CN109061542A - A kind of stepless voltage regulation electrical performance test system - Google Patents
A kind of stepless voltage regulation electrical performance test system Download PDFInfo
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- CN109061542A CN109061542A CN201810652656.XA CN201810652656A CN109061542A CN 109061542 A CN109061542 A CN 109061542A CN 201810652656 A CN201810652656 A CN 201810652656A CN 109061542 A CN109061542 A CN 109061542A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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Abstract
A kind of stepless voltage regulation electrical performance test system disclosed by the invention, including industrial personal computer, power source and electric performance test platform, the interior electric parameter that is equipped with of the industrial personal computer freely adjust unit, electric energy meter electric performance test scheme unit and electric energy meter data reading system unit；The power source is stepless voltage regulation power source, and power source is built-in with signal generating unit；Electric performance test platform includes panel, test station and current monitoring module, electric parameter in industrial personal computer freely adjusts voltage, the electric current of the settable any variation waveform of unit, to simulate the different types of load in electric energy meter running environment completely, power source can realize the stepless output of voltage, electric current, phase angle in working range, the actual operating mode of electric energy meter more effectively is simulated, so that testing result is more accurate.
Description
Technical field
The present invention relates to Electric Energy Metering Technology field, specifically a kind of stepless voltage regulation electrical performance test system.
Background technique
For electric properties such as voltage, electric current, power, the errors of testing electric energy meter, need using power source to electric energy meter
Apply amplitude different alternating voltage and electric current.Conventional means of testing mainly utilizes detection device of electric energy meter, according to correspondence
National standard or vertification regulation electric performance test is carried out to electric energy meter, if desired test different loads in test process
Point, then detection device needs to carry out the switching of voltage, electric current, and voltage, electric current, which are all started from scratch, after the completion of switching is increased to correspondence
Load point, this has certain discrepancy with the load point situation of electric energy meter in actual operation, in actual motion, if user open it is new
Electrical equipment then electric current will increase on the basis of the original, and be not to start from scratch to be increased to new load point, if similarly
User closes a certain electrical equipment, then electric current directly will be reduced to smaller current from high current, and be not liter of starting from scratch
Height arrives smaller current, and existing electric energy meter electric performance test can not simulate the voltage and current in practical situations well
Situation of change, testing result are not accurate enough.
Summary of the invention
It is an object of the invention to solve above-mentioned existing detection device of electric energy meter not simulating the operation of electric energy meter very well
The problem of environment carries out electric performance test to it provides a kind of stepless voltage regulation electrical performance test system, can simulate completely
Different types of load in electric energy meter running environment realizes the stepless output of voltage, electric current, phase angle in working range,
The actual operating mode of electric energy meter more effectively is simulated, test result is more acurrate.
The technical scheme adopted by the invention to solve the technical problem is that:
A kind of stepless voltage regulation electrical performance test system, including industrial personal computer, power source and electric performance test platform, the work
It is equipped with electric parameter in control machine and freely adjusts unit, electric energy meter electric performance test scheme unit and electric energy meter data reading system list
Member；The power source is stepless voltage regulation power source, and power source is built-in with signal generating unit；Electric performance test platform includes face
Plate, test station and current monitoring module.
Further, the power source is connected with industrial personal computer by conducting wire, and power source receives voltage, the electricity that industrial personal computer issues
The signal generating unit of stream and phase angle signal, power source exports corresponding voltage, electric current and power, while power source will test
Result data returns to industrial personal computer.
Further, the electric performance test platform is connect with power source by conducting wire, and power source is by the voltage of generation, electricity
Electric performance test platform is given in stream output, and electric performance test platform provides voltage and current for detected electric energy meter, while electrical
It is performance test bed that the pulse signal of electric energy meter is fed back into power source；
There are four test stations, including G1, G2, G3 and G4 for the electric performance test platform tool.
Further, the electric performance test platform is connect with industrial personal computer by conducting wire, and electric performance test platform is according to work
Corresponding test in the control of testing scheme set by electric energy meter electric performance test scheme unit electric performance test platform in control machine
The electric energy meter grafting of station, while industrial personal computer passes through the metering and function related data in conducting wire copy reading electric energy meter.
Further, the panel, which is located above test station, is equipped with opening, and opening is equipped with plug-in connection.
Further, the plug-in connection includes push plate and hydraulic cylinder, and push plate covers all opening, the push plate left and right sides
Equipped with sliding block, position corresponding with sliding block is equipped with slideway on panel, and sliding block and slideway cooperate, and the hydraulic cylinder is located under panel
Side, hydraulic cylinder body end is hinged with panel, and hydraulic cylinder piston rod end is hinged with push plate, is equipped between the push plate and hydraulic cylinder close
Sealing mechanism.
Further, the sealing mechanism includes front wheel, rear roller, left sealing ring and right sealing ring, the front wheel
Be rotatablely connected between rear roller and push plate, front wheel is symmetrical set there are two, rear roller is symmetrical set there are two,
Left sealing ring and the front wheel and rear roller in left side cooperate, and the front wheel and rear roller on right sealing ring and right side cooperate, before described
Idler wheel, rear roller, left sealing ring and right sealing ring are covered in open outer side and form rectangular seal region, roll between front wheel with rear
It is connected by roller between wheel.
Further, it is equipped with groove in the front wheel and rear roller, left sealing ring and right sealing ring are located at corresponding recessed
In slot, rubber layer is wrapped up on roller external cylindrical surface, driven wheel is equipped between front wheel and rear roller, is turned between driven wheel and push plate
Dynamic connection, driven wheel bilateral symmetry are distributed.
The beneficial effects of the present invention are:
1, the present invention can not simulate the running environment of electric energy meter to it to solve existing detection device of electric energy meter very well
The problem of carrying out electric performance test is equipped with electric parameter in industrial personal computer and freely adjusts unit, electric energy meter electric performance test
Scheme unit and electric energy meter data reading system unit, the power source are stepless voltage regulation power source, and power source is built-in with power
Unit, the electric parameter in industrial personal computer freely adjusts voltage, the electric current of the settable any variation waveform of unit, to simulate electricity completely
Different types of load in energy table running environment, power source can realize that voltage, electric current, phase angle are stepless in working range
Output realizes stepless voltage regulation, the actual operating mode of electric energy meter is more effectively simulated, so that testing result is more accurate.
2, there are four test stations for electric performance test platform tool of the present invention, are applicable to the electric energy meter of different types and specification
Test, use are wide.
3, panel inclination of the present invention, panel, which is located above test station, is equipped with opening, and opening is equipped with plug-in connection, grafting
Mechanism includes push plate and hydraulic cylinder, and by Hydraulic Cylinder push plate, push plate pushes electric energy meter to carry out grafting movement, in the process
Electric performance test platform controls hydraulic cylinder and carries out electric energy meter and survey according to the essential information for the tested electric energy meter being arranged on industrial personal computer
The crimping of trial work position, can be realized autopatching at G1, G2 and G3 test station, simple to operate.
4, roller of the present invention and symmetrical front wheel and rear roller are coaxial, by with the biggish rolling of plate contact area
Column drives left sealing ring and right sealing ring to move synchronously, so as to avoid pressure between left sealing ring and right sealing ring and panel compared with
Lead to the case where left sealing ring and right sealing ring are relative to panel sliding appearance greatly, keeps away left sealing ring and right seal wears mistake
Fastly, it improves service life.
5, groove is equipped in front wheel and rear roller of the present invention, left sealing ring and right sealing ring are located in corresponding groove,
First groove can prevent left sealing ring and right sealing ring from tampering on front wheel and rear roller, good reliability.
6, wrap up rubber layer on roller external cylindrical surface of the present invention, rubber layer can be good at sealing front wheel and rear roller with
Gap between panel prevents sundries from entering in electric performance test platform.
7, it is equipped with driven wheel between front wheel and rear roller of the present invention, is rotatablely connected between driven wheel and push plate, driven wheel
Bilateral symmetry is distributed, and driven wheel ensure that the palette between left sealing ring and right sealing ring and panel, and sealing effect is good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is present system structural schematic diagram；
Fig. 2 is plug-in connection structural schematic diagram one of the present invention；
Fig. 3 is plug-in connection structural schematic diagram two of the present invention；
Fig. 4 is plate pushing structure schematic diagram one of the present invention；
Fig. 5 is plate pushing structure schematic diagram two of the present invention；
Fig. 6 is sealing mechanism structural schematic diagram of the present invention；
Fig. 7 is front wheel structural schematic diagram of the present invention.
In figure: 1, industrial personal computer, 2, power source, 3, electric performance test platform, 4, panel, 5, test station, 6, opening, 7, push away
Plate, 8, hydraulic cylinder, 9, sliding block, 10, slideway, 11, connecting plate, 12, idler wheel, 13, rear roller, 14, left sealing ring, 15, right sealing
Ring, 16, groove, 17, roller, 18, rubber layer, 19, driven wheel.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
For convenience of description, it is as shown in Figure 2 now to define coordinate system.
As shown in Figure 1, a kind of stepless voltage regulation electrical performance test system, including industrial personal computer 1, power source 2 and electric property
Testboard 3, the interior electric parameters such as voltage, electric current and phase angle that are equipped with of industrial personal computer 1 freely adjust unit, electric energy meter electrical resistance
It can testing scheme unit and electric energy meter data reading system unit；The power source 2 is stepless voltage regulation power source, and power source is built-in with mark
Quasi- electric energy meter and signal generating unit, control unit, error calculation unit and communication unit；Electric performance test platform 3 includes face
Plate 4, test station 5 and current monitoring module.
The electric parameter, which freely adjusts unit, can realize voltage freely adjusting within the scope of 0-220V, and electric current is in 0-
Freely adjusting within the scope of 100A, phase angle freely adjusting within the scope of 0-360 degree, regulative mode can be defeated by numerical value
Enter, column-shape strip can also be dragged to realize, and can realize the adjusting of any one phase in three-phase, can also three-phase adjust simultaneously；Industrial personal computer 1
Voltage, electric current, phase angle and the corresponding function of the interior settable any variation waveform of the electrical table performance test scheme unit
The operating time of rate；Electric energy meter data reading system unit in industrial personal computer 1, can electric energy, logout, freezing data to electric energy meter
Deng progress copy reading.
Power source 2 be stepless voltage regulation power source, it can be achieved that free voltage, electric current and power output, and realize stepless liter
Drop.
The electric performance test platform 3 is configured with current monitoring module, using ammeter to the real-time electricity of performance loop
Stream is monitored, and it will be shown on 3 front panel of electric performance test platform, prevent the current mulual inductor malfunction because in circuit
Caused by measure inaccuracy or measurement error.
As shown in Figure 1, the power source 2 is connected with industrial personal computer 1 by conducting wire, power source 2 receives the electricity that industrial personal computer 1 issues
Pressure, electric current and phase angle signal, the signal generating unit of power source 2 export corresponding voltage, electric current and power, while power source
2, which will test result data, returns to industrial personal computer 1.
As shown in Figure 1, the electric performance test platform 3 is connect with power source 2 by conducting wire, power source 2 is by the electricity of generation
Pressure, electric current are exported to electric performance test platform 3, and electric performance test platform 3 provides voltage and current for detected electric energy meter, together
When electric performance test platform 3 pulse signal of electric energy meter is fed back into power source 2；There are four the tools of electric performance test platform 3
Test station 5, including G1, G2, G3 and G4.Station G1 is for testing the single-phase electric energy for meeting power industry standard pattern specification
Table, station G2 is for testing the three-phase direct access electric energy meter for meeting power industry standard pattern specification, and station G3 is for surveying
Examination meets the three-phase of power industry standard pattern specification through mutual inductor access electric energy meter, and each station is tested electric energy meter and uses certainly
The form that dynamic pressure connects, station G4 use the manual mode of connection, are applicable to the electric energy meter test of any pattern.
As shown in Figure 1, the electric performance test platform 3 is connect with industrial personal computer 1 by conducting wire, electric performance test platform 3
According to right in the control electric performance test platform 3 of testing scheme set by electric energy meter electric performance test scheme unit in industrial personal computer 1
The electric energy meter grafting of test station 5 is answered, while industrial personal computer 1 passes through the metering and function related data in conducting wire copy reading electric energy meter.
As shown in Figure 1, the panel 4 tilts, panel 4, which is located above test station 5, is equipped with opening 6, is equipped with and inserts at opening 6
Connection mechanism.G1, G2 and G3 are located on panel 4, and G4 is located at 3 side of electric performance test platform, are open 6 three, three openings 6 with
G1, G2 and G3 are corresponding, i.e., three plug-in connections are corresponding with G1, G2 and G3, can be realized automatic at G1, G2 and G3 test station 5
Grafting, it is simple to operate.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the plug-in connection includes push plate 7 and hydraulic cylinder 8, and push plate 7 covers all
Opening 6 is equipped with sliding block 9 at left and right sides of push plate 7, and position corresponding with sliding block 9 is equipped with slideway 10, sliding block 9 and slideway 10 on panel 4
Cooperation, the sliding block 9 are all made of steel angle structure with slideway 10, can anti-thrust plate 7 move up and down and move left and right, the hydraulic cylinder
8 are located at 4 lower section of panel, and 8 cylinder body end of hydraulic cylinder and 4 lower end surface of panel are hinged, and 8 tailpiece of the piston rod of hydraulic cylinder and 7 lower end surface of push plate are cut with scissors
It connects, 8 tailpiece of the piston rod of hydraulic cylinder is equipped with connecting plate 11, and 11 upper end of connecting plate is fixedly connected with 7 lower end surface of push plate, 11 lower end of connecting plate
It is hinged with 8 tailpiece of the piston rod of hydraulic cylinder, sealing mechanism is equipped between the push plate 7 and hydraulic cylinder 8.
The hydraulic cylinder 8 is connect by fluid pressure line with hydraulic pump, and figure does not regard, and fluid pressure line is equipped with solenoid valve, electromagnetism
Valve is connect by conducting wire with controller, and single-chip microcontroller can be used in controller, and controller can receive electric energy meter electric performance test scheme
Testing scheme in unit, and the opening and closing that solenoid valve is corresponded at G1, G2 and G3 test station 5 is controlled according to testing scheme,
Solenoid valve opening and closing is controlled by controller and the connection of hydraulic cylinder and hydraulic pump is the prior art, is not done herein excessive superfluous
It states, when test, electric energy meter is placed on panel 4 in corresponding test station 5 first, adjusts the output voltage of power source
Afterwards, the hydraulic pump piston bar stretching of electric energy meter can push push plate 7 to move up and down along slideway 10, be moved downwardly to the limit in push plate 7
Electric energy meter will be pushed to connect with the wiring interface of test station 5 during position, the test can be started after connection, to realize
Autopatching between electric energy meter and test station 5.To avoid sundries from falling into inside electric performance test platform 3 from windowing 6,
The push plate 7 moves upward to extreme position and is covered in 6 outside of windowing when being moved downwardly to extreme position.
As shown in fig. 6, the sealing mechanism includes front wheel 12, rear roller 13, left sealing ring 14 and right sealing ring 15, institute
It states and is rotatablely connected between front wheel 12 and rear roller 13 and push plate 7,7 left and right side lower end of push plate is equipped with connecting plate, front wheel 12
It is equipped with shaft with 13 both ends of rear roller, is rotatablely connected between shaft and connecting plate by bearing, front wheel 12 is symmetrical to be set
There are two, rear roller 13 is symmetrical set there are two, left sealing ring 14 and the front wheel 12 and rear roller 13 in left side cooperate, right
The front wheel 12 and rear roller 13 on sealing ring 15 and right side cooperate, and the front wheel 12, rear roller 13, left sealing ring 14 and the right side are close
Seal ring 15 is covered in 6 outside of opening and forms rectangular seal region, passes through roller 17 between rear roller 13 between front wheel 12
Connection.Roller 17 and symmetrical front wheel 12 and rear roller 13 are coaxial, by with the biggish roller 17 of 4 contact area of panel
Drive left sealing ring 14 and right sealing ring 15 to move synchronously, so as to avoid left sealing ring 14 and right sealing ring 15 and panel 4 it
Between pressure it is larger cause left sealing ring 14 and right sealing ring 15 relative to panel 4 slide the case where appearance, keep away left 14 He of sealing ring
Right 15 rapid wear of sealing ring.
As shown in fig. 7, be equipped with groove 16 in the front wheel 12 and rear roller 13, left sealing ring 14 and right sealing ring 15
In in corresponding groove 16, rubber layer 18 is wrapped up on 17 external cylindrical surface of roller, is equipped between front wheel 12 and rear roller 13 driven
Wheel 19, is rotatablely connected, driven wheel 19 is symmetrically distributed between driven wheel 19 and push plate 7.First groove 16 can prevent left close
Seal ring 14 and right sealing ring 15 tamper on front wheel 12 and rear roller 13, and good reliability, rubber layer 18 can be good at sealing
Gap between front wheel 12 and rear roller 13 and panel 4 prevents sundries from entering in electric performance test platform 3, driven wheel 19
It ensure that the palette between left sealing ring 14 and right sealing ring 15 and panel 4, sealing effect is good.
Stepless voltage regulation electrical performance test system detecting step is as follows:
1) according to electricity function index to be tested, testing scheme is set at industrial personal computer 1；2) tested electric energy meter is put
It sets in corresponding test station 5；3) essential information of tested electric energy meter is set on industrial personal computer 1, and selects to set in step 1)
The testing scheme set；4) electric performance test platform 3 carries out electricity according to the essential information for the tested electric energy meter being arranged on industrial personal computer 1
Can table and 5 forceful electric power of test station and light current terminal crimp；If being detected using G4, need using the artificial mode of connection,
Forceful electric power and light current terminal to electric energy meter carry out consistent termination；5) power source 2 generates corresponding electricity according to the testing scheme of industrial personal computer 1
Pressure, electric current, and electric performance test platform 3 is outputed it to, start electric performance test；6) electric energy built in industrial personal computer 1 is utilized
Table data reading system unit carries out the real-time copy reading of data to the electric energy meter of operation, can the data item of copy reading as needed establish son
Scheme realizes the automatic copy reading of data, by calling directly subscheme to improve detection efficiency.
In the description of this invention, it should be noted that the orientation of the instructions such as term "left", "right", "upper", "lower" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected, can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Claims (8)
1. a kind of stepless voltage regulation electrical performance test system, characterized in that including industrial personal computer (1), power source (2) and electric property
Testboard (3), the interior electric parameter that is equipped with of the industrial personal computer (1) freely adjust unit, electric energy meter electric performance test scheme unit
With electric energy meter data reading system unit；The power source (2) is stepless voltage regulation power source, and power source is built-in with signal generating unit；
Electric performance test platform (3) includes panel (4), test station (5) and current monitoring module.
2. a kind of stepless voltage regulation electrical performance test system according to claim 1, characterized in that the power source (2)
It is connected with industrial personal computer (1) by conducting wire, power source (2) receives voltage, electric current and the phase angle signal that industrial personal computer (1) issues, function
The signal generating unit in rate source (2) exports corresponding voltage, electric current and power, while power source (2) will test result data and return
Back to industrial personal computer (1).
3. a kind of stepless voltage regulation electrical performance test system according to claim 1, characterized in that the electric property is surveyed
Test stand (3) is connect with power source (2) by conducting wire, and power source (2), which exports the voltage of generation, electric current, gives electric performance test platform
(3), electric performance test platform (3) provides voltage and current for detected electric energy meter, while electric performance test platform (3) will be electric
The pulse signal of energy table feeds back to power source (2)；
There are four test station (5), including G1, G2, G3 and G4 for electric performance test platform (3) tool.
4. a kind of stepless voltage regulation electrical performance test system according to claim 3, characterized in that the electric property is surveyed
Test stand (3) is connect with industrial personal computer (1) by conducting wire, and electric performance test platform (3) is according to electric energy meter electric property in industrial personal computer (1)
The electric energy meter that test station (5) is corresponded in the control of testing scheme set by testing scheme unit electric performance test platform (3) is inserted
It connects, while industrial personal computer (1) passes through the metering and function related data in conducting wire copy reading electric energy meter.
5. a kind of stepless voltage regulation electrical performance test system according to any one of claims 1-4, characterized in that described
Panel (4), which is located above test station (5), is equipped with opening (6), and plug-in connection is equipped at opening (6).
6. a kind of stepless voltage regulation electrical performance test system according to claim 5, characterized in that the plug-in connection packet
Push plate (7) and hydraulic cylinder (8) are included, push plate (7) covers all opening (6), is equipped with sliding block (9) at left and right sides of push plate (7), panel
(4) position corresponding with sliding block (9) is equipped with slideway (10) on, and sliding block (9) and slideway (10) cooperate, and the hydraulic cylinder (8) is located at
Below panel (4), hingedly, hydraulic cylinder (8) tailpiece of the piston rod and push plate (7) are hingedly, described for hydraulic cylinder (8) cylinder body end and panel (4)
Sealing mechanism is equipped between push plate (7) and hydraulic cylinder (8).
7. a kind of stepless voltage regulation electrical performance test system according to claim 6, characterized in that the sealing mechanism packet
Include front wheel (12), rear roller (13), left sealing ring (14) and right sealing ring (15), the front wheel (12) and rear roller (13)
Be rotatablely connected between push plate (7), front wheel (12) is symmetrical set there are two, rear roller (13) is symmetrical to be equipped with two
A, the front wheel (12) and rear roller (13) in left sealing ring (14) and left side cooperate, the front wheel of right sealing ring (15) and right side
(12) it is covered with rear roller (13) cooperation, the front wheel (12), rear roller (13), left sealing ring (14) and right sealing ring (15)
Rectangular seal region is formed on the outside of opening (6), is connected by roller (17) between rear roller (13) between front wheel (12)
It connects.
8. a kind of stepless voltage regulation electrical performance test system according to claim 7, characterized in that the front wheel (12)
Groove (16) are equipped with in rear roller (13), left sealing ring (14) and right sealing ring (15) are located in corresponding groove (16), rolling
Rubber layer (18) are wrapped up on column (17) external cylindrical surface, are equipped with driven wheel (19) between front wheel (12) and rear roller (13), it is driven
It is rotatablely connected between wheel (19) and push plate (7), driven wheel (19) bilateral symmetry is distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652656.XA CN109061542A (en) | 2018-06-22 | 2018-06-22 | A kind of stepless voltage regulation electrical performance test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652656.XA CN109061542A (en) | 2018-06-22 | 2018-06-22 | A kind of stepless voltage regulation electrical performance test system |
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| Publication Number | Publication Date |
|---|---|
| CN109061542A true CN109061542A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810652656.XA Pending CN109061542A (en) | 2018-06-22 | 2018-06-22 | A kind of stepless voltage regulation electrical performance test system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540103A (en) * | 2010-12-09 | 2012-07-04 | 西安中科麦特电子技术设备有限公司 | Novel light emitting diode (LED) switching power supply test system |
| CN204166120U (en) * | 2013-09-30 | 2015-02-18 | 珠海市科荟电器有限公司 | A kind of single-phase electric energy meter on-site pick-up unit |
| CN206020649U (en) * | 2016-09-20 | 2017-03-15 | 国网新疆电力公司乌鲁木齐供电公司 | Electric energy meter debugging testboard |
| CN106842103A (en) * | 2016-12-19 | 2017-06-13 | 广东电网有限责任公司电力科学研究院 | A kind of three-phase electric energy meter dynamic property calibrating installation and system |
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2018
- 2018-06-22 CN CN201810652656.XA patent/CN109061542A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540103A (en) * | 2010-12-09 | 2012-07-04 | 西安中科麦特电子技术设备有限公司 | Novel light emitting diode (LED) switching power supply test system |
| CN204166120U (en) * | 2013-09-30 | 2015-02-18 | 珠海市科荟电器有限公司 | A kind of single-phase electric energy meter on-site pick-up unit |
| CN206020649U (en) * | 2016-09-20 | 2017-03-15 | 国网新疆电力公司乌鲁木齐供电公司 | Electric energy meter debugging testboard |
| CN106842103A (en) * | 2016-12-19 | 2017-06-13 | 广东电网有限责任公司电力科学研究院 | A kind of three-phase electric energy meter dynamic property calibrating installation and system |
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Application publication date: 20181221 |