CN217656477U - Self-induction electricity taking device for transformer bushing tap monitoring - Google Patents
Self-induction electricity taking device for transformer bushing tap monitoring Download PDFInfo
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- CN217656477U CN217656477U CN202221097098.3U CN202221097098U CN217656477U CN 217656477 U CN217656477 U CN 217656477U CN 202221097098 U CN202221097098 U CN 202221097098U CN 217656477 U CN217656477 U CN 217656477U
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Abstract
The utility model discloses a get electric installation from induction for monitoring of transformer bushing end screen relates to transformer technical field, include: the battery comprises a shell and a cover body, wherein the shell and the cover body form a closed cavity, a shielding bin, a battery bin and a power control bin are arranged in the closed cavity, a first induction coil and a second induction coil which are arranged up and down are arranged in the shielding bin, a rechargeable battery is arranged in the battery bin, and a power control module is arranged in the power control bin; a first wiring port, a second wiring port and a third wiring port are arranged on the side edge of the shell; the first wiring port is arranged on the shell of the first induction coil on the same straight line in the central axis, the outer side of the second wiring port is connected with the end screen grounding wire, and the inner side of the second wiring port penetrates through the shielding bin, the first induction coil and the second induction coil through the coaxial wire and is connected with the first wiring port. The utility model discloses an earth connection that the end screen was drawn forth carries out induction coil and gets the electricity, and the power supply mode is simple, and circuit structure is simple, and the practicality is good.
Description
Technical Field
The utility model relates to a transformer technical field, concretely relates to get electric installation from the response that is used for transformer bushing end screen to monitor.
Background
The transformer oil has the functions of insulation, heat dissipation, arc extinction and the like. In oil-immersed transformer's routine maintenance, need often to carry out the operation of getting oil sample to oil-immersed transformer to carry out multiple experiment to transformer oil, whether analysis transformer oil is qualified, whether each item index of detecting transformer oil is normal, this is the effective means that guarantees that the transformer can the safe operation.
The monitoring of transformer substation's sleeve pipe end screen is used for temperature, pressure, hydrogen content, partial discharge current, superfrequency current etc. generally adopting battery and solar energy power supply mode to monitoring devices's power supply and combining, but to the monitoring of hydrogen content through single hydrogen sensor, and the voltage that single hydrogen sensor needs is great, and general battery and solar energy power supply are not enough to support this single hydrogen sensor's power consumption, to frequently changing the battery, have also increased maintenance work.
Therefore, how to continuously provide the working voltage for the bushing tap of the transformer becomes a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the deficiencies in the prior art, the utility model provides a get electric installation from the response for monitoring of transformer bushing end screen need not change the battery, gets the electricity through the response and realizes the power supply.
The utility model provides a technical scheme does:
a get electric installation from induction for monitoring of transformer bushing end screen includes:
the battery comprises a shell and a cover body, wherein the shell and the cover body form a closed cavity, a shielding bin, a battery bin and a power supply control bin are arranged in the closed cavity, a first induction coil and a second induction coil which are arranged up and down are arranged in the shielding bin, a rechargeable battery is arranged in the battery bin, and a power supply control module is arranged in the power supply control bin;
a first wiring port, a second wiring port and a third wiring port are arranged on the side edge of the shell; the first wiring port is arranged on the shell with the central axis of the first induction coil on the same straight line, the outer side of the second wiring port is connected with the end screen grounding wire, and the inner side of the second wiring port penetrates through the shielding bin, the first induction coil and the second induction coil through the coaxial line and is connected with the first wiring port;
the output end of the first induction coil is connected with the power supply control module, the output end of the second induction coil is used for being connected with the dielectric loss sensor, the power supply control module is connected with the rechargeable battery, and the output end of the power supply control module is connected with the third wiring port.
As a further technical scheme of the utility model do, power control module includes test switch, rectifier circuit, voltage stabilizing circuit, filter circuit, DC-DC converting circuit, test switch connects in parallel at rectifier circuit's input, voltage stabilizing circuit is connected to rectifier circuit's output, filter circuit is connected to voltage stabilizing circuit's output, DC-DC converting circuit is connected to filter circuit's output.
As a further technical scheme of the utility model does, test switch is the vacuum circuit breaker of Sip-hv-1a-d model, rectifier circuit adopts the rectifier bridge of DB207S model, DC-DC converting circuit adopts the model to be PV15-27BxxR 3' S super wide voltage input DC/DC power module.
As a further technical scheme of the utility model do, power control module still includes charge and discharge management circuit, rechargeable battery is connected to charge and discharge management circuit's output.
As the utility model discloses a further technical scheme does, charge and discharge management circuit adopts the lithium battery charging management chip of CN3795 model.
As a further technical scheme of the utility model do, first wiring port is two cores and aerifys the interface, and second wiring port is four cores and aerifys the interface, and third wiring port is four cores and aerifys the interface.
As a further technical scheme of the utility model do, set up the installation screw on the shell, set up the mounting hole on the lid, the lid passes through bolt fixed connection with the shell.
As a further technical scheme of the utility model does, set up the sealing washer between shell and the lid.
The utility model has the advantages that:
1. the utility model discloses a setting up the self-induction and getting the electric installation, need not dispose the power supply in addition, the earth connection of drawing forth through the end screen carries out induction coil and gets the electricity, for transformer bushing end screen monitoring devices power supply, the power supply mode is simple, realizes the electric energy storage of getting the electricity to the coil induction through setting up rechargeable battery, changes the electric energy of getting the electricity to the coil induction through power control module to provide required electric current of monitoring devices and magnitude of voltage.
2. In the embodiment of the utility model provides an in, shell and lid constitute confined cavity, provide the installation environment for rechargeable battery, power control module and induction coil.
3. The shell is internally provided with a shielding bin for installing an induction coil, the shielding bin is separated from the battery bin and the power control bin, the induction coil comprises a second induction coil used for monitoring dielectric loss signals of a tail screen grounding wire and a second induction coil used for taking power, the tail screen is led out, the grounding wire penetrates into the shielding bin from a first wiring port and then is led out from a second wiring port, the output end of the first induction coil is connected with the power control module, and power conversion is performed and the power control module is stored in a rechargeable battery.
4. The power taking process and the monitoring process are separately arranged, so that the power taking control is carried out by arranging the test switch, the boosting circuit is controlled, large-voltage equipment of the monitoring device is converted into available voltage through the boosting circuit, the circuit structure is simple, and the practicability is good.
Drawings
Fig. 1 is a structural diagram of a self-induction power-taking device for transformer bushing end screen monitoring provided by the utility model;
fig. 2 is a front view of the self-induction electricity-taking device for monitoring the transformer bushing tap screen provided by the utility model;
fig. 3 is a cross-sectional view of a self-induction electricity-taking device B-B for transformer bushing tap monitoring according to the present invention;
fig. 4 is a C-C sectional view of a self-induction electricity-taking device for transformer bushing end screen monitoring provided by the present invention;
fig. 5 is a circuit block diagram of a power control module provided by the present invention;
fig. 6 is a circuit diagram of a power control module according to the present invention;
fig. 7 is a circuit diagram of a DC-DC converter according to the present invention;
fig. 8 is a circuit diagram of the charge and discharge management circuit according to the present invention;
shown in the figure:
100-shell, 200-cover, 300-first induction coil, 400-second induction coil, 500-rechargeable battery, 600-power control module;
101-shielding bin, 102-battery bin, 103-power control bin, 104-first wiring port, 105-second wiring port, 106-third wiring port, 107-installation screw hole;
201-mounting holes;
601-test switch, 602-rectifying circuit, 603-voltage stabilizing circuit, 604-filter circuit, 605-DC-DC conversion circuit and 606-charge and discharge management circuit.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 and 4, a self-induction electricity-taking device for monitoring transformer bushing tap comprises:
the battery comprises a shell 100 and a cover body 200, wherein the shell 100 and the cover body 200 form a closed cavity, a shielding bin 101, a battery bin 102 and a power control bin 103 are arranged in the closed cavity, a first induction coil 300 and a second induction coil 400 which are vertically arranged are arranged in the shielding bin 101, a rechargeable battery 500 is arranged in the battery bin 102, and a power control module 600 is arranged in the power control bin 103;
a first wiring port 104, a second wiring port 105 and a third wiring port 106 are arranged on the side of the shell 100; the first wiring port 104 is arranged on the shell 100 with the central axis of the first induction coil 300 in the same straight line, the outer side of the second wiring port 105 is connected with a tail screen grounding wire, and the inner side of the second wiring port 105 passes through the shielding bin 101, the first induction coil 300 and the second induction coil 400 through a coaxial wire and is connected with the first wiring port 104;
the output end of the first induction coil 300 is connected with the power control module 600, the output end of the second induction coil 400 is used for connecting the dielectric loss sensor, the power control module 600 is connected with the rechargeable battery 500, and the output end of the power control module 600 is connected with the third wiring port 106.
The embodiment of the utility model provides an in, get the electric installation through setting up the self-induction, need not dispose the power supply in addition, the earth connection of drawing forth through the end screen carries out induction coil and gets the electricity, for transformer bushing end screen monitoring devices power supply, the power supply mode is simple, realizes the electric energy storage of getting the electricity to the coil induction through setting up rechargeable battery, changes the electric energy of getting the electricity to the coil induction through power control module to provide required electric current and the magnitude of voltage of monitoring devices, the embodiment of the utility model provides an in, shell and lid constitute confined cavity, for rechargeable battery, power control module and induction coil provide the installation environment, can fix on the sleeve pipe through the shell, accessible construction bolt or ring flange are fixed, and concrete mounting structure is accurate with the site operation design.
The shell is internally provided with a shielding bin for installing an induction coil, the shielding bin is separated from the battery bin and the power control bin, the induction coil comprises a second induction coil used for monitoring dielectric loss signals of a tail screen grounding wire and a second induction coil used for taking power, the tail screen is led out, the grounding wire penetrates into the shielding bin from a first wiring port and then is led out from a second wiring port, the output end of the first induction coil is connected with the power control module, and power conversion is performed and the power control module is stored in a rechargeable battery.
Referring to fig. 5 to fig. 8, in the embodiment of the present invention, the power control module 600 includes a test switch 601, a rectifier circuit 602, a voltage stabilizing circuit 603, a filter circuit 604, and a DC-DC converting circuit 605, the test switch 601 is connected to the input end of the rectifier circuit 602 in parallel, the output end of the rectifier circuit 602 is connected to the voltage stabilizing circuit 603, the output end of the voltage stabilizing circuit 603 is connected to the filter circuit 604, and the output end of the filter circuit 604 is connected to the DC-DC converting circuit 605.
At specific monitoring process, get electric process and monitoring process and separately set up, consequently get electric control through setting up test switch, when needs are monitored, control test switch is closed, gets the electric circuit part by the short circuit this moment, gets the electric circuit and is out of work, does not need monitoring time, control test switch disconnection, carries out the coil induction and gets the electricity this moment to boost circuit control, for monitoring devices's large voltage equipment passes through boost circuit and converts available voltage into, circuit structure is simple, and the practicality is good.
The test switch 601 is a Sip-hv-1a-d type vacuum circuit breaker, the rectifying circuit 602 adopts a DB207S type rectifier bridge, and the DC-DC conversion circuit 605 adopts a PV15-27BxxR3 type ultra-wide voltage input DC/DC power supply module.
The power control module 600 further includes a charge and discharge management circuit 606, and an output terminal of the charge and discharge management circuit 606 is connected to the rechargeable battery 500. The charging and discharging management circuit 606 is a CN3795 model lithium battery charging management chip. The rechargeable battery adopts a rechargeable lithium battery.
The embodiment of the utility model provides an in, first wiring port 104 is two cores and inserts the interface by plane, and second wiring port 105 is four cores and inserts the interface by plane, and third wiring port 106 is four cores and inserts the interface by plane, and mounting structure is simple, and the leakproofness is good.
In the embodiment of the present invention, the housing 100 is provided with the mounting screw hole 107, the cover 200 is provided with the mounting hole 201, and the cover 200 is fixedly connected to the housing 100 through the bolt. In order to ensure the sealing property, a sealing ring is provided between the case 100 and the lid 200.
The present invention has been described in detail, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art. Many other changes and modifications may be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.
Claims (8)
1. A get electric installation from induction for monitoring of transformer bushing end screen, its characterized in that includes:
the battery comprises a shell and a cover body, wherein the shell and the cover body form a closed cavity, a shielding bin, a battery bin and a power supply control bin are arranged in the closed cavity, a first induction coil and a second induction coil which are arranged up and down are arranged in the shielding bin, a rechargeable battery is arranged in the battery bin, and a power supply control module is arranged in the power supply control bin;
a first wiring port, a second wiring port and a third wiring port are arranged on the side edge of the shell; the first wiring port is arranged on the shell with the central axis of the first induction coil in the same straight line, the outer side of the second wiring port is connected with the end screen grounding wire, and the inner side of the second wiring port penetrates through the shielding bin, the first induction coil and the second induction coil through the coaxial line and is connected with the first wiring port;
the output end of the first induction coil is connected with the power supply control module, the output end of the second induction coil is used for being connected with the dielectric loss sensor, the power supply control module is connected with the rechargeable battery, and the output end of the power supply control module is connected with the third wiring port.
2. The self-induction power taking device for transformer bushing tap monitoring as claimed in claim 1, wherein the power control module comprises a test switch, a rectifying circuit, a voltage stabilizing circuit, a filter circuit and a DC-DC converting circuit, the test switch is connected in parallel with an input end of the rectifying circuit, an output end of the rectifying circuit is connected with the voltage stabilizing circuit, an output end of the voltage stabilizing circuit is connected with the filter circuit, and an output end of the filter circuit is connected with the DC-DC converting circuit.
3. The self-induction electricity taking device for transformer bushing tap monitoring of claim 2, wherein the test switch is a Sip-hv-1a-d type vacuum circuit breaker, the rectifier circuit adopts a DB207S type rectifier bridge, and the DC-DC conversion circuit adopts an ultra-wide voltage input DC/DC power module of PV15-27BxxR3 type.
4. The self-induction power taking device for transformer bushing tap monitoring according to claim 1, wherein the power control module further comprises a charge and discharge management circuit, and an output end of the charge and discharge management circuit is connected with a rechargeable battery.
5. The self-induction electricity taking device for transformer bushing tap monitoring according to claim 4, wherein the charge and discharge management circuit is a CN3795 type lithium battery charge management chip.
6. The self-induction electricity taking device for transformer bushing tap monitoring of claim 1, wherein the first wiring port is a two-core aerial socket interface, the second wiring port is a four-core aerial socket interface, and the third wiring port is a four-core aerial socket interface.
7. The self-induction electricity taking device for monitoring the tap screen of the transformer bushing according to claim 1, wherein the housing is provided with mounting screw holes, the cover body is provided with mounting holes, and the cover body is fixedly connected with the housing through bolts.
8. The self-induction electricity taking device for transformer bushing tap monitoring according to claim 1, wherein a sealing ring is arranged between the shell and the cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221097098.3U CN217656477U (en) | 2022-05-07 | 2022-05-07 | Self-induction electricity taking device for transformer bushing tap monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221097098.3U CN217656477U (en) | 2022-05-07 | 2022-05-07 | Self-induction electricity taking device for transformer bushing tap monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217656477U true CN217656477U (en) | 2022-10-25 |
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ID=83664181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221097098.3U Active CN217656477U (en) | 2022-05-07 | 2022-05-07 | Self-induction electricity taking device for transformer bushing tap monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217656477U (en) |
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2022
- 2022-05-07 CN CN202221097098.3U patent/CN217656477U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230823 Address after: 830011 No. 200 Hengda street, Urumqi high tech Industrial Development Zone (new urban area), Xinjiang Uygur Autonomous Region Patentee after: STATE GRID XINJIANG ELECTRIC POWER CO., LTD., ELECTRIC POWER Research Institute Patentee after: XI'AN XD HIGH VOLIAGE BUSHING CO.,LTD. Patentee after: STATE GRID XINJIANG ELECTRIC POWER Co.,Ltd. Address before: 830011 No. 200 Hengda street, Urumqi high tech Industrial Development Zone (new urban area), Xinjiang Uygur Autonomous Region Patentee before: STATE GRID XINJIANG ELECTRIC POWER CO., LTD., ELECTRIC POWER Research Institute Patentee before: STATE GRID XINJIANG ELECTRIC POWER Co.,Ltd. Patentee before: XI'AN YACAN ELECTRIC Co.,Ltd. Patentee before: XI'AN XD HIGH VOLIAGE BUSHING CO.,LTD. |
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| TR01 | Transfer of patent right |