Intelligent door with broken bridge system

Abstract

The application discloses a broken bridge system intelligent door, the door frame and the door leaf of which are of a broken bridge heat insulation structure, and in addition, the door leaf and the door frame are provided with an electromagnetic device and an intelligent door lock, the intelligent door lock and the electromagnetic device are linked and controlled through two interconnected controllers, and in addition, the door frame is provided with a trigger structure which is triggered by pressure to open the electromagnetic device. The application improves the tightness after the door is closed through the broken bridge heat insulation structure and the magnetic attraction device, and the intelligent door lock linked and controlled with the magnetic attraction device is arranged to realize mutual cooperation in the whole door closing process, so that the heat insulation, sound insulation and tightness of the door are improved, and the above performances are mutually strengthened. Specifically, the magnetic attraction device realizes self-attraction while firmly closing the door leaf, the locking tongue does not rub against the lock hole while being closed, the locking tongue is protected, the intelligent door lock can receive the pressure value feedback of the electromagnetic device to determine whether the locking tongue needs to be pushed out.

Description

TECHNICAL FIELD

[0001] The present application relates to a broken bridge thermal insulation door, in particular to a broken bridge system intelligent door. BACKGROUND

[0002] With the development of economic society and the improvement of people's living standards, more and more small high-rise or high-rise buildings are rising in the current city, and the current building is generally a multi-family shared elevator structure, so the waterproof, thermal insulation, sound insulation and other performances at the entrance door are more important, therefore, a broken bridge thermal insulation structure is generally used to improve the thermal insulation effect of the aluminum door, and a crash strip is used to improve the air tightness of the door, so that the entrance door achieves the effect of thermal insulation, sound insulation and fireproofing.

[0003] The patent with the application number CN201210427966.4 discloses a thermal insulation broken bridge aluminum out-opening door profile, which comprises a door frame, a door leaf, a thermal insulation strip and a sealing strip, the door frame comprises an outer cavity and an inner cavity, the inner walls of the outer cavity and the inner cavity are respectively provided with door frame thermal insulation strip notches symmetrically, two door frame thermal insulation strips are arranged between the outer cavity and the inner cavity, the two door frame thermal insulation strips are respectively inserted into the door frame thermal insulation strip notches, the outer cavity and the inner cavity are connected into an integral body, and the two door frame thermal insulation strips and the inner walls of the outer cavity and the inner cavity form a closed cavity.

[0004] The above patent seals and silences the door frame by setting a broken bridge structure and a thermal insulation strip, and because the sealing strip is arranged, the sealing strip needs to be in closer contact after the door is closed to achieve better sealing effect, so as to achieve the purpose of silence and thermal insulation. Because the resistance of the door is increased when the silent strip is set, the door is not closed in place, in addition, the door is generally locked by a mechanical lock, and the tightness of the entire door leaf needs to rely on the door lock after being locked. This structure cannot be locked and will cause friction between the door lock and the lock hole when the lock is opened, and noise is generated. Some doors use a self-suction structure, but the self-suction structure cannot be linked with the door lock, and the triggering device of the self-suction structure uses a photoelectric switch to increase the complexity of the triggering device structure. SUMMARY

[0005] Based on the problem that the broken bridge thermal insulation sealing door in the prior art is not closed in place after the sealing strip is arranged, and the self-suction structure cannot be linked with the door lock and the triggering device structure is complex, the present application provides a broken bridge system intelligent door.

[0006] The technical scheme adopted by the present application to solve the above technical problems is:

[0007] The intelligent door of broken bridge system comprises a door frame and a door leaf hinged to the door frame, the door frame and the door leaf are both of broken bridge structure and a sealing strip is arranged between the abutting surfaces of the door leaf and the door frame, the door leaf comprises a first door leaf hinged to the left side of the door frame and a second door leaf hinged to the right side of the door frame, an intelligent door lock is arranged between the first door leaf and the second door leaf, a magnetic attraction device is arranged between the second door leaf and the door frame, and the magnetic attraction device comprises:

[0008] a main controller arranged in the door frame and externally connected to a power supply, which is in communication connection or electrical connection with the intelligent door lock;

[0009] a first pressure sensor arranged in the door frame and connected to the main controller;

[0010] a second pressure sensor arranged in the door frame and connected to the main controller;

[0011] an electromagnetic device arranged in the door frame and connected to the main controller through a power supply line;

[0012] a magnetic steel arranged in the second door leaf for cooperating with the magnetic field generated by the electromagnetic device to close the door;

[0013] a first gas spring slidingly arranged in the door frame, one end of which abuts against the first pressure sensor and the other end of which penetrates through the side wall of the door frame and extends out of the door frame;

[0014] a second gas spring slidingly arranged in the door frame, one end of which abuts against the second pressure sensor and the other end of which penetrates through the side wall of the door frame and extends out of the door frame, which is of the same specification as the first gas spring and is arranged side by side with the first gas spring so that when the second door leaf is closed, the first gas spring is first pressed to generate a first pressure value at the first pressure sensor, and then when the second door leaf continues to close, the second gas spring is pressed to generate a second pressure value at the second pressure sensor.

[0015] the intelligent door lock comprises:

[0016] a lock shell;

[0017] a backing plate arranged at the side of the lock shell and used for the extension of each lock tongue;

[0018] a main lock tongue slidingly arranged in the lock shell and capable of extending out of the backing plate, a main push plate connected to the main lock tongue, the main push plate being provided with a toothed slot, and two toothed rods being arranged in two adjacent slot openings of the toothed slot;

[0019] a driving mechanism comprising a driving motor and a gear box, the driving motor being in transmission connection with a gear set in the gear box;

[0020] The automatic clutch gear assembly comprises a sun gear, a planet gear, a planet carrier and a ring gear, the sun gear is a two-stage stacked gear, one stage of which is engaged with the planet gear, and the other stage is engaged with the output gear of the gear box, the planet gear is engaged with the ring gear, the planet carrier is connected with the planet gear, and two shift rods are arranged on the planet carrier and located in a shift slot, and the outer wall of the ring gear has a transmission gear;

[0021] The sub-controller is connected with the driving motor and connected with the main controller by electricity or communication, and is supplied with power by an external power source or a separate power supply.

[0022] The lock cylinder assembly comprises a lock cylinder, a lock cylinder gear driven by the lock cylinder, and two pinions engaged with the lock cylinder gear, and the two pinions are engaged with the transmission gear on the outer part of the ring gear.

[0023] The outer handle is fixed to the lock shell.

[0024] The inner handle is rotatably connected to the lock shell, and the rotating shaft is connected to the sun gear.

[0025] The fingerprint lock is arranged on the outer handle and connected with the sub-controller.

[0026] Preferably, the latch assembly further comprises a latch bolt slidingly arranged in the lock shell and capable of extending out of the lining, three shift columns arranged on the main push plate, and a shift block, the latch bolt is provided with a reset spring and a shift plate, one side of the shift block is provided with three arc-shaped holes, and the three shift columns are respectively located in the three arc-shaped holes, the other side of the shift block abuts against the shift plate, the main push plate drives the shift block to rotate when sliding to push the shift plate to retract the latch bolt, the reset spring is used for resetting the shift plate after retraction, and the lock shell is further provided with a first micro switch for abutting against the shift plate after retraction, and the first micro switch is electrically connected with the sub-controller.

[0027] Preferably, the shift block is provided with a shift opening, the shift column is provided with a shift head, the shift head extends into the shift opening and cooperates with the side wall of the shift opening to drive the shift block to rotate.

[0028] Preferably, the lock shell is further provided with an insurance assembly, the insurance assembly comprises an insurance latch bolt arranged on the lock shell, the insurance latch bolt is connected with an insurance push plate, the insurance push plate is provided with an insurance shift slot, the lock shell is provided with an insurance shift shaft, the insurance shift shaft is provided with an insurance shift rod matched with the insurance shift slot, and the insurance shift rod extends into the insurance shift slot to drive the insurance latch bolt to extend or retract by abutting against the shift rod.

[0029] Preferably, the lock shell is further provided with a second micro switch and a third micro switch both electrically connected with the sub-controller, and the main push plate abuts against the second micro switch and the third micro switch when advancing and retreating to the preset position, respectively.

[0030] Preferably, the two sides of the main push plate are provided with side lock structures, the side lock structure comprises a side lock connecting plate arranged on the main push plate, a heaven and earth hook arranged on the side lock connecting plate, a driving column arranged on the side lock connecting plate, and an oblique sliding hole arranged on the heaven and earth hook, the driving column extends into the sliding hole, when the side lock connecting plate slides, the driving column acts on the heaven and earth hook to drive the heaven and earth hook to slide vertically to the movement direction of the side lock, and the mounting plate is provided with a side lock tongue.

[0031] Preferably, the side lock comprises a side lock tongue capable of extending through the lining plate and a mounting plate connected with the side lock tongue, the mounting plate is connected with the side lock connecting plate through a connecting block, the mounting plate is provided with a strip-shaped limiting hole, and the lock shell is provided with a limiting column extending into the limiting hole to limit the side lock tongue.

[0032] Specifically, the door frame comprises a hollow front frame body, a hollow rear frame body and a broken bridge connecting piece, the broken bridge connecting piece connects the front frame body and the rear frame body; the first door leaf and the second door leaf each comprise a front door plate, a rear door plate and a broken bridge connecting piece, and the broken bridge connecting piece connects the front door plate and the rear door plate, wherein the front frame body, the rear frame body, the front door plate and the rear door plate are all made of aluminum alloy material, and the broken bridge connecting piece is made of heat insulation material.

[0033] Specifically, the door frame has two levels of steps on the inner side, and the corner of the second level of steps of the door frame is provided with a first sealing strip; the first door leaf is in a stepped structure with two levels of steps, and the corners of the first level of steps on the left side, the top side and the bottom side of the first door leaf are provided with a second sealing strip, the broken bridge connecting pieces on the left side, the top side and the bottom side of the first door leaf are provided with a third sealing strip, the corners of the second level of steps on the left side, the top side and the bottom side of the first door leaf are provided with a fourth sealing strip, and the corner of the second level of steps on the right side of the first door leaf is provided with a fifth sealing strip; the second door leaf is in a stepped structure with two levels of steps, and the corner of the first level of steps of the second door leaf is provided with a sixth sealing strip, the broken bridge connecting piece of the second door leaf is provided with a seventh sealing strip, and the corner of the second level of steps of the second door leaf is provided with an eighth sealing strip; wherein the first sealing strip abuts against the third sealing strip and the fourth sealing strip; the second sealing strip abuts against the door frame, the fifth sealing strip abuts against the seventh sealing strip and the eighth sealing strip; and the sixth sealing strip abuts against the door frame and the right side wall of the first door.

[0034] Compared with the prior art, the advantages of the present application are as follows: the broken bridge heat insulation structure and the magnetic attraction device are used to improve the tightness after the door is closed, and the intelligent door lock connected with the magnetic attraction device is arranged to realize mutual cooperation in the whole closing process, not only to improve the heat insulation, sound insulation and tightness of the door, but also to have a mutual strengthening effect while improving the above-mentioned performances, specifically, the magnetic attraction device can firmly close the door leaf while realizing self-suction, the lock tongue does not rub with the lock hole when the door is closed, and the lock tongue is protected, in addition, the intelligent door lock can receive the pressure value feedback of the electromagnetic device to determine whether the lock tongue needs to be pushed out. BRIEF DESCRIPTION OF DRAWINGS

[0035] The present application will be described in further detail below with reference to the attached drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are only for the purpose of explaining the preferred embodiments and therefore should not be taken as limiting the scope of the present application. In addition, unless specifically indicated otherwise, the drawings only schematically represent the composition or configuration of the described objects and can include exaggerated displays, and the drawings are not necessarily drawn to scale.

[0036] Figure 1 is a cross-sectional view of the door frame and door leaf (broken bridge thermal insulation structure);

[0037] Figure 2 is a longitudinal sectional view of the door frame and door leaf (broken bridge thermal insulation structure);

[0038] Figure 3 is a perspective view of the intelligent door lock;

[0039] Figure 4 is an exploded view of the intelligent door lock (remove the side lock assembly);

[0040] Figure 5 is an exploded view of the automatic clutch gear assembly (top);

[0041] Figure 6 is an exploded view of the automatic clutch gear assembly (bottom);

[0042] Figure 7 is a structural schematic diagram of the control part;

[0043] Figure 8 is a structural schematic diagram of the side lock assembly;

[0044] Figure 9 is a plan view of the intelligent door lock (remove the knob);

[0045] In the diagram: 01, thermal break connector; 10, door frame; 101, rear frame; 102, front frame; 103, first sealing strip; 104, second sealing strip; 105, third sealing strip; 106, fourth sealing strip; 107, fifth sealing strip; 108, sixth sealing strip; 109, seventh sealing strip; 110, eighth sealing strip; 20, first door leaf; 201, rear door panel; 202, front... Door panel; 30, Second door leaf; 400, Drive motor; 401, Lock housing; 402, Liner plate; 403, Gearbox; 404, Lug assembly; 4041, Actuating plate; 4042, Lug; 4043, Actuating block; 40431, Arc-shaped hole; 40432, Actuating opening; 4044, Actuating head; 4045, Actuating lever; 405, Main push plate; 4051, Main bolt; 4 052. Actuating pin; 4053. Gear slot; 4061. Planetary carrier; 4062. Sun gear; 4063. Planetary gear; 4064. Gear ring; 4071. Safety pin shaft; 4072. Safety lever; 4073. Safety push plate; 40731. Safety slot; 4074. Safety latch; 4081. Limiting pin; 4082. Side lock connecting plate; 4083. Mounting plate; 4084. Sliding hole; 4085. Top and bottom hooks; 4086. Drive pin; 4087. Limiting hole; 4088. Side latch; 4091. Lock cylinder gear; 4092. Pinion; 410. Rotating shaft; 50. Electromagnetic device; 60. Main controller; 70. Secondary controller; 801. First pressure sensor; 802. Second pressure sensor; 901. First gas spring; 902. Second gas spring. Detailed Implementation

[0046] Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely descriptive and exemplary and should not be construed as limiting the scope of the invention. Example

[0047] Main scheme:

[0048] Intelligent doors with thermal break systems, such as Figures 1-9 As shown, the device includes a door frame 10 and a door leaf hinged to the door frame 10. Both the door frame 10 and the door leaf are of thermal break structure, and a sealing strip is provided between the abutting surfaces of the door leaf and the door frame 10. The door leaf includes a first door leaf 20 hinged to the left side of the door frame 10 and a second door leaf 30 hinged to the right side of the door frame 10. A smart door lock is provided between the first door leaf 20 and the second door leaf 30. A magnetic attraction device is provided between the second door leaf 30 and the door frame 10. The magnetic attraction device includes:

[0049] The main controller 60 is located inside the door frame 10 and is connected to an external power supply. It is either communicatively connected or electrically connected to the smart door lock.

[0050] A first pressure sensor 801 is arranged in the door frame 10 and connected to the main controller 60;

[0051] A second pressure sensor 802 is arranged in the door frame 10 and connected to the main controller 60;

[0052] An electromagnetic device 50 is arranged in the door frame 10 and connected to the main controller 60 through a power line, which is used to generate an electromagnetic field;

[0053] A magnetic steel is arranged in the second door leaf 30 to cooperate with the magnetic field generated by the electromagnetic device 50 to close the door;

[0054] A first gas spring 901 is slidingly arranged in the door frame 10, one end of which abuts against the first pressure sensor 801, and the other end of which penetrates through the side wall of the door frame 10 and extends out of the door frame 10;

[0055] A second gas spring 902 is slidingly arranged in the door frame 10, one end of which abuts against the second pressure sensor 802, and the other end of which penetrates through the side wall of the door frame 10 and extends out of the door frame 10, which is the same specification as the first gas spring 901 and is arranged side by side with the first gas spring 901 so that when the second door leaf 30 is closed, the first gas spring 901 is first pressed to generate a first pressure value at the first pressure sensor 801, and then the second gas spring 902 is pressed to generate a second pressure value at the second pressure sensor 802 as the second door leaf 30 continues to close. During the closing process, the first pressure value changes in the A1-A2 interval, A1 is greater than 0, and the second pressure value changes in the A3-A4 interval, A3 is greater than 0, where A2=A4, when the first pressure value reaches A1 and the second pressure value is 0, the main controller 60 controls the electromagnetic device 50 to work; when the first pressure value is between A1 and A2, and the second pressure value reaches A4, the main controller 60 controls to reduce the output current of the electromagnetic device 50; when both pressure values are A2, the door is completely closed, at this time, the main controller 60 transmits a door closing signal to the secondary controller 70, and the secondary controller 70 controls the motor to drive each lock tongue to extend.

[0056] Door lock part:

[0057] As shown in Figure 2 , 3 , 4, 5, 8, 9, the intelligent door lock comprises:

[0058] A lock shell 401;

[0059] A backing plate 402 is arranged at the side of the lock shell 401;

[0060] A main lock tongue 4051 is slidingly arranged in the lock shell 401 and can extend out of the backing plate 402, and a main push plate 405 is connected to the main lock tongue 4051, and a toothed slot 4053 is arranged on the main push plate 405;

[0061] A driving mechanism comprising a driving motor 400 and a gear box 403, the driving motor 400 is in driving connection with a gear set inside the gear box 403;

[0062] An automatic clutch gear assembly comprising a sun gear 4062, a planet gear 4063, a planet carrier 4061 and a ring gear 4064, the sun gear 4062 is a two-stage stacked gear, one stage of which is in mesh with the planet gear 4063 and the other stage is in mesh with an output gear of the gear box 403, the planet gear 4063 is in mesh with the ring gear 4064, the planet carrier 4061 is connected with the planet gear 4063 and two shift rods 4045 are arranged on the planet carrier 4061, the shift rods 4045 are located in a gear shifting slot 4053, and the outer wall of the ring gear 4064 has a transmission gear;

[0063] A sub-controller 70 connected with the driving motor 400 and connected with the main controller by electrical connection or communication, and the sub-controller 70 is supplied with power by an external power supply or a separate power supply;

[0064] A lock cylinder assembly comprising a lock cylinder, a lock cylinder gear 4091 driven by the lock cylinder, and two pinions 4092 in mesh with the lock cylinder gear 4091, the two pinions 4092 are in mesh with the transmission gear on the outside of the ring gear 4064, and the lock cylinder has a lock cylinder shift wheel outside;

[0065] An outer handle fixed to the lock shell 401;

[0066] An inner handle rotatably connected to the lock shell 401, and the rotation shaft 410 of the inner handle is connected with the sun gear 4062;

[0067] The fingerprint lock is mounted on the outer handle and connected to the secondary controller 70. The smart lock in this solution can be linked with the main controller 60 to control the electromagnetic device 50 and the opening and closing of the door. When the smart lock is working, it has three unlocking methods: Unlocking method one: The drive motor 400 drives the gearbox 403, which in turn drives the second stage gear of the sun gear 4062. The rotation of the sun gear 4062 causes the planetary carrier 4061 on the three planetary gears 4063 to rotate within the gear slots 4053 in the main push plate 405. This causes the main push plate 405 to move towards the liner plate 402, pushing the main bolt 4051 to extend or retract from the lock housing 401, simultaneously moving the side lock connecting plate 4082, and ultimately moving the side bolt and the deadbolt 4085. Unlocking method two: When the key is inserted and turned, the lock cylinder... The wheel causes the lock cylinder gear 4091 to rotate and drives the pinion 4092 to rotate. The pinion 4092 drives the gear ring 4064 to rotate. At the same time, the three planetary gears 4063 rotate around the sun gear 4062, which in turn drives the planet carrier 4061 to rotate, while the sun gear 4062 does not rotate. Unlocking method three: By rotating the inner handle, the inner handle drives the sun gear 4062 to rotate. The rotation of the sun gear 4062 causes the planet carrier 4061 on the three planetary gears 4063 to rotate in the toothed groove 4053 in the main push plate 405, thereby driving the main push plate 405 to move towards the liner plate 402, pushing the main lock tongue 4051 to extend or retract the lock shell 401, and at the same time driving the side lock connecting plate 4082 to move, ultimately driving the side lock tongue and the deadbolt 4085 to move.

[0068] Preferably, the device also includes a latch assembly 404, which includes a latch 4042 that is slidably disposed within the lock housing 401 and can extend out of the liner 402, three actuating pins 4052 disposed on the main push plate 405, and an actuating block 4043. The lock tongue is provided with a return spring and an actuating plate 4041. One side of the actuating block 4043 is provided with three arc-shaped holes 40431, and the three actuating pins 4052 are respectively located in the three arc-shaped holes 40431. The other side of the actuating block 4043 abuts against the actuating plate 4041. When the main push plate 405 slides, it drives the actuating block 4043 to rotate, thereby pushing the actuating plate 4041 to retract the lock tongue. The return spring is used to return the actuating plate 4041 after it retracts. The lock housing 401 is also provided with a first micro switch for the actuating plate 4041 to abut against after it retracts. The first micro switch is electrically connected to the secondary controller 70.

[0069] Preferably, the actuating block 4043 is provided with an actuating opening 40432, and the actuating column 4052 is provided with an actuating head 4044. The actuating head 4044 extends into the actuating opening 40432 and cooperates with the side wall of the actuating opening 40432 to drive the actuating block 4043 to rotate.

[0070] Preferably, the lock shell 401 is further provided with a safety assembly, which comprises a safety lock tongue 4074 arranged on the lock shell 401, a safety push plate connected to the safety lock tongue 4074, a safety push groove 40731 arranged on the safety push plate, a safety push shaft 4071 arranged on the lock shell 401, a safety push rod 4072 arranged on the safety push shaft 4071 and matched with the safety push groove 40731, and the safety push rod 4072 extends into the safety push groove 40731 to drive the safety lock tongue 4074 to extend or retract by rotating against. The safety push shaft 4071 is provided with a insertion hole for inserting a tool to push the safety push shaft 4071.

[0071] Preferably, the lock shell 401 is further provided with a second micro switch and a third micro switch which are electrically connected with the secondary controller 70, and the main push plate 405 abuts against the second micro switch and the third micro switch when the main push plate 405 advances or retreats to the preset position. The second micro switch and the third micro switch are used to feedback the opening or closing state of the door lock, and are used to feedback to the main controller 60. When the door lock is switched from closing to opening, the second micro switch and the third micro switch respectively generate a signal, and when the two signals are transmitted to the secondary controller 70, the secondary controller 70 transmits to the main controller 60, and the main controller 60 controls the electromagnetic device 50 to be powered off.

[0072] Preferably, the main push plate 405 is provided with a side lock structure on both sides, and the side lock structure comprises a side lock connecting plate 4082 arranged on the main push plate 405, a heaven and earth hook 4085 arranged on the side lock connecting plate 4082, a driving column 4086 arranged on the side lock connecting plate 4082, and an oblique sliding hole 4084 arranged on the heaven and earth hook 4085, and the driving column 4086 extends into the sliding hole 4084, and when the side lock connecting plate 4082 slides, the driving column 4086 acts on the heaven and earth hook 4085 to drive the heaven and earth hook 4085 to slide vertically to the movement direction of the side lock.

[0073] Preferably, the side lock comprises a side lock tongue which can extend through the lining plate 402 and a mounting plate 4083 connected with the side lock tongue, the mounting plate 4083 is connected with the side lock connecting plate 4082 through a connecting block, the mounting plate 4083 is provided with a strip-shaped limiting hole 4087, and the lock shell 401 is provided with a limiting column 4081 which extends into the limiting hole 4087 to limit the side lock tongue. The mounting plate 4083 is provided with a side lock tongue 4088.

[0074] Broken bridge heat insulation part:

[0075] As Figure 1 , 2As shown in FIGS. 7, the door frame 10 comprises a hollow front frame body 102, a hollow rear frame body 101 and a broken bridge connecting piece 01, the broken bridge connecting piece 01 connects the front frame body 102 and the rear frame body 101; the first door leaf 20 and the second door leaf 30 each comprise a front door plate 202, a rear door plate 201 and a broken bridge connecting piece 01, the broken bridge connecting piece 01 connects the front door plate 202 and the rear door plate 201, wherein the front frame body 102, the rear frame body 101, the front door plate 202 and the rear door plate 201 are all made of aluminum alloy material, and the broken bridge connecting piece 01 is made of heat insulation material. The broken bridge connecting piece 01 has a dovetail structure at both ends, which is matched with a dovetail groove on the door frame 10 or the door leaf, one of the broken bridge connecting pieces 01 in the embodiment is provided with an embedding groove and a sealing strip in the embedding groove.

[0076] Specifically, the inside of the door frame 10 has two levels of steps, and the corner of the second level of steps of the door frame 10 is provided with a first sealing strip 103; the first door leaf 20 is a stepped structure with two levels of steps, and the corners of the first level of steps on the left side, the top side and the bottom side of the first door leaf 20 are provided with a second sealing strip 104, the broken bridge connecting pieces 01 on the left side, the top side and the bottom side of the first door leaf 20 are provided with a third sealing strip 105, the corners of the second level of steps on the left side, the top side and the bottom side of the first door leaf 20 are provided with a fourth sealing strip 106, and the corner of the second level of steps on the right side of the first door leaf 20 is provided with a fifth sealing strip 107; the second door leaf 30 is a stepped structure with two levels of steps, and the corners of the first level of steps of the second door leaf 30 are provided with a sixth sealing strip 108, the broken bridge connecting pieces 01 of the second door leaf 30 are provided with a seventh sealing strip 109, and the corners of the second level of steps of the second door leaf 30 are provided with an eighth sealing strip 110; wherein the first sealing strip 103 abuts against the third sealing strip 105 and the fourth sealing strip 106; the second sealing strip 104 abuts against the door frame 10, the fifth sealing strip 107 abuts against the seventh sealing strip 109 and the eighth sealing strip 110; and the sixth sealing strip 108 abuts against the door frame 10 and the right side wall of the first door.

[0077] It should be noted that the lock core and the handle are not shown in the figure, in addition, the first door leaf 20 is provided with a bolt to fix the first door leaf 20 in a normally closed state, and the first door leaf 20 is provided with a lock hole matched with each bolt of the intelligent door lock.

[0078] The above describes the broken bridge system intelligent door provided by the present application, the principle and implementation mode of the present application are described by applying specific examples in this paper, and the above embodiment is only used to help understand the present application and the core idea. It should be pointed out that for ordinary skilled in the art, without departing from the principle of the present application, the present application can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A thermal break system smart door, comprising a door frame and a door leaf hinged to the door frame, wherein both the door frame and the door leaf are thermal break structures and a sealing strip is provided between the abutting surfaces of the door leaf and the door frame, characterized in that, The door panel includes a first door panel hinged to the left side of the door frame and a second door panel hinged to the right side of the door frame. A smart lock is installed between the first and second door panels, and a magnetic attraction device is installed between the second door panel and the door frame. The magnetic attraction device includes: The main controller is located inside the door frame and is connected to an external power source. It is either communicatively connected or electrically connected to the smart door lock. The first pressure sensor is located inside the door frame and connected to the main controller; The second pressure sensor is located inside the door frame and connected to the main controller; An electromagnetic device is installed inside the door frame and connected to the main controller via a power cord; A magnet is installed inside the second door leaf to cooperate with the magnetic field generated by the electromagnetic device to close the door; The first gas spring is slidably disposed inside the door frame, with one end abutting against the first pressure sensor and the other end penetrating through the side wall of the door frame and extending out of the door frame; The second gas spring is slidably installed inside the door frame. One end of the second gas spring abuts against the second pressure sensor, and the other end passes through the side wall of the door frame and extends outside the door frame. It has the same specifications as the first gas spring and is arranged side-by-side with it. When the second door closes, it first compresses the first gas spring, generating a first pressure value at the first pressure sensor. Then, as the second door continues to close, it compresses the second gas spring, generating a second pressure value at the second pressure sensor. During the closing process, the first pressure value varies between A1 and A2, where A1 is greater than 0. The second pressure value varies between A3 and A4, where A3 is greater than 0, and A2 = A4. When the first pressure value reaches A1 and the second pressure value is 0, the main controller controls the electromagnetic device to operate. When the first pressure value is between A1 and A2 and the second pressure value reaches A4, the main controller controls the reduction of the output current of the electromagnetic device. When both pressure values ​​are A2, the door is fully closed. At this time, the main controller transmits a door-closed signal to the secondary controller, which controls the motor to drive each latch to extend. Smart door locks include: Lock case; A liner plate is provided on the side of the lock housing; The main bolt is slidably disposed inside the lock housing and can extend out of the liner plate. A main push plate is connected to it, and the main push plate is provided with toothed grooves. The drive mechanism includes a drive motor and a gearbox, wherein the drive motor is connected to a gear set in the gearbox. An automatic clutch gear assembly includes a sun gear, planetary gears, a planet carrier, and a ring gear. The sun gear is a stacked two-stage gear, one stage of which meshes with the planetary gears and the other stage meshes with the output gear of the gearbox. The planetary gears mesh with the ring gear. The planet carrier is connected to the planetary gears and has two actuating levers located in the gear slots. The outer wall of the ring gear has transmission teeth. The secondary controller is connected to the drive motor and to the main controller via electrical or communication connections. It is powered by an external power supply or by a separate power supply. The lock housing is also equipped with a second micro switch and a third micro switch, both of which are electrically connected to the secondary controller. When the main push plate moves forward or backward to the preset position, it abuts against the second micro switch and the third micro switch respectively. The second micro switch and the third micro switch are used to provide feedback on the open or closed status of the door lock and to provide feedback to the main controller. When the door lock changes from closed to open, the second micro switch and the third micro switch each generate a signal. When the two signals are transmitted to the secondary controller, the secondary controller then transmits them to the main controller, and the main controller controls the electromagnetic device to de-energize. A lock cylinder assembly includes a lock cylinder, a lock cylinder gear driven by the lock cylinder, and two pinions meshing with the lock cylinder gear. The two pinions mesh with transmission teeth on the outside of the gear ring. External handle, which is fixed to the lock housing; The inner handle is rotatably connected to the lock housing, and its shaft is connected to the sun gear; A fingerprint lock, which is mounted on the outer handle and connected to a secondary controller.

2. The intelligent door with thermal break system according to claim 1, characterized in that, It also includes a latch assembly, which includes a latch that is slidably disposed in the lock housing and can extend out of the liner, three actuating pins and an actuating block disposed on the main push plate, a return spring and an actuating plate on the lock tongue, three arc-shaped holes on one side of the actuating block and the three actuating pins respectively located in the three arc-shaped holes, and the other side of the actuating block abuts against the actuating plate. When the main push plate slides, it drives the actuating block to rotate, thereby pushing the actuating plate to retract the lock tongue. The return spring is used to return the actuating plate to its original position after it retracts. The lock housing also has a first micro switch for the actuating plate to abut against after it retracts. The first micro switch is electrically connected to the auxiliary controller.

3. The intelligent door with thermal break system according to claim 2, characterized in that, The actuating block has an actuating opening, and the actuating column has an actuating head. The actuating head extends into the actuating opening and cooperates with the side wall of the actuating opening to drive the actuating block to rotate.

4. The intelligent door with thermal break system according to claim 1, characterized in that, The lock case is also equipped with a safety assembly, which includes a safety bolt on the lock case, a safety push plate connected to the safety bolt, a safety slot on the safety push plate, a safety pin on the lock case, and a safety lever on the safety pin that cooperates with the safety slot. The safety lever extends into the safety slot to drive the safety bolt to extend or retract by rotating and abutting.

5. The intelligent door with thermal break system according to claim 1, characterized in that, Both sides of the main push plate are equipped with side locking structures. The side locking structure includes a side locking connecting plate on the main push plate and a top and bottom hook on the side locking connecting plate. The side locking connecting plate is equipped with a drive column, and the top and bottom hooks are equipped with oblique sliding holes. The drive column extends into the sliding holes. When the side locking connecting plate slides, the drive column acts on the top and bottom hooks to drive the top and bottom hooks to slide perpendicular to the side lock movement direction.

6. The intelligent door with thermal break system according to claim 5, characterized in that, The side lock includes a side latch that can extend through the liner and a mounting plate connected to the side latch. The mounting plate and the side lock connecting plate are connected by a connecting block. The mounting plate has a strip-shaped limiting hole, and the lock housing has a limiting post. The limiting post extends into the limiting hole to limit the side latch. The mounting plate has a side latch.

7. The intelligent door with thermal break system according to claim 1, characterized in that, The door frame includes a hollow front frame, a hollow rear frame, and a thermal break connector, which connects the front and rear frames. The first and second door panels each include a front panel, a rear panel, and a thermal break connector, which connects the front and rear panels. The front frame, rear frame, front panel, and rear panel are all made of aluminum alloy, and the thermal break connector is made of heat-insulating material.

8. The intelligent door with thermal break system according to claim 7, characterized in that, The inner side of the door frame has two steps, and a first sealing strip is provided at the corner of the second step of the door frame; the first door leaf has a stepped structure with two steps, and a second sealing strip is provided at the corner of the first step on its left, top, and bottom sides, a third sealing strip is provided on the thermal break connector on its left, top, and bottom sides, a fourth sealing strip is provided at the corner of the second step on its left, top, and bottom sides, and a fifth sealing strip is provided at the corner of the second step on its right side; the second door leaf has a stepped structure with two steps, and a sixth sealing strip is provided at the corner of its first step, a seventh sealing strip is provided on its thermal break connector, and an eighth sealing strip is provided at the corner of its second step; wherein the first sealing strip abuts against the third and fourth sealing strips; the second sealing strip abuts against the door frame, the fifth sealing strip abuts against the seventh and eighth sealing strips; the sixth sealing strip abuts against the door frame and the right side wall of the first door.

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