阅读说明：本技术 一种可以净化烟雾的灼热丝试验机 (Glow wire testing machine capable of purifying smoke ) 是由 刘向东 刘杨 于 2020-12-30 设计创作，主要内容包括：本发明涉及一种可以净化烟雾的灼热丝试验机,包括机箱体,机箱体内具有试验腔及电路控制系统,机箱体外侧具有密封门及控制面板,试验腔内设置有灼热丝试验装置；所述灼热丝试验装置包括灼热丝组件及夹紧组件,所述的夹紧组件包括底盘以及设置在底盘上的一对U形框架,至少一侧的U形框架能够横向移动,通过移动增大两侧U形框架之间的距离,所述U形框架的至少一内侧壁设置有压板,U形框架的两侧壁上设置有调节栓,调节栓与U形框架侧壁螺纹旋接,调节栓端部与压板接触。本发明所述的一种可以净化烟雾的灼热丝试验机,易于装夹,适应多数试验产品,并且能够净化烟雾,防止触发室内防火开关。(The invention relates to a glowing filament testing machine capable of purifying smoke, which comprises a machine box body, wherein a testing cavity and a circuit control system are arranged in the machine box body, a sealing door and a control panel are arranged on the outer side of the machine box body, and a glowing filament testing device is arranged in the testing cavity; the glowing filament test device comprises a glowing filament assembly and a clamping assembly, wherein the clamping assembly comprises a chassis and a pair of U-shaped frames arranged on the chassis, the U-shaped frames on at least one side can move transversely, the distance between the U-shaped frames on two sides is increased by moving, a pressing plate is arranged on at least one inner side wall of each U-shaped frame, adjusting bolts are arranged on two side walls of each U-shaped frame, the adjusting bolts are connected with the side walls of the U-shaped frames in a threaded mode, and the end portions of the adjusting bolts are in contact with the pressing plate. The glow wire testing machine capable of purifying smoke is easy to clamp, is suitable for most test products, and can purify smoke and prevent an indoor fireproof switch from being triggered.)

1. A glowing filament testing machine capable of purifying smoke comprises a machine box body, wherein a testing cavity and a circuit control system are arranged in the machine box body, a sealing door and a control panel are arranged on the outer side of the machine box body, and a glowing filament testing device is arranged in the testing cavity; the glowing filament test device comprises a glowing filament component and a clamping component, and is characterized in that: the clamping assembly comprises a chassis and a pair of U-shaped frames arranged on the chassis, the U-shaped frames on at least one side can move transversely, the distance between the U-shaped frames on two sides is increased through movement, a pressing plate is arranged on at least one inner side wall of each U-shaped frame, adjusting bolts are arranged on two side walls of each U-shaped frame and screwed with the side wall of each U-shaped frame in a threaded mode, the end parts of the adjusting bolts are in contact with the pressing plate, at least one guide rod is arranged on each of the two side walls of each U-shaped frame, the guide rods penetrate through the side walls of the U-shaped frames in a sliding mode, and; a smoke filtering device is also arranged in the case body; the smoke filtering device comprises an air suction cover arranged above the glow wire, the upper part of the air suction cover is provided with a plurality of layers of smoke filtering cores, and each smoke filtering core at least comprises a primary filter, a plurality of layers of intermediate filters and an activated carbon filter; the smoke filtering device is connected with an air return pipeline, the air return pipeline is arranged on the upper portion, the side face and the bottom face of the machine box body, and the bottom face of the machine box body is provided with a plurality of air outlet holes.

2. A glow wire tester capable of purifying smoke as claimed in claim 1, wherein: the guide rod is further provided with a spring, the spring is sleeved on the guide rod, two ends of the spring are respectively contacted with the side wall of the U-shaped frame and the front end part of the guide rod, the front end part of the guide rod is provided with a limit nut, the spring has thrust on the limit nut and the side wall of the U-shaped frame, the pressing plates are close to the side wall of the U-shaped frame, and the maximum distance is reserved between the two pressing plates under the condition that no external force exists.

3. A glow wire tester capable of purifying smoke according to claim 2, wherein: the glow wire test device comprises a conveying assembly; the conveying assembly comprises a movable bottom block, a screw and two guide columns, the screw is in threaded connection with the movable bottom block, the guide columns penetrate through the movable bottom block, the movable bottom block is in sliding connection with the guide columns, and the guide columns are parallel to the screw.

4. A glow wire tester capable of purifying smoke according to claim 3, wherein: the movable bottom block is provided with a pair of raised slide rails, the bottom surface of the chassis is provided with corresponding guide grooves, and the guide grooves are clamped on the slide rails and can slide; the tail end of the movable bottom block is provided with a limiting seat, a plurality of springs are arranged between the limiting seat and the chassis, and a pressure sensor is further arranged.

5. The glow wire tester capable of purifying smoke according to claim 4, wherein: the glowing filament subassembly includes the support frame and sets up the glowing filament on the support frame.

6. The glow wire tester capable of purifying smoke according to claim 5, wherein: the primary filter comprises at least three layers of filter cotton.

7. The glow wire tester capable of purifying smoke according to claim 6, wherein: the air suction cover is provided with an air suction fan.

8. A glow wire tester capable of purifying smoke according to claim 1 or 7, wherein: the side plate is arranged on the upper side portion of the chassis and provided with a second adjusting bolt, the second adjusting bolt is in contact with the bottom surface of the U-shaped frame, a pair of second guide rods is arranged on the bottom surface of the U-shaped frame, and the second guide rods penetrate through the side plate.

Technical Field

The invention relates to the field of glow wire testing machines, in particular to a glow wire testing machine capable of purifying smoke.

Background

In the glow wire test of the product, a client examines an item which needs to be tested when the product is tested, and the product can be returned once the product is not qualified, even the batch of the product is stopped, and great loss is brought to a manufacturer. It is therefore necessary for the manufacturer to conduct glow wire tests on the product during manufacture in order to control the material fire resistance of the product over time according to the glow wire flammability index, the glow wire ignition temperature being at least 650 ℃ and up to 960 ℃. The fumes produced during combustion are generally expelled from the chamber through an opening in the testing machine. Therefore, the laboratory is generally arranged in a place with rare smoke, the smoke of the glow wire is easy to trigger a fire switch of a floor, and the fire switch is not really a fire.

Disclosure of Invention

The glow wire testing machine capable of purifying smoke is provided for overcoming the problems, is easy to clamp, is suitable for most test products, can purify smoke and prevents an indoor fireproof switch from being triggered.

The technical scheme adopted by the invention for solving the technical problems is as follows: a glowing filament testing machine capable of purifying smoke comprises a machine box body, wherein a testing cavity and a circuit control system are arranged in the machine box body, a sealing door and a control panel are arranged on the outer side of the machine box body, and a glowing filament testing device is arranged in the testing cavity; the glow wire test device comprises a glow wire assembly and a clamping assembly, wherein the clamping assembly comprises a chassis and a pair of U-shaped frames arranged on the chassis, the U-shaped frame on at least one side can move transversely, the distance between the U-shaped frames on two sides is increased by moving, a pressing plate is arranged on at least one inner side wall of each U-shaped frame, adjusting bolts are arranged on two side walls of each U-shaped frame, the adjusting bolts are screwed with the side walls of the U-shaped frames in a threaded manner, the end parts of the adjusting bolts are in contact with the pressing plate, at least one guide rod is arranged on two side walls of each U-shaped frame, the guide rods slide through the side walls of the U-shaped frames, and; a smoke filtering device is also arranged in the case body; the smoke filtering device comprises an air suction cover arranged above the glow wire, the upper part of the air suction cover is provided with a plurality of layers of smoke filtering cores, and each smoke filtering core at least comprises a primary filter, a plurality of layers of intermediate filters and an activated carbon filter; the smoke filtering device is connected with an air return pipeline, the air return pipeline is arranged on the upper portion, the side face and the bottom face of the machine box body, and the bottom face of the machine box body is provided with a plurality of air outlet holes.

Preferably, the guide rod is further provided with a spring, the spring is sleeved on the guide rod, two ends of the spring are respectively contacted with the side wall of the U-shaped frame and the front end part of the guide rod, the front end part of the guide rod is provided with a limit nut, the spring has thrust on the limit nut and the side wall of the U-shaped frame, the pressing plates are enabled to be close to the side wall of the U-shaped frame, and the maximum distance is reserved between the two pressing plates under the condition that no external force exists.

Preferably, the glow wire test device further comprises a conveying component; the conveying assembly comprises a movable bottom block, a screw and two guide columns, the screw is in threaded connection with the movable bottom block, the guide columns penetrate through the movable bottom block, the movable bottom block is in sliding connection with the guide columns, and the guide columns are parallel to the screw.

Preferably, a pair of raised slide rails is arranged on the movable bottom block, a corresponding guide groove is arranged on the bottom surface of the chassis, and the guide groove is clamped on the slide rails and can slide; the tail end of the movable bottom block is provided with a limiting seat, a plurality of springs are arranged between the limiting seat and the chassis, and a pressure sensor is further arranged.

Preferably, the glow wire assembly comprises a support frame and a glow wire arranged on the support frame.

Preferably, the primary filter comprises at least three layers of filter cotton.

Preferably, the suction cover is provided with a suction fan.

Preferably, the tail end of the return air pipeline is provided with an exhaust blower.

Preferably, a side plate is arranged on the upper side portion of the chassis, a second adjusting bolt is arranged on the side plate and is in contact with the bottom surface of the U-shaped frame, a pair of second guide rods is arranged on the bottom surface of the U-shaped frame, and the second guide rods penetrate through the side plate.

The invention has the beneficial effects that: a glowing filament testing machine capable of purifying smoke is easy to clamp a clamping component, is suitable for most test products, can be expanded and reduced, has a damping measure in an experimental process, prevents equipment from being damaged, and is inaccurate in experiment; and can purify smog, the experiment back waste gas can purify in the quick-witted box, prevents to trigger indoor fire prevention switch.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the whole structure of a glow wire tester capable of purifying smoke according to the present invention;

FIG. 2 is a schematic view of the internal structure of a glow wire tester capable of purifying smoke according to the present invention;

FIG. 3 is a schematic top view of a glow wire testing device of the glow wire testing machine capable of purifying smoke according to the present invention;

FIG. 4 is a schematic side view of the gripping assembly and the transport assembly of the glow wire testing apparatus of the present invention;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 3;

figure 6 is a schematic view of a smoke filter according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The invention is implemented as follows: the glow wire testing machine capable of purifying smoke as shown in figures 1-5 comprises a machine box body 1, wherein a test cavity and a circuit control system are arranged in the machine box body 1, a sealing door and a control panel 11 are arranged on the outer side of the machine box body 1, and a glow wire testing device is arranged in the test cavity.

The glow wire test device comprises a glow wire component, a clamping component and a conveying component, wherein the glow wire component comprises a support frame 2 and a glow wire 21 arranged on the support frame 2;

the clamping assembly comprises a chassis 3 and a pair of U-shaped frames 4 arranged on the chassis 3, a test article is clamped into the U-shaped frames 4 on the two sides so as to be fixed, the U-shaped frame 4 on one side can move transversely, and the distance between the U-shaped frames 4 on the two sides is increased through movement so as to adapt to more test articles; a pressing plate 41 is arranged on one inner side wall of the U-shaped frame 4, adjusting bolts 42 are arranged on two side walls of the U-shaped frame 4, the adjusting bolts 42 are in threaded connection with the side wall of the U-shaped frame 4, the end portions of the adjusting bolts 42 are in contact with the pressing plate 41, at least one guide rod 43 is arranged on the two side walls of the U-shaped frame 4, the guide rods 43 penetrate through the side wall of the U-shaped frame 4 in a sliding mode, and the tail end portions of the guide rods are fixedly connected with the pressing. The guide rod 43 is further provided with a spring 44, the spring 44 is sleeved on the guide rod 43, two ends of the spring 44 are respectively contacted with the side wall of the U-shaped frame 4 and the front end part of the guide rod 43, the front end part of the guide rod 43 is provided with a limit nut 45, the spring 44 has thrust on the limit nut 45 and the side wall of the U-shaped frame 4, the pressing plate 41 is enabled to be close to the side wall of the U-shaped frame 4, under the condition of no external force, the maximum distance is reserved between the two pressing plates 41, and the pressing plates are adaptive to various test articles with different sizes. In this embodiment, a pressing plate 41 is provided on the inner side wall of the rear side (the side away from the glow wire) of the U-shaped frame 4.

The conveying assembly comprises a movable bottom block 5, a screw rod 51 and two guide columns 52, wherein the screw rod 51 is screwed with the movable bottom block 5, the guide columns 52 penetrate through the movable bottom block 5, the movable bottom block 5 is connected with the guide columns 52 in a sliding mode, and the guide columns 52 are parallel to the screw rod 51. The screw 51 has corresponding bearing seats on both sides, the screw 51 is driven by a motor 511, and the motor 511 is operated by the control panel 11.

The movable bottom block 5 is provided with a pair of raised slide rails 53, the bottom surface of the chassis 3 is provided with corresponding guide grooves, and the guide grooves are clamped on the slide rails 53 and can slide. Remove 5 tail ends of bottom block and be provided with spacing seat 54, be provided with many springs between spacing seat 54 and the chassis 3 to still be provided with pressure sensor 55, have the shock attenuation effect, when the glowing filament 21 was touchhed to the test article, the spring shock attenuation prevented that the impact is too big, led to experimental inaccurate, and monitoring spring pressure makes pressure sensor keep at the within range of settlement, improves experimental rate of accuracy.

As shown in fig. 6, a smoke filtering device is further arranged in the cabinet 1; the glowing filament smoke filter comprises an air suction cover 6 arranged above a glowing filament 21, wherein nine layers of smoke filter cores are arranged on the upper portion of the air suction cover 6, and the smoke filter cores at least comprise a primary filter 61, a multi-layer medium-efficiency filter 62 and an activated carbon filter 63, in the embodiment, the primary filter 61 comprises three layers of filter cotton, and the medium-efficiency filter 62 is a plate-type medium-efficiency filter and is 3-5 layers. The smoke filtering device is connected with an air return pipeline 7, the air return pipeline 7 is arranged on the upper portion, the side face and the bottom face of the machine box body 1, the bottom plate face of the machine box body 1 is provided with a plurality of air outlet holes 12, discharged air is uniform, a cavity layer 71 is arranged below the air outlet holes of the bottom plate face, the air return pipeline 7 is communicated to the cavity layer 71, and the air suction hood 6 is provided with an air suction fan. The tail end of the return air duct 7 is provided with an exhaust blower 72, and the exhaust blower 72 is arranged at the bottom of the side surface of the case body 1, namely the turning part of the side surface and the bottom surface of the return air duct 7, so that the air flow is enhanced, and the smoke purification efficiency is improved.

One of them side of side portion is provided with curb plate 31 on chassis 3, and the curb plate is provided with second adjusting bolt 32, and second adjusting bolt 32 and U-shaped frame 4's bottom surface contact, and U-shaped frame 4 bottom surface is provided with a pair of second guide bar 33, and second guide bar 33 passes curb plate 31 and U-shaped frame 4 bottom surface fixed connection, and second guide bar 33 has cup jointed second nut spring 34 and second nut, makes both sides U-shaped frame 4 can the adjusting distance, adapts to more experimental product sizes.

According to the glow wire testing machine capable of purifying smoke, the clamping component is easy to clamp, is suitable for most test products, can be expanded and reduced, has a damping measure in the experimental process, prevents equipment from being damaged, and is inaccurate in experiment; and can purify smog, the experiment back waste gas can purify in the quick-witted box, prevents to trigger indoor fire prevention switch.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.