CN104280425A - Gas detector - Google Patents
Gas detector Download PDFInfo
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- CN104280425A CN104280425A CN201410553640.5A CN201410553640A CN104280425A CN 104280425 A CN104280425 A CN 104280425A CN 201410553640 A CN201410553640 A CN 201410553640A CN 104280425 A CN104280425 A CN 104280425A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 66
- 239000000565 sealant Substances 0.000 claims 2
- 230000006698 induction Effects 0.000 abstract description 29
- 238000001514 detection method Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 11
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
Description
技术领域 technical field
本发明属于探测技术领域，具体涉及一种气体探测器。 The invention belongs to the technical field of detection, and in particular relates to a gas detector.
背景技术 Background technique
随着人们生活水平的提高，煤气液化气等使用也逐渐增多，为了提高燃气的使用安全性，一般都需要安装气体探测器，现有技术的气体探测器主要是由传感器模块和变送器模块组成，其虽然可以一定程度上实现气体探测的目的，然而其结构较为复杂且容易产生错误的探测信息，一定程度上影响气体检测的精度和检测的稳定性，同时成本也较高，适用性受到影响，难以满足市场的需求。 With the improvement of people's living standards, the use of coal gas, liquefied petroleum gas, etc. is gradually increasing. In order to improve the safety of gas use, it is generally necessary to install gas detectors. The gas detectors in the prior art are mainly composed of sensor modules and transmitter modules. Although it can achieve the purpose of gas detection to a certain extent, its structure is relatively complicated and it is easy to generate wrong detection information, which affects the accuracy and stability of gas detection to a certain extent. At the same time, the cost is high and the applicability is limited. It is difficult to meet the demand of the market.
发明内容 Contents of the invention
本发明的目的是提供一种结构简单、使用稳定性好且检测精度高的气体探测器。 The object of the present invention is to provide a gas detector with simple structure, good stability in use and high detection accuracy.
实现本发明目的的技术方案是一种气体探测器，包括壳体，在所述壳体内设有感应室和变送室，在所述感应室内设有感应电路板，在所述变送室内设有变送电路板，在所述感应室与变送室之间设有传动通道，在所述感应室内设有与所述感应电路板输出端相连接的传动转盘，在所述传动转盘的外圆面上设有齿轮，在所述传动通道内设有传动丝杆，所述传动丝杆与所述传动转盘的齿轮相配合且所述传动丝杆在所述齿轮的作用下在传动通道内移动，所述变送室内设有与所述变送电路板输入端相连接的信号触块，所述信号触块与所述传动丝杆的端部活动抵接设置。 The technical solution to achieve the purpose of the present invention is a gas detector, including a housing, an induction chamber and a transmission chamber are arranged in the housing, an induction circuit board is arranged in the induction chamber, and an induction circuit board is arranged in the transmission chamber. There is a transmission circuit board, a transmission channel is set between the induction chamber and the transmission chamber, and a transmission turntable connected with the output end of the induction circuit board is arranged in the induction chamber. A gear is arranged on the circular surface, and a transmission screw is arranged in the transmission channel, and the transmission screw is matched with the gear of the transmission turntable, and the transmission screw is in the transmission channel under the action of the gear. Moving, the transmission chamber is provided with a signal contact block connected to the input end of the transmission circuit board, and the signal contact block is set in movable contact with the end of the transmission screw rod.
所述感应电路板上设有感应电路、与所述感应电路相连接的放大电路和与所述放大电路相连接的驱动电路，所述驱动电路与所述传动转盘的中心轴相连接，所述传动转盘在所述驱动电路的驱动下以中心轴为中心旋转。 An induction circuit, an amplification circuit connected to the induction circuit, and a driving circuit connected to the amplification circuit are arranged on the induction circuit board, the driving circuit is connected to the central axis of the transmission turntable, and the Driven by the driving circuit, the transmission turntable rotates around the central axis.
在所述变送电路板上设有信号输入电路、与所述信号输入电路相连接的处理电路、与所述处理电路相连接的传送电路，所述信号输入电路与所述信号触块相连接。 A signal input circuit, a processing circuit connected to the signal input circuit, and a transmission circuit connected to the processing circuit are arranged on the transmission circuit board, and the signal input circuit is connected to the signal contact block .
在所述传动通道内壁设有密封层，所述传动丝杆的外壁抵接在密封层上。 A sealing layer is provided on the inner wall of the transmission channel, and the outer wall of the driving screw rod abuts on the sealing layer.
本发明具有积极的效果： 本发明的结构简单，将感应室和变送室隔离设置，并且通过传动转盘、传动丝杆和信号触块进行信号传递，可有效的避免变送室与气体相接触，一定程度上提高了使用安全性，同时可有效的避免感应室的错误传感信号，一定程度上提高了使用稳定性，而且可以有效的感应信号被干扰，一定程度上提高了检测精度高，适用性好，实用性强。 The present invention has positive effects: The structure of the present invention is simple, the induction chamber and the transmission chamber are isolated, and the signal is transmitted through the transmission turntable, the transmission screw and the signal contact block, which can effectively prevent the transmission chamber from being in contact with the gas , to a certain extent, the safety of use is improved, and at the same time, it can effectively avoid the wrong sensing signal of the sensing room, improve the stability of use to a certain extent, and can effectively sense the interference of the signal, and improve the detection accuracy to a certain extent. Good applicability and strong practicability.
附图说明 Description of drawings
为了使本发明的内容更容易被清楚的理解，下面根据具体实施例并结合附图，对本发明作进一步详细的说明，其中： In order to make the content of the present invention more easily understood, the present invention will be described in further detail below according to specific embodiments in conjunction with the accompanying drawings, wherein:
图1为本发明的结构示意图。 Fig. 1 is a structural schematic diagram of the present invention.
具体实施方式 Detailed ways
（实施例1） (Example 1)
图1显示了本发明的一种具体实施方式，其中图1为本发明的结构示意图。 Fig. 1 shows a specific embodiment of the present invention, wherein Fig. 1 is a schematic structural diagram of the present invention.
见图1，一种气体探测器，包括壳体1，在所述壳体1内设有感应室2和变送室3，在所述感应室2内设有感应电路板4，在所述变送室3内设有变送电路板5，在所述感应室2与变送室3之间设有传动通道6，在所述感应室2内设有与所述感应电路板4输出端相连接的传动转盘7，在所述传动转盘7的外圆面上设有齿轮8，在所述传动通道6内设有传动丝杆9，所述传动丝杆9与所述传动转盘7的齿轮8相配合且所述传动丝杆9在所述齿轮8的作用下在传动通道6内移动，所述变送室3内设有与所述变送电路板5输入端相连接的信号触块10，所述信号触块10与所述传动丝杆9的端部活动抵接设置。 As shown in Fig. 1, a gas detector includes a casing 1, an induction chamber 2 and a transmission chamber 3 are arranged in the casing 1, an induction circuit board 4 is arranged in the induction chamber 2, and an induction circuit board 4 is arranged in the induction chamber 2. A transmission circuit board 5 is provided in the transmission chamber 3, a transmission channel 6 is provided between the induction chamber 2 and the transmission chamber 3, and an output terminal connected to the induction circuit board 4 is provided in the induction chamber 2. The transmission turntable 7 that is connected is provided with a gear 8 on the outer surface of the transmission turntable 7, and a transmission screw mandrel 9 is arranged in the transmission channel 6, and the transmission screw mandrel 9 and the transmission turntable 7 The gear 8 cooperates and the transmission screw 9 moves in the transmission channel 6 under the action of the gear 8, and the signal contact connected to the input end of the transmission circuit board 5 is arranged in the transmission chamber 3 Block 10, the signal contact block 10 is set in movable abutment with the end of the drive screw 9.
所述感应电路板4上设有感应电路41、与所述感应电路41相连接的放大电路42和与所述放大电路42相连接的驱动电路43，所述驱动电路43与所述传动转盘7的中心轴11相连接，所述传动转盘7在所述驱动电路43的驱动下以中心轴11为中心旋转。 The induction circuit board 4 is provided with an induction circuit 41, an amplification circuit 42 connected to the induction circuit 41 and a driving circuit 43 connected to the amplification circuit 42, and the driving circuit 43 is connected to the transmission turntable 7 The transmission turntable 7 is driven by the driving circuit 43 to rotate around the central axis 11 .
在所述变送电路板5上设有信号输入电路51、与所述信号输入电路51相连接的处理电路52、与所述处理电路52相连接的传送电路53，所述信号输入电路51与所述信号触块10相连接。 A signal input circuit 51, a processing circuit 52 connected to the signal input circuit 51, and a transmission circuit 53 connected to the processing circuit 52 are arranged on the transmission circuit board 5, and the signal input circuit 51 and The signal contact blocks 10 are connected.
在所述传动通道6内壁设有密封层12，所述传动丝杆9的外壁抵接在密封层12上。 A sealing layer 12 is provided on the inner wall of the transmission channel 6 , and the outer wall of the driving screw 9 abuts against the sealing layer 12 .
将感应室和变送室隔离设置，并且通过传动转盘、传动丝杆和信号触块进行信号传递，可有效的避免变送室与气体相接触，一定程度上提高了使用安全性，同时可有效的避免感应室的错误传感信号，一定程度上提高了使用稳定性，而且可以有效的感应信号被干扰，一定程度上提高了检测精度高，适用性好，实用性强。 The induction room and the transmission room are isolated, and the signal is transmitted through the transmission turntable, the transmission screw and the signal contact block, which can effectively prevent the transmission room from being in contact with the gas, which improves the safety of use to a certain extent, and can effectively The avoidance of wrong sensing signals in the sensing chamber improves the stability of use to a certain extent, and can effectively sense signal interference, which improves the detection accuracy to a certain extent, high applicability, and strong practicability.
显然，本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而这些属于本发明的实质精神所引伸出的显而易见的变化或变动仍属于本发明的保护范围。 Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. However, the obvious changes or changes derived from the essential spirit of the present invention still belong to the protection scope of the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553640.5A CN104280425A (en) | 2014-10-20 | 2014-10-20 | Gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553640.5A CN104280425A (en) | 2014-10-20 | 2014-10-20 | Gas detector |
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| CN104280425A true CN104280425A (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410553640.5A Pending CN104280425A (en) | 2014-10-20 | 2014-10-20 | Gas detector |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5495747A (en) * | 1994-09-30 | 1996-03-05 | Mine Safety Appliances Company | Device for detecting gases for use in diffusion and forced flow modes |
| CN2405221Y (en) * | 2000-01-27 | 2000-11-08 | 深圳安惠实业公司 | Intelligent type device for detecting combustible gas |
| CN201096745Y (en) * | 2007-10-16 | 2008-08-06 | 中国石油兰州石油化工公司 | Explosion separation zirconia oxygen analyzer |
| CN201600350U (en) * | 2009-12-22 | 2010-10-06 | 宇星科技发展(深圳)有限公司 | Anti-explosion type gas detection transducer |
| CN203658291U (en) * | 2013-11-06 | 2014-06-18 | 北京科力强电子有限公司 | Point type combustible gas detector |
-
2014
- 2014-10-20 CN CN201410553640.5A patent/CN104280425A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5495747A (en) * | 1994-09-30 | 1996-03-05 | Mine Safety Appliances Company | Device for detecting gases for use in diffusion and forced flow modes |
| CN2405221Y (en) * | 2000-01-27 | 2000-11-08 | 深圳安惠实业公司 | Intelligent type device for detecting combustible gas |
| CN201096745Y (en) * | 2007-10-16 | 2008-08-06 | 中国石油兰州石油化工公司 | Explosion separation zirconia oxygen analyzer |
| CN201600350U (en) * | 2009-12-22 | 2010-10-06 | 宇星科技发展(深圳)有限公司 | Anti-explosion type gas detection transducer |
| CN203658291U (en) * | 2013-11-06 | 2014-06-18 | 北京科力强电子有限公司 | Point type combustible gas detector |
Non-Patent Citations (2)
| Title |
|---|
| 谢子殿 等.: "《基于氢传感器的管道泄漏检测仪电路设计》", 《中国仪器仪表》 * |
| 钱胜斌 等.: "《燃气泄露检测的CO -CH4气体变送器》", 《仪器技术与传感器》 * |
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Application publication date: 20150114 |