CN204391779U - A kind of capacitor charge and discharge intelligent control circuit - Google Patents
A kind of capacitor charge and discharge intelligent control circuit Download PDFInfo
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- CN204391779U CN204391779U CN201420810960.XU CN201420810960U CN204391779U CN 204391779 U CN204391779 U CN 204391779U CN 201420810960 U CN201420810960 U CN 201420810960U CN 204391779 U CN204391779 U CN 204391779U
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Abstract
The utility model discloses a kind of capacitor charge and discharge intelligent control circuit, comprise relay circuit and bulky capacitor charge-discharge circuit, relay circuit connection control power end VA and external power source output voltage VP, bulky capacitor charge-discharge circuit connects external power source output voltage VP, and bulky capacitor charge-discharge circuit also provides output voltage VB.Capacitor charge and discharge intelligent control circuit is by limiting the electric current of electric discharge and reaching the effect improving circuit safety discharge time.
Description
Technical field
The utility model relates to ic test technique field, refers in particular to a kind of capacitor charge and discharge intelligent control circuit.
Background technology
The power device test machine of current domestic and international development and production of the same trade, its current source module many employings bulky capacitor provides pulse high current, now seems particularly important to the charge and discharge control of bulky capacitor.When device power is opened, each circuit state is also unstable, if there is certain electric charge at bulky capacitor in such cases, then easily guiding discharge is impacted and damages circuit.China Patent Publication No. CN202374002U, publication date on August 8th, 2012, discloses a kind of charge-discharge control circuit adopting super capacitor in the utility model patent that name is called " a kind of charging/discharging control circuit of super capacitor ".The circuit that technical problem to be solved is to provide should be able to eliminate the phenomenon of each electric capacity Voltage unbalance in charging process, has the advantages that regulation and control are simple, the discharge and recharge life-span is long.Technical scheme is: a kind of charging/discharging control circuit of super capacitor, comprises several super capacitors; This control circuit comprises at least one combination capacitor be made up of the first super capacitor, the second super capacitor and the first switch, second switch; The main contacts of described first switch of one end serial connection of described first super capacitor, the other end is connected as combination capacitor negative pole and with the first auxiliary contact of second switch; One end of described second super capacitor is connected in series the main contacts of described second switch, and the other end is connected as combination capacitor positive pole and with the first auxiliary contact of the first switch; Second auxiliary contact of described first switch and the second auxiliary contact of second switch are connected by wire.Weak point is this circuit still easily because discharge impact damages circuit.
Utility model content
The purpose of this utility model overcomes capacitor charge and discharge intelligent control circuit in prior art, easily because discharge impact damages the shortcoming of circuit, to provide the capacitor charge and discharge intelligent control circuit that can not damage circuit during a kind of electric discharge.
The purpose of this utility model is achieved by following technical proposals:
A kind of capacitor charge and discharge intelligent control circuit, comprise relay circuit and bulky capacitor charge-discharge circuit, relay circuit connection control power end VA and external power source output voltage VP, bulky capacitor charge-discharge circuit connects external power source output voltage VP, and bulky capacitor charge-discharge circuit also provides output voltage VB.By the charging and discharging state of the break-make control capacitance charge-discharge circuit of relay, when discharging, realizing large conductive discharge by the conversion of relay, making discharge process comparatively level and smooth, damage can not be caused to the element in circuit.
As a kind of preferred version, relay circuit comprises relay, relay comprises double-point double-throw switch, 1 pin connection control power end VA of relay, 10 pin ground connection of relay, 2 pin of double-point double-throw switch and 9 pin ground connection, 4 pin of double-point double-throw switch are connected external power source output voltage VP with 7 pin, and 3 pin of double-point double-throw switch are connected bulky capacitor charge-discharge circuit with 8 pin.Double-point double-throw switch improves stability.
As a kind of preferred version, capacitor charge and discharge circuit comprises several resistance and electrochemical capacitor C001, and the positive pole of electrochemical capacitor C001 is all connected with several resistance, the minus earth of electrochemical capacitor C001; A resistance in several resistance is also connected with 8 pin with 3 pin of double-point double-throw switch, and all the other resistance are all connected with external power source output voltage VP.The design of all the other resistor coupled in parallel improves the stability of circuit on the one hand, if wherein certain resistance failure circuit still can work on, also shortens the charging interval of circuit on the other hand.
The beneficial effects of the utility model are, capacitor charge and discharge intelligent control circuit is by limiting the electric current of electric discharge and reaching the effect improving circuit safety discharge time.And the utility model structure is simple, reasonable in design.
Accompanying drawing explanation
Fig. 1 is a kind of schematic block circuit diagram of the present utility model;
Fig. 2 is a kind of circuit connection diagram of the present utility model.
Wherein: 1, relay circuit, 2, bulky capacitor charge-discharge circuit.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment: a kind of capacitor charge and discharge intelligent control circuit, its schematic block circuit diagram as shown in Figure 1, comprise relay circuit 1 and bulky capacitor charge-discharge circuit 2, relay circuit connection control power end VA and external power source output voltage VP, bulky capacitor charge-discharge circuit connects external power source output voltage VP, and bulky capacitor charge-discharge circuit also provides output voltage VB.
The physical circuit connection layout of circuit as shown in Figure 2, relay circuit comprises relay, relay comprises double-point double-throw switch, 1 pin connection control power end VA of relay, 10 pin ground connection of relay, 2 pin of double-point double-throw switch and 9 pin ground connection, 4 pin of double-point double-throw switch are connected external power source output voltage VP with 7 pin, 3 pin of double-point double-throw switch are connected discharge and recharge resistance R001 with 8 pin, the positive pole of electrochemical capacitor C001 all with discharge and recharge resistance R001, charging resistor R002, charging resistor R003, charging resistor R004, charging resistor R005 is connected, the minus earth of electrochemical capacitor C001.Charging resistor R002, charging resistor R003, charging resistor R004, charging resistor R005 are all connected with external power source output voltage VP.When the 1 pin level VA of relay TN2 is high level, the two state of putting switch of double-pole of relay inside is 3, 8 pins and 4, 7 pins are connected, external power source output voltage VP is by discharge and recharge resistance R001, charging resistor R002, charging resistor R003, charging resistor R004, charging resistor R005 charges to electric capacity C001, by discharge and recharge resistance R001 and charging resistor R002 during owing to charging, charging resistor R003, charging resistor R004, charging resistor R004 tetra-resistor coupled in parallel resistance compose in parallel again, therefore total charging resistor resistance is less, the convenient quick charge realized circuit, the output VB of capacitor charge and discharge intelligent control circuit receives the input of the power amplification circuit in big current source, and then provide energy for the power amplification circuit in big current source exports pulse high current.When system cut-off, when the 1 pin level VA of relay TN2 is low level, the two state of putting switch of double-pole of relay TN2 inside is that 3,8 pins are connected with 2,9 pins, energy in electric capacity C001 is discharged to ground by discharge and recharge resistance R001, be made up of discharge and recharge resistance R001 resistance due to during electric discharge, therefore discharge resistance resistance is relatively large, the convenient level and smooth electric discharge realized circuit, avoid energy to put aside, in electric capacity, uncertain damage is caused to other elements in circuit, and to the potential safety hazard that human body brings.
Claims (3)
1. a capacitor charge and discharge intelligent control circuit, it is characterized in that, comprise relay circuit and bulky capacitor charge-discharge circuit, relay circuit connection control power end VA and external power source output voltage VP, bulky capacitor charge-discharge circuit connects external power source output voltage VP, and bulky capacitor charge-discharge circuit also provides output voltage VB.
2. a kind of capacitor charge and discharge intelligent control circuit according to claim 1, it is characterized in that, described relay circuit comprises relay, relay comprises double-point double-throw switch, 1 pin connection control power end VA of relay, 10 pin ground connection of relay, 2 pin of double-point double-throw switch and 9 pin ground connection, 4 pin of double-point double-throw switch are connected external power source output voltage VP with 7 pin, and 3 pin of double-point double-throw switch are connected bulky capacitor charge-discharge circuit with 8 pin.
3. a kind of capacitor charge and discharge intelligent control circuit according to claim 2, it is characterized in that, capacitor charge and discharge circuit comprises several resistance and electrochemical capacitor C001, and the positive pole of electrochemical capacitor C001 is all connected with several resistance, the minus earth of electrochemical capacitor C001; A resistance in several resistance is also connected with 8 pin with 3 pin of double-point double-throw switch, and all the other resistance two ends are all in parallel, and the other end is all connected with external power source output voltage VP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420810960.XU CN204391779U (en) | 2014-12-19 | 2014-12-19 | A kind of capacitor charge and discharge intelligent control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420810960.XU CN204391779U (en) | 2014-12-19 | 2014-12-19 | A kind of capacitor charge and discharge intelligent control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204391779U true CN204391779U (en) | 2015-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420810960.XU Active CN204391779U (en) | 2014-12-19 | 2014-12-19 | A kind of capacitor charge and discharge intelligent control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204391779U (en) |
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2014
- 2014-12-19 CN CN201420810960.XU patent/CN204391779U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HANGZHOU CHANGCHUAN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HANGZHOU CHANGCHUAN TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Xihu District Xiyuan four 310053 Hangzhou Road, Zhejiang province No. 2 Building 4 Building 1-2 Patentee after: Hangzhou long river Science and Technology Co., Ltd. Address before: Xihu District Xiyuan four 310053 Hangzhou Road, Zhejiang province No. 2 Building 4 Building 1-2 Patentee before: Hangzhou ChangChuan Technology Co., Ltd. |