CN205003270U - Wireless current transformer testing arrangement - Google Patents
Wireless current transformer testing arrangement Download PDFInfo
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- CN205003270U CN205003270U CN201520660996.9U CN201520660996U CN205003270U CN 205003270 U CN205003270 U CN 205003270U CN 201520660996 U CN201520660996 U CN 201520660996U CN 205003270 U CN205003270 U CN 205003270U
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- hummer
- oil
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- oil conservater
- high pressure
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Abstract
The utility model relates to a wireless current transformer testing arrangement, its technical scheme is: including inflation ware, oil meter, binding post, oil conservater, sleeve pipe, equipotential piece, fixing base, a high pressure once incline sensor, electric energy chip, voice alarm circuit, be equipped with the sleeve pipe on the fixing base, sheathed tube upper portion be equipped with the oil conservater, connect a terminal outgoing lines on the oil conservater, the upper portion of oil conservater is connected and is refueled with the inflation ware, the outside of oil conservater is equipped with the oil meter, terminal outgoing lines connects the high pressure sensor that once inclines, a terminal outgoing lines internal connection equipotential piece, high pressure once incline the sensor and connect electric energy chip, electric energy chip connects voice alarm circuit, the beneficial effects of the utility model are that: ask for electricity design need not any wiring, electronic type current sample has higher factor of safety and precision, totally enclosed structure, it is difficult by dust, oil stain pollution, it is small, can install with electricity, very big made things convenient for on -the -spot installation, wireless transmission, data security is high.
Description
Technical field
The utility model relates to a kind of current transformer testing device, particularly a kind of wireless current transformer proving installation.
Background technology
At present, in oil field and industrial and mining enterprises' electrical network, there is electric pressure is in a large number 10KV supply line, and the metering of this part circuit adopts High-voltage measuring box to carry out electrical energy metering mostly.Because high pressure measurement box structure is simple, often there is artificial destruction, change current transformer, thus the change accuracy of measuring, implement stealing, the electric energy loss phenomenon caused thus is more, and effective online supervision and investigation means are all lacked for the investigation of this type of event, cannot investigate and prosecute this type of user in time, the loss caused thus is larger.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, provides a kind of wireless current transformer proving installation, and automatic electricity getting designs, without the need to any wiring; Electronic current is sampled, and has higher safety coefficient and precision.
Its technical scheme is: comprise expander, oil meter, primary connection terminal, oil conservater, sleeve pipe, equipotential sheet, holder, high pressure primary side sensor, electric energy computation chip, audible alarm circuit, holder is provided with sleeve pipe, the top of described sleeve pipe is provided with oil conservater, oil conservater connects an outlet terminal, the top of oil conservater connects oiling expander, the outside of oil conservater is provided with oil meter, one time outlet terminal connects high pressure primary side sensor, one time outlet terminal inside connects equipotential sheet, high pressure primary side sensor connects electric energy computation chip, electric energy computation chip connects audible alarm circuit.
In described audible alarm circuit, series resistor R2, triode and hummer between the output terminal P2.0 mouth of C8051F930 single-chip microcomputer and power supply, when the P2.0 mouth of C8051F930 single-chip microcomputer exports high level, triode ON, passes through electric current in hummer; When the P2.0 mouth output low level of C8051F930 single-chip microcomputer, triode ends, no current in hummer; When the P2.0 mouth of C8051F930 single-chip microcomputer exports the square wave of 2K-5KHz, can buzzer call be encouraged, produce the audible ringing signal of different frequency.
Above-mentioned hummer two ends are 3V supply voltage, and the anode of hummer is directly connected with power supply, and the negative terminal of hummer connects NPN type triode, adopt C8051F930 single-chip microcomputer generation PWM square wave to realize the control of buzzer sound voice frequency.
The beneficial effects of the utility model are: automatic electricity getting designs, without the need to any wiring; Electronic current is sampled, and has higher safety coefficient and precision; Full-closed structure, not easily by dust, grunge pollution; Volume is little, chargedly can install, greatly facilitates in-site installation; Wireless transmission method, data security is high.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is structural representations of audible alarm circuit;
In upper figure: expander 1, oil meter 2, primary connection terminal 3, oil conservater 4, sleeve pipe 5, equipotential sheet 6, holder 7, high pressure primary side sensor 8, electric energy computation chip 9, audible alarm circuit 10, hummer 11.
Embodiment
1-2 by reference to the accompanying drawings, the utility model will be further described:
The utility model comprises expander 1, oil meter 2, primary connection terminal 3, oil conservater 4, sleeve pipe 5, equipotential sheet 6, holder 7, high pressure primary side sensor 8, electric energy computation chip 9, audible alarm circuit 10, holder 7 is provided with sleeve pipe 5, the top of described sleeve pipe 5 is provided with oil conservater 4, oil conservater 4 connects an outlet terminal 3, the top of oil conservater 4 connects oiling expander 1, the outside of oil conservater 4 is provided with oil meter 2, one time outlet terminal 3 connects high pressure primary side sensor 8, one time outlet terminal 3 inside connects equipotential sheet 6, high pressure primary side sensor 8 connects electric energy computation chip 9, electric energy computation chip 9 connects audible alarm circuit 10.
In above-mentioned audible alarm circuit 10, series resistor R2, triode and hummer 11 between the output terminal P2.0 mouth of C8051F930 single-chip microcomputer and power supply, when the P2.0 mouth of C8051F930 single-chip microcomputer exports high level, triode ON, passes through electric current in hummer 11; When the P2.0 mouth output low level of C8051F930 single-chip microcomputer, triode ends, no current in hummer 11; When the P2.0 mouth of C8051F930 single-chip microcomputer exports the square wave of 2K-5KHz, hummer 11 can be encouraged to pipe, produce the audible ringing signal of different frequency.
Above-mentioned hummer 11 two ends are 3V supply voltage, and the anode of hummer 11 is directly connected with power supply, and the negative terminal of hummer 11 connects NPN type triode, adopt C8051F930 single-chip microcomputer generation PWM square wave to realize the control of hummer 11 sound frequency.
Wireless current transformer proving installation adopts high pressure power taking technology, by supporting erecting tools can directly charged be arranged on 10kV high voltage cable or pole line on, electric energy computation chip circuit is placed in high-pressure side, adopt the monoblock type insulating Design that the sampling of high pressure primary side sensing is merged mutually with secondary measurement circuit, the high voltage side current achieving miniaturization is directly measured.
The above is only preferred embodiment of the present utility model, and any those of ordinary skill in the art all may utilize the technical scheme of above-mentioned elaboration to the utility model correct or are revised as equivalent technical scheme.Therefore, any simple modification of carrying out according to the technical solution of the utility model or substitute equivalents, belong to the greatest extent the scope that the utility model is claimed.
Claims (3)
1. a wireless current transformer proving installation, it is characterized in that: comprise expander (1), oil meter (2), primary connection terminal (3), oil conservater (4), sleeve pipe (5), equipotential sheet (6), holder (7), high pressure primary side sensor (8), electric energy computation chip (9), audible alarm circuit (10), holder (7) is provided with sleeve pipe (5), the top of described sleeve pipe (5) is provided with oil conservater (4), the upper connection outlet terminal (3) of oil conservater (4), the top of oil conservater (4) connects oiling with expander (1), the outside of oil conservater (4) is provided with oil meter (2), one time outlet terminal (3) connects high pressure primary side sensor (8), one time outlet terminal (3) inside connects equipotential sheet (6), high pressure primary side sensor (8) connects electric energy computation chip (9), electric energy computation chip (9) connects audible alarm circuit (10).
2. wireless current transformer proving installation according to claim 1, it is characterized in that: in described audible alarm circuit (10), series resistor R2, triode and hummer (11) between the output terminal P2.0 mouth of C8051F930 single-chip microcomputer and power supply, when the P2.0 mouth of C8051F930 single-chip microcomputer exports high level, triode ON, hummer passes through electric current in (11); When the P2.0 mouth output low level of C8051F930 single-chip microcomputer, triode ends, no current in hummer (11); When the P2.0 mouth of C8051F930 single-chip microcomputer exports the square wave of 2K-5KHz, hummer (11) can be encouraged to pipe, produce the audible ringing signal of different frequency.
3. wireless current transformer proving installation according to claim 2, it is characterized in that: described hummer (11) two ends are 3V supply voltage, the anode of hummer (11) is directly connected with power supply, the negative terminal of hummer (11) connects NPN type triode, adopts C8051F930 single-chip microcomputer generation PWM square wave to realize the control of hummer (11) sound frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520660996.9U CN205003270U (en) | 2015-08-28 | 2015-08-28 | Wireless current transformer testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520660996.9U CN205003270U (en) | 2015-08-28 | 2015-08-28 | Wireless current transformer testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205003270U true CN205003270U (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520660996.9U Active CN205003270U (en) | 2015-08-28 | 2015-08-28 | Wireless current transformer testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205003270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114813095A (en) * | 2022-06-29 | 2022-07-29 | 山东泰开互感器有限公司 | Mechanical life test device and method for metal expander for CVT |
-
2015
- 2015-08-28 CN CN201520660996.9U patent/CN205003270U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114813095A (en) * | 2022-06-29 | 2022-07-29 | 山东泰开互感器有限公司 | Mechanical life test device and method for metal expander for CVT |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |