CN103471814A - System and method for detecting infrared scattering degree of on-site service terminal - Google Patents

Abstract

The invention relates to a system and method for detecting infrared scattering degree of field service terminals. The system includes a circuit board, a power supply module, a central computing unit, a digital tube and an infrared test unit; the infrared test units are regularly arranged on the circuit board Above; the infrared scattering area calculated by the central calculation unit according to the signal of the infrared receiver is displayed through the digital tube. The method includes (1) the field service terminal emits infrared light; (2) the infrared test unit lights up the corresponding LED light after receiving the infrared signal; (3) calculates the infrared scattering of the field service terminal according to the lighted LED light area. The invention can not only intuitively obtain the infrared scattering degree of the on-site service terminal by watching the lighted range of the light-emitting diode, but also accurately obtain the scattering range of the on-site service terminal. Through the color of the LED light, it can be clearly judged whether the received infrared signal meets the requirements of "DL/T645 Multi-function Energy Meter Communication Protocol".

Description

A detection system and method for infrared scattering degree of field service terminal

technical field

The invention belongs to infrared communication technology, and in particular relates to a detection system and method for infrared scattering degree of field service terminals.

Background technique

The field service terminal is a portable handheld device that uses cryptographic technology to exchange data with smart energy meters, collection terminals, etc., and implements security authentication, meter reading, parameter setting, emergency closing, key downloading, and asset management. . When the collection channel of the power consumption information collection system is blocked, the on-site service terminal can be used as a supplement to the power consumption information collection system to timely and effectively complete the data reading, parameter setting, emergency power outage and restoration of the on-site smart energy meter, and key Operations such as downloading and asset management. However, there are often multiple meters installed in the same meter box at the meter reading site. , the energy meters around this meter respond at the same time, and the communication fails.

In order to ensure the success rate of communication between the on-site service terminal and the electric energy meter, the infrared light divergence angle of the on-site service terminal must be controlled within a certain range. At present, there is no complete set of equipment or methods to judge the infrared light scattering range of the on-site service terminal.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a detection system and method for the infrared scattering degree of field service terminals. The present invention arranges infrared test units on the circuit board according to rules, receives infrared signals, and displays them through visible light signals. It can not only understand the scattering degree of communication infrared light of the field service terminal macroscopically, but also can accurately obtain the scattering area of communication infrared light, and can also detect whether the communication data meets the requirements of the communication protocol. Utilizing the detection system and the method thereof, it is possible to accurately test whether the infrared communication module of the field service terminal is qualified.

The object of the present invention is to adopt following technical scheme to realize:

A detection system for the degree of infrared scattering of field service terminals, the improvement of which is that the system includes a circuit board, a power supply module, a central computing unit, a digital tube and an infrared testing unit;

The infrared test units are regularly arranged on the circuit board;

The infrared scattering area calculated by the central calculation unit according to the signal of the infrared test unit is displayed through the digital tube.

Preferably, the infrared testing unit includes an infrared receiver, a control single-chip microcomputer and an LED lamp.

Preferably, the infrared receiver receives the infrared signal and transmits it to the control single-chip microcomputer; the control single-chip microcomputer notifies the central computing unit of receiving the infrared signal.

Preferably, the infrared test units are uniformly arranged on a circle with a diameter of 0cm, 5cm, 10cm, 15cm, 20cm, 25cm, 30cm, 35cm, 40cm.

Preferably, the power module converts the AC 220V power supply into a stable DC 5V voltage to provide a stable and reliable voltage for the overall equipment.

Preferably, the central computing unit includes a digital tube.

Preferably, the infrared test unit judges whether the received signal meets the requirements of the "DL/T645 Multi-function Electric Energy Meter Communication Protocol", and if it is satisfied, the green LED light is turned on, and if it is not satisfied, the red LED light is turned on.

The present invention provides a method for detecting the infrared scattering degree of field service terminals based on another purpose. The improvement is that the method includes:

(1) The on-site service terminal emits infrared light;

(2) After the infrared test unit receives the infrared signal, it lights up the corresponding LED light;

(3) Calculate the infrared scattering area of the on-site service terminal according to the lit LED lights.

Preferably, the step (2) includes receiving the infrared signal by the infrared receiver and sending it to the control single-chip microcomputer, and the control single-chip microcomputer judges whether it meets the requirements of the "DL/T645 Multi-function Electric Energy Meter Communication Protocol", and drives the green LED light to light up if it meets the requirements. If not, drive the red LED light to light up.

Preferably, the step (3) includes controlling the single-chip microcomputer to notify the central computing unit of receiving the infrared signal, and the central computing unit calculates the area of the received infrared signal according to the notification of the infrared test unit and displays it through the digital tube.

Compared with the prior art, the beneficial effects of the present invention are:

1. It can not only intuitively obtain the infrared scattering degree of the on-site service terminal by watching the lighted range of the light-emitting diode, but also accurately obtain the infrared scattering range of the on-site service terminal.

2. The manufacturing process is simple and easy to realize.

3. Through the color of the LED light, it can be clearly judged whether the received infrared signal meets the requirements of the "DL/T645 Multi-function Energy Meter Communication Protocol".

4. It is easy to carry and can meet the detection requirements of multiple locations on site.

Description of drawings

FIG. 1 is a schematic diagram of a detection system for the infrared scattering degree of a field service terminal provided by the present invention.

Fig. 2 is a flow chart of a method for detecting the infrared scattering degree of a field service terminal provided by the present invention.

Detailed ways

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

The invention is composed of a circuit board, a power supply module, a central computing unit, a digital tube and an infrared testing unit. The infrared test unit consists of three parts, namely the infrared receiver, the control microcontroller and the LED lamp.

Arrange the infrared test units evenly on the circles with diameters of 0cm, 5cm, 10cm, 15cm, 20cm, 25cm, 30cm, 35cm, and 40cm.

The power module converts the AC 220V power supply into a stable DC 5V voltage to provide a stable and reliable voltage for the overall equipment.

After the field service terminal emits the infrared signal, the infrared receiver transmits the received infrared signal to the control microcontroller, and the control microcontroller judges whether it meets the requirements of the "DL/T645 Multi-function Electric Energy Meter Communication Protocol", and if so, lights up the green LED light. If not, turn on the red LED light.

The control single-chip microcomputer notifies the central computing unit to receive the infrared signal, and the central computing unit can calculate the infrared scattering area of the on-site service terminal according to the notification of the infrared test unit and the arrangement of the lit LED lights and display it through the digital tube.

The present invention uses the infrared receiving head whose model is IRM3638T.

Example

The inventive method adopts the following steps to realize, specifically:

(1) The on-site service terminal emits infrared light;

Place the on-site service terminal vertically at a distance of 1 meter from the detection equipment, so that the on-site service terminal can emit an infrared command to read the meter number of the electric energy meter. The specific command message is: FE FE FE FE68AA AA AA AA AA AA68110434373337B616.

(2) After the infrared test unit receives the infrared signal, it lights up the corresponding LED light;

The infrared receiver is fixed on a plane in a ring shape, and there is a light-emitting diode next to the infrared receiver. The infrared receiver will notify the control microcontroller of the received infrared signal, and the control microcontroller will analyze whether the infrared signal meets the requirements of the DL. /T645 Multi-functional Electric Energy Meter Communication Protocol "Requirements, if it meets the requirements, the green LED light will be turned on, and if it is not met, the red LED light will be turned on.

(3) Calculate the infrared scattering area of the on-site service terminal according to the lit LED lights.

The control single-chip microcomputer notifies the central computing unit to receive the infrared signal, and the central computing unit can calculate the infrared scattering area of the on-site service terminal according to the notification of the infrared test unit and the arrangement of the lit LED lights and display it through the digital tube.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention can still be Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention shall be covered by the scope of the claims of the present invention.

Claims (10)

1. the detection system to field service terminal ir scattering degree, is characterized in that, described system comprises circuit board, power module, central computation unit, charactron and infrared test unit;

Described infrared test unit rules is arranged on circuit board;

The ir scattering area that described central computation unit obtains according to the calculated signals of infrared test unit shows by charactron.

2. a kind of detection system to field service terminal ir scattering degree as claimed in claim 1, is characterized in that, described infrared test unit comprises infrared remote receiver, control single chip computer and LED lamp.

3. a kind of detection system to field service terminal ir scattering degree as claimed in claim 1, is characterized in that, described infrared remote receiver receives infrared signal and passes to control single chip computer; Control single chip computer notice central computation unit receives infrared signal.

4. a kind of detection system to field service terminal ir scattering degree as claimed in claim 1, is characterized in that, it is 0cm that described infrared test unit is evenly arranged in diameter, 5cm, and 10cm, 15cm, 20cm, 25cm, 30cm, 35cm, on the circumference of 40cm.

5. a kind of detection system to field service terminal ir scattering degree as claimed in claim 1, is characterized in that, 220 volts of power supplys that described power module will exchange are converted to stable direct current 5V voltage, are used to integral device that reliable and stable voltage is provided.

6. a kind of detection system to field service terminal ir scattering degree as claimed in claim 1, is characterized in that, described central computation unit comprises charactron.

7. a kind of detection system to field service terminal ir scattering degree as claimed in claim 1, it is characterized in that, whether the signal that described infrared test unit judges is received meets " DL/T645 multifunctional electric energy meter communication protocol " requirement, satisfied light green LED lamp, do not meet and light red LED lamp.

8. the detection method to field service terminal ir scattering degree, is characterized in that, described method comprises:

(1) field service terminal is launched infrared light;

(2), after the infrared test unit receives infrared signal, light corresponding LED lamp;

(3) calculate the infrared scattering area of field service terminal according to the LED lamp of lighting.

9. a kind of detection method to field service terminal ir scattering degree as claimed in claim 8, it is characterized in that, described step (2) comprises that infrared remote receiver receives infrared signal and passes to control single chip computer, control single chip computer judges whether to meet the requirement of " DL/T645 multifunctional electric energy meter communication protocol ", if meet drive green LED lamp to light, if do not meet drive red LED lamp to light.

10. a kind of detection method to field service terminal ir scattering degree as claimed in claim 8, it is characterized in that, described step (3) comprises that control single chip computer notice central computation unit receives infrared signal, and central computation unit is calculated and received the infrared signal area and show by charactron according to the notice of infrared test unit.

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