Device for detecting ITO (Indium Tin Oxide) surface resistance of vehicle-mounted radar

Abstract

The utility model relates to a device for detecting vehicle-mounted radar ITO surface resistance, which comprises a positioning mechanism, a resistance testing mechanism, a lifting mechanism, a marking mechanism and a control system, a side plate is arranged on the side edge of the positioning mechanism, a lifting mechanism assembly is fixed at the upper end of the side plate, a first fixing plate is fixed at the output end of the lifting mechanism, and a second fixing plate is fixed at the output end of the marking mechanism. The resistance testing mechanism is fixed to the right side of the first fixing plate, the marking mechanism is fixed to the left side of the first fixing plate, and the control system is electrically connected with the lifting mechanism and the resistance testing mechanism. The resistance detection efficiency of the laser radar can be improved, and the silver paste electrode is prevented from falling off in the detection process.

Description

Technical Field

[0001] The utility model relates to the technical field of resistance detection equipment, in particular to a device for detecting the surface resistance of ITO of vehicle-mounted radar. Background Art

[0002] A lidar is a radar system that detects the position, speed and other characteristic quantities of a target by emitting laser beams. It is an active remote sensing device that uses a laser as the emission light source and adopts photoelectric detection technology means. The lidar is an advanced detection method that combines laser technology and modern optoelectronic detection technology. With the development of automotive autonomous driving technology, the lidar plays a very important role. Especially the lidar with a heating function. An ITO film and silver paste are added to the surface. The heating function of the lidar is mainly generated by the ITO film layer after being energized, which requires the resistance of the ITO film layer to be detected. Generally, silver paste lines are arranged at both ends of the ITO film layer on the surface of the vehicle-mounted radar to play the role of power-on. However, the existing testing devices need to be manually operated and are prone to wear the silver paste, resulting in the silver paste falling off. Content of the Utility Model

[0003] The purpose of the utility model is to provide a device for detecting the surface resistance of ITO of vehicle-mounted radar, which can improve the resistance detection efficiency of the lidar and avoid the silver paste electrode falling off during the detection process.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: A device for detecting the surface resistance of ITO of vehicle-mounted radar, including a positioning mechanism, a resistance testing mechanism, a lifting mechanism, a marking mechanism and a control system. A side plate is arranged on the side of the positioning mechanism. An assembly of the lifting mechanism is fixed at the upper end of the side plate. The output end of the lifting mechanism is fixed with a first fixing plate. The resistance testing mechanism is fixed on the right side of the first fixing plate. The marking mechanism is fixed on the left side of the first fixing plate. The control system is electrically connected to the lifting mechanism and the resistance testing mechanism.

[0005] Further, the positioning mechanism includes a base, an insertion piece and a support seat. The insertion piece is arranged above the base. The support seat for fixing the vehicle-mounted radar is arranged on the insertion piece. A radar positioning seat is fixed above the support seat. The insertion piece is a triangular block with a triangular cross-section. The lower end of the triangular block faces the side where the side plate is located. The side plate is fixed on the side of the base.

[0006] Further, the lifting mechanism includes a top plate, a first telescopic cylinder, and a sliding module. The top plate is fixed to the upper end of the side plate. A first opening is formed in the side plate. The first telescopic cylinder is fixed to the first opening. The output end of the telescopic cylinder passes through the first opening and is fixedly connected to the first fixing plate. The fixing plate is fixed to the sliding end of the sliding module. The fixed end of the sliding module is fixed to the side plate.

[0007] Further, the marking mechanism includes an upper fixing plate and a lower fixing plate. The upper fixing plate is disposed above the lower fixing plate. The upper fixing plate is fixed to the first fixing plate. A second opening is formed in the lower fixing plate. A second telescopic cylinder is fixed to the second opening. The output end of the second telescopic cylinder passes through the second opening and is fixedly connected to the marker pen.

[0008] Further, a third opening opposite to the position of the second telescopic cylinder is formed in the upper fixing plate. A plurality of guide rods are fixed between the lower fixing plates. Through holes opposite to the positions of the guide rods are formed in the upper fixing plate. The guide rods movably pass through the through holes. A limiting portion is provided at one end of the guide rod located on the fixing plate of the upper fixing plate. A buffer spring is sleeved on the guide rod.

[0009] Further, the resistance testing mechanism includes a first L-shaped fixing plate and a second L-shaped fixing plate. The positive measuring head is fixed to the first L-shaped fixing plate. The negative measuring head is fixed to the second L-shaped fixing plate. The control system is electrically connected to the positive measuring head and the negative measuring head.

[0010] Further, the tips of the positive measuring head and the negative measuring head are conductive cotton.

[0011] The beneficial effects of the present utility model: The present utility model can improve the resistance detection efficiency of the lidar. By controlling the positive and negative measuring heads in the resistance testing mechanism with the telescopic cylinder, the input of labor costs can be reduced. At the same time, the structure is simple, and the positive and negative measuring heads are accurate in measurement and cause no wear to the silver paste film layer. Description of the Drawings

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is a front view of the present utility model;

[0014] Figure 3 is a top view of the present utility model;

[0015] Figure 4 is Figure 3 a sectional view taken along the B-B direction in

[0016] Wherein: 1. Side plate, 2. First fixing plate, 3. Positioning mechanism, 31. Base, 32. Insert piece, 33. Support base, 34. Vehicle-mounted radar, 35. Radar positioning base, 4. Resistance testing mechanism, 41. First L-shaped fixing plate, 42. Second L-shaped fixing plate, 43. Positive measuring head, 44. Negative measuring head, 5. Lifting mechanism, 51. Top plate, 52. First telescopic cylinder, 53. Sliding end of the sliding module, 54. Fixed end of the sliding module, 6. Marking mechanism, 61. Upper fixing plate, 62. Lower fixing plate, 63. Second telescopic cylinder, 64. Marking pen, 65. Third opening, 66. Guide rod, 67. Limiting part, 68. Buffer spring. Specific embodiments

[0017] The present invention will be further described below with reference to the accompanying drawings. For better understanding, the orientation of the present invention is described according to the orientation shown in the drawings, and it should not be construed as a limitation to the present application; the following terms "first", "second", etc. are only used for descriptive purposes and should not be construed as indicating or implying relative importance.

[0018] Please refer to Figures 1 to 4 , the present invention provides an embodiment: A device for detecting the surface resistance of the ITO of a vehicle-mounted radar, including a positioning mechanism 3, a resistance testing mechanism 4, a lifting mechanism 5, a marking mechanism 6 and a control system. A side plate 1 is arranged on the side of the positioning mechanism 3, and a component of the lifting mechanism 5 is fixed at the upper end of the side plate 1. The output end of the lifting mechanism 5 is fixed with a first fixing plate 2. The resistance testing mechanism 4 is fixed on the right side of the first fixing plate 2, and the marking mechanism 6 is fixed on the left side of the first fixing plate 2. The control system is electrically connected to the lifting mechanism 5 and the resistance testing mechanism 4. The control system is a common controller, which can be understood by those skilled in the art and will not be described in detail here. The product is placed in the positioning mechanism 3, and the control system sends a signal to the lifting mechanism 5 and drives the lifting mechanism 5 to move the resistance testing mechanism 4 into the product; the control system reads the resistance value of the product through the test probe in the resistance testing mechanism 4. After the test is qualified, the control system sends a signal to drive the marking mechanism 6 after the test is completed to mark a qualified point on the product and light up the qualified indicator light; after a delay of 2 seconds, the control system drives the lifting mechanism 5 to return the resistance testing mechanism 4 to the initial position, and the operator takes out the product in the positioning mechanism 3 and places it in the qualified product area; when the test is unqualified, the control system sends a signal to control the marking mechanism 6 after the test is completed and lights up the unqualified product indicator light. The control system drives the lifting mechanism 5 to return the resistance testing mechanism 4 to the initial position and returns to the test preparation state; the operator takes out the product in the positioning mechanism 3 and places it in the unqualified product area.

[0019] Please continue to refer to Figure 1As shown, in an embodiment of the present utility model, the positioning mechanism 3 includes a base 31, an insertion piece 32, and a support seat 33. The insertion piece 32 is disposed above the base 31. A support seat 33 for fixing the vehicle-mounted radar 34 is provided on the insertion piece 32. A radar positioning seat 35 is fixed above the support seat 33. The insertion piece 32 is a triangular block with a triangular cross-section. The lower end of the triangular block faces the side where the side plate 1 is located. The side plate 1 is fixed to the side of the base 31. By providing the insertion piece 32 in the shape of an angular block, the radar can be lifted at a certain angle to ensure that the silver paste measurement position is perpendicular to the positive and negative electrodes. At the same time, it is also convenient for replacement and cost savings.

[0020] Please continue to refer to Figure 1 、 Figure 2 、 Figure 4 As shown, in an embodiment of the present utility model, the lifting mechanism 5 includes a top plate 51, a first telescopic cylinder 52, and a sliding module. The top plate 51 is fixed to the upper end of the side plate 1. A first opening is provided on the side plate 1. The first telescopic cylinder 52 is fixed to the first opening. The output end of the telescopic cylinder passes through the first opening and is fixedly connected to the first fixing plate 2. The fixing plate is fixed to the sliding end 53 of the sliding module. The fixed end 54 of the sliding module is fixed to the side plate 1. The telescopic end of the first telescopic cylinder 52 being fixed to the first fixing plate 2 can control the first fixing plate 2 and the sliding end 53 of the sliding module to slide on the fixed end 54 of the sliding module, driving the resistance testing mechanism 4 and the marking mechanism 6 to move up and down.

[0021] Please continue to refer to Figure 1 、 Figure 2 As shown, in an embodiment of the present utility model, the marking mechanism 6 includes an upper fixing plate 61 and a lower fixing plate 62. The upper fixing plate 61 is disposed above the lower fixing plate 62. The upper fixing plate 61 is fixed to the first fixing plate 2. A second opening is provided on the lower fixing plate 62. A second telescopic cylinder 63 is fixed to the second opening. The output end of the second telescopic cylinder 63 passes through the second opening and is fixedly connected to the marking pen 64. When the detection is qualified, the second telescopic cylinder 63 of the marking mechanism 6 can control the marking pen 64 to make a mark, and a signal lamp is set in the control system.

[0022] Please continue to refer to Figure 1 、 Figure 2As shown, in an embodiment of the present utility model, a third opening 65 opposite to the position of the second telescopic cylinder 63 is provided on the upper fixing plate 61. A plurality of guide rods 65 are fixed between the lower fixing plates 62. A through hole opposite to the position of the guide rod 65 is provided on the upper fixing plate 61. The guide rod 65 movably passes through the through hole. A limiting portion 67 is provided at one end of the guide rod 65 located on the upper fixing plate 61. A buffer spring 68 is sleeved on the guide rod 65. The upper fixing plate 61 can slide within the guide rod 65 to perform moving guidance when the marking pen of the marking mechanism 6 is controlled by the lifting structure to mark. The limiting portion 67 prevents the upper fixing plate 61 from sliding out of the guide rod 65. At the same time, the upper buffer spring 68 is provided to avoid excessive force and can play a buffering role.

[0023] Please continue to refer to Figure 1 、 Figure 2 As shown, in an embodiment of the present utility model, the resistance testing mechanism 4 includes a first L-shaped fixing plate 41 and a second L-shaped fixing plate 42. The positive measuring head 43 is fixed on the first L-shaped fixing plate 41, and the negative measuring head 44 is fixed on the second L-shaped fixing plate 42. The control system is electrically connected to the positive measuring head 43 and the negative measuring head 44. The positive measuring head 43 and the negative measuring head 44 are opposite to the positions of the electrodes on the ITO film layer, and can realize the detection of the electrodes.

[0024] Please continue to refer to Figure 1 、 Figure 2 As shown, in an embodiment of the present utility model, the ends of the positive measuring head 43 and the negative measuring head 44 are conductive cotton. Using a softer material as the end can minimize the wear of the silver paste.

[0025] The present utility model has the following working principle: The product is placed in the radar positioning seat. The control system sends a signal to the lifting mechanism and drives the lifting mechanism to move the resistance testing mechanism into the product. The control system reads the resistance value of the product through the positive and negative measuring heads. After the test is qualified, the control system sends a signal to drive the test completion marking mechanism to mark a qualified point on the product and light up the qualified indicator light. After a delay of 2 seconds, the control system drives the lifting mechanism to return the resistance testing mechanism to the initial position, and the operator takes out the product in the positioning mechanism and places it in the qualified product area. When the test is unqualified, the control system sends a signal to control the test completion marking mechanism and lights up the defective product indicator light. The control system drives the lifting mechanism to return the resistance testing mechanism to the initial position and returns to the test preparation state. The operator takes out the product in the positioning mechanism and places it in the defective product area.

[0026] The above are only the preferred embodiments of the present utility model and should not be construed as limitations to this application. All equivalent changes and modifications made in accordance with the scope of the patent application of the present utility model shall fall within the scope covered by the present utility model.

Claims

1. A device for detecting the surface resistance of ITO of a vehicle-mounted radar, characterized in that: It includes a positioning mechanism, a resistance testing mechanism, a lifting mechanism, a marking mechanism and a control system. The side of the positioning mechanism is provided with a side plate, the upper end of the side plate is fixed with a lifting mechanism assembly, the output end of the lifting mechanism is fixed with a first fixed plate, the right side of the first fixed plate is fixed with the resistance testing mechanism, the left side of the first fixed plate is fixed with the marking mechanism, and the control system is electrically connected with the lifting mechanism and the resistance testing mechanism.

2. A device for detecting ITO surface resistance of a vehicle-mounted radar according to claim 1, characterized in that: The positioning mechanism includes a base, an insert and a support seat, the insert is arranged above the base, a support seat for fixing the vehicle-mounted radar is arranged on the insert, a radar positioning seat is fixed above the support seat, the insert is a triangular block with a triangular cross-section, the lower end of the triangular block faces the side where the side panel is located, and the side panel is fixed to the side of the base.

3. A device for detecting ITO surface resistance of a vehicle-mounted radar according to claim 1, characterized in that: The lifting mechanism includes a top plate, a first telescopic cylinder and a sliding module. The top plate is fixed to the upper end of the side plate. The side plate is provided with a first opening. The first telescopic cylinder is fixed to the first opening. The output end of the telescopic cylinder passes through the first opening and is fixedly connected to the first fixed plate. The fixed plate is fixed to the sliding end of the sliding module. The fixed end of the sliding module is fixed to the side plate.

4. A device for detecting ITO surface resistance of a vehicle-mounted radar according to claim 1, characterized in that: The marking mechanism includes an upper fixed plate and a lower fixed plate. The upper fixed plate is arranged above the lower fixed plate, and the upper fixed plate is fixed to the first fixed plate. The lower fixed plate is provided with a second opening, and a second telescopic cylinder is fixed to the second opening. The output end of the second telescopic cylinder passes through the second opening and is fixedly connected to the marking pen.

5. A device for detecting ITO surface resistance of a vehicle-mounted radar according to claim 4, characterized in that: The upper fixed plate is provided with a third opening opposite to the position of the second telescopic cylinder, a plurality of guide rods are fixed between the lower fixed plates, the upper fixed plate is provided with a through hole opposite to the position of the guide rod, the guide rod movably passes through the through hole, a limiting portion is provided at one end of the guide rod located on the fixed plate, and a buffer spring is sleeved on the guide rod.

6. The device for detecting ITO surface resistance of a vehicle-mounted radar according to claim 1, characterized in that: The resistance testing mechanism comprises a first L-shaped fixing plate and a second L-shaped fixing plate, the positive measuring head is fixed on the first L-shaped fixing plate, the negative measuring head is fixed on the second L-shaped fixing plate, and the control system is electrically connected to the positive measuring head and the negative measuring head.

7. The device for detecting ITO surface resistance of vehicle-mounted radar according to claim 6, characterized in that: The ends of the positive electrode measuring head and the negative electrode measuring head are conductive cotton.

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