CN109448496A - A kind of training examination system - Google Patents
A kind of training examination system Download PDFInfo
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- CN109448496A CN109448496A CN201811640132.5A CN201811640132A CN109448496A CN 109448496 A CN109448496 A CN 109448496A CN 201811640132 A CN201811640132 A CN 201811640132A CN 109448496 A CN109448496 A CN 109448496A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
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- Air Conditioning Control Device (AREA)
Abstract
Training examination system disclosed in the present application, compared with prior art, comprising: server checking system；The examination terminal being connect with the server checking system；The refrigeration system being connect with the examination terminal；It is connect with the refrigeration system, the experimental evaluation platform of training operation is carried out for personnel.Training examination system provided by the present application, by using advanced digitlization cloud, Ethernet server-side is carrier, cluster management is carried out to examination terminal, server checking system can be managed by professional technician in strange land, compared to existing technologies, the platform of real training and examination can be provided for Refrigeration Specialty student, improve the efficiency of refrigeration equipment real training and skill examination.
Description
Technical field
This application involves teaching check-up system Instrument technology fields, more specifically more particularly to a kind of training examination system.
Background technique
With the rise of Refrigeration & Air-Conditioning technology specialty, the high professional qualification for grasping Refrigeration Technique is had increasing need in refrigeration industry
The talent is often traditionally, in numerous schools and enterprise the mode culture technique personnel to be trained an apprentice with master worker, much full in this way
Foot not growth requirement at this stage.In this case, Higher Vocational College and enterprise are to refrigerating field high professional qualification type people
The culture of ability is most important, and to turn out outstanding refrigeration high-skilled personnel, matingly Practical training equipment is essential.
Currently, it is more single to the refrigeration equipment study relevant Practical training equipment of examination, it can only be provided for student single
Operation practice platform, real training low efficiency.
Therefore, how a kind of training examination system is provided, real training can be provided for Refrigeration Specialty student and is examined flat
Platform improves the efficiency of refrigeration equipment real training and skill examination, has become those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
In order to solve the above technical problems, the application provides a kind of training examination system, can be mentioned for Refrigeration Specialty student
For the platform of real training and examination, the efficiency of refrigeration equipment real training and skill examination is improved.
Technical solution provided by the present application is as follows:
The application provides a kind of training examination system, comprising: server checking system；It is connect with server checking system
Examination terminal；The refrigeration system being connect with examination terminal；It is connect with refrigeration system, the experiment for carrying out training operation for personnel is examined
Core platform.
Further, in a kind of preferred mode of the present invention, experimental evaluation platform includes: practical traning platform pedestal；It is installed on
Practical operation platform main body on practical traning platform pedestal；The equipment platform being installed on practical traning platform pedestal；The refrigeration being set on equipment platform
Unit；The evaluating platform main body being installed on practical traning platform pedestal；The touching display screen being set in evaluating platform main body；It is installed on
Air-conditioning internal machine in evaluating platform main body.
Further, in a kind of preferred mode of the present invention, practical operation platform main body includes: the electricity on practical traning platform pedestal
Gas patching operations module；Pressure leakage detection operation module on practical traning platform pedestal；Behaviour is vacuumized on practical traning platform pedestal
Make module；Filling refrigerant operation module on practical traning platform pedestal；Operation debugging operations mould on practical traning platform pedestal
Block；Be additionally provided in practical operation platform main body: installation operation side plate, installation operation side plate for student practice installation refrigeration component,
Hand valve, solenoid valve, terminal box, table lens.
Further, in a kind of preferred mode of the present invention, experimental evaluation platform further include: be installed on evaluating platform master
Monitoring device on body, monitoring device include: the first camera and second camera being set in evaluating platform main body, and first
Camera is fixedly installed in evaluating platform main body, and the camera angle of second camera is adjustable；It is installed on practical traning platform pedestal, and
The first locker below practical operation platform main body；It is installed on practical traning platform pedestal, and is located at the second storage below equipment platform
Object cabinet；Be additionally provided with copper pipe fixed mechanism in practical operation platform main body, copper pipe fixed mechanism be used for in refrigeration system active joint and
Pipeline is fixed.
Further, in a kind of preferred mode of the present invention, training examination system further include: double exigency stop systems, double urgency
Stop system includes: the K1 relay coil for controlling K1 normally-closed contact switch on and off；Electricity where K1 relay coil
The normally closed emergency stop switch of the SB1 of road；Scram button SB1 in evaluating platform main body, for disconnecting K1 relay coil；If
In the K2 normally-closed contact switch on the circuit where K1 relay coil；For controlling the K2 relay of K2 normally-closed contact switch on and off
Device coil.
Further, in a kind of preferred mode of the present invention, whether K2 relay coil is powered by refrigeration apparatus for checking
In refrigeration system control, refrigeration system connect with examination terminal by signal, and examination terminal passes through signal and server examination
System connection, server checking system are used to down send instructions to examination terminal, and terminal of taking an examination is used to under refrigeration system send instructions,
Refrigeration system receives instruction activation K2 relay coil, and the circuit where K1 relay coil specifically accesses 24V DC power supply.
Further, in a kind of preferred mode of the present invention, double exigency stop systems further include: connect with server checking system
The video surveillance module connect, video surveillance module decide whether remotely to activate K2 relay for administrative staff by video observation
Coil；Double exigency stop systems further include the visual alarm connecting with examination terminal；The voice guard being connect with examination terminal.
Further, in a kind of preferred mode of the present invention, training examination system further include: refrigeration apparatus for checking failure
Diagnostic system；Apparatus for checking fault diagnosis system of freezing includes: diagnostic signal sending module, for connecting in experimental evaluation platform
Power supply or when receiving diagnostic command, sends diagnostic signal to object to be measured；Signal reading module is detected, for examining from experiment
Detection signal is read in device or circuit in core platform；Fault determination module, for according to detection signal determining experimental evaluation
Platform is in normal condition or abnormal condition；Failure confirmation module and central processing module again；
Confirmation module is used for when fault determination module determines that experimental evaluation platform is in abnormal condition, again failure again
There is fault-free according to detection signal determining experimental evaluation platform；Confirmation module is also used to deposit in judgment experiment evaluating platform failure again
Fault code is sent to central processing module in failure；
Central processing module sends out fault code for being analyzed according to failure of the fault code to device or circuit
It send to examination terminal.
Further, in a kind of preferred mode of the present invention, apparatus for checking fault diagnosis system of freezing further include:
State parameter read module, for reading when detecting that device in experimental evaluation platform or circuit power on
Take the state parameter of the device or circuit in experimental evaluation platform；
Power supply status read module, for reading when detecting that device in experimental evaluation platform or circuit power on
Take the power supply status of refrigeration apparatus for checking；
Transducer fault detection circuit, including one-to-one input terminal and output end, each input terminal can be with experiments
Sensor connection in evaluating platform, Transducer fault detection circuit are exported from corresponding output end and are passed in sensor fault
Sensor fault-signal；
Solenoid valve failure detection circuit, including one-to-one input terminal and output end, each input terminal can be with experiments
Solenoid valve connection in evaluating platform, solenoid valve failure detection circuit is when detecting solenoid valve failure, from corresponding output
Hold the fault-signal of output solenoid valve.
Further, in a kind of preferred mode of the present invention, apparatus for checking fault diagnosis system of freezing further include:
Fault message storage module, the fault message occurred for storing device in experimental evaluation platform or circuit；
Fault message display module, device from storage experimental evaluation platform to user or circuit for being shown in occurred
Fault message；
Fault message enquiry module, the fault code for being inputted according to user inquire failure corresponding with fault code
Information, and fault message is shown at fault message display module；
Refrigeration apparatus for checking fault diagnosis system further include: fault location module monitors refrigeration apparatus for checking for working as
After status fault and/or performance parameter exception, fault location is carried out.
A kind of training examination system provided by the invention, compared with prior art, comprising: server checking system；With clothes
The examination terminal of device checking system of being engaged in connection；The refrigeration system being connect with examination terminal；Connect with refrigeration system, for personnel into
The experimental evaluation platform of row training operation.By using advanced digitlization cloud, Ethernet server-side is carrier, to examination
Terminal carries out cluster management, and server checking system can be managed by professional technician in strange land, and experimental evaluation platform is for
The installation and connection operation that member carries out device relevant to refrigeration can be compared to existing technologies Refrigeration Specialty
Member provides the platform of real training and examination, improves the efficiency of refrigeration equipment real training and skill examination.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the configuration diagram of training examination system provided in an embodiment of the present invention；
The schematic diagram of experimental evaluation platform in Fig. 2 training examination system provided in an embodiment of the present invention；
The schematic diagram of double exigency stop systems in Fig. 3 training examination system provided in an embodiment of the present invention；
The signal of refrigeration apparatus for checking fault diagnosis system in Fig. 4 training examination system provided in an embodiment of the present invention
Figure.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution in the application, below in conjunction with the application reality
The technical scheme in the embodiment of the application is clearly and completely described for the attached drawing for applying in example, it is clear that described embodiment
Only a part of the embodiment of the application, instead of all the embodiments.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model of the application protection
It encloses.
It should be noted that it can directly exist when element is referred to as on " being fixed on " or " being set to " another element
On another element or indirectly setting on the other element；When an element is known as " being connected to " another element,
It can be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", under ", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.It is multiple in the description of the present application ", " several " be meant that two or
Two or more, unless otherwise specifically defined.
It should be clear that structure depicted in this specification attached drawing, ratio, size etc., only to cooperate specification revealed
Content is not limited to the enforceable qualifications of the application, therefore does not have so that those skilled in the art understands and reads
Technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the application institute energy
Under the effect of generation and the purpose that can reach, it should all still fall in techniques disclosed in this application content and obtain the range that can cover
It is interior.
Please be as shown in Figures 1 to 4, training examination system provided by the embodiments of the present application, comprising: server checking system 1；
The examination terminal 2 being connect with the server checking system 1；The refrigeration system 3 being connect with the examination terminal 2；With the system
Cooling system 3 connects, and the experimental evaluation platform 4 of training operation is carried out for personnel.
The embodiment of the present invention provides a kind of training examination system, compared with prior art, comprising: server checking system 1；
The examination terminal 2 being connect with server checking system 1；The refrigeration system 3 being connect with examination terminal 2；It is connect with refrigeration system 3,
The experimental evaluation platform 4 of training operation is carried out for personnel.By using advanced digitlization cloud, Ethernet server-side is
Carrier carries out cluster management to examination terminal 2, and server checking system 1 can be managed by professional technician in strange land, and experiment is examined
Core platform 4 compared to existing technologies can for the installation and connection operation that student carries out device relevant to refrigeration
The platform of real training and examination is provided for Refrigeration Specialty student, improves the efficiency of refrigeration equipment real training and skill examination.
Specifically, in embodiments of the present invention, experimental evaluation platform 4 includes: practical traning platform pedestal 401；It is installed on practical traning platform
Practical operation platform main body 402 on pedestal 401；The equipment platform 403 being installed on practical traning platform pedestal 401；It is set to equipment platform 403
On refrigeration unit 404；The evaluating platform main body 405 being installed on practical traning platform pedestal 401；It is set to evaluating platform main body 405
On touching display screen 406；The air-conditioning internal machine 407 being installed in evaluating platform main body 405.
Wherein, examination terminal 2 is made of industrial host computer and display touch screen, and industrial host computer is provided with examination eventually
Hold 2 softwares for examining trained use, it is aobvious that 3 control circuit of refrigeration system and industrial host computer are placed in 3 touch-control of refrigeration system
In the electric cabinet of display screen behind.3 touching display screen of refrigeration system is the control circuit of refrigeration system 3, control circuit input behind
Voltage is 24V, and refrigerating system circuit mainly controls compressor in refrigerating circuit, solenoid valve, expansion valve, water pump, fan and opens
Stop, and the electric current in refrigeration system 3, voltage, temperature, pressure detected, at the same to button, knob, switch state into
Row monitoring.It is furnished with water cooler and air cooler in training examination system, can according to circumstances selects, water cooler is connected using hose and equipment
It connects, when use can be put depending on the site environment.
Specifically, in embodiments of the present invention, practical operation platform main body 402 includes: electrically connecing on practical traning platform pedestal 401
Line operation module；Pressure leakage detection operation module on practical traning platform pedestal 401；Vacuumizing on practical traning platform pedestal 401
Operation module；Filling refrigerant operation module on practical traning platform pedestal 401；Operation tune on practical traning platform pedestal 401
Try operation module；Be additionally provided in practical operation platform main body: installation operation side plate, installation operation side plate practice installation refrigeration for student
Component, hand valve, solenoid valve, terminal box, table lens.
Specifically, in embodiments of the present invention, experimental evaluation platform 4 further include: the prison being installed in evaluating platform main body
Device is controlled, monitoring device includes: the first camera 410 and second camera 411 being set in evaluating platform main body 405, the
One camera 410 is fixedly installed in evaluating platform main body 405, and the camera angle of second camera 411 is adjustable；It is installed on real training
On stylobate frame 401, and it is located at the first locker 408 of 402 lower section of practical operation platform main body；It is installed on practical traning platform pedestal 401, and position
The second locker 409 in 403 lower section of equipment platform；Copper pipe fixed mechanism, the fixed machine of copper pipe are additionally provided in practical operation platform main body 402
Structure be used for in refrigeration system 3 active joint and pipeline be fixed.
Wherein, the first camera 410 is adjustable after removing shell, and second camera 411 can be adjusted the angle directly with hand.
Specifically, in embodiments of the present invention, training examination system further include: double exigency stop systems 5, double exigency stop systems 5 wrap
It includes: for controlling the K1 relay coil 501 of K1 normally-closed contact switch on and off；Circuit where K1 relay coil 501
On the normally closed emergency stop switch 504 of SB1；Scram button SB1 in evaluating platform main body, for disconnecting K1 relay coil
501；Scram button in evaluating platform main body, scram button are opened for triggering the normally closed emergency stop switch 504 of SB1；It is set to
The K2 normally-closed contact switch 502 on circuit where K1 relay coil 501；For controlling 502 on-off of K2 normally-closed contact switch
K2 relay coil 503.
Specifically, in embodiments of the present invention, whether K2 relay coil 503 is powered by the refrigeration in refrigeration apparatus for checking
System control, refrigeration system 3 are connect with examination terminal 2 by signal, and examination terminal 2 passes through signal and server checking system 1
Connection, server checking system 1 are used to down send instructions to examination terminal 2, and terminal 2 of taking an examination is used to under refrigeration system 3 send instructions,
Refrigeration system 3 receives instruction activation K2 relay coil 503, and the circuit where K1 relay coil 501 specifically accesses 24V direct current
Power supply.
Specifically, in embodiments of the present invention, double exigency stop systems 5 further include: the video being connect with server checking system 1
Monitoring modular, video surveillance module decide whether remotely to activate K2 relay coil 503 for administrative staff by video observation；
Double exigency stop systems further include the visual alarm connecting with examination terminal 2；The voice guard being connect with examination terminal 2.
Specifically, in embodiments of the present invention, training examination system further include: refrigeration apparatus for checking fault diagnosis system 6；
Apparatus for checking fault diagnosis system 6 of freezing includes: diagnostic signal sending module 601, for powering in experimental evaluation platform 4
Or when receiving diagnostic command, diagnostic signal is sent to object to be measured；Signal reading module 602 is detected, for examining from experiment
Detection signal is read in device or circuit in core platform 4；Fault determination module 603, for according to detection signal determining experiment
Evaluating platform 4 is in normal condition or abnormal condition；Failure confirmation module 604 and central processing module 605 again；
Confirmation module is used for when fault determination module determines that experimental evaluation platform 4 is in abnormal condition failure again, then
It is secondary that fault-free is had according to detection signal determining experimental evaluation platform 4；Confirmation module 604 is also used to examine in judgment experiment failure again
There are send fault code to central processing module 605 when failure for platform 4；
Central processing module 605 according to failure of the fault code to device or circuit for analyzing, and by failure generation
Code is sent to examination terminal 2.
Specifically, in embodiments of the present invention, refrigeration apparatus for checking fault diagnosis system further include: state parameter read module
606, for reading the device in experimental evaluation platform 4 when detecting that device in experimental evaluation platform 4 or circuit power on
The state parameter of part or circuit；
Power supply status read module 607, for detecting that device in experimental evaluation platform 4 or circuit power on
When, read the power supply status of refrigeration apparatus for checking；
Transducer fault detection circuit, including one-to-one input terminal and output end, each input terminal can be with experiments
Sensor connection in evaluating platform 4, Transducer fault detection circuit are exported from corresponding output end and are passed in sensor fault
Sensor fault-signal；
Solenoid valve failure detection circuit, including one-to-one input terminal and output end, each input terminal can be with experiments
Solenoid valve connection in evaluating platform 4, solenoid valve failure detection circuit is when detecting solenoid valve failure, from corresponding output
Hold the fault-signal of output solenoid valve.
Specifically, in embodiments of the present invention, refrigeration apparatus for checking fault diagnosis system further include: fault message storage module
608, the fault message occurred for storing device in experimental evaluation platform 4 or circuit；Fault message display module 609,
For showing device or the fault message that occurred of circuit in storage experimental evaluation platform 4 to user；Fault message inquires mould
Block 610, the fault code for being inputted according to user inquire fault message corresponding with fault code, and aobvious in fault message
Show and shows fault message at module；
Refrigeration apparatus for checking fault diagnosis system further include: fault location module monitors refrigeration apparatus for checking for working as
After status fault and/or performance parameter exception, fault location is carried out.
It more specifically illustrates, training examination system involved in the embodiment of the present invention, uses advanced digitlization cloud
Technology, Ethernet server-side are carrier, can be realized and carry out cluster management to examination terminal 2.Server can be by professional technique people
Member manages in strange land.In examination process with play can different type different stage examinee take an examination, inhomogeneity examinee not at the same level
With field examination paper examination question using out-of-order distribution, examination pattern has advance, initiative.
Hardware in training examination system is high-end using industrial application configuration, is that control is flat with high-performance industrial control all-in-one machine
Platform, control circuit board are A grades of FR-4 army labor and materials lead-free process manufactures, and all peripheral sensors are connected using welding fast connecting terminal is exempted
It connects, substantially increases the convenience of maintenance, installation.
Control section in training examination system uses medical twin-stage power-supply filter, improves the anti-interference ability of system,
The reliability of raising system, simultaneity factor contain earth leakage protective device, improve the safety of equipment and personnel.
Wherein, the console of experimental evaluation platform 4 uses 24V drive control, and more traditional 220V drive control circuit is more pacified
Entirely.Except high-pressure and low-pressure mechanical compression table is increased in electronic pressure sensor external compression circuit, electron pressure instrument is by data
On the touchscreen, convenient for observing in use, mechanical compression table is in the case where pressure circuit overloads centralized displaying, touching
Mechanical contact is sent out, triggering is reliable and stable, while playing the role of duplicate protection to the pressure circuit of system.High performance electric current electricity
Pressure monitoring sampling A/D chip, Control management system use high performance chips, chip to the acquisition conversion speed of signal up to 100,000 times/
Second, guarantee the power system security of training examination system.
Wherein, experimental evaluation platform 4 can both pass through mechanical emergency stop switch manual control circuit using double emergency stop designs
Into emergency stop state, can also according to circumstances decide whether start electronics emergency stop in its sole discretion by system, control equipment is made to enter emergency stop
State, electronics emergency stop can remotely be controlled by server, be used convenient for management and in emergency circumstances.Under examination process examination question
Hair, answer recycling realized using ethernet communication, and it is short to examine business process chain, is greatly reduced risk of divulging a secret, is reduced disturbing factor, examination
More secure and reliable.
Wherein, every two video cameras of set examination platform device configuration are monitored, equipment using 1080P high-definition camera
One of camera non-interrupted picture recording after normal starting, another camera are recorded a video according to examination demand, are wanted meeting use
System resource is saved in the case where asking to greatest extent, improves system response time, guarantees system fluency.
Wherein, touch screen can also be to cooling water pump, cooling fan, interior machine fan, the pendulum wind-powered electricity generation on experimental evaluation platform 4
Machine, compressor, system power supply are controlled, and touch screen provides mass data reference to operator, are easy to use, study, analysis,
Included touch function makes to operate more convenient, and ease for use is good.
Device configuration training operation platform and checking system can carry out all kinds of refrigeration examinations and certification examination at different levels
Configuration, using true exemplary refrigerant component, automatically controlled component, end-equipment can carry out the installation of refrigeration system 3, debugging, dimension
It repairs, detect, the multinomial professional skill such as electric-control system installation, debugging, maintenance, detection operates real training.It can comprehensive training and assessment
Every Comprehensive Vocation Ability of member, achievees the purpose that all kinds of examinations at different levels can be completed.
More specifically, in embodiments of the present invention, using high-performance industrial control all-in-one machine allied industry grade touch screen, integrated
Control circuit, intelligence instrument, electric expansion valve, pressure controller etc. realize complete machine joint control.The highly integrated electric current of control circuit, electricity
Pressure, temperature, pressure, output, input, infrared, 232 communications, 4585 communications, receiver module integrated design, all peripheries pass
Sensor is connected using welding fast connecting terminal is exempted.It is designed using double emergency stops, built-in electric leakage overload protection, overload of compressor and starting
Protection, pressure protection, twin-stage power-supply filter are greatly reduced because interference causes the possibility of maloperation, effective lifting system safety
Performance.Real training monitoring system is configured, real training examination is acquired in real time, live video and answer process total data are by servicing
Device backup facilitates history to trace.
Wherein, practical traning platform pedestal uses aluminum profile or steel construction for main frame, matches stainless steel and PVC material, knot
Structure is firm, handsome in appearance has the characteristics that fire prevention, waterproof, wear-resisting.In addition, drawer and function counter are configured with, for accommodating examination
Tool and additional device, place tool data and relevant device.Practical traning platform pedestal bottom is equipped with universal wheel and locking is universal
The locking mechanism of wheel, it is mobile and fixed when being easy to use.
Wherein, monitoring device is mainly made of video high-definition camera and video server, by network and server into
Row connection, equipment one of camera non-interrupted picture recording after normally starting dock, another camera with provincial Test Centre
It needs to carry out process video recording according to examination paper, it can be achieved that real training examination process monitors entirely.
Wherein, the operative sensor in training examination system is detected using self detection mode, and sensor is using number temperature
Sensor is spent, refrigeration system 3 sends digital command to experimental evaluation platform digital sensor, and digital sensor does not return as required
Multiple instruction, i.e. identification sensor is impaired, gives higher level's control terminal by 3 reporting fault of refrigeration system.
Wherein, the control system in training examination system uses medical twin-stage power-supply filter, improves the anti-interference of system
Ability improves the reliability of system, and simultaneity factor contains earth leakage protective device, improves the safety of equipment and personnel.Experiment is examined
4 console of core platform uses 24V drive control, and more traditional 220V drive control circuit is safer.Except electronic pressure sensor
Increase high-pressure and low-pressure mechanical compression table in external compression circuit, electron pressure instrument will be shown on the touchscreen in data set, just
In observing in use, mechanical compression table is in the case where pressure circuit overloads, Crush trigger contact, and triggering stabilization can
It leans on, while playing the role of duplicate protection to the pressure circuit of system.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of training examination system characterized by comprising
Server checking system；
The examination terminal being connect with the server checking system；
The refrigeration system being connect with the examination terminal；
It is connect with the refrigeration system, the experimental evaluation platform of training operation is carried out for personnel.
2. training examination system according to claim 1, which is characterized in that the experimental evaluation platform includes: practical traning platform
Pedestal；The practical operation platform main body being installed on the practical traning platform pedestal；The equipment platform being installed on the practical traning platform pedestal；Setting
Refrigeration unit on the equipment platform；The evaluating platform main body being installed on the practical traning platform pedestal；It is set to described examine
Touching display screen in core main platform body；The air-conditioning internal machine being installed in the evaluating platform main body.
3. training examination system according to claim 2, which is characterized in that the practical operation platform main body includes:
Electrical wiring operation module on the practical traning platform pedestal；
Pressure leakage detection operation module on the practical traning platform pedestal；
Vacuum pumping module on the practical traning platform pedestal；
Filling refrigerant operation module on the practical traning platform pedestal；Behaviour is debugged in operation on the practical traning platform pedestal
Make module；
Be additionally provided in the practical operation platform main body: installation operation side plate, the installation operation side plate practice installation system for student
Cold component, hand valve, solenoid valve, terminal box, table lens.
4. training examination system according to claim 3, which is characterized in that the experimental evaluation platform further include:
The monitoring device being installed in the evaluating platform main body, the monitoring device include:
The first camera and second camera being set in the evaluating platform main body, first camera are fixedly installed in
In the evaluating platform main body, the camera angle of the second camera is adjustable；
It is installed on the practical traning platform pedestal, and is located at the first locker below the practical operation platform main body；It is installed on the reality
It instructs on stylobate frame, and is located at the second locker below the equipment platform；
Copper pipe fixed mechanism is additionally provided in the practical operation platform main body, the copper pipe fixed mechanism is used for the activity in refrigeration system
Connector and pipeline are fixed.
5. training examination system according to claim 1, which is characterized in that training examination system further include: double emergency stop systems
System, double exigency stop systems include:
For controlling the K1 relay coil of the K1 normally-closed contact switch on and off；
The normally closed emergency stop switch of SB1 on the circuit where the K1 relay coil；
Scram button SB1 in evaluating platform main body, for disconnecting K1 relay coil；
K2 normally-closed contact switch on the circuit where the K1 relay coil；It is opened for controlling the K2 normally-closed contact
Close the K2 relay coil of on-off.
6. training examination system according to claim 5, which is characterized in that whether the K2 relay coil is powered by making
Refrigeration system control in cold apparatus for checking, refrigeration system are connect with the examination terminal by signal, and examination terminal passes through letter
It number is connect with the server checking system, the server checking system is used to down send instructions to examination terminal, the examination
Terminal is used for sending instructions under refrigeration system, and refrigeration system receives instruction and activates the K2 relay coil, the K1 after
Circuit where electric apparatus coil specifically accesses 24V DC power supply.
7. training examination system according to claim 6, which is characterized in that double exigency stop systems further include: examined with server
The video surveillance module of core system connection, the video surveillance module are decided whether for administrative staff by video observation long-range
Activate the K2 relay coil；Double exigency stop systems further include the visual alarm connecting with the examination terminal；It is examined with described
Try the voice guard of terminal connection.
8. training examination system according to claim 1, which is characterized in that training examination system further include: refrigeration examination
Fault Diagnosis of Mechanical Equipment；The refrigeration apparatus for checking fault diagnosis system includes:
Diagnostic signal sending module, for when experimental evaluation platform powers on or receives diagnostic command, to be measured right
As sending diagnostic signal；
Signal reading module is detected, for reading detection signal from the device or circuit in experimental evaluation platform；
Fault determination module, for being in normal condition or improper shape according to the detection signal determining experimental evaluation platform
State；
Failure confirmation module and central processing module again；
Confirmation module is used for when the fault determination module determines that experimental evaluation platform is in abnormal condition the failure again,
There is fault-free again according to the detection signal determining experimental evaluation platform；Confirmation module is also used to judging in fact the failure again
Testing evaluating platform, there are send fault code to the central processing module when failure；
The central processing module is used to be analyzed according to failure of the fault code to the device or circuit, and will be former
Barrier code is sent to examination terminal.
9. training examination system according to claim 8, which is characterized in that refrigeration apparatus for checking fault diagnosis system is also
Include:
State parameter read module, it is real for reading when detecting that device in experimental evaluation platform or circuit power on
Test the state parameter of the device or circuit in evaluating platform；
Power supply status read module, for reading system when detecting that device in experimental evaluation platform or circuit power on
The power supply status of cold apparatus for checking；
Transducer fault detection circuit, including one-to-one input terminal and output end, each input terminal can be with experimental evaluations
Sensor connection in platform, the Transducer fault detection circuit are exported from corresponding output end and are passed in sensor fault
Sensor fault-signal；
Solenoid valve failure detection circuit, including one-to-one input terminal and output end, each input terminal can be with experimental evaluations
Solenoid valve connection in platform, solenoid valve failure detection circuit are defeated from corresponding output end when detecting solenoid valve failure
The fault-signal of solenoid valve out.
10. training examination system according to claim 9, which is characterized in that refrigeration apparatus for checking fault diagnosis system
Further include:
Fault message storage module, the fault message occurred for storing device in experimental evaluation platform or circuit；
Fault message display module, for showing device or the failure that occurred of circuit in storage experimental evaluation platform to user
Information；
Fault message enquiry module, the fault code for being inputted according to user inquire failure corresponding with the fault code
Information, and fault message is shown at the fault message display module；
The refrigeration apparatus for checking fault diagnosis system further include: fault location module monitors refrigeration apparatus for checking for working as
After status fault and/or performance parameter exception, fault location is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640132.5A CN109448496A (en) | 2018-12-29 | 2018-12-29 | A kind of training examination system |
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|---|---|---|---|
| CN201811640132.5A CN109448496A (en) | 2018-12-29 | 2018-12-29 | A kind of training examination system |
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| CN109448496A true CN109448496A (en) | 2019-03-08 |
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Application publication date: 20190308 |