阅读说明：本技术 一种清洗机及应用有该清洗机的清洗方法 (Cleaning machine and cleaning method applying same ) 是由 候修群 于 2018-08-16 设计创作，主要内容包括：本发明涉及一种清洗机,包括水槽本体、换热器,水槽本体上开有进水口及出水口,出水口上连接有能将出水排出的第一牵引阀,第一牵引阀上连接有排水管道,水槽本体上还设置有能对水槽本体中的水进行加热的加热盘,换热器设于水槽本体外并具有独立且能相互换热的冷水腔、热水腔,热水腔通过管道与第一牵引阀相连接,热水腔的底部还连接有能将热水排出的第二牵引阀,冷水腔通过管道分别与冷水供给机构及水槽本体的进水口相连接。在清洗机进行第二道水、第三道水的清洗时,利用第一道水对第四道水进行预热,不仅有效提高了能量的利用率,降低了加热第四道水所需能耗,整个预热过程也不需要增加额外的预热时间,有效节约了电能。(The invention relates to a cleaning machine which comprises a water tank body and a heat exchanger, wherein a water inlet and a water outlet are formed in the water tank body, a first traction valve capable of discharging discharged water is connected to the water outlet, a drainage pipeline is connected to the first traction valve, a heating plate capable of heating water in the water tank body is further arranged on the water tank body, the heat exchanger is arranged outside the water tank body and is provided with a cold water cavity and a hot water cavity which are independent and capable of exchanging heat with each other, the hot water cavity is connected with the first traction valve through a pipeline, a second traction valve capable of discharging hot water is further connected to the bottom of the hot water cavity, and the cold water cavity is respectively connected with a cold water supply mechanism and the water inlet of the water tank body through pipelines. When the cleaning machine is used for cleaning the second water and the third water, the first water is used for preheating the fourth water, so that the utilization rate of energy is effectively improved, the energy consumption for heating the fourth water is reduced, the whole preheating process does not need to increase extra preheating time, and the electric energy is effectively saved.)

1. The utility model provides a cleaning machine, includes basin body (1), it has water inlet (11) and delivery port (12) to open on this basin body (1), be connected with on delivery port (12) and can be with first traction valve (13) of effluent discharge, be connected with drainage pipe (14) on first traction valve (13), still be provided with on basin body (1) and carry out heating plate (15) that heat, its characterized in that to the water in basin body (1): still include heat exchanger (2), this heat exchanger (2) are located outside basin body (1) and have independent and cold water chamber (21), the hot water chamber (22) that just can exchange heat each other, hot water chamber (22) are connected with first traction valve (13) through the pipeline, the bottom in hot water chamber (22) still is connected with can be with hot water exhaust second traction valve (23), cold water chamber (21) are connected with water inlet (11) of cold water feed mechanism and basin body (1) respectively through the pipeline.

2. The cleaning machine of claim 1, wherein: the middle part of heat exchanger (2) is located in hot water chamber (22), cold water chamber (21) are arranged around the outer fringe of hot water chamber (22), cold water chamber (21) are close to on the inner wall of hot water chamber (22) interval arrangement have a plurality of heat exchanger fins (24).

3. The cleaning machine of claim 2, wherein: the heat exchanger (2) comprises a body (25) and a top cover (26), the hot water cavity (22) is formed in the middle of the body (25) in a hollow mode, a first water outlet (221) connected with the second traction valve (23) is formed in the bottom of the hot water cavity (22), the cold water cavity (21) is arranged on the body (25) around the outer edge of the hot water cavity (22), a plurality of heat exchange fins (24) extending along the depth direction of the cold water cavity (21) are arranged on the inner wall, close to the hot water cavity (22), of the cold water cavity (21) at intervals, a first water inlet (211) for cold water to enter the cold water cavity (21) is formed in the side wall of the body (25), a second water outlet (212) for preheated water to be output is formed in the bottom of the cold water cavity (21), the top cover (26) is detachably arranged at the top of the body (25) and seals the hot water cavity (22) and the cold water cavity (21), the top cover (26) is provided with a second water inlet (222) for supplying hot water into the hot water cavity (22).

4. The cleaning machine of claim 1, wherein: an auxiliary outlet (131) for supplying hot water to the heat exchanger (2) is formed in the side wall of the first traction valve (13), and a water pump (132) capable of providing power for supplying hot water is arranged on the auxiliary outlet (131).

5. The cleaning machine of claim 4, wherein: a filter screen (133) capable of filtering food residues is arranged on the auxiliary outlet (131).

6. The cleaning machine of claim 5, wherein: the inner wall of the filter screen (133) is formed into an arc-shaped structure matched with the arc-shaped inner wall of the first traction valve (13), and the inner wall of the filter screen (133) and the inner wall of the first traction valve (13) form a smooth transitional inner wall surface in an assembled state.

7. The cleaning machine of any one of claims 1-6, wherein: one side of the water tank body (1) is provided with a water tank (3) which is arranged at an interval with the water tank body (1), the bottom wall of the water tank (3) is higher than that of the water tank body (1), and the heat exchanger (2) is arranged at the bottom of the water tank (3).

8. The cleaning machine of any one of claims 1-6, wherein: a control valve capable of controlling inlet water to come from a cold water supply mechanism or a heat exchanger (2) is arranged on the water inlet (11) side of the water tank body (1).

9. A cleaning method using the cleaning machine as claimed in any one of claims 1 to 8, characterized in that: comprises the following steps

(1) Starting the cleaning machine, feeding first water into the water tank body (1) through a water inlet (11) on the water tank body (1) by a cold water supply mechanism, and heating and cleaning the first water by a heating disc (15) until the first cleaning process is finished;

(2) the first traction valve (13) is kept closed, the first water is conveyed into a hot water cavity (22) of the heat exchanger (2), and the fourth water is conveyed into a cold water cavity (21) of the heat exchanger (2) for heat exchange; when the first water and the fourth water exchange heat, the second water and the third water sequentially enter the water tank body (1) through a water inlet (11) on the water tank body (1) to perform a second cleaning process and a third cleaning process;

(3) after the third cleaning process is finished, the fourth preheated water in the cold water cavity (21) of the heat exchanger (2) is conveyed into the water tank body (1) through the water inlet (11) on the water tank body (1), the water in the hot water cavity (22) of the heat exchanger (2) is discharged through the second traction valve (23), the fourth water entering the water tank body (1) is continuously heated to the required temperature through the heating disc (15), and the fourth cleaning process is finished;

(4) and opening the first traction valve (13) to discharge the fourth water, thereby finishing the cleaning process.

10. The cleaning method according to claim 9, characterized in that: the volume of the cold water cavity (21) of the heat exchanger (2) is equal to or less than the volume of the fourth water needed in the water tank body (1), and after the fourth water is conveyed into the water tank body (1) under the condition that the volume of the cold water cavity (21) of the heat exchanger (2) is less than the volume of the fourth water needed in the water tank body (1), cold water is supplemented into the water tank body (1) through a cold water supply mechanism until the volume requirement of the fourth water is met.

Technical Field

The invention relates to a cleaning machine and a cleaning method using the same.

Background

With the increasing living standard of people, the dish washing machine is used as a kitchen household appliance and is more and more introduced into families. The dish-washing machines on the market at present are generally divided into a table type dish-washing machine, a cabinet type dish-washing machine and a trough type dish-washing machine, wherein the table type dish-washing machine is an integral independent structure and is generally placed on a table top for use; the cabinet type dish washing machine is also an independent structure, but needs to be embedded into a kitchen cabinet for use; the sink dishwasher is combined with a sink and is generally installed in a kitchen cabinet for use.

For example, a structure disclosed in chinese patent "sink type cleaning machine" (application no: CN201310749864.9) with publication No. CN103735237B, the sink type cleaning machine includes a box body forming a washing space, the box body includes a sink body, the sink body is recessed at least at a central portion, a draining plate having the same shape as the recessed portion is covered on the recessed portion, a plurality of draining holes for draining are formed on the draining plate, a draining area is formed in a space between the recessed portion and the draining plate, the draining plate is flush with other portions of the bottom of the sink body, and a water pump for pumping water in the draining area to above the draining plate is disposed in the draining area. At present, when the water tank type cleaning machine is used for washing dishes, in order to better remove stains in the tableware, water is generally required to be heated in the dish washing process, the power consumed by a motor is generally below 100W, the power of a heating plate of a water tank body is between 1600W and 1800W, and therefore the heating plate consumes most energy in the working process of the dish washing machine. Four water flows can enter the dish washing process, the first water flow and the last water flow can be heated to about 60-70 ℃ by the heating plate, the second water flow and the third water flow are not heated, the first water flow can be directly discharged after washing, and the hot water with higher water temperature contains considerable energy, so that great energy waste is caused.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a cleaning machine which can recycle the first inlet water heat of the cleaning machine so as to improve the energy utilization rate and reduce the energy consumption.

The invention aims to solve another technical problem and provides a cleaning method which is applied to the cleaning machine and can recover the heat of the first inlet water of the cleaning machine and preheat the fourth inlet water so as to improve the energy utilization rate and reduce the energy consumption.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cleaning machine, includes the basin body, and it has water inlet and delivery port to open on this basin body, be connected with on the delivery port and pull the valve with the first of exhalant, be connected with drainage pipe on the first valve that pulls, still be provided with on the basin body and carry out the heating plate that heats, its characterized in that to the water in the basin body: the water tank is characterized by further comprising a heat exchanger, the heat exchanger is arranged outside the water tank body and is provided with a cold water cavity and a hot water cavity which are independent and can exchange heat with each other, the hot water cavity is connected with a first traction valve through a pipeline, the bottom of the hot water cavity is further connected with a second traction valve which can discharge hot water, and the cold water cavity is connected with a cold water supply mechanism and a water inlet of the water tank body through pipelines respectively.

In the scheme, the hot water cavity is arranged in the middle of the heat exchanger, the cold water cavity is arranged around the outer edge of the hot water cavity, and a plurality of heat exchange fins are arranged on the inner wall of the cold water cavity, close to the hot water cavity, at intervals. By adopting the structure, the first water with higher degree of pollution can be conveniently discharged while the quick heat exchange is realized.

Preferably, the heat exchanger comprises a body and a top cover, the hot water cavity is formed in the middle of the body in a hollow mode, a first water outlet connected with the second traction valve is formed in the bottom of the hot water cavity, the cold water cavity is arranged on the body around the outer edge of the hot water cavity, a plurality of heat exchange fins extending along the depth direction of the cold water cavity are arranged on the inner wall, close to the hot water cavity, of the cold water cavity at intervals, a first water inlet for cold water to enter the cold water cavity is formed in the side wall of the body, a second water outlet for preheated water to be output is formed in the bottom of the cold water cavity, the top cover is detachably arranged at the top of the body and seals the hot water cavity and the cold water cavity, and a second water inlet for hot water to enter the hot water cavity. By adopting the structure, the first water is convenient to discharge, and the fourth water is input into the heat exchanger to be preheated and is input into the cleaning machine to be cleaned; the top cap passes through the screw formula of shirking and connects on the body, can pull down the top cap after using a period, carries out the dirt clearance to the hot water chamber that holds first water, keeps better heat transfer effect.

In order to facilitate the first water to be conveyed to the heat exchanger, an auxiliary outlet for supplying hot water to the heat exchanger is formed in the side wall of the first traction valve, and a water pump capable of providing power for conveying the hot water is arranged on the auxiliary outlet.

Preferably, a filter screen capable of filtering food residues is arranged on the auxiliary outlet. The inner wall of the filter screen is formed into an arc-shaped structure matched with the arc-shaped inner wall of the first traction valve, and the inner wall of the filter screen and the inner wall of the first traction valve form a smooth transitional inner wall surface in an assembled state. Because certain dirt exists in the first water, the first water is filtered, and the heat exchange effect is favorably improved; and set the filter screen surface into the cambered surface, can make it form unified whole with the arc inner wall of first traction valve, even accumulated filth on the filter screen, also got rid of under the washing of second water, third water, fourth water easily, keep filter screen clean and better filter effect.

Preferably, one side of the water tank body is provided with a water tank arranged at an interval with the water tank body, the bottom wall of the water tank is higher than that of the water tank body, and the heat exchanger is arranged at the bottom of the water tank. By arranging the heat exchanger here, space can be used efficiently.

In order to control water inflow conveniently, a control valve capable of controlling inflow water from a cold water supply mechanism or a heat exchanger is arranged on the water inlet side of the water tank body.

A cleaning method using the cleaning machine is characterized in that: comprises the following steps

(1) Starting the cleaning machine, feeding first water into the water tank body through a water inlet on the water tank body by a cold water supply mechanism, and heating and cleaning the first water by a heating disc until the first cleaning process is finished;

(2) the first traction valve is kept closed, the first water is conveyed into a hot water cavity of the heat exchanger, and the fourth water is conveyed into a cold water cavity of the heat exchanger for heat exchange; when the first water and the fourth water exchange heat, the second water and the third water sequentially enter the water tank body through the water inlet on the water tank body to perform a second cleaning process and a third cleaning process;

(3) after the third cleaning process is finished, the preheated fourth water in the cold water cavity of the heat exchanger is conveyed into the water tank body through the water inlet on the water tank body, the water in the hot water cavity of the heat exchanger is discharged through the second traction valve, and the fourth water entering the water tank body is continuously heated to the required temperature through the heating plate to finish the fourth cleaning process;

(4) and opening the first traction valve, and discharging the fourth water to finish the cleaning process.

Preferably, the capacity of the cold water cavity of the heat exchanger is equal to or less than the volume of the fourth water required in the water tank body, and in a state that the capacity of the cold water cavity of the heat exchanger is less than the volume of the fourth water required in the water tank body, after the fourth water is conveyed into the water tank body, cold water is supplemented into the water tank body through the cold water supply mechanism until the volume requirement of the fourth water is met.

Compared with the prior art, the invention has the advantages that: the invention is provided with the heat exchanger which can recover the heat of the first water and preheat the fourth water, when the cleaning machine cleans the second water and the third water, the first water is utilized to preheat the fourth water, thereby not only effectively improving the utilization rate of energy and reducing the energy consumption required by heating the fourth water, but also not increasing the additional preheating time in the whole preheating process, and the experiment proves that the invention can save about 20 percent of electric energy for one cleaning process by taking the water inflow of each path as the standard of about 0.6L.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;

FIG. 3 is a schematic structural diagram of a heat exchanger according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 from another angle;

FIG. 5 is an exploded view of FIG. 3;

fig. 6 is a partial structural schematic view of a first traction valve in an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 6, the cleaning machine of the present embodiment includes a water tank body 1 and a heat exchanger 2, the interior of the water tank body 1 is hollow to form a washing space, a water inlet 11 for inputting water into the water tank 1 is disposed on a side wall of the water tank body 1, and a water outlet 12 for discharging waste water is disposed at the bottom of the water tank body 1. The water outlet 12 is connected with a first traction valve 13 which can discharge the discharged water, the first traction valve 13 is connected with a water discharge pipeline 14, and the water tank body 1 is also provided with a heating plate 15 which can heat the water in the water tank body 1. The heat exchanger 2 is arranged outside the water tank body 1 and is provided with a cold water cavity 21 and a hot water cavity 22 which are independent and can exchange heat with each other, the hot water cavity 22 is connected with the first traction valve 13 through a pipeline, the bottom of the hot water cavity 22 is also connected with a second traction valve 23 which can discharge hot water, and the cold water cavity 21 is respectively connected with a cold water supply mechanism (not shown) and the water inlet 11 of the water tank body 1 through pipelines. In order to control the water inlet, a control valve capable of controlling the water inlet from a cold water supply mechanism or a heat exchanger 2 is arranged at the water inlet 11 side of the water tank body 1.

The hot water cavity 22 of this embodiment is located the middle part of heat exchanger 2, and cold water cavity 21 arranges around the outer fringe of hot water cavity 22, and interval arrangement has a plurality of heat exchanger fins 24 on the cold water cavity 21 is close to the inner wall of hot water cavity 22. By adopting the structure, the first water with higher degree of pollution can be conveniently discharged while the quick heat exchange is realized. Specifically, the heat exchanger 2 of this embodiment includes a body 25 and a top cover 26, a hot water cavity 22 is formed in the hollow portion inside the middle portion of the body 25, a first water outlet 221 connected with the second traction valve 23 is opened at the bottom of the hot water cavity 22, the cold water cavity 21 is disposed on the body 25 around the outer edge of the hot water cavity 22, a plurality of heat exchange fins 24 extending along the depth direction of the cold water cavity are arranged at intervals on the inner wall of the cold water cavity 21 close to the hot water cavity 22, a first water inlet 211 for cold water to enter the cold water cavity 21 is opened on the side wall of the body 25, and a second water outlet 212 for preheated water to be output is opened at the bottom of the cold water cavity. The top cover 26 is detachably arranged on the top of the body 25 in a screw connection mode and seals the hot water cavity 22 and the cold water cavity 21, and a second water inlet 222 for supplying hot water into the hot water cavity 22 is formed in the top cover 26. By adopting the structure, the first water can be conveniently discharged, and the fourth water is input into the heat exchanger 2 for preheating and is input into the water tank body 1 for the fourth cleaning procedure; the top cover 26 is detachably connected to the body 25 through screws, so that the top cover 26 can be detached after being used for a period of time, dirt of the hot water cavity 22 containing the first water is cleaned, and a good heat exchange effect is kept.

In order to facilitate the supply of the first water to the heat exchanger 2, an auxiliary outlet 131 for supplying hot water to the heat exchanger 2 is formed in a side wall of the first traction valve 13, and a water pump 132 for supplying power to the supply of the hot water is provided at the auxiliary outlet 131. The auxiliary outlet 131 is provided with a filter screen 133 capable of filtering food residue. The inner wall of the filter screen 133 is formed into an arc-shaped structure matched with the arc-shaped inner wall of the first traction valve 13, and in an assembled state, the inner wall of the filter screen 133 and the inner wall of the first traction valve 13 form a smooth inner wall surface. Because certain dirt exists in the first water, the first water is filtered, and the heat exchange effect is favorably improved; the surface of the filter screen 133 is set to be a cambered surface, so that the filter screen 133 and the cambered inner wall of the first traction valve 13 form a unified whole, even if dirt is accumulated on the filter screen 133, the dirt is easily removed under the flushing of the second water, the third water and the fourth water, and the cleanness and the better filtering effect of the filter screen 133 are kept.

One side of the water tank body 1 is provided with a water tank 3 which is arranged at an interval with the water tank body 1, the bottom wall of the water tank 3 is higher than that of the water tank body 1, and the heat exchanger 2 is arranged at the bottom of the water tank 3. By providing the heat exchanger 2 here, space can be used efficiently.

The cleaning method using the cleaning machine in this embodiment includes the following steps

(1) Starting the cleaning machine, feeding first water into the water tank body 1 through the water inlet 11 on the water tank body 1 by the cold water supply mechanism, and heating and cleaning the first water by the heating disc 15 until the first cleaning process is finished;

(2) the first traction valve 13 is kept closed, the water pump 132 conveys the first water to the hot water cavity 22 of the heat exchanger 2, and the cold water supply mechanism conveys the fourth water to the cold water cavity 21 of the heat exchanger 2 for heat exchange; when the first water exchanges heat with the fourth water, the second water and the third water sequentially enter the water tank body 1 through the water inlet 11 on the water tank body 1 to perform a second cleaning process and a third cleaning process;

(3) after the third cleaning process is finished, the preheated fourth water in the cold water cavity 21 of the heat exchanger 2 is conveyed into the water tank body 1 through the water inlet 11 on the water tank body 1, the water in the hot water cavity 22 of the heat exchanger 2 is discharged through the second traction valve 23, if the volume of the fourth water entering the water tank body 1 is smaller than the water volume required by normal cleaning, cold water is supplemented into the water tank body 1 through the cold water supply mechanism until the volume requirement of the fourth water is met, the fourth water is continuously heated to the required temperature through the heating plate 15, and the fourth cleaning process is finished;

(4) and opening the first traction valve 13 to discharge the fourth water, thereby completing the cleaning process.

This embodiment has set up the heat exchanger 2 that can preheat the heat recovery of first water and say water to the fourth, carry out the second at the cleaning machine and say water, when the washing of third way water, utilize first water to say water and preheat fourth, the utilization ratio of energy has not only effectively been improved, the required energy consumption of heating fourth way water has been reduced, whole preheating process need not increase extra preheating time yet, experiments prove, it is accurate about 0.6L to use the inflow of every lane, the cleaning machine of this embodiment can practice thrift 20% electric energy about for a cleaning process.