High-precision multi-component laser gas online analyzer

Abstract

A high-precision multi-component laser gas online analyzer comprises a base, two supports are arranged above the base, a control panel is arranged on the front faces of the two supports, a main body is embedded in the tops of the two supports, an optical resonant cavity is formed in the center of the main body, a first electromagnetic valve is arranged on the top of the optical resonant cavity, and a second electromagnetic valve is arranged on the top of the first electromagnetic valve. An air inlet is formed in the top of the first electromagnetic valve, a second electromagnetic valve is arranged on the right side of the first electromagnetic valve, an air outlet is formed in the top of the second electromagnetic valve, an opposite-penetrating type laser transmitter is arranged at the right end of the main body, a quartz lens is arranged at the left end of the main body, and a laser signal receiver is arranged on the left side of the quartz lens. A stabilizing assembly is arranged below the base and comprises a first cylinder and a cylinder, the rubber plug is driven to move upwards by rotating the cylinder, so that the latex pad can be adsorbed on a plane, meanwhile, the latex pad can absorb and reduce vibration, unstable light waves in the detection process are prevented, and the accuracy of an analysis result is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of gas on -line analysis appearance, concretely relates to a kind of high-precision multi-component laser gas on -line analysis appearance. BACKGROUND

[0002] High-precision multi-component laser gas on -line analysis appearance is an advanced gas analysis instrument, it utilizes laser spectroscopy technology to carry out high-precision measurement of gas composition.Laser gas analysis appearance adopts tunable diode laser absorption spectroscopy (TDLAS), with high sensitivity, fast response speed, not by background gas interference, non-contact optical measurement etc., can be applied to numerous industrial fields gas emission monitoring, process control etc.But in the detection process, analyzer is displaced by external influence or is vibrated by external environment, all can lead to unstable laser wave and affect analysis result. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a kind of high-precision multi-component laser gas on -line analysis appearance to solve the problem of the displacement of analyzer by external influence or the vibration of analyzer by external environment in the detection process, which can lead to unstable laser wave and affect analysis result.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of high-precision multi-component laser gas on -line analysis appearance, comprising:

[0006] The bottom is provided with two supports, the front of two supports is provided with control panel, the top of two supports is embedded with main body, the center of main body is provided with optical resonant cavity, the top of optical resonant cavity is provided with electromagnetic valve one, the top of electromagnetic valve one is provided with gas inlet, the right side of electromagnetic valve one is provided with electromagnetic valve two, the top of electromagnetic valve two is provided with gas outlet, the right end of main body is provided with through-type laser emitter, the left end of main body is provided with quartz lens, the left side of quartz lens is provided with laser signal receiver, the bottom of bottom is provided with stabilizing assembly, stabilizing assembly includes cylinder one and cylinder.

[0007] As an optional implementation, the bottom of the base is provided with a plurality of cylindrical ones, the top of the plurality of cylindrical ones is fixedly connected with the bottom of the base, the cylindrical one is provided with a cavity one, and the bottom of the cylindrical one is provided with an opening.

[0008] As an optional implementation, the cavity one is provided with a limiting disc, the limiting disc can only rotate in the cavity one, the bottom of the limiting disc is provided with a screw rod, and the other end of the screw rod passes through the bottom opening of the cylindrical one.

[0009] As an optional implementation form, the lower part of the first cylinder is provided with a second cylinder, the second cylinder is internally provided with a cavity two, the top and bottom of the second cylinder are provided with openings, the cavity two is internally provided with a rubber plug, and the top of the rubber plug is provided with a connecting rod.

[0010] As an optional implementation form, the connecting rod is internally provided with a cavity three, the top of the connecting rod is provided with an opening, the cavity three is internally provided with a rotating disc, the rotating disc can only rotate in the cavity three, and the other end of the screw rod is fixedly connected with the top of the rotating disc.

[0011] As an optional implementation form, the outer sides of the first cylinder and the second cylinder are sleeved with a cylinder, the inner side of the cylinder is provided with two limiting rings in the up-down direction, the outer sides of the first cylinder and the second cylinder are each provided with an annular groove corresponding to the limiting rings, and the cylinder can rotate on the outer sides of the first cylinder and the second cylinder through the two limiting rings.

[0012] As an optional implementation form, the inner side of the cylinder is provided with a fixing ring, the fixing ring is located between the two limiting rings, the center of the fixing ring is provided with a through screw hole, and the rod body of the screw rod is screwed in the screw hole.

[0013] As an optional implementation form, the lower part of the second cylinder is provided with a latex pad, the top of the latex pad is fixedly connected with the bottom of the second cylinder, the center of the latex pad is provided with a hollow cavity, the top and bottom of the latex pad are provided with openings, and the hollow cavity and the cavity two are communicated.

[0014] As an optional implementation form, the middle part of the air inlet is provided with a filter box, the filter box is provided with a filter screen capable of filtering impurities, and dust impurities in the passing gas can be filtered out.

[0015] Compared with the prior art, the utility model provides a kind of high-precision multi-component laser gas on-line analyzer, with the following beneficial effects:

[0016] 1, reduce external influence: by rotating cylinder and driving rubber plug to move upward, latex pad can be firmly adsorbed on the plane, and latex pad can absorb and reduce vibration, prevent analyzer from being affected by external influence and being displaced or being vibrated by external environment during detection process, improve the accuracy of analysis result.

[0017] 2, improve the accuracy of detection: by the filter screen in filter box, the dust impurities in the gas to be detected entering optical resonant cavity are filtered out, to avoid dust impurities affecting analysis result, improve the accuracy of analysis result. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0019] Figure 2 It is a three-dimensional structure schematic view of the stability component of the utility model.

[0020] Figure 3 It is a front cross-sectional plane structure schematic view of the stability component of the utility model.

[0021] Figure 4 It is a three-dimensional structure schematic view of the prototype of the utility model.

[0022] In the figure: 1, base; 2, support; 3, control panel; 4, main body; 5, optical resonant cavity; 6, electromagnetic valve one; 7, air inlet; 8, gas bottle; 9, electromagnetic valve two; 10, air outlet; 11, through laser emitter; 12, quartz lens; 13, laser signal receiver; 14, cylinder one; 15, cavity one; 16, limit disc; 17, screw rod; 18, cylinder two; 19, cavity two; 20, rubber plug; 21, connecting rod; 22, cavity three; 23, rotating disc; 24, cylinder; 25, limit ring; 26, annular groove; 27, fixed ring; 28, threaded hole; 29, latex pad; 30, hollow cavity; 31, filter box. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] The utility model provides a kind of Figures 1-4 As shown in

[0025] A kind of high-precision multi-component laser gas on-line analyzer, including base 1, the top of base 1 is equipped with two supports 2, the bottom of two supports 2 and the top of base 1 are fixedly connected, the front of two supports 2 is equipped with control panel 3, the back of control panel 3 and the front of two supports 2 are fixedly connected, the top of two supports 2 is embedded with main body 4, the center of main body 4 is equipped with optical resonant cavity 5, the top of optical resonant cavity 5 is equipped with electromagnetic valve one 6, the top of electromagnetic valve one 6 is equipped with gas inlet 7, gas inlet 7 and optical resonant cavity 5 are communicated, the right side of electromagnetic valve one 6 is equipped with electromagnetic valve two 9, the top of electromagnetic valve two 9 is equipped with gas outlet 10, gas outlet 10 and optical resonant cavity 5 are communicated, the right end of main body 4 is equipped with through-type laser emitter 11, the left end of main body 4 is equipped with quartz lens 12, the left side of quartz lens 12 is equipped with laser signal receiver 13, through-type laser emitter 11, optical resonant cavity 5, quartz lens 12 and laser signal receiver 13 are all on a straight line, the bottom of base 1 is equipped with stabilizing assembly, stabilizing assembly is used to make the placement of base 1 more stable, prevent base 1 from displacement when equipment runs to affect the accuracy of analysis result, improve damping performance simultaneously, avoid that the vibration of outside influences analysis result, stabilizing assembly includes cylinder one 14 and cylinder 24.In use, electromagnetic valve two 9 is closed first, so that gas outlet 10 is sealed, then gas bottle 8 containing to-be-detected gas is installed on gas inlet 7, then electromagnetic valve one 6 is opened, so that to-be-detected gas enters into optical resonant cavity 5, then through-type laser emitter 11 is started by control panel 3, so that laser passes through optical resonant cavity 5 and quartz lens 12 and finally falls on laser signal receiver 13, laser signal receiver 13 will feedback signal to control panel 3 and finally display on control panel 3.

[0026] As Figure 1 And Figure 3 Shown, the bottom of base 1 is equipped with multiple cylinder one 14, the top of multiple cylinder one 14 and the bottom of base 1 are fixedly connected, cavity one 15 is located in cylinder one 14, the bottom of cylinder one 14 is equipped with opening, limit disc 16 is located in cavity one 15, limit disc 16 can only rotate or move up and down in cavity one 15, the bottom of limit disc 16 is equipped with screw rod 17, one end of screw rod 17 and the bottom of limit disc 16 are fixedly connected, the diameter of screw rod 17 is less than the diameter of the bottom opening of cylinder one 14, the other end of screw rod 17 passes through the bottom opening of cylinder one 14. Figure 3As shown, the lower part of the cylinder one 14 is provided with the cylinder two 18, the diameter of the cylinder two 18 is consistent with the diameter of the cylinder one 14, the cylinder two 18 is provided with the cavity two 19, the top and bottom of the cylinder two 18 is provided with the opening, the cavity two 19 is provided with the rubber plug 20, the rubber plug 20 can only move up and down in the cavity two 19, the diameter of the rubber plug 20 is consistent with the diameter of the cavity two 19, so that the rubber plug 20 and the inner wall of the cavity two 19 are tightly closed and cannot pass through the air, the top of the rubber plug 20 is provided with the connecting rod 21, the bottom of the connecting rod 21 is fixedly connected with the top of the rubber plug 20, and the connecting rod 21 can pass through the opening in the top of the cylinder two 18. Figure 3 As shown, the connecting rod 21 is provided with the cavity three 22, the top of the connecting rod 21 is provided with the opening, the cavity three 22 is provided with the rotating disc 23, the rotating disc 23 can only rotate in the cavity three 22, and the other end of the screw rod 17 is fixedly connected with the top of the rotating disc 23 by penetrating the opening in the top of the connecting rod 21. Figure 3 As shown, the outer side of the cylinder one 14 and the cylinder two 18 is sleeved with the cylinder 24, the inner side of the cylinder 24 is provided with two limiting rings 25, the two limiting rings 25 are fixedly connected with the inner side of the cylinder 24, the outer side of the cylinder one 14 and the cylinder two 18 is provided with the annular groove 26 corresponding to the limiting ring 25, the cylinder 24 can rotate on the outer side of the cylinder one 14 and the cylinder two 18 through the two limiting rings 25, and the cylinder one 14 and the cylinder two 18 can maintain a certain gap through the limiting ring 25 and the annular groove 26. Figure 3 As shown, the inner side of the cylinder 24 is provided with the fixed ring 27, the fixed ring 27 is fixedly connected with the inner side of the cylinder 24, the fixed ring 27 is located between the two limiting rings 25, and the fixed ring 27 is also located in the gap between the cylinder one 14 and the cylinder two 18, the center of the fixed ring 27 is provided with the through screw hole 28, and the rod body of the screw rod 17 is screwed in the screw hole 28, at this time, the screw hole 28 can drive the screw rod 17 to move up and down by rotating the cylinder 24, and the rubber plug 20 can be driven to move up and down by the up-down movement of the screw rod 17. Figure 3 As shown, the lower part of the cylinder two 18 is provided with the latex pad 29, the top of the latex pad 29 is fixedly connected with the bottom of the cylinder two 18, the center of the latex pad 29 is provided with the hollow cavity 30, the top and bottom of the latex pad 29 are provided with the opening, and the hollow cavity 30 is communicated with the cavity two 19. In use, the base 1 is placed on a smooth plane, then the cylinder 24 is rotated to drive the rubber plug 20 to move upward, at this time, the rubber plug 20 can extract the air in the hollow cavity 30 into the cavity two 19, and a strong suction force is generated in the hollow cavity 30, so that the latex pad 29 is firmly adsorbed on the plane, through the above arrangement, the base 1 can be prevented from moving during the operation of the equipment, so as to cause the laser wave to be unstable and affect the accuracy of the analysis result, at the same time, the latex pad 29 can absorb the external vibration force to improve the damping performance, so as to avoid the external vibration to affect the analysis result.

[0027] As Figure 1 shown, the middle part of the air inlet 7 is provided with a filter box 31, which is provided with a filter screen capable of filtering impurities, which can be an activated carbon filter screen, capable of filtering dust impurities in the passing gas, but without affecting the normal passage of the gas. By this setting, the to-be-detected gas can be filtered of dust impurities, avoiding the influence of dust impurities on the analysis results and improving the accuracy.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A high-precision multi-component laser gas on-line analyzer characterized by, Include: The base (1) is provided with two supports (2) on the top, the front of the two supports (2) is provided with a control panel (3), the top of the two supports (2) is embedded with a main body (4), the center of the main body (4) is provided with an optical resonant cavity (5), the top of the optical resonant cavity (5) is provided with an electromagnetic valve (6), the top of the electromagnetic valve (6) is provided with an air inlet (7), the right side of the electromagnetic valve (6) is provided with an electromagnetic valve (9), the top of the electromagnetic valve (9) is provided with an air outlet (10), the right end of the main body (4) is provided with a through laser emitter (11), the left end of the main body (4) is provided with a quartz lens (12), the left side of the quartz lens (12) is provided with a laser signal receiver (13), the bottom of the base (1) is provided with a stabilizing assembly, the stabilizing assembly includes a cylinder (14) and a cylinder (24).

2. The high-precision multi-component laser gas on-line analyzer according to claim 1, characterized in that: The bottom of the base (1) is provided with a plurality of cylinders (14), the top of the plurality of cylinders (14) is fixedly connected with the bottom of the base (1), the cylinder (14) is provided with a cavity (15) in the inside, and the bottom of the cylinder (14) is provided with an opening.

3. The high-precision multi-component laser gas on-line analyzer according to claim 2, characterized in that: The cavity (15) is provided with a limiting disc (16), the limiting disc (16) can only rotate in the cavity (15), the bottom of the limiting disc (16) is provided with a screw rod (17), the other end of the screw rod (17) passes through the bottom opening of the cylinder (14).

4. The high-precision multi-component laser gas on-line analyzer according to claim 3, characterized in that: The bottom of the cylinder (14) is provided with a cylinder (18), the cylinder (18) is provided with a cavity (19) in the inside, the top and bottom of the cylinder (18) are provided with openings, the cavity (19) is provided with a rubber plug (20) in the inside, and the top of the rubber plug (20) is provided with a connecting rod (21).

5. The high-precision multi-component laser gas on-line analyzer according to claim 4, characterized in that: The connecting rod (21) is provided with a cavity (22) in the inside, the top of the connecting rod (21) is provided with an opening, the cavity (22) is provided with a rotating disc (23) in the inside, the rotating disc (23) can only rotate in the cavity (22), and the other end of the screw rod (17) is fixedly connected with the top of the rotating disc (23).

6. The high-precision multi-component laser gas on-line analyzer according to claim 5, characterized in that: The outer side of the cylinder (14) and the cylinder (18) is sleeved with a cylinder (24), the inner side of the cylinder (24) is provided with two limiting rings (25) upward and downward, the outer side of the cylinder (14) and the cylinder (18) is provided with an annular groove (26) corresponding to the limiting ring (25), and the cylinder (24) can rotate on the outer side of the cylinder (14) and the cylinder (18) through the two limiting rings (25).

7. The high-precision multi-component laser gas on-line analyzer according to claim 6, characterized in that: The inner side of the cylinder (24) is provided with a fixed ring (27), the fixed ring (27) is located between the two limiting rings (25), the center of the fixed ring (27) is provided with a through screw hole (28), and the rod body of the screw rod (17) is screwed in the screw hole (28).

8. The high-precision multi-component laser gas on-line analyzer according to claim 7, characterized in that: The lower part of the second cylinder (18) is provided with a latex pad (29), the top of the latex pad (29) is fixedly connected with the bottom of the second cylinder (18), the center of the latex pad (29) is provided with a hollow cavity (30), the top and bottom of the latex pad (29) are provided with openings, and the hollow cavity (30) is communicated with the second cavity (19).

9. The high-precision multi-component laser gas on-line analyzer according to claim 1, characterized in that: The middle part of the air inlet (7) is provided with a filter box (31), the filter box (31) is provided with a filter screen capable of filtering impurities, and dust impurities in the passing gas can be filtered out.

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