Digital variable frequency pump

Abstract

The utility model discloses a digital variable frequency pump, and belongs to the technical field of variable frequency pump devices of water supply facilities. The device comprises a water pump mechanism and a wiping mechanism, the wiping mechanism is fixedly connected with the water pump mechanism, the wiping mechanism comprises a transmission case, a motor is fixedly connected to the back face of the inner wall of the transmission case, a driving wheel is fixedly connected to the output end of the motor, and a belt assembly is in transmission connection with the surface of the driving wheel. The back face of the inner wall of the transmission box is movably connected with a driven wheel through a rotating shaft, the outer side of the driven wheel is attached to the inner side of the belt assembly, and the back face of the inner wall of the transmission box is fixedly connected with a limiting sliding rail. By arranging the wiping mechanism, the display screen of the variable frequency pump can be wiped when the variable frequency pump carries out water pumping operation, it is guaranteed that a worker can clearly receive information displayed on the display screen, and the situation that the worker cannot visually collect information due to the fact that pollutants are sputtered to the display screen in the working process is avoided; and the accuracy of working data is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of variable frequency pump devices for water supply facilities, in particular to a digital variable frequency pump. Background Art

[0002] According to the patents published on the China Patent Network, the patent name is: A digital integrated Internet of Things permanent magnet variable frequency pump, and the patent number is: 202123085120.0. The utility model discloses a digital integrated Internet of Things permanent magnet variable frequency pump, including a permanent magnet motor, the left outer wall of the permanent magnet motor is fixedly connected with a liquid crystal all-Chinese controller, and the permanent magnet motor has a coil temperature sensor embedded inside, the motor and the water pump are connected to the shaft end with a vibration and temperature sensor, the water pump inlet is equipped with a flow sensor, and the water outlet and the water inlet are respectively equipped with pressure sensors. The controller also retains three-way digital switch quantity interface and two-way analog quantity interface to provide secondary development. The utility model uses 485 communication technology to collect the above-mentioned probes and sensors in real time and feed them back to the liquid crystal all-Chinese controller, and compares and analyzes the statistics through preset standard values. When the data comparison is abnormal, the liquid crystal all-Chinese controller controls the alarm to light up, and uploads real-time data and alarm information to the Internet of Things platform to realize remote monitoring, thereby facilitating the staff to locate and repair, so that the water pump has an early warning function. The LCD screen of the above-mentioned digital frequency conversion pump may be contaminated during operation, resulting in unclear display, which affects the information collection of the staff.

[0003] Therefore, it is necessary to redesign the digital frequency conversion pump to effectively prevent its LCD screen from being contaminated and causing unclear viewing. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a digital variable frequency pump, which has the advantage of fast cleaning and solves the problem of unclear contents due to contamination.

[0005] The utility model provides the following technical solution: a digital variable frequency pump, comprising:

[0006] Water pump mechanism;

[0007] The wiping mechanism is fixedly connected to the water pump mechanism, and the wiping mechanism includes a transmission box, the back side of the inner wall of the transmission box is fixedly connected to a motor, the output end of the motor is fixedly connected to a driving wheel, the surface of the driving wheel is transmission-connected to a belt assembly, the back side of the inner wall of the transmission box is movably connected to a driven wheel through a rotating shaft, the outer side of the driven wheel is fitted with the inner side of the belt assembly, the back side of the inner wall of the transmission box is fixedly connected to a limiting slide rail, the right side of the inner wall of the limiting slide rail is fixedly connected to a spring assembly, a transmission rod is slidably connected to the inside of the limiting slide rail and on the left side of the spring assembly, the bottom of the transmission rod extends to the outside of the transmission box, the inner side of the transmission rod is fixedly connected to the belt assembly through a round shaft, and the back side of the transmission rod is fixedly connected to a cleaning sponge.

[0008] The beneficial effects of the utility model are as follows:

[0009] 1. The utility model is provided with a wiping mechanism, so that the display screen of the variable frequency pump can be wiped when the variable frequency pump is performing a pumping operation, thereby ensuring that the staff can clearly receive the information displayed on the display screen, avoiding the situation in which the staff cannot intuitively collect information due to contaminants splashing onto the display screen during the work process, and ensuring the accuracy of the work data.

[0010] 2. The utility model changes the speed of the electric motor by adjusting the power supply frequency of the electric motor through the setting of the water pump mechanism, thereby realizing the regulation of the water pump performance. The traditional fixed-frequency water pump usually runs at full load during operation and cannot be flexibly adjusted according to actual needs. The digital variable frequency pump can adjust the speed of the electric motor in real time according to the changes in flow and pressure requirements, so that the working point of the water pump is within the optimal efficiency range. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model.

[0012] Figure 2 This is a structural diagram of the water pump mechanism of the utility model.

[0013] Figure 3 This is a front cross-sectional view of the wiping mechanism of the utility model.

[0014] Figure 4 It is a side view of the local structure of the utility model. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0016] like Figures 1 to 4As shown, the digital frequency conversion pump of this embodiment includes a water pump mechanism 1 and a wiping mechanism 2, the wiping mechanism 2 is fixedly connected to the water pump mechanism 1, the wiping mechanism 2 includes a transmission box 21, the back of the inner wall of the transmission box 21 is fixedly connected with a motor 22, the output end of the motor 22 is fixedly connected with a driving wheel 23, the surface of the driving wheel 23 is transmission-connected with a belt assembly 24, the back of the inner wall of the transmission box 21 is movably connected with a driven wheel 25 through a rotating shaft, the outer side of the driven wheel 25 is fitted with the inner side of the belt assembly 24, the back of the inner wall of the transmission box 21 is fixedly connected with a limiting slide rail 26, the right side of the inner wall of the limiting slide rail 26 is fixedly connected with a spring assembly 27, the inside of the limiting slide rail 26 and the left side of the spring assembly 27 are slidably connected with a transmission rod 28, the bottom of the transmission rod 28 extends to the outside of the transmission box 21, the inner side of the transmission rod 28 is fixedly connected with the belt assembly 24 through a round shaft, and the back of the transmission rod 28 is fixedly connected with a cleaning sponge 29.

[0017] refer to Figure 2 The water pump mechanism 1 includes a pump body 11, a suction port 12 is fixedly connected to the bottom of the pump body 11, a smart box 13 is fixedly connected to the top of the pump body 11, a display screen 14 is fixedly connected to the front of the smart box 13, the front of the display screen 14 is in contact with the back of the cleaning sponge 29, the front of the smart box 13 is fixedly connected to the back of the transmission box 21, and the right side of the smart box 13 is fixedly connected to a power source 15.

[0018] This embodiment adjusts the performance of the water pump by setting the water pump mechanism 1 and adjusting the power supply frequency of the electric motor to change the speed of the electric motor. Traditional fixed-frequency water pumps usually run at full load and cannot be flexibly adjusted according to actual needs. The digital variable frequency pump can adjust the speed of the electric motor in real time according to changes in flow and pressure requirements, so that the working point of the water pump is within the optimal efficiency range.

[0019] refer to Figure 3 Both sides of the motor 22 are fixedly connected with reinforcement brackets 3, and the top of the reinforcement bracket 3 is fixedly connected to the inner wall of the transmission box 21.

[0020] This embodiment can reinforce the motor 22 by setting the reinforcement bracket 3, strengthen the connection between the motor 22 and the transmission box 21, avoid the motor 22 from being displaced or separated during long-term operation, and effectively protect the integrity of the structure.

[0021] refer to Figure 3 A reinforcing plate 4 is fixedly connected to the back of the inner wall of the transmission box 21 , and the reinforcing plate 4 is arranged correspondingly to the smart box 13 .

[0022] This embodiment can reinforce the transmission box 21 by setting the reinforcement plate 4, enhance the stability of the connection between the transmission box 21 and the smart box 13, avoid the separation of the two during long-term operation, ensure the long-term stable operation of the structure, and extend the service life of the structure.

[0023] refer to Figure 3 Both sides of the limiting slide rail 26 are fixedly connected with connecting plates 5, and the connecting plates 5 are fixedly connected to the inner wall of the transmission box 21.

[0024] By setting the connecting plate 5, this embodiment can reinforce the limiting slide rail 26, strengthen the connectivity between the limiting slide rail 26 and the transmission box 21, ensure that the limiting slide rail 26 can be stably fixed in a specified position, effectively protect the integrity of the structure, and extend the service life of the structure.

[0025] refer to Figure 3 The left side of the inner wall of the limiting slide rail 26 is fixedly connected with an anti-collision pad 6, and the anti-collision pad 6 is arranged correspondingly to the transmission rod 28.

[0026] The anti-collision pad 6 of this embodiment can protect the limiting slide rail 26, reduce the friction force on the limiting slide rail 26, avoid structural damage of the limiting slide rail 26 due to excessive wear during long-term operation, and effectively extend the service life of the structure.

[0027] The utility model uses a motor 22 in a transmission box 21, and the output end of the motor 22 drives a driving wheel 23 to rotate. The driving wheel 23 pulls a transmission rod 28 to move through a belt assembly 24, and the transmission rod 28 drives a cleaning sponge 29 to move to wipe the display screen 14, thereby ensuring that the staff can clearly collect information.

Claims

1. A digital variable frequency pump, characterized in that: The digital variable frequency pump comprises: Water pump mechanism (1); The wiping mechanism (2) is fixedly connected to the water pump mechanism (1), and the wiping mechanism (2) comprises a transmission box (21), the back side of the inner wall of the transmission box (21) is fixedly connected to a motor (22), the output end of the motor (22) is fixedly connected to a driving wheel (23), the surface of the driving wheel (23) is drivingly connected to a belt assembly (24), the back side of the inner wall of the transmission box (21) is movably connected to a driven wheel (25) via a rotating shaft, the outer side of the driven wheel (25) is connected to the inner side of the belt assembly (24) The transmission box (21) is fitted with a limited slide rail (26) fixedly connected to the back of the inner wall of the transmission box (21), a spring assembly (27) is fixedly connected to the right side of the inner wall of the limited slide rail (26), a transmission rod (28) is slidably connected inside the limited slide rail (26) and located on the left side of the spring assembly (27), the bottom of the transmission rod (28) extends to the outside of the transmission box (21), the inner side of the transmission rod (28) is fixedly connected to the belt assembly (24) through a round shaft, and a cleaning sponge (29) is fixedly connected to the back of the transmission rod (28).

2. A digital variable frequency pump according to claim 1, characterized in that: The water pump mechanism (1) comprises a pump body (11), the bottom of the pump body (11) is fixedly connected to a suction port (12), the top of the pump body (11) is fixedly connected to a smart box (13), the front of the smart box (13) is fixedly connected to a display screen (14), the front of the display screen (14) is in contact with the back of a cleaning sponge (28), the front of the smart box (13) is fixedly connected to the back of a transmission box (21), and the right side of the smart box (13) is fixedly connected to a power source (15).

3. A digital variable frequency pump according to claim 2, characterized in that: Both sides of the motor (22) are fixedly connected with reinforcement brackets (3), and the top of the reinforcement bracket (3) is fixedly connected to the inner wall of the transmission box (21).

4. A digital variable frequency pump according to claim 3, characterized in that: A reinforcing plate (4) is fixedly connected to the back side of the inner wall of the transmission box (21), and the reinforcing plate (4) is arranged in correspondence with the smart box (13).

5. A digital variable frequency pump according to claim 4, characterized in that: Both sides of the position-limiting slide rail (26) are fixedly connected with connecting plates (5), and the connecting plates (5) are fixedly connected to the inner wall of the transmission box (21).

6. A digital variable frequency pump according to claim 1, 2 or 5, characterized in that: An anti-collision pad (6) is fixedly connected to the left side of the inner wall of the position-limiting slide rail (26), and the anti-collision pad (6) is arranged in correspondence with the transmission rod (28).

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