Small element ignition test equipment

Abstract

The utility model discloses small component ignition test equipment, which belongs to the technical field of small component ignition tests and comprises a box body, a box cover is mounted on the box body, toughened glass is arranged on the box cover, a rubber pad is arranged on the box cover, a pressing plate is arranged on the side of the rubber pad, a screw is sleeved on the pressing plate, and the screw is sleeved on the pressing plate. The end of the screw is installed in the box cover in a threaded mode, and a sealing ring is arranged in a threaded hole in one side of the box body. According to the utility model, the device can be moved freely, the ignition state of a small element during test can be observed through the thickened toughened glass, and the temperature can be fed back through the thermocouple in time; the problems that in the prior art, small element ignition test equipment is heavy and inconvenient to move, and the ignition state in the small element ignition test equipment cannot be seen clearly due to an opaque shell are solved, a user can know the state in the test at any time, and the maneuverability of the small element ignition test equipment is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to small component ignition test technical field more specifically, relate to a small component ignition test equipment. BACKGROUND

[0002] When the temperature rise test is carried out to the explosion-proof electrical product, the highest surface temperature thereof is required to meet the requirement of the specified temperature group, and the highest surface temperature refers to the highest surface temperature of the explosion-proof electrical product under the normal work or the specified fault state, which will not ignite the explosive gas mixture of the specified temperature group.

[0003] The explosion-proof electrical product of specific explosion-proof type such as no spark type ec, intrinsically safe type i and the like, because the highest surface temperature of the whole machine depends on the highest surface temperature of the internal electrical components (such as resistance, sensor, semiconductor component and the like), most of these electrical components are very small in volume (we call it small component), if the temperature of these small components is measured by using the traditional temperature measuring instrument, on the one hand, it is inconvenient to operate, and it is difficult to fix the temperature measuring probe on the component with such small volume, and some components are even too small to fix the temperature measuring probe on the surface thereof; on the other hand, because the heat conduction between the temperature measuring probe and the measured component cannot be ignored, the accuracy of the test result is seriously affected; and according to the performance of the present test instrument, the accuracy of the measurement result is also relatively low. Therefore, in order to determine whether the small component meets the requirement of the specified temperature group, the more scientific and reasonable method is to carry out the small component temperature ignition test by using the combustible gas mixture of the specified temperature group, and for this purpose, the utility model provides a small component ignition test equipment. CONTENT OF THE UTILITY MODEL

[0004] In view of the problems mentioned in the above background technology, the utility model aims at providing a small component ignition test equipment.

[0005] In order to solve the above problems, the utility model adopts the following technical scheme:

[0006] A small component ignition test equipment, comprising a box body, a box cover is installed on the box body, a tempered glass is arranged on the box cover, a rubber pad is arranged on the box cover, a pressing plate is arranged on the side of the rubber pad, a screw is sleeved on the pressing plate, the end of the screw is screwed into the inside of the box cover, a sealing ring is arranged in the threaded hole on one side of the box body, a compression nut is screwed into the threaded hole on one side of the box body, a thermocouple is sleeved on the inside of the sealing ring, the detection end of the thermocouple extends to the inner cavity of the box body, an electric spark is arranged on the side of the box body, a mounting plate is installed on the side of the box body, and a spark button is arranged on the mounting plate.

[0007] As one preferred scheme of the utility model, a plurality of bolts are sleeved on the box cover, and the end of the bolt is threadedly connected with the box.

[0008] As one preferred scheme of the utility model, the box is provided with an air inlet hole on one side and an air outlet hole on the other side.

[0009] As one preferred scheme of the utility model, epoxy resin glue is arranged between the box cover and the tempered glass.

[0010] As one preferred scheme of the utility model, the electric spark is connected with the box through threads.

[0011] As one preferred scheme of the utility model, the mounting plate is connected with the box through screws.

[0012] The utility model has the advantages of:

[0013] In the utility model, the small component can be freely moved, the state of the small component when ignited during the test can be observed through the thickened tempered glass, and the temperature can be fed back in time through the thermocouple, the problems that the test equipment is heavy and inconvenient to move and the state when ignited in the test equipment cannot be observed due to the opaque shell are overcome, the user can know the state during the test at any time, the mobility is ensured, and the utility is good. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a sectional view of the box of the utility model;

[0015] Figure 2 It is a sectional view of the whole side of the utility model;

[0016] Figure 3 It is a whole split schematic view of the utility model.

[0017] Explanation of reference numerals in the drawing:

[0018] 1, box cover; 2, box; 3, tempered glass; 4, rubber pad; 5, pressing plate; 6, bolt; 7, screw; 8, sealing ring; 9, compression nut; 10, mounting plate; 11, spark button; 12, electric spark; 13, thermocouple; 14, air inlet hole; 15, air outlet hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0020] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] Embodiment:

[0023] Please refer to Figures 1-3 A small component ignition test equipment, including box 2, box 2 is installed on the box cover 1, the box cover 1 is provided with tempered glass 3, the box cover 1 is provided with rubber pad 4, the side of rubber pad 4 is provided with pressing plate 5, the pressing plate 5 is sleeved with screw 7, the end of screw 7 is screwed into the inside of box cover 1, the threaded hole in one side of box 2 is provided with sealing ring 8, the threaded hole in one side of box 2 is screwed with compression nut 9, the inside of sealing ring 8 is sleeved with thermocouple 13, the detection end of thermocouple 13 extends to the inner cavity of box 2, the side of box 2 is provided with electric spark 12, the side of box 2 is provided with mounting plate 10, the mounting plate 10 is provided with spark button 11.

[0024] In this embodiment, the compression nut 9 is tightened to extrude the sealing ring 8 to clamp and seal the thermocouple 13.

[0025] Specifically, please refer to Figure 2 And Figure 3 A plurality of bolts 6 are sleeved on the box cover 1, and the ends of the bolts 6 are threadedly connected with the box 2.

[0026] In this embodiment, the box cover 1 is fixed on the box body 2 by the bolt 6.

[0027] Specifically, please refer to Figure 1 , the box body 2 is provided with an air inlet hole 14 on one side, and an air outlet hole 15 on the other side.

[0028] In this embodiment, the air inlet hole 14 is connected with an external pipeline to guide the ether gas into the inner cavity of the box body 2, and the air outlet hole 15 is connected with another external pipeline to discharge the exhaust gas after combustion, and the external pipelines are provided with valves.

[0029] Specifically, please refer to Figure 2 , the box cover 1 and the tempered glass 3 are provided with epoxy resin glue.

[0030] In this embodiment, the epoxy resin glue is used to adhere the box cover 1 and the tempered glass 3, to ensure the sealing between the box cover 1 and the tempered glass 3.

[0031] Specifically, please refer to Figure 1 , the electric spark 12 is connected with the box body 2 by screw thread.

[0032] In this embodiment, the electric spark 12 is screw thread rotated and installed on the side of the box body 2, so that the electric spark 12 can ignite the gas in the inner cavity of the box body 2.

[0033] Specifically, please refer to Figure 1 , the mounting plate 10 is connected with the box body 2 by the screw 7.

[0034] In this embodiment, the mounting plate 10 is installed on the side of the box body 2 by the screw 7.

[0035] Working principle: during the small component ignition test, first, the small component is put into the box body 2, the box cover 1 is installed on the box body 2 by the bolt 6, then a certain amount of ether gas is injected into the inner cavity of the box body 2 from the air inlet hole 14, at this time, the spark button 11 is pressed, the electric spark 12 works to produce electric spark to ignite the ether gas, the ether gas is ignited to generate temperature in the inner cavity of the box body 2, the thermocouple 13 in the box body 2 measures the temperature, and the external display device displays the temperature value, at the same time, the tester observes the state of the small component ignition through the tempered glass 3, finally, the inner gas is discharged by opening the air outlet hole 15 after the test is completed, the small component is taken out by opening the box cover 1, and the small component ignition test is completed.

[0036] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A small component ignition test apparatus characterized by: The utility model relates to a kind of safety box, including box (2), the box cover (1) is installed on the box (2), the toughened glass (3) is arranged on the box cover (1), the rubber pad (4) is arranged on the box cover (1), the side of the rubber pad (4) is provided with pressing plate (5), the screw (7) is sleeved on the pressing plate (5), the end of the screw (7) is screw-mounted to the inside of box cover (1), sealing ring (8) is arranged in the threaded hole of the side of box (2), compression nut (9) is screw-mounted in the threaded hole of the side of box (2), the inside of the sealing ring (8) is sleeved with thermocouple (13), the detection end of the thermocouple (13) extends to the inner chamber of box (2), the side of the box (2) is provided with electric spark (12), the mounting plate (10) is installed on the side of the box (2), the mounting plate (10) is provided with spark button (11).

2. A small component ignition test apparatus according to claim 1, characterized by: The box cover (1) is sleeved with a plurality of bolts (6), and the end of the bolt (6) is threadedly connected with the box (2).

3. A small- component ignition test apparatus according to claim 1, characterized by: One side of the box (2) is provided with an air inlet hole (14), and the other side of the box (2) is provided with an air outlet hole (15).

4. A small- component ignition test apparatus according to claim 1, characterized by: Epoxy resin glue is arranged between the box cover (1) and the toughened glass (3).

5. A small- component ignition test apparatus according to claim 1, characterized by: The electric spark (12) and the box (2) are connected by threads.

6. A small- component ignition test apparatus according to claim 1, characterized by: The mounting plate (10) and the box (2) are connected by the screw (7).

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