Jig system for testing infrared sensing performance of intelligent doorbell

By designing a fixture system for smart door sterilization, using heat source modules and fixture modules to simulate heat sources at different distances and angles, the problem of large space occupation and low testing efficiency in traditional testing methods is solved, and efficient and accurate infrared sensing performance testing is achieved.

CN222850694UActive Publication Date: 2025-05-09TRANTEST PRECISION (CHINA) CO LTD
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Patent Information

Application Number
CN202421235392.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-05-09
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

In the production and manufacturing process of smart doorbells, how to efficiently and accurately test its infrared sensing performance is an urgent problem. Traditional testing methods have problems such as large space occupancy and low testing efficiency.

Method used

A fixture system for infrared sensing performance testing of smart doorbells is designed, which includes a heat source module and a fixture module. The heat source module simulates heat sources at different distances through a variable exposed heat source area and a movable shading assembly; the fixture module simulates the visitor's activities at different angles in front of the doorbell through a swingable mount.

Benefits of technology

It realizes comprehensive and efficient testing of the infrared sensing performance of smart doorbells in a smaller space, improves the accuracy and reliability of the test, and has the advantages of small space occupation and high testing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of test jigs, and particularly relates to a jig system for testing the infrared sensing performance of an intelligent doorbell. Comprising a heat source module, an exposed heat source is formed on the heat source module, and the heat source module can change the area of the exposed heat source; the jig module is arranged right in front of the heat source module, the front end of the jig module is provided with a mounting seat for placing an intelligent doorbell, the intelligent doorbell mounted on the mounting seat faces the exposed heat source, and the mounting seat can relatively swing up and down and left and right; wherein the change of the area of the exposed heat source is used for simulating the change of the relative distance between a heating object and the intelligent doorbell, and the swing of the intelligent doorbell is used for simulating the change of the relative angle between the heating object and the intelligent doorbell. The intelligent doorbell infrared sensing performance testing device can achieve comprehensive testing of the intelligent doorbell infrared sensing performance by simulating heat sources at different positions and angles, and has the advantages of being small in occupied space and high in testing efficiency.
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Description

Technical Field

[0001] The utility model belongs to the technical field of test fixtures, and in particular relates to a fixture system for testing infrared sensing performance of an intelligent doorbell. Background Art

[0002] With the rapid development of smart home technology, smart doorbells, as an important part of home security, have become more and more versatile and have higher and higher performance requirements. Smart doorbells usually integrate a variety of smart sensors, among which infrared sensors are one of their core components. Infrared sensors detect infrared radiation from the human body to accurately perceive visitor activities, thereby triggering doorbell devices or starting cameras to record visitor information. The application of this technology not only improves the user experience, but also greatly enhances home security.

[0003] However, in the manufacturing process of smart doorbells, how to efficiently and accurately test their infrared sensing performance has become an urgent problem to be solved. Traditional testing methods usually rely on module motion testing, that is, fixing the smart doorbell in a larger space and moving the heat source to simulate the scene of visitors approaching or moving away from the doorbell, as well as the movement of visitors at different angles in front of the doorbell. Although this method can test the infrared sensor's ability to perceive the distance and angle of the heat source, it has the disadvantages of large space occupation and low test efficiency.

[0004] Therefore, there is an urgent need for a fixture system for testing the infrared sensing performance of smart doorbells that occupies little space during testing and has high testing efficiency. Utility Model Content

[0005] The purpose of the utility model is to address the deficiencies in the prior art and provide a fixture system for testing the infrared sensing performance of a smart doorbell. The fixture system can simulate heat sources at different positions and angles to achieve a comprehensive test of the infrared sensing performance of the smart doorbell, and has the advantages of small space occupation and high test efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A fixture system for testing the infrared sensing performance of a smart doorbell, comprising:

[0008] A heat source module, wherein an exposed heat source is formed on the heat source module, and the heat source module can change the area size of the exposed heat source;

[0009] A fixture module is arranged in front of the heat source module, and a mounting seat for placing a smart doorbell is arranged at the front end of the fixture module. The smart doorbell mounted on the mounting seat faces the exposed heat source, and the mounting seat can swing up, down, left, and right relatively;

[0010] The change in the size of the area exposed to the heat source is used to simulate the change in the relative distance between the heat-generating object and the smart doorbell, and the swinging of the smart doorbell is used to simulate the change in the relative angle between the heat-generating object and the smart doorbell.

[0011] Furthermore, the heat source module includes a heat source frame, a heat source body arranged on the heat source frame, and a shielding component movably arranged in front of the heat source body, and the exposed heat source is the portion of the heat source body that is not shielded by the shielding component.

[0012] Furthermore, the shielding assembly includes an upper shielding member and a lower shielding member that can move up and down, and a left shielding member and a right shielding member that can move left and right.

[0013] Furthermore, a heat source linear mechanism is provided in the heat source frame, and the heat source linear mechanism is used to drive the shielding component to move.

[0014] Furthermore, the jig module includes a jig frame, and the jig frame is provided with a left-right swing mechanism and an up-down swing mechanism for driving the mounting seat to swing up-down, left-right and right-left.

[0015] Furthermore, the left-right swing mechanism is installed on the jig frame, the up-down swing mechanism is installed on the left-right swing mechanism, and the mounting seat is arranged on the up-down swing mechanism.

[0016] Furthermore, the left and right swing mechanism includes a first motor, which is transmission-connected to a vertically arranged first rotating shaft, and the end of the first rotating shaft is connected to a transverse plate. The first motor is used to drive the transverse plate to swing laterally along the first rotating shaft, and the up and down swing mechanism is installed on the transverse plate.

[0017] Furthermore, the up and down swing mechanism includes a second motor installed on the transverse plate, the second motor is transmission-connected to a second transversely arranged shaft, the end of the second shaft is connected to a longitudinal plate, the second motor is used to drive the longitudinal plate to swing longitudinally along the second shaft, and the mounting seat is arranged on the longitudinal plate.

[0018] Furthermore, the jig system also includes an alignment module, the jig module is installed on the alignment module, and the alignment module is used to drive the jig module to move so that the smart doorbell is aligned with the center of the exposed heat source.

[0019] Furthermore, the alignment module includes a bracket, a longitudinal guide rail is provided on the bracket, a transverse guide rail is provided on a slider of the longitudinal guide rail, and the fixture module is installed on the slider of the transverse guide rail.

[0020] Beneficial effects of the utility model:

[0021] The utility model provides a heat source module that can change the size of the exposed heat source to simulate a visitor approaching or moving away from the doorbell, and provides a fixture module to enable the smart doorbell to swing within a certain range to simulate the activities of the visitor in front of the doorbell, thereby realizing a comprehensive and efficient test of the infrared sensing performance of the smart doorbell in a relatively small space; by providing a movable shielding component on the heat source module, the exposed heat source area can be flexibly adjusted to simulate the heat source effect at different distances; by providing a left-right swing mechanism and an up-and-down swing mechanism on the fixture module, the smart doorbell on the mounting base can be swung in all directions to simulate infrared sensing scenes at different angles; by providing an alignment module, the fixture module can be moved precisely to ensure that the smart doorbell is aligned with the center of the exposed heat source, thereby improving the accuracy and reliability of the test; the utility model can realize a comprehensive test of the infrared sensing performance of the smart doorbell by simulating heat sources at different positions and angles, and has the advantages of small space occupation and high test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Attached Figure 1 It is a structural schematic diagram of the fixture system of the utility model;

[0023] Attached Figure 2 It is a schematic diagram of the explosion structure of the heat source module of the utility model;

[0024] Attached Figure 3 It is a structural schematic diagram of the fixture module and the alignment module of the utility model;

[0025] Attached Figure 4 It is a structural schematic diagram of the fixture module of the utility model;

[0026] Attached Figure 5 It is a schematic diagram of the partial explosion structure of the fixture module of the utility model;

[0027] Markings in the figure: 1-heat source module, 110-heat source frame, 120-heat source body, 121-exposed heat source, 130-shielding assembly, 131-upper shielding member, 132-lower shielding member, 133-left shielding member, 134-right shielding member, 140-heat source linear mechanism; 2-jig module, 210-mounting seat, 220-jig frame, 230-left and right swing mechanism, 231-first motor, 232-first rotating shaft, 233-transverse plate, 240-up and down swing mechanism, 241-second motor, 242-second rotating shaft, 243-longitudinal plate; 3-alignment module, 310-bracket, 320-longitudinal guide rail, 330-transverse guide rail; 4-smart doorbell. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0029] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] See attached Figure 1 To Attachment Figure 5 , the figure shows a specific embodiment of a fixture system for testing the infrared sensing performance of a smart doorbell provided by the utility model.

[0033] See attached Figure 1 , the fixture system used for smart doorbell infrared sensing performance testing includes:

[0034] A heat source module 1, wherein an exposed heat source 121 is formed on the heat source module 1, and the heat source module 1 can change the size of the exposed heat source 121;

[0035] A fixture module 2 is arranged in front of the heat source module 1. A mounting seat 210 for placing the smart doorbell 4 is arranged at the front end of the fixture module 2. The smart doorbell 4 mounted on the mounting seat 210 faces the exposed heat source 121. The mounting seat 210 can swing up and down and left and right relatively.

[0036] Among them, the change in the area size of the exposed heat source 121 is used to simulate the change in the relative distance between the heat-generating object and the smart doorbell 4, and the swing of the smart doorbell 4 is used to simulate the change in the relative angle between the heat-generating object and the smart doorbell 4.

[0037] See attached Figure 1 and attached Figure 3 In the above embodiment, the heat source module 1 and the fixture module 2 are arranged relative to each other and the smart doorbell 4 is aligned with the center of the exposed heat source 121. The heat source module 1 changes the size of the exposed heat source 121. Based on the principle that the near is large and the far is small, the change in the area of ​​the exposed heat source 121 simulates the change in the relative distance between the heat-generating object and the smart doorbell 4, that is, simulates the situation where the visitor approaches or moves away from the smart doorbell 4. The mounting base 210 of the fixture module 2 can swing up and down and left and right to simulate the change in the relative angle between the heat-generating object and the smart doorbell 4, that is, simulates the activities of the visitor in front of the doorbell. In this embodiment, the heat source module 1 and the fixture module 2 cooperate to achieve a comprehensive and efficient test of the infrared sensing performance of the smart doorbell 4 in a smaller space.

[0038] See attached Figure 2 In the above embodiment, the heat source module 1 includes a heat source frame 110, a heat source body 120 disposed on the heat source frame 110, and a shielding component 130 movably disposed in front of the heat source body 120, and the exposed heat source 121 is the portion of the heat source body 120 that is not shielded by the shielding component 130. In the embodiment, the shielding component 130 shields the front of the heat source body 120, and by changing the shielding range of the shielding component 130, the size of the exposed heat source 121 is adjusted, so as to achieve flexible adjustment of the exposed heat source area, thereby simulating the heat source effect at different distances.

[0039] See attached Figure 2 In the above embodiment, the shielding assembly 130 includes an upper shielding member 131 and a lower shielding member 132 that can move up and down, and a left shielding member 133 and a right shielding member 134 that can move left and right. In the embodiment, the shielding assembly 130 is composed of 4 pieces of shielding cotton, there is a certain gap between the upper shielding member 131 and the lower shielding member 132, and there is a certain gap between the left shielding member 133 and the right shielding member 134. The rectangular hollow area formed by the gap is used to expose part of the heat source body 120, and the exposed part is the exposed heat source 121; by adjusting the size of the gap between the upper shielding member 131 and the lower shielding member 132, and the size of the gap between the left shielding member 133 and the right shielding member 134, the size of the area of ​​the exposed heat source 121 can be changed.

[0040] See attached Figure 2 In the above embodiment, a heat source linear mechanism 140 is further provided in the heat source frame 110, and the heat source linear mechanism 140 is used to drive the shielding assembly 130 to move. In the embodiment, a transmission belt for horizontal transmission is provided at the upper and lower ends of the heat source frame 110, which is used to drive the left shielding member 133 and the right shielding member 134 to move left and right, and a transmission belt for vertical transmission is provided at the left and right ends of the heat source frame 110, which is used to drive the upper shielding member 131 and the lower shielding member 132 to move up and down.

[0041] See attached Figure 4 and attached Figure 5 In the above embodiment, the fixture module 2 includes a fixture frame 220, and the fixture frame 220 is provided with a left-right swing mechanism 230 and an up-down swing mechanism 240, which are used to drive the mounting seat 210 to swing up and down. In the embodiment, the left-right swing mechanism 230 drives the mounting seat 210 to swing left and right, and the up-down swing mechanism 240 drives the mounting seat 210 to swing up and down. The two cooperate to drive the mounting seat 210 to swing up and down and left and right at all angles, thereby changing the relative angle of the exposed heat source 121 in the smart doorbell 4, so as to test the detection visual effect of the smart doorbell within the FOV range.

[0042] See attached Figure 4 and attached Figure 5 In the above embodiment, the left-right swing mechanism 230 is installed on the fixture frame 220, the up-down swing mechanism 240 is installed on the left-right swing mechanism 230, and the mounting seat 210 is arranged on the up-down swing mechanism 240. In some optional embodiments, the up-down swing mechanism 240 can also be installed on the fixture frame 220, and the left-right swing mechanism 230 is installed on the up-down swing mechanism 240, and the mounting seat 210 is arranged on the left-right swing mechanism 230, and the full-angle swing of the smart doorbell 4 is realized by the cooperation of the two.

[0043] See attached Figure 4 and attached Figure 5In the above embodiment, the left-right swing mechanism 230 includes a first motor 231, which is connected to a first vertically arranged shaft 232, and a transverse plate 233 is connected to the end of the first shaft 232. The first motor 231 is used to drive the transverse plate 233 to swing transversely along the first shaft 232, and the up-down swing mechanism 240 is installed on the transverse plate 233. The up-down swing mechanism 240 includes a second motor 241 installed on the transverse plate 233, which is connected to a second horizontally arranged shaft 242, and a longitudinal plate 243 is connected to the end of the second shaft 242. The second motor 241 is used to drive the longitudinal plate 243 to swing longitudinally along the second shaft 242, and the mounting seat 210 is arranged on the longitudinal plate 243. In the embodiment, the first motor 231 is arranged vertically, and is connected to the synchronous wheel on the first rotating shaft 232 through a synchronous belt, so as to drive the first rotating shaft 232 to rotate; the first rotating shaft 232 is fixedly provided with a transverse plate 233 at one end away from its own synchronous wheel, and the first rotating shaft 232 is connected to one end of the transverse plate 233, so that the other end of the transverse plate 233 is in a state of being able to swing left and right. The second motor 241 is installed horizontally on the transverse plate 233, and is connected to the synchronous wheel of the second rotating shaft 242 through a synchronous belt, so as to drive the second rotating shaft 242 to rotate; the second rotating shaft 242 is fixedly provided with a longitudinal plate 243 at one end away from its own synchronous wheel, and the second rotating shaft 242 is connected to one end of the longitudinal plate 243, so that the other end of the longitudinal plate 243 is in a state of being able to swing up and down. In the embodiment, the mounting seat 210 is disposed at one end of the longitudinal plate 243 away from the second rotating shaft 242, and the mounting seat 210 is spatially coaxial with the first rotating shaft 232, so that when the first rotating shaft 232 rotates, the left and right swing angle of the mounting seat 210 is the same as that of the first rotating shaft 232.

[0044] See attached Figure 3 In the above embodiment, the fixture system further includes an alignment module 3, the fixture module 2 is mounted on the alignment module 3, and the alignment module 3 is used to drive the fixture module 2 to move so that the smart doorbell 4 is aligned with the center of the exposed heat source 121. In the embodiment, by introducing the alignment module 3, the fixture module 2 can be moved accurately to ensure that the smart doorbell 4 is aligned with the center of the exposed heat source 121, thereby achieving control of the implementation variables and improving the accuracy and reliability of the test.

[0045] See attached Figure 3 In the above embodiment, the alignment module 3 includes a bracket 310, a longitudinal guide rail 320 is provided on the bracket 310, a transverse guide rail 330 is provided on the slider of the longitudinal guide rail 320, and the fixture module 2 is installed on the slider of the transverse guide rail 330. In the embodiment, the longitudinal guide rail 320 and the transverse guide rail 330 in the alignment module 3 are designed so that the fixture module 2 can move freely in the horizontal and vertical directions, so as to facilitate the alignment operation of the smart doorbell 4 and the exposed heat source 121.

[0046] In summary, the present embodiment provides a fixture system for testing the infrared sensing performance of a smart doorbell. By setting a heat source module 1 that can change the size of the exposed heat source 121, it simulates a visitor approaching or moving away from the doorbell. By setting a fixture module 2, the smart doorbell 4 can be swung within a certain range to simulate the activities of the visitor in front of the doorbell, thereby achieving a comprehensive and efficient test of the infrared sensing performance of the smart doorbell 4 in a relatively small space. By setting a movable shielding component 130 on the heat source module 1, the area of ​​the exposed heat source 121 can be flexibly adjusted, thereby simulating the heat sources at different distances. Effect: By setting the left and right swing mechanism 230 and the up and down swing mechanism 240 on the fixture module 2, the smart doorbell 4 on the mounting base 210 can swing in all directions to simulate infrared sensing scenes at different angles; by setting the alignment module 3, the fixture module 2 can move precisely to ensure that the smart doorbell 4 is aligned with the center of the exposed heat source 121, thereby improving the accuracy and reliability of the test; this embodiment can achieve a comprehensive test of the infrared sensing performance of the smart doorbell 4 by simulating heat sources at different positions and angles, and has the advantages of small space occupancy and high test efficiency.

[0047] The embodiment described above is only one of the more preferred specific embodiments of the present invention. Common changes and substitutions made by technicians in this field within the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixture system for testing the infrared sensing performance of a smart doorbell, characterized in that: include: A heat source module (1), wherein an exposed heat source (121) is formed on the heat source module (1), and the heat source module (1) can change the area size of the exposed heat source (121); A fixture module (2) is arranged directly in front of the heat source module (1), and a mounting seat (210) for placing a smart doorbell (4) is provided at the front end of the fixture module (2); the smart doorbell (4) mounted on the mounting seat (210) faces the exposed heat source (121), and the mounting seat (210) can swing up and down and left and right relatively; The change in the size of the exposed heat source (121) is used to simulate a change in the relative distance between the heat-generating object and the smart doorbell (4), and the swinging of the smart doorbell (4) is used to simulate a change in the relative angle between the heat-generating object and the smart doorbell (4).

2. According to claim 1, a fixture system for testing the infrared sensing performance of a smart doorbell is characterized in that: The heat source module (1) comprises a heat source frame (110), a heat source body (120) arranged on the heat source frame (110), and a shielding component (130) movably arranged in front of the heat source body (120), and the exposed heat source (121) is the portion of the heat source body (120) that is not shielded by the shielding component (130).

3. A fixture system for testing the infrared sensing performance of a smart doorbell according to claim 2, characterized in that: The shielding assembly (130) comprises an upper shielding member (131) and a lower shielding member (132) that can move up and down, and a left shielding member (133) and a right shielding member (134) that can move left and right.

4. A fixture system for testing the infrared sensing performance of a smart doorbell according to claim 2, characterized in that: A heat source linear mechanism (140) is also provided in the heat source frame (110), and the heat source linear mechanism (140) is used to drive the shielding component (130) to move.

5. A fixture system for testing the infrared sensing performance of a smart doorbell according to any one of claims 1 to 4, characterized in that: The jig module (2) comprises a jig frame (220), and the jig frame (220) is provided with a left-right swing mechanism (230) and an up-down swing mechanism (240) for driving the mounting seat (210) to swing up-down, left-right, and right-left.

6. A fixture system for testing the infrared sensing performance of a smart doorbell according to claim 5, characterized in that: The left-right swing mechanism (230) is mounted on the fixture frame (220), the up-down swing mechanism (240) is mounted on the left-right swing mechanism (230), and the mounting seat (210) is disposed on the up-down swing mechanism (240).

7. A fixture system for testing the infrared sensing performance of a smart doorbell according to claim 6, characterized in that: The left-right swing mechanism (230) comprises a first motor (231), the first motor (231) being drivingly connected to a first rotating shaft (232) arranged vertically, the end of the first rotating shaft (232) being connected to a transverse plate (233), the first motor (231) being used to drive the transverse plate (233) to swing laterally along the first rotating shaft (232), and the up-down swing mechanism (240) being mounted on the transverse plate (233).

8. A fixture system for testing the infrared sensing performance of a smart doorbell according to claim 7, characterized in that: The up-and-down swing mechanism (240) comprises a second motor (241) mounted on the transverse plate (233); the second motor (241) is drivingly connected to a second rotating shaft (242) arranged transversely; the end of the second rotating shaft (242) is connected to a longitudinal plate (243); the second motor (241) is used to drive the longitudinal plate (243) to swing longitudinally along the second rotating shaft (242); and the mounting seat (210) is arranged on the longitudinal plate (243).

9. A fixture system for testing the infrared sensing performance of a smart doorbell according to any one of claims 1 to 4, characterized in that: The jig system further comprises an alignment module (3), the jig module (2) being mounted on the alignment module (3), and the alignment module (3) being used to drive the jig module (2) to move so as to align the smart doorbell (4) with the center of the exposed heat source (121).

10. A fixture system for testing the infrared sensing performance of a smart doorbell according to claim 9, characterized in that: The alignment module (3) comprises a bracket (310), a longitudinal guide rail (320) is provided on the bracket (310), a transverse guide rail (330) is provided on a slider of the longitudinal guide rail (320), and the fixture module (2) is mounted on the slider of the transverse guide rail (330).