CN112179405B - Detection system for testing ship air intake and exhaust system - Google Patents
Detection system for testing ship air intake and exhaust system Download PDFInfo
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- CN112179405B CN112179405B CN202010902751.8A CN202010902751A CN112179405B CN 112179405 B CN112179405 B CN 112179405B CN 202010902751 A CN202010902751 A CN 202010902751A CN 112179405 B CN112179405 B CN 112179405B
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Abstract
The invention provides a detection system for testing a ship air intake and exhaust system, which comprises a control instruction set formed by instructions sent by a control assembly when calling peripheral equipment, a feedback signal set formed by feedback signals sent by the peripheral equipment to the control assembly, a simulation instruction generated by the control assembly and the peripheral equipment according to the control instruction set and the feedback signal set and simulating the correct control process of the control assembly and the correct response process of the peripheral equipment, so as to realize the independent test of the control assembly and the peripheral equipment; therefore, the portable integrated design is adopted, the problem that the system function can be quickly detected only by jointly debugging the ship air intake and exhaust system is solved, and the working efficiency in the aspects of debugging, acceptance check, troubleshooting, maintenance and the like of the air intake and exhaust system is greatly improved.
Description
Technical Field
The invention belongs to the technical field of equipment detection, and particularly relates to a detection system for testing an air intake and exhaust system of a ship.
Background
When the existing ship air intake and exhaust monitoring system is produced and used, the function and performance of the existing ship air intake and exhaust monitoring system is checked and accepted mainly by arranging a special field and time after a whole set of system devices are matched and sleeved, and the system is operated and checked.
Disclosure of Invention
In order to solve the problems, the invention provides a detection system for testing an air intake and exhaust system of a ship, which can greatly improve the working efficiency of the air intake and exhaust system in the aspects of debugging, acceptance, troubleshooting, maintenance and the like.
A detection system for testing a ship intake and exhaust system comprises a control assembly and peripheral equipment with single function, wherein the control assembly controls the peripheral equipment to work, instructions sent by the control assembly when calling the peripheral equipment form a control instruction set, and feedback signals sent by the peripheral equipment to the control assembly form a feedback signal set when the peripheral equipment is successfully called by the control assembly, wherein the control instructions in the control instruction set correspond to the feedback signals in the feedback signal set one by one;
the detection system comprises an interface conversion unit, a signal acquisition unit, a resolving unit, an instruction unit and an instruction output unit;
the interface conversion unit is used for connecting a control component or peripheral equipment to be tested through a CAN bus;
when the interface conversion unit is accessed to the control component to be tested, the instruction unit traverses the control instruction set, and respectively takes each control instruction as a current instruction to execute the following judgment operation:
the instruction unit sends the current instruction to a resolving unit; the resolving unit is used for acquiring a feedback signal corresponding to the current instruction and forwarding the current instruction to the instruction output unit; the instruction output unit converts the current instruction into an analog control signal and then sends the analog control signal to the control assembly to be tested through the interface conversion unit; the control component to be tested generates an analog response signal under the trigger of the analog control signal; the signal acquisition unit acquires the analog response signal through the interface conversion unit and then sends the analog response signal to the resolving unit; the resolving unit judges whether a feedback signal corresponding to the current instruction is the same as the analog response signal or not, if so, the next control instruction is adopted as the current instruction to re-execute the judging operation until the control instruction set is traversed; if not, the control component to be tested of the current access interface conversion unit is in an abnormal working state;
when the interface conversion unit is accessed to the peripheral equipment to be tested, the instruction unit acquires a control instruction corresponding to the peripheral equipment and then sends the control instruction to the resolving unit; the resolving unit is used for acquiring a feedback signal corresponding to the control instruction and forwarding the control instruction to the instruction output unit; the instruction output unit converts the control instruction into an analog control signal and then sends the analog control signal to the peripheral equipment to be tested through the interface conversion unit; the peripheral equipment to be tested generates an analog response signal under the trigger of the analog control signal; the signal acquisition unit acquires the analog response signal through the interface conversion unit and then sends the analog response signal to the resolving unit; the resolving unit judges whether a feedback signal corresponding to the control instruction is the same as the analog response signal or not, and if so, the peripheral equipment to be tested of the current access interface conversion unit is in a normal working state; if not, the peripheral equipment to be tested of the current access interface conversion unit is in an abnormal working state.
Furthermore, the CAN bus is provided with an equipment node number, and the control component and each peripheral device correspond to different equipment node numbers, so that the interface conversion unit automatically identifies the type of the currently accessed equipment to be tested through the currently adopted equipment node number of the CAN bus.
Further, the peripheral devices include temperature sensors, pressure sensors, air doors, shutters, and electrical heating switches.
Further, the control instruction set comprises a temperature control instruction, a pressure difference control instruction, a servo switch control instruction, an electric heating source switch control instruction and a shutter indication switch control instruction.
Further, the feedback signal set includes a temperature feedback signal, a pressure difference feedback signal, a servo state feedback signal, an electrical heating source state feedback signal, and a shutter state feedback signal.
Has the advantages that:
the invention provides a detection system for testing a ship air intake and exhaust system, which comprises a control instruction set formed by instructions sent by a control assembly when calling peripheral equipment, a feedback signal set formed by feedback signals sent by the peripheral equipment to the control assembly, a simulation instruction generated by the control assembly and the peripheral equipment according to the control instruction set and the feedback signal set and simulating the correct control process of the control assembly and the correct response process of the peripheral equipment, so as to realize the independent test of the control assembly and the peripheral equipment; therefore, the portable integrated design is adopted, the problem that the system function can be quickly detected only by jointly debugging the ship air inlet and outlet system is solved, and the working efficiency in the aspects of debugging, acceptance check, troubleshooting, maintenance and the like of the air inlet and outlet system is greatly improved.
Drawings
FIG. 1 is a schematic block diagram of a detection system for testing a ship intake and exhaust system provided by the present invention;
fig. 2 is a schematic diagram illustrating the principle of a full-automatic function detection device for an air intake and exhaust system provided by the invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
As shown in fig. 1, a detection system for testing a ship intake and exhaust system includes a control component and peripheral devices with single functions, the control component controls the peripheral devices to work, instructions sent by the control component when calling the peripheral devices form a control instruction set, and feedback signals sent by the peripheral devices to the control component when successfully calling the peripheral devices form a feedback signal set, wherein the control instructions in the control instruction set correspond to the feedback signals in the feedback signal set one by one.
Optionally, the peripheral device includes a temperature sensor, a pressure sensor, an air door, a louver, and an electric heating switch, and the control instruction set includes a temperature control instruction, a pressure difference control instruction, a servo switch control instruction, an electric heating source switch control instruction, a louver indication switch control instruction, and the like; the feedback signal set comprises a temperature feedback signal, a pressure difference feedback signal, a servo state feedback signal, an electric heating source state feedback signal, a shutter state feedback signal and the like.
The detection system comprises an interface conversion unit, a signal acquisition unit, a resolving unit, an instruction unit and an instruction output unit.
The interface conversion unit is used for connecting a control component or peripheral equipment to be tested through a CAN bus. It should be noted that the CAN bus is provided with an equipment node number, and the control component and each peripheral device correspond to different equipment node numbers, so that the interface conversion unit automatically identifies the type of the currently accessed device to be tested through the currently adopted equipment node number of the CAN bus. For example, the equipment node numbers are distributed in the range of 0-100, the control components or peripheral equipment of the intake air monitoring system are to be tested, the equipment node numbers are distributed in the range of 101-.
When the interface conversion unit is accessed to the control component to be tested, the instruction unit traverses the control instruction set, and respectively takes each control instruction as a current instruction to execute the following judgment operation:
the instruction unit sends the current instruction to a resolving unit; the resolving unit is used for acquiring a feedback signal corresponding to the current instruction and forwarding the current instruction to the instruction output unit; the instruction output unit converts the current instruction into an analog control signal and then sends the analog control signal to the control assembly to be tested through the interface conversion unit; the control component to be tested generates an analog response signal under the trigger of the analog control signal; the signal acquisition unit acquires the analog response signal through the interface conversion unit and then sends the analog response signal to the resolving unit; the resolving unit judges whether a feedback signal corresponding to the current instruction is the same as the analog response signal or not, if so, the next control instruction is adopted as the current instruction to re-execute the judging operation until the control instruction set is traversed; if not, the control component to be tested of the current access interface conversion unit is in an abnormal working state.
When the interface conversion unit is accessed to the peripheral equipment to be tested, the instruction unit acquires a control instruction corresponding to the peripheral equipment and then sends the control instruction to the resolving unit; the resolving unit is used for acquiring a feedback signal corresponding to the control instruction and forwarding the control instruction to the instruction output unit; the instruction output unit converts the control instruction into an analog control signal and then sends the analog control signal to the peripheral equipment to be tested through the interface conversion unit; the peripheral equipment to be tested generates an analog response signal under the trigger of the analog control signal; the signal acquisition unit acquires the analog response signal through the interface conversion unit and then sends the analog response signal to the resolving unit; the resolving unit judges whether a feedback signal corresponding to the control instruction is the same as the analog response signal or not, and if so, the peripheral equipment to be tested of the current access interface conversion unit is in a normal working state; if not, the peripheral equipment to be tested of the current access interface conversion unit is in an abnormal working state.
It should be noted that the detection system of the present invention can adopt a portable independent design, and the air intake and exhaust full-automatic function detection device is composed of a box body, a core control panel and a key/knob expansion board, as shown in fig. 2. The key/knob expansion board is formed by an interface conversion unit; therefore, the detection system has a simple appearance and a humanized portable design, the interface conversion unit adopts 1 YMG series aviation connector, the interface is simple and reasonable, and the detection system can automatically supply power when being connected to a ship air inlet and exhaust system; the ARM control module is installed on a key and a knob expansion board by adopting a bus slot design, and the whole module is installed in a building block type combination mode, so that the expansion capability is strong, and the function combination is convenient and quick to adjust.
The intake and exhaust logic simulation control model is mainly matched with decision work design of an intake and exhaust system, provides the running state (pressure, temperature and switch state) of the current device, the control signal output state and the monitoring strategy running mode for the intake and exhaust system simulation, and provides data such as monitoring strategy resolving data and user operation instructions for the simulation.
In addition, each functional logic unit of the software in the detection system corresponds to a functional detection item, the functions of the logic units are relatively independent, the logic units adopt a loose coupling design, and an execution mode of combining multithreading asynchronous processing and key point synchronization is adopted.
It can be seen that the working principle of the detection system of the present invention is as follows:
the instruction unit is used for simulating functions of USB keyboard operation input instructions, control panel monitoring state display and the like, analyzing keyboard input key codes and converting the keyboard input key codes into corresponding monitoring strategy operation mode setting instructions, monitoring signal output instructions, alarm response instructions and the like; transmitting instructions such as a monitoring strategy operation mode and a manual signal output instruction to a resolving unit for execution, and transmitting related instructions to a control assembly or peripheral equipment to be tested for execution; the delay between instruction acquisition and instruction processing does not exceed 100 ms.
The resolving unit is responsible for simulating various control strategies, real-time resolving equipment control signals, display control signals, control indication signals and alarm buzzer control signals according to state information of current equipment and a control mode set by a user, receiving monitoring strategy operation modes or artificial signal output from the instruction unit, receiving current signal states of a control assembly or peripheral equipment to be tested from the signal acquisition unit, outputting control signals through the instruction output unit after strategy resolving is carried out, providing monitoring information for system simulation, and the strategy execution period is not more than 1 s.
The signal acquisition unit simulates real-time data acquisition from the CAN bus to the interface conversion unit, converts the acquired original data from an electric signal to a physical quantity, verifies the validity of the physical quantity, generates simulation acquisition processing data and sends the simulation acquisition processing data to the resolving unit for processing.
The command output unit sends a signal output command to a control component or peripheral equipment to be tested through the CAN bus, and the resolving unit provides signal output data to the command output unit.
And the logic simulation control model on the core control board CAN finish the automatic identification and judgment of the ship air intake and exhaust system according to the node numbers of the CAN bus equipment acquired by the air intake and exhaust system connected with the equipment.
After the type of the detected system is identified, the air intake and exhaust full-automatic function detection equipment starts a corresponding simulation monitoring strategy for resolving, corresponding ship air intake or exhaust function simulation software is intelligently selected and loaded, the functional performance test of the system is automatically completed, and the detection items mainly comprise: temperature sensor temperature, pressure sensor differential pressure, servo state feedback, electric heating source state feedback, servo switch control, electric heating source switch control, shutter indication switch and control, etc., and generates system functional performance detection and evaluation reports.
The present invention is capable of other embodiments, and various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (5)
1. A detection system for testing a ship air intake and exhaust system comprises a control assembly and peripheral equipment with single function, wherein the control assembly controls the peripheral equipment to work;
the detection system comprises an interface conversion unit, a signal acquisition unit, a resolving unit, an instruction unit and an instruction output unit;
the interface conversion unit is used for connecting a control component or peripheral equipment to be tested through a CAN bus;
when the interface conversion unit is accessed to the control component to be tested, the instruction unit traverses the control instruction set, and respectively takes each control instruction as a current instruction to execute the following judgment operation:
the instruction unit sends the current instruction to a resolving unit; the resolving unit is used for acquiring a feedback signal corresponding to the current instruction and forwarding the current instruction to the instruction output unit; the instruction output unit converts the current instruction into an analog control signal and then sends the analog control signal to the control assembly to be tested through the interface conversion unit; the control component to be tested generates an analog response signal under the trigger of the analog control signal; the signal acquisition unit acquires the analog response signal through the interface conversion unit and then sends the analog response signal to the resolving unit; the resolving unit judges whether a feedback signal corresponding to the current instruction is the same as the analog response signal or not, if so, the next control instruction is adopted as the current instruction to re-execute the judging operation until the control instruction set is traversed; if not, the control component to be tested of the current access interface conversion unit is in an abnormal working state;
when the interface conversion unit is accessed to the peripheral equipment to be tested, the instruction unit acquires a control instruction corresponding to the peripheral equipment and then sends the control instruction to the resolving unit; the resolving unit is used for acquiring a feedback signal corresponding to the control instruction and forwarding the control instruction to the instruction output unit; the instruction output unit converts the control instruction into an analog control signal and then sends the analog control signal to the peripheral equipment to be tested through the interface conversion unit; the peripheral equipment to be tested generates an analog response signal under the trigger of the analog control signal; the signal acquisition unit acquires the analog response signal through the interface conversion unit and then sends the analog response signal to the resolving unit; the resolving unit judges whether a feedback signal corresponding to the control instruction is the same as the analog response signal or not, and if so, the peripheral equipment to be tested of the current access interface conversion unit is in a normal working state; if not, the peripheral equipment to be tested of the current access interface conversion unit is in an abnormal working state.
2. The system of claim 1, wherein the CAN bus has device node numbers, and the control component and each peripheral device correspond to different device node numbers, and the interface conversion unit automatically identifies the type of the currently accessed device to be tested through the device node number currently used by the CAN bus.
3. A test system for testing a ship's air intake and exhaust system as recited in claim 1, wherein said peripheral devices comprise temperature sensors, pressure sensors, air doors, louvers, and electrical heating switches.
4. The testing system of claim 1, wherein the set of control instructions comprises temperature control instructions, pressure differential control instructions, servo switch control instructions, electrical heating source switch control instructions, and blind indication switch control instructions.
5. The test system for testing a marine air intake and exhaust system of claim 1, wherein the set of feedback signals comprises a temperature feedback signal, a pressure differential feedback signal, a servo state feedback signal, an electrical heating source state feedback signal, and a blind state feedback signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010902751.8A CN112179405B (en) | 2020-09-01 | 2020-09-01 | Detection system for testing ship air intake and exhaust system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010902751.8A CN112179405B (en) | 2020-09-01 | 2020-09-01 | Detection system for testing ship air intake and exhaust system |
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| CN112179405A CN112179405A (en) | 2021-01-05 |
| CN112179405B true CN112179405B (en) | 2022-09-06 |
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Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3491287B2 (en) * | 1992-12-22 | 2004-01-26 | ヤマハマリン株式会社 | Inlet and exhaust system for ship propulsion |
| CN102346958B (en) * | 2010-08-04 | 2013-04-03 | 中船重工远舟（北京）科技有限公司 | Host signal simulation platform used for ship |
| CN102788956B (en) * | 2012-08-21 | 2015-01-07 | 中国航天科技集团公司烽火机械厂 | Testing device and testing method of electric steering engine |
| US9639997B2 (en) * | 2013-05-22 | 2017-05-02 | Air China Limited | Test apparatus and test method based on DFDAU |
| CN103885097B (en) * | 2014-04-10 | 2016-04-13 | 内蒙古自治区大气探测技术保障中心 | Weather station integrated test system |
| CN103954903B (en) * | 2014-05-21 | 2016-08-17 | 北京航天控制仪器研究所 | A kind of can real-time resolving multi-mode output circuit test system |
| CN105021922B (en) * | 2015-07-06 | 2019-01-01 | 深圳市赛格导航科技股份有限公司 | Auto-Test System and automatic test approach |
| CN106501649A (en) * | 2016-11-11 | 2017-03-15 | 中国科学院长春光学精密机械与物理研究所 | Portable multi-channel electric steering engine auxiliary testing system and method for testing |
| CN106774260B (en) * | 2016-12-22 | 2019-06-21 | 惠州华阳通用电子有限公司 | The automatic test approach and its system of on-board air conditioner controller |
| CN108490921B (en) * | 2018-04-23 | 2019-03-12 | 江苏恩达通用设备有限公司 | A kind of engine testing system |
| CN109116835A (en) * | 2018-09-05 | 2019-01-01 | 中国船舶重工集团公司第七〇九研究所 | A kind of feature card test method peculiar to vessel and device |
| CN109522229B (en) * | 2018-11-15 | 2021-08-17 | 四川九州电子科技股份有限公司 | Testing method of efficient automatic testing system |
| CN109782738A (en) * | 2019-01-28 | 2019-05-21 | 北京天地玛珂电液控制***有限公司 | The emulation test system and method for integrated liquid feeding control system |
| CN110956998B (en) * | 2019-12-02 | 2022-01-04 | 江苏芯盛智能科技有限公司 | Memory testing device and system |
| CN111521223A (en) * | 2020-06-02 | 2020-08-11 | 天津维创微智能科技有限公司 | Automatic detection system and method |
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