CN204406150U - The integral industrial servo sewing machine automatically controlled input port device of compatible low and high level input - Google Patents
The integral industrial servo sewing machine automatically controlled input port device of compatible low and high level input Download PDFInfo
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- CN204406150U CN204406150U CN201520077173.3U CN201520077173U CN204406150U CN 204406150 U CN204406150 U CN 204406150U CN 201520077173 U CN201520077173 U CN 201520077173U CN 204406150 U CN204406150 U CN 204406150U
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Abstract
The utility model relates to a kind of integral industrial servo sewing machine automatically controlled input port device of compatible low and high level input, the negative electrode of the light emitting diode wherein in optocoupler U1 is connected with one end of resistance R1, anode is connected with the first power end, collector difference one end of contact resistance R2 and one end of resistance R3 simultaneously of the phototriode of optocoupler U1, the other end of resistance R2 is connected with second source end, master controller is connected to the other end of resistance R3, one end of input switch is connected to the other end of resistance R1, the other end of input switch is held with being connected to second source end or power supply, and when connecting input switch, the pressure reduction put between light-emitting diodes tube anode and negative electrode is greater than the forward conduction voltage of this light emitting diode.By adopting said structure, making no matter to be high level or low level, all as effective input signal, can not need to increase any element simultaneously, saving PCB fabric swatch area, convenient for users.
Description
Technical field
The utility model relates to a kind of electric control gear, particularly relates to a kind of integral industrial servo sewing machine automatically controlled input port device of compatible low and high level input.
Background technology
At present, on industrial servo sewing machine is automatically controlled, generally there is the input port of more than 2, for the level of external some switch keys be installed on head of sewing machine is input to automatically controlled in, then automatically controlled according to these incoming levels, control the work of industrial servo sewing machine after carrying out corresponding process, such as press and backstitch switch to what control sewing machine and backstitch function.The input of these switches common are two kinds of connections, is respectively high level effectively and Low level effective.The effective switch connected mode of high level is that input switch side is connected to supply voltage, as+5V, exports+5V level during Closing Switch, and exports as unsettled during switch release; The switch connected mode of Low level effective, is the power supply ground that input switch side is connected to+5V, exports the low level of ground connection during Closing Switch, export as unsettled during switch release.
Existing industrial servo sewing machine is automatically controlled, in order to the effective two kinds of input switches of low and high level of compatible input respectively, need the change carrying out soldered elements in automatically controlled inside, to change automatically controlled internal circuit mode, also there is the automatically controlled inside of part to be provided with jumper, so only need open and automatically controlledly carry out wire jumper.
But, no matter be the change carrying out soldered elements, or carry out wire jumper in automatically controlled inside, all need to open automatically controlled, pcb board is operated.Such Problems existing is: 1) open automatically controlled change low and high level effective model, higher to the requirement of user, needs to read over instructions, and adopts flatiron welding etc., and this is automatically controlled then more complicated for compact integral industrial servo sewing machine; 2) owing to needing the reserved element and the item that are respectively used to low and high level on pcb board, even increase jumper switch, this both increases PCB fabric swatch area, automatically controlled for compact integral industrial servo sewing machine, is difficult to realize.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of integral industrial servo sewing machine automatically controlled input port device of compatible low and high level input, make no matter the input of the switch of its front end is high level or low level, all can as effective input signal, and relative to the circuit of independent high level or Low level effective, do not need to increase any element and cost, thus save the fabric swatch area of PCB, and convenient for users to use.
The technical solution of the utility model is:
A kind of integral industrial servo sewing machine automatically controlled input port device of compatible low and high level input, its input end is connected with input switch, its output terminal is connected with the master controller of ECU (Electrical Control Unit), this device comprises photoelectric coupling switch circuit, described photoelectric coupling switch circuit comprises photoelectrical coupler U1, resistance R1, resistance R2 and resistance R3, the negative electrode of the light emitting diode wherein in photoelectrical coupler U1 is connected with one end of resistance R1, the anode of light emitting diode is connected with the first power end of ECU (Electrical Control Unit), collector difference one end of contact resistance R2 and one end of resistance R3 simultaneously of the phototriode of photoelectrical coupler U1, the other end of resistance R2 is connected with the second source end of ECU (Electrical Control Unit), described master controller is connected to the other end of resistance R3, one end of described input switch is connected to the other end of resistance R1, the other end of input switch is held with being connected to the power supply of described second source end or ECU (Electrical Control Unit), further, when connecting described input switch, the pressure reduction put between the anode of light emitting diode in described photoelectrical coupler U1 and negative electrode is greater than the forward conduction voltage of this light emitting diode.
Above-mentioned integral industrial servo sewing machine automatically controlled input port device, wherein said first power end is the solenoid actuated power end of described ECU (Electrical Control Unit) inside.
Above-mentioned integral industrial servo sewing machine automatically controlled input port device, the voltage of wherein said first power end is+24V ,+27V ,+30V or+32V.
Above-mentioned integral industrial servo sewing machine automatically controlled input port device, the voltage of wherein said second source end is+5V.
Above-mentioned integral industrial servo sewing machine automatically controlled input port device, wherein said photoelectrical coupler U1 adopts precision photoelectric coupler.
Above-mentioned integral industrial servo sewing machine automatically controlled input port device, the resistance of wherein said resistance R1 and resistance R2 calculates according to the transmission ratio of described photoelectrical coupler U1.
The beneficial effects of the utility model are: by adopting above-mentioned photoelectric coupling switch circuit structure, make no matter the input of the switch of its front end is high level or low level, all can as effective input signal, and relative to the circuit of independent high level or Low level effective, do not need to increase any element and cost, thus save the fabric swatch area of PCB, and convenient for users to use.Meanwhile, also make integral industrial servo sewing machine automatically controlled smaller and more exquisite, more intelligent further.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Fig. 1 is electrical block diagram of the present utility model.
Embodiment
The utility model discloses a kind of integral industrial servo sewing machine automatically controlled input port device of compatible low and high level input, as shown in Figure 1, its input end is connected with input switch, its output terminal is connected with the master controller of ECU (Electrical Control Unit), this device comprises photoelectric coupling switch circuit, described photoelectric coupling switch circuit comprises photoelectrical coupler U1, resistance R1, resistance R2 and resistance R3, the negative electrode of the light emitting diode wherein in photoelectrical coupler U1 is connected with one end of resistance R1, the anode of light emitting diode is connected with the first power end of ECU (Electrical Control Unit), collector difference one end of contact resistance R2 and one end of resistance R3 simultaneously of the phototriode of photoelectrical coupler U1, the other end of resistance R2 is connected with the second source end of ECU (Electrical Control Unit), described master controller is connected to the other end of resistance R3, one end of described input switch is connected to the other end of resistance R1, the other end of input switch is held with being connected to the power supply of described second source end or ECU (Electrical Control Unit), further, when connecting described input switch, the pressure reduction put between the anode of light emitting diode in described photoelectrical coupler U1 and negative electrode is greater than the forward conduction voltage of this light emitting diode.
Preferably, above-mentioned integral industrial servo sewing machine automatically controlled input port device, wherein said first power end is the solenoid actuated power end of described ECU (Electrical Control Unit) inside, namely automatically controlled inside existing for drive magnetic and there is the power end of high voltage.Further, the voltage of this first power end can be+24V ,+27V ,+30V or+32V usually.
Preferably, above-mentioned integral industrial servo sewing machine automatically controlled input port device, the voltage of wherein said second source end is+5V.
As further preferred, above-mentioned integral industrial servo sewing machine automatically controlled input port device, wherein said photoelectrical coupler U1 adopts precision photoelectric coupler.In addition, the resistance of wherein said resistance R1 and resistance R2 calculates according to the transmission ratio of described photoelectrical coupler U1, and in order to realize keyswitch when input high level or low level, described photoelectrical coupler U1 all conducting also can export useful signal completely.
Below in conjunction with a specific embodiment, principle of work of the present utility model is described.As shown in Figure 1, now, the voltage of the first power end (vdd terminal) is+30V, and the voltage of second source end (VCC end) is+5V.When input switch (as keyswitch) be input as high level effective time, now input automatically controlled input port+5V voltage by keyswitch, because+30V the voltage of VDD is far above+5V, pressure reduction is+25V, the now complete conducting of photoelectrical coupler U1, thus export useful signal at 4 pin of photoelectrical coupler U1, enter master controller MCU through resistance R3; When external keyswitch is input as Low level effective, when switch is pressed, automatically controlled input port is ground connection, and because VDD is+30V, now electric current is through the 1 pin input of photoelectrical coupler U1, flow out from 2 pin of photoelectrical coupler U1, flow into through resistance R1 in power supply ground that keyswitch connects.Photoelectrical coupler U1 is complete conducting under this electric current, thus exports useful signal at 4 pin of photoelectrical coupler U1, enters master controller MCU through resistance R3.
Described on end, by adopting above-mentioned photoelectric coupling switch circuit structure, make no matter the input of the switch of its front end is high level or low level, all can as effective input signal, and relative to the circuit of independent high level or Low level effective, do not need to increase any element and cost, thus save the fabric swatch area of PCB, and convenient for users to use.Meanwhile, also make integral industrial servo sewing machine automatically controlled smaller and more exquisite, more intelligent further.
The foregoing is only the utility model preferred embodiment; not thereby embodiment of the present utility model and protection domain is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilization the utility model instructionss and diagramatic content and apparent change obtain in protection domain of the present utility model.
Claims (6)
1. the integral industrial servo sewing machine automatically controlled input port device of a compatible low and high level input, its input end is connected with input switch, its output terminal is connected with the master controller of ECU (Electrical Control Unit), it is characterized in that: comprise photoelectric coupling switch circuit, described photoelectric coupling switch circuit comprises photoelectrical coupler U1, resistance R1, resistance R2 and resistance R3, the negative electrode of the light emitting diode wherein in photoelectrical coupler U1 is connected with one end of resistance R1, the anode of light emitting diode is connected with the first power end of ECU (Electrical Control Unit), collector difference one end of contact resistance R2 and one end of resistance R3 simultaneously of the phototriode of photoelectrical coupler U1, the other end of resistance R2 is connected with the second source end of ECU (Electrical Control Unit), described master controller is connected to the other end of resistance R3, one end of described input switch is connected to the other end of resistance R1, the other end of input switch is held with being connected to the power supply of described second source end or ECU (Electrical Control Unit), further, when connecting described input switch, the pressure reduction put between the anode of light emitting diode in described photoelectrical coupler U1 and negative electrode is greater than the forward conduction voltage of this light emitting diode.
2. the automatically controlled input port of integral industrial servo sewing machine as claimed in claim 1 device, is characterized in that: described first power end is the solenoid actuated power end of described ECU (Electrical Control Unit) inside.
3. the automatically controlled input port of integral industrial servo sewing machine as claimed in claim 1 or 2 device, is characterized in that: the voltage of described first power end is+24V ,+27V ,+30V or+32V.
4. the automatically controlled input port of integral industrial servo sewing machine as claimed in claim 3 device, is characterized in that: the voltage of described second source end is+5V.
5. the automatically controlled input port of integral industrial servo sewing machine as claimed in claim 1 or 2 device, is characterized in that: described photoelectrical coupler U1 adopts precision photoelectric coupler.
6. the automatically controlled input port of integral industrial servo sewing machine as claimed in claim 5 device, is characterized in that: the resistance of described resistance R1 and resistance R2 calculates according to the transmission ratio of described photoelectrical coupler U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520077173.3U CN204406150U (en) | 2015-02-03 | 2015-02-03 | The integral industrial servo sewing machine automatically controlled input port device of compatible low and high level input |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520077173.3U CN204406150U (en) | 2015-02-03 | 2015-02-03 | The integral industrial servo sewing machine automatically controlled input port device of compatible low and high level input |
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| CN204406150U true CN204406150U (en) | 2015-06-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958991A (en) * | 2016-04-29 | 2016-09-21 | 芜湖莫森泰克汽车科技股份有限公司 | Sunroof controller high-low level key signal general interface circuit |
| CN110119109A (en) * | 2019-04-10 | 2019-08-13 | 汉腾汽车有限公司 | A kind of high effectively low effective compatible type input circuit of automobile controller |
-
2015
- 2015-02-03 CN CN201520077173.3U patent/CN204406150U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958991A (en) * | 2016-04-29 | 2016-09-21 | 芜湖莫森泰克汽车科技股份有限公司 | Sunroof controller high-low level key signal general interface circuit |
| CN110119109A (en) * | 2019-04-10 | 2019-08-13 | 汉腾汽车有限公司 | A kind of high effectively low effective compatible type input circuit of automobile controller |
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