CN218213093U - Soft-package battery internal resistance measuring equipment - Google Patents
Soft-package battery internal resistance measuring equipment Download PDFInfo
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- CN218213093U CN218213093U CN202221829291.1U CN202221829291U CN218213093U CN 218213093 U CN218213093 U CN 218213093U CN 202221829291 U CN202221829291 U CN 202221829291U CN 218213093 U CN218213093 U CN 218213093U
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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a soft-package battery internal resistance measuring equipment, which comprises a battery placing table, a battery internal resistance measuring instrument, a fixed table, a driving mechanism and a compression structure, wherein the fixed table is fixed above the battery placing table; the instrument main body and the driving mechanism of the battery internal resistance measuring instrument are arranged on the fixed table, the driving mechanism comprises a driving rod, the compression structure comprises a pole lug pressing block, the pole lug pressing block is provided with a pole lug compression surface, the driving rod is used for driving the pole lug pressing block to move downwards so that the pole lug compression surface is compressed on a battery pole lug, a meter pen fixing hole is formed in the pole lug pressing block, the meter pen is in contact with the pole lug when the pole lug compression surface is compressed on the pole lug, the meter pen and the pole lug pressing block are fixed together, the driving rod is utilized to drive the meter pen and the pole lug pressing block to be compressed on the pole lug, the phenomenon that the meter pen is manually held to apply force to the pole lug independently is avoided, the consistency of the compression force is favorably improved, and the measurement is accurate.
Description
Technical Field
The utility model relates to a battery detection area, concretely relates to laminate polymer battery internal resistance measuring equipment.
Background
After the manufacturing of the soft package battery is completed, grouping sorting work needs to be carried out in the monomer delivery and module integration processes, and grouping consistency of the battery is guaranteed through screening the voltage, the alternating current internal resistance, the capacity, the K value and other information of the soft package battery. When the battery internal resistance measuring instrument is used for measuring the alternating current internal resistance of the soft package battery, the lug of the battery is soft in texture and easy to be uneven, and the measurement position and the pressing force are inconsistent during manual operation, so that the alternating current internal resistance measured each time is different, the field measurement result is inconsistent with the quality inspection measurement result, and even exceeds the resistance error allowable range of the process requirement, repeated measurement needs to be carried out for many times to ensure that the error meets the requirement, and the production progress is seriously influenced.
In order to improve the accuracy of measuring the alternating-current internal resistance of the soft-package battery, the chinese utility model with the publication number CN213689881U discloses a battery internal resistance measuring tool, which comprises a base and a probe seat, wherein a groove is arranged on the base, the bottom of the groove forms a tab supporting surface for placing the tab of the battery, a protrusion corresponding to the groove is arranged on the bottom surface of the probe seat, when the internal resistance of the battery is measured, the tab of the battery is placed on the tab supporting surface, the tab of the battery is positioned in the left-right direction by the groove forming a tab positioning structure, the probe seat is placed on the base, the protrusion on the bottom surface of the probe seat correspondingly extends into the groove on the base, the space between the bottom surface of the protrusion and the bottom of the groove is used for accommodating the tab, a probe hole is arranged on the probe seat corresponding to the tab of the battery, the probe hole is used for positioning the probe (meter pen) of the battery internal resistance measuring instrument, the probe is inserted into the probe hole to measure the battery in the groove, the battery measuring tool and the battery measuring instrument are used in cooperation with the battery, the probe hole is used for positioning the probe hole to prevent the internal resistance measuring instrument from interfering with the internal resistance measuring result of the battery from the top-down, and the internal resistance measuring result of the internal resistance measuring instrument, thereby ensuring the accuracy of the internal resistance measuring instrument.
However, the internal resistance measuring equipment for the soft package battery has limitations in practical use, and because the internal resistance measuring instrument of the battery is still manually operated, after an operator inserts positive and negative probes of the internal resistance measuring instrument of the battery into corresponding probe holes, the probes need to be pressed on battery tabs by means of force applied by hands, and the probes are influenced by human factors, and the pressing force is inconsistent during each measurement, so that the measurement result is inconsistent, and the accuracy of the measurement result is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a laminate polymer battery internal resistance measuring equipment to solve current laminate polymer battery internal resistance measuring equipment and measure unsafe problem.
The utility model discloses a laminate polymer battery internal resistance measuring equipment's technical scheme is:
a soft package battery internal resistance measuring device comprises a battery placing table and a battery internal resistance measuring instrument, wherein a tab supporting surface is arranged on the battery placing table, the battery internal resistance measuring instrument comprises an instrument main body and a meter pen connected with the instrument main body through a wire harness, and further comprises a fixed table, a supporting body, a driving mechanism and a pressing structure, the fixed table is located above the battery placing table, the supporting body is arranged between the fixed table and the battery placing table, the upper end of the supporting body is fixed with the fixed table, and the lower end of the supporting body is fixed with the battery placing table; the instrument main body and the actuating mechanism of the battery internal resistance measuring instrument are both arranged on the fixing table, the actuating mechanism comprises an actuating rod capable of moving up and down, the compression structure comprises a pole lug pressing block, a downward pole lug compression surface is arranged on the pole lug pressing block, the actuating rod is used for driving the pole lug pressing block to move downwards so that the pole lug compression surface is compressed on a battery pole lug, a meter pen fixing hole is further formed in the pole lug pressing block, and the lower end, stretching into the meter pen fixing hole, of the meter pen is used for being in contact with the battery pole lug when the pole lug compression surface is compressed on the battery pole lug.
Has the beneficial effects that: the fixing table is arranged above the battery placing table, so that an instrument main body and a driving mechanism of the battery internal resistance measuring instrument are respectively fixed by taking the fixing table as an installation basis, a driving rod of the driving mechanism is positioned above the battery placing table and can move up and down, and a tab pressing block can be driven to move up and down by utilizing the driving rod of the driving mechanism; compress tightly utmost point ear through utmost point ear compression surface, can guarantee the roughness of utmost point ear, do benefit to unified measuring position, simultaneously, owing to be in the same place pen-shape metre and utmost point ear briquetting are fixed, and utilize actuating mechanism's actuating lever to drive pen-shape metre and utmost point ear briquetting and press on utmost point ear, can avoid the independent antipodal ear application of force of artifical handheld pen-shape metre, be favorable to improving the uniformity of packing force when measuring, be favorable to measuring the accuracy.
Furthermore, the compression structure also comprises a connecting rod, and the connecting rod extends along the left-right direction; the utmost point ear briquetting has two, and two pole ear briquetting are installed on the connecting rod, and the lower extreme of actuating lever links to each other with the connecting rod, and the hookup location of actuating lever and connecting rod is in between two utmost point ear briquetting, and the actuating lever is used for driving utmost point ear briquetting up-and-down motion through the connecting rod.
Has the advantages that: through setting up the connecting rod to through the adaptor between connecting rod conduct two utmost point ear briquetting and the actuating lever, actuating lever accessible connecting rod drives two pole ear briquetting up-and-down motion, makes things convenient for the transmission between two utmost point ear briquetting and the actuating lever to be connected.
Furthermore, the meter pen fixing hole is an upper through hole and a lower through hole, a lower orifice of the meter pen fixing hole is located on the pole lug pressing surface, a meter pen of the battery internal resistance measuring instrument is inserted into the meter pen fixing hole and fixed, guide holes extending left and right are formed in the pole lug pressing block, the guide holes and the meter pen fixing hole are staggered front and back, the connecting rod penetrates through the guide holes, so that the pole lug pressing block is installed on the connecting rod in a guiding and sliding mode along the left and right directions, and a locking structure is further arranged on the pole lug pressing block and/or the connecting rod and used for fixing the position of the pole lug pressing block on the connecting rod.
Has the advantages that: the upper and lower perforating hole makes things convenient for the pen-shape metre to fix, staggers and controls the guiding hole that extends through setting up and pen-shape metre fixed orifices simultaneously to slide the setting of utmost point ear briquetting on the connecting rod, thereby can change the position about utmost point ear briquetting, change the position of pen-shape metre, so that adapt to the different battery of utmost point ear interval.
Furtherly, locking structure establishes the clamp on the connecting rod for the cover, and the left and right sides of each utmost point ear briquetting all is equipped with the clamp, and the clamp is used for cramping and carries on spacingly with the utmost point ear briquetting on the connecting rod in left and right directions.
Has the beneficial effects that: the left and right sides of the tab pressing block can be positioned after the clamp is hooped on the connecting rod, and the tab pressing block is convenient to operate and simple to manufacture.
Furthermore, both ends all are equipped with anti-disengaging structure about the connecting rod, and anti-disengaging structure is used for preventing clamp, utmost point ear briquetting from the slippage on the connecting rod.
Has the beneficial effects that: the clamp and the lug pressing block are prevented from slipping from the connecting rod, and the use is convenient and reliable.
Furthermore, the anti-disengaging structure is a stop ring fixedly sleeved at the end part of the connecting rod.
Has the beneficial effects that: the stop ring is sleeved on the connecting rod to form an anti-disengaging structure, so that the connecting rod can conveniently penetrate through the lug pressing block when the stop ring is not sleeved.
Furthermore, a pressure sensor is arranged at the lower end of the driving rod and used for measuring the down force of the driving rod on the lug pressing block, a pressure display is arranged on the battery placing table and connected with the pressure sensor to display the down force.
Has the beneficial effects that: the pressure sensor uploads the pressure value after the driving rod is pressed down to the pressure display, the operator can check the pressure display to know the magnitude of the down pressure, the down pressure is conveniently adjusted, and the pressure value during measurement at every time can be unified.
Furthermore, the support body comprises two upright columns which are arranged at left and right intervals, the upper end and the lower end of each upright column are respectively fixed with the fixed table and the battery placing table, the instrument main body of the battery internal resistance measuring instrument is arranged on the upper side face of the fixed table, and the driving mechanism is arranged on the lower side face of the fixed table.
Has the beneficial effects that: two columns and the fixed table which are arranged at intervals form a portal frame structure, a reliable installation foundation can be formed, meanwhile, enough installation space is provided for the driving mechanism to be installed on the lower side of the fixed table, and the instrument main body is arranged on the upper side of the fixed table, is convenient to use the intervals between the two columns to route and is compact in structure.
Furthermore, the driving mechanism is an electric push rod, and the push rod of the electric push rod forms a driving rod; or the driving mechanism is a cylinder, and a piston rod of the cylinder forms a driving rod; or the driving mechanism is a hydraulic cylinder, and a piston rod of the hydraulic cylinder forms a driving rod.
Has the beneficial effects that: the electric push rod or the air cylinder or the hydraulic cylinder forms the driving mechanism, so that the downward pressure of the driving rod on the lug pressing block is conveniently controlled, and the automatic downward pressing action is favorably realized.
Furthermore, the driving mechanism is a cylinder, an air inlet pipe is connected to the cylinder, and an air filtering pressure reducer is arranged on the air inlet pipe.
Has the beneficial effects that: through setting up the filtration pressure reducer, can purify the air, conveniently adjust atmospheric pressure to required value simultaneously, the control is carried the pressure of giving the cylinder to match with the pressure of pushing down utmost point ear.
Drawings
Fig. 1 is a schematic view of a first view angle structure of an embodiment 1 of the internal resistance measuring device for a pouch battery of the present invention;
fig. 2 is a schematic diagram of a second view angle structure of the soft package battery internal resistance measuring device of embodiment 1 of the present invention;
fig. 3 is a front view of the soft-package battery internal resistance measuring device of embodiment 1 of the present invention;
figure 4 is the utility model discloses a laminate polymer battery internal resistance measuring equipment embodiment 1's side view.
In the figure: 1. a battery mounting table; 11. a battery housing groove; 12. a pressure display; 13. a length limiting member; 14. a width limiting member; 2. a fixed table; 3. a battery internal resistance measuring instrument; 31. a meter pen wiring harness; 32. a meter pen; 4. a column; 5. a drive mechanism; 51. a drive rod; 52. an air inlet pipe; 53. an air filtration pressure reducer; 54. a first air pipe; 55. a second air pipe; 56. an electromagnetic pneumatic valve switch; 6. a pressure sensor; 61. a sensor harness; 7. pressing a tab; 8. a connecting rod; 9. and (5) clamping the hoop.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, which may be used herein in accordance with certain embodiments of the invention, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the possible occurrences of the phrases "comprising one of 8230; \8230;" comprising 8230; "etc. does not exclude the presence of additional identical elements in any process, method, article, or apparatus that comprises the element.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" as may be used herein are to be construed broadly, e.g., as being fixed or releasably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be connected internally or indirectly to each other. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.
The present invention will be described in further detail with reference to examples.
The utility model discloses an embodiment 1 of laminate polymer battery internal resistance measuring equipment:
as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the internal resistance measuring device of the soft package battery includes a battery placing table 1, a fixing table 2, an internal resistance measuring instrument 3, a driving mechanism 5, and a pressing structure, the battery placing table 1 is used for placing the battery, the battery placing table 1 is provided with a tab supporting surface for supporting a tab of the battery, the internal resistance measuring instrument 3 includes an instrument main body and a pen pointer 32 connected with the instrument main body through a wire harness, the fixing table 2 is located above the battery placing table 1, the instrument main body of the internal resistance measuring instrument 3 is arranged on an upper side surface of the fixing table 2, the driving mechanism 5 is arranged on a lower side surface of the fixing table 2, the pressing structure includes a tab pressing block 7 and a connecting rod 8, the driving mechanism 5 is connected with the connecting rod 8 and can drive the tab pressing block 7 to move up and down through the connecting rod 8, the tab pressing block 7 is used for pressing against the battery tab, the pen pointer 32 of the internal resistance measuring instrument 3 is fixed on the tab pressing block 7 and contacts with the battery tab after the tab pressing block 7 is pressed against the battery tab, and the ac internal resistance of the soft package battery is measured.
The battery is laid and is equipped with battery mounting groove 11 that the battery was placed on the platform 1, the preceding lateral wall of battery mounting groove 11 is equipped with the utmost point ear groove that supplies utmost point ear to lay, utmost point ear groove left and right sides interval is equipped with two, two utmost point ear grooves are used for corresponding two battery tab's position, utmost point ear groove communicates with each other around 11 battery mounting grooves, the notch of utmost point ear groove up, the tank bottom surface of utmost point ear groove constitutes utmost point ear holding surface, utmost point ear holding surface sets up the notch front side at battery mounting groove 11, with after battery mounting groove 11 is put to the main part at the battery, make battery tab's downside paste with utmost point ear holding surface mutually.
The adjustable limiting parts are respectively arranged on the left side wall, the right side wall and the rear side wall of the battery mounting groove 11, the adjustable limiting parts at the left side wall and the right side wall of the battery mounting groove 11 are width limiting parts 14, the adjustable limiting parts at the rear side wall of the battery mounting groove 11 are length limiting parts 13, each adjustable limiting part comprises an adjusting plate capable of being horizontally adjusted and moved, the adjusting plate and the front side wall of the battery mounting groove 11 form a battery mounting area for positioning and mounting a battery to be detected in the battery mounting groove 11, the adjusting plate is parallel to the corresponding side wall and is connected with the corresponding side wall through a translation adjusting mechanism, the translation adjusting mechanism comprises an adjusting screw rod and a U-shaped frame, the U-shaped frame comprises two parallel arms and an intermediate connecting part, a U-shaped opening of the U-shaped frame faces the adjusting plate, the two parallel arms of the U-shaped frame are fixed with the adjusting plate, one end of the adjusting screw rod is in threaded connection with the intermediate connecting part of the U-shaped frame, the other end of the adjusting screw rod penetrates out of the measuring table and is fixedly provided with an adjusting handle, the lower end of the adjusting plate is in blocking fit with the bottom of the battery mounting groove 11, the battery can be horizontally moved by rotating the adjusting handle through a nut mechanism, the adjusting plate can be tightly supported and fixedly placed in the battery mounting groove 11, and can play a role of fixing the soft package of batteries with different models.
The whole blocky structure that is of fixed station 2, fixed station 2 passes through stand 4 to be fixed in the top that the platform 1 was laid to the battery, and stand 4 has two, controls the interval and sets up, and two stands 4 form the supporter, and the supporter setting is laid between platform 1 at fixed station 2 and battery, and the upper and lower both ends of stand 4 are fixed with fixed station 2, battery respectively and are laid the platform. The stand 4 is fixed in the downside of fixed station 2, and two stands 4 of controlling the interval form the portal frame structure with fixed station 2, can form reliable installation basis, have sufficient installation space simultaneously.
The driving mechanism 5 is a cylinder, the cylinder comprises a cylinder body and a piston rod, the piston rod of the cylinder is a driving rod 51, the cylinder body of the cylinder is fixed on the lower side surface of the fixed table 2, and the driving rod 51 extends downwards from the cylinder body and can move up and down.
The lower extreme of actuating lever 51 links to each other with connecting rod 8, and connects in the middle part position of connecting rod 8, and connecting rod 8 extends along left right direction, and utmost point ear briquetting 7 has two, and two poles of the earth ear briquetting 7 are installed on connecting rod 8, and the hookup location of actuating lever 51 and connecting rod 8 is in between two utmost point ear briquetting 7, and actuating lever 51 is used for driving utmost point ear briquetting 7 through connecting rod 8 and moves from top to bottom. The connecting rod 8 is used as a connector between the two pole lug pressing blocks 7 and the driving rod 51, and the driving rod 51 can drive the two pole lug pressing blocks 7 to move up and down through the connecting rod 8, so that the two pole lug pressing blocks 7 and the driving rod 51 are conveniently connected in a transmission manner.
Utmost point ear briquetting 7 is the insulating block, is equipped with the guiding hole of extending about on utmost point ear briquetting 7, and the guiding hole supplies connecting rod 8 to pass so that utmost point ear briquetting 7 is along left right direction slidable mounting on connecting rod 8, slides utmost point ear briquetting 7 and sets up on connecting rod 8 to can change utmost point ear briquetting 7 and control the position, so that adapt to the different battery of utmost point ear interval. Correspondingly, the size of the lug groove in the left-right direction is larger than that of the lug pressing block in the left-right direction, so that the lug pressing block 7 can still enter the lug groove to press the lug after the left-right position is changed.
The cover is equipped with clamp 9 on connecting rod 8, and the left and right sides of each utmost point ear briquetting 7 all is equipped with clamp 9, and clamp 9 includes the clamp 9 ring body and screws up the bolt, cramps clamp 9 ring body on connecting rod 8 through screwing up the bolt, and clamp 9 constitutes the locking structure, and the locking structure is used for fixed utmost point ear briquetting 7 position on connecting rod 8, and clamp 9 is used for cramping and is spacing with utmost point ear briquetting 7 on connecting rod 8 on the left and right sides direction. After the clamp 9 on the left and right sides of the tab pressing block 7 is hooped on the connecting rod 8, the side face of the tab pressing block 7 in the left and right directions can be limited through the clamp 9 ring body, and then the tab pressing block 7 is positioned, so that the operation is convenient and the manufacture is simple.
Both ends all are equipped with the stop ring about connecting rod 8, and the fixed cover of stop ring is established at the tip of connecting rod 8, and the stop ring constitutes anti-disengaging structure, and anti-disengaging structure is used for preventing clamp 9, utmost point ear briquetting 7 slippage from connecting rod 8, during the installation, can pass utmost point ear briquetting 7 with connecting rod 8 earlier, fixed suit stop ring again.
The tab pressing block 7 is a square structure, a downward tab pressing surface is arranged on the tab pressing block, the driving rod 51 is used for driving the tab pressing block 7 to move downwards so that the tab pressing surface is pressed on the battery tab, and the tab pressing block 7 plays a role in flattening and fixing the tab. The tab pressing block 7 is further provided with a gauge pen 32 fixing hole, the gauge pen 32 fixing hole is an upper through hole and a lower through hole, the gauge pen 32 fixing hole and the guide hole are staggered front and back, a lower orifice of the gauge pen 32 fixing hole is located on the tab pressing surface, the gauge pen 32 of the battery internal resistance measuring instrument 3 is inserted into the gauge pen 32 fixing hole and fixed, and the lower end of the gauge pen 32, which extends into the gauge pen 32 fixing hole, is used for contacting with the battery tab when the tab pressing surface is pressed on the battery tab. The upper end of the gauge pen 32, which is exposed out of the gauge pen 32 fixing hole, is connected to the meter main body of the battery internal resistance measuring instrument 3 through a gauge pen wiring harness 31 to display the internal resistance measurement value.
The joint of the driving rod 51 and the connecting rod 8 is provided with a pressure sensor 6, the pressure sensor 6 is used for measuring the downward pressure of the antipodal ear pressing block 7 of the driving rod 51, the battery placing table 1 is provided with a pressure display 12, and the pressure display 12 is connected with the pressure sensor 6 through a sensor wire harness 61 so as to display the downward pressure value. The pressure sensor 6 uploads the pressure value after the driving rod 51 is pressed down to the pressure display 12, an operator can know the magnitude of the pressing force by checking the pressure display 12, the pressing force is conveniently adjusted, and the pressure value during measurement at each time can be unified.
Because the driving mechanism 5 is a cylinder, the external air pressure can affect the downward pressure of the driving rod 51, therefore, the air inlet pipe 52 connected with the cylinder is connected with the air filtering pressure reducer 53 in series, the air filtering pressure reducer 53 is the prior art, and through the arrangement of the air filtering pressure reducer 53, the air can be purified, meanwhile, the air pressure can be conveniently adjusted to a required value, and the pressure transmitted to the cylinder is controlled to be matched with the pressure of the downward pressing tab. The air filtration pressure device comprises a knob capable of adjusting pressure and a pressure indicating instrument. The pressure of the air cylinder is controlled by adjusting the pressure knob by external air pressure, and the pressure indicating instrument can display the adjusted air pressure.
Through setting up the filtration pressure gauge, set up the pressure value, press solenoid pneumatic valve switch 56 button again, through the inside piston motion of cylinder, push down the utmost point ear is automatic to can show corresponding pressure value through pressure display 12.
When the device is used, the air inlet pipe 52 is connected with an air source, the electromagnetic pneumatic valve switch 56 is switched, the piston rod is pressed down through the air cylinder, the air filtering pressure device is adjusted to set the pressure for pressing down the lug, the electromagnetic pneumatic valve switch 56 is switched to move the piston rod upwards, and the setting of the pressing down pressure value is completed; placing the soft package battery on the battery placing table 1, and fixing the battery through an adjustable limiting piece; the tab pressing block 7 is moved left and right to keep right facing the battery tab, and the tab pressing block 7 is fixed through a clamp 9; the electromagnetic pneumatic valve switch 56 is shifted, the piston rod is pressed down through the air cylinder, the tab pressing block 7 is tightly pressed on the battery tab, at the moment, the gauge pen 32 of the battery internal resistance measuring instrument 3 fixed on the tab pressing block 7 can measure the internal resistance of the battery tab, and meanwhile, the pressure sensor 6 can upload the pressure value to the pressure display 12; then, the electromagnetic pneumatic valve switch 56 is turned over, and the piston rod is lifted back through the air cylinder to be restored to the initial state; then the first battery is taken out, another battery is placed, the electromagnetic pneumatic valve switch 56 is shifted again, and the alternating current internal resistance of the second battery can be measured.
The fixing table 2 is arranged above the battery placing table 1, so that the instrument main body of the battery internal resistance measuring instrument 3 and the driving mechanism 5 are respectively fixed on the upper side and the lower side of the fixing table 2 by taking the fixing table 2 as an installation basis, the driving rod 51 of the driving mechanism 5 is positioned above the battery placing table 1 and can move up and down, so that the driving rod 51 of the driving mechanism 5 can be utilized to drive the lug pressing block 7 to move up and down, meanwhile, because the gauge pen 32 of the battery internal resistance measuring instrument 3 is fixed in the gauge pen 32 fixing hole of the lug pressing block 7, the gauge pen 32 can move up and down along with the lug pressing block 7, when the lug pressing block 7 is driven to move down, the lug pressing surface of the lug pressing block 7 can be pressed on the lug, and meanwhile, the lower end of the gauge pen 32 is contacted with the battery lug; the cylinder automatically presses the lug pressing block 7 according to the electromagnetic pneumatic valve switch 56 through a set pressure value, the lug of the soft package battery can be pressed flat, the flatness of the lug is guaranteed, the unified measurement position is facilitated, meanwhile, the meter pen 32 and the lug pressing block 7 are fixed together, the condition that the position of the lug is measured by the battery internal resistance measuring instrument 3 is unified every time, the meter pen 32 can be pressed along with the lug pressing block 7 to directly measure the alternating current internal resistance of the battery, the driving rod 51 of the driving mechanism 5 is utilized to drive the meter pen 32 and the lug pressing block 7 to be pressed on the lug, the situation that the meter pen 32 is manually held to apply force to the lug alone can be avoided, the consistency of pressing force during measurement is facilitated, the measurement accuracy is facilitated, further, the pressure display 12 can upload the pressed pressure value to a display screen through the pressure sensor 6, the pressure value every time is guaranteed, the number of repeated measurement of the alternating current internal resistance is reduced, the working efficiency is effectively improved, and the method can be applied to a grouping and sorting stage before the delivery and integration of the soft package battery monomers, the measurement accuracy can be effectively assisted by personnel during batch delivery, and the operation efficiency is improved.
The utility model discloses an embodiment 2 of laminate polymer battery internal resistance measuring equipment:
the difference between the embodiment and embodiment 1 is that in embodiment 1, the compression structure further includes a connecting rod, two tab pressing blocks are provided, and the two tab pressing blocks are mounted on the connecting rod. In the embodiment, the compression structure is a square insulation column extending left and right, the middle part of the insulation column is fixed with the driving rod, and the parts of the insulation column at the left side and the right side of the driving rod are used for forming the tab pressing block.
The utility model discloses an embodiment 3 of laminate polymer battery internal resistance measuring equipment:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the locking structure is a clip that is sleeved on the connecting rod. In the embodiment, the locking structure is a jackscrew penetrating through the tab pressing block, and the jackscrew is pressed against the connecting rod to fix the tab pressing block.
The utility model discloses an embodiment 4 of laminate polymer battery internal resistance measuring equipment:
the difference between this embodiment and embodiment 1 is that in embodiment 1, the support body includes two vertical columns spaced left and right, and the upper and lower ends of the vertical columns are fixed to the fixing table and the battery mounting table, respectively. In the embodiment, the support body is a support plate, and the support plate is provided with avoiding holes for avoiding the meter pen wiring harness and the sensor wiring harness.
Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments may be modified without inventive effort, or some technical features may be substituted equally. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A soft package battery internal resistance measuring device comprises a battery placing table (1) and a battery internal resistance measuring instrument (3), wherein a tab supporting surface is arranged on the battery placing table (1), the battery internal resistance measuring instrument (3) comprises an instrument main body and a meter pen (32) connected with the instrument main body through a wire harness, and the soft package battery internal resistance measuring device is characterized by further comprising a fixed table (2), a supporting body, a driving mechanism (5) and a pressing structure, wherein the fixed table (2) is located above the battery placing table (1), the supporting body is arranged between the fixed table (2) and the battery placing table (1), the upper end of the supporting body is fixed with the fixed table (2), and the lower end of the supporting body is fixed with the battery placing table (1); instrument main part and actuating mechanism (5) of battery internal resistance measuring apparatu (3) all set up actuating mechanism (5) on the fixed station including actuating lever (51) that can move about from top to bottom, and compact structure includes utmost point ear briquetting (7), is equipped with utmost point ear pressing surface down on utmost point ear briquetting (7), and actuating lever (51) are used for driving utmost point ear briquetting (7) downstream so that utmost point ear pressing surface compresses tightly on battery tab, still is equipped with the pen-shape metre fixed orifices on utmost point ear briquetting (7), the lower extreme that stretches into the pen-shape metre fixed orifices of pen-shape metre (32) is used for compressing tightly on battery tab with battery tab contact when utmost point ear pressing surface.
2. The soft-package battery internal resistance measuring device according to claim 1, wherein the compressing structure further comprises a connecting rod (8), and the connecting rod (8) extends in the left-right direction; the two pole lug pressing blocks (7) are installed on the connecting rod (8), the lower end of the driving rod (51) is connected with the connecting rod (8), the connecting position of the driving rod (51) and the connecting rod (8) is located between the two pole lug pressing blocks (7), and the driving rod (51) is used for driving the pole lug pressing blocks (7) to move up and down through the connecting rod (8).
3. The internal resistance measuring equipment for the soft package battery according to claim 2, wherein the gauge pen fixing hole is an upper through hole and a lower through hole, a lower orifice of the gauge pen fixing hole is positioned on the lug pressing surface, the gauge pen (32) of the internal resistance measuring instrument (3) is inserted into the gauge pen fixing hole and fixed, a guide hole extending left and right is formed in the lug pressing block (7), the guide hole and the gauge pen fixing hole are staggered front and back, the guide hole is used for the connecting rod (8) to penetrate so that the lug pressing block (7) is slidably installed on the connecting rod (8) along the left and right direction, and a locking structure is further arranged on the lug pressing block (7) and/or the connecting rod (8) and used for fixing the position of the lug pressing block (7) on the connecting rod (8).
4. The soft package battery internal resistance measuring equipment according to claim 3, characterized in that the locking structure is a hoop (9) sleeved on the connecting rod (8), the left side and the right side of each tab pressing block (7) are provided with the hoops (9), and the hoops (9) are used for hooping on the connecting rod (8) to limit the tab pressing blocks (7) in the left-right direction.
5. The soft package battery internal resistance measuring equipment according to claim 4, characterized in that the left and right ends of the connecting rod (8) are provided with anti-disengaging structures, and the anti-disengaging structures are used for preventing the clamp (9) and the tab pressing block (7) from slipping off from the connecting rod (8).
6. The soft package battery internal resistance measuring device according to claim 5, characterized in that the anti-falling structure is a stop ring fixedly sleeved at the end part of the connecting rod (8).
7. The internal resistance measuring device of the soft package battery according to any one of the claims 1 to 6, characterized in that the lower end of the driving rod (51) is provided with a pressure sensor (6), the pressure sensor (6) is used for measuring the downward pressure of the antipodal ear pressure block (7) of the driving rod (51), the battery placing table (1) is provided with a pressure display (12), and the pressure display (12) is connected with the pressure sensor (6) for displaying the downward pressure.
8. The soft package battery internal resistance measuring device according to any one of claims 1 to 6, wherein the supporting body comprises two upright posts (4) which are arranged at intervals at the left and the right, the upper ends and the lower ends of the upright posts (4) are respectively fixed with the fixing platform (2) and the battery placing platform, the instrument main body of the battery internal resistance measuring instrument (3) is arranged on the upper side surface of the fixing platform (2), and the driving mechanism (5) is arranged on the lower side surface of the fixing platform (2).
9. The soft package battery internal resistance measuring device according to any one of claims 1 to 6, characterized in that the driving mechanism (5) is an electric push rod, and the push rod of the electric push rod forms a driving rod (51); or the driving mechanism (5) is a cylinder, and a piston rod of the cylinder forms a driving rod (51); or the driving mechanism (5) is a hydraulic cylinder, and a piston rod of the hydraulic cylinder forms a driving rod (51).
10. The device for measuring the internal resistance of the soft package battery according to the claim 9 is characterized in that the driving mechanism (5) is a cylinder, an air inlet pipe (52) is connected to the cylinder, and an air filtering pressure reducer (53) is arranged on the air inlet pipe (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221829291.1U CN218213093U (en) | 2022-07-15 | 2022-07-15 | Soft-package battery internal resistance measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221829291.1U CN218213093U (en) | 2022-07-15 | 2022-07-15 | Soft-package battery internal resistance measuring equipment |
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| Publication Number | Publication Date |
|---|---|
| CN218213093U true CN218213093U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221829291.1U Active CN218213093U (en) | 2022-07-15 | 2022-07-15 | Soft-package battery internal resistance measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218213093U (en) |
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2022
- 2022-07-15 CN CN202221829291.1U patent/CN218213093U/en active Active
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