CN107476673A - The electric door locking mechanisms and door lock assembly of compatible mechanical key - Google Patents

Abstract

The invention relates to the technical field of electronic door locks, in particular to an electronic door lock mechanism and a door lock device compatible with mechanical keys. An electronic door lock mechanism compatible with mechanical keys, including a housing, a clamping mechanism, a rebound rotation mechanism and a driving mechanism arranged in the housing. The casing has an accommodating cavity. The clamping mechanism is suitable for clamping the key, and includes a key box in the accommodating cavity, and one end of the key is adapted to protrude out of the key box to be inserted into the lock core of the door body. The rebound rotating mechanism is suitable for driving the clamping mechanism to rotate, and includes a rotating body arranged in the accommodating cavity. The drive mechanism is suitable for driving the rebound rotation mechanism to rotate, and includes a steering gear partly arranged in the accommodating cavity. And the microprocessor is suitable for receiving the door opening/closing trigger signal to control the rotation of the driving mechanism.

Description

Electronic door lock mechanism and door lock device compatible with mechanical keys

technical field

The invention relates to the technical field of an electronic door lock mechanism compatible with a mechanical key, in particular to an electronic door lock mechanism and a door lock device compatible with a mechanical key.

Background technique

In the past few years, intelligent products have been popularized continuously, and the popularity level of electronic door locks in my country is far lower than that of developed countries. Nowadays, the electronic door lock mechanism is in a stage of vigorous development. However, most of the existing electronic door lock mechanisms basically need to cut and modify the door. Such an installation and use method will easily damage the door body when the electronic door lock mechanism is disassembled during maintenance, thereby affecting the overall aesthetics of the door body. In this way, it will cause consumers' concerns when purchasing and using.

On the other hand, since the electronic door lock is integrated with the door body and the wiring is designed and arranged, the installation and disassembly require a professional installation team to operate, and the installation and maintenance costs are relatively high.

On the other hand, since the electronic door lock is generally in the electronic induction mode, when a fault occurs, if the fault cannot be repaired and eliminated in time, it will cause the problem that the door cannot be opened and/or closed in time, thereby affecting normal use.

In view of the above-mentioned problems existing in existing electronic door locks, it is necessary to design an electronic door lock that is easy to install, maintain and disassemble, and is compatible with traditional mechanical keys so that the door body can still be opened/closed when the electronic door lock fails.

Contents of the invention

The first object of the present invention is to provide an electronic door lock mechanism compatible with mechanical keys to solve the technical problem that it can be installed and used relatively independently of the door body and is easy to disassemble.

The first object of the present invention is to provide a door lock device to solve the technical problem that the electronic door lock mechanism of the door lock device can be installed and used relatively independently from the door body and is easy to disassemble.

The electronic door lock mechanism compatible with the mechanical key of the present invention is realized in this way:

An electronic door lock mechanism compatible with mechanical keys, comprising:

The housing has an accommodating cavity;

The clamping mechanism is suitable for clamping the key, and includes a key box that accommodates the key in the accommodating cavity; one end of the key is suitable for protruding out of the key box to be inserted into the lock core of the door body ;

The rebound rotation mechanism is suitable for driving the clamping mechanism to rotate, and includes a rotating body arranged in the accommodating cavity;

The driving mechanism is suitable for driving the rebound rotation mechanism to rotate, and includes a steering gear partially arranged in the accommodating cavity; and

The microprocessor is adapted to receive the door opening/closing trigger signal to control the rotation of the driving mechanism.

Further, the electronic door lock mechanism compatible with mechanical keys also includes a resistance and angle detection mechanism arranged in the accommodating cavity and electrically connected to the microprocessor, the resistance and angle detection mechanism is suitable for Linked with the rebound rotation mechanism to obtain the rotation angle of the rebound rotation mechanism.

Further, the rebound rotation mechanism also includes a rotating disc located in the accommodating cavity and a transmission shaft connected to the rotating disc so as to rotate with the rotating disc;

The rotating disc is connected with the steering gear so that it is suitable for being driven by the steering gear to rotate;

The transmission shaft is connected to the rotating body so as to be driven by the transmission shaft to rotate; and

The key box is accommodated in the rotating body so that the rotation of the rotating body drives the key box to rotate.

Further, the resistance and angle detection mechanism includes a photoelectric code disc sleeved on the transmission shaft and located between the rotating disk and the rotating body, and a photoelectric code disc fixed on the side of the photoelectric code disc. the photoelectric switch frame of the switch; and

The photoelectric code disc is adapted to be driven by the transmission shaft to rotate.

Further, a number of small holes are evenly spaced along the ring on the photoelectric code disc;

The two monitoring pins of the photoelectric switch are respectively located on the upper end surface and the lower end surface of the photoelectric code disc, and are suitable for generating pulse signals when the photoelectric code disc rotates;

The photoelectric switch is suitable for electrical connection with the microprocessor.

Further, the microprocessor includes a counting module adapted to record the number of pulse signals generated by the photoelectric switch when the photoelectric code disc rotates.

Further, the steering gear is partially accommodated in a steering gear frame mounted on the top of the housing; and

A group of grooves suitable for fixing the steering gear arm of the steering gear are symmetrically provided on the rotating disk, namely

It is suitable for the rotation of the rotating disk driven by the rotation of the steering gear.

Further, the electronic door lock mechanism compatible with mechanical keys also includes a door opening and closing control module electrically connected to the microprocessor;

The door opening and closing control module includes a door opening key and a door closing key, that is, pressing the door opening key or the door closing key triggers the door opening or door opening signal, so that the microprocessor issues an instruction to open the door or close the door.

Optionally, the electronic door lock mechanism compatible with mechanical keys also includes a wireless transceiver module electrically connected to the microprocessor, so as to be suitable for receiving the door opening and/or door closing signals sent by the remote terminal, so that the microprocessor sends Command to open or close the door.

Door lock device of the present invention is realized like this:

A door lock device, comprising the electronic door lock mechanism compatible with mechanical keys.

The beneficial effects of the present invention are: the electronic door lock mechanism and door lock device compatible with mechanical keys of the present invention realize intelligent electronic control through the designed key box containing the key and the rebound rotation mechanism used to drive the key box to rotate The opening or closing of the door lock. By using the housing of the electronic door lock of the present invention to be fixed to the door body, no destructive embedded installation of the door body is required, and the installation and maintenance are convenient and cost-effective.

Furthermore, through the set wireless transceiver module, it is suitable for opening or closing the electronic door lock through a remote intelligent terminal, such as a mobile phone and/or a tablet.

Furthermore, through the design of the mechanical key built into the key box, when the electronic control system of the electronic door lock fails to realize intelligent opening/closing, the electronic door lock can be removed and the mechanical key inserted into the lock cylinder. Open/close the door. Compared with the traditional electronic door lock when it fails, after the overall dismantling, the door cannot be opened/closed by the mechanical key before the electronic door lock is repaired, while the electronic door lock of the present invention cannot be opened or closed normally when the electronic control circuit fails. Opening or closing the door will not cause conflicts in the use of mechanical keys, will not affect the normal use of the door, and can leave sufficient time for maintenance of electronic door locks.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a schematic structural diagram of an electronic door lock mechanism compatible with a mechanical key of the present invention;

Fig. 2 is a structural schematic diagram of an electronic door lock mechanism compatible with a mechanical key of the present invention;

Fig. 3 is a schematic diagram of the internal structure of the accommodating cavity of the electronic door lock mechanism compatible with the mechanical key of the present invention;

Fig. 4 is the structural representation of photoelectric code disc of the present invention;

Fig. 5 is a schematic diagram of the control circuit of the electronic door lock mechanism compatible with the mechanical key of the present invention;

Fig. 6 is the flow chart of pulse counting of the present invention;

7 is a schematic diagram of the control flow of the door opening and closing control module of the electronic door lock mechanism compatible with the mechanical key of the present invention;

Fig. 8 is a schematic diagram of the remote intelligent terminal control flow of the electronic door lock mechanism compatible with the mechanical key of the present invention.

Fig. 9 is a schematic diagram of the cavity structure of the electronic door lock compatible with the mechanical key of the present invention.

In the figure: housing 100, accommodating cavity 102, key box 103, rotating body 105, transmission shaft 107, connecting disc 108, rotating disc 109, steering frame 112, groove 115, photoelectric code disc 118, small hole 119 , photoelectric switch frame 120, monitoring pin 122, key clamping mechanism 125, spring 127.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Example 1:

As shown in FIGS. 1 to 9 , the present invention provides an electronic door lock mechanism compatible with mechanical keys, including a housing 100 , and a clamping mechanism, a rebounding rotation mechanism and a driving mechanism disposed in the housing 100 .

The casing 100 has an accommodating cavity 102; the casing 100 is used for fixing with the outer surface of the door. Compared with the traditional embedded electronic door lock mechanism compatible with mechanical keys, the disassembly and installation are very fast, and it is also convenient to disassemble and send it to the maintenance department for inspection in case of failure, without the need for professional maintenance personnel to operate.

The drive mechanism is suitable for driving the rebound rotation mechanism to rotate, and includes a steering gear (not marked in the figure) partially disposed in the accommodation cavity 102 . The steering gear is partially accommodated in a steering gear frame 112 installed on the top of the housing 100; The rotation drives the rotation of the rotating disk 109 .

The clamping mechanism is suitable for clamping the key, and includes a key box 103 inside the accommodating chamber 102 ; one end of the key is adapted to protrude from the key box 103 to be inserted into the lock core of the door body.

The rebound rotating mechanism is suitable for driving the clamping mechanism to rotate, and includes a rotating body 105 disposed in the accommodating cavity 102 .

The rebound rotating mechanism also includes a rotating disk 109 located in the accommodating cavity 102 and a transmission shaft 107 connected with the rotating disk 109 so as to rotate with the rotating disk 109 . The rotating disc 109 is connected with the steering gear so as to be suitable for being driven by the steering gear to rotate.

The transmission shaft 107 is connected with the rotating body 105 so as to be driven by the transmission shaft 107 to rotate. A connection plate 108 is integrally formed at the connecting portion of the transmission shaft 107 and the rotating body 105 , and the connecting plate 108 is used for connecting and fixing on the upper surface of the rotating body 105 .

The key box 103 is accommodated in the rotator 105 so that the key box 103 is driven to rotate by the rotation of the rotator 105 .

The microprocessor is adapted to receive the door opening/closing trigger signal to control the rotation of the driving mechanism.

The electronic door lock mechanism compatible with mechanical keys also includes a door opening and closing control module electrically connected to the microprocessor; the door opening and closing control module includes a door opening key and a door closing key, that is, pressing the door opening key or the door closing key triggers the door opening or door opening signal, Make the microprocessor issue the instruction of opening or closing the door.

Optionally, the microprocessor drives the rotation of the rotating body by controlling the stepping motor.

The implementation principle of the electronic door lock mechanism compatible with mechanical keys of the present invention is: the microprocessor is suitable for receiving the trigger signal of opening/closing the door to control the rotation of the drive mechanism, the drive mechanism drives the rebound rotation mechanism to rotate, and then the rebound rotation mechanism drives the clip The key in the holding mechanism is rotated, and since the key is partially inserted in the lock core of the door body, during the rotation of the key, the action of opening or closing the door can be realized.

In order to obtain the angle of rotation of the rebound rotation mechanism, the electronic door lock mechanism compatible with the mechanical key also includes a resistance and angle detection mechanism that is arranged in the accommodating cavity 102 and is electrically connected with the microprocessor. The resistance and angle detection mechanism Suitable for linkage with rebound rotation mechanism.

The resistance and angle detection mechanism includes a photoelectric code disc 118 sleeved on the transmission shaft 107 and located between the rotating disc and the rotating body 105 , and a photoelectric switch frame 120 on the side of the photoelectric code disc 118 with a photoelectric switch fixed thereon.

The photoelectric code disc 118 is suitable for being driven by the transmission shaft 107 to rotate, and the photoelectric code disc 118 is provided with a plurality of small holes 119 evenly spaced along the ring, and the design of the small holes 119 makes the photoelectric code disc 118 rotate intermittently to hinder the passage of light; The two monitoring pins 122 of the photoelectric switch are respectively located on the upper end surface and the lower end surface of the photoelectric code disc 118, suitable for generating pulse signals when the photoelectric code disc 118 rotates; the photoelectric switch is suitable for electrical connection with the microprocessor.

The electronic door lock mechanism compatible with mechanical keys of the present invention uses, for example but not limited to, a 24-hole photoelectric code disc 118 .

The microprocessor includes a counting module, which is suitable for recording the number of pulse signals generated by the photoelectric switch when the photoelectric code disc 118 rotates.

Example 2:

On the basis of Embodiment 1, the electronic door lock mechanism compatible with mechanical keys provided in this embodiment also includes a wireless transceiver module electrically connected to the microprocessor to realize remote control of the opening and/or closing of the electronic door lock mechanism. Actions. The wireless transceiver module is suitable for receiving the door opening and/or door closing signals sent by the remote terminal, so as to make the microprocessor issue an instruction to open or close the door.

The wireless transceiver module adopts, for example but not limited to, a Bluetooth module.

Optionally, the wireless transceiver module can be electrically connected with the door switch control module, so as to be suitable for receiving the door opening and/or door closing signals sent by the remote terminal, so as to make the door opening key circuit conduction or the door closing key circuit conduction, and then the microprocessor The device issues a command to open or close the door.

Please refer to the system operation flowcharts in Figure 6 to Figure 8. After the system is powered on, it will initialize various parameters and enter the waiting state. When the door-opening button is pressed or the signal of mobile phone 00 is received, the steering gear turns right, and when the steering gear rotates, the photoelectric code disc 118 is driven to rotate, and the photoelectric code disc 118 sends a pulse interrupt to the microprocessor, and each interrupt is n+1, Until the value of n does not increase when it turns to the head, the microprocessor judges that the rotation is in place, and records the value of n, and calculates the remainder of the pulse number of one circle of the code disc through n, then assigns n as 0, and then reverses For the steering gear, when n is equal to the remainder, the microprocessor stops outputting the rotation signal of the steering gear, and the key should be in a horizontal state at this time. Among them, when the value of n no longer increases when turning the head, the resistance point is detected, so as to judge whether the rotation is in the end. The above design does not need to set the rotation angle in advance, and can automatically stop and return when the resistance is detected. It is suitable for door locks opened by any rotation angle, and has a wide range of applications.

When the door-close key is pressed or when receiving the signal of mobile phone ff, the steering gear turns left, and when the steering gear rotates, it drives the photoelectric code disc 118 to rotate, and the photoelectric code disc 118 sends a pulse interruption to the microprocessor, and every time n+1 is interrupted, Until the value of n does not increase when it turns to the head, the single-chip microcomputer judges that the rotation is in place, and records the value of n, and calculates the remainder of the pulse number of one circle of the code wheel through n, then assigns n to 0, and then reverses the steering gear , when n is equal to the remainder, the microprocessor stops outputting the servo rotation signal, and the key should be in a horizontal state at this time.

The microprocessor of the present invention adopts such as but not limited to 51 series single-chip microcomputers.

Please refer to the control circuit schematic diagram of the electronic door lock mechanism of the compatible mechanical key in the present invention shown in Fig. 5, among the figures, the single-chip microcomputer constitutes the minimum system at first, and the number of turns that the P3.2 mouth detects photoelectric code disc 118 turns over; P2.1 and P2.2 detect whether the door open button and door close button are pressed; P3.3 judges whether the door open or close button is triggered, if triggered, enters the interrupt, and judges according to the state of P2.1 and P2.2 after entering the interrupt Press the door open button or close the door; P2.0 output pulse to control the stepping motor; P3.0, P3.1 communicate with the mobile phone Bluetooth through the HC-04 Bluetooth module.

Example 3:

On the basis of Embodiment 1 or Embodiment 2, the present invention also provides a door lock device, including the electronic door lock mechanism compatible with the mechanical key of Embodiment 1 or Embodiment 2, and the mechanical door lock mechanism, that is, through Installing the electronic door lock mechanism compatible with the mechanical key of embodiment 1 or embodiment 2 on the mechanical door lock mechanism can realize electronic opening/closing of the door, and the installation and disassembly are all very convenient.

Inspired by the above-mentioned ideal embodiment according to the present invention, through the above-mentioned description content, relevant workers can make various changes and modifications within the scope of not departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, but must be determined according to the scope of the claims.

In the description of the present invention, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying No device or element must have a particular orientation, be constructed, and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the invention is used, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying References to devices or elements must have a particular orientation, be constructed, and operate in a particular orientation and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", and it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the present invention, unless otherwise clearly specified and limited, the first feature above or below the second feature may include that the first and second features are in direct contact, and may also include that the first and second features are not in direct contact but is through additional feature contacts between them. Moreover, the first feature on, above and above the second feature includes the first feature directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. The first feature being below, below and below the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

Claims (10)

1. An electronic door lock mechanism compatible with mechanical keys, characterized in that it comprises: The housing has an accommodating cavity; The clamping mechanism is suitable for clamping the key, and includes a key box in which the key is accommodated in the accommodating cavity; one end of the key is suitable for protruding out of the key box to be inserted into the lock core of the door body ; The rebound rotation mechanism is suitable for driving the clamping mechanism to rotate, and includes a rotating body arranged in the accommodating cavity; The driving mechanism is adapted to drive the rebound rotation mechanism to rotate, and includes a steering gear partially disposed in the accommodating cavity; and a microprocessor is adapted to receive a door opening/closing trigger signal to control the rotation of the driving mechanism. 2. The electronic door lock mechanism compatible with mechanical keys according to claim 1, wherein the electronic door lock mechanism compatible with mechanical keys further comprises a A resistance and angle detection mechanism electrically connected to the device, the resistance and angle detection mechanism is suitable for linkage with the rebound rotation mechanism to obtain the rotation angle of the rebound rotation mechanism. 3. The electronic door lock mechanism compatible with mechanical keys according to claim 2, wherein the rebound rotation mechanism further comprises a rotating disc located in the accommodating cavity and connected with the rotating disc to The transmission shaft rotates with the rotating disc; The rotating disc is connected with the steering gear so that it is suitable for being driven by the steering gear to rotate; The transmission shaft is connected to the rotating body so as to be driven by the transmission shaft to rotate; and The key box is accommodated in the rotating body so that the rotation of the rotating body drives the key box to rotate. 4. The electronic door lock mechanism compatible with mechanical keys according to claim 3, characterized in that, the resistance and angle detection mechanism includes a device sleeved on the transmission shaft and located between the rotating disc and the rotating body a photoelectric code disc, and a photoelectric switch frame with a photoelectric switch fixed on the side of the photoelectric code disc; and The photoelectric code disc is adapted to be driven by the transmission shaft to rotate. 5. The electronic door lock mechanism compatible with mechanical keys according to claim 4, wherein a plurality of small holes are evenly spaced along the ring on the said photoelectric code disc; The two monitoring pins of the photoelectric switch are respectively located on the upper end surface and the lower end surface of the photoelectric code disc, and are suitable for generating pulse signals when the photoelectric code disc rotates; The photoelectric switch is suitable for electrical connection with the microprocessor. 6. The electronic door lock mechanism compatible with mechanical keys according to claim 5, wherein the microprocessor includes a counting module adapted to record the number of pulse signals generated by the photoelectric switch when the photoelectric code disc rotates . 7. The electronic door lock mechanism compatible with mechanical keys according to claim 3, wherein the steering gear is partially accommodated in a steering gear frame mounted on the top of the casing; and A group of grooves suitable for fixing the steering gear arm of the steering gear are symmetrically provided on the rotating disk, namely It is suitable for the rotation of the rotating disk driven by the rotation of the steering gear. 8. The electronic door lock mechanism compatible with mechanical keys according to claim 1, characterized in that, the electronic door lock mechanism compatible with mechanical keys further comprises a door opening and closing control module electrically connected to the microprocessor; The door opening and closing control module includes a door opening key and a door closing key, that is, pressing the door opening key or the door closing key triggers the door opening or door opening signal, so that the microprocessor issues an instruction to open the door or close the door. 9. The electronic door lock mechanism compatible with mechanical keys according to any one of claims 1 and 8, characterized in that, the electronic door lock mechanism compatible with mechanical keys also includes a wireless transceiver electrically connected to the microprocessor The module is adapted to receive the door opening and/or door closing signal sent by the remote terminal, so that the microprocessor sends the door opening or closing instruction. 10. A door lock device, characterized by comprising: the electronic door lock mechanism compatible with mechanical keys according to any one of claims 1-9.