CN212572054U - Electronic type electric leakage molded case circuit breaker - Google Patents
Electronic type electric leakage molded case circuit breaker Download PDFInfo
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- CN212572054U CN212572054U CN202021029785.2U CN202021029785U CN212572054U CN 212572054 U CN212572054 U CN 212572054U CN 202021029785 U CN202021029785 U CN 202021029785U CN 212572054 U CN212572054 U CN 212572054U
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Abstract
The utility model discloses an electronic type electric leakage plastic shell breaker, which comprises a controller and a breaker, wherein the input end of the breaker is electrically connected with an input power supply module, the output end of the breaker is electrically connected with an output power supply module, the input end of the controller is electrically connected with an anti-surge circuit module, the output end of the controller is electrically connected with a protection module, the input end of the anti-surge circuit module is electrically connected with a rectification module, the rectification module is electrically connected with the output end of the breaker, the output end of the protection module is electrically connected with the input end of the breaker, the utility model has the functions of overvoltage protection, undervoltage protection, open-phase protection, overload long delay time, short circuit instantaneous and three-phase current unbalance protection, and electric leakage tripping protection, the circuit and the power supply equipment can be protected from being damaged and personal safety can be ensured.
Description
Technical Field
The utility model belongs to the technical field of the circuit breaker, concretely relates to electronic type electric leakage moulded case circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances.
The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used.
Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.
At present, a circuit breaker on the market has no functions of overvoltage protection, undervoltage protection, open-phase protection, overload long delay inverse time, short delay time, short circuit instant and three-phase current unbalance protection and leakage tripping protection, and can protect a line and power supply equipment from being damaged and personal safety.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic type electric leakage moulded case circuit breaker has overvoltage protection, undervoltage protection, open-phase protection, transships long time delay inverse time limit, short circuit short time delay time limit, short circuit instantaneous and unbalanced protect function of three phase current, earth leakage tripping operation protect function, can protect circuit and power supply equipment not damaged and personal safety to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an electronic type electric leakage molded case circuit breaker comprises a controller and a circuit breaker, wherein the input end of the circuit breaker is electrically connected with an input power supply module, and the output end of the circuit breaker is electrically connected with an output power supply module;
the input end of the controller is electrically connected with an anti-surge circuit module, the output end of the controller is electrically connected with a protection module, the input end of the anti-surge circuit module is electrically connected with a rectifying module, the rectifying module is electrically connected with the output end of the circuit breaker, and the output end of the protection module is electrically connected with the input end of the circuit breaker;
the protection module comprises an overvoltage module, an undervoltage module, a default phase protection module and a three-phase current unbalance protection module;
the output end of the controller is electrically connected with a display module, and the output end of the controller is electrically connected with an alarm module;
the controller is electrically connected with an external timer.
Preferably, the rectifier module includes a voltage reduction circuit, a rectifier circuit, a voltage stabilizing circuit, and a filter circuit, and the rectifier circuit employs a bridge circuit.
Preferably, the alarm module adopts sound and light alarm, and the sound and light alarm comprises a warning lamp and a buzzer.
Preferably, the display module comprises a liquid crystal display screen, and the liquid crystal display screen is a 12864 dot matrix OLED liquid crystal display screen.
Preferably, a fuse is electrically connected between the input power supply and the circuit breaker, and a book output end of the fuse is electrically connected with an input end of the circuit breaker.
Preferably, the circuit breaker is further electrically connected with a grounding module.
The utility model discloses a technological effect and advantage:
1. electronic type electric leakage moulded case circuit breaker, input electric connection through the controller has anti-surge circuit module, anti-surge circuit module's input electric connection has rectifier module, rectifier module and circuit breaker's output electric connection, the output electric connection of controller has protection module, protection module's output and circuit breaker's input electric connection, because of protection module includes excessive pressure module, undervoltage module and default phase protection module, and then this circuit breaker has overvoltage protection, undervoltage protection, default phase protection, overload long time delay inverse time limit, short circuit short time delay time limit, short circuit instantaneous and three-phase current unbalance protection function, electric leakage tripping protection function, can protect circuit and power supply equipment not damaged and personal safety.
Drawings
FIG. 1 is a schematic view of the flow module structure of the present invention;
fig. 2 is a schematic diagram of the structure of the protection module of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
The utility model provides an electronic type electric leakage molded case circuit breaker as shown in figures 1-2, which comprises a controller and a circuit breaker, wherein the input end of the circuit breaker is electrically connected with an input power supply module, and the output end of the circuit breaker is electrically connected with an output power supply module;
the input end of the controller is electrically connected with an anti-surge circuit module, the output end of the controller is electrically connected with a protection module, the input end of the anti-surge circuit module is electrically connected with a rectifying module, the rectifying module is electrically connected with the output end of the circuit breaker, and the output end of the protection module is electrically connected with the input end of the circuit breaker;
the protection module comprises an overvoltage module, an undervoltage module, a phase failure protection module and a three-phase current unbalance protection module, and can perform current overload, short-circuit short-delay and instantaneous protection, leakage trip and three-phase current unbalance protection functions on the circuit breaker;
the output end of the controller is electrically connected with a display module, and the output end of the controller is electrically connected with an alarm module;
the controller is electrically connected with an external timer.
Furthermore, the rectifier module comprises a voltage reduction circuit, a rectifier circuit, a voltage stabilizing circuit and a filter circuit, wherein the rectifier circuit adopts a bridge circuit, and the bridge circuit is adopted through the rectifier circuit, so that the aim of protecting the controller can be better fulfilled.
Further, the alarm module adopts audible and visual alarm, and audible and visual alarm includes warning light and bee calling organ, adopts audible and visual alarm through the alarm module, and audible and visual alarm includes warning light and bee calling organ, whether the operation of understanding circuit breaker in time that can be better takes place the abnormal situation.
Further, display module includes liquid crystal display, liquid crystal display is 12864 dot matrix OLED liquid crystal screen and shows, includes liquid crystal display through display module, liquid crystal display shows for 12864 dot matrix OLED liquid crystal screen, the numerical conditions such as voltage, electric current when can be better looking over the circuit breaker operation.
Further, it has the fuse to go back electric connection between input power supply and the circuit breaker, the book output of fuse and the input electric connection of circuit breaker go back electric connection through input power supply and circuit breaker have the fuse, the book output of fuse and the input electric connection of circuit breaker can be better reach the purpose that plays the protection to the circuit breaker.
Furthermore, the circuit breaker still electric connection has ground connection module, has ground connection module through circuit breaker still electric connection, can be better reach the purpose that plays the protection to the circuit breaker.
To sum up, this electronic type electric leakage moulded case circuit breaker, input electric connection through the controller has the anti-surge circuit module, the input electric connection of anti-surge circuit module has rectifier module, rectifier module and the output electric connection of circuit breaker, the output electric connection of controller has protection module, protection module's output and the input electric connection of circuit breaker, because of protection module includes overvoltage module, undervoltage module and default phase protection module, and then this circuit breaker has overvoltage protection, undervoltage protection, default phase protection, overload long time delay inverse time limit, short time delay time limit, short circuit instantaneous and three-phase current unbalance protection function, tripping operation earth leakage protection function, can protect circuit and power supply equipment not damaged and personal safety.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides an electronic type electric leakage moulded case circuit breaker, includes controller and circuit breaker, its characterized in that: the input end of the circuit breaker is electrically connected with an input power supply module, and the output end of the circuit breaker is electrically connected with an output power supply module;
the input end of the controller is electrically connected with an anti-surge circuit module, the output end of the controller is electrically connected with a protection module, the input end of the anti-surge circuit module is electrically connected with a rectifying module, the rectifying module is electrically connected with the output end of the circuit breaker, and the output end of the protection module is electrically connected with the input end of the circuit breaker;
the protection module comprises an overvoltage module, an undervoltage module, a default phase protection module and a three-phase current unbalance protection module;
the output end of the controller is electrically connected with a display module, and the output end of the controller is electrically connected with an alarm module;
the controller is electrically connected with an external timer.
2. The electronic leaky molded case circuit breaker as claimed in claim 1, wherein: the rectification module comprises a voltage reduction circuit, a rectification circuit, a voltage stabilizing circuit and a filter circuit, wherein the rectification circuit adopts a bridge circuit.
3. The electronic leaky molded case circuit breaker as claimed in claim 1, wherein: the alarm module adopts audible and visual alarm, and the audible and visual alarm comprises a warning lamp and a buzzer.
4. The electronic leaky molded case circuit breaker as claimed in claim 1, wherein: the display module comprises a liquid crystal display screen which is 12864 dot matrix OLED liquid crystal screen for display.
5. The electronic leaky molded case circuit breaker as claimed in claim 1, wherein: still electric connection has the fuse between input power and the circuit breaker, the book output of fuse and the input electric connection of circuit breaker.
6. The electronic leaky molded case circuit breaker as claimed in claim 1, wherein: the circuit breaker is also electrically connected with a grounding module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021029785.2U CN212572054U (en) | 2020-06-08 | 2020-06-08 | Electronic type electric leakage molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021029785.2U CN212572054U (en) | 2020-06-08 | 2020-06-08 | Electronic type electric leakage molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212572054U true CN212572054U (en) | 2021-02-19 |
Family
ID=74629049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021029785.2U Expired - Fee Related CN212572054U (en) | 2020-06-08 | 2020-06-08 | Electronic type electric leakage molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212572054U (en) |
-
2020
- 2020-06-08 CN CN202021029785.2U patent/CN212572054U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |