CN114005258A - Multi-path alarm circuit design - Google Patents

Multi-path alarm circuit design Download PDF

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Publication number
CN114005258A
CN114005258A CN202111534688.8A CN202111534688A CN114005258A CN 114005258 A CN114005258 A CN 114005258A CN 202111534688 A CN202111534688 A CN 202111534688A CN 114005258 A CN114005258 A CN 114005258A
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China
Prior art keywords
pin
alarm
chip microcomputer
resistor
grounded
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Pending
Application number
CN202111534688.8A
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Chinese (zh)
Inventor
王宏宇
鲁飞
王涛
焦刚刚
陈鹏飞
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East China Power Transmissions Engineering Co ltd
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East China Power Transmissions Engineering Co ltd
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Publication of CN114005258A publication Critical patent/CN114005258A/en
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/185—Electrical failure alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses a multi-path alarm circuit design which comprises a single chip microcomputer, a serial port communication circuit, a liquid crystal display circuit, a key and a multi-path alarm indicator, wherein the serial port communication circuit, the liquid crystal display circuit, the key and the multi-path alarm indicator are electrically connected with the single chip microcomputer; the liquid crystal display and the keys form a man-machine interaction system to complete the setting of the alarm; the serial port communication circuit is used for receiving alarm information of the monitoring system; and the single chip microcomputer is used for processing the alarm information to obtain the information to be alarmed and driving a corresponding alarm indicator to realize the alarm of different faults or potential safety hazards. The alarm setting of the single chip microcomputer is completed through the liquid crystal display and the keys; the serial port communication circuit receives alarm information of the monitoring system; the single chip microcomputer processes the alarm information to obtain the information to be alarmed, and drives the corresponding alarm indicator to realize alarming of various different faults or potential safety hazards.

Description

Multi-path alarm circuit design
Technical Field
The invention relates to the technical field of alarms, in particular to a multi-path alarm circuit design.
Background
A single alarm indicator is adopted in the traditional alarm system, when the system monitors that equipment fails or potential safety hazards occur, the system sends alarm information through the alarm indicator, and prompting of field personnel is achieved. However, only one alarm indicator cannot distinguish alarms caused by different faults or potential safety hazards, and an operator calls or checks the reason of the system alarm to know fault information specifically, so that the operator cannot know the fault information on site in time, and potential safety hazards are brought to safety production.
Disclosure of Invention
The invention aims to provide a multi-channel alarm circuit design to solve the problems.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the device comprises a single chip microcomputer, a serial port communication circuit, a liquid crystal display circuit, a key and a multi-channel alarm indicator, wherein the serial port communication circuit, the liquid crystal display circuit, the key and the multi-channel alarm indicator are all electrically connected with the single chip microcomputer;
the liquid crystal display and the keys form a man-machine interaction system to complete the setting of the alarm;
the serial port communication circuit is used for receiving alarm information of the monitoring system;
the single chip microcomputer processes the alarm information to obtain information to be alarmed, and drives the corresponding alarm indicator to realize alarming of different faults or potential safety hazards.
Preferably, the alarm information setting module comprises a liquid crystal display circuit and a key, and the liquid crystal display circuit and the key are electrically connected with the single chip microcomputer.
Preferably, the single chip microcomputer adopts STM 32F 103ZET6, the power supply end of the single chip microcomputer is connected with +3.3V, a pin 8 of the single chip microcomputer is grounded through a resistor R20 and a capacitor C25, a pin 9 of the single chip microcomputer is grounded through a resistor R21 and a capacitor C26, one end of a crystal oscillator X1 is connected between the resistor R20 and the capacitor C25, and the other end of the crystal oscillator X1 is connected between the resistor R21 and the capacitor C26; the pin 23 of the singlechip is grounded through a capacitor C24, the pin 24 of the singlechip is grounded through a capacitor C27, and a resistor R23 and a crystal oscillator X2 which are connected in parallel are connected between the pin 23 and the pin 24 of the singlechip
Preferably, a pin 6 of the single chip microcomputer is respectively connected with one ends of a resistor R19 and a resistor R22, the other end of the resistor R19 is connected with +3.3V, the other end of the resistor R22 is connected with the anode of a power supply BT1, and the cathode of the power supply BT1 is grounded.
Preferably, the pin 25 of the single chip microcomputer is respectively connected with one end of a resistor R24 and one end of a capacitor C28, the other end of the resistor R24 is connected with +3.3V, and the other end of the capacitor C28 is grounded.
Preferably, the liquid crystal display circuit comprises a chip U2, a pin 26 of the chip U2 is connected with +3.3V, a pin 21 and a pin 25 are grounded, a pin 23 is connected with +3.3V, a capacitor C5 is connected between the pin 21 and the pin 23, and a pin 27 is connected with + 5V.
Preferably, the serial communication circuit comprises a chip U1, wherein a pin 7 of the chip U1 is grounded, and a pin 8 is connected to + 3.3V.
Preferably, the alarm circuit of the alarm indicator comprises a MOS transistor Q1 and a relay K1, the gate of the MOS transistor Q1 is connected with the single chip microcomputer through a resistor R2, the source of the MOS transistor Q1 is connected with a switch D2 through a resistor R12, and after the relay K1 is connected in parallel with a diode, one end of the relay K is connected with the drain of the MOS transistor Q1, and the other end of the relay K1 is connected with + 12V.
Has the advantages that:
the alarm information setting module is used for setting the alarm information of the single chip microcomputer; the serial port communication circuit receives alarm information of the monitoring system; the single chip microcomputer processes the alarm information to obtain the information to be alarmed, and drives the corresponding alarm indicator to realize alarming of various different faults or potential safety hazards, so that the problems that the operation personnel cannot know the fault information in time on site and the potential safety hazards are brought to safety production due to the fact that the alarm caused by different faults or potential safety hazards cannot be distinguished due to the fact that a single alarm indicator is adopted in indication of a traditional alarm system are effectively solved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the single chip microcomputer of the invention.
FIG. 3 is a schematic diagram of a liquid crystal display circuit according to the present invention.
Fig. 4 is a schematic diagram of a serial communication circuit of the present invention.
Fig. 5 is a schematic diagram of an alarm circuit of the present invention.
Fig. 6 is a flow chart of the operation of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a multiple alarm circuit design, comprising: the device comprises a single chip microcomputer, a serial port communication circuit, a liquid crystal display circuit, a key and a multi-path alarm indicator, wherein the serial port communication circuit, the liquid crystal display circuit, the key and the multi-path alarm indicator are all electrically connected with the single chip microcomputer;
the liquid crystal display and the keys form a man-machine interaction system to complete the setting of the alarm;
the serial port communication circuit is used for receiving alarm information of the monitoring system; and the monitoring system is used for monitoring whether the generating equipment, the power distribution cabinet and the power supply system have faults and potential safety hazards or not, and generating signals of the faults or the potential safety hazards when the faults and the potential safety hazards exist.
The single chip microcomputer processes the alarm information to obtain the information to be alarmed and drives the corresponding alarm indicator to realize the alarm of different faults or potential safety hazards
Referring to fig. 2, the single chip microcomputer adopts STM 32F 103ZET6, a power supply end of the single chip microcomputer is connected with +3.3V, a pin 8 of the single chip microcomputer is grounded through a resistor R20 and a capacitor C25, a pin 9 of the single chip microcomputer is grounded through a resistor R21 and a capacitor C26, one end of a crystal oscillator X1 is connected between the resistor R20 and the capacitor C25, and the other end of the crystal oscillator X1 is connected between the resistor R21 and the capacitor C26; the pin 23 of the singlechip is grounded through a capacitor C24, the pin 24 of the singlechip is grounded through a capacitor C27, a resistor R23 and a crystal oscillator X2 which are connected in parallel are connected between the pin 23 and the pin 24 of the singlechip, the pin 6 of the singlechip is respectively connected with one ends of a resistor R19 and a resistor R22, the other end of the resistor R19 is connected with +3.3V, the other end of the resistor R22 is connected with the anode of a power supply BT1, and the cathode of the power supply BT1 is grounded. The pin 25 of the singlechip is respectively connected with one end of a resistor R24 and one end of a capacitor C28, the other end of the resistor R24 is connected with +3.3V, and the other end of the capacitor C28 is grounded.
Referring to fig. 3, the lcd circuit includes a chip U2, a pin 26 of the chip U2 is connected to +3.3V, a pin 21 and a pin 25 are grounded, a pin 23 is connected to +3.3V, a capacitor C5 is connected between the pin 21 and the pin 23, and a pin 27 is connected to + 5V.
Referring to fig. 4, the serial communication circuit includes a chip U1, a pin 7 of the chip U1 is connected to ground, and a pin 8 is connected to + 3.3V. Chip U1 employs NRF24L 01.
Referring to fig. 5, the alarm circuit of the alarm indicator includes a MOS transistor Q1 and a relay K1, a gate of the MOS transistor Q1 is connected to the single chip microcomputer through a resistor R2, a source of the MOS transistor Q1 is connected to a switch D2 through a resistor R12, and after the relay K1 is connected in parallel to a diode, one end of the relay K is connected to a drain of the MOS transistor Q1, and the other end of the relay K is connected to + 12V. The MOS transistor Q1 adopts S8050. The singlechip control pin PC0 drives the triode MOS tube Q1 through the resistor R2, so that the coil of the relay K1 is conducted, the switch D2 is controlled to be closed, power supply to the alarm indicator is realized, and the alarm indicator is driven.
The invention completes the setting of the alarm of the singlechip through a man-machine interaction system consisting of a liquid crystal display and keys; the serial port communication circuit receives alarm information of the monitoring system; the single chip microcomputer processes the alarm information to obtain the information to be alarmed, and drives the corresponding alarm indicator to realize alarming of various different faults or potential safety hazards, so that the problems that the operation personnel cannot know the fault information in time on site and the potential safety hazards are brought to safety production due to the fact that the alarm caused by different faults or potential safety hazards cannot be distinguished due to the fact that a single alarm indicator is adopted in indication of a traditional alarm system are effectively solved.
The flow executed by the whole multi-channel alarm circuit is shown in fig. 6, and the working process is as follows: the method comprises the steps that firstly, a single chip microcomputer is initialized, then corresponding alarm information is input through a key, then a serial port communication circuit is waited for receiving the alarm information, when the alarm information is received, the single chip microcomputer analyzes the received alarm information, confirms the corresponding alarm information, sends out an alarm control signal, drives an alarm indicator, and achieves the alarm of faults or potential safety hazards.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1.一种多路报警电路设计，其特征在于，包括：单片机、串口通信电路、液晶显示电路、按键和多路报警指示器，其中，所述串口通信电路、所述液晶显示电路、所述按键和所述多路报警指示器均与所述单片机电连接；1. a multi-channel alarm circuit design is characterized in that, comprising: a single-chip microcomputer, a serial port communication circuit, a liquid crystal display circuit, a key and a multi-channel alarm indicator, wherein, the serial port communication circuit, the liquid crystal display circuit, the The button and the multi-channel alarm indicator are all electrically connected with the single-chip microcomputer; 所述液晶显示器和按键组成人机交互系统，完成对报警的设置；The liquid crystal display and the keys form a human-computer interaction system to complete the setting of the alarm; 所述串口通信电路，用于接收监测系统的报警信息；The serial communication circuit is used to receive the alarm information of the monitoring system; 所述单片机，对报警信息进行处理，得到所要报警的信息，并驱动相应的报警指示器，实现对不同故障或安全隐患的报警。The single-chip microcomputer processes the alarm information, obtains the information to be alarmed, and drives the corresponding alarm indicator, so as to realize the alarm for different faults or hidden dangers. 2.根据权利要求1所述的一种多路报警电路设计，其特征在于，所述单片机采用STM32F103ZET6，单片机的电源端接+3.3V，单片机的引脚8通过电阻R20、电容C25接地，单片机的引脚9通过电阻R21、电容C26接地，晶振X1的一端连接于电阻R20、电容C25之间，另一端连接于电阻R21、电容C26之间；单片机的引脚23通过电容C24接地，单片机的引脚24通过电容C27接地，并并联的电阻R23、晶振X2连接在单片机的引脚23与引脚24之间2. a kind of multi-channel alarm circuit design according to claim 1, it is characterized in that, described single-chip microcomputer adopts STM32F103ZET6, the power supply of single-chip microcomputer is connected to +3.3V, and pin 8 of single-chip microcomputer is grounded through resistor R20, capacitor C25, single-chip microcomputer is grounded. The pin 9 of the MCU is grounded through the resistor R21 and the capacitor C26. One end of the crystal oscillator X1 is connected between the resistor R20 and the capacitor C25, and the other end is connected between the resistor R21 and the capacitor C26; the pin 23 of the single-chip microcomputer is grounded through the capacitor C24. Pin 24 is grounded through capacitor C27, and the parallel resistor R23 and crystal oscillator X2 are connected between pin 23 and pin 24 of the microcontroller 3.根据权利要求2所述的一种多路报警电路设计，其特征在于，单片机的引脚6分别与电阻R19、电阻R22的一端相连，电阻R19的另一端接+3.3V，电阻R22的另一端连接电源BT1的正极，电源BT1的负极接地。3. a kind of multi-channel alarm circuit design according to claim 2 is characterized in that, the pin 6 of the single-chip microcomputer is respectively connected with one end of resistance R19, resistance R22, the other end of resistance R19 is connected with +3.3V, and the The other end is connected to the positive pole of the power supply BT1, and the negative pole of the power supply BT1 is grounded. 4.根据权利要求2所述的一种多路报警电路设计，其特征在于，单片机的引脚25分别与电阻R24、电容C28的一端连接，电阻R24的另一端接+3.3V，电容C28的另一端接地。4. The design of a multi-channel alarm circuit according to claim 2, wherein the pin 25 of the single-chip microcomputer is respectively connected with one end of the resistor R24 and the capacitor C28, the other end of the resistor R24 is connected to +3.3V, and the The other end is grounded. 5.根据权利要求1所述的一种多路报警电路设计，其特征在于，液晶显示电路包括芯片U2，芯片U2的引脚26接+3.3V，引脚21和引脚25接地，引脚23接+3.3V，引脚21与引脚23之间连接有电容C5，引脚27接+5V。5. a kind of multi-channel alarm circuit design according to claim 1, is characterized in that, liquid crystal display circuit comprises chip U2, the pin 26 of chip U2 is connected to +3.3V, pin 21 and pin 25 are grounded, and pin 26 is grounded. 23 is connected to +3.3V, a capacitor C5 is connected between pin 21 and pin 23, and pin 27 is connected to +5V. 6.根据权利要求1所述的一种多路报警电路设计，其特征在于，串口通信电路包括芯片U1，芯片U1的引脚7接地，引脚8接+3.3V。6 . The design of a multi-channel alarm circuit according to claim 1 , wherein the serial communication circuit comprises a chip U1 , the pin 7 of the chip U1 is grounded, and the pin 8 is connected to +3.3V. 7 . 7.根据权利要求2所述一种多路报警电路设计，其特征在于，报警指示器的报警电路包括MOS管Q1和继电器K1，所述MOS管Q1的栅极通过电阻R2与单片机相连，MOS管Q1的源极通过电阻R12与开关D2相连，继电器K1与二极管并联后，一端与MOS管Q1的漏极相连，另一端接+12V。7. The design of a multi-channel alarm circuit according to claim 2, wherein the alarm circuit of the alarm indicator comprises a MOS tube Q1 and a relay K1, and the gate of the MOS tube Q1 is connected to the single-chip microcomputer through a resistor R2, and the MOS tube Q1 is connected to the single chip. The source of the tube Q1 is connected to the switch D2 through the resistor R12. After the relay K1 is connected in parallel with the diode, one end is connected to the drain of the MOS tube Q1, and the other end is connected to +12V.
CN202111534688.8A 2021-10-08 2021-12-15 Multi-path alarm circuit design Pending CN114005258A (en)

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CN2021111706155 2021-10-08

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2852281Y (en) * 2005-11-28 2006-12-27 上海电器科学研究所（集团）有限公司 Alarm indicating device for industrial control
CN102456266A (en) * 2010-10-26 2012-05-16 周转英 Multipath alarm
CN202827301U (en) * 2012-10-30 2013-03-27 无锡职业技术学院 Automatic inspection device for safe opening of car door
CN203941607U (en) * 2014-05-06 2014-11-12 广州市轻工高级技工学校 A kind of multifunctional remote warning device
CN204576222U (en) * 2015-04-01 2015-08-19 宁波杭州湾新区祥源动力供应有限公司 A kind of energy station online monitoring alarm system
CN205248227U (en) * 2015-12-31 2016-05-18 南大傲拓科技江苏股份有限公司 Multichannel fusing of metal alarm instruction circuit
CN205692296U (en) * 2016-06-21 2016-11-16 嘉兴市科讯电子有限公司 A kind of multiple alarm peculiar to vessel instruction system
CN206732239U (en) * 2017-02-22 2017-12-12 南京浩康有色金属设备有限公司 A kind of plate shearing machine
CN210627415U (en) * 2019-12-04 2020-05-26 十堰天运汽车电器有限公司 Multifunctional buzzer alarm
CN212133906U (en) * 2020-06-12 2020-12-11 南京林业大学 A box-type transformer top oil temperature online monitoring module

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2852281Y (en) * 2005-11-28 2006-12-27 上海电器科学研究所（集团）有限公司 Alarm indicating device for industrial control
CN102456266A (en) * 2010-10-26 2012-05-16 周转英 Multipath alarm
CN202827301U (en) * 2012-10-30 2013-03-27 无锡职业技术学院 Automatic inspection device for safe opening of car door
CN203941607U (en) * 2014-05-06 2014-11-12 广州市轻工高级技工学校 A kind of multifunctional remote warning device
CN204576222U (en) * 2015-04-01 2015-08-19 宁波杭州湾新区祥源动力供应有限公司 A kind of energy station online monitoring alarm system
CN205248227U (en) * 2015-12-31 2016-05-18 南大傲拓科技江苏股份有限公司 Multichannel fusing of metal alarm instruction circuit
CN205692296U (en) * 2016-06-21 2016-11-16 嘉兴市科讯电子有限公司 A kind of multiple alarm peculiar to vessel instruction system
CN206732239U (en) * 2017-02-22 2017-12-12 南京浩康有色金属设备有限公司 A kind of plate shearing machine
CN210627415U (en) * 2019-12-04 2020-05-26 十堰天运汽车电器有限公司 Multifunctional buzzer alarm
CN212133906U (en) * 2020-06-12 2020-12-11 南京林业大学 A box-type transformer top oil temperature online monitoring module

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Application publication date: 20220201