CN201975850U - Voltage-shock prevention circuit - Google Patents
Voltage-shock prevention circuit Download PDFInfo
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- CN201975850U CN201975850U CN2011200254315U CN201120025431U CN201975850U CN 201975850 U CN201975850 U CN 201975850U CN 2011200254315 U CN2011200254315 U CN 2011200254315U CN 201120025431 U CN201120025431 U CN 201120025431U CN 201975850 U CN201975850 U CN 201975850U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
Abstract
The utility model discloses a voltage-shock prevention circuit. The voltage-shock prevention circuit comprises a first control power supply, an ultracapacitor tank circuit, a DC/DC booster circuit, an anti-reverse circuit and a second control power supply which are sequentially connected in series. In the utility model, after the voltage-shock prevention circuit is added to the return circuit of the first control power supply, the ultracapacitor tank circuit outputs stable voltage through the DC/DC booster circuit, and the stable voltage is connected with the second control power supply through the anti-reverse circuit, so that accidents threatening safety production and property loss which are caused by tripping and stopping of a protection device due to voltage shock are avoided. The voltage-shock prevention circuit can be applied to the filed of electric works, particularly to protection devices of power equipment, and has high practicability.
Description
Technical field
The utility model relates to a kind of anti-shake electricity circuit, belongs to the electric equipment protection field.
Background technology
In the power system operation process, owing to reasons such as thunderbolt, shorted to earth, fault reclosing, prepared auto restart, enterprises, outside electric network fault, main equipment startings, cause line voltage moment to fluctuate by a relatively large margin or phenomenon that instant cut-off recovers again, be called " rolling ".The appearance of rolling electricity; to requiring large number quipments not allow the enterprise of protective device tripping grinder in the continuous production in technological process is catastrophic; the lighter's hundreds of thousands, up to ten million economic loss, weight person also security incident can occur, causes huge property loss to enterprise.
Summary of the invention
The utility model purpose: at the problem and shortage that above-mentioned prior art exists, the purpose of this utility model provides a kind of anti-shake electricity circuit, and this circuit can prevent because of shaking the electric industrial enterprise's industrial accident that is caused.
Technical scheme: for realizing above-mentioned utility model purpose, the technical solution adopted in the utility model is: a kind of anti-shake electricity circuit comprises the first control power supply, super capacitor energy-storage circuit, DC/DC booster circuit, anti-reverse circuit and the second control power supply of serial connection successively.
Described super capacitor energy-storage circuit is: the anode of diode D1 connects the first control power supply, 1 positive pole, the end of the negative electrode connecting resistance R1 of diode D1; Super capacitor C2 and C1 series connection back be parallel resistance R2 and R3 respectively, wherein resistance R 2 and R3 series connection, the other end of the positive terminating resistor R1 of super capacitor C2, an end of resistance R 2, the negative terminal of the positive termination super capacitor C2 of super capacitor C1, the reference ground of this circuit of termination of the negative terminal of super capacitor C1 and resistance R 3.
Described DC/DC booster circuit is: the boost terminal 6,3 and 7 of control integrated circuit U1 of positive pole, an end of resistance R 2, an end of inductance L 1, the DC/DC that the positive pole of tantalum capacitor C 3 connects tantalum capacitor C 4; The boost terminal 4 of control integrated circuit U1 of the negative pole of tantalum capacitor C 3, C4 and DC/DC connects the reference ground of this circuit; Another termination DC/DC of inductance L 1 the boost terminal 5 of control integrated circuit U1, the anode of diode D2; The negative electrode of diode D2 connects the anode of tantalum capacitor C 7 and C8, an end of resistance R 6; DC/DC the boost other end of terminal 2 connecting resistance R6 of control integrated circuit U1 and an end of resistance R 5, terminal 1 connects the reference ground of this circuit by resistance R 4, capacitor C 6, and terminal 8 connects reference of this circuit by capacitor C 5; The negative pole of the other end of resistance R 5, tantalum capacitor C 7 and C8 connects the reference ground of this circuit.
Described anti-reverse circuit is: the anode of diode D3 connects the anode of negative electrode, tantalum capacitor C 7 and the C8 of diode D2, an end of resistance R 6, and the negative electrode of diode D3 connects the second control positive source.
Beneficial effect: after adding anti-shake electricity circuit on the first control electric power loop; the super capacitor energy-storage circuit is through DC/DC booster circuit output burning voltage; be connected to the second control power supply by anti-reverse circuit, can solve protective device and cause enterprise security production accident and property loss because of shaking the electricity tripping grinder.The utility model particularly in the electric equipment protection device is used, has very high practicability in the electrical engineering field.
Description of drawings
Fig. 1 is the block diagram of the utility model anti-shake electricity circuit;
Fig. 2 is the physical circuit figure of Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only be used to the utility model is described and be not used in the restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present utility model.
The utility model anti-shake electricity circuit is used to solve the rolling electricity problem of industrial occasions, is particularly suitable for causing because of a variety of causes the industrial occasions of line voltage transient fluctuation and don't permission protective device tripping grinder.
As shown in Figure 1, the utility model anti-shake electricity circuit comprises the first control power supply 1, super capacitor energy-storage circuit 10, DC/DC booster circuit 20, anti-reverse circuit 30 and the second control power supply 2; Super capacitor circuit 10, the first control power supplys 1 of described anti-shake electricity circuit give the super capacitor circuit 10 charging energy storage, and super capacitor passes to DC/DC booster circuit 20 with voltage; The DC/DC booster circuit of described anti-shake electricity circuit carries out boosting inverter with the voltage of super capacitor, exports stable voltage; The anti-reverse circuit 30 of described anti-shake electricity circuit is exported the positive pole that burning voltage is connected to the second control power supply 2 with booster circuit.
As shown in Figure 2, described super capacitor energy-storage circuit 10 comprises a diode D1, current-limiting resistance R1, two super capacitor C1 and C2 and two balance resistance R2 and R3.Diode D1 anode connects the first control power supply, 1 positive pole, and negative electrode meets current-limiting resistance R1; Two super capacitor C1 and C2 series connection are also distinguished a balance resistance R2 in parallel and R3, and the positive termination current-limiting resistance of super capacitor C1 R1, super capacitor C2 negative terminal connect the reference ground of this circuit.
Described DC/DC booster circuit 20 comprises a DC/DC boost control integrated circuit U1, inductance L 1, diode D2, four tantalum capacitor C 3, C4, C7 and C8, resistance R 4, R5 and R6 and capacitor C 5, C6.Inductance L 1 two ends connect DC/DC boost control integrated circuit U1 input terminal 6 and lead-out terminal 5 respectively, and diode D2 anode connects the DC/DC control integrated circuit lead-out terminal 5 that boosts.Diode D2 negative electrode connects two tantalum capacitor C 7 and C8 positive pole.Two tantalum capacitor C 3 and C4 be anodal is connected the DC/DC control integrated circuit U1 input terminal 6 that boosts, and tantalum capacitor C 3 and C4 negative pole connect the reference of this circuit.DC/DC boost control integrated circuit U1 terminal 3 and 7 and terminal 6 short circuits, terminal 4 connects the reference ground of this circuit, and terminal 8 connects reference the ground of this circuit by a capacitor C 5, and terminal 1 is formed the reference that resistance-capacitance network connects this circuit by resistance R 4 and C6; Resistance R 6 one terminating diode D2 negative electrodes, the other end dividing potential drop of connecting with resistance R 5, the reference ground of resistance R 5 another these circuit of termination; Two tantalum capacitor C 7 and C8 positive pole in parallel connects diode D2 negative electrode, and negative pole connects reference of this circuit; Resistance R 5 and R6 dividing potential drop obtain voltage and are connected to terminal 2.
The anti-reverse circuit 30 of described anti-shake electricity circuit comprises a diode D3, and diode D3 anode is connected to tantalum capacitor C 8 positive poles, and diode D3 negative electrode is connected to the second control power supply, 2 positive poles.
Claims (4)
1. an anti-shake electricity circuit is characterized in that: comprise the first control power supply (1), super capacitor energy-storage circuit, DC/DC booster circuit, anti-reverse circuit and the second control power supply (2) of serial connection successively.
2. anti-shake electricity circuit according to claim 1, it is characterized in that: described super capacitor energy-storage circuit is: the anode of diode D1 connects first control power supply (1) positive pole, the end of the negative electrode connecting resistance R1 of diode D1; Super capacitor C2 and C1 series connection back be parallel resistance R2 and R3 respectively, wherein resistance R 2 and R3 series connection, the other end of the positive terminating resistor R1 of super capacitor C2, an end of resistance R 2, the negative terminal of the positive termination super capacitor C2 of super capacitor C1, the reference ground of this circuit of termination of the negative terminal of super capacitor C1 and resistance R 3.
3. anti-shake according to claim 2 electricity circuit, it is characterized in that: described DC/DC booster circuit is: the boost terminal 6,3 and 7 of control integrated circuit U1 of positive pole, an end of resistance R 2, an end of inductance L 1, the DC/DC that the positive pole of tantalum capacitor C 3 connects tantalum capacitor C 4; The boost terminal 4 of control integrated circuit U1 of the negative pole of tantalum capacitor C 3, C4 and DC/DC connects the reference ground of this circuit; Another termination DC/DC of inductance L 1 the boost terminal 5 of control integrated circuit U1, the anode of diode D2; The negative electrode of diode D2 connects the anode of tantalum capacitor C 7 and C8, an end of resistance R 6; DC/DC the boost other end of terminal 2 connecting resistance R6 of control integrated circuit U1 and an end of resistance R 5, terminal 1 connects the reference ground of this circuit by resistance R 4, capacitor C 6, and terminal 8 connects reference of this circuit by capacitor C 5; The negative pole of the other end of resistance R 5, tantalum capacitor C 7 and C8 connects the reference ground of this circuit.
4. anti-shake electricity circuit according to claim 3, it is characterized in that: described anti-reverse circuit is: the anode of diode D3 connects the anode of negative electrode, tantalum capacitor C 7 and the C8 of diode D2, an end of resistance R 6, and the negative electrode of diode D3 connects second control power supply (2) positive pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200254315U CN201975850U (en) | 2011-01-26 | 2011-01-26 | Voltage-shock prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200254315U CN201975850U (en) | 2011-01-26 | 2011-01-26 | Voltage-shock prevention circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975850U true CN201975850U (en) | 2011-09-14 |
Family
ID=44580948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200254315U Expired - Lifetime CN201975850U (en) | 2011-01-26 | 2011-01-26 | Voltage-shock prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074996A (en) * | 2011-01-26 | 2011-05-25 | 江苏斯菲尔电气股份有限公司 | Voltage shock avoiding circuit |
-
2011
- 2011-01-26 CN CN2011200254315U patent/CN201975850U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074996A (en) * | 2011-01-26 | 2011-05-25 | 江苏斯菲尔电气股份有限公司 | Voltage shock avoiding circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110914 |
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| CX01 | Expiry of patent term |