Multi-point collection smoke detector

Abstract

The utility model discloses a multi-point collection smoke dust detector, which belongs to the technical field of smoke dust detectors and comprises a smoke dust detector body and a sampling component, the sampling component comprises a vertical pipe and a bottom pipe, two guide grooves are arranged on the outer surface of the bottom of the vertical pipe, and the bottom of the vertical pipe is connected with the bottom of the bottom pipe. Through the structural design of the vertical pipe, the bottom pipe and the bearing piece, the filter screen can be conveniently and rapidly disassembled, the disassembly and assembly time is effectively shortened, the operation difficulty is reduced, and the maintenance efficiency of the filter screen is greatly improved; by means of the structural design of the collecting piece, air at multiple point positions can be efficiently sampled, collection of air samples is enriched, representativeness of the air samples is guaranteed, and accuracy of detection data is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a smoke detector technology field, concretely is a kind of smoke detector of multipoint collection. BACKGROUND

[0002] The smoke detector is a kind of instrument specially used for monitoring and measuring the concentration of particulate matter and harmful gas in air, which is mainly used for monitoring the smoke and harmful gas emission of industrial emission source, to ensure that the enterprise emission meets environmental protection standards, reduces environmental pollution, and is also used for monitoring the concentration of smoke and harmful gas in indoor air, to provide data support for improving indoor air quality and basis for environmental protection policy making and effect evaluation, and is widely used in the fields of environmental protection, industrial emission, indoor air quality monitoring, etc., in order to ensure the accuracy of detection data, the large particle floating impurities in air need to be filtered out by filter screen before detection.

[0003] However, the filter screen of the existing smoke detector is mostly arranged inside the smoke detector, and when the filter screen inside the smoke detector needs to be cleaned or replaced after long-term operation, the filter screen needs to be taken out by disassembling the smoke detector, which is troublesome, time-consuming and labor-consuming, affects the disassembly efficiency of the filter screen, and the existing detector can only sample air at a single point during smoke detection, which is difficult to sample air at multiple points, easily leads to poor representativeness of air samples, affects the detection effect of the smoke detector, and reduces the accuracy of detection data. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of smoke detector of multipoint collection, the structure design of standpipe, bottom pipe, support piece and collection piece can conveniently disassemble filter screen, can sample the air of multiple points, solve the problem that filter screen is troublesome and difficult to collect sample at multiple points.

[0005] The utility model is realized by the following technical solutions:

[0006] The utility model is a kind of smoke detector of multipoint collection, including smoke detector body and sampling assembly, sampling assembly includes standpipe and bottom pipe, the bottom outer surface of standpipe is provided with guide slot, the number of guide slot is two, clamping groove is provided in guide slot, bottom pipe is arranged on smoke detector body and is penetrated, clamping block is arranged on the inner wall of bottom pipe, the number of clamping block is two, clamping block cooperates with guide slot, clamping block is connected with clamping groove, the inner wall of bottom pipe is provided with placement ring, support piece is arranged on placement ring, support piece includes support ring, the bottom of support ring is provided with compression spring, the number of compression spring is six, annular groove is arranged in the top of support ring, filter screen is arranged in annular groove, the bottom end of standpipe is in contact with the surface of filter screen.

[0007] Further, the bottom end of the stand pipe is provided with a pressing ring matched with the annular groove, and the bottom end surface of the pressing ring is in contact with the upper surface of the filter screen.

[0008] Further, the bottom end of the compression spring is provided with a damping pad, and the bottom of the damping pad is connected with the upper surface of the placing ring.

[0009] Further, the top end of the stand pipe is provided with a collecting piece comprising a top cover and five collecting tubes, the top cover is provided with five threaded through holes, the collecting tubes are provided with external threads on the outer surface of one end, the external threads are matched with the threaded through holes, and the collecting tubes are provided with collecting hoppers at the end away from the external threads.

[0010] Further, the bottom of the top cover is provided with a circular groove in communication with the inside of the stand pipe, the threaded through holes are in communication with the circular groove, and the five collecting tubes are in communication with the inside of the stand pipe.

[0011] Further, the smoke detector body is provided with an operation panel, a PC communication slot and a printer output slot.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model discloses a structure design of stand pipe, bottom pipe and supporting piece, the card block is separated from the card slot completely, the stand pipe is removed from the bottom pipe, the limitation of the filter screen is removed, the filter screen is disassembled, the filter screen is conveniently disassembled, the disassembly time is shortened, the operation difficulty is reduced, and the maintenance efficiency of the filter screen is improved greatly.

[0014] 2. The utility model discloses a structure design of collecting piece, air sample enters the stand pipe through five collecting tubes, and multiple point air collection of monitoring environment is realized, air of multiple points is sampled efficiently, air sampling of different directions is satisfied, air sample collection is enriched, the representativeness of air sample is guaranteed, and the precision of detection data is improved.

[0015] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0016] Figure 1 It is a structural schematic view of the smoke detector.

[0017] Figure 2 It is an installation structure schematic view of the sampling assembly.

[0018] Figure 3 It is a structural schematic view of the supporting piece.

[0019] Figure 4 It is a structural schematic view of the bottom pipe.

[0020] Figure 5 It is a schematic view of the assembly structure of the multi-point sampling assembly.

[0021] In the figure: 1, the smoke detector body; 2, the sampling assembly; 3, the vertical pipe; 301, the guide groove; 302, the clamping groove; 303, the compression ring; 4, the bottom pipe; 401, the clamping block; 402, the placement ring; 5, the supporting piece; 501, the supporting ring; 502, the compression spring; 503, the annular groove; 6, the filter screen; 7, the sampling piece; 701, the top cover; 702, the threaded through hole; 703, the sampling pipe; 704, the external thread; 705, the collection hopper. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely 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. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-5 The present application provides a technical solution: a multi-point sampling smoke detector, which comprises a smoke detector body 1 and a sampling assembly 2. The smoke detector body 1 is provided with an operation panel, a PC communication slot and a printer output slot, and can be operated and used. The sampling assembly 2 comprises a vertical pipe 3 and a bottom pipe 4. The bottom outer surface of the vertical pipe 3 cooperates with the inner wall of the bottom pipe 4, facilitating the installation of the vertical pipe 3. The bottom outer surface of the vertical pipe 3 is provided with two guide grooves 301, and the guide grooves 301 are provided with clamping grooves 302.

[0024] The bottom pipe 4 is arranged through the smoke detector body 1, and the bottom pipe 4 is in communication with the inside of the smoke detector body 1, so as to ensure that the air sample is delivered into the smoke detector body 1. The inner wall of the bottom pipe 4 is provided with two clamping blocks 401, which cooperate with the guide grooves 301 and are clamped with the clamping grooves 302. The inner wall of the bottom pipe 4 is provided with a placement ring 402, and the placement ring 402 is provided with a supporting piece 5.

[0025] The supporting piece 5 comprises a supporting ring 501, the outer ring surface of the supporting ring 501 is matched with the inner wall of the bottom pipe 4, the supporting ring 501 can slide up and down on the inner wall of the bottom pipe 4, the bottom of the supporting ring 501 is provided with compression springs 502, the number of the compression springs 502 is six, the bottom end of the compression spring 502 is provided with a damping pad, the bottom of the damping pad is connected with the upper surface of the placing ring 402, the damping pad can ensure that the compression spring 502 is stably contracted and rebounded, the top of the supporting ring 501 is provided with an annular groove 503, the annular groove 503 is provided with a filter screen 6, the bottom end of the stand pipe 3 is in contact with the surface of the filter screen 6, the bottom end of the stand pipe 3 is provided with a pressing ring 303, the pressing ring 303 is matched with the annular groove 503, the bottom end surface of the pressing ring 303 is in contact with the upper surface of the filter screen 6, the filter screen 6 can be conveniently pressed and fixed, and the filtering effect of the filter screen 6 is ensured.

[0026] The top end of the stand pipe 3 is provided with a collecting piece 7, the collecting piece 7 comprises a top cover 701 and collecting pipes 703, the top cover 701 is provided with five threaded holes 702, the number of the collecting pipes 703 is five, one end of the outer surface of the collecting pipe 703 is provided with an external thread 704, the external thread 704 is matched with the threaded hole 702, the end of the collecting pipe 703 away from the external thread 704 is provided with a collecting hopper 705, air can enter the collecting pipe 703, the bottom of the top cover 701 is provided with a circular groove, the circular groove is communicated with the inside of the stand pipe 3, the threaded hole 702 is communicated with the circular groove, and the five collecting pipes 703 are communicated with the inside of the stand pipe 3, so that the air sample can be quickly transported into the smoke dust detector body 1.

[0027] During the air detection process of the smoke dust detector body 1, when air collection is required at multiple points, five collecting pipes 703 are taken out, the one end of the collecting pipe 703 is screwed into the corresponding threaded hole 702 through the external thread 704 on the one end surface of the collecting pipe 703, so that the five collecting pipes 703 are installed on the top cover 701, after the smoke dust detector body 1 is operated, the air sample enters the collecting pipe 703 through the collecting hopper 705 at the front end of the five collecting pipes 703, then enters the stand pipe 3 through the top cover 701, and after being filtered by the filter screen 6 in the bottom pipe 4, the air sample enters the smoke dust detector body 1 and is detected by the sensor in the smoke dust detector body 1, so that multi-point air collection of the monitored environment is realized.

[0028] When the filter screen 6 needs to be disassembled and cleaned due to the attachment of more impurities on the filter screen 6 after the smoke detector body 1 is used for a long time, the vertical pipe 3 is rotated clockwise, so that the two clamping blocks 401 in the bottom pipe 4 are separated from the two clamping grooves 302 of the vertical pipe 3, and after the clamping blocks 401 and the clamping grooves 302 are completely separated, at this time, the two clamping blocks 401 enter the corresponding guide grooves 301, the resilience generated by the compression of the six compression springs 502 at the bottom of the supporting ring 501 of the supporting piece 5 makes the two clamping blocks 401 move upwards in the corresponding guide grooves 301 respectively, then the vertical pipe 3 is pulled vertically upwards, so that the pressing ring 303 at the bottom end of the vertical pipe 3 is separated from the filter screen 6 in the annular groove 503, the resilience of the six compression springs 502 pushes the supporting ring 501 to move upwards in the bottom pipe 4, after the vertical pipe 3 is removed from the bottom pipe 4, the filter screen 6 in the annular groove 503 is taken out, the disassembly of the filter screen 6 is realized, and the installation of the filter screen 6 can be realized by repeating the above operation in the reverse order.

[0029] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Apparently, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A multi-point collected soot detector, comprising a soot detector body (1), characterized in that: a sampling assembly (2) is further included, the sampling assembly (2) comprises a vertical pipe (3) and a bottom pipe (4), a guide groove (301) is formed on the bottom outer surface of the vertical pipe (3), the number of the guide grooves (301) is two, and a clamping groove (302) is formed in the guide groove (301); the bottom pipe (4) is arranged through the soot detector body (1), a clamping block (401) is arranged on the inner wall of the bottom pipe (4), the number of the clamping blocks (401) is two, the clamping blocks (401) are matched with the guide grooves (301), the clamping blocks (401) are clamped with the clamping grooves (302), a placing ring (402) is arranged on the inner wall of the bottom pipe (4), and a supporting piece (5) is arranged on the placing ring (402); the supporting piece (5) comprises a supporting ring (501), a compression spring (502) is arranged at the bottom of the supporting ring (501), the number of the compression springs (502) is six, an annular groove (503) is formed at the top of the supporting ring (501), a filter screen (6) is arranged in the annular groove (503), and the bottom end of the vertical pipe (3) is in contact with the surface of the filter screen (6). A compression ring (303) is arranged at the bottom end of the vertical pipe (3), the compression ring (303) is matched with the annular groove (503), and the bottom end surface of the compression ring (303) is in contact with the upper surface of the filter screen (6).

2. The smoke detector according to claim 1, wherein A damping pad is arranged at the bottom end of the compression spring (502), and the bottom of the damping pad is connected with the upper surface of the placing ring (402).

3. A multi-point collected soot detector according to claim 2, wherein, A collecting piece (7) is arranged at the top end of the vertical pipe (3), the collecting piece (7) comprises a top cover (701) and a collecting pipe (703), a threaded through hole (702) is formed in the top cover (701), the number of the threaded through holes (702) is five, the number of the collecting pipes (703) is five, an external thread (704) is formed on the outer surface of one end of the collecting pipe (703), the external thread (704) is matched with the threaded through hole (702), and a collecting hopper (705) is arranged at the end of the collecting pipe (703) away from the external thread (704).

4. The smoke detector according to any one of claims 1 to 3, wherein A circular groove is formed at the bottom of the top cover (701), the circular groove is in communication with the inside of the vertical pipe (3), the threaded through holes (702) are in communication with the circular groove, and the five collecting pipes (703) are all in communication with the inside of the vertical pipe (3).

5. A multi-point collected soot detector according to claim 4, wherein, An operation panel, a PC communication slot and a printer output slot are arranged on the soot detector body (1).

6. The multi-point collected soot detector of claim 1, wherein, ​

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