CN104196748B - One abandons plate discharge port blower fan control system - Google Patents
One abandons plate discharge port blower fan control system Download PDFInfo
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- CN104196748B CN104196748B CN201410424602.XA CN201410424602A CN104196748B CN 104196748 B CN104196748 B CN 104196748B CN 201410424602 A CN201410424602 A CN 201410424602A CN 104196748 B CN104196748 B CN 104196748B
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- discharge port
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- blower fan
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Abstract
The invention discloses one and abandon plate discharge port blower fan control system, comprising: PLC, this PLC comprises the first output cathode and the first output negative pole, wherein, is connected with the first control loop between the first output cathode and the first output negative pole; First control loop comprises relay K A1, rotary switch SQ1, dynamic circuit connector switch S B1, dynamic circuit breaker switch S B2, wherein, relay K A1 coil first end connects described first output negative pole, the first contact of relay K A1 coil second end connecting rotary switch SQ1 first end; Dynamic circuit connector switch S B1 connects with dynamic circuit breaker switch S B2 and first pair of contact shunt in the main contact of described dynamic circuit connector switch S B1 and described relay K A1, to form self-lock switch.
Description
Technical field
The present invention relates to field of electrical control, particularly one abandons plate discharge port blower fan control system.
Background technique
In medium and high density fibre panel production line, what the flow process section before slab enters continuous hot press was configured with pump drainage waste fiber abandons plate discharge port, and this discharge outlet needs powerful Fan Equipment by waste fiber pump drainage to feed bin deposit; Consider integrated management and factor of safety, existing production line to the Fan Equipment of discharge port mostly and equipment many employings bus mode such as the blower fan of other links control, namely open work and closedown simultaneously, but it is not identical to abandon the equipment such as the blower fan effective time of plate discharge port and the blower fan of other links, causes the idle running of abandoning plate discharge outlet blower fan and waste energy consumption or need to carry out complicated operation to close separately and to open the blower fan abandoning plate discharge port from the control terminal of production line; Therefore, prior art lacks and a kind ofly can carry out to the blower fan abandoning plate discharge port the mode that integrating control can carry out again controlling separately simultaneously.
Summary of the invention
For this reason, the present invention proposes a kind of one that is that can solve the problem or that at least can partly solve the problem and abandon plate discharge port blower fan control system.
The present invention proposes one and abandon plate discharge port blower fan control system, comprising:
PLC, comprises the first output cathode and the first output negative pole, wherein, is connected with the first control loop between described first output cathode and described first output negative pole;
Described first control loop comprises relay K A1, rotary switch SQ1, dynamic circuit connector switch S B1, dynamic circuit breaker switch S B2, wherein,
Described relay K A1 coil first end connects described first output negative pole, and described relay K A1 coil second end connects the first contact of described rotary switch SQ1 first end;
Described dynamic circuit connector switch S B1 connects with dynamic circuit breaker switch S B2 and first pair of contact shunt in the main contact of described dynamic circuit connector switch S B1 and described relay K A1, to form self-lock switch;
Described self-lock switch first end is connected with described relay K A1 coil second end, and its second end is connected with the second contact of described rotary switch SQ1 first end;
Described rotary switch SQ1 second end is connected with described first output cathode;
Second control loop, comprises thermorelay JR1 and contactor KM1, and described second control loop is connected between live wire L1 and zero line N, wherein,
The first end of described contactor KM1 coil connects described zero line N, second end of described contactor KM1 coil connects the first end of described thermorelay JR1 main contact, second end of described thermorelay JR1 main contact connects one end of second pair of contact in described relay K A1 main contact, and in described relay K A1 main contact, the other end of second pair of contact connects described live wire L1.
Alternatively, abandon plate discharge port blower fan control system according to of the present invention, comprise major loop further, described major loop comprises three phase electric machine M1 and circuit breaker Q 1, wherein,
Described three phase electric machine M1 is connected with described thermorelay JR1 main contact first end;
Described thermorelay JR1 main contact second end is connected with the first end of described contactor KM1 main contact;
Described circuit breaker Q 1 is connected with between the second end of described contactor KM1 main contact and live wire.
Alternatively, abandon plate discharge port blower fan control system according to of the present invention, described second control loop comprises thermorelay JR2 and contactor KM2 further, wherein,
In described thermorelay JR2 coil, described contactor KM2 coil, described relay K A1 main contact, the 3rd pair of contact series is between live wire L1 and zero line N.
Alternatively, abandon plate discharge port blower fan control system according to of the present invention, described major loop comprises three phase electric machine M2 and circuit breaker Q 2 further, wherein,
Described three phase electric machine M2 is connected with described thermorelay JR2 main contact first end;
Described thermorelay JR2 main contact second end is connected with the first end of described contactor KM2 main contact;
Described circuit breaker Q 2 is connected with between the second end of described contactor KM2 main contact and live wire.
Alternatively, abandon plate discharge port blower fan control system according to of the present invention, three lead-in wires of described three phase electric machine M1 are corresponding connects thermorelay JR1 first end three contacts; Three contact correspondences of described thermorelay JR1 second end connect contactor KM1 first end three contacts; Three contact correspondences of described contactor KM1 second end connect three contacts of described circuit breaker Q 1 first end; Three contacts of described circuit breaker Q 1 second end are connected respectively live wire L1, live wire L2 and live wire L3.
Alternatively, abandon plate discharge port blower fan control system according to of the present invention, described three phase electric machine M1 is for driving the induced draught fan abandoning plate discharge port; Described three phase electric machine M2 for drive abandon plate discharge port break up roller.
Alternatively, abandon plate discharge port blower fan control system according to of the present invention, described PLC is connected with upper process control machine; Described rotary switch SQ1 is arranged on master-control room.
To sum up, plate discharge port blower fan control system is abandoned according to of the present invention, by electric devices such as PLC, relay, contactor, rotary switches, achieve abandoning the integrating control of plate discharge port blower fan and freely switching of independent electrical control, to control the diversification of abandoning plate discharge port blower fan, and then can greatly reduce the energy consumption of abandoning plate discharge port blower fan, reduce noise on production line, prevent the idle running of blower fan.
Accompanying drawing explanation
By reading hereafter detailed description of the preferred embodiment, various other advantage and benefit will become cheer and bright for those of ordinary skill in the art.Accompanying drawing only for illustrating the object of preferred implementation, and does not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.Wherein in the accompanying drawings, the multiple identical parts of alphabetic flag instruction after reference number, when making a general reference these parts, by its last alphabetic flag of omission.In the accompanying drawings:
Fig. 1 shows the first control loop schematic diagram according to one embodiment of the present invention;
Fig. 2 shows the second control loop schematic diagram according to one embodiment of the present invention;
Fig. 3 shows the major loop schematic diagram according to one embodiment of the present invention.
Embodiment
The invention provides many applicable creative concepts, this creative concept can be reflected in a large number of in concrete context.The specific embodiment described in following embodiments of the present invention only as the exemplary illustration of specific implementation of the present invention, and does not form limitation of the scope of the invention.
Below in conjunction with accompanying drawing and specific embodiment, further exemplary illustration is done to specific implementation of the present invention.
See Fig. 1 and Fig. 2, as shown in the figure, the present invention proposes one and abandon plate discharge port blower fan control system, comprising:
PLC, comprises the first output cathode and the first output negative pole, wherein, is connected with the first control loop between described first output cathode and described first output negative pole;
Described first control loop comprises relay K A1, rotary switch SQ1, dynamic circuit connector switch S B1, dynamic circuit breaker switch S B2, wherein,
Described relay K A1 coil first end connects described first output negative pole, and described relay K A1 coil second end connects the first contact a of described rotary switch SQ1 first end;
Described dynamic circuit connector switch S B1 connects with dynamic circuit breaker switch S B2 and first pair of contact shunt in the main contact of described dynamic circuit connector switch S B1 and described relay K A1, to form self-lock switch;
Described self-lock switch first end is connected with described relay K A1 coil second end, and its second end is connected with the second contact of described rotary switch SQ1 first end;
Described rotary switch SQ1 second end is connected with described first output cathode;
Second control loop, comprises thermorelay JR1 and contactor KM1, and described second control loop is connected between live wire L1 and zero line N, wherein,
The first end of described contactor KM1 coil connects described zero line N, second end of described contactor KM1 coil connects the first end of described thermorelay JR1 main contact, second end of described thermorelay JR1 main contact connects one end of second pair of contact in described relay K A1 main contact, and in described relay K A1 main contact, the other end of second pair of contact connects described live wire L1.
On medium and high density fibre panel production line, before slab enters continuous hot press, that is furnished with pump drainage waste fiber (slab) abandons Ban Kou; Further, abandon Ban Kouchu to be provided with blower fan and to lay in waste fiber pump drainage to feed bin.In the present embodiment, two kinds are provided to the blower fan of the described Ban Kouchu of abandoning and mutually can switch ground control mode: the mode that the blower fan and other Fan Equipment integrated synchronous of abandoning Ban Kouchu are controlled, and, the blower fan abandoning Ban Kouchu is controlled separately.
Particularly, rotary switch SQ1 is two operating switches, and when the first contact a of rotary switch SQ1 first end closes, described blower fan enters automatic control mode, the voltage signal control relay KA1 coil that PLC exports from described first output cathode; When relay K A1 coil electricity, second pair of make contact of relay K A1; Further, contactor KM1 coil electricity, and then the contacts of contactor controlled in the performance loop of blower fan closes, blower fan enters working state.When the second contact b of rotary switch SQ1 first end closes, abandon plate one's intention as revealed in what one says machine and enter independent control mode; After pressing a dynamic circuit connector switch S B1, relay K A1 coil electricity, and then relay K A1 first pair of make contact, and then contactor KM1 coil electricity control blower fan enters working state; After pressing a dynamic circuit breaker switch S B2, the first control loop disconnects, and blower fan quits work.
Preferably, abandon plate discharge port blower fan control system, comprise major loop further according to of the present invention, as shown in Figure 3, described major loop comprises three phase electric machine M1 and circuit breaker Q 1, wherein,
Described three phase electric machine M1 is connected with described thermorelay JR1 main contact first end;
Described thermorelay JR1 main contact second end is connected with the first end of described contactor KM1 main contact;
Described circuit breaker Q 1 is connected with between the second end of described contactor KM1 main contact and live wire.
Particularly, after contactor KM1 coil is by point, the main contact of this contactor KM1 closes, and then blower fan is started working; Further, when blower fan work loop current is transshipped, thermorelay JR1 main contact disconnects, and then major loop disconnects, and blower fan quits work; When major loop is short-circuited or transship, circuit breaker Q 1 trips and disconnects, and then the electrical apparatus element in protection major loop.
Preferably, in above-mentioned mode of execution, continue see Fig. 2, described second control loop comprises thermorelay JR2 and contactor KM2 further, wherein,
In described thermorelay JR2 coil, described contactor KM2 coil, described relay K A1 main contact, the 3rd pair of contact series is between live wire L1 and zero line N;
Described major loop comprises three phase electric machine M2 and circuit breaker Q 2 further, wherein,
Described three phase electric machine M2 is connected with described thermorelay JR2 main contact first end;
Described thermorelay JR2 main contact second end is connected with the first end of described contactor KM2 main contact;
Described circuit breaker Q 2 is connected with between the second end of described contactor KM2 main contact and live wire.
Particularly, thermorelay JR2, contactor KM2 control three phase electric machine M2, wherein, consistent with three phase electric machine M1 control mode to the control mode of three phase electric machine M2, repeat no more herein.In addition, abandon plate discharge port blower fan control system according to of the present invention, can need in major loop, add motor and corresponding control loop according to use.
Preferably, in the respective embodiments described above, as shown in Figure 3, three lead-in wires of described three phase electric machine M1 are corresponding connects thermorelay JR1 first end three contacts; Three contact correspondences of described thermorelay JR1 second end connect contactor KM1 first end three contacts; Three contact correspondences of described contactor KM1 second end connect three contacts of described circuit breaker Q 1 first end; Three contacts of described circuit breaker Q 1 second end are connected respectively live wire L1, live wire L2 and live wire L3.
Preferably, in the respective embodiments described above, described three phase electric machine M1 is for driving the induced draught fan abandoning plate discharge port; Described three phase electric machine M2 for drive abandon plate discharge port break up roller.Particularly, in Fibreboard Production process, the opening time abandoning plate discharge port every day is less than other Fan Equipment, and when discharge port is opened, induced draught fan extracts waste fiber and by breaing up the device cooperatings such as roller will be transported to feed bin to waste fiber.
Preferably, in the respective embodiments described above, described PLC is connected with upper process control machine; Described rotary switch SQ1 is arranged on master-control room.Particularly, upper industry control function receives the service data of PLC, carries out remote monitoring, and can revise the Operational Limits of PLC to line running state; Rotary switch SQ1 is selected the control mode of abandoning plate discharge port blower fan by shielded cable.
To sum up, plate discharge port blower fan control system is abandoned according to of the present invention, by electric devices such as PLC, relay, contactor, rotary switches, achieve abandoning the integrating control of plate discharge port blower fan and freely switching of independent electrical control, to control the diversification of abandoning plate discharge port blower fan, and then can greatly reduce the energy consumption of abandoning plate discharge port blower fan, reduce noise on production line, prevent the idle running of blower fan.
Considerable, the present invention will be described instead of limit the invention for above-described embodiment, and those skilled in the art can design alternative embodiment when not departing from claims scope.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.
Claims (7)
1. abandon a plate discharge port blower fan control system, comprising:
PLC, comprises the first output cathode and the first output negative pole, wherein, is connected with the first control loop between described first output cathode and described first output negative pole;
Described first control loop comprises relay K A1, rotary switch SQ1, dynamic circuit connector switch S B1, dynamic circuit breaker switch S B2, wherein,
Described relay K A1 coil first end connects described first output negative pole, and described relay K A1 coil second end connects the first contact of described rotary switch SQ1 first end;
Described dynamic circuit connector switch S B1 connects with described dynamic circuit breaker switch S B2 and first pair of contact shunt of described dynamic circuit connector switch S B1 and described relay K A1, to form self-lock switch;
Described self-lock switch first end is connected with described relay K A1 coil second end, and described self-lock switch second end is connected with the second contact of described rotary switch SQ1 first end;
Described rotary switch SQ1 second end is connected with described first output cathode;
Second control loop, comprises thermorelay JR1 and contactor KM1, and described second control loop is connected between live wire L1 and zero line N, wherein,
The first end of described contactor KM1 coil connects described zero line N, second end of described contactor KM1 coil connects the first end of described thermorelay JR1 main contact, second end of described thermorelay JR1 main contact connects one end of second pair of contact in described relay K A1 main contact, and in described relay K A1 main contact, the other end of second pair of contact connects described live wire L1.
2. according to claim 1ly abandon plate discharge port blower fan control system, comprise major loop further, described major loop comprises three phase electric machine M1 and circuit breaker Q 1, wherein,
Described three phase electric machine M1 is connected with described thermorelay JR1 main contact first end;
Described thermorelay JR1 main contact second end is connected with the first end of described contactor KM1 main contact;
Described circuit breaker Q 1 is connected with between the second end of described contactor KM1 main contact and live wire.
3. according to claim 2ly abandon plate discharge port blower fan control system, described second control loop comprises thermorelay JR2 and contactor KM2 further, wherein,
In described thermorelay JR2 coil, described contactor KM2 coil, described relay K A1 main contact, the 3rd pair of contact series is between live wire L1 and zero line N.
4. according to claim 3ly abandon plate discharge port blower fan control system, described major loop comprises three phase electric machine M2 and circuit breaker Q 2 further, wherein,
Described three phase electric machine M2 is connected with described thermorelay JR2 main contact first end;
Described thermorelay JR2 main contact second end is connected with the first end of described contactor KM2 main contact;
Described circuit breaker Q 2 is connected with between the second end of described contactor KM2 main contact and live wire.
5. according to claim 2ly abandon plate discharge port blower fan control system, wherein,
Three lead-in wires of described three phase electric machine M1 are corresponding connects thermorelay JR1 first end three contacts;
Three contact correspondences of described thermorelay JR1 second end connect contactor KM1 first end three contacts;
Three contact correspondences of described contactor KM1 second end connect three contacts of described circuit breaker Q 1 first end;
Three contacts of described circuit breaker Q 1 second end are connected respectively live wire L1, live wire L2 and live wire L3.
6. according to claim 4ly abandon plate discharge port blower fan control system, wherein,
Described three phase electric machine M1 is for driving the induced draught fan abandoning plate discharge port;
Described three phase electric machine M2 for drive abandon plate discharge port break up roller.
7. according to claim 2ly abandon plate discharge port blower fan control system, wherein,
Described PLC is connected with upper process control machine;
Described rotary switch SQ1 is arranged on master-control room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410424602.XA CN104196748B (en) | 2014-08-26 | 2014-08-26 | One abandons plate discharge port blower fan control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410424602.XA CN104196748B (en) | 2014-08-26 | 2014-08-26 | One abandons plate discharge port blower fan control system |
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| CN104196748A CN104196748A (en) | 2014-12-10 |
| CN104196748B true CN104196748B (en) | 2016-02-17 |
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| DE19701595A1 (en) * | 1996-02-15 | 1997-08-21 | Siempelkamp Gmbh & Co | Pre-heating plant for mat of pressed material for producing wooden panels, especially chipboard |
| CN102212985A (en) * | 2010-04-09 | 2011-10-12 | 大亚科技股份有限公司 | Method for carrying out energy-saving control on waste fiber recycling system applied to density fiberboard product line |
| CN202188734U (en) * | 2011-07-26 | 2012-04-11 | 浙江华建尼龙有限公司 | Drying blower provided with frequency converter |
| CN203214365U (en) * | 2013-03-04 | 2013-09-25 | 云南玉加宝人造板有限公司 | Wind circulation system for hot oil furnace |
-
2014
- 2014-08-26 CN CN201410424602.XA patent/CN104196748B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19701595A1 (en) * | 1996-02-15 | 1997-08-21 | Siempelkamp Gmbh & Co | Pre-heating plant for mat of pressed material for producing wooden panels, especially chipboard |
| CN102212985A (en) * | 2010-04-09 | 2011-10-12 | 大亚科技股份有限公司 | Method for carrying out energy-saving control on waste fiber recycling system applied to density fiberboard product line |
| CN202188734U (en) * | 2011-07-26 | 2012-04-11 | 浙江华建尼龙有限公司 | Drying blower provided with frequency converter |
| CN203214365U (en) * | 2013-03-04 | 2013-09-25 | 云南玉加宝人造板有限公司 | Wind circulation system for hot oil furnace |
Non-Patent Citations (2)
| Title |
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| 中密度纤维板铺装真空风机的改造;郑庆端;《中国人造板》;20100629;第17卷(第4期);第16-19页 * |
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Granted publication date: 20160217 Termination date: 20180826 |