CN211556077U - Single-channel sealing connection device - Google Patents
Single-channel sealing connection device Download PDFInfo
- Publication number
- CN211556077U CN211556077U CN202020173342.4U CN202020173342U CN211556077U CN 211556077 U CN211556077 U CN 211556077U CN 202020173342 U CN202020173342 U CN 202020173342U CN 211556077 U CN211556077 U CN 211556077U
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- Prior art keywords
- quick
- connector
- connection device
- temperature sensor
- flange joint
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- 238000007789 sealing Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 15
- 229920006351 engineering plastic Polymers 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 9
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- 229920003023 plastic Polymers 0.000 description 7
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Images
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
Abstract
The utility model provides a single channel sealing connection device and battery package thermal management system. The single-channel sealing connection device comprises: the temperature sensor is integrated on the first quick connector and used for detecting the temperature of liquid circulating in the first quick connector, and the first quick connector and the second quick connector are respectively used for being mutually inserted and combined with a matching female connector on an external water pipe.
Description
Technical Field
The utility model relates to a battery heat management device especially relates to a single channel sealing connection device for circulating heat management liquid.
Background
The battery thermal management device is an important component of the battery system, and ensures that the battery system works under the optimal temperature condition. In the prior art, a battery heat management device generally comprises an independently distributed internal and external battery heat management communication mechanism (popular name: a battery pack box body water pipe flange sealing joint, which is called a flange joint for short) and a heat management liquid temperature acquisition sensor. Furthermore, the temperature acquisition sensor is usually arranged in a way that a single temperature sensor is arranged on a single-channel pipeline.
The structure and the arrangement form of the existing flange joint and temperature sensor mainly have the following defects:
1. the water temperature sensor is connected to the pipeline through common welding, cold pressing connection or thread assembly connection after being packaged, the production takt is influenced by the welding, the cold pressing connection and the thread assembly connection, the manufacturing efficiency is reduced, and meanwhile the cost of the fixture inspection device is increased through the welding and the cold pressing connection. The connectors of the water temperature sensor require the wiring harness to mate with the sensor using two separate connectors, increasing the number cost of the connectors. The cost of materials and manufacture of the existing flange joint and the temperature sensor is high;
2. the welding process product is not beneficial to the precision control of the size of a key sealing surface due to heat concentration, the cold pressing connection is difficult to control the compression amount of a pipeline and the rebound deformation after compression, larger size deviation is generated, and the size control of the whole pipeline is not beneficial;
3. the water temperature sensor is packaged and then connected into a pipeline through common welding, compression joint or thread assembly, the sealing performance and the structural durability of a product cannot be perfectly guaranteed due to the problems of welding penetration and welding quality in a welding mode, the product cannot be detected in real time in factory inspection, and the product fails after a certain working condition; the risk of sealing failure is easily generated due to the manufacturing quality of field torque control and the torque attenuation after the road test working condition in the threaded assembly connection mode;
4. a single water temperature sensor is connected in series on a single-channel pipeline, so that the overall length of the pipeline is increased, and the spatial arrangement of the sensors reduces the volume utilization rate of the scheme arrangement.
In order to solve the problems, the single-channel battery pack heat management flange joint sealing connection device integrating temperature acquisition is provided for carrying out directional analysis, comprehensive analysis on cost, performance, spatial arrangement and optimal part number on the existing arrangement structure so as to reduce the cost while ensuring good production process and heat management performance.
SUMMERY OF THE UTILITY MODEL
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
According to the utility model discloses an aspect provides a single channel sealing connection device, include:
the temperature sensor is integrated on the first quick connector and used for detecting the temperature of liquid circulating in the first quick connector, and the first quick connector and the second quick connector are respectively used for being mutually inserted and combined with a matching female connector on an external water pipe.
Furthermore, the flange joint, the temperature sensor, the first quick-connection plug and the second quick-connection plug are integrally formed in an injection molding mode.
Furthermore, the flange joint, the first quick-connection plug and the second quick-connection plug are made of engineering plastics.
Furthermore, a sealing ring is arranged on the mounting surface of the flange joint.
Furthermore, the first quick-plug connector and the second quick-plug connector are provided with limiting structures to limit the plugging depth of the mating female connector.
Furthermore, reinforcing ribs are arranged on the periphery of the flange joint.
Further, the connector of the temperature sensor is exposed.
According to another aspect of the utility model, a battery package thermal management system is provided, thermal management system includes the water cooling system, the water cooling system include as above-mentioned arbitrary single channel sealing connection device, single channel sealing connection device is used for connecting water cooling system and outside water pipe.
The utility model discloses utilize engineering plastics to mould plastics the integrated moulding plastics of sensor on the water cooling system's of current battery package advance return line on the flange joint body, the flange joint body draws the standard quick connector of water pipe, quick connector can with outside on the water pipe to joining in marriage the female joint and insert mutually and close, realize with the sealed function of UNICOM of outside water pipe.
And a multi-pin connector is adopted to connect the sensor integrated on the flange joint with a low-voltage wire harness of the battery pack, and is used for transmitting detected temperature information to a battery management system to realize temperature detection of a water inlet or a water outlet of the water cooling system.
The sealing ring embedded on the mounting surface of the flange joint body can realize the sealing performance between the inside and the outside of the battery pack.
Through integrative injection moulding's single channel sealing connection device uniformity is good, and the steady quality is arranged in a flexible way on class at the box of battery package, and occupation space is little.
Drawings
The above features and advantages of the present disclosure will be better understood upon reading the detailed description of embodiments of the disclosure in conjunction with the following drawings.
Fig. 1 is a schematic perspective view of a single pass sealed connection in one embodiment according to one aspect of the present invention;
fig. 2 is a schematic view of a mounting face of a flange joint in an embodiment of a single pass sealed connection device according to an aspect of the present invention.
For clarity, a brief description of the reference numerals is given below:
110 flange joint
111 mounting point
112 sealing ring
113 reinforcing bar
114 same water gap
120 temperature sensor
130 first quick connector
140 second quick connector
150 position limiting structure
Detailed Description
The following description is presented to enable any person skilled in the art to make and use the invention and is incorporated in the context of a particular application. Various modifications, as well as various uses in different applications will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to a wide range of embodiments. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the following detailed description, numerous specific details are set forth in order to provide a more thorough understanding of the invention. It will be apparent, however, to one skilled in the art that the practice of the invention may not necessarily be limited to these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring the present invention.
The reader's attention is directed to all papers and documents which are filed concurrently with this specification and which are open to public inspection with this specification, and the contents of all such papers and documents are incorporated herein by reference. All the features disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed is one example only of a generic series of equivalent or similar features.
Note that where used, the designations left, right, front, back, top, bottom, positive, negative, clockwise, and counterclockwise are used for convenience only and do not imply any particular fixed orientation. In fact, they are used to reflect the relative position and/or orientation between the various parts of the object. Furthermore, the terms "first" and "second" 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.
It is noted that, where used, further, preferably, still further and more preferably is a brief introduction to the exposition of the alternative embodiment on the basis of the preceding embodiment, the contents of the further, preferably, still further or more preferably back band being combined with the preceding embodiment as a complete constituent of the alternative embodiment. Several further, preferred, still further or more preferred arrangements of the belt after the same embodiment may be combined in any combination to form a further embodiment.
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only exemplary and should not be understood as imposing any limitation on the scope of the present invention.
According to the utility model discloses an aspect provides a single channel sealing connection device for realize the sealing connection of the heat management system in the battery package and outside water pipe.
In one embodiment, as shown in fig. 1, the single pass sealed connection may include a flange joint 110, a temperature sensor 120, a first quick-connect joint 130, and a second quick-connect joint 140.
The flange joint refers to an appliance which adopts a flange plate to realize sealing. As shown in fig. 1, the flange joint 110 is primarily referred to as the flange portion of fig. 1.
Fig. 2 shows a schematic view of a mounting face of the flange joint 110. As shown in fig. 2, the flange joint 110 may include a plurality of mounting points 111 to achieve a fixed connection with another flange joint.
Preferably, the plurality of mounting points 111 are evenly distributed on the flange joint 110.
In one embodiment, the number of the mounting points 111 is 4, and the mounting points are uniformly distributed at 4 corners of the flange joint 110 to achieve uniform stress during the fixed connection.
The first and second quick- connect connectors 130 and 140 may be standard quick-connect connectors that comply with national standards of the people's republic of china. The first quick-connect connector 130 and the second quick-connect connector 140 are respectively connected to two mounting surfaces of the flange joint 110. The first quick-connect connector 130 and the second quick-connect connector 140 are communicated through the water through port 114 of the flange joint 110 shown in fig. 2.
When the single-channel sealing connection device is connected with an external water pipe, one of the first quick-connection connector 130 and the second quick-connection connector 140 is plugged with a mating female connector on the external water pipe, and the other of the first quick-connection connector 130 and the second quick-connection connector 140 is plugged with a mating female connector on a water inlet of a water cooling system, so that the water cooling system of the battery pack is sealed and communicated with the external water pipe.
A temperature sensor is a sensor that senses temperature and converts it into a usable output signal. As shown in fig. 1, the temperature sensor 120 is integrated on one of the first quick-connect connector 130 or the second quick-connect connector 140, and is used for detecting the temperature of the liquid flowing through the first quick-connect connector 130 or the second quick-connect connector 140 as a temperature parameter of the thermal management system of the battery pack.
It can be appreciated that the temperature sensor 120 integrated on the first quick-connect connector 130 or the second quick-connect connector 140 avoids the problems of poor sealing performance and poor structural durability that may exist with a temperature sensor mounted on the first quick-connect connector 130 or the second quick-connect connector 140 by a conventional fixing connection method. It can be understood that the joint of the temperature sensor which is assembled and connected to the first quick-connect connector 130 or the second quick-connect connector 140 by welding or crimping can be impacted by the liquid passing through the first quick-connect connector 130 or the second quick-connect connector 140 for a long time, and the problem of sealing failure can not be avoided.
The temperature sensor 120 integrated on the first quick connector 130 or the second quick connector 140 is integrated with the first quick connector 130 or the second quick connector, which does not have the above-mentioned problem.
In a preferred embodiment, the flange joint 110, the temperature sensor 120, the first quick-connect coupling 130, and the second quick-connect coupling 140 shown in FIG. 1 are integrally injection molded.
Injection molding, also known as injection molding, is a molding method that is injection and molding. Stirring the completely molten plastic material by a screw at a certain temperature, injecting the plastic material into a mold cavity by high pressure, and cooling and solidifying to obtain a molded product. The method is suitable for batch production of parts with complex shapes, and is one of the mature and important processing methods at present.
The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.
The injection molding generally comprises the steps of mold closing, glue injection, pressure maintaining, cooling, mold opening, product taking out and the like. The temperature sensor is placed at a corresponding position in the mold before mold closing, and after the process is completed, the temperature sensor can be integrated with other components formed by plastic, so that the integrated injection molding of the flange joint, the temperature sensor, the first quick-plugging joint and the second quick-plugging joint can be realized.
It can be understood that the temperature sensor is embedded in the pipeline of the first quick-plugging connector or the second quick-plugging connector by integrally forming the temperature sensor, the flange connector, the first quick-plugging connector and the second quick-plugging connector, the whole length of the first quick-plugging connector or the second quick-plugging connector is not occupied, and the volume utilization rate of the single-channel sealing connection device is improved in space.
Preferably, engineering plastics can be used for injection molding.
Engineering plastics are plastics that can be used as engineering materials and to manufacture machine parts instead of metal materials. The engineering plastic has excellent comprehensive performance, high rigidity, small creep, high mechanical strength, high heat resistance and high electric insulating property, may be used in harsh chemical and physical environment for long period and may be used as engineering structure material to replace metal.
Compared with metal materials, the engineering plastics are easier to process, have high production efficiency, can simplify the procedure and save the cost; meanwhile, the battery pack has good dimensional stability and electrical insulation, is suitable for being used as a thermal management system of the battery pack, and can improve the safety of the battery pack due to the good insulation; preferably, the engineering plastic has light weight, high specific strength, outstanding friction reduction and wear resistance, and good performance under different working conditions when the battery pack is used in vehicles or other fields.
Further, the temperature sensor 120 includes a connector connected to a low voltage harness of a management system of the battery pack, which is exposed to the outside of a pipe of the first quick-connect connector 130 or the second quick-connect connector 140 where the temperature sensor 120 is located.
Preferably, the connector in the temperature sensor 120 may employ a multi-pin connector to transmit temperature information to the battery pack management system.
Further, as shown in fig. 2, the mounting surface of the flange joint 110 is further provided with a sealing ring 112, which can seal with another structure when the flange joint 110 is fixedly connected with another flange joint or another structure.
Furthermore, in order to ensure the strength and rigidity of the single-channel sealing connection device formed by integral injection molding and simultaneously not increase the wall thickness of the single-channel sealing connection device, reinforcing ribs can be arranged on each surface of the flange joint 110, so that the deformation of the single-channel sealing connection device can be avoided, and the plastic flowing condition in the injection molding process can be improved by the reinforcing ribs under certain conditions. As shown in fig. 1 or 2, the flange joint may be provided with reinforcing ribs 113 on each surface thereof.
Furthermore, as shown in fig. 1, a limiting structure 150 is disposed on the pipe of the first quick-connect connector 130 and the second quick-connect connector 140, and the limiting structure 150 is used for limiting the insertion depth of the first quick-connect connector 130 or the second quick-connect connector 140 with the mating female connector.
According to another aspect of the utility model, a battery package thermal management system is provided, this battery package thermal management system includes the water cooling system. The water cooling system adopts the single-channel sealing connection device explained in any embodiment to realize the connection between the internal water channel of the water cooling system and the external water pipe.
The previous description is provided to enable any person skilled in the art to practice the various aspects described herein. It is to be understood that the scope of the invention is to be defined by the appended claims and not by the specific constructions and components of the embodiments illustrated above. Those skilled in the art can make various changes and modifications to the embodiments within the spirit and scope of the present invention, and such changes and modifications also fall within the scope of the present invention.
Claims (8)
1. A single-channel sealed connection, comprising:
the temperature sensor is integrated on the first quick connector and used for detecting the temperature of liquid circulating in the first quick connector, and the first quick connector and the second quick connector are respectively used for being mutually inserted and combined with a matching female connector on an external water pipe.
2. The single pass sealed connection of claim 1, wherein the flange joint, the temperature sensor, the first quick-connect coupling, and the second quick-connect coupling are integrally injection molded.
3. The single pass sealed connection of claim 2, wherein the flange joint, the first quick-connect coupling, and the second quick-connect coupling are made of engineering plastic.
4. The single channel sealing connection device of any one of claims 1 to 3, wherein a sealing ring is arranged on the mounting surface of the flange joint.
5. The single channel sealing connection device of any one of claims 1 to 3, wherein a limiting structure is arranged on the first quick connector and the second quick connector to limit the insertion depth of the mating female connector.
6. The single pass sealed connection of claim 2, wherein said flange fitting is provided with reinforcing ribs around its circumference.
7. The single pass sealed connection of claim 1, wherein the connector of the temperature sensor is exposed.
8. A battery pack heat management system comprising a water cooling system, wherein the water cooling system comprises a single-channel sealing connection device according to any one of claims 1-7, and the single-channel sealing connection device is used for connecting the water cooling system with an external water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020173342.4U CN211556077U (en) | 2020-02-14 | 2020-02-14 | Single-channel sealing connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020173342.4U CN211556077U (en) | 2020-02-14 | 2020-02-14 | Single-channel sealing connection device |
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| Publication Number | Publication Date |
|---|---|
| CN211556077U true CN211556077U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020173342.4U Expired - Fee Related CN211556077U (en) | 2020-02-14 | 2020-02-14 | Single-channel sealing connection device |
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| CN (1) | CN211556077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180831A (en) * | 2020-02-14 | 2020-05-19 | 威马智慧出行科技（上海）有限公司 | Single-channel sealing connection device |
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2020
- 2020-02-14 CN CN202020173342.4U patent/CN211556077U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111180831A (en) * | 2020-02-14 | 2020-05-19 | 威马智慧出行科技（上海）有限公司 | Single-channel sealing connection device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 |