CN201255766Y - Portable charger characteristic test device - Google Patents
Portable charger characteristic test device Download PDFInfo
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- CN201255766Y CN201255766Y CN 200820112742 CN200820112742U CN201255766Y CN 201255766 Y CN201255766 Y CN 201255766Y CN 200820112742 CN200820112742 CN 200820112742 CN 200820112742 U CN200820112742 U CN 200820112742U CN 201255766 Y CN201255766 Y CN 201255766Y
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Abstract
The utility model discloses a portable charger character tester for direct current power suppliers of transformer substation, which comprises: 1, a voltage adjusting device input end; 2, a power switch; 3, a voltage adjusting device; 4, a voltage adjusting device output end; 5, an alternative current transformer; 6, an alternative current voltage transformer; 7, a signal processing control unit; 8, an adjustable load unit; 9, a direct current power input end; 10, a printer; 11, a keyboard; 12, a liquid crystal display; 13, a USB interface; 14, a direct current transformer; 15, a direct current voltage transformer, wherein the voltage adjusting device 3 comprises: 19, a voltage adjuster; 18, a control motor; 16, a natural rotation solid state relay; 17, a reversal rotation solid state relay. The portable charger character tester can accurately measure the technique indexes such as voltage stabilized precision, current stabilized precision and ripple factor output by a charger, under the input voltage regulated by the charger operated in transformer substation.
Description
Technical field of the present utility model
The utility model relates to a kind of portable charger characteristic testing device that is used for the transforming plant DC power supply.
Background technology of the present utility model
Direct supply provides the operation and the control protection power supply in power transmission and transformation field as one of visual plant of power system transformer substation safe operation.Direct supply mainly is made up of battery pack and charging set two major parts.Accumulator is as unique reserve emergency power pack, and its capacity is the topic that people were concerned about always, and the performance of charging set has very big relation to how guaranteeing the accumulator safe operation.In order to improve the safe operation of electrical network, State Power Corporation all proposes to explicitly call for and strict regulation to the operation control of battery and charging set, as among the DL/T724-2000 that formulated " electric system with accumulator direct current supply device operation and maintenance technical regulation " to technical indicators such as the charging device precision of voltage regulation, precision of steady current, ripple factor, accumulator capacities, clearly regulation has all been arranged, simultaneously the computing method and the measuring method of precision of steady current, the precision of voltage regulation, ripple factor have all been done corresponding regulation.
Before nineteen ninety, electric system does not all have too big attention to its direct supply always, the less test of doing this respect, mainly contain the reason of three aspects: 1 in the past direct supply mainly be based on phase-controlled power and open cell, its technical merit is low, main element is a controllable silicon, the abstruse technology that is far from being, and this respect does not have testing tool and requirement.The utilization of 2 computing machines is also popularized, and power industry is not enough to the attention of direct supply.The management of 3 power industries is ineffective, and departments such as production, power transformation do not set up direct current specific responsibility slip-stick artist management, all do not obtain paying attention in technology and management.
In recent years, its good performance index of valve-regulated battery and high-frequency model charging set have obtained people's approval and have been extensive use of.Valve-regulated battery has also proposed harsher technical feature to the requirement of charging set, as: the precision of voltage regulation, precision of steady current, ripple factor, running environment etc.But realize measuring the numerical value such as the precision of voltage regulation, precision of steady current, ripple factor of charging set, can only before direct current cabinet manufacturer dispatches from the factory, do test.After the operation, only adopt instrument test charging sets such as multimeter, oscillograph, electric current split-core type meter whether to have voltage output and electric current to produce, technical indicators such as its carrying load ability, voltage stabilizing, current stabilization, ripple just can't comprehensively be measured.Along with work about electric power person has carried out a large amount of further investigations and formulated relevant operations specification DC power with technical in management work, also made the standard of relevant DC power, for our exploitation lays the foundation with the relevant measurement products of utilization.In order to satisfy industry requirements such as power communication, finance, traffic, we adopt automatic constant current discharge is the basis, attached autoelectrinic pressure regulator and the charging set characteristic detection device of application daemon software analysis for assisting of helping.
The dc charging motor characteristic test device that uses is designed voluntarily by direct current cabinet manufacturer or test center at present, this proving installation mainly is to adopt compositions such as pressure regulator, load instrument, oscillograph, reometer, voltage table, vacuum milivoltmeter, and there is following problem in this characteristic test device:
1, measuring accuracy is poor, and extensive work needs manual intervention;
2, relevant device is more, bulky, heavy, is difficult for being transported to the on-the-spot use of transformer station;
3, wiring complexity, safety coefficient is low;
4, can't carry out automatic accurate adjusting to voltage, electric current.
Summary of the invention of the present utility model
The purpose of this utility model is to provide a kind of Portable DC charging machine characteristic test device that is used for power system transformer substation.
The utility model embodiment
Embodiment illustrated in fig. 1, Portable DC charging machine characteristic test device comprises: 1, regulator input end, 2, power switch, 3, regulator, 4, the regulator output terminal, 5, AC current transformer, 6, AC voltage transformer, 7, signal processing control unit, 8, the tunable load unit, 9, dc supply input,, 10, printer, 11, keyboard, 12, LCD, 13, USB interface, 14, DC current transformer, 15, DC voltage transformer forms.Its circuit is connected to: electric main 380V, 50HZ power supply are received the input end of regulator input end (1); The input end of the output terminal of regulator input end (1) and power switch (2) joins; The input end 1 that the A phase output terminal of power switch (2) passes AC current transformer (5) and regulator (3) joins; The input end 2 of AC current transformer (5) output terminal and signal processing control unit (7) joins; The output terminal of regulator (3) and regulator output terminal (4) join; Regulator output terminal (4) and AC voltage transformer (6) input end join; The input end 1 of AC voltage transformer (6) output terminal and signal processing control unit (7) joins; The output terminal 6 of the input end 2 of regulator (3) and signal processing control unit (7) joins; The output terminal 1 of signal processing control unit (7) and printer (10) join; The output terminal 2 of signal processing control unit (7) and keyboard (11) join; The output terminal 3 of signal processing control unit (7) and LCD (12) are joined; The output terminal 4 of signal processing control unit (7) and USP interface (13) join; The input end 1 of the output terminal 5 of signal processing control unit (7) and tunable load unit (8) joins, and dc supply input (9) joins through the input end 2 of DC current transformer (14) and tunable load unit (8); Dc supply input (9) and the mutual mutual inductor of DC voltage (15) input end join and connect; DC current transformer (14) output terminal and signal processing control unit (7) input end 3 join; DC voltage transformer (15) output terminal and signal processing control unit (7) input end 4 join.
Embodiment illustrated in fig. 2, be regulator 3, it is characterized in that regulator (3) comprising: 19, pressure regulator, 18, the control motor, 16, just change solid-state relay, 17, the counter-rotating solid-state relay.Its circuit is connected to: the center rotating shaft of pressure regulator (19) and control motor (18) output are joined; The input end (1) of control motor (18) and the output terminal that is just changeing solid-state relay (16) join; The output terminal of the input end (2) of control motor (18) and counter-rotating solid-state relay (17) joins; Just changeing the input end of solid-state relay (16) and the output terminal (7) of signal processing control unit (7) joins; The input end of counter-rotating solid-state relay (17) and the input end (8) of signal processing control unit (7) join.
Useful result of the present utility model:
1, measuring accuracy height, function is complete, no longer needs rewiring simultaneously as the test precision of voltage regulation and precision of steady current, only just sets with numeral during test, and need not too many manual intervention, just can finish automatically.
2, equipment is simple, and volume is little, and is easy to carry; No longer need to be with equipment such as pressure regulator, oscillograph, reometer, this instrument can once be finished.
3, wiring is simple, the safety coefficient height; The input end of the input of this tester three-phase electricity, output terminal and direct supply only has 9 lines altogether, and the middle lead that no longer connects other is easy to use, safety.
4, can arbitrarily accurately regulate voltage, electric current.Various test parameters can be finished in this tester automatically, and its electric current, voltage only need manually to set on keyboard just passable.
The utility model description of drawings
Accompanying drawing 1 is a structural drawing of the present utility model.
Accompanying drawing 2 is regulator structural drawing.
The utility model embodiment
In Fig. 1, Portable DC charging machine characteristic test device comprises: 1, regulator input end, 2, power switch, 3, regulator, 4, the regulator output terminal, 5, AC current transformer, 6, AC voltage transformer, 7, signal processing control unit, 8, the tunable load unit, 9, dc supply input,, 10, printer, 11, keyboard, 12, LCD, 13, USB interface, 14, DC current transformer, 15, DC voltage transformer forms.Its circuit is connected to: electric main 380V, 50HZ power supply are received the input end of regulator input end (1); The input end of the output terminal of regulator input end (1) and power switch (2) joins; The input end 1 that the A phase output terminal of power switch (2) passes AC current transformer (5) and regulator (3) joins; The input end 2 of AC current transformer (5) output terminal and signal processing control unit (7) joins; The output terminal of regulator (3) and regulator output terminal (4) join; Regulator output terminal (4) and AC voltage transformer (6) input end join; The input end 1 of AC voltage transformer (6) output terminal and signal processing control unit (7) joins; The output terminal 6 of the input end 2 of regulator (3) and signal processing control unit (7) joins; The output terminal 1 of signal processing control unit (7) and printer (10) join; The output terminal 2 of signal processing control unit (7) and keyboard (11) join; The output terminal 3 of signal processing control unit (7) and LCD (12) are joined; The output terminal 4 of signal processing control unit (7) and USP interface (13) join; The input end 1 of the output terminal 5 of signal processing control unit (7) and tunable load unit (8) joins, and dc supply input (9) joins through the input end 2 of DC current transformer (14) and tunable load unit (8); Dc supply input (9) and DC voltage transformer (15) input end join and connect; DC current transformer (14) output terminal and signal processing control unit (7) input end 3 join; DC voltage transformer (15) output terminal and signal processing control unit (7) input end 4 join.Wherein power switch (2) adopts model 3P/DZ47-60, is three utmost point C characteristics, and rated current is the interchange miniature circuit breaker of 60A; AC current transformer (5) adopts model ZLB-4 type, belongs to the core-theaded type current transformer, and input current is for exchanging 0-50A, and output voltage is 0-5V; AC voltage transformer (6) adopts model ZLD-9, and input voltage is for exchanging 0-500V, and output voltage is 0-5V; LCD (12) adopts 10 cun color liquid crystal matrix displays of Sharp; Printer adopts RD series mini printer; USB interface adopts 2.0 interfaces.DC current transformer (4) adopts the core-theaded type current transformer, and its input current is direct current 0-100A, and output voltage is 0-5V; DC voltage transformer (15), input voltage are direct current 0-300V, and output voltage is 0-5V; Three-phase alternating-current supply ABC three-phase input end and regulator input end (1) join, and regulator input end (1) is made up of four binding posts, and color is red, yellow, green, black four kinds and corresponds to A phase, B phase, C phase, zero phase power end respectively; Regulator input end (1) is received the input end of power switch (2), the output terminal serial connection current transformer (5) of power switch (2) is received the input end of regulator (3), regulator output terminal (4) and AC voltage transformer (6) input end join, regulator output terminal (4) is made up of three binding posts, and color is red, yellow, green 43 to correspond to A phase, B phase, C phase power end respectively; The three-phase supply input and the regulator output terminal (4) of tested charging set join, the three-phase electricity of charging set just can realize regulating automatically according to the test required voltage, as by press key assignments output 340V voltage, the voltage that this regulator obtains will exporting after the effect of signal processing control unit (7) 340V arrives tested charging set.The direct supply output of charging set has only positive and negative two ends, and dc supply input (9) is received at positive and negative two ends respectively; Dc supply input (9) adopts, the binding post of 80A, adopt red, black two kinds of color showings respectively, redness is tested charging set power supply output plus terminal, black is tested charging set power supply output negative terminal, the signal of dc supply input (9) is delivered to DC voltage sensor (15) and is carried out voltage sample, and sampling back measurement data is delivered to signal processing control unit (7); The current signal of direct supply is delivered to signal processing control unit (7) after DC current transformer (14) sampling; Signal processing control unit (7) through sampling processing, signal amplification ratio, data such as maximum voltage value that will be wherein after the analysis, signal transformation, minimum voltage value, lowest high-current value, minimum current value, ripple peak value and setting value carry out computing; Keyboard (11) can be set each parameter, and this proving installation produces different loads and regulates alternating voltage, produces different output voltages.Signal processing controller (7) calculates under each input voltage and the precision of voltage regulation, precision of steady current and ripple factor under each load current.Each signal that signal processing controller (7) also will measure is delivered to LCD (12) and is shown, signal processing control unit (7) by USB interface (13) data can be stored in USB dish or directly and host computer join, host computer carries out the data presentation preservation.Signal processing control unit (7) also can will be tested to the fruit data by mini-printer (10) and directly be printed.
In embodiment illustrated in fig. 2, it is characterized in that regulator (3) comprising: 19, pressure regulator, 18, the control motor, 16, just change solid-state relay, 17, the counter-rotating solid-state relay.Its circuit is connected to: the center rotating shaft of pressure regulator (19) and control motor (18) output are joined; The input end (1) of control motor (18) and the output terminal that is just changeing solid-state relay (16) join; The output terminal of the input end (2) of control motor (18) and counter-rotating solid-state relay (17) joins; Just changeing the input end of solid-state relay (16) and the output terminal (7) of signal processing control unit (7) joins; The input end of counter-rotating solid-state relay (17) and the input end (8) of signal processing control unit (7) join.Pressure regulator (19) adopts the structure of three-phase connecting shaft, the output that forwards to of its center Control Shaft and control motor (18) is joined, adopt the screw fastening means to connect, the rotation branch of control motor (18) rotates and reverse two taps, signal processing control unit (7) is according to the voltage-regulation needs, the output control signal is given is just changeing solid-state relay (16) or counter-rotating solid-state relay (17), realizes control motor (18) forward or reverse; As: during the conducting of signal processing control unit (7) control counter-rotating solid-state relay (17), the control motor is realized counter-rotating, the rotating of control motor just can make the output voltage of pressure regulator heighten or turn down, pressure regulator range of regulation 220V-480V wherein, pressure regulator power 9KW-15KW three phase electric machine, weight is 50 kilograms, and the pressure regulator single-phase current is 0-20A; Its output voltage values just can be determined the magnitude of voltage of its output through AC voltage sensor sampling back; For example requiring output voltage is 340V, pressure regulator is when output voltage reaches 340V under motor rotates, signal processing control unit (7) does not just align commentaries on classics solid-state relay (16) or counter-rotating solid-state relay (17) provides any signal, motor does not just rotate, if require to regulate how much voltage and all be under pressure regulator signal processing control unit (7) signal effect through just changeing solid-state relay (16) or counter-rotating solid-state relay (17) control motor (18) makes the pressure regulator output voltage meet the requirements of numerical value, solid-state relay adopts model 4010D; Control motor (18) adopts the alternating current 220V power supply, the safety that adopts the solid-state relay chief examiner to consider the Computer signal line of alternating current is isolated and control action, automatic test relevant under the control of signal processing control unit (7) just can carry out, each measuring voltage that needs just can be exported automatically, has realized each parameter gamut test of direct supply charging set that transformer station uses.
Claims (2)
1, a kind of portable charger characteristic testing device comprises: (1), regulator input end, (2), power switch, (3), regulator, (4), regulator output terminal, (5), AC current transformer, (6), AC voltage transformer, (7), signal processing control unit, (8), tunable load unit, (9), dc supply input, (10), printer, (11), keyboard, (12), LCD, (13), USB interface, (14), DC current transformer, (15), DC voltage transformer are formed; It is characterized by: electric main 380V, 50HZ power supply are received the input end of regulator input end (1); The input end of the output terminal of regulator input end (1) and power switch (2) joins; The input end (1) that (A) phase output terminal of power switch (2) passes AC current transformer (5) and regulator (3) joins; The input end (2) of AC current transformer (5) output terminal and signal processing control unit (7) joins; The output terminal of regulator (3) and regulator output terminal (4) join; Regulator output terminal (4) and AC voltage transformer (6) input end join; The input end (1) of AC voltage transformer (6) output terminal and signal processing control unit (7) joins; The input end (2) of regulator (3) and the output terminal (6) of signal processing control unit (7) join; The output terminal (1) and the printer (10) of signal processing control unit (7) join; The output terminal (2) and the keyboard (11) of signal processing control unit (7) join; The output terminal (3) and the LCD (12) of signal processing control unit (7) are joined; The output terminal (4) and the USP interface (13) of signal processing control unit (7) join; The output terminal (5) of signal processing control unit (7) and the input end (1) of tunable load unit (8) join, and dc supply input (9) joins through the input end (2) of DC current transformer (14) and tunable load unit (8); Dc supply input (9) and DC voltage transformer (15) input end join and connect; DC current transformer (14) output terminal and signal processing control unit (7) input end (3) join; DC voltage transformer (15) output terminal and signal processing control unit (7) input end (4) join.
2, portable charger characteristic testing device according to claim 1 is characterized in that: regulator (3) comprising: (19), pressure regulator, (18), control motor, (16), just change solid-state relay, (17), counter-rotating solid-state relay; The center rotating shaft of pressure regulator (19) and control motor (18) output are joined; The input end (1) of control motor (18) and the output terminal that is just changeing solid-state relay (16) join; The output terminal of the input end (2) of control motor (18) and counter-rotating solid-state relay (17) joins; Just changeing the input end of solid-state relay (16) and the output terminal (7) of signal processing control unit (7) joins; The input end of counter-rotating solid-state relay (17) and the input end (8) of signal processing control unit (7) join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820112742 CN201255766Y (en) | 2008-05-17 | 2008-05-17 | Portable charger characteristic test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820112742 CN201255766Y (en) | 2008-05-17 | 2008-05-17 | Portable charger characteristic test device |
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| CN201255766Y true CN201255766Y (en) | 2009-06-10 |
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| CN 200820112742 Expired - Fee Related CN201255766Y (en) | 2008-05-17 | 2008-05-17 | Portable charger characteristic test device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095953A (en) * | 2010-11-26 | 2011-06-15 | 广东电网公司中山供电局 | On-line detection method for performance of accumulator charger |
| CN104198836A (en) * | 2014-08-06 | 2014-12-10 | 国家电网公司 | Novel output parameter detection device for direct-current system charge device of transformer substation |
| CN105223441A (en) * | 2015-10-12 | 2016-01-06 | 国网天津市电力公司 | A kind of mobile type electric charger for automobile detection system |
| CN105403841A (en) * | 2015-10-30 | 2016-03-16 | 国网河南省电力公司平顶山供电公司 | Electric power storage battery DC test system and test method |
| CN110726890A (en) * | 2019-10-09 | 2020-01-24 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Calibration method for direct-current charger of power plant |
-
2008
- 2008-05-17 CN CN 200820112742 patent/CN201255766Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095953A (en) * | 2010-11-26 | 2011-06-15 | 广东电网公司中山供电局 | On-line detection method for performance of accumulator charger |
| CN102095953B (en) * | 2010-11-26 | 2015-11-25 | 广东电网公司中山供电局 | A kind of performance of accumulator charger online test method |
| CN104198836A (en) * | 2014-08-06 | 2014-12-10 | 国家电网公司 | Novel output parameter detection device for direct-current system charge device of transformer substation |
| CN105223441A (en) * | 2015-10-12 | 2016-01-06 | 国网天津市电力公司 | A kind of mobile type electric charger for automobile detection system |
| CN105403841A (en) * | 2015-10-30 | 2016-03-16 | 国网河南省电力公司平顶山供电公司 | Electric power storage battery DC test system and test method |
| CN110726890A (en) * | 2019-10-09 | 2020-01-24 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Calibration method for direct-current charger of power plant |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090610 Termination date: 20110517 |