CN210249756U - Constant-pressure water supply device for dish washer - Google Patents
Constant-pressure water supply device for dish washer Download PDFInfo
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- CN210249756U CN210249756U CN201920653214.7U CN201920653214U CN210249756U CN 210249756 U CN210249756 U CN 210249756U CN 201920653214 U CN201920653214 U CN 201920653214U CN 210249756 U CN210249756 U CN 210249756U
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Abstract
The utility model provides a constant pressure water supply installation for dish washer, it has more stable delivery port water pressure mutually. It includes: a closed water storage device having a water inlet connected to a source of tap water; the closed water storage device is provided with a water outlet connected with the constant pressure water pump; the constant pressure water pump is used for pumping water in the water storage device and providing constant water outlet pressure.
Description
Technical Field
The utility model belongs to commercial dish washer field, in particular to improvement to commercial dish washer water supply system.
Background
Commercial dish washers use a spraying method to clean tableware, and need to continuously inject clean water into the dish washers, so that the water consumption of common dish washers is very large, some dish washers directly use tap water as a water source, and the unstable water pressure of the tap water can cause the cleaning effect to fail to meet the expected requirement and waste water. In order to improve the cleaning effect and save water, the water inlet of the water pipe can be pressurized by a water pump, so that the water outlet speed of the spraying water of the dish washing machine is improved by improving the water pressure. The mode of directly increasing the water pump can improve above-mentioned problem to a certain extent, but water pressure still can receive the influence of water source water pressure.
In order to achieve better spraying cleaning effect and disinfection effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a constant voltage water supply installation of dish washer, thereby it improves water pump play water hydraulic stability through set up water storage device buffering water source hydraulic fluctuation to the influence of water pump before the water pump, keeps the water outlet nozzle of dish washer shower to have higher play water speed all the time. The water supply device includes: a closed water storage device having a water inlet connected to a source of tap water; the closed water storage device is provided with a water outlet connected with the constant pressure water pump; the constant pressure water pump is used for pumping water in the water storage device and providing constant water outlet pressure.
Preferably, the water storage device is a closed box body.
Preferably, the water outlet of the water storage device is connected with the water inlet of the constant pressure water pump through a pipeline;
preferably, the water outlet of the constant pressure water pump is connected with the water inlet of the heating bag through a pipeline.
Preferably, the water outlet of the heating bag is connected with a high-temperature spray pipe of the dishwasher through a pipeline.
Preferably, the constant pressure water pump comprises a pressure sensor arranged at the water outlet of the constant pressure water pump, a control panel connected with the pressure sensor, and a frequency converter connected with the control panel, wherein the frequency converter is used for controlling the rotating speed of the water pump so as to adjust the output water pressure of the water pump. The frequency converter and the control board adjust the rotating speed of the water pump according to the water pressure change of the sensor, so that the water outlet pressure is more accurate and stable.
Preferably, a water pressure adjusting man-machine interface is arranged on the control board, and the water pressure can be set to a specific value through the water pressure adjusting man-machine interface.
The technical scheme of this application is prior art's improvement relatively lies in, the front end of water pump has water storage equipment, and this water storage equipment can cushion the influence of water source water pressure change to the water pump to make and have more stable water pressure under the relative condition that directly uses the water pump to supply water. In the further scheme, the water pressure of the water outlet is further subjected to feedback closed-loop regulation by using the sensor and the frequency converter, so that the water pressure of the water outlet is further stabilized.
Drawings
FIG. 1 is a schematic view showing a constant pressure water supply system of a dishwasher and a water spray pipe connected to the water supply system.
Fig. 2 is a schematic diagram of a constant pressure water supply system control module.
Detailed Description
Referring to fig. 1, the dishwasher includes a structure and components related to a water supply system, and the irrelevant structure is omitted. The dish washing machine comprises a table board assembly 13, a washing water tank 14 and a high-temperature spraying water tank 15, wherein the washing water tank 14 and the high-temperature spraying water tank 15 are arranged below the table board assembly, the volume of the washing water tank 14 is larger than that of the high-temperature spraying water tank 15, and water pumps are arranged at the bottoms of the washing water tank 14 and the high-temperature spraying water tank 15 to enable water in the washing water tank 14 and the high-temperature spraying water tank 15 to be recycled.
A high-temperature spray pipe 12 is arranged above the high-temperature spray water tank 15, and hot water is sprayed from the high-temperature spray pipe 12, so that the high-temperature spray pipe has the functions of high-temperature disinfection and sterilization and stain cleaning. The high-temperature spray pipe 12 comprises an upper spray pipe and a lower spray pipe 121, and the upper spray pipe 12 and the lower spray pipe 121 are connected through a water delivery pipe. The water delivery pipe 11 is connected with a constant pressure water supply device 200 of the dishwasher, and the constant pressure water supply device 200 supplies continuous and stable water pressure to the shower pipe 12 to ensure a washing effect. The constant pressure water outlet apparatus 200 includes: a closed water reservoir 21, the closed water reservoir 21 having an inlet 25 connected to a source of mains water; the closed water storage device 21 is provided with a water outlet 211 connected with a constant pressure water pump; the constant pressure water pump 22 is used for pumping water in the water storage device 21 and providing a constant outlet water pressure.
The constant-pressure water supply device provides buffering for the water source of the water pump 22 through the closed water storage device 21, so that the influence of the change of the water source water pressure on the water pressure of the water pump 22 is reduced, and the outlet water of the water supply device M is stable.
The water storage device 21 is a closed box body. The water inlet 25 of the water-saving spraying device is connected with a water source, the water outlet is connected with a heating bag 23 for heating, a heating device is arranged in the heating bag 23, the heating device continuously heats cold water entering the inlet after being electrified, and the cold water flows out of the water outlet to form the spraying pipe 12.
The water outlet of the water storage device M is connected with the water inlet 23 of the constant pressure water pump through a pipeline 24; the water storage device 21 can be provided with a plurality of water outlets to be connected with a plurality of water pumps 22 so as to meet the requirements of supplying water to a plurality of places.
The water outlet of the constant pressure water pump 22 is connected with the water inlet of the heating bag 23 through a pipeline 24. The water temperature at the outlet 26 of the heating bag is suitable for cleaning tableware, and the water temperature at the water outlet can be increased by connecting a plurality of heating bags in series 23. The water outlet of the heating bag 23 is connected with a high-temperature spray pipe of the dish-washing machine through a pipeline.
Referring to fig. 2, the constant pressure water pump includes a pressure sensor disposed at a water outlet of the constant pressure water pump, a control board connected to the pressure sensor, and a frequency converter connected to the control board, the frequency converter being configured to control a rotation speed of the water pump to adjust an output water pressure thereof. The control panel and the water pressure sensor realize real-time detection of water pressure at the water outlet, and the rotating speed of a water pump motor is adjusted by adjusting the frequency converter, so that the water pressure at the water outlet is controlled to be stabilized in a better range.
And a water pressure adjusting man-machine interface is arranged on the control panel, and the water pressure can be set to a specific value through the water pressure adjusting man-machine interface. The man-machine interface comprises a display device capable of displaying water pressure and a button capable of adjusting the water pressure, and the control panel adjusts the rotating speed of the water pump through the frequency converter according to the detected water pressure and the adjusted water pressure difference value of a user so as to enable the water pressure to be increased or decreased to the water pressure set by the user.
Claims (7)
1. A constant pressure water supply device for a dishwasher, comprising: a closed water storage device having a water inlet connected to a source of tap water; the closed water storage device is provided with a water outlet connected with the constant pressure water pump; the constant pressure water pump is used for pumping water in the water storage device and providing constant water outlet pressure.
2. The constant pressure water supply apparatus for a dishwasher of claim 1, wherein the water storage means is a closed box.
3. The constant pressure water supply apparatus for a dishwasher of claim 1, wherein the water outlet of the water storage means is connected to the water inlet of the constant pressure water pump through a pipe.
4. The constant pressure water supply apparatus for a dishwasher of claim 3, wherein a water outlet of the constant pressure water pump is connected to a water inlet of the heating pack through a pipe.
5. The constant pressure water supply apparatus for a dishwasher of claim 4, wherein the water outlet of the heating pack is connected to a high temperature shower pipe of the dishwasher through a pipe.
6. The constant pressure water supply apparatus for a dishwasher as claimed in claim 1, wherein the constant pressure water pump includes a pressure sensor provided at a water outlet of the constant pressure water pump, a control board connected to the pressure sensor, and a frequency converter connected to the control board for controlling a rotation speed of the water pump to adjust an output water pressure thereof.
7. The constant pressure water supply apparatus for a dishwasher of claim 6, wherein the control panel is provided with a water pressure adjusting man-machine interface through which the water pressure value can be set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653214.7U CN210249756U (en) | 2019-05-08 | 2019-05-08 | Constant-pressure water supply device for dish washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920653214.7U CN210249756U (en) | 2019-05-08 | 2019-05-08 | Constant-pressure water supply device for dish washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210249756U true CN210249756U (en) | 2020-04-07 |
Family
ID=70024052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920653214.7U Active CN210249756U (en) | 2019-05-08 | 2019-05-08 | Constant-pressure water supply device for dish washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210249756U (en) |
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2019
- 2019-05-08 CN CN201920653214.7U patent/CN210249756U/en active Active
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