CN109769331A - A kind of three line compatible circuit of two line - Google Patents
A kind of three line compatible circuit of two line Download PDFInfo
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- CN109769331A CN109769331A CN201910213626.3A CN201910213626A CN109769331A CN 109769331 A CN109769331 A CN 109769331A CN 201910213626 A CN201910213626 A CN 201910213626A CN 109769331 A CN109769331 A CN 109769331A
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- 238000001514 detection method Methods 0.000 claims abstract description 42
- 239000004065 semiconductor Substances 0.000 claims description 34
- 230000005611 electricity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000470 constituent Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 241001465382 Physalis alkekengi Species 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Abstract
The present invention provides a kind of two line three line compatible circuits, comprising: rectification circuit, zero-crossing detection circuit, undervoltage detection circuit, driving circuit, MCU controller and power supply；The input terminal of rectification circuit is separately connected zero line and load end, and the output end of rectification circuit connects power supply；The input terminal of zero-crossing detection circuit is separately connected zero line and load end, the input terminal of the output end connection MCU controller of zero-crossing detection circuit；The input terminal of undervoltage detection circuit connects power supply；The output end of undervoltage detection circuit connects MCU controller；The input terminal of driving circuit connects MCU controller；The output end of driving circuit connects rectification circuit；When MCU controller detects the output voltage of undervoltage detection circuit lower than preset under-voltage value, MCU controller controls rectification circuit by driving circuit and closes output.The circuit can provide the compatibility and popularization rate of switch significantly, solve the puzzlement that user installation switch needs rewiring.
Description
Technical field
The present invention relates to switching technique fields, more particularly, to a kind of three line compatible circuit of two line.
Background technique
In smart home, today of intelligent lighting high speed development, light modulator, switch, intelligent mould group is using very universal.?
Country variant and area, architectural lighting route generally have two lines (single firewire), three lines (zero firewire) two different layouts.Such as figure
1, shown in Fig. 2.And the common controller in market almost only individually supports two lines or three-way layout.Have in i.e. existing control box
Only zero curve and firewire, some only have firewire, thus resulted in cannot whole compliant applications the problem of, lead to user experience not
It is good.
Summary of the invention
It is an object of the invention in view of the above problems in the prior art, provide one kind two lines, three line compatible circuit to be used for
Solve the deficiencies in the prior art.
Specifically, the embodiment of the invention provides a kind of three line compatible circuit of two line, a kind of three line compatible circuit of two line, packets
It includes: rectification circuit, zero-crossing detection circuit, undervoltage detection circuit, driving circuit, MCU controller and power supply；
The input terminal of the rectification circuit is separately connected zero line (L) and load end (L '), the rectification circuit it is defeated
Outlet connects the power supply；
The input terminal of the zero-crossing detection circuit is separately connected zero line (L) and load end (L '), the zero crossing
The output end of detection circuit connects the input terminal of the MCU controller；The zero-crossing detection circuit is for detecting alternating current zero crossing
Point；
The input terminal of the undervoltage detection circuit connects the power supply；Described in the output end connection of the undervoltage detection circuit
MCU controller；The input terminal of the driving circuit connects the MCU controller；Described in the output end connection of the driving circuit
Rectification circuit；When the MCU controller detects the output voltage of the undervoltage detection circuit lower than preset under-voltage value, institute
It states MCU controller and the rectification circuit closing output is controlled by the driving circuit.
As a further improvement of the above technical scheme, further includes: first diode；The anode of the first diode connects
Meet zero line side (N)；The cathode of the first diode connects the power supply.
As a further improvement of the above technical scheme, further includes: the second diode；The anode of second diode connects
Connect the output end of the rectification circuit；The cathode of second diode connects the power supply.
As a further improvement of the above technical scheme, the rectification circuit include: first diode, the second diode,
Third diode, the 4th diode and metal-oxide-semiconductor；The cathode of the anode of the first diode and the third diode is equal
It connects zero line (L), the cathode of the anode of second diode and the 4th diode is all connected with load end (L '), institute
The anode of the anode and the 4th diode of stating third diode is grounded, the cathode of the first diode and described
The cathode of second diode connects the drain electrode of the metal-oxide-semiconductor；The grid of the metal-oxide-semiconductor connects the driving circuit.
As a further improvement of the above technical scheme, the rectification circuit include: first diode, the second diode with
And first metal-oxide-semiconductor and the second metal-oxide-semiconductor；The drain electrode of the anode of the first diode and first metal-oxide-semiconductor is all connected with firewire
It holds (L), the drain electrode of the anode of second diode and second metal-oxide-semiconductor is all connected with load end (L '), the first MOS
The source grounding of the source electrode of pipe and second metal-oxide-semiconductor, the grid of first metal-oxide-semiconductor and second metal-oxide-semiconductor
Grid is all connected with the driving circuit.
As a further improvement of the above technical scheme, the rectification circuit selects rectifier.
Using technical solution provided by the invention, compared with existing well-known technique, at least having the following beneficial effects: makes
It obtains in the case where there was only single firewire or only zero curve and firewire, this wireless intelligent switch device can be installed, mentioned significantly
The popularization rate of intelligent switch has been supplied, while also having solved the puzzlement that user installation intelligent radio switch needs rewiring.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the connection schematic diagram of two line pull-switches；
Fig. 2 is the connection schematic diagram of three line pull-switches；
Fig. 3 is the electrical connection diagram for two line of one kind, the three line compatible circuit that one embodiment of the invention proposes；
Fig. 4 is the electrical connection diagram for two line of one kind, the three line compatible circuit that another embodiment of the present invention proposes.
Specific embodiment
Hereinafter, the various embodiments of the disclosure will be described more fully.The disclosure can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that: there is no disclosure protection scope is limited to specific reality disclosed herein
The intention of example is applied, but the disclosure should be interpreted as to all in the spirit and scope for covering the various embodiments for falling into the disclosure
Adjustment, equivalent and/or optinal plan.
Hereinafter, can the term " includes " used in the various embodiments of the disclosure or " may include " instruction disclosed in
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as existing
Used in the various embodiments of the disclosure, term " includes ", " having " and its cognate are meant only to indicate special characteristic, number
Word, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude first one or more other
Feature, number, step, operation, element, component or aforementioned item combined presence or increase one or more features, number,
Step, operation, element, component or aforementioned item combination a possibility that.
In the various embodiments of the disclosure, statement " at least one of A or/and B " includes the text listed file names with
Any combination or all combinations.For example, statement " A or B " or " at least one of A or/and B " may include A, may include B or can
Including A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the disclosure can be modified in various implementations
Various constituent element in example, but respective sets can not be limited into element.For example, the above statement is not intended to limit the suitable of the element
Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, the first user fills
It sets and indicates different user device with second user device, although the two is all user apparatus.For example, not departing from each of the disclosure
In the case where the range of kind embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first
Element.
It should also be noted that if a constituent element ' attach ' to another constituent element by description, it can be by the first composition member
Part is directly connected to the second constituent element, and " connection " third can form between the first constituent element and the second constituent element
Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that in the first constituent element
And second third constituent element is not present between constituent element.
The term used in the various embodiments of the disclosure " user " can be indicated using the people of electronic device or using electricity
The device (for example, artificial intelligence electronic device) of sub-device.
The term used in the various embodiments of the disclosure is used only for the purpose of describing specific embodiments and not anticipates
In the various embodiments of the limitation disclosure.Unless otherwise defined, otherwise all terms used herein (including technical term and
Scientific term) there is contain identical with the various normally understood meanings of embodiment one skilled in the art of the disclosure
Justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have in the related technical field
The identical meaning of situational meaning and Utopian meaning or meaning too formal will be interpreted as having, unless this
It is clearly defined in disclosed various embodiments.
Embodiment 1
As shown in figure 3, the embodiment of the invention provides a kind of three line compatible circuits of two line, comprising: rectification circuit, zero crossing
Detection circuit, undervoltage detection circuit, driving circuit, MCU controller and power supply；
The input terminal of rectification circuit is separately connected zero line (L) and load end (L '), the output end connection of rectification circuit
Power supply.
The input terminal of zero-crossing detection circuit is separately connected zero line (L) and load end (L '), zero-crossing detection circuit
Output end connection MCU controller input terminal；Zero-crossing detection circuit is for detecting ac zero-crossing point.
The input terminal of undervoltage detection circuit connects power supply；The output end of undervoltage detection circuit connects MCU controller；Driving electricity
The input terminal on road connects MCU controller；The output end of driving circuit connects rectification circuit；When MCU controller detects under-voltage inspection
When the output voltage of slowdown monitoring circuit is lower than preset under-voltage value, MCU controller controls rectification circuit by driving circuit and closes output.
In the present embodiment, two lines, three line compatible circuit further include: first diode D6；The anode of first diode D6 connects
Meet zero line side (N)；The cathode of first diode D6 connects power supply.
In the present embodiment, two lines, three line compatible circuit further include: the second diode D5；The anode of second diode D5 connects
Connect the output end of rectification circuit；The cathode of second diode D5 connects power supply.
D5 can prevent busbar voltage from flowing backward herein, D5, and D6 can prevent three-way layout L, N short circuit.
Rectification circuit specifically includes: first diode D1, the second diode D2, third diode D3, the 4th diode D4
And metal-oxide-semiconductor Q2；The anode of first diode D1 and the cathode of third diode D3 are all connected with zero line (L), the two or two pole
The cathode of the anode of pipe D2 and the 4th diode D4 are all connected with load end (L '), the anode and the four or two of third diode D3
The anode of pole pipe D4 is grounded, and the cathode of the cathode of first diode D1 and the second diode D2 connect the drain electrode of metal-oxide-semiconductor Q2；
The grid of metal-oxide-semiconductor Q2 connects driving circuit.
When voltage is lower than default under-voltage value on undervoltage detection circuit detection bus, MCU controller controls driving circuit and closes
The output of metal-oxide-semiconductor Q2.
The physical circuit of zero-crossing detection circuit, undervoltage detection circuit and driving circuit can use the prior art.
MCU controller is built-in with analog-digital converter and comparator, realizes under-voltage judgement by being built-in with analog-digital converter and comparator.
In two lines (single firewire) layout, in alternating current positive half cycle, electric current is by zero line (L) through D1, D5 to power supply to GND
For point through D4, lamps and lanterns return to zero line side (N)；In exchange negative half period, electric current is by zero line side (N) through lamps and lanterns, D2, D5 to power supply to GND
Point returns to zero line (L) through D3.Power supply is powered to whole system.
Embodiment 2
As shown in figure 4, the embodiment of the invention provides a kind of three line compatible circuits of two line, comprising: rectification circuit, zero crossing
Detection circuit, undervoltage detection circuit, driving circuit, MCU controller and power supply；
The input terminal of rectification circuit is separately connected zero line (L) and load end (L '), the output end connection of rectification circuit
Power supply.
The input terminal of zero-crossing detection circuit is separately connected zero line (L) and load end (L '), zero-crossing detection circuit
Output end connection MCU controller input terminal；Zero-crossing detection circuit is for detecting ac zero-crossing point.
The input terminal of undervoltage detection circuit connects power supply；The output end of undervoltage detection circuit connects MCU controller；Driving electricity
The input terminal on road connects MCU controller；The output end of driving circuit connects rectification circuit；When MCU controller detects under-voltage inspection
When the output voltage of slowdown monitoring circuit is lower than preset under-voltage value, MCU controller controls rectification circuit by driving circuit and closes output.
In the present embodiment, two lines, three line compatible circuit further include: the first protection diode D6；First protection diode D6
Anode connect zero line side (N)；The cathode of first protection diode D6 connects power supply.D6 can prevent three-way layout L, N short circuit.
In the present embodiment, rectification circuit specifically includes: first diode D1, the second diode D2 and the first metal-oxide-semiconductor
Q1 and the second metal-oxide-semiconductor Q2；The drain electrode of the anode of first diode D1 and the first metal-oxide-semiconductor Q1 are all connected with zero line (L), and the two or two
The drain electrode of the anode of pole pipe D2 and the second metal-oxide-semiconductor Q2 are all connected with load end (L '), the source electrode and second of the first metal-oxide-semiconductor Q1
The grid of the source grounding of metal-oxide-semiconductor Q2, the grid of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 are all connected with driving circuit.
In the present embodiment, using the effect of diode D3, D4 in the body diode alternate embodiment 1 of metal-oxide-semiconductor Q1, Q2.
The physical circuit of zero-crossing detection circuit, undervoltage detection circuit and driving circuit can use the prior art.
MCU controller is built-in with analog-digital converter and comparator, realizes under-voltage judgement by being built-in with analog-digital converter and comparator.
In other embodiments, rectification circuit can also select rectifier to realize.
Two lines, three line compatible circuit install in the case where there was only single firewire or only zero curve and firewire
Switching device provides the popularization rate of switch significantly, while also solving the puzzlement that user installation switch needs rewiring.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or
Process is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into
Row is distributed in the device of implement scene, can also be carried out corresponding change and is located at the one or more dresses for being different from this implement scene
In setting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Aforementioned present invention serial number is for illustration only, does not represent the superiority and inferiority of implement scene.Disclosed above is only the present invention
Several specific implementation scenes, still, the present invention is not limited to this, and the changes that any person skilled in the art can think of is all
Protection scope of the present invention should be fallen into.
Claims (6)
1. a kind of three line compatible circuit of two line characterized by comprising rectification circuit, zero-crossing detection circuit, under-voltage detection electricity
Road, driving circuit, MCU controller and power supply；
The input terminal of the rectification circuit is separately connected zero line (L) and load end (L '), the output end of the rectification circuit
Connect the power supply；
The input terminal of the zero-crossing detection circuit is separately connected zero line (L) and load end (L '), the zero-crossing examination
The output end of circuit connects the input terminal of the MCU controller；The zero-crossing detection circuit is for detecting ac zero-crossing point；
The input terminal of the undervoltage detection circuit connects the power supply；The output end of the undervoltage detection circuit connects the MCU
Controller；The input terminal of the driving circuit connects the MCU controller；The output end of the driving circuit connects the rectification
Circuit；It is described when the MCU controller detects the output voltage of the undervoltage detection circuit lower than preset under-voltage value
MCU controller controls the rectification circuit by the driving circuit and closes output.
2. two lines, three line compatible circuit according to claim 1, which is characterized in that further include: first diode；Described
The anode of one diode connects zero line side (N)；The cathode of the first diode connects the power supply.
3. two lines, three line compatible circuit according to claim 1, which is characterized in that further include: the second diode；Described
The anode of two diodes connects the output end of the rectification circuit；The cathode of second diode connects the power supply.
4. two lines, three line compatible circuit according to claim 1, which is characterized in that the rectification circuit includes: the one or two
Pole pipe, the second diode, third diode, the 4th diode and metal-oxide-semiconductor；The anode of the first diode and described
The cathode of three diodes is all connected with zero line (L), and the cathode of the anode of second diode and the 4th diode is equal
It connecting load end (L '), the anode of the anode of the third diode and the 4th diode is grounded, and the described 1st
The cathode of the cathode of pole pipe and second diode connects the drain electrode of the metal-oxide-semiconductor；Described in the grid connection of the metal-oxide-semiconductor
Driving circuit.
5. two lines, three line compatible circuit according to claim 1, which is characterized in that the rectification circuit includes: the one or two
Pole pipe, the second diode and the first metal-oxide-semiconductor and the second metal-oxide-semiconductor；The anode of the first diode and first metal-oxide-semiconductor
Drain electrode be all connected with zero line (L), the drain electrode of the anode of second diode and second metal-oxide-semiconductor is all connected with load end
(L '), the source grounding of the source electrode of first metal-oxide-semiconductor and second metal-oxide-semiconductor, the grid of first metal-oxide-semiconductor and
The grid of second metal-oxide-semiconductor is all connected with the driving circuit.
6. two lines, three line compatible circuit according to claim 1, which is characterized in that the rectification circuit selects rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213626.3A CN109769331A (en) | 2019-03-20 | 2019-03-20 | A kind of three line compatible circuit of two line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213626.3A CN109769331A (en) | 2019-03-20 | 2019-03-20 | A kind of three line compatible circuit of two line |
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| Publication Number | Publication Date |
|---|---|
| CN109769331A true CN109769331A (en) | 2019-05-17 |
Family
ID=66458531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910213626.3A Pending CN109769331A (en) | 2019-03-20 | 2019-03-20 | A kind of three line compatible circuit of two line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110366296A (en) * | 2019-07-29 | 2019-10-22 | 深圳市福瑞新科技有限公司 | Pass through the controller of power line communication, LED lamp and LED control system |
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