Integrated kicking sensor

Abstract

The utility model relates to the technical field of automobile sensors, in particular to an integrated kicking sensor which comprises a shell, a PIN row, an induction wire harness and a PCBA board, the PIN row is fixedly arranged in the shell and electrically connected with the induction wire harness and the PCBA board, and the induction wire harness penetrates through the side wall of the shell and extends to the outside. According to the kicking sensor, the technical effects that the integration degree and reliability of the kicking sensor are improved, the connection mode of the induction wire harness and the shell is simplified, and the production process and the production cost are reduced are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile sensor, in particular to an integrated kick sensor. BACKGROUND

[0002] The kick sensor is widely used in the field of modern industrial automation, especially in the field of automobile manufacturing, smart home and the like. In order to meet market demand and improve user experience, various types of kick sensors are emerging, which greatly improve the intelligence and convenience of equipment.

[0003] Most of the existing kick sensors adopt the form of connecting plug-in electrodes, however, the plug-in often carries pressure terminal, waterproof plug and other materials, resulting in relatively complex and time-consuming assembly process. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to overcome the above technical problems, and provide an integrated kick sensor.

[0005] An integrated kick sensor comprises:

[0006] A shell;

[0007] A PIN pin row is fixedly arranged in the shell and extends outside the shell through the side wall of the shell;

[0008] An induction wire harness is electrically connected with the PIN pin row, and

[0009] A PCBA board is arranged in the shell, and the pins of the PCBA board are electrically connected with the PIN pin row.

[0010] By adopting the above scheme, the induction wire harness and the shell are not assembled by plug-in, the number of parts is reduced, the production time is reduced, and the production efficiency is improved.

[0011] In one of the embodiments, the induction wire harness is welded or crimped with the PIN pin row.

[0012] By adopting the above scheme, the stable connection of the induction wire harness and the PIN pin row is realized, and the signal connection is stable and reliable.

[0013] In one of the embodiments, the integrated kick sensor further comprises a plastic-coated block arranged in the shell, and the plastic-coated block fixes the PIN pin row.

[0014] By adopting the above scheme, the plastic-coated block protects the PIN pin row and fixes the shape of the PIN pin row, so that the PIN pin row is prevented from being deformed and affecting the signal transmission.

[0015] In one of the embodiments, the plastic-encased block comprises a shaping plate and a connecting plate, the shaping plate fixes each PIN needle row, and the connecting plate connects two adjacent shaping plates.

[0016] By using the above scheme, the shaping plate fixes the PIN needle row, the connecting plate limits the shaping plate, prevents the shaping plate from deforming, and the plastic-encased block composed of the shaping plate and the connecting plate reduces the consumption materials.

[0017] In one of the embodiments, the PIN needle row comprises two groups, the two groups of PIN needle rows are arranged at intervals, the PIN needle row is L-shaped, the first end of the first group of PIN needle rows is electrically connected with the sensing wire harness, the second end of the first group of PIN needle rows is electrically connected with the PCBA board, the first end of the second group of PIN needle rows is electrically connected with the PCBA board, and the second end of the second group of PIN needle rows is externally connected with the vehicle body.

[0018] By using the above scheme, the first group of PIN needle rows is connected with the sensing wire harness to realize the sensing function, the second group of PIN needle rows is externally connected with the vehicle body to realize the functions of power connection, grounding, and communication.

[0019] In one of the embodiments, the shell comprises a bottom shell and a cover plate, and the bottom shell and the cover plate are detachably connected.

[0020] By using the above scheme, the sealing property of the integrated kick sensor is ensured.

[0021] In one of the embodiments, a joint rib is arranged on the connecting surface of the shell and the cover plate, the joint rib abuts against the cover plate, and when the bottom shell and the cover plate are welded, the joint rib can be the welding position.

[0022] By using the above scheme, the bottom shell and the cover plate are tightly spliced, the joint rib can be used as a laser welding area when the shell and the cover plate are welded, the integrity of the edge of the shell is prevented from being damaged by laser welding, and the welding position of the bottom shell and the cover plate is ensured to be beautiful.

[0023] In one of the embodiments, lugs are arranged on both sides of the bottom shell, and notches matched with the lugs are arranged on both sides of the cover plate.

[0024] By using the above scheme, the lugs and the notches are matched to form an error-proof structure, and it is ensured that the components can be aligned to prevent assembly errors during assembly.

[0025] In one of the embodiments, reinforcing ribs and positioning pins are arranged inside the bottom shell, the PCBA board is arranged on the reinforcing ribs, limit holes are arranged on the PCBA board and matched with the positioning pins, a plurality of support columns are arranged on the opposite surfaces of the cover plate and the bottom shell, and the support columns abut against the PCBA board.

[0026] Through the above scheme, the PCBA board is stably fixed in the shell.

[0027] In one of the embodiments, the sensing wire harness end is fixed by glue with a wire sleeve, and the wire sleeve wraps the sensing wire harness end.

[0028] Through the above scheme, the sensing wire harness is prevented from being damaged and corroded.

[0029] In summary, the present application has at least one of the following beneficial technical effects:

[0030] 1. By directly connecting the PIN pin array with the sensing wire harness, the PIN pin array and the sensing wire harness are fixed by the shell, so that the sensing wire harness is directly connected with the shell without assembling the sensing wire harness and the shell together through the connector, the number of parts is reduced, the production time is reduced, and the production efficiency is improved.

[0031] 2. By arranging the plastic wrapping block in the shell, the shape of the PIN pin array is fixed, the deformation of the PIN pin array is prevented, and the transmission of the signal is affected, at the same time, the plastic wrapping block also plays a role of reinforcing rib for the shell, preventing the shell from deforming in the connection area of the PIN pin array and the sensing wire harness, and increasing the stability of the overall structure of the integrated prosthetic sensor.

[0032] 3. By gluing and fixing the wire sleeve at the end of the sensing wire harness, the sensing wire harness is prevented from being damaged and corroded, and the process form of low-pressure injection molding is replaced by the gluing connection, and the production process flow is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 is a schematic diagram of an integrated kick sensor structure provided by the first embodiment of the present application.

[0034] Figure 2 is a front exploded view of an integrated kick sensor provided by the first embodiment of the present application.

[0035] Figure 3 is a bottom exploded view of an integrated kick sensor provided by the first embodiment of the present application.

[0036] Figure 4 is a schematic diagram of a plastic wrapping block and a PIN pin array structure.

[0037] Reference signs: 1, shell; 11, bottom shell; 111, joint rib; 112, lug; 113, reinforcing rib; 114, positioning pin; 12, cover plate; 121, notch; 122, support column; 2, PIN pin array; 3, sensing wire harness; 4, PCBA board; 5, plastic wrapping block; 51, plastic shaping plate; 52, connecting plate; 6, wire sleeve. DETAILED DESCRIPTION

[0038] Therefore, it is necessary to provide an integrated kick sensor without using plug-in connection of the sensing harness 3.

[0039] Please refer to Figure 1 , Figure 1 The structure diagram of an integrated kick sensor provided for the first embodiment of the present application comprises a shell 1, a PIN pin array 2, a sensing harness 3 and a PCBA board 4.

[0040] The shell 1 is made of plastic material, comprising a bottom shell 11 and a cover plate 12, and the bottom shell 11 and the cover plate 12 can be detachably connected through threaded connection or through the way of clamping pieces. The two sides of the bottom shell 11 are provided with lugs 112, and a threaded hole can be formed in the middle of the lugs 112. The integrated kick sensor can be fixed in the vehicle through the threaded hole on the lugs 112 by bolts. The two sides of the cover plate 12 are provided with notches 121 matched with the shape of the lugs 112. The notches 121 on the cover plate 12 and the lugs 112 on the bottom shell 11 can form an assembly mistake-proof structure. When assembling, the assembler can judge whether the cover plate 12 is assembled reversely through the relative position relationship between the notches 121 on the cover plate 12 and the lugs 112.

[0041] Please refer to Figure 2 , Figure 2 The front exploded view of an integrated kick sensor provided for the first embodiment of the present application, in the embodiment, the contact surface of the bottom shell 11 and the cover plate 12 is provided with a ring of joint ribs 111, and the bottom shell 11 and the cover plate 12 are welded together at the joint rib 111 position by using laser welding, so as to seal the internal structure of the integrated kick sensor. The joint rib 111 as the welding point can prevent the laser welding from damaging the integrity of the edge of the shell 1. In the welding process, the joint rib 111 is pressed between the bottom shell 11 and the cover plate 12 in the molten state, so as to ensure the edge of the bottom shell 11 and the cover plate 12 to be flat, and keep the welding position between the bottom shell 11 and the cover plate 12 to be beautiful. In other embodiments, the bottom shell 11 and the cover plate 12 can also be detachably connected through threaded connection or through the way of clamping pieces.

[0042] Please refer to Figure 3 , Figure 3An integrated kick sensor bottom surface explosion diagram is provided for the first embodiment of the application, the bottom shell 11 is internally provided with a reinforcing rib 113 for strengthening the internal structure of the shell 1 to avoid deformation of the shell 1, the PCBA board 4 is placed on the reinforcing rib 113 of the bottom shell 11, the bottom shell 11 is also internally provided with a positioning pin 114, the PCBA board 4 is provided with a limiting hole matched with the positioning pin 114 in the bottom shell 11 to limit the PCBA board 4 horizontally, the cover plate 12 is provided with a plurality of support columns 122 on the opposite surface of the bottom shell 11 to abut against the PCBA board 4 to position the PCBA board 4 vertically, and the bottom shell 11 and the cover plate 12 are buckled during assembly to package the internal elements of the integrated kick sensor.

[0043] Please see Figure 4 , Figure 4 The package block and PIN pin row structure diagram is shown, the shell 1 is internally provided with a package block 5 made of plastic material, the PIN pin row 2 is embedded in the package block 5 by integral injection molding, the package block 5 fixes the shape of the PIN pin and fixes the PIN pin row 2 in the shell 1, in order to save the material cost of production, the package block 5 is E-shaped, the part of the package block 5 fixing the PIN pin row 2 is a plastic plate 51, the plastic plate 51 is fixed with the bottom surface and the side surface of the shell 1, and the plastic plate 51 fixes the shape and position of the PIN pin row 2 while also playing a role of the reinforcing rib 113 of the shell 1 to improve the stability of the overall structure, each adjacent plastic plate 51 is fixed by a connecting plate 52 to increase the stability of the structure of the package block 5 and avoid deformation of the plastic plate 51 to cause deformation of the PIN pin row 2 and affect the stable transmission of the signal.

[0044] In the embodiment, the PIN pin row 2 is L-shaped and includes two groups, which are fixed in the shell 1, one end of the PIN pin row 2 is exposed outside the shell 1 by penetrating through the side wall of the shell 1, the first end of the first group of PIN pin rows 2 is connected with the pin of the PCBA board 4 by wave soldering to realize signal connection, the second end of the first group of PIN pin rows 2 is connected with the sensing wire harness 3 by welding or crimping to stably and reliably transmit the signal, realize the functions of sensing and signal shielding of the integrated kick sensor, the first end of the second group of PIN pin rows 2 is connected with the pin of the PCBA board 4 by wave soldering, and the second end of the second group of PIN pin rows 2 is externally connected to the vehicle body to realize the functions of power supply, grounding and communication of the integrated kick sensor, and the PIN pin row 2 fixed by the package block 5 is placed in the mold during the production process.

[0045] In the production process, the PIN needle row 2 is placed in the mold, and is integrally injection molded between the plastic block 5 and the shell 1 to be stably fixed. The PIN needle row 2 fixed by the plastic block 5 is placed in the mold, and is integrally injection molded between the shell 1 and the shell 1 to be stably fixed. The connection between the PIN needle row 2 and the sensing wire harness 3 is integrally injection molded with the shell 1, is covered by the shell 1, and is fixed to prevent deformation or disconnection of the connection between the PIN needle row 2 and the sensing wire harness 3, thereby affecting the transmission of the model.

[0046] In the embodiment, the sensing wire harness 3 is fixed at the end of the wire sleeve 6, and the wire sleeve 6 is connected to the end of the sensing wire harness 3 by ABS glue. The glue connection is used instead of the low-pressure injection molding process to reduce the production process flow of the integrated kick sensor.

[0047] In the embodiment, the PIN needle row 2 and the sensing wire harness 3 of the integrated kick sensor are connected by ultrasonic welding and wave crest welding technology, so that the signal connection is stable and reliable. The bottom shell 11 and the plastic block 5 for fixing the PIN needle row 2 are integrally injection molded, and finally the bottom shell 11 and the cover plate 12 are welded to encapsulate the internal structure, so that the integrated kick sensor has a compact structure, high part integration, reliable product protection, and the integrated kick sensor does not need to connect the sensing wire harness 3 through a plug-in connector, thereby reducing the production process and production cost.

[0048] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, any equivalent changes made on the basis of the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An integrated kick sensor, characterized by, The integrated kick sensor comprises: a shell (1); a PIN pin array (2) fixedly arranged in the shell (1) and penetrating the side wall of the shell (1) to extend outside the shell (1); an induction wire harness (3) electrically connected with the PIN pin array (2); and a PCBA board (4) arranged in the shell (1), and the pins of the PCBA board (4) are electrically connected with the PIN pin array (2).

2. An integrated kick sensor according to claim 1, wherein: The induction wire harness (3) and the PIN pin array (2) are welded or crimped.

3. The integrated kick sensor of claim 1, wherein: The integrated kick sensor further comprises a plastic-coated block (5) fixedly arranged in the shell (1), and the plastic-coated block (5) fixes the PIN pin array (2).

4. An integrated kick sensor according to claim 3, wherein: The plastic-coated block (5) comprises a plastic-shaped plate (51) and a connecting plate (52), the plastic-shaped plate (51) fixes each PIN pin array (2), and the connecting plate (52) connects two adjacent plastic-shaped plates (51).

5. An integrated kick sensor according to claim 4, wherein: The PIN pin array (2) comprises two groups, the two groups of PIN pin arrays (2) are arranged at intervals, the PIN pin array (2) is L-shaped, the first end of the first group of PIN pin arrays (2) is electrically connected with the induction wire harness (3), the second end of the first group of PIN pin arrays (2) is electrically connected with the PCBA board (4), the first end of the second group of PIN pin arrays (2) is electrically connected with the PCBA board (4), and the second end of the second group of PIN pin arrays (2) is connected with the vehicle body.

6. The integrated kick sensor of claim 1, wherein: The shell (1) comprises a bottom shell (11) and a cover plate (12), and the bottom shell (11) and the cover plate (12) are detachably connected.

7. An integrated kick sensor according to claim 6, wherein: The connecting surface of the bottom shell (11) and the cover plate (12) is provided with a ring-shaped joint rib (111), the joint rib (111) abuts against the cover plate (12), and when the bottom shell (11) and the cover plate (12) are welded, the joint rib (111) can be a welding position.

8. An integrated kick sensor according to claim 6, wherein: The bottom shell (11) is provided with lugs (112) on both sides, and the cover plate (12) is provided with notches (121) matched with the lugs (112) on both sides.

9. An integrated kick sensor according to claim 6, wherein: The bottom shell (11) is internally provided with a reinforcing rib (113) and a positioning pin (114), the PCBA board (4) is arranged on the reinforcing rib (113), the PCBA board (4) is provided with a limiting hole matched with the positioning pin (114), the opposite surfaces of the cover plate (12) and the bottom shell (11) are provided with a plurality of supporting columns (122), and the supporting columns (122) abut against the PCBA board (4).

10. An integrated kick sensor according to any one of claims 1-9, characterized in that: The induction wire harness (3) is glued and fixed with a wire sleeve (6) at the end, and the wire sleeve (6) wraps the end of the induction wire harness (3).

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