CN102570576A - Standby power supply control circuit of roving frame - Google Patents
Standby power supply control circuit of roving frame Download PDFInfo
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- CN102570576A CN102570576A CN2012100432773A CN201210043277A CN102570576A CN 102570576 A CN102570576 A CN 102570576A CN 2012100432773 A CN2012100432773 A CN 2012100432773A CN 201210043277 A CN201210043277 A CN 201210043277A CN 102570576 A CN102570576 A CN 102570576A
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Abstract
The invention relates to a standby power supply control circuit of a roving frame. The standby power supply control circuit comprises a super-capacitor pre-charging circuit and more than two tandem super-capacitor voltage sharing protective circuits; the super-capacitor pre-charging circuit comprises resistors R1 and R2, a capacitor C1 and a power metal oxide semiconductor (MOS) tube Q1, wherein the resistor R1 and the capacitor C1 from an RC charging circuit; and each super-capacitor voltage sharing protective circuit comprises a super-capacitor C2, resistors R3 and R4, a precision voltage stabilizing tube D1 and a power triode Q2, wherein the resistors R3 and R4, the precision voltage stabilizing tube D1 and the power triode Q2 form a voltage sharing protective circuit for providing voltage sharing protection for the super-capacitor C2. The standby power supply control circuit has a good using effect and is low in cost.
Description
Technical field
The present invention relates to a kind of control circuit, be specifically related to a kind of control circuit of back-up source.
Background technology
At present, in the applied fly frame system, with mechanical operation is stable relatively, often supporting have a variable frequency power supply, also claims frequency converter for the ease of the regulation and control of many motor speeds.The quality of rove and the effect of frequency converter and operate as normal relation are greatly.During practical application; A rove unit is made up of many fly frames, by a computer realization team control, and every independent supporting frequency converter of fly frame; To realize and to guarantee that the strictness between fly frame main frame stabilized (steady-state) speed and each transmission mechanism cooperates, in order to guarantee the textile quality of rove.Yet can meet the unexpected interruption of power supply general supply or each fly frame independent power source at the unit duration of work; The motor that frequency converter is controlled can produce not controlled free stall, thereby causes certain even all unit fly frame instructions of stopping in emergency of can't object computer sending.In the implementation behind this instruction issuing in each mechanism the parking order of original strictness upset, thereby cause fly frame full court face broken yarn or clot, making the back that restores electricity be difficult to the state of resuming work at once, cause quality accident.
Based on above-mentioned situation; Someone has done some improvement; Set up a urgent power supply that replenishes of fly frame outage; Its operation principle is following: be made up of with the input that links to each other with dc battery jar, output switch circuit subsequent use dc battery jar; The input of storage battery and output switch circuit are the controlled switch circuit, and control circuit is by being that the microprocessing unit of core, the fly frame off-position transducer that links to each other with this unit input interface are formed with the switch triggering circuit that links to each other with this unit output interface with the central processing unit, and the output of storage battery is received on the DC power supply outside terminal of fly frame frequency-variable controller through switch; The dc battery jar output be through bidirectional diode be connected on the common bus of rove unit frequency converter external dc power terminal by controlled relay, receive controlled relay to be connected in the widely different road of storage battery or be connected among the storage battery power supply branch road; Fly frame off-position transducer is the phase failure of induction coil formula; The power-off protection relay; Being set in the mains supply line of rove unit or the fly frame supply lines branch road or two places of each independent operating all is provided with; The status signal of being gathered becomes digital signal through analog to digital converter, delivers to the input port of microprocessing unit again; In the structure of microprocessing unit; Central processing unit is arranged; Its peripheral chip is that the analog to digital converter that is located between state sensor and the serial line interface is located at the digital to analog converter between output port and the switching circuit; Judge and the memory of process control software that with linking to each other with buffer and having microprocessing unit is furnished with independently-powered uninterruption power source.But result of use neither be fine, and cost is higher.
Summary of the invention
Goal of the invention: the objective of the invention is in order to overcome deficiency of the prior art; Provide a kind of result of use good; Cost is lower, can solve the fly frame controller and when electric network power-fail, carry out the back-up source control circuit that required power supply during the power down protection is kept powerup issue.
Technical scheme: in order to solve the problems of the technologies described above fly frame back-up source control circuit of the present invention, the super capacitor voltage equalizing protection circuit composition that it comprises the super capacitor pre-charge circuit and connects more than two; Said super capacitor pre-charge circuit comprises resistance R 1, R2, capacitor C 1 and power MOS pipe Q1, and said resistance R 1 constitutes the RC charging circuit with capacitor C 1; Said super capacitor voltage equalizing protection circuit comprises super capacitor C2; Resistance R 3, R4, accurate voltage-stabiliser tube D1 and pliotron Q2, said resistance R 3, R4; Accurate voltage-stabiliser tube D1 and pliotron Q2 constitute the voltage equalizing protection circuit, to said super capacitor C2 voltage equalizing protection are provided.
In said super capacitor pre-charge circuit; Connect through resistance R 2 between the grid of said power MOS pipe Q1 and the drain electrode; Between the grid of said power MOS pipe Q1 and source electrode, connect through capacitor C 1, the source electrode of said power MOS pipe Q1 connects through resistance R 1 ground connection.
In said super capacitor voltage equalizing protection circuit; Form the loop through resistance R 4 with super capacitor C2 between the emitter and collector of said pliotron Q2; Be connected with the other end with accurate voltage-stabiliser tube D1 through resistance R 3 at said super capacitor C2 one end, the base stage of said pliotron Q2 is connected in the middle of said resistance R 3 and the accurate voltage-stabiliser tube D1.
The reference input of said accurate voltage-stabiliser tube D1 is connected super capacitor C2 one end.
Super capacitor pre-charge circuit according to the invention comprises peripheral RC circuit and metal-oxide-semiconductor, and the time of opening of utilizing peripheral RC circuit control metal-oxide-semiconductor and degree are done the charging of little electric current to super capacitor, prevent that overcurrent protection from appearring in the outside power supply of importing; When said super capacitor voltage equalizing protection circuit was used for super capacitor series connection application, protection the overvoltage damage occurred because of the performance characteristics difference of single super capacitor, and super capacitor voltage equalizing protection circuit comprises a big electric current voltage stabilizing circuit.
It is to utilize other time delay circuits to replace opening of RC circuit control metal-oxide-semiconductor that the present invention further improves, and makes the control of super capacitor preliminary filling meet different application scenarios more.
Beneficial effect: the present invention compared with prior art; Its remarkable advantage is: the present invention is through the big electric weight energy storage that utilizes super capacitor, the characteristic of high discharge capability; Simplified the design of back-up source; Reduced circuit cost, improved the reliability of back-up source, required power supply is kept powerup issue during having solved the fly frame controller and when electric network power-fail, carrying out power down protection.
Description of drawings
Fig. 1 is the circuit diagram of super capacitor pre-charge circuit among the present invention;
Fig. 2 is the circuit diagram of super capacitor voltage equalizing protection circuit among the present invention;
Fig. 3 is an enforcement circuit diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Like Fig. 1, Fig. 2 and shown in Figure 3, fly frame back-up source control circuit of the present invention, it comprises the super capacitor pre-charge circuit and the super capacitor voltage equalizing protection circuit of series connection more than two is formed; Said super capacitor pre-charge circuit comprises resistance R 1, R2, capacitor C 1 and power MOS pipe Q1, and said resistance R 1 constitutes the RC charging circuit with capacitor C 1; Said super capacitor voltage equalizing protection circuit comprises super capacitor C2; Resistance R 3, R4, accurate voltage-stabiliser tube D1 and pliotron Q2, said resistance R 3, R4; Accurate voltage-stabiliser tube D1 and pliotron Q2 constitute the voltage equalizing protection circuit, to said super capacitor C2 voltage equalizing protection are provided; In said super capacitor pre-charge circuit; Connect through resistance R 2 between the grid of said power MOS pipe Q1 and the drain electrode; Between the grid of said power MOS pipe Q1 and source electrode, connect through capacitor C 1, the source electrode of said power MOS pipe Q1 connects through resistance R 1 ground connection; In said super capacitor voltage equalizing protection circuit; Form the loop through resistance R 4 with super capacitor C2 between the emitter and collector of said pliotron Q2; Be connected with the other end with accurate voltage-stabiliser tube D1 through resistance R 3 at said super capacitor C2 one end, the base stage of said pliotron Q2 is connected in the middle of said resistance R 3 and the accurate voltage-stabiliser tube D1; The reference input of said accurate voltage-stabiliser tube D1 is connected super capacitor C2 one end.The present invention utilizes the big electric weight energy storage of super capacitor, the characteristic of high discharge capability; Through pre-charge circuit and voltage equalizing protection circuit; Realization is to the cycle charge-discharge of super capacitor; And externally during power supply power-fail in support power supply the power down protection action of fly frame is accomplished in the power supply of fly frame controller.
The electric capacity pre-charge circuit comprises: resistance R 1, R2, and capacitor C 1 and power MOS pipe Q1, R1 and C1 constitute the RC charging circuit, are used for progressively opening metal-oxide-semiconductor to super capacitor precharge, and super capacitor can carry out through the size of adjustment R1 and C1 precharge time; Current path when R2 is used to super capacitor precharge is provided and current limliting, super capacitor precharge are accomplished the back and the major avenues of approach when discharging is provided by metal-oxide-semiconductor; The electric capacity pre-charge circuit is when super capacitor powers on; Metal-oxide-semiconductor is closed, and super capacitor is through the R2 charging, and R2 has confirmed the size of current of initial charge; Go up the increase of charging voltage along with C1; Metal-oxide-semiconductor is opened gradually, and the main charging path of super capacitor transforms to metal-oxide-semiconductor slowly, has reduced the impact to external power; After super capacitor charging was accomplished, when the external power power down, because C1 sufficient electrical energy, C1 kept metal-oxide-semiconductor and opened fully this moment, and super capacitor to the power supply of fly frame controller, is realized the super capacitor demand of power supply in support through metal-oxide-semiconductor.
Super capacitor voltage equalizing protection circuit, the end of D1 is a reference input, is lower than the accurate reference voltage in inside of D1 when super capacitor C2 voltage; D1 does not work, and the capacitor voltage equalizing protective circuit is not worked, when the reference input voltage of D1 is higher than the accurate reference voltage in the inside of D1; The D1 conducting is also opened Q2; Form big electric current voltage stabilizing circuit,, make its voltage voltage stabilizing in limited range super capacitor C2 discharge.
The present invention is through the big electric weight energy storage that utilizes super capacitor, the characteristic of high discharge capability; Simplified the design of back-up source; Reduced circuit cost; Improved the reliability of back-up source, required power supply is kept powerup issue during having solved the fly frame controller and when electric network power-fail, carrying out power down protection.
The present invention does not relate to all identical with the prior art prior art that maybe can adopt of part and realizes.
Claims (4)
1. fly frame back-up source control circuit is characterized in that: the super capacitor voltage equalizing protection circuit composition that it comprises the super capacitor pre-charge circuit and connects more than two; Said super capacitor pre-charge circuit comprises resistance R 1, R2, capacitor C 1 and power MOS pipe Q1, and said resistance R 1 constitutes the RC charging circuit with capacitor C 1; Said super capacitor voltage equalizing protection circuit comprises super capacitor C2; Resistance R 3, R4, accurate voltage-stabiliser tube D1 and pliotron Q2, said resistance R 3, R4; Accurate voltage-stabiliser tube D1 and pliotron Q2 constitute the voltage equalizing protection circuit, to said super capacitor C2 voltage equalizing protection are provided.
2. fly frame back-up source control circuit according to claim 1; It is characterized in that: in said super capacitor pre-charge circuit; Connect through resistance R 2 between the grid of said power MOS pipe Q1 and the drain electrode; Between the grid of said power MOS pipe Q1 and source electrode, connect through capacitor C 1, the source electrode of said power MOS pipe Q1 connects through resistance R 1 ground connection.
3. fly frame back-up source control circuit according to claim 1; It is characterized in that: in said super capacitor voltage equalizing protection circuit; Form the loop through resistance R 4 with super capacitor C2 between the emitter and collector of said pliotron Q2; Be connected with the other end with accurate voltage-stabiliser tube D1 through resistance R 3 at said super capacitor C2 one end, the base stage of said pliotron Q2 is connected in the middle of said resistance R 3 and the accurate voltage-stabiliser tube D1.
4. fly frame back-up source control circuit according to claim 3 is characterized in that: the reference input of said accurate voltage-stabiliser tube D1 is connected super capacitor C2 one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100432773A CN102570576A (en) | 2012-02-24 | 2012-02-24 | Standby power supply control circuit of roving frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100432773A CN102570576A (en) | 2012-02-24 | 2012-02-24 | Standby power supply control circuit of roving frame |
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| Publication Number | Publication Date |
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| CN102570576A true CN102570576A (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100432773A Pending CN102570576A (en) | 2012-02-24 | 2012-02-24 | Standby power supply control circuit of roving frame |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856344A (en) * | 2017-01-22 | 2017-06-16 | 湖南电将军新能源有限公司 | A kind of energy-storage module of automobile starting power supply |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005261149A (en) * | 2004-03-15 | 2005-09-22 | Meidensha Corp | Power supply with uninterruptible power supply function |
| CN101325411A (en) * | 2008-04-16 | 2008-12-17 | 中兴通讯股份有限公司 | Slow starting circuit for electrifying DC power supply |
| CN201570913U (en) * | 2009-11-24 | 2010-09-01 | 西安奇维测控科技有限公司 | Balance voltage-limiting circuit |
| CN102158067A (en) * | 2011-04-20 | 2011-08-17 | 广州金升阳科技有限公司 | Starting circuit for switching power supply |
| CN202550598U (en) * | 2012-02-24 | 2012-11-21 | 江苏中晖纺织机械有限公司 | Standby power supply control circuit for coarse spinner |
-
2012
- 2012-02-24 CN CN2012100432773A patent/CN102570576A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005261149A (en) * | 2004-03-15 | 2005-09-22 | Meidensha Corp | Power supply with uninterruptible power supply function |
| CN101325411A (en) * | 2008-04-16 | 2008-12-17 | 中兴通讯股份有限公司 | Slow starting circuit for electrifying DC power supply |
| CN201570913U (en) * | 2009-11-24 | 2010-09-01 | 西安奇维测控科技有限公司 | Balance voltage-limiting circuit |
| CN102158067A (en) * | 2011-04-20 | 2011-08-17 | 广州金升阳科技有限公司 | Starting circuit for switching power supply |
| CN202550598U (en) * | 2012-02-24 | 2012-11-21 | 江苏中晖纺织机械有限公司 | Standby power supply control circuit for coarse spinner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856344A (en) * | 2017-01-22 | 2017-06-16 | 湖南电将军新能源有限公司 | A kind of energy-storage module of automobile starting power supply |
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Application publication date: 20120711 |