Disclosure of Invention
For solving above-mentioned technical problem, this application provides a smog case, and its structure is simple and easy, the practicality is strong, can the incasement concentration value of test reaction gas of accurate survey.
The technical scheme provided by the application is as follows:
the application provides a smog chamber includes: a transparent smoke box; the gas exchange port is arranged on the transparent smoke box body and used for introducing test reaction gas; a gas reaction chamber is arranged in the transparent smoke box body; and the concentration measuring mechanism is arranged in the gas reaction chamber and is used for measuring and displaying the concentration of the reaction gas particles to be tested.
Further, in a preferred mode of the present invention, the smoke box further includes: the opening is arranged on the top surface of the transparent smoke box body, and the movable sealing cover is connected with the opening in a matched mode; a sealing cylinder covering the opening; the water vapor volatilization structure and the humidity measuring mechanism are arranged in the gas reaction chamber; and the hanging traction mechanism is connected with the sealing cylinder, penetrates through the opening and extends into the gas reaction chamber to adjust the position of the water vapor volatilization structure.
Further, in a preferred mode of the present invention, one end of the suspension pulling mechanism is connected to the water vapor volatilization structure, and the other end of the suspension pulling mechanism is connected to the sealing cylinder and extends out of the sealing cylinder, so as to drive the water vapor volatilization structure to pass through the opening and perform a reciprocating translational motion in the gas reaction chamber and the sealing cylinder.
Further, in a preferred mode of the present invention, the sealing cylinder is a glass cylinder; one end of the glass cylinder is open, and the open end of the glass cylinder is reversely buckled on the top surface of the transparent smoke box body and is movably connected with the transparent smoke box body; the opening and the movable sealing cover are arranged in the glass cylinder, and the glass cylinder drives the movable sealing cover to close or open the opening.
Further, in a preferred mode of the present invention, the smoke box further includes: a reaction gas distribution mechanism connected with the gas exchange port and used for introducing test reaction gas; set up in transparent smog box side wall is used for leading-in outside flushing gas and the exhaust flushing mechanism of discharging incasement gas and is used for leading-in humidity control mechanism who mixes high humid gas or high dry gas.
Further, in a preferred mode of the present invention, the opening is a circular opening, and one or more circular openings are provided on the top surface of the transparent smoke box.
Further, in a preferred mode of the present invention, the movable sealing cover connected to the opening in a matching manner includes a first circular cover and a second circular cover, and the first circular cover and the second circular cover are coaxially disposed and are integrally formed; the first round cover and the opening have the same diameter and are used for sealing the opening; the second round cover is arranged above the first round cover, and the diameter of the second round cover is larger than that of the first round cover.
Further, in a preferred mode of the present invention, the gas exchange port communicates with the gas reaction chamber, and the gas exchange port includes: the first exchange port is connected with the reaction air distribution mechanism, the second exchange port is connected with the exhaust flushing mechanism, and the third exchange port is connected with the humidity adjusting mechanism; and the fourth exchange port and the fifth exchange port are arranged on the outer side wall of the transparent smoke box body and used for exhausting.
Further, in a preferred mode of the present invention, the concentration test mechanism includes: a measurement sensing unit, a display unit, and a power supply driving unit; the measuring and sensing component is arranged in the gas reaction chamber and used for measuring and testing reaction gas, the display component is connected with the measuring and sensing component and used for displaying concentration measurement data, and the power supply driving component is connected with an external power supply and provides electric drive for the measuring and sensing component and the display component.
Further, in a preferred mode of the invention, a first isolation chamber is arranged in the transparent smoke box; the first isolation chamber is arranged below the gas reaction chamber, the power supply driving part is arranged in the first isolation chamber, one end of the power supply driving part is connected with the measurement reaction part, and the other end of the power supply driving part extends out of the first isolation chamber to be connected with an external power supply.
Further, in a preferred embodiment of the present invention, a transparent resin film is provided on an inner wall surface of the gas reaction chamber.
Compared with the prior art, the smoke box provided by the invention comprises: a transparent smoke box; the gas exchange port is arranged on the transparent smoke box body and used for introducing test reaction gas; a gas reaction chamber is arranged in the transparent smoke box body; and the concentration measuring mechanism is arranged in the gas reaction chamber and is used for measuring and displaying the concentration of the reaction gas particles to be tested. For the concentration test of the test reaction gas, the gas reaction chamber and a concentration test mechanism directly arranged in the gas reaction chamber are utilized to carry out in-box measurement, the accurate concentration value of the test reaction gas in the gas reaction chamber can be directly measured, the problem of loss of particle concentration caused by a path in the concentration test of the test reaction gas outside a box is solved, and the problem of reduction of the quantity of the test reaction gas caused by the concentration test of the gas outside the box is avoided. Compared with the prior art, the technical scheme has the advantages of simple structure and strong practicability, and can accurately measure the concentration value of the test reaction gas in the box.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.
As shown in fig. 1 to 4, the smoke box provided in the embodiment of the present application includes: a transparent smoke box body 1; the gas exchange port 2 is arranged on the transparent smoke box body 1 and used for introducing test reaction gas; a gas reaction chamber 3 is arranged in the transparent smoke box body 1; and a concentration measuring mechanism 4 disposed in the gas reaction chamber 1 for measuring and displaying the concentration of the test reaction gas particles.
The invention provides a smoke box, which specifically comprises: a transparent smoke box body 1; the gas exchange port 2 is arranged on the transparent smoke box body 1 and used for introducing test reaction gas; a gas reaction chamber 3 is arranged in the transparent smoke box body 1; and a concentration measuring mechanism 4 disposed in the gas reaction chamber 1 for measuring and displaying the concentration of the test reaction gas particles. For the concentration test of the test reaction gas, the gas reaction chamber 3 and the concentration test mechanism 4 directly arranged in the gas reaction chamber 3 are utilized to carry out in-box measurement, so that the accurate concentration value of the test reaction gas in the gas reaction chamber 3 can be directly measured, the problem of loss of particle concentration caused by a path in the concentration measurement of the test reaction gas outside the box is solved, and the problem of reduction of the quantity of the test reaction gas caused by the concentration measurement of the gas outside the box is avoided. Compared with the prior art, the technical scheme has the advantages of simple structure and strong practicability, and can accurately measure the concentration value of the test reaction gas in the box.
Specifically, in an embodiment of the present invention, the smoke box further comprises: an opening 6 arranged on the top surface of the transparent smog box body 1 and a movable sealing cover 7 matched and connected with the opening 6; a sealing cylinder 8 covering the opening 6; the water vapor volatilization structure 10 and the humidity measuring mechanism 5 are arranged in the gas reaction chamber 3; and the hanging traction mechanism 9 is connected with the sealing cylinder 8, penetrates through the opening 6 and extends into the gas reaction chamber 3 to adjust the position of the water vapor volatilization structure 10.
For the accurate control of the humidity in the box, the humidity measuring mechanism 5 is used for measuring the humidity value in the gas reaction chamber 3 in real time; the water vapor volatilization structure 10 adjusts the humidity value in the gas reaction chamber 3; the hanging traction mechanism 9 controls and adjusts the position of the water vapor volatilization structure 10; the sealing cylinder 8 is used for sealing the opening; when humidity adjustment is needed, the hanging traction mechanism 9 is used for placing the water vapor volatilization structure 10 in the gas reaction chamber 3 for humidity adjustment, when the humidity value reaches a preset value, the hanging traction mechanism 9 is used for drawing the water vapor volatilization structure 10 out of the gas reaction chamber 3, the sealing barrel 8 is used for driving the movable sealing cover 7 to close the opening 6, and accurate adjustment and control of the humidity value in the box are achieved.
Specifically, in the embodiment of the present invention, the water vapor volatilization structure 10 is used for adjusting the water vapor amount of the gas reaction chamber 3, and the water vapor volatilization structure 10 includes a water-containing sponge and a humidifier.
Specifically, in the embodiment of the present invention, the suspension pulling mechanism 9 has one end connected to the water vapor volatilization structure 10, and the other end connected to the sealing cylinder 8 and extending out of the sealing cylinder 8, so as to drive the water vapor volatilization structure 10 to pass through the opening 6 and make a reciprocating translational motion in the gas reaction chamber 3 and the sealing cylinder 8.
Specifically, in the embodiment of the present invention, the sealing cylinder 8 is a glass cylinder; one end of the glass cylinder is open, and the open end of the glass cylinder is reversely buckled on the top surface of the transparent smoke box body 1 and is movably connected with the transparent smoke box body 1; the opening 6 and the movable sealing cover 7 are arranged in the glass cylinder, and the glass cylinder drives the movable sealing cover 7 to close or open the opening 6.
Specifically, in the embodiment of the present invention, the top surface of the glass cylinder is provided with a circular hole, and a sealing member 15 is arranged at the circular hole; the other end of the suspension traction mechanism 9 passes through the sealing part 15 and extends out of the glass cylinder.
The hanging traction mechanism 9 is a traction rope, the sealing component 15 is a latex tube, and the water vapor volatilization structure 10 is water-containing sponge; one end of the latex tube is sealed, the other end of the latex tube is connected with the round hole, one end of the traction rope is connected with the water-containing sponge, and the other end of the traction rope penetrates through the latex tube and extends out of the glass cylinder; the position of the water-containing sponge is adjusted by manually controlling the hauling rope, and the water-containing sponge volatilizes through water vapor to regulate and control the humidity in the gas reaction chamber 3.
Specifically, in the embodiment of the present invention, the glass cylinder can make non-directional translation or rotation motion along the top surface of the transparent smoke box 1; the glass cylinder has a diameter of 150mm and a height of 140 mm.
An opening at one end of the glass cylinder is reversely buckled on the opening 6 and the movable sealing cover 7, so that the opening 6 is sealed when humidity is regulated, the communication between the gas in the gas reaction chamber 3 and the external air is avoided, and the accurate regulation of the humidity is realized; the glass cylinder does translational motion along the top surface of the transparent smoke box body 1 to drive the movable sealing cover 7, so that the movable sealing cover 7 can close or open the opening 6.
Specifically, in an embodiment of the present invention, the smoke box further comprises: a reaction gas distribution mechanism 11 connected with the gas exchange port 2 and used for introducing test reaction gas; an exhaust flushing mechanism 12 for introducing external flushing gas and discharging gas in the transparent smoke box 1 and a humidity adjusting mechanism 13 for introducing mixed high humidity gas or high dry gas are arranged on the side wall of the transparent smoke box.
Specifically, in the embodiment of the present invention, the exhaust gas flushing mechanism 12 includes: a first gas input end for introducing high-purity nitrogen; a second gas input side by side with the first gas input for introducing high purity oxygen; the high-purity nitrogen gas and the high-purity oxygen gas are mixed and introduced into the gas reaction chamber 3, and the volume mixing ratio of the high-purity nitrogen gas to the high-purity oxygen gas is 79: 21.
Specifically, in the embodiment of the present invention, the length, width and height of the transparent smoke box 1 are 533mm, 391mm and 325mm respectively.
Specifically, in the embodiment of the present invention, the opening 6 is a circular opening having a diameter of 80 mm; the top surface of the transparent smoke box body 1 is provided with one or more circular openings.
Wherein, set up a plurality ofly circular opening makes it set up a plurality ofly with circular opening complex the movable sealing lid 7, steam volatilizees structure 10 hang drive mechanism 9 and sealed section of thick bamboo 8 for realize quick adjustment the humidity value in the gas reaction chamber 3.
Specifically, in the embodiment of the present invention, the movable sealing cover 7 that is in fit connection with the opening includes a first circular cover 702 and a second circular cover 701, and the first circular cover 702 and the second circular cover 701 are coaxially disposed and are integrally formed; the first dome 702 has the same diameter as the opening for sealing the opening; the second dome 701 is disposed above the first dome 702 and the diameter of the second dome 701 is larger than the diameter of the first dome 702.
Specifically, in the embodiment of the present invention, the gas exchange port 2 communicates with the gas reaction chamber 3, and the gas exchange port 2 includes: a first exchange port 201 connected to the reaction valve mechanism 11, a second exchange port 202 connected to the exhaust gas flushing mechanism 12, and a third exchange port 203 connected to the humidity control mechanism 13; a fourth exchange port 204 and a fifth exchange port 205 disposed on the outer side wall of the transparent smoke box 1 for exhausting air.
Wherein the diameters of the pipe orifices of the first exchange port 201, the second exchange port 202 and the third exchange port 203 are 10 mm; the first exchange port 201, the second exchange port 202 and the third exchange port 203 are arranged on the same side wall of the transparent smoke box 1 side by side; the fourth exchange port 204 is arranged at the top side of the side wall of the transparent smoke box 1 and used for discharging test reaction gas with density lower than that of clean gas; the fifth exchanging port 205 is disposed at the bottom side of the transparent smoke box 1 for exhausting the testing reaction gas with density higher than that of the clean gas.
Specifically, in the embodiment of the present invention, the pipe orifices of the first exchange port 201, the second exchange port 202, and the third exchange port 203 are provided with a gas check valve; flow control valves are arranged at the pipe orifices of the fourth exchange port 204 and the fifth exchange port 205.
Specifically, in the embodiment of the present invention, the concentration test mechanism 4 includes: measurement sensing section 401, display section 402, and power driving section 403; the measurement sensing member 401 is disposed in the gas reaction chamber 3 to measure the test reaction gas, the display member 402 is connected to the measurement sensing member 401 to display the concentration measurement data, and the power driving member 403 is connected to an external power supply to provide electric power drive for the measurement sensing member 401 and the display member 402.
Specifically, in the embodiment of the present invention, the display part 402 is disposed on the side wall of the transparent smoke box 1, and is in communication connection with the measurement sensing part 401.
Specifically, in the embodiment of the present invention, a first isolation chamber 16 is arranged in the transparent smoke box 1; the first isolation chamber 16 is disposed below the gas reaction chamber 3, the power driving part 403 is disposed in the first isolation chamber 16, one end of the power driving part is connected to the measurement reaction part, and the other end of the power driving part extends out of the first isolation chamber 16 to be connected to an external power supply.
Specifically, in the embodiment of the present invention, the inner wall surface of the gas reaction chamber 3 is provided with a transparent resin film 14.
Specifically, in the embodiment of the present invention, the material of the transparent resin film is polytetrafluoroethylene.
More specifically, currently, there are a number of problems and deficiencies with existing smoke boxes: firstly, errors exist in the measurement of secondary particles formed by gas particle conversion in the reaction process, and the particle concentration measured by an instrument is generally less than the actual concentration of the particles; secondly, the volume of the inner cavity of the reaction chamber influences the concentration of the gas particles, so that the concentration value of the measured gas particles deviates from an actual value; and thirdly, the humidity in the smoke box reaction chamber cannot be accurately controlled, and the humidity is difficult to control at a set humidity value.
The smoke box provided by the invention utilizes the gas reaction chamber 3 and the concentration testing mechanism 4 directly arranged in the gas reaction chamber 3 to realize accurate measurement of the concentration value of the reaction gas tested in the smoke box.
In summary, in the smoke box according to the embodiment of the present invention, for the concentration test of the test reactant gas, the gas reaction chamber 3 and the concentration test mechanism 4 directly disposed in the gas reaction chamber 3 are used to perform in-box measurement, so that the accurate concentration value of the test reactant gas can be directly obtained through measurement, and the problems of particle concentration loss caused by the path measurement outside the smoke box and the reduction of the test reactant gas amount caused by the measurement outside the smoke box are solved; secondly, for the accurate control of the humidity in the box, the humidity value in the gas reaction chamber 3 is measured in real time by using the humidity measuring mechanism 5, the humidity value in the gas reaction chamber 3 is adjusted by combining the water vapor volatilization structure 10 and the humidity adjusting mechanism 13 through water vapor volatilization, the position of the water vapor volatilization structure 10 is controlled and adjusted by using the hanging traction mechanism 9, and the opening 6 is sealed by using the sealing cylinder 8; when humidity adjustment is needed, the hanging traction mechanism 9 is used for placing the water vapor volatilization structure 10 in the gas reaction chamber 3 for humidity adjustment, when the humidity value reaches a preset value, the hanging traction mechanism 9 is used for drawing the water vapor volatilization structure 10 out of the gas reaction chamber 3, the sealing barrel 8 is used for driving the movable sealing cover 7 to close the opening 6, and accurate adjustment and control of the humidity value in the box are achieved. Compared with the prior art, the technical scheme has the advantages of simple structure and strong practicability, and can accurately measure the concentration value of the test reaction gas in the box.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.