CN106656037A - Photovoltaic assembly welding quality measurement device and method for performing quality detection by applying same - Google Patents
Photovoltaic assembly welding quality measurement device and method for performing quality detection by applying same Download PDFInfo
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- CN106656037A CN106656037A CN201610831000.5A CN201610831000A CN106656037A CN 106656037 A CN106656037 A CN 106656037A CN 201610831000 A CN201610831000 A CN 201610831000A CN 106656037 A CN106656037 A CN 106656037A
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- 238000003466 welding Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005259 measurement Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 title abstract description 8
- 238000005070 sampling Methods 0.000 claims abstract description 22
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 30
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 30
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 30
- 238000012545 processing Methods 0.000 claims description 10
- 238000012372 quality testing Methods 0.000 claims description 8
- 238000004088 simulation Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 238000012360 testing method Methods 0.000 description 22
- 229910000679 solder Inorganic materials 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 206010063493 Premature ageing Diseases 0.000 description 3
- 208000032038 Premature aging Diseases 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000009658 destructive testing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000001931 thermography Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- ZCJJIQHVZCFSGZ-UHFFFAOYSA-N 2,8-bis(diphenylphosphoryl)dibenzothiophene Chemical compound C=1C=CC=CC=1P(C=1C=C2C3=CC(=CC=C3SC2=CC=1)P(=O)(C=1C=CC=CC=1)C=1C=CC=CC=1)(=O)C1=CC=CC=C1 ZCJJIQHVZCFSGZ-UHFFFAOYSA-N 0.000 description 1
- 241001354471 Pseudobahia Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a photovoltaic assembly welding quality measurement device and a method for performing quality detection by applying the same, and relates to the technical field of a detection method for solar batteries. The method comprises the steps of performing equivalence on voltage and current values at a dry joint of an assembly through additionally arranging a current source for the assembly, performing multiple steps of adjustment on the device and a sampling element, enabling welding impedance of the assembly to be equivalent to an external circuit, sampling corresponding equivalent voltage and current, calculating a dry joint impedance value of the assembly, thus judging the welding quality of the assembly, and acquiring whether the assembly has a dry joint or not. The method disclosed by the invention does not damages the photovoltaic assembly, and is simple to operate, convenient to use, safe and reliable.
Description
Technical field
The present invention relates to the detection method technical field of solaode, more particularly to a kind of survey of welding photovoltaic component quality
Amount device and the method for carrying out quality testing using the device.
Background technology
At present, photovoltaic module and rosette feature are：Common photovoltaic module is to use photovoltaic welding belt and convergent belt by the sun
After battery Series connection welding, then got up with material packages such as glass, EVA, backboard, frames, incited somebody to action by rosette, adapter afterwards
Battery plus-negative plate is drawn.During welding battery, there is the phenomenon of rosin joint, solder skip.Because solar cell self character " is being shown in
Output itself carries certain voltage, electric current in the case of light, and increases with light intensity increase ", such interior welds quality
Quality be unable to the instrument direct detection such as circuit tester.
At present for the component produced using casting glue rosette, because rosette is less and less, adding needs to use embedding
Silica gel gets up welding with the terminal sealing of rosette, either manual welding and automatic welding, there is rosin joint, solder skip and shows
As.During solder skip open circuit, component is not exported, and can be detected, but rosin joint and local solder skip phenomenon are a difficult problems of production control,
Often through process monitoring, it is controlled by as a very special quality point of production；Finished Components can only be measured with the property of output
Can, it is impossible to measure the phenomenon of rosin joint and local solder skip.
Can not check in a pre-installation if there is the component of rosin joint and local solder skip, then in actual motion, with
The increase of run time, rosin joint and local solder skip position can constantly generate heat, or even burn rosette, component can not normal work
Make, affect generating effect.
One difficult problem of the failure welding of component, always module production process.Manufacturing enterprise's wanting according to quality system
Ask generally using welding process as special procedure, by means such as follow-up of quality list, welding monitoring process control is carried out.For group
The welding quality of part is typically estimated by following three kinds of means：
First, pulling force assessment：
For the welding of solar cell, by controlling welding temperature, sampling measurement welding is estimated with the welding pulling force of battery.
For the welding of rosette, by controlling weld interval, whether connected with tweezers bounce solder joint, and sampling measurement connects
Welding quality is assessed in relay.
2nd, infrared test assessment：
Using the electroluminescent principle of battery, to component plus certain backward voltage, taken pictures by infrared camera, according to figure
The bright-dark degree of picture carries out test assessment.
3rd, thermal imaging assessment
In the case where sunburst irradiates, checked with the mode of thermal imaging, according to the relative height of temperature, whether evaluation component
There are quality problems, it is one of reason that wherein welding quality is bad.
The patent relevant with components welding test is as follows in prior art：
First, the patent No.：201210192248.3 a kind of method of test solar battery component junction box rosin joint
Content is：1. welding position is heated 5～30 minutes using heater, utilize " heat stability of rosin joint position is poor,
In the presence of high temperature, solder joint disconnects, and causes component failures；And weld good component heat stability and compare preferably, normal
Solder joint will not disconnect at a temperature of reaching when component is used " property realize.2. no-voltage qualitatively judges by outfan.
2nd, the patent No.：200510108131.2 the device and method of testing of test pin rosin joint
Content is：A kind of device of test pin rosin joint.1. by three test pencils and two power supplys, a reference resistance series connection groups
Into.2. second row of page 7 is seen, the rosin joint is open circuit, i.e. solder skip；3. test philosophy is by accessing two different circuits, together
When test pencil contact solder joint, by whether change qualitative indicating whether solder skip.
3rd, the patent No.：02122318.1 circuit tester tests rosin joint and short trouble
Content is：1. the detection technique for being embodied with circuit tester resistance indicating value form under circuit board powering-off state；2. operate
In need contact solder joint；3. it is simultaneously a kind of qualitative instruction.
But, the technical disadvantages of measurement assembly welding quality are：
First, tensile test：Pulling force deficiency is a kind of common presentation of failure welding, and actual upper pulling force is sufficiently large also not necessarily to be welded
Connect good（It is possible to external mechanical force to cause）, pulling force is not enough also not necessarily to weld bad（It is possible to battery electrode or welding is special
Property is caused）, contact impedance be only represent welding quality parameter.One be electricity, one be mechanics, close without strict correspondence
System, can only qualitative or substantially judge.
2nd, infrared test and thermal imaging is assessed：This is that whether solar cell and rosette are working properly in evaluation component
A kind of method is varied the reason for cause component cisco unity malfunction.
3rd,《The patent No.：201210192248.3 a kind of method of test solar battery component junction box rosin joint》It is one
Destructive testing is planted, faulty soldered joint premature aging is become into open circuit, test is heat time heating time longer, it is actually a kind of to qualitatively judge,
It is not the test of welding performance.
4th,《The patent No.：200510108131.2 the device and method of testing of test pin rosin joint》、《The patent No.：
02122318.1 circuit tester tests rosin joint and short trouble》Module testing can not be applied.Core is all in circuit board powering-off state
Under, with test pencil directly contact solder joint, carry out qualitative instruction；Actually a kind of test of solder skip, is not the test of rosin joint.
The content of the invention
The technical problem to be solved is to provide a kind of welding photovoltaic component apparatus for measuring quality and using the dress
The method for carrying out quality testing is put, methods described will not destroy the photovoltaic module, simple to operate, esy to use, safe and reliable.
To solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of welding photovoltaic component mass measurement
Device, it is characterised in that：Including analog power and sampling operation unit and data processing and display unit, the analog power and
The tunnels of sampling operation unit negative pole outlet terminal cs2 Fen Wei tetra-, first via Jing voltmeter Ux and the analog sampling operating unit
Positive pole outlet terminal cs1 connection；Second tunnel successively Jing after potentiometer Rt1 and ammeter I0 with double-point double-throw switch K in one
One end connection of individual single knife switch, double-point double-throw switch K is constituted in double-point double-throw switch K after one end connection of two single knife switches
Common port, the common port is connected with the positive pole outlet terminal cs1 of the sampling operation unit；3rd road Jing simulation connections
It is connected with the free end of another single knife switch in the double-point double-throw switch K after box diode D1；4th tunnel Jing current potentials successively
It is divided into three tunnels again after device Rt0, transmitter B0, another hilted broadsword is opened in the first via Jing voltmeter U0 and double-point double-throw switch K
The free end connection of pass；Second tunnel is double with the double-pole Jing after potentiometer Rv2 and simulated solar cell diode group D0 successively
The free end connection of another single knife switch in throw switch K；3rd tunnel successively Jing after potentiometer Rv1 and current source Ax with it is described
The free end connection of another single knife switch in double-point double-throw switch K；Upper two current sample of wherein described transmitter B0
Outfan is a voltage sample point, the current source Ax and institute for the node C of a and b, the transmitter B0 and potentiometer Rv1
The node d for stating double-point double-throw switch K is another voltage sample point, current sample point and voltage sample point through wire with it is described
Data processing and the corresponding sampling end connection of display unit.
The invention also discloses a kind of method that use welding photovoltaic component apparatus for measuring quality carries out quality testing, it is special
Levy is that methods described comprises the steps：
Double-point double-throw switch K in the measurement apparatus is opened, the positive pole outlet terminal cs1 of the measurement apparatus with it is tested
The negative pole connection of component, negative pole outlet terminal cs2 is connected with the positive pole of component；
Observation voltmeter U0, and Primary regulation potentiometer Rv1 and Rv2 are adjusted, make the reading and component output electricity of voltmeter U0
The reading value of pressure table Ux is identical；
Secondary Control potentiometer Rt1 in described device is adjusted to after maximum value, the double-point double-throw switch K in device is closed
Close；
Observation ammeter I0, and Secondary Control potentiometer Rt0 and Rt1 are adjusted, make I0=0；
After having adjusted, Rt0 both end voltages, electric current are input to into data processing for connection end a, b, c, d and display unit is processed,
Data processing and display unit are according to potentiometer Rt0 both end voltages value and flow through the current value of potentiometer Rt0, calculate current potential
The resistance value of device Rt0；
According to the resistance of potentiometer Rt0, component welding quality is judged, if there is rosin joint.
Further technical scheme is：When the ammeter I0 readings are zero, the difference of voltmeter Ux and voltmeter U0
It is worth for the magnitude of voltage at the potentiometer Rt0 two ends, the current value of transmitter B0 collections is the electric current for flowing through the potentiometer Rt0
Value.
Further technical scheme is：When the potentiometer Rt0 resistance values for calculating are more than 50m Ω, represent that component is deposited
In rosin joint.
It is using the beneficial effect produced by above-mentioned technical proposal：Methods described by component impressed current source, and
The multistep of described device is adjusted and sampling element, the voltage, current value at equivalent elements rosin joint, by components welding equivalent impedance
In external circuitses, sample corresponding equivalent voltage, electric current calculate the rosin joint resistance value of component, so as to judge that component is welded
Quality is connect, show that component whether there is rosin joint.
Have an advantage in that：Component lucifuge is not needed, can be tested in working site, using scene；Need not apply
Pulling force external action, can quantitatively indicate impedance magnitude.The destructive testing of premature aging such as need not heat, it is possible to reduce survey
Examination cost.Solder joint need not be contacted, the welding of welding, casting glue sealed terminal box especially for solar cell can be surveyed
Examination.Overcome the insufficient qualitative defect of infrared assessment.
In a word, methods described is simple to operate, esy to use, safe and reliable, facilitates the detection before component finished product warehouse-in, it is to avoid
Component dispatches from the factory with rosin joint and local solder skip hidden danger, so as to safeguard in advance, extends the assembly operating life-span, reduces maintenance cost；
Can be used for component examination and the inspection before live component installation；All photovoltaic module productions and application neck can be widely popularized
Domain.
Description of the drawings
Attachment structure theory diagram when Fig. 1 is module testing described in the embodiment of the present invention；
Fig. 2 is the schematic diagram of analog power and sampling operation unit in embodiment of the present invention described device；
Fig. 3 is the equivalent circuit schematic of solar components；
Attachment structure schematic diagram when Fig. 4 is module testing described in the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment a part of embodiment only of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Many details are elaborated in the following description in order to fully understand the present invention, but the present invention can be with
It is different from alternate manner described here to implement using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
The embodiment of the invention discloses a kind of welding photovoltaic component apparatus for measuring quality, as shown in figure 1, the measurement apparatus
Including analog power and sampling operation unit and data processing and display unit.As shown in Figures 2 and 4, the analog power and adopt
The tunnels of sample operating unit negative pole outlet terminal cs2 Fen Wei tetra-, first via Jing voltmeter Ux and the analog sampling operating unit
Positive pole outlet terminal cs1 connects；Second tunnel successively Jing after potentiometer Rt1 and ammeter I0 with double-point double-throw switch K in one
One end connection of single knife switch, constitutes double-point double-throw switch K's in double-point double-throw switch K after one end connection of two single knife switches
Common port, the common port is connected with the positive pole outlet terminal cs1 of the sampling operation unit；3rd road Jing simulation connection boxes
It is connected with the free end of another single knife switch in the double-point double-throw switch K after diode D1；4th tunnel Jing potentiometers successively
It is divided into three tunnels, another single knife switch in the first via Jing voltmeter U0 and double-point double-throw switch K again after Rt0, transmitter B0
Free end connection；Second tunnel successively Jing after potentiometer Rv2 and simulated solar cell diode group D0 with the DPDT
The free end connection of another single knife switch in switch K；3rd tunnel is double with described Jing after potentiometer Rv1 and current source Ax successively
The free end connection of another single knife switch in double-pole double throw switch K；Upper two current sample of wherein described transmitter B0 is defeated
Go out end for a and b, the transmitter B0 and potentiometer Rv1 node C be a voltage sample point, the current source Ax with it is described
The node d of double-point double-throw switch K is another voltage sample point, and current sample point and voltage sample point are through wire and the number
According to process and the corresponding sampling end connection of display unit.
Current source is connected in series in form with component during beginning, but by the opening of double-point double-throw switch K, makes electric current
Source Ax and voltmeter U0, component and voltmeter Ux form two independent loops；Again by adjusting for the first time, two voltages are contrasted
Table, makes two power supplys identical.
After the completion of first time is adjusted, closed by double-point double-throw switch K, by current source Ax, component and ammeter I0 shapes
Into dual power supply bridge structure.On the basis of dual power supply bridge structure, by Secondary Control so that ammeter I0 readings are 0, so
The Rt0 just welding kesistance Rx1+Rx2 being equivalent on device, that is, Rt0=Rx1+Rx2.In addition protection is devised in device
Circuit includes simulation connection box diode D1 and potentiometer Rt1.
The effect of device is as follows in analog power and sampling operation unit：
Current source Ax：The offer of circuit work power, while simulated assembly output；Simulated solar cell diode group D0：Simulation
Solar cell diode group；Primary regulation uses double-point double-throw switch K with Secondary Control conversion：Primary regulation turns with Secondary Control
Change；Primary regulation potentiometer group Rv, Rv includes two potentiometers Rv1, Rv2, for adjusting resistance sizes, makes current source and group
Part is equivalent；Primary regulation voltmeter U0：Primary regulation is indicated with voltage；Component output voltage meter Ux：Component output voltage refers to
Show；Simulation connection box diode D1：Simulation connection box diode circuit, while playing the effect of protection circuit table；Secondary Control electricity consumption
Flow table I0：Secondary Control is used, and plays bridge current indicative function；Secondary Control potentiometer group Rt, Rt includes two potentiometers
Rt0, Rt1, the welding impedance of Rt0 equivalent elements, the effect of Rt1 protection circuits table；Current transducer B0 is used in output：Acquisition component is welded
The output current of impedance；Terminals cs1, cs2：Interconnection function；Connection end a, b, c, d：Interconnection function；Fig. 3 is solar components
Equivalent circuit schematic, wherein, Rx1 and Rx2 for simulation welding kesistance.
The invention also discloses a kind of method that use welding photovoltaic component apparatus for measuring quality carries out quality testing, including
Following steps：
Double-point double-throw switch K in the measurement apparatus is opened, the positive pole outlet terminal cs1 of the measurement apparatus with it is tested
The negative pole connection of component, negative pole outlet terminal cs2 is connected with the positive pole of component；
Observation voltmeter U0, and Primary regulation potentiometer Rv1 and Rv2 are adjusted, make the reading and component output electricity of voltmeter U0
The reading value of pressure table Ux is identical, and wherein potentiometer Rv1 is coarse adjustment, preferential to adjust；Potentiometer Rv2 is thin tuning, plays auxiliary and makees
With；
Secondary Control potentiometer Rt1 in described device is adjusted to after maximum value, the double-point double-throw switch K in device is closed
Close；
Observation ammeter I0, and Secondary Control potentiometer Rt0 and Rt1 are adjusted, I0=0 is made, wherein, potentiometer Rt0 is homophony,
Potentiometer Rt1 is thin tuning, is helped out；
After having adjusted, Rt0 both end voltages, electric current are input to into data processing for connection end a, b, c, d and display unit is processed,
Data processing and display unit are according to potentiometer Rt0 both end voltages value and flow through the current value of potentiometer Rt0, calculate current potential
The resistance value of device Rt0；
According to the resistance value of potentiometer Rt0, component welding quality is judged, if there is rosin joint.
Additionally, when the ammeter I0 readings are zero, the difference of voltmeter Ux and voltmeter U0 is the potentiometer Rt0
The magnitude of voltage at two ends, the current value of transmitter B0 collections is the current value for flowing through the potentiometer Rt0.When the potentiometer for calculating
When Rt0 resistance values are more than 50m Ω, represent that component has rosin joint.
Methods described is by component impressed current source, and the multistep to described device is adjusted and sampling element, equivalent group
Voltage, current value at part rosin joint, by components welding equivalent impedance in external circuitses, sample corresponding equivalent voltage, electric current,
The rosin joint resistance value of component is calculated, so as to judge component welding quality, show that component whether there is rosin joint.
Have an advantage in that：Component lucifuge is not needed, can be tested in working site, using scene；Need not apply
Pulling force external action, can quantitatively indicate impedance magnitude.The destructive testing of premature aging such as need not heat, it is possible to reduce survey
Examination cost.Solder joint need not be contacted, the welding of welding, casting glue sealed terminal box especially for solar cell can be surveyed
Examination.Overcome the insufficient qualitative defect of infrared assessment.
In a word, methods described is simple to operate, esy to use, safe and reliable, facilitates the detection before component finished product warehouse-in, it is to avoid
Component dispatches from the factory with rosin joint and local solder skip hidden danger, so as to safeguard in advance, extends the assembly operating life-span, reduces maintenance cost；
Can be used for component examination and the inspection before live component installation；All photovoltaic module productions and application neck can be widely popularized
Domain.
Claims (4)
1. a kind of welding photovoltaic component apparatus for measuring quality, it is characterised in that：Including analog power and sampling operation unit sum
According to process and display unit, the analog power and the tunnels of sampling operation unit negative pole outlet terminal cs2 Fen Wei tetra-, first via Jing
Voltmeter Ux is connected with the positive pole outlet terminal cs1 of the analog sampling operating unit；Second tunnel successively Jing potentiometers Rt1 and
It is connected with one end of a single knife switch in double-point double-throw switch K after ammeter I0, two single knife switches in double-point double-throw switch K
One end connection after constitute the common port of double-point double-throw switch K, the positive pole of the common port and the sampling operation unit is exported
Terminals cs1 connects；3rd road Jing after simulation connection box diode D1 with another single knife switch in the double-point double-throw switch K
Free end connection；4th tunnel is divided into three tunnels, first via Jing voltmeter U0 and institute again Jing after potentiometer Rt0, transmitter B0 successively
State the free end connection of another single knife switch in double-point double-throw switch K；Second tunnel Jing potentiometers Rv2 and simulated solar successively
It is connected with the free end of another single knife switch in the double-point double-throw switch K after cell diode group D0；3rd tunnel Jing successively
It is connected with the free end of another single knife switch in the double-point double-throw switch K after potentiometer Rv1 and current source Ax；Wherein institute
It is an electricity for the node C of a and b, the transmitter B0 and potentiometer Rv1 to state two current sample outfans on transmitter B0
Pressure sampled point, the node d of the current source Ax and double-point double-throw switch K is another voltage sample point, current sample point
With voltage sample point through wire sampling end connection corresponding with the data processing and display unit.
2. a kind of method that use welding photovoltaic component apparatus for measuring quality carries out quality testing, it is characterised in that methods described bag
Include following steps：
Double-point double-throw switch K in the measurement apparatus is opened, the positive pole outlet terminal cs1 of the measurement apparatus with it is tested
The negative pole connection of component, negative pole outlet terminal cs2 is connected with the positive pole of component；
Observation voltmeter U0, and Primary regulation potentiometer Rv1 and Rv2 are adjusted, make the reading and component output electricity of voltmeter U0
The reading value of pressure table Ux is identical；
Secondary Control potentiometer Rt1 in described device is adjusted to after maximum value, the double-point double-throw switch K in device is closed
Close；
Observation ammeter I0, and Secondary Control potentiometer Rt0 and Rt1 are adjusted, make I0=0；
After having adjusted, Rt0 both end voltages, electric current are input to into data processing for connection end a, b, c, d and display unit is processed,
Data processing and display unit are according to potentiometer Rt0 both end voltages value and flow through the current value of potentiometer Rt0, calculate current potential
The resistance value of device Rt0；
According to the resistance value of potentiometer Rt0, component welding quality is judged, if there is rosin joint.
3. the method for carrying out quality testing using welding photovoltaic component apparatus for measuring quality as claimed in claim 2, its feature
It is：
When the ammeter I0 readings are zero, the difference of voltmeter Ux and voltmeter U0 is the electricity at the potentiometer Rt0 two ends
Pressure value, the current value of transmitter B0 collections is the current value for flowing through the potentiometer Rt0.
4. the method for carrying out quality testing using welding photovoltaic component apparatus for measuring quality as claimed in claim 2, its feature
It is：When the potentiometer Rt0 resistance values for calculating are more than 50m Ω, represent that component has rosin joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831000.5A CN106656037B (en) | 2016-09-19 | 2016-09-19 | Welding photovoltaic component apparatus for measuring quality and the method that quality testing is carried out using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831000.5A CN106656037B (en) | 2016-09-19 | 2016-09-19 | Welding photovoltaic component apparatus for measuring quality and the method that quality testing is carried out using the device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106656037A true CN106656037A (en) | 2017-05-10 |
| CN106656037B CN106656037B (en) | 2018-06-15 |
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| CN108198901A (en) * | 2017-12-22 | 2018-06-22 | 南京日托光伏科技股份有限公司 | A kind of MWT photovoltaic modulies low-power reworking method |
| CN112345982A (en) * | 2020-09-29 | 2021-02-09 | 歌尔科技有限公司 | Method and device for detecting welding condition of circuit element |
| CN113030581A (en) * | 2021-03-19 | 2021-06-25 | 陕西众森电能科技有限公司 | Solar cell module and method for testing impedance of external circuit of module |
| CN113063824A (en) * | 2021-03-12 | 2021-07-02 | 天津市捷威动力工业有限公司 | Method for monitoring welding quality of laser welding |
| CN114080741A (en) * | 2020-06-15 | 2022-02-22 | 华为数字能源技术有限公司 | Protection circuit for preventing input end misconnection and photovoltaic power generation system |
| CN114161020A (en) * | 2021-12-27 | 2022-03-11 | 中国电子科技集团公司第十八研究所 | Solar cell resistance welding quality monitoring method and system |
| CN116499353A (en) * | 2023-06-29 | 2023-07-28 | 中清能绿洲(北京)能源科技有限公司 | A soldered connection testing arrangement and photovoltaic module for photovoltaic module |
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| CN108198901A (en) * | 2017-12-22 | 2018-06-22 | 南京日托光伏科技股份有限公司 | A kind of MWT photovoltaic modulies low-power reworking method |
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| CN112345982A (en) * | 2020-09-29 | 2021-02-09 | 歌尔科技有限公司 | Method and device for detecting welding condition of circuit element |
| CN112345982B (en) * | 2020-09-29 | 2023-05-26 | 歌尔科技有限公司 | Circuit element welding condition detection method and device |
| CN113063824A (en) * | 2021-03-12 | 2021-07-02 | 天津市捷威动力工业有限公司 | Method for monitoring welding quality of laser welding |
| CN113030581A (en) * | 2021-03-19 | 2021-06-25 | 陕西众森电能科技有限公司 | Solar cell module and method for testing impedance of external circuit of module |
| CN114161020A (en) * | 2021-12-27 | 2022-03-11 | 中国电子科技集团公司第十八研究所 | Solar cell resistance welding quality monitoring method and system |
| CN114161020B (en) * | 2021-12-27 | 2023-08-04 | 中电科蓝天科技股份有限公司 | Method and system for monitoring welding quality of solar cell resistance welding |
| CN116499353A (en) * | 2023-06-29 | 2023-07-28 | 中清能绿洲(北京)能源科技有限公司 | A soldered connection testing arrangement and photovoltaic module for photovoltaic module |
| CN116499353B (en) * | 2023-06-29 | 2023-09-26 | 中清能绿洲(北京)能源科技有限公司 | A soldered connection testing arrangement and photovoltaic module for photovoltaic module |
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