Differential compensation type full-frequency-conversion water supply equipment

By using buffer pads and sliding column structures in differential compensation full frequency water supply equipment to absorb vibration and noise caused by speed differences, and by precisely adjusting the water flow rate through the regulating mechanism, the vibration and noise problems caused by speed mismatch are solved, achieving stable operation and efficient water supply of the equipment.

CN223594349UActive Publication Date: 2025-11-25MONOT PUMP (GRP) CO LTD
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Patent Information

Application Number
CN202520068411.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-11-25
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Existing differential compensation full frequency conversion water supply equipment suffers from vibration and noise problems due to the mismatch between the pump and motor speeds when the rotational speed changes, affecting the equipment's stability and lifespan.

Method used

By setting a buffer pad between the connecting shafts, the elastic deformation of the pad absorbs the force generated by the difference in rotation speed. Combined with the sliding column sliding in the sliding groove, it buffers vibration and noise. The water flow rate is precisely adjusted by the adjustment mechanism.

Benefits of technology

It effectively reduces vibration and noise during equipment operation, improves operating comfort and water supply stability, and enhances the stable operation and water supply efficiency of the equipment under various working conditions.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides differential compensation type full-frequency-conversion water supply equipment which comprises a base, the top end of the base is fixedly connected with a pump body, the top end of the pump body is provided with a stabilizing mechanism used for reducing vibration and noise, the outer portion of the pump body is provided with an adjusting mechanism used for adjusting water flow, and the pump body is provided with a water inlet and a water outlet. A driving mechanism for driving the adjusting mechanism is arranged outside the adjusting mechanism; the stabilizing mechanism comprises a fixing frame, the bottom end of the fixing frame is fixedly connected to the top end of the pump body, the top end of the fixing frame is rotationally connected with a first connecting shaft, and the top end of the first connecting shaft is rotationally connected with a second connecting shaft. According to the utility model, the elastic deformation is used for absorbing and buffering the force generated by the difference of rotating speeds, so that the vibration and noise generated during the operation of the equipment are effectively reduced, the comfort of the operation of the equipment is greatly improved, and the stable operation of the equipment under various working conditions is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water supply equipment technical field especially, relates to a difference compensation formula full variable frequency water supply equipment. BACKGROUND

[0002] Traditional constant speed pump water supply energy consumption is high, often through the valve energy consumption, poor water supply stability, equipment is also easy to wear and tear, ordinary frequency conversion pump can adjust speed, but the regulation precision is limited, response lag, it is difficult to deal with complex working conditions, at the moment, the wisdom city rises, and the water supply system urgently needs intelligent upgrading to realize automation and fine management, under this background, the difference compensation formula full variable frequency water supply equipment arises at the historic moment, and many problems are solved by means of big data optimization control.

[0003] The difference compensation formula full variable frequency water supply equipment is mainly composed of a water pump unit, a frequency conversion control cabinet, a pressure sensor, a difference compensation device, a pressure stabilizing tank and a pipeline valve system, when working, the pressure sensor monitors the water pressure of the pipe network at any time, and transmits the data to the frequency conversion control cabinet, so that the water pump speed is lowered to save energy when the water consumption is low, and the water pump is accelerated immediately when the water pressure drops during the water peak, and if the flow rate changes suddenly, the difference compensation device quickly calculates the water flow difference, and the water pump combination is accurately allocated to supplement the water pressure impact of the pressure stabilizing tank, so that the water supply is stable and uninterrupted.

[0004] In the running process of the present difference compensation formula full variable frequency water supply equipment, when the water pump changes the speed, due to the mechanical characteristics of the water pump itself and the change of external load and other factors, the speed of the water pump and the speed of the motor are difficult to completely correspond, the emergence of this speed non-corresponding situation will produce larger vibration and noise problem, not only affect the stability and comfort of equipment operation, long-term will also cause additional wear and tear to the parts of the equipment, shorten the service life of the equipment, therefore, a difference compensation formula full variable frequency water supply equipment is proposed to solve the above problems. Utility model content

[0005] The utility model discloses a kind of difference compensation formula full variable frequency water supply equipment, sliding column will be in contact with the buffer pad in connecting shaft two, buffer pad will be elastically deformed due to extrusion of sliding column, the force generated due to speed difference is absorbed and buffered by this elastic deformation, to effectively reduce the vibration and noise generated when equipment operates.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of differential compensation type full frequency water supply equipment, including base, the top of the base is fixedly connected with pump body, the top of the pump body is provided with stabilizing mechanism for reducing vibration and noise, the outside of the pump body is provided with adjusting mechanism for adjusting water flow flow, the outside of the adjusting mechanism is provided with driving mechanism for driving adjusting mechanism;

[0008] The stabilizing mechanism includes a fixed frame, the bottom end of the fixed frame is fixedly connected to the top of the pump body, the top of the fixed frame is rotatably connected with a connecting shaft one, the top of the connecting shaft one is rotatably connected with a connecting shaft two, the inside of the connecting shaft one and the connecting shaft two are both provided with a plurality of sliding grooves, the inside of a plurality of sliding grooves is fixedly connected with a buffer pad, a plurality of sliding grooves are slidably connected with a sliding column, the outside of the sliding column is in contact with the outside of the buffer pad, the top of the connecting shaft two is fixedly connected with a drive shaft, and the top of the drive shaft is fixedly connected with a motor one;

[0009] As further description of the above technical solutions:

[0010] The outside of the drive shaft is rotatably connected in the inside of the fixed frame, and the outside of the motor one is fixedly connected to the top of the fixed frame.

[0011] As further description of the above technical solutions:

[0012] The adjusting mechanism includes a connecting pipe, the front end of the connecting pipe is fixedly connected to the rear end of the pump body, the inside of the connecting pipe is fixedly connected with a limiting ring, the inside of the limiting ring is slidably connected with an adjusting block, the outside of the adjusting block is provided with a hole, and the rear end of the adjusting block is rotatably connected with a connecting rod.

[0013] As further description of the above technical solutions:

[0014] The driving mechanism includes a rotating column, the bottom end of the rotating column is rotatably connected to the top of the connecting rod, the top of the rotating column is fixedly connected with a rotating disc, and the top of the rotating disc is fixedly connected with a motor two.

[0015] As further description of the above technical solutions:

[0016] The shape of the hole is triangular, and the outside of the motor two is fixedly connected to the top of the connecting pipe.

[0017] As further description of the above technical solutions:

[0018] The top of the rotating disc is rotatably connected in the inside of the connecting pipe, and the outside of the adjusting block is arc-shaped.

[0019] As further description of the above technical solutions:

[0020] The rear end of the connecting pipe is fixedly connected with a liquid outlet pipe, and the front end of the pump body is fixedly connected with a liquid inlet pipe.

[0021] As a further description of the above technical solution:

[0022] The rear end of the liquid outlet pipe is fixedly connected with a storage tank, and the bottom end of the storage tank is fixedly connected to the top end of the base.

[0023] The beneficial effects of the present utility model are as follows:

[0024] (1) The utility model discloses a differential speed difference between motor one and the pump body, and the interaction force between connecting shaft two and connecting shaft one will be generated due to the speed difference, at this time, the sliding column will slide in the sliding groove, when the rotating speed is improved, the sliding column will contact the buffer pad in connecting shaft two, and when the rotating speed is reduced, the sliding column will contact the buffer pad in connecting shaft one, the buffer pad will be elastically deformed due to the extrusion of the sliding column, and the force generated due to the speed difference is absorbed and buffered through the elastic deformation, thereby effectively reducing the vibration and noise generated during equipment operation, greatly improving the comfort of equipment operation, and ensuring that the equipment can stably operate under various working conditions.

[0025] (2) The utility model discloses a differential speed difference between motor one and the pump body, and the interaction force between connecting shaft two and connecting shaft one will be generated due to the speed difference, at this time, the sliding column will slide in the sliding groove, when the rotating speed is improved, the sliding column will contact the buffer pad in connecting shaft two, and when the rotating speed is reduced, the sliding column will contact the buffer pad in connecting shaft one, the buffer pad will be elastically deformed due to the extrusion of the sliding column, and the force generated due to the speed difference is absorbed and buffered through the elastic deformation, thereby effectively reducing the vibration and noise generated during equipment operation, greatly improving the comfort of equipment operation, and ensuring that the equipment can stably operate under various working conditions.

[0026] In summary, the utility model has the advantages of shock absorption, noise reduction and convenient flow control. ACCURATE DESCRIPTION

[0027] Figure 1 A three-dimensional schematic view of a differential compensation type full variable frequency water supply equipment is provided for the utility model;

[0028] Figure 2 A structure schematic view of a fixing frame of the differential compensation type full variable frequency water supply equipment is provided for the utility model;

[0029] Figure 3 For Figure 2 An enlarged view of A in the middle;

[0030] Figure 4 For Figure 2 An enlarged view of B in the middle. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0033] Example 1

[0034] like Figures 1 to 3 As shown, this embodiment provides a differential compensation type full frequency conversion water supply device, including a base 1. A pump body 2 is fixedly connected to the top of the base 1. The base 1 provides a stable support foundation for the entire device, ensuring that the pump body 2 will not be displaced due to vibration during operation, thus ensuring the safe and stable operation of the device. A stabilizing mechanism for reducing vibration and noise is provided at the top of the pump body 2. Vibration and noise are unavoidable problems during the operation of water supply equipment. The stabilizing mechanism can effectively alleviate this problem and improve the user experience of the device. An adjustment mechanism for regulating the water flow rate is provided on the outside of the pump body 2. Through the adjustment mechanism, the water flow rate can be flexibly controlled according to the actual water demand, ensuring the accuracy and stability of the water supply. A drive mechanism for driving the adjustment mechanism is provided on the outside of the adjustment mechanism. The drive mechanism provides a power source for the adjustment mechanism, enabling it to accurately perform flow regulation operations.

[0035] The stabilizing mechanism comprises a fixed frame 3, the bottom end of which is fixedly connected to the top end of the pump body 2, the fixed frame 3 serving as the base support structure of the stabilizing mechanism and being firmly connected to the pump body 2, the top end of the fixed frame 3 being rotatably connected to a connecting shaft I 4, the top end of the connecting shaft I 4 being rotatably connected to a connecting shaft II 8, the connecting shaft I 4 and the connecting shaft II 8 being relatively rotatable in a rotating manner during the operation of the device, so as to adapt to the rotation of the driving shaft 9 of the motor I 10, and ensure smooth power transmission, the inside of the connecting shaft I 4 and the connecting shaft II 8 being provided with a plurality of sliding grooves 5, the inside of the plurality of sliding grooves 5 being fixedly connected to a plurality of buffer pads 7, the sliding grooves 5 providing sliding space for the sliding columns 6, and the buffer pads 7 being capable of buffering when the sliding columns 6 slide, so as to reduce the impact force caused by the change in the rotating speed;

[0036] The inside of the plurality of sliding grooves 5 is slidably connected to the sliding columns 6, the outside of the sliding columns 6 being in contact with the outside of the buffer pads 7, when the rotating speed of the device changes, the sliding columns 6 will slide in the sliding grooves 5 and be in contact with the buffer pads 7, the buffer pads 7 absorbing the impact force through their elastic deformation, the top end of the connecting shaft II 8 being fixedly connected to the driving shaft 9, the top end of the driving shaft 9 being fixedly connected to the motor I 10, the outside of the driving shaft 9 being rotatably connected to the inside of the fixed frame 3, the outside of the motor I 10 being fixedly connected to the top end of the fixed frame 3, the motor I 10 serving as the power source and transmitting power to the pump body 2 through the driving shaft 9, so as to control the rotating speed of the pump body 2 and further adjust the water supply, in this process, the stabilizing mechanism can effectively reduce the vibration and noise caused by the change in the rotating speed of the motor I 10.

[0037] Embodiment Two

[0038] As shown in Figure 1 , Figure 2 and Figure 4 , wherein the same or corresponding parts as in Embodiment One are denoted by the same reference numerals as in Embodiment One, for the sake of simplicity, only the differences from Embodiment One will be described below. The difference between this embodiment and Embodiment One is that the adjusting mechanism comprises a connecting pipe 12, the front end of the connecting pipe 12 being fixedly connected to the rear end of the pump body 2, the connecting pipe 12 serving as a water flow channel and guiding the water output by the pump body 2 to the subsequent adjusting components, so as to ensure smooth transmission of the water flow, the inside of the connecting pipe 12 being fixedly connected to a limiting ring 13, the inside of the limiting ring 13 being slidably connected to an adjusting block 14, the limiting ring 13 providing a track and limitation for the sliding of the adjusting block 14, so as to ensure that the adjusting block 14 can move in a predetermined manner when adjusting the water flow, the outside of the adjusting block 14 being provided with a hole 15, the rear end of the adjusting block 14 being rotatably connected to a connecting rod 16, the shape and size of the hole 15 directly affecting the flow rate of the water flow, and the connecting rod 16 being capable of transmitting the power of the driving mechanism to the adjusting block 14, so that the adjusting block 14 can move to adjust the water flow;

[0039] The driving mechanism comprises a rotating column 17, the bottom end of the rotating column 17 is rotatably connected to the top end of the connecting rod 16, the top end of the rotating column 17 is fixedly connected with a rotating disc 18, the top end of the rotating disc 18 is fixedly connected with a motor two 19, the motor two 19 drives the rotating disc 18 to rotate, the rotating disc 18 drives the rotating column 17 to rotate, and then the connecting rod 16 drives the adjusting block 14 to move, so that the flow of the water flow is adjusted, the shape of the hole 15 is triangular, the motor two 19 is fixedly connected to the top end of the connecting pipe 12, the top end of the rotating disc 18 is rotatably connected to the inside of the connecting pipe 12, the outside of the adjusting block 14 is arc-shaped, the rear end of the connecting pipe 12 is fixedly connected with a liquid outlet pipe 20, the front end of the pump body 2 is fixedly connected with a liquid inlet pipe 11, the rear end of the liquid outlet pipe 20 is fixedly connected with a storage tank 21, the bottom end of the storage tank 21 is fixedly connected to the top end of the base 1, the liquid inlet pipe 11 is used to introduce water source, the water flow enters the connecting pipe 12 after being pressurized by the pump body 2, and then the water flow is stored in the storage tank 21 after the flow is adjusted by the adjusting mechanism, the storage tank 21 can provide additional water during the peak period of water use, so that the stability of water supply is guaranteed, and meanwhile, the storage tank 21 can store excessive water during the trough period of water use, so that the water pump is prevented from frequently starting and stopping.

[0040] Working steps

[0041] When the water supply device is in use, the motor one 10 drives the driving shaft 9 to rotate, so that the rotating speed of the pump body 2 is adjusted, the water supply amount is adjusted, when the motor one 10 increases the rotating speed and reduces the rotating speed, the outside of the sliding column 6 slides in the inside of the sliding groove 5, so that the sliding column 6 is in contact with the buffer pad 7 in the inside of the connecting shaft two 8 and the connecting shaft one 4 respectively when the rotating speed is increased and reduced, the elastic deformation of the buffer pad 7 reduces the force generated by the connecting shaft two 8 and the connecting shaft one 4 due to the rotating speed difference, so that the vibration and noise during the operation of the equipment are reduced, and the operation comfort is improved.

[0042] When the water flow enters the inside of the storage tank 21 through the connecting pipe 12 and the liquid outlet pipe 20, the motor two 19 can be started, the motor two 19 drives the rotating disc 18 to rotate, so that the rotating column 17 drives the connecting rod 16 to rotate, the adjusting block 14 slides in the inside of the limiting ring 13 through the movement of the position of the connecting rod 16, so that the limiting ring 13 changes the shielding range of the hole 15, and finally the flow of the water flow is adjusted, which is helpful to stabilize the working state of the water pump, especially in the multi-pump parallel device, each water pump is provided with an independent flow regulating valve, the flow distribution between the multiple water pumps can be coordinated, the situation that some water pumps are overloaded and other water pumps are idle is avoided, and the overall water supply efficiency is improved.

[0043] The above merely describes a preferred embodiment of the utility model and is not intended to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A differential compensation type full-conversion water supply apparatus including a base (1), characterized in that, The top end of the base (1) is fixedly connected with a pump body (2), the top end of the pump body (2) is provided with a stabilizing mechanism for reducing vibration and noise, the outside of the pump body (2) is provided with an adjusting mechanism for adjusting the flow of water flow, and the outside of the adjusting mechanism is provided with a driving mechanism for driving the adjusting mechanism. The stabilizing mechanism comprises a fixing frame (3), the bottom end of the fixing frame (3) is fixedly connected to the top end of the pump body (2), the top end of the fixing frame (3) is rotatably connected with a connecting shaft one (4), the top end of the connecting shaft one (4) is rotatably connected with a connecting shaft two (8), a plurality of sliding grooves (5) are formed in the interiors of the connecting shaft one (4) and the connecting shaft two (8), a plurality of buffer pads (7) are fixedly connected in the interiors of the sliding grooves (5), a plurality of sliding columns (6) are slidably connected in the interiors of the sliding grooves (5), the outside of the sliding column (6) is in contact with the outside of the buffer pad (7), the top end of the connecting shaft two (8) is fixedly connected with a driving shaft (9), and the top end of the driving shaft (9) is fixedly connected with a motor one (10).

2. A delta compensated all-frequency water supply apparatus according to claim 1, characterized in that, The outside of the driving shaft (9) is rotatably connected in the interior of the fixing frame (3), and the outside of the motor one (10) is fixedly connected to the top end of the fixing frame (3).

3. A delta compensated all-frequency water supply apparatus according to claim 1, characterized in that, The adjusting mechanism comprises a connecting pipe (12), the front end of the connecting pipe (12) is fixedly connected to the rear end of the pump body (2), the interior of the connecting pipe (12) is fixedly connected with a limiting ring (13), the interior of the limiting ring (13) is slidably connected with an adjusting block (14), the outside of the adjusting block (14) is provided with a hole (15), and the rear end of the adjusting block (14) is rotatably connected with a connecting rod (16).

4. A delta compensated all-frequency water supply apparatus according to claim 3, characterized in that, The driving mechanism comprises a rotating column (17), the bottom end of the rotating column (17) is rotatably connected to the top end of the connecting rod (16), the top end of the rotating column (17) is fixedly connected with a rotating disc (18), and the top end of the rotating disc (18) is fixedly connected with a motor two (19).

5. A delta compensated all-frequency water supply apparatus according to claim 4, characterized in that, The shape of the hole (15) is triangular, and the outside of the motor two (19) is fixedly connected to the top end of the connecting pipe (12).

6. A delta compensated all-frequency water supply apparatus according to claim 4, characterized in that, The top end of the rotating disc (18) is rotatably connected in the interior of the connecting pipe (12), and the outside of the adjusting block (14) is arc-shaped.

7. A delta-compensated all-frequency water supply device according to claim 6, characterized in that The rear end of the connecting pipe (12) is fixedly connected with an outlet pipe (20), and the front end of the pump body (2) is fixedly connected with an inlet pipe (11).

8. A delta compensated all-frequency water supply device according to claim 7, characterized in that, The rear end of the outlet pipe (20) is fixedly connected with a storage tank (21), and the bottom end of the storage tank (21) is fixedly connected to the top end of the base (1).