Performance detection device for infrared signal receiver

Abstract

The utility model provides a performance detection device for an infrared signal receiver, and relates to the technical field of test equipment. The infrared signal receiver performance detection device comprises a base, an upper computer, an infrared signal generator, a lifting platform, an interference light source and a turntable, the lifting platform comprises a mounting seat and a table top, the table top is mounted on the mounting seat in a liftable manner, the infrared signal generator is placed on the table top, and the turntable is used for placing equipment to be detected and is rotatably mounted on the base. The distance between the mounting seat and the turntable is adjustable, the interference light source is positioned above the turntable, and the upper computer is used for acquiring the number of times of receiving the infrared signals by the to-be-tested equipment. Wherein the height of the infrared signal generator can be adjusted by lifting the table board; the rotating disc rotates to drive the to-be-tested equipment to rotate, so that the vertical angle difference between the to-be-tested equipment and the infrared signal generator can be adjusted, the interference light source simulates the interference of ambient light on infrared signals, and the whole device can carry out all-around performance testing on the infrared signal receiver and is beneficial to improving the testing reliability.

Description

Technical Field

[0001] The utility model relates to the technical field of testing equipment, in particular to a performance detection device for an infrared signal receiver. Background Art

[0002] In the prior art, the testing process of the device under test often relies on manual operation. Specifically, the operator needs to place the device under test on a specific test device and manually adjust various test variables to complete the test process. However, this testing method that relies entirely on manual labor has several significant disadvantages.

[0003] First, due to the large amount of manual operations involved in the testing process, the reliability of the test results is often low. Human errors, operational inconsistencies, and fatigue can all have a negative impact on the accuracy of the test results, thereby affecting the evaluation and control of product quality.

[0004] Secondly, the manual testing process is usually time-consuming and requires a lot of human resources, which not only increases the testing cost, but also limits the scale and efficiency of testing when human resources are limited, thus affecting the progress of product development and market response speed. Utility Model Content

[0005] The utility model provides an infrared signal receiver performance detection device, which is used to solve the defects in the prior art that the testing process relies on manual work, resulting in low testing efficiency and poor reliability.

[0006] The utility model provides an infrared signal receiver performance detection device, comprising a base, a host computer, an infrared signal generator, a lifting platform, an interference light source and a turntable, wherein the lifting platform comprises a mounting seat and a table top, the table top can be lifted and installed on the mounting seat, the infrared signal generator is placed on the table top, the turntable is used to place a device to be tested and can be rotatably installed on the base, the spacing between the mounting seat and the turntable is adjustable, the interference light source is located above the turntable, and the host computer is used to obtain the number of times the device to be tested receives the infrared signal.

[0007] According to the infrared signal receiver performance detection device provided by the utility model, the mounting seat can be slidably mounted on the base.

[0008] According to an infrared signal receiver performance detection device provided by the utility model, it also includes a sliding drive mechanism, the base is provided with a slide rail, the mounting seat is transmission-connected to the sliding drive mechanism, the mounting seat can be slidably mounted on the slide rail, and the host computer is electrically connected to the sliding drive mechanism.

[0009] According to an infrared signal receiver performance detection device provided by the utility model, two slide rails are provided in parallel, and the mounting seat is arranged across the two slide rails.

[0010] According to an infrared signal receiver performance detection device provided by the utility model, the lifting platform also includes a support rod and a lifting drive component, the lifting drive component is fixed to the mounting seat, the driving end of the lifting drive component is transmission-connected to the support rod, the table top is fixed to the support rod, and the host computer is electrically connected to the lifting drive component.

[0011] According to the infrared signal receiver performance detection device provided by the utility model, it also includes a ceiling, and the interference light source is installed on the ceiling and has an adjustable height.

[0012] According to the infrared signal receiver performance detection device provided by the utility model, it also includes a mounting rod, the interference light source is fixed to the mounting rod, the mounting rod is installed on the ceiling through a lifting mechanism, and the lifting mechanism is electrically connected to the host computer.

[0013] According to the infrared signal receiver performance detection device provided by the utility model, the interference light source is located between the lifting platform and the turntable.

[0014] According to the infrared signal receiver performance detection device provided by the utility model, it also includes an illuminance meter electrically connected to the host computer, and the illuminance meter is arranged on the turntable to detect the light intensity of the interference light source at the device to be tested.

[0015] According to an infrared signal receiver performance detection device provided by the utility model, the turntable is provided with a mounting groove, a transparent cover plate is installed at the groove opening of the mounting groove, and the illuminometer is located in the mounting groove.

[0016] The infrared signal receiver performance detection device provided by the embodiment of the utility model has a table top that can be raised and lowered and installed on a mounting seat, and the height of the infrared signal generator can be adjusted; the turntable can be rotatably installed on the base, and can drive the device to be tested to rotate, so that the vertical angle difference between the device to be tested and the infrared signal generator can be adjusted, and the interference light source simulates the interference of ambient light on the infrared signal. The entire device has a high level of automation, and can perform all-round performance tests on the infrared signal receiver, which helps to improve the reliability of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a structural schematic diagram of the infrared signal receiver performance detection device provided by the utility model;

[0019] Reference numerals:

[0020] 1. Base; 2. Lifting platform; 3. Infrared signal generating device; 4. Interference light source; 5. Equipment to be tested; 6. Turntable; 7. Slide rail; 8. Lux meter; 9. Ceiling. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The term "first" or "second" in the specification and claims of the utility model may explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, "multiple" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the related objects are in an "or" relationship.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Combine the following Figure 1 The utility model describes an infrared signal receiver performance detection device.

[0026] The utility model provides an infrared signal receiver performance detection device, such as Figure 1 As shown, it includes a base 1, a host computer, an infrared signal generator, a lifting platform 2, an interference light source 4 and a turntable 6. The lifting platform 2 includes a mounting seat and a table top, which can be lifted and installed on the base 1, and the infrared signal generator is placed on the lifting platform 2. The turntable 6 is used to place the device under test 5 and can be rotatably installed on the base 1, and the distance between the mounting seat and the turntable 6 is adjustable. The interference light source 4 is located above the turntable 6. The host computer is used to obtain the number of times the device under test 5 receives the infrared signal.

[0027] The table top is a flat placement table, and the infrared signal generator is placed on the table top to provide an infrared signal for the entire test. In one embodiment, the lifting platform 2 also includes a support rod and a lifting drive member, one end of the support rod is fixedly connected to the table top, and the other end is transmission-connected to the lifting drive member. Under the drive of the lifting drive member, the height of the table top from the ground changes, driving the height of the infrared signal generator to change, and adjusting the vertical height difference between the infrared signal generator and the device to be tested 5. In another embodiment, the lifting platform 2 includes a screw assembly, the screw of the screw assembly is vertically arranged, the table top is fixedly connected to the slider of the screw assembly, and when the screw rotates, the table top moves up and down with the slider.

[0028] In one embodiment, the mounting base can slide along the base 1, driving the infrared signal generator to move closer to or away from the turntable 6, thereby adjusting the distance between the infrared signal generator and the device under test 5. In another embodiment, the turntable 6 can be slidably mounted on the base 1, and when the turntable 6 slides along the base 1, the distance between the infrared signal generator and the device under test 5 can also be adjusted.

[0029] The device under test 5 is a device with an infrared signal receiving device. The turntable 6 drives the device under test 5 to rotate with the vertical direction as the axis, adjusts the relative position of the device under test 5 and the infrared signal generator during the test, and cooperates with the lifting platform 2 to adjust the vertical angle difference between the device under test 5 and the infrared signal generator. Specifically, the turntable 6 is connected to the rotating drive member, and the turntable 6 rotates under the drive of the rotating drive member. The upper computer is electrically connected to the rotating drive member to control the turntable 6 to rotate and adjust it based on the rotation accuracy of 1°. The interference light source 4 can be installed on the base 1 or suspended above the turntable 6. The light emitted by the interference light source 4 can interfere with the infrared signal.

[0030] The infrared signal receiver performance detection device provided by the embodiment of the utility model has a table top that can be raised and lowered and installed on the mounting base, and the height of the infrared signal generator can be adjusted; the turntable 6 can be rotatably installed on the base 1, and can drive the device to be tested 5 to rotate, so that the vertical angle difference between the device to be tested 5 and the infrared signal generator can be adjusted, and the interference light source 4 simulates the interference of ambient light on the infrared signal. The whole device can perform a full range of performance tests on the infrared signal receiver.

[0031] like Figure 1 As shown, the mounting seat can be slidably mounted on the base 1.

[0032] In a specific embodiment, the infrared signal receiver performance detection device further includes a sliding drive mechanism, the base 1 is provided with a slide rail 7, the mounting seat is transmission-connected to the sliding drive mechanism, and the mounting seat slides along the slide rail 7 under the drive of the sliding drive mechanism. The sliding drive mechanism is electrically connected to the host computer, and the moving distance of the mounting seat along the slide rail 7 is controlled by the host computer. Optionally, the displacement accuracy of the mounting seat is 1 mm, and the distance between the infrared signal generator and the device to be tested 5 is accurately adjusted by the host computer.

[0033] In another specific embodiment, a screw assembly is installed on the base 1, and the mounting seat is connected to the sliding rod of the screw assembly, and the mounting seat is driven to move linearly through the transmission of the screw assembly.

[0034] Optionally, two slide rails 7 are arranged in parallel, and the mounting seat is arranged across the two slide rails 7 to achieve smooth sliding of the mounting seat. The slide rail 7 extends from the lifting platform 2 toward the turntable 6. When the mounting seat slides along the slide rail 7, the lifting platform 2 drives the infrared signal generator to approach or move away from the turntable 6.

[0035] In one embodiment, the lifting platform 2 further includes a support rod and a lifting drive member, the lifting drive member is fixed to the mounting seat, the driving end of the lifting drive member is transmission-connected to the support rod, and the table top is fixed to the support rod. The host computer is electrically connected to the lifting drive member.

[0036] The lifting drive member drives the table to move vertically up and down to adjust the height of the infrared signal generator. Specifically, the displacement accuracy of the lifting drive member is 1mm, and the upper computer controls the lifting drive member to drive the table to move up and down.

[0037] Specifically, the infrared signal receiver performance detection device also includes a ceiling 9, and the interference light source 4 is installed on the ceiling 9 and is height-adjustable. For example, the infrared signal receiver performance detection device also includes a mounting rod, and the interference light source 4 is fixed to the mounting rod. The mounting rod is installed on the ceiling 9 through a lifting mechanism, and the lifting mechanism is electrically connected to the upper machine. The lifting mechanism includes a linear cylinder, which is fixed to the ceiling 9 and connected to the mounting rod to drive the mounting rod to move up and down. Of course, the mounting rod can be a telescopic rod, and the position of the interference light source 4 is controlled by adjusting the total length of the mounting rod. Of course, the interference light source 4 can also be installed on the base 1 through a vertical pole.

[0038] like Figure 1 As shown, the interference light source 4 is located between the lifting platform 2 and the turntable 6 and above the turntable 6 to provide interference for the infrared signal. The host computer can adjust the distance between the interference light source 4 and the base 1, the brightness and color temperature of the interference light source 4, so as to simulate different test environments.

[0039] In order to facilitate the control of the interference light source 4, an illuminance meter 8 is also installed on the turntable 6, and the illuminance meter 8 is electrically connected to the host computer. The illuminance meter 8 is used to detect the light intensity of the interference light source 4 at the device under test 5.

[0040] In one embodiment, the turntable 6 is provided with a mounting groove, a transparent cover is installed at the notch of the mounting groove, the illuminometer 8 is fixed in the mounting groove, and the detection end of the illuminometer 8 detects the light intensity of the interference light source 4 at the device under test 5 through the transparent cover. In another embodiment, the turntable 6 is provided with a light-transmitting hole, the illuminometer 8 is fixed under the turntable 6, and detects the light intensity of the interference light source 4 at the device under test 5 through the light-transmitting hole.

[0041] The infrared signal receiver performance detection device provided by the embodiment of the utility model, when testing, places the device under test 5 on the turntable 6. Specifically, the device under test 5 is placed at the rotation axis position of the turntable 6, and the interference light source 4 is located 20 cm in front of the device under test 5 and 20 cm above it. The front of the device under test 5 refers to the side of the device under test 5 close to the lifting platform 2. The host computer compiles the infrared signal required by the device under test 5 and confirms that the signal is valid.

[0042] When testing the effective infrared signal receiving distance, control the interference light source 4 to make the test environment illumination 300 lux, control the turntable 6 to make the test angle 0°, and then control the turntable 6 to rotate at a displacement interval of +1 cm. Perform ten tests at each displacement interval and record the signal recognition rate. The distance minus 1 cm when the signal recognition rate is less than 90% is recorded as the effective infrared signal receiving distance Dis. The test angle of 0° means that the emission direction of the infrared signal generator is perpendicular to the device under test 5, and the test angle can be adjusted by rotating the turntable 6.

[0043] When conducting an effective infrared signal receiving brightness test, the test distance between the lifting platform 2 and the turntable 6 is controlled to be 3m, the turntable 6 is controlled to make the test angle 0°, and the light intensity of the interfering light source 4 is adjusted from 0lux to +10lux as the illumination interval. Ten tests are performed at each illumination interval, and the signal recognition rate is recorded. The illumination when the signal recognition rate is less than 90% minus 10lux is recorded as the effective infrared signal receiving brightness Lum.

[0044] When conducting an effective infrared signal reception horizontal angle test, the test distance between the lifting platform 2 and the turntable 6 is controlled to be 3m, and the interference light source 4 is controlled to make the test environment illumination 300lux. Starting from the test angle of 0°, the angle is adjusted by rotating to the left by +1° and to the right by -1°. Ten tests are performed at each angle interval, and the signal recognition rate is recorded. The illumination when the signal recognition rate is less than 90% minus / plus 1° is recorded as the effective infrared signal reception horizontal angle V_Ang_L and V_Ang_R.

[0045] When conducting an effective infrared signal reception vertical angle test, the test distance between the lifting platform 2 and the turntable 6 is controlled to be 3m, and the interference light source 4 is controlled to make the test environment illumination 300lux. Starting from 0°, the angle is adjusted by rotating upward by +1° and downward by -1°. Ten tests are performed at each angle interval, and the signal recognition rate is recorded. The illumination when the signal recognition rate is less than 90% minus / plus 1° is recorded as the effective infrared signal reception vertical angle H_Ang_L and H_Ang_R.

[0046] When conducting an infrared signal receiving distance test under harsh conditions, the interference light source 4 is controlled to make the test environment illumination Lum, and the test angles are V_Ang_L, V_Ang_R, H_Ang_L, and H_Ang_R, respectively. Starting from the edge of the turntable 6, the test is adjusted with a displacement interval of +1m. Ten tests are performed at each displacement interval, and the signal recognition rate is recorded. The values ​​obtained by subtracting 1mm from the distance when the signal recognition rate is less than 90% are recorded as Dis_1, Dis_2, Dis_3, and Dis_4, respectively. The minimum value of the four is taken as the infrared signal receiving distance under harsh conditions.

[0047] When conducting an infrared signal reception illumination test under harsh conditions, the test distance between the lifting platform 2 and the turntable 6 is controlled to be Dis, and the test angles are V_Ang_L, V_Ang_R, H_Ang_L, and H_Ang_R, respectively. Starting from 0lux, the illumination is adjusted with an interval of +10lux. Ten tests are performed at each interval, and the signal recognition rate is recorded. The values ​​obtained by subtracting 10lux from the illumination when the signal recognition rate is less than 90% are recorded as Lum_1, Lum_2, Lum_3, and Lum_4, respectively. The minimum value of the four is taken as the infrared signal reception illumination under harsh conditions.

[0048] When performing the infrared signal reception horizontal angle test under harsh conditions, the test distance between the lifting platform 2 and the turntable 6 is controlled to be Dis, the test environment illumination is Lum, and the angle is adjusted from 0° to the left by rotating +1° and to the right by -1°. Ten tests are performed at each interval, and the signal recognition rate is recorded. The illumination minus / plus 1° when the signal recognition rate is less than 90% is recorded as the infrared signal reception horizontal angle under harsh conditions.

[0049] When performing the infrared signal reception vertical angle test under harsh conditions, the test distance between the lifting platform 2 and the turntable 6 is controlled to be Dis, the test environment illumination is Lum, and the angle is adjusted at intervals of +1° upward rotation and -1° downward rotation. Ten tests are performed at each interval, and the signal recognition rate is recorded. The illumination when the signal recognition rate is less than 90% minus / plus 1° is recorded as the infrared signal reception vertical angle under harsh conditions.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An infrared signal receiver performance detection device, characterized in that: It includes a base, a host computer, an infrared signal generator, a lifting platform, an interference light source and a turntable. The lifting platform includes a mounting seat and a table top. The table top can be lifted and installed on the mounting seat. The infrared signal generator is placed on the table top. The turntable is used to place the device under test and can be rotatably installed on the base. The distance between the mounting seat and the turntable is adjustable. The interference light source is located above the turntable. The host computer is used to obtain the number of times the device under test receives the infrared signal.

2. The infrared signal receiver performance detection device according to claim 1, characterized in that: The mounting seat can be slidably mounted on the base.

3. The infrared signal receiver performance detection device according to claim 2, characterized in that: It also includes a sliding drive mechanism, the base is provided with a slide rail, the mounting seat is transmission-connected with the sliding drive mechanism, the mounting seat can be slidably mounted on the slide rail, and the host computer is electrically connected with the sliding drive mechanism.

4. The infrared signal receiver performance detection device according to claim 3, characterized in that: The slide rails are provided in two parallel directions, and the mounting seat is arranged across the two slide rails.

5. The infrared signal receiver performance detection device according to claim 1, characterized in that: The lifting platform also includes a support rod and a lifting drive member, the lifting drive member is fixed to the mounting seat, the driving end of the lifting drive member is transmission-connected to the support rod, the table top is fixed to the support rod, and the host computer is electrically connected to the lifting drive member.

6. The infrared signal receiver performance detection device according to claim 1, characterized in that: It also includes a ceiling, and the interference light source is installed on the ceiling and has an adjustable height.

7. The infrared signal receiver performance detection device according to claim 6, characterized in that: It also includes a mounting rod, the interference light source is fixed to the mounting rod, the mounting rod is installed on the ceiling through a lifting mechanism, and the lifting mechanism is electrically connected to the host computer.

8. The infrared signal receiver performance detection device according to claim 1, characterized in that: The interfering light source is located between the lifting platform and the turntable.

9. The infrared signal receiver performance detection device according to claim 1, characterized in that: It also includes an illuminometer electrically connected to the host computer, wherein the illuminometer is arranged on the turntable and is used to detect the light intensity of the interfering light source at the device to be tested.

10. The infrared signal receiver performance detection device according to claim 9, characterized in that: The turntable is provided with a mounting groove, a transparent cover plate is installed at the groove opening of the mounting groove, and the illuminometer is located in the mounting groove.

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