Hydrogen combustion detector

Abstract

The utility model relates to a hydrogen combustion detector which comprises a mixing bin, the upper end part of the mixing bin is communicated with a detection bin, and detection pieces are arranged on the detection bin and the mixing bin; the detection piece comprises a supporting plate with one end placed at the upper end of the detection bin, the lower end of the supporting plate is fixedly connected with a connecting disc with one end extending to the inner side of the detection bin, and a gas detector with one end penetrating and extending to the lower end of the connecting disc is fixedly installed at the upper end of the supporting plate. According to the hydrogen combustion detector, the conveying piece can control the conveying amount of oxygen or air, and after hydrogen is conveyed into the mixing bin through the air inlet pipe, the advancing paths of the hydrogen and the oxygen can be increased through the baffles, so that the mixing effect is improved; the gas concentration can be detected through the gas detector, and whether the mixed gas is exploded or not after combustion of the igniter, so that an operator can conveniently and better detect and proportion the gas, and the detection safety and convenience are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy, in particular to a hydrogen combustion detection machine. Background Art

[0002] Hydrogen is a single substance formed by the hydrogen element, with the chemical formula H2 and a molecular weight of 2.01588. At room temperature and pressure, hydrogen is a colorless, odorless, highly flammable and insoluble gas in water. The density of hydrogen is 0.089g / L (101.325kpa, 0℃), which is only 1 / 14 of air. It is the smallest gas known in the world.

[0003] However, when detecting hydrogen combustion, if there is an error in the ratio of hydrogen to air, it will cause an explosion, which limits the use of hydrogen. There is great instability in setting the ratio of hydrogen to air, which usually requires manual participation and has a certain impact on the safety of workers. Therefore, a hydrogen combustion detection machine is proposed to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a hydrogen combustion detector, which has the advantages of improving detection safety and convenience, and solves the problem of poor detection safety.

[0005] To achieve the above object, the utility model provides the following technical solutions: a hydrogen combustion detection machine, comprising a mixing chamber, the upper end of the mixing chamber is connected to a detection chamber, and the detection chamber and the mixing chamber are provided with detection components;

[0006] The detection member includes a support plate with one end placed on the upper end of the detection chamber, the lower end of the support plate is fixedly connected to a connection plate with one end extending to the inner side of the detection chamber, the upper end of the support plate is fixedly installed with a gas detector with one end penetrating and extending to the lower end of the connection plate, the lower end of the connection plate is threadedly connected with a baffle, the outer side of the detection chamber is connected with an air outlet pipe, the upper end of the detection chamber is embedded with a sealing ring, the outer side of the detection chamber is fixedly installed with an igniter with one end penetrating and extending to the inner side thereof, and the inner side wall of the mixing chamber is fixedly connected with a baffle;

[0007] A conveying member is arranged on one side of the mixing bin.

[0008] Furthermore, an observation window is fixedly connected to the front of the detection chamber, and the observation window is an explosion-proof glass window. A pressure relief valve is fixedly installed on the outer side of the air outlet pipe.

[0009] Furthermore, an inner wall of the detection chamber is provided with an internal thread, and an outer side of the connection plate is provided with a first external thread, and the first external thread and the internal thread cooperate with each other.

[0010] Furthermore, a thread groove is formed at the lower end of the connection plate and is located outside the retaining frame. The retaining frame is cylindrical, and a second external thread is formed on the outside of the retaining frame. The second external thread cooperates with the thread groove.

[0011] Furthermore, there are a plurality of baffles, which are distributed on the inner top wall and the inner bottom wall of the mixing bin in an up-and-down staggered manner.

[0012] Furthermore, the conveying member includes an air pump with one end fixedly connected to one side of the mixing bin, the air inlet end of the air pump is connected to an air inlet hose, and the air outlet end of the air pump is connected to an exhaust pipe with one end penetrating through and extending to the inside of the mixing bin.

[0013] Furthermore, an air outlet end of the exhaust pipe is connected to the right side of the rightmost baffle and the other side of the mixing bin with an air intake pipe, and a control valve is fixedly installed on the outside of the air intake pipe.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] 1. The hydrogen combustion detection machine, because the conveying part can control the oxygen or air delivery amount, after the hydrogen is transported to the mixing chamber through the air inlet pipe, the travel path of hydrogen and oxygen can be increased through a number of baffles, thereby improving the mixing effect. The gas concentration can be detected by the gas detector and whether the mixed gas after combustion by the igniter produces an explosion, so as to facilitate the operator to better detect the gas ratio and improve the safety and convenience of detection.

[0016] 2. The hydrogen combustion detector is threadedly connected to the detection chamber through the connecting plate on the support plate, which allows the operator to easily unscrew the support plate and the gas detector and perform regular maintenance on the detection end of the gas detector, thereby improving maintenance convenience and detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a front cross-sectional view of the overall structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 It is a three-dimensional schematic diagram of the detection chamber structure of the utility model.

[0021] In the figure: 1 mixing chamber, 2 detection chamber, 3 observation window, 4 detection part, 41 support plate, 42 gas detector, 43 connecting plate, 44 baffle, 45 outlet pipe, 46 igniter, 47 baffle, 48 threaded groove, 49 sealing ring, 410 installation groove, 5 control panel, 6 intake pipe, 7 conveying part, 71 exhaust pipe, 72 air pump, 73 intake hose. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 In this embodiment, a hydrogen combustion detection machine includes a mixing chamber 1, the upper end of the mixing chamber 1 is connected to a detection chamber 2, and a detection element 4 is provided on the detection chamber 2 and the mixing chamber 1;

[0024] A conveying member 7 is provided on one side of the mixing bin 1, and the conveying member 7 includes an air pump 72 whose one end is fixedly connected to one side of the mixing bin 1, the air inlet end of the air pump 72 is connected to an air inlet hose 73, and the air outlet end of the air pump 72 is connected to an exhaust pipe 71 whose one end passes through and extends to the inside of the mixing bin 1.

[0025] In this embodiment, a fixed amount of air or oxygen is delivered into the mixing chamber 1 through the cooperation of the air pump 72, the air intake hose 73 and the exhaust pipe 71.

[0026] See also Figure 2-4 In this embodiment, the detection member 4 includes a support plate 41 with one end placed on the upper end of the detection chamber 2, the lower end of the support plate 41 is fixedly connected to a connecting plate 43 with one end extending to the inner side of the detection chamber 2, the upper end of the support plate 41 is fixedly installed with a gas detector 42 with one end penetrating and extending to the lower end of the connecting plate 43, the lower end of the connecting plate 43 is threadedly connected with a retaining frame 44, the outer side of the detection chamber 2 is connected to an air outlet pipe 45, the upper end of the detection chamber 2 is embedded with a sealing ring 49, the outer side of the detection chamber 2 is fixedly installed with an igniter 46 with one end penetrating and extending to the inner side thereof, and the inner wall of the mixing chamber 1 is fixedly connected with a baffle 47.

[0027] In this embodiment, after hydrogen is transported into the mixing chamber 1 through the air inlet pipe 6, a number of baffles 47 can be used to increase the travel path of hydrogen and oxygen, thereby improving the mixing effect. The gas concentration can be detected by the gas detector 42 and whether the mixed gas is burned by the igniter 46 to produce an explosion, thereby facilitating the operator to better detect and mix the gas.

[0028] It should be noted that a mounting groove 410 is provided at the upper end of the detection chamber 2 , and the sealing ring 49 is embedded inside the mounting groove 410 .

[0029] Among them, an observation window 3 is fixedly connected to the front of the detection chamber 2, and the observation window 3 is an explosion-proof glass window. A pressure relief valve is fixedly installed on the outside of the air outlet pipe 45. The pressure in the detection chamber 2 is released through the pressure relief valve on the outside of the air outlet pipe 45. The detection chamber 2 is an explosion-proof chamber.

[0030] In addition, an inner wall of the detection chamber 2 is provided with an internal thread, and an outer side of the connecting plate 43 is provided with a first external thread. The first external thread cooperates with the internal thread so that the connecting plate 43 can be tightened and fixed to the upper end of the detection chamber 2.

[0031] Secondly, a threaded groove is provided at the lower end of the connecting plate 43 and is located on the outside of the retaining frame 44. The retaining frame 44 is cylindrical and has a second external thread on the outside. The second external thread cooperates with the threaded groove so that the retaining frame 44 can be tightened and fixed on the lower end of the connecting plate 43 to cover the end of the gas detector 42, and an air vent is provided on the inner bottom wall of the retaining frame 44 to allow gas to pass through the retaining frame 44.

[0032] Then, there are several baffles 47, which are staggered up and down and distributed on the inner top wall and the inner bottom wall of the mixing bin 1. The several baffles 47 increase the path of the mixed air or oxygen and hydrogen transported into the mixing bin 1.

[0033] Finally, the outlet end of the exhaust pipe 71 is connected to the right side of the rightmost baffle 47, and the other side of the mixing chamber 1 is connected to the intake pipe 6. A control valve is fixedly installed on the outside of the intake pipe 6, and the hydrogen intake amount is controlled by the intake pipe 6. After a certain amount of air or oxygen is delivered to the mixing chamber 1 through the cooperation of the air pump 72, the intake hose 73 and the exhaust pipe 71, hydrogen can be delivered to the mixing chamber 1 through the intake pipe 6, and then the travel paths of hydrogen and oxygen are increased through a number of baffles 47, thereby improving the mixing effect. The gas concentration can be detected by the gas detector 42, and whether the mixed gas will explode when burned by the igniter 46.

[0034] The working principle of the above embodiment is:

[0035] Through the cooperation of the air pump 72, the air intake hose 73 and the exhaust pipe 71, after a certain amount of air or oxygen is transported into the mixing chamber 1, hydrogen can be transported into the mixing chamber 1 through the air intake pipe 6, and then the travel paths of hydrogen and oxygen are increased through a number of baffles 47, thereby improving the mixing effect. The gas concentration can be detected by the gas detector 42, and whether the mixed gas after combustion by the igniter 46 produces an explosion, thereby facilitating the operator to better detect and proportion the gas, thereby improving the safety and convenience of detection. The connecting plate 43 on the support plate 41 is threadedly connected in the detection chamber 2, so that the operator can conveniently unscrew the support plate 41 and the gas detector 42, and perform regular maintenance of the detection end of the gas detector 42, thereby improving the convenience of maintenance and the accuracy of detection.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydrogen combustion detector, comprising a mixing chamber (1), characterized in that: The upper end of the mixing chamber (1) is connected to the detection chamber (2), and the detection chamber (2) and the mixing chamber (1) are provided with detection components (4); The detection member (4) comprises a support plate (41) with one end placed on the upper end of the detection chamber (2); the lower end of the support plate (41) is fixedly connected to a connection plate (43) with one end extending to the inner side of the detection chamber (2); the upper end of the support plate (41) is fixedly installed with a gas detector (42) with one end penetrating and extending to the lower end of the connection plate (43); the lower end of the connection plate (43) is threadedly connected with a baffle (44); the outer side of the detection chamber (2) is connected to an air outlet pipe (45); the upper end of the detection chamber (2) is embedded with a sealing ring (49); the outer side of the detection chamber (2) is fixedly installed with an igniter (46) with one end penetrating and extending to the inner side thereof; the inner side wall of the mixing chamber (1) is fixedly connected with a baffle (47); A conveying member (7) is provided on one side of the mixing bin (1).

2. A hydrogen combustion detector according to claim 1, characterized in that: An observation window (3) is fixedly connected to the front of the detection chamber (2), and the observation window (3) is an explosion-proof glass window. A pressure relief valve is fixedly installed on the outside of the air outlet pipe (45).

3. A hydrogen combustion detector according to claim 1, characterized in that: The inner wall of the detection chamber (2) is provided with an internal thread, and the outer side of the connection plate (43) is provided with a first external thread, and the first external thread and the internal thread cooperate with each other.

4. A hydrogen combustion detector according to claim 1, characterized in that: The lower end of the connection plate (43) is provided with a thread groove located outside the retaining frame (44); the retaining frame (44) is cylindrical; the outer side of the retaining frame (44) is provided with a second external thread; the second external thread cooperates with the thread groove.

5. A hydrogen combustion detector according to claim 1, characterized in that: The number of the baffles (47) is several, and the several baffles (47) are distributed on the inner top wall and the inner bottom wall of the mixing bin (1) in an up-down staggered manner.

6. A hydrogen combustion detector according to claim 1, characterized in that: The conveying member (7) comprises an air pump (72) having one end fixedly connected to one side of the mixing bin (1); the air inlet end of the air pump (72) is connected to an air inlet hose (73); the air outlet end of the air pump (72) is connected to an exhaust pipe (71) having one end penetrating through and extending to the inside of the mixing bin (1).

7. A hydrogen combustion detector according to claim 6, characterized in that: The outlet end of the exhaust pipe (71) is connected to the right side of the rightmost baffle (47) and the other side of the mixing chamber (1) is connected to an air intake pipe (6), and a control valve is fixedly installed on the outside of the air intake pipe (6).

Images