Flue gas analyzer for fire fighting

Abstract

The utility model relates to the technical field of fire-fighting instruments, and discloses a fire-fighting flue gas analyzer which comprises an instrument box and a detection gun, a box cover is installed on one side of the instrument box in a hinged and matched mode, a control panel and an interface are arranged on the top of the instrument box, and a connecting line is connected between the detection gun and the interface. And a protection mechanism for protecting the connecting wire is also arranged between the instrument box and the connecting wire. According to the utility model, through the arrangement of the wire clamping assembly, when the device is used, the connecting plate is pulled to enable the sliding block to slide upwards, then the connecting wire passes through the mounting groove and is inserted in the interface, the clamping block and the clamping groove are correspondingly embedded, the connecting plate is loosened, and the sliding block presses and limits the clamping block under the elastic action of the first spring, so that the connecting wire is protected; the connecting line is prevented from falling off or being damaged due to dragging in the detection process, and the stability of the detection process is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire-fighting instruments, and in particular relates to a smoke analyzer for fire-fighting. Background Art

[0002] Flue gas analyzer is a device that uses electrochemical sensors to continuously analyze and measure the flue gas content of CO2, CO, NOx, SO2, etc. It is mainly used for handheld use in small fuel and gas boiler pollution emissions or environmental monitoring near pollution sources. According to the use method, it can be divided into handheld flue gas analyzers and fixed-line recording flue gas analyzers, which can analyze and detect O2, CO, CO2, NO, NO2, NOx, SO2, CXHY, smoke, exhaust temperature, flue pressure, combustion efficiency and excess air coefficient, etc. Optional differential pressure, flow rate. Optional total emission, etc. After adding sensors, flue gas components such as H2S, H2, HCL, NH3, HC, etc. can be detected.

[0003] When an existing flue gas analyzer is in use, the flue gas probe used for detection is generally connected to the instrument via a connecting wire. However, the length of the connecting wire is limited and the on-site working environment is often complex. As a result, the connecting wire may be frequently dragged during the detection process, causing the connecting wire to become loose or damaged, thereby affecting the detection stability.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:

[0006] A smoke analyzer for fire fighting, comprising an instrument box and a detection gun, wherein a box cover is hingedly mounted on one side of the instrument box, a control panel and an interface are arranged on the top of the instrument box, a connecting wire is connected between the detection gun and the interface, and a protective mechanism for protecting the connecting wire is also arranged between the instrument box and the connecting wire;

[0007] The protection mechanism includes a clamping block and a wire clamping assembly. The clamping block is fixedly installed outside the circumference of the connecting wire, the wire clamping assembly is fixedly installed on the top of the instrument box, and a supporting assembly for height adjustment is also arranged at the bottom of the instrument box.

[0008] As a preferred embodiment of the utility model, the wire clamping assembly includes a rectangular seat, which is fixedly installed on the top of the instrument box, and an installation groove is provided between the two sides of the rectangular seat, and a slider is vertically slidably installed between the inner walls of the installation groove, and two through holes are symmetrically provided between the inner and outer walls of the top of the rectangular seat, and connecting rods are slidably installed through the inner walls of the two through holes, a connecting plate is fixedly connected between one end of the top of the two connecting rods, one end of the bottom of the two connecting rods is fixedly connected to the top of the slider, and a spring is provided on the outer side of the circumference of the two connecting rods between the inner wall of the top of the rectangular seat and the top of the slider.

[0009] As a preferred embodiment of the present utility model, a clamping groove is arranged on the inner wall of the bottom of the rectangular seat opposite to the bottom of the sliding block, and the clamping groove is engaged with the clamping block.

[0010] As a preferred embodiment of the utility model, retractable grooves are provided at the four corner positions of the bottom of the instrument box, and the supporting assembly includes four telescopic legs, which are respectively slidably installed in the four retractable grooves, and a limiting mechanism for height adjustment is also provided between the telescopic legs and the instrument box.

[0011] As a preferred embodiment of the utility model, pulleys are arranged at the bottom of the four telescopic legs.

[0012] As a preferred embodiment of the utility model, slide grooves are arranged between the four corner positions of the side wall of the instrument box and the corresponding storage grooves, and the limiting mechanism includes a limiting block and an adjustment component, and the limiting blocks are evenly spaced and fixedly connected to the outer wall of the instrument box on both sides of the slide groove.

[0013] As a preferred embodiment of the utility model, the adjustment assembly includes a cross bar, which passes through the slide groove and is fixedly connected to the top position of the outer side of the telescopic leg circle in a one-to-one manner, and an end plate is fixedly connected to one end of the outer side of the cross bar. A clamping sleeve is slidably installed on the outer side of the cross bar circle, and a spring 2 is arranged on the outer side of the cross bar circle between the clamping sleeve and the end plate, and the clamping sleeve cooperates with the limit block set arranged on both sides of the slide groove.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. Through the set wire clamping assembly, when the device is used, pull the connecting plate to make the slider slide up, then insert the connecting wire through the installation slot and insert it at the interface, then make the clamping block fit into the clamping slot accordingly and release the connecting plate. The slider presses the clamping block to limit the position under the elastic action of spring 1, thereby protecting the connecting wire and avoiding dragging of the connecting wire during the detection process, which may cause the connecting wire to fall off or be damaged, thereby ensuring the stability of the detection process.

[0016] 2. The arrangement of the telescopic legs and the pulley makes the device as a whole easy to carry, and the arrangement of the adjustment component makes the height adjustment of the telescopic legs easier and more accurate through the cooperation of the clamping sleeve and the limit block.

[0017] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In the attached picture:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 For the utility model Figure 1 Enlarged view of point A in the middle;

[0021] Figure 3 This is a schematic diagram of the bottom structure of the instrument box of the utility model;

[0022] Figure 4 This is a schematic diagram of the connecting line structure of the utility model;

[0023] Figure 5 This is a schematic cross-sectional view of the wire clamping assembly of the utility model;

[0024] Figure 6 This is a schematic diagram of the telescopic leg structure of the utility model;

[0025] Figure 7 It is a schematic cross-sectional structure diagram of the adjustment component of the utility model.

[0026] In the figure: 10, instrument box; 11, box cover; 12, control panel; 13, interface; 14, storage slot; 15, slide slot; 16, limit block; 20, wire clamping assembly; 21, rectangular seat; 22, mounting slot; 23, slide block; 24, connecting rod; 25, connecting plate; 26, spring one; 27, clamping slot; 30, detection gun; 31, connecting wire; 32, clamping block; 40, adjustment assembly; 41, cross bar; 42, end plate; 43, clamping sleeve; 44, spring two; 50, telescopic leg; 51, pulley. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0028] A smoke analyzer for fire fighting, such as Figure 1 and Figure 4As shown, it includes an instrument box 10 and a detection gun 30, a box cover 11 is hingedly mounted on one side of the instrument box 10, a control panel 12 and an interface 13 are arranged on the top of the instrument box 10, a connecting line 31 is connected between the detection gun 30 and the interface 13, and a protective mechanism for protecting the connecting line 31 is also arranged between the instrument box 10 and the connecting line 31;

[0029] like Figure 1 and Figure 4 As shown, the protective mechanism includes a clamping block 32 and a clamping wire assembly 20. The clamping block 32 is fixedly installed on the outer side of the circumference of the connecting wire 31, and the clamping wire assembly 20 is fixedly installed on the top of the instrument box 10. A supporting assembly for height adjustment is also provided at the bottom of the instrument box 10.

[0030] like Figure 5 As shown, the wire clamping assembly 20 includes a rectangular seat 21, which is fixedly installed on the top of the instrument box 10. A mounting groove 22 is provided between the two sides of the rectangular seat 21, and a slider 23 is vertically slidably installed between the inner walls of the mounting groove 22. Two through holes are symmetrically provided between the inner and outer walls of the top of the rectangular seat 21, and connecting rods 24 are slidably installed through the inner walls of the two through holes. A connecting plate 25 is fixedly connected between one end of the top of the two connecting rods 24, and one end of the bottom of the two connecting rods 24 is fixedly connected to the top of the slider 23, and a spring 26 is provided on the outer side of the circumference of the two connecting rods 24 between the inner wall of the top of the rectangular seat 21 and the top of the slider 23.

[0031] like Figure 4-5 As shown, a clamping groove 27 is provided on the inner wall of the bottom of the rectangular seat 21 and opposite to the bottom of the slider 23 , and the clamping groove 27 is engaged with the clamping block 32 .

[0032] Its function is that, through the set clamping wire assembly 20, when the device is used, the connecting plate 25 is pulled to make the slider 23 slide up, and then the connecting wire 31 is inserted into the interface 13 through the installation groove 22, and then the clamping block 32 is correspondingly engaged with the clamping groove 27 and the connecting plate 25 is released. The slider 23 presses the clamping block 32 to limit the position under the elastic action of the spring 26, thereby protecting the connecting wire 31, avoiding the connection wire 31 from being dragged during the detection process and causing the connection wire 31 to fall off or be damaged, thereby ensuring the stability of the detection process.

[0033] like Figure 1-3 and Figure 6 As shown, storage grooves 14 are provided at the four corners of the bottom of the instrument box 10, and the supporting assembly includes four telescopic legs 50, which are respectively slidably installed in the four storage grooves 14, and a limiting mechanism for height adjustment is also provided between the telescopic legs 50 and the instrument box 10.

[0034] like Figure 6 As shown, pulleys 51 are provided at the bottom of the four telescopic legs 50 .

[0035] like Figure 2 As shown, slide grooves 15 are arranged between the four corner positions of the side wall of the instrument box 10 and the corresponding storage grooves 14, and the limiting mechanism includes limit blocks 16 and an adjustment component 40. The limit blocks 16 are evenly spaced and fixedly connected to the outer wall of the instrument box 10 on both sides of the slide grooves 15.

[0036] like Figure 7 As shown, the adjustment assembly 40 includes a cross bar 41, which passes through the slide groove 15 one by one and is fixedly connected to the top position of the outer side of the telescopic leg 50, and one end of the outer side of the cross bar 41 is fixedly connected to the end plate 42, and a clamping sleeve 43 is slidably installed on the outer side of the cross bar 41. A spring 2 44 is arranged on the outer side of the cross bar 41 between the clamping sleeve 43 and the end plate 42, and the clamping sleeve 43 is fitted with the limit blocks 16 arranged on both sides of the slide groove 15.

[0037] Its function is that the arrangement of the telescopic leg 50 and the pulley 51 makes the device as a whole easy to carry, and the arrangement of the adjustment component 40 makes the height adjustment of the telescopic leg 50 easier and more accurate through the cooperation of the clamping sleeve 43 and the limit block 16.

[0038] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A smoke analyzer for fire fighting, comprising an instrument box (10) and a detection gun (30), characterized in that: A box cover (11) is hingedly mounted on one side of the instrument box (10), a control panel (12) and an interface (13) are arranged on the top of the instrument box (10), a connecting line (31) is connected between the detection gun (30) and the interface (13), and a protective mechanism for protecting the connecting line (31) is also arranged between the instrument box (10) and the connecting line (31); The protective mechanism comprises a clamping block (32) and a wire clamping assembly (20), wherein the clamping block (32) is fixedly mounted on the outer side of the circumference of the connecting wire (31), the wire clamping assembly (20) is fixedly mounted on the top of the instrument box (10), and a support assembly for height adjustment is also arranged at the bottom of the instrument box (10).

2. The fire-fighting smoke analyzer according to claim 1, characterized in that: The wire clamping assembly (20) comprises a rectangular seat (21), the rectangular seat (21) is fixedly mounted on the top of the instrument box (10), a mounting groove (22) is provided between the two sides of the rectangular seat (21), a slider (23) is vertically slidably installed between the inner walls of the mounting groove (22), two through holes are symmetrically provided between the inner and outer walls of the top of the rectangular seat (21), connecting rods (24) are slidably installed through the inner walls of the two through holes, a connecting plate (25) is fixedly connected between the top ends of the two connecting rods (24), the bottom ends of the two connecting rods (24) are fixedly connected to the top of the slider (23), and a spring (26) is provided on the outer side of the circumference of the two connecting rods (24) between the inner wall of the top of the rectangular seat (21) and the top of the slider (23).

3. The fire-fighting smoke analyzer according to claim 2, characterized in that: A clamping groove (27) is arranged on the inner wall of the bottom of the rectangular seat (21) and opposite to the bottom of the sliding block (23), and the clamping groove (27) is engaged with the clamping block (32).

4. The fire-fighting smoke analyzer according to claim 1, characterized in that: The instrument box (10) is provided with storage grooves (14) at four corner positions at the bottom, and the support assembly includes four telescopic legs (50). The four telescopic legs (50) are respectively slidably mounted in the four storage grooves (14), and a limiting mechanism for height adjustment is also provided between the telescopic legs (50) and the instrument box (10).

5. The fire-fighting smoke analyzer according to claim 4, characterized in that: The bottoms of the four telescopic legs (50) are all provided with pulleys (51).

6. The fire-fighting smoke analyzer according to claim 1, characterized in that: Slide grooves (15) are arranged between the four corner positions of the side wall of the instrument box (10) and the corresponding storage grooves (14), and the limiting mechanism includes a limiting block (16) and an adjustment component (40), and the limiting blocks (16) are evenly spaced and fixedly connected to the outer wall of the instrument box (10) and located on both sides of the slide groove (15).

7. The fire-fighting smoke analyzer according to claim 6, characterized in that: The adjustment assembly (40) comprises a cross bar (41), the cross bars (41) are passed through the slide grooves (15) one by one and are fixedly connected to the top position of the outer side of the telescopic leg (50), and one end of the outer side of the cross bar (41) is fixedly connected to the end plate (42), a clamping sleeve (43) is slidably installed on the outer side of the cross bar (41), a second spring (44) is arranged on the outer side of the cross bar (41) between the clamping sleeve (43) and the end plate (42), and the clamping sleeve (43) is fitted with the limit blocks (16) arranged on both sides of the slide groove (15).

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