阅读说明：本技术 一种船用动力总成 (Marine power assembly ) 是由 陈少棠 杨广魁 于 2020-07-20 设计创作，主要内容包括：本发明公开了一种船用动力总成,属于动力总成领域,本发明公开的一种船用动力总成,包括底板与盖板,所述底板与盖板之间设置有控制主板；所述底板与所述盖板连接处密封,以将所述控制主板密封于两者之间,所述底板与所述盖板之间形成密封空间；所述盖板上设置有单向注气嘴,所述单向注气嘴出气端连通所述密封空间,以增加所述密封空间中的气压,所述盖板上还设置有连通所述密封空间的迷你压力表,以显示所述密封空间的气压。通过单向注气嘴可以往密封空间内通气使得其气压增大,使得空气中的腐蚀性物质不会往控制主板渗透,可以很好的保护控制主板,通过迷你压力表可以方便观测内部压力是否合适,是否存在密封不严的问题。(The invention discloses a marine power assembly, which belongs to the field of power assemblies and comprises a bottom plate and a cover plate, wherein a control main plate is arranged between the bottom plate and the cover plate; the connection part of the bottom plate and the cover plate is sealed so as to seal the control main board between the bottom plate and the cover plate, and a sealed space is formed between the bottom plate and the cover plate; be provided with one-way gas injection mouth on the apron, one-way gas injection mouth end intercommunication of giving vent to anger sealed space, in order to increase atmospheric pressure in the sealed space, still be provided with the intercommunication on the apron sealed space's mini manometer, in order to show sealed space's atmospheric pressure. Can lead to the air pressure increase of making in sealed space through one-way gas injection mouth for corrosive substance in the air can not be toward the infiltration of control mainboard, and whether protection control mainboard that can be fine can conveniently survey internal pressure through mini manometer is suitable, whether has sealed not tight problem.)

1. A marine power assembly comprises a bottom plate (2) and a cover plate (1), wherein a control main plate (3) is arranged between the bottom plate (2) and the cover plate (1); the method is characterized in that:

the connection part of the bottom plate (2) and the cover plate (1) is sealed, so that the control main plate (3) is sealed between the bottom plate and the cover plate, and a sealed space is formed between the bottom plate (2) and the cover plate (1);

be provided with one-way gas injection mouth (11) on apron (1), one-way gas injection mouth (11) are given vent to anger and are held the intercommunication the confined space, in order to increase atmospheric pressure in the confined space, still be provided with the intercommunication on apron (1) the mini manometer (12) of confined space, in order to show the atmospheric pressure of confined space.

2. The marine powertrain of claim 1, wherein:

be provided with holding tank (22) on bottom plate (2), holding tank (22) bottom edge is provided with spacing boss (26), apron (1) edge be provided with spacing boss (26) assorted flange (13), during the installation, flange (13) with spacing boss (26) adhesive bonding, just flange (13) are located in holding tank (22), flange (13) up side with the side of going up of bottom plate (2) is flat mutually.

3. The marine powertrain of claim 2, wherein:

two closed angle departments of spacing boss (26) are provided with triangle platform (261), two all be provided with air guide groove (21) on triangle platform (261), two air guide groove (21) respectively with one-way gas injection mouth (11) and mini manometer (12) switch on mutually.

4. The marine powertrain of claim 2, wherein:

spacing boss (26) with holding tank (22) lateral wall junction is provided with arc wall (25), fringe (13) set up in assorted arc guide slot (15) in corresponding the position, arc wall (25) with be provided with seal ring (4) between arc guide slot (15).

5. The marine powertrain of claim 4, wherein:

arc guide slot (15) are provided with arc portion (151) and plane portion (152), plane portion (152) with arc portion (151) are tangent.

6. The marine powertrain of claim 1, wherein:

be provided with connecting plug (31) on the control panel, be provided with on bottom plate (2) with connecting plug (31) complex first breach (23), be provided with on apron (1) with connecting plug (31) complex second breach (14), connecting plug (31) joint in first breach (23) and between second breach (14).

7. The marine powertrain of claim 6, wherein:

the bottom plate (2) is in first breach (23) position is provided with sunken groove (24), connecting plug (31) outside is provided with seal cover (32), seal cover (32) joint in first breach (23) and between second breach (14), seal cover (32) joint in sunken groove (24).

8. The marine powertrain of claim 7, wherein:

and two side walls of the connecting plug (31) are provided with limit stops (33), the sealing sleeve (32) abuts against the limit stops (33), and after the installation is completed, the limit stops (33) abut against the cover plate (1).

Technical Field

The invention relates to the field of power assemblies, in particular to a marine power assembly.

Background

Automatic vehicle speed change is an important component of automobile electric control technology. Likewise, automatic speed change of the ship needs to be realized through a TCU controller. The automatic speed change of the vehicle is realized by adopting a computer and an electric power electronic driving technology, the difference of the gear shifting technology of a driver can be eliminated, the labor intensity of the driver is reduced, the driving safety is improved, and the dynamic property and the economical efficiency of the vehicle are improved. The continuously variable transmission system of an automobile generally consists of a continuously variable transmission CVT and a continuously variable transmission controller TCU. The TCU is composed of a 16-bit or 32-bit processor, a signal processing circuit, a power driving module, etc., and passes a strict electromagnetic compatibility test. The working temperature depends on the installation position, the temperature is usually installed in a cab, and the required temperature grade is lower, namely 40-90 ℃. If the temperature-sensitive adhesive is installed in an engine compartment, the temperature grade is usually-40-140 ℃. Through communication of a CAN bus and vehicle-mounted computers such as an ECU (electronic control unit), an ABS (anti-lock brake system)/ESP (electronic stability program), BCU (binary coded decimal) and the like, when the gearbox breaks down, the torque of the engine is controlled, gears are limited, and a limping home function is realized. In the electrical industry, the three-proofing design refers to the design of moisture resistance, salt mist resistance and mould resistance. The electrical equipment used on the ship must have a three-proofing design to ensure the normal operation of the electrical equipment. The three-proofing design is an important guarantee for normal operation of electrical products in various different environments, and systematic three-proofing design is carried out on various aspects such as circuit design, material application, structural design, process technology and the like during product development and development.

The marine power assembly controller can not well isolate damp salt fog and the like, so that the circuit is easy to damage to influence the normal work of the power assembly controller.

Disclosure of Invention

In order to overcome the defects of the prior art, the technical problem to be solved by the invention is to provide a marine power assembly, which ensures that the interior of a power assembly controller is absolutely sealed, and salt mist, water molecules and the like cannot enter to influence the circuit of the power assembly.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a marine power assembly, which comprises a bottom plate and a cover plate, wherein a control main plate is arranged between the bottom plate and the cover plate; the connection part of the bottom plate and the cover plate is sealed so as to seal the control main board between the bottom plate and the cover plate, and a sealed space is formed between the bottom plate and the cover plate; be provided with one-way gas injection mouth on the apron, one-way gas injection mouth end intercommunication of giving vent to anger sealed space, in order to increase atmospheric pressure in the sealed space, still be provided with the intercommunication on the apron sealed space's mini manometer, in order to show sealed space's atmospheric pressure.

The invention has the preferable technical scheme that the bottom plate is provided with an accommodating groove, the edge of the bottom of the accommodating groove is provided with a limiting boss, the edge of the cover plate is provided with a flange strip matched with the limiting boss, the flange strip is connected with the limiting boss in an adhesive manner during installation, the flange strip is positioned in the accommodating groove, and the upper side surface of the flange strip is level with the upper side surface of the bottom plate.

The invention has the preferable technical scheme that triangular platforms are arranged at two sharp corners of the limiting boss, air guide grooves are arranged on the two triangular platforms, and the two air guide grooves are respectively communicated with the one-way air injection nozzle and the mini pressure gauge.

The invention has the preferable technical scheme that an arc-shaped groove is arranged at the joint of the limiting boss and the side wall of the accommodating groove, the edge strip is arranged at the corresponding position of the arc-shaped guide groove which is matched with the edge strip, and a sealing gasket is arranged between the arc-shaped groove and the arc-shaped guide groove.

The invention has the preferable technical scheme that the arc-shaped guide groove is provided with an arc-shaped part and a plane part, and the plane part is tangent to the arc-shaped part.

The invention has the preferable technical scheme that a connecting plug is arranged on the control panel, a first notch matched with the connecting plug is arranged on the bottom plate, a second notch matched with the connecting plug is arranged on the cover plate, and the connecting plug is clamped between the first notch and the second notch.

The invention has the preferable technical scheme that a sunken groove is formed in the position of the first notch of the bottom plate, a sealing sleeve is arranged on the outer side of the connecting plug, the sealing sleeve is clamped between the first notch and the second notch, and the sealing sleeve is clamped in the sunken groove.

The invention has the preferable technical scheme that two side walls of the connecting plug are provided with limit stops, the seal sleeve abuts against the limit stops, and after the installation is finished, the limit stops abut against the cover plate.

The invention has the beneficial effects that:

the invention provides a marine power assembly, which comprises a bottom plate and a cover plate, wherein a control main plate is arranged between the bottom plate and the cover plate; the connection part of the bottom plate and the cover plate is sealed so as to seal the control main board between the bottom plate and the cover plate, and a sealed space is formed between the bottom plate and the cover plate; be provided with one-way gas injection mouth on the apron, one-way gas injection mouth end intercommunication of giving vent to anger sealed space, in order to increase atmospheric pressure in the sealed space, still be provided with the intercommunication on the apron sealed space's mini manometer, in order to show sealed space's atmospheric pressure. Can lead to the air pressure increase of making in sealed space through one-way gas injection mouth for corrosive substance in the air can not be toward the infiltration of control mainboard, and whether protection control mainboard that can be fine can conveniently survey internal pressure through mini manometer is suitable, whether has sealed not tight problem.

Drawings

FIG. 1 is a schematic front side view of a marine powertrain according to an embodiment of the present invention;

FIG. 2 is a rear schematic view of a marine powertrain according to an embodiment of the present invention;

FIG. 3 is a schematic view of a gasket mounting portion provided in an embodiment of the present invention;

in the figure:

1. a cover plate; 2. a base plate; 3. a control main board; 4. a sealing gasket; 11. a one-way gas injection nozzle; 12. a mini pressure gauge; 13. edge strips; 14. a second notch; 15. an arc-shaped guide groove; 21. a gas guide groove; 22. accommodating grooves; 23. a first notch; 24. sinking the tank; 25. an arc-shaped slot; 26. a limiting boss; 31. a connecting plug; 32. sealing sleeves; 33. a limit stop block; 151. an arc-shaped portion; 152. a planar portion; 261. a triangular table.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-3, the present embodiment provides a marine power assembly, which includes a bottom plate 2 and a cover plate 1, wherein a control main board 3 is disposed between the bottom plate 2 and the cover plate 1; the connection part of the bottom plate 2 and the cover plate 1 is sealed, so that the control main board 3 is sealed between the bottom plate 2 and the cover plate 1, and a sealed space is formed between the bottom plate 2 and the cover plate 1; be provided with one-way gas injection mouth 11 on the apron 1, the one-way gas injection mouth 11 end intercommunication of giving vent to anger sealed space, in order to increase atmospheric pressure in the sealed space, still be provided with the intercommunication on the apron 1 sealed space's mini manometer 12, in order to show sealed space's atmospheric pressure. The bottom plate 2 is adhered to the cover plate 1 through a strong sealant, and the three screws are used for fixing, so that a stable sealing effect can be achieved. By providing the one-way air injection nozzle 11 such as a ball, air can be injected into the sealed space to increase the internal air pressure so that it is higher than the atmospheric pressure. Therefore, only the inside air can permeate to the outside, and the outside air cannot enter and contact the control mainboard 3, so that the control mainboard 3 can be well protected. The pressure in the sealed space can be conveniently detected through the mini pressure gauge 12, so that the internal pressure is not too large and the components and parts are damaged, meanwhile, the internal pressure is slightly higher than the standard atmospheric pressure by about 1MPa to 2MPa, the detection range of the common mini pressure gauge 12 on the market is 0-2.5MPa, the size is small, the size is only about 25mm generally, and the mini pressure gauge can be conveniently installed on a power assembly controller. Therefore, the internal pressure of the sealed air can be conveniently controlled to be greater than the atmospheric pressure, and the external air is prevented from entering and damaging the circuit board.

Preferably, be provided with holding tank 22 on bottom plate 2, holding tank 22 bottom edge is provided with spacing boss 26, apron 1 edge be provided with spacing boss 26 assorted flange 13, during the installation, flange 13 with spacing boss 26 adhesive bonding, just flange 13 is located in the holding tank 22, flange 13 the up side with the side of going up of bottom plate 2 is flat mutually. The edge strip 13 and the limiting boss 26 are glued together in a surface fitting mode, and the installation mode can ensure good sealing performance to the maximum extent; simultaneously, the cover plate 1 and the bottom plate 2 are firmly adhered and fixed, so that a person can be prevented from detaching the cover plate, internal components can be protected from being damaged, and the internal circuit structure can be prevented from being stolen by people. Meanwhile, the connecting seam between the cover plate 1 and the bottom plate 2 sinks into the accommodating groove 22, so that a sharp object can be prevented from being inserted into the connecting seam from the side surface, and the sealing performance of the cover plate and the bottom plate can be well guaranteed.

Preferably, two closed angles of the limiting boss 26 are provided with a triangular table 261, two air guide grooves 21 are formed in the triangular table 261, and the two air guide grooves 21 are respectively communicated with the one-way air injection nozzle 11 and the mini pressure gauge 12. The triangle platform 261 can conveniently restrict control mainboard 3, plays the fixed action, sets up air guide groove 21 on triangle platform 261 simultaneously, because triangle platform 261 has great area of contact with apron 1, air guide groove 21's setting also can not make its adhesion strength not enough.

Preferably, an arc-shaped groove 25 is arranged at the joint of the limiting boss 26 and the side wall of the accommodating groove 22, the edge strip 13 is arranged at the corresponding position in the matched arc-shaped guide groove 15, and a sealing gasket 4 is arranged between the arc-shaped groove 25 and the arc-shaped guide groove 15. After the cover plate 1 is attached to the base plate 2, the sealing gasket 4 is pressed, so that a better sealing environment is further formed. Meanwhile, the sealing gasket 4 is limited between the arc-shaped guide groove 15 and the arc-shaped groove 25, and the deformation space of the sealing gasket 4 is limited, so that the sealing gasket 4 can well block the gap to form a sealing environment.

Preferably, the arc-shaped guide groove 15 is provided with an arc-shaped portion 151 and a plane portion 152, and the plane portion 152 is tangent to the arc-shaped portion 151. Adopt ball end mill processing when processing arc guide slot 15, at first utilize ball end mill to mill 1/4 arc surfaces at the edge, accomplish after the round processing, with the radial distance of milling cutter inside feed to make the arc portion 151 position corresponding with the arc wall 25 position of the spacing boss 26 in below, thereby can be better with seal ring 4 spacing.

Preferably, the control panel is provided with a connecting plug 31, the bottom plate 2 is provided with a first notch 23 matched with the connecting plug 31, the cover plate 1 is provided with a second notch 14 matched with the connecting plug 31, and the connecting plug 31 is clamped between the first notch 23 and the second notch 14. Furthermore, the bottom plate 2 is provided with a sunken groove 24 at the position of the first notch 23, a sealing sleeve 32 is arranged outside the connecting plug 31, the sealing sleeve 32 is clamped between the first notch 23 and the second notch 14, and the sealing sleeve 32 is clamped in the sunken groove 24. The position of the connection plug 31 can be sealed well by means of the sealing sleeve 32. The cover plate 1 and the bottom plate 2 extrude the sealing sleeve 32, so that a better sealing environment is formed at the position, and meanwhile, after the installation is completed, the sealing glue can be coated at the connecting position, so that a better sealing environment is formed in the sealing space.

Preferably, two side walls of the connection plug 31 are provided with limit stoppers 33, the sealing sleeve 32 abuts against the limit stoppers 33, and after the installation is completed, the limit stoppers 33 abut against the cover plate 1. The limit stops 33 help to position the sealing sleeve 32 when it is installed so that the sealing sleeve 32 can be accurately installed. At the same time, the limit stop 33 can prevent the connecting plug 31 from moving inward to damage the control main board 3 when the connector is inserted.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.