Sensor unit including direction of rotation detection
A sensor device and sensor technology, used in non-mechanical transmission-operated locks, building locks, buildings, etc., can solve problems such as dirty grooves, complex data analysis, and impaired operation safety.
Active Publication Date: 2016-05-18
DORMAKABA DEUT GMBH +1
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AI Technical Summary
Problems solved by technology
[0004] The rotary handle only provides very little space, so incremental encoders cannot be mounted in a space-saving manner
Furthermore, the grooved discs have the disadvantage of becoming dirty, thus compromising the operating safety
Last but not least, relatively complex data analysis is required in order to detect the direction of rotation of the grooved disc
Method used
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Embodiment Construction
[0056] Figure 1 shows two views of a handle cylinder 100 as part of a lockable blade lock, ie only the parts relevant to the invention are shown.
[0057] according to Figure 1a , the handle cylinder 100 includes: a molded cylinder 110 with a locking tooth 111 capable of free rotation, and a handguard hole 112 . A rotary handle 120 is fixed to one end of the forming cylinder 110 . The handle is provided with a reader 121 coupled to a non-illustrated access data carrier with an antenna 122 for touchless contact. Furthermore, the preferred visual indicator device 124 is configured in the shape of, for example, a lighted ring. Finally, an independent power source in the form of a battery 123 or accumulator is accommodated in the rotary handle 120 .
[0058] Such as Figure 1b As shown in , the rotary handle 120 comprises, at its side oriented towards the shaped cylinder 110, four sensors 125, preferably in the form of GMR sensors. The sensors 125 are arranged in such a way t...
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A sensor device according to the invention is equipped to be used in a rotary knob (120) of a knob cylinder (100). The sensor device has at least one pair of sensors (125) and a counter-element (113). Said counter-element (113) and the at least one pair of sensors (125) are disposed so as to be movable relative to one another along a circular movement path. The counter-element (113) and the sensors (125) are located opposite one another in such a way that the detection regions (126) of the sensors (125) enclose a respective sub-region of the movement path and partially overlap one another in the region of the movement path. The movement path extends partially outside the detection regions (126) of the at least one pair of sensors (125). A rotary knob (120) according to the invention is disposed so as to be freely rotatable relative to a lock bit (111) of a profiled cylinder (110) and can be activated in such a way that, for the time of activation, the rotary knob (120) energizes an actuator which is rotationally operatively connected to the lock bit (111) in such a way that said actuator rotates the lock bit in a predetermined direction. The rotary knob (120) comprises a reader (121) which is designed to read data of a code card. Furthermore, the rotary knob (120) comprises the aforementioned sensor device.
Description
technical field [0001] The invention relates to a sensor device, in particular to a sensor device for a rotary handle of an electronic handle cylinder, correspondingly an electromechanical handle cylinder. Background technique [0002] It is known during its operation to rotatably operate the profiled cylinder by means of an electronic system, correspondingly using elements of the rotating handle of the handle cylinder, to correspondingly actuate the actuator housed in the associated profiled cylinder of the blade lock The locking teeth are attached to the rotary handle. Once the operation is terminated, the actuator closes. Usually, this operation is realized in a touchless manner, such as by a code card in the form of an answering card, which is placed on the reader of the rotary handle or kept close to the reader, and the code card Include authorization data. A reader will read said data and check if there is an authorization to open the blade lock. If the check is su...
Claims
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IPC IPC(8): E05B17/22E05B47/06
CPCE05B17/22E05B47/0611E05B47/0615E05B2047/0067
Inventor 迪特尔·武尔夫冈纳·霍夫
Owner DORMAKABA DEUT GMBH