CN109936192A - A circuit structure for supplying power to electrical fire monitoring detectors - Google Patents
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Abstract
Description
技术领域technical field
本发明涉及电气火灾监控探测器领域，尤其涉及一种给电气火灾监控探测器供电的电路结构。The invention relates to the field of electrical fire monitoring detectors, in particular to a circuit structure for supplying power to electrical fire monitoring detectors.
背景技术Background technique
随着城乡电网建设突飞猛进，输配电线路纵横交错，基本上消除了无电村和无电户。随着人们的生活水平不断提高，用电负荷也在不断攀升，电给国家和社会带来了繁荣，给人们生活带来了幸福。但是，随之而来的电网运行安全隐患也在不断出现，在配电线路运行故障中，因输电线路过负荷、线路接触不良，短路等引起的电气火灾居高，带来了严重财产损失何人生命安全。With the rapid development of urban and rural power grid construction, transmission and distribution lines are criss-crossed, basically eliminating villages without electricity and households without electricity. With the continuous improvement of people's living standards, the electricity load is also rising. Electricity has brought prosperity to the country and society, and brought happiness to people's lives. However, the subsequent safety hazards of power grid operation are also emerging. In the operation of distribution lines, electrical fires caused by overloaded transmission lines, poor line contact, short circuits, etc. are high, resulting in serious property losses. life safety.
目前市面电气火灾监控探测器供电方式都是直接从电箱或者线路上接取220V交流电，存在以下缺陷：At present, the power supply method of electrical fire monitoring detectors on the market is to directly access 220V AC power from the electric box or line, which has the following defects:
(1)安装时有的需要断掉用户电源，如果不断电带电操作有很大的触电风险。(1) Some users need to cut off the power supply during installation. If the power is continuously charged, there is a great risk of electric shock.
(2)安装和维修比较麻烦，安装成本也比较大。(2) Installation and maintenance are more troublesome, and the installation cost is also relatively large.
为了克服上述缺，我们发明了一种给电气火灾监控探测器供电的电路结构。In order to overcome the above deficiencies, we have invented a circuit structure for powering electrical fire monitoring detectors.
发明内容SUMMARY OF THE INVENTION
本发明的发明目的在于解决现有电气火灾监控探测器供电方式安装时有的需要断掉用户电源，如果不断电带电操作有很大的触电风险、安装和维修比较麻烦，安装成本也比较大的问题。其具体解决方案如下：The purpose of the present invention is to solve the need to cut off the user's power supply when the existing electrical fire monitoring detector power supply mode is installed. question. The specific solutions are as follows:
一种给电气火灾监控探测器供电的电路结构，包括感应取电电路、整流电路、稳压电路、电能存储电路、电气火灾监控探测器。A circuit structure for supplying power to an electrical fire monitoring detector includes an induction power taking circuit, a rectifier circuit, a voltage stabilizing circuit, an electrical energy storage circuit, and an electrical fire monitoring detector.
所述感应取电电路的输入端套接于监控电线上，其输出端与所述整流电路的输入端连接，所述稳压电路的输入端与所述整流电路的输出端连接，所述电能存储电路的输入端与所述稳压电路的输出端连接，所述电气火灾监控探测器的供电端与所述电能存储电路的输出端连接。The input end of the induction power taking circuit is sleeved on the monitoring wire, the output end is connected with the input end of the rectifier circuit, the input end of the voltage stabilizing circuit is connected with the output end of the rectifier circuit, the electrical energy The input end of the storage circuit is connected to the output end of the voltage regulator circuit, and the power supply end of the electrical fire monitoring detector is connected to the output end of the electrical energy storage circuit.
进一步地，所述感应取电电路至少包括电流互感器T1，其初级套接于监控电线火线上，其次级一端连接开关S1的一端，另一端连接电阻R2一端，开关S1的另一端连接电阻R1一端和保险器F1一端，电阻R1和电阻R2的另一端同时接地。Further, the inductive power taking circuit includes at least a current transformer T1, the primary of which is sleeved on the live wire of the monitoring wire, the secondary end is connected to one end of the switch S1, the other end is connected to one end of the resistor R2, and the other end of the switch S1 is connected to the resistor R1. One end and one end of the fuse F1, the other ends of the resistor R1 and the resistor R2 are grounded at the same time.
进一步地，所述整流电路至少包括整流桥B1，整流桥B1的第一输入端1与保险器F1另一端连接，整流桥B1的第二输入端2与电阻R2和电流互感器T1次级的连接端连接，整流桥B1的第二输出端4接地。Further, the rectifier circuit includes at least a rectifier bridge B1, the first input end 1 of the rectifier bridge B1 is connected to the other end of the fuse F1, and the second input end 2 of the rectifier bridge B1 is connected to the resistor R2 and the secondary of the current transformer T1. The connection terminals are connected, and the second output terminal 4 of the rectifier bridge B1 is grounded.
进一步地，所述稳压电路至少包括电解E1、电容C1和稳压管Z1，电解E1的正极与电容C1一端及稳压管Z1的负极连接，同时与整流桥B1的第一输出端3连接，并作为VCC供电端，电解E1的负极与电容C1另一端及稳压管Z1的正极连接，同时接地。Further, the voltage regulator circuit includes at least electrolysis E1, capacitor C1 and voltage regulator tube Z1, and the positive pole of electrolysis E1 is connected to one end of capacitor C1 and the negative pole of regulator tube Z1, and is connected to the first output end 3 of rectifier bridge B1 at the same time. , and as the VCC power supply terminal, the negative electrode of the electrolytic E1 is connected to the other end of the capacitor C1 and the positive electrode of the voltage regulator tube Z1, and is grounded at the same time.
进一步地，所述电能存储电路包括多个相互并联连接的大容量电容E2、E3至En，大容量电容的正极连接VCC供电端，大容量电容的负极接地。Further, the electric energy storage circuit includes a plurality of large-capacity capacitors E2, E3 to En connected in parallel with each other, the positive electrode of the large-capacity capacitor is connected to the VCC power supply terminal, and the negative electrode of the large-capacity capacitor is grounded.
进一步地，所述大容量电容为超极电容。Further, the large-capacity capacitor is a super capacitor.
进一步地，所述感应取电电路为开口线圈方式接入被监控线路，安装简单快捷。Further, the inductive power taking circuit is connected to the monitored line in an open coil manner, and the installation is simple and quick.
进一步地，所述感应取电电路从用户线路中的负载电流感应获取电能，并与负载电流同步工作。Further, the inductive power taking circuit obtains electrical energy inductively from the load current in the subscriber line, and works synchronously with the load current.
进一步地，所述电能存储电路存储用户线路中的负载电流大时的多余电能。Further, the electric energy storage circuit stores excess electric energy when the load current in the subscriber line is large.
综上所述，采用本发明的技术方案具有以下有益效果：To sum up, adopting the technical scheme of the present invention has the following beneficial effects:
本方案解决了现有电气火灾监控探测器供电方式安装时有的需要断掉用户电源，如果不断电带电操作有很大的触电风险、安装和维修比较麻烦，安装成本也比较大的问题。感应取电电路为开口线圈方式接入被监控线路，安装简单快捷。电能存储电路能存储用户线路中的负载电流大时的多余电能。本方案现场安装便捷、使用方便免维护、成本低、安全可靠，广泛适用于集成一体的电气火灾监控探测器的供电。This solution solves the problem that the user's power supply needs to be cut off during the installation of the existing electrical fire monitoring detector power supply method. If there is a great risk of electric shock, installation and maintenance are troublesome, and the installation cost is relatively large if the operation is continuously electrified. The induction power-taking circuit is connected to the monitored line in the form of an open coil, and the installation is simple and quick. The electrical energy storage circuit can store excess electrical energy when the load current in the subscriber line is large. This solution is easy to install on site, easy to use, maintenance-free, low cost, safe and reliable, and is widely used in the power supply of integrated electrical fire monitoring detectors.
附图说明Description of drawings
为了更清楚地说明本发明实施例的技术方案，下面将对本发明实施例的描述中所需要使用的附图作简单地介绍。显而易见地，下面描述中的附图仅仅是本发明的一部分实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还能够根据这些附图获得其他的附图。In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments of the present invention. Obviously, the drawings in the following description are only a part of the embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.
图1为本发明一种给电气火灾监控探测器供电的电路结构图。Fig. 1 is a circuit structure diagram of the present invention for supplying power to an electrical fire monitoring detector.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
如图1所示，一种给电气火灾监控探测器供电的电路结构，包括感应取电电路1、整流电路2、稳压电路3、电能存储电路4、电气火灾监控探测器5。As shown in FIG. 1 , a circuit structure for supplying power to an electrical fire monitoring detector includes an induction power taking circuit 1 , a rectifier circuit 2 , a voltage regulator circuit 3 , an electrical energy storage circuit 4 , and an electrical fire monitoring detector 5 .
感应取电电路1的输入端套接于监控电线上，其输出端与整流电路2的输入端连接，稳压电路3的输入端与整流电路2的输出端连接，电能存储电路4的输入端与稳压电路3的输出端连接，电气火灾监控探测器5的供电端与电能存储电路4的输出端连接。The input end of the induction power taking circuit 1 is sleeved on the monitoring wire, its output end is connected to the input end of the rectifier circuit 2, the input end of the voltage regulator circuit 3 is connected to the output end of the rectifier circuit 2, and the input end of the energy storage circuit 4 is connected. It is connected with the output end of the voltage regulator circuit 3 , and the power supply end of the electrical fire monitoring detector 5 is connected with the output end of the electric energy storage circuit 4 .
进一步地，感应取电电路1至少包括电流互感器T1，其初级套接于监控电线火线上，其次级一端连接开关S1的一端，另一端连接电阻R2一端，开关S1的另一端连接电阻R1一端和保险器F1一端，电阻R1和电阻R2的另一端同时接地。Further, the inductive power taking circuit 1 includes at least a current transformer T1, the primary of which is sleeved on the live wire of the monitoring wire, the secondary end is connected to one end of the switch S1, the other end is connected to one end of the resistor R2, and the other end of the switch S1 is connected to one end of the resistor R1. And one end of the fuse F1, the other ends of the resistor R1 and the resistor R2 are grounded at the same time.
进一步地，整流电路2至少包括整流桥B1，整流桥B1的第一输入端1与保险器F1另一端连接，整流桥B1的第二输入端2与电阻R2和电流互感器T1次级的连接端连接，整流桥B1的第二输出端4接地。Further, the rectifier circuit 2 includes at least a rectifier bridge B1, the first input end 1 of the rectifier bridge B1 is connected to the other end of the fuse F1, and the second input end 2 of the rectifier bridge B1 is connected to the resistor R2 and the secondary of the current transformer T1. terminal is connected, and the second output terminal 4 of the rectifier bridge B1 is grounded.
进一步地，稳压电路3至少包括电解E1、电容C1和稳压管Z1，电解E1的正极与电容C1一端及稳压管Z1的负极连接，同时与整流桥B1的第一输出端3连接，并作为VCC供电端，电解E1的负极与电容C1另一端及稳压管Z1的正极连接，同时接地。Further, the voltage stabilizing circuit 3 at least comprises an electrolysis E1, a capacitor C1 and a voltage stabilizing tube Z1, and the positive electrode of the electrolysis E1 is connected to one end of the capacitor C1 and the negative electrode of the voltage stabilizing tube Z1, and is connected to the first output end 3 of the rectifier bridge B1 at the same time, And as the VCC power supply terminal, the negative electrode of the electrolysis E1 is connected to the other end of the capacitor C1 and the positive electrode of the voltage regulator tube Z1, and is grounded at the same time.
可选地，电能存储电路4包括多个相互并联连接的大容量电容E2、E3至En，大容量电容的正极连接VCC供电端，大容量电容的负极接地。Optionally, the electric energy storage circuit 4 includes a plurality of large-capacity capacitors E2, E3 to En connected in parallel with each other, the positive electrode of the large-capacity capacitor is connected to the VCC power supply terminal, and the negative electrode of the large-capacity capacitor is grounded.
可选地，大容量电容为超极电容(超级电容，又名电化学电容，双电层电容器、黄金电容、法拉电容，是通过极化电解质来储能的一种电化学元件)。Optionally, the large-capacity capacitor is a supercapacitor (supercapacitor, also known as electrochemical capacitor, electric double-layer capacitor, gold capacitor, Farad capacitor, is an electrochemical element that stores energy by polarized electrolyte).
具体地，感应取电电路1为开口线圈方式接入被监控线路，安装简单快捷。感应取电电路1从用户线路中的负载电流感应获取电能，并与负载电流同步工作。电能存储电路4存储用户线路中的负载电流大时的多余电能。Specifically, the inductive power taking circuit 1 is connected to the monitored line in an open coil manner, and the installation is simple and quick. The inductive power taking circuit 1 inductively obtains power from the load current in the subscriber line, and works synchronously with the load current. The electric energy storage circuit 4 stores excess electric energy when the load current in the subscriber line is large.
综上所述，采用本发明的技术方案具有以下有益效果：To sum up, adopting the technical scheme of the present invention has the following beneficial effects:
本方案解决了现有电气火灾监控探测器供电方式安装时有的需要断掉用户电源，如果不断电带电操作有很大的触电风险、安装和维修比较麻烦，安装成本也比较大的问题。感应取电电路1为开口线圈方式接入被监控线路，安装简单快捷。电能存储电路4能存储用户线路中的负载电流大时的多余电能。本方案现场安装便捷、使用方便免维护、成本低、安全可靠，广泛适用于集成一体的电气火灾监控探测器的供电。This solution solves the problem that the user's power supply needs to be cut off during the installation of the existing electrical fire monitoring detector power supply method. If there is a great risk of electric shock, installation and maintenance are troublesome, and the installation cost is relatively large if the operation is continuously electrified. The inductive power taking circuit 1 is connected to the monitored line in the form of an open coil, and the installation is simple and quick. The electric energy storage circuit 4 can store excess electric energy when the load current in the subscriber line is large. This solution is easy to install on site, easy to use, maintenance-free, low cost, safe and reliable, and is widely used in the power supply of integrated electrical fire monitoring detectors.
以上所述的实施方式，并不构成对该技术方案保护范围的限定。任何在上述实施方式的精神和原则之内所作的修改、等同替换和改进等，均应包含在该技术方案的保护范围之内。The above-mentioned embodiments do not constitute a limitation on the protection scope of the technical solution. Any modifications, equivalent replacements and improvements made within the spirit and principles of the above-mentioned embodiments shall be included within the protection scope of this technical solution.
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Application publication date: 20190625 |