Composite heating structure of dish washing machine

Abstract

A composite heating structure of a dish washing machine comprises a barrel body and a heat pump type water heating system, the heat pump type water heating system comprises a heat pump type heating pipe assembly, a heating pipe assembly and a heat pump circulating device, the heat pump type heating pipe assembly, the heating pipe assembly and the barrel body are sequentially communicated, and the barrel body is communicated with the heat pump type heating pipe assembly to form a circulating water path. The heat pump circulating device is communicated with the heat pump type heating pipe assembly; the heat pump type heating pipe assembly comprises a first pipe body and a heat exchange pipe winding, the heat exchange pipe winding is wound on the first pipe body, a refrigerant inlet is formed in one end of the heat exchange pipe winding, a refrigerant outlet is formed in the other end of the heat exchange pipe winding, and the heat pump circulating device is connected with the refrigerant inlet and the refrigerant outlet. According to the composite heating structure of the dish-washing machine, the heat pump type water heating system is introduced, the heating efficiency of the heat pump circulating device is superior to that of a conventional heating pipe, and the composite heating pipe scheme is adopted, so that the temperature required by washing of the dish-washing machine can be achieved, the power consumption of the dish-washing machine can be reduced, and energy conservation and emission reduction are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dish-washing machine technical field, especially a kind of composite heating structure of dish-washing machine. BACKGROUND

[0002] When traditional dish-washing machine washes tableware, in order to better clean and disinfect tableware, water needs to be heated, generally using heating tube to heat water, but the heating efficiency of heating tube is not high, and energy consumption is large;Energy-saving products benefit the country and the people, and the energy efficiency requirements of dish-washing machine in the market are getting higher and higher, so it is necessary to develop more efficient and energy-saving dish-washing machine to meet the market development needs.

[0003] Therefore, it is necessary to make further improvement. INVENTION CONTENTS

[0004] The utility model discloses a kind of composite heating structure of dish-washing machine, which is simple in structure, high in heating efficiency, small in energy consumption, realizes energy saving and emission reduction, and is practical, to overcome the deficiencies of prior art.

[0005] A kind of composite heating structure of dish-washing machine designed according to the purpose, including barrel, it is characterized by: still including heat pump type water heating system, heat pump type water heating system includes heat pump type heating tube assembly, heating tube assembly and heat pump circulation device, heat pump type heating tube assembly, heating tube assembly and barrel are sequentially communicated, barrel is communicated heat pump type heating tube assembly, forms circulation waterway, heat pump circulation device is communicated heat pump type heating tube assembly.

[0006] Heat pump type heating tube assembly includes first pipe body and heat exchange tube winding, heat exchange tube winding is wound on first pipe body, heat exchange tube winding one end is provided with refrigerant inlet, the other end is provided with refrigerant outlet, and heat pump circulation device is connected with refrigerant inlet and refrigerant outlet respectively.

[0007] First pipe body one end is provided with first water inlet, the other end is provided with first water outlet, and first water inlet is communicated with barrel, and first water outlet is communicated with heating tube assembly.

[0008] Refrigerant inlet and first water outlet are located at one end of heat pump type heating tube assembly, refrigerant outlet and first water inlet are located at the other end of heat pump type heating tube assembly, so that the flow direction of refrigerant is opposite to the flow direction of water.

[0009] Heating tube assembly includes second pipe body and heating tube, and heating tube is arranged on the outside of second pipe body.

[0010] Second pipe body one end is provided with second water inlet, the other end is provided with second water outlet, and first water outlet is communicated with second water inlet, and second water outlet is communicated with barrel.

[0011] The heating pipe assembly further comprises a temperature controller, which is arranged outside the second pipe body and is electrically connected to the heating pipe.

[0012] The heat pump type water heating system further comprises a pressurizing pump, the second water outlet is communicated with the pressurizing pump, the pressurizing pump is connected to the barrel through a barrel water inlet connecting pipe, and the barrel is connected to the first water inlet through a barrel water outlet connecting pipe.

[0013] The first pipe body and the second pipe body are connected through a connecting pipe, and the second pipe body and the pressurizing pump are connected through the connecting pipe.

[0014] The connecting pipe is provided with a first plug hole and a second plug hole, and a connecting positioning rib is arranged between the first plug hole and the second plug hole; the first water outlet is plugged into the first plug hole and abuts against one side of the connecting positioning rib, and the second water inlet is plugged into the second plug hole and abuts against the other side of the connecting positioning rib; the pressurizing pump is provided with a third water inlet, the third water inlet is plugged into the first plug hole and abuts against one side of the connecting positioning rib, and the second water outlet is plugged into the second plug hole and abuts against the other side of the connecting positioning rib; a clamp is arranged outside the connecting pipe, and a plurality of positioning ribs for positioning the clamp are arranged outside the connecting pipe.

[0015] The heat pump type water heating system comprises a heat pump type heating pipe assembly, a heating pipe assembly and a heat pump circulating device, the heat pump circulating device is communicated with the heat pump type heating pipe assembly, the heating efficiency of the heat pump circulating device is higher than that of a conventional heating pipe, the composite heating pipe scheme is adopted, the temperature required by the dishwasher for cleaning can be reached, the power consumption of the dishwasher can be reduced, and energy saving and emission reduction are realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the composite heating structure in an embodiment of the utility model.

[0017] Figure 2 It is a whole structure schematic view of the heat pump type water heating system in an embodiment of the utility model.

[0018] Figure 3 It is a partial structure schematic view of the heat pump type water heating system in an embodiment of the utility model.

[0019] Figure 4 It is a whole structure schematic view of the heat pump type heating pipe assembly in an embodiment of the utility model.

[0020] Figure 5 It is a whole structure schematic view of the heat pump type heating pipe assembly in another orientation in an embodiment of the utility model.

[0021] Figure 6It is the whole structure schematic view of the third position of the heat pump type heating pipe assembly in one embodiment of the utility model.

[0022] Figure 7 It is the whole structure schematic view of the heating pipe assembly in one embodiment of the utility model.

[0023] Figure 8 It is the whole structure schematic view of another position of the heating pipe assembly in one embodiment of the utility model.

[0024] Figure 9 It is the whole structure schematic view of the connecting pipe in one embodiment of the utility model.

[0025] Figure 10 It is the sectional view of the connecting pipe in one embodiment of the utility model. Specific implementation

[0026] The utility model will be further described in connection with the drawings and embodiments.

[0027] Reference Figures 1-10 The composite heating structure of the dish washing machine includes a barrel 1 and a heat pump type water heating system A, the barrel 1 is a washing barrel, the heat pump type water heating system A includes a heat pump type heating pipe assembly 2, a heating pipe assembly 3 and a heat pump circulating device 4, the heat pump type heating pipe assembly 2, the heating pipe assembly 3 and the barrel 1 are sequentially communicated, the barrel 1 is communicated with the heat pump type heating pipe assembly 2, forms a circulating water circuit, and the heat pump circulating device 4 is communicated with the heat pump type heating pipe assembly 2;The heat pump circulating device 4 includes a compressor, an evaporator, a condenser and an expansion valve, the evaporator, the compressor, the condenser and the expansion valve are sequentially connected, and the expansion valve is connected with the evaporator, and the above structure is prior art, which will not be described in detail here.

[0028] The heat pump type heating pipe assembly 2 includes a first pipe body 5 and a heat exchange pipe winding 6, the heat exchange pipe winding 6 is wound on the first pipe body 5, the heat exchange pipe winding 6 is a copper pipe winding, one end of the heat exchange pipe winding 6 is provided with a refrigerant inlet 7, the other end is provided with a refrigerant outlet 8, the heat pump circulating device 4 is connected with the refrigerant inlet 7 and the refrigerant outlet 8 respectively, and the refrigerant inlet 7 is communicated with the refrigerant outlet 8;The heat exchange pipe winding 6 is in close contact with the first pipe body 5, and the heat conduction is enhanced.

[0029] One end of the first pipe body 5 is provided with a first water inlet 9, and the other end is provided with a first water outlet 10, the first water inlet 9 is communicated with the barrel 1, and the first water outlet 10 is communicated with the heating pipe assembly 3.

[0030] The refrigerant inlet 7 and the first water outlet 10 are located at one end of the heat pump type heating pipe assembly 2, the refrigerant outlet 8 and the first water inlet 9 are located at the other end of the heat pump type heating pipe assembly 2, so that the flow direction of the refrigerant is opposite to the flow direction of the water, the refrigerant flows against the water, the maximum temperature difference between the refrigerant and the flowing water is maintained, and the heat transfer effect is enhanced.

[0031] The heating pipe assembly 3 comprises a second pipe body 11 and a heating pipe 12 arranged outside the second pipe body 11; the heating pipe assembly 3 is a conventional heating pipe, and the heating pipe 12 can heat the second pipe body 11 after being electrified.

[0032] The second pipe body 11 is provided with a second water inlet 13 at one end and a second water outlet 14 at the other end, the first water outlet 10 is communicated with the second water inlet 13, and the second water outlet 14 is communicated with the barrel body 1.

[0033] The heating pipe assembly 3 further comprises a temperature controller 15 arranged outside the second pipe body 11, the temperature controller 15 is electrically connected with the heating pipe 12, and when the water temperature in the second pipe body 11 reaches a set temperature, the temperature controller 15 is disconnected to stop the heating of the heating pipe 12.

[0034] The heat pump type water heating system A further comprises a pressurizing pump 16, the second water outlet 14 is communicated with a third water inlet 23 of the pressurizing pump 16, a third water outlet 25 of the pressurizing pump 16 is connected with the barrel body 1 through a barrel body water inlet connecting pipe 17, and the barrel body 1 is connected with the first water inlet 9 through a barrel body water outlet connecting pipe 18.

[0035] The first pipe body 5 and the second pipe body 11 are connected through a connecting pipe 19, the second pipe body 11 and the third water inlet 23 of the pressurizing pump 16 are connected through the connecting pipe 19, and the connecting pipe 19 is a rubber connecting pipe.

[0036] The connecting pipe 19 is provided with a first plug hole 20 and a second plug hole 21, and a connecting positioning rib 22 is arranged between the first plug hole 20 and the second plug hole 21, the connecting positioning rib 22 is located in the connecting pipe 19; the first water outlet 10 is plugged into the first plug hole 20, and the first water outlet 10 abuts against one side of the connecting positioning rib 22, the second water inlet 13 is plugged into the second plug hole 21, and the second water inlet 13 abuts against the other side of the connecting positioning rib 22; the pressurizing pump 16 is provided with the third water inlet 23, the third water inlet 23 is plugged into the first plug hole 20, and the third water inlet 23 abuts against one side of the connecting positioning rib 22, the second water outlet 14 is plugged into the second plug hole 21, and the second water outlet 14 abuts against the other side of the connecting positioning rib 22; the connecting positioning rib 22 provides a mounting insertion position for connection; a clamp is sleeved outside the connecting pipe 19, and a plurality of positioning ribs 24 for positioning the clamp are arranged outside the connecting pipe 19, the positioning ribs 24 can prevent the clamp from separating from the connecting pipe 19; the clamp makes the connection of the connecting pipe 19 more firm.

[0037] The working principle of the composite heating structure is as follows:

[0038] The high-temperature refrigerant gas discharged from the heat pump circulation device 4 enters the heat exchange pipe winding 6 from the refrigerant inlet 7, heats the first pipe body 5 through the heat exchange pipe winding 6, and simultaneously transfers heat to the flowing water in the first pipe body 5 to heat the water; if the water temperature reaches the requirement of the dishwasher, the heating pipe 12 does not work, and the flowing water is delivered to the inside of the barrel body 1 by the pressurizing pump 16; if the water temperature cannot reach the requirement of the dishwasher, the heating pipe 12 starts to heat, the flowing water is further heated in the second pipe body 11, and then is delivered to the inside of the barrel body 1; the water in the inside of the barrel body 1 flows back to the first pipe body 5 to form a circulation.

[0039] The above is the preferred scheme of the present application, which shows and describes the basic principle, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A composite heating structure of a dishwasher comprising a tub (1), characterized in that: The heat pump type water heating system (A) further comprises a heat pump type heating pipe assembly (2), a heating pipe assembly (3) and a heat pump circulating device (4), the heat pump type heating pipe assembly (2), the heating pipe assembly (3) and the barrel body (1) are sequentially communicated, the barrel body (1) is communicated with the heat pump type heating pipe assembly (2) to form a circulating water path, and the heat pump circulating device (4) is communicated with the heat pump type heating pipe assembly (2). 2.The composite heating structure of the dish washer according to claim 1, wherein: The heat pump type heating pipe assembly (2) comprises a first pipe body (5) and a heat exchange pipe winding (6), the heat exchange pipe winding (6) is wound on the first pipe body (5), one end of the heat exchange pipe winding (6) is provided with a refrigerant inlet (7), and the other end is provided with a refrigerant outlet (8), and the heat pump circulating device (4) is connected with the refrigerant inlet (7) and the refrigerant outlet (8) respectively. 3.The composite heating structure of the dish washer according to claim 2, wherein: One end of the first pipe body (5) is provided with a first water inlet (9), and the other end is provided with a first water outlet (10), the first water inlet (9) is communicated with the barrel body (1), and the first water outlet (10) is communicated with the heating pipe assembly (3). 4.The composite heating structure of the dish washer according to claim 3, wherein: The refrigerant inlet (7) and the first water outlet (10) are located at one end of the heat pump type heating pipe assembly (2), the refrigerant outlet (8) and the first water inlet (9) are located at the other end of the heat pump type heating pipe assembly (2), so that the flow direction of the refrigerant is opposite to the flow direction of the water. 5.The composite heating structure of the dish washer according to claim 4, wherein: The heating pipe assembly (3) comprises a second pipe body (11) and a heating pipe (12), and the heating pipe (12) is arranged outside the second pipe body (11). 6.The composite heating structure of the dish washer according to claim 5, wherein: One end of the second pipe body (11) is provided with a second water inlet (13), and the other end is provided with a second water outlet (14), the first water outlet (10) is communicated with the second water inlet (13), and the second water outlet (14) is communicated with the barrel body (1). 7.The composite heating structure of the dish washer according to claim 5, wherein: The heating pipe assembly (3) further comprises a temperature controller (15), the temperature controller (15) is arranged outside the second pipe body (11), and the temperature controller (15) is electrically connected with the heating pipe (12). 8.The composite heating structure of the dish washer according to claim 6, wherein: The heat pump type water heating system (A) further comprises a pressure pump (16), the second water outlet (14) is communicated with the pressure pump (16), the pressure pump (16) is connected with the barrel body (1) through a barrel body water inlet connecting pipe (17), and the barrel body (1) is connected with the first water inlet (9) through a barrel body water outlet connecting pipe (18). 9.The composite heating structure of the dish washer according to claim 8, wherein: The first pipe body (5) and the second pipe body (11) are connected through a connecting pipe (19), and the second pipe body (11) and the pressure pump (16) are connected through the connecting pipe (19). 10.The composite heating structure of the dish washer according to claim 9, wherein: The connecting pipe (19) is provided with a first plug hole (20) and a second plug hole (21), and a connecting positioning rib (22) is arranged between the first plug hole (20) and the second plug hole (21); the first water outlet (10) is plugged with the first plug hole (20), and the first water outlet (10) is abutted against one side of the connecting positioning rib (22); the second water inlet (13) is plugged with the second plug hole (21), and the second water inlet (13) is abutted against the other side of the connecting positioning rib (22); the pressurizing pump (16) is provided with a third water inlet (23), the third water inlet (23) is plugged with the first plug hole (20), and the third water inlet (23) is abutted against one side of the connecting positioning rib (22); the second water outlet (14) is plugged with the second plug hole (21), and the second water outlet (14) is abutted against the other side of the connecting positioning rib (22); the outer side of the connecting pipe (19) is sleeved with a clamp, and the outer side of the connecting pipe (19) is provided with a plurality of positioning ribs (24) for positioning the clamp.

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