阅读说明：本技术 一种适用于洗碗机的水路系统及其控制方法 (Waterway system suitable for dish-washing machine and control method thereof ) 是由 赵杰明 郭灵华 潘叶江 于 2019-11-11 设计创作，主要内容包括：本发明公开了一种适用于洗碗机的水路系统及其控制方法,包括洗碗机和热水器,其中所述洗碗机包括洗碗舱、水杯、喷头、回水管和喷水管,所述水杯设置于所述洗碗舱底部,所述喷头设置于所述洗碗舱内,所述回水管与所述水杯连接,所述喷水管一端与所述回水管连接,另一端与所述喷头连接,所述热水器连接有机外冷水管和机外热水管,所述机外热水管与所述回水管或者所述喷水管连接。其可以直接使用热水器提供的热水,省去了洗碗机的加热部件,提升能效的同时也降低系统的复杂性。(The invention discloses a waterway system suitable for a dish washing machine and a control method thereof, wherein the waterway system comprises the dish washing machine and a water heater, the dish washing machine comprises a dish washing cabin, a water cup, a spray head, a water return pipe and a water spray pipe, the water cup is arranged at the bottom of the dish washing cabin, the spray head is arranged in the dish washing cabin, the water return pipe is connected with the water cup, one end of the water spray pipe is connected with the water return pipe, the other end of the water spray pipe is connected with the spray head, the water heater is connected with an external cold water pipe and an external hot water pipe, and the external hot water pipe is connected with. The hot water provided by the water heater can be directly used, a heating part of a dish washing machine is omitted, energy efficiency is improved, and complexity of the system is reduced.)

1. A waterway system suitable for a dishwasher, characterized in that: including dish washer and water heater, wherein dish washer is including washing the dishes cabin, drinking cup, shower nozzle, wet return and spray pipe, the drinking cup set up in the washing the dishes cabin bottom, the shower nozzle set up in the washing the dishes cabin, the wet return with the drinking cup is connected, spray pipe one end with the wet return is connected, the other end with the shower nozzle is connected, the water heater is connected with outer cold water pipe and outer hot-water line of machine, outer hot-water line with the wet return perhaps the spray pipe is connected.

2. A waterway system adapted to a dishwasher according to claim 1, wherein: the dish washing cabin further comprises a water inlet pipe, and the external hot water pipe is connected with the water return pipe or the water spraying pipe through the water inlet pipe.

3. A waterway system adapted to a dishwasher according to claim 2, wherein: and a booster pump is arranged at the joint of the water return pipe and the water spray pipe.

4. A waterway system for a dishwasher according to claim 3, wherein: the water return pipe is provided with a water return valve, one end of the water inlet pipe is connected with the external hot water pipe, the other end of the water inlet pipe is connected between the water return valve and the booster pump, and the water inlet pipe is provided with a water inlet valve.

5. A waterway system adapted to a dishwasher according to claim 2, wherein: and a three-way valve is arranged at the joint of the water inlet pipe and the water return pipe.

6. A waterway system adapted to a dishwasher according to claim 1, wherein: the dishwasher further comprises a cold water pipe, wherein one end of the cold water pipe is connected with the water spraying pipe, and the other end of the cold water pipe is connected with external cold water.

7. A waterway system for a dishwasher according to claim 6, wherein: the cold water pipe is provided with a cold water valve, and a water spray valve is arranged between the connection part of the cold water pipe and the water spray pipe and the spray head.

8. A waterway system for a dishwasher according to claim 6, wherein: and a three-way valve is arranged at the joint of the cold water pipe and the water spray pipe.

9. A waterway system adapted to a dishwasher according to claim 1, wherein: the dishwasher further comprises a drain pipe, one end of the drain pipe is connected with the water cup, the other end of the drain pipe is connected with the water outlet, and a drain pump and a drain valve are arranged on the drain pipe.

10. A waterway system adapted to a dishwasher according to claim 1, wherein: the water spray pipe is provided with a temperature probe and a water flow sensing device, and a liquid level monitor is arranged in the dish washing cabin.

11. A control method of a waterway system for a dishwasher according to any one of claims 1 to 10, the control method comprising the steps of:

starting the dish washer, and setting the temperature of hot water;

judging whether the water flow of the water spray pipe is larger than the program minimum flow or not;

if the water flow of the water spray pipe is larger than the program minimum flow, judging whether the water temperature is continuously larger than the preset hot water temperature in the set water passing time;

if the water temperature is continuously higher than the preset hot water temperature within the set water-passing time, judging whether the water level of the water cup reaches the highest point of the preset liquid level;

and if the water level of the water cup reaches the highest point of the preset liquid level, starting hot water washing.

12. The method of claim 11, wherein: the steps of judging whether the water flow of the water spray pipe is larger than the program minimum flow are as follows:

if the water flow of the water spray pipe is larger than the program minimum flow, judging whether the water temperature is continuously larger than the preset hot water temperature in the set water passing time;

and if the water flow of the water spray pipe is smaller than the program minimum flow, giving an alarm to prompt blocking or giving an alarm to prompt too small water quantity.

13. The method of claim 11, wherein: the step of judging whether the water temperature is continuously greater than the preset hot water temperature within the set water-passing time specifically comprises the following steps:

if the water temperature is continuously higher than the preset hot water temperature, judging whether the water level of the water cup reaches the highest point of the preset liquid level;

if the water temperature is not continuously higher than the preset hot water temperature, an alarm is given to prompt that no hot water exists.

14. The method of claim 11, wherein: the hot water washing starting step comprises the following steps:

determining whether the circulation flow is greater than a programmed minimum flow,

if the circulating flow is larger than the program minimum flow, judging whether the water temperature is lower than the preset hot water temperature;

if the water temperature is not lower than the preset hot water temperature, judging whether the maximum hot water washing time of the program is reached;

and if the maximum hot water washing time of the program is reached, finishing the washing.

Technical Field

The invention relates to the technical field of dish washing machines, in particular to a waterway system suitable for a dish washing machine and a control method thereof.

Background

The present dishwasher generally integrates a heating component to heat water and then wash the water to improve cleanliness. Dishwashers generally heat water by electrical heating, which increases the complexity of the dishwasher system, reduces reliability, and the dishwasher has a low heating efficiency, resulting in increased energy consumption of the dishwasher.

In addition, the dishwasher pressurizes the water channel through the circulating pump to realize spraying, the integration of the circulating pump further improves the complexity of the structure of the dishwasher and reduces the reliability of products.

Disclosure of Invention

The present invention has been made to solve at least some of the problems occurring in the related art, and therefore it is an object of the present invention to provide a waterway system for a dishwasher, which reduces the complexity of the product structure of the dishwasher to thereby improve the reliability of the product.

The above purpose is realized by the following technical scheme:

a waterway system suitable for a dishwasher, characterized in that: including dish washer and water heater, wherein dish washer is including washing the dishes cabin, drinking cup, shower nozzle, wet return and spray pipe, the drinking cup set up in the washing the dishes cabin bottom, the shower nozzle set up in the washing the dishes cabin, the wet return with the drinking cup is connected, spray pipe one end with the wet return is connected, the other end with the shower nozzle is connected, the water heater is connected with outer cold water pipe and outer hot-water line of machine, outer hot-water line with the wet return perhaps the spray pipe is connected.

As a further improvement of the invention, the dishwashing cabin further comprises a water inlet pipe, and the external hot water pipe is connected with the water return pipe or the water spray pipe through the water inlet pipe.

As a further improvement of the invention, a booster pump is arranged at the joint of the water return pipe and the water spray pipe.

As a further improvement of the invention, a water return valve is arranged on the water return pipe, one end of the water inlet pipe is connected with the external hot water pipe, the other end of the water inlet pipe is connected between the water return valve and the booster pump, and a water inlet valve is arranged on the water inlet pipe.

As a further improvement of the invention, a three-way valve is arranged at the joint of the water inlet pipe and the water return pipe.

As a further improvement of the invention, the dishwasher also comprises a cold water pipe, wherein one end of the cold water pipe is connected with the water spray pipe, and the other end of the cold water pipe is connected with external cold water.

As a further improvement of the invention, a cold water valve is arranged on the cold water pipe, and a water spray valve is arranged between the connection part of the cold water pipe and the water spray pipe and the spray head.

As a further improvement of the invention, a three-way valve is arranged at the joint of the cold water pipe and the water spray pipe.

As a further improvement of the invention, the dishwasher also comprises a drain pipe, one end of the drain pipe is connected with the water cup, the other end of the drain pipe is connected with a water outlet, and a drain pump and a drain valve are arranged on the drain pipe.

As a further improvement of the invention, a temperature probe and a water flow sensing device are arranged on the spray pipe, and a liquid level monitor is arranged in the dishwashing cabin.

A further object of the present invention is to provide a control method of a waterway system for a dishwasher, the method comprising the steps of: starting the dish washer, and setting the temperature of hot water; judging whether the water flow of the water spray pipe is larger than the program minimum flow or not; if the water flow of the water spray pipe is larger than the program minimum flow, judging whether the water temperature is continuously larger than the preset hot water temperature in the set water passing time; if the water temperature is continuously higher than the preset hot water temperature within the set water-passing time, judging whether the water level of the water cup reaches the highest point of the preset liquid level; and if the water level of the water cup reaches the highest point of the preset liquid level, starting hot water washing.

As a further improvement of the invention, the step of judging whether the water flow of the water spray pipe is larger than the program minimum flow is specifically as follows: if the water flow of the water spray pipe is larger than the program minimum flow, judging whether the water temperature is continuously larger than the preset hot water temperature in the set water passing time; and if the water flow of the water spray pipe is smaller than the program minimum flow, giving an alarm to prompt blocking or giving an alarm to prompt too small water quantity.

As a further improvement of the present invention, the step of determining whether the water temperature is continuously greater than the preset hot water temperature within the set water passing time specifically comprises: if the water temperature is continuously higher than the preset hot water temperature, judging whether the water level of the water cup reaches the highest point of the preset liquid level; if the water temperature is not continuously higher than the preset hot water temperature, an alarm is given to prompt that no hot water exists.

As a further improvement of the invention, the step of starting the hot water washing comprises the following steps: judging whether the circulation flow is larger than the program minimum flow or not, and if the circulation flow is larger than the program minimum flow, judging whether the water temperature is lower than the preset hot water temperature or not; if the water temperature is not lower than the preset hot water temperature, judging whether the maximum hot water washing time of the program is reached; and if the maximum hot water washing time of the program is reached, finishing the washing.

Compared with the prior art, the invention at least comprises the following beneficial effects:

1. the invention provides a waterway system suitable for a dish-washing machine, which can directly use hot water provided by a water heater, saves a heating part of the dish-washing machine, improves the energy efficiency and simultaneously reduces the complexity of the system.

2. The temperature probe is arranged on the spray pipe, detects the water temperature of water flowing through the spray pipe, and controls the water temperature within a preset range so as to better wash bowls.

3. A control method of a waterway system is provided, which is simple and convenient to use by hot water provided by a water heater

Drawings

FIG. 1 is a schematic diagram of a waterway system according to an embodiment;

FIG. 2 is a schematic view showing a structure of a dishwasher according to an embodiment;

FIG. 3 is a schematic flow diagram of an embodiment;

FIG. 4 is a schematic illustration of a cold water wash process;

FIG. 5 is a schematic structural diagram of a three-way waterway system of the embodiment;

FIG. 6 is a schematic structural view of a dishwasher according to a third embodiment;

FIG. 7 is a schematic flow chart of the fourth embodiment.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.