CN206636341U - A kind of magnetic coded electronic key - Google Patents

Abstract

The utility model discloses a kind of magnetic coded electronic key, it is desirable to provide a kind of safe, good reliability, the magnetic coded electronic key that can realize intellectualized operation.The utility model include key skeleton, unblock shaft housing, smart circuit device and and battery, unlock shaft housing in be provided with magnetron configuration and electric control structure, the leading portion and back segment for unlocking shaft housing are respectively equipped with ante-chamber and back cavity；Magnetron configuration includes at least one magnetic assembled unit being arranged in ante-chamber and the State Transferring permanent magnet being arranged in back cavity；Magnetic assembled unit includes two bipolar permanent magnet magnets and a yoke for being located at ante-chamber center；One of magnetic pole of bipolar permanent magnet magnet then discharges side by side close to yoke, another magnetic pole away from yoke, two bipolar permanent magnet magnets, the opposite polarity of two bipolar permanent magnet magnet the same sides；Yoke is used as magnetism guiding access of two bipolar permanent magnet magnets towards axle center magnetic pole, and main magnetic circuit passes through yoke.The utility model is applied to the technical field of magnetic coded electronic key.

Description

A kind of magnetic coded electronic key

Technical field

A kind of electron key is the utility model is related to, more particularly to a kind of magnetic coded electronic key.

Background technology

With the development of science and technology magnetic puzzle lock is more and more extensive in the application of field of lockset, magnetic coding lock technology is constantly sent out Exhibition, maturation, severe ring can be born as the Chinese utility model patent application of Application No. 200920040973.7 provides one kind Magnetic coding lock core and magnetic the coding padlock in border, it is that magnetic puzzle lock is used with this kind of magnetic coding lock core and the matching used key of padlock Key, the ordinary construction of existing magnetic coding Key for lock are：Key bar is connected on key skeleton, and on the top of key bar Provided with unblock magnet, the unblock principle of magnetic coding Key for lock is by magnetic coding lock core using setting unblock magnet on key bar List be attracted to lockset position of coupler, so as to release to the spacing of lock core, lock core is carried out circular-rotation, reach the mesh of unblock , and the magnetic of existing said structure coding Key for lock, it is fixed that it, which unlocks magnet, therefore unlocks magnet and locate from the beginning to the end In lockset position of coupler, as long as anyone has key to unlock, the key is easily imitated, and reduces security, or even make lockset Due effect is lost, and takes key by anyone to unlock, easily causes the lack of standardization and unlocking authority of management Indefinite, as in power system particularly under some special environment, entrance guard management is then still to be important, and there is strict power Limit control, common magnetic coding Key for lock are then difficult to ensure that authority effectively and reliably controls, and on the other hand, existing magnetic is compiled Code Key for lock can not realize any automatically controlled and intellectualized operation.

In summary, existing magnetic puzzle lock is with the presence of key security is low, poor reliability, can not realize intellectualized operation Technological deficiency.

Utility model content

Technical problem to be solved in the utility model is overcome the deficiencies in the prior art, there is provided it is a kind of it is safe, Good reliability, the magnetic coded electronic key that intellectualized operation can be realized.

Technical scheme is used by the utility model：The utility model includes key skeleton, is arranged on the key bone Unblock shaft housing on frame, it is arranged on the intraskeletal smart circuit device of the key and is electrically connected with the smart circuit device Battery, be provided with magnetron configuration and electric control structure in the unblock shaft housing, the leading portion and back segment point of the unblock shaft housing She You not ante-chamber and back cavity；The magnetron configuration includes at least one magnetic assembled unit being arranged in the ante-chamber and is arranged on The State Transferring permanent magnet being adapted with the magnetic assembled unit in the back cavity；The magnetic assembled unit is bipolar including two Permanent-magnet and a yoke for being located at the ante-chamber center；One of magnetic pole of the bipolar permanent magnet magnet is close to the magnetic Yoke, another magnetic pole is then away from the yoke, side by side two bipolar permanent magnet magnets, discharge, two bipolar permanent magnet magnetic The opposite polarity of body the same side；The yoke is used as magnetism guiding access of two bipolar permanent magnet magnets towards axle center magnetic pole, main Magnetic circuit passes through the yoke；The outside main magnetic circuit of the magnetic assembled unit is semicircular arc in the latch release shaft housing exterior.

Further, the electric control structure includes being arranged on the dynamic core of magnetic conduction slided in the unblock shaft housing back segment, described The front end that magnetic conduction moves core is provided with the detent mechanism being adapted with State Transferring permanent magnet, and the State Transferring permanent magnet is in ball Shape, the N poles of the State Transferring permanent magnet and S extremely on be equipped with the locating slot being adapted with the detent mechanism, the unblock The periphery of shaft housing is provided with the magnet coil for moving core with the magnetic conduction and being adapted, and the periphery of the magnet coil is provided with magnetic conduction and determined Son, the bottom of the magnetic conduction stator seal the bottom of the latch release shaft outer casing back, and the bottom of the magnetic conduction stator is led with described Magnetic is provided with resetting-mechanism between moving core, also sets up to help on the outside of the unblock shaft housing back segment and turns over device.

Further, the surface magnetic flux amount of two bipolar permanent magnet magnets is same or like, the State Transferring permanent magnet To be spherical, the State Transferring permanent magnet can carry out the left and right upset of magnet under control of the control means, reach polarity direction The purpose of conversion.

Further, the surface magnetic flux amount of two bipolar permanent magnet magnets is different, and the State Transferring permanent magnet is cylindricality, The State Transferring permanent magnet can be moved left and right under control of the control means, be reached away from or close to magnetic assembled unit Purpose.

Further, buzzer, OLED display screen, four bit combination keyboards, the buzzing are additionally provided with the key skeleton Device, OLED display screen, four bit combination keyboards electrically connect with the smart circuit device.

Further, the smart circuit device includes governor circuit, modulation/demodulation circuit, the bridge rectifier being sequentially connected Device, key end magnetic coupling coil, the key end magnetic coupling coil form magnetic coupling with outside communication/charging end magnetic coupling coil Closing loop and produce magnetic field variation signal, magnetic field variation signal is converted into electric signal by the key end magnetic coupling coil, then through institute State bridge rectifier and modulation/demodulation circuit is adjusted to Uart signals, be transferred to the governor circuit.

Further, the smart circuit device also includes battery charger, the battery charger and the bridge-type Rectifier connects, and during charging, the key end magnetic coupling coil forms magnetic coupling with outside communication/charging end magnetic coupling coil Loop, the alternate electric energy sent by communication/charging end magnetic coupling coil pass to the bridge by the key end magnetic coupling coil Formula rectifier, the battery that the battery charger is supplied after the bridge rectifier rectification to set in the key skeleton Charging.

Further, the governor circuit includes low-power scm circuit, RFID reading codes circuit, step motor control electricity Road, OLED display screen circuit, buzzer circuit, four bit combination keyboard circuits, bluetooth communication module circuit.

The beneficial effects of the utility model are：

1st, the OLED display screen uses high brightness OLED dot matrix display screens, and brightness is high, contrast is big, can be at -40 °C just Often display；The 4 bit combination keyboard can provide directly perceived, efficient man-machine interaction means.Make the utility model that there is communication, time Display, sound equipment set, adopt a variety of miscellaneous functions such as code, electricity quantity inquiring.

2nd, locking device is unblocked using the magnetic coded electronic key of magnetron configuration of the present utility model and may be implemented in magnetic combination list The mechanical structure of member does not produce any change（Or displacement）In the case of, by changing the state of State Transferring permanent magnet, to magnetic Magnetic induction intensity outside assembled unit on main magnetic circuit carries out manual control.With by changing magnetic assembled unit corresponding component position Realize that the control program that magnetic induction intensity changes on the outside main magnetic circuit of magnetic assembled unit is compared, have reliability high, it is not easy to There is catching phenomenon；Control structure is simple；The advantages that easily realizing integral sealing.

3rd, magnetic assembled unit uses Modular Structure Design, and species is less, and magnetic assembled unit set location is relatively fixed, So, it can produce magnetic assembled unit before assembling key in advance, corresponding kind is set in relevant position by different code-lockeds during assembling key The magnetic assembled unit of class, so that the production efficiency of key greatly improves, also further make to design according to the utility model There is the advantages such as digital management is easy, structure and manufacturing process letter bullet, production cost are low with the magnetism coding key of production.

4th, moving parts is few, each part is not high to requirement on machining accuracy；Solution/block action is simple, amplitude is small, mechanical loss It is small；Moving parts not with opening/closing lock stressed member（Such as pellet）It is rigidly connected, so not influenceed substantially by opening/closing power；Move portion Part is easily realized integral sealing, is not easy by environmental factor in a closing space（Such as rainwater, sand and dust）Influence；It is non- During transition status, the direction of State Transferring permanent magnet is locked by detent mechanism, is not easy to be influenceed by external magnetic force.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the structural representation of the smart circuit device；

Fig. 3 is the structural representation for the magnetron configuration that the magnetic coded electronic key of the present utility model of embodiment one unblocks locking device Figure；

Fig. 4 is that the magnetron configuration of embodiment one unblocks the principle schematic of method of work；

Fig. 5 be embodiment one magnetron configuration unblock method of work another state principle schematic；

Fig. 6 is the structural representation for the magnetron configuration that the magnetic coded electronic key of the present utility model of embodiment two unblocks locking device Figure；

Fig. 7 is that the magnetron configuration of embodiment two unblocks the principle schematic of method of work；

Fig. 8 be embodiment two magnetron configuration unblock method of work another state principle schematic；

Fig. 9 is the utility model unblocks the structural representation that the magnetron configuration of locking device combines with magnetic coded electronic key；

Figure 10 is the schematic diagram that magnetic coded electronic key unblocks locking device blocking；

Figure 11 is the schematic diagram that magnetic coded electronic key unblocks locking device released state；

Figure 12 is the schematic diagram that magnetic coded electronic key unblocks locking device flip bit.

Embodiment

Embodiment one

Such as Fig. 1 to Fig. 5, shown in Fig. 9 to Figure 12, in the present embodiment, the utility model includes key skeleton 1, is arranged on Unblock shaft housing 2 on the key skeleton 1, the smart circuit device being arranged in the key skeleton 1 and with the intelligence The battery of circuit arrangement electrical connection, described unlock in shaft housing 2 are provided with magnetron configuration and electric control structure, the unblock shaft housing 2 leading portion and back segment is respectively equipped with ante-chamber 2a and back cavity 3a；The magnetron configuration includes being arranged in the ante-chamber 2a at least One magnetic assembled unit and the State Transferring permanent magnet 4a being adapted with the magnetic assembled unit being arranged in the back cavity 3a； The magnetic assembled unit includes two bipolar permanent magnet magnet 5a, 6a and a yoke 7a for being located at the ante-chamber 2a centers；It is described Bipolar permanent magnet magnet 5a, 6a one of magnetic pole are close to the yoke 7a, and another magnetic pole is then away from the yoke 7a, two Described bipolar permanent magnet magnet 5a, 6a are discharged side by side, the opposite polarity of two described bipolar permanent magnet magnet 5a, 6a the same sides；It is described Yoke 2 is used as magnetism guiding access of two described bipolar permanent magnet magnet 5a, 6a towards axle center magnetic pole, and main magnetic circuit passes through the yoke 2； The outside main magnetic circuit of the magnetic assembled unit is semicircular arc outside the unblock shaft housing 2.

In the present embodiment, the electric control structure moves including being arranged on the magnetic conduction slided in the unblock back segment of shaft housing 2 Core 2b, the front end that the magnetic conduction moves core 2b are provided with the detent mechanism 4b being adapted with State Transferring permanent magnet 3b, the state It is spherical in shape to change permanent magnet 3b, the N poles of the State Transferring permanent magnet 3b and S extremely on be equipped with and fitted with the detent mechanism 4b phases The locating slot 5b matched somebody with somebody, the periphery of the unblock shaft housing 2 is provided with the magnet coil 6b for moving that core 2b is adapted with the magnetic conduction, described The bottom that magnet coil 6b periphery is provided with magnetic conduction stator 7b, the magnetic conduction stator 7b seals unblock shaft housing 2 rear end Bottom, the bottom of the magnetic conduction stator 7b and the magnetic conduction, which move, is provided with resetting-mechanism 8b between core 2b, outside the latch release shaft Also set up to help on the outside of the back segment of shell 2 and turn over device 9b.

In the present embodiment, two described bipolar permanent magnet magnet 5a, 6a surface magnetic flux amount are same or like, the state Permanent magnet 4a is changed to be spherical, the left and right that the State Transferring permanent magnet 4a can carry out magnet under control of the control means is turned over Turn, reach polarity towards the purpose of conversion.

In the present embodiment, buzzer 11, OLED display screen 12, four bit combination keys are additionally provided with the key skeleton 1 Disk 13, the buzzer 11, OLED display screen 12, four bit combination keyboards 13 electrically connect with the smart circuit device.

In the present embodiment, the smart circuit device includes governor circuit, modulation/demodulation circuit, the bridge being sequentially connected Formula rectifier, key end magnetic coupling coil, the key end magnetic coupling coil and outside communication/charging end magnetic coupling coil shape Magnetic field variation signal is produced into magnetic coupling loop, magnetic field variation signal is converted into electric signal by the key end magnetic coupling coil, Uart signals are adjusted to through the bridge rectifier and modulation/demodulation circuit again, are transferred to the governor circuit.

In the present embodiment, the smart circuit device also includes battery charger, the battery charger and institute Bridge rectifier connection is stated, during charging, the key end magnetic coupling coil is formed with outside communication/charging end magnetic coupling coil Magnetic coupling loop, the alternate electric energy sent by communication/charging end magnetic coupling coil are passed to by the key end magnetic coupling coil The bridge rectifier, the battery charger is supplied after the bridge rectifier rectification to be set in the key skeleton 2 The battery charging put.

In the present embodiment, the governor circuit includes low-power scm circuit, RFID reading codes circuit, stepper motor control Circuit processed, OLED display screen circuit, buzzer circuit, four bit combination keyboard circuits, bluetooth communication module circuit.

Unblock locking device to be transformed into from blocking released state need completed by the electric control structure, it is described automatically controlled The step of method of work of structure, is as follows：

A, the polarity of core side is moved close to magnetic conduction according to State Transferring permanent magnet before State Transferring, is powered to magnet coil, production The magnetic force of raw some strength, moves State Transferring permanent magnet to flip bit；

B, reversely it is powered to magnet coil, now State Transferring permanent magnet moves the polarity of core side towards magnetic conduction and magnetic conduction moves core The polarity on state orientation conversion permanent magnetism side is identical, produces repulsive interaction, and then makes locking mechanism unblock and State Transferring permanent magnet Unblock；In magnet coil repulsive interaction and under helping the collective effect for turning over device, make State Transferring permanent magnet that lateral deflection occur, and make shape The opposite side of state conversion permanent magnet is drawn to magnetic conduction and moves core, and then the action of completion status conversion permanent magnet upset；

C, being powered off to magnet coil, electromagnetic force caused by magnet coil disappears, under the resilient force of resetting-mechanism, shape State conversion permanent magnet, magnetic conduction moves core and detent mechanism is reset to setting position in the lump, detent mechanism is completed to State Transferring The locking of permanent magnet direction.

Unblocking method of work and the blocking of locking device released state to blocking, to be transformed into released state identical, only It is the opposite polarity that magnet coil is powered.

Embodiment two

As shown in Figure 6 to 8, in the present embodiment, two described bipolar permanent magnet magnet 5a, 6a surface magnetic flux amount is not Together, the State Transferring permanent magnet 5 is cylindricality, and the State Transferring permanent magnet 5 can carry out left and right under control of the control means It is mobile, reach the purpose away from or close to magnetic assembled unit.

The utility model is applied to the technical field of magnetic coded electronic key.

Although embodiment of the present utility model is described with practical solution, do not form the utility model is contained The limitation of justice, for those skilled in the art, according to modification of this specification to its embodiment and the group with other schemes Conjunction will be apparent from.

Claims (8)

1. a kind of magnetic coded electronic key, including key skeleton（1）, be arranged on the key skeleton（1）On unblock shaft housing （2）, be arranged on the key skeleton（1）Interior smart circuit device and the battery electrically connected with the smart circuit device, its It is characterised by：The unblock shaft housing（2）Inside it is provided with magnetron configuration and electric control structure, the unblock shaft housing（2）Leading portion Ante-chamber is respectively equipped with back segment（2a）And back cavity（3a）；The magnetron configuration includes being arranged on the ante-chamber（2a）Interior at least one Individual magnetic assembled unit and it is arranged on the back cavity（3a）The interior State Transferring permanent magnet being adapted with the magnetic assembled unit （4a）；The magnetic assembled unit includes two bipolar permanent magnet magnets（5a、6a）It is located at the ante-chamber with one（2a）The magnetic at center Yoke（7a）；The bipolar permanent magnet magnet（5a、6a）One of magnetic pole close to the yoke（7a）, another magnetic pole is then remote The yoke（7a）, two bipolar permanent magnet magnets（5a、6a）Discharge side by side, two bipolar permanent magnet magnets（5a、6a） The opposite polarity of the same side；The yoke（2）As two bipolar permanent magnet magnets（5a、6a）Towards the magnetic conduction of axle center magnetic pole Path, main magnetic circuit pass through the yoke（2）；The outside main magnetic circuit of the magnetic assembled unit is in the unblock shaft housing（2）It is outside For semicircular arc.

A kind of 2. magnetic coded electronic key according to claim 1, it is characterised in that：The electric control structure includes being arranged on The unblock shaft housing（2）The magnetic conduction slided in back segment moves core（2b）, the magnetic conduction moves core（2b）Front end be provided with and state Change permanent magnet（3b）The detent mechanism being adapted（4b）, the State Transferring permanent magnet（3b）It is spherical in shape, the State Transferring Permanent magnet（3b）N poles and S extremely on be equipped with and the detent mechanism（4b）The locating slot being adapted（5b）, outside the latch release shaft Shell（2）Periphery be provided with and the magnetic conduction move core（2b）The magnet coil being adapted（6b）, the magnet coil（6b）With it is described Smart circuit device electrically connects, the magnet coil（6b）Periphery be provided with magnetic conduction stator（7b）, the magnetic conduction stator（7b） Bottom seal the unblock shaft housing（2）The bottom of rear end, the magnetic conduction stator（7b）Bottom and the magnetic conduction move core （2b）Between be provided with resetting-mechanism（8b）, the unblock shaft housing（2）Also set up to help on the outside of back segment and turn over device（9b）.

A kind of 3. magnetic coded electronic key according to claim 1, it is characterised in that：Two bipolar permanent magnet magnets （5a、6a）Surface magnetic flux amount it is same or like, the State Transferring permanent magnet（4a）To be spherical, the State Transferring permanent magnet （4a）The left and right upset of magnet can be carried out under control of the control means, reach polarity towards the purpose of conversion.

A kind of 4. magnetic coded electronic key according to claim 1, it is characterised in that：Two bipolar permanent magnet magnets （5a、6a）Surface magnetic flux amount it is different, the State Transferring permanent magnet (5) is cylindricality, and the State Transferring permanent magnet (5) can be Moved left and right under the control of control device, reach the purpose away from or close to magnetic assembled unit.

A kind of 5. magnetic coded electronic key according to claim 1, it is characterised in that：The key skeleton（1）On also set It is equipped with buzzer（11）, OLED display screen（12）, four bit combination keyboards（13）, the buzzer（11）, OLED display screen（12）、 Four bit combination keyboards（13）Electrically connected with the smart circuit device.

A kind of 6. magnetic coded electronic key according to claim 1, it is characterised in that：The smart circuit device include according to Governor circuit, modulation/demodulation circuit, bridge rectifier, the key end magnetic coupling coil of secondary connection, the key end magnetic coupling line Circle forms magnetic coupling loop with outside communication/charging end magnetic coupling coil and produces magnetic field variation signal, the key end magnetic coupling Magnetic field variation signal is converted into electric signal by zygonema circle, then is adjusted to Uart letters through the bridge rectifier and modulation/demodulation circuit Number, it is transferred to the governor circuit.

A kind of 7. magnetic coded electronic key according to claim 6, it is characterised in that：The smart circuit device also includes Battery charger, the battery charger are connected with the bridge rectifier, during charging, the key end magnetic coupling coil Communication/charging end magnetic coupling coil with outside forms magnetic coupling loop, the alternation sent by communication/charging end magnetic coupling coil Electric energy passes to the bridge rectifier by the key end magnetic coupling coil, after the bridge rectifier rectification described in supply Battery charger is the key skeleton（2）The battery charging of interior setting.

A kind of 8. magnetic coded electronic key according to claim 6, it is characterised in that：The governor circuit includes low-power consumption Single chip circuit, RFID reading codes circuit, stepping motor control circuit, OLED display screen circuit, buzzer circuit, four bit combination keys Disk circuit, bluetooth communication module circuit.