CN203405994U - A centrifugal fan device performance test teaching experiment practical training apparatus - Google Patents
A centrifugal fan device performance test teaching experiment practical training apparatus Download PDFInfo
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- CN203405994U CN203405994U CN201320454240.XU CN201320454240U CN203405994U CN 203405994 U CN203405994 U CN 203405994U CN 201320454240 U CN201320454240 U CN 201320454240U CN 203405994 U CN203405994 U CN 203405994U
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- transmitter
- pilot lamp
- fan device
- blower fan
- performance test
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Abstract
The utility model discloses a centrifugal fan device performance test teaching experiment practical training apparatus comprising a control system and a controlled object. The controlled object comprises a steel frame, a motor, a torque sensor, and a blower fan device, wherein the motor, the torque sensor, and the blower fan device are disposed on the steel frame and are mutually connected. The blower fan device is successively connected with a damping screen, a pressure transmitter, a differential pressure transmitter, a velocity-averaging tube flowmeter, a temperature and humidity transmitter 9, and an electric air valve 10. A constant measuring unit is formed by the motor, the torque sensor, the pressure transmitter, the differential pressure transmitter, and the velocity-averaging tube flowmeter. The control system comprises a computer, a control cabinet, an instrument unit, and a transmitter. The computer is connected with the control cabinet, the instrument unit, and the transmitter through communication lines. The control cabinet is connected with the instrument unit, the transmitter, and the blower fan device through control lines. The centrifugal fan device performance test teaching experiment practical training apparatus is capable of recording and analyzing student actual operation in order to discover potential problems of students in an operating process and to well train the skills of the students.
Description
Technical field
The utility model relates to a kind of instructional device, relates in particular to a kind of centrifugal fan device performance test teaching experiment practice training device.
Background technology
The centrifugal blower performance test instructional device using in school is at present simple in structure, can only complete general operation teaching demonstration task, still exist that Data Comparison is single, experimental real-training data are inaccurate, as only have power frequency and variable mode, the contrast of two kinds of power, Data Comparison is single, cannot be to specific power under constant and constant speed, cause teaching to carry out smoothly, also cause certain economic loss simultaneously; And the Main Function of the instructional device relevant operative skill that is training and learning, make student sooner, better complete the work on post, therefore, student is when the enterprising line correlation operation of instructional device, there will be the operation that does not meet associative operation rules, so that teacher corrects in time, still, relevant centrifugal blower performance test instructional device all cannot be realized this function at present.
Utility model content
Defect and deficiency that the utility model exists in order to solve above-mentioned prior art, provide a kind of not only dirigibility strong, but also can student's practical operation be recorded and be analyzed, thereby find the potential problems in student's operating process, can better cultivate the centrifugal fan device performance test teaching experiment practice training device of students' skill.
The technical solution of the utility model: a kind of centrifugal fan device performance test teaching experiment practice training device, comprise control system and control object, described control object comprises steelframe and is arranged on steelframe and interconnective motor, torque sensor, blower fan apparatus, on described blower fan apparatus, be connected with honeycomb screen in turn, pressure unit, differential pressure transmitter, mean velocity tube flowmeter, humiture transducer 9 and Electric air valve 10, described motor, torque sensor, pressure unit, differential pressure transmitter and mean velocity tube flowmeter form constant measuring unit, described control system comprises computing machine, switch board, instrument pack and transmitter, described computing machine by communication line respectively with switch board, instrument pack is connected with transmitter, described switch board by operation circuit respectively with instrument pack, transmitter is connected with blower fan apparatus.
Preferably, in described switch board, a side is provided with residual current circuit breaker from top to bottom successively, L1 pilot lamp, L1 voltage table, control system power supply knob, recording instrument without paper, relay, contactor, the first terminal row, in switch board, opposite side is provided with frequency conversion pilot lamp from top to bottom successively, L3 pilot lamp, control mode knob, Switching Power Supply, capture card terminal row, thermal overload relay, three phase converter, the second terminal row, between described L1 pilot lamp and L3 pilot lamp, be provided with L2 pilot lamp, described frequency conversion pilot lamp one side is provided with power frequency pilot lamp, between described control system power supply knob and control mode knob, be provided with Electric air valve knob, between described recording instrument without paper and Switching Power Supply, be provided with multifunctional electric meter.
Preferably, described capture card terminal row is provided with capture card, and described computing machine is connected with capture card by communication line, and described capture card is connected with instrument pack, transmitter and blower fan apparatus respectively by operation circuit.
The utility model solves the problems such as traditional centrifugal blower performance test instructional device Data Comparison is single, experimental real-training data are inaccurate, service data can not be reviewed, hardware and security system for software in control system, have been increased, various modes data are monitored, use dirigibility is strong, there is misoperation automatic cut-off power, protection system safety simultaneously; Added and determined air quantity and constant flow, by mean velocity tube flowmeter, data acquisition that can be to air quantity and wind speed, controls air quantity and wind speed, to power ratio simultaneously, two kinds of power contrasts, student can contrast by multi-group data, by the analysis to these data, teacher can record and analyze student's practical operation, better carry out guidance and the teaching of associative skills, thereby find the potential problems in student's operating process, can better cultivate students' skill.
Accompanying drawing explanation
Fig. 1 is the structural representation of control object in the utility model;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the structural representation of switch board in the utility model;
Fig. 4 is the theory diagram of control system in the utility model.
In figure, 1 is motor, 2 is torque sensor, 3 is blower fan, 4 is steelframe, 5 is honeycomb screen, 6 is pressure unit, 7 is differential pressure transmitter, 8 is mean velocity tube flowmeter, 9 is humiture transducer, 10 is Electric air valve, 11 is residual current circuit breaker, 12 is L1 pilot lamp, 13 is L1 voltage table, 14 is control system power supply knob, 15 is recording instrument without paper, 16 is miniature relay, 17 is contactor, 18 is terminal row, 19 is L2 pilot lamp, 20 is frequency conversion pilot lamp, 21 is power frequency pilot lamp, 22 is L3 pilot lamp, 23 is control mode knob, 24 is Electric air valve knob, 25 is Switching Power Supply, 26 is multifunctional electric meter, 27 is capture card terminal row, 28 is thermal overload relay, 29 is three phase converter, 30 is terminal row.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but is not the restriction to the utility model protection domain.
As Fig. 1, shown in Fig. 2 and Fig. 4, a kind of centrifugal fan device performance test teaching experiment practice training device, comprise control system and control object, control object comprises steelframe 4 and is arranged on steelframe 4 and interconnective motor 1, torque sensor 2, blower fan apparatus 3, on blower fan apparatus 3, be connected with honeycomb screen 5 in turn, pressure unit 6, differential pressure transmitter 7, mean velocity tube flowmeter 8, humiture transducer 9 and Electric air valve 10, motor 1, torque sensor 2, pressure unit 6, differential pressure transmitter 7 and mean velocity tube flowmeter 8 form constant measuring unit, control system comprises computing machine, switch board, instrument pack and transmitter, computing machine by communication line respectively with switch board, instrument pack is connected with transmitter, switch board by operation circuit respectively with instrument pack, transmitter is connected with blower fan apparatus 3.
As shown in Figure 3, in switch board, left side is provided with residual current circuit breaker 11 from top to bottom successively, L1 pilot lamp 12, L1 voltage table 13, control system power supply knob 14, recording instrument without paper 15, relay 16, contactor 17, the first terminal row 18, in switch board, right side is provided with frequency conversion pilot lamp 20 from top to bottom successively, L3 pilot lamp 22, control mode knob 23, Switching Power Supply 25, capture card terminal row 27, thermal overload relay 28, three phase converter 29, the second terminal row 30, between L1 pilot lamp 11 and L3 pilot lamp 22, be provided with L2 pilot lamp 19, frequency conversion pilot lamp 20 left sides are provided with power frequency pilot lamp 21, between control system power supply knob 14 and control mode knob 23, be provided with Electric air valve knob 24, between recording instrument without paper 15 and Switching Power Supply 25, be provided with multifunctional electric meter 26.
When the utility model is used, real training software is installed on computing machine, computing machine is connected with instrument pack with switch board by connection, gather its data, record all operations of student, the data of record can derive, and teacher, by the analysis to these data, can instruct targetedly and impart knowledge to students; Capture card terminal row is provided with capture card, computing machine is connected with capture card by communication line, capture card is connected with instrument pack, transmitter and blower fan apparatus respectively by operation circuit, capture card by instrument pack and transmitter by the equipment running status on blower fan apparatus and relevant data acquisition in computing machine, and calculate accordingly and process; Computing machine is shown to the data in capture card on monitoring software, makes system running state more directly perceived and clear.
The utility model Data Comparison is many, can get rid of some and disturb the data that cause inaccurate, can meet the demand of course completely; The utility model is mainly used in the relevant speciality teaching such as electromechanics, machinery and robotization and the robotization of medium professional colleges, Higher Vocational College and high universities.
Claims (3)
1. a centrifugal fan device performance test teaching experiment practice training device, comprise control system and control object, it is characterized in that: described control object comprises steelframe and is arranged on steelframe and interconnective motor, torque sensor, blower fan apparatus, on described blower fan apparatus, be connected with honeycomb screen in turn, pressure unit, differential pressure transmitter, mean velocity tube flowmeter, humiture transducer and Electric air valve, described motor, torque sensor, pressure unit, differential pressure transmitter and mean velocity tube flowmeter form constant measuring unit, described control system comprises computing machine, switch board, instrument pack and transmitter, described computing machine by communication line respectively with switch board, instrument pack is connected with transmitter, described switch board by operation circuit respectively with instrument pack, transmitter is connected with blower fan apparatus.
2. a kind of centrifugal fan device performance test teaching experiment practice training device according to claim 1, it is characterized in that: in described switch board, a side is provided with residual current circuit breaker from top to bottom successively, L1 pilot lamp, L1 voltage table, control system power supply knob, recording instrument without paper, relay, contactor, the first terminal row, in switch board, opposite side is provided with frequency conversion pilot lamp from top to bottom successively, L3 pilot lamp, control mode knob, Switching Power Supply, capture card terminal row, thermal overload relay, three phase converter, the second terminal row, between described L1 pilot lamp and L3 pilot lamp, be provided with L2 pilot lamp, described frequency conversion pilot lamp one side is provided with power frequency pilot lamp, between described control system power supply knob and control mode knob, be provided with Electric air valve knob, between described recording instrument without paper and Switching Power Supply, be provided with multifunctional electric meter.
3. a kind of centrifugal fan device performance test teaching experiment practice training device according to claim 2, it is characterized in that: described capture card terminal row is provided with capture card, described computing machine is connected with capture card by communication line, and described capture card is connected with instrument pack, transmitter and blower fan apparatus respectively by operation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320454240.XU CN203405994U (en) | 2013-07-29 | 2013-07-29 | A centrifugal fan device performance test teaching experiment practical training apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320454240.XU CN203405994U (en) | 2013-07-29 | 2013-07-29 | A centrifugal fan device performance test teaching experiment practical training apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203405994U true CN203405994U (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320454240.XU Expired - Fee Related CN203405994U (en) | 2013-07-29 | 2013-07-29 | A centrifugal fan device performance test teaching experiment practical training apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203405994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374905A (en) * | 2019-06-17 | 2019-10-25 | 南京理工大学 | A kind of performance testing device of centrifugal impeller |
-
2013
- 2013-07-29 CN CN201320454240.XU patent/CN203405994U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374905A (en) * | 2019-06-17 | 2019-10-25 | 南京理工大学 | A kind of performance testing device of centrifugal impeller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20200729 |