CN208046206U - A kind of intelligent protection device for distribution loop - Google Patents
A kind of intelligent protection device for distribution loop Download PDFInfo
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- CN208046206U CN208046206U CN201820145934.8U CN201820145934U CN208046206U CN 208046206 U CN208046206 U CN 208046206U CN 201820145934 U CN201820145934 U CN 201820145934U CN 208046206 U CN208046206 U CN 208046206U
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- distribution loop
- protection device
- microprocessor
- intelligent protection
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Abstract
The utility model discloses a kind of intelligent protection device for distribution loop, the intelligent protection device includes：Microprocessor, the microprocessor is controlling the operation of the intelligent protection device；Voltage transformer, the voltage transformer are electrically connected to the microprocessor and to measuring loop voltages；Current sensing means, the current sensing means are electrically connected to the microprocessor and to detect distribution loop phase current and residual current size；Touch display screen, the touch display screen are electrically connected to microprocessor and adjust type and setting time to be arranged and show protection；Breaker, the circuit breaker electric are connected to the microprocessor and complete the protection of distribution loop by tripping.Intelligent protection device disclosed by the utility model can set distribution loop the setting parameter of protection, substantially increase the occasion of application and the range of protection, by being wirelessly connected and showing the data of protection circuit with user terminal, realize the intelligence of protective device.
Description
Technical field
The utility model is related to electric power protection field more particularly to a kind of intelligent protection devices for distribution loop.
Background technology
Currently, people mainly protect distribution loop with electric leakage protection relay, electric leakage protection relay has
Detection and the function of judging leakage current.Electric leakage protection relay can coordinate with the automatic switch of high current, make its breaking, cut-out master
Circuit.Electric leakage protection relay not only it main circuit can be switched on or switched off as other breakers, but also with to electric leakage
The function of flowing detection and judge, when electric leakage or insulation breakdown occur in major loop, electric leakage protection relay can be tied according to judgement
The switch element that main circuit is switched on or switched off by fruit.
But traditional electric leakage protection relay has a single function, such as：Electric leakage occurs in distribution loop or major loop is short
When the failure of road, traditional electric leakage protection relay can not detect and record during protection the circuit to break down voltage and
Electric current, and then be also impossible to show the circuit parameter of failure.Moreover, the protection class of traditional electric leakage protection relay
Type and the parameter of protection have been set in manufacture, i.e., earth leakage protective application scenario is single, can not be directed to different protections and be returned
Road, which is set, different adjusts type and parameter, such as setting time, setting current.
Utility model content
It, should in order to overcome above-mentioned technological deficiency, the utility model to provide a kind of intelligent protection device for distribution loop
Device different protective loops can not only be set it is different adjust type and parameter, can show and record the number of faulty circuit
According to.
To solve the above-mentioned problems, the utility model is achieved by following technical scheme：
A kind of intelligent protection device for distribution loop, the intelligent protection device include：
Microprocessor, to control the operation of the intelligent protection device；
Voltage transformer is electrically connected to the microprocessor, to detect the voltage of distribution loop；
Current sensing means is electrically connected to the microprocessor, to detect the phase current and residual current of distribution loop
Size；
Touch display screen is electrically connected to the microprocessor, and type and parameter are adjusted to be arranged and show protection, and
To show the voltage of distribution loop, the phase current of distribution loop and the residual current size of detection gained；
Breaker is electrically connected to the microprocessor, and the protection of distribution loop is completed by tripping.
Further, the current sensing means includes the current divider and current transformer being arranged independently of each other, described point
Flow device to direct current detection, the current transformer to alternating current detection.
Further, the microprocessor includes the control chip for determining protection type and parameter.
Further, the microprocessor includes wireless communications chips, to be wirelessly connected with user terminal.
Further, the voltage transformer is single phase two-line coil structures.
Further, the touch display screen is LCD display.
Further, the interface between the microprocessor and the touch display screen is the communication terminal of transmission control protocol
Mouthful.
Further, the breaker includes shunt opening coil, to realize tripping when distribution loop breaks down.
Further, the shunt opening coil is electromagnetic type excitation structure.
Further, the intelligent protection device is electrically connected with distribution loop.
Compared with prior art, the utility model has the beneficial effects that：
(1) a kind of intelligent protection device for distribution loop disclosed by the utility model, can be according to demand to difference
Distribution loop adjust type and parameter is configured, i.e.,：It, only need to be when being applied in different power distribution protection circuits
It is to be protected needed for being set in touch display screen to adjust type and parameter (such as setting time, setting current etc.), then pass through
The processing of internal microprocessor, can set different protection seting types, be protected to different distribution loops to reach
Shield, therefore, the application range of the utility model is extremely extensive, and the setting parameter protected more refines.
(2) a kind of intelligent protection device for distribution loop disclosed by the utility model, can be directly aobvious by touching
The parameter of display screen real-time display protection, and the number of distribution major loop can be shown after distribution major loop breaks down in time
According to (such as false voltage, fault current etc.).
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings,
Wherein：
Fig. 1 is a kind of structural schematic diagram of the intelligent protection device provided by the utility model for distribution loop.
In figure：
1- microprocessors；2- voltage transformers；3- current sensing means；
31- current dividers；32- current transformers；4- touch display screens；
5- breakers.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1, the utility model discloses a kind of intelligent protection devices for distribution loop, including：Microprocessor
Device 1, microprocessor 1 is controlling the operation of intelligent protection device；Voltage transformer 2, voltage transformer 2 are electrically connected to microprocessor
Device 1 and to measuring loop voltage；Current sensing means 3, current sensing means 3 are electrically connected to microprocessor 1 and to detect
Distribution loop phase current and residual current size；Touch display screen 4, touch display screen 4 are electrically connected to microprocessor 1 to be arranged
And show protection adjusts type and setting time；Breaker 5, breaker 5 are electrically connected to microprocessor 1 and are completed by tripping
The protection of distribution loop.Intelligent protection device described in the utility model sets Protection parameters and type by user, and display is simultaneously
The fault data of record protection realizes the intelligence and fining of distribution loop protection.
To be accurate to the size and the variation that detect electric current during distribution loop protection, it is preferable that current detecting fills
It includes independently of each other and to acquire the current divider 31 and current transformer 32 of electric current to set 3.Wherein, for the acquisition of direct current and
Detection, using current divider 31 as detection part, acquisition and detection for alternating current, using current transformer 32 as detection
Component, and utilize current sensing means 3 by the current data real-time Transmission of detection to microprocessor 1.
Microprocessor 1 is the core of intelligent protection device, has logical operation capability, storage and communication function, can identify
Whether circuit occurs overload, short circuit or earth fault, wherein certain time before and after 1 energy store loop protection act of microprocessor
Loop voltage, current value optimize the control to protective device convenient for the analysis after breaking down to distribution loop, for more
Good is controlled by microprocessor 1 and applied to the circuit of protection, it is preferable that microprocessor 1 includes determining protection type and guarantor
Protect the control chip of time.To promote the intelligence of the utility model protective device, realizes that user is grasped using intelligent terminal and protect
The parameters of protection unit, it is preferable that microprocessor 1 include wireless communications chips, the wireless communications chips to and user
Terminal is connected, for example, during user's use, can open the Bluetooth function of mobile phone terminal, utilize the intelligent protection
Bluetooth connection function is arranged in the touch display screen 4 of device, completes the Bluetooth pairing of mobile phone and the intelligent protection device, you can will
Various data and protection type Real-time Feedback in the touch display screen 4 of intelligent protection device realize that intelligence is protected to mobile phone terminal
The long-range display of protection unit parameters.
For the accuracy of detection for promoting to voltage, accelerate the protection response speed of intelligent protection device, it is preferable that mutual induction of voltage
Device 2 is single phase two-line coil structures, and voltage transformer 2 can use in single-phase circuit, can also be connected into V-V shapes with two and make three
Phase uses in circuit, to adapt to measure the needs of different circuit voltage.Different selections is carried out according to the difference of distribution loop.
Display to promote intelligent protection device is more clear, and facilitates user that the manipulation of protective device is arranged, it is preferable that
Touch display screen 4 adjusts the LCD display of type and setting time using display.Regulating and controlling protection dress by touch display screen 4
When setting, for long distribution loop, circuit short circuit current is smaller, can be realized by overload protection；When adjusting setting time, line is avoided
The cable long period overloads；The intelligent protection device ground connection setting current should avoid corresponding circuit units and cable normally reveals electricity
Stream, while being less than earth current when distribution loop end-equipment shell current potential reaches safe current potential.Wherein, moist place setting peace
Full potential is 36V, 50V carried out by other drying beds.It can be surplus by the way that monitoring circuit is arranged for long distribution loop end earth fault
Aftercurrent realizes that residual current setting valve and time can be also adjusted by touch display screen 4.Intelligence described in the utility model
When energy protective device is for protection fixed equipment, setting time is not more than 5 seconds, for protecting portable equipment or mobile device,
Setting time is not more than 0.4 second.
For enhancing microprocessor 1 and touch display screen 4 between data transmission reliability, it is preferable that microprocessor 1 and touch
The interface for touching display screen 4 is the PORT COM of transmission control protocol.Breaker 5 includes shunt opening coil by inside, described disconnected
Road device includes shunt opening coil, to realize tripping when distribution loop breaks down.When circuit phase voltage, phase current, residue
Current value reaches the setting valve of setting and is more than after corresponding to setting time, and the action of 1 output contact of microprocessor makes 5 shunt opening of breaker
Coil separating brake and then cut-off loop power supply, achieve the purpose that protective loop.Wherein, the shunt opening coil is electromagnetic type excitation knot
Structure so that the quick response of breaker 5 in protective loop.To make effective guarantor of this intelligent protection device to distribution loop
Shield, it is preferable that the intelligent protection device is electrically connected with distribution loop.
The other structures of intelligent protection device disclosed by the utility model for distribution loop are referring to the prior art, herein
It repeats no more.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, therefore it is every without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model to implementing above
Any modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by example.
Claims (10)
1. a kind of intelligent protection device for distribution loop, which is characterized in that the intelligent protection device includes：
Microprocessor, to control the operation of the intelligent protection device；
Voltage transformer is electrically connected to the microprocessor, to detect the voltage of distribution loop；
Current sensing means is electrically connected to the microprocessor, to detect the phase current and residual current size of distribution loop；
Touch display screen is electrically connected to the microprocessor, and type and parameter are adjusted to be arranged and show protection, and to
The voltage of distribution loop, the phase current of distribution loop and the residual current size of display detection gained；
Breaker is electrically connected to the microprocessor, and the protection of distribution loop is completed by tripping.
2. the intelligent protection device according to claim 1 for distribution loop, which is characterized in that the current detecting dress
Set current divider and current transformer including being arranged independently of each other, for the current divider to the detection of direct current, the electric current is mutual
Sensor to alternating current detection.
3. the intelligent protection device according to claim 1 for distribution loop, which is characterized in that the microprocessor packet
Include the control chip for determining protection type and parameter.
4. the intelligent protection device according to claim 1 for distribution loop, which is characterized in that the microprocessor packet
Wireless communications chips are included, to be wirelessly connected with user terminal.
5. the intelligent protection device according to claim 1 for distribution loop, which is characterized in that the voltage transformer
For single phase two-line coil structures.
6. the intelligent protection device according to claim 1 for distribution loop, which is characterized in that the touch display screen
It is LCD display.
7. the intelligent protection device according to claim 1 for distribution loop, which is characterized in that the microprocessor and
Interface between the touch display screen is the PORT COM of transmission control protocol.
8. the intelligent protection device according to claim 1 for distribution loop, which is characterized in that the breaker includes
There is shunt opening coil, to realize tripping when distribution loop breaks down.
9. the intelligent protection device according to claim 8 for distribution loop, which is characterized in that the shunt opening coil is
Electromagnetic type excitation structure.
10. being used for the intelligent protection device of distribution loop according to claim 1~9 any one of them, which is characterized in that described
Intelligent protection device is electrically connected with distribution loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820145934.8U CN208046206U (en) | 2018-01-29 | 2018-01-29 | A kind of intelligent protection device for distribution loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820145934.8U CN208046206U (en) | 2018-01-29 | 2018-01-29 | A kind of intelligent protection device for distribution loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208046206U true CN208046206U (en) | 2018-11-02 |
Family
ID=63954776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820145934.8U Active CN208046206U (en) | 2018-01-29 | 2018-01-29 | A kind of intelligent protection device for distribution loop |
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| Country | Link |
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| CN (1) | CN208046206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311350A (en) * | 2019-07-04 | 2019-10-08 | 天津市中力神盾电子科技有限公司 | Power distribution loop protection method and system |
| CN116819151A (en) * | 2023-08-28 | 2023-09-29 | 北京智芯微电子科技有限公司 | Low-voltage distribution switch and power supply equipment |
-
2018
- 2018-01-29 CN CN201820145934.8U patent/CN208046206U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311350A (en) * | 2019-07-04 | 2019-10-08 | 天津市中力神盾电子科技有限公司 | Power distribution loop protection method and system |
| CN116819151A (en) * | 2023-08-28 | 2023-09-29 | 北京智芯微电子科技有限公司 | Low-voltage distribution switch and power supply equipment |
| CN116819151B (en) * | 2023-08-28 | 2024-01-23 | 北京智芯微电子科技有限公司 | Low-voltage distribution switch and power supply equipment |
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Address after: 510010 No. 204 Huanshi West Road, Guangzhou City, Guangdong Province Patentee after: Guangzhou Metro Design and Research Institute Co., Ltd. Address before: 510010 No. 204 Huanshi West Road, Guangzhou City, Guangdong Province Patentee before: Guangzhou Metro Design & Research Institute Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |