CN211714086U

CN211714086U - Non-negative pressure variable frequency constant pressure water supply equipment

Info

Publication number: CN211714086U
Application number: CN201922480544.3U
Authority: CN
Inventors: 李海良; 余金宏
Original assignee: Zhejiang Bojin Machinery Manufacturing Co ltd
Current assignee: Zhejiang Bojin Machinery Manufacturing Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-20
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a non-negative pressure variable frequency constant pressure water supply device, which comprises a reservoir, a water level sensor, a variable frequency speed control water pump, a pressure sensor and a variable frequency control cabinet; the water storage device is characterized in that a water storage pool water inlet, a water storage pool water outlet and a water storage pool drain outlet are formed in the water storage pool; a water level sensor is arranged on the reservoir; a fixed step is arranged at the top of the reservoir; a top cover is arranged on the fixed step; the top cover is provided with a handle; a filter screen bracket is arranged in the water storage tank; the filter screen bracket is provided with a filter screen. The utility model discloses simple structure, convenient to use, the filter screen through in the cistern that can be convenient filters water once more, guarantees the safety of resident's water consumption.

Description

Non-negative pressure variable frequency constant pressure water supply equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to a water supply equipment technical field specifically indicates a no negative pressure frequency conversion constant voltage water supply equipment.

[ background of the invention ]

The non-negative pressure variable frequency water supply equipment takes a municipal pipe network as a water source, fully utilizes the original pressure of the municipal pipe network, forms a closed continuous relay pressurization water supply mode, has good energy-saving effect, does not have secondary pollution of water quality, and is the development and extension of variable frequency constant pressure water supply equipment. The water supply is directly superposed on the basis of the municipal pipe network pressure, so that the energy is saved, and the water supply system has the advantages of full sealing, no pollution, small occupied area, rapidness in installation, reliability in operation, convenience in maintenance and the like. The non-negative pressure variable frequency water supply equipment is put into use, water of a tap water pipe network enters a steady flow tank, air in the tank is discharged from the vacuum eliminator, and the vacuum eliminator is automatically closed after the water is full of water. When the pressure of the tap water pipe network can meet the water use requirement, the system directly supplies water to the water use pipe network through the bypass check valve; when running water pipe network pressure can not satisfy the water requirement, system's pressure signal is fed back to variable frequency controller by the teletransmission manometer, the water pump operation, and supply water according to the big or small automatically regulated rotational speed constant voltage of water consumption, if when the operation water pump reaches power frequency rotational speed, then start another water pump frequency conversion operation, among the prior art, no negative pressure frequency conversion water supply equipment is in the use, aquatic can have impurity, directly give the resident use through the pipeline, can influence resident's water safety, and, when having a power failure, get back to in the device through the pipeline between the water of high floor, can produce the impact force because of water falls from the high altitude, direct impact device can reduce the life of device. Therefore, the non-negative pressure variable frequency constant pressure water supply equipment is provided.

[ summary of the invention ]

The utility model aims at solving current technique, no negative pressure frequency conversion water supply equipment in the use, the aquatic can have impurity, directly uses for the resident through the pipeline, can influence resident's water safety scheduling problem and provide a no negative pressure frequency conversion constant voltage water supply equipment.

In order to achieve the above purpose, the utility model provides a following technical scheme: a non-negative pressure variable frequency constant pressure water supply device comprises a reservoir, a water level sensor, a variable frequency speed regulating water pump, a buffer device, a variable frequency control cabinet and a pressure sensor; the water storage device is characterized in that a water storage pool water inlet, a water storage pool water outlet and a water storage pool drain outlet are formed in the water storage pool; a water level sensor is arranged on the reservoir; a fixed step is arranged at the top of the reservoir; a top cover is arranged on the fixed step; the top cover is provided with a handle; a filter screen bracket is arranged in the water storage tank; a filter screen is arranged on the filter screen bracket; and the variable-frequency speed-regulating water pump, the pressure sensor and the water level sensor are all connected with the variable-frequency control cabinet.

Preferably, a water outlet of the reservoir is connected with a water outlet pipe; the water outlet pipe is connected with a variable-frequency speed-regulating water pump; the variable-frequency speed-regulating water pump is connected with the connecting pipe; and the connecting pipe is connected with a pressure sensor.

Preferably, the buffer device comprises an outer shell, a leather bag and a fixing block; the bottom of the outer shell is provided with a water inlet and a water outlet; the outer shell is provided with a support frame; a fixed table is arranged in the outer shell; a fixed block is arranged on the fixed table; a leather bag is arranged between the fixed table and the fixed block.

Preferably, a water inlet pipe of a water pump is connected between the water outlet pipe and the variable-frequency speed-regulating water pump; a water pump water outlet pipe is connected between the variable-frequency speed-regulating water pump and the connecting pipe; and valves are respectively arranged on the water inlet pipe of the water pump and the water outlet pipe of the water pump.

Preferably, the bottoms of the variable-frequency speed-regulating water pump, the reservoir, the pressure sensor and the connecting pipe are provided with supporting frames; the bottom of the support frame is provided with a base for installing the support frame.

The utility model has the advantages that: this equipment structure is simple, and convenient to use can conveniently filter water once more through the filter screen in the cistern, guarantees the safety of resident's water consumption, also can prolong the life of equipment.

[ description of the drawings ]

Fig. 1 is a flow chart of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the reservoir of the utility model.

Fig. 4 is a schematic structural view of the buffering device of the present invention.

Illustration of the drawings: 1, a water reservoir; 2, a valve; 3, a variable-frequency speed-regulating water pump; 4, a buffer device; 401 an outer shell; 403 water inlet and outlet; 404 a fixed table; 405 a skin pocket; 406 fixed blocks; 5, a variable frequency control cabinet; 6 a pressure sensor; 7, a water inlet pipe of a water pump; 8, a water outlet pipe of the water pump; 9 connecting pipes; 10, supporting frames; 11 a water level sensor; 12 a handle; 13, discharging a water pipe; 14 a base; 15 fixing the step; 16 water inlet of the water reservoir; 17, a water outlet of the reservoir; 19 a drain outlet of the water reservoir; 20 a top cover; 21 a filter screen bracket; 22 a filter screen.

Detailed Description

The following description will be made with reference to the accompanying drawings for a non-negative pressure variable frequency constant pressure water supply device of the present invention.

Referring to fig. 1-3, the non-negative pressure variable frequency constant pressure water supply apparatus in this embodiment includes a reservoir 1, a water level sensor 11, a variable frequency speed control water pump 3, a buffer device 4, a variable frequency control cabinet 5, and a pressure sensor 6; the device is characterized in that a reservoir water inlet 16, a reservoir water outlet 17 and a reservoir sewage discharge outlet 19 are arranged on the reservoir 1; a water level sensor 11 is arranged on the reservoir 1; a fixed step 15 is arranged at the top of the reservoir 1; a top cover 20 is arranged on the fixed step 15; the top cover 20 is provided with a handle 12: a filter screen bracket 21 is arranged in the reservoir 1; a filter screen 22 is arranged on the filter screen bracket 21; the variable-frequency speed-regulating water pump 3, the pressure sensor 6 and the water level sensor 11 are all connected with the variable-frequency control cabinet 5; the water outlet 17 of the reservoir is connected with a water outlet pipe 13; the water outlet pipe 13 is connected with the variable-frequency speed-regulating water pump 3; the variable-frequency speed-regulating water pump 3 is connected with a connecting pipe 9; the connecting pipe 9 is connected with a pressure sensor 6; the buffer device 4 comprises an outer shell 401, a leather bag 405 and a fixed block 406; a water inlet and outlet 403 is formed in the bottom of the outer shell 401; a support frame 10 is arranged on the outer shell 401; a fixed table 404 is arranged in the outer shell 401; a fixed block 406 is arranged on the fixed table 404; a leather bag 405 is arranged between the fixed table 404 and the fixed block 406; a water inlet pipe 7 of the water pump is connected between the water outlet pipe 13 and the variable-frequency speed-regulating water pump 3; a water pump water outlet pipe 8 is connected between the variable-frequency speed-regulating water pump 3 and the connecting pipe 9; the water inlet pipe 7 and the water outlet pipe 8 of the water pump are both provided with valves 2; the bottoms of the variable-frequency speed-regulating water pump 3, the reservoir 1, the pressure sensor 6 and the connecting pipe 9 are all provided with a support frame 10; the bottom of the support frame 10 is provided with a base 14 for mounting the support frame 10.

The working process of the utility model is that the reservoir water inlet 16 is directly connected with the municipal official network, the water of the municipal official network directly enters the reservoir 15 through the reservoir water inlet 16, the reservoir 15 is connected with the variable frequency speed control water pump 3, when the resident user needs to use the water, the variable frequency control cabinet 5 controls the variable frequency speed control water pump 3 to start working, the water in the reservoir 1 goes into the water outlet pipe 13 from the reservoir water outlet 17, the water in the water outlet pipe 13 flows to the water pump water inlet pipe 7 and enters the variable frequency speed control water pump 3, then the water in the variable frequency speed control water pump 3 goes into the connecting pipe 9 through the water pump water outlet pipe 8, and finally is re-dispersed to each resident user, the pressure gauge can send the data to the variable frequency control cabinet 5 in real time for convenient observation, when the tap water is cut off or the pressure is too low, when the, the control cabinet 5 is used for controlling to prevent the tap water pipe network from generating negative pressure. When the tap water is powered off, water in a high floor directly falls, and water in the buffer device 4 enters the connecting pipe 9 through the water inlet and the water outlet to impact the falling water, so that the buffer effect is achieved.

The beneficial effects of the utility model are that the equipment has simple structure, is practical and convenient, the top cover 20 is arranged at the top of the reservoir 1, the filter screen support 21 is arranged in the reservoir 1, the filter screen 22 is arranged on the filter screen support 21, thus the water in the municipal administration network can be filtered by the filter screen 22 again when entering the reservoir 1, the filtered water is safer for residents to use, the reservoir 15 is provided with the reservoir drain outlet 19, thus the reservoir 15 is convenient to clean; the fixed step 15 is arranged at the top of the reservoir 1, the top cover 20 is arranged on the fixed step 15, and the handle 12 is arranged on the top cover 20, so that the filter screen 22 can be more conveniently replaced, and the interior of the reservoir 1 can be conveniently cleaned; through connecting buffer 4 on connecting pipe 9, be equipped with fixed station 404 in buffer 4, install fixed block 406 on the fixed station 404, install leather bag 405 between fixed block 406 and the fixed station 404, when the running water has a power failure, the water of high floor in the pipeline can directly get back to in the device through the pipeline, because the high altitude falls and can produce great power, there is the damage to equipment, therefore when water falls from the high altitude, leather bag 405 among the buffer 4 can automatic shrink, pass through into connecting pipe 9 with the water in buffer 4 in water inlet 403 and outlet, impact with the water that the high altitude falls, play the effect of buffering, the life of extension equipment.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. A non-negative pressure variable frequency constant pressure water supply device comprises a reservoir (1), a water level sensor (11), a variable frequency speed control water pump (3), a buffer device (4), a variable frequency control cabinet (5) and a pressure sensor (6); the device is characterized in that a reservoir water inlet (16), a reservoir water outlet (17) and a reservoir sewage discharge outlet (19) are arranged on the reservoir (1); a water level sensor (11) is arranged on the reservoir (1); a fixed step (15) is arranged at the top of the water storage tank (1); a top cover (20) is arranged on the fixed step (15); the top cover (20) is provided with a handle (12): a filter screen bracket (21) is arranged in the reservoir (1); a filter screen (22) is arranged on the filter screen bracket (21); the variable-frequency speed-regulating water pump (3), the pressure sensor (6) and the water level sensor (11) are all connected with the variable-frequency control cabinet (5).

2. The non-negative pressure variable-frequency constant-pressure water supply equipment as claimed in claim 1, wherein: a reservoir water outlet (17) arranged on the reservoir (1) is connected with a water outlet pipe (13); the water outlet pipe (13) is connected with the variable-frequency speed-regulating water pump (3); the variable-frequency speed-regulating water pump (3) is connected with the connecting pipe (9); and the connecting pipe (9) is connected with a pressure sensor (6).

3. The non-negative pressure variable-frequency constant-pressure water supply equipment as claimed in claim 1, wherein: the buffer device (4) comprises an outer shell (401), a leather bag (405) and a fixed block (406); a water inlet and a water outlet (403) are formed in the bottom of the outer shell (401); a support frame (10) is arranged on the outer shell (401); a fixed table (404) is arranged in the outer shell (401); a fixed block (406) is arranged on the fixed table (404); a leather bag (405) is arranged between the fixed table (404) and the fixed block (406).

4. The non-negative pressure variable-frequency constant-pressure water supply equipment as claimed in claim 2, wherein: a water inlet pipe (7) of the water pump is connected between the water outlet pipe (13) and the variable-frequency speed-regulating water pump (3); a water pump water outlet pipe (8) is connected between the variable-frequency speed-regulating water pump (3) and the connecting pipe (9); and valves (2) are respectively arranged on the water inlet pipe (7) and the water outlet pipe (8) of the water pump.

5. The non-negative pressure variable-frequency constant-pressure water supply equipment as claimed in claim 2, wherein: support frame (10) are all installed to frequency conversion speed governing water pump (3), cistern (1), pressure sensor (6) and connecting pipe (9) bottom, support frame (10) bottom is equipped with base (14) of installation support frame (10).