CN211825576U

CN211825576U - Smoke sensor with filtering function

Info

Publication number: CN211825576U
Application number: CN202020362601.8U
Authority: CN
Inventors: 宣梓安
Original assignee: Nanjing Ruilanshi Photoelectric Sensor Technology Research Institute Co ltd
Current assignee: Nanjing Ruilanshi Photoelectric Sensor Technology Research Institute Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-10-30
Anticipated expiration: 2030-03-20

Abstract

The utility model belongs to the technical field of smoke transducer, especially, a smoke transducer with filtering capability, when meeting with the conflagration, can inhale more flue gas that contains granule impurity to current smoke transducer, these impurity can cause the jam to smoke transducer's air inlet, and then the subsequent problem of using of direct influence smoke transducer, the following scheme is put forward at present, and it includes the mount pad, the top fixed mounting of mount pad has first casing, the top of first casing rotates and is connected with the second casing, annular has seted up a plurality of air inlets on the first casing, fixed mounting has the detection room in the first casing; the utility model discloses convenient operation utilizes the filter screen to realize carrying out filterable effect to the granule in the smog, and the cleaning brush and the micro fan that set up on the second casing simultaneously then can clean the filter screen, can not cause the filter screen to block up and have influenced the accurate nature that photoelectric smoke transducer detected smog.

Description

Smoke sensor with filtering function

Technical Field

The utility model relates to a smoke transducer technical field especially relates to a smoke transducer with filtering capability.

Background

The smoke sensor realizes fire prevention by monitoring the concentration of smoke, the ion type smoke sensor is adopted in the smoke alarm, the ion type smoke sensor is an advanced technology and works stably and reliably, the ion type smoke sensor is widely applied to various fire alarm systems, and the performance of the ion type smoke sensor is far superior to that of gas-sensitive resistors type fire alarms.

When a fire disaster occurs in the existing smoke sensor, smoke containing more particle impurities can be sucked, the impurities can block an air inlet of the smoke sensor, and further the subsequent use of the smoke sensor is directly influenced, so that the smoke sensor with the filtering function is provided, and the problem is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of putting in the prior art, and providing a smoke sensor with a filtering function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a smoke sensor with a filtering function comprises a mounting seat, wherein a first shell is fixedly mounted at the top of the mounting seat, a second shell is rotatably connected at the top of the first shell, a plurality of air inlets are annularly formed in the first shell, a detection chamber is fixedly mounted in the first shell, a filter screen is fixedly mounted in the detection chamber in an annular manner, a photoelectric smoke sensor is fixedly mounted in the detection chamber, two symmetrically-arranged mounting plates are fixedly mounted at the bottom of the second shell, the bottoms of the two mounting plates extend into the first shell, a micro-fan and a cleaning brush are fixedly mounted at one side of each mounting plate respectively, a collecting groove is formed in one side of the bottom of each mounting plate, one end of each cleaning brush is attached to the outer side of the filter screen, an elastic box is fixedly mounted at one side of the second shell, and an elastic component is arranged in the elastic box, and the elastic component is fixedly provided with a movable plate, the bottom of the movable plate extends to the lower part of the elastic box and is fixedly provided with the movable plate, the bottom of the movable plate is fixedly provided with an arc-shaped plate, one side of the first shell is fixedly provided with a clamping block, and the arc-shaped plate and the clamping block are clamped together.

Preferably, the number of the air inlets is ten to fifteen, and ten to fifteen air inlets are annularly and equidistantly arranged on the outer side of the first shell.

Preferably, the annular sliding groove has been seted up on the first casing, the bottom fixed mounting of second casing has two arc slider that the symmetry set up, and two arc slider all extend to in the annular sliding groove and with annular sliding groove sliding connection, utilize arc slider and annular sliding groove can not take place the skew when making the second casing rotate on first casing.

Preferably, the elastic assembly comprises a return spring fixedly mounted on the inner wall of the top of the elastic box, a sliding plate is fixedly mounted at the bottom of the return spring, the top of the moving plate extends into the elastic box and is fixedly connected with the bottom of the sliding plate, and the moving plate can be limited by the return spring so that a reverse blocking acting force is exerted when the moving plate moves upwards.

Preferably, both sides of the arc-shaped plate are fixedly provided with poking blocks, and the arc-shaped plate can be pulled to move longitudinally by the poking blocks.

Preferably, the inboard of arc is provided with the screw thread rubber pad, and the laminating of the outside of screw thread rubber pad and fixture block, utilizes the screw thread rubber pad can increase the frictional force of arc and fixture block.

In the utility model, the smoke can enter the detection chamber through the air inlet, the photoelectric smoke detector is arranged in the detection chamber and can detect the smoke, and once the smoke concentration reaches the specified parameter, the photoelectric smoke detector can give an alarm to the smoke;

when smoke enters the detection chamber, the filter screen can be used for filtering foreign particles in the external smoke, so that the photoelectric smoke sensor can be effectively prevented from being damaged by the smoke particles, and the service life of the photoelectric smoke sensor is greatly prolonged;

when the filter screen on the detection room appears blockking up, rotate the second casing this moment, the second casing can rotate on first casing, and the second casing can drive the mounting panel and rotate, and the mounting panel can drive the cleaning brush and rotate, so the cleaning brush can clean the filter screen, starts the minidraught fan this moment and can blow the smog granule on the filter screen to the collecting tank in, and then has reached and has carried out clear purpose to the filter screen.

The utility model discloses convenient operation utilizes the filter screen to realize carrying out filterable effect to the granule in the smog, and the cleaning brush and the micro fan that set up on the second casing simultaneously then can clean the filter screen, can not cause the filter screen to block up and have influenced the accurate nature that photoelectric smoke transducer detected smog.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a smoke sensor with a filtering function according to the present invention;

fig. 2 is a schematic cross-sectional view of fig. 1 of a smoke sensor with a filtering function according to the present invention;

fig. 3 is a schematic side view of the mounting plate of the smoke sensor with filtering function according to the present invention;

fig. 4 is an enlarged cross-sectional structural schematic view of a portion a of a smoke sensor with a filtering function according to the present invention;

fig. 5 is an enlarged schematic structural diagram of a portion B of a smoke sensor with a filtering function according to the present invention;

fig. 6 is an enlarged schematic structural diagram of a part C of a smoke sensor with a filtering function according to the present invention.

In the figure: the device comprises a mounting seat 1, a first shell 2, a second shell 3, an air inlet 4, a detection chamber 5, a filter screen 6, a photoelectric smoke sensor 7, a mounting plate 8, a micro-fan 9, a cleaning brush 10, a collecting tank 11, an arc-shaped sliding block 12, an annular sliding groove 13, an elastic box 14, a return spring 15, a moving plate 16, an arc-shaped plate 17 and a clamping block 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-6, a smoke sensor with filtering function comprises a mounting base 1, a first casing 2 is fixedly installed on the top of the mounting base 1, a second casing 3 is rotatably connected on the top of the first casing 2, a plurality of air inlets 4 are annularly arranged on the first casing 2, a detection chamber 5 is fixedly installed in the first casing 2, a filter screen 6 is fixedly installed on the detection chamber 5 in an annular manner, a photoelectric smoke sensor 7 is fixedly installed in the detection chamber 5, two symmetrically arranged mounting plates 8 are fixedly installed on the bottom of the second casing 3, the bottoms of the two mounting plates 8 extend into the first casing 2, a micro-fan 9 and a cleaning brush 10 are respectively and fixedly installed on one side of the mounting plates, a collecting groove 11 is arranged on one side of the bottom of the mounting plate 8, one end of the cleaning brush 10 is attached to the outer side of the filter screen 6, an elastic box 14 is fixedly installed on one side of the second, an elastic assembly is arranged in the elastic box 14, a moving plate 16 is fixedly mounted on the elastic assembly, the bottom of the moving plate 16 extends to the lower portion of the elastic box 14, the moving plate 16 is fixedly mounted on the bottom of the moving plate 16, an arc-shaped plate 17 is fixedly mounted at the bottom of the moving plate 16, a clamping block 18 is fixedly mounted on one side of the first shell 2, and the arc-shaped plate 17 and the clamping block 18 are clamped together.

Example two

The embodiment is improved on the basis of the first embodiment: the number of the air inlets 4 is ten to fifteen, and the ten to fifteen air inlets 4 are annularly and equidistantly arranged on the outer side of the first shell 2; an annular sliding groove 13 is formed in the first shell 2, two arc-shaped sliding blocks 12 which are symmetrically arranged are fixedly mounted at the bottom of the second shell 3, the two arc-shaped sliding blocks 12 extend into the annular sliding groove 13 and are in sliding connection with the annular sliding groove 13, and the second shell 3 cannot deviate when rotating on the first shell 2 by means of the arc-shaped sliding blocks 12 and the annular sliding groove 13; the elastic assembly comprises a return spring 15 fixedly arranged on the inner wall of the top of the elastic box 14, a sliding plate is fixedly arranged at the bottom of the return spring 15, the top of the moving plate 16 extends into the elastic box 14 and is fixedly connected with the bottom of the sliding plate, and the moving plate 16 can be limited by the return spring 15, so that reverse blocking acting force is generated when the moving plate 16 moves upwards; both sides of the arc-shaped plate 17 are fixedly provided with poking blocks, and the poking blocks can be used for pulling the arc-shaped plate 17 to move longitudinally; the inner side of the arc-shaped plate 17 is provided with a threaded rubber pad, the threaded rubber pad is attached to the outer side of the clamping block 18, and the friction force between the arc-shaped plate 17 and the clamping block 18 can be increased by the threaded rubber pad.

In the utility model, the smoke can enter the detection chamber 5 through the air inlet 4, the photoelectric smoke detector 7 is arranged in the detection chamber 5, the photoelectric smoke detector 7 can detect the smoke, and once the smoke concentration reaches the specified parameter, the photoelectric smoke detector 7 can give an alarm;

when smoke enters the detection chamber 5, the filter screen 6 can be used for filtering foreign particles in external smoke, so that the photoelectric smoke sensor 7 can be effectively prevented from being damaged by the smoke particles, and the service life of the photoelectric smoke sensor 7 is greatly prolonged;

when the filter screen 6 on the detection room 5 is blocked, the second shell 3 is rotated at the moment, the second shell 3 can rotate on the first shell 2, the second shell 3 can drive the mounting plate 8 to rotate, the mounting plate 8 can drive the cleaning brush 10 to rotate, so the cleaning brush 10 can clean the filter screen 6, the micro-fan 9 is started at the moment to blow smoke particles on the filter screen 6 into the collecting groove 11, and the aim of cleaning the filter screen 6 is achieved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The smoke sensor with the filtering function comprises a mounting seat (1) and is characterized in that a first shell (2) is fixedly mounted at the top of the mounting seat (1), a second shell (3) is rotatably connected to the top of the first shell (2), a plurality of air inlets (4) are annularly formed in the first shell (2), a detection chamber (5) is fixedly mounted in the first shell (2), a filter screen (6) is fixedly mounted in the detection chamber (5) in an annular manner, a photoelectric smoke sensor (7) is fixedly mounted in the detection chamber (5), two symmetrically-arranged mounting plates (8) are fixedly mounted at the bottom of the second shell (3), the bottoms of the two mounting plates (8) extend into the first shell (2), a micro fan (9) and a cleaning brush (10) are fixedly mounted on one side of the mounting plates () respectively, collecting vat (11) have been seted up to bottom one side of mounting panel (8), the one end of cleaning brush (10) is laminated with the outside of filter screen (6) mutually, one side fixed mounting of second casing (3) has flexible case (14), be provided with elastic component in flexible case (14), and fixed mounting has movable plate (16) on the elastic component, the bottom of movable plate (16) extends to the below and fixed mounting of flexible case (14) has movable plate (16), the bottom fixed mounting of movable plate (16) has arc (17), one side fixed mounting of first casing (2) has fixture block (18), and arc (17) and fixture block (18) clamp mutually.

2. A smoke sensor with filtering function according to claim 1, wherein the number of said air inlets (4) is ten to fifteen, and ten to fifteen air inlets (4) are arranged in a ring shape at equal intervals outside the first housing (2).

3. The smoke sensor with the filtering function according to claim 1, wherein an annular sliding groove (13) is formed in the first housing (2), two arc-shaped sliding blocks (12) which are symmetrically arranged are fixedly mounted at the bottom of the second housing (3), and both the two arc-shaped sliding blocks (12) extend into the annular sliding groove (13) and are slidably connected with the annular sliding groove (13).

4. A smoke sensor with filtering function according to claim 1, wherein said elastic assembly comprises a return spring (15) fixedly mounted on the inner wall of the top of the elastic box (14), the bottom of said return spring (15) is fixedly mounted with a sliding plate, and the top of said moving plate (16) extends into the elastic box (14) and is fixedly connected with the bottom of the sliding plate.

5. The smoke sensor with filtering function as claimed in claim 1, wherein a toggle block is fixedly mounted on both sides of said arc plate (17).

6. The smoke sensor with filtering function as claimed in claim 1, wherein the inner side of said arc plate (17) is provided with a threaded rubber pad, and the threaded rubber pad is attached to the outer side of the block (18).