CN104133503A - Temperature-control circuit of injection molding machine - Google Patents
Temperature-control circuit of injection molding machine Download PDFInfo
- Publication number
- CN104133503A CN104133503A CN201410273416.0A CN201410273416A CN104133503A CN 104133503 A CN104133503 A CN 104133503A CN 201410273416 A CN201410273416 A CN 201410273416A CN 104133503 A CN104133503 A CN 104133503A
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- China
- Prior art keywords
- circuit
- temperature
- voltage stabilizing
- relay
- injection molding
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- 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.)
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Abstract
The invention relates to a temperature-control circuit of an injection molding machine. The circuit is characterized by including a multi-resonant oscillator which includes an NE555 time base chip, a voltage stabilizing circuit, a relay and a heater. A DC power supply provides a work voltage to follow-up elements after undergoing voltage stabilization through the voltage stabilizing circuit. Output of the multi-resonant oscillator is connected with the relay and the heater is heated through the relay. The voltage stabilizing circuit includes a resistor and a voltage stabilizing diode serially connected with the resistor. The temperature-control circuit of the injection molding machine is simple in circuit, high in reliability, high in temperature-control precision and high in overload capability.
Description
Technical field
The present invention relates to electronic circuit technology field, especially a kind of multivariable system circuit.
Background technology
Temperature control system is the key component of whole injection machine, and the temperature control effect of charging basket is directly affected to injection-molded finished quality, especially for precise injection molding goods.Current middle-size and small-size injection machine much adopts temperature, pressure controller table and the hand switch of monomer-type to control, and has a strong impact on crudy and the quality of production and the efficiency of product.
Summary of the invention
In view of above the deficiencies in the prior art, the invention provides a kind of multivariable system circuit, can heat by automatic intermittent, realize injection machine thermostatic control.
For achieving the above object, the invention provides following solution: a kind of multivariable system circuit, it is characterized in that: multivibrator, mu balanced circuit, relay and well heater that while comprising NE555, base chip forms, direct supply provides operating voltage for subsequent element after by described mu balanced circuit voltage stabilizing, electrical equipment is succeeded in the output of described multivibrator, by relay, to well heater, heats.Wherein multivibrator is NE555 chip and peripheral circuit thereof, and its 7 pin connects potentiometer, and 3 pin are succeeded electrical equipment.By regulator potentiometer, change the dutycycle of NE555, change the conduction time of well heater.
Preferably, described mu balanced circuit comprises the voltage stabilizing diode of resistance and series connection with it.
The present invention reaches following beneficial effect: circuit simple realization is easy, and reliability is high, and temperature-controlled precision is high, has very strong overload capacity.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Electronic temperature control circuit as shown in Figure 1, adopts intermittent-heating principle, has very strong overload capacity, and temperature-control range can be set continuously, and precision reaches ± and 3%.
During NE555, base chip and R1, R2, RP, D1, D2, C1, C2 form the multivibrator of variable duty ratio, 3 pin output currents drive relay K A, intermittently give well heater RL energising, and after a period of time, heated injection molding machine nozzle reaches thermal equilibrium, temperature constant, has realized thermostatic control.24V direct supply is through R4, VZ voltage stabilizing, offer control circuit operating voltage, the square-wave voltage of the 3 pin outputs of NE555, can make its dutycycle in 0 ~ 100% interior any change by regulator potentiometer RP, thereby change well heater conduction time, also changed constant temperature temperature value.RP and C1 determine the time base circuit length in output square-wave voltage cycle.D2 is fly-wheel diode, and VL is burner on light.
Be more than better embodiment of the present invention, but protection scope of the present invention is not limited to this.Any those of ordinary skill in the art are in the disclosed technical scope of the present invention, and the conversion of expecting without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore protection scope of the present invention should be as the criterion with the protection domain that claim was limited.
Claims (3)
1. a multivariable system circuit, it is characterized in that: multivibrator, mu balanced circuit, relay and well heater that while comprising NE555, base chip forms, direct supply provides operating voltage for subsequent element after by described mu balanced circuit voltage stabilizing, electrical equipment is succeeded in the output of described multivibrator, by relay, to well heater, heats.
2. multivariable system circuit according to claim 1, is characterized in that: described multivibrator comprises NE555 chip, and its 7 pin connects potentiometer, and 3 pin are succeeded electrical equipment.
3. multivariable system circuit according to claim 2, is characterized in that: described mu balanced circuit comprises the voltage stabilizing diode of resistance and series connection with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410273416.0A CN104133503A (en) | 2014-06-19 | 2014-06-19 | Temperature-control circuit of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410273416.0A CN104133503A (en) | 2014-06-19 | 2014-06-19 | Temperature-control circuit of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104133503A true CN104133503A (en) | 2014-11-05 |
Family
ID=51806217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410273416.0A Pending CN104133503A (en) | 2014-06-19 | 2014-06-19 | Temperature-control circuit of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104133503A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1357196A (en) * | 1970-07-29 | 1974-06-19 | Philips Electronic Associated | Integrated circuits |
| CN2641922Y (en) * | 2003-08-04 | 2004-09-15 | 吴洪德 | Thyristor output circuit of injection moulding machine |
| CN202365426U (en) * | 2011-12-17 | 2012-08-08 | 朱虹 | Controller of electric blanket with adjustable temperature |
| CN202404464U (en) * | 2011-11-25 | 2012-08-29 | 常州信息职业技术学院 | Temperature measuring and controlling device |
-
2014
- 2014-06-19 CN CN201410273416.0A patent/CN104133503A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1357196A (en) * | 1970-07-29 | 1974-06-19 | Philips Electronic Associated | Integrated circuits |
| CN2641922Y (en) * | 2003-08-04 | 2004-09-15 | 吴洪德 | Thyristor output circuit of injection moulding machine |
| CN202404464U (en) * | 2011-11-25 | 2012-08-29 | 常州信息职业技术学院 | Temperature measuring and controlling device |
| CN202365426U (en) * | 2011-12-17 | 2012-08-08 | 朱虹 | Controller of electric blanket with adjustable temperature |
Non-Patent Citations (1)
| Title |
|---|
| 陈际开: ""经济耐用的电子式温度控制器"", 《电世界》 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141105 |