Pre-cooling normal-temperature water pump frequency conversion device

Abstract

The utility model relates to the technical field of water pumps, and discloses a precooling normal-temperature water pump frequency conversion device. The pre-cooling normal-temperature water pump frequency conversion device comprises a protective shell, a temperature detector is fixedly installed at the top of the protective shell, a detection head is fixedly installed at the bottom of the temperature detector, two hinges are fixedly installed on the two sides of one side of the protective shell, one side of each hinge is movably connected with a sealing plate, and the other side of each hinge is movably connected with the corresponding sealing plate. Two supporting frames are fixedly installed on the two sides of the protective shell, an intercepting net is fixedly installed on one side of the interior of each supporting frame, and a guide plate is fixedly installed on the other side of the interior of each supporting frame. According to the utility model, the heat dissipation fan can be supported through the four supporting rods in the mounting frame, and the operation of the heat dissipation fan can drive external air to enter the protection shell after being filtered by the filter screen in the frame, so that heat dissipation processing can be carried out on the frequency converter main body and the driving motor; and the heat dissipation effect and the protection effect of the precooling normal-temperature water pump frequency conversion device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water pumps, in particular to a variable-frequency device for a pre-cooled normal-temperature water pump. Background Technique

[0002] A water pump is a machine that transports liquids or increases the pressure of liquids. It transmits the mechanical energy of the prime mover or other external energy to the liquid, increasing the energy of the liquid. It is mainly used to transport liquids including water, oil, acid-base solutions, emulsions, suspension emulsions, and liquid metals, etc. It can also transport liquid-gas mixtures and liquids containing suspended solids.

[0003] For the existing Chinese utility model patent with the reference publication number: CN215719295U, it discloses a variable-frequency water pump, including: a motor connected to the water pump, the motor is used to provide power for the water pump; a mounting plate connected to the motor, a frequency converter is slidably connected to the mounting plate; a locking member is arranged between the frequency converter and the mounting plate, and the locking member is used to lock the relative position between the frequency converter and the mounting plate. Through the sliding connection between the frequency converter and the mounting plate, the frequency converter is installed on the mounting plate, improving the convenience of installation and disassembly of the frequency converter; by locking the relative position between the frequency converter and the mounting plate through the locking member, the installation stability between the frequency converter and the mounting plate is improved, and by releasing the locking of the frequency converter by the locking member, the disassembly of the frequency converter can be quickly realized, and the operation is convenient.

[0004] The existing pre-cooled normal-temperature water pumps are not convenient for variable-frequency adjustment, and the existing frequency converters have poor heat dissipation effects, which easily lead to too high temperatures. When the equipment temperature is too high, it is easy to cause damage to the equipment, and the power consumption is high during operation at high temperatures, and the existing frequency converters have poor protection effects. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides a variable-frequency device for a pre-cooled normal-temperature water pump, which has the advantages of high protection effect and good heat dissipation effect, and solves the above technical problems.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the present utility model provides the following technical solutions: A pre-cooling and normal temperature water pump frequency conversion device, comprising: a protective shell, a temperature detector is fixedly installed on the top of the protective shell, a detection head is fixedly installed at the bottom of the temperature detector, two hinges are fixedly installed on both sides of one side of the protective shell, a sealing plate is movably connected to one side of the hinge, two support frames are fixedly installed on both sides of the protective shell, the support frame presents a "square" shape, an intercepting net is fixedly installed on one side inside the support frame, a guiding plate is fixedly installed on the other side inside the support frame, a support plate is fixedly installed on one side of the protective shell, the support plate presents a "square" shape, a frame is fixedly installed on one side of the support plate, a filter screen is fixedly installed inside the frame, an installation frame is fixedly installed inside the support plate, the installation frame presents a "field" shape, a support rod is fixedly installed inside the installation frame, the support rod presents a "cross" shape, and a heat dissipation fan is fixedly installed on one side of the support rod.

[0009] As a preferred technical solution of the present utility model, a driving motor is fixedly installed on the inner bottom of the protective shell, and the driving motor is a structure for driving.

[0010] As a preferred technical solution of the present utility model, a frequency converter main body is fixedly installed on one side of the driving motor, and the frequency converter main body is a structure for controlling the driving motor.

[0011] As a preferred technical solution of the present utility model, a support frame is fixedly installed at the bottom of the driving motor, and the support frame is a structure for supporting.

[0012] As a preferred technical solution of the present utility model, a water pump main body is fixedly installed at the bottom of the support frame, a water suction pipe is fixedly installed on one side of the water pump main body, and the water suction pipe is a structure for pumping water.

[0013] As a preferred technical solution of the present utility model, a water outlet pipe is fixedly installed on the other side of the water pump main body, and the water outlet pipe is a structure for discharging water.

[0014] As a preferred technical solution of the present utility model, a constant pressure device is fixedly installed on the top of the water outlet pipe, and the constant pressure device is a structure for constant pressure.

[0015] Compared with the prior art, the present utility model provides a pre-cooling and normal temperature water pump frequency conversion device, which has the following beneficial effects:

[0016] 1. The utility model can support the cooling fan through four support rods inside the installation frame. By the operation of the cooling fan, it can drive the outside air to enter the inside of the protective shell after being filtered by the filter screen in the frame, so as to dissipate heat from the main body of the frequency converter and the drive motor, improve the heat dissipation effect and protection effect of the pre-cooling constant-temperature water pump frequency conversion device, and avoid the problem of excessive power consumption caused by too high equipment temperature.

[0017] 2. The utility model can detect the temperature of the drive motor and the main body of the frequency converter inside the protective shell through the detection head at the bottom of the temperature detector. The protective shell can protect the outside. The interception net inside the support frame can prevent the outside dust and impurities from entering the inside of the protective shell. The guide plate can prevent rainwater from entering the inside of the protective shell, which can play a role in heat dissipation and prevent impurities from entering the inside of the protective shell, and improve the practicability of the pre-cooling constant-temperature water pump frequency conversion device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 is a schematic diagram of the protective shell of the utility model;

[0020] Figure 3 is a schematic diagram of the support plate of the utility model;

[0021] Figure 4 is a schematic diagram of the drive motor of the utility model.

[0022] Wherein: 1. Protective shell; 11. Temperature detector; 12. Detection head; 13. Hinge; 14. Sealing plate; 15. Support frame; 16. Interception net; 17. Guide plate; 2. Support plate; 21. Frame; 22. Filter screen; 23. Installation frame; 24. Support rod; 25. Cooling fan; 3. Drive motor; 31. Main body of the frequency converter; 32. Support frame; 33. Main body of the water pump; 34. Suction pipe; 35. Outlet pipe; 36. Constant pressure device. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following further describes in detail the embodiments of the utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0024] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more; the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and defined, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Please refer to Figure 1 - Figure 4 , in this embodiment, a pre-cooling constant-temperature water pump frequency conversion device includes: a protective shell 1, a temperature detector 11 is fixedly installed on the top of the protective shell 1, a detection head 12 is fixedly installed at the bottom of the temperature detector 11, two hinges 13 are fixedly installed on both sides of one side of the protective shell 1, a sealing plate 14 is movably connected to one side of the hinge 13, two support frames 15 are fixedly installed on both sides of the protective shell 1, the support frame 15 presents a "mouth" shape, an interception net 16 is fixedly installed on one side inside the support frame 15, and a guide plate 17 is fixedly installed on the other side inside the support frame 15.

[0027] Specifically, the protective shell 1 can protect the drive motor 3 and the frequency converter main body 31, the support frame 15 can support the interception net 16 and the guide plate 17, and the interception net 16 can prevent impurities and dust from entering the inside of the protective shell 1.

[0028] One side of the protective shell 1 is fixedly installed with a support plate 2, the support plate 2 presents a "mouth" shape, a frame 21 is fixedly installed on one side of the support plate 2, a filter screen 22 is fixedly installed inside the frame 21, an installation frame 23 is fixedly installed inside the support plate 2, the installation frame 23 presents a "field" shape, a support rod 24 is fixedly installed inside the installation frame 23, the support rod 24 presents a "cross" shape, and a heat dissipation fan 25 is fixedly installed on one side of the support rod 24.

[0029] Specifically, the support rod 24 can be supported by the mounting frame 23. The operation of the heat dissipation fan 25 on one side of the support rod 24 can drive the outside air to enter the interior of the protective shell 1 through the filter screen 22 for heat dissipation after filtration.

[0030] A driving motor 3 is fixedly installed at the inner bottom of the protective shell 1. A frequency converter main body 31 is fixedly installed on one side of the driving motor 3. A support frame 32 is fixedly installed at the bottom of the driving motor 3. A water pump main body 33 is fixedly installed at the bottom of the support frame 32. A water suction pipe 34 is fixedly installed on one side of the water pump main body 33. A water outlet pipe 35 is fixedly installed on the other side of the water pump main body 33. A constant pressure device 36 is fixedly installed at the top of the water outlet pipe 35.

[0031] Specifically, the driving motor 3 can be adjusted by the frequency converter main body 31. The driving motor 3 and the frequency converter main body 31 can be supported by the support frame 32. Water can be pumped through the water suction pipe 34. Water can be discharged through the water outlet pipe 35. The water outlet can be made to have a constant pressure through the constant pressure device 36.

[0032] During use, first, the operation of the frequency converter main body 31 can control the operation of the driving motor 3. The frequency of the pre-cooling normal temperature water pump frequency conversion device can be adjusted by the frequency converter main body 31, improving the practicability and convenience of the pre-cooling normal temperature water pump frequency conversion device. The driving motor 3 and the frequency converter main body 31 can be supported by the support frame 32. Water treatment can be carried out through the water suction pipe 34. Water can be discharged through the water outlet pipe 35. The water outlet pipe 35 can be made to discharge water with a constant pressure through the constant pressure device 36, improving the practicability of the pre-cooling normal temperature water pump frequency conversion device. The driving motor 3 and the frequency converter main body 31 can be protected by the protective shell 1, avoiding the problem of explosion caused by dust contacting the frequency converter main body 31 and the driving motor 3, improving the protection effect of the pre-cooling normal temperature water pump frequency conversion device. The intercepting net 16 and the guide plate 17 can be supported by the support frame 15. The intercepting net 16 can prevent impurities and dust from entering the interior of the protective shell 1. The guide plate 17 can guide the rainwater from the outside, avoiding the problem of water ingress and damage to the frequency converter main body 31 and the driving motor 3, improving the protection effect of the pre-cooling normal temperature water pump frequency conversion device. The flipping of the hinge 13 can drive the sealing plate 14 to flip, thereby opening the protective shell 1 for easy adjustment of the frequency converter main body 31, improving the practicability of the pre-cooling normal temperature water pump frequency conversion device. The support rod 24 can be supported by the mounting frame 23. The operation of the heat dissipation fan 25 on one side of the support rod 24 can drive the outside air to enter the interior of the protective shell 1 through the filter screen 22 in the middle of the frame 21 for heat dissipation after filtration. The filter screen 22 in the middle of the frame 21 can filter the dust and impurities in the air and is supported by the support plate 2, improving the protection effect and practicability of the pre-cooling normal temperature water pump frequency conversion device.

[0033] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A pre-cooling and normal-temperature water pump frequency conversion device, characterized in that, The pre-cooling and normal-temperature water pump frequency conversion device includes a protective shell (1). A temperature detector (11) is fixedly installed at the top of the protective shell (1). A detection head (12) is fixedly installed at the bottom of the temperature detector (11). Two hinges (13) are fixedly installed on both sides of one side of the protective shell (1). A sealing plate (14) is movably connected to one side of the hinge (13). Two support frames (15) are fixedly installed on both sides of the protective shell (1). The support frame (15) is in the shape of a "square". An intercepting net (16) is fixedly installed on one side inside the support frame (15). A guide plate (17) is fixedly installed on the other side inside the support frame (15). A support plate (2) is fixedly installed on one side of the protective shell (1). The support plate (2) is in the shape of a "square". A frame (21) is fixedly installed on one side of the support plate (2). A filter screen (22) is fixedly installed inside the frame (21). An installation frame (23) is fixedly installed inside the support plate (2). The installation frame (23) is in the shape of a "field". A support rod (24) is fixedly installed inside the installation frame (23). The support rod (24) is in the shape of a "cross". A heat dissipation fan (25) is fixedly installed on one side of the support rod (24).

2. The variable frequency device for a pre-cooled normal temperature water pump according to claim 1, wherein: A driving motor (3) is fixedly installed at the bottom inside the protective shell (1).

3. The variable frequency device for a pre-cooled normal temperature water pump according to claim 2, characterized in that: A frequency converter main body (31) is fixedly installed on one side of the driving motor (3).

4. A pre-cooling constant temperature water pump frequency conversion device according to claim 3, characterized in that: A support frame (32) is fixedly installed at the bottom of the driving motor (3).

5. The variable frequency device for a pre-cooled normal temperature water pump according to claim 4, characterized in that: A water pump main body (33) is fixedly installed at the bottom of the support frame (32). A water suction pipe (34) is fixedly installed on one side of the water pump main body (33).

6. The pre-cooling and normal-temperature water pump frequency conversion device according to claim 5, characterized in that: A water outlet pipe (35) is fixedly installed on the other side of the water pump main body (33).

7. The variable frequency device for a pre-cooled normal temperature water pump according to claim 6, characterized in that: A constant pressure device (36) is fixedly installed at the top of the water outlet pipe (35).

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