CN205246745U - Electrified detecting instrument of portable arrester based on wireless synchronization technique - Google Patents
Electrified detecting instrument of portable arrester based on wireless synchronization technique Download PDFInfo
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- CN205246745U CN205246745U CN201521076702.4U CN201521076702U CN205246745U CN 205246745 U CN205246745 U CN 205246745U CN 201521076702 U CN201521076702 U CN 201521076702U CN 205246745 U CN205246745 U CN 205246745U
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
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- 229910052744 lithium Inorganic materials 0.000 claims description 4
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Abstract
Electrified detecting instrument of portable arrester based on wireless synchronization technique belongs to power equipment and detects technical field with electricity, especially relates to a electrified detecting instrument of portable arrester based on wireless synchronization technique. The utility model provides a measure electrified detecting instrument of portable arrester based on wireless synchronization technique accurate, the low power dissipation. The utility model discloses an electric current collection module and voltage collection module, its structural feature electric current collection module include current detection casing, power current power supply control panel, electric current battery electricity core, current sample resistance, electric current clamp, electric current cable, electric current plug, electric current filter circuit, electric current debugging interface, alternator indicator, current amplifier, electric current treatment ware, electric current radio communication chip, electric current antenna, power current power supply control panel, electric current battery electricity core, current sample resistance, electric current filter circuit, electric current debugging interface, alternator indicator, current amplifier, electric current treatment ware, electric current radio communication chip set up in the current detection casing.
Description
Technical field
The utility model belongs to charged electric power apparatus detection technique field, relates in particular to the charged detecting instrument of a kind of Portable arrester based on wireless synchronization technology.
Background technology
Metal oxide arrester (MOA) is the important protective device of avoiding overvoltage injury for the protection of the insulation of power transmission and transforming equipment. The safe operation of power system is had to important protective effect.
MOA can produce Leakage Current under running status, and Leakage Current is divided into capacitive, resistive Leakage Current, and wherein capacity current only distributes and exerts an influence the voltage of arrester, and resistive current component is directly related with the state of insulation of arrester. In the time that arrester normally moves, current in resistance property is conventionally less, but in the time of the abnormal conditions such as lightning arrester insulation is aging or make moist, resistive current component will obviously increase. Because current in resistance property causes lightning arrester body heating, so the increase meeting of current in resistance property further affects the operation of lightning arrester body, even body is caused to damage. So the detection of arrester resistance current is the emphasis of the safe operation of arrester.
Current, arrester band electro-detection is mainly contained to on-line monitoring technique and two kinds of modes of portable equipment regular visit. On-line monitoring can detect the state of arrester in real time, obtains data volume large, affected by weather etc. little, has obtained in recent years certain development. But from the image data of current the installed online equipment of arrester, the certainty of measurement of entirety is not high enough. Although portable detection equipment can not detect in real time, its precision is higher, simultaneously due to patrol officer at the scene, more favourable to determining of arrester duty, so use portable equipment to be absolutely necessary to the regular visit of arrester.
But, traditional portable arrester checks equipment all adopts cable to transmit signals to the mode of checkout equipment, due to the actual distribution of on-the-spot arrester, the factors such as the collection point distance of voltage signal, cause field connection complex, longer cable all brings impact in various degree to collection and the certainty of measurement of signal.
Summary of the invention
The utility model is exactly for the problems referred to above, and a kind of charged detecting instrument of the Portable arrester based on wireless synchronization technology accurate, low in energy consumption of measuring is provided.
For achieving the above object, the utility model adopts following technical scheme, the utility model comprises current acquisition module and voltage acquisition module, and its structural feature current acquisition module comprises current detecting housing, current and power supply control panel, galvanic cell battery core, current sampling resistor, electric current folder, current cable, current plug, current filtering circuit, electric current debugging interface, alternator indicator, current amplifier, current processor, wireless communication current chip, electric current antenna, current and power supply control panel, galvanic cell battery core, current sampling resistor, current filtering circuit, electric current debugging interface, alternator indicator, current amplifier, current processor, wireless communication current chip is arranged in current detecting housing, current plug and electric current antenna are arranged on current detecting housing, current plug is connected with electric current folder by current cable, current cable and electric current folder are arranged on outside current detecting housing, electric current folder, current cable, current plug be combined as two groups, two current plug are connected with current sampling resistor two ends respectively, one of them current plug is successively by current filtering circuit, current amplifier is connected with the signal input part of current processor, the power end of current processor is connected with the output of current and power supply control panel, the input of current and power supply control panel is connected with galvanic cell battery core, the signal output part of current processor is connected with electric current antenna by wireless communication current chip, and the control signal output of current processor is connected with alternator indicator, and the debugging end of current processor is connected with electric current debugging interface.
Voltage acquisition module comprises voltage detecting housing, voltage source control panel, voltage battery battery core, voltage sample resistance, voltage folder, voltage cables, voltage plug, voltage filter circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier, voltage processor, voltage wireless communication chips, voltage antenna, voltage source control panel, voltage battery battery core, voltage sample resistance, voltage filter circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier, voltage processor, voltage wireless communication chips is arranged in voltage detecting housing, voltage plug and voltage antenna are arranged on voltage detecting housing, voltage plug is connected with voltage folder by voltage cables, voltage cables and voltage folder are arranged on outside voltage detecting housing, voltage folder, voltage cables, voltage plug be combined as two groups, two voltage plugs are connected with voltage sample resistance two ends respectively, voltage sample resistance is made up of the resistance of two series connection, the link of the resistance of two series connection is successively by voltage filter circuit, voltage amplifier is connected with the signal input part of voltage processor, the power end of voltage processor is connected with the output of voltage source control panel, the input of voltage source control panel is connected with voltage battery battery core, the signal output part of voltage processor is connected with voltage antenna by voltage wireless communication chips, and the control signal output of voltage processor is connected with voltage indicator lamp, and the debugging end of voltage processor is connected with voltage debugging interface.
As a kind of preferred version, electric current folder described in the utility model and voltage folder all adopt crocodile clip.
As another kind of preferred version, current plug described in the utility model and voltage plug all adopt aviation plug.
As another kind of preferred version, galvanic cell battery core described in the utility model and voltage battery battery core all adopt lithium battery electric core.
As another kind of preferred version, electric current debugging interface described in the utility model and voltage debugging interface all adopt JTAG debugging interface.
Secondly, electric current antenna described in the utility model and voltage antenna all adopt zigbee antenna.
In addition, current acquisition module described in the utility model is three, and voltage acquisition module is one.
The utility model beneficial effect.
The utility model solves complicated operation, measuring process and precision that existing arrester checks equipment exists and is easily subject to that wiring operating influence, equipment volume are excessive is awkward and adopts mutual inductance type equipment computational accuracy to be subject to temperature, problem that humidity effect is larger.
The utility model current signal collection module adopts resistance sampling, voltage signal acquisition module to adopt the mode of electric resistance partial pressure sampling, and between sampled signal and original signal, without phase difference, and temperature influence not, without dynamic correction; So certainty of measurement is subject to temperature, humidity effect less.
The utility model adopts wireless synchronization collection, and execute-in-place is convenient for measuring result, and affected by cable little.
The utility model wireless communication chips shares a processor with other external chips, and Overall Power Consumption is low.
The utility model amplifier can calculate signal amplitude by processor, and then adjusts amplifier gain.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described further. The utility model protection domain is not only confined to the statement of following content.
Fig. 1 is the connection block diagram of current acquisition module in the utility model.
Fig. 2 is the connection block diagram of voltage acquisition module of the present utility model.
In figure, 1 for electric current folder, 2 be current cable, 3 for current plug, 4 for electric current antenna, 5 for current sampling resistor, 6 for voltage folder, 7 for voltage cables, 8 for voltage plug, 9 be that voltage antenna, 10 is voltage sample resistance.
Detailed description of the invention
As shown in the figure, the utility model comprises current acquisition module and voltage acquisition module, and current acquisition module comprises current detecting housing, current and power supply control panel, galvanic cell battery core, current sampling resistor, electric current folder, current cable, current plug, current filtering circuit, electric current debugging interface, alternator indicator, current amplifier, current processor, wireless communication current chip, electric current antenna, current and power supply control panel, galvanic cell battery core, current sampling resistor, current filtering circuit, electric current debugging interface, alternator indicator, current amplifier, current processor, wireless communication current chip is arranged in current detecting housing, current plug and electric current antenna are arranged on current detecting housing, current plug is connected with electric current folder by current cable, current cable and electric current folder are arranged on outside current detecting housing, electric current folder, current cable, current plug be combined as two groups, two current plug are connected with current sampling resistor two ends respectively, one of them current plug is successively by current filtering circuit, current amplifier is connected with the signal input part of current processor, the power end of current processor is connected with the output of current and power supply control panel, the input of current and power supply control panel is connected with galvanic cell battery core, the signal output part of current processor is connected with electric current antenna by wireless communication current chip, and the control signal output of current processor is connected with alternator indicator, and the debugging end of current processor is connected with electric current debugging interface.
Voltage acquisition module comprises voltage detecting housing, voltage source control panel, voltage battery battery core, voltage sample resistance, voltage folder, voltage cables, voltage plug, voltage filter circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier, voltage processor, voltage wireless communication chips, voltage antenna, voltage source control panel, voltage battery battery core, voltage sample resistance, voltage filter circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier, voltage processor, voltage wireless communication chips is arranged in voltage detecting housing, voltage plug and voltage antenna are arranged on voltage detecting housing, voltage plug is connected with voltage folder by voltage cables, voltage cables and voltage folder are arranged on outside voltage detecting housing, voltage folder, voltage cables, voltage plug be combined as two groups, two voltage plugs are connected with voltage sample resistance two ends respectively, voltage sample resistance is made up of the resistance of two series connection, the link of the resistance of two series connection is successively by voltage filter circuit, voltage amplifier is connected with the signal input part of voltage processor, the power end of voltage processor is connected with the output of voltage source control panel, the input of voltage source control panel is connected with voltage battery battery core, the signal output part of voltage processor is connected with voltage antenna by voltage wireless communication chips, and the control signal output of voltage processor is connected with voltage indicator lamp, and the debugging end of voltage processor is connected with voltage debugging interface.
Battery battery core is system power supply by power board, and power board is controlled and protection for lithium battery electric core provides charging. Leakage current of an arrester signal is converted to voltage signal by current sampling resistor, voltage signal after conversion reaches amplifier signal and enters end after filter circuit, and processor internal composition protocol stack, is connected with wireless communication chips, wireless communication chips is connected with antenna, and antenna is fixed on housing. Indicator lamp is for display system state. JTAG debug port is for the treatment of procedure simulation and the download of device.
Voltage sample resistance is by PT voltage signal proportion divider, and the voltage signal after dividing potential drop reaches amplifier signal and enters end after filtering.
Described electric current folder and voltage folder all adopt crocodile clip.
Described current plug and voltage plug all adopt aviation plug. Aviation plug female is fixed on housing, and male can plug. The aviation plug interface of current acquisition module and voltage acquisition module both can be used as signal output channels and also can be used for charging, only needed to change the aviation plug cable of response.
Described galvanic cell battery core and voltage battery battery core all adopt lithium battery electric core.
Described electric current debugging interface and voltage debugging interface all adopt JTAG debugging interface.
Described electric current antenna and voltage antenna all adopt zigbee antenna.
Described current acquisition module is three, and voltage acquisition module is one. Each acquisition module can be sent to receiving terminal by data by wireless mode. Three current acquisition modules are used crocodile clip to be connected to respectively between the end shield and ground of A phase, B phase, C phase arrester, and voltage acquisition module is connected to any phase in A phase PT, B phase PT, C phase PT.
Be understandable that, above about specific descriptions of the present utility model, only for being described, the utility model is not limited to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can modify or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as meet, all within protection domain of the present utility model.
Claims (7)
1. the charged detecting instrument of the Portable arrester based on wireless synchronization technology, comprise current acquisition module and voltage acquisition module, it is characterized in that current acquisition module comprises current detecting housing, current and power supply control panel, galvanic cell battery core, current sampling resistor, electric current folder, current cable, current plug, current filtering circuit, electric current debugging interface, alternator indicator, current amplifier, current processor, wireless communication current chip, electric current antenna, current and power supply control panel, galvanic cell battery core, current sampling resistor, current filtering circuit, electric current debugging interface, alternator indicator, current amplifier, current processor, wireless communication current chip is arranged in current detecting housing, current plug and electric current antenna are arranged on current detecting housing, current plug is connected with electric current folder by current cable, current cable and electric current folder are arranged on outside current detecting housing, electric current folder, current cable, current plug be combined as two groups, two current plug are connected with current sampling resistor two ends respectively, one of them current plug is successively by current filtering circuit, current amplifier is connected with the signal input part of current processor, the power end of current processor is connected with the output of current and power supply control panel, the input of current and power supply control panel is connected with galvanic cell battery core, the signal output part of current processor is connected with electric current antenna by wireless communication current chip, and the control signal output of current processor is connected with alternator indicator, and the debugging end of current processor is connected with electric current debugging interface,
Voltage acquisition module comprises voltage detecting housing, voltage source control panel, voltage battery battery core, voltage sample resistance, voltage folder, voltage cables, voltage plug, voltage filter circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier, voltage processor, voltage wireless communication chips, voltage antenna, voltage source control panel, voltage battery battery core, voltage sample resistance, voltage filter circuit, voltage debugging interface, voltage indicator lamp, voltage amplifier, voltage processor, voltage wireless communication chips is arranged in voltage detecting housing, voltage plug and voltage antenna are arranged on voltage detecting housing, voltage plug is connected with voltage folder by voltage cables, voltage cables and voltage folder are arranged on outside voltage detecting housing, voltage folder, voltage cables, voltage plug be combined as two groups, two voltage plugs are connected with voltage sample resistance two ends respectively, voltage sample resistance is made up of the resistance of two series connection, the link of the resistance of two series connection is successively by voltage filter circuit, voltage amplifier is connected with the signal input part of voltage processor, the power end of voltage processor is connected with the output of voltage source control panel, the input of voltage source control panel is connected with voltage battery battery core, the signal output part of voltage processor is connected with voltage antenna by voltage wireless communication chips, and the control signal output of voltage processor is connected with voltage indicator lamp, and the debugging end of voltage processor is connected with voltage debugging interface.
2. the charged detecting instrument of the Portable arrester based on wireless synchronization technology according to claim 1, is characterized in that described electric current folder and voltage press from both sides all to adopt crocodile clip.
3. the charged detecting instrument of the Portable arrester based on wireless synchronization technology according to claim 1, is characterized in that described current plug and voltage plug all adopt aviation plug.
4. the charged detecting instrument of the Portable arrester based on wireless synchronization technology according to claim 1, is characterized in that described galvanic cell battery core and voltage battery battery core all adopt lithium battery electric core.
5. the charged detecting instrument of the Portable arrester based on wireless synchronization technology according to claim 1, is characterized in that described electric current debugging interface and voltage debugging interface all adopt JTAG debugging interface.
6. the charged detecting instrument of the Portable arrester based on wireless synchronization technology according to claim 1, is characterized in that described electric current antenna and voltage antenna all adopt zigbee antenna.
7. the charged detecting instrument of the Portable arrester based on wireless synchronization technology according to claim 1, is characterized in that described current acquisition module is three, and voltage acquisition module is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521076702.4U CN205246745U (en) | 2015-12-22 | 2015-12-22 | Electrified detecting instrument of portable arrester based on wireless synchronization technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521076702.4U CN205246745U (en) | 2015-12-22 | 2015-12-22 | Electrified detecting instrument of portable arrester based on wireless synchronization technique |
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| CN205246745U true CN205246745U (en) | 2016-05-18 |
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| CN201521076702.4U Active CN205246745U (en) | 2015-12-22 | 2015-12-22 | Electrified detecting instrument of portable arrester based on wireless synchronization technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908646A (en) * | 2015-12-22 | 2017-06-30 | 国网辽宁省电力有限公司沈阳供电公司 | Portable arrester live detection instrument based on wireless synchronization technology |
-
2015
- 2015-12-22 CN CN201521076702.4U patent/CN205246745U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908646A (en) * | 2015-12-22 | 2017-06-30 | 国网辽宁省电力有限公司沈阳供电公司 | Portable arrester live detection instrument based on wireless synchronization technology |
| CN106908646B (en) * | 2015-12-22 | 2018-11-02 | 国网辽宁省电力有限公司沈阳供电公司 | Portable arrester live detection instrument based on wireless synchronization technology |
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