CN203840244U - Driving mechanism for electric riveting gun - Google Patents
Driving mechanism for electric riveting gun Download PDFInfo
- Publication number
- CN203840244U CN203840244U CN201420257612.4U CN201420257612U CN203840244U CN 203840244 U CN203840244 U CN 203840244U CN 201420257612 U CN201420257612 U CN 201420257612U CN 203840244 U CN203840244 U CN 203840244U
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Abstract
The utility model discloses a driving mechanism for an electric riveting gun. The driving mechanism is composed of a power supply circuit, a logic circuit, a control circuit and an operation circuit; a 220V alternating current is converted into a direct current voltage-stabilized power supply through the power supply circuit after rectification, voltage reduction and voltage stabilization firstly, the direct current voltage-stabilized power supply is supplied to the logic circuit and the control circuit for working, the logic module controls on-off of photoelectric couplers in the control module, the photoelectric couplers control on-off of gate poles of bidirectional silicon controlled rectifiers, and then on-off of the bidirectional silicon controlled rectifiers is controlled. Positive and negative phase connections of an alternating current motor and an alternating current can be achieved through two-two on-off of the four bidirectional silicon controlled rectifiers, and then positive rotation and negative rotation of the alternating current motor are realized through driving of the alternating current.
Description
Technical field
The utility model relates to Motor Control Field, is specifically related to a kind of driving mechanism for electric riveting gun.
Background technology
Motor driven systems is the core in electric riveting gun, the performance of electric riveting gun depends primarily on type and the performance of motor driven systems, in actual production, electric riveting gun generally adopts direct current machine to drive, but direct current machine commutation difficulty, when use, easily produce spark, life-span is short, need to often safeguard, volume is large simultaneously, manufacturing price is high, and these have brought numerous difficult problems all virtually to the manufacturing of electric riveting gun.
Moreover, electric riveting gun needs to have one rivet is expanded in use, then rivet tightly, finally break the course of work of rivet, and this process need electric riveting gun, transfer realization by the automatically positive and negative frequently of motor, it is very difficult that but direct current machine is realized commutation, need complicated circuit structure could realize the commutation of direct current machine, no matter be produce or use, this is all very inconvenient.
Utility model content
Technical problem to be solved in the utility model is that propose for the above-mentioned state of the art a kind of utilizes photoelectrical coupler precisely, promptly to control cut-offfing that bidirectional triode thyristor exchanges, so realized control alternating current machine rotating simple in structurely for the driving mechanism of electric riveting gun.
A kind of driving mechanism for electric riveting gun, include power circuit, logical circuit, control circuit and operation circuit, described logical circuit and control circuit are all electrically connected with power circuit, described control circuit is electrically connected with logical circuit, described operation circuit is electrically connected with control circuit, described operation circuit includes four control circuits and alternating current machine, described control circuit includes bidirectional triode thyristor, electric capacity and resistance, described resistance and the electric capacity filter circuit that is electrically connected to form, described bidirectional triode thyristor is in parallel with filter circuit, control circuit described in four and alternating current machine form H bridge type loop.Described control circuit includes four photoelectrical couplers, and the photoelectrical coupler described in four is electrically connected with the gate pole of the bidirectional triode thyristor described in four respectively.
Adopt above-mentioned design, the utility model is by power circuit, logical circuit, control circuit and operation the electric circuit constitute, wherein by 220V alternating current through over commutation, step-down and voltage stabilizing are converted into D.C. regulated power supply, supply with logical circuit and control circuit work, logical circuit is exported low flat pulse voltage, cut-offfing of the light-emitting diode of control photoelectrical coupler, simultaneously, light-emitting diode conducting meeting is the light-sensitive device conducting of photoelectrical coupler the pulse signal of gate pole to bidirectional triode thyristor, can make bidirectional triode thyristor conducting, according to the connected mode of four bidirectional triode thyristors and alternating current machine, the conducting that realizes bidirectional triode thyristor just can be controlled the rotating of alternating current machine, reach the object of controlling alternating current machine rotating.
As setting of the present utility model, described logical circuit includes PIC single-chip microcomputer, described PIC single-chip microcomputer is provided with the first pin and the second pin, described the first pin is connected with control circuit respectively with the second pin, and described control circuit also includes two positive-negative-positive triodes that cut-off for the photoelectrical coupler of controlling described in four.
Adopt above-mentioned design,
When the first pin is exported low ordinary telegram and pressed, low ordinary telegram is pressed and is made the second triode conducting, makes first, the 4th coupler conducting, so make first, the 4th bidirectional triode thyristor conducting, realize the rotation of alternating current machine,
When the second pin is exported low ordinary telegram pressure, low ordinary telegram is pressed and is made the first triode conducting, makes second, third coupler conducting, and then makes second, third bidirectional triode thyristor conducting, realizes the rotation in another direction of alternating current machine.
As setting of the present utility model, the output of described power circuit is stabilized voltage power supply, described control circuit includes four divider resistances that are connected between stabilized voltage power supply and photoelectrical coupler, described photoelectrical coupler is respectively first to fourth photoelectrical coupler, positive-negative-positive triode described in two includes the first positive-negative-positive triode and the second positive-negative-positive triode, described first, the 4th photoelectrical coupler is connected with the emitter of the first positive-negative-positive triode with respect to one end of stabilized voltage power supply, the base stage of described the first positive-negative-positive triode is connected with the first pin, the grounded collector of described the first positive-negative-positive, described first, four-function is connected with the second pin with respect to the other end of stabilized voltage power supply in the driving mechanism of electric riveting gun, described second, the 3rd photoelectrical coupler is connected with the emitter of the second positive-negative-positive triode with respect to one end of stabilized voltage power supply, the base stage of described the second positive-negative-positive triode is connected with the second pin, the grounded collector of described the second positive-negative-positive, described second, the 3rd photoelectrical coupler is connected with the first pin with respect to the other end of stabilized voltage power supply.
Adopt above-mentioned design, this programme by having designed a control unit in control circuit, when electric riveter switches on power, in the time of standby, the first pin and the second pin are respectively by load resistance and be connected stabilized voltage power supply, make the first pin and the second pin in high level, now divider resistance has certain voltage drop, the light-emitting diode cathode voltage of photoelectrical coupler will be not more than its cathode voltage, now photoelectrical coupler can conducting, motor can not be worked, in the time of needs machine operation, give pulse signal of PIC single-chip microcomputer, the first pin and the second pin start alternation, a now low level of the first pin output, first, the cathode voltage of the 4th light-emitting diode is greater than the cathode voltage of light-emitting diode, the light-emitting diode conducting of photoelectrical coupler, work produces illumination, the light-sensitive element of photoelectrical coupler is subject to illumination conducting, first, the gate pole of the 4th bidirectional triode thyristor obtains a pulse signal, first, the 4th bidirectional triode thyristor conducting, alternating current machine is connected AC power and is rotated, after a period of time, the first pin reverts to high level, second draws a low level of output, corresponding second, the 3rd bidirectional triode thyristor conducting, the anti-phase connection AC power of alternating current machine rotates backward, by PIC single-chip microcomputer logic control alternating current machine just realize, counter-rotational overall process.
As setting of the present utility model, described power circuit comprises rectification circuit, VIPER12A and integrated regulator, and described rectification circuit is electrically connected with VIPER12A, and described integrated regulator is electrically connected with VIPER12A.
Adopt above-mentioned design, external commercial power of the present utility model is 220V alternating current, be 22V direct current by a rectification circuit by 220V AC rectification, direct current is by integrated Special electric streaming PWM controller and the high-voltage power field effect MOS transistor of VIPER12A, be 12V direct current by the step-down of 220V direct current, 12V direct current can be used as stabilized voltage power supply output after integrated regulator, for working power being provided to PIC single-chip microcomputer, provides stabilized voltage power supply to control circuit simultaneously.
As setting of the present utility model, described rectification circuit includes rectifier diode, filter capacitor, inductance and resistance, rectifier diode respectively inductance is connected with filter capacitor, described inductance and Capacitance parallel connection, described filter capacitor is with respect to the other end ground connection of rectifier diode, and described inductance is connected with VIPER12A with electric capacity.
Adopt above-mentioned design, rectifier diode in rectification circuit, be 220V direct current by 220V AC rectification, alternating current need to be converted in galvanic circuit all, filter capacitor is set can make the service behaviour of electronic circuit more stable, also reduced the interference of alternation pulse ripple to electronic circuit simultaneously, resistance and inductance in parallel, power driving circuit is in the time switching on power or turn-off, inductance can produce a back electromotive force, resistance reduce inverse electromotive force, time ensured that electric current can not suddenly change, and be conducive to conduction.
Compared with prior art, the utility model has reached the conducting of controlling bidirectional triode thyristor to the control of photoelectrical coupler in control circuit by PIC single-chip microcomputer, further control the object of alternating current machine rotating, solution effectively electric riveter need the difficult problem of rotating work, and direct current machine volume is large, price is high, commutation is difficult, and be not suitable for electric riveter, while photoelectrical coupler will be inputted, output signal electrical isolation, anti-interference strong, working stability, efficiency of transmission are high, have effectively ensured alternating current machine operation orderly carrying out working properly.
Brief description of the drawings
Fig. 1 is the workflow diagram in the utility model embodiment;
Fig. 2 is the power circuit circuit diagram in the utility model embodiment;
Fig. 3 is the control circuit circuit diagram in the utility model embodiment;
Fig. 4 is the logical circuit circuit diagram in the utility model embodiment;
Fig. 5 is the operation circuit figure in the utility model embodiment.
Reference numeral: 10, power circuit; 20, logical circuit; 30, control circuit; 40, operation circuit.
Embodiment
Below in conjunction with accompanying drawing embodiment, a kind of driving mechanism for electric riveting gun of the present utility model is further described.
As shown in Figure 1, the utility model provides a kind of driving mechanism for electric riveting gun
, comprise power circuit 10, for by 220V AC power, rectification, step-down, the stabilized voltage power supply that voltage stabilizing is 5V, for providing working power to drive circuit; Logical circuit 20 is PIC single-chip microcomputer, and in the present embodiment, concrete model is PIC12C508, and for logic control, its pin GP0 and GP1 output pulse signal, control the rotating of alternating current machine; The control circuit 30 being connected with power circuit and logical circuit respectively, it includes four photoelectrical coupler MOC3025, for alternating current machine is carried out to electrical isolation, improves circuit anti-interference ability, by cut-offfing of MOC3025, controls the operation of alternating current machine; The operation circuit 40 being connected with control circuit 30 includes four bidirectional triode thyristors, and alternating current machine, bidirectional triode thyristor and alternating current machine composition H bridge circuit, bidirectional triode thyristor bag is provided with gate pole, gate pole is connected with the photoelectrical coupler in control circuit 30, by photoelectrical coupler cut-off control, the conducting order of four bidirectional triode thyristors.
Concrete, below in conjunction with accompanying drawing 2-5, the concrete structure of the power circuit 10 in the utility model, logical circuit 20, control circuit 30, operation circuit 40 is further described
As shown in Figure 2, power circuit 10 includes 2 fuses (F1 and F2), 5 resistance (R1 to R4), 7 electric capacity (C1 to C7), 2 inductance (L1 to L2), 3 diodes (D1 to D3), wherein fuse (F1, F2) respectively with the 220VN of 220 AC power, 220VL connects, fuse (F1) is with respect to the other end ground connection of 220VN, resistance (R1) is piezo-resistance (R1), piezo-resistance (1) one end ground connection, one end is connected with respect to the other end of 220VL with fuse (F1), resistance (R2) is connected with piezo-resistance (R1), described diode (D1) anode is connected with resistance (R2), diode (D1) negative electrode respectively with filter capacitor (C1), inductance (L1) is connected with resistance (R5), the minus earth of filter capacitor (C1), inductance (L1) is in parallel with resistance (R5), the anode of filter capacitor (C2) is connected with inductance (L1), , the minus earth of filter capacitor (C2), power circuit 10 also includes VIPER12A(1 to 8 pin) and 7805 integrated stable voltage circuits, the anode of diode (C2) is connected with 5 to 8 pins of VIPER12A, 1 of VIPER12A, 2 pin short circuits, the anode of filter capacitor (C3) is connected with 3 pins, the negative electrode of filter capacitor (C3) is connected with 1 pin, the anode of filter capacitor (C4) is connected with 4 pins, the negative electrode of filter capacitor (C3) is connected with 1 pin, voltage stabilizing didoe (D3) anode is connected with 3 pins, the negative electrode of voltage stabilizing didoe (D3) is connected with 4 pins, the negative electrode of diode (D2) is connected with 4 pins, anode is connected with the input of 7805 integrated stable voltage circuits, 1 pin of VIPER12A is connected with inductance (L2), inductance (L2) with respect to the other end of 1 pin respectively with the anode of diode (D2) and the anodic bonding of filter capacitor (C5), the minus earth of filter capacitor (C5), the output of 7805 integrated stable voltage circuits is connected with anode and the electric capacity (C7) of filter capacitor (C6) respectively, the negative electrode of filter capacitor (C6) and electric capacity (C7) ground connection.
In above-mentioned power circuit 10, 220 AC power, be 220V DC power supply through diode (D1) rectification, inductance (L1) is in parallel with resistance (R5), prevent that circuit from cut-offfing, current break, filtering, filter capacitor (C1, C2) can make the service behaviour of electronic circuit more stable, also reduced the interference of alternation pulse ripple to electronic circuit simultaneously, wherein VIPER12A by the 220V DC power supply after rectification by interior special electric current PWM modulator and the field effect transistor of establishing, be 12V direct current by the step-down of 220V direct current, after 12V direct current, the D.C. regulated power supply that through 7805 integrated stable voltage circuits, 12V direct current is converted to 5V is again as output, for providing working power to PIC single-chip microcomputer, provide 5V D.C. regulated power supply to control circuit simultaneously.
As shown in Figure 3, logical circuit 20, include PIC12C508 and 2 electric capacity (C8, C9), PIC12C508 has 8 pins, wherein pin (1) is connected with electric capacity (C9) with the anode of electric capacity (C8) respectively, and be connected with the 5V D.C. regulated power supply of the output of power circuit 10, the negative electrode of pin (8), filter capacitor (C8) and electric capacity (C9) is ground connection all.
Above-mentioned logical circuit 20, wherein pin (1) is connected 5V D.C. regulated power supply with pin (8), power to PIC, pin (7,6) is as output port, and pin (5) is as counter external signal input, and pin (4) is as reset terminal, pin (3) is as LED display lamp, the input of pin (2) ground connection, logical circuit 20 pins (7,6) are controlled output control signal, control motor positive and inverse moving.
As shown in Figure 4, control circuit 30 includes 10 resistance (R6 to R15), be MOC3205 and two positive-negative-positive triode (Q1 with 4 photoelectrical couplers (M1 to M4) model, Q2) model is 8550, wherein resistance (R7) is connected with PIC pin (7), resistance (R6) is connected with pin (6), resistance (R6, R7) be connected with the 5V D.C. regulated power supply of power circuit 10 outputs respectively, be connected with resistance (R8 to R11) simultaneously, resistance (R8 to R11) respectively with photoelectrical coupler (M1 to M4) in the anodic bonding of the diode of giving out light, photoelectrical coupler (M1, M2) negative electrode is connected with pin (6), photoelectrical coupler (M3, M4) negative electrode is connected with pin (7).The base stage of triode (Q1) is connected with pin (7), the anodic bonding of its emitter and photoelectrical coupler (M1, M2), its grounded collector; The base stage of triode (Q2) is connected with pin (6), the anodic bonding of its emitter and photoelectrical coupler (M3, M4), its grounded collector.The conducting of the gate pole of four bidirectional triode thyristors in the photosensitive bidirectional diode difference controlling run circuit 40 of photoelectrical coupler (M1 to M4), and then control motor traffic direction.
Above-mentioned control circuit 30, realized in the time that pin (6) or pin (7) have low level pulse signal, the light-emitting diode of corresponding photoelectrical coupler (M1, M4 or M2, M3) can conducting, sends illumination, make light-sensitive device conducting, and then make corresponding bidirectional triode thyristor conducting.
As shown in Figure 5, operation circuit 40 includes 4 resistance (R16-R19), 4 electric capacity (C10 to C13), 4 bidirectional triode thyristors (S1 to S4), 2 inductance (L3 to L4), alternating current machine, inductance (L3, L4) connect with 220VL and 220VN respectively, resistance (R16, R17) be connected corresponding to the other end of 220VN with inductance (L4) respectively, resistance (R18, R19) be connected corresponding to the other end of 220VL with inductance (L3) respectively, electric capacity (C9 to C12) respectively with resistance (R16 to R19) with respect to inductance (L3, L4) the other end connects, electric capacity (C9 to C12) is connected with alternating current machine respectively, bidirectional triode thyristor (S1, S4) one end respectively with inductance (L4, L3) connect, the other end of bidirectional triode thyristor (S1) is connected with alternating current machine is anodal, the other end of bidirectional triode thyristor (S4) is connected with the negative pole of alternating current machine, bidirectional triode thyristor (S2, S3) one end respectively with inductance (L4, L3) connect, the other end of bidirectional triode thyristor (S3) is connected with alternating current machine is anodal, the other end of bidirectional triode thyristor (S2) is connected with the negative pole of alternating current machine, the gate pole of bidirectional triode thyristor (S1 to S4) is connected with the two-way photodiode of photoelectrical coupler (M1 to M4) respectively.
Above-mentioned operation circuit (40), by the mode of connection of above bidirectional triode thyristor (S1 to S4), be combined into a H bridge type alternating current machine commutation drive circuit, by controlling the conducting situation of bidirectional triode thyristor (S1, S4 and S2, S3), control the rotating of alternating current machine, in the time that bidirectional triode thyristor (S1, S4) is connected, alternating current machine forward, when bidirectional triode thyristor (S2, S3) is connected, alternating current machine reversion.Realize, driven the work object of alternating current machine rotating by 220V alternating current.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. for a driving mechanism for electric riveting gun, include power circuit, logical circuit, control circuit and operation circuit,
Described logical circuit and control circuit are all electrically connected with power circuit, and described control circuit is electrically connected with logical circuit, and described operation circuit is electrically connected with control circuit,
It is characterized in that:
Described operation circuit includes four control circuits and alternating current machine, described control circuit includes bidirectional triode thyristor, electric capacity and resistance, described resistance and the electric capacity filter circuit that is electrically connected to form, described bidirectional triode thyristor is in parallel with filter circuit, control circuit described in four and alternating current machine form H bridge type loop
?described control circuit includes four photoelectrical couplers, and the photoelectrical coupler described in four is electrically connected with the gate pole of the bidirectional triode thyristor described in four respectively.
2. the driving mechanism for electric riveting gun according to claim 1, it is characterized in that: described logical circuit includes PIC single-chip microcomputer, described PIC single-chip microcomputer is provided with the first pin and the second pin, described the first pin is connected with control circuit respectively with the second pin, and described control circuit also includes two positive-negative-positive triodes that cut-off for the photoelectrical coupler of controlling described in four.
3. the driving mechanism for electric riveting gun according to claim 2, it is characterized in that: the output of described power circuit is stabilized voltage power supply, described control circuit includes four divider resistances that are connected between stabilized voltage power supply and photoelectrical coupler, described photoelectrical coupler is respectively first to fourth photoelectrical coupler, described positive-negative-positive triode is the first positive-negative-positive triode and the second positive-negative-positive triode, described first, the 4th photoelectrical coupler is connected with the emitter of the first positive-negative-positive triode with respect to one end of stabilized voltage power supply, the base stage of described the first positive-negative-positive triode is connected with the first pin, the grounded collector of described the first positive-negative-positive, described first, four-function is connected with the second pin with respect to the other end of stabilized voltage power supply in the driving mechanism of electric riveting gun, described second, the 3rd photoelectrical coupler is connected with the emitter of the second positive-negative-positive triode with respect to one end of stabilized voltage power supply, the base stage of described the second positive-negative-positive triode is connected with the second pin, the grounded collector of described the second positive-negative-positive, described second, the 3rd photoelectrical coupler is connected with the first pin with respect to the other end of stabilized voltage power supply.
4. the driving mechanism for electric riveting gun according to claim 3, it is characterized in that: described power circuit comprises rectification circuit, VIPER12A and integrated regulator, described rectification circuit is electrically connected with VIPER12A, and described integrated regulator is electrically connected with VIPER12A.
5. the driving mechanism for electric riveting gun according to claim 4, it is characterized in that: described rectification circuit includes rectifier diode, filter capacitor, inductance and resistance, described rectifier diode respectively inductance is connected with filter capacitor, described inductance is in parallel with filter capacitor, described filter capacitor is with respect to the other end ground connection of rectifier diode, and described inductance is connected with VIPER12A with electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257612.4U CN203840244U (en) | 2014-05-20 | 2014-05-20 | Driving mechanism for electric riveting gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257612.4U CN203840244U (en) | 2014-05-20 | 2014-05-20 | Driving mechanism for electric riveting gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203840244U true CN203840244U (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420257612.4U Expired - Fee Related CN203840244U (en) | 2014-05-20 | 2014-05-20 | Driving mechanism for electric riveting gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203840244U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467269A (en) * | 2015-11-23 | 2016-04-06 | 中国南方电网有限责任公司超高压输电公司贵阳局 | System and method for ground wire ice-melting fault localization of power transmission line |
| CN108521241A (en) * | 2018-04-28 | 2018-09-11 | 常州电子研究所有限公司 | Switching mechanism driving circuit and its driving method |
-
2014
- 2014-05-20 CN CN201420257612.4U patent/CN203840244U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467269A (en) * | 2015-11-23 | 2016-04-06 | 中国南方电网有限责任公司超高压输电公司贵阳局 | System and method for ground wire ice-melting fault localization of power transmission line |
| CN108521241A (en) * | 2018-04-28 | 2018-09-11 | 常州电子研究所有限公司 | Switching mechanism driving circuit and its driving method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20160520 |