CN109488450A - A kind of shipborne equipment of generator and air conditioner integrated - Google Patents
A kind of shipborne equipment of generator and air conditioner integrated Download PDFInfo
- Publication number
- CN109488450A CN109488450A CN201811628889.2A CN201811628889A CN109488450A CN 109488450 A CN109488450 A CN 109488450A CN 201811628889 A CN201811628889 A CN 201811628889A CN 109488450 A CN109488450 A CN 109488450A
- Authority
- CN
- China
- Prior art keywords
- compressor
- air conditioner
- ball
- internal combustion
- generator
- 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
- 238000002485 combustion reaction Methods 0.000 claims abstract description 24
- 230000005611 electricity Effects 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 abstract description 11
- 238000005057 refrigeration Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/06—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/002—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for driven by internal combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention discloses the shipborne equipments of a kind of generator and air conditioner integrated, including fixed frame, the fixed frame upper end is mounted by means of screws with internal combustion engine, the both ends of the power output shaft of internal combustion engine are sequentially connected electric ball and compressor respectively, compressor top is equipped with pressure-regulating valve, the compressor upper end is connected to condenser, and the electricity ball top is equipped with control device.The big functional module of the two of this equipment, i.e. master section and air-conditioner set part, it is not only interrelated but also relatively independent, so, two big functional modules can under identical engine conditions work well；Meanwhile the electromechanical ball that generates electricity is equipped with clutch, if electric ball detachment system is not influenced air-conditioning system work；The compressor of air conditioner of the machine is directly connected with engine, is that the kinetic energy of engine is directly transmitted to compressor of air conditioner, reduces energy loss；Generator and air-conditioner set are combined design, it is possible to reduce equipment the space occupied mitigates the weight of equipment.
Description
Technical field
The present invention relates to marine generator and marine air conditioner field, specifically a kind of generator and air conditioner integrated it is peculiar to vessel
Equipment.
Background technique
Currently, whether riverboat or seagoing vessel, the electrical equipment (such as refrigerator, refrigerator) on ship is more and more, to
The air conditioner refrigerating demand of electricity demanding and summer, it is increasing, it is more and more common.Its implementation is substantially as follows:
1. being aboard ship equipped with independent generating set.To supply to equipment such as air-conditioning, refrigerators by the big electric power of generating set
Electricity.This mode is the most universal, but there are cost height, installing engineering is bigger, and the shortcomings that compare energy consumption.
2. the power provided using host peculiar to vessel drives the maximum machine belt compressor of air conditioner of power consumption.Storage is utilized simultaneously
Battery is powered to the other component of other electric appliances and air-conditioning on ship.This mode is similar to the mode of air conditioning for automobiles, and feature is to set
Standby acquisition cost is relatively low, and due to could only use air-conditioning when host-initiated, thus energy consumption is odd high, using and without
Ji.
3. reconciling other electric power supplies to ship overhead using the battery of outfit peculiar to vessel.This mode, which requires to be equipped with, to be held
Very big battery is measured just to be able to achieve.At high cost and since the life of storage battery is short, the ship of general cost is beyond affordability, therefore
Use scope is not wide.
It is known that the maximum electric appliance peculiar to vessel of power consumption is air-conditioning for medium and small-scale vessel.For these reasons, originally
Field technical staff provides the shipborne equipment of a kind of generator and air conditioner integrated, mentioned above in the background art to solve
Problem
Summary of the invention
The purpose of the present invention is to provide the shipborne equipments of a kind of generator and air conditioner integrated, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme:
A kind of shipborne equipment of generator and air conditioner integrated, including fixed frame, the fixed frame upper end are solid by screw
Dingan County is equipped with internal combustion engine, and the both ends of the power output shaft of internal combustion engine be sequentially connecteds electric ball and compressor respectively, and compressor top is pacified
Equipped with pressure-regulating valve, the compressor upper end is connected to condenser, and the electricity ball top is equipped with control device.
As a further solution of the present invention: the pressure-regulating valve includes shell, is equipped on the left of the enclosure interior
Piston, piston right part are slidably connected slide cores, and slide cores left end is located at the inner cavity of piston, the connection of piston left end fixed thread
There is plug, plug right part is arranged with spring, and spring right part is set in slide cores left end, is equipped between the slide cores and plug
First bellows, the piston right part and slide cores junction offer annular groove, and ball, the sliding are equipped in annular groove
Core right end, which is arranged with, is socketed with Coupling, and Coupling right part adjusts head by the connection of the second bellows, adjusts the boss of head right end
It extends in the middle part of shell right end and opens up in through-hole, shell right end edge offers adjustment hole.
As further scheme of the invention: the boss for adjusting head right part is frustum.
As the present invention further scheme: the power output shaft of the internal combustion engine by belt be sequentially connected electric ball with
Compressor, it is described electricity ball belt pulley on electric ball clutch is installed, be equipped on the belt pulley of the compressor compressor from
Clutch.
As further scheme of the invention: model STC-5, the internal combustion engine model LE2V86 of the electricity ball, control
The model of device model AC300 processed, electric ball clutch and compressor clutch is LR-MC091, the model of condenser
PDL03。
As further scheme of the invention: the compressor is belt variable compressor, and DC- is held in model east
1876
Compared with prior art, the beneficial effects of the present invention are:
The present invention designs rationally in structure, the big functional module of the two of this equipment, i.e. master section and air-conditioner set portion
Point, it is not only interrelated but also relatively independent, since air-conditioner set compressor is variable displacement mechanism, refrigerating capacity variation not by
Internal-combustion engine rotational speed control, causes internal combustion function to work under rated speed, and generator work then requires constant internal combustion engine to turn
Speed, so, two big functional modules can under identical engine conditions work well.Meanwhile the electromechanical ball that generates electricity is equipped with clutch,
If electric ball detachment system is not influenced air-conditioning system work；The compressor of air conditioner of the machine directly and engine (original of generator is moved
Machine) it is connected, it is that the kinetic energy of engine is directly transmitted to compressor of air conditioner, reduces energy dissipation, it is energy saving；By generator and
Air-conditioner set is combined design, it is possible to reduce equipment the space occupied mitigates the weight of equipment.
Detailed description of the invention
Fig. 1 is the structural front view figure of the shipborne equipment of generator and air conditioner integrated.
Fig. 2 is the top view of the shipborne equipment of generator and air conditioner integrated.
Fig. 3 is the structural schematic diagram of pressure-regulating valve in the shipborne equipment of generator and air conditioner integrated.
In figure: internal combustion engine 1, compressor 2, electric ball 3, pressure-regulating valve 4, electric ball clutch 5, condenser 6, control device 7,
Compressor clutch 8, fixed frame 9, slide cores 401, the first bellows 402, spring 403, piston 404, the second bellows 405,
Adjust head 406, plug 407, shell 408, valve rod 409, Coupling 410.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of shipborne equipment of generator and air conditioner integrated, including fixation
Frame 9,9 upper end of fixed frame are mounted by means of screws with internal combustion engine 1, and the both ends of the power output shaft of internal combustion engine 1 pass respectively
Dynamic to connect electric ball 3 and compressor 2,2 top of compressor is equipped with pressure-regulating valve 4, and 2 upper end of compressor is connected to condenser 6,
3 top of the electricity ball is equipped with control device 7.
The pressure-regulating valve 4 includes shell 408, and 408 inside left of shell is equipped with piston 404, and piston 404 is right
Portion is slidably connected slide cores 401, and 401 left end of slide cores is located at the inner cavity of piston 404, and the 404 left end fixed thread of piston connects
It is connected to plug 407,407 right part of plug is arranged with spring 403, and 403 right part of spring is set in 401 left end of slide cores, the sliding
First bellows 402 is installed, 404 right part of piston is offered with 401 junction of slide cores between core 401 and plug 407
Annular groove is equipped with ball in annular groove, and 401 right end of slide cores, which is arranged with, is socketed with Coupling 410, and Coupling 410 is right
Portion adjusts head 406 by the connection of the second bellows 405, and the boss for adjusting 406 right end of head, which extends in the middle part of 408 right end of shell, to be opened up
In through-hole, 408 right end edge of shell offers adjustment hole.
The boss for adjusting 406 right part of head is frustum.
The power output shaft of the internal combustion engine 1 passes through the electric ball 3 of belt transmission connection and compressor 2, the belt of the electricity ball 3
Electric ball clutch 5 is installed on disk, compressor clutch 8 is installed on the belt pulley of the compressor.
The model STC-5,1 model LE2V86 of internal combustion engine, 7 model AC300 of control device of the electricity ball 3, electric ball
The model of clutch 5 and compressor clutch 8 is LR-MC091, the model PDL03 of condenser 6.
The compressor 2 is belt variable compressor, and DC-1876 is held in model east.
The working principle of the invention is:
The present invention relates to the shipborne equipments of a kind of generator and air conditioner integrated, in use, by the main component of generator
Internal combustion engine, becomes discharge capacity compressor of air conditioner with machine belt respectively and the electromechanical ball that generates electricity is connected, and the Partial Power of internal combustion engine is used for sky
Adjust compressor to provide power, another part starts electromechanical ball to generate electricity for driving, then by generator control system to ship its
He powers at equipment；Refrigerant circulation operation in refrigeration system circulation is driven by machine belt compressor of air conditioner, compressor of air conditioner can be with
To split-type air conditioner, it is also possible to central air-conditioning；The electric power that generator and air conditioner integrated machine provide, to A/C evaporator blower and
The water pump of air-conditioning water cooled condenser provides electric power；Machine belt compressor of air conditioner passes through the internal combustion engine moving of power belt and generator
Power output shaft is connected, and the belt pulley of compressor is equipped with clutch, can adjust realization internal combustion by control chip and control circuit
The aperture regulation of machine oil door, the charging of battery and the fault detection of voltage monitoring, system, realize internal combustion engine by circuit switch
The remote adjustment of revolving speed is to realize that the refrigerating capacity of refrigeration system is adjusted, and then the variation for adapting to indoor heat load and user are to room
The adjusting requirement of interior temperature；In the control and adjusting of air-conditioning power, this system can be according to setting using variable compressor
Temperature automatic adjustment power output, air-conditioner control system do not acquire the temperature signal of evaporator air outlet, but according to air-conditioner pipe
The variable signal of pressure controls the compression ratio of compressor to automatically adjust air outlet temperature in road, in the overall process of refrigeration, presses
Contracting machine is work always, and the adjusting for intensity of freezing is completely dependent on the pressure-regulating valve inside compressor to control.Work as sky
When adjusting the hypertonia of high-voltage end in pipeline, pressure-regulating valve shortens compressor inner piston stroke to reduce compression ratio, thus
Refrigeration intensity can be reduced, when high pressure end pressure drops to a certain degree, and low pressure end pressure is risen to a certain degree, pressure is adjusted
Valve increases piston stroke then to improve refrigeration intensity, and this control method does not influence the revolving speed of internal combustion engine, to reduce air-conditioning system
The negative effect united to generator.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. the shipborne equipment of a kind of generator and air conditioner integrated, including fixed frame (9), which is characterized in that the fixed frame (9)
Upper end is mounted by means of screws with internal combustion engine (1), and the both ends of the power output shaft of internal combustion engine (1) are sequentially connected electric ball respectively
(3) it is equipped with pressure-regulating valve (4) with compressor (2), compressor (2) top, compressor (2) upper end is connected to condenser
(6), described electric ball (3) top is equipped with control device (7).
2. the shipborne equipment of generator according to claim 1 and air conditioner integrated, which is characterized in that the pressure is adjusted
Valve (4) includes shell (408), and shell (408) inside left is equipped with piston (404), and piston (404) right part is slidably connected
Slide cores (401), slide cores (401) left end are located at the inner cavity of piston (404), piston (404) the left end fixed thread connection
Having plug (407), plug (407) right part is arranged with spring (403), and spring (403) right part is set in slide cores (401) left end,
It is equipped with the first bellows (402) between the slide cores (401) and plug (407), piston (404) right part and slide cores
(401) junction offers annular groove, and ball is equipped in annular groove, and slide cores (401) right end, which is arranged with, is socketed with set
Fitting (410), Coupling (410) right part adjust head (406) by the second bellows (405) connection, adjust head (406) right end
Boss is extended in the middle part of shell (408) right end and is opened up in through-hole, and shell (408) right end edge offers adjustment hole.
3. the shipborne equipment of generator according to claim 2 and air conditioner integrated, which is characterized in that the adjusting head
(406) boss of right part is frustum.
4. the shipborne equipment of generator according to claim 1 and air conditioner integrated, the power output of the internal combustion engine (1)
Axis is sequentially connected electric ball (3) and compressor (2) by belt, is equipped with electric ball clutch on the belt pulley of the electric ball (3)
(5), it is equipped on the belt pulley of the compressor compressor clutch (8).
5. the shipborne equipment of generator according to claim 1 and air conditioner integrated, the model STC-5 of the electricity ball 3,
The model of 1 model LE2V86 of internal combustion engine, 7 model AC300 of control device, electric ball clutch 5 and compressor clutch 8 is equal
For LR-MC091, the model PDL03 of condenser 6.
6. the shipborne equipment of generator according to claim 1 and air conditioner integrated, the compressor 2 is that belt becomes discharge capacity
DC-1876 is held in compressor, model east.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811628889.2A CN109488450B (en) | 2018-12-29 | 2018-12-29 | Marine equipment integrating generator and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811628889.2A CN109488450B (en) | 2018-12-29 | 2018-12-29 | Marine equipment integrating generator and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109488450A true CN109488450A (en) | 2019-03-19 |
| CN109488450B CN109488450B (en) | 2024-03-29 |
Family
ID=65713091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811628889.2A Active CN109488450B (en) | 2018-12-29 | 2018-12-29 | Marine equipment integrating generator and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488450B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL440734A1 (en) * | 2022-03-22 | 2023-09-25 | Radiotechnika Marketing Spółka Z Ograniczoną Odpowiedzialnością | Generator set for vehicles |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1614338A (en) * | 2004-11-29 | 2005-05-11 | 西安交通大学 | Separated air conditioner driven by IC engine |
| CN2787875Y (en) * | 2004-10-15 | 2006-06-14 | 温州中成化油器制造有限公司汽车空调分公司 | Swashplate type compressor with variable displacement mechanism |
| CN201513981U (en) * | 2009-09-16 | 2010-06-23 | 福州金飞鱼柴油机有限公司 | Mobile air conditioner |
| CN202954999U (en) * | 2012-10-29 | 2013-05-29 | 比亚迪股份有限公司 | Air conditioner driving device |
| CN210440116U (en) * | 2018-12-29 | 2020-05-01 | 珠海海神游艇设备有限公司 | Generator and air conditioner integrated marine equipment |
-
2018
- 2018-12-29 CN CN201811628889.2A patent/CN109488450B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2787875Y (en) * | 2004-10-15 | 2006-06-14 | 温州中成化油器制造有限公司汽车空调分公司 | Swashplate type compressor with variable displacement mechanism |
| CN1614338A (en) * | 2004-11-29 | 2005-05-11 | 西安交通大学 | Separated air conditioner driven by IC engine |
| CN201513981U (en) * | 2009-09-16 | 2010-06-23 | 福州金飞鱼柴油机有限公司 | Mobile air conditioner |
| CN202954999U (en) * | 2012-10-29 | 2013-05-29 | 比亚迪股份有限公司 | Air conditioner driving device |
| CN210440116U (en) * | 2018-12-29 | 2020-05-01 | 珠海海神游艇设备有限公司 | Generator and air conditioner integrated marine equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL440734A1 (en) * | 2022-03-22 | 2023-09-25 | Radiotechnika Marketing Spółka Z Ograniczoną Odpowiedzialnością | Generator set for vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109488450B (en) | 2024-03-29 |
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Address after: B106, Building 15, No. 1 Hagongda Road, Tangjiawan Town, High tech Zone, Zhuhai City, Guangdong Province, 519000 Applicant after: Zhuhai Haishen Intelligent Technology Co.,Ltd. Address before: 519085 area a, unit 303, building 2, Zhongdian hi tech Industrial Park, No.1, Keji 7th Road, Tangjiawan Town, Zhuhai City, Guangdong Province Applicant before: ZHUHAI HAISHEN YACHT EQUIPMENT CO.,LTD. |
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