Heat pump water heater

Abstract

The embodiment of the utility model provides a heat pump water heater, and relates to the technical field of heat pump water heaters. The problem that a heat pump water heater can only provide cold water or heat in one direction is solved. The heat pump water heater comprises a hot water pipe, a cold water pipe, a condenser, an evaporator and a heat pump water heater circulating pipeline, and the hot water pipe is used for supplying hot water to the outside; the cold water pipe is used for supplying cold water outwards; the condenser and the evaporator are fixed on a circulating pipeline of the heat pump water heater; the condenser is connected with the hot water pipe and used for heating water flowing through the hot water pipe; the evaporator is connected with the cold water pipe and used for cooling water flowing through the cold water pipe. The condenser and the evaporator work simultaneously, and a hot water pipe on the evaporator side can supply hot water; the evaporator side cools the cold water pipe, and the cold water pipe can supply low-temperature water; the heat pump water heater provides cold water and hot water at the same time, double-effect output is achieved, efficiency is improved, utilization efficiency is high, and cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of heat pump water heaters, in particular to a heat pump water heater. Background Art

[0002] Currently, the heat pump water heaters and water heaters on the market only provide cold water or hot water in one direction, or switch the supply of cold water and hot water through a four-way valve, but the air is directly discharged to the outdoors or the atmosphere, which is not used reasonably, has low efficiency and high power consumption. Utility Model Content

[0003] The purpose of the present invention includes, for example, providing a heat pump water heater, which can improve the problem that the heat pump water heater can only provide cold water or heat in one direction.

[0004] The embodiments of the present invention can be implemented as follows:

[0005] An embodiment of the utility model provides a heat pump water heater, comprising a hot water pipe, a cold water pipe, a condenser, an evaporator and a circulation pipeline of the heat pump water heater, wherein the hot water pipe is used to supply hot water to the outside; the cold water pipe is used to supply cold water to the outside; the condenser and the evaporator are fixed on the circulation pipeline of the heat pump water heater; the condenser is connected to the hot water pipe, and the condenser is used to heat the water flowing through the hot water pipe; the evaporator is connected to the cold water pipe, and the evaporator is used to cool the water flowing through the cold water pipe.

[0006] In addition, the heat pump water heater provided in the embodiment of the utility model may also have the following additional technical features:

[0007] Optionally, the condenser is a shell and tube condenser.

[0008] Optionally, the heat pump water heater comprises a heating shell and tube; the heating shell and tube has a heating water outlet and a heating water return port, the heating water outlet is connected to the hot water pipe, and the heating water return port is connected to the circulation pipeline of the heat pump water heater.

[0009] Optionally, the evaporator is a shell and tube evaporator.

[0010] Optionally, the heat pump water heater comprises a refrigeration shell and tube; the refrigeration shell and tube has a refrigeration water outlet and a refrigeration water return port; the refrigeration water outlet is connected to the cold water pipe, and the refrigeration water return port is connected to the circulation pipeline of the heat pump water heater.

[0011] Optionally, the heat pump water heater includes a variable frequency compressor; the variable frequency compressor is fixed on a circulation pipeline of the heat pump water heater and connected between the condenser and the evaporator.

[0012] Optionally, the heat pump water heater further comprises a plurality of fixed-frequency compressors; the plurality of fixed-frequency compressors are fixed on a circulation pipeline of the heat pump water heater and connected between the condenser and the variable-frequency compressor.

[0013] Optionally, the heat pump water heater further comprises a fan disk; the fan disk is arranged on one side of the evaporator.

[0014] Optionally, the heat pump water heater further includes heating fins; the heating fins are arranged on one side of the hot water pipe.

[0015] Optionally, the heat pump water heater further comprises a liquid reservoir and a gas-liquid separator; the liquid reservoir and the gas-liquid separator are fixed to a circulation pipeline of the heat pump water heater.

[0016] The beneficial effects of the heat pump water heater of the embodiment of the utility model include, for example:

[0017] The heat pump water heater comprises a hot water pipe, a cold water pipe, a condenser, an evaporator and a circulation pipeline of the heat pump water heater. The hot water pipe is used to supply hot water to the outside; the cold water pipe is used to supply cold water to the outside; the condenser and the evaporator are fixed on the circulation pipeline of the heat pump water heater; the condenser is connected to the hot water pipe, and the condenser is used to heat the water flowing through the hot water pipe; the evaporator is connected to the cold water pipe, and the evaporator is used to cool the water flowing through the cold water pipe.

[0018] The condenser and evaporator work at the same time, and the hot water pipe on the evaporator side can supply hot water; the evaporator side cools down the cold water pipe, and the cold water pipe can supply low-temperature water; the heat pump water heater provides cold water and hot water at the same time, with double-effect output, increased efficiency, high utilization efficiency and reduced costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the internal structure of the heat pump water heater provided in this embodiment.

[0021] Icons: 10-heat pump water heater; 11-chassis; 100-heating shell and tube; 110-heating water outlet; 120-heating return water outlet; 200-refrigeration shell and tube; 210-refrigeration water outlet; 220-refrigeration return water outlet; 300-variable frequency compressor; 400-fixed frequency compressor; 500-liquid storage tank; 600-gas-liquid separator; 700-heat pump water heater circulation pipeline; 800-electric control box. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0025] In the description of the present utility model, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present utility model.

[0026] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0027] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0028] Combine the following Figure 1 The heat pump water heater 10 provided in this embodiment is described in detail.

[0029] Please refer to Figure 1An embodiment of the utility model provides a heat pump water heater 10, including a hot water pipe, a cold water pipe, a condenser, an evaporator and a heat pump water heater circulation pipeline 700, the hot water pipe is used to supply hot water to the outside; the cold water pipe is used to supply cold water to the outside; the condenser and the evaporator are fixed on the heat pump water heater circulation pipeline 700; the condenser is connected to the hot water pipe, and the condenser is used to heat the water flowing through the hot water pipe; the evaporator is connected to the cold water pipe, and the evaporator is used to cool the water flowing through the cold water pipe.

[0030] The condenser and evaporator work at the same time, and the hot water pipe on the evaporator side can supply hot water. The evaporator side cools down the cold water pipe, and the cold water pipe can supply low-temperature water. It can provide hot water and cold water at the same time, and achieve double-effect utilization. Cold water is lower than normal temperature water. Using the cold source on the evaporator side, the cold water pipe is cooled, and energy is fully utilized to achieve energy-saving effects, high utilization efficiency, and low power consumption.

[0031] Reference Figure 1 In this embodiment, the condenser is a shell and tube condenser. The shell and tube condenser can realize heat exchange between the refrigerant and water at the same time, thereby realizing water heating.

[0032] Reference Figure 1 In this embodiment, the heat pump water heater 10 includes a heating shell tube 100; the heating shell tube 100 has a heating water outlet 110 and a heating water return port 120, the heating water outlet 110 is connected to the hot water pipe, and the heating water return port 120 is connected to the heat pump water heater circulation pipeline 700. If the refrigerant is water, the heating water outlet 110 is used for water supply, and the refrigerant water continuously enters the heating shell tube 100 from the heating water return port 120 to achieve continuous heating of the water at the heating water outlet 110.

[0033] Reference Figure 1 In this embodiment, the evaporator is a shell and tube evaporator. The shell and tube evaporator can realize heat exchange between the refrigerant and water at the same time, thereby realizing cooling of the water.

[0034] Reference Figure 1 In this embodiment, the heat pump water heater 10 includes a refrigeration shell and tube 200; the refrigeration shell and tube 200 has a refrigeration water outlet 210 and a refrigeration water return port 220; the refrigeration water outlet 210 is connected to the cold water pipe, and the refrigeration water return port 220 is connected to the heat pump water heater circulation pipeline 700. If the refrigerant is water, the refrigeration water outlet 210 is used for water supply, and the refrigerant water continuously enters the refrigeration shell and tube 200 from the refrigeration water return port 220 to achieve continuous cooling of the water at the refrigeration water outlet 210.

[0035] Reference Figure 1 In this embodiment, the heat pump water heater 10 includes a variable frequency compressor 300; the variable frequency compressor 300 is fixed on the heat pump water heater circulation pipeline 700 and connected between the condenser and the evaporator.

[0036] The variable frequency function provides constant cold water and hot water at the same time. At the same time, the variable frequency compressor 300 can achieve temperature adjustment in a small range.

[0037] The use of variable frequency compressor 300 can not only provide a constant cold water temperature, but also increase efficiency and reduce energy consumption.

[0038] Reference Figure 1 In this embodiment, the heat pump water heater 10 further includes a plurality of fixed frequency compressors 400; the plurality of fixed frequency compressors 400 are fixed on the heat pump water heater circulation pipeline 700 and connected between the condenser and the variable frequency compressor 300. The plurality of fixed frequency compressors 400 simultaneously realize temperature regulation, and the plurality of fixed frequency compressors 400 are used to meet high temperature heating.

[0039] Reference Figure 1 In this embodiment, the heat pump water heater 10 further includes a fan disk, which is arranged on one side of the evaporator. The cold water can be used in conjunction with the fan disk for heat dissipation, or in conjunction with the fins for dehumidification.

[0040] Reference Figure 1 In this embodiment, the heat pump water heater 10 further includes heating fins, which are arranged on one side of the hot water pipe. Hot water can not only be used for heating with the fins, but also provide a heat source for the ultra-high temperature machine.

[0041] Reference Figure 1 In this embodiment, the heat pump water heater 10 further includes a liquid reservoir 500 and a gas-liquid separator 600 ; the liquid reservoir 500 and the gas-liquid separator 600 are fixed to a circulation pipeline 700 of the heat pump water heater.

[0042] The liquid storage device 500 is used to store the refrigerant and to control the amount of the refrigerant used by the compressor. The gas-liquid separator 600 is used to separate the vapor and liquid refrigerant during the vapor liquefaction process of the refrigerant.

[0043] According to a heat pump water heater 10 provided in this embodiment, the working principle of the heat pump water heater 10 is: constant cold water is provided through the frequency conversion function, and hot water can be provided at the same time, and the cold water can be used in conjunction with the fan disc for heat dissipation, and can also be used in conjunction with the fins for dehumidification, etc. The hot water can not only be used for heating in conjunction with the fins, but also provide a heat source for the ultra-high temperature machine, etc.

[0044] The machine includes a chassis 11, a heating shell tube 100 fixed on the right side of the chassis 11, a variable frequency compressor 300 and a fixed frequency compressor 400 on the left side of the heating shell tube 100, a liquid storage tank 500 and a gas-liquid separator 600 on the left side of the compressor, a refrigeration shell tube 200 on the left side of the liquid storage tank 500, an electric control box 800 on the upper left front side of the chassis 11, and the shell of the unit is sealed with panels on all sides.

[0045] Cold water and hot water are provided at the same time. The heating shell and tube 100 provides hot water (heating), while the refrigeration shell and tube 200 of the heat pump water heater 10 provides refrigeration water (refrigeration); the variable frequency compressor 300 controls the refrigeration water outlet 210 of the shell and tube through frequency conversion, so that the outlet temperature can be kept constant.

[0046] The unit directly provides cold water and hot water at the same time, with dual-effect output, and fully utilizes the cooling end and heating end of the heat pump water heater 10 to improve efficiency and reduce costs; the variable frequency compressor 300 is then used to increase the efficiency of the heat pump water heater 10, reduce energy consumption, and reduce operating costs.

[0047] The heat pump water heater 10 provided in this embodiment has at least the following advantages:

[0048] The condenser and evaporator work at the same time, and the hot water pipe on the evaporator side can supply hot water; the evaporator side cools down the cold water pipe, and the cold water pipe can supply low-temperature water; the heat pump water heater 10 provides cold water and hot water at the same time, with double-effect output, increased efficiency, high utilization efficiency and reduced costs.

[0049] Adopt variable frequency compressor 300 to increase efficiency, reduce energy consumption and lower operating costs.

[0050] Shell and tube heat exchanger, cold water and hot water are provided for use at the same time, double effect utilization.

[0051] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A heat pump water heater, characterized in that: include: A hot water pipe, which is used to supply hot water to the outside; A cold water pipe, the cold water pipe is used to supply cold water to the outside; A condenser, an evaporator and a heat pump water heater circulation pipeline (700), wherein the condenser and the evaporator are fixed on the heat pump water heater circulation pipeline (700); the condenser is connected to the hot water pipe, and the condenser is used to heat the water flowing through the hot water pipe; the evaporator is connected to the cold water pipe, and the evaporator is used to cool the water flowing through the cold water pipe.

2. The heat pump water heater according to claim 1, characterized in that: The condenser is a shell and tube condenser.

3. The heat pump water heater according to claim 2, characterized in that: The heat pump water heater comprises a heating shell and tube (100); the heating shell and tube (100) has a heating water outlet (110) and a heating water return outlet (120); the heating water outlet (110) is connected to the hot water pipe, and the heating water return outlet (120) is connected to the circulation pipeline (700) of the heat pump water heater.

4. The heat pump water heater according to claim 2, characterized in that: The evaporator is a shell and tube evaporator.

5. The heat pump water heater according to claim 4, characterized in that: The heat pump water heater comprises a refrigeration shell and tube (200); the refrigeration shell and tube (200) has a refrigeration water outlet (210) and a refrigeration water return port (220); the refrigeration water outlet (210) is connected to the cold water pipe, and the refrigeration water return port (220) is connected to the heat pump water heater circulation pipeline (700).

6. The heat pump water heater according to any one of claims 1 to 5, characterized in that: The heat pump water heater comprises a variable frequency compressor (300); the variable frequency compressor (300) is fixed on a circulation pipeline (700) of the heat pump water heater and is connected between the condenser and the evaporator.

7. The heat pump water heater according to claim 6, characterized in that: The heat pump water heater further comprises a plurality of fixed-frequency compressors (400); the plurality of fixed-frequency compressors (400) are fixed on the circulation pipeline (700) of the heat pump water heater and connected between the condenser and the variable-frequency compressor (300).

8. The heat pump water heater according to claim 1, characterized in that: The heat pump water heater further comprises a fan disk; the fan disk is arranged on one side of the evaporator.

9. The heat pump water heater according to claim 1, characterized in that: The heat pump water heater further comprises heating fins; the heating fins are arranged on one side of the hot water pipe.

10. The heat pump water heater according to claim 1, characterized in that: The heat pump water heater further comprises a liquid storage device (500) and a gas-liquid separator (600); the liquid storage device (500) and the gas-liquid separator (600) are fixed to a circulation pipeline (700) of the heat pump water heater.

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