Positioning jig for testing radiation of electrical lighting equipment

Abstract

The utility model belongs to the technical field of positioning jigs, in particular to a positioning jig for testing radiation of electrical lighting equipment, which comprises a jig base and a testing sliding table, and further comprises a positioning mechanism, and the positioning mechanism comprises a fixed plate fixed on the top surface of the testing sliding table; the mounting block is positioned on one side of the fixing plate; the clamping plate is detachably mounted on the mounting block, and the clamping plate is detachably mounted on the mounting block; the supporting block is fixed to the bottom end of the clamping face of the clamping plate, and an arc-shaped supporting groove is machined in the top face of the supporting block; the horizontal air cylinder is fixed on the fixed plate; according to the utility model, the two groups of symmetrically distributed positioning mechanisms are adopted to support and clamp the lamp to be tested, the stability of the lamp to be tested can be ensured, the test accuracy is ensured, the clamping plates are detachably installed, the appropriate clamping plates and supporting blocks can be conveniently replaced according to the shape of the lamp to be tested, and the adaptability is higher.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of positioning fixture, concretely relates to a positioning fixture for testing radiation of electrical lighting equipment. BACKGROUND

[0002] For small electrical lighting equipment such as electrical lighting lamps, CISPR 15 standard stipulates that the coupling / decoupling network (CDN) method is an alternative method of radiation emission measurement method, and CDN is used to measure common mode terminal voltage, which can shorten the test time and save the site cost, and the principle of CDN method is that the radiation emission caused by common mode current on the lead of the small measured piece is much larger than the outward radiation of the surface of the test object.

[0003] At present, in the actual test process, because the electrical lighting lamps have many different shapes, it is easy to affect the precision and efficiency of the test due to unstable positioning.

[0004] In the prior art, the Chinese utility model patent with the authorization announcement number CN215493846U discloses "a CDN method radiation test device for lamps", which comprises an EMI receiver, an attenuator, a CDN device and a measured lamp connected in sequence, the measured lamp is placed on the workbench, the upper surface of the workbench is concave downward to form a storage area, the measured lamp is located in the storage area, two opposite limiting blocks are also placed in the storage area, and arc-shaped accommodation grooves are arranged on the opposite sides, and the measured lamp is in contact with the accommodation groove.

[0005] The above-mentioned device uses limiting blocks to position the measured lamp, which can fix the specific measured lamp, but because the shapes and sizes of different lamps are different, the limiting blocks cannot adapt to different types of measured lamps, and there is high use limitation.

[0006] To solve the above problems, the utility model provides a positioning jig for testing radiation of electrical lighting equipment. CONTENT OF THE UTILITY MODEL

[0007] To solve the above problems in the prior art, the utility model provides a positioning jig for testing radiation of electrical lighting equipment, which has the characteristics of convenient use, high stability, easy adjustment and wide application range.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a positioning jig for testing radiation of electrical lighting equipment, comprising a jig base and a test sliding table arranged on the top of the jig base, further comprising a positioning mechanism, two groups of the positioning mechanism are fixed on the top surface of the test sliding table in a symmetrical manner, and the positioning mechanism comprises:

[0009] A fixed plate is fixed to the top surface of the test slide;

[0010] A mounting block is located on one side of the fixed plate;

[0011] A clamping plate is detachably mounted on the mounting block;

[0012] A support block is fixed to the bottom end of the clamping surface of the clamping plate, and an arc-shaped support groove is processed on the top surface of the support block;

[0013] A horizontal air cylinder is fixed on the fixed plate, and the piston rod of the horizontal air cylinder is fixedly connected with the mounting block after penetrating through the fixed plate.

[0014] As a preferred technical scheme of the utility model, further comprising:

[0015] An inverted L-shaped plugboard is fixed to the back surface of the clamping plate, and a mounting hole is processed in the mounting block for embedding the vertical part of the inverted L-shaped plugboard;

[0016] Two limiting blocks are fixed to the top end of the mounting block in a symmetrical manner;

[0017] A first manual bolt is connected with the inverted L-shaped plugboard through a threaded screwing mode after penetrating through the limiting block.

[0018] As a preferred technical scheme of the utility model, the outer wall of the inverted L-shaped plugboard abuts against the inner wall of the mounting hole.

[0019] As a preferred technical scheme of the utility model, further comprising:

[0020] Two guide rods are fixed to the outer wall of the mounting block in a symmetrical manner, and the guide rods penetrate through the fixed plate.

[0021] As a preferred technical scheme of the utility model, further comprising:

[0022] An insulating rubber pad is fixedly bonded to the inner wall of the arc-shaped support groove.

[0023] As a preferred technical scheme of the utility model, the test slide is slidingly mounted on the top of the jig base, and the bottom surface of the test slide is attached to the top surface of the jig base.

[0024] As a preferred technical scheme of the utility model, further comprising:

[0025] Two anti-L-shaped guide rails are symmetrically fixed to the top surface of the jig base, and the test sliding table is slidingly installed between the two anti-L-shaped guide rails.

[0026] A second manual bolt is provided with a guide sliding hole on the vertical part of the anti-L-shaped guide rail, and the second manual bolt is connected with the test sliding table through screwing after penetrating the guide sliding hole.

[0027] As a preferred technical scheme of the utility model, the vertical part distance of the two anti-L-shaped guide rails is equal to the length of the test sliding table.

[0028] Compared with the prior art, the utility model has the beneficial effects that:

[0029] In the utility model, the positioning mechanism is used for supporting and clamping the lamp to be tested, the stability of the lamp to be tested is ensured, the accuracy of the test is ensured, the clamping plate is detachably installed, the suitable clamping plate and supporting block can be replaced according to the shape of the lamp to be tested, and the adaptability is higher.

[0030] Other additional advantages and beneficial effects of the utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the utility model. DRAWINGS

[0031] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0032] Figure 1 It is a structural schematic diagram of the utility model;

[0033] Figure 2 It is an axonometric structural schematic diagram of the positioning mechanism in the utility model;

[0034] Figure 3 It is an axonometric structural schematic diagram of the clamping plate in the utility model;

[0035] Figure 4 It is the utility model Figure 1 A magnified structural schematic diagram in the utility model.

[0036] In the drawings: 1, jig base; 2, test sliding table; 3, positioning mechanism; 31, fixed plate; 32, mounting block; 321, mounting hole; 322, limiting block; 33, clamping plate; 34, supporting block; 341, arc-shaped supporting groove; 35, horizontal air cylinder; 36, guide rod; 37, insulating rubber pad; 38, anti-L-shaped plugboard; 39, first manual bolt; 4, anti-L-shaped guide rail; 41, guide sliding hole; 5, second manual bolt. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0038] Please refer to Figures 1-4 The utility model provides the following technical scheme: a positioning jig for testing radiation of electrical lighting equipment, including jig base 1 and test sliding table 2 set in the top of jig base 1, still including positioning mechanism 3, two groups of positioning mechanism 3 are fixed to the top surface of test sliding table 2 in symmetry, and positioning mechanism 3 includes: fixed plate 31, mounting block 32, clamping plate 33, support block 34 and horizontal cylinder 35.

[0039] Further, as shown in Figure 1 And Figure 2 In the embodiment, fixed plate 31 is fixed to the top surface of test sliding table 2, mounting block 32 is located on one side of fixed plate 31, clamping plate 33 is detachably installed on mounting block 32, support block 34 is fixed to the bottom end of the clamping surface of clamping plate 33, and arc-shaped support groove 341 is processed on the top surface of support block 34, horizontal cylinder 35 is fixed on fixed plate 31, and the piston rod of horizontal cylinder 35 is fixedly connected with mounting block 32 after penetrating fixed plate 31. After the above scheme is used, in use, first, according to the actual shape of the lamp to be measured, install appropriate clamping plate 33 and support block 34, then start horizontal cylinder 35, drive clamping plate 33 to move through the piston rod of horizontal cylinder 35, adjust the initial spacing of the two clamping plates 33, then place the lamp to be measured on the inner side of the two clamping plates 33, support by arc-shaped support groove 341, and finally start horizontal cylinder 35 again, push clamping plate 33 to move towards the inner side through the piston rod of horizontal cylinder 35, clamp the lamp to be measured by the clamping plates 33 on both sides (since the shell of part of the lamp is a fragile piece, therefore the clamping force of clamping plate 33 should not be too large during work, only the lamp should not be displaced), and finally connect the test instrument with the lamp to be measured by data line for testing. The utility model adopts two groups of symmetrical positioning mechanisms 3 to support and clamp the lamp to be measured, which can ensure the stability of the lamp to be measured, guarantee the accuracy of testing, and the clamping plate 33 is detachably installed, which facilitates replacing appropriate clamping plate 33 and support block 34 according to the shape of the lamp to be measured, and has higher adaptability.

[0040] It should be noted that this utility model only shows the positioning fixture part. Other components of the electromagnetic radiation testing system (such as EMI receiver, attenuator, CDN equipment, etc.) are not shown. The parts not shown are all contents that have been fully disclosed in the prior art, and the principle of CDN radiation testing has also been fully disclosed in the prior art. Therefore, it will not be elaborated on in this article.

[0041] Optionally, by Figures 1-3 As shown, this embodiment also includes: an inverted L-shaped insert plate 38, a limiting block 322, and a first manual bolt 39. The inverted L-shaped insert plate 38 is fixed to the back of the clamping plate 33. The mounting block 32 has a mounting hole 321 for the vertical part of the inverted L-shaped insert plate 38 to be inserted into. The two limiting blocks 322 are symmetrically fixed to the top of the mounting block 32. The first manual bolt 39 passes through the limiting block 322 and is connected to the inverted L-shaped insert plate 38 by threaded engagement. With the above solution, when installing the clamping plate 33, first insert the inverted L-shaped insert plate 38 into the mounting hole 321, and then tighten the first manual bolt 39 to lock the inverted L-shaped insert plate 38, thus achieving stable installation of the clamping plate 33. When the clamping plate 33 needs to be replaced, first unscrew the first manual bolt 39 to remove the clamping plate 33, which facilitates quick replacement.

[0042] Preferably, by Figures 1-3 As shown, in this embodiment, the outer wall of the inverted L-shaped insert plate 38 abuts against the inner wall of the mounting hole 321. By adopting the above solution, the stability of the clamping plate 33 installation can be further improved, and the clamping plate 33 can be prevented from moving or shaking relative to the mounting block 32.

[0043] Preferably, by Figure 1 and Figure 2 As shown, in this embodiment, it also includes: guide rods 36, two guide rods 36 are symmetrically fixed to the outer wall of the mounting block 32, and the guide rods 36 penetrate the fixing plate 31. With the above solution, when in use, the two guide rods 36 are used to guide the mounting block 32, which improves the stability of the mounting block 32.

[0044] Preferably, by Figure 1 and Figure 2 As shown, this embodiment also includes an insulating rubber pad 37, which is bonded and fixed to the inner wall of the arc-shaped support groove 341. With the above solution, the insulating rubber pad 37 has insulating properties and high flexibility during use, ensuring the accuracy of the test, while improving the safety of the lamp under test and avoiding mechanical damage caused by rigid contact.

[0045] Preferably, by Figure 1As shown, in the embodiment, the test sliding table 2 is slidingly installed on the top of the jig base 1, and the bottom surface of the test sliding table 2 is attached to the top surface of the jig base 1, and after the above scheme is used, if the data line connected with the test instrument and the lamp to be tested is short, the position of the test sliding table 2 can be adjusted at this time, so that the test sliding table 2 is close to the test instrument, and the reliability of use is further improved.

[0046] Optionally, by Figure 1 and Figure 4 As shown, in the embodiment, further comprising: two anti-L-shaped guide rails 4 and a second manual bolt 5, the two anti-L-shaped guide rails 4 are fixed symmetrically on the top surface of the jig base 1, the test sliding table 2 is slidingly installed between the two anti-L-shaped guide rails 4, a guide sliding hole 41 is processed on the vertical part of the anti-L-shaped guide rail 4, and the second manual bolt 5 is connected with the test sliding table 2 in a threaded screwing manner after penetrating through the guide sliding hole 41, and after the above scheme is used, when the position of the test sliding table 2 needs to be adjusted, the second manual bolt 5 is first loosened, at this time, the test sliding table 2 is manually moved, so that the test sliding table 2 is moved to a suitable position, and then the second manual bolt 5 is tightened to test the test sliding table 2, so as to ensure the stability of the test sliding table 2 after adjustment.

[0047] Preferably, by Figure 1 and Figure 4 As shown, in the embodiment, the vertical part distance of the two anti-L-shaped guide rails 4 is equal to the length of the test sliding table 2, and the above design can further improve the stability of the test sliding table 2, so as to ensure that the test sliding table 2 can only move linearly on the inner side of the two anti-L-shaped guide rails 4, and avoid displacement or shaking of the test sliding table 2 in other directions.

[0048] It should be noted that the horizontal air cylinder 35 is a conventional device purchased in the market, and the built-in power switch can be selected by a person skilled in the art according to the use requirement, the working principle thereof is a common sense known by a person skilled in the art and has been fully disclosed by the prior art, and therefore will not be described in detail herein.

[0049] The circuit connection of the utility model relates to a common means adopted by a person skilled in the art, and a technical inspiration can be obtained through a limited number of tests, and belongs to the prior art which is widely used.

[0050] The components not described in detail herein are the prior art.

[0051] The working principle and use process of the utility model: the positioning jig of the utility model, in use, first, according to the actual shape of the lamp to be tested, install appropriate clamping plates 33 and supporting blocks 34, then start the horizontal air cylinder 35, drive the clamping plates 33 to move through the piston rod of the horizontal air cylinder 35, and adjust the initial distance between the two clamping plates 33;

[0052] Afterwards, the to-be-tested lamp is placed on the inner side of the two clamping plates 33, supported by the arc-shaped support groove 341, and finally the horizontal cylinder 35 is started again, the clamping plate 33 is pushed to move towards the inner side by the piston rod of the horizontal cylinder 35, and the to-be-tested lamp is clamped by the two clamping plates 33;

[0053] Finally, the tester is connected to the to-be-tested lamp by a data line for testing;

[0054] The utility model discloses a pair of clamping plates 33 are arranged on the two sides of the horizontal cylinder 35, and the to-be-tested lamp is clamped by the two clamping plates 33, and the clamping plate 33 is provided with a plurality of arc-shaped support grooves 341, and the to-be-tested lamp is supported by the arc-shaped support groove 341.

[0055] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiment of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A positioning fixture for testing the radiation of electrical lighting equipment, comprising a fixture base (1) and a test slide (2) disposed on the top of the fixture base (1), characterized in that, It also includes a positioning mechanism (3), two sets of the positioning mechanisms (3) are symmetrically fixed to the top surface of the test slide (2), and the positioning mechanism (3) includes: A fixing plate (31) is fixed to the top surface of the test slide (2); Mounting block (32), the mounting block (32) is located on one side of the fixing plate (31); A clamping plate (33) is detachably mounted on the mounting block (32); Support block (34), the support block (34) is fixed to the bottom end of the clamping surface of the clamping plate (33), and an arc-shaped support groove (341) is processed on the top surface of the support block (34). A horizontal cylinder (35) is fixed on the fixed plate (31), and the piston rod of the horizontal cylinder (35) passes through the fixed plate (31) and is fixedly connected to the mounting block (32).

2. The positioning fixture for testing the radiation of electrical lighting equipment according to claim 1, characterized in that: Also includes: An inverted L-shaped insert (38) is fixed to the back of the clamping plate (33), and a mounting hole (321) is machined in the mounting block (32) for the vertical part of the inverted L-shaped insert (38) to be inserted. Limiting blocks (322), two of the limiting blocks (322) are symmetrically fixed to the top of the mounting block (32); The No. 1 manual bolt (39) passes through the limiting block (322) and is connected to the inverted L-shaped insert plate (38) by thread engagement.

3. A positioning fixture for testing the radiation of electrical lighting equipment according to claim 2, characterized in that: The outer wall of the inverted L-shaped insert (38) abuts against the inner wall of the mounting hole (321).

4. A positioning fixture for testing the radiation of electrical lighting equipment according to claim 1, characterized in that: Also includes: Guide rods (36), two guide rods (36) are symmetrically fixed to the outer wall of the mounting block (32), and the guide rods (36) penetrate the fixing plate (31).

5. A positioning fixture for testing the radiation of electrical lighting equipment according to claim 1, characterized in that: Also includes: An insulating rubber pad (37) is bonded and fixed to the inner wall of the arc-shaped support groove (341).

6. A positioning fixture for testing the radiation of electrical lighting equipment according to claim 1, characterized in that: The test slide (2) is slidably mounted on the top of the fixture base (1), and the bottom surface of the test slide (2) is in contact with the top surface of the fixture base (1).

7. A positioning fixture for testing the radiation of electrical lighting equipment according to claim 1, characterized in that: Also includes: Two inverted L-shaped guide rails (4) are symmetrically fixed to the top surface of the fixture base (1), and the test slide (2) is slidably installed between the two inverted L-shaped guide rails (4). The No. 2 manual bolt (5) has a guide sliding hole (41) machined on the vertical part of the inverted L-shaped guide rail (4). The No. 2 manual bolt (5) passes through the guide sliding hole (41) and is connected to the test slide (2) by thread engagement.

8. A positioning fixture for testing the radiation of electrical lighting equipment according to claim 7, characterized in that: The vertical distance between the two inverted L-shaped guide rails (4) is equal to the length of the test slide (2).

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