CN111221291A - Unattended test bed - Google Patents
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- CN111221291A CN111221291A CN202010113568.XA CN202010113568A CN111221291A CN 111221291 A CN111221291 A CN 111221291A CN 202010113568 A CN202010113568 A CN 202010113568A CN 111221291 A CN111221291 A CN 111221291A
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- 238000012360 testing method Methods 0.000 title claims abstract description 115
- 238000012544 monitoring process Methods 0.000 claims abstract description 68
- 238000004891 communication Methods 0.000 claims abstract description 11
- 239000000779 smoke Substances 0.000 claims description 28
- 238000001514 detection method Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 7
- 238000009661 fatigue test Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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Abstract
The invention discloses an unattended test bed, which comprises an industrial personal computer, an analog output board, a digital input board, a digital output board, an analog input board, a control module, a fault feedback and operation feedback module, a relay and operation control module and a sensor module; the system also comprises an internal network monitoring system, a data acquisition module and an external network monitoring system; the intranet monitoring system is in data communication with an industrial personal computer of the test bed through a local area network; the data acquisition module is electrically connected with the digital output board and the analog input board respectively; and the data acquisition module is in data communication with an external network monitoring system through the Internet. The invention can remotely check the running condition of the test bed through the intranet monitoring system; accessing an external network monitoring system through a mobile phone or a household computer to know the running condition of the test bed in real time; if the test bed stops running due to related faults, the short message can be sent to notify the related responsible person.
Description
Technical Field
The invention belongs to the technical field of intelligent monitoring systems, and particularly relates to an unattended test stand scheme.
Background
In the process of product development, the endurance performance is one of the very important performances, and important verification is required through an endurance test. The endurance test not only can evaluate whether the endurance performance of the product structure reaches the design expected target and provide improved information as soon as possible, but also can build confidence for the endurance performance of the product after the product is put on the market. However, the endurance test of the product usually takes a long time, which varies from hundreds of hours to thousands of hours, the traditional endurance test needs to manually adjust working conditions, pressure, record data, check the running condition of a test bed and the like, the person is on duty in three shifts, time and labor are wasted, the labor cost is high, and unattended automatic operation in various industries becomes a development trend, so that unattended operation of the endurance test is also imperative.
Disclosure of Invention
The invention aims to provide an unattended test bed, which can remotely check the running condition of the test bed through an intranet monitoring system; the external network monitoring system can be accessed through a mobile phone or a household computer, and the running condition of the test bed can be known in real time; if the test bed stops running due to related faults, the short message can be sent to the related responsible person.
The invention relates to an unattended test bed, which comprises an industrial personal computer, an analog output board, a digital input board, a digital output board, an analog input board, a control module, a fault feedback and operation feedback module, a relay and operation control module and a sensor module; the control module is electrically connected with the analog output board, the fault feedback and operation feedback module is electrically connected with the digital input board, the relay and operation control module is electrically connected with the digital output board, and the sensor module is electrically connected with the analog input board; the test bed industrial personal computer is used for operation control, signal acquisition, data display and fault shutdown control of the test bed;
the system also comprises an internal network monitoring system, a data acquisition module and an external network monitoring system; the intranet monitoring system is in data communication with an industrial personal computer of the test bed through a local area network; the data acquisition module is electrically connected with the digital output board and the analog input board respectively; the data acquisition module is in data communication with an external network monitoring system through the Internet;
the intranet monitoring system is used for realizing intranet monitoring and control of the test bed, collecting and feeding back key parameters for controlling the test bed and realizing intranet remote shutdown control of the test bed;
the data acquisition module is used for acquiring analog signals and transmitting digital signals, and the digital output board is used for controlling the relay and the operation control module to work so as to realize on-off control of the power supply of the test bed; the data acquisition module is also in data communication with an external network monitoring system through the Internet;
the system comprises an external network monitoring system, a message SMS service module and a mobile phone terminal, wherein the external network monitoring system is used for carrying out external network monitoring, data monitoring and external network shutdown control on the test bed, and is also provided with the message SMS service module for sending a reminding short message to the corresponding mobile phone terminal when the test bed is in fault shutdown.
Further, still include:
the automatic fire extinguishing device is arranged in the test bed area;
the sensor module comprises a smoke sensor, the smoke sensor detects smoke in the test bed area, sends smoke signals to the test bed industrial personal computer, starts a smoke alarm shutdown function when the test bed industrial personal computer judges that a detection value reaches a preset value, and starts the automatic fire extinguishing device to extinguish fire.
Furthermore, the data acquisition module adopts an ADAM6017 module which is provided with a 16-bit A/D module and provides analog quantity input of 8 channels and digital quantity output of 2 channels, the 8 channels of analog channels are used for acquiring voltage and current analog quantity input signals of pressure, temperature, current, oil cooler faults, intranet heartbeat signal alarm, oil tank liquid level low alarm, high-pressure oil filter blockage alarm and oil return filter blockage alarm of a test bed, and the digital quantity output of one channel is used for outputting a remote shutdown signal.
Further, the message SMS service module is realized through a short message sending function provided on a website.
And the system further comprises two network cameras which are respectively connected with the local area network switch and the internet switch through network cables, and is used for realizing remote picture monitoring of an internal network and an external network on key positions of the test bed and the surrounding environment through the local area network and the internet.
The invention has the following advantages:
(1) the data acquisition module realizes the isolation of the internal network and the external network, and solves the difficult problem of network isolation.
(2) The short message notification in the fault is realized through the simple message service SMS, no hardware is needed, the needed resources are less, the realization is simpler, and the cost is lower; the method is constructed on a reliable cloud infrastructure, and is convenient, efficient, stable and reliable.
(3) The remote shutdown function of the test bed is realized through network transmission, and shutdown control of the test bed can be realized without the need of personnel arriving at a site at a critical moment.
(4) The data monitoring and automatic storage functions of the internal network and the external network are realized through network transmission, and the remote data checking and analyzing can be realized even if the operation state of the test bed is known by an unmanned field on duty through a monitoring system.
(5) Whether the oil leakage of the test bed exists or not and whether fire disasters exist around the test bed or not can be known in real time through the video monitoring system.
(6) The fault alarm and automatic shutdown functions of the test bed can be realized, and the test bed is safe and reliable.
(7) The fire alarm and automatic fire extinguishing functions can be realized.
Drawings
FIG. 1 is a block diagram of a conventional test stand control;
FIG. 2 is a block diagram of the control of the test stand of the present invention.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, the existing test bed includes a test bed industrial personal computer, an analog output board, a digital input board, a digital output board, an analog input board, a control module, a fault feedback and operation feedback module, a relay and operation control module and a sensor module; the control module is electrically connected with the analog output board, the fault feedback and operation feedback module is electrically connected with the digital input board, the relay and operation control module is electrically connected with the digital output board, and the sensor module is electrically connected with the analog input board; the simulation output board, the digital input board, the digital output board and the simulation input board are respectively and electrically connected with a test bed industrial personal computer, and the test bed industrial personal computer is used for operation control, signal acquisition, data display and fault shutdown control of the test bed.
As shown in fig. 2, in the embodiment, an unattended test bed is further provided with an internal network monitoring system, a data acquisition module and an external network monitoring system on the basis of the existing test bed. The intranet monitoring system is in data communication with an industrial personal computer of the test bed through a local area network; the data acquisition module is electrically connected with the digital output board and the analog input board respectively; and the data acquisition module is in data communication with an external network monitoring system through the Internet. The intranet monitoring system is used for monitoring and controlling the intranet of the test bed, collecting and feeding back key parameters of the test bed and realizing intranet remote shutdown control of the test bed. The data acquisition module is used for acquiring analog signals and transmitting digital signals, and the digital output board is used for controlling the relay and the operation control module to work so as to realize on-off control of the power supply of the test bed; the data acquisition module is also in data communication with an external network monitoring system through the Internet. The system comprises an external network monitoring system, a message SMS service module and a mobile phone terminal, wherein the external network monitoring system is used for carrying out external network monitoring, data monitoring and external network shutdown control on the test bed, and is also provided with the message SMS service module for sending a reminding short message to the corresponding mobile phone terminal when the test bed is in fault shutdown.
In this embodiment, the method further includes: the automatic fire extinguishing device is arranged in the test bed area; the sensor module comprises a smoke sensor, the smoke sensor detects smoke in the test bed area, sends smoke signals to the test bed industrial personal computer, starts a smoke alarm shutdown function when the test bed industrial personal computer judges that a detection value reaches a preset value, and starts the automatic fire extinguishing device to extinguish fire.
In this embodiment, the data acquisition module adopts an ADAM6017 module, which has a 16-bit a/D module and provides analog input of 8 channels and digital output of 2 channels, and the 8 channels of analog channels are used to acquire voltage and current analog input signals of pressure, temperature, current, oil cooler fault, intranet heartbeat signal alarm, oil tank liquid level low alarm, high pressure oil filter blockage alarm and oil return filter blockage alarm of the test bed, and output the digital output of one channel to output a remote shutdown signal.
In this embodiment, the message SMS service module is implemented by a short message sending function provided on a website.
In this embodiment, the sensor module further includes a pressure sensor, a temperature sensor, and the like, in addition to the smoke sensor.
The unattended operation test bed combines the current situation of the endurance test, fully utilizes new technologies such as automation, informatization, digitization and the Internet of things, and realizes operations such as video monitoring, key data remote monitoring and remote shutdown of the test bed, thereby realizing unattended operation of the endurance test.
The embodiment unmanned on duty test bench, realized the isolation of test bench industrial computer intranet and extranet, simple message service SMS realizes the SMS and reminds the function, realize the remote shutdown function of test bench through network transmission, realize the data monitoring and the automatic save function of intranet and extranet through network transmission, realize the remote monitoring to the test bench scene through video monitoring, realize the trouble auto-stop function through the transformation to the test bench industrial computer, realize the detection and the automatic fire extinguishing function of smog through smoke transducer and automatic fire extinguishing device.
In the embodiment, the simple message SMS service is built on a reliable cloud infrastructure, is convenient, efficient, stable and reliable, helps a user to complete timely issuing of short messages, is embedded into an external monitoring website, and realizes a short message reminding function when a fault is stopped.
In the embodiment, the data acquisition module adopts a porphyry data acquisition module ADAM-6017, and the ADAM6017 module is directly connected to a digital output board and an analog input board of the test bed without being connected with an industrial personal computer of the test bed, so that the internal network and the external network of the industrial personal computer of the test bed are well isolated. The system has the advantages that the functions of automatic shutdown and remote manual shutdown when 8 key data such as motor current, oil tank temperature, test oil pressure and the like are abnormal are realized through the research data acquisition module ADAM-6017 and the external network monitoring system, and shutdown information and reasons are sent to relevant responsible persons through SMS service.
In the embodiment, the remote shutdown function of the test bed is realized through network transmission, and the control of the relay is mainly realized based on the network, so that the power-on and power-off functions of the test bed are realized.
In this embodiment, realize data monitoring and the automatic save function of intranet and extranet through network transmission, mainly be to the remote monitoring and the automatic save of test bench key data, even unmanned on site is also known the running condition of test bench through monitored control system, also can look over and the analysis to the remote of data.
In this embodiment, still include through two network cameras that the net twine is connected with LAN switch respectively, the internet switch is connected for realize carrying out the remote picture control of intranet and extranet through LAN, internet to test bench key position, surrounding environment.
In this embodiment, the test bench industrial computer can realize the warning and the automatic shutdown function of trouble.
In the embodiment, the smoke detection and automatic fire extinguishing functions are realized through the smoke sensor and the automatic fire extinguishing device, the smoke sensor is mainly used for detecting smoke, and a smoke signal is transmitted to the industrial personal computer of the test bed, so that the smoke alarm shutdown function is realized; the automatic fire extinguishing device utilizes the characteristics of the fire detection pipe, and when the fire detection pipe is melted at high temperature, the fire detection pipe releases fire extinguishing medium to realize automatic fire extinguishing.
In the embodiment, two sets of monitoring systems based on an internal network and an external network are respectively established by installing a smoke sensor, an alternating current transmitter, an automatic fire extinguishing device and the like on a test bed; during working hours, the running condition of the test bed is remotely checked through the intranet monitoring system. During the off duty period, the mobile phone or the household computer can access the external network remote monitoring system to know the running condition of the test bed in real time. If the test bed stops running due to relevant faults, a short message is sent to inform relevant responsible persons.
In this embodiment, the ac current transducer is a current detecting sensor (in the sensor module of fig. 2) for detecting the current of the motor and transmitting the detected current signal to the analog input board.
In this embodiment, the intranet monitoring system includes video monitoring, data monitoring, and intranet shutdown functions. The intranet monitoring system uploads the data of the industrial personal computer to a website through a local area network, and transmits the shutdown operation in the website to the industrial personal computer of the test bed through the network, so that the remote shutdown function of the intranet is realized. Meanwhile, due to the adoption of the network camera, video monitoring can be integrated in the website system in a software embedding mode, and remote monitoring of videos is realized.
In this embodiment, the main difference between the external network monitoring system and the internal network monitoring system is that the data is from the data acquisition module, and the video monitoring, data transmission and remote shutdown control are performed through the internet.
In this embodiment, the control module is a control board for controlling the proportional relief valve, and the suction of the electromagnet of the proportional relief valve is controlled by simulating 1 path of analog signal transmitted by the output board.
In this embodiment, the fault feedback and operation feedback module: the fault feedback comprises that the protective door is not closed, the motor is overheated, the high-pressure oil filter is blocked, the oil return filter is blocked, the oil cooler has faults, and the liquid level of the oil tank is low. For example, when the high-pressure oil filter is blocked, the fault feedback module transmits the fault signal to the test bed industrial personal computer through the digital input board, and the test bed industrial personal computer receives the information and then gives an alarm signal and stops the machine in a linkage mode. The operation feedback comprises the operation feedback of 7 paths of electromagnets, 1 path of heater, 1 path of oil cooler and 1 path of motor. The operation feedback module transmits the 10 paths of signals into the test bed industrial personal computer through the digital input board, and the test bed industrial personal computer receives corresponding information and then displays the corresponding information. For example, whether the motor is running or not, and the industrial personal computer of the test bed has corresponding display.
In this embodiment, the relay and operation control module: the relay is mainly used for realizing the on-off of a motor circuit, mainly comprises 3 paths and is used for realizing internal emergency stop (intranet manual stop), external emergency stop (extranet manual stop) and linkage stop (fault stop). The operation control module is mainly controlled by 7 paths of electromagnets and 3 paths of heaters, and the industrial personal computer of the test bed transmits an operation instruction to the relay and the operation control module through the digital output board, so that the control of the electromagnets and the heaters is realized.
In this embodiment, the sensor module mainly includes a motor current sensor (i.e., an ac current transmitter), a smoke concentration sensor, an oil tank temperature sensor, a fatigue test pressure sensor, a tested piece pressure sensor, an environment temperature sensor, a tested piece temperature sensor, a back pressure sensor, and a measuring cylinder piston displacement sensor. Wherein:
the motor current sensor is used for detecting the current of the motor during working, and when the current is too large (exceeds an early warning value), an alarm is generated and the motor is shut down in a linkage manner.
The smoke concentration sensor is used for detecting smoke concentration, and when the smoke concentration is too high (exceeds an early warning value), an alarm is generated and the machine is shut down in a linkage mode.
The oil tank temperature sensor is used for detecting the temperature of an oil tank, and can generate an alarm and shut down in a linkage manner when the temperature of the oil tank is too high (exceeds an early warning value).
The fatigue test pressure sensor is used for detecting the pressure of a fatigue test, and when the pressure is too high or too low (exceeds the highest early warning value/is lower than the lowest early warning value), an alarm is generated and the machine is shut down in a linkage manner.
The other sensors are only used for displaying and do not participate in the control operation of the test bed.
Claims (5)
1. An unattended test bed comprises a test bed industrial personal computer, an analog output board, a digital input board, a digital output board, an analog input board, a control module, a fault feedback and operation feedback module, a relay and operation control module and a sensor module; the control module is electrically connected with the analog output board, the fault feedback and operation feedback module is electrically connected with the digital input board, the relay and operation control module is electrically connected with the digital output board, and the sensor module is electrically connected with the analog input board; the test bed industrial personal computer is used for operation control, signal acquisition, data display and fault shutdown control of the test bed;
the method is characterized in that: the system also comprises an internal network monitoring system, a data acquisition module and an external network monitoring system; the intranet monitoring system is in data communication with an industrial personal computer of the test bed through a local area network; the data acquisition module is electrically connected with the digital output board and the analog input board respectively; the data acquisition module is in data communication with an external network monitoring system through the Internet;
the intranet monitoring system is used for realizing intranet monitoring and control of the test bed, collecting and feeding back key parameters for controlling the test bed and realizing intranet remote shutdown control of the test bed;
the data acquisition module is used for acquiring analog signals and transmitting digital signals, and the digital output board is used for controlling the relay and the operation control module to work so as to realize on-off control of the power supply of the test bed; the data acquisition module is also in data communication with an external network monitoring system through the Internet;
the system comprises an external network monitoring system, a message SMS service module and a mobile phone terminal, wherein the external network monitoring system is used for carrying out external network monitoring, data monitoring and external network shutdown control on the test bed, and is also provided with the message SMS service module for sending a reminding short message to the corresponding mobile phone terminal when the test bed is in fault shutdown.
2. The unattended testing station according to claim 1, wherein: further comprising:
the automatic fire extinguishing device is arranged in the test bed area;
the sensor module comprises a smoke sensor, the smoke sensor detects smoke in the test bed area, sends smoke signals to the test bed industrial personal computer, starts a smoke alarm shutdown function when the test bed industrial personal computer judges that a detection value reaches a preset value, and starts the automatic fire extinguishing device to extinguish fire.
3. The unattended testing station according to claim 1 or 2, wherein: the data acquisition module adopts an ADAM6017 module which is provided with a 16-bit A/D module and provides analog quantity input of 8 channels and digital quantity output of 2 channels, the 8-channel analog channels are used for acquiring voltage and current analog quantity input signals of pressure, temperature, current, oil cooler faults, intranet heartbeat signal alarm, oil tank liquid level low alarm, high-pressure oil filter blockage alarm and oil return filter blockage alarm of a test bed, and the digital quantity output of one channel is used for outputting a remote shutdown signal.
4. The unattended testing station according to claim 3, wherein: the message SMS service module is realized through a short message sending function provided on a website.
5. The unattended testing station according to claim 1, 2 or 4, wherein: the system also comprises two network cameras which are respectively connected with the local area network switch and the internet switch through network cables, and is used for realizing the remote picture monitoring of an internal network and an external network on key positions and surrounding environments of the test bed through the local area network and the internet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010113568.XA CN111221291A (en) | 2020-02-24 | 2020-02-24 | Unattended test bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010113568.XA CN111221291A (en) | 2020-02-24 | 2020-02-24 | Unattended test bed |
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Cited By (1)
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| CN112558531A (en) * | 2020-12-29 | 2021-03-26 | 天津航天瑞莱科技有限公司 | Intelligent control system of high-temperature fuel test bed |
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Application publication date: 20200602 |