CN116380227A - A high-efficiency balance verification device and method - Google Patents
A high-efficiency balance verification device and method Download PDFInfo
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Abstract
本发明为一种高效天平检定装置,涉及天平检定领域,解决了校准除评定测量装置的示值误差和确定有关计量特性外,校准结果也可以表示为修正值或校准因子,具体指导测量过程的操作,但是现有技术中的一些检定方式,大多数据单一步骤简单,不能满足精细化的检定要求,不利于天平检定的准确度的问题。技术特征包括:支撑底座;调整结构,所述调整结构安装于支撑底座下表面边缘处,且所述调整结构用于调整支撑底座高低。解放人力,减少对砝码的腐蚀,提高了工作效率和检定的准确度,操作简单,实用性强。
The invention relates to a high-efficiency balance verification device, which relates to the field of balance verification, and solves the problem of calibrating in addition to evaluating the indication error of the measuring device and determining the relevant measurement characteristics, and the calibration result can also be expressed as a correction value or a calibration factor to specifically guide the measurement process. However, in some verification methods in the prior art, most of the data are single-step and simple, which cannot meet the refined verification requirements, and are not conducive to the accuracy of the balance verification. The technical features include: a support base; an adjustment structure, the adjustment structure is installed at the edge of the lower surface of the support base, and the adjustment structure is used to adjust the height of the support base. Manpower is liberated, corrosion to weights is reduced, work efficiency and verification accuracy are improved, and the operation is simple and practical.
Description
技术领域technical field
本发明涉及天平检定技术领域,特别涉及一种高效天平检定装置。The invention relates to the technical field of balance verification, in particular to an efficient balance verification device.
背景技术Background technique
天平,一种衡器。由支点(轴)在梁的中心支着天平梁而形成两个臂,每个臂上挂着一个盘,其中一个盘里放着已知质量的物体,另一个盘里放待测物体,固定在梁上的指针在不摆动且指向正中刻度时的偏转就指示出待测物体的质量。天平是一种等臂杠杆。天平是一种衡器,是衡量物体质量的仪器。它依据杠杆原理制成,在杠杆的两端各有一小盘,一端放砝码,另一端放要称的物体,杠杆中央装有指针,两端平衡时,两端的质量(重量)相等。现代的天平,越来越精密,越来越灵敏,种类也越来越多。我们都知道,有普通天平、分析天平,有常量分析天平、微量分析天平、半微量分析天平,等等。A balance, a weighing instrument. The balance beam is supported by the fulcrum (axis) at the center of the beam to form two arms, and a plate is hung on each arm, one of which contains an object of known mass, and the other contains an object to be measured, fixed on The deflection of the pointer on the beam when it is not swinging and points to the middle scale indicates the mass of the object to be measured. A balance is an equal arm lever. A balance is a weighing instrument, an instrument for measuring the mass of an object. It is made according to the principle of leverage. There is a small plate at both ends of the lever. A weight is placed at one end, and an object to be weighed is placed at the other end. There is a pointer in the center of the lever. When both ends are balanced, the mass (weight) of both ends is equal. Modern balances are becoming more sophisticated, more sensitive, and more diverse. We all know that there are ordinary balances, analytical balances, constant analytical balances, micro analytical balances, semi-micro analytical balances, and so on.
目前校准的目的是对照计量标准,评定测量装置的示值误差,确保量值准确,属于自下而上量值溯源的一组操作。这种示值误差的评定应根据组织的校准规程作出相应规定,按校准周期进行,并做好校准记录及校准标识。校准除评定测量装置的示值误差和确定有关计量特性外,校准结果也可以表示为修正值或校准因子,具体指导测量过程的操作,但是现有技术中的一些检定方式,大多数据单一步骤简单,不能满足精细化的检定要求,不利于天平检定的准确度,因此为了解决这一问题,设计一种高效天平检定装置及方法是非常有必要的。At present, the purpose of calibration is to compare the measurement standard, evaluate the indication error of the measuring device, and ensure the accuracy of the value. It belongs to a group of operations that trace the source of the value from bottom to top. The evaluation of this indication error should be regulated according to the organization's calibration procedures, and should be carried out according to the calibration cycle, and the calibration records and calibration marks should be made. Calibration In addition to evaluating the indication error of the measuring device and determining the relevant metrological characteristics, the calibration result can also be expressed as a correction value or a calibration factor, which specifically guides the operation of the measurement process. However, in some verification methods in the prior art, most of the data are single-step simple , cannot meet the refined verification requirements, and is not conducive to the accuracy of balance verification. Therefore, in order to solve this problem, it is very necessary to design an efficient balance verification device and method.
发明内容Contents of the invention
本发明要解决现有技术中的校准除评定测量装置的示值误差和确定有关计量特性外,校准结果也可以表示为修正值或校准因子,具体指导测量过程的操作,但是现有技术中的一些检定方式,大多数据单一步骤简单,不能满足精细化的检定要求,不利于天平检定的准确度的技术问题,提供一种高效天平检定装置。The present invention aims to solve the calibration in the prior art. In addition to evaluating the indication error of the measuring device and determining the relevant metrological characteristics, the calibration result can also be expressed as a correction value or a calibration factor to specifically guide the operation of the measurement process. However, in the prior art For some verification methods, most of the data are single-step and simple, which cannot meet the refined verification requirements, and are not conducive to the technical problems of the accuracy of balance verification. An efficient balance verification device is provided.
为了解决上述技术问题,本发明的技术方案具体如下:In order to solve the problems of the technologies described above, the technical solution of the present invention is specifically as follows:
一种高效天平检定装置,包括:A high-efficiency balance verification device, comprising:
支撑底座;support base;
调整结构,所述调整结构安装于支撑底座下表面边缘处,且所述调整结构用于调整支撑底座高低;An adjustment structure, the adjustment structure is installed at the edge of the lower surface of the support base, and the adjustment structure is used to adjust the height of the support base;
水平结构,所述水平结构安装于支撑底座前表面,且所述水平结构用于查看支撑底座是否处于水平状态;a horizontal structure, the horizontal structure is installed on the front surface of the support base, and the horizontal structure is used to check whether the support base is in a horizontal state;
固定结构,所述固定结构安装于支撑底座上表面,且所述固定结构用于固定天平;A fixing structure, the fixing structure is installed on the upper surface of the supporting base, and the fixing structure is used to fix the balance;
支撑结构,所述支撑结构安装于支撑底座上表面,且所述支撑结构用于支撑;A supporting structure, the supporting structure is installed on the upper surface of the supporting base, and the supporting structure is used for supporting;
承载结构,所述承载结构安装于支撑底座上表面,且所述承载结构用于承载砝码;A load-bearing structure, the load-bearing structure is installed on the upper surface of the support base, and the load-bearing structure is used to carry weights;
夹取结构,所述夹取结构安装于支撑结构上,且所述夹取结构用于夹取砝码;a clamping structure, the clamping structure is installed on the support structure, and the clamping structure is used to clamp the weight;
清理结构,所述清理结构安装于夹取结构上,且所述清理结构用于进行清理。A cleaning structure, the cleaning structure is installed on the clamping structure, and the cleaning structure is used for cleaning.
优选的,所述调整结构包括:两对第一固定架、两对第一电控伸缩杆、两对连接块以及两对锥形杆;Preferably, the adjustment structure includes: two pairs of first fixing frames, two pairs of first electrically controlled telescopic rods, two pairs of connecting blocks and two pairs of tapered rods;
两对所述第一固定架安装于支撑底座侧表面,每个所述第一电控伸缩杆安装于相对应的第一固定架上,每个所述连接块安装于相对应的第一电控伸缩杆伸缩端上,每个所述锥形杆安装于相对应的连接块上。Two pairs of the first fixing brackets are installed on the side surface of the support base, each of the first electrically controlled telescopic rods is installed on the corresponding first fixing bracket, and each of the connecting blocks is installed on the corresponding first electric Each of the tapered rods is mounted on a corresponding connecting block.
优选的,所述水平结构包括:第一支撑架以及水平仪;Preferably, the horizontal structure includes: a first support frame and a level;
所述第一支撑架安装于支撑底座前表面,每个所述水平仪安装于第一支撑架上。The first support frame is installed on the front surface of the support base, and each level is installed on the first support frame.
优选的,所述固定结构包括:两对转动圆杆、两对限位板、两对转动圆环以及两对固定板;Preferably, the fixing structure includes: two pairs of rotating round rods, two pairs of limiting plates, two pairs of rotating rings and two pairs of fixing plates;
所述支撑底座上表面中心处设有矩形凹槽,两对所述转动圆杆安装于矩形凹槽两侧,每个所述限位板安装于相对应的转动圆杆上,每个所述转动圆环安装于相对应的转动圆杆上,每个所述固定板安装于相对应的转动圆环上。A rectangular groove is provided at the center of the upper surface of the support base, and two pairs of the rotating round rods are installed on both sides of the rectangular groove, each of the limiting plates is installed on the corresponding rotating round rod, each of the The rotating ring is installed on the corresponding rotating rod, and each of the fixing plates is installed on the corresponding rotating ring.
优选的,所述支撑结构包括:一对支撑座以及门型支撑架;Preferably, the support structure includes: a pair of support bases and a door-shaped support frame;
一对所述支撑座安装于支撑底座上表面边缘处,每个所述门型支撑架安装于一对所述支撑座上表面。A pair of the support bases is installed on the edge of the upper surface of the support base, and each of the door-shaped support frames is installed on the upper surface of the pair of support bases.
优选的,所述承载结构包括:一对无盖承载壳体、一对砝码盘以及一对扣盖;Preferably, the bearing structure includes: a pair of coverless bearing shells, a pair of weight plates and a pair of buckle covers;
一对所述无盖承载壳体安装于支撑底座上表面,每个所述砝码盘安装于相对应的无盖承载壳体内,每个所述扣盖安装于相对应的无盖承载壳体上。A pair of the coverless bearing shells are installed on the upper surface of the support base, each of the weight plates is installed in the corresponding coverless bearing shell, and each of the buckle covers is installed in the corresponding coverless bearing shell superior.
优选的,所述夹取结构包括:一对电控滑道、一对第一电控滑块、一对第一固定支撑架、一对第二电控伸缩杆、一对第一固定块以及一对电控夹手;Preferably, the clamping structure includes: a pair of electronically controlled slideways, a pair of first electrically controlled sliders, a pair of first fixed support frames, a pair of second electrically controlled telescopic rods, a pair of first fixed blocks and A pair of electric grippers;
一对所述电控滑道安装于门型支撑架下表面,每个所述第一电控滑块安装于相对应的电控滑道上,每个所述第一固定支撑架安装于相对应的第一电控滑块上,每个所述第二电控伸缩杆安装于相对应的第一固定支撑架上,每个所述第一固定块安装于相对应的第二电控伸缩杆伸缩端上,每个所述电控夹手安装于相对应的第一固定块上。A pair of the electric control slides are installed on the lower surface of the door-shaped support frame, each of the first electric control sliders is installed on the corresponding electric control slide, and each of the first fixed support frames is installed on the corresponding Each of the second electrically controlled telescopic rods is installed on the corresponding first fixed support frame, and each of the first fixed blocks is installed on the corresponding second electrically controlled telescopic rod On the telescopic end, each of the electronically controlled grippers is mounted on a corresponding first fixed block.
优选的,所述清理结构包括:一对第二电控滑块、一对第二固定支撑架、一对第三电控伸缩杆、一对第二固定块、一对支撑架、一对旋转电机以及一对清理刷;Preferably, the cleaning structure includes: a pair of second electric control sliders, a pair of second fixed support frames, a pair of third electric control telescopic rods, a pair of second fixed blocks, a pair of support frames, a pair of rotating motor and a pair of cleaning brushes;
每个所述第二电控滑块安装于相对应的电控滑道上,每个所述第二固定支撑架安装于相对应的第二电控滑块上,每个所述第三电控伸缩杆安装于相对应的第二固定支撑架上,每个所述第二固定块安装于相对应的第三电控伸缩杆伸缩端上,每个所述支撑架安装于相对应的第二固定块上,每个所述旋转电机安装于相对应的支撑架上,每个所述清理刷安装于相对应的旋转电机旋转端上。Each of the second electronically controlled sliders is installed on the corresponding electronically controlled slideway, each of the second fixed support frames is installed on the corresponding second electrically controlled slider, and each of the third electronically controlled The telescopic rod is installed on the corresponding second fixed support frame, each of the second fixed blocks is mounted on the corresponding telescopic end of the third electric control telescopic rod, and each of the support frames is mounted on the corresponding second On the fixed block, each of the rotating motors is installed on a corresponding support frame, and each of the cleaning brushes is installed on a corresponding rotating end of the rotating motor.
优选的,所述支撑底座上设有市电接口,所述支撑底座上设有控制器。Preferably, the support base is provided with a commercial power interface, and the support base is provided with a controller.
一种高效天平检定方法,包括步骤如下:A high-efficiency balance verification method, comprising the following steps:
(1)、将天平放置于支撑底座上表面中心处的矩形凹槽处,并通过转动固定板进行固定;(1) Place the balance in the rectangular groove at the center of the upper surface of the supporting base, and fix it by rotating the fixing plate;
(2)、通过支撑底座上的市电接口连接电源,打开支撑底座上的控制器,然后启动装置,同时打开无盖承载壳体上的扣盖;(2) Connect the power supply through the mains interface on the support base, turn on the controller on the support base, then start the device, and open the button cover on the uncovered carrying case at the same time;
(3)、通过第一电控伸缩杆带动连接块上的锥形杆,并配合第一支撑架上的水平仪进行调整,使天平达到水平状态;(3), drive the tapered rod on the connection block through the first electric control telescopic rod, and coordinate with the level meter on the first support frame to adjust, so that the balance reaches a horizontal state;
(4)、通过控制器上的案件,输入检测重量;(4) Input the detection weight through the case on the controller;
(5)、电控滑道带动第一电控滑块进行移动,使电控夹手位于砝码盘上方,并夹起相对应的砝码;(5) The electronically controlled slideway drives the first electronically controlled slider to move, so that the electronically controlled gripper is located above the weight plate, and the corresponding weight is clamped;
(6)、将夹起的砝码放置在天平托盘上,查看天平是否偏移,并进行记录调整;(6) Place the clamped weight on the balance tray, check whether the balance is offset, and make record adjustments;
(7)、检测技术后,电控夹手夹起砝码,将砝码归位,同时调整第三电控伸缩杆,启动旋转电机上的清理刷对托盘进行清理;(7) After the detection technology, the electric control gripper picks up the weight, returns the weight, adjusts the third electric control telescopic rod at the same time, and starts the cleaning brush on the rotating motor to clean the tray;
(8)、反复上述(4)-(7)步骤,进行3-4次检测;(8), repeat above-mentioned (4)-(7) step, carry out 3-4 detection;
(9)、完成检定。(9) Complete the test.
本发明具有以下的有益效果:The present invention has following beneficial effect:
该通过一种高效天平检定装置及方法通过多次对比,得出详细完整的数据,使得检定数据较为准确,检定速度较快,通过电控夹手对砝码的抓取来取代人工,解放人力,减少对砝码的腐蚀,提高了工作效率和检定的准确度,操作简单,实用性强。This high-efficiency balance verification device and method obtains detailed and complete data through multiple comparisons, making the verification data more accurate and the verification speed faster, replacing manual work by grasping the weights with electronically controlled grippers, and liberating manpower , reduce the corrosion of the weights, improve the work efficiency and the accuracy of the test, the operation is simple, and the practicability is strong.
附图说明Description of drawings
下面结合附图和具体实施方式对本发明作进一步详细说明。The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
图1为本发明的一种高效天平检定装置的结构示意图;Fig. 1 is the structural representation of a kind of efficient balance verification device of the present invention;
图2为本发明的一种高效天平检定装置的主视结构图;Fig. 2 is the front structural diagram of a kind of high-efficiency balance verification device of the present invention;
图3为本发明的一种高效天平检定装置的主视图;Fig. 3 is the front view of a kind of efficient balance verification device of the present invention;
图4为本发明的一种高效天平检定装置的俯视图;Fig. 4 is the top view of a kind of efficient balance verification device of the present invention;
图5为本发明的步骤图。Fig. 5 is a step diagram of the present invention.
图中的附图标记表示为:The reference signs in the figure represent:
支撑底座10、调整结构20、水平结构30、固定结构40、支撑结构50、承载结构60、夹取结构70、清理结构80、市电接口90、控制器100;
第一固定架21、第一电控伸缩杆22、连接块23、锥形杆24;The first fixed
第一支撑架31、水平仪32;The
转动圆杆41、限位板42、转动圆环43、固定板44;Rotating
支撑座51、门型支撑架52;
无盖承载壳体61、砝码盘62、扣盖63;
电控滑道71、第一电控滑块72、第一固定支撑架73、第二电控伸缩杆74、第一固定块75、电控夹手76;
第二电控滑块81、第二固定支撑架82、第三电控伸缩杆83、第二固定块84、支撑架85、旋转电机86、清理刷87。The second
具体实施方式Detailed ways
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围;需要说明的是,本申请中为了便于描述,以当前视图中“左侧”为“第一端”,“右侧”为“第二端”,“上侧”为“第一端”,“下侧”为“第二端”,如此描述的目的在于清楚的表达该技术方案,不应当理解为对本申请技术方案的不当限定。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work fall within the protection scope of the present invention; it should be noted that, for the convenience of description in this application, In the current view, "left side" is "first end", "right side" is "second end", "upper side" is "first end", "lower side" is "second end", as described The purpose is to clearly express the technical solution, and should not be interpreted as an improper limitation of the technical solution of the present application.
请参阅图1-5所示,支撑底座10下表面边缘处的调整结构20用于调整支撑底座10高低,支撑底座10前表面的水平结构30用于查看支撑底座10是否处于水平状态,支撑底座10上表面的固定结构40用于固定天平,支撑底座10上表面的支撑结构50用于支撑,支撑底座10上表面的承载结构60用于承载砝码,支撑结构50上的夹取结构70用于夹取砝码,夹取结构70上的清理结构80用于进行清理。Please refer to shown in Figure 1-5, the
优选的,调整结构20包括:两对第一固定架21、两对第一电控伸缩杆22、两对连接块23以及两对锥形杆24;两对第一固定架21安装于支撑底座10侧表面,每个第一电控伸缩杆22安装于相对应的第一固定架21上,每个连接块23安装于相对应的第一电控伸缩杆22伸缩端上,每个锥形杆24安装于相对应的连接块23上。Preferably, the
通过第一固定架21上的第一电控伸缩杆22带动连接块23上的锥形杆24进行调整。The tapered
优选的,水平结构30包括:第一支撑架31以及水平仪32;第一支撑架31安装于支撑底座10前表面,每个水平仪32安装于第一支撑架31上。Preferably, the
通过第一支撑架31上的水平仪32查看水平状态。Check the horizontal state through the
优选的,固定结构40包括:两对转动圆杆41、两对限位板42、两对转动圆环43以及两对固定板44;支撑底座10上表面中心处设有矩形凹槽,两对转动圆杆41安装于矩形凹槽两侧,每个限位板42安装于相对应的转动圆杆41上,每个转动圆环43安装于相对应的转动圆杆41上,每个固定板44安装于相对应的转动圆环43上。Preferably, the fixed
通过转动转动圆环43上的固定板44对天平进行固定。The balance is fixed by rotating the fixed
优选的,支撑结构50包括:一对支撑座51以及门型支撑架52;一对支撑座51安装于支撑底座10上表面边缘处,每个门型支撑架52安装于一对支撑座51上表面。Preferably, the
通过支撑座51上的门型支撑架52进行支撑。It is supported by the door-shaped
优选的,承载结构60包括:一对无盖承载壳体61、一对砝码盘62以及一对扣盖63;一对无盖承载壳体61安装于支撑底座10上表面,每个砝码盘62安装于相对应的无盖承载壳体61内,每个扣盖63安装于相对应的无盖承载壳体61上。Preferably, the load-
通过砝码盘62承装砝码。Weights are accommodated by the
优选的,夹取结构70包括:一对电控滑道71、一对第一电控滑块72、一对第一固定支撑架73、一对第二电控伸缩杆74、一对第一固定块75以及一对电控夹手76;一对电控滑道71安装于门型支撑架52下表面,每个第一电控滑块72安装于相对应的电控滑道71上,每个第一固定支撑架73安装于相对应的第一电控滑块72上,每个第二电控伸缩杆74安装于相对应的第一固定支撑架73上,每个第一固定块75安装于相对应的第二电控伸缩杆74伸缩端上,每个电控夹手76安装于相对应的第一固定块75上。Preferably, the clamping
通过第二电控伸缩杆74上的电控夹手76对砝码进行夹取。The weight is clamped by the electronically controlled
优选的,清理结构80包括:一对第二电控滑块81、一对第二固定支撑架82、一对第三电控伸缩杆83、一对第二固定块84、一对支撑架85、一对旋转电机86以及一对清理刷87;每个第二电控滑块81安装于相对应的电控滑道71上,每个第二固定支撑架82安装于相对应的第二电控滑块81上,每个第三电控伸缩杆83安装于相对应的第二固定支撑架82上,每个第二固定块84安装于相对应的第三电控伸缩杆83伸缩端上,每个支撑架85安装于相对应的第二固定块84上,每个旋转电机86安装于相对应的支撑架85上,每个清理刷87安装于相对应的旋转电机86旋转端上。Preferably, the cleaning
通过旋转电机86上的清理刷87对天平托盘进行清理。The balance pallet is cleaned by the cleaning
优选的,支撑底座10上设有市电接口90,支撑底座10上设有控制器100。Preferably, the
通过支撑底座10上的市电接口90连接电源,通过支撑底座10上的控制器100进行控制。The power supply is connected through the mains interface 90 on the
一种高效天平检定方法,包括步骤如下:(1)、将天平放置于支撑底座10上表面中心处的矩形凹槽处,并通过转动固定板44进行固定;(2)、通过支撑底座10上的市电接口90连接电源,打开支撑底座10上的控制器100,然后启动装置,同时打开无盖承载壳体61上的扣盖63;(3)、通过第一电控伸缩杆22带动连接块23上的锥形杆24,并配合第一支撑架31上的水平仪32进行调整,使天平达到水平状态;(4)、通过控制器100上的案件,输入检测重量;(5)、电控滑道71带动第一电控滑块72进行移动,使电控夹手76位于砝码盘62上方,并夹起相对应的砝码;(6)、将夹起的砝码放置在天平托盘上,查看天平是否偏移,并进行记录调整;(7)、检测技术后,电控夹手76夹起砝码,将砝码归位,同时调整第三电控伸缩杆83,启动旋转电机86上的清理刷87对托盘进行清理;(8)、反复上述(4)-(7)步骤,进行3-4次检测;(9)、完成检定。An efficient balance verification method, comprising the following steps: (1), placing the balance on the rectangular groove at the center of the upper surface of the support base 10, and fixing it by rotating the fixing plate 44; (2), passing the balance on the support base 10 Connect the mains interface 90 to the power supply, open the controller 100 on the support base 10, then start the device, and open the button cover 63 on the coverless load-carrying shell 61 at the same time; Tapered rod 24 on the block 23, and cooperate with the level meter 32 on the first support frame 31 to adjust, make the balance reach level state; (4), by the case on the controller 100, input detection weight; (5), electric The control slideway 71 drives the first electric control slider 72 to move, so that the electric control gripper 76 is located above the weight plate 62, and the corresponding weight is clamped; (6), the clamped weight is placed on the balance On the tray, check whether the balance is shifted, and record and adjust; (7), after the detection technology, the electric control gripper 76 clamps the weight, returns the weight, and adjusts the third electric control telescopic rod 83 at the same time, and starts the rotation The cleaning brush 87 on the motor 86 cleans up the pallet; (8), repeat the above-mentioned (4)-(7) steps, and carry out 3-4 detections; (9), complete the verification.
实施例一:拿下的无盖承载壳体61上的扣盖63可用作天平的托盘进行使用。Embodiment 1: The
显然,上述实施例仅仅是为清楚地说明所作的举例,而并非对实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.
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