CN203366168U - Temperature and humidity control system of special motor - Google Patents
Temperature and humidity control system of special motor Download PDFInfo
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- CN203366168U CN203366168U CN 201320411227 CN201320411227U CN203366168U CN 203366168 U CN203366168 U CN 203366168U CN 201320411227 CN201320411227 CN 201320411227 CN 201320411227 U CN201320411227 U CN 201320411227U CN 203366168 U CN203366168 U CN 203366168U
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- 239000000919 ceramic Substances 0.000 claims description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 239000013256 coordination polymer Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000007791 dehumidification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a temperature and humidity control system of a special motor. The system comprises a temperature and humidity sensor unit, an analog quantity input module, a PLC controller, an analog quantity output module, a temperature and humidity adjusting actuator, an Ethernet module and a host computer. The temperature and humidity sensor unit is electrically connected with the PLC controller through the analog quantity input module. The PLC controller is electrically connected with the temperature and humidity adjusting actuator through the analog quantity output module. The PLC controller is electrically connected with the host computer through the Ethernet module. The system has the advantages that the high precision sensor and a PID adjusting technology scheme are used; data acquisition and adjusting periods are shortened, and the precision is increased; real-time monitoring can be carried out on the temperature and the humidity in a special motor test device at the same time; the system can communicate with the host computer, so that a user can easily view experiment data; the operation is simple; and the work efficiency is improved.
Description
Technical field
The utility model relates to a kind of temperature, humidity observing and controlling regulating device; Particularly relate to temperature, humidity observing and controlling regulating device in a kind of specific type of electric machine real-time monitoring device.
Background technology
Many specific type of electric machines all require to move under specific environmental baseline.Temperature is too low, excess Temperature, humidity excessive (dewfall) all constitute a threat to the safe operation of motor.Obviously, the measurement of temperature and humidity parameter and control are urgent problems.So, a kind of efficient, accurate, real-time temperature of market demand, humidity observing and controlling regulating device, device interior and surrounding environment humiture are carried out to Real-Time Monitoring and control, improve the security of motor operation, reduce failure rate, extension device serviceable life, in order to avoid apparatus overheat, cross wet and have an accident, device security can normally be moved.
Summary of the invention
Technical problem to be solved in the utility model is that temperature, humidity observing and controlling regulating device in a kind of specific type of electric machine real-time monitoring device are provided.
The technical scheme that the utility model adopts is, a kind of temperature and humidity control system of specific type of electric machine, comprise, Temperature Humidity Sensor unit, analog input module, PLC controller, analog output module, temperature and humidity regulation topworks, ethernet module and host computer, described Temperature Humidity Sensor unit is electrically connected to the PLC controller by the analog input module, the PLC controller is electrically connected to temperature and humidity regulation topworks by analog output module, and the PLC controller also is electrically connected to mutually by ethernet module and host computer.
Described Temperature Humidity Sensor unit, comprise, temperature sensor and humidity sensor, and described temperature sensor and humidity sensor are electrically connected to the analog input module respectively; Described temperature and humidity regulation topworks, comprise, adjustment topworks and humidity regulation topworks, and described analog output module is electrically connected to adjustment topworks and humidity regulation topworks respectively.
Described adjustment topworks, comprise, controllable silicon, electric control valve, ceramic electric heater and fan coil, described analog output module is controlled ceramic electric heater by adjusting the silicon controlled conduction angle, and described analog output module is adjusted the discharge of fan coil by the opening degree of adjusting electric control valve 1; Described humidity regulation topworks, comprise, electric control valve 2 and atomizing humidifier, the spray amount of the opening degree atomizing humidifier of described analog output module by adjusting electric control valve 2.
The opening degree scope of adjusting electric control valve 1 and electric control valve 2 is 0%-100%.
The model of analog input module is SM331, and the model of PLC controller is S7-300, and the model of analog output module is that the model of SM332, ethernet module is CP 343-1 Lean.
The beneficial effects of the utility model are that employing high-precision sensor and PID regulation technology scheme, shorten data acquisition and regulating cycle and precision increases, and can carry out Real-Time Monitoring to the temperature in the specific type of electric machine test unit, humidity simultaneously; And can with the host computer computer communication, the user can check experimental data easily; Simple to operate, improved work efficiency.
The accompanying drawing explanation
Fig. 1 is the electric circuit constitute block scheme of the temperature and humidity control system of the utility model specific type of electric machine;
Fig. 2 is humiture setting, detection and the control schematic diagram of the temperature and humidity control system of the utility model specific type of electric machine;
Fig. 3 is the circuit theory schematic diagram of the temperature and humidity control system of the utility model specific type of electric machine;
Fig. 4 is the temperature PID adjustment curve figure of the temperature and humidity control system of the utility model specific type of electric machine;
Fig. 5 is the humidity PID adjustment curve figure of the temperature and humidity control system of the utility model specific type of electric machine.
In figure:
10, Temperature Humidity Sensor unit 20, analog input module
30, PLC controller 40, analog output module
50, temperature and humidity regulation topworks 60, ethernet module
70, host computer 80, adjustment topworks
90, humidity regulation topworks.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figure 1 to Figure 3, the temperature and humidity control system of the utility model specific type of electric machine, comprise, Temperature Humidity Sensor unit 10, analog input module 20, PLC controller 30, analog output module 40, temperature and humidity regulation topworks 50, ethernet module 60 and host computer 70, described Temperature Humidity Sensor unit 10 is electrically connected to PLC controller 30 by analog input module 20, PLC controller 30 is electrically connected to temperature and humidity regulation topworks 50 by analog output module 40, PLC controller 30 also is electrically connected to mutually by ethernet module 60 and host computer 70.Native system mainly provides a reliable and stable environment, completes the test to specific type of electric machine, and can be provided corresponding with consistent experimental situation by measured motor for different.By humiture parameter in 70 pairs of systems of host computer, undertaken showing in real time and arranging, PLC controller 30 gathers analog signals by Temperature Humidity Sensor temperature humidity in system is carried out to the PID adjusting.System is before experiment, and the experimenter can be set the humiture of experimental situation according to the situation of motor, and whether the temperature and humidity conditions in automatic decision when test meets requirement of experiment.In test process, host computer 70 can be shown, be monitored and be processed the humiture data.To the humiture in test process, can not only automatically control, but also can manual intervention.
Temperature Humidity Sensor unit 10, comprise, temperature sensor and humidity sensor, and described temperature sensor and humidity sensor are electrically connected to analog input module 20 respectively; Described temperature and humidity regulation topworks 50, comprise, adjustment topworks 80 and humidity regulation topworks 90, and described analog output module 40 is electrically connected to adjustment topworks 80 and humidity regulation topworks 90 respectively.
The opening degree scope of adjusting electric control valve 1 and electric control valve 2 is 0%-100%.The model of analog input module 20 is SM331, and the model of PLC controller 30 is S7-300, and the model of analog output module 40 is that the model of SM332, ethernet module 60 is CP 343-1 Lean.
Principle of work of the present utility model is, native system is mainly by the PLC controller, host computer, temperature, humidity sensor, temperature and humidity regulation topworks 50,, heat-exchange system (control of fan coil electric control valve), ceramic heater (SCR control), dehumidification system (cold water dehumidifying), humidification system (control of water smoke humidification electric control valve) forms.Undertaken showing in real time and arranging that by temperature, humidity parameter in 60 pairs of Motor Measuring System of ethernet module the PLC controller gathers analog signals by temperature, humidity sensor temperature humidity in system is carried out to the PID adjusting with host computer.
PLC controller 30 (S7-300) is the compact CPU with integrated digital quantity and analog input/output, be applicable to handling property and the high occasion of response time requirement, with the function relevant to process, built-in MPI interface can set up at most simultaneously 8 with S7-300/400 or with being connected of PG, PC, OP.In these connect, be respectively all the time PG and OP and respectively retain a connection.By " global data communication ", MPI can be used for setting up the simple network that maximum 16 CPU form.Built-in I/O, 24 digital quantities input (all inputs can be processed as reporting to the police) and 16 digital outputs and 4 and analog input and 2 analog outputs, for measuring the current/voltage signal; And 1 additional input is for measuring temperature.
In engineering reality, most widely used regulator control law is ratio, integration, differential control, is called for short PID and controls, and claims again PID to regulate.The PID controller architecture is simple, good stability, reliable operation, easy to adjust and become one of major technique of Industry Control.PID controls, and in reality, also has PI and PD to control.The PID controller is exactly the error according to system, and proportion of utilization, integration, difference gauge calculate that controlled quentity controlled variable controlled.
As shown in Figure 4 and Figure 5, temperature is controlled, and at first, the analog signals that temperature sensor PT100 converts temperature signal to 4-20mA inputs to the PLC controller by analog input module 20.The real time temperature that will be collected in Motor Measuring System by temperature sensor PT100 feeds back to the PLC controller, when in system, temperature is lower than desired value, the analog signals of PLC controller output, to controllable silicon, is controlled the silicon controlled conduction angle, and then controls ceramic heater and heated; When in Motor Measuring System, temperature reaches the target setting value, ceramic heater stops heating.When in Motor Measuring System, temperature is higher than the target setting value, PLC controller output analog signals, control the folding amount of electric control valve 1, and then the coil pipe inner cold water water yield is controlled, blow over coil pipe by circulated air, to reach the purpose that reduces temperature, when in Motor Measuring System, temperature reaches desired value, electric control valve stops regulating.
Humidity is controlled, and humidity sensor converts moisture signal to the analog signals of 4-20mA, by analog input module 20, inputs to the PLC controller, value of feedback 6400-32000, corresponding humidity 0%-100% linear transformation.After entering the new wind filtration of experimental situation, first through the subcooled water dehumidification system, now, can reach the entered environment of 20% humidity.Feed back to the PLC controller by humidity sensor Real-time Collection moisture signal, controlled the folding amount of electric control valve 2 by the PLC controller, regulate the water smoke size of water smoke humidifier ejection, air is added to wet process, when humidity reaches the target setting value, humidity sensor collects signal, then controls electric control valve 2 by the PLC controller and close the water smoke humidifier.When humidity, during lower than desired value, electric control valve is opened again, and air is carried out to humidification.
The 4-20mA analog signals is exported to electric control valve 1 to analog output module 40 and thereby electric control valve 2 is controlled electric control valve opening degree 0%-100% console panel water inlet tube amount and atomizing humidifier spray amount.Analog output module 40 is exported to SCR control silicon controlled conduction angle by the 4-20mA analog signals, thereby the voltage of control ceramic heater is controlled heating-up temperature.After the system operation, the PLC controller compares according to the humiture data that set and the humiture data that collect, check whether actual value conforms to setting value, after actual value transfinites, the PLC controller is controlled actuator and is regulated actual humiture is revised by PID, then, continue to compare by the sensor image data, relatively stable to guarantee the humiture state.
About analog input module 20 (SM331) wiring, two-wire system electric current and four-wire system electric current all only have two signal wires, the key distinction between them is: two signal wires of two-wire system electric current should be given sensor or transmitter power supply, and current signal is provided again; And two signal wires of four-wire system electric current only provide current signal.Therefore, it is passive usually providing the sensor of two-wire system current signal or transmitter; And the sensor of four-wire system current signal or transmitter are provided, be active, therefore, when the template input channel of PLC controller is set as connecting the four-wire system sensor, the PLC controller only gathers simulating signal from the terminal of template passage, and when the template input channel of PLC controller is set as connecting the two-wire system sensor, also to outwards export the power supply of a direct current 24V on the passage of the analog input template of PLC controller, to drive the two-wire system working sensor.
About analog output module 40 (SM332), analog output module converts the digital signal of PLC to process required analog signals.Resolution is 12 to 15, and available parameter assignment software arranges separately scope for each passage.While making a mistake, module is sent to the diagnostic alarms message in the CPU of Programmable Logic Controller.Ethernet module 60(CP 343-1 Lean); directly S7-300 is integrated in complication system and utilizes the compatible communication of S5 by PLC controller 30(S7-300 with the message transmission rate of 100 Mbit/s by Industrial Ethernet) integrated; can protect the investment of existing factory system not have groove position rule, very flexible.Utilize the WAN characteristic of TCP/IP, by telephone network (as ISDN), just can realize far programming by means of the multileaving function, directly debugged by Industrial Ethernet.Use 180 ° of plug type joints of IE FC RJ45, be self-locking on shell, can eliminate stress, equipment connection is firm, and data communication is reliable.
The utility model is by adopting high-precision sensor, and data acquisition, regulating cycle are short, and accuracy of data acquisition is high, can to temperature, humidity, be controlled simultaneously; Use the PID regulation technology, make temperature, humidity regulation precision high; And can with the host computer computer communication, but in real-time feedback system, the humiture parameter changes, the user can check experimental data easily; Simple to operate, can carry out manually temperature, humidity, automatically control, high to the controllability of parameter, for the experimenter has saved the plenty of time.Simultaneously, can guarantee that the working environment of specific type of electric machine improves the security of motor operation, reduce failure rate, extension device serviceable life.
Claims (5)
1. the temperature and humidity control system of a specific type of electric machine, it is characterized in that, comprise, Temperature Humidity Sensor unit (10), analog input module (20), PLC controller (30), analog output module (40), temperature and humidity regulation topworks (50), ethernet module (60) and host computer (70), described Temperature Humidity Sensor unit (10) is electrically connected to PLC controller (30) by analog input module (20), PLC controller (30) is electrically connected to temperature and humidity regulation topworks (50) by analog output module (40), PLC controller (30) also is electrically connected to mutually by ethernet module (60) and host computer (70).
2. the temperature and humidity control system of a kind of specific type of electric machine according to claim 1, it is characterized in that, described Temperature Humidity Sensor unit (10), comprise, temperature sensor and humidity sensor, described temperature sensor and humidity sensor are electrically connected to analog input module (20) respectively; Described temperature and humidity regulation topworks (50), comprise, adjustment topworks (80) and humidity regulation topworks (90), described analog output module (40) is electrically connected to adjustment topworks (80) and humidity regulation topworks (90) respectively.
3. the temperature and humidity control system of a kind of specific type of electric machine according to claim 2, it is characterized in that, described adjustment topworks (80), comprise, controllable silicon, electric control valve, ceramic electric heater and fan coil, described analog output module (40) is controlled ceramic electric heater by adjusting the silicon controlled conduction angle, and described analog output module (40) is adjusted the discharge of fan coil by the opening degree of adjusting electric control valve 1; Described humidity regulation topworks (90), comprise, electric control valve 2 and atomizing humidifier, and described analog output module (40) is by the spray amount of the opening degree atomizing humidifier of adjustment electric control valve 2.
4. the temperature and humidity control system of a kind of specific type of electric machine according to claim 3, is characterized in that, the opening degree scope of adjusting electric control valve 1 and electric control valve 2 is 0%-100%.
5. according to the temperature and humidity control system of claim 1 or 2 described a kind of specific type of electric machine, it is characterized in that, the model of analog input module (20) is SM331, the model of PLC controller (30) is S7-300, and the model of analog output module (40) is that the model of SM332, ethernet module (60) is CP 343-1 Lean.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320411227 CN203366168U (en) | 2013-07-11 | 2013-07-11 | Temperature and humidity control system of special motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320411227 CN203366168U (en) | 2013-07-11 | 2013-07-11 | Temperature and humidity control system of special motor |
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| CN203366168U true CN203366168U (en) | 2013-12-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740384A (en) * | 2020-06-24 | 2020-10-02 | 湖北科莱威机电科技有限公司 | Motor control method under abnormal working condition environment |
| CN112556741A (en) * | 2020-11-26 | 2021-03-26 | 广西电网有限责任公司玉林供电局 | Accurate calibration system and method suitable for temperature and humidity sensor of transformer substation |
| CN114265454A (en) * | 2021-12-23 | 2022-04-01 | 北京新风航天装备有限公司 | Cable storage box atmospheric control system |
-
2013
- 2013-07-11 CN CN 201320411227 patent/CN203366168U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740384A (en) * | 2020-06-24 | 2020-10-02 | 湖北科莱威机电科技有限公司 | Motor control method under abnormal working condition environment |
| CN112556741A (en) * | 2020-11-26 | 2021-03-26 | 广西电网有限责任公司玉林供电局 | Accurate calibration system and method suitable for temperature and humidity sensor of transformer substation |
| CN112556741B (en) * | 2020-11-26 | 2023-02-14 | 广西电网有限责任公司玉林供电局 | Accurate calibration system and method suitable for temperature and humidity sensor of transformer substation |
| CN114265454A (en) * | 2021-12-23 | 2022-04-01 | 北京新风航天装备有限公司 | Cable storage box atmospheric control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: On July 28, 2023, the expiration and termination of the 39-volume 3002 patent Number: 30-02 Volume: 39 |
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| 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: 20131225 |