CN209072340U - Voltage processing unit - Google Patents
Voltage processing unit Download PDFInfo
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- CN209072340U CN209072340U CN201821140417.8U CN201821140417U CN209072340U CN 209072340 U CN209072340 U CN 209072340U CN 201821140417 U CN201821140417 U CN 201821140417U CN 209072340 U CN209072340 U CN 209072340U
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Abstract
The utility model discloses a kind of voltage processing unit, described device includes: the output signal that filtering unit receives the first electronic device, and the signal amplitude of output signal is exported to the first transformation component;First transformation component accept filter component output signal amplitude be high level, be off state;Second transformation component is on state, the three-polar output low level signal of the second transformation component to the second electronic device;The first end of first transformation component accept filter component output signal amplitude be low level when, be on state;Second transformation component first end is off state when the output signal for receiving the first electronic device is low level signal;When the first transformation element turns state, second end is exported and the consistent high level signal of power supply of the second electronic device to the second electronic device.The utility model embodiment realizes the transmission of the signal between the different electronic device of different operating voltage quasi position.
Description
Technical field
The utility model embodiment is related to electronic engineering technical field, specifically, being related to a kind of voltage processing unit.
Background technique
Electronic device (IC device there are many can usually being configured in the smart machines such as AR/VR, mobile phone, bracelet, intelligent refrigerator
Part, Integrated Circuit device), to realize different functions respectively.For example, speech electronic device can be configured to adopt
Collect voice, can configure control electronic device with display control electronic device to realize that image is shown to control sensor fortune
Row.In general, the voltage quasi position of the operating voltage of different electronic devices is different, usually each electronic device is respectively configured and its work
The corresponding power supply of voltage quasi position when making.
In the prior art, signal transmission can be carried out by cable network between any two electronic device, can also led to
It crosses wireless network and carries out signal transmission, if the voltage quasi position of two electronic devices is different, the transmission of signal may be influenced.In order to
The electronic device for keeping any two voltage quasi position different carries out signal transmission, needs additional to receive the configuration of the electronic device of signal
Power supply provides voltage quasi position identical with the electronic device of signal is sent for electronic device, enables the electronic device for receiving signal
Enough signals for normally receiving the electronic device different from its voltage quasi position under the power supply of additional power supply and sending.
As seen from the above description, receive in the corresponding reception circuit of electronic device of data that there are multiple power supplys, wherein packet
Include the power supply for eliminating the unmatched additional power supply of voltage quasi position and powering to work normally electronic device.It leads
It sends a telegraph and increases new power supply in road, be unfavorable for the normal winding displacement of power supply, especially in large-scale complicated circuit, such as exist more
Voltage quasi position is planted, the number of power sources in circuit can be more, and power supply winding displacement is more difficult.
Summary of the invention
In view of this, the present invention provides a kind of voltage processing units, for solving in the prior art due to needing
For electronic device provides multiple power supplies and generates the technical problem of winding displacement difficulty.
In order to solve the above-mentioned technical problem, the utility model provides a kind of voltage processing unit, comprising: input terminal connection
The filtering unit of first electronic device output end;First end is connect with the output end of the filtering unit, second end and the second electricity
The first transformation component that the input terminal of sub- device connects and third end is connect with the power supply of the second electronic device;First
End is connect with the output end of the first electronic device, second end is grounded and third end respectively with the first transformation component the
Second transformation component of the input terminal of two ends and second electronic device connection;The filtering unit receives first electricity
The output signal of sub- device exports the signal amplitude of the output signal to the first end of the first transformation component;
When the signal amplitude of the received filtering unit output of the first end of the first transformation component is high level, it is
Off state;The second transformation component first end is high level signal in the output signal for receiving first electronic device
When, it is on state, the three-polar output low level signal of the second transformation component to second electronic device;
When the signal amplitude of the received filtering unit output of the first end of the first transformation component is low level, it is
On state;The second transformation component first end is low level signal in the output signal for receiving first electronic device
When, it is off state;The first transformation component passes through second end output and second electronic device on state
The consistent high level signal of power supply is to second electronic device.
Optionally, described device further include: the first end and the filtering group of input terminal and the first transformation component
The feedback component that the output end of part connects and output end is connect with the second end of the first transformation component;
The feedback component is used in the first transformation element turns, and the second end of the first transformation component is defeated
Exporting with the consistent signal of the second electronic device operating voltage to the first end of the first transformation component out, will be described
The signal amplitude of the first electronic device output signal of filtering unit output is changed into the work with second electronic device
It is consistent to make voltage.
Optionally, described device further include: input terminal and the first transformation component second end and second transformation
The connection of component third end, output end connect with the input terminal of second electronic device, the first level terminal and second electronics
The power supply of device connects and the first phase inverter of second electrical level end ground connection;
First phase inverter is used for when the first transformation component is in off state, by the second transformation component
Three-polar output low level signal be converted to it is defeated with the consistent high level signal of power supply of second electronic device
Out to second electronic building brick;When the first transformation component is in the conductive state, by its second end export with it is described
The consistent high level signal of the power supply of second electronic device is converted to low level signal and exports to second electronic device.
Optionally, the feedback component includes: the second phase inverter.
Optionally, first phase inverter includes the first N-type field-effect tube NMOS and the first p-type field-effect tube PMOS;
The source electrode of the first N-type field-effect tube NMOS is connect with the power supply of second electronic device;Described
The source electrode of one p-type field-effect tube PMOS is grounded;
The drain electrode of the first p-type field-effect tube PMOS is connected with the drain electrode of the first N-type field-effect tube NMOS, it is enough at
The output end of first phase inverter;
The grid of the grid of the first p-type field-effect tube PMOS and the first N-type field-effect tube NMOS are connected,
Constitute the input terminal of first phase inverter.
Optionally, second phase inverter includes: the second N-type field-effect tube NMOS and the second p-type field-effect tube PMOS;
The source electrode of the second N-type field-effect tube NMOS is connect with the power supply of second electronic device;Described
The source electrode of two PMOS is grounded;
The drain electrode of 2nd PMOS is connected with the drain electrode of the second N-type field-effect tube NMOS, enough anti-at described second
The output end of phase device;
The grid of 2nd PMOS is connected with the grid of the second N-type field-effect tube NMOS, and it is anti-to constitute described second
The input terminal of phase device.
Optionally, the filtering unit includes: filter capacitor.
Optionally, the first transformation component includes third N-type field-effect tube, and the second transformation component includes the 3rd P
Type field-effect tube;
The first end of the first transformation component is the grid of the third N-type field-effect tube, and second end is the 3rd N
The drain electrode of type field-effect tube and third end are the source electrode of the third N-type field-effect tube;
The first end of the second transformation component is the grid of the third p-type field-effect tube;Second end is the 3rd P
The source electrode of type field-effect tube and third end are the drain electrode of the third p-type field-effect tube.
In the utility model embodiment, the output signal that received first electronic device exports is filtered by filtering unit
After wave processing, filtering signal is sent to the first transformation component;Second transformation component directly receives the output of the first electronic device
Output signal.First transformation component and the second transformation component are used cooperatively, in the first transformation element turns and the second transformation
In the state of component cut-off, the low level signal in the first electronic device output signal is switched to the by the first transformation component
The power supply of two electronic devices is that the high level signal of level reference exports;By the height electricity in the first electronic device output signal
Ordinary mail number switchs to low level output.High level signal and low level signal after conversion is electric with the power supply of the second electronic device
Source is consistent, enables the signal of the first transformation component second end or the second transformation component three-polar output can be in the second electronic device
Middle normal use.Since the high level of the first electronic device is converted to low electricity by the first transformation component and the second transformation component
It is flat, it is high level by low transition, therefore, the second electronic device receives the inversion signal with the first electronic device, if
Normal control perhaps carries out Reverse Turning Control by signal inversion or directly using the signal received, has no effect on signal
Normal use.So as to avoid influencing normal signal transmission because two chip voltage levels are different.It meanwhile being not second
Electronic device configures additional power supply, reduces power supply quantity, to reduce between power supply and each electronic device
Winding displacement reduces winding displacement complexity.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of one embodiment of voltage processing unit provided by the embodiment of the utility model;
Fig. 2 is a kind of structural representation of another embodiment of voltage processing unit provided by the embodiment of the utility model
Figure;
Fig. 3 is a kind of structural representation of another embodiment of voltage processing unit provided by the embodiment of the utility model
Figure;
Fig. 4 is a kind of structural representation of another embodiment of voltage processing unit provided by the embodiment of the utility model
Figure;
Fig. 5 is a kind of structural representation of another embodiment of voltage processing unit provided by the embodiment of the utility model
Figure;
Fig. 6 is a kind of structural schematic diagram of phase inverter one embodiment provided by the embodiment of the utility model;
Fig. 7 is a kind of structural representation of another embodiment of voltage processing unit provided by the embodiment of the utility model
Figure.
Specific embodiment
The embodiments of the present invention is described in detail below in conjunction with accompanying drawings and embodiments, whereby to the utility model
How applied technology method solves technical problem and reaches the realization process of technical effect to fully understand and implement.
The utility model embodiment is mainly used in the inconsistent circuit of operating voltage, by by received first electronics
The output signal of device carries out level conversion, obtain with the second consistent conversion signal of electronic device operating voltage, to reduce the
Number of power sources in two electronic devices reduces winding displacement difficulty.
In the prior art, the case where transmitting signal is needed if there is two different electronic devices of voltage quasi position, usually
Additional power supply is configured to receive the electronic device of signal.When the power supply of electronic device increases, circuit will increase
Overall winding displacement, cause the winding displacement difficulty in circuit to increase.
To solve the above-mentioned problems, the utility model provides a kind of voltage processing unit, by filtering unit by received
After the output signal of one electronic device output is filtered, filtering signal is sent to the first transformation component;Second transformation
Component directly receives the output signal of the first electronic device output.First transformation component and the second transformation component are used cooperatively,
In the state that the first transformation element turns and the second transformation component end, by the first transformation component by the first electronic device
Low level signal in output signal switchs to export by the high level signal of level reference of the power supply of the second electronic device;
High level signal in first electronic device output signal is switched into low level output.High level signal and low electricity after conversion
Ordinary mail number is consistent with the power supply of the second electronic device, enables the first transformation component second end or the second transformation component third
Hold output signal can in the second electronic device normal use.Since the first transformation component and the second transformation component are by
The high level of one electronic device is converted to low level, by low transition be high level, therefore, the second electronic device receive with
The inversion signal of first electronic device, if normal control perhaps using the signal that receives by signal inversion or directly into
Row Reverse Turning Control has no effect on the normal use of signal.So as to avoid shadow due to two chip voltage levels are different
Ring normal signal transmission.Meanwhile additional power supply is not configured for the second electronic device, reduce power supply quantity, with
The winding displacement between power supply and each electronic device is reduced, winding displacement complexity is reduced.
The utility model embodiment is described in detail below in conjunction with attached drawing.
It is a kind of structural schematic diagram of one embodiment of voltage processing unit provided by the utility model if Fig. 1 is,
The apparatus may include:
The filtering unit 102 of input terminal connection 101 output end of the first electronic device.
First end is connect with the output end of the filtering unit 102, and the input terminal of second end and the second electronic device 103 connects
It connects and the first transformation component 105 that third end is connect with the power supply 104 of the second electronic device 103.
First end connect with the output end of the first electronic device 101, second end ground connection and third end are respectively with described the
Second transformation component 106 of the input terminal of the second end of one transformation component 105 and second electronic device 103 connection.
The filtering unit 102 receives the output signal of first electronic device 101, by the signal of the output signal
Amplitude is exported to the first end of the first transformation component 105.
The signal amplitude that the received filtering unit 102 of the first end of the first transformation component 105 exports is high electricity
It usually, is off state;Second transformation component, 106 first end receives the output signal of first electronic device 101
It is on state when for high level signal, the three-polar output low level signal of the second transformation component 106 to described second
Electronic device 103.
The signal amplitude that the received filtering unit 102 of the first end of the first transformation component 105 exports is low electricity
It usually, is on state;Second transformation component, 106 first end receives the output signal of first electronic device 101
It is off state when for low level signal;The first transformation component 105 passes through second end output and institute on state
The consistent high level signal of power supply 104 of the second electronic device 103 is stated to second electronic device 103.
Second electronic device receives the low level signal and the second transformation component of the first transformation component second end output
The high level signal of three-polar output forms the received input signal of the second electronic device.The input signal of second electronic device
Signal level just with the signal level of the output signal of first electronic device on the contrary, therefore, the second electronic device can
Input signal is carried out Reverse Turning Control and/or reverse process, to complete the processing of the second electronic device.
When the output signal of second electronic device is low level, the second transformation component is in the first electronics device
Under the low level of part output signal, it is in off state;The filtering unit exports low level signal to the first transformation group
Part, the first transformation component are in the conductive state;Second end output and the second electronics device of the first transformation component
The consistent high level signal of part is to second electronic device.
The second end of first transformation component is connect with the third end of the second transformation component, and the signal of the two junction is identical.
Namely when the first transformation component cut-off, practical by the low level signal of the second transformation component three-polar output is the first transformation component
The output signal of second end;When the first transformation element turns, the practical high level signal exported by the first transformation component is second
Transformation component third end output signal.
Therefore, the first transformation component is off state, when the second transformation component is on state, the second transformation component
Third end and the second end of the first transformation component export low level signal to the second electronic device;First transformation component is conducting
State, when the second transformation component is off state, the second end output of the third end of the second transformation component and the first transformation component
High level signal is to the second electronic device.
The third end of first transformation component connects the power supply of the second electronic device, and level is consistent with power supply
High level, when it is on state, the first end of the first transformation component is low level, the corresponding electricity of the high level at third end
Stream is output to second end, and the level of the second end is consistent with the high level at third end;When it is off state, the first transformation
The first end of component is high level, and due to being in off state, first end and the electric current at third end cannot be transmitted to second end,
Second end is caused to export low level to the second electronic device.
Low level described in the utility model can be earth level, or setting relative to the second electronics device
The high level of the power supply of part is low level signal level, for example it is assumed that power supply is 5V, then low level can be set
For 0.5V.
The signal amplitude for the output signal that the filtering unit is used to export the first electronic device output end is sent
To the first end of the first transformation component.
When the output signal of first electronic device is high level, the filtering unit exports high-amplitude signal to described
First transformation component, the first transformation component are in off state;The second transformation component is based on the first electronics device
The high level of part output signal, in the conductive state, the three-polar output low level signal of second electronic device is to described
Second electronic device.
In certain embodiments, as shown in Fig. 2, the filtering unit 102 may include: filter capacitor 1021.
Using capacitor as filtering unit, since the power consumption of capacitor is less, it is possible to reduce the power consumption of voltage conversion device.Only adopt
It is filtered with a capacitor, it is possible to reduce the circuit complexity of conversion equipment, while reaching and stablizing the first electronic device of transmission
The purpose of the amplitude of output signal.Since capacitor can be with the noise in filtering circuit, it is possible to reduce voltage conversion device is made an uproar
Sound reduces transmission error, it is ensured that conversion accuracy.
In certain embodiments, as shown in figure 3, the first transformation component 105 may include third N-type field-effect tube
1051, the second transformation component 106 includes third p-type field-effect tube 1061;
The first end of the first transformation component is the grid of the third N-type field-effect tube, and second end is the 3rd N
The drain electrode of type field-effect tube and third end are the source electrode of the third N-type field-effect tube;
The first end of the second transformation component is the grid of the third p-type field-effect tube;Second end is the 3rd P
The source electrode of type field-effect tube and third end are the drain electrode of the third p-type field-effect tube.
The third N-type field-effect tube and third p-type field-effect tube are field-effect tube depletion type.In practical application
In, the first transformation component can also be enhanced for p-type field-effect tube, and corresponding second transformation component can also be N-type field-effect
Tube enhancement type.
First transformation component is that p-type field-effect tube is enhanced, when the second transformation component is that N-type field-effect tube is enhanced, the
The first end of one transformation component is the enhanced grid of p-type field-effect tube, and second end is the enhanced drain electrode of p-type field-effect tube,
Third end is the enhanced source electrode of p-type field-effect tube.The first end of second transformation component is the enhanced grid of N-type field-effect tube
Pole, second end are the enhanced source electrode of N-type field-effect tube, and third end is the enhanced drain electrode of N-type field-effect tube.
In the utility model embodiment, the output signal that received first electronic device exports is filtered by filtering unit
After wave processing, filtering signal is sent to the first transformation component;Second transformation component directly receives the output of the first electronic device
Output signal.First transformation component and the second transformation component are used cooperatively, in the first transformation element turns and the second transformation
In the state of component cut-off, by the first transformation component by the output valve of the first electronic device.It is exported for each transformation component
Output signal carry out level conversion, due to the power supply power supply that the first transformation component export by second electrical level, be based on
The corresponding level signal of component is pressed on first side, therefore high level signal after converting and low level signal are and the second electronics
The power supply of device is consistent, keep output level signal can in the second electronic device normal use.Due to first
The high level of first electronic device is converted to low level by transformation component and the second transformation component, is high electricity by low transition
Flat, therefore, the second electronic device receives the inversion signal with the first electronic device, if normal control or use receive
Signal, by signal inversion or directly carry out reverse phase control, have no effect on the normal use of signal.So as to avoid
Normal signal transmission is influenced because two chip voltage levels are different.Meanwhile additional power supply is not configured for the second electronic device
Power supply reduces power supply quantity, to reduce the winding displacement between power supply and each electronic device, reduces winding displacement complexity.
As shown in figure 4, being a kind of knot of another embodiment of voltage processing unit provided by the embodiment of the utility model
Structure schematic diagram, the difference is that, the transposition can also include: with embodiment shown in FIG. 1
Input terminal connect with the output end of the first end of the first transformation component 105 and the filtering unit 102, with
And the feedback component 107 that output end is connect with the second end of the first transformation component 105;
The feedback component 107 is used in the first transformation component 105 conducting, by the first transformation component 105
Second end output export with the consistent signal of 103 operating voltage of the second electronic device to the first transformation component
105 first end, the signal amplitude transformation for 101 output signal of the first electronic device that the filtering unit 102 is exported
It is consistent with the operating voltage of second electronic device 103.
The signal that the second end of first transformation component exports is fed back to first end by feedback circuit, keeps the first electronic device defeated
The signal amplitude of signal is consistent with the operating voltage of the second electronic device out, and electric leakage occurs now because of voltage quasi position difference to reduce
As.
In the utility model embodiment, feedback circuit is increased between the first transformation component and the second transformation component,
Signal feedback to export the second end of the first transformation component is returned to the first end of the first transformation component by electric current
Award, can to avoid the first transformation component first end input voltage and supply voltage it is inconsistent when, the leaky of appearance, improve
The stability of whole device.
As shown in figure 5, being a kind of knot of another embodiment of voltage processing unit provided by the embodiment of the utility model
Structure schematic diagram, the difference is that, described device can also include: with embodiment shown in FIG. 1
Input terminal connect with 105 second end of the first transformation component and the 106 third end of the second transformation component, is defeated
Outlet is connect with the input terminal of second electronic device 103, the power supply of the first level terminal and second electronic device 103 is electric
First phase inverter 108 of the connection of source 104 and second electrical level end ground connection;
First phase inverter is used for when the first transformation component is in off state, by the second transformation component
Three-polar output low level signal be converted to it is defeated with the consistent high level signal of power supply of second electronic device
Out to second electronic building brick;When the first transformation component is in the conductive state, by its second end export with it is described
The consistent high level signal of the power supply of second electronic device is converted to low level signal and exports to second electronic device.
As a kind of possible implementation, as shown in fig. 6, first phase inverter 108 may include: the first N-type field
Effect pipe NMOS601 and the first p-type field-effect tube PMOS602;
The source electrode of the first N-type field-effect tube NMOS601 is connect with the power supply of second electronic device;It is described
The source electrode of first p-type field-effect tube PMOS602 is grounded;
The drain electrode and the drain electrode phase of the first N-type field-effect tube NMOS602 of the first p-type field-effect tube PMOS601
Even, enough output ends at first phase inverter 108;
The grid of the grid of the first p-type field-effect tube PMOS601 and the first N-type field-effect tube NMOS602
It is connected, constitutes the input terminal of first phase inverter 108.First p-type field-effect tube PMOS and the first N-type field-effect tube
NMOS is depletion type MOS tube.
In the utility model embodiment, at the second end of the first transformation component and the third end and the of the second transformation component
Increase by first phase inverter between two electronic devices, it is by the first phase inverter that the first transformation component is defeated on state
High level out is converted to low level signal, is high level letter by low transition of the first transformation component in off state
Number, to export with the low and high level of the output signal of the first electronic device signal always to the second electronic device, make second
Electronic device receives the level state and the first electronic device that can ensure that signal again with the signal of its operating voltage always
The state consistency of the low and high level of output signal obtains accurate level signal, the positive processing of signal is completed, to reduce because inverse
To understanding error caused by processing.
As another embodiment, the feedback component may include the second phase inverter.
As a kind of possible implementation, second phase inverter may include: the second p-type field-effect tube PMOS with
And the second N-type field-effect tube NMOS;
The source electrode of the second N-type field-effect tube NMOS is connect with the power supply of second electronic device;Described
The source electrode of two PMOS is grounded;
The drain electrode of 2nd PMOS is connected with the drain electrode of the second N-type field-effect tube NMOS, enough anti-at described second
The output end of phase device;
The grid of 2nd PMOS is connected with the grid of the second N-type field-effect tube NMOS, and it is anti-to constitute described second
The input terminal of phase device.
2nd PMOS and the second equal depletion type MOS tube of N-type field-effect tube NMOS.
Second phase inverter is made of PMOS and NMOS, can obtain higher input impedance, reduces power consumption, and provide good
Good anti-interference ability, it is ensured that the circuit of voltage processing unit not will receive biggish influence of noise, can be more steady errorless
Difference completes the transmission work of signal.
In the utility model embodiment, the signal inversion that the second phase inverter can export the first transformation component second end is passed
Transport to the first end of the first transformation component, it is possible to reduce because of the output signal and first of the first electronic device of filtering unit transmission
The operating voltage of electronic device is inconsistent, caused by leaky, avoid due to the voltage quasi position of signal in circuit is inconsistent
The problem of being unable to normal transmission signal, it is ensured that the normal transmission of signal.
As shown in fig. 7, being a kind of knot of another embodiment of voltage processing unit provided by the embodiment of the utility model
Structure schematic diagram, the apparatus may include:
The filtering unit 702 of input terminal connection 701 output end of the first electronic device;
Grid is connect with 702 output end of filtering unit, and drain electrode is connect with 703 input terminal of the first phase inverter, source electrode and second
The third N-type field-effect tube 706 of 704 power supply 705 of electronic device connection;
Grid is connect with 701 output end of the first electronic device, drain electrode and the drain electrode of third N-type field-effect tube 706 and first
The connection of 703 output end of phase inverter, the third p-type field-effect tube 707 of source electrode ground connection;
Input terminal connects the drain electrode of third N-type field-effect tube 706 and third p-type field-effect tube 707 drains, output end connection
First phase inverter 703 of 704 input terminal of the second electronic device;
Input terminal connects 706 source electrode of third N-type field-effect tube, and output end connects 706 grid of third N-type field-effect tube
Second phase inverter 708.
The filtering unit 702 receives the output signal of first electronic device 701, by the signal of the output signal
Amplitude is exported to the grid of the third N-type field-effect tube 706.
The signal amplitude that the received filtering unit 702 of the grid of the third N-type field-effect tube 706 exports is high electricity
It usually, is off state;707 grid of third p-type field-effect tube is in the output letter for receiving first electronic device 704
It is on state when number being high level signal, the drain electrode of the third p-type field-effect tube 707 exports low level signal to described
Second electronic device 704.
The signal amplitude that the received filtering unit 702 of the grid of the third N-type field-effect tube 706 exports is low electricity
It usually, is on state;707 grid of third p-type field-effect tube is in the output letter for receiving first electronic device 704
Number be low level signal when, be off state;The third N-type field-effect tube 706 on state, by drain electrode output with
The consistent high level signal of power supply 705 of second electronic device 704 is to second electronic device 704.
First electronic device and the second electronic device are the electronic device that any two can transmit signal.First electronics device
Part can be located in the same smart machine or circuit with the second electronic device, to realize the biography of signal in a circuit
It is defeated.First electronic device can be located in different smart machines or circuit from the second electronic device, long-range to realize
The transmission of signal.For example, the first electronic device can be the inductor of intelligent refrigerator, the second electronic device can be intelligent refrigerator
Control device processor, corresponding data and letter may be implemented by inductor and processor direct signal transmission
Number transmission.
Optionally, it can establish communication connection between the first electronic device and the second electronic device, to realize the biography of signal
It is defeated.When increasing level switch module for the second electronic device, the first electronic device can establish electronics with level switch module
The transmission of signal.As a kind of possible implementation, the first electronic device and level switch module and/or the second electronic device
Between can establish wire transmission also and can establish wireless transmission, to ensure the normal transmission of signal.
First phase inverter is used for when the first transformation component is in off state, by the second transformation component
Three-polar output low level signal be converted to it is defeated with the consistent high level signal of power supply of second electronic device
Out to second electronic building brick;When the first transformation component is in the conductive state, by its second end export with it is described
The consistent high level signal of the power supply of second electronic device is converted to low level signal and exports to second electronic device.
The signal inversion that first transformation component second end exports can be transmitted to the first transformation group by second phase inverter
The first end of part.The work of the output signal and the first electronic device because of the first electronic device of filtering unit transmission can be reduced
Voltage is inconsistent, caused by leaky, avoid because the voltage quasi position of signal in circuit is inconsistent be unable to normal transmission letter
Number the problem of, it is ensured that the normal transmission of signal.
In the utility model embodiment, the output signal of the first electronic device is by the first transformation component and the second transformation group
Part reversely exports and then has the first phase inverter inverse change, make to be output to the height information of the signal of the second electronic device with
First electronic device it is consistent, and since the first transformation component and the second transformation component are by the power supply of the second electronic device
Power supply, therefore, the voltage for being output to the voltage quasi position of the signal of the second electronic device and the operating voltage of the second electronic device are quasi-
Position is consistent, influences normally pass between the first electronic device and the second electronic device to avoid because voltage quasi position is inconsistent
The problem of defeated signal, can mention simultaneously as increasing the second phase inverter at the first transformation component both ends to avoid electrical leakage problems
The stability of high RST transmission, it is ensured that the correct transmission of signal.
In a typical configuration, calculate equipment include one or more processors (CPU), input/output interface,
Network interface and memory.
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within the acceptable error range, those skilled in the art can within a certain error range solve described in
Technical problem basically reaches the technical effect.Specification subsequent descriptions are preferred embodiment of the present invention, so
The description is to illustrate the general principles of this utility model, being not intended to limit the scope of the utility model.This reality
As defined by the appended claims with novel protection scope.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include, so that commodity or system including a series of elements not only include those elements, but also including not clear
The other element listed, or further include for this commodity or the intrinsic element of system.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in the commodity or system for including the element also
There are other identical elements.
Several preferred embodiments of the present invention have shown and described in above description, but as previously described, it should be understood that this
Utility model is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for various
Other combinations, modification and environment, and above-mentioned introduction or the skill of related fields can be passed through in application contemplated scope described herein
Art or knowledge are modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model,
It then all should be in the protection scope of the appended claims for the utility model.
Claims (8)
1. a kind of voltage processing unit characterized by comprising
Input terminal connects the filtering unit of the first electronic device output end;
First end is connect with the output end of the filtering unit, and second end connect with the input terminal of the second electronic device, Yi Ji
The first transformation component that three ends are connect with the power supply of the second electronic device;
First end connect with the output end of the first electronic device, second end ground connection and third end respectively with first transformation
Second transformation component of the input terminal of the second end of component and second electronic device connection;
The filtering unit receives the output signal of first electronic device, by the signal amplitude of the output signal export to
The first end of the first transformation component;
When the signal amplitude of the received filtering unit output of the first end of the first transformation component is high level, for cut-off
State;The second transformation component first end the output signal for receiving first electronic device be high level signal when,
For on state, the three-polar output low level signal of the second transformation component to second electronic device;
When the signal amplitude of the received filtering unit output of the first end of the first transformation component is low level, for conducting
State;The second transformation component first end the output signal for receiving first electronic device be low level signal when,
For off state;The first transformation component passes through the confession of second end output and second electronic device on state
The consistent high level signal of power supply is to second electronic device.
2. the apparatus according to claim 1, which is characterized in that described device further include: input terminal and first transformation
The second end of the connection of the output end of the first end of component and the filtering unit and output end and the first transformation component
The feedback component of connection;
The feedback component is used in the first transformation element turns, and the second end of the first transformation component is exported
It exports with the consistent signal of the second electronic device operating voltage to the first end of the first transformation component, by the filtering
The signal amplitude of the first electronic device output signal of component output is changed into and the work of second electronic device electricity
Pressure is consistent.
3. the apparatus according to claim 1, which is characterized in that described device further include: input terminal and first transformation
Component second end and the input terminal of the second transformation component third end connection, output end and second electronic device connect
It connects, the first level terminal is connect with the power supply of second electronic device and the first phase inverter of second electrical level end ground connection;
First phase inverter is used for when the first transformation component is in off state, by the of the second transformation component
The low level signal of three-polar output be converted to the consistent high level signal of power supply of second electronic device export to
Second electronic building brick;When the first transformation component is in the conductive state, by it in second end output and described second
The consistent high level signal of the power supply of electronic device is converted to low level signal and exports to second electronic device.
4. the apparatus of claim 2, which is characterized in that the feedback component includes: the second phase inverter.
5. device according to claim 3, which is characterized in that first phase inverter includes the first N-type field-effect tube
NMOS and the first p-type field-effect tube PMOS;
The source electrode of the first N-type field-effect tube NMOS is connect with the power supply of second electronic device;First p-type
The source electrode of field-effect tube PMOS is grounded;
The drain electrode of the first p-type field-effect tube PMOS is connected with the drain electrode of the first N-type field-effect tube NMOS, enough at described
The output end of first phase inverter;
The grid of the grid of the first p-type field-effect tube PMOS and the first N-type field-effect tube NMOS are connected, and constitute institute
State the input terminal of the first phase inverter.
6. device according to claim 4, which is characterized in that second phase inverter includes: the second N-type field-effect tube
NMOS and the second p-type field-effect tube PMOS;
The source electrode of the second N-type field-effect tube NMOS is connect with the power supply of second electronic device;Second p-type
The source electrode of field-effect tube PMOS is grounded;
The drain electrode of 2nd PMOS is connected with the drain electrode of the second N-type field-effect tube NMOS, enough at second phase inverter
Output end;
The grid of the second p-type field-effect tube PMOS is connected with the grid of the second N-type field-effect tube NMOS, described in composition
The input terminal of second phase inverter.
7. the apparatus according to claim 1, which is characterized in that the filtering unit includes: filter capacitor.
8. the apparatus according to claim 1, which is characterized in that the first transformation component includes third N-type field-effect tube,
The second transformation component includes third p-type field-effect tube;
The first end of the first transformation component is the grid of the third N-type field-effect tube, and second end is third N-type field
The drain electrode of effect pipe and third end are the source electrode of the third N-type field-effect tube;
The first end of the second transformation component is the grid of the third p-type field-effect tube;Second end is third p-type field
The source electrode of effect pipe and third end are the drain electrode of the third p-type field-effect tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821140417.8U CN209072340U (en) | 2018-07-18 | 2018-07-18 | Voltage processing unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821140417.8U CN209072340U (en) | 2018-07-18 | 2018-07-18 | Voltage processing unit |
Publications (1)
Publication Number | Publication Date |
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CN209072340U true CN209072340U (en) | 2019-07-05 |
Family
ID=67089444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821140417.8U Active CN209072340U (en) | 2018-07-18 | 2018-07-18 | Voltage processing unit |
Country Status (1)
Country | Link |
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CN (1) | CN209072340U (en) |
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2018
- 2018-07-18 CN CN201821140417.8U patent/CN209072340U/en active Active
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Effective date of registration: 20200610 Address after: Room 109, 396 Songling Road, Laoshan District, Qingdao City, Shandong Province Patentee after: Qingdao Geer Intelligent Sensor Co.,Ltd. Address before: 266104 Laoshan Qingdao District North House Street investment service center room, Room 308, Shandong Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |