CN109877489A - Welding detection system and welding and method - Google Patents
Welding detection system and welding and method Download PDFInfo
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- CN109877489A CN109877489A CN201910146625.1A CN201910146625A CN109877489A CN 109877489 A CN109877489 A CN 109877489A CN 201910146625 A CN201910146625 A CN 201910146625A CN 109877489 A CN109877489 A CN 109877489A
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- 238000003466 welding Methods 0.000 title claims abstract description 312
- 238000001514 detection method Methods 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 164
- 238000005476 soldering Methods 0.000 claims abstract description 94
- 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 abstract description 49
- 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 abstract description 49
- 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 abstract description 49
- 238000006073 displacement reaction Methods 0.000 claims description 222
- 239000011800 void material Substances 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 13
- 239000004411 aluminium Substances 0.000 description 13
- 230000033001 locomotion Effects 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The present invention relates to a kind of welding detection system and welding and methods.Welding detection system and welding includes: soldering tip, transmission device and detection device, the detection device is fixed on the soldering tip, and the transmission device is connect with the detection device, wherein, the transmission device and welding wire connect, and one end of the welding wire and the soldering tip connect；The detection device is used to that the welding wire to be driven to detect welded condition to the pressure-operated that the transmission device generates when being lifted according to the soldering tip.Welding wire is driven to detect welded condition to the pressure-operated that transmission device generates when the detection device of the welding detection system and welding is used to be lifted according to soldering tip, it in this way can be after the completion of welding, the pressure-operated for driving welding wire to generate transmission device when being lifted according to soldering tip detects welded condition in time, multiple weldering can be completed after rosin joint generates in time by detecting, it reduces and even avoids problem of faulty soldering, improve the safety and stability of power battery module.
Description
Technical field
The present invention relates to power battery module welding fields, more particularly to a kind of welding detection system and welding and method.
Background technique
With the rapid development of power battery technology, power battery has become the tools such as electric car, electric bicycle
Major impetus source.Usual power battery as a source of power when, need to carry out power battery welding and form power battery mould
Group is the powered tools such as electric car, electric bicycle by power battery module.
Traditional power battery module welding technique is to be welded by using aluminium wire to power battery, forms energy
The power battery module that density is high, the service life is long.
But traditional power battery module welding technique, welded condition can not be detected in time, deposit power battery module
The rosin joint the problem of.
Summary of the invention
Based on this, it is necessary to for traditional power battery module welding technique, welded condition can not be detected in time, made
There is rosin joint in power battery modules, provide a kind of welding detection system and welding and method.
A kind of welding detection system and welding, comprising: soldering tip, transmission device and detection device, the detection device are fixed on described
On soldering tip, the transmission device is connect with the detection device, wherein
The transmission device and welding wire connect, and one end of the welding wire and the soldering tip connect；
The pressure that the detection device is used to drive the welding wire to generate the transmission device when being lifted according to the soldering tip
Power motion detection welded condition.
Welding detection system and welding provided by the above embodiment includes soldering tip, transmission device and detection device, and detection device is used for
It drives welding wire to detect welded condition to the pressure-operated that transmission device generates when being lifted according to soldering tip, can be completed in this way in welding
Afterwards, the pressure-operated for driving welding wire to generate transmission device when being lifted according to soldering tip detects welded condition in time, detects rosin joint
Multiple weldering can be completed after generation in time, reduces and even avoids problem of faulty soldering, improve the safety and stability of power battery module.
The detection device includes displacement detector in one of the embodiments,；
Transmission when institute's displacement sensing device is for detecting the welding wire to transmission device generation pressure-operated
The displacement of device, and the welded condition is detected according to the displacement of the transmission device.
In one of the embodiments, the detection device include elastic force apparatus, the displacement that is connect with the elastic force apparatus
Detection device；
The elastic force apparatus is dynamic for driving the welding wire to generate pressure to the transmission device when the soldering tip lifts
Displacement is generated when making；
Institute's displacement sensing device is used to detect the displacement of the elastic force apparatus, and according to the displacement of the elastic force apparatus
Amount detects the welded condition.
In one of the embodiments, institute's displacement sensing device be specifically used for according to the displacement of the transmission device and
Preset displacement threshold value or displacement and preset displacement threshold value according to the elastic force apparatus, detect the welded condition；If
The displacement of the displacement of the transmission device or the elastic force apparatus is less than or equal to the preset displacement threshold value, it is determined that institute
Stating welded condition is rosin joint；If the displacement of the displacement of the transmission device or the elastic force apparatus is greater than the preset position
Move threshold value, it is determined that the welded condition is that welding is normal.
The detection device includes pressure-detecting device in one of the embodiments,；
The pressure-detecting device drives the welding wire to institute for detecting when soldering tip lifts in the welding detection system and welding
The pressure value of the pressure-operated of transmission device generation is stated, and the welded condition is detected according to the pressure value.
The pressure-detecting device is specifically used for according to the pressure value and preset pressure in one of the embodiments,
Threshold value detects the welded condition；If the pressure value is less than or equal to the preset pressure threshold, it is determined that the welding
State is rosin joint；If the pressure value is greater than the preset pressure threshold, it is determined that the welded condition is that welding is normal.
A kind of welding detection method, the method are applied to welding detection system and welding described in embodiment as above, the method packet
It includes:
The pressure for driving the welding wire to generate the transmission device when being lifted according to the soldering tip in the welding detection system and welding
Power motion detection welded condition.
Welding detection method provided by the above embodiment drives welding wire pair when lifting according to the soldering tip in welding detection system and welding
The pressure-operated that transmission device generates detects welded condition, weldering can be driven when lifting according to soldering tip after the completion of welding in this way
The pressure-operated that silk generates transmission device detects welded condition in time, and multiple weldering can be completed after rosin joint generates in time by detecting, subtracts
It is few even to avoid problem of faulty soldering, improve the safety and stability of power battery module.
The welding wire is driven when the soldering tip according in the welding detection system and welding lifts in one of the embodiments,
Welded condition is detected to the pressure-operated that the transmission device generates, comprising:
Obtain the displacement that the transmission device in the welding detection system and welding generates under the pressure-operated；
The displacement of the transmission device is compared with the preset displacement threshold value；
If the displacement of the transmission device is less than or equal to the preset displacement threshold value, it is determined that the welded condition
For rosin joint；
If the displacement of the transmission device is greater than the preset displacement threshold value, it is determined that the welded condition is welding
Normally.
The welding wire is driven when the soldering tip according in the welding detection system and welding lifts in one of the embodiments,
The motion detection welded condition of pressure is generated to the transmission device, comprising:
Obtain the displacement that the elastic force apparatus in the welding detection system and welding generates under the pressure-operated；
The displacement of the elastic force apparatus is compared with the preset displacement threshold value；
If the displacement of the elastic force apparatus is less than or equal to the preset displacement threshold value, it is determined that the welded condition
For rosin joint；
If the displacement of the elastic force apparatus is greater than the preset displacement threshold value, it is determined that the welded condition is welding
Normally.
The welding wire is driven when the soldering tip according in the welding detection system and welding lifts in one of the embodiments,
The motion detection welded condition of pressure is generated to the transmission device, comprising:
Obtain the pressure for driving the welding wire to generate the transmission device when soldering tip lifts in the welding detection system and welding
The pressure value of movement；
The pressure value is compared with the preset pressure threshold；
If the pressure value is less than or equal to the preset pressure threshold, it is determined that the welded condition is rosin joint；
If the pressure value is greater than the preset pressure threshold, it is determined that the welded condition is that welding is normal.
In welding detection system and welding and method provided by the above embodiment, welding detection system and welding include soldering tip, transmission device and
Detection device, the pressure-operated detection welding shape for driving welding wire to generate transmission device when detection device is used to be lifted according to soldering tip
State can drive welding wire to examine the pressure-operated that transmission device generates in time after the completion of welding when being lifted according to soldering tip in this way
Welded condition is surveyed, multiple weldering can be completed after rosin joint generates in time by detecting, reduced and even avoided problem of faulty soldering, improve power battery mould
The safety and stability of group.
Detailed description of the invention
Fig. 1 is the welding detection system and welding schematic diagram that one embodiment provides；
Fig. 2 is the welding detection system and welding schematic diagram that another embodiment provides；
Fig. 3 is the welding detection system and welding schematic diagram that another embodiment provides；
Fig. 4 is the welding detection system and welding schematic diagram that another embodiment provides；
Fig. 5 is the flow diagram for the welding detection method that one embodiment provides；
Fig. 6 is the flow diagram for the welding detection method that another embodiment provides；
Fig. 7 is the flow diagram for the welding detection method that another embodiment provides.
Description of symbols:
Soldering tip 100；Transmission device 200；Detection device 300；
Displacement detector 310；Elastic force apparatus 320；Pressure-detecting device 330.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Traditional power battery module welding technique, can not detect welded condition in time, there is power battery module empty
The problem of weldering.For this purpose, the embodiment of the present invention provides a kind of welding detection system and welding and method, it is intended to solve the skill as above of traditional technology
Art problem.
How technical solution of the present invention and technical solution of the present invention are solved with specific embodiment below above-mentioned
Technical problem is described in detail.These specific embodiments can be combined with each other below, for the same or similar concept
Or process may repeat no more in certain embodiments.
Fig. 1 is the welding detection system and welding schematic diagram that one embodiment provides.As shown in Figure 1, welding detection system and welding includes: weldering
First 100, transmission device 200 and detection device 300, the detection device 300 are fixed on the soldering tip 100, the transmission dress
It sets 200 to connect with the detection device 300, wherein the transmission device 200 is connected with welding wire, one end of the welding wire
It is connected with the soldering tip 100；The detection device 300 is for driving the welding wire pair when lifting according to the soldering tip 100
The motion detection welded condition for the pressure that the transmission device 200 generates.
Specifically, soldering tip 100 can be wave welding head of ultrasonic wave, welding wire and power electric to be connect are transmitted to using high-frequency vibration wave
The cathode welding surface in pond makes the cathode welding surface phase mutual friction of welding wire and power battery and forms molecule in the case where pressurization
Fusion between layer forms power battery module.Optionally, welding wire can be aluminium wire, be also possible to aluminium strip.
Above-mentioned transmission device 200 is connected with welding wire, and one end of welding wire and soldering tip 100 connect.Optionally, it is driven
200 periphery of device has groove, and welding wire can be around on groove to be connected with transmission device 200.Optionally, transmission device
200 can be wooden transmission device, steel transmission device, or engineering plastics transmission device.
The pressure for driving welding wire to generate transmission device 200 when above-mentioned detection device 300 is used to be lifted according to soldering tip 100 is dynamic
Make detection welded condition, wherein welded condition includes that rosin joint and welding are normal, and rosin joint, which refers to, leads to multiple lithium-ion electric core monomers
Cross series connection and when mode in parallel is grouped together into mould group, in aluminium wire welding procedure due to the aluminium wire that uses compared with
Carefully, battery cathode welding surface is relatively narrow, and aluminium wire cannot lead to aluminium wire and busbar connector pad well by battery core in conjunction with busbar connector
Contact resistance increase welded condition；Welding is just being referred to multiple lithium-ion electric core monomers by way of connecting and is in parallel
When being grouped together into mould group, the aluminium wire welded condition by battery core in conjunction with busbar connector well.Optionally, detection device
300 can according to welding wire to transmission device 200 generate pressure-operated when transmission device 200 generate displacement, detection welding shape
State is detected according to the pressure value and is welded alternatively, detection device 300 can detecte the pressure value that welding wire generates transmission device 200
State.
Illustratively, as shown in Figure 1, when soldering tip lifts, welding wire is lifted with soldering tip, can be to transmission when welding is completed
Device generates pressure to the right, so that transmission device generates displacement to the right, if welding wire is driven when generating pressure to transmission device
The displacement that device generates is less than preset displacement, then detection device can determine that welded condition is rosin joint, if welding wire is to biography
The displacement that transmission device generates when dynamic device generates pressure is greater than preset displacement, then detection device can determine welding shape
State is that welding is normal.
In the present embodiment, welding detection system and welding includes soldering tip, transmission device and detection device, and detection device is used for basis
The pressure-operated detection welded condition for driving welding wire to generate transmission device when soldering tip lifts, in this way can after the completion of welding,
The pressure-operated for driving welding wire to generate transmission device when being lifted according to soldering tip detects welded condition in time, detects that rosin joint generates
After can complete multiple weldering in time, reduce and even avoid problem of faulty soldering, improve the safety and stability of power battery module.
Fig. 2 is the welding detection system and welding schematic diagram that another embodiment provides.As shown in Fig. 2, the detection device 300 is wrapped
Include displacement detector 310；Institute's displacement sensing device 310 generates pressure to the transmission device 200 for detecting the welding wire
The displacement of power transmission device 200 when acting, and the welding shape is detected according to the displacement of the transmission device 200
State.
Specifically, above-mentioned detection device 300 includes displacement detector 310, pressure is generated to transmission device 200 for welding wire
The displacement of transmission device 200 when power acts, and welded condition is detected according to the displacement of transmission device 200.Optionally, it is displaced
Detection device 310 can be displacement sensor.Optionally, displacement detector 310 is specifically used for the displacement of transmission device 200
With preset displacement threshold value, welded condition is detected.For example, can be with the displacement of computing gear 200 and preset displacement threshold
The difference of value can determine welded condition for weldering if difference is that canonical can determine that welded condition is rosin joint if difference is negative
It connects normal.
In the present embodiment, detection device includes displacement detector, and displacement detector is for detecting welding wire to transmission
The displacement of transmission device when device generates pressure, and welded condition is detected according to the displacement of transmission device, it in this way can be
After the completion of welding, the displacement of transmission device detects welded condition in time when generating pressure to transmission device according to welding wire, detects
Multiple weldering can be completed after generating to rosin joint in time, reduces and even avoids problem of faulty soldering, improves the safety of power battery module and steady
It is qualitative.
Fig. 3 is the welding detection system and welding schematic diagram that another embodiment provides.As shown in figure 3, the detection device 300 is wrapped
The displacement detector 310 for including elastic force apparatus 320, being connect with the elastic force apparatus 320；The elastic force apparatus 320 is used in institute
It states and the welding wire is driven to generate displacement when generating pressure-operated to the transmission device 200 when soldering tip 100 lifts；The displacement inspection
The displacement that device 310 is used to detect the elastic force apparatus 320 is surveyed, and institute is detected according to the displacement of the elastic force apparatus 320
State welded condition.
Specifically, the displacement detector that above-mentioned detection device 300 includes elastic force apparatus 320, connect with elastic force apparatus 320
310.Elastic force apparatus 320 is connect with transmission device 200, for generating displacement when transmission device 200 generates pressure.Optionally,
Elastic force apparatus 320 can be reed, or pressure spring or other components that can convert the pressure to displacement.
Displacement detector 310 is connect with elastic force apparatus 320, for detecting the displacement of elastic force apparatus 320, and according to bullet
The displacement of power device 320 detects welded condition.Optionally, displacement detector 310 can be displacement sensor.Optionally,
Displacement detector 310 is specifically used for displacement and preset displacement threshold value according to elastic force apparatus 320, detects welded condition.
For example, the displacement of elastic force apparatus 320 and the difference of preset displacement threshold value can be calculated, if difference is that canonical can determine weldering
Connecing state is rosin joint, can determine that welded condition is normal for welding if difference is negative.
In the present embodiment, detection device includes elastic force apparatus and the displacement detector that connect with elastic force apparatus, elastic force
Device generates displacement when transmission device generates pressure, and displacement detector detects the displacement of elastic force apparatus and according to displacement
Welded condition is detected, in this way can be after the completion of welding, the displacement of elastic force apparatus is timely when generating pressure according to transmission device
Welded condition is detected, multiple weldering can be completed after rosin joint generates in time by detecting, reduced and even avoided problem of faulty soldering, improve power battery
The safety and stability of mould group.
In one embodiment, institute's displacement sensing device 310 is specifically used for the displacement according to the transmission device 200
Displacement and preset displacement threshold value with preset displacement threshold value or according to the elastic force apparatus 320, detect the welding shape
State；If the displacement of the transmission device 200 or the displacement of the elastic force apparatus 320 are less than or equal to the preset displacement threshold
Value, it is determined that the welded condition is rosin joint；If the displacement of the displacement or the elastic force apparatus 320 of the transmission device 200
Amount is greater than the preset displacement threshold value, it is determined that the welded condition is that welding is normal.
Specifically, the displacement of transmission device 200 and preset displacement threshold value are compared by displacement detector 310,
If the displacement that transmission device 200 generates is less than or equal to preset displacement threshold value, it is determined that welded condition is rosin joint；If transmission
The displacement that device 200 generates is greater than preset displacement threshold value, it is determined that welded condition is that welding is normal.Alternatively, displacement detecting
The displacement of elastic force apparatus 320 and preset displacement threshold value are compared by device 310, if the displacement of elastic force apparatus 320 is small
In or equal to preset displacement threshold value, it is determined that welded condition is rosin joint；If the displacement of elastic force apparatus 320 is greater than preset position
Move threshold value, it is determined that welded condition is that welding is normal.For example, preset displacement threshold value is 0.4mm, if displacement detector 310
The displacement for detecting elastic force apparatus 320 is 0.3mm, is less than preset displacement threshold value and then determines that welded condition is rosin joint；If position
It moves detection device 310 and detects that the displacement of elastic force apparatus 320 is 0.6mm, be greater than preset displacement threshold value and then determine welding shape
State is that welding is normal.
In the present embodiment, the displacement of transmission device and preset displacement threshold value are compared by displacement detector,
Or be compared the displacement of elastic force apparatus and preset displacement threshold value, if the displacement of transmission device or elastic force apparatus
Displacement is less than or equal to preset displacement threshold value, it is determined that welded condition is rosin joint；If the displacement or elastic force of transmission device
The displacement of device is greater than preset displacement threshold value, it is determined that welded condition is that welding is normal, detects the process ten of welded condition
Divide simply, improve the efficiency of determining welded condition, welded condition can be detected in time after the completion of welding, detects that rosin joint produces
Multiple weldering can be completed after life in time, reduces and even avoids problem of faulty soldering, improve the safety and stability of power battery module.
Fig. 4 is the welding detection system and welding schematic diagram that another embodiment provides.As shown in figure 4, the detection device 300 is wrapped
Include pressure-detecting device 330；The pressure-detecting device 330 is for when detecting that soldering tip 100 lifts in the welding detection system and welding
The pressure value for the pressure-operated for driving the welding wire to generate the transmission device 200, and according to pressure value detection
Welded condition.
Specifically, detection device 300 includes pressure-detecting device 330, pressure-detecting device 330 is for detecting welding detection
The pressure value for the pressure-operated for driving the welding wire to generate the transmission device 200 when soldering tip 100 lifts in system, and according to
Pressure value detects welded condition.Optionally, pressure-detecting device 330 is specifically used for being lifted according to soldering tip 100 in welding detection system and welding
The pressure value for the pressure-operated for driving the welding wire to generate the transmission device 200 when rising and preset pressure threshold detect
Welded condition.Drive the welding wire to the transmission device when soldering tip 100 lifts in welding detection system and welding for example, can calculate
The pressure value of 200 pressure-operateds generated and the difference of preset pressure threshold, if difference is that canonical can determine welded condition
For rosin joint, it can determine that welded condition is normal for welding if difference is negative.
In the present embodiment, detection device includes pressure-detecting device, and pressure-detecting device is for detecting welding detection system
The pressure value for the pressure-operated for driving welding wire to generate transmission device when soldering tip lifts in system, and welding shape is detected according to pressure value
State, in this way can be after the completion of welding, the pressure for the pressure-operated for driving welding wire to generate transmission device when being lifted according to soldering tip
Value detects welded condition in time, and multiple weldering can be completed after rosin joint generates in time by detecting, reduces and even avoids problem of faulty soldering, raising is dynamic
The safety and stability of power battery modules.
In one embodiment continuing with referring to fig. 4, the pressure-detecting device 330 be specifically used for the pressure value and
The preset pressure threshold is compared；If the pressure value is less than or equal to the preset pressure threshold, it is determined that institute
Stating welded condition is rosin joint；If the pressure value is greater than the preset pressure threshold, it is determined that the welded condition is welding
Normally.
Specifically, the pressure for driving welding wire to generate transmission device 200 when pressure-detecting device 330 lifts soldering tip 100
The pressure value of movement and preset pressure threshold are compared, if driving welding wire to generate transmission device 200 when soldering tip 100 lifts
Pressure-operated pressure value be less than or equal to preset pressure threshold, it is determined that welded condition is rosin joint；If soldering tip 100 lifts
When drive welding wire to generate transmission device 200 the pressure value of pressure-operated be greater than preset pressure threshold, it is determined that weld shape
State is that welding is normal.For example, preset pressure threshold is 0.6N, if pressure-detecting device 330 detects band when soldering tip 100 lifts
Dynamic welding wire is 0.3N to the pressure value for the pressure-operated that transmission device 200 generates, and is less than preset pressure threshold and then determines welding
State is rosin joint；If pressure-detecting device 330 detects the pressure for driving welding wire to generate transmission device 200 when soldering tip 100 lifts
The pressure value of power movement is 0.7N, is greater than preset pressure threshold and then determines that welded condition is that welding is normal.
In the present embodiment, the pressure-operated for driving welding wire to generate transmission device when pressure-detecting device lifts soldering tip
Pressure value and preset pressure threshold be compared, if driving the pressure-operated that generates to transmission device of welding wire when soldering tip lifts
Pressure value be less than or equal to preset pressure threshold, it is determined that welded condition is rosin joint；If driving welding wire pair when soldering tip lifts
The pressure value for the pressure-operated that transmission device generates is greater than preset pressure threshold, it is determined that welded condition is that welding is normal, inspection
The process very simple for surveying welded condition, improves the efficiency of determining welded condition, being capable of the detection weldering in time after the completion of welding
State is connect, multiple weldering can be completed after rosin joint generates in time by detecting, reduced and even avoided problem of faulty soldering, improve power battery module
Safety and stability.
The present embodiment provides a kind of welding detection method, this method is applied to welding detection system and welding described in above-described embodiment.
The welding wire is driven to generate the transmission device when this method comprises: being lifted according to the soldering tip in the welding detection system and welding
Pressure-operated detects welded condition.
Specifically, welding wire is driven to generate pressure, welding to transmission device when the soldering tip in above-mentioned welding detection system and welding lifts
The pressure-operated that detection device can be generated according to transmission device detects welded condition.Wherein, welded condition includes rosin joint and weldering
It connecing normally, rosin joint refers to by multiple lithium-ion electric core monomers when connecting with mould group is grouped together by way of parallel connection,
Since the aluminium wire used is thinner in aluminium wire welding procedure, battery cathode welding surface is relatively narrow, and aluminium wire cannot well will be electric
Core leads to the welded condition of the contact resistance of aluminium wire and busbar connector pad increase in conjunction with busbar connector；Welding just referring to by
When multiple lithium-ion electric core monomers are grouped together into mould group by way of connecting and is in parallel, aluminium wire well by battery core with
The welded condition that busbar connector combines.Optionally, welding detection device can be lifted according to the soldering tip in above-mentioned welding detection system and welding
When welding wire to transmission device generate pressure-operated when transmission device displacement, detect welded condition.
In the present embodiment, welding detection method includes drive welding wire pair when being lifted according to the soldering tip in welding detection system and welding
The pressure-operated that transmission device generates detects welded condition, weldering can be driven when lifting according to soldering tip after the completion of welding in this way
The pressure-operated that silk generates transmission device detects welded condition in time, and multiple weldering can be completed after rosin joint generates in time by detecting, subtracts
It is few even to avoid problem of faulty soldering, improve the safety and stability of power battery module.
Fig. 5 is the flow diagram for the welding detection method that another embodiment provides.What is involved is bases for the present embodiment
The pressure-operated for driving welding wire to generate transmitting device when soldering tip lifts, by obtaining the transmission device in welding detection system and welding
The specific implementation process of displacement detection welded condition.As shown in figure 5, this method comprises:
S501 obtains the displacement that the transmission device in the welding detection system and welding generates under the pressure-operated.
Optionally, when welding detection device can obtain that soldering tip is lifted in above-mentioned welding detection system and welding by displacement sensor
The displacement of transmission device, can also pass through other displacement detecting instrument when the pressure-operated for driving welding wire to generate transmission device
Transmission device when obtaining the pressure-operated for driving welding wire to generate transmission device when soldering tip in above-mentioned welding detection system and welding lifts
Displacement.
The displacement of the transmission device is compared by S502 with the preset displacement threshold value；If the transmission dress
The displacement set is less than or equal to the preset displacement threshold value, thens follow the steps 403；If the displacement of the transmission device is big
In the preset displacement threshold value, 404 are thened follow the steps.
Specifically, welding detection device gets biography when driving welding wire to generate pressure-operated to transmission device when soldering tip lifts
After the displacement of dynamic device, the displacement of transmission device and preset displacement threshold value are compared.If the displacement of transmission device
Amount is less than or equal to preset displacement threshold value, it is determined that welded condition is rosin joint, step 503 is executed, if the displacement of transmission device
Amount is greater than preset displacement threshold value, it is determined that welded condition is that welding is normal, executes step 504.
S503 determines that the welded condition is rosin joint.
Specifically, if the displacement of transmission device is less than or equal to preset displacement threshold value, it is determined that welded condition is void
Weldering.For example, preset displacement threshold value is 0.4mm, if the displacement of transmission device is 0.3mm, it is less than preset displacement threshold value, then
Determine that welded condition is rosin joint.
S504 determines that the welded condition is normal for welding.
Specifically, if the displacement of transmission device is greater than preset displacement threshold value, it is determined that welded condition is that welding is normal.
For example, preset displacement threshold value is 0.4mm, if the displacement of transmission device is 0.6mm, it is greater than preset displacement threshold value, then really
It is normal for welding to determine welded condition.
In the present embodiment, the pressure for driving welding wire to generate transmission device when welding detection device is lifted by obtaining soldering tip
The displacement of transmission device when power acts, according to the mistake of the displacement of transmission device and preset displacement threshold value detection welded condition
Journey very simple improves the efficiency of determining welded condition, can detect in time welded condition after the completion of welding, detect void
Weldering can complete multiple weldering in time after generating, reduce and even avoid problem of faulty soldering, improve the safety and stability of power battery module.
Fig. 6 is the flow diagram for the welding detection method that another embodiment provides.What is involved is bases for the present embodiment
The pressure-operated for driving welding wire to generate transmitting device when soldering tip lifts, by obtaining the elastic force apparatus in welding detection system and welding
The specific implementation process of displacement detection welded condition.As shown in fig. 6, this method comprises:
S601 obtains the displacement that the elastic force apparatus in the welding detection system and welding generates under the pressure-operated.
Optionally, welding detection device can obtain the elastic force apparatus in above-mentioned welding detection system and welding by displacement sensor
The displacement generated under the pressure effect of transmission device can also obtain above-mentioned welding by other displacement detecting instrument and detect
The displacement that elastic force apparatus in system generates under the pressure effect of transmission device.
The displacement of the elastic force apparatus is compared by S602 with preset displacement threshold value；If the elastic force apparatus
Displacement is less than or equal to the preset displacement threshold value, thens follow the steps 503；If the displacement of the elastic force apparatus is greater than institute
Preset displacement threshold value is stated, thens follow the steps 504.
Specifically, welding detection device gets bullet when driving welding wire to generate pressure-operated to transmission device when soldering tip lifts
After the displacement of power device, the displacement of elastic force apparatus and preset displacement threshold value are compared.If the displacement of elastic force apparatus
Amount is less than or equal to preset displacement threshold value, it is determined that welded condition is rosin joint, step 603 is executed, if the displacement of elastic force apparatus
Amount is greater than preset displacement threshold value, it is determined that welded condition is that welding is normal, executes step 604.
S603 determines that the welded condition is rosin joint.
Specifically, if the displacement of elastic force apparatus is less than or equal to preset displacement threshold value, it is determined that welded condition is void
Weldering.For example, preset displacement threshold value is 0.4mm, if the displacement of transmission device is 0.3mm, it is less than preset displacement threshold value, then
Determine that welded condition is rosin joint.
S604 determines that the welded condition is normal for welding.
Specifically, if the displacement of elastic force apparatus is greater than preset displacement threshold value, it is determined that welded condition is that welding is normal.
For example, preset displacement threshold value is 0.4mm, if the displacement of transmission device is 0.6mm, it is greater than preset displacement threshold value, then really
It is normal for welding to determine welded condition.
In the present embodiment, the pressure for driving welding wire to generate transmission device when welding detection device is lifted by obtaining soldering tip
The displacement of elastic force apparatus when power acts, according to the mistake of the displacement of elastic force apparatus and preset displacement threshold value detection welded condition
Journey very simple improves the efficiency of determining welded condition, can detect in time welded condition after the completion of welding, detect void
Weldering can complete multiple weldering in time after generating, reduce and even avoid problem of faulty soldering, improve the safety and stability of power battery module.
Fig. 7 is the flow diagram for the welding detection method that another embodiment provides.What is involved is bases for the present embodiment
The pressure value that transmission device generates, detects the specific implementation process of welded condition.As shown in fig. 7, this method comprises:
S701 is obtained and is driven the welding wire to generate the transmission device when soldering tip lifts in the welding detection system and welding
The pressure value of pressure-operated.
Optionally, when welding detection device can obtain that soldering tip is lifted in above-mentioned welding detection system and welding by pressure sensor
The pressure value for the pressure-operated for driving welding wire to generate transmission device can also obtain above-mentioned weldering by other pressure detecting instruments
Connect the pressure value for the pressure-operated for driving welding wire to generate transmission device when soldering tip in detection system lifts.
The pressure value and preset pressure threshold are compared by S702；If the pressure value is less than or equal to described
Preset pressure threshold, thens follow the steps 703；If the pressure value is greater than the preset pressure threshold, then follow the steps
704。
Welding wire is driven to fill transmission when soldering tip in above-mentioned welding detection system and welding lifts specifically, welding detection device is got
After the pressure value for setting the pressure-operated of generation, the pressure value and preset pressure of the pressure-operated that welding wire generates transmission device
Threshold value is compared, if welding wire is less than or equal to preset pressure threshold to the pressure value for the pressure-operated that transmission device generates,
It then determines that welded condition is rosin joint, executes step 703, if welding wire is greater than in advance the pressure value for the pressure-operated that transmission device generates
If pressure threshold, it is determined that welded condition is that welding is normal, executes step 704.
S703 determines that the welded condition is rosin joint.
Specifically, if welding wire is less than or equal to preset pressure threshold to the pressure value for the pressure that transmission device generates,
Determine that welded condition is rosin joint.For example, preset pressure threshold is 0.6N, it is dynamic to get the pressure that welding wire generates transmission device
The pressure value of work is 0.3N, is less than preset pressure threshold, it is determined that welded condition is rosin joint.
S703 determines that the welded condition is normal for welding.
Specifically, if welding wire is greater than preset pressure threshold to the pressure value for the pressure that transmission device generates, it is determined that weldering
It is normal for welding to connect state.For example, preset pressure threshold is 0.6N, the pressure-operated that welding wire generates transmission device is got
Pressure value be 0.7N, be greater than preset pressure threshold, it is determined that welded condition is that welding is normal.
In the present embodiment, welding detection device is by obtaining the pressure that welding wire generates transmission device in welding detection system and welding
The pressure value of power movement, according to the pressure value and the detection weldering of preset pressure threshold of the pressure-operated that welding wire generates transmission device
The process very simple for connecing state, improves the efficiency of determining welded condition, and welding shape can be detected in time after the completion of welding
State, multiple weldering can be completed after rosin joint generates in time by detecting, reduced and even avoided problem of faulty soldering, improve the safety of power battery module
Property and stability.
It should be understood that although each step in the flow chart of Fig. 5-7 is successively shown according to the instruction of arrow,
These steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps
Execution there is no stringent sequences to limit, these steps can execute in other order.Moreover, at least one in Fig. 5-7
Part steps may include that perhaps these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps
Completion is executed, but can be executed at different times, the execution sequence in these sub-steps or stage is also not necessarily successively
It carries out, but can be at least part of the sub-step or stage of other steps or other steps in turn or alternately
It executes.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of welding detection system and welding, which is characterized in that the system comprises: soldering tip, transmission device and detection device, the inspection
It surveys device to be fixed on the soldering tip, the transmission device is connect with the detection device, wherein
The transmission device and welding wire connect, and one end of the welding wire and the soldering tip connect；
The pressure that the detection device is used to that the welding wire to be driven to generate the transmission device when being lifted according to the soldering tip is dynamic
Make detection welded condition.
2. system according to claim 1, which is characterized in that the detection device includes displacement detector；
Transmission device when institute's displacement sensing device is for detecting the welding wire to transmission device generation pressure-operated
Displacement, and the welded condition is detected according to the displacement of the transmission device.
3. system according to claim 1, which is characterized in that the detection device includes elastic force apparatus and the elastic force
The displacement detector of device connection；
When the elastic force apparatus when the soldering tip lifts for driving the welding wire to generate pressure-operated to the transmission device
Generate displacement；
Institute's displacement sensing device is used to detect the displacement of the elastic force apparatus, and is examined according to the displacement of the elastic force apparatus
Survey the welded condition.
4. system according to claim 2 or 3, which is characterized in that institute's displacement sensing device is specifically used for according to
The displacement of transmission device and preset displacement threshold value or displacement and preset displacement threshold value according to the elastic force apparatus, inspection
Survey the welded condition；If the displacement of the displacement of the transmission device or the elastic force apparatus is less than or equal to described preset
Displacement threshold value, it is determined that the welded condition is rosin joint；If the displacement of the displacement of the transmission device or the elastic force apparatus
Amount is greater than the preset displacement threshold value, it is determined that the welded condition is that welding is normal.
5. system according to claim 1, which is characterized in that the detection device includes pressure-detecting device；
The pressure-detecting device drives the welding wire to the biography for detecting when soldering tip lifts in the welding detection system and welding
The pressure value for the pressure-operated that dynamic device generates, and the welded condition is detected according to the pressure value.
6. system according to claim 5, which is characterized in that the pressure-detecting device is specifically used for according to the pressure
Value and preset pressure threshold, detect the welded condition；If the pressure value is less than or equal to the preset pressure threshold,
Then determine that the welded condition is rosin joint；If the pressure value is greater than the preset pressure threshold, it is determined that the welding shape
State is that welding is normal.
7. a kind of welding detection method, which is characterized in that the method is applied to weld inspection as described in claim any one of 1-6
Examining system, which comprises
The pressure for driving the welding wire to generate the transmission device when being lifted according to the soldering tip in the welding detection system and welding is dynamic
Make detection welded condition.
8. the method according to the description of claim 7 is characterized in that the soldering tip according in the welding detection system and welding lifts
When drive the welding wire to generate the transmission device pressure-operated detect welded condition, comprising:
Obtain the displacement that the transmission device in the welding detection system and welding generates under the pressure-operated；
The displacement of the transmission device is compared with the preset displacement threshold value；
If the displacement of the transmission device is less than or equal to the preset displacement threshold value, it is determined that the welded condition is void
Weldering；
If the displacement of the transmission device is greater than the preset displacement threshold value, it is determined that the welded condition is to weld just
Often.
9. the method according to the description of claim 7 is characterized in that the soldering tip according in the welding detection system and welding lifts
When drive the welding wire to generate the transmission device pressure-operated detect welded condition, comprising:
Obtain the displacement that the elastic force apparatus in the welding detection system and welding generates under the pressure-operated；
The displacement of the elastic force apparatus is compared with the preset displacement threshold value；
If the displacement of the elastic force apparatus is less than or equal to the preset displacement threshold value, it is determined that the welded condition is void
Weldering；
If the displacement of the elastic force apparatus is greater than the preset displacement threshold value, it is determined that the welded condition is to weld just
Often.
10. the method according to the description of claim 7 is characterized in that the soldering tip according in the welding detection system and welding is lifted
The welding wire is driven to detect welded condition to the pressure-operated that the transmission device generates when rising, comprising:
Obtain the pressure-operated for driving the welding wire to generate the transmission device when soldering tip lifts in the welding detection system and welding
Pressure value；
The pressure value is compared with the preset pressure threshold；
If the pressure value is less than or equal to the preset pressure threshold, it is determined that the welded condition is rosin joint；
If the pressure value is greater than the preset pressure threshold, it is determined that the welded condition is that welding is normal.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113241502A (en) * | 2021-04-13 | 2021-08-10 | 珠海冠宇电池股份有限公司 | Insufficient solder detection method, insufficient solder detection device and preparation method of lithium battery |
| US11660706B2 (en) | 2019-11-18 | 2023-05-30 | Industrial Technology Research Institute | Welding quality detection system and welding quality detection method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5651645A (en) * | 1979-10-03 | 1981-05-09 | Seiken:Kk | Inspecting device for welding strength of lead wire |
| US6179197B1 (en) * | 1998-06-16 | 2001-01-30 | Kulicke & Soffa Investments Inc. | Missing wire detector |
| US6667625B1 (en) * | 2001-12-31 | 2003-12-23 | Charles F. Miller | Method and apparatus for detecting wire in an ultrasonic bonding tool |
| CN202853980U (en) * | 2012-05-23 | 2013-04-03 | 连云港神舟新能源有限公司 | Detector for welding quality of solar welding strips |
| CN203053939U (en) * | 2012-12-10 | 2013-07-10 | 江苏先特能源装备有限公司 | Welding quality detection device for terminal of storage battery of electromobile |
| CN203804407U (en) * | 2014-05-06 | 2014-09-03 | 长春光华微电子设备工程中心有限公司 | Full-automatic ultrasonic welding head of aluminum wire pressure welder |
| CN106950105A (en) * | 2017-03-11 | 2017-07-14 | 深圳市丰顺泰和投资合伙企业（有限合伙） | Battery modules aluminium wire ultrasonic bonding pull force calculation device and method |
| CN206339634U (en) * | 2016-12-28 | 2017-07-18 | 深圳市豪鹏科技有限公司 | A kind of battery pole piece dry joint detection device |
| CN206362630U (en) * | 2016-12-28 | 2017-07-28 | 福建闽航电子有限公司 | A kind of lead solder-joint strength testing device |
| CN207386798U (en) * | 2017-09-25 | 2018-05-22 | 宁德时代新能源科技股份有限公司 | Chopper component and device for ultrasonic welding |
| CN208366749U (en) * | 2018-07-03 | 2019-01-11 | 上海华群实业股份有限公司 | A kind of power equipment dry joint detection device |
| CN109202237A (en) * | 2018-11-30 | 2019-01-15 | 南京奥源科技实业有限公司 | A kind of rosin joint leak inductance device for robot automatic arc stud welding machine |
-
2019
- 2019-02-27 CN CN201910146625.1A patent/CN109877489B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5651645A (en) * | 1979-10-03 | 1981-05-09 | Seiken:Kk | Inspecting device for welding strength of lead wire |
| US6179197B1 (en) * | 1998-06-16 | 2001-01-30 | Kulicke & Soffa Investments Inc. | Missing wire detector |
| US6667625B1 (en) * | 2001-12-31 | 2003-12-23 | Charles F. Miller | Method and apparatus for detecting wire in an ultrasonic bonding tool |
| CN202853980U (en) * | 2012-05-23 | 2013-04-03 | 连云港神舟新能源有限公司 | Detector for welding quality of solar welding strips |
| CN203053939U (en) * | 2012-12-10 | 2013-07-10 | 江苏先特能源装备有限公司 | Welding quality detection device for terminal of storage battery of electromobile |
| CN203804407U (en) * | 2014-05-06 | 2014-09-03 | 长春光华微电子设备工程中心有限公司 | Full-automatic ultrasonic welding head of aluminum wire pressure welder |
| CN206339634U (en) * | 2016-12-28 | 2017-07-18 | 深圳市豪鹏科技有限公司 | A kind of battery pole piece dry joint detection device |
| CN206362630U (en) * | 2016-12-28 | 2017-07-28 | 福建闽航电子有限公司 | A kind of lead solder-joint strength testing device |
| CN106950105A (en) * | 2017-03-11 | 2017-07-14 | 深圳市丰顺泰和投资合伙企业（有限合伙） | Battery modules aluminium wire ultrasonic bonding pull force calculation device and method |
| CN207386798U (en) * | 2017-09-25 | 2018-05-22 | 宁德时代新能源科技股份有限公司 | Chopper component and device for ultrasonic welding |
| CN208366749U (en) * | 2018-07-03 | 2019-01-11 | 上海华群实业股份有限公司 | A kind of power equipment dry joint detection device |
| CN109202237A (en) * | 2018-11-30 | 2019-01-15 | 南京奥源科技实业有限公司 | A kind of rosin joint leak inductance device for robot automatic arc stud welding machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11660706B2 (en) | 2019-11-18 | 2023-05-30 | Industrial Technology Research Institute | Welding quality detection system and welding quality detection method |
| CN113241502A (en) * | 2021-04-13 | 2021-08-10 | 珠海冠宇电池股份有限公司 | Insufficient solder detection method, insufficient solder detection device and preparation method of lithium battery |
| CN113241502B (en) * | 2021-04-13 | 2022-12-27 | 珠海冠宇电池股份有限公司 | Insufficient solder detection method, insufficient solder detection device and preparation method of lithium battery |
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