CN111504566A - Rectangular lithium battery negative pressure path detection device, detection system and detection method - Google Patents

Rectangular lithium battery negative pressure path detection device, detection system and detection method Download PDF

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Publication number
CN111504566A
CN111504566A CN202010135341.5A CN202010135341A CN111504566A CN 111504566 A CN111504566 A CN 111504566A CN 202010135341 A CN202010135341 A CN 202010135341A CN 111504566 A CN111504566 A CN 111504566A
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negative pressure
power supply
supply copper
lithium battery
detection device
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CN111504566B (en
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曹骥
曹政
俞平广
花福盛
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Zhejiang Hangke Technology Co Ltd
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Zhejiang Hangke Technology Co Ltd
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    • 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
    • G01M3/26Investigating 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
    • 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

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Abstract

方形锂电池负压通路检测装置、检测系统以及检测方法,所述检测装置包括固定单元,包括外框和顶盖;负压检测单元,包括工装阀管和真空数显表,工装阀管设置于安装腔内;真空数显表嵌装于外框的前面板上;以及信号传输单元,包括路由器以及一对供电铜条;所述检测系统包括化成分容设备和检测装置,化成分容设备的顶部悬装运动机构装配体,方形锂电池负压通路检测装置安装于化成分容设备内;所述检测方法包括以下步骤:运动机构装配体下降,供电探针与检测装置相连接,以对路由器进行供电;执行对负压通路抽真空的指令,路由器将真空度信号传输给外部设备,以检测负压通路是否漏气。本发明的有益效果是:结构简单、可具体检测到哪个负压通路漏气。

Figure 202010135341

A square lithium battery negative pressure path detection device, detection system and detection method, the detection device includes a fixed unit, including an outer frame and a top cover; the negative pressure detection unit includes a tooling valve tube and a vacuum digital display meter, and the tooling valve tube is arranged in the In the installation cavity; the vacuum digital display meter is embedded on the front panel of the outer frame; and the signal transmission unit includes a router and a pair of power supply copper bars; the detection system includes a chemical composition equipment and a detection device, and the The motion mechanism assembly is suspended on the top, and the square lithium battery negative pressure path detection device is installed in the chemical composition equipment; the detection method includes the following steps: the motion mechanism assembly is lowered, and the power supply probe is connected with the detection device to detect the router. Power supply; execute the instruction of vacuuming the negative pressure passage, and the router transmits the vacuum degree signal to the external device to detect whether the negative pressure passage is leaking. The beneficial effects of the present invention are that the structure is simple, and the air leakage of which negative pressure passage can be specifically detected.

Figure 202010135341

Description

Square lithium battery negative pressure passage detection device, detection system and detection method
Technical Field
The invention relates to a square lithium battery negative pressure passage detection device, a detection system and a detection method, and belongs to the field of manufacturing of lithium battery formation test equipment.
Background
In the testing process of the square lithium battery, the formation test is to charge the lithium battery with small current to activate active substances in the battery and form an SEI film on the surface of a negative electrode material of the battery; in the formation and activation process of the lithium battery, the electrodes react with the electrolyte, and the electrolyte is decomposed, so that gases are generated, the battery is expanded due to the generation of the gases, and the gases need to be discharged in time in the expansion process of the battery. During the air exhaust process, if the negative pressure channel of the air exhaust finds air leakage or blockage, the air exhaust can fail. Therefore, the leakage condition of the pressure generation passage of the exhaust gas needs to be detected regularly to judge that the pressure generation passage can operate normally in the exhaust process.
Disclosure of Invention
In order to solve the problems, the invention provides a square lithium battery negative pressure passage detection device, a detection system and a detection method, which have the advantages of simplicity in installation, simplicity in operation, convenience in detection and the like, and also have the advantage of capability of specifically detecting the air leakage condition of the negative pressure passage.
The invention relates to a square lithium battery negative pressure passage detection device, which is characterized by comprising the following components:
the fixing unit comprises an outer frame and a top cover, the outer frame has the same shape and size as the tray, and the outer frame is provided with a mounting cavity for mounting and supporting the negative pressure detection unit and the signal transmission unit; the top cover is arranged at an open top of the outer frame, two power supply copper bar through holes and a plurality of positioning holes are distributed in the top cover, and the power supply copper bar through holes are used for installing power supply copper bars;
the negative pressure detection unit comprises a tool valve pipe and a vacuum digital display meter, wherein the tool valve pipe is arranged in the mounting cavity of the outer frame, and the top end of the tool valve pipe is clamped in the positioning hole and is communicated with an external negative pressure suction nozzle; the vacuum digital display meter is embedded on the front panel of the outer frame and corresponds to the tool valve tubes one by one, and the connecting end of the vacuum digital display meter is communicated with the bottom end of the tool valve tube and used for detecting the vacuum degree of the negative tool valve tube in a vacuumizing state;
the signal transmission unit comprises a router and a pair of power supply copper bars, the power supply copper bars are respectively embedded in the outer frame, the upper ends of the power supply copper bars are inserted into the corresponding power supply copper bar through holes of the top cover, the top ends of the power supply copper bars as contact ends exceed the surface of the top cover and are used for being in contact connection with power supply probes of the motion mechanism assembly body, and the lower parts of the power supply copper bars are electrically connected with the power supply ends of the router and are used for supplying power to the router; the router is arranged at the bottom of the installation cavity, and a signal transmission end of the router is electrically connected with a signal transmission end of the vacuum digital display meter and used for transmitting a vacuum degree display value of the vacuum digital display meter to external processing equipment.
The outer frame is the same as the tray in overall dimension and is a square body with a cavity structure, a plurality of square hollow structures are distributed on the left panel and the right panel at equal intervals and used for reducing the weight of the square lithium battery negative pressure passage detection device, and the right panel is provided with at least one square hole for communication; the rear panel is provided with a plurality of square hollow structures distributed at equal intervals and used for reducing the weight of the square lithium battery negative pressure passage detection device.
The tool valve pipe is a negative pressure passage and is used for connecting the negative pressure suction nozzle with the vacuum digital display meter; the tool valve pipe comprises a tool valve pipe body, a negative pressure suction nozzle connecting end and a vacuum digital display meter connecting end, and the tool valve pipe body is arranged in an installation cavity of the outer frame; the connecting end of the negative pressure suction nozzle is positioned and extends out through the positioning hole of the top cover and is used for being in one-to-one corresponding contact with the negative pressure suction nozzle on the negative pressure assembly on the motion structure assembly body of the formation test equipment; the connecting end of the vacuum digital display meter is a straight-through connector and is connected with an air pipe, and then the air pipe is connected with the vacuum digital display meter.
The top cover is a rectangular plate which is fixedly arranged on the upper surface of the frame body structure, and two end parts of the top cover along the length direction are respectively provided with an electric copper bar through hole for embedding a power supply copper bar; the top cap is provided with two rows of square positioning holes along the length direction, the number of the positioning holes is 24, the positioning holes are divided into two rows, each row is 12, and the two rows of positioning holes are distributed on the top cap in parallel and are parallel to the left side and the right side of the top cap and used for positioning the tool valve pipe.
The tool valve pipes are vertically arranged in the installation cavity, the number of the tool valve pipes is 24, the tool valve pipes are divided into two rows, each row of the tool valve pipes is 12, the tool valve pipes in each row are vertically arranged and fixed in the outer frame, and the two rows of the tool valve pipes are parallel to each other and parallel to the left surface and the right surface of the outer frame.
The fixed unit further comprises a lower clamping plate, wherein two rows of square holes are formed in the lower clamping plate, each row of square holes is 12, the two rows of square holes are distributed in the lower clamping plate in parallel, are parallel to the left side and the right side of the lower clamping plate, correspond to the positioning holes of the top cover one by one, and are used for positioning and fixing the tool valve pipe together with the positioning holes of the top cover.
The number of the power supply copper bars is 2, the power supply copper bars are installed and fixed at the central line position of the top cover and are respectively close to the front side and the rear side of the top cover, each power supply copper bar comprises a power supply copper bar body and a power supply copper bar fixing plate, and the power supply copper bar fixing plates are positioned in the installation cavities of the outer frames through the lower clamping plates and used for supporting and installing the power supply copper bar bodies; the power supply copper bar body is fixed on the top of the power supply copper bar fixing plate, and the top of the power supply copper bar body extends out of the top cover from the power supply copper bar through hole to form a contact end which can be in contact connection with a power supply probe of the motion mechanism assembly body; the power supply copper bar body is electrically connected with the router and used for supplying power to the router.
The power supply copper bar body is of a structure in a shape like a Chinese character 'ji', and is fixedly arranged on the lower clamping plate of the outer frame through the power supply copper bar fixing plate; the protruding part of the power supply copper bar body extends out of the power supply copper bar through hole, and the two extending ends of the power supply copper bar body are clamped at the position of the power supply copper bar through hole, so that the power supply copper bar body is prevented from being separated from the power supply copper bar through hole.
The utility model provides a square lithium cell negative pressure passageway detecting system which characterized in that: the square lithium battery negative pressure passage detection device is arranged in the formation and partial capacity equipment and is positioned right below the moving part of the movement mechanism assembly body, and the negative pressure suction nozzles correspond to the tool valve pipes one by one, so that when the power supply probes are in contact connection with the power supply copper bars of the square lithium battery negative pressure passage detection device, the negative pressure suction nozzles are in contact connection with the corresponding tool valve pipes, and the negative pressure passage is exhausted to form a negative pressure environment.
The method for detecting the negative pressure passage by using the square lithium battery negative pressure passage detection system is characterized by comprising the following steps of:
1) placing the square lithium battery negative pressure passage detection device in a tray warehouse position of a motion mechanism assembly body of square lithium battery formation testing equipment;
2) the formation testing equipment is started, the motion mechanism assembly body can gradually descend, and when a negative pressure suction nozzle of a negative pressure assembly of the motion mechanism assembly body is in close contact with a connecting end of a negative pressure suction nozzle of a tool valve pipe, a negative pressure passage is communicated;
3) a power supply probe of the movement mechanism assembly body is connected with a power supply copper bar of the square lithium battery negative pressure passage detection device so as to supply power to the power supply copper bar and further supply power to the router;
4) when the instruction of vacuumizing the negative pressure passage is executed, the vacuum pump vacuumizes the negative pressure passage, and then the vacuum degree is displayed on the vacuum degree digital display meter;
5) the router transmits the vacuum degree signal to the computer end, and the vacuum degree condition is observed through external equipment so as to detect whether the negative pressure passage leaks air or not.
The invention has the beneficial effects that: the invention provides a square lithium battery negative pressure passage detection device which has the advantages of simple structure, simplicity in installation, simplicity in operation, quickness in detection and the like, and can specifically detect the air leakage condition of the negative pressure passage.
Drawings
FIG. 1 is a schematic diagram of a negative pressure path detection device for a square lithium battery;
FIG. 2 is a front view of a negative pressure path detection device for a square lithium battery;
FIG. 3 is a top view of a negative pressure path detection device for a square lithium battery;
FIG. 4 is a left side view of the negative pressure path detection device for a square lithium battery;
FIG. 5 is a cross-sectional view of a negative pressure path detection device for a square lithium battery;
FIG. 6 is a structural diagram of a tooling valve tube of a square lithium battery negative pressure passage detection device
FIG. 7 is a front view of a tooling valve tube of the square lithium battery negative pressure passage detection device;
FIG. 8 is a schematic diagram of a power supply copper bar body of a power supply copper bar of the negative pressure path detection device for a square lithium battery;
fig. 9 is a block diagram of a negative pressure passage detection system for a square lithium battery.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
With reference to the accompanying drawings:
embodiment 1 a negative pressure path detection device for a square lithium battery according to the present invention includes:
the fixing unit comprises an outer frame 1 and a top cover 2, the outer frame 1 has the same shape and size as the tray, and the outer frame is provided with a mounting cavity for mounting and supporting the negative pressure detection unit and the signal transmission unit; the top cover 2 is arranged at an open top of the outer frame, two power supply copper bar through holes and a plurality of positioning holes are distributed in the top cover, and the power supply copper bar through holes are used for installing power supply copper bars;
the negative pressure detection unit comprises a tool valve tube 3 and a vacuum digital display meter 5, wherein the tool valve tube 3 is arranged in the mounting cavity of the outer frame, and the top end of the tool valve tube 3 is clamped in the positioning hole and is communicated with an external negative pressure suction nozzle 12; the vacuum digital display meter 5 is embedded on the front panel of the outer frame 1 and corresponds to the tool valve pipes 3 one by one, and the connecting end of the vacuum digital display meter 5 is communicated with the bottom end of the tool valve pipe 3 and is used for detecting the vacuum degree of the negative tool valve pipe in a vacuumizing state;
the signal transmission unit comprises a router 6 and a pair of power supply copper bars 4, the power supply copper bars 4 are respectively embedded in the outer frame, the upper ends of the power supply copper bars 4 are inserted into corresponding power supply copper bar through holes of the top cover, the top ends of the power supply copper bars 4 serve as contact ends and exceed the surface of the top cover, the power supply copper bars are used for being in contact connection with power supply probes 13 of the motion mechanism assembly body 9, and the lower parts of the power supply copper bars 4 are electrically connected with the power supply end of the router 6 and used for supplying power to the router 6; the router 6 is arranged at the bottom of the installation cavity, and a signal transmission end of the router 6 is electrically connected with a signal transmission end of the vacuum digital display meter 5 and is used for transmitting a vacuum degree display value of the vacuum digital display meter 5 to external processing equipment.
The outer frame 1 is a square body with a cavity structure, the shape and size of the outer frame are the same as those of the tray, a plurality of square hollow structures are distributed on the left panel and the right panel at equal intervals and used for reducing the weight of the square lithium battery negative pressure passage detection device, and the right panel is provided with at least one square hole for communication; the rear panel is provided with a plurality of square hollow structures distributed at equal intervals and used for reducing the weight of the square lithium battery negative pressure passage detection device.
The tool valve pipe 3 is a negative pressure passage and is used for connecting a negative pressure suction nozzle and a vacuum digital display meter; the tool valve pipe comprises a tool valve pipe body 31, a negative pressure suction nozzle connecting end 32 and a vacuum digital display meter connecting end 33, and the tool valve pipe body is arranged in an installation cavity of the outer frame; the connecting end of the negative pressure suction nozzle is positioned and extends out through the positioning hole of the top cover and is used for being in one-to-one corresponding contact with the negative pressure suction nozzle on the negative pressure assembly on the motion structure assembly body of the formation test equipment; the connecting end of the vacuum digital display meter is a straight-through connector and is connected with an air pipe, and then the air pipe is connected with the vacuum digital display meter.
The top cover 2 is a rectangular plate which is fixedly arranged on the upper surface of the frame body structure, and two end parts of the top cover along the length direction are respectively provided with an electric copper bar through hole for embedding a power supply copper bar; the top cap is provided with two rows of square positioning holes along the length direction, the number of the positioning holes is 24, the positioning holes are divided into two rows, each row is 12, and the two rows of positioning holes are distributed on the top cap in parallel and are parallel to the left side and the right side of the top cap and used for positioning the tool valve pipe.
The tool valve pipes 3 are vertically arranged in the installation cavity, the number of the tool valve pipes is 24, the tool valve pipes are divided into two rows of 12, each row of the tool valve pipes is vertically arranged and fixed in the outer frame, and the two rows of the tool valve pipes are parallel to each other and parallel to the left surface and the right surface of the outer frame.
The fixing unit further comprises a lower clamping plate 7, two rows of square holes are formed in the lower clamping plate, each row is 12, the two rows of square holes are distributed in the lower clamping plate in parallel, are parallel to the left side and the right side of the lower clamping plate and correspond to the positioning holes of the top cover one by one, and the positioning holes of the top cover are jointly used for positioning and fixing the tool valve pipe.
The number of the power supply copper bars is 2, the power supply copper bars are installed and fixed at the central line position of the top cover and are respectively close to the front side and the rear side of the top cover, the power supply copper bars 4 comprise power supply copper bar bodies 41 and power supply copper bar fixing plates 42, and the power supply copper bar fixing plates are positioned in the installation cavity of the outer frame through the lower clamping plates and are used for supporting and installing the power supply copper bar bodies; the power supply copper bar body is fixed on the top of the power supply copper bar fixing plate, and the top of the power supply copper bar body extends out of the top cover from the power supply copper bar through hole to form a contact end which can be in contact connection with a power supply probe of the motion mechanism assembly body; the power supply copper bar body is electrically connected with the router and used for supplying power to the router.
The power supply copper bar body 41 is of a structure in a shape like a Chinese character 'ji', and is arranged and fixed on the lower clamping plate 7 of the outer frame through the power supply copper bar fixing plate; the protruding part of the power supply copper bar body extends out of the power supply copper bar through hole, and the two extending ends of the power supply copper bar body are clamped at the position of the power supply copper bar through hole, so that the power supply copper bar body is prevented from being separated from the power supply copper bar through hole.
Embodiment 2 a negative pressure path detection device for a square lithium battery according to the present invention includes:
the fixing unit comprises an outer frame 1 and a top cover 2, wherein the outer frame 1 is a basic supporting component of the square lithium battery negative pressure passage detection device 10 and is used for installing and supporting other components of the negative pressure passage detection device, and the shape and size of the outer frame are the same as those of the tray; the outer frame 1 is a square body with a cavity structure, three square hollow structures are distributed on a left panel and a right panel at equal intervals and used for reducing the weight of the square lithium battery negative pressure passage detection device 10, and the right panel is also provided with 2 square holes for communication; a vacuum digital display meter 5 is arranged on the front panel; the rear panel is provided with 2 square hollow structures distributed at equal intervals and is also used for reducing the weight of the square lithium battery negative pressure passage detection device 10; the upper panel is a top cover 2, and a router 6 and a lower clamping plate 7 are arranged in the outer frame 1; and the top cover 2 is an upper panel of the outer frame 1 and is used for positioning the tool valve pipe 3. The top cover 2 is provided with a positioning hole and a square hole structure, and the square hole structure is used for positioning the tool valve pipe 3. The square hole structures are 24 and divided into two groups, each group is 12, and two rows of square hole structures are distributed on the top cover 2 in parallel and are parallel to the left side and the right side of the top cover 2. The top cover 2 is also provided with a power supply copper bar through hole for mounting a power supply copper bar 4;
the negative pressure detection unit comprises a tool valve pipe 3 and a vacuum digital display meter 5, wherein the tool valve pipe 3 is a negative pressure passage and is used for connecting the negative pressure suction nozzle 12 with the vacuum digital display meter 5; the tool valve pipe 3 comprises a tool valve pipe body 31, a negative pressure suction nozzle connecting end 32 and a vacuum digital display meter connecting end 33. The tool valve pipe body 31 is of a hollow square structure and is positioned in the outer frame 1 through the lower clamping plate 7. One end of the tool valve pipe body 31 is a negative pressure suction nozzle connecting end 32. The negative pressure suction nozzle connecting end 32 is positioned and extended through the square hole structure of the top cover 2, and is in one-to-one corresponding contact with the negative pressure suction nozzles 12 on the negative pressure component 11 on the movement structure assembly body 9 of the formation test equipment 8. The connecting end 33 of the vacuum digital display meter is a straight-through connector and is connected with an air pipe, and then the air pipe is connected with the vacuum digital display meter 5. 24 tool valve pipes are divided into two groups, each group comprises 12 tool valve pipes, each row of tool valve pipes 3 is vertically arranged and fixed in the outer frame 1, and the two rows of tool valve pipes 5 are parallel to each other and are parallel to the left surface and the right surface of the outer frame 1; the vacuum digital display meter 5 is used for displaying the vacuum degree of the negative pressure passage in a vacuumizing state and is connected with the vacuum digital display meter connecting end 33 of the tool valve pipe 3 through an air pipe;
and the signal transmission unit comprises a router 6 and a pair of power supply copper bars 4, wherein 2 power supply copper bars 4 are of a structure shaped like a Chinese character 'ji', are fixedly arranged at the central line position of the top cover 2 through two sides of the structure shaped like a Chinese character 'ji', and are respectively close to the front side and the rear side of the top cover 2. The protruding portion of the power supply copper bar 4 is used for making electrical connection with the power supply probe 13. When the power supply probe 13 of the movement mechanism assembly body 9 of the formation test equipment 8 supplies power to the power supply copper bar 4, the power supply copper bar further supplies power to the square lithium battery security detection device 10, and particularly supplies power to the router 6; the router 6 is electrically connected with the vacuum digital display meter 5 and the power supply copper bar 4 and is used for transmitting a vacuum degree display value of the vacuum digital display meter 5 to the computer end, reading the vacuum degree value by the computer end and further judging the vacuum condition of the negative pressure passage.
The lower clamping plate 7 is positioned in the middle of the outer frame 1 and is parallel to the top cover 2, and a square hole structure is arranged on the lower clamping plate 7. The square hole structures are 24 and divided into two groups, each group is 12, two rows of square hole structures are distributed on the lower clamping plate 7 in parallel, are parallel to the left side and the right side of the lower clamping plate 7, correspond to the square hole structures of the top cover 2 one by one, and are used for positioning and fixing the tool valve pipe 3 together with the square hole structures of the top cover 2.
The tool valve pipe body 31 is a square pipe, a negative pressure passage is axially arranged on the square pipe, the upper end of the negative pressure passage is provided with a negative pressure suction nozzle connecting end 32 which is used for being communicated with a negative pressure suction nozzle, the lower end of the negative pressure passage is communicated with an air outlet connecting end 33 of a vacuum digital display meter embedded on the pipe wall of the tool valve pipe body 31, and the connecting end of the vacuum digital display meter connecting end 33 is communicated with the connecting end of the vacuum digital display meter.
Example 3 this example differs from example 1 in that: as shown in fig. 1-5, the square lithium battery negative pressure passage detection device comprises an outer frame 1, a top cover 2, a tool valve pipe 3, a power supply copper bar 4, a vacuum digital display meter 5, a router 6 and a lower clamping plate 7.
Frame 1, the same with tray overall dimension, for the square body of cavity structure, control and have three equidistant square hollow out construction that distributes on the panel, the rear panel also has 2 equidistant square hollow out constructions that distribute, still has 2 square holes that are used for the communication simultaneously on the right panel simultaneously. The front panel is provided with a vacuum digital display meter 5, the upper panel is a top cover 2, and the inside of the outer frame 1 is provided with a tooling valve pipe 3, a router 6 and a lower clamping plate 7.
The top cover 2 is an upper panel of the outer frame 1 and is provided with a square hole structure. The square hole structures are 24 and divided into two groups, each group is 12, and two rows of square hole structures are distributed on the top cover 2 in parallel and are parallel to the left side and the right side of the top cover 2. And the top cover 2 is also provided with a power supply copper bar 4.
The number of the tool valve pipes is 24, the tool valve pipes are divided into two groups, each group is 12, each row of tool valve pipes 3 are vertically installed and fixed in the outer frame 1, and the two rows of tool valve pipes 5 are parallel to each other and parallel to the left surface and the right surface of the outer frame 1.
The power supply copper bars 4 are 2 and are of a convex structure, and are fixedly arranged at the central line position of the top cover 2 through two sides of the convex structure and are respectively close to the front side and the rear side of the top cover 2.
The lower clamping plate 7 is positioned in the middle of the outer frame 1 and is parallel to the top cover 2, and a square hole structure is arranged on the lower clamping plate 7. The square hole structures are 24 and divided into two groups, each group is 12, and two rows of square hole structures are distributed on the lower clamping plate 7 in parallel, are parallel to the left side and the right side of the lower clamping plate 7 and are in one-to-one correspondence with the square hole structures of the top cover 2.
As shown in fig. 6 to 7, the tool valve tube 3 includes a tool valve tube body 31, a negative pressure suction nozzle connecting end 32, and a vacuum digital display meter connecting end 33. The tool valve pipe body 31 is of a hollow square structure and is positioned in the outer frame 1 through the lower clamping plate 7. One end of the tool valve pipe body 31 is a negative pressure suction nozzle connecting end 32. The negative pressure suction nozzle connecting end 32 is positioned and extended through the square hole structure of the top cover 2.
Embodiment 4 is a square lithium battery negative pressure path detection system, including a formation and partial volume device 8 and a square lithium battery negative pressure path detection device 10 of the present invention, the top of the formation and partial volume device 8 suspends a movement mechanism assembly body 9, and a movement portion of the movement mechanism assembly body 9 is equipped with a power supply probe 13 capable of being in contact connection with a power supply copper bar and a negative pressure component 11 with a negative pressure suction nozzle 12, the square lithium battery negative pressure path detection device 10 is installed in the formation and partial volume device 8, and is located right below the movement portion of the movement mechanism assembly body 9, and the negative pressure suction nozzles 12 are in one-to-one correspondence with the tool valve tubes 3, so that when the power supply probe 13 is in contact connection with the power supply copper bar 4 of the square lithium battery negative pressure path detection device 10, the negative pressure suction nozzle 12 is in contact connection with the corresponding tool valve tube 3, so as to perform air extraction on the negative pressure path to form.
Embodiment 5 the negative pressure passage detection device for a square lithium battery according to embodiment 4 is used for detecting a negative pressure passage, and referring to fig. 9, the detection comprises the following steps:
1) placing a square lithium battery negative pressure passage detection device 10 in a tray warehouse position of a motion mechanism assembly body 9 of square lithium battery formation testing equipment 8;
2) when the formation testing equipment 8 is started, the movement mechanism assembly body 9 gradually descends, and when the negative pressure suction nozzle 12 of the negative pressure component 11 of the movement mechanism assembly body 9 is in close contact with the negative pressure suction nozzle connecting end 32 of the tooling valve pipe 3, the negative pressure passage is communicated;
3) at this time, the power supply probe 13 of the movement mechanism assembly body 9 is connected with the power supply copper bar 4 of the square lithium battery negative pressure passage detection device 10 to supply power to the power supply copper bar 4, and further supply power to the router 6;
4) when the instruction of vacuumizing the negative pressure passage is executed, the vacuum pump vacuumizes the pressure-generating passage, and then the vacuum degree starts to be displayed on the vacuum degree digital display meter 5;
5) then, the router 6 transmits the vacuum degree signal to the external equipment, and the computer end observes the vacuum degree condition to detect whether the negative pressure channel leaks air or not.
The embodiments described in this specification are merely illustrative of implementations of the inventive concept and the scope of the present invention should not be considered limited to the specific forms set forth in the embodiments but includes equivalent technical means as would be recognized by those skilled in the art based on the inventive concept.

Claims (10)

1.方形锂电池负压通路检测装置,其特征在于,包括:1. a square lithium battery negative pressure path detection device, is characterized in that, comprises: 固定单元,包括外框和顶盖,外框与托盘外形尺寸一样,外框设有安装腔,用于安装与支撑负压检测单元以及信号传输单元;所述顶盖安装于外框的顶部敞口处,所述顶盖上布设两个供电铜条通孔和若干个定位孔,所述供电铜条通孔用于安装供电铜条;The fixing unit includes an outer frame and a top cover. The outer frame has the same dimensions as the tray. The outer frame is provided with a mounting cavity for installing and supporting the negative pressure detection unit and the signal transmission unit; the top cover is installed on the top of the outer frame. At the mouth, two power supply copper strip through holes and several positioning holes are arranged on the top cover, and the power supply copper strip through holes are used for installing the power supply copper strip; 负压检测单元,包括工装阀管和真空数显表,其中工装阀管设置于外框的安装腔内,工装阀管的顶端卡入定位孔内,用于与外部的负压吸嘴相连通;真空数显表嵌装于外框的前面板上,并与工装阀管一一对应,真空数显表的连接端与工装阀管的底端相连通,用于检测负工装阀管在抽真空状态时的真空度;The negative pressure detection unit includes a tooling valve tube and a vacuum digital display meter. The tooling valve tube is arranged in the installation cavity of the outer frame, and the top of the tooling valve tube is clamped into the positioning hole for communicating with the external negative pressure suction nozzle. ;The vacuum digital display meter is embedded on the front panel of the outer frame and corresponds to the tooling valve tube one by one. The connection end of the vacuum digital display meter is connected with the bottom end of the tooling valve tube, which is used to detect when the negative tooling valve tube is pumping. The degree of vacuum in the vacuum state; 以及信号传输单元,包括路由器以及一对供电铜条,所述供电铜条分别嵌装于外框内,并且供电铜条的上端插入顶盖相应的供电铜条通孔内,并且顶端作为接触端超出顶盖表面,用于与运动机构装配体的供电探针接触连接,供电铜条的下部与路由器的供电端电连接,用于对路由器进行供电;所述路由器设置于安装腔的底部,并且路由器的信号传输端与所述真空数显表的信号传输端电连接,用于将真空数显表的真空度显示值传递给外部处理设备。and a signal transmission unit, including a router and a pair of power supply copper strips, the power supply copper strips are respectively embedded in the outer frame, and the upper end of the power supply copper strip is inserted into the corresponding power supply copper strip through hole of the top cover, and the top end serves as a contact end Beyond the surface of the top cover, it is used for contact and connection with the power supply probe of the motion mechanism assembly, and the lower part of the power supply copper strip is electrically connected to the power supply end of the router for supplying power to the router; the router is arranged at the bottom of the installation cavity, and The signal transmission end of the router is electrically connected with the signal transmission end of the vacuum digital display meter, and is used for transmitting the vacuum degree display value of the vacuum digital display meter to the external processing equipment. 2.如权利要求1所述的方形锂电池负压通路检测装置,其特征在于:所述外框与托盘外形尺寸一样,为空腔结构的方体,左右面板上有多个等间距分布方形镂空结构,用于减轻该方形锂电池负压通路检测装置的重量,右面板设有至少一个用于通讯的方孔;后面板有多个等间距分布方形镂空结构,用于减轻该方形锂电池负压通路检测装置的重量。2 . The negative pressure path detection device for a square lithium battery according to claim 1 , wherein the outer frame has the same dimensions as the tray, and is a square body with a cavity structure, and there are a plurality of equally spaced squares on the left and right panels. 3 . The hollow structure is used to reduce the weight of the square lithium battery negative pressure path detection device. The right panel is provided with at least one square hole for communication; the rear panel has a plurality of equally spaced square hollow structures to reduce the square lithium battery. The weight of the negative pressure passage detection device. 3.如权利要求1所述的方形锂电池负压通路检测装置,其特征在于:所述工装阀管是负压通路,用于连接负压吸嘴与真空数显表;所述工装阀管包括工装阀管本体、负压吸嘴连接端和真空数显表连接端,所述工装阀管本体安装在外框的安装腔内;所述负压吸嘴连接端通过顶盖的定位孔进行定位及伸出,用于与化成测试设备的运动结构装配体上的负压组件上的负压吸嘴一一对应接触;所述真空数显表连接端为直通接头,与气管连接,然后气管再与真空数显表进行连接。3. The negative pressure path detection device for a square lithium battery according to claim 1, characterized in that: the tooling valve pipe is a negative pressure path for connecting a negative pressure suction nozzle and a vacuum digital display; the tooling valve pipe It includes a tooling valve tube body, a negative pressure suction nozzle connection end and a vacuum digital display connection end. The tooling valve tube body is installed in the installation cavity of the outer frame; the negative pressure suction nozzle connection end is positioned through the positioning hole of the top cover. and stretch out to make contact with the negative pressure suction nozzles on the negative pressure components on the motion structure assembly of the chemical formation test equipment one by one; Connect to a vacuum digital display. 4.如权利要求3所述的方形锂电池负压通路检测装置,其特征在于:所述顶盖为一安装固定在框体结构的上表面的矩形板,顶盖沿长度方向的两端部各设有一个电铜条通孔,用于嵌装供电铜条;所述顶盖沿长度方向设有两列方形的定位孔,并且定位孔有24个,分为两列,每列12个,两列定位孔平行分布顶盖上,与顶盖的左右两边平行,用于给工装阀管的定位。4 . The negative pressure path detection device for a square lithium battery according to claim 3 , wherein the top cover is a rectangular plate installed and fixed on the upper surface of the frame structure, and the two ends of the top cover along the length direction. 5 . Each is provided with an electric copper strip through hole for embedding the power supply copper strip; the top cover is provided with two columns of square positioning holes along the length direction, and there are 24 positioning holes, which are divided into two columns, 12 in each column , Two rows of positioning holes are distributed in parallel on the top cover, parallel to the left and right sides of the top cover, and are used for the positioning of the tooling valve tube. 5.如权利要求4所述的方形锂电池负压通路检测装置,其特征在于:所述工装阀管垂直设置于安装腔内,所述工装阀管有24个,分成两列,每列12个,每列工装阀管竖直安装固定在外框里面,两列工装阀管彼此保持平行,且与外框的左右两面平行。5 . The negative pressure path detection device for a square lithium battery according to claim 4 , wherein the tooling valve tube is vertically arranged in the installation cavity, and there are 24 tooling valve tubes, which are divided into two columns, and each column has 12 pieces. 6 . Each row of tooling valve tubes is vertically installed and fixed inside the outer frame, and the two rows of tooling valve tubes are kept parallel to each other and parallel to the left and right sides of the outer frame. 6.如权利要求5所述的方形锂电池负压通路检测装置,其特征在于:所述固定单元还包括下卡板,所述下卡板上有两列方孔,每列12个,两列方孔平行分布在下卡板上,与下卡板的左右两边平行,与所述顶盖的定位孔一一对应,并与顶盖的定位孔共同用于工装阀管的定位与固定。6 . The negative pressure path detection device for a square lithium battery according to claim 5 , wherein the fixing unit further comprises a lower card plate, and the lower card plate has two rows of square holes, 12 in each row, and two holes in each row. 7 . The row square holes are distributed in parallel on the lower card plate, parallel to the left and right sides of the lower card plate, corresponding to the positioning holes of the top cover one by one, and used together with the positioning holes of the top cover for the positioning and fixing of the tooling valve tube. 7.如权利要求1所述的方形锂电池负压通路检测装置,其特征在于:所述供电铜条有2个,安装固定在顶盖的中心线位置,且分别靠近顶盖的前后两边,所述供电铜条包括供电铜条本体与供电铜条固定板,所述供电铜条固定板通过下卡板定位在外框的安装腔内,用于支撑与安装供电铜条本体;所述供电铜条本体固定在供电铜条固定板顶部,并且供电铜条本体的顶部从供电铜条通孔伸出顶盖形成可与运动机构装配体的供电探针接触连接的接触端;供电铜条本体与路由器电连接,用于给路由器供电。7. The negative pressure path detection device of square lithium battery as claimed in claim 1, is characterized in that: there are 2 described power supply copper bars, which are installed and fixed at the centerline position of the top cover, and are respectively close to the front and rear sides of the top cover, The power supply copper strip includes a power supply copper strip body and a power supply copper strip fixing plate, the power supply copper strip fixing plate is positioned in the installation cavity of the outer frame through the lower card plate, and is used for supporting and installing the power supply copper strip body; the power supply copper strip The strip body is fixed on the top of the power supply copper strip fixing plate, and the top of the power supply copper strip body protrudes from the top cover from the power supply copper strip through hole to form a contact end that can be contacted and connected with the power supply probe of the motion mechanism assembly; the power supply copper strip body and The router is electrically connected to supply power to the router. 8.如权利要求7所述的方形锂电池负压通路检测装置,其特征在于:所述供电铜条本体为“几”字形结构,通过供电铜条固定板安装固定外框的下卡板上;所述供电铜条本体的凸起部分从供电铜条通孔伸出,而供电铜条本体的两个外展端卡在供电铜条通孔处,以防止供电铜条本体从供电铜条通孔内脱出。8 . The negative pressure path detection device for a square lithium battery according to claim 7 , wherein the power supply copper strip body has a "ji"-shaped structure, and the power supply copper strip fixing plate is installed and fixed on the lower card board of the outer frame. 9 . ; The protruding part of the power supply copper strip body protrudes from the power supply copper strip through hole, and the two outreach ends of the power supply copper strip body are stuck at the power supply copper strip through hole to prevent the power supply copper strip body from the power supply copper strip. out of the through hole. 9.一种方形锂电池负压通路检测系统,其特征在于:包括化成分容设备和如权利要求1~8任意一项所述的方形锂电池负压通路检测装置,所述化成分容设备的顶部悬装运动机构装配体,且运动机构装配体的运动部配装有可与供电铜条接触连接的供电探针以及带有负压吸嘴的负压组件,方形锂电池负压通路检测装置安装于化成分容设备内,位于运动机构装配体的运动部正下方,且负压吸嘴与工装阀管一一对应,使得供电探针与方形锂电池负压通路检测装置的供电铜条接触连接时,负压吸嘴与对应工装阀管的接触接通,以对负压通路进行抽气形成负压环境。9 . A negative pressure path detection system for a square lithium battery, characterized in that it comprises a chemical composition device and the negative pressure path detection device for a square lithium battery according to any one of claims 1 to 8 , the chemical composition equipment The top of the mobile mechanism assembly is suspended, and the moving part of the motion mechanism assembly is equipped with a power supply probe that can be in contact with the power supply copper bar and a negative pressure component with a negative pressure suction nozzle, and the negative pressure path detection of the square lithium battery The device is installed in the chemical composition equipment, located directly under the moving part of the motion mechanism assembly, and the negative pressure suction nozzle corresponds to the tooling valve tube one by one, so that the power supply probe and the power supply copper strip of the negative pressure path detection device of the square lithium battery During the contact connection, the contact between the negative pressure suction nozzle and the corresponding tooling valve tube is connected, so that the negative pressure passage is pumped to form a negative pressure environment. 10.利用权利要求9所述的方形锂电池负压通路检测系统对负压通路进行检测的方法,其特征在于,包括以下步骤:10. The method for detecting the negative pressure passage using the square lithium battery negative pressure passage detection system according to claim 9, wherein the method comprises the following steps: 1)将方形锂电池负压通路检测装置置于方形锂电池化成测试设备的运动机构装配体的托盘库位中;1) Place the square lithium battery negative pressure path detection device in the tray storage position of the motion mechanism assembly of the square lithium battery into the test equipment; 2)启动化成测试设备,运动机构装配体会逐渐下降,当运动机构装配体的负压组件的负压吸嘴与工装阀管的负压吸嘴连接端紧密接触时,负压通路连通;2) Start the formation test equipment, the motion mechanism assembly body gradually descends, and when the negative pressure suction nozzle of the negative pressure component of the motion mechanism assembly body is in close contact with the negative pressure suction nozzle connection end of the tooling valve tube, the negative pressure passage is connected; 3)运动机构装配体的供电探针与该方形锂电池负压通路检测装置的供电铜条相连接,以对供电铜条进行供电,进而对路由器进行供电;3) The power supply probe of the motion mechanism assembly is connected with the power supply copper bar of the negative pressure path detection device of the square lithium battery, so as to supply power to the power supply copper bar, and then supply power to the router; 4)执行对负压通路抽真空的指令时,真空泵对负压通路进行抽真空,然后真空度数显表上开始显示真空度;4) When executing the instruction to evacuate the negative pressure passage, the vacuum pump evacuates the negative pressure passage, and then the vacuum degree indicator starts to display the degree of vacuum; 5)路由器将真空度信号传输给外部设备,通过外部设备观察真空度情况以检测负压通路是否漏气。5) The router transmits the vacuum degree signal to the external device, and observes the vacuum degree through the external device to detect whether the negative pressure passage is leaking.
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