CN2559163Y - Adjustable intermittent power supply converter - Google Patents
Adjustable intermittent power supply converter Download PDFInfo
- Publication number
- CN2559163Y CN2559163Y CN 02228527 CN02228527U CN2559163Y CN 2559163 Y CN2559163 Y CN 2559163Y CN 02228527 CN02228527 CN 02228527 CN 02228527 U CN02228527 U CN 02228527U CN 2559163 Y CN2559163 Y CN 2559163Y
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- circuit
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- chips
- power supply
- adjustable
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Abstract
The utility model relates to an adjustable intermitting power converter, which comprises a casing body 1, plugs 2, plug jack elastic pieces 3, a low voltage power circuit, a 555 chip, a timing adjustment circuit, and a bidirectional silicon controlled rectifier. One plug jack elastic piece 3 is connected with the plug 2, the bidirectional silicon controlled rectifier BCR is connected in series between the other plug jack elastic piece 3 and the other plug, the control electrode of the bidirectional silicon controlled rectifier BCR is connected with the bridge type circuit input point of the low voltage power circuit through a voltage regulation diode; the capacitor C # - <1> of a buck circuit not only provides a low voltage power for a circuit, and also provides a trigger current for the bidirectional silicon controlled rectifier BCR of a switching element; the pin 8 of the 555 chip is connected with the pin 4 thereof, the pin 1 of the 555 chip is respectively connected with the positive pole and the negative pole of the low voltage power circuit; the pin 2 of the 555 chip is connected with the pin 6 thereof, and the pin 3 is connected with the timing adjustment circuit. The utility model has the advantage that the zero-crossing trigger is adjustable, intermittent and accurate. The zero-crossing trigger bidirectional silicon controlled rectifier eliminates an impact current (surge current).
Description
Technical field
The utility model relates to power supply at a kind of intermittence, relates to a kind of household electrical appliance power supply changeover device at adjustable intermittence specifically.
Background technology
The benefit of fitful wind is well-known, and it not only is of value to healthy, and useful life energy-conservation and the prolongation matched with electric equipment.Why good for health fitful wind is, not only because it can be lowered the temperature, make human body avoid overheated hardship, and because it has the intermittent time of blowing, human body oneself of intercropping sometimes on physiology is adjusted, the people is avoided because of the long-time continuous blowing makes the hair bore closure produce discomfort, even cause a disease, particularly nighttime sleep blowing harm is bigger, even has the old man to be blown the example that electric fan causes death for a long time in sleep.
At present electric fan comprises that the computer electric fan is not real fitful wind electric fan, because its air quantity amplitude of variation is less, and the fitful wind weak effect, the electric fan of shaking the head was then because of shaking the head slow and stroking surface sweeping to amass excessive cooling-down effect poor.It is the not in place of " crossing 0 triggers " technology that the master who influences the success of fitful wind product sends out obstacle.The fitful wind electric fan needs continuous Switching Power Supply, and electric fan is an inductive load, can produce bigger impulse current (surge current) in switching process, and switch is impaired to be had a strong impact on switch life and make it to die young thereby make.
The key that solves impulse current be accurately " crossing 0 triggers " (alternating current is crossed 0 instantaneous trigger bidirectional triode thyristor and is closed and open, and realizes that the pause switch action carries out in power supply currentless moment.)。And the key that solves " cross 0 trigger " accuracy is to detect 0 and enough trigger currents are provided timely accurately.The realization of these two requirements particularly realizes having suitable difficulty simultaneously.Because the elimination impulse current, require switch motion to carry out in power supply currentless moment, need electric current and carry out switch motion itself, and the electric current that q.s arranged is, this is very difficult.
At present, do not have power supply changeover device at independently adjustable intermittence on the market, to electric fan produce fitful wind, any temperature adjustment of electric blanket, oxygen dispenser intermittently oxygen supply and with electric iron intermittently temperature adjustment etc. bring difficulty.
Summary of the invention
At above-mentioned difficulties, the purpose of this utility model be to provide a kind of adjustable, intermittently, the power supply changeover device at adjustable intermittence of " crossing 0 triggers " accurately.
To achieve these goals, the technical solution of the utility model is a power supply changeover device at adjustable intermittence, comprise housing 1, plug 2, socket aperture shell fragment 3, low-voltage power circuit, 555 chips, timing adjusting circuit, bidirectional triode thyristor, low-voltage power circuit comprises reduction voltage circuit, rectification circuit, filter circuit.One socket aperture shell fragment 3 links to each other with a plug 2, the bidirectional triode thyristor BCR that connects between another socket aperture shell fragment 3 and another plug 2, and the control utmost point of bidirectional triode thyristor BCR is connected with the bridge circuit input point of low-voltage power circuit by voltage stabilizing didoe; The capacitor C of reduction voltage circuit
1Both, provided trigger current for switch block bidirectional triode thyristor BCR again for circuit provides low-tension supply; 555 chips, 8 pin link to each other with 4 pin and are connected with the positive pole of low-voltage power circuit; 555 chips, 1 pin is connected with the negative pole of low-voltage power circuit; 555 chips, 2 pin link to each other with 6 pin with 3 pin respectively with the adjustable resistance R of timing adjusting circuit
1, capacitor C
2Be connected, circuit is positioned at housing 1.
555 chips, 7 pin connect indicator light 4, are connected through resistance and with the low-voltage power circuit positive pole.
The R of timing adjusting circuit
1The two ends diode of respectively connecting.
The switch 6 of connecting between one socket aperture shell fragment 3 and the plug 2.
555 chips, 4 pin are connected with the RC circuit.
555 chips, 4 pin are connected with photoelectric switching circuit.
555 chip low-voltage power circuit positive and negative polarities parallel connections, one 555 chips with little RC value timing adjusting circuit.
R
1Slide head and C
2Between seal in a potentiometer.
Because the utility model adopted 555 chips, the not only accurate timing but also accurately survey 0 of 555 chips has solved accurate mistake 0 and has triggered and the adjustable intermittent time; C
1Provide trigger current, low-tension supply; Cross 0 triggering bidirectional triode thyristor and eliminated impulse current (surge current).555 chip controls bidirectional triode thyristors, bidirectional triode thyristor make the socket aperture shell fragment disconnect mutually with plug and are communicated with, thereby play adjustable, function intermittently, adopt plug and female type, and are simple in structure, easy to use, can be connected with different electrical equipment.
Description of drawings
Fig. 1 is the utility model circuit theory schematic diagram
Fig. 2 is the utility model front view
Fig. 3 is Fig. 2 left view
Embodiment
The utility model low-voltage power circuit, 555 chips, RC circuit, photoelectric switching circuit etc. are prior art.But its combination function then is brand-new.
Embodiment 1: as shown in Figure 1, adjustable intermittence power supply changeover device, comprise housing 1, plug 2, socket aperture shell fragment 3, low-voltage power circuit, 555 chips, timing adjusting circuit, bidirectional triode thyristor, low-voltage power circuit comprises reduction voltage circuit, rectification circuit, filter circuit, one socket aperture shell fragment 3 links to each other with a plug 2, the bidirectional triode thyristor BCR that connects between another socket aperture shell fragment 3 and another plug 2, the control utmost point of bidirectional triode thyristor BCR is connected with the bridge circuit input point of low-voltage power circuit by voltage stabilizing didoe: the capacitor C of reduction voltage circuit
1Both, provided trigger current for switch block bidirectional triode thyristor BCR again for circuit provides low-tension supply; 555 chips, 8 pin link to each other with 4 pin and are connected with the positive pole of low-voltage power circuit; 555 chips, 1 pin is connected with the negative pole of low-voltage power circuit; 555 chips, 2 pin link to each other with 6 pin with 3 pin respectively with the adjustable resistance R of timing adjusting circuit
1, capacitor C
2Be connected, circuit is positioned at housing 1.555 chips, 7 pin connect indicator light 4, are connected through resistance and with the low-voltage power circuit positive pole.The R of timing adjusting circuit
1The two ends diode of respectively connecting.The switch 6 of connecting between one socket aperture shell fragment 3 and the plug 2.
Plug 2 connects civil power, and socket aperture shell fragment 3 is the output circuit closer.
The solution of the utility model success " cross 0 trigger " problem accurately, required cost of manufacture is not high yet.The technical solution of the utility model had both accurately detected 0 point by time-base circuit 555 as shown in Figure 1, provided timing signal again, by capacitor C
1Both, provided trigger current for switch block bidirectional triode thyristor BCR again for circuit provides low-tension supply.R
1C
2Be the timing adjusting device, by regulating R
1Ratio in the time of can changing the accounting for of open and close.For making the circuit compactness and minimizing cost, the utility model adopts the integral structure that integrates plug, fuselage, socket, during use plug is inserted in the commercial power socket, electric fan (or other electrical appliances) attaching plug is inserted in the socket of this device, and the potentiometer of suitably regulating on the fuselage can obtain suitable fitful wind (or temperature).Be used for electric fan hot summer days, cold day is used for electric blanket, but all the open clouds until dawn is opened use.
Embodiment 2: timing shutdown: utilize the controlled function of 555 chips the 4th pin, and after adding a RC circuit again and can realizing that the people is sleeping, machine shutdown automatically then at the fixed time.On embodiment 1 basis as shown in Figure 1,555 chips, 4 pin are connected with the RC circuit.
Embodiment 3: remote-control closedown: utilize the controlled function of 555 the 4th pin, add a photoelectric switching circuit again, can realize remote-control closedown.On embodiment 1 basis as shown in Figure 1,555 chips, 4 pin are connected with photoelectric switching circuit.
Embodiment 4: intermittently and speed governing: add one 555 or use 556 chips again, the frequency of oscillation that two chips are controlled is done suitably to arrange, cooperate with electric fan then, just can realize the effect of not only intermittence but also speed governing.On embodiment 1 basis as shown in Figure 1,555 chips with little RC value timing adjusting circuit in parallel between 555 chip low-voltage power circuit positive and negative polarities.
Embodiment 5: the resting period accounts for the time ratio and unites adjustment with switch: on embodiment 1 basis as shown in Figure 1, and R
1Slide head and C
2Between seal in a potentiometer.Transfer the resistance value of potentiometer, just can change the resting period, adjust R
1Still can change switch and account for the time ratio.
The utility model is to the control of high-power electric appliance: suitably adjust the parameter of relevant parts, just can realize the control to high-power electric appliance.
Claims (8)
1, adjustable intermittence power supply changeover device, comprise housing (1), plug (2), socket aperture shell fragment (3), low-voltage power circuit, 555 chips, timing adjusting circuit, bidirectional triode thyristor, low-voltage power circuit comprises reduction voltage circuit, rectification circuit, filter circuit, it is characterized in that: a socket aperture shell fragment (3) links to each other with a plug (2), the bidirectional triode thyristor BCR that connects between another socket aperture shell fragment (3) and another plug (2), the control utmost point of bidirectional triode thyristor BCR is connected with the bridge circuit input point of low-voltage power circuit by voltage stabilizing didoe; The capacitor C of reduction voltage circuit
1Both, provided trigger current for switch block bidirectional triode thyristor BCR again for circuit provides low-tension supply; 555 chips, 8 pin link to each other with 4 pin and are connected with the positive pole of low-voltage power circuit; 555 chips, 1 pin is connected with the negative pole of low-voltage power circuit; 555 chips, 2 pin link to each other with 6 pin with 3 pin respectively with the adjustable resistance R of timing adjusting circuit
1(5), capacitor C
2Be connected, circuit is positioned at housing (1).
2, adjustable intermittence according to claim 1 power supply changeover device, it is characterized in that: 555 chips, 7 pin connect indicator light (4), are connected through resistance and with the low-voltage power circuit positive pole.
3, adjustable intermittence according to claim 1 power supply changeover device, it is characterized in that: the R of timing adjusting circuit
1The two ends diode of respectively connecting.
4, adjustable intermittence according to claim 1 power supply changeover device, it is characterized in that: the switch (6) of connecting between a socket aperture shell fragment (3) and the plug (2).
5, adjustable intermittence according to claim 1 power supply changeover device, it is characterized in that: 555 chips, 4 pin are connected with the RC circuit.
6, adjustable intermittence according to claim 1 power supply changeover device, it is characterized in that: 555 chips, 4 pin are connected with photoelectric switching circuit.
7, adjustable intermittence according to claim 1 power supply changeover device, it is characterized in that: 555 chips with little RC value timing adjusting circuit in parallel between 555 chip low-voltage power circuit positive and negative polarities.
8, adjustable intermittence according to claim 1 power supply changeover device, it is characterized in that: R
1Slide head and C
2Between seal in a potentiometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02228527 CN2559163Y (en) | 2002-03-01 | 2002-03-01 | Adjustable intermittent power supply converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02228527 CN2559163Y (en) | 2002-03-01 | 2002-03-01 | Adjustable intermittent power supply converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2559163Y true CN2559163Y (en) | 2003-07-02 |
Family
ID=33705070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02228527 Expired - Fee Related CN2559163Y (en) | 2002-03-01 | 2002-03-01 | Adjustable intermittent power supply converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2559163Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101165632B (en) * | 2006-10-18 | 2010-06-02 | 国际商业机器公司 | System and method for predicating power event in intermittent power environment |
-
2002
- 2002-03-01 CN CN 02228527 patent/CN2559163Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101165632B (en) * | 2006-10-18 | 2010-06-02 | 国际商业机器公司 | System and method for predicating power event in intermittent power environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |