CN210408337U - Electric heating device and dish washing machine - Google Patents
Electric heating device and dish washing machine Download PDFInfo
- Publication number
- CN210408337U CN210408337U CN201920951606.1U CN201920951606U CN210408337U CN 210408337 U CN210408337 U CN 210408337U CN 201920951606 U CN201920951606 U CN 201920951606U CN 210408337 U CN210408337 U CN 210408337U
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- electric heating
- temperature controller
- tube
- heating tube
- heating device
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- 238000005485 electric heating Methods 0.000 title claims abstract description 151
- 238000004851 dishwashing Methods 0.000 title description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 103
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000009434 installation 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
- 230000003631 expected effect Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Control Of Resistance Heating (AREA)
Abstract
The utility model relates to an electric heating device and dish washer, electric heating device include: heating plate, first electrothermal tube and second electrothermal tube, form the chamber that generates heat in the heating plate, first electrothermal tube with the second electrothermal tube is established in order to encircle the intracavity that generates heat, first electrothermal tube is equipped with first heating face, the second electrothermal tube is equipped with second heating face, first heating face with second heating face all with the bottom in chamber that generates heat is laminated mutually, and above-mentioned electric heating device's heating efficiency is higher, effectively improves the heating effect to water to improve dishwasher's cleaning quality.
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 low heating efficiency, and the expected effect can not 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 high heating efficiency, 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 heating device comprises a heating plate, a first electric heating tube and a second electric heating tube, wherein a heating cavity is formed in the heating plate, the first electric heating tube and the second electric heating tube are sequentially arranged in the heating cavity in a surrounding mode, the first electric heating tube is provided with a first heating surface, the second electric heating tube is provided with a second heating surface, and the first heating surface and the second heating surface are attached to the bottom of the heating cavity.
Compared with the background art, the electric heating device at least has the following beneficial effects: through first electrothermal tube and the simultaneous working of second electrothermal tube, make the heating plate be heated more evenly, thereby improve above-mentioned electric heating device's heating efficiency, in addition, generate heat the face through first heating face and second and laminate with the bottom in chamber that generates heat respectively, with the area of contact that increases first electrothermal tube and second electrothermal tube respectively with the heating plate, the area of being heated of heating plate has been increased promptly, thereby improve above-mentioned electric heating device's heating efficiency more effectively, it is visible, above-mentioned electric heating device has higher heating efficiency, can effectively improve the heating effect to water, thereby improve the cleaning quality of dish washer.
In one embodiment, the temperature controller further comprises a first temperature controller and a heat conducting seat, the heat conducting seat is used for being in contact with the first electric heating pipe, the detection end of the first temperature controller is in contact with the heat conducting seat, and the first electric heating pipe, the second electric heating pipe and the first temperature controller are arranged in series.
In one embodiment, the temperature controller further comprises a second temperature controller, a detection end of the second temperature controller is in contact with the second electric heating pipe, and the first electric heating pipe, the second electric heating pipe, the first temperature controller and the second temperature controller are arranged in series.
In one embodiment, the electric heating device further comprises a cover plate, and the cover plate is arranged on the heating plate in a covering mode so as to cover the first electric heating tube and the second electric heating tube.
In one embodiment, the circumference of the cover plate is provided with a flange which is used for connecting with the circumference of the heating plate.
In one embodiment, the temperature control device further comprises a mounting seat, the mounting seat is mounted on the cover plate, the mounting seat is provided with a first accommodating cavity and a second accommodating cavity, the first accommodating cavity is used for accommodating the first temperature controller, and the second accommodating cavity is used for accommodating the second temperature controller.
In one embodiment, the cover plate is provided with a clamping hole, and the mounting seat is provided with a clamping part matched with the clamping hole.
In one embodiment, the mounting seat is provided with an electrical socket communicated with a mains supply, and the electrical socket is used for supplying power to a series circuit formed by electrically connecting the first electric heating pipe, the second electric heating pipe, the first temperature controller and the second temperature controller.
In one embodiment, the cross section of the first electrothermal tube is in a trapezoidal structure; and/or the section of the second electric heating tube is in a trapezoidal structure.
In order to achieve the above object, the present invention also provides a dishwasher, comprising: the water pump and above-mentioned electric heater unit, electric heater unit locates on the water pump, the heating plate is used for with water heating in the water pump.
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 assembly structure of the mounting seat and the cover plate in the electric heating apparatus shown in fig. 1.
10. The heating plate comprises a heating plate body, 11, a heating cavity, 12, a mounting hole, 20, a first electric heating pipe, 21, a first heating surface, 22, a first joint, 23, a second joint, 30, a second electric heating pipe, 31, a second heating surface, 32, a third joint, 33, a fourth joint, 40, a first temperature controller, 41, a first connecting terminal, 50, a heat conducting seat, 60, a second temperature controller, 61, a third connecting terminal, 62, a fourth connecting terminal, 70, a cover plate, 71, a flanging, 72, a clamping hole, 73, a through hole, 80, a mounting seat, 81, a first accommodating cavity, 82, a second accommodating cavity, 83, a clamping part, 84, an electric socket, 841, a fifth connecting terminal 842, a sixth connecting terminal, 85 and a pressing sheet.
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", "second", "third", "fourth", "fifth" and "sixth" do not denote any particular quantity or order, but are merely used to distinguish names.
As shown in fig. 1 and 2, an electric heating apparatus includes: the heating device comprises a heating plate 10, a first electric heating tube 20 and a second electric heating tube 30, wherein a heating cavity 11 is formed in the heating plate 10, the first electric heating tube 20 and the second electric heating tube 30 are sequentially arranged in the heating cavity 11 in a surrounding mode, the first electric heating tube 20 is provided with a first heating surface 21, the second electric heating tube 30 is provided with a second heating surface 31, and the first heating surface 21 and the second heating surface 31 are attached to the bottom of the heating cavity 11.
The traditional electric heating device is usually provided with only one electric heating tube, and the electric heating tube adopts a cylindrical structure, so that the heating efficiency of the electric heating device is low, and in order to improve the heating efficiency, the working power of the electric heating tube can be only improved, but the surface load of the electric heating tube can be greatly improved, and the phenomenon of tube melting or slag tube can be generated in severe cases. The electric heating device is operated simultaneously through the first electric heating tube 20 and the second electric heating tube 30, so that the heating plate 10 is heated more uniformly, and the heating efficiency of the electric heating device is improved, in addition, the first heating surface 21 and the second heating surface 31 are respectively attached to the bottom of the heating cavity 11, so that the contact areas of the first electric heating tube 20 and the second electric heating tube 30 with the heating plate 10 are increased, namely, the heating area of the heating plate 10 is increased, and the heating efficiency of the electric heating device is improved more effectively. Therefore, compared with the traditional electric heating device, the electric heating device has higher heating efficiency, and can effectively improve the heating effect on water, thereby improving the cleaning quality of the dish washing machine.
Specifically, referring to fig. 1, the heating plate 10, the first electric heating tube 20 and the second electric heating tube 30 are all arranged in an annular structure, and the heating plate 10, the first electric heating tube 20 and the second electric heating tube 30 are all coaxially arranged, so that heat generated by the first electric heating tube 20 and the second electric heating tube 30 can be uniformly transferred to the heating plate 10, the heating plate 10 can be uniformly heated, and the heating efficiency of the electric heating device can be more effectively improved.
Specifically, referring to fig. 1 and 2, a mounting hole 12 for mounting a water pipe is formed in the middle of the heating plate 10. The first electrothermal tube 20 is disposed around the periphery of the mounting hole 12, and the second electrothermal tube 30 is disposed around the periphery of the first electrothermal tube 20.
Specifically, the first electrothermal tube 20 and the second electrothermal tube 30 are welded to the heating plate 10 by soldering.
It should be noted that "sequentially surrounding" means that after the first electric heating tube 20 is disposed in the heating cavity 11, the second electric heating tube 30 is disposed around the outer periphery of the first electric heating tube 20, that is, the first electric heating tube 20 is located at a side close to the axial center of the heating plate 10, and the second electric heating tube 30 is located at a side close to the peripheral wall of the heating plate 10.
In one embodiment, please refer to fig. 1 and 2, the electric heating apparatus further includes a first temperature controller 40 and a heat conducting base 50, the heat conducting base 50 is used for contacting with the first electric heating tube 20, the first temperature controller 40 is mounted on the heat conducting base 50, a detecting end of the first temperature controller 40 contacts with the heat conducting base 50, and the first electric heating tube 20, the second electric heating tube 30 and the first temperature controller 40 are connected in series. The heat generated by the first electric heating tube 20 or the second electric heating tube 30 is transmitted to the heat conducting base 50, the first temperature controller 40 calculates the real-time water temperature by detecting the temperature of the heat conducting base 50, when the water temperature reaches a set value, the first temperature controller 40 is turned off to cut off the power of the first electric heating tube 20 and the second electric heating tube 30, so that the electric heating device stops heating.
Specifically, referring to fig. 1 and fig. 2, two ends of the first electrical heating tube 20 are respectively provided with a first connector 22 and a second connector 23, two ends of the second electrical heating tube 30 are respectively provided with a third connector 32 and a fourth connector 33, the first temperature controller 40 is provided with a first connection terminal 41 and a second connection terminal (not shown in the figure), the first connector 22 is electrically connected to the first connection terminal 41, the second connector 23 is electrically connected to the fourth connector 33, and the third connector 32 is electrically connected to the second connection terminal to form a series circuit.
Specifically, one end of the heat conducting seat 50 is welded to the periphery of the heating plate 10 by soldering, and the other end is welded to the first electric heating tube 20 or the second electric heating tube 30 by soldering.
In one embodiment, please refer to fig. 1 and 2, the electric heating apparatus further includes a second temperature controller 60, a detection end of the second temperature controller 60 is contacted with the second electric heating tube 30, and the first electric heating tube 20, the second electric heating tube 30, the first temperature controller 40 and the second temperature controller 60 are connected in series. The second temperature controller 60 detects the heating temperature of the first electric heating tube 20 or the second electric heating tube 30, when dry burning occurs, the heating temperature of the first electric heating tube 20 or the second electric heating tube 30 exceeds the preset value of the second temperature controller 60, and the second temperature controller 60 is turned off, so that the first electric heating tube 20 and the second electric heating tube 30 are powered off, and the electric heating device stops heating.
Specifically, referring to fig. 1 and fig. 2, the second temperature controller 60 is provided with a third connection terminal 61 and a fourth connection terminal 62, and the first connector 22 is electrically connected to the first connection terminal 41, the second connector 23 is electrically connected to the fourth connector 33, the second connection terminal is electrically connected to the third connection terminal 61, and the third connector 32 is electrically connected to the fourth connection terminal 62 to form a series circuit.
The arrangement of the first temperature controller 40 and the second temperature controller 60 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 60 is a high temperature controller and mainly used for dry-out protection, when the first temperature controller 40 fails, the electric heating device continuously heats to dry the inside, at this time, the heating temperature of the first electric heating tube 20 or the second electric heating tube 30 exceeds the preset value of the second temperature controller 60, the second temperature controller 60 acts to cut off the circuit, and the first electric heating tube 20 and the second electric heating tube 30 are 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 60 can effectively improve the use safety performance of the electric heating device.
In one embodiment, as shown in fig. 1 and fig. 2, the electric heating device further includes a cover plate 70, and the cover plate 70 is covered on the heating plate 10 to cover the first electric heating tube 20 and the second electric heating tube 30. The cover plate 70 covers the first electric heating tube 20 and the second electric heating tube 30 at the same time, so as to effectively prevent the heat generated by the operation of the first electric heating tube 20 and the second electric heating tube 30 from dissipating, and further improve the heating efficiency of the electric heating device.
Specifically, with continued reference to fig. 1 and 2, the peripheral edge of the cover plate 70 is provided with a flange 71, and the flange 71 is used to connect with the peripheral edge of the heating plate 10. Specifically, the burring 71 is welded to the periphery of the heating pan 10 by brazing.
Specifically, with continued reference to fig. 2, the cover plate 70 is provided at a central portion thereof with a through hole 73 for the water supply pipe to pass through.
In an embodiment, please refer to fig. 1 to fig. 3, the electric heating apparatus further includes a mounting base 80, the mounting base 80 is mounted on the cover plate 70, the mounting base 80 is provided with a first accommodating cavity 81 and a second accommodating cavity 82, the first accommodating cavity 81 is used for accommodating the first thermostat 40, and the second accommodating cavity 82 is used for accommodating the second thermostat 60. After one end of the heat conducting seat 50 is connected with one of the first electric heating tube 20 and the second electric heating tube 30, the first temperature controller 40 is installed on the heat conducting seat 50, then the second temperature controller 60 is installed on the other one of the first electric heating tube 20 and the second electric heating tube 30, then the first accommodating cavity 81 and the second accommodating cavity 82 of the installation seat 80 are respectively sleeved on the first temperature controller 40 and the second temperature controller 60, and finally the heat conducting seat 50 is installed and connected with the cover plate 70, so that the stability of the first temperature controller 40 and the second temperature controller 60 can be effectively improved, and the risk that the first temperature controller 40 and the second temperature controller 60 are loosened and fall off in the carrying process is reduced.
Specifically, please refer to fig. 1, the cover plate 70 is provided with a plurality of locking holes 72, and the mounting seat 80 is provided with a plurality of locking portions 83 engaged with the locking holes 72, so as to mount and connect the mounting seat 80 and the cover plate 70, specifically, the locking holes 72 are provided in plurality, and correspondingly, the locking portions 83 are also provided in plurality, so as to effectively improve the mounting stability of the mounting seat 80. The number of the locking holes 72 and the locking portions 83 is two, but the invention is not limited thereto, and a plurality thereof may be provided as required.
Further, as shown in fig. 2, a pressing plate 85 is sleeved on the fastening portion 83, and after the fastening portion 83 is fastened with the fastening hole 72, the pressing plate 85 is tightly pressed between the mounting seat 80 and the cover plate 70, so as to improve the connection tightness between the mounting seat 80 and the cover plate 70.
In one embodiment, please refer to fig. 1 to 3, the mounting base 80 is provided with an electrical socket 84 connected to the commercial power, and the electrical socket is used for supplying power to the series circuit formed by electrically connecting the first electrothermal tube 20, the second electrothermal tube 30, the first thermostat 40 and the second thermostat 60. Specifically, the electrical socket 84 is provided with a fifth connection terminal 841 and a sixth connection terminal 842, the first connector 22 is electrically connected to the first connection terminal 41, the second connector 23 is electrically connected to the fourth connector 33, the second connection terminal is electrically connected to the fifth connection terminal 841, the third connection terminal 61 is electrically connected to the sixth connection terminal 842, and the fourth connection terminal 62 is electrically connected to the third connector 32, after the plug is inserted into the electrical socket 84, the first electric heating tube 20, the second electric heating tube 30, the first temperature controller 40 and the second temperature controller 60 are all connected to the commercial power.
In one embodiment, the cross section of the first electrothermal tube 20 is a trapezoid structure; and/or the section of the second electrothermal tube 30 is in a trapezoidal structure. Wherein the bottom surface of the first electric heating tube 20 is the first heating surface 21, and the bottom surface of the second electric heating tube 30 is the second heating surface 31.
A dishwasher, comprising: the water pump and above-mentioned electric heater unit, electric heater unit locate on the water pump, and heating plate 10 is used for heating the water in the water pump.
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.
Specifically, a water pipe of the water pump is installed in the installation hole 12 of the heating pan 10 and passes through the through hole 73 of the cover plate 70.
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 heating device comprises a heating plate, a first electric heating tube and a second electric heating tube, wherein a heating cavity is formed in the heating plate, the first electric heating tube and the second electric heating tube are sequentially arranged in the heating cavity in a surrounding mode, the first electric heating tube is provided with a first heating surface, the second electric heating tube is provided with a second heating surface, and the first heating surface and the second heating surface are attached to the bottom of the heating cavity.
2. The electric heating device of claim 1, further comprising a first temperature controller and a heat conducting base, wherein the heat conducting base is configured to contact the first electric heating tube, a detecting end of the first temperature controller contacts the heat conducting base, and the first electric heating tube, the second electric heating tube and the first temperature controller are connected in series.
3. The electric heating device of claim 2, further comprising a second temperature controller, wherein a detection end of the second temperature controller is in contact with the second electric heating pipe, and the first electric heating pipe, the second electric heating pipe, the first temperature controller and the second temperature controller are connected in series.
4. The electric heating device of claim 3, further comprising a cover plate covering said heating plate to cover said first electric heating tube and said second electric heating tube.
5. The electric heating device as claimed in claim 4, wherein the cover plate is provided with a flange at its periphery, and the flange is used for connecting with the periphery of the heating plate.
6. The electric heating device of claim 4, further comprising a mounting base, wherein the mounting base is mounted on the cover plate, the mounting base is provided with a first accommodating cavity and a second accommodating cavity, the first accommodating cavity is used for accommodating the first temperature controller, and the second accommodating cavity is used for accommodating the second temperature controller.
7. The electric heating device as claimed in claim 6, wherein the cover plate is provided with a locking hole, and the mounting seat is provided with a locking part matched with the locking hole.
8. The electric heating device of claim 6, wherein the mounting base is provided with an electric socket connected with a mains supply, and the electric socket is used for supplying power to a series circuit formed by electrically connecting the first electric heating tube, the second electric heating tube, the first temperature controller and the second temperature controller.
9. An electric heating device as claimed in any one of claims 1-8, wherein the first electric heating tube has a trapezoidal cross-section; and/or the section of the second electric heating tube is in a trapezoidal structure.
10. A dishwasher, the dishwasher comprising: a water pump and an electric heating device according to any one of claims 1-9, said electric heating device being provided on said water pump, said heating plate being adapted to heat water in said water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951606.1U CN210408337U (en) | 2019-06-21 | 2019-06-21 | Electric heating device and dish washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920951606.1U CN210408337U (en) | 2019-06-21 | 2019-06-21 | Electric heating device and dish washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210408337U true CN210408337U (en) | 2020-04-28 |
Family
ID=70376677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920951606.1U Active CN210408337U (en) | 2019-06-21 | 2019-06-21 | Electric heating device and dish washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210408337U (en) |
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2019
- 2019-06-21 CN CN201920951606.1U patent/CN210408337U/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: 20200428 Pledgee: Agricultural Bank of China Limited Shunde Beijiao sub branch Pledgor: GUANGDONG HEADWAY ELECTRIC HEAT COMPONENTS CO.,LTD. Registration number: Y2023980061328 |