CN114374315B - Modulator for miniaturized switch voltage stabilizer - Google Patents
Modulator for miniaturized switch voltage stabilizer Download PDFInfo
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- CN114374315B CN114374315B CN202210037465.9A CN202210037465A CN114374315B CN 114374315 B CN114374315 B CN 114374315B CN 202210037465 A CN202210037465 A CN 202210037465A CN 114374315 B CN114374315 B CN 114374315B
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- switch
- voltage stabilizer
- shell
- modulator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc-Dc Converters (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention relates to the technical field of modulation and demodulation, in particular to a modulator for a miniaturized switch voltage stabilizer, which comprises a shell, wherein a shielding plate is detachably connected to the periphery of the shell, and the shielding plate is made of flexible materials; the utility model discloses a high-voltage power supply device, including casing, switch diversion voltage stabilizer, electric connection's electric connection, electric connection's functional module and interference relief subassembly have been set gradually from top to bottom in the casing, include the switch diversion voltage stabilizer in the functional module and with the shunt of switch diversion voltage stabilizer electric connection, the shunt is embedded to be equipped with the multistage branching that shunts effect in proper order, sets up the shielding board in the casing periphery, can effectively carry out the isolated processing of modulator, sets up the shielding board into flexible material, can fine adaptation casing's operation scene, sets up the conversion that switch diversion voltage stabilizer can carry out positive electricity and negative electricity with high efficiency simultaneously.
Description
Technical Field
The invention relates to the technical field of modulation and demodulation, in particular to a modulator for a miniaturized switching regulator.
Background
The voltage stabilizer is widely applied to a superheterodyne system and a detection system in mobile communication equipment, and the quality of an output power supply of the voltage stabilizer directly influences the stability of signals in the system. The main parameters affecting the stability of the signal are system internal temperature, spurious and phase noise, etc., wherein the system internal temperature is closely related to the conversion efficiency of the voltage stabilizer, and at the same time, the phase noise of the signal is a very important performance index, which has a great influence on the performance of the mobile communication device, is distributed on both sides of the carrier signal from the frequency perspective, and is distributed according to the power law spectrum.
The phases appear at the demodulation terminal as signals in the demodulation process, so that the signal-to-noise ratio of the system is reduced, a switching voltage stabilizer is required to be introduced at the moment, the switching voltage stabilizer is small in size and high in conversion efficiency, and the internal temperature of the system is not influenced. However, the disadvantages of switching regulators are also very pronounced: the switching frequency of the switching regulator can leak, so that the quality of the power supply at the input end and the output end is affected, and the quality of signals in the system is directly deteriorated.
In the related art, particularly in the related design of a modulator for a small-sized voltage regulator, many technical problems in the small-sized modulator are in fact to be studied intensively because a technician cannot conduct many studies on the small-sized modulator.
Disclosure of Invention
The invention aims to provide a modulator for a miniaturized switching voltage stabilizer, which solves the problem that the modulator in the prior art cannot reasonably perform phase noise reduction and simultaneously perform positive and negative point power supply time sequence processing.
The invention aims at realizing the following technical scheme that the device comprises a shell, wherein a shielding plate is detachably connected to the periphery of the shell, and the shielding plate is made of flexible materials; the multifunctional electric power transmission device is characterized in that a functional component and an interference slowing component which are electrically connected with each other are sequentially arranged in the shell from top to bottom, the functional component comprises a switch turning voltage stabilizer and a branching device which is electrically connected with the switch turning voltage stabilizer, and a multi-stage branching circuit with a sequential branching function is embedded in the branching device.
It should be noted that, set up the cover plate in casing periphery, can effectively carry out the isolated processing of modulator, set up the cover plate into flexible material, the operation scene of adaptation casing that can be fine simultaneously sets up the conversion that the switch diversion stabiliser can carry out positive electricity and negative electricity with high efficiency.
A filtering unit for removing a specific wave band is electrically connected to the upstream of the splitter, and the filtering unit is configured to receive an external wave band.
The splitter and the filtering unit can be combined to efficiently ensure efficient clearing operation of special wave bands, improve definition of transmission frequency and reduce distortion rate of signals and the like.
The switch diversion voltage stabilizer comprises a positive switch and a negative switch, wherein the positive switch and the negative switch are used for adjusting voltage amplitude, and the positive switch and the negative switch are all arranged in the switch diversion voltage stabilizer in a surrounding mode.
It should be noted that, the positive switch and the negative switch arranged in the switching regulator can accurately and correspondingly transmit the positive signal and the negative signal.
The negative electrical switch is configured to act unidirectionally on the positive electrical switch.
It should be noted that, the one-way positive switch of negative switch is different from the direct operation connection between positive switch and negative switch in the prior art, and the time sequence of supplying power can be guaranteed to this application after directly acting on positive switch with negative switch.
And a first power filter and a second power filter for filtering specific wave bands are arranged at intervals at the downstream of the switch diversion voltage stabilizer.
It should be noted that, setting the first power filter and the second power filter can ensure effective reduction of signal to noise ratio and discharge more interference frequency bands.
The interference mitigation assembly is internally and electrically connected with a power ground, a third power filter and a common ground, and frequencies generated by the power ground are transmitted to the common ground through the third power filter.
The interference mitigation component is provided to ensure that the interference frequency can be effectively reduced when the signal is connected with public land and the like.
The shell comprises a shell body and is characterized in that a first access port and a second access port are arranged on one end face of the shell body at intervals, and a first external interface, a second external interface and a third external interface are arranged on the other end face of the shell body at intervals.
It should be noted that, the external interface and the access port are provided, so that external access can be conveniently performed, the convenience of connection is improved, the prior art generally only uses a single interface for access and access, and the adaptation is obviously not high.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the shielding plate is arranged on the periphery of the shell, so that the modulator can be effectively isolated, the shielding plate is made of flexible materials, the shielding plate can be well adapted to the operation scene of the shell, and meanwhile, the switch diversion voltage stabilizer is arranged to efficiently convert positive electricity and negative electricity;
2. the splitter and the filtering unit are combined to ensure the efficient clearing operation of the special wave band, improve the definition of the transmission frequency and reduce the distortion rate of signals and the like;
3. the interference mitigation assembly is arranged to ensure that the interference frequency can be effectively reduced when the signal is connected with public land and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic view of the inside of the splitter of the present invention.
Legend description: 1-a first access port; 2-a second access port; 3-a first external interface; 4-a second external interface; 5-a third external interface; 6-shielding plate.
Detailed Description
Referring to fig. 1-3, the present embodiment provides a miniaturized switching regulator-oriented modulator, which is mainly used for solving the problem that the modulator in the prior art cannot reasonably perform phase noise reduction and simultaneously perform positive and negative point power supply time sequence processing, and the miniaturized switching regulator-oriented modulator is already in an actual experimental test stage.
The specific implementation manner of the invention is that the mask plate 6 is detachably connected to the outer periphery of the shell, the mask plate 6 is made of flexible materials, the flexible materials of the mask plate 6 comprise rubber, high molecular polymers, flexible fibers and the like, the high molecular polymers are adopted as the preferred materials of the embodiment, the deformation operation of the mask plate 6 can be effectively ensured, further, the shape of the shell in the embodiment is not limited, and the common shape can be round, rectangular, polygonal and the like according to the operation environment.
Further, from last interconnect's functional module and the interference component that slows down that has set gradually in the casing to down, it is to be noted that, set up the mode in the casing and can be decided according to actual conditions, adopt from last mode to setting down in this embodiment, can guarantee that the effect of interfering publicly is lower, because set up the interference component in the below of functional module, can guarantee that the content that the interference component received has had better frequency channel, the frequency channel that the interference is disordered has carried out the preliminary treatment, wherein the principle and the prior art of the clear interference frequency channel of the disordered interference frequency channel are unanimous, and this is unnecessary to describe again.
The multifunctional voltage regulator comprises a switch diversion voltage regulator and a branching device electrically connected with the switch diversion voltage regulator, wherein the branching device is embedded with a plurality of branches with sequential branching action, the branches of the plurality of branches are mainly used for carrying out multi-stage processing of signal frequency, each branch of the plurality of branches is one branch of frequency, in the prior art, only one branch is generally adopted, although the branching can be carried out, one branch can be easily ignored, the problem of processing time sequence cannot be better, in particular, when one signal voltage is transmitted to the branching device only for one branch, the situation that a channel is blocked and the like is necessarily caused when a large number of signals are transmitted in a short time, if only one branch is adopted, the frequency band of the signal and corresponding positive electricity and negative electricity cannot be reasonably and efficiently arranged in a time sequence separation mode under the condition of a large number of moments in a long time, the problem of buffer operation can be solved in the largest extent through the long-term study of the applicant, the problem of buffer operation before the experiment is more easily ignored is solved because various parameters are usually not corresponding to the modulator in the small voltage regulator.
A filtering unit for removing the specific wave band is electrically connected to the upstream of the splitter, and the filtering unit is configured to receive the external wave band. The switch diversion voltage stabilizer comprises a positive switch and a negative switch which are used for adjusting the voltage amplitude, and the positive switch and the negative switch are all arranged in the switch diversion voltage stabilizer in a surrounding mode. The negative switch is configured with a unidirectional positive switch, so that the positive switch and the negative switch can effectively conduct positive and negative guidance, the method is different from the single guidance in the prior art, the subsequent auxiliary judgment method can effectively conduct targeted guidance of positive and negative points, and the operation effect is improved.
The downstream interval of the switch diversion voltage stabilizer is provided with a first power filter and a second power filter which are used for filtering specific wave bands. The interference mitigation assembly is electrically connected with the power ground, the third power filter and the public ground, and frequencies generated by the power ground are transmitted to the public ground through the third power filter, and it is noted that referring to fig. 1, the power ground and the public ground are electrically connected with the third power filter, so that crosstalk generated by the switching frequency in the public ground can be effectively prevented, and the suppression of leakage of the switching frequency can reach more than 60 dBc.
Referring to fig. 2, a first inlet 1 and a second inlet 2 are disposed on an end face of a housing at intervals, a first outer interface 3, a second outer interface 4 and a third outer interface 5 are disposed on another end face of the housing at intervals, wherein the implementation can be performed by sticking a low-frequency wave-absorbing material on a surface of the housing, so that signal shielding can be effectively performed, and the wave-absorbing material can be: carbon-based wave absorbing materials such as: graphene, graphite, carbon black, carbon fibers, carbon nanotubes; iron-based wave absorbing materials such as: ferrite, magnetic iron nanomaterial; ceramic-based wave absorbing materials such as: silicon carbide; other types of materials, such as: conductive polymers, chiral materials (left-handed materials), plasma materials.
The applicant obtains the following comparison contents after carrying out the comparison experiment according to the above description and combining the prior art:
according to comparison, the signal spurious and phase noise index in the system adopting the linear voltage stabilizer circuit is good, however, the design is complex, the volume is large, the conversion efficiency is low, the power supply time sequence is not needed, the signal stability is poor, the overcurrent protection is not needed, the design is simple in the system adopting the traditional switching voltage stabilizer circuit, the volume is small, the conversion efficiency is high, however, the signal stability is poor due to the degradation of spurious and phase noise, the power supply time sequence is not needed, the overcurrent protection is not needed, the circuit design is simple, the volume is small, the conversion efficiency is high, the power supply time sequence is needed, and the signal stability is high and the overcurrent protection is needed due to the improvement of the spurious and phase noise.
Claims (2)
1. The modulator facing the miniaturized switching regulator is characterized by comprising a shell, wherein a shielding plate (6) is detachably connected to the periphery of the shell, and the shielding plate (6) is made of flexible materials;
the multifunctional device comprises a shell, wherein a functional component and an interference mitigation component which are electrically connected with each other are sequentially arranged in the shell from top to bottom, the functional component comprises a switch turning voltage stabilizer and a branching device which is electrically connected with the switch turning voltage stabilizer, and a multi-stage branching circuit with sequential branching action is embedded in the branching device to perform multi-stage processing of signal frequency;
the upstream of the branching unit is electrically connected with a filtering unit for removing a specific wave band, and the filtering unit is configured to receive an external wave band;
the switch turning voltage stabilizer comprises a positive switch and a negative switch for adjusting voltage amplitude, and the positive switch and the negative switch are all arranged in the switch turning voltage stabilizer in a surrounding mode;
the negative switch is configured to act on the positive switch in a unidirectional manner to realize a power supply time sequence of negative before positive;
a first power filter and a second power filter for filtering specific wave bands are arranged at intervals at the downstream of the switch diversion voltage stabilizer;
the interference mitigation assembly is internally and electrically connected with a power ground, a third power filter and a common ground, and frequencies generated by the power ground are transmitted to the common ground through the third power filter.
2. The modulator for a miniaturized switching regulator according to claim 1, wherein a first access port (1) and a second access port (2) are arranged on one end face of the housing at intervals, and a first external interface (3), a second external interface (4) and a third external interface (5) are arranged on the other end face of the housing at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037465.9A CN114374315B (en) | 2022-01-13 | 2022-01-13 | Modulator for miniaturized switch voltage stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210037465.9A CN114374315B (en) | 2022-01-13 | 2022-01-13 | Modulator for miniaturized switch voltage stabilizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114374315A CN114374315A (en) | 2022-04-19 |
| CN114374315B true CN114374315B (en) | 2023-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210037465.9A Active CN114374315B (en) | 2022-01-13 | 2022-01-13 | Modulator for miniaturized switch voltage stabilizer |
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| Country | Link |
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Citations (7)
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|---|---|---|---|---|
| CN1395438A (en) * | 1995-08-18 | 2003-02-05 | 富士通株式会社 | Amplifier with distortion compensator and radio communication base station |
| CN1830140A (en) * | 2003-07-30 | 2006-09-06 | 特罗皮亚恩公司 | Power distribution and biasing in RF switch-mode power amplifiers |
| CN101635522A (en) * | 2009-06-26 | 2010-01-27 | 江苏利通电子有限公司 | Switch power supply for powerline carrier communication modem |
| US9059768B1 (en) * | 2015-01-30 | 2015-06-16 | Rockwell Collins, Inc. | Interference cancellation system and method |
| CN106878864A (en) * | 2017-03-03 | 2017-06-20 | 广东欧珀移动通信有限公司 | Power circuit and audio frequency apparatus |
| CN108736904A (en) * | 2017-04-17 | 2018-11-02 | 东莞百电子有限公司 | A kind of novel VSAT receivers and transmitter |
| CN110572188A (en) * | 2019-09-20 | 2019-12-13 | 深圳瓦特智汇科技有限公司 | Circuit and method for configuring and upgrading power supply based on power line carrier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8763063B2 (en) * | 2004-06-01 | 2014-06-24 | Time Warner Cable Enterprises Llc | Controlled isolation splitter apparatus and methods |
-
2022
- 2022-01-13 CN CN202210037465.9A patent/CN114374315B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1395438A (en) * | 1995-08-18 | 2003-02-05 | 富士通株式会社 | Amplifier with distortion compensator and radio communication base station |
| CN1830140A (en) * | 2003-07-30 | 2006-09-06 | 特罗皮亚恩公司 | Power distribution and biasing in RF switch-mode power amplifiers |
| CN101635522A (en) * | 2009-06-26 | 2010-01-27 | 江苏利通电子有限公司 | Switch power supply for powerline carrier communication modem |
| US9059768B1 (en) * | 2015-01-30 | 2015-06-16 | Rockwell Collins, Inc. | Interference cancellation system and method |
| CN106878864A (en) * | 2017-03-03 | 2017-06-20 | 广东欧珀移动通信有限公司 | Power circuit and audio frequency apparatus |
| CN108736904A (en) * | 2017-04-17 | 2018-11-02 | 东莞百电子有限公司 | A kind of novel VSAT receivers and transmitter |
| CN110572188A (en) * | 2019-09-20 | 2019-12-13 | 深圳瓦特智汇科技有限公司 | Circuit and method for configuring and upgrading power supply based on power line carrier |
Non-Patent Citations (1)
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| CN114374315A (en) | 2022-04-19 |
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