CN116290222A - An energy-saving and environment-friendly permanent magnet frequency conversion water supply equipment with steady flow compensation function - Google Patents

Abstract

The invention discloses energy-saving environment-friendly permanent magnet variable frequency water supply equipment with a steady flow compensation function, which comprises a municipal pipe network, a conveying water pump and a plurality of compensation water storage tanks; the municipal pipe network is communicated with the input end of the water conveying pump through a first water pipe, and a first electric control valve is arranged on the first water pipe; the municipal pipe network is communicated with the compensation water storage tanks through a second water pipe, a second electric control valve is arranged on the second water pipe, and a plurality of compensation water storage tanks are connected in series through pipelines; the compensation water storage tank is communicated with the first water pipe through a third water pipe, and the communication connection part of the third water pipe and the first water pipe is positioned at the downstream of the first electric control valve; under the general condition, water is mainly supplied to a user by compensating the temporarily stored water in the water storage tank, so that stable water pressure is provided for the user; when pressure sensor monitors that water pressure is enough and stable in the municipal pipe network, can switch the water supply mode, supply water in the user pipe network by municipal pipe network is direct, avoids conveying water pump's redundant use and causes the waste of energy.

Description

An energy-saving and environment-friendly permanent magnet frequency conversion water supply equipment with steady flow compensation function

technical field

The invention relates to the technical field of water supply equipment, in particular to an energy-saving and environment-friendly permanent magnet frequency conversion water supply equipment with a steady flow compensation function.

Background technique

The non-negative pressure water supply equipment is a pressurized water supply unit, which is directly connected to the municipal water supply pipe network, and is superimposed on the residual pressure of the municipal pipe network to supply water in series to ensure that the pressure of the municipal pipe network is not less than the set protection pressure (the set pressure must be Secondary pressurized water supply equipment that is higher than the pressure demand of the direct supply area of the community, generally not less than 1.2Kg. Existing non-negative pressure water supply equipment generally has two operating modes, one is full power operation, and it will Cause waste of resources, one is frequency conversion and constant voltage operation;

The existing water supply equipment has a single operation mode, and it is impossible to change the water supply scheme according to the water consumption of the user, resulting in waste of energy and loss of equipment.

Contents of the invention

The purpose of the present invention is to provide an energy-saving and environment-friendly permanent magnet frequency conversion water supply equipment with a steady flow compensation function, which can change the water supply scheme according to the water consumption of users.

To achieve the above object, the present invention provides the following technical solutions:

An energy-saving and environment-friendly permanent magnet frequency conversion water supply equipment with steady flow compensation function, including municipal pipe network, water delivery pump and multiple compensation water storage tanks;

The municipal pipe network and the input end of the delivery pump are connected through the first water pipe, and the first water pipe has a first electric control valve;

The municipal pipe network and the compensation water storage tank are connected through the second water pipe, and the second water pipe has a second electric control valve, and multiple compensation water storage tanks are connected in series through the pipeline;

The compensation water storage tank communicates with the first water pipe through a third water pipe, the third water pipe has a third electric control valve, and the connection between the third water pipe and the first water pipe is located downstream of the first electric control valve;

The delivery pump is driven by an independent drive motor;

The compensation water storage tank is connected with a compressed air tank, and the compressed air tank is inflated by an air compressor. The compressed air tank and the compensation water storage tank are connected through an air pipeline, and the air pipeline has a first air valve;

The output end of the water delivery pump is connected to the user pipe network through the fourth water pipe, and the fourth water pipe has a fourth electric control valve.

Preferably, a hydraulic torque converter is provided for transmission connection between the output shaft of the driving motor and the rotating shaft of the delivery water pump, and the output shaft of the driving motor is connected with the input shaft of the hydraulic torque converter through a coupling transmission, and the hydraulic torque converter The output shaft of the device is connected to the rotating shaft of the delivery water pump through a coupling.

Explanation: The hydraulic torque converter provides a buffering effect, which makes the driving motor drive the delivery pump run more smoothly, and the load change of the driving motor is also more stable, and plays an overload protection role for the driving motor.

Preferably, a plurality of buffer tanks are communicated with the fourth water pipe, and the connection between the buffer tanks and the fourth water pipe is located downstream of the fourth electric control valve.

Description: The buffer tank is used to buffer and absorb the water flow energy in the pipeline to avoid pipeline rupture and damage.

Preferably, the municipal pipe network and the fourth water pipe are connected through the fifth water pipe, and the fifth water pipe has a fifth electric control valve, and the connection between the fifth water pipe and the fourth water pipe is located downstream of the fourth electric control valve And located upstream of the buffer tank, the fifth water pipe is fixed with a sixth pressure sensor;

A sixth water pipe is provided in parallel with the fifth water pipe. The sixth water pipe is located downstream of the fifth electric control valve. The sixth water pipe is connected with a backup water pump. The sixth water pipe has a sixth electric control valve. There is a seventh electric control valve between the parallel connections of the six water pipes.

Explanation: When the water pressure in the municipal pipe network is sufficient, the fifth water pipe can be directly used to supply water to the user pipe network to avoid energy waste caused by redundant operation of the delivery pumps.

Preferably, a first pressure sensor is fixed in the municipal pipe network, a second pressure sensor is fixed in the first water pipe, a third pressure sensor is fixed in the second water pipe, and a fourth pressure sensor is fixed in the third water pipe , the fifth pressure sensor is fixedly arranged in the fourth water pipe.

Description: Use each pressure sensor to monitor the water pressure in the pipeline in order to adjust the water supply strategy and save operating costs as much as possible.

Preferably, the delivery water pump is a multi-stage vane pump. The multi-stage vane pump includes a cylindrical vane pump housing with a gradually changing pipe diameter. The end of the vane pump casing with a larger pipe diameter extends out;

The rotating shaft of the vane pump is fixed with a plurality of first vane fixing rings, and the first vane fixing ring has a plurality of first vanes;

The inner wall of the vane pump housing is fixed with a plurality of second vane fixing rings, and the inner side of the second vane fixing ring is fixed with a plurality of second vanes;

The first vane fixing ring and the second vane fixing ring are alternately arranged at intervals along the axial direction of the vane pump shaft;

The end of the vane pump casing with a larger diameter is the input end, and the end of the vane pump casing with a smaller diameter is the output end. The input end of the vane pump casing is connected to the first water pipe, and the output end of the vane pump casing is connected to the fourth water pipe. The water pipes are connected.

Description: The multi-stage vane pump is used to transport and supply water. The multi-stage vane pump has a stronger bearing capacity and a smoother and more stable operation.

Preferably, the input end of the vane pump casing communicates with the first water pipe through a split flow stabilization mechanism, and the split flow stabilization mechanism includes a plurality of water pump input ports that are fixed on the outer wall of the larger diameter end of the vane pump casing and communicate with the interior of the vane pump casing. interface, each water pump input interface is connected with the first water pipe through the pipeline;

The outer wall of the smaller end of the vane pump casing has a plurality of water pump output interfaces connected to its interior, and each water pump output interface is connected to the fourth water pipe through a pipeline.

Note: Water intake through multiple water pump input interfaces can make the multi-stage vane pump run more smoothly, deliver water flow more smoothly, and properly reduce water flow resistance.

Preferably, the length of the pipeline path between each water pump input interface and the communication position of the first water pipe is the same.

Explanation: The length of the pipeline path between each water pump input interface and the first water pipe is the same, which can make the water flow into the vane pump casing more stable and improve the delivery efficiency.

Preferably, the first water pipe is located upstream of the first electric control valve and connected with a particle filter, the input end of the particle filter is connected with the upstream section of the first water pipe, and the output end of the particle filter is connected with the first water pipe. The downstream section is connected.

Explanation: The first water pipe is located upstream of the first electric control valve and is connected with a particle filter, which can purify the water to a certain extent and improve the water quality of the water delivered to the user.

Preferably, the fourth water pipe is provided with a plurality of buffer mechanisms, the buffer mechanism includes a buffer communication pipe, the buffer communication pipe is connected in series to the fourth water pipe, and a plurality of buffer branch pipes connected to the interior of the buffer communication pipe are fixed on the buffer communication pipe. The buffer sub-pipes are connected and fixed with a compression buffer tube, and the compression buffer tube is slidingly fitted with a compression buffer piston, and the compression buffer piston separates the compression buffer tube into a water flow buffer chamber and a gas compression chamber;

The side of the compression buffer piston close to the buffer pipe is the water flow buffer chamber, and the other side of the compression buffer piston is the gas compression chamber;

The compression buffer pipe is fixed with an intake check valve connected with the gas compression chamber, and the compression buffer pipe is fixed with a gas discharge connection pipe connected with the gas compression chamber. A pressure gauge for monitoring the air pressure in the gas compression chamber is fixed on the tube.

Description: Use the compression of the buffer piston in the buffer mechanism to do work to offset the energy impact generated by the water hammer effect and protect the various pipes of the pipe network from damage.

Compared with prior art, the beneficial effect of the present invention is:

1. Under normal circumstances, it mainly relies on the temporarily stored water in the compensation water storage tank to supply water to users, and is not affected by the water pressure in the municipal pipe network, so as to provide users with stable water supply pressure;

2. When the pressure sensor detects that the water pressure in the municipal pipe network is sufficient and stable, the water supply mode can be switched, and the municipal pipe network can directly supply water to the user pipe network, avoiding the waste of energy caused by the redundant use of the delivery pump;

3. When the amount of water used in the user's pipe network is small, the backup water pump alone can supply water, avoiding the life loss caused by frequent start-up of the delivery water pump, and saving energy at the same time.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is the structural representation of multistage vane pump among the present invention;

Fig. 3 is the left view of Fig. 2;

Fig. 4 is a structural schematic diagram of the buffer mechanism in the present invention.

In the figure, 10-municipal pipe network, 101-first pressure sensor, 11-first water pipe, 111-first electric control valve, 112-second pressure sensor, 12-second water pipe, 121-second electric control valve , 122-the third pressure sensor, 13-the third water pipe, 131-the third electric control valve, 132-the fourth pressure sensor, 14-the fourth water pipe, 141-the fourth electric control valve, 142-buffer tank, 15- Fifth water pipe, 151-fifth electric control valve, 152-sixth pressure sensor, 16-buffer mechanism, 161-buffer connecting pipe, 162-buffer branch pipe, 163-compression buffer pipe, 164-compression buffer piston, 165-water flow Buffer chamber, 166-gas compression chamber, 167-intake one-way valve, 168-discharge connecting pipe, 169-pressure gauge, 17-sixth water pipe, 171-standby water pump, 172-sixth electric control valve, 173 -The seventh electric control valve, 20-delivery water pump, 200-compensation water storage tank, 30-multi-stage vane pump, 31-vane pump housing, 311-vane pump shaft, 312-conical diversion shell, 313-water pump Output interface, 32-first vane, 321-first vane fixing ring, 33-second vane, 331-second vane fixing ring, 34-split flow stabilization mechanism, 341-water pump input interface, 41-compressed gas tank, 411 - air pipe, 412 - first air valve.

Detailed ways

Below in conjunction with Fig. 1-Fig. 4 the present invention is described in detail, for the convenience of narration, now to the orientation mentioned below regulation as follows: the up, down, left, right, front and back directions of the hereinafter said front and rear directions and respective main views or structural schematic diagrams themselves projection relationship unanimous.

Example 1:

An energy-saving and environment-friendly permanent magnet frequency conversion water supply equipment with a steady flow compensation function, as shown in Figure 1, comprising a municipal pipe network 10, a water delivery pump 20 and a plurality of compensation water storage tanks 200;

The municipal pipe network 10 communicates with the input end of the delivery water pump 20 through the first water pipe 11, and the first water pipe 11 has a first electric control valve 111;

The municipal pipe network 10 and the compensation water storage tank 200 are connected through the second water pipe 12, the second water pipe 12 has a second electric control valve 121, and a plurality of compensation water storage tanks 200 are connected in series through pipelines;

The compensation water storage tank 200 communicates with the first water pipe 11 through the third water pipe 13, the third water pipe 13 has a third electric control valve 131, and the connection between the third water pipe 13 and the first water pipe 11 is located at the first Downstream of the electric control valve 111;

The delivery water pump 20 is driven by an independent drive motor 21;

As shown in Figure 1, a hydraulic torque converter 22 is provided for drive connection between the output shaft of the driving motor 21 and the rotating shaft of the delivery water pump 20, and the output shaft of the driving motor 21 and the input shaft of the hydraulic torque converter 22 are connected through a shaft coupling. The output shaft of the hydraulic torque converter 22 is connected with the rotating shaft of the delivery water pump 20 through a shaft coupling.

The compensation water storage tank 200 is connected with a compressed air tank 41, and the compressed air tank 41 is inflated by an air compressor. air valve 412;

The output end of the delivery water pump 20 is connected to the user pipe network 90 through the fourth water pipe 14 , and the fourth water pipe 14 has a fourth electric control valve 141 .

As shown in FIG. 1 , the fourth water pipe 14 is connected with a plurality of buffer tanks 142 , and the connection between the buffer tanks 142 and the fourth water pipe 14 is located downstream of the fourth electric control valve 141 .

As shown in Figure 1, the municipal pipe network 10 and the fourth water pipe 14 are connected through the fifth water pipe 15, the fifth water pipe 15 has a fifth electric control valve 151, and the fifth water pipe 15 communicates with the fourth water pipe 14 The connection is located downstream of the fourth electric control valve 141 and upstream of the buffer tank 142, and the fifth water pipe 15 is fixed with a sixth pressure sensor 152;

A sixth water pipe 17 is provided in parallel with the fifth water pipe 15, the sixth water pipe 17 is located downstream of the fifth electric control valve 151, the sixth water pipe 17 is connected with a backup water pump 171, and the sixth water pipe 17 has a sixth electric control valve 172 , the fifth water pipe 15 is located between the parallel connection with the sixth water pipe 17 and has a seventh electric control valve 173 .

A first pressure sensor 101 is fixed in the municipal pipe network 10, a second pressure sensor 112 is fixed in the first water pipe 11, a third pressure sensor 122 is fixed in the second water pipe 12, and a pressure sensor 122 is fixed in the third water pipe 13. The fourth pressure sensor 132 and the fifth pressure sensor 142 are fixed in the fourth water pipe 14 .

As shown in Figure 1, the first water pipe 11 is located at the upstream of the first electric control valve 111 and connected with a particle filter, the input end of the particle filter is connected with the upstream section of the first water pipe 11, and the particle filter The output end is communicated with the downstream section of the first water pipe 11 .

As shown in Figure 4, the fourth water pipe 14 is provided with a plurality of buffer mechanisms 16, the buffer mechanism 16 includes a buffer communication pipe 161, the buffer communication pipe 161 is connected in series to the fourth water pipe 14, and the buffer communication pipe 161 is fixed with multiple The buffer branch pipe 162 connected with its own interior, the buffer branch pipe 162 is connected and fixedly provided with a compression buffer pipe 163, the compression buffer pipe 163 is slidingly fitted with a compression buffer piston 164, and the compression buffer piston 164 separates the compression buffer pipe 163 into Water flow buffer chamber 165 and gas compression chamber 166;

The side of the compression buffer piston 164 close to the buffer branch pipe 162 is the water flow buffer chamber 165, and the other side of the compression buffer piston 164 is the gas compression chamber 166;

The compression buffer pipe 163 is fixedly provided with an air intake check valve 167 communicating with the gas compression chamber 166, and the compression buffer pipe 163 is fixedly provided with a gas leakage connection pipe 168 communicated with the gas compression chamber 166, and the gas leakage connection pipe 168 There is an air release valve on the top, and a pressure gauge 169 for monitoring the air pressure in the gas compression chamber 166 is fixed on the compression buffer pipe 163 .

Example 2:

The difference from Embodiment 1 is that, as shown in FIG. 2 , the delivery water pump 20 is a multi-stage vane pump 30, and the multi-stage vane pump 30 includes a cylindrical vane pump housing 31, and the vane pump housing 31 has a gradually changing diameter structure. , the vane pump housing 31 is rotated and fitted with a vane pump shaft 311, and the vane pump shaft 311 extends from the end of the vane pump housing 31 with a larger pipe diameter;

The shaft 311 of the vane pump is fixed with a plurality of first vane fixing rings 321, and the first vane fixing ring 321 has a plurality of first vanes 32;

The inner wall of the vane pump housing 31 is fixed with a plurality of second vane fixing rings 331, and the inner side of the second vane fixing ring 331 is fixed with a plurality of second vanes 33;

The first vane fixing rings 321 and the second vane fixing rings 331 are alternately arranged along the axial direction of the vane pump shaft 311;

The larger end of the vane pump housing 31 is the input end, the smaller end of the vane pump housing 31 is the output end, the input end of the vane pump housing 31 is connected with the first water pipe 11, and the vane pump housing 31 The output end communicates with the fourth water pipe 14 .

The input end of the vane pump housing 31 is in communication with the first water pipe 11 through a diversion stabilization mechanism 34. As shown in FIG. The water pump input interface 341 that communicates with itself, and each water pump input interface 341 is connected with the first water pipe 11 through a pipeline;

The outer wall of the smaller diameter end of the vane pump casing 31 has a plurality of water pump output ports 313 communicating with its interior, and each water pump output port 313 communicates with the fourth water pipe 14 through pipes.

The pipeline path length between each water pump input interface 341 and the first water pipe 11 is the same.

In the actual application process of the present invention, the compensation water storage tank 200 is connected with the municipal pipe network 10 through the second water pipe 12. After the second electric control valve 121 is opened, the water in the municipal pipe network 10 flows into the compensation water storage tank 200 and Store it up, and close the second electric control valve 121 after the water storage in the compensation water storage tank 200 is completed;

Generally, the municipal pipe network 10 is connected with the user pipe network 90 through the fifth water pipe 15 and the fourth water pipe 14 to supply water to the user. In the closed state, the third electric control valve 131 is in the closed state, the fourth electric control valve 141 is in the closed state, the fifth electric control valve 151 is in the open state, the sixth electric control valve 172 is in the closed state, and the seventh electric control valve 173 is in the open state;

When the water consumption in the user pipe network 90 is small, the municipal pipe network 10 is connected with the user pipe network 90 through the fifth water pipe 15, the sixth water pipe 17 and the fourth water pipe 14, and the standby water pump 171 in the sixth water pipe 17 is used to water supply, at this time the first electric control valve 111 is in the closed state, the second electric control valve 121 is in the closed state, the third electric control valve 131 is in the closed state, the fourth electric control valve 141 is in the closed state, the fifth electric control valve 151 is in the open state, the sixth electric control valve 172 is in the open state, and the seventh electric control valve 173 is in the closed state;

When the water consumption in the household pipe network 90 is large, the municipal pipe network 10 is connected with the user pipe network 90 through the first water pipe 11 and the fourth water pipe 14, and the delivery pump connected between the first water pipe 11 and the fourth water pipe 14 is used 20 to supply water to households, and the compensation water storage tank 200 is connected with the first water pipe 11 through the third water pipe 13, and the first air valve 412 is opened to allow the high-pressure air in the compressed air tank 41 to enter the compensation water storage tank 200 through the air delivery pipe 411 In the process, the water in the compensation water storage tank 200 is pressed into the first water pipe 11 through the third water pipe 13, and then pumped by the delivery water pump 20 to perform compensation water supply. At this time, the first electric control valve 111 is in the open state, and the The second electric control valve 121 is in the closed state, the third electric control valve 131 is in the open state, the fourth electric control valve 141 is in the open state, the fifth electric control valve 151 is in the closed state, and the sixth electric control valve 172 is in the closed state. The seven electric control valve 173 is in a closed state.

Claims (10)

1. The energy-saving environment-friendly permanent magnet variable frequency water supply equipment with the steady flow compensation function is characterized by comprising a municipal pipe network (10), a conveying water pump (20) and a plurality of compensation water storage tanks (200);

the municipal pipe network (10) is communicated with the input end of the water conveying pump (20) through a first water pipe (11), and a first electric control valve (111) is arranged on the first water pipe (11);

the municipal pipe network (10) is communicated with the compensation water storage tanks (200) through second water pipes (12), the second water pipes (12) are provided with second electric control valves (121), and a plurality of the compensation water storage tanks (200) are connected in series through pipelines;

the compensation water storage tank (200) is communicated with the first water pipe (11) through a third water pipe (13), a third electric control valve (131) is arranged on the third water pipe (13), and the connection position of the third water pipe (13) and the first water pipe (11) is positioned at the downstream of the first electric control valve (111);

the conveying water pump (20) is driven by an independent driving motor (21);

the compensating water storage tank (200) is connected with a compressed air tank (41), the compressed air tank (411) is inflated by an air compressor, the compressed air tank (41) is communicated and connected with the compensating water storage tank (200) through an air pipe (411), and the air pipe (411) is provided with a first air valve (412);

the output end of the conveying water pump (20) is communicated and connected with a user pipe network (90) through a fourth water pipe (14), and a fourth electric control valve (141) is arranged on the fourth water pipe (14).

2. The energy-saving and environment-friendly permanent magnet variable frequency water supply equipment with steady flow compensation function as claimed in claim 1, wherein the energy-saving and environment-friendly permanent magnet variable frequency water supply equipment is characterized in that: the output shaft of the driving motor (21) is in transmission connection with the rotating shaft of the conveying water pump (20) and is provided with a hydraulic torque converter (22), the output shaft of the driving motor (21) is in transmission connection with the input shaft of the hydraulic torque converter (22) through a coupler, and the output shaft of the hydraulic torque converter (22) is in transmission connection with the rotating shaft of the conveying water pump (20) through the coupler.

3. The energy-saving and environment-friendly permanent magnet variable frequency water supply equipment with steady flow compensation function as claimed in claim 1, wherein the energy-saving and environment-friendly permanent magnet variable frequency water supply equipment is characterized in that: a plurality of buffer tanks (142) are communicated with the fourth water pipe (14), and the connection position of the buffer tanks (142) and the fourth water pipe (14) is positioned at the downstream of the fourth electric control valve (141).

4. An energy-saving environment-friendly permanent magnet variable frequency water supply device with steady flow compensation function according to claim 3, which is characterized in that: the municipal pipe network (10) is communicated with the fourth water pipe (14) through a fifth water pipe (15), a fifth electric control valve (151) is arranged on the fifth water pipe (15), the connection position of the fifth water pipe (15) and the fourth water pipe (14) is positioned at the downstream of the fourth electric control valve (141) and at the upstream of the buffer tank (142), and a sixth pressure sensor (152) is fixedly arranged in the fifth water pipe (15);

a sixth water pipe (17) is arranged in parallel with the fifth water pipe (15), the sixth water pipe (17) is positioned at the downstream of the fifth electric control valve (151), a standby water pump (171) is arranged on the sixth water pipe (17) in a communicating manner, a sixth electric control valve (172) is arranged on the sixth water pipe (17), and a seventh electric control valve (173) is arranged between the fifth water pipe (15) and the parallel connection part of the sixth water pipe (17).

5. The energy-saving and environment-friendly permanent magnet variable frequency water supply equipment with steady flow compensation function as claimed in claim 1, wherein the energy-saving and environment-friendly permanent magnet variable frequency water supply equipment is characterized in that: municipal pipe network (10) internal fixation is equipped with first pressure sensor (101), first water pipe (11) internal fixation is equipped with second pressure sensor (112), second water pipe (12) internal fixation is equipped with third pressure sensor (122), third water pipe (13) internal fixation is equipped with fourth pressure sensor (132), fourth water pipe (14) internal fixation is equipped with fifth pressure sensor (142).

6. The energy-saving and environment-friendly permanent magnet variable frequency water supply equipment with steady flow compensation function as claimed in claim 1, wherein the energy-saving and environment-friendly permanent magnet variable frequency water supply equipment is characterized in that: the conveying water pump (20) is a multi-stage vane pump (30), the multi-stage vane pump (30) comprises a cylindrical vane pump housing (31), the pipe diameter of the vane pump housing (31) is gradually changed, a vane pump rotating shaft (311) is arranged in a rotating fit mode in the vane pump housing (31), and the vane pump rotating shaft (311) extends out of one end of the vane pump housing (31) with a larger pipe diameter;

a plurality of first blade fixing rings (321) are fixedly arranged on the blade pump rotating shaft (311), and a plurality of first blades (32) are arranged on the first blade fixing rings (321);

a plurality of second blade fixing rings (331) are fixedly arranged on the inner side wall of the blade pump housing (31), and a plurality of second blades (33) are fixedly arranged on the inner side of the second blade fixing rings (331);

the first blade fixing rings (321) and the second blade fixing rings (331) are arranged at intervals along the axial direction of the rotating shaft (311) of the vane pump;

the pipe diameter of the vane pump housing (31) is larger, the pipe diameter of the vane pump housing (31) is smaller, the input end of the vane pump housing (31) is communicated with the first water pipe (11), and the output end of the vane pump housing (31) is communicated with the fourth water pipe (14);

the inner side wall of the larger pipe diameter end of the vane pump housing (31) is fixedly provided with a conical guide shell (312), the conical guide shell (312) is provided with a rotating shaft through hole (313), the vane pump rotating shaft (311) penetrates through and is in rotating fit with the rotating shaft through hole (313), and the tip of the conical guide shell (312) faces towards the smaller pipe diameter end of the vane pump housing (31).

7. The energy-saving and environment-friendly permanent magnet variable frequency water supply equipment with steady flow compensation function as claimed in claim 6, wherein the energy-saving and environment-friendly permanent magnet variable frequency water supply equipment is characterized in that: the input end of the blade pump housing (31) is communicated with the first water pipe (11) through a diversion stabilizing mechanism (34), the diversion stabilizing mechanism (34) comprises a plurality of water pump input interfaces (341) which are fixed on the outer side wall of the larger pipe diameter end of the blade pump housing (31) and communicated with the inside of the blade pump housing, and each water pump input interface (341) is communicated with the first water pipe (11) through a pipeline;

the outer side wall of the smaller pipe diameter end of the vane pump housing (31) is provided with a plurality of water pump output interfaces (313) communicated with the inside of the vane pump housing, and each water pump output interface (313) is communicated with the fourth water pipe (14) through a pipeline.

8. The energy-saving and environment-friendly permanent magnet variable frequency water supply equipment with steady flow compensation function as claimed in claim 7, wherein: the pipe path length between each water pump input interface (341) and the connection position of the first water pipe (11) is the same.

9. The energy-saving and environment-friendly permanent magnet variable frequency water supply equipment with steady flow compensation function as claimed in claim 1, wherein the energy-saving and environment-friendly permanent magnet variable frequency water supply equipment is characterized in that: the first water pipe (11) is positioned at the upstream of the first electric control valve (111) and is communicated with a particle filter, the input end of the particle filter is communicated with the upstream section of the first water pipe (11), and the output end of the particle filter is communicated with the downstream section of the first water pipe (11).

10. The energy-saving and environment-friendly permanent magnet variable frequency water supply equipment with steady flow compensation function as claimed in claim 1, wherein the energy-saving and environment-friendly permanent magnet variable frequency water supply equipment is characterized in that: the water pump is characterized in that a plurality of buffer mechanisms (16) are arranged on the fourth water pipe (14), each buffer mechanism (16) comprises a buffer communicating pipe (161), each buffer communicating pipe (161) is connected into the fourth water pipe (14) in series, a plurality of buffer branch pipes (162) communicated with the inside of each buffer communicating pipe (161) are fixedly arranged on each buffer communicating pipe (161), compression buffer pipes (163) are fixedly arranged on each buffer branch pipe (162) in a communicating manner, compression buffer pistons (164) are arranged in the compression buffer pipes (163) in a sliding fit manner, and the compression buffer pistons (164) divide the compression buffer pipes (163) into water flow buffer chambers (165) and gas compression chambers (166);

the water flow buffer chamber (165) is arranged on one side, close to the buffer branch pipe (162), of the compression buffer piston (164), and the gas compression chamber (166) is arranged on the other side of the compression buffer piston (164);

the air inlet check valve (167) communicated with the air compression chamber (166) is fixedly arranged on the compression buffer tube (163), the air leakage connecting tube (168) is provided with an air leakage valve, and the compression buffer tube (163) is fixedly provided with a pressure gauge (169) for monitoring the air pressure in the air compression chamber (166).

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