is connected with the cathode of optocoupler U7；The 5th end of first transformer T1 passes through the 4th diode D4, the second inductance L2, the tenth
Three resistance R13, the 14th resistance R14 ground connection；The cathode of optocoupler U7 is grounded by the tenth capacitor C10, and the cathode of optocoupler U7 passes through
The cathode of third diode D3 ground connection, optocoupler U7 is grounded by the 7th capacitor C7, third diode D3, and the cathode of optocoupler U7 passes through
7th capacitor C7, the 14th resistance R14 ground connection；The emitter of optocoupler U7 is grounded by the 13rd capacitor C13.
Preferably, the 19th resistance R19 and the 139th resistance R139 is supplying resistance.
The beneficial effects of the utility model are: the utility model includes three linear power supply chips, ballast resistance and optocoupler,
PWM wave can be controlled by optocoupler, optocoupler drives the amplification driving of rear voltage difference, while obtaining surely by three linear power supply chips
Constant voltage is powered to rear power unit.
Detailed description of the invention
Fig. 1 is the circuit structure diagram of the utility model.
Specific embodiment
The technical solution of the utility model, but the protection scope of the utility model are described in further detail with reference to the accompanying drawing
It is not limited to as described below.
A kind of electric power management circuit that stability is high, please refers to shown in attached drawing 1, including power supply chip U23, the 19th resistance
R19, the 139th resistance R139, the 14th capacitor C14, the 15th capacitor C15, the 8th diode D8, the 7th diode
D7, the first transformer T1, the 5th diode D5, the 11st capacitor C11, first resistor R1, the 19th capacitor C19, linear power supply
Chip U12, the 20th capacitor C20, the 41st capacitor C41, the 4th diode D4, the 12nd capacitor C12, the 9th capacitor C9,
Second inductance L2, the 6th capacitor C6, the 5th capacitor C5, the 18th resistance R18, the 17th resistance R17, the 7th optocoupler U7, the tenth
Three capacitor C13, the tenth capacitor C10, third diode D3, the 7th capacitor C7, thirteenth resistor R13 and the 14th resistance R14；
The feeder ear of power supply chip U23 passes through the 139th resistance R139, the 19th resistance R19, the 8th diode
D8, the 7th diode D7 are connected with the 4th end of power supply chip U23, and the feeder ear of power supply chip U23 passes through the 139th
Resistance R139, the 19th resistance R19 are connected with the second end of the first transformer T1；The 4th end of power supply chip U23 becomes with first
The first end of depressor T1 is connected；The second end of power supply chip U23 is grounded by the 15th capacitor C15, the 13rd capacitor C13, electricity
The second end of source chip U23 is grounded by the 14th capacitor C14, the 13rd capacitor C13；The first end and light of power supply chip U23
The collector of coupling U7 is connected, and the emitter of optocoupler U7 is grounded by the 13rd capacitor C13；
The tenth end of first transformer T1 is connected with the end GND, and the tenth end of the first transformer T1 also passes through the 11st capacitor
C11, the 5th diode D5 are connected with the 9th end of the first transformer T1, and the tenth end of the first transformer T1 also passes through first resistor
R1, the 5th diode D5 are connected with the 9th end of the first transformer T1, and the tenth end of the first transformer T1 also passes through the 19th electricity
Hold C19, the 5th diode D5 is connected with the 9th end of the first transformer T1, the tenth end of the first transformer T1 and linear power supply core
The second end of piece U12 is connected, the tenth end of the first transformer T1 pass through the 20th capacitor C20 and linear power supply chip U12 the
Three ends are connected, and the tenth end of the first transformer T1 passes through the third end phase of the 41st capacitor C41 and linear power supply chip U12
Even；The 9th end of first transformer T1 is connected by the 5th diode D5 with the first end of linear power supply chip U12, the first transformation
The 9th end of device T1 is connected by the 5th diode D5 with 12V voltage end, third end and the end the VCC phase of linear power supply chip U12
Even；
The 6th end of first transformer T1 is grounded, and the 5th end of the first transformer T1 passes through the 4th diode D4, the 12nd
5th end of capacitor C12 ground connection, the first transformer T1 is grounded by the 4th diode D4, the 9th capacitor C9, the first transformer T1
The 5th end by the 4th diode D4, the second inductance L2, the 6th capacitor C6 ground connection, the 5th end of the first transformer T1 passes through the
Four diode D4, the second inductance L2, the 5th capacitor C5 ground connection, the 5th end of the first transformer T1 pass through the 4th diode D4, the
Two inductance L2 are connected with 12V voltage end, the 5th end of the first transformer T1 by the 4th diode D4, the 18th resistance R18 with
The anode of optocoupler U7 is connected, and the 5th end of the first transformer T1 passes through the 4th diode D4, the 17th diode R17 and optocoupler U7
Cathode be connected, the 5th end of the first transformer T1 passes through the 4th diode D4, the second inductance L2, thirteenth resistor R13, the 7th
Capacitor C7 is connected with the cathode of optocoupler U7；The 5th end of first transformer T1 passes through the 4th diode D4, the second inductance L2, the tenth
Three resistance R13, the 14th resistance R14 ground connection；The cathode of optocoupler U7 is grounded by the tenth capacitor C10, and the cathode of optocoupler U7 passes through
The cathode of third diode D3 ground connection, optocoupler U7 is grounded by the 7th capacitor C7, third diode D3, and the cathode of optocoupler U7 passes through
7th capacitor C7, the 14th resistance R14 ground connection；The emitter of optocoupler U7 is grounded by the 13rd capacitor C13.
Preferably, the 19th resistance R19 and the 139th resistance R139 is supplying resistance.
It should be noted that the 19th resistance R19, the 139th resistance R139 are the confession of switching power source chip U23
Resistance, can be with monitoring input voltage effect by two resistance.U23 is power supply chip, by issuing pwm pulse to first
Transformer T1 motivates concussion.After first transformer T1 shakes, relevant voltage can be exported from delivery outlet, pass through the 5th
Diode D5 and the 4th diode D4 obtain DC power supply, power to rear circuit.Optocoupler U7 can control PWM wave, and optocoupler drives
Dynamic amplified by rear voltage difference drives.Linear power supply chip U12 is three linear power supplys, obtains burning voltage, gives rear electricity consumption
Unit power supply.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.
Claims (2)
1. a kind of electric power management circuit that stability is high, which is characterized in that including power supply chip U23, the 19th resistance R19,
139 resistance R139, the 14th capacitor C14, the 15th capacitor C15, the 8th diode D8, the 7th diode D7, first
Transformer T1, the 5th diode D5, the 11st capacitor C11, first resistor R1, the 19th capacitor C19, linear power supply chip U12,
20th capacitor C20, the 41st capacitor C41, the 4th diode D4, the 12nd capacitor C12, the 9th capacitor C9, the second inductance
L2, the 6th capacitor C6, the 5th capacitor C5, the 18th resistance R18, the 17th resistance R17, the 7th optocoupler U7, the 13rd capacitor
C13, the tenth capacitor C10, third diode D3, the 7th capacitor C7, thirteenth resistor R13 and the 14th resistance R14；
The feeder ear of power supply chip U23 passes through the 139th resistance R139, the 19th resistance R19, the 8th diode D8, the
Seven diode D7 are connected with the 4th end of power supply chip U23, and the feeder ear of power supply chip U23 passes through the 139th resistance
R139, the 19th resistance R19 are connected with the second end of the first transformer T1；The 4th end of power supply chip U23 and the first transformer
The first end of T1 is connected；The second end of power supply chip U23 is grounded by the 15th capacitor C15, the 13rd capacitor C13, power supply core
The second end of piece U23 is grounded by the 14th capacitor C14, the 13rd capacitor C13；The first end and optocoupler U7 of power supply chip U23
Collector be connected, the emitter of optocoupler U7 passes through the 13rd capacitor C13 ground connection；
The tenth end of first transformer T1 is connected with the end GND, the tenth end of the first transformer T1 also pass through the 11st capacitor C11,
5th diode D5 is connected with the 9th end of the first transformer T1, the tenth end of the first transformer T1 also pass through first resistor R1,
5th diode D5 is connected with the 9th end of the first transformer T1, and the tenth end of the first transformer T1 also passes through the 19th capacitor
C19, the 5th diode D5 are connected with the 9th end of the first transformer T1, the tenth end of the first transformer T1 and linear power supply chip
The second end of U12 is connected, and the tenth end of the first transformer T1 passes through the third of the 20th capacitor C20 and linear power supply chip U12
End is connected, and the tenth end of the first transformer T1 is connected by the 41st capacitor C41 with the third end of linear power supply chip U12；
The 9th end of first transformer T1 is connected by the 5th diode D5 with the first end of linear power supply chip U12, the first transformer
The 9th end of T1 is connected by the 5th diode D5 with 12V voltage end, and the third end of linear power supply chip U12 is connected with the end VCC；
The 6th end of first transformer T1 is grounded, and the 5th end of the first transformer T1 passes through the 4th diode D4, the 12nd capacitor
C12 ground connection, the 5th end of the first transformer T1 is by the 4th diode D4, the 9th capacitor C9 ground connection, and the of the first transformer T1
Five ends pass through the four or two by the 4th diode D4, the second inductance L2, the 6th capacitor C6 ground connection, the 5th end of the first transformer T1
5th end of pole pipe D4, the second inductance L2, the 5th capacitor C5 ground connection, the first transformer T1 passes through the 4th diode D4, the second electricity
Sense L2 is connected with 12V voltage end, and the 5th end of the first transformer T1 passes through the 4th diode D4, the 18th resistance R18 and optocoupler
The anode of U7 is connected, the yin that the 5th end of the first transformer T1 passes through the 4th diode D4, the 17th diode R17 and optocoupler U7
Extremely it is connected, the 5th end of the first transformer T1 passes through the 4th diode D4, the second inductance L2, thirteenth resistor R13, the 7th capacitor
C7 is connected with the cathode of optocoupler U7；The 5th end of first transformer T1 passes through the 4th diode D4, the second inductance L2, the 13rd electricity
Hinder R13, the 14th resistance R14 ground connection；The cathode of optocoupler U7 is grounded by the tenth capacitor C10, and the cathode of optocoupler U7 passes through third
The cathode of diode D3 ground connection, optocoupler U7 is grounded by the 7th capacitor C7, third diode D3, and the cathode of optocoupler U7 passes through the 7th
Capacitor C7, the 14th resistance R14 ground connection；The emitter of optocoupler U7 is grounded by the 13rd capacitor C13.
2. a kind of electric power management circuit that stability is high according to claim 1, which is characterized in that the 19th resistance R19 and
139th resistance R139 is supplying resistance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822044081.1U CN209472556U (en) | 2018-12-06 | 2018-12-06 | A kind of electric power management circuit that stability is high |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822044081.1U CN209472556U (en) | 2018-12-06 | 2018-12-06 | A kind of electric power management circuit that stability is high |
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| CN209472556U true CN209472556U (en) | 2019-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660126A (en) * | 2018-12-06 | 2019-04-19 | 安徽凯川电力保护设备有限公司 | A kind of electric power management circuit that stability is high |
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- 2018-12-06 CN CN201822044081.1U patent/CN209472556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660126A (en) * | 2018-12-06 | 2019-04-19 | 安徽凯川电力保护设备有限公司 | A kind of electric power management circuit that stability is high |
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