CN220649934U - Negative pressure air tightness testing equipment is put transversely to square lithium cell both sides utmost point post - Google Patents
Negative pressure air tightness testing equipment is put transversely to square lithium cell both sides utmost point post Download PDFInfo
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- CN220649934U CN220649934U CN202321472684.6U CN202321472684U CN220649934U CN 220649934 U CN220649934 U CN 220649934U CN 202321472684 U CN202321472684 U CN 202321472684U CN 220649934 U CN220649934 U CN 220649934U
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- 238000012360 testing method Methods 0.000 title claims abstract description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 18
- 210000001503 joint Anatomy 0.000 claims abstract description 121
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000005611 electricity Effects 0.000 claims abstract description 16
- 230000008713 feedback mechanism Effects 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003032 molecular docking Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000004880 explosion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
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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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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a square lithium battery both sides post transverse discharge negative pressure gas tightness test device, comprising: a main body supporting shell, wherein a hollow cavity is arranged in the main body supporting shell; the negative pressure acquisition mechanism is arranged on the main body support shell and comprises a negative pressure detection part and a negative pressure butt joint part, and the negative pressure detection part is provided with a plurality of independent negative pressure display meters; the negative pressure butt joint part comprises a negative pressure butt joint plate, a plurality of negative pressure butt joint holes are formed in the negative pressure butt joint plate, the positions of the negative pressure butt joint holes correspond to the positions of negative pressure suction nozzles of the negative pressure formation equipment one by one, and the inner end parts of the negative pressure butt joint holes are connected with a negative pressure display meter through negative pressure pipes; the control feedback mechanism comprises a PCB control board and an electricity taking component, wherein the PCB control board is arranged in a hollow cavity of the main body support shell and is connected with the negative pressure display meter and the upper computer through data wires; the PCB control board, the negative pressure display meter and the electricity taking component are electrically connected. The beneficial effects of the utility model are as follows: it is possible to detect whether each channel of the negative pressure forming apparatus is clogged or air leakage.
Description
Technical Field
The utility model relates to a device for testing the air tightness of a square lithium battery by transversely placing negative pressure on polar posts at two sides, and belongs to the field of battery manufacturing.
Background
In the negative pressure formation process of the lithium battery, negative pressure formation equipment regulates the air pressure in the battery through a pressure control system, air generated in the battery formation process is extracted from an injection port of the battery through a negative pressure vacuum system, in the process, part of electrolyte in the battery can be pumped into a temporary storage container along with the air, if the negative pressure system of the negative pressure formation equipment has a problem, the air generated in the battery formation process is remained in the lithium battery, the phenomena of swelling, scrapping, battery explosion and the like are caused, and hazard and loss are large; but at present, a special negative pressure formation equipment detection device is lacked, whether each channel of the negative pressure formation equipment is blocked or not and whether air leakage occurs can be conveniently detected, and manual detection is often needed, so that equipment maintenance cost is increased, and the use efficiency is reduced.
Disclosure of Invention
In order to solve the problems, the utility model provides square lithium battery both-side pole post vertical negative pressure air tightness testing equipment capable of monitoring whether each channel of negative pressure formation equipment leaks air.
The technical scheme adopted by the utility model is as follows:
negative pressure gas tightness test equipment is put transversely to square lithium cell both sides utmost point post, a serial communication port, include:
the main body support shell is internally provided with a hollow cavity;
the negative pressure acquisition mechanism is arranged on the main body support shell and comprises a negative pressure detection part and a negative pressure butt joint part, wherein the negative pressure detection part is provided with a plurality of independent negative pressure display meters; the negative pressure butt joint part comprises a negative pressure butt joint plate, a plurality of negative pressure butt joint holes are formed in the negative pressure butt joint plate, the positions of the negative pressure butt joint holes correspond to the positions of negative pressure suction nozzles of negative pressure formation equipment one by one, the negative pressure butt joint holes are communicated with the inner side and the outer side of the negative pressure butt joint plate, the outer end parts of the negative pressure butt joint holes are used for being in one-to-one butt joint with the negative pressure suction nozzles of the negative pressure formation equipment, and the inner end parts of the negative pressure butt joint holes are connected with a negative pressure display meter through negative pressure pipes;
the control feedback mechanism comprises a PCB control board and an electricity taking component, wherein the PCB control board is arranged in a hollow cavity of the main body supporting shell and is connected with the negative pressure display meter and the upper computer through data wires; the PCB control board and the negative pressure display meter are electrically connected with the electricity taking component; the power taking component is arranged on the outer side of the main body supporting shell, the setting position of the power taking component corresponds to the setting position of the power supply butt joint end of the negative pressure formation equipment and is used for butt joint with the power supply butt joint end of the negative pressure formation equipment so as to realize that the feedback mechanism is controlled to take power to the negative pressure formation equipment.
Further, the main body support shell comprises a bottom plate, a right side plate, a rear fixing plate and a top cover plate, wherein the top cover plate and the bottom plate are oppositely arranged in an up-down parallel mode, and the front end and the left side of the top cover plate are both opened cuboid shells through the right side plate and the rear fixing plate.
Further, the negative pressure detection part comprises a negative pressure display meter fixing plate and a negative pressure display meter, wherein the negative pressure display meter fixing plate is rectangular and is arranged at the opening of the front end of the main body support shell; the negative pressure display meter is embedded on the negative pressure display meter fixing plate, and each negative pressure display meter is correspondingly connected with a negative pressure pipe.
Further, negative pressure detection portion still include at least negative pressure pipe comb board, negative pressure pipe comb board be the rectangle, negative pressure pipe comb board vertical setting in main part support housing's cavity, the lower limit and the bottom plate fixed connection of negative pressure pipe comb board, the higher limit interval of negative pressure pipe comb board is equipped with a plurality of recesses, negative pressure pipe card go into in the corresponding recess of negative pressure pipe comb board.
Further, the negative pressure butt joint part comprises a negative pressure butt joint plate, a negative pressure butt joint plate fixing plate and a butt joint adjusting device, wherein the negative pressure butt joint plate fixing plate is parallel and opposite to the right side plate and fixedly arranged at the opening of the left side of the main body support shell; the negative pressure butt plate fixing plate is provided with a horizontal long waist-shaped through hole; the negative pressure butt joint plate is arranged on the outer side of the negative pressure butt joint plate fixing plate through the butt joint adjusting device, and the negative pressure butt joint hole of the negative pressure butt joint plate is positioned at the long waist-shaped through hole.
Further, the negative pressure pipe is L-shaped, one end of the negative pressure pipe is connected with the negative pressure display meter, and the other end of the negative pressure pipe penetrates through the long-waist-shaped through hole and then is connected with the negative pressure butt joint hole.
Further, the butt joint adjusting device comprises a locking seat with a locking knob, wherein the locking seat is arranged at the end part of the negative pressure butt joint plate and is slidably arranged on the outer surface of the negative pressure butt joint plate fixing plate through a sliding rail.
Further, get electric part include signal butt joint copper and forceful electric power copper bar fixed plate, signal butt joint copper pass through forceful electric power copper bar fixed plate and install the front end at negative pressure butt joint board fixed plate, the setting position of signal butt joint copper corresponds with the setting position of the power supply butt joint end of negative pressure formation equipment for with the power supply butt joint end butt joint of negative pressure formation equipment.
Further, heat dissipation holes are distributed on the bottom plate and the top cover plate.
The working principle of the utility model is as follows: the negative pressure formation equipment is in butt joint with a negative pressure butt joint hole on the negative pressure butt joint plate through a negative pressure suction nozzle, the interior of the negative pressure formation equipment is vacuumized, and as the negative pressure formation equipment is communicated with the negative pressure air tightness test equipment, a vacuum environment is formed in the negative pressure air tightness test equipment as well and is displayed in real time through a negative pressure display meter, a PCB control panel of a control feedback mechanism collects data of the negative pressure display meter, the PCB control panel is fed back to an upper computer through a communication interface and a data wire, and can be displayed in real time in the upper computer, and whether each channel of the negative pressure formation equipment has an air leakage problem is monitored through analysis of the upper computer, so that the problem is found out quickly and processed in time; the butt joint adjusting device can adjust the hole position of the negative pressure butt joint hole of the negative pressure butt joint plate, so that negative pressure detection of equipment of different models is realized.
The beneficial effects of the utility model are as follows: whether each channel of the negative pressure formation equipment is blocked or leaked can be detected, manual operation is not needed, equipment maintenance cost is reduced, and phenomena such as battery shell bulge, scrapping and even battery explosion caused by failure of a negative pressure system of the negative pressure formation equipment are avoided; the automatic gas tightness detection device has the advantages that the automatic gas tightness detection device can accurately align in the detection process of the formation power horizontal battery equipment, the gas tightness of the product is rapidly detected on line, feedback fault points are intelligently collected, the automatic gas tightness detection device is accurate in fault elimination, the operation efficiency can be improved, the labor intensity of personnel is reduced, the product quality is improved, and the stable operation of the equipment is ensured.
Drawings
Fig. 1 is a structural diagram of the present utility model.
Fig. 2 is a bottom view of the present utility model.
Fig. 3 is an enlarged view at a of fig. 2.
Fig. 4 is an enlarged view at B of fig. 2.
Fig. 5 is a structural view of the negative pressure butt joint portion of the present utility model.
Fig. 6 is a schematic structural view of the negative pressure butt joint part of the present utility model, showing the back structure of the negative pressure butt joint plate fixing plate.
Fig. 7 is a front view of the negative pressure docking portion of the present utility model.
Fig. 8 is a rear view of the negative pressure docking station of the present utility model.
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The utility model will be described in detail below with reference to the drawings in connection with exemplary embodiments.
The utility model relates to a negative pressure air tightness test device for transverse discharge of polar posts at two sides of a square lithium battery, which comprises the following components:
a main body supporting shell 1, wherein a hollow cavity is arranged in the main body supporting shell 1 and is used for supporting and installing a negative pressure acquisition mechanism 2 and a control feedback mechanism 3;
the negative pressure acquisition mechanism 2 is arranged on the main body support shell 1 and comprises a negative pressure detection part 21 and a negative pressure butt joint part 22, wherein the negative pressure detection part 21 is provided with a plurality of mutually independent negative pressure display meters 211; the negative pressure butt joint part 22 comprises a negative pressure butt joint plate 221, the negative pressure butt joint plate 221 is provided with a plurality of negative pressure butt joint holes 2211, the positions of the negative pressure butt joint holes 2211 are in one-to-one correspondence with the positions of negative pressure suction nozzles of the negative pressure formation equipment, the negative pressure butt joint holes 2211 are communicated with the inner side and the outer side of the negative pressure butt joint plate 221, the outer end part of the negative pressure butt joint holes 2211 are used for one-to-one butt joint with the negative pressure suction nozzles of the negative pressure formation equipment, and the inner end part of the negative pressure butt joint holes 2211 is connected with the negative pressure display table 211 through a negative pressure pipe 213;
the control feedback mechanism 3 comprises a PCB control board 31 and an electricity taking component 32, wherein the PCB control board 31 is arranged in a hollow cavity of the main body support shell 1, and the PCB control board 31 is connected with the negative pressure display table 211 and the upper computer through signal wires; the PCB control board 31 and the negative pressure display meter 211 are electrically connected with the electricity taking component 32; the electricity taking component 32 is arranged on the outer side of the main body supporting shell 1, and the arrangement position of the electricity taking component 32 corresponds to the arrangement position of the power supply butt joint end of the negative pressure formation equipment and is used for butt joint with the power supply butt joint end of the negative pressure formation equipment so as to realize electricity taking of the negative pressure formation equipment by the control feedback mechanism 3.
In some embodiments of the present utility model, the main body support housing 1 includes a bottom plate 11, a right side plate 12, a rear fixing plate 13, and a top cover plate 14, where the top cover plate 14 and the bottom plate 11 are disposed in parallel and opposite to each other, and are fixed to form a rectangular shell with openings at front and left sides through the right side plate 12 and the rear fixing plate 13. The main body supporting housing 1 plays a role of mechanical protection, and the housing is firm, can effectively resist external mechanical action, and protects internal precise instruments and circuits from damage.
In some embodiments of the present utility model, the negative pressure detecting part 21 includes a negative pressure display meter fixing plate 212 and a negative pressure display meter 211, wherein the negative pressure display meter fixing plate 212 is rectangular and is installed at the opening of the front end of the main body support housing 1; the negative pressure display meter 211 is embedded on the negative pressure display meter fixing plate 212, each negative pressure display meter 211 is correspondingly connected with a negative pressure pipe, the negative pressure pipe 213 is connected with a negative pressure butt joint plate, the negative pressure display meter is connected with the PCB control plate through a signal wire, and detection data are transmitted to the PCB control plate.
In some embodiments of the present utility model, the negative pressure display table fixing plate 212 is provided with a plurality of negative pressure display tables 211 at equal intervals, the negative pressure display tables 211 are horizontally arranged in a horizontal direction, and each negative pressure display table 211 is connected with one negative pressure tube 213.
In some embodiments of the present utility model, the negative pressure detecting portion 21 further includes two negative pressure tube comb plates 214, one of which is parallel and opposite to the negative pressure display table fixing plate 212, and the other of which is parallel and opposite to the right side plate 12 and the negative pressure opposite plate 221; the negative pressure tube comb plate 214 is rectangular, the negative pressure tube comb plate 214 is vertically arranged in the hollow cavity of the main body supporting shell 1, the lower side of the negative pressure tube comb plate 214 is fixedly connected with the bottom plate 11, a plurality of grooves 2141 are formed in the upper side of the negative pressure tube comb plate 214 at intervals, the negative pressure tubes 213 are clamped into the corresponding grooves 2141 of the negative pressure tube comb plate 214, and air leakage at the joint part caused by movement of the negative pressure tubes in the equipment is prevented.
In some embodiments of the present utility model, the negative pressure butt joint 22 includes a negative pressure butt joint plate 221, a negative pressure butt joint plate fixing plate 222, and a butt joint adjusting device 223, where the negative pressure butt joint plate fixing plate 222 is parallel to and opposite to the right side plate 12, and is fixedly installed at the opening on the left side of the main body support housing 1; the negative pressure butt plate fixing plate 222 is provided with a horizontal long waist-shaped through hole 2221, so that the negative pressure butt hole 2211 on the negative pressure butt plate 221 can be conveniently leaked out; the negative pressure butt plate 221 is mounted on the outer side of the negative pressure butt plate fixing plate 222 by a butt joint adjusting device 223, and the negative pressure butt joint hole 2211 of the negative pressure butt plate 221 is positioned at the long waist type through hole 2221. The negative pressure butt plate fixing plate 222 plays a supporting role, so that the negative pressure butt plate 221 and a negative pressure suction nozzle of the negative pressure charging and discharging equipment have higher matching precision; a negative pressure butt joint plate reinforcing rib 224 is arranged between the negative pressure butt joint plate fixing plate 222 and the bottom plate 11, and is used for improving the strength of the negative pressure butt joint plate fixing plate 222 when the negative pressure formation equipment is in butt joint with the air tightness detection equipment.
In some embodiments of the present utility model, the negative pressure tube 213 is an integral hollow L-shaped tube, and the negative pressure tube 213 is horizontally arranged in the hollow cavity of the main body support housing 1 through two negative pressure tube comb plates 214, so as to fix the negative pressure tube 213 and prevent the negative pressure tube 213 from moving inside the device to cause air leakage at the interface. The two negative pressure tube comb plates 214 are mutually 90 degrees, respectively parallel and opposite to the negative pressure butt plate 221 and the negative pressure display surface fixing plate 212, and jointly support the negative pressure tube 213. Even if the negative pressure pipe 213 is regulated, the connecting end is not affected, and the negative pressure pipe 213 is effectively prevented from leaking.
In some embodiments of the utility model, the negative pressure tube 213 is positioned at the same level and expands within the hollow cavity.
In some embodiments of the present utility model, two vertical sliding grooves 2222 parallel to each other are spaced on the outer surface of the negative pressure butt plate fixing plate 222, and each vertical sliding groove 2222 corresponds to a set of butt joint adjusting devices 223; the two sets of the butt joint adjusting devices 223 are respectively installed at two ends of the negative pressure butt joint plate 221 in the length direction.
In some embodiments of the present utility model, the docking adjustment device 223 includes a locking seat 2231 with a locking knob 2232, the locking seat 2231 is disposed at an end of the negative pressure docking plate 221, a sliding rail 2233 is disposed on a side of the locking seat 2231 facing the negative pressure docking plate 222, and the sliding rail 2233 is disposed on a vertical sliding groove 2222 of the negative pressure docking plate 222, and the two are slidably engaged. When in use, the locking seat 2231 is provided with a locking knob 2232, and the position of the negative pressure butt plate 221 can be adjusted according to the requirement, and after the position is adjusted, the locking knob 2232 is adjusted, so that the locking of the negative pressure butt plate 221 is realized.
In some embodiments of the present utility model, the electricity taking component 32 includes a signal docking copper plate 321 and a strong electric copper bar fixing plate 322, where the signal docking copper plate 321 is installed at the front end of the negative pressure docking plate fixing plate 222 through the strong electric copper bar fixing plate 322, and the setting position of the signal docking copper plate 321 corresponds to the setting position of the power supply docking end of the negative pressure formation device, and is used for docking with the power supply docking end of the negative pressure formation device.
In some embodiments of the present utility model, the front portion of the right side plate 12 is provided with a communication interface fixing plate 33, the communication interface fixing plate 33 is provided with a communication interface 331 for plugging in a data line, the communication interface 331 is electrically connected with the PCB control board 31, the PCB control board 31 receives the negative pressure information detected by the negative pressure display table 211, and the negative pressure information is fed back to the upper computer through the communication interface 331 and the data line, so that the upper computer displays the negative pressure information in real time, monitors whether each channel in the negative pressure formation device has a problem, and conveniently and quickly finds out the problem and processes the problem in time, thereby preventing the danger caused by the problem of the channel of the negative pressure formation device.
In some embodiments of the present utility model, the heat dissipation holes 15 are disposed on the bottom plate 11 and the top cover plate 14, so that heat in the test device can be timely dissipated.
The working principle of the utility model is as follows: the negative pressure formation equipment is in butt joint with a negative pressure butt joint hole 2211 on the negative pressure butt joint plate 221 through a negative pressure suction nozzle, the interior of the negative pressure formation equipment is vacuumized, and as the negative pressure formation equipment is communicated with the negative pressure air tightness test equipment, a vacuum environment is formed in the negative pressure air tightness test equipment as well and is displayed in real time through a negative pressure display meter 211, the PCB control panel 31 of the feedback mechanism 3 is controlled to collect data of the negative pressure display meter 211, the PCB control panel 31 is fed back to an upper computer through a communication interface and a data wire, and can be displayed in real time in the upper computer, and whether each channel of the negative pressure formation equipment has an air leakage problem is monitored through analysis of the upper computer, so that the problem is found out quickly and handled in time; the butt joint adjusting device 223 can adjust the hole position of the negative pressure butt joint hole of the negative pressure butt joint plate, so that the negative pressure detection of equipment of different models is realized.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (9)
1. Negative pressure gas tightness test equipment is put transversely to square lithium cell both sides utmost point post, a serial communication port, include:
the main body support shell (1), wherein a hollow cavity is formed in the main body support shell (1);
the negative pressure acquisition mechanism (2) is arranged on the main body support shell (1) and comprises a negative pressure detection part (21) and a negative pressure butt joint part (22), wherein the negative pressure detection part (21) is provided with a plurality of independent negative pressure display meters (211); the negative pressure butt joint part (22) comprises a negative pressure butt joint plate (221), a plurality of negative pressure butt joint holes (2211) are formed in the negative pressure butt joint plate (221), the positions of the negative pressure butt joint holes (2211) are in one-to-one correspondence with the positions of negative pressure suction nozzles of negative pressure formation equipment, the negative pressure butt joint holes (2211) are communicated with the inner side and the outer side of the negative pressure butt joint plate (221), the outer end part of the negative pressure butt joint holes (2211) are used for one-to-one butt joint with the negative pressure suction nozzles of the negative pressure formation equipment, and the inner end parts of the negative pressure butt joint holes (2211) are connected with a negative pressure display table (211) through negative pressure pipes (213);
the control feedback mechanism (3) comprises a PCB control board (31) and an electricity taking component (32), wherein the PCB control board (31) is arranged in a hollow cavity of the main body supporting shell (1), and the PCB control board (31) is connected with the negative pressure display meter (211) and the upper computer through data wires; the PCB control board (31) and the negative pressure display meter (211) are electrically connected with the electricity taking component (32); the electricity taking component (32) is arranged on the outer side of the main body supporting shell (1), and the arrangement position of the electricity taking component (32) corresponds to the arrangement position of the power supply butt joint end of the negative pressure formation equipment and is used for butt joint with the power supply butt joint end of the negative pressure formation equipment so as to realize electricity taking of the control feedback mechanism (3) to the negative pressure formation equipment.
2. The negative pressure air tightness test device for transverse discharge of polar columns on two sides of a square lithium battery as claimed in claim 1, wherein: the main body support shell (1) comprises a bottom plate (11), a right side plate (12), a rear fixing plate (13) and a top cover plate (14), wherein the top cover plate (14) and the bottom plate (11) are oppositely arranged in an up-down parallel mode, and the front end and the left side of the top cover plate are both opened cuboid shells through the right side plate (12) and the rear fixing plate (13).
3. The negative pressure air tightness test device for transverse discharge of polar columns on two sides of a square lithium battery as claimed in claim 2, wherein: the negative pressure detection part (21) comprises a negative pressure display meter fixing plate (212) and a negative pressure display meter (211), wherein the negative pressure display meter fixing plate (212) is rectangular and is arranged at the opening of the front end of the main body support shell (1); the negative pressure display meter (211) is embedded on the negative pressure display meter fixing plate (212), and each negative pressure display meter (211) is correspondingly connected with one negative pressure pipe (213).
4. The negative pressure air tightness test device for transverse discharge of polar columns on two sides of a square lithium battery as claimed in claim 3, wherein: the negative pressure detection part (21) also comprises at least one negative pressure tube comb plate (214), the negative pressure tube comb plate (214) is rectangular, the negative pressure tube comb plate (214) is vertically arranged in the hollow cavity of the main body support shell (1), the lower edge of the negative pressure tube comb plate (214) is fixedly connected with the bottom plate (11), a plurality of grooves (2141) are formed in the upper edge of the negative pressure tube comb plate (214) at intervals, and the negative pressure tube (213) is clamped into the corresponding grooves (2141) of the negative pressure tube comb plate (214).
5. The negative pressure air tightness test device for transverse discharge of polar columns on two sides of a square lithium battery as set forth in claim 4, wherein: the negative pressure butt joint part (22) comprises a negative pressure butt joint plate (221), a negative pressure butt joint plate fixing plate (222) and a butt joint adjusting device (223), wherein the negative pressure butt joint plate fixing plate (222) is opposite to the right side plate (12) in parallel and fixedly arranged at the opening of the left side of the main body support shell (1); the negative pressure butt plate fixing plate (222) is provided with a horizontal long waist-shaped through hole (2221); the negative pressure butt joint plate (221) is arranged on the outer side of the negative pressure butt joint plate fixing plate (222) through a butt joint adjusting device (223), and a negative pressure butt joint hole (2211) of the negative pressure butt joint plate (221) is positioned at the position of the long waist-shaped through hole (2221).
6. The negative pressure air tightness test device for transverse discharge of polar columns on two sides of a square lithium battery as set forth in claim 5, wherein: the negative pressure tube (213) is L-shaped, one end of the negative pressure tube is connected with the negative pressure display meter (211), and the other end of the negative pressure tube penetrates through the long-waist-shaped through hole (2221) and then is connected with the negative pressure butt joint hole (2211).
7. The negative pressure air tightness test device for transverse discharge of polar columns on two sides of a square lithium battery as set forth in claim 5, wherein: the butt joint adjusting device (223) comprises a locking seat (2231) with a locking knob (2232), wherein the locking seat (2231) is arranged at the end part of the negative pressure butt joint plate (221) and is slidably arranged on the outer surface of the negative pressure butt joint plate fixing plate (222) through a sliding rail (2233).
8. The negative pressure air tightness test device for transverse discharge of polar columns on two sides of a square lithium battery as set forth in claim 5, wherein: the electricity taking component (32) comprises a signal butt joint copper plate (321) and a strong electric copper bar fixing plate (322), wherein the signal butt joint copper plate (321) is installed at the front end part of the negative pressure butt joint plate fixing plate (222) through the strong electric copper bar fixing plate (322), and the setting position of the signal butt joint copper plate (321) corresponds to the setting position of the power supply butt joint end of the negative pressure formation equipment and is used for butt joint with the power supply butt joint end of the negative pressure formation equipment.
9. The negative pressure air tightness test device for transverse discharge of polar columns on two sides of a square lithium battery as claimed in claim 2, wherein: and heat dissipation holes are distributed on the bottom plate (11) and the top cover plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321472684.6U CN220649934U (en) | 2023-06-09 | 2023-06-09 | Negative pressure air tightness testing equipment is put transversely to square lithium cell both sides utmost point post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321472684.6U CN220649934U (en) | 2023-06-09 | 2023-06-09 | Negative pressure air tightness testing equipment is put transversely to square lithium cell both sides utmost point post |
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