CN202978725U - Moisture-discharging dust-removing fan frequency converter of tobacco drier - Google Patents
Moisture-discharging dust-removing fan frequency converter of tobacco drier Download PDFInfo
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- CN202978725U CN202978725U CN 201220695476 CN201220695476U CN202978725U CN 202978725 U CN202978725 U CN 202978725U CN 201220695476 CN201220695476 CN 201220695476 CN 201220695476 U CN201220695476 U CN 201220695476U CN 202978725 U CN202978725 U CN 202978725U
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- tobacco drier
- fan frequency
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Abstract
The utility model belongs to the technical field of frequency converters, and provides a moisture-discharging dust-removing fan frequency converter of a tobacco drier. The moisture-discharging dust-removing fan frequency converter of the tobacco drier solves the problem that an existing moisture-discharging dust-removing fan of a tobacco drier is low in working efficiency and generates instant large-current surge, and comprises a rectifying circuit, a charging loop circuit, a filtering circuit, an inverse circuit, a main control board and a driving power supply board, the rectifying circuit, the charging loop circuit, the filtering circuit and the inverse circuit are connected electrically and sequentially, the main control board is electrically connected with the inverse circuit through the driving power supply board, and a man machine interface is electrically connected on the main control board. The moisture-discharging dust-removing fan frequency converter of the tobacco drier has the advantages of high working efficiency of a fan and capability of reducing instant large-current surge.
Description
Technical field
The utility model belongs to the converter technology field, relates to a kind of frequency converter, particularly a kind of tobacco drier humidity discharging dedusting fan frequency converter.
Background technology
In today of power electronic technology, microelectric technique and control theory fast development, frequency converter is also having its consequence in Industry Control, electric drive field gradually as a kind of high-tech product, rely on efficient, safe, reliable, energy-conservation premium properties, obtained the favor of more and more enterprises.In the tobacco drier industry, circulating fan is and requisite equipment during tobacco drier coordinates, and mainly uses on the equipment such as channel type cut tobacco drying machine, fuel oil cut-tobacco drier, and it mainly is responsible for the humidity discharging dedusting, and moisture unnecessary in equipment and dust are discharged by exhaust steam passage.
At present, mainly realize the directly mode of input of three-phase alternating current for the motor of controlling blower fan, so not only at the startup instantaneous large-current, motor is caused very big impact, also can cause fluctuation to electrical network.And in tobacco drier, the air quantity of blower fan is mainly controlled by the folding degree of air door, but can have very large drawback like this: the resistance that has increased pipeline, increase the loss of pipe-line system, thereby cause the operating efficiency of motor very low, cause energy waste, be unfavorable for the energy-saving run of blower fan.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind ofly be connected to input power and control between the motor of blower fan work and can regulate the incoming frequency that input power flows to motor and realize the tobacco drier humidity discharging dedusting fan frequency converter that the air quantity of blower fan is controlled.
The purpose of this utility model can realize by following technical proposal: a kind of tobacco drier humidity discharging dedusting fan frequency converter, it is characterized in that: comprise rectification circuit, charge circuit circuit, filter circuit, inverter circuit, master control borad and driving power plate, described rectification circuit, charge circuit circuit, filter circuit and inverter circuit are electrically connected to successively, described master control borad is electrically connected to above-mentioned inverter circuit by the driving power plate, also is electrically connected with alternating interface between man and computer on described master control borad.
In above-mentioned a kind of tobacco drier humidity discharging dedusting fan frequency converter, described alternating interface between man and computer comprises the control panel that is connected with master control borad and the master station that is connected control panel and is connected with master control borad.
In above-mentioned a kind of tobacco drier humidity discharging dedusting fan frequency converter, described master station is connected by the RS485 cable with above-mentioned control panel.
In above-mentioned a kind of tobacco drier humidity discharging dedusting fan frequency converter, described control panel comprises shift register module, the LED indicating module that is electrically connected to above-mentioned master control borad and charactron display module, the keyboard input module that is connected with master control borad by shift register module.
In above-mentioned a kind of tobacco drier humidity discharging dedusting fan frequency converter, described shift register module comprises two shift registers, above-mentioned charactron display module and keyboard input module are electrically connected to main control module by two above-mentioned shift registers respectively, and described shift register is 74HC595 or 74HC165 chip.
In above-mentioned a kind of tobacco drier humidity discharging dedusting fan frequency converter, described keyboard input module comprises the operation key, stops/reset key, panel operating key, 485 operating keys and up and down shift key.
In above-mentioned a kind of tobacco drier humidity discharging dedusting fan frequency converter, described charge circuit circuit is connected in parallel and is formed by charging resistor and contactor.
In above-mentioned a kind of tobacco drier humidity discharging dedusting fan frequency converter, described driving power plate is provided with switching power circuit and the drive circuit that is electrically connected to switching power circuit, testing circuit, and described master control borad is electrically connected to drive circuit, testing circuit and switching power circuit respectively and can controls above-mentioned inverter circuit work by drive circuit.
Compared with prior art, this tobacco drier humidity discharging dedusting fan frequency converter has following several advantage:
1, simple panel designs, need not too much parameter is set, though new hand immediately left-hand seat use and be easy to and safeguard;
2, panel is controlled and 485 control double selection, and the user can select better control mode according to actual conditions;
3, can realize the soft start of motor, reduce instantaneous large-current to the impact of motor and to the fluctuation of electrical network;
4, the up and down shift key can directly change output frequency and comes the regulating electric machine rotating speed, and the user need not again to enter inner parameter setting, and is simple to operation.
Description of drawings
Fig. 1 is the circuit diagram of the utility model main circuit.
Fig. 2 is the system architecture diagram of the utility model panel.
In figure, 1, rectification circuit 2, charge circuit circuit 3, filter circuit 4, inverter circuit 5, control panel.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As illustrated in fig. 1 and 2, this tobacco drier humidity discharging dedusting fan frequency converter comprises rectification circuit 1, charge circuit circuit 2, filter circuit 3, inverter circuit 4, master control borad and driving power plate, charge circuit circuit 2 is connected in parallel and is formed by charging resistor and contactor, rectification circuit 1, charge circuit circuit 2, filter circuit 3 and inverter circuit 4 are electrically connected to successively, master control borad is electrically connected to inverter circuit 4 by the driving power plate, also is electrically connected with alternating interface between man and computer on master control borad.
The driving power plate is provided with switching power circuit and the drive circuit that is electrically connected to switching power circuit, testing circuit, and master control borad is electrically connected to drive circuit, testing circuit and switching power circuit respectively and can controls 4 work of above-mentioned inverter circuit by drive circuit.Testing circuit mainly carries out amplification and the comparison of signal by the operational amplifier on it and auxiliary circuit to sampling resistor, thereby realizes multinomial defencive function.
As shown in Figure 2, alternating interface between man and computer comprises the control panel 5 that is connected with master control borad and the master station that is connected control panel 5 and is connected with master control borad, and master station is connected by the RS485 cable with above-mentioned control panel 5.Control panel 5 comprises shift register module, the LED indicating module that is connected with master control borad and charactron display module, the keyboard input module that is connected with master control borad by shift register module.Shift register module comprises two shift registers, charactron display module and keyboard input module are electrically connected to main control module by two shift registers respectively, shift register is 74HC595 or 74HC165 chip, and the shift register in the present embodiment is the 74HC595 chip.Two shift registers are responsible for the signal data of input is read in register and sends to respectively digital display tube and master control borad; LED indication template be used for showing frequency converter operation, stop, 485 controlling and every state that panel is controlled; The charactron display module is used for the user to setting, change and supervision and every warning and the fault output display of frequency converter inner parameter.
Keyboard input module comprises the operation key, stops/reset key, panel operating key, 485 operating keys and up and down shift key.Controlling bond energy by guidance panel operating key and 485 and make the user have double selection, is to select control panel 5 to carry out input information control or select long-range master station to carry out input information and control, and can select best control mode according to actual conditions.Can input some control informations or parameter information to master control borad by keyboard input module, master control borad is responsible for the information dealing with man-machine interface, thereby the control information of input or parameter information are carried out computing, processing, conversion and produce corresponding control signal controlling each circuit and making corresponding execution work or drives inverter circuit 4 by drive circuit and make corresponding action and change output frequency and come the regulating electric machine rotating speed, thereby the air quantity of control blower fan.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (8)
1. tobacco drier humidity discharging dedusting fan frequency converter, it is characterized in that: comprise rectification circuit (1), charge circuit circuit (2), filter circuit (3), inverter circuit (4), master control borad and driving power plate, described rectification circuit (1), charge circuit circuit (2), filter circuit (3) and inverter circuit (4) are electrically connected to successively, described master control borad is electrically connected to above-mentioned inverter circuit (4) by the driving power plate, also is electrically connected with alternating interface between man and computer on described master control borad.
2. a kind of tobacco drier humidity discharging dedusting fan frequency converter according to claim 1, is characterized in that, described alternating interface between man and computer comprises the control panel (5) that is connected with master control borad and the master station that is connected control panel (5) and is connected with master control borad.
3. a kind of tobacco drier humidity discharging dedusting fan frequency converter according to claim 2, is characterized in that, described master station is connected by the RS485 cable with above-mentioned control panel (5).
4. a kind of tobacco drier humidity discharging dedusting fan frequency converter according to claim 2, it is characterized in that, described control panel (5) comprises shift register module, the LED indicating module that is electrically connected to above-mentioned master control borad and charactron display module, the keyboard input module that is connected with master control borad by shift register module.
5. a kind of tobacco drier humidity discharging dedusting fan frequency converter according to claim 4, it is characterized in that, described shift register module comprises two shift registers, above-mentioned charactron display module and keyboard input module are electrically connected to main control module by two above-mentioned shift registers respectively, and described shift register is 74HC595 or 74HC165 chip.
6. according to claim 4 or 5 described a kind of tobacco drier humidity discharging dedusting fan frequency converters, is characterized in that, described keyboard input module comprises the operation key, stops/reset key, panel operating key, 485 operating keys and up and down shift key.
7. a kind of tobacco drier humidity discharging dedusting fan frequency converter according to claim 1, is characterized in that, described charge circuit circuit (2) is connected in parallel and is formed by charging resistor and contactor.
8. a kind of tobacco drier humidity discharging dedusting fan frequency converter according to claim 1, it is characterized in that, described driving power plate is provided with switching power circuit and the drive circuit that is electrically connected to switching power circuit, testing circuit, and described master control borad is electrically connected to drive circuit, testing circuit and switching power circuit respectively and can controls above-mentioned inverter circuit (4) work by drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695476 CN202978725U (en) | 2012-12-14 | 2012-12-14 | Moisture-discharging dust-removing fan frequency converter of tobacco drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695476 CN202978725U (en) | 2012-12-14 | 2012-12-14 | Moisture-discharging dust-removing fan frequency converter of tobacco drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202978725U true CN202978725U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220695476 Expired - Fee Related CN202978725U (en) | 2012-12-14 | 2012-12-14 | Moisture-discharging dust-removing fan frequency converter of tobacco drier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202978725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567845A (en) * | 2015-10-12 | 2017-04-19 | 无锡市明庭电气有限公司 | Moisture-removal energy-saving device |
-
2012
- 2012-12-14 CN CN 201220695476 patent/CN202978725U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567845A (en) * | 2015-10-12 | 2017-04-19 | 无锡市明庭电气有限公司 | Moisture-removal energy-saving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG XINFULING ELECTRIC CO., LTD. Free format text: FORMER NAME: TAIZHOU FULING ELECTRIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 317519, 2, North Ring Road, Wenling City, Zhejiang, Taizhou Patentee after: Zhejiang nouveaux riches insult electric incorporated company Address before: 317519, 2, North Ring Road, Wenling City, Zhejiang, Taizhou Patentee before: Taizhou Fuling Electrical Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20151214 |
|
| EXPY | Termination of patent right or utility model |