TWI737403B - Intelligent detection device - Google Patents

Abstract

An intelligent detection device includes a sensing module and a receiving module. The sensing module includes a sensing unit, a micro-control unit, and a light emitting diode unit. The sensing unit senses a breeding box to generate a sensing output. The sensing output at least indicates the weight and temperature-humidity information of the breeding box. The micro-control unit receives the sensing output, and generates a control signal according to the sensing output. The light-emitting diode unit receives the control signal, and is controlled by the control signal to issue an optical signal related to the sensing output. The receiving module receives the optical signal, and generates a detection result related to the sensing output according to the optical signal for monitoring.

Description

Smart detection device

The present invention relates to a device, in particular to an intelligent detection device.

Existing detection devices for detecting beehives or bee colony behaviors for cultivating bees mainly use wireless networks (radio systems) to transmit detected data related to beehives or bee colony behaviors to the terminal Device for monitoring by monitors. However, data transmission through wireless networks will generate electromagnetic waves, and the electromagnetic radiation will disrupt the navigation function of the bees themselves, so that the bees cannot find their way home, and the colony collapse syndrome (Colony Collapse Disorder, CCD). Therefore, the existing detection devices still have room for improvement.

Therefore, the purpose of the present invention is to provide an intelligent detection device that can overcome the shortcomings of the prior art.

Therefore, the intelligent detection device of the present invention is used to detect a breeding tank. The intelligent detection device includes a sensing module and a receiving module.

The sensing module includes a sensing unit, a micro-control unit, and a light-emitting diode unit.

The sensing unit is used for sensing the cultivating tank to generate a sensing output, the sensing output at least indicating the weight and temperature and humidity information of the cultivating tank.

The micro control unit is electrically connected to the sensing unit to receive the sensing output. And generate a control signal according to the sensing output.

The light-emitting diode unit is electrically connected to the micro-control unit to receive the control signal, and is controlled by the control signal to send out a light signal related to the sensing output.

The receiving module receives the light signal from the light emitting diode unit, and generates a detection result related to the sensing output according to the light signal to facilitate monitoring.

The effect of the present invention is that the sensing module is used to send out the light signal, and the sensing output sensed by it is transmitted to the receiving module by means of visible light communication, so that the intelligent detection device of the present invention does not have Electromagnetic wave interference and low power consumption can be achieved.

1 to 3, the embodiment of the intelligent detection device of the present invention is suitable for detecting a breeding tank (not shown). In this embodiment, the smart detection device is used to detect a breeding box for cultivating bees as an example, but it is not limited to this. The smart detection device of this embodiment includes a sensing module 1 and a receiving module 2.

The sensing module 1 is installed in the culture box and includes a sensing unit 11, a micro-control unit 12, and a light-emitting diode unit 13.

The sensing unit 11 is used for sensing the breeding tank to generate a sensing output, the sensing output at least indicating the weight and temperature and humidity information of the breeding tank. In this embodiment, the sensing unit 11 includes a weight sensor 111 and a temperature and humidity sensor 112.

The weight sensor 111 is electrically connected to the micro-control unit 12 for sensing the weight of the cultivating box to generate a first sensing signal S1 indicating the weight of the cultivating box.

The temperature and humidity sensor 112 is electrically connected to the micro-control unit 12 for sensing the temperature and humidity of the breeding tank to generate a second sensing signal S2 indicating the temperature and humidity of the breeding tank. The second sensing signal S2 is combined with the first sensing signal S1 to form the sensing output.

The micro-control unit 12 is electrically connected to the weight sensor 111 and the temperature and humidity sensor 112 to respectively receive the first and second sensing signals S1 and S2, and according to the first and second sensing signals S1 and S2 generate a control signal Cs.

The light-emitting diode unit 13 is electrically connected to the micro-control unit 12 to receive the control signal Cs, and is controlled by the control signal Cs to emit a light signal Ls related to the sensing output. The wavelength of the optical signal Ls is 380 nm to 1100 nm, but is not limited to this.

The receiving module 2 receives the light signal Ls from the light emitting diode unit 13, and generates a detection result Dr related to the sensing output according to the light signal Ls for monitoring. In this embodiment, the receiving module 2 includes a receiving unit 21 and a terminal unit 22.

The receiving unit 21 receives the light signal Ls from the light emitting diode unit 13, and generates a modulated signal Ms according to the light signal Ls, and couples the modulated signal Ms with a power signal transmitted by a power line PL A power line carrier signal Ps is formed, and the power line carrier signal Ps is output through the power line PL. In this embodiment, the receiving unit 21 includes a photodiode 211, a transimpedance amplifier 212, a high-pass filter 213, a low-pass filter 214, a comparator 215, a signal processor 216, and a Coupler 217.

The photodiode 211 receives the light signal Ls from the light emitting diode unit 13 and performs photoelectric conversion of the light signal Ls to generate a photocurrent Lc.

The transimpedance amplifier 212 is electrically connected to the photodiode 211 to receive the photocurrent Lc, and transimped and amplify the photocurrent Lc to generate an amplified voltage signal As1.

The high-pass filter 213 is electrically connected to the transimpedance amplifier 212 to receive the amplified voltage signal As1, and high-pass filter the amplified voltage signal As1 to generate a high-pass filtered signal Hf. In this embodiment, the high-pass filter 213 is a second-order high-pass filter.

The low-pass filter 214 is electrically connected to the high-pass filter 213 to receive the high-pass filtered signal Hf, and low-pass filter the high-pass filtered signal Hf to generate a low-pass filtered signal Lf. In this embodiment, the low-pass filter 214 is a second-order low-pass filter.

The comparator 215 is electrically connected to the low-pass filter 214 to receive the low-pass filtered signal Lf, and compare the low-pass filtered signal Lf with its own set of threshold voltages to generate a comparison signal Co1. In this embodiment, the comparator 215 is a Schmitt trigger.

The signal processor 216 is electrically connected to the comparator 215 to receive the comparison signal Co1, and sequentially performs optical communication demodulation and digital modulation on the comparison signal Co1 to generate the modulation signal Ms. It should be noted that the digital modulation performed by the signal processor 216 is frequency-shift keying (FSK) modulation.

The coupler 217 is electrically connected between the signal processor 216 and the power line PL, receives the modulated signal Ms from the signal processor 216, and couples the modulated signal Ms with the power signal transmitted by the power line PL The power line carrier signal Ps is formed, and the power line carrier signal Ps is output through the power line PL. In this embodiment, the coupler 217 is an inductive capacitive coupler. It should be noted that a gate driver can also be provided between the coupler 217 and the signal processor 216 for signal transmission.

The terminal unit 22 is electrically connected to the coupler 217 of the receiving unit 21 through the power line PL to receive the power line carrier signal Ps, separates the modulated signal Ms from the power line carrier signal Ps, and generates the modulated signal Ms according to the modulated signal Ms The detection result Dr is used for monitoring. In this embodiment, the terminal unit 22 includes a decoupler 221, a bandpass filter 222, a signal amplifier 223, a comparator 224, a microcontroller 225, and a server 226.

The decoupler 221 is electrically connected to the coupler 217 through the power line PL to receive the power line carrier signal Ps, and separates the modulated signal Ms from the power line carrier signal Ps.

The band-pass filter 222 is electrically connected to the decoupler 221 to receive the modulated signal Ms, and band-pass filter the modulated signal Ms to generate a band-pass filtered signal Bf.

The signal amplifier 223 is electrically connected to the band-pass filter 222 to receive the band-pass filtered signal Bf, and amplify the band-pass filtered signal Bf to generate an amplified signal As2.

The comparator 224 is electrically connected to the signal amplifier 223 to receive the amplified signal As2, and compare the amplified signal As2 with its own set of threshold voltages to generate a comparison signal Co2. In this embodiment, the comparator 224 is a Schmitt trigger.

The microcontroller 225 is electrically connected to the comparator 224 to receive the comparison signal Co2, and digitally demodulate the comparison signal Co2 to generate the detection result Dr, and output the detection result Dr to the The server 226 is for monitoring. In this way, the farmer can remotely connect to the server 226 via the Internet to monitor the real-time data of each breeding tank. It should be noted that the digital demodulation performed by the microcontroller 225 becomes frequency offset demodulation. The microcontroller 225 is an STM32F4 microcontroller, but it is not limited to this.

It should be noted that, in this embodiment, the power required by each circuit in the sensing module 1 and the receiving module 2 comes from a power supply device (not shown). The power supply device can provide a plurality of power supplies of different voltage values, and the configuration and power supply mode of the power supply device are well-known to those skilled in the art. For the sake of brevity, it will not be repeated here.

In summary, this embodiment uses the light emitting diode unit 13 to send out the light signal Ls, and transmits the sensed output sensed by it to the receiving module 2 by means of visible light communication, so that the present invention The intelligent detection device does not have electromagnetic interference and can achieve low power consumption. In addition, the receiving unit 21 is electrically connected to the terminal unit 22 through the power line PL, and the existing power line can be used to increase the transmission distance.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to Within the scope covered by the patent of the present invention.

1: Sensing module 11: Sensing unit 111: weight sensor 112: Temperature and Humidity Sensor 12: Micro control unit 13: Light-emitting diode unit 2: Receiving module 21: receiving unit 211: photodiode 212: transimpedance amplifier 213: high pass filter 214: low pass filter 215: Comparator 216: Signal Processor 217: Coupler 22: terminal unit 221: Decoupler 222: Band pass filter 223: signal amplifier 224: Comparator 225: Microcontroller 226: Server As1: Amplify the voltage signal As2: Amplify the signal Bf: Bandpass filtered signal Cs: control signal Co1: Comparison signal Co2: Comparison signal Dr: detection result Hf: High-pass filtered signal Lc: photocurrent Lf: low-pass filtered signal Ls: optical signal Ms: Modulated signal PL: Power line Ps: Power line carrier signal S1: the first sensing signal S2: second sensing signal

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a block diagram illustrating an embodiment of the intelligent detection device of the present invention; Figure 2 is a block diagram illustrating a receiving unit of this embodiment; and Fig. 3 is a block diagram illustrating a terminal unit of this embodiment.

1: Sensing module

11: Sensing unit

111: weight sensor

112: Temperature and Humidity Sensor

12: Micro control unit

13: Light-emitting diode unit

2: Receiving module

21: receiving unit

22: terminal unit

Cs: control signal

Ls: optical signal

S1: the first sensing signal

S2: second sensing signal

PL: Power line

Ps: Power line carrier signal

Claims (8)

An intelligent detection device for detecting a culture box, comprising: a sensing module, including a sensing unit, used to sense the culture box to generate a sensing output, the sensing output at least indicating the The weight and temperature and humidity information of the breeding tank, a micro-control unit electrically connected to the sensing unit to receive the sensing output, and generate a control signal according to the sensing output, and a light-emitting diode unit electrically connected to the micro The control unit receives the control signal, and is controlled by the control signal to send out a light signal related to the sensing output; The signal generates a detection result related to the sensing output to facilitate monitoring. The receiving module includes a receiving unit that receives the light signal from the light emitting diode unit and generates a modulation signal according to the light signal. The modulated signal is coupled with a power signal transmitted by a power line to form a power line carrier signal, and the power line carrier signal is output through the power line. The receiving unit includes a photodiode to receive the light-emitting diode The optical signal of the body unit is photoelectrically converted to generate a photocurrent, and a transimpedance amplifier is electrically connected to the photodiode to receive the photocurrent, and the photocurrent is transimpeded and amplified To generate an amplified voltage signal, A high-pass filter is electrically connected to the transimpedance amplifier to receive the amplified voltage signal, and the amplified voltage signal is high-pass filtered to generate a high-pass filtered signal, and a low-pass filter is electrically connected to the high-pass filter to receive the high-pass Filter the signal, and perform low-pass filtering of the high-pass filtered signal to generate a low-pass filtered signal, a comparator, electrically connected to the low-pass filter to receive the low-pass filtered signal, and combine the low-pass filtered signal with its own A set of threshold voltages are compared to generate a comparison signal, a signal processor is electrically connected to the comparator to receive the comparison signal, and the comparison signal is sequentially subjected to optical communication demodulation and digital modulation to generate the modulation A variable signal and a coupler are electrically connected between the signal processor and the power line, receive the modulated signal from the signal processor, and couple the modulated signal with the power signal transmitted by the power line to form The power line carrier signal and a terminal unit are electrically connected to the receiving unit through the power line to receive the power line carrier signal, and the modulated signal is separated from the power line carrier signal, and the detection result is generated according to the modulated signal. Benefit monitoring. The smart detection device according to claim 1, wherein the sensing unit includes a weight sensor, electrically connected to the micro-control unit, for sensing the weight of the cultivating box to generate an indication of the cultivating box The first sense of weight Signal, and a temperature and humidity sensor, electrically connected to the micro-control unit, for sensing the temperature and humidity of the cultivating tank to generate a second sensing signal indicating the temperature and humidity of the cultivating tank, the second sensing The signal is combined with the first sensing signal to form the sensing output. The smart detection device according to claim 1, wherein the digital modulation performed by the signal processor is a frequency offset modulation. The smart detection device according to claim 1, wherein the high-pass filter and the low-pass filter are a second-order high-pass filter and a second-order low-pass filter, respectively. The smart detection device according to claim 1, wherein the coupler is an inductive capacitive coupler. The smart detection device according to claim 1, wherein the terminal unit includes a decoupler, is electrically connected to the receiving unit through the power line to receive the power line carrier signal, and separates the modulation from the power line carrier signal Signal, a band-pass filter, electrically connected to the decoupler to receive the modulated signal, and band-pass filter the modulated signal to generate a band-pass filtered signal, a signal amplifier, electrically connected to the band-pass filter to Receiving the band-pass filtered signal and amplifying the band-pass filtered signal to generate an amplified signal, a comparator, electrically connected to the signal amplifier to receive the amplified signal, The amplified signal is compared with its own set of threshold voltages to generate a comparison signal, and a microcontroller is electrically connected to the comparator to receive the comparison signal, and the comparison signal is digitally demodulated to The detection result is generated, and the detection result is output and stored to a server for monitoring. The intelligent detection device according to claim 1 or 6, wherein the comparator is a Schmitt trigger. The smart detection device according to claim 1, wherein the wavelength of the optical signal is 380 nm to 1100 nm.

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