CN116718317A - Power battery shell leakage detection device - Google Patents

Power battery shell leakage detection device Download PDF

Info

Publication number
CN116718317A
CN116718317A CN202310996092.2A CN202310996092A CN116718317A CN 116718317 A CN116718317 A CN 116718317A CN 202310996092 A CN202310996092 A CN 202310996092A CN 116718317 A CN116718317 A CN 116718317A
Authority
CN
China
Prior art keywords
supporting plate
battery shell
power battery
built
leakage detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310996092.2A
Other languages
Chinese (zh)
Other versions
CN116718317B (en
Inventor
王有生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Changfeng Precision Technology Co ltd
Original Assignee
Jiangsu Changfeng Precision Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Changfeng Precision Technology Co ltd filed Critical Jiangsu Changfeng Precision Technology Co ltd
Priority to CN202310996092.2A priority Critical patent/CN116718317B/en
Publication of CN116718317A publication Critical patent/CN116718317A/en
Application granted granted Critical
Publication of CN116718317B publication Critical patent/CN116718317B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4228Leak testing of cells or batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The invention relates to the technical field of power battery shell leakage detection, in particular to a power battery shell leakage detection device which comprises a sealing liquid injection mechanism, a battery shell mechanism arranged on the sealing liquid injection mechanism and a lifting mechanism arranged on the sealing liquid injection mechanism. The inside of protecting the layer board is offered and is guided the cavity that rivers were poured into, after rivers get into its inner chamber along inlet tube outer end water pipe, transfer along protecting the hole of layer board top and bottom, after two built-in trays are pressed and are distinguished into the cavity of equidimension by a plurality of seals, the aqueous solution that transfers through protecting layer board top and bottom hole just can pour towards each cavity respectively in two built-in trays, and carry out the leakproofness detection to two sets of battery housing mechanisms after the assembly under the continuous pressure boost of rivers, thereby can effectively avoid two casings that the tradition adopts the bolt assembly to take place local deformation or the production of opening because of external force in the leakproofness detection link, avoid two casings to appear the damage.

Description

Power battery shell leakage detection device
Technical Field
The invention relates to the technical field of power battery shell leakage detection, in particular to a power battery shell leakage detection device.
Background
Along with the rapid development of new energy industry, the battery system of the new energy automobile is used as a core component of the electric automobile, the tightness of the battery system directly influences the safety of the whole automobile, and the protection level of a battery box (battery shell) directly influences the quality of a power battery.
At present, an electric housing is divided into an upper part and a lower part, when the tightness of the electric housing needs to be detected, the two housings need to be encapsulated by using bolts manually, but the two housings assembled by using the bolts repeatedly can generate local deformation due to external force in the detection process, and then the butt joint part of the two housings generates gaps, so that the tightness of the two housings after detection is seriously influenced.
The anti-seepage detection is carried out on the two shells of the power battery, and the technical difficulty to be solved by the invention is how to reduce the damage to the two shells in the detection process and improve the pressure application correction on the butt joint ports of the two shells.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows:
the utility model provides a power battery casing leak hunting device, includes seals annotates liquid mechanism, installs the battery casing mechanism on sealing annotating liquid mechanism, installs the elevating system on sealing annotating liquid mechanism and connect on elevating system and the fixture of centre gripping in battery casing mechanism, seal annotating liquid mechanism including the protection layer board, install the inlet tube in protection layer board one end cross bore, install the drain pipe in protection layer board other end cross bore, evenly install a plurality of seals, movable mounting two setting elements on protection layer board outside one side and run through to the protection layer board in and threaded connection in the bolt of two setting elements, battery casing mechanism includes two built-in trays of movable mounting in protection layer board top and bottom respectively, installs the shutoff pad spare in built-in tray and installs the frame at built-in tray top, elevating system includes the hydraulic rod piece of installing in two setting elements, utilizes the bolt to install the truss of hydraulic pressure subsidiary beam piece top, install the truss at the truss outer end at both ends and the fixed mounting of two clamp piece at both ends, the movable mounting is at two side of the vertical bar and the fixed bolster in the expansion board, two side of the expansion board is equipped with two movable mounting base plates, two movable mounting support plates are equipped with two movable mounting base plates.
The present invention may be further configured in a preferred example to: the inside of protection layer board has been seted up the cavity that the guide rivers were poured into, and two notches of symmetric distribution have been seted up to the top and the bottom of protection layer board, diversion hole has all been seted up to protection layer board top surface and bottom surface.
Through adopting above-mentioned technical scheme, utilize to install the inlet tube that leads water entering and the guide water exhaust drain pipe respectively in two transverse holes at protection layer board both ends, after the drain pipe is sealed, follow water from the continuous filling of inlet tube towards protection layer board inner chamber, along with the rising of water pressure, protection layer board top and bottom are compressed tightly two built-in tray inner chambers and can obtain to keep carrying out the prevention of seepage detection under the water pressure effort that rises continuously.
The present invention may be further configured in a preferred example to: the water inlet pipe is formed by combining an end pipe and an external water pipe, and the water outlet pipe is formed by a threaded sleeve and a screw cap.
Through adopting above-mentioned technical scheme, utilize the screw cap control screw sleeve's sealing state, after the screw cap is screwed up at screw sleeve's outer end, along with the water pipe with the water guide to the inner chamber of protection layer board, protection layer board and two built-in tray inner chambers just can form the closure state this moment to the convenience is to the detection of two built-in tray inner chamber leakproofness.
The present invention may be further configured in a preferred example to: the seal is made of rubber materials, and the length of the seal is adapted to the width of the inner cavity of the built-in tray.
Through adopting above-mentioned technical scheme, utilize at the top and the bottom of protection layer board evenly installation a plurality of seals, after two group's battery casing mechanisms are compressed tightly at protection layer board top and bottom with spring and the base of combination state, a plurality of seals alright carry out equidistant separation with the inner chamber of two built-in trays to make things convenient for rivers to carry out the pressure detection to the different positions of built-in tray inner chamber.
The present invention may be further configured in a preferred example to: the clamping piece is integrally in an inverted T-shaped structure, and the end head at the bottom of the clamping piece is arranged on an end rod in the middle of the traction frame.
Through adopting above-mentioned technical scheme, utilize two folder fixed mounting at the both ends of truss, cooperate two folder to suspend the centre gripping with two traction frames in midair, along with the lifting of hydraulic rod spare, by hydraulic sub-pole drive the truss of lifting and two folder alright drive two traction frames and promote, finally realize multiunit spring and base with the top and the bottom of coincide back two sets of battery housing mechanism compress tightly at the protection layer board.
The present invention may be further configured in a preferred example to: the inside of montant top end is offered the slotted hole of centre gripping in advancing the arm-tie top, and the cylindricality cushion is installed to the bottom of montant.
Through adopting above-mentioned technical scheme, utilize the top movable mounting that will advance the arm-tie in the slotted hole of montant top end, when advancing the arm-tie cooperation traction frame or baffle and stretching, the top of advancing the arm-tie at this moment just can provide reverse pressure to the montant, and then can drive the spring of fixed mounting on the montant and press from both sides tightly against a set of battery housing mechanism in protection layer board top.
The present invention may be further configured in a preferred example to: the inside of base has offered the vertical hole that is adapted to montant bottom cylindricality cushion, and the rectangle cushion that the adaptation was symmetrical to the spring is installed to the inboard of base bottom.
Through adopting above-mentioned technical scheme, utilize and run through the cylindrical spacer adaptation to the vertical hole of base with montant bottom to connect the footstock between spring and cylindrical spacer, along with the montant drives the decurrent descending of spring, receive the inside constraint of vertical hole to montant bottom cylindrical spacer of base, thereby can effectively ensure to compress tightly two sets of battery case mechanisms at protection layer board top and bottom and can tend to stability.
The present invention may be further configured in a preferred example to: the top of the auxiliary pressing backing plate is provided with an inwards concave transverse groove, and the two ends of the auxiliary pressing backing plate are provided with transverse holes which are adapted to bolts.
Through adopting above-mentioned technical scheme, utilize the bolt to assist and press the cushion board to fix between two adjacent springs, along with advancing extension of arm-tie, traction frame and baffle, receive two locating parts to the restraint of traction frame, propulsion arm-tie and baffle, propulsion arm-tie after the combination to can ensure that two sets of battery housing mechanisms can accurate and stable compress tightly at the top and the bottom of protection layer board, with the safe detection of pouring in assurance rivers.
By adopting the technical scheme, the beneficial effects obtained by the invention are as follows:
1. according to the invention, the protection support plate is arranged for the ports of the two built-in trays, the top and the bottom of the protection support plate are respectively provided with the grooves which can correspond to the ports of the two built-in trays, the inside of the protection support plate is provided with the cavity which is used for guiding water flow to pour, when water flow enters the inner cavity of the protection support plate along the water pipe at the outer end of the water inlet pipe, the water flow is transferred along the holes at the top and the bottom of the protection support plate, after the two built-in trays are pressed and divided into the cavities with the same size by the plurality of seals, the water solution transferred through the holes at the top and the bottom of the protection support plate can be respectively poured into each cavity in the two built-in trays, and the tightness detection is carried out on the assembled two groups of battery shell mechanisms under the continuous pressure rising of the water flow, so that the two shells assembled by the traditional bolts can be effectively prevented from being partially deformed or the generation of gaps due to external force in the tightness detection link, and the damage of the two shells is avoided.
2. According to the invention, the plurality of bases and the plurality of springs are arranged outside the two groups of battery shell mechanisms at the top and the bottom of the protection support plate, when the pushing pull plate is pressed and stretched, the springs fixedly arranged on the vertical rods continuously boost pressure downwards against the two groups of battery shell mechanisms at the top of the protection support plate along with the downward pushing of the top end of the pushing pull plate to the vertical rods, meanwhile, the other group of battery shell mechanisms at the bottom of the protection support plate also compress against the bottom of the protection support plate under the action of pressure, at the moment, the ports, close to the protection support plate, of the two built-in trays are respectively compressed in the notches at the top and the bottom of the protection support plate, under the action of continuous pressure, the two built-in trays are subjected to correction treatment by the plurality of springs and the bases, and at the moment, the two groups of battery shell mechanisms for seepage prevention detection can be corrected.
Drawings
FIG. 1 is a schematic illustration of the present invention in use;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic view of a seal infusion mechanism and battery housing mechanism of the present invention;
FIG. 4 is a schematic view of a seal liquid injection mechanism according to the present invention;
FIG. 5 is an enlarged schematic view of the invention at A;
FIG. 6 is a schematic view of a battery housing mechanism of the present invention;
FIG. 7 is a schematic cross-sectional view of a protective pallet of the present invention;
FIG. 8 is a schematic view of a lifting mechanism and clamping mechanism of the present invention;
FIG. 9 is a schematic view of a lifting mechanism according to the present invention;
fig. 10 is a dispersion schematic of the clamping mechanism of the present invention.
Reference numerals:
100. sealing and liquid injection mechanisms; 110. a protective supporting plate; 120. a water inlet pipe; 130. a drain pipe; 140. a seal; 150. a positioning piece; 160. a bolt;
200. a battery housing mechanism; 210. a tray is arranged in the tray; 220. an outer frame; 230. a plugging pad;
300. a lifting mechanism; 310. a hydraulic rod; 320. a beam; 330. truss; 340. a clamping piece;
400. a clamping mechanism; 410. a traction frame; 420. a partition plate; 430. pushing the pulling plate, 440, vertical rod; 450. a base; 460. a spring; 470. a top base; 480. a limiting piece; 490. and (5) auxiliary pressing of the backing plate.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
It is to be understood that this description is merely exemplary in nature and is not intended to limit the scope of the present invention.
A power battery housing leak detection apparatus according to some embodiments of the present invention is described below with reference to the accompanying drawings.
Embodiment one:
referring to fig. 1 to 10, the power battery housing leak detection device provided by the invention comprises a sealing liquid injection mechanism 100, a battery housing mechanism 200 installed on the sealing liquid injection mechanism 100, a lifting mechanism 300 installed on the sealing liquid injection mechanism 100, and a clamping mechanism 400 connected to the lifting mechanism 300 and clamped on the battery housing mechanism 200.
The sealing and liquid injecting mechanism 100 comprises a protection supporting plate 110, a water inlet pipe 120, a water outlet pipe 130, a seal 140, a positioning piece 150 and a bolt 160, the battery shell mechanism 200 comprises a built-in tray 210, an outer frame 220 and a sealing pad piece 230, the lifting mechanism 300 comprises a hydraulic rod piece 310, a beam rod 320, a truss 330 and a clamping piece 340, and the clamping mechanism 400 comprises a traction frame 410, a partition plate 420, a pushing pull plate 430, a vertical rod 440, a base 450, a spring 460, a top seat 470, a limiting piece 480 and an auxiliary pressing pad piece 490.
Specifically, the water inlet pipe 120 is installed in a transverse hole at one end of the protection supporting plate 110, the water outlet pipe 130 is installed in a transverse hole at the other end of the protection supporting plate 110, the plurality of seals 140 are uniformly installed at the top and bottom of the protection supporting plate 110, the two positioning members 150 are movably installed at one side of the outside of the protection supporting plate 110, the bolts 160 penetrate into the protection supporting plate 110 and are in threaded connection with the two positioning members 150, the two built-in trays 210 are respectively movably installed at the top and bottom of the protection supporting plate 110, the plugging pad 230 is installed in the built-in trays 210, the outer frame 220 is installed at the top of the built-in trays 210, the hydraulic rod 310 is installed in the two positioning members 150, the beam rod 320 is installed at the top of the hydraulic sub-rod in the hydraulic rod by bolts, the truss 330 is installed at the outer end of the beam rod 320, the two clamping members 340 are fixedly installed at the two ends of the truss 330, the plurality of the bases 450 are movably installed in rectangular vertical grooves at two sides of the protection supporting plate 110, the vertical rods 440 are movably installed in the bases 450, the springs 460 are fixedly installed on the vertical rods 440, the top bases 470 are connected between the springs 460 and the vertical rods 440, the push plates 430 are movably installed at the vertical rods 420, the top plates 420 are fixedly installed at the top of the two base plates 490 by the two base plates 490, and the two base plates are fixedly installed at the top plates 490 by the two base plates and the two base plates are fixedly installed at the top plates.
By utilizing the cavity for guiding water flow to pour into is formed in the protective supporting plate 110, after water flow enters the inner cavity of the protective supporting plate along the water pipe at the outer end of the water inlet pipe 120, the water flow is transferred along the holes at the top and the bottom of the protective supporting plate 110, after the two inner supporting plates 210 are pressed and divided into the cavities with the same size by the plurality of seals 140, the water solution transferred along the holes at the top and the bottom of the protective supporting plate 110 can be respectively poured into the cavities in the two inner supporting plates 210, and the tightness detection is carried out on the assembled two groups of battery shell mechanisms 200 under the continuous pressure rising of the water flow, so that the local deformation or the opening of the two shells assembled by bolts can be effectively avoided in the tightness detection link, when the push pulling plate 430 is pressed and stretched, the top of the push pulling plate 440 is pushed downwards along with the top of the push rod 440, the springs 460 fixedly installed on the vertical rod 440 are downwards to continuously pressurize the two inner battery shell mechanisms 200 at the top of the protective supporting plate 110, meanwhile, the other groups of battery shell mechanisms 200 positioned at the bottom of the protective supporting plate 110 are also pressed against the bottom of the protective supporting plate 110 under the pressure, the two inner supporting plates 210 are pressed against the bottoms of the inner supporting plate 110 under the pressure action of the inner supporting plate, the two inner supporting plates are rectified by the inner supporting plates, and the two inner supporting plates are continuously pressed by the springs 200, and the inner supporting plates are rectified under the pressure of the two inner supporting plates 110, and the inner supporting plates are continuously under the effect of the pressure of the base plates.
Embodiment two:
referring to fig. 4-6, on the basis of the first embodiment, a cavity for guiding water flow to pour is formed in the protective supporting plate 110, two slots are symmetrically distributed in the top and bottom of the protective supporting plate 110, water diversion holes are formed in the top and bottom surfaces of the protective supporting plate 110, the water inlet pipe 120 is formed by combining an end pipe and an external water pipe, and the water outlet pipe 130 is formed by a threaded sleeve and a nut.
By using the water inlet pipe 120 for guiding water to enter and the water outlet pipe 130 for guiding water to drain to be respectively installed in the two transverse holes at two ends of the protection supporting plate 110, after the water outlet pipe 130 is sealed, along with continuous filling of water from the water inlet pipe 120 to the inner cavities of the protection supporting plate 110, along with rising of water pressure, the inner cavities of the two built-in trays 210 pressed at the top and the bottom of the protection supporting plate 110 can be subjected to seepage prevention detection under the continuous rising water pressure acting force, and after the screw cap is screwed on the outer end of the threaded sleeve, along with the water pipe, the water is guided to the inner cavities of the protection supporting plate 110, at the moment, the protection supporting plate 110 and the inner cavities of the two built-in trays 210 can form a closed state so as to conveniently detect the sealing performance of the inner cavities of the two built-in trays 210.
Embodiment III:
referring to fig. 5 to 7, in the first embodiment, the seal 140 is made of a rubber material, the length of the seal 140 is adapted to the width of the inner cavity of the built-in tray 210, the clamping member 340 has an inverted T-shaped structure, and the end at the bottom of the clamping member 340 is mounted on the end rod in the middle of the traction frame 410.
By uniformly mounting the plurality of seals 140 on the top and bottom of the protection support plate 110, after the two groups of battery shell mechanisms 200 are pressed on the top and bottom of the protection support plate 110 by the springs 460 and the bases 450 in a combined state, the plurality of seals 140 can equally space the inner cavities of the two built-in trays 210, at this time, water flow can press different parts of the inner cavities of the built-in trays 210 for detection, the two clamping pieces 340 are fixedly mounted on two ends of the truss 330, the two traction frames 410 are simultaneously matched with the two clamping pieces 340 for hanging and clamping, along with the lifting of the hydraulic rod 310, the lifting truss 330 and the two clamping pieces 340 driven by the hydraulic sub-rod can drive the two traction frames 410 to lift, and finally, the two groups of battery shell mechanisms 200 are pressed on the top and bottom of the protection support plate 110 after being overlapped by the plurality of groups of springs 460 and the bases 450.
Embodiment four:
referring to fig. 8-10, on the basis of the first embodiment, a slot hole clamped at the top end of the pushing pull plate 430 is formed in the top end of the vertical rod 440, a cylindrical cushion block is mounted at the bottom end of the vertical rod 440, a vertical hole adapted to the cylindrical cushion block at the bottom end of the vertical rod 440 is formed in the base 450, a rectangular cushion block adapted to be symmetrical to the spring 460 is mounted at the inner side of the bottom end of the base 450, an inwards concave transverse slot is formed in the top of the auxiliary pressing cushion plate 490, and transverse holes adapted to bolts are formed at two ends of the auxiliary pressing cushion plate 490.
By movably mounting the top end of the push-pull plate 430 in the slot hole of the top end of the vertical rod 440, when the push-pull plate 430 is matched with the traction frame 410 or the partition 420 to extend, the top end of the push-pull plate 430 provides reverse pressure to the vertical rod 440, and then drives the springs 460 fixedly mounted on the vertical rod 440 to press and clamp against one group of battery shell mechanisms 200 at the top of the protection support plate 110, and the top seat 470 is connected between the springs 460 and the cylindrical cushion block, along with the downward falling of the springs 460 driven by the vertical rod 440, the two groups of battery shell mechanisms 200 pressed at the top and bottom of the protection support plate 110 can tend to be stable due to the vertical holes in the base 450, and the auxiliary pressing cushion plate 490 is fixed between the two adjacent springs 460 by the combined bolts, along with the extension of the push-pull plate 430, the traction frame 410 and the partition 420, the constraint of the two limiting pieces 480 on the traction frame 410, the push-pull plate 430 and the partition 420, so that the two groups of battery shell mechanisms 200 can be accurately and stably pressed at the top and bottom of the protection support plate 110, and the safety detection can be ensured.
The working principle and the using flow of the invention are as follows: the springs 460 are fixedly installed outside the vertical rods 440 in advance, then the bottom ends of the vertical rods 440 penetrate through the inner cavity of the base 450, at this time, the bottom ends and the top ends of the top seats 470 are fixedly connected to the bottom ends of the vertical rods 440 and the bottoms of the springs 460 respectively, then two adjacent combined springs 460 are fixed to the two ends of the auxiliary pressing pad 490 by bolts, then the top ends of two adjacent pushing pull plates 430 are movably connected with the two vertical rods 440 respectively, the bottom ends of the two pushing pull plates 430 are movably connected with the traction frame 410 and the partition 420 after being combined, at this time, the bottom ends of the two pushing pull plates 430 are positioned in the two limiting pieces 480 after being assembled, then the hydraulic rod 310 is fixed to one side of the protection supporting plate 110 by the bolts 160 and the positioning pieces 150, and the beam 320 is installed at the top ends of the hydraulic sub-rods in the hydraulic rod 310, the trusses 330 mounted on the outer ends of the beam 320 are respectively mounted on the end bars of the inner sides of the two traction frames 410 in cooperation with the two clamping members 340 fixedly mounted on the both ends thereof, the drain pipe 130 and the water inlet pipe 120 are respectively mounted in the two transverse holes of the both ends of the protective pallet 110 at this time, the plurality of seals 140 are uniformly mounted on the top and bottom surfaces of the protective pallet 110, the sealing pad 230 is then mounted inside the built-in tray 210, the outer frame 220 is mounted on the top of the built-in tray 210, the assembled two sets of battery case mechanisms 200 are then respectively placed on the top and bottom of the protective pallet 110, the ports of the adjacent two built-in trays 210 are respectively assembled in the two notches of the top and bottom of the protective pallet 110, then the assembled two sets of battery case mechanisms 200 are pressed on the top and bottom of the protective pallet 110 by the four sets of bases 450 and the four sets of springs 460, when the hydraulic rod 310 is operated and the beam 320 is driven to lift upwards, two clamping pieces 340 installed at two ends of the truss 330 simultaneously drive two traction frames 410 to lift upwards, two pushing pull plates 430 movably connected at the bottom ends of the traction frames 410 and the partition boards 420 push a vertical rod 440 and a spring 460 fixed at the outer parts of the vertical rod reversely, one combined battery shell mechanism 200 at the top of the protection support plate 110 is pressed downwards on the top surface of the protection support plate 110 and is continuously pressed downwards, at the moment, the other battery shell mechanism 200 positioned at the inner sides of a plurality of bases 450 is also pressed at the bottom of the protection support plate 110, then the drain pipe 130 is sealed, water is connected to the inner cavities of the protection support plate 110 from the water pipe at the outer ends of the water inlet pipe 120, holes at the top and the bottom of the inner cavities of the protection support plate 110 are respectively poured towards the inner cavities of the two built-in trays 210, the inner cavities of the built-in trays 210 are acted on the plurality of seals 140 after being pressed, at the moment, after the inner cavities of the built-in trays 210 are respectively poured into the independent cavities, at the moment, the two built-in trays 210 pressed on the protection support plate 110 can be pressed at the bottom of each time, the bottom of the protection support plate 110 are pressed down, and the two built-in trays 210 can be detected under the state of being pressed by the water, and the two trays can be kept close to each other, and the two trays 210 can be directly pressed when the two groups of the inner trays are pressed, and the inner trays are detected, and the two trays are kept to be pressed, and when the inner and the inner tray trays are pressed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (9)

1. The power battery shell leakage detection device is characterized by comprising a sealing liquid injection mechanism (100), a battery shell mechanism (200) arranged on the sealing liquid injection mechanism (100), a lifting mechanism (300) arranged on the sealing liquid injection mechanism (100) and a clamping mechanism (400) connected to the lifting mechanism (300) and clamped on the battery shell mechanism (200);
the sealing liquid injection mechanism (100) comprises a protection supporting plate (110), a water inlet pipe (120) arranged in a transverse hole at one end of the protection supporting plate (110), a water outlet pipe (130) arranged in a transverse hole at the other end of the protection supporting plate (110), a plurality of seals (140) uniformly arranged at the top and the bottom of the protection supporting plate (110), two positioning pieces (150) movably arranged on one side outside the protection supporting plate (110) and bolts (160) penetrating into the protection supporting plate (110) and connected in the two positioning pieces (150) in a threaded manner;
the lifting mechanism (300) comprises a hydraulic rod piece (310) arranged in two positioning pieces (150), a beam rod (320) arranged at the top end of a hydraulic sub-rod in the hydraulic rod piece (310) by bolts, a truss (330) arranged at the outer end of the beam rod (320) and two clamping pieces (340) fixedly arranged at two ends of the truss (330);
the clamping mechanism (400) comprises a plurality of bases (450) movably mounted in rectangular vertical grooves on two sides of the protection supporting plate (110), vertical rods (440) movably mounted in the bases (450), springs (460) fixedly mounted on the vertical rods (440), top bases (470) connected between the springs (460) and the vertical rods (440), pushing pull plates (430) movably mounted on the vertical rods (440), traction frames (410) and separation plates (420) respectively movably connected to the bottom ends of the two pushing pull plates (430), auxiliary pressing base plates (490) mounted on the two adjacent springs (460) through bolts, and two limiting pieces (480) fixedly mounted on the tops of the auxiliary pressing base plates (490).
2. The power battery housing leak detection apparatus as defined in claim 1, wherein the battery housing mechanism (200) comprises two built-in trays (210) movably mounted on top and bottom of the protective tray (110), respectively, a sealing pad (230) mounted in the built-in tray (210), and an outer frame (220) mounted on top of the built-in tray (210).
3. The power battery shell leakage detection device according to claim 1, wherein a cavity for guiding water flow to pour is formed in the protective supporting plate (110), two symmetrically distributed notches are formed in the top and the bottom of the protective supporting plate (110), and water diversion holes are formed in the top and the bottom of the protective supporting plate (110).
4. The power battery housing leak detection apparatus as defined in claim 1, wherein the water inlet pipe (120) is formed by combining an end pipe and an external water pipe, and the water outlet pipe (130) is formed by a threaded sleeve and a nut.
5. The power cell housing leak detection apparatus as defined in claim 1, wherein the seal (140) is made of a rubber material, and the length of the seal (140) is adapted to the width of the cavity of the built-in tray (210).
6. The power battery housing leak detection apparatus as defined in claim 1, wherein the clip (340) is integrally formed in an inverted T-shaped structure, and the bottom end of the clip (340) is mounted on an end bar in the middle of the traction frame (410).
7. The power battery shell leakage detection device according to claim 1, wherein a slotted hole clamped at the top end of the pushing pull plate (430) is formed in the top end of the vertical rod (440), and a cylindrical cushion block is mounted at the bottom end of the vertical rod (440).
8. The power battery shell leakage detection device according to claim 7, wherein a vertical hole adapted to a cylindrical cushion block at the bottom end of the vertical rod (440) is formed in the base (450), and a rectangular cushion block adapted to be symmetrical to the spring (460) is mounted on the inner side of the bottom end of the base (450).
9. The power battery shell leakage detection device according to claim 1, wherein the top of the auxiliary pressing base plate (490) is provided with an inward concave transverse groove, and both ends of the auxiliary pressing base plate (490) are provided with transverse holes adapted to bolts.
CN202310996092.2A 2023-08-09 2023-08-09 Power battery shell leakage detection device Active CN116718317B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310996092.2A CN116718317B (en) 2023-08-09 2023-08-09 Power battery shell leakage detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310996092.2A CN116718317B (en) 2023-08-09 2023-08-09 Power battery shell leakage detection device

Publications (2)

Publication Number Publication Date
CN116718317A true CN116718317A (en) 2023-09-08
CN116718317B CN116718317B (en) 2024-02-20

Family

ID=87864702

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310996092.2A Active CN116718317B (en) 2023-08-09 2023-08-09 Power battery shell leakage detection device

Country Status (1)

Country Link
CN (1) CN116718317B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117848602A (en) * 2023-12-31 2024-04-09 同技智能装备(嘉兴)有限公司 New energy automobile battery tray is with leakproofness detection equipment

Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000059063A1 (en) * 1999-03-26 2000-10-05 Matsushita Electric Industrial Co., Ltd. Laminate sheath type battery
JP2007335107A (en) * 2006-06-12 2007-12-27 Shin Kobe Electric Mach Co Ltd Method for inspecting lead-acid battery
CN202329960U (en) * 2011-11-14 2012-07-11 中国电子科技集团公司第十八研究所 Leak detecting device for lithium-ion batteries
US20140356659A1 (en) * 2013-05-29 2014-12-04 Toyota Jidosha Kabushiki Kaisha Battery clamping device, battery heating device, battery drying device, battery cooling device and method for manufacturing battery
EP3118583A1 (en) * 2015-07-16 2017-01-18 ENDRESS + HAUSER WETZER GmbH + Co. KG Modular sealing apparatus with failure detection unit
JP2018125264A (en) * 2017-02-03 2018-08-09 オムロン株式会社 Abnormality detection device
CN108417920A (en) * 2018-03-21 2018-08-17 浙江杭可科技股份有限公司 A kind of power battery chemical component negative pressure equipment
WO2019004567A1 (en) * 2017-06-29 2019-01-03 주식회사 엘지화학 Jig device for secondary battery quality inspection
US20190229379A1 (en) * 2018-01-19 2019-07-25 Samsung Electronics Co., Ltd. Electronic device and method of detecting status of battery thereof
CN211877325U (en) * 2020-04-14 2020-11-06 四川三合顺通科技有限公司 Lead-acid storage battery sealing leakage detection device
KR20220011474A (en) * 2020-07-21 2022-01-28 (주) 영진 Battery case for plug in hybrid vehicle
CN215731988U (en) * 2021-06-21 2022-02-01 江苏常丰精密科技有限公司 New forms of energy power battery aluminum hull that bilayer shocks resistance
CN215731987U (en) * 2021-06-21 2022-02-01 江苏常丰精密科技有限公司 Extrusion-resistant new energy power battery aluminum shell and assembly thereof
CN216207264U (en) * 2021-08-06 2022-04-05 江西九鼎动力新能源科技有限公司 Device for detecting air tightness of power battery pack shell
CN217132469U (en) * 2022-04-25 2022-08-05 招商局检测车辆技术研究院有限公司 Battery package leakproofness detection device
CN115064849A (en) * 2022-07-25 2022-09-16 徐州芯源动力科技有限公司 Automatic cup sleeving device for manufacturing lithium ion battery
CN218211825U (en) * 2022-09-20 2023-01-03 深圳佳视德智能科技有限公司 Negative pressure leakage detection device of battery
CN115655361A (en) * 2022-10-21 2023-01-31 福建元晟汽车配件科技有限公司 New forms of energy battery shell gas tightness and lack a detection machine
CN218448070U (en) * 2022-10-19 2023-02-03 深圳市新威尔电子有限公司 Lithium battery negative pressure formation secondary positioning test module
CN218546019U (en) * 2022-11-10 2023-02-28 蜂巢能源科技股份有限公司 Plugging tool for air tightness detection and battery pack
KR20230094031A (en) * 2021-12-20 2023-06-27 주식회사 성우하이텍 System and method for battery case leak inspection

Patent Citations (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000059063A1 (en) * 1999-03-26 2000-10-05 Matsushita Electric Industrial Co., Ltd. Laminate sheath type battery
JP2007335107A (en) * 2006-06-12 2007-12-27 Shin Kobe Electric Mach Co Ltd Method for inspecting lead-acid battery
CN202329960U (en) * 2011-11-14 2012-07-11 中国电子科技集团公司第十八研究所 Leak detecting device for lithium-ion batteries
US20140356659A1 (en) * 2013-05-29 2014-12-04 Toyota Jidosha Kabushiki Kaisha Battery clamping device, battery heating device, battery drying device, battery cooling device and method for manufacturing battery
EP3118583A1 (en) * 2015-07-16 2017-01-18 ENDRESS + HAUSER WETZER GmbH + Co. KG Modular sealing apparatus with failure detection unit
JP2018125264A (en) * 2017-02-03 2018-08-09 オムロン株式会社 Abnormality detection device
WO2019004567A1 (en) * 2017-06-29 2019-01-03 주식회사 엘지화학 Jig device for secondary battery quality inspection
US20190229379A1 (en) * 2018-01-19 2019-07-25 Samsung Electronics Co., Ltd. Electronic device and method of detecting status of battery thereof
CN108417920A (en) * 2018-03-21 2018-08-17 浙江杭可科技股份有限公司 A kind of power battery chemical component negative pressure equipment
CN211877325U (en) * 2020-04-14 2020-11-06 四川三合顺通科技有限公司 Lead-acid storage battery sealing leakage detection device
KR20220011474A (en) * 2020-07-21 2022-01-28 (주) 영진 Battery case for plug in hybrid vehicle
CN215731988U (en) * 2021-06-21 2022-02-01 江苏常丰精密科技有限公司 New forms of energy power battery aluminum hull that bilayer shocks resistance
CN215731987U (en) * 2021-06-21 2022-02-01 江苏常丰精密科技有限公司 Extrusion-resistant new energy power battery aluminum shell and assembly thereof
CN216207264U (en) * 2021-08-06 2022-04-05 江西九鼎动力新能源科技有限公司 Device for detecting air tightness of power battery pack shell
KR20230094031A (en) * 2021-12-20 2023-06-27 주식회사 성우하이텍 System and method for battery case leak inspection
CN217132469U (en) * 2022-04-25 2022-08-05 招商局检测车辆技术研究院有限公司 Battery package leakproofness detection device
CN115064849A (en) * 2022-07-25 2022-09-16 徐州芯源动力科技有限公司 Automatic cup sleeving device for manufacturing lithium ion battery
CN218211825U (en) * 2022-09-20 2023-01-03 深圳佳视德智能科技有限公司 Negative pressure leakage detection device of battery
CN218448070U (en) * 2022-10-19 2023-02-03 深圳市新威尔电子有限公司 Lithium battery negative pressure formation secondary positioning test module
CN115655361A (en) * 2022-10-21 2023-01-31 福建元晟汽车配件科技有限公司 New forms of energy battery shell gas tightness and lack a detection machine
CN218546019U (en) * 2022-11-10 2023-02-28 蜂巢能源科技股份有限公司 Plugging tool for air tightness detection and battery pack

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ANDRIEU, X 等: "Ageing measurement of nickel-cadmium batteries", POWER SOURCES 15, vol. 15 *
杨志源: "铝合金电池箱气密性的控制", 装备制造技术, no. 10 *
欧阳金华: "车用动力电池包结构可靠性分析与改进", 中国优秀硕士学位论文全文数据库工程科技II辑, no. 8 *
罗宇辉: "新能源汽车电池箱泄漏检测技术研究", 时代汽车 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117848602A (en) * 2023-12-31 2024-04-09 同技智能装备(嘉兴)有限公司 New energy automobile battery tray is with leakproofness detection equipment

Also Published As

Publication number Publication date
CN116718317B (en) 2024-02-20

Similar Documents

Publication Publication Date Title
CN116718317B (en) Power battery shell leakage detection device
CN203840260U (en) Photovoltaic module fixing device
CN214667466U (en) High-efficient foundry goods gas tightness test device
CN211121801U (en) Battery package gas tightness detects connecting device
CN209878237U (en) Testing device for membrane electrode sealing performance
CN211076589U (en) Battery packing device for hydrogen fuel cell packaging production line
CN213600300U (en) Valve detection device
CN212794079U (en) Clamp for numerical control machining center
CN212903764U (en) Fixing mechanism for detecting welding tightness of high-voltage switch shell
CN114354077A (en) New energy automobile cooling head gas tightness detects uses anchor clamps
CN209513169U (en) A kind of oil filter more substitution detector
CN219224061U (en) New energy automobile battery cover test fixture
CN111982422A (en) Be used for airtight detection device of new forms of energy battery case
CN219206566U (en) Sealing structure of pressure coffee machine
CN221147984U (en) Air tightness detection equipment for battery pack shell
CN221078285U (en) Adjustable high-pressure manifold water pressure test fixture
CN211654521U (en) Oil-drainage-free replacement sealing gasket device for oil drain valve of main transformer box body
CN216132690U (en) High-pressure safety valve test device
CN219694528U (en) Welding valve pressing device capable of being recycled
CN221348179U (en) Pneumatic regulating valve convenient to fix
CN212410265U (en) Water pressure inspection device for manufacturing epoxy glass reinforced plastic pipeline
CN220544944U (en) Frame for photovoltaic module
CN218847533U (en) Axle housing air tightness detection device
CN214236996U (en) Water block press-fitting machine for cylinder cover of automobile engine
CN220772479U (en) Bellows gas tightness detects case

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant