I. Device overview

The Cube-Multi-Sensor sensor comprehensive training box is a comprehensive training
box that covers common optical, mechanical, electrical, gas, and liquid
A multi-functional comprehensive training and assessment device for sensors and
actuators, which can be combined with various types of PLC or single-chip computers for
training

Control, the device has complete functions, compact structure, intuitive and transparent,
and convenient to move. It is suitable for electromechanical, automation, intelligent
The theoretical and practical teaching of “Sensors and Detection Technology” for
equipment manufacturing majors and other majors can satisfy the course’s understanding
of equipment,

Experiments and training on the use of sensors, the application of PLCs and single-chip
microcomputers, etc., can also be used for knowledge evaluation and assessment of
electrical and electronic professions.

II. It includes following:

III. Technical requirements

(1) Input voltage: AC220V ±10% 50HZ;
(2) Rated power: <100W;
(3) Safety protection: grounding protection, overcurrent protection, safety performance
meets national requirements;
(4) Device dimensions: ≥580mm×370mm×250mm.
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IV. Description of main hardware device parameters

4.1, experiment box

(1) Overall size: ≥580mm×370mm×250mm;
(2) Use fireproof fabric, ≥4mm MDF, inner lining ≥4mm black EVA, bottom ≥12mm
plywood;
(3) Hardware: 4PCS small butterfly lock, 2PCS small invisible handle, square corners,
4PCS rubber particles, L aluminum strip in the box.
(4) Installation backplane: an independent electrical installation board on which the
terminal blocks of various sensor modules and input and output control points are
integrated. It can be installed independently, easily disassembled, and the overall layout is
reasonable. At the same time, all I/O control points are led out to a special terminal block,
which is convenient for students to connect and operate.

4.2, regulated power supply

(1) Input: AC 85-264V;
(2) Output: DC 24V/4.5A;
(3) Voltage adjustment range: 21.6-28.8V;
(3) Ripple noise: 150mVp-p;
(4) Working temperature and humidity: -30℃～+70℃; 20%～90%RH;

4.3. Four-workpiece turntable module

(1) Turntable diameter ≤75MM, workpiece diameter ≥12MM, height ≥25MM;
(2) The turntable is driven by a motor, and the speed is ≤10r/min;
(3) The four workpieces are made of 3 materials and two colors, which are black and
white plastic guide posts, aluminum guide posts, and magnetic guide posts.

4.4, constant temperature control module

(1) The heating tube is heated by a safe voltage of 24V/25W, with radiating fins as natural
cooling, 24V DC fan as forced cooling, PT100 thermal resistance, K-type thermocouple as
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sensing elements, and 60℃ temperature protection switch. Closed-loop system, which
can be combined with PLC and SCM to complete PID constant temperature control
experiment;
(2) At the same time, it has K-type thermocouple and PT100 thermal resistance
temperature sensor to collect temperature;
(3) With the over-temperature power-off protection function, the module can control the
temperature to 25 ～ 65℃, and the over-temperature power-off protection is turned on
when the temperature exceeds 65℃ to prevent burns;
(4) It has a cooling fan, which can quickly cool the heating module;
(5) It can coordinate with single-chip microcomputer and PLC to adjust PID constant
temperature;
(6) The heating element adopts a heating tube with a rated voltage of 24V, which is safe
and reliable. The voltage at both ends of the heating tube is controlled by the analog input
value of 0～10V, and its voltage varies linearly between 0～24V, and the output power of
the heater can be adjusted. When the set temperature is high and the natural convection
is not enough to offset the thermal inertia, it can be cooled by turning on the DC fan to
achieve a good constant temperature effect.

4.5, load cell module

(1) Range: 5KG;
(2) Output sensitivity: 2±0.1mV/V;
(3) Hysteresis: ±0.1%F.S;
(4) Repeatability: ±0.1%F.S;
(5) Creep: ±0.1%F.S/30min;
(6) Output impedance: 350±3Ω;
(7) Insulation resistance: ≥2000MΩ;
(8) Operating temperature range: -30～70℃;
(9) Excitation voltage: DC 24V;
(10) Transmitting output: 0-20mA;
(11) Adopting foil structure, high precision and good long-term stability;
(12) When a weight within the range of the weighing platform is placed on the weighing
platform, its signal output terminal will give a current signal, which can be directly detected
by the 20mA current range of a digital multimeter, or it can be collected by a PLC or a
single-chip computer. Through program conversion, calculate and convert the weight of
the weight to be measured.

4.6, pressure sensor liquid level test module

(1) Foldable liquid level simulation device, the liquid level can be adjusted freely, and the
liquid volume can be freely injected and emptied;
(2) Range: 3KPa;
(3) Working temperature: -25～85℃;
(4) Output: 4～20mA;
(5) Stability: ±0.2%F.S/year;
(6) Temperature drift: ±0.01%F.S/ ℃;
(7) Accuracy level: 0.25 level (comprehensive).
(8) It is composed of range sensor, foldable hydraulic adjusting device, liquid pipeline, etc.
The signal can be collected by PLC or single-chip microcomputer to realize liquid level
monitoring or control experiment.

4.7 Fiber optic sensor module

(1) Detection method: diffuse reflection
(2) Thread diameter: 6mm;
(3) Working temperature: -35℃～50℃. 4.8 Inductive sensor module
(1) Three-wire NPN type normally open;
(2) Detection distance: 2mm±10%;
(3) Detection object: metal;
(4) Power supply voltage: DC 6-36V;
(5) Material: nickel-plated brass, ABS for detection surface;
(6) Protection level: IP67 (IEC specification).
(7) Composed of oscillator, switch circuit and amplifier output circuit. The oscillator
generates an alternating magnetic field. When the metal target approaches this magnetic
field and reaches the sensing distance, an eddy current is generated in the metal target,
which causes the oscillation to decay until it stops. The two states of oscillator oscillation
and stop oscillation are processed by the post-amplifier circuit and converted into
switching signals, which trigger the drive control device to achieve the purpose of
non-contact detection.

4.9, capacitive sensor module

(1) Three-wire NPN type normally open;
(2) Detection distance: 5mm±10%;
(3) Detection object: any dielectric substance;
(4) Power supply voltage: DC 6-36V;
(5) Material: nickel-plated brass, ABS for detection surface;
(6) Protection level: IP67 (IEC specification).

4.10, single-channel vehicle detector module

(1) Working power supply: DC24V;
(2) Storage temperature: -40℃-85℃;
(3) Size: 74*85*36mm;
(4) Sensitivity: three-level adjustable;
(5) Output mode: relay;
(6) Detection lead: best within 10 meters;
(7) Working temperature: -40℃-65℃. 4.11 Hall sensor module
(1) Working voltage: DC 6-36V;
(2) Induction distance: 0-10mm;
(3) Output form: NPN DC three-wire normally open;
(4) Output current: 100mA;
(5) Detection object: magnetic object;
(6) Dimensions: outer diameter 8mm.
(7) Protection level: IP67 (IEC specification).

4.11 Hall sensor module

(1) Working voltage: DC 6-36V;
(2) Induction distance: 0-10mm;
(3) Output form: NPN DC three-wire normally open;
(4) Output current: 100mA;
(5) Detection object: magnetic object;
(6) Dimensions: outer diameter 8mm.
(7) Protection level: IP67 (IEC specification).

4.12, K-type thermocouple sensor module

(1) Material: 304 stainless steel, PTFE-plated silver shielded wire,
(2) Working range: 0～400℃
(3) Lead: two-core, tetrafluorosilver-plated shielded wire (temperature resistance 400℃)

4.13, PT100 thermal resistance sensor module

(1) Index number: PT100;
(2) Temperature measurement range: -50～300℃;
(3) Lead wire: three-core, tetrafluorosilver-plated shielded wire
(temperature resistance 200℃);

4.14, diffuse reflection photoelectric sensor module

(1) Working voltage: DC 12-24V;
(2) Sensing object: any reflective object;
(3) Response frequency: 2MS;
(4) Output current: 80-300mA;
(5) Induction distance: 1-20CM;
(6) Shell material: ABS plastic;
(7) Protection function: polarity protection, short circuit protection, surge protection;
(8) Output mode: DC three-wire NPN normally open and normally closed one;
(9) Protection level: IP54.
(10) Utilize the shielding or reflection of the light beam by the detected object, and the
gated circuit by the synchronization loop, so as to detect the presence of objects, and all
objects that can reflect light can be detected.

4.15, through-beam photoelectric sensor

(1) Working voltage: DC 10-30V;
(2) Induction method: opposite beam/50m;
(3) Response frequency: 2mS;
(4) Output current: 150mA;
(5) Overload protection point: 200 mA;
(6) Shell material: ABS plastic;
(7) Protection function: short-circuit protection and surge protection;
(8) Output mode: NPN normally open.

4.16, optical fiber amplifier module

(1) Light source: red 4-element light-emitting diode (625nm);
(2) Power supply: DC 12～24V±10%;
(3) Control output: open collector output type NPN, load power
supply voltage below 26.4V, ON when light is received/ON when light is avoided;
(4) Sensitivity adjustment: 8 turn the full-turn knob (with indicator);
(5) Protection circuit: power reverse connection protection, output short circuit protection;
(6) Working temperature and humidity: -25～45℃, 35～85%RH.

4.17, grating encoder speed measurement module

(1) Power supply voltage: DC 12～24V;
(2) Resolution: 600P/R;
(3) Output mode: open collector output;
(4) Motor speed: 0～300r/min, stepless speed regulation;
(5) Rotation direction: can be reversed
4.18, infrared detection sensor module
(1) Sensing range: 3 to 4 meters, 120°;
(2) Induction method: passive;
(3) Delay range: 15S;
(4) Working voltage: DC 4～24V;
(5) Working temperature and humidity: -20～50℃;
(6) Output current: 1.5A;
(7) Output mode: induction output;
(8) Lens specification: 15×10 mm.

4.19, ultrasonic ranging sensor module

(1) Detection distance: 6-100CM;
(2) Output signal: 0-5V;
(3) Working voltage: DC24V;
(4) Outer diameter: 18mm;
(5) Shell: ABS engineering plastic;
(6) Water discharge level: IP67 level.

4.20, carbon dioxide sensor

(1) Working voltage: DC 24V;
(2) Output signal: 0-10V;
(3) Range: 0-3000ppm;(4) Detection accuracy: ±(50ppm+5%) (25℃);
(5) Non-linearity: <1%F·S.

4.21, stroke control module

(1) Contact capacity: AC 15A/250V;
(2) Contact: COM+NC+NO;
(3) Trigger: roller pressing type;
(4) Installation: Visually installed on a stainless steel bracket.
(5) The travel control module is composed of a roller type travel switch and a bracket. The
travel switch is composed of a normally open contact, a normally closed contact and a
common point. It can cooperate with PLC or single-chip microcomputer to realize
experiments such as forward and reverse rotation control and limit protection.

4.22 Electric proportional valve module

(1) Rated voltage: AC 24V;
(2) Power consumption: 3VA;
(3) Control signal: DC 0～10V (input impedance is 200KΩ);
(4) Feedback signal: DC 0～10V;
(5) Torque: 4Nm;
(6) Running time: ≈45s (50Hz/90°);
(7) Maximum angle: 95°;
(8) Working temperature: -5～50℃;
(9) Gear: POM polyoxymethylene plastic, brass HPb59-1, iron-based powder metallurgy;
(10) Protection level: IP54.

4.23, PT100 temperature transmitter module

(1) Index number: PT100;
(2) Accuracy: 0.2%F.S;
(3) Working voltage: DC 24V±10%;
(4) Range: 0～100℃, accuracy: 0.2%F.S;
(5) Working environment: -20～70℃, 85%RH;
(6) Output: 4-20mA.

4.24, K-type temperature transmitter module

(1) Type: K type;
(2) Accuracy: 0.5%F.S;
(3) Working voltage: DC 24V±10%;
(4) Range: 0～400℃;
(5) Working environment: -20～70℃, 85%RH;
(6) Output: DC 0～10V.

4.25, relay control module

(1) Number of poles: 2P;
(2) Pin: 8 feet;
(3) Coil voltage: DC24V;
(4) Rated current: 5A;
(5) Contact resistance: below 100MΩ;
(6) Reset time: less than 20ms;
(7) Operating environment: -55～70℃, 5～85%RH;
(8) Status: with action indicator;
(9) Mechanical life: 50 million times;
(10) Installation method: embedded track installation.

V. Training project

This experimental device can use a single sensor or a combination of multiple sensors,
combined with an actuator, PLC or single-chip controller, to complete a number of
experimental training content related to the application of sensing and detection
technology.

(1) Diffusion photoelectric switch detection experiment
(2) Photoelectric switch workpiece counting start-stop experiment
(3) Inductive sensor detection experiment
(4) Capacitive sensor detection experiment
(5) Optical fiber sensor detection experiment
(6) Hall sensor detection experiment
(7) Detection experiment of through-beam photoelectric switch
(8) Safety protection experiment of beam photoelectric switch
(9) Gas sensor detection experiment
(10) High-speed pulse counting experiment of grating encoder
(11) Thermal resistance temperature transmitter experiment
(12) K-type thermocouple temperature transmitter experiment
(13) Load cell and product piece counting experiment
(14) Color sorting experiment
(15) Material attribute sorting experiment
(16) Pressure sensor detection and liquid level display experiment
(17) The opening adjustment experiment of the electric proportional valve adjusted by PID
(18) Constant temperature control experiment of PID regulation
(19) Sensor combination simulation constant pressure water supply experiment
(20) Hall sensor simulation taxi meter experiment