CN205038334U - Electric energy meter high and low temperature environment influence quantity test device - Google Patents
Electric energy meter high and low temperature environment influence quantity test device Download PDFInfo
- Publication number
- CN205038334U CN205038334U CN201520811183.5U CN201520811183U CN205038334U CN 205038334 U CN205038334 U CN 205038334U CN 201520811183 U CN201520811183 U CN 201520811183U CN 205038334 U CN205038334 U CN 205038334U
- Authority
- CN
- China
- Prior art keywords
- electric energy
- energy meter
- low temperature
- measurand
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses an electric energy meter high and low temperature environment influence quantity test device, central unit is controlled including always, with control computer, power module, standard table, error measured module and the measurand of always controlling central unit connection, the central unit of total accuse and control computer, power module, standard table, error measured module and measurand between be the both way junction respectively, the measurand lie in the damp and hot incasement of high low temperature reversal, the damp and hot incasement of high low temperature reversal be provided with the atmospheric control unit of being connected with power module simultaneously. The utility model provides a simple structure, convenient operation's electric energy meter high and low temperature environment influence quantity test device realizes the test of electric energy meter under - 70 DEG C ~150 DEG C environment, passes test, compares according to the pilot project of each electric energy meter of electric energy meter test national standard, and the error of measureing the electric energy meter changes to measure the quality of electric energy meter more fully.
Description
Technical field
The utility model relates to a kind of experimental provision field of carrying out examining and determine for electric energy meter, acquisition terminal or concentrator in specific environment, is specially a kind of for carrying out the device tested in electric energy meter, acquisition terminal and concentrator are in the environment of-70 DEG C ~ 150 DEG C of high/low temperature.
Background technology
Along with the development of power technology, electric energy meter is widely used at industry-by-industry, and as one of important metering outfit, electric energy meter quality needs to carry out comprehensive investigation.
At present, market is emerged in large numbers a large amount of electric energy meter calibrating apparatus, comprise power frequency magnetic field electric energy meter calibrating apparatus, harmonic test device, electric energy meter high-pressure test device etc., these devices, all at the device carrying out testing in specific environment for electric energy meter, can investigate the parameters of electric energy meter to examine the quality of electric energy meter in different environment comprehensively.But test electric energy meter parameters at different temperatures for electric energy meter, investigation is the problem of needs research at present at different temperature on the impact of the parameters of electric energy meter, and patent CN200820211792.7 discloses
a kind of temperature compensation module of multifunctional electric energy meterbackoff algorithm is adopted to compensate targetedly the electric power data that multifunctional electric energy meter is measured, this patent can ensure the measuring accuracy of multifunctional electric energy meter under harsh temperature conditions, but do not mention and how at different temperature electric energy meter parameters to be tested, and from test data, weigh the quality of electric energy meter quality.
Therefore, for above-mentioned deficiency of the prior art, thering is provided a kind of to test in the environment of high temperature, low temperature for electric energy meter, the device tested with the parameters that can meet Standard to electric energy meter at different temperature, test, has been a urgent problem.
Summary of the invention
In order to overcome above-mentioned prior art Problems existing and deficiency, the utility model provides simple, the easy to operate electric energy meter high and low temperature environment influence amount test unit of a kind of structure, meeting electric energy meter under the environment of-70 DEG C ~ 150 DEG C tests, weigh electric energy meter after experience high temperature, low temperature, the change conditions of electric energy meter parameters, thus the quality more fully weighing electric energy meter.
The purpose of this utility model is achieved in that
A kind of electric energy meter high and low temperature environment influence amount test unit, comprise overall control center unit 3, the computer for controlling 2 be connected with overall control center unit 3, power module 4, standard scale 5, error measurement module 6 and measurand 9, described overall control center unit 3 and computer for controlling 2, power module 4, standard scale 5, be respectively between error measurement module 6 and measurand 9 and be bi-directionally connected.
Described computer for controlling 2 is connected with data processing print module 1 simultaneously, and data processing print module commonly uses printer, prints, shows Output rusults; Described computer for controlling 2 is connected with overall control center unit 3 by RS-232 interface; Described power module selects programme control precision power supply, is connected with overall control center unit by can bus, provides working current, voltage to standard scale 5 and measurand 9 simultaneously.
Described power module 4 is connection standard table 5, error measurement module 6 and measurand 9 simultaneously; For being bi-directionally connected between described standard scale 5 and error measurement module 6.
Described error measurement module 6 connects measurand 9, and and for being bi-directionally connected between measurand 9.
Described measurand 9 is positioned at high/low temperature Alternate hot and humid case 7, is provided with the Temperature and Humidity Control unit 8 be connected with power module 4 in described high/low temperature Alternate hot and humid case 7 simultaneously.
Described measurand 9 is by school electric energy meter, and described is separately positioned in multiple electric energy meter bit location be set up in parallel by school electric energy meter; The mode that electric energy meter powers on comprises soft wiring and automatically connects takes out stitches:
The mode of described soft wiring comprise soft wiring carry out powering on or arrange automatically connect, unit of taking out stitches, power on by automatically connecing, taking out stitches unit.
Described connects the mode of taking out stitches automatically: comprise electric wire connecting junction base, and described electric wire connecting junction base is provided with test probe group; The position of described test probe group is corresponding with the calibrating position of proofread connection box of electric energy meter terminal to be detected on electric energy meter bit location.
Described high/low temperature Alternate hot and humid case 7 is provided with the external adapter line of SIM card, described SIM card external adapter line one end is connected in high/low temperature Alternate hot and humid case 7, the other end connects the SIM card be arranged on outside high/low temperature Alternate hot and humid case 7, and SIM card and the external world carry out exchanges data.
Described measurand 9 comprises by school electric energy meter, acquisition terminal or concentrator.
positive beneficial effect:advantage of the present utility model performance (1) robotization: calibrating installation automatically can realize electric energy meter identification, judges calibrating scheme, location, wiring, examine and determine, take out stitches.(2) handled easily: can be positioned in high/low temperature Alternate hot and humid case by tested table or acquisition terminal or concentrator during operation, close upper chamber door, carries out soft wiring to electric energy meter or uses meter adapting-seat wiring, can test, simple to operate, easy to use; (3) reliability: the demand according to electric energy meter national standard and reality arranges different temperature to electric energy meter, weigh electric energy meter error at different temperature to carry out testing and evaluating, ensure that electric energy metrical accurately with fair and just, be conducive to improving electric energy meter metering public credibility in the whole society; (4) security: testing apparatus and data reliable, credible.Function: device comprises 6 epi-position meter hanging frames, can realize three-phase electric energy meter, terminal, the pocket watch of concentrator, wiring, can draw in the set of signals such as voltage, electric current, pulse, communication, GPRS antenna, for external power supply, error calculation, communication test.Device can be equipped with the external adapter line of SIM card, and SIM card is drawn high-low temperature test chamber.Automatic surface temperature measuring equipment can be matched, complete and affect test function from heat affecting test and temperature rise.
Accompanying drawing explanation
Fig. 1 is block diagram of the present utility model:
In figure be: data processing print module 1, computer for controlling 2, overall control center unit 3, power module 4, standard scale 5, error measurement module 6, high/low temperature Alternate hot and humid case 7, Temperature and Humidity Control unit 8, measurand 9.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further:
As shown in Figure 1, a kind of electric energy meter high and low temperature environment influence amount test unit, comprise overall control center unit 3, the computer for controlling 2 be connected with overall control center unit 3, power module 4, standard scale 5, error measurement module 6 and measurand 9, described overall control center unit 3 and computer for controlling 2, power module 4, standard scale 5, be respectively between error measurement module 6 and measurand 9 and be bi-directionally connected.
Described computer for controlling 2 is connected with data processing print module 1 simultaneously, and data processing print module commonly uses printer, prints, shows Output rusults; Described computer for controlling 2 is connected with overall control center unit 3 by RS-232 interface; Described power module selects programme control precision power supply, is connected with overall control center unit by can bus, provides working current, voltage to standard scale 5 and measurand 9 simultaneously.
Described power module 4 is connection standard table 5, error measurement module 6 and measurand 9 simultaneously; For being bi-directionally connected between described standard scale 5 and error measurement module 6.
Described error measurement module 6 connects measurand 9, and and for being bi-directionally connected between measurand 9.
Described measurand 9 is positioned at high/low temperature Alternate hot and humid case 7, is provided with the Temperature and Humidity Control unit 8 be connected with power module 4 in described high/low temperature Alternate hot and humid case 7 simultaneously.
Described measurand 9 is by school electric energy meter, and described is separately positioned in multiple electric energy meter bit location be set up in parallel by school electric energy meter; The mode that electric energy meter powers on comprises soft wiring and automatically connects takes out stitches:
The mode of described soft wiring comprise soft wiring carry out powering on or arrange automatically connect, unit of taking out stitches, power on by automatically connecing, taking out stitches unit.
Described connects the mode of taking out stitches automatically: comprise electric wire connecting junction base, and described electric wire connecting junction base is provided with test probe group; The position of described test probe group is corresponding with the calibrating position of proofread connection box of electric energy meter terminal to be detected on electric energy meter bit location.
Described high/low temperature Alternate hot and humid case 7 is provided with the external adapter line of SIM card, described SIM card external adapter line one end is connected in high/low temperature Alternate hot and humid case 7, the other end connects the SIM card be arranged on outside high/low temperature Alternate hot and humid case 7, and SIM card can carry out data communication with the external world.
Described measurand 9 comprises by school electric energy meter, acquisition terminal or concentrator.
Error calculation unit module 6 gathers the standard electric energy impulse of standard scale 5 and the electrical energy pulse of calibrated meter simultaneously.
Be placed in high/low temperature Alternate hot and humid case 7 by school electric energy meter, electric energy meter epi-position is provided with in high/low temperature Alternate hot and humid case 7, high/low temperature Alternate hot and humid case 7 maintains electric energy meter and is in certain temperature, is such as in high temperature within the scope of-70 DEG C ~ 150 DEG C or low-temperature condition.
Temperature and Humidity Control unit 8 is placed in high/low temperature Alternate hot and humid case 7, controls temperature and humidity in high/low temperature Alternate hot and humid case.
Carry out connection box of electric energy meter at epitopic units, the mode of artificial soft wiring can be adopted or automatic connection and ripping device is set, automatically connecing and take out stitches.
Error calculation unit module 6 and standard scale 5, tested table is bi-directionally connected, calibrated meter to be positioned in high/low temperature Alternate hot and humid case 7 and to provide calibrated meter electrical energy pulse to error calculating module error measurement module 6, standard scale 5 provides the electric current of work under the control of overall control center unit 3 by power module 4, voltage provides standard electric energy impulse to error measurement module 6, full sized pules with comparatively shown pulse and compared under overall control center unit 3 controls, Output rusults is shown by computer for controlling 2 and can carry out voice message, data processing print module 1 is connected with computer for controlling 2.Device can be equipped with the external adapter line of SIM card, SIM card is drawn high-low temperature test chamber, convenient operation.
The utility model can pilot project comprise: hot test, low-temperature test, cyclic damp heat test, environment temperature on temperature coefficient test in error of time of day impact, single-phase electric energy meter error testing, 20K temperature range, temperature rise affects test function, meet the electric energy meter calibration of national standard GT_17251.322-2008 and national standard GT_17251 series from heat affecting test function, self-heating test error effect etc. requires error testing and pilot project.
Below be described using electric energy meter as embodiment:
The principle of work of this device is: under computing machine or Keyboard Control, and programme control precision power supply provides calibrated meter and standard electric energy meter work required voltage and electric current; Power standard electrical energy pulse is sent into error calculation unit by standard scale, error calculation unit gathers calibrated meter pulse simultaneously and calculates error, the error utilizing electric energy relative method to calculate shows in this locality and uploads to overall control center by high-speed industrial CAN, and control center monitors data at epi-position data monitoring interface, manages and upload to computer disposal; Overall control center mainly completes keystroke handling, computer digital animation, standard scale data processing (voltage, electric current, power, phase place, frequency etc.), gps data process, the collection of epi-position error information, multifunctional meter 485 communicate, voltage and current exports the work such as control, the control of various function test, humiture data acquisition, power consumption data collection; The data collected are delivered to computing machine to process simultaneously.User can carry out data-printing by data processing print module.
The basic technical indicator of this device is as follows:
Device class of accuracy: 0.02 grade/0.05 grade
Epi-position number: 6/12/24/36 epi-position (arranging according to concrete high-low temperature chamber volume)
The tests such as electric energy meter, acquisition terminal, concentrator can be carried out
Taps, connection are drawn
Voltage exports gear: 60V, 100VV, 200V, 400V
Voltage measurement scope 30V ~ 480V
Current range 0.1A, 0.25A, 0.5A, 1A, 2.5A, 5A, 10A, 20A, 50A
Current measuring range 0.01 ~ 50A
Phase output: 0 ~ 359.99 °
Frequency-tuning range: 45.00Hz ~ 60.00Hz
Voltage-regulation fineness: 10%, 1%, 0.1%, 0.01%
Current adjustment fineness: 10%, 1%, 0.1%, 0.01%
Phase adjusted fineness: 10 °, 1 °, 0.1 °, 0.01 °
Frequency adjustment fineness: 10Hz, 1Hz, 0.1Hz, 0.01Hz
Output power stability: 0.02
Voltage wave shape distortion degree≤± 0.5%
Current waveform degree of distortion≤± 0.5%
Output power: voltage: 600VA, electric current: 1500VA
Warm and humid control accuracy: determine according to distinct device parameter
Stream time: >240 hour
2, functional block
1) computer for controlling
Be a kind of conventional personal computer, its hardware configuration is mainstream configuration, installs special PC and to calibrate for error software.
2) programme control precision power supply
The principle of work of concrete harmonic wave is: sine wave is got data by every 0.1 degree and quantizes, one-period totally 3600 as first-harmonic, then the harmonic component that user is arranged is added on first-harmonic respectively, as Wave data, under frequency and phase circuit control, generate signal waveform through D/A conversion and filtering circuit, the waveform of generation is delivered to after power amplifier amplifies and is exported, and namely the voltage and current signal of output can be used for the verification of various electric energy meter.
The groundwork process of digital power: CPU controls the various orders that reception user sends, and control waveform synthesizes, frequency plot exports, and the voltage and current of output is met the requirements; After the waveform produced send enlarge leadingly, so that signal can drive calibrated meter and standard scale.
3) standard electric energy meter
Standard single-phase electric energy meter has standard commercialized product.Standard single-phase electric energy meter, is made up of measuring unit and data processing unit etc. for core with built-in microprocessor, the relative calibrated meter of its class of accuracy to exceed two grades and more than.
4) epi-position
Epi-position, for placing multiple electric energy meter, can adopt the mode of soft wiring to power on to electric energy meter; Or arrange automatically connect, unit of taking out stitches, automatically connect and take out stitches.
Arrange automatically connect, the technical scheme of unit connection of taking out stitches is as follows:
Automatically connect, unit connection device base of taking out stitches is provided with test probe group, the position of test probe group is corresponding with the calibrating position of connection box of electric energy meter terminal hole group to be checked on meter containing installation.In the terminals sub-aperture group of the test probe group access electric energy meter of calibrating installation, the voltage of connection box of electric energy meter terminal, electric current, pulse wiring, versatile interface, 485 interfaces crimp mutually with external tapping respectively, all connection box of electric energy meter terminals are pressed, do not inside contract, and connection terminal Compression Stability, evenly, reliable.
5) by school electric energy meter
Target of the present invention by school electric energy meter, with built-in microprocessor for core, be made up of measuring unit and data processing unit etc., except the forward and reverse active energy of metering, also there is the two or more function such as timesharing, step price, and can show, storage of electrical energy value.
6) error calculation unit module
Error Calculator has standard commercialized product.
Error calculation unit is used for input standard electric energy meter and by the pulse value of school electric energy meter under various different load, by comparing the error amount calculated by school electric energy meter.
7) data processing print module
Data outputting module adopts General miniature printer for computer to complete the printing of calibration result.General miniature printer for computer has standard commercialized product.
8) high/low temperature Alternate hot and humid case
Explanation about high/low temperature Alternate hot and humid case: be mature technology on market, be inside provided with Temperature and Humidity Control unit, epitopic units etc.
electric energy meter industry Special high-low temperature test boxbe applicable to compatibility test when electrician, electronic product, components and parts, parts and material thereof store, transport and use under high and low temperature environment, and temperature gradients test.Stress screening test can also be carried out to electronic devices and components.
embodiment 1
Exemplary arrangement below for searching,
One, product specification: shape dimension D × W × H450 × 450 × 500:mm physical dimension D × W × H1100 × 900 × 1600:mm in (optionally) model GDJS-100
Temperature range (optionally): (scope by maximum) 0 DEG C ~ 150 DEG C-20 DEG C ~ 150 DEG C-40 DEG C ~ 150 DEG C-60 DEG C ~ 150 DEG C-70 DEG C ~ 150 DEG C
Two, high/low temperature Alternate hot and humid box technology parameter: 1. humidity range: 30% ~ 98%R.H2. temperature fluctuation :≤± 0.5 DEG C of 3. temperature uniformity :≤± 2 DEG C of 4. temperature deviations :≤± 1.5 DEG C of 5. relative humidity fluctuations :+2 ,-3%R.H6. heating rate: 1.0 ~ 3.0 DEG C/min7. rate of temperature fall: 0.7 ~ 1.2 DEG C/min8. humidity alternation scope: 40% ~ 98%R.H9. time setting range: 0 ~ 9999 hour 10. power requirement: AC380(± 10%) V/50HZ three-phase five-wire mode
Three, casing material: 1. shell all adopts the machine-shaping of high-quality A3 steel plate numerically-controlled machine, and case surface carries out the process of electrostatic prevention plastic-blasting, more aobvious bright and clean, attractive in appearance; 2. inner bag adopts high-quality SUS304 mirror face stainless steel plate; 3. be incubated material selection high-density glass cellucotton, insulation thickness is 100mm; 4. the humiture circulation system adopts special air-conditioning-type low noise major axis fan electromotor, the stainless steel Multivane impeller of high-low temperature resistant, to reach intensity convection current vertical diffusion circulation; 5. and between casing, adopt double-deck high temperature resistant hypertonicity sealing strip to guarantee the airtight of test section; 6. adopt low-disturbance door handle, it is easier to operate; 7. robot base adopts high-quality fixable type PU castor; 8. view window adopts multilayer hollow tempered glass, inner side gummed chip conducting film heating defrosting (clear view process of the test); 9. instrument connection (on the left of machine) can external testing power supply line or signal wire use (aperture or hole count must increase needs instruction);
Four, control system: 1. Temperature and Humidity Control instrument adopts " the original-pack TEMI880 of Korea S " big screen LCD, and programmable microcomputer P.I.D control S.S.R exports operation, full import large lcd touch screen picture, and editor is easy for screen formula simple to operate; 2. precision: 0.1 DEG C (indication range); 3. resolution: ± 0.1 DEG C; 4. temperature sensing sensor: PT100 platinum resistance temperature detector; 5. control mode: thermal equilibrium conditioning mode, all electrical equipment all adopts (Schneider) series of products; 6. Temperature and Humidity Control adopts P.I.D+S.S.R system same frequency road cooperation control; 7. there is the function of auto computing, humiture change condition can be revised immediately, make Temperature and Humidity Control more precise and stable; 8. controller operation interface establishes Chinese and English available, and real-time motion curve map can by screen display; 9. there are 100 groups of formulas, often organize the capacity of 100 sections, every section 999 steps capable of circulation, every section of time setting maximal value be 99 hours 59 points; 10. after data and test condition input, controller has fluorescent screen lock function, avoids artificial touch and shuts down; 11. have RS-232 or RS-485 telecommunication interface, can design formula on computers, monitor process of the test and perform the functions such as automatic switching; 12. controllers have the automatic screensaver functions in fluorescent screen, better protect liquid crystal display (make its life-span more permanent) under long-play state; 13. chamber return air inlets have automatic defrosting device (water vapor produced during test so just can be made can not to be gathered on refrigerating evaporator, produce ice and block up phenomenon);
Five, heating system: 1. adopt far infrared nickel alloy to heat at a high speed electric heater; 2. the complete autonomous system of high temperature, does not affect low-temperature test, damp heat test, Alternating Test; 3. Temperature and Humidity Control output power is calculated by micro computer, to reach the electricity consumption benefit of high precision and high-level efficiency;
Six, humidification system: 1. built-in boiler steam-type humidifier; 2. there is water level auto-compensation, shortage alarming system; 3. far infrared stainless steel is heated at a high speed electrothermal tube; 4. humid control all adopts P.I.D+S.S.R, system same frequency road cooperation control;
Seven, high/low temperature Alternate hot and humid case refrigeration system: 1. compressor: the safe health unit of totally-enclosed original-pack France; 2. refrigeration modes: single (two) mechanism cold (Wind-cooling type); 3. condensing mode: air blast cooling but; 4. cold-producing medium: R404A, R23(environment-friendly type); 5. system pipeline is all made ventilation pressurization 48H and to be stopped leakage in the roof test; 6. heat, cooling system is completely independent; 7. inner-spiral type refrigerant copper pipe; 8. slope-based evaporator; 9. device for drying and filtering, cold medium flux form, repairing valve, oil separator, solenoid valve, surge drum all adopt import original part; 10. dehumidification system: adopt evaporator coil dewpoint temperature contacting laminar flow dehumidification mode; Start R404A, R23 during 11. cooling, only start R404A(during dehumidifying and save energy and reduce the cost);
Eight, protection system: 1. blower fan overheating protection; 2. integral device loss phase/anti-phase protection; 3. refrigeration system overload protection; 4. refrigeration system overpressure protection; 5. integral device timing; 6. water pump is overheated, overcurrent protection; 7. other also has electric leakage, lack of water, operation to indicate, the protection such as auto stop after fault alarm;
Nine, equipment use condition: 1. environment temperature: 5 DEG C ~+28 DEG C (in 24 hours medial temperature≤28 DEG C) 2. ambient humidity :≤85%R.H
Temperature and Humidity Control unit is the function that casing carries.
Two, process
This method is the process approach carrying out electric energy meter thermocycling, comprises the following steps:
Start;
1, verification task is assigned, and arranges the test environment temperature of electric energy meter, assigns electric energy meter Detection task.
2, material loading, namely client will be positioned in high/low temperature Alternate hot and humid case by school electric energy meter, close upper chamber door,
3, power on, modules is powered, make it be in normal duty.
4, according to electric energy meter pilot country standard to electric energy meter carry out hot test, low-temperature test, variation damp and hot, from heat affecting, humidity coefficient, test under the environment such as temperature gradients, also comprise high/low temperature cyclic test etc.
5, test is started, start after calibrating for error, device controls the electric current of process control programme control precision power supply by inspection software in computer for controlling, voltage exports standard electric energy meter to and by school electric energy meter, make it outputting standard pulse and by comparatively pulse is to Error Calculator, Error Calculator calculates by school electric energy meter error value by relative method; Comprise other processs of the test whether table meter has shunt running;
5, error result display, compares with standard value, compares test data to weigh electric energy meter quality according to industry standard.
6, terminate.
The utility model has the following advantages: (1) robotization: calibrating installation automatically can realize electric energy meter identification, judges calibrating scheme, location, wiring, examine and determine, take out stitches.(2) handled easily: can tested table or acquisition terminal or concentrator are positioned in high/low temperature Alternate hot and humid case during operation, close upper chamber door, can test, simple to operate, easy to use; (3) reliability: the demand according to electric energy meter national standard and reality arranges different temperature to electric energy meter, weigh electric energy meter error at different temperature to carry out testing and evaluating, ensure that electric energy metrical accurately with fair and just, be conducive to improving electric energy meter metering public credibility in the whole society; (4) security: testing apparatus and data reliable, credible.Function: device comprises 6 epi-position meter hanging frames, can realize three-phase electric energy meter, terminal, the pocket watch of concentrator, wiring, can draw in the set of signals such as voltage, electric current, pulse, communication, GPRS antenna, for external power supply, error calculation, communication test.Device can be equipped with the external adapter line of SIM card, and SIM card is drawn high-low temperature test chamber.Automatic surface temperature measuring equipment can be matched, complete and affect test function from heat affecting test and temperature rise.Pilot project: hot test, low-temperature test, cyclic damp heat test, environment temperature on temperature coefficient test in error of time of day impact, single-phase electric energy meter error testing, 20K temperature range, temperature rise affect test function, meet the sharp electric energy meter calibration of national standard GT_17251.322-2008 and national standard GT_17251 system from heat affecting test function, self-heating test error effect etc. requires error testing and pilot project.
Although the foregoing describe the specific embodiment of the present invention, but those skilled in the art is to be understood that, these embodiments only illustrate, those skilled in the art, when not departing from principle of the present invention and essence, can carry out various omission, replacement and change to the details of said method and system.Such as, merge said method step, thus then belong to scope of the present invention according to the function that the method that essence is identical performs essence identical to realize the identical result of essence.Therefore, scope of the present invention is only defined by the appended claims.
Claims (8)
1. an electric energy meter high and low temperature environment influence amount test unit, it is characterized in that: comprise overall control center unit (3), the computer for controlling (2) be connected with overall control center unit (3), power module (4), standard scale (5), error measurement module (6) and measurand (9), described overall control center unit (3) and computer for controlling (2), power module (4), standard scale (5), be respectively between error measurement module (6) and measurand (9) and be bi-directionally connected; Described measurand (9) is positioned at high/low temperature Alternate hot and humid case (7), is provided with the Temperature and Humidity Control unit (8) be connected with power module (4) in described high/low temperature Alternate hot and humid case (7) simultaneously.
2. a kind of electric energy meter high and low temperature environment influence amount test unit according to claim 1, is characterized in that: described computer for controlling (2) is connected with data processing print module (1) simultaneously; Described computer for controlling (2) is connected with overall control center unit (3) by RS-232 interface; Described power module (4) selects programme control precision power supply, is connected with overall control center unit by can bus, provides working current, voltage to standard scale (5) and measurand (9) simultaneously.
3. a kind of electric energy meter high and low temperature environment influence amount test unit according to claim 1 and 2, is characterized in that: described power module (4) is connection standard table (5), error measurement module (6) and measurand (9) simultaneously; For being bi-directionally connected between described standard scale (5) and error measurement module (6).
4. a kind of electric energy meter high and low temperature environment influence amount test unit according to claim 1, is characterized in that: described error measurement module (6) connects measurand (9), and and for being bi-directionally connected between measurand (9).
5. a kind of electric energy meter high and low temperature environment influence amount test unit according to claim 1, is characterized in that: described measurand (9) is that described is separately positioned in multiple electric energy meter bit location be set up in parallel by school electric energy meter by school electric energy meter; The mode that electric energy meter powers on comprises soft wiring and automatically connects takes out stitches.
6. a kind of electric energy meter high and low temperature environment influence amount test unit according to claim 5, is characterized in that: the mode of described soft wiring comprise soft wiring carry out powering on or arrange automatically connect, unit of taking out stitches, power on by automatically connecing, taking out stitches unit; Described connects the mode of taking out stitches automatically: comprise electric wire connecting junction base, and described electric wire connecting junction base is provided with test probe group; The position of described test probe group is corresponding with the calibrating position of proofread connection box of electric energy meter terminal to be detected on electric energy meter bit location.
7. a kind of electric energy meter high and low temperature environment influence amount test unit according to claim 1, it is characterized in that: described high/low temperature Alternate hot and humid case (7) is provided with the external adapter line of SIM card, described SIM card external adapter line one end is connected in high/low temperature Alternate hot and humid case (7), and other end connection is arranged on high/low temperature Alternate hot and humid case (7) SIM card outward.
8. a kind of electric energy meter high and low temperature environment influence amount test unit according to claim 1, is characterized in that: described measurand (9) comprises by school electric energy meter, acquisition terminal or concentrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811183.5U CN205038334U (en) | 2015-10-19 | 2015-10-19 | Electric energy meter high and low temperature environment influence quantity test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811183.5U CN205038334U (en) | 2015-10-19 | 2015-10-19 | Electric energy meter high and low temperature environment influence quantity test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205038334U true CN205038334U (en) | 2016-02-17 |
Family
ID=55297229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520811183.5U Expired - Fee Related CN205038334U (en) | 2015-10-19 | 2015-10-19 | Electric energy meter high and low temperature environment influence quantity test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205038334U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291440A (en) * | 2016-07-27 | 2017-01-04 | 国网重庆市电力公司电力科学研究院 | A kind of electric energy meter environmental suitability evaluating platform |
| CN106443567A (en) * | 2016-12-02 | 2017-02-22 | 国网安徽省电力公司电力科学研究院 | Real-load test system for electric energy meters |
| CN106501763A (en) * | 2017-01-05 | 2017-03-15 | 云南电网有限责任公司电力科学研究院 | A kind of electric energy meter calibration method and system based on climatic simulation |
| CN107064849A (en) * | 2017-03-15 | 2017-08-18 | 平高集团有限公司 | Electronic current mutual inductor check system and calibration equipment |
| CN108196219A (en) * | 2018-02-12 | 2018-06-22 | 国网浙江省电力有限公司电力科学研究院 | Intelligent electric energy meter sampling performance test automatic detection system |
| CN110007263A (en) * | 2019-05-17 | 2019-07-12 | 贵州电网有限责任公司 | The test device and method that voltage flicker and temperature influence electric energy meter measurement error |
| CN110031792A (en) * | 2019-05-17 | 2019-07-19 | 贵州电网有限责任公司 | Consider the Basic Error of Energy Meter test device and method of temperature and curent change |
| CN110488176A (en) * | 2019-08-02 | 2019-11-22 | 上海芯旺微电子技术有限公司 | A kind of integrated circuit testing plate and its application method |
| CN111562542A (en) * | 2020-05-31 | 2020-08-21 | 宁夏隆基宁光仪表股份有限公司 | Electric energy meter fault excitation test environment construction system and method |
| CN111693803A (en) * | 2020-05-26 | 2020-09-22 | 日立楼宇技术（广州）有限公司 | High-low temperature damp-heat test system, test control method and fault protection method |
-
2015
- 2015-10-19 CN CN201520811183.5U patent/CN205038334U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291440A (en) * | 2016-07-27 | 2017-01-04 | 国网重庆市电力公司电力科学研究院 | A kind of electric energy meter environmental suitability evaluating platform |
| CN106443567A (en) * | 2016-12-02 | 2017-02-22 | 国网安徽省电力公司电力科学研究院 | Real-load test system for electric energy meters |
| CN106443567B (en) * | 2016-12-02 | 2023-06-16 | 国网安徽省电力公司电力科学研究院 | Real load test system of electric energy meter |
| CN106501763A (en) * | 2017-01-05 | 2017-03-15 | 云南电网有限责任公司电力科学研究院 | A kind of electric energy meter calibration method and system based on climatic simulation |
| CN107064849A (en) * | 2017-03-15 | 2017-08-18 | 平高集团有限公司 | Electronic current mutual inductor check system and calibration equipment |
| CN108196219A (en) * | 2018-02-12 | 2018-06-22 | 国网浙江省电力有限公司电力科学研究院 | Intelligent electric energy meter sampling performance test automatic detection system |
| CN110007263A (en) * | 2019-05-17 | 2019-07-12 | 贵州电网有限责任公司 | The test device and method that voltage flicker and temperature influence electric energy meter measurement error |
| CN110031792A (en) * | 2019-05-17 | 2019-07-19 | 贵州电网有限责任公司 | Consider the Basic Error of Energy Meter test device and method of temperature and curent change |
| CN110488176A (en) * | 2019-08-02 | 2019-11-22 | 上海芯旺微电子技术有限公司 | A kind of integrated circuit testing plate and its application method |
| CN111693803A (en) * | 2020-05-26 | 2020-09-22 | 日立楼宇技术（广州）有限公司 | High-low temperature damp-heat test system, test control method and fault protection method |
| CN111562542A (en) * | 2020-05-31 | 2020-08-21 | 宁夏隆基宁光仪表股份有限公司 | Electric energy meter fault excitation test environment construction system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205038334U (en) | Electric energy meter high and low temperature environment influence quantity test device | |
| CN201673133U (en) | Heat transfer coefficient detector of building retaining structure | |
| CN101319969B (en) | Fast appraisement method and device for refrigeration quality of miniature compression type refrigeration apparatus | |
| CN103675435B (en) | Frequency-variable air conditioner outdoor machine and the self-checking system of complete machine power consumption thereof and method | |
| CN203673061U (en) | Onsite detecting system for electric energy meter | |
| CN103063374B (en) | The seal performance tester of a kind of band temperature compensation function and sealing property method of testing | |
| CN203441798U (en) | Fan efficiency on-line measuring device based on wireless communication | |
| CN204359542U (en) | A kind of Real-Time Monitoring is in the detection system by household air-conditioner parameter | |
| CN105607027A (en) | High-low temperature weather effect testing device for electric energy meter | |
| CN205643684U (en) | Electric energy meter reliability testing system | |
| CN204188393U (en) | Portable air-conditioning equipment performance pick-up unit | |
| CN205374562U (en) | Change electric energy meter electric quantity compensation arrangement on line | |
| CN108802281A (en) | A kind of intelligence air moisture content measuring device | |
| CN202929142U (en) | Performance testing apparatus of inverter circuit | |
| CN105137507A (en) | Automatic system for measuring starting and wind speed characteristics of cup type wind speed sensor | |
| Mubarok et al. | Prototype Design of IoT (Internet of Things)-based Load Monitoring System | |
| CN106959428B (en) | Fault excitation testing device for electric energy meter | |
| CN206583844U (en) | Steam quality test equipment and system | |
| CN201188038Y (en) | System for detecting heat dissipating capacity of heating radiator | |
| CN207779442U (en) | A kind of building energy-efficiency detection device | |
| CN208350982U (en) | A kind of detection device of electric energy meter under cryogenic conditions | |
| CN209460222U (en) | The portable detector of environmentally friendly mix insulation gas purity | |
| CN206639070U (en) | Used in nuclear power station oil surface thermostat automatic calibrator | |
| CN106353360A (en) | Testing device for thermal expansion coefficient of irregular-shaped material at low temperature | |
| CN203396943U (en) | Electric energy meter verification system |
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: 20160217 Termination date: 20181019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |