阅读说明：本技术 具有报警功能的智能拖鞋 (Intelligent slipper with alarm function ) 是由 叶鹏云 于 2018-09-04 设计创作，主要内容包括：本发明公开了一种具有报警功能的智能拖鞋,包括鞋体,鞋体的鞋底的内部设有电路板,电路板上设有单片机、供电电路、MEMS惯性传感单元、称重模块、振动模块和无线通信模块,鞋体的前端设有超声波测距模块,鞋体的外侧还设有照明灯、光敏模块和蜂鸣器,供电电路、MEMS惯性传感单元、称重模块、振动模块、无线通信模块、超声波测距模块、照明灯、光敏模块和蜂鸣器均与单片机连接；供电电路包括直流电源、第一电容、第一电阻至第四电阻、第一三极管、第二三极管、第二电容、第一二极管、第二二极管、线性稳压器、第三电容、低电势端口和电压输出端。本发明电路结构较为简单、成本较低、方便维护、电路的安全性和可靠性较高。(The invention discloses an intelligent slipper with an alarm function, which comprises a slipper body, wherein a circuit board is arranged inside a sole of the slipper body, a single chip microcomputer, a power supply circuit, an MEMS (micro electro mechanical system) inertial sensing unit, a weighing module, a vibration module and a wireless communication module are arranged on the circuit board, an ultrasonic ranging module is arranged at the front end of the slipper body, a lighting lamp, a photosensitive module and a buzzer are also arranged on the outer side of the slipper body, and the power supply circuit, the MEMS inertial sensing unit, the weighing module, the vibration module, the wireless communication module, the ultrasonic ranging module, the lighting lamp, the photosensitive module and the buzzer are all connected with the single chip microcomputer; the power supply circuit comprises a direct-current power supply, a first capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a first triode, a second capacitor, a first diode, a second diode, a linear voltage stabilizer, a third capacitor, a low potential port and a voltage output end. The circuit of the invention has the advantages of simple structure, low cost, convenient maintenance and high safety and reliability of the circuit.)

1. An intelligent slipper with an alarm function is characterized by comprising a slipper body, wherein a circuit board is arranged inside a sole of the slipper body, a single chip microcomputer, a power supply circuit, an MEMS inertial sensing unit, a weighing module, a vibration module and a wireless communication module are arranged on the circuit board, an ultrasonic ranging module is arranged at the front end of the slipper body, an illuminating lamp, a photosensitive module and a buzzer are further arranged on the outer side of the slipper body, and the power supply circuit, the MEMS inertial sensing unit, the weighing module, the vibration module, the wireless communication module, the ultrasonic ranging module, the illuminating lamp, the photosensitive module and the buzzer are all connected with the single chip microcomputer;

the power supply circuit comprises a direct current power supply, a first capacitor, a first resistor, a first triode, a second resistor, a second triode, a second capacitor, a first diode, a second diode, a linear voltage stabilizer, a third resistor, a fourth resistor, a third capacitor, a low potential port and a voltage output end, wherein the direct current power supply is respectively connected with one end of the first capacitor, one end of the first resistor and a collector of the second triode, the other end of the first capacitor is grounded, the other end of the first resistor is respectively connected with a collector of the first triode, a base of the second triode and one end of the second capacitor, a base of the first triode is respectively connected with the low potential port and one end of the second resistor, an emitter of the first triode is respectively connected with the other end of the second resistor and the other end of the second capacitor and grounded, an emitter of the second triode is connected with an anode of the second diode, the cathode of the second diode is connected with a VIN pin of the linear voltage stabilizer, an ADJ pin of the linear voltage stabilizer is respectively connected with one end of the third resistor and one end of the fourth resistor, the other end of the fourth resistor is grounded, a VOUT1 pin, a VOUT2 pin of the linear voltage stabilizer and the other end of the third resistor are respectively connected with the anode of the first diode, the cathode of the first diode is respectively connected with the voltage output end and one end of the third capacitor, the other end of the third capacitor is grounded, and the model of the second diode is S-183T.

2. The intelligent slippers having an alarm function according to claim 1, wherein the power supply circuit further includes a fifth resistor, one end of the fifth resistor is connected to VOUT1 pin of the linear regulator, the other end of the fifth resistor is connected to the anode of the first diode, and the resistance of the fifth resistor is 35k Ω.

3. The intelligent slippers having an alarm function according to claim 2, wherein the power supply circuit further includes a fourth capacitor, one end of the fourth capacitor is connected to the collector of the first transistor, the other end of the fourth capacitor is connected to the base of the second transistor, and the capacitance of the fourth capacitor is 420 pF.

4. The intelligent slippers with the alarm function according to claim 3, wherein the power supply circuit further includes a sixth resistor, one end of the sixth resistor is connected to the dc power supply, the other end of the sixth resistor is connected to a collector of the second transistor, and a resistance of the sixth resistor is 46k Ω.

5. The intelligent slippers having an alarm function according to any one of claims 1 to 4, wherein the first triode and the second triode are both NPN type triodes.

6. The intelligent slippers having an alarm function according to any one of claims 1 to 4, wherein the wireless communication module is a Bluetooth module, a WIFI module, a GSM module, a GPRS module, a CDMA2000 module, a WCDMA module, a TD-SCDMA module, a Zigbee module, or a LoRa module.

Technical Field

The invention relates to the field of slippers, in particular to an intelligent slipper with an alarm function.

Background

Disclosure of Invention

The technical problem to be solved by the present invention is to provide an intelligent slipper with alarm function, which has a simple circuit structure, low cost, convenient maintenance, and high circuit safety and reliability.

The technical scheme adopted by the invention for solving the technical problems is as follows: an intelligent slipper with an alarm function is constructed, and comprises a slipper body, wherein a circuit board is arranged inside a sole of the slipper body, a single chip microcomputer, a power supply circuit, an MEMS inertial sensing unit, a weighing module, a vibration module and a wireless communication module are arranged on the circuit board, an ultrasonic ranging module is arranged at the front end of the slipper body, a lighting lamp, a photosensitive module and a buzzer are further arranged on the outer side of the slipper body, and the power supply circuit, the MEMS inertial sensing unit, the weighing module, the vibration module, the wireless communication module, the ultrasonic ranging module, the lighting lamp, the photosensitive module and the buzzer are all connected with the single chip microcomputer; (ii) a

The power supply circuit comprises a direct current power supply, a first capacitor, a first resistor, a first triode, a second resistor, a second triode, a second capacitor, a first diode, a second diode, a linear voltage stabilizer, a third resistor, a fourth resistor, a third capacitor, a low potential port and a voltage output end, wherein the direct current power supply is respectively connected with one end of the first capacitor, one end of the first resistor and a collector of the second triode, the other end of the first capacitor is grounded, the other end of the first resistor is respectively connected with a collector of the first triode, a base of the second triode and one end of the second capacitor, a base of the first triode is respectively connected with the low potential port and one end of the second resistor, an emitter of the first triode is respectively connected with the other end of the second resistor and the other end of the second capacitor and grounded, an emitter of the second triode is connected with an anode of the second diode, the cathode of the second diode is connected with a VIN pin of the linear voltage stabilizer, an ADJ pin of the linear voltage stabilizer is respectively connected with one end of the third resistor and one end of the fourth resistor, the other end of the fourth resistor is grounded, a VOUT1 pin, a VOUT2 pin of the linear voltage stabilizer and the other end of the third resistor are respectively connected with the anode of the first diode, the cathode of the first diode is respectively connected with the voltage output end and one end of the third capacitor, the other end of the third capacitor is grounded, and the model of the second diode is S-183T.

In the intelligent slippers with the alarm function, the power supply circuit further comprises a fifth resistor, one end of the fifth resistor is connected with a pin VOUT1 of the linear voltage regulator, the other end of the fifth resistor is connected with an anode of the first diode, and the resistance value of the fifth resistor is 35k omega.

In the intelligent slippers with the alarm function, the power supply circuit further comprises a fourth capacitor, one end of the fourth capacitor is connected with the collector electrode of the first triode, the other end of the fourth capacitor is connected with the base electrode of the second triode, and the capacitance value of the fourth capacitor is 420 pF.

In the intelligent slippers with the alarm function, the power supply circuit further comprises a sixth resistor, one end of the sixth resistor is connected with the direct-current power supply, the other end of the sixth resistor is connected with a collector electrode of the second triode, and the resistance value of the sixth resistor is 46k omega.

In the intelligent slippers with the alarm function, the first triode and the second triode are both NPN type triodes.

In the intelligent slippers with the alarm function, the wireless communication module is a Bluetooth module, a WIFI module, a GSM module, a GPRS module, a CDMA2000 module, a WCDMA module, a TD-SCDMA module, a Zigbee module or a LoRa module.

The intelligent slippers with the alarm function have the following beneficial effects: the shoe body is arranged, the circuit board is arranged in the sole of the shoe body, and the circuit board is provided with the singlechip, the power supply circuit, the MEMS inertial sensing unit, the weighing module, the vibration module and the wireless communication module; the power supply circuit comprises a direct-current power supply, a first capacitor, a first resistor, a first triode, a second resistor, a second triode, a second capacitor, a first diode, a second diode, a linear voltage stabilizer, a third resistor, a fourth resistor, a third capacitor, a low-potential port and a voltage output end, the power supply circuit is less for the internal power supply circuit of the traditional intelligent slippers, components and parts used by the power supply circuit are fewer, and due to the fact that some components and parts are saved, the hardware cost can be reduced, in addition, the second diode is used for current-limiting protection, the circuit structure is simpler, the cost is lower, the maintenance is convenient, and the safety and the reliability of the circuit are higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of an intelligent slipper with an alarm function according to the present invention;

fig. 2 is a circuit schematic of the power supply circuit in the embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the embodiment of the intelligent slippers with the alarm function, the structural schematic diagram of the intelligent slippers with the alarm function is shown in fig. 1. In fig. 1, this intelligent slippers with alarming function includes the shoes body, the inside of the sole of the shoes body is equipped with the circuit board, be equipped with singlechip 1 on the circuit board, supply circuit 2, MEMS inertial sensing unit 3, weighing module 4, vibration module 5 and wireless communication module 6, the front end of the shoes body is equipped with ultrasonic ranging module 7, the outside of the shoes body still is equipped with light 8, photosensitive module 9 and bee calling organ 10, wherein, supply circuit 2, MEMS inertial sensing unit 3, weighing module 4, vibration module 5, wireless communication module 6, ultrasonic ranging module 7, light 8, photosensitive module 9 and bee calling organ 10 all are connected with singlechip 1.

Specifically, the MEMS inertial sensing unit 3 includes an accelerometer, a gyroscope, an IMU (inertial measurement unit), and an AHRS (including a magnetic sensor). The IMU mainly comprises three MEMS acceleration sensors, three gyroscopes and a resolving circuit. The AHRS is an IMU including three magnetic sensors, and is resolved according to a four-element method, and can directly output a pitch angle, a roll angle, and a course angle of one moving body.

The principle used by the ultrasonic ranging module 7 is that the propagation speed of ultrasonic waves in the air is known, the time of the sound waves reflected back when encountering an obstacle after being transmitted is measured, and the actual distance from a transmitting point to the obstacle is calculated according to the time difference between transmission and reception.

The vibration module 5 is used for receiving a signal sent by the singlechip 1 to carry out vibration reminding; the weighing module 4 is used for detecting the weight borne by the sole, namely detecting whether the old people wear the slippers or not, sending a result to the single chip microcomputer 1, and if the result exceeds a set threshold (for example, 40kg), waking up the single chip microcomputer 1 to enable the single chip microcomputer 1 to be changed from a sleep state to a working state; if the value does not exceed the set threshold value, the singlechip 1 is continuously in the dormant state. The MEMS inertial sensing unit 3 is used for judging whether the user is in a tumbling state or not and sending a judgment result to the single chip microcomputer 1; the photosensitive module is used for detecting the ambient illuminance, sending an ambient illuminance signal value to the singlechip 1 and the ultrasonic ranging module 7 for detecting whether an obstacle exists in a front set range (for example, 60cm) or not and sending an obstacle signal to the singlechip 1; the single chip microcomputer 1 is used for receiving a signal which is sent by the MEMS inertial sensing unit 3 and indicates whether the user is in a tumbling state, and when the single chip microcomputer 1 receives a non-tumbling signal, the MEMS inertial sensing unit 3 continues to cyclically detect the tumbling state; if a fall signal is received, an interrupt is started,

sending a buzzing instruction to the buzzer 10, starting the wireless communication module 6 through the singlechip 1, and sending an alarm instruction; the single chip microcomputer 1 is also used for receiving the obstacle signal detected by the ultrasonic ranging module 7, and sending a vibration instruction to the vibration module 5 when receiving the obstacle signal; the singlechip 1 is also used for receiving the illuminance signal sent by the photosensitive module, when the illuminance signal reaches a threshold value needing illumination, the singlechip 1 sends an illumination instruction to the illumination lamp 8, and the illumination lamp 8 is used for receiving the illumination instruction sent by the singlechip 1 and illuminating; the buzzer 10 is used for receiving the buzzing instruction sent by the singlechip 1 and giving a buzzing prompt; the wireless communication module 6 is used for receiving the falling signal sent by the singlechip 1 and prompting the guardian through short messages or voice communication.

In this embodiment, the wireless communication module 6 is a bluetooth module, a WIFI module, a GSM module, a GPRS module, a CDMA2000 module, a WCDMA module, a TD-SCDMA module, a Zigbee module, or a LoRa module. Through setting up multiple wireless communication mode, not only can increase wireless communication mode's flexibility, can also satisfy the demand of different users and different occasions. Especially, when adopting the loRa module, its communication distance is far away, and communication performance is comparatively stable, is applicable to the occasion that requires highly to communication quality.

More specifically, after the old man wears this intelligence slippers with alarming function, through weighing module 4 control ultrasonic ranging module 7's operating condition, when the old man is the gesture of standing, the pressure value surpassed the settlement threshold value (the threshold value can oneself set for) after, ultrasonic ranging module 7 starts, otherwise, ultrasonic ranging module 7 does not start to reduce the consumption. After the ultrasonic ranging module 7 is started, whether an obstacle exists in a certain range (60cm) in front or not is detected, when the obstacle exists, a high level is output, a signal is fed back to the vibration module 5, vibration occurs, and touch reminding is achieved. After the intelligent slippers with the alarm function are started, if the photosensitive module 9 detects that the external light is weak, high level is output, the illuminating lamp 8 is started, and an illuminating light source is provided.

The triaxial accelerometer in the MEMS inertial sensing unit 3 obtains original data by utilizing an I2C protocol, the acceleration value is changed into an angle signal which can be used for measuring the position of a human body after algorithm conversion, the size of the angle is circularly detected and judged, and if the angle exceeds 25 degrees and the duration exceeds 3.5s, the state of falling is judged. Meanwhile, the three-axis gyroscope is utilized, and misjudgment is avoided. After the MEMS inertial sensing unit detects that the old man falls down, the old man falls down and is processed and analyzed by the single chip microcomputer 1, the wireless communication module 6 is started, and falling down information of the old man is sent to a preset parent mobile phone through the wireless communication module 6; meanwhile, the interface of the singlechip 1 connected with the buzzer 10 outputs high level to drive the buzzer 10 to make sound.

Fig. 2 is a schematic circuit diagram of the power supply circuit in the embodiment. In fig. 2, the power supply circuit 2 includes a dc power source VCC, a first capacitor C1, a first resistor R1, a first transistor Q1, a second resistor R2, a second transistor Q2, a second capacitor C2, a first diode D1, a second diode D2, a linear regulator U1, a third resistor R3, a fourth resistor R4, a third capacitor C3, a low-potential port, and a voltage output Vo, wherein the dc power source VCC, the first resistor R1, and the second transistor Q2 are respectively connected to one end of a first capacitor C1, the other end of the first capacitor C1 is grounded, the other end of the first resistor R9 is respectively connected to a collector of the first transistor Q1, a base of the second transistor Q2, and one end of a second capacitor C2, a base of the first transistor Q1 is respectively connected to the low-potential port and one end of the second resistor R2, a base of the first transistor Q867 is respectively connected to an emitter 2 of the first transistor R1 and the second resistor R2, an emitter of the second triode Q2 is connected with an anode of a second diode D2, a cathode of the second diode D2 is connected with a VIN pin of a linear voltage regulator U1, an ADJ pin of the linear voltage regulator U1 is respectively connected with one end of a third resistor R3 and one end of a fourth resistor R4, the other end of the fourth resistor R4 is grounded, a VOUT1 pin and a VOUT2 pin of the linear voltage regulator U1 and the other end of the third resistor R3 are both connected with an anode of the first diode D1, a cathode of the first diode D1 is respectively connected with a voltage output Vo and one end of a third capacitor C3, and the other end of the third capacitor C3 is grounded.

Compared with the internal power supply circuit of the traditional intelligent slippers, the power supply circuit 2 has the advantages that the number of used components is small, the circuit structure is simple, the maintenance is convenient, and the hardware cost can be reduced due to the fact that some components are saved. In addition, the second diode D2 is a current limiting diode for current limiting protection, so that the safety and reliability of the circuit are high. It should be noted that in this embodiment, the second diode D2 has a model number S-183T, but in practical applications, other models of diodes with similar functions may be adopted as the second diode D2.

In this embodiment, the first transistor Q1, the second transistor Q2, the second capacitor C2, the first resistor R1, and the second resistor R2 form a dc voltage reduction and stabilization circuit, and the linear regulator U1, the first diode D1, the third resistor R3, the fourth resistor R4, the first capacitor C1, and the third capacitor C3 form a voltage reduction and conversion circuit. The power supply circuit adopts the first triode Q1 and the second triode Q2 as voltage reduction elements and is matched with the linear voltage stabilizer U1 to keep the voltage output by the first triode Q1 and the second triode Q2 stable, when the load power consumption changes, the changed current can synchronously reach the base electrodes of the first triode Q1 and the second triode Q2 and the current on the linear voltage stabilizer U1, and because the first triode Q1 and the second triode Q2 work in an amplification area, the current variation generated by the change of the load power consumption can be kept constant after being adjusted by the first triode Q1 and the second triode Q2, and the voltage reduction and voltage stabilization effects are realized.

In this embodiment, the first transistor Q1 and the second transistor Q2 are both NPN transistors. Of course, in practical applications, the first transistor Q1 and the second transistor Q2 may be PNP transistors, but the circuit structure is changed accordingly.

In this embodiment, the power supply circuit 2 further includes a fifth resistor R5, one end of the fifth resistor R5 is connected to the VOUT1 pin of the linear regulator U1, and the other end of the fifth resistor R5 is connected to the anode of the first diode D1. The fifth resistor R5 is a current limiting resistor for current limiting protection to further enhance the safety and reliability of the circuit. It should be noted that, in the embodiment, the resistance of the fifth resistor R5 is 35k Ω, and certainly, in practical applications, the resistance of the fifth resistor R5 may be adjusted accordingly according to specific situations.

In this embodiment, the power supply circuit 2 further includes a fourth capacitor C4, one end of the fourth capacitor C4 is connected to the collector of the first transistor Q1, and the other end of the fourth capacitor C4 is connected to the base of the second transistor Q2. The fourth capacitor C4 is a coupling capacitor for preventing interference between the first transistor Q1 and the second transistor Q2, so as to further enhance the safety and reliability of the circuit. It should be noted that in the present embodiment, the capacitance value of the fourth capacitor C4 is 420pF, and certainly, in practical applications, the capacitance value of the fourth capacitor C4 may be adjusted accordingly according to specific situations.

In this embodiment, the power supply circuit 2 further includes a sixth resistor R6, one end of the sixth resistor R6 is connected to the dc power VCC, and the other end of the sixth resistor R6 is connected to the collector of the second transistor Q2. The sixth resistor R6 is a current limiting resistor for performing current limiting protection to further enhance the current limiting effect. It should be noted that in the present embodiment, the resistance of the sixth resistor R6 is 46k Ω, and certainly, in practical applications, the resistance of the sixth resistor R6 may be adjusted accordingly according to specific situations.

In this embodiment, the single chip microcomputer 1, the MEMS inertial sensing unit 3, the weighing module 4, the vibration module 5, the ultrasonic ranging module 7, the illuminating lamp 8, the photosensitive module 9, and the buzzer 10 all adopt any structure capable of realizing functions thereof in the prior art.

In a word, in this embodiment, compared with the internal power supply circuit of the traditional intelligent slippers, the power supply circuit 2 has fewer used components, simpler circuit structure and convenient maintenance, and can reduce the hardware cost due to the fact that some components are saved. In addition, the power supply circuit 2 is provided with a current limiting diode, so that the safety and the reliability of the circuit are high.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.