CN217133317U - Detection circuit of leakage protector - Google Patents
Detection circuit of leakage protector Download PDFInfo
- Publication number
- CN217133317U CN217133317U CN202122640348.5U CN202122640348U CN217133317U CN 217133317 U CN217133317 U CN 217133317U CN 202122640348 U CN202122640348 U CN 202122640348U CN 217133317 U CN217133317 U CN 217133317U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- control module
- microcomputer control
- module
- leakage protector
- 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.)
- Active
Links
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a detection circuit of a leakage protector, which comprises a single chip microcomputer control module, a power module and a communication module, wherein the power module and the communication module are respectively connected with the single chip microcomputer control module; the communication module is used for communicating the single chip microcomputer control module and an external server so that the single chip microcomputer control module and the external server can carry out two-way communication. The utility model discloses a reset unit and the test unit that set up single chip microcomputer control module and earth-leakage protector are connected to set up communication module and make single chip microcomputer control module and outer clothes server be connected, alright with remote operation single chip microcomputer control module to earth-leakage protector detection and leakage detection reset, saved manpower and materials, improve economic benefits, reduced the potential safety hazard.
Description
Technical Field
The utility model relates to an automatic control technical field especially relates to a earth-leakage protector detection circuitry.
Background
The leakage protector, called leakage breaker for short, is mainly used for protecting the electric shock of human body with fatal danger when the equipment has leakage fault, has the functions of overload and short circuit protection, can be used for protecting the overload and short circuit of a circuit or a motor, and can also be used for the infrequent switching and starting of the circuit under normal conditions.
At present earth-leakage protector all needs the manual work to pass through the test key regularly, whether test earth-leakage protection switch electric leakage function damages, then press the reset key through the manual work, whether test earth-leakage protector can close a floodgate and reset, in some remote computer rooms, adopt artifical detection earth-leakage protector very to waste time and energy, for the reduce cost, people generally are the long time just can detect to the earth-leakage protector of the computer room of remote place, this is obviously unfavorable for safety, consequently, in order to detect the earth-leakage protection of inconvenient detection, an urgent need is a remote detection earth-leakage protector's method.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a leakage protector detection circuitry to the manual work detects the problem that leakage protector ten minutes wasted time and energy among the solution.
In order to realize the purpose, the following technical scheme is adopted:
the utility model provides a leakage protector detection circuitry, includes single chip microcomputer control module, and respectively with power module and the communication module that single chip microcomputer control module connects, wherein:
the single chip microcomputer control module is respectively connected with the test unit and the reset unit of the leakage protector and is used for sending a reset signal to the reset unit so as to reset the leakage protector or/and sending a test signal to the test unit so as to confirm whether the leakage protector works or not;
the power supply module is used for supplying power to the singlechip control module and the communication module;
the communication module is used for communicating the single-chip microcomputer control module and an external server so that the single-chip microcomputer control module and the external server can carry out two-way communication.
Furthermore, the single chip microcomputer control module is further connected with an electrical parameter acquisition module, the electrical parameter acquisition module is used for acquiring current parameters and voltage parameters output by the leakage protector in real time, and the electrical parameter acquisition module is further connected with the power supply module.
Furthermore, the electric parameter acquisition module comprises a current sensor and a voltage sensor, the current sensor and the voltage sensor are respectively used for sampling the current parameter and the voltage parameter of the leakage protector, and the amplified current parameter and the amplified voltage parameter are output to the single chip microcomputer control module through the metering differential amplification unit after sampling.
Further, after the single chip microcomputer control module sends a test signal to the test unit, if the electric parameter acquisition module acquires a current parameter and a voltage parameter which are higher than a preset value, the single chip microcomputer control module sends a reset signal to the reset unit so that the earth leakage protector resets, the single chip microcomputer control module sends the test signal to the test unit again, if the electric parameter acquisition module acquires the current parameter and the voltage parameter which are higher than the preset value, the single chip microcomputer control module sends an alarm signal to the external server through the communication module.
Further, the power module is used for converting an AC voltage of AC220V into a DC voltage of DC5V and then supplying power to the single chip microcomputer control module and the communication module.
Furthermore, the power module comprises a switching power supply chip, a rectifier bridge and a high-frequency switching power supply transformer.
Adopt above-mentioned scheme, the beneficial effects of the utility model are that:
through setting up single chip microcomputer control module and earth-leakage protector's reset unit and test unit and being connected to set up communication module and make single chip microcomputer control module and outer clothes server be connected, alright with remote operation single chip microcomputer control module to earth-leakage protector detection and leakage detection reset, saved manpower and materials, improve economic benefits, reduced the potential safety hazard.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic circuit diagram of the electrical parameter acquisition module of the present invention;
fig. 3 is a schematic circuit diagram of the power module of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, a detection circuit of a leakage protector includes a single-chip microcomputer control module 1, and a power module 2 and a communication module 3 respectively connected to the single-chip microcomputer control module 1, wherein:
the single chip microcomputer control module 1 is respectively connected with the test unit 41 and the reset unit 42 of the leakage protector 4, and is used for sending a reset signal to the reset unit 42 so as to reset the leakage protector 4, or/and sending a test signal to the test unit 41 so as to confirm whether the leakage protector 4 works;
the power module 2 is used for supplying power to the singlechip control module 1 and the communication module 3;
the communication module 3 is used for communicating the single-chip microcomputer control module 1 with the external server 5, so that the single-chip microcomputer control module 1 and the external server 5 can perform bidirectional communication.
With reference to fig. 1, the single chip microcomputer control module 1 is further connected to an electrical parameter acquisition module 6, the electrical parameter acquisition module 6 is used for acquiring the current parameter and the voltage parameter output by the leakage protector 4 in real time, and the electrical parameter acquisition module is further connected to the power module 2. Whether the leakage protector 4 is conducted or not is detected by adopting the electrical parameter acquisition module 6, so that the result of the leakage test of the leakage protector 4 is judged by the single chip microcomputer control module 1.
Additionally, as shown in fig. 2, the electrical parameter collecting module 6 includes a current sensor T1 and a voltage sensor T2, and the current sensor T1 and the voltage sensor T2 are respectively configured to sample a current parameter and a voltage parameter of the earth leakage protector 4, and output the amplified current parameter and voltage parameter to the single chip microcomputer control module 1 through the metering differential amplifying unit 61 after sampling.
As a supplement, when the single chip microcomputer control module 1 performs the leakage test on the leakage protector 4, after the single chip microcomputer control module 1 sends a test signal to the test unit 41, if the electric parameter acquisition module 6 acquires the current parameter and the voltage parameter higher than the preset value, the single chip microcomputer control module 1 sends a reset signal to the reset unit so that the leakage protector 4 is reset, the test signal is sent to the test unit 41 again, if the electric parameter acquisition module 6 acquires the current parameter and the voltage parameter higher than the preset value, the single chip microcomputer control module 1 sends an alarm signal to the external server 5 through the communication module 3, the worker is reminded, the current leakage protector 4 has no protection effect and needs to be replaced in time.
As shown in fig. 3, the power module 2 is used to convert AC220V AC voltage into DC5V DC voltage and then supply power to the single chip microcomputer control module 1 and the communication module 3.
Specifically, the power module 2 includes a switching power chip U1, a rectifier bridge BR1, and a high-frequency switching power transformer triac.
The utility model discloses a theory of operation: the single chip microcomputer control module 1 is set to send a reset signal and a test signal to the leakage protector 4 at regular time through the external server 5, so that the leakage protector 4 carries out regular leakage test and reset, wherein when the test signal is sent to the test unit 41, the leakage protector 4 trips in a normal state, a circuit connected with the leakage protector is not conducted, but when the leakage protector 4 is damaged, the leakage protector 4 does not trip, the circuit connected with the leakage protector is still in a conducting state, at the moment, the electric parameter acquisition module 6 acquires that the leakage protector 4 can still output current and voltage, after the single chip microcomputer control module 1 receives the current parameter and the voltage parameter acquired by the electric parameter acquisition module 6, the abnormal work of the leakage protector 4 can be known, the reset signal is sent to the reset unit 42, so that the leakage protector 4 is reset, and then the test signal is continuously sent to the test unit 41 for testing, repeating the above steps, under the condition that the earth leakage protector 4 still does not work normally, the single chip microcomputer control module 1 sends out the prompt to the external server 5 through the communication module 3, so that the staff can conveniently come to overhaul the earth leakage protector 4 on site.
Has the beneficial effects that: reset unit 42 and test unit 41 through setting up single chip microcomputer control module 1 and earth-leakage protector 4 are connected to set up communication module 3 and make single chip microcomputer control module 1 be connected with outer clothes server 5, alright with remote operation single chip microcomputer control module 1 detects and the earth-leakage detection resets earth-leakage protector 4, has saved manpower and materials, improves economic benefits, has reduced the potential safety hazard.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (6)
1. The utility model provides a leakage protector detection circuitry which characterized in that, includes single chip microcomputer control module to and respectively with power module and the communication module that single chip microcomputer control module is connected, wherein:
the single chip microcomputer control module is respectively connected with the test unit and the reset unit of the leakage protector and is used for sending a reset signal to the reset unit so as to reset the leakage protector or/and sending a test signal to the test unit so as to confirm whether the leakage protector works or not;
the power supply module is used for supplying power to the singlechip control module and the communication module;
the communication module is used for communicating the single-chip microcomputer control module and an external server so that the single-chip microcomputer control module and the external server can carry out two-way communication.
2. The detection circuit of the earth leakage protector as claimed in claim 1, wherein the single-chip microcomputer control module is further connected to an electrical parameter acquisition module, the electrical parameter acquisition module is configured to acquire the current parameter and the voltage parameter output by the earth leakage protector in real time, and the electrical parameter acquisition module is further connected to the power supply module.
3. The detection circuit of the earth leakage protector as claimed in claim 2, wherein the electrical parameter acquisition module comprises a current sensor and a voltage sensor, the current sensor and the voltage sensor are respectively used for sampling a current parameter and a voltage parameter of the earth leakage protector, and after sampling, the amplified current parameter and voltage parameter are output to the single chip microcomputer control module through the metering differential amplification unit.
4. The leakage protector detection circuit of claim 3, wherein after the single chip microcomputer control module sends the test signal to the test unit, if the electrical parameter acquisition module acquires the current parameter and the voltage parameter higher than the preset values, the single chip microcomputer control module sends a reset signal to the reset unit to reset the leakage protector, and then sends the test signal to the test unit again, and if the electrical parameter acquisition module acquires the current parameter and the voltage parameter higher than the preset values, the single chip microcomputer control module sends the alarm signal to the external server through the communication module.
5. The earth-leakage protector detection circuit as claimed in claim 1, wherein the power module is configured to convert AC220V AC voltage into DC5V DC voltage for powering the single-chip microcomputer control module and the communication module.
6. A detection circuit for a leakage protector according to claim 1, wherein the power supply module comprises a switching power supply chip, a rectifier bridge and a high frequency switching power supply transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122640348.5U CN217133317U (en) | 2021-10-28 | 2021-10-28 | Detection circuit of leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122640348.5U CN217133317U (en) | 2021-10-28 | 2021-10-28 | Detection circuit of leakage protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217133317U true CN217133317U (en) | 2022-08-05 |
Family
ID=82614713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122640348.5U Active CN217133317U (en) | 2021-10-28 | 2021-10-28 | Detection circuit of leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217133317U (en) |
-
2021
- 2021-10-28 CN CN202122640348.5U patent/CN217133317U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204649834U (en) | A kind of integral and intelligent electric energy meter with leakage current monitoring and protecting function | |
| CN102487188A (en) | Resettable overvoltage and under-voltage protection switch | |
| CN112531642B (en) | Residual current protection circuit and residual current protection device | |
| CN208272700U (en) | Electric power auxiliary power supply system | |
| CN101488657A (en) | Detection and protection apparatus for leakage | |
| CN108736567A (en) | Power supply system for electric power monitoring | |
| CN217133317U (en) | Detection circuit of leakage protector | |
| CN201724969U (en) | Intelligent measurement display device of switch cabinet | |
| CN2907020Y (en) | Single-chip-computer controlled earth wire detection and safety protection device | |
| CN201955425U (en) | Insulation fault positioning device in hospital isolated power supply system | |
| CN201378730Y (en) | Power circuit breaker protective circuit | |
| CN201048208Y (en) | Intelligent safety power supply socket | |
| CN103683186A (en) | Residual current breaker with self-tuning function | |
| CN214252508U (en) | Electric leakage test detection device of circuit breaker | |
| CN209000177U (en) | The anti-power transmission alarm device of 10KV power distribution station | |
| CN213461130U (en) | Multifunctional overcurrent protection device | |
| CN208241303U (en) | Three pole on-off leakage protecting plug of intelligent control type | |
| CN203983955U (en) | Transformer neutral point is through circuit interrupter grounding device | |
| CN201993871U (en) | Novel fire detector | |
| CN201556935U (en) | Automatic control aftercurrent protector | |
| CN109752583A (en) | A kind of isolated DC current detection circuit with prime protection | |
| CN215498241U (en) | Residual current operated protective device test trip detection circuit | |
| CN113097970B (en) | Novel distribution safety power consumption device | |
| CN211556848U (en) | Leakage protection device | |
| CN104655922A (en) | Vicious load judging system based on voltage and current sampling data |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |