CN210300905U - Electric heating device and dish washing machine - Google Patents
Electric heating device and dish washing machine Download PDFInfo
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- CN210300905U CN210300905U CN201920809789.3U CN201920809789U CN210300905U CN 210300905 U CN210300905 U CN 210300905U CN 201920809789 U CN201920809789 U CN 201920809789U CN 210300905 U CN210300905 U CN 210300905U
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- electric heating
- heat conducting
- heating device
- temperature controller
- conducting plate
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- 238000005485 electric heating Methods 0.000 title claims abstract description 95
- 238000004851 dishwashing Methods 0.000 title description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005406 washing Methods 0.000 abstract description 4
- 239000010935 stainless steel Substances 0.000 description 8
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 238000001514 detection method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to an electric heating device and dish washer, electric heating device include: the dish washer comprises a chassis, a heat conducting plate and an electric heating tube, wherein a heating cavity used for containing the heat conducting plate and the electric heating tube is formed in the chassis, the heat conducting plate is provided with a first heat conducting surface and a second heat conducting surface, the first heat conducting surface is used for being attached to the bottom of the chassis, the electric heating tube is arranged on the heat conducting plate and is attached to the second heat conducting surface, the internal heat conducting performance of the electric heating device is good, the heating effect on water is effectively improved, and the washing quality of the dish washer is improved.
Description
Technical Field
The utility model relates to an electric heating equipment technical field especially relates to an electric heating device and dish washer.
Background
With the development of society, people continuously pursue improvement of living quality, and dish washing machines are also more and more favored by consumers as emerging kitchen appliance products.
At present, in order to improve the washing quality, the existing dish washing machine is usually provided with an electric heating device inside for heating water, however, the traditional electric heating device has poor internal heat conduction performance, and the expected effect cannot be achieved when the water is heated, so that the washing quality of the dish washing machine is poor.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide an electric heating device and a dish washing machine, which have better internal heat conduction performance, effectively improve the heating effect on water, and thus improve the washing quality of the dish washing machine.
In order to achieve the above object, the present invention provides an electric heating device, comprising: the heat conduction plate is provided with a first heat conduction surface and a second heat conduction surface, the first heat conduction surface is used for being attached to the bottom of the chassis, and the electric heating tube is arranged on the heat conduction plate and is attached to the second heat conduction surface.
Compared with the background art, the electric heating device at least has the following beneficial effects: the first heat-conducting surface through the heat-conducting plate is laminated with the bottom on chassis, the electrothermal tube is laminated with the second heat-conducting surface of heat-conducting plate, regard as the heat-conducting medium between electrothermal tube and the chassis with the heat-conducting plate promptly, at the during operation, the electrothermal tube transmits heat to the heat-conducting plate, the bottom on chassis is transmitted with the heat to the heat-conducting plate, so that the chassis heats water, can effectively increase heat conduction area, improve above-mentioned electric heating device's heat conductivity, make the chassis thermally equivalent, thereby effectively improve the chassis to the heating effect of water, and then improve dish washer.
In one embodiment, a first heating surface is arranged on one side of the electric heating tube close to the heat conducting plate, and the first heating surface is used for being attached to the second heat conducting surface.
In one embodiment, the heat conducting plate is provided with a positioning part, and the positioning part is used for abutting against the peripheral wall of the electric heating tube.
In one embodiment, the positioning portion includes a plurality of positioning flanges uniformly distributed along the circumferential direction of the heat conducting plate, and each of the positioning flanges abuts against the circumferential wall of the electric heating tube.
In one embodiment, the heat conduction plate further comprises a first temperature controller, the first temperature controller is mounted on the heat conduction plate, a detection end of the first temperature controller is in contact with the second heat conduction surface, and the first temperature controller is electrically connected with the electric heating tube.
In one embodiment, the heat conducting plate is provided with a first connecting column and a first fastening piece, and the first connecting column is matched with the first fastening piece to fix the first temperature controller on the heat conducting plate.
In one embodiment, the heat conduction plate further comprises a second temperature controller, the second temperature controller is mounted on the heat conduction plate, a detection end of the second temperature controller is in contact with the second heat conduction surface, and the second temperature controller is electrically connected with the electric heating tube.
In one embodiment, the heat conducting plate is provided with a second connecting column and a second fastening piece, and the second connecting column is matched with the second fastening piece so as to fix the second temperature controller on the heat conducting plate.
In one embodiment, the heat-conducting plate is an aluminum heat-conducting plate or an aluminum alloy heat-conducting plate.
In order to achieve the above object, the utility model also provides a dish washing machine, dish washing machine include organism and above-mentioned electric heating device, be equipped with the storage water tank in the organism, electric heating device locates in the storage water tank.
Since the dishwasher adopts all the embodiments of the electric heating device, at least all the advantages of the embodiments are achieved, and no further description is given here.
Drawings
Fig. 1 is a schematic structural view of an electric heating device according to an embodiment of the present invention;
FIG. 2 is an exploded view of the electric heating device shown in FIG. 1;
FIG. 3 is a schematic view of an electrothermal tube in the electrothermal device shown in FIG. 1;
fig. 4 is a schematic structural view of a heat-conducting plate in the electric heating device shown in fig. 1.
10. A chassis, 11, a heating cavity, 20, a heat conducting plate, 21, a second heat conducting surface, 22, a positioning flange, 23, a first connecting column, 24, a first fastener, 25, a second connecting column, 26, a second fastener, 30, an electric heating pipe, 31, a first heating surface, 32, a second heating surface, 40, a first temperature controller, 50 and a second temperature controller,
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.
As shown in fig. 1 to 4, an electric heating apparatus includes: the heat pipe comprises a chassis 10, a heat conducting plate 20 and an electric heating tube 30, wherein a heating cavity 11 for accommodating the heat conducting plate 20 and the electric heating tube 30 is formed in the chassis 10, the heat conducting plate 20 is provided with a first heat conducting surface (not shown in the figure) and a second heat conducting surface 21, the first heat conducting surface is used for being attached to the bottom of the chassis 10, and the electric heating tube 30 is arranged on the heat conducting plate 20 and is attached to the second heat conducting surface 21.
The chassis in the traditional electric heating device needs to be contacted with water at a high temperature to heat water, therefore, the chassis generally adopts a metal material with stronger oxidation resistance, wherein, stainless steel becomes a mainstream material for manufacturing the chassis due to the characteristics of strong oxidation resistance and low price, however, the traditional electric heating device generally directly arranges the electric heating tube in the stainless steel chassis and directly contacts the electric heating tube with the stainless steel chassis to transfer heat to the stainless steel chassis, but because the heat conductivity of the stainless steel chassis is poor, most of the heat is only concentrated at the contact position of the electric heating tube and the stainless steel chassis and is difficult to be radiated outwards, so that the whole stainless steel chassis is heated unevenly, and the heating effect of water is poor. The electric heating device is attached to the bottom of the chassis 10 through the first heat conducting surface of the heat conducting plate 20, the electric heating tube 30 is attached to the second heat conducting surface 21 of the heat conducting plate 20, that is, the heat conducting plate 20 is used as a heat conducting medium between the electric heating tube 30 and the chassis 10, when the electric heating device works, the electric heating tube 30 transfers heat to the heat conducting plate 20, and the heat conducting plate 20 transfers heat to the bottom of the chassis 10, so that the chassis 10 heats water, the heat conducting area can be effectively increased, the heat conductivity of the electric heating device is improved, and the chassis 10 is uniformly heated. Compared with the traditional electric heating device, the electric heating device has better heating effect, and further effectively improves the cleaning quality of the dish washing machine.
Specifically, the area of the heat conducting plate 20 is equivalent to the area of the bottom of the chassis 10, so that the heat conducting plate 20 can cover the bottom of the chassis 10 to further increase the heat conducting area and further improve the heat conductivity of the electric heating device, thereby more effectively improving the heating effect of the chassis 10 on water.
Specifically, referring to fig. 1, the chassis 10, the heat conducting plate 20 and the electric heating tube 30 are all configured as a circular structure, and the chassis 10, the heat conducting plate 20 and the electric heating tube 30 are all coaxially disposed, so that the heat generated by the electric heating tube 30 can be uniformly transferred to the heat conducting plate 20, that is, the whole heat conducting plate 20 can be uniformly heated, and the chassis 10 can be uniformly heated, thereby more effectively improving the heating effect of the chassis 10 on water.
Specifically, the chassis 10, the heat conductive plate 20 and the electric heating tube 30 are welded by brazing in sequence.
Specifically, the chassis 10 is a stainless steel chassis 10.
In an embodiment, please refer to fig. 1 and fig. 3, a first heating surface 31 is disposed on a side of the electric heating tube 30 close to the heat conducting plate 20, and the first heating surface 31 is used for being attached to the second heat conducting surface 21 to increase a contact area between the electric heating tube 30 and the heat conducting plate 20, i.e. increase a heating area of the heat conducting plate 20, so as to effectively improve a heating efficiency of the electric heating apparatus and a heating effect of the chassis 10 on water.
Specifically, referring to fig. 3, the side of the electric heating tube 30 is further provided with a second heating surface 32, and the second heating surface 32 is used for being attached to the side wall of the chassis 10, so that the heat generated by the electric heating tube 30 is directly transferred to the chassis 10, the side of the chassis 10 is heated, and then the water is heated, thereby further improving the heating effect of the chassis 10 on the water.
In one embodiment, the heat conducting plate 20 is provided with a positioning portion for abutting against the peripheral wall of the electrothermal tube 30.
Specifically, referring to fig. 4, the positioning portion includes a plurality of positioning flanges 22 uniformly distributed along the circumferential direction of the heat conducting plate 20, and each positioning flange 22 abuts against the circumferential wall of the electric heating tube 30 to position the electric heating tube 30, so as to prevent the electric heating tube 30 from deviating from the position during the welding process with the heat conducting plate 20. Particularly, the number of the positioning flanges 22 is 3, and the positioning flanges 22 are distributed on the heat conducting plate 20 in a triangular structure, and each positioning flange 22 is abutted against the inner side wall of the electric heating tube 30, so that the positioning of the electric heating tube 30 is effectively realized, the setting process of the positioning flanges 22 can be reduced, and the production process is effectively simplified.
In an embodiment, referring to fig. 1 and 2, the electric heating device further includes a first temperature controller 40, the first temperature controller 40 is mounted on the heat conducting plate 20, a detecting end of the first temperature controller 40 contacts the second heat conducting surface 21, and the first temperature controller 40 is electrically connected to the electric heating tube 30. The first temperature controller 40 detects the temperature of the heat conducting plate 20 to calculate the real-time water temperature, and when the water temperature reaches a set value, the first temperature controller 40 is turned off to cut off the power of the electric heating tube 30, so that the electric heating device stops heating.
In an embodiment, referring to fig. 1, fig. 2 and fig. 4, the heat conducting plate 20 is provided with a first connecting column 23 and a first fastening member 24, and the first connecting column 23 is matched with the first fastening member 24 to fix the first thermostat 40 on the heat conducting plate 20. The first temperature controller 40 can be effectively fixed by the cooperation of the first fastener 24 and the first connecting post 23, and meanwhile, the first temperature controller 40 is also conveniently disassembled and assembled. Further, please continue to refer to fig. 4, two first connection posts 23 are provided, and correspondingly, two first fastening members 24 are provided to further fix the first temperature controller 40, so as to prevent the first temperature controller 40 from loosening and causing inaccurate temperature detection.
In an embodiment, referring to fig. 1 and 2, the electric heating device further includes a second temperature controller 50, the second temperature controller 50 is mounted on the heat conducting plate 20, a detecting end of the second temperature controller 50 contacts the second heat conducting surface 21, and the second temperature controller 50 is electrically connected to the electric heating tube 30. The second temperature controller 50 detects the temperature of the heat conducting plate 20, when dry burning occurs, the temperature of the heat conducting plate 20 exceeds the preset value of the second temperature controller 50, and the second temperature controller 50 is disconnected, so that the electric heating tube 30 is powered off, and the electric heating device stops heating.
The arrangement of the first temperature controller 40 and the second temperature controller 50 can realize double protection of the electric heating device, wherein the first temperature controller 40 is a low-temperature controller and mainly used for controlling the water temperature, when the water temperature reaches a set value, the first temperature controller 40 cuts off the circuit to prevent the electric heating device from continuously heating to cause the internal dry burning; the second temperature controller 50 is a high temperature controller and mainly used for dry burning protection, when the first temperature controller 40 fails, the electric heating device continuously heats to cause the inside to be dry, at the moment, the temperature of the heat conducting plate 20 exceeds the preset value of the second temperature controller 50, the second temperature controller 50 acts to cut off the circuit, and the electric heating tube 30 is prevented from continuously heating in a no-load state to cause fire accidents. Therefore, the arrangement of the first temperature controller 40 and the second temperature controller 50 can effectively improve the use safety performance of the electric heating device.
In an embodiment, please refer to fig. 1, fig. 2 and fig. 4, the heat conducting plate 20 is provided with a second connecting column 25, and the second connecting column 25 is matched with the second fastening member 26 to fix the second temperature controller 50 on the heat conducting plate 20. The second temperature controller 50 can be effectively fixed by the cooperation of the second fastener 26 and the second connecting pole 25, and meanwhile, the second temperature controller 50 is also conveniently disassembled and assembled. Further, please continue to refer to fig. 4, two second connecting posts 25 are provided, and correspondingly, two second fastening members 26 are provided to further fix the second temperature controller 50, so as to prevent the second temperature controller 50 from loosening and causing inaccurate temperature detection.
Preferably, the heat conducting plate 20 is an aluminum heat conducting plate or an aluminum alloy heat conducting plate.
A dish washing machine comprises a machine body and the electric heating device, wherein a water storage tank is arranged inside the machine body, and the electric heating device is arranged in the water storage tank.
Since the dishwasher adopts all the embodiments of the electric heating device, at least all the advantages of the embodiments are achieved, and no further description is given here.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An electric heating device, characterized in that said electric heating device comprises: the heat conduction plate is provided with a first heat conduction surface and a second heat conduction surface, the first heat conduction surface is used for being attached to the bottom of the chassis, and the electric heating tube is arranged on the heat conduction plate and is attached to the second heat conduction surface.
2. The electric heating device of claim 1, wherein a first heating surface is disposed on a side of the electric heating tube adjacent to the heat conducting plate, and the first heating surface is adapted to be attached to the second heat conducting surface.
3. The electric heating device of claim 1, wherein the heat conducting plate is provided with a positioning portion for abutting against a peripheral wall of the electric heating tube.
4. The electric heating device of claim 3, wherein the positioning portion comprises a plurality of positioning flanges uniformly distributed along the circumferential direction of the heat conducting plate, and each positioning flange is abutted against the circumferential wall of the electric heating tube.
5. The electric heating device of claim 1, further comprising a first temperature controller, wherein the first temperature controller is mounted on the heat conducting plate, a detecting end of the first temperature controller contacts with the second heat conducting surface, and the first temperature controller is electrically connected to the electric heating tube.
6. The electric heating device of claim 5, wherein the heat conducting plate is provided with a first connecting post and a first fastening member, and the first connecting post is engaged with the first fastening member to fix the first temperature controller on the heat conducting plate.
7. The electric heating device of claim 5, further comprising a second temperature controller, wherein the second temperature controller is mounted on the heat conducting plate, a detecting end of the second temperature controller contacts with the second heat conducting surface, and the second temperature controller is electrically connected to the electric heating tube.
8. The electric heating device of claim 7, wherein the heat conducting plate is provided with a second connecting column and a second fastening member, and the second connecting column is matched with the second fastening member to fix the second temperature controller on the heat conducting plate.
9. An electric heating device as claimed in any one of claims 1 to 8, wherein said thermally conductive plate is an aluminium or aluminium alloy thermally conductive plate.
10. A dishwasher, characterized in that the dishwasher comprises a body and an electric heating device according to any one of claims 1 to 9, wherein a water storage tank is arranged in the body, and the electric heating device is arranged in the water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809789.3U CN210300905U (en) | 2019-05-31 | 2019-05-31 | Electric heating device and dish washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920809789.3U CN210300905U (en) | 2019-05-31 | 2019-05-31 | Electric heating device and dish washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210300905U true CN210300905U (en) | 2020-04-14 |
Family
ID=70141330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920809789.3U Active CN210300905U (en) | 2019-05-31 | 2019-05-31 | Electric heating device and dish washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210300905U (en) |
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2019
- 2019-05-31 CN CN201920809789.3U patent/CN210300905U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric heating device and dishwasher Effective date of registration: 20231016 Granted publication date: 20200414 Pledgee: Agricultural Bank of China Limited Shunde Beijiao sub branch Pledgor: GUANGDONG HEADWAY ELECTRIC HEAT COMPONENTS CO.,LTD. Registration number: Y2023980061328 |