CN212629068U

CN212629068U - Water-cooled motor controller for high pressure cleaner

Info

Publication number: CN212629068U
Application number: CN202021979382.4U
Authority: CN
Inventors: 何林; 邱永东
Original assignee: Chongqing Lihua Gentian Technology Co ltd
Current assignee: Chongqing Lihua Gentian Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-02-26
Anticipated expiration: 2030-09-10

Abstract

The utility model provides a water cooled machine controller for high pressure cleaner, shell on the controller, shell under the controller, water-cooling pipeline and control circuit board, shell lock fixed connection under shell and the controller on the controller, control circuit board fixed mounting is sealed in the shell under the controller and with the encapsulating, shell both ends under shell and the controller on the water-cooling pipeline embedding controller in the shell and the controller under run through the controller, the inside cavity that has the water supply and flow through of water-cooling pipeline, water-cooling pipeline both ends are equipped with the interface of intaking and the interface of going out with inside cavity through connection, water-cooling pipeline outside is equipped with heating element along the subsides of pipeline axial both sides limit, heating element is connected with the control circuit board electricity. This application utilizes rivers that flow through in the cavity to take away the heat that heating element conduction was at water cooling pipeline and realize the heat dissipation, has reached and has utilized product self to flow through rivers and cool off controller calorific capacity, has realized the reasonable effective utilization of resource, has improved controller heat dissipation condition.

Description

Water-cooled motor controller for high pressure cleaner

Technical Field

The utility model relates to a high pressure cleaner technical field, concretely relates to water cooled machine controller for high pressure cleaner.

Background

The existing cleaning machine adopts an electric control system to control a motor to operate, mechanical energy generated by the operation of the motor is transmitted to a water pump, and high-pressure water flow generated by the water pump is conveyed out. The electric control system can generate a large amount of heat when the electric control system transmits enough electric energy to drive the motor to operate, and the heat dissipation needs to be carried out on the electric control system to ensure the working stability

At present, the cleaning machines in the market adopt an air cooling mode to dissipate heat for an electric control system, and the air cooling heat dissipation is divided into fan heat dissipation or natural air cooling. The fan is used for heat dissipation, so that the defects of large product size, high cost, easiness in dust accumulation, power consumption, noise generation and the like can be caused; and natural air-cooled heat dissipation is very easily affected by bad ventilation and the like. Under the condition that the power requirement of the cleaning machine is high, the heat dissipation in an air cooling mode is not enough to have an ideal effect, and meanwhile, the heat dissipation stability is influenced due to the change of the environmental temperature.

The inventor of the utility model finds that the cleaning machine basically takes tap water or well water as a water source, and the temperature of the water source is not too high basically, which meets the requirement of heat dissipation of the controller; meanwhile, the water flow cooling mode of the cleaning machine is utilized to cool the electric control system, so that resources can be reasonably utilized, the cooling effect superior to air cooling is achieved, and the cleaning machine has the advantages of energy conservation, good cooling effect, small product volume, noise reduction, low cost and the like. Therefore, how to innovatively utilize the advantages to design the motor controller becomes a key problem at present.

SUMMERY OF THE UTILITY MODEL

Adopt the forced air cooling radiating effect unsatisfactory to current cleaning machine, do not rationally utilize self rivers cooling method to give the radiating technical problem of electrical system, the utility model provides a water-cooled machine controller for high pressure cleaner.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a water-cooled machine controller for high pressure cleaner, shell, water-cooling pipeline and control circuit board under shell, the controller on the controller, shell lock fixed connection under shell and the controller on the controller, control circuit board fixed mounting is sealed in the shell under the controller and with the encapsulating, water-cooling pipeline embedding controller goes up in shell and the controller under the shell and runs through shell and the controller under the shell both ends, the inside cavity that supplies the rivers to pass through that has of water-cooling pipeline, water-cooling pipeline both ends are equipped with the interface of intaking and the interface of going out of through connection with inside cavity, the outside subsides of pipeline axial both sides edge of water-cooling pipeline are equipped with heating element, heating element is connected with the control circuit board electricity.

Compared with the prior art, when the water-cooled motor controller for the high-pressure washer is used, the lower shell of the controller is fixedly connected with the outer end of the rear shell of the motor, the water pump is fixedly connected with the outer end of the front shell of the motor, and the control circuit board is connected with the motor through the cable, so that the controller, the motor assembly and the water pump are integrated into a whole, an integrated structure is formed, and the purposes of reasonably utilizing the space and reducing the whole volume of the washer are achieved; the during operation, acquire the water source with water-cooling pipeline interface of intaking and outside water piping connection, and pass through water flow pipeline and water pump interface connection of intaking with water-cooling pipeline interface of intaking, when the motor operation makes the water pump produce pressure, rivers will flow into from water-cooling pipeline interface of intaking and flow out to the water pump water inlet from water-cooling pipeline interface of going out through inside cavity, utilize this rivers to take away the realization heat dissipation with the heat of heating element conduction at water-cooling pipeline, the controller passes through water-cooling pipeline interface of intaking promptly, cavity and water-cooling pipeline interface of going out form a cooling water course, and the cooling water course that utilizes rivers of water pump during operation to form through the inside cavity of water-cooling pipeline carries out the heat dissipation cooling to the controller, and water-cooling contrast air-cooled heat dissipation has obvious. Therefore, the high-pressure cleaning machine adopting the water-cooling motor controller has small product size, low cost and good heat dissipation stability, does not generate noise and electric energy consumption by utilizing water flow for heat dissipation, and is not easily influenced by the environmental temperature; meanwhile, the heat generated by the controller is cooled by the water flow flowing through the product, so that the reasonable and effective utilization of resources is realized, and the heat dissipation condition of the controller is effectively improved.

Further, the controller upper shell and the controller lower shell are plastic shells.

Further, the front outer wall and the rear outer wall of the upper shell of the controller are provided with upper installation buckles, and the front outer wall and the rear outer wall of the lower shell of the controller are correspondingly provided with lower installation buckles.

Furthermore, the left outer wall and the right outer wall of the lower shell of the controller are symmetrically provided with mounting brackets with holes.

Further, the water cooling pipeline is a metal pipeline.

Drawings

Fig. 1 is a schematic view of a top view structure of a water-cooled motor controller for a high pressure washer.

Fig. 2 is the utility model provides a water-cooled machine controller left side view structure schematic diagram for high pressure cleaner.

Fig. 3 is the schematic diagram of the internal structure of the water-cooled motor controller for the high-pressure washer provided by the utility model.

Fig. 4 is a schematic cross-sectional structural view along the axial direction of the water cooling pipeline in fig. 3 provided by the present invention.

In the figure, 1, an upper shell of a controller; 11. a buckle is arranged on the bracket; 2. a controller lower housing; 21. a buckle is arranged at the lower part; 22. a mounting bracket with holes; 3. a water-cooled pipeline; 4. a control circuit board; 5. a water inlet interface; 6. a water outlet interface; 7. a heat generating element.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

In the description of the present invention, it is to be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, 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 therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides a water-cooled motor controller for a high pressure cleaning machine, including an upper controller housing 1, a lower controller housing 2, a water-cooled pipeline 3 and a control circuit board 4, wherein the upper controller housing 1 and the lower controller housing 2 are fixedly connected by fastening, the control circuit board 4 is fixedly installed in the lower controller housing 2 and sealed by potting adhesive (such as epoxy potting adhesive), the water-cooled pipeline 3 is embedded in the upper controller housing 1 and the lower controller housing 2 and penetrates through two ends of the upper controller housing 1 and the lower controller housing 2, that is, the water-cooled pipeline 3 is embedded in the upper controller housing 1 and the lower controller housing 2 and then extends out from two ends of the upper controller housing 1 and the lower controller housing 2, a cavity for water flow to pass through is provided inside the water-cooled pipeline 3, two ends of the water-cooled pipeline 3 are provided with a water inlet 5 and a water outlet 6 which are connected with the inner cavity in a penetrating manner, heating elements 7 are attached to two side edges of the outer portion of the water cooling pipeline 3 along the axial direction of the pipeline (namely, the water flow passing direction), the heating elements 7 are electrically connected with the control circuit board 4, namely the heating elements 7 (such as power devices) with large heating amount on the control circuit board 4 are installed on two side edges of the outer portion of the water cooling pipeline 3 in the axial direction.

As a preferred embodiment, the controller upper housing 1 and the controller lower housing 2 are plastic housings, that is, the controller upper housing 1 and the controller lower housing 2 are made of the existing plastic material, so that compared with other metal housings such as aluminum alloy, the controller upper housing and the controller lower housing have the advantages of light weight, low cost, simple production process and the like.

As a specific embodiment, please refer to fig. 1 and 3, the front and rear outer walls of the upper controller housing 1 are provided with upper mounting buckles 11, and the front and rear outer walls of the lower controller housing 2 are correspondingly provided with lower mounting buckles 21, so that the upper and lower controller housings can be fixedly combined together by the buckling connection of the upper mounting buckles 11 and the lower mounting buckles 21.

As a specific embodiment, please refer to fig. 1 and fig. 3, the left and right outer walls of the controller lower housing 2 are symmetrically provided with two mounting brackets 22 with holes, specifically, the left outer wall of the controller lower housing 2 is provided with two mounting brackets 22 with holes, and the right outer wall of the controller lower housing 2 is correspondingly provided with two mounting brackets 22 with holes, so that the four mounting brackets 22 with holes are in sleeve fit with corresponding preset supporting pillars with holes on the outer end wall of the motor rear housing, and the holes are fixedly penetrated with locking bolts, so as to realize the fixed connection between the controller lower housing and the outer end of the motor rear housing, and achieve that the controller and the motor assembly form an integrated structure.

As a specific embodiment, the water-cooling pipe 3 is a metal pipe, so that heat conduction can be better achieved, and thus the heat dissipation condition of the controller is improved. The water-cooling pipe 3 is not limited to any orientation and any angle of the upper and lower controller housings 1 and 2, and the water-cooling pipe 3 may be inserted only into the upper and lower controller housings 1 and 2.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The water-cooling motor controller for the high-pressure cleaning machine is characterized by comprising an upper controller shell (1), a lower controller shell (2), a water-cooling pipeline (3) and a control circuit board (4), wherein the upper controller shell (1) is fixedly connected with the lower controller shell (2) in a buckling manner, the control circuit board (4) is fixedly installed in the lower controller shell (2) and is sealed by glue pouring, the water-cooling pipeline (3) is embedded into the upper controller shell (1) and the lower controller shell (2) and penetrates through the upper controller shell (1) and the lower controller shell (2) at two ends, a cavity for water flow to pass through is formed inside the water-cooling pipeline (3), a water inlet interface (5) and a water outlet interface (6) which are in through connection with the inner cavity are formed at two ends of the water-cooling pipeline (3), and heating elements (7) are attached to two sides of the outer part of the water-cooling pipeline (3) along the axial direction, the heating element (7) is electrically connected with the control circuit board (4).

2. The water-cooled motor controller for the high-pressure washer according to claim 1, wherein the controller upper housing (1) and the controller lower housing (2) are plastic housings.

3. The water-cooled motor controller for the high pressure washer according to claim 1, characterized in that the front and rear outer walls of the controller upper housing (1) are provided with upper mounting buckles (11), and the front and rear outer walls of the controller lower housing (2) are correspondingly provided with lower mounting buckles (21).

4. The water-cooled motor controller for the high-pressure washer according to claim 1, characterized in that the perforated mounting brackets (22) are symmetrically arranged on the left and right outer walls of the controller lower shell (2).

5. The water-cooled motor controller for the high pressure washer according to claim 1, wherein the water-cooled pipe (3) is a metal pipe.