CN209761035U - Door lock with control bolt and RFID module - Google Patents
Door lock with control bolt and RFID module Download PDFInfo
- Publication number
- CN209761035U CN209761035U CN201920182343.2U CN201920182343U CN209761035U CN 209761035 U CN209761035 U CN 209761035U CN 201920182343 U CN201920182343 U CN 201920182343U CN 209761035 U CN209761035 U CN 209761035U
- Authority
- CN
- China
- Prior art keywords
- control
- bolt
- rfid
- key
- lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model discloses a lock with control bolt and RFID module, key, control panel, battery case, battery cover, electric quantity detection module, low-power warning light, lock body, lock core, procapsid and back casing including control bolt, miniature step motor, RFID card reader, built-in RFID label. The control bolt is controlled by a micro stepping motor and is inserted into or moved out of a bolt groove of the inner lock cylinder, so that the arming and disarming are realized. When in defense deployment, the control bolt locks the inner lock cylinder, so that a key cannot twist the inner lock cylinder to unlock; when the disarming is performed, the control bolt moves out of the inner lock cylinder, and the key can rotate the inner lock cylinder to unlock. The RFID card reader is used for reading the key information in the RFID label and inputting the key information into the control board for matching judgment; after the key is matched, the control board controls the micro stepping motor to move the control bolt out of the bolt slot of the inner lock cylinder for disarming. The utility model discloses improved tool to lock security and reliability by a wide margin in compatible traditional key mode of opening the door, made the tool to lock be difficult to the technique to explain, the cost is lower simultaneously, easy to install and maintain.
Description
Technical Field
The utility model relates to a lock field especially relates to a lock with control bolt and RFID module.
Background
The door lock comprises a mechanical door lock and an intelligent lock. The lock core of the traditional mechanical door lock is divided into different levels such as A level, B level, super B level, C level and the like according to the safety degree from low to high, the lower level is easy to crack by the technology, the high level safety is improved, but the cost is higher, and the difficulty of cracking by the technology is far lower than that of unlocking modes such as an electronic digital key and the like. The intelligent lock is an improved lock on the basis of the traditional mechanical lock, and is more intelligent in the aspects of user identification, safety, manageability and the like.
Disclosure of Invention
In order to solve the problem, the safety of the door lock is improved, the utility model provides a door lock with control bolt and RFID module. The specific technical scheme is as follows:
A door lock with a control bolt and an RFID module comprises the control bolt, a micro stepping motor, the RFID module, a control panel, a battery box, a battery cover, an electric quantity detection module, a low-electric-quantity prompt lamp, a lock body, a lock cylinder, a front shell and a rear shell.
As shown in fig. 1, the control bolt is a section of metal rod, one end of which is inserted into a hole fixed on the support arm of the front housing substrate, and the other end of which is inserted into the bolt slot of the lock cylinder. The lock core comprises a lock cylinder and an inner lock core, the inner lock core is a part which can be rotated by inserting a key, and an outer shell is called the lock cylinder. The bolt groove is a cylindrical opening penetrating through the lock cylinder and penetrating into the inner lock cylinder. The control bolt is limited by the holes at the two ends and can only move along the axial direction. The micro stepping motor is provided with a screw rod and fixed on a substrate of the front shell, the middle part of the control bolt is fixedly arranged on a screw rod sliding block, and the micro stepping motor rotates to drive the screw rod to rotate so as to enable the sliding block to move along the direction of a motor shaft, so that the control bolt is driven to move. When the door needs to be unlocked or locked, if the RFID card reader detects that the key is inserted or pulled out, the control circuit outputs a pulse signal to the motor to control the rotation angle of the motor, so that the control bolt is accurately inserted into or moved out of the bolt slot of the inner lock cylinder, and defense deployment and withdrawal are realized. The defense deployment state is that the control bolt is inserted into the inner lock cylinder, and at the moment, the key cannot rotate the inner lock cylinder and cannot unlock; the disarming state is that the control bolt moves out of the inner lock cylinder, and the key can rotate the inner lock cylinder to unlock.
The RFID (Radio Frequency Identification) module comprises an RFID card reader and an RFID key, wherein an RFID label is arranged in the RFID key and used for storing a digital key, the RFID card reader is arranged on a front panel of the front shell and close to the lock cylinder, and when the RFID label is close to the RFID card reader, the RFID card reader is communicated with the RFID key, reads the digital key and inputs the digital key to an MCU (micro control Unit) on a control panel for judgment. The MCU realizes the door lock control function according to the set program. And the MCU performs matching judgment on the digital key and outputs a corresponding control instruction to control the working state of the micro stepping motor according to a judgment result. When the secret key is correctly matched, the MCU outputs an instruction to control the motor to rotate forward by a certain angle so as to move the control bolt out of the inner lock cylinder for disarming; after the RFID key is pulled out, the MCU starts the motor to reversely rotate according to a preset time delay so that the control bolt is inserted into the inner lock cylinder for defense deployment. Through the mode of dual setups of mechanical lock core and RFID authentication, can obviously promote lock security and theftproof ability reduce the possibility that the lock is cracked by technique by a wide margin.
The control panel and each functional module are powered by a battery, and an electric quantity detection module and a low-electric-quantity prompt lamp are installed on the control panel. The electric quantity detection module calculates the residual electric quantity of the battery by detecting the voltage or the current of the control panel loop, and when the residual electric quantity is lower than a preset low-electric-quantity threshold value, the MCU outputs an instruction to control the low-electric-quantity prompting lamp to light or flash so as to prompt a user to replace the battery. The low-power prompting lamp is an LED and is arranged on a panel of the rear shell of the door lock. When the electric quantity detection module detects that the residual electric quantity is lower than a set dangerous electric quantity threshold value, the MCU outputs an instruction to directly control the miniature stepping motor to disarm; when the electric quantity recovers to be above the dangerous electric quantity threshold value, the MCU controls the motor to re-deploy the defense. Through this mode can prevent that the lock from leading to the fact the unable problem of being opened by the key to appear that withdraws garrison can't be done all can to the control bolt because of the electric quantity is not enough.
The battery is a lithium battery or a storage battery and is arranged in the battery box. The battery box is installed in the rear case of the door lock, and a battery cover is provided at a side of the rear case, and the battery can be conveniently loaded or unloaded by opening the battery cover without opening the rear case of the door lock.
Compared with the prior art, the beneficial effects of the utility model are that: the safety and the reliability of the lockset are greatly improved while the door opening mode of the traditional key is compatible, so that the lockset is difficult to technically crack, and the lockset is low in cost and easy to install and maintain.
Drawings
The present invention will be further explained with reference to the drawings and examples
Figure 1 is a schematic diagram of the left, front and right view structure of the utility model
Fig. 2 is an enlarged schematic view of the front view structure of the utility model
Figure 3 schematic diagram of main parts of the utility model
Figure 4 schematic diagram of structure principle of utility model
Figure 5 schematic diagram of the utility model in kind.
Detailed Description
The following description of the embodiments of the present invention is provided in connection with the accompanying drawings.
Fig. 1 is a small drawing with 3 figures from left to right, the left side small drawing is a left side view of the present invention, which is the internal structure of the front housing seen from the direction of the front housing; the middle small figure is the front view of the utility model, which is the structure seen from the door edge to the bolt direction; the right side small drawing is the right side view of the utility model, which is the internal structure of the rear shell seen from the direction of the rear shell. In order to express the structure of the present invention more clearly, fig. 1 depicts the internal structure of the present invention by regarding the front panel and the rear panel as transparent. In the figure, the solid lines represent the contour lines and the broken lines represent the perspective contour lines that are occluded.
the components in fig. 1 are respectively: the door body (1), the front shell (2), the rear shell (3), the lock body (4), the bolt (5), the lock cylinder (6), the lock cylinder (7), the inner lock cylinder (8), the counter lock handle (9), the lock cylinder thumb wheel (10), the battery (11), the RFID key (12), the RFID card reader (13), the micro stepping motor (14), the lead screw (15), the control bolt (16), the lead screw slider (17), the bolt groove (18), the support arm (19), the control panel (20), the electric quantity detection module (21), the low electric quantity warning light (22), the inner handle (23), the outer handle (24), the set screw (25), the substrate (26) and the battery cover (27).
As shown in fig. 1, the main components of the present invention include a control plug (16), a micro stepping motor (14), RFID modules (12) and (13), a control board (16), a battery (11), a battery box, a battery cover (27), a power detection module (21), a low power indicator (22), a lock body (4), a lock cylinder (6), a front case (2), and a rear case (3).
As shown in fig. 1, 2 and 3, the lock body is installed in the door body, and the front housing and the rear housing are fixed to the door body by bolts penetrating through the door panel and can only be opened from the rear housing in the door. The lock core is installed on the lock body through the front and rear shells. The front and rear shells comprise a substrate and a panel, the substrate is arranged on one side close to the door body, devices in the shells are installed and fixed on the substrate, and the panel is arranged on the outer side. The outer handle and the inner handle are arranged on the front shell and the rear shell through square cores and handle square core holes. The lock core includes a lock cylinder, an inner lock core, a lock core thumb wheel and a back locking handle, the inner lock core is a part which can be rotated by inserting a key, the outer shell is called the lock cylinder, the lock core thumb wheel is used for pushing out or retracting the lock tongue, and the back locking handle is used for locking and unlocking in a room.
The lock core is a lock core with a bolt groove, and the bolt groove is a cylindrical opening penetrating through the lock cylinder and penetrating into the inner lock core. The control bolt is a section of cylindrical metal rod, one end of the control bolt is inserted into a hole fixed on the supporting arm of the front shell base plate, the other end of the control bolt is inserted into a bolt groove of the lock cylinder, and the control bolt can only move axially under the limitation of holes at two ends. As shown in fig. 1 and 2, the support arm is a section of cylindrical metal rod, one end of the support arm is fixed on the base plate of the front shell by screws, the other side of the support arm is provided with a circular opening, and one end of the control bolt is inserted into the opening. Limited by the bore, the control bolt can only move axially within the bore. The supporting arm is used for supporting and limiting the moving direction of the control bolt. When the control bolt is inserted into the bolt slot of the inner lock cylinder, the inner lock cylinder cannot be rotated even if the key is matched, and the safety of the lock cylinder is additionally improved; when the control bolt moves out of the inner lock cylinder bolt groove, the key can rotate the inner lock cylinder, and the poking wheel is rotated to realize unlocking.
The utility model discloses a miniature step motor of double-phase four-wire realizes the mobility control that the control was tied. As shown in fig. 1, 2 and 3, the output shaft of the micro stepping motor is provided with an elongated screw rod, and the base is fixed on the substrate of the front housing through screws. The middle part of the control bolt is fixedly arranged on the screw rod sliding block, and the fixing mode comprises but is not limited to screw fixation, adhesion, welding, sleeving and the like. The internal thread of the screw rod sliding block is in threaded fit with the screw rod, and when the micro stepping motor rotates, the screw rod is driven to rotate, so that the screw rod sliding block moves along the direction of a motor shaft, and the control bolt is driven to move; when the screw rod is static, the sliding block and the control bolt stop moving. When a user is detected to unlock or lock the door, if the RFID card reader detects that the key is inserted or pulled out, the control circuit outputs a pulse signal to the micro stepping motor to control the rotation angle of the motor, so that the control bolt is accurately inserted into or moved out of the bolt slot of the inner lock cylinder, and defense deployment and withdrawal are realized. The defense deployment state is that the control bolt is inserted into the inner lock cylinder, and at the moment, the key cannot rotate the inner lock cylinder and cannot unlock; the disarming state is that the control bolt moves out of the inner lock cylinder, and the key can rotate the inner lock cylinder to unlock.
As shown in fig. 3, the RFID (Radio Frequency Identification) module includes an RFID card reader and an RFID key, the RFID key is internally provided with an RFID tag for storing a digital key, and the RFID card reader is installed on the front panel of the front housing and near the lock cylinder. When the RFID label approaches the RFID card reader, the RFID label enters a magnetic field near the RFID card reader, receives a radio frequency signal sent by the RFID card reader, and sends out the key information stored in the label chip by virtue of the energy obtained by the induced current. The RFID card reader is in wireless communication with the RFID key, reads digital key information and inputs the digital key information to the MCU on the control panel for judgment.
As shown in fig. 4 and 5, the utility model discloses the utilization setting is in MCU on the control panel realizes according to the procedure of setting for the control function of lock, MCU receive the RFID card reader with electric quantity detection module's input signal, automatic control according to the procedure of setting for miniature step motor with the operating condition of LED low-power indicator. And after receiving the digital key information read by the RFID card reader, the MCU performs matching judgment on the digital key and outputs a corresponding control instruction according to a judgment result to control the working state of the micro stepping motor. When the secret key is correctly matched, the MCU outputs an instruction to control the motor to rotate forward by a set angle so that the control bolt is moved out of the inner lock cylinder for disarming; after the RFID key is pulled out, the MCU starts the motor according to the preset time delay, and reverses the set angle to enable the control bolt to be inserted into the inner lock cylinder for defense arrangement, wherein the time delay can be set to be 5 seconds, 10 seconds, 30 seconds, 60 seconds and the like according to the requirement, and the utility model discloses preferred 10 seconds; the set rotating angle of the micro stepping motor is obtained by calculation according to the screw pitch of the screw rod and the depth of the control bolt inserted into the internal lock cylinder bolt groove.
The utility model discloses a mode that mechanical lock core and RFID authentication were dual set up defences can obviously promote lock security and theftproof ability reduce the possibility that the lock was explained by the technique by a wide margin.
As shown in fig. 1, fig. 4 and fig. 5, the control board and each functional module are powered by the battery pack, and the battery type adopted can be a lithium battery, a dry battery, a storage battery and the like. The lithium battery is arranged in the battery box. The battery box is arranged in the rear shell of the door lock, and the side surface of the rear shell is provided with the battery cover.
As shown in fig. 1 and 5, the control board is provided with an electric quantity detection module and a low electric quantity prompt lamp. The electric quantity detection module adopts an onboard high-precision voltage detection chip which is widely used on the market. The working process of the electric quantity detection is that the residual electric quantity of the battery is calculated by detecting the voltage or the current of the control panel loop, and when the residual electric quantity is lower than a preset low-electric-quantity threshold value, the MCU outputs an instruction to control the low-electric-quantity prompting lamp to light or flash so as to prompt a user to replace the battery. Specifically, the low-power prompting lamp preferably adopts a color-variable LED, and yellow indicates that the residual power is lower than 20%, and is a low-power threshold value; red indicates that the remaining capacity is less than 10%, which is a dangerous capacity threshold. The low-power prompting lamp is installed on a rear shell panel of the door lock. Particularly, when the electric quantity detection module detects that the residual electric quantity is lower than a dangerous electric quantity threshold value, the MCU outputs an instruction to directly control the micro stepping motor to move the control bolt out of the inner lock cylinder for disarming; when the electric quantity is recovered to be above the dangerous electric quantity threshold value, the MCU controls the motor to insert the control bolt into the inner lock cylinder for re-defense. Through this mode can prevent that the lock from leading to the fact the unable problem of being opened by the key to appear that withdraws garrison can't be done all can to the control bolt because of the electric quantity is not enough.
The above detailed description is for the purpose of illustration only, and not for the purpose of limitation, and equivalents and substitutions for the above-described embodiments by those skilled in the art are intended to be included within the scope of the claims.
Claims (5)
1. The utility model provides a lock with control is tied and RFID module, includes lock body, lock core, procapsid and back casing, its characterized in that: the system also comprises a control bolt, a micro stepping motor, an RFID module, a control panel and a power supply; the control bolt is a section of metal rod, one end of the control bolt is inserted into a bolt groove of the lock cylinder, the bolt groove is a cylindrical opening penetrating through the lock cylinder and penetrating into the inner lock cylinder, the control bolt can only move axially under the limitation of the bolt groove, and when the control bolt is inserted into the bolt groove of the inner lock cylinder, the inner lock cylinder cannot be rotated even if a key is matched; the micro stepping motor is provided with a screw rod and is fixed on a substrate of the front shell, the middle part of the control bolt is fixedly arranged on a screw rod sliding block, and the motor rotates to drive the screw rod to rotate so as to enable the sliding block to move along the direction of a motor shaft, so that the control bolt is driven to move; the RFID module comprises an RFID card reader and an RFID key, an RFID label is arranged in the RFID key and used for storing a digital key, the RFID card reader is arranged on the front panel of the front shell and close to the lock cylinder, and when the RFID label is close to the RFID card reader, the RFID card reader is communicated with the RFID key, reads the digital key and inputs the digital key to the MCU on the control panel; the MCU carries out matching judgment on the digital key and realizes a door lock control function according to a set program, when the keys are matched, the MCU outputs an instruction to control the motor to rotate forward for a certain angle so as to enable the control bolt to move out of the inner lock cylinder for disarming, and after the RFID key is pulled out, the MCU starts the motor to rotate backward according to a preset time delay so as to enable the control bolt to be inserted into the inner lock cylinder, so that the key cannot rotate to unlock, and thus defense deployment is realized.
2. A door lock with a control bolt and an RFID module according to claim 1, characterized in that: the system also comprises an electric quantity detection module and a low electric quantity prompt lamp; the control panel and each functional module of lock pass through the battery power supply, install electric quantity detection module and low-power warning light on the control panel, and the residual capacity of battery is calculated out through the voltage or the electric current that detect the control panel return circuit to electric quantity detection module, and when the residual capacity was less than the low-power threshold value of preset, by MCU output instruction control low-power warning light bright lamp or scintillation, the suggestion user changes the battery, and low-power warning light adopts LED and installs on the back casing panel of lock.
3. A door lock with a control bolt and an RFID module according to claim 1 or 2, characterized in that: when the electric quantity detection module on the control panel detects that the residual electric quantity is lower than the set dangerous electric quantity threshold value, the MCU outputs an instruction to directly control the motor to remove the defense, and when the electric quantity is recovered to be higher than the dangerous electric quantity threshold value, the MCU controls the micro stepping motor to re-deploy the defense.
4. A door lock with a control bolt and an RFID module according to claim 1 or 2, characterized in that: the control panel and each functional module are powered by a battery pack, the battery is arranged in a battery box, the battery box is arranged in a rear shell of the door lock, a battery cover is arranged on the side surface of the rear shell, and the battery can be conveniently put in or taken out by opening the battery cover.
5. A door lock with a control bolt and an RFID module according to claim 1 or 2, characterized in that: the other end of the control bolt is inserted into a hole on the supporting arm of the front shell substrate, and the control bolt can only axially move along the wall surface of the hole groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182343.2U CN209761035U (en) | 2019-02-01 | 2019-02-01 | Door lock with control bolt and RFID module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182343.2U CN209761035U (en) | 2019-02-01 | 2019-02-01 | Door lock with control bolt and RFID module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761035U true CN209761035U (en) | 2019-12-10 |
Family
ID=68751303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920182343.2U Active CN209761035U (en) | 2019-02-01 | 2019-02-01 | Door lock with control bolt and RFID module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134565A1 (en) * | 2019-12-31 | 2021-07-08 | 李庆远 | Active high-frequency electronic tag |
-
2019
- 2019-02-01 CN CN201920182343.2U patent/CN209761035U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134565A1 (en) * | 2019-12-31 | 2021-07-08 | 李庆远 | Active high-frequency electronic tag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106522679B (en) | The emergency release method of electric lockset and electric lockset | |
| CN107762283A (en) | A kind of self-locking intelligent lock system | |
| CN105298239A (en) | Door lock high in safety and unlocking and counter lock method thereof | |
| CN207469942U (en) | A kind of self-locking intelligent lock system | |
| CN107313665A (en) | Padlock and method for unlocking | |
| CN209761035U (en) | Door lock with control bolt and RFID module | |
| CN207194650U (en) | A kind of smart lock | |
| CN202870952U (en) | Electronic key | |
| CN212773867U (en) | Intelligent padlock structure | |
| CN108049717A (en) | A kind of intelligent anti-theft equipment | |
| CN104034202B (en) | A kind of gun intelligent safety lock | |
| CN209494360U (en) | A kind of industry fingerprint intelligent lock | |
| CN204462221U (en) | A kind of anti-electricity-theft device | |
| CN209482887U (en) | A kind of intelligent door lock | |
| CN111577029A (en) | Intelligent padlock | |
| CN206987581U (en) | Padlock | |
| CN207194646U (en) | One kind combination is without spoon intelligent door lock | |
| CN108915402A (en) | A kind of Fingerprint Lock of double verification | |
| CN206917440U (en) | A kind of portable fingerprint lock | |
| CN211115251U (en) | Fingerprint identification heaven and earth lock | |
| CN105863379B (en) | A kind of smart lock with security hardening measure | |
| CN205369101U (en) | Intelligence bicycle parking stall lock | |
| CN105239843B (en) | A kind of electronic lock | |
| CN109930920A (en) | Public bicycles smart electronics locking device | |
| CN204609524U (en) | A kind of photoelectric combination lock of double anti-theft functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |