CN219081265U

CN219081265U - Pick-proof system, pick-proof lock cylinder and intelligent door

Info

Publication number: CN219081265U
Application number: CN202320134321.5U
Authority: CN
Inventors: 赵健; 李建新; 黄燕青
Original assignee: Shanghai Imilab Technology Co Ltd
Current assignee: Shanghai Imilab Technology Co Ltd
Priority date: 2023-01-11
Filing date: 2023-01-11
Publication date: 2023-05-26
Anticipated expiration: 2033-01-11

Abstract

The utility model provides an anti-prying system, an anti-prying lock cylinder and an intelligent door. A tamper resistant system comprising: the detection circuit comprises a first detection branch and a second detection branch, and the first detection branch and/or the second detection branch are/is provided with a strain gauge; the feedback circuit comprises a first input end, a second input end and a feedback output end, the first input end is connected with the first detection branch, the second input end is connected with the second detection branch, and the feedback circuit outputs feedback voltage according to the voltage of the first input end and the voltage of the second input end; and the controller is connected with the feedback output end of the feedback circuit, is configured to output an alarm signal according to the feedback voltage and a preset threshold value, and is suitable for being connected with the intelligent lock, and the intelligent lock is configured to be locked automatically according to the alarm signal. The strain gauge is attached to the key part of the door, so that whether the door is pried or not can be monitored in real time, an alarm is given when the door is pried, and the door is locked, so that the safety protection level of the door is improved, and the door is not easy to prie.

Description

Pick-proof system, pick-proof lock cylinder and intelligent door

Technical Field

The utility model relates to the technical field of theft prevention, in particular to a prying prevention system, a prying prevention lock cylinder and an intelligent door.

Background

The intelligent door is an anti-theft door which takes an intelligent system host as a carrier, realizes a plurality of intelligent functions and can resist abnormal opening under certain conditions in a certain time. The intellectualization of the intelligent door mainly realizes the intellectualization of key components (such as locksets) of the intelligent door, wherein the intelligent door comprises various electronic anti-theft locks which are already widely used, such as fingerprint locks, coded locks and the like. Besides replacing the traditional mechanical lockset with the intelligent lockset, the intelligent door can be combined with an intelligent home system with the functions of security protection, household appliance control and the like, and can realize the functions of remote control and the like. At present, some burglary is performed by prying the door open to enter the room, but when the current intelligent door is pried, the pried intelligent door cannot be perceived, and alarming and safety protection level improvement are performed.

The matters in the background section are only those known to the inventors and do not, of course, represent prior art in the field.

Disclosure of Invention

Aiming at one or more defects in the prior art, the utility model provides an anti-prying system, an anti-prying lock cylinder and an intelligent door.

The utility model provides an anti-pry system, comprising:

the detection circuit comprises a first detection branch and a second detection branch, and the first detection branch and/or the second detection branch are/is provided with a strain gauge; and, a step of, in the first embodiment,

the feedback circuit comprises a first input end, a second input end and a feedback output end, wherein the first input end is connected with the first detection branch, the second input end is connected with the second detection branch, and the feedback circuit outputs feedback voltage according to the voltage of the first input end and the voltage of the second input end;

the controller is connected with the feedback output end of the feedback circuit, is configured to output an alarm signal according to the feedback voltage and a preset threshold value, and is suitable for being connected with an intelligent lock, and the intelligent lock is configured to be locked automatically according to the alarm signal;

when the resistance value of the strain gauge on the first detection branch is changed, the voltage of the first input end is changed; when the resistance value of the strain gauge on the second detection branch is changed, the voltage of the second input end is changed.

According to one aspect of the utility model, the first detection branch is connected in parallel with the second detection branch, two detection resistors are connected in series on the first detection branch, and two detection resistors are connected in series on the second detection branch, wherein at least one detection resistor comprises the strain gauge;

the first input end is connected between two detection resistors of the first detection branch, and the second input end is connected between two detection resistors of the second detection branch.

According to one aspect of the utility model, the feedback circuit is a voltage subtractor.

According to one aspect of the utility model, an amplifying circuit is connected between the controller and the feedback circuit, the amplifying circuit being configured to amplify the feedback voltage.

According to one aspect of the utility model, the tamper resistant system further comprises a video monitoring module connected to the controller and configured to be turned on in response to the alarm signal.

According to one aspect of the utility model, the tamper resistant system further comprises a communication module, which is connected to the controller and adapted to be communicatively connected to the user terminal, the communication module being configured to receive the alarm signal and to forward the alarm signal to the user terminal.

According to one aspect of the utility model, the tamper resistant system further comprises a gyroscopic sensor, and the controller is coupled to the gyroscopic sensor and configured to output an alarm signal based on the measured vibration equivalent of the gyroscopic sensor.

According to one aspect of the utility model, an unlocking button is arranged on the inner side of the door of the intelligent lock, and the unlocking button is used for unlocking the back lock of the intelligent lock.

The utility model also provides an anti-picking lock cylinder, comprising:

a lock cylinder body;

a tamper resistant system as described above;

the strain gauge of the anti-prying system is connected with the lock cylinder body.

The utility model also provides an intelligent door, comprising:

an intelligent door body;

a tamper resistant system as described above;

the strain gauge of the anti-prying system is connected with the intelligent door body.

Compared with the prior art, the embodiment of the utility model provides an anti-prying system, an anti-prying lock cylinder and an intelligent door. The strain gauge is attached to a key part (such as a lock cylinder) of the door, so that whether the door is pried or not can be monitored in real time, an alarm is given and the door is locked when the door is pried, the safety protection level of the door is improved, and the door is not easy to prie.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 illustrates a schematic diagram of an anti-pry system in accordance with one embodiment of the present utility model;

FIG. 2 illustrates a partial circuit diagram of a tamper resistant system in accordance with one embodiment of the present utility model;

FIG. 3 illustrates a partial circuit diagram of a tamper resistant system in accordance with another embodiment of the present utility model;

FIG. 4 shows a schematic diagram of a smart lock according to one embodiment of the utility model;

fig. 5 shows a schematic view of a tamper resistant lock cylinder according to one embodiment of the utility model.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, and may be mechanically connected, electrically connected, or may communicate with each other, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

FIG. 1 illustrates a schematic diagram of a tamper resistant system 100 in accordance with one embodiment of the present utility model, described in detail below in conjunction with FIG. 1.

As shown in fig. 1, the tamper resistant system 100 includes a detection circuit 110, a feedback circuit 120, and a controller 130. The detection circuit 110 includes a first detection branch 111 and a second detection branch 112, and strain gauges are disposed in the first detection branch 111 and/or the second detection branch 112, and when the strain gauges deform (e.g., deform due to extrusion or stretching), the resistance of the strain gauges correspondingly changes. The feedback circuit 120 includes a first input end 121, a second input end 122, and a feedback output end 123, where the first input end 121 is connected to the first detection branch 111, and when the resistance value of the strain gauge on the first detection branch 111 changes, the voltage of the first input end 121 changes accordingly; the second input end 122 is connected to the second detection branch 112, and when the resistance value of the strain gauge on the second detection branch 112 changes, the voltage of the second input end 122 changes accordingly; the feedback circuit 120 is configured to output a feedback voltage based on the voltage at the first input terminal 121 and the voltage at the second input terminal 122. The controller 130 is connected to the feedback output 123 of the feedback circuit 120, and the controller 130 is configured to output an alarm signal according to the feedback voltage and a preset threshold. The controller 130 is adapted to interface with the smart lock 170, the smart lock 170 being configured to lock itself in response to an alarm signal.

When the anti-prying system 100 is applied, the strain gauge can be fixed to a key part of the door (such as a door lock (especially a lock cylinder) and an edge of the door), when the door is pried, the strain gauge is stressed to deform and the resistance value is changed, so that the voltage of the first input end 121 and/or the second input end 122 is changed, and the feedback voltage is changed. The controller 130 may, for example, compare the feedback voltage with a preset threshold, and when the feedback voltage exceeds the preset threshold, the controller 130 outputs an alarm signal; the intelligent lock 170 is automatically locked after receiving the alarm signal, so that the safety protection level of the door can be effectively improved, and the door is not easy to pry open.

Fig. 2 shows a partial circuit diagram of the anti-prying system 100 according to an embodiment of the present utility model, as shown in fig. 2, the detection circuit 110 further includes a first power supply 113 and a ground line 114, the first detection branch 111 and the second detection branch 112 are connected in parallel between the first power supply 113 and the first ground line 114, two detection resistors R1 and R2 are connected in series to the first detection branch 111, and two detection resistors R3 and R4 are connected in series to the second detection branch 112, where the detection resistors R1, R2, R3 and R4 may include one or more resistors, and at least one of the detection resistors R1, R2, R3 and R4 includes a strain gauge as described above, and in this embodiment, the detection resistors R1, R2, R3 and R4 each include a strain gauge as an example, so as to eliminate a resistance error of the strain gauge due to factors such as ambient temperature. In other embodiments, only one of the detection resistors R1, R2, R3, R4 may be the strain gauge; the detection resistor R1 and the detection resistor R2 may each include the strain gauge, or the detection resistor R3 and the detection resistor R4 may each include the strain gauge; only one of the detection resistors R1, R2, R3, and R4 may not include the strain gauge. The first input end 121 is connected between the two detection resistors R1 and R3 of the first detection branch 111, and when the strain gauge in the detection resistors R1 and R3 is deformed, the resistance value of the corresponding detection resistor R1 and/or R3 is changed, and the voltage of the first input end 121 is changed accordingly. The second input end 122 is connected between the two detection resistors R2 and R4 of the second detection branch 112, and when the strain gauge in the detection resistors R2 and R4 is deformed, the resistance value of the corresponding detection resistor R2 and/or R4 is changed, and the voltage of the second input end 122 is changed accordingly.

According to one embodiment of the utility model, feedback circuit 120 may be a voltage subtractor. Specifically, as shown in fig. 2, the feedback circuit 120 may include a first differential amplifier 124, a first resistor R5, a second resistor R6, a third resistor R7, and a fourth resistor R8, where a positive power supply end of the first differential amplifier 124 is connected to the second power supply 125, a negative power supply end of the first differential amplifier 124 is grounded, an output end of the first differential amplifier 124 is connected to the controller 130, the first resistor R5 is connected between the first detection branch 111 and a positive input end of the first differential amplifier 124, one end of the second resistor R6 is connected between the first resistor R5 and the positive input end of the first differential amplifier 124, and the other end is grounded; the third resistor R7 is connected between the second detection branch 112 and the negative input terminal of the first differential amplifier 124, and one end of the fourth resistor R8 is connected between the third resistor R7 and the negative input terminal of the first differential amplifier 124, and the other end is connected between the output terminal of the first differential amplifier 124 and the controller 130. When the resistance of the first resistor R5 is equal to the resistance of the second resistor R6 and the resistance R7 of the third resistor is equal to the resistance of the fourth resistor R8, vout=v1-V2 (where Vout is the voltage at the output end of the first differential amplifier 124 (i.e. the feedback voltage), V1 is the voltage at the first input end 121, and V2 is the voltage at the second input end 122).

In the case where no strain gauge is deformed, the resistance values of the detection resistors R1, R2, R3, R4 are initial resistance values, and the resistance value relationship may be configured as R1: r3≡r2: r4. The voltage at the first input 121 is thus substantially the same as the voltage at the second input 122, with vout=v1-v2≡0V. When the strain gauge is extruded or stretched by external force, the resistance value of the strain gauge is changed, so that R1: r3+noter2: r4, then Vout increases, when the feedback voltage is greater than the preset threshold, the door is considered to be pried, the controller 130 sends out an alarm signal, and the intelligent lock 170 automatically locks after receiving the alarm signal.

Fig. 3 shows a partial circuit diagram of a tamper resistant system according to another embodiment of the present utility model, as shown in fig. 3, with an amplifying circuit 180 connected between the controller 130 and the feedback circuit 120. Specifically, the amplifying circuit 180 may include a second differential amplifier 181, a fifth resistor R9, and a sixth resistor R10, where a positive power supply end of the second differential amplifier 181 is connected to the second power supply 125, a negative power supply end of the second differential amplifier 181 is sequentially connected in series to the fifth resistor R9 and the sixth resistor R10, and is grounded, a positive input end of the second differential amplifier 181 is connected to an output end of the first differential amplifier 124 (i.e. connected to the feedback output end 123 of the feedback circuit 120), a negative input end of the second differential amplifier 181 is connected between the fifth resistor R9 and the sixth resistor R10, and an output end of the second differential amplifier 181 is connected to the controller 130, and by setting the amplifying circuit 180, the amplifying circuit 180 can amplify the feedback voltage (in this embodiment, the feedback voltage is (V1-V2) (r9+r10)/r10)), so as to effectively improve sensitivity and accuracy of the anti-prying system 100.

According to one embodiment of the present utility model, as shown in fig. 1, the tamper resistant system 100 may further include a video monitoring module 140, where the video monitoring module 140 is connected to the controller 130 and configured to be turned on according to an alarm signal. Video surveillance module 140 may record video for evidence when someone picks up the door, so that the user and police authority lock the suspect.

According to one embodiment of the present utility model, as shown in fig. 1, the anti-pry system 100 may further include a communication module 150, where the communication module 150 is connected to the controller 130 and adapted to be communicatively connected to a user terminal (e.g., a smart phone, a computer, a smart watch). The communication module 150 is configured to receive the alarm signal and forward the alarm signal to the user terminal to notify the user at a first time when someone is prying the door. The control module may also send the video recorded by the video monitoring module 140 to the user terminal through the communication module 150, so as to be convenient for the user to review.

According to one embodiment of the utility model, as shown in FIG. 1, the tamper resistant system 100 may also include a gyroscopic sensor 160. The controller 130 is connected to the gyro sensor 160 and configured to output an alarm signal according to the vibration equivalent measured by the gyro sensor 160.

Fig. 4 illustrates a smart lock 170 according to one embodiment of the present utility model, as shown in fig. 4, the smart lock 170 may include a reverse locking bolt (not shown), a reverse locking paddle 171, and a reverse locking motor 172. The anti-lock shifting piece 171 is configured to rotate along the first axis, gear transmission is arranged between the anti-lock shifting piece 171 and the anti-lock motor 172, when the intelligent lock 170 receives an alarm signal, the anti-lock motor 172 drives the anti-lock shifting piece 171 to rotate, and the anti-lock shifting piece 171 can drive the anti-lock bolt to lock the door reversely. An unlocking button (not shown) is provided inside the door of the smart lock 170, and the unlocking button may be a knob coupled with the unlocking dial 171, and the unlocking may be released by rotating the unlocking button. The unlocking button may also be a push button, and when the unlocking button is pressed, the unlocking motor 172 drives the unlocking knob 171 to rotate to unlock the unlocking. In other embodiments, the user may also control the lockout motor 172 to rotate the lockout tab 171 to lockout or unlock the smart lock 170 via a user terminal communicatively coupled to the smart lock 170.

Fig. 5 illustrates a tamper resistant lock cylinder 200 according to one embodiment of the present utility model, as shown in fig. 5, the tamper resistant lock cylinder 200 comprising a lock cylinder body 210 and a tamper resistant system as described above, wherein a strain gauge 220 of the tamper resistant system is connected to the lock cylinder body 210.

The utility model further provides an intelligent door. The intelligent door includes intelligent door body and pick-proof system as described above, wherein, the foil gage of pick-proof system is connected with intelligent door body, and specific foil gage can be connected at the edge of intelligent door.

Compared with the prior art, the embodiment of the utility model provides the anti-prying system 100, the anti-prying lock cylinder 200 and the intelligent door, which can monitor whether the door is pried in real time, give an alarm and perform back locking when the door is pried, improve the safety protection level of the door and ensure that the door is not pried easily.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A tamper resistant system, comprising:

2. The tamper resistant system of claim 1, wherein said first detection leg is connected in parallel with said second detection leg, said first detection leg having two detection resistors connected in series, said second detection leg having two detection resistors connected in series, wherein at least one of said detection resistors comprises said strain gauge;

3. The tamper resistant system of claim 1, wherein the feedback circuit is a voltage subtractor.

4. The tamper resistant system of claim 1, wherein an amplification circuit is connected between the controller and the feedback circuit, the amplification circuit configured to amplify the feedback voltage.

5. The tamper resistant system of claim 1, further comprising a video monitor module coupled to the controller and configured to be activated in response to the alarm signal.

6. The tamper resistant system of claim 1, further comprising a communication module coupled to the controller and adapted to be communicatively coupled to a user terminal, the communication module configured to receive the alarm signal and forward the alarm signal to the user terminal.

7. The tamper resistant system of claim 1, further comprising a gyroscopic sensor, wherein the controller is coupled to the gyroscopic sensor and configured to output an alarm signal based on a measured vibration equivalent of the gyroscopic sensor.

8. The tamper resistant system of claim 1, wherein an unlocking knob is provided on the inside of the door of the smart lock, the unlocking knob being used to unlock the counter lock of the smart lock.

9. An anti-pry lock cylinder, comprising:

a lock cylinder body;

a tamper resistant system as in any one of claims 1-8;

10. An intelligent door, characterized by comprising:

an intelligent door body;

a tamper resistant system as in any one of claims 1-8;