CN111663863A - Electronic resistance lock-based infant anti-theft lock and control method thereof - Google Patents

Abstract

An infant anti-theft lock based on an electronic resistance lock and a control method thereof relate to an infant anti-theft lock. It has solved the unreliable problem of current perambulator anti-theft device. The lock body of the baby anti-theft lock is realized by adopting a whole set of safety lock, a lock hole is arranged on the shell of the whole set of safety lock, a coding circuit of an electronic resistance lock is embedded in the position corresponding to the lock hole, an unlocking protrusion with the shape matched with that of the lock hole is arranged on a finger-ring-shaped key, and a coil resistor matched with the coding circuit is fixed in the protrusion. The baby anti-theft lock can also comprise an alarm device which generates a warning signal according to the trigger signal sent by the coding circuit. The control method of the infant anti-theft lock comprises the steps that the protrusion of the key is inserted into the lock hole of the lock body, the coil resistor in the lock body enables a circuit in the lock body to generate oscillation current with fixed frequency, when the fixed frequency is consistent with the preset frequency of the lock body, the lock body is opened, and otherwise, the lock body does not act. The invention is suitable for various strollers.

Description

Electronic resistance lock-based infant anti-theft lock and control method thereof

Technical Field

The invention relates to an infant anti-theft lock, and belongs to the technical field of anti-theft locks.

Background

With the improvement of living standard of people, the baby carriage becomes a necessary product for parents to go out and is also an optimum outdoor transportation tool for babies. The baby carriage can be used for carrying a baby out to go, go shopping, even travel, can liberate the hands of parents and can reduce the labor force of the parents.

The safety of the baby carriage as a necessary tool for daily transportation and infant care is gradually becoming the primary evaluation index of product quality. In particular, in recent years, the occurrence of a case where a baby is stolen from a stroller is frequent, and thus, a safety problem is more likely to be considered by parents as one of the primary problems in purchasing a stroller. Therefore, it is important to design a low power consumption, low radiation, safe and effective baby anti-theft device in a baby carriage.

Disclosure of Invention

The invention designs an electronic resistance lock-based baby anti-theft lock for a baby carriage aiming at the anti-theft problem of the baby carriage, and the technical scheme of the invention is as follows:

the infant anti-theft lock comprises a lock body and a key, wherein the lock body is realized by a whole set of safety locks, a lock hole is formed in the shell of the whole set of safety locks, a coding circuit of an electronic resistance lock is embedded in a position corresponding to the lock hole, the key is in a ring shape, an unlocking protrusion is arranged on the ring, the protruding shape is matched with the shape of the lock hole and can be embedded into the lock hole, and a coil resistor matched with the coding circuit is fixed in the protrusion.

The shape of the lock hole can adopt various shapes, such as: star shapes, polygons, or irregular shapes.

The control method aiming at the infant anti-theft lock comprises the following steps:

inserting the protruding portion of the key into the keyhole of the lock body; and a coil resistor inside the key enables a circuit in the lock body to generate a vibration current with fixed frequency, when the fixed frequency is consistent with the preset frequency of the lock body, the lock body is opened, otherwise, the lock body does not act.

On the basis of the scheme, an alarm device can be additionally arranged, the alarm device is connected with the lock body in a wireless or wired mode, and the alarm device generates a warning signal according to a trigger signal sent by the coding circuit.

The control method aiming at the infant anti-theft lock comprises the following steps:

inserting the protruding portion of the key into the keyhole of the lock body; and a coil resistor inside the key enables a circuit in the lock body to generate a vibration current with fixed frequency, when the fixed frequency is consistent with the preset frequency of the lock body, the lock body is opened, otherwise, an alarm device is triggered to generate an alarm signal.

In practical application, the baby anti-theft lock can be used in cooperation with a safety belt of an existing baby carriage, for example, when the baby anti-theft lock is used in cooperation with a five-point safety belt commonly used for baby carriages, the back of the intersection of the safety belt is fixed by the baby anti-theft lock, namely, one surface of the existing baby carriage, which is close to the body of a baby, at the position where a button of the safety belt is unlocked, is changed into a state that a resistance lock with different materials and different shapes is installed. Corresponding to each resistance lock of the baby carriage with different shapes and different resistance materials, a corresponding unlocking ring is configured, namely the shape of the ring is matched with the resistance materials. The electronic resistance lock installs the external oscillation resistance of the coding integrated circuit on the ring (namely the key), and realizes the consistency of the oscillation frequency of the coding and decoding integrated circuit by using the same resistance to generate the same oscillation frequency. If the ring made of the same resistance material, the same resistance value and the same shape is inserted into the lock, the lock can be unlocked after the ring is put through, and the baby can be taken out. If the ring (key) with different resistance values or different shapes is inserted into the lock, the decoding circuit can not work normally due to the inconsistent oscillation frequency of the coding and decoding integrated circuit, and then the safety belt of the baby carriage can not be unlocked. Meanwhile, the alarm device can be connected with an alarm device of the baby carriage, and the alarm system can be triggered if the alarm device is not matched.

The resistance lock of back overall arrangement can prevent that other people from imitating its unblock shape, prevents simultaneously that other people from knowing the resistance material to reach dual encrypted effect, promote the security of baby's pickproof lock greatly. In addition, the anti-theft lock can also prevent the baby from automatically unlocking the safety belt by pressing the button by oneself and automatically unlocking the button of the safety belt after the button fails, thereby avoiding the dangers of sliding off the baby and the like.

Due to the adoption of the technical scheme, the invention has the following advantages:

(1) the electronic resistance lock is low in cost, and compared with an electronic coded lock, a fingerprint identification lock, a face identification lock and the like, the electronic resistance lock is low in cost and high in popularization.

(2) The safety belt unlocking device has the advantages that convenience is realized, the electronic resistance lock is simply and easily unlocked by adopting the special-shaped metal ring, compared with the original action of unlocking the safety belt, any other action is not added, the speed is high, and the operation is easy.

(3) The security, adopt dual encryption and since the mechanical resistance pickproof lock security is high, can avoid utilizing programming to explain the pickproof lock basically to steal the incident of baby.

Drawings

Fig. 1 is a schematic structural diagram of a lock body of an infant anti-theft lock based on an electronic resistance lock according to a first embodiment.

The section schematic diagram of the infant anti-theft device based on the electronic resistance lock (not only is limited to the figure, but also different production lines can produce locks with different shapes and different metal materials).

Figure 2 is a schematic view of a key configured to mate with the lock body of figure 1.

Fig. 3 is a schematic diagram of an operation process of an infant anti-theft lock based on an electronic resistance lock according to a second embodiment.

Fig. 4 is an electrical schematic diagram of the electronic resistance lock when the stroller is locked, i.e., after the stroller is locked, the key position is blank, and the entire circuit is open, and no current flows through the circuit.

Fig. 5 is an electrical schematic diagram of the electronic resistance lock in an unlocked state, that is, after the key is inserted into the keyhole, the key is used as a coil resistor to complete the whole circuit, the circuit generates an oscillating current with a fixed frequency, and when the frequency of the oscillating current is the same as a preset frequency, unlocking is realized.

Detailed Description

First embodiment this embodiment will be described with reference to fig. 1 and 2. This embodiment a baby pickproof lock based on electronic type resistance lock comprises lock body and key two parts, the lock body adopts complete set of safety lock to realize to be provided with the lockhole on the shell of complete set of safety lock, the inside encoder circuit that has electronic type resistance lock of embedding in the position that corresponds with this lockhole, the key is the ring shape, is provided with on this ring and unblanks protrudingly, this prominent shape suits with the lockhole shape, can imbed in the lockhole, this protruding inside be fixed with encoder circuit matched with coil resistance.

The complete set of safety lock described in the embodiment is a safety lock commonly used for the existing baby carriage, and the embodiment applies the safety lock and improves the structure thereof, namely: a lock hole and an electronic resistance lock are added.

The control method of the infant anti-theft lock in the embodiment comprises the following steps:

inserting the protruding portion of the key into the keyhole of the lock body;

and a coil resistor inside the key enables a circuit in the lock body to generate a vibration current with fixed frequency, when the fixed frequency is consistent with the preset frequency of the lock body, the lock body is opened, otherwise, the lock body does not act.

In practical application, the lock body is fixed on the surface of the baby carriage where the bayonet of the safety belt is close to the body of the baby by the fixing device on the lock body. Then, a parent in charge of taking care of the baby wears the key on the finger. When the safety belt on the baby carriage needs to be unfastened, fingers with keys are inserted between the bayonet of the safety belt and a baby, and the protrusions on the keys are inserted into the lock holes of the lock bodies on the bayonet, so that the bayonet is opened.

The unlocking structure of the lock body of the infant anti-theft lock is arranged at a position which can not be seen outside, so that the concealment of the infant anti-theft lock is improved, the unlocking difficulty is increased, and the probability of unlocking a safety belt by a stranger is reduced.

The infant anti-theft lock described in the present embodiment has two unlocking arrangements, and the unlocking principle thereof is shown in fig. 4 and 5: first, there is a mechanical structure, namely: only if the shape of the protrusion on the key is matched with the shape of the lock hole of the lock body, the protrusion on the key can be embedded into the lock hole; secondly, an electronic structure, namely: after the protrusion on the key is inserted into the keyhole, the coil resistor in the protrusion must be matched with the oscillating circuit in the lock body, and the unlocking structure can be finally started. The two unlocking structures increase the safety of the infant anti-theft lock.

The oscillating circuit described in this embodiment is implemented according to the law of rogowski coils and the characteristics of capacitors, and after the key is inserted into the keyhole, if the frequency of the oscillating current generated in the circuit is consistent with the implementation setting, unlocking is implemented, otherwise, unlocking is not implemented. The frequency of the oscillating current is determined by the resistance of the coil in the key.

The shape of the keyhole in the present embodiment may be designed to be a star shape, for example: hexagonal, pentagonal, triangular, tetragonal, etc., and may also be designed into polygonal shapes, such as: trilateral, quadrilateral, pentagonal, hexagonal, etc., and may also be designed in other irregular shapes, such as: animal, fruit, cartoon human, etc. This kind of principle that adopts shape and resistance phase-match to realize unblanking of this embodiment can improve baby's pickproof lock's reliability, promptly: the probability of opening multiple locks with one key is reduced.

In view of the usage of the baby anti-theft lock described in this embodiment, as a key of the baby anti-theft lock, a parent may fall the finger ring on his finger when using the baby anti-theft lock, and then should face the protrusion on the finger ring to the palm side, so as to facilitate opening the safety belt, and prevent others from easily finding the shape of the protrusion on the key.

In the second embodiment, an alarm device is added, the alarm device is connected with the lock body in a wireless or wired manner, and the alarm device generates a warning signal according to a trigger signal sent by the coding circuit.

The control method of the infant anti-theft lock in the embodiment comprises the following steps: inserting the protruding portion of the key into the keyhole of the lock body;

and a coil resistor inside the key enables a circuit in the lock body to generate a vibration current with fixed frequency, when the fixed frequency is consistent with the preset frequency of the lock body, the lock body is opened, otherwise, an alarm device is triggered to generate an alarm signal.

The alarm device added in the embodiment is used for reminding people of paying attention in time when people use keys with the same shape to be inserted into the lock holes to attempt to unlock the lock.

The warning signal described in this embodiment may be a sound, a light, or a combination of the two, and may also be a wireless signal, for example: and sending short messages to set mobile phones and other remote alarms.

When alarm device among this embodiment is connected through wired mode with the lock body, this alarm device sets up on the perambulator, and when the two adopted wireless mode to connect, this alarm device also can set up on the perambulator, can also set up on the head of a family who takes care of the baby on one's body, more does benefit to warning signal and in time received by the head of a family.

The working process of the infant anti-theft lock according to the embodiment is shown in fig. 3.

Claims (10)

1. The utility model provides a baby pickproof lock based on electronic type resistance lock comprises lock body and key two parts, its characterized in that the lock body adopts complete set of safety lock to realize to be provided with the lockhole on the shell of complete set of safety lock, the inside coding circuit that has electronic type resistance lock of embedding in the position that corresponds with this lockhole, the key is the ring shape, is provided with on this ring and unblanks protrudingly, and this prominent shape suits with the lockhole shape, can imbed in the lockhole, should protruding inside be fixed with coding circuit matched with coil resistance.

2. The infant anti-theft lock based on the electronic resistance lock as claimed in claim 1, further comprising an alarm device, wherein the alarm device is wirelessly connected with the lock body, and the alarm device generates an alarm signal according to the trigger signal sent by the coding circuit.

3. The infant anti-theft lock based on the electronic resistance lock according to claim 1, further comprising an alarm device, wherein the alarm device is connected with the lock body in a wired manner, and the alarm device generates an alarm signal according to the trigger signal sent by the coding circuit.

4. An infant anti-theft lock based on an electronic resistance lock according to claim 2 or 3, characterized in that the warning signal is a sound signal, a light signal or a combination of both.

5. The infant anti-theft lock based on the electronic resistance lock as claimed in claim 3, wherein the warning signal is a wireless communication signal.

6. An infant anti-theft lock based on an electronic resistance lock according to claim 1, 2 or 3, characterized in that the shape of the lock hole is a star shape.

7. An infant anti-theft lock based on an electronic resistance lock according to claim 1, 2 or 3, characterized in that the shape of the lock hole is a polygon.

8. An infant anti-theft lock based on an electronic resistance lock according to claim 1, 2 or 3, characterized in that the lock hole is irregularly shaped.

9. The control method of the electronic resistance lock-based infant anti-theft lock according to claim 1, characterized in that the control method comprises:

inserting the protruding portion of the key into the keyhole of the lock body;

and a coil resistor inside the key enables a circuit in the lock body to generate a vibration current with fixed frequency, when the fixed frequency is consistent with the preset frequency of the lock body, the lock body is opened, otherwise, the lock body does not act.

10. The control method of the infant anti-theft lock based on the electronic resistance lock as claimed in claim 2 or 3, characterized in that the control method comprises:

inserting the protruding portion of the key into the keyhole of the lock body;

and a coil resistor inside the key enables a circuit in the lock body to generate a vibration current with fixed frequency, when the fixed frequency is consistent with the preset frequency of the lock body, the lock body is opened, otherwise, an alarm device is triggered to generate an alarm signal.

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