Antenna standing wave testing device and method

Abstract

The present invention discloses an antenna standing wave test device, which includes a machine platform, a workpiece fixture is provided on the machine platform, a PCB board is provided below the workpiece fixture, the PCB board includes a contact portion, a workpiece is placed on the workpiece fixture, a through hole is provided on the workpiece, and a plating circuit is formed at the edge of the through hole, a lifting mechanism is fixed on the machine platform, a lifting platform is provided at the driving end of the lifting mechanism, a standing wave contact head is installed at the bottom of the lifting platform, a contact arm extending downward is formed at the bottom of the standing wave contact head, a bevel portion is formed at the edge of the contact arm, so that the contact arm is trapezoidal, and the contact arm is aligned with the through hole one by one. During testing, the lifting mechanism is used to drive the lifting platform and the standing wave contact head to descend until the contact arm is inserted into the through hole, and the contact arm is connected between the plating circuit and the contact portion. The present invention can realize automated testing, can realize accurate plug-in, and at the same time reduces the difficulty of operation, thereby improving the test efficiency.

Description

Technical Field

[0001] The invention relates to an antenna product testing device, and in particular to an antenna standing wave testing device and method. Background Art

[0002] Antenna products are generally plated with circuits on the product body, for example, the circuits are plated on the plastic vibrator workpiece. After the antenna product is made into a finished product, it needs to be tested for standing wave. The existing standing wave test generally uses Figure 1 The contact head 200 shown in the figure inserts the arm 201 of the contact head 200 and the contact end of the test PCB board into the hole of the antenna product at the same time, and uses the arm 201 to electrically connect the contact end of the test PCB board and the electroplating circuit of the antenna product, and then uses the test PCB board to perform a standing wave test on the antenna product. The existing testing method generally performs the plug-in operation manually, which is not only inefficient, but also easily leads to poor contact, thereby affecting the accuracy of the test. In addition, in the existing contact head 200, its arm 201 is generally a rectangular plate-like structure, which is not easy to insert into the hole of the antenna product, making the operation more difficult, not only inefficient, but also easy to damage the antenna product, and cannot meet the test requirements. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an antenna standing wave testing device and method which can realize automated testing, achieve accurate plugging, improve testing efficiency and reduce operating difficulty in view of the deficiencies in the prior art.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions.

[0005] An antenna standing wave test device, comprising a machine platform, a workpiece fixture is arranged on the machine platform, a PCB board is arranged below the workpiece fixture, the PCB board comprises a contact portion, a workpiece is placed on the workpiece fixture, a through hole is opened on the workpiece, a plating circuit is formed at the edge of the through hole, the upper end of the contact portion passes through the workpiece fixture, and the contact portion is inserted into the through hole, a lifting mechanism is fixed on the machine platform, a lifting platform is arranged at the driving end of the lifting mechanism, the lifting platform is located above the workpiece fixture, a standing wave contact head is installed at the bottom of the lifting platform, a contact support arm extending downward is formed at the bottom of the standing wave contact head, a bevel portion is formed at the edge of the contact support arm so that the contact support arm is trapezoidal, the contact support arm is aligned one by one with the through hole, and during testing, the lifting mechanism is used to drive the lifting platform and the standing wave contact head to descend until the contact support arm is inserted into the through hole, and the contact support arm is connected between the plating circuit and the contact portion.

[0006] Preferably, the PCB board includes two contact parts, two through holes are opened on the workpiece, the two contact parts are respectively inserted into the two through holes, and two contact arms are formed at the bottom of the standing wave contact head, and the contact arms are aligned one by one with the through holes.

[0007] Preferably, beveled edges are formed at both side edges of the contact arm, so that the contact arm is in an isosceles trapezoidal shape.

[0008] Preferably, the lifting mechanism includes a lifting support, on which two slide rails and a lifting cylinder are fixed, the lifting platform is straddled on the two slide rails, and the lifting platform is slidably connected to the slide rails, the telescopic rod of the lifting cylinder is connected to the lifting platform, and the lifting platform is driven to rise or fall by the lifting cylinder.

[0009] Preferably, a limit switch is fixed on the lifting support, the limit switch is arranged above the lifting platform, and the limit switch is touched when the lifting platform rises to a preset height.

[0010] Preferably, the workpiece fixture is in an inverted "U" shape.

[0011] Preferably, a slot for loading the workpiece is provided on the top of the workpiece fixture.

[0012] Preferably, a positioning block is formed in the slot.

[0013] Preferably, a chassis is provided at the bottom of the machine platform, a control panel is provided at the front side of the chassis, and a plurality of buttons are provided on the control panel.

[0014] A method for testing antenna standing wave, the method is implemented based on a device, the device includes a machine platform, a workpiece fixture is arranged on the machine platform, a PCB board is arranged below the workpiece fixture, the PCB board includes a contact portion, a workpiece is placed on the workpiece fixture, a through hole is opened on the workpiece, an electroplating circuit is formed at the edge of the through hole, the upper end of the contact portion passes through the workpiece fixture, and the contact portion is inserted into the through hole, a lifting mechanism is fixed on the machine platform, a lifting platform is arranged at the driving end of the lifting mechanism, the lifting platform is located above the workpiece fixture, and the lifting A standing wave contact head is installed at the bottom of the platform, and a contact arm extending downward is formed at the bottom of the standing wave contact head. A bevel portion is formed at the edge of the contact arm to make the contact arm trapezoidal, and the contact arm is aligned one by one with the through hole. The method includes the following steps: step S1, loading the workpiece on the workpiece fixture; step S2, controlling the movement of the lifting mechanism and driving the lifting platform and the standing wave contact head to descend; step S3, the contact arm is inserted into the through hole after it descends, and the contact arm is connected between the electroplating circuit and the contact portion.

[0015] The antenna standing wave test device disclosed in the present invention, during the test process, first loads the workpiece onto the workpiece fixture, then controls the movement of the lifting mechanism, and drives the lifting platform and the standing wave contact head to descend, and inserts the contact arm into the through hole after it descends, and at the same time, the contact arm is connected between the electroplating circuit and the contact portion, so that the PCB board remains connected to the electroplating circuit on the workpiece, and finally performs the antenna standing wave test. Compared with the prior art, the present invention can realize automated testing, can achieve accurate plug-in, and at the same time reduces the difficulty of operation, thereby improving the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of a contact head in the prior art;

[0017] Figure 2 The three-dimensional antenna standing wave test device of the present invention is Figure 1 ;

[0018] Figure 3 for Figure 2 A magnified view of part A;

[0019] Figure 4 The three-dimensional antenna standing wave test device of the present invention is Figure 2 ;

[0020] Figure 5 for Figure 4 A magnified view of part B;

[0021] Figure 6 It is a side view of the antenna standing wave testing device of the present invention;

[0022] Figure 7 The figure is a structural diagram of a standing wave contact head in the antenna standing wave testing device of the present invention. DETAILED DESCRIPTION

[0023] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0024] The invention discloses an antenna standing wave test device, combined with Figures 2 to 7As shown, it includes a machine table 1, on which a workpiece fixture 2 is provided, a PCB board 3 is provided below the workpiece fixture 2, the PCB board 3 includes a contact portion 30, a workpiece 100 is placed on the workpiece fixture 2, a through hole 101 is opened on the workpiece 100, an electroplating circuit is formed at the edge of the through hole 101, the upper end of the contact portion 30 passes through the workpiece fixture 2, and the contact portion 30 is inserted into the through hole 101, a lifting mechanism 4 is fixed on the machine table 1, and a lifting platform 5 is provided at the driving end of the lifting mechanism 4, and the lifting platform 5 is located at the Above the workpiece fixture 2, a standing wave contact head 6 is installed at the bottom of the lifting platform 5, and a contact arm 60 extending downward is formed at the bottom of the standing wave contact head 6. A bevel portion 61 is formed at the edge of the contact arm 60 to make the contact arm 60 trapezoidal. The contact arm 60 is aligned one by one with the through hole 101. During testing, the lifting mechanism 4 is used to drive the lifting platform 5 and the standing wave contact head 6 to descend until the contact arm 60 is inserted into the through hole 101, and the contact arm 60 is connected between the electroplating circuit and the contact portion 30.

[0025] During the test, the device first loads the workpiece 100 onto the workpiece fixture 2, then controls the lifting mechanism 4 to move, and drives the lifting platform 5 and the standing wave contact head 6 to descend, and inserts the contact arm 60 into the through hole 101 after the contact arm 60 descends, and at the same time, the contact arm 60 is connected between the electroplating circuit and the contact portion 30, so that the PCB board 3 is connected to the electroplating circuit on the workpiece 100, and finally performs the antenna standing wave test. Compared with the prior art, the present invention can realize automated testing, can achieve accurate plug-in, and at the same time reduce the difficulty of operation, thereby improving the test efficiency.

[0026] As a preferred embodiment, the PCB board 3 includes two contact portions 30, two through holes 101 are opened on the workpiece 100, the two contact portions 30 are respectively inserted into the two through holes 101, and two contact arms 60 are formed at the bottom of the standing wave contact head 6, and the contact arms 60 are aligned one by one with the through holes 101.

[0027] In this embodiment, the contact arm 60 is provided with a bevel portion 61 at both side edges, so that the contact arm 60 is in an isosceles trapezoidal shape. Because the contact arm 60 is in an isosceles trapezoidal shape, the standing wave contact head 6 is easier to be plugged into the through hole 101 than in the prior art, thereby greatly reducing the difficulty of plugging and preventing damage to the product.

[0028] Regarding the specific structure of the lifting mechanism 4, in this embodiment, the lifting mechanism 4 includes a lifting support 40, on which two slide rails 41 and a lifting cylinder 42 are fixed, the lifting platform 5 is straddled on the two slide rails 41, and the lifting platform 5 is slidably connected to the slide rails 41, the telescopic rod of the lifting cylinder 42 is connected to the lifting platform 5, and the lifting platform 5 is driven to rise or fall by the lifting cylinder 42.

[0029] As a preferred embodiment, a limit switch 43 is fixed on the lifting support 40, and the limit switch 43 is arranged above the lifting platform 5, and when the lifting platform 5 rises to a preset height, the limit switch 43 is touched. The limit switch 43 can be connected to the control mainboard of the antenna standing wave test device. When the lifting platform 5 rises and triggers the limit switch 43, the control mainboard can control the lifting platform 5 to stop moving, thereby playing a role in limiting the stroke.

[0030] In order to facilitate the installation of the PCB board 3 on the bottom of the workpiece fixture 2, in this embodiment, the workpiece fixture 2 is in an inverted "U" shape.

[0031] Furthermore, a slot 20 for loading the workpiece 100 is provided on the top of the workpiece fixture 2 .

[0032] In order to position the workpiece, in this embodiment, a positioning block 21 is formed in the slot 20 .

[0033] For the convenience of operation and control, in this embodiment, a chassis 7 is provided at the bottom of the machine platform 1 , a control panel 70 is provided at the front side of the chassis 7 , and a plurality of buttons 71 are provided on the control panel 70 .

[0034] This embodiment also relates to an antenna standing wave test method, combining Figures 2 to 7 As shown, the method is implemented based on a device, the device includes a machine table 1, a workpiece fixture 2 is provided on the machine table 1, a PCB board 3 is provided below the workpiece fixture 2, the PCB board 3 includes a contact portion 30, a workpiece 100 is placed on the workpiece fixture 2, a through hole 101 is opened on the workpiece 100, a plating circuit is formed at the edge of the through hole 101, the upper end of the contact portion 30 passes through the workpiece fixture 2, and the contact portion 30 is inserted into the through hole 101, a lifting mechanism 4 is fixed on the machine table 1, a lifting platform 5 is provided at the driving end of the lifting mechanism 4, the lifting platform 5 is located above the workpiece fixture 2, a standing wave contact head 6 is installed at the bottom of the lifting platform 5, a contact arm 60 extending downward is formed at the bottom of the standing wave contact head 6, a bevel portion 61 is formed at the edge of the contact arm 60 to make the contact arm 60 trapezoidal, and the contact arm 60 is aligned one by one with the through hole 101, the method includes the following steps:

[0035] Step S1, loading the workpiece 100 onto the workpiece fixture 2;

[0036] Step S2, controlling the lifting mechanism 4 to move and driving the lifting platform 5 and the standing wave contact head 6 to descend;

[0037] In step S3 , the contact arm 60 is lowered and inserted into the through hole 101 , and the contact arm 60 is connected between the electroplating circuit and the contact portion 30 .

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the technical scope of the present invention should be included in the scope of protection of the present invention.

Claims

1. An antenna standing wave test device, characterized in that: The invention comprises a machine platform (1), wherein a workpiece fixture (2) is provided on the machine platform (1), a PCB board (3) is provided below the workpiece fixture (2), the PCB board (3) comprises a contact portion (30), a workpiece (100) is placed on the workpiece fixture (2), a through hole (101) is provided on the workpiece (100), an electroplating circuit is formed at the edge of the through hole (101), the upper end of the contact portion (30) passes through the workpiece fixture (2), and the contact portion (30) is inserted into the through hole (101), a lifting mechanism (4) is fixed on the machine platform (1), a lifting platform (5) is provided at the driving end of the lifting mechanism (4), the lifting platform (5) is located above the workpiece fixture (2), a standing wave contact head (6) is installed at the bottom of the lifting platform (5), and the standing wave contact head (6) A contact arm (60) extending downward is formed at the bottom, and a bevel portion (61) is formed at the edge of the contact arm (60) so that the contact arm (60) is trapezoidal. The contact arm (60) is aligned one by one with the through hole (101). During testing, the lifting mechanism (4) is used to drive the lifting platform (5) and the standing wave contact head (6) to descend until the contact arm (60) is inserted into the through hole (101), and the contact arm (60) is connected between the electroplating circuit and the contact portion (30); a card slot (20) for loading the workpiece (100) is provided at the top of the workpiece fixture (2); a chassis (7) is provided at the bottom of the machine platform (1), and a control panel (70) is provided on the front side of the chassis (7), and a plurality of buttons (71) are provided on the control panel (70).

2. The antenna standing wave test device according to claim 1, characterized in that: The PCB board (3) comprises two contact parts (30), the workpiece (100) is provided with two through holes (101), the two contact parts (30) are respectively inserted into the two through holes (101), and the bottom of the standing wave contact head (6) is formed with two contact arms (60), and the contact arms (60) are aligned one by one with the through holes (101).

3. The antenna standing wave test device according to claim 1, characterized in that: Beveled edge portions (61) are formed at both side edges of the contact support arm (60) so that the contact support arm (60) is in the shape of an isosceles trapezoid.

4. The antenna standing wave test device according to claim 1, characterized in that: The lifting mechanism (4) comprises a lifting support (40), two slide rails (41) and a lifting cylinder (42) are fixed on the lifting support (40), the lifting platform (5) is straddled on the two slide rails (41), and the lifting platform (5) is slidably connected to the slide rails (41), and the telescopic rod of the lifting cylinder (42) is connected to the lifting platform (5), and the lifting platform (5) is driven to rise or fall by the lifting cylinder (42).

5. The antenna standing wave test device according to claim 4, characterized in that: A limit switch (43) is fixed on the lifting support (40); the limit switch (43) is arranged above the lifting platform (5), and touches the limit switch (43) when the lifting platform (5) rises to a preset height.

6. The antenna standing wave test device according to claim 1, characterized in that: The workpiece fixture (2) is in an inverted "U" shape.

7. The antenna standing wave test device according to claim 1, characterized in that: A positioning block (21) is formed in the clamping slot (20).

8. An antenna standing wave testing method, characterized in that: The method is implemented based on a device, the device comprising a machine platform (1), a workpiece fixture (2) is provided on the machine platform (1), a PCB board (3) is provided below the workpiece fixture (2), the PCB board (3) comprises a contact portion (30), a workpiece (100) is placed on the workpiece fixture (2), a through hole (101) is provided on the workpiece (100), an electroplating circuit is formed at the edge of the through hole (101), the upper end of the contact portion (30) passes through the workpiece fixture (2), and the contact portion (30) is inserted into the through hole (101). A lifting mechanism (4) is fixed on the machine platform (1), a lifting platform (5) is provided at the driving end of the lifting mechanism (4), the lifting platform (5) is located above the workpiece fixture (2), a standing wave contact head (6) is installed at the bottom of the lifting platform (5), a contact support arm (60) extending downward is formed at the bottom of the standing wave contact head (6), a bevel portion (61) is formed at the edge of the contact support arm (60) so that the contact support arm (60) is trapezoidal, and the contact support arm (60) is aligned one by one with the through hole (101), and the method comprises the following steps: Step S1, loading the workpiece (100) onto the workpiece fixture (2); Step S2, controlling the lifting mechanism (4) to move and driving the lifting platform (5) and the standing wave contact head (6) to descend; Step S3, the contact arm (60) is lowered and inserted into the through hole (101), and the contact arm (60) is connected between the electroplating circuit and the contact portion (30).

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