A water pump control box assembly

Abstract

The utility model provides a water pump control box assembly, which belongs to the field of water pump technology. It solves the problem that the existing control box is easily damaged by mistake. The water pump control box assembly includes a box body and a box cover sleeved on the upper end of the box body. A circuit board and a distributor are arranged in the box body. The circuit board includes a main circuit board and a wiring circuit board connected by wiring. The distributor is electrically connected to the main circuit board. The box cover is composed of a front cover shell and a rear cover shell arranged front and back. The rear end face of the front cover shell is attached to the front end face of the rear cover shell; the rear cover shell is detachably connected to the box body by a first screw, the rear cover shell covers the main circuit board, and the front cover shell covers the distributor and the wiring circuit board at the same time. A through hole is vertically penetrated on the front cover shell, and a second screw is arranged in the through hole. The rod of the second screw is screwed into the box body, and the head of the second screw is pressed tightly against the front cover shell. The water pump control box assembly is not easy to be accidentally damaged.

Description

Technical Field

[0001] The utility model belongs to the technical field of water pumps and relates to a water pump control box, in particular to a water pump control box assembly. Background Art

[0002] The water pump control box assembly is a device that integrates multiple control functions. It is mainly used for the control and protection of the water pump system.

[0003] The existing water pump control box assembly, such as a water pump control box disclosed in the China Patent Library (application number: 201210354027.1), includes a box body and a box cover, the box cover is installed on the box body, and the sides of the box cover are respectively provided with grooves I, and the grooves I cooperate with the box body; a sealing strip is provided between the grooves I and the box body; the box cover is fixedly connected to the box body by screws; a glass sheet is provided on the upper part of the box cover, and a waterproof cover is provided on the glass sheet, and the waterproof cover is connected to the box cover by buckles and fixes the glass sheet; grooves II are provided on the box cover at positions corresponding to the surroundings of the glass sheet; a mounting cover is provided at the lower part of the box cover; a mounting cover is provided at the lower part of the box cover.

[0004] When the above control box is in use, when operations such as power off and wiring need to be performed, the box cover needs to be removed. When the box cover is completely removed, the electronic components in the control box are exposed, posing a risk of accidental injury. Utility Model Content

[0005] The utility model aims to solve the above problems in the prior art and proposes a water pump control box assembly which can reduce the probability of accidental damage.

[0006] The purpose of the utility model can be achieved through the following technical solutions: a water pump control box assembly, including a box body and a box cover sleeved on the upper end of the box body, a wiring hole is penetrated on the front side of the box body, a display screen and function buttons are integrated on the upper side of the box cover, a circuit board and a distributor are arranged in the box body, the circuit board includes a main circuit board and a wiring circuit board connected by wiring, and the wiring circuit board is used to connect external equipment, and the distributor is electrically connected to the main circuit board, characterized in that the box cover is composed of a front cover shell and a rear cover shell arranged front and back, the rear end of the front cover shell and the front end of the rear cover shell are both open, and the rear end face of the front cover shell is attached to the front end face of the rear cover shell; the rear cover shell is detachably connected to the box body by a first screw, the rear cover shell covers the main circuit board, and the above-mentioned display screen and function buttons are all arranged on the rear cover shell; the front cover shell covers the distributor and the wiring circuit board at the same time, a through hole is vertically penetrated on the front cover shell, a second screw is arranged in the through hole, the rod of the second screw is screwed into the box body, and the head of the second screw is pressed tightly on the front cover shell.

[0007] The box cover is divided into a front cover and a rear cover that are installed independently of each other. The rear cover is used to cover the main circuit board, and the front cover covers the distributor and the wiring circuit board at the same time. In this way, when the front cover is removed and the distributor or the wiring circuit board is operated, the main circuit board will always be covered by the rear cover to effectively prevent the main circuit board from being damaged during user operation, thereby greatly reducing the probability of accidental damage to the control box and extending the life of the control box.

[0008] In the above-mentioned water pump control box, the front cover extends backward from its rear end surface to form a guide frame whose shape and size match the inner cavity of the front end of the rear cover, and the guide frame is inserted into the front end of the rear cover. The guide frame is provided not only to support the rear cover, limit the front cover, and enhance the positioning stability of the front cover and the rear cover, but also to extend the sealing path formed between the front cover and the rear cover to enhance the sealing performance.

[0009] In the above-mentioned pump control box assembly, a vertically arranged baffle is provided on the inner side of the bottom wall of the box body, and the length of the baffle extends left and right. The baffle divides the inner cavity of the box body into a front cavity and a rear cavity. The above-mentioned main circuit board is arranged in the rear cavity, and the distributor and the wiring circuit board are arranged in the front cavity; the baffle is arranged opposite to the rear cover, and the baffle has a plurality of wire holes that penetrate from front to back. The baffle separates the distributor and the main circuit board in the front-to-back direction, and the baffle is arranged opposite to the rear cover to further reduce the damage to the main circuit board when the front cover is opened.

[0010] In the above-mentioned pump control box assembly, a partition is formed on the inner wall of the rear cover, the length of the partition extends left and right, and the partition is located directly above the baffle. The baffle and the partition arranged in parallel up and down together form a blocking barrier, which better reduces the damage of the main circuit board when the front cover is opened.

[0011] In the above pump control box assembly, a strip groove is provided on the bottom wall of the partition, the strip groove and the partition have the same length extension direction, and both ends of the strip groove are open, and the upper end of the baffle is inserted into the strip groove. With the above design, the baffle and the partition are partially overlapped, so as to better protect the main circuit board.

[0012] In the above-mentioned pump control box assembly, the axis of the first screw extends up and down; a mounting hole for the first screw rod to pass through is vertically penetrated on the bottom wall of the box body, and an internal threaded tube for the first screw rod to be screwed into is vertically formed on the inner wall of the rear cover, and the head of the first screw is pressed on the bottom of the box body. During actual installation, the bottom of the box body is facing away from the user, and the head of the first screw is set at the bottom of the box body to play a hidden role, making it more difficult for the user to open the rear cover, thereby better protecting the main circuit board.

[0013] In the above pump control box assembly, the rear cover is provided with the above internal threaded tubes around it, and the number of mounting holes, first screws and internal threaded tubes are the same and their positions correspond to each other. The above design can greatly enhance the positioning strength and stability of the rear cover.

[0014] In the above-mentioned pump control box assembly, a cavity is formed at the bottom wall of the box body facing the main circuit board, and a cooling fan is horizontally fixed in the cavity, which can effectively accelerate the heat dissipation of the main circuit board and the entire control box assembly and extend the service life.

[0015] In the above pump control box assembly, a wiring port is provided on the bottom wall of the cavity, and the power line of the cooling fan extends into the box body through the wiring port and is electrically connected to the main circuit board. The cooling fan is directly powered by the main circuit board, which can simplify wiring and facilitate assembly and design.

[0016] In the above-mentioned pump control box assembly, the head of the first screw presses against the bottom wall of the cavity.

[0017] In the above-mentioned pump control box assembly, the concave cavity is strip-shaped and extends forward and backward, and a row of heat sinks are vertically formed on the bottom wall of the concave cavity. The heat sinks extend forward and backward, and the row of heat sinks are arranged at intervals on the left and right. The heat sinks are provided to further accelerate the heat dissipation of the control box.

[0018] Compared with the prior art, the pump control box assembly has the following advantages:

[0019] 1. The box cover is divided into a front cover and a rear cover which are installed independently of each other. The rear cover is used to cover the main circuit board, and the front cover covers the distributor and the wiring circuit board at the same time. In this way, when the front cover is removed and the distributor or wiring circuit board is operated, the main circuit board will always be covered by the rear cover to effectively avoid damage to the main circuit board during user operation, thereby greatly reducing the probability of accidental damage to the control box and extending the life of the control box.

[0020] 2. During actual installation, the bottom of the box body faces away from the user, and the head of the first screw is arranged at the bottom of the box body to play a hidden role, making it more difficult for the user to open the rear cover, thereby better protecting the main circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the water pump control box assembly.

[0022] Figure 2 It is a three-dimensional schematic diagram of the water pump control box assembly in another direction.

[0023] Figure 3 It is a three-dimensional schematic diagram of the water pump control box assembly with the box cover removed.

[0024] Figure 4 It is a cross-sectional schematic diagram of the water pump control box assembly.

[0025] Figure 5 It is a three-dimensional schematic diagram of the box cover.

[0026] In the figure, 1, box body; 1a, baffle; 1b, wire hole; 1c, concave cavity; 1d, heat sink; 2, cable waterproof connector; 3, distributor; 4, main circuit board; 5, wiring circuit board; 6, front cover; 6a, guide frame; 7, rear cover; 7a, display screen; 7b, function keys; 7c, partition; 7c1, strip groove; 7d, internal threaded pipe; 8, first screw; 9, second screw; 10, annular groove; 11, cooling fan. DETAILED DESCRIPTION

[0027] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0028] like Figure 1 As shown, the water pump control box assembly includes a box body 1 and a box cover sleeved on the upper end of the box body 1. In actual products, the box body 1 is a rectangular or square structure, and the box cover is a rectangular or square matching the box body 1.

[0029] in,

[0030] A row of wiring holes is formed on the front side of the box body 1. In actual products, the row of wiring holes is distributed on the left and right, and a cable waterproof connector 2 is installed in each wiring hole.

[0031] A display screen 7a and function keys 7b are integrated on the upper side of the box cover. A circuit board and a distributor 3 are arranged in the box body 1. The circuit board includes a main circuit board 4 and a wiring circuit board 5 connected by wiring. The wiring circuit board 5 is used to connect external devices. The distributor 3 is electrically connected to the main circuit board 4 through wires.

[0032] like Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, the box cover is composed of a front cover shell 6 and a rear cover shell 7 arranged front and back, the rear end of the front cover shell 6 and the front end of the rear cover shell 7 are both open, and the rear end surface of the front cover shell 6 is attached to the front end surface of the rear cover shell 7. Among them, the rear cover shell 7 is detachably connected to the box body 1 by a first screw 8, the rear cover shell 7 covers the main circuit board 4, and the display screen 7a and the function keys 7b are both arranged on the rear cover shell 7; the front cover shell 6 covers the distributor 3 and the wiring circuit board 5 at the same time, and a through hole is vertically penetrated on the front cover shell 6, and a second screw 9 is arranged in the through hole, the rod of the second screw 9 is screwed into the box body 1, and the head of the second screw 9 is pressed tightly on the front cover shell 6.

[0033] The box cover is divided into a front cover shell 6 and a rear cover shell 7 which are installed independently of each other, wherein the rear cover shell 7 is used to cover the main circuit board 4, and the front cover shell 6 covers the distributor 3 and the wiring circuit board 5 at the same time, so that when the front cover shell 6 is removed and the distributor 3 or the wiring circuit board 5 is operated, the main circuit board 4 will always be covered by the rear cover shell 7 to effectively prevent the main circuit board 4 from being damaged during user operation, thereby greatly reducing the probability of accidental damage to the control box and extending the life of the control box.

[0034] Further explanation, such as Figure 4 and Figure 5 As shown, an annular groove 10 matching the upper end of the box body 1 is provided on the bottom wall of the box cover, and the annular groove 10 is surrounded by a front groove body arranged on the bottom wall of the front cover shell 6 and a rear groove body arranged on the bottom wall of the rear cover shell 7. The upper end of the box body 1 is inserted into the annular groove 10 and pressed on the bottom wall of the annular groove 10. The front cover shell 6 extends backward from its rear end surface position to form a guide frame 6a whose shape and size match the front end inner cavity of the rear cover shell 7, and the guide frame 6a is inserted into the front end of the rear cover shell 7. The guide frame 6a is provided not only to support the rear cover shell 7, limit the front cover shell 6, and enhance the positioning stability of the front cover shell 6 and the rear cover shell 7, but also to extend the sealing path formed between the front cover shell 6 and the rear cover shell 7 to enhance the sealing performance.

[0035] like Figure 2 and Figure 3 As shown, the inner side of the bottom wall of the box body 1 has a vertically arranged baffle 1a, and the length of the baffle 1a extends left and right. The baffle 1a divides the inner cavity of the box body 1 into a front cavity and a rear cavity. The above-mentioned main circuit board 4 is arranged in the rear cavity, and the distributor 3 and the wiring circuit board 5 are both arranged in the front cavity; the baffle 1a is arranged opposite to the rear cover 7, and the baffle 1a has a plurality of wire holes 1b that penetrate from front to back. The baffle 1a separates the distributor 3 and the main circuit board 4 in the front-to-back direction, and the baffle 1a is arranged opposite to the rear cover 7 to further reduce the damage to the main circuit board 4 when the front cover 6 is opened.

[0036] Preferably, both ends of the baffle 1a extend to the inner wall of the box body 1; and the plurality of wire holes 1b are arranged on the left and right.

[0037] A partition 7c is formed on the inner wall of the rear cover 7. The partition 7c is extended to the left and right, and the partition 7c is located directly above the baffle 1a. The baffle 1a and the partition 7c arranged in parallel up and down together form a barrier to better reduce the damage to the main circuit board 4 when the front cover 6 is opened. Preferably, a strip groove 7c1 is opened on the bottom wall of the partition 7c. The strip groove 7c1 and the partition 7c have the same length extension direction, and both ends of the strip groove 7c1 are open, and the upper end of the baffle 1a is inserted into the above-mentioned strip groove 7c1. With the above design, the baffle 1a and the partition 7c are partially overlapped, so as to better protect the main circuit board 4.

[0038] In this embodiment,

[0039] The above-mentioned through holes are provided on both the left and right sides of the front cover shell 6. The through holes and the second screws 9 are the same in number and have one-to-one corresponding positions, so as to effectively enhance the positioning strength and stability of the front cover shell 6.

[0040] like Figure 2 , Figure 4 and Figure 5 As shown, the first screw 8 is installed as follows: the axis of the first screw 8 extends up and down; a mounting hole for the rod of the first screw 8 to pass through is vertically penetrated on the bottom wall of the box body 1, and an internal threaded tube 7d for the rod of the first screw 8 to be screwed into is vertically formed on the inner wall of the rear cover 7, and the head of the first screw 8 is pressed on the bottom of the box body 1. During actual installation, the bottom of the box body 1 is facing away from the user, and the head of the first screw 8 is set at the bottom of the box body 1, which plays a hidden role, making it more difficult for the user to open the rear cover 7, thereby better protecting the main circuit board 4. Preferably, the rear cover 7 is surrounded by internal threaded tubes 7d, and the number of mounting holes, first screws 8 and internal threaded tubes 7d is the same and the positions correspond to each other. With the above design, the positioning strength and stability of the rear cover 7 can be greatly enhanced.

[0041] like Figure 2 As shown, a cavity 1c is formed on the bottom wall of the box body 1 facing the main circuit board 4, and a cooling fan 11 is horizontally fixed in the cavity 1c, which can effectively accelerate the heat dissipation of the main circuit board 4 and the entire control box assembly and extend the service life.

[0042] The head of the first screw 8 is pressed against the bottom wall of the cavity 1c. A wiring port is provided on the bottom wall of the cavity 1c, and the power line of the cooling fan 11 extends into the box body 1 through the wiring port and is electrically connected to the main circuit board 4. The cooling fan 11 is directly powered by the main circuit board 4, which can simplify wiring and facilitate assembly and design. In actual products, a cable waterproof connector 2 is also installed in the wiring port.

[0043] Further explanation, the concave cavity 1c is strip-shaped and extends forward and backward, and a row of heat sinks 1d are vertically formed on the bottom wall of the concave cavity 1c. The heat sinks 1d extend forward and backward, and the row of heat sinks 1d are arranged at intervals on the left and right. The heat sinks 1d are provided to further accelerate the heat dissipation of the control box.

[0044] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A water pump control box assembly, comprising a box body (1) and a box cover sleeved on the upper end of the box body (1), the box body (1) having a cable discharge hole extending through the front side, the box cover having an integrated display screen (7a) and function keys (7b) on the upper side, the box body (1) having a circuit board and a distributor (3) arranged in the box body (1), the circuit board comprising a main circuit board (4) and a wiring circuit board (5) connected by a flat cable, the wiring circuit board (5) being used to connect an external device, the distributor (3) being electrically connected to the main circuit board (4), and characterized in that: The box cover is composed of a front cover (6) and a rear cover (7) arranged front and back, the rear end of the front cover (6) and the front end of the rear cover (7) are both open, and the rear end surface of the front cover (6) is attached to the front end surface of the rear cover (7); the rear cover (7) is detachably fixed to the box body (1) by a first screw (8), the rear cover (7) covers the main circuit board (4), and the above-mentioned display screen (7a) and function keys (7b) are both arranged on the rear cover (7); the front cover (6) covers the distributor (3) and the wiring circuit board (5) at the same time, a through hole is vertically penetrated on the front cover (6), a second screw (9) is arranged in the through hole, the rod of the second screw (9) is screwed into the box body (1), and the head of the second screw (9) is tightly pressed on the front cover (6).

2. The water pump control box assembly according to claim 1, characterized in that: The front cover shell (6) extends backward from its rear end surface to form a guide frame (6a) having a shape and size matching the front end inner cavity of the rear cover shell (7), and the guide frame (6a) is inserted into the front end of the rear cover shell (7).

3. The water pump control box assembly according to claim 1 or 2, characterized in that: The inner side of the bottom wall of the box body (1) is provided with a vertically arranged baffle (1a), and the length of the baffle (1a) extends left and right. The baffle (1a) divides the inner cavity of the box body (1) into a front cavity and a rear cavity. The main circuit board (4) is arranged in the rear cavity, and the distributor (3) and the wiring circuit board (5) are both arranged in the front cavity. The baffle (1a) is arranged opposite to the rear cover (7), and the baffle (1a) has a plurality of wire holes (1b) that penetrate from front to back.

4. The water pump control box assembly according to claim 3, characterized in that: A partition plate (7c) is formed on the inner wall of the rear cover shell (7), the partition plate (7c) extends left and right, and the partition plate (7c) is located directly above the baffle plate (1a).

5. The water pump control box assembly according to claim 4, characterized in that: A strip groove (7c1) is provided on the bottom wall of the partition (7c), the strip groove (7c1) and the partition (7c) have the same length extension direction, and both ends of the strip groove (7c1) are open, and the upper end of the baffle (1a) is inserted into the strip groove (7c1).

6. The water pump control box assembly according to claim 1, characterized in that: The axis of the first screw (8) extends up and down; a mounting hole is vertically penetrated on the bottom wall of the box body (1) for the rod of the first screw (8) to pass through; an internal threaded tube (7d) is vertically formed on the inner wall of the rear cover shell (7) for the rod of the first screw (8) to be screwed into, and the head of the first screw (8) is pressed on the bottom of the box body (1).

7. The water pump control box assembly according to claim 6, characterized in that: A concave cavity (1c) is formed at a position of the bottom wall of the box body (1) facing the main circuit board (4), and a cooling fan (11) is horizontally fixed in the concave cavity (1c).

8. The water pump control box assembly according to claim 7, characterized in that: A wiring port is provided on the bottom wall of the cavity (1c), and a power line of the heat dissipation fan (11) extends into the box body (1) through the wiring port and is electrically connected to the main circuit board (4).

9. The water pump control box assembly according to claim 7, characterized in that: The head of the first screw (8) is pressed against the bottom wall of the cavity (1c).

10. The water pump control box assembly according to claim 7, characterized in that: The concave cavity (1c) is strip-shaped and extends forward and backward in length. A row of heat sinks (1d) is vertically formed on the bottom wall of the concave cavity (1c). The heat sinks (1d) extend forward and backward in length, and the row of heat sinks (1d) are arranged at intervals on the left and right.

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