Multifunctional elevator outbound control circuit

Abstract

The utility model discloses a multifunctional elevator outbound control circuit, which comprises a power supply module, a main control module, an uplink key module, a downlink key module, a CAN (Controller Area Network) module and a face recognition module, the main control module is connected with the power supply module; the uplink key module and the downlink key module are respectively connected with the power supply module and the main control module; the CAN module is respectively connected with the power supply module, the main control module and the elevator control system; the face recognition module is respectively connected with the power supply module and the main control module; the main control module can send an elevator calling signal to an elevator control system through the CAN module when the face information is successfully matched; by means of the circuit, identity verification can be conducted on a user in a face recognition mode, an IC card does not need to be carried, the safety of the elevator is improved, the using convenience of the elevator is improved, and the using requirement is met.

Description

Technical Field

[0001] This utility model relates to the field of elevators, and in particular to a multifunctional elevator external call control circuit. Background Technology

[0002] Elevators are widely used in high-rise buildings, providing great convenience for users. An elevator typically consists of an elevator shaft, car, and landing doors. An external call box is installed near the landing door in the elevator lobby to call the elevator. However, existing elevator external call boxes are still relatively simple, only providing buttons for calling the elevator up and down. The elevator only starts moving after the user presses the button, resulting in a relatively long waiting time. Furthermore, in some buildings requiring identity verification, card swiping is still used, requiring users to carry their IC cards, which undoubtedly brings inconvenience. Therefore, a multi-functional elevator external call control circuit is urgently needed to solve these problems. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a multifunctional elevator external call control circuit.

[0004] The technical solution adopted by one embodiment of this utility model to solve its technical problem is: a multi-functional elevator external call control circuit, including a power module, a main control module, an up button module, a down button module, a CAN module and a face recognition module;

[0005] The power module is connected to an external power source;

[0006] The main control module is connected to the power supply module;

[0007] The uplink button module and the downlink button module are connected to the power module and the main control module, respectively, and are used to feed back uplink and downlink signals.

[0008] The CAN module is connected to the power module, the main control module, and the elevator control system, respectively.

[0009] The face recognition module is connected to the power module and the main control module respectively, and is used to collect the user's face information;

[0010] When facial information is successfully matched, the main control module can send a call signal to the elevator control system via the CAN module.

[0011] In one preferred embodiment of this utility model, the uplink button module includes an uplink button XUP, diode D9, diode D31, operational amplifier U14A, resistors R29-R30, capacitor C65, and capacitor C68. The fourth pin of the uplink button XUP is connected to one end of resistor R29 and the +24V power supply. The third pin of the uplink button XUP is connected to the OUT_U terminal. The other end of resistor R29 is connected to the cathode of diode D9 and the second pin of the uplink button XUP. The anode of diode D9 is connected to... The cathode of transistor D31, one end of resistor R30, one end of capacitor C68, and the input terminal of operational amplifier U14A are connected. The other end of resistor R30 is connected to the +3.3V power supply. The power supply terminal of operational amplifier U14A is connected to one end of capacitor C65 and the +5V power supply. The output terminal of operational amplifier U14A is connected to the main control module. The ground terminal of operational amplifier U14A, the other end of capacitor C65, the other end of capacitor C68, the other end of diode D31, and the first pin of the up button XUP are grounded.

[0012] As a preferred embodiment of the present invention, a multi-functional elevator external call control circuit further includes a touch display module connected to the power supply module and the main control module respectively.

[0013] As a preferred embodiment of the present invention, a multifunctional elevator external call control circuit further includes an NFC module connected to the power supply module and the main control module respectively.

[0014] As one of the preferred embodiments of this utility model, a multi-functional elevator external call control circuit also includes a Bluetooth module connected to the power supply module and the main control module respectively.

[0015] As one of the preferred embodiments of this utility model, a multi-functional elevator external call control circuit also includes a proximity module connected to the power supply module and the main control module respectively, for detecting whether a user is approaching.

[0016] As one of the preferred embodiments of this utility model, a multi-functional elevator external call control circuit also includes a gesture control module connected to the power supply module and the main control module respectively, for detecting the user's gesture actions.

[0017] As one of the preferred embodiments of this utility model, a multi-functional elevator external call control circuit also includes a speaker module connected to the power supply module and the main control module respectively.

[0018] As one of the preferred embodiments of this utility model, a multi-functional elevator external call control circuit also includes a TF card module connected to the power supply module and the main control module respectively.

[0019] As one of the preferred embodiments of this utility model, a multi-functional elevator external call control circuit also includes a debugging interface module that is connected to the power supply module and the main control module respectively.

[0020] The beneficial effects of this utility model are as follows: A multifunctional elevator external call control circuit includes a power supply module, a main control module, an up button module, a down button module, a CAN module, and a face recognition module; the power supply module is connected to an external power source; the main control module is connected to the power supply module; the up button module and the down button module are respectively connected to the power supply module and the main control module for feedback of up and down signals; the CAN module is connected to the power supply module, the main control module, and the elevator control system; the face recognition module is connected to the power supply module and the main control module for collecting the user's facial information; the main control module can send a call signal to the elevator control system via the CAN module when the facial information is successfully matched; the above circuit enables user authentication via face recognition, eliminating the need for an IC card, thus improving elevator security and ease of use, and meeting user needs. Attached Figure Description

[0021] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0022] Figure 1 This is a schematic diagram of a multifunctional elevator external call control circuit.

[0023] Figure 2 This is the circuit schematic of the power module;

[0024] Figure 3 This is the circuit schematic diagram of the first part of the main control module;

[0025] Figure 4 This is the circuit schematic diagram of the second part of the main control module;

[0026] Figure 5 This is the circuit schematic of the third part of the main control module;

[0027] Figure 6 This is the circuit schematic of the CAN module;

[0028] Figure 7 This is the circuit schematic of a face recognition module;

[0029] Figure 8 This is the circuit schematic of the touch display module;

[0030] Figure 9 This is the circuit schematic of the button module;

[0031] Figure 10This is the circuit schematic of the NFC module;

[0032] Figure 11 This is the circuit schematic of the Bluetooth module;

[0033] Figure 12 The circuit schematic for the proximity module;

[0034] Figure 13 This is the circuit schematic of the gesture control module;

[0035] Figure 14 This is the circuit schematic of the speaker module;

[0036] Figure 15 This is the circuit schematic of the TF card module;

[0037] Figure 16 The circuit schematic for debugging the interface module;

[0038] Figure 17 The circuit schematic for reserving an interface module. Detailed Implementation

[0039] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0040] In the description of this utility model, "multiple" means two or more; "greater than," "less than," and "exceeding" are understood to exclude the stated number; "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of indicated technical features or their sequential relationship.

[0041] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0042] In this utility model, unless otherwise explicitly defined, the terms "setting," "installing," and "connecting" should be interpreted broadly. For example, they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0043] Reference Figures 1 to 17 A multi-functional elevator external call control circuit includes a power supply module 10, a main control module 20, an up button module 31, a down button module 32, a CAN module 40, and a face recognition module 50.

[0044] Power module 10 is connected to an external power source;

[0045] The main control module 20 is connected to the power supply module 10;

[0046] The uplink button module 31 and the downlink button module 32 are connected to the power module 10 and the main control module 20, respectively, and are used to feed back uplink and downlink signals.

[0047] The CAN module 40 is connected to the power module 10, the main control module 20, and the elevator control system, respectively.

[0048] The face recognition module 50 is connected to the power module 10 and the main control module 20 respectively, and is used to collect the user's face information;

[0049] When the facial information is successfully matched, the main control module 20 can send a call signal to the elevator control system via the CAN module 40.

[0050] In this invention, the external call control circuit is installed in the external call box in the elevator lobby. The power module 10 is connected to an AC power source to provide a suitable operating voltage for the subsequent circuits. The CAN module 40 connects to the elevator control system for data exchange between the external call box and the elevator control system. The up button module 31 and down button module 32 provide the user's up and down signals, respectively, facilitating the elevator control system to schedule the optimal elevator. The main control module 20 or the elevator control system has pre-set valid facial information. The facial recognition module 50 is installed on the external call box and can collect the facial information of users in the elevator lobby. The main control module 20 or the elevator control system matches the facial information collected by the facial recognition module 50 with the stored valid facial information. If the match fails, it is ignored; if the match succeeds, a call signal is sent to the elevator control system via the CAN module 40 based on the user's up or down signal, and the elevator control system schedules the optimal elevator to the user's floor.

[0051] Reference Figure 1 and Figure 7 In some possible embodiments, the face recognition module 50 includes a face recognition camera XFACE, transistors Q1-Q2, a MOSFET M1, resistors R6, resistors R10-R12, resistors R65-R67, capacitor C15, and capacitor C23. The base of transistor Q1 is connected to one end of resistor R11 and one end of resistor R12. The other end of resistor R11 is connected to the main control module 20. The collector of transistor Q1 is connected to one end of resistor R6, one end of resistor R10, and one end of capacitor C23. The other end of resistor R6 is connected to the +5V power supply, one end of capacitor C15, one end of resistor R65, one end of resistor R66, and the MOSFET M1. The source of transistor Q2 is connected, the other end of capacitor C15 is connected to the other end of resistor R66, one end of resistor R67 is connected to the gate of MOSFET Q2, the other end of resistor R67 is connected to the collector of transistor Q2, the other end of resistor R10 is connected to the base of transistor Q2, the drain of MOSFET Q2 is connected to one end of resistor R65 and the first pin of XFACE face recognition camera, the second and third pins of XFACE face recognition camera are connected to main control module 20, and the fourth pin of XFACE face recognition camera, the emitter of transistor Q2, the emitter of transistor Q1, the other end of capacitor C23 and the other end of resistor R12 are grounded.

[0052] Specifically, the main control module 20 controls the power supply path between the +5V power supply and the first pin (power pin) of the XFACE face recognition camera by controlling the conduction states of transistors Q1, Q2, and MOSFET Q2, thereby enabling and disabling the face recognition function. The data collected by the XFACE face recognition camera is fed back to the main control module 20 through the second and third pins for matching. It should be noted that the XFACE face recognition camera can use existing face recognition modules, which will not be elaborated here and should not be considered as a limitation of this utility model.

[0053] Reference Figure 1 and Figure 12In some possible embodiments, a multi-functional elevator call control circuit further includes a proximity module 81 connected to the power module 10 and the main control module 20 respectively, for detecting whether a user is approaching; specifically, the proximity module 81 includes a proximity sensor XVL53 and resistors R68-R69. The sixth pin of the proximity sensor XVL53 is connected to the +3.3V power supply, the fifth pin of the proximity sensor XVL53 is grounded, the fourth pin of the proximity sensor XVL53 is connected to the I2C1_SCL terminal via resistor R68, and the third pin of the proximity sensor XVL53 is connected to the I2C1_SCL terminal via resistor R69. The 2C1_SDA pin is connected, the second pin of the XVL53 proximity sensor is connected to the XSHAT pin, and the first pin of the XVL53 proximity sensor is connected to the GPIO_VL pin. Specifically, the XVL53 proximity sensor is used to detect whether a user is approaching the call box. The XVL53 proximity sensor can be an infrared sensor, radar sensor, or pyroelectric human body sensor, etc. When the XVL53 proximity sensor detects a user approaching, it can take corresponding actions, for example, referring to... Figure 1 and Figure 8 In some possible embodiments, a multi-functional elevator call control circuit also includes a touch display module 60 connected to the power module 10 and the main control module 20 respectively, which can automatically wake up and light up the touch display screen when a user is detected approaching, thus improving the user experience of the call box.

[0054] Reference Figure 1 and Figure 9In some possible embodiments, the uplink button module 31 includes an uplink button XUP, diodes D9 and D31, operational amplifier U14A, resistors R29-R30, capacitors C65 and C68. The fourth pin of the uplink button XUP is connected to one end of resistor R29 and the +24V power supply. The third pin of the uplink button XUP is connected to the OUT_U terminal. The other end of resistor R29 is connected to the cathode of diode D9 and the second pin of the uplink button XUP. The anode of diode D9 is connected to the cathode of diode D31, one end of resistor R30, one end of capacitor C68, and the input terminal of operational amplifier U14A. The other end of resistor R30 is connected to the +3.3V power supply. Operational amplifier U14A... The power supply terminals are connected to one end of capacitor C65 and the +5V power supply, respectively. The output terminal of operational amplifier U14A is connected to the main control module 20. The ground terminal of operational amplifier U14A, the other end of capacitor C65, the other end of capacitor C68, the other end of diode D31, and the first pin of the up button XUP are grounded. Furthermore, the up button module 31, down button module 32, fire alarm button module 33, elevator lock button module 34, and FREEIO button module 35 constitute the button module. Among them, the down button module 32 is used to provide feedback on the down signal, the fire alarm button module 33 is used to trigger the fire alarm signal, the elevator lock button module 34 is used to lock the elevator in an emergency, and the FREEIO button module 35 is used for functional expansion.

[0055] Reference Figure 1 and Figure 10 In some possible embodiments, a multi-functional elevator external call control circuit also includes an NFC module 71 connected to the power module 10 and the main control module 20 respectively, for identifying NFC cards and enabling card-based identity recognition.

[0056] Reference Figure 1 and Figure 11 In some possible embodiments, a multi-functional elevator call control circuit also includes a Bluetooth module 72 connected to the power module 10 and the main control module 20 respectively.

[0057] Reference Figure 1 and Figure 13 In some possible embodiments, a multi-functional elevator call control circuit also includes a gesture control module 82 connected to the power module 10 and the main control module 20 respectively, for detecting the user's gestures; for example, after the user's identity is verified, the system can detect whether the user is waving upwards or downwards to determine whether it is an upward or downward signal, eliminating the need to press buttons, improving the convenience of use, and realizing contactless elevator ride.

[0058] Reference Figure 1 and Figure 14In some possible embodiments, a multi-functional elevator call control circuit also includes a speaker module 91 connected to the power module 10 and the main control module 20 respectively.

[0059] Reference Figure 1 and Figure 15 In some possible embodiments, a multi-functional elevator external call control circuit also includes a TF card module 92 connected to the power module 10 and the main control module 20 respectively.

[0060] Reference Figure 1 and Figure 16 In some possible embodiments, a multi-functional elevator external call control circuit also includes a debugging interface module 93 that is connected to the power supply module 10 and the main control module 20 respectively.

[0061] Reference Figure 1 and Figure 17 In some possible embodiments, a multi-functional elevator external call control circuit also includes a reserved interface module 94 connected to the power module 10 and the main control module 20 respectively, for expanding the functions of the external call box and meeting more usage needs.

[0062] The advantages of this invention are: the above circuit enables user authentication via facial recognition, eliminating the need for an IC card, which not only improves elevator security but also enhances the convenience of elevator use, thus meeting user needs.

[0063] Of course, this utility model is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of this utility model. All such equivalent modifications and substitutions are included within the scope defined by the claims of this application.

Claims

1. A multi-functional elevator external call control circuit, characterized in that: It includes a power module (10), a main control module (20), an uplink button module (31), a downlink button module (32), a CAN module (40), and a face recognition module (50); The power module (10) is connected to an external power source; The main control module (20) is connected to the power supply module (10); The uplink button module (31) and downlink button module (32) are respectively connected to the power module (10) and the main control module (20) for feeding back uplink and downlink signals; The CAN module (40) is connected to the power module (10), the main control module (20) and the elevator control system respectively; The face recognition module (50) is connected to the power module (10) and the main control module (20) respectively, and is used to collect the user's face information; The main control module (20) can send a call signal to the elevator control system through the CAN module (40) when the face information is successfully matched.

2. The multifunctional elevator external call control circuit according to claim 1, characterized in that: The uplink button module (31) includes an uplink button XUP, diode D9, diode D31, operational amplifier U14A, resistors R29-R30, capacitor C65, and capacitor C68. The fourth pin of the uplink button XUP is connected to one end of resistor R29 and the +24V power supply. The third pin of the uplink button XUP is connected to the OUT_U terminal. The other end of resistor R29 is connected to the cathode of diode D9 and the second pin of the uplink button XUP. The anode of diode D9 is connected to the cathode of diode D31. One end of resistor R30, one end of capacitor C68, and the input terminal of operational amplifier U14A are connected. The other end of resistor R30 is connected to power supply +3.3V. The power supply terminal of operational amplifier U14A is connected to one end of capacitor C65 and power supply +5V respectively. The output terminal of operational amplifier U14A is connected to the main control module (20). The ground terminal of operational amplifier U14A, the other end of capacitor C65, the other end of capacitor C68, the other end of diode D31, and the first pin of the up button XUP are grounded.

3. The multifunctional elevator external call control circuit according to claim 1, characterized in that: It also includes a touch display module (60) that is connected to the power module (10) and the main control module (20) respectively.

4. The multi-functional elevator external call control circuit according to claim 1, characterized in that: It also includes an NFC module (71) that is connected to the power module (10) and the main control module (20) respectively.

5. A multi-functional elevator external call control circuit according to claim 1, characterized in that: It also includes a Bluetooth module (72) that is connected to the power module (10) and the main control module (20) respectively.

6. The multifunctional elevator external call control circuit according to claim 1, characterized in that: It also includes a proximity module (81) connected to the power module (10) and the main control module (20) respectively, for detecting whether a user is approaching.

7. A multi-functional elevator external call control circuit according to claim 1, characterized in that: It also includes a gesture control module (82) connected to the power module (10) and the main control module (20) respectively, for detecting the user's gesture actions.

8. A multi-functional elevator external call control circuit according to claim 1, characterized in that: It also includes a speaker module (91) that is connected to the power module (10) and the main control module (20) respectively.

9. A multi-functional elevator external call control circuit according to claim 1, characterized in that: It also includes a TF card module (92) that is connected to the power module (10) and the main control module (20) respectively.

10. A multi-functional elevator external call control circuit according to claim 1, characterized in that: It also includes a debugging interface module (93) that is connected to the power module (10) and the main control module (20) respectively.

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