CN205297993U - A fan control device for glass factory - Google Patents
A fan control device for glass factory Download PDFInfo
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- CN205297993U CN205297993U CN201520878333.4U CN201520878333U CN205297993U CN 205297993 U CN205297993 U CN 205297993U CN 201520878333 U CN201520878333 U CN 201520878333U CN 205297993 U CN205297993 U CN 205297993U
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- frequency transformer
- fan
- isolating switch
- fan controller
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Abstract
The utility model provides a fan control device for glass factory, includes: locate first circuit breaker and second circuit breaker in the power return circuit, fan motor and motorised valve motor are connected respectively to its one end, the other end and the mains supply of first circuit breaker are connected, another end -apparatus and the leading -out terminal of first circuit breaker that the second opens circuit are connected. According to the utility model discloses a fan control device for glass factory has overcome manual control and has easily caused the maloperation problem. Electric valve is in the closed condition when having satisfied the initial start fan, treats slowly to open electric valve's technological requirement after the fan starts completely again.
Description
Technical field
The utility model relates to mechanical electric control techniques field, particularly relates to a kind of air-blower control for glasswork.
Background technology
At present, the air-blower control of major part glasswork is that common blower fan on off control adds manual valve regulated, owing to the tonnage of glasswork is increasing, the power of blower fan and the size of valve are also increasing accordingly, and more and more glass enterprises requires to adopt electronic valve and the control of corresponding fan linkage.
Electronic valve and corresponding fan linkage need to meet following processing requirement when controlling. When initially starting, electronic valve need to be in closing condition, slowly opens electronic valve after blower fan starts completely again; Glasswork's melting furnaces blower fan adopts the using and the reserved system, when switching blower fan, need to close electronic valve, restart stand-by fan.
For above processing requirement, have devised the fan controller of a kind of practicality newly, processing requirement can be met reliably simple and safe again.
Practical novel content
The utility model is intended to fill up the blank of existing glasswork air-blower control technology, it is provided that a kind of fan controller for glasswork.
In order to reach above-mentioned purpose, it provides a kind of fan controller for glasswork, comprising: the first isolating switch being located in electric power loop and the 2nd isolating switch, its one end is connecting fan motor and motors of electric valves respectively; The other end of described first isolating switch is connected with city's electricity power supply, and the described the other end device of the 2nd open circuit is connected with the leading-out terminal of the first isolating switch.
In some embodiments, each described blower motor is provided with frequency transformer, utilizes and arranges knob on frequency transformer digital input port, selects frequency transformer to be by long-range DCS speed governing or body panels speed governing by operation knob.
In some embodiments, the operation output relay of described frequency transformer seals in main relay closing circuit.
In some embodiments, the fault output relay of described frequency transformer seals in frequency transformer parking loop.
In some embodiments, reversible contactor seals in motors of electric valves master loop.
According to the fan controller for glasswork of the present utility model, overcoming Non-follow control and easily cause mishandle problem, when meeting initial startup blower fan, electronic valve is in closing condition, slowly opens the processing requirement of electronic valve after blower fan starts completely again.
Below in conjunction with accompanying drawing, the description of the utility model purport is described by example, with clear other aspects of the present utility model and advantage.
Accompanying drawing explanation
By reference to the accompanying drawings, by detailed explanation hereafter, can more clearly understand above-mentioned and other feature and advantage of the present utility model, wherein:
Fig. 1 is the structure iron of the fan controller for glasswork according to the utility model embodiment.
Embodiment
See the accompanying drawing of the utility model specific embodiment, the utility model hereafter will be described more in detail. But, the utility model can realize in many different forms, and should not be construed as the restriction by the embodiment in this proposition. On the contrary, it is proposed to these embodiments are to reach fully and complete disclosure, and make those skilled in the art understand scope of the present utility model completely.
Description illustrates the fan controller for glasswork according to the utility model embodiment in detail.
The fan controller for glasswork according to the utility model embodiment, comprises the first isolating switch being located in electric power loop and the 2nd isolating switch, and its one end is connecting fan motor and motors of electric valves respectively; The other end of described first isolating switch is connected with city's electricity power supply, and the described the other end device of the 2nd open circuit is connected with the leading-out terminal of the first isolating switch.
Each described blower motor is provided with frequency transformer, utilizes and arranges knob on frequency transformer digital input port, selects frequency transformer to be by long-range DCS speed governing or body panels speed governing by operation knob. The operation output relay of described frequency transformer seals in main relay closing circuit. The fault output relay of described frequency transformer seals in frequency transformer parking loop. Reversible contactor seals in motors of electric valves master loop.
First with reference to accompanying drawing, the example according to the fan controller for glasswork of the present utility model is described in detail.
A kind of fan controller for glasswork according to the utility model embodiment is hereafter described in detail.
First, arranging the first isolating switch and the 2nd isolating switch on the electric power loop of motor, its one end is connecting fan motor and motors of electric valves respectively. Secondly so that described first isolating switch is connected with city's electricity power supply, and described 2nd isolating switch is connected with the first breaker outgoing line end.
As shown in Figure 1, at present, the air-blower control of major part glasswork is that common blower fan on off control adds manual valve regulated, owing to the tonnage of glasswork is increasing, the power of blower fan and the size of valve are also increasing accordingly, and more and more glass enterprises requires to adopt electronic valve and the control of corresponding fan linkage. Electronic valve and corresponding fan linkage need to meet following processing requirement when controlling. When initially starting, electronic valve need to be in closing condition, slowly opens electronic valve after blower fan starts completely again; Glasswork's melting furnaces blower fan adopts the using and the reserved system, when switching blower fan, need to close electronic valve, restart stand-by fan; This control principle can realize blower fan Central Control Room DCS Long-distance Control, body MCC controls, scene controls on the spot, and three kinds of control mode switchings are convenient, meets the requirement of different client, facilitates the demand for security of production management and normal maintenance. Therefore the utility model changes traditional draught fan control circuit, is embodied in circuit aspect, as shown in Figure 1.
In Fig. 1, QL11a is blower fan master loop isolating switch; L11a is frequency transformer reactor; UF11a is frequency transformer; KB11a is frequency transformer manual operator; QL11a ' is motors of electric valves master loop isolating switch; The reversible contactor of KM11AR, KM11aF motors of electric valves master loop; KH11a motors of electric valves master loop thermo-relay; SA11a ' for long-range DCS control/body control transfer lever; SA11a is start and stop on the spot/body MCC start and stop/long-range DCS start and stop transfer lever; SF11a, SS11a are respectively frequency converter cabinet body start and stop manual operation button; SF111a, SS111a are respectively frequency transformer start and stop manual operation button on the spot; KA11a is that frequency transformer starts rly.; KT11a, KA113a are respectively frequency transformer operation, trouble signal rly.; KA114a is that motorized valve reaches a rly.; KA115a is that motorized valve closes the rly. that puts in place; SF111aF, SS111aR are respectively motorized valve switching push button on the spot.
Utilize and knob is set on frequency transformer digital input port, select frequency transformer to be by long-range DCS speed governing or body panels speed governing by operation knob; Utilize on motors of electric valves electric power loop, install reversible contactor, it is achieved opening or closing of motorized valve; Select control on the spot, body MCC control and long-range DCS to control by transfer lever SA11a, facilitate blower fan field adjustable and maintenance;
When initially starting to meet, electronic valve need to be in closing condition, slowly opens electronic valve after blower fan starts completely again, and timing relay KT11a by the processing requirement adjustment adjustment time delay time, after ensureing that blower fan starts completely, then can open motorized valve.
In order to facilitate blower fan field adjustable, overhaul and switch blower fan needs, it is provided with manual start stop operation button SF111a, SS111a in device context, SF111aF, SS111aR, when ensure that fault, operation of equipment convenience and staff's safety, avoid the personal injury that mishandle brings.
Realize this control device by following step:
(1) check the motor sense of rotation of every typhoon machine, make every platform motor sense of rotation correct, meet processing requirement; Check simultaneously the reversible contactor of motorized valve just oppositely and motorized valve open, whether consistent close.
(2) during normal operation, transfer lever SA11a is switched to long-range DCS control position, and main isolating switch switch QL11a and QL11a ' of manual operation closes a floodgate, and manual operation knob SA11a ' is to long-range DCS control position, blower fan master loop and motorized valve loop are all energized, and prepare to start.
A. it is given that the speed provided according to technique arranges the corresponding frequency of frequency transformer in Central Control Room DCS, Central Control Room DCS system provides initiating signal, blower motor starts under transducer drive, when frequency transformer reaches DCS set-point, proceed to normal operation, export normal operation signal when frequency transformer normally runs, drive timing relay KT11a time closing, opening motorized valve, startup completes.
B., when needs adjust rotation speed of fan, only need to change DCS set-point at Central Control Room and can realize fan speed change.
C. when main transmission needs stop or switch blower fan, Central Control Room DCS system provides stop sign, frequency transformer stopping work, and timing relay KT11a time closing contact is opened simultaneously, and normally closed contact closes, and drives motorized valve to close.
D. when frequency transformer normally runs or during fault, running or trouble signal delivers to the display of Central Control Room computer system, motorized valve reaches position simultaneously, closes the signal that puts in place and also delivers to the display of Central Control Room computer system.
(3) body MCC start and stop blower fan, transfer lever SA11a is switched to body MCC control position, and main isolating switch switch QL11a and QL11a ' of manual operation closes a floodgate, and manual operation knob SA11a ' is to body control position, blower fan master loop and motorized valve loop are all energized, and prepare to start.
A. the speed provided according to technique, by frequency transformer manual operator, corresponding frequency is set, manual operation starts button SF11a and closes a floodgate, blower motor starts under transducer drive, when frequency transformer reaches set(ting)value, proceeds to normal operation, normal operation signal is exported when frequency transformer normally runs, driving timing relay KT11a time closing, open motorized valve, startup completes.
B., when needs adjust rotation speed of fan, only need to adjust frequency transformer manual operator frequency values and can realize fan speed change.
C. when main transmission needs stop or switch blower fan, manual operation parking button SS11a closes a floodgate, frequency transformer stopping work, and timing relay KT11a time closing contact is opened simultaneously, and normally closed contact closes, and drives motorized valve to close.
D. when frequency transformer normally runs or during fault, running or trouble signal delivers to the display of Central Control Room computer system, motorized valve reaches position simultaneously, closes the signal that puts in place and also delivers to the display of Central Control Room computer system.
(4) start and stop blower fan on the spot, transfer lever SA11a is switched to control position on the spot, and main isolating switch switch QL11a and QL11a ' of manual operation closes a floodgate, and manual operation knob SA11a ' is to body control position, blower fan master loop and motorized valve loop are all energized, and prepare to start.
A. the speed provided according to technique, by frequency transformer manual operator, corresponding frequency is set, manual operation starts button SF111a on the spot and closes a floodgate, blower motor starts under transducer drive, when frequency transformer reaches set(ting)value, proceeds to normal operation, normal operation signal is exported when frequency transformer normally runs, driving timing relay KT11a time closing, open motorized valve, startup completes.
B., when needs adjust rotation speed of fan, only need to adjust frequency transformer manual operator frequency values and can realize fan speed change.
C. when main transmission needs to stop or when switching blower fan, manual operation on the spot parking scram button SS111a closes a floodgate, frequency transformer stopping work, timing relay KT11a time closing contact is opened simultaneously, and normally closed contact closes, and drives motorized valve closedown.
D. when frequency transformer normally runs or during fault, running or trouble signal delivers to the display of Central Control Room computer system, motorized valve reaches position simultaneously, closes the signal that puts in place and also delivers to the display of Central Control Room computer system.
E. when blower fan needs maintenance, needing the scram button SS111a that will stop on the spot to press, now cabinet or MCC initiating signal all cannot start the blower fan keeped in repair, effective defense sector prevents mishandle or human accident from occurring, and ensure that the safety of serviceman.
According to a kind of fan controller for glasswork of the present utility model, meet glass enterprise requirement and adopt electronic valve and the requirement of corresponding fan linkage control. Electronic valve and corresponding fan linkage need to meet following processing requirement when controlling. When initially starting, electronic valve need to be in closing condition, slowly opens electronic valve after blower fan starts completely again; Glasswork's melting furnaces blower fan adopts the using and the reserved system, when switching blower fan, need to close electronic valve, restart stand-by fan; This control principle can realize blower fan Central Control Room DCS Long-distance Control, body MCC controls, scene controls on the spot, and three kinds of control mode switchings are convenient, meets the requirement of different client, facilitates the demand for security of production management and normal maintenance.
Below preferred embodiment of the present utility model is described in detail. It is to be understood that the those of ordinary skill of this area just can make many modifications and variations according to design of the present utility model without the need to creative work. The technical scheme that all technician in the art can be obtained by logical analysis, reasoning, or a limited experiment on the basis of existing technology according to design of the present utility model, all should by the determined protection domain of claim book.
Claims (5)
1. the fan controller for glasswork, it is characterised in that, comprising: the first isolating switch being located in electric power loop and the 2nd isolating switch, its one end is connecting fan motor and motors of electric valves respectively; The other end of described first isolating switch is connected with city's electricity power supply, and the described the other end device of the 2nd open circuit is connected with the leading-out terminal of the first isolating switch.
2. fan controller according to claim 1, it is characterized in that, each described blower motor is provided with frequency transformer, utilizes and arranges knob on frequency transformer digital input port, selects frequency transformer to be by long-range DCS speed governing or body panels speed governing by operation knob.
3. fan controller according to claim 2, it is characterised in that, the operation output relay of described frequency transformer seals in main relay closing circuit.
4. fan controller according to claim 2, it is characterised in that, the fault output relay of described frequency transformer seals in frequency transformer parking loop.
5. fan controller according to claim 1, it is characterised in that, reversible contactor seals in motors of electric valves master loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878333.4U CN205297993U (en) | 2015-11-05 | 2015-11-05 | A fan control device for glass factory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520878333.4U CN205297993U (en) | 2015-11-05 | 2015-11-05 | A fan control device for glass factory |
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| Publication Number | Publication Date |
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| CN205297993U true CN205297993U (en) | 2016-06-08 |
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| CN201520878333.4U Active CN205297993U (en) | 2015-11-05 | 2015-11-05 | A fan control device for glass factory |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756986A (en) * | 2015-11-05 | 2016-07-13 | 中国建材国际工程集团有限公司 | Fan control method for glasswork |
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2015
- 2015-11-05 CN CN201520878333.4U patent/CN205297993U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756986A (en) * | 2015-11-05 | 2016-07-13 | 中国建材国际工程集团有限公司 | Fan control method for glasswork |
| CN105756986B (en) * | 2015-11-05 | 2019-12-10 | 中国建材国际工程集团有限公司 | Fan control method for glass factory |
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