CN203747705U - Motor speed regulation and control circuit for crane running mechanism - Google Patents
Motor speed regulation and control circuit for crane running mechanism Download PDFInfo
- Publication number
- CN203747705U CN203747705U CN201420034265.9U CN201420034265U CN203747705U CN 203747705 U CN203747705 U CN 203747705U CN 201420034265 U CN201420034265 U CN 201420034265U CN 203747705 U CN203747705 U CN 203747705U
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- control circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model provides a motor speed regulation and control circuit for a crane running mechanism, which comprises an external electrical control circuit and an internal electrical control circuit, wherein the external electrical control circuit is used for receiving instructions of a user so as to connect or disconnect an external power supply and the internal electrical control circuit; and the internal electrical control circuit is used for regulating the speed of a motor of the crane running mechanism. The motor speed regulation and control circuit provided by the utility model for the crane running mechanism is flexible in speed regulation, electric energy saving and low in cost.
Description
Technical field
The utility model relates to crane field, relates in particular to a kind of crane travel mechanism circuit of motor speed regulation control based.
Background technology
The single-phase speed governing of current existing crane operation travelling mechanism, all adopt one end resistance of connecting in a wherein phase power supply of three phase mains, after electric motor starting, there is delayer to drive contactor that resistor short circuit is completed to crane operation travelling mechanism single-phase speed governing, the shortcomings such as existing mode of speed regulation exists, and waste electric energy, resistor generate heat seriously, resistor easily burns, cost is high, take up room large, failure rate is high.
Summary of the invention
The purpose of this utility model is to provide a kind of crane travel mechanism circuit of motor speed regulation control based, and speed governing is flexible and save electric energy, cost is low.
In order to solve the problems of the technologies described above, the crane travel mechanism circuit of motor speed regulation control based that the utility model provides is achieved in that
A crane travel mechanism circuit of motor speed regulation control based, comprising: external electrical control circuit and internal electric control circuit;
Described external electrical control circuit, for receiving user's instruction, is communicated with or disconnecting external power supply and internal electric control circuit;
Described internal electric control circuit, is used to described crane travel mechanism electric machine speed regulation;
Described external electrical control circuit comprises: the power input of directional contactor K11 is connected, is connected with external power source with the power input of directional contactor K21, and power output end L11, the L21 of directional contactor K11 is connected crane travel mechanism motor D M1 with L31 by described internal electric control circuit TSMK with power output end L11, the L21 of the K21 of directional contactor with L31; One end of the coil of directional contactor K12 is connected with one end of directional contactor K22, is connected with the L3 of external power source, the other end of directional contactor K12 coil is connected with one end of push-button switch S1 by the normally closed point of directional contactor K22, the other end of push-button switch S1 is connected with external power source L1 by fuse FU1, the other end of directional contactor K22 coil is connected with one end of push-button switch S2 by the normally closed point of directional contactor K12, and the other end of push-button switch is connected with external power source L1 by fuse FU1.
Optionally, described internal electric control circuit comprises: elementary one end of transformer T1 is connected with L31, the other end of transformer T1 is connected with the power output end L11 of described external electrical control circuit by fuse FU2, secondary one end of transformer T1 is connected with 1 pin of rectifier bridge DD1, another pin of T1 level of transformer is connected with 3 pin of rectifier bridge DD1, 2 pin of rectifier bridge DD1 are connected with the positive pole of capacitor C1, be connected with 1 pin of three terminal regulator V1, 4 pin of rectifier bridge DD1 are connected with the negative pole of capacitor C1, be connected with 2 pin of three terminal regulator V1, 3 pin of three terminal regulator V1 are connected with the positive pole of capacitor C2, be connected with 5V power supply, 2 pin of three terminal regulator are connected with the negative pole of capacitor C2, be connected with ground wire, 4 pin of single-chip microcomputer U1 connect ground wire by capacitor C3, 5 pin of single-chip microcomputer U1 connect ground wire by capacitor C4, between 4 pin of single-chip microcomputer U1 and 5 pin, be connected with crystal oscillator Y1, 10 pin of single-chip microcomputer U1 connect ground wire, 8 pin of single-chip microcomputer U1 connect 20 pin of single-chip microcomputer U1 by resistor R3, connect the collector electrode that lock-out pulse gathers the triode end of optocoupler GO1, the emitter that lock-out pulse gathers the triode end of optocoupler GO1 connects ground wire, the positive pole that lock-out pulse gathers the diode end of optocoupler GO1 connects the power output end L11 of described external electrical control circuit by resistor R2, the negative pole that lock-out pulse gathers the diode end of optocoupler GO1 connects the power output end L31 of described external electrical control circuit by resistor R1, 13 pin of single-chip microcomputer U1 connect by resistance R 4 positive pole that silicon-controlled voltage regulation triggers the diode end of optocoupler GO2, the negative pole that controllable silicon triggers the diode end of optocoupler GO2 connects ground wire, one end that controllable silicon triggers the trigger output signal of optocoupler GO2 connects speed adjusting module Q1 triggering signal G1, the other end that controllable silicon triggers the trigger output signal of optocoupler GO2 connects speed adjusting module triggering signal G2, the power output end L11 of described external electrical control circuit connects described internal electric control circuit power output end R, the power output end L21 of described external electrical control circuit connects described internal electric control circuit power output end S, the power output end L31 terminal of described external electrical control circuit connects the anode that speed adjusting module Q1 negative electrode connects speed adjusting module Q2, the negative electrode of the anodic bonding speed adjusting module Q2 of speed adjusting module Q1, connect described internal electric control circuit power output end T.
The utility model is with respect to prior art crane travel mechanism electric machine speed regulation controller, have and can reduce the electric failure rate of crane, improve crane intelligent, reduce crane maintenance personal labour intensity, minimizing accident occurs, and improves the advantage of crane breakdown maintenance speed.
Accompanying drawing explanation
Fig. 1 is the crane travel mechanism circuit of motor speed regulation control based structural representation that the utility model provides;
Fig. 2 is the crane travel mechanism circuit of motor speed regulation control based external electrical control circuit connection diagram that the utility model provides;
Fig. 3 is the crane travel mechanism circuit of motor speed regulation control based internal electric control circuit connection diagram that the utility model provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of crane travel mechanism circuit of motor speed regulation control based, comprising: external electrical control circuit 100 and internal electric control circuit 200;
Described external electrical control circuit, for receiving user's instruction, is communicated with or disconnecting external power supply and internal electric control circuit;
Described internal electric control circuit, is used to described crane travel mechanism motor 300 speed governing.
Receive user's instruction, connection or disconnecting external power supply and internal electric control circuit are specially: user presses the button switch, connect external electrical control circuit, and external electrical control circuit is started working, and are communicated with external power source and internal electric control circuit; User presses the button switch, and external electrical control circuit opens circuit, and external electrical control circuit quits work, and disconnecting external power supply is connected with internal electric control circuit.
As shown in Figure 2, described external electrical control circuit comprises: the power input of directional contactor K11 is connected, is connected with external power source with the power input of directional contactor K21, and power output end L11, the L21 of directional contactor K11 is connected crane travel mechanism motor D M1 with L31 by described internal electric control circuit TSMK with power output end L11, the L21 of the K21 of directional contactor with L31; One end of the coil of directional contactor K12 is connected with one end of directional contactor K22, is connected with the L3 of external power source, the other end of directional contactor K12 coil is connected with one end of push-button switch S1 by the normally closed point of directional contactor K22, the other end of push-button switch S1 is connected with external power source L1 by fuse FU1, the other end of directional contactor K22 coil is connected with one end of push-button switch S2 by the normally closed point of directional contactor K12, and the other end of push-button switch is connected with external power source L1 by fuse FU1.
As shown in Figure 3, described internal electric control circuit comprises: elementary one end of transformer T1 is connected with L31, the other end of transformer T1 is connected with the power output end L11 of described external electrical control circuit by fuse FU2, secondary one end of transformer T1 is connected with 1 pin of rectifier bridge DD1, another pin of T1 level of transformer is connected with 3 pin of rectifier bridge DD1, 2 pin of rectifier bridge DD1 are connected with the positive pole of capacitor C1, be connected with 1 pin of three terminal regulator V1, 4 pin of rectifier bridge DD1 are connected with the negative pole of capacitor C1, be connected with 2 pin of three terminal regulator V1, 3 pin of three terminal regulator V1 are connected with the positive pole of capacitor C2, be connected with 5V power supply, 2 pin of three terminal regulator are connected with the negative pole of capacitor C2, be connected with ground wire, 4 pin of single-chip microcomputer U1 connect ground wire by capacitor C3, 5 pin of single-chip microcomputer U1 connect ground wire by capacitor C4, between 4 pin of single-chip microcomputer U1 and 5 pin, be connected with crystal oscillator Y1, 10 pin of single-chip microcomputer U1 connect ground wire, 8 pin of single-chip microcomputer U1 connect 20 pin of single-chip microcomputer U1 by resistor R3, connect the collector electrode that lock-out pulse gathers the triode end of optocoupler GO1, the emitter that lock-out pulse gathers the triode end of optocoupler GO1 connects ground wire, the positive pole that lock-out pulse gathers the diode end of optocoupler GO1 connects the power output end L11 of described external electrical control circuit by resistor R2, the negative pole that lock-out pulse gathers the diode end of optocoupler GO1 connects the power output end L31 of described external electrical control circuit by resistor R1, 13 pin of single-chip microcomputer U1 connect by resistance R 4 positive pole that silicon-controlled voltage regulation triggers the diode end of optocoupler GO2, the negative pole that controllable silicon triggers the diode end of optocoupler GO2 connects ground wire, one end that controllable silicon triggers the trigger output signal of optocoupler GO2 connects speed adjusting module Q1 triggering signal G1, the other end that controllable silicon triggers the trigger output signal of optocoupler GO2 connects speed adjusting module triggering signal G2, the power output end L11 of described external electrical control circuit connects described internal electric control circuit power output end R, the power output end L21 of described external electrical control circuit connects described internal electric control circuit power output end S, the power output end L31 terminal of described external electrical control circuit connects the anode that speed adjusting module Q1 negative electrode connects speed adjusting module Q2, the negative electrode of the anodic bonding speed adjusting module Q2 of speed adjusting module Q1, connect described internal electric control circuit power output end T.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (2)
1. a crane travel mechanism circuit of motor speed regulation control based, is characterized in that, comprising: external electrical control circuit and internal electric control circuit;
Described external electrical control circuit, for receiving user's instruction, is communicated with or disconnecting external power supply and internal electric control circuit;
Described internal electric control circuit, is used to described crane travel mechanism electric machine speed regulation;
Described external electrical control circuit comprises: the power input of directional contactor K11 is connected, is connected with external power source with the power input of directional contactor K21, and power output end L11, the L21 of directional contactor K11 is connected crane travel mechanism motor D M1 with L31 by described internal electric control circuit TSMK with power output end L11, the L21 of the K21 of directional contactor with L31; One end of the coil of directional contactor K12 is connected with one end of directional contactor K22, is connected with the L3 of external power source, the other end of directional contactor K12 coil is connected with one end of push-button switch S1 by the normally closed point of directional contactor K22, the other end of push-button switch S1 is connected with external power source L1 by fuse FU1, the other end of directional contactor K22 coil is connected with one end of push-button switch S2 by the normally closed point of directional contactor K12, and the other end of push-button switch is connected with external power source L1 by fuse FU1.
2. crane travel mechanism circuit of motor speed regulation control based according to claim 1, it is characterized in that, described internal electric control circuit comprises: elementary one end of transformer T1 is connected with L31, the other end of transformer T1 is connected with the power output end L11 of described external electrical control circuit by fuse FU2, secondary one end of transformer T1 is connected with 1 pin of rectifier bridge DD1, another pin of T1 level of transformer is connected with 3 pin of rectifier bridge DD1, 2 pin of rectifier bridge DD1 are connected with the positive pole of capacitor C1, be connected with 1 pin of three terminal regulator V1, 4 pin of rectifier bridge DD1 are connected with the negative pole of capacitor C1, be connected with 2 pin of three terminal regulator V1, 3 pin of three terminal regulator V1 are connected with the positive pole of capacitor C2, be connected with 5V power supply, 2 pin of three terminal regulator are connected with the negative pole of capacitor C2, be connected with ground wire, 4 pin of single-chip microcomputer U1 connect ground wire by capacitor C3, 5 pin of single-chip microcomputer U1 connect ground wire by capacitor C4, between 4 pin of single-chip microcomputer U1 and 5 pin, be connected with crystal oscillator Y1, 10 pin of single-chip microcomputer U1 connect ground wire, 8 pin of single-chip microcomputer U1 connect 20 pin of single-chip microcomputer U1 by resistor R3, connect the collector electrode that lock-out pulse gathers the triode end of optocoupler GO1, the emitter that lock-out pulse gathers the triode end of optocoupler GO1 connects ground wire, the positive pole that lock-out pulse gathers the diode end of optocoupler GO1 connects the power output end L11 of described external electrical control circuit by resistor R2, the negative pole that lock-out pulse gathers the diode end of optocoupler GO1 connects the power output end L31 of described external electrical control circuit by resistor R1, 13 pin of single-chip microcomputer U1 connect by resistance R 4 positive pole that silicon-controlled voltage regulation triggers the diode end of optocoupler GO2, the negative pole that controllable silicon triggers the diode end of optocoupler GO2 connects ground wire, one end that controllable silicon triggers the trigger output signal of optocoupler GO2 connects speed adjusting module Q1 triggering signal G1, the other end that controllable silicon triggers the trigger output signal of optocoupler GO2 connects speed adjusting module triggering signal G2, the power output end L11 of described external electrical control circuit connects described internal electric control circuit power output end R, the power output end L21 of described external electrical control circuit connects described internal electric control circuit power output end S, the power output end L31 terminal of described external electrical control circuit connects the anode that speed adjusting module Q1 negative electrode connects speed adjusting module Q2, the negative electrode of the anodic bonding speed adjusting module Q2 of speed adjusting module Q1, connect described internal electric control circuit power output end T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034265.9U CN203747705U (en) | 2014-01-21 | 2014-01-21 | Motor speed regulation and control circuit for crane running mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420034265.9U CN203747705U (en) | 2014-01-21 | 2014-01-21 | Motor speed regulation and control circuit for crane running mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203747705U true CN203747705U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420034265.9U Expired - Fee Related CN203747705U (en) | 2014-01-21 | 2014-01-21 | Motor speed regulation and control circuit for crane running mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203747705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2758441C1 (en) * | 2021-03-25 | 2021-10-28 | Федеральное государственное автономное образовательное учреждение высшего образования «Санкт-Петербургский государственный электротехнический университет «ЛЭТИ» им. В.И.Ульянова (Ленина)» | Asynchronous motor speed controller |
-
2014
- 2014-01-21 CN CN201420034265.9U patent/CN203747705U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2758441C1 (en) * | 2021-03-25 | 2021-10-28 | Федеральное государственное автономное образовательное учреждение высшего образования «Санкт-Петербургский государственный электротехнический университет «ЛЭТИ» им. В.И.Ульянова (Ленина)» | Asynchronous motor speed controller |
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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 |
Granted publication date: 20140730 Termination date: 20150121 |
|
| EXPY | Termination of patent right or utility model |