Heating device and pump with same
By designing the first heating wire and the second heating wire in the same housing in the dishwasher heat pump, the problem of thermal corrosion in the existing heating pump is solved, and the durability and performance of the heating device are improved.
Patent Information
- Application Number
- CN202421034836.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-03-29
- Filing Date
- 2024-05-13
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-13
AI Technical Summary
In the existing dishwasher heating pump, the gap between the first heating pipe and the second heating pipe causes heat accumulation, causing thermal corrosion problems.
A heating device is designed, wherein the heating pipe includes a housing, a first heating wire and a second heating wire, the first heating wire and the second heating wire are located in the same housing, reducing the generation of thermal corrosion, and using this heating in the pump Device to reduce thermal corrosion.
By locating the first heating wire and the second heating wire in the same case, the generation of thermal corrosion is effectively reduced, and the durability and performance of the heating device are improved.
Smart Images
Figure CN222352533U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of household appliances, in particular to a heating device and a pump having the same. Background Art
[0002] As people's living standards improve, more and more families choose to use dishwashers to replace the tedious chores of washing dishes manually. Among the various components of dishwashers, the heating device is the core component, and its performance and energy efficiency level have always been the key improvement indicators of various dishwasher manufacturers.
[0003] An existing dishwasher includes a heating pump, which includes a heating device, a housing assembly and a power assembly. The housing assembly includes a pump housing, and the heating device is located outside the pump housing.
[0004] refer to Figure 4 The heating device includes a metal plate, a first heating tube 11' and a second heating tube 12', the metal plate includes an annular groove, part of the first heating tube 11' is accommodated in the groove, part of the second heating tube 12' is located in the groove, the first heating tube 11' and the second heating tube 12' are stacked, and there is a gap between the outer shell of the first heating tube 11' and the outer shell of the second heating tube 12'. After the heating device is powered on, part of the heat generated by the first heating tube 11' and the second heating tube 12' accumulates in the gap between the first heating tube 11' and the second heating tube 12', and the outer shell of the first heating part and the outer shell of the second heating part The opposite part forms thermal corrosion. Utility Model Content
[0005] In order to solve the above problems, the following technical solution is provided: a heating device, comprising a heating tube and a heating plate, the heating plate having a groove portion, the groove portion having a groove, part of the heating tube being accommodated in the groove, the heating tube comprising a shell, a first heating wire and a second heating wire, the first heating wire being located in the shell, and the second heating wire being located in the shell.
[0006] In such a heating device, the heating tube includes a shell, a first heating wire and a second heating wire. The first heating wire is located in the shell, and the second heating wire is located in the shell. The first heating wire and the second heating wire are located in the same shell, thereby reducing the occurrence of thermal corrosion.
[0007] The present invention also provides a pump, comprising the above-mentioned heating device, the pump also comprising a motor assembly and a pump housing, the motor assembly having a fixing portion, the fixing portion being limit connected to one end of the pump housing, and the heating plate being limit connected to the other end of the pump housing.
[0008] The pump includes the above-mentioned heating device, the heating device includes a heating tube, the heating tube includes a shell, a first heating wire and a second heating wire, the first heating wire is located in the shell, the second heating wire is located in the shell, and the first heating wire and the second heating wire are located in the same shell to reduce the occurrence of thermal corrosion. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a three-dimensional diagram of the heating device in the utility model;
[0010] Figure 2 It is a three-dimensional diagram of the heating tube in the utility model;
[0011] Figure 3 It is a partial structural schematic diagram of the heating tube in the utility model;
[0012] Figure 4 It is a structural schematic diagram of the background technology in the utility model.
[0013] Reference numerals:
[0014] Heating tube 1, shell 11, first end 111, second end 112, first main body 113, first heating wire 12, first terminal 121, third terminal 122, second heating wire 13, second terminal 131, fourth terminal 132, first lead rod 14, second lead rod 15, third lead rod 16, fourth lead rod 17, first insulating member 18, first body 181, first protrusion 182, second insulating member 19, second body 191, second protrusion 192,
[0015] Heating plate 2, groove portion 21, flange 22,
[0016] First safety element 3 , second safety element 4 , first terminal 5 , second terminal 6 , thermal bridge 7 , screw 8 . DETAILED DESCRIPTION
[0017] The technical solution of the specific implementation method is described below in conjunction with the accompanying drawings.
[0018] It should be noted that: although this specification has described the utility model in detail with reference to the above-mentioned implementation modes, ordinary technicians in the field should understand that technicians in the relevant technical field can still modify, combine or replace the utility model with equivalents, and all technical solutions and improvements thereof that do not depart from the spirit and scope of the utility model should be included in the scope of the claims of the utility model.
[0019] refer to Figure 1-Figure 3A heating device includes a heating tube 1 and a heating plate 2. The heating plate 2 has a groove portion 21. The groove portion 21 has a groove. Part of the heating tube 1 is accommodated in the groove. The heating tube 1 includes a shell 11, a first heating wire 12 and a second heating wire 13. The first heating wire 12 is located in the shell 11, and the second heating wire 13 is located in the shell 11.
[0020] In such a heating device, the heating tube 1 includes a shell 11, a first heating wire 12 and a second heating wire 13. The first heating wire 12 is located in the shell 11, and the second heating wire 13 is located in the shell 11. The first heating wire 12 and the second heating wire 13 are located in the same shell 11, which reduces the occurrence of thermal corrosion.
[0021] refer to Figure 3 The first heating wire 12 has a first terminal 121, the heating tube 1 includes a first lead rod 14, the first terminal 121 is sleeved on the first lead rod 14, the first heating wire 12 has a third terminal 122, the heating tube 1 includes a third lead rod 16, the third terminal 122 is sleeved on the third lead rod 16, a part of the first lead rod 14 is located in the shell 11, and a part of the third lead rod 16 is located in the shell 11.
[0022] refer to Figure 3 The second heating wire 13 has a second terminal 131, the heating tube 1 includes a second lead rod 15, the second terminal 131 is sleeved on the second lead rod 15, and a portion of the second lead rod 15 is located in the shell 11. The second heating wire 13 has a fourth terminal 132, the heating tube 1 includes a fourth lead rod 17, the fourth terminal 132 is sleeved on the fourth lead rod 17, a portion of the fourth lead rod 17 is located in the shell 11, and a portion of the second lead rod 15 is located in the shell 11.
[0023] refer to Figure 1 and Figure 3 In the height direction of the heating device, the first heating wire 12 and the second heating wire 13 have a preset distance, and the shapes of the first heating wire 12 and the second heating wire 13 are roughly the same. The first heating wire 12 and the second heating wire 13 are roughly overlapped in the height direction of the heating device (the heating plate 2 has a flange 22, the flange 22 is a circular ring, and the height direction is the axial direction of the flange 22), which reduces the radial dimension of the heating tube 1 and makes the pump miniaturized.
[0024] refer to Figure 2 The shell 11 has a first end portion 111 and a first main body portion 113. The first end portion 111 is bent relative to the first main body portion 113. The first end portion 111 is located at one end of the first main body portion 113. The first end portion 111 has a first accommodating cavity. At least a portion of the first terminal 121 is located in the first accommodating cavity. At least a portion of the second terminal 131 is located in the first accommodating cavity.
[0025] refer to Figure 2 The shell 11 has a second end portion 112, the second end portion 112 is bent relative to the first main body portion 113, the second end portion 112 is located at one end of the first main body portion 113, the second end portion 112 has a second accommodating cavity, at least a portion of the third terminal 122 is located in the second accommodating cavity, and at least a portion of the fourth terminal 132 is located in the second accommodating cavity.
[0026] refer to Figure 3 The heating tube 1 includes a first insulating member 18, a portion of the first insulating member 18 is located in the first accommodating cavity, the first lead rod 14 passes through the first insulating member 18, and the second lead rod 15 passes through the first insulating member 18, thereby reducing the number of parts and simplifying the assembly process.
[0027] refer to Figure 3 The first insulating member 18 includes a first body 181 and a first protrusion 182, the first protrusion 182 protrudes from the upper surface of the first body 181, the first body 181 is roughly rectangular, the first protrusion 182 is roughly rectangular, a portion of the first lead rod 14 is located on the side of the first body 181 away from the first protrusion 182, a portion of the first lead rod 14 is located on the side of the first protrusion 182 away from the first body 181, a portion of the second lead rod 15 is located on the side of the first body 181 away from the first protrusion 182, and a portion of the second lead rod 15 is located on the side of the first protrusion 182 away from the first body 181.
[0028] refer to Figure 2 The shell 11 has a first bending portion, which abuts against the upper surface of the first body 181, such as a shrink tube, and the side of the first body 181 away from the first protrusion 182 is filled with magnesium powder, thereby limiting the first insulating member 18.
[0029] refer to Figure 3 The heating tube 1 includes a second insulating member 19, a portion of the second insulating member 19 is located in the second accommodating cavity, the third lead rod 16 passes through the second insulating member 19, and the fourth lead rod 17 passes through the second insulating member 19, thereby reducing the number of parts and simplifying the assembly process.
[0030] refer to Figure 3 The second insulating member 19 includes a second body 191 and a second protrusion 192, the second protrusion 192 protrudes from the upper surface of the second body 191, a portion of the third lead rod 16 is located on the side of the second body 191 away from the second protrusion 192, a portion of the third lead rod 16 is located on the side of the second protrusion 192 away from the second body 191, a portion of the fourth lead rod 17 is located on the side of the second body 191 away from the second protrusion 192, and a portion of the fourth lead rod 17 is located on the side of the second protrusion 192 away from the second body 191.
[0031] refer to Figure 3 The shell 11 has a second bending portion, which abuts against the upper surface of the second body 191, such as a shrink tube, and the side of the first body 181 away from the first protrusion 182 is filled with magnesium powder, thereby limiting the second insulating member 19.
[0032] refer to Figure 1 The heating device includes a thermal bridge 7, a screw 8, a first safety element 3 (such as a safety device) and a second safety element 4 (such as a temperature control device). The thermal bridge 7 is welded to the heating plate 2, the first safety element 3 is fixed to the thermal bridge 7 by the screw 8, and the second safety element 4 is fixed to the thermal bridge 7 by the screw 8.
[0033] refer to Figure 1 The heating device includes a first terminal 5 and a second terminal 6, one end of the first terminal 5 is connected to the first safety element 3, the other end of the first terminal 5 is connected to the first lead rod 14, the other end of the first terminal 5 is connected to the second lead rod 15, the first lead rod 14 is roughly parallel to the second lead rod 15, one end of the second terminal 6 is connected to the second safety element 4, the other end of the second terminal 6 is connected to the third lead rod 16, the other end of the second terminal 6 is connected to the fourth lead rod 17, and the third lead rod 16 is roughly parallel to the fourth lead rod 17.
[0034] The utility model also provides a pump, comprising the above-mentioned heating device, the heating device comprising a heating tube 1, the heating tube 1 comprising a shell 11, a first heating wire 12 and a second heating wire 13, the first heating wire 12 is located in the shell 11, the second heating wire 13 is located in the shell 11, the first heating wire 12 and the second heating wire 13 are located in the same shell 11, reducing the occurrence of thermal corrosion.
[0035] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A heating device, comprising a heating tube (1) and a heating plate (2), wherein the heating plate (2) has a groove portion (21), the groove portion (21) has a groove, and a portion of the heating tube (1) is accommodated in the groove, characterized in that: The heating tube (1) comprises a shell (11), a first heating wire (12) and a second heating wire (13); the first heating wire (12) is located inside the shell (11), and the second heating wire (13) is located inside the shell (11).
2. The heating device according to claim 1, characterized in that The first heating wire (12) has a first terminal (121), the second heating wire (13) has a second terminal (131), the shell (11) has a first end (111), the first end (111) has a first accommodating cavity, at least a portion of the first terminal (121) is located in the first accommodating cavity, and at least a portion of the second terminal (131) is located in the first accommodating cavity.
3. The heating device according to claim 2, characterized in that: The heating tube (1) comprises a first lead rod (14) and a second lead rod (15); the first terminal (121) is sleeved on the first lead rod (14); a portion of the first lead rod (14) is located inside the shell (11); the second terminal (131) is sleeved on the second lead rod (15); a portion of the second lead rod (15) is located inside the shell (11).
4. The heating device according to claim 3, characterized in that: The heating tube (1) comprises a first insulating member (18), wherein a portion of the first insulating member (18) is located in the first accommodating cavity, the first guide rod (14) passes through the first insulating member (18), and the second guide rod (15) passes through the first insulating member (18).
5. The heating device according to claim 4, characterized in that: The first insulating member (18) includes a first body (181) and a first protrusion (182), wherein the first protrusion (182) protrudes from the upper surface of the first body (181), a portion of the first lead rod (14) is located on the side of the first body (181) away from the first protrusion (182), a portion of the first lead rod (14) is located on the side of the first protrusion (182) away from the first body (181), a portion of the second lead rod (15) is located on the side of the first body (181) away from the first protrusion (182), a portion of the second lead rod (15) is located on the side of the first protrusion (182) away from the first body (181), and the shell (11) has a first bending portion, and the first bending portion abuts against the upper surface of the first body (181).
6. The heating device according to any one of claims 2 to 5, characterized in that: In the height direction of the heating device, the first heating wire (12) and the second heating wire (13) have a preset distance.
7. The heating device according to any one of claims 3 to 5, characterized in that: The first heating wire (12) has a third terminal (122), the second heating wire (13) has a fourth terminal (132), the shell (11) has a second end (112), the second end (112) has a second accommodating cavity, at least part of the third terminal (122) is located in the second accommodating cavity, and at least part of the fourth terminal (132) is located in the second accommodating cavity.
8. The heating device according to claim 7, characterized in that: The heating tube (1) comprises a third lead rod (16) and a fourth lead rod (17); the third terminal (122) is sleeved on the third lead rod (16); a portion of the third lead rod (16) is located in the housing (11); the fourth terminal (132) is sleeved on the fourth lead rod (17); a portion of the fourth lead rod (17) is located in the housing (11); The heating tube (1) comprises a second insulating member (19), a portion of the second insulating member (19) is located in the second accommodating cavity, the third guide rod (16) passes through the second insulating member (19), and the fourth guide rod (17) passes through the second insulating member (19); The second insulating member (19) comprises a second body (191) and a second protrusion (192), wherein the second protrusion (192) protrudes from the upper surface of the second body (191), a portion of the third lead rod (16) is located on the side of the second body (191) away from the second protrusion (192), a portion of the third lead rod (16) is located on the side of the second protrusion (192) away from the second body (191), a portion of the fourth lead rod (17) is located on the side of the second body (191) away from the second protrusion (192), a portion of the fourth lead rod (17) is located on the side of the second protrusion (192) away from the second body (191), and the shell (11) has a second bending portion, and the second bending portion abuts against the upper surface of the second body (191).
9. The heating device according to claim 8, characterized in that: The heating device comprises a first safety element (3), a second safety element (4), a first terminal (5) and a second terminal (6), one end of the first terminal (5) is connected to the first safety element (3), the other end of the first terminal (5) is connected to the first lead rod (14), the other end of the first terminal (5) is connected to the second lead rod (15), one end of the second terminal (6) is connected to the second safety element (4), the other end of the second terminal (6) is connected to the third lead rod (16), and the other end of the second terminal (6) is connected to the fourth lead rod (17).
10. A pump, characterized in that: The heating device comprises the heating device according to any one of claims 1 to 9, wherein the pump further comprises a motor assembly and a pump housing, wherein the motor assembly has a fixing portion, the fixing portion is limit-connected to one end of the pump housing, and the heating plate (2) is limit-connected to the other end of the pump housing.