CN210625699U - Vehicle mounted sensor PCBA watertight fittings and vehicle mounted sensor - Google Patents
Vehicle mounted sensor PCBA watertight fittings and vehicle mounted sensor Download PDFInfo
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- CN210625699U CN210625699U CN201921532907.7U CN201921532907U CN210625699U CN 210625699 U CN210625699 U CN 210625699U CN 201921532907 U CN201921532907 U CN 201921532907U CN 210625699 U CN210625699 U CN 210625699U
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- 238000000034 method Methods 0.000 claims abstract description 17
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- 238000013461 design Methods 0.000 description 5
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
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Abstract
The utility model provides a vehicle mounted sensor PCBA watertight fittings and vehicle mounted sensor, this vehicle mounted sensor PCBA watertight fittings includes: the plastic shell is provided with an ultrasonic grooving structure; the plastic rear cover is provided with an ultrasonic boss structure corresponding to the ultrasonic slotting structure; the PCBA board is arranged in a containing cavity formed by the plastic shell; and the lid is installed on the plastic casing so that lid and plastic casing assembly form the closed chamber of accomodating behind the plastic through the unsmooth cooperation of ultrasonic wave fluting structure and ultrasonic wave boss structure behind the plastic, and the PCBA board holds and accomodates the intracavity at this closure, and ultrasonic wave boss structure passes through ultrasonic welding technique sealing connection with ultrasonic wave fluting structure. The utility model provides an on-vehicle sensor PCBA watertight fittings simple structure and safe and reliable can play fine waterproof, dustproof and dampproofing effect, simultaneously the utility model provides a scheme simple process need not longer curing time, and production cycle is short, and the cost is also lower.
Description
Technical Field
The utility model relates to an on-vehicle sensor technical field especially relates to an on-vehicle sensor PCBA watertight fittings and on-vehicle sensor.
Background
With the high-speed development of automobile automation driving, more and more vehicle-mounted sensors are used in large quantity to improve driving safety, however, internal electronic equipment in the structural design of the traditional vehicle-mounted sensor, such as a PCBA (printed circuit board assembly) in the vehicle-mounted sensor, is difficult to achieve the sealing and waterproof effects. However, for sensors in the field of automobiles, during production, installation and debugging, some problems of extreme sensitivity to factors such as water and dust are often involved, and such sensors may be interfered by factors such as water and dust due to long-term vibration and high-low temperature severe environment in an automobile, so that the service life of the sensors is shortened, and even a large precision error is seriously caused to influence the driving safety and some important functional indexes of the automobile.
At present, the mode that adds the sealing washer, irritates waterproof resin or spout waterproof paint on PCBA board is adopted in traditional waterproof structural design, as above the waterproof technology of PCBA too complicated, waterproof reliability is poor, and waterproof resin and waterproof paint generally need longer curing time moreover for production cycle is long and the cost is very high.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made in order to provide a vehicle sensor PCBA waterproofing device that overcomes or at least partially solves the above problems.
The foundation the utility model discloses an aspect provides an on-vehicle sensor PCBA watertight fittings, include:
the plastic shell is provided with an ultrasonic grooving structure;
the plastic rear cover is provided with an ultrasonic boss structure corresponding to the ultrasonic slotting structure;
the PCBA board is arranged in a containing cavity formed by the plastic shell; and is
The lid passes through behind the plastic ultrasonic wave fluting structure with the unsmooth cooperation of ultrasonic wave boss structure install in on the plastic casing so that the lid behind the plastic with the plastic casing assembly forms accomodates the chamber, the PCBA board holds accomodate the intracavity, just ultrasonic wave boss structure with ultrasonic wave fluting structure passes through ultrasonic bonding technique sealing connection.
Optionally, the bottom of plastic casing is provided with a plurality of PIN needles.
Optionally, the plastic housing and the PIN are formed by integral insert injection molding.
Optionally, a plurality of positioning structures are arranged at a plurality of edge end face positions of the PCBA board;
the plastic shell is also provided with a plurality of guiding and positioning structures which correspond to the positioning structures one by one; and is
The PCBA board passes through location structure with the direction location structure is installed in the plastic casing.
Optionally, the positioning structure is a notch at the edge end face of the PCBA plate, and the guiding and positioning structure is a rib plate arranged on the inner wall of the plastic shell; and is
The PCBA board is installed in the plastic shell through the concave-convex matching of the notch and the rib plate corresponding to the notch.
Optionally, a protruding structure is further disposed on one side of the plastic rear cover facing the plastic shell; and is
The plastic back cover is through protruding structure to the plastic casing direction compresses tightly PCBA board.
Optionally, the protrusion structure is disposed at a middle portion of the plastic rear cover.
Optionally, through holes respectively corresponding to the PIN PINs are further formed in the PCBA board, and a plurality of stop protrusions are further formed in the plastic shell; and is
Each PIN needle is in interference fit with the corresponding through hole and abuts against the stop bulge.
Optionally, the stop protrusion is a protrusion structure of the bottom of the plastic casing facing the plastic rear cover.
According to the utility model discloses a another aspect still provides a vehicle-mounted sensor, including the vehicle-mounted sensor PCBA watertight fittings of any one of the aforesaid.
The embodiment of the utility model provides a vehicle-mounted sensor PCBA watertight fittings, including the plastic casing, lid and PCBA board behind the plastic, wherein be provided with ultrasonic wave open slot structure on the plastic casing, the lid corresponds ultrasonic wave open slot structure position behind the plastic and is provided with ultrasonic wave boss structure, the PCBA board sets up in the intracavity of accomodating that the plastic casing formed, the lid is installed on the plastic casing so that lid and plastic casing assembly form accomodate the chamber behind the plastic through the unsmooth cooperation of ultrasonic wave open slot structure and ultrasonic wave boss structure behind the plastic, the PCBA board holds and accomodates the intracavity in this, and ultrasonic wave boss structure passes through ultrasonic welding technique sealing connection with ultrasonic wave open slot structure. The embodiment of the utility model provides an in, the ultrasonic wave boss structure of covering behind the plastic and the ultrasonic wave fluting structure on the plastic casing can fuse into an organic whole through ultrasonic welding technique, make behind the plastic lid and the plastic casing assemble integrative formation confined space to live PCBA board is sealed completely. Based on the technical scheme that the embodiment of the utility model provides, simple structure and safe and reliable can play fine waterproof, dustproof and dampproofing effect, for traditional add the sealing washer, irritate waterproof resin or spout the waterproof structural design of waterproof paint at the PCBA board, the embodiment of the utility model provides a scheme simple process need not longer curing time, and production cycle is short, and the cost is also lower.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 shows a schematic structural diagram of a waterproof device of a vehicle-mounted sensor PCBA according to an embodiment of the present invention;
FIG. 2 shows a schematic cross-sectional view taken along section line A-A in FIG. 1;
fig. 3 is a schematic view illustrating an exploded structure of a waterproof device for a vehicle-mounted sensor PCBA according to an embodiment of the present invention;
fig. 4 shows an exploded view of the waterproof device for a PCBA of a vehicle-mounted sensor according to an embodiment of the present invention from another perspective.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can 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 invention to those skilled in the art.
It should be noted that the technical features of the embodiments and the alternative embodiments of the present invention can be combined with each other without conflict.
The Printed Circuit Board Assembly (PCBA) may be a PCB Assembly Board, and an empty Board of the PCB may be subjected to Surface Mount Technology (SMT) upper part and a dual inline-pin package (DIP) whole process, based on which the PCB may be hereinafter referred to as a PCB Assembly Board.
The embodiment of the utility model provides a vehicle-mounted sensor PCBA watertight fittings, figure 1 shows the basis the utility model discloses a vehicle-mounted sensor PCBA watertight fittings's of embodiment structural schematic diagram, figure 2 shows the schematic cross-sectional view of cutting line A-A intercepting in following figure 1, figure 3 shows the basis the utility model discloses a decomposition structure schematic diagram under vehicle-mounted sensor PCBA watertight fittings visual angle of embodiment, figure 4 shows the basis the utility model discloses a vehicle-mounted sensor PCBA watertight fittings under another visual angle of embodiment decomposes the structural schematic diagram.
Referring to fig. 1-4, a waterproof device 100 for a vehicle-mounted sensor PCBA includes a plastic housing 110, a plastic rear cover 120, and a PCBA board 130, wherein an ultrasonic slotted structure 111 is disposed on the plastic housing 110, an ultrasonic boss structure 121 is disposed on the plastic rear cover 120 corresponding to the ultrasonic slotted structure, and the PCBA board 130 is disposed in a receiving cavity formed by the plastic housing 110. In this embodiment, the plastic rear cover 120 is mounted on the plastic housing 110 through the concave-convex fit of the ultrasonic groove structure 111 and the ultrasonic boss structure 121, so that the plastic housing 110 and the plastic rear cover 120 are assembled to form a receiving cavity, the PCBA board 130 is received in the receiving cavity, and the ultrasonic boss structure 121 and the ultrasonic groove structure 111 are hermetically connected through an ultrasonic welding technique, so that the receiving cavity forms a sealed space to completely seal the PCBA board 130 in the sealed space.
In the embodiment of the present invention, the ultrasonic wave boss structure 121 on the plastic rear cover 120 and the ultrasonic wave slot structure 111 on the plastic housing 110 can be integrated by ultrasonic welding technology, so that the plastic rear cover 120 and the plastic housing 110 are assembled to form an integrated sealing space, thereby completely sealing the PCBA board 130. Based on the technical scheme provided by the utility model, simple structure and safe and reliable can play fine waterproof, dustproof and dampproofing effect, for traditional add the sealing washer, irritate waterproof resin or spout waterproof paint's waterproof construction design at PCBA board, the embodiment of the utility model provides a scheme simple process need not longer curing time, and production cycle is short, and the cost is also lower.
With continued reference to fig. 1-4, in one embodiment of the present invention, the bottom of the plastic housing 110 is provided with a plurality of PIN PINs 112, and the plurality of PIN PINs 112 may pass through the bottom of the plastic housing 110 from the inside of the plastic housing 110 and extend into an external connector (e.g., connector 140 schematically shown in fig. 1-4).
The PIN is a metallic substance used to complete the transmission of probing signals in connectors, also known as connectors, plugs and sockets.
The plastic housing (plastic material) 110 and the PIN (metal) 112 are made of different materials, and the connection relationship therebetween can be realized in various ways. Preferably, the plastic housing 110 and PIN 112 are formed by integral insert injection molding.
Injection molding is a process in which plastic melted by an injection machine enters a mold under the reasoning action of a plunger or a screw, and a product is obtained after cooling.
To embedded injection moulding of integration, in an optional embodiment the utility model discloses a can add the plastics that form plastic casing 110 at first with the heat plastify for fused plastics to the metal material processing that will form PIN needle 112 is tiny powder and evenly mixes together with organic binder, through high temperature heating plastify, then pours into same die cavity with injection moulding equipment with fused plastics and plasticized metal material into, and the resolidification shaping realizes the embedded injection moulding of plastic casing 110 and PIN needle 112 integration.
In another optional embodiment of the present invention, the PIN 112 may be first prepared by using a process method such as a powder metallurgy technique or a powder metallurgy injection molding process, and then the plastic housing 110 and the PIN 112 may be integrally molded by using an insert injection molding process with the prepared PIN 112 as an insert.
It should be noted that the PIN 112 may be a cylinder, a rectangular parallelepiped, a cone, or a combination of multiple basic geometric bodies, which is not limited in this disclosure.
Referring to fig. 3 and 4, in an embodiment of the present invention, a plurality of edge positions of the PCBA board 130 are provided with a plurality of positioning structures 131, the plastic housing 110 is further provided with a plurality of guiding and positioning structures 113, and the guiding and positioning structures 113 and the positioning structures 131 are in one-to-one correspondence. In this embodiment, the PCBA board 130 is mounted on the plastic housing 110 via the positioning structure 131 and the guiding and positioning structure 113. Based on the utility model provides a scheme can tentatively be fixed in the plastic casing with the PCBA board, helps the fastening connection of PCBA board and plastic casing.
With continued reference to fig. 3 and 4, there are 3 positioning structures 131 respectively disposed on the edges of three sides of the PCBA board, and there are 3 guiding and positioning structures 113 respectively disposed on the 3 sidewalls of the plastic housing 110 and corresponding to the positions of the 3 positioning structures 131.
During concrete implementation, location structure 131 can be the opening of the marginal end face position of PCBA board, and direction location structure 113 can be for setting up the gusset on plastic casing 110 inner wall, and PCBA board 130 passes through the unsmooth cooperation of this opening and the gusset that corresponds, and PCBA board 130 is established on the plastic gusset through its opening card, makes the PCBA board install in plastic casing 110.
The gap is an opening structure at the edge of the PCBA board 130, and can be completed by a cutting pin. The shape of the opening can be various, preferably an open rectangle, correspondingly, the rib plate can be a right trapezoid, the straight waist of the rib plate of the right trapezoid is arranged close to the bottom of the plastic shell 110, the lower bottom of the rib plate of the right trapezoid is arranged in contact with the inner wall of the plastic shell 110, and the lower bottom of the rib plate of the right trapezoid is clamped with the opening through interference fit. Optionally, the opening can also be other shapes such as open trapezoid, the gusset can also be rectangle or other irregular shapes, the utility model discloses do not do specific restriction to this yet.
Further, in order to strengthen the fixing of the PCBA board, make the cover can assemble an organic whole behind PCBA board, plastic casing and the plastic, in an embodiment of the utility model, as shown in fig. 2 and 4, cover boss structure 122 after the plastic still is provided with the plastic on one side of cover 120 towards plastic casing 110 direction behind the plastic, cover the protruding structure that one side of orientation plastic casing 110 direction stretches out behind the plastic for the plastic 122. And the plastic rear cover 120 presses the PCBA board 130 clamped on the rib plate of the plastic shell 110 towards the plastic shell 110 through the plastic rear cover boss structure 122. Thereby firmly fixing the PCBA board 130 in the cavity formed by the assembly of the plastic housing 110 and the plastic rear cover 120.
Preferably, the number of the plastic rear cover protruding structures 122 is 1, and in this case, the plastic rear cover protruding structures 122 are disposed in the middle portion of the plastic rear cover 120 in order to make the force applied to the PCBA board 130 uniform. Therefore, when the plastic rear cover 120 presses the PCBA board 130 towards the plastic housing 110 through the plastic rear cover boss 122, the PCBA board 130 is prevented from being stressed unevenly, so that one end of the PCBA board 130 is tilted, the PCBA board 130 is not firmly fixed, the PCBA board 130 is easily damaged, especially, various components (not shown in the figure) arranged on the PCBA board 130 are worn, and the service life of the components is shortened.
The components include, for example, a plurality of integrated circuit chips, capacitors, resistors, and the like. The component is an existing component and is not limited herein.
It should be noted that the number of the plastic rear cover boss structures 122 may also be 2, 3, or 4, and the like, and may be preset according to actual requirements.
Preferably, the plastic rear cover boss 122 is cylindrical, but may have other structures such as a rectangular parallelepiped and a circular truncated cone.
Referring to fig. 3 and 4, the PCBA board 130 is further provided with through holes 132 corresponding to the PIN PINs 112, the plastic housing 110 is further provided with at least one stop protrusion 114, and each PIN 112 is in interference fit with the corresponding through hole 132 and abuts against the stop protrusion 114. In this embodiment, through the interference fit of through-hole 132 with PIN needle 112, stability PIN needle 112 that can be fine, can restrict PCBA board 130 through ending a protruding 114 degree of depth of installing in plastic casing 110 simultaneously, avoid PCBA board 130 and plastic casing 110 direct contact to the components and parts that set up on the protection PCBA board 130.
With continued reference to fig. 3 and 4, the stop protrusion 114 may be a protrusion structure protruding from the bottom of the plastic housing 110 toward one side of the plastic rear cover 120, and preferably, the protrusion structure is a cylinder. Of course, the protruding structure may also be a circular truncated cone, a cube, or a prism (such as a rhomboid prism or a quadrangular prism), and the present invention does not specifically limit the shape of the protruding structure.
In the above embodiment, the number of the PIN PINs 112 is preferably 5, and correspondingly, the number of the through holes 132 is also 5, wherein two PIN PINs 112 are disposed on the side of the bottom of the plastic housing 110 facing the PCBA board, the other three PIN PINs 112 are disposed on the side of the bottom of the plastic housing 110 facing the PCBA board and located at positions of the bottom of the plastic housing 110 away from the two PIN PINs 112, and extend from the side of the bottom of the plastic housing 110 facing the PCBA board through the bottom of the plastic housing 110 to the side of the bottom of the plastic housing 110 away from the PCBA board, at this time, as can be seen from fig. 3, the stop protrusions 114 are 2 identical cylindrical structures, one stop protrusion 114 is disposed near the two PIN PINs 112, and the other stop protrusion 114 is disposed near the three PIN PINs 112.
Referring to fig. 1, 2, and 4, the vehicle-mounted sensor PCBA waterproofing device 100 may further include a mounting portion 150 disposed outside the plastic housing 110, and the mounting portion 150 may further include a mounting through hole 151. The vehicle-mounted sensor PCBA waterproof device can be mounted on a vehicle using the mounting portion 150 and the mounting portion through hole 151.
The mounting portion 150 may further include a mounting notch 152, the connector 140 further includes a mounting buckle 141 corresponding to the mounting notch 152, and the connector 140 is clamped on the mounting notch 152 by the mounting buckle 141, so that the connector 140 and the mounting portion 150 are fixedly mounted.
According to the utility model discloses in another aspect, the embodiment of the utility model provides a still provides a vehicle-mounted sensor, including the vehicle-mounted sensor PCBA watertight fittings that any above-mentioned embodiment provided.
The embodiment of the utility model provides a vehicle-mounted sensor PCBA watertight fittings, including the plastic casing, lid and PCBA board behind the plastic, wherein be provided with ultrasonic wave open slot structure on the plastic casing, the lid corresponds ultrasonic wave open slot structure position behind the plastic and is provided with ultrasonic wave boss structure, the PCBA board sets up in the intracavity of accomodating that the plastic casing formed, the lid is installed on the plastic casing so that lid and plastic casing assembly form accomodate the chamber behind the plastic through the unsmooth cooperation of ultrasonic wave open slot structure and ultrasonic wave boss structure behind the plastic, the PCBA board holds and accomodates the intracavity in this, and ultrasonic wave boss structure passes through ultrasonic welding technique sealing connection with ultrasonic wave open slot structure. The embodiment of the utility model provides an in, the ultrasonic wave boss structure of covering behind the plastic and the ultrasonic wave fluting structure on the plastic casing can fuse into an organic whole through ultrasonic welding technique, make behind the plastic lid and the plastic casing assemble integrative formation confined space to live PCBA board is sealed completely. Based on the embodiment of the utility model provides an on-vehicle sensor PCBA watertight fittings, simple structure and safe and reliable can seal the PCBA board completely to can play fine waterproof, dustproof and dampproofing effect, for traditional add the sealing washer, irritate waterproof resin or spout the waterproof construction design of waterproof paint at the PCBA board, the embodiment of the utility model provides a technical scheme simple process need not longer curing time, and production cycle is short, and the cost is also lower.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified or some or all of the technical features can be equivalently replaced within the spirit and principles of the present invention; such modifications and substitutions do not depart from the scope of the present invention.
Claims (10)
1. The utility model provides a vehicle-mounted sensor PCBA watertight fittings which characterized in that includes:
the plastic shell is provided with an ultrasonic grooving structure;
the plastic rear cover is provided with an ultrasonic boss structure corresponding to the ultrasonic slotting structure;
the PCBA board is arranged in a containing cavity formed by the plastic shell; and is
The lid passes through behind the plastic ultrasonic wave fluting structure with the unsmooth cooperation of ultrasonic wave boss structure install in on the plastic casing so that the lid behind the plastic with the plastic casing assembly forms accomodates the chamber, the PCBA board holds accomodate the intracavity, just ultrasonic wave boss structure with ultrasonic wave fluting structure passes through ultrasonic bonding technique sealing connection.
2. The vehicle sensor PCBA waterproof device according to claim 1, wherein,
the bottom of plastic casing is provided with a plurality of PIN needles.
3. The vehicle sensor PCBA waterproof device according to claim 2, wherein,
the plastic shell and the PIN needle are molded through integrated embedded injection.
4. The vehicle sensor PCBA waterproof device according to claim 1, wherein,
a plurality of positioning structures are arranged at a plurality of edge end face positions of the PCBA;
the plastic shell is also provided with a plurality of guiding and positioning structures which correspond to the positioning structures one by one; and is
The PCBA board passes through location structure with the direction location structure is installed in the plastic casing.
5. The vehicle sensor PCBA waterproof device according to claim 4, wherein,
the positioning structure is a notch at the edge end face position of the PCBA board, and the guiding and positioning structure is a rib plate arranged on the inner wall of the plastic shell; and is
The PCBA board is installed in the plastic shell through the concave-convex matching of the notch and the rib plate corresponding to the notch.
6. The vehicle sensor PCBA waterproof device according to claim 1, wherein,
a convex structure is further arranged on one side of the plastic rear cover facing the plastic shell; and is
The plastic back cover is through protruding structure to the plastic casing direction compresses tightly PCBA board.
7. The vehicle sensor PCBA waterproof device according to claim 6, wherein,
the protruding structure is arranged in the middle of the plastic rear cover.
8. The vehicle sensor PCBA waterproof device according to claim 2, wherein,
the PCBA board is also provided with through holes corresponding to the PIN needles, and the plastic shell is also provided with a plurality of stop bulges; and is
Each PIN needle is in interference fit with the corresponding through hole and abuts against the stop bulge.
9. The vehicle sensor PCBA waterproof device according to claim 8, wherein,
the stop protrusion is a protrusion structure of the bottom of the plastic shell facing the plastic rear cover.
10. A vehicle sensor comprising the PCBA water-proof device of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921532907.7U CN210625699U (en) | 2019-09-16 | 2019-09-16 | Vehicle mounted sensor PCBA watertight fittings and vehicle mounted sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921532907.7U CN210625699U (en) | 2019-09-16 | 2019-09-16 | Vehicle mounted sensor PCBA watertight fittings and vehicle mounted sensor |
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| CN210625699U true CN210625699U (en) | 2020-05-26 |
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| CN201921532907.7U Active CN210625699U (en) | 2019-09-16 | 2019-09-16 | Vehicle mounted sensor PCBA watertight fittings and vehicle mounted sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487310A (en) * | 2019-09-16 | 2019-11-22 | 湖北亿咖通科技有限公司 | A kind of onboard sensor PCBA water-tight device and onboard sensor |
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- 2019-09-16 CN CN201921532907.7U patent/CN210625699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487310A (en) * | 2019-09-16 | 2019-11-22 | 湖北亿咖通科技有限公司 | A kind of onboard sensor PCBA water-tight device and onboard sensor |
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Effective date of registration: 20220322 Address after: 430051 No. b1336, chuanggu startup area, taizihu cultural Digital Creative Industry Park, No. 18, Shenlong Avenue, Wuhan Economic and Technological Development Zone, Wuhan, Hubei Province Patentee after: Yikatong (Hubei) Technology Co.,Ltd. Address before: No.c101, chuanggu start up area, taizihu cultural Digital Industrial Park, No.18 Shenlong Avenue, Wuhan Economic Development Zone, Hubei Province Patentee before: HUBEI ECARX TECHNOLOGY Co.,Ltd. |