CN216771989U - Infrared detector signal instrument - Google Patents
Infrared detector signal instrument Download PDFInfo
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- CN216771989U CN216771989U CN202122651510.3U CN202122651510U CN216771989U CN 216771989 U CN216771989 U CN 216771989U CN 202122651510 U CN202122651510 U CN 202122651510U CN 216771989 U CN216771989 U CN 216771989U
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Abstract
The utility model discloses an infrared detector signal instrument which comprises a shell and a circuit board, wherein the circuit board is arranged on the shell and comprises an infrared signal acquisition circuit, a processor U2 and a signal intensity display circuit, the input end of the infrared signal acquisition circuit is connected with an infrared sensor J1, the output end of the infrared signal acquisition circuit is electrically connected with the input end of a processor U2, and the output end of the processor U2 is electrically connected with the input end of the signal intensity display circuit. The utility model discloses an infrared detector signal instrument which is arranged on a receiver of an infrared detector, receives and detects infrared rays emitted by an emitter of the infrared detector through an infrared signal acquisition circuit, and displays the intensity of the received infrared signals through a signal intensity display circuit after being processed by a processor.
Description
Technical Field
The utility model belongs to the technical field of signal detection of infrared detectors, and particularly relates to a signal instrument of an infrared detector.
Background
With the continuous development of security technologies, the cost performance requirement of users on security products is higher and higher, and in the monitoring field, the infrared detector is popular with the users due to low price and stable technical performance, and is very widely applied. The active infrared detector utilizes the linear propagation characteristic of light to carry out intrusion detection, consists of a transmitter and a receiver, is separately and independently installed, forms a warning line formed by infrared signals between the transmitter and the receiver, blocks the infrared signals when an intruder passes through the warning line, and sends an alarm when the receiver loses the signal illumination, thereby achieving the function of alarming.
The existing active infrared detector is installed and debugged, the method for observing the intensity of an infrared signal or judging whether a receiver is aligned with a transmitter is to test the voltage value of the active infrared detector by using a test instrument such as a voltmeter or a universal meter, the intensity of the infrared signal is judged by the voltage value on the instrument, and when the active infrared detector is regulated, the test instrument needs to be observed, so that the installation and the adjustment are troublesome, the cost is increased, the existing signal intensity detection display is not visual, the interference of external factors is easy to cause, and the signal detection is unstable.
Therefore, the above problems are further improved.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an infrared detector signal instrument which is arranged on a receiver of an infrared detector, receives and detects infrared rays emitted by an emitter of the infrared detector through an infrared signal acquisition circuit, displays the intensity of the received infrared signals through a signal intensity display circuit after the infrared signals are processed by a processor, and visually judges the intensity of the signals through the number of lightening signal indicator lamps, so that the problems of normal infrared signal intensity of the infrared detector, alignment degree of the emitter and the receiver and the like are judged, and the alarm detector is conveniently and preventively maintained and adjusted.
Another object of the present invention is to provide an infrared detector signal instrument, which has the advantages of convenient use, sensitive detection, and stable structure.
In order to achieve the above object, the present invention provides an infrared detector signal instrument for detecting intensity of infrared correlation signal of an infrared detector (preferably, an infrared signal receiver mounted on an infrared detector), comprising a housing and a circuit board, wherein the circuit board is mounted on the housing, the circuit board comprises an infrared signal acquisition circuit, a processor U2 and a signal intensity display circuit, an input end of the infrared signal acquisition circuit is connected to an infrared sensor J1, an output end of the infrared signal acquisition circuit is electrically connected to an input end of the processor U2, and an output end of the processor U2 is electrically connected to an input end of the signal intensity display circuit, wherein:
the infrared signal acquisition circuit comprises an operational amplifier U1A and an operational amplifier U1B, wherein the negative electrode input end of the operational amplifier U1A is electrically connected with the positive electrode output end of the infrared sensor J1 sequentially through a resistor R3 and a capacitor C3, the output end of the operational amplifier U1A is electrically connected with the negative electrode input end of the operational amplifier U1B, and the output end of the operational amplifier U1B is electrically connected with the input end (3 pins) of the processor U2.
As a further preferable technical solution of the above technical solution, a capacitor C6 is connected between the negative input end and the output end of the operational amplifier U1A, a resistor R6 is connected in parallel to both ends of the capacitor C6, the positive input end of the operational amplifier U1A is connected to a power supply terminal VCC through a resistor R5, the positive input end of the operational amplifier U1A is further connected to ground through a resistor R4, and both ends of the resistor R4 are connected in parallel to a capacitor C5.
As a further preferable technical solution of the above technical solution, the 4 th pin of the operational amplifier U1A is electrically connected to the positive input terminal of the operational amplifier U1B through a resistor R9, a resistor R7 is connected between the positive input terminal and the output terminal of the operational amplifier U1B, and one side of the resistor R7 close to the positive input terminal of the operational amplifier U1B is further connected to a power supply terminal VCC through a resistor R20.
As a further preferable mode of the above mode, the signal intensity display circuit includes a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a light emitting diode D4, a light emitting diode D5, a light emitting diode D6, a light emitting diode D7, and a light emitting diode D8, wherein:
the cathode of the LED D1 is grounded and the anode of the LED D1 is electrically connected with the 7 pins of the processor U2 through a resistor R12;
the cathode of the LED D2 is grounded and the anode of the LED D2 is electrically connected with the 6-pin of the processor U2 through a resistor R13;
the cathode of the LED D3 is grounded and the anode of the LED D3 is electrically connected to the 2 pin of the processor U2 through a resistor R14;
the cathode of the LED D4 is grounded and the anode of the LED D4 is electrically connected to the 1 pin of the processor U2 through a resistor R15;
the cathode of the LED D5 is grounded and the anode of the LED D5 is electrically connected with the 18 pin of the processor U2 through a resistor R16;
the cathode of the LED D6 is grounded and the anode of the LED D6 is electrically connected with the 8-pin of the processor U2 through a resistor R11;
the cathode of the LED D7 is grounded and the anode of the LED D7 is electrically connected to the 9 pin of the processor U2 through a resistor R10;
the cathode of the LED D8 is grounded and the anode of the LED D8 is electrically connected to the pin 17 of the processor U2 via a resistor R17.
As a further preferable technical solution of the above technical solution, the circuit board further includes a power supply circuit, the power supply circuit includes a power supply J2 and a switch S1, wherein:
the anode of the power supply J2 is grounded through the switch S1, the resistor R8 and the light-emitting diode D10 in sequence, and the common connection end of the switch S1 and the resistor R8 is grounded through a capacitor C1, a capacitor C4 and a capacitor C2 respectively
As a further preferable technical solution of the above technical solution, the circuit board further includes a detection start circuit, the detection start circuit includes a switch S2, one end of the switch S2 is grounded, and one end of the switch S2, which is far away from the ground, is electrically connected to the 11 pin of the processor U2, and one end of the switch S2, which is far away from the ground, is further connected to a power supply terminal VCC through a resistor R1.
Drawings
FIG. 1 is a circuit diagram of an infrared signal acquisition circuit of an infrared detector signal meter of the present invention.
Fig. 2 is a circuit diagram of a display U2 of an infrared detector signal meter of the present invention.
Fig. 3 is a circuit diagram showing signal intensity of an infrared detector signal instrument of the present invention.
Fig. 4 is a power supply circuit diagram of an infrared detector signal instrument of the utility model.
Fig. 5 is a circuit diagram of a detection start circuit of an infrared detector signal instrument of the utility model.
Detailed Description
The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The underlying principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
The utility model discloses an infrared detector signal instrument, and the specific embodiment of the utility model is further described by combining the preferred embodiment.
In the embodiment of the present invention, those skilled in the art note that the infrared detector, the infrared sensor, and the like related to the present invention can be regarded as the prior art.
Preferred embodiments.
The utility model discloses an infrared detector signal instrument, which is used for detecting the intensity degree of an infrared correlation signal of an infrared detector (preferably an infrared signal receiver arranged on the infrared detector), and comprises a shell and a circuit board, wherein the circuit board is arranged on the shell, the circuit board comprises an infrared signal acquisition circuit, a processor U2 and a signal intensity display circuit, the input end of the infrared signal acquisition circuit is connected with an infrared sensor J1, the output end of the infrared signal acquisition circuit is electrically connected with the input end of a processor U2, and the output end of the processor U2 is electrically connected with the input end of the signal intensity display circuit, wherein:
the infrared signal acquisition circuit comprises an operational amplifier U1A and an operational amplifier U1B, wherein the negative electrode input end of the operational amplifier U1A is electrically connected with the positive electrode output end of the infrared sensor J1 sequentially through a resistor R3 and a capacitor C3, the output end of the operational amplifier U1A is electrically connected with the negative electrode input end of the operational amplifier U1B, and the output end of the operational amplifier U1B is electrically connected with the input end (3 pins) of the processor U2.
Specifically, a capacitor C6 is connected between a negative input end and an output end of the operational amplifier U1A, two ends of the capacitor C6 are connected in parallel with a resistor R6, a positive input end of the operational amplifier U1A is connected to a power supply terminal VCC through a resistor R5, a positive input end of the operational amplifier U1A is further connected to ground through a resistor R4, and two ends of the resistor R4 are connected in parallel with a capacitor C5.
More specifically, the 4 th pin of the operational amplifier U1A is electrically connected to the positive input terminal of the operational amplifier U1B through a resistor R9, a resistor R7 is connected between the positive input terminal and the output terminal of the operational amplifier U1B, and one side of the resistor R7, which is close to the positive input terminal of the operational amplifier U1B, is further connected to a power supply terminal VCC through a resistor R20.
Further, the signal strength display circuit comprises a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a light emitting diode D4, a light emitting diode D5, a light emitting diode D6, a light emitting diode D7 and a light emitting diode D8, wherein:
the cathode of the LED D1 is grounded and the anode of the LED D1 is electrically connected with the 7 pins of the processor U2 through a resistor R12;
the cathode of the LED D2 is grounded and the anode of the LED D2 is electrically connected with the 6-pin of the processor U2 through a resistor R13;
the cathode of the LED D3 is grounded and the anode of the LED D3 is electrically connected to the 2 pin of the processor U2 through a resistor R14;
the cathode of the LED D4 is grounded and the anode of the LED D4 is electrically connected to the 1 pin of the processor U2 through a resistor R15;
the cathode of the LED D5 is grounded and the anode of the LED D5 is electrically connected with the 18 pin of the processor U2 through a resistor R16;
the cathode of the LED D6 is grounded and the anode of the LED D6 is electrically connected with the 8-pin of the processor U2 through a resistor R11;
the cathode of the LED D7 is grounded and the anode of the LED D7 is electrically connected to the 9 pin of the processor U2 through a resistor R10;
the cathode of the LED D8 is grounded and the anode of the LED D8 is electrically connected to the pin 17 of the processor U2 via a resistor R17.
Still further, the circuit board further comprises a power circuit comprising a power source J2 and a switch S1, wherein:
the anode of the power supply J2 is grounded through the switch S1, the resistor R8 and the light-emitting diode D10 in sequence, and the common connection end of the switch S1 and the resistor R8 is grounded through a capacitor C1, a capacitor C4 and a capacitor C2 respectively.
Preferably, the circuit board further comprises a detection starting circuit, the detection starting circuit comprises a switch S2, one end of the switch S2 is grounded, and the end of the switch S2 far away from the ground is electrically connected to the pin 11 of the processor U2, and the end of the switch S2 far away from the ground is further connected to a power supply terminal VCC through a resistor R1.
Preferably, the principle of the utility model is as follows:
the infrared ray emitted by the emitter of the infrared detector is received by the infrared signal acquisition circuit, then is transmitted to the processor U2 after being filtered and amplified, the processor U2 compares the intensity of the received infrared signal and outputs the infrared signal to the signal intensity display circuit, and the signal intensity display circuit displays the intensity degree of the infrared ray by a corresponding number of light emitting diodes;
the power circuit is used for supplying power, the switch S1 is used for supplying power and cutting off power, the detection starting circuit is used for starting detection, and the switch S2 is used for starting detection and ending detection.
It should be noted that the technical features of the infrared detector and the infrared sensor related to the present invention should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be selected conventionally in the field, and should not be regarded as the utility model point of the present invention, and the present invention is not further specifically described in detail.
It will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides an infrared detector signal appearance for detect infrared detector's infrared correlation signal intensity degree, includes shell and circuit board, the circuit board install in the shell, its characterized in that, the circuit board includes infrared signal acquisition circuit, treater U2 and signal strength display circuit, infrared sensor J1 and infrared signal acquisition circuit's output with treater U2's input electric connection, treater U2's output with signal strength display circuit's input electric connection, wherein:
the infrared signal acquisition circuit comprises an operational amplifier U1A and an operational amplifier U1B, wherein a cathode input end of the operational amplifier U1A is electrically connected with an anode output end of the infrared sensor J1 sequentially through a resistor R3 and a capacitor C3, an output end of the operational amplifier U1A is electrically connected with a cathode input end of the operational amplifier U1B, and an output end of the operational amplifier U1B is electrically connected with an input end of the processor U2.
2. The infrared detector signal instrument as claimed in claim 1, wherein a capacitor C6 is connected between the negative input terminal and the output terminal of the operational amplifier U1A, a resistor R6 is connected in parallel with both ends of the capacitor C6, the positive input terminal of the operational amplifier U1A is connected to a power supply terminal VCC through a resistor R5, the positive input terminal of the operational amplifier U1A is further connected to ground through a resistor R4, and a capacitor C5 is connected in parallel with both ends of the resistor R4.
3. The infrared detector signal instrument as claimed in claim 2, wherein the 4 pins of the operational amplifier U1A are electrically connected to the positive input terminal of the operational amplifier U1B through a resistor R9, a resistor R7 is connected between the positive input terminal and the output terminal of the operational amplifier U1B, and a side of the resistor R7 close to the positive input terminal of the operational amplifier U1B is further connected to a power supply terminal VCC through a resistor R20.
4. An infrared detector signal meter as claimed in claim 3 wherein the signal strength display circuitry comprises LED D1, LED D2, LED D3, LED D4, LED D5, LED D6, LED D7 and LED D8 wherein:
the cathode of the LED D1 is grounded and the anode of the LED D1 is electrically connected with the 7 pins of the processor U2 through a resistor R12;
the cathode of the LED D2 is grounded and the anode of the LED D2 is electrically connected with the 6-pin of the processor U2 through a resistor R13;
the cathode of the LED D3 is grounded and the anode of the LED D3 is electrically connected to the 2 pin of the processor U2 through a resistor R14;
the cathode of the LED D4 is grounded and the anode of the LED D4 is electrically connected to the 1 pin of the processor U2 through a resistor R15;
the cathode of the LED D5 is grounded and the anode of the LED D5 is electrically connected with the 18 pin of the processor U2 through a resistor R16;
the cathode of the LED D6 is grounded and the anode of the LED D6 is electrically connected with the 8-pin of the processor U2 through a resistor R11;
the cathode of the LED D7 is grounded and the anode of the LED D7 is electrically connected to the 9 pin of the processor U2 through a resistor R10;
the cathode of the LED D8 is grounded and the anode of the LED D8 is electrically connected to the pin 17 of the processor U2 via a resistor R17.
5. The infrared detector signal meter of claim 4, wherein the circuit board further comprises a power circuit comprising a power supply J2 and a switch S1, wherein:
the anode of the power supply J2 is grounded through the switch S1, the resistor R8 and the light-emitting diode D10 in sequence, and the common connection end of the switch S1 and the resistor R8 is grounded through a capacitor C1, a capacitor C4 and a capacitor C2 respectively.
6. The infrared detector signal instrument as claimed in claim 5, wherein the circuit board further comprises a detection start circuit, the detection start circuit comprises a switch S2, one end of the switch S2 is grounded and the end of the switch S2 away from the ground is electrically connected to the pin 11 of the processor U2, and the end of the switch S2 away from the ground is further connected to a power supply terminal VCC through a resistor R1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122651510.3U CN216771989U (en) | 2021-10-29 | 2021-10-29 | Infrared detector signal instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122651510.3U CN216771989U (en) | 2021-10-29 | 2021-10-29 | Infrared detector signal instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216771989U true CN216771989U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122651510.3U Active CN216771989U (en) | 2021-10-29 | 2021-10-29 | Infrared detector signal instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216771989U (en) |
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2021
- 2021-10-29 CN CN202122651510.3U patent/CN216771989U/en active Active
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