CN207339810U - A kind of power supply delay control circuit - Google Patents
A kind of power supply delay control circuit Download PDFInfo
- Publication number
- CN207339810U CN207339810U CN201720976523.9U CN201720976523U CN207339810U CN 207339810 U CN207339810 U CN 207339810U CN 201720976523 U CN201720976523 U CN 201720976523U CN 207339810 U CN207339810 U CN 207339810U
- Authority
- CN
- China
- Prior art keywords
- resistance
- semiconductor
- oxide
- metal
- power supply
- 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.)
- Active
Links
Abstract
A kind of power supply delay control circuit is the utility model is related to, including：Power input portion, RC delay circuits and power outputting section；The power input portion includes power supply, series resistance R2, series resistance R3, metal-oxide-semiconductor MD2, power button K1, the resistance R1 and R4 of first power button K1 series connection；The RC delay circuits include resistance R5 and capacitance C1 parallel with one another；The power outputting section includes metal-oxide-semiconductor MD1, and the grid of the metal-oxide-semiconductor MD1 is connected with the resistance R2, and source electrode is connected with the power supply.The utility model by using capacitance charge-discharge characteristic, design RC delay circuits part, to circuit into line delay, capacitance resistance value can be matched according to required delay time, the function of power supply delays time to control can be realized, after lower switch, it is possible to achieve the delay of power supply output, the delay circuit is simple and reliable, largely reduces production cost.
Description
Technical field
The utility model belongs to power supply control technology field, more particularly to a kind of power supply delay control circuit.
Background technology
Modern society, electronic equipment greatly facilitates the life of people, and the use of delay circuit can make our life
More automation and intelligence living.For example, corridor, corridor and road both sides can control putting out for electric light by delay circuit
Go out, illumination is realized automatically controlling for " people Lai Dengliang, people putting out from lamp " substantially.Itself is so not only facilitated, but also has saved electricity
Energy.In addition, as the household electrical appliance such as washing machine, micro-wave oven and electric cooker are also to have used delay circuit, as long as being set again by upper switch
Timing is put to realize reservation function, and you then can be physically and mentally put into study and work.Also in industrial automation
Also delay circuit is applied to, all kinds of delay circuits can make people away from danger zone.It can be seen from the above that adjustable delay circuit is in electronics
Have great application prospect in control system, in the prior art, most of existing switch is not with delays time to control work(
Can, in this way, user needs the real-time operation short time to keep the electronic equipment of functional operation, this can not only give user with
Carry out cumbersome muscle power work, and if frequently malfunction occurs for switch, because there is no a delay function, electronic equipment switch-on and -off,
Easily it is damaged.Therefore, the prior art needs to improve.
The content of the invention
In order to solve the above problem existing in the prior art, the utility model discloses a kind of power supply delay control circuit,
Including：
Power input portion, RC delay circuits and power outputting section；
The power input portion includes power supply, series resistance R2, series resistance R3, metal-oxide-semiconductor MD2, power button K1, member
The resistance R1 and R4 of power button K1 series connection, after the power button K1 presses connection, the series resistance R2, series resistance
The series circuit that R3, metal-oxide-semiconductor MD2 are formed is in parallel with the series resistance that first power button K1, resistance R1 and the resistance R4 are formed,
The drain electrode connection resistance R2 and resistance R3 of the MOS pipes MD2, source electrode ground connection, the metal-oxide-semiconductor MD2 conductings；
The RC delay circuits include resistance R5 and capacitance C1 parallel with one another, diode D1, the resistance R5 and capacitance
Connect with the diode D1 after C1 parallel connections, and be connected with the grid of metal-oxide-semiconductor MD2, it is described when the power button K1 is pressed
Capacitance C1 charges, and when the power button K1 is opened, the resistance R5 and capacitance C1 carry out discharge lag, the diode D1
For preventing capacitance C1 to resistance R4 repid discharges, the error of delay time is caused；
The power outputting section includes metal-oxide-semiconductor MD1, and the grid of the metal-oxide-semiconductor MD1 is connected with the resistance R2, source electrode
It is connected, is drained as output circuit with the power supply, after the metal-oxide-semiconductor MD2 is turned on, described in the partial pressure driving of the resistance R2
Metal-oxide-semiconductor MD1 is turned on, output voltage.
Compared with prior art, the utility model has the following advantages：
The utility model is by using the charge-discharge characteristic of capacitance, design RC delay circuits part, to circuit into line delay,
Capacitance resistance value can be matched according to required delay time, can realize the function of power supply delays time to control, press out
Guan Hou, it is possible to achieve the delay of power supply output, oneself desired delay time can be set by matching capacitance resistance value, and
The delay circuit is simple and reliable, largely reduces production cost.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or the attached drawing used in description of the prior art does one and simply introduces.
Fig. 1 is the structure diagram of one embodiment of the power supply delay control circuit of the utility model.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is only the utility model part of the embodiment, instead of all the embodiments.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without making creative work, all
Belong to the scope of the utility model protection.
Fig. 1 is a kind of structure diagram of power supply delay control circuit of the utility model, as shown in Figure 1, the power supply
Delay control circuit includes：
Power input portion, RC delay circuits and power outputting section；
The power input portion includes power supply, series resistance R2, series resistance R3, metal-oxide-semiconductor MD2, power button K1, member
The resistance R1 and R4 of power button K1 series connection, after the power button K1 presses connection, the series resistance R2, series resistance
The series circuit that R3, metal-oxide-semiconductor MD2 are formed is in parallel with the series resistance that first power button K1, resistance R1 and the resistance R4 are formed,
The drain electrode connection resistance R2 and resistance R3 of the MOS pipes MD2, source electrode ground connection, the metal-oxide-semiconductor MD2 conductings；
The RC delay circuits include resistance R5 and capacitance C1 parallel with one another, diode D1, the resistance R5 and capacitance
Connect with the diode D1 after C1 parallel connections, and be connected with the grid of metal-oxide-semiconductor MD2, it is described when the power button K1 is pressed
Capacitance C1 charges, and when the power button K1 is opened, the resistance R5 and capacitance C1 carry out discharge lag, the diode D1
For preventing capacitance C1 to resistance R4 repid discharges, the error of delay time is caused；
The power outputting section includes metal-oxide-semiconductor MD1, and the grid of the metal-oxide-semiconductor MD1 is connected with the resistance R2, source electrode
It is connected, is drained as output circuit with the power supply, after the metal-oxide-semiconductor MD2 is turned on, described in the partial pressure driving of the resistance R2
Metal-oxide-semiconductor MD1 is turned on, output voltage.
The selection of the capacitance C1, resistance R5 of divider resistance R4 and RC circuit determine the performance of power supply delay control circuit,
The selection of divider resistance R4 need to meet not only to have ensured the fully on of metal-oxide-semiconductor but also its cannot be made breakdown, pass through matching capacitance C1, electricity
Resistance R5 can set the time to be delayed.
A kind of power supply delay control circuit provided by the utility model is described in detail above, it is used herein
Specific case is set forth the principle and embodiment of the utility model, and the explanation of above example is only intended to help
Understand the method and its core concept of the utility model；Meanwhile for those of ordinary skill in the art, according to the utility model
Thought, there will be changes in specific embodiments and applications, in conclusion this specification content should not be understood
For the limitation to the utility model.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Equivalent substitution is carried out, where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (1)
- A kind of 1. power supply delay control circuit, it is characterised in that including：Power input portion, RC delay circuits and power supply output Part；The power input portion includes power supply, series resistance R2, series resistance R3, metal-oxide-semiconductor MD2, power button K1, first power supply Button K1 series connection resistance R1 and R4, after the power button K1 presses connection, the series resistance R2, series resistance R3, The series circuit that metal-oxide-semiconductor MD2 is formed is in parallel with the series resistance that first power button K1, resistance R1 and the resistance R4 are formed, institute State the drain electrode connection resistance R2 and resistance R3 of metal-oxide-semiconductor MD2, source electrode ground connection, the metal-oxide-semiconductor MD2 conductings；The RC delay circuits include resistance R5 and capacitance C1 parallel with one another, diode D1, and the resistance R5 and capacitance C1 are simultaneously Connect with the diode D1 after connection, and be connected with the grid of metal-oxide-semiconductor MD2, when the power button K1 is pressed, the capacitance C1 charges, and when the power button K1 is opened, the resistance R5 and capacitance C1 carry out discharge lag, and the diode D1 is used for Capacitance C1 is prevented to resistance R4 repid discharges, causes the error of delay time；The power outputting section includes metal-oxide-semiconductor MD1, and the grid of the metal-oxide-semiconductor MD1 is connected with the resistance R2, source electrode and institute Power supply connection is stated, is drained as output circuit, after the metal-oxide-semiconductor MD2 is turned on, the partial pressure driving metal-oxide-semiconductor of the resistance R2 MD1 is turned on, output voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720976523.9U CN207339810U (en) | 2017-08-07 | 2017-08-07 | A kind of power supply delay control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720976523.9U CN207339810U (en) | 2017-08-07 | 2017-08-07 | A kind of power supply delay control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339810U true CN207339810U (en) | 2018-05-08 |
Family
ID=62377504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720976523.9U Active CN207339810U (en) | 2017-08-07 | 2017-08-07 | A kind of power supply delay control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207339810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980077A (en) * | 2018-07-11 | 2018-12-11 | 孝感卓尔网络科技有限公司 | A kind of radiator fan device of delays time to control computer |
-
2017
- 2017-08-07 CN CN201720976523.9U patent/CN207339810U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980077A (en) * | 2018-07-11 | 2018-12-11 | 孝感卓尔网络科技有限公司 | A kind of radiator fan device of delays time to control computer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105182802B (en) | It is a kind of based on manually and radio double-control switching system and its control method | |
| CN203909514U (en) | Switch system based on manual and wireless double control | |
| CN207339810U (en) | A kind of power supply delay control circuit | |
| CN101980405B (en) | Multi-purpose time delay power supply socket manufactured by using time base circuit | |
| CN203870427U (en) | Low-electricity consumption control circuit in standby state | |
| CN104753327A (en) | Switching power supply | |
| CN107148132B (en) | Single live wire on-state power taking circuit | |
| CN110811282A (en) | Control circuit and control method for rice and soup function | |
| CN204515451U (en) | Learning-oriented scene panel circuit | |
| CN101737820B (en) | Energy and electricity saving microwave oven | |
| CN110086162A (en) | Anti-reverse connection circuit of direct current power supply with self-test interlocking anti-interference function | |
| CN201845967U (en) | Multipurpose time-delay power socket manufactured by time-base circuit | |
| CN104902631A (en) | Time-delay touch switch for intelligent household appliances | |
| CN108702823A (en) | LED drive circuit, LED light device and electronic equipment | |
| CN205124051U (en) | Wireless light operator with flush mounting plate of switch | |
| CN203675133U (en) | Intelligent home system with area bus power supply and local wireless power supply combined | |
| CN103841711B (en) | A kind of LED emergence lighting lamp and drive circuit thereof | |
| CN205378314U (en) | Single live wire switch cross complaint system based on z -wave technique | |
| CN103888697B (en) | TV standby zero-power solid-state relay | |
| CN104298154A (en) | Public kitchen electric control and lamp control system based on single chip microcomputer | |
| CN203136256U (en) | Wireless remote control digital light modulator | |
| CN200993910Y (en) | Power switch delay circuit device | |
| CN203941429U (en) | The control circuit of producing for controlling pcb board | |
| CN108270426A (en) | A kind of Zero-power-consumption standby power down switch module with button switch | |
| CN207067701U (en) | A kind of inexpensive timer module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 Tongsha New Industrial Park, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: Guangdong Boliwei Technology Co., Ltd. Address before: 523000 new industrial zone, Dongcheng District, Guangdong, Dongguan Patentee before: DongGuan Greenway Battery Co., Ltd. |