CN212231827U

CN212231827U - Controller

Info

Publication number: CN212231827U
Application number: CN202021182964.XU
Authority: CN
Inventors: 陈建宇
Original assignee: Beijing Jingwei Hirain Tech Co Ltd
Current assignee: Beijing Jingwei Hirain Tech Co Ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-12-25
Anticipated expiration: 2030-06-23

Abstract

The utility model belongs to the technical field of the controller, specifically include casing and circuit board, the casing includes first casing and second casing, the one end opening of first casing, and the second casing cup joints in the open end of first casing, is provided with the first sealing member that is used for the shutoff clearance between the two between first casing and the second casing. The circuit board is provided with row needle connecting piece and coaxial connector, and row needle connecting piece is provided with row needle, and coaxial connector includes the curb plate and sets up in the joint of curb plate. Fixed pinhole and locating hole have been seted up to the second casing, and each row needle is all worn out respective fixed pinhole that corresponds to can peg graft in pencil terminal. The second shell is also provided with a second sealing element, the second sealing element is provided with a through hole matched with the positioning hole, the joint can sequentially penetrate through the through hole and the positioning hole, and the side plate is pressed against the second sealing element. Through first sealing member, second sealing member and row's needle connecting piece and pencil terminal grafting cooperation, improved the protection level of controller.

Description

Controller

Technical Field

The utility model relates to a controller technical field especially relates to a protection level IP 65's controller.

Background

A vehicle-mounted information communication unit (T-Box) serves as a wireless gateway to provide a remote communication interface for a whole vehicle, and mainly has the functions of remote diagnosis service, vehicle-mounted safety service, Bluetooth key service and the like. As the function of the T-BOX controller becomes more important, the improvement of the protection performance of the T-BOX controller is urgent.

The protection performance of the T-BOX controller on the market at present basically meets the protection grades of IP50 and IP 52. However, the T-BOX controller has an unclear protection grade and cannot adapt to a complex use environment because the connecting pieces in the T-BOX controller have no waterproof and dustproof effects.

Generally, pin header connectors for transmitting control commands, coaxial connectors for transmitting differential signals and GPS signals, and the like are mounted on a circuit board of the T-BOX controller. Because the row needle connecting piece is large in size and large in row needle number, the sealing assembly by adopting the sealing ring is complicated, the installation period is long, and the T-BOX controller is not suitable for mass production and assembly. The coaxial connectors also lack an effective sealing structure, so that the T-BOX controller cannot meet the protection level requirements of IP 65.

Therefore, a controller is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a controller to improve the barrier propterty of controller.

To achieve the purpose, the technical proposal adopted by the utility model is that:

a controller, comprising:

the shell comprises a first shell and a second shell, one end of the first shell is open, the second shell is sleeved at the open end of the first shell, a first sealing element is arranged between the first shell and the second shell, and the first sealing element is used for sealing a gap between the first shell and the second shell;

the circuit board is fixedly arranged in the shell and provided with a pin header connector and a coaxial connector, the pin header connector is provided with a pin header, and the coaxial connector comprises a side plate and a connector arranged on the side plate;

the second shell is provided with fixing needle holes and positioning holes, and the row needles penetrate through the corresponding fixing needle holes and can be inserted into the wire harness terminals; the second shell is further provided with a second sealing element, a through hole matched with the positioning hole is formed in the second sealing element, the joint of the coaxial connecting piece can sequentially penetrate through the through hole and the positioning hole, and the side plate abuts against and presses the second sealing element.

Further, the controller still includes the ventilated membrane, the bleeder vent has been seted up to first casing or the second casing, the ventilated membrane correspond set up in the inner wall of first casing or the second casing just covers the bleeder vent.

Further, the outer wall of the first shell or the second shell is provided with a flow guide part, and the flow guide part is covered on the air holes.

Furthermore, a locking groove is formed in the second shell, the fixed needle hole is formed in the bottom of the locking groove, a slot is formed in the wiring harness terminal, and the wiring harness terminal is inserted into the locking groove so that the pin header is inserted into the corresponding slot.

Furthermore, the inner wall of the locking groove is provided with a clamping structure, and the clamping structure is clamped with the wiring harness terminal so as to lock the relative position of the locking groove and the wiring harness terminal.

Furthermore, the inner wall of the second shell is provided with a limiting groove, the positioning hole is located in the limiting groove, and the second sealing element is accommodated in the limiting groove.

Furthermore, one of the limiting groove and the second sealing element is provided with a first groove hole, the other one of the limiting groove and the second sealing element is correspondingly provided with a first positioning column, and the first groove hole is matched with the first positioning column so as to lock the relative position of the limiting groove and the second sealing element.

Furthermore, the second shell is provided with an annular groove along the circumferential direction, the first sealing element is wound in the annular groove, and when the first shell is sleeved on the second shell, the first shell abuts against the first sealing element.

Furthermore, a sealing strip is convexly arranged on the side wall of the first sealing element, which is pressed against the first shell.

Further, the sealing strips are provided with at least two.

The utility model has the advantages that:

the utility model provides a controller, including casing and circuit board. The casing includes first casing and second casing, and fixed pinhole and locating hole have been seted up to the second casing, is provided with row needle connecting piece and coaxial connector on the circuit board, and row needle on the row needle connecting piece wears out corresponding fixed pinhole to can peg graft in the pencil terminal, through the grafting cooperation of row needle and pencil terminal, realized arranging the good of needle connecting piece and sealing. The second shell is provided with a second sealing element, the second sealing element is provided with a through hole matched with the positioning hole, and when the joint of the coaxial connecting piece sequentially penetrates through the through hole and the positioning hole, the side plate of the coaxial connecting piece is pressed against the second sealing element, so that the coaxial connecting piece realizes good sealing. The second casing cup joints in the open end of first casing, and is provided with first sealing member between first casing and the second casing for the clearance between shutoff first casing and the second casing has realized the good sealed of first casing and second casing. Good sealing is realized between first casing and the second casing, row's needle connecting piece and coaxial connector, has improved controller barrier propterty for the controller can reach IP 65's protection level.

Drawings

Fig. 1 is a schematic structural diagram of a controller for providing one direction according to an embodiment of the present invention;

fig. 2 is an exploded view of a controller according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a second housing equipped with a second sealing member according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first sealing member provided in an embodiment of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 3 at A;

fig. 6 is a schematic structural diagram of a second sealing member provided in an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a controller at another viewing angle according to an embodiment of the present invention;

fig. 8 is a partial enlarged view at B in fig. 7.

In the figure:

1. a housing; 11. a first housing; 111. a clamping hole; 112. air holes are formed; 113. a flow guide part; 12. a second housing; 121. fixing the pinhole; 122. positioning holes; 123. a locking groove; 124. a limiting groove; 1241. a first slot; 125. an annular groove; 1251. a second slot; 126. buckling;

2. a circuit board; 21. a pin header connector; 211. arranging needles; 22. a coaxial connector; 221. a side plate; 222. a joint;

3. a first seal member; 31. a second positioning column; 32. a sealing strip; 4. a second seal member; 41. a first positioning post.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The connecting pieces in the T-BOX controller in the current market have no waterproof and dustproof effects, so that the protection grade of the T-BOX controller is not clear, the requirement of IP65 protection grade cannot be met, and the T-BOX controller cannot adapt to complex use environment.

In order to solve the above problems, as shown in fig. 1 to fig. 3, the present embodiment discloses a controller, which includes a housing 1 and a circuit board 2, where the housing 1 includes a first housing 11 and a second housing 12, one end of the first housing 11 is open, the second housing 12 is sleeved on the open end of the first housing 11, a first sealing member 3 is disposed between the first housing 11 and the second housing 12, and the first sealing member 3 is used for sealing a gap between the first housing 11 and the second housing 12; the circuit board 2 is fixedly arranged in the housing 1, the circuit board 2 is provided with a pin header connector 21 and a coaxial connector 22, the pin header connector 21 is provided with a pin header 211, and the coaxial connector 22 comprises a side plate 221 and a connector 222 arranged on the side plate 221. The second housing 12 is provided with a fixing pin hole 121 and a positioning hole 122, the second housing 12 is further provided with a second sealing member 4, the second sealing member 4 is provided with a through hole matched with the positioning hole 122, and each row of pins 211 penetrates through the corresponding fixing pin hole 121 and can be inserted into a wire harness terminal (not shown in the figure). The joint 222 of the coaxial connector 22 can pass through the through hole and the positioning hole 122 in sequence, and the side plate 221 presses against the second sealing element 4.

In this embodiment, the pin header 211 on the pin header connector 21 penetrates out of the corresponding fixing pin hole 121, and can be inserted into the wire harness terminal, and the pin header 211 and the wire harness terminal are inserted and matched to realize good sealing of the pin header connector 21. The second sealing member 4 is disposed on the second housing 12, and when the joint 222 of the coaxial connecting member 22 sequentially passes through the through hole and the positioning hole 122, the side plate 221 of the coaxial connecting member 22 abuts against the second sealing member 4, so that the coaxial connecting member 22 achieves good sealing. The second housing 12 is sleeved at the open end of the first housing 11, and a first sealing element 3 is arranged between the first housing 11 and the second housing 12, so as to seal a gap between the first housing 11 and the second housing 12, thereby realizing good sealing between the first housing 11 and the second housing 12. Good sealing is achieved between the first shell 11 and the second shell 12, and the pin header connecting piece 21 and the coaxial connecting piece 22, the protection performance of the controller is improved, and the controller can reach the protection level of IP 65.

As shown in fig. 2 and 3, the second housing 12 is provided with a locking groove 123, a fixing pin hole 121 is formed at the bottom of the locking groove 123, and a wire harness terminal is provided with a slot and is inserted into the locking groove 123, so that the pin header 211 is inserted into the corresponding slot through the fixing pin hole 121. The pencil terminal is connected with row's needle 211 grafting in locking groove 123, has avoided pencil terminal and row's needle 211 connection in-process to take place to rock, has improved row's needle 211 and the stability of pencil terminal connection. Meanwhile, the locking groove 123 has certain waterproof and dustproof effects, and the protection performance of the pin header connecting piece 21 and the wire harness terminal is further enhanced.

Preferably, the inner wall of the locking groove 123 is provided with a snap structure, which is snapped with the harness terminal to lock the relative position of the locking groove 123 and the harness terminal. When the wire harness terminal enters the accommodating cavity of the locking groove 123 and is connected with the pin header 211 in an inserting mode, the clamping structure on the inner wall of the locking groove 123 can be clamped with the periphery of the wire harness terminal, and the locking groove 123 and the wire harness terminal are connected stably.

As shown in fig. 2, the housing 1 of the controller is of a drawer type structure. The first housing 11 is sleeved on the second housing 12, and compared with a combination scheme of an upper housing and a lower housing of a traditional controller, the housing 1 of the controller in the embodiment has higher processing and assembling efficiency. A plurality of card holes 111 have been seted up on first casing 11, second casing 12 corresponds and is provided with a plurality of buckles 126, and when first casing 11 cup jointed in second casing 12, every buckle 126 all can be connected with the shown card hole 111 block that corresponds to the relative position of locking first casing 11 and second casing 12. It should be noted that, the first housing 11 is convexly provided with a plurality of guiding and positioning structures, the second housing 12 is correspondingly provided with a limiting portion, when the first housing 11 is sleeved on the second housing 12, and the buckle 126 is engaged with the buckle hole 111, the guiding and positioning structures are engaged with the limiting portion, so that the stable connection and the assembling efficiency between the first housing 11 and the second housing 12 are improved.

As shown in fig. 2 to 4, the second housing 12 is provided with an annular groove 125 along the circumferential direction thereof, the first sealing element 3 is wound in the annular groove 125, and when the first housing 11 is sleeved on the second housing 12, the first housing 11 is pressed against the first sealing element 3, so that the first sealing element 3 can seal the gap between the first housing 11 and the second housing 12, and the first housing 11 and the second housing 12 are well sealed. One of the annular groove 125 and the first sealing member 3 is provided with a second slot 1251, and the other is correspondingly provided with a second positioning column 31, and the second slot 1251 is matched with the second positioning column 31 to lock the relative position of the annular groove 125 and the first sealing member 3.

In this embodiment, the first seal 3 is preferably a quad ring that mates with the annular groove 125. Be provided with a plurality of second slotted holes 1251 in the annular groove 125, first sealing member 3 corresponds and is provided with a plurality of second reference columns 31, when first sealing member 3 around locating second reference column 31, every reference column all can cooperate with the second slotted hole 1251 that corresponds separately, in order to improve the firm connection of first sealing member 3 with second casing 12, avoided the controller in high low temperature environment or high low temperature test, casing 1 and first sealing member 3 both's linear expansion coefficient inconsistent, lead to both to connect inseparably or first sealing member 3 takes place to drop. The number, size and arrangement position of the second slots 1251 and the second positioning posts 31 are determined according to specific design requirements, and are not limited herein.

In order to further improve the protection performance between the first casing 11 and the second casing 12, at least two sealing strips 32 are arranged on the side wall of the first sealing element 3, which is pressed against the first casing 11, in a protruding manner. The sealing strip 32 is convexly arranged on the first sealing element 3, so that the thickness of the first sealing element 3 is increased, the extrusion force between the first shell 11 and the second shell 12 is improved, and the improvement of the sealing between the first shell 11 and the second shell 12 is facilitated. In the present embodiment, the seal strips 32 are provided in three. It will be appreciated that one, four and more than four sealing strips 32 may be provided. The shape and arrangement pitch of the cross section of the seal strips 32 are not particularly limited.

As shown in fig. 3, 5 and 6, the inner wall of the second housing 12 is provided with a limiting groove 124, the positioning hole 122 is located in the limiting groove 124, and the limiting groove 124 accommodates the second sealing member 4.

Preferably, the limiting groove 124 is a square groove, the second sealing element 4 is a square sealing element, and a through hole with the same shape and size as the positioning hole 122 is formed in a position of the second sealing element 4 facing the positioning hole 122, so that the joint 222 of the coaxial connector 22 can sequentially pass through the through hole of the second sealing element 4 and the positioning hole 122. The side plate 221 presses against the second sealing element 4, so that the second sealing element 4 is in a compressed state, a good seal is formed between the coaxial connecting element 22 and the second housing 12, and the protective performance of the coaxial connecting element 22 is improved.

Similarly, in order to avoid the inconsistent linear expansion coefficients of the controller in the high and low temperature environment or the high and low temperature test, which may cause the loose connection between the limiting groove 124 and the second sealing element 4 or the falling off of the second sealing element 4, one of the limiting groove 124 and the second sealing element 4 is provided with a first slot 1241, and the other is correspondingly provided with a first positioning column 41, and the first slot 1241 cooperates with the first positioning column 41 to lock the relative position of the limiting groove 124 and the second sealing element 4. In this embodiment, four first slots 1241 are disposed, and four first slots 1241 are all located in the limiting groove 124 and are uniformly distributed at four right-angle positions of the limiting groove 124. The first positioning columns 41 are correspondingly provided with four, and are located at four right-angle positions of the second sealing member 4. The four first slots 1241 are matched with the corresponding first positioning posts 41, so that the stress of the second sealing element 4 is uniform, the stable connection between the first slots 1241 and the first positioning posts 41 is improved, and the improvement of the protection performance of the coaxial connecting element 22 is facilitated. In other embodiments, one, two, three or more than three of the first slots 1241 or the first positioning posts 41 may be provided, and the specific structure and size of the first slots 1241 and the first positioning posts 41 need to be determined according to actual design requirements, which is not limited herein.

The controller, especially the T-BOX controller, needs to be tested in a high and low temperature environment. At different temperatures, the gas inside the controller is easy to expand or contract, so that the internal pressure and the external pressure of the controller are inconsistent, a gap is formed between the shells 1 or between the second shell 12 and the coaxial connecting piece 22, the integral air tightness of the controller is damaged, and the protection performance of the controller is reduced.

To solve the above problem, as shown in fig. 7 and 8, the controller further includes a gas permeable membrane (not shown), the first casing 11 or the second casing 12 is provided with a gas permeable hole 112, and the gas permeable membrane is correspondingly disposed on the inner wall of the first casing 11 or the second casing 12 and covers the gas permeable hole 112.

In the embodiment, the first casing 11 has a vent hole 112, and the vent film is welded to the inner wall of the first casing 11 and covers the vent hole 112. This ventilated membrane can be through gaseous, isolated liquid water for the controller can be under the prerequisite of guaranteeing higher protection level, and the internal and external pressure of controller keeps unanimous, is favorable to promoting the assembly stability of controller.

In this embodiment, the controller needs to meet the protection rating of IP65, i.e., ensure that the controller can protect against low pressure water jets at any angle. Therefore, the flow guide portion 113 is disposed on the outer wall of the first casing 11 or the second casing 12, and the flow guide portion 113 covers the air hole 112. The water sprayed at any angle flows in the flow guide structure of the flow guide part 113, so that the direct contact between the water and the breathable film is avoided, the welding strength of the breathable film is damaged, and the service life of the breathable film is prolonged. Meanwhile, the controller is additionally provided with the air holes 112 and the air-permeable film, so that the structure is simple and the cost is low.

The material of the case 1 is preferably PA6 nylon, and the first seal 3 and the second seal 4 are both preferably thermoplastic polyurethane elastomer rubber. Because the linear expansion coefficients of the two materials are relatively close, the condition that gaps occur among the shell 1, the first sealing element 3 and the second sealing element 4 or connection is loosened in a high-temperature and low-temperature test of the controller is reduced, and the assembly stability of the controller is improved.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A controller, comprising:

the shell (1), the shell (1) comprises a first shell (11) and a second shell (12), one end of the first shell (11) is open, the second shell (12) is sleeved at the open end of the first shell (11), a first sealing element (3) is arranged between the first shell (11) and the second shell (12), and the first sealing element (3) is used for sealing a gap between the first shell (11) and the second shell (12);

the circuit board (2) is fixedly arranged in the shell (1), the circuit board (2) is provided with a pin header connector (21) and a coaxial connector (22), the pin header connector (21) is provided with a pin header (211), and the coaxial connector (22) comprises a side plate (221) and a connector (222) arranged on the side plate (221);

the second shell (12) is provided with fixing pin holes (121) and positioning holes (122), and each pin header (211) penetrates through the corresponding fixing pin hole (121) and can be inserted into a wire harness terminal; the second shell (12) is further provided with a second sealing element (4), a through hole matched with the positioning hole (122) is formed in the second sealing element (4), the joint (222) of the coaxial connecting element (22) can sequentially penetrate through the through hole and the positioning hole (122), and the side plate (221) abuts against the second sealing element (4).

2. The controller according to claim 1, further comprising a gas permeable membrane, wherein the first casing (11) or the second casing (12) is provided with a gas permeable hole (112), and the gas permeable membrane is correspondingly disposed on an inner wall of the first casing (11) or the second casing (12) and covers the gas permeable hole (112).

3. The controller according to claim 2, wherein the outer wall of the first casing (11) or the second casing (12) is provided with a flow guide part (113), and the flow guide part (113) is covered on the air hole (112).

4. The controller according to claim 1, wherein a locking groove (123) is formed on the second housing (12), the bottom of the locking groove (123) is provided with the fixing pin hole (121), and the wire harness terminal is provided with a slot, and the wire harness terminal is inserted into the locking groove (123) so that the pin header (211) is plugged into the corresponding slot.

5. The controller according to claim 4, wherein the inner wall of the locking groove (123) is provided with a snap structure which is snapped with the harness terminal to lock the relative position of the locking groove (123) and the harness terminal.

6. The controller according to claim 1, characterized in that the inner wall of the second housing (12) is provided with a limiting groove (124), the positioning hole (122) is located in the limiting groove (124), and the limiting groove (124) accommodates the second sealing element (4).

7. A controller according to claim 6, characterized in that one of the limiting groove (124) and the second sealing element (4) is provided with a first slot hole (1241), and the other one is correspondingly provided with a first positioning column (41), and the first slot hole (1241) is matched with the first positioning column (41) to lock the relative position of the limiting groove (124) and the second sealing element (4).

8. The controller according to claim 1, characterized in that the second casing (12) is provided with an annular groove (125) along a circumferential direction thereof, the first sealing element (3) is wound in the annular groove (125), and when the first casing (11) is sleeved on the second casing (12), the first casing (11) is pressed against the first sealing element (3).

9. A control according to claim 8, characterized in that the first sealing element (3) is provided with a sealing strip (32) protruding from the side wall against the first housing (11).

10. A control according to claim 9, characterised in that the sealing strip (32) is provided with at least two.