Glowing filament tester

Abstract

The glowing filament tester provided by the utility model comprises a test bench, a glowing filament, a stationary fixture and a moving mechanism, the glowing filament is arranged on the test bench and is connected with a power supply, the moving mechanism is arranged at the bottom of the test bench, the moving end of the moving mechanism is connected with the stationary fixture, and the stationary fixture is connected with the power supply. A sliding groove matched with the moving end of the moving mechanism is formed in the test bed, the fixing clamp comprises a base, a first lead screw, a hand wheel, an adjusting block, a supporting rod, a threaded rod, an upper clamping base and a lower clamping base, an adjusting groove is formed in the upper surface of the base, the first lead screw is installed in the adjusting groove, and two threaded ends with opposite screwing directions are formed in the first lead screw; each section of threaded end is in threaded connection with an adjusting block; an object to be tested is placed between the upper clamping seat and the lower clamping seat, the lower clamping seat moves upwards by rotating the threaded rod, the object to be tested is clamped, and the clamping requirements of objects of different sizes can be met by rotating the hand wheel and adjusting the distance between the two adjusting blocks.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of glowing filament test, especially relates to a glowing filament tester. BACKGROUND

[0002] The glowing filament tester is suitable for the ignition danger test of electrician electronic product, household appliance and various combustible materials, simulates the heat source such as glowing element or overload resistance or the phenomenon caused in short time;

[0003] At present, the existing glowing filament tester at least has following defects:

[0004] 1, the fixture on the existing glowing filament test machine is usually fixed, and can not adapt to the shape of various objects;

[0005] 2, lack of safety protection mechanism to deal with the danger that may occur in the experimental process. UTILITY MODEL CONTENT

[0006] (I) technical problem to be solved

[0007] In order to solve the above problems of prior art, the utility model provides a glowing filament tester.

[0008] (II) technical scheme

[0009] In order to achieve the above purpose, the utility model adopts the main technical scheme includes:

[0010] A kind of glowing filament tester, including test table, glowing filament, fixed clamp and moving mechanism;

[0011] The glowing filament is installed on the test table, and the glowing filament is connected to power supply;

[0012] The moving mechanism is installed at the bottom of the test table, the moving end of the moving mechanism is connected to the fixed clamp, and the test table is provided with a sliding slot matched with the moving end of the moving mechanism;

[0013] The fixed clamp includes base, first lead screw, hand wheel, adjusting block, support rod, threaded rod, upper clamp seat and lower clamp seat;

[0014] The upper surface of the base is provided with adjusting groove;

[0015] The first lead screw is installed in the adjusting groove, the first lead screw is provided with two thread ends with opposite rotation directions, the adjusting block is threadedly connected to each thread end, and one end of the first lead screw is connected to the hand wheel;

[0016] The support rod is vertically arranged on the upper surface of the adjusting block, and the top of the support rod is fixedly connected with the upper clamping seat;

[0017] The threaded rod passes through the upper clamping seat and is threadedly connected with the lower clamping seat;

[0018] The lower clamping seat is provided with a guide hole matched with the support rod.

[0019] Preferably, the moving mechanism comprises a moving seat, a second screw rod, a first motor and a moving block.

[0020] The moving seat is installed at the bottom of the test table.

[0021] The second screw rod is installed in the moving seat, and one end of the second screw rod is connected with the first motor.

[0022] The moving block is threadedly connected with the second screw rod, the moving block is slidingly installed in the sliding groove, and the moving block is connected with the fixed clamp.

[0023] Preferably, the lifting mechanism and an isolation cover are further included, the isolation cover is arranged directly above the incandescent filament, and a lifting end of the lifting mechanism is connected with the isolation cover.

[0024] Preferably, the lifting mechanism comprises a lifting support, a third screw rod, a second motor, a guide rod and a lifting plate.

[0025] The lifting support is installed at one side of the test table.

[0026] The third screw rod and the guide rod are both vertically arranged in the lifting support.

[0027] The lifting plate is respectively provided with a threaded hole and a guide hole corresponding to the third screw rod and the guide rod.

[0028] The second motor is connected with the third screw rod.

[0029] The isolation cover is fixedly arranged at the bottom of the lifting plate.

[0030] Preferably, a protruding portion corresponding to the sliding groove is arranged at the bottom of the isolation cover.

[0031] (Three) beneficial effects

[0032] The utility model discloses the beneficial effects are as follows:

[0033] 1. the object to be tested is put into the upper clamping seat and the lower clamping seat between, through the rotation threaded rod, make the lower clamping seat move upwards, the object to be tested is clamped tightly, and can be through the rotation hand wheel, adjust the interval between two adjusting blocks, satisfy the object clamping demand of different size;

[0034] 2. In the hot wire test, the sample may produce molten material, sparks or flames due to high temperature combustion, the isolation cover can effectively block these dangerous substances from sputtering to the external environment, protect the operators and surrounding equipment, and the isolation cover provides a physical barrier for the operator to avoid direct contact with the high-temperature hot wire or accidental burns. BRIEF DESCRIPTION OF DRAWINGS

[0035] Fig. 1 It is a structural schematic view of a hot wire tester;

[0036] Fig. 2 It is a side view structural view of a hot wire tester;

[0037] Fig. 3 It is a structural schematic view of a fixing clamp.

[0038]

BRIEF DESCRIPTION OF REFERENCE NUMERALS

[0039] 1. Test bench;

[0040] 2. Fixing clamp;

[0041] 21. Base; 22. Adjusting block; 23. First lead screw; 24. Hand wheel; 25. Support rod; 26. Upper clamp seat; 27. Threaded rod; 28. Lower clamp seat;

[0042] 3. Hot wire;

[0043] 4. Moving mechanism;

[0044] 41. Moving seat; 42. First motor; 43. Second lead screw; 44. Moving block;

[0045] 5. Isolation cover;

[0046] 6. Lifting mechanism;

[0047] 61. Lifting support; 62. Guide rod; 63. Third lead screw; 64. Second motor; 65. Lifting plate. DETAILED DESCRIPTION

[0048] In order to better explain the present application, so as to facilitate understanding, the following will be combined with the drawings, through specific embodiments, the present application is described in detail.

[0049] Please refer to Figs. 1 to 3 The present application provides a kind of hot wire 3 tester, including test bench 1, hot wire 3, fixing clamp 2 and moving mechanism 4;

[0050] Hot wire 3 is installed on test bench 1, and hot wire 3 is connected to power supply;

[0051] The moving mechanism 4 is installed at the bottom of the test table 1, the moving end of the moving mechanism 4 is connected with the fixed clamp 2, and a sliding groove matched with the moving end of the moving mechanism 4 is formed on the test table 1;

[0052] The fixed clamp 2 comprises a base 21, a first screw rod 23, a hand wheel 24, an adjusting block 22, a supporting rod 25, a threaded rod 27, an upper clamp seat 26 and a lower clamp seat 28;

[0053] An adjusting groove is formed on the upper surface of the base 21;

[0054] The first screw rod 23 is installed in the adjusting groove, two thread ends with opposite rotation directions are formed on the first screw rod 23, the adjusting block 22 is threadedly connected to each thread end, and one end of the first screw rod 23 is connected with the hand wheel 24;

[0055] The supporting rod 25 is vertically arranged on the upper surface of the adjusting block 22, and the top of the supporting rod 25 is fixedly connected with the upper clamp seat 26;

[0056] The threaded rod 27 penetrates through the upper clamp seat 26, and the lower clamp seat 28 is threadedly connected to the threaded rod 27;

[0057] A guide hole matched with the supporting rod 25 is formed on the lower clamp seat 28;

[0058] In use, the object to be tested is placed between the upper clamp seat 26 and the lower clamp seat 28, the threaded rod 27 is rotated to move the lower clamp seat 28 upward to clamp the object to be tested, the hand wheel 24 is rotated to adjust the distance between the two adjusting blocks 22 to meet the clamping requirement of objects with different sizes, and then the moving mechanism 4 moves the object to be tested to the direction of the hot wire 3 to complete the hot wire 3 test.

[0059] In the embodiment, the moving mechanism 4 comprises a moving seat 41, a second screw rod 43, a first motor 42 and a moving block 44;

[0060] The moving seat 41 is installed at the bottom of the test table 1;

[0061] The second screw rod 43 is installed in the moving seat 41, and one end of the second screw rod 43 is connected with the first motor 42;

[0062] The moving block 44 is threadedly connected to the second screw rod 43, the moving block 44 is slidingly installed in the sliding groove, and the moving block 44 is connected with the fixed clamp 2;

[0063] In use, the first motor 42 drives the second screw rod 43 to rotate, so as to control the moving seat 41 on the second screw rod 43 to move.

[0064] In this embodiment, the lifting mechanism 6 and the isolation cover 5 are further included, the isolation cover 5 is arranged above the hot wire 3, the lifting end of the lifting mechanism 6 is connected with the isolation cover 5, and the lifting mechanism 6 comprises a lifting support 61, a third screw rod 63, a second motor 64, a guide rod 62 and a lifting plate 65.

[0065] The lifting support 61 is installed on one side of the test bench 1.

[0066] The third screw rod 63 and the guide rod 62 are vertically arranged in the lifting support 61.

[0067] The lifting plate 65 is provided with a threaded hole corresponding to the third screw rod 63 and a guide hole corresponding to the guide rod 62, respectively.

[0068] The second motor 64 is connected with the third screw rod 63.

[0069] The isolation cover 5 is fixedly arranged at the bottom of the lifting plate 65.

[0070] In use, the second motor 64 drives the third screw rod 63 to rotate, the lifting plate 65 on the third screw rod 63 is controlled to complete lifting movement, after the object to be tested contacts the hot wire 3, the isolation cover 5 can be driven by the lifting mechanism 6 to move downwards, during the test of the hot wire 3, the sample may generate molten material, sparks or flames due to high-temperature combustion, the isolation cover 5 can effectively block these dangerous substances from splashing to the external environment, so as to protect the operator and surrounding equipment, and the isolation cover 5 provides a physical barrier for the operator, so as to avoid direct contact with the high-temperature hot wire 3 or accidental scalding.

[0071] In this embodiment, the bottom of the isolation cover 5 is provided with a protruding portion corresponding to the sliding groove.

[0072] The working principle of the utility model is as follows:

[0073] The object to be tested is placed between the upper clamping seat 26 and the lower clamping seat 28, the lower clamping seat 28 is moved upwards by rotating the threaded rod 27, the object to be tested is clamped, the distance between the two adjusting blocks 22 can be adjusted by rotating the hand wheel 24, so that the clamping requirement of objects of different sizes is met, after the object to be tested is clamped, the moving mechanism 4 moves the object to the direction of the hot wire 3, so that the hot wire 3 test is completed.

[0074] The circuit, electronic components and modules involved are prior art, and those skilled in the art can realize them without further description, and the content protected by the utility model does not involve improvement of software and methods.

[0075] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in related technical fields based on the content of the utility model specification and drawings is also included in the patent protection range of the utility model.

[0076] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A glow wire tester characterized in that, Including test bench, hot wire, fixed clamp and moving mechanism; The hot wire is installed on the test bench, and the hot wire is connected with a power supply; The moving mechanism is installed at the bottom of the test bench, the moving end of the moving mechanism is connected with the fixed clamp, and a sliding groove is formed in the test bench and matched with the moving end of the moving mechanism; The fixed clamp comprises a base, a first screw rod, a hand wheel, an adjusting block, a support rod, a threaded rod, an upper clamp seat and a lower clamp seat; An adjusting groove is formed in the upper surface of the base; The first screw rod is installed in the adjusting groove, two thread ends with opposite rotation directions are formed in the first screw rod, the adjusting block is threadedly connected with each thread end, and one end of the first screw rod is connected with the hand wheel; The support rod is vertically arranged on the upper surface of the adjusting block, and the top of the support rod is fixedly connected with the upper clamp seat; The threaded rod passes through the upper clamp seat and is threadedly connected with the lower clamp seat; A guide hole matched with the support rod is formed in the lower clamp seat.

2. A glow wire tester according to claim 1, characterised in that The moving mechanism comprises a moving seat, a second screw rod, a first motor and a moving block; The moving seat is installed at the bottom of the test bench; The second screw rod is installed in the moving seat, and one end of the second screw rod is connected with the first motor; The moving block is threadedly connected with the second screw rod, the moving block is slidingly installed in the sliding groove, and the moving block is connected with the fixed clamp.

3. A glow wire tester according to claim 1, wherein Further comprising a lifting mechanism and an isolation cover, the isolation cover is arranged above the hot wire, and the lifting end of the lifting mechanism is connected with the isolation cover.

4. A glow wire tester according to claim 3, wherein The lifting mechanism comprises a lifting support, a third screw rod, a second motor, a guide rod and a lifting plate; The lifting support is installed on one side of the test bench; The third screw rod and the guide rod are vertically arranged in the lifting support; Screw holes and guide holes corresponding to the third screw rod and the guide rod are respectively formed in the lifting plate; The second motor is connected with the third screw rod; The isolation cover is fixedly arranged at the bottom of the lifting plate.

5. A glow wire tester according to claim 4, wherein A protruding part corresponding to the sliding groove is arranged at the bottom of the isolation cover.

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