CN209915717U - Instant heating type water dispenser - Google Patents
Instant heating type water dispenser Download PDFInfo
- Publication number
- CN209915717U CN209915717U CN201821963384.7U CN201821963384U CN209915717U CN 209915717 U CN209915717 U CN 209915717U CN 201821963384 U CN201821963384 U CN 201821963384U CN 209915717 U CN209915717 U CN 209915717U
- Authority
- CN
- China
- Prior art keywords
- water outlet
- lamination
- heat exchange
- valve core
- hot water
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 225
- 238000010438 heat treatment Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 238000003475 lamination Methods 0.000 claims description 69
- 230000001105 regulatory effect Effects 0.000 claims description 26
- 230000035622 drinking Effects 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Devices For Dispensing Beverages (AREA)
Abstract
The utility model relates to an instant heating type watering device, including the heat transfer main part, heat transfer main part top is equipped with faucet, hot water delivery port and warm water delivery port, and its bottom is equipped with cold water inlet, cold water delivery port and hot water inlet, and its inside center is equipped with the hot water passageway of intercommunication hot water inlet and hot water delivery port, and its inside periphery is equipped with circuitous first heat transfer chamber and the second heat transfer chamber that just hugs closely each other in succession, and first heat transfer chamber intercommunication cold water inlet and cold water delivery port, second heat transfer chamber intercommunication hot water inlet and warm water delivery port, hot water delivery port and warm water delivery port and faucet intercommunication, be equipped with liquid heater between cold water delivery port and the hot. The utility model discloses realize providing the function of hot water, low temperature warm water, high temperature warm water to the user.
Description
Technical Field
The utility model relates to an instant heating type watering device.
Background
There are drinking water devices many, like tea tray, water dispensers etc. most drinking water devices can only provide hot water to the user, and also some drinking water devices can provide the warm water to the user, and the mode of providing of warm water mainly has two kinds, and the first kind sets up the storage water tank, pours into the storage water tank in advance the boiling water and lets cool, and the heat that the boiling water had when letting cool runs off in the atmosphere, and the second kind sets up refrigeration component, and the cooling is cooled down to the first refrigeration before the output warm water, and refrigeration needs extra electric drive, and the energy consumption increases.
Therefore, when warm water is provided for a user in the prior art, the heat of the hot water is not utilized, and the energy consumption of the whole machine is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide an instant heating type watering device, it can become the warm water through boiling water and cold water heat transfer, absorbs the heat of boiling water through cold water, reduces the complete machine energy consumption.
The purpose of the utility model is realized like this:
the utility model provides an instant heating type watering device, includes the heat transfer main part, heat transfer main part top is equipped with faucet, hot water delivery port and warm water delivery port, and its bottom is equipped with cold water inlet, cold water delivery port and hot water inlet, and its inside center is equipped with the hot water passageway of intercommunication hot water inlet and hot water delivery port, and its inside periphery is equipped with first heat transfer chamber and the second heat transfer chamber of circuitous and hugging closely each other in succession, and first heat transfer chamber intercommunication cold water inlet and cold water delivery port, second heat transfer chamber intercommunication hot water inlet and warm water delivery port, hot water delivery port and warm water delivery port and faucet intercommunication, be equipped with liquid heater between cold water delivery port.
The first heat exchange cavity and the second heat exchange cavity are respectively continuously and roundly wound upwards and are stacked at intervals.
The first heat exchange cavity and the second heat exchange cavity are formed by a plurality of groups of lamination units arranged in the heat exchange main body at intervals, each group of lamination units is formed by continuously laminating a lower lamination, a middle lamination and an upper lamination, the lower lamination and the upper lamination are mutually covered, the outer side parts of the lower lamination and the upper lamination form a continuously circuitous first heat exchange cavity, and the middle lamination is arranged between the lower lamination and the upper lamination so that the inner side parts of the middle lamination and the upper lamination form a continuously circuitous second heat exchange cavity.
The cross sections of the lower lamination and the upper lamination are in an inverted zigzag shape, the head part of the lower lamination faces outwards, and the tail part of the upper lamination faces outwards so that the lower lamination and the upper lamination can be mutually supported, stacked and sealed.
The middle part of the middle lamination corresponding to the heat exchange main body is provided with a wedge block with an inverted zigzag cross section, and the wedge block of the middle lamination positioned above is inserted into the wedge block of the middle lamination positioned below to be overlapped.
And a water return channel is arranged between the outer side part of the wedge block and the outer side part of the hot water channel, and the water return channel is communicated with the second heat exchange cavity positioned at the top and the cold water outlet.
Regulating valves are arranged among the hot water outlet, the warm water outlet and the water outlet nozzle.
The regulating valve comprises a valve body, a valve core arranged in the regulating valve in a rotating mode and a regulating part driving the valve core to rotate, the water outlet nozzle is communicated with the valve body, the valve core is provided with a first valve core channel communicated with the hot water outlet and a second valve core channel communicated with the warm water outlet, and the regulating part drives the valve core to rotate so that the first valve core channel or the second valve core channel is communicated with the water outlet nozzle or the water outlet nozzle is closed.
The regulating valve also comprises a temperature regulating valve core sleeved between the valve core and the valve body, an arc-shaped opening is circumferentially arranged on the side part of the temperature regulating valve core, one end of the arc-shaped opening is communicated with the water outlet nozzle, and the regulating part drives the valve core to rotate, so that the first valve core channel or the second valve core channel is communicated with the arc-shaped opening, or the first valve core channel and the second valve core channel are partially communicated with the arc-shaped opening, or the water outlet nozzle is closed.
The instant heating type water dispenser comprises a host provided with a containing cavity, a heat exchange main body is arranged in the containing cavity, a cold water inlet is communicated with the containing cavity, a water outlet and a water inlet which are communicated with the containing cavity are arranged at the bottom of the host, the water outlet is communicated with the cold water outlet, the water inlet is communicated with a hot water inlet, and a liquid heater is arranged outside the host and is communicated with the water outlet and the water inlet.
The utility model has the advantages that:
the hot water heated by the liquid heater can directly output boiled water to the water outlet nozzle through the hot water outlet, can also directly output low-temperature warm water after heat exchange between the boiled water and cold water to the water outlet nozzle through the warm water outlet, and can also output the high-temperature warm water after mixing the boiled water and the warm water to the water outlet nozzle through the hot water outlet and the warm water outlet, thereby realizing the functions of providing hot water, low-temperature warm water and high-temperature warm water for users.
An adjusting valve can be arranged among the water outlet nozzle, the hot water outlet and the warm water outlet, so that the functions of switching hot water and warm water and adjusting the temperature of the warm water are realized.
The utility model discloses a heat transfer main part is the modularized design, can directly use on all kinds of watering devices.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 3 is a half sectional view of a valve cartridge according to a second embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a third embodiment of the present invention.
Fig. 5 is an exploded view of a third embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
First embodiment
Referring to fig. 1, the instant heating type water dispenser comprises a heat exchange main body 1, wherein a water outlet nozzle 10, a hot water outlet 11 and a warm water outlet 12 are arranged at the top of the heat exchange main body 1, a cold water inlet 13, a cold water outlet 14 and a hot water inlet 15 are arranged at the bottom of the heat exchange main body, a hot water channel 16 communicating the hot water inlet 15 with the hot water outlet 11 is arranged at the center of the heat exchange main body, a first heat exchange cavity 17 and a second heat exchange cavity 18 which are continuously circuitous and tightly attached to each other are arranged at the periphery of the heat exchange main body, the first heat exchange cavity 17 is communicated with the cold water inlet 13 and the cold water outlet 14, the second heat exchange cavity 18 is communicated with the hot water inlet 15 and the warm water outlet 12, the hot water outlet 11.
When the water heater works, the liquid heater 2 heats water into boiled water, the boiled water is shunted to the second heat exchange cavity 18 or the hot water channel 16 through the hot water inlet 15, if the boiled water is output to the hot water outlet 11 through the hot water channel 16, then the boiled water is provided for a user through the water outlet 10, as shown by a hot water indication line in the figure, if the boiled water is output to the warm water outlet 12 through the second heat exchange cavity 18, as shown by a warm water indication line in the figure, cold water enters the first heat exchange cavity 17 from the cold water outlet 14 in the output process, as shown by a cold water indication line in the figure, the heat of the boiled water is transferred to the cold water through the second heat exchange cavity 18 and the first heat exchange cavity 17, the temperature of the cold water is increased, the temperature of the cold water is also reduced to be warm water with lower temperature, the cold water is provided for the user through the water outlet 10, the heat temperature of the boiled water is recovered by the, the energy consumption is reduced, the energy consumption of the whole machine is reduced, the purposes of energy saving and consumption reduction are achieved, if boiled water is output to the hot water outlet 11 and the warm water outlet 12 through the hot water channel 16 and the second heat exchange cavity 18 at the same time, the boiled water is mixed and then flows out through the water outlet nozzle 10, and then warm water with higher temperature is provided for a user.
Further, the first heat exchange cavity 17 and the second heat exchange cavity 18 are respectively continuously and roundly wound upwards and are stacked at intervals, the length of water flowing through the first heat exchange cavity 17 and the second heat exchange cavity 18 is increased in a limited space, the water retention time is prolonged, and the heat exchange effect is improved.
Further, the first heat exchange cavity 17 and the second heat exchange cavity 18 are formed by a plurality of groups of lamination units arranged in the heat exchange body 1 at intervals, each group of lamination units is formed by continuously laminating a lower lamination 31, a middle lamination 32 and an upper lamination 33, the lower lamination 31 and the upper lamination 33 are mutually covered, the outer sides of the lower lamination 31 and the upper lamination 33 form the continuously circuitous first heat exchange cavity 17, the middle lamination 32 is arranged between the lower lamination 31 and the upper lamination 33, the inner sides of the lower lamination 31 and the upper lamination 33 form the continuously circuitous second heat exchange cavity 18, and the lengths of water flowing through the first heat exchange cavity 17 and the second heat exchange cavity 18 are further increased by stacking more layers of lamination units, so that the water drinking device can also adapt to more water drinking devices with different sizes.
Further, the lower lamination 31 and the upper lamination 33 have inverted zigzag cross sections, which are preferably formed by punching and pressing metal sheets, with the head of the lower lamination 31 facing outward and the tail of the upper lamination 33 facing outward so that the two are supported and stacked on each other and sealed by conventional sealing rings, welding, gluing, and the like, thereby satisfying the rapid assembly and stacking of the lamination unit.
Further, the middle part of the middle lamination 32 corresponding to the heat exchange body 1 is provided with a wedge 321 with an inverted zigzag cross section, and the wedge 321 of the upper middle lamination 32 is inserted into the wedge 321 of the lower middle lamination 32 for stacking, so that the rapid assembly and stacking of the lamination units are satisfied.
Further, return water channel 19 between the outside portion of wedge 321 and the hot water passageway outside portion, return water channel 19 intercommunication is located the second heat exchange chamber 18 and the cold water outlet 14 of the top, and this technical scheme make full use of space in the heat transfer main part 1, and the structure is compacter.
Second embodiment
Referring to fig. 2-3, the instant heating type drinking device is mainly different from the first embodiment in that adjusting valves are arranged between the hot water outlet 11, the warm water outlet 12 and the water outlet nozzle 10. The regulating valve comprises a valve body 41, a valve core 42 rotatably arranged in the regulating valve and a regulating part 43 (a mechanical regulator or an electric regulator can be adopted) driving the valve core 42 to rotate, the water outlet nozzle 10 is communicated with the valve body 41, the valve core 42 is provided with a first valve core channel 421 communicated with the hot water outlet 11 and a second valve core channel 422 communicated with the warm water outlet 12, the regulating part 43 drives the valve core 42 to rotate, so that the first valve core channel 421 or the second valve core channel 422 is communicated with the water outlet nozzle 10 (the first valve core channel 421 is communicated with the water outlet nozzle 10 to provide hot water, and the second valve core channel 422 is communicated with the water outlet nozzle 10 to provide warm water), or the water outlet nozzle 10 is closed (namely water supply is stopped, the instant heating type water dispenser is closed), and the function of providing instant heating type boiled water or low-temperature warm water for.
Third embodiment
Referring to fig. 4-5, the instant heating type drinking device mainly differs from the second embodiment in that the regulating valve further includes a temperature regulating valve core 44 sleeved between the valve core 42 and the valve body 41, an arc-shaped opening 441 is circumferentially arranged on a side portion of the temperature regulating valve core 44, one end of the arc-shaped opening 441 is communicated with the water outlet nozzle 10, the regulating portion 43 drives the valve core 42 to rotate, so that the first valve core passage 421 or the second valve core passage 422 is communicated with the arc-shaped opening 441, or the first valve core passage 421 and the second valve core passage 422 are partially communicated with the arc-shaped opening 441, and by changing a ratio of the first valve core passage 421 and the second valve core passage 422 to the arc-shaped opening 441, the adjustment of the temperature of the warm water is realized, or the water outlet nozzle 10 is closed, which can be understood by those skilled in the.
In addition, the instant heating type water dispenser comprises a host 5 provided with a cavity 50, wherein the heat exchange main body 1 is installed in the cavity 50, the cold water inlet 13 is communicated with the cavity 50, the bottom of the host 5 is provided with a water outlet 51 and a water inlet 52 communicated with the cavity, the water outlet 51 is communicated with the cold water outlet 14, the water inlet 52 is communicated with the hot water inlet 15, and the liquid heater 2 is arranged outside the host 5 and is communicated with the water outlet 51 and the water inlet 52.
The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.
Claims (10)
1. An instant heating type drinking device, which comprises a heat exchange main body (1) and is characterized in that the top of the heat exchange main body (1) is provided with a water outlet nozzle (10), a hot water outlet (11) and a warm water outlet (12), the bottom of the water tank is provided with a cold water inlet (13), a cold water outlet (14) and a hot water inlet (15), a hot water channel (16) communicated with the hot water inlet (15) and the hot water outlet (11) is arranged at the center of the inner part of the water tank, a first heat exchange cavity (17) and a second heat exchange cavity (18) which are continuously circuitous and are tightly attached to each other are arranged on the periphery of the inner part of the heat exchanger, the first heat exchange cavity (17) is communicated with a cold water inlet (13) and a cold water outlet (14), the second heat exchange cavity (18) is communicated with a hot water inlet (15) and a warm water outlet (12), the hot water outlet (11) and the warm water outlet (12) are communicated with a water outlet nozzle (10), and a liquid heater (2) is arranged between the cold water outlet (14) and the hot water inlet (15).
2. The tankless water dispenser of claim 1, further comprising: the first heat exchange cavity (17) and the second heat exchange cavity (18) are respectively continuously and roundly wound upwards and are stacked at intervals.
3. The tankless water dispenser of claim 1, further comprising: the heat exchanger is characterized in that the first heat exchange cavity (17) and the second heat exchange cavity (18) are formed by a plurality of groups of lamination units arranged in the heat exchange main body (1) at intervals, each group of lamination unit is formed by continuously laminating a lower lamination (31), a middle lamination (32) and an upper lamination (33), the lower lamination (31) and the upper lamination (33) are mutually covered, the outer sides of the lower lamination and the inner part of the heat exchange main body (1) form a continuously circuitous first heat exchange cavity (17), and the middle lamination (32) is arranged between the lower lamination (31) and the upper lamination (33) to enable the inner sides of the lower lamination and the upper lamination to form a continuously circuitous second heat exchange cavity (18).
4. The tankless water dispenser of claim 3, further comprising: the sections of the lower lamination (31) and the upper lamination (33) are inverted zigzag, the head part of the lower lamination (31) faces outwards, and the tail part of the upper lamination (33) faces outwards so that the lower lamination and the upper lamination can be mutually supported, stacked and sealed.
5. The tankless water dispenser of claim 3, further comprising: the middle part of the middle lamination (32) corresponding to the heat exchange main body (1) is provided with a wedge-shaped block (321) with an inverted zigzag section, and the wedge-shaped block (321) of the middle lamination (32) positioned above is inserted into the wedge-shaped block (321) of the middle lamination (32) positioned below for overlapping.
6. The tankless water dispenser of claim 5, further comprising: return water passageway (19) between the outside portion of wedge (321) and the hot water passageway outside portion, return water passageway (19) intercommunication is located second heat exchange chamber (18) and cold water outlet (14) of the top.
7. The tankless water dispenser of any of claims 1 to 6, further comprising: regulating valves are arranged between the hot water outlet (11), the warm water outlet (12) and the water outlet nozzle (10).
8. The tankless water dispenser of claim 7, further comprising: the regulating valve comprises a valve body (41), and a regulating part (43) which is rotatably arranged on an inner valve core (42) of the regulating valve and drives the valve core (42) to rotate, the water outlet nozzle (10) is communicated with the valve body (41), the valve core (42) is provided with a first valve core channel (421) communicated with the hot water outlet (11) and a second valve core channel (422) communicated with the warm water outlet (12), and the regulating part (43) drives the valve core (42) to rotate, so that the first valve core channel (421) or the second valve core channel (422) is communicated with the water outlet nozzle (10), or the water outlet nozzle (10) is closed.
9. The tankless water dispenser of claim 7, further comprising: the regulating valve further comprises a temperature regulating valve core (44) sleeved between the valve core (42) and the valve body (41), an arc-shaped opening (441) is circumferentially arranged at the side part of the temperature regulating valve core (44), one end of the arc-shaped opening (441) is communicated with the water outlet nozzle (10), and the regulating part (43) drives the valve core (42) to rotate, so that the first valve core channel (421) or the second valve core channel (422) is communicated with the arc-shaped opening (441), or the first valve core channel (421) and the second valve core channel (422) are partially communicated with the arc-shaped opening (441), or the water outlet nozzle (10) is closed.
10. The tankless water dispenser of any of claims 1 to 6, further comprising: instant heating type watering device installs in holding chamber (50) including being equipped with host computer (5) that hold chamber (50), heat transfer main part (1), cold water inlet (13) and holding chamber (50) intercommunication, host computer (5) bottom is equipped with delivery port (51) and water inlet (52) that communicate with holding chamber, delivery port (51) and cold water delivery port (14) intercommunication, water inlet (52) and hot water inlet (15) intercommunication, and liquid heater (2) set up in host computer (5) outside to communicate with delivery port (51) and water inlet (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821963384.7U CN209915717U (en) | 2018-11-26 | 2018-11-26 | Instant heating type water dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821963384.7U CN209915717U (en) | 2018-11-26 | 2018-11-26 | Instant heating type water dispenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209915717U true CN209915717U (en) | 2020-01-10 |
Family
ID=69064844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821963384.7U Active CN209915717U (en) | 2018-11-26 | 2018-11-26 | Instant heating type water dispenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209915717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545658A (en) * | 2020-04-23 | 2021-10-26 | 宁波方太厨具有限公司 | Steam box |
-
2018
- 2018-11-26 CN CN201821963384.7U patent/CN209915717U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113545658A (en) * | 2020-04-23 | 2021-10-26 | 宁波方太厨具有限公司 | Steam box |
| CN113545658B (en) * | 2020-04-23 | 2022-08-02 | 宁波方太厨具有限公司 | Steam box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202015055U (en) | Drinking fountain providing warm water | |
| EP2467660B1 (en) | Temperature control system for a liquid | |
| CN107621186B (en) | Hot water quick cooling module and device based on phase change material | |
| AU2010249928A1 (en) | Thermal energy storage apparatus | |
| CN209915717U (en) | Instant heating type water dispenser | |
| CN203815284U (en) | Instant heating type drinking water device | |
| EP2690370B1 (en) | Water dispenser | |
| CN209436968U (en) | A kind of water dispenser | |
| US11519675B1 (en) | Heating system | |
| CN217013574U (en) | Temperature control kettle module | |
| CN212566277U (en) | Quick-heating and heat-storage integrated electric water heater | |
| CN204765061U (en) | Novel air can water dispenser | |
| CN204438524U (en) | Bearing type water tank and displacement type water heater | |
| JP5982635B2 (en) | Heat pump water heater | |
| CN202136177U (en) | Quick heat exchange structure of water dispenser | |
| CN216797344U (en) | Double-vortex heat exchanger | |
| TWM504216U (en) | Water dispenser with thermal cycling and temperature regulating function | |
| CN211609266U (en) | Instant heating water dispenser | |
| CN221569645U (en) | Water outlet device and water purifying equipment | |
| US20230077758A1 (en) | Heating system | |
| CN215637962U (en) | Take heat exchanger's boiler holding water tank | |
| CN216984540U (en) | Quick-open type drinking water equipment capable of continuously discharging water | |
| CN218821777U (en) | Heat exchanger | |
| CN211575534U (en) | Air energy water heater | |
| CN108759531A (en) | High thermal efficiency plate heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An instant drinking water device Effective date of registration: 20210715 Granted publication date: 20200110 Pledgee: Agricultural Bank of China Limited Shunde Ronggui sub branch Pledgor: GUANGDONG JIBAO ELECTRICAL APPLIANCE TECHNOLOGY Co.,Ltd. Registration number: Y2021980006213 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200110 Pledgee: Agricultural Bank of China Limited Shunde Ronggui sub branch Pledgor: GUANGDONG JIBAO ELECTRICAL APPLIANCE TECHNOLOGY Co.,Ltd. Registration number: Y2021980006213 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |