CN110392180A - Signal circuit - Google Patents
Signal circuit Download PDFInfo
- Publication number
- CN110392180A CN110392180A CN201910488115.2A CN201910488115A CN110392180A CN 110392180 A CN110392180 A CN 110392180A CN 201910488115 A CN201910488115 A CN 201910488115A CN 110392180 A CN110392180 A CN 110392180A
- Authority
- CN
- China
- Prior art keywords
- signal
- power supply
- receiving end
- output
- storage device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00885—Power supply means, e.g. arrangements for the control of power supply to the apparatus or components thereof
- H04N1/00888—Control thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/23—Reproducing arrangements
- H04N1/2307—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The invention discloses a kind of signal circuits, comprising: first transmission line, one end with the output end for connecting, and signal output apparatus is connect with the other end of the first transmission line, for exporting the digital signal to the signal receiving end；Power output circuit is connect with the other end of the first transmission line, including electrical energy storage device, and the electrical energy storage device is used for by the power source charges for carrying digital signal, and will export electric energy to the power supply receiving end.Signal output apparatus exports the digital signal to the signal receiving end, electrical energy storage device in power delivery circuit passes through the power supply for carrying digital signal in first transmission line, it discharges by power supply to power supply receiving end, to realize power supply, to realize the purpose powered using signal wire.
Description
Technical field
The present invention relates to field of circuit technology, and in particular to arrives a kind of signal circuit.
Background technique
Power supply and ground are the working foundation of electronic circuit, the judgement in this, as benchmark as low and high level, thus in electricity
In the transmission circuit of road, power supply and ground are all standard configurations, in addition to power supply and ground, also need to transmit signal in electronic circuit, such as
Digital signal.Reflect on connecting line, the independent transmission power supply of power supply line, the independent transmission signal of signal wire.To save circuit,
Alternating signal is usually transmitted to by secondary by an isolating transformer in analog signal field.Such case only needs one
Signal does not need power supply and ground.However, can not make in the transmission of digital signal just for analog signal in the prior art
With, also, transformer, higher cost are needed in transmittance process.
Summary of the invention
For this purpose, according in a first aspect, present example provides a kind of signal circuit, comprising: switch module is used for
It is connected to power supply, it is opening/closing under the triggering of preset switches signal；Charge/discharge management module is connect with the switch module, is used
It charges in when the switch module is opened, discharges when the switch module is closed；Voltage controlled oscillation module, with the charge and discharge
Management module connection, for exporting the oscillator signal with the voltage value respective frequencies of charge/discharge management module output；The switch
When module is closed, the charge/discharge management module reaches preset value to the voltage controlled oscillation module discharge, in the voltage of electric discharge
When, the switch module is opened, and the charge/discharge management module charges and to the voltage controlled oscillation module for power supply.
Optionally, switch module includes: switch, for connecting with the power supply；Switch controller, for generating default open
The OFF signal control switch is opening/closing.
Optionally, switch include: triode, metal-oxide-semiconductor or it is silicon-controlled in any one.
Optionally, the charge/discharge management module includes: first capacitor, is connect with the switch module, for described
Switch module charges when opening, and discharges when the switch module is closed.
Optionally, the voltage controlled oscillation module includes: voltage controlled oscillator, connect, is used for the charge/discharge management module
Generate the oscillator signal with the voltage value respective frequencies of charge/discharge management module output.
Optionally, the voltage controlled oscillator includes: LC voltage controlled oscillator or phase noise.
Optionally, the voltage controlled oscillation module further include: filter circuit is located at the voltage controlled oscillator and the discharge/charge
Between electric management module, the voltage for exporting to the charge/discharge management module is filtered.
Optionally, the voltage controlled oscillator includes: varactor, and cathode is connect with the management of charging and discharging module；LC
Oscillating circuit is connect with the anode of the varactor, and operational amplification circuit is connect with the LC oscillating circuit.
According to second aspect, the embodiment of the invention provides a kind of exposure devices, comprising: above-mentioned first aspect any one
The frequency changer circuit；Laser controller is connect with the output end of the frequency changer circuit, for being exported according to the frequency changer circuit
Oscillator signal control laser tranmitting frequency；Prism angularly rotates, and reflects to laser；Photosensitive drums receive the rib
Laser and imaging after mirror refraction.
According to the third aspect, the embodiment of the invention provides a kind of printers, comprising: exposure described in above-mentioned second aspect
Device.
Frequency changer circuit, exposure device and printer provided in an embodiment of the present invention, are being switched by charge/discharge management module
To voltage controlled oscillation module discharge, the decline of charge/discharge management module discharging voltage balance, voltage controlled oscillation mould when control module is closed
The voltage of block is also in trend of dropping steadily, and when dropping to preset voltage value, switch module is opened, and power supply is to charge/discharge management
Module charging, during charging, due to charge/discharge management module and voltage controlled oscillation block coupled in series, voltage controlled oscillation module
Voltage steadily rises with the charging of charge/discharge management module, and voltage change region has symmetry, that is, produces pair
Claim voltage source, the oscillator signal that voltage controlled oscillator generates is related to the voltage of input, and voltage is higher, the frequency of the oscillator signal of generation
Rate is higher, and voltage is lower, and the frequency of generation is lower, and voltage controlled oscillator can linearly be converted into variation according to the variation of voltage
The period of target frequency, frequency is determined that feature is that both sides are slow by voltage, intermediate fast, by the refraction of constant angular velocity rotating prism,
Laser dotting interval is adjusted by change frequency, to realize the equidistant image in photosensitive drums.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the frequency changer circuit schematic diagram of the present embodiment；
Fig. 2 shows the circuit theory schematic diagrams of the frequency changer circuit of the present embodiment；
Fig. 3 shows the waveform diagram of the signal of the processing of the frequency changer circuit of the present embodiment.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of signal circuits 20, as shown in Figure 1, the signal circuit 20 is for connecting
It connects between output end 100 and receiving end 200, wherein output end 100 exports the power supply for carrying digital signal, receiving end 200
Including signal receiving end 201 and power supply receiving end 202,100 output digit signals of output end and power supply are received respectively.Specifically,
Signal circuit 20 may include: first transmission line 10, and one end with the output end 100 for connecting, signal output apparatus,
It is connect with the other end of the first transmission line 10, for exporting the digital signal to the signal receiving end 201；Power supply
Transmission circuit 30 is connect with the other end of the first transmission line 10, including electrical energy storage device 31, the electrical energy storage device
31 are used for by the power source charges for carrying digital signal, and will export electric energy to the power supply receiving end 202.
Specifically, in the present embodiment, the power supply that output end 100 exports carries digital signal, alleged first transmission line
10 can be signal wire, the purpose of the present embodiment is that being powered by signal wire, that is, first transmission line 10, specifically, in receiving end
200 have signal receiving end 201 and power supply receiving end 202, wherein signal output apparatus exports the digital signal to described
Signal receiving end 201, the electrical energy storage device 31 in power delivery circuit 30 is by carrying number in first transmission line 10
The power supply of signal is discharged by power supply to power supply receiving end 202, to realize power supply, to realize the mesh powered using signal wire
's.
As optional embodiment, the power supply for carrying digital signal can be defined, carry digital signal
Power supply, which successively defines, signal phase and idle periods, and idle periods are high level, to electrical energy storage device 31, is carrying digital signal
Power supply in transmission process intermittent to electrical energy storage device 31.In the present embodiment, in low level, power storage is filled
It sets 31 pairs of power supply receiving ends 202 to discharge, be powered with realizing to receiving end 200.Specifically, low level can be the signal phase, such as
The level of signal phase can be dragged down by isolation module, specifically, isolation module can be filter module.
As optional embodiment, signal circuit 20, further includes: Voltage stabilizing module, setting is in the power delivery electricity
In road 30, for carrying out pressure stabilizing to the power supply of output to the power supply receiving end 202.Division module 21, the division module 21
One end connect with one end of the first transmission line 10, the other end of the division module 21 ground connection, the division module 21
Partial pressure end for being connect with the signal receiving end 201.By the available more stable voltage of Voltage stabilizing module, by dividing
The available signal for being applicable in voltage of 21 signal receiving end of die block 201.
Below in conjunction with Fig. 3, describe in detail to the structure and principle of signal circuit 20, in the present embodiment
In, electrical energy storage device 31 may include storage capacitor C, and Voltage stabilizing module may include zener diode D and voltage-stablizer 32, partial pressure
Module 21 may include electric resistance partial pressure module 21, be divided by concatenated first resistor R1 and second resistance R2, specifically, as schemed
Shown in 2, the power supply that the output of output end 100 carries digital signal is transmitted to signal output apparatus and electricity by first transmission line 10
Source transmission circuit 30 is connected, wherein the other end of first resistor R1 in signal output apparatus first resistor R1 and second resistance R2
It is connect with first transmission line 10, the other end ground connection of second resistance R2, the partial pressure end of division module 21 is connected to signal receiving end
201, in power delivery circuit 30, the anode of zener diode D is connect with first transmission line 10, the cathode of zener diode D
It is connect with one end of storage capacitor C, the other end ground connection of energy storage electric energy, the input terminal of voltage-stablizer 32 is connected to zener diode D
Cathode and storage capacitor C connecting pin, the output end 100 of voltage-stablizer 32 is connected to power supply receiving end 202, and output end 100 connects
The ground terminal of ground terminal and receiving end 200 is connected by second transmission line 40.
Although the embodiments of the invention are described in conjunction with the attached drawings, but those skilled in the art can not depart from this hair
Various modifications and variations can be made in the case where bright spirit and scope, and such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (10)
1. a kind of signal circuit, which is characterized in that for being connected between output end and receiving end, the output end output
The power supply of digital signal is carried, the receiving end includes signal receiving end and power supply receiving end, the signal circuit packet
It includes:
First transmission line, one end are used to connect with the output end,
Signal output apparatus is connect with the other end of the first transmission line, for exporting the digital signal to the letter
Number receiving end；
Power output circuit is connect with the other end of the first transmission line, including electrical energy storage device, the power storage dress
It sets for by the power source charges for carrying digital signal, and electric energy will be exported to the power supply receiving end.
2. signal circuit as described in claim 1, which is characterized in that
The power supply for carrying digital signal, which successively defines, signal phase and idle periods, and the electrical energy storage device is used in institute
It states to carry when the power supply of digital signal is in idle periods and be electrically charged.
3. signal circuit as described in claim 1, which is characterized in that further include:
Second transmission line is connected between output end and the ground terminal of receiving end.
4. signal circuit as claimed in claim 3, which is characterized in that
The first end of the electrical energy storage device is connect with the other end of first output line, and for being connected to the power supply
Receiving end, the second end ground connection of the electrical energy storage device.
5. signal circuit as claimed in claim 4, which is characterized in that further include: Voltage stabilizing module is arranged in the power supply
In output circuit, for carrying out pressure stabilizing to the power supply of output to the power supply receiving end.
6. signal circuit as claimed in claim 5, which is characterized in that the Voltage stabilizing module includes zener diode, institute
The anode of zener diode is stated for connecting with the other end of first output line, the cathode of the zener diode with it is described
The first end of electrical energy storage device connects, for carrying out pressure stabilizing to the power supply for inputting the electrical energy storage device.
7. signal circuit as claimed in claim 6, which is characterized in that the Voltage stabilizing module further include: voltage-stablizer, it is described
The input terminal of voltage-stablizer is connect with the first end of the electrical energy storage device, and the output end of the voltage-stablizer is used for and the power supply
Receiving end connection.
8. the signal circuit as described in claim 1-7 any one, which is characterized in that further include:
Division module, one end of the division module are connect with one end of the first transmission line, the division module it is another
End ground connection, the partial pressure end of the division module with the signal receiving end for connecting.
9. signal circuit as claimed in claim 8, which is characterized in that the division module includes:
The partial pressure end of concatenated first resistor and second resistance, the division module is arranged in the first resistor and second resistance
Between.
10. the signal circuit as described in claim 1-7 any one, which is characterized in that the electrical energy storage device packet
Include storage capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910488115.2A CN110392180A (en) | 2019-06-05 | 2019-06-05 | Signal circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910488115.2A CN110392180A (en) | 2019-06-05 | 2019-06-05 | Signal circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110392180A true CN110392180A (en) | 2019-10-29 |
Family
ID=68285217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910488115.2A Pending CN110392180A (en) | 2019-06-05 | 2019-06-05 | Signal circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110392180A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143977A (en) * | 2014-08-25 | 2014-11-12 | 清华大学 | Voltage-controlled oscillator |
| CN105656049A (en) * | 2016-02-25 | 2016-06-08 | 上海赞迪网络科技有限公司 | Household power saver |
| CN105811741A (en) * | 2016-05-27 | 2016-07-27 | 深圳市赛音电子有限公司 | Power interface circuit |
| US20170373699A1 (en) * | 2014-12-30 | 2017-12-28 | Huawei Technologies Co., Ltd. | Analog-To-Digital Converter Protection Circuit, Method for Controlling Analog-To-Digital Converter Protection Circuit, and Controller |
| US20180278068A1 (en) * | 2014-01-28 | 2018-09-27 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device and power adapter therefor |
-
2019
- 2019-06-05 CN CN201910488115.2A patent/CN110392180A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180278068A1 (en) * | 2014-01-28 | 2018-09-27 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device and power adapter therefor |
| CN104143977A (en) * | 2014-08-25 | 2014-11-12 | 清华大学 | Voltage-controlled oscillator |
| US20170373699A1 (en) * | 2014-12-30 | 2017-12-28 | Huawei Technologies Co., Ltd. | Analog-To-Digital Converter Protection Circuit, Method for Controlling Analog-To-Digital Converter Protection Circuit, and Controller |
| CN105656049A (en) * | 2016-02-25 | 2016-06-08 | 上海赞迪网络科技有限公司 | Household power saver |
| CN105811741A (en) * | 2016-05-27 | 2016-07-27 | 深圳市赛音电子有限公司 | Power interface circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2651718A (en) | Switching device | |
| CN106797260A (en) | Method and system for distributing the communication ID of battery management module | |
| CN107483047A (en) | A kind of crystal oscillator system, crystal oscillator frequency calibration device and method | |
| CN207218640U (en) | High-precision internal oscillator | |
| CN109742831A (en) | A kind of master-slave mode battery control system and method | |
| CN103218202A (en) | Random number generating device | |
| CN104503526B (en) | Based on feedback compensating circuit and the method for mixed signal | |
| US20110270552A1 (en) | Delta-sigma ad converter circuit and battery pack | |
| CN110392180A (en) | Signal circuit | |
| JPS60148217A (en) | Monolithically integrated rc oscillator | |
| CN105375075B (en) | The battery list pond module of communication device with the swapping data for the concatenated battery list pond module in multiple same types | |
| CN203377864U (en) | Direct digital frequency synthesizer | |
| CN109194308A (en) | The crystal oscillating circuit that multi-frequency automatically switches | |
| CN108449085A (en) | Phaselocked loop and electronic system | |
| CN209250603U (en) | A kind of sub key system of capacitance type touch key | |
| CN207475534U (en) | A kind of crystal oscillator system and crystal oscillator frequency calibration device | |
| CN208127922U (en) | Active equalization device, battery management system and electric car | |
| US2677053A (en) | Pulse generator | |
| CN206195725U (en) | Take oscillator circuit of spread spectrum function | |
| CN209710066U (en) | Signal generation device | |
| CN104518763B (en) | Saw-toothed oscillator and device | |
| CN104001691B (en) | A kind of ultrasonic power equipment based on variable capacitance | |
| CN109257041A (en) | control circuit and control method | |
| CN105099448B (en) | Adjustable vibration device | |
| CN109743039A (en) | Signal generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191029 |