CN113933000A - Battery package airtight check out test set - Google Patents
Battery package airtight check out test set Download PDFInfo
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- CN113933000A CN113933000A CN202111535657.4A CN202111535657A CN113933000A CN 113933000 A CN113933000 A CN 113933000A CN 202111535657 A CN202111535657 A CN 202111535657A CN 113933000 A CN113933000 A CN 113933000A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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Abstract
The invention relates to the field of new energy battery detection equipment, in particular to battery pack air tightness detection equipment which comprises a base, wherein two mounting plates are symmetrically mounted on the base, a vertical groove is formed in each mounting plate along the length direction of the mounting plate, a liftable movable plate is arranged in each vertical groove, and two ends of each movable plate are connected with a first cylinder fixed on the mounting plate; the movable plate is symmetrically provided with two side plates, a through groove is formed in the position, located between the two side plates, of the movable plate, the through groove is connected and communicated with a connector installed on the movable plate, and meanwhile, a plurality of through holes for gas circulation are formed in the periphery of the upper edge of the connector; the two side plates are also provided with through notches for the two abutting plates arranged on the movable plate to penetrate through and abut against the battery pack; the abutting plate is connected with the movable plate through an elastic clamping mechanism arranged between the mounting plate and the movable plate; the pump air adjustable mechanism is arranged on the base and connected with the telescopic end of the first air cylinder, so that more accurate detection is realized.
Description
Technical Field
The invention relates to the field of new energy battery detection equipment, in particular to battery pack air tightness detection equipment.
Background
The power battery is a power source for providing power source for the tool, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts.
It is mainly distinguished from a starting battery for starting an automobile engine; valve-port sealed lead-acid batteries, open tubular lead-acid batteries and lithium iron phosphate batteries are mostly used.
In order to prevent the battery from being affected by external gas, dust and water in long-term use, and the battery is oxidized, polluted or short-circuited to shorten the service life of the battery and even cause serious dangerous accidents, the battery is usually arranged in a battery pack for convenient management, and the battery pack is required to have very good air tightness and cannot enter gas, dust and water.
Most of the existing battery pack air tightness detection equipment adopts the mode of pumping gas into a battery pack and observing the air tightness of the battery pack through an instrument, but when the gas is pumped into the battery pack, the connection air tightness of the battery pack is difficult to ensure.
Disclosure of Invention
The present invention is directed to a battery pack air tightness detection apparatus, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a battery pack seal detection apparatus comprising:
the base is of a cuboid structure, two mounting plates perpendicular to the base are symmetrically mounted on the base, a vertical groove is formed in each mounting plate along the length direction of the mounting plate, a movable plate capable of lifting is arranged in each vertical groove, and two ends of each movable plate are connected with a first air cylinder fixedly mounted on the mounting plates;
the movable plate is symmetrically provided with two side plates for limiting the battery pack, a through groove is formed in the position, located between the two side plates, of the movable plate, the through groove is connected and communicated with a connector installed on the movable plate, the connector is of a cavity structure and is downward in opening, and meanwhile, a plurality of through holes for gas circulation are formed in the periphery of the upper edge of the connector;
the two side plates are also provided with through notches for the two abutting plates arranged on the movable plate to penetrate through and abut against the battery pack;
the abutting plate is connected with the movable plate through an elastic clamping mechanism arranged between the mounting plate and the movable plate;
the air pumping adjustable mechanism is arranged on the base and connected with the telescopic end of the first air cylinder.
As a further scheme of the invention: the elastic clamping mechanism comprises a meshing structure arranged between the mounting plate and the movable plate, a stepping assembly connected with the meshing structure and arranged on the movable plate, and a buffer assembly connected with the stepping assembly and arranged on the movable plate;
the buffer assembly is connected with the butt plate.
As a still further scheme of the invention: the meshing structure comprises a rack plate arranged on the mounting plate along the length direction of the mounting plate and a gear meshed with the rack plate and rotatably arranged on the movable plate;
and the rotating shaft of the gear is connected with the stepping assembly.
As a still further scheme of the invention: the stepping assembly comprises a screw rod and a threaded sleeve, the screw rod is rotatably arranged on the movable plate, and the threaded sleeve is matched with the screw rod;
the rotating shaft of the screw rod is connected with the gear;
the movable plate is fixedly provided with two bulges, and the screw rod is rotatably arranged between the bulges;
the threaded sleeve is connected with the buffer component.
As a still further scheme of the invention: the buffer assembly comprises an extension rod which is fixedly connected with the threaded sleeve and penetrates through the protrusion and is movably arranged, a connecting plate which is fixedly arranged at one end of the extension rod, which is far away from the end where the extension rod is connected with the threaded sleeve, and a telescopic rod which penetrates through the connecting plate and the extension rod and is arranged in a sliding manner;
one end of the telescopic rod is fixedly connected with the abutting plate, and an elastic sheet is arranged between the abutting plate and the connecting plate;
the telescopic rod is arranged in the extension rod in a sliding mode, a communicated long groove is formed in the side wall of the extension rod, the telescopic rod is arranged in the extension rod in a sliding mode, and a protruding portion arranged in the long groove in a sliding mode is arranged at the other end of the telescopic rod.
As a still further scheme of the invention: the air pumping adjustable mechanism comprises a trigger assembly which is arranged on the base and is matched with the connector, and an air storage assembly which is connected with the trigger assembly through a conduit and is arranged on the base;
the gas storage assembly is connected with the telescopic end of one of the first cylinders;
and a pressure gauge is arranged on the gas storage component.
As a still further scheme of the invention: the trigger assembly comprises a fixed cylinder body fixedly arranged on the base, a boss connected with the fixed cylinder body and communicated with the fixed cylinder body, a plug plate arranged in the boss in a sliding manner, a trigger rod connected with the plug plate and extending to the outside of the plug plate through the boss, and a spring sleeved on the trigger rod;
one end of the spring is connected with the inner wall of the boss, and the other end of the spring is connected with the plug plate.
As a still further scheme of the invention: the gas storage assembly comprises a piston cylinder fixedly installed through the base, a sealing plug tightly attached to the inner wall of the piston cylinder, and a second cylinder with one end connected with the sealing plug and the other end connected with the telescopic end of the first cylinder;
the piston cylinder is connected with the fixed cylinder body through the guide pipe and is conducted, and the piston cylinder is connected with the pressure gauge.
Compared with the prior art, the invention has the beneficial effects that:
the battery pack to be detected is placed on the movable plate and limited by the side plate when the battery pack to be detected is used, the movable plate drives the battery pack to move downwards, the elastic clamping mechanism is arranged to stably clamp the battery pack so as to prevent the battery pack from moving in the process of being abutted with the connector and reduce the connection airtightness between the battery pack and the connector, the air pumping adjustable mechanism is made to act to store air when the movable plate moves downwards, and when the air enters the battery pack, the battery pack is effectively prevented from being deformed due to overlarge pressure in the battery pack under the action of the side plate.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a battery pack air tightness detection device;
FIG. 2 is a schematic diagram illustrating a disassembled structure of a mounting plate and a movable plate in an embodiment of an air tightness detection device of a battery pack;
FIG. 3 is a schematic diagram of a stepping assembly and a buffer assembly in an embodiment of an apparatus for detecting air tightness of a battery pack;
FIG. 4 is a schematic diagram of a trigger assembly in an embodiment of a battery pack air tightness detection device;
FIG. 5 is a schematic view showing the assembly of a side plate and a connecting head in one embodiment of the air tightness detecting device for a battery pack;
fig. 6 is a schematic bottom view of a connector in an embodiment of a device for detecting air tightness of a battery pack.
In the figure: the hydraulic cylinder comprises a base 1, a mounting plate 2, an air cylinder 3, a movable plate 4, a vertical groove 5, a side plate 6, a connector 7, a rack plate 8, a gear 9, a threaded sleeve 10, a screw rod 11, an extension rod 12, a connecting plate 13, a telescopic rod 14, a protrusion 15, a butt joint plate 16, an elastic sheet 17, a fixed cylinder 18, a trigger rod 19, a spring 20, a boss 21, a piston cylinder 22, a sealing plug 23, an air cylinder 24 and a pressure gauge 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 6, in an embodiment of the present invention, a battery pack air tightness detecting apparatus includes: base 1, elasticity fixture, pump gas adjustable mechanism.
The base 1 is of a cuboid structure, two mounting plates 2 perpendicular to the base are symmetrically mounted on the upper portion of the base 1, a vertical groove 5 is formed in each mounting plate 2 along the length direction of the mounting plate, a movable plate 4 capable of lifting is arranged in each vertical groove 5, and two ends of each movable plate 4 are connected with a first air cylinder 3 fixedly mounted on the mounting plates 2;
the flexible end of a cylinder 3 is connected with a movable plate 4, so that the movable plate 4 can be driven to lift in a vertical groove 5, and meanwhile, the stability of the movable plate 4 in the lifting process is improved by arranging two groups of cylinders 3.
The cylinder 3 is a JLTB-100-10E-10T inverted range-extending cylinder produced by long-time pneumatic hydraulic equipment limited company, has the characteristic of reasonable product structure, can be equivalently replaced by hydraulic cylinders or electric telescopic rods of other brands, is not specifically limited in the application, and can be optimally selected by a user according to actual conditions on site.
The movable plate 4 is symmetrically provided with two side plates 6 for limiting the battery pack, a through groove is formed in the position, located between the two side plates 6, of the movable plate 4, the through groove is connected and communicated with a connector 7 installed on the movable plate 4, the connector 7 is of a cavity structure and is downward in opening, and meanwhile, a plurality of through holes for gas circulation are formed in the periphery of the upper edge of the connector 7;
the two side plates 6 are also provided with through notches for the two abutting plates 16 arranged on the movable plate 4 to penetrate through and abut against the battery pack;
the abutting plate 16 is connected with the movable plate 4 by an elastic clamping mechanism provided between the mounting plate 2 and the movable plate 4.
When the battery pack air-tight connector is used, the battery pack is placed between the side plates 6, the air inlet of the battery pack is aligned with the connector 7, the elastic clamping mechanism acts on the abutting plates 16 in the downward movement process of the movable plate 4, the battery pack is fixed, and the connection between the connector 7 and the battery pack is air-tight in the process of inflating the battery pack.
Under the action of the side plate 6, the case of the battery pack is prevented from bulging and deforming due to overlarge internal pressure when gas is filled into the battery pack.
Specifically, a rubber ring is arranged at a position where the outer edge of the connector 7 abuts against the battery pack, so as to improve the air tightness between the battery pack and the connector 7.
Further, a rubber gasket is disposed on one side of the abutting plate 16 abutting against the battery pack to improve the friction between the rubber gasket and the battery pack.
The elastic clamping mechanism comprises a meshing structure arranged between the mounting plate 2 and the movable plate 4, a stepping assembly connected with the meshing structure and arranged on the movable plate 4, and a buffer assembly connected with the stepping assembly and arranged on the movable plate 4;
the buffer component is connected with the abutting plate 16;
the meshing structure comprises a rack plate 8 arranged on the mounting plate 2 along the length direction of the mounting plate 2 and a gear 9 which is meshed with the rack plate 8 and is rotatably arranged on the movable plate 4;
the rotating shaft of the gear 9 is connected with the stepping assembly.
The movable plate 4 descends under the driving of the first cylinder 3, and at the same time, the gear 9 and the rack plate 8 are kept in a meshed state, so that the gear 9 rotates in the process of descending the movable plate 4 to drive the stepping assembly to act.
The stepping assembly comprises a screw rod 11 rotatably arranged on the movable plate 4 and a threaded sleeve 10 matched with the screw rod 11;
the rotating shaft of the screw rod 11 is connected with the gear 9;
two bulges are fixedly arranged on the movable plate 4, and the screw rod 11 is rotatably arranged between the bulges;
threaded sleeve 10 connects the cushioning components.
When the gear 9 rotates, the screw rod 11 is driven to rotate, an external thread is arranged on the screw rod 11 and is matched with an internal thread arranged on the inner wall of the threaded sleeve 10, so that the threaded sleeve 10 can move along the axial direction of the screw rod 11 in the rotating process of the screw rod 11, and the buffer assembly is driven to move.
The screw rod 11 is in threaded fit with the threaded sleeve 10, so that when the movable plate 4 descends to the maximum stroke position of the movable plate and the connector 7 is matched with the air pumping adjustable mechanism, the abutting plate 16 cannot yield, and the connection airtightness between the connector 7 and the battery pack is further improved.
The buffer component comprises an extension rod 12 which is fixedly connected with the threaded sleeve 10 and penetrates through the protrusion and is movably arranged, a connecting plate 13 which is fixedly arranged at one end of the extension rod 12 far away from the end where the extension rod 12 is connected with the threaded sleeve 10, a telescopic rod 14 which penetrates through the connecting plate 13 and the extension rod 12 and is arranged in a sliding manner;
one end of the telescopic rod 14 is fixedly connected with the abutting plate 16, and an elastic sheet 17 is arranged between the abutting plate 16 and the connecting plate 13;
the extension rod 12 is hollow, and has a through elongated slot on a side wall thereof, the extendable rod 14 is slidably disposed in the extension rod 12, and a protrusion 15 slidably disposed in the elongated slot is disposed at the other end of the extendable rod 14.
Under screw sleeve 10's drive, extension rod 12 takes place lateral displacement, and extension rod 12 slides and sets up on the arch, makes its in-process stability that drives the motion of connecting plate 13 stronger on the one hand, and on the other hand makes at 11 pivoted in-process of lead screw, and screw sleeve 10 can not follow lead screw 11 and take place to rotate, guarantees at 11 pivoted in-processes of lead screw, and screw sleeve 10 can take place lateral displacement.
When the abutting plate 16 and the battery pack abut against each other and generate an urging force, the elastic piece 17 prevents the structure of the battery pack from being broken due to an excessive urging force therebetween.
One end of the telescopic rod 14 is provided with a protrusion 15 slidably disposed in the elongated slot of the extension rod 12, so that in an initial state, the abutting plate 16 does not move excessively due to the action of the elastic sheet 17, and thus the battery pack cannot be flatly placed on the movable plate 4 due to interference with the abutting plate 16 in the process of placing the battery pack.
The pump air adjustable mechanism is arranged on the base 1 and is connected with the telescopic end of the first cylinder 3;
the pump air adjustable mechanism comprises a trigger component which is arranged on the base 1 and is matched with the connector 7, and an air storage component which is connected with the trigger component through a conduit and is arranged on the base 1;
the gas storage component is connected with the telescopic end of one of the first cylinders 3;
the gas storage component is provided with a pressure gauge 25;
the trigger assembly comprises a fixed cylinder body 18 fixedly arranged on the base 1, a boss 21 connected with the fixed cylinder body 18 and communicated with the fixed cylinder body, a plug plate arranged in the boss 21 in a sliding manner, a trigger rod 19 connected with the plug plate and extending to the outside of the trigger rod through the boss 21, and a spring 20 sleeved on the trigger rod 19;
one end of the spring 20 is connected with the inner wall of the boss 21, and the other end is connected with the plug plate;
the gas storage component comprises a piston cylinder 22 fixedly installed by penetrating through the base 1, a sealing plug 23 tightly attached to the inner wall of the piston cylinder 22, and a second cylinder 24 with one end connected with the sealing plug 23 and the other end connected with the telescopic end of the first cylinder 3;
the piston cylinder 22 is connected and conducted with the fixed cylinder body 18 through a guide pipe, and the piston cylinder 22 is connected with a pressure gauge 25.
When the battery pack is used, when the first air cylinder 3 drives the movable plate 4 to move downwards, the second air cylinder 24 drives the sealing plug 23 to move downwards in the piston cylinder 22 and compress air in the piston cylinder 22, when the connecting head 7 on the movable plate 4 is in contact with the trigger rod 19 and drives the trigger rod 19 to move downwards, the trigger rod 19 drives the plug plate to move downwards to be separated from the inner wall of the boss 21 and enter the fixed cylinder body 18, at the moment, the air in the piston cylinder 22 enters the battery pack through the guide pipe, the fixed cylinder body 18, the boss 21 and the connecting head 7 under the action of pressure, and the change of a pointer of the pressure gauge 25 is observed after the air is stabilized, if the pointer is stabilized, the air tightness of the battery pack is good, otherwise, the air tightness of the battery pack is poor.
It is worth emphasizing that the outer diameter of the boss 21 is the same as the inner diameter of the connector 17, and that a sealing gasket is provided on the inner wall of the connector 17 to improve the air tightness between the connector 17 and the boss 21.
Simultaneously through the flexible volume of control No. two cylinders 24, can change the volume of pump income gas to the battery package to make the battery package of device detectable different capacity, improved the practicality of device greatly, be fit for extensively using widely.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A battery pack air-tightness detection device, comprising: the air cylinder structure comprises a base (1), wherein the base (1) is of a cuboid structure, two mounting plates (2) perpendicular to the base are symmetrically mounted at the upper part of the base, a vertical groove (5) is formed in each mounting plate (2) along the length direction of the mounting plate, a movable plate (4) capable of lifting is arranged in each vertical groove (5), and two ends of each movable plate (4) are connected with a first air cylinder (3) fixedly mounted on the mounting plates (2); the battery pack limiting device is characterized in that two side plates (6) used for limiting a battery pack are symmetrically arranged on the movable plate (4), a through groove is formed in the position, located between the two side plates (6), on the movable plate (4), and connected and communicated with a connector (7) arranged on the movable plate (4), the connector (7) is of a cavity structure, the opening of the connector is downward, and meanwhile, a plurality of through holes used for gas circulation are circumferentially formed in the upper edge of the connector (7); the two side plates (6) are also provided with through notches for two abutting plates (16) arranged on the movable plate (4) to penetrate through and abut against a battery pack; the abutting plate (16) is connected with the movable plate (4) through an elastic clamping mechanism arranged between the mounting plate (2) and the movable plate (4); the air pumping adjustable mechanism is arranged on the base (1) and connected with the telescopic end of the first air cylinder (3).
2. The airtight detection apparatus for battery pack according to claim 1, wherein said elastic clamping mechanism comprises a meshing structure installed between said mounting plate (2) and said movable plate (4), a stepping assembly connected with said meshing structure and disposed on said movable plate (4), and a buffering assembly connected with said stepping assembly and disposed on said movable plate (4); the cushioning component is connected with the abutting plate (16).
3. The air tightness detection device for the battery pack according to claim 2, wherein the engaging structure comprises a rack plate (8) mounted on the mounting plate (2) along the length direction of the mounting plate (2), and a gear (9) engaged with the rack plate (8) and rotatably mounted on the movable plate (4); and the rotating shaft of the gear (9) is connected with the stepping assembly.
4. The air tightness detection device of the battery pack according to claim 3, wherein the step assembly comprises a screw rod (11) rotatably arranged on the movable plate (4), a threaded sleeve (10) engaged with the screw rod (11);
the rotating shaft of the screw rod (11) is connected with the gear (9); the movable plate (4) is fixedly provided with two bulges, and the screw rod (11) is rotatably arranged between the bulges; the threaded sleeve (10) is connected with the buffer assembly.
5. The air tightness detection device for the battery pack according to claim 4, wherein the buffer assembly comprises an extension rod (12) fixedly connected with the threaded sleeve (10) and movably arranged through the protrusion, a connecting plate (13) fixedly installed at one end of the extension rod (12) far away from the end where the extension rod (12) is connected with the threaded sleeve (10), and a telescopic rod (14) slidably arranged through the connecting plate (13) and the extension rod (12); one end of the telescopic rod (14) is fixedly connected with the abutting plate (16), and an elastic sheet (17) is arranged between the abutting plate (16) and the connecting plate (13); the telescopic rod (14) is arranged in the extension rod (12) in a sliding mode, a communicated long groove is formed in the side wall of the extension rod, and a protruding portion (15) arranged in the long groove in a sliding mode is arranged at the other end of the telescopic rod (14).
6. The air tightness detection device for the battery pack according to claim 1, wherein the adjustable pumping mechanism comprises a trigger assembly mounted on the base (1) and adapted to the connector (7), and an air storage assembly connected to the trigger assembly via a conduit and disposed on the base (1); the gas storage component is connected with the telescopic end of one of the first cylinders (3); and a pressure gauge (25) is arranged on the gas storage component.
7. The airtight detection equipment of battery pack according to claim 6, wherein said trigger assembly comprises a fixed cylinder (18) fixedly mounted on said base (1), a boss (21) connected with said fixed cylinder (18) and conducting, a plug plate slidably disposed in said boss (21), a trigger rod (19) connected with said plug plate and extending to the outside through said boss (21), a spring (20) sleeved on said trigger rod (19); one end of the spring (20) is connected with the inner wall of the boss (21), and the other end of the spring is connected with the plug plate.
8. The air tightness detection device for the battery pack according to claim 7, wherein the air storage component comprises a piston cylinder (22) fixedly installed through the base (1), a sealing plug (23) tightly attached to the inner wall of the piston cylinder (22), and a second cylinder (24) having one end connected with the sealing plug (23) and the other end connected with the telescopic end of the first cylinder (3);
the piston cylinder (22) is connected and communicated with the fixed cylinder body (18) through the guide pipe, and the piston cylinder (22) is connected with the pressure gauge (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535657.4A CN113933000A (en) | 2021-12-16 | 2021-12-16 | Battery package airtight check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111535657.4A CN113933000A (en) | 2021-12-16 | 2021-12-16 | Battery package airtight check out test set |
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| CN113933000A true CN113933000A (en) | 2022-01-14 |
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| CN202111535657.4A Pending CN113933000A (en) | 2021-12-16 | 2021-12-16 | Battery package airtight check out test set |
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| CN113607355A (en) * | 2021-10-11 | 2021-11-05 | 济宁康华机电科技有限公司 | Pressure test detection device for air storage cylinder |
| CN113776740A (en) * | 2021-11-15 | 2021-12-10 | 枣庄高信物业管理有限公司 | Car torque converter leakproofness detection device |
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Application publication date: 20220114 |