CN219038732U

CN219038732U - Smoke density detection device for cable

Info

Publication number: CN219038732U
Application number: CN202223204095.8U
Authority: CN
Inventors: 林光军; 潘瀚; 凌微
Original assignee: Guangdong Zhengsheng Testing Technology Co ltd
Current assignee: Guangdong Zhengsheng Testing Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-16
Anticipated expiration: 2032-11-30

Abstract

The application relates to the technical field of cable detection, in particular to a smoke density detection device for a cable, which comprises: a detection box; the igniter is arranged in the detection box; the cable is arranged on the mounting wire frame, and the igniter is aligned to the bottom end of the cable; the smoke dispersing component is arranged on one side of the detection box, which is close to the igniter; the detection assembly comprises a light path emitter and a light path receiver, the light path emitter and the light path receiver are respectively arranged on two opposite side walls of the detection box, the light path emitter and the light path receiver are just opposite to each other, indoor air flowability of a cable during smoke test can be improved, and accuracy of detection results can be improved.

Description

Smoke density detection device for cable

Technical Field

The application relates to the technical field of cable detection, in particular to a smoke density detection device for a cable.

Background

The cable is by insulating conductor and outsourcing insulating protective layer constitution, makes the cable have interior circular telegram, the external insulation's characteristic, before the cable leaves the factory, needs the staff to carry out smoke density detection to the cable to guarantee the quality of use of cable. Smoke density detection is a test used for static measurement of cable combustion, and the lower the smoke yield of a cable is one of strategic measures for reducing fire hazard.

In the prior art, when carrying out cable combustion test, the staff fixes the cable on the sample frame, through carrying out ignition combustion to the cable, can produce smog after the some time to cable combustion to the some time of some point, then detects the smoke density of smog through detecting element.

However, in practice, because of weak air flowability in the laboratory, smoke generated during the combustion of the cable often gathers around the igniter, and the detection result of the smoke detected by the staff is inaccurate, so that the staff should judge whether the cable quality is good or bad.

Disclosure of Invention

In order to improve indoor air flowability when the cable carries out smoke test, the application provides a smoke density detection device for the cable, which can improve accuracy of detection results.

The application provides a smoke density detection device for cable adopts following technical scheme:

a smoke density detection device for a cable, comprising:

a detection box;

the igniter is arranged in the detection box;

the cable mounting device comprises a mounting wire frame, an igniter and a cable, wherein the igniter is arranged on one side of the mounting wire frame, the cable is arranged on the mounting wire frame, and the igniter is aligned to the bottom end of the cable;

the smoke dispersing component is arranged on one side, close to the igniter, of the detection box;

the detection assembly comprises a light path emitter and a light path receiver, the light path emitter and the light path receiver are respectively arranged on two opposite side walls of the detection box, and the light path emitter and the light path receiver are arranged opposite to each other.

Through adopting above-mentioned technical scheme, the staff can burn the cable through setting up the cable on the installation line frame, and the smog that gathers together around the cigarette subassembly that looses the some firearm blows away, and then makes the smog in the detection case distribute more evenly, uses through the cooperation of light path transmitter and light path receiver, can obtain the cigarette density in the detection case, compares with prior art, and the air flowability in the detection case is better, and the detected result of detection subassembly is more accurate.

Preferably, the smoke dispersing component comprises: the fixing frame is arranged in the detection box; a chute arranged in the vertical direction of the fixing frame; the push plate is arranged outside the fixing frame; the sliding block is fixed on one side of the push plate, which is close to the sliding groove; the driving piece is fixed at the top end of the fixing frame; the mounting bracket is fixed on the side wall of the fixing bracket; the smoke diffuser is arranged on the top surface of the mounting frame; the sliding block is in sliding connection with the sliding groove, and the output end of the driving piece is assembled with the top surface of the pushing plate.

Through adopting above-mentioned technical scheme, under the effect of driving piece, the slider can drive the push pedal and remove along the length direction of spout to can drive the removal that the cigarette ware that looses that sets up on the mounting bracket carries out vertical direction, the cigarette ware that looses can blow away the smog of not co-altitude, and then makes smog diffuse in whole detection case, is favorable to the follow-up smoke density detection of cable, in order to guarantee the accuracy of testing result.

Preferably, the smoke dispersing component further comprises a transmission chain and fixing supports, the transmission chain is arranged on one side, away from the mounting frame, of the pushing plate, two fixing supports are arranged, one fixing support is arranged on the pushing plate, the other fixing support is arranged on the fixing frame, and a connecting shaft is arranged between the fixing support and the transmission chain.

Through adopting above-mentioned technical scheme, under the cooperation effect of drive chain and fixed bolster, make the slider remove along the spout more steadily, improved the stationarity when the smoke diffuser carries out vertical motion.

Preferably, the top surface of the mounting frame is provided with a power piece, the output end of the power piece is assembled with the bottom wall of the smoke diffuser, and the power piece is used as a power source to drive the smoke diffuser to rotate.

Through adopting above-mentioned technical scheme, the power spare drives the smoke diffuser as the power supply and rotates, and the smoke diffuser can be further blown away the smog of detecting the incasement, is favorable to the follow-up smoke density detection of cable to guarantee the accuracy of testing result.

Preferably, a smoke extractor is mounted at the top of the detection box.

Through adopting above-mentioned technical scheme, after accomplishing the cigarette density detection of cable, the setting of fume extractor can concentrate the discharge to the smog of detecting in the case for the staff carries out centralized processing to smog for whole testing process is environmental protection more, safer.

Preferably, the installation line frame comprises a base frame and an arc-shaped plate body, wherein the arc-shaped plate body is installed on one side of the base frame, and the base frame and the arc-shaped plate body are arranged in a height-aligning manner.

Through adopting above-mentioned technical scheme, the setting of arc plate body can increase the area of contact between bed frame and the work ground, makes the structure of whole installation line frame more stable, is difficult for taking place to turn on one's side, is favorable to guaranteeing that the smoke density detection of cable can go on smoothly.

Preferably, a smoke collecting cavity is formed between the base frame and the arc-shaped plate body.

Through adopting above-mentioned technical scheme, be formed with the collection cigarette chamber between bed frame and the arc body, make the smog that the cable combustion process produced gather earlier and then diffuse, can cooperate the use of smoke diffuser better to make the smog density near the detection component even, be favorable to guaranteeing the accuracy of testing result.

Preferably, a wire fixing frame is arranged outside the igniter, one end of the cable is assembled with the top end of the base frame, and the other end of the cable is assembled with the wire fixing frame.

Through adopting above-mentioned technical scheme, the one end of cable is assembled mutually with the top of bed frame, the other end is assembled mutually with the wire frame, makes the cable can stably install, and the cable is difficult for dropping in the process of burning, is favorable to guaranteeing the smoothness that the smoke density of cable detected.

In summary, the present application includes at least one of the following beneficial technical effects:

1. staff can burn the cable through setting the cable on the installation line frame, and the smog that gathers together around the cigarette scattering component blows away the igniter, and then makes the smog in the detection case distribute more evenly, through the cooperation use of light path transmitter and light path receiver, can obtain the cigarette density in the detection case, compares with prior art, and the air flowability in the detection case is better, and the detected result of detection component is more accurate;

2. under the effect of driving piece, the slider can drive the push pedal and remove along the length direction of spout to can drive the removal that the smoke diffuser that sets up on the mounting bracket carries out vertical direction, the smoke diffuser can blow away the smog of not co-altitude, and then makes smog diffuse in whole detection case, is favorable to the subsequent smoke density detection of cable, in order to guarantee the accuracy of testing result.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic structural view of a smoke dissipating assembly according to an embodiment of the present application.

Fig. 3 is another visual schematic of fig. 2.

Reference numerals illustrate: 1. a detection box; 2. an igniter; 3. installing a wire frame; 31. a base frame; 32. an arc-shaped plate body; 33. a smoke collecting cavity; 4. a smoke dispersing component; 41. a fixing frame; 42. a push plate; 43. a slide block; 44. a driving cylinder; 45. a mounting frame; 46. a smoke diffuser; 47. a drive chain; 48. a fixed bracket; 49. a driving motor; 51. an optical path transmitter; 52. an optical path receiver; 6. a smoke exhauster; 7. a wire fixing frame; 8. and (3) a cable.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a smoke density detection device for cables.

Referring to fig. 1, a smoke density detection device for a cable includes a detection box 1, the detection box 1 has a structure with a shape according to circumstances, in this embodiment, the detection box 1 is a hollow rectangular box, the detection box 1 is placed on a working floor, a smoke extractor 6 and a detection component are installed at the top of the detection box 1, wherein one end of the smoke extractor 6 is communicated with the outside, the other end is communicated with the inside of the detection box 1, and air in the room and air in the outside can be exchanged to ensure the accuracy of the detection result, in addition, the detection component includes an optical path emitter 51 and an optical path receiver 52, the optical path emitter 51 and the optical path receiver 52 are installed on two opposite side walls of the detection box 1, and the optical path emitter 51 and the optical path receiver 52 are arranged opposite to each other.

Referring to fig. 2 and 3, the igniter 2 is installed in the detection box 1, the wire fixing frame 7 is arranged outside the igniter 2, the wire fixing frame 7 is a rectangular frame, the igniter 2 is arranged in the middle of the wire fixing frame 7, the installation wire frame 3 is installed on the working surface on one side of the igniter 2, the installation wire frame 3 comprises a base frame 31 and an arc-shaped plate body 32, the base frame 31 is a rectangular frame, the arc-shaped plate body 32 is welded on one side of the base frame 31, the base frame 31 and the arc-shaped plate body 32 are arranged in a height-aligning manner, so that the installation wire frame 3 has good structural stability, a smoke collecting cavity 33 is formed between the base frame 31 and the arc-shaped plate body 32, one end of a cable 8 is assembled with the top end of the base frame 31, the other end of the cable 8 is assembled with the wire fixing frame 7, and the igniter 2 is aligned with the bottom end of the cable 8.

The staff starts the igniter 2, and the bottom of cable 8 can be burnt to the igniter 2, and the produced smog gathers in the area back of converging cigarette chamber 33 in the cable 8 combustion process, gradually to spreading all around, under the cooperation use of light path transmitter 51 and light path receiver 52, can detect the smog density in the detection case 1.

In order to strengthen the air mobility in the detection box 1, install the cigarette subassembly 4 that looses in the detection box 1 one side that is close to the some firearm 2, the cigarette subassembly 4 that looses distributes in the some firearm 2 one side of keeping away from the arc plate body 32, can blow the smog in the detection box 1 through the cigarette subassembly 4 that looses, makes smog dispersion even to improve the accuracy of cable 8 smog detection structure.

Referring to fig. 2 and 3, the smoke dispersing component 4 includes a fixing frame 41, a pushing plate 42, a sliding block 43 fixed on one side of the pushing plate 42 close to the sliding groove, a driving member, a mounting frame 45 and a smoke dispersing device 46, wherein the fixing frame 41 is placed in the detection box 1, the sliding groove is vertically formed in the fixing frame 41 along the length direction of the fixing frame, the sliding block 43 is in sliding connection with the sliding groove, the pushing plate 42 extends out of the fixing frame 41, in the embodiment of the application, the driving member is a driving air cylinder 44, the driving air cylinder 44 is assembled with the top surface of the pushing plate 42, the driving air cylinder 44 can drive the pushing plate 42 to move along the length direction of the fixing frame 41, namely, the sliding block 43 slides along the sliding groove, the mounting frame 45 is welded on one side of the pushing plate 42, the extending direction of the mounting frame 45 is perpendicular to the length direction of the pushing plate 42, and the smoke dispersing device 46 is mounted on the top surface of the mounting frame 45.

In order to further improve the sliding stability of the sliding block 43, the smoke dispersing assembly 4 further comprises a transmission chain 47 and fixing brackets 48, wherein the transmission chain 47 is arranged on one side, far away from the mounting frame 45, of the push plate 42, two fixing brackets 48 are arranged, one fixing bracket 48 is arranged on the push plate 42, the other fixing bracket 48 is arranged on the fixing frame 41, a connecting shaft is arranged between the fixing bracket 48 and the transmission chain 47, one side of the transmission chain 47 is fixed with the push plate 42, the other side of the transmission chain is fixed with the fixing frame 41 under the action of the connecting shaft, and the arrangement of the transmission chain 47 can limit the movement stroke of the push plate 42.

Meanwhile, the power piece is installed on the top surface of the installation frame 45, in the embodiment of the application, the power piece is a driving motor 49, the output end of the driving motor 49 is assembled with the bottom wall of the smoke dispersing device 46, the smoke dispersing device 46 can be driven to rotate under the action of the driving motor 49, and the smoke dispersing device 46 can blow off smoke with different heights and different angles, so that the smoke is diffused in the whole detection box 1, and the accuracy of the detection result is improved.

The implementation principle of the smoke density detection device for the cable is as follows:

the staff assembles the one end of cable 8 with the top of bed frame 31 mutually, and the other end assembles with wire guide frame 7 mutually, and the bottom of cable 8 is aimed at to the some firearm 2, then, starts some firearm 2, and some firearm 2 can burn the bottom of cable 8.

The driving cylinder 44 is started to drive the push plate 42 to move along the length direction of the fixing frame 41, namely, the sliding block 43 slides along the sliding groove, so that the smoke diffuser 46 can move in the vertical direction to blow off smoke at different heights, and meanwhile, the driving motor 49 is started to drive the smoke diffuser 46 to rotate to blow off smoke at different angles, so that the smoke is diffused in the whole detection box 1, and the accuracy of the detection result is improved.

The foregoing is a preferred embodiment of the present application, which is merely illustrative of the present application and not intended to limit the scope of the present application in any way, so long as the present application is not limited thereto: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A smoke density detection device for a cable, comprising:

a detection box (1);

an igniter (2), wherein the igniter (2) is arranged in the detection box (1);

the device comprises an installation wire frame (3), wherein the igniter (2) is arranged on one side of the installation wire frame (3), a cable (8) is arranged on the installation wire frame (3), and the igniter (2) is aligned to the bottom end of the cable (8);

the smoke dispersing component (4) is arranged on one side, close to the igniter (2), of the detection box (1);

the detection assembly comprises an optical path emitter (51) and an optical path receiver (52), wherein the optical path emitter (51) and the optical path receiver (52) are respectively arranged on two opposite side walls of the detection box (1), and the optical path emitter (51) and the optical path receiver (52) are arranged opposite to each other.

2. A smoke density detection device for cables according to claim 1, characterized in that said smoke diffusing member (4) comprises: a fixing frame (41) arranged in the detection box (1); a chute arranged in the vertical direction of the fixing frame (41); a push plate (42) arranged outside the fixed frame (41); a sliding block (43) fixed on one side of the push plate (42) close to the sliding groove; a driving piece fixed at the top end of the fixing frame (41); the mounting frame (45) is fixed on the side wall of the fixing frame (41); and a smoke diffuser (46) arranged on the top surface of the mounting frame (45); the sliding block (43) is in sliding connection with the sliding groove, and the output end of the driving piece is assembled with the top surface of the pushing plate (42).

3. The smoke density detection device for cables according to claim 2, wherein the smoke dispersing component (4) further comprises a transmission chain (47) and fixing supports (48), the transmission chain (47) is arranged on one side, away from the mounting frame (45), of the push plate (42), two fixing supports (48) are arranged, one fixing support (48) is mounted on the push plate (42), the other fixing support (48) is mounted on the fixing frame (41), and a connecting shaft is arranged between the fixing supports (48) and the transmission chain (47).

4. The smoke density detection device for cables according to claim 2, wherein a power member is mounted on the top surface of the mounting frame (45), an output end of the power member is assembled with the bottom wall of the smoke diffuser (46), and the power member is used as a power source to drive the smoke diffuser (46) to rotate.

5. The smoke density detection device for cables according to claim 1, characterized in that the top of the detection box (1) is provided with a smoke extractor (6).

6. The smoke density detection device for cables according to claim 1, wherein the installation wire frame (3) comprises a base frame (31) and an arc-shaped plate body (32), the arc-shaped plate body (32) is installed on one side of the base frame (31), and the base frame (31) and the arc-shaped plate body (32) are arranged in a flush manner.

7. The smoke density detection device for cables according to claim 6, characterized in that a smoke collecting cavity (33) is formed between the base frame (31) and the arc-shaped plate body (32).

8. The smoke density detection device for cables according to claim 6, characterized in that a wire fixing frame (7) is arranged outside the igniter (2), one end of the cable (8) is assembled with the top end of the base frame (31), and the other end is assembled with the wire fixing frame (7).