CN210777015U - A propane gas alarm device - Google Patents
A propane gas alarm device Download PDFInfo
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- CN210777015U CN210777015U CN201922454744.1U CN201922454744U CN210777015U CN 210777015 U CN210777015 U CN 210777015U CN 201922454744 U CN201922454744 U CN 201922454744U CN 210777015 U CN210777015 U CN 210777015U
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- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000001294 propane Substances 0.000 title claims abstract description 14
- 230000003321 amplification Effects 0.000 claims abstract description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 24
- 101710179734 6,7-dimethyl-8-ribityllumazine synthase 2 Proteins 0.000 claims 2
- 101710186609 Lipoyl synthase 2 Proteins 0.000 claims 2
- 101710122908 Lipoyl synthase 2, chloroplastic Proteins 0.000 claims 2
- 101710101072 Lipoyl synthase 2, mitochondrial Proteins 0.000 claims 2
- 230000000007 visual effect Effects 0.000 claims 2
- 101710179738 6,7-dimethyl-8-ribityllumazine synthase 1 Proteins 0.000 claims 1
- 101710186608 Lipoyl synthase 1 Proteins 0.000 claims 1
- 101710137584 Lipoyl synthase 1, chloroplastic Proteins 0.000 claims 1
- 101710090391 Lipoyl synthase 1, mitochondrial Proteins 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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Abstract
本实用新型公开一种丙烷气体报警装置，包括依次连接的丙烷传感器、信号放大电路、A/D转换电路、单片机和报警电路，所述的报警电路包括两级电路，第一级电路为与单片机连接的声光报警电路，第二级为与声光报警电路连接的音频放大报警电路。本实用新型的报警装置采用两级的报警电路，增大了信号音量和功率，电路结构简单，放大效果明显，实用性强。
The utility model discloses a propane gas alarm device, which comprises a propane sensor, a signal amplification circuit, an A/D conversion circuit, a single-chip microcomputer and an alarm circuit which are connected in sequence. The connected sound and light alarm circuit, the second stage is the audio amplification alarm circuit connected with the sound and light alarm circuit. The alarm device of the utility model adopts a two-stage alarm circuit, which increases the signal volume and power, has simple circuit structure, obvious amplification effect and strong practicability.
Description
技术领域technical field
本实用新型涉及电力电子技术领域，尤其涉及一种丙烷气体报警装置。The utility model relates to the technical field of power electronics, in particular to a propane gas alarm device.
背景技术Background technique
声光报警器是一种用在危险场所，当现场发生险情或紧急情况时，通过声光来向人们发出警示信号。常见的电子报警器是音频报警器，报警的音频信号音量的大小对警示效果有着显著的影响。在一些噪声较大的工作车间，有的安装的一些报警装置上的喇叭声音太小，而在嘈杂的车间内，有可能距离远一些的工人听不到报警器的声音，不能够及早发现事故隐患，采取有效措施，避免事故的发生，确保工业生产和人们生活的安全。Sound and light alarm is a kind of warning signal used in dangerous places. A common electronic alarm is an audio alarm, and the volume of the audio signal of the alarm has a significant impact on the warning effect. In some noisy workshops, the sound of the horns installed on some alarm devices is too low, and in noisy workshops, workers who may be farther away may not be able to hear the sound of the alarm, so they cannot find the accident early. Hidden dangers, take effective measures to avoid accidents and ensure the safety of industrial production and people's lives.
实用新型内容Utility model content
为解决上述问题，提供一种丙烷气体报警装置。In order to solve the above problems, a propane gas alarm device is provided.
本实用新型的目的是以下述方式实现的：The purpose of this utility model is to realize in the following way:
一种丙烷气体报警装置，包括依次连接的丙烷传感器、信号放大电路、A/D转换电路、单片机和报警电路，所述的报警电路包括两级电路，第一级电路为与单片机连接的声光报警电路，第二级为与声光报警电路连接的音频放大报警电路。A propane gas alarm device, comprising a propane sensor, a signal amplifying circuit, an A/D conversion circuit, a single-chip microcomputer and an alarm circuit connected in sequence, the alarm circuit includes a two-stage circuit, and the first-stage circuit is a sound and light connected with the single-chip microcomputer Alarm circuit, the second level is an audio amplifying alarm circuit connected with the sound and light alarm circuit.
所述的声光报警电路包括第一喇叭LS1、三极管Q、第九电阻R9、第十电阻R10、第十一电阻R11、第一二极管D1和第二二极管D2；所述的第十电阻R10的一端与单片机连接，另一端与三极管Q的基极连接，三极管Q的集电极与地线连接，三极管Q的发射极分别与第一二极管D1的阴极和第二二极管D2的阴极连接，第一二极管D1的阳极与第九电阻R9的一端连接，第九电阻R9的另一端分别与电源和第十一电阻R11的一端连接，第十一电阻R11的另一端和第二二极管D2的阳极分别与第一喇叭的第一、第二输入端连接。The sound and light alarm circuit includes a first horn LS1, a transistor Q, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a first diode D1 and a second diode D2; One end of the ten-resistor R10 is connected to the microcontroller, the other end is connected to the base of the transistor Q, the collector of the transistor Q is connected to the ground, and the emitter of the transistor Q is connected to the cathode of the first diode D1 and the second diode respectively. The cathode of D2 is connected, the anode of the first diode D1 is connected to one end of the ninth resistor R9, the other end of the ninth resistor R9 is connected to the power supply and one end of the eleventh resistor R11 respectively, and the other end of the eleventh resistor R11 and anodes of the second diode D2 are respectively connected to the first and second input ends of the first speaker.
所述的音频放大报警电路包括与第一喇叭输入连接的第一输入端和与第一喇叭第二输入端连接的第二输入端，第一输入端依次经过第一电容C1和第一电阻R1后分别与第一放大器A1的负输入端、第三电阻R3的一端相连接，第三电阻R3的另一端经过第三电容C3后分别与第八电阻R8的一端、第二喇叭LS2的第一输入端相连接，第二输入端依次经过第二电容C2和第二电阻R2后分别与第一放大器A1的正输入端、第四电阻R4的一端相连接，第四电阻R4的另一端分别与第四电容C4的一端、第六电容C6的一端相连接，第四电容C4的另一端接地，第六电容C6的另一端经过第六电阻R6后与第二放大器A2的正输入端相连接，第一放大器A1的输出端经过第五电容C5后分别与第八电阻R8的另一端、第五电阻R5的一端相连接，第五电阻R5的另一端分别与第二放大器A2的负输入端、第七电阻R7的一端相连接，第二放大器A2的输出端分别与第七电阻R7的另一端、第二喇叭LS2的第二输入端相连接。The audio amplifying alarm circuit includes a first input terminal connected to the first speaker input and a second input terminal connected to the second input terminal of the first speaker. The first input terminal passes through the first capacitor C1 and the first resistor R1 in sequence. Then, it is respectively connected with the negative input end of the first amplifier A1 and one end of the third resistor R3, and the other end of the third resistor R3 passes through the third capacitor C3 and is respectively connected with one end of the eighth resistor R8 and the first end of the second speaker LS2. The input terminals are connected, and the second input terminal is connected to the positive input terminal of the first amplifier A1 and one end of the fourth resistor R4 after passing through the second capacitor C2 and the second resistor R2 in sequence, and the other end of the fourth resistor R4 is respectively connected to the One end of the fourth capacitor C4 and one end of the sixth capacitor C6 are connected, the other end of the fourth capacitor C4 is grounded, and the other end of the sixth capacitor C6 is connected to the positive input end of the second amplifier A2 after passing through the sixth resistor R6, The output end of the first amplifier A1 is respectively connected to the other end of the eighth resistor R8 and one end of the fifth resistor R5 after passing through the fifth capacitor C5, and the other end of the fifth resistor R5 is respectively connected to the negative input end of the second amplifier A2, One end of the seventh resistor R7 is connected, and the output end of the second amplifier A2 is respectively connected to the other end of the seventh resistor R7 and the second input end of the second speaker LS2.
所述的第一放大器和第二放大器均为LM358。The first amplifier and the second amplifier are both LM358.
本实用新型的有益效果：相对于现有技术，本实用新型的报警装置采用两级的报警电路，增大了信号音量和功率，电路结构简单，放大效果明显，实用性强。The beneficial effects of the utility model: compared with the prior art, the alarm device of the present utility model adopts a two-level alarm circuit, which increases the signal volume and power, and has a simple circuit structure, obvious amplification effect and strong practicability.
附图说明Description of drawings
图1是本实用新型的电路示意图。FIG. 1 is a schematic circuit diagram of the present invention.
具体实施方式Detailed ways
下面结合附图和具体实施方式对本实用新型作进一步详细的说明。The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.
应该指出，以下详细说明都是例式性的，旨在对本申请提供进一步的说明。除非另有指明，本文使用的所有技术和科学术语具有与本申请所属技术领域的普通技术人员通常理解的技术含义相同。It should be noted that the following detailed description is exemplary and intended to provide further explanation of the application. Unless otherwise defined, all technical and scientific terms used herein have the same technical meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本申请的示例性实施方式。如在这里所使用的的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, and it should also be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.
一种丙烷气体报警装置，包括依次连接的丙烷传感器、信号放大电路、A/D转换电路、单片机和报警电路，所述的报警电路包括两级电路，第一级电路为与单片机连接的声光报警电路，第二级为与声光报警电路连接的音频放大报警电路。A propane gas alarm device, comprising a propane sensor, a signal amplifying circuit, an A/D conversion circuit, a single-chip microcomputer and an alarm circuit connected in sequence, the alarm circuit includes a two-stage circuit, and the first-stage circuit is a sound and light connected with the single-chip microcomputer Alarm circuit, the second level is an audio amplifying alarm circuit connected with the sound and light alarm circuit.
所述的声光报警电路包括第一喇叭、三极管Q、第九电阻R9、第十电阻R10、第十一电阻R11、第一二极管D1和第二二极管D2；所述的第十电阻R10的一端与单片机连接，另一端与三极管Q的基极连接，三极管Q的集电极与地线连接，三极管Q的发射极分别与第一二极管D1的阴极和第二二极管D2的阴极连接，第一二极管D1的阳极与第九电阻R9的一端连接，第九电阻R9的另一端分别与电源和第十一电阻R11的一端连接，第十一电阻R11的另一端和第二二极管D2的阳极分别与第一喇叭的第一、第二输入端连接。The sound and light alarm circuit includes a first horn, a transistor Q, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a first diode D1 and a second diode D2; the tenth One end of the resistor R10 is connected to the microcontroller, the other end is connected to the base of the transistor Q, the collector of the transistor Q is connected to the ground, and the emitter of the transistor Q is connected to the cathode of the first diode D1 and the second diode D2 respectively. The cathode of the first diode D1 is connected to one end of the ninth resistor R9, the other end of the ninth resistor R9 is connected to the power supply and one end of the eleventh resistor R11, and the other end of the eleventh resistor R11 and The anodes of the second diode D2 are respectively connected to the first and second input terminals of the first speaker.
所述的音频放大报警电路包括与第一喇叭输入连接的第一输入端和与第一喇叭第二输入端连接的第二输入端，第一输入端依次经过第一电容C1和第一电阻R1后分别与第一放大器A1的负输入端、第三电阻R3的一端相连接，第三电阻R3的另一端经过第三电容C3后分别与第八电阻R8的一端、第二喇叭的第一输入端相连接，第二输入端依次经过第二电容C2和第二电阻R2后分别与第一放大器A1的正输入端、第四电阻R4的一端相连接，第四电阻R4的另一端分别与第四电容C4的一端、第六电容C6的一端相连接，第四电容C4的另一端接地，第六电容C6的另一端经过第六电阻R6后与第二放大器A2的正输入端相连接，第一放大器A1的输出端经过第五电容C5后分别与第八电阻R8的另一端、第五电阻R5的一端相连接，第五电阻R5的另一端分别与第二放大器A2的负输入端、第七电阻R7的一端相连接，第二放大器A2的输出端分别与第七电阻R7的另一端、第二喇叭的第二输入端相连接。The audio amplifying alarm circuit includes a first input terminal connected to the first speaker input and a second input terminal connected to the second input terminal of the first speaker. The first input terminal passes through the first capacitor C1 and the first resistor R1 in sequence. After that, it is respectively connected with the negative input end of the first amplifier A1 and one end of the third resistor R3. The other end of the third resistor R3 passes through the third capacitor C3 and is respectively connected with one end of the eighth resistor R8 and the first input of the second speaker. The second input terminal is connected to the positive input terminal of the first amplifier A1 and one end of the fourth resistor R4 after passing through the second capacitor C2 and the second resistor R2 in sequence, and the other end of the fourth resistor R4 is respectively connected to the first amplifier A1. One end of the fourth capacitor C4 and one end of the sixth capacitor C6 are connected, the other end of the fourth capacitor C4 is grounded, and the other end of the sixth capacitor C6 is connected to the positive input end of the second amplifier A2 after passing through the sixth resistor R6. The output end of an amplifier A1 is connected to the other end of the eighth resistor R8 and one end of the fifth resistor R5 respectively after passing through the fifth capacitor C5, and the other end of the fifth resistor R5 is respectively connected to the negative input end of the second amplifier A2, the first end of the fifth resistor R5 One end of the seventh resistor R7 is connected to each other, and the output end of the second amplifier A2 is respectively connected to the other end of the seventh resistor R7 and the second input end of the second speaker.
所述的第一放大器和第二放大器均为LM358。The first amplifier and the second amplifier are both LM358.
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included within the protection scope of this application.
上述虽然结合附图对本发明的具体实施方式进行了描述，但并非对本实用新型保护范围的限制，所属领域技术人员应该明白，在本实用新型的技术方案的基础上，本领域技术人员不需要付出创造性劳动即可做出的各种修改或变形仍在本发明的保护范围以内。Although the specific embodiments of the present invention have been described above in conjunction with the accompanying drawings, they do not limit the scope of protection of the present invention. Those skilled in the art should understand that on the basis of the technical solutions of the present invention, those skilled in the art do not need to pay Various modifications or deformations that can be made by creative work still fall within the protection scope of the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922454744.1U CN210777015U (en) | 2019-12-30 | 2019-12-30 | A propane gas alarm device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922454744.1U CN210777015U (en) | 2019-12-30 | 2019-12-30 | A propane gas alarm device |
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| CN210777015U true CN210777015U (en) | 2020-06-16 |
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| CN201922454744.1U Expired - Fee Related CN210777015U (en) | 2019-12-30 | 2019-12-30 | A propane gas alarm device |
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