CN207781458U

CN207781458U - Protection silica gel operation panel based on CAN bus

Info

Publication number: CN207781458U
Application number: CN201820241960.0U
Authority: CN
Inventors: 姜鹏; 汤池; 郑忠强
Original assignee: Hunan Vast Mechatronic Co Ltd
Current assignee: Hunan Vast Mechatronic Co Ltd
Priority date: 2018-02-09
Filing date: 2018-02-09
Publication date: 2018-08-28
Anticipated expiration: 2028-02-09

Abstract

The utility model discloses a kind of protection silica gel operation panel based on CAN bus, including：Silica gel panel is integrally formed by top surface and around one week side of top edge, multiple button protrusions is provided on top surface；Circuit board sets multiple touch keys on one side, and each touch key is corresponding with the position of a button protrusion, and another side sets MCU module；All touch keys are electrically connected with MCU module；Bottom case, be equipped with air hole and with the integrally formed external connection port of bottom case, be fixed with waterproof ventilated membrane on air hole；Side and bottom case are tightly connected, and circuit board is between silica gel panel and bottom case, and touch key is towards button protrusion；External connection port is located at part and welding circuit board in bottom case.The program solves the problems such as safeguard function is poor in the prior art.

Description

Protection silica gel operation panel based on CAN bus

Technical field

The utility model is related to CAN bus technical field, especially a kind of protection silica gel operating surface based on CAN bus Plate.

Background technology

Usually there is on special-purpose vehicle operation panel at present, directly believed switch by connecting line by CAN bus technology It number is transferred to associated operating units or passes to controller, to realize the control to vehicle.

The means that existing operation panel generally use rocker switch or film key are inputted as manual operation signal, Rocker switch and film key are typically only capable to accomplish that water proof and dust proof, i.e. front side protective, degree of protection most multipotency reach in using face IP65, other faces can not accomplish effective protection；In addition rocker switch volume is bigger, is occupied when needing to control more equipment Space is larger, and reduce vehicle interior efficiently uses space.

Utility model content

The utility model provides a kind of protection silica gel operation panel based on CAN bus, for overcoming in the prior art It protects the defects of not in place, operation panel occupied space is big, realizes multi-panel protection, the occupied space of reduction operation panel.

To achieve the above object, the utility model proposes a kind of protection silica gel operation panel based on CAN bus, including Silica gel panel, circuit board and bottom case；The wherein described silica gel panel is by top surface and around one week side of top edge one It is molded, multiple button protrusions is provided on the top surface；Multiple touch keys are provided in the circuit board wherein one side, each The touch key is corresponding with a position of button protrusion, and MCU module is provided on the circuit board another side, owns The touch key is electrically connected with the MCU module；Be provided on the bottom case air hole and with the bottom case one at The external connection port of type is fixed with waterproof ventilated membrane on the air hole；The side of the silica gel panel and the bottom case are close Envelope connection, the circuit board is between the silica gel panel and the bottom case, and the touch key is prominent towards the button It rises；The external connection port is located at part and the welding circuit board in the bottom case.

Preferably, the LED light group that quantity is equal with the touch key quantity is installed on the circuit board, it is each described LED light group is electrically connected with a touch key number and forms one group；There is one group of leaded light in each button protrusion Column, light-guiding pillar described in every group are corresponding with corresponding to the LED light group organized where the touch key of the button protrusion.

Preferably, the bottom case corresponds to the position of the MCU module and is provided with cavity, and the cavity stretches out in the bottom case Outside, the MCU module is located in the cavity.

Preferably, the external connection port is embedded in the pocket base wall, and the waterproof ventilated membrane is arranged described In pocket base wall.

Preferably, the external connection port includes plug connector.

Preferably, the circuit board and bottom case are respectively positioned on the side of the silica gel panel and enclose in the space set.

Preferably, surrounding the bottom case edge has the edge extended towards the circuit board position for one week, described It is bonded and sealed by sealant layer between edge and the side of the silica gel panel.

Preferably, surrounding the bottom case edge has the edge extended towards the circuit board position for one week, described It is connected by sealing structure between the side of silica gel panel and the edge.

Preferably, the bottom case is made of rigid, and the edge of the bottom case is in arc surfaced, and the edge is with respect to institute It states bottom case to outwardly protrude, side view and the edge of the silica gel panel coincide, and can be wrapped in the edge described In side.

Preferably, have on the edge and surround one week primary sealing area of the bottom case, the primary sealing area upper edge Length direction is arranged at intervals with multiple sealing recess；It is provided on the side of the silica gel panel close for being fastened on described first Secondary sealing area on cover, has on the secondary sealing area and the seal convexity of the sealing recess cooperation.

Protection silica gel operation panel provided by the utility model based on CAN bus, using the circuit of light touch bottom type Plate, opposite rocker switch small volume, reduces the occupied space of whole operation panel；Circuit board is sealed in silica gel panel and bottom Between shell, the multi-panel protection in face where realizing top surface and side, in addition, external connection port on bottom case and bottom case one at Type, realizes the protection of the connecting portion between external connection port and bottom case, and the waterproof ventilated membrane on bottom case prevents silica gel face Plate deforms and circuit board damage.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the stereo decomposing for the protection silica gel operation panel based on CAN bus that the utility model embodiment provides Figure；

Fig. 2 is partial sectional view in Fig. 1；

Fig. 3 is the structural schematic diagram of the utility model sealing mechanism preferred embodiment one；

Fig. 4 is the structural schematic diagram of the utility model sealing mechanism preferred embodiment two.

Drawing reference numeral explanation：

Label	Title	Label	Title
				1	Silica gel panel	31a	Air hole
11	Top surface	31b	Cavity
				11a	Button protrusion	31	Waterproof ventilated membrane
11b	Light-guiding pillar	32	Edge
				12	Side	33	Arc sealing surface
13	Primary sealing area	34	Secondary sealing area
				2	Circuit board	34a	Sealing recess
21	Touch key	13a	Seal convexity
				22	MCU module	4	External connection port
23	LED light group	5	Sealant layer
				3	Bottom case

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, shall fall within the protection scope of the present invention.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is instruction or implies its relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention, It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, also may be used To be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.

In addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability Domain those of ordinary skill can be implemented as basis, will be understood that when the combination of technical solution appearance is conflicting or cannot achieve The combination of this technical solution is not present, also not within the protection domain of the requires of the utility model.

The utility model proposes a kind of protection silica gel operation panel based on CAN bus.

Embodiment：

Fig. 1, Fig. 2 are please referred to, in one embodiment of the utility model, the protection silica gel operation panel based on CAN bus Including：

Silica gel panel 1, circuit board 2 and bottom case 3；The wherein described silica gel panel 1 is by top surface 11 and surrounds 11 side of the top surface One week side of edge 12 is integrally formed, and multiple button protrusion 11a are provided on the top surface 11；The wherein one side of the circuit board 2 On be provided with multiple touch keys 21, each touch key 21 is corresponding with a position of button protrusion 11a, described MCU module 22 is provided on 2 another side of circuit board, all touch keys 21 are electrically connected with the MCU module 22；Institute State be provided on bottom case 3 air hole 31a and with 3 integrally formed external connection port 4 of the bottom case, on the air hole 31a It is fixed with waterproof ventilated membrane 31；The side 12 of the silica gel panel 1 is tightly connected with the bottom case 3, and the circuit board 2 is located at institute It states between silica gel panel 1 and the bottom case 3, and the touch key 21 is towards the button protrusion 11a；The external connection terminal Mouth 4 is located at parts and the welding of the circuit board 2 in the bottom case 3.

Protection silica gel operation panel provided by the utility model based on CAN bus, using touch key 21 as letter Number input equipment, as long as pushing button gently is switch connection, when release is to switch to disconnect, mainly logical The metal clips stress springing crossed inside touch key switches on and off to realize, touch key has the characteristic of microswitch And small, light weight, extra small ultra-thin, square structure usually has 6mm and 12mm sizes；Using the electricity of light touch bottom type Road plate 2 substantially reduces volume instead of rocker switch, reduces the occupied space of whole operation panel, and button at least 1,000,000 The secondary above service life；Circuit board 2 is sealed between silica gel panel 1 and bottom case 3, realizes 12 place face of top surface 11 and side Multi-panel protection realize external connection port 4 and bottom in addition, external connection port 4 on bottom case 3 is integrally formed with bottom case 3 The protection of connecting portion between shell 3, the waterproof ventilated membrane 31 on bottom case 3 prevent the damage of silica gel panel 1 deformation and circuit board 2 It is bad.

To simplify electrical connecting wires, in an embodiment of the utility model, the external connection port 4 includes plug connector. Opposite rocker switch, reduces electrical cable, vehicle network only needs two connections (CAN_H, CAN_L) that can carry out group Net.All distributed apparatus modules only need four lines (power positive line, power cathode line, CAN_H, CAN_L) can be just Often work.Convenient for the installation and maintenance of circuit.

In another embodiment of the utility model, quantity is installed on the circuit board 2 and is counted with the touch key 21 Equivalent LED light group 23 is measured, each LED light group 23 and a touch key 21 are electrically connected and form one group；Often There is one group of light-guiding pillar 11b on a button protrusion 11a, light-guiding pillar 11b described in every group with corresponding to the button protrusion The LED light group 23 organized where touch key corresponds to.

It can also be printed on button protrusion 11a or carving function identifies, in use, operating personnel press according to Function Identification Corresponding button protrusion 11a, triggering correspond to the touch key 21 below button protrusion 11a, and circuit board 2 is said operational motion Electric signal is converted to, and is acquired by the MCU module 22 on circuit board 2, and is CAN bus report according to protocol conversion by the electric signal Text is sent to by external connection port 4 in CAN bus.After the CAN bus message that other equipment is sent is received by MCU module 22, It is converted into bright, the functions such as go out, flicker of corresponding LED light group 23.Realize the instruction function of key-press status.Opposite rocker switch and Film key (instruction is only capable of accomplishing simple break-make instruction), substantially increases interactivity, realizes increasingly complex intelligence and refer to Show.

In order to save operation panel inner space, volume is reduced, the position of the MCU module 22 is corresponded in the bottom case 3 It is provided with cavity 31b, the cavity 31b and stretches out in the outside of the bottom case 3, the MCU module 22 is located at the cavity 31b It is interior.Structure inside the operation panel of this structure is more compact.

To further save operation panel inner space, volume is reduced, the external connection port 4 is embedded at the cavity On 31b bottom walls, the waterproof ventilated membrane 31 is arranged on the cavity 31b bottom walls.

To further save operation panel inner space, volume is reduced, the circuit board 2 and bottom case 3 are respectively positioned on the side It encloses in the space set in face 12.

As a preferred embodiment of the utility model, have towards the circuit board 2 within one week around 3 edge of the bottom case The edge 32 that position extends, by sealant layer 5 (referring to figure between the edge 32 and the side 12 of the silica gel panel 2) it is bonded and sealed.Silica gel shell and sealant layer 5 form integral protection, it can be achieved that whole equipment IP67 degree of protection.It is applicable in In various bad working environments.On the one hand the setting at edge 32 increases the contact area of bottom case 3 and sealant layer 5, improve stability Can, on the other hand, circuit board 2 can be placed on edge 32, separate circuit board 2 and bottom case 3, convenient for heat dissipation.Sealant layer 5 can be with Using silica gel.

As the another preferred embodiment of the utility model, have towards the circuit within one week around 3 edge of the bottom case The edge 32 that 2 position of plate extends, is connected between the side 12 and the edge 32 of the silica gel panel 1 by sealing structure It connects.Here sealing structure is mechanical structure, is easy for installation and removal.

Here a kind of specific sealing mechanism is provided, referring to Fig. 3, the bottom case 3 is made of rigid, and the edge is in 32 arc surfaceds, and the bottom case 3 relatively of the edge 32 outwardly protrudes, 12 shape of side and the side of the silica gel panel 1 It coincide, and the edge 32 can be wrapped in the side 32 along 32.Flexibility using silica gel and fabulous resilience, knot Being identical for arc sealing surface 33 is closed, and when the two has the trend being disengaged from each other, with the pressure between arcwall face Increase the frictional force between increasing, to play the role of anticreep.

To further improve sealing performance, have the around the bottom case 3 one weeks referring to Fig. 4, on the edge 32 One sealing surface 34 is arranged at intervals with multiple sealings recess 34a on the primary sealing area 34 along its length；The silica gel panel Side 12 on be provided with secondary sealing area for being fastened on the primary sealing area 34 and coordinating with primary sealing area 34 13.The tight fit of sealing recess 34a and the seal convexity 13a on secondary sealing area 13, are played close using the surface tension of water Envelope acts on.

The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, It is every under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims

1. a kind of protection silica gel operation panel based on CAN bus, which is characterized in that include at least：

Silica gel panel is integrally formed by top surface and around one week side of the top edge, is provided on the top surface multiple Button protrusion；

Circuit board is wherein provided with multiple touch keys in one side, each touch key and button protrusion Position corresponds to, and MCU module is provided on the circuit board another side；All touch keys are electrical with the MCU module Connection；

Bottom case, be provided on the bottom case air hole and with the integrally formed external connection port of the bottom case, the air hole On be fixed with waterproof ventilated membrane；

The side of the silica gel panel is tightly connected with the bottom case, and the circuit board is located at the silica gel panel and the bottom case Between, the touch key is towards the button protrusion；The external connection port be located at part in the bottom case with it is described Welding circuit board.

2. the protection silica gel operation panel according to claim 1 based on CAN bus, which is characterized in that the circuit The LED light group that quantity is equal with the touch key quantity is installed on plate, each LED light group with touched described in one by Bond number is electrically connected and forms one group；There is one group of light-guiding pillar in each button protrusion, light-guiding pillar described in every group with it is corresponding The LED light group organized where the touch key of the button protrusion corresponds to.

3. the protection silica gel operation panel according to claim 1 based on CAN bus, which is characterized in that the bottom case The position of the corresponding MCU module is provided with cavity, and the cavity stretches out in the outside of the bottom case, and the MCU module is located at In the cavity.

4. the protection silica gel operation panel according to claim 3 based on CAN bus, which is characterized in that the outside Connectivity port is embedded in the pocket base wall, and the waterproof ventilated membrane is arranged in the pocket base wall.

5. the protection silica gel operation panel according to claim 1 based on CAN bus, which is characterized in that the outside Connectivity port includes plug connector.

6. the protection silica gel operation panel according to claim 1 based on CAN bus, which is characterized in that the circuit It encloses in the space set the side that plate and bottom case are respectively positioned on the silica gel panel.

7. the protection silica gel operation panel according to claim 6 based on CAN bus, which is characterized in that around described Bottom case edge has the edge extended towards the circuit board position, the side at the edge and the silica gel panel in one week Between be bonded and sealed by sealant layer.

8. the protection silica gel operation panel according to claim 6 based on CAN bus, which is characterized in that around described Bottom case edge has the edge extended towards the circuit board position, side and the edge of the silica gel panel for one week Between connected by sealing structure.

9. the protection silica gel operation panel according to claim 8 based on CAN bus, which is characterized in that the bottom case It is made of rigid, the edge of the bottom case is in arc surfaced, and the relatively described bottom case in the edge outwardly protrudes, the silica gel The side view of panel is coincide with the edge, and the edge can be wrapped in the side.

10. the protection silica gel operation panel according to claim 9 based on CAN bus, which is characterized in that the edge It is upper multiple close with being arranged at intervals with along its length on one week primary sealing area of the bottom case, the primary sealing area Envelope recess；The secondary sealing area for being fastened on the primary sealing area is provided on the side of the silica gel panel, it is described There is the seal convexity with the sealing recess cooperation on secondary sealing area.