CN210638296U - Heat exchange type electric water heater with high heat efficiency - Google Patents

Abstract

The utility model discloses a heat exchange type electric water heater with high thermal efficiency, which comprises a shell and an inner container, wherein the inner container is provided with a heat exchange pipe and an electric heating pipe, the heat exchange pipe is respectively communicated with a water inlet pipe and a water outlet pipe, the inner container is internally provided with a baffle plate and is divided into a main container and an auxiliary container, the electric heating pipe is respectively arranged in the main container and the auxiliary container, the main liner and the auxiliary liner are filled with heat conducting liquid, the heat exchange tube is immersed in the heat conducting liquid to provide a structural basis for intelligent heat conduction, the heat conducting liquid is heated by the electric heating tube, heat conduction is carried out through the stainless steel corrugated tube to effectively prevent scaling, in addition, through the arrangement of the gasket and the linkage rod, the circuit disconnection can be realized to the overheated gasification' S of heat-conducting liquid condition that loses efficacy at temperature control element and improves the security to the heat-conducting liquid just can form the liquid seal effect with convenient interpolation of the feed liquor pipe and the overflow pipe that adopt the S type structure, avoids the heat-conducting liquid loss.

Description

Heat exchange type electric water heater with high heat efficiency

Technical Field

The utility model relates to a household electrical appliances technical field specifically is a heat exchange type electric water heater that thermal efficiency is high.

Background

Nowadays, a water heater is a necessary household appliance in every family, wherein the electric water heater is favored by many people due to low installation condition requirements, no gas pipeline arrangement is needed, and a certain illumination intensity is needed unlike a solar energy type, wherein the instant heating type electric water heater has a small volume, is free from storage when being used and heated, and is the development trend of the current electric water heater.

The traditional instant heating type electric water heater adopts a heating rod to directly heat water, the water is easy to form scale due to overhigh temperature between interfaces, the heat conducting liquid is used as a conducting medium to transfer heat to the water at present, but the traditional instant heating type electric water heater still has some defects, such as volatilization loss of the heat conducting liquid and the problem of pressure change caused by expansion with heat and contraction with cold due to temperature change to a container. Still if automatically controlled board inefficacy can not be to water heater secondary protection problem, intelligence, energy-conserving notion are advocated at present in addition, and the traditional form inner bag is that one leads to the storehouse and can't carry out intelligent subregion and handle.

Therefore, the application provides a heat exchange type electric water heater with high heat efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat exchange type electric water heater that thermal efficiency is high to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high heat exchange type electric water heater of thermal efficiency, includes shell, inner bag, the inner bag is located inside the shell, just install hot exchange pipe and be used for the electrothermal tube of heating in the inner bag, the both ends of hot exchange pipe communicate with inlet tube and outlet pipe respectively, be equipped with the baffle in the inner bag and the inner bag is separated for at least one main courage and an auxiliary courage, the quantity of electrothermal tube is a plurality of and installs respectively in main courage and auxiliary courage, all fill with heat-conducting liquid in main courage and the auxiliary courage, hot exchange pipe submergence is in heat-conducting liquid.

Preferably, both ends of the heat exchange tube are respectively communicated with the water inlet tube and the water outlet tube through electricity-proof tubes.

Preferably, the upper portion of inner bag is equipped with the pellosil, just the pellosil forms variable volume's accommodation space with the inner wall of inner bag.

Preferably, the top of the inner container is provided with a liquid inlet and a liquid overflow port, and the liquid inlet and the liquid overflow port are respectively communicated with a liquid inlet pipe and a liquid overflow pipe.

Preferably, the top of feed liquor pipe and overflow pipe is the S type, just the internal diameter of overflow pipe is greater than the feed liquor pipe.

Preferably, the silica gel membrane is provided with a bulge structure and a gasket, the bottom surface of the gasket is connected with the linkage rod, and the linkage rod penetrates through the partition plate and is electrically connected with the electronic switch below the partition plate.

Preferably, the shell and the inner container are made of plastic materials, and the heat exchange tube is a stainless steel corrugated tube.

Preferably, the plurality of electric heating tubes can be independently controlled to be switched on or switched off.

Compared with the prior art, the beneficial effects of the utility model are that: the shell and the inner container of the utility model are made of plastic materials, which is favorable for electric insulation, and compared with metal materials, the shell and the inner container effectively reduce the heat loss, adopt the electric heating tube to heat the heat-conducting liquid, and then conduct heat through the stainless steel corrugated pipe, thus effectively preventing scaling; the liquid inlet pipe and the overflow pipe are arranged to facilitate the addition and discharge of heat conducting liquid, and an S-shaped structure is adopted, so that a liquid sealing effect can be achieved, and evaporation is reduced; in addition, the top of the inner container is sealed by matching with a deformable silica gel film, and the volume can be adjusted along with the change of internal pressure, so that the sealing effect is facilitated; the inner container is at least divided into two heat transfer areas through the partition plate, so that a structural foundation is provided for intelligent heat conduction, such as the auxiliary container preheats tap water, the temperature of the tap water is increased by the main container again, the heat utilization rate of the auxiliary container can be increased as much as possible, and the water heater is more efficient; in addition, due to the arrangement of the gasket and the linkage rod, circuit disconnection can be realized under the condition that the temperature control element fails and the heat conducting liquid is overheated, and accidents are avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view showing the positional relationship between the liquid inlet and the overflow port of the present invention;

FIG. 4 is a schematic view of the S-shape of the overflow pipe of the present invention;

fig. 5 is a schematic sectional structure of the present invention;

fig. 6 is a schematic view of the bottom structure of the present invention;

fig. 7 is a schematic structural view of the electronic switch of the present invention.

In the figure: 1. the device comprises a shell, 2, a liner, 201, a main liner, 202, an auxiliary liner, 3, a partition plate, 4, a heat exchange tube, 5, an electric heating tube, 6, an anti-electricity tube, 7, a silicon membrane, 8, a gasket, 9, a liquid inlet, 10, a liquid overflow port, 11, a liquid inlet tube, 12, a liquid overflow tube, 13, a linkage rod, 14, a water inlet tube, 15, a water outlet tube, 16, a cavity, 17, a binding post, 18, an electronic switch, 19 and a conductor column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a high thermal efficiency heat exchange type electric water heater, the body of this application is made up of outer casing 1 parcel inner bag 2, leave the cavity 16 between outer casing 1 and the inner bag 2 bottom, there is water mixing valve used for installing the hot and cold water in the cavity 16, namely the water mixing valve communicates with intake pipe 14 and outlet pipe 15, still install temperature detect switch and circuit board used for controlling multiple electrothermal tubes 5 to be electrified respectively and heated and cut off in the cavity 16, the circuit board can control the opening degree of the water mixing valve and make-and-break of the temperature detect switch through the input of the external information, the circuit board, water mixing valve, temperature detect switch all exploit the existing electronic component on the market at present, its principle and structure do not belong to the technical characteristic of this application and do not need to be repeated description, the inner bag 2 provides the space for heat exchange, the inside installs heat exchange tube 4 and electrothermal tube 5 used for heating, both ends of electrothermal tube 5 are all run through the inner bag 2 and are connected, the temperature control switch supplies power to the electric heating tube 5 through an external power supply, heat conducting liquid is filled in the inner container 2, the electric heating tube 5 is enabled to heat the heat conducting liquid, then the heat conducting liquid transmits heat to a water body in the heat conducting liquid through the heat exchange tube 4, water temperature is improved, specifically, the heat exchange tube 4 is made of stainless steel corrugated tubes in order to increase heat exchange effect, two ends of the heat exchange tube 4 are respectively communicated with the water inlet tube 14 and the water outlet tube 15, a water inlet and outlet process is achieved, and the water inlet tube 14 and the water outlet tube 15 penetrate through the shell 1 and are communicated with an external pipeline as shown.

The inner container 2 is separated by the clapboard 3, the clapboard 3 and the inner container 2 can be integrally formed when being processed, the inner container 2 is internally provided with the clapboard 3, the inner container 2 is separated into at least one main container 201 and one auxiliary container 202, as shown in figure 2, the inner container 2 is divided into the main container 201 and the auxiliary container 202, two electric heating pipes 5 are respectively arranged in the main container 201 and the auxiliary container 202, the main container 201 and the auxiliary container 202 are filled with heat-conducting liquid, the heat-conducting liquids in the main container 201 and the auxiliary container 202 are not communicated with each other, the heat-exchanging pipe 4 is immersed in the heat-conducting liquid, so that the heat-conducting liquids in the main container 201 and the auxiliary container 202 can be respectively heated to different temperatures, the design provides structural bases for various different forms, for example, the lower temperature of the heat-conducting liquid in the auxiliary container 202 is used for preheating tap water, the higher temperature in the main container 201 is used for increasing the temperature of the tap water, compared with the traditional uniform heat-conducting liquid, the temperature is lower, the form can effectively stabilize the temperature difference value between the heat-conducting liquid and tap water in the heat-exchanging pipe 4, and the heat-transferring efficiency is better;

in addition, the design also provides a structural basis for the intelligent telephone and the electric appliance, for example, the temperature of the heat conducting liquid is very high from the beginning to the end of the traditional water heater, an intelligent learning module can be added to calculate the water consumption of the water heater each time in a period of time, then when the water amount used at this time is close to the previous preset value, the electric heating tube 5 in the auxiliary liner 202 stops heating, the water in the heat exchange tube 4 absorbs heat by utilizing the waste heat and the temperature in the main liner 201, by analogy, the heating of the electric heating tube 5 in the main liner 201 can be gradually stopped, so that the complete heating can be stopped before the water is used, the energy can be effectively saved, of course, the specific stopping, the timing of air-inflation reheating and other problems need to be solved through specific algorithms and statistics, the method only provides a structural foundation for the partition heating of the intelligent electric appliance, and the specific realization of the intelligent effect does not belong to the technical scope to be solved.

Particularly, the both ends of hot exchange pipe 4 all communicate with inlet tube 14 and outlet pipe 15 respectively through preventing electric pipe 6, prevent that electric pipe 6 adopts glass reinforcing silica gel material, and its size can be 0.9 meters and can improve fluid resistance and form and prevent the electric wall effect, avoids electric leakage to hinder the people.

Because the heat conduction liquid is likely to expand with heat and contract with cold or produce steam after being heated, so the upper portion of inner bag 2 is equipped with pellosil 7, and the border of pellosil 7 is connected with the lateral wall of inner bag 2, makes pellosil 7 and the inner wall of inner bag 2 form variable volume's accommodation space, and pellosil 7 has elasticity, can enough seal the space of heat conduction liquid, can do the change of volume adaptability along with the temperature again, and the temperature has been raised and has been bloated promptly, and the temperature has been hanged down and has been shrivelled.

For families, the ideal and easily-obtained heat-conducting liquid is pure water (i.e. ions which are easy to scale such as calcium, magnesium and the like are not contained), in order to facilitate adding and supplementing the pure water for the first time, the top of the inner container 2 is provided with a liquid inlet 9 and an overflow port 10, the liquid inlet 9 and the overflow port 10 are respectively communicated with a liquid inlet pipe 11 and an overflow pipe 12, and the liquid inlet pipe 11 and the overflow pipe 12 are located in a gap between the inner container 2 and the side wall of the shell 1 and penetrate out from the bottom of the shell 1 as shown in fig. 3, so that the heat-conducting liquid overflowing out is conveniently supplemented and drained.

In addition, in order to prevent the heat of the heat-conducting liquid from leaking from the liquid inlet pipe 11 and the overflow pipe 12 along with steam, the top ends of the liquid inlet pipe 11 and the overflow pipe 12 are in an S shape, a part of purified water can be intercepted in the S shape, so that a liquid seal effect is formed, and the inner diameter of the overflow pipe 12 is larger than that of the liquid inlet pipe 11 and can be quickly discharged.

In addition, the existing water heater is provided with a safe temperature control module, namely an electronic component which can automatically cut off power and stop heating when the temperature is over-high is arranged, if the electronic component fails, the temperature of the heat conducting liquid is too high, boiling generates a large amount of steam, and internal pressure is increased, so that danger is possibly caused, although the overflow pipe 12 can play a role in overflowing and pressure reduction, danger still exists if the temperature is too high and continuous heating is performed, specifically, a bulge structure is arranged in the middle of the upper portion of the silicone membrane 7 and is attached with a gasket 8, the bottom surface of the gasket 8 is connected with a linkage rod 13, the linkage rod 13 penetrates through the partition plate 3 and is electrically connected with an electronic switch 18 below (the electronic switch is fixedly connected with the inner wall of the cavity 16 and does not move in position), when the temperature is too high, the heat conducting liquid generates more steam pressure, so that the, and here and inner bag 2 junction distance far away, so ascending deformation is great, gasket 8 can upwards pull gangbar 13 upwards thereby can form the concrete stroke of a physical form, this stroke can be used for making the physical switch of electronic switch 18 disconnection, concrete electronic switch 18 structure sketch is shown in fig. 7, the two are terminal 17 about, terminal 17 connects in series for the circuit of whole device power supply, the middle conductor post 19 top is connected with gangbar 13, can make two terminal 17 disconnection after gangbar 13 rises a section distance, thereby the out-of-service, avoid the overtemperature prote accident.

Particularly, the shell 1 and the inner container 2 are made of plastic materials, are light in weight, are beneficial to insulation and have a heat preservation effect.

The theory of operation, during the first time of using, add the heat-conducting liquid into inner bag 2 through feed liquor pipe 11 earlier, through the heat-conducting liquid in the electrothermal tube 5 heating inner bag 2, the running water gets into in proper order from inlet tube 14 and prevents that electric pipe 6, hot-exchange pipe 4, outlet pipe 15 are heated gradually into hot water in main courage 201 and vice courage 202, mixes the water valve and can implement the temperature regulation with the hot and cold water mixture, thereby the heat-conducting liquid in main courage 201 and the vice courage 202 can set different temperatures and be applied to different demands.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a heat exchange type electric water heater that thermal efficiency is high, includes shell (1), inner bag (2) are located inside shell (1), just install hot exchange pipe (4) and be used for electrothermal tube (5) of heating in inner bag (2), the both ends of hot exchange pipe (4) communicate with inlet tube (14) and outlet pipe (15) respectively, its characterized in that: the heat-conducting type solar heat collector is characterized in that a partition plate (3) is arranged in the inner container (2), the inner container (2) is divided into at least one main container (201) and one auxiliary container (202), a plurality of electric heating pipes (5) are arranged in the main container (201) and the auxiliary container (202) respectively, the main container (201) and the auxiliary container (202) are filled with heat-conducting liquid, and the heat-conducting pipes (4) are immersed in the heat-conducting liquid.

2. A thermally efficient, heat exchange electric water heater according to claim 1, wherein: and two ends of the heat exchange tube (4) are respectively communicated with a water inlet tube (14) and a water outlet tube (15) through an anti-electric tube (6).

3. A thermally efficient, heat exchange electric water heater according to claim 1, wherein: the upper portion of inner bag (2) is equipped with pellosil (7), just pellosil (7) and the inner wall of inner bag (2) form variable volume's accommodation space.

4. A thermally efficient, heat exchange electric water heater according to claim 1, wherein: the top of the inner container (2) is provided with a liquid inlet (9) and a liquid overflow port (10), and the liquid inlet (9) and the liquid overflow port (10) are respectively communicated with a liquid inlet pipe (11) and a liquid overflow pipe (12).

5. A thermally efficient, heat exchange electric water heater according to claim 4, wherein: the top of feed liquor pipe (11) and overflow pipe (12) is the S type, just the internal diameter of overflow pipe (12) is greater than feed liquor pipe (11).

6. A thermally efficient, heat exchange electric water heater according to claim 3, wherein: the silicon rubber film (7) is provided with a bulge structure and a gasket (8), the bottom surface of the gasket (8) is connected with a linkage rod (13), and the linkage rod (13) penetrates through the partition plate (3) and is electrically connected with an electronic switch (18) below.

7. A thermally efficient, heat exchange electric water heater according to claim 1, wherein: the shell (1) and the inner container (2) are made of plastic materials, and the heat exchange tubes (4) are made of stainless steel corrugated tubes.

8. A thermally efficient, heat exchange electric water heater according to claim 1, wherein: the electrothermal tubes (5) can be independently controlled to be opened or closed.

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