CN113060075A - Side impact sensor mounting structure and mounting method thereof - Google Patents
Side impact sensor mounting structure and mounting method thereof Download PDFInfo
- Publication number
- CN113060075A CN113060075A CN202110219256.1A CN202110219256A CN113060075A CN 113060075 A CN113060075 A CN 113060075A CN 202110219256 A CN202110219256 A CN 202110219256A CN 113060075 A CN113060075 A CN 113060075A
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- side impact
- impact sensor
- sensor mounting
- mounting bracket
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Air Bags (AREA)
Abstract
The invention discloses a side impact sensor mounting structure and a mounting method thereof, wherein the mounting structure comprises a side wall outer plate, a B column reinforcing plate, a B column inner plate, a side impact sensor mounting bracket, a side impact sensor, spot welding spots and mounting bolts, the side impact sensor mounting bracket is provided with a side impact sensor mounting surface, the side impact sensor mounting surface is provided with a first side impact sensor mounting hole and a side impact sensor positioning hole, the side impact sensor comprises a side impact sensor positioning pin and a second side impact sensor mounting hole, the mounting bolts are mounted in the side impact sensor mounting hole after the first side impact sensor mounting hole and the second side impact sensor mounting hole are aligned, and projection welding nuts and the mounting bolts are mounted together. According to the invention, the arrangement surface of the side impact sensor mounting bracket is an XY surface, so that the Y direction of the mounting point is connected with the B column reinforcing plate 2, the Y direction structure is more stable, the first-order mode is effectively promoted, the design requirement is met, and the problem that the side impact sensor fails in work is avoided.
Description
The technical field is as follows:
the invention relates to a side impact sensor mounting structure and a mounting method thereof, and belongs to the technical field of automobiles.
Background art:
at present, passenger vehicles are all provided with safety air bag devices, when the vehicle body is collided, the life safety of passengers is protected, whether the safety air bags need to work or not is judged, and then a collision sensor is required to be arranged at the position where the vehicle body is easy to collide to identify the state of the vehicle body.
The current common side impact sensor mounting structure is as follows:
1. a side impact sensor mounting reinforcing plate is designed on the B column inner plate;
2. the side impact sensor mounting reinforcing plate and the B column inner plate are welded into a whole;
3. the side impact sensor is installed on the B column inner plate through a bolt.
A reinforcing plate is installed for a side impact sensor at the inner plate of the B column, and in order to normally operate and work the side impact sensor, the high requirement on the first-order mode of the installation point is at least more than 500 Hz. Considering the first-order mode of the mounting point, X, Y, Z all need satisfy the design requirement in three directions, the X, Z direction is the sheet metal extending direction, the Y direction is the material thickness direction, the Y direction sheet metal size is minimum, and the fixed Y direction first-order mode is minimum, needs the emphasis to strengthen. The general scheme is that the thickness of a metal plate at a mounting point is increased, although the rigidity of the mounting point can be improved to a certain degree, the problems of insufficient rigidity and unstable structure still exist, so that the first-order mode at the mounting point is lower, and the design requirement is not met.
Therefore, there is a need to improve the prior art to overcome the deficiencies of the prior art.
The invention content is as follows:
the invention provides a side impact sensor mounting structure and a mounting method thereof for solving the problems in the prior art, which can achieve a higher first-order mode and meet the design requirements.
The invention adopts the following technical scheme: the utility model provides a side impact sensor mounting structure which characterized in that: the side impact sensor comprises a side wall outer plate, a B column reinforcing plate, a B column inner plate, a side impact sensor mounting bracket, a side impact sensor, spot welding spots and mounting bolts, wherein three surfaces of the side impact sensor mounting bracket except for the side impact sensor are connected with the B column reinforcing plate into a whole through the spot welding spots, the side impact sensor mounting bracket is provided with a side impact sensor mounting surface used for mounting the side impact sensor, the side impact sensor mounting surface is provided with a first side impact sensor mounting hole and a side impact sensor positioning hole, one side of the first side impact sensor mounting hole is provided with a projection welding nut, the side impact sensor comprises a side impact sensor positioning pin arranged in the side impact sensor positioning hole and a second side impact sensor mounting hole aligned with the first side impact sensor mounting hole, and the mounting bolts are mounted in the side impact sensor mounting hole and the second side impact sensor mounting hole after being aligned, the projection welding nut and the mounting bolt are mounted together.
Furthermore, two side impact sensor mounting bracket positioning holes which are spaced apart are formed in the side impact sensor mounting bracket.
Furthermore, a square through hole is formed in the B column inner plate, and 3 boundaries, contacting the side impact sensor mounting surface and the square through hole, are welded through two welding processes.
Furthermore, a trapezoidal hole for reducing weight is formed in the central area of the side impact sensor mounting bracket.
Furthermore, the side impact sensor mounting bracket is provided with error-proof pit dots for preventing projection welding errors of the projection welding nut.
Further, the side impact sensor mounting bracket is designed to be a concave metal plate with four folded sides.
Furthermore, the material of the side wall outer plate is DC06-FD, the material thickness is 0.7mm, the material of the B column reinforcing plate is a thermoformed part Usibor 1500AS150, and the material thickness is 1.5 mm.
Furthermore, the material of the B-pillar inner plate is HC340/590DP, the material thickness is 1.0mm, the material of the side impact sensor mounting bracket is DC01, and the material thickness is 2.0 mm.
The invention also adopts the following technical scheme: a method for mounting a side impact sensor mounting structure comprises the following steps:
(1) positioning a side impact sensor mounting bracket by a welding fixture, and welding the side impact sensor mounting bracket on the B column reinforcing plate (2);
(2) positioning a welding joint of the B-pillar reinforcing plate and the side impact sensor mounting bracket, and then welding the welding joint on the side wall outer plate;
(3) positioning the B-pillar inner plate, and welding the B-pillar inner plate on a welding sub-assembly of the side wall outer plate, the B-pillar reinforcing plate and the side impact sensor mounting bracket;
(4) welding three boundaries of the side impact sensor mounting surface contacting with the square through hole of the B column inner plate in a protection welding way;
(5) inserting the positioning pin on the side impact sensor into the positioning hole of the side impact sensor in the mounting bracket of the side impact sensor, and screwing the positioning pin on the mounting bracket of the side impact sensor through the first mounting hole of the side impact sensor and the second mounting hole of the side impact sensor by using a mounting bolt.
The invention has the following beneficial effects: the arrangement surface of the side impact sensor mounting bracket in the side impact sensor mounting structure is an XY surface, so that the mounting point is connected with the B column reinforcing plate 2 in the Y direction, the Y-direction structure is more stable, the first-order mode is effectively improved, the design requirement is met, and the problem that the side impact sensor fails in work is solved.
Description of the drawings:
FIG. 1 is a schematic view of a side impact sensor mounting structure according to the present invention.
Fig. 2 is a schematic view of a side impact sensor mounting surface.
FIG. 3 is a schematic view of a side impact sensor mounting bracket.
FIG. 4 is a schematic view of a side impact sensor.
FIG. 5 is a diagram showing the criteria for the determination of the test.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings.
The side impact sensor mounting structure comprises a side wall outer plate 1, a B column reinforcing plate 2, a B column inner plate 3, a side impact sensor mounting bracket 4, a side impact sensor 5, spot welding spots 6 and mounting bolts 7, wherein three surfaces of the side impact sensor mounting bracket 4 except for the side impact sensor 5 are connected with the B column reinforcing plate 2 into a whole through the spot welding spots 6. The B-pillar inner plate 3 is provided with a direction through hole 31, the side impact sensor mounting bracket 4 is provided with two side impact sensor mounting bracket positioning holes 41 which are spaced apart from each other, the side impact sensor mounting bracket 4 is provided with a side impact sensor mounting surface 43 for mounting the side impact sensor 5, and the side impact sensor mounting surface 43 is provided with a first side impact sensor mounting hole 45 and a side impact sensor positioning hole 46. A projection nut 42 is provided at one side of the first side impact sensor mounting hole 45 for mounting the side impact sensor 5. A trapezoidal hole 44 is formed in the central region of the side impact sensor mounting bracket 4 for reducing weight. Error-proofing pit dots 47 are provided on the side impact sensor mounting bracket 4 for preventing projection welding errors of the projection welding nuts 42 on the side impact sensor mounting bracket 4. The side impact sensor 5 includes a side impact sensor positioning pin 51 that is mounted in the side impact sensor positioning hole 46 and a second side impact sensor mounting hole 52 that is aligned with the first side impact sensor mounting hole 45. The first side impact sensor mounting hole 45 and the second side impact sensor mounting hole 52 are aligned and the mounting bolt 7 is mounted therein, and the side impact sensor mounting bracket 4 and the side impact sensor 5 are mounted together by the cooperation of the mounting bolt 7 and the projection nut 42.
In the side impact sensor mounting structure, two positioning holes 41 on a side impact sensor mounting bracket 4 are positioned through a clamp, so that three surfaces of the side impact sensor mounting bracket 4 except for the side impact sensor 5 are attached to three surfaces on the inner side of a B-column reinforcing plate 2, and the side impact sensor mounting structure is welded on the B-column reinforcing plate 2 through spot welding spots 6. And then welding the welded part with the side wall outer plate 1, wherein a direction through hole 31 is designed on the B column inner plate 3, so that a side impact sensor mounting surface 43 of the side impact sensor mounting bracket 4 is exposed, and two-protection welding is used for welding 3 boundaries where the side impact sensor mounting surface 43 is contacted with the square through hole 31, so that the welding work is finished. When the assembly is finished, the side impact sensor positioning pin 51 of the side impact sensor 5 is inserted into the side impact sensor positioning hole 46 on the side impact sensor mounting bracket 4, then the second side impact sensor mounting hole 52 on the side impact sensor 5 is aligned with the first side impact sensor mounting hole 45 on the side impact sensor mounting bracket 4, and the side impact sensor mounting hole is screwed on the B-pillar inner plate 3 through the mounting bolt 7, so that the mounting work is finished.
The side impact sensor mounting bracket 4 is designed to be a concave metal plate with four folded sides, is stable in structure and not easy to deform, and is provided with two side impact sensor mounting bracket positioning holes 41 for positioning the position of the side impact sensor mounting bracket 4. A trapezoidal hole 44 is formed in the central area of the side impact sensor mounting bracket 4 and used for reducing weight, and the aim of reducing the weight of the whole vehicle is fulfilled. The side impact sensor mounting surface 43 is a step surface, only the mounting area is reserved, and the rest areas sink, so that a gap of more than 3mm exists between the side impact sensor mounting surface and the B column inner plate 3, and abnormal sound is avoided in the later vehicle driving process.
The invention discloses an installation method of a side impact sensor installation structure, which comprises the following steps:
(1) positioning a side impact sensor mounting bracket 4 by a welding fixture, and welding the side impact sensor mounting bracket 4 on the B column reinforcing plate 2;
(2) positioning a welding joint of the B-pillar reinforcing plate 2 and the side impact sensor mounting bracket 4, and then welding the welding joint on the side wall outer plate 1;
(3) positioning a B-pillar inner plate 3, and welding the B-pillar inner plate 3 on a welding sub-assembly of the side wall outer plate 1, the B-pillar reinforcing plate 2 and the side impact sensor mounting bracket 4;
(4) two soldermask welds three boundaries where the side impact sensor mounting surface 43 contacts the square via hole 31 of the B-pillar inner panel 3;
(5) the side impact sensor upper positioning pin 51 is inserted into the side impact sensor positioning hole 46 in the side impact sensor mounting bracket and screwed to the side impact sensor mounting bracket 4 by the mounting bolt 7 through the first side impact sensor mounting hole 45 and the second side impact sensor mounting hole 52.
According to the structural design, the side wall outer plate 1 is made of DC06-FD, the material thickness is 0.7mm, the B column reinforcing plate 2 is made of a thermoformed part Usibor 1500AS150 and is 1.5mm, the B column inner plate is made of HC340/590DP and is 1.0mm, the side impact sensor mounting bracket 4 is made of DC01, and the material thickness is 2.0 mm. In this state, a vehicle modal test is performed, the sensors are axially mounted on the side impact sensor housing X, Y, Z, the mounting positions are as close to the mounting bolt positions as possible, the force hammer is used for knocking the mounting bolt X, Y, Z in three directions (the force hammer excitation signal is not allowed to have double peaks), the excitation signal of the force hammer and the acceleration response signal of the sensors are collected, and the resonance frequency of the position is obtained after data processing. The test criteria are shown in FIG. 5, where zone I is a good zone; the area II is a qualified area; region III is an unqualified region.
The test results are given in table 1 below:
the arrangement surface of the side impact sensor mounting bracket in the side impact sensor mounting structure is an XY surface, so that the mounting point is connected with the B column reinforcing plate 2 in the Y direction, the Y-direction structure is more stable, the first-order mode is effectively improved, the design requirement is met, and the problem that the side impact sensor fails in work is solved.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (9)
1. The utility model provides a side impact sensor mounting structure which characterized in that: the side impact type sensor comprises a side wall outer plate (1), a B column reinforcing plate (2), a B column inner plate (3), a side impact sensor mounting bracket (4), a side impact sensor (5), spot welding spots (6) and mounting bolts (7), wherein three surfaces of the side impact sensor mounting bracket (4) except for the side impact sensor (5) are connected with the B column reinforcing plate (2) into a whole through the spot welding spots (6), a side impact sensor mounting surface (43) used for mounting the side impact sensor (5) is arranged on the side impact sensor mounting bracket (4), a first side impact sensor mounting hole (45) and a side impact sensor positioning hole (46) are arranged on the side impact sensor mounting surface (43), a projection welding nut (42) is arranged on one side of the first side impact sensor mounting hole (45), and the side impact sensor (5) comprises a side impact sensor positioning pin (51) arranged in the side impact sensor positioning hole (46) and a side impact sensor mounting hole (45) which is opposite to the first side impact sensor mounting hole (45) And the mounting bolt (7) is mounted in the aligned second side impact sensor mounting hole (52), the first side impact sensor mounting hole (45) and the second side impact sensor mounting hole (52), and the projection welding nut (42) and the mounting bolt (7) are mounted together.
2. The side impact sensor mounting structure according to claim 1, wherein: and two side impact sensor mounting bracket positioning holes (41) which are spaced apart are arranged on the side impact sensor mounting bracket (4).
3. The side impact sensor mounting structure according to claim 2, wherein: be equipped with square via hole (31) on B post inner panel (3) 3 borders that side impact sensor installation face (43) and square via hole (31) contact are welded with two guarantors.
4. The side impact sensor mounting structure according to claim 3, wherein: and a trapezoidal hole (44) for reducing weight is formed in the central area of the side impact sensor mounting bracket (4).
5. The side impact sensor mounting structure according to claim 4, wherein: and a mistake-proofing pit round dot (47) for preventing projection welding errors of the projection welding nut (42) is arranged on the side impact sensor mounting bracket (4).
6. The side impact sensor mounting structure according to claim 5, wherein: the side impact sensor mounting bracket (4) is designed into a concave metal plate with four folded sides.
7. The side impact sensor mounting structure according to claim 6, wherein: the side wall outer plate (1) is made of DC06-FD, the material thickness is 0.7mm, the B column reinforcing plate (2) is made of a thermoformed part Usibor 1500AS150, and the material thickness is 1.5 mm.
8. The side impact sensor mounting structure according to claim 7, wherein: the B-pillar inner plate (3) is made of HC340/590DP and is 1.0mm in material thickness, the side impact sensor mounting bracket (4) is made of DC01 and is 2.0mm in material thickness.
9. A mounting method of a side impact sensor mounting structure is characterized in that: the method comprises the following steps:
(1) positioning a side impact sensor mounting bracket (4) by a welding fixture, and welding the side impact sensor mounting bracket (4) on the B-column reinforcing plate (2);
(2) positioning welding joint parts of the B-pillar reinforcing plate (2) and the side impact sensor mounting bracket (4), and then welding the welding joint parts on the side wall outer plate (1);
(3) positioning a B-pillar inner plate (3), and welding the B-pillar inner plate (3) on a welding sub-assembly of the side wall outer plate (1), the B-pillar reinforcing plate (2) and the side impact sensor mounting bracket (4);
(4) two weld-protect weld side impact sensor mounting surfaces (43) and three boundaries of square through holes (31) of the B-pillar inner plate (3) in contact;
(5) inserting a positioning pin (51) on the side impact sensor into a positioning hole (46) of the side impact sensor in the side impact sensor mounting bracket, and screwing the side impact sensor mounting bracket (4) with a mounting bolt (7) through a first side impact sensor mounting hole (45) and a second side impact sensor mounting hole (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219256.1A CN113060075A (en) | 2021-02-26 | 2021-02-26 | Side impact sensor mounting structure and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219256.1A CN113060075A (en) | 2021-02-26 | 2021-02-26 | Side impact sensor mounting structure and mounting method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113060075A true CN113060075A (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110219256.1A Pending CN113060075A (en) | 2021-02-26 | 2021-02-26 | Side impact sensor mounting structure and mounting method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09123869A (en) * | 1995-11-01 | 1997-05-13 | Toyota Motor Corp | Collision sensor mounting structure for lateral collision airbag device |
| JP2001191893A (en) * | 2000-01-06 | 2001-07-17 | Toyota Motor Corp | Fitting structure of air bag sensor for side impact |
| CN105835786A (en) * | 2016-04-07 | 2016-08-10 | 重庆长安汽车股份有限公司 | Mounting bracket of automobile collision sensor |
| CN205737276U (en) * | 2016-06-22 | 2016-11-30 | 重庆长安汽车股份有限公司 | A kind of mounting bracket of automobile sensor |
| CN208429048U (en) * | 2018-05-04 | 2019-01-25 | 江苏敏安电动汽车有限公司 | Bump sensor mounting bracket before frame-type |
| CN210390976U (en) * | 2019-09-04 | 2020-04-24 | 重庆宇杰汽车设计有限公司 | Automobile collision sensor mounting bracket |
| CN210390975U (en) * | 2019-09-04 | 2020-04-24 | 重庆宇杰汽车设计有限公司 | Automobile B-pillar collision sensor mounting bracket |
-
2021
- 2021-02-26 CN CN202110219256.1A patent/CN113060075A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09123869A (en) * | 1995-11-01 | 1997-05-13 | Toyota Motor Corp | Collision sensor mounting structure for lateral collision airbag device |
| JP2001191893A (en) * | 2000-01-06 | 2001-07-17 | Toyota Motor Corp | Fitting structure of air bag sensor for side impact |
| CN105835786A (en) * | 2016-04-07 | 2016-08-10 | 重庆长安汽车股份有限公司 | Mounting bracket of automobile collision sensor |
| CN205737276U (en) * | 2016-06-22 | 2016-11-30 | 重庆长安汽车股份有限公司 | A kind of mounting bracket of automobile sensor |
| CN208429048U (en) * | 2018-05-04 | 2019-01-25 | 江苏敏安电动汽车有限公司 | Bump sensor mounting bracket before frame-type |
| CN210390976U (en) * | 2019-09-04 | 2020-04-24 | 重庆宇杰汽车设计有限公司 | Automobile collision sensor mounting bracket |
| CN210390975U (en) * | 2019-09-04 | 2020-04-24 | 重庆宇杰汽车设计有限公司 | Automobile B-pillar collision sensor mounting bracket |
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