WO2013067816A1 - Wireless temperature monitoring system - Google Patents

Wireless temperature monitoring system Download PDF

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Publication number
WO2013067816A1
WO2013067816A1 PCT/CN2012/077156 CN2012077156W WO2013067816A1 WO 2013067816 A1 WO2013067816 A1 WO 2013067816A1 CN 2012077156 W CN2012077156 W CN 2012077156W WO 2013067816 A1 WO2013067816 A1 WO 2013067816A1
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WIPO (PCT)
Prior art keywords
temperature
processor
transmitting
receiving end
monitored point
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PCT/CN2012/077156
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French (fr)
Chinese (zh)
Inventor
张中
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中国北车集团大同电力机车有限责任公司
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Priority to CN2011103485725A priority Critical patent/CN103093596A/en
Priority to CN201110348572.5 priority
Application filed by 中国北车集团大同电力机车有限责任公司 filed Critical 中国北车集团大同电力机车有限责任公司
Publication of WO2013067816A1 publication Critical patent/WO2013067816A1/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02Means for indicating or recording specially adapted for thermometers
    • G01K1/024Means for indicating or recording specially adapted for thermometers for remote indication
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00Thermometers giving results other than momentary value of temperature
    • G01K3/005Circuits arrangements for indicating a predetermined temperature
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q9/00Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q2209/00Arrangements in telecontrol or telemetry systems
    • H04Q2209/80Arrangements in the sub-station, i.e. sensing device
    • H04Q2209/82Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data
    • H04Q2209/823Arrangements in the sub-station, i.e. sensing device where the sensing device takes the initiative of sending data where the data is sent when the measured values exceed a threshold, e.g. sending an alarm

Abstract

A wireless temperature monitoring system, comprising: a transmitting terminal (1) for monitoring the first temperature of a monitored point and transmitting the first temperature data to a receiving terminal (3); an ambient temperature monitoring terminal (2) for monitoring the second temperature, i.e. the temperature of the environment the monitored point is in, and transmitting the second temperature data to the receiving terminal (3); a receiving terminal (3) for calculating the temperature rise of the monitored point relative to the environment according to the first temperature and the second temperature and triggering an alarm if the temperature rise is greater than a preset threshold; the transmitting terminal (1) is wirelessly connected with the receiving terminal (3); and the ambient temperature monitoring terminal (2) is wired to the receiving terminal (3). With coordination among the transmitting terminal, the environment temperature monitoring terminal and the receiving terminal, the system triggers an alarm to alert the workers to deal with the malfunction when the temperature rise of a certain electric device or line in the circuit of an electric locomotive or an electric motor vehicle exceeds the threshold, thus preventing the electric device or line from being burnt out due to prolonged overheating, preventing the accident from worsening, therefore ensuring the safety and reliability of the electric locomotive or the electric motor vehicle.

Description

无线温度监测系统  Wireless temperature monitoring system
技术领域 本发明涉及监测技术, 尤其涉及一种无线温度监测系统。 背景技术 TECHNICAL FIELD The present invention relates to monitoring technology, and more particularly to a wireless temperature monitoring system. Background technique
随着轨道交通装备技术的向前发展和产品的不断更新,铁路管理部门 和广大用户对电力机车或电动车组在线运行的安全性和可靠性提出了更 高的要求, 其中 25kV高压电器和电路的可靠性指标要求更高, 因为这部 分一旦发生故障, 轻者造成机破, 重者造成接触网的断裂, 影响这条线路 上的其他车辆运行, 且维修和救援难度大、 时间长, 因此, 确保电力机车 或电动车组 25kV高压电路或高压电器运行的稳定性和可靠性显得尤为重 要。  With the advancement of rail transit equipment technology and the continuous updating of products, railway management departments and users have put forward higher requirements for the safety and reliability of online operation of electric locomotives or electric vehicles, among which 25kV high-voltage electrical appliances and circuits The reliability index is higher, because once this part fails, the lighter causes the machine to break, and the heavy one causes the contact network to break, affecting the operation of other vehicles on this line, and the maintenance and rescue is difficult and time-consuming. It is especially important to ensure the stability and reliability of the operation of 25kV high voltage circuits or high voltage electrical appliances for electric locomotives or electric vehicles.
目前, 在制或在线运行的各型电力机车或电动车组中, 如果由于连接 部位接触电阻变大、 绝缘端头绝缘下降等原因造成 25kV高压电器和电路 出现温度过热的问题,我们无法得知,因而该电器和电路会因过热而烧损, 造成事故的扩大。 发明内容  At present, in various types of electric locomotives or electric vehicles running in or on the line, if the contact resistance of the connection part becomes large, the insulation of the insulation end is lowered, etc., the temperature overheating of the 25kV high-voltage electrical appliances and circuits is not known. Therefore, the electrical appliance and the circuit may be burnt due to overheating, resulting in an accident. Summary of the invention
本发明提供一种无线温度监测系统。  The invention provides a wireless temperature monitoring system.
该系统包括:  The system includes:
发射端, 用于监测被监测点的第一温度, 并将第一温度数据发送给接 收端;  a transmitting end, configured to monitor a first temperature of the monitored point, and send the first temperature data to the receiving end;
环境温度监测端, 用于监测被监测点所处环境的第二温度, 并将第二 温度数据发送给接收端;  The ambient temperature monitoring end is configured to monitor a second temperature of the environment in which the monitored point is located, and send the second temperature data to the receiving end;
接收端, 用于根据第一温度和第二温度, 计算所述被监测点相对于所 处环境的温升, 若所述温升大于预先设定的阈值时, 发出报警;  The receiving end is configured to calculate a temperature rise of the monitored point relative to the environment according to the first temperature and the second temperature, and if the temperature rise is greater than a preset threshold, issue an alarm;
所述发射端与所述接收端通过无线方式连接, 所述环境温度监测端与 所述接收端通过有线方式连接。 本发明的技术效果是:通过发射端、环境温度监测端和接收端的配合, 当电力机车或电动车组中的电路中的某个电器或线路的温升超出阈值时 发出报警, 提醒工作人员处理故障, 避免某个电器或线路因长时间过热而 烧损, 造成事故的扩大, 实现了电力机车或电动车组的安全性和可靠性。 附图说明 图 1为本发明无线温度监测系统的结构图; The transmitting end and the receiving end are connected by using a wireless manner, and the ambient temperature monitoring end is connected to the receiving end by a wired manner. The technical effect of the invention is: through the cooperation of the transmitting end, the ambient temperature monitoring end and the receiving end, when the temperature rise of an electric appliance or line in the electric locomotive or the electric vehicle group exceeds the threshold, an alarm is issued to remind the staff to handle Failure, to avoid the burning of a certain electrical appliance or line due to overheating for a long time, resulting in the expansion of accidents, achieving the safety and reliability of electric locomotives or electric vehicles. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a structural diagram of a wireless temperature monitoring system of the present invention;
图 2 为本发明发射端的结构图;  2 is a structural diagram of a transmitting end of the present invention;
图 3为本发明接收端的结构图;  3 is a structural diagram of a receiving end of the present invention;
图 4、 5、 6、 7分别是温度显示屏、 超温阈值设定屏、 历史超温点记 录屏、 系统参数设置屏的示意图。 具体实施方式 图 1为本发明无线温度监测系统的结构图, 如图 1所示, 该系统包括 发射端 1、 环境温度监测端 2和接收端 3。  Figures 4, 5, 6, and 7 are schematic diagrams of the temperature display, the over-temperature threshold setting screen, the historical over-temperature point recording screen, and the system parameter setting screen. 1 is a structural diagram of a wireless temperature monitoring system according to the present invention. As shown in FIG. 1, the system includes a transmitting end 1, an ambient temperature monitoring end 2, and a receiving end 3.
发射端 1用于监测被监测点的第一温度, 并将第一温度数据发送给接 收端 3 ; 环境温度监测端 2 , 用于监测被监测点所处环境的第二温度, 并 将第二温度数据发送给接收端 3 ; 接收端 3用于根据被监测点的第一温度 和被监测点所处环境的第二温度, 计算被监测点相对于所处环境的温度的 温升, 若温升大于预先设定的阈值时, 发出报警; 其中, 发射端 1与接收 端 3通过无线方式连接,环境温度监测端 2与接收端 3通过有线方式连接。  The transmitting end 1 is configured to monitor the first temperature of the monitored point, and send the first temperature data to the receiving end 3; the ambient temperature monitoring end 2 is configured to monitor the second temperature of the environment where the monitored point is located, and the second The temperature data is sent to the receiving end 3; the receiving end 3 is configured to calculate the temperature rise of the monitored point relative to the temperature of the environment according to the first temperature of the monitored point and the second temperature of the environment where the monitored point is located, if the temperature is When the rise is greater than the preset threshold, an alarm is issued; wherein, the transmitting end 1 and the receiving end 3 are connected by wireless, and the ambient temperature monitoring end 2 and the receiving end 3 are connected by wire.
可以根据需要将发射端 1安装在不同电气线路或不同电气部件的连接 点处, 此时,发射端 1的个数为多个, 当然发射端 1的个数也可以为一个, 通过无线传输方式将发射端 1监测到的被监测点的第一温度数据传输给接 收端 3。 环境温度监测端 2实现对被监测点周围环境温度的监测, 通过有 线传输方式将环境温度数据传输给接收端 3 , 为接收端 3计算被监测点相 对于所处环境温度的温升提供基础数据。 接收端 3计算出温升之后, 判断 与预先设定的阈值的关系, 若温升大于阈值, 说明温升过高, 出现故障, 则发出报警, 提醒工作人员处理故障, 避免电器和电路因长时间过热而烧 损, 造成事故的扩大。 由上述的技术方案可知, 本发明的无线温度监测系统通过发射端、 环 境温度监测端和接收端的配合, 当电力机车或电动车组中的电路中的某个 电器或线路的温升超出阈值时发出报警, 提醒工作人员处理故障, 避免某 个电器或线路因长时间过热而烧损, 造成事故的扩大, 实现了电力机车或 电动车组的安全性和可靠性。 The transmitting end 1 can be installed at different connection points of different electrical lines or different electrical components as needed. At this time, the number of the transmitting end 1 is plural, and of course, the number of the transmitting end 1 can also be one, by wireless transmission. The first temperature data of the monitored point monitored by the transmitting end 1 is transmitted to the receiving end 3. The ambient temperature monitoring terminal 2 realizes the monitoring of the ambient temperature around the monitored point, and transmits the ambient temperature data to the receiving end 3 through the wired transmission mode, and provides the basic data for the receiving end 3 to calculate the temperature rise of the monitored point relative to the ambient temperature. . After the receiving end 3 calculates the temperature rise, it judges the relationship with the preset threshold. If the temperature rise is greater than the threshold, it indicates that the temperature rise is too high, and if a fault occurs, an alarm is issued to remind the staff to handle the fault and avoid the electrical and circuit length. The time is overheated and burned, causing an accident. It can be seen from the above technical solution that the wireless temperature monitoring system of the present invention cooperates with the transmitting end, the ambient temperature monitoring end and the receiving end, when the temperature rise of an electric appliance or line in the circuit in the electric locomotive or the electric vehicle group exceeds the threshold value. An alarm is issued to remind the staff to deal with the fault, to avoid burning of an electrical appliance or line due to overheating for a long time, resulting in an accident, and achieving safety and reliability of the electric locomotive or electric vehicle.
图 2 为本发明发射端的结构图, 如图 2所示, 发射端 1包括电流互感 器 11 , 稳压电源 12 , 温度传感器 13 , 第一处理器 14和发射模块 15。  2 is a structural diagram of a transmitting end of the present invention. As shown in FIG. 2, the transmitting end 1 includes a current transformer 11, a regulated power supply 12, a temperature sensor 13, a first processor 14, and a transmitting module 15.
电流互感器 11 , 用于将流过被监测点的电流转变成电压; 稳压电源 a current transformer 11 for converting a current flowing through the monitored point into a voltage;
12, 用于对电流互感器 11输出的电压转变成温度传感器 13、 第一处理器 14和发射模块 15的工作电压;温度传感器 13 ,用于监测被监测点的温度, 并将温度数据发送给第一处理器 14; 第一处理器 14, 用于以预先设定的 时间间隔釆集温度传感器 13输出的温度, 并将温度数据发送给发射模块 15; 发射模块 15 , 用于将第一处理器 14输出的温度数据发送给接收端 3。 12, the voltage for outputting the current transformer 11 is converted into the operating voltage of the temperature sensor 13, the first processor 14 and the transmitting module 15, the temperature sensor 13 for monitoring the temperature of the monitored point, and transmitting the temperature data to The first processor 14 is configured to collect the temperature output by the temperature sensor 13 at a preset time interval, and send the temperature data to the transmitting module 15; the transmitting module 15 is configured to use the first processing The temperature data output from the device 14 is sent to the receiving terminal 3.
电流互感器 1 1为发射端 1提供工作电源, 当电路中有电流流过时, 通过电磁感应原理将电流转变为电压, 输出给稳压电源 12; 稳压电源 12 将接收到的电压转换为温度传感器 13、第一处理器 14和发射模块 15的工 作电压; 本发明的发明人釆用的温度传感器 13、 第一处理器 14和发射模 块 15的工作电压均为 3.3V,釆用的电流互感器 11为卷绕铁芯式电流互感 器。  The current transformer 1 1 supplies the working power to the transmitting end 1. When a current flows in the circuit, the current is converted into a voltage by the principle of electromagnetic induction, and is output to the regulated power supply 12; the regulated power supply 12 converts the received voltage into a temperature. The operating voltage of the sensor 13, the first processor 14 and the transmitting module 15; the operating temperature of the temperature sensor 13, the first processor 14 and the transmitting module 15 used by the inventors of the present invention are both 3.3 V, and the current mutual inductance is used. The device 11 is a wound core current transformer.
本发明的发明人釆用的稳压电源 12由整流模块、 功率控制模块、 电 气保护模块和稳压模块构成; 温度传感器 13为数字式模块化温度传感器 The regulated power supply 12 used by the inventors of the present invention is composed of a rectifier module, a power control module, an electric protection module and a voltage stabilizing module; the temperature sensor 13 is a digital modular temperature sensor.
13 , 测温范围为 -55QC-125QC, 测量准确度不小于 0.5级; 发射模块 15釆 用成熟、 可靠、 性能稳定的低功耗产品, 工作频段是 2.4GHz, 传输速率 是 1Mbps, 发射灵敏度不小于 ldb/m; 第一处理器 14釆用的是 MSP430 单片机; 发射端 1在正常工作时能耐受 200度的温度。 13 , The temperature range is -55 Q C-125 Q C, the measurement accuracy is not less than 0.5; The transmitting module 15 uses mature, reliable, stable and stable low-power products, the working frequency band is 2.4GHz, and the transmission rate is 1Mbps. The emission sensitivity is not less than ldb/m; the first processor 14 uses the MSP430 microcontroller; the transmitter 1 can withstand 200 degrees of temperature during normal operation.
工作过程描述如下: 当有电流流过电流互感器 1 1时, 电流互感器 11 将电流转变成电压, 并输出给稳压电源 12, 稳压电源 12将接收到的电压 转变成温度传感器 13、 第一处理器 14和发射模块 15的工作电压, 温度传 感器 13将监测到的被监测点的温度数据输出给第一处理器 14, 第一处理 器 14以预先设定的时间间隔釆集来自温度传感器 13的温度数据, 并发送 给发射模块 15 , 发射模块 15通过无线传输方式将温度数据传输给接收端The working process is described as follows: When a current flows through the current transformer 1 1 , the current transformer 11 converts the current into a voltage and outputs it to the regulated power supply 12 , and the regulated power supply 12 converts the received voltage into a temperature sensor 13 . The operating voltage of the first processor 14 and the transmitting module 15, the temperature sensor 13 outputs the monitored temperature data of the monitored point to the first processor 14, and the first processor 14 collects the temperature from the temperature at a preset time interval. Temperature data of sensor 13 and sent To the transmitting module 15, the transmitting module 15 transmits the temperature data to the receiving end by wireless transmission
3。 3.
图 3为本发明接收端 3的结构图, 如图 3所示, 接收端 3包括: 电压 变换模块 31 , 接收模块 32和第二处理器 32。  3 is a structural diagram of the receiving end 3 of the present invention. As shown in FIG. 3, the receiving end 3 includes: a voltage converting module 31, a receiving module 32, and a second processor 32.
电压变换模块 31用于将机车上的蓄电池输出的电压变换为第二处理 器 32和接收模块 32的工作电压; 接收模块 32, 用于接收发射端 1输出的 第一温度数据, 并输出给第二处理器 32; 第二处理器 32, 用于根据来自 接收模块 32的第一温度数据和来自环境温度监测端 2的第二温度数据, 计算被监测点相对于所处环境的温度的温升, 若温升大于预先设定的阈 值, 则发出报警。  The voltage conversion module 31 is configured to convert the voltage outputted by the battery on the locomotive to the operating voltage of the second processor 32 and the receiving module 32. The receiving module 32 is configured to receive the first temperature data output by the transmitting end 1 and output the same to the first a second processor 32, configured to calculate a temperature rise of the monitored point relative to the temperature of the environment according to the first temperature data from the receiving module 32 and the second temperature data from the ambient temperature monitoring terminal 2 If the temperature rise is greater than the preset threshold, an alarm is issued.
接收端 3的工作过程介绍如下: 电压变换模块 31将机车上的蓄电池 输出的电压变换为第二处理器 32和接收模块 32的工作电压;接收模块 32 接收来自发射端 1的第一温度数据, 并输出给第二处理器 32; 第二处理器 32通过有线传输方式接收来自环境温度监测端 2的第二温度数据,并根据 第一温度数据和第二温度数据计算被监测点相对于所处环境的温度的温 升, 若温升大于预先设定的阈值, 则发出报警, 提醒工作人员排除故障。  The working process of the receiving end 3 is as follows: The voltage converting module 31 converts the voltage outputted by the battery on the locomotive into the operating voltages of the second processor 32 and the receiving module 32; the receiving module 32 receives the first temperature data from the transmitting end 1, And outputting to the second processor 32; the second processor 32 receives the second temperature data from the ambient temperature monitoring terminal 2 by wired transmission, and calculates the monitored point relative to the location according to the first temperature data and the second temperature data. The temperature rise of the ambient temperature, if the temperature rise is greater than a preset threshold, an alarm is issued to remind the staff to troubleshoot.
本发明的发明人釆用的接收模块 32和第二处理器 32的工作电压都是 3.3V; 第二处理器 32釆用的是 SMT32处理器, 通过下载到第二处理器 32 中的程序实现第一温度数据、 第二温度数的存储, 温升计算, 第二处理器 32上包括 JTAG接口, 通过 JTAG接口, 可以实现本发明的无线温度监测 系统的在线调试;接收模块 32的工作频段是 2.4GHz,传输速率是 lMbps。  The operating voltages of the receiving module 32 and the second processor 32 used by the inventors of the present invention are both 3.3V; the second processor 32 uses the SMT32 processor and is implemented by a program downloaded to the second processor 32. The first temperature data, the storage of the second temperature number, the temperature rise calculation, the second processor 32 includes a JTAG interface, and the online debugging of the wireless temperature monitoring system of the present invention can be implemented through the JTAG interface; the working frequency band of the receiving module 32 is At 2.4 GHz, the transmission rate is 1 Mbps.
图 4、 5、 6、 7分别是温度显示屏、 超温阈值设定屏、 历史超温点记 录屏、 系统参数设置屏的示意图。  Figures 4, 5, 6, and 7 are schematic diagrams of the temperature display, the over-temperature threshold setting screen, the historical over-temperature point recording screen, and the system parameter setting screen.
接收端 3还可以包括人机交互屏, 通过人机交互屏可以显示被监测点 的温度和报警信息, 具体的显示界面如图 4所示。  The receiving end 3 can also include a human-machine interaction screen, and the temperature and alarm information of the monitored point can be displayed through the human-machine interaction screen. The specific display interface is shown in FIG. 4 .
图 4中, 温度显示屏显示的内容包括: 通道, 该通道的温度, 该通道 相对于环境温度的温升, 环境温度,报警状态灯, 历史超温点记录屏按鈕, 超温阈值设定屏按鈕, 系统参数设定屏按鈕和超温报警确认按鈕。  In Figure 4, the temperature display shows: channel, temperature of the channel, temperature rise of the channel relative to the ambient temperature, ambient temperature, alarm status light, historical over-temperature point recording screen button, over-temperature threshold setting screen Button, system parameter setting screen button and over temperature alarm confirmation button.
具体地, 通道与被监测点——对应, 图 4中示出的界面假设系统中包 括 10个被监测点, 报警状态灯用于指示报警状态, 报警状态灯与通道一 一对应, 可以是, 如果一个通道处于报警状态, 则与该通道对应的报警状 态灯显示为红色, 如果该通道没有处于报警状态, 则与该通道对应的报警 状态灯显示为绿色; 历史超温点记录屏按鈕, 超温阈值设定屏按鈕, 系统 参数设定屏按鈕分别用于进入对应的界面; 超温报警确认按鈕用于工作人 员发现报警状态后, 对报警状态进行确认然后再进行故障的排除。 Specifically, the channel corresponds to the monitored point--the interface shown in FIG. 4 assumes that the system includes 10 monitored points, and the alarm status light is used to indicate the alarm status, the alarm status light and the channel one. A corresponding, may be, if a channel is in an alarm state, the alarm status light corresponding to the channel is displayed in red, and if the channel is not in an alarm state, the alarm status light corresponding to the channel is displayed in green; Click the record screen button, the over-temperature threshold setting screen button, the system parameter setting screen button is used to enter the corresponding interface respectively; the over-temperature alarm confirmation button is used for the staff to confirm the alarm state, confirm the alarm state and then perform the fault. Exclusion.
通过下载到人机交互屏的程序, 人机交互屏还可以用于记录历史超温 点、 设定超温阈值、 设置系统参数, 相应的显示界面分别是: 超温阈值设 定屏、 历史超温点记录屏、 系统参数设置屏。  Through the program downloaded to the human-computer interaction screen, the human-computer interaction screen can also be used to record historical over-temperature points, set over-temperature thresholds, and set system parameters. The corresponding display interfaces are: over-temperature threshold setting screen, historical super Temperature point recording screen, system parameter setting screen.
如图 5所示, 超温阈值设定屏显示的内容包括: 当前通道, 通道, 该 通道的温升, 键盘输入, 通道选择按鈕和返回按鈕。  As shown in Figure 5, the over-temperature threshold setting screen displays: current channel, channel, temperature rise of the channel, keyboard input, channel selection button and return button.
具体地, 当前通道指的是进行超温阈值设定的通道, 键盘输入用于设 定超温阈值的数值, 通道选择按鈕包括通道 +和通道-, 返回按鈕用于返回 到温度显示屏。  Specifically, the current channel refers to the channel for over-temperature threshold setting, the keyboard input is used to set the value of the over-temperature threshold, the channel selection button includes channel + and channel-, and the return button is used to return to the temperature display.
如图 6所示, 超温历史点记录屏显示的内容包括: 通道, 温度, 返回 按鈕和历史超温点曲线。  As shown in Figure 6, the over-temperature history point display screen includes: channel, temperature, return button and historical over-temperature point curve.
具体地, 对于每个通道, 有超温报警时, 将该通道的温度记录下来, 根据这些温度形成通道的历史超温点曲线, 返回按鈕用于返回温度显示 屏。  Specifically, for each channel, when there is an over-temperature alarm, the temperature of the channel is recorded, and the historical over-temperature point curve of the channel is formed according to these temperatures, and the return button is used to return to the temperature display screen.
如图 7所示, 系统参数设置屏显示的内容包括: 背光选择按鈕, 确认 按鈕和时间设置按鈕, 确认按鈕用于确认对系统参数的设置并进入温度显 示屏。  As shown in Figure 7, the system parameter setting screen displays: backlight selection button, confirmation button and time setting button. The confirmation button is used to confirm the setting of the system parameters and enter the temperature display.
接收端 3的第二处理器 32上还可以包括 RS232通信接口和节点输出 接口, 通过 RS232通信接口, 第二处理器 32可以将计算出的温升数据传 输给上位机以供上位机进一步处理, 可以通过节点输出接口控制位于工作 人员车间内的扬声器的报警, 即若第二处理器 32判断出温升大于预先设 定的阈值,则会使与扬声器连接的常开触点闭合,使得扬声器与电源接通, 从而使得扬声器发出报警声, 提醒工作人员排除故障。  The second processor 32 of the receiving end 3 may further include an RS232 communication interface and a node output interface. The second processor 32 may transmit the calculated temperature rise data to the upper computer for further processing by the upper computer through the RS232 communication interface. The alarm of the speaker located in the staff workshop can be controlled through the node output interface, that is, if the second processor 32 determines that the temperature rise is greater than a preset threshold, the normally open contact connected to the speaker is closed, so that the speaker and the speaker The power is turned on, causing the speaker to sound an alarm to remind the staff to troubleshoot.
最后应说明的是: 以上各实施例仅用以说明本发明的技术方案, 而非 对其限制; 尽管参照前述各实施例对本发明进行了详细的说明, 本领域的 普通技术人员应当理解: 其依然可以对前述各实施例所记载的技术方案进 行修改, 或者对其中部分或者全部技术特征进行等同替换; 而这些修改或 者替换, 并不使相应技术方案的本质脱离本发明各实施例技术方案的范 围。 It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art The technical solutions described in the foregoing embodiments can still be A modification of the line, or equivalent replacement of some or all of the technical features, and the modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

权 利 要 求 书 Claim
1、 一种无线温度监测系统, 其特征在于, 包括: A wireless temperature monitoring system, comprising:
发射端, 用于监测被监测点的第一温度, 并将第一温度数据发送给接 收端;  a transmitting end, configured to monitor a first temperature of the monitored point, and send the first temperature data to the receiving end;
环境温度监测端, 用于监测被监测点所处环境的第二温度, 并将第二 温度数据发送给接收端;  The ambient temperature monitoring end is configured to monitor a second temperature of the environment in which the monitored point is located, and send the second temperature data to the receiving end;
接收端, 用于根据第一温度和第二温度, 计算所述被监测点相对于所 处环境的温升, 若所述温升大于预先设定的阈值时, 发出报警;  The receiving end is configured to calculate a temperature rise of the monitored point relative to the environment according to the first temperature and the second temperature, and if the temperature rise is greater than a preset threshold, issue an alarm;
所述发射端与所述接收端通过无线方式连接, 所述环境温度监测端与 所述接收端通过有线方式连接。  The transmitting end is connected to the receiving end by a wireless manner, and the ambient temperature monitoring end is connected to the receiving end by a wired manner.
2、 根据权利要求 1所述的无线温度监测系统, 其特征在于, 所述发 射端包括:  2. The wireless temperature monitoring system according to claim 1, wherein the transmitting end comprises:
电流互感器, 用于将流过被监测点的电流转变成电压;  a current transformer for converting a current flowing through a monitored point into a voltage;
稳压电源, 用于对所述电流互感器输出的电压转变成温度传感器、 第 一处理器和发射模块的工作电压;  a regulated power supply for converting a voltage output by the current transformer into an operating voltage of a temperature sensor, a first processor, and a transmitting module;
温度传感器, 用于监测被监测点的第一温度, 并将第一温度数据发送 给第一处理器;  a temperature sensor, configured to monitor a first temperature of the monitored point, and send the first temperature data to the first processor;
第一处理器, 用于以预先设定的时间间隔釆集所述温度传感器输出的 第一温度, 并将第一温度数据发送给发射模块;  a first processor, configured to collect the first temperature output by the temperature sensor at a preset time interval, and send the first temperature data to the transmitting module;
发射模块, 用于将所述第一处理器输出的第一温度数据发送给接收 端。  And a transmitting module, configured to send the first temperature data output by the first processor to the receiving end.
3、 根据权利要求 1或 2所述的无线温度监测系统, 其特征在于, 所 述接收端包括:  3. The wireless temperature monitoring system according to claim 1 or 2, wherein the receiving end comprises:
电压变换模块, 用于将机车上的蓄电池输出的电压变换为第二处理器 和接收模块的工作电压;  a voltage conversion module, configured to convert a voltage outputted by the battery on the locomotive to an operating voltage of the second processor and the receiving module;
接收模块, 用于接收发射端输出的第一温度数据, 并输出给第二处理 器;  a receiving module, configured to receive first temperature data output by the transmitting end, and output the same to the second processor;
第二处理器, 用于根据来自所述接收模块的第一温度数据和来自环境 温度监测端的第二温度数据, 计算被监测点相对于所处环境的温度的温 升, 若所述温升大于预先设定的阈值时, 发出报警。 a second processor, configured to calculate a temperature rise of the monitored point relative to a temperature of the environment according to the first temperature data from the receiving module and the second temperature data from the ambient temperature monitoring end, if the temperature rise is greater than An alarm is issued when a preset threshold is set.
4、 根据权利要求 3所述的无线温度监测系统, 其特征在于, 所述接 收端还包括人机交互屏, 用于显示被监测点的温度和报警信息。 4. The wireless temperature monitoring system according to claim 3, wherein the receiving end further comprises a human-machine interaction screen for displaying temperature and alarm information of the monitored point.
5、 根据权利要求 4所述的无线温度监测系统, 其特征在于, 所述人 机交互屏还用于记录历史超温点、 设定超温阈值、 设置系统参数。  The wireless temperature monitoring system according to claim 4, wherein the human-machine interaction screen is further configured to record a historical over-temperature point, set an over-temperature threshold, and set a system parameter.
PCT/CN2012/077156 2011-11-07 2012-06-19 Wireless temperature monitoring system WO2013067816A1 (en)

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