CN205355911U - From three -phase kilowatt -hour meter case of taking uninterrupted power source - Google Patents
From three -phase kilowatt -hour meter case of taking uninterrupted power source Download PDFInfo
- Publication number
- CN205355911U CN205355911U CN201620073218.4U CN201620073218U CN205355911U CN 205355911 U CN205355911 U CN 205355911U CN 201620073218 U CN201620073218 U CN 201620073218U CN 205355911 U CN205355911 U CN 205355911U
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- Prior art keywords
- relay
- miniature transformer
- inverter
- phase
- voltage
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- 238000002955 isolation Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 6
- 238000003973 irrigation Methods 0.000 abstract description 10
- 230000002262 irrigation Effects 0.000 abstract description 10
- 229940052961 Longrange Drugs 0.000 abstract 3
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000011030 bottleneck Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
Abstract
The utility model provides a from three -phase kilowatt -hour meter case of taking uninterrupted power source, belongs to agricultural irrigation power supply unit technical field for supply power when providing multiple voltage and guaranteeing the outage. Its technical scheme is: the primary of miniature transformer is connected through isolator, and the secondary coil of miniature transformer is connected with the relay, and the relay is connected with long -range wireless meter reading and dc -to -ac converter respectively, and the dc -to -ac converter is connected with battery and emitting diode respectively. The utility model discloses a miniature transformer can be with providing 220V voltage for long -range wireless meter reading to can be for storage battery charging, cause that the battery can provide electric power when having a power failure taking place line fault, guarantee that long -range wireless meter reading normally works, battery and emitting diode can throw light on for the ammeter case provides night when the power failure logical OR circuit breaks down, make things convenient for night observation and maintenance work. The utility model discloses simple structure, convenient to use are the update and upgrade products of the current ammeter case of agricultural irrigation system, have the value of using widely.
Description
Technical field
This utility model relates to a kind of ammeter box providing for agricultural irrigation and ensureing power supply when multiple voltage and line fault, belongs to agricultural irrigation power supply unit technical field.
Background technology
Agricultural irrigation systems uses ammeter box in a large number, along with telecommunication technique develops rapidly, power supply department is also accelerating Wireless centralized meter reading and the popularization of remote failure monitoring, but remote wireless centralization meter-reading device running voltage is 220v, the power supply used for agricultural irrigation systems is all the 380v voltage of phase three-wire three, not having 220v voltage, voltage cannot mate remote concentrated ammeter reading device to be installed and used.Additionally, other disadvantage is that of currently used ammeter box does not have self-powered in ammeter box, once after occurring line fault to cause power failure, it does not have power supply supply remote wireless meter recording device, therefore power supply department cannot grasp rapidly the failure condition of production line, has a strong impact on the speed of maintenance；Meanwhile, if tripping suddenly or have a power failure evening, owing to ammeter box not having power supply, as dark as a stack of black cats inside ammeter box, it is unfavorable for observing the inside situation and maintenance.There is disadvantages described above in the traditional ammeter box used in view of current agricultural irrigation systems, becomes the bottleneck greatly developing agricultural irrigation production Wireless centralized meter reading and remote failure monitoring, it is quite necessary to improved.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of three-phase electricity meter box carrying uninterrupted power source, this ammeter box can provide the 220V voltage needed for remote wireless meter recording device, and power supply supply remote wireless meter recording device can be provided after occurring line fault to cause power failure to be operated, and solve the lighting problem in ammeter box at night.
The technical scheme solving above-mentioned technical problem is:
A kind of three-phase electricity meter box carrying uninterrupted power source, it includes casing, isolation switch, miniature transformer, relay, inverter, accumulator, light emitting diode, remote wireless meter recording device, three-phase kilowatt-hour meter, leakage switch, the end of incoming cables of isolation switch is connected with outside 380V power supply, two phase lines of the leading-out terminal of isolation switch are connected with the primary coil of miniature transformer, the secondary coil of miniature transformer is connected with relay, relay is connected with remote wireless meter recording device and inverter respectively by two normally open contacts, miniature transformer output 220V voltage, 220V voltage is provided for remote wireless meter recording device and inverter, inverter is connected with accumulator and light emitting diode respectively, three phase lines of the leading-out terminal of isolation switch are connected with three-phase kilowatt-hour meter, three-phase kilowatt-hour meter is connected with leakage switch.
The above-mentioned three-phase electricity meter box carrying uninterrupted power source, piece pole of a wire connecting luminous diode of one group of 36v output voltage of described inverter, another root pole of connecting luminous diode again after another one group of normally opened contact of root wired in series relay of 36v output voltage.
The beneficial effects of the utility model are:
Miniature transformer of the present utility model output 220V voltage, 220V voltage is provided for remote wireless meter recording device and inverter, and can charge for accumulator, when occurring line fault to cause power failure, accumulator can provide electric power, ensure remote wireless meter recording device normal operation, accumulator and light emitting diode can provide night illumination when power failure or line failure for ammeter box, facilitate night observation and maintenance work.This utility model simple in construction, easy to use, the 380V ammeter box solving agricultural irrigation systems use is not provided that the 220V power supply problem for the work of remote wireless meter recording device, and after ammeter box generation line fault causes power failure can for remote wireless meter recording device and ammeter box in night illumination required power supply is provided, it is the upgraded product of the existing ammeter box of agricultural irrigation systems, has the value promoted the use of.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure, labelling is as follows: isolation switch 1, miniature transformer 2, relay 3, inverter 4, accumulator 5, light emitting diode 6, remote wireless meter recording device 7, three-phase kilowatt-hour meter 8, leakage switch 9, casing 10.
Detailed description of the invention
This utility model is made up of casing 10, isolation switch 1, miniature transformer 2, relay 3, inverter 4, accumulator 5, light emitting diode 6, remote wireless meter recording device 7, three-phase kilowatt-hour meter 8, leakage switch 9.
Showing in figure, isolation switch 1, miniature transformer 2, relay 3, inverter 4, accumulator 5, light emitting diode 6, remote wireless meter recording device 7, three-phase kilowatt-hour meter 8, leakage switch 9 are arranged in casing 10.
Figure shows, the end of incoming cables of isolation switch 1 is connected with outside 380V power supply, two phase lines of the leading-out terminal of isolation switch 1 are connected with the primary coil of miniature transformer 2, the secondary coil output 220V voltage of miniature transformer 2, power for remote wireless meter recording device 7 and inverter 4.
Figure shows, the secondary coil of miniature transformer 2 is connected with relay 3, relay 3 is connected with remote wireless meter recording device 7 and inverter 4 respectively by two normally open contacts, inverter 4 is connected with accumulator 5, when ammeter box circuit normal operation, inverter 4 is that accumulator 5 is charged by 220V voltage.
Figure shows, a pole of a wire connecting luminous diode 6 of one group of 36v output voltage of inverter 4, another root pole of connecting luminous diode 6 again after another 3 one groups of normally opened contacts of root wired in series relay of 36v output voltage.
Showing in figure, three phase lines of the leading-out terminal of isolation switch 1 are connected with three-phase kilowatt-hour meter 8, and three-phase kilowatt-hour meter 8 is connected with leakage switch 9.
Work process of the present utility model is as follows:
When 380V main power source normally inputs ammeter box, passing through miniature transformer 2 and convert the voltage of 220v to, the voltage of 220v is supplied simultaneously to remote wireless meter recording device 7 and works and pass through inverter 4 and charge for accumulator 5 by relay 3.
When after main power source power-off, inverter 4 automatically converts 220V voltage to the low tension of accumulator 5 and works for remote wireless meter recording device 7, now relay 3 is in normally open, it is disconnected the connection of inverter 4 and main line, turn on automatically lights light emitting diode 6 simultaneously, it is illuminated for ammeter box, it is ensured that the observation at night and maintenance work.
After having a power failure, remote wireless meter recording device 7 normal operation, power department in time by gathering the rapid failure judgement point of abnormal data come up from remote wireless meter recording device 7, can carry out repairing work.
Claims (2)
1. the three-phase electricity meter box carrying uninterrupted power source, it is characterized in that: it includes casing (10), isolation switch (1), miniature transformer (2), relay (3), inverter (4), accumulator (5), light emitting diode (6), remote wireless meter recording device (7), three-phase kilowatt-hour meter (8), leakage switch (9), the end of incoming cables of isolation switch (1) is connected with outside 380V power supply, two phase lines of leading-out terminal of isolation switch (1) are connected with the primary coil of miniature transformer (2), the secondary coil of miniature transformer (2) is connected with relay (3), relay (3) is connected with remote wireless meter recording device (7) and inverter (4) respectively by two normally open contacts, miniature transformer (2) output 220V voltage, 220V voltage is provided for remote wireless meter recording device (7) and inverter (4), inverter (4) is connected with accumulator (5) and light emitting diode (6) respectively, three phase lines of the leading-out terminal of isolation switch (1) are connected with three-phase kilowatt-hour meter (8), three-phase kilowatt-hour meter (8) is connected with leakage switch (9).
2. the three-phase electricity meter box carrying uninterrupted power source according to claim 1, it is characterized in that: (6) poles of a wire connecting luminous diode of one group of 36v output voltage of described inverter (4), another root pole of connecting luminous diode (6) again after (3) one groups of normally opened contacts of another root wired in series relay of 36v output voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620073218.4U CN205355911U (en) | 2016-01-26 | 2016-01-26 | From three -phase kilowatt -hour meter case of taking uninterrupted power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620073218.4U CN205355911U (en) | 2016-01-26 | 2016-01-26 | From three -phase kilowatt -hour meter case of taking uninterrupted power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205355911U true CN205355911U (en) | 2016-06-29 |
Family
ID=56184192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620073218.4U Expired - Fee Related CN205355911U (en) | 2016-01-26 | 2016-01-26 | From three -phase kilowatt -hour meter case of taking uninterrupted power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205355911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111107159A (en) * | 2019-12-27 | 2020-05-05 | 广东电网有限责任公司 | Remote metering system |
-
2016
- 2016-01-26 CN CN201620073218.4U patent/CN205355911U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111107159A (en) * | 2019-12-27 | 2020-05-05 | 广东电网有限责任公司 | Remote metering system |
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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 |
Granted publication date: 20160629 Termination date: 20170126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |