CN215337065U

CN215337065U - High-efficiency water heating unit

Info

Publication number: CN215337065U
Application number: CN202121466599.XU
Authority: CN
Inventors: 李合献
Original assignee: Dongguan Xiangneng Electrical Equipment Co ltd
Current assignee: Dongguan Xiangneng Electrical Equipment Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-28
Anticipated expiration: 2031-06-29

Abstract

The utility model belongs to the technical field of electric heating equipment, and particularly relates to a high-efficiency hot water unit which comprises a shell, a partition plate, a pressure regulating device, a heater, a water inlet pipe, a water outlet pipe, a first heat exchange coil and a second heat exchange coil; the partition board is arranged in the shell and divides the shell into an expansion cavity and a heat exchange cavity, and a plurality of through holes are formed in the partition board; a first heating oil is arranged in the heat exchange cavity; one end of the heater penetrates through the partition plate and extends to the bottom of the shell; the first heat exchange coil and the second heat exchange coil are both arranged in the heat exchange cavity, a space is arranged between the first heat exchange coil and the second heat exchange coil, and the first heat exchange coil and the second heat exchange coil both extend spirally along the height direction of the shell; the water inlet pipe is connected with the first heat exchange coil and the second heat exchange coil, and the water outlet pipe is connected with the first heat exchange coil and the second heat exchange coil; the pressure regulating device is arranged outside the shell, communicated with the expansion cavity and used for regulating the pressure intensity in the expansion cavity. Can heat a large amount of water at a time, and can achieve the heating effect quickly and efficiently.

Description

High-efficiency water heating unit

Technical Field

The utility model belongs to the technical field of electric heating equipment, and particularly relates to a high-efficiency water heating unit.

Background

At present, the energy shortage and the environmental problem are increasingly highlighted, and the realization of energy conservation and emission reduction of the industry becomes very urgent. All countries are dedicated to research and develop new energy-saving technologies, and especially development and application of energy storage products are much more promising. Various air energy heat pump water heaters, water source heat pump water heaters and air-conditioning heat recovery water heaters appear in succession, and flood the household appliance market. Although the energy efficiency ratio (COP) of these water heaters is higher than that of oil, gas, electric heating and other forms of water heaters, and the cost of hot water is much lower than that of the latter, sensible heat is absorbed by hot water in the heating process of these water heaters, and the energy efficiency ratio (COP) of a refrigeration compressor gradually decreases as the temperature of the hot water increases, and the heat absorption rate of the hot water also becomes lower and lower.

The high carbon molecular heating oil-water heating unit uses high carbon molecular heating oil as heat exchange medium, which gradually tends to replace the common electric water heater or electric water boiler. However, the high-carbon molecular hot oil and water heating unit in the current market has lower heating efficiency and cannot meet the requirements of users.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-efficiency hot water unit, and aims to solve the technical problems that a high-carbon molecule hot oil hot water unit in the prior art is low in heating efficiency and cannot meet the requirements of users.

In order to achieve the above object, an embodiment of the present invention provides a high efficiency hot water unit, which includes a housing, a partition, a pressure regulating device, a heater, a water inlet pipe, a water outlet pipe, a first heat exchanging coil and a second heat exchanging coil; the partition plate is arranged in the shell and divides the shell into an expansion cavity and a heat exchange cavity which are arranged up and down, and a plurality of through holes are formed in the partition plate and are used for communicating the expansion cavity with the heat exchange cavity; a first heating oil is arranged in the heat exchange cavity; the heater is arranged on the shell, and one end of the heater penetrates through the partition plate and extends to the bottom of the shell; the first heat exchange coil and the second heat exchange coil are both arranged in the heat exchange cavity, the first heat exchange coil is sleeved outside the second heat exchange coil, a space is arranged between the first heat exchange coil and the second heat exchange coil, and the first heat exchange coil and the second heat exchange coil both extend spirally along the height direction of the shell; one end of the water inlet pipe penetrates through the shell and extends into the heat exchange cavity to be connected with the first heat exchange coil and the second heat exchange coil, and one end of the water outlet pipe penetrates through the shell and extends into the heat exchange cavity to be connected with the first heat exchange coil and the second heat exchange coil; the pressure regulating device is arranged outside the shell, is communicated with the expansion cavity and is used for regulating the pressure in the expansion cavity.

Optionally, the liquid level of the first heating oil is higher than the level of the highest point of the first heat exchange coil and the highest point of the second heat exchange coil.

Optionally, the tube diameter of the first heat exchange coil is equal to the tube diameter of the second heat exchange coil.

Optionally, the axial length of the first heat exchange coil is greater than the axial length of the second heat exchange coil.

Optionally, the pressure regulating device comprises a pressure regulating tank body, a connecting pipe and an exhaust pipe, the pressure regulating tank body is fixedly connected outside the shell, and second heating oil is arranged in the pressure regulating tank body; one end of the connecting pipe is connected to the top of the shell, and the other end of the connecting pipe extends into the bottom of the pressure regulating tank body; the exhaust pipe is connected to the top of the pressure regulating tank body, one end of the exhaust pipe extends out of the pressure regulating tank body, and the other end of the exhaust pipe is located above the second heating oil.

Optionally, one end of the exhaust pipe extending out of the pressure regulating tank body is connected with an electromagnetic valve.

Optionally, a temperature adjusting device is arranged at one end of the water outlet pipe extending out of the shell, and a thermometer and a cold water inlet pipe are arranged on the temperature adjusting device.

Optionally, the high-efficiency water heating unit further comprises a stirring device, the stirring device comprises a driving motor, a stirring shaft and stirring blades, the driving motor is arranged at the top of the shell, the stirring shaft is connected with a main shaft of the driving motor, the stirring shaft is coaxial with the second heat exchange coil pipe, and one end of the stirring shaft is close to the bottom of the shell; the stirring blades are arranged on the stirring shaft.

Optionally, a fixing seat is arranged in the shell, the fixing seat is fixedly connected to the bottom of the shell, and the first heat exchange coil and the second heat exchange coil are fixed on the fixing seat.

Optionally, the high efficiency hot water unit further comprises a temperature sensor connected to the top of the housing and configured to detect a temperature inside the housing.

One or more technical schemes in the high-efficiency hot water unit provided by the embodiment of the utility model have at least one of the following technical effects: according to the high-efficiency water heating unit provided by the embodiment of the utility model, the heater is positioned between the first heat exchange coil and the second heat exchange coil, the first heat exchange coil and the second heat exchange coil are both formed by spirally surrounding a round pipe, the first heat exchange coil and the second heat exchange coil are both communicated with the water inlet pipe, and the first heat exchange coil and the second heat exchange coil are both communicated with the water outlet pipe; the pressure regulating device is arranged on the outer side of the shell. During the use, the heater starts, heat the first heating oil heating of heat transfer intracavity, first heating oil rapid heating up, and rise first heat exchange coil and second heat exchange coil's temperature, water gets into from the inlet tube, and the reposition of redundant personnel gets into first heat exchange coil and second heat exchange coil respectively, because the equal spiral of first heat exchange coil and second heat exchange coil encircles and extends along the direction of height of casing, the stroke of water has been increased, reach the purpose that water fully exchanges heat with first heating oil in first heat exchange coil and second heat exchange coil, and because water is discharged from the outlet pipe of first heat exchange coil and second heat exchange coil simultaneously, can once heat a large amount of water, high efficiency reaches the effect of heating. In the process of heating the first heating oil, the first heating oil expands due to the self property volume, the first heating oil enters the expansion cavity through the through holes of the partition plate, and the gas in the expansion cavity enters the pressure regulating device for regulation; therefore, the damage to the shell caused by the volume expansion of the first heating oil is avoided. After the heating is stopped, the first heating oil in the expansion cavity flows back to the heat exchange cavity through the through hole, so that the waste is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a high-efficiency hot water unit according to an embodiment of the present invention.

Fig. 2 is another schematic structural diagram of the high-efficiency hot water unit according to the embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a point a in fig. 2.

Wherein, in the figures, the respective reference numerals:

10-shell 11-expansion chamber 12-heat exchange chamber

13-first heating oil 14-driving motor 15-stirring shaft

16-stirring blade 17-fixing seat 18-temperature sensor

20-partition plate 21-through hole 30-pressure regulating device

31-pressure regulating tank 32-connecting pipe 33-exhaust pipe

34-second heating oil 35-electromagnetic valve 40-heater

50-water inlet pipe 60-water outlet pipe 70-first heat exchange coil

80-second heat exchange coil 90-temperature adjusting device 91-thermometer

92-cold water inlet pipe.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-3 are exemplary and intended to be used to illustrate embodiments of the utility model, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 3, a high efficiency hot water unit is provided, which includes a housing 10, a partition plate 20, a pressure regulating device 30, a heater 40, a water inlet pipe 50, a water outlet pipe 60, a first heat exchanging coil 70 and a second heat exchanging coil 80; the partition plate 20 is arranged in the shell 10 and divides the shell 10 into an expansion cavity 11 and a heat exchange cavity 12 which are arranged up and down, and a plurality of through holes 21 are formed in the partition plate 20 and are used for communicating the expansion cavity 11 with the heat exchange cavity 12; a first heating oil 13 is arranged in the heat exchange cavity 12; the heater 40 is arranged on the shell 10, and one end of the heater 40 penetrates through the partition plate 20 and extends to the bottom of the shell 10; the first heat exchange coil 70 and the second heat exchange coil 80 are both arranged in the heat exchange cavity 12, the first heat exchange coil 70 is sleeved outside the second heat exchange coil 80, a space is arranged between the first heat exchange coil 70 and the second heat exchange coil 80, and both the first heat exchange coil 70 and the second heat exchange coil 80 spirally extend along the height direction of the shell 10; one end of the water inlet pipe 50 penetrates through the shell 10 and extends into the heat exchange cavity 12 to be connected with the first heat exchange coil 70 and the second heat exchange coil 80, and one end of the water outlet pipe 60 penetrates through the shell 10 and extends into the heat exchange cavity 12 to be connected with the first heat exchange coil 70 and the second heat exchange coil 80; the pressure regulating device 30 is disposed outside the housing 10 and is communicated with the expansion chamber 11, and is used for regulating the pressure in the expansion chamber 11.

Specifically, in the high-efficiency water heating unit according to the embodiment of the present invention, the heater 40 is located between the first heat exchanging coil 70 and the second heat exchanging coil 80, the first heat exchanging coil 70 and the second heat exchanging coil 80 are both formed by spirally surrounding a round pipe, the first heat exchanging coil 70 and the second heat exchanging coil 80 are both communicated with the water inlet pipe 50, and the first heat exchanging coil 70 and the second heat exchanging coil 80 are both communicated with the water outlet pipe 60; the pressure adjusting device 30 is mounted on the outside of the housing 10. When the water heater is used, the heater 40 is started to heat the first heating oil 13 in the heat exchange cavity 12, the first heating oil 13 is quickly heated, the temperatures of the first heat exchange coil 70 and the second heat exchange coil 80 are increased, water enters from the water inlet pipe 50 and flows into the first heat exchange coil 70 and the second heat exchange coil 80 in a shunting manner respectively, the first heat exchange coil 70 and the second heat exchange coil 80 are spirally wound and extend along the height direction of the shell 10, the water stroke is increased, the purpose of fully exchanging heat between the water in the first heat exchange coil 70 and the first heating oil 13 in the second heat exchange coil 80 is achieved, and the water is simultaneously discharged from the water outlet pipes 60 of the first heat exchange coil 70 and the second heat exchange coil 80, so that a large amount of water can be heated at one time, and the heating effect is quickly and efficiently achieved. In the process of heating the first heating oil 13, the first heating oil 13 expands due to the self-property volume, the first heating oil 13 enters the expansion cavity 11 through the through holes 21 of the partition plate 20, and the gas in the expansion cavity 11 enters the pressure regulating device 30 for regulation; in this way, the first heating oil 13 is prevented from expanding in volume to damage the casing 10. After the heating is stopped, the first heating oil 13 in the expansion cavity 11 flows back to the heat exchange cavity 12 through the through hole 21, so that the waste is avoided.

Further, two adjacent pipelines of first heat exchange coil 70 are pressed close to each other, and two adjacent pipelines of second heat exchange coil 80 are pressed close to each other, so, when the stroke of increase water, the inflow also increases, can once heat a large amount of water, and is high-efficient quick.

In another embodiment of the present invention, as shown in fig. 1 to 2, the liquid level of the first heating oil 13 is higher than the level of the highest point of the first heat exchanging coil 70 and the highest point of the second heat exchanging coil 80. Specifically, the first heat exchanging coil 70 and the second heat exchanging coil 80 are both immersed in the first heating oil 13, and the number of the heaters 40 may be plural and are both located at the interval between the first heat exchanging coil 70 and the second heat exchanging coil 80, so that the first heating oil 13 can be heated quickly and uniformly.

In another embodiment of the present invention, as shown in FIGS. 1-2, the tube diameter of the first heat exchanging coil 70 is equal to the tube diameter of the second heat exchanging coil 80. Specifically, the diameter of the tubes of the first heat exchange coil 70 is equal to the diameter of the tubes of the second heat exchange coil 80, such that the amount of water diverted into the first heat exchange coil 70 and the second heat exchange coil 80 is the same.

In another embodiment of the present invention, as shown in FIGS. 1-2, the axial length of the first heat exchanging coil 70 is greater than the axial length of the second heat exchanging coil 80. Specifically, the length of the first heat exchanging coil 70 is greater than that of the second heat exchanging coil 80, so that the second heat exchanging coil 80 is prevented from being too long and affecting the flow of the first heating oil 13.

In another embodiment of the present invention, as shown in fig. 1 to 2, the pressure regulating device 30 includes a pressure regulating tank 31, a connecting pipe 32 and an exhaust pipe 33, the pressure regulating tank 31 is fixedly connected to the outside of the housing 10, and a second heating oil 34 is arranged in the pressure regulating tank 31; one end of the connecting pipe 32 is connected to the top of the shell 10, and the other end of the connecting pipe extends into the bottom of the pressure regulating tank 31; the exhaust pipe 33 is connected to the top of the pressure regulating tank 31, one end of the exhaust pipe 33 extends out of the pressure regulating tank 31, and the other end of the exhaust pipe 33 is located above the second heating oil 34. Specifically, the pressure regulating tank 31 is fixedly connected to the outer side of the housing 10 and can be fixed in a threaded manner; the connecting pipe 32 connects the expansion chamber 11 and the interior of the pressure-regulating tank 31; when the first heating oil 13 expands in volume, the gas in the expansion chamber 11 is compressed into the pressure-regulating tank 31 through the connection pipe 32, passes through the second heating oil 34 in the form of bubbles, and is discharged from the gas discharge pipe 33. The second heating oil 34 functions as a seal to prevent external air from entering the casing 10.

In another embodiment of the present invention, as shown in fig. 1 to 2, an electromagnetic valve 35 is connected to one end of the exhaust pipe 33 extending out of the pressure-regulating tank 31. Specifically, the exhaust of the exhaust pipe 33 is controlled by the electromagnetic valve 35.

In another embodiment of the present invention, as shown in fig. 1 to 2, a temperature adjusting device 90 is disposed at one end of the water outlet pipe 60 extending out of the housing 10, and a thermometer 91 and a cold water inlet pipe 92 are disposed on the temperature adjusting device 90. Specifically, the cold water inlet tube 92 is used for feeding cold water to adjust the water temperature in the water outlet tube 60, and the water temperature adjusted by the temperature adjusting device 90 is known through the thermometer 91, so that the requirements of users are met.

In another embodiment of the present invention, as shown in fig. 2, the high efficiency hot water unit further includes a stirring device, the stirring device includes a driving motor 14, a stirring shaft 15 and a stirring blade 16, the driving motor 14 is disposed on the top of the housing 10, the stirring shaft 15 is connected to a main shaft of the driving motor 14, the stirring shaft 15 is coaxial with the second heat exchanging coil 80, and one end of the stirring shaft 15 is close to the bottom of the housing 10; the stirring blade 16 is arranged on the stirring shaft 15. Specifically, in the process that the heater 40 heats the first heating oil 13, the driving motor 14 is started to drive the stirring shaft 15 to rotate, the stirring shaft 15 drives the stirring blade 16 to rotate, and the stirring blade 16 stirs the first heating oil 13, so that the first heating oil 13 is heated uniformly, and the service lives of the first heating oil 13 and the heater 40 are prolonged.

In another embodiment of the present invention, as shown in fig. 1 to 2, a fixing seat 17 is disposed in the casing 10, the fixing seat 17 is fixedly connected to the bottom of the casing 10, and both the first heat exchanging coil 70 and the second heat exchanging coil 80 are fixed on the fixing seat 17. Specifically, first heat exchange coil 70 and second heat exchange coil 80 are fixed through fixing base 17, guarantee the firm of first heat exchange coil 70 and second heat exchange coil 80 in casing 10, avoid first heat exchange coil 70 and second heat exchange coil 80 to take place the slope in the transportation or at agitating unit stirring in-process, influence the normal work of high efficiency hot water unit.

In another embodiment of the present invention, as shown in fig. 1 to 2, the high efficiency hot water unit further includes a temperature sensor 18, and the temperature sensor 18 is connected to the top of the housing 10 and is used for detecting the temperature inside the housing 10. Specifically, the temperature sensor 18 is used for detecting the temperature inside the casing 10, and detecting the oil temperature of the first heating oil 13 to reflect the operation state inside the casing 10.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A high efficiency hot water unit which characterized in that: the device comprises a shell, a partition plate, a pressure regulating device, a heater, a water inlet pipe, a water outlet pipe, a first heat exchange coil and a second heat exchange coil; the partition plate is arranged in the shell and divides the shell into an expansion cavity and a heat exchange cavity which are arranged up and down, and a plurality of through holes are formed in the partition plate and are used for communicating the expansion cavity with the heat exchange cavity; a first heating oil is arranged in the heat exchange cavity; the heater is arranged on the shell, and one end of the heater penetrates through the partition plate and extends to the bottom of the shell; the first heat exchange coil and the second heat exchange coil are both arranged in the heat exchange cavity, the first heat exchange coil is sleeved outside the second heat exchange coil, a space is arranged between the first heat exchange coil and the second heat exchange coil, and the first heat exchange coil and the second heat exchange coil both extend spirally along the height direction of the shell; one end of the water inlet pipe penetrates through the shell and extends into the heat exchange cavity to be connected with the first heat exchange coil and the second heat exchange coil, and one end of the water outlet pipe penetrates through the shell and extends into the heat exchange cavity to be connected with the first heat exchange coil and the second heat exchange coil; the pressure regulating device is arranged outside the shell, is communicated with the expansion cavity and is used for regulating the pressure in the expansion cavity.

2. The high efficiency water heating unit according to claim 1, wherein: the liquid level of the first heating oil is higher than the level height of the highest point of the first heat exchange coil and the level height of the highest point of the second heat exchange coil.

3. The high efficiency water heating unit according to claim 1, wherein: the diameter of the first heat exchange coil is equal to the diameter of the second heat exchange coil.

4. The high efficiency water heating unit according to claim 1, wherein: the axial length of the first heat exchange coil is greater than the axial length of the second heat exchange coil.

5. The high-efficiency water heating unit according to any one of claims 1 to 4, characterized in that: the pressure regulating device comprises a pressure regulating tank body, a connecting pipe and an exhaust pipe, the pressure regulating tank body is fixedly connected outside the shell, and second heating oil is arranged in the pressure regulating tank body; one end of the connecting pipe is connected to the top of the shell, and the other end of the connecting pipe extends into the bottom of the pressure regulating tank body; the exhaust pipe is connected to the top of the pressure regulating tank body, one end of the exhaust pipe extends out of the pressure regulating tank body, and the other end of the exhaust pipe is located above the second heating oil.

6. The high efficiency water heating unit according to claim 5, wherein: and one end of the exhaust pipe extending out of the pressure regulating tank body is connected with an electromagnetic valve.

7. The high-efficiency water heating unit according to any one of claims 1 to 4, characterized in that: one end of the water outlet pipe extending out of the shell is provided with a temperature adjusting device, and the temperature adjusting device is provided with a thermometer and a cold water inlet pipe.

8. The high-efficiency water heating unit according to any one of claims 1 to 4, characterized in that: the high-efficiency water heating unit further comprises a stirring device, the stirring device comprises a driving motor, a stirring shaft and stirring blades, the driving motor is arranged at the top of the shell, the stirring shaft is connected with a main shaft of the driving motor and is coaxial with the second heat exchange coil pipe, and one end of the stirring shaft is close to the bottom of the shell; the stirring blades are arranged on the stirring shaft.

9. The high-efficiency water heating unit according to any one of claims 1 to 4, characterized in that: the shell is internally provided with a fixed seat, the fixed seat is fixedly connected to the bottom of the shell, and the first heat exchange coil and the second heat exchange coil are fixed on the fixed seat.

10. The high-efficiency water heating unit according to any one of claims 1 to 4, characterized in that: the high-efficiency hot water unit further comprises a temperature sensor, wherein the temperature sensor is connected to the top of the shell and used for detecting the temperature in the shell.