CN212486816U - Heating body - Google Patents
Heating body Download PDFInfo
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- CN212486816U CN212486816U CN202022055155.9U CN202022055155U CN212486816U CN 212486816 U CN212486816 U CN 212486816U CN 202022055155 U CN202022055155 U CN 202022055155U CN 212486816 U CN212486816 U CN 212486816U
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Abstract
The utility model discloses a heating element, which comprises a heating element blank body and a heating coating used for heating; the heating coating is coated on the outer surface of the heating body blank; the heating body blank body is provided with a water inlet and a water outlet; the heating element blank is internally provided with a plurality of partition plates, each partition plate is provided with a flow passage through hole which is communicated with each other, the partition plates divide the heating element blank into a plurality of intervals, and water can be quickly and fully heated after entering the heating element blank. The utility model discloses a heat-generating body is integrated into one piece, simple structure, and is small to be provided with the division board, and the division board sets up the runner through-hole, because the division board can increase the area of water and heat-generating body, so can realize the rapid heating and with heat transfer feedwater, so have higher heat exchange efficiency, can realize heating water or with water direct heating steam.
Description
Technical Field
The utility model belongs to the technical field of domestic appliance's heat-generating body and specifically relates to a heat-generating body.
Background
In the field of the existing household appliances, a plurality of household appliances need to use a heating body or a heating pot; for example: 1. the coffee machine is a household appliance which needs to be applied to a heating pot; 2. the water dispenser is also a household appliance which needs to be applied to a heating body; 3. instantaneous water heaters and the like; a heating body or a heating pot is needed. However, the heating pot of the existing heating element partner has a complex structure and is of a split structure, and the heating mode generally adopts a heating coil to be matched with the pot body for use, so that the heating water can be heated.
Therefore, improvements to the prior art are yet to be made.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat-generating body, it is complicated to aim at the heat-generating body structure who uses in solving current domestic appliance field, and is bulky, mostly is split type structure, needs other accessories to constitute the use, heats the technical problem that the structure is complicated.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: a heating body comprises a heating body blank and a heating coating for heating; the heating coating is coated on the outer surface of the heating body blank; the heating body blank 1 is provided with a water inlet and a water outlet; the heating element blank is internally provided with a plurality of partition plates, each partition plate is provided with a flow passage through hole which is communicated with each other, the partition plates divide the heating element blank into a plurality of intervals, and water can be quickly and fully heated after entering the heating element blank.
The heating element, wherein, the division board includes first division board and second division board, the oblique angle between the runner through-hole of first division board and the runner through-hole of second division board is connected the straight-line distance for the maximum distance of oblique angle connecting wire between first division board and the second division board.
The heating element, wherein, first division board and the crisscross interval setting of second division board are in the heating element blank.
The heating element, wherein, the surface of first division board and second division board is provided with the boss.
The heating element is characterized in that the flowing direction of water passing through the heating element blank body is wavy.
The heating body, wherein, the heating coating is graphite alkene or thick film.
The heating element is characterized in that the heating element blank is integrally injection-molded.
A manufacturing process of a heating body comprises the following steps:
s1, splitting the heat exchange metal piece of the heating body into a plurality of sub-parts according to a drawing of the heat exchange metal piece of the heating body, and respectively drawing the drawing of each sub-part;
s2, respectively manufacturing corresponding dies according to drawings of the sub-components;
step S3, uniformly mixing metal powder and a binder, and then preparing into feed particles; wherein the weight ratio of the metal powder is 80-95%, the weight ratio of the binder is 5-15%, the mixing time is 40-60 min, the mixing temperature is 300-350 ℃, and the temperature during granulation is 180-200 ℃;
step S4, injecting the feeding particles into each mould by an injection moulding machine to form corresponding sub-component blanks;
step S5, connecting the sub-component blanks through combination, thereby forming a heat-generating body heat exchange blank;
step S6, placing the part blank into a sintering furnace for degreasing sintering, removing the adhesive, and obtaining a heating body metal blank after sintering;
s7, processing the heating element blank at the temperature of 200-300 ℃ for 20-40min after surface machining and sand blasting;
step S8, an insulating layer of ceramic medium or glass medium is evenly coated on the surface of the heating element blank in a printing or spraying mode, and then a conductive electrode of the heating element is manufactured on the surface of the insulating layer in a copper electrode bonding or silver paste printing mode;
step S9, coating thick film or graphene mixed heating material on the surface of the heating body blank by brushing, spraying and printing, and then heating to obtain an integrated heating body;
and step S10, coating an insulating layer on the surface of the integrated heating element by brushing, spraying or printing, and finally heating to obtain the heating element.
In the step S6, the temperature of the sintering furnace is 1300-1400 ℃, the vacuum degree is 0.03-0.05Pa, and the sintering time is 2-3 h.
The manufacturing process of the heating element comprises the step of sintering the insulating layer in S8 at the temperature of 850 ℃ for 20-40min at 300-.
The manufacturing process of the heating element comprises the step of heating the thick film or graphene mixed heating material in the step S9 at the temperature of 200-800 ℃ for 20-60 min for molding.
Has the advantages that: the heating body of the utility model is integrated, has simple structure and small volume, does not need other accessories to be combined for use, can realize the instant heating of water, and can also instantly heat water into steam; in addition, the finished product of the heating body does not generate cracks and deformation, has good insulation and voltage resistance, uniform heating, high heat exchange efficiency, good quality of the produced product, no need of subsequent assembly, high overall qualification rate and mass production.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic cross-sectional view of a second embodiment of the present invention.
Fig. 4 is a third cross-sectional view of the present invention.
Fig. 5 is a flow chart of the manufacturing process of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples.
As shown in fig. 1-3, the utility model discloses a heating element, which comprises a heating element blank body 1 and a heating coating 2 for heating; the heating coating 2 is coated on the outer surface of the heating body blank 1; the heating body blank 1 is provided with a water inlet 3 and a water outlet 4; the heating element blank body 1 is internally provided with a plurality of partition plates 5, each partition plate 5 is provided with a flow passage through hole 6 which is communicated with each other, the partition plates divide the heating element blank body 1 into a plurality of sections, and water can be rapidly and fully heated after entering the heating element blank body.
Preferably, the cross section of the heat-generating body blank 1 is circular or elliptical.
The utility model discloses be provided with the division board in the heat-generating body, and the division board sets up the runner through-hole, so water can follow a plurality of partition spaces that the water inlet formed through the division board, then enters into next partition space from the runner through-hole, flows from the delivery port at last. Because the area of division board can increase water and heat-generating body, so can realize rapid heating and with heat transfer feedwater, because the partition space has a plurality ofly, and the cross-section of heat-generating body is circular or oval so generate heat evenly, has higher heat exchange efficiency, can realize heating water or directly heating water into steam. In addition, in actual production, an insulating layer is required to be coated on the surface of the heating body blank, the conductive electrode is adhered or printed, then a heating coating is coated, and finally a layer of insulating layer is coated, wherein the heating coating is connected with the conductive electrode.
The heat generating body, wherein the partition plate 5 comprises a first partition plate 50 and a second partition plate 51, and the straight distance of the oblique angle connection between the flow passage through hole 6 of the first partition plate 50 and the flow passage through hole 6 of the second partition plate 51 is the maximum distance of the oblique angle connection line between the first partition plate 50 and the second partition plate 51.
Because the straight line distance of the bevel connection is the largest, the flowing distance of water passing through the heating element is prolonged, so that the heating element blank body can be fully contacted, the heat conversion efficiency of the heating element blank body is improved, when the water is required to be directly heated to form vapor, the water can enter the water inlet and the vapor can exit the water outlet by controlling the flow speed or flow of the water, and the heat conversion efficiency is high; meanwhile, when the heating layer is not needed to be heated, after the heating layer is powered on, the temperature of the heating body can be taken away rapidly by water, and the functions of instant heating and instant cooling are realized. Need not to generate heat with traditional a kind of deep pot the same, need certain time, just can obtain cold water, so the utility model discloses use in the middle of the water dispenser, just need not match a storage water tank, separately become a hot water export and a cold water export, open the switch and just can obtain hot water immediately, then close the switch and just can obtain cold water, need not to design a plurality of delivery ports.
The heating element, wherein the first partition plate 50 and the second partition plate 51 are alternately arranged in the heating element blank 1, so that water can flow around the heating element, and the heat exchange efficiency is increased.
The heating element, wherein, the first division board 50 and the second division board 51 are provided with the boss on the surface, so who can be abundant with the division board contact, increase the heating area, the increasing thermal efficiency.
The flow direction of water passing through the heating element blank 1 is wavy.
The heating element, wherein, heating coating 2 is graphite alkene or thick film, so can realize the quick heating element body base.
The heating element is characterized in that the heating element blank body 1 is formed by adopting an integral injection molding technology and is a heat exchange metal piece.
As shown in fig. 5, a manufacturing process of a heat-generating body includes the steps of:
s1, splitting the heat exchange metal piece of the heating body into a plurality of sub-parts according to a drawing of the heat exchange metal piece of the heating body, and respectively drawing the drawing of each sub-part;
s2, respectively manufacturing corresponding dies according to drawings of the sub-components;
step S3, uniformly mixing metal powder and a binder, and then preparing into feed particles; wherein the weight ratio of the metal powder is 80-95%, the weight ratio of the binder is 5-15%, the mixing time is 40-60 min, the mixing temperature is 300-350 ℃, and the temperature during granulation is 180-200 ℃;
step S4, injecting the feeding particles into each mould by an injection moulding machine to form corresponding sub-component blanks;
step S5, connecting the sub-component blanks through welding to form a heat exchange blank of the heating body;
step S6, placing the part blank into a sintering furnace for degreasing sintering, removing the adhesive, and obtaining a heating body metal blank after sintering;
s7, processing the heating element blank at the temperature of 200-300 ℃ for 20-40min after surface machining and sand blasting;
step S8, an insulating layer of ceramic medium or glass medium is evenly coated on the surface of the heating element blank in a printing or spraying mode, and then a conductive electrode of the heating element is manufactured on the surface of the insulating layer in a copper electrode bonding or silver paste printing mode;
step S9, coating a thick film or graphene mixed heating material on the surface of the heating body blank through brushing, spraying and printing, and finally heating to obtain the integrated heating body;
and S10, coating an insulating layer on the surface of the integrated heating body by brushing, spraying or printing, and finally heating to obtain the heating body.
The utility model discloses a metal powder and binder adopt such weight to account for the allotment, so make the material granule of allotment out can better adhere, most suitable at such temperature and mixing time, so through the injection machine with feed granule injection to each mould in, form the subcomponent blank that corresponds, can better shaping, then each subcomponent blank in the later stage of also being convenient for more couples together through welded connection, furthermore, in the sintering, take off the bonding agent, and burn off the material of the runner through-hole of division board, carry out the insulating layer coating after that, processing conductive electrode, coating thick film or graphite alkene mix the heating material, carry out surface joint reason at last and handle.
In the step S6, the temperature of the sintering furnace is 1300-1400 ℃, the vacuum degree is 0.03-0.05Pa, and the sintering time is 2-3 h.
The manufacturing process of the heating element comprises the step of sintering the insulating layer in S8 at the temperature of 850 ℃ for 20-40min at 300-.
The manufacturing process of the heating element comprises the step of heating the thick film or graphene mixed heating material in the step S9 at the temperature of 200-800 ℃ for 20-60 min for molding.
The utility model discloses send out through fall into a plurality of subcomponents with stromatolite formula heat-generating body, processing into the subcomponent blank through injection moulding with every subcomponent, couple together each subcomponent blank through welded connection, thereby constitute stromatolite formula heat-generating body blank, carry out the insulating layer on the blank surface, the stromatolite formula heat-generating body finished product that electrode and the technology on layer of generating heat made and obtain can not produce crackle and deformation, insulating pressure resistance can be good, it is even to generate heat, the heat exchange efficiency is high, the product quality of production is good, do not need subsequent assembly overall qualification rate high, can mass production.
The heating body of the utility model is integrated, has simple structure and small volume, does not need other accessories to be combined for use, can realize the instant heating of water, and can also instantly heat water into steam; in addition, the finished product of the heating body does not generate cracks and deformation, has good insulation and voltage resistance, uniform heating, high heat exchange efficiency, good quality of the produced product, no need of subsequent assembly, high overall qualification rate and mass production.
The above is a preferred embodiment of the present invention, and certainly not to limit the scope of the present invention, it should be noted that, for those skilled in the art, modifications or equivalent substitutions of the technical solutions of the present invention without creative efforts may not depart from the protection scope of the technical solutions of the present invention.
Claims (7)
1. A heating body is characterized by comprising a heating body blank and a heating coating used for heating; the heating coating is coated on the outer surface of the heating body blank; the heating body blank body is provided with a water inlet and a water outlet; the heating element blank is internally provided with a plurality of partition plates, each partition plate is provided with a flow passage through hole which is communicated with each other, the partition plates divide the heating element blank into a plurality of intervals, and water can be quickly and fully heated after entering the heating element blank.
2. A heat-generating body as described in claim 1, wherein the partition plate comprises a first partition plate and a second partition plate, and an oblique angle connecting straight line distance between the flow passage through hole of the first partition plate and the flow passage through hole of the second partition plate is a maximum distance of an oblique angle connecting line between the first partition plate and the second partition plate.
3. A heat-generating body as described in claim 2, wherein said first partition plate and said second partition plate are provided alternately in a heat-generating body blank.
4. A heat-generating body as described in claim 2, wherein bosses are provided on the surfaces of the first and second separators.
5. A heat-generating body as described in claim 4, characterized in that the direction of flow of water passing through the heat-generating body blank is wavy.
6. A heat-generating body as described in claim 1, wherein the heating coat layer is graphene or a thick film.
7. A heat-generating body as described in claim 1, characterized in that the heat-generating body blank is integrally injection-molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022055155.9U CN212486816U (en) | 2020-09-18 | 2020-09-18 | Heating body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022055155.9U CN212486816U (en) | 2020-09-18 | 2020-09-18 | Heating body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212486816U true CN212486816U (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022055155.9U Active CN212486816U (en) | 2020-09-18 | 2020-09-18 | Heating body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212486816U (en) |
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2020
- 2020-09-18 CN CN202022055155.9U patent/CN212486816U/en active Active
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