CN209866912U - Energy-saving exhaust dust removal system - Google Patents
Energy-saving exhaust dust removal system Download PDFInfo
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- CN209866912U CN209866912U CN201920201301.9U CN201920201301U CN209866912U CN 209866912 U CN209866912 U CN 209866912U CN 201920201301 U CN201920201301 U CN 201920201301U CN 209866912 U CN209866912 U CN 209866912U
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Abstract
The utility model provides an energy-conserving dust pelletizing system of airing exhaust, central blower passes through the power frequency branch road and frequency conversion branch road connection power frequency supply, the power frequency branch road is connected to starting switch's output through first change over switch, the frequency conversion is connected to starting switch's output through the second change over switch, starting switch's input and power frequency supply are connected, electric interlocking between first change over switch and the second change over switch, central blower communicates a plurality of ventilation passageways, the air outlet of every ventilation passageway all is provided with the valve, the valve passes through valve controller control, the signal terminal and the valve controller of converter are connected, the frequency of aperture adjustment voltage input according to the valve. This energy-conserving dust pelletizing system of airing exhaust realizes the dual circuit control that frequency conversion control is leading when original control starts, ensures that the normal of equipment is not influenced, reduces the waste of electric energy, practices thrift saving about 30%, reduces the fault rate of equipment, prolongs the life of equipment, reduces noise pollution.
Description
Technical Field
The utility model relates to an exhaust equipment technical field especially relates to an energy-conserving dust pelletizing system of airing exhaust.
Background
The welding robot is adopted in an arc welding area of a welding workshop on an automobile seat production line for welding operation, the fixed point welding machine is adopted in the spot welding area for welding operation, and arc welding can generate a large amount of welding smoke, manganese dioxide, zinc oxide and other substances, and can generate toxic gas, high temperature, arc light, high-frequency electromagnetic field and the like. The long-term exposure to these harmful substances can cause occupational hazards to the practitioner, so the welding fume exhaust system needs to be introduced to improve the environment of the welding workplace, provide a more comfortable working environment for the personnel and reduce the hazards of occupational diseases.
The welding room dust removal fan adopts the mode adjustment system parameter of governing valve, and this kind of regulation mode is the most primitive adjustment method, only changes the circulation resistance of passageway, and its degree of opening and shutting is not proportional with the flow to the output of driving source does not change, has wasted a large amount of electric energy, and the governing valve is adjusted manual operation control precision poor, can't realize automated control, easy maloperation, and equipment availability factor is not high, can't fully satisfy the technological requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-conserving dust pelletizing system of airing exhaust in order to solve above-mentioned problem.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an energy-conserving dust pelletizing system of airing exhaust, includes central blower and converter, central blower passes through the power frequency branch road and connects power frequency power supply with the frequency conversion branch road, and the power frequency branch road is connected to starting switch's output through first change over switch, and the frequency conversion branch road is connected to starting switch's output through second change over switch, and starting switch's input is connected with power frequency power supply, electric interlocking between first change over switch and the second change over switch, central blower intercommunication a plurality of ventilation channels, the air outlet of every ventilation channel all is provided with the valve, the valve passes through valve controller control, the signal end and the valve controller of converter are connected, according to the aperture adjustment voltage input's of valve frequency.
Furthermore, the frequency conversion branch is also provided with a frequency converter switch, the frequency converter switch is connected to the power input end of the frequency converter, and the second change-over switch is connected to the power output end of the frequency converter.
The utility model has the advantages that:
this energy-conserving dust pelletizing system of airing exhaust has improved technology, when keeping original star triangle control start-up, realizes that frequency conversion control is main, and the two circuit control of star triangle control for assisting ensures that the normal of equipment is not influenced, reduces the waste that causes the electric energy that unnecessary valve was opened, can reach about 30% saving to the saving of electric energy to reduce the fault rate of equipment, prolong the life of equipment, and reduce noise pollution.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the connection relationship of the energy-saving air exhaust and dust removal system of the present invention.
Reference numerals: 1. a central fan; 2. a frequency converter; 3. starting a switch; 4. a first changeover switch; 5. a second changeover switch; 6. a ventilation channel; 7. a valve; 8. a valve controller; 9. and a frequency converter switch.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, an energy-saving exhaust dust removal system comprises a central fan 1 and a frequency converter 2, wherein the central fan 1 is connected with a power frequency power supply through a power frequency branch and a frequency conversion branch, the power frequency branch is connected with an output end of a starting switch 3 through a first change-over switch 4, the frequency conversion branch is connected with an output end of the starting switch 3 through a second change-over switch 5, an input end of the starting switch 3 is connected with the power frequency power supply, the first change-over switch 4 and the second change-over switch 5 are electrically interlocked, the central fan 1 is communicated with a plurality of ventilation channels, an air outlet of each ventilation channel is provided with a valve 6, the valves 6 are controlled through a valve controller 7, a signal end of the frequency converter 2 is connected with the valve controller 7, and the frequency of voltage input is adjusted according to the.
The main circuit system of the one-to-one automatic bypass cabinet consists of a first change-over switch 4 and a second change-over switch 5, wherein the first change-over switch 4 and the second change-over switch 5 cannot be closed simultaneously, and the interlocking is realized electrically. When the power frequency operation is carried out, the first change-over switch 4 is closed, when the second change-over switch 5 is disconnected and the frequency conversion operation is carried out, the second change-over switch 5 is closed, and the first change-over switch 4 is disconnected. When a serious fault occurs in the speed regulating system, the central fan 1 can automatically switch into a power frequency branch, a frequency conversion branch is cut, and the central fan 1 can operate at power frequency without any influence.
And the manual dust removal pipeline valve is adjusted to be an electric valve, and a valve controller 7 is added to form joint control with the frequency converter 2. And setting a program, and adjusting the opening of the valve 6 by controlling the opening of the valve 6 to adjust the frequency of voltage input of the frequency converter 2 so as to control the air volume. When the total air volume is reduced, the air volume and the pressure of the part needing dust removal can not be reduced by closing the valve 6 of the irrelevant part, so that further energy saving is realized.
The frequency conversion branch is also provided with a frequency converter switch 8, the frequency converter switch 8 is connected to the power input end of the frequency converter 2, and the second change-over switch 5 is connected to the power output end of the frequency converter 2.
The second change-over switch 5 can be only switched off under the condition that the power frequency branch circuit runs, and the frequency converter switch 8 is not switched off to overhaul the variable-frequency speed control system.
The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.
Claims (2)
1. An energy-saving exhaust dust removal system is characterized in that: comprises a central fan (1) and a frequency converter (2), wherein the central fan (1) is connected with a power frequency power supply through a power frequency branch and a frequency conversion branch, the power frequency branch is connected with the output end of a starting switch (3) through a first change-over switch (4), the frequency conversion branch is connected with the output end of the starting switch (3) through a second change-over switch (5), the input end of the starting switch (3) is connected with the power frequency power supply, the first change-over switch (4) and the second change-over switch (5) are electrically interlocked, the central fan (1) is communicated with a plurality of ventilation channels (6), the air outlet of each ventilation channel (6) is provided with a valve (7), the valve (7) is controlled by a valve controller (8), the signal end of the frequency converter (2) is connected with the valve controller (8), and the frequency of voltage input is adjusted according to the opening degree of the valve (7).
2. An energy-saving exhaust dust removal system according to claim 1, characterized in that: the frequency conversion branch circuit is further provided with a frequency converter switch (9), the frequency converter switch (9) is connected to the power input end of the frequency converter (2), and the second change-over switch (5) is connected to the power output end of the frequency converter (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920201301.9U CN209866912U (en) | 2019-02-15 | 2019-02-15 | Energy-saving exhaust dust removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920201301.9U CN209866912U (en) | 2019-02-15 | 2019-02-15 | Energy-saving exhaust dust removal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209866912U true CN209866912U (en) | 2019-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920201301.9U Active CN209866912U (en) | 2019-02-15 | 2019-02-15 | Energy-saving exhaust dust removal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209866912U (en) |
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2019
- 2019-02-15 CN CN201920201301.9U patent/CN209866912U/en active Active
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