CN207051706U - A kind of PE loops on-line measuring device - Google Patents
A kind of PE loops on-line measuring device Download PDFInfo
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- CN207051706U CN207051706U CN201721047304.9U CN201721047304U CN207051706U CN 207051706 U CN207051706 U CN 207051706U CN 201721047304 U CN201721047304 U CN 201721047304U CN 207051706 U CN207051706 U CN 207051706U
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- loops
- control module
- lines
- measuring device
- line measuring
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Abstract
The utility model discloses a kind of PE loops on-line measuring device, the PE loops on-line measuring device includes and the control module of electrical equipment PE lines, N lines and cage connection, the solid-state relay for being connected and being serially connected on electrical equipment L lines and N lines with control module, the communication module being connected on control module output port, the control module connects resistance and output monitoring information and control signal to detect, the solid-state relay to break-make control, the communication module to by control module output information access internet.A kind of PE loops on-line measuring device of the utility model passes through the connection resistance between control module on-line checking electrical equipment PE lines and N lines and electrical equipment shell, and by solid-state relay and communication module come control circuit break-make and external real-time release warning information, it can be effectively prevented from coming to harm because PE loose contacts cause personnel to get an electric shock.
Description
Technical field
A kind of electrical safety monitoring device is the utility model is related to, more particularly to a kind of PE loops on-line measuring device.
Background technology
The PE loops detection of electrical equipment has great significance to Electrical Safety, but lacks at present and electrical equipment is existed
PE loops under line high-pressure situations are detected in real time, therefore the situation for personnel's electric shock easily occur occurs, and is unfavorable for from system perspective
Solve electrical safety problems.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of PE loops on-line measuring device, and it can be online to PE
Warning information is detected and sent in real time in loop, can prevent from coming to harm because PE loose contacts cause personnel to get an electric shock.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical scheme that：
A kind of PE loops on-line measuring device, including with the control module of electrical equipment PE lines, N lines and cage connection, with
Control module connects and is serially connected in electrical equipment L lines and solid-state relay on N lines, is connected on control module output port
Communication module, the control module connect resistance and output monitoring information and control signal, the solid-state relay to detect
To break-make control, the communication module to by control module output information access internet.A kind of PE of the utility model is returned
Road on-line measuring device passes through the connection electricity between control module on-line checking electrical equipment PE lines and N lines and electrical equipment shell
Resistance, so as to judge the connection states of PE lines real-time, and by solid-state relay and communication module come control circuit break-make with
External real-time release warning information, it can be effectively prevented from coming to harm because PE loose contacts cause personnel to get an electric shock.
Preferably, the control module is single-chip microcomputer.
Preferably, the single-chip microcomputer model STC15W408AS.
Preferably, the communication module is connected by internet with user PC ends or mobile terminal, it is easy to user to carry out
Remote information monitors.
Preferably, the communication module, which is RS485, turns RJ45 communication modules.
Preferably, the RS485 turns RJ45 communication module models LAN8720.
Preferably, the control module is connected with pre-alarm display device, it is easy to user timely, intuitively to obtain early warning letter
Breath.
Preferably, the control module is also associated with the switch that electrically resumes operation, when electric state passes through manual maintenance
Recover normal, can be allowed by switch and electrically resumed operation.
Compared with prior art, a kind of beneficial effect of PE loops on-line measuring device of the utility model：By controlling mould
Connection resistance between block on-line checking electrical equipment PE lines and N lines and electrical equipment shell, and by solid-state relay and lead to
Letter module comes control circuit break-make and external real-time release warning information, can be effectively prevented from because PE loose contacts cause personnel to touch
Electricity comes to harm.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of schematic diagram of PE loops on-line measuring device of the utility model.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification, unless specifically stated otherwise, can be equivalent by other or with similar purpose
Alternative features are replaced.I.e., unless specifically stated otherwise, each feature is an example in a series of equivalent or similar characteristics
.
As shown in figure 1, a kind of PE loops on-line measuring device of the utility model, including with electrical equipment PE lines, N lines and outer
The control module of shell connection, it is connected with control module and is serially connected in electrical equipment L lines and the solid-state relay on N lines, is connected to
Communication module on control module output port, the control module connect resistance and output monitoring information and control to detect
Signal, the solid-state relay to break-make control, the communication module to by control module output information access internet.
Wherein, L lines are live wire, N lines are zero line, PE lines are ground protection line.In use, used by control module on-line checking
Connection resistance between electric equipment PE lines and N lines and electrical equipment shell, resistance is smaller to show that connection state is better, so as in real time
The quick connection state for judging PE lines, at the same it is come control circuit break-make and externally real-time by solid-state relay and communication module again
Warning information is issued, can be effectively prevented from coming to harm because PE loose contacts cause personnel to get an electric shock.
As shown in figure 1, in a kind of PE loops on-line measuring device of the utility model, the control module is single-chip microcomputer, institute
State single-chip microcomputer model STC15W408AS.The communication module is connected by internet with user PC ends or mobile terminal, described
Communication module is that RS485 turns RJ45 communication modules, and the RS485 turns RJ45 communication module models LAN8720.The control mould
Block is connected with pre-alarm display device.The control module is also associated with the switch that electrically resumes operation.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, every the present invention's
All any modification, equivalent and improvement made within spirit and principle etc., should be included in the scope of the protection.
Claims (8)
- A kind of 1. PE loops on-line measuring device, it is characterised in that：Including the control with electrical equipment PE lines, N lines and cage connection Molding block, it is connected with control module and is serially connected in electrical equipment L lines and the solid-state relay on N lines, to be connected to control module defeated Communication module in exit port, the control module are described to detect connection resistance and output monitoring information and control signal Solid-state relay to break-make control, the communication module to by control module output information access internet.
- A kind of 2. PE loops on-line measuring device according to claim 1, it is characterised in that：The control module is monolithic Machine.
- A kind of 3. PE loops on-line measuring device according to claim 2, it is characterised in that：The single-chip microcomputer model STC15W408AS。
- A kind of 4. PE loops on-line measuring device according to claim 1, it is characterised in that：The communication module passes through mutual Networking is connected with user PC ends or mobile terminal.
- A kind of 5. PE loops on-line measuring device according to claim 1 or 4, it is characterised in that：The communication module is RS485 turns RJ45 communication modules.
- A kind of 6. PE loops on-line measuring device according to claim 5, it is characterised in that：The RS485 turns RJ45 and led to Believe module model LAN8720.
- A kind of 7. PE loops on-line measuring device according to claim 1, it is characterised in that：The control module is connected with Pre-alarm display device.
- A kind of 8. PE loops on-line measuring device according to claim 1 or 3 or 7, it is characterised in that：The control module It is also associated with the switch that electrically resumes operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721047304.9U CN207051706U (en) | 2017-08-21 | 2017-08-21 | A kind of PE loops on-line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721047304.9U CN207051706U (en) | 2017-08-21 | 2017-08-21 | A kind of PE loops on-line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207051706U true CN207051706U (en) | 2018-02-27 |
Family
ID=61503229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721047304.9U Active CN207051706U (en) | 2017-08-21 | 2017-08-21 | A kind of PE loops on-line measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207051706U (en) |
-
2017
- 2017-08-21 CN CN201721047304.9U patent/CN207051706U/en active Active
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