CN207513939U - A kind of heated type water pump with thermel protection device - Google Patents
A kind of heated type water pump with thermel protection device Download PDFInfo
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- CN207513939U CN207513939U CN201721481772.7U CN201721481772U CN207513939U CN 207513939 U CN207513939 U CN 207513939U CN 201721481772 U CN201721481772 U CN 201721481772U CN 207513939 U CN207513939 U CN 207513939U
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- thick film
- tds
- inserted sheet
- detect switch
- temperature detect
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Abstract
The utility model discloses a kind of heated type water pumps with thermel protection device, pump cover is equipped with thick film heater, thick film heater includes metal heat conducting-body, rare earth thick film heating body and temperature detect switch (TDS), metal heat conducting-body inner surface is contacted with transported fluid, the sintering of metal heat-conducting external surface has rare earth thick film heating body, the both ends of rare earth thick film heating body are equipped with tin plating interface, tin plating interface is respectively welded the second inserted sheet of the first inserted sheet of heater and heater, temperature detect switch (TDS) fixation is attached at thick film heating external surface, and the first connection inserted sheet of temperature detect switch (TDS) is directly or indirectly electrically connected with first inserted sheet of heater, second connection inserted sheet of temperature detect switch (TDS) forms electrified regulation circuit with second inserted sheet of heater by the connection with extraneous power supply.Thick film heater is made with thick-film heating element in the utility model, temperature detect switch (TDS) is provided on thick film heater, then thick film heater is set on pump, and pump is made to have good heating, heat transfer and temperature control effect.
Description
Technical field
The utility model is related to water pump technologies.
Background technology
In the household electrical appliance such as washing machine and dish-washing machine, internal cleaning solution and water recycle usually using centrifugal water pump defeated
It send, used water pump is generally the water pump with heating function.As shown in Figure 1, the component of its heating is generally heat-generating pipe 2.Hair
Heat pipe is mounted on pump cover or other positions of the pump housing by way of external connection.The quilt when fluid input of water pump
Heating, the fluid after heating are conveyed out.
Due to the use of heat-generating pipe as heater, the efficiency of heating is unstable, and the service life of heating is shorter.In the process of heating
In, the easy hot-spot of heat-generating pipe and form incrustation scale.
Using novel heating element, make heating, heat-transfer effect good, and temperature is stablized, and is need to solve in the industry one
Important technological problems.
Utility model content
There is heating the purpose of this utility model is to provide a kind of efficiency of heating surface and heating temperature be stable, heat transfer efficiency is high
The water pump of function.
In order to reach foregoing invention purpose, the utility model employs following technical scheme：One kind carries thermel protection device
Heated type water pump, including the pump housing containing motor, by motor-driven impeller and accommodate the pump cover of impeller, pump cover is equipped with
Water inlet is taken over and water outlet is taken over, and pump cover is equipped with thick film heater, and the thick film heater includes metal heat conducting-body, rare earth
Thick film heating body and temperature detect switch (TDS), metal heat conducting-body inner surface are contacted with transported fluid, the sintering of metal heat-conducting external surface
There is rare earth thick film heating body, the both ends of rare earth thick film heating body are equipped with tin plating interface, and tin plating interface is respectively welded heater
The second inserted sheet of first inserted sheet and heater, temperature detect switch (TDS) fixation are attached at thick film heating external surface, and the first of temperature detect switch (TDS)
Connection inserted sheet is directly or indirectly electrically connected with first inserted sheet of heater, the second connection inserted sheet of temperature detect switch (TDS) and the hair
Hot the second inserted sheet of body forms electrified regulation circuit by the connection with extraneous power supply.
As preferred way, the first connection inserted sheet of the temperature detect switch (TDS) is led with first inserted sheet of heater by first
Electric device is electrically connected.
Preferably, the thick film heater further includes a temperature detect switch (TDS) protective case, and the temperature detect switch (TDS) protective case has one
Main body and the bolt fixed seat extended out from main body both sides, the main body have the chamber for accommodating temperature detect switch (TDS) and are opened for temperature control
The the first connection inserted sheet and the second connection inserted sheet of temperature detect switch (TDS) that close run through the inserted sheet outside temperature detect switch (TDS) protective case from the inside to the outside
Through-hole, bolt fixed seat are equipped with the bolt hole crossed for bolt-through, and metal heat-conducting external surface is equipped with to be led to the bolt
The corresponding nut pedestal in hole.
As further preferred embodiment, the thick film heater further includes a fuse, and fuse fixation is attached at
The surface of thick film heating body, and the first connection inserted sheet of fuse passes through the second conducting element and second inserted sheet of heater electricity
Connection, the second connection inserted sheet of fuse connect inserted sheet with the second of the temperature detect switch (TDS) and are formed by the connection with extraneous power supply
Electrified regulation circuit.
Preferably, the thick film heater further includes a temperature detect switch (TDS) protective case, and the temperature detect switch (TDS) protective case has one
Main body and the bolt fixed seat extended out from main body both sides, the main body, which has, to be accommodated the first chamber of temperature detect switch (TDS), accommodates
The second chamber of fuse, for temperature detect switch (TDS) first connection inserted sheet, temperature detect switch (TDS) second connection inserted sheet, fuse first
Connection inserted sheet, fuse the second connection inserted sheet run through inserted sheet through-hole outside temperature detect switch (TDS) protective case from the inside to the outside, bolt is solid
Reservation is equipped with the bolt hole crossed for bolt-through, and metal heat-conducting external surface has nut bottom corresponding with the bolt hole
Seat.
Annular opening between pump cover side wall and water inlet are taken over is closed by the thick film heater of annular, and water inlet is taken over
It penetrates through the inner ring of thick film heater and is tightly connected therewith, the outer ring of pump cover and thick film heater is tightly connected.
As another embodiment, thick film heater is set to that water inlet is taken over or water outlet is taken over, metal heat conducting-body
For tubulose, rare earth thick film heating body is sintered in the outer surface of tubular metal heat carrier.
As another embodiment, the pump cover is connected to annular by prefabricated annular thick film heater and injection curing
The plastic casing of thick film heater is formed, plastic casing include upper and lower opening cylindrical part, positioned at cylindrical part center into
The water outlet that the mouth of a river is taken over and extended from cylindrical part is taken over, and thick film heater, which is closed on cylindrical part, to be open and intake
Between mouth is taken over, water inlet is taken over and cylindrical part integral molded plastic solidified forming is in the inner ring of prefabricated annular thick film heater
And outer ring.
Preferably, the heated type water pump with thermel protection device further includes an annular thick film protecting cover, and thick film protecting cover is set
In the outer top of thick film heater metal heat conducting-body, and there are heat dissipation gap, thick films between rare earth thick film heating external surface
Protecting cover is equipped with the through-hole being pierced by for internal electric elements and clearance position.
Preferably, rare earth thick film heating body upper surface is covered with one layer of heat preservation cotton.
The utility model is sintered on stainless steel plate and thick film heater is made using thick-film heating element as heater, thick
Temperature detect switch (TDS) is provided on film heater, then thick film heater is set on pump, makes pump that there is good heating, heat transfer and temperature
Effect is controlled, improves the performance of pump.
Description of the drawings
Fig. 1 is prior art pump exterior surface structure diagram.
Fig. 2 is the structure diagram that the sintering of the utility model has the stainless steel heat transfer plate of thick film heating body.
Fig. 3 is that Fig. 2 installs the structure diagram after temperature detect switch (TDS) and inserted sheet.
Fig. 4 is the structure diagram of one temperature detect switch (TDS) protective case lower surface of embodiment.
Fig. 5 is the structure diagram of one temperature detect switch (TDS) upper surface of embodiment.
Fig. 6 is that one temperature detect switch (TDS) protective case of embodiment puts on the schematic diagram after temperature detect switch (TDS).
Fig. 7 is that Fig. 3 puts on the structure diagram after temperature detect switch (TDS) protective case and connecting line.
Fig. 8 is the decomposition diagram of Fig. 7.
Fig. 9 is the structure diagram of two temperature detect switch (TDS) protective case lower surface of embodiment.
Figure 10 is the structure diagram of two temperature detect switch (TDS) upper surface of embodiment.
Figure 11 is that two temperature detect switch (TDS) protective case of embodiment puts on the schematic diagram after temperature detect switch (TDS) and connecting line.
Figure 12 is that the thick film heater of embodiment two puts on the structure diagram after temperature detect switch (TDS) protective case and connecting line.
Figure 13 is the decomposition diagram of Figure 12.
Figure 14 is that the water pump of the utility model is provided with the structure diagram of thick film heater on pump cover.
Figure 15 is the upper surface schematic diagram of the thick film heater of the utility model, visible heat preserving cotton structure in figure.
Figure 16 is that the intake-outlet of the utility model pump cover takes over the schematic diagram for being equipped with thick film heater.
Figure 17 is that the thick film of the utility model adds the schematic diagram that device is shaped with pump cover integrated injection molding.
Wherein, the wherein title of numerals：
1- pump covers, 2- heat-generating pipes, 3- pump cover water inlets, 4- heaters, 5- stainless steel heat carriers, 6- rare earth thick film heatings
Body, 7- insulating thick film layer inner boundaries, 8- insulating thick film layer outer boundaries, the tin plating interfaces of 9-, 10- stainless steel plate nut tube chamber welds with base
Position, 11- stainless steel plates ground connection position, the first inserted sheet of 12- heaters, the second inserted sheet of 13- heaters, 14- grounding insert-pins, 15- nuts
Pedestal, 16- temperature detect switch (TDS)s, the second connection inserted sheet of 16.1- temperature detect switch (TDS)s, the first connection inserted sheet of 16.2- temperature detect switch (TDS)s, 17-
Fuse, the second connection inserted sheet of 17.1 fuses, the first connection inserted sheet of 17.2 fuses, 18- temperature detect switch (TDS) sheaths,
18.1- nut through holes, 18.2- inserted sheet through-holes, 18.3- fuse mounting grooves, 18.4- temperature detect switch (TDS) mounting grooves, 19- first are connected
Line, the second connecting lines of 20-, 21- nuts, 22- thick film protecting covers, the 23- pump housings, 24- heat-preservation cottons, 25- have the pump of tubular heater
Lid, 25.1- water outlets are taken over, and 25.2- water inlets are taken over, 26- tubular heaters
Specific embodiment
Embodiment one
It is a kind of embodiment party of the heated type water pump described in the utility model with thermel protection device as shown in Fig. 2~8
Formula.The water pump includes the pump housing 23 containing motor, by motor-driven impeller and the pump cover 1 of receiving impeller.Pump cover be equipped with into
The mouth of a river is taken over and water outlet is taken over, and pump cover is equipped with thick film heater.
As shown in figures 2-3, thick film heater include stainless steel heat carrier 5, rare earth thick film heating body 6, temperature detect switch (TDS) 16,
Temperature detect switch (TDS) sheath 18,5 inner surface of stainless steel heat carrier are contacted with transported fluid, and the sintering of stainless steel heat conduction external surface has
Rare earth thick film heating body 6, the both ends of rare earth thick film heating body are equipped with tin plating interface 9, heater are respectively welded at tin plating interface 9
First inserted sheet 12 and the second inserted sheet of heater 13, the fixation of temperature detect switch (TDS) 16 are attached at 6 outer surface of thick film heating body, and temperature detect switch (TDS)
16 the first connection inserted sheet 16.2 is electrically connected by the first connecting line 19 with the first inserted sheet of heater 12, and the second of temperature detect switch (TDS) 16
Connection inserted sheet 16.1 forms electrified regulation circuit with the second inserted sheet of heater 13 by the connection of extraneous power supply.Company in this way
Mode is connect, thick film heater is realized with electric elements and connected, and extraneous power supply connects inserted sheet by connecting the second of temperature detect switch (TDS)
16.1 and the power circuit that is formed of the second inserted sheet of heater 13 heating power is carried out to thick film heater.
As most basic embodiment, thick film heater is loop configuration, encloses pump cover side wall and is taken over water inlet
Between annular opening, water inlet takes over the inner ring for penetrating through thick film heater and is tightly connected therewith, pump cover and thick-film heating
The outer ring of device is tightly connected.
As shown in figures 4-6, there is temperature detect switch (TDS) protective case 18 main body and the bolt extended out from main body both sides to fix
Seat.As shown in figure 4, there is main body the temperature detect switch (TDS) mounting groove 18.4 for accommodating temperature detect switch (TDS) and the first connection for temperature detect switch (TDS) to insert
Second connection inserted sheet of piece and temperature detect switch (TDS) runs through the inserted sheet through-hole 18.2 outside temperature detect switch (TDS) protective case from the inside to the outside, and bolt is solid
Reservation is equipped with the bolt hole 18.1 crossed for bolt-through, leads to as shown in figure 3, stainless steel heat conduction external surface is equipped with bolt
The corresponding nut pedestal 10 in hole.Temperature detect switch (TDS) is installed in temperature detect switch (TDS) mounting groove, is then again passed through temperature detect switch (TDS) protective case
Bolt and nut connector is mounted on stainless steel heat carrier surface.
As shown in figure 14, pump cover further includes an annular thick film protecting cover 22, and thick film protecting cover is led set on thick film heater stainless steel
The outer top of hot body, and there are heat dissipation gap between rare earth thick film heating external surface, thick film protecting cover, which is equipped with, supplies internal electric appliance
The through-hole and clearance position that element is pierced by.
Embodiment two
This example is another embodiment of the heated type water pump with thermel protection device.This example water pump includes containing motor
The pump housing 23, by motor-driven impeller and accommodate impeller pump cover 1.Pump cover is taken over equipped with water inlet and water outlet is taken over, pump
It covers equipped with thick film heater.It is thick that thick film heater in this example unlike embodiment includes stainless steel heat carrier 5, rare earth
Film heater 6, temperature detect switch (TDS) 16, fuse 17 and temperature detect switch (TDS) sheath 18.
5 inner surface of stainless steel heat carrier is contacted with transported fluid, and the sintering of stainless steel heat conduction external surface has rare earth thickness
Film heater 6, the both ends of rare earth thick film heating body are equipped with tin plating interface 9, heater first are respectively welded at tin plating interface 9 and is inserted
Fixation is attached at 6 outer surface of thick film heating body respectively for piece 12 and the second inserted sheet of heater 13, temperature detect switch (TDS) 16 and fuse 17, temperature
First connection inserted sheet 16.2 of control switch 16 is electrically connected by the first connecting line 19 with the first inserted sheet of heater 12, fuse 17
First connection inserted sheet 17.2 is electrically connected by the second conducting wire 20 with the second inserted sheet of heater 13, the second connection inserted sheet of fuse
17.1 connect inserted sheet 16.1 with the second of temperature detect switch (TDS) forms electrified regulation circuit by the connection of extraneous power supply.In this way
Connection mode, thick film heater are realized with electric elements and are connected, and extraneous power supply is inserted by connecting the second connection of temperature detect switch (TDS)
The power circuit that second connection inserted sheet 17.1 of piece 16.1 and fuse is formed carries out heating power to thick film heater.
As shown in Fig. 9~11, there is temperature detect switch (TDS) protective case a main body and the bolt extended out from main body both sides to fix
Seat, main body have the temperature detect switch (TDS) mounting groove 18.4 for accommodating temperature detect switch (TDS) and the fuse mounting groove 18.3 for accommodating fuse, supply
First connection inserted sheet of temperature detect switch (TDS), the second connection inserted sheet of temperature detect switch (TDS), the first connection inserted sheet of fuse, fuse the
Two connection inserted sheets run through the inserted sheet through-hole 18.2 outside temperature detect switch (TDS) protective case from the inside to the outside, and bolt fixed seat is equipped with for bolt
The bolt hole penetrated through, stainless steel heat conduction external surface have nut pedestal corresponding with the bolt hole.
Temperature detect switch (TDS) and fuse are respectively arranged in temperature detect switch (TDS) protective case, are then again passed through temperature detect switch (TDS) protective case
Bolt and nut connector is mounted on stainless steel heat carrier surface.
As shown in figure 14, pump cover further includes an annular thick film protecting cover 22, and thick film protecting cover is led set on thick film heater stainless steel
The outer top of hot body, and there are heat dissipation gap between rare earth thick film heating external surface, thick film protecting cover, which is equipped with, supplies internal electric appliance
The through-hole and clearance position that element is pierced by.
Embodiment three
This example is equipped with the embodiment of tubular heater to be taken in pump cover water inlet.
As shown in figure 15, tubular heater 26, wherein stainless steel heat conduction are installed in the water inlet take over 25.2 of pump cover
Body is cylindrical shape, and rare earth thick film heating body is sintered in the outer surface of cylindrical metallic heat carrier.Temperature detect switch (TDS) 16 is attached at thick film hair
Hot external surface, and it is covered with switch protection set 18.When fluid is taken over by water inlet into pump cover, position is taken in water inlet
It puts and is heated.
Tubular heater can also be mounted on the water outlet take over 25.1 of pump cover.
Example IV
This example is for thick-film type heater 4 with pump cover 1 by being molded the integrally formed assembly method of form.The thick-film type of annular
Heater 4 is pre-fabricated, is put into the mold of pump cover and is molded jointly, and the interior curing of finally shaped pump cover is connected with the thick-film type and adds
Hot device, form the plastics cylindrical part for including upper and lower shape mouth of pump cover, the water inlet positioned at cylindrical part center is taken over and from
The water outlet that cylindrical part extends is taken over, between thick film heater is closed on cylindrical part opening and water inlet takes over,
Water inlet is taken over and cylindrical part integral molded plastic solidified forming is in the inner ring and outer ring of prefabricated annular thick film heater.It is whole
The mode of injection simplifies the assembly connection process of pump cover, also ensures the leakproofness between component.
The utility model includes but is not limited to above-described embodiment and content shown in the drawings, and other all are new with this practicality
The product structure that the technical solution of type has identical essentiality content is each fallen within the scope of protection of the utility model.
Claims (10)
1. a kind of heated type water pump with thermel protection device, including the pump housing containing motor, by motor-driven impeller and appearance
Receive the pump cover of impeller, pump cover is taken over equipped with water inlet and water outlet is taken over, it is characterised in that：Pump cover is equipped with thick-film heating
Device, the thick film heater include metal heat conducting-body, rare earth thick film heating body and temperature detect switch (TDS), metal heat conducting-body inner surface and quilt
The fluid contact of conveying, the sintering of metal heat-conducting external surface have rare earth thick film heating body, and the both ends of rare earth thick film heating body are equipped with
Tin plating interface, tin plating interface are respectively welded the second inserted sheet of the first inserted sheet of heater and heater, and temperature detect switch (TDS), which is fixed, to be attached
In thick film heating external surface, and the first connection inserted sheet of temperature detect switch (TDS) and first inserted sheet of heater are directly or indirectly electric
It connects, the second connection inserted sheet of temperature detect switch (TDS) forms to be powered with second inserted sheet of heater by the connection with extraneous power supply to be added
Hot loop.
2. the heated type water pump according to claim 1 with thermel protection device, it is characterised in that：The temperature detect switch (TDS)
First connection inserted sheet is electrically connected with first inserted sheet of heater by the first conducting element.
3. the heated type water pump according to claim 1 with thermel protection device, it is characterised in that：The thick film heater
A temperature detect switch (TDS) protective case is further included, the temperature detect switch (TDS) protective case has a main body and the bolt extended out from main body both sides
Fixed seat, the main body have the chamber that accommodates temperature detect switch (TDS) and for temperature detect switch (TDS) the first connection inserted sheet and temperature detect switch (TDS) the
Two connection inserted sheets run through the inserted sheet through-hole outside temperature detect switch (TDS) protective case from the inside to the outside, and bolt fixed seat is equipped with for bolt-through
The bolt hole crossed, metal heat-conducting external surface are equipped with nut pedestal corresponding with the bolt hole.
4. the heated type water pump according to claim 1 with thermel protection device, it is characterised in that：The thick film heater
Further include a fuse, fuse fixes the surface for being attached at thick film heating body, and the first connection inserted sheet of fuse passes through the
Two conducting elements are electrically connected with second inserted sheet of heater, the second connection inserted sheet and the second of the temperature detect switch (TDS) of fuse
Connection inserted sheet forms electrified regulation circuit by the connection with extraneous power supply.
5. the heated type water pump according to claim 4 with thermel protection device, it is characterised in that：The thick film heater
A temperature detect switch (TDS) protective case is further included, the temperature detect switch (TDS) protective case has a main body and the bolt extended out from main body both sides
Fixed seat, the main body have the first chamber for accommodating temperature detect switch (TDS), the second chamber for accommodating fuse, for temperature detect switch (TDS)
One connection inserted sheet, temperature detect switch (TDS) second connection inserted sheet, fuse first connection inserted sheet, fuse second connection inserted sheet from
It is interior to the inserted sheet through-hole for running through outside outside temperature detect switch (TDS) protective case, bolt fixed seat is equipped with the bolt crossed for bolt-through and leads to
Hole, metal heat-conducting external surface have nut pedestal corresponding with the bolt hole.
6. the heated type water pump according to claim 1 with thermel protection device, it is characterised in that：Pump cover side wall and water inlet
Annular opening between mouth is taken over is closed by the thick film heater of annular, and water inlet takes over the inner ring for penetrating through thick film heater
And be tightly connected therewith, the outer ring of pump cover and thick film heater is tightly connected.
7. the heated type water pump according to claim 1 with thermel protection device, it is characterised in that：Thick film heater is set
It is taken in water inlet or water outlet is taken over, metal heat conducting-body is tubulose, and rare earth thick film heating body is sintered in tubular metal heat carrier
Outer surface.
8. the heated type water pump according to claim 1 with thermel protection device, it is characterised in that：The pump cover is by prefabricated
Annular thick film heater and injection curing be connected to annular thick film heater plastic casing form, plastic casing include up and down
The water outlet that the cylindrical part of opening, the water inlet positioned at cylindrical part center are taken over and extended from cylindrical part is taken over,
Between thick film heater is closed on cylindrical part opening and water inlet takes over, water inlet is taken over and cylindrical part integral molded plastic is consolidated
Change the inner ring and outer ring for forming in prefabricated annular thick film heater.
9. the heated type water pump according to claim 1 with thermel protection device, it is characterised in that：It is described to carry Thermal protection
The heated type water pump of device further includes an annular thick film protecting cover, and thick film protecting cover is set on the outside upper of thick film heater metal heat conducting-body
Side, and there are heat dissipation gap between rare earth thick film heating external surface, thick film protecting cover, which is equipped with, supplies what internal electric elements were pierced by
Through-hole and clearance position.
10. the heated type water pump according to claim 1 with thermel protection device, it is characterised in that：Rare earth thick film heating
Body upper surface is covered with one layer of heat preservation cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721481772.7U CN207513939U (en) | 2017-11-08 | 2017-11-08 | A kind of heated type water pump with thermel protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721481772.7U CN207513939U (en) | 2017-11-08 | 2017-11-08 | A kind of heated type water pump with thermel protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513939U true CN207513939U (en) | 2018-06-19 |
Family
ID=62537572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721481772.7U Active CN207513939U (en) | 2017-11-08 | 2017-11-08 | A kind of heated type water pump with thermel protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207513939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743796A (en) * | 2019-03-01 | 2019-05-10 | 佛山市沃熙电器科技有限公司 | A kind of thick-film heating device assembly |
| CN109826827A (en) * | 2019-03-04 | 2019-05-31 | 贝克电热科技（深圳）有限公司 | A kind of integrated heating device and household electrical appliance |
-
2017
- 2017-11-08 CN CN201721481772.7U patent/CN207513939U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743796A (en) * | 2019-03-01 | 2019-05-10 | 佛山市沃熙电器科技有限公司 | A kind of thick-film heating device assembly |
| CN109743796B (en) * | 2019-03-01 | 2024-05-24 | 佛山市百斯特电器科技有限公司 | Household appliance |
| CN109826827A (en) * | 2019-03-04 | 2019-05-31 | 贝克电热科技（深圳）有限公司 | A kind of integrated heating device and household electrical appliance |
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Address after: 529040 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee after: Hanyu Group Co., Ltd. Address before: 529000 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee before: Jiangmen Idear-hanyu Electrical Joint-stock Co., Ltd. |