CN218204717U - Water point constant pressure system for constant frequency control - Google Patents
Water point constant pressure system for constant frequency control Download PDFInfo
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- CN218204717U CN218204717U CN202222266741.7U CN202222266741U CN218204717U CN 218204717 U CN218204717 U CN 218204717U CN 202222266741 U CN202222266741 U CN 202222266741U CN 218204717 U CN218204717 U CN 218204717U
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Abstract
The utility model discloses a decide frequency control water spot constant voltage system, include: the water storage tank is connected with one end of the water inlet pipe, the other end of the water inlet pipe is connected with water using equipment, the conveying water pump is arranged on the water inlet pipe, one end of the backflow pipe is connected with the water using equipment, the other end of the backflow pipe is connected with the water storage tank, and the backflow pipe is provided with the pressure control device. The utility model discloses an useful part lies in, through setting up the circulation that inlet tube and back flow realized water equipment, guarantees the stability of the quality of water point, effectively stably inhibits breeding of bacterium, sets up pressure control device control water pressure simultaneously, makes and keeps the constant voltage in the pipeline, simple structure, and is with low costs.
Description
Technical Field
The utility model relates to a water supply system technical field, specificly relate to a decide frequency control water spot constant voltage system.
Background
Many production plants often require constant pressure replenishment for the use of pure water. The current conventional process is as follows: and controlling the water pump by adopting the frequency converter, and adjusting the frequency of the frequency converter according to the read pressure value of the outlet of the water pump. Thereby achieving the purpose of constant pressure. However, as the requirements of the semiconductor industry and the medical industry on water quality are higher and higher, the system must be configured with return water, so that the traditional constant-pressure control has certain limitation. A new form of control is needed without increasing the investment costs.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a decide frequency control water spot constant voltage system adopts pressure sensor and proportional valve cooperation, reaches the purpose with the constant voltage of water and electricity, and simple structure is with low costs, need not change the operating frequency of water pump, improves the life of water pump.
Specifically, the utility model discloses a decide frequency control water spot constant voltage system, include: the water storage device comprises a storage water tank, a conveying water pump, a pressure control device, a water inlet pipe and a return pipe, wherein one end of the water inlet pipe is connected with the storage water tank, the other end of the water inlet pipe is connected with water utilization equipment, the conveying water pump is arranged on the water inlet pipe, one end of the return pipe is connected with the water utilization equipment, the other end of the return pipe is connected with the storage water tank, and the pressure control device is arranged on the return pipe.
The utility model discloses an useful part lies in, through setting up the circulation that inlet tube and back flow realized water equipment, guarantees the stability of the quality of water point, effectively stably inhibits breeding of bacterium, sets up pressure control device control water pressure simultaneously, makes and keeps the constant voltage in the pipeline, simple structure, and is with low costs.
Further, the pressure control device includes: the pressure sensor is connected with the proportional control valve.
The technical scheme has the advantages that the pressure sensor senses the pressure of water in the pipeline and is matched with the proportional control valve to adjust the water pressure in the pipeline from time to time, when the water consumption of the water consumption equipment is high, the proportional control valve is closed proportionally to enable the pressure sensor to reach a set value, and when the water consumption of the water consumption equipment is low, the proportional control valve is opened, so that a large amount of water flows back, and the pressure in the pipeline is effectively controlled to be kept constant.
Furthermore, a first valve is arranged at the water inlet of the proportion regulating valve, a second valve is arranged at the water outlet end, and backflow water flows into the proportion regulating valve through the first valve and then flows into the second valve.
The technical scheme has the advantages that when the proportional control valve needs to be maintained or closed, the first valve and the second valve are closed simultaneously, and the proportional control valve is replaced or maintained at the moment.
Furthermore, the device also comprises a bypass pipeline, wherein one end of the bypass pipeline is connected between the first valve and the pressure sensor, and the other end of the bypass pipeline is connected between the storage water tank and the second valve.
The technical scheme has the beneficial effects that after the first valve and the second valve are closed, the backflow water can enter the bypass pipeline to continuously flow back, so that the backflow water is prevented from failing to flow back when the proportion regulating valve is maintained or adjusted, the water pressure in the pipeline is prevented from being influenced, and further the water consumption of equipment is further influenced.
Furthermore, a third valve is arranged on the bypass pipeline.
The technical scheme has the advantages that when backflow water does not flow through the bypass pipeline, the backflow water can flow back to the storage water tank from the backflow pipe only by closing the valve III.
Further, the return pipe is connected with a filter.
The technical scheme has the beneficial effects that the filter is used for filtering impurities in water, so that the water quality is kept stable.
Furthermore, a water inlet is formed in the upper portion of the storage water tank, a cleaning opening is formed in the bottom of the storage water tank, and the cleaning opening is connected with a valve IV.
The technical scheme has the beneficial effects that the water inlet is arranged to be connected with an external water source, so that enough water is in the storage water tank, and when the water tank needs to be cleaned, sewage in the storage water tank can be discharged only by opening the valve IV.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.
Fig. 1 is the overall structure diagram of the constant pressure system with water point for constant frequency control of the present invention.
Wherein reference numerals are referred to in the figures as follows:
a storage water tank 1; a water inlet 11; a cleaning port 12; valve four 13; a liquid level sensor 14; a delivery water pump 2; a water inlet pipe 3; a return pipe 4; a water using device 5; a pressure sensor 6; a proportional regulating valve 7; a first valve 71; a second valve 72; a bypass line 8; a valve III 81; and a filter 9.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a decide frequency control water spot constant voltage system, include: the water supply system comprises a storage water tank 1, a delivery water pump 2, a pressure control device, a water inlet pipe 3 and a return pipe 4, wherein one end of the water inlet pipe 3 is connected with the storage water tank 1, the other end of the water inlet pipe 3 is connected with a water using device 5, the delivery water pump 2 is arranged on the water inlet pipe 3, one end of the return pipe 4 is connected with the water using device 5, the other end of the return pipe 4 is connected with the upper end of the storage water tank 1, and the pressure control device is arranged on the return pipe 4.
The utility model discloses an useful part lies in, realizes the circulation of water equipment 5 through setting up inlet tube 3 and back flow 4, guarantees the stability of the quality of water point, effectively stably restraines breeding of bacterium, sets up pressure control device control water pressure simultaneously, keeps the constant voltage in making the pipeline, simple structure, and is with low costs.
In some embodiments, the pressure control device may adopt the following structural scheme, and the pressure control device comprises: the device comprises a pressure sensor 6 and a proportional control valve 7, wherein the pressure sensor 6 is connected with the proportional control valve 7.
The technical scheme has the advantages that the pressure sensor 6 senses the pressure of water in the pipeline and is matched with the proportion regulating valve 7 to regulate the water pressure in the pipeline at any time, when the water consumption of the water consumption equipment 5 is large, the proportion regulating valve 7 is closed in proportion, so that the pressure sensor 6 reaches a set value, when the water consumption of the water consumption equipment 5 is small, the proportion regulating valve 7 is opened, a large amount of water flows back, and the pressure in the pipeline is effectively controlled to be kept constant.
In some embodiments, the proportional control valve 7 may adopt a structure that a first valve 71 is disposed at a water inlet of the proportional control valve 7, a second valve 72 is disposed at a water outlet, and the return water flows into the proportional control valve 7 through the first valve 71 and then flows into the second valve 72.
The technical scheme has the advantages that when the proportional control valve 7 needs to be maintained or closed, the first valve 71 and the second valve 72 are closed simultaneously, and the proportional control valve 7 is replaced or maintained.
In some embodiments, the constant-frequency-control water-point constant-pressure system further comprises a bypass line 8, wherein one end of the bypass line 8 is connected between the first valve 71 and the pressure sensor 6, and the other end of the bypass line 8 is connected between the storage water tank 1 and the second valve 72.
The technical scheme has the advantages that after the first valve 71 and the second valve 72 are closed, the return water can enter the bypass pipeline 8 to continuously flow back, so that the situation that the return water cannot flow back when the proportion regulating valve 7 is maintained or adjusted, the water pressure in the pipeline is influenced, and further the water consumption of equipment is influenced is prevented.
In some embodiments, the bypass line 8 may adopt the following structure, and the valve three 81 is disposed on the bypass line 8.
The technical scheme has the advantage that when the backflow water does not need to flow through the bypass pipeline 8, the backflow water can flow back to the storage water tank 1 from the backflow pipe 4 only by closing the valve III 81.
In some embodiments, the return pipe 4 may adopt the following structure scheme, and the filter 9 is connected with the return pipe 4.
The technical scheme has the beneficial effects that the filter 9 is used for filtering impurities in water, so that the water quality is kept stable.
In some embodiments, the storage water tank 1 may adopt a structure that a liquid level sensor 14 is disposed inside the storage water tank 1.
The technical scheme has the advantage that the liquid level sensor 14 is arranged to sense the water level in the water tank, so that the water storage tank 1 can be ensured to have enough water.
In some embodiments, the storage water tank 1 may adopt a structure that a water inlet 11 is arranged above the storage water tank 1, a cleaning opening 12 is arranged at the bottom of the storage water tank, and a valve four 13 is connected to the cleaning opening 12.
The technical scheme has the beneficial effects that the water inlet 11 is used for being connected with an external water source, so that enough water is ensured in the storage water tank 1, and when the water tank needs to be cleaned, sewage in the storage water tank 1 can be discharged only by opening the valve IV 13.
The working process includes that firstly, under the driving of the conveying water pump 2, water enters the water utilization equipment 5 from the water inlet pipe 3, the rest backflow water flows back to the storage water tank 1 from the backflow pipe 4 through the pressure sensor 6, the first valve 71, the proportion adjusting valve 7 and the second valve 72, the pressure sensor 6 detects the pressure in the water pipe at all times, when the water consumption of the water utilization equipment 5 is large, the proportion adjusting valve 7 is closed, the water pressure in the backflow pipe 4 rises, the pressure sensor 6 reaches a set value, when the water consumption of the water utilization equipment 5 is small, the proportion adjusting valve 7 is opened, the backflow water returns to the storage water tank 1 in large quantity, the water pressure in the backflow pipe 4 is reduced, the pressure sensor 6 reaches the set value, the water pressure is ensured to be constant, meanwhile, the filter 9 is arranged to filter the backflow water, the water quality is kept, the bacteria breeding is reduced when the water continuously flows, the water purification system can be applied to the fields of semiconductor ultrapure water conveying, medical pure water conveying and the like, and is simple in structure, low in cost and wide in application scenes.
For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (7)
1. A constant-pressure system with a fixed-frequency control water point is characterized by comprising: the water supply device comprises a storage water tank (1), a delivery water pump (2), a pressure control device, a water inlet pipe (3) and a return pipe (4), wherein one end of the water inlet pipe (3) is connected with the storage water tank (1), the other end of the water inlet pipe is connected with a water using device (5), the delivery water pump (2) is arranged on the water inlet pipe (3), one end of the return pipe (4) is connected with the water using device (5), the other end of the return pipe is connected with the storage water tank (1), and the pressure control device is arranged on the return pipe (4).
2. The constant-frequency-control water-point constant-pressure system according to claim 1, wherein the pressure control means comprises: the device comprises a pressure sensor (6) and a proportional control valve (7), wherein the pressure sensor (6) is connected with the proportional control valve (7).
3. The constant-frequency control water-point constant-pressure system as claimed in claim 2, wherein a first valve (71) is provided at the water inlet of the proportional control valve (7), a second valve (72) is provided at the water outlet, and the return water flows into the proportional control valve (7) through the first valve (71) and then flows into the second valve (72).
4. The constant-frequency control water point constant-pressure system according to claim 3, further comprising a bypass line (8), wherein one end of the bypass line (8) is connected between the first valve (71) and the pressure sensor (6), and the other end is connected between the storage tank (1) and the second valve (72).
5. The constant-frequency control water point constant-pressure system according to claim 4, wherein a valve III (81) is provided on the bypass line (8).
6. A constant pressure system at a fixed frequency control water point as claimed in claim 1, wherein a filter (9) is connected to the return pipe (4).
7. The constant-frequency control water-point constant-pressure system as claimed in claim 1, wherein a water inlet (11) is arranged above the storage water tank (1), a cleaning port (12) is arranged at the bottom of the storage water tank, and a valve four (13) is connected to the cleaning port (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222266741.7U CN218204717U (en) | 2022-08-26 | 2022-08-26 | Water point constant pressure system for constant frequency control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222266741.7U CN218204717U (en) | 2022-08-26 | 2022-08-26 | Water point constant pressure system for constant frequency control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218204717U true CN218204717U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222266741.7U Active CN218204717U (en) | 2022-08-26 | 2022-08-26 | Water point constant pressure system for constant frequency control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218204717U (en) |
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2022
- 2022-08-26 CN CN202222266741.7U patent/CN218204717U/en active Active
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