CN204494712U - Intelligent blower energy saving control system of frequency conversion in use - Google Patents
Intelligent blower energy saving control system of frequency conversion in use Download PDFInfo
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- CN204494712U CN204494712U CN201520168870.XU CN201520168870U CN204494712U CN 204494712 U CN204494712 U CN 204494712U CN 201520168870 U CN201520168870 U CN 201520168870U CN 204494712 U CN204494712 U CN 204494712U
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Abstract
Intelligent blower energy saving control system of frequency conversion in use disclosed in the utility model, comprise PLC, frequency converter, blower fan and switch module, PLC connecting valve module, the input of PLC is connected with the first temperature sensor, the second temperature sensor, three-temperature sensor, air flow sensor and B/P EGR Back Pressure Transducer EGR, and its output is by frequency converter connecting fan; First temperature sensor is arranged on fan bearing place, and the second temperature sensor and three-temperature sensor are separately positioned on motor stator and motor bearings place.The utility model is on the basis ensureing ventilation reliability, by cooperatively interacting of each sensor, obtain the parameters such as the temperature of blower fan self, air quantity and negative pressure, and by this information transmission to PLC, by frequency converter, speed regulating control is carried out to blower fan again, finally realize significant energy conservation and consumption reduction effects.Compared with known blower fan control system, the fractional energy savings that native system runs can reach 30%.
Description
Technical field
The utility model relates to a kind of control system, refers in particular to a kind of intelligent blower energy saving control system of frequency conversion in use.
Background technology
Machine room is typically provided with special fan and common civilian blower fan, but can not change due to frequency of supply, the motor speed of known blower fan remains unchanged substantially, rely on constantly " open, stop " to adjust indoor temperature, one open one stop between easily cause room temperature sometimes hot and sometimes cold, and starting current comparatively large (3 times of running current) consumes more electric energy, cause that power consumption is comparatively large and fault rate is higher.
In prior art, such as number of patent application is 201120436321.8, Intelligent fan energy-saving control system discloses each mounting temperature sensor on the indoor and equipment of heat-producing device, with the change of the temperature of monitoring equipment and indoor, with control PLC frequency converter output voltage and frequency.Although said structure can play control energy-saving effect to blower fan, have ignored the parameters such as the temperature of self institute's output in blower fan operation process, thus effectively cannot realize best energy-saving effect.
In view of this, a kind of intelligent blower energy saving control system of frequency conversion in use of the present inventor's specialized designs, this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of intelligent blower energy saving control system of frequency conversion in use, farthest to reduce energy resource consumption, realizes best energy-saving effect.
To achieve these goals, the technical solution of the utility model is as follows:
Intelligent blower energy saving control system of frequency conversion in use, comprise PLC, frequency converter, blower fan and switch module, PLC connecting valve module, the input of PLC is connected with the first temperature sensor, the second temperature sensor, three-temperature sensor, air flow sensor and B/P EGR Back Pressure Transducer EGR, and its output is by frequency converter connecting fan; First temperature sensor is arranged on fan bearing place, and the second temperature sensor and three-temperature sensor are separately positioned on motor stator and motor bearings place.
Intelligent blower energy saving control system of frequency conversion in use also comprises parameter detection module, alarm module and standby fan, the input Connecting quantity detection module of described PLC, and its output connects alarm module and frequency converter respectively, and frequency converter connects standby fan.
Described switch module comprises for the first switch of Local or Remote control with for starting or shutting down the second switch controlled.
Intelligent blower energy saving control system of frequency conversion in use also comprises human-computer interface module, and human-computer interface module connects the input of described PLC.
After adopting said structure, the utility model is rational in infrastructure, design ingenious, safe and reliable, native system on the basis ensureing ventilation reliability, by cooperatively interacting of each sensor, obtain the parameters such as the temperature of blower fan self, air quantity and negative pressure, and by this information transmission to PLC, then by frequency converter, speed regulating control is carried out to blower fan, finally realize significant energy conservation and consumption reduction effects.Compared with known blower fan control system, the fractional energy savings that native system runs can reach 30%.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Label declaration
PLC 1, the first temperature sensor 11, second temperature sensor 12, three-temperature sensor 13, air flow sensor 14, B/P EGR Back Pressure Transducer EGR 15, frequency converter 2, blower fan 3, switch module 4.
Detailed description of the invention
As shown in Figure 1, the intelligent blower energy saving control system of frequency conversion in use that the utility model discloses, comprise PLC 1, frequency converter, blower fan 3 and switch module 4, PLC 1 connecting valve module 4, switch module 4 is existing module, the input of PLC 1 is connected with the first temperature sensor 11, second temperature sensor 12, three-temperature sensor 13, air flow sensor 14 and B/P EGR Back Pressure Transducer EGR 15, and its output is by frequency converter 2 connecting fan 3; First temperature sensor 11 is arranged on fan bearing place, and the second temperature sensor 12 and three-temperature sensor 13 are separately positioned on motor stator and motor bearings place.
In order to make native system more safe and reliable in running, intelligent blower energy saving control system of frequency conversion in use also comprises parameter detection module, alarm module and standby fan, parameter detection module and alarm module are existing module, the input Connecting quantity detection module of described PLC 1, its output connects alarm module and frequency converter 2 respectively, and frequency converter 2 connects standby fan.The parameter value of setting value and acquisition detects by parameter detection module, if the parameter value obtained exceedes setting value, PLC 1 sends alarm signal, and starts standby fan.
Switch module 4 has multiple, can be specifically that switch module 4 comprises the first switch of controlling for Local or Remote and the second switch for starting or shuts down control, to make the more convenient and safety of the operation of native system.
In order to realize the intellectuality of native system further, the intelligent blower energy saving control system of frequency conversion in use of this embodiment also comprises human-computer interface module, human-computer interface module connects the input of described PLC 1, staff only just can need operate PLC 1 by human-computer interface module easily, uses simple, directly perceived.
Principle of the present utility model is as follows:
When blower fan 3 startup optimization, the input quantities such as motor stator temperature, motor bearings temperature, fan bearing temperature, negative pressure, air quantity are sent to PLC 1 by each sensor, PLC 1 is after PID arithmetic, signal is sent to control the speed of frequency converter 2 again by D/A modular converter, make frequency converter 2 drive blower fan 3 by the running of certain speed, thus realize closed-loop control.
The utility model is rational in infrastructure, design ingenious, safe and reliable, native system is on the basis ensureing ventilation reliability, by cooperatively interacting of each sensor, obtain the parameters such as temperature, air quantity and the negative pressure of blower fan 3 self, and by this information transmission to PLC 1, carry out speed regulating control by frequency converter 2 pairs of blower fans 3 again, finally realize significant energy conservation and consumption reduction effects.Compared with known blower fan control system, the fractional energy savings that native system runs can reach 30%.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present utility model.
Claims (4)
1. intelligent blower energy saving control system of frequency conversion in use, it is characterized in that: comprise PLC, frequency converter, blower fan and switch module, PLC connecting valve module, the input of PLC is connected with the first temperature sensor, the second temperature sensor, three-temperature sensor, air flow sensor and B/P EGR Back Pressure Transducer EGR, and its output is by frequency converter connecting fan; First temperature sensor is arranged on fan bearing place, and the second temperature sensor and three-temperature sensor are separately positioned on motor stator and motor bearings place.
2. intelligent blower energy saving control system of frequency conversion in use as claimed in claim 1, it is characterized in that: also comprise parameter detection module, alarm module and standby fan, the input Connecting quantity detection module of described PLC, its output connects alarm module and frequency converter respectively, and frequency converter connects standby fan.
3. intelligent blower energy saving control system of frequency conversion in use as claimed in claim 1, is characterized in that: described switch module comprises for the first switch of Local or Remote control with for starting or shutting down the second switch controlled.
4. intelligent blower energy saving control system of frequency conversion in use as claimed in claim 1, it is characterized in that: also comprise human-computer interface module, human-computer interface module connects the input of described PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520168870.XU CN204494712U (en) | 2015-03-25 | 2015-03-25 | Intelligent blower energy saving control system of frequency conversion in use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520168870.XU CN204494712U (en) | 2015-03-25 | 2015-03-25 | Intelligent blower energy saving control system of frequency conversion in use |
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| CN204494712U true CN204494712U (en) | 2015-07-22 |
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| CN201520168870.XU Active CN204494712U (en) | 2015-03-25 | 2015-03-25 | Intelligent blower energy saving control system of frequency conversion in use |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066353A (en) * | 2015-08-07 | 2015-11-18 | 广东美的制冷设备有限公司 | Air speed control method for variable frequency air conditioner and air conditioner |
| CN113099695A (en) * | 2021-04-07 | 2021-07-09 | 上海应用技术大学 | PLC frequency conversion temperature control system for box-in ventilation of converter transformer |
| CN113323705A (en) * | 2021-07-20 | 2021-08-31 | 淮南矿业(集团)有限责任公司 | Mine hoisting main ventilator fault switching method |
-
2015
- 2015-03-25 CN CN201520168870.XU patent/CN204494712U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066353A (en) * | 2015-08-07 | 2015-11-18 | 广东美的制冷设备有限公司 | Air speed control method for variable frequency air conditioner and air conditioner |
| CN105066353B (en) * | 2015-08-07 | 2018-03-23 | 广东美的制冷设备有限公司 | The wind speed control method and air conditioner of a kind of convertible frequency air-conditioner |
| CN113099695A (en) * | 2021-04-07 | 2021-07-09 | 上海应用技术大学 | PLC frequency conversion temperature control system for box-in ventilation of converter transformer |
| CN113323705A (en) * | 2021-07-20 | 2021-08-31 | 淮南矿业(集团)有限责任公司 | Mine hoisting main ventilator fault switching method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 502, No. 558 Xianyue Road, Siming District, Xiamen City, Fujian Province, 361009 Patentee after: Xiamen nengkong Automation Technology Co.,Ltd. Address before: Room 502, No. 558 Xianyue Road, Siming District, Xiamen City, Fujian Province, 361009 Patentee before: XIAMEN NENGKONG AUTOMATION TECHNOLOGY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |