CN209132405U - Switching-on and switching-off state detection circuit - Google Patents
Switching-on and switching-off state detection circuit Download PDFInfo
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- CN209132405U CN209132405U CN201821560664.3U CN201821560664U CN209132405U CN 209132405 U CN209132405 U CN 209132405U CN 201821560664 U CN201821560664 U CN 201821560664U CN 209132405 U CN209132405 U CN 209132405U
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Abstract
This application discloses a kind of switching-on and switching-off state detection circuits.It include: the first signal processing unit, second signal processing unit, the LED light group being connect with first signal processing unit and the buzzer being connect with the second signal processing unit, the receiving end of first signal processing unit is connect with outside source, the output end of first signal processing unit is connect with the receiving end of the LED light group, the receiving end of the second signal processing unit is connect with outside source, and the output end of the second signal processing unit is connect with the receiving end of the buzzer；In such a way that the first signal processing unit and second signal processing unit are set, it is connect by the first signal processing unit with LED light group, second signal processing unit is connect with buzzer, achieve the purpose that intuitively to show switching-on and switching-off state by light and sound, and then has solved the problems, such as that cannot carry out detection and displaying to state in the related technology causes circuit to cause to burn out loss.
Description
Technical field
This application involves electronic circuit fields, in particular to a kind of switching-on and switching-off state detection circuit.
Background technique
With existing market electronic product diversification, power switch in the related technology is fine due to that cannot carry out to state
Detection and displaying, be easy to cause circuit to cause to burn out loss.It is annual because client's maloperation causes circuit chip to burn out and outside
There are many case that portion's equipment is burnt out, this not only spends a large amount of manpower to go to repair, and electric appliance improper use causes fire, also causes production
The public users of product experience bad influence.
Therefore, it is badly in need of a kind of switching-on and switching-off state detection circuit, to solve in the related technology to detect state
Circuit is caused to cause the problem of burning out loss with displaying.
Utility model content
The main purpose of the application is to provide a kind of switching-on and switching-off state detection circuit, to solve in the related technology cannot
Carrying out detection and displaying to state causes circuit to cause the problem of burning out loss.
To achieve the goals above, according to the one aspect of the application, a kind of switching-on and switching-off state detection circuit is provided.
Switching-on and switching-off state detection circuit according to the application includes: the first signal processing unit, second signal processing list
Member, the LED light group being connect with first signal processing unit and the buzzer being connect with the second signal processing unit, institute
The receiving end for stating the first signal processing unit is connect with outside source, the output end of first signal processing unit with it is described
The receiving end of LED light group connects, and the receiving end of the second signal processing unit is connect with outside source, the second signal
The output end of processing unit is connect with the receiving end of the buzzer.
Further, first signal processing unit includes the first on-off management module for controlling current switching,
The first on-off management module includes the PMOS tube for controlling electric current one-way conduction and the NPN type three for amplifying electric signal
Pole pipe, the source electrode of the PMOS tube are connect with the outside source, and the drain electrode of the PMOS tube is connect with external power supply, described
The grid of PMOS tube is connect with the collector of the NPN type triode.
Further, first signal processing unit includes the 4th divider resistance for partial pressure, the 4th partial pressure
Resistance series connection is set between the outside source and the source electrode of the PMOS tube.
Further, the first on-off management module further includes the first divider resistance for partial pressure, and described first point
Piezoresistance is arranged in parallel between the grid and the external power supply of the PMOS tube.
Further, first signal processing unit includes the first partial pressure adjustment module for adjusting voltage, described
Second divider resistance that first partial pressure adjustment module includes at least one for partial pressure, second divider resistance be arranged in series in
Between the base stage of the NPN type triode and the LED light group.
Further, the first partial pressure adjustment module further includes at least one third divider resistance for partial pressure, institute
Third divider resistance is stated to be arranged in parallel between the emitter and the LED light group of the NPN type triode.
Further, the second signal processing unit includes the electrostatic protection mould for carrying out antistatic protection to electric current
Block, the electrostatic protection module includes zener diode, and the outside source is accessed in one end of the zener diode, another
End is connect with zero potential point DGND.
Further, the second signal processing unit includes for filtering off at the filtering of the ripple in rectifier output voltage
Module is managed, the filtering processing module includes the 5th resistance and first capacitor, and one end of the 5th resistance is arranged in parallel in institute
It states between outside source and the receiving end of the buzzer, the other end of the 5th resistance accesses external power supply, and described the
One end of one capacitor is arranged in parallel between the outside source and the receiving end of the buzzer, the other end and zero potential point
DGND connection.
Further, the second signal processing unit includes the 6th resistance for partial pressure, the 6th resistance series connection
It is set between the outside source and the receiving end of the buzzer.
Further, the buzzer includes the diode for control circuit one-way conduction.
In the embodiment of the present application, in such a way that the first signal processing unit and second signal processing unit are set, lead to
The first signal processing unit is crossed to connect with LED light group, second signal processing unit is connect with buzzer, reached through light and
Sound intuitively shows the purpose of switching-on and switching-off state, and then solves and cannot state be detected and be shown in the related technology
Circuit is caused to cause the problem of burning out loss.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present application, so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not
Constitute the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the circuit diagram according to herein described switching-on and switching-off state detection circuit；
Fig. 2 is the module diagram according to herein described switching-on and switching-off state detection circuit；And
Fig. 3 is the circuit diagram according to herein described buzzer.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
In this application, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside",
" in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or
Positional relationship.These terms are not intended to limit indicated dress primarily to better describe the application and embodiment
Set, element or component must have particular orientation, or constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in this application can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected ", " socket " shall be understood in a broad sense.For example,
It may be a fixed connection, be detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be direct phase
It even, or indirectly connected through an intermediary, or is two connections internal between device, element or component.
For those of ordinary skills, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It as depicted in figs. 1 and 2, include: the first signal processing list this application involves a kind of switching-on and switching-off state detection circuit
Member, second signal processing unit, the LED light group being connect with first signal processing unit and single with second signal processing
The buzzer of member connection, the receiving end of first signal processing unit are connect with outside source, first signal processing
The output end of unit is connect with the receiving end of the LED light group, the receiving end of the second signal processing unit and external signal
Source connection, the output end of the second signal processing unit are connect with the receiving end of the buzzer.
Preferably, electric current is transmitted to first signal processing unit and described through plug connector by the outside source
Binary signal processing unit.
In the other embodiments of the application, the LED light group is also possible to other and is able to carry out the electronics that light is shown
Setting, the buzzer are also possible to other electronic equipments that can play sound, and the application is handled without limitation.
In some embodiments of the present application, first signal processing unit includes first for controlling current switching
On-off management module, the first on-off management module include PMOS tube for controlling electric current one-way conduction and for amplifying electricity
The NPN type triode of signal, the source electrode of the PMOS tube are connect with the outside source, the drain electrode of the PMOS tube and outside
Power supply connection, the grid of the PMOS tube are connect with the collector of the NPN type triode.
Preferably, the PMOS refers to n-type substrate, p-channel, the metal-oxide-semiconductor of electric current is transported by the flowing in hole, in the application
In attached drawing 1, the POMS pipe refers to Q2.
Preferably, the NPN type triode is made of three block semiconductors, wherein two pieces of N-types and one piece of P-type semiconductor group
At P-type semiconductor is in centre, and two pieces of N-type semiconductors are in two sides.Triode is most important device in electronic circuit, it is most main
The function of wanting is Current amplifier and on-off action, and in illustrations 1, the NPN type triode refers to Q3.
In some embodiments of the present application, first signal processing unit includes the 4th partial pressure electricity for partial pressure
Resistance, the 4th divider resistance is arranged in series between the outside source and the source electrode of the PMOS tube, attached in the application
In Fig. 1, the 4th divider resistance refers to R13.
In some embodiments of the present application, the first on-off management module further includes the first partial pressure electricity for partial pressure
Resistance, first divider resistance is arranged in parallel between the grid and the external power supply of the PMOS tube, in illustrations 1
In, first divider resistance refers to R14.
In some embodiments of the present application, first signal processing unit includes the first partial pressure for adjusting voltage
Adjustment module, the first partial pressure adjustment module include at least one second divider resistance for partial pressure, second partial pressure
Resistance series connection is set between the base stage of the NPN type triode and the LED light group, in illustrations 1, described second
Divider resistance refers to R16.
In some embodiments of the present application, the first partial pressure adjustment module further includes at least one for partial pressure the
Three divider resistances, the third divider resistance be arranged in parallel in the NPN type triode emitter and the LED light group it
Between, in illustrations 1, the third divider resistance refers to R22.
In some embodiments of the present application, the second signal processing unit includes for carrying out antistatic guarantor to electric current
The electrostatic protection module of shield, the electrostatic protection module includes zener diode, described in one end access of the zener diode
Outside source, the other end are connect with zero potential point DGND, and in illustrations 1, the zener diode refers to D7.
In some embodiments of the present application, the second signal processing unit includes for filtering off in rectifier output voltage
Ripple filtering processing module, the filtering processing module include the 5th resistance and first capacitor, the one of the 5th resistance
End is arranged in parallel between the outside source and the receiving end of the buzzer, and the other end access of the 5th resistance is outer
Portion's power supply, one end of the first capacitor are arranged in parallel between the outside source and the receiving end of the buzzer, separately
One end is connect with zero potential point DGND, and in illustrations 1, the 5th resistance refers to R18, and the first capacitor refers to C14.
In some embodiments of the present application, the second signal processing unit includes the 6th resistance for partial pressure, institute
The series connection of the 6th resistance is stated to be set between the outside source and the receiving end of the buzzer, in illustrations 1, institute
It states the 6th resistance and refers to R20.
In some embodiments of the present application, as shown in figure 3, the buzzer includes for control circuit one-way conduction
Diode, in illustrations 3, the diode refers to D1.
Preferably, the buzzer is additionally provided with the PNP type triode Q1 for amplified signal, for adjusting voltage
Seven resistance R5 and R6.
The device working principle is as described below:
The optical control signal of outside source described herein is transmitted into described herein first by connector
Signal processing unit first passes through the resistance R13 being arranged in series and carries out voltage division processing, then by by PMOS tube Q2 and NPN type three
First on-off management module of pole pipe Q3 composition carries out on-off control, then via divider resistance R16 and divider resistance R22 composition
First partial pressure adjustment module carries out voltage adjusting, is finally transmitted in LED light group；By connector by outside described herein
The acoustic control signal of signal source is transmitted into second signal processing unit described herein, passes through what is be made of zener diode D7
Electrostatic protection module carries out antistatic protection processing, then carries out via the filtering processing module that resistance R18 and capacitor C14 is formed
The filtering processing of signal is transmitted in buzzer after finally dividing via the divider resistance R20 being arranged in series.
It can be seen from the above description that the application realizes following technical effect:
In the embodiment of the present application, in such a way that the first signal processing unit and second signal processing unit are set, lead to
The first signal processing unit is crossed to connect with LED light group, second signal processing unit is connect with buzzer, reached through light and
Sound intuitively shows the purpose of switching-on and switching-off state, and then solves and cannot state be detected and be shown in the related technology
Circuit is caused to cause the problem of burning out loss.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of switching-on and switching-off state detection circuit characterized by comprising the first signal processing unit, second signal processing
Unit, the LED light group being connect with first signal processing unit and the buzzer being connect with the second signal processing unit,
The receiving end of first signal processing unit is connect with outside source, the output end of first signal processing unit and institute
The receiving end connection of LED light group is stated, the receiving end of the second signal processing unit is connect with outside source, second letter
The output end of number processing unit is connect with the receiving end of the buzzer.
2. switching-on and switching-off state detection circuit according to claim 1, which is characterized in that first signal processing unit
Including the first on-off management module for controlling current switching, the first on-off management module includes for controlling electric current list
NPN type triode to the PMOS tube of conducting and for amplifying electric signal, the source electrode of the PMOS tube and the outside source
Connection, the drain electrode of the PMOS tube are connect with external power supply, the collector of the grid of the PMOS tube and the NPN type triode
Connection.
3. switching-on and switching-off state detection circuit according to claim 2, which is characterized in that first signal processing unit
Including the 4th divider resistance for partial pressure, the 4th divider resistance is arranged in series in the outside source and the PMOS
Between the source electrode of pipe.
4. switching-on and switching-off state detection circuit according to claim 2, which is characterized in that the first on-off management module
Further include the first divider resistance for partial pressure, first divider resistance be arranged in parallel grid in the PMOS tube with it is described
Between external power supply.
5. switching-on and switching-off state detection circuit according to claim 2, which is characterized in that first signal processing unit
Including the first partial pressure adjustment module for adjusting voltage, the first partial pressure adjustment module includes at least one for partial pressure
Second divider resistance, second divider resistance be arranged in series in the NPN type triode base stage and the LED light group it
Between.
6. switching-on and switching-off state detection circuit according to claim 5, which is characterized in that the first partial pressure adjustment module
It further include at least one third divider resistance for partial pressure, the third divider resistance is arranged in parallel in three pole of NPN type
Between the emitter of pipe and the LED light group.
7. switching-on and switching-off state detection circuit according to claim 1, which is characterized in that the second signal processing unit
Including the electrostatic protection module for carrying out antistatic protection to electric current, the electrostatic protection module includes zener diode, institute
The outside source is accessed in the one end for stating zener diode, and the other end is connect with zero potential point DGND.
8. switching-on and switching-off state detection circuit according to claim 7, which is characterized in that the second signal processing unit
Including the filtering processing module for filtering off the ripple in rectifier output voltage, the filtering processing module include the 5th resistance and
One end of first capacitor, the 5th resistance is arranged in parallel between the outside source and the receiving end of the buzzer,
The other end of 5th resistance accesses external power supply, one end of the first capacitor be arranged in parallel in the outside source with
Between the receiving end of the buzzer, the other end is connect with zero potential point DGND.
9. switching-on and switching-off state detection circuit according to claim 7, which is characterized in that the second signal processing unit
Including the 6th resistance for partial pressure, the 6th resistance series connection is set to the reception of the outside source Yu the buzzer
Between end.
10. switching-on and switching-off state detection circuit according to claim 1, which is characterized in that the buzzer includes being used for
The diode of control circuit one-way conduction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821560664.3U CN209132405U (en) | 2018-09-25 | 2018-09-25 | Switching-on and switching-off state detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821560664.3U CN209132405U (en) | 2018-09-25 | 2018-09-25 | Switching-on and switching-off state detection circuit |
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| Publication Number | Publication Date |
|---|---|
| CN209132405U true CN209132405U (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821560664.3U Active CN209132405U (en) | 2018-09-25 | 2018-09-25 | Switching-on and switching-off state detection circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116267A (en) * | 2018-09-25 | 2019-01-01 | 希格斯动力科技（珠海）有限公司 | Switching-on and switching-off state detection circuit |
| CN111784877A (en) * | 2020-06-29 | 2020-10-16 | 深圳市亿联智能有限公司 | Based on fingerprint lock single button control warning tone circuit |
-
2018
- 2018-09-25 CN CN201821560664.3U patent/CN209132405U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116267A (en) * | 2018-09-25 | 2019-01-01 | 希格斯动力科技（珠海）有限公司 | Switching-on and switching-off state detection circuit |
| CN111784877A (en) * | 2020-06-29 | 2020-10-16 | 深圳市亿联智能有限公司 | Based on fingerprint lock single button control warning tone circuit |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191120 Address after: No. 15, Xizhan community, Xiangyang District, Jiamusi City, Heilongjiang Province Patentee after: Jiamusi aoyi Intelligent Technology Co., Ltd Address before: 100029 Chuangfu Hong Kong Dollar Zongchuang Industrial Park 3008, Nankou, Huixin West Street, Chaoyang District, Beijing Patentee before: Higgs Power Technology (Zhuhai) Co., Ltd. |
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| TR01 | Transfer of patent right |