CN210742233U - Simple multifunctional container - Google Patents
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- CN210742233U CN210742233U CN201921527127.3U CN201921527127U CN210742233U CN 210742233 U CN210742233 U CN 210742233U CN 201921527127 U CN201921527127 U CN 201921527127U CN 210742233 U CN210742233 U CN 210742233U
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Abstract
The utility model provides a simple multifunctional container, a singlechip control module detects the transparency of opaque liquid in a transparent container through a liquid detection module; the single chip microcomputer control module detects the PH value of the liquid in the transparent container through the PH value detection module; the single chip microcomputer control module detects the conductivity value of the liquid in the transparent container through the conductivity detection module; the single chip microcomputer control module detects the height value of liquid in the transparent container through the liquid level height detection module. The simple multifunctional container adopts a laser ranging sensor to measure the liquid level of the measured liquid. A load cell is used to measure the weight of the liquid. Adopts a ph sensor to distinguish the white vinegar. The conductivity sensor is used to distinguish the saline. Adopts a laser correlation photoelectric switch to distinguish the milk. The simple multifunctional container can detect the transparency of the liquid, the pH value of the liquid, the conductivity value of the liquid, the height value of the liquid, the weight value of the liquid and other information.
Description
Technical Field
The utility model relates to a liquid is called and is adorned experimental technical field, especially relates to a simple and easy multi-functional container.
Background
At present, when some liquids are tested, the types, names, attribute information and the like of the liquids need to be identified. Such as pure water, salt water, milk and white vinegar. If the tester does not know the type, name and attribute information of the liquid, other test media are usually searched for discrimination. Or screening may be performed by some experimental means. Therefore, the efficiency of the test process is influenced, and test media and equipment are additionally added. The type, name and attribute information of the liquid to be identified cannot be known in the first time.
When the unknown liquid is identified, multiple tests are needed, or multiple different related media are introduced for verification, so that the timeliness is poor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough among the above-mentioned prior art, the utility model provides a simple and easy multi-functional container, include: a transparent container and a data processing terminal;
the data processing terminal is provided with a liquid detection module, a pH value detection module, a conductivity detection module, a single chip microcomputer control module and a display circuit module;
the upper end of the transparent container is provided with a liquid level height detection module;
the display circuit module, the liquid detection module, the PH value detection module, the conductivity detection module and the liquid level height detection module are respectively connected with the single chip microcomputer control module;
the single chip microcomputer control module detects the transparency of the opaque liquid in the transparent container through the liquid detection module and displays the liquid through the display circuit module;
the single chip microcomputer control module detects the PH value of the liquid in the transparent container through the PH value detection module and displays the PH value through the display circuit module;
the single chip microcomputer control module detects the conductivity value of the liquid in the transparent container through the conductivity detection module and displays the conductivity value through the display circuit module;
the single chip microcomputer control module detects the height value of liquid in the transparent container through the liquid level height detection module and displays the height value through the display circuit module.
It is further noted that a base is arranged at the bottom of the transparent container, and the transparent container is arranged on the base;
the base is provided with a weighing sensor module;
the weighing sensor module is connected with the single chip microcomputer control module;
the single chip microcomputer control module detects the weight value of the liquid in the transparent container through the weighing sensor module and displays the weight value through the display circuit module.
It should be further noted that the data processing terminal is further provided with a signal processing module;
the liquid detection module is connected with the singlechip control module through the signal processing module.
According to the technical scheme, the utility model has the advantages of it is following:
the simple multifunctional container adopts a laser ranging sensor to measure the liquid level of the measured liquid. A load cell is used to measure the weight of the liquid. Adopts a ph sensor to distinguish the white vinegar. The conductivity sensor is used to distinguish the saline. Adopts a laser correlation photoelectric switch to distinguish the milk. The simple multifunctional container can detect the transparency of liquid, the pH value of the liquid, the conductivity value of the liquid, the height value of the liquid, the weight value of the liquid and other information, and the problems that when unknown liquid is identified, multiple tests are needed or multiple different related media are introduced to verify, and the timeliness is poor are solved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a simple multi-purpose container;
FIG. 2 is a schematic view of an embodiment of a simple multi-purpose container;
FIG. 3 is a conversion circuit diagram;
FIG. 4 is a schematic view of an embodiment of a load cell module.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all 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 scope of protection of this patent.
The utility model provides a simple and easy multi-functional container, as shown in fig. 1 to 4, include: a transparent container 1 and a data processing terminal 2;
the data processing terminal 2 is provided with a liquid detection module 8, a PH value detection module 6, a conductivity detection module 7, a singlechip control module 3 and a display circuit module 4;
the upper end of the transparent container 1 is provided with a liquid level height detection module 5; the liquid level height detection module 5 detects the liquid level height in the liquid level direction.
The display circuit module 4, the liquid detection module 8, the PH value detection module 6, the conductivity detection module 7 and the liquid level height detection module 5 are respectively connected with the single-chip microcomputer control module 3; the single chip microcomputer control module 3 detects the transparency of the opaque liquid in the transparent container through the liquid detection module 8 and displays the liquid through the display circuit module 4;
the single chip microcomputer control module 3 detects the PH value of the liquid in the transparent container 1 through the PH value detection module 6 and displays the PH value through the display circuit module 4; the single chip microcomputer control module 3 detects the conductivity value of the liquid in the transparent container 1 through the conductivity detection module 7 and displays the conductivity value through the display circuit module 4; the single chip microcomputer control module 3 detects the height value of the liquid in the transparent container 1 through the liquid level height detection module 5 and displays the height value through the display circuit module 4.
The bottom of the transparent container 1 of the utility model is provided with a base 11, and the transparent container 1 is arranged on the base 11; the base 11 is provided with a weighing sensor module 9; the weighing sensor module 9 is connected with the single chip microcomputer control module 3; the single chip microcomputer control module 3 detects the weight value of the liquid in the transparent container 1 through the weighing sensor module 9 and displays the weight value through the display circuit module 4. The weighing of the liquid inside the transparent container 1 can be achieved. The base 11 is provided with a turntable 16, which can realize the rotary stirring of the liquid in the transparent container 1.
The simple multifunctional container can automatically measure parameters such as liquid level, weight and the like of given liquid; the type of the given liquid, such as purified water, salt water, milk, white vinegar and the like, can be judged, and the measurement data can be displayed. The following functions can be realized:
1 can detect parameters such as liquid level, weight and the like, and can display the detection result. The absolute value of the absolute error of the liquid level measurement is less than 2 mm; the absolute value of the absolute error of the weight measurement is less than 1 g.
2 can distinguish between brines of different concentrations.
3, according to the liquid characteristics, four liquid types of purified water, saline water, milk and white vinegar can be distinguished.
The utility model discloses in, measure liquid weight through weighing sensor, can peel the operation to the container. Adopt laser range finding sensor to measure liquid level height, adopt PH and detect white vinegar liquid, adopt conductivity sensor to judge the salt solution of different concentrations, adopt laser correlation switch to detect milk opaque judgement whether for milk, through 3.2 cun TFT liquid crystal display weight and liquid level value and show different liquid types.
The single chip microcomputer control module 3 can adopt an 80C 51-core STC series single chip microcomputer, is provided with two 16-bit timing counters, two external interrupts and two timer interrupts, and is provided with 4 8-bit parallel input ports. The system performance acquisition system of 80C51 can be used as a control core.
Or an STM32F407ZGT6 series single chip microcomputer is adopted, an STM32F4 series is based on the latest ARM Cortex M4 inner core, the running speed can reach 168MHz, a signal processing function is added in the existing STM32 microcontroller product combination, and peripheral resources are rich. STM32F407ZGT6 single-chip microcomputer and FPU
32 bit
The M4CPU, the self-adaptive real-time accelerator for realizing the zero-waiting state running performance in the Flash memory, the main frequency of the CPU is up to 168MHz, the MPU can realize the performance of up to 210DMIPS/1.25DMIPS/MHz (Dhrystone 2.1), and the CPU has a DSP instruction set.
As the utility model provides a liquid level height detection module 5 can adopt ultrasonic ranging sensor, through sending and receiving the ultrasonic wave, utilizes time difference and sound propagation speed, and the propagation speed of ultrasonic wave in the air is v, measures the time difference △ t of transmission and receipt echo according to the record, just can calculate the distance s of transmission point apart from the barrier, but the ultrasonic transmission is the sector, and when the ultrasonic wave process part space was narrow and small, it is inaccurate to easily receive the interference measurement.
The liquid level height detection module 5 can also adopt a drop-in liquid level sensor, based on the principle that the static pressure of the measured liquid is proportional to the height of the liquid, an isolated diffused silicon sensitive element or a ceramic capacitance pressure sensitive sensor is adopted to convert the static pressure into an electric signal, and the electric signal is converted into a standard electric signal through temperature compensation and linear correction, but the precision of the electric signal is easily influenced by external factors.
The liquid level height detection module 5 may further include a laser ranging sensor for amplitude-modulating a laser beam with a frequency of a radio band and measuring a phase delay generated once by the modulated light from the measuring line to the measuring line, and then converting a distance represented by the phase delay according to a wavelength of the modulated light. Namely, the time required by light passing through a round trip measuring line is measured by an indirect method, the target distance is determined by measuring the time required by laser to round trip the target, and the design requirement can be met due to higher precision.
The display circuit module 4 adopts eight-bit common cathode LED nixie tubes for displaying, utilizes the working mode of a shift register of a serial port of the singlechip to be externally connected with an MAX7219 serial input common cathode display driver, and each piece can drive 8 LED nixie tubes. But the nixie tube has small display information amount and large power consumption.
And a 3.2-inch TFT touch screen can be adopted to display characters such as Arabic numerals, Chinese characters and the like, and liquid crystal display is more and more widely applied to various display occasions along with the development of semiconductor technology. The large visible area and the more vivid color.
The utility model also comprises a power circuit; the power supply circuit adopts 5V and 12V power supplies to respectively supply power to the single chip microcomputer control module and each electrical element.
The power circuit can adopt a switching power supply, and has the advantages of small volume, high efficiency, light weight, wide voltage stabilizing range and high conversion rate. Or a linear direct current stabilized power supply is adopted, so that the ripple voltage is small and the voltage is stable. But the conversion efficiency is lower, the heating is easy, the volume is larger, and the carrying is inconvenient.
As the utility model provides a single chip microcomputer control module uses STM32F407ZGT6 singlechip as the control core, adopts the liquid level height that laser ranging sensor surveyed liquid, measures the weight of liquid with weighing sensor, judges the kind of liquid according to the liquid characteristic with PH value sensor, laser correlation photoelectric switch and conductivity sensor.
As the utility model provides a liquid level height detection module 5's liquid level height analysis calculation mode does: the method comprises the steps of modulating the amplitude of a laser beam by using a phase type measuring laser range finder, measuring the phase delay generated by one time of a modulated light round trip measuring line, and converting the distance represented by the phase delay according to the wavelength of the modulated light so as to measure the time required by the round trip of the light.
If the angular frequency of the modulated light is omega, the phase delay generated by one round trip over the distance D to be measured is
The corresponding time t can be expressed as:
the substituted D ═ ct/2 formula can be expressed as
In the formula:
c-the propagation velocity of light in the atmosphere;
the total phase delay produced once by the signal round-trip-measuring line
ω — angular frequency of the modulation signal, ω 2 π f; u-unit length, value equal to 1/4 modulation wavelength
N is the number of half-wavelength modulation included in the measuring line;
Delta N is the fractional part of the modulation wave less than half wavelength contained in the measuring line,
as the utility model provides a weighing sensor module 9 adopts resistance strain gage bridge formula weighing sensor, and weighing sensor passes through HX711 integrated circuit HX711 output signal to through IIC agreement and 3 communication connection of single chip microcomputer control module. HX711 operating voltage 2.6-5.5V, SOP-16 package of 16 pins. By adopting the sea core technology integrated circuit patent technology, the resistance strain gauge bridge type weighing sensor is a 24-bit A/D converter chip specially designed for a high-precision electronic scale. The resistance strain gauge bridge type weighing sensor integrates peripheral circuits required by other chips of the same type, such as a voltage-stabilized power supply, an on-chip clock oscillator and the like, and has the advantages of high integration level, high response speed, strong anti-interference performance and the like. The cost of the whole electronic scale is reduced, and the performance and the reliability of the whole electronic scale are improved.
The full-scale output voltage of the weighing sensor HX711+5kg is equal to excitation voltage multiplied by sensitivity 1.0 mv/v.
For example: the supply voltage is 5v times the sensitivity 1.0 mv/v-full scale 5 mv. Corresponding to a voltage of 5mV generated when 5Kg of gravity is generated.
The channel A of the HX711 module has 128 times signal gain, the voltage of 5mV can be amplified by 128 times, then 24bit AD conversion value is sampled and output, and the single chip microcomputer reads out 24bit data through a specified time sequence.
Step 1: calculating sensor supply voltage
HX711 can generate VAVDD and AGND voltages, i.e., the E + and E-voltages on the 711 module. This voltage is calculated by VAVDD ═ VBG (R1+ R2)/R2. VBG is the module reference voltage 1.25V, R1 ═ 20K, R2 ═ 8.2K, and therefore VAVDD ═ 4.3V. To reduce power consumption, the voltage is only output at the sampling instant.
Step 2: calculating the maximum AD output
The maximum output voltage of the sensor of 5kg at a supply voltage of 4.3V is 4.3V 1 mV/V4.3 mV.
After 128 times of amplification, the maximum voltage is 4.3mV, 128-550.4 mV, and the maximum 24bit digital value output after AD conversion is as follows: 550.4mV 224/4.3V 2147483.
As the conductivity detection module 7 in the utility model adopts a Saitong RS485 type liquid conductivity transmitter ST-YT-EC-20K.
The Saitong RS485 type liquid conductivity transmitter ST-YT-EC-20K is suitable for measuring the conductivity value of the water body, and is calibrated by comparing with a German original high-precision sensor, so that the precision is high, the response is fast, and the output is stable. Long-term electrolysis resistance, corrosion resistance, vacuumizing encapsulation and complete water resistance. Is suitable for various places, in particular for water quality monitoring, sewage treatment and other places.
The device has the advantages that the working voltage is 12-24VDC, the average power consumption is 150mW, the conductivity range is 0-20000 muS/cm, the conductivity precision is +/-3%, the conductivity resolution is 1 muS/cm, the response time is less than 1S, the protection level is IP68, the output signal is an RS485modbus protocol, the device is suitable for measuring the conductivity of the water body, the precision is high, the response is fast, the output is stable, and the saline water can be distinguished according to the fact that the conductivity of the saline water is different from other.
The conductivity sensor is a sensor used for measuring the conductivity of various solutions such as ultrapure water, pure water, drinking water, sewage and the like or the concentration of ions in the whole water standard in the fields of laboratories, industrial production and detection, and can be used for detecting brine in design according to the difference between the conductivity of the brine and other liquids.
TABLE 1 liquid characteristics of the various liquids
As the PH value detection module 6 in the utility model adopts a BHT-D type PH value collector, and is provided with a low-noise shielding wire;
BHT-D type PH value collector, low noise shielding wire 800mm, fiber salt bridge are used for routine PH value measurement in laboratory. The hydrogen ion glass electrode and the reference electrode form a primary battery, and the hydrogen ion concentration in the solution is detected by measuring the potential difference between the electrodes in the process of ion exchange between the glass film and the hydrogen ions in the solution to be detected, so that the PH value of the liquid to be detected is measured, and then the white vinegar is distinguished.
The BHT-D type PH value collector adopts a double-high-resistance three-electrode system, and has the characteristics of on-line one-key calibration, real-time temperature compensation, electrode quality alarm during calibration, power-down protection, high measurement precision, quick response, long service life and the like, and the calibration result and the preset data are not lost due to shutdown or power failure. The humanized online one-key calibration function is convenient for a user to regularly calibrate and correct the electrode, and can effectively complete the processes of conversion, processing and the like of measurement data by combining the functions of temperature compensation and power-down protection. The product has small volume, light weight and easy installation and maintenance, 5V power supply, can simultaneously output 1-3V and 0.4-2V standard linear analog signals or serial output digital signals at the PH value and the temperature, and is convenient for users to carry out secondary development.
PH value collector parameters: rated voltage: DC 5V; rated current is 20 mA; the PH range is 0.00-14.00 PH; pH sensitivity of 0.01 pH; temperature range: -20 to 80 ℃; measuring the temperature: plus or minus 0.5 ℃; the storage condition is that no dew condensation exists below 95% rh at 0-50 ℃.
The BHT-D type PH value is composed of a PH probe and a serial transmitter module, the PH probe is connected with the serial transmitter through a BNC head, and the serial transmitter is connected with the single chip microcomputer through Tx and Rx.
The data processing terminal 2 in the utility model is also provided with a signal processing module 12; the liquid detection module 8 is connected with the singlechip control module 3 through a signal processing module 12. The signal processing module 12 can perform filtering and amplifying processing on the transparency data of the liquid, so as to avoid external signal interference.
The liquid detection module 8 adopts a laser correlation switch; the laser correlation switch includes: a receiver 13 and a transmitter 14; the laser correlation photoelectric switch adopts E3F-20C 1E 3F20L, the working voltage is 6-36VDC, the reaction frequency is 120Hz, the load current is 200mAMAX, and the laser is red visible laser and is 640-650 nm.
Since the laser correlation switch outputs a high level of 12V and a low level of 0V when the power supply voltage is 12V, a conversion circuit needs to be used to output a 5V high level signal.
The data processing terminal 2 is also provided with a conversion circuit; the output of the conversion circuit is a 5V high-level signal to supply power to the laser correlation photoelectric switch;
the conversion circuit includes: the LED driving circuit comprises a first connecting end H1, a second connecting end H2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a capacitor C1, a capacitor C2, an operational amplifier U1, a triode Q1 and a light-emitting diode D1; the laser correlation photoelectric switch is connected with the first connecting end H1; the second end of the first connecting end H1 is connected with a power supply, the first end of the first connecting end H1 is respectively connected with the second end of the second connecting end H2, the first end of a resistor R1, the first end of a capacitor C1 and the negative input end of an operational amplifier U1; the second end of the resistor R1, the second end of the capacitor C1 and the first end of the second connection end H2 are respectively grounded; the positive input end of the operational amplifier U1 is respectively connected with the first end of a resistor R3, the first end of a capacitor C2 and the second end of a resistor R2; the first end of the resistor R2 is connected with the sliding end of the resistor R8; the resistor R8 has a first end connected with a power supply and a second end connected with the ground; the second end of the capacitor C2 is grounded; the second end of the resistor R3 is respectively connected with the output end of the operational amplifier U1, the first end of the resistor R5, the second end of the resistor R4 and the first end of the resistor R6; the second end of the resistor R6 is grounded; a first end of the resistor R4 is connected with a power supply; the second end of the resistor R5 is connected with the base of a triode Q1; the emitter of the triode Q1 is grounded; the collector of the triode Q1 is respectively connected with the output end of the conversion circuit, the first end of the resistor R7 and the cathode of the light-emitting diode D1, and the anode of the light-emitting diode D1 is connected with the power supply through the resistor R9; the second end of the resistor R7 is connected with the power supply.
The utility model discloses in the test condition who relates to: in order to ensure the measurement precision and accuracy, the sight line of the simple multifunctional container is level with the lowest position of the liquid level when the container is horizontally placed for reading, and a glass cup is used for stirring the liquid by using a rubber head dropper when the liquid is added. And whether the line connection is accurate or not is detected, and the line connection is ensured to be fault-free.
The test can accurately measure the parameters of liquid level, weight and the like of the liquid, and the parameters are as shown in the following table.
Table 2 the liquid level height and weight unit of purified water and white vinegar were measured: millimeter and gram
The liquid level measurement and the weight measurement can be within the required error.
Table 3 the level and weight units of purified water, milk are measured: millimeter and gram
It is possible to distinguish between different concentrations of brine and display the name of the second measurement.
Table 4 measures brine concentration and shows brine category units: g/ml
Can distinguish pure water, salt water and the like according to the liquid characteristics.
TABLE 5 discrimination of liquid types
| Kind of liquid to be measured | Measuring method | Displaying test categories |
| Purified water | Conductivity sensor | Purified water |
| Salt water | Conductivity sensor | Salt water |
| Milk | Laser correlation photoelectric switch | Milk |
| White vinegar | Ph sensor | White vinegar |
| White sugar water | Weighing sensor | White sugar water |
Can distinguish pure water from white sugar water.
TABLE 6 pure water of white sugar solution
| Kind of liquid to be measured | Indicating the type of liquid |
| Purified water | Purified water |
| White sugar water | White sugar water |
As the utility model discloses preferred embodiment can increase voice module, can play liquid names such as pure water, white sugar water according to the demand of difference. A key module 17 may be further included to enable a user to input and output information.
The simple multifunctional container adopts a laser ranging sensor to measure the liquid level of the measured liquid. A load cell is used to measure the weight of the liquid. A PH value detection module is adopted to distinguish the white vinegar. The conductivity sensor is used to distinguish the saline. Adopts a laser correlation photoelectric switch to distinguish the milk.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A simple multi-functional container, comprising: a transparent container (1) and a data processing terminal (2);
the data processing terminal (2) is provided with a liquid detection module (8), a PH value detection module (6), a conductivity detection module (7), a single-chip microcomputer control module (3) and a display circuit module (4);
the upper end of the transparent container (1) is provided with a liquid level height detection module (5);
the display circuit module (4), the liquid detection module (8), the PH value detection module (6), the conductivity detection module (7) and the liquid level height detection module (5) are respectively connected with the single-chip microcomputer control module (3);
the single chip microcomputer control module (3) detects the transparency of the opaque liquid in the transparent container through the liquid detection module (8) and displays the liquid through the display circuit module (4);
the single chip microcomputer control module (3) detects the PH value of the liquid in the transparent container (1) through the PH value detection module (6) and displays the PH value through the display circuit module (4);
the single chip microcomputer control module (3) detects the conductivity value of the liquid in the transparent container (1) through the conductivity detection module (7) and displays the conductivity value through the display circuit module (4);
the single chip microcomputer control module (3) detects the height value of liquid in the transparent container (1) through the liquid level height detection module (5) and displays the height value through the display circuit module (4).
2. The simple multi-purpose container according to claim 1,
the bottom of the transparent container (1) is provided with a base (11), and the transparent container (1) is arranged on the base (11);
the base (11) is provided with a weighing sensor module (9);
the weighing sensor module (9) is connected with the single chip microcomputer control module (3);
the single chip microcomputer control module (3) detects the weight value of the liquid in the transparent container (1) through the weighing sensor module (9) and displays the weight value through the display circuit module (4).
3. The simple multipurpose container according to claim 1 or 2,
the data processing terminal (2) is also provided with a signal processing module (12);
the liquid detection module (8) is connected with the single-chip microcomputer control module (3) through the signal processing module (12).
4. The simple multipurpose container according to claim 1 or 2,
the liquid detection module (8) adopts a laser correlation switch;
the laser correlation switch includes: a receiver (13) and a transmitter (14);
the laser correlation photoelectric switch adopts E3F-20C 1E 3F20L, the working voltage is 6-36VDC, the reaction frequency is 120Hz, the load current is 200mAMAX, and the laser is red visible laser and is 640-650 nm.
5. The simple multi-purpose container according to claim 4,
the data processing terminal (2) is also provided with a conversion circuit;
the output of the conversion circuit is a 5V high-level signal to supply power to the laser correlation photoelectric switch;
the conversion circuit includes: the LED driving circuit comprises a first connecting end H1, a second connecting end H2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a capacitor C1, a capacitor C2, an operational amplifier U1, a triode Q1 and a light-emitting diode D1;
the laser correlation photoelectric switch is connected with the first connecting end H1;
the second end of the first connecting end H1 is connected with a power supply, the first end of the first connecting end H1 is respectively connected with the second end of the second connecting end H2, the first end of a resistor R1, the first end of a capacitor C1 and the negative input end of an operational amplifier U1; the second end of the resistor R1, the second end of the capacitor C1 and the first end of the second connection end H2 are respectively grounded; the positive input end of the operational amplifier U1 is respectively connected with the first end of a resistor R3, the first end of a capacitor C2 and the second end of a resistor R2; the first end of the resistor R2 is connected with the sliding end of the resistor R8; the resistor R8 has a first end connected with a power supply and a second end connected with the ground; the second end of the capacitor C2 is grounded;
the second end of the resistor R3 is respectively connected with the output end of the operational amplifier U1, the first end of the resistor R5, the second end of the resistor R4 and the first end of the resistor R6; the second end of the resistor R6 is grounded; a first end of the resistor R4 is connected with a power supply;
the second end of the resistor R5 is connected with the base of a triode Q1; the emitter of the triode Q1 is grounded; the collector of the triode Q1 is respectively connected with the output end of the conversion circuit, the first end of the resistor R7 and the cathode of the light-emitting diode D1, and the anode of the light-emitting diode D1 is connected with the power supply through the resistor R9; the second end of the resistor R7 is connected with the power supply.
6. The simple multi-purpose container according to claim 2,
the weighing sensor module (9) adopts a resistance strain gauge bridge type weighing sensor, and the weighing sensor outputs signals through an HX711 integrated circuit HX711 and is in communication connection with the single chip microcomputer control module (3) through an IIC protocol.
7. The simple multipurpose container according to claim 1 or 2,
the single chip microcomputer control module (3) adopts an 80C51 inner core STC series single chip microcomputer, is provided with two 16-bit timing counters and is provided with 4 8-bit parallel input ports;
or an STM32F407ZGT6 series single chip microcomputer is adopted.
8. The simple multipurpose container according to claim 1 or 2,
the liquid level height detection module (5) adopts an L1A05RS232 laser ranging sensor, the measurement range is 0.05-40m, the resolution is 1mm, and the measurement precision is 1.5 mm; and a UART interface, an RX receiving end and a TX transmitting end are configured.
9. The simple multipurpose container according to claim 1 or 2,
the PH value detection module (6) adopts a BHT-D type PH value collector and is provided with a low-noise shielding wire;
the conductivity detection module (7) adopts a Saitong RS485 type liquid conductivity transmitter ST-YT-EC-20K.
10. The simple multi-purpose container according to claim 2,
the base (11) is provided with a turntable (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921527127.3U CN210742233U (en) | 2019-09-12 | 2019-09-12 | Simple multifunctional container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921527127.3U CN210742233U (en) | 2019-09-12 | 2019-09-12 | Simple multifunctional container |
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| CN210742233U true CN210742233U (en) | 2020-06-12 |
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|---|---|---|---|
| CN201921527127.3U Expired - Fee Related CN210742233U (en) | 2019-09-12 | 2019-09-12 | Simple multifunctional container |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325953A (en) * | 2020-10-14 | 2021-02-05 | 北京电子科技职业学院 | Micro-flow sensor with adjustable inner chamber based on magnetic liquid |
| CN112858313A (en) * | 2021-01-14 | 2021-05-28 | 内蒙古农业大学 | Sheep milk adulteration detection device |
| CN114334120A (en) * | 2021-12-30 | 2022-04-12 | 河南省生殖健康科学技术研究院(河南省出生缺陷干预工程技术研究中心) | Medical science inspection quality control system |
| CN114740165A (en) * | 2022-05-09 | 2022-07-12 | 中国地质大学（武汉） | Combined tester for solution properties and testing method thereof |
-
2019
- 2019-09-12 CN CN201921527127.3U patent/CN210742233U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325953A (en) * | 2020-10-14 | 2021-02-05 | 北京电子科技职业学院 | Micro-flow sensor with adjustable inner chamber based on magnetic liquid |
| CN112325953B (en) * | 2020-10-14 | 2023-06-02 | 北京电子科技职业学院 | Micro-flow sensor with adjustable inner cavity based on magnetic liquid |
| CN112858313A (en) * | 2021-01-14 | 2021-05-28 | 内蒙古农业大学 | Sheep milk adulteration detection device |
| CN114334120A (en) * | 2021-12-30 | 2022-04-12 | 河南省生殖健康科学技术研究院(河南省出生缺陷干预工程技术研究中心) | Medical science inspection quality control system |
| CN114334120B (en) * | 2021-12-30 | 2024-01-30 | 河南省生殖健康科学技术研究院(河南省出生缺陷干预工程技术研究中心) | Medical science inspection quality control system |
| CN114740165A (en) * | 2022-05-09 | 2022-07-12 | 中国地质大学（武汉） | Combined tester for solution properties and testing method thereof |
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