Handheld flue gas analyzer

Abstract

The utility model discloses a handheld flue gas analyzer, which belongs to the technical field of flue gas detection equipment and comprises a handheld flue gas analyzer main body, a flue gas sensing probe is fixed at the end part of the handheld flue gas analyzer main body, a protective sleeve is fixed at the end part of the handheld flue gas analyzer main body, and a through hole b is formed in the side surface of the protective sleeve. A through hole c is formed in the side wall of one end, far away from the handheld flue gas analyzer main body, of the protective sleeve, a screw cap assembly is arranged outside the protective sleeve, and a cleaning assembly is arranged inside the protective sleeve; according to the utility model, the through hole b and the through hole c are sealed through the screw cap assembly, so that the protective sleeve is completely sealed, the flue gas sensing probe is completely protected, and the surface of the flue gas sensing probe is effectively brushed and cleaned and impurities on the surface of the flue gas sensing probe are removed through the cleaning assembly by rotating the screw cap assembly; and the smoke sensing probe is ensured to have relatively high detection precision.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas detection equipment technical field especially is hand -held flue gas analyzer. BACKGROUND

[0002] Flue gas analyzer is the equipment that utilizes electrochemical sensor continuous analysis measurement CO2, CO, NOx, SO2 and so on flue gas content. It is mainly used in small -size fuel, gas boiler pollution emission or the environmental monitoring of pollution source nearby. The existing hand -held flue gas analyzer, including flue gas analyzer main part, detection head, display screen and control panel, through hand -held flue gas analyzer is detected at pollution emission place or pollution source nearby.

[0003] Such as Chinese patent publication No. CN217846255U, discloses a hand -held flue gas analyzer, including flue gas analysis equipment, the flue gas analysis equipment one side wall is symmetrically arranged with two flue gas response probe, the flue gas response probe outside sliding sleeve is connected with the anti -collision protective sleeve, the flue gas analysis equipment bottom wall one side is symmetrically fixedly connected with two connecting plates, the connecting plate bottom wall is fixedly connected with the placement base, the flue gas analysis equipment top wall is symmetrically fixedly connected with two handles. The utility model discloses a good hand -held and placement structure design are adopted as a whole, namely setting up two handles and two placement bases, two placement bases are provided with reinforcing block, and its convenient reliability is better.

[0004] The above -mentioned application has the following problems: the response probe is covered and protected by the protective sleeve in the above -mentioned application, but when not in use, impurities in the external environment can enter the surface of the flue gas response probe through the air guide hole, thereby affecting the detection sensitivity of the flue gas response probe, the protection effect is insufficient, and the protective sleeve makes it difficult to clean the flue gas response probe, and cleaning is inconvenient.

[0005] Therefore, it is necessary to provide a hand -held flue gas analyzer to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a hand -held flue gas analyzer to solve the problems in the above background.

[0007] In order to achieve the above object, the utility model discloses the following technical solutions to solve the above technical problems: A handheld flue gas analyzer, including handheld flue gas analyzer main part, the end of handheld flue gas analyzer main part is fixed with flue gas response probe, the end of handheld flue gas analyzer main part is fixed with the protective sleeve that is covered in the outside of flue gas response probe, the lateral surface of protective sleeve is opened with the mouth b, the lateral wall of the one end of protective sleeve is opened with the mouth c away from handheld flue gas analyzer main part, the outside of protective sleeve is provided with the screw cap subassembly that is opened and closed to mouth b and mouth c, the inside of protective sleeve is provided with the cleaning subassembly that is cleaned to flue gas response probe.

[0008] As a further scheme of the utility model, the screw cap subassembly includes the end head board that is rotatably connected with the lateral wall of the one end of protective sleeve away from handheld flue gas analyzer main part, the arc plate that is fixed with the lateral wall of protective sleeve is slidably attached on the end head board, and the mouth b is closed through the arc plate.

[0009] As a further scheme of the utility model, the lateral surface of end head board is opened with the mouth a corresponding to mouth c.

[0010] As a further scheme of the utility model, the center lateral surface of end head board is fixed with the shaft rod, the lateral wall of protective sleeve is rotatably connected with the shaft rod, and the rubber sleeve b is fixedly attached on the lateral surface of shaft rod.

[0011] As a further scheme of the utility model, the one end of shaft rod inside protective sleeve is fixed with the connecting rod, the brush rod along the length direction of flue gas response probe is fixed on the one end of connecting rod away from shaft rod, and the bristle that contacts with the lateral surface of flue gas response probe is fixed on the lateral surface of brush rod.

[0012] As a further scheme of the utility model, the lateral wall of the one end of protective sleeve away from handheld flue gas analyzer main part is fixedly attached with the rubber sleeve a, and the outer surface of rubber sleeve a is provided with a plurality of annularly distributed convex ribs.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. When not using the handheld flue gas analyzer, the mouth b and the mouth c are closed through the rotation of the screw cap subassembly, so that the protective sleeve is completely closed, the flue gas response probe is completely protected when not using the handheld flue gas analyzer main part, the impurities in the external environment are prevented from entering the protective sleeve and polluting the flue gas response probe, the sensitivity of the flue gas response probe is improved, and the service life of the flue gas response probe is effectively prolonged.

[0015] 2. By rotating the rotating cap assembly, the rotating cap assembly drives the cleaning assembly to move in a circular motion around the flue gas sensing probe, thereby effectively brushing the surface of the flue gas sensing probe by the cleaning assembly to remove impurities on the surface of the flue gas sensing probe, convenient cleaning, high cleaning efficiency, ensuring that the flue gas sensing probe always has good smoothness, and ensuring that the flue gas sensing probe has high detection accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described below in combination with the drawings and examples:

[0017] Figure 1 It is the overall structure perspective drawing of the utility model;

[0018] Figure 2 It is the rotating cap assembly local structure schematic of the utility model Figure 1 ;

[0019] Figure 3 It is the protective sleeve internal structure schematic of the utility model;

[0020] Figure 4 It is the pass b local structure schematic of the utility model;

[0021] Figure 5 It is the rotating cap assembly local structure schematic of the utility model Figure 2 .

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] 1, rotating cap assembly;101, arc plate;102, end plate;103, pass a;104, rubber sleeve a;105, convex rib;106, rubber sleeve b;107, shaft;2, cleaning assembly;201, connecting rod;202, brush rod;203, brush;3, hand-held flue gas analyzer main body;4, protective sleeve;5, flue gas sensing probe;6, pass b;7, pass c. DETAILED DESCRIPTION

[0024] The utility model will be further described below in combination with the drawings and examples:

[0025] Please refer to Figures 1-5The utility model provides a kind of handheld flue gas analyzer, including handheld flue gas analyzer main body 3, the end of handheld flue gas analyzer main body 3 is fixed with flue gas response probe 5, the end of handheld flue gas analyzer main body 3 is fixed with the protective sleeve 4 of being sleeved in the outside of flue gas response probe 5, through opening b6 is established on the side of protective sleeve 4, through opening c7 is established on the side wall of one end of protective sleeve 4 away from handheld flue gas analyzer main body 3, the outside of protective sleeve 4 is provided with the screw cap assembly 1 of being opened and closed to through opening b6 and through opening c7, the inside of protective sleeve 4 is provided with the cleaning assembly 2 for cleaning flue gas response probe 5;When the handheld use of overall handheld flue gas analyzer, the flue gas response probe 5 for being set is protected, flue gas response probe 5 on handheld flue gas analyzer main body 3 is not easy to cause knock damage, effectively provide the protective property of flue gas response probe 5, the flue gas in external environment is entered into the inside of protective sleeve 4 through through opening b6 and through opening c7 and is contacted with flue gas response probe 5 and detects, when not using handheld flue gas analyzer, by rotating screw cap assembly 1, through opening b6 and through opening c7 are closed by screw cap assembly 1, to completely close protective sleeve 4, so that when not using handheld flue gas analyzer main body 3, flue gas response probe 5 is completely protected, avoid the impurity in external environment into protective sleeve 4 and cause pollution to flue gas response probe 5, improve the sensitivity of flue gas response probe 5, effectively prolong the service life of flue gas response probe 5;When using handheld flue gas analyzer main body 3, since through opening b6 and through opening c7 are in open state, the impurity in external environment and solid particle in flue gas are easily adhered on the surface of flue gas response probe 5, by rotating screw cap assembly 1, screw cap assembly 1 drives cleaning assembly 2 to carry out circumferential motion around flue gas response probe 5, to effectively brush cleaning on the surface of flue gas response probe 5 by cleaning assembly 2, remove the impurity on the surface of flue gas response probe 5, clean conveniently, cleaning efficiency is high, ensure that flue gas response probe 5 always has good smoothness, ensure that flue gas response probe 5 has higher detection precision.

[0026] Further as Figure 1 、 Figure 2 and Figure 3As shown, it is worth noting that the cap assembly 1 includes a head plate 102 rotatably connected to the side wall of the protective sleeve 4 away from the handheld flue gas analyzer body 3, and the arc-shaped plate 101 is fixed on the head plate 102 and slides with the outer side wall of the protective sleeve 4. The arc-shaped plate 101 closes the through hole b6, and the side of the head plate 102 is provided with a through hole a103 corresponding to the through hole c7; in use, the arc-shaped plate 101 and the through hole b6 are misaligned, the through hole a103 and the through hole c7 are coincident, and the through hole b6 and the through hole c7 are in an open state. When the handheld flue gas analyzer is not in use, the head plate 102 is rotated by a certain angle, the arc-shaped plate 101 is driven by the head plate 102 to cover and close the through hole b6, and the through hole c7 is closed by the solid side wall of the head plate 102, so that the protective sleeve 4 is completely closed, thereby completely protecting the flue gas sensing probe 5 when the handheld flue gas analyzer body 3 is not in use, avoiding impurities in the external environment from entering the protective sleeve 4 to pollute the flue gas sensing probe 5, improving the sensitivity of the flue gas sensing probe 5, and effectively prolonging the service life of the flue gas sensing probe 5.

[0027] Further as shown in Figure 3 and Figure 5 , it is worth noting that the shaft 107 is fixed on one end inside the protective sleeve 4. The connecting rod 201 is fixed on the end of the connecting rod 201 away from the shaft 107. The brush rod 202 is arranged along the length direction of the flue gas sensing probe 5. The brush 203 is fixed on the side of the brush rod 202 and contacts the side of the flue gas sensing probe 5. When the handheld flue gas analyzer body 3 is in use, impurities in the external environment and solid particles in the flue gas are easily adhered to the surface of the flue gas sensing probe 5 because the through hole b6 and the through hole c7 are in an open state. By continuously rotating the head plate 102, the shaft 107 drives the connecting rod 201 and the brush rod 202 to synchronously rotate around the flue gas sensing probe 5, so that the brush 203 on the brush rod 202 effectively brushes the surface of the flue gas sensing probe 5, removes the impurities on the surface of the flue gas sensing probe 5, and is convenient and efficient. Clean, ensure that the flue gas sensing probe 5 always has good smoothness, and ensure that the flue gas sensing probe 5 has high detection accuracy.

[0028] The scheme has the following working process: when the handheld overall smoke analyzer is used, the smoke in the external environment enters the inside of the protective sleeve 4 through the through port b6 and the through port c7 and contacts the smoke sensing probe 5 for detection, when the handheld smoke analyzer is not used, the end plate 102 is rotated by a certain angle, the arc plate 101 is driven by the end plate 102 to cover and close the through port b6, the through port c7 is closed by the solid side wall of the end plate 102, so that the smoke sensing probe 5 is completely closed and protected, when the handheld smoke analyzer main body 3 is used, because the through port b6 and the through port c7 are in an open state, impurities in the external environment and solid particles in the smoke are easily adhered to the surface of the smoke sensing probe 5, by continuously rotating the end plate 102, the shaft 107 drives the connecting rod 201 and the brush rod 202 to rotate around the smoke sensing probe 5, so that the surface of the smoke sensing probe 5 is effectively brushed by the bristles 203 on the brush rod 202, and the impurities on the surface of the smoke sensing probe 5 are removed.

[0029] Further as shown in Figure 3 and Figure 5 , it is worth noting that the center side of the end plate 102 is fixed with a shaft 107, the shaft 107 is rotatably connected with the end side wall of the protective sleeve 4, and the side surface of the shaft 107 is fixedly attached with a rubber sleeve b106; in specific work, the rubber sleeve b106 is arranged to make the rotation of the end plate 102 have a certain damping, so that the position of the end plate 102 and the arc plate 101 after rotation has a certain self-locking property.

[0030] Further as shown in Figure 2 , Figure 3 and Figure 5 , it is worth noting that the outer side wall of the end of the protective sleeve 4 away from the handheld smoke analyzer main body 3 is fixedly attached with a rubber sleeve a104, and the outer surface of the rubber sleeve a104 is provided with a plurality of annularly distributed convex ribs 105; in specific work, the rubber sleeve a104 and the plurality of convex ribs 105 are arranged to improve the friction when the end plate 102 is rotated, facilitating the rotation of the end plate 102.

[0031] In summary: when the handheld flue gas analyzer is not used, the protective sleeve 4 is completely closed by rotating the rotary cap assembly 1 to close the through hole b6 and the through hole c7 with the rotary cap assembly 1, so as to completely protect the flue gas sensing probe 5 when the handheld flue gas analyzer main body 3 is not used, avoid impurities in the external environment from entering the protective sleeve 4 to pollute the flue gas sensing probe 5, improve the sensitivity of the flue gas sensing probe 5, and effectively prolong the service life of the flue gas sensing probe 5; when the handheld flue gas analyzer main body 3 is used, since the through hole b6 and the through hole c7 are in an open state, impurities in the external environment and solid particles in the flue gas are easily adhered to the surface of the flue gas sensing probe 5, by rotating the rotary cap assembly 1, the cleaning assembly 2 is driven by the rotary cap assembly 1 to move circumferentially around the flue gas sensing probe 5, so as to effectively clean the surface of the flue gas sensing probe 5 by the cleaning assembly 2, remove the impurities on the surface of the flue gas sensing probe 5, clean conveniently, high cleaning efficiency, ensure that the flue gas sensing probe 5 always has good smoothness, and ensure that the flue gas sensing probe 5 has high detection accuracy.

Claims

1. A hand-held flue gas analyzer comprising a hand-held flue gas analyzer body, characterized in that, The end of the handheld flue gas analyzer body is fixed with a flue gas sensing probe, the end of the handheld flue gas analyzer body is fixed with a protective sleeve sleeved outside the flue gas sensing probe, a through opening b is formed in the side of the protective sleeve, a through opening c is formed in the side wall of the end of the protective sleeve away from the handheld flue gas analyzer body, a rotating cover assembly for opening and closing the through openings b and c is arranged outside the protective sleeve, and a cleaning assembly for cleaning the flue gas sensing probe is arranged inside the protective sleeve.

2. The hand-held flue gas analyzer of claim 1, wherein, The rotating cover assembly comprises an end head plate rotationally connected with the side wall of the end of the protective sleeve away from the handheld flue gas analyzer body, and an arc-shaped plate slidingly attached to the outer side wall of the protective sleeve is fixed on the end head plate, and the through opening b is closed by the arc-shaped plate.

3. The hand-held flue gas analyzer of claim 2, wherein, A through opening a corresponding to the through opening c is formed in the side of the end head plate.

4. The hand-held flue gas analyzer of claim 3, wherein, An axle is fixed on the center side of the end head plate, the axle is rotationally connected with the end side wall of the protective sleeve, and a rubber sleeve b is fixed on the side of the axle.

5. The hand-held flue gas analyzer of claim 4, wherein, A connecting rod is fixed on one end of the axle inside the protective sleeve, a brush rod arranged along the length direction of the flue gas sensing probe is fixed on the end of the connecting rod away from the axle, and bristles in contact with the side of the flue gas sensing probe are fixed on the side of the brush rod.

6. The hand-held flue gas analyzer of claim 2, wherein, A rubber sleeve a is fixed on the outer side wall of the end of the protective sleeve away from the handheld flue gas analyzer body, and a plurality of annularly distributed convex ribs are arranged on the outer surface of the rubber sleeve a.

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