CN210166190U

CN210166190U - Sampling device of smoke detector

Info

Publication number: CN210166190U
Application number: CN201920844456.4U
Authority: CN
Inventors: 朱晓君
Original assignee: Guangzhou Excellence Electromechanical Technology Co Ltd
Current assignee: Guangzhou Excellence Electromechanical Technology Co Ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-03-20
Anticipated expiration: 2029-06-05

Abstract

The utility model relates to a sampling device of flue gas detector, including sampling tube, rotator, runing rest, the runing rest is installed on the lateral wall of flue, the rotator rotates and installs in the runing rest, radially be provided with the piston hole who link up along it in the rotator, the sampling tube cover is in the piston hole to piston hole axial displacement can be followed to the sampling tube. The utility model has the advantages that: the direction of the sampling tube is adjusted by rotating the rotating body, and the length of the sampling tube extending into the flue is adjusted by moving the sampling tube along the axial direction of the piston hole, so that multipoint sampling is performed in the flue according to a grid sampling method.

Description

Sampling device of smoke detector

Technical Field

The utility model relates to a flue gas check out test set field especially relates to a sampling device of flue gas detector.

Background

The flue gas detection is equipment for analyzing and measuring the content of flue gas such as CO2, CO, NOx, SO2 and the like in the flue gas.

When flue gas sampling is carried out to the flue that the cross section is big, generally adopt the net sampling method to carry out the multiple spot sampling, but current sampling device can only be along the radial removal of flue in the flue, and the sampling point is on a straight line, can't realize carrying out the multiple spot sampling according to the net sampling method.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above problem that prior art exists, provide a sampling device of flue gas detector.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the utility model provides a sampling device of flue gas detector, includes sampling tube, rotator, runing rest installs on the lateral wall of flue, the rotator rotates and installs in the runing rest, be provided with the piston hole who link up along its radial in the rotator, the sampling tube cover is in the piston hole to piston hole axial displacement can be followed to the sampling tube.

Furthermore, the rotating body comprises a cylindrical rotating drum, and the top center and the bottom center of the rotating drum are fixedly connected with a rotating shaft respectively; the rotary support comprises two end plates which are opposite from top to bottom and two lateral plates which are symmetrical from left to right, the two end plates are respectively installed at the upper end and the lower end of the two lateral plates through screws, the rotary drum is located in an installation cavity which is formed by the two end plates and the two lateral plates in a surrounding mode, a bearing installation hole is formed in the center of one side, opposite to the two end plates, of the two end plates, a bearing is installed in the bearing installation hole, and the rotary shaft is assembled in an inner ring of the.

Furthermore, a first scale for marking the rotation angle of the rotating drum is marked on the outer side surface of the rotating drum, and a pointer is arranged on the outer side of the end plate.

Furthermore, the outer side of the end plate is provided with a mounting plate perpendicular to the end plate, and the mounting plate is provided with a mounting hole.

Furthermore, one end of the sampling tube is provided with a first screwed part with external threads, and the other end of the sampling tube is provided with a second screwed part with internal threads.

Furthermore, a filter is screwed on the first screwing part of the sampling tube.

Furthermore, the spiro union has handheld pipe in the second spiro union portion of sampling tube, and the one end that the sampling tube was kept away from to handheld pipe is the pipeline interface.

Furthermore, the handheld pipe is sleeved with a heat insulation layer and an anti-skid rubber sleeve, and the anti-skid rubber sleeve is wrapped outside the heat insulation layer.

Furthermore, a second scale marking the length of the sampling tube is marked on the sampling tube.

The utility model has the advantages that: the direction of the sampling tube is adjusted by rotating the rotating body, and the length of the sampling tube extending into the flue is adjusted by moving the sampling tube along the axial direction of the piston hole, so that multipoint sampling is performed in the flue according to a grid sampling method.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

FIG. 2 is a schematic structural view of a sampling tube in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a rotating body in an embodiment of the present invention;

fig. 4 is a schematic structural view of a rotating bracket according to an embodiment of the present invention;

fig. 5 is an exploded view of a swivel stand in an embodiment of the invention;

FIG. 6 is a diagram showing the connection relationship between the hand-held tube, the heat insulating layer and the anti-slip rubber cover according to the embodiment of the present invention;

fig. 7 is a schematic overall structure diagram of a first embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1 to 6, in a first embodiment, a sampling device of a flue gas detector includes a sampling tube 1, a rotating body 2, and a rotating bracket 3, where the rotating bracket 3 is installed on a side wall of a flue, the rotating body 2 is rotatably installed in the rotating bracket 3, a through piston hole 22 is provided in the rotating body 2 along a radial direction thereof, the sampling tube 1 is sleeved in the piston hole 22, and the sampling tube 1 can move axially along the piston hole 22.

The direction of the sampling tube 1 is adjusted by rotating the rotating body 2, and the length of the sampling tube 1 extending into the flue is adjusted by moving the sampling tube along the axial direction of the piston hole 22, so that multi-point sampling in the flue is realized according to a grid sampling method. During actual sampling, the rotating direction and the rotating angle of the rotating body 2 and the length of the sampling tube 1 extending into the flue during each sampling are calculated according to the cross sectional area of the flue and the number of sampling points.

The rotating body 2 comprises a cylindrical rotating drum 21, and the top center and the bottom center of the rotating drum 21 are respectively fixedly connected with a rotating shaft 23; the rotating support 3 comprises two end plates 31 which are opposite up and down and two lateral plates 35 which are symmetrical left and right, the two end plates 31 are respectively arranged at the upper end and the lower end of the two lateral plates 35 through screws 36, the rotary drum 21 is positioned in an installation cavity which is enclosed by the two end plates 31 and the two lateral plates 35 together, a bearing installation hole 37 is formed in the center of one side, opposite to the two end plates 31, of the bearing installation hole 37, a bearing 6 is installed in the bearing installation hole 37, and the rotating shaft 23 is assembled in an inner ring of the bearing.

The outer side surface of the rotating drum 21 is marked with a first scale 24 for indicating the rotating angle of the rotating drum 21, and the outer side of the end plate 31 is provided with a pointer 34.

The outer side of the end plate 31 is provided with a mounting plate 32 perpendicular to the end plate 31, and the mounting plate 32 is provided with a mounting hole 33 for mounting and fixing the rotating bracket 3 on the side wall of the flue through a bolt.

One end of the sampling tube 1 is provided with a first screw part 11 having an external thread, and the other end of the sampling tube 1 is provided with a second screw part 12 having an internal thread. The second screw-connection part 12 of the sampling tube 1 is screwed with the hand-held tube 5, one end of the hand-held tube 5 far away from the sampling tube is a pipeline interface 51, and the pipeline interface 51 is communicated with the air suction port of the smoke detector by a metal hose or a heat tracing pipe. The handheld pipe 5 is sleeved with a heat insulation layer 7 and an anti-skid rubber sleeve 8, and the anti-skid rubber sleeve 8 is wrapped outside the heat insulation layer 7.

The sampling tube 1 is marked with a second scale 13 for marking the length of the sampling tube, and the division value of the second scale 13 is 1 cm.

The second embodiment shown in fig. 2 to 7 is different from the first embodiment in that: the filter 4 is screwed to the first screw-connection portion 11 of the sampling tube 1.

When the cross section of the flue is very large, two or more sampling tubes 1 can be connected in series in sequence for sampling, and specifically, the first screw joint part 11 of one sampling tube 1 is in screw joint with the second screw joint part 12 of another sampling tube 1 positioned in front of the sampling tube.

When the rotating bracket is installed, the seam between the rotating bracket and the side wall of the flue is sealed by sealant or sealing filler.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a sampling device of flue gas detector which characterized in that: including sampling tube, rotator, runing rest installs on the lateral wall of flue, the rotator rotates and installs in the runing rest, be provided with the piston hole that link up along its radial in the rotator, the sampling tube cover is in the piston hole to the sampling tube can be followed piston hole axial displacement.

2. The sampling device of the smoke detector according to claim 1, wherein: the rotating body comprises a cylindrical rotating drum, and the top center and the bottom center of the rotating drum are respectively fixedly connected with a rotating shaft; the rotary support comprises two end plates which are opposite from top to bottom and two lateral plates which are symmetrical from left to right, the two end plates are respectively installed at the upper end and the lower end of the two lateral plates through screws, the rotary drum is located in an installation cavity which is formed by the two end plates and the two lateral plates in a surrounding mode, a bearing installation hole is formed in the center of one side, opposite to the two end plates, of the two end plates, a bearing is installed in the bearing installation hole, and the rotary shaft is assembled in an inner ring of the.

3. The sampling device of the smoke detector according to claim 2, wherein: the outer side surface of the rotating cylinder is marked with a first scale for marking the rotating angle of the rotating cylinder, and the outer side of the end plate is provided with a pointer.

4. The sampling device of the smoke detector according to claim 2, wherein: the outside of end plate is provided with the mounting panel perpendicular with the end plate, has seted up the mounting hole on the mounting panel.

5. The sampling device of the smoke detector according to claim 1, wherein: one end of the sampling tube is provided with a first screwed part with external threads, and the other end of the sampling tube is provided with a second screwed part with internal threads.

6. The sampling device of the smoke detector according to claim 5, wherein: the filter is screwed on the first screwing part of the sampling tube.

7. The sampling device of the smoke detector according to claim 5, wherein: the spiro union has handheld pipe in the second spiro union portion of sampling tube, and the one end that the sampling tube was kept away from to handheld pipe is the pipeline interface.

8. The sampling device of the smoke detector according to claim 7, wherein: the handheld pipe is sleeved with a heat insulation layer and an anti-slip rubber sleeve, and the anti-slip rubber sleeve is wrapped outside the heat insulation layer.

9. The sampling device of the smoke detector according to claim 1, wherein: and a second scale marking the length of the sampling tube is marked on the sampling tube.