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CN105464474B - The electric opening instrument and its circuit control method of a kind of anti-theft tag - Google Patents

The electric opening instrument and its circuit control method of a kind of anti-theft tag Download PDF

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Publication number
CN105464474B
CN105464474B CN201510991196.XA CN201510991196A CN105464474B CN 105464474 B CN105464474 B CN 105464474B CN 201510991196 A CN201510991196 A CN 201510991196A CN 105464474 B CN105464474 B CN 105464474B
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CN
China
Prior art keywords
motor
drive shaft
theft tag
limit switch
falsework
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Active
Application number
CN201510991196.XA
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Chinese (zh)
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CN105464474A (en
Inventor
杨飞龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo city Beilun Keith Connaught Electronics Technology Factory
Original Assignee
Ningbo City Beilun District Chaiqiao Zhijian Machinery Plant
Priority date (The priority date 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 date listed.)
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Application filed by Ningbo City Beilun District Chaiqiao Zhijian Machinery Plant filed Critical Ningbo City Beilun District Chaiqiao Zhijian Machinery Plant
Priority to CN201510991196.XA priority Critical patent/CN105464474B/en
Publication of CN105464474A publication Critical patent/CN105464474A/en
Application granted granted Critical
Publication of CN105464474B publication Critical patent/CN105464474B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B19/00Keys; Accessories therefor
    • E05B19/20Skeleton keys; Devices for picking locks; Other devices for similar purposes ; Means to open locks not otherwise provided for, e.g. lock pullers

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  • Burglar Alarm Systems (AREA)

Abstract

The invention discloses the electric opening instrument and its circuit control method of a kind of anti-theft tag, including housing, motor is provided with housing, control circuit, switch combination and drive shaft, feature is the falsework for also including being surrounded by two symmetrically arranged rectangle pillars, the upper end of falsework is provided with label horizontal slot, the bottom of falsework is fixed on base, the middle cavity of falsework be disposed with from down to up can along drive shaft turns eccentric cam and the movable block that can be moved up and down along falsework, the upper surface of movable block is provided with the cylindrical push rod of two used cooperatively with the groove on anti-theft tag, the lower surface of movable block sets the pulley being slidably matched with eccentric cam, the both sides of movable block are connected with back-moving spring, the lower end of back-moving spring is fixed on described base, drive shaft drives eccentric cam to make circular movement centered on the drive shaft by described falsework, advantage is simple in construction, it is easy to operate.

Description

The electric opening instrument and its circuit control method of a kind of anti-theft tag
Technical field
The present invention relates to a kind of electric opening instrument, more particularly, to the electric opening instrument and its electricity of a kind of anti-theft tag Road control method.
Background technology
In self-selection store market, anti-theft tag is widely used, have it is a kind of be locking type anti-theft tag, such label
One locking device is fabricated to using specific mechanical structure, coordinated by locking device and Anti-theft nail, will be antitheft Label is fixed on commodity, only could open this kind of anti-theft tag with corresponding magnetic opener, and customer free-hand can not beat Anti-theft tag is opened, antitheft purpose is reached with this.The shortcoming of magnetic anti-theft label is:This kind of anti-theft tag can be any one Block magnetite is opened, and the one block of magnetite that may be carried by other people opens this kind of anti-theft tag so that anti-theft tag loses antitheft Function.
In order to improve the theftproof performance of anti-theft tag, someone have developed a kind of new article anti-theft label, and it includes lock
Tight part and antitheft pin, locking member fix antitheft pin, and antitheft pin is fixed through article, and its concrete structure is anti- Steal and annular groove is provided with pin, locking member includes bar plastic housing and the stay in bar plastic housing, bar shaped The one side of plastic casing is provided with antitheft pin jack, and the one side of bar plastic housing is provided with two grooves, two groove distributions In the both sides of antitheft pin jack, stay includes a circular arc ring with opening, and circular arc ring is corresponding with antitheft pin jack position, The two ends of stay are compression zone, and antitheft pin inserts antitheft pin jack and circular arc ring is caught in annular groove, and Anti-theft nail is pinned.When After compression zone stress, stay along circular arc ring rotate while, circular arc ring is opened, and circular arc ring is moved up from the annular groove of Anti-theft nail Go out, so as to which Anti-theft nail is extracted.Manual opener existing at present, but because of its troublesome poeration, the reason such as waste time and energy, no Beneficial to promoting the use for this kind of anti-theft device.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of driven opening of anti-theft tag simple in construction, easy to operate Open instrument and its circuit control method.
The present invention solve the technical scheme that is used of above-mentioned technical problem for:
1st, a kind of electric opening instrument of anti-theft tag, including housing, described housing includes mask and base, described Motor, control circuit, switch combination and drive shaft are provided with mask, described switch combination connects with described control circuit Connect, described control circuit and described motor connection, described motor drive described drive shaft turns by travelling gear, Also include the falsework surrounded by two symmetrically arranged rectangle pillars, the upper end of described falsework is provided with label level Slot, the bottom of described falsework is fixed on described base, and the middle cavity of described falsework is from down to up successively Be provided with can along described drive shaft turns eccentric cam and the movable block that can be moved up and down along described falsework, it is described The upper surface of movable block is provided with used cooperatively with the groove on anti-theft tag two cylindrical push rods, described movable block Lower surface sets the pulley being slidably matched with described eccentric cam, and the both sides of described movable block are connected to reset bullet Spring, the lower end of described back-moving spring is fixed on described base, and described drive shaft drives institute by described falsework The eccentric cam stated makees the circular movement of certain amplitude centered on the drive shaft, and described movable block is described eccentric convex Peak position is moved upward under the driving of wheel, described cylindrical push rod is just pressed on the groove of described anti-theft tag In, after the stay of described anti-theft tag is pressurized, the Anti-theft nail on described anti-theft tag removes stay, described driving Axle makees the circular arc of opposite direction same magnitude by the described eccentric cam of described falsework drive centered on the drive shaft Motion, described movable block is moved downwardly to original position in the presence of described back-moving spring.
Label level is provided with described mask and puts groove, the bottom that described label level puts groove is provided with Two push rod perforation, the both sides that described label level puts groove are respectively arranged with label horizontal slot exposed hole, described Anti-theft tag is placed in described label level storing groove and inlay card is in described label horizontal slot, described cylinder Push rod enters described label level by described push rod perforation and put in groove.
Described switch combination includes setting on trigger switch, high-order limit switch and low level limit switch, described base Switch fixed mount is equipped with, described trigger switch, described high-order limit switch and described low level limit switch are from top to bottom It is successively set on described switch fixed mount, described trigger switch is arranged on the position flushed with described label horizontal slot Put, described high-order limit switch is arranged on the end position in described eccentric cam rotation amplitude, described low level is spacing Switch is arranged on the original position in described eccentric cam rotation amplitude, described trigger switch, described high-order spacing opens Close and described low level limit switch is connected with described control circuit respectively.
Described trigger switch, described high-order limit switch are identical with described low level limit switch three's structure, institute The trigger switch stated includes Switch main body and metallic elastic tabletting, and the upper end of described metallic elastic tabletting is for free end and outside Power effect is lower to be abutted with the metallic object of described Switch main body, and the lower end of described metallic elastic tabletting is fixed on described open Close the bottom of body.
The gearbox fixed mount that gearbox is additionally provided with described housing and is fixed on base, described motor with Described gearbox is fixedly connected, and described gearbox is fixed on described gearbox fixed mount, and described travelling gear is set Put in described gearbox, described drive shaft is connected by described travelling gear with described motor, described Drive shaft level sequentially passes through described gearbox, described gearbox fixed mount and described falsework, described drive shaft Annular copper sheathing is provided between described gearbox, between described drive shaft and described falsework and described driving Bearing is respectively arranged between axle and described gearbox fixed mount.
The described circuit working method that controls is:
Described trigger switch connects and then sent the working signal for opening motor, described control circuit reception work letter Number simultaneously controlled motor start;
Described high-order limit switch connects and then sent the halt signal for disconnecting motor, and described control circuit receives temporary Stopping signal, controlled motor disconnects simultaneously, when the described motor off-air time reaching default high-order time out, then institute The control circuit controlled motor stated starts and opposite direction is rotated;
Described low level limit switch connects and then sent the halt signal for disconnecting motor, and described control circuit receives temporary Stopping signal, controlled motor disconnects simultaneously, when the described motor off-air time reaching default low level time out, then institute The control circuit controlled motor stated starts and rotated by former direction.
2nd, the circuit control method of the electric opening instrument of above-mentioned anti-theft tag, is comprised the following steps that:
(1)Anti-theft tag is inserted into described label horizontal slot and described anti-theft tag is supported with described trigger switch Connect, described trigger switch connects and then sent the working signal for opening motor, and it is same that described control circuit receives working signal When control electric motor starting, described motor drives drive shaft turns by travelling gear, and described drive shaft passes through falsework band Dynamic eccentric cam makees circular movement centered on the drive shaft, described movable block under the driving of described eccentric cam to On move to peak position, described cylindrical push rod is pressed in the groove of described anti-theft tag, while described is inclined Cardiac prominence wheel is abutted with described high-order limit switch;
(2)Described high-order limit switch connects and then sent the halt signal for disconnecting motor, and described control circuit connects Receiving halt signal, controlled motor disconnects simultaneously, when the described motor off-air time reaching default high-order time out, Then described control circuit controlled motor starts and opposite direction is rotated;Described motor drives described driving by travelling gear Axle opposite direction rotates up to described eccentric cam and abutted with described low level limit switch, while described movable block is resetting Original position is moved downwardly in the presence of spring;
(3)Described low level limit switch connects and then sent the halt signal for disconnecting motor, and described control circuit connects Receiving halt signal, controlled motor disconnects simultaneously, interior in default low level time out, extracts described anti-theft tag, completes anti- Steal the electric opening work of label;
(4)When the described motor off-air time reaching default low level time out, then described control circuit Controlled motor, which starts and presses former direction, to be rotated, and the electric opening work of anti-theft tag is so repeated.
Compared with prior art, the advantage of the invention is that:A kind of electric opening instrument of anti-theft tag of the present invention and its Circuit control method, is put in label level by anti-theft tag and puts after groove, control circuit start motor is rotated, and motor is by passing Moving gear drives drive shaft turns, and drive shaft drives eccentric cam to make circular movement centered on the drive shaft, while movable Block moves to a high position under eccentric cam promotion, and cylindrical push rod is pressed in the groove of anti-theft tag the circular arc until locking member Ring removes the annular groove of antitheft pin;Drive shaft drives eccentric cam to make opposite direction circular movement centered on the drive shaft, living Motion block is returned to original position in the presence of back-moving spring, extracts anti-theft tag, completes the electric opening work of anti-theft tag. This electric opening instrument, simple in construction, operation is very easy.
Brief description of the drawings
Fig. 1 is the overall structure diagram one of the electric opening instrument of anti-theft tag of the present invention;
Fig. 2 is the overall structure diagram two of the electric opening instrument of anti-theft tag of the present invention;
Fig. 3 is the internal structure schematic diagram one of the electric opening instrument of anti-theft tag of the present invention;
Fig. 4 is the internal structure schematic diagram two of the electric opening instrument of anti-theft tag of the present invention;
Fig. 5 is the internal structure schematic diagram three of the electric opening instrument of anti-theft tag of the present invention;
Fig. 6 is the structural representation one of inventive shell;
Fig. 7 is the structural representation two of inventive shell;
Fig. 8 is switch combination structural representation of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Specific embodiment one
A kind of electric opening instrument of anti-theft tag, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, including housing 1, housing 1 Including mask 2 and base 3, motor 4, control circuit 5, switch combination and drive shaft 6, switch combination and control are provided with mask 2 Circuit 5 processed is connected, control circuit 5 be connected with motor 4, motor 4 by travelling gear drive drive shaft 6 rotate, its also including by The falsework 7 that two symmetrically arranged rectangle pillars are surrounded, the upper end of falsework 7 is provided with label horizontal slot 8, falsework 7 bottom is fixed on the base 3, and the middle cavity of falsework 7 is disposed with the bias that can be rotated along drive shaft 6 from down to up Cam 9 and the movable block 10 that can be moved up and down along falsework 7, the upper surface of movable block 10 is provided with and the groove on anti-theft tag The two cylindrical push rods 11 used cooperatively, the lower surface of movable block 10 sets the pulley 12 being slidably matched with eccentric cam 9, living The both sides of motion block 10 are connected to back-moving spring 13, and the lower end of back-moving spring 13 is fixed on the base 3, and drive shaft 6 passes through work Making frame 7 drives eccentric cam 9 to make the circular movement of certain amplitude centered on the drive shaft 6, and movable block 10 is in eccentric cam 9 Driving under move upward to peak position, cylindrical push rod 11 is just pressed in the groove of anti-theft tag, anti-theft tag Stay be pressurized after, Anti-theft nail on anti-theft tag removes stay, drive shaft 6 by falsework 7 drive eccentric cam 9 with Make the circular movement of opposite direction same magnitude centered on the drive shaft 6, movable block 10 is downward in the presence of back-moving spring 13 Move to original position.
In this particular embodiment, as shown in Figure 6 and Figure 7, label level is provided with mask 2 and puts groove 14, label The bottom that level puts groove 14 is provided with two push rod perforation 15, and the both sides that label level puts groove 14 are respectively arranged with mark Horizontal slot exposed hole 16 is signed, anti-theft tag is placed in label level storing groove 14 and inlay card is in label horizontal slot 8, circle Cylindricality push rod 11 enters label level by push rod perforation 15 and put in groove 14.
In this particular embodiment, as shown in figure 8, switch combination includes trigger switch 17, high-order limit switch 18 and low Position limit switch 19, is provided with switch fixed mount 20 on base 3, trigger switch 17, high-order limit switch 18 and low level is spacing opens Close 19 to be successively set on from top to bottom on switch fixed mount 20, trigger switch 17 is arranged on the position flushed with label horizontal slot 8 Put, high-order limit switch 18 is arranged on the end position in the rotation amplitude of eccentric cam 9, low level limit switch 19 is arranged on bias Original position in the rotation amplitude of cam 9, trigger switch 17, high-order limit switch 18 and low level limit switch 19 respectively with control Circuit 5 is connected.
In this particular embodiment, trigger switch 17, high-order limit switch 18 and the three's structure phase of low level limit switch 19 Together, trigger switch 17 includes Switch main body 21 and metallic elastic tabletting 22, the upper end of metallic elastic tabletting 22 for free end and External force effect is lower to be abutted with the metallic object of Switch main body 21, and the lower end of metallic elastic tabletting 22 is fixed on the bottom of Switch main body 21 Portion.
In this particular embodiment, gearbox 23 is additionally provided with housing 1 and fixed gearbox on the base 3 is fixed Frame 24, motor 4 is fixedly connected with gearbox 23, and gearbox 23 is fixed on gearbox fixed mount 24, travelling gear(Do not show in figure Show)It is arranged in gearbox 23, drive shaft 6 is connected by travelling gear with motor 4, the level of drive shaft 6 sequentially passes through change Fast case 23, gearbox fixed mount 24 and falsework 7, are provided with annular copper sleeve ring between drive shaft 6 and gearbox 23(Do not show in figure Show), bearing is respectively arranged between drive shaft 6 and falsework 7 and between drive shaft 6 and gearbox fixed mount 24(In figure not Display).
In this particular embodiment, the circuit working method is controlled to be:
Trigger switch 17 connects and then sent the working signal for opening motor 4, and control circuit 5 receives the same time control of working signal Motor 4 processed starts;
High-order limit switch 18 connects and then sent the halt signal for disconnecting motor 4, and it is same that control circuit 5 receives halt signal When controlled motor 4 disconnect, when the off-air time of motor 4 reaching default high-order time out, then control circuit 5 control electricity Machine 4 starts and opposite direction is rotated;
Low level limit switch 19 connects and then sent the halt signal for disconnecting motor 4, and it is same that control circuit 5 receives halt signal When controlled motor 4 disconnect, when the off-air time of motor 4 reaching default low level time out, then control circuit 5 control electricity Machine 4 starts and rotated by former direction.
Specific embodiment two
A kind of circuit control method of the electric opening instrument of anti-theft tag, as Figure 1-Figure 8, is comprised the following steps that:
(1)Anti-theft tag is inserted into label horizontal slot 8 and anti-theft tag is abutted with trigger switch 17, trigger switch 17 connects The working signal for opening motor 4 is tapped into and sends, control circuit 5 receives working signal, and controlled motor 4 starts simultaneously, and motor 4 leads to Crossing travelling gear drives drive shaft 6 to rotate, and drive shaft 6 drives eccentric cam 9 to make to justify centered on the drive shaft 6 by falsework Arcuate movement, movable block 10 moves upward to peak position under the driving of described eccentric cam 9, and cylindrical push rod is compressed In the groove of anti-theft tag, while eccentric cam 9 is abutted with high-order limit switch 18;
(2)High-order limit switch 18 connects and then sent the halt signal for disconnecting motor 4, and control circuit 5 receives pause letter Number simultaneously controlled motor 4 disconnect, when the off-air time of motor 4 reaching default high-order time out, then control circuit 5 control Motor 4 processed starts and opposite direction is rotated;Motor 4 by travelling gear drive the opposite direction of drive shaft 6 rotate up to eccentric cam 9 with Low level limit switch 19 is abutted, while movable block 10 is moved downwardly to original position in the presence of back-moving spring 13;
(3)Low level limit switch 19 connects and then sent the halt signal for disconnecting motor 4, and control circuit 5 receives pause letter Number simultaneously controlled motor 4 disconnect, it is interior in default low level time out, extract anti-theft tag, complete anti-theft tag it is electronic Open work;
(4)When the off-air time of motor 4 reaching default low level time out, then the controlled motor 4 of circuit 5 is controlled to open Move and press former direction and rotate, the electric opening work of anti-theft tag is so repeated.
In this particular embodiment, as shown in fig. 6, switch combination includes trigger switch 17, high-order limit switch 18 and low Position limit switch 19, is provided with switch fixed mount 20 on base 3, trigger switch 17, high-order limit switch 18 and low level is spacing opens Close 19 to be successively set on from top to bottom on switch fixed mount 20, trigger switch 17 is arranged on the position flushed with label horizontal slot 8 Put, high-order limit switch 18 is arranged on the end position in the rotation amplitude of eccentric cam 9, low level limit switch 19 is arranged on bias Original position in the rotation amplitude of cam 9, trigger switch 17, high-order limit switch 18 and low level limit switch 19 respectively with control Circuit 5 is connected.
In this particular embodiment, trigger switch 17, high-order limit switch 18 and the three's structure phase of low level limit switch 19 Together, trigger switch 17 includes Switch main body 21 and metallic elastic tabletting 22, the upper end of metallic elastic tabletting 22 for free end and External force effect is lower to be abutted with the metallic object of Switch main body 21, and the lower end of metallic elastic tabletting 22 is fixed on the bottom of Switch main body 21 Portion.
Certainly, described above not limitation of the present invention, the present invention is also not limited to the example above.The art Those of ordinary skill is in the essential scope of the present invention, the variations, modifications, additions or substitutions made, and should also belong to the present invention's Protection domain.

Claims (7)

1. a kind of electric opening instrument of anti-theft tag, including housing, described housing include mask and base, described mask Motor, control circuit, switch combination and drive shaft are inside provided with, described switch combination is connected with described control circuit, institute Control circuit and the described motor connection stated, described motor drive described drive shaft turns by travelling gear, and it is special Levy and be:Also include the falsework surrounded by two symmetrically arranged rectangle pillars, the upper end of described falsework is provided with Label horizontal slot, the bottom of described falsework is fixed on described base, and the middle cavity of described falsework is under To be above disposed with can be along described drive shaft turns eccentric cam and the activity that can be moved up and down along described falsework Block, the upper surface of described movable block is provided with the cylindrical push rod of two used cooperatively with the groove on anti-theft tag, described The lower surface of movable block the pulley being slidably matched with described eccentric cam is set, the both sides of described movable block are connected respectively There is back-moving spring, the lower end of described back-moving spring is fixed on described base, and described drive shaft passes through described work Frame drives described eccentric cam to make the circular movement of certain amplitude centered on the drive shaft, and described movable block is described Eccentric cam driving under move upward to peak position, described cylindrical push rod is just pressed on described antitheft mark In the groove of label, after the stay of described anti-theft tag is pressurized, the Anti-theft nail on described anti-theft tag removes stay, institute The drive shaft stated drives described eccentric cam to make opposite direction same magnitude centered on the drive shaft by described falsework Circular movement, described movable block is moved downwardly to original position in the presence of described back-moving spring.
2. a kind of electric opening instrument of anti-theft tag according to claim 1, it is characterised in that:Set on described mask It is equipped with label level and puts groove, the bottom that described label level puts groove is provided with two push rod perforation, described mark The both sides that label level puts groove are respectively arranged with label horizontal slot exposed hole, and described anti-theft tag is placed in described label Level is put in groove and inlay card is in described label horizontal slot, and described cylindrical push rod is perforated by described push rod Put into described label level in groove.
3. a kind of electric opening instrument of anti-theft tag according to claim 1, it is characterised in that:Described switch combination Including trigger switch, high-order limit switch and low level limit switch, switch fixed mount is provided with described base, described touches Hair switch, described high-order limit switch and described low level limit switch are successively set on described switch and fixed from top to bottom On frame, described trigger switch is arranged on the position flushed with described label horizontal slot, and described high-order limit switch is set The end position in described eccentric cam rotation amplitude is put, described low level limit switch is arranged on described eccentric cam Original position in rotation amplitude, described trigger switch, described high-order limit switch and described low level limit switch point It is not connected with described control circuit.
4. a kind of electric opening instrument of anti-theft tag according to claim 3, it is characterised in that:Described triggering is opened Pass, described high-order limit switch are identical with described low level limit switch three's structure, and described trigger switch includes switch Body and metallic elastic tabletting, the upper end of described metallic elastic tabletting are free end and can opened under external force with described The metallic object for closing body is abutted, and the lower end of described metallic elastic tabletting is fixed on the bottom of described Switch main body.
5. a kind of electric opening instrument of anti-theft tag according to claim 3, it is characterised in that:In described housing also The gearbox fixed mount for being provided with gearbox and being fixed on base, described motor is fixedly connected with described gearbox, Described gearbox is fixed on described gearbox fixed mount, and described travelling gear is arranged in described gearbox, institute The drive shaft stated is connected by described travelling gear with described motor, and described drive shaft level sequentially passes through described Gearbox, described gearbox fixed mount and described falsework, set between described drive shaft and described gearbox There is an annular copper sheathing, between described drive shaft and described falsework and described drive shaft and described gearbox fixed mount Between be respectively arranged with bearing.
6. a kind of electric opening instrument of anti-theft tag according to claim 3, it is characterised in that described control circuit Working method is:
Described trigger switch connects and then sent the working signal for opening motor, and it is same that described control circuit receives working signal When control electric motor starting;
Described high-order limit switch connects and then sent the halt signal for disconnecting motor, and described control circuit receives pause letter Number simultaneously controlled motor disconnect, it is when the described motor off-air time reaching default high-order time out, then described Circuit controlled motor is controlled to start and opposite direction rotation;
Described low level limit switch connects and then sent the halt signal for disconnecting motor, and described control circuit receives pause letter Number simultaneously controlled motor disconnect, it is when the described motor off-air time reaching default low level time out, then described Control circuit controlled motor, which starts and presses former direction, to be rotated.
7. a kind of circuit control method of the electric opening instrument of anti-theft tag according to any one of claim 3-6, It is characterized in that comprising the following steps that:
(1)Anti-theft tag is inserted into described label horizontal slot and described anti-theft tag is abutted with described trigger switch, Described trigger switch connects and then sent the working signal for opening motor, and described control circuit receives the same time control of working signal Electric motor starting processed, described motor drives drive shaft turns by travelling gear, and described drive shaft is driven inclined by falsework Cardiac prominence wheel makees circular movement centered on the drive shaft, and described movable block is transported upwards under the driving of described eccentric cam Peak position is moved, described cylindrical push rod is pressed in the groove of described anti-theft tag, while described is eccentric convex Wheel is abutted with described high-order limit switch;
(2)Described high-order limit switch connects and then sent the halt signal for disconnecting motor, and described control circuit receives temporary Stopping signal, controlled motor disconnects simultaneously, when the described motor off-air time reaching default high-order time out, then institute The control circuit controlled motor stated starts and opposite direction is rotated;Described motor drives described drive shaft anti-by travelling gear Direction rotates up to described eccentric cam and abutted with described low level limit switch, while described movable block is in back-moving spring In the presence of be moved downwardly to original position;
(3)Described low level limit switch connects and then sent the halt signal for disconnecting motor, and described control circuit receives temporary Stopping signal, controlled motor disconnects simultaneously, interior in default low level time out, extracts described anti-theft tag, completes antitheft mark The electric opening work of label;
(4)When the described motor off-air time reaching default low level time out, then described control circuit control Electric motor starting is simultaneously rotated by former direction, and the electric opening work of anti-theft tag is so repeated.
CN201510991196.XA 2015-12-24 2015-12-24 The electric opening instrument and its circuit control method of a kind of anti-theft tag Active CN105464474B (en)

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US10181243B1 (en) * 2017-12-11 2019-01-15 Checkpoint Systems, Inc. Adjustable belt security device

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EP0704591A1 (en) * 1994-09-27 1996-04-03 Sensormatic Electronics Corporation Security tag and complemental deactivation apparatus
CN1598899A (en) * 2003-08-08 2005-03-23 传感电子公司 A hard security tag and detaching device
CN102722954A (en) * 2012-06-20 2012-10-10 宁波市北仑宇博防盗设备有限公司 Electric opener for anti-theft device
CN205277058U (en) * 2015-12-24 2016-06-01 宁波市北仑区柴桥志坚机械厂 Security label's electronic opening tool

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US9218730B2 (en) * 2014-02-26 2015-12-22 Tyco Fire & Security Gmbh Security tag with magnetic gate

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0704591A1 (en) * 1994-09-27 1996-04-03 Sensormatic Electronics Corporation Security tag and complemental deactivation apparatus
CN1598899A (en) * 2003-08-08 2005-03-23 传感电子公司 A hard security tag and detaching device
CN102722954A (en) * 2012-06-20 2012-10-10 宁波市北仑宇博防盗设备有限公司 Electric opener for anti-theft device
CN205277058U (en) * 2015-12-24 2016-06-01 宁波市北仑区柴桥志坚机械厂 Security label's electronic opening tool

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