CN200986765Y - Constant pressure water supply training tester - Google Patents
Constant pressure water supply training tester Download PDFInfo
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- CN200986765Y CN200986765Y CN 200620067552 CN200620067552U CN200986765Y CN 200986765 Y CN200986765 Y CN 200986765Y CN 200620067552 CN200620067552 CN 200620067552 CN 200620067552 U CN200620067552 U CN 200620067552U CN 200986765 Y CN200986765 Y CN 200986765Y
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Abstract
The utility model discloses a constant-pressure water supply training and assessing device designed for training and assessing high-skilled talents such as technicians and senior technicians. The utility model is constituted by two parts, a water supply system and a control system. The utility model adopts a real constant-pressure water supply (life/fire fighting) application mode so as to realize the constant pressure of water supply at any height; and the parameter is set into three forms so as to achieve diversification of the constant-pressure water supply system. The comprehensive application technologies include: PLC, transducer, man-machine interface and sensor. The assessing contents all adopt real components instead of simulated software so as to make real assessment on the practical working capability of high-skilled talents.
Description
Technical field
The utility model relates to the high professional qualification talents' such as a kind of technician of being used for, senior technician training and examination and the constant pressure water supply training and examination device that designs.
Background technology
The constant pressure water supply training and examination device that at present the high professional qualification talents' such as aiming at technician, senior technician training and examination is not arranged as yet and design.
Summary of the invention
The purpose of this utility model is to overcome the defective that prior art exists, and provides the high professional qualification talents' such as a kind of technician of aiming at, senior technician training and examination and the constant pressure water supply training and examination device that designs.The utility model adopts real constant pressure water supply (two kinds of life/fire-fightings) application model, and comprehensive application technology comprises: PLC, frequency converter, man-machine interface, sensor etc.The content of examination all adopts the system that is made up of true components and parts but not uses simulation softward to carry out, and can examine highly qualified professional's hands-on background truly.
For achieving the above object, the utility model has been taked following technical scheme:
Constant pressure water supply training and examination device comprises water system and control system, wherein:
Described water system comprises: main frame, header tank, water pump, retaining valve, outlet water pot, tensimeter, main pipe, branch's main and energy storage tank; Wherein header tank, water pump, retaining valve, outlet water pot, main pipe, branch's main are connected successively and are loaded in the main frame, and energy storage tank then is connected on the outlet water pot, and tensimeter is located on the outlet water pot; Between header tank and the energy storage tank, be respectively equipped with pressure transducer on main pipe and the branch's main; In the water system main frame, also be provided with pressure transducer solenoid valve and ball valve; Water tank is positioned at water pump top, adds water cycle process when having saved pump startup; Divide three grades and highly adorn three pressure transducers, can obtain three pressure measuring values, and desirable any value is as value of feedback; Two ball valves are housed respectively on every arm do throttling and by-pass shunt control, in simulation control, provide great dirigibility.
Described control system by the panel of electrical control cubicles and be loaded in the electrical control cubicles with the electrical control cubicles panel on the corresponding various automatically controlled components and parts of knob constitute;
Wherein: it (is man-machine interface that the built-in industrial PC is housed on the electrical control cubicles panel, down together), the input of PLC, accessory power outlet hole, frequency converter guidance panel, system's scram button, manual switch, given selector switch, feedback selector switch, the startup of auto state, stop button, the startup of the manual state of each pump, stop button, life/fire demand water switch and pilot lamp and alarm buzzer;
The openable door of one fan is arranged at the electrical control cubicles back side, can see after opening the door that frequency converter 14 and fault are provided with system 15.
In the technique scheme, the set-point of pressure has three kinds of forms setting: a, the setting set-point inputs to frequency converter on man-machine interface; B, set the set-point input from potentiometer, AD, DA module converts through PLC input to frequency converter again; C, directly input to definite value from the potentiometer and give frequency converter, (can also on the frequency converter panel, import), this device be programmed to modularization and subroutine form, leave subroutine entry, and can pass through software or hardware shield plurality of sections subroutine, so that allow the real training personnel do program design or examination.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model adopts built-in industrial PC (10.4 " color screen) as man-machine interface; different with the mouse action mode of traditional usefulness PC (PC), can be directly on man-machine interface with touch manner display interface figure or setting, modification variable parameter.Mode of operation is the actual industrial control model;
The force value of (two) 3 differing heights can be monitored in real time, constant pressure control;
(3) setting of pressure given value can have 3 kinds of forms (not comprising the form of importing from the frequency converter panel);
(4) the utlity model has fault initialization system (calling black box in the following text), according to the applicable cases of actual constant pressure water supply, the various faults in the practical application is set targetedly in the design, by switch or a kind of true fault of unit state change generation of black box.Black box has several.The form of fault is designed to modularization, and similar malfunctioning module is placed in the similar black box.Can select different module examination questions according to the examination needs like this, the examinee be done the examination of different aspect.The mode of examination is for directly searching fault on hardware, software, or programmes, revises parameter as required, parameter demonstration etc. is set on man-machine interface, and just do not allow the examinee select a correct option to come score in the several answers that provide.
In addition, this device be programmed to modularization and subroutine form, leave subroutine entry, and can pass through software or hardware shield plurality of sections subroutine, so that allow the real training personnel do program design or examination.
Description of drawings
Fig. 1 is a profile synoptic diagram of the present utility model;
Fig. 2 is the contour structures synoptic diagram of water system of the present utility model;
Fig. 3 is the panel layout of electrical control cubicles of the present utility model;
Fig. 4 is an electrical control cubicles internal layout of the present utility model;
Fig. 5 is the process principle figure of water system of the present utility model;
Embodiment
Come the utility model is further described below in conjunction with Figure of description, but the utility model scope required for protection is not limited to the scope that embodiment is described.
Fig. 1 is a profile synoptic diagram of the present utility model; As shown in Figure 1: this constant pressure water supply equipment profile part can be divided into water system and electrical control cubicles two parts.
Fig. 2 is the contour structures synoptic diagram of water system of the present utility model; As shown in Figure 2:
Water system is mainly by header tank (1), level switch, stainless steel magnetic drive pump (3), retaining valve (3), outlet water pot and tensimeter, (23 liters 1 of water storage container, accumulation of energy usefulness, dress safety valve, 0.5MPa setting value), 1 " trunk water pipe (1), distributive pipe (3), 1 " ball valve (1), 3/4 " ball valve is 6; 1/4, and " pressure transducer (3) etc. and frame are formed for 2 of ball valves, solenoid valve (5).
Fig. 3 is the panel layout of electrical control cubicles of the present utility model; Fig. 4 is an electrical control cubicles internal layout of the present utility model; Fig. 5 is the process principle figure of water system of the present utility model; As Fig. 3, Fig. 4, shown in Figure 5:
Constant pressure water supply training and examination device comprises water system and control system, wherein:
Described water system comprises: main frame 1, header tank 2, water pump 3, retaining valve 4, outlet water pot 5, tensimeter, main pipe 6, branch's main 7 and energy storage tank 8; Wherein header tank, water pump, retaining valve, outlet water pot, main pipe, branch's main are connected successively and are loaded in the main frame, and energy storage tank then is connected on the outlet water pot, and tensimeter is located on the outlet water pot; Between header tank and the energy storage tank, be respectively equipped with pressure transducer 9 on main pipe and the branch's main; In the water system main frame, also be provided with pressure transducer solenoid valve 10 and ball valve 11; Water tank is positioned at water pump top, adds water cycle process when having saved pump startup; Divide three grades and highly adorn three pressure transducers, can obtain three pressure measuring values, and desirable any value is as value of feedback; Two ball valves are housed respectively on every arm do throttling and by-pass shunt control, in simulation control, provide great dirigibility.
Described control system by the panel of electrical control cubicles and be loaded in the electrical control cubicles with the electrical control cubicles panel on the corresponding various automatically controlled components and parts of knob constitute.
Built-in industrial PC (man-machine interface) 12 is housed on the electrical control cubicles panel, the input of PLC, accessory power outlet hole, the frequency converter guidance panel, system's scram button, manual switch, given selector switch, the feedback selector switch, the startup of auto state, stop button, the startup of the manual state of each pump, stop button, life/fire demand water switch, pilot lamp 13 and alarm buzzer.
The openable door of one fan is arranged at the electrical control cubicles back side, can see after opening the door that frequency converter 14 and fault are provided with system 15, relevant various automatically controlled components and parts are installed in the electrical control cubicles.
In the technique scheme, this device be programmed to modularization and subroutine form, leave subroutine entry, and can pass through software or hardware shield plurality of sections subroutine, so that allow the real training personnel do program design or examination.
This constant pressure water supply system has following characteristics in the supply channel design:
1, effluent pipe mouth (corresponding magnetic valve position) highly divides 5 grades---embody the different floors of actual dwelling house The water situation;
2, the hand valve that two shuntings and throttling are used is housed on each branch line, does the difference of different water situations, So that control flexibly water consumption;
3,3 pressure sensors are housed on the pipeline, lay respectively on the representational point of pipeline, PIC-1 presses The measured value reflection house steward pressure of supply water of power sensor; The measured value reflection differing heights of PIC-2, PIC-3 The pressure of supply water value. These three numerical value feed back to PLC and can do different processing, regulate by PID, change pump Rotating speed or come stable water supply pressure by the operation number of units that increases, reduces pump. A perhaps desirable sensor Value directly feed back to frequency converter, allow frequency converter make PID and regulate. The process of steady pressure is a closed loop control The process of system;
4, header tank aspect ratio water pump height is slightly high, as long as water tank has water, then water can flow in the pump housing, makes and opens Can more easily operate (minimizing water cycle process) during pump, the liquid-level switch of water tank bottom dress plays the lack of water termination of pumping and protects Protect effect;
5, each pump discharge place installs check valve additional, stops water to reflux;
6, at the outlet water pot water storage container (being energy storage tank) is housed, water storage container plays when moving in system An energy-storing pressure-stabilizing effect. / 3rd height at accumulator are equipped with a drainage ball valve; At accumulator The top safety valve be installed surpassed 0.5MPa to prevent pressure.
Claims (1)
1, constant pressure water supply training and examination device, it is characterized in that comprising water system and control system, wherein: described water system comprises: main frame (1), header tank (2), water pump (3), retaining valve (4), outlet water pot (5), tensimeter, main pipe (6), branch's main (7) and energy storage tank (8); Wherein header tank, water pump, retaining valve, outlet water pot, main pipe, branch's main are connected successively and are loaded in the main frame, and energy storage tank then is connected on the outlet water pot, and tensimeter is located on the outlet water pot; Between header tank and the energy storage tank, be respectively equipped with pressure transducer on main pipe and the branch's main; In the water system main frame, also be provided with pressure transducer (9), solenoid valve (10) and ball valve (11);
Described control system adopts two-sided cabinet door form, by the panel of electrical control cubicles and be loaded in the electrical control cubicles with the electrical control cubicles panel on the corresponding various automatically controlled components and parts of knob constitute;
Wherein: built-in industrial PC (12) is housed on the electrical control cubicles panel, the input of PLC, accessory power outlet hole, the frequency converter guidance panel, control system scram button, manual switch, given selector switch, the feedback selector switch, the startup of auto state, stop button, the startup of the manual state of each pump, stop button, life/fire demand water switch, pilot lamp (13) and alarm buzzer;
The openable door of one fan is arranged at the electrical control cubicles back side, can see after opening the door that frequency converter (14) and fault are provided with system (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620067552 CN200986765Y (en) | 2006-11-13 | 2006-11-13 | Constant pressure water supply training tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620067552 CN200986765Y (en) | 2006-11-13 | 2006-11-13 | Constant pressure water supply training tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200986765Y true CN200986765Y (en) | 2007-12-05 |
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ID=38916224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620067552 Expired - Fee Related CN200986765Y (en) | 2006-11-13 | 2006-11-13 | Constant pressure water supply training tester |
Country Status (1)
| Country | Link |
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| CN (1) | CN200986765Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298870A (en) * | 2011-07-29 | 2011-12-28 | 广东赛杰自动化与信息技术转移中心有限公司 | System used for skill training and assessment of PLC control technology |
| CN102610132A (en) * | 2012-02-17 | 2012-07-25 | 南京化工职业技术学院 | Instrument/meter mounting and maintaining integrated practical training device |
| CN102750866A (en) * | 2012-06-29 | 2012-10-24 | 伊洪良 | Variable frequency control dynamic liquid level experiment equipment |
| CN103310696A (en) * | 2013-06-18 | 2013-09-18 | 南京化工职业技术学院 | Instrument operation skill training device |
-
2006
- 2006-11-13 CN CN 200620067552 patent/CN200986765Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298870A (en) * | 2011-07-29 | 2011-12-28 | 广东赛杰自动化与信息技术转移中心有限公司 | System used for skill training and assessment of PLC control technology |
| CN102610132A (en) * | 2012-02-17 | 2012-07-25 | 南京化工职业技术学院 | Instrument/meter mounting and maintaining integrated practical training device |
| CN102610132B (en) * | 2012-02-17 | 2014-02-26 | 南京化工职业技术学院 | Instrument/meter mounting and maintaining integrated practical training device |
| CN102750866A (en) * | 2012-06-29 | 2012-10-24 | 伊洪良 | Variable frequency control dynamic liquid level experiment equipment |
| CN102750866B (en) * | 2012-06-29 | 2014-04-30 | 伊洪良 | Variable frequency control dynamic liquid level experiment equipment |
| CN103310696A (en) * | 2013-06-18 | 2013-09-18 | 南京化工职业技术学院 | Instrument operation skill training device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |