Label printing device with short circuit prevention function

文档序号:180561 发布日期:2021-11-02 浏览:67次 中文

阅读说明:本技术 一种具有防短路功能的标签打印装置 (Label printing device with short circuit prevention function ) 是由 贺宇 于 2021-08-04 设计创作,主要内容包括:本发明涉及一种具有防短路功能的标签打印装置,包括主体、通电机构和保护机构,通电机构设置在主体上,保护机构设置在通电机构上,通电机构包括通电组件、连接组件和防护组件,保护机构包括固定环、保护罩和限位组件,插头上设有报警单元,该具有防短路功能的标签打印装置,通过通电机构实现主体的通电,通过保护机构对通电机构进行保护,通过主体实现标签打印,该通电机构通过防护组件对温度进行在线监控,从而能及时发现短路问题,避免短路引发火灾,且该机构采用纯机械结构,避免温度传感器等装置的使用,提高了稳定性和使用寿命,同时该装置通过快速弹出插头,以及报警单元的警示,实现更好的预警防短路效果。(The invention relates to a label printing device with a short-circuit prevention function, which comprises a main body, a power-on mechanism and a protection mechanism, wherein the power-on mechanism is arranged on the main body, the protection mechanism is arranged on the power-on mechanism, the power-on mechanism comprises a power-on component, a connecting component and a protection component, the protection mechanism comprises a fixing ring, a protective cover and a limiting component, an alarm unit is arranged on a plug, the power-on mechanism realizes the power-on of the main body, the protection mechanism protects the power-on mechanism, the main body realizes the label printing, the power-on mechanism carries out on-line monitoring on the temperature through the protection component, thereby being capable of finding the problem of short circuit in time and avoiding the fire disaster caused by the short circuit, and the mechanism adopts a pure mechanical structure, avoids the use of devices such as a temperature sensor and the like, improves the stability and the service life, and simultaneously, the device rapidly pops up the plug, and the warning of the warning unit realizes better early warning and short circuit prevention effects.)

1. A label printing device with a short-circuit prevention function is characterized by comprising a main body (1), a power-on mechanism and a protection mechanism, wherein the power-on mechanism is arranged on the main body (1), and the protection mechanism is arranged on the power-on mechanism;

the electrifying mechanism comprises an electrifying assembly, a connecting assembly and a protecting assembly, the electrifying assembly comprises an electrifying unit and two connecting units, the electrifying unit comprises an electric wire (2) and a plug (3), the plug (3) is electrically connected with the main body (1) through the electric wire (2), the connecting assembly comprises two connecting units, the two connecting assemblies are respectively arranged on two conductive columns of the plug (3), the connecting assembly comprises two connecting units, the two connecting units are respectively arranged at two sides of the conductive columns, the connecting unit comprises an electric sheet (4) and a positioning unit, the electric sheet (4) is arranged at one side of the conductive columns, grooves are arranged on the conductive columns, the positioning units are arranged in the grooves, the positioning units are two, the two positioning units are respectively arranged at two sides of the grooves, and each positioning unit comprises a positioning pipe (5), a positioning rod (6) and a first spring (7), the positioning pipe (5) is arranged in the groove, one end of the positioning pipe (5) is hinged with the groove, one end of the positioning rod (6) is positioned in the positioning pipe (5), the other end of the positioning rod (6) extends out of the positioning pipe (5), the positioning rod (6) is connected with the positioning pipe (5) in a sliding manner, one end of the positioning rod (6) extending out of the positioning pipe (5) is hinged with the middle part of the electric sheet (4), the first spring (7) is arranged in the positioning pipe (5), one end of the first spring (7) is connected with the positioning pipe (5), the other end of the first spring (7) can be connected with the positioning rod (6), the electric sheet (4) is electrically connected with the conductive column through the positioning rod (6) and the positioning pipe (5), the protection assembly comprises a pushing unit and a pulling unit, the pushing unit comprises a sleeve (8) and a piston rod (9), the sleeve (8) is arranged in the conductive column, one end of the piston rod (9) is positioned in the sleeve (8), the other end of the piston rod (9) extends out of the sleeve (8), the piston of the piston rod (9) is connected with the sleeve (8) in a sealing mode, the pulling unit comprises two pull ropes (10), the two pull ropes (10) are respectively arranged on the two electric pieces (4), one end of each pull rope (10) is connected with the electric piece (4), and the other end of each pull rope (10) is connected with one end, positioned outside the sleeve (8), of the piston rod (9);

the protection mechanism comprises a fixing ring (11), a protection cover (12) and a limiting component, wherein the fixing ring (11) is sleeved on the plug (3), the fixing ring (11) is connected with the plug (3), the protection cover (12) is arranged on one side of the fixing ring (11), a round hole is arranged on the protection cover (12), the round hole is just opposite to a conductive column of the plug (3), the limiting component comprises a limiting rod (13) and a second spring (14), the limiting rod (13) is arranged on the protection cover (12), the limiting rod (13) penetrates through the fixing ring (11), the limiting rod (13) is in sliding connection with the fixing ring (11), the second spring (14) is sleeved on the limiting rod (13), the second spring (14) is positioned between the protection cover (12) and the fixing ring (11), one end of the second spring (14) is connected with the protection cover (12), the other end of the second spring (14) is connected with the fixed ring (11).

2. The label printing device with the short-circuit prevention function according to claim 1, wherein the plug (3) is provided with an alarm unit, the alarm unit comprises a fixed tube (15), a sealing block (16), a push rod (17), a pull rod (18), an air inlet tube (19), an air outlet tube (20) and a horn (21), the fixed tube (15) is arranged on the plug (3), the sealing block (16) is arranged in the fixed tube (15), the sealing block (16) is connected with the fixed tube (15) in a sealing manner, one end of the push rod (17) is arranged in the fixed tube (15), the other end of the push rod (17) extends out of the fixed tube (15), the pull rod (18) is arranged on the protective cover (12), the pull rod (18) is connected with one end of the push rod (17) which is arranged outside the fixed tube (15), the air inlet tube (19) and the air outlet tube (20) are both arranged at the top of the fixed tube (15), go into trachea (19) and outlet duct (20) and all with fixed pipe (15) inside intercommunication, loudspeaker (21) set up on outlet duct (20), loudspeaker (21) and outlet duct (20) inside intercommunication.

3. The label printing apparatus with short-circuit prevention function according to claim 2, wherein a check valve is provided at a junction of the inlet pipe (19) and the fixed pipe (15), and a check valve is provided at a junction of the outlet pipe (20) and the fixed pipe (15).

4. The label printing apparatus with short-circuit prevention function according to claim 1, wherein a positioning wheel (22) is provided on the drawing rope (10), and the drawing rope (10) is wound around the positioning wheel (22).

Technical Field

The present invention relates to a label printing apparatus having a short-circuit prevention function.

Background

Various types of labels are needed to be used in many places such as offices, factories, warehouses, markets and the like, for example, when clothes are purchased, a hang tag on the clothes, a train ticket, a boarding check, a luggage board, labels of commodities in a shop and the like are used.

The existing label printing device is generally driven by electric energy, a plug is generally inserted into a socket to be electrified when a circuit is connected, a better protection mechanism is not generally arranged on the socket and the plug, once dust and water vapor are accumulated, short circuit is easily caused, the short circuit can cause the electrified part to be scalded, even fire is caused, and serious economic and property loss is caused.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the label printing device with the short-circuit prevention function is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a label printing device with a short-circuit prevention function comprises a main body, a power-on mechanism and a protection mechanism, wherein the power-on mechanism is arranged on the main body;

the electrifying mechanism comprises an electrifying assembly, two connecting assemblies and two protection assemblies, the electrifying assembly comprises an electrifying unit and two connecting units, the electrifying unit comprises an electric wire and a plug, the plug is electrically connected with the main body through the electric wire, the two connecting assemblies are respectively arranged on two conductive posts of the plug, the connecting assemblies comprise two connecting units, the two connecting units are respectively arranged at two sides of the conductive posts, each connecting unit comprises an electric sheet and a positioning unit, the electric sheet is arranged at one side of the conductive post, a groove is arranged on the conductive post, the positioning units are arranged in the grooves, the two positioning units are respectively arranged at two sides of the grooves, each positioning unit comprises a positioning pipe, a positioning rod and a first spring, the positioning pipes are arranged in the grooves, and one end of each positioning pipe is hinged with the grooves, one end of the positioning rod is positioned in the positioning tube, the other end of the positioning rod extends out of the positioning tube, the positioning rod is connected with the positioning tube in a sliding manner, one end of the positioning rod, which extends out of the positioning tube, is hinged with the middle part of the electric sheet, the first spring is arranged in the positioning tube, one end of the first spring is connected with the positioning tube, the other end of the first spring can be connected with the positioning rod, the electric sheet is electrically connected with the conductive post through the positioning rod and the positioning tube, the protection assembly comprises a pushing unit and a pulling unit, the pushing unit comprises a sleeve and a piston rod, the sleeve is arranged in the conductive post, one end of the piston rod is positioned in the sleeve, the other end of the piston rod extends out of the sleeve, the piston of the piston rod is hermetically connected with the sleeve, the pulling unit comprises two pull ropes, the two pull ropes are respectively arranged on the two electric sheets, and one end of the pull rope is connected with the electric sheet, the other end of the pull rope is connected with one end of the piston rod, which is positioned outside the sleeve;

the protection mechanism comprises a fixing ring, a protection cover and a limiting assembly, the fixing ring is sleeved on the plug, the fixing ring is connected with the plug, the protection cover is arranged on one side of the fixing ring, a round hole is formed in the protection cover, the round hole is just opposite to the conductive column of the plug, the limiting assembly comprises a limiting rod and a second spring, the limiting rod is arranged on the protection cover, the limiting rod penetrates through the fixing ring, the limiting rod is in sliding connection with the fixing ring, the second spring is sleeved on the limiting rod, the second spring is located between the protection cover and the fixing ring, one end of the second spring is connected with the protection cover, and the other end of the second spring is connected with the fixing ring.

In order to realize better protecting effect, be equipped with alarm unit on the plug, alarm unit is including fixed pipe, sealed piece, push rod, pull rod, income trachea, outlet duct and loudspeaker, fixed pipe setting is on the plug, sealed piece sets up in fixed intraductal, sealed piece and fixed tub of sealing connection, the one end of push rod is located fixed intraductal, the other end of push rod stretches out outside the fixed pipe, the pull rod sets up on the guard shield, the pull rod is located the one end outside the fixed pipe with the push rod and is connected, it all sets up at fixed tub of top to go into trachea and outlet duct, go into trachea and outlet duct all with fixed intraduct intercommunication, loudspeaker set up on the outlet duct, loudspeaker and the inside intercommunication of outlet duct.

In order to enable air to enter the sleeve only through the air inlet pipe and then to be discharged through the air outlet pipe, a one-way valve is arranged at the joint of the air inlet pipe and the fixed pipe, and a one-way valve is arranged at the joint of the air outlet pipe and the fixed pipe.

In order to better limit the pull rope, the pull rope is provided with a positioning wheel, and the pull rope bypasses the positioning wheel.

The label printing device with the short-circuit prevention function has the advantages that the electrification of the main body is realized through the electrification mechanism, the electrification mechanism is protected through the protection mechanism, and label printing is realized through the main body.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of a label printing apparatus having a short-circuit prevention function of the present invention;

FIG. 2 is a schematic view of a connection structure of a power-on mechanism, a protection mechanism and an early warning unit of the label printing device with the short-circuit prevention function of the invention;

fig. 3 is a schematic structural view of a power-on mechanism of the label printing apparatus with the short-circuit prevention function of the present invention;

fig. 4 is a schematic structural view of a power-on mechanism of the label printing apparatus with the short-circuit prevention function of the present invention;

in the figure: 1. the novel electric wire fixing device comprises a main body, 2 electric wires, 3 plugs, 4 electric pieces, 5 positioning pipes, 6 positioning rods, 7 first springs, 8 sleeves, 9 piston rods, 10 pull ropes, 11 fixing rings, 12 protective covers, 13 limiting rods, 14 second springs, 15 fixing pipes, 16 sealing blocks, 17 push rods, 18 pull rods, 19 air inlet pipes, 20 air outlet pipes, 21 horns and 22 positioning wheels.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a label printing apparatus with a short-circuit prevention function includes a main body 1, an energizing mechanism provided on the main body 1, and a protection mechanism provided on the energizing mechanism;

when the device is used, the main body 1 is electrified through the electrifying mechanism, the electrifying mechanism is protected through the protecting mechanism, and label printing is realized through the main body 1.

As shown in fig. 2-4, the energizing mechanism includes an energizing assembly, two connecting assemblies and two protection assemblies, the energizing assembly includes an energizing unit and two connecting units, the energizing unit includes an electric wire 2 and a plug 3, the plug 3 is electrically connected with the main body 1 through the electric wire 2, the two connecting assemblies are respectively disposed on two conductive posts of the plug 3, the connecting assembly includes two connecting units, the two connecting units are respectively disposed at two sides of the conductive posts, the connecting unit includes an electric sheet 4 and two positioning units, the electric sheet 4 is disposed at one side of the conductive posts, the conductive posts are provided with grooves, the positioning units are disposed in the grooves, the two positioning units are respectively disposed at two sides of the grooves, the positioning units include a positioning tube 5, a positioning rod 6 and a first spring 7, the positioning tube 5 is disposed in the grooves, one end of the positioning tube 5 is hinged with the groove, one end of the positioning rod 6 is positioned in the positioning tube 5, the other end of the positioning rod 6 extends out of the positioning tube 5, the positioning rod 6 is connected with the positioning tube 5 in a sliding manner, one end of the positioning rod 6 extending out of the positioning tube 5 is hinged with the middle part of the electric sheet 4, the first spring 7 is arranged in the positioning tube 5, one end of the first spring 7 is connected with the positioning tube 5, the other end of the first spring 7 can be connected with the positioning rod 6, the electric sheet 4 is electrically connected with the conductive post through the positioning rod 6 and the positioning tube 5, the protection assembly comprises a pushing unit and a pulling unit, the pushing unit comprises a sleeve 8 and a piston rod 9, the sleeve 8 is arranged in the conductive post, one end of the piston rod 9 is positioned in the sleeve 8, the other end of the piston rod 9 extends out of the sleeve 8, and a piston of the piston rod 9 is hermetically connected with the sleeve 8, the pulling unit comprises two pulling ropes 10, the two pulling ropes 10 are respectively arranged on the two electric pieces 4, one end of each pulling rope 10 is connected with the electric piece 4, and the other end of each pulling rope 10 is connected with one end, located outside the sleeve 8, of the piston rod 9;

the plug 3 is inserted into the socket, the conductive column on the plug 3 is inserted into the hole on the socket, here, the first spring 7 is in a deformation state, the restoring force of the first spring 7 generates outward thrust to the positioning rod 6, thereby generating outward thrust to the electric sheet 4, thereby leading the electric sheet 4 to be tightly attached to the conductive sheet 4 in the socket, thereby leading the electric sheet 4 to be electrified, thereby realizing the electrification of the plug 3 and further supplying power to the main body 1, here, the electric sheet 4 is pressed on the conductive sheet 4 in the socket all the time through the first spring 7, thereby avoiding the electric sheet 4 from loosening, realizing better electrification effect, here, the sleeve 8 is internally provided with easily expandable gas, when in an initial state, the temperature on the conductive column is lower, the gas in the sleeve 8 does not expand at the moment, when a short circuit problem exists between circuits, the temperature in the socket can rise, thereby leading the temperature of the gas in the sleeve 8 to rise, thereby make gaseous emergence inflation, gas drive piston rod 9 outwards removes, and piston rod 9 drive stay cord 10 removes for stay cord 10 length between positioning wheel 22 and the piston rod 9 lengthens, thereby makes the length between positioning wheel 22 and the electric piece 4 shorten, thereby makes electric piece 4 move into in the recess, thereby removes with the socket in the conducting strip 4 support the state, thereby cuts off the power supply, thereby realizes preventing the short circuit.

As shown in fig. 2, the protection mechanism includes a fixing ring 11, a protection cover 12 and a limiting component, the fixing ring 11 is sleeved on the plug 3, the fixing ring 11 is connected with the plug 3, the protection cover 12 is arranged on one side of the fixing ring 11, a round hole is arranged on the protection cover 12, the round hole is aligned to the conductive column of the plug 3, the limiting component includes a limiting rod 13 and a second spring 14, the limiting rod 13 is arranged on the protection cover 12, the limiting rod 13 passes through the fixing ring 11, the limiting rod 13 is slidably connected with the fixing ring 11, the second spring 14 is sleeved on the limiting rod 13, the second spring 14 is located between the protection cover 12 and the fixing ring 11, one end of the second spring 14 is connected with the protection cover 12, and the other end of the second spring 14 is connected with the fixing ring 11.

When the plug 3 moves, the fixed ring 11 is driven to move, the fixed ring 11 drives the second spring 14 to move, the second spring 14 drives the protective cover 12 to move, so that the protective cover 12 is sleeved on the socket, the joint of the socket and the plug 3 is protected, dust is prevented from entering the socket, and the short circuit risk is reduced, along with the insertion of the plug 3 into the socket, the protective cover 12 is abutted against the socket and cannot move, so that the fixed ring 11 approaches towards the protective cover 12, so that the second spring 14 deforms, the restoring force of the second spring 14 generates outward thrust on the fixed ring 11, when a circuit is normally powered on, the electric sheet 4 always abuts against the conductive sheet 4 in the socket, at the moment, the restoring force of the first spring 7 is larger than that of the second spring 14, so that the second spring 14 cannot drive the plug 3 to move, and when a short circuit problem occurs, the electric sheet 4 is separated from the conductive sheet 4, therefore, the conductive column is not blocked, and the conductive column can be quickly ejected out under the restoring force of the second spring 14, so that the plug 3 is quickly separated from the socket, the power failure is stopped, and the better short-circuit prevention effect is realized.

As shown in fig. 2, be equipped with alarm unit on plug 3, alarm unit includes fixed pipe 15, sealed piece 16, push rod 17, pull rod 18, income trachea 19, outlet duct 20 and loudspeaker 21, fixed pipe 15 sets up on plug 3, sealed piece 16 sets up in fixed pipe 15, sealed piece 16 and fixed pipe 15 sealing connection, the one end of push rod 17 is located fixed pipe 15, the other end of push rod 17 stretches out outside fixed pipe 15, pull rod 18 sets up on protecting cover 12, pull rod 18 is located the outer one end of fixed pipe 15 with push rod 17 and is connected, it all sets up at fixed pipe 15 top to go into trachea 19 and outlet duct 20, it all communicates with fixed pipe 15 is inside to go into trachea 19 and outlet duct 20, loudspeaker 21 sets up on outlet duct 20, loudspeaker 21 communicates with outlet duct 20 is inside.

When the plug 3 is inserted into the socket, the fixing ring 11 moves towards the protective cover 12, so that the fixing tube 15 moves towards the protective cover 12, the sealing block 16 moves in the fixing tube 15, the space of a sealing cavity formed by the sealing block 16 and the fixing tube 15 is enlarged, the air pressure in the sealing cavity is reduced, the external air enters the fixing tube 15 through the air inlet tube 19 to be filled, when a short circuit occurs and the plug 3 is quickly disconnected from the socket, the plug 3 moves reversely, the fixing tube 15 moves reversely, the space of the sealing cavity is reduced, the air in the sealing cavity is discharged through the air outlet tube 20, the discharged air blows the horn 21, warning sound is generated, operators are warned in time, the device is maintained in time, potential safety hazards are avoided, the reverse valve on the air inlet tube 19 only can be used for air inlet and cannot be used for air outlet, here, the one-way valve on the air outlet pipe 20 can only discharge air and can not enter air, so that the air can only enter the fixed pipe 15 through the air inlet pipe 19 and then is discharged through the air outlet pipe 20.

The joint of the air inlet pipe 19 and the fixed pipe 15 is provided with a one-way valve, and the joint of the air outlet pipe 20 and the fixed pipe 15 is provided with a one-way valve.

The pull rope 10 is provided with a positioning wheel 22, and the pull rope 10 bypasses the positioning wheel 22.

When the device is used, the plug 3 is inserted into a socket, a conductive column on the plug 3 is inserted into a hole on the socket, the first spring 7 is in a deformation state, the restoring force of the first spring 7 generates outward thrust on the positioning rod 6, so that the outward thrust is generated on the electric sheet 4, so that the electric sheet 4 is tightly attached to the conductive sheet 4 in the socket, so that the electric sheet 4 is electrified, the plug 3 is electrified, the main body 1 is powered, the electric sheet 4 is always pressed on the conductive sheet 4 in the socket through the first spring 7, so that the electric sheet 4 is prevented from loosening, a better electrification effect is realized, the plug 3 moves, the fixing ring 11 is driven to move, the fixing ring 11 drives the second spring 14 to move, the second spring 14 drives the protective cover 12 to move, the protective cover 12 is sleeved on the socket, so that the joint of the socket and the plug 3 is protected, thereby avoiding dust entering the socket, thereby reducing the risk of short circuit, along with the plug 3 inserting into the socket, the protective cover 12 is abutted against the socket and can not move, thereby enabling the fixing ring 11 to approach towards the protective cover 12, thereby enabling the second spring 14 to deform, the restoring force of the second spring 14 generates outward thrust to the fixing ring 11, and when the circuit is normally powered on, the electric sheet 4 always abuts against the electric sheet 4 in the socket, at the moment, the restoring force of the first spring 7 is larger than the restoring force of the second spring 14, thereby enabling the second spring 14 not to drive the plug 3 to move, thereby supplying power to the main body 1, then operating the main body 1 to realize label printing, wherein the easy-expansion gas is arranged in the sleeve 8, during the initial state, the temperature on the electric sheet is lower, the gas in the sleeve 8 can not expand at the moment, when the problem of short circuit exists, the temperature in the socket can rise, thereby make the gaseous temperature rise in the sleeve pipe 8, thereby make gaseous emergence inflation, gas drive piston rod 9 outwards removes, piston rod 9 drive stay cord 10 removes, make stay cord 10 length between positioning wheel 22 and the piston rod 9 lengthen, thereby make the length between positioning wheel 22 and the electric plate 4 shorten, thereby make electric plate 4 move into in the recess, thereby relieve with the socket in the conducting strip 4 support the state, thereby cut off the power supply, thereby realize preventing the short circuit, electric plate 4 and conducting strip 4 throw off simultaneously, thereby make to lead electrical pillar and can not receive blockking, thereby will pop out fast under the restoring force effect of second spring 14, thereby make plug 3 throw off with the socket fast, the outage stops, thereby realize better short circuit prevention effect.

When the plug 3 is inserted into the socket, the fixing ring 11 moves towards the protective cover 12, so that the fixing tube 15 moves towards the protective cover 12, the sealing block 16 moves in the fixing tube 15, the space of a sealing cavity formed by the sealing block 16 and the fixing tube 15 is enlarged, the air pressure in the sealing cavity is reduced, the external air enters the fixing tube 15 through the air inlet tube 19 to be filled, when a short circuit occurs and the plug 3 is quickly disconnected from the socket, the plug 3 moves reversely, the fixing tube 15 moves reversely, the space of the sealing cavity is reduced, the air in the sealing cavity is discharged through the air outlet tube 20, the discharged air blows the horn 21, warning sound is generated, operators are warned in time, the device is maintained in time, potential safety hazards are avoided, the reverse valve on the air inlet tube 19 only can be used for air inlet and cannot be used for air outlet, here, the one-way valve on the air outlet pipe 20 can only discharge air and can not enter air, so that the air can only enter the fixed pipe 15 through the air inlet pipe 19 and then is discharged through the air outlet pipe 20.

Compared with the prior art, this label printing device with prevent short circuit function, realize the circular telegram of main part 1 through circular telegram mechanism, protect circular telegram mechanism through protection mechanism, realize label printing through main part 1, compare with current circular telegram mechanism, this mechanism carries out online monitoring to the temperature through protection component, thereby can in time discover the short circuit problem, avoid the short circuit to cause the conflagration, and this mechanism adopts pure mechanical structure, avoid the use of devices such as temperature sensor, stability and life have been improved, the device pops out plug 3 through protection mechanism fast simultaneously, and alarm unit's warning, realize better early warning and prevent the short circuit effect.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

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