Mixed gas concentration detection alarm device
The mixed gas concentration detection system addresses the limitations of single-gas detectors by enabling simultaneous, efficient, and compact multi-gas monitoring with real-time alerts, suitable for industrial applications.
Patent Information
- Application Number
- CN202421695884.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-07-17
AI Technical Summary
Existing gas alarms can only detect a single gas and cannot monitor multiple gases at the same time. The equipment occupies a large space and is costly, making it difficult to intuitively reflect the gas concentration.
A mixed gas concentration detection and alarm device is designed, through a shunt detection box, intake drain pipe, transit drain pipe, exhaust drain pipe, detection inner box, detection sensor, exhaust pump and communication structure, the repulsive magnet and telescopic inner shaft pipe are used to achieve flexible communication and detection of gas, and combined with a microprocessor and a liquid crystal display to provide real-time information.
It realizes efficient and accurate detection of a variety of gases, the system is compact and space-saving, reduces maintenance costs, ensures safety and reliability, provides real-time environmental information, and facilitates personnel evacuation and maintenance.
Smart Images

Figure CN223107764U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas concentration detection, in particular to a mixed gas concentration detection and alarm device. Background Technique
[0002] In recent years, with the rapid growth of China's economy and the acceleration of the urbanization pace, the environmental pollution problems we face have become increasingly prominent. Among them, the atmospheric environmental pollution is particularly serious, which has had a huge impact on our production and life. In particular, the emission of pollutants such as industrial waste gas has become a key task in the current atmospheric environment monitoring and governance.
[0003] In the industrial field, the emission of harmful gases such as nitrogen oxides and sulfides is not only likely to cause acid rain, resulting in soil acidification and damaging agricultural production, but also may cause long-term damage to the ecological environment. At the same time, greenhouse gases such as hydrocarbons and carbon oxides in automobile exhaust exacerbate the greenhouse effect and pose a serious threat to the global ecological environment.
[0004] In addition, the real-time monitoring of dangerous gases such as inflammable and explosive gases is an indispensable part to ensure industrial production safety. However, the gas alarms on the current market have limitations in function. They can often only detect single gases, cannot monitor multiple gases simultaneously, and it is difficult to intuitively reflect the gas concentration. If multiple gases need to be detected, not only the cost is high, but also the required equipment occupies a large space, bringing many inconveniences to the actual application. In view of this, in-depth research on the above problems has led to the generation of this case. Content of the Utility Model
[0005] Aiming at the deficiencies of the prior art, the utility model provides a mixed gas concentration detection and alarm device, which solves some problems in the existing background technology.
[0006] To achieve the above purpose, the utility model is realized through the following technical solutions: A mixed gas concentration detection and alarm device, comprising: a shunt detection box, a plurality of intake diversion pipes, a plurality of transfer diversion pipes, a plurality of exhaust diversion pipes, a plurality of detection inner boxes, a plurality of detection sensors, a shunt exhaust pipe, an exhaust air pump and a connection structure. The plurality of intake diversion pipes are uniformly inserted into the inner side of the shunt detection box. The shunt exhaust pipe is inserted into the shunt detection box. The plurality of exhaust diversion pipes are installed on the shunt exhaust pipe. The plurality of transfer diversion pipes are respectively inserted into the plurality of detection inner boxes, and the plurality of transfer diversion pipes are respectively connected to the plurality of intake diversion pipes and the plurality of exhaust diversion pipes through the connection structure. The plurality of detection sensors are respectively installed inside the plurality of detection inner boxes. The exhaust air pump is installed on the shunt exhaust pipe;
[0007] The connection structure includes: a number of telescopic inner shaft tubes, a number of telescopic sleeve shaft tubes, a number of repulsive magnets, a number of repulsive sleeve rings, a pair of expansion gear sets, a pair of expansion drives, a number of linear bearings, and a number of telescopic limit inner rings;
[0008] A number of the telescopic inner shaft tubes are respectively movably inserted into the inside of the transfer diversion tube through a number of linear bearings. A number of the telescopic sleeve shaft tubes are respectively movably sleeved on a number of the transfer diversion tubes through bearings. A number of the repulsive sleeve rings are respectively sleeved on a number of the telescopic inner shaft tubes. A number of the repulsive magnets are respectively installed on a number of the repulsive sleeve rings and a number of the telescopic sleeve shaft tubes, and a number of the repulsive magnets are respectively cross-inserted into a number of the telescopic sleeve shaft tubes. A pair of the expansion gear sets are respectively sleeved on a number of the repulsive sleeve rings. A pair of the expansion drives are installed inside the flow splitting detection box, and driving ends of the pair of the expansion drives are respectively connected to the pair of the expansion gear sets. A number of the telescopic limit inner rings are respectively installed inside a number of the intake diversion tubes and a number of the exhaust diversion tubes.
[0009] Preferably, pressure release valves are respectively arranged inside a number of the intake diversion tubes and a number of the exhaust diversion tubes, and extrusion brackets are respectively arranged inside a number of the telescopic inner shaft tubes.
[0010] Preferably, ring rubber gaskets are respectively arranged on a number of the telescopic limit inner rings, and flow sensors are respectively arranged inside a number of the transfer diversion tubes.
[0011] Preferably, a number of alarms are arranged on the flow splitting detection box.
[0012] Preferably, an explosion-proof housing is arranged outside the flow splitting detection box.
[0013] Preferably, a microprocessor and a liquid crystal display are arranged on the flow splitting detection box.
[0014] The utility model provides a mixed gas concentration detection and alarm device, which has the following beneficial effects: through the exhaust air extraction pump, the system can quickly and effectively drain the gas inside the shunt exhaust pipe, ensuring smooth and efficient gas flow; by using the adsorption or repulsion effect of the repulsive magnet, the telescopic inner shaft tube can be horizontally telescoped along the inside of the transfer drainage tube as needed, realizing flexible connection with the exhaust drainage tube, intake drainage tube, etc.; the system can connect the telescopic inner shaft tube, transfer drainage tube, intake drainage tube and exhaust drainage tube one by one, so as to realize the detection of gas one by one, ensuring the accuracy and reliability of detection; the whole system is compactly designed and the cooperation between components is tight, which not only saves space, but also improves the overall performance and stability of the system; through precise control and adjustment, the system ensures the safety and reliability of gas drainage and detection. When the concentration of harmful gas in the air is higher than the set value, the system can timely remind personnel to evacuate to ensure personnel safety; the system can intuitively display the toxic and harmful concentration situation in the area, providing real-time environmental information for personnel and facilitating the adoption of corresponding measures; the system adopts a modular design, and each component is relatively independent, which is convenient for maintenance and replacement and reduces the maintenance cost; the system is applicable to various scenarios requiring gas drainage and detection, such as chemical industry, medical treatment, environmental protection and other fields, and has a wide application prospect. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 FIG. is a front sectional view of the mixed gas concentration detection and alarm device described in the present utility model.
[0016] Figure 2 is Figure 1 a partial enlarged view of "A" in
[0017] In the figure: 1, shunt detection box; 2, intake drainage tube; 3, transfer drainage tube; 4, exhaust drainage tube; 5, detection inner box; 6, detection sensor; 7, shunt exhaust pipe; 8, exhaust air extraction pump; 9, telescopic inner shaft tube; 10, telescopic sleeve shaft tube; 11, repulsive magnet; 12, repulsive sleeve ring; 13, extended gear set; 14, extended drive; 15, linear bearing; 16, telescopic limit inner ring; 17, pressure release valve; 18, extrusion bracket. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0019] Persons in the art shall connect all the electrical components in this case to their adapted power supplies through wires, and appropriate controllers and encoders should be selected according to the actual situation to meet the control requirements. For the specific connection and control sequence, refer to the sequence of operation among the electrical components in the following working principle to complete the electrical connection. The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process, and no further description of electrical control will be given.
[0020] Embodiment
[0021] As Figure 1-2 shown, a plurality of the intake diversion tubes 2 are evenly inserted inside the diversion detection box 1, the diversion exhaust pipe 7 is inserted on the diversion detection box 1, a plurality of the exhaust diversion tubes 4 are installed on the diversion exhaust pipe 7, a plurality of the transfer diversion tubes 3 are respectively inserted on a plurality of the inner detection boxes 5, and the plurality of the transfer diversion tubes 3 are respectively connected to the plurality of the intake diversion tubes 2 and the plurality of the exhaust diversion tubes 4 through a connection structure. A plurality of the detection sensors 6 are respectively installed inside the plurality of the inner detection boxes 5, and the exhaust air extraction pump 8 is installed on the diversion exhaust pipe 7;
[0022] Specifically, the connection structure includes: a plurality of telescopic inner shaft tubes 9, a plurality of telescopic sleeve shaft tubes 10, a plurality of repelling magnets 11, a plurality of repelling sleeve rings 12, a pair of extended gear sets 13, a pair of extended driving motors 14, a plurality of linear bearings 15, and a plurality of telescopic limiting inner rings 16;
[0023] Specifically, the plurality of telescopic inner shaft tubes 9 are respectively inserted inside the transfer diversion tubes 3 through the plurality of linear bearings 15 in a movable manner, the plurality of telescopic sleeve shaft tubes 10 are respectively sleeved on the plurality of transfer diversion tubes 3 through bearings, the plurality of repelling sleeve rings 12 are respectively sleeved on the plurality of telescopic inner shaft tubes 9, the plurality of repelling magnets 11 are respectively installed on the plurality of repelling sleeve rings 12 and the plurality of telescopic sleeve shaft tubes 10, and the plurality of repelling magnets 11 are respectively inserted into the plurality of telescopic sleeve shaft tubes 10 in a cross manner. A pair of the extended gear sets 13 are respectively sleeved on the plurality of repelling sleeve rings 12, a pair of the extended driving motors 14 are installed inside the diversion detection box 1, and the driving ends of the pair of the extended driving motors 14 are respectively connected to the pair of the extended gear sets 13. The plurality of telescopic limiting inner rings 16 are respectively installed inside the plurality of intake diversion tubes 2 and the plurality of exhaust diversion tubes 4;
[0024] It should be noted that in the above, the gas inside the shunt exhaust pipe 7 is drained and discharged through the exhaust air pump 8. Under the negative pressure state, the intake air diversion pipe 2, the transfer diversion pipe 3, the exhaust air diversion pipe 4 and the detection inner box 5 after being connected are gas-diverted. A pair of expansion drive motors 14 operate, driving the expansion gear sets 13 on the drive ends of the pair of expansion drive motors 14. Through the pair of expansion gear sets 13, a plurality of expansion sleeve rings thereon are respectively driven to rotate. Due to the different rotation angles of the pair of expansion gear sets 13, the repulsion sleeve rings 12 thereon are driven to rotate one by one through the expansion gear sets 13, thereby changing the magnetic poles of the repulsion magnets 11 on the sleeve rings, and thus changing the magnetic poles of the repulsion magnets 11 on the repulsion magnets 11 facing the telescopic sleeve shaft tube 10, so as to achieve the effect of adsorption or repulsion. Through the repulsion, the repulsion sleeve rings 12 thereon are driven, and through the repulsion sleeve rings 12, the telescopic inner shaft tube 9 thereon is driven to horizontally expand and contract along the inside of the transfer diversion pipe 3, so as to insert a plurality of telescopic inner shaft tubes 9 into the inside of a plurality of exhaust air diversion pipes 4 and a plurality of intake air diversion pipes 2 respectively, so as to connect the telescopic inner shaft tube 9, the transfer diversion pipe 3, the intake air diversion pipe 2 and the exhaust air diversion pipe 4, so as to connect a plurality of telescopic inner shaft tubes 9, a plurality of transfer diversion pipes 3, a plurality of intake air diversion pipes 2 and a plurality of exhaust air diversion pipes 4 one by one, and thus the gas is detected one by one. The structure is compact, safe and reliable, and can intuitively understand the concentration of toxic and harmful substances in the area. When the concentration of harmful gases in the air is higher than the set value, it can remind personnel to evacuate the scene in time. At the same time, the telescopic inner shaft tube 9 of the expansion is hermetically sealed by the telescopic limit inner ring 16.
[0025] As a preferred solution, further, pressure release valves 17 are respectively arranged inside a plurality of the intake air diversion pipes 2 and a plurality of the exhaust air diversion pipes 4, and extrusion brackets 18 are respectively arranged inside a plurality of the telescopic inner shaft tubes 9.
[0026] As a preferred solution, further, circular rubber rings are respectively arranged on a plurality of the telescopic limit inner rings 16, and flow sensors are respectively arranged inside a plurality of the transfer diversion pipes 3.
[0027] As a preferred solution, further, a plurality of alarms are arranged on the shunt detection box 1.
[0028] As a preferred solution, further, an explosion-proof housing is arranged on the outside of the shunt detection box 1.
[0029] As a preferred solution, further, a microprocessor and a liquid crystal display are arranged on the shunt detection box 1.
[0030] It should be noted that, in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising said element.
[0031] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A mixed gas concentration detection and alarm device, comprising: A shunt detection box, several intake diversion pipes, several transfer diversion pipes, several exhaust diversion pipes, several detection inner boxes, several detection sensors, a shunt exhaust pipe, an exhaust air extraction pump, and a connection structure, characterized in that several of the intake diversion pipes are evenly inserted inside the shunt detection box, the shunt exhaust pipe is inserted on the shunt detection box, several of the exhaust diversion pipes are installed on the shunt exhaust pipe, several of the transfer diversion pipes are respectively inserted on several of the detection inner boxes, and several of the transfer diversion pipes are respectively connected to several of the intake diversion pipes and several of the exhaust diversion pipes through the connection structure, several of the detection sensors are respectively installed inside several of the detection inner boxes, and the exhaust air extraction pump is installed on the shunt exhaust pipe; The connection structure includes: several telescopic inner shaft tubes, several telescopic sleeve shaft tubes, several repulsion magnets, several repulsion sleeve rings, a pair of expansion gear sets, a pair of expansion drives, several linear bearings, and several telescopic limit inner rings; Several of the telescopic inner shaft tubes are respectively inserted inside the transfer diversion pipes through several linear bearings, several of the telescopic sleeve shaft tubes are respectively sleeved on several of the transfer diversion pipes through bearings, several of the repulsion sleeve rings are respectively sleeved on several of the telescopic inner shaft tubes, several of the repulsion magnets are respectively installed on several of the repulsion sleeve rings and several of the telescopic sleeve shaft tubes, and several of the repulsion magnets are respectively inserted crosswise into several of the telescopic sleeve shaft tubes, a pair of the expansion gear sets are respectively sleeved on several of the repulsion sleeve rings, a pair of the expansion drives are installed inside the shunt detection box, and the driving ends of a pair of the expansion drives are respectively connected to a pair of the expansion gear sets, several of the telescopic limit inner rings are respectively installed inside several of the intake diversion pipes and several of the exhaust diversion pipes.
2. The gas mixture concentration detection and alarm device according to claim 1, characterized in that, Pressure - actuated valves are respectively arranged inside several of the intake diversion pipes and several of the exhaust diversion pipes, and extrusion brackets are respectively arranged inside several of the telescopic inner shaft tubes.
3. The gas mixture concentration detection and alarm device according to claim 2, wherein Ring rubber gaskets are respectively arranged on several of the telescopic limit inner rings, and flow sensors are respectively arranged inside several of the transfer diversion pipes.
4. The hybrid gas concentration detection and alarm device according to claim 3, characterized in that, Several alarms are arranged on the shunt detection box.
5. The gas mixture concentration detection and alarm device according to claim 4, characterized in that An explosion - proof housing is arranged outside the shunt detection box.
6. The gas mixture concentration detection and alarm device according to claim 5, characterized in that, A microprocessor and a liquid crystal display are arranged on the shunt detection box.