CN117320199A - Heating device and heating pump - Google Patents
Heating device and heating pump Download PDFInfo
- Publication number
- CN117320199A CN117320199A CN202210731899.9A CN202210731899A CN117320199A CN 117320199 A CN117320199 A CN 117320199A CN 202210731899 A CN202210731899 A CN 202210731899A CN 117320199 A CN117320199 A CN 117320199A
- Authority
- CN
- China
- Prior art keywords
- heating
- protruding
- safety device
- fixed
- heating section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 147
- 238000003466 welding Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 11
- 239000007769 metal material Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004851 dishwashing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
- H05B3/06—Heater elements structurally combined with coupling elements or holders
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a heating device and a heating pump, comprising a mounting cover, a heating pipe component, a safety device and a temperature control device, wherein the mounting cover comprises a first side part and a second side part which are opposite, the first side part is provided with a main body part and a protruding part, the protruding part protrudes from the main body part in the thickness direction of the mounting cover, the second side part is provided with a mounting groove corresponding to the protruding part, the heating pipe component comprises a heating section, part of the heating section is limited in the mounting groove, the safety device is fixed on the protruding part, the temperature control device is fixed on the main body part, and the protruding part is in heat conduction connection with the heating section and the safety device. The invention can prevent the sensitivity of the safety device and the temperature control device from being influenced by welding and fixing while the safety device is sensitive to the temperature of the heating section, and ensure the safety and the reliability of the device.
Description
[ field of technology ]
The invention relates to the technical field of household appliances, in particular to a heating device and a heating pump.
[ background Art ]
In the working process of household appliances such as dish washing machines, a heating system is required to provide heat. The heating pump mainly comprises a cover, a heating section, a safety device and a temperature control device, wherein the heating section is partially stretched into a pump cavity and is partially contacted with the inner surface of the cover, so that the safety device is sensitive to the temperature of the heating section, the other part of the heating section is spaced from the inner surface of the cover, the temperature control device is sensitive to the temperature of fluid, but the heating section stretching into the pump cavity is fixed more troublesome, the heating section is welded and fixed at the contact part of the heating section and the inner surface of the cover, the sensitivity of the safety device and the temperature control device is influenced by the welded and fixed, and then potential safety hazards exist.
[ invention ]
The invention aims to provide a heating device and a heating pump capable of keeping high safety performance.
In order to achieve the above purpose, the following technical scheme is adopted:
the utility model provides a heating device, includes installation lid, heating pipe assembly, safety device and temperature control device, the installation lid includes relative first lateral part and second lateral part, first lateral part has main part and bellying, the bellying be in the thickness direction of installation lid protruding in main part, the second lateral part have with the corresponding mounting groove of bellying, heating pipe assembly includes the heating section, the part of heating section is limited in the mounting groove, safety device is fixed in the bellying, temperature control device is fixed in main part, the bellying heat conduction is connected the heating section with safety device.
According to the heating device provided by the technical scheme, the heating section is partially limited in the corresponding installation groove of the protruding part, the safety device is fixed on the protruding part, the protruding part is in heat conduction connection with the heating section and the safety device, so that the heating section is limited through the corresponding installation groove of the protruding part, the safety device is in heat conduction connection with the heating section through the protruding part, the safety device can be sensitive to the temperature of the heating section, the influence of welding fixation on the sensitivity of the safety device is avoided, and the safety and reliability of the device are ensured.
The utility model provides a heating pump, includes pump case, motor, impeller and aforesaid heating device, the one end of pump case with heating device is fixed, the other end of pump case with the motor is fixed, the pump case still is equipped with the pump chamber, the impeller holding is in the pump intracavity, the motor drives the impeller rotates.
According to the heating pump provided by the technical scheme, most of heating sections of the heating device can be in direct contact with fluid in the pump cavity, so that the heating efficiency of the heating pump is ensured; meanwhile, the safety device is in heat conduction connection with the heating section through the protruding part, so that the safety device is sensitive to the temperature of the heating section, the temperature control device is fixed on the main body part, the temperature control device is sensitive to the temperature of the fluid, and the safety performance and the temperature control performance of the heating pump are guaranteed.
Drawings
FIG. 1 is a schematic diagram of one embodiment of a heat pump of the present invention;
FIG. 2 is a schematic view of a heating apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of the heating device of FIG. 2;
FIG. 4 is a schematic view of the mounting cap of FIG. 2;
FIG. 5 is a schematic cross-sectional view of the mounting cap of FIG. 4;
FIG. 6 is a schematic cross-sectional view of the heating device of FIG. 2 in another direction;
FIG. 7 is a schematic view of the heating tube assembly of FIG. 2;
fig. 8 is a schematic structural view of the safety device in fig. 2.
Detailed Description
The present invention will be further described in detail below with reference to the drawings and detailed description for the purpose of better understanding of the technical solution of the present invention to those skilled in the art.
Referring to fig. 1, the heating device provided by the invention can be used in household appliances such as dish washing machines or washing machines, and the heating device can be integrated into a heating pump as shown in fig. 1, and can also be used for heating media such as water independently.
Referring now to fig. 2 and 3, fig. 2 shows an embodiment of a heating device according to the present invention, which comprises a heating tube assembly 1, a mounting cover 2, a safety device 3 and a temperature control device 4. The mounting cover 2 is disc-shaped or approximately disc-shaped, and the mounting cover 2 is made of a metal material, for example, the mounting cover 2 can be made of a stainless steel material, so that the corrosion resistance of the mounting cover 2 is improved.
The mounting cover 2 comprises a first side part and a second side part which are opposite, the first side part is provided with a main body part 21 and a protruding part 22, the protruding part 22 protrudes from the main body part 21 in the thickness direction of the mounting cover 2, the second side part is provided with a mounting groove 220 corresponding to the protruding part 22, the heating pipe assembly 1 comprises a heating section 10, part of the heating section 10 is limited in the mounting groove 220, the safety device 3 is fixed on the protruding part 22, the temperature control device 2 is fixed on the main body part 21, and the protruding part 22 is in heat conduction connection with the heating section 10 and the safety device 3.
According to the technical scheme provided by the embodiment, the heating section 10 is partially limited in the mounting groove 220 corresponding to the protruding part 22, the safety device 3 is fixed on the protruding part 22, and the protruding part 22 is in heat conduction connection with the heating section 10 and the safety device 3, so that the heating section 10 is limited through the mounting groove 220 corresponding to the protruding part 22, the safety device 3 is in heat conduction connection with the heating section 10 through the protruding part 22, the safety device 3 can be sensitive to the temperature of the heating section 10, meanwhile, the influence of welding fixation on the sensitivity of the safety device 3 is avoided, and the safety and reliability of the device are ensured.
Referring to fig. 4 to 7, in order to improve the heating efficiency of the heating device, the heating section 10 of the heating tube assembly 1 may be configured as an arc structure, and correspondingly, the protruding portion 22 is disposed along the circumferential direction of the mounting cover 2, so that the protruding portion 22 is more convenient to process, and the protruding portion 22 may be configured as a circumferential closure.
The height of the protrusion 22 protruding in the thickness direction of the mounting cap 2 is less than 1/3 of the thickness of the heating section 10, so that the contact portion of the heating section 10 with the mounting cap 2, i.e., the majority of the heating section 10 is in contact with the fluid, can be reduced, thereby improving the heating efficiency of the heating device.
Specifically, the boss 22 includes a boss top wall 221, a first side wall 222, and a second side wall 223, the boss top wall 221, the first side wall 222, and the second side wall 223 are integrally formed, the boss top wall 221 protrudes from the main body portion 21 in the thickness direction of the mounting cover 2, the first side wall 222 connects the boss top wall 221 and the main body portion 21, and the second side wall 223 connects the boss top wall 221 and the main body portion 21.
The mounting cover 2 also has a mounting portion 23, which mounting portion 23 is used to secure the heating device to a housing of a device such as a heat pump. The mounting portion 23 is located circumferentially outward of the boss 22, and the second side wall 223 is closer to the mounting portion 23 than the first side wall 222, with a predetermined distance between the mounting portion 23 and the second side wall 223 of the boss 22. This reduces the amount of heat transferred from the heating tube assembly 1 to the mounting portion 23 and increases the life of the seal at the mounting portion 23 and the heating pump housing.
In addition, the mounting portion 23 protrudes from the body portion 21 in the thickness direction of the mounting cap 2, so that the body portion 21 can contact the liquid in the pump chamber to the maximum extent, and transfer the heat of the heating tube assembly 1 to the fluid, thereby improving the heating efficiency of the heating device.
In some embodiments, the heating section 10 is welded to the mounting cover 2, and the projection of the welding position of the heating section 10 and the mounting cover 2 on the plane of the main body 21 is not coincident with the projection of the fixing position of the safety device 3 and the boss 22 on the plane of the main body 21. In this way, the heating section 10 is welded and fixed to the mounting cover 2, so that the heating section 10 can be stably fixed to the mounting cover 2, and the welded portion is not overlapped with the fixed portion of the safety device 3, thereby avoiding the influence of welding on the sensitivity of the safety device 3.
Specifically, the heating section 10 may be spot-welded to one side of the protruding ceiling 221 of the protruding portion 22, the safety device 3 is fixed to the other side of the protruding ceiling 221, and the spot-welded portion of the heating section 10 and the protruding ceiling 221 and the fixed portion of the safety device 3 and the protruding ceiling 221 do not coincide. The heating section 10 is limited through the mounting groove 220 corresponding to the bulge 22, and the heating section 10 and the bulge top wall 22 are fixed by spot welding, the heating section 10 can be stably fixed on the mounting cover 2, and the safety device 3 and the heating section 10 conduct heat through the bulge top wall 221, so that the safety device 3 is continuously sensitive to the temperature of the heating section 10.
Of course, the heating section 10 may also be welded to the first side wall 222 or the second side wall 223, and the safety device 3 is fixed to the protruding ceiling 221. The heating section 10 can be stably fixed on the mounting cover 2 by welding and fixing the heating section 10 with the first side wall 222 or the second side wall 223, and the safety device 3 and the heating section 10 conduct heat through the convex top wall 221, so that the safety device 3 is continuously sensitive to the temperature of the heating section 10.
Referring to fig. 3 and 8, in the present embodiment, the safety device 3 includes a safety element 30 and a bottom plate 31, the bottom plate 31 is made of a heat conductive material, the safety element 30 is fixed on the bottom plate 31, and the safety device 3 further includes fixing portions 32 connected to both sides of the bottom plate 31, and the fixing portions 32 are welded to the protruding top walls 221 of the protruding portions 22. In this way, the safety device 3 can be firmly fixed to the boss 22, and the safety element 30 can be in thermal contact with the heating section 10 through the heat conducting base plate 31 and the boss ceiling 221 of the boss 22, thereby making the safety device 3 sensitive to temperature changes of the heating section 10.
In the process of welding the fixing portion 32, the part of the fixing portion 32 farthest from the safety device 3 and the mounting cover 2 are welded and fixed, so that the damage to parts in the device due to the welding process can be reduced, and the stability of the device is improved.
In this embodiment, the safety device 3 and the temperature control device 4 are welded with the mounting cover 2 through the fixing portion 32, so that temperature control of the heating tube assembly 1 can be achieved, and the mounting is simple and parts are fewer.
Referring to fig. 8, in the present embodiment, the safety device 3 may further include a fixing member 33, one end of the fixing member 33 is fixed to the base plate 31, and the other end of the fixing member 33 is fixed to the protruding portion 22.
The fixing member 33 may be made of aluminum or aluminum alloy, and has low cost and good thermal conductivity. The fixing member 33 and the boss 22 may be fixedly connected by welding, riveting, or the like, and the fixing member 33 may be integrally formed with the mounting cover 2. The fixing member 33 and the bottom plate 31 of the safety device 3 may be fixed by welding or by screwing.
Specifically, the bottom plate 31 may be provided with a through hole in which the fixing member 33 is partially located, the fixing member 33 having an external thread, and a nut engaged with the fixing member 33 being provided such that the bottom plate 31 is fixed between the nut engaged with the fixing member 33 and the wall portion of the boss 22.
Through mounting 3 is fixed, can improve the stability that safety device 3 is connected with installation lid 2, be convenient for change safety device 3 simultaneously, reduce cost of maintenance.
The temperature control element of the temperature control device 4 may also be fixed to the main body 21 of the mounting cover 2 by a heat conducting base plate and a fixing member, so that the temperature control device 4 is sensitive to temperature changes of the fluid, which is not described herein.
Referring to fig. 6 to 7, the heating tube assembly 1 further includes a first terminal 11, a second terminal 12, a first connecting section 13 and a second connecting section 14, wherein the first connecting section 13 connects one end of the heating section 10 with the first terminal 11, and the second connecting section 14 connects the other end of the heating section 10 with the second terminal 12.
The first terminal 11 and the second terminal 12 are located at a first side portion of the mounting cover 2, and the first connecting section 13 and the second connecting section 14 penetrate through the mounting cover 2 and are fixed with the mounting cover 2 in a sealing manner. This arrangement facilitates electrical connection of the heating tube assembly 1 to the safety device 3 and the temperature control device 4.
Referring to fig. 2, the heating device further includes a first connection line 51 and a second connection line 52, the first connection line 52 is electrically connected with the safety device 3 and the first terminal 11, the second connection line 52 is electrically connected with the temperature control device 4 and the second terminal 12, and a safety distance is provided between the temperature control device 4 and the safety device 3.
The safety device 3 may be a fuse, and the safety device 3 is very sensitive to temperature change of the heating section 10, so that power supply to the heating pipe assembly 1 can be cut off when the device fails, and safety and reliability of the device are guaranteed.
The temperature control device 4 can be a temperature controller and can be repeatedly used. The temperature control device 4 is sensitive to the temperature change of the liquid, and can control the on-off of the heating pipe assembly 1 according to the temperature of the liquid, thereby achieving the effect of adjusting the temperature of the liquid.
The temperature control device 4 and the safety device 3 have a certain safety distance, and the safety distance can be changed according to the size of the specific installation cover 2 and the specific use requirement, so that the possibility of short circuit between the safety device 3 and the temperature control device 4 can be reduced, and the safety of the heating device is improved.
The invention also provides a heating pump which comprises the heating device, the pump shell, the impeller and the motor. The pump shell is provided with a pump cavity, an outlet and an inlet, the pump shell is a cylinder body with two open ends, one end of the pump shell is fixed with the installation part of the heating device, the other end of the pump shell is fixed with the motor, the impeller is arranged in the pump cavity of the pump shell, the motor drives the impeller to rotate, the outlet and the water inlet are connected with the pump cavity, the impeller rotates to drive fluid to enter the pump cavity from the inlet, and the heated fluid is discharged through the outlet after being heated by the heating device.
So, heating section 10 of heating device can mostly with the fluid direct contact in the pump chamber, guarantee the heating efficiency of heating pump, and safety device 3 is connected with heating section 10 heat conduction through bellying 22, makes safety device 3 sensitive to heating section 10 temperature, and temperature control device 4 is fixed in main part 21, makes temperature control device 4 sensitive to the fluid temperature, guarantees the security performance and the temperature control performance of heating pump.
It should be noted that: although the present invention has been described in detail with reference to the above embodiments, it will be understood by those skilled in the art that the present invention may be modified, combined or equivalent thereto, and all modifications and improvements thereto without departing from the spirit and scope of the present invention are intended to be included in the scope of the appended claims.
Claims (10)
1. The utility model provides a heating device, its characterized in that, including installation lid (2), heating pipe assembly (1), safety device (3) and temperature control device (4), installation lid (2) are including relative first lateral part and second lateral part, first lateral part has main part (21) and bellying (22), bellying (22) be in the thickness direction of installation lid (2) protruding in main part (21), the second lateral part have with bellying (22) corresponding mounting groove (220), heating pipe assembly (1) include heating section (10), the part of heating section (10) is limited in mounting groove (220), safety device (3) are fixed in bellying (22), temperature control device (4) are fixed in main part (21), bellying (22) heat conduction connection heating section (10) with safety device (3).
2. The heating device according to claim 1, characterized in that the heating section (10) is welded to the mounting cover (2), and the projection of the welding position of the heating section (10) and the mounting cover (2) on the plane of the main body (21) is not overlapped with the projection of the fixing position of the safety device (3) and the protruding part (22) on the plane of the main body (21).
3. A heating device according to claim 2, wherein the protruding portion (22) includes a protruding ceiling wall (221), the protruding ceiling wall (221) protrudes out of the main body portion (21) in a thickness direction of the mounting cover (2), the heating section (10) is spot-welded to one side of the protruding ceiling wall (221), the safety device (3) is fixed to the other side of the protruding ceiling wall (221), and spot-welded portions of the heating section (10) and the protruding ceiling wall (221) and fixed portions of the safety device (3) and the protruding ceiling wall (221) do not coincide.
4. The heating device according to claim 2, wherein the protruding portion (22) comprises a protruding top wall (221), a first side wall (222) and a second side wall (223), the first side wall (222) connects the protruding top wall (221) and the main body portion (21), the second side wall (223) connects the protruding top wall (221) and the main body portion (21), the heating section (10) is welded to the first side wall (222) or the second side wall (223), and the safety device (3) is fixed to the protruding top wall (221).
5. The heating device according to claim 4, wherein the mounting cover (2) further has a mounting portion (23), the mounting portion (23) being located on a circumferential outer side of the boss portion (22), the mounting portion (23) being higher than the main body portion (21) in a thickness direction of the mounting cover (2), the second side wall (223) being closer to the mounting portion (23) than the first side wall (222), the mounting portion (23) and the second side wall (223) having a predetermined distance therebetween.
6. A heating device according to claim 1, characterized in that the height of the projection (22) in the thickness direction of the mounting cover (2) is less than 1/3 of the thickness of the heating section (10), the mounting cover (2) being made of a metallic material.
7. A heating device according to claim 1, characterized in that the safety device (3) comprises a safety element (30) and a soleplate (31), the safety element (30) being fixed to the soleplate (31);
the safety device (3) further comprises fixing parts (32) connected with two sides of the bottom plate (31), the fixing parts (32) are fixedly welded with the protruding parts (22), or the safety device (3) further comprises fixing pieces (33), one ends of the fixing pieces (33) are fixedly connected with the bottom plate (31), and the other ends of the fixing pieces (33) are fixedly connected with the protruding parts (22).
8. The heating device according to claim 1, wherein the heating tube assembly (1) further comprises a first terminal (11), a second terminal (12), a first connecting section (13) and a second connecting section (14), the first connecting section (13) connects one end of the heating section (10) with the first terminal (11), the second connecting section (14) connects the other end of the heating section (10) with the second terminal (12), the first terminal (11) and the second terminal (12) are located at a first side portion of the mounting cover (2), and the first connecting section (13) and the second connecting section (14) penetrate through the mounting cover (2) and are fixed with the mounting cover (2) in a sealing manner.
9. The heating device according to claim 8, further comprising a first connection line (51) and a second connection line (52), the first connection line (52) being electrically connected to the safety device (3) and the first connection line (11), respectively, the second connection line (52) being electrically connected to the temperature control device (4) and the second connection line (12), respectively, the temperature control device (4) and the safety device (3) having a safety distance therebetween.
10. A heating pump, comprising a pump shell, a motor and an impeller, and further comprising a heating device according to any one of claims 1 to 9, wherein one end of the pump shell is fixed with the heating device, the other end of the pump shell is fixed with the motor, the pump shell is further provided with a pump cavity, the impeller is accommodated in the pump cavity, and the motor drives the impeller to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210731899.9A CN117320199A (en) | 2022-06-25 | 2022-06-25 | Heating device and heating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210731899.9A CN117320199A (en) | 2022-06-25 | 2022-06-25 | Heating device and heating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117320199A true CN117320199A (en) | 2023-12-29 |
Family
ID=89245128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210731899.9A Pending CN117320199A (en) | 2022-06-25 | 2022-06-25 | Heating device and heating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117320199A (en) |
-
2022
- 2022-06-25 CN CN202210731899.9A patent/CN117320199A/en active Pending
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