CN210067680U - Shopping basket electronic lock - Google Patents
Shopping basket electronic lock Download PDFInfo
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- CN210067680U CN210067680U CN201821263314.0U CN201821263314U CN210067680U CN 210067680 U CN210067680 U CN 210067680U CN 201821263314 U CN201821263314 U CN 201821263314U CN 210067680 U CN210067680 U CN 210067680U
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Abstract
The utility model creatively discloses an electronic lock of a shopping basket, which comprises a key inserting plate and a shell, wherein the key inserting plate is fixed on the first surface of the shell and is vertical to the first surface of the shell, a clamping hole is arranged on the key inserting plate, the second surface of the shell is provided with a jack which is aligned with the key inserting plate up and down, one side surface of the shell is provided with a connecting part, the connecting part is used for fixedly connecting the shopping basket and comprises a bolt, an actuating mechanism, a driving module, a communication module, a locking signal trigger circuit unit and an MCU unit, is connected with the data input and output end of the communication module, the output end of the locking signal trigger circuit unit and the control end of the driving module, when the key inserting plate is inserted into the jack in place, the key inserting plate triggers the locking signal trigger circuit unit, under the control of the MCU unit, the actuating mechanism drives the lock tongue to be inserted into a clamping hole of the key inserting plate so as to clamp the key inserting plate; when a remote unlocking instruction is received, the executing mechanism drives the lock tongue to be pulled out from the clamping hole of the key plug board under the control of the MCU unit.
Description
Technical Field
The invention relates to the technical field of electronic locks, in particular to a shopping basket electronic lock for managing a shopping basket.
Background
The shopping cart lock adopts a coin lock, for example, the invention creation patent with patent number of 200420059445.9 discloses a coin lock for shopping carts, the invention patent document with patent number of 03810668.X discloses a mortgage lock for transport carts, and the invention creation document with patent number of 201620005872.1 discloses an integrated coin lock for shopping carts, and as seen from the documents, the shopping cart lock is all in a mechanical structure to complete unlocking and locking, and the coin lock has the following defects: 1. the structure is complex, the assembly process is multiple, and the cost is high; 2. when in use, coins need to be mortared, which is not suitable for the current payment mode and brings inconvenience to consumers; 3. due to the adoption of a complex mechanical structure, the coin feeder runs for a long time, and is difficult to avoid abrasion, so that the coin feeding or the coin returning is difficult; 4. when the coins are not put in, the rear vehicle can not be used, when the coins are difficult to return, the lock is easily knocked down by the violence of a consumer, the two conditions bring management troubles to a manager, and at present, the lock on the shopping basket is not used in the market.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a shopping basket electronic lock to solve the technical defects of the existing shopping cart lock in the background art and the problem of how to manage shopping baskets.
In order to achieve the purpose, the invention adopts the following technical means: the utility model provides a blue electronic lock of shopping, includes key picture peg and casing, the first surface at the first surface of casing and the first surface of perpendicular to casing are fixed to the key picture peg, be equipped with the card hole on the key picture peg, the second surface of casing is equipped with the jack, align from top to bottom jack and key picture peg, a side of casing is equipped with connecting portion, connecting portion are used for fixed connection shopping basket, be equipped with the lock accuse subassembly in the casing, the lock accuse subassembly includes:
the lock tongue is used for being inserted into a clamping hole of a key inserting plate of an adjacent electronic lock;
the actuating mechanism is used for driving the lock tongue to unlock and lock;
the driving module is used for driving the actuating mechanism;
the communication module is used for establishing a communication channel with the server;
the locking signal trigger circuit unit is used for generating a locking trigger signal when the key flashboards of the adjacent electronic locks are inserted in place;
the MCU unit is connected with the data input and output end of the communication module, the output end of the locking signal trigger circuit unit and the control end of the driving module, and is used for receiving a remote unlocking instruction input by the communication module, outputting a control signal to the driving module according to the unlocking instruction to drive the executing mechanism to unlock, receiving a locking trigger signal output by the locking signal trigger circuit unit, and outputting a control signal to the driving module according to the locking trigger signal to drive the executing mechanism to lock;
the locking device comprises a communication module, an MCU (microprogrammed control unit), a locking signal trigger circuit unit and a driving module, wherein the communication module, the MCU, the locking signal trigger circuit unit and the driving module are all fixed in a shell, an actuating mechanism is fixed in the shell and positioned beside an insertion hole, the locking signal trigger circuit unit is positioned below the insertion hole, when a key insertion plate of an adjacent electronic lock is inserted into the insertion hole in place, the key insertion plate triggers the locking signal trigger circuit unit, the driving module drives the actuating mechanism under the control of the MCU, and the actuating mechanism drives a lock tongue to be inserted into a clamping; when a remote unlocking instruction is received, the driving module drives the executing mechanism under the control of the MCU unit, and the executing mechanism drives the lock tongue to be pulled out from the clamping hole of the key plug board.
Furthermore, the locking signal trigger circuit unit comprises a first resistor and a light touch switch, one end of the first resistor is connected with the output end of the power module, the other end of the first resistor is connected with one end of the light touch switch and one IO end of the MCU unit, the other end of the light touch switch is grounded, and when the key plug board is inserted into the key jack in place, the key plug board touches the light touch switch so as to enable the light touch switch to be conducted; or the locking signal trigger circuit unit adopts a proximity switch, and the proximity switch is in communication connection with the MCU unit.
Further, actuating mechanism includes casing, solenoid, electro-magnet, spring and iron plate, the electro-magnet is fixed to be set up in the casing, solenoid is around on the electro-magnet, the iron plate is ladder column, the major part portion of iron plate sets up in the casing, the through-hole of establishing on the casing is passed to the minor part of iron plate, the spring setting is connected with electro-magnet and iron plate respectively at casing and its both ends, the spring is in compression state, solenoid is connected with drive module's output, the minor part and the spring bolt of iron plate meet.
Furthermore, the driving module comprises a voltage dividing resistor unit, a switch tube and a fly-wheel diode, the IO end of the MCU unit is connected to the base of the switch tube through the voltage dividing resistor unit, the collector of the switch tube is connected to the anode of the fly-wheel diode and an input end of the actuator, the cathode of the fly-wheel diode and another input end of the actuator are connected to the output end of the power module, and the emitter of the switch tube is grounded.
Further, the actuator is a motor, the driving module adopts a transistor array with the model number of ULN2003L for driving the two-phase four-wire stepping motor, the input end of the transistor array is connected with four IO ends of the MCU unit, and four output ends of the transistor array are connected with the stepping motor.
Further, the casing is the cuboid, the key picture peg is "T" shape of falling, and its horizontal part passes through the fix with screw at casing first surface, the card hole is located the vertical portion of key picture peg.
Furthermore, the connecting part is a threaded hole or a threaded column for connection.
Furthermore, the voice module is connected with the MCU unit, the voice module is arranged in the shell, and a loudspeaker in the voice module is positioned beside the through hole arranged on one side of the shell.
The intelligent control device is characterized by further comprising a commodity bar code identification module, wherein the commodity bar code identification module is used for identifying bar code information of a commodity and transmitting the bar code information to the MCU, a window is arranged on the first surface of the shell, and the commodity bar code identification module is arranged in the shell and is positioned right below the window.
Compared with the prior art, the invention has the beneficial effects that: the invention can realize remote control of unlocking the actuating mechanism by scanning the code at the client, and the key triggers the actuating mechanism to lock, so that coins do not need to be mortared, thereby being suitable for the living habits of modern people, bringing convenience to consumers and managers, reducing the mechanical mechanisms of the electronic lock due to the adoption of the electric control mechanism, being suitable for long-term operation and being convenient for maintenance.
Drawings
Fig. 1 is a first structural diagram of the electronic lock of the invention.
Fig. 2 is a second structural diagram of the electronic lock of the invention.
Fig. 3 is a bottom view of the electronic lock of the present invention.
Fig. 4 shows a bottom view (perspective) of the inventive electronic lock.
Fig. 5 is a diagram showing the internal structure of the electronic lock of the invention.
Fig. 6 is a schematic block circuit diagram of the electronic lock of the present invention.
Fig. 7 shows a schematic diagram of the inventive MCU unit.
Fig. 8 shows a second schematic diagram of the latch trigger circuit unit according to the present invention.
Fig. 9 is a first block diagram of the actuator according to the invention.
Fig. 10 is a schematic diagram of a driving module of a first actuator according to the present invention.
Fig. 11 is a schematic diagram of a second actuator and its driving module according to the present invention.
Fig. 12 shows a schematic diagram of GPRS of the electronic lock created by the present invention.
Fig. 13 is a schematic diagram of bluetooth of the electronic lock of the present invention.
Fig. 14 is a schematic block diagram of a second circuit of the electronic lock according to the invention.
Fig. 15 is a schematic diagram of the voice module of the electronic lock according to the present invention.
Detailed Description
In order to make the content of the invention clearer, the following detailed description of the embodiments of the invention is made with reference to the accompanying drawings. It should be noted that for the sake of clarity, the figures and description omit representation and description of parts known to those of ordinary skill in the art that are not relevant to the present invention, which is to be broadly construed.
Referring to fig. 1 to 6, a shopping basket electronic lock comprises a housing 1 and a key insertion plate 2, preferably, the housing 1 is a square body and can be formed by combining a housing main body and a housing cover, the key insertion plate 2 is fixed on a first surface of the housing 1 and is perpendicular to the first surface of the housing 1, a clamping hole 2-1 is formed in the key insertion plate 2, a jack 4 is arranged on a second surface of the housing 1, specifically, the key insertion plate 2 is inverted "T" shaped or "L" shaped, and a horizontal part of the key insertion plate is fixed on the first surface of the housing 1 through a screw, so that the structure is convenient to disassemble and maintain; the clamping hole 2-1 is positioned at the vertical part of the key inserting plate 2, or the key inserting plate 2 is directly and vertically welded on the first surface of the shell 1 and is firmly fixed, and the first surface is vertically opposite to the second surface.
The jacks 4 are aligned with the key plugboard 2 up and down, and when the adjacent shopping baskets are stacked up and down, the key plugboard of the electronic lock fixed on the shopping basket on the lower layer is inserted into the jacks of the electronic lock of the shopping basket on the upper layer. Or when the adjacent shopping baskets are overlapped up and down, the key flashboard of the electronic lock fixed on the shopping basket on the upper layer is inserted into the jack of the electronic lock of the shopping basket on the lower layer.
The shell 1 is provided with a connecting part 3 on one side surface, the connecting part 3 is used for fixedly connecting a shopping basket, preferably, the connecting part 3 is a threaded hole or a threaded column for connection, and if the connecting part is a threaded hole, an external screw penetrates through the shopping basket and then is screwed into a threaded hole on the shell of the electronic lock so as to install the electronic lock on the shopping basket. In the case of a threaded post, the threaded post of the electronic lock is inserted through a through hole in the shopping basket and is tightened by an external nut, so that the electronic lock is mounted on the shopping basket, and the specific structure of the connecting portion 3 is not limited to the two cases in the embodiment, and an existing connecting structure may be adopted.
Be equipped with the lock accuse subassembly in the casing 1, the lock accuse subassembly includes:
the lock tongue 11 is used for being inserted into a clamping hole 2-1 of a key inserting plate 2 of an adjacent electronic lock;
the actuating mechanism 10 is used for driving the bolt 11 to unlock and lock;
a driving module for driving the actuator 10;
the communication module is used for establishing a communication channel with the server;
the locking signal trigger circuit unit is used for generating a locking trigger signal when the key flashboards of the adjacent electronic locks are inserted in place;
and the MCU unit is connected with the data input and output end of the communication module, the output end of the locking signal trigger circuit unit and the control end of the driving module, and is used for receiving a remote unlocking instruction input by the communication module, outputting a control signal to the driving module according to the unlocking instruction to drive the actuating mechanism to unlock, receiving a locking trigger signal output by the locking signal trigger circuit unit, and outputting a control signal to the driving module according to the locking trigger signal to drive the actuating mechanism to lock.
Communication module, MCU unit, blocking signal trigger circuit unit and drive module all fix in the casing, blocking signal trigger circuit unit, drive module, communication module and MCU unit set up on a PCB base plate 7, have the erection column 8 of installation PCB base plate 7 in the casing 1, and PCB base plate 7 passes through the fix with screw on the erection column 8 in casing 1.
The actuating mechanism 10 is fixed in the shell 1 and located beside the jack 4, specifically, the shell 1 is internally provided with an installation cavity for installing the actuating mechanism 10, the actuating mechanism 10 is fixed in the installation cavity through bonding or screws, the actuating mechanism 10 drives the lock tongue 11 to move horizontally, the locking signal trigger circuit unit is located below the jack 4, when the key inserting plate 2 of an adjacent electronic lock is vertically inserted into the jack 4 in place, the key inserting plate 2 triggers the locking signal trigger circuit unit, under the control of the MCU unit, the actuating module drives the actuating mechanism 10, and the actuating mechanism 10 drives the lock tongue 11 to be horizontally inserted into a clamping hole 2-1 of the key inserting plate 2 so as to clamp the key inserting plate 2; when a remote unlocking instruction is received, the driving module drives the executing mechanism 10 under the control of the MCU unit, and the executing mechanism 10 drives the lock tongue 11 to be horizontally pulled out from the clamping hole 2-1 of the key inserting plate 2, so that the lock is unlocked.
Preferably, the free end of the key inserting plate 2 is provided with a triggering part, the triggering part can be in a tooth shape and is used for triggering the locking signal triggering circuit unit, and the structural shape of the triggering part can be adjusted according to actual conditions.
On the basis of the above embodiment, referring to fig. 7, the MCU unit includes a single chip microcomputer, a crystal oscillator circuit unit, a boot mode configuration circuit unit, an emulator interface, and a serial interface, and the crystal oscillator circuit unit, the boot mode configuration circuit unit, the emulator interface, and the serial interface are connected to corresponding ports of the single chip microcomputer. The MCU unit adopts a single chip microcomputer with the model number of STM32F103C8T6, two output pins of the Boot mode configuration circuit unit are connected with BOOTO and BOOT1 pins of the single chip microcomputer, the crystal oscillator circuit unit is connected with a fifth pin and a sixth pin of the single chip microcomputer, the emulator interface is connected with a seventh pin, a thirty-nine pin, a thirty-seven pin and a thirty-four pin of the single chip microcomputer, the serial interface is connected with a thirty-one pin and a thirty-one pin of the single chip microcomputer, the power supply module outputs 3.3VDC power to supply power to the MCU unit, the single chip microcomputer, the crystal oscillator circuit unit, the Boot mode configuration circuit unit, the emulator interface and the serial interface are all in the prior art, and the specific structures of the single chip microcomputer, the crystal oscillator circuit unit, the. When the boot mode configuration circuit unit puts pins B00T0 and B00T1 of the singlechip into 1 and 0, the singlechip downloads programs through a serial interface, and when the boot mode configuration circuit unit puts pins B00T0 and B00T1 of the singlechip into 0 and 0, the first-chip microcomputer is connected with a simulator through a simulator interface to realize online debugging.
In the invention, two preferable schemes of the locking signal trigger circuit unit are that the first scheme is as follows: referring to fig. 7, the latch signal trigger circuit unit 9 includes a first resistor R6 and a tact switch J1, one end of the first resistor R6 is connected to the output terminal of the power module, the other end of the first resistor R6 is connected to one end of the tact switch J1 and one IO terminal of the MCU unit, and the other end of the tact switch J1 is grounded. The key picture peg 2 touches the light touch switch J1, the output voltage of blocking signal trigger circuit unit is pulled down by the high level, the low level is input for the twenty-fifth pin of singlechip to blocking signal trigger circuit unit, the singlechip adopts low level signal or falling edge signal as trigger signal, the blocking signal trigger circuit unit structure that adopts light touch switch J1 is simpler, and is with low costs, and realize easily, but need the contact, long-term reliability is general, light touch switch is located the epitheca, the response part is a outstanding point portion, can directly touch blocking signal trigger circuit unit. When the key inserting plate 2 is inserted into the key inserting hole 4 in place, the sensing part of the key inserting plate 2 touches the tact switch J1 so that the tact switch J1 is turned on.
The second mode is as follows: referring to fig. 8, the blocking signal triggering circuit unit 9 includes a proximity switch P1 and a photocoupler U2, a power end of the proximity switch P1 is connected to an output end of the power module, a ground end of the proximity switch P1 is grounded, a mountain output end of the proximity switch P1 is connected to a first input end of the photocoupler U2, a second input end of the photocoupler U2 is connected to an output end of the power module after passing through a resistor, a first output end of the photocoupler U2 is connected to an output end of the power module after passing through a resistor, a first output end of the photocoupler is connected to an IO end of the MCU unit, and a second output end of the photocoupler is grounded. When the key inserts, proximity switch P1's output is drawn low for the low level by the high level of acquiescence, at this moment, photoelectric coupler U2's two input are by pressure differential, photoelectric coupler U2's output is drawn low to the low level by the high level, the level of giving the fiber pin of singlechip is drawn low for the low level by the high level, the singlechip adopts low level signal or decline to follow the signal as trigger signal, this structure is non-contact and triggers, easy to realize, and the reliability is good, proximity switch is in last casing, when key picture peg 2 inserts jack 4 and puts in place, key picture peg 2 makes proximity switch response action.
In the creation of the present invention, two specific modes of an actuator are provided, the first mode is as shown in fig. 9, the actuator comprises a housing 3-1, an electromagnetic coil 3-2, an electromagnet 3-3, a spring 3-4 and an iron block 3-5, the electromagnet 3-3 is fixedly arranged in the housing 3-1, the electromagnetic coil 3-2 is wound on the electromagnet 3-3, the iron block 3-5 is in a stepped column shape, the large end of the iron block 3-5 is arranged in the housing 3-1, the small end of the iron block 3-5 passes through a through hole arranged on the housing 3-1, the spring 3-4 is arranged in the housing 3-1, two ends of the spring are respectively connected with the electromagnet 3-3 and the iron block 3-5, the spring 3-4 is in a compressed state, and the electromagnetic coil 3-2 is connected with the output end of the drive circuit. Under the condition of not electrifying, the spring 3-4 is in a compressed state, and a lock tongue connected with the iron block 3-5 is clamped in a clamping hole on the key inserting plate, so that the consumption of electric energy can be reduced; the electromagnetic coil 3-2 is electrified, the electromagnet 3-3 generates a magnetic field to attract the iron block 3-5 and overcome the resistance of the spring 3-4, so that the iron block 3-5 drives the lock tongue to be pulled out from the clamping hole on the key plug board, and the unlocking is completed.
In order to drive the above-mentioned actuator, referring to fig. 10, the driving module in the invention is a voltage dividing resistor unit, a switching tube and a freewheeling diode D2, an IO end of the MCU unit is connected to a base of the switching tube through the voltage dividing resistor unit, a collector of the transistor Q9 is connected to an anode of the freewheeling diode D and an input end of the actuator, a cathode of the freewheeling diode D and another input end of the actuator are simultaneously connected to an output end of the power module, and a radio electrode of the switching tube is grounded. The IO end output high level voltage of MCU unit is inputed to triode Q9's base after partial pressure through divider resistance unit (R38 and R39), triode Q9 switches on, then solenoid circular telegram, when the voltage of the IO end of MCU unit becomes low level, the triode cuts off, solenoid cuts off the power supply, because solenoid has the electric energy, carry out the afterflow through freewheel diode D, progressively lose the electricity, if there is no freewheel diode, the electric energy in the solenoid is very big in the twinkling of an eye during the outage, can produce the impact to triode and power module, destroy components and parts.
IN a second way, referring to fig. 11, the actuator is a motor, the driving module uses a transistor array with a model number of ULN2003L for driving a two-phase four-wire stepper motor, the input terminals of the transistor array are connected with four IO terminals (IN1-IN4) of the MCU, and the four output terminals of the transistor array are connected with the stepper motor. The stepping motor can realize accurate rotation control, can accurately control the stroke of the spring bolt, and can stably unlock and lock.
In the invention, the communication module adopts one or more of a Bluetooth module, a GPRS module and a wifi module, the Bluetooth module, the GPRS module and the wifi module are all the prior art, the working principle diagram of the 6PRS module is shown in figure 12, a 5VDC power supply is reduced to a 3.5 to 4.4VDC power supply after passing through an LDO voltage stabilizer (MIC29302BU), but the specific voltage is determined according to the model of a GPRS chip U3, the GPRS chip U3 adopts an SIM800C chip or an SIM800 chip and the like, the appropriate DC power supply voltage is output to supply power to the GPRS chip U3 by adjusting resistors R10 and R11, the SIM1 module is a SIM card holder and is connected with the GPRS chip, the PAD1 represents an antenna, and the antenna is connected with the GPRS chip through the RC CTTThe type filter circuit is connected to the 6PRS chip, RCTTThe level conversion circuit is a conventional technology, and the circuit diagram of the level conversion circuit is not limited to the circuit diagram provided in the invention and created in fig. 12, and the GPRS _ RESET end and the GPRS _ SWITCH ON end of the single chip microcomputer pull down the RESET end and the PWRKEY end of the GPRS chip through a triode SWITCH circuit (composed of a triode Q8 and a Q7), thereby realizing the working modes of the GPRS control module of the single chip microcomputer, such as initialization, sleep, working and the like. Fig. 13 shows a schematic structural diagram of a bluetooth module, the bluetooth module employs a cc2540 bluetooth chip, peripheral circuits connected to the cc2540 bluetooth chip are all in the prior art, and not described herein again, two io terminals of the bluetooth chip are connected to a UART3_ TX terminal and a UART3_ RX terminal of a single chip for data communication, a RESET terminal of the bluetooth chip is connected to a LAN RESET terminal of the single chip for resetting the bluetooth chip, a power module provides a 3.3VDC power to the bluetooth module, and the single chip can RESET and initialize the bluetooth module. Although the circuit diagrams of the GPRS module and the bluetooth module are given in the creation of the invention, the circuit diagram structures of the GPRS module and the bluetooth module are not limited to the creation of the invention, and have a relationship with a specifically selected chip, and the wifi module has a plurality of types, which are not described herein. All the above are wirelessAnd the communication module is used in the shopping basket electronic lock circuit.
The control method based on the shopping basket electronic lock comprises the following steps:
1) the communication module is successfully connected with the server;
2) the MCU unit receives a remote unlocking command through a data transceiving end connected with the communication module;
3) the MCU unit executes an unlocking command, namely outputs a high-level control signal to the driving module, the driving module drives the executing mechanism, the executing mechanism drives the lock tongue to unlock, so that unlocking is completed, and the MCU unit sends the current locking state to the server through the communication module; after the unlocking is successful, voice prompt is carried out;
4) when the key is inserted, the key triggers the locking signal trigger circuit unit, and the locking signal trigger circuit unit outputs a switching value trigger signal to the MCU unit;
5) the MCU unit receives and recognizes the switching value trigger signal and responds to the mountain-input low-level control signal to the driving module, the driving module drives the executing mechanism, the executing mechanism drives the lock tongue to be locked to complete locking, the MCU unit sends the current lock state to the server through the communication module, and when the locking is successful, voice prompt is carried out.
If an electromagnetic execution mechanism is adopted, the MCU unit judges the current state of the lock according to the level of the IO end connected with the driving module, the high level represents the unlocking state, and the low level represents the locking state.
If the motor is adopted, the MCU unit generates a state information level of the lock according to the stop of the motor and feeds the state information level back to the server.
When the shopping basket locking device is used, shopping baskets are stacked from bottom to top, adjacent shopping basket electronic locks are connected up and down, a two-dimensional code 5 is printed on the side face of the shopping cart electronic lock shell, after a client scans the two-dimensional code 5, the remote server sends a remote unlocking instruction to the MCU unit through the communication module, the driving module drives the executing mechanism under the control of the MCU unit, the executing mechanism drives the lock tongue to be horizontally pulled out of a clamping hole of the key inserting plate, the adjacent shopping basket electronic locks are separated, a customer can take the shopping basket away, when the customer returns the shopping basket, the shopping basket is stacked in the shopping basket below, the electronic lock of the shopping basket on the upper layer is connected with the electronic lock of the shopping basket on the lower layer, namely the key inserting plate is inserted into the adjacent shopping basket electronic lock, the locking signal triggering circuit unit is triggered, the MCU unit responds to output a control signal according to the triggering signal, and the driving module drives the executing mechanism, the actuating mechanism drives the lock tongue to be horizontally inserted into the clamping hole of the key inserting plate to be clamped with the key inserting plate, so that the electronic locks of the adjacent shopping baskets are locked together.
Finally, it should be noted that: the above-mentioned embodiments are intended to illustrate rather than limit the invention, and a person skilled in the art may still make modifications to the solutions described in the examples, and any modifications and changes made to the invention shall be considered as the scope of the invention.
Claims (9)
1. The utility model provides a shopping basket electronic lock, its characterized in that, includes key picture peg and casing, the first surface at the first surface of casing and perpendicular to casing is fixed to the key picture peg, be equipped with the card hole on the key picture peg, the second surface of casing is equipped with the jack, align from top to bottom jack and key picture peg, a side of casing is equipped with connecting portion, connecting portion are used for the fixed connection shopping basket, be equipped with the lock accuse subassembly in the casing, the lock accuse subassembly includes:
the lock tongue is used for being inserted into a clamping hole of a key inserting plate of an adjacent electronic lock;
the actuating mechanism is used for driving the lock tongue to unlock and lock;
the driving module is used for driving the actuating mechanism;
the communication module is used for establishing a communication channel with the server;
the locking signal trigger circuit unit is used for generating a locking trigger signal when the key flashboards of the adjacent electronic locks are inserted in place;
the MCU unit is connected with the data input and output end of the communication module, the output end of the locking signal trigger circuit unit and the control end of the driving module, and is used for receiving a remote unlocking instruction input by the communication module, outputting a control signal to the driving module according to the unlocking instruction to drive the executing mechanism to unlock, receiving a locking trigger signal output by the locking signal trigger circuit unit, and outputting a mountain control signal to the driving module according to the locking trigger signal to drive the executing mechanism to lock;
the locking device comprises a communication module, an MCU (microprogrammed control unit), a locking signal trigger circuit unit and a driving module, wherein the communication module, the MCU, the locking signal trigger circuit unit and the driving module are all fixed in a shell, an actuating mechanism is fixed in the shell and positioned beside an insertion hole, the locking signal trigger circuit unit is positioned below the insertion hole, when a key insertion plate of an adjacent electronic lock is inserted into the insertion hole in place, the key insertion plate triggers the locking signal trigger circuit unit, the driving module drives the actuating mechanism under the control of the MCU, and the actuating mechanism drives a lock tongue to be inserted into a clamping; when a remote unlocking instruction is received, the driving module drives the executing mechanism under the control of the MCU unit, and the executing mechanism drives the lock tongue to be pulled out from the clamping hole of the key plug board.
2. A shopping basket electronic lock as claimed in claim 1, wherein said lock signal trigger circuit unit includes a first resistor and a tact switch, one end of said first resistor is connected to the output terminal of the power module, the other end of said first resistor is connected to one end of the tact switch and an IO terminal of the MCU unit, the other end of said tact switch is grounded, and when the key plug board is inserted into the key jack in place, the key plug board touches the tact switch to turn on the tact switch; or the locking signal trigger circuit unit adopts a proximity switch, and the proximity switch is in communication connection with the MCU unit.
3. A shopping basket electronic lock as claimed in any one of claims 1 to 2, wherein the actuator includes a housing, an electromagnetic coil, an electromagnet, a spring and an iron block, the electromagnet is fixedly disposed within the housing, the electromagnetic coil is wound around the electromagnet, the iron block is in the shape of a stepped column, the large end of the iron block is disposed within the housing, the small end of the iron block passes through a through hole disposed in the housing, the spring is disposed within the housing and has its two ends connected to the electromagnet and the iron block, respectively, the spring is in a compressed state, the electromagnetic coil is connected to the output end of the drive module, and the small end of the iron block is connected to the latch.
4. A shopping basket electronic lock as claimed in claim 3, wherein said drive module includes a voltage divider resistor unit, a switch tube and a freewheeling diode, the IO terminal of said MCU unit is connected to the base of the switch tube through the voltage divider resistor unit, the collector of said switch tube is connected to the anode of the freewheeling diode and one input terminal of the actuator, the cathode of said freewheeling diode and the other input terminal of the actuator are simultaneously connected to the output terminal of the power module, and the emitter of said switch tube is grounded.
5. A shopping basket electronic lock as claimed in claim 1, wherein said actuator is a motor, said drive module employs a transistor array of type ULN2003L for driving a two-phase four-wire stepper motor, the input terminals of said transistor array being connected to the four IO terminals of the MCU unit, and the four output terminals of said transistor array being connected to the stepper motor.
6. A shopping basket electronic lock as claimed in claim 1, wherein the housing is square, the key insertion plate is in the form of an inverted "T" and has a horizontal portion fixed to the first surface of the housing by means of screws, and the locking hole is located in a vertical portion of the key insertion plate.
7. A shopping basket electronic lock as claimed in claim 1, wherein the connecting portion is a threaded hole or a threaded post for connection.
8. A shopping basket electronic lock as claimed in claim 1, including a voice module connected to the MCU unit, the voice module being disposed within the housing and a speaker in the voice module being located adjacent to the through hole disposed on one side of the housing.
9. A shopping basket electronic lock as claimed in claim 1, including a commodity barcode recognition module for recognizing barcode information of a commodity and transmitting the barcode information to the MCU unit, the housing being provided with a window on the first surface, the commodity barcode recognition module being disposed within the housing directly below the window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263314.0U CN210067680U (en) | 2018-08-06 | 2018-08-06 | Shopping basket electronic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263314.0U CN210067680U (en) | 2018-08-06 | 2018-08-06 | Shopping basket electronic lock |
Publications (1)
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| CN210067680U true CN210067680U (en) | 2020-02-14 |
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| CN201821263314.0U Expired - Fee Related CN210067680U (en) | 2018-08-06 | 2018-08-06 | Shopping basket electronic lock |
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| CN (1) | CN210067680U (en) |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 Termination date: 20210806 |