CN201197958Y - High precision automatic electric vibrating controller - Google Patents
High precision automatic electric vibrating controller Download PDFInfo
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- CN201197958Y CN201197958Y CNU2008200125524U CN200820012552U CN201197958Y CN 201197958 Y CN201197958 Y CN 201197958Y CN U2008200125524 U CNU2008200125524 U CN U2008200125524U CN 200820012552 U CN200820012552 U CN 200820012552U CN 201197958 Y CN201197958 Y CN 201197958Y
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Abstract
The utility model relates to a high-precision automatic electrical vibration controller which comprises a box body and a circuit control panel arranged in the box body. A panel is arranged on the box body, and the panel is provided with an ammeter, a manual/automatic switch, a main-machine current adjusting knob, and the like. The circuit control panel comprises a sampling unit, a comparing and magnifying unit, a trigger unit and a power supply unit; signals of a main machine and a current transformator are respectively connected with regulation resistances RP1 and RP2 and are sent to a chip IC1 after rectification and wave filtering; the chip IC1 is respectively connected with the main machine and a blower stopping indicator light; the output of the chip IC1 is connected with a relay, and the normal close contact of the chip IC1 is connected with a controllable silicon control pole; and a controllable silicon is connected in a control circuit of an electromagnetic vibration machine. The utility model has scientific, reasonable and creative design, compact, strict and simple structure, convenient manufacture, stable and reliable performance, convenient installation and operation, low failure rate and better developing foreground, lightens the labor intensity, improves the work efficiency, avoids the waste of energy and human resources, and is suitable to be used for departments of mine and smelting.
Description
Technical field
The utility model relates to controller, concrete is a kind of various types of flour mills that are specifically designed to, the shake controller of feed of the electricity of pulverizing mill.
Background technology
As everyone knows, being generally used for the flour mill that ore pulverizes all is by the electro-vibrating feeder feed.Electro-vibrating feeder adopts at present mostly is the common electrical controller that shakes, and the common electricity controller that shakes carries out execute-in-place by the operator fully now.To note the operation of a machine constantly, and carry out the adjusting of feeding coal according to the running status of main frame, blower fan.Apparent this manually-operated feed-type will certainly cause the inequality of feed, the product granularity shakiness, and feeding coal is inaccuracy also, and reaction speed is slow, and the speed of adjusting waits some problems slowly.
When feed is too much, does not have enough time to regulate just can make mechanical overload as yet, and cause the badly damaged of mechanical part and circuit.Too much material also can stop up the air channel simultaneously, need open machine and clear up.
When feeding coal was very few, the adjusting that is not able to do in time as yet can make machine grinding roller and bull ring bump against serious wear even damage.
Control the controller of electro-vibrating feeder Oscillation Amplitude and also have certain problem by gathering main frame and blower fan current signal, can cause the collision of inner iron core and armature as the batcher amplitude when excessive and damage, actually or main frame blower fan participation control action is not hard to tell because of there being the indication circuit in addition, operation easier is big, because adopt common transistor circuit, heat endurance is bad, adjusts frequently, is not suitable for promoting and using.
Present shake controller and should improve really of the electricity of constantly operating by the people by the controller that collection main frame and blower fan current signal are controlled the electro-vibrating feeder Oscillation Amplitude.
Summary of the invention
The purpose of this utility model is to need come concrete operations by the people at the present common electricity controller that shakes, it is low to exist efficient, waste energy, the shake shortcoming and defect such as poor work stability of controller of amplitude modulation electricity, fully automatically, control and provide a kind of, the efficient height can make the even-grained High Precision Automatic electricity of the finished product controller that shakes.
The technical scheme that adopts is:
The High Precision Automatic electricity controller that shakes comprises casing and is contained in circuit control panel in the casing.
Be provided with panel above the described casing, one side of panel is equiped with ammeter, manual change-over switch and the electricity mechanical, electrical stream adjusting knob that shakes from top to bottom respectively, the another side of cabinet panel is provided with main frame indicator lamp and host setting knob from top to bottom respectively, blower fan indicator lamp and blower fan setting knob, main fuse seat and power switch, above-mentioned parts all are connected with the corresponding end of circuit control panel by lead.
Described circuit control panel comprises sampling unit, comparison amplifying unit, trigger element and power subsystem; Described sampling unit, current transformer by external main frame current supply circuit is connected to X3 and X4 two ends, X3 and X4 are connected to the primary side two ends of current transducer LH2, secondary side one end of current transducer LH2 connects an end of the fixed resistance value terminals of potentiometer RP2, the other end ground connection of potentiometer RP2 fixed resistance value terminals, the other end ground connection of current transducer LH2 secondary side, the sliding contact terminals of potentiometer RP2 connect the positive pole of diode D2, the negative pole of diode D2 connects the anode of resistance R 11 1 ends and capacitor C 2 simultaneously, the negativing ending grounding of capacitor C 2, the other end of resistance R 11 connects 8 pin of chip IC1;
The current transformer of external blower fan current supply circuit is connected to X1 and X2 two ends, X1 and X2 are connected to the primary side two ends of current transducer LH1, one end of current transducer LH1 secondary side connects an end of the fixed resistance value terminals of potentiometer RP1, the other end ground connection of potentiometer RP1 fixed resistance value terminals, the other end ground connection of current transducer LH1 secondary side, the sliding contact terminals of potentiometer RP1 connect the positive pole of diode D1, the negative pole of diode D1 connects an end of resistance R 1 and the anode of capacitor C 1 simultaneously, the negativing ending grounding of capacitor C 1, the other end of resistance R 1 connects 7 pin of chip IC1;
Described relatively amplifying unit is realized by chip IC 1,3 pin of chip IC 1 connect power supply 12V positive pole, chip IC 1 12 pin ground connection, 4 pin of chip IC 1,5 pin, 6 pin and 7 pin are connected an end of series resistance R10 and R8, series resistance R7 and R6, resistance R 5 and resistance R 3 respectively, series resistance R10 and R8, series resistance R7 and R6, the other end of resistance R 5 and resistance R 3 is connected the positive pole of power supply 12V jointly; 8 pin of chip IC 1 and 9 pin are connected the end of resistance R 12 and R14 respectively, and R12 and the R14 other end are connected the positive pole of power supply 12 jointly; At series resistance R8 and R10, a corresponding respectively end of resistance R 9 and the end of capacitor C 3 of connecting on the tie point of series resistance R6 and R7, the other end ground connection of the other end of resistance R 9 and capacitor C 3,6 pin of chip IC 1,7 pin, 8 pin and 9 pin are corresponding to respectively resistance R 4, R2, R13 and R15 ground connection;
2 pin of chip IC 1 connect an end of relay J coil, another termination power of the coil of relay J 12V positive pole, and relay J coil two ends are respectively and connect protection diode D3 and extinguishing arc capacitor C 4; 1 pin of chip IC 1 connects the positive pole of indicator lamp D8, and the negative pole of D8 connects the anode of capacitor C 3; 14 pin of chip IC 1 connect the positive pole of indicator lamp D9, and the negative pole of indicator lamp D9 is connected to the negative pole of indicator lamp D8;
Described trigger element is realized by chip IC 2; 8 pin of chip IC 2 connect the positive pole of power supply 12V, 1 pin ground connection of chip IC 2; 2 foot meridian capacitor C8 ground connection of chip IC 2,5 foot meridian capacitor C7 ground connection of chip IC 2,4 pin of chip IC 2 connect an end of power transformer secondary side through resistance R 18; 2 pin of chip IC 2 and 6 pin short circuits, 6 pin and 7 pin and connecting resistance R17,7 pin of chip IC 2 are in series through resistance R 16 and potentiometer RP2 and connect power supply 12V positive pole;
3 pin of chip IC 2 connect an end of the primary side that triggers transformer T2 through resistance R 19, other end ground connection, secondary side one end that triggers transformer T2 connects the positive pole of diode D6, the negative pole of diode D6 is connected with the negative pole of diode D7, the secondary side other end of transformer T2 is sent out in the positive pole contact of diode D7, connects output X7 simultaneously; Diode D6 is connected the end of hand/automatic change-over K2 with the negative pole tie point of D7, the control utmost point of the direct controllable silicon VT of the other end of K2, and contact J-K one end of relay J is connected to the negative pole of diode D6 and D7, and the other end is connected to the control utmost point of controllable silicon VT;
Described power subsystem is finished by T1 power transformer and trifocal integrated regulator; City electric connection terminal X5, X6 are connected the two ends of the primary side of power transformer T1 through power switch K1 and fuse FU, the two ends of the secondary side of transformer T1 connect the positive pole of diode D4, D5 respectively, the negative pole of D4, D5 connects with the input of three-terminal voltage-stabilizing module I C3 and is connected, the output of Voltage stabilizing module IC3 is power supply 12V, at the output of Voltage stabilizing module IC3, input respectively through capacitor C 5, C6 ground connection, the centre cap ground connection of the secondary side of transformer T1.
An end that is connected to fuse at transformer T1 connects the negative electrode of controllable silicon VT simultaneously, and the negative electrode of controllable silicon VT is exported through ammeter, by X5, the external electro-vibrating feeder in X7 two ends.
The utility model operation principle:
The utility model is to utilize the main frame of collection flour mill and the operating current signal of blower fan to realize control automatically.Because feeding coal is big more, the operating current of main motor is big more, and the operating current of blower motor is more little; Feeding coal is more little, and the operating current of main motor is more little, and the operating current of blower motor is big more.Relation according to such correspondence has designed this controller.
Set through the potentiometer RP2 amplitude of carrying out from the signal that the collection of main frame current transformer comes, 8 pin and a reference value of delivering to chip IC 1 after rectification and the filtering compare, when if input signal amplitude is higher than a reference value, the external main frame of 14 pin of chip IC 1 stops expecting that indicator lamp D9 lights, the relay J that is connected on 2 pin of chip IC 1 is moved simultaneously, the normally-closed contact of relay disconnects, the circuits for triggering of the SCR control utmost point are cut off, controllable silicon turn-offs, electro-vibrating feeder stops vibration, has also just stopped to the flour mill feed.After material in the flour mill reduces, the operating current of main frame will reduce, the 8 pin signal amplitudes that are input to chip IC 1 will be lower than a reference value, the external main frame of 14 pin of chip IC 1 stops expecting that indicator lamp extinguishes, the relay J that is connected on 2 pin of chip IC 1 discharges, and the normally-closed contact of relay J is connected, and the control utmost point of controllable silicon VT obtains triggering signal, controllable silicon VT conducting, electro-vibrating feeder has also just recovered to the flour mill feed.
The flow process of blower fan signal is identical with last cardinal principle, promptly the signal that comes from the collection of blower fan current transformer is set through potentiometer RP1 amplitude, 7 pin and a reference value of delivering to chip IC 1 after rectification and the filtering compare, when if amplitude is lower than a reference value, the external blower fan of 1 pin of chip IC 1 stops expecting that indicator lamp D8 lights, the relay J that is connected on 2 pin of chip IC 1 is moved simultaneously, the normally-closed contact of relay J disconnects, the silicon controlled control utmost point loses triggering signal, controllable silicon turn-offs, and electro-vibrating feeder has also just stopped to the flour mill feed.After material in the flour mill reduces, the operating current of blower fan will raise, 7 pin signal amplitudes of chip IC 1 will be higher than a reference value, the external blower fan of 1 pin of chip IC 1 stops expecting that indicator lamp extinguishes, the relay J that is connected on 2 pin of chip IC 1 discharges simultaneously, and the normally-closed contact of relay J is connected, and the silicon controlled control utmost point obtains triggering signal, controllable silicon conducting, electro-vibrating feeder have also just recovered the feed to flour mill.For feed, blower fan, main frame two-way control circuit be and the gate logic relation, promptly could work when two paths of signals all satisfies when opening condition electro-vibrating feeder.
Using method of the present utility model:
Earlier manual/automatic change-over on the utility model cabinet panel is moved to manual state, the operating current that strengthens electro-vibrating feeder gradually makes its even feeding, to auto state is moved manual/automatic change-over on the utility model cabinet panel in flour mill back working properly, main frame and blower fan setting knob inhour are transferred to maximum, two indicator lamps extinguish, the electro-vibrating feeder feed of starting working, when reaching rated value, the main frame electric current adjusts the host setting knob clockwise, make it when being higher than rated value, stop material, feed when being lower than rated value, adjust the blower fan setting knob more clockwise, feed when making it when the blower fan electric current is lower than rated value, stop to expect to be higher than rated value.Stop material when two indicator lamps are bright during work, feed when going out.
The size that the utility model can be controlled feeding coal automatically according to the load and the operating mode of flour mill, the optimum state that machine is always worked in configure, the finished product epigranular, fine quality, the output height, wear and tear in machines is little, and noise is low.Installation and simple to operation, fault rate is extremely low.Reduce labor intensity of operating personnel, increase work efficiency, avoid the energy and waste of manpower resource.The utility model design science, reasonable, original, compact conformation, tight, simple, easy to make, adopt the high accuracy integrated circuit, stable and reliable for performance, have development prospect preferably, the utility model is applicable to that mine, smelting department use.
Description of drawings
Fig. 1 is that the utility model cabinet panel is arranged schematic diagram.
Fig. 2 is the utility model circuit theory diagrams.
The specific embodiment
Embodiment
The High Precision Automatic electricity controller that shakes comprises casing and is contained in circuit control panel in the casing.
Described casing is provided with panel, one side of panel is equiped with ammeter 1, manual change-over switch 2 and the electricity dynamo-electric stream adjusting knob 3 that shakes from top to bottom respectively, the another side of cabinet panel is provided with main frame indicator lamp 4 and host setting knob 5 from top to bottom respectively, blower fan indicator lamp 6 and blower fan setting knob 7, main fuse seat 8 and power switch 9.
Described circuit control panel comprises sampling unit, comparison amplifying unit, trigger element and power subsystem; Described sampling unit, current transformer by external main frame current supply circuit is connected to X3 and X4 two ends, X3 and X4 are connected to the primary side two ends of current transducer LH2, secondary side one end of current transducer LH2 connects an end of the fixed resistance value terminals of potentiometer RP2, the other end ground connection of potentiometer RP2 fixed resistance value terminals, the other end ground connection of current transducer LH2 secondary side, the sliding contact terminals of potentiometer RP2 connect the positive pole of diode D2, the negative pole of diode D2 connects the anode of resistance R 11 1 ends and capacitor C 2 simultaneously, the negativing ending grounding of capacitor C 2, the other end of resistance R 11 connects 8 pin of chip IC1;
The current transformer of external blower fan current supply circuit is connected to X1 and X2 two ends, X1 and X2 are connected to the primary side two ends of current transducer LH1, one end of current transducer LH1 secondary side connects an end of the fixed resistance value terminals of potentiometer RP1, the other end ground connection of potentiometer RP1 fixed resistance value terminals, the other end ground connection of current transducer LH1 secondary side, the sliding contact terminals of potentiometer RP1 connect the positive pole of diode D1, the negative pole of diode D1 connects an end of resistance R 1 and the anode of capacitor C 1 simultaneously, the negativing ending grounding of capacitor C 1, the other end of resistance R 1 connects 7 pin of chip IC1;
Described relatively amplifying unit is realized by chip IC 1,3 pin of chip IC 1 connect power supply 12V positive pole, chip IC 112 pin ground connection, 4 pin of chip IC 1,5 pin, 6 pin and 7 pin are connected an end of series resistance R10 and R8, series resistance R7 and R6, resistance R 5 and resistance R 3 respectively, series resistance R10 and R8, series resistance R7 and R6, the other end of resistance R 5 and resistance R 3 is connected the positive pole of power supply 12V jointly; 8 pin of chip IC 1 and 9 pin are connected the end of resistance R 12 and R14 respectively, and R12 and the R14 other end are connected the positive pole of power supply 12 jointly; At series resistance R8 and R10, a corresponding respectively end of resistance R 9 and the end of capacitor C 3 of connecting on the tie point of series resistance R6 and R7, the other end ground connection of the other end of resistance R 9 and capacitor C 3,6 pin of chip IC 1,7 pin, 8 pin and 9 pin are corresponding to respectively resistance R 4, R2, R13 and R15 ground connection;
2 pin of chip IC 1 connect an end of relay J coil, another termination power of the coil of relay J 12V positive pole, and relay J coil two ends are respectively and connect protection diode D3 and extinguishing arc capacitor C 4; 1 pin of chip IC 1 connects the positive pole of indicator lamp D8, and the negative pole of D8 connects the anode of capacitor C 3; 14 pin of chip IC 1 connect the positive pole of indicator lamp D9, and the negative pole of indicator lamp D9 is connected to the negative pole of indicator lamp D8;
Described trigger element is realized by chip IC 2; 8 pin of chip IC 2 connect the positive pole of power supply 12V, 1 pin ground connection of chip IC 2; 2 foot meridian capacitor C8 ground connection of chip IC 2,5 foot meridian capacitor C7 ground connection of chip IC 2,4 pin of chip IC 2 connect an end of power transformer secondary side through resistance R 18; 2 pin of chip IC 2 and 6 pin short circuits, 6 pin and 7 pin and connecting resistance R17,7 pin of chip IC 2 are in series through resistance R 16 and potentiometer RP2 and connect power supply 12V positive pole;
3 pin of chip IC 2 connect an end of the primary side that triggers transformer T2 through resistance R 19, other end ground connection, secondary side one end that triggers transformer T2 connects the positive pole of diode D6, the negative pole of diode D6 is connected with the negative pole of diode D7, the secondary side other end of transformer T2 is sent out in the positive pole contact of diode D7, connects output X7 simultaneously; Diode D6 is connected the end of hand/automatic change-over K2 with the negative pole tie point of D7, the control utmost point of the direct controllable silicon VT of the other end of K2, and contact J-K one end of relay J is connected to the negative pole of diode D6 and D7, and the other end is connected to the control utmost point of controllable silicon VT;
Described power subsystem is finished by T1 power transformer and trifocal integrated regulator; City electric connection terminal X5, X6 are connected the two ends of the primary side of power transformer T1 through power switch K1 and fuse FU, the two ends of the secondary side of transformer T1 connect the positive pole of diode D4, D5 respectively, the negative pole of D4, D5 connects with the input of three-terminal voltage-stabilizing module I C3 and is connected, the output of Voltage stabilizing module IC3 is power supply 12V, at the output of Voltage stabilizing module IC3, input respectively through capacitor C 5, C6 ground connection, the centre cap ground connection of the secondary side of transformer T1.
An end that is connected to fuse at transformer T1 connects the negative electrode of controllable silicon VT simultaneously, and the negative electrode of controllable silicon VT is exported through ammeter, by X5, the external electro-vibrating feeder in X7 two ends.
Claims (1)
1. the High Precision Automatic electricity controller that shakes comprises casing and is contained in circuit control panel in the casing; It is characterized in that:
1), described casing is provided with panel, one side of panel is equiped with ammeter (1), manual change-over switch (2) and main frame current adjusting knob (3) from top to bottom respectively, the another side of cabinet panel (3) is provided with main frame indicator lamp (4) and host setting knob (5) from top to bottom respectively, blower fan indicator lamp (6) and blower fan setting knob 7, main fuse seat (8) and power switch (9);
2), described circuit control panel comprises sampling unit, comparison amplifying unit, trigger element and power subsystem; Described sampling unit, current transformer by external main frame current supply circuit is connected to X3 and X4 two ends, X3 and X4 are connected to the primary side two ends of current transducer LH2, secondary side one end of current transducer LH2 connects an end of the fixed resistance value terminals of potentiometer RP2, the other end ground connection of potentiometer RP2 fixed resistance value terminals, the other end ground connection of current transducer LH2 secondary side, the sliding contact terminals of potentiometer RP2 connect the positive pole of diode D2, the negative pole of diode D2 connects the anode of resistance R 11 1 ends and capacitor C 2 simultaneously, the negativing ending grounding of capacitor C 2, the other end of resistance R 11 connects (8) pin of chip IC1;
The current transformer of external blower fan current supply circuit is connected to X1 and X2 two ends, X1 and X2 are connected to the primary side two ends of current transducer LH1, one end of current transducer LH1 secondary side connects an end of the fixed resistance value terminals of potentiometer RP1, the other end ground connection of potentiometer RP1 fixed resistance value terminals, the other end ground connection of current transducer LH1 secondary side, the sliding contact terminals of potentiometer RP1 connect the positive pole of diode D1, the negative pole of diode D1 connects an end of resistance R 1 and the anode of capacitor C 1 simultaneously, the negativing ending grounding of capacitor C 1, the other end of resistance R 1 connects (7) pin of chip IC1;
3), described relatively amplifying unit is realized by chip IC 1, (3) pin of chip IC 1 connects power supply 12V positive pole, (12) pin ground connection of chip IC 1, (4) pin of chip IC 1, (5) pin, (6) pin and (7) pin are connected an end of series resistance R10 and R8, series resistance R7 and R6, resistance R 5 and resistance R 3 respectively, series resistance R10 and R8, series resistance R7 and R6, the other end of resistance R 5 and resistance R 3 is connected the positive pole of power supply 12V jointly; (8) pin of chip IC 1 and (9) pin are connected the end of resistance R 12 and R14 respectively, and R12 and the R14 other end are connected the positive pole of power supply 12 jointly; At series resistance R8 and R10, a corresponding respectively end of resistance R 9 and the end of capacitor C 3 of connecting on the tie point of series resistance R6 and R7, the other end ground connection of the other end of resistance R 9 and capacitor C 3, (6) pin of chip IC 1, (7) pin, (8) pin and (9) pin are corresponding to respectively resistance R 4, R2, R13 and R15 ground connection;
(2) pin of chip IC 1 connects an end of relay J coil, another termination power of the coil of relay J 12V positive pole, and relay J coil two ends are respectively and connect protection diode D3 and extinguishing arc capacitor C 4; (1) pin of chip IC 1 connects the positive pole of indicator lamp D8, and the negative pole of D8 connects the anode of capacitor C 3; (14) pin of chip IC 1 connects the positive pole of indicator lamp D9, and the negative pole of indicator lamp D9 is connected to the negative pole of indicator lamp D8;
4), described trigger element is realized by chip IC 2; (8) pin of chip IC 2 connects the positive pole of power supply 12V, (1) pin ground connection of chip IC 2; (2) foot meridian capacitor C8 ground connection of chip IC 2, (5) foot meridian capacitor C7 ground connection of chip IC 2, (4) pin of chip IC 2 connects an end of power transformer secondary side through resistance R 18; (2) pin of chip IC 2 and (6) pin short circuit, (6) pin and (7) pin and connecting resistance R17, (7) pin of chip IC 2 are in series through resistance R 16 and potentiometer RP2 and connect power supply 12V positive pole;
(3) pin of chip IC 2 connects an end of the primary side that triggers transformer T2 through resistance R 19, other end ground connection, secondary side one end that triggers transformer T2 connects the positive pole of diode D6, the negative pole of diode D6 is connected with the negative pole of diode D7, the secondary side other end of transformer T2 is sent out in the positive pole contact of diode D7, connects output X7 simultaneously; Diode D6 is connected the end of hand/automatic change-over K2 with the negative pole tie point of D7, the control utmost point of the direct controllable silicon VT of the other end of K2, and contact J-K one end of relay J is connected to the negative pole of diode D6 and D7, and the other end is connected to the control utmost point of controllable silicon VT;
5), described power subsystem is finished by T1 power transformer and trifocal integrated regulator; City electric connection terminal X5, X6 are connected the two ends of the primary side of power transformer T1 through power switch K1 and fuse FU, the two ends of the secondary side of transformer T1 connect the positive pole of diode D4, D5 respectively, the negative pole of D4, D5 connects with the input of three-terminal voltage-stabilizing module I C3 and is connected, the output of Voltage stabilizing module IC3 is power supply 12V, at the output of Voltage stabilizing module IC3, input respectively through capacitor C 5, C6 ground connection, the centre cap ground connection of the secondary side of transformer T1;
An end that is connected to fuse at transformer T1 connects the negative electrode of controllable silicon VT simultaneously, and the negative electrode of controllable silicon VT is exported through ammeter, by X5, the external electro-vibrating feeder in X7 two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200125524U CN201197958Y (en) | 2008-05-07 | 2008-05-07 | High precision automatic electric vibrating controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200125524U CN201197958Y (en) | 2008-05-07 | 2008-05-07 | High precision automatic electric vibrating controller |
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| Publication Number | Publication Date |
|---|---|
| CN201197958Y true CN201197958Y (en) | 2009-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200125524U Expired - Fee Related CN201197958Y (en) | 2008-05-07 | 2008-05-07 | High precision automatic electric vibrating controller |
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| CN (1) | CN201197958Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108966567A (en) * | 2018-09-06 | 2018-12-07 | 苏州胜璟电磁科技有限公司 | A kind of electromagnet controller facilitating installation |
-
2008
- 2008-05-07 CN CNU2008200125524U patent/CN201197958Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108966567A (en) * | 2018-09-06 | 2018-12-07 | 苏州胜璟电磁科技有限公司 | A kind of electromagnet controller facilitating installation |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090225 Termination date: 20140507 |