CN100369343C - Garment vehicle idle power-off electricity-saving device - Google Patents
Garment vehicle idle power-off electricity-saving device Download PDFInfo
- Publication number
- CN100369343C CN100369343C CNB2005100501792A CN200510050179A CN100369343C CN 100369343 C CN100369343 C CN 100369343C CN B2005100501792 A CNB2005100501792 A CN B2005100501792A CN 200510050179 A CN200510050179 A CN 200510050179A CN 100369343 C CN100369343 C CN 100369343C
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- China
- Prior art keywords
- circuit
- phase
- garment
- control circuit
- phase failure
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Abstract
The present invention relates to a garment vehicle idle power-off electricity saver for the automatic on-off control and the phase failure protection of a garment vehicle motor. A circuit device of the present invention comprises a main circuit, a control circuit and a phase failure signal detecting circuit, wherein the main circuit comprises a half-wave rectifying circuit, a triggering control circuit and a silicon controllable circuit; the control circuit is jointly composed of a capacitance depressurizing full-wave rectifying circuit, a signal detecting circuit and an isolating circuit, and the signal detecting circuit is composed of a Hall switch circuit H; electric current is connected with a time delay protective circuit after full-wave rectification and before input into the Hall switch circuit; the phase failure signal detecting circuit arranged between a first zero 01 point and a second zero 02 point forms a phase failure time delay protective circuit together with the time delay protective circuit in the control circuit. The present invention detects whether a garment vehicle is in a zero load working state or a load working state by a sensor and automatically controls the on/off of the motor to achieve the purpose of energy saving; simultaneously, the present invention can effectively protect the safety of the motor when a phase failure fault appears.
Description
Technical field
The present invention relates to the control technology field of motor, especially relate to according to operating state and utilize transducer to realize motor open close control device automatically; The open phase protection technical field that also relates to motor in addition.
Background technology
At present, industrial electronic sewing machine is open close by three-phase button control motor, and motor runs to come off duty from the working beginning always and just cuts out.And in the real work, the workman is when doing back work, and motor all is to be in the no-load running state, so caused very big waste of energy.The patent searching document; the scheme of some sewing machine electricity-saving appliance is open; as " electronic sewing machine electricity-saving protection device "; the patent No.: 93205100.6, and " full-automatic electric sewing machine electricity-saving appliance " patent No.: 0227309.3, above-mentioned patent all is sewing machines of control monophase machine; the power output of motor when zero load maintained in the lower scope; to reach purpose of saving, its no-load running situation still exists, and not seeing has the three phase electric machine sewing machine to disclose with the scheme that open close control reaches power savings.
Summary of the invention
The objective of the invention is provides a kind of garment vehicle idle power-off electricity-saving device in order to overcome the deficiency of prior art, and the sewing machine motor is opened when work, and outage automatically reduces the waste of the energy when unloaded; Another purpose is to avoid burning out motor because of open phase fault takes place.
For achieving the above object, technical scheme of the present invention is such: a kind of garment vehicle idle power-off electricity-saving device, its electronic circuit board is drawn holding wire and is connected on the Hall element, with Hall element as transducer, be fixed on the fixing rack for sensor that is provided with on the sewing machine crosspiece, correspondence position at Hall element is equipped with magnet steel, magnet steel is fixed on the magnet steel pull bar, the magnet steel pull bar is connected with clutch control lever, also be connected with control pull rod on the clutch control lever, the hinged pedal of control pull rod is along with the motion of pedal, drive magnet steel work separates and closing motion with Hall element, thus the break-make of control motor power; Its electronic circuit comprises: main circuit, control circuit and phase failure signal deteching circuit; In the main circuit, each triggers power supply with the capacitance decompression half-wave rectifying circuit as ghyristor circuit, and the controllable silicon input is provided with trigger control circuit, three-phase becomes Y-connection by the resistance in the capacitance decompression half-wave rectifying circuit separately respectively, and this tie point is the first zero; Three-phase becomes Y-connection by the current-limiting resistance of controllable silicon output respectively simultaneously, and this tie point was second zero point;
In control circuit, power supply again through filtering, voltage stabilizing, is supplied with Hall switch circuit as the control power supply through the rectification of capacitance decompression full-wave rectifying circuit; Hall switch circuit has constituted control circuit with the buffer circuit of being made up of three photoelectrical couplers;
In phase failure signal deteching circuit, when open phase fault occurring, utilize the change in voltage at the first zero and second zero point, through sampling, rectification, input optocoupler; The conducting of photoelectrical coupler, Hall switch circuit short circuit in the control circuit makes in the main circuit controllable silicon not have trigger current and closes, and reaches the purpose of motor open phase protection.
Owing to adopted technique scheme, a kind of garment vehicle idle power-off electricity-saving device of the present invention, utilizing the sensor sewing machine is zero load or loaded work piece state, automatic control motor open close is to reach purpose of energy saving.When open phase fault occurring, can effectively protect motor safety simultaneously.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in detail.
Accompanying drawing 1 is a mounting connection structure schematic diagram of the present invention.
Fig. 2 is a main circuit schematic diagram of the present invention.
Fig. 3 is a control circuit schematic diagram of the present invention.
Fig. 4 is a phase failure signal deteching circuit schematic diagram of the present invention.
Among the figure: 1, Hall element, 2, magnet steel, 3, fixing rack for sensor, 4, the magnet steel pull bar, 5, clutch control lever, 6, the sewing machine crosspiece, 7, bolt, 8, screw, 9, sewing machine motor (being the M in the circuit diagram), 10, pedal, 11, control pull rod, 12, the pedal fulcrum.
Embodiment
Shown in accompanying drawing 1, a kind of garment vehicle idle power-off electricity-saving device of the present invention, its electronic circuit board is drawn holding wire and is connected on the Hall element 1, with Hall element 1 as transducer, be fixed on the fixing rack for sensor 3 that is provided with on the sewing machine crosspiece 6 by screw 8, correspondence position at Hall element is equipped with magnet steel 2, magnet steel is fixed on the magnet steel pull bar 4 by bolt 7, the magnet steel pull bar is connected with clutch control lever 5, also is connected with control pull rod 11 on the clutch control lever, the hinged pedal 10 of control pull rod, the pedal end is a pedal fulcrum 12, along with the motion of pedal, drive the clutch campaign of magnet steel work and Hall element, thus the break-make of control motor 9 power supplys;
Electronic circuit comprises: main circuit, control circuit and phase failure signal deteching circuit; Its main circuit principle is an example with A as shown in Figure 2 mutually, current-limiting resistance R
11, discharge resistance R
4, decompression capacitor C
4, voltage-stabiliser tube VS
1, diode VD
1, filter capacitor C
8Form the capacitance decompression half-wave rectifying circuit, as bidirectional triode thyristor V
1The triggering power supply, A and other two-phases B and C are respectively with the current-limiting resistance R in the capacitance decompression half-wave rectifying circuit
11, R
12, R
13An end star link together, constitute the first zero 0
1The power supply halfwave rectifier is after the first photoelectrical coupler B
1With the first triode VT
1And first resistance R
19The trigger control circuit of forming; The output and the trigger control circuit of capacitance decompression half-wave rectifying circuit are joined; The first triode VT wherein
1Emitter and the current-limiting resistance R in base stage and the capacitance decompression half-wave rectifying circuit
11Two ends join the first triode VT
1Collector electrode and base stage respectively with the first photoelectrical coupler B
1Output connect the first bidirectional triode thyristor V
1Input and output connect power supply and motor M respectively; And be provided with by being connected to the first bidirectional triode thyristor V
1First capacitor C at two ends
1, the first discharge resistance R
1, the 4th current-limiting resistance R
8The controllable silicon overvoltage crowbar of forming; The said first discharge resistance R
1With first capacitor C
1Parallel connection is again with the 4th current-limiting resistance R
8The first controllable silicon V is received in series connection respectively
1Two ends; At the controllable silicon output termination first current-limiting resistance R
16A and other two-phases B and C are respectively with first, second and third three bidirectional triode thyristor V
1, V
2, V
3Three current-limiting resistance R of first, second and third of output
16, R
17, R
18An end star link together, constitute second 0. 0
2
The former reason of control circuit is shown in Figure 3, current-limiting resistance R
14, discharge resistance R
7, decompression capacitor C
7, rectifier diode VD
4-VD
7, filter capacitor C
11, divider resistance R
15, voltage-stabiliser tube VS
4Form the capacitance decompression full-wave rectifying circuit, itself and magnet steel and by Hall switch circuit H, capacitor C
13, resistance R
23, R
32And light-emitting diode VL composition control signal testing circuit, and by first, second, third 3 photoelectrical coupler B
1, B
2, B
3With three resistance R for maintenance photoelectrical coupler input current potential
29, R
30, R
31The buffer circuit of forming has been formed control circuit jointly;
Power supply is connected to the delay protection circuit import Hall switch circuit H after full-wave rectification before, by the 4th photoelectrical coupler B
4, charging resistor R
34, delay capacitor C
12, discharge resistance R
22, biasing resistor R
28, voltage-stabiliser tube VS
5, one-way SCR V
4Form; Said the 4th photoelectrical coupler B
4Output and charging resistor R
34, delay capacitor C
12Series connection is again with one-way SCR V
4Parallel connection, discharge resistance R
22Be parallel to delay capacitor C
12Two ends, voltage-stabiliser tube VS
5Negative electrode receive delay capacitor C
12An end, anode meets biasing resistor R
28, and with one-way SCR V
4Gate pole be connected; Itself and phase failure signal deteching circuit shown in Figure 4 constitute resolves the phase delay protective circuit;
The former reason of phase failure signal deteching circuit is shown in Figure 4, first 0. 0
1With second 0. 0
2Between, be provided with by first, second two input resistance R
23, R
24With first, second two diode VD
8, VD
9And the 4th photoelectrical coupler B
4Input form phase failure signal deteching circuit.
Its course of work is such: open K switch, depress pedal, magnet steel separates with Hall element, and Hall switch circuit is closed, its output 3 is a high level, light-emitting diode VL sends green light, and first, second and third three photoelectrical couplers are open-minded simultaneously, and photoelectric coupler output end is connected triggering power supply and controllable silicon gate pole, the controllable silicon conducting, the motor operation, the clutch closure, sewing machine is started working.
After work is finished, decontrol pedal, clutch is owing to the spring force effect separates, magnet steel and Hall element closure, promptly be within the distance of Hall switch circuit working point, Hall switch circuit is open-minded, and its output 3 is a low level, 2,3 end-point voltages of Hall switch circuit are zero, light-emitting diode VL extinguishes, and first, second and third three photoelectrical couplers cut out simultaneously, and photoelectric coupler output end disconnects triggering power supply and controllable silicon gate pole, controllable silicon does not have trigger voltage and closes, the motor outage.
When circuit or element fault occurring, and make three bidirectional triode thyristors simultaneously during break-make, can cause the motor open-phase running, this moment can be at first, second two 0. 0
1Point and 0
2Produce voltage between the point, detected, and make the 4th photoelectrical coupler B by phase failure signal deteching circuit
4Open-minded, the delay protection circuit operation is through time-delay, one-way SCR V
4Conducting, with the power supply short circuit of Hall switch circuit, Hall switch circuit is closed, first, second and third three photoelectrical coupler B
1, B
2, B
3Also close main circuit bidirectional triode thyristor V
1, V
2, V
3Turn-off, the motor outage, thus the protection motor does not burn out because of open-phase running.
Claims (3)
1. garment vehicle idle power-off electricity-saving device, its circuit arrangement comprises: main circuit, control circuit and phase failure signal deteching circuit is characterized in that: in the main circuit, each is with the capacitance decompression half-wave rectifying circuit, as the The Trigger of Bidirectional Triode Thyristor power supply; Current-limiting resistance (R in A, B, the C three-phase capacitance decompression half-wave rectifying circuit separately
11, R
12, R
13) an end star link together, constitute the first zero (0
1); First, second and third three photoelectrical coupler (B
1, B
2, B
3) and first, second and third three triode (VT
1, VT
2, VT
3) and first, second and third three resistance (R
19, R
20, R
21) form trigger control circuit, the output of capacitance decompression half-wave rectifying circuit is connected with trigger control circuit; First, second and third three triode (VT wherein
1, VT
2, VT
3) emitter and base stage be connected to current-limiting resistance (R in A, B, the C three-phase capacitance decompression half-wave rectifying circuit separately
11, R
12, R
13) two ends, first, second and third three triode (VT
1, VT
2, VT
3) collector electrode and base stage respectively with first, second and third three photoelectrical coupler (B
1, B
2, B
3) output connect; Three bidirectional triode thyristor (V of first, second and third of A, B, C three-phase
1, V
2, V
3) input be connected three current-limiting resistance (R of first, second and third of output wherein respectively with A, B, C three phase mains and motor (M) with output
16, R
17, R
18) an end star link together, constituted for second zero point (0
2);
In the control circuit, with the control signal testing circuit of capacitance decompression full-wave rectifying circuit, Hall switch circuit (H) composition and by first, second, third 3 photoelectrical coupler (B
1, B
2, B
3) buffer circuit formed formed control circuit jointly; Power supply is imported the preceding delay protection circuit that is connected to of Hall switch circuit (H) after full-wave rectification;
In the phase failure signal deteching circuit, in the first zero (0
1) and second zero point (0
2) between, be provided with by first and second two input resistance (R
23, R
24) and first and second two diode (VD
8, VD
9) and the 4th photoelectrical coupler (B
4) the phase failure signal deteching circuit formed of input; Its delay protection circuit in control circuit constitutes resolves the phase delay protective circuit.
2. a kind of garment vehicle idle power-off electricity-saving device according to claim 1 is characterized in that: first, second, third 3 bidirectional triode thyristor (V in the main circuit
1, V
2, V
3) being connected to overvoltage crowbar respectively, overvoltage crowbar is by being connected to first, second, third 3 bidirectional triode thyristor (V respectively
1, V
2, V
3) first, second, third 3 electric capacity (C at two ends
1, C
2, C
3) and first, second, third 3 discharge resistance (R
1, R
2, R
3) and the 4th, the 5th, the 63 current-limiting resistance (R
8, R
9, R
10) form; Said first, second, third 3 discharge resistance (R
1, R
2, R
3) and first, second, third 3 electric capacity (C
1, C
2, C
3) parallel connection, again with the 4th, the 5th, the 63 current-limiting resistance (R
8, R
9, R
10) receive first, second, third 3 bidirectional triode thyristor (V respectively after the series connection
1, V
2, V
3) two ends.
3. a kind of garment vehicle idle power-off electricity-saving device according to claim 1 is characterized in that: be provided with the delay protection circuit in the said control circuit; This circuit is by the 4th photoelectrical coupler (B
4), charging resistor (R
34), delay capacitor (C
12), discharge resistance (R
22), biasing resistor (R
28), voltage-stabiliser tube (VS
5) and one-way SCR (V
4) form; Said the 4th photoelectrical coupler (B
4) output and charging resistor (R
34), delay capacitor (C
12) series connection, again with one-way SCR (V
4) parallel connection, discharge resistance (R
22) be parallel to delay capacitor (C
12) two ends, voltage-stabiliser tube (VS
5) negative electrode receive delay capacitor (C
12) an end, anode meets biasing resistor (R
28) and with one-way SCR (V
4) gate pole be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100501792A CN100369343C (en) | 2005-06-15 | 2005-06-15 | Garment vehicle idle power-off electricity-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100501792A CN100369343C (en) | 2005-06-15 | 2005-06-15 | Garment vehicle idle power-off electricity-saving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1710769A CN1710769A (en) | 2005-12-21 |
| CN100369343C true CN100369343C (en) | 2008-02-13 |
Family
ID=35706965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100501792A Expired - Fee Related CN100369343C (en) | 2005-06-15 | 2005-06-15 | Garment vehicle idle power-off electricity-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100369343C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227573A (en) * | 2013-05-06 | 2013-07-31 | 陈军 | Alternating-current voltage reduction micro-current supply circuit |
| CN103561499A (en) * | 2013-10-23 | 2014-02-05 | 浙江耀恒光电科技有限公司 | Low power consumption stand-by circuit of tandem type LED circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2165570Y (en) * | 1993-02-27 | 1994-05-18 | 鹤山县电器技术研究所 | Electricity-saving protector for motor-driven sewing machine |
| CN2548363Y (en) * | 2002-05-08 | 2003-04-30 | 鹤山市新利电器实业有限公司 | Automatic electric cloth vehicle electricity-saving device |
| CN2822029Y (en) * | 2005-06-15 | 2006-09-27 | 陈晓余 | No-load cut-off power saver for clothes vehicle |
-
2005
- 2005-06-15 CN CNB2005100501792A patent/CN100369343C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2165570Y (en) * | 1993-02-27 | 1994-05-18 | 鹤山县电器技术研究所 | Electricity-saving protector for motor-driven sewing machine |
| CN2548363Y (en) * | 2002-05-08 | 2003-04-30 | 鹤山市新利电器实业有限公司 | Automatic electric cloth vehicle electricity-saving device |
| CN2822029Y (en) * | 2005-06-15 | 2006-09-27 | 陈晓余 | No-load cut-off power saver for clothes vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1710769A (en) | 2005-12-21 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080213 Termination date: 20110615 |