CN111897368A

CN111897368A - Intelligent lifting control device, lifting urinal and lifting control method

Info

Publication number: CN111897368A
Application number: CN202010068775.8A
Authority: CN
Inventors: 鲁晓阳; 包红; 郑杰; 刚冲; 陆天翔; 何义堂
Original assignee: Hangzhou zhongce vocational school
Current assignee: Hangzhou zhongce vocational school
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-11-06

Abstract

The invention relates to an intelligent lifting control device, a lifting urinal and a lifting control method. The intelligent lifting control device comprises a central processing unit, and a human body in-place detection unit, a human body height detection unit, a lifting object height detection unit and a lifting execution mechanism which are respectively connected with the central processing unit, wherein the lifting execution mechanism is connected with a lifting object. The human body in-place detection unit detects whether a person is in front of the lifting object, the human body height detection unit detects the height of the person, the lifting object height detection unit detects the height of the lifting object, and the central processing unit integrates all detection data and drives the lifting execution mechanism to control the lifting object to be lifted to the height matched with the height of the person. The liftable urinal comprises a urinal and an intelligent lifting control device, a sliding block is arranged on the back of the urinal, a guide rail is arranged on a wall body, and a hose is connected to a water inlet and a water outlet of the urinal. The invention can automatically adjust the height of the lifting object according to the height of the user, and meets the individual requirements of individuals with different heights.

Description

Intelligent lifting control device, lifting urinal and lifting control method

Technical Field

The invention relates to lifting equipment, in particular to an intelligent lifting control device, a lifting urinal and a lifting control method.

Background

With the improvement of living standard, the comfort level of the product becomes a pursuit target of people, and the trend of product development is to meet personalized demands. Some products, such as podium, wash basin, urinal, etc., have a constant height, so that when people with different heights use the products, an embarrassing situation occurs, and the people with high heights feel that the products are too low or the people with low heights feel that the products are too high, so that the products cannot be used normally. For example, the urinal in the toilet of the activity center of teenagers is generally low, and the urinal is very inconvenient for senior male students. However, if the urinal is contained highly, the boys in the low age can not reach the urinal, and the boys can directly urinate on the ground, so that the urinal is neither civilized nor sanitary. The same phenomenon is often caused in stadiums, basketball players are generally higher, and the users can feel too low and are very inconvenient to use the urinal with the ordinary height; small audiences or shorter men can not reach the urinal of ordinary height.

Therefore, whether the height of products such as urinal, podium, wash-basin is fit for user's height, the comfortable degree that directly influences people and use, if this type of product can be according to user's height automatically regulated height, satisfy different individual individualized demands, will bring very big use enjoyment for the user.

Disclosure of Invention

In order to solve the technical problems, the invention provides an intelligent lifting control device and a lifting control method, which can automatically adjust the height of a lifting object (such as a urinal, a podium, a hand washing basin and the like) according to the height of a user, so that the height of the lifting object is matched with the height of a human body, the individual requirements of individuals with different heights are met, the intelligent lifting control device is more convenient to use and more flexible, and the use comfort is improved.

Meanwhile, the invention provides a lifting urinal which can be automatically controlled to be lifted to a height matched with the height of a human body according to the height of a user, so that tall men can not splash outside the urinal when using the lifting urinal, and short men can not urinate to the ground, and the convenience and sanitation in using the urinal are ensured.

The technical problem of the invention is mainly solved by the following technical scheme: the intelligent lifting control device comprises a central processing unit, a human body in-place detection unit, a human body height detection unit, a lifting object height detection unit, a lifting execution mechanism and a power supply unit for supplying working voltage to the whole intelligent lifting control device, wherein the human body in-place detection unit, the human body height detection unit and the lifting object height detection unit are respectively connected with the input end of the central processing unit, the output end of the central processing unit is connected with the input end of the lifting execution mechanism, and the lifting execution mechanism is connected with a lifting object. The lifting object refers to articles with different heights matched with people with different heights, such as a podium, a desk, a urinal, a hand washing sink and the like. The human body in-place detection unit detects whether a person exists in front of the lifting object, the human body height detection unit detects the height of the person standing in front of the lifting object, the lifting object height detection unit detects the height of the lifting object, detection signals are transmitted to the central processing unit, the central processing unit calculates the due height of the lifting object matched with the height of the human body through analysis and processing, the due height of the lifting object is compared with the height of the lifting object, if the detected height and the detected height are not consistent, the central processing unit sends a control signal to the lifting execution mechanism, and the lifting object is controlled to ascend or descend through the lifting execution mechanism until the height of the lifting object is consistent with the due height of the lifting object. The height of the lifting object is automatically adjusted according to the height of the user, so that the height of the lifting object is matched with the height of the human body, the individual requirements of individuals with different heights are met, the use is more convenient and more flexible, the use comfort is improved, the whole detection and adjustment process is completely and automatically completed, and the intelligent degree is high.

Preferably, the intelligent lifting control device comprises an emergency stop button, and the emergency stop button is connected with the central processing unit. When the lifting object fails to stop in the lifting process, the emergency stop button is pressed, the central processing unit sends a control signal to the lifting execution mechanism, and the lifting execution mechanism stops operating immediately, so that the lifting object is prevented from continuously rising or falling, the damage to the lifting object is avoided, the injury to a user is also avoided, and the safety is improved.

Preferably, an upper limit switch and a lower limit switch are arranged on the lifting path of the lifting object, and the upper limit switch and the lower limit switch are respectively connected with the central processing unit. The upper limit switch and the lower limit switch respectively detect whether the lifting object rises to the upper limit or falls to the lower limit, and when the lifting object reaches the upper limit or the lower limit, the central processing unit sends a control signal to the lifting execution mechanism to enable the lifting execution mechanism to stop running immediately, so that the lifting object is prevented from rising or falling continuously. The upper limit switch and the lower limit switch play a limiting role in the length of a lifting path of the lifting object, so that the lifting object is prevented from being lifted too high or lowered too low, and the lifting object is prevented from moving outside the guide rail to cause a fault.

Preferably, the intelligent lifting control device comprises a Bluetooth communication module, and the Bluetooth communication module is connected with the central processing unit. Intelligence lift control device can carry out bluetooth data communication with the cell-phone of installing intelligent lift platform APP through bluetooth communication module, through intelligent lift platform APP, can set up intelligent lift control device's type, lift mode and parameter, realizes that an intelligent lift platform APP can correspond a plurality ofly, multiple lift object, uses an intelligent lift platform APP can set up a plurality of articles for use such as podium, urinal, the pond of washing hand, and it is more convenient to use.

Preferably, the central processing unit comprises a singlechip U1, and the singlechip U1 adopts an STM32F103RBT6 singlechip; a crystal oscillator Y1 is connected between a pin 5 and a pin 6 of the singlechip U1, a series circuit of a capacitor C1 and a capacitor C2 is connected with the crystal oscillator Y1 in parallel, and a connection point of the capacitor C1 and the capacitor C2 is grounded; one path of the 7 pins of the singlechip U1 is grounded through a capacitor C4, a reset switch SW-PB is connected in parallel to the capacitor C4, the other path of the 7 pins of the singlechip U1 is connected with 3.3V of voltage through a resistor R2, 13 pins of the singlechip U1 are connected with VDDA and VSSA through a capacitor C3, 1 pin, 32 pin, 48 pin, 64 pin and 19 pin of the singlechip U1 are all connected with 3.3V of voltage, 31 pin, 47 pin, 63 pin and 18 pin of the singlechip U1 are all grounded, and 12 pin of the singlechip U1 is connected with VSSA; the human height detection unit and the lifting object height detection unit both adopt ultrasonic sensors, a pin 14 and a pin 20 of a singlechip U1 are respectively connected with a pin 3 and a pin 2 of a port P3, a pin 1 and a pin 4 of a port P3 are respectively connected with voltage 5V and ground, the port P3 is connected with the ultrasonic sensor for detecting the height of a human body, a pin 21 and a pin 23 of the singlechip U1 are respectively connected with a pin 2 and a pin 3 of a port P4, a pin 1 and a pin 4 of the port P4 are respectively connected with voltage 5V and ground, and the port P4 is connected with the ultrasonic sensor for detecting the height of a lifting object; the human body in-place detection unit adopts an infrared pyroelectric sensor, a pin 9 of the singlechip U1 is connected with a pin 2 of the interface P6, a pin 1 and a pin 3 of the interface P6 are respectively connected with 3.3V of voltage and grounded, and the interface P6 is connected with the infrared pyroelectric sensor; the lifting actuating mechanism comprises a stepping motor and a stepping motor driver, wherein a pin 8, a pin 10 and a pin 38 of the single chip microcomputer U1 are respectively connected with a pin 2, a pin 1 and a pin 3 of the interface P5, a pin 4 of the interface P5 is grounded, and the interface P5 is connected with the stepping motor driver. The components are connected through the interfaces, so that the functions are convenient to replace and expand, and the subsequent maintenance and repair are convenient.

Preferably, the power supply unit comprises a power conversion chip U2 and a light emitting diode D2, the IN pin of the power conversion chip U2 is connected with a voltage of 5V, the GND pin of the power conversion chip U2 is grounded, a capacitor C11 and a capacitor C12 are connected between the IN pin of the power conversion chip U2 and the ground terminal, the OUT pin of the power conversion chip U2 outputs a voltage of 3.3V, a capacitor C13 and a capacitor C10 are connected between the OUT pin of the power conversion chip U2 and the ground terminal, the OUT pin of the power conversion chip U2 outputs a voltage VDDA through an inductor L1, the GND pin of the power conversion chip U2 is connected with one end of the inductor L2, and the other end of the inductor L2 is a voltage VSSA; the anode of the led D2 is connected to the voltage of 3.3V through the resistor R4, and the cathode of the led D2 is grounded. The power supply unit can be powered by a battery or a mains supply through a power adapter. The technical scheme converts the direct current 5V voltage into 3.3V voltage for each circuit unit to use. The light emitting diode D2 plays a role of power supply indication, when the voltage is 3.3V, the light emitting diode D2 is lightened, otherwise, the light emitting diode D2 is extinguished.

The lifting urinal comprises a urinal body, wherein two guide rails which are arranged up and down are arranged on a wall body against which the back surface of the urinal body abuts, a plurality of sliding blocks which can slide on the guide rails are arranged on the back surface of the urinal body, the lifting execution mechanism is arranged in the wall body and is connected with a fixed rod arranged on the back surface of the urinal body, and water pipes connected to a water inlet and a water outlet of the urinal body are hoses; the human body in-place detection unit and the human body height detection unit are both installed on a ceiling of a toilet, the human body in-place detection unit and the human body height detection unit correspond to the positions where people stand when using a urinal, and the lifting object height detection unit is arranged on the wall and corresponds to the lifting path of the urinal. When the lifting execution mechanism receives a lifting instruction sent by the central processing unit, the upward or downward pushing force sent by the lifting execution mechanism acts on the fixed rod, the fixed rod acts on the urinal, and the sliding block moves up or down along the guide rail, so that the urinal is controlled to ascend or descend. The length of the hose connected to the water inlet and the water outlet can meet the length required when the urinal rises to the upper limit and falls to the lower limit. The invention can automatically control the urinal to be lifted to the height matched with the height of a human body according to the height of the user, so that tall men can not splash outside the urinal when using the urinal, and short men can not urinate onto the ground, thereby ensuring the convenience and sanitation of using the urinal.

Preferably, the lifting execution mechanism comprises a motor and a screw rod, the motor is positioned in the wall body and positioned on the ground, a rotating shaft of the motor faces upwards and is connected with the lower end of the screw rod, and the upper end of the screw rod is connected with a fixing rod on the back of the urinal. The central processing unit outputs a control signal to the motor driving circuit to control the motor to operate, and the motor drives the screw rod to rotate to control the lifting of the fixing rod, so that the lifting of the urinal is controlled. The control is convenient, and the altitude mixture control is nimble, satisfies different altitude needs.

The lifting executing mechanism can be realized by a hydraulic cylinder, a piston of the hydraulic cylinder is connected with a fixed rod, a liquid pipe connected with the hydraulic cylinder is provided with an electromagnetic valve, and the control end of the electromagnetic valve is connected with a central processing unit. The solenoid valve is opened and closed to control the lifting of the hydraulic cylinder piston, so as to control the lifting of the fixing rod, and further control the lifting of the urinal. But only two heights can be set by controlling the hydraulic cylinder, and the application range is limited.

The lifting control method comprises the following steps: the human body in-place detection unit determines whether a person stands in front of the lifting object or not by detecting the heat radiation close to the human body, if the person is detected in front of the lifting object, a detection signal is transmitted to the central processing unit, and the central processing unit starts to detect the height; the height detection unit of the human body detects the height of a person standing in front of the lifting object and transmits the height data of the human body to the central processing unit, the height detection unit of the lifting object detects the height of the lifting object and transmits the height data of the lifting object to the central processing unit, the central processing unit calculates the due height of the lifting object matched with the height of the human body through analysis and processing and compares the due height with the height of the lifting object, if the height of the lifting object is not consistent with the height of the lifting object, the central processing unit sends a control signal to the lifting executing mechanism, and the lifting object is controlled to ascend or descend by the lifting executing mechanism until the height of the lifting object is consistent with the due height of the lifting object. The height of the lifting object is automatically adjusted according to the height of the user, so that the height of the lifting object is matched with the height of the human body, the individual requirements of individuals with different heights are met, the use is more convenient and more flexible, the use comfort is improved, the whole detection and adjustment process is completely and automatically completed, and the intelligent degree is high.

Preferably, the intelligent lifting control device comprises an emergency stop button, an upper limit switch and a lower limit switch, and the emergency stop button, the upper limit switch and the lower limit switch are respectively connected with the central processing unit;

the lifting control method comprises the following steps:

when the lifting object fails to stop in the lifting process, the emergency stop button is pressed, the central processing unit sends a control signal to the lifting execution mechanism, so that the lifting execution mechanism stops running immediately, and the lifting object is prevented from continuously rising or falling;

when the upper limit switch detects that the lifting object rises to the upper limit, the central processing unit sends a signal to the central processing unit, and then the central processing unit sends a control signal to the lifting execution mechanism to enable the lifting execution mechanism to stop running immediately, so that the lifting object is prevented from rising continuously;

when the lower limit switch detects that the lifting object descends to the lower limit, the lower limit switch sends a signal to the central processing unit, and the central processing unit sends a control signal to the lifting execution mechanism to enable the lifting execution mechanism to stop running immediately, so that the lifting object is prevented from continuously descending.

Through the scram button, can manual control the object that goes up and down make it stop going up and down, avoid the trouble to continue to take place and cause the damage to the object that goes up and down, also avoid causing the injury to the user, improve the security. The upper limit switch and the lower limit switch play a limiting role in the length of a lifting path of the lifting object, the lifting object is prevented from being lifted too high or lowered too low, the lifting object is prevented from moving outside the guide rail to cause faults, and the safety and the reliability are further improved.

The invention has the beneficial effects that: the intelligent lifting control device can automatically adjust the height of a lifting object (such as a urinal, a podium, a hand sink and the like) according to the height of a user, so that the height of the lifting object is matched with the height of a human body, the individual requirements of individuals with different heights are met, the intelligent lifting control device is more convenient and flexible to use, and the use comfort is improved. The liftable urinal disclosed by the invention can be automatically controlled to be lifted to a height matched with the height of a human body according to the height of a user, so that a tall male can not splash outside the urinal when used, and a short male can not reach the urinal and can not urinate to the ground, and the convenience and sanitation in use of the urinal are ensured.

Drawings

Fig. 1 is a block diagram of a circuit principle connection structure of the intelligent lifting control device of the present invention.

Fig. 2 is a schematic circuit diagram of the intelligent lifting control device of the present invention.

Fig. 3 is a schematic side view of the liftable urinal according to the present invention.

Fig. 4 is a schematic view of a liftable urinal according to the present invention.

In the figure, 1, a central processing unit, 2, a human body in-place detection unit, 3, a human body height detection unit, 4, a lifting object height detection unit, 5, an emergency stop button, 6, an upper limit switch, 7, a lower limit switch, 8, a Bluetooth communication module, 9, a lifting execution mechanism, 10, a power supply unit, 11, a urinal, 12, a wall, 13, a guide rail, 14, a sliding block, 15, a stepping motor, 16, a screw rod, 17, a fixed rod, 18, a water pipe, 19, a sewage discharge pipe, 20, an infrared pyroelectric sensor, 21, an ultrasonic sensor for detecting the height of a human body, 22, a ceiling and 23, and an ultrasonic sensor for detecting the height of the urinal are adopted.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example (b): the intelligent lifting control device of this embodiment, as shown in fig. 1, includes a central processing unit 1, a human body in-place detection unit 2, a human body height detection unit 3, a lifting object height detection unit 4, an emergency stop button 5, an upper limit switch 6, a lower limit switch 7, a bluetooth communication module 8, a lifting execution mechanism 9, and a power supply unit 10 for providing working voltage for the whole intelligent lifting control device, the human body in-place detection unit, the human body height detection unit, the lifting object height detection unit, the emergency stop button, the upper limit switch, the lower limit switch, the bluetooth communication module and the lifting execution mechanism are respectively connected with the central processing unit, the lifting execution mechanism is connected with a lifting object, and the setting positions of the upper limit switch and the lower limit switch respectively correspond to the upper limit and the lower limit on a lifting path of the lifting object.

As shown IN fig. 2, the power supply unit 10 includes a power conversion chip U2 and a light emitting diode D2, the power conversion chip U2 employs an ASM1117 power conversion chip, an IN pin of the power conversion chip U2 is connected to 5V, a GND pin of the power conversion chip U2 is connected to ground, a capacitor C11 and a capacitor C12 are connected between the IN pin of the power conversion chip U2 and ground, an OUT pin of the power conversion chip U2 outputs 3.3V, a capacitor C13 and a capacitor C10 are connected between the OUT pin of the power conversion chip U2 and ground, the OUT pin of the power conversion chip U2 outputs VDDA through an inductor L1, the GND pin of the power conversion chip U2 is connected to one end of the inductor L2, and the other end of the inductor L2 is a voltage VSSA; the anode of the led D2 is connected to the voltage of 3.3V through the resistor R4, and the cathode of the led D2 is grounded.

The central processing unit 1 comprises a singlechip U1, and the singlechip U1 adopts an STM32F103RBT6 singlechip; a crystal oscillator Y1 is connected between a pin 5 and a pin 6 of the singlechip U1, a series circuit of a capacitor C1 and a capacitor C2 is connected with the crystal oscillator Y1 in parallel, and a connection point of the capacitor C1 and the capacitor C2 is grounded; one path of the 7 pins of the singlechip U1 is grounded through a capacitor C4, a reset switch SW-PB is connected in parallel to the capacitor C4, the other path of the 7 pins of the singlechip U1 is connected with 3.3V of voltage through a resistor R2, 13 pins of the singlechip U1 are connected with VDDA and VSSA through a capacitor C3, 1 pin, 32 pins, 48 pins, 64 pins and 19 pins of the singlechip U1 are all connected with 3.3V of voltage, 31 pins, 47 pins, 63 pins and 18 pins of the singlechip U1 are all grounded, and 12 pins of the singlechip U1 are connected with VSSA. The human height detection unit 3 and the lifting object height detection unit 4 both adopt ultrasonic sensors. The 14 feet and the 20 feet of the singlechip U1 are respectively connected with the 3 feet and the 2 feet of the interface P3, the 1 foot and the 4 foot of the interface P3 are respectively connected with the voltage 5V and the ground, the interface P3 is connected with an ultrasonic sensor for detecting the height of a human body, and the DYP-H01 ultrasonic sensor is adopted in the embodiment. The

pins

21 and 23 of the singlechip U1 are respectively connected with the

pins

2 and 3 of the interface P4, the

pins

1 and 4 of the interface P4 are respectively connected with the voltage 5V and the ground, the interface P4 is connected with an ultrasonic sensor for detecting the height of a lifting object, and the ultrasonic sensor is a US-100 ultrasonic sensor in the embodiment. The human body in-place detection unit 2 adopts an infrared pyroelectric sensor, a pin 9 of the single chip microcomputer U1 is connected with a pin 2 of the interface P6, a pin 1 and a pin 3 of the interface P6 are respectively connected with 3.3V of voltage and grounded, the interface P6 is connected with the infrared pyroelectric sensor, and the HC-SR501 infrared pyroelectric sensor is adopted in the embodiment. The Bluetooth communication module 8 adopts an ATK-HC05 Bluetooth module, pins 16 and 17 of a singlechip U1 are respectively connected with

pins

3 and 2 of an interface P2, pins 1 and 4 of an interface P2 are respectively connected with 3.3V of voltage and grounded, and the interface P2 is connected with the Bluetooth communication module. A pin 52 of the singlechip U1 is connected with a pin 2 of the interface P7, pins 1 and 3 of the interface P7 are respectively connected with a voltage of 3.3V and the ground, and the interface P7 is connected with the emergency stop button 5. The pin 51 of the single chip microcomputer U1 is connected with the pin 2 of the interface P8, the

pins

1 and 3 of the interface P8 are respectively connected with the voltage 3.3V and the ground, the interface P8 is connected with the upper limit switch 6, and the 1185RE8 limit switch is adopted in the embodiment. The pin 11 of the singlechip U1 is connected with the pin 2 of the interface P9, the

pins

1 and 3 of the interface P9 are respectively connected with the voltage 3.3V and the ground, the interface P9 is connected with the lower limit switch 7, and a 1185RE8 limit switch is adopted in this embodiment. The lifting executing mechanism 9 comprises a stepping motor and a stepping motor driver, wherein a pin 8, a pin 10 and a pin 38 of the single chip microcomputer U1 are respectively connected with a pin 2, a pin 1 and a pin 3 of the interface P5, a pin 4 of the interface P5 is grounded, and the interface P5 is connected with the stepping motor driver, and the DM860H stepping motor driver is adopted in the embodiment.

This embodiment uses with the cell-phone matching that is equipped with intelligent lift platform APP, and the cell-phone carries out the communication through the bluetooth communication module of wireless bluetooth and this device, makes this device installation and debugging modularization, standardization, and installation, debugging and maintenance are more convenient.

The lifting control method of the intelligent lifting control device comprises the following steps:

the infrared pyroelectric sensor determines whether a person stands in front of the lifting object or not by detecting the heat radiation close to the human body, if the person is detected in front of the lifting object, a detection signal is transmitted to the single chip microcomputer U1, and the single chip microcomputer starts to carry out height detection; the ultrasonic sensor for detecting the height of a human body detects the height of a person standing in front of a lifting object, the height data of the human body is transmitted to the central processing unit, the ultrasonic sensor for detecting the height of the lifting object detects the height of the lifting object and transmits the height data of the lifting object to the single chip microcomputer, the single chip microcomputer calculates the due height of the lifting object matched with the height of the human body through analysis and processing, and compares the due height with the height of the lifting object, if the due height is not consistent with the height of the lifting object, the single chip microcomputer sends a control signal to the stepping motor driver, the stepping motor works, and the lifting object is controlled to ascend or descend through the transmission mechanism until the height of the lifting object is consistent with the due height of the lifting object;

when the lifting object fails to stop in the lifting process, the emergency stop button is pressed, the single chip microcomputer sends a control signal to the stepping motor driver, and the stepping motor immediately stops running, so that the lifting object immediately stops moving;

when the upper limit switch detects that the lifting object rises to the upper limit, a signal is sent to the single chip microcomputer, and the single chip microcomputer sends a control signal to the stepping motor driver, so that the stepping motor stops running immediately, and the lifting object stops rising;

when the lower limit switch detects that the lifting object descends to the lower limit, a signal is sent to the single chip microcomputer, the single chip microcomputer sends a control signal to the stepping motor driver, the stepping motor immediately stops running, and therefore the lifting object is prevented from continuously descending.

Use above-mentioned intelligent lift control device's liftable urinal, as shown in fig. 3, as shown in fig. 4, including urinal 11 and intelligent lift control device, install two guide rails 13 that set up from top to bottom on the wall body 12 that the back of urinal supported by, the back of urinal has four to arrange into the matrix, slider 14 that can slide on the guide rail, two sliders about having on every guide rail promptly, install the lift actuating mechanism including step motor 15 and lead screw 16 in the wall body, step motor is located the wall body and is located subaerially, step motor's pivot links to each other up and with the lower extreme of lead screw, the upper end of lead screw links to each other with dead lever 17 even at the urinal back. The upper portion at the urinal back is opened there is the water inlet, and the bottom of urinal is opened there is the outlet, and the water pipe 18 that connects on the water inlet and the blow off pipe 19 that connects on the outlet are the hose, and the length of hose satisfies the urinal and rises to the upper limit and fall to the length that needs when spacing down. The infrared pyroelectric sensor 20 for detecting whether a person arrives at a target position and the ultrasonic sensor 21 for detecting the height of the human body are both installed on a ceiling 22 of a toilet, the infrared pyroelectric sensor and the ultrasonic sensor for detecting the height of the human body correspond to the position of the person standing when the urinal is used, and the ultrasonic sensor 23 for detecting the height of the urinal is installed on a wall body at the back of the urinal and corresponds to a lifting path of the urinal. The upper limit switch 6 and the lower limit switch 7 are both installed on the guide rail, and the upper limit switch and the lower limit switch correspond to the upper limit position and the lower limit position of the urinal on the guide rail respectively.

Liftable urinal working process:

the infrared pyroelectric sensor determines whether a person stands in front of the urinal or not by detecting the heat radiation close to the human body, if the person is detected in front of the urinal, a detection signal is transmitted to the single chip microcomputer, and the single chip microcomputer starts to carry out height detection; the height of a person standing in front of the urinal is detected by the ultrasonic sensor for detecting the height of the person, the height data of the person is transmitted to the central processing unit, the height of the urinal is detected by the ultrasonic sensor for detecting the height of the urinal, the height data of the urinal is transmitted to the single chip microcomputer, the single chip microcomputer analyzes and processes the height data, calculates the proper height of the urinal matched with the height of the person and compares the proper height of the urinal with the height of the urinal, if the height data and the proper height of the urinal are not consistent, the single chip microcomputer sends a control signal to the stepping motor driver, the stepping motor works to drive the lead screw to rotate, and the lead screw pushes and pulls a fixing rod on the back of the urinal to enable a sliding block on the back of the urinal to ascend or descend along the guide rail, so that the urinal is controlled to ascend or descend until;

when the urinal fails and cannot stop in the lifting process, the emergency stop button is pressed, the single chip microcomputer sends a control signal to the stepping motor driver, and the stepping motor stops running immediately, so that the urinal stops lifting or descending immediately;

when the upper limit switch detects that the urinal rises to the upper limit, a signal is sent to the singlechip, and the singlechip sends a control signal to the stepping motor driver, so that the stepping motor stops running immediately, and the urinal is prevented from rising continuously;

when lower limit switch detected that the urinal descends to lower limit, signals were given to the singlechip, then the singlechip sent control signal and give step motor driver, made step motor stop operation immediately to prevent the urinal to continue to descend.

The height of the lifting object (such as a urinal, a podium, a hand sink and the like) can be automatically adjusted according to the height of a user, so that the height of the lifting object is matched with the height of a human body, the individual requirements of individuals with different heights are met, the use is more convenient and more flexible, and the use comfort is improved.

Claims

1. The utility model provides an intelligence lift control device, its characterized in that includes central processing unit, the human detection unit that targets in place, human height detecting element, lift object height detecting element and lift actuating mechanism and the power supply unit who provides operating voltage for whole intelligence lift control device, human detection unit that targets in place, human height detecting element and lift object height detecting element link to each other with central processing unit's input respectively, central processing unit's output and lift actuating mechanism's input link to each other, lift actuating mechanism links to each other with the lift object.

2. The intelligent lift control device of claim 1, including a crash stop button, said crash stop button being connected to said central processing unit.

3. The intelligent lifting control device as claimed in claim 1 or 2, wherein an upper limit switch and a lower limit switch are arranged on the lifting path of the lifting object, and the upper limit switch and the lower limit switch are respectively connected with the central processing unit.

4. The intelligent lifting control device as claimed in claim 1 or 2, which comprises a bluetooth communication module, wherein the bluetooth communication module is connected with the central processing unit.

5. The intelligent lifting control device as claimed in claim 1, wherein the central processing unit comprises a singlechip U1, and the singlechip U1 adopts STM32F103RBT6 singlechip; a crystal oscillator Y1 is connected between a pin 5 and a pin 6 of the singlechip U1, a series circuit of a capacitor C1 and a capacitor C2 is connected with the crystal oscillator Y1 in parallel, and a connection point of the capacitor C1 and the capacitor C2 is grounded; one path of the 7 pins of the singlechip U1 is grounded through a capacitor C4, a reset switch SW-PB is connected in parallel to the capacitor C4, the other path of the 7 pins of the singlechip U1 is connected with 3.3V of voltage through a resistor R2, 13 pins of the singlechip U1 are connected with VDDA and VSSA through a capacitor C3, 1 pin, 32 pin, 48 pin, 64 pin and 19 pin of the singlechip U1 are all connected with 3.3V of voltage, 31 pin, 47 pin, 63 pin and 18 pin of the singlechip U1 are all grounded, and 12 pin of the singlechip U1 is connected with VSSA; the human height detection unit and the lifting object height detection unit both adopt ultrasonic sensors, a pin 14 and a pin 20 of a singlechip U1 are respectively connected with a pin 3 and a pin 2 of a port P3, a pin 1 and a pin 4 of a port P3 are respectively connected with voltage 5V and ground, the port P3 is connected with the ultrasonic sensor for detecting the height of a human body, a pin 21 and a pin 23 of the singlechip U1 are respectively connected with a pin 2 and a pin 3 of a port P4, a pin 1 and a pin 4 of the port P4 are respectively connected with voltage 5V and ground, and the port P4 is connected with the ultrasonic sensor for detecting the height of a lifting object; the human body in-place detection unit adopts an infrared pyroelectric sensor, a pin 9 of the singlechip U1 is connected with a pin 2 of the interface P6, a pin 1 and a pin 3 of the interface P6 are respectively connected with 3.3V of voltage and grounded, and the interface P6 is connected with the infrared pyroelectric sensor; the lifting actuating mechanism comprises a stepping motor and a stepping motor driver, wherein a pin 8, a pin 10 and a pin 38 of the single chip microcomputer U1 are respectively connected with a pin 2, a pin 1 and a pin 3 of the interface P5, a pin 4 of the interface P5 is grounded, and the interface P5 is connected with the stepping motor driver.

6. The intelligent lifting control device as claimed IN claim 1 or 5, wherein the power supply unit comprises a power conversion chip U2 and a light emitting diode D2, the IN pin of the power conversion chip U2 is connected with 5V, the GND pin of the power conversion chip U2 is connected with ground, a capacitor C11 and a capacitor C12 are connected between the IN pin of the power conversion chip U2 and the ground, the OUT pin of the power conversion chip U2 outputs 3.3V, a capacitor C13 and a capacitor C10 are connected between the OUT pin of the power conversion chip U2 and the ground, the OUT pin of the power conversion chip U2 outputs VDDA through an inductor L1, the GND pin of the power conversion chip U2 is connected with one end of the inductor L2, and the other end of the inductor L2 is connected with a voltage VSSA; the anode of the led D2 is connected to the voltage of 3.3V through the resistor R4, and the cathode of the led D2 is grounded.

7. The lifting urinal comprises a urinal body, and is characterized in that two guide rails which are arranged up and down are arranged on a wall body against which the back surface of the urinal body abuts, a plurality of sliding blocks which can slide on the guide rails are arranged on the back surface of the urinal body, a lifting actuating mechanism is arranged in the wall body, the lifting actuating mechanism is connected with a fixed rod arranged on the back surface of the urinal body, and water pipes connected with a water inlet and a water outlet of the urinal body are hoses; the human body in-place detection unit and the human body height detection unit are both installed on a ceiling of a toilet, the human body in-place detection unit and the human body height detection unit correspond to the positions where people stand when using a urinal, and the lifting object height detection unit is arranged on the wall and corresponds to the lifting path of the urinal.

8. The liftable urinal of claim 7, wherein the lifting actuator comprises a motor and a screw rod, the motor is located in the wall and on the ground, a rotating shaft of the motor faces upward and is connected with a lower end of the screw rod, and an upper end of the screw rod is connected with a fixing rod on the back of the urinal.

9. The ascending and descending control method of the intelligent ascending and descending control device according to claim 1, wherein the human body in-place detection unit determines whether a person stands in front of the ascending and descending object by detecting the heat radiation of the human body approaching, if the person is detected in front of the ascending and descending object, the detection signal is transmitted to the central processing unit, and the central processing unit starts to perform height detection; the height detection unit of the human body detects the height of a person standing in front of the lifting object and transmits the height data of the human body to the central processing unit, the height detection unit of the lifting object detects the height of the lifting object and transmits the height data of the lifting object to the central processing unit, the central processing unit calculates the due height of the lifting object matched with the height of the human body through analysis and processing and compares the due height with the height of the lifting object, if the height of the lifting object is not consistent with the height of the lifting object, the central processing unit sends a control signal to the lifting executing mechanism, and the lifting object is controlled to ascend or descend by the lifting executing mechanism until the height of the lifting object is consistent with the due height of the lifting object.

10. The lifting control method of the intelligent lifting control device according to claim 9, wherein the intelligent lifting control device comprises an emergency stop button, an upper limit switch and a lower limit switch, and the emergency stop button, the upper limit switch and the lower limit switch are respectively connected with the central processing unit;

the lifting control method comprises the following steps: