165results about "Alarm locks" patented technology

A delayed unlocking push-down type emergency door-locking device includes a main lock seat, a secondary lock seat, a push-down type handle assembly, a position-sensing module and a timing electromagnetic traction assembly. The push-down type handle assembly is configured for moving along a driving path from a locking position toward an unlocking position, thereby at least one of locking element of the main lock seat is separated from a locking groove to unlock. A stopper is disposed at the secondary lock seat, configured for moving between a stop position and an avoidance position. The timing electromagnetic traction assembly is configured for counting time upon when the position-sensing module detects the push-down type handle assembly is separated from the locking position, and for pulling the stopper from the stop position to the avoidance position after delaying a predetermined delay time to the unlocking position for delaying.

In order to secure a door in a locked position without a key, such as to resist a forced entry through the door, a removable, non-intrusive, remotely-controlled door locking apparatus is provided, which includes a rear plate for attachment against a surface of a door using an adhesive substance, a flange that extends from the rear plate under the door, and a cover for enclosing components on the rear plate. A DC-powered linear actuator connected to the rear plate and at least one electronics module configured to communicate wirelessly is within the cover. A foot of the actuator is configured to be extended in a lock state against a floor surface to secure the door or retracted in an unlock state, based on either a wireless signal received from a remote smart device or the state of a manual switch located on apparatus to control the actuator.

The disclosed computer-implemented method may include a magnetic insertable lock component with a magnet-sensing lock housing. By using a magnet within a pin and a magnetic field sensor within the lock housing, the apparatus may accurately detect the state of the lock. In some embodiments, the apparatus may determine the pin is inserted fully into the lock, the pin is inserted partially into the lock, the pin is not inserted in the lock, and / or that a foreign object that is not the pin is inserted into the lock. By using a magnet within the pin to track the state of the lock, the apparatus may improve both the user experience and the security of the lock. Various other methods, systems, and computer-readable media are also disclosed.

This disclosure relates to an alarm control method, device, lock, and storage medium for a door lock. The alarm control method includes: detecting a first switch state of a first switch of the door lock, wherein the first switch is installed on the front panel of the door lock, and the first switch state indicates whether the front panel of the door lock is pressed against the first switch; determining the password information of the door lock based on the first switch state indicating that the front panel is not pressed against the first switch; and not outputting an alarm signal based on the password information indicating that the door lock does not have an unlocking password. Thus, even if the front panel is not fastened or the first switch is not pressed during installation, no alarm signal will be output because the door lock does not have an unlocking password. This solves the problem of door locks easily triggering anti-pry alarms falsely.

The utility model relates to an intelligent door lock with anti -disassembly alarm function, it includes casing and installs control circuit board on the casing, control circuit board is located on the back side of casing and is equipped with conductive spring main part, control circuit board has alarm module, alarm module has inner conductive part and the outer conductive part around the inner conductive part, the conductive spring main part includes the outer spring and the inner spring connected together, the inner spring is located the inside of outer spring, and the length of outer spring is greater than the length of inner spring, outer spring and outer conductive part correspond, inner spring and inner conductive part correspond, when the casing is assembled in the door body, the outer spring and inner spring are compressed under stress and are connected outer conductive part and inner conductive part respectively, when the casing is pryed, the outer spring restores deformation and makes inner spring and inner conductive part break off and thus triggers alarm module. The intelligent door lock with this kind of structure does not need to debug distance when installing, can directly screw and fix the casing, is very convenient.

This system includes: - an access control unit (110) configured to generate information indicating that a person is an authorized person to enter, and - an alarm module (130) configured to automatically disarm an alarm device, without a disarm code having been acquired by a reader, if the following two conditions are met: - condition 1): the alarm module has established, from the information generated by the access control unit, that the opening of the entrance door which triggered the countdown of a predetermined time interval to enter the disarm code, results from the movement of a bolt mechanism by an authorized person to enter, and - condition 2): during the predetermined time interval counted from the detection of the opening of the entrance door, the closing of the entrance door is detected.

To provide a remote control locking / unlocking key storage box, a remote control locking / unlocking key storage system and a disaster countermeasure support system linked with a simultaneous alarm for realizing the opening of a shelter or the like without delay when a disaster occurs.SOLUTION: In this alarm cooperation remote control locking / unlocking key storage system, a remote control locking / unlocking box 7 incorporates a GPS, and transmits a position coordinate to an alarm cooperation remote control locking / unlocking key storage system management server 3 by an Internet communication service 5. The alarm-associated remote control locking / unlocking key storage system management server has a function of automatically transmitting an unlocking signal to the remote control locking / unlocking key storage box with a simultaneous alarm alert as a trigger through the simultaneous alarm system 2, communicates with the remote control locking / unlocking key storage system terminal 4 accessible from a personal computer of a local government, a rescue support person related to a shelter, or a mobile terminal of a person concerned, and can browse a locking / unlocking state of the remote control locking / unlocking key storage box and remotely control locking / unlocking.SELECTED DRAWING: Figure 2

The present invention relates to a locking system (20) for locking a door (15) comprising at least two locks (31). The locking system (20) has a position sensor (40) per lock (31), each position sensor (40) emitting a measurement signal carrying a locked or unlocked state of the associated lock (31), the signaling system (30) comprising a controller (50) receiving the measurement signals and being connected to an alarm (60), the controller (50) being configured to emit either an unlock signal (SDV) when at least one measurement signal carries an unlocked state of the associated lock or a locking signal if each measurement signal carries a locked state of the associated lock, the alarm (60) generating a visual unlock alert upon receipt of the unlock signal and a visual lock alert upon receipt of the lock signal.Abbreviated figure: figure 1.

An electronic lock with a dual-position monitoring function comprises a lock shell, a control circuit board, a rotating switch, a lock body component, a stop mechanism, a first position sensor and a second position sensor. The lock shell is assembled on the door cabinet body through the installation base, and the control circuit board is arranged in the lock shell. The rotating switch can stretch out and draw back relative to the lock body component, so that one rotating switch can stretch out and draw back relative to the lock shell. The lock body component is arranged at the rear end of the shell and is in transmission fit with the rotating switch. The stop mechanism is arranged in the shell, acts on the rotary switch and has a stop position state and a release position state. The first position sensor is in communication connection with the control circuit board and is in position sensing fit with the stop mechanism; the second position sensor is also in communication connection with the control circuit board and is in position induction fit with the lock body component, and double-position monitoring is achieved.

The application discloses an electronic door lock, which comprises a shell assembly, a protection piece, an alarm module, a sensing module and a control module, the shell assembly is provided with a charging hole and a key hole, the protection piece is movably arranged on the shell assembly, and the protection piece is used for opening and closing the charging hole and the key hole; the alarm module is arranged on the shell assembly; the sensing module is arranged on the shell assembly and can generate a sensing signal when the protection piece opens the charging hole or the key hole; and the control module is arranged on the shell assembly and electrically connected with the alarm module and the sensing module respectively, so that the control module can control the alarm module to work according to the sensing signal, the alarm module can work when the protection piece opens the charging hole and the key hole, an alarm signal is sent to prompt a user, the user can determine that the charging hole or the key hole is opened according to the alarm signal, and the use safety of the electronic door lock is improved.

The utility model discloses a belt conveyor escape ladder anti-falling protection device, which relates to the technical field of escape ladder protection, and comprises a pillar, a vertical ladder and a vertical ladder cover plate, the vertical ladder comprises a guardrail, a ladder and a support frame, the guardrail is in a semi-circular ring shape and is sleeved on one side of the ladder, the support frame is arranged on the other side of the ladder and is connected with the pillar, and the vertical ladder cover plate is arranged on the pillar. The top of the supporting column is connected with the vertical ladder steel structure platform, and the ladder penetrates out upwards from one end of the vertical ladder steel structure platform. The overall protectiveness of the vertical ladder can be improved, and the accident rate is reduced.

The invention relates to the technical field of power equipment, and discloses an internet-of-things electric energy metering box which comprises a shell and an electric energy meter arranged in the shell, the shell can be formed by injection molding of any one of PC + ABS, PC + ASA gold-containing plastic and PP + LGF long glass fiber reinforced polypropylene, or is formed by compression molding of a high-performance SMC composite material, and the shell can be formed by injection molding of any one of PC + ABS, PC + ASA gold-containing plastic and PP + LGF long glass fiber reinforced polypropylene. Or a stainless steel material is used for machining and welding. The shell comprises a cover plate and a side plate, a mechanical lock is arranged between the cover plate and the side plate, the mechanical lock comprises a spring bolt, a lock groove for the spring bolt to stretch into is formed in the side plate, a locking structure is arranged in the side plate and can lock the spring bolt in the lock groove, and an anti-theft lock cylinder is arranged in the first lock hole. The lock tongue is fixed in the lock groove through the locking structure, the effect of improving the protection performance of the electric energy metering box is achieved, automatic grading alarm is achieved through the alarm module, equipment parameter signals are sent to a mobile phone terminal, and workers can conveniently know the working condition in time.

The utility model belongs to the technical field of lock cylinders, and particularly relates to a lock cylinder structure with door-closing missing detection, which comprises a lock shell, an inserting rod, a lock block and a key rod, a door-closing missing detection component is arranged in the lock shell, and a first Hall sensor is matched with a second magnet block, so that whether the lock cylinder rotates or not is detected, and the door-closing missing detection is realized. Whether the inserting rod is inserted into the lock block or not is detected through cooperation of a second Hall sensor and a first magnet block, in the door opening process, the lock firstly induces that the lock cylinder rotates to be opened, then the inserting rod is inducted to be pulled out of the lock block, and therefore the door opening detection process is completed; and then the lock cylinder rotates back to the original position and is pulled out, so that the door closing detection process is completed, and if matched induction of the second Hall sensor and the first magnet block is not inducted after the door is closed, door closing missing is detected, a user is reminded, and field safety management and control are enhanced.

This invention discloses a mechanical key switch control structure for a smart lock on a glass door, relating to the field of smart lock technology. It includes: a key mechanism comprising a key body with physical teeth and an electronic identity carrier disposed within it; and a mechanical key switch mechanism coupled to the key mechanism. The entire structure utilizes a multi-stage transmission stroke structure composed of a key core, a synchronous gear, a U-shaped gear, and a stroke gear to sequentially convert a single rotation of the key body into a first stroke signal, a second stroke signal, and a third stroke signal, forming multi-dimensional mechanical motion characteristic data. Simultaneously, a control component is coaxially mounted on the side end of the stroke gear. This control component ensures smooth transmission through the smooth working area of ​​the asymmetrical cam during normal key rotation, and triggers the mechanical self-locking of the ratchet and pawl components through a steep limiting area during forced entry or abnormal rotation, achieving a dual protection function of normal passage and abnormal blocking.

The invention discloses a protective door lock state monitoring device, and relates to the technical field of protective door intelligent monitoring, and the device comprises a signal collection module which is used for arranging a plurality of groups of infrared transmitting-receiving geminate transistors at equal intervals along the motion trail of a lock cylinder of a door lock, forming a position detection matrix and collecting infrared signals; the dynamic threshold value generation module is used for acquiring the environment parameters and the initial shielding threshold value, and adjusting the initial shielding threshold value based on the environment parameters to obtain a dynamic threshold value; the door lock state display module is used for determining the displacement amount of the lock column based on the intensity of the infrared signal and a dynamic threshold value and displaying the door lock state based on the displacement amount and the control information; the self-checking processing module is used for carrying out self-checking on the infrared transmitting-receiving geminate transistors, adjusting the infrared transmitting power when a self-checking result is abnormal, and sending abnormal information; and the diagnosis response module is used for judging whether the displacement of the lock column is consistent with the control information or not, and performing graded response according to the abnormal type when the displacement is inconsistent. The locking position of the lock column is accurately detected, and the state detection precision of the door lock is improved.

To allow a user to easily recognize a device for notifying an opening / closing state of a door.SOLUTION: The door structure includes the frame portion 12 having a hollow structure and configured to support the door 1 so as to be openable and closable, and the light emitting portion 15 accommodated in the space inside the frame portion, the frame portion 12 has the opening communicating with the space on the width face 13 of the frame portion 12, the light emitting portion 15 includes the light source and the transmission portion configured to transmit the light of the light source, and the transmission portion is exposed to the outside through the opening on the width face.SELECTED DRAWING: Figure 1

This application proposes a double-ring electronic anti-theft lock, comprising: an iron chain having a first state and a second state; a slider lock rod set on the iron chain; a locking assembly set at one end of the iron chain; an iron ring set at the end of the iron chain away from the locking assembly; when the iron chain is in the first state, the locking assembly does not contact the slider lock rod, and the iron ring is not fitted on the iron chain; when the iron chain is in the second state, the locking assembly contacts the slider lock rod, and the iron ring is fitted on the iron chain. By passing the iron ring through the locking assembly and the slider lock rod and then fitting it on the iron chain, the locking assembly is locked with the slider lock rod, thus forming the iron chain into a figure-8 shape. Compared to traditional U-shaped locks or chain locks, it is easier to lock the anti-theft lock to external fixed objects. By designing the iron chain, iron ring, and locking assembly as an integrated structure, it is more convenient for storage and use compared to traditional separate locks.

An anti-panic push bar (2) for operating a door lock (14) of an escape door (11) or emergency exit door is proposed, comprising a base profile (4) which can be mounted on a door leaf (12) and an operating profile (3) to operate a door lock (14) of the escape door or emergency exit door. In order to create an anti-panic push bar (2) with a mechanically stable structure and to be able to adapt the anti-panic push bar to different design requirements in a simple and cost-effective manner, it is proposed that the basic profile (4) has an outer shell (42) and an inner shell (41) such that the inner shell (41) is arranged inside the outer shell (42) in such a way that the outer shell (42) covers the externally visible surfaces of the inner shell (41).

This invention relates to a combination lock, comprising a lock body, a lock rope, and a combination wheel assembly and a winding component disposed within the lock body. The first end of the lock rope is fixed to the winding component, and the second end of the lock rope has a plug. The lock body has a socket for inserting the plug. In the locked state, the lock rod and the plug are in a limiting engagement. In the unlocked state, the lock rod slides axially relative to the lock body, allowing the plug to disengage from the socket. The lock body also contains a circuit board. The lock rope is conductive, and the first end of the lock rope is electrically connected to the circuit board. When the plug and lock rod are in a limiting engagement, the plug and circuit board are in electrical contact, forming a closed detection circuit between the two ends of the plug and the circuit board. When the lock rod is in the locked state, the circuit board can emit an alarm signal when the closed detection circuit is forcibly broken. Using the above technical solution, this invention provides a combination lock with an alarm function. When the lock rope is maliciously cut, the circuit is interrupted, and the combination lock emits an alarm signal, improving anti-theft performance.

A lock apparatus including a cylinder lock and an actuation member configured to operate the cylinder lock via rotation of the actuation member with respect to a part of the cylinder lock, wherein: the cylinder lock includes a magnet, and the actuation member includes a smart actuation member circuit, the smart actuation member circuit including: one or more sensors (including one or more magnetic field sensors) configured to sense an action of the smart actuation member circuit with respect to the cylinder lock; and a processor or controller configured to receive information indicative of the sensed action from the or each sensor for use in determining a status of the cylinder lock. Furthermore, smart actuation member circuit, cylinder lock and method of fitting such a cylinder lock are claimed.

Conventional methods for unlocking disaster prevention warehouse doors rely too heavily on mechanical earthquake detection devices. This means that even authorized personnel approaching a warehouse cannot unlock it without the correct key if the earthquake detection device is not activated due to an earthquake. Furthermore, the lack of communication capabilities prevents unlocking from remote monitoring centers. [Solution] The device can be unlocked by any of the following methods: (i) unlocking by the earthquake detection device; (ii) unlocking by short-range wireless communication such as Wi-Fi or Bluetooth® or by disaster prevention administrative radio; or (iii) unlocking by a manual key; and it can also be unlocked from a remote location. Furthermore, it is characterized by the addition of an earthquake sensitivity adjustment function.

The application discloses a kind of electronic seal based on memory alloy, including lock body and lock head, the lock body includes bottom box part, the bottom box part is provided with the rotatable lock of being able to rotate and open lock with the lock head adaptation, control circuit board is further provided on the bottom box part, memory alloy wire for realizing rotation and opening lock is connected into circuit, the memory alloy wire is wound in the rotatable lock, lock core fixed base is fixed on the bottom box part, the center of the lock core fixed base is provided with springback device, the rotatable lock is rotatably connected on the lock core fixed base upper side, and opening and closing are realized by memory alloy driving lock hook movement, cost is only about one sixth of conventional motor structure cost, and the speed of opening lock is fast, and from power-on to opening lock is not more than 400ms, long service life, and use frequency can be more than 10000 times.

The invention relates to a safety device (1) designed to secure a plurality of mobile objects (12), wherein the safety device (1) comprises: - a locking module (2) with a housing (4), a lock (6) and a retraction mechanism (8) arranged in the housing (4), - a safety cable (10) which is rigidly coupled to the retraction mechanism (8) on one side and can be releasably locked or locked to the lock (6) on the other side, wherein the retraction mechanism (8) comprises a winding element (8.1) which is arranged to be wound up and unwound in the housing (4) and is configured such that it is extended or extendable by pulling on a free cable end (10.1) of the safety cable (10), so that the safety cable (10) can be variably extended and attached to the mobile objects (12), connecting them to one another, wherein the free cable end (10.1) is a locking element (10.1.1) comprises which can be inserted into the lock (6) and locked in place, wherein the winding element (8.1) and the safety cable (10) can be automatically retracted or are retracted into the housing (4) after the locking mechanism is released.

The utility model discloses an access control security device which comprises a lock, a mounting plate, a driven block, a linkage part and a security alarm part, the lock comprises a lock shaft and a power source, the security alarm part is arranged below the lock, and the security alarm part comprises a spring, a non-self-locking button and a feedback shaft. The security alarm device has the advantages that the lock and the security alarm component are arranged in a split mode, by means of a mechanical linkage structure among the lock shaft, the driven block and the feedback shaft, the feedback shaft is accurately pushed to squeeze the button to generate an alarm signal when the lock shaft unlocks an entrance guard, the button is kept to be turned off when the lock is locked, and the security alarm device is safe and reliable. Stable and reliable feedback of the access control state is achieved, the problems that electronic elements are prone to interference, aging or power failure and the like are effectively avoided, and the anti-interference capacity and operation stability of the security and protection system are greatly improved.

The utility model relates to the technical field of electric control locks, in particular to an anti-prying type spring bolt linkage alarm device of an electric control lock, which comprises a lock body and a lock shell arranged on the lock body, a vibration sensor is arranged in the lock shell, a spring bolt is connected in the lock shell in a sliding mode, a lock catch is arranged on the front side of the spring bolt, and an annular groove is arranged in the front side face of the lock body. An optical displacement sensor is arranged on the lock body and comprises a receiver and a light source which are arranged in the annular groove, the optical displacement sensor further comprises a reflector fixedly installed on the rear side wall of the lock catch, the receiver and the reflector are opposite in position, a control host is arranged on the lock body, and an alarm is arranged on the control host. A cylindrical rod is arranged in the through hole, a straight wire is arranged in the through hole, and a spiral wire is fixedly installed at the other end of the straight wire and surrounds the cylindrical rod. The anti-prying alarm device has the anti-prying alarm function of the spring bolt, and is beneficial to guaranteeing safety.