CN2779701Y - Intelligent reclosing brake gear for electric switch - Google Patents
Intelligent reclosing brake gear for electric switch Download PDFInfo
- Publication number
- CN2779701Y CN2779701Y CN 200420095124 CN200420095124U CN2779701Y CN 2779701 Y CN2779701 Y CN 2779701Y CN 200420095124 CN200420095124 CN 200420095124 CN 200420095124 U CN200420095124 U CN 200420095124U CN 2779701 Y CN2779701 Y CN 2779701Y
- Authority
- CN
- China
- Prior art keywords
- electric switch
- switch
- control module
- mcu
- electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Keying Circuit Devices (AREA)
Abstract
The utility model provides an intelligent reclosing brake gear for electric switches, which comprises an electric switch (K1), a control module (MCU), a voltage sampling device (T1) and a detecting switch (K2), wherein the electric switch (K1) is connected in an electric line in series, the detecting switch (K2) is connected with the electric switch (K1) through a resistor (R1) in parallel, the input terminal of the voltage sampling device (T1) is connected with the load terminal of a circuit, the output terminal is connected with the input terminal (Vi) of the control module (MCU), the output terminal (Vo1) of the control module (MCU) controls the switching/ the tripping of the electric switch (K1), and the output terminal (Vo2) controls the switching / the tripping of the detecting switch (K2). The intelligent reclosing brake gear can be used for detecting the short-circuit of a load circuit before the electric switch is turned on, electric short circuit accidents caused by that is effectively avoided, and the safe tripping of the electric switch and the safety of the load circuit are ensured.
Description
Technical field
The utility model relates to the electrical control field, particularly a kind of electric switch intelligence reclosing device.
Background technology
Existing electric switch major part does not all have the device of intelligent reclosing, therefore, when closing a floodgate, there is short-circuit conditions in the ifs circuit, cause circuit burnout, initiation fire etc. probably, become the potential safety hazard of aspects such as our daily life, industrial production, also therefore caused enormous economic loss.
Summary of the invention
At the problems referred to above, the utility model provides a kind of intelligent reclosing device of electric switch, this device can carry out short-circuit detecting to load circuit before electric switch closes a floodgate, determining ability Closing Switch under the situation about not being short-circuited, and improved the security reliability of electric switch.
The technical scheme that the utility model adopted: a kind of electric switch intelligence reclosing device, it is characterized in that, comprise electric switch (K1), control module (MCU), voltage sampling apparatus (T1) and sense switch (K2); Wherein, electric switch (K1) is series in the electric wiring, sense switch (K2) is in parallel with electric switch (K1) through resistance (R1), the input of voltage sampling apparatus (T1) is connected with the circuit load end, output is connected the output (Vo of control module (MCU) with the input (Vi) of control module (MCU)
1) control electric switch (K1) opened/closed, output (Vo
2) On/Off of control detection switch (K2).
Above-mentioned voltage sampling apparatus (T1) is a transformer, and the primary coil of this transformer is connected with the circuit load end, and an end of secondary coil is connected other end ground connection by resistance (R2) with the input (Vi) of control module (MCU).
Above-mentioned electric switch (K1) and sense switch (K2) are respectively by relay (J1, J2) control, and relay (J1) is by the output (Vo of triode (Q1) with control module (MCU)
1) connect; Relay (J2) is by the output (Vo of triode (Q2) with control module (MCU)
2) connect.
The beneficial effects of the utility model: utilize this intelligence reclosing device, can be implemented in the electric switch combined floodgate and in the past load circuit is carried out short-circuit detecting, guarantee that the safety of electric switch is closed, effectively avoided the electric accident of initiation thus; Simultaneously, under the electrical communication state, if the suddenly-applied short circuit phenomenon takes place, this device can the automatic disconnection electric switch, the safety of proof load circuit.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is a workflow diagram of the present utility model.
Embodiment
Be according to specific embodiment of the utility model below, elaborate:
As shown in Figure 1, the utility model comprises control module MCU, voltage sampling apparatus T1, electric switch K1, sense switch K2, indicator light L and triode Q1, Q2, wherein voltage sampling apparatus T1 is a transformer, the primary coil of T1 is connected with the circuit load end, a wherein end of secondary coil is connected other end ground connection by resistance R 2 with the input Vi of control module MCU; Two output control terminal Vo of control module MCU
1, Vo
2, the base stage with triode Q1, Q2 is connected respectively; The emitter of triode Q1, Q2 is connected with the solenoid of relay J 1, J2 respectively; Indicator light L is connected with control module MCU; Electric switch K1 is connected between the input and output of electric wiring, after relay J 1 adhesive K switch 1, and the electric wiring conducting; Sense switch K2 is connected on by resistance R 1 between the input and output of electric wiring, after relay J 2 adhesive K switch 2, produces voltage drop on the resistance R 1, and sampling transformer T1 starts working.
Workflow of the present utility model as shown in Figure 2, detailed process is as follows:
After system powered on, control module MCU can enter operating state.At first, by the control end Vo of control module MCU
2Produce a voltage signal, make triode Q2 conducting, relay J 2 adhesive sense switch K2, and on resistance R 1, produce a constant pressure drop.Then, sampling transformer T1 carries out the detection of circuit state to load circuit, if there is short circuit, then can not produce pressure drop on the primary coil of transformer T1, also can not produce induced current accordingly on the secondary coil of transformer T1; If there is no short circuit then can produce certain pressure drop on the primary coil of transformer T1, also can produce induced current accordingly on the secondary coil of transformer T1.After the input Vi of control module MCU detects above-mentioned induced current, by output control terminal Vo
1Produce a voltage signal, make triode Q1 conducting, relay J 1 adhesive electric switch K1 realizes the connection of electric wiring; When being short-circuited, control module MCU lights indicator light L with control, points out in the current circuit to have short circuit.
In addition, under the state of circuit communication, take place if sampling transformer T1 has detected short circuit, control module MCU can pass through control end Vo
1Triode Q1 is ended, disconnect electric switch K1, with the electric accident that prevents that short circuit from causing.
In embodiment of the present utility model, the control of the controlled module MCU of sense switch K2 and closure, for load end and sampling apparatus T1 provide detection voltage, have only when in detecting circuit, not having short circuit, control module MCU is adhesive electric switch K1, make circuit enter the normal power supply state, therefore the utility model is called electric switch intelligence reclosing device.
Claims (6)
1. an electric switch intelligence reclosing device is characterized in that, comprises electric switch (K1), control module (MCU), voltage sampling apparatus (T1) and sense switch (K2); Wherein, electric switch (K1) is series in the electric wiring, sense switch (K2) is in parallel with electric switch (K1) through resistance (R1), the input of voltage sampling apparatus (T1) is connected with the circuit load end, output is connected the output (Vo of control module (MCU) with the input (Vi) of control module (MCU)
1) control electric switch (K1) opened/closed, output (Vo
2) On/Off of control detection switch (K2).
2. electric switch intelligence reclosing device according to claim 1 is characterized in that described voltage sampling apparatus (T1) is a transformer.
3. electric switch intelligence reclosing device according to claim 2, it is characterized in that, the primary coil of described transformer is connected with the circuit load end, and an end of secondary coil is connected other end ground connection by resistance (R2) with the input (Vi) of control module (MCU).
4. electric switch intelligence reclosing device according to claim 1 is characterized in that described electric switch (K1) and sense switch (K2) are controlled by relay (J1, J2) respectively.
5. electric switch intelligence reclosing device according to claim 4 is characterized in that described relay (J1) is by the output (Vo of triode (Q1) with control module (MCU)
1) connect.
6. electric switch intelligence reclosing device according to claim 4 is characterized in that described relay (J2) is by the output (Vo of triode (Q2) with control module (MCU)
2) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420095124 CN2779701Y (en) | 2004-11-15 | 2004-11-15 | Intelligent reclosing brake gear for electric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420095124 CN2779701Y (en) | 2004-11-15 | 2004-11-15 | Intelligent reclosing brake gear for electric switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779701Y true CN2779701Y (en) | 2006-05-10 |
Family
ID=36753787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420095124 Expired - Lifetime CN2779701Y (en) | 2004-11-15 | 2004-11-15 | Intelligent reclosing brake gear for electric switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779701Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610440A (en) * | 2011-01-25 | 2012-07-25 | 陈建华 | Power switching device |
| CN108400570A (en) * | 2018-05-10 | 2018-08-14 | 成都信息工程大学 | A kind of load faulty detection protection circuit and its control method |
| CN108462240A (en) * | 2018-03-19 | 2018-08-28 | 许继电源有限公司 | The control method and system to restore electricity again after a kind of power-off of charging pile |
| CN108551153A (en) * | 2018-03-19 | 2018-09-18 | 许继电源有限公司 | A kind of charging pile fault recovery control method and system |
| CN109950881A (en) * | 2019-03-29 | 2019-06-28 | 成都信息工程大学 | A kind of embeddable type equipment preliminary examination protection circuit |
-
2004
- 2004-11-15 CN CN 200420095124 patent/CN2779701Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102610440A (en) * | 2011-01-25 | 2012-07-25 | 陈建华 | Power switching device |
| CN108462240A (en) * | 2018-03-19 | 2018-08-28 | 许继电源有限公司 | The control method and system to restore electricity again after a kind of power-off of charging pile |
| CN108551153A (en) * | 2018-03-19 | 2018-09-18 | 许继电源有限公司 | A kind of charging pile fault recovery control method and system |
| CN108551153B (en) * | 2018-03-19 | 2020-09-25 | 许继电源有限公司 | Charging pile fault recovery control method and system |
| CN108400570A (en) * | 2018-05-10 | 2018-08-14 | 成都信息工程大学 | A kind of load faulty detection protection circuit and its control method |
| CN108400570B (en) * | 2018-05-10 | 2023-08-25 | 深圳市天鹤科技有限公司 | Load fault detection protection circuit and control method thereof |
| CN109950881A (en) * | 2019-03-29 | 2019-06-28 | 成都信息工程大学 | A kind of embeddable type equipment preliminary examination protection circuit |
| CN109950881B (en) * | 2019-03-29 | 2024-04-09 | 成都信息工程大学 | Embedded equipment pre-detection protection circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103022959A (en) | Method and device for adhesion detection of main contact of alternating-current contactor | |
| CN102072997A (en) | Spare automatic switching logic test method for checking main transformer mutual switching mode | |
| CN101059548A (en) | Magnet coil break detection circuit | |
| CN100559677C (en) | The over-current protection system of circuit breaker and method of work thereof | |
| CN2779701Y (en) | Intelligent reclosing brake gear for electric switch | |
| CN102385036A (en) | Method and circuit for detecting alternating-current fuse failure of uninterruptible power supply | |
| CN110491257A (en) | A kind of fault simulation displaying device | |
| CN101908778A (en) | Multifunctional dual-load dual-power automatic switchover control device | |
| CN204230865U (en) | A kind of motor protecting device | |
| CN101060245A (en) | Breaker coil protector | |
| CN101256705A (en) | Equipment control system alarming device with voice and remote prompting control | |
| CN212485807U (en) | Automatic time-delay switching-on control loop of capacitor high-voltage switch cabinet | |
| CN2896507Y (en) | High-safety earthing-fault-line breaker | |
| CN204794321U (en) | LED emergency power source with wrong function of self -checking newspaper | |
| CN201022145Y (en) | Over current protection system for breaker | |
| CN2871306Y (en) | Contact flash with short-circuit protection | |
| CN202585275U (en) | Novel secondary control circuit of permanent magnet structure | |
| CN201638340U (en) | Fire prevention pre-alarm device for machine room of base station | |
| CN2651759Y (en) | Protector of AC three-phase electric monitoring and power-driven apparatus | |
| CN2879407Y (en) | Fast exit module having hardware self-holding function | |
| CN100466142C (en) | Special equipment for no ground electrode lightening proof | |
| CN2741257Y (en) | Double power supply switching controller with phase-off protector | |
| CN2836299Y (en) | Mini-type integrated explosion-proof and intrinsically safe multi-functional vacuum electromagnetic starter for mining use | |
| CN2779726Y (en) | A controllable time delay switch | |
| CN215449471U (en) | Portable miniature simulation circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141115 Granted publication date: 20060510 |