CN104333270A - Brake module of electric actuator - Google Patents
Brake module of electric actuator Download PDFInfo
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- CN104333270A CN104333270A CN201410649345.XA CN201410649345A CN104333270A CN 104333270 A CN104333270 A CN 104333270A CN 201410649345 A CN201410649345 A CN 201410649345A CN 104333270 A CN104333270 A CN 104333270A
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- circuit unit
- controllable silicon
- electric actuator
- positive pole
- brake module
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Abstract
The invention provides a brake module of an electric actuator. The brake module of the electric actuator comprises a three phase solid state signal module, a three phase motor and a brake circuit, wherein the brake circuit comprises a charging circuit unit, a discharging circuit unit and a malfunction repair circuit unit, the charging circuit unit comprises a charging loop, the charging loop is formed by connecting an input terminal sequentially with a current limiting resistor R1, a positive pole of a charging diode D1, a positive pole of a capacitor C1 and an output terminal in series, a cathode of a silicon controlled rectifier Q1 and a anode of a silicon controlled rectifier Q2 are respectively connected with the positive pole of the capacitor C1 and the input terminal after a anode of the silicon controlled rectifier Q1 and a cathode of the silicon controlled rectifier Q2 of the discharging circuit unit are connected in series, the malfunction repair circuit unit comprises optical couplers U1 and optical couplers U2, each optical coupler U1 and each optical coupler U2 are connected with two ends of each of the silicon controlled rectifier Q1 and the silicon controlled rectifier Q2 in parallel. The brake module of the electric actuator has the advantages of being suitable for using three phase solid state signals to drive a motor, achieving a malfunction repair function, and being low in energy consumption due to the fact that only two brake terminals are used.
Description
Technical field
The invention belongs to the regulating and controlling field of motor, especially relate to a kind of brake module of electric actuator.
Background technology
In daily industrial production, electric actuator is a kind of drive unit that can provide straight line or rotary motion, utilizes certain drive energy and works under certain control signal effect.Electric controller uses liquid, gas, electric power or other the energy and converts it into driving effect by motor, cylinder or other devices.Motor is absolutely necessary one of equipment in electric actuator.
Chinese Patent Application No. is the brake module that the utility model patent of 201220513367.X discloses a kind of three phase electric machine, using the closed of switch contact and release as the control signal of brake module charging and discharging in this patent, this brake module is provided with three terminals and can not be applicable to carry out drive motors with three-phase solid signaling module using contactor as the circuit of control signal, three-phase solid signaling module has good isolation effect, without the need to contact electronic switch, compliance logic circuit and mechanical contact energy consumption lower, so need the brake module that development is applicable to come with three-phase solid signaling module drive motors badly.
Innovation and creation content
The problem to be solved in the present invention was to provide one and is applicable to carry out drive motors with three-phase solid signaling module, had troublshooting function, only used two braking terminals and the lower brake module of energy consumption.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of brake module of electric actuator, comprise three-phase solid signaling module, three phase electric machine and braking circuit, described braking circuit comprises charging circuit unit, discharge circuit unit and troublshooting circuit unit, described charging circuit unit comprises charge circuit, described charge circuit by input terminal successively with current-limiting resistance R1, the positive pole of charging diode D1, positive pole and the lead-out terminal of electric capacity C1 are composed in series, after the negative electrode of the controllable silicon Q1 of described discharge circuit unit and the anode of controllable silicon Q2 are connected in series mutually, the anode of described controllable silicon Q1 is connected the positive pole of described electric capacity C1 and described input terminal more respectively with the negative electrode of described controllable silicon Q2, described troublshooting circuit unit comprises the optocoupler U1 and optocoupler U2 that are attempted by described controllable silicon Q1 and described controllable silicon Q2 two ends respectively.
Further, described charging circuit unit also comprises operation instruction loop, after the negative pole of the light-emitting diode L1 in described operation instruction loop and divider resistance R2 connect, the positive pole of described light-emitting diode L1 is connected to the positive pole of described electric capacity C1, and described divider resistance R2 is connected to described lead-out terminal.
Further, between the anode of described controllable silicon Q1 and the input of described optocoupler U1, be connected in series divider resistance R3, between the negative electrode of described controllable silicon Q2 and the output of described optocoupler U2, be connected in series divider resistance R4.
Further, described current-limiting resistance R1 is cement resistor.
Further, described controllable silicon Q1 and described controllable silicon Q2 is one-way SCR.
Further, outer enclosure adopts embedding module shaping.
The advantage that the present invention has and good effect are: adopt technique scheme, and during starting of three phases motor, the charging circuit unit of braking circuit is charged to charging diode D1 and electric capacity C1 successively by input terminal, and the light-emitting diode L1 running instruction loop lights; Accept brake control signal by braking circuit, the controllable silicon Q1 of discharge circuit unit and controllable silicon Q2 conducting, electric capacity C1 is rapidly to three phase electric machine electric discharge by lead-out terminal, and light-emitting diode L1 extinguishes simultaneously, and three phase electric machine braking stops; In the process of the charging and discharging of electric capacity C1, current-limiting resistance R1 provides dividing potential drop to protect for charging diode D1 and electric capacity C1, and current-limiting resistance R1 is cement resistor, more effectively can reduces the failure rate of charging diode D1 and electric capacity C1, avoid regular maintenance; In the process of the charging and discharging of electric capacity C1, only only used input terminal and lead-out terminal two braking terminal, achieve and use three-phase solid signaling module to carry out drive motors, the energy consumption expended is lower; Optocoupler U1 and the optocoupler U2 of troublshooting circuit unit achieve and to be become with the transform electrical signals at controllable silicon Q2 two ends by controllable silicon Q1 in electric capacity C1 discharge process light signal to change into brake fault again to report signal for repairment and export, finally report by for the brake fault exported the failure condition that signal monitoring analysis just can judge controllable silicon Q1 and controllable silicon Q2 for repairment, thus implement safeguard measure in time; Outer enclosure adopts embedding module shaping, sound construction, simple installation.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of braking circuit of the present invention;
Fig. 2 is circuit theory diagrams of the present invention.
In figure:
1, braking circuit; 2, three phase electric machine; 3, three-phase solid signaling module;
11, charging circuit unit; 12, discharge circuit unit; 13, troublshooting circuit unit;
111, charge circuit; 112, instruction loop is run; 1111, input terminal;
1112, lead-out terminal.
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
As Fig. 1, shown in 2, the invention provides a kind of brake module of electric actuator, comprise three-phase solid signaling module 3, three phase electric machine 2 and braking circuit 1, described braking circuit 1 comprises charging circuit unit 11, discharge circuit unit 12 and troublshooting circuit unit 13, described charging circuit unit 11 comprises charge circuit 111, described charge circuit 111 by input terminal 1111 successively with current-limiting resistance R1, the positive pole of charging diode D1, positive pole and the lead-out terminal 1112 of electric capacity C1 are composed in series, after the negative electrode of the controllable silicon Q1 of described discharge circuit unit 12 and the anode of controllable silicon Q2 are connected in series mutually, the anode of described controllable silicon Q1 is connected positive pole and the described input terminal 1111 of described electric capacity C1 more respectively with the negative electrode of described controllable silicon Q2, described troublshooting circuit unit 13 comprises the optocoupler U1 and optocoupler U2 that are attempted by described controllable silicon Q1 and described controllable silicon Q2 two ends respectively.
Described charging circuit unit 11 also comprises operation instruction loop 112, after the negative pole of the light-emitting diode L1 in described operation instruction loop 112 and divider resistance R2 connect, the positive pole of described light-emitting diode L1 is connected to the positive pole of described electric capacity C1, and described divider resistance R2 is connected to described lead-out terminal 1112.
Be connected in series divider resistance R3 between the anode of described controllable silicon Q1 and the input of described optocoupler U1, between the negative electrode of described controllable silicon Q2 and the output of described optocoupler U2, be connected in series divider resistance R4.
Described current-limiting resistance R1 is cement resistor.
Described controllable silicon Q1 and described controllable silicon Q2 is one-way SCR.
Outer enclosure adopts embedding module shaping.
The course of work of this example: the input terminal 1111 of the charging circuit unit 11 of braking circuit 1 is connected to the intermediate contact V of three-phase solid signaling module 3 end opening and three phase electric machine 2 head end, and lead-out terminal 1112 is connected to the tail end of three phase electric machine 2; When three-phase solid signaling module 3 accepts the conducting of rotating control signal, when three phase electric machine 2 starts, the charge circuit 111 of the charging circuit unit 11 of braking circuit 1 is charged to charging diode D1 and electric capacity C1 successively by input terminal 1111, and the light-emitting diode L1 running instruction loop 112 lights; When rotating control signal is cancelled, three-phase solid signaling module 3 ends, brake control signal is accepted by braking circuit 1, the controllable silicon Q1 of discharge circuit unit 12 and controllable silicon Q2 conducting, electric capacity C1 is rapidly to three phase electric machine 2 by lead-out terminal 1112 and discharges, light-emitting diode L1 extinguishes simultaneously, and three phase electric machine 2 is braked and stopped; When controllable silicon Q1 and controllable silicon Q2 wherein one damage time, can detect that brake fault reports signal for repairment by optocoupler U1 and optocoupler U2, export brake fault by troublshooting circuit unit 13 and report signal for repairment, thus take safeguard measure.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (6)
1. the brake module of an electric actuator, it is characterized in that: comprise three-phase solid signaling module, three phase electric machine and braking circuit, described braking circuit comprises charging circuit unit, discharge circuit unit and troublshooting circuit unit, described charging circuit unit comprises charge circuit, described charge circuit by input terminal successively with current-limiting resistance (R1), the positive pole of charging diode (D1), positive pole and the lead-out terminal of electric capacity (C1) are composed in series, after the negative electrode of the controllable silicon (Q1) of described discharge circuit unit and the anode of controllable silicon (Q2) are connected in series mutually, the anode of described controllable silicon (Q1) is connected the positive pole of described electric capacity (C1) and described input terminal more respectively with the negative electrode of described controllable silicon (Q2), described troublshooting circuit unit comprises the optocoupler (U1) and optocoupler (U2) that are attempted by described controllable silicon (Q1) and described controllable silicon (Q2) two ends respectively.
2. the brake module of electric actuator according to claim 1, it is characterized in that: described charging circuit unit also comprises operation instruction loop, after the negative pole of the light-emitting diode (L1) in described operation instruction loop and divider resistance (R2) are connected, the positive pole of described light-emitting diode (L1) is connected to the positive pole of described electric capacity (C1), and described divider resistance (R2) is connected to described lead-out terminal.
3. the brake module of electric actuator according to claim 1, it is characterized in that: between the anode of described controllable silicon (Q1) and the input of described optocoupler (U1), be connected in series divider resistance (R3), between the negative electrode of described controllable silicon (Q2) and the output of described optocoupler (U2), be connected in series divider resistance (R4).
4. the brake module of electric actuator according to claim 1, is characterized in that: described current-limiting resistance (R1) is cement resistor.
5. the brake module of electric actuator according to claim 1, is characterized in that: described controllable silicon (Q1) and described controllable silicon (Q2) are one-way SCR.
6. the brake module of electric actuator according to claim 1, is characterized in that: outer enclosure adopts embedding module shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410649345.XA CN104333270A (en) | 2014-11-14 | 2014-11-14 | Brake module of electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410649345.XA CN104333270A (en) | 2014-11-14 | 2014-11-14 | Brake module of electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104333270A true CN104333270A (en) | 2015-02-04 |
Family
ID=52407941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410649345.XA Pending CN104333270A (en) | 2014-11-14 | 2014-11-14 | Brake module of electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104333270A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836483A (en) * | 2015-05-29 | 2015-08-12 | 天津市津达执行器有限公司 | Synchronous braking method for electric performer |
| CN111381155A (en) * | 2018-12-28 | 2020-07-07 | 法可特里亚股份有限公司 | Method and system for diagnosing the condition of a contactor |
-
2014
- 2014-11-14 CN CN201410649345.XA patent/CN104333270A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836483A (en) * | 2015-05-29 | 2015-08-12 | 天津市津达执行器有限公司 | Synchronous braking method for electric performer |
| CN111381155A (en) * | 2018-12-28 | 2020-07-07 | 法可特里亚股份有限公司 | Method and system for diagnosing the condition of a contactor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150204 |
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| WD01 | Invention patent application deemed withdrawn after publication |