CN201416184Y - Integrated non-negative pressure water supply equipment - Google Patents

Abstract

The utility model discloses an integral non-negative pressure water supply equipment which comprises a water supply pipeline constructed by a water pump and a water pipe connected with each other, andboth ends of the water supply pipeline are provided with a water inlet end and a water outlet end; the water supply equipment also comprises a flow regulating tank, an intelligent controller and a water pressure sensing device, the water pressure sensing device is arranged on the water supply pipeline, the water pressure sensing device and the water pump are all electrically connected with the intelligent controller, and the water pump, the water pipe and the intelligent controller are mounted integrally; a water inlet, a water outlet and an air balance port communicated with the interior ofthe tank body are arranged on the flow regulating tank, and the water inlet end of the water supply pipeline is communicated with the water outlet of the flow regulating tank. When the integral non-negative pressure water supply equipment is adopted, the intelligent controller is adopted to realize the intelligent control of the water pump, the water pressure is ensured to be more stable, the useand maintenance are very convenient, and the impact on the water pipeline network and the power grid is avoided.

Description

Integrated non-negative pressure water supply equipment

technical field

The utility model relates to an integrated non-negative pressure water supply equipment.

Background technique

The existing non-negative pressure water supply equipment is mainly composed of direct-connected pressurized water supply equipment and frequency conversion speed control cabinet; the frequency conversion speed control cabinet is used to control the opening or closing of the water pump, and can also control the speed of the water pump The existing water supply equipment also has the following disadvantages:

1. The existing water supply equipment is controlled by frequency conversion and speed regulation control cabinet, which has complex structure, high configuration cost and large floor space;

2. On-site installation and wiring are cumbersome, cumbersome to use and operate, and inconvenient to use and maintain;

3. Since the control circuit is quite complicated, the frequency conversion speed control cabinet must be equipped with manual operation to directly start the water pump to ensure water use, which will have a certain impact on the reliable operation of the system and water supply equipment;

4. During the switching process of the water pump, it will cause a certain impact on the power grid and water pipe network.

Contents of the invention

The purpose of this utility model is to provide an integrated non-negative pressure water supply equipment. After adopting this utility model, the water pump can be intelligently controlled by an intelligent controller, so that the water supply pressure is more stable, and the use and maintenance are very convenient. Water pipe network and power grid caused impact.

Its technical scheme is as follows:

Integrated non-negative pressure water supply equipment. The water supply equipment includes a water delivery pipeline connected by a water pump and a water delivery pipe. The two ends of the water delivery pipeline are the water inlet and the water outlet. The controller and the water pressure sensing device, the water pressure sensing device is set on the water delivery pipeline, the water pressure sensing device and the water pump are electrically connected to the intelligent controller, and the water pump, the water delivery pipe and the intelligent controller are installed in one piece; the flow rate The regulating tank is provided with a water inlet, a water outlet and an air balance port communicating with the inside of the tank body, and the water inlet end of the water delivery pipeline is connected with the water outlet of the flow regulating tank.

The utility model is connected with a flow regulating tank on the water delivery pipeline. The tap water in the tap water pipe network enters the flow regulating tank through the water inlet, and stores a large amount of tap water in the flow regulating tank. When the water pump starts, the water in the flow regulating tank Enter the water delivery pipeline through the water outlet and be pressurized by the water pump, and then output from the water outlet. In the case of a large external water demand, the water pressure sensing device senses the change of the water pressure in the water delivery pipeline in time, and The signal is transmitted to the intelligent controller, and the intelligent controller controls the start or speed of the water pump to keep the water pressure at the water outlet relatively stable; when the water pump pumps more water out of the flow regulating tank, due to the flow regulating Tank, so it will not cause instantaneous negative pressure on the tap water pipe network. When the external demand for water is stable, the water in the tap water pipe network will be filled into the flow regulating tank through the water inlet for storage; when the tap water enters the flow regulating tank or flows from the flow regulating tank When drawing out, due to the unbalanced air pressure in the flow regulating tank, the air pressure in the flow regulating tank can be kept relatively stable through the air balance port.

Further structure of the present utility model is:

A bypass pipe is also provided, and a check valve is arranged on the bypass pipe. When the water pressure in the flow regulating tank can meet the water requirements, the water in the flow regulating tank can be directly supplied to the outside through the bypass pipe. When the water pressure in the flow regulating tank is lower than the set value, start the water pump to increase the pressure. This structure can effectively save electric energy.

There are at least two water pumps, and the outlets of the at least two water pumps are all in communication with the water delivery pipe. When the water demand is small, one water pump can be turned on directly. If the water demand is large and one water pump cannot meet the demand, the second water pump can be turned on again; this structure can control the working conditions of the water pump according to the water demand , the energy-saving effect is more ideal.

There are at least two intelligent controllers which are consistent with the number of the water pumps; each of the intelligent controllers is electrically connected to each other, and each of the intelligent controllers is electrically connected to each of the water pumps in a one-to-one correspondence. Each intelligent controller controls the corresponding water pump respectively, and the transmission of signals between the intelligent controllers is also maintained.

Each of the intelligent controllers is respectively installed on the back side of each of the water pumps. Since the intelligent controller of the utility model adopts a miniaturized design, the intelligent controller can be directly installed on the water pump, thereby reducing the space occupied by the entire water supply device and greatly reducing the configuration cost.

An air pressure tank is also provided on the water delivery pipe, and the air pressure tank communicates with the water delivery pipe. A certain amount of air can be stored in the air pressure tank, and when the water pressure output by the water pump is too high or too low, the air pressure tank can play a certain buffering and compensating role, so that the output water pressure of the water delivery pipe is more stable.

The intelligent controller at least includes a central processing module, a frequency conversion module and an adjustment module. The parameters of the intelligent controller can be set through the adjustment module, and the central processing module calculates the parameters input by the adjustment module, the signals transmitted by various sensors such as water pressure sensing devices, and finally transmits the control signal to the frequency converter Module, the operation of the water pump is controlled by the frequency conversion module.

A vacuum controller is provided at the air balance port, and the vacuum controller can open or close the air balance port as required.

In summary, the utility model has the advantages of:

1. Automatic identification function of unmanned water, when no one is using water, the pressure remains unchanged, and the delay stop function can be set;

2. Automatic monitoring and judging function of insufficient water at the water inlet;

3. It can automatically start and resume operation after the power failure and after the water level of the water inlet is restored;

4. When used in cold regions, the antifreeze function of the water pump can prevent freezing damage, even if the water pump stops supplying water, it can still rotate slowly;

5. Applicable to a variety of sensor signals, such as resistance remote pressure gauges, electric contact pressure gauges or pressure switches, pressure transmitters, etc., are not limited by conditions and are more convenient to use;

6. Automatic detection and alarm of water supply faults, such as high water pressure, low water pressure, low water level stop pump, etc.;

7. Perfect motor protection functions, such as: running overload, short circuit, overheating, overvoltage, undervoltage, etc.;

8. The integrated structural design reduces the equipment configuration cost and occupied space;

9. According to the water pressure and water consumption, the number of water pumps to be turned on can be determined, so that the water pressure at the water outlet can be kept constant, and the energy saving effect is good;

10. During the working process, the double pumps can take turns to rest and use alternately;

11. When one of the water pumps fails, the intelligent controller can control the water pump to realize the automatic conversion of the two water pumps;

12. Due to the setting of the flow regulating tank, when the water consumption increases sharply, it can avoid negative pressure in the water pipe network and effectively reduce the impact on the water pipe network.

Description of drawings

Fig. 1 is the front view of the utility model;

Fig. 2 is a side view of the utility model;

Fig. 3 is the top view of the utility model;

Explanation of reference signs:

1. Water pump, 2. Water pipe, 3. Water outlet, 4. Flow regulating tank, 5. Water inlet, 6. Air balance port, 7. Intelligent controller, 8. Water inlet pressure gauge, 9. Water outlet pressure gauge, 10. Air pressure tank, 11. Base, 12. Bypass pipe, 13. Pressure sensor, 14. Vacuum controller.

Detailed ways

As shown in Figures 1 to 3, the integrated non-negative pressure water supply equipment includes a water delivery pipeline connected by a water pump 1 and a water delivery pipe 2, and the two ends of the water delivery pipeline are the water inlet end and the water outlet end 3 The water supply equipment also includes a flow regulating tank 4, an intelligent controller 7 and a water pressure sensing device (in this embodiment, the water pressure sensing device includes a water inlet pressure gauge 8, an outlet water pressure gauge 9 and a pressure sensor 13), The water inlet pressure gauge 8 is arranged on the flow regulating tank 4, the water outlet pressure gauge 9 and the pressure sensor 13 are arranged on the water delivery pipeline, the pressure sensor 13, the water pump 1 are all electrically connected with the intelligent controller 7, and the water pump 1, the water delivery pipe 5, The intelligent controller 7 is installed in one piece; the flow regulating tank 4 is provided with a water inlet 5, a water outlet and an air balance port 6 communicating with the inside of the tank, and the water inlet end of the water delivery pipeline is connected with the water outlet of the flow regulating tank 4 .

Wherein, a bypass pipe 12 is provided between the water inlet end and the water outlet end 3, and a one-way valve is provided on the bypass pipe 12; an air pressure tank 10 is also arranged on the water delivery pipe 2, and the air pressure tank 10 and the water delivery pipe 2 connected. There are two water pumps 1, and the two water pumps 1 are installed on the base 11. The outlets of the two water pumps 1 are connected to the water delivery pipe 2. There are also two intelligent controllers 7, and each intelligent controller 7 is installed separately. On the back side of each water pump 1; each intelligent controller 7 is electrically connected to each other, and each intelligent controller 7 is electrically connected to each water pump 1; the intelligent controller 7 includes a central processing module, a frequency conversion module and an adjustment module.

The utility model is connected with a flow regulating tank 4 on the water delivery pipeline. The tap water in the tap water pipe network enters the flow regulating tank 4 through the water inlet 5, and stores a large amount of tap water in the flow regulating tank 4. If the flow regulating tank 4 When the water pressure can meet the water pressure, the water in the flow regulating tank 4 can be directly supplied to the outside through the bypass pipe 12; when the water pressure in the flow regulating tank 4 is lower than the set value, the pressure sensor 13 senses the water delivery pipeline in time Changes in the water pressure in the middle, and the signal is transmitted to the intelligent controller 7, and the intelligent controller 7 controls the speed of the water pump 1 to keep the water pressure at a relatively stable level; when the water demand is small, a water pump 1 can be directly turned on That is, if the water demand is large and one water pump 1 cannot meet the demand, the second water pump 1 can be turned on again; this structure can control the working condition of the water pump 1 according to the water demand, and the energy saving effect is more ideal. On the other hand, when the external water demand is large, the water pump 1 will pump out more water from the flow regulating tank 4. Since the flow regulating tank 4 is installed, it will not cause instantaneous negative pressure to the tap water pipe network. After the external demand for water is stabilized, the water in the tap water pipe network is replenished into the flow regulating tank 4 through the water inlet 5 for storage; balance, the air pressure in the flow regulating tank 4 can be kept relatively stable through the air balance port 6; meanwhile, this embodiment also has the following advantages:

1. Automatic identification function of unmanned water, when no one is using water, the pressure remains unchanged, and the delay stop function can be set;

2. Automatic monitoring and judging function of insufficient water at water inlet 5;

3. When the power is turned on after the power failure and the water level of the water inlet 5 is restored, it can automatically start and resume operation;

4. When used in cold regions, the water pump 1 has the anti-freezing function that can prevent freezing damage. Even if the water pump 1 stops supplying water, it can still rotate slowly;

5. Applicable to a variety of sensor signals, such as resistance remote pressure gauges, electric contact pressure gauges or pressure switches, pressure transmitters, etc., are not limited by conditions and are more convenient to use;

6. Automatic detection and alarm of water supply faults, such as high water pressure, low water pressure, low water level stop pump, etc.;

7. Perfect motor protection functions, such as: running overload, short circuit, overheating, overvoltage, undervoltage, etc.;

8. The integrated structural design reduces the equipment configuration cost and occupied space;

9. During the working process, the two water pumps 1 can take turns to rest and use alternately;

10. When one of the water pumps 1 fails, the intelligent controller 7 can control the water pump 1 to realize the automatic switching of the two water pumps 1 .

The above are only preferred embodiments of the utility model, and do not limit the protection scope of the utility model; any replacement and improvement made on the basis of not violating the concept of the utility model all belong to the protection scope of the utility model.

Claims (8)

1. An integrated non-negative pressure water supply equipment, the water supply equipment includes a water delivery pipeline connected by a water pump and a water delivery pipe, and the two ends of the water delivery pipeline are the water inlet end and the water outlet end; it is characterized in that the water supply equipment It also includes a flow regulating tank, an intelligent controller and a water pressure sensing device. The water pressure sensing device is arranged on the water delivery pipeline. The controller is installed in one piece; the flow regulating tank is provided with a water inlet, a water outlet and an air balance port connected to the inside of the tank, and the water inlet end of the water delivery pipeline is connected with the water outlet of the flow regulating tank. 2. The integrated non-negative pressure water supply device according to claim 1, characterized in that a bypass pipe is provided between the water inlet end and the water outlet end, and a check valve is provided on the bypass pipe . 3. The integrated non-negative pressure water supply device as claimed in claim 1, wherein an air pressure tank is provided on the water delivery pipe, and the air pressure tank communicates with the water delivery pipe. 4. The integrated non-negative pressure water supply device according to claim 1, wherein there are at least two water pumps, and the outlets of the at least two water pumps are all connected to the water delivery pipe. 5. The integrated non-negative pressure water supply equipment as claimed in claim 4, characterized in that there are at least two intelligent controllers which are consistent with the number of the water pumps; each of the intelligent controllers is electrically connected to each other, and each The intelligent controller is electrically connected to each of the water pumps in a one-to-one correspondence. 6. The integrated non-negative pressure water supply device according to claim 1, wherein each of the intelligent controllers is respectively installed on the back side of each of the water pumps. 7. The integrated non-negative pressure water supply device according to any one of claims 1 to 6, wherein the intelligent controller at least includes a central processing module, a frequency conversion module and an adjustment module. 8. The integrated non-negative pressure water supply device according to any one of claims 1 to 6, wherein a vacuum controller is provided at the air balance port.

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