CN218765404U - Secondary battery negative pressure formation pipeline detection device and system - Google Patents
Secondary battery negative pressure formation pipeline detection device and system Download PDFInfo
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- CN218765404U CN218765404U CN202222758577.1U CN202222758577U CN218765404U CN 218765404 U CN218765404 U CN 218765404U CN 202222758577 U CN202222758577 U CN 202222758577U CN 218765404 U CN218765404 U CN 218765404U
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Abstract
The utility model discloses a secondary cell subpressure becomes pipeline detection device and system. The device comprises: the device comprises a tool body, a plurality of detection ports, a flow detection element and a controller; the detection ports are arranged on the tool body, and each detection port can be connected with a negative pressure formation pipeline; each flow detection element is connected with one detection port to detect the flow of the negative pressure formation pipeline connected with the detection port; the controller is connected with the flow detection elements to acquire flow data detected by each flow detection element. The blockage degree of the pipeline can be more accurately detected, and the detection accuracy is greatly improved.
Description
Technical Field
The utility model relates to a battery testing technology field, in particular to secondary cell subpressure becomes pipeline detection device and system.
Background
A secondary battery is also called a rechargeable battery or a secondary battery, and refers to a battery that can be continuously used by activating an active material by charging after the battery is discharged. As a new energy source, secondary batteries are widely used at present due to their advantages of high efficiency, no pollution, and recyclability. In the preparation process of the secondary battery, a formation process needs to be completed to activate the battery, specifically, a process of activating a battery negative electrode and forming an SEI (Solid Electrolyte Interface) film on the surface of the battery negative electrode is performed. In the process, various gases are often generated due to side reactions between the cathode of the battery and the electrolyte, the generated gases can be extracted from the electrolyte through a negative pressure system, but a small amount of electrolyte is inevitably sucked out in the extraction process, a temporary storage container (such as a liquid storage tank or a negative pressure cup) is generally designed in a negative pressure pipeline to buffer the sucked electrolyte, and then dry gas is filled into the container through a positive pressure dry gas system to refill the buffered electrolyte into the battery. Because the battery is generally produced under the low dew point environment of high temperature, use easy crystallization of a period of time electrolyte, lead to the pipeline to block up, if can not discover in time and handle, can cause that various gases that the battery formation in-process produced can't discharge and be detained in the battery, and then cause the battery shell to swell, scrap and even take place phenomenons such as battery explosion, harm and loss are great.
Therefore, it is necessary to detect whether the negative pressure formation line is clogged in time. In the prior art, a tool for detecting whether a negative pressure formation pipeline is blocked generally uses a pressure gauge to confirm the on-off and air tightness of the negative pressure formation pipeline.
SUMMERY OF THE UTILITY MODEL
The inventor of this application discovers, when using the manometer to detect break-make and gas tightness that the negative pressure becomes the pipeline, can not be accurate the jam degree of definite pipeline, still can test pressure when the pipeline is not plugged up completely, but the patency of pipeline has received very big influence, and the detection accuracy to the jam degree when current detection frock detects pipeline break-make to pipeline break-make remains to be improved.
In view of the above, the present invention has been made to provide a secondary battery negative pressure formation pipeline detection device and system that overcome or at least partially solve the above problems.
The embodiment of the utility model provides a secondary cell subpressure becomes pipeline detection device, include: the device comprises a tool body, a plurality of detection ports, a flow detection element and a controller;
the detection ports are arranged on the tool body, and each detection port can be connected with a negative pressure formation pipeline;
each flow detection element is connected with one detection port to detect the flow of the negative pressure formation pipeline connected with the detection port;
the controller is connected with the flow detection elements to acquire flow data detected by each flow detection element.
In some optional embodiments, the apparatus further comprises: at least one detection port fixing table;
the detection port fixing table is provided with a plurality of detection port mounting positions for mounting the detection ports;
the tool body is provided with a plurality of first threaded holes, the detection port fixing table is provided with a fixing table mounting hole, and the fixing table mounting hole can be matched with different first threaded holes to change the mounting position of the detection port fixing table.
In some optional embodiments, the tool body comprises an upper cover body and a base, and an inner cavity is formed after the upper cover body and the base are installed;
a plurality of detection port mounting holes are formed in the top plate of the upper cover body so as to mount the detection ports;
the flow detection element is arranged below the detection port and is positioned in the inner cavity;
the controller is arranged on the side wall of the upper cover body and is in signal connection with the flow detection element.
In some optional embodiments, the apparatus further comprises: a test port seal mounted at the test port.
In some optional embodiments, the tool body includes an upper cover body and a base, at least one set of first mounting holes is disposed on a side wall of the upper cover body, at least one set of second mounting holes is disposed on a side wall of the base, and after the upper cover body and the base are assembled through cooperation of different first mounting holes and different second mounting holes, the overall height of the tool body is different.
In some optional embodiments, at least one of a voltage output interface, a current output interface, a wired communication interface and a wireless communication interface is provided on the controller to output at least one of a voltage signal, a current signal, a wired communication signal and a wireless communication signal.
In some optional embodiments, the apparatus further comprises:
the indicating elements are respectively connected with one flow detection element through the controller so as to indicate the blocking state of the negative pressure formation pipeline detected by the flow detection elements; and/or
And the silencer is connected with the outlet end of the flow detection element or is connected with the outlet end of the flow detection element through a collecting plate, and the outlet end of the silencer is communicated with the external environment.
In some optional embodiments, the apparatus further comprises: the handle is arranged on the side wall of the tool body.
The embodiment of the utility model provides a secondary cell negative pressure becomes pipeline detecting system, include: the device comprises formation equipment and the secondary battery negative pressure formation pipeline detection device;
and the detection port of the detection device is respectively connected with the vacuum suction nozzle of the formation equipment so as to detect the flow in the formation pipeline through the flow detection element.
In some optional embodiments, the system further comprises:
and the main control equipment is in communication connection with the controller in the detection device so as to receive the flow data transmitted by the controller.
The embodiment of the utility model provides an above-mentioned technical scheme's beneficial effect includes at least:
the embodiment of the utility model provides a secondary cell subpressure becomes pipeline detection device, set up a plurality of detection mouths on the frock body, with correspond the different subpressure of connection and become the pipeline, flow through the flow detection component who is connected with every detection mouth detects the flow that the connected subpressure becomes the pipeline, thereby realize detecting the jam state of pipeline, acquire the flow data that each flow detection component detected through the controller, with confirm the jam state, show the jam state or give external control equipment with flow data transmission, thereby make things convenient for the staff in time to discover the jam degree of pipeline, in time handle, avoid blocking up the battery case bloated that leads to because of the pipeline, scrap, the unobstructed scheduling problem of explosion, guarantee the pipeline, reduce unnecessary harm and loss.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a secondary battery negative pressure formation pipeline detection device in an embodiment of the present invention;
FIG. 2 is an exemplary illustration of the device of FIG. 1 after the top plate has been repositioned;
fig. 3 is a schematic structural diagram of a system for detecting negative pressure formation of a secondary battery in an embodiment of the present invention.
Description of reference numerals:
1-a tool body, 2-a detection port, 3-a flow detection element, 4-a controller, 5-a detection port fixing table, 6-an indicating element and 7-a lifting handle;
11-an upper cover body, 12-a base and 13-a first threaded hole;
111-top plate, 112-slotted hole, 113-upper cover body side wall, 114-first mounting hole;
121-base side wall, 122-second mounting hole;
51-fixed table mounting holes.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to solve the problem that the secondary battery negative pressure formation pipeline patency performance detection accuracy degree is poor that exists among the prior art, the embodiment of the utility model provides a secondary battery negative pressure formation pipeline detection device and system can whether block up and the degree of jam by quick effectual discernment negative pressure pipeline, prevents that the jam of negative pressure pipeline from causing the battery to scrap, and this detection device uses flow switch to detect the pipeline, can detect out the flow variation when the pipeline is not plugged up completely to can accurately judge the jam degree of pipeline.
The utility model discloses secondary battery negative pressure becomes pipeline detection device, its structure is as shown in figure 1 and figure 2, include: the device comprises a tool body 1, a plurality of detection ports 2, a flow detection element 3 and a controller 4;
the detection ports 2 are arranged on the tool body 1, and each detection port 2 can be connected with a negative pressure formation pipeline;
each flow rate detection element 3 is connected with one detection port 2 to detect the flow rate of the negative pressure formation pipeline connected with the detection port 2;
the controller 4 is connected to the flow rate detecting elements 3 to acquire flow rate data detected by each flow rate detecting element 3 so as to determine the degree of clogging of the negative pressure formation line.
The flow sensing element 3 is located below the sensing port 2 in fig. 1 and 2, and reference numeral 3 in the drawings merely indicates the position of the flow sensing element by way of example, and cannot be clearly seen since it is blocked by 5.
The embodiment of the utility model provides a secondary cell subpressure becomes pipeline detection device, set up a plurality of detection mouths on the frock body, with correspond the different subpressure of connection and become the pipeline, flow through the flow detection component who is connected with every detection mouth detects the flow that the connected subpressure becomes the pipeline, thereby realize detecting the jam state of pipeline, acquire the flow data that each flow detection component detected through the controller, with confirm the jam state, show the jam state or give external control equipment with flow data transmission, thereby make things convenient for the staff in time to discover the jam degree of pipeline, in time handle, avoid blocking up the battery case bloated that leads to because of the pipeline, scrap, the unobstructed scheduling problem of explosion, guarantee the pipeline, reduce unnecessary harm and loss.
The flow detection element 3 can be a flowmeter, a flow sensor, a flow switch and the like, the detection can be placed in a formation cabinet of formation equipment, a vacuum suction nozzle on the formation equipment is pressed on a detection port, a positive pressure drying gas system is opened to fill dry gas into a formation pipeline, and the blockage condition of the corresponding pipeline can be judged by judging a flow value detected by the flow detection element. The flow detection element can detect the on-off state of the pipeline and the blockage degree of the pipeline, including different states such as partial blockage or complete blockage.
In some optional embodiments, the tool body 1 includes an upper cover 11 and a base 12, and the upper cover 11 and the base 12 form an inner cavity after being installed; a plurality of detection port 2 mounting holes are formed in the top plate of the upper cover body 11 so as to mount detection ports; the flow detection element 3 is arranged below the detection port 2 and is positioned in the inner cavity; the controller 4 is mounted on the side wall of the upper cover 11 and is in signal connection with the flow rate detecting element 3. The number and arrangement of the detection ports 2 may be set according to the number and position of vacuum suction nozzles of the secondary battery formation equipment, so that the clogging of each pipe can be detected by one flow rate detection element connected below each detection port, respectively.
In some optional embodiments, the detection apparatus further includes at least one detection port fixing table 5, and the detection port fixing table 5 is provided with a plurality of detection port mounting positions for mounting the detection ports 3; the tool body 1 is provided with a plurality of first threaded holes 13, the detection port fixing table 5 is provided with a fixing table mounting hole 51, and the fixing table mounting hole 51 can be matched with different first threaded holes to change the mounting position of the detection port fixing table. Referring to fig. 1, two fixing tables with detection ports are provided, 10 detection ports can be installed on each fixing table, two rows of first threaded holes which are transversely arranged are formed in the tool body, corresponding installation holes are formed in two sections of the fixing tables, and the installation holes can be matched with different first threaded holes, so that the transverse position of the fixing table can be changed. The detection port fixing table 5 can be fixedly installed on a top plate 111 of an upper cover body 11 of the tool body, a plurality of long slotted holes 112 are formed in the top plate 111, each long slotted hole 112 corresponds to one installation position on the detection port fixing table, when the position of the detection port fixing table is changed, the position of the detection port 3 in the long slotted hole 112 is also changed, and the positions of the detection port and a connected flow detection element can be moved through the arrangement of the long slotted holes. The transverse position of the detection port can be adjusted by arranging the detection port fixing table 5 so as to adapt to different formation equipment.
Optionally, the height of the tool body 1 after assembly may also be designed to be adjustable, as shown in fig. 2, an exemplary diagram after the upper cover 11 and the base 12 are pulled apart is shown, at least one set of first mounting holes 114 is disposed on the upper cover side wall 113, at least one set of second mounting holes 122 is disposed on the base side wall 121, after the upper cover 11 and the base 12 are assembled with different second mounting holes through the cooperation of different first mounting holes, the overall height of the tool body is different, as shown in fig. 1, the overall height of the detection device may be adjusted within a certain range through the longitudinally arranged first mounting holes and the longitudinally arranged second mounting holes disposed on the side walls, so as to adapt to different formed cabinets, and the applicability of the device is higher.
The upper cover 11 and the base 12 may or may not be screwed together. When the screw connection is adopted, the first mounting hole 114 may be a second threaded hole, and the corresponding second mounting hole 122 may be a through hole; or the second mounting hole 122 is a second threaded hole, and the corresponding first mounting hole 114 is a through hole, or both the first mounting hole 114 and the second mounting hole 122 are through holes, and in this case, a bolt and a nut may be used for connection. To setting up the screw hole in this application on last lid lateral wall and still set up the screw hole on the lateral wall of base and do not do the restriction, as long as can realize connecting.
In order to ensure the air tightness of the detection port after the detection port is connected with the formation pipeline, a sealing element, not shown in the figure, can be arranged at the detection port, namely the device also comprises a detection port sealing element arranged at the detection port, and the sealing element can be a sealing ring or a sealing gasket. For example, a sealing member installation groove may be provided at the detection port, the sealing ring is installed in the groove, and a plurality of installation grooves may be provided to install a plurality of sealing rings. And for example, the mounting of a sealing gasket at the inspection opening. The sealing element is designed at the detection port, so that the air tightness of the detection port connected with the vacuum suction nozzle can be better ensured.
In some optional embodiments, the controller 4 is provided with at least one of a voltage output interface, a current output interface, a wired communication interface and a wireless communication interface to output at least one of a voltage signal, a current signal, a wired communication signal and a wireless communication signal. As shown in fig. 1, a controller 4 is disposed on a side wall of a tool body 1, the controller 4 may be connected to all flow detecting elements in a cavity, and supplies power to the flow detecting elements, and reads a flow value detected by the flow detecting elements, the flow value may be output in at least one of analog current, analog voltage, wired signal, wireless signal, and the like, and may be determined based on the flow value, the controller has a wired and/or wireless communication transmission function, and may communicate with a main control device in a wired and/or wireless communication manner, so as to implement real-time data interaction, and the main control device may be an upper main control system, or may be a mobile terminal device, a personal computer, and the like. The controller can output the data related to the flow value and the blockage degree to the connected main control equipment or output the data to the indicating element for carrying out corresponding state indication.
In some optional embodiments, the detecting device further comprises indicating elements 7, and each indicating element 7 is connected to one flow detecting element 3 through the controller 4 respectively to indicate that the negative pressure detected by the flow detecting element 3 is changed into the blockage state of the pipeline. The indication state of the indicating element can be determined based on the set flow threshold, as shown in fig. 1, a front panel of the controller is provided with two-color indicating lamps, each indicating lamp corresponds to one flow detection element, and if the current flow of the pipeline is less than the set threshold, the red lamp is on, indicating that the pipeline is blocked; otherwise, if the current flow rate > = the set threshold value, the green light is turned on, and the pipeline is not blocked.
In some optional embodiments, the detecting device further comprises a silencer, not shown in the drawings, and the silencer is connected to the outlet end of the flow detecting element and is communicated with the external environment to realize gas exhaust and noise reduction. The muffler can set up a plurality ofly also can set up one or a fixed station and correspond and set up one, consequently, optionally, can set up the cylinder manifold, with all flow detection element's in the monitoring devices export or the exit linkage of all flow detection element of installation on a fixed station to the cylinder manifold, the export of cylinder manifold is linking to the muffler, through muffler intercommunication external environment to realize noise abatement.
In some optional embodiments, the detecting device further includes at least one handle disposed on a sidewall of the tool body, and fig. 1 illustrates an example of disposing two handles.
Based on same utility model the design, the embodiment of the utility model provides a secondary cell negative pressure becomes pipeline detecting system still provides, as shown in fig. 3, include: a formation device 20 and the secondary battery negative pressure formation pipeline detection apparatus 10; the detection port of the secondary battery negative pressure formation pipeline detection device is respectively connected with the vacuum suction nozzle of the formation equipment so as to detect the flow in the formation pipeline through a flow detection element.
In some optional embodiments, the system further includes a main control device 30, communicatively connected to the controller in the detection apparatus 10, for receiving the traffic data transmitted by the controller.
The utility model discloses secondary battery negative pressure becomes pipeline detection device is a stifled frock is surveyed to the pipeline, is different from and adopts pressure sensor to survey stifled mode among the prior art, and this detection device adopts flow detection component to carry out pipeline jam degree and detects, detects more accurately, can more timely detect out the jam condition of pipeline, timely early warning. For example, when a certain pipeline is not blocked and only 1/3 of the pipeline is blocked, the pressure sensor cannot detect the abnormality, but the flow detection element can detect the abnormality. In addition, the controller of the detection device has the function of data real-time interaction with the upper main control equipment, is more intelligent and more convenient to operate, and is convenient to access an intelligent factory system. The whole height of the detection device is adjustable, and the position of the detection port is adjustable, so that the detection device is strong in universality and can adapt to formation equipment with different specifications.
It should be understood that the specific order or hierarchy of steps in the processes disclosed is an example of exemplary approaches. Based upon design preferences, it is understood that the specific order or hierarchy of steps in the processes may be rearranged without departing from the scope of the present disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not intended to be limited to the specific order or hierarchy presented.
In the foregoing detailed description, various features are grouped together in a single embodiment for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed embodiments of the subject matter require more features than are expressly recited in each claim. Rather, as the following claims reflect, the invention lies in less than all features of a single disclosed embodiment. Thus, the following claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.
What has been described above includes examples of one or more embodiments. It is, of course, not possible to describe every conceivable combination of components or methodologies for purposes of describing the aforementioned embodiments, but one of ordinary skill in the art may recognize that many further combinations and permutations of various embodiments are possible. Accordingly, the embodiments described herein are intended to embrace all such alterations, modifications and variations that fall within the scope of the appended claims. Furthermore, to the extent that the term "includes" is used in either the detailed description or the claims, such term is intended to be inclusive in a manner similar to the term "comprising" as "comprising" is interpreted when employed as a transitional word in a claim. Furthermore, any use of the term "or" in the specification of the claims is intended to mean a "non-exclusive or".
Claims (10)
1. A secondary battery negative pressure formation pipeline detection device is characterized by comprising: the device comprises a tool body, a plurality of detection ports, a flow detection element and a controller;
the detection ports are arranged on the tool body, and each detection port can be connected with a negative pressure formation pipeline;
each flow detection element is connected with one detection port to detect the flow of the negative pressure formation pipeline connected with the detection port;
the controller is connected with the flow detection elements to acquire flow data detected by each flow detection element.
2. The apparatus of claim 1, further comprising: at least one detection port fixing table;
the detection port fixing table is provided with a plurality of detection port mounting positions for mounting the detection ports;
the tool body is provided with a plurality of first threaded holes, the detection port fixing table is provided with a fixing table mounting hole, and the fixing table mounting hole can be matched with different first threaded holes to change the mounting position of the detection port fixing table.
3. The device of claim 1, wherein the tool body comprises an upper cover body and a base, and the upper cover body and the base form an inner cavity after being mounted;
a plurality of detection port mounting holes are formed in the top plate of the upper cover body so as to mount the detection ports;
the flow detection element is arranged below the detection port and is positioned in the inner cavity;
the controller is arranged on the side wall of the upper cover body and is in signal connection with the flow detection element.
4. The apparatus of claim 1, further comprising: and the detection port sealing piece is arranged at the detection port.
5. The device of claim 1, wherein the tool body comprises an upper cover body and a base, at least one set of first mounting holes is formed in a side wall of the upper cover body, at least one set of second mounting holes is formed in a side wall of the base, and after the upper cover body and the base are assembled through matching of different first mounting holes and different second mounting holes, the overall height of the tool body is different.
6. The apparatus of claim 1, wherein the controller is provided with at least one of a voltage output interface, a current output interface, a wired communication interface, and a wireless communication interface to output at least one of a voltage signal, a current signal, a wired communication signal, and a wireless communication signal.
7. The apparatus of claim 1, further comprising:
the indicating elements are respectively connected with one flow detecting element through the controller so as to indicate that the negative pressure detected by the flow detecting elements is changed into the blockage state of the pipeline; and/or
And the silencer is connected with the outlet end of the flow detection element or is connected with the outlet end of the flow detection element through a collecting plate, and the outlet end of the silencer is communicated with the external environment.
8. The apparatus of any of claims 1-7, further comprising: the handle is arranged on the side wall of the tool body.
9. The utility model provides a secondary cell negative pressure becomes pipeline detecting system which characterized in that includes: a formation device and a secondary battery negative pressure formation pipeline detection device according to any one of claims 1 to 8;
and the detection port of the detection device is respectively connected with the vacuum suction nozzle of the formation equipment so as to detect the flow in the formation pipeline through the flow detection element.
10. The system of claim 9, further comprising:
and the main control equipment is in communication connection with the controller in the detection device so as to receive the flow data transmitted by the controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222758577.1U CN218765404U (en) | 2022-10-19 | 2022-10-19 | Secondary battery negative pressure formation pipeline detection device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222758577.1U CN218765404U (en) | 2022-10-19 | 2022-10-19 | Secondary battery negative pressure formation pipeline detection device and system |
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| CN218765404U true CN218765404U (en) | 2023-03-28 |
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| CN202222758577.1U Active CN218765404U (en) | 2022-10-19 | 2022-10-19 | Secondary battery negative pressure formation pipeline detection device and system |
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