CN113408493B - Key ring identity recognition method - Google Patents
Key ring identity recognition method Download PDFInfo
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- CN113408493B CN113408493B CN202110851368.9A CN202110851368A CN113408493B CN 113408493 B CN113408493 B CN 113408493B CN 202110851368 A CN202110851368 A CN 202110851368A CN 113408493 B CN113408493 B CN 113408493B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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Abstract
The invention discloses a key ring identity recognition method, which comprises the following steps of using a key connection structure comprising a PCB (printed circuit board), a base and a key ring, wherein the identity recognition process comprises the following specific steps: step 1: unique key ID information is implanted into a PCB chip of the key ring, and vehicle ID information matched with the key ID information stored in the key ring is implanted into a vehicle; and 2, step: the intelligent screen issues an instruction for reading key ID information in a key ring in the specified slot, after unique key ID information stored in a PCB chip arranged in the PCB chip in the key ring is read, the key ID information is returned to the intelligent screen through an RS485 protocol, and then the key ID information in the slot is compared with a key tag ID of a bound vehicle in a database arranged in the intelligent screen for identification. In actual use, a user can automatically identify the key after returning the key, and the key is automatically locked after the key is successfully identified, so that the key is convenient for workers to manage.
Description
Technical Field
The invention relates to the technical field of key management, in particular to a key ring identity recognition method.
Background
With the development of social economy, people have more and more demands on motor vehicles, and particularly in large cities with developed economy, the number of vehicles is increased sharply.
In the electric automobile leasing mode, the management of an electric automobile key relates to the convenience of using a leasing automobile by a user, the safety of the electric automobile is a crucial link in the electric automobile leasing process, the key is generally directly placed in a key management cabinet in actual use, and the user opens a cabinet for taking when needing to use; however, in the key cabinet in the prior art, the key is directly placed in the cabinet after the key is returned, and whether the returned key is correct or not needs to be verified manually, so that the purpose of automatic identification cannot be realized, and the management of workers is inconvenient.
Disclosure of Invention
The invention aims to provide a key ring identity recognition method, which can automatically recognize a key after a user returns the key in actual use, automatically lock the key after the key is successfully recognized, and is convenient for workers to manage.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a key ring identity recognition method comprises the following steps that a key connection structure is used, the key connection structure comprises a PCB, a base and a key ring, the base is of an L-shaped structure and is installed on the PCB, a slot is formed in the base, a locking notch is formed in the side face of the base, and the locking notch is communicated with the slot;
the electromagnetic lock is fixedly arranged on the base, and a locking end of the electromagnetic lock can penetrate through the locking port and then extend into the slot;
the end part of the key ring is embedded with a PCB chip, the key ring is also provided with a locking groove, after the key ring is inserted into the slot, the locking end of the electromagnetic lock passes through the locking notch and extends to the locking groove on the key ring to lock the key ring; the key ring is characterized in that a plurality of ejector pins are arranged at the bottom of the slot, the ejector pins are telescopic ejector pins and are used for ejecting the key ring after the key ring is in a contact locking state, the ejector pins can be electrically connected with a PCB chip on the key ring, the ejector pins are arranged on a PCB, the PCB is connected with a smart screen, and a database is arranged in the smart screen;
the specific process of identity recognition is as follows:
step 1: unique key ID information is implanted into a PCB chip of the key ring, and vehicle ID information matched with the key ID information stored in the key ring is implanted into a vehicle;
and 2, step: the intelligent screen issues an instruction for reading key ID information in the key buckle in the specified slot, the key ID information is returned to the intelligent screen through an RS485 protocol after unique key ID information stored in a PCB chip built in the PCB chip in the key buckle is read, and then the key ID information in the slot and a key tag ID of a bound vehicle in a built-in database in the intelligent screen are compared and identified.
In step 2, the intelligent screen issues an instruction for reading the key ID information in the key buckle in the specified slot through an RS485 protocol.
The electromagnetic lock comprises a lock body, an electromagnetic coil assembly fixedly arranged on the lock body, a pressing plate which is positioned at the end part of the electromagnetic coil assembly and is fixedly arranged on the lock body, a guide positioning plate which is arranged on the lock body in a sliding manner, an electromagnetic iron core which is arranged at one side of the guide positioning plate and the end part of which extends into the electromagnetic coil assembly, a spring bolt assembly connected to the other side of the guide positioning plate, and a reset spring which is sleeved on the electromagnetic iron core, wherein one end of the reset spring is in contact with the guide positioning plate, the other end of the reset spring is in contact with the pressing plate, and the spring bolt assembly forms the locking end.
Further inject, the spring bolt subassembly includes support, round pin axle and gyro wheel, and the support is U type support, and in the U type support extended into the slot, the gyro wheel rotated through the round pin axle and installs on U type support, is provided with the direction inclined plane towards key ring plug-in direction one side on the U type support, U type support constitutes the spring bolt with closure groove complex.
The lock body is provided with a sliding groove, the two sides of the guide positioning plate are provided with bulges corresponding to the sliding groove, and the guide positioning plate is slidably arranged on the lock body through the bulges and the sliding groove.
Further optimize, the base is provided with signal indicator, and the signal lamp is connected with the PCB board.
Compared with the prior art, the invention has the following beneficial effects:
the method is mainly used for realizing the identification of the returned key, is convenient for the management of workers, and automatically locks the key after the identity information of the key is successfully verified; in actual use, a PCB chip is arranged in the key ring, the key ID information is arranged in the PCB chip, the vehicle ID information matched with the key ID information is arranged in the vehicle, and a user can start the vehicle by using the key after taking the key; after a user returns a key, the ejector pin on the PCB is in electric shock contact with metal on the PCB chip, at the moment, an instruction is sent out on the intelligent screen to obtain key ID information stored in the PCB chip in the key buckle, the information is returned to the intelligent screen, and then the key ID information in the slot is compared with a key tag ID of a bound vehicle in a built-in database in the intelligent screen for identification; if the identification is successful, the electromagnetic lock keeps a locking state at the moment, and the key is locked; if the recognition fails, the electromagnetic lock is opened again, the key ring is ejected out under the action of the ejector pin, and the worker can be informed to process the key ring in time after the key is ejected out; the staff of being convenient for manages the key ring.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of a key connection structure lug of the present invention.
Fig. 2 is a cross-sectional view of fig. 1 of the present invention.
Fig. 3 isbase:Sub>A cross-sectional view taken along planebase:Sub>A-base:Sub>A of fig. 2 in accordance with the present invention.
Fig. 4 is a schematic diagram of the overall structure of the electromagnetic lock of the present invention.
Fig. 5 is a schematic view of the key ring of the present invention.
Reference numerals:
101-PCB, 102-base, 103-slot, 104-locking notch, 105-electromagnetic lock, 106-key ring, 107-PCB chip, 108-locking groove, 109-thimble, 110-decorative cover plate, 111-buckle, 112-lock body, 113-electromagnetic coil component, 114-pressure plate, 115-guiding positioning plate, 116-electromagnetic iron core, 117-bolt component, 118-return spring, 119-bracket, 120-pin shaft, 121-roller, 122-guiding inclined plane, 123-sliding groove, 124-bulge, 125-signal indicator lamp.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the invention. To simplify the disclosure of embodiments of the invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example one
Referring to fig. 1-5, the embodiment discloses a key ring identification method, which includes using a key connection structure including a PCB 101, a base 102 and a key ring 106, where the base 102 is in an L-shaped structure and is mounted on the PCB 101, the base 102 is provided with a slot 103, the side of the base 102 is provided with a locking notch 104, and the locking notch 104 is communicated with the slot 103;
the electromagnetic lock 105 is fixedly installed on the base 102, and a locking end of the electromagnetic lock 105 can extend into the slot 103 after passing through the locking notch 104;
a PCB chip 107 is embedded at the end part of the key ring 106, a locking groove 108 is also formed in the key ring 106, after the key ring 106 is inserted into the slot, the locking end of the electromagnetic lock 105 penetrates through the locking notch 104 and extends to the locking groove 108 in the key ring 106, and then the key ring 106 is locked; the bottom of the slot 103 is provided with a plurality of ejector pins 109, the ejector pins 109 are telescopic ejector pins, the ejector pins 109 are used for ejecting the key ring 106 after the key ring 106 is in a contact locking state, the ejector pins 109 can be electrically connected with a PCB chip 107 on the key ring 106, the ejector pins 109 are arranged on the PCB 101, the PCB 101 is connected with a smart screen, and a database is arranged in the smart screen;
the specific process of identity recognition is as follows:
step 1: unique key ID information is implanted into a PCB chip 107 of the key ring 106, and vehicle ID information matched with the key ID information stored in the key ring 106 is implanted into a vehicle;
step 2: the intelligent screen issues an instruction for reading the key ID information in the key ring 106 in the specified slot 103, returns the key ID information to the intelligent screen through an RS485 protocol after reading the unique key ID information stored in the PCB chip 107 built in the PCB chip 107 in the key ring 106, and then compares the key ID information in the slot 103 with the key tag ID of the bound vehicle in the built-in database in the intelligent screen for identification.
The method is mainly used for realizing the identification of the returned key (key ring) 106, is convenient for the management of workers, and automatically locks the key after the identity information of the key is successfully verified; in practical use, a PCB chip 107 is arranged in the key ring 106, the key ID information is arranged in the PCB chip 107, the vehicle ID information matched with the key ID information is arranged in the vehicle, and a user can start the vehicle by using the key after taking the key; after the user returns the key, the thimble 109 on the PCB 101 is in electric contact with the metal on the PCB chip 107, at the moment, an instruction is sent out on the intelligent screen to obtain the key ID information stored in the PCB chip 107 in the key ring 106, the information is returned to the intelligent screen, and then the key ID information in the slot 103 and the key label ID of the bound vehicle in the built-in database in the intelligent screen are compared and identified; if the identification is successful, the electromagnetic lock 105 keeps a locking state at the moment, and the key is locked; if the recognition fails, the electromagnetic lock 105 is opened again, the key ring 106 is ejected out under the action of the ejector pin 109, and the worker can be informed to process the key ring in time after the key is ejected out; facilitating the management of the key fob 106 by the personnel.
To facilitate a further understanding of the present invention by those skilled in the art, the following further illustrates the method of use of the key connection structure:
in practical use, as the slot 103 and the locking notch 104 are arranged on the base 102, after the key ring 106 is directly inserted into the slot 103, the locking end on the electromagnetic lock 105 directly penetrates through the locking notch 104 and extends into the slot 103, the locking end is inserted into the locking groove 108 on the key ring 106, and the key ring 106 is fixedly locked, so that the key ring 106 is fixed;
after the key ring 106 is fixed in the slot 103, the thimble 109 is compressed and then directly acts on the PCB chip, the metal contact on the PCB chip is electrically connected with the thimble 109, and after the contact, the transmission of signals can be realized through the thimble 109, and the information in the key ring 106 can be read; meanwhile, when a key is taken, the locking end is disengaged from the locking groove 108 on the key ring 106 and then the key ring 106 is ejected out of the slot 103 under the action of the ejector pin 109, so that a user can take the key ring 106 conveniently;
the mode that adopts the direct locking key deposits the key, and the key is deposited in the key management cabinet of same volume quantity more, and it is more convenient to get the key that returns.
Further, in practical use, the key ring 106 can be locked and fixed, and meanwhile, the inserted key ring 106 can be identified, the key ring 106 can be locked and fixed only after matching, and the key can be ejected out after identification error, so that corresponding staff can be informed to process the key.
In the use of reality, the wisdom screen still is connected with the speaker, if appear the key information mismatch after returning the key, the speaker can in time send out suggestion pronunciation.
In this embodiment, in step 2, the smart screen issues an instruction to read the key ID information in the key ring 106 in the designated slot 103 through RS485 protocol.
The electromagnetic lock 105 includes a lock body 112, an electromagnetic coil assembly 113 fixedly mounted on the lock body 112, a pressure plate 114 located at an end of the electromagnetic coil assembly 113 and fixedly mounted on the lock body 112, a guiding positioning plate 115 slidably disposed on the lock body 112, an electromagnetic core 116 disposed at one side of the guiding positioning plate 115 and having an end extending into the electromagnetic coil assembly 113, a latch bolt assembly 117 connected to the other side of the guiding positioning plate 115, and a return spring 118 disposed on the electromagnetic core 116, wherein one end of the return spring 118 contacts with the guiding positioning plate 115, the other end contacts with the pressure plate 114, and the latch bolt assembly 117 forms the locking end.
After a user inserts the key ring 106 into the slot 103, the key ring 106 pushes the locking end to move, so that the locking end is inserted into the locking groove 108 to realize locking and fixing of the key ring 106, when the key ring 106 is taken, after the electromagnetic coil assembly 113 is electrified, the electromagnetic iron core 116 moves towards the electromagnetic coil assembly 113 under the action of the electromagnetic coil assembly 113, at the moment, the reset spring 118 is compressed, the bolt assembly 117 moves and then is disengaged from the locking groove 108, and the thimble 109 can eject the key ring 106; after the key fob 106 is removed and the solenoid assembly 113 is de-energized, the solenoid 116 is reset by the return spring 118.
Preferably, in this embodiment, the latch bolt assembly 117 includes a bracket 119, a pin 120, and a roller 121, the bracket 119 is a U-shaped bracket 119, the U-shaped bracket 119 extends into the slot 103, the roller 121 is rotatably mounted on the U-shaped bracket 119 by the pin 120, a guiding inclined plane 122 is disposed on one side of the U-shaped bracket 119 facing the insertion direction of the key buckle 106, and the U-shaped bracket 119 forms a latch bolt cooperating with the locking slot 108.
Can be through the direction inclined plane 122 that sets up at key ring 106 with U type support 119 contact back, under the effect on direction inclined plane 122, U type support 119 removes and makes direction locating plate 115 compression reset spring 118, then makes key ring 106 and gyro wheel 121 contact, changes sliding friction into rolling friction, reduces frictional force.
The lock body 112 is provided with a sliding groove 123, two sides of the guiding and positioning plate 115 are provided with protrusions 124 corresponding to the sliding groove 123, and the guiding and positioning plate 115 is slidably mounted on the lock body 112 through the protrusions 124 and the sliding groove 123. The guide positioning plate 115 can be more stable when moving due to the arrangement of the sliding slot 123 and the protrusion 124.
Further preferably, the base 102 is provided with a signal indicator 125, and the signal indicator is connected with the PCB board 101; thus, when the key is taken, the signal indicator lamp 125 can be turned on to guide the key ring 106 to be taken and placed.
In actual use, the key ring 106 can be stored, and a user can conveniently fetch and return the key ring 106 according to actual requirements; meanwhile, the key ring 106 can be identified when the user returns the key ring 106, whether the key is accurately returned or not is confirmed, and the worker can manage the key ring 106 conveniently.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the invention.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, it should be noted that any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A key ring identity recognition method is characterized in that: the key connection structure comprises a PCB, a base and a key ring, wherein the base is in an L-shaped structure and is arranged on the PCB, a slot is formed in the base, a locking notch is formed in the side surface of the base, and the locking notch is communicated with the slot;
the electromagnetic lock is fixedly arranged on the base, and the locking end of the electromagnetic lock can extend into the slot after penetrating through the locking port;
the end part of the key ring is embedded with a PCB chip, the key ring is also provided with a locking groove, after the key ring is inserted into the slot, the locking end of the electromagnetic lock passes through the locking notch and extends to the locking groove on the key ring to lock the key ring; the key ring is arranged in the key ring groove, the bottom of the key ring groove is provided with a plurality of ejector pins, the ejector pins are telescopic ejector pins, the ejector pins are used for ejecting the key ring after the key ring is in a contact locking state, the ejector pins can be electrically connected with a PCB chip on the key ring, the ejector pins are arranged on a PCB, the PCB is connected with a smart screen, and a database is arranged in the smart screen;
the specific process of identity recognition is as follows:
step 1: unique key ID information is implanted into a PCB chip of the key ring, and vehicle ID information matched with the key ID information stored in the key ring is implanted into a vehicle;
and 2, step: the intelligent screen issues an instruction for reading key ID information in the key buckle in the specified slot, the key ID information is returned to the intelligent screen through an RS485 protocol after unique key ID information stored in a PCB chip built in the PCB chip in the key buckle is read, and then the key ID information in the slot and a key tag ID of a bound vehicle in a built-in database in the intelligent screen are compared and identified.
2. The key ring identification method of claim 1, wherein: in step 2, the intelligent screen issues an instruction for reading the key ID information in the key buckle in the specified slot through an RS485 protocol.
3. The key ring identification method of claim 1, wherein: the electromagnetic lock comprises a lock body, an electromagnetic coil assembly fixedly arranged on the lock body, a pressing plate arranged at the end part of the electromagnetic coil assembly and fixedly arranged on the lock body, a guide positioning plate arranged on the lock body in a sliding manner, an electromagnetic iron core arranged on one side of the guide positioning plate and the end part of the guide positioning plate extend into the electromagnetic coil assembly, and a spring bolt assembly arranged on the other side of the guide positioning plate, as well as a reset spring sleeved on the electromagnetic iron core, wherein one end of the reset spring is in contact with the guide positioning plate, the other end of the reset spring is in contact with the pressing plate, and the spring bolt assembly is formed in a locking end.
4. The key ring identification method of claim 3, wherein: the spring bolt subassembly includes support, round pin axle and gyro wheel, and the support is U type support, and in the U type support extended into the slot, the gyro wheel rotated through the round pin axle and installed on U type support, is provided with the direction inclined plane towards key ring direction of insertion one side on the U type support, the U type support constitutes the spring bolt with closure groove complex.
5. The key ring identification method of claim 4, wherein: the lock body is provided with a sliding groove, the two sides of the guide positioning plate are provided with bulges corresponding to the sliding groove, and the guide positioning plate is slidably arranged on the lock body through the bulges and the sliding groove.
6. The key ring identification method of any of claims 1-5, wherein: the base is provided with a signal indicator light, and the signal light is connected with the PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110851368.9A CN113408493B (en) | 2021-07-27 | 2021-07-27 | Key ring identity recognition method |
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| CN202110851368.9A CN113408493B (en) | 2021-07-27 | 2021-07-27 | Key ring identity recognition method |
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| CN113408493B true CN113408493B (en) | 2022-10-11 |
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| CN113408493A (en) | 2021-09-17 |
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