CN213818444U - Controller - Google Patents

Abstract

The utility model provides a controller, connect the plug device including shell, circuit board and input or output, the inside cavity that forms of shell, the circuit board sets up in the cavity, seted up installation breach on the shell and installed input or output and connect the plug device, input or output connects the plug device and includes base member and conductor connecting piece, be provided with the through-hole on the base member, conductor connecting piece wears to establish on the base member through the through-hole, the one end of conductor connecting piece welds with the circuit on the circuit board mutually, conductor connecting piece's the other end is connected with external terminal, the base member includes the base plate, be provided with the leg on the base plate in order to enclose synthetic connecing and connect the plug connection element, still be provided with the through hole on the base member, still be provided with waterproof ventilative component in through hole department, the through hole is located the side of connecing the plug connection element, perhaps the through hole is located and connects between the plug connection element. According to the utility model provides a pair of controller has following advantage: the number of sealing points on the surface of the shell is reduced, the processing difficulty is small, the sealing performance is stable and durable, and the structure is ingenious and reasonable.

Description

Controller

Technical Field

The utility model relates to a controller.

Background

The controller is a device for realizing control by changing the wiring and resistance values of a main circuit or a control circuit according to a preset sequence, and particularly plays a decision-making role when the controller is used in the field of electric vehicles. At present, the sealing and waterproof performance of the electric vehicle controller on the market is not stable enough and lasting, particularly after the controller is expanded and cooled and contracted due to high heat generation, the sealing material at the sealing point on the controller is easy to loosen to lose the air tightness, and then external water vapor invades into the controller and damages components.

In order to balance the difference between the internal pressure and the external pressure of the controller, many manufacturers begin to research and develop corresponding products, for example, the chinese utility model patent with the publication number of CN201829512U and the title of solar photovoltaic junction box discloses: a solar photovoltaic junction box, comprising: the waterproof connector comprises a shell (1), a top cover (2), a male connector (3) and a female connector (4), wherein the shell (1) comprises a wire holder (1.1), a waterproof connector (1.2) and a bayonet (1.4), the bayonet (1.4) is arranged on the outer edge of the shell (1), a clamping key (2.1) is arranged on the outer edge of the top cover (2), the clamping key (2.1) is matched with the bayonet (1.4), the wire holder (1.1) is fixed in the shell (1), the waterproof connector (1.2) is fixed on the side wall of the shell (1), the number of the waterproof connectors (1.2) is two, the two waterproof connectors (1.2) are positioned on the same side of the shell (1), the upper ends of the two waterproof connectors (1.2) are connected with the wire holder (1.1), and the lower ends of the two waterproof connectors (1.2) are respectively connected with the male connector (3) and the female connector (4); the improved junction box is characterized in that a protruding block (1.3) is arranged on the side wall of the shell (1), the protruding block (1.3) and the male coupler (3) are located on the same side of the shell (1), a through hole (1.3.1) is formed in the protruding block (1.3), the through hole (1.3.1) is communicated with the inside and the outside of the junction box, and a PCS (PCS) breathable film (5) is arranged on the through hole (1.3.1). Technical scheme, set up through-hole (1.3.1) on protrusion piece (1.3) on casing (1) lateral wall, inside and outside of through-hole (1.3.1) intercommunication terminal box, this kind of project organization is complicated, the processing degree of difficulty is high, inevitably will correspond on casing (1) and set up the bleeder vent that is linked together with through-hole (1.3.1), increased the sealed point quantity on casing (1), caused harmful effects to the gas tightness that keeps controller casing (1).

For another example, a chinese utility model patent with an authorization publication number CN211377453U, entitled junction box, discloses: the utility model provides a junction box, includes the body that is used for holding electrical element, install the breather valve on the body, anti condensation water joint is installed to at least one side of body, anti condensation water joint includes female end and public end, female end is used for connecting the cable that the junction box draws forth, public end is used for connecting the cable of external access, female end with be plug-in connection between the public end. The body includes a box body and a box cover, the box body is used for accommodating the electric element. The breather valve is mounted on the box cover. The breather valve is a one-way valve or a cold flow expiratory valve. Technical scheme, with the breather valve setting on the box cover, increased the sealing point quantity on the terminal box, be difficult to maintain good gas tightness.

For another example, a chinese utility model patent with an authorization notice number CN211252221U entitled electric vehicle controller discloses: the method comprises the following steps: an upper cover; the lower cover is mutually butted and buckled with the upper cover; and a preformed groove is arranged at the butt joint position of the lower cover and the upper cover or the butt joint position of the upper cover and the lower cover, and is used for injecting waterproof glue after the upper cover and the lower cover are installed so as to seal the upper cover and the lower cover. The electric vehicle controller further comprises a breathable film, the upper cover and the lower cover are in butt joint to form a hollow structure, the upper cover is provided with a breathable hole communicated with the hollow structure, and the breathable film is attached to the position, corresponding to the breathable hole, of the upper cover. Technical scheme has the technical problem the same with the aforesaid, has increased the sealed point quantity of covering, is difficult to maintain good gas tightness, the processing degree of difficulty height.

Finally, the chinese invention application entitled controller for electric vehicle with an authorization notice number CN107124839A discloses: the utility model provides a controller for electric automobile, includes main casing body (1), main casing body (1) top is equipped with upper cover (2) that is used for the involution main casing body (1), is connected with between main casing body (1) and upper cover (2) and is used for sealed upper cover sealing washer (6), upper cover (2) one side is connected with wiring apron (3) through wiring apron sealing washer (5), upper cover (2) lid edge is equipped with and compresses and spacing boss (211) to wiring apron sealing washer (5), guiding gutter (212) have been seted up to boss (211) one side, main casing body (1) bottom is equipped with water-cooling apron (4) that are used for sealed main casing body (1) inside one side water-cooling cavity (124), main casing body (1) shell one side welding has protruding structure (125) that are used for installing waterproof joint (8), and main casing body (1) shell one side table wall department division welding has business turn over water pipe (7), the water-cooled radiator comprises a water-cooled cavity (124), and is characterized in that a die-casting integrated radiating fin (1244) is arranged in the water-cooled cavity (124), an IGBT module mounting hole (1243) for mounting an IGBT module (20) is formed in one side of the radiating fin (1244), the IGBT module (20) is connected with an IGBT drive plate (21), a capacitor mounting column (121) for supporting a thin-film capacitor (13) is welded on one side of the bottom of a shell of a main shell (1), a positive incoming line row (11) and a negative incoming line row (12) are welded on two sides of the shell of the thin-film capacitor (13), the thin-film capacitor (13) is connected with a power board (10) through the positive incoming line row (11) and the negative incoming line row (12), a control board (9) is arranged on the power board (10), a fixing column (110) for fixing a wiring fixing base (14) is welded on the other side of the bottom of the main shell (1), and a Hall sensor (15) is connected to one side of the wiring base (14), hall sensor (15) one side welding has W looks outlet wire to arrange (16), V looks outlet wire to arrange (17) and U looks outlet wire to arrange (18), V looks outlet wire is arranged (17) and is located W looks outlet wire and arranges (18) between (16) and the U looks outlet wire, main casing body (1) shell one side table wall intermediate position is equipped with breather valve mounting hole (113) that are used for installing breather valve (19). According to the technical scheme, the breather valve mounting hole is formed in the middle of the surface wall of one side of the shell of the main shell (1), and the number of sealing points on the main shell (1) is increased as in the above case, so that the sealing performance is difficult to guarantee.

In addition, in order to obtain a good signal shielding function, the junction box is mostly made of all-metal tensile sectional materials, and the air holes for installing the breather valve are formed in the junction box independently, so that the process difficulty is high, burrs are easily generated in the machining process, and effective sealing is not facilitated. Therefore, it is highly desirable to develop a controller that avoids forming air holes on the controller housing and has effective air-permeable and waterproof functions.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a reduce shell surface seal point quantity, the processing degree of difficulty is little, sealing performance is stable lasting, the ingenious reasonable controller of structure.

The utility model discloses mainly adopt following technical scheme:

a controller comprises a shell, a circuit board and an input or output plugging device, wherein a hollow cavity is formed inside the shell, the circuit board is arranged in the hollow cavity, an installation notch is further formed in the shell, the input or output plugging device is installed at the installation notch, the input or output plugging device comprises a base body and a conductor connecting piece, a through hole is formed in the base body, the conductor connecting piece is arranged on the base body in a penetrating mode through the through hole, one end of the conductor connecting piece is welded with a circuit on the circuit board, the other end of the conductor connecting piece is connected with an external terminal, the base body comprises a base plate, the through hole is formed in the base plate, a surrounding wall is further arranged on the base plate, the surrounding wall surrounds a synthetic plugging connecting unit, the conductor connecting piece is arranged in the plugging connecting unit, the base body is further provided with a through hole to balance air pressure difference between the inner side and the outer side of the hollow cavity, a waterproof ventilating element is further arranged at the through hole, and the through hole is located on the side edge of the plug-in connection unit or located between the plug-in connection units.

The base plate is installed in a matched mode through the sealing rubber mat and the installation notch, and the cross section of the sealing rubber mat is in a lip shape.

Wherein, the shell includes main casing body and end cover, the main casing body adopts tensile section bar to make and controls the structure that link up, the end cover sets up both ends about the main casing body, the upper portion of the main casing body has the stair structure both ends have been seted up about the upper strata of main casing body stair structure the installation breach, input or output connect the plug device to install installation breach department, input or output connect the installation direction of plug device be suitable for to make the matched with the extending direction of external terminal with the tensile direction of structure cooperatees.

Wherein, the installation breach has also been seted up to main casing body stepped structure's lower floor, input or output connector device is installed installation breach department, with be located main casing body stepped structure lower floor input or output connector device matched with the height of external terminal with main casing body stepped structure upper strata highly cooperatees.

And the edge of the inner wall of the mounting notch is clamped in the opening of the lip-shaped sealing rubber gasket.

The back side of the lip-shaped sealing rubber gasket opposite to one side of the opening is abutted against the surrounding wall, and the base plate upwards presses the bottom end of the lip-shaped sealing rubber gasket.

Wherein, still be provided with sealed arch on the dorsal side of sealed cushion and the bottom.

Wherein, the edge of base plate upwards extends and forms turn-ups structure.

Wherein the waterproof breathable element comprises a waterproof breathable film which covers the through hole.

The waterproof breathable element further comprises a protective cover, the protective cover is pressed on the waterproof breathable film in a pressing mode, a ventilation gap is formed in one side, facing the waterproof breathable film, of the protective cover, and the ventilation gap is communicated with the outer side wall of the protective cover.

According to the technical scheme, following beneficial effect has: the through holes are formed in the input or output plug-in device, so that an opening can be prevented from being formed in the controller shell, the number of sealing points on the controller shell is reduced, the sealing performance of the controller is improved, meanwhile, the through holes are formed in the input or output plug-in device, the processing difficulty of the controller shell is reduced, the die is simpler, the functions of the input or output plug-in device are more intensive and diversified, and the structural design provides convenience for the shell to be made of a high-shielding-performance material; the waterproof breathable element is arranged at the through hole, so that the problem that water vapor intrudes along with air expansion, cooling and contraction caused by high heat generation in the controller can be effectively solved, the safety coefficient of the element is improved, the waterproof performance is better, and the controller is longer in service life and more durable; the base plate of the input or output plug-in device is matched with the installation notch through the sealing rubber gasket, the cross section of the sealing rubber gasket is in a lip shape, sealing bulges are arranged on the back side and the bottom end, and the base plate is not easy to ventilate and has a good and stable sealing effect.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the controller of the present invention.

Fig. 2 is a schematic diagram of an exploded structure of the controller of fig. 1.

Fig. 3 is a schematic structural view of a pin header socket with a waterproof and breathable element.

Fig. 4 is a rear cross-sectional view of the pin header receptacle of fig. 3.

Fig. 5 is an exploded view of the pin header socket of fig. 3.

FIG. 6 is a schematic view of the waterproof and air-permeable element located in the middle of the connector housing insertion area.

Fig. 7 is a schematic structural view of the reversed part in fig. 6.

FIG. 8 is a schematic view of another embodiment of the waterproof and air-permeable member located at one side of the connector housing receiving area.

Fig. 9 is a schematic bottom view of the protective cover.

Fig. 10 is a sectional view of a portion a-a in fig. 1.

Fig. 11 is a sectional view of a portion B-B in fig. 1.

Fig. 12 is a sectional view of the portion C-C in fig. 1.

Fig. 13 is an enlarged view of a portion D in fig. 10.

The device comprises a controller 1, a shell 11, a hollow cavity 110, an installation notch 1100, a main shell 112, an end cover 113, a circuit board 12, an input or output plug device 13, a base 131, a through hole 1310, a base 1311, a surrounding wall 1312, a plug connection unit 1312a, an installation position 13120, a limiting plate 13121, a conductor connector 132, an external terminal 14, a through hole 2, a waterproof and breathable element 3, a waterproof and breathable film 31, a protective cover 32, a ventilation gap 320, a central gap 321, a branch gap 322, an installation column 323, a sealing rubber pad 4, a sealing protrusion 41, a reinforcing plate 5 and waterproof silica gel 7.

Detailed Description

The invention will be further elucidated with reference to the accompanying drawings:

referring to fig. 1 to 13, a controller 1 includes a housing 11, a circuit board 12, and an input or output connector 13, the housing 11 is formed as a hollow cavity 110, the circuit board 12 is disposed in the hollow cavity 110, the housing 11 is further formed with a mounting notch 1100, the input or output connector 13 is mounted at the mounting notch 1100, the input or output connector 13 includes a base 131 and a conductor connector 132, the base 131 is provided with a through hole 1310, the conductor connector 132 is disposed on the base 131 through the through hole 1310, one end of the conductor connector 132 is soldered to a circuit on the circuit board 12, the other end of the conductor connector 132 is connected to an external terminal 14, the base 131 includes a substrate 13121, the through hole 1310 is disposed on the substrate 1311, the substrate is further provided with a wall 1312, the wall 1312 surrounds a combined connector unit a, the conductor connector 132 is disposed in the connector unit 112a, the base 131 is further provided with a through hole 2 to balance the air pressure difference between the inside and the outside of the hollow cavity 110, a waterproof ventilation element 3 is further arranged at the through hole 2, the through hole 2 is located at the side of the plug-in connection unit 1312a, or the through hole 2 is located between the plug-in connection units 1312 a. Preferably, the input or output connector 13 may be a pin header or a wire holder. The structural design can avoid the input or output plug-in device from being provided with an opening on a controller shell arranged on the input or output plug-in device, on one hand, the purposes of adjusting the air pressure change caused by the temperature change in the controller and preventing external moisture from entering the controller are achieved, on the other hand, the number of sealing points on the surface of the controller shell is reduced, the waterproof reliability is effectively improved, moreover, the through holes are provided based on the higher material consistency of the controller shell, the processing difficulty is increased, the mold is complex, and the structures which are difficult to seal such as burrs and the like are possibly generated, the through holes are moved to the input or output plug-in device to be provided, the problems are effectively avoided, no additional hole opening burden is added to the controller shell, the structure is simple and reasonable, the product integrity is good, the consistency degree is high, the mold is simple and low in loss, and the processing technology for providing the through holes on the input or output plug-in device is relatively easy and convenient to provide, and convenient to use, The input or output plugging device has the advantages that the structural design is ingenious and reasonable, large-scale standardized production is facilitated, the standardized production of spare and accessory parts is promoted, meanwhile, the waterproof performance of the controller shell mounted on the input or output plugging device is further improved, the functions of the input or output plugging device are more intensive, and the structure is more ingenious and reasonable. Preferably, the case of "side" here includes a case where the through-hole 2 is located around the plug connection unit 1312a without abutting the plug connection unit 1312a, and also includes a case where the through-hole 2 abuts the plug connection unit 1312a, and more preferably, the through-hole 2 is located on the end side of the plug connection unit 1312 a. Preferably, the through hole 2 is provided on a boss of the substrate 1311, and a mesa wall of the boss is coupled to the peripheral wall in a fitting manner or is integrally formed, and a height of the fitting boss and a height of the peripheral wall form a "stepped" height difference, so as to facilitate an external terminal mounting operation. Preferably, the surrounding wall 1312 is provided with mounting positions 13120 therein, and the mounting positions 13120 are spaced apart by the limiting plates 13121 for better insulation and positioning, and more preferably, the limiting plates 13121 may be provided with protrusions so that a specific shape is enclosed between the limiting plates 13121 or between the limiting plates 13121 and the surrounding wall 1312 for better guidance and positioning. For example, when the input or output connector 13 is a pin header, the mounting locations 13120 with a specific shape are enclosed between the limiting plates 13121 or between the limiting plates 13121 and the wall 1312, and the conductor connectors 132 adopt a guideline to fit the mounting locations 13120 into the guideline; for another example, when the input or output connector 13 is a wire holder, the mounting locations 13120 are surrounded between the limiting plates 13121 or between the limiting plates 13121 and the surrounding wall 1312, the conductor connectors 132 are copper pins, the mounting locations 13120 are fitted into the copper pins, the pins or copper pins are inserted into the through holes 1310 of the substrate 1311, one end of each pin is connected to the external terminals 14, and the other end of each pin is soldered to the circuit on the circuit board 12. Preferably, the substrate 1311 is located on the opposite side of the surrounding wall 1312, the reinforcing plate 5 is disposed around the through hole 1310, the reinforcing plate 5 serves as a reinforcing rib, the mechanical strength of the substrate 1311 around the through hole 1310 is improved, the stability of the substrate 1311 is improved, the reinforcing plate 5 surrounds a reinforcing position, and the waterproof silicone rubber 6 is laid at the reinforcing position to ensure the air tightness of the through hole 1310 of the substrate 1311, and when the conductor connector 132 is inserted, the waterproof silicone rubber 6 can be tightly attached to the reinforcing position. Preferably, the technical solution described in the present application also includes the case where the surrounding wall 1312 is not provided, which is very simple in structure. Preferably, base member 131 still includes the support column, and the support column all is provided with step-like spacing breach with conductor connecting piece 132's end, and the setting of this kind of spacing breach does benefit to fixing base member 131 on circuit board 12, and the support column plays main support and fixed action, and conductor connecting piece 12 plays auxiliary stay and fixed action to conveniently strengthen the operation of the position pouring into waterproof silica gel 5 into, and conveniently weld conductor connecting piece 12 on circuit board 12.

Referring to fig. 10 to 13, the substrate 1311 is mounted in the mounting notch 1100 by the sealing rubber 4, and the cross section of the sealing rubber 4 is lip-shaped. This kind of structural design makes the inner wall edge of installation breach 1100 stretch into in the lip shape structure of sealed cushion, is similar to sealed cushion "bites" the inner wall edge of installation breach, and sealed cushion is laminated with the structure of installation breach more, plays important role to improving sealing performance.

Referring to fig. 1, 2, 10, and 11, the housing 11 includes a main housing 112 and an end cap 113, the main housing 112 is made of an elongated profile and is made into a structural member that is through from left to right, the end cap 113 is disposed at the left and right ends of the main housing 112, the upper portion of the main housing 112 has a step structure, the left and right ends of the upper layer of the step structure of the main housing 112 are opened with an installation notch 1100, the input or output connector 13 is installed at the installation notch 1100, and the installation direction of the input or output connector 13 is suitable for matching the extending direction of the external terminal 14 that is matched with the extending direction of the structural member. Preferably, the mounting direction of the input or output connector 13 is adapted such that the extension direction of the mounted external terminals 14 coincides with the stretching direction of the structural member. Preferably, the structural member is made of an all-metal drawn profile to obtain an excellent shielding function, and the controller housing is also more robust and durable.

Referring to fig. 1, 2, 10 and 11, a mounting notch 1100 is also formed at the lower layer of the stepped structure of the main housing 112, the input or output connector 13 is mounted at the mounting notch 1100, and the height of the external terminal 14, which is mated with the input or output connector 13 at the lower layer of the stepped structure of the main housing 112, is mated with the height of the upper layer of the stepped structure of the main housing 112. Preferably, when the mating external terminal 14 is mounted, the height thereof may be lower or higher than the height of the upper layer of the stepped structure of the main housing 112, or may be equal to the height of the upper layer of the stepped structure, as the case requires.

Referring to fig. 10-13, the inner wall edge of the mounting notch 1100 snaps into the opening of the lip seal cushion 4. This kind of structural design makes the combination of sealed cushion and installation breach more firm and inseparable, can guarantee the sealed effect of sealed point, is difficult for taking place the condition that sealed became invalid, and sealing performance is good.

Referring to fig. 3 to 8, the back side of the lip seal 4 opposite to the open side is abutted against the surrounding wall 1312, and the substrate 1311 presses the bottom end of the lip seal 4 upward. The assembly mode ensures the sealing performance of the base plate and the mounting notch, and improves the overall waterproof performance of the controller shell.

As shown in fig. 13, sealing protrusions 41 are further provided on the back side and the bottom end of the sealing rubber 4. This kind of structural design will "face contact" convert "point contact" for corresponding structure on the sealed cushion self plane can not the direct contact pedestal, sealed cushion also can not be too narrow because of the space and can't pack into, moreover, also make the area of contact of sealed cushion dorsal part or bottom and leg or base plate on the pedestal reduce and then increase magnitude of interference after converting into "point contact", make sealed effect more superior, structural design is simple reliable.

Referring to fig. 2, the edge of the base plate 1131 extends upward to form a flange structure. Preferably, the flanging structure can limit the lip-shaped sealing rubber gasket 4, and prevent the sealing rubber gasket 4 from displacing to influence the overall waterproof performance of the shell 11 of the controller 1.

Referring to fig. 2, 5, 6 and 8, the waterproof and breathable element 3 includes a waterproof and breathable film 31, and the waterproof and breathable film 31 covers the through hole 2. Preferably, the waterproof breathable film 31 is made of polytetrafluoroethylene material, has good breathable and waterproof performance, can adjust air pressure on two sides of the film, can effectively prevent water vapor from entering, and has excellent waterproof performance. Preferably, the waterproof breathable film 31 is adhered by 3M glue, and the 3M glue is provided with a central hole avoiding the through hole 2 so as to adhere the waterproof breathable film 31 to the peripheral position of the through hole 2. Preferably, the waterproof breathable film 31 is sandwiched between two mating surfaces, which can be formed by, for example, a mounting plate divided into two layers, and the two mating surfaces are also provided with a central hole avoiding the through hole 2 so as to facilitate air to enter and exit the waterproof breathable film 31.

Referring to fig. 2, 3, 5, 6, and 8, the waterproof and breathable element 3 further includes a protective cover 32, the protective cover 32 is pressed on the waterproof and breathable film 31, a ventilation gap 320 is disposed on a side of the protective cover 32 facing the waterproof and breathable film 31, and the ventilation gap 320 is communicated with an outer side wall of the protective cover 32. The protective cover 32 is pressed over the waterproof breathable film to prevent the waterproof breathable film 31 from being punctured or prevent sludge from splashing onto the waterproof breathable film 31. Preferably, the side of protective cover 32 facing waterproof breathable membrane 41 compresses the edge of waterproof breathable membrane 31. Preferably, the side of protective cover 32 remote from waterproof vented membrane 31 is marked with a "breather valve". Preferably, the vent gap 420 includes a central gap 321 and branch gaps 322, the central gap 321 is formed by a groove located at the central position of the protection cover 32, the central gap 321 faces the position of the through hole 2, one end of the branch gaps 322 is communicated with the central gap 321, and the other end extends to the outer side wall of the protection cover 32. Preferably, the protection cover 32 is further provided with a mounting column 323, and the mounting column 323 is in interference fit with a mounting hole provided around the periphery of the through hole 2.

Although specific embodiments of the present invention have been described above, those skilled in the art will readily appreciate that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (10)

1. A controller comprises a shell, a circuit board and an input or output plugging device, wherein a hollow cavity is formed inside the shell, the circuit board is arranged in the hollow cavity, an installation notch is further formed in the shell, the input or output plugging device is installed at the installation notch, the input or output plugging device comprises a base body and a conductor connecting piece, a through hole is formed in the base body, the conductor connecting piece is arranged on the base body in a penetrating mode through the through hole, one end of the conductor connecting piece is welded with a circuit on the circuit board, the other end of the conductor connecting piece is connected with an external terminal, the base body comprises a base plate, the through hole is formed in the base plate, a surrounding wall is further arranged on the base plate, the surrounding wall surrounds a synthetic plugging connecting unit, the conductor connecting piece is arranged in the plugging connecting unit, the method is characterized in that: the base body is further provided with a through hole to balance air pressure difference between the inner side and the outer side of the hollow cavity, a waterproof ventilating element is further arranged at the through hole, and the through hole is located on the side edge of the plug-in connection unit or located between the plug-in connection units.

2. The controller according to claim 1, wherein: the base plate is installed in a matched mode through the sealing rubber mat and the installation notch, and the cross section of the sealing rubber mat is in a lip shape.

3. The controller according to claim 1, wherein: the shell includes the main casing body and end cover, the main casing body adopts tensile section bar to make and controls the structure that link up, the end cover sets up both ends about the main casing body, the upper portion of the main casing body has the stair structure both ends have been seted up about the upper strata of main casing body stair structure the installation breach, input or output plug device installs installation breach department, input or output plug device's installation direction is suitable for making the matched with the extending direction of external terminal with the tensile direction of structure cooperatees.

4. The controller of claim 3, wherein: the installation breach has also been seted up to main casing body stepped structure's lower floor, input or output connect the plug device to be installed installation breach department, with be located main casing body stepped structure lower floor input or output connect plug device matched with the height of external terminal with main casing body stepped structure upper strata highly cooperatees.

5. The controller according to claim 2, wherein: the edge of the inner wall of the installation notch is clamped in the opening of the lip-shaped sealing rubber gasket.

6. The controller of claim 5, wherein: the back side of the lip-shaped sealing rubber gasket opposite to one side of the opening is abutted against the surrounding wall, and the base plate upwards compresses the bottom end of the lip-shaped sealing rubber gasket.

7. The controller of claim 6, wherein: sealing bulges are further arranged on the back side and the bottom end of the sealing rubber gasket.

8. The controller according to any one of claims 1 to 4, 6, and 7, wherein: the edge of the base plate extends upwards to form a flanging structure.

9. The controller according to claim 1, wherein: the waterproof breathable element comprises a waterproof breathable film, and the waterproof breathable film is covered on the through hole.

10. The controller of claim 9, wherein: the waterproof breathable element further comprises a protective cover, the protective cover is pressed on the waterproof breathable film in a pressing mode, a ventilation gap is formed in one side, facing the waterproof breathable film, of the protective cover, and the ventilation gap is communicated with the outer side wall of the protective cover.

Images