CN215222670U

CN215222670U - Control box subassembly and pump assembly

Info

Publication number: CN215222670U
Application number: CN202120889903.5U
Authority: CN
Inventors: 韩元平; 丁军峰; 何燕
Original assignee: Hefei Xinhu Canned Motor Pump Co Ltd
Current assignee: Hefei Xinhu Canned Motor Pump Co Ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-17
Anticipated expiration: 2031-04-27

Abstract

The utility model belongs to the technical field of canned motor pumps, and discloses a control box assembly and a pump assembly; the control box subassembly includes: a control module including a PCB motherboard; at least a heat dissipation module of the PCB main board is attached to the heat dissipation member, and the PCB main board is fixedly connected with the heat dissipation member; the heat dissipation part is arranged on the box body, and heat generated by the PCB main board can be transferred to the box body through the heat dissipation part; the lid, it is detained on the box body, and lid and box body enclose to close to be formed with the installation cavity, and PCB mainboard and heat-radiating piece are located the installation cavity. The heat dissipation module of the PCB mainboard is attached to the heat dissipation piece, so that heat can be rapidly transferred to the heat dissipation piece, heat conduction silicone grease is not needed, and the cost of the control box assembly is reduced; the PCB main board and the heat radiating piece are arranged on the box body, blind insertion is not needed when the contact pin of the motor is installed, and the installation mode of the contact pin and the box cover is convenient and rapid; in addition, the PCB main board and the heat radiating piece are not arranged on the box cover, so that the structure of the box cover is simpler, and the requirement on the box cover is reduced.

Description

Control box subassembly and pump assembly

Technical Field

The utility model belongs to the technical field of the canned motor pump, especially, relate to a control box subassembly and pump composition.

Background

The PCB inside the control box of the existing canned motor pump is generally placed in the terminal box with the front side. Be connected through contact pin and motor, heat radiation module dispels the heat through pasting heat conduction silica gel and lid upper portion aluminium spare.

The control box has the advantages that the length of the contact pin is long, the contact pin is inserted in a blind manner, and the control box is inconvenient to install; the heat dissipation module is higher in cost by pasting heat conduction silicone grease, when the power is larger, a plurality of positions are needed for heat dissipation, and the requirement on the box cover structure is higher and more complex.

Therefore, a control box assembly and a pump assembly are needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a control box subassembly and pump package spare, the structure of lid is simpler, has reduced the requirement to the lid, and the mounting means of contact pin and lid is convenient and fast more, and in addition, the cost of control box subassembly is lower.

To achieve the purpose, the utility model adopts the following technical proposal:

in a first aspect, a control box assembly is provided, comprising:

a control module including a PCB motherboard;

at least a heat dissipation module of the PCB mainboard is attached to the heat dissipation member, and the PCB mainboard is fixedly connected with the heat dissipation member;

the heat dissipation part is arranged on the box body, and heat generated by the PCB main board can be transferred to the box body through the heat dissipation part;

the lid, it detain in on the box body, the lid with the box body encloses to close and is formed with the installation cavity, the PCB mainboard with the heat dissipation piece is located the installation cavity.

As a preferred technical scheme of a control box subassembly, be provided with first heat-conducting layer between the radiating piece and the box body.

As an optimal technical scheme of a control box assembly, the control module further comprises a PCB display board which is arranged in the box cover, and the PCB display board is electrically connected with the PCB main board.

As a preferred technical scheme of a control box subassembly, control module still includes the PCB wiring board, and it sets up in the lid, the PCB wiring board with PCB mainboard electricity is connected.

As an optimal technical scheme of a control box assembly, the PCB display board is electrically connected with the PCB main board through a first wiring harness, and the PCB wiring board is electrically connected with the PCB main board through a second wiring harness.

In a second aspect, a pump assembly is provided, comprising:

the control box assembly as described above;

the box body is fixed on the motor.

As a preferred technical solution of the pump assembly, the pump assembly further comprises:

a heat insulation plate disposed between the motor and the case body.

As a preferred technical scheme of a pump assembly, be provided with the contact pin on the motor, the contact pin wear to locate the heat insulating board, the box body with the heat dissipation piece, and with the terminal of PCB mainboard is connected.

As a preferred technical scheme of a pump assembly, still include the pump, it is connected with the motor transmission, the motor is used for driving the pump operation.

Compared with the prior art, the utility model discloses following beneficial effect has:

at least a heat dissipation module of the PCB mainboard is attached to the heat dissipation part, and the heat dissipation part is arranged on the box body; the heat that the PCB mainboard produced can be transmitted to the box body through heat dissipation module and heat dissipation piece to dispel the heat to the PCB mainboard. The heat dissipation module of the PCB mainboard is attached to the heat dissipation piece, so that heat can be rapidly transferred to the heat dissipation piece, heat conduction silicone grease is not needed, and the cost of the control box assembly is reduced; the PCB main board and the heat radiating piece are arranged on the box body, blind insertion is not needed when the contact pin of the motor is installed, and the installation mode of the contact pin and the box cover is convenient and rapid; in addition, the PCB main board and the heat radiating piece are arranged on the box body instead of the box cover, so that the structure of the box cover is simpler, and the requirement on the box cover is reduced.

Drawings

Fig. 1 is a partial structural sectional view of a pump assembly provided by the present invention;

fig. 2 is the utility model provides a structural schematic diagram of PCB mainboard and radiating piece.

In the figure: 001. a box cover; 002. displaying the PCB; 003. a PCB wiring board; 004. a side cover; 005. a PCB main board; 006. a heat sink; 007. a box body; 008. a second wire harness; 009. a heat insulation plate; 010. a motor; 011. inserting a pin; 012. a first wire harness; 013. and a terminal.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 and 2, the present embodiment discloses a pump assembly including a control box assembly, a motor 010, and a pump.

Wherein, the control box subassembly includes control module, heat-dissipating piece 006, box body 007 and lid 001. The control module comprises a PCB main board 005, a PCB display board 002 and a PCB connecting board.

PCB mainboard 005's at least heat dissipation module laminating in heat-dissipating piece 006, specifically, PCB mainboard 005's heat dissipation module laminating in heat-dissipating piece 006, other modules and mainboard parts of PCB mainboard 005 and heat-dissipating piece 006 interval setting, mainboard part and heat-dissipating piece 006 interval distance are 8 mm.

The heat sink 006 is disposed on the case 007, and the heat sink 006 is specifically a metal heat sink, and more specifically the heat sink 006 is an aluminum plate attached to the inner surface of the case 007. Both the PCB main board 005 and the heat sink 006 are fixed on the box body 007, specifically, in the present embodiment, the heat sink 006 is fixed on the box body 007 by screws, and the PCB main board 005 is fixed on the heat sink 006 by screws; in other embodiments, the PCB main board 005 may be fixed to the case 007 by screws.

Heat generated from the PCB main board 005 can be transferred to the case 007 through the heat sink 006. A heat conduction layer is arranged between the heat sink 006 and the box 007, specifically, a thin (specifically, 0.3mm-0.5mm in thickness) layer of heat conduction silicone grease is coated on the surface of the aluminum plate or the box 007, and the heat conduction silicone grease is cured to form the heat conduction layer. The heat-conducting layer can make and do not have the clearance between the internal surface of aluminum plate and box body 007, and can make the quick transmission of aluminum plate's heat give box body 007, then dispel the heat.

The box cover 001 is buckled on the box body 007, and the box cover 001 and the box body 007 are fixed through screws. Lid 001 and box body 007 enclose to close and are formed with the installation cavity, and PCB mainboard 005 and heat-radiating piece 006 are located the installation cavity, and lid 001 can encapsulate PCB mainboard 005 and heat-radiating piece 006 in the installation cavity.

The PCB display board 002 is arranged in the box cover 001, specifically arranged on the bottom wall inside the box cover 001 and fixed on the box cover 001 through screws. The PCB display 002 is electrically connected to the PCB main board 005, and the two are electrically connected to each other via a first wire harness 012. The first wire harness 012 and the PCB panel 002 may be directly connected by welding or may be connected by a connector, and in this embodiment, the connector is preferably used for connection, which is convenient for disassembly and assembly. Both can direct welded connection between first pencil 012 and the PCB mainboard 005, also can adopt the connector to connect, and preferred connector is connected in this embodiment, the dismouting of being convenient for.

The PCB wiring board 003 is arranged in the box cover 001, and the PCB wiring board 003 is electrically connected with the PCB main board 005. Be provided with the opening on the diapire of lid 001, the inside of lid 001 is provided with the mounting box, and the mounting box is located the open-ended inboard, and PCB wiring board 003 sets up in the mounting box. A side cover 004 is plugged on the opening, and the PCB wiring board 003 can be plugged in the mounting box by the side cover 004. The PCB wiring board 003 is electrically connected to the PCB main board 005 through the second harness 008. Both can direct welded connection between second wire harness 008 and PCB wiring board 003, also can adopt the connector to connect, and the preferred connector is connected in this embodiment, the dismouting of being convenient for. Both can direct welded connection between second pencil 008 and the PCB mainboard 005, also can adopt the connector to connect, preferably connect the connector in this embodiment, the dismouting of being convenient for.

The control box assembly is fixed to the motor 010, and particularly, the box body 007 is fixed to the motor 010. The pump is connected with the motor 010 in a transmission mode, and the motor 010 is used for driving the pump to operate. Specifically, the pump is located at one end of the motor 010 where the output shaft is provided, and the pump is fixed on a housing of the motor 010 and connected with the output shaft through a coupling, or the pump and the motor 010 share one shaft. The control box assembly is arranged at one end of the motor 010, which is far away from the pump, and is mainly used for controlling the operation of the motor 010 so as to control the operation of the pump.

The pump assembly further comprises a heat insulation plate 009 which is arranged between the motor 010 and the box 007, and which can prevent heat generated by the motor 010 from being transferred to the control box assembly, thereby avoiding the control box assembly from being affected by the heat generated by the motor 010.

The motor 010 is provided with a pin 011, the pin 011 penetrates through the heat insulation plate 009, the box body 007, the heat dissipation member 006 and the PCB main board 005 and is then connected with the terminal 013 of the PCB main board 005, and specifically, the pin 011 and the terminal 013 are connected through a screw.

At least a heat dissipation module of the PCB main board 005 is attached to the heat dissipation member 006, and the heat dissipation member 006 is disposed on the case 007; the heat generated by the PCB main board 005 can be transferred to the case 007 through the heat dissipation module and the heat dissipation member 006 to dissipate the heat from the PCB main board 005. The heat dissipation module of the PCB main board 005 is attached to the heat dissipation member 006, so that heat can be rapidly transferred to the heat dissipation member 006 without heat conduction silicone grease, thereby reducing the cost of the control box assembly; the PCB main board 005 and the heat sink 006 are both arranged on the box body 007, blind insertion is not needed when the contact pin 011 of the motor 010 is installed, and the installation modes of the contact pin 011 and the box cover 001 are convenient and rapid; in addition, PCB mainboard 005 and heat sink 006 all set up on box body 007, rather than setting up on lid 001, make the structure of lid 001 simpler, have reduced the requirement to lid 001.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A control box assembly, comprising:

a control module including a PCB main board (005);

the heat dissipation device comprises a heat dissipation member (006), wherein at least a heat dissipation module of the PCB main board (005) is attached to the heat dissipation member (006), and the PCB main board (005) and the heat dissipation member (006) are fixedly connected;

the heat dissipation device comprises a box body (007), wherein the heat dissipation member (006) is arranged on the box body (007), and heat generated by the PCB main board (005) can be transferred to the box body (007) through the heat dissipation member (006);

the box cover (001) is buckled on the box body (007), a mounting cavity is formed by enclosing the box cover (001) and the box body (007), and the PCB main board (005) and the heat radiating piece (006) are located in the mounting cavity.

2. The control box assembly of claim 1, wherein a thermally conductive layer is disposed between the heat sink (006) and the box (007).

3. The control box assembly of claim 1, wherein the control module further comprises a PCB display board (002) disposed within the box cover (001), the PCB display board (002) being electrically connected to the PCB main board (005).

4. The control box assembly of claim 3, wherein the control module further comprises a PCB terminal board (003) disposed within the box cover (001), the PCB terminal board (003) being electrically connected to the PCB main board (005).

5. The control box assembly of claim 4, wherein the PCB display board (002) is electrically connected to the PCB main board (005) by a first wire harness (012), and the PCB wiring board (003) is electrically connected to the PCB main board (005) by a second wire harness (008).

6. A pump assembly, comprising:

the control box assembly of any one of claims 1-5;

the motor (010), box body (007) are fixed on motor (010).

7. The pump assembly of claim 6, further comprising:

a heat shield (009) disposed between the motor (010) and the case (007).

8. The pump assembly according to claim 7, wherein the motor (010) is provided with a pin (011), and the pin (011) penetrates through the thermal shield (009), the box body (007) and the heat sink (006) and is connected with the terminal (013) of the PCB main board (005).

9. The pump assembly according to claim 6, further comprising a pump in driving connection with the motor (010), the motor (010) being adapted to drive the pump to operate.