CN207117475U - A kind of power circuit of intelligent electric brake - Google Patents
A kind of power circuit of intelligent electric brake Download PDFInfo
- Publication number
- CN207117475U CN207117475U CN201721023681.9U CN201721023681U CN207117475U CN 207117475 U CN207117475 U CN 207117475U CN 201721023681 U CN201721023681 U CN 201721023681U CN 207117475 U CN207117475 U CN 207117475U
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- electric capacity
- voltage stabilizing
- stabilizing chip
- power circuit
- resistance
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Abstract
The utility model discloses a kind of power circuit of intelligent electric brake, including dc source, DC supply input interface, Transient Suppression Diode, the first electrochemical capacitor, voltage stabilizing chip, the first inductance, the first electric capacity, first resistor and second resistance.A kind of power circuit of intelligent electric brake of the utility model; by being arranged on DC supply input interface, Transient Suppression Diode is set; protection power source circuit is not impacted by high voltage transient spike, and power circuit can carry out normal work, improves the stability of power circuit；First electrochemical capacitor is set at voltage stabilizing chip in addition, and the spike of protection high voltage transient damages voltage stabilizing chip, ensures the normal work of power circuit.The utility model can be widely applied to power circuit field as a kind of power circuit of intelligent electric brake.
Description
Technical field
Power circuit field is the utility model is related to, especially a kind of power circuit of intelligent electric brake.
Background technology
In current social life, electric power has become an indispensable part, at the same time, triggers due to electric power
Security incident is also increasing.In daily life, the charging problems of electrical appliance go out again, usually due to forgetting to pull out power supply stopping pair
Electrical appliance charges, and causes electrical appliance to be generated heat due to long-time charging serious, triggers blast and cause fire, to the person of user
Safety be on the hazard and and property cause damage, this problems demand solve.Therefore, there is intelligent electric brake, intelligent electric brake
It is by being detected to the charging current of electrical appliance, MCU to charging current by being monitored, when charging current exception,
The safety of the charging circuit protection electrical appliance of cut-out electrical appliance is to ensure Electrical Safety.However, the power circuit of intelligent electric brake
Less stable, the job stability of intelligent electric brake is caused to be affected, can not normal work.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of electricity of the good intelligent electric brake of stability
Source circuit.
Technical scheme is used by the utility model：A kind of power circuit of intelligent electric brake, including dc source, direct current
Power input interface, Transient Suppression Diode, the first electrochemical capacitor, voltage stabilizing chip, the first inductance, the first electric capacity, first resistor
And second resistance；The dc source is connected with DC supply input interface；First output of the DC supply input interface
End is connected with the negative electrode of Transient Suppression Diode；The second output end and Transient Suppression Diode of the DC supply input interface
Anode connection；The plus earth of the Transient Suppression Diode；The negative electrode of the Transient Suppression Diode and the first electrolysis electricity
The positive pole of appearance, the input pin connection of voltage stabilizing chip；The negative pole of first electrochemical capacitor and the grounding leg of voltage stabilizing chip connect；Institute
State the negative pole ground connection of the first electrochemical capacitor；The SW pin of the voltage stabilizing chip are connected with one end of the first inductance；First inductance
The other end be connected with one end of the first electric capacity, one end of first resistor；The other end of the first resistor and voltage stabilizing chip
One end connection of FB pin, second resistance；The other end of first electric capacity, the other end ground connection of second resistance；First electricity
Output end of the other end of sense as power circuit.
Further, the voltage stabilizing chip is the lowering and stabilizing blood pressure chip of SGM6132 models.
Further, the dc source is 24V dc sources.
Further, the power circuit also includes the first Schottky diode, and the of the DC supply input interface
One output end is connected by the positive pole of the first Schottky diode and Transient Suppression Diode.
Further, the power circuit also includes the second Schottky diode, the second electric capacity, the 3rd electric capacity, the 4th electricity
Appearance, the 5th electric capacity, the 6th electric capacity, 3rd resistor, the 4th resistance and the 5th resistance；The negative electrode of the Transient Suppression Diode and
One end connection of two electric capacity；The other end ground connection of second electric capacity；The SW pin of the voltage stabilizing chip and the pole of the second Schottky two
One end connection of the negative pole of pipe, the 3rd electric capacity；The plus earth of second Schottky diode；3rd electric capacity it is another
End is connected with the BS pin of voltage stabilizing chip；The COMP pin of the voltage stabilizing chip connect with one end of the 4th electric capacity, one end of the 5th electric capacity
Connect；The other end of 4th electric capacity is connected with one end of the 5th resistance；The other end of 5th resistance, the 5th electric capacity it is another
One end is grounded；The SS pin of the voltage stabilizing chip are connected with one end of the 6th electric capacity；The other end ground connection of 6th electric capacity；It is described
The negative electrode of Transient Suppression Diode and one end of 3rd resistor connect；The other end of the 3rd resistor and the EN of voltage stabilizing chip
One end connection of pin, the 4th resistance；The other end ground connection of 4th resistance.
The beneficial effects of the utility model are：A kind of power circuit of intelligent electric brake of the utility model is straight by being arranged on
Flow and Transient Suppression Diode is set at power input interface, protection power source circuit is not impacted by high voltage transient spike, electricity
Source circuit can carry out normal work, improve the stability of power circuit；First electrochemical capacitor is set at voltage stabilizing chip in addition,
High voltage transient spike damage voltage stabilizing chip is protected, ensures the normal work of power circuit.
Brief description of the drawings
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is an a kind of specific embodiment circuit diagram of power circuit of the utility model.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.
A kind of power circuit of intelligent electric brake, with reference to figure 1, Fig. 1 is an a kind of specific reality of power circuit of the utility model
Apply a circuit diagram；Power circuit includes dc source, DC supply input interface P1, Transient Suppression Diode D1, the first electrolysis
Electric capacity DJ1, voltage stabilizing chip U1, the first inductance L1, the first electric capacity C1, first resistor R1 and second resistance R2；Dc source with it is straight
Flow power input interface P1 connections；DC supply input interface P1 the first output terminals A and Transient Suppression Diode D1 negative electrode
Connection；DC supply input interface P1 the second output end B is connected with Transient Suppression Diode D1 anode；Transient state suppresses two poles
Pipe D1 plus earth；The input of Transient Suppression Diode D1 negative electrode and the first electrochemical capacitor DJ1 positive pole, voltage stabilizing chip U1
Pin IN connections；First electrochemical capacitor DJ1 negative pole is connected with voltage stabilizing chip U1 grounding leg GND；First electrochemical capacitor DJ1's is negative
Pole is grounded；Voltage stabilizing chip U1 SW pin are connected with the first inductance L1 one end；The first inductance L1 other end and the first electric capacity C1
One end, first resistor R1 one end connection；The first resistor R1 other end and voltage stabilizing chip U1 FB pin, second resistance R2
One end connects；The first electric capacity C1 other end, second resistance R2 other end ground connection；The first inductance L1 other end is as power supply
The output end of circuit.
Transient Suppression Diode D1 is the Anti-surging element TVS diode of DC supply input interface, and it, which has, is exceedingly fast
Response time (subnanosecond level) and at a relatively high surge absoption ability.When its both ends are subjected to the high energy impact events of moment,
Impedance value between both ends can be changed into Low ESR by TVS with high speed from high impedance, to absorb an instantaneous large-current, it
Both end voltage strangulation one it is predetermined numerically, so as to protect circuit element below not by high voltage transient spike
Impact；Therefore, in the utility model, Transient Suppression Diode D1 protection power sources circuit is set not by high voltage transient spike
Damage, improve the stability of power circuit；Meanwhile Transient Suppression Diode D1 is also with preventing dc source both positive and negative polarity anti-plug
Function.In addition, the first electrochemical capacitor DJ1, for protecting voltage stabilizing chip U1, prevents high voltage transient as the second heavy Anti-surging element
Spike damage voltage stabilizing chip U1；The stability of power circuit is further improved, ensures the normal work of power circuit.
As the further improvement of technical scheme, with reference to figure 1, voltage stabilizing chip U1 is the lowering and stabilizing blood pressure core of SGM6132 models
Piece；Dc source is 24V dc sources.24V dc sources are converted into 4V dc sources by Fig. 1 circuit to export.Enter one
Step ground, power circuit also include the first Schottky diode X1, and DC supply input interface P1 the first output terminals A passes through first
Schottky diode X1 is connected with Transient Suppression Diode D1 positive pole.Pass through the first Schottky diode X1, enhancing power supply electricity
The anti-reverse function in road, ensure that power circuit is not damaged by.
As the further improvement of technical scheme, with reference to figure 1, power circuit also includes the second Schottky diode X2, the
Two electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6,3rd resistor R3, the 4th resistance R4 and
5th resistance R5；Transient Suppression Diode D1 negative electrode is connected with the second electric capacity C2 one end；Second electric capacity C2 another termination
Ground；Voltage stabilizing chip U1 SW pin are connected with the second Schottky diode X2 negative pole, the 3rd electric capacity C3 one end；Second Schottky
Diode X2 plus earth；The 3rd electric capacity C3 other end is connected with voltage stabilizing chip U1 BS pin；Voltage stabilizing chip U1 COMP
Pin is connected with the 4th electric capacity C4 one end, the 5th electric capacity C5 one end；The 4th electric capacity C4 other end and the one of the 5th resistance R5
End connection；The 5th resistance R5 other end, the 5th electric capacity C5 other end ground connection；Voltage stabilizing chip U1 SS pin and the 6th electric capacity C6
One end connection；6th electric capacity C6 other end ground connection；Transient Suppression Diode D1 negative electrode connects with 3rd resistor R3 one end
Connect；The 3rd resistor R3 other end is connected with voltage stabilizing chip U1 EN pin, the 4th resistance R4 one end；4th resistance R4's is another
End ground connection.Voltage stabilizing chip U1 peripheral circuit is realized by foregoing circuit, ensures voltage stabilizing chip normal work.
Above is preferably implement to be illustrated to of the present utility model, but the invention is not limited to the reality
Example is applied, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to the utility model spirit
Or replace, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (5)
1. a kind of power circuit of intelligent electric brake, it is characterised in that including dc source, DC supply input interface, transient state suppression
Diode, the first electrochemical capacitor, voltage stabilizing chip, the first inductance, the first electric capacity, first resistor and second resistance processed；The direct current
Power supply is connected with DC supply input interface；First output end of the DC supply input interface and Transient Suppression Diode
Negative electrode connects；Second output end of the DC supply input interface and the anode of Transient Suppression Diode connect；The transient state
Suppress the plus earth of diode；The positive pole of the negative electrode of the Transient Suppression Diode and the first electrochemical capacitor, voltage stabilizing chip
Input pin connects；The negative pole of first electrochemical capacitor and the grounding leg of voltage stabilizing chip connect；First electrochemical capacitor is born
Pole is grounded；The SW pin of the voltage stabilizing chip are connected with one end of the first inductance；The other end and the first electric capacity of first inductance
One end, first resistor one end connection；The other end of the first resistor and the FB pin of voltage stabilizing chip, one end of second resistance
Connection；The other end of first electric capacity, the other end ground connection of second resistance；The other end of first inductance is as power supply electricity
The output end on road.
2. the power circuit of a kind of intelligent electric brake according to claim 1, it is characterised in that the voltage stabilizing chip is
The lowering and stabilizing blood pressure chip of SGM6132 models.
3. the power circuit of a kind of intelligent electric brake according to claim 1, it is characterised in that the dc source is 24V
Dc source.
A kind of 4. power circuit of intelligent electric brake according to any one of claims 1 to 3, it is characterised in that the power supply
Circuit also includes the first Schottky diode, and the first output end of the DC supply input interface passes through the pole of the first Schottky two
Pipe is connected with the positive pole of Transient Suppression Diode.
5. the power circuit of a kind of intelligent electric brake according to claim 2, it is characterised in that the power circuit also includes
Second Schottky diode, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, 3rd resistor, the 4th electricity
Resistance and the 5th resistance；The negative electrode of the Transient Suppression Diode is connected with one end of the second electric capacity；Second electric capacity it is another
End ground connection；The SW pin of the voltage stabilizing chip are connected with one end of the negative pole of the second Schottky diode, the 3rd electric capacity；Described second
The plus earth of Schottky diode；The other end of 3rd electric capacity and the BS pin of voltage stabilizing chip connect；The voltage stabilizing chip
COMP pin be connected with one end of the 4th electric capacity, one end of the 5th electric capacity；The other end of 4th electric capacity and the 5th resistance
One end connects；The other end of 5th resistance, the other end ground connection of the 5th electric capacity；The SS pin of the voltage stabilizing chip and the 6th electricity
One end connection of appearance；The other end ground connection of 6th electric capacity；The negative electrode of the Transient Suppression Diode and the one of 3rd resistor
End connection；The other end of the 3rd resistor and the EN pin of voltage stabilizing chip, one end of the 4th resistance connect；4th resistance
The other end is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721023681.9U CN207117475U (en) | 2017-08-16 | 2017-08-16 | A kind of power circuit of intelligent electric brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721023681.9U CN207117475U (en) | 2017-08-16 | 2017-08-16 | A kind of power circuit of intelligent electric brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207117475U true CN207117475U (en) | 2018-03-16 |
Family
ID=61579006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721023681.9U Expired - Fee Related CN207117475U (en) | 2017-08-16 | 2017-08-16 | A kind of power circuit of intelligent electric brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207117475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109525209A (en) * | 2018-10-26 | 2019-03-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of power amplifier for minitype two-axle theodolite |
-
2017
- 2017-08-16 CN CN201721023681.9U patent/CN207117475U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109525209A (en) * | 2018-10-26 | 2019-03-26 | 中国科学院长春光学精密机械与物理研究所 | A kind of power amplifier for minitype two-axle theodolite |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20190816 |