CN202948053U - Voltage acquisition device of single storage battery of transformer station - Google Patents
Voltage acquisition device of single storage battery of transformer station Download PDFInfo
- Publication number
- CN202948053U CN202948053U CN 201220675216 CN201220675216U CN202948053U CN 202948053 U CN202948053 U CN 202948053U CN 201220675216 CN201220675216 CN 201220675216 CN 201220675216 U CN201220675216 U CN 201220675216U CN 202948053 U CN202948053 U CN 202948053U
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- storage battery
- acquisition device
- converter
- transformer station
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- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000005693 optoelectronics Effects 0.000 abstract 1
- 238000004088 simulation Methods 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Abstract
The utility model discloses a voltage acquisition device of a single storage battery of a transformer station. The acquisition device is formed by connecting an input interface (1), a converter (2), an encoder (3), and an output interface (4), which are arranged inside a shell. MOS switch tubes (7), a zero point correction chip (8), a measuring range correction chip (9), an amplifier (10), and an A/D transition chip (11) are connected according to a circuit mode to form the converter. An optoelectronic isolator (12) and a one-chip microcomputer coding chip (13) are connected according to a circuit mode to form the encoder. According to the utility model, the voltage acquisition device is utilized to take a single battery voltage simulation signal from the storage battery and transmit a measured value to a discharge apparatus to share, thereby reducing the acquisition time for the single storage battery, increasing the acquisition accuracy, and avoiding potential safety hazards.
Description
Technical field
The utility model relates to collector, is specifically related to a kind of transformer station single-unit battery tension collector.
Background technology
Battery pack is the energy source in the transforming plant DC power-supply system, usually will be connected in series dozens or even hundreds of cell, just can provide consumer required voltage.Whether the normal operation of battery pack directly affects the safety of Systems balanth and electrical network.In order to guarantee that it can work reliably, must regularly discharge and recharge.And be the necessary condition that electric discharge device starts with the single-unit voltage acquisition to electric discharge device.Present accumulator cell charging and discharging, be equipped with single battery voltage sample interface, but all need to have connected one by one in order the collection line on the accumulator of operation, existed the problems such as inefficiency and image data be inaccurate, what is more important exists potential safety hazard, affects the safe reliability of electrical network.
Summary of the invention
The purpose of this utility model is: a kind of transformer station single-unit battery tension collector is provided, reduces single-unit accumulator acquisition time, improve the collection accuracy rate, evade potential safety hazard.
Technical solution of the present utility model is: this collector is connected to form by the input interface in housing, converter, scrambler and output interface; Described converter comprises MOS switching tube, zero correction chip, span calibration chip, amplifier and A/D conversion chip, and MOS switching tube, zero correction chip, span calibration chip, amplifier and A/D conversion chip connect and compose converter according to circuit mode; Described scrambler comprises photoisolator, single-chip microcomputer coding chip, and photoisolator, single-chip microcomputer coding chip connect and compose scrambler according to circuit mode.
Collector has an analog input interface, two digital signal output interfaces, input simultaneously the voltage analog signal of some joint accumulators, in order each batteries voltage signal is carried out analog to digital conversion, by process chip, digital signal is processed, a-road-through news signal after processing is identified by the monitoring host computer of straight-flow system, and another kind of stipulations signal is identified by the discharge instrument main frame, gives discharge instrument and shares.
The utility model is used for discharging and recharging instrument when storage batteries of transformer substation discharges and recharges and dc monitoring system gathers the single-unit battery tension, adopt voltage collector to take out the single battery voltage analog signal from the battery tension sampling box, perhaps from bus network peek word signal, give the discharge instrument share measured value, do discharge and recharge in the voltage data of the real-time detection record accumulator of discharge instrument, and scheduling also can monitor the voltage of single-unit accumulator simultaneously, reduce single-unit accumulator acquisition time, improve the collection accuracy rate, evade potential safety hazard.
Description of drawings
Fig. 1 is principle of work block diagram of the present utility model.
Fig. 2 is circuit principle structure block diagram of the present utility model.
In figure: 1 input interface, 2 converters, 3 scramblers, 4 output interfaces, 5 direct-current supervision main frames, 6 discharge instrument main frames, 7 MOS switching tubes, 8 zero correction chips, 9 span calibration chips, 10 amplifiers, 11 A/D conversion chips, 12 photoisolators, 13 single-chip microcomputer coding chips.
Embodiment
As shown in Figure 1, 2, this collector is connected to form by the input interface 1 in housing, converter 2, scrambler 3 and output interface 4; Described converter 2 comprises MOS switching tube 7, zero correction chip 8, span calibration chip 9, amplifier 10 and A/D conversion chip 11, and MOS switching tube 7, zero correction chip 8, span calibration chip 9, amplifier 10 and A/D conversion chip 11 connect and compose converter according to circuit mode; Described scrambler 3 comprises photoisolator 12, single-chip microcomputer coding chip 13, and photoisolator 12, single-chip microcomputer coding chip 13 connect and compose scrambler according to circuit mode.
Collector has an analog input interface 1, two digital signal output interfaces 4, input simultaneously the voltage analog signal of some joint accumulators, in order each batteries voltage signal is carried out analog to digital conversion, by process chip, digital signal is processed, a-road-through news signal after processing is by 5 identifications of direct-current supervision main frame, and another kind of stipulations signal is given discharge instrument and shared by 6 identifications of discharge instrument main frame.
Claims (1)
1. transformer station's single-unit battery tension collector, it is characterized in that: this collector is connected to form by the input interface in housing (1), converter (2), scrambler (3) and output interface (4); Described converter (2) comprises MOS switching tube (7), zero correction chip (8), span calibration chip (9), amplifier (10) and A/D conversion chip (11), and MOS switching tube (7), zero correction chip (8), span calibration chip (9), amplifier (10) and A/D conversion chip (11) connect and compose converter according to circuit mode; Described scrambler (3) comprises photoisolator (12), single-chip microcomputer coding chip (13), and photoisolator (12), single-chip microcomputer coding chip (13) connect and compose scrambler according to circuit mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675216 CN202948053U (en) | 2012-12-10 | 2012-12-10 | Voltage acquisition device of single storage battery of transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675216 CN202948053U (en) | 2012-12-10 | 2012-12-10 | Voltage acquisition device of single storage battery of transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202948053U true CN202948053U (en) | 2013-05-22 |
Family
ID=48423749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220675216 Expired - Fee Related CN202948053U (en) | 2012-12-10 | 2012-12-10 | Voltage acquisition device of single storage battery of transformer station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202948053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155596A (en) * | 2014-08-12 | 2014-11-19 | 北京航空航天大学 | Artificial circuit fault diagnosis system based on random forest |
-
2012
- 2012-12-10 CN CN 201220675216 patent/CN202948053U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155596A (en) * | 2014-08-12 | 2014-11-19 | 北京航空航天大学 | Artificial circuit fault diagnosis system based on random forest |
| CN104155596B (en) * | 2014-08-12 | 2017-01-18 | 北京航空航天大学 | Artificial circuit fault diagnosis system based on random forest |
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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: 20130522 Termination date: 20181210 |