CN213108282U - Power supply circuit of water pipe hot melting machine control circuit - Google Patents
Power supply circuit of water pipe hot melting machine control circuit Download PDFInfo
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- CN213108282U CN213108282U CN202021640365.8U CN202021640365U CN213108282U CN 213108282 U CN213108282 U CN 213108282U CN 202021640365 U CN202021640365 U CN 202021640365U CN 213108282 U CN213108282 U CN 213108282U
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- melting machine
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Abstract
The utility model belongs to the technical field of water pipe hot melting machine technique and specifically relates to a power supply circuit of water pipe hot melting machine control circuit, including power source, rectifier diode, step-down resistor, zener diode, filter circuit and hot melting machine control module, power source connects external alternating current power supply, and the live wire end of power source is connected to rectifier diode's negative pole end, and rectifier diode's positive pole end is connected the one end of step-down resistor, and step-down resistor's other end ground connection, zener diode's positive pole end connection step-down resistor's earthing terminal, and zener diode's negative pole end connection power source's zero line end, filter circuit connect in parallel on zener diode; the hot melt machine control module includes two-way silicon controlled rectifier chip and triode, the utility model discloses circuit structure is simple, and the device is few, and is with low costs, and the circuit is reliable.
Description
Technical Field
The utility model relates to a water pipe hot melt machine technical field, concrete field is a water pipe hot melt machine control circuit's power supply circuit.
Background
The power supply of the current control circuit of the water pipe hot melting machine adopts resistance-capacitance voltage reduction and a switching power supply to supply power to the control circuit, the power supply for the control panel by adopting the resistance-capacitance voltage reduction and the switching power supply has higher relative cost, more circuit devices and occupies the LAYOUT space of the PCB.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a water pipe hot melt machine control circuit's power supply circuit.
In order to achieve the above object, the utility model provides a following technical scheme: a power supply circuit of a water pipe hot melting machine control circuit comprises a power interface, a rectifier diode, a voltage reduction resistor, a voltage regulator diode, a filter circuit and a hot melting machine control module, wherein the power interface is connected with an external alternating current power supply;
the control module of the hot melting machine comprises a bidirectional silicon controlled chip and a triode, wherein the base electrode of the triode is connected with an external control signal end, the collector electrode of the triode is connected with the trigger end of the bidirectional silicon controlled chip, the power interface is also provided with an output power end of the hot melting machine, the output power end of the hot melting machine of the power interface is connected with one end of the bidirectional silicon controlled chip, the other end of the bidirectional silicon controlled chip is connected with the zero line end of the power interface, and the emitting electrode of the triode is grounded.
Preferably, the filter circuit comprises an electrodeless capacitor and an electrolytic capacitor, a negative electrode end of the electrolytic capacitor is connected with a positive electrode end of the voltage stabilizing diode, a positive electrode end of the electrolytic capacitor is connected with a negative electrode end of the voltage stabilizing diode, and the electrodeless capacitor is connected in parallel to the electrolytic capacitor.
Preferably, the rectifier diode is an ES1J type diode.
Preferably, the voltage reduction resistor is a cement resistor.
Preferably, the control module of the hot melting machine further comprises a first resistor, a second resistor and a third resistor, wherein the first resistor is connected in series between a collector of the triode and a trigger end of the bidirectional thyristor chip, the second resistor is connected in series between a base and an emitter of the triode, and the third resistor is connected in series between the base of the triode and an external control signal end.
Compared with the prior art, the beneficial effects of the utility model are that: the power is supplied to the control circuit by adopting a resistance voltage reduction mode, the circuit structure is simple, the number of devices is small, the cost is low, and the circuit is reliable;
the circuit is simple to realize, the power supply circuit is simplified, the LAYOUT space of the PCB is reduced, and the cost is reduced.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
In the figure: 1. a power interface; 2. a rectifier diode; 3. a voltage reduction resistor; 4. a voltage regulator diode; 5. an electrodeless capacitor; 6. an electrolytic capacitor; 7. a bidirectional thyristor chip; 8. a triode; 9. a first resistor; 10. a second resistor; 11. and a third resistor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a power supply circuit of a water pipe hot melting machine control circuit comprises a power interface, a rectifier diode, a voltage reduction resistor, a voltage regulator diode, a filter circuit and a hot melting machine control module, wherein the power interface is connected with an external alternating current power supply;
the control module of the hot melting machine comprises a bidirectional silicon controlled chip and a triode, wherein the base electrode of the triode is connected with an external control signal end, the collector electrode of the triode is connected with the trigger end of the bidirectional silicon controlled chip, the power interface is also provided with an output power end of the hot melting machine, the output power end of the hot melting machine of the power interface is connected with one end of the bidirectional silicon controlled chip, the other end of the bidirectional silicon controlled chip is connected with the zero line end of the power interface, and the emitting electrode of the triode is grounded.
The filter circuit comprises an electrodeless capacitor and an electrolytic capacitor, wherein the negative end of the electrolytic capacitor is connected with the positive end of the voltage stabilizing diode, the positive end of the electrolytic capacitor is connected with the negative end of the voltage stabilizing diode, and the electrodeless capacitor is connected in parallel to the electrolytic capacitor.
The rectifier diode is an ES1J type diode.
The voltage reduction resistor is a cement resistor.
The control module of the hot melting machine further comprises a first resistor, a second resistor and a third resistor, wherein the first resistor is connected between a collector of the triode and a trigger end of the bidirectional thyristor chip in series, the second resistor is connected between a base and an emitter of the triode in series, and the third resistor is connected between the base of the triode and an external control signal end in series.
According to the technical scheme, after the power supply is powered on, AC _ L, AC _ N of the power interface inputs AC voltage, the AC voltage is subjected to half-wave rectification by the rectifier diode and voltage reduction by the cement resistor, and then the AC voltage is filtered by the voltage stabilizing diode and the two filter capacitors to obtain the power supply needed by the control circuit.
The heating power supply corresponding to the hot melting machine is controlled in such a way that an external control signal output belt triode is connected, and the triode is triggered by a bidirectional thyristor, so that the hot melting machine is connected and electrified.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a water pipe hot melt machine control circuit's power supply circuit which characterized in that: the power supply interface is connected with an external alternating current power supply, the negative end of the rectifier diode is connected with the fire wire end of the power supply interface, the positive end of the rectifier diode is connected with one end of the voltage reduction resistor, the other end of the voltage reduction resistor is grounded, the positive end of the voltage stabilization diode is connected with the grounding end of the voltage reduction resistor, the negative end of the voltage stabilization diode is connected with the zero wire end of the power supply interface, and the filter circuit is connected to the voltage stabilization diode in parallel;
the control module of the hot melting machine comprises a bidirectional silicon controlled chip and a triode, wherein the base electrode of the triode is connected with an external control signal end, the collector electrode of the triode is connected with the trigger end of the bidirectional silicon controlled chip, the power interface is also provided with an output power end of the hot melting machine, the output power end of the hot melting machine of the power interface is connected with one end of the bidirectional silicon controlled chip, the other end of the bidirectional silicon controlled chip is connected with the zero line end of the power interface, and the emitting electrode of the triode is grounded.
2. The power supply circuit of the control circuit of the water pipe hot melting machine according to claim 1, characterized in that: the filter circuit comprises an electrodeless capacitor and an electrolytic capacitor, wherein the negative end of the electrolytic capacitor is connected with the positive end of the voltage stabilizing diode, the positive end of the electrolytic capacitor is connected with the negative end of the voltage stabilizing diode, and the electrodeless capacitor is connected in parallel to the electrolytic capacitor.
3. The power supply circuit of the control circuit of the water pipe hot melting machine according to claim 1, characterized in that: the rectifier diode is an ES1J type diode.
4. The power supply circuit of the control circuit of the water pipe hot melting machine according to claim 1, characterized in that: the voltage reduction resistor is a cement resistor.
5. The power supply circuit of the control circuit of the water pipe hot melting machine according to claim 1, characterized in that: the control module of the hot melting machine further comprises a first resistor, a second resistor and a third resistor, wherein the first resistor is connected between a collector of the triode and a trigger end of the bidirectional thyristor chip in series, the second resistor is connected between a base and an emitter of the triode in series, and the third resistor is connected between the base of the triode and an external control signal end in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021640365.8U CN213108282U (en) | 2020-08-08 | 2020-08-08 | Power supply circuit of water pipe hot melting machine control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021640365.8U CN213108282U (en) | 2020-08-08 | 2020-08-08 | Power supply circuit of water pipe hot melting machine control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213108282U true CN213108282U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021640365.8U Active CN213108282U (en) | 2020-08-08 | 2020-08-08 | Power supply circuit of water pipe hot melting machine control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213108282U (en) |
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2020
- 2020-08-08 CN CN202021640365.8U patent/CN213108282U/en active Active
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