CN210222524U - Intelligent office management system - Google Patents
Intelligent office management system Download PDFInfo
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- CN210222524U CN210222524U CN201921117130.8U CN201921117130U CN210222524U CN 210222524 U CN210222524 U CN 210222524U CN 201921117130 U CN201921117130 U CN 201921117130U CN 210222524 U CN210222524 U CN 210222524U
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Abstract
The utility model discloses an intelligence official working management system, including the controller, be used for detecting the module of temperature in the drinking cup, be used for detecting the module of drinking cup number on the same day, be used for measuring the module of user's environment illumination intensity, be used for measuring the module of user's health and desktop distance, be used for recording the time timer module, alarm circuit module, keying circuit module and the display module of user's operating duration, each above-mentioned module is connected to controller difference electricity. The device can detect the water temperature in the cup and prompt a user to pay attention to drinking water when the water temperature reaches a proper drinking water temperature; the daily water intake of a user can be monitored, and the user is prompted to pay attention to water addition when the cup is lack of water; the light intensity of the user in the working environment can be measured, and the user is prompted when the light is not suitable; the distance between the body of the user and the table top can be measured, and the user is reminded when the distance is not appropriate; the working duration of the user can be recorded, and the user can give a prompt when the user sits for a long time.
Description
Technical Field
The utility model relates to an intelligence life technical field especially relates to an intelligence official working pipe-line system.
Background
With the increasingly accelerated pace of life in the modern society, office people are also under the haze cage of occupational diseases, and the office people do not only mental labor but also psychological labor under heavy pressure, so that the sub-health problem caused by the occupational diseases is also becoming serious. Therefore, the office population is most susceptible to sub-health problems. The prevention of sub-health problems of office people has attracted general attention of people, but the functions of common products on the market are relatively single, such as intelligent cups or cup mats for prompting drinking and eyesight protectors, but few products pay attention to solving the actual sub-health problems of the office people, and the problems need to be designed in a way of being connected with each other. As for the intelligent water cup, as the water cup has the function of prompting drinking water, the intelligent water cup is provided with a battery or is charged under general conditions. Thus, on the one hand, the difficulty of cleaning the cup is increased, and the cup cannot be replaced according to personal preference. At this time, the advantages of the intelligent cup mat are reflected, and with the intelligent cup mat, a user can select any type of cup or even a beverage bottle according to personal preference, and the intelligent cup mat is not limited to an intelligent cup. However, the method has certain defects, such as complicated operations like binding with a mobile phone and the like, and the defect that the user cannot be automatically prompted to pay attention to drinking at a proper temperature. For the vision protector, the eye protector mainly adopts a mode of protecting eyes during or after vision, but still has the problems of no radical cure, unobvious use effect and the like.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to solve the problems existing in the prior art, the utility model aims to provide an intelligent office management system which can remind the user of drinking water in time and carry out real-time monitoring and management on the water intake of the user, the sitting posture and the working time.
In order to achieve the above object, the utility model discloses an intelligent office management system, include:
the water temperature detection module is arranged inside the water cup and used for detecting the water temperature;
the drinking cup number detection module is horizontally arranged on the desktop and used for detecting the number of drinking cups of a user on the same day;
the light intensity measuring module is arranged on the desktop and used for measuring the illumination intensity of the environment where the user is located;
the distance measuring module is fixedly arranged on the desktop and used for measuring the distance between the body of the user and the desktop;
the timer module is arranged in the controller and used for recording the working time of the user;
the key circuit module is used for setting the working time, the optimal drinking water temperature and the proper illumination intensity range;
the alarm circuit module is used for reminding a user of drinking water in time, adjusting the light intensity, keeping the correct sitting posture and adjusting the working state;
the display module is used for displaying water temperature, light intensity, the number of drinking cups and working time;
the controller is electrically connected with each module respectively; the signal output ports of the water temperature detection module, the drinking cup number detection module, the light intensity measurement module and the distance measurement module are respectively and electrically connected with the signal input port of the controller, and the signal output port of the controller is electrically connected with the signal input ports of the alarm circuit module and the display module.
Further, the controller preferably adopts a singlechip STC89C52, and comprises a capacitor C1, a resistor R2 and a key switch K0; the RST port of the single-chip microcomputer STC89C52 is connected with a resistor R2 in series and then grounded, a node between the RST port and the resistor R2 is connected with a capacitor C1 in series and then connected with VCC, and the key switch K0 is connected to two ends of the capacitor C1 in parallel; the controller further comprises a capacitor C2, a capacitor C3, a crystal oscillator 1 and a pull-up resistor R1; the XTAL1 port of singlechip STC89C52 connects in series capacitor C3, capacitor C2 back connection director's XTAL2 port in proper order, pull-up resistance R1 is all connected to singlechip STC89C 52's VCC port, P0.0 port, P0.1 port, P0.2 port, P0.3 port, P0.4 port, P0.5 port, P0.6 port and P0.7 port, singlechip STC89C 52's VCC port connection feed end.
Furthermore, the drinking cup number detection module comprises a cup mat, an A/D converter and a pressure sensor, and the pressure sensor is fixedly arranged on the cup mat; the A/D converter preferably adopts a chip HX711, and comprises a capacitor C11, a triode Q1, a resistor R11, a resistor R12, a capacitor C12, a capacitor C13, an adjustable resistor R5, an adjustable resistor R6, an adjustable resistor R7, an adjustable resistor R8, a resistor R3, a resistor R4 and a capacitor C4; the VSUP port of the A/D converter is connected with a capacitor C11 in series and then grounded, the VSUP port and the DVDD port of the chip HX711 are connected with a VCC power supply port, the emitter of the triode Q1 is connected with a power supply terminal, the BASE of the triode Q1 is connected with the BASE port of the A/D converter, the collector of the triode Q8295 is connected with the AVDD port of the A/D converter, the collector of the triode Q12 is connected with the ground, the AVDD port of the chip HX711 is connected with a VFB port of the chip HX711 in series after a resistor R11 is connected with the VFB port of the chip HX711, the VFB port is connected with the ground after a resistor R12 in series, the AGND port of the chip HX711 is connected with the ground, the VBG port of the chip HX711 is connected with a capacitor C13 in series and then grounded, the AVDD port is connected with an adjustable resistor R5 and an adjustable resistor R6 in series after the resistor R86524, the INNA port of the chip HX711 is connected with the AGND port, the adjustable resistor R8 and the adjustable resistor R685 is connected, a node between the adjustable resistor R5 and the adjustable resistor R6 is connected with the INPA port after being connected with a resistor R4 in series, the DVDD port of the chip HX711 is connected with a power supply end, the RATE port, the XI port, the INPB port and the INNB port of the chip HX711 are grounded, the DOUT port of the chip HX711 is connected with the P3.2 port of the single-chip microcomputer STC89C52, and the PD _ SCK port of the chip HX711 is connected with the P3.3 port of the chip HX 711; the pressure sensor is a strain type pressure sensor, an E + end of the strain type pressure sensor is connected with an AVDD port of the chip HX711, an INPA port of the chip HX711 is connected behind an S + end series resistor R4, an E-end of the strain type pressure sensor is grounded, and an INNA port of the chip HX711 is connected behind an S-port series resistor R3.
Further, the alarm circuit module comprises a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a resistor R4, a resistor R5, a resistor R7, a resistor R9, a triode Q2 and a loudspeaker LS 1; the anode of the light emitting diode D1, the anode of the light emitting diode D2 and the anode of the light emitting diode D3 are all electrically connected with a power supply end, the cathode series resistor R4 of the light emitting diode D1 is connected with the port P1.4 of the singlechip STC89C52, the cathode series resistor R5 of the light emitting diode D2 is connected with the port P1.5 of the singlechip STC89C52, the cathode series resistor R7 of the light emitting diode D3 is connected with the port P1.6 of the singlechip STC89C52, the signal end of the speaker LS1 is connected with the emitter of the triode Q2, the power supply end of the speaker LS1 is connected with the power supply end, the collector of the triode Q2 is grounded, and the base of the triode Q2 is connected with the port P1.0 of the singlechip STC89C52 after being connected with the resistor R9.
Further, the ranging module comprises an HC-SR04 ultrasonic ranging sensor; the HC-SR04 ultrasonic ranging sensor is fixedly arranged on a desk, a GND port of the HC-SR04 ultrasonic ranging sensor is grounded, an Echo port is connected with a P2.4 port of the single-chip microcomputer STC89C52, a Trig port is connected with a P2.5 port of the single-chip microcomputer STC89C52, and a VCC port of the HC-SR04 ultrasonic ranging sensor is connected with a power supply end.
Further, the light intensity measuring module comprises a photoresistor R8, a resistor R10 and an A/D converter, wherein the A/D converter preferably adopts a chip ADC 0832; VCC is electrically connected to the one end of photo resistance R8, and the other end electricity is connected the CH0 port of chip ADC0832, the CS port of chip ADC0832 connects the P2.3 port of singlechip STC89C52, VCC is connected to the Vref port of chip ADC0832, the CLK port of chip ADC0832 connects the P2.0 port of singlechip STC89C52, the DO port of chip ADC0832, DI port all connect the P2.1 port of singlechip STC89C 52.
Further, the water temperature detection module comprises a DS18B20 temperature sensor, the temperature sensor is arranged in the water cup and comprises a resistor R6, a GND end of the DS18B20 temperature sensor is grounded, a DQ end of the DS18B20 temperature sensor is connected with a P2.2 port of the chip STC89C52, a VCC end of the DS18B20 temperature sensor is connected with a power supply end, and a DQ port of the DS18B20 temperature sensor is connected with a resistor R6 in series and then is connected with the power supply end.
Further, the key circuit module comprises a key K1, a key K2 and a key K3, wherein one end of each of the key K1, the key K2 and the key K3 is grounded, and the other end of each of the key K1, the key K2 and the key K3 is respectively connected with a P1.1 port, a P1.2 port and a P1.3 port of the single chip microcomputer STC89C 52.
Further, the display module preferably uses LCD1602 liquid crystal.
Compared with the prior art, the utility model discloses have as follows and show the progress: the device aims at solving the problems of obvious drinking water, eyesight and sedentariness of the office population, fundamentally prevents the generation of sub-health problems from the slight angles, and mainly has the following effects: the water temperature in the cup can be detected, and a user can be prompted to pay attention to drinking water when the water temperature reaches the proper drinking water temperature, so that the problem that the proper drinking water temperature is missed is solved; the daily water intake of a user can be monitored, the user can be helped to finish the drinking target of 8 cups of water every day, and the user is prompted to pay attention to water addition when the water in the cup is deficient, so that the problem of excessive water shortage of the body is solved; the light intensity of a user in a working environment can be measured, and the user is reminded to turn on or off the desk lamp when the light is not suitable, so that the problem of visual deterioration caused by the influence of the external light intensity is avoided; the distance between the body of the user and the table top can be measured, and the user is reminded when the distance is not suitable, so that the sitting posture correction effect is achieved, and the problem of vision deterioration caused by the fact that the sitting posture is not standard is solved; the working time of the user can be recorded, and the reminding is sent out after the user exceeds a reasonable time, so that a series of physiological problems caused by sedentariness are avoided.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic diagram of a controller;
FIG. 3 is a schematic diagram of a water temperature detection module;
FIG. 4 is a schematic diagram of a drinking cup count monitoring module;
FIG. 5 is a schematic diagram of a light intensity measurement module;
FIG. 6 is a schematic diagram of a ranging module;
FIG. 7 is a schematic diagram of an alarm circuit module;
fig. 8 is a schematic diagram of a key circuit module.
Detailed Description
The technical solution of the present invention will be further described with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
An intelligent office management system is shown in figure 1 and comprises a controller, a water temperature detection module for detecting water temperature in a water cup, a water cup number detection module for detecting the number of water cups on the same day, a light intensity measurement module for measuring the illumination intensity of the environment where a user is located, a distance measurement module for measuring the distance between the body of the user and a desktop, a timer module for recording the working time of the user, an alarm circuit module, a key circuit module and a display module, wherein the controller is electrically connected with the modules respectively.
Further, as shown in fig. 2, the controller is a single-chip microcomputer STC89C 52; the controller is characterized by comprising a capacitor C1, a resistor R2 and a key switch K0, wherein the RST port of the controller is connected with the resistor R2 in series and then grounded, the node between the RST port of the controller and the resistor R2 is connected with the capacitor C1 in series and then connected with VCC, and the key switch K0 is connected to two ends of the capacitor C1 in parallel; the controller further comprises a capacitor C2, a capacitor C3, a crystal oscillator 1 and a pull-up resistor R1, wherein an XTAL1 port of the controller is sequentially connected with a capacitor C3 and a capacitor C2 in series and then is connected with an XTAL2 port of the controller, the VCC port, the P0.0 port, the P0.1 port, the P0.2 port, the P0.3 port, the P0.4 port, the P0.5 port, the P0.6 port and the P0.7 port of the controller are all connected with the pull-up resistor R1, and the VCC port of the controller is connected with VCC for power supply; the capacitor C1 ═ 10uF, the resistor R2 ═ 2K Ω, the capacitor C2 ═ 33pF ═ the capacitor C3, and the pull-up resistor R1 ═ 4.7K Ω.
The drinking cup number detection module comprises an A/D converter, a pressure sensor and a cup mat, wherein the pressure sensor is fixedly arranged on the cup mat. The pressure sensor is preferably a strain type pressure sensor, the A/D converter is HX711 in model number, and comprises a capacitor C11, a triode Q1, a resistor R11, a resistor R12, a capacitor C12, a capacitor C13, an adjustable resistor R5, an adjustable resistor R6, an adjustable resistor R7, an adjustable resistor R8, a resistor R3, a resistor R4 and a capacitor C4. Specifically, the E + end of the pressure sensor is connected with an AVDD port of the A/D converter, the S + end of the pressure sensor is connected with an INPA port of the A/D converter after being connected with a resistor R4 in series, the E-end of the pressure sensor is grounded, and the S-port of the pressure sensor is connected with a resistor R3 in series and then is connected with an INNA port of the A/D converter.
The VSUP port of the A/D converter is connected with a capacitor C11 in series and then grounded, the VSUP port of the A/D converter and the DVDD port of the A/D converter are connected with a VCC port, the emitter of a triode Q1 is connected with VCC power supply, the BASE of a triode Q1 is connected with the BASE port of the A/D converter, the collector of a triode Q1 is connected with the AVDD port of the A/D converter, the collector of a triode Q1 is connected with the capacitor C12 in series and then grounded, the AVDD port of the A/D converter is connected with a resistor R11 in series and then connected with the VFB port of the A/D converter, the VFB port of the A/D converter is connected with a resistor R12 in series and then grounded, the AGND port of the A/D converter is grounded, the VBG port of the A/D converter is connected with a capacitor C13 in series and then grounded, the DD port of the A/D converter is connected with an adjustable resistor R5, The rear end of an adjustable resistor R7 is connected with an AVDD port of an A/D converter, a node between a resistor R3 and an adjustable resistor R7 is connected with an adjustable resistor R8 in series and then grounded, an INNA port of the A/D converter is connected with a capacitor C4 in series and then connected with an INPA port of the A/D converter, a node between the adjustable resistor R5 and an adjustable resistor R6 is connected with an INPA port of the A/D converter in series and then connected with a resistor R4, a DVDD port of the A/D converter is connected with VCC power supply, a RATE port, an XI port, an INPB port and an INNB port of the A/D converter are grounded, a DOUT port of the A/D converter is connected with a P3.2 port of a controller, and a PD _ SCK port of the A/D converter is connected with a.
In this embodiment, the capacitor C11 ═ 10uF, the triode Q1, the resistor R11 ═ 20K Ω, the resistor R12 ═ 8.2K Ω, the capacitor C12 ═ 10uF, the capacitor C13 ═ 0.1uF, the adjustable resistor R5 ═ adjustable resistor R6 ═ adjustable resistor R7 ═ adjustable resistor R8 ═ 1K Ω, the resistor R3 ═ resistor R4 ═ 1K Ω, and the capacitor C4 ═ 0.1 uF.
Further, the alarm circuit module includes a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a resistor R4, a resistor R5, a resistor R7, a resistor R9, a triode Q2, a speaker LS1, an anode of a light emitting diode D1, an anode of a light emitting diode D2, and an anode of a light emitting diode D3 are all electrically connected to the VCC power supply terminal, a cathode series resistor R4 of the light emitting diode D1 is connected to the P1.4 port of the controller, a cathode series resistor R5 of the light emitting diode D2 is connected to the P1.5 port of the controller, a cathode series resistor R7 of the light emitting diode D3 is connected to the P1.6 port of the controller, a signal terminal of the speaker LS1 is connected to an emitter of a triode Q2, a power supply terminal of the speaker LS1 is connected to the VCC power supply, a collector of the triode Q2 is grounded, and a base of the triode Q2 is connected to the P1.; the resistor R4, the resistor R5, the resistor R7, the resistor R9.
The ranging module comprises a ranging sensor which is fixedly arranged on a table, an HC-SR04 ultrasonic ranging sensor is specifically adopted, a GND port of the ranging sensor is grounded, an Echo port is connected with a P2.4 port of a single-chip microcomputer STC89C52, a Trig port is connected with a P2.5 port of a controller, and a VCC port of the ranging sensor is connected with VCC power supply.
The light intensity measuring module comprises an adjustable resistor R8, a resistor R10 and an A/D converter, the model of the A/D converter is ADC0832, one end of a photoresistor R8 is electrically connected with VCC, the other end of the photoresistor R8 is electrically connected with a CH0 port of the A/D converter, a CS port of the A/D converter is connected with a P2.3 port of the controller, a Vref port of the A/D converter is connected with VCC, a CLK port of the A/D converter is connected with a P2.0 port of the controller, and a DO port and a DI port of the A/D converter are both connected with a P2.1 port of the controller; the maximum value of the adjustable resistor R8 is 10K omega, and the resistor R10 is 10K omega.
The water temperature detection module comprises resistors R6 and a DS18B20 temperature sensor, the GND end of the temperature sensor is grounded, the DQ end of the temperature sensor is connected with the P2.2 port of the controller, the VCC end of the temperature sensor is connected with the power supply end, the DQ port of the temperature sensor is connected with the resistor R6 in series and then is connected with VCC power supply, and the resistor R6 is 10K omega.
The key circuit module comprises a key K1, a key K2 and a key K3, wherein one end of the key K1, one end of the key K2 and one end of the key K3 are all grounded, and the other ends of the key K1, the key K2 and the key K3 are respectively connected with a P1.1 port, a P1.2 port and a P1.3 port of the controller.
The display module is an LCD1602 liquid crystal.
The working process of the system is as follows:
firstly, the system is powered on, and all modules start to work simultaneously. As shown in fig. 3 and 7, in the water temperature detection module, a temperature sensor DS18B20 arranged at the bottom of the water cup transmits the information of the water temperature in the water cup to the controller through a DQ terminal, in order to reduce temperature error, a plastic cup with poor heat insulation effect can be adopted, the controller processes the acquired water temperature information and displays the temperature value through an LCD1602 liquid crystal, and when the water temperature in the water cup reaches a preset temperature value range, the controller reminds the user to drink by lighting a light emitting diode D1 in the alarm circuit.
As shown in fig. 4 and 7, in the drinking cup number monitoring module, when the drinking cup is placed on the pressure sensor, the resistances of the resistors R5 and R7 are increased under the pressure due to the strain effect, and the resistances of the resistors R6 and R8 are decreased under the pressure, so that the output voltage is changed accordingly, and the digital quantity which can be analyzed by the controller is obtained after the output voltage is processed by the a/D converter HX 711. When an empty cup is placed on a cup mat with a pressure sensor arranged inside, the quality of the empty cup is within the set cup quality range, the controller reminds a user of adding water by lightening a light emitting diode D2 in the alarm circuit, accumulates the number of drinking cups, and displays the total number of drinking cups on the LCD1602 liquid crystal so as to help the user to finish the daily drinking water target.
As shown in fig. 5 and 7, in the light intensity measuring module, the resistance of the photo resistor changes with the intensity of the irradiated light, when the intensity of the external light changes, the voltage values obtained by the photo resistor R8 and the resistor R10 are also different, the voltage on R10 is processed by the a/D converter AD0832 to obtain a digital value which can be analyzed by the controller, and the controller processes the light intensity information and displays the light intensity value through the LCD 1602. When the external light is too strong or too dark and indicates that the external light exceeds the preset light intensity range, the controller reminds a user of paying attention to the light intensity at the moment by lightening the light emitting diode D3 in the alarm circuit and enabling the buzzer to work, and the desk lamp is turned off or on so as to achieve the effect of protecting eyesight.
As shown in fig. 6 and 7, in the ultrasonic ranging module, an ultrasonic wave emitting port of the distance sensor HC-SR04 emits an ultrasonic signal to the outside and starts timing, once the ultrasonic wave is reflected when propagating in the air and hits an obstacle and is received by a receiving port, timing is stopped at this time, the distance between the body of the user and the table top is measured according to the distance between the ultrasonic wave emitting port and the obstacle obtained by calculation, the controller processes the distance information and displays the distance value through the LCD1602 liquid crystal, and when the distance is lower than a set distance range, the controller reminds the user that the body is too close to the table top by lighting the light emitting diode D3 in the alarm circuit and enabling the buzzer to work, so as to adjust the sitting posture, thereby achieving the effect of protecting eyesight.
In the timer module, the countdown of the working length can be realized by programming by utilizing the timer function in the controller, the countdown duration can be displayed by the LCD1602, and when the countdown is finished, the controller reminds a user of overlong working time by lightening the LED D3 in the alarm circuit and enabling the buzzer to work, so as to avoid taking a rest for a long time.
As shown in fig. 8, three key switches are used to modify the set values, including the working time, the optimum drinking water temperature set by the user, and the suitable light intensity range. The K1 button can start the setting mode, and after being pressed again, the cursor can be switched back and forth among the working duration, the optimal drinking water temperature and the set value of the illumination intensity, and the K2 button can increase the working duration, the optimal drinking water temperature and the set value of the illumination intensity. The K3 button can reduce the working time, the optimal drinking water temperature and the set value of the light intensity.
Claims (8)
1. An intelligent office management system, comprising:
the water temperature detection module is arranged in the water cup and used for detecting the water temperature;
the drinking cup number detection module is horizontally arranged on the desktop and used for detecting the number of drinking cups of a user;
the light intensity measuring module is arranged on the desktop and used for measuring the illumination intensity of the environment where the user is located;
the distance measuring module is arranged on the desktop and used for measuring the distance between the body of the user and the desktop;
the timer module is used for recording the working time of a user;
the key circuit module is used for setting the working time, the optimal drinking water temperature and the proper illumination intensity range;
the alarm circuit module is used for reminding a user of drinking water in time, adjusting the light intensity, keeping the correct sitting posture and adjusting the working state;
the display module is used for displaying water temperature, light intensity, the number of drinking cups and working time;
the controller is electrically connected with each module respectively; the signal output ports of the water temperature detection module, the drinking cup number detection module, the light intensity measurement module and the distance measurement module are respectively and electrically connected with the signal input port of the controller, and the signal output port of the controller is electrically connected with the signal input ports of the alarm circuit module and the display module; the timer module is arranged in the controller;
the controller adopts a singlechip STC89C52 and comprises a capacitor C1, a resistor R2 and a key switch K0; the RST port of the single-chip microcomputer STC89C52 is connected with a resistor R2 in series and then grounded, a node between the RST port and the resistor R2 is connected with a capacitor C1 in series and then connected with VCC, and the key switch K0 is connected to two ends of the capacitor C1 in parallel;
the controller further comprises a capacitor C2, a capacitor C3, a crystal oscillator 1 and a pull-up resistor R1; the XTAL1 port of singlechip STC89C52 connects in series capacitor C3, capacitor C2 back connection director's XTAL2 port in proper order, pull-up resistance R1 is all connected to singlechip STC89C 52's VCC port, P0.0 port, P0.1 port, P0.2 port, P0.3 port, P0.4 port, P0.5 port, P0.6 port and P0.7 port, singlechip STC89C 52's VCC port connection feed end.
2. The intelligent office management system of claim 1, wherein: the drinking cup number detection module comprises a cup mat, an A/D converter and a pressure sensor, and the pressure sensor is fixedly arranged on the cup mat;
the A/D converter adopts a chip HX711 and comprises a capacitor C11, a triode Q1, a resistor R11, a resistor R12, a capacitor C12, a capacitor C13, an adjustable resistor R5, an adjustable resistor R6, an adjustable resistor R7, an adjustable resistor R8, a resistor R3, a resistor R4 and a capacitor C4; the VSUP port of the A/D converter is connected with a capacitor C11 in series and then grounded, the VSUP port and the DVDD port of the chip HX711 are connected with a power supply terminal, the emitter of the triode Q1 is connected with the power supply terminal, the BASE of the triode Q1 is connected with the BASE port of the A/D converter, the collector of the triode Q8295 is connected with the AVDD port of the A/D converter, the collector of the triode Q12 is connected with the ground in series, the AVDD port of the chip HX711 is connected with a VFB port of the chip HX711 in series after a resistor R11 is connected with the VFB port of the chip HX711, the VFB port is connected with the ground after a resistor R12 in series, the AGND port of the chip HX711 is connected with the ground, the VBG port of the chip HX711 is connected with a capacitor C13 in series and then grounded, the AVDD port is connected with an adjustable resistor R5 and an adjustable resistor R6 in series, the INNA port of the chip HX711 is connected with the resistor R3 and the AVDD port after an adjustable resistor R7 is connected with the VBG port, a node between the adjustable resistor R5 and the adjustable resistor R6 is connected with the INPA port after being connected with a resistor R4 in series, the DVDD port of the chip HX711 is connected with a power supply end, the RATE port, the XI port, the INPB port and the INNB port of the chip HX711 are grounded, the DOUT port of the chip HX711 is connected with the P3.2 port of the single-chip microcomputer STC89C52, and the PD _ SCK port of the chip HX711 is connected with the P3.3 port of the chip HX 711;
the pressure sensor is a strain type pressure sensor, an E + end of the strain type pressure sensor is connected with an AVDD port of the chip HX711, an INPA port of the chip HX711 is connected behind an S + end series resistor R4, an E-end of the strain type pressure sensor is grounded, and an INNA port of the chip HX711 is connected behind an S-port series resistor R3.
3. The intelligent office management system of claim 1, wherein: the alarm circuit module comprises a light-emitting diode D1, a light-emitting diode D2, a light-emitting diode D3, a resistor R4, a resistor R5, a resistor R7, a resistor R9, a triode Q2 and a loudspeaker LS 1;
the anode of the light emitting diode D1, the anode of the light emitting diode D2 and the anode of the light emitting diode D3 are all electrically connected with a power supply end, the cathode series resistor R4 of the light emitting diode D1 is connected with the port P1.4 of the singlechip STC89C52, the cathode series resistor R5 of the light emitting diode D2 is connected with the port P1.5 of the singlechip STC89C52, the cathode series resistor R7 of the light emitting diode D3 is connected with the port P1.6 of the singlechip STC89C52, the signal end of the speaker LS1 is connected with the emitter of the triode Q2, the power supply end of the speaker LS1 is connected with the power supply end, the collector of the triode Q2 is grounded, and the base of the triode Q2 is connected with the port P1.0 of the singlechip STC89C52 after being connected with the resistor R9.
4. The intelligent office management system of claim 1, wherein: the ranging module comprises an HC-SR04 ultrasonic ranging sensor; the HC-SR04 ultrasonic ranging sensor is fixedly arranged on a table;
the GND port of the HC-SR04 ultrasonic ranging sensor is grounded, the Echo port is connected with the P2.4 port of the single-chip microcomputer STC89C52, the Trig port is connected with the P2.5 port of the single-chip microcomputer STC89C52, and the VCC port of the HC-SR04 ultrasonic ranging sensor is connected with the power supply end.
5. The intelligent office management system of claim 1, wherein: the light intensity measuring module comprises a photoresistor R8, a resistor R10 and an A/D converter, and the A/D converter adopts a chip ADC 0832; VCC is electrically connected to the one end of photo resistance R8, and the other end electricity is connected the CH0 port of chip ADC0832, the CS port of chip ADC0832 connects the P2.3 port of singlechip STC89C52, VCC is connected to the Vref port of chip ADC0832, the CLK port of chip ADC0832 connects the P2.0 port of singlechip STC89C52, the DO port of chip ADC0832, DI port all connect the P2.1 port of singlechip STC89C 52.
6. The intelligent office management system of claim 1, wherein: the water temperature detection module comprises a DS18B20 temperature sensor and a resistor R6, the GND end of the DS18B20 temperature sensor is grounded, the DQ end of the DS18B20 temperature sensor is connected with the P2.2 port of the chip STC89C52, the VCC end of the DS18B20 temperature sensor is connected with the power supply end, and the DQ port of the DS18B20 temperature sensor is connected with the power supply end after being connected with a resistor R6 in series.
7. The intelligent office management system of claim 1, wherein: the key circuit module comprises a key K1, a key K2 and a key K3, one end of each of the key K1, the key K2 and the key K3 is grounded, and the other ends of the key K1, the key K2 and the key K3 are respectively connected with a P1.1 port, a P1.2 port and a P1.3 port of the single-chip microcomputer STC89C 52.
8. The intelligent office management system of claim 1, wherein: the display module is an LCD1602 liquid crystal.
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|---|---|---|---|
| CN201921117130.8U CN210222524U (en) | 2019-07-17 | 2019-07-17 | Intelligent office management system |
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| CN201921117130.8U CN210222524U (en) | 2019-07-17 | 2019-07-17 | Intelligent office management system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112712345A (en) * | 2020-12-30 | 2021-04-27 | 北京珞安科技有限责任公司 | Intelligent employee management method, device and system and computer equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112712345A (en) * | 2020-12-30 | 2021-04-27 | 北京珞安科技有限责任公司 | Intelligent employee management method, device and system and computer equipment |
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