CN205427048U - Ground resistance's monitoring devices with select communication mode and long -range host communication function - Google Patents
Ground resistance's monitoring devices with select communication mode and long -range host communication function Download PDFInfo
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- CN205427048U CN205427048U CN201520849836.9U CN201520849836U CN205427048U CN 205427048 U CN205427048 U CN 205427048U CN 201520849836 U CN201520849836 U CN 201520849836U CN 205427048 U CN205427048 U CN 205427048U
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Abstract
The utility model provides a ground resistance's monitoring devices with select communication mode and long -range host communication function, the engine oil -gas separator comprises a housin, be provided with operating panel on the casing, display panel and a plurality of binding post, have in the casing and correspond the mutual -inductor that links to each other with each binding post, and monitor control system, a serial communication port, monitor control system includes central processing unit, and the input module who links to each other with this central processing unit respectively, the output modul, a data memory, signal sampling module, communication module, communication module includes model selection submodule piece, and the corresponding communication mode submodule piece that links to each other with it, communication mode's selection is selected by user's model selection submodule piece according to the environment of locating of the equipment that ground resistance locates manually, model selection submodule root tuber according to user's operation switch select different communication mode submodule pieces so that system's work under the communication mode of difference, the communication mode choice is RS232 communication mode, GSM communication mode, and infrared communication mode.
Description
Technical field
This utility model relates to a kind of monitoring device, is more particularly a kind of monitoring device having and selecting communication mode with the earth resistance of distance host communication function, and this monitoring device is preferably used for the monitoring of the earth resistance of power equipment in power system.
Background technology
In power system, earthing mode mainly has resistance eutral grounding, resonance grounding and these several earthing modes earth-free.Wherein, resistance earthing has obtained increasingly being widely applied.The resistance quantity of neutral ground increases the most therewith, how to be monitored becoming a problem needing to pay attention to its operating mode.
Earth fault is likely to result in neutral resistance for a long time by electric current, so that shortening the service life of earth resistance, even produces earth resistance fault.During particular without protection act and signal alarm, only it is possible to starting protection action or signal alarm, i.e. system there is fault the most for a long time when fault develops further, and then expand fault, whole system can be caused tremendous influence.For earth resistance under operation, tour personnel use see, listen, depending on, the method such as smell only i.e. neutral resistor do not flow through electric current at system health in the case of carry out.
Summary of the invention
The purpose of this utility model is for overcoming shortcoming of the prior art and to provide the monitoring device of a kind of earth resistance, this device can the working condition of monitoring grounding resistance, in order to ensure that earth resistance runs with good state, especially this monitoring device has selection communication mode and distance host communication function, and this can preferably make the local environment according to monitoring device select communication mode more effectively monitoring situation is sent to distance host.
nullThe technical scheme realizing above-mentioned purpose is: a kind of have the monitoring device selecting communication mode with the earth resistance of distance host communication function，It includes housing，Guidance panel it is provided with on housing、Display floater and some binding posts，There is in housing the transformer that be connected corresponding with each binding post、And monitor control system，Monitor control system includes central processing unit，And the input module being connected with this central processing unit respectively、Output module、Data storage、Signal sampling module、Communication module，Communication module includes model selection submodule、And the corresponding communication mode submodule being attached thereto，The switching of model selection submodule selects different communication mode submodules so that system is operated under different communication modes，The communication mode range of choice is RS232 communication mode、GSM communication mode、And infrared communication pattern.
Preferably, communication mode is encrypted.
Preferably, the selection of communication mode is manually selected by user model selection submodule according to the local environment of equipment residing for earth resistance.
Such as residing for earth resistance equipment is mounted in open air or countryside, then this monitoring device is when mounted, then be adjusted to GSM communication mode by installation personnel by model selection submodule；If several years in the past, have become city around monitoring device, then monitoring device can continue current GSM communication mode, and installation personnel can also be adjusted to infrared communication pattern by model selection submodule.The adjustment of this pattern and selection select one, thus the core of model selection submodule is to select switch, this switch manually can be pulled by installation personnel or the operation such as rotation is to select the different communication mode submodule of connection.
It is highly preferred that communication contact set up by communication module and distance host, communication module receives instruction from distance host, and by this instruction feedback to central processing unit.
Use the monitoring device of earth resistance in power system of the present utility model, can be with the duty of monitoring grounding resistance, and this monitoring device has selection communication mode and distance host communication function, this can preferably make the local environment according to monitoring device, installation personnel manually select communication mode so that monitoring situation is sent to distance host.It is achieved in that the environment universality of the monitoring device of a model, because suitable pattern can have been directly selected according to the environmental aspect being arranged on, thus has avoided monitoring device and be arranged on different environment, in addition it is also necessary to the monitoring device of different model.
Accompanying drawing explanation
Fig. 1 shows the schematic elevational view according to a kind of monitoring device with the earth resistance selecting communication mode and distance host communication function of the present utility model；
Fig. 2 shows according to the block diagram having and selecting communication mode with the monitor control system of the grounding resistance monitoring device of distance host communication function of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, grounding resistance monitoring device of the present utility model is described in detail.
See Fig. 1, figure shows the schematic elevational view having and selecting communication mode with the grounding resistance monitoring device of distance host communication function of the present utility model.It includes housing, guidance panel and some binding posts it is provided with (at back side of shell on housing, not shown), there is in housing the transformer (not shown) that be connected corresponding with each binding post and monitor control system (not shown).
See Fig. 2, figure shows the block diagram of the monitor control system of grounding resistance monitoring device of the present utility model.Monitor control system includes central processing unit 1, and be connected with this central processing unit 1 respectively input module 3, output module 5, data storage 4, signal sampling module 2, communication module (not shown).
Signal sampling module 2 receives from the voltage of transformer or current output signal as its input signal, then exports this signal to central processing unit 1 after treatment.Transformer can include current transformer, voltage transformer.Input module 3 receives from the input signal on guidance panel, then outputs this to central processing unit 1.Input module such as can include input keyboard.
Communication module includes model selection submodule and the corresponding communication mode submodule being attached thereto.Model selection submodule can switch the different communication mode submodule of selection so that system is operated under different communication modes according to the operation of user.Communication mode can be such as RS232 communication mode, GSM communication mode, infrared communication pattern etc..Communication module individually and distance host carries out two-way communication can send the signal data of the preliminary treatment that output module 5 receives to distance host from central processing unit 1 subsequently.
Monitor control system can also include clock generator, and clock generator produces clock signal, and system operates under the coordination of clock signal, thus ensures that each functional module can coordinated operation.
Those skilled in the art of the present technique, can make various conversion or modification, the most all in the protection domain of the application in the case of without departing from spirit and scope of the present utility model.
Claims (4)
- null1. one kind has the monitoring device selecting communication mode with the earth resistance of distance host communication function，It includes housing，Guidance panel it is provided with on housing、Display floater and some binding posts，There is in housing the transformer that be connected corresponding with each binding post、And monitor control system，It is characterized in that，Monitor control system includes central processing unit，And the input module being connected with this central processing unit respectively、Output module、Data storage、Signal sampling module、Communication module，Communication module includes model selection submodule、And the corresponding communication mode submodule being attached thereto，Selecting by user according to the local environment of equipment residing for earth resistance of communication mode，Manually selected by model selection submodule，Model selection submodule switches the different communication mode submodule of selection so that system is operated under different communication modes according to the operation of user，The communication mode range of choice is RS232 communication mode、GSM communication mode、And infrared communication pattern.
- The most according to claim 1 have the monitoring device selecting communication mode with the earth resistance of distance host communication function, it is characterised in that communication mode is encrypted.
- The most according to claim 1 have the monitoring device selecting communication mode with the earth resistance of distance host communication function, it is characterized in that, communication contact set up by communication module and distance host, sends the signal data that output module receives to distance host from central processing unit subsequently.
- The most according to claim 1 have the monitoring device selecting communication mode with the earth resistance of distance host communication function, it is characterised in that communication module receives instruction from distance host, and this instruction is sent to central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520849836.9U CN205427048U (en) | 2015-10-23 | 2015-10-23 | Ground resistance's monitoring devices with select communication mode and long -range host communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520849836.9U CN205427048U (en) | 2015-10-23 | 2015-10-23 | Ground resistance's monitoring devices with select communication mode and long -range host communication function |
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| Publication Number | Publication Date |
|---|---|
| CN205427048U true CN205427048U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520849836.9U Expired - Fee Related CN205427048U (en) | 2015-10-23 | 2015-10-23 | Ground resistance's monitoring devices with select communication mode and long -range host communication function |
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| CN (1) | CN205427048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627197A (en) * | 2020-05-29 | 2020-09-04 | 保定市金凯澳自动化有限公司 | Wireless data management terminal |
| CN111937296A (en) * | 2018-05-14 | 2020-11-13 | 欧姆龙株式会社 | Motor control device and setting device |
-
2015
- 2015-10-23 CN CN201520849836.9U patent/CN205427048U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111937296A (en) * | 2018-05-14 | 2020-11-13 | 欧姆龙株式会社 | Motor control device and setting device |
| CN111627197A (en) * | 2020-05-29 | 2020-09-04 | 保定市金凯澳自动化有限公司 | Wireless data management terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160803 Termination date: 20171023 |