CN201946520U - Circuit breaker controller - Google Patents
Circuit breaker controller Download PDFInfo
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- CN201946520U CN201946520U CN2011200414634U CN201120041463U CN201946520U CN 201946520 U CN201946520 U CN 201946520U CN 2011200414634 U CN2011200414634 U CN 2011200414634U CN 201120041463 U CN201120041463 U CN 201120041463U CN 201946520 U CN201946520 U CN 201946520U
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Abstract
A circuit breaker controller belongs to low-voltage distribution protection field. Including a control display module, an extension module and a power module, the power module links to each other with the extension module with the control display module respectively, and the control display module is connected with the extension module, and the power module includes a first-power switching circuit and a second-source converter circuit, and the first-power switching circuit is connected with a fast saturated power, auxiliary power supply, the second-source converter circuit and the control display module respectively, and the second-source converter circuit is connected with the auxiliary power supply and the extension module respectively. The advantage: the utility model makes control the display module and the extension module supplied power by the respective power switching circuit owing to adopted above technical scheme, even like this when the circuit breaker controller consumption is very big, can not influence the power supply quality because of components and parts generate heat yet, guaranteed the reliable work of controller.
Description
Technical field
The utility model relates to a kind of breaker controller, belongs to low-voltage distribution protection field
Background technology
Circuit breaker is as the base components of power distribution protection, plays a part very important to safety, the reliability service of low-voltage distribution system.Breaker controller is the core component that circuit breaker is realized various functions, is the key of breaker safe, reliability service.In the low-voltage electrical apparatus, be subjected to the restriction of circuit breaker volume at present, the volume of breaker controller is more and more littler, and function is more and more abundanter, and its power consumption is higher relatively, and the power supply circuits of self are had higher requirement.
In the prior art, breaker controller is powered simultaneously by accessory power supply and fast saturated power supply, and duplex feeding is a power-switching circuit by breaker controller inside all, for entire controller provides required power supply.
The shortcoming of said method is: for the breaker controller that has expansion modules such as communication, contact output, to having relatively high expectations of inner Power Transfer Unit, because its power consumption increases, can cause that the heating of internal electric source transition components is bigger, cause power supply ripple to increase, even can influence the operate as normal of breaker controller
Summary of the invention
The purpose of this utility model is to provide a kind of breaker controller, and it can solve the reliable powerup issue of whole system when the breaker controller power consumption is big.
The breaker controller that the utility model relates to, it is characterized in that comprising control display module 1, expansion module 2 and power module 3, power module 3 links to each other with expansion module 2 with control display module 1 respectively, control display module 1 is connected with expansion module 2, described power module 3 comprises first power-switching circuit and second source change-over circuit, first power-switching circuit is connected with the saturated power supply of speed, accessory power supply, second source change-over circuit and control display module 1 respectively, and the second source change-over circuit is connected with expansion module 3 with accessory power supply respectively.
The control display module 1 of the breaker controller that the utility model relates to comprises signal acquisition circuit, central processing unit (MCU) circuit, trip circuit and display circuit, central processing unit (MCU) circuit links to each other with signal acquisition circuit, trip circuit and display circuit respectively, signal acquisition circuit is connected with current signal with voltage signal, power module (3) respectively with signal acquisition circuit, central processing unit (MCU) circuit, trip circuit links to each other with display circuit.
The expansion module 2 of the breaker controller that the utility model relates to comprises telecommunication circuit, and telecommunication circuit links to each other with power module 3 with central processing unit (MCU) circuit respectively.
The expansion module 2 of the breaker controller that the utility model relates to comprises the LCD backlight circuit, and the LCD backlight circuit links to each other with power module 3 with central processing unit (MCU) circuit respectively.
The expansion module 2 of the breaker controller that the utility model relates to comprises the contact output circuit, and the contact output circuit links to each other with power module 3 with central processing unit (MCU) circuit respectively.
First power-switching circuit described in the utility model is by capacitor C 1-C6, transient voltage suppresses diode FV1, diode VD1, VD3, Schottky diode VD2, inductance L 1 and chip N1 form, transient voltage suppresses the end of diode FV1 and the anode of diode VD1 connects fast saturated power supply, the negative electrode of diode VD1 and capacitor C 1, the end of C2,5 of the negative electrode of diode VD3 and chip N1,7 pin connect, diode VD3 anode is connected with accessory power supply with the second source change-over circuit, 1 pin of chip N1 connects an end of capacitor C 3, one end of the other end of capacitor C 3 and inductance L 1,8 pin of the negative electrode of Schottky diode VD2 and chip N1 are connected, 2 pin of one chip termination N1 of capacitor C 4, the other end of inductance L 1 and capacitor C 5, the end of C6 is connected with 4 pin of chip N1 and output voltage V CC1, voltage VCC1 is connected capacitor C 1 with control display module 1, C2, C4, C5, the other end of C6, transient voltage suppresses the other end of diode FV1,3 of the anode of Schottky diode VD2 and chip N1,6 pin common grounds.
Second source change-over circuit described in the utility model is by capacitor C 7-C12, transient voltage suppresses diode FV2, Schottky diode VD4, inductance L 2 and chip N2 form, transient voltage suppresses an end and the accessory power supply of diode FV2, first power-switching circuit, capacitor C 7,5 of the end of C8 and chip N2,7 pin connect, 1 pin of one termination core N2 of capacitor C 9, the negative electrode of the other end of capacitor C 9 and Schottky diode VD4, one end of inductance L 2 is connected with 8 pin of chip N2,2 pin of one chip termination N2 of capacitor C 10, the other end of inductance L 2 and capacitor C 11, the end of C12 is connected with 4 pin of chip N2 and output voltage V CC2, voltage VCC2 is connected with expansion module 2, capacitor C 7, C8, C10, C11, the other end of C12, transient voltage suppresses the other end of diode FV2,3 of the anode of Schottky diode VD4 and chip N2,6 pin common grounds.
First power-switching circuit described in the utility model is by capacitor C 1, C3, C4, C5, Schottky diode VD2, inductance L 1 and chip N1 form, one end of capacitor C 1 and fast saturated power supply, accessory power supply, 5 of second source change-over circuit and chip N1,7 pin connect, 1 pin of chip N1 connects an end of capacitor C 3, one end of the other end of capacitor C 3 and inductance L 1,8 pin of the negative electrode of Schottky diode VD2 and chip N1 are connected, 2 pin of one chip termination N1 of capacitor C 4, the other end of inductance L 1 is connected and output voltage V CC1 with an end of capacitor C 5 and 4 pin of chip N1, voltage VCC1 is connected capacitor C 1 with control display module 1, C4, the other end of C5,3 of the anode of Schottky diode VD2 and chip N1,6 pin common grounds.
Second source change-over circuit described in the utility model is by capacitor C 7, C10, C11, diode VD5, Schottky diode VD4, inductance L 2 and chip N2 form, the anode of diode VD5 and accessory power supply, the saturated power supply of speed, one end of first power-switching circuit and capacitor C 7 is connected, the negative electrode of diode VD5 meets 5 of chip N2,7 pin, 1 pin of one chip termination N2 of capacitor C 9, the negative electrode of the other end of capacitor C 9 and Schottky diode VD4, one end of inductance L 2 is connected with 8 pin of chip N2,2 pin of one chip termination N2 of capacitor C 10, the other end of inductance L 2 is connected and output voltage V CC2 with an end of capacitor C 11 and 4 pin of chip N2, voltage VCC2 is connected with expansion module 2, capacitor C 7, C10, the other end of C11,3 of the anode of Schottky diode VD4 and chip N2,6 pin common grounds.
The utility model is owing to adopted above technical scheme, control display module and expansion module are powered by power-switching circuit separately, even when the breaker controller power consumption is very big, can not guarantee the reliably working of controller like this because of the components and parts heating influences power supply quality yet.
Description of drawings
Fig. 1 is the utility model theory diagram.
Fig. 2 is the schematic diagram of the embodiment of a power-switching circuit of the present utility model.
Fig. 3 is the schematic diagram of the embodiment of another power-switching circuit of the present utility model.
Embodiment
In Fig. 1, described a kind of breaker controller comprises control display module 1, expansion module 2 and power module 3.Power module 3 comprises first power-switching circuit, second source change-over circuit.Control display module 1 comprises signal acquisition circuit, central processing unit (MCU) circuit, trip circuit, display circuit.Expansion module 2 comprises telecommunication circuit, LCD backlight circuit, contact output circuit.
In the foregoing circuit, accessory power supply and fast saturated power supply are simultaneously by first power-switching circuit, for the signal acquisition circuit in Fig. 1 frame of broken lines 1, central processing unit (MCU) circuit, display circuit, trip circuit provide required power supply, guarantee the operate as normal of breaker controller.Accessory power supply for communication function circuit, LCD backlight circuit, the required power supply of contact output circuit in Fig. 1 frame of broken lines 2 is provided, has solved the powerup issue of breaker controller expansion module by the second source change-over circuit.Signal acquisition circuit is gathered in real time to three-phase current, voltage signal, and the signal after will gathering delivers to central processing unit (MCU) processing of circuit, shows by display circuit again.When central processing unit (MCU) when circuit receives abnormal signal, sending threads off instructs trip circuit, makes the circuit breaker action.Central processing unit (MCU) circuit is connected with LCD backlight circuit, contact output circuit, telecommunication circuit.
Fig. 2 is an embodiment of power-switching circuit, and it is by chip N1, and N2, transient voltage suppress diode FV1, FV2, diode VD1, VD3, Schottky diode VD2, VD4, capacitor C 1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, inductance L 1, L2 forms.In first power-switching circuit, the end of capacitor C 1, C2 is connected with 7 pin of chip N1, and the other end of capacitor C 1, C2 is connected with ground.One end of capacitor C 4 is connected with 2 pin of chip N1, and the other end of capacitor C 4 is connected with ground.Capacitor C 3 one ends are connected with 1 pin of chip N1, and the other end of capacitor C 3 is connected with 8 pin of chip N1.One end of inductance L 1 is connected with 8 pin of chip N1, and the other end of inductance L 1 is connected back output voltage V CC1 with the end of capacitor C 5, C6.The negative electrode of Schottky diode VD2 is connected with 8 pin of chip N1, and the anode of Schottky diode VD2 is connected with ground.The DC24V power supply of speed saturated power supply and accessory power supply input is to chip N1(MAX5033) 5; the power supply of 7 pin; chip N1 is in running order always; 8 pin of chip N1 meet output voltage V CC1 behind the energy storage inductor L1; wherein diode VD1 is the counnter attack diode; when external power source just; negative connecing can not cause damaging electronic devices and components in this device at inverse time; transient voltage suppresses diode FV1 and plays the overvoltage protection effect; prevent that input supply voltage is too high; cause that electronic devices and components damage; capacitor C 1; C2 does filtering to the input power supply and uses; capacitor C 3 is connected between 1 pin of chip N1 and 8 pin and provides gate drive voltage for the inner MOS switch of chip N1; 2 pin that capacitor C 4 is connected to chip N1 play pressure stabilization function; capacitor C 5; C6 plays output voltage V CC1 voltage stabilizing; filter action, Schottky diode VD2 plays the afterflow effect.
In the second source change-over circuit, the end of capacitor C 7, C8 is connected with 7 pin of chip N2, and the other end of capacitor C 7, C8 is connected with ground.One end of capacitor C 10 is connected with 2 pin of chip N2, and the other end of capacitor C 10 is connected with ground.Capacitor C 9 one ends are connected with 1 pin of chip N2, and the other end of capacitor C 9 is connected with 8 pin of chip N2.One end of inductance L 2 is connected with 8 pin of chip N2, and the other end of inductance L 2 is connected back output voltage V CC2 with the end of capacitor C 11, C12.The end of Schottky diode VD4 is connected with 8 pin of chip N2, and the other end of Schottky diode VD4 is connected with ground.The DC24V power supply of accessory power supply input is given chip N2(MAX5033) 5; the power supply of 7 pin; make chip N2 in running order always; 8 pin of chip N2 meet output voltage V CC2 behind the energy storage inductor L2; wherein diode VD3 is the counnter attack diode; when external power source just; negative connecing can not cause damaging electronic devices and components in this device at inverse time; transient voltage suppresses diode FV2 and plays the overvoltage protection effect; prevent that input supply voltage is too high; cause that electronic devices and components damage; capacitor C 7; C8 does filtering to the input power supply and uses; capacitor C 9 is connected between 1 pin of chip N2 and 8 pin and provides gate drive voltage for the inner MOS switch of chip N2; 2 pin that C10 is connected to chip N2 play pressure stabilization function; C11; C12 plays the voltage stabilizing of VCC2 output voltage; filter action, Schottky diode VD4 plays the afterflow effect.
Fig. 3 is another embodiment of power-switching circuit, and its principle is identical with top example, just more simplifies
Claims (9)
1. breaker controller, it is characterized in that comprising control display module (1), expansion module (2) and power module (3), power module (3) links to each other with expansion module (2) with control display module (1) respectively, control display module (1) is connected with expansion module (2), described power module (3) comprises first power-switching circuit and second source change-over circuit, first power-switching circuit respectively with the saturated power supply of speed, accessory power supply, the second source change-over circuit is connected with control display module (1), and the second source change-over circuit is connected with expansion module (3) with accessory power supply respectively.
2. a kind of breaker controller according to claim 1, the control display module (1) that it is characterized in that the breaker controller that relates to comprises signal acquisition circuit, central processing unit (MCU) circuit, trip circuit and display circuit, central processing unit (MCU) circuit links to each other with signal acquisition circuit, trip circuit and display circuit respectively, signal acquisition circuit is connected with current signal with voltage signal, power module (3) respectively with signal acquisition circuit, central processing unit (MCU) circuit, trip circuit links to each other with display circuit.
3. a kind of breaker controller according to claim 1 is characterized in that the expansion module (2) of the breaker controller that relates to comprises telecommunication circuit, and telecommunication circuit links to each other with power module (3) with central processing unit (MCU) circuit respectively.
4. a kind of breaker controller according to claim 1 is characterized in that the expansion module (2) of the breaker controller that relates to comprises the LCD backlight circuit, and the LCD backlight circuit links to each other with power module (3) with central processing unit (MCU) circuit respectively.
5. a kind of breaker controller according to claim 1 is characterized in that the expansion module (2) of the breaker controller that relates to comprises the contact output circuit, and the contact output circuit links to each other with power module (3) with central processing unit (MCU) circuit respectively.
6. a kind of breaker controller according to claim 1, it is characterized in that described first power-switching circuit is by capacitor C 1-C6, transient voltage suppresses diode FV1, diode VD1, VD3, Schottky diode VD2, inductance L 1 and chip N1 form, transient voltage suppresses the end of diode FV1 and the anode of diode VD1 connects fast saturated power supply, the negative electrode of diode VD1 and capacitor C 1, the end of C2,5 of the negative electrode of diode VD3 and chip N1,7 pin connect, diode VD3 anode is connected with accessory power supply with the second source change-over circuit, 1 pin of chip N1 connects an end of capacitor C 3, one end of the other end of capacitor C 3 and inductance L 1,8 pin of the negative electrode of Schottky diode VD2 and chip N1 are connected, 2 pin of one chip termination N1 of capacitor C 4, the other end of inductance L 1 and capacitor C 5, the end of C6 is connected with 4 pin of chip N1 and output voltage V CC1, voltage VCC1 is connected capacitor C 1 with control display module 1, C2, C4, C5, the other end of C6, transient voltage suppresses the other end of diode FV1,3 of the anode of Schottky diode VD2 and chip N1,6 pin common grounds.
7. a kind of breaker controller according to claim 1, it is characterized in that described second source change-over circuit is by capacitor C 7-C12, transient voltage suppresses diode FV2, Schottky diode VD4, inductance L 2 and chip N2 form, transient voltage suppresses an end and the accessory power supply of diode FV2, first power-switching circuit, capacitor C 7,5 of the end of C8 and chip N2,7 pin connect, 1 pin of one termination core N2 of capacitor C 9, the negative electrode of the other end of capacitor C 9 and Schottky diode VD4, one end of inductance L 2 is connected with 8 pin of chip N2,2 pin of one chip termination N2 of capacitor C 10, the other end of inductance L 2 and capacitor C 11, the end of C12 is connected with 4 pin of chip N2 and output voltage V CC2, voltage VCC2 is connected with expansion module 2, capacitor C 7, C8, C10, C11, the other end of C12, transient voltage suppresses the other end of diode FV2,3 of the anode of Schottky diode VD4 and chip N2,6 pin common grounds.
8. a kind of breaker controller according to claim 1, it is characterized in that described first power-switching circuit is by capacitor C 1, C3, C4, C5, Schottky diode VD2, inductance L 1 and chip N1 form, one end of capacitor C 1 and fast saturated power supply, accessory power supply, 5 of second source change-over circuit and chip N1,7 pin connect, 1 pin of chip N1 connects an end of capacitor C 3, one end of the other end of capacitor C 3 and inductance L 1,8 pin of the negative electrode of Schottky diode VD2 and chip N1 are connected, 2 pin of one chip termination N1 of capacitor C 4, the other end of inductance L 1 is connected and output voltage V CC1 with an end of capacitor C 5 and 4 pin of chip N1, voltage VCC1 is connected capacitor C 1 with control display module 1, C4, the other end of C5,3 of the anode of Schottky diode VD2 and chip N1,6 pin common grounds.
9. a kind of breaker controller according to claim 1, it is characterized in that described second source change-over circuit is by capacitor C 7, C10, C11, diode VD5, Schottky diode VD4, inductance L 2 and chip N2 form, the anode of diode VD5 and accessory power supply, the saturated power supply of speed, one end of first power-switching circuit and capacitor C 7 is connected, the negative electrode of diode VD5 meets 5 of chip N2,7 pin, 1 pin of one chip termination N2 of capacitor C 9, the negative electrode of the other end of capacitor C 9 and Schottky diode VD4, one end of inductance L 2 is connected with 8 pin of chip N2,2 pin of one chip termination N2 of capacitor C 10, the other end of inductance L 2 is connected and output voltage V CC2 with an end of capacitor C 11 and 4 pin of chip N2, voltage VCC2 is connected with expansion module 2, capacitor C 7, C10, the other end of C11,3 of the anode of Schottky diode VD4 and chip N2,6 pin common grounds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200414634U CN201946520U (en) | 2011-02-18 | 2011-02-18 | Circuit breaker controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200414634U CN201946520U (en) | 2011-02-18 | 2011-02-18 | Circuit breaker controller |
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|---|---|
| CN201946520U true CN201946520U (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200414634U Expired - Lifetime CN201946520U (en) | 2011-02-18 | 2011-02-18 | Circuit breaker controller |
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| CN (1) | CN201946520U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094671A (en) * | 2016-08-30 | 2016-11-09 | 常熟开关制造有限公司(原常熟开关厂） | A kind of circuit breaker intelligent controller |
| CN107181233A (en) * | 2016-03-10 | 2017-09-19 | 上海电科电器科技有限公司 | The controller and control method of breaker |
| WO2018014715A1 (en) * | 2016-07-22 | 2018-01-25 | 上海电科电器科技有限公司 | Data transmission device of circuit breaker controller and data transmission method |
-
2011
- 2011-02-18 CN CN2011200414634U patent/CN201946520U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181233A (en) * | 2016-03-10 | 2017-09-19 | 上海电科电器科技有限公司 | The controller and control method of breaker |
| CN107181233B (en) * | 2016-03-10 | 2019-05-03 | 上海电科电器科技有限公司 | The controller and control method of breaker |
| WO2018014715A1 (en) * | 2016-07-22 | 2018-01-25 | 上海电科电器科技有限公司 | Data transmission device of circuit breaker controller and data transmission method |
| US11256225B2 (en) | 2016-07-22 | 2022-02-22 | Seari Electric Technology Co., Ltd. | Data transmission apparatus of circuit breaker controller |
| CN106094671A (en) * | 2016-08-30 | 2016-11-09 | 常熟开关制造有限公司(原常熟开关厂） | A kind of circuit breaker intelligent controller |
| CN106094671B (en) * | 2016-08-30 | 2018-07-20 | 常熟开关制造有限公司(原常熟开关厂） | A kind of circuit breaker intelligent controller |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110824 |
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| CX01 | Expiry of patent term |