CN105910271A - Wall-mounted stove - Google Patents
Wall-mounted stove Download PDFInfo
- Publication number
- CN105910271A CN105910271A CN201610349322.6A CN201610349322A CN105910271A CN 105910271 A CN105910271 A CN 105910271A CN 201610349322 A CN201610349322 A CN 201610349322A CN 105910271 A CN105910271 A CN 105910271A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- pipeline
- wall
- hung boiler
- heat
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 206010053615 Thermal burn Diseases 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/14—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention provides a wall-mounted furnace. The wall-mounted furnace comprises a first heat exchanger, a second heat exchanger and a heat exchange device, wherein the first heat exchanger comprises a first heat exchange channel and a second heat exchange channel; a second heat exchanger; the water inlet pipeline is connected with a water inlet of a fourth heat exchange channel of the second heat exchanger; the water outlet pipeline is connected with a water outlet of a fourth heat exchange channel of the second heat exchanger; the first pipeline is connected with the first heat exchange channel of the first heat exchanger and the third heat exchange channel of the second heat exchanger to form a circulating loop; and the second pipeline is connected with the second heat exchange channel in series, the inlet end of the second pipeline is connected with the water inlet pipeline, and the outlet end of the second pipeline is connected with the water outlet pipeline. In the wall-mounted furnace, the hot water in the water outlet pipeline is formed by mixing the water outlet of the second heat exchanger and the water outlet of the second pipeline, and the water outlet of the second pipeline is directly heated by the second heat exchange channel of the first heat exchanger, so that the temperature rise speed of the water outlet pipeline is higher than that of the water outlet of the second heat exchanger, the temperature rise speed of the whole water outlet pipeline is increased, and the temperature rise time is shortened.
Description
Technical field
The present invention relates to technical field of electric appliances, in particular to a kind of wall-hung boiler.
Background technology
In prior art, burnt gas wall hanging furnace provide domestic hot-water time, system detect water-flow signal and
When meeting entry condition, ignition of starting shooting, begin to warm up domestic water.Domestic water is heated
Cheng Zhong, water temperature is increased to design temperature it is generally required to the time of about 30s, due in this heating process
The time of the use requirement that water temperature reaches user is longer, and user is often let go a part of cold water, wave
Water wasting resource.
Meanwhile, burnt gas wall hanging furnace is during providing domestic hot-water, and opening other faucet may
Causing tap water pipe network hydraulic pressure bust, the situation that discharge reduces occurs, the now water temperature of domestic hot-water
Can drastically raise.Although wall-hung boiler can automatically adjust according to water temperature situation of change, but regulated
Journey has certain hysteresis quality, and the comfortableness of domestic hot-water is deteriorated, and excessive being also possible to of temperature rise scalds user,
There is potential safety hazard.
Summary of the invention
It is desirable to provide a kind of wall-hung boiler, to improve leaving water temperature when wall-hung boiler enables, shorten
Temperature rising-time.
For achieving the above object, the invention provides a kind of wall-hung boiler and include: First Heat Exchanger, including
First heat exchanger channels and the second heat exchanger channels；Second heat exchanger, changes including the 3rd heat exchanger channels and the 4th
The passage of heat；Inlet pipeline, is connected with the water inlet of the 4th heat exchanger channels of the second heat exchanger；Outlet pipe
Road, is connected with the outlet of the 4th heat exchanger channels of the second heat exchanger；First pipeline, connects first and changes
First heat exchanger channels of hot device and the 3rd heat exchanger channels of the second heat exchanger also form closed circuit；And
Second pipeline, connects with the second heat exchanger channels, and the entrance point of the second pipeline is connected with inlet pipeline,
The port of export of the second pipeline is connected with outlet pipeline.
Further, wall-hung boiler also includes the bypass valve being arranged in series on the second pipeline.
Further, bypass valve is Water flow adjusting valve.
Further, wall-hung boiler also includes that the discharge being arranged on inlet pipeline and/or the second pipeline passes
Sensor.
Further, wall-hung boiler also includes the water pump being arranged on the first pipeline.
Further, wall-hung boiler also includes and the expansion tank of the first pipeline connection.
Further, First Heat Exchanger is put in fork arrangement.
Further, wall-hung boiler also includes the burner being arranged on below First Heat Exchanger, the first heat exchange
Device includes row's heat exchanger and lower row's heat exchanger；Upper row's heat exchanger includes form the second heat exchanger channels
Two heat exchanging pipes and the second heat exchange fin coordinated with the second heat exchanging pipe；Lower row's heat exchanger includes being formed
First heat exchanging pipe of the first heat exchanger channels and the first heat exchange fin coordinated with the first heat exchanging pipe.
Further, the second heat exchanger is plate type heat exchanger.
Further, wall-hung boiler also includes that the interface that heats, heating interface include that being arranged on the first heat exchange leads to
Heating on first pipeline in downstream, road exports and is arranged on described first heat exchanger channels upstream side
Heating import on first pipeline.
In the wall-hung boiler of the present invention, lead to by arranging the second heat exchange in First Heat Exchanger in wall-hung boiler
Road, arranges the second pipeline and the series connection of the second heat exchanger channels, and the entrance point of the second pipeline is with inlet pipeline even
Connecing, the port of export of the second pipeline is connected with outlet pipeline, and during work, in outlet pipeline, hot water is by second
The water outlet of heat exchanger and the water outlet of the second pipeline mix, owing to the water outlet of the second pipeline is changed by first
Second heat exchanger channels of hot device directly heats, and its programming rate is higher than the intensification of the water outlet of the second heat exchanger
Speed, thus improve the programming rate of whole outlet pipeline, shorten temperature rising-time.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, the present invention
Schematic description and description be used for explaining the present invention, be not intended that inappropriate limitation of the present invention.
In the accompanying drawings:
Fig. 1 is the schematic diagram of the wall-hung boiler according to the present invention；
Fig. 2 is the structural representation of the First Heat Exchanger according to the present invention；
Fig. 3 is the right TV structure schematic diagram of First Heat Exchanger shown in Fig. 2.
Wherein, being labeled as in above-mentioned accompanying drawing:
10, First Heat Exchanger；105, the first heat exchanging pipe；107, the second heat exchanging pipe；11,
Two heat exchangers；13, inlet pipeline；15, outlet pipeline；17, the first pipeline；19, the second pipeline；
21, Water flow adjusting valve；23, water flow sensor；25, water pump；27, expansion tank；29、
Heating interface；331, burner.
Detailed description of the invention
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As it is shown in figure 1, wall-hung boiler according to embodiments of the present invention includes: First Heat Exchanger 10, first
Heat exchanger 10 includes the first heat exchanger channels and the second heat exchanger channels；Second heat exchanger 11, second changes
Hot device 11 includes the 3rd heat exchanger channels and the 4th heat exchanger channels；Inlet pipeline 13, with the second heat exchange
The water inlet of the 4th heat exchanger channels of device 11 connects；Outlet pipeline 15, with the of the second heat exchanger 11
The outlet of four heat exchanger channels connects；First pipeline 17, connects the first heat exchange of First Heat Exchanger 10
Passage and the 3rd heat exchanger channels of the second heat exchanger 11 also form closed circuit；And second pipeline 19,
Connect with the second heat exchanger channels, and the entrance point of the second pipeline 19 is connected with inlet pipeline 13, second
The port of export of pipeline 19 is connected with outlet pipeline 15.Thus in the wall-hung boiler of the present invention, by
Wall-hung boiler arranges in First Heat Exchanger 10 second heat exchanger channels, the second pipeline 19 is set and changes with second
The passage of heat is connected, and the entrance point of the second pipeline 19 is connected with inlet pipeline 13, the second pipeline 19
The port of export is connected with outlet pipeline 15, and during work, in outlet pipeline 15, hot water is by the second heat exchanger 11
Water outlet and the water outlet of the second pipeline 19 mix, owing to the water outlet of the second pipeline 19 is changed by first
Second heat exchanger channels of hot device 10 directly heats, and its programming rate is higher than the water outlet of the second heat exchanger 11
Programming rate, thus improve the programming rate of whole outlet pipeline 15, shorten temperature rising-time.
On the other hand, after the second pipeline 19 shunting, the water of the second heat exchanger 11 the 4th heat exchanger channels is flowed through
Amount reduces, and can improve the hot water temperature after the second heat exchanger 11 heat exchange equally, promote further
Mixed leaving water temperature, shortens temperature rising-time, and user can reduce the discharge capacity of cold water in use,
Using water wisely.
It should be noted that, at the first heat exchanger channels and the water of the second heat exchanger channels of First Heat Exchanger 10
Heat absorption, in the water heat release of the 3rd heat exchanger channels of the second heat exchange 11, changes in the 4th of the second heat exchange 11
Water in the passage of heat is heated by the water of the 3rd heat exchanger channels.
Specifically, in conjunction with Fig. 2 and Fig. 3, the First Heat Exchanger 10 in the embodiment of the present invention is copper pipe copper
Finned heat exchanger, is correspondingly arranged on burner 331, First Heat Exchanger 10 below First Heat Exchanger 10
Put in fork arrangement along flow of flue gas direction, increase flue gas disturbance, enhanced heat exchange.
More specifically, First Heat Exchanger 10 includes row's heat exchanger and lower row's heat exchanger, upper row's heat exchange
Device includes the second heat exchanging pipe 107 forming the second heat exchanger channels and coordinates with the second heat exchanging pipe 107
The second heat exchange fin, the second heat exchanging pipe 107 is provided with for being connected with the second pipeline 19
Pipe joint.For the second heat exchanging pipe 107 in upper row's heat exchanger, the second heat exchanging pipe 107 and
Two pipelines 19 all could be arranged to parallel flow paths, to shorten the flow process of water, it is achieved rapid hot water output,
Improve leaving water temperature when wall-hung boiler enables.Lower row's heat exchanger includes forming the first of the first heat exchanger channels
Heat exchanging pipe 105 and the first heat exchange fin coordinated with the first heat exchanging pipe 105, the first heat exchanging pipe
The pipe joint for being connected it is again provided with the first heat exchanging pipe 105 on 105.First heat exchange is led to
Road is arranged on lower row, and near burner 331, heats is more preferable.And the present invention is embodied as
The second heat exchanger 11 in example, the second heat exchanger 11 is plate type heat exchanger.
Preferably, the wall-hung boiler in the embodiment of the present invention also includes being arranged in series on the second pipeline 19
Bypass valve, the bypass valve in the embodiment of the present invention is preferably Water flow adjusting valve 21, passes through discharge
Regulation valve 21 controls to flow through the discharge in the second pipeline 19, increases or reduce discharge, Ke Yishi
Reveal the control of the temperature of water lines 15 water outlet.
As it is shown in figure 1, wall-hung boiler also includes the water flow sensor 23 being arranged on inlet pipeline 13.
Water flow sensor 23 is combined with Water flow adjusting valve 21, thus at tap water pipe network hydraulic pressure bust,
When the situation that discharge reduces occurs, can detect that discharge reduces by water flow sensor 23,
Thus control Water flow adjusting valve 21 and reduce or cut off the current in the second pipeline 19, reduce water outlet
Temperature, it is to avoid temperature rise excessive scald user.Such as, when using domestic hot-water, if discharge is dashed forward
So reducing, when water flow sensor 23 detects that discharge declines 20% in 2s, discharge is adjusted
Joint valve 21 cuts out, and cold water is no longer pass through heat exchange of the second heat exchanger channels of First Heat Exchanger 10, entirely
Portion flows through the second heat exchanger 11 and carries out secondary heat exchange, thus reduces the discharge in the second heat exchanger 11
Fluctuation, reduces the amplitude that secondary heat exchange leaving water temperature raises, in addition without through the second pipeline 19
The mixing of heat exchange high-temperature water, domestic hot-water's leaving water temperature will relatively be stablized, improve domestic hot-water
Comfortableness, reduce the excessive generation of temperature rise potential safety hazard.When water flow sensor 23 detects again
To discharge in 2s, rise 20% time, Water flow adjusting valve 21 reopens inlet pipeline 13
Shunt, reduce the amplitude that domestic hot-water's leaving water temperature reduces, improve comfortableness.
In another embodiment, inlet pipeline 13 and the second pipeline 19 are provided with discharge sensing
Device 23, or only on the second pipeline 19, it is provided with water flow sensor 23, equally detect
Hydraulic pressure bust, the corresponding Water flow adjusting valve 21 that controls reduces or cuts off the water in the second pipeline 19
Stream, reduces leaving water temperature, it is achieved water temperature controls, it is to avoid temperature rise excessive scald user.
As it is shown in figure 1, the wall-hung boiler in the embodiment of the present invention also includes being arranged on the first pipeline 17
Water pump 25, water pump 25 can drive the first heat exchange in the first pipeline 17 and First Heat Exchanger 10
Water flowing in the closed circuit that the 3rd heat exchanger channels in passage and the second heat exchanger 11 is constituted,
By controlling the flowing velocity of water in this closed circuit, heat exchange can be accelerated, improve leaving water temperature.
Preferably, the wall-hung boiler in the embodiment of the present invention also includes the expansion connected with the first pipeline 17
Water tank 27, for housing and the swell increment of water in compensation cycle loop, prevents from pressing in the first pipeline 17
Power is excessive.
Preferably for the wall-hung boiler in above-described embodiment, wall-hung boiler also includes the interface 29 that heats,
Heating interface 29 includes the heating outlet being arranged on first pipeline 17 in the first heat exchanger channels downstream
With the heating import on described first pipeline 17 being arranged on the first heat exchanger channels upstream side.Thus this
The wall-hung boiler of invention except from outlet pipeline 15 water outlet for the use of domestic hot-water, additionally it is possible to full
The demand of foot radiator hot water.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for
For those skilled in the art, the present invention can have various modifications and variations.All essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention
Protection domain within.
Claims (10)
1. a wall-hung boiler, it is characterised in that including:
First Heat Exchanger (10), including the first heat exchanger channels and the second heat exchanger channels；
Second heat exchanger (11), including the 3rd heat exchanger channels and the 4th heat exchanger channels；
Inlet pipeline (13), with the water inlet of the 4th heat exchanger channels of described second heat exchanger (11)
Connect；
Outlet pipeline (15), with the outlet of the 4th heat exchanger channels of described second heat exchanger (11)
Connect；
First pipeline (17), connects the first heat exchanger channels of described First Heat Exchanger (10) and described
3rd heat exchanger channels of the second heat exchanger (11) also forms closed circuit；And
Second pipeline (19), connects with described second heat exchanger channels, and described second pipeline (19)
Entrance point be connected with described inlet pipeline (13), the port of export of described second pipeline (19) and institute
State outlet pipeline (15) to connect.
Wall-hung boiler the most according to claim 1, it is characterised in that described wall-hung boiler also includes string
Connection is arranged on the bypass valve on described second pipeline (19).
Wall-hung boiler the most according to claim 2, it is characterised in that described bypass valve is discharge
Regulation valve (21).
Wall-hung boiler the most according to claim 3, it is characterised in that described wall-hung boiler also includes setting
Put the water flow sensor (23) on described inlet pipeline (13) and/or described second pipeline (19).
Wall-hung boiler the most according to claim 1, it is characterised in that described wall-hung boiler also includes setting
Put the water pump (25) on described first pipeline (17).
Wall-hung boiler the most according to claim 5, it is characterised in that described wall-hung boiler also include with
The expansion tank (27) that described first pipeline (17) connects.
Wall-hung boiler the most according to claim 1, it is characterised in that described First Heat Exchanger (10)
Put in fork arrangement.
Wall-hung boiler the most according to claim 7, it is characterised in that described wall-hung boiler also includes setting
Put the burner (331) in described First Heat Exchanger (10) lower section；
Described First Heat Exchanger (10) includes superposed upper row's heat exchanger and is positioned at the lower row of bottom
Heat exchanger；
Described upper row's heat exchanger includes the second heat exchanging pipe (107) forming described second heat exchanger channels
And the second heat exchange fin coordinated with described second heat exchanging pipe (107)；
Described lower row's heat exchanger includes the first heat exchanging pipe (105) forming described first heat exchanger channels
And the first heat exchange fin coordinated with described first heat exchanging pipe (105).
Wall-hung boiler the most according to claim 1, it is characterised in that described second heat exchanger (11)
For plate type heat exchanger.
Wall-hung boiler the most according to any one of claim 1 to 9, it is characterised in that institute
Stating wall-hung boiler and also include the interface (29) that heats, described heating interface (29) includes being arranged on described the
Heating on described first pipeline (17) in one heat exchanger channels downstream exports and is arranged on described first
Heating import on described first pipeline (17) of heat exchanger channels upstream side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349322.6A CN105910271B (en) | 2016-05-23 | 2016-05-23 | Wall-mounted boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610349322.6A CN105910271B (en) | 2016-05-23 | 2016-05-23 | Wall-mounted boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105910271A true CN105910271A (en) | 2016-08-31 |
| CN105910271B CN105910271B (en) | 2024-03-19 |
Family
ID=56742283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610349322.6A Active CN105910271B (en) | 2016-05-23 | 2016-05-23 | Wall-mounted boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105910271B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361585A (en) * | 2020-11-03 | 2021-02-12 | 宁波方太厨具有限公司 | Water heater and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233054Y (en) * | 2008-06-17 | 2009-05-06 | 广东万家乐燃气具有限公司 | Pre-warming and water supply system for multifunction wall hanging furnace |
| CN201875806U (en) * | 2010-11-22 | 2011-06-22 | 盛水祥 | Dual-purpose wall-hung furnace for plate-type heat exchanger |
| US20120305105A1 (en) * | 2009-09-28 | 2012-12-06 | Kyungdong Navien Co., Ltd | Hot-water supply heat exchanger provided with a mixing valve, and adaptor having a built-in mixing valve |
| CN205066133U (en) * | 2015-09-24 | 2016-03-02 | 广州迪森家用锅炉制造有限公司 | Wall -mounted gas heating stove |
| CN205783772U (en) * | 2016-05-23 | 2016-12-07 | 珠海格力电器股份有限公司 | Wall-mounted stove |
-
2016
- 2016-05-23 CN CN201610349322.6A patent/CN105910271B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201233054Y (en) * | 2008-06-17 | 2009-05-06 | 广东万家乐燃气具有限公司 | Pre-warming and water supply system for multifunction wall hanging furnace |
| US20120305105A1 (en) * | 2009-09-28 | 2012-12-06 | Kyungdong Navien Co., Ltd | Hot-water supply heat exchanger provided with a mixing valve, and adaptor having a built-in mixing valve |
| CN201875806U (en) * | 2010-11-22 | 2011-06-22 | 盛水祥 | Dual-purpose wall-hung furnace for plate-type heat exchanger |
| CN205066133U (en) * | 2015-09-24 | 2016-03-02 | 广州迪森家用锅炉制造有限公司 | Wall -mounted gas heating stove |
| CN205783772U (en) * | 2016-05-23 | 2016-12-07 | 珠海格力电器股份有限公司 | Wall-mounted stove |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361585A (en) * | 2020-11-03 | 2021-02-12 | 宁波方太厨具有限公司 | Water heater and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105910271B (en) | 2024-03-19 |
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