CN113775529A - Integrated circulating heat pump power system of dish washing machine - Google Patents
Integrated circulating heat pump power system of dish washing machine Download PDFInfo
- Publication number
- CN113775529A CN113775529A CN202111193356.8A CN202111193356A CN113775529A CN 113775529 A CN113775529 A CN 113775529A CN 202111193356 A CN202111193356 A CN 202111193356A CN 113775529 A CN113775529 A CN 113775529A
- Authority
- CN
- China
- Prior art keywords
- steel disc
- heating pipe
- heat pump
- power system
- heating
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4285—Water-heater arrangements
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- 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
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
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- 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
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid pumps
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- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
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- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
Abstract
The invention discloses an integrated circulating heat pump power system of a dish washing machine, which comprises a pump body, wherein a heating module is fixedly arranged at the upper end of the pump body, the heating module comprises a heating pipe, a thermal protector, a temperature controller, a lead, a grounding terminal and a steel disc, a heating inner cavity is arranged in the steel disc, the heating pipe is embedded in the heating inner cavity, the heating pipe and the steel disc are welded and fixed, the thermal protector and the temperature controller are respectively and detachably arranged on the outer surface of the steel disc, and the heating pipe, the thermal protector and the temperature controller are connected in series through leads; the pump body includes spiral case and labyrinth baffle, be provided with labyrinth sealing device on the labyrinth baffle, constitute a standard pump casing after the spiral case is connected with the labyrinth baffle, be provided with the impeller in the spiral case, the gap department of impeller and spiral case constitutes sealedly through labyrinth sealing device. Above-mentioned technical scheme, structural design is reasonable, calorific loss is little, energy utilization is rateed highly, the heating pipe is little and the practicality is good to the flow and the lift influence of the pump body.
Description
Technical Field
The invention relates to the technical field of dish washing machines, in particular to an integrated circulating heat pump power system of a dish washing machine.
Background
The structure of the power system of the circulating heat pump of the existing dishwasher is unreasonable, and the following defects exist: (1) the heating pipe is arranged externally, so that the heat loss is large, and the energy utilization rate is low; (2) the pump body structure is not a complete water pump volute, and other losses of the pump are large; (3) the heating pipe is built in, and although the heat loss is little, the flow and the lift of the pump body are greatly influenced, and the practicability is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the integrated circulating heat pump power system of the dish washing machine, which has the advantages of reasonable structural design, small heat loss, high energy utilization rate, small influence of a heating pipe on the flow and the lift of a pump body and good practicability.
In order to achieve the purpose, the invention provides the following technical scheme: an integrated circulating heat pump power system of a dish washing machine comprises a pump body, wherein a heating module is fixedly arranged at the upper end of the pump body, the heating module comprises a heating pipe, a thermal protector, a temperature controller, a wire and a steel disc, a heating inner cavity is arranged in the steel disc, the heating pipe is embedded in the heating inner cavity, the heating pipe is welded and fixed with the steel disc, the thermal protector and the temperature controller are respectively detachably arranged on the outer surface of the steel disc, and the heating pipe, the thermal protector and the temperature controller are connected in series through the wire; the pump body includes spiral case and labyrinth baffle, be provided with labyrinth sealing device on the labyrinth baffle, constitute a standard pump casing after the spiral case is connected with the labyrinth baffle, be provided with the impeller in the spiral case, the gap department of impeller and spiral case constitutes sealedly through labyrinth sealing device.
The invention is further configured to: the pump body lower extreme is fixed and is provided with the motor, the fixed control module installation department that is provided with of motor lower extreme, control module installation department lower extreme is provided with the metal covering plate, the motor includes motor stator and motor shaft, motor locator and control module installation department mould plastics into an organic whole structure.
The invention is further configured to: the upper end of the motor shaft is fixedly connected with the impeller, and the motor shaft is sleeved with a flow guide ring.
The invention is further configured to: the motor upper end is provided with a motor shaft hole, the motor shaft is worn to establish in the motor shaft hole, the water conservancy diversion ring lower extreme is connected with the motor shaft hole.
The invention is further configured to: the blades of the impeller are twisted blades or straight blades.
The invention is further configured to: the heating pipe is of a spiral structure, two positioning holes are formed in the steel disc, and two ends of the heating pipe are welded and fixed with the aligned positioning holes respectively.
The invention is further configured to: the heat protector is integrally provided with a plurality of pin terminals, one of the pin terminals is connected with one end of the heating pipe in series through a lead, and the other pin terminal of the heat protector is connected with a power supply.
The invention is further configured to: and the lower end of the steel disc is riveted with the pump body through a tooth-shaped edge rolling or fastened through a screw.
The invention is further configured to: the steel disc aims at hot protector mounted position welding and has first round pin axle, the cover is equipped with first position sleeve on the hot protector, first position sleeve compresses tightly hot protector, and first position sleeve and first round pin hub connection to first round pin epaxial end is provided with first nut, and through first nut locking first position sleeve.
The invention is further configured to: the temperature controller is characterized in that a second pin shaft is welded at the mounting position of the steel disc, which is aligned with the temperature controller, a second positioning sleeve is sleeved on the temperature controller and compresses the temperature controller, the second positioning sleeve is connected with the second pin shaft, a second nut is arranged at the upper end of the second pin shaft, and the second positioning sleeve is locked through the second nut.
The invention has the advantages that: compared with the prior art, the structure of the invention is more reasonable, the heating inner cavity is arranged in the steel disc, the heating pipe is embedded in the heating inner cavity, the heating module is completely separated from the pump body assembly, the heat loss is small, the heat exchange of the heating pipe is better, and the efficiency is improved; the influence of the heating pipe on the flow and the lift is reduced, the loss of the pump body is small, the efficiency of the pump is improved, the performance of the pump is well optimized, and the energy utilization rate is high; the motor stator and the control module mounting part are molded into an integral structure, so that the control module mounting part has excellent sealing performance and good heat conducting performance; the guide ring can prevent water from flowing into the motor; when the blades of the impeller are twisted blades, the efficiency of the pump can be improved, and the practicability is good.
The invention is further described with reference to the drawings and the specific embodiments in the following description.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a heating module according to an embodiment of the present invention;
FIG. 3 is a schematic view of a volute according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a labyrinth plate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an impeller according to an embodiment of the present invention.
Detailed Description
In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 5, the integrated circulation heat pump power system of the dishwasher disclosed by the invention comprises a pump body 1, wherein a heating module 2 is fixedly arranged at the upper end of the pump body 1, the heating module 2 comprises a heating pipe 21, a thermal protector 22, a temperature controller 23, a lead 24 and a steel disc 25, a heating inner cavity is arranged in the steel disc 25, the heating pipe 21 is embedded in the heating inner cavity, the heating pipe 21 and the steel disc 25 are welded and fixed, the thermal protector 22 and the temperature controller 23 are respectively detachably arranged on the outer surface of the steel disc 25, and the heating pipe 21, the thermal protector 22 and the temperature controller 23 are connected in series through the lead 24; the pump body 1 includes spiral case 11 and labyrinth baffle 12, be provided with labyrinth seal device on the labyrinth baffle 12, constitute a standard pump casing after spiral case 11 is connected with labyrinth baffle 12, be provided with impeller 3 in the spiral case 11, the gap department of impeller 3 and spiral case 11 constitutes sealedly through labyrinth seal device.
Preferably, the labyrinth seal device is a seal structure integrally arranged on the labyrinth partition plate 12, and may also be a lip seal or other seal layer. The volute 11 and the labyrinth partition 12 are fixed by welding or screw connection.
In order to make the structure of the present invention more reasonable, preferably, the lower end of the pump body 1 is fixedly provided with the motor 4, the lower end of the motor 4 is fixedly provided with the control module mounting portion 41, the lower end of the control module mounting portion 41 is provided with the metal cover plate 5, the motor 4 comprises a motor stator and a motor shaft 42, and the motor locator and the control module mounting portion 41 are molded into an integral structure.
The upper end of the motor shaft 42 is fixedly connected with the impeller 3, and the motor shaft 42 is sleeved with a guide ring 6.
The upper end of the motor 4 is provided with a motor shaft hole, the motor shaft 42 penetrates through the motor shaft hole, and the lower end of the flow guide ring 6 is connected with the motor shaft hole.
The blades of the impeller 3 are twisted blades or straight blades.
The heating pipe 21 is of a spiral structure, two positioning holes are formed in the steel disc 25, and two ends of the heating pipe 21 are welded and fixed with the aligned positioning holes respectively.
A plurality of pin terminals are integrally arranged on the thermal protector 22, one of the pin terminals is connected with one end of the heating tube 21 in series through a lead, and the other pin terminal of the thermal protector 22 is connected with a power supply.
The steel disc 25 is also fixedly provided with a grounding terminal, and the lower end of the steel disc 25 is riveted with the pump body 1 through a tooth-shaped edge rolling or fastened through a screw.
The steel disc 25 is aligned to the mounting position of the thermal protector 22 and is welded with a first pin shaft, a first positioning sleeve is sleeved on the thermal protector 22 and compresses the thermal protector 22, the first positioning sleeve is connected with the first pin shaft, a first nut is arranged at the upper end of the first pin shaft, and the first positioning sleeve is locked through the first nut.
The mounting position that the steel disc 25 aimed at the temperature controller 23 is welded with a second pin shaft, the temperature controller 23 is sleeved with a second locating sleeve, the second locating sleeve compresses the temperature controller 23, the second locating sleeve is connected with the second pin shaft, a second nut is arranged at the upper end of the second pin shaft, and the second locating sleeve is locked through the second nut.
Preferably, a lip-shaped sealing ring is arranged between the lower end of the volute 11 of the pump body 1 and the motor shaft 42, the volute 11 of the pump body 1 is fastened with the motor 4 through screws, and the impeller 3 is fastened with the motor shaft 42 through threads or screws; the metal cover plate 5 and the control module mounting part 41 are fastened by screws.
In practical application, a heating inner cavity is arranged in the steel disc, the heating pipe is embedded in the heating inner cavity, the heating module is completely separated from the pump body assembly, heat loss is small, heat exchange of the heating pipe is good, and efficiency is improved; the influence of the heating pipe on the flow and the lift is reduced, the loss of the pump body is small, the efficiency of the pump is improved, the performance of the pump is well optimized, and the energy utilization rate is high; the motor stator and the control module mounting part are molded into an integral structure, so that the control module mounting part has excellent sealing performance and good heat conducting performance; the guide ring can prevent water from flowing into the motor; when the blades of the impeller are twisted blades, the efficiency of the pump can be improved, and the practicability is good.
The above embodiments are described in detail for the purpose of further illustrating the present invention and should not be construed as limiting the scope of the present invention, and the skilled engineer can make insubstantial modifications and variations of the present invention based on the above disclosure.
Claims (10)
1. The utility model provides a dish washer integration circulation heat pump driving system, includes pump body (1), its characterized in that: the heating device is characterized in that a heating module (2) is fixedly arranged at the upper end of the pump body (1), the heating module (2) comprises a heating pipe (21), a thermal protector (22), a temperature controller (23), a lead (24) and a steel disc (25), a heating inner cavity is arranged in the steel disc (25), the heating pipe (21) is embedded in the heating inner cavity, the heating pipe (21) and the steel disc (25) are fixedly welded, the thermal protector (22) and the temperature controller (23) are detachably arranged on the outer surface of the steel disc (25) respectively, and the heating pipe (21), the thermal protector (22) and the temperature controller (23) are connected in series through the lead (24); the pump body (1) includes spiral case (11) and labyrinth baffle (12), be provided with labyrinth seal device on labyrinth baffle (12), constitute a standard pump casing after spiral case (11) are connected with labyrinth baffle (12), be provided with impeller (3) in spiral case (11), the gap department of impeller (3) and spiral case (11) constitutes sealedly through labyrinth seal device.
2. A dishwasher integrated cycle heat pump power system as defined in claim 1, wherein: the pump body (1) lower extreme is fixed and is provided with motor (4), the fixed control module installation department (41) that is provided with of motor (4) lower extreme, control module installation department (41) lower extreme is provided with metal covering plate (5), motor (4) include motor stator and motor shaft (42), the motor locator moulds plastics into an organic whole structure with control module installation department (41).
3. A dishwasher integrated cycle heat pump power system as defined in claim 2, wherein: the upper end of the motor shaft (42) is fixedly connected with the impeller (3), and the motor shaft (42) is sleeved with a flow guide ring (6).
4. A dishwasher integrated cycle heat pump power system as defined in claim 3, wherein: the upper end of the motor (4) is provided with a motor shaft hole, the motor shaft (42) penetrates through the motor shaft hole, and the lower end of the flow guide ring (5) is connected with the motor shaft hole.
5. A dishwasher integrated cycle heat pump power system according to claim 1 or 4, characterized in that: the blades of the impeller (3) are twisted blades or straight blades.
6. A dishwasher integrated cycle heat pump power system according to claim 1 or 4, characterized in that: the heating pipe (21) is of a spiral structure, two positioning holes are formed in the steel disc (25), and two ends of the heating pipe (21) are welded and fixed with the aligned positioning holes respectively.
7. The integrated circulation heat pump power system of dishwasher of claim 6, characterized in that: a plurality of pin terminals are integrally arranged on the thermal protector (22), one of the pin terminals is connected with one end of the heating pipe (21) in series through a lead, and the other pin terminal of the thermal protector (22) is connected with a power supply.
8. A dishwasher integrated cycle heat pump power system as defined in claim 7, wherein: the steel disc (25) is further fixedly provided with a grounding terminal, and the lower end of the steel disc (25) is riveted with the pump body (1) through a tooth-shaped edge rolling or fastened through a screw.
9. A dishwasher integrated cycle heat pump power system as defined in claim 8, wherein: the steel disc (25) aims at hot protector mounted position welding and has first round pin axle, the cover is equipped with first position sleeve on hot protector (22), first position sleeve compresses tightly hot protector (22), and first position sleeve and first round pin hub connection to first round pin epaxial end is provided with first nut, and through first nut locking first position sleeve.
10. A dishwasher integrated cycle heat pump power system as defined in claim 9, wherein: the temperature controller is characterized in that a second pin shaft is welded at the mounting position, aligned to the temperature controller (23), of the steel disc (25), a second positioning sleeve is sleeved on the temperature controller (23), the second positioning sleeve compresses the temperature controller (23), the second positioning sleeve is connected with the second pin shaft, a second nut is arranged at the upper end of the second pin shaft, and the second positioning sleeve is locked through the second nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111193356.8A CN113775529A (en) | 2021-10-13 | 2021-10-13 | Integrated circulating heat pump power system of dish washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111193356.8A CN113775529A (en) | 2021-10-13 | 2021-10-13 | Integrated circulating heat pump power system of dish washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113775529A true CN113775529A (en) | 2021-12-10 |
Family
ID=78871177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111193356.8A Pending CN113775529A (en) | 2021-10-13 | 2021-10-13 | Integrated circulating heat pump power system of dish washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113775529A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4215100A1 (en) * | 2022-01-20 | 2023-07-26 | Backer Heating Technologies (Shenzhen) Co., Ltd. | Heating pump cover and heating pump |
-
2021
- 2021-10-13 CN CN202111193356.8A patent/CN113775529A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4215100A1 (en) * | 2022-01-20 | 2023-07-26 | Backer Heating Technologies (Shenzhen) Co., Ltd. | Heating pump cover and heating pump |
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