CN107979296A - A kind of gift electromechanical source - Google Patents
A kind of gift electromechanical source Download PDFInfo
- Publication number
- CN107979296A CN107979296A CN201711127524.7A CN201711127524A CN107979296A CN 107979296 A CN107979296 A CN 107979296A CN 201711127524 A CN201711127524 A CN 201711127524A CN 107979296 A CN107979296 A CN 107979296A
- Authority
- CN
- China
- Prior art keywords
- field
- effect tube
- comparator
- output terminal
- grid
- 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
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/125—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
- H02H7/1252—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers responsive to overvoltage in input or output, e.g. by load dump
-
- 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
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electronic Switches (AREA)
Abstract
The invention discloses a kind of gift electromechanical source,It includes analog-to-digital conversion module,Division module,First field-effect tube,Second field-effect tube,3rd field-effect tube,First comparator,Second comparator and sampling resistor,The output terminal connection division module of analog-to-digital conversion module and the drain electrode of the first field-effect tube,Division module connects the grid of the first field-effect tube and the grid of the second field-effect tube respectively,The source electrode of first field-effect tube connects the drain electrode of the second field-effect tube,The drain electrode of 3rd field-effect tube,The reverse input end of second comparator and one end of sampling resistor,The positive input of first comparator connects the reverse input end of the second comparator,The grid of output the 3rd field-effect tube of termination of the output terminal of first comparator and the second comparator,The source electrode of second field-effect tube,The source electrode of 3rd field-effect tube and the other end ground connection of sampling resistor.Output voltage can be limited in prescribed limit by the power supply.
Description
Technical field
The present invention relates to power technique fields, more particularly to a kind of gift electromechanical source.
Background technology
The equipment such as the game machines of various casino or gamings, gift apparatus have output voltage stringent demand, and output voltage cannot
Beyond defined scope, otherwise easy damage power supply, still, the limitation of the gift apparatus of the prior art not to output voltage, which has, appoints
What measure, even if output voltage still can be run beyond defined scope gift apparatus, and this can cause equipment failure rate to raise.
The content of the invention
The invention mainly solves the technical problem of providing a kind of gift electromechanical source, and output voltage can be limited to regulation
In the range of.
In order to solve the above technical problems, one aspect of the present invention is：A kind of gift electromechanical source is provided, including
Analog-to-digital conversion module, division module, the first field-effect tube, the second field-effect tube, the 3rd field-effect tube, first comparator, second
Comparator and sampling resistor, the input terminal of the analog-to-digital conversion module are used for input ac power, the analog-to-digital conversion module
The input terminal of output terminal connection division module and the drain electrode of the first field-effect tube, the first output terminal connection the of the division module
The grid of one field-effect tube, the second output terminal of the division module connect the grid of the second field-effect tube, first effect
Should pipe source electrode connection the drain electrode of the second field-effect tube, the drain electrode of the 3rd field-effect tube, the second comparator reverse input end and
One end of sampling resistor, the positive input of the first comparator connect the reverse input end of the second comparator, first ratio
Reverse input end compared with device inputs first threshold voltage, and the positive input of second comparator inputs second threshold voltage,
The grid of output the 3rd field-effect tube of termination of the output terminal of the first comparator and the second comparator, second field-effect
The other end ground connection of the source electrode of pipe, the source electrode of the 3rd field-effect tube and sampling resistor.
Wherein, the first indicator light, institute are equipped between the output terminal of the first comparator and the grid of the 3rd field-effect tube
State and the second indicator light is equipped between the output terminal of the second comparator and the grid of the 3rd field-effect tube, the 3rd field-effect tube
The 3rd indicator light is equipped between drain electrode and sampling resistor.
The beneficial effects of the invention are as follows：The situation of the prior art is different from, the present invention by AC power by being converted into number
After word power supply, partial pressure is carried out to digital power by the first field-effect tube and the second field-effect tube, obtains two kinds of output voltages, and
And two kinds of output voltages can arbitrarily switch under the control of switch controller, first comparator and the second comparator determine
The voltage of output is if it exceeds prescribed limit, then terminate power supply output, so as to which output voltage is limited in prescribed limit.
Brief description of the drawings
Fig. 1 is the circuit diagram of gift electromechanical source of the embodiment of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
It is the circuit diagram of gift electromechanical source of the embodiment of the present invention refering to Fig. 1.The gift electromechanical source of the present embodiment includes
Analog-to-digital conversion module 1, division module 2, the first field-effect tube M1, the second field-effect tube M2, the 3rd field-effect tube M3, first are compared
Device 3, the second comparator 4 and sampling resistor R.
The input terminal of analog-to-digital conversion module 1 is used for input ac power, the output terminal connection partial pressure mould of analog-to-digital conversion module 1
The drain electrode of the input terminal of block 2 and the first field-effect tube M1, the first output terminal of division module 2 connect the grid of the first field-effect tube M1
Pole, the second output terminal of division module 2 connect the grid of the second field-effect tube M2, the source electrode connection second of the first field-effect tube M1
The drain electrode of field-effect tube M2, the drain electrode of the 3rd field-effect tube M3, the one of the reverse input end of the second comparator 4 and sampling resistor R
End, the positive input of first comparator 3 connect the reverse input end of the second comparator 4, and the reverse input end of first comparator 3 is defeated
Enter first threshold voltage, the positive input input second threshold voltage of the second comparator 4, the output terminal of first comparator 3 and
The grid of the 3rd field-effect tube M3 of output termination of second comparator 4, source electrode, the 3rd field-effect tube M3 of the second field-effect tube M2
Source electrode and sampling resistor R the other end ground connection.
The game machine of use power work principle of the present embodiment is：AC power is converted to digital electricity by analog-to-digital conversion module 1
Source, transformed digital voltage are, for example, 10V, and 10V voltages are further depressured by division module 2, and respectively by the first output terminal
Being exported with the second output terminal, the voltage after decompression can drive the first field-effect tube M1 and the second field-effect tube M2 open-minded, and first
The source electrode of field-effect tube M1 is as power output end, power output end output 5V voltages, that is, power output end output first
Partial pressure on field-effect tube M1 and the second field-effect tube M2.
First threshold voltage can be set to 5V, and second threshold voltage can be set to 5.3V, then the voltage on sampling resistor R
It is assumed to be 5.5V, i.e. the voltage of power output end is 5.5V, then the voltage of power output end is beyond 5.3V, the second comparator
4 output terminal output high level causes the 3rd field-effect tube M3 to turn on, and power output end is short-circuited, and power supply can not use；If
Voltage on sampling resistor R is 4.8V, i.e., the voltage of power output end is 4.8V, then the voltage of power output end is less than 5V,
The output terminal output high level of first comparator 3 causes the 3rd field-effect tube M3 to turn on, and power output end is short-circuited, and power supply can not
Use, if the voltage on fruit sampling resistor R is 5.1V, i.e. the voltage of power output end is 5.1V, first comparator 3 and second
The output terminal of comparator 4 exports low level, and power supply can be with normal use.
In the present embodiment, first is equipped between the grid of the output terminal of first comparator 3 and the 3rd field-effect tube M3 to refer to
Show lamp L1, the second indicator light L2, the 3rd effect are equipped between the output terminal of the second comparator 4 and the grid of the 3rd field-effect tube M3
Should pipe M3 drain electrode and sampling resistor R between be equipped with the 3rd indicator light L3.If power supply can not use, the first indicator light L1 or
Two indicator light L2 are bright, if power supply can be with normal use, the 3rd indicator light L3 is bright, in order to distinguish, the first indicator light L1 or second
Indicator light L2 is red colored lamp, and the 3rd indicator light L3 is green light.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made, is directly or indirectly used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (2)
- A kind of 1. gift electromechanical source, it is characterised in that including analog-to-digital conversion module, division module, the first field-effect tube, second Effect pipe, the 3rd field-effect tube, first comparator, the second comparator and sampling resistor, the input terminal of the analog-to-digital conversion module For input ac power, the input terminal of the output terminal of analog-to-digital conversion module connection division module and the first field-effect tube Drain electrode, the first output terminal of the division module connect the grid of the first field-effect tube, the second output terminal of the division module The grid of the second field-effect tube is connected, the source electrode of first field-effect tube connects the drain electrode of the second field-effect tube, the 3rd effect Should pipe drain electrode, the reverse input end of the second comparator and one end of sampling resistor, the positive input of the first comparator Connect the reverse input end of the second comparator, the reverse input end input first threshold voltage of the first comparator, described second The output terminal of the positive input input second threshold voltage of comparator, the output terminal of the first comparator and the second comparator Connect the grid of the 3rd field-effect tube, the source electrode of second field-effect tube, the source electrode of the 3rd field-effect tube and sampling resistor it is another One end is grounded.
- 2. gift electromechanical source according to claim 1, it is characterised in that the output terminal of the first comparator and the 3rd The first indicator light is equipped between the grid of effect pipe, between the output terminal of second comparator and the grid of the 3rd field-effect tube Equipped with the second indicator light, the 3rd indicator light is equipped between the drain electrode of the 3rd field-effect tube and sampling resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711127524.7A CN107979296A (en) | 2017-11-15 | 2017-11-15 | A kind of gift electromechanical source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711127524.7A CN107979296A (en) | 2017-11-15 | 2017-11-15 | A kind of gift electromechanical source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107979296A true CN107979296A (en) | 2018-05-01 |
Family
ID=62013390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711127524.7A Pending CN107979296A (en) | 2017-11-15 | 2017-11-15 | A kind of gift electromechanical source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107979296A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800412A (en) * | 2010-04-07 | 2010-08-11 | 海洋王照明科技股份有限公司 | Power protection circuit and LED device |
| CN202085072U (en) * | 2011-06-15 | 2011-12-21 | 迈普通信技术股份有限公司 | Switch-type DC (direct current) stabilized power supply |
-
2017
- 2017-11-15 CN CN201711127524.7A patent/CN107979296A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101800412A (en) * | 2010-04-07 | 2010-08-11 | 海洋王照明科技股份有限公司 | Power protection circuit and LED device |
| CN202085072U (en) * | 2011-06-15 | 2011-12-21 | 迈普通信技术股份有限公司 | Switch-type DC (direct current) stabilized power supply |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180501 |