CN87204143U - Automatic speed governing device for single phase moment motor - Google Patents
Automatic speed governing device for single phase moment motor Download PDFInfo
- Publication number
- CN87204143U CN87204143U CN 87204143 CN87204143U CN87204143U CN 87204143 U CN87204143 U CN 87204143U CN 87204143 CN87204143 CN 87204143 CN 87204143 U CN87204143 U CN 87204143U CN 87204143 U CN87204143 U CN 87204143U
- Authority
- CN
- China
- Prior art keywords
- triode
- triggering
- circuits
- circuit
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Abstract
The utility model discloses an automatic speed governing device for a single phase moment motor used on winding (wire) machines of industries, such as spinning industry, plastic industry, etc. Winding yarns (wires) can be automatically controlled through the strength of the tension of the yarns (wires) and the rotation rate of the motor can also be controlled through the strength of the tension of the yarns (wires). The circuit makes use of the Hall linear integrated circuit to induct continuous and linear direct current voltage from the magnetic loop sheathed on a tension rod and trigger the size of the angle of flow of a bidirectional controlled silicon. Therefore, the rotation rate of the motor can be automatically controlled according to the variation of the tension. The yarns (wires) winded by the circuit are level and smooth. The tightness is proper. The utility model has the advantages of low cost, high reliability and convenient operation and is an automatic speed governing device with localization of manufactures.
Description
The utility model is applicable to single-phase torque motor automatic speed regulation circuit on industrial wrapping wire (line) machine such as weaving, plastics.
Motor automatic speed regulation control board in Austria " Lening AG " company's Polywoven Bag machine of China's introduction now and the homemade production equipment on the spiral filament forming machine, the cost height.Maintenance is used all very complicated.Particularly the equipment from external introduction does not have technical data, and major part is fragile, and domestic do not have identical parts to join, and phenomenon often occurs shutting down.
The purpose of this utility model is to avoid above-described weak point in the prior art and a kind of single-phase torque motor automatic speed regulation circuit is provided.
The utility model reaches by following approach:
This circuit is by Hall linear integrated circuit IC
1, with the magnet ring that is enclosed within on the tension rail, in the certain limit rotation, the magnetic field intensity of the variation of sensing becomes continuously, and direct voltage after this voltage amplifies through direct current amplifier, is delivered to the circuits for triggering of unijunction transistor composition linearly.Go to trigger the size of the bidirectional triode thyristor angle of flow with trigger impulse, thereby realize the voltage of self-regulation motor, make rotating speed of motor consistent with the tension coordinating of silk.
The utility model is illustrated the combined circuit schematic diagram.
Circuit theory diagrams, circuit structure at first are by input, are triggered to power rectifier and finish motor automatic speed regulation campaign to the voltage regulator step at last.
Input: the tension force size of silk (line) is rotated within the specific limits by the magnet ring that is enclosed within on the tension rail, senses Hall linear integrated circuit IC
1On, make IC
1Tripod output is delivered to triode BG1 place, triode BG with the voltage that the tension force size changes through the adjusting output voltage of variable resistor W1 linearity
1, resistance R
3, R
4, R
5, diode D
1, variable resistor W
2Constitute source follower, its purpose is IC
1The output voltage amplitude of tripod limits within the required range, variable resistor W
1Be located on the panel.Different coarse adjustment go out the motor output voltage, variable resistor W according to the condition of production
2Be the maximum output voltage regulating resistor.
Circuits for triggering: adopt the unijunction transistor circuits for triggering, by resistance R
6, R
7, R
8, R
9, diode D
2, D
3, D
4, triode BG
2, BG
3, BG
4, capacitor C
4, pulse transformer BM forms triode BG
2Be the NPN silicon triode, it and resistance R
6, R
7, diode D
2Form one-level and amplify resistance R
8, R
9, triode BG
3, BG
4, diode D
4, capacitor C
4, pulse transformer BM forms unijunction transistor relaxation oscillator circuit, wherein triode BG
3Serve as a variable resistor, control performance is stronger like this, as variable resistor W
2The positive signal of input is strong more, triode BG
2Collector current is big more, and current potential is negative more, makes again and flows through triode BG
3Emitter current is big more, just is equivalent to triode BG
3Internal resistance diminishes, capacitor C
4Charging rate is fast more, makes pulse transformer BM output pulse reach, diode D
4Be the element that prevents that the negative pulse influence from increasing.
Rectifier power source: 220 volts of power supplys are by insurance BX and resistance R
10Step-down is passed through bridge rectifier QZ bridge rectifier, voltage stabilizing didoe DW again
1Slicing and obtain the trapezoidal wave synchronizing voltage is supplied with circuits for triggering, and voltage stabilizing didoe DW both end voltage is through diode D
3Isolate capacitor C
3Triode BG is supplied with in filtering
1, pass through resistance R again
1Arrive fixedly voltage stabilizing integrator IC
2, supply with Hall linear integrated circuit IC at last
1
Regulating circuit: by bidirectional triode thyristor SCR, inductance L
1, capacitor C
5, resistance R
11, diode D
5, pulse transformer BM, motor M form.As pulse transformer BM
1The elementary pulse voltage that obtains is coupled to secondary, secondaryly just can obtain opposite polarity pulse voltage, and diode D
5Only allow negative pulse to be added to control utmost point G and main electrode T, thereby realized negative triggering controllable silicon, trigger impulse is reach more, and thyristor operating angle is big more, otherwise the angle of flow is more little, thereby has controlled the speed of the rotating speed of motor M, capacitor C
5, resistance R
11, inductance L
1It has been the effect that deboost, electric current rise.
Fig. 1 is the utility model circuit theory diagrams.
Fig. 2 is the utility model block diagram.
Major advantage of the present utility model: 1. this circuit is economized except power transformer, uses the resistance step-down, and bridge rectifier obtains synchronizing voltage and dc source, and weight, volume all reduce to some extent like this. 2. use pulse transformer, main circuit and control circuit are isolated mutually, avoided unnecessary interference and impact. 3. adopt triode to do variable resistor, control performance is strengthened, and has removed the operational amplifier of high-gain, has reduced cost, and reliability strengthens. 4. by adopting this circuit, the silk that lays out (line) is smooth smooth, and degree of tightness is suitable, and has improved product quality and alleviated labour intensity.
Claims (1)
1, a kind of single-phase torque motor automatic speed governor.It comprises signal deteching circuit.Circuits for triggering, rectifier power source, regulating circuit.It is characterized in that:
A, input are to utilize triode BG
1, resistance R
3, R
4, R
5, diode D
1Variable resistor W
1Constitute source follower, purpose is Hall linear integrated circuit IC
1The output voltage amplitude of tripod limits within the required range, and provides a voltage that changes with tension rail action size to circuits for triggering;
B, circuits for triggering adopt unijunction transistor, by resistance R
6, R
7, R
8, R
9Diode D
2, D
3, D
4, D
5Triode BG
2, BG
3, BG
4, capacitor C
4, pulse transformer BM forms.Triode BG wherein
3Serve as a variable resistor.Making it control performance strengthens.Circuits for triggering are that the input voltage transformation is become can trigger the silicon controlled pulse voltage;
C, rectifier power source are to pass through resistance R
10Step-down and bridge rectifier QZ rectification obtain synchronizing voltage and DC power supply, it is to the triode BG of testing circuit and circuits for triggering
2DC power supply is provided.Triode BG to circuits for triggering
4Synchronizing voltage is provided;
D, regulating circuit are by bidirectional triode thyristor SCR, inductance L
1, capacitor C
5, resistance R
11, diode D
5, pulse transformer BM, motor M form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87204143 CN87204143U (en) | 1987-04-16 | 1987-04-16 | Automatic speed governing device for single phase moment motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87204143 CN87204143U (en) | 1987-04-16 | 1987-04-16 | Automatic speed governing device for single phase moment motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87204143U true CN87204143U (en) | 1988-08-03 |
Family
ID=4820059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87204143 Ceased CN87204143U (en) | 1987-04-16 | 1987-04-16 | Automatic speed governing device for single phase moment motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87204143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698090A (en) * | 2017-01-17 | 2017-05-24 | 国家电网公司 | Automatic tension controller |
-
1987
- 1987-04-16 CN CN 87204143 patent/CN87204143U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698090A (en) * | 2017-01-17 | 2017-05-24 | 国家电网公司 | Automatic tension controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |