CN219164542U - Electronic equipment power supply unit - Google Patents
Electronic equipment power supply unit Download PDFInfo
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- CN219164542U CN219164542U CN202320107004.4U CN202320107004U CN219164542U CN 219164542 U CN219164542 U CN 219164542U CN 202320107004 U CN202320107004 U CN 202320107004U CN 219164542 U CN219164542 U CN 219164542U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model discloses a power supply device of electronic equipment, which belongs to the field of time delay power supply and comprises: the fire zero line power supply module is used for supplying 220V alternating current through a fire wire and a zero line; the step-down rectifying and filtering module is used for converting 220V alternating current into direct current; the switch module is used for controlling the starting of the delay module; the delay module is used for controlling the equipment triggering module to work after delay; the equipment triggering module is used for triggering the fire zero line power supply module to supply power for the electronic equipment; compared with the prior art, the utility model has the beneficial effects that the fire zero line power supply module is connected with the step-down rectifying and filtering module and the equipment triggering module, and the utility model has the following advantages: according to the utility model, the electronic equipment is delayed to work through the delay module, the result doubt of the electronic equipment is prevented when the electronic equipment starts to work, and meanwhile, the high-level work of the electronic equipment is controlled through the low level of the switch module, so that the electronic equipment is safer to use.
Description
Technical Field
The utility model relates to the field of time-delay power supply, in particular to a power supply device of electronic equipment.
Background
The electronic device is composed of electronic components such as an integrated circuit, a transistor, and a valve, and functions by applying electronic technology (including) software, and includes: computers, air conditioners, refrigerators, washing machines, microwave ovens, printers, etc.
The existing electronic equipment is usually started to directly work, 220V voltage is suddenly supplied to generate instant high voltage, and the equipment is not stably and directly work, so that the equipment is easy to work in doubt at the beginning, and improvement is needed.
Disclosure of Invention
The present utility model is directed to a power supply device for an electronic device, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an electronic device power supply apparatus comprising:
the fire zero line power supply module is used for supplying 220V alternating current through a fire wire and a zero line;
the step-down rectifying and filtering module is used for converting 220V alternating current into direct current;
the switch module is used for controlling the starting of the delay module;
the delay module is used for controlling the equipment triggering module to work after delay;
the equipment triggering module is used for triggering the fire zero line power supply module to supply power for the electronic equipment;
the fire zero line power supply module is connected with the step-down rectifying and filtering module and the equipment triggering module, the step-down rectifying and filtering module is connected with the switch module, the switch module is connected with the delay module and the equipment triggering module, and the delay module is connected with the equipment triggering module.
As still further aspects of the utility model: the fire zero line power supply module comprises a fire wire L and a zero line N, the step-down rectifying and filtering module comprises a transformer W, a diode D1, a diode D2, a diode D3, a diode D4, a capacitor C1, an inductor L1 and a resistor R1, wherein one end of an input end of the transformer W is connected with the fire wire L, the other end of the input end of the transformer W is connected with the zero line N, one end of an output end of the transformer W is connected with an anode of the diode D1 and a cathode of the diode D3, the other end of the output end of the transformer W is connected with an anode of the diode D2 and a cathode of the diode D4, the cathode of the diode D1 is connected with the cathode of the diode D2, the capacitor C1 and the inductor L1, and the other end of the resistor R1 is connected with the other end of the inductor L1 and the switching module.
As still further aspects of the utility model: the switch module comprises a switch S1, a resistor R1, a diode D5 and a capacitor C2, wherein one end of the switch S1 is connected with the buck rectifying and filtering module, the other end of the switch S1 is connected with the resistor R1, the other end of the resistor R1 is connected with the cathode of the diode D5, the capacitor C2 and the delay module, the anode of the diode D5 is grounded, and the other end of the capacitor C2 is grounded.
As still further aspects of the utility model: the time delay module comprises a timer U1, a resistor R2, a potentiometer RP1 and a capacitor C3, wherein a pin 4 of the timer U1 is connected with a pin 8 of the timer U1, the resistor R2 and a switch module, the other end of the resistor R2 is connected with the potentiometer RP1, the other end of the potentiometer RP1 is connected with a pin 2 of the timer U1, a pin 6 of the timer U1 and the capacitor C3, the other end of the capacitor C3 is grounded, a pin 1 of the timer U1 is grounded, and a pin 3 of the timer U1 is connected with the equipment triggering module.
As still further aspects of the utility model: the equipment triggering module comprises a resistor R3, a resistor R4, a diode D6, a triode V1 and a silicon controlled rectifier Z1, wherein one end of the resistor R3 is connected with an emitter of the triode V1, a switch module, the other end of the resistor R3 is connected with a resistor R4 and a base electrode of the triode V1, the other end of the resistor R4 is connected with an anode of the diode D6, a cathode of the diode D6 is connected with a time delay module, a collector of the triode V1 is connected with a control electrode of the silicon controlled rectifier Z1, an anode of the silicon controlled rectifier Z1 is connected with a live wire L, a cathode of the silicon controlled rectifier Z1 is connected with electronic equipment, and the other end of the electronic equipment is grounded.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the electronic equipment is delayed to work through the delay module, the result doubt of the electronic equipment is prevented when the electronic equipment starts to work, and meanwhile, the high-level work of the electronic equipment is controlled through the low level of the switch module, so that the electronic equipment is safer to use.
Drawings
Fig. 1 is a schematic diagram of a power supply device for an electronic apparatus.
Fig. 2 is a circuit diagram of a power supply device of an electronic device.
Fig. 3 is a pin diagram of a 555 timer.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
Referring to fig. 1, a power supply device for an electronic device includes:
the fire zero line power supply module is used for supplying 220V alternating current through a fire wire and a zero line;
the step-down rectifying and filtering module is used for converting 220V alternating current into direct current;
the switch module is used for controlling the starting of the delay module;
the delay module is used for controlling the equipment triggering module to work after delay;
the equipment triggering module is used for triggering the fire zero line power supply module to supply power for the electronic equipment;
the fire zero line power supply module is connected with the step-down rectifying and filtering module and the equipment triggering module, the step-down rectifying and filtering module is connected with the switch module, the switch module is connected with the delay module and the equipment triggering module, and the delay module is connected with the equipment triggering module.
In this embodiment: referring to fig. 2, the fire zero line power supply module includes a fire line L and a zero line N, the buck rectification filter module includes a transformer W, a diode D1, a diode D2, a diode D3, a diode D4, a capacitor C1, an inductor L1, and a resistor R1, one end of an input end of the transformer W is connected to the fire line L, the other end of the input end of the transformer W is connected to the zero line N, one end of an output end of the transformer W is connected to an anode of the diode D1 and a cathode of the diode D3, the other end of the output end of the transformer W is connected to an anode of the diode D2 and a cathode of the diode D4, the cathode of the diode D1 is connected to the cathode of the diode D2, the capacitor C1, the inductor L1, the anode of the diode D3 is connected to the anode of the diode D4, the other end of the capacitor C1, and the other end of the resistor R1 is connected to the other end of the inductor L1 and the switch module.
The live wire L and the zero line N are supplied with 220V alternating current, the transformer W steps down the 220V alternating current, the diode D1, the diode D2, the diode D3 and the diode D4 are current limiting diodes, the stepped down alternating current is rectified to obtain low-voltage direct current, and the low-voltage direct current is filtered through the capacitor C1 and the inductor L1.
In this embodiment: referring to fig. 2, the switch module includes a switch S1, a resistor R1, a diode D5, and a capacitor C2, one end of the switch S1 is connected to the buck rectifying filter module, the other end of the switch S1 is connected to the resistor R1, the other end of the resistor R1 is connected to the cathode of the diode D5, the capacitor C2, and the delay module, the anode of the diode D5 is grounded, and the other end of the capacitor C2 is grounded.
The switch S1 is a circuit main switch, indirectly controls the electronic equipment to work, and the diode D5 is a voltage stabilizing diode and provides stable voltage for the delay module. After the switch S1 is pressed, the delay module is powered on to work.
In this embodiment: referring to fig. 2 and 3, the delay module includes a timer U1, a resistor R2, a potentiometer RP1, and a capacitor C3, wherein a pin 4 of the timer U1 is connected to a pin 8 of the timer U1, the resistor R2, and a switch module, the other end of the resistor R2 is connected to the potentiometer RP1, the other end of the potentiometer RP1 is connected to a pin 2 of the timer U1, a pin 6 of the timer U1, and the capacitor C3, the other end of the capacitor C3 is grounded, a pin 1 of the timer U1 is grounded, and a pin 3 of the timer U1 is connected to the device triggering module.
The U1 type of the timer is 555 timer, and when one of the pins 2 and 6 is low, the pin 3 outputs high level; in this scheme, no. 2 pin, no. 6 pin, electric capacity C3 are connected, therefore when electric capacity C3 is low level, no. 3 pin output high level, and when electric capacity C3 is high level, no. 3 pin output low level.
When the delay module starts to work, no voltage (low level) is applied to the capacitor C3, and the capacitor C is charged through the resistor R2 and the potentiometer RP 1; at this time, the pin 3 outputs a high level; the continuous charging makes the voltage on the capacitor C3 become high level, and the pin 3 outputs low level.
In this embodiment: referring to fig. 2, the device triggering module includes a resistor R3, a resistor R4, a diode D6, a triode V1, and a thyristor Z1, wherein one end of the resistor R3 is connected with an emitter of the triode V1, and a switch module, the other end of the resistor R3 is connected with a resistor R4, a base of the triode V1, the other end of the resistor R4 is connected with an anode of the diode D6, a cathode of the diode D6 is connected with a delay module, a collector of the triode V1 is connected with a control electrode of the thyristor Z1, an anode of the thyristor Z1 is connected with a live wire L, a cathode of the thyristor Z1 is connected with an electronic device, and the other end of the electronic device is grounded.
When the pin 3 of the timer U1 outputs high level, the base electrode of the triode V1 is high level (obtained from the resistor R3) and is not conducted, the triode V1 is PNP triode, the base electrode is cut off when the base electrode is high level, and the base electrode is conducted when the base electrode is low level; when the pin 3 of the timer U1 outputs a low level, the base voltage of the triode V1 is discharged through the resistor R4, the current-limiting diode D6 and the pin 3 of the timer U1 and becomes a low level, so that the triode V1 is conducted, the silicon controlled rectifier Z1 is conducted, and the electronic equipment is electrically operated.
The working principle of the utility model is as follows: the fire zero line power supply module supplies 220V alternating current through a fire wire and a zero line, the voltage-reducing rectification filter module converts the 220V alternating current into direct current, the switch module controls the delay module to start, the equipment triggering module is controlled to work after the delay module delays, and the equipment triggering module works to trigger the fire zero line power supply module to supply power for electronic equipment.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. An electronic equipment power supply unit, characterized in that:
the electronic equipment power supply device comprises:
the fire zero line power supply module is used for supplying 220V alternating current through a fire wire and a zero line;
the step-down rectifying and filtering module is used for converting 220V alternating current into direct current;
the switch module is used for controlling the starting of the delay module;
the delay module is used for controlling the equipment triggering module to work after delay;
the equipment triggering module is used for triggering the fire zero line power supply module to supply power for the electronic equipment;
the fire zero line power supply module is connected with the step-down rectifying and filtering module and the equipment triggering module, the step-down rectifying and filtering module is connected with the switch module, the switch module is connected with the delay module and the equipment triggering module, and the delay module is connected with the equipment triggering module.
2. The power supply device of claim 1, wherein the fire zero line power supply module comprises a fire line L and a zero line N, the buck rectification filter module comprises a transformer W, a diode D1, a diode D2, a diode D3, a diode D4, a capacitor C1, an inductor L1 and a resistor R1, one end of an input end of the transformer W is connected with the fire line L, the other end of the input end of the transformer W is connected with the zero line N, one end of an output end of the transformer W is connected with an anode of the diode D1 and a cathode of the diode D3, the other end of the output end of the transformer W is connected with an anode of the diode D2 and a cathode of the diode D4, the cathode of the diode D1 is connected with the cathode of the diode D2, the capacitor C1 and the inductor L1, the anode of the diode D3 is connected with the anode of the diode D4, the other end of the capacitor C1, the resistor R1 and the other end of the resistor R1 is connected with the other end of the inductor L1 and the switch module.
3. The power supply device of claim 1, wherein the switch module includes a switch S1, a resistor R1, a diode D5, and a capacitor C2, one end of the switch S1 is connected to the buck rectifying filter module, the other end of the switch S1 is connected to the resistor R1, the other end of the resistor R1 is connected to the cathode of the diode D5, the capacitor C2, and the delay module, the anode of the diode D5 is grounded, and the other end of the capacitor C2 is grounded.
4. The power supply device of claim 1, wherein the delay module comprises a timer U1, a resistor R2, a potentiometer RP1, and a capacitor C3, pin 4 of the timer U1 is connected to pin 8 of the timer U1, the resistor R2, and the switch module, the other end of the resistor R2 is connected to the potentiometer RP1, the other end of the potentiometer RP1 is connected to pin 2 of the timer U1, pin 6 of the timer U1, and the capacitor C3, the other end of the capacitor C3 is grounded, pin 1 of the timer U1 is grounded, and pin 3 of the timer U1 is connected to the device triggering module.
5. The power supply device of claim 2, wherein the device triggering module comprises a resistor R3, a resistor R4, a diode D6, a triode V1, and a silicon controlled rectifier Z1, one end of the resistor R3 is connected with an emitter of the triode V1, the switch module, the other end of the resistor R3 is connected with a resistor R4 and a base of the triode V1, the other end of the resistor R4 is connected with an anode of the diode D6, a cathode of the diode D6 is connected with the delay module, a collector of the triode V1 is connected with a control electrode of the silicon controlled rectifier Z1, an anode of the silicon controlled rectifier Z1 is connected with a live wire L, a cathode of the silicon controlled rectifier Z1 is connected with the electronic device, and the other end of the electronic device is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320107004.4U CN219164542U (en) | 2023-02-03 | 2023-02-03 | Electronic equipment power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320107004.4U CN219164542U (en) | 2023-02-03 | 2023-02-03 | Electronic equipment power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219164542U true CN219164542U (en) | 2023-06-09 |
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ID=86638975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320107004.4U Active CN219164542U (en) | 2023-02-03 | 2023-02-03 | Electronic equipment power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219164542U (en) |
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2023
- 2023-02-03 CN CN202320107004.4U patent/CN219164542U/en active Active
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