TWI550170B - Key identification device and key identification system - Google Patents

Description

Key identification device and key identification system

The present invention relates to a key identification device, and more particularly to a key identification system.

The key is usually inserted into the latching device. When the door is closed, the box is locked, the drawer is locked, or the vehicle is turned off, the user usually pulls out the key, and it is placed at random, waiting for the next time when needed. At this time, when there are a lot of keys mixed together, it will make it difficult to identify the key that can really open the latching equipment, and the trouble of searching for it, especially the lock that has been locked for a long time, will not be After use, it is even more difficult to remember which key is the key to really open the lock. Therefore, how to quickly identify a key has become an urgent problem to be solved by the present invention.

According to the problems of the prior art, the main object of the present invention is to provide a key identification device for managing a plurality of keys, the device can record information of each key, and when the user wants to use one of the keys, the key identification device can The user is prompted to correspond to the information of the key to quickly find the corresponding key.

Another object of the present invention is that when the user approaches the latch device, the user recognizes the key identification device and the electronic tag of the latch device, and the key identification device can read the latch device identification code to find the corresponding The key identifier of the latch device identification code, and The user is prompted with the key to unlock the latch.

According to the above object, the present invention provides a key identification device comprising: a plurality of sub-key rings and a female key ring, wherein the female key ring has a plurality of nodes, and each node is electrically coupled to each of the sub-key rings. The female key ring contains a memory, a processor, and a display device. The memory is a preset comparison table for storing a plurality of latch device identification codes, a plurality of key identification codes and a plurality of display information, wherein a latch device identification code corresponds to a key identification code and a display News. The processor determines a key identification code of each sub-key ring corresponding to each latch device identification code according to a preset comparison table. The display device is configured to display display information of the key identification code of each sub-key ring.

In an embodiment of the invention, the key identification device further includes a power supply module to provide power required for operation of the key identification device.

In an embodiment of the present invention, the key identification device further includes an identification device for determining the latch device identification code, wherein the identification device is a radio frequency identification device (RFID) or a bar code scanning device, and the barcode scanning device can It is a QR code, quick response code.

In an embodiment of the invention, each of the sub-key rings includes a prompting device for issuing a prompt signal.

According to the above object, the present invention also discloses a key identification system, comprising: at least one sub-key ring, transmitting a corresponding voltage value change signal, the female key ring and the at least one sub-key ring are electrically coupled, and the female key ring comprises a memory Body, processor and display device. The memory is a preset comparison table for storing a plurality of latch device identification codes, a plurality of key identification codes and a plurality of display information, wherein a latch device identification code corresponds to a key identification code and a display News. The processor receives the voltage value change signal sent by the sub-key ring, and determines the key identification code corresponding to the sub-key ring having the voltage value change signal according to the preset comparison table stored in the memory. The display device is configured to prompt the key information of the sub-key ring having the voltage value change signal.

According to the above key identification system, the voltage value change signal is achieved by means of pressing or touching the key ring.

The invention further provides a key identification system comprising a plurality of sub-key rings and a female key ring, and each of the sub-key rings is electrically connected to the female key ring, and each of the sub-key rings has a prompting device. The mother key ring further includes an identification device, a memory, and a processor, wherein the memory is configured to store a plurality of latch device identification codes, a plurality of key identifiers, and a preset comparison table of the plurality of latch device identification codes, wherein A latch device identification code corresponds to a key identification code and a display message. The identification device is adapted to sense the electronic tag of the latch device and to read the latch device identification code. The processor receives the latch device identification code transmitted by the identification device, and determines a key identification code of the sub-key ring corresponding to the latch device identification code according to the preset comparison table stored in the memory, and transmits the signal to the A sub-key ring is displayed on the display device of the sub-key ring in a lighted manner to remind the user that the key on the sub-key ring can open the latch device to save the user In the case of multiple keys, the time to find the right key to open the latching device.

The above and other objects, features, and advantages of the present invention will become more apparent and understood.

1, 2‧‧‧ key identification device

11, 21‧‧‧ mother key ring

13, 23‧‧‧Subkey ring set

131, 132, 133, 134, 231, 232, 233, 234‧‧ ‧ sub-key ring

1312, 1323, 1332, 1342‧‧‧ prompt device

2312, 2322, 2332, 2342‧‧‧ reminder device

112, 212‧‧‧ display devices

114, 214‧‧‧ processor

116, 216‧‧ interface

118, 218‧‧‧ memory

120, 220‧‧‧Power supply module

222‧‧‧ Identification device

1161, 1162, 1163, 1164‧‧‧ nodes

2161, 2162, 2163, 2164‧‧‧ nodes

30‧‧‧Electronic label

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a block diagram showing a key identification device in accordance with the teachings of the present invention.

Figure 2 is a block diagram showing another embodiment of a key identification device in accordance with the teachings of the present invention.

Figure 3 is a schematic diagram showing the steps of a process for setting a key identification device according to the technology disclosed in the present invention.

Figure 4 is a schematic diagram showing the steps of the key identification system for performing key identification according to the technology disclosed in the present invention.

Figure 5 is a schematic diagram of a key identification system corresponding to Figure 4 in accordance with the teachings of the present invention.

Figure 6 is a schematic diagram showing the steps of another embodiment of the key identification system key identification in accordance with the techniques disclosed herein.

Figure 7 is a schematic illustration of a key identification system corresponding to Figure 6 in accordance with the teachings of the present invention.

Please refer to Figure 1 first. Figure 1 is a block diagram showing the key identification device. In FIG. 1 , the key identification device 1 includes a female key ring 11 and a sub-key ring group 13 , wherein the female key ring 11 is electrically connected to the sub-key ring group 13 , and the sub-key ring group 13 has a plurality of sub-key rings 131 , 132 . 133, 134, and each of the sub-key rings 131, 132, 133, 134 can be installed with a key. Each of the sub-key rings 131, 132, 133, and 134 has a prompting device 1312, 1323, 1332, 1342, and the prompting devices 1312, 1323, 1332, 1342 can be a light bulb, a buzzer, or a vibration device, and the human body can be used. Feel the way to signal the user. The female key ring 11 includes a display device 112, a processor 114, an interface 116, and a memory 118. The interface 116 has a plurality of nodes 1161, 1162, 1163, and 1164, so the mother key ring 11 is a transmission interface. Each of the nodes 1161, 1162, 1163, 1164 of the 116 is electrically coupled to each of the sub-key rings 131, 132, 133, 134. The memory 118 is configured to store a plurality of latch device identification codes, a plurality of key identifiers, and a plurality of key information. The latch device identifier corresponds to a key identifier and a key information. The way of encoding is a unique encoding. The processor 114 determines the key identification code of each of the sub-key rings 131, 132, 133, 134 corresponding to each of the latch device identification codes according to a preset comparison table in the memory 118. The display device 112 is configured to display display information of the key identification code of each of the sub-key rings 131, 132, 133, 134, wherein the display device 112 can display text or a graphic to inform the user of one of the sub-key rings 131, 132. , 133, 134 key identification code display information.

Next, please refer to FIG. 2, which is a functional block diagram showing another embodiment of the key recognition device. In FIG. 2, the key recognition device 2 includes a female key ring 21 and a sub-key ring group 23, wherein the female key ring 21 is electrically connected to the plurality of sub-key rings 231, 232, 233, 234 of the sub-key ring group 23. Each of the sub-key rings 231, 232, 233, and 234 has prompting devices 2312, 2322, 2332, 2342. The female key ring 21 includes a display device 212, a processor 214, an interface 216, a memory 218, and an identification device 222. In the present embodiment, the functions of the display device 212, the processor 214, the interface 216, the nodes 2161, 2162, 2163, 2164 and the memory 218 are the same as in the previous embodiment, and are not described here. The difference from the previous embodiment is that in the present embodiment, the female key ring 21 further includes an identification device 222 for sensing or scanning the latch device identification code and reading the latch device (not shown) The electronic tag, wherein the identification device 222 is a radio frequency identification device (RFID) or a bar code scanning device, and the bar code scanning device can be a two-dimensional bar code scanning or a quick response matrix code (QR code, quick response code). . The key identification devices 1 and 2 of Figures 1 and 2 further include power supply modules 120, 220, such as battery modules or external A power supply module for providing power required for operation of the key identification devices 1, 2.

Please refer to FIG. 3, which is a schematic diagram showing the steps of the process of setting the key identification device according to the present invention. In FIG. 3, in step 32, the key ring of the key identification device is first connected to the computer, and the connection method can be achieved by wired or wireless means. In this embodiment, the wired connection mode can be utilized. USB is used for transmission connection, and the wireless method can be Bluetooth transmission connection. Then, in step 34, the wireless radio frequency identification writing function is used, or after the computer is connected with the USB transmission, each key information corresponding to each sub-key ring is separately written by directly inputting and changing the text file. In the memory, for example, a preset comparison table for displaying information, a key identification code, and a latch device identification code is listed in Table 1. In the present invention, the encoding step of each sub-key ring identification code is achieved by using the voltage level of each circuit in the control circuit, that is, the difference between the high and low voltages received by the processor is used to determine whether the circuit is 0 or 1 In this case, a short circuit or other voltage change can be caused by the sub-key ring to achieve a unique coding method. In the last step 36, the setting step of the mother key ring is completed and the computer is disconnected.

Next, please refer to FIG. 4, which is a schematic diagram showing the steps of the process of the key identification system. In FIG. 4, in step 42, changing one of the plurality of sub-key rings The voltage signal value causes the electrical connection between the processor and other untouched sub-rings to be interrupted. In addition, in step 42, the means for changing the voltage signal value of one of the plurality of sub-key rings may also be an electrical connection between the processor and other untouched sub-key rings. Connection; therefore, simply speaking, in step 42, as long as the coil between the processor and the sub-key ring is maintained, when the voltage signal value of one of the plurality of sub-key rings is changed, there is still partial power-on. In this case, the processor can be operated. Next, in step 44, the processor of the female key ring reads the key identification code of the sub-key ring that is pressed or touched. In step 46, the display device on the female key ring displays the key information corresponding to the pressed or touched sub-key ring.

Therefore, according to the above description, how the user directly knows the key information of the key can be obtained by the user through the sub-key ring. In the embodiment of the present invention, when the user presses or touches one of the sub-key rings 134, the processor (not shown) receives the difference between the high and low voltages to determine whether the circuit is 0 or 1. The electrical interrupt between the processor in the female key ring 11 and the other sub-key rings 131, 132, 133 is electrically disconnected, and the pressed sub-key ring 134 is electrically coupled to the processor of the female key ring 11, The processor can only read the voltage value change of the sub-key ring 134, as indicated by the arrow in FIG. 5, and obtain its circuit code (key identification code) as "0011". In another embodiment, when the user presses or touches one of the sub-key rings 134, the processor also receives the difference between the high and low voltages to determine whether the circuit is 0 or 1, through the sub-key ring 134. The voltage value changes, so that the processor can only read the voltage value of the sub-key ring 134, and obtain the circuit code (key identification code) of "0011"; and then pass through the memory (not shown in the figure). The preset comparison table is used to find the display information corresponding to the circuit code (key identification code) of "0011": "gate"; finally, the display device 112 of the mother key ring 11 displays the child The key ring 134 is a "gate" to remind the user that the key installed on the handle key ring 134 can open the door.

In another embodiment of the present invention, when the user presses or touches one of the sub-key rings 134, the circuit is judged to be 0 by the difference between the high and low voltages received by the processor (not shown). Or 1, at this time, only the sub-key ring 134 and the processor of the female key ring 11 that are pressed or touched are changed from the electrically coupled state to the blocked state, so that the voltage is weak or absent. The processor of the female key ring 11 is electrically coupled (ie, kept energized) to the other sub-key rings 131, 132, and 133 that are not pressed. At this time, the sub-key rings 131, 132, and 133 that are not pressed are pressed. The sub-key ring 134 causes a difference in voltage level, which can also change the voltage value of the sub-key ring 134, so that the processor can only read the voltage value of the sub-key ring 134, so the difference in voltage value can also be utilized. To obtain the key information of the sub-key ring 134 that is pressed or touched.

Next, please refer to FIG. 6. FIG. 6 is a schematic diagram showing the steps of the process of the key identification system. In step 52, the identification device of the female key ring is used to read the electronic tag of the latch device to obtain a corresponding latch device identification code. In step 54, the processor of the female key ring finds the key identification code corresponding to the latch device identification code in the memory. In step 56, the mother key ring sends a signal to the sub-key ring corresponding to the key identification code. Step 58: Send a prompt signal to the prompting device of one of the plurality of sub-key rings to remind or inform the user that the key mounted on the sub-key ring is the key corresponding to the latching device.

Therefore, according to the above description, how the user knows the corresponding key by reading the electronic tag of the latch device will be described with reference to FIG. In this embodiment, the user uses the identification device in the female key ring 21 to sense the electronic tag 30 on the latch device. After the sensing, the female key ring 21 can obtain the latch device identification code corresponding to the latch device. Then the processor is installed according to this latch Set the identification code and find the corresponding key identification code based on the preset comparison table in the memory. The processor will send a message to the sub-key ring 234 corresponding to the key identification code (in the direction indicated by the arrow in the figure). Then, after one of the plurality of sub-key rings 231, 232, 233, 234 receives the message, the user is prompted on the prompting device (not shown), one of which is to flash The manner of the light is displayed to inform the user that the key mounted on the sub-key ring 234 is the key corresponding to the latching device, so that the user does not need to open one by one when having multiple keys. It is also a waste of time to check whether the key of the latching device is used. Only after the female keyring 21 senses the electronic tag 30 on the latching device, the key to be used by the user can be quickly found. In addition, the prompting method includes using a buzzer to make a sound, or using a vibration method, or simultaneously emitting a flashing light and a buzzer sound, or a flashing light to indicate vibration, or vibrating The mode and the sounding of the buzzer can make the user know that the key on the sub-key ring 234 is the key corresponding to the latching device.

It should be noted that the identification methods of the key identification devices 1, 2, the reading nodes 1161, 1162, 1163, 1164, 2161, 2162, 2163, 2164 include utilizing the change of the voltage value, so the N lines can generate 2 ^N - 1 combination, can be matched with 2 ^N -1 handle key ring; therefore, in the embodiment of the invention, the voltage value can be set to 1 at a voltage greater than 1.8 volts, and the voltage value is set at a voltage less than 1.8 volts. However, the voltage value is not limited to this threshold, and because N lines can generate 2 ^N -1 combinations, assuming that 3 pins can support 7 sub-key rings, at least Table 2 Several combinations of columns:

Therefore, the key identification device 1, 2 disclosed in the present invention not only allows the user to quickly find the key corresponding to the latch device, but also has better expandability.

It should be noted that the key identification device 1 and 2 disclosed in the present invention allow the user to find the key mounted on the corresponding sub-key ring 13 and 23 by using an electronic tag on the scanning latch device, such as a gate. Or pressing any one of the plurality of sub-key rings 131, 132, 133, 134, 231, 232, 233, 234 to know that the key mounted on the sub-key ring can open the door or open the door. The key of the car; although the theft prevention is not the main technical content of the present invention, in order to prevent the thief from using the convenience of the key identification device to perform illegal activities, the anti-theft mechanism of the key identification device 1, 2 disclosed in the present invention One of the embodiments includes continuously pressing a plurality of sub-key rings of the plurality of sub-key rings, such as the fifth and sixth, for a predetermined period of time, for example, 3 seconds or 5 seconds or a user-defined time. The key identification device 1, 2 can be solved by pressing the sixth (ie, the sixth sub-key ring is repeatedly pressed). In addition, if the aforementioned action reaches a certain preset number of pressing times, for example, three times by mistake, the operation functions of the key recognition devices 1, 2 are locked, and the display of the key ring rings 11, 21 of the key recognition devices 1, 2 There is no display or prompt message on the prompting devices 1312, 1322, 1332, 1342, 2312, 2322, 2332, 2342 of the device 112 and the sub-key rings 13, 23; thereby, the key ring can be placed in the key ring When the disciples are on hand, they do not provide the correct key to unlock the key in a bunch of keys for the person concerned, in order to reach the time to delay the entry of the interested person. In addition, since the operation functions of the key recognition devices 1, 2 have been locked, if the lock function is to be released, the key identification devices 1, 2 must be connected to a computer or a specific radio frequency device, The key recognition devices 1, 2 perform the unlock function and can be used again after resetting them.

2‧‧‧Key identification device

21‧‧‧Female key ring

23‧‧‧Subkey ring set

231, 232, 233, 234‧ ‧ sub-key ring

2312, 2322, 2332, 2342‧‧‧ reminder device

212‧‧‧ display device

214‧‧‧ processor

216‧‧" interface

218‧‧‧ memory

220‧‧‧Power supply module

222‧‧‧ Identification device

2161, 2162, 2163, 2164‧‧‧ nodes

Claims (10)

A key identification device includes: a plurality of sub-key rings; and a female key ring having a plurality of nodes, each of the nodes being electrically coupled to each of the sub-key rings, the female key ring comprising: a memory for Storing a preset comparison table having a plurality of latch device identification codes, a plurality of key identification codes, and a plurality of display information, wherein each of the latch device identification codes corresponds to each of the key identification codes and each of the display information; a processor, determining, according to the preset comparison table, the key identification code or each of the display information of each of the sub-key rings corresponding to each of the latching device identification codes; and a display device for displaying The display information of the key identification code of each of the sub-key rings. The key identification device of claim 1, wherein the key identification device further comprises a power supply module. The key identification device of claim 1, wherein the female key ring further comprises an identification device. The key identification device of claim 3, wherein the identification device is a radio frequency device (RFID) or a bar code. The key identification device of claim 1, wherein each of the sub-key rings includes a prompting device for emitting a prompt signal. A key identification system comprising: at least one sub-key ring, the sub-key ring transmitting a corresponding one of a voltage value change signal; a female key ring is electrically coupled to the at least one sub-key ring, the female key ring includes: a memory for storing a plurality of latch device identification codes, a plurality of key identification codes, and a plurality of display information a preset comparison table; a processor, the processor receiving the voltage value change signal, and determining, according to the preset comparison table stored in the memory, the sub-key ring corresponding to the voltage value change signal a key identification code; and a display device for displaying the display information of the key identification code of the sub-key ring having the voltage value change signal. The key identification system of claim 6, wherein the voltage value change signal is achieved by pressing or touching the sub-key ring. A key identification system comprising: a plurality of sub-key rings, each of the sub-key rings having a prompting device; and a female key ring electrically coupled to each of the sub-key rings, and the female key ring The method includes: a memory for storing a preset comparison table having a plurality of latch device identification codes, a plurality of key identification codes, and a plurality of display information; and an identification device for reading one of the latch devices An electronic tag; and a processor receiving the electronic tag of the latch device transmitted by the identification device to obtain a corresponding latch device identification code according to the preset comparison table stored in the memory Determining the key identification code of the sub-key ring corresponding to the latch device identification code, and transmitting a signal to one of the sub-key rings, so that the prompting device of the sub-key ring issues Signal number. The key identification system of claim 8, wherein the female key ring and each of the sub-key rings are further electrically connected by the interface having a plurality of nodes. The key identification system of claim 8, wherein the identification device is a radio frequency device (RFID) or a bar code.