CN111045362A - Alarm detection automatic disconnection controller and control method - Google Patents
Alarm detection automatic disconnection controller and control method Download PDFInfo
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- CN111045362A CN111045362A CN201911277696.1A CN201911277696A CN111045362A CN 111045362 A CN111045362 A CN 111045362A CN 201911277696 A CN201911277696 A CN 201911277696A CN 111045362 A CN111045362 A CN 111045362A
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- 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
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention provides an automatic wire break controller for alarm detection in the field of automatic testing, which comprises an upper computer, at least one measuring board, a communication board, at least one output board, a wire break control board and tested equipment, wherein the upper computer is connected with the communication board; one end of the measuring board is connected with the tested equipment, and the other end of the measuring board is connected with the communication board, the output board and the broken line control board; one end of the communication board is connected with an upper computer, and the other end of the communication board is connected with the output board and the broken line control board; one end of the broken line control board is connected with the output board, and the other end of the broken line control board is connected with the tested equipment; the disconnection control board comprises a relay group, a first MCU and a first bus communication chip; the invention also provides a control method of the automatic disconnection controller for alarm detection. The invention has the advantages that: realize warning detection and automatic broken string, and then very big promotion the security that detects.
Description
Technical Field
The invention relates to the field of automatic testing, in particular to an automatic disconnection controller for alarm detection and a control method.
Background
After the enterprise finishes producing various electronic devices, the enterprise needs to carry out factory detection on the various electronic devices, and products qualified in detection can be sold in a factory. The factory detection of the electronic device comprises voltage detection, current detection, temperature detection and other items, in order to complete the detection items, an output board is needed to output signals to the tested equipment, a measuring board is needed to measure the signals of the tested equipment, and a communication board reports received data to an upper computer.
However, in order to enable the output board and the measuring board to be freely combined, the output board and the measuring board are set to be independent of each other, namely, the output board, the measuring board and the communicating board are respectively controlled by an upper computer in a unified manner, and the output board, the measuring board and the communicating board occupy a large number of pins due to more components and parts, and are not provided with an integrated control module.
The conventional method has the following disadvantages: because the output board and the measuring board are mutually independent, when any one of the output board and the measuring board has a fault, the control on the tested equipment is lost, and the safety is poor; because the output board, the measuring board and the communication board are not provided with an integrated control module, the output board, the measuring board and the communication board can only control the output to stop, the tested device under test cannot be subjected to emergency stop and open circuit, and the safety is poor.
Therefore, how to provide an automatic wire-breaking controller for alarm detection and a control method thereof to realize alarm detection and automatic wire breaking and further improve the detection safety becomes a problem to be solved urgently.
Disclosure of Invention
One of the technical problems to be solved by the present invention is to provide an automatic disconnection controller for alarm detection, which realizes alarm detection and automatic disconnection, and further improves the safety of detection.
The invention realizes one of the technical problems as follows: an automatic wire breakage controller for alarm detection comprises an upper computer, at least one measuring board, a communication board, at least one output board, a wire breakage control board and a tested device;
one end of the measuring board is connected with the tested equipment, and the other end of the measuring board is connected with the communication board, the output board and the broken line control board; one end of the communication board is connected with an upper computer, and the other end of the communication board is connected with the output board and the broken line control board; one end of the broken line control board is connected with the output board, and the other end of the broken line control board is connected with the tested equipment;
the disconnection control board comprises a relay group, a first MCU and a first bus communication chip;
the input end of the relay group is connected with the output board, and the output end of the relay group is connected with the tested equipment; one end of the first MCU is connected with the relay set, and the other end of the first MCU is connected with the first bus communication chip; the first bus communication chip is respectively connected with the measuring board, the communication board and the output board.
Furthermore, the measuring board comprises a sensor group, a second MCU and a second bus communication chip;
one end of the sensor group is connected with the tested equipment, and the other end of the sensor group is connected with the second MCU; one end of the second bus communication chip is connected with the second MCU, and the other end of the second bus communication chip is respectively connected with the communication board, the output board and the first bus communication chip.
Further, the sensor group comprises a plurality of sensors; the sensor is a voltage sensor, a current sensor or a temperature sensor.
Furthermore, the communication board comprises a communication interface, a third MCU and a third bus communication chip;
one end of the communication interface is connected with an upper computer, and the other end of the communication interface is connected with the third MCU; one end of the third bus communication chip is connected with the third MCU, and the other end of the third bus communication chip is respectively connected with the communication board, the output board and the first bus communication chip.
Furthermore, the output board comprises a signal output interface group, a fourth MCU and a fourth bus communication chip;
one end of the signal output interface group is connected with the input end of the relay group, and the other end of the signal output interface group is connected with the fourth MCU; one end of the fourth bus communication chip is connected with the fourth MCU, and the other end of the fourth bus communication chip is respectively connected with the communication board, the output board and the first bus communication chip.
Furthermore, the device also comprises a power supply for the tested device; one end of the power supply of the tested device is connected with the relay set, and the other end of the power supply of the tested device is connected with the tested device.
Further, the first bus communication chip, the second bus communication chip, the third bus communication chip and the fourth bus communication chip are all a CAN bus communication chip, a 485 bus communication chip or an ethernet communication chip.
The second technical problem to be solved by the present invention is to provide a control method for an alarm detection automatic disconnection controller, which realizes alarm detection and automatic disconnection, and further improves the detection safety.
The invention realizes the second technical problem in the following way: a control method of an alarm detection automatic disconnection controller needs to use the controller, and comprises the following steps:
s10, setting a monitoring scheme through an upper computer, and sending the monitoring scheme to a communication board;
step S20, the communication board shares the monitoring scheme to the measuring board, the output board and the broken line control board through a bus, and controls the broken line control board to conduct the relay set;
step S30, the output board outputs a test signal to the tested device based on the bus-shared monitoring scheme, so that the tested device enters a corresponding work flow;
step S40, the measurement board measures the signal of the tested device based on the bus-shared monitoring scheme to generate measurement data;
step S50, the communication board automatically acquires the test data of the measurement board through a bus and sends the test data to the upper computer, the output board and the broken line control board;
and step S60, the disconnection control board acquires the test data through a bus, and controls the relay set to disconnect the output signal, supply power to the port equipment or open the emergency stop switch based on the monitoring scheme and the test data so as to protect the equipment to be tested.
Further, in the step S10, the monitoring scheme includes a monitoring parameter, an alarm threshold, and an alarm processing rule;
the monitored parameter comprises voltage, current or temperature; the alarm threshold comprises an upper threshold or a lower threshold; and the alarm processing rule is that after the numerical value of the monitoring parameter exceeds an alarm threshold value, the relay corresponding to the relay group is disconnected.
Further, the step S60 specifically includes:
step S61, the broken line control board obtains the test data through a bus;
step S62, the disconnection control board compares the numerical value of the monitoring parameter in the test data with an alarm threshold value, judges whether the numerical value of the monitoring parameter exceeds the alarm threshold value, and controls a corresponding relay to cut off an output signal, supply power to port equipment or open an emergency stop switch according to the alarm processing rule if the numerical value of the monitoring parameter exceeds the alarm threshold value; if not, continuing monitoring.
The invention has the advantages that:
1. through will measure board, communication board, output board and broken string control panel and utilize the bus to connect, monitor the data of sharing on the bus at any time, can also control equipment under test when any one of them party breaks down, for output board and measurement board mutual independence in the tradition, very big promotion the security that detects.
2. Through setting up output board and equipment under test are connected to the relay group, work as the disconnection control board detects according to the monitoring scheme when having the warning, can break off the relay that the relay group corresponds, the equipment under test of protection for can't carry out the scram circuit break to equipment under test in the tradition, realize warning detection and automatic disconnection, very big promotion the security that detects.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a circuit schematic block diagram of an alarm detection automatic disconnection controller of the invention.
Fig. 2 is a schematic block diagram of the circuit of the measurement plate of the present invention.
Fig. 3 is a schematic block circuit diagram of the communication board of the present invention.
Fig. 4 is a schematic block circuit diagram of the output board of the present invention.
Fig. 5 is a schematic block diagram of the circuitry of the relay assembly of the present invention.
Fig. 6 is a schematic block circuit diagram of the device under test of the present invention.
FIG. 7 is a flow chart of a control method of the alarm detection automatic disconnection controller of the invention.
Description of the labeling:
100-an alarm detection automatic disconnection controller, 1-an upper computer, 2-a measurement board, 3-a communication board, 4-an output board, 5-a disconnection control board, 6-a device to be tested, 21-a sensor group, 22-a second MCU, 23-a second bus communication chip, 31-a communication interface, 32-a third MCU, 33-a third bus communication chip, 41-a signal output interface group, 42-a fourth MCU, 43-a fourth bus communication chip, 51-a relay group, 52-a first MCU, 53-a first bus communication chip, 511-a relay, 61-a power supply source of the device to be tested.
Detailed Description
Referring to fig. 1 to 7, a preferred embodiment of an alarm detection automatic disconnection controller 100 according to the present invention includes an upper computer 1, at least one measuring board 2, a communication board 3, at least one output board 4, a disconnection control board 5 and a device under test 6; the upper computer 1 is used for configuring a monitoring scheme for the tested equipment 6 and controlling the on-off of the relay set 51; the measuring plate 2 is used for measuring the voltage, the current or the temperature of the tested device 6; the communication board 3 is used for receiving an instruction issued by the upper computer 1, transmitting the instruction to the measuring board 2, the output board 4 or the broken line control board 5, and uploading the measuring data of the measuring board 2 to the upper computer 1; the output board 4 is used for loading different test signals to the tested device 6, so that the tested device 6 can enter different work flows, such as outputting constant voltage, constant current or PWM signals; the disconnection control board 5 is used for monitoring the shared test data on the bus and disconnecting the corresponding relay 511 in the relay group 51 according to the alarm processing rule;
one end of the measuring plate 2 is connected with a tested device 6, and the other end of the measuring plate is connected with the communication plate 3, the output plate 4 and the broken line control plate 5; one end of the communication board 3 is connected with the upper computer 1, and the other end of the communication board is connected with the output board 4 and the broken line control board 5; one end of the broken line control board 5 is connected with the output board 4, and the other end of the broken line control board is connected with the tested equipment 6;
the disconnection control board 5 comprises a relay set 51, a first MCU52 and a first bus communication chip 53; the relay set 51 includes a plurality of relays 511; the connection between the relay set 51 and the tested device 6 comprises an output lead and two emergency stop control lines; the emergency stop control line is used for disconnecting the device to be tested 6 when an emergency occurs; the first MCU52 is used to control the on/off of the relay set 51 and the first bus communication chip 53 for communication, and in specific implementation, it is only necessary to select an MCU capable of implementing this function from the prior art, and the model is not limited to any type, which is available to those skilled in the art without creative work.
The input end of the relay group 51 is connected with the output board 4, and the output end is connected with the tested device 6; one end of the first MCU52 is connected with the relay set 51, and the other end is connected with the first bus communication chip 53; the first bus communication chip 53 is connected to the measurement board 2, the communication board 3, and the output board 4, respectively.
The measuring board 2 comprises a sensor group 21, a second MCU22 and a second bus communication chip 23; the second MCU22 is used to control the measurement of the sensor group 21 and the second bus communication chip 23 to communicate, and in specific implementation, it is only necessary to select an MCU capable of implementing this function from the prior art, and the model is not limited to any model, which is available to those skilled in the art without creative work.
One end of the sensor group 21 is connected with the device to be tested 6, and the other end is connected with the second MCU 22; one end of the second bus communication chip 23 is connected to the second MCU22, and the other end is connected to the communication board 3, the output board 4, and the first bus communication chip 53.
The sensor group 21 includes a plurality of sensors (not shown); the sensor is a voltage sensor, a current sensor or a temperature sensor and the like.
The communication board 3 comprises a communication interface 31, a third MCU32 and a third bus communication chip 33; the third MCU32 is used to control the communication interface 31 to communicate with the upper computer 1, and control the third bus communication chip 33 to communicate with the measurement board 2, the output board 3, and the disconnection control board 5.
One end of the communication interface 31 is connected with the upper computer 1, and the other end is connected with the third MCU 32; one end of the third bus communication chip 33 is connected to the third MCU32, and the other end is connected to the communication board 3, the output board 4, and the first bus communication chip 53.
The communication interface 31 is an interface of which the physical layer protocol is a bus-type communication protocol such as 485, CAN or CAN FD.
The output board 4 includes a signal output interface group 41, a fourth MCU42 and a fourth bus communication chip 43; the signal output interface group 41 includes a plurality of signal output interfaces (not shown), and the fourth MCU42 is used for controlling the signal output interface group 41 to load different test signals to the device under test 6 through the relay group 51, and controlling the fourth bus communication chip 43 to communicate with the measurement board 2, the communication board 3 and the disconnection control board 5.
One end of the signal output interface group 41 is connected with the input end of the relay group 51, and the other end is connected with the fourth MCU 42; one end of the fourth bus communication chip 43 is connected to the fourth MCU42, and the other end is connected to the communication board 3, the output board 4, and the first bus communication chip 53.
The power supply 61 of the device to be tested is also included; one end of the power supply 61 of the device to be tested is connected with the relay set 51, and the other end is connected with the device to be tested 6.
The first bus communication chip 53, the second bus communication chip 23, the third bus communication chip 33 and the fourth bus communication chip 43 are all a CAN bus communication chip, a 485 bus communication chip or an ethernet communication chip; the first bus communication chip 53, the second bus communication chip 23, the third bus communication chip 33 and the fourth bus communication chip 43 are used for bus communication, and in the implementation, only the bus communication chip capable of realizing the function is selected from the prior art, and the bus communication chip is not limited to any model, which is available to those skilled in the art without creative work.
The invention discloses a better embodiment of a control method of an alarm detection automatic disconnection controller, which comprises the following steps:
s10, setting a monitoring scheme through an upper computer, and sending the monitoring scheme to a communication board;
step S20, the communication board shares the monitoring scheme to the measuring board, the output board and the broken line control board through a bus, and controls the broken line control board to conduct the relay set;
step S30, the output board outputs a test signal to the tested device based on the bus-shared monitoring scheme, so that the tested device enters a corresponding work flow;
step S40, the measurement board measures the signal of the tested device based on the bus-shared monitoring scheme to generate measurement data;
step S50, the communication board automatically acquires the test data of the measurement board through a bus and sends the test data to the upper computer, the output board and the broken line control board;
and step S60, the disconnection control board acquires the test data through a bus, and controls the relay set to disconnect the output signal, supply power to the port equipment or open the emergency stop switch based on the monitoring scheme and the test data so as to protect the equipment to be tested.
In step S10, the monitoring scheme includes a monitoring parameter, an alarm threshold, and an alarm processing rule;
the monitored parameter comprises voltage, current or temperature; the alarm threshold comprises an upper threshold or a lower threshold; and the alarm processing rule is that after the numerical value of the monitoring parameter exceeds an alarm threshold value, the relay corresponding to the relay group is disconnected. The monitoring parameters also comprise the number of the measuring plate, and when a plurality of measuring plates exist, the number is used for selecting the measuring plate needing to be monitored.
The step S60 specifically includes:
step S61, the broken line control board obtains the test data through a bus;
step S62, the disconnection control board compares the numerical value of the monitoring parameter in the test data with an alarm threshold value, judges whether the numerical value of the monitoring parameter exceeds the alarm threshold value, and controls a corresponding relay to cut off an output signal, supply power to port equipment or open an emergency stop switch according to the alarm processing rule if the numerical value of the monitoring parameter exceeds the alarm threshold value; if not, continuing monitoring.
For example, the monitoring scheme is set by an upper computer to monitor the voltage parameter of the tested equipment, the upper threshold value of the voltage parameter is 5V, and the alarm processing rule is that the first relay is switched off when the voltage of the tested equipment exceeds 5V; the first MCU monitors the measurement data on the bus through the first bus communication chip, and when the voltage value in the measurement data exceeds 5V, the first relay is switched off according to the alarm processing rule.
In summary, the invention has the advantages that:
1. through will measure board, communication board, output board and broken string control panel and utilize the bus to connect, monitor the data of sharing on the bus at any time, can also control equipment under test when any one of them party breaks down, for output board and measurement board mutual independence in the tradition, very big promotion the security that detects.
2. Through setting up output board and equipment under test are connected to the relay group, work as the disconnection control board detects according to the monitoring scheme when having the warning, can break off the relay that the relay group corresponds, the equipment under test of protection for can't carry out the scram circuit break to equipment under test in the tradition, realize warning detection and automatic disconnection, very big promotion the security that detects.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (10)
1. The utility model provides an automatic disconnection control appearance of warning detection which characterized in that: the device comprises an upper computer, at least one measuring board, a communication board, at least one output board, a broken line control board and a tested device;
one end of the measuring board is connected with the tested equipment, and the other end of the measuring board is connected with the communication board, the output board and the broken line control board; one end of the communication board is connected with an upper computer, and the other end of the communication board is connected with the output board and the broken line control board; one end of the broken line control board is connected with the output board, and the other end of the broken line control board is connected with the tested equipment;
the disconnection control board comprises a relay group, a first MCU and a first bus communication chip;
the input end of the relay group is connected with the output board, and the output end of the relay group is connected with the tested equipment; one end of the first MCU is connected with the relay set, and the other end of the first MCU is connected with the first bus communication chip; the first bus communication chip is respectively connected with the measuring board, the communication board and the output board.
2. The alarm detection automatic disconnection controller of claim 1, wherein: the measuring board comprises a sensor group, a second MCU and a second bus communication chip;
one end of the sensor group is connected with the tested equipment, and the other end of the sensor group is connected with the second MCU; one end of the second bus communication chip is connected with the second MCU, and the other end of the second bus communication chip is respectively connected with the communication board, the output board and the first bus communication chip.
3. The alarm detection automatic disconnection controller of claim 2, wherein: the sensor group comprises a plurality of sensors; the sensor is a voltage sensor, a current sensor or a temperature sensor.
4. The alarm detection automatic disconnection controller of claim 1, wherein: the communication board comprises a communication interface, a third MCU and a third bus communication chip;
one end of the communication interface is connected with an upper computer, and the other end of the communication interface is connected with the third MCU; one end of the third bus communication chip is connected with the third MCU, and the other end of the third bus communication chip is respectively connected with the communication board, the output board and the first bus communication chip.
5. The alarm detection automatic disconnection controller of claim 1, wherein: the output board comprises a signal output interface group, a fourth MCU and a fourth bus communication chip;
one end of the signal output interface group is connected with the input end of the relay group, and the other end of the signal output interface group is connected with the fourth MCU; one end of the fourth bus communication chip is connected with the fourth MCU, and the other end of the fourth bus communication chip is respectively connected with the communication board, the output board and the first bus communication chip.
6. The alarm detection automatic disconnection controller of claim 1, wherein: the power supply of the tested device is also included; one end of the power supply of the tested device is connected with the relay set, and the other end of the power supply of the tested device is connected with the tested device.
7. An alarm detection automatic disconnection controller as claimed in claim 1, 2, 4 or 5, wherein: the first bus communication chip, the second bus communication chip, the third bus communication chip and the fourth bus communication chip are all CAN bus communication chips, 485 bus communication chips or Ethernet communication chips.
8. A control method of an automatic disconnection controller for alarm detection is characterized in that: the method is to use the control instrument according to any one of claims 1 to 7, the method comprising the steps of:
s10, setting a monitoring scheme through an upper computer, and sending the monitoring scheme to a communication board;
step S20, the communication board shares the monitoring scheme to the measuring board, the output board and the broken line control board through a bus, and controls the broken line control board to conduct the relay set;
step S30, the output board outputs a test signal to the tested device based on the bus-shared monitoring scheme, so that the tested device enters a corresponding work flow;
step S40, the measurement board measures the signal of the tested device based on the bus-shared monitoring scheme to generate measurement data;
step S50, the communication board automatically acquires the test data of the measurement board through a bus and sends the test data to the upper computer, the output board and the broken line control board;
and step S60, the disconnection control board acquires the test data through a bus, and controls the relay set to disconnect the output signal, supply power to the port equipment or open the emergency stop switch based on the monitoring scheme and the test data so as to protect the equipment to be tested.
9. The control method of the alarm detection automatic disconnection controller according to claim 8, characterized in that: in step S10, the monitoring scheme includes a monitoring parameter, an alarm threshold, and an alarm processing rule;
the monitored parameter comprises voltage, current or temperature; the alarm threshold comprises an upper threshold or a lower threshold; and the alarm processing rule is that after the numerical value of the monitoring parameter exceeds an alarm threshold value, the relay corresponding to the relay group is disconnected.
10. The control method of the alarm detection automatic disconnection controller according to claim 9, characterized in that: the step S60 specifically includes:
step S61, the broken line control board obtains the test data through a bus;
step S62, the disconnection control board compares the numerical value of the monitoring parameter in the test data with an alarm threshold value, judges whether the numerical value of the monitoring parameter exceeds the alarm threshold value, and controls a corresponding relay to cut off an output signal, supply power to port equipment or open an emergency stop switch according to the alarm processing rule if the numerical value of the monitoring parameter exceeds the alarm threshold value; if not, continuing monitoring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911277696.1A CN111045362A (en) | 2019-12-11 | 2019-12-11 | Alarm detection automatic disconnection controller and control method |
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| CN201911277696.1A CN111045362A (en) | 2019-12-11 | 2019-12-11 | Alarm detection automatic disconnection controller and control method |
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