CN213477032U - Variable-frequency speed regulator for non-negative pressure water supply - Google Patents
Variable-frequency speed regulator for non-negative pressure water supply Download PDFInfo
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- CN213477032U CN213477032U CN202022347419.8U CN202022347419U CN213477032U CN 213477032 U CN213477032 U CN 213477032U CN 202022347419 U CN202022347419 U CN 202022347419U CN 213477032 U CN213477032 U CN 213477032U
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Abstract
The utility model relates to a variable frequency speed regulator for non-negative pressure water supply, which has the technical proposal that the variable frequency speed regulator comprises a conveying pipeline, an air pressure tank, a supercharging device, a pressure stabilizing device, a variable frequency speed regulator box, an electric control butterfly valve, a throttle valve, a controller, a flowmeter, a pressure sensor and a water pressure detector, the conveying pipeline is connected with a pressure sensor, a flowmeter, an electric control butterfly valve, a variable frequency speed regulator box, a throttle valve, an electric control butterfly valve, an air pressure tank, a pressure stabilizer and a water pressure detector from right to left in sequence, the top and the supercharging device of atmospheric pressure jar pass through electric connection with the controller, both ends fixedly connected with user pipe network and water intake pipe about pipeline, the supercharging device is opened in controller control, makes no negative pressure water supply equipment's pressure improve, and the choke valve of setting can avoid rivers to produce the refluence, satisfies all end user and supplies water, makes no negative pressure water supply equipment can adapt to different pressure environment in order to guarantee that water supply is normal. The utility model belongs to the technical field of supply water.
Description
Technical Field
The utility model belongs to the technical field of the water supply technique and specifically relates to a variable frequency speed regulator for no negative pressure supplies water.
Background
At present, the traditional method of the domestic and foreign variable-frequency speed-regulating constant-pressure water supply technology is that the technology is divided into independent parts, the parts are connected together by external equipment, information of the parts is transmitted to a frequency converter through a bus, and the information is controlled and processed by PID in the frequency converter and is converted into a frequency output signal to realize speed regulation.
The data received by the existing non-negative pressure water supply equipment is inaccurate and can not meet the requirement of water supply of all terminal users.
Disclosure of Invention
The utility model discloses be exactly in order to solve current method the utility model provides a variable frequency speed regulator for no negative pressure water supply aims at solving the inaccurate data that current no negative pressure water supply equipment accepted, can not satisfy the problem that all end user supplied water.
The utility model discloses a realize like this, a variable frequency speed regulator for no negative pressure water supply, including pipeline, atmospheric pressure jar, supercharging device, voltage regulator device, variable frequency speed regulator case, automatically controlled butterfly valve, choke valve, controller, flowmeter, pressure sensor and water pressure detector, pipeline is connected with pressure sensor, flowmeter, automatically controlled butterfly valve, variable frequency speed regulator case, choke valve, automatically controlled butterfly valve, atmospheric pressure jar, voltage regulator device and water pressure detector from the right side to a left side in proper order, the top and the supercharging device of atmospheric pressure jar pass through electric connection with the controller, both ends fixedly connected with user pipe network and water intake pipe about pipeline.
Be convenient for accept and handle data for signal preprocessor, make the controller conveniently control supercharging device, voltage regulator device, variable frequency governor case, conduct the utility model discloses a variable frequency governor is preferred for having no negative pressure water supply, the inside of controller is provided with signal preprocessor, atmospheric pressure jar, supercharging device, voltage regulator device, variable frequency governor case, pressure sensor and water pressure detector's top all is provided with the manometer, manometer and signal preprocessor electric connection.
In order to improve the security of no negative pressure water supply equipment, conduct the utility model discloses a variable frequency speed regulator is preferred for no negative pressure supplies water, pipeline, user's pipe network all adopt food level stainless steel with the inlet channel.
Compared with the prior art, the beneficial effects of the utility model are that: the variable frequency speed regulator for non-negative pressure water supply is characterized in that a conveying pipeline is sequentially connected with a pressure sensor, a flowmeter, an electric control butterfly valve, a variable frequency speed regulator box, a throttle valve, an electric control butterfly valve, an air pressure tank, a pressure stabilizer and a water pressure detector from right to left, the pressure sensor, the throttle valve and the water pressure detector are convenient for detecting the pressure and the water quantity of non-negative pressure water supply equipment in real time, the accuracy of data is improved, a controller is further convenient for controlling the variable frequency speed regulator box to regulate the speed and sleep, the non-negative pressure water supply equipment meets the water supply requirements of all end users, a supercharging device and a pressure stabilizer are connected on the upper side and the lower side of the air pressure tank, when the water pressure of the non-negative pressure water supply equipment is too high, the electric control butterfly valve is closed, the variable frequency speed regulator box controls the water, the water pressure in the conveying pipeline also can reduce thereupon, thereby the production of negative pressure has been eliminated, the automatic regulation and control to water pressure has been realized, the unstable problem of water pressure has been solved, when pressure is lower, the condition that the supply is untimely or unable supply appears in water easily, the water pressure detector carries out real-time detection to water pressure, the supercharging device is opened in the controller control of being convenient for, make the pressure of no negative pressure water supply equipment improve, the choke valve of setting can avoid rivers to produce the refluence, satisfy all end user's water supplies, make no negative pressure water supply equipment can adapt to different pressure environment and in order to guarantee that the water supply is normal.
Drawings
Fig. 1 is an overall structure diagram of the variable frequency speed regulator for non-negative pressure water supply of the present invention.
In the figure, 1, a water inlet pipeline; 2. a delivery line; 3. a user pipe network; 4. an air pressure tank; 401. a pressure boosting device; 402. a voltage stabilizer; 5. a variable frequency governor housing; 6. an electric control butterfly valve; 601. a throttle valve; 7. a controller; 8. a flow meter; 9. a pressure sensor; 901. a water pressure detector.
Detailed Description
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-1, the present invention provides a technical solution: the utility model provides a variable frequency speed regulator for no negative pressure water supply, including pipeline 2, atmospheric pressure jar 4, supercharging device 401, voltage regulator 402, variable frequency speed regulator case 5, automatically controlled butterfly valve 6, choke valve 601, controller 7, flowmeter 8, pressure sensor 9 and water pressure detector 901, pipeline 2 from the right side to left side in proper order with pressure sensor 9, flowmeter 8, automatically controlled butterfly valve 6, variable frequency speed regulator case 5, choke valve 601, automatically controlled butterfly valve 6, atmospheric pressure jar 4, voltage regulator 402 and water pressure detector 901 are connected, the top of atmospheric pressure jar 4 links to each other with supercharging device 401, variable frequency speed regulator case 5 passes through electric connection with controller 7, both ends fixedly connected with user's pipe network 3 and water intake pipe 1 about pipeline 2.
In this embodiment: the conveying pipeline 2 is sequentially connected with a pressure sensor 9, a flowmeter 8, an electric control butterfly valve 6, a variable frequency speed regulator box 5, a throttle valve 601, the electric control butterfly valve 6, an air pressure tank 4, a pressure stabilizing device 402 and a water pressure detector 901 from right to left, the pressure sensor 9, the throttle valve 601 and the water pressure detector 901 are convenient to detect the pressure and the water quantity of non-negative pressure water supply equipment in real time, the accuracy of data is improved, a controller 7 is further convenient to control the variable frequency speed regulator box 5 to carry out speed regulation and dormancy, the non-negative pressure water supply equipment meets the requirement of water supply of all end users, a supercharging device 401 and the pressure stabilizing device 402 are connected on the upper side and the lower side of the air pressure tank 4, when the water pressure of the non-negative pressure water supply equipment is too high, the electric control butterfly valve 6 is turned down, the variable frequency speed regulator box 5 controls the water flow, one part of, the water pressure in the conveying pipeline 2 can also be reduced accordingly, thereby eliminating the generation of negative pressure, realizing the automatic regulation and control of water pressure, solving the problem of unstable water pressure, when the pressure is lower, the condition that the water is not supplied timely or can not be supplied easily appears, the water pressure detector 901 detects the water pressure in real time, the booster 401 is opened under the control of the controller 7, the pressure of the water supply equipment without negative pressure is improved, the throttle valve 601 arranged can avoid the backflow of water flow, the water supply of all terminal users is satisfied, and the water supply equipment without negative pressure can adapt to different pressure environments to ensure the normal water supply.
As a technical optimization scheme of the utility model, the inside of controller 7 is provided with signal preprocessor, and the top of atmospheric pressure jar 4, supercharging device 401, voltage regulator 402, variable frequency governor case 5, pressure sensor 9 and water pressure detector 901 all is provided with the manometer, manometer and signal preprocessor electric connection.
In this embodiment: through the inside signal preprocessor that sets up at controller 7, manometer and signal preprocessor electric connection, signal preprocessor is convenient for accept and handle data, makes controller 7 conveniently control supercharging device 401, voltage regulator 402, variable frequency speed regulator case 5.
As a technical optimization scheme of the utility model, conveying pipeline 2, user pipe network 3 all adopt food level stainless steel with water intake pipe 1.
In this embodiment: the conveying pipeline 2, the user pipe network 3 and the water inlet pipeline 1 are all made of food-grade stainless steel, and the safety of the non-negative-pressure water supply equipment is further improved.
The working principle is as follows: firstly, a conveying pipeline 2 is sequentially connected with a pressure sensor 9, a flowmeter 8, an electric control butterfly valve 6, a variable frequency speed regulator box 5, a throttle valve 601, the electric control butterfly valve 6, an air pressure tank 4, a pressure stabilizing device 402 and a water pressure detector 901 from right to left, the pressure sensor 9, the throttle valve 601 and the water pressure detector 901 are convenient to detect the pressure and the water quantity of non-negative pressure water supply equipment in real time, the accuracy of data is improved, a controller 7 is further convenient to control the variable frequency speed regulator box 5 to carry out speed regulation and dormancy, the non-negative pressure water supply equipment meets the requirement of water supply of all end users, a supercharging device 401 and the pressure stabilizing device 402 are connected on the upper side and the lower side of the air pressure tank 4, when the water pressure of the non-negative pressure water supply equipment is too high, the electric control butterfly valve 6 is turned down, the variable frequency speed regulator box 5 controls the water flow, one part of, the water pressure in the conveying pipeline 2 can also be reduced accordingly, thereby eliminating the generation of negative pressure, realizing the automatic regulation and control of water pressure, solving the problem of unstable water pressure, when the pressure is lower, the condition that the water is not supplied timely or can not be supplied easily appears, the water pressure detector 901 detects the water pressure in real time, the booster 401 is opened under the control of the controller 7, the pressure of the water supply equipment without negative pressure is improved, the throttle valve 601 arranged can avoid the backflow of water flow, the water supply of all terminal users is satisfied, and the water supply equipment without negative pressure can adapt to different pressure environments to ensure the normal water supply.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. A variable frequency speed regulator for non-negative pressure water supply comprises a conveying pipeline (2), an air pressure tank (4), a supercharging device (401), a pressure stabilizing device (402), a variable frequency speed regulator box (5), an electric control butterfly valve (6), a throttle valve (601), a controller (7), a flowmeter (8), a pressure sensor (9) and a water pressure detector (901), it is characterized in that the conveying pipeline (2) is sequentially connected with a pressure sensor (9), a flowmeter (8), an electric control butterfly valve (6), a variable-frequency speed regulator box (5), a throttle valve (601), the electric control butterfly valve (6), an air pressure tank (4), a pressure stabilizer (402) and a water pressure detector (901) from right to left, the upper part of the air pressure tank (4) is connected with a supercharging device (401), the variable frequency speed regulator box (5) is electrically connected with a controller (7), the left end and the right end of the conveying pipeline (2) are fixedly connected with a user pipe network (3) and a water inlet pipeline (1).
2. The variable frequency speed regulator for non-negative pressure water supply according to claim 1, wherein a signal preprocessor is arranged inside the controller (7), and pressure gauges are arranged above the air pressure tank (4), the supercharging device (401), the pressure stabilizing device (402), the variable frequency speed regulator box (5), the pressure sensor (9) and the water pressure detector (901), and are electrically connected with the signal preprocessor.
3. The variable-frequency speed regulator for non-negative-pressure water supply according to claim 1, wherein the conveying pipeline (2), the user pipeline network (3) and the water inlet pipeline (1) are all made of food-grade stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347419.8U CN213477032U (en) | 2020-10-20 | 2020-10-20 | Variable-frequency speed regulator for non-negative pressure water supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022347419.8U CN213477032U (en) | 2020-10-20 | 2020-10-20 | Variable-frequency speed regulator for non-negative pressure water supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213477032U true CN213477032U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022347419.8U Active CN213477032U (en) | 2020-10-20 | 2020-10-20 | Variable-frequency speed regulator for non-negative pressure water supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213477032U (en) |
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2020
- 2020-10-20 CN CN202022347419.8U patent/CN213477032U/en active Active
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