CN111457613A - A kind of double cold source air suspension centrifugal heat pump device - Google Patents
A kind of double cold source air suspension centrifugal heat pump device Download PDFInfo
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- 239000000725 suspension Substances 0.000 title claims abstract description 69
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 230000009977 dual effect Effects 0.000 claims abstract description 10
- 239000011552 falling film Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 239000003507 refrigerant Substances 0.000 description 21
- 238000005057 refrigeration Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
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- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/26—Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
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Abstract
本发明公开了一种双冷源气悬浮离心热泵装置,包括气悬浮离心压缩机、三通阀、四通阀、空气源换热器、储液器、经济器、液体泵、气罐、冷凝器和两用换热器,所述气悬浮离心式压缩机具有两级叶轮,两级叶轮分别为一级叶轮和二级叶轮,所述一级叶轮和二级叶轮之间设置有电机及轴承;所述气悬浮离心式压缩机的二级叶轮与所述三通阀的进口相连;所述三通阀的第一出口与所述冷凝器的进口相连;所述三通阀的第二出口与所述四通阀的第一端口相连。本发明的双冷源气悬浮离心热泵装置,从空气中取能同时获得冷水和热水,通过控制排气分配的气量调节系统的平衡,从而保证了机组同时制冷制热的需求,确保了用户侧的不同温度负荷。
The invention discloses a double cold source air suspension centrifugal heat pump device, comprising an air suspension centrifugal compressor, a three-way valve, a four-way valve, an air source heat exchanger, a liquid accumulator, an economizer, a liquid pump, an air tank, a condenser The air suspension centrifugal compressor has a two-stage impeller, the two-stage impeller are a first-stage impeller and a second-stage impeller, and a motor and a bearing are arranged between the first-stage impeller and the second-stage impeller. ; the secondary impeller of the air suspension centrifugal compressor is connected with the inlet of the three-way valve; the first outlet of the three-way valve is connected with the inlet of the condenser; the second outlet of the three-way valve is connected connected with the first port of the four-way valve. The dual cold source air suspension centrifugal heat pump device of the present invention takes energy from the air and obtains cold water and hot water at the same time. By controlling the balance of the air volume adjustment system for exhaust distribution, the demand for simultaneous cooling and heating of the unit is ensured, and the user is ensured different temperature loads on the side.
Description
技术领域technical field
本发明涉及一种双冷源气悬浮离心热泵装置。The invention relates to a centrifugal heat pump device with double cold source air suspension.
背景技术Background technique
目前市场上的大型冷水热泵装置都是螺杆式和离心式的产品,螺杆式压缩机都采用油润滑转子和轴承,离心式压缩机大部分采用油润滑轴承,一小部分采用的是磁悬浮式轴承。传统含有压缩机给系统带来了很多可靠性的隐患,如压缩机卡死,电机烧毁等,并且油带入系统后导致机组的性能下降,换热器的传热系数降低。同时对于磁悬浮式压缩机因为可靠性低,同时维护成本极高。现在的大型热泵装置的实现形式分为两种:一种是采用水系统切换方式,采用水式热泵机组;另一种是采用风冷式,通过四通阀切换制冷热的方式。水式热泵由于不能氟侧切换,因此要实现制冷热必须要通过复杂的水管路系统实现。而风冷式热泵只能单独实现制冷热,在进行热回收功能时只能满足某一个功能需求。At present, the large-scale cold water heat pump devices on the market are screw and centrifugal products. Screw compressors all use oil-lubricated rotors and bearings. Most of the centrifugal compressors use oil-lubricated bearings, and a small part uses magnetic suspension bearings. . Traditionally containing compressors brought many hidden dangers to the system, such as compressor stuck, motor burnout, etc., and the performance of the unit and the heat transfer coefficient of the heat exchanger decreased after the oil was brought into the system. At the same time, the magnetic suspension compressor has low reliability and high maintenance cost. The realization form of the current large-scale heat pump device is divided into two types: one is to use the water system switching method, using a water-type heat pump unit; Since the water heat pump cannot switch the fluorine side, the cooling and heat must be realized through a complex water pipeline system. The air-cooled heat pump can only achieve cooling and heat alone, and can only meet a certain functional requirement when performing the heat recovery function.
发明内容SUMMARY OF THE INVENTION
本发明的目的是克服现有技术的缺陷,提供一种双冷源气悬浮离心热泵装置,从空气中取能同时获得冷水和热水,通过控制排气分配的气量调节系统的平衡,从而保证了机组同时制冷制热的需求,确保了用户侧的不同温度负荷,采用气悬浮式离心压缩机作为提升动力,系统内没有油回路和油冷却系统,简化了装置,保证了系统性能的稳定性和可靠性。The purpose of the present invention is to overcome the defects of the prior art, and to provide a dual-cooling source air suspension centrifugal heat pump device, which can obtain cold water and hot water at the same time by taking energy from the air. It meets the requirement of cooling and heating of the unit at the same time, and ensures the different temperature loads on the user side. The air suspension centrifugal compressor is used as the lifting power. There is no oil circuit and oil cooling system in the system, which simplifies the installation and ensures the stability of the system performance. and reliability.
实现上述目的的技术方案是:一种双冷源气悬浮离心热泵装置,包括气悬浮离心压缩机、三通阀、四通阀、空气源换热器、储液器、经济器、液体泵、气罐、冷凝器和两用换热器,其中:The technical scheme for realizing the above-mentioned purpose is: a double cold source air suspension centrifugal heat pump device, comprising an air suspension centrifugal compressor, a three-way valve, a four-way valve, an air source heat exchanger, a liquid accumulator, an economizer, a liquid pump, Gas tanks, condensers and dual-purpose heat exchangers, where:
所述气悬浮离心式压缩机具有两级叶轮,两级叶轮分别为一级叶轮和二级叶轮,所述一级叶轮和二级叶轮之间设置有电机及轴承;The air suspension centrifugal compressor has two-stage impellers, and the two-stage impellers are respectively a first-stage impeller and a second-stage impeller, and a motor and a bearing are arranged between the first-stage impeller and the second-stage impeller;
所述气悬浮离心式压缩机的二级叶轮与所述三通阀的进口相连;The secondary impeller of the air suspension centrifugal compressor is connected with the inlet of the three-way valve;
所述三通阀的第一出口与所述冷凝器的进口相连;The first outlet of the three-way valve is connected to the inlet of the condenser;
所述三通阀的第二出口与所述四通阀的第一端口相连;The second outlet of the three-way valve is connected to the first port of the four-way valve;
所述四通阀的第二端口与所述气悬浮离心式压缩机的一级叶轮的吸气口相连;The second port of the four-way valve is connected to the suction port of the first stage impeller of the air suspension centrifugal compressor;
所述四通阀的第三端口与所述空气源换热器的进口相连;The third port of the four-way valve is connected to the inlet of the air source heat exchanger;
所述四通阀的第四端口与所述两用换热器的第一接口相连;The fourth port of the four-way valve is connected to the first interface of the dual-purpose heat exchanger;
所述空气源换热器的出口通过第一管道与所述储液器的第一接口相连;The outlet of the air source heat exchanger is connected with the first interface of the liquid accumulator through a first pipeline;
所述储液器的第二接口通过第一节流装置与所述经济器的进口相连,所述经济器的出口管道上设置有第二节流装置;The second interface of the accumulator is connected to the inlet of the economizer through a first throttling device, and a second throttling device is arranged on the outlet pipe of the economizer;
所述经济器的出口管道通过第二管道与所述两用换热器的第二接口相连;The outlet pipe of the economizer is connected with the second interface of the dual-purpose heat exchanger through a second pipe;
所述经济器的出口管道通过第三管道与所述第一管道连通;The outlet pipe of the economizer communicates with the first pipe through a third pipe;
所述两用换热器的第三接口通过第四管道与所述第一管道连通;The third interface of the dual-purpose heat exchanger communicates with the first pipeline through a fourth pipeline;
所述冷凝器的出口通过第五管道与所述第一管道连通;The outlet of the condenser is communicated with the first pipe through a fifth pipe;
所述经济器与所述气悬浮离心式压缩机相连;the economizer is connected to the air suspension centrifugal compressor;
所述储液器的第三接口、液体泵、气罐和电机依次相连。The third interface of the liquid accumulator, the liquid pump, the gas tank and the motor are connected in sequence.
上述的一种双冷源气悬浮离心热泵装置,其中,所述空气源换热器为翅片管式换热器。In the above-mentioned double cold source air suspension centrifugal heat pump device, the air source heat exchanger is a fin-and-tube heat exchanger.
上述的一种双冷源气悬浮离心热泵装置,其中,所述气罐内部设置有加热装置。In the above-mentioned double cold source air suspension centrifugal heat pump device, a heating device is arranged inside the air tank.
上述的一种双冷源气悬浮离心热泵装置,其中,所述两用换热器采用满液式或者降膜式换热器。In the above-mentioned dual cooling source gas suspension centrifugal heat pump device, the dual-purpose heat exchanger adopts a flooded type or falling film type heat exchanger.
上述的一种双冷源气悬浮离心热泵装置,其中,所述轴承采用的气悬浮轴承。In the above-mentioned dual cooling source air suspension centrifugal heat pump device, the bearing adopts air suspension bearing.
上述的一种双冷源气悬浮离心热泵装置,其中,所述第一管道、第二管道、第三管道、第四管道和第五管道上分别设置有单向阀。In the above-mentioned dual-cooling source gas suspension centrifugal heat pump device, one-way valves are respectively provided on the first pipeline, the second pipeline, the third pipeline, the fourth pipeline and the fifth pipeline.
上述的一种双冷源气悬浮离心热泵装置,其中,所述第一管道上的单向阀位于第一管道与第三管道的连接处和第一管道与第五管道的连接处之间。In the above-mentioned dual cold source gas suspension centrifugal heat pump device, the one-way valve on the first pipeline is located between the connection between the first pipeline and the third pipeline and the connection between the first pipeline and the fifth pipeline.
上述的一种双冷源气悬浮离心热泵装置,其中,所述储液器的第二接口与第一节流装置的连接处和电机之间设置有电磁阀。In the above-mentioned dual cooling source air suspension centrifugal heat pump device, a solenoid valve is arranged between the connection between the second interface of the liquid storage device and the first throttling device and the motor.
上述的一种双冷源气悬浮离心热泵装置,其中,所述三通阀为三通调节阀;所述四通阀为四通换向阀。In the above-mentioned double cold source air suspension centrifugal heat pump device, the three-way valve is a three-way regulating valve; and the four-way valve is a four-way reversing valve.
本发明的双冷源气悬浮离心热泵装置,从空气中取能同时获得冷水和热水,通过控制排气分配的气量调节系统的平衡,从而保证了机组同时制冷制热的需求,确保了用户侧的不同温度负荷,采用气悬浮式离心压缩机作为提升动力,系统内没有油回路和油冷却系统,简化了装置,保证了系统性能的稳定性和可靠性。The dual cold source air suspension centrifugal heat pump device of the present invention takes energy from the air and obtains cold water and hot water at the same time. By controlling the balance of the air volume adjustment system for exhaust distribution, the demand for simultaneous cooling and heating of the unit is ensured, and the user is ensured For different temperature loads on the side, the air suspension centrifugal compressor is used as the lifting power. There is no oil circuit and oil cooling system in the system, which simplifies the installation and ensures the stability and reliability of the system performance.
附图说明Description of drawings
图1为本发明的双冷源气悬浮离心热泵装置的结构示意图。FIG. 1 is a schematic structural diagram of the double cold source gas suspension centrifugal heat pump device of the present invention.
具体实施方式Detailed ways
为了使本技术领域的技术人员能更好地理解本发明的技术方案,下面结合附图对其具体实施方式进行详细地说明:In order to enable those skilled in the art to better understand the technical solutions of the present invention, the specific embodiments thereof will be described in detail below with reference to the accompanying drawings:
请参阅图1,本发明的最佳实施例,一种双冷源气悬浮离心热泵装置,包括气悬浮离心压缩机1、三通阀12、四通阀3、空气源换热器4、储液器6、经济器8、液体泵9、气罐10、冷凝器13和两用换热器11。Please refer to FIG. 1 , a preferred embodiment of the present invention, a dual-cooling source air suspension centrifugal heat pump device, comprising an air suspension centrifugal compressor 1, a three-
气悬浮离心式压缩机1具有两级叶轮,两级叶轮分别为一级叶轮101和二级叶轮102,一级叶轮101和二级叶轮102之间设置有电机及轴承2;1气悬浮离心式压缩机的二级叶轮102与三通阀12的进口12a相连;三通阀12的第一出口12b与冷凝器13的进口相连;三通阀12的第二出口12c与四通阀3的第一端口3a相连,四通阀3的第二端口3b与气悬浮离心式压缩机1的一级叶轮101的吸气口相连;四通阀3的第三端口3c与空气源换热器4的进口相连;四通阀3的第四端口3d与两用换热器11的第一接口11a相连;空气源换热器4的出口通过第一管道21与储液器6的第一接口6a相连;储液器6的第二接口6b通过第一节流装置71与经济器8的进口相连,经济器8的出口管道上设置有第二节流装置72;经济器8的出口管道通过第二管道22与两用换热器11的第二接口11b相连;经济器8的出口管道通过第三管道23与第一管道21连通;两用换热器11的第三接口11c通过第四管道24与第一管道21连通;冷凝器13的出口通过第五管道25与第一管道21连通;经济器8与气悬浮离心式压缩机1相连;储液器6的第三接口6c、液体泵9、气罐10和电机依次相连。The air suspension centrifugal compressor 1 has two-stage impellers, and the two-stage impellers are a first-stage impeller 101 and a second-stage impeller 102 respectively. A motor and a
空气源换热器4为翅片管式换热器。气罐10内部设置有加热装置。The air source heat exchanger 4 is a fin-and-tube heat exchanger. A heating device is provided inside the
两用换热器11采用满液式或者降膜式换热器。两用换热器11具有三个接口,以用于制冷时做蒸发器,制热时做冷凝器。The dual-
轴承2采用的气悬浮轴承。Bearing 2 adopts air suspension bearing.
第一管道21、第二管道22、第三管道23、第四管道24和第五管道25上分别设置有单向阀5。第一管道21上的单向阀5位于第一管道21与第三管道23的连接处e和第一管道21与第五管道25的连接处f之间。One-
储液器6的第二接口6b与第一节流装置71的连接处g和电机之间设置有电磁阀15。A
三通阀12为三通调节阀,可以调节两路出口的流量;四通阀3为四通换向阀。The three-
本发明的双冷源气悬浮离心热泵装置,制冷实施方案为:制冷剂气体经过气悬浮离心压缩机1的一级叶轮101压缩后,混合经济器8的气态制冷剂后,进入气悬浮离心压缩机1的二级叶轮102压缩后,到三通阀12的进口12a,通过三通阀12的第二出口12进入四通阀3的第一端口3a,然后通过四通阀3的第三端口3c进入空气源换热器4,制冷剂经过空气源换热器4冷却成液体后,通过第一管道21流入储液器6,通过第一节流装置71和第二节流装置72后,通过第二管道22、两用换热器11的第二接口11b进入两用换热器11内蒸发,蒸发后的制冷剂气态通过两用换热器11的第一接口11a依次流经四通阀3的第四端口3d、四通阀3的第二端口3b回到气悬浮离心式压缩机1的一级叶轮101的吸气口形成制冷循环。In the dual cold source gas suspension centrifugal heat pump device of the present invention, the refrigeration implementation is as follows: after the refrigerant gas is compressed by the first-stage impeller 101 of the gas suspension centrifugal compressor 1, the gaseous refrigerant of the mixed
热泵实施方案为:制冷剂气体经过气悬浮离心压缩机1的一级叶轮101压缩后,混合经济器8的气态制冷剂后,进入气悬浮离心压缩机1的二级叶轮102压缩后,到三通阀12的进口12a,通过三通阀12的第二出口12进入四通阀3的第一端口3a,,然后通过四通阀3的第四端口进入两用换热器11的第一接口,制冷剂经过两用换热器11冷却成液体后,依次通过两用换热器11的第三接口11c、第四管道24和第一管道21流入储液器6,然后依次通过第一节流装置71、经济器8、第二节流装置72和第三管道23、第一管道21后,从空气源换热器4的出口进入空气源换热器4内蒸发,蒸发后的制冷剂气态流经空气源换热器4的进口、四通阀3的第三端口3c、第二端口3b回到气悬浮离心压缩机1的一级叶轮101的吸气口形成制冷循环。液体泵9从储液器6中抽取制冷剂,经过气罐10加热后,气态制冷剂进入电气悬浮离心式压缩机1的机及轴承2,将轴承2悬浮,用于支撑电机的电机轴,储液器6的第二接口6b与第一节流装置71的连接处g和电机之间设置有电磁阀15,用于电机冷却,经过电机加热后的制冷剂回到气悬浮离心式压缩机1的吸气口形成循环。The implementation of the heat pump is as follows: after the refrigerant gas is compressed by the primary impeller 101 of the air suspension centrifugal compressor 1, the gaseous refrigerant of the
制冷同时制热实施方案为:制冷剂气体经过气悬浮离心压缩机1的一级叶轮101压缩后,混合经济器8的气态制冷剂后,进入气悬浮离心压缩机1的二级叶轮102压缩后,到三通阀12的进口12a,一路通过三通阀12的第一出口12b进入冷凝器13,另一路通过三通阀12的第二出口12c进入四通阀3的第一端口3a,然后通过四通阀3的第四端口3d进入两用换热器11,制冷剂经过两用换热器11冷却成液体后,依次通过两用换热器11的第三接口11c、第四管道24和第一管道21流入储液器6,然后依次通过第一节流装置71、经济器8、第二节流装置72和第三管道23、第一管道21后,从空气源换热器4的出口进入空气源换热器4内蒸发,蒸发后的制冷剂气态流经空气源换热器4的进口、四通阀3的第三端口3c、第二端口3b回到气悬浮离心压缩机1的一级叶轮101的吸气口形成制冷循环。液体泵9从储液器6中抽取制冷剂,经过气罐10加热后,气态制冷剂进入电机及轴承2,将轴承悬浮,用于支撑电机轴,储液器6的第二接口6b与第一节流装置71的连接处g和电机之间设置有电磁阀15,用于电机冷却,经过电机加热后的制冷剂回到气悬浮离心式压缩机1的吸气口形成循环。The cooling and simultaneous heating implementation is as follows: after the refrigerant gas is compressed by the primary impeller 101 of the air suspension centrifugal compressor 1, the gaseous refrigerant of the
本发明的双冷源气悬浮离心热泵装置,可以利用空气源实现制冷、制热、制冷同时制热等功能,减少了用户侧的切换,保证了用户侧水系统的稳定可靠,综合效率更高,是一种多功能高效设备。采用的气悬浮离心式压缩机减少了油系统,气悬浮稳定可靠,压比更高,效率更高,是一种环保型新能源热泵设备。The dual cold source air suspension centrifugal heat pump device of the present invention can utilize the air source to realize functions such as cooling, heating, cooling and heating at the same time, reduces the switching of the user side, ensures the stability and reliability of the user side water system, and has higher overall efficiency , is a multifunctional and efficient equipment. The air suspension centrifugal compressor used reduces the oil system, the air suspension is stable and reliable, the pressure ratio is higher, and the efficiency is higher. It is an environmentally friendly new energy heat pump equipment.
综上所述,本发明的双冷源气悬浮离心热泵装置,从空气中取能同时获得冷水和热水,通过控制排气分配的气量调节系统的平衡,从而保证了机组同时制冷制热的需求,确保了用户侧的不同温度负荷,采用气悬浮式离心压缩机作为提升动力,系统内没有油回路和油冷却系统,简化了装置,保证了系统性能的稳定性和可靠性。To sum up, the dual cold source air suspension centrifugal heat pump device of the present invention obtains cold water and hot water at the same time by taking energy from the air, and by controlling the balance of the air volume adjustment system for exhaust distribution, thus ensuring the cooling and heating of the unit at the same time. It ensures the different temperature loads on the user side. The air suspension centrifugal compressor is used as the lifting power. There is no oil circuit and oil cooling system in the system, which simplifies the installation and ensures the stability and reliability of the system performance.
本技术领域中的普通技术人员应当认识到,以上的实施例仅是用来说明本发明,而并非用作为对本发明的限定,只要在本发明的实质精神范围内,对以上所述实施例的变化、变型都将落在本发明的权利要求书范围内。Those skilled in the art should realize that the above embodiments are only used to illustrate the present invention, but not to limit the present invention. Changes and modifications will fall within the scope of the claims of the present invention.
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