CN211656417U

CN211656417U - Heating assembly

Info

Publication number: CN211656417U
Application number: CN202020186485.9U
Authority: CN
Inventors: 胡如国; 范海军
Original assignee: Wuhu Aldoc Technology Co ltd
Current assignee: Wuhu Aldoc Technology Co ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-10-09
Anticipated expiration: 2030-02-19

Abstract

The utility model discloses a heating element, including shell body and heating pipe assembly, heating pipe assembly sets up in the shell body, heating pipe assembly includes a plurality of electrothermal tubes, the shell body includes protecgulum and hou gai, the protecgulum has first extension, the back lid has the second extension, first extension and second extension extend from the shell body along the vertical direction of electrothermal tube, heating element still includes the water pump, first extension have with water pump matched with first cooperation portion, the second extension have with water pump matched with second cooperation portion, at least some centre gripping of water pump is between first cooperation portion and second cooperation portion. The water pump is integrated with the heating assembly, the integration level of the heating assembly can be improved, the heating assembly is compact, the connecting process of the water pump and the heating pipe assembly can be simplified, and the assembling efficiency is improved.

Description

Heating assembly

Technical Field

The utility model relates to a liquid heating technical field especially relates to a heating element.

Background

Along with the improvement of science and technology, the electrical equipment that involves in the life of house tends to miniaturize gradually, in a heating element for heating liquid, in order to make inner structure compacter, heating element includes casing and heating pipe subassembly, and the water pump is external, and the heating pipe subassembly then communicates through silica gel hose and water pump's export. Although the heating assembly is compact, the water pump is mounted outside the heating assembly, and for the heater with the heating assembly, not only is the mounting structure and space of the water pump additionally arranged in the heater shell required, but also the water pump and the heating assembly are two parts, so that the connection between the heating pipe assembly and the water pump is difficult, and the assembly efficiency of the outlet end is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an it has miniaturized heating element of water pump to integrate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the heating assembly comprises an outer shell and a heating pipe assembly, wherein the heating pipe assembly is arranged in the outer shell and is fixed with the outer shell, the heating pipe assembly comprises a plurality of electric heating pipes, the outer shell comprises a front cover and a rear cover, the front cover is provided with a first extending portion, the rear cover is provided with a second extending portion matched with the first extending portion, the first extending portion and the second extending portion are arranged along the vertical direction of the electric heating pipes and extend from the outer shell, the heating assembly further comprises a water pump, the first extending portion is provided with a first matching portion matched with the water pump, the second extending portion is provided with a second matching portion matched with the water pump, and at least one part of the water pump is clamped between the first matching portion and the second matching portion.

First cooperation portion has 1/4-1/2 ring structure, second cooperation portion has 1/2-3/4 ring structure, first extension with fixed the setting between the second extension, just form the centre gripping space of water pump after first extension and the second extension are fixed, first cooperation portion with water pump interference fit, second cooperation portion with water pump interference fit.

The heating assembly further comprises a fixing sheet, the fixing sheet is coated on the water pump and then fixed with the first extending portion and the second extending portion, the fixing sheet is in interference fit with the water pump, the first matching portion is in interference fit with the water pump, and the second matching portion is in interference fit with the water pump.

The heating assembly further comprises a pipeline connecting assembly, the pipeline connecting assembly comprises a switching piece and a silica gel sleeve, the silica gel sleeve comprises two sleeves which are integrally formed, the two sleeves of the silica gel sleeve are respectively sleeved at the inlet end and the outlet end of the water pump, the switching piece is provided with two jacks, a water outlet head and a water inlet head, the two sleeves of the silica gel sleeve are respectively inserted into the jacks and are in interference fit with the jacks, the water outlet head is communicated with the outlet end of the water pump, and the water inlet head is communicated with the inlet end of the water pump.

The utility model discloses a liquid heating device, including front cover, back lid, heating pipe subassembly, nanometer membrane electrothermal tube, support frame, heating pipe subassembly, nanometer membrane electrothermal tube, third hose, the support frame is provided with to the orientation of front cover one side of back lid, the heating pipe subassembly includes a plurality of third hoses, the electrothermal tube is a plurality of nanometer membrane electrothermal tubes, nanometer membrane electrothermal tube is fixed in side by side the support frame, and adjacent nanometer membrane electrothermal tube passes through the third hose intercommunication makes a plurality of nanometer membrane electrothermal tube establish ties together in order to.

The heating pipe assembly is also provided with a water inlet three-way pipe and a water outlet three-way pipe, the first end of the water inlet three-way pipe is communicated with one end of the liquid heating flow path, a temperature sensor is arranged in the second end of the water inlet three-way pipe, the third end of the water inlet three-way pipe is communicated with the water outlet head through a second hose, the first end of the water outlet three-way pipe is communicated with the other end of the liquid heating flow path, and the second end of the water outlet three-way pipe is provided with a temperature sensor.

The protecgulum is including fixed last casing, middle casing, the casing down together, middle casing is arranged in go up between casing, the casing down, wherein, middle casing is metal material, middle casing include the board plane and at least some protrusion in the certain high bellying of board plane has fluid passage in the bellying, fluid passage with go out the hydrohead or it communicates to intake the hydrohead.

The fluid passage extends from one end of the middle shell to the other end, a second water channel corresponding to the fluid passage is integrally formed on the upper shell, a first water channel corresponding to the fluid passage is integrally formed on the lower shell, one end of the fluid passage is communicated with the first water channel, the other end of the fluid passage is communicated with the second water channel, the second water channel is communicated with the water inlet head through a first hose, and the water outlet head (25) is communicated with the liquid heating flow path through a second hose (3).

The fluid channel is connected with the first water channel and the second water channel through the silica gel sleeve.

Go up casing and lower casing and be the plastics material, subassembly mounting hole, lid connecting hole have been seted up to upper and lower casing week side, the back lid open be equipped with the corresponding subassembly mounting hole of protecgulum, the back lid still be equipped with the corresponding screw hole of lid connecting hole, pass through the fix with screw between protecgulum, the back lid.

The water pump is integrated with the heating assembly, the water pump is fixed with the outer shell, at least one part of the water pump is clamped between the first matching part of the first extending part and the second matching part of the second matching part, and the first extending part and the second extending part extend along the vertical direction of the electric heating pipe, so that the integration level of the heating assembly can be improved, the heating assembly is compact, the connecting process of the water pump and the heating pipe assembly can be simplified, and the assembling efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a heating assembly according to the present invention;

FIG. 2 is a schematic perspective view of the heating assembly shown in FIG. 1 with the rear cover removed;

FIG. 3 is a left side view of the structure of FIG. 1;

FIG. 4 is a schematic view of a water pump of the utility model of the heating assembly shown in FIG. 1;

FIG. 5 is a schematic view of a silica gel cover of the heating assembly of FIG. 1;

figure 6 is a schematic view of an adapter of the heating assembly of figure 1;

FIG. 7 is a schematic view of a rear cover of the heating assembly of FIG. 1;

figure 8 is a schematic view of the upper housing of the heating assembly of figure 1;

figure 9 is a schematic view of the lower housing of the heating assembly of figure 1;

fig. 10 is a schematic view of a middle housing of the heating assembly of fig. 1.

In the figure: the water inlet three-way joint comprises an adapter 1, a first hose 2, a second hose 3, a PCB 4, a water inlet three-way joint 5, a water inlet temperature sensor 6, an upper shell 7, a water outlet three-way joint 8, a water outlet temperature sensor 9, an assembly mounting hole 10, a cover body connecting hole 11, a middle shell 12, a temperature controller 13, a fluid channel 14, a lower shell 15, a first water channel 16, a first extending part 17, a second extending part 18, a water pump 19, a liquid heating pipe assembly 20, a third hose 21, a rear cover 22, a silica gel sleeve 23, a jack 24, a water outlet head 25, a water inlet head 26, a sensor mounting seat 27, a buckle 28 and a second water channel 29.

Detailed Description

The technical solution of the embodiments of the present invention will be described below with reference to the drawings of the present invention.

Referring to fig. 1-2 and 4-6, the heating assembly includes an outer housing and a heating tube assembly 20, the heating tube assembly 20 being disposed within the outer housing and secured to the outer housing.

The shell body includes protecgulum and hou gai 22, and protecgulum and hou gai 22 can be fixed through modes such as screw or buckle, and the protecgulum is provided with the support frame towards one side of hou gai 22, and heating pipe assembly 20 is fixed mutually with the support frame. In this embodiment, the heating tube assembly 20 includes a plurality of nano-film electrical heating tubes and a plurality of third hoses 21, the nano-film electrical heating tubes are fixed to the supporting frame side by side, and adjacent nano-film electrical heating tubes are connected through the third hoses 21, so that the nano-film electrical heating tubes are connected in series to form a liquid heating flow path. The spiral spring can be inserted into the nano-film electric heating pipe, the nano-film heating technology is adopted, energy is saved, heating efficiency is high, the spiral turbulent flow spring not only improves heating speed, but also can prevent the third hose 21 from being bent to cause water channel blockage.

The front cover has a first extension part 17, and the rear cover 22 has a second extension part 18 matching with the first extension part 17, wherein the first extension part 17 and the second extension part 18 extend from the outer shell along the vertical direction of the nano-film electrothermal tube.

The heating assembly further comprises a water pump 19, the first extending portion 17 is provided with a first matching portion matched with the water pump 19, the second extending portion 18 is provided with a second matching portion matched with the water pump 19, the water pump 19 is clamped and fixed between the first matching portion and the second matching portion, the first extending portion 17 and the second extending portion 18 can be fixed in a screw mode or the like, the first matching portion is in interference fit with the water pump, and the second matching portion is in interference fit with the water pump. In this embodiment, the first extension portion 17 has a quarter circular structure near the water pump, the second extension portion 18 has a three-quarter circular structure near the water pump, the first extension portion and the second extension portion are combined to form a clamping space of the water pump, or the first extension portion 17 and the second extension portion 18 are both in a semicircular structure or other combination manner, such that the first extension portion and the second extension portion can be fixed only by arranging a fixing structure at one side, and the fixing manner is simple; of course, the water pump can also be fixed with the first extending part and the second extending part after being coated by the fixing piece, and the fixing piece is in interference fit with the water pump.

The water pump is fixed by adopting the structure, so that the assembly difficulty is reduced, and the assembly efficiency can be improved.

The heating pipe component 20 is also provided with a water inlet three-way pipe 5 and a water outlet three-way pipe 8, the first end of the water inlet three-way pipe 5 is communicated with one end of the liquid heating flow path, a temperature sensor can be arranged in the second end of the water inlet three-way pipe 5, the third end of the water inlet three-way pipe 5 can be communicated with the outlet end of the water pump 19, the first end of the water outlet three-way pipe 8 is communicated with the other end of the liquid heating flow path, and the second end of the water outlet three-way pipe 8 can be provided with a temperature.

In this embodiment, the water pump 19 is communicated with the heating pipe assembly 20 through the pipeline connection assembly, the pipeline connection assembly includes an adaptor 1 and a silica gel sleeve 23, the silica gel sleeve 23 is an integrally formed double-sleeve structure, two sleeves of the silica gel sleeve 23 can be respectively sleeved at an inlet end and an outlet end of the water pump 19, two insertion holes 24, a water outlet head 25 and a water inlet head 26 are arranged in the adaptor 1, the two insertion holes 24 are respectively communicated with the water outlet head 25 and the water inlet head 26, the two sleeves of the silica gel sleeve 23 are inserted into the insertion holes 24 and the sleeves of the silica gel sleeve 23 are in interference fit with the insertion holes 24, the adapter 1 and the silica gel sleeve 23 are sealed and fixed, so that the silica gel sleeve 23 can communicate the water outlet head 25 with the outlet end of the water pump 19 and the water inlet head 26 with the inlet end of the water pump 19, and the water outlet head 25 and the third end of the water inlet three-way pipe 5 can be communicated through a pipe component of the second hose 3.

In the embodiment, the water outlet head and the water inlet head of the adapter piece can be adjusted to different directions according to requirements, so that the heating assembly is more compact; the water pump can form an subassembly with pipeline coupling assembling after the equipment and be connected with heating pipe assembly again, can be earlier with water pump and heating pipe assembly respectively with the shell body installation fixed back through the second hose connection, this kind of connected mode is simple and convenient, lays the basis for semi-automatization assembly, can reduce the assembly degree of difficulty, improves assembly efficiency.

In this embodiment, the shell body is still fixed with PCB board 4, and the PCB board is fixed in the surface side of protecgulum, and the PCB board can be fixed through modes such as screw, buckle, and the nanometer membrane electrothermal tube has the electrode, and the electrode can be connected with PCB board 4 electricity through the wire. In this embodiment, the support frame is fixed to the electrode, and a portion of the support frame may be made of a conductive material or a portion of the conductive wire is located between the support frame and the electrode and the conductive wire is in contact with the electrode through the support frame.

In this embodiment, the second port of the water inlet three-way pipe 5 is inserted with the water inlet temperature sensor 6 electrically connected with the PCB 4 in a sealing manner, the second port of the water outlet three-way pipe 8 is inserted with the water outlet temperature sensor 9 electrically connected with the PCB 4 in a sealing manner, and the temperature sensor can be directly contacted with flowing water in the three-way pipe, so that the temperature of inlet and outlet water can be accurately detected.

The front cover or the rear cover is provided with a plurality of sensor mounting seats 27 for fixedly mounting the sensors, the sensor mounting seats 27 are arranged on the peripheral sides of the second ports of the water inlet tee joint 5 and the water outlet tee joint 8, the mounting seats are arranged, the sensors can be fixed, and the interference of the temperature sensors on the assembly of the heating device can be avoided.

In this embodiment, the front cover includes an upper housing 7, a middle housing 12, and a lower housing 15 fixed together, the middle housing 12 is disposed between the upper housing 7 and the lower housing 15, the upper housing 7, the middle housing 12, and the lower housing 15 may be fixed by a buckle, a screw, etc., wherein the middle housing 12 may be made of a metal material, the middle housing 12 includes a plate plane, and a protrusion portion at least partially protruding from the plate plane by a certain height, a fluid channel 14 is provided in the protrusion portion, the fluid channel 14 extends from one end of the middle housing 12 to the other end, a temperature controller 13 is fixedly mounted on the plate plane, and the PCB 4 is also in contact with the plate plane, and the temperature controller 13 is electrically connected to the PCB. In this embodiment, the thermostat 13 and the PCB 4 are respectively located at both sides of the protruding portion. The middle shell 12 is made of metal material, which is beneficial to heat dissipation of the temperature controller and the PCB, and the bulge part with the fluid channel 14 protrudes out of the plane of the PCB for a certain distance, so that the thickness of the middle shell can be reduced, and the material is saved.

The upper shell 7 is integrally formed with a second water channel 29 corresponding to the fluid channel 14, the lower shell 15 is integrally formed with a first water channel 16 corresponding to the fluid channel 14, one end of the fluid channel 14 is communicated with the first water channel 16, the other end of the fluid channel is communicated with the second water channel 29, and in order to improve the sealing performance of the mutual connection, the fluid channel, the first water channel and the second water channel can be connected through a silicone sleeve.

In this embodiment, the upper housing 7 and the lower housing 15 may be made of a plastic material, the middle housing may be made of a metal material, on the one hand, the cost may be saved, on the other hand, the structure of the upper housing and the lower housing is relatively complicated with respect to the middle housing, if the middle housing is also made of a metal material, the processing is relatively complicated, and the plastic material may be made by injection molding, for example, the structure such as a screw hole for fixing the heating assembly may be provided in the upper housing and the lower housing, and the processing is relatively simple.

The second water channel 29 can be communicated with the water inlet head 26 through the first hose 2, and cold water can enter the water pump from the water inlet of the water pump after passing through the first water channel 16, the fluid channel 14, the second water channel 29, the first hose 2 and the pipeline connecting assembly, then flow to the heating pipe assembly 20 from the water outlet of the water pump, and is discharged after being heated by the heating pipe assembly 20. Because cold water can be through middle casing 12, cold water can play the effect of cooling to middle casing 12, the heat that middle casing 12 absorptive heating pipe assembly 20 gave out can be taken away to cold water promptly, the heat that temperature controller 13 gived off, and the heat that PCB board 4 gived off, not only play the function that heat recovery utilized, make the heat that gives off also can collect and be used for heating cold water, thereby improve heating efficiency, and can cool down whole device, improve the temperature controller, electronic components's life-span on the PCB board, can also prevent local high temperature such as similar to electric kettle and scald the consumer.

Moreover, the structure can arrange the water inlet of the heating assembly in the lower shell, so that the water inlet is lower than the water inlet head 26, and the structure of the heating assembly is compact when the heating assembly is used.

Of course, in another embodiment, the second waterway channel 29 can be communicated with the third end of the inlet tee 5 through the first hose 2, and the second hose 3 is communicated with the outlet head 25 and the first waterway channel 16. Unlike the above-described embodiment, in this embodiment, the water inlet is located at the water inlet head 26 of the conduit connection assembly. Of course, the first hose 2 may be in communication with the first waterway passage, and the second hose 3 may be in communication with the second waterway passage 16.

In this embodiment, in order to fix the first hose 2, the upper casing 7 and the lower casing 15 are both provided with a buckle 28 for fixing the first hose 2. In order to facilitate the fixing of the PCB board, and also for the simple processing, the PCB board 4 is fixed to the upper case 7 and the lower case 15.

The periphery sides of the upper shell and the lower shell of the front cover are provided with component mounting holes 10 and cover body connecting holes 11, the rear cover 22 is provided with the component mounting holes 10 corresponding to the front cover, the rear cover 22 is also provided with threaded holes corresponding to the cover body connecting holes 11, the front cover and the rear cover 22 are fixed together through screws, and the device can be mounted on finished equipment (such as a water heater and the like) through the component mounting holes 10.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model thereof, the technical solution, concept and design obtained by equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The heating assembly is characterized in that the heating pipe assembly comprises a front cover and a rear cover, the front cover is provided with a first extending portion, the rear cover is provided with a second extending portion matched with the first extending portion, the first extending portion and the second extending portion are arranged along the vertical direction of the electric heating pipe and extend from the outer shell, the heating assembly further comprises a water pump, the first extending portion is provided with a first matching portion matched with the water pump, the second extending portion is provided with a second matching portion matched with the water pump, and at least one part of the water pump is clamped between the first matching portion and the second matching portion.

2. The heating assembly of claim 1, wherein the first engaging portion has an annular ring structure of 1/4-1/2, the second engaging portion has an annular ring structure of 1/2-3/4, the first extending portion and the second extending portion are fixedly disposed therebetween, and form a clamping space of the water pump after being fixed, the first engaging portion is in interference fit with the water pump, and the second engaging portion is in interference fit with the water pump.

3. The heating assembly of claim 1, further comprising a fixing plate, wherein the fixing plate is fixed to the first extending portion and the second extending portion after covering the water pump, the fixing plate is in interference fit with the water pump, the first fitting portion is in interference fit with the water pump, and the second fitting portion is in interference fit with the water pump.

4. The heating assembly according to any one of claims 1 to 3, further comprising a pipeline connecting assembly, wherein the pipeline connecting assembly comprises an adapter (1) and a silica gel sleeve (23), the silica gel sleeve (23) comprises two sleeves which are integrally formed, the two sleeves of the silica gel sleeve (23) are respectively sleeved at the inlet end and the outlet end of the water pump (19), the adapter (1) is provided with two jacks (24), a water outlet head (25) and a water inlet head (26), the two sleeves of the silica gel sleeve (23) are respectively inserted into the jacks (24) and are in interference fit with the jacks, the water outlet head (25) is communicated with the outlet end of the water pump (19), and the water inlet head (26) is communicated with the inlet end of the water pump (19).

5. The heating assembly as claimed in claim 4, wherein a supporting frame is disposed on a side of the front cover facing the rear cover, the heating tube assembly includes a plurality of third hoses, the electric heating tubes are a plurality of nano-film electric heating tubes, the nano-film electric heating tubes are fixed to the supporting frame side by side, adjacent nano-film electric heating tubes are communicated through the third hoses, so that the nano-film electric heating tubes are connected in series to form a liquid heating flow path, and a coil spring may be inserted into the nano-film electric heating tubes.

6. The heating assembly of claim 5, wherein the heating tube assembly further comprises a water inlet three-way pipe and a water outlet three-way pipe, a first end of the water inlet three-way pipe is communicated with one end of the liquid heating flow path, a temperature sensor is arranged in a second end of the water inlet three-way pipe, a third end of the water inlet three-way pipe is communicated with the water outlet head through a second hose, a first end of the water outlet three-way pipe is communicated with the other end of the liquid heating flow path, and a second end of the water outlet three-way pipe is provided with a temperature sensor.

7. The heating assembly of claim 5, wherein the front cover comprises an upper shell, a middle shell and a lower shell fixed together, the middle shell is disposed between the upper shell and the lower shell, wherein the middle shell is made of metal material, the middle shell comprises a plate plane and a protrusion with a certain height at least partially protruding from the plate plane, and a fluid passage is arranged in the protrusion and is communicated with the water outlet head or the water inlet head.

8. A heating element according to claim 7, wherein said fluid passage extends from one end of said intermediate housing to the other, said upper housing integrally forming a second water passage corresponding to said fluid passage, said lower housing integrally forming a first water passage corresponding to said fluid passage, said fluid passage communicating at one end with said first water passage and at the other end with said second water passage, said second water passage communicating with said inlet head through a first hose, said outlet head (25) communicating with the liquid heating flow path through a second hose (3).

9. The heating assembly of claim 8, wherein the fluid channel is connected to the first waterway channel and the second waterway channel by a silicone sleeve.

10. The heating assembly of claim 8, wherein the upper housing and the lower housing are made of plastic, the upper housing and the lower housing have assembly mounting holes and cover connecting holes formed on the periphery thereof, the rear cover has assembly mounting holes corresponding to the front cover, the rear cover further has threaded holes corresponding to the cover connecting holes, and the front cover and the rear cover are fixed together by screws.