CN105953877A - Automobile self-detection overload prompting device - Google Patents
Automobile self-detection overload prompting device Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 239000006096 absorbing agent Substances 0.000 claims abstract description 27
- 230000035939 shock Effects 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims abstract description 3
- 238000007906 compression Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000001960 triggered effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
- G01G19/086—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles wherein the vehicle mass is dynamically estimated
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Abstract
本发明披露了一种汽车自检测超载提醒装置，包括：空气减震器、PLC控制器、蜂鸣器，减震器中安装压力传感器，安装方式为汽车满载时空气减震器压缩位置的下方紧贴着压力传感器；压力传感器与PLC控制器相连接，其输入端口与压力传感器相连，输出端口与蜂鸣器相连。PLC控制器包括一个防误判装置，防误判装置包括常开开关、计时器、输出端口，其输出端口为PLC控制器的输出端口，常开开关与压力传感器相连。当压力信号持续5秒后触发报警。首先本发明有误判处理、提醒的方式，具有测量范围更全面、成本低廉、安装方便、可靠和灵活方便的优点。
The invention discloses an automobile self-detection overload reminder device, comprising: an air shock absorber, a PLC controller, a buzzer, a pressure sensor is installed in the shock absorber, and the installation method is below the compression position of the air shock absorber when the automobile is fully loaded Close to the pressure sensor; the pressure sensor is connected with the PLC controller, its input port is connected with the pressure sensor, and its output port is connected with the buzzer. The PLC controller includes an anti-misjudgment device, the anti-misjudgment device includes a normally open switch, a timer, and an output port, the output port of which is the output port of the PLC controller, and the normally open switch is connected with the pressure sensor. The alarm is triggered when the pressure signal lasts for 5 seconds. First of all, the present invention has a method of misjudgment processing and reminder, and has the advantages of more comprehensive measurement range, low cost, convenient installation, reliability, flexibility and convenience.
Description
技术领域technical field
本发明是一种汽车辅助装置，特别设计汽车超载减震器自感应装置。The invention is an auxiliary device for automobiles, especially an auto-induction device for overload shock absorbers of automobiles.
背景技术Background technique
汽车超载一直是汽车行驶安全中非常重视的问题。超载不仅对汽车自身造成很大的损伤，而且还会影响汽车的操作性能，如汽车的制动反应距离。这些都直接影响驾车人的行车安全。Automobile overloading has always been a very important issue in automobile driving safety. Overloading not only causes great damage to the car itself, but also affects the handling performance of the car, such as the braking reaction distance of the car. These all directly affect the driving safety of the driver.
目前，现有的超载检测装置主要是安装在相关的检查站、收费站等固定场所，当汽车通过时检测汽车是否超重。通过这样的外部检测，虽然能起到一定的警示作用，但是受地点限制，当司机不路过收费站或监测点时，司机并不能发现自己是否超重。At present, the existing overload detection device is mainly installed in fixed places such as relevant checkpoints and toll stations, and detects whether the automobile is overweight when the automobile passes through. Through such external detection, although it can play a certain warning role, due to location restrictions, when the driver does not pass the toll booth or monitoring point, the driver cannot find out whether he is overweight.
现在还有一种自检测的超重提示装置，是通过在座位安装荷载传感器以及在门口安装红外检测仪来进行超载监控。这样的方法虽然实现了汽车的实时自检测。但是这样的装置成本较高，安装复杂，而且仅仅通过检测车内的人员的重量来判断是否超重不够全面，因为车内的货物也占了汽车总荷载的很大一块。There is also a self-detection overweight prompting device now, which is to carry out overload monitoring by installing load sensors at seats and installing infrared detectors at the door. Although such method has realized the real-time self-detection of automobile. However, such a device is costly and complicated to install, and it is not comprehensive enough to judge whether it is overweight only by detecting the weight of the people in the car, because the goods in the car also account for a large part of the total load of the car.
发明内容Contents of the invention
为了解决上述现有技术存在的缺陷，本发明提供一种汽车自检测超载提醒装置。In order to solve the above-mentioned defects in the prior art, the present invention provides an automobile self-inspection overload reminder device.
为了达到上述目的，本发明提供的汽车自检测超载提醒装置包括：安装压力传感器的减震器、PLC控制器、蜂鸣器：In order to achieve the above object, the automobile self-detection overload reminder device provided by the invention comprises: a shock absorber, a PLC controller, and a buzzer for installing a pressure sensor:
其中压力传感器安装在汽车的减震器上，并与PLC控制器相连接，用来产生压力信号，判断超载，当减震器过度压缩时，则挤压压力传感器，产生压力信号，传输给PLC控制器。The pressure sensor is installed on the shock absorber of the car and connected to the PLC controller to generate a pressure signal to judge overload. When the shock absorber is over-compressed, the pressure sensor is squeezed to generate a pressure signal and transmitted to the PLC. controller.
PLC控制器的输入端口与压力传感器相连，输出端口与蜂鸣器相连。PLC控制器能够接收到压力传感器传来的信号，并分析传来的压力信号是否为持续信号，当为持续信号时，则判断为超载，控制蜂鸣器发出警报，提示超载。当从PLC控制器输出端口传来的压力信号超过5秒即为持续信号时，则判断为超载，控制蜂鸣器发出警报，提示超载。The input port of the PLC controller is connected with the pressure sensor, and the output port is connected with the buzzer. The PLC controller can receive the signal from the pressure sensor and analyze whether the incoming pressure signal is a continuous signal. If it is a continuous signal, it will be judged as overload, and the buzzer will be controlled to send an alarm to indicate overload. When the pressure signal transmitted from the output port of the PLC controller exceeds 5 seconds, which is a continuous signal, it is judged as overload, and the control buzzer sends out an alarm to indicate overload.
蜂鸣器为整个系统的输出装置，当接收到PLC控制器传来的控制信号时，蜂鸣器开始工作，发出警报，提示超载。The buzzer is the output device of the whole system. When it receives the control signal from the PLC controller, the buzzer starts to work and sends out an alarm to indicate overload.
本发明所提供的汽车自检测超载提示装置的PLC控制器包括一个防误判装置。将传感器安装在减震器的合适位置，当汽车荷载超过规定值时，减震器则会挤压压力传感器，产生压力信号，传输给PLC控制器，PLC控制器中的防误判装置用于区分收到的压力信号是否为持续信号。所述防误判装置包括常开开关、计时器、和输出端口；所述防误判装置的输出端口为PLC控制器的输出端口，常开开关与压力传感器相连，当压力信号脉冲传至PLC控制器时，使常开开关闭合，计时器开始工作，当压力信号持续5秒后，计时器开关导通，信号传至输出端口处，输出端口与蜂鸣器相连，触发报警，若压力信号持续时间未达到5秒，则计时器开关处于断开，不报警。The PLC controller of the automobile self-inspection overload prompting device provided by the present invention includes an anti-misjudgment device. Install the sensor in the appropriate position of the shock absorber. When the vehicle load exceeds the specified value, the shock absorber will squeeze the pressure sensor to generate a pressure signal and transmit it to the PLC controller. The anti-misjudgment device in the PLC controller is used to Distinguishes whether the received stress signal is a continuous signal. Described anti-misjudgment device comprises normally open switch, timer, and output port; The output port of described anti-misjudgment device is the output port of PLC controller, normally open switch links to each other with pressure sensor, when pressure signal pulse passes to PLC When the controller is used, the normally open switch is closed and the timer starts to work. When the pressure signal lasts for 5 seconds, the timer switch is turned on and the signal is transmitted to the output port. The output port is connected to the buzzer to trigger an alarm. If the pressure signal If the duration does not reach 5 seconds, the timer switch is off and no alarm is given.
当压力信号脉冲传输至常开开关处时，开关闭合，计时器计时，当计时器工作5秒以上时，则判断为持续信号，计时器开关闭合，控制输出端口连接的蜂鸣器发出警报，提示超载。当收到的压力信号不是持续信号时，则可能是由于道路颠簸或乘客上车时由于主动施力而产生大于自身体重的压力，导致减震器过度收缩，所以此时PLC控制器不会控制蜂鸣器发出警报。本装置规避了这种情况下的误判。When the pressure signal pulse is transmitted to the normally open switch, the switch is closed and the timer counts. When the timer works for more than 5 seconds, it is judged as a continuous signal, the timer switch is closed, and the buzzer connected to the control output port sends out an alarm. Prompt overload. When the received pressure signal is not a continuous signal, it may be due to road bumps or when passengers get on the car that the pressure greater than their own body weight is generated due to active force, resulting in excessive contraction of the shock absorber, so the PLC controller will not control the shock absorber at this time. The buzzer sounds an alarm. This device avoids the misjudgment under this situation.
本发明的汽车自检测超载提醒装置与现有技术相比，具有以下优点：Compared with the prior art, the automobile self-detection overload reminder device of the present invention has the following advantages:
1、首先本发明有误判处理系统，规避了装置在检验车辆超载时可能由于道路颠簸或乘客上车时由于主动施力而产生大于自身体重的压力这些情况的误报，提高了装置的准确性。1. First of all, the present invention has a misjudgment processing system, which avoids the false alarm of the device when the vehicle is overloaded, which may be caused by road bumps or passengers actively exerting force when they get on the vehicle, and thus improves the accuracy of the device. sex.
2、本发明是通过自检测提醒的方式，实时监测车内的超载情况，不受地点和时间的限制，大大提高了驾车者的行车安全。2. The present invention monitors the overload situation in the vehicle in real time through the self-detection and reminding mode, and is not limited by the location and time, thus greatly improving the driving safety of the driver.
3、本发明相较于现有自检测技术，测量范围更全面，现有的技术只考虑了乘客的因素，忽视了行李的因素，这样的检测结果又很大的局限性。本发明则通过测量整车所有的载荷，来进行超载判断。而且本发明的成本更加低廉，安装更加方便。3. Compared with the existing self-detection technology, the present invention has a more comprehensive measurement range. The existing technology only considers the factors of passengers and ignores the factors of luggage. Such detection results have great limitations. The present invention carries out overload judgment by measuring all the loads of the whole vehicle. Moreover, the cost of the present invention is lower and the installation is more convenient.
4、本发明使用PLC控制器进行数据处理，具有更高的可靠性，更加的灵活方便。4. The present invention uses a PLC controller for data processing, which has higher reliability and is more flexible and convenient.
附图说明Description of drawings
图1为本发明中汽车自检测超载提示装置布局示意图。Fig. 1 is a schematic layout diagram of an automobile self-detection overload prompting device in the present invention.
图2为本发明中压力传感器在减震器上的具体安装位置示意图（减震器压缩前）。Fig. 2 is a schematic diagram of the specific installation position of the pressure sensor on the shock absorber in the present invention (before the shock absorber is compressed).
图3为本发明中压力传感器在减震器上的具体安装位置示意图（减震器压缩后）。Fig. 3 is a schematic diagram of the specific installation position of the pressure sensor on the shock absorber in the present invention (after the shock absorber is compressed).
图4为PLC实现误判信号处理的梯形图。Figure 4 is a ladder diagram for PLC to realize misjudgment signal processing.
图中，1为空气减震器，2为PLC控制器，3为蜂鸣器，4为储气罐，5为空气管道，6为控制线路，7为充气室，8为带阀门的活塞，9为储油室，10为活塞杆，11为分隔浮动活塞，12为压力传感器，X1为常开开关，T0为计时器，Y1为输出端口，K50表示计时器T0计时5秒后，计时器T0对应的开关开始工作。In the figure, 1 is an air shock absorber, 2 is a PLC controller, 3 is a buzzer, 4 is an air storage tank, 5 is an air pipeline, 6 is a control circuit, 7 is an inflatable chamber, 8 is a piston with a valve, 9 is the oil storage chamber, 10 is the piston rod, 11 is the separated floating piston, 12 is the pressure sensor, X1 is the normally open switch, T0 is the timer, Y1 is the output port, K50 means that after the timer T0 counts for 5 seconds, the timer The switch corresponding to T0 starts to work.
具体实施方式detailed description
为了使本发明实现的技术手段、达成的目的与功效易于明白和了解，下面结合附图对本发明提供的汽车自检测超载提醒装置进行详细说明。In order to make the technical means realized by the present invention, the purpose and effect achieved easy to understand and understand, the automobile self-detection overload reminder device provided by the present invention will be described in detail below in conjunction with the accompanying drawings.
如图1、图2、图3所示，本发明的汽车自检测超载提示装置包括：空气减震器1、PLC控制器2、蜂鸣器3、压力传感器12。其中，压力传感器12安装在空气减震器1上，在汽车满载时空气减震器1压缩位置的下方紧贴着安装压力传感器12，以确保当空气减震器1再次受压后压缩到此位置时，可以产生压力信号，如图3所示。而当正常情况或汽车荷载未超出汽车最大荷载时，整个装置的状态如图2所示。所以，此装置的安装不会影响到减震器1的正常使用，而当超载时，则会触碰到压力传感器12，会传出压力信号。压力传感器12通过控制线路6连接到PLC控制器2的输入端口上，PLC控制器2的输出端口与蜂鸣器3相连接。As shown in FIG. 1 , FIG. 2 , and FIG. 3 , the automobile self-detection overload prompting device of the present invention includes: an air shock absorber 1 , a PLC controller 2 , a buzzer 3 , and a pressure sensor 12 . Wherein, the pressure sensor 12 is installed on the air shock absorber 1, and the pressure sensor 12 is installed close to the compression position of the air shock absorber 1 when the car is fully loaded, so as to ensure that the air shock absorber 1 is compressed to this point when the air shock absorber 1 is compressed again. position, a pressure signal can be generated, as shown in Figure 3. And when the normal situation or the vehicle load does not exceed the maximum load of the vehicle, the state of the entire device is shown in Figure 2. Therefore, the installation of this device will not affect the normal use of the shock absorber 1, but when it is overloaded, it will touch the pressure sensor 12 and send out a pressure signal. The pressure sensor 12 is connected to the input port of the PLC controller 2 through the control line 6 , and the output port of the PLC controller 2 is connected to the buzzer 3 .
当汽车载荷超过规定值时，压缩空气减震器1至压力传感器12处，压力传感器产生压力信号，传输给PLC控制器2，PLC控制器2分析接收到的压力信号，如图4所示，压力脉冲信号传输至常开开关X1处时，常开开关X1闭合，计时器T0开始计时，5秒后，计时器开关T0闭合，输出端口Y1连接的蜂鸣器3开始工作，这一系列工作的前提是压力脉冲信号持续作用，否则电路断开，计时器T0则会停止计时。所以当压力信号为持续信号时，则控制蜂鸣器3工作，判断超载，发出提示警报。当收到的压力信号不是持续信号时，则可能是由于道路颠簸或者乘客上车瞬间产生的过大压力，导致减震器过度收缩，从而挤压到压力传感器12，产生压力信号，此时PLC控制器2则判断为非超载，蜂鸣器不发出警报。PLC控制器2在此装置中主要起到一个信号的分析作用。When the vehicle load exceeds the specified value, the pressure sensor generates a pressure signal from the compressed air shock absorber 1 to the pressure sensor 12, and transmits it to the PLC controller 2, and the PLC controller 2 analyzes the received pressure signal, as shown in Figure 4, When the pressure pulse signal is transmitted to the normally open switch X1, the normally open switch X1 is closed, and the timer T0 starts timing. After 5 seconds, the timer switch T0 is closed, and the buzzer 3 connected to the output port Y1 starts to work. This series of work The premise is that the pressure pulse signal continues to act, otherwise the circuit is disconnected, and the timer T0 will stop counting. Therefore, when the pressure signal is a continuous signal, the buzzer 3 is controlled to work, to determine overload, and to issue a prompt alarm. When the received pressure signal is not a continuous signal, it may be due to road bumps or the excessive pressure generated by passengers getting on the car, which causes the shock absorber to shrink excessively, thereby squeezing the pressure sensor 12 to generate a pressure signal. At this time, the PLC Controller 2 then judges that it is not overloaded, and the buzzer does not send an alarm. The PLC controller 2 mainly plays a signal analysis role in this device.
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Application publication date: 20160921 |