CN104410124A - Device for constant current charge of energy-storage capacitor of depth finder - Google Patents
Device for constant current charge of energy-storage capacitor of depth finder Download PDFInfo
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- CN104410124A CN104410124A CN201410719475.6A CN201410719475A CN104410124A CN 104410124 A CN104410124 A CN 104410124A CN 201410719475 A CN201410719475 A CN 201410719475A CN 104410124 A CN104410124 A CN 104410124A
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- storage capacitor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
- H02J7/00718—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current in response to charge current gradient
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a device for constant current charge of an energy-storage capacitor of a depth finder. The device comprises a constant current charge circuit module (3), wherein the constant current charge circuit module (3) is arranged between a controllable switch power supply module (1) and an energy-storage capacitor (2); a voltage sampling signal conditioning circuit module (5) is adopted to sample at fixed time and transmit the voltage value of the energy-storage capacitor (2); a single-chip microcomputer control circuit module (4) is adopted to compare a voltage sample value with a set voltage value and is used for controlling the level of the controllable switch power supply module (1) and also controlling the constant current charge circuit module (3) to be powered on/off. By adopting the device, the problems that in the prior art the size of a power supply or a transformer is relatively large, the charge speed is relatively slow, noise is caused to a receiver and the like when a capacitor is charged because of a charge method are solved, and benefits that the structure is simple, the cost is reduced, the improvement is remarkable and the like are achieved.
Description
Technical field
The present invention relates to sonar sounding system, particularly a kind of device of sounding instrument storage capacitor constant current charge.
Background technology
Sonar utilizes underwater acoustic wave to detect submarine target, locates and the electronic equipment communicated, and is most widely used general, most important a kind of device in marine acoustics.Sonar technology is existing 100 years history so far, first sonar instrument of Lewis Nickerson invention of limejuicer be a kind of passive type listen to device, be mainly used to detect iceberg.This technology, to being applied to during the World War I on battlefield, is used for detecting the submarine hidden at the bottom.At present, sonar has become the major technique that naval of various countries carries out undersea surveillance use, is generally used for detecting submarine target, classify, locate and following the tracks of; Carry out subsurface communication and navigation, ensure the marine tactical maneuver of equipment and the use of underwater weapon.In addition, sonar technology is also widely used in torpedo guidance, sea mine fuze, and the locating fish, offshore oil drilling, marine navigation, underwater operation, hydrographic survey and submarine geology and geomorphology exploration etc.Sonar is the same with the development of many science and technology, and the needs of society and the progress of science and technology facilitate the development of sonar technology.
In China, use the survey meter of sonar technological development, category is a lot, the device of the storage capacitor constant current charge that especially existing sounding instrument uses, connect current-limiting resistance basically by linear adjustment electric power output voltage to charge to storage capacitor, or switch Industrial Frequency Transformer output tap thus obtain the voltage control that different output voltage realizes storage capacitor.
Above charging method has the shortcoming of following several respects:
1) cannot realize constant current charge: when the pressure reduction of electric power output voltage and storage capacitor voltage is larger, charging current is comparatively large, and this requires that linear power supply or transformer need larger power output, cause power supply or volume of transformer larger; 2) when the pressure reduction hour of electric power output voltage and storage capacitor voltage, charging current is less, charging rate is slower.3) electric power output voltage is at any time to storage capacitor charging, and the charging moment is uncontrollable, introduces the switching signal noise of power supply when causing capacitor charging to receiver.
Do not find explanation or the report of technology similar to the present invention at present, not yet collect similar data both at home and abroad yet.
Summary of the invention
Cause that power supply or volume of transformer are comparatively large or charging rate is slower to solve prior art charging method, and to problems such as the switching signal noises of receiver introducing power supply during capacitor charging, the object of the present invention is to provide a kind of device of sounding instrument storage capacitor constant current charge.Utilize the present invention, not only reach the requirement to storage capacitor constant current charge, and solve three above-mentioned problems.
In order to reach foregoing invention object, the present invention is to provide a kind of device of sounding instrument storage capacitor constant current charge for technical scheme that its technical problem of solution adopts, and this device comprises gate-controlled switch power supply and storage capacitor, and according to the present invention, this device also comprises:
There is between above-mentioned gate-controlled switch power module and storage capacitor a constant-current charging circuit module; The input of storage capacitor connects a voltage sampling signal conditioning circuit module; Above-mentioned voltage sampling signal conditioning circuit module and a single chip machine controlling circuit model calling, the magnitude of voltage of timing sampling, transmission storage capacitor; The voltage sample value of single chip machine controlling circuit module receiver voltage sampled signal conditioning circuit module, and compared by communication interface reception external charging voltage setting value, trigger etc. synchronizing signal to be charged, output switch power source control level controls the level of gate-controlled switch power module, and the on/off of output constant current charging simultaneously control signal controls constant-current charging circuit module on/off.
Above-mentioned constant-current charging circuit module comprises: two P channel mosfet V1 and V4;
The source electrode of above-mentioned P channel mosfet V1 is connected with switch power module by current-limiting resistance R1, and its grid is connected with switch power module by voltage stabilizing didoe V3, resistance R3 in parallel, and is connected with the collector electrode of triode V7 by resistance R6; The base stage of V7, by resistance R8 and single chip machine controlling circuit model calling, controls by its constant current charge on/off control signal, and by resistance R10 ground connection; The drain electrode of P channel mosfet V1 is connected with storage capacitor by current-limiting resistance R2, one-way conduction diode V2, and output constant current voltage charges to storage capacitor;
The source electrode of above-mentioned P channel mosfet V4 is connected with switch power module by current-limiting resistance R4, and its grid is connected with switch power module by voltage stabilizing didoe V6, resistance R5 in parallel, and is connected with the collector electrode of triode V8 by resistance R7; The base stage of V8, by resistance R9 and single chip machine controlling circuit model calling, controls by its constant current charge on/off control signal, and by resistance R11 ground connection; The drain electrode of P channel mosfet V4 is connected with storage capacitor by one-way conduction diode V5, and output constant current voltage charges to storage capacitor.
The device of a kind of sounding instrument storage capacitor of the present invention constant current charge, owing to taking above-mentioned technical scheme, takes constant-current charging circuit module to carry out constant current charge to storage capacitor, effectively extends the electric capacity life-span; Adopt voltage sampling circuit, by controlling the break-make of constant-current charging circuit, thus controlling the charging voltage value of storage capacitor, charging voltage can be realized and reach any setting voltage (being less than the maximum output valve of supply voltage switch); Adopt gate-controlled switch power supply to provide the charging voltage of storage capacitor, gate-controlled switch power supply has that efficiency is high, volume is little, is conducive to sounding instrument device miniaturization.In addition, sounding instrument is when receiving echo-signal, and single chip machine controlling circuit shutdown switch power supply, makes Switching Power Supply quit work, and therefore, avoids the switching noise of Switching Power Supply to the electromagnetic interference of sounding instrument receiver.
Therefore, the invention solves prior art charging method and cause that power supply or volume of transformer are comparatively large or charging rate is slower, and introduce the problem such as switching signal noise of power supply during capacitor charging to receiver, achieve circuit structure simple, cheap, improve the beneficial effects such as obvious.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of sounding instrument storage capacitor constant current charger of the present invention;
Fig. 2 is sounding instrument constant current charge sequential chart of the present invention;
Fig. 3 is the electrical schematic diagram of sounding instrument storage capacitor constant-current charging circuit module of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described.
Fig. 1 is the structured flowchart of sounding instrument storage capacitor constant current charger of the present invention; As shown in the illustrated embodiment of fig. 1, this device comprises:
There is between gate-controlled switch power module 1 and storage capacitor 2 a constant-current charging circuit module 3, the input of storage capacitor 2 connects a voltage sampling signal conditioning circuit module 5, voltage sampling signal conditioning circuit module 5 is connected with a single chip machine controlling circuit module 4, the magnitude of voltage of voltage sampling signal conditioning circuit module 5 timing sampling, transmission storage capacitor 2; The voltage sample value of single chip machine controlling circuit module 4 receiver voltage sampled signal conditioning circuit module 5, and compared by communication interface reception external charging voltage setting value, trigger etc. synchronizing signal to be charged, output switch power source control level controls the level of gate-controlled switch power module 1; The on/off of output constant current charging simultaneously control signal controls constant-current charging circuit module 3 on/off.
Gate-controlled switch power module 1 in this circuit, single chip machine controlling circuit module 4, voltage sampling signal conditioning circuit module 5 adopt universal circuit to design, and main contributions of the present invention is between gate-controlled switch power module 1 and storage capacitor 2, insert a constant-current charging circuit module 3.Above-mentioned constant-current charging circuit module 3 utilizes MOSFET to work in amplification region and negative voltage feedback principle realizes constant current charge.
Fig. 3 is the electrical schematic diagram of sounding instrument storage capacitor constant-current charging circuit module 3 of the present invention, and as illustrated in the exemplary embodiment of figure 3, this device comprises:
P channel mosfet V1, V4;
The source electrode of P channel mosfet V1 is connected with Switching Power Supply 1 by current-limiting resistance R1, its grid is connected with Switching Power Supply 1 by voltage stabilizing didoe V3, resistance R3 in parallel, and be connected with the collector electrode of triode V7 by resistance R6, the base stage of V7 is connected with 4 of single chip machine controlling circuit module by resistance R8, control by its constant current charge on/off control signal, and by resistance R10 ground connection; The drain electrode of P channel mosfet V1 is connected with storage capacitor 2 by current-limiting resistance R2, one-way conduction diode V2, and output constant current voltage charges to storage capacitor 2.
The source electrode of P channel mosfet V4 is connected with Switching Power Supply 1 by current-limiting resistance R4, its grid is connected with Switching Power Supply 1 by voltage stabilizing didoe V6, resistance R5 in parallel, and be connected with the collector electrode of triode V8 by resistance R7, the base stage of V8 is connected with 3 of single chip machine controlling circuit module by resistance R9, control by its constant current charge on/off control signal, and by resistance R11 ground connection; The drain electrode of P channel mosfet V4 is connected with storage capacitor 2 by one-way conduction diode V5, and output constant current voltage charges to storage capacitor 2.
Below the course of work of the present invention is further described.
Fig. 1 is the structured flowchart of sounding instrument storage capacitor constant current charger of the present invention; Fig. 2 is sounding instrument constant current charge sequential chart of the present invention.As shown in Fig. 2 and Fig. 1, single chip machine controlling circuit module 4 receives external charging voltage setting value by communication interface, after the arrival of charging synchronizing signal, trigger switch Energy control level and constant current charge on/off control level, gate-controlled switch power supply 1 is worked and output voltage, is charged to storage capacitor 2 by constant-current charging circuit 3 output constant current electric current; Charging complete, transmitter starts to transmit, and meanwhile, receiver carries out sampled data and signal transacting, and now, storage capacitor stops charging, Switching Power Supply is closed.
The voltage of voltage sampling signal conditioning circuit module 5 timing sampling storage capacitor 2, after the voltage of storage capacitor 2 equals charging voltage set point, single chip machine controlling circuit module 4 turns off gate-controlled switch power supply 1, Switching Power Supply 1 is quit work, and operate constant current charge on/off to control constant-current charging circuit 3 and turn off, then the transmitter of sounding instrument and receiver are started working, and receiver sampled data is complete, start the new cycle, carry out the work of storage capacitor constant current charge.
In sounding instrument storage capacitor constant-current charging circuit module 3 of the present invention, field effect transistor V1, V4 adopt P channel mosfet, utilize MOSFET to work in amplification region, negative voltage feedback principle realizes constant current charge: send constant current charge on/off control signal by single chip machine controlling circuit module 4 and control triode V7, V8, make field effect transistor V1, V4 conducting.
When field effect transistor V1, V4 On current increase, because of the negative voltage feedback effect of R1, R4, V1, V4 grid-control voltage reduces, and V1, V4 drain electrode output current reduces, thus this constant-current circuit keeps certain constant current to charge to storage capacitor 2;
Like this, the voltage of storage capacitor 2 and the voltage difference of Switching Power Supply 1 larger time, in conducting constant-current charging circuit 3, field effect transistor V1 charges at a slow speed to storage capacitor; The voltage of storage capacitor and the voltage difference of Switching Power Supply less time, in conducting constant-current charging circuit 3, field effect transistor V4 carries out quick charge to storage capacitor.
From the above mentioned, the advantage of sounding instrument storage capacitor constant-current charging circuit module of the present invention is:
1) constant-current charging circuit can carry out constant current charge to storage capacitor, can effectively extend the electric capacity life-span;
Adopt voltage sampling circuit, by controlling the break-make of constant-current charging circuit, thus controlling the charging voltage value of storage capacitor, charging voltage can be realized and reach any setting voltage (being less than the maximum output valve of supply voltage switch);
2) adopt gate-controlled switch power supply to provide the charging voltage of storage capacitor, gate-controlled switch power supply has that efficiency is high, volume is little, is conducive to sounding instrument device miniaturization;
3) sounding instrument is when receiving echo-signal, and single chip machine controlling circuit shutdown switch power supply, makes Switching Power Supply quit work, and the switching noise of Switching Power Supply can be stoped the electromagnetic interference of sounding instrument receiver.
Claims (2)
1. a device for sounding instrument storage capacitor constant current charge, comprises gate-controlled switch power supply and storage capacitor, it is characterized in that, this device also comprises:
There is between described gate-controlled switch power module and storage capacitor a constant-current charging circuit module; The input of storage capacitor connects a voltage sampling signal conditioning circuit module; Described voltage sampling signal conditioning circuit module and a single chip machine controlling circuit model calling;
The magnitude of voltage of described voltage sampling signal conditioning circuit module timing sampling, transmission storage capacitor; The voltage sample value of single chip machine controlling circuit module receiver voltage sampled signal conditioning circuit module, and compared by communication interface reception external charging voltage setting value, trigger etc. synchronizing signal to be charged, output switch power source control level controls the level of gate-controlled switch power module, and the on/off of output constant current charging simultaneously control signal controls constant-current charging circuit module on/off.
2. the device of storage capacitor constant current charge as claimed in claim 1, is characterized in that: described constant-current charging circuit module comprises:
Two P channel mosfet V1 and V4;
The source electrode of described P channel mosfet V1 is connected with switch power module by current-limiting resistance R1, and its grid is connected with switch power module by voltage stabilizing didoe V3, resistance R3 in parallel, and is connected with the collector electrode of triode V7 by resistance R6; The base stage of V7, by resistance R8 and single chip machine controlling circuit model calling, controls by its constant current charge on/off control signal, and by resistance R10 ground connection; The drain electrode of P channel mosfet V1 is connected with storage capacitor by current-limiting resistance R2, one-way conduction diode V2, and output constant current voltage charges to storage capacitor;
The source electrode of described P channel mosfet V4 is connected with switch power module by current-limiting resistance R4, and its grid is connected with switch power module by voltage stabilizing didoe V6, resistance R5 in parallel, and is connected with the collector electrode of triode V8 by resistance R7; The base stage of V8, by resistance R9 and single chip machine controlling circuit model calling, controls by its constant current charge on/off control signal, and by resistance R11 ground connection; The drain electrode of P channel mosfet V4 is connected with storage capacitor by one-way conduction diode V5, and output constant current voltage charges to storage capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719475.6A CN104410124A (en) | 2014-12-01 | 2014-12-01 | Device for constant current charge of energy-storage capacitor of depth finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719475.6A CN104410124A (en) | 2014-12-01 | 2014-12-01 | Device for constant current charge of energy-storage capacitor of depth finder |
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| CN104410124A true CN104410124A (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410719475.6A Pending CN104410124A (en) | 2014-12-01 | 2014-12-01 | Device for constant current charge of energy-storage capacitor of depth finder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115509293A (en) * | 2022-09-15 | 2022-12-23 | 中国船舶重工集团公司七五0试验场 | Sonar transmitting power regulation and control circuit, system and control method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388553A (en) * | 2007-09-11 | 2009-03-18 | 上海沪钥电子有限公司 | Current charger |
| CN102624054A (en) * | 2012-03-26 | 2012-08-01 | 北京物资学院 | Charging device and method with adjustable output current in constant current charging stage |
| CN103501031A (en) * | 2013-10-09 | 2014-01-08 | 山东康威通信技术股份有限公司 | Super capacitor charging control circuit |
-
2014
- 2014-12-01 CN CN201410719475.6A patent/CN104410124A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388553A (en) * | 2007-09-11 | 2009-03-18 | 上海沪钥电子有限公司 | Current charger |
| CN102624054A (en) * | 2012-03-26 | 2012-08-01 | 北京物资学院 | Charging device and method with adjustable output current in constant current charging stage |
| CN103501031A (en) * | 2013-10-09 | 2014-01-08 | 山东康威通信技术股份有限公司 | Super capacitor charging control circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115509293A (en) * | 2022-09-15 | 2022-12-23 | 中国船舶重工集团公司七五0试验场 | Sonar transmitting power regulation and control circuit, system and control method |
| CN115509293B (en) * | 2022-09-15 | 2024-01-23 | 中国船舶重工集团公司七五0试验场 | Sonar emission power regulation circuit, system and control method |
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Application publication date: 20150311 |