CN218600015U - Electric heating module and gas water heater - Google Patents

Abstract

The utility model discloses an electric heating module and a gas water heater, wherein the electric heating module comprises a shell, a heating pipe and a water pipe, and the shell is provided with a water inlet joint and a water outlet joint; the heating tube is arranged in the shell and comprises a spiral section and two electric connection sections, and the two electric connection sections are respectively connected with two ends of the spiral section; and the end of intaking and the water supply connector intercommunication of water pipe, the play water end and the water supply connector intercommunication of water pipe, the water pipe encloses with the heliciform and locates outside the heating tube, area of contact between water pipe and the heating tube increase to make the heat transfer area increase between heating tube and the water pipe, improve heat exchange efficiency, promoted the speed of heating the temperature. Furthermore, the utility model discloses a gas heater who still discloses has configured foretell electric heating module, can accelerate the speed of heating the temperature to can keep out the temperature of water, make and reduce the time of cold water when going out water, and owing to use electric heating module, also can effectively noise reduction.

Description

Electric heating module and gas water heater

Technical Field

The utility model relates to a water heater technical field especially relates to an electric heating module and gas heater.

Background

At present, gas water heaters on the market use gas as fuel, and transfer heat to cold water flowing through a heat exchanger in a combustion heating mode to achieve the purpose of preparing hot water.

When a common gas water heater is started, if a toilet is far away from a kitchen, a pipeline is long, so that partial cold water exists in the pipeline of the gas water heater, and when the water heater is opened, the partial cold water needs to be discharged firstly, so that hot water can be generated after a certain amount of cold water flows out firstly when the gas water heater is started, and further, the waiting time of a user is long, and the user experience is influenced.

And if adopt zero cold water heater, zero cold water heater has inching circulation function, a circulating pump has been more than ordinary gas heater, the circulating pump can be taken away cold water from the hot-water line in advance, thereby guaranteed that the user can obtain hot water after opening the water heater, but the pressure of present circulating pump is mostly from the running water, only after water pressure reaches certain requirement, just can send the cold water in the hot-water line back to the water heater and heat, at this in-process, the work of circulating pump can produce the noise. Adopt electric heating module can solve the noise problem, but electric heating module on the present market is bulky, is difficult to the direct mount inside gas heater.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims at providing an electric heating module, which has smaller volume, can improve the speed of heating water temperature and keep the water outlet temperature.

A second object of the present invention is to provide a gas water heater, which comprises the above-mentioned electric heating module, and can increase the heating water temperature and keep the water temperature.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

an electrical heating module comprising:

the water inlet connector and the water outlet connector are arranged on the shell;

the heating tube is arranged in the shell and comprises a spiral section and two electric connection sections, and the two electric connection sections are respectively connected with two ends of the spiral section;

the water inlet end of the water pipe is communicated with the water inlet connector, the water outlet end of the water pipe is communicated with the water outlet connector, and the water pipe is spirally surrounded outside the heating pipe.

Further, the shell is equipped with first installation face, and first installation face is equipped with two cross-under holes, and two electric connection sections are stretched out from first installation face through the cross-under hole respectively.

Further, one of the electrical connection sections extends out of one of the through holes, and the other electrical connection section passes through the spiral section and extends towards the first mounting surface along the axial direction so as to extend out of the other through hole.

Furthermore, a sealing element is arranged on the first mounting surface, a cross-connection gap is formed between the outer wall of the electric connection section and the inner wall of the cross-connection hole, the sealing element is sleeved on the electric connection section, and the sealing element is used for sealing the cross-connection gap.

Further, a temperature controller is arranged on the first mounting surface and electrically connected with the electric connection section.

Furthermore, the end face, far away from the first mounting face, of the shell is a second mounting face, a plurality of connecting holes are formed in the second mounting face, and the connecting holes are used for being connected with the connecting piece in a penetrating mode.

Furthermore, the second mounting surface is provided with a plurality of connecting columns, the connecting columns and the second mounting surface are integrally formed, and the connecting holes are formed in the connecting columns.

Furthermore, the second installation face is provided with a plurality of grooves, the shell further comprises a plurality of heat insulation pads, the heat insulation pads are embedded in the grooves, and the heat insulation pads are arranged in the connecting holes.

Further, the housing is an aluminum housing.

The second purpose of the utility model is realized by adopting the following technical scheme:

a gas water heater comprising:

the water purifier comprises a machine body, a water inlet pipe and a water outlet pipe, wherein the machine body is provided with the water inlet pipe and the water outlet pipe;

the electric heating module is arranged in the machine body, the water inlet connector is communicated with the water inlet pipe, and the water outlet connector is communicated with the water outlet pipe.

To sum up, the utility model discloses following technological effect has:

1. according to the electric heating module, the heating tube which is spirally arranged is arranged in the shell, so that the heating tube can be longer in a smaller space, and the heating tube is ensured to have smaller heat load per unit area; enclose the water pipe with the heliciform and establish outside the heating tube, can make the area of contact increase between water pipe and the heating tube to make the heat transfer area increase between heating tube and the water pipe, improve heat exchange efficiency, promoted the speed of heating the temperature.

2. The electric heating module is arranged in the gas water heater, so that the water heating speed can be increased, the water outlet temperature can be kept, the cold water outlet time is shortened during water outlet, and the noise can be effectively reduced due to the use of the electric heating module.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of an electric heating module of the present invention;

fig. 2 is a schematic diagram of the internal structure of the electric heating module of the present invention;

FIG. 3 is a schematic structural view of the heating tube of the present invention;

FIG. 4 is a schematic view of the bottom of the electric heating module housing of the present invention having a heat insulating pad;

fig. 5 is a schematic view of the electric heating module of the present invention with a screw hole at the bottom of the housing.

Wherein the reference numerals have the following meanings: 1. a housing; 11. a water inlet joint; 12. a water outlet joint; 13. a heat insulating pad; 14. connecting columns; 15. a first mounting surface; 16. a second mounting surface; 2. a heat generating tube; 21. a helical section; 22. an electrical connection section; 3. a water pipe; 4. and (7) a temperature controller.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

in the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The present invention will be described in further detail with reference to the accompanying drawings.

In the case of the example 1, the following examples are given,

the electric heating module shown in fig. 1 to 3 comprises a housing 1, a heating tube 2 and a water tube 3, wherein a water inlet connector 11 and a water outlet connector 12 are arranged at the housing 1, the water inlet connector 11 is communicated with a water inlet tube of the gas water heater, and the water outlet connector 12 is communicated with a water outlet tube of the gas water heater. Install heating tube 2 in shell 1, and heating tube 2 includes spiral section 21 and two electric connection sections 22, these two electric connection sections 22 are connected with the both ends of spiral section 21 respectively, in this embodiment, electric connection section 22 and spiral section 21 are integrated into one piece, still be equipped with water pipe 3 outside heating tube 2, and water pipe 3 is the heliciform and encloses to be established outside heating tube 2, and hug closely with heating tube 2, the end of intaking of water pipe 3 communicates with the water supply connector 11 of shell 1, the water outlet end of water pipe 3 communicates with the water outlet connector 12 of shell 1.

On the basis of the above structure, when the electric heating module of the present embodiment is used, the cold water in the pipe of the gas water heater enters into the water pipe 3 of the electric heating module through the water inlet pipe, and spirally flows around the heating pipe 2 along with the flow path of the water pipe 3. After having started the electric heating module, heating tube 2 begins to generate heat and maintains on certain temperature, and when rivers flowed round water pipe 3, because water pipe 3 hugs closely heating tube 2, consequently heating tube 2 can heat the water in water pipe 3, and hot water after the heating flows to gas heater's outlet pipe through the water outlet of water pipe 3 to outwards flow.

In the prior art, a common gas water heater comprises a water inlet pipe, a water outlet pipe and a heat exchanger, when the gas water heater is used, water enters from the water inlet pipe firstly and is heated when passing through the heat exchanger, and then flows out through the water outlet pipe, but if a toilet is far away from a kitchen, the water outlet pipe of the gas water heater is longer, so that before the gas water heater is used, the water outlet pipe can retain the residual water after the last use, the residual water is cooled, the temperature is lower, so when the gas water heater is used, the residual cold water flows out from the water outlet pipe firstly, hot water can appear after a certain amount of cold water flows out firstly when the gas water heater is started, and therefore a user can experience cold water firstly in the waiting process and then experience hot water, the waiting time of the user is longer, and the use experience of the user is influenced.

And use the utility model discloses an after the electric heating module, water in gas heater's the pipeline can be earlier through the electric heating module and obtain the heating in the electric heating module, just later can outwards discharge, and therefore the user waits for out hydrothermal time just can shorten, has promoted user's use and has experienced. Adopt electric heating module also can effectively reduce gas heater and produce great noise when the heating, and then further promoted user's use and experienced.

In addition, the electric heating module adopts the heating pipe 2 to be spirally arranged, the water pipe 3 also adopts the spiral shape to be surrounded outside the heating pipe 2, thereby effectively reducing the volume of the electric heating module, enabling the electric heating module to be arranged inside a gas water heater, realizing longer length in a smaller space, ensuring that the heat load per unit area of the heating pipe 2 is smaller, having longer service life, ensuring that the flow channel of the spiral water pipe 3 is longer, ensuring that the time for heating water flow is sufficient, and keeping the water temperature at hotter temperature.

Further, as shown in fig. 1, one end surface on the case 1 is set as a first mounting surface 15, two through holes are provided on the first mounting surface 15, and the two electrical connection sections 22 of the heating tube 2 are respectively protruded out of the first mounting surface 15 through the through holes.

On the basis of above-mentioned structure, because the electric connection section 22 of heating tube 2 needs to carry out electric connection with external equipment, then just can make heating tube 2 generate heat through the effect of electric current, and heat rivers, consequently, stretch out the electric connection section 22 at 2 both ends of heating tube from same first installation face 15, be favorable to carrying out electric connection to electric connection section 22 and external equipment, thereby realize generating heat of heating tube 2, and also can save waterproof processing's cost, guarantee rivers and can not flow to heating tube 2, lead to heating tube 2 short circuit damage even.

Further, as shown in fig. 3, one of the electrical connection sections 22 of the heat generating tube 2 protrudes from one of the through holes on the housing 1, the other electrical connection section 22 passes through the spiral section 21 and extends axially toward the first mounting surface 15 and protrudes from the other through hole on the housing 1, in this embodiment, the heat generating tube has two ends, the electrical connection section 22 of the heat generating tube 2 near one end of the first mounting surface 15 can protrude from one of the through holes, and the electrical connection section 22 of the heat generating tube 2 far from one end of the first mounting surface 15 can be bent inward and penetrates from the inside of the spiral section 21 and extends toward the first mounting surface 15, so that the two electrical connection sections protrude from the first mounting surface 15 at the same time.

On the basis of above-mentioned structure, it stretches out from same installation face specifically to have explained how effectively to realize two electric connection sections 22 of heating tube 2, because electric connection section 22 of heating tube 2 needs to carry out electric connection with external equipment, then just can make heating tube 2 generate heat through the effect of electric current, and heat rivers, consequently, need stretch out the electric connection section 22 at heating tube 2 both ends from same first installation face 15, be favorable to carrying out electric connection with the electric connection section 22 of heating tube 2 and external equipment, thereby realize generating heat of heating tube 2.

And two electric connection sections 22 stretch out from same installation face, only need to do water repellent on one face can, guarantee that rivers can not flow to heating tube 2, lead to heating tube 2 short circuit even damage, save water repellent's cost.

Further, a sealing element is arranged on the first mounting surface 15, and since a cross-connection gap is formed between the outer wall of the electrical connection section 22 and the inner wall of the cross-connection hole, the sealing element is sleeved on the electrical connection section 22 and used for sealing the cross-connection gap.

On the basis of above-mentioned structure, because electric connection section 22 passes the cross connection hole and outwards stretches out, consequently can have the cross connection clearance between the outer wall of electric connection section 22 and the inner wall of cross connection hole, if rivers enter into in the shell 1 of electric heating module from the cross connection clearance, probably lead to heating tube 2 short circuit, in addition if some hard particulate matters enter into shell 1 through the cross connection clearance, also can lead to wearing and tearing water pipe 3 and heating tube 2, lead to water pipe 3 to break and heating tube 2 to damage, consequently, need carry out waterproof sealing to the cross connection clearance, and because two electric connection sections 22 stretch out from same installation face, consequently only need do a sealing member can, the cost and the resource of sealing member have been saved.

It should be noted that, in this embodiment, the sealing member may be a plastic member for sealing, and the plastic member is sleeved on the two electrical connection sections 22, so as to waterproof and seal the penetrating gap. Of course, the sealing element may also be made of other materials, such as a silicone material or a rubber material, and the material of the sealing element may be selected and set according to the needs of the actual situation.

Further, as shown in fig. 1, a temperature controller 4 is disposed on the first mounting surface 15, and the temperature controller 4 is electrically connected to the electrical connection section 22, that is, the temperature controller 4 is connected to the electrical connection section 22 in series.

On the basis of the structure, the temperature controller 4 can detect whether the temperature of the heating tube 2 exceeds a critical value, and when the temperature controller 4 detects that the temperature of the heating tube 2 exceeds the critical value, the connection with the electric connection section 22 is disconnected, so that the heating tube 2 is powered off and heating is stopped; when the temperature controller 4 detects that the heating tube 2 is cooled to a temperature lower than the critical value, the temperature controller 4 is connected with the electrical connection section 22 again, and the heating tube 2 is electrified and heated again.

So set up and can effectively avoid the overheated temperature that leads to of heating tube 2 to can make heating tube 2 keep at certain temperature range, thereby when heating the water in water pipe 3, also can let the temperature keep at a stable scope, guarantee stable leaving water temperature.

It should be noted that, above-mentioned temperature controller 4 can adopt among the prior art kick temperature controller, liquid formula temperature controller that rises, pressure type temperature controller, digital temperature controller and electronic type temperature controller etc. can select and set up temperature controller 4 according to actual conditions's needs, and the concrete structure and the theory of operation of temperature controller do not belong to the technical content that this application will protect, and it is no longer repeated in detail here.

Further, the housing 1 of the electric heating module is made of aluminum with high heat conduction efficiency through die casting.

On the basis of above-mentioned structure, form aluminium system shell 1 through adopting aluminium die-casting, thereby make the electric heating module possess higher heat conduction efficiency, less absorb the heat of water in the water pipe 3, and when heating the water in the water pipe 3, the shell 1 of electric heating module can effectively conduct heat to water pipe 3, when new cold water gets into the electric heating module, shell 1 and heating tube 2 can heat the water in the water pipe 3 simultaneously, promote the speed of heating, shorten heat time, therefore the user is when using gas heater, wait for out hydrothermal time just can shorten, it experiences to promote user's use.

It should be noted that the housing 1 may also be made of other materials with good heat conduction efficiency in the prior art, such as copper, etc., as long as the housing 1 of the electric heating module has good heat conduction efficiency, which can be selected and set according to the needs of actual situations.

In the case of the example 2, the following examples are given,

on the basis of the above-described embodiment 1,

further, as shown in fig. 1, 4 and 5, an end surface of the housing 1 away from the first mounting surface 15 is defined as a second mounting surface 16, and in the present embodiment, the bottom surface of the electric heating module is defined as the second mounting surface 16, and a plurality of connection holes are provided in the second mounting surface 16, and these connection holes can be used for inserting and connecting a connector.

On the basis of the structure, the electric heating module is fixedly arranged on the gas water heater through the connecting hole and the connecting piece on the second mounting surface 16. In the embodiment, the electric heating module is matched with the screw hole through a screw, so that the shell 1 is fixedly installed on the machine body of the gas water heater.

Of course, the electric heating module can also be fixedly mounted on the gas water heater body in other modes, for example, the electric heating module can be selected and set according to the requirements of actual conditions by adopting an adhesive mode or a buckling mode to be clamped on the gas water heater body.

In the case of the embodiment 3, the following examples,

on the basis of the above-described examples 1 and 2,

furthermore, as shown in fig. 5, a plurality of connecting posts 14 are disposed on the second mounting surface 16, in this embodiment, the connecting posts 14 and the second mounting surface 16 are integrally formed, and the connecting holes mentioned in the above embodiment 2 are disposed on the connecting posts 14.

In addition to the above structure, the connecting column 14 is directly provided on the second mounting surface 16 which is the bottom surface of the electric heating module, and the connecting hole is provided on the connecting column 14, so that when the electric heating module is assembled to the body of the gas water heater, a screw is driven into the body from the back surface of the body to fix the electric heating module to the body.

The connecting column 14 is directly arranged on the bottom surface of the electric heating module, so that the volume of the electric heating module can be reduced, the structure of the whole electric heating module is more compact, the space occupancy rate of the gas water heater body is reduced, and the electric heating module can be smoothly assembled into the gas water heater body.

Further, a heat insulating material is added between the second mounting surface 16 of the electric heating module and the body of the gas water heater for heat insulation.

On the basis of the structure, the thermal insulation material is arranged between the electric heating module and the machine body of the gas water heater, so that the heat of the electric heating module can be effectively prevented from being conducted to the machine body of the gas water heater, and the machine body is damaged.

It should be noted that the heat insulating material in this embodiment can be the heat insulating material in the prior art, such as asbestos, glass fiber, aerogel felt, etc.

In the case of the example 4, the following examples are given,

on the basis of the above-described examples 1 and 2,

further, as shown in fig. 4, a plurality of grooves are formed on the second mounting surface 16, and the electric heating module further includes a plurality of heat insulating mats 13, wherein the heat insulating mats 13 are respectively fitted into the grooves, and the heat insulating mats 13 are provided with the connection holes mentioned in the above embodiment 2, and in this embodiment, the connection holes penetrate through the heat insulating mats 13.

On the basis of the structure, when the electric heating module is assembled on the machine body of the gas water heater, the electric heating module can be directly and fixedly installed on the machine body through the heat insulation pad 13 from the front side of the water heater by screwing. In addition, the heat of the electric heating module can be prevented from being conducted to the machine body of the gas water heater due to the arrangement of the heat insulation pad 13, and therefore the machine body is damaged.

It should be noted that the heat insulation pad 13 in this embodiment can be made of heat insulation materials of the prior art, such as asbestos, glass fiber, aerogel felt, etc.

In the case of the embodiment 5, the following examples,

on the basis of all the above-mentioned embodiments, a gas water heater is provided.

The gas water heater comprises a machine body, wherein a heat exchanger, a water inlet pipe and a water outlet pipe are arranged on the machine body, the electric heating module in the above-mentioned embodiment is installed on the machine body, the water inlet pipe is communicated with a water inlet connector 11 of the electric heating module through the heat exchanger, and then a water outlet connector 12 of the electric heating module is communicated with the water outlet pipe.

On the basis of above-mentioned structure, when using the gas heater of this embodiment, start gas heater, water can get into from the inlet tube of organism earlier, then heats through the heat exchanger, then water flows into the electric heating module through water inlet pipe and through water supply connector 11, obtains reheating in the electric heating module normal water, then outwards flows out through water connectors 12 and outlet pipe.

Because the electric heating module is arranged between the heat exchanger and the water outlet pipe, after the gas water heater is used up for the last time, water flow still remains in the section of pipeline from the heat exchanger to the water outlet pipe, and the gas water heater is started at the moment, the temperature of the heat exchanger is not raised yet, so that cold water still circulates in the pipeline at the moment, when the water in the pipeline is discharged outwards, the water firstly passes through the electric heating module, and when the water in the pipeline reaches the electric heating module, the water is fully heated by the electric heating module, so that the hot water discharging speed can be accelerated, and the waiting time of a user is reduced; and because the electric heating module is provided with the temperature controller 4, the temperature of the outlet water can be kept stable.

Compare in zero cold water heater, the gas heater of this embodiment replaces the circulating pump through setting up electric heating module, consequently also can effectively reduce zero cold water heater's noise problem, and then promotes user's use and experiences.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (10)

1. An electric heating module, comprising:

the water inlet joint and the water outlet joint are arranged on the shell;

the heating tube is arranged in the shell and comprises a spiral section and two electric connection sections, and the two electric connection sections are respectively connected with two ends of the spiral section;

the water inlet end of the water pipe is communicated with the water inlet connector, the water outlet end of the water pipe is communicated with the water outlet connector, and the water pipe is spirally surrounded outside the heating pipe.

2. The electric heating module of claim 1, wherein said housing is provided with a first mounting face, said first mounting face being provided with two through holes, through which two of said electrical connection sections respectively project from said first mounting face.

3. An electrical heating module as set forth in claim 2 wherein one of said electrical connection sections extends from one of said through holes and the other electrical connection section extends through said spiral section and axially toward and adjacent said first mounting face to extend from the other of said through holes.

4. The electric heating module of claim 3, wherein said first mounting surface is provided with a sealing element, a cross-connecting gap is provided between an outer wall of said electrical connection section and an inner wall of said cross-connecting hole, said sealing element is sleeved on said electrical connection section, and said sealing element is used for sealing said cross-connecting gap.

5. The electric heating module of claim 2, wherein a temperature controller is disposed on the first mounting surface, and the temperature controller is electrically connected to the electrical connection section.

6. The electric heating module of claim 2, wherein an end surface of said housing remote from said first mounting surface is a second mounting surface, said second mounting surface being provided with a plurality of attachment holes for receiving attachment members therethrough.

7. An electric heating module as set forth in claim 6 wherein said second mounting surface is provided with a plurality of attachment posts integrally formed with said second mounting surface, said attachment holes being provided in said attachment posts.

8. The electric heating module of claim 6, wherein said second mounting surface is provided with a plurality of recesses, said housing further comprising a plurality of thermal insulation pads embedded in said recesses, said attachment holes being provided in said thermal insulation pads.

9. An electric heating module as set forth in claim 1 wherein said housing is an aluminum housing.

10. A gas water heater, comprising:

the water heater comprises a machine body, a water heater and a water heater, wherein the machine body is provided with a heat exchanger, a water inlet pipe and a water outlet pipe;

an electric heating module as claimed in any one of claims 1 to 9, mounted within said body, said water inlet connector communicating with said water inlet tube and said water outlet connector communicating with said water outlet tube.

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