CN109687725A - A kind of high frequency switch power commutating module - Google Patents
A kind of high frequency switch power commutating module Download PDFInfo
- Publication number
- CN109687725A CN109687725A CN201910080845.9A CN201910080845A CN109687725A CN 109687725 A CN109687725 A CN 109687725A CN 201910080845 A CN201910080845 A CN 201910080845A CN 109687725 A CN109687725 A CN 109687725A
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- module
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- input terminal
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- power source
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Classifications
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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
- 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
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- 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
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/325—Means for protecting converters other than automatic disconnection with means for allowing continuous operation despite a fault, i.e. fault tolerant converters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a kind of high frequency switch power commutating modules; including microprocessor, exchange input module, direct current output module, rectifier stack, main power source and backup power source; the output end of the exchange input module and the input terminal of rectifier stack connect; the output end of the main power source and backup power source is connect with the input terminal of direct current output module; the output end of the rectifier stack is connect with the input terminal of circuit switch and protective switch respectively; the output end of the circuit switch and the input terminal of backup power source connect, and the present invention relates to technical fields.The high frequency switch power commutating module, voltage detecting system, which is arranged, to carry out real-time monitoring to the voltage of device main circuit, if overtension, which can access backup power source in circuit, shares voltage, make the sustainable work of main power source, and backup power source can also be accessed in circuit when brownout and be used for auxiliary power supply, make the output voltage of device keep stablizing, and then ensure that the stability that whole equipment uses.
Description
Technical field
The present invention relates to technical field, specially a kind of high frequency switch power commutating module.
Background technique
Rectification is a kind of physical phenomenon, refers to the current amplitude size positive and reverse in the case where identical driving force pushes
Difference, rectification: the form of adjustment air-flow, water flow or electric current, or the form of air-flow, water flow or electric current can be adjusted.In electricity
In terms of power electronics: be that direct current is known as AC/DC transformation by convert alternating current, the power flow direction of this transformation be transmitted to by power supply it is negative
It carries, referred to as rectifies.Rectification circuit is that the alternating voltage of positive and negative variation is become unidirectional arteries and veins using the unilateral conduction of diode
The circuit of dynamic voltage.Under the action of AC power source, rectifier diode periodically on and off makes load obtain pulsation straight
Galvanic electricity.In the positive half cycle of power supply, diode current flow keeps the electric current in load identical with voltage waveform shape；In power supply electricity
The negative half period of pressure, diode are in reverse blocking state, bear power supply negative half period voltage, and load voltage is almost nil.
" micro- station precious " is solves the problems, such as that small micro- website exists for electric and mating can not monitor, design it is a meet it is micro-
The integrated machine cabinet that yard scape uses, it can power for the main equipment of website, guarantee backup power supply, and the dynamic of website may be implemented
Force environment monitoring, and convenient to carry out and maintenance." micro- station is precious " one can effectively solve volume, capacity, the appearance of conventional backup power supply
And the problems such as monitoring, reliable guarantee is provided for website stable operation.
Rectification module is only to have the function of using AC rectification for equipment for direct current in existing micro- station treasured,
Do not have monitoring power supply and circuit function, practicability is smaller, be affected by circuit voltage etc., circuit when something goes wrong,
Circuit disconnects then rectification module and is not available, and influences the normal work of equipment.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of high frequency switch power commutating modules, solve existing
Rectification module is only to have the function of using AC rectification for equipment for direct current, and practicability is smaller, by circuit voltage
Deng be affected, when something goes wrong, circuit disconnects then rectification module and is not available circuit, and what is affected the normal operation of the equipment asks
Topic.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of high frequency switch power rectification mould
Block, including microprocessor, exchange input module, direct current output module, rectifier stack, main power source and backup power source, the exchange
The output end of input module and the input terminal of rectifier stack connect, and the output end of the main power source and backup power source is defeated with direct current
The input terminal connection of module, the output end of the rectifier stack are connect with the input terminal of circuit switch and protective switch respectively out,
The output end of the circuit switch and the input terminal of backup power source connect, the input of the output end and main power source of the protective switch
End connection, the microprocessor are bi-directionally connected with voltage detecting system and power testing system realization respectively, the microprocessor
Output end and the input terminal of circuit switch connect, the input terminal of the output end of the voltage detecting system and rectifier stack connects
Connect, the input terminal of the output end of the power testing system and backup power source connects, the microprocessor and backup power source it is defeated
Outlet is connect with the input terminal of compression relief cock, and the output end of the compression relief cock and the input terminal of electrical equipment connect.
Preferably, the voltage detecting system includes voltage detector, under-voltage contrast module, over-voltage contrast module and voltage
Feedback module, the output end of the voltage detector are defeated with rectifier stack, under-voltage contrast module and over-voltage contrast module respectively
Enter end connection.
Preferably, the output end of the under-voltage contrast module and over-voltage contrast module with the input terminal of voltage feedback module
Connection, the output end of the voltage feedback module and the input terminal of microprocessor connect, the output end difference of the microprocessor
It is connect with the input terminal of under-voltage contrast module and over-voltage contrast module.
Preferably, the power testing system includes electricity monitoring module, lower limit contrast module, upper limit contrast module, electricity
Feedback module and electric quantity change logging modle are measured, the output end of the electricity monitoring module is compared with backup power source, lower limit respectively
Module, upper limit contrast module are connected with the input terminal of electric quantity change logging modle.
Preferably, input terminal of the output end of the lower limit contrast module and upper limit contrast module with electricity feedback module
Connection, the output end of the electricity feedback module and the input terminal of microprocessor connect.
Preferably, the output end of the microprocessor connects with the input terminal of lower limit contrast module and upper limit contrast module respectively
It connects, the output end of the electric quantity change logging modle and the input terminal of microprocessor connect.
Preferably, the rectifier stack includes that filter, AC rectification module, passive PFC and filtering export serial ports, described
The output end of filter is connect with the input terminal of AC rectification module, and the output end of the AC rectification module is with passive PFC's
The output end of input terminal connection, the passive PFC is connect with the input terminal of filtering output serial ports.
Preferably, the electrical equipment includes alarm elements and heat dissipation element.
(3) beneficial effect
The present invention provides a kind of high frequency switch power commutating modules.Compared with prior art, have it is following the utility model has the advantages that
(1), the high frequency switch power commutating module, by by the output end of main power source and backup power source and direct current output
The input terminal of module connects, and the output end of rectifier stack is connect with the input terminal of circuit switch and protective switch respectively, and circuit is opened
The output end of pass and the input terminal of backup power source connect, and the output end of protective switch and the input terminal of main power source connect, micro process
Device is bi-directionally connected with voltage detecting system realization, and the output end of microprocessor and the input terminal of circuit switch connect, voltage detecting
The output end of system and the input terminal of rectifier stack connect, and setting voltage detecting system can carry out the voltage of device main circuit real
When monitor, if overtension, which can access backup power source in circuit, share voltage, make the sustainable work of main power source, and brownout
When backup power source can also be accessed in circuit and be used for auxiliary power supply, make the output voltage of device keep stablizing, and then ensure that whole
The stability that a equipment uses.
(2), high frequency switch power commutating module, by by the input of the output end of power testing system and backup power source
End connection, power testing system include electricity monitoring module, lower limit contrast module, upper limit contrast module, electricity feedback module and
Electric quantity change logging modle, the output end of electricity monitoring module respectively with backup power source, lower limit contrast module, upper limit contrast module
It is connected with the input terminal of electric quantity change logging modle, the output end of lower limit contrast module and upper limit contrast module is fed back with electricity
The input terminal of module connects, and the output end of electricity feedback module and the input terminal of microprocessor connect, the output end of microprocessor
It is connect respectively with the input terminal of lower limit contrast module and upper limit contrast module, the output end and micro process of electric quantity change logging modle
The input terminal of device connects, and using the cooperation of lower limit contrast module, upper limit contrast module, the electricity of backup power source is controlled certain
In range, there are lower limits can be used to ensure that emergency service uses, and there are certain surpluses for the upper limit, can be in main circuit overtension
And when access circuit, charging can be continued to alleviate circuit pressure, ensure that backup power source is in can use state at any time.
(3), the high frequency switch power commutating module, by the way that microprocessor and power testing system realization are bi-directionally connected,
The output end of microprocessor and backup power source is connect with the input terminal of compression relief cock, the output end and electrical equipment of compression relief cock
Input terminal connection, electrical equipment includes alarm elements and heat dissipation element, and setting electrical equipment can continue excessively high and standby in voltage
In the state of being also filled with electricity in power supply, alarm is carried out using alarm elements, high voltage circuit is dispersed using heat dissipation element and produces
Raw heat, while can be relieved the high voltage of circuit, keep equipment operation more stable.
Detailed description of the invention
Fig. 1 is system principle diagram of the invention；
Fig. 2 is the functional block diagram of power testing system of the present invention；
Fig. 3 is the functional block diagram of voltage detecting system of the present invention；
Fig. 4 is the functional block diagram of rectifier stack of the present invention.
In figure, 1- microprocessor, 2- exchange input module, 3- direct current output module, 4- rectifier stack, 41- filter,
42- AC rectification module, 43- passive PFC, 44- filtering output serial ports, 5- main power source, 6- backup power source, 7- circuit switch, 8-
Power testing system, 81- electricity monitoring module, 82- lower limit contrast module, 83- upper limit contrast module, 84- electricity feedback module,
85- electric quantity change logging modle, 9- voltage detecting system, 91- voltage detector, 92- is under-voltage contrast module, 93- over-voltage comparison
Module, 94- voltage feedback module, 10- protective switch, 11- compression relief cock, 12- electrical equipment, 121- alarm elements, 122- dissipate
Thermal element.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the embodiment of the present invention provides a kind of technical solution: a kind of high frequency switch power commutating module, packet
Include microprocessor 1, exchange input module 2, direct current output module 3, rectifier stack 4, main power source 5 and backup power source 6, microprocessor
1 is ARM9 series microprocessor, and the output end of microprocessor 1 is defeated with lower limit contrast module 82 and upper limit contrast module 83 respectively
Enter end connection, the output end of electric quantity change logging modle 85 is connect with the input terminal of microprocessor 1, utilizes lower limit contrast module
82, the cooperation of upper limit contrast module 83 in a certain range by the electricity control of backup power source 6 can be used for protecting there are lower limit
It demonstrate,proves emergency service to use, and the upper limit is there are certain surplus, can continue to charge in main circuit overtension and when access circuit
To alleviate circuit pressure, ensure that backup power source 6 be in can use state at any time, rectifier stack 4 includes that filter 41, exchange are whole
Flow module 42, passive PFC43 and filtering output serial ports 44, filter 41 are H1102NL model filter, the full name in English of PFC
It for " Power Factor Correction ", means " PFC ", power factor refers to effective power and total consumption
Relationship between electricity (apparent energy), that is, effective power is divided by the ratio of total power consumption (apparent energy), filter 41
Output end connect with the input terminal of AC rectification module 42, the input of the output end of AC rectification module 42 and passive PFC43
End connection, the output end of passive PFC43 connects with the input terminal of filtering output serial ports 44, the output end of exchange input module 2 and
The input terminal of rectifier stack 4 connects, and the output end of main power source 5 and backup power source 6 connects with the input terminal of direct current output module 3
It connects, the output end of rectifier stack 4 is connect with the input terminal of circuit switch 7 and protective switch 10 respectively, the output end of circuit switch 7
It is connect with the input terminal of backup power source 6, the output end of protective switch 10 is connect with the input terminal of main power source 5, and microprocessor 1 is distinguished
It is bi-directionally connected with voltage detecting system 9 and the realization of power testing system 8, voltage detecting system 9 includes voltage detector 91, under-voltage
Contrast module 92, over-voltage contrast module 93 and voltage feedback module 94, voltage detector 91 are HVC54 model voltage detector,
The output end of voltage detector 91 connects with the input terminal of rectifier stack 4, under-voltage contrast module 92 and over-voltage contrast module 93 respectively
It connects, the output end of under-voltage contrast module 92 and over-voltage contrast module 93 is connect with the input terminal of voltage feedback module 94, voltage
The output end of feedback module 94 is connect with the input terminal of microprocessor 1, the output end of microprocessor 1 respectively with under-voltage contrast module
92 connect with the input terminal of over-voltage contrast module 93, and power testing system 8 includes electricity monitoring module 81, lower limit contrast module
82, upper limit contrast module 83, electricity feedback module 84 and electric quantity change logging modle 85, under-voltage contrast module 92, over-voltage comparison
Module 93, lower limit contrast module 82 and upper limit contrast module 83 are LM239 model data contrast device, electricity monitoring module 81
The output end input with backup power source 6, lower limit contrast module 82, upper limit contrast module 83 and electric quantity change logging modle 85 respectively
The output end of end connection, lower limit contrast module 82 and upper limit contrast module 83 is connect with the input terminal of electricity feedback module 84,
The output end of electricity feedback module 84 is connect with the input terminal of microprocessor 1, output end and the circuit switch 7 of microprocessor 1
Input terminal connection, the output end of voltage detecting system 9 are connect with the input terminal of rectifier stack 4, and setting voltage detecting system 9 can be right
The voltage of device main circuit carries out real-time monitoring, if overtension, which can access backup power source 6 in circuit, shares voltage, makes main electricity
The sustainable work in source 5, and backup power source 6 can also be accessed in circuit when brownout and be used for auxiliary power supply, make the output of device
Voltage keeps stablizing, and then ensure that the stability that whole equipment uses, the output end and backup power source 6 of power testing system 8
Input terminal connection, the output end of microprocessor 1 and backup power source 6 connect with the input terminal of compression relief cock 11, compression relief cock
11 output end is connect with the input terminal of electrical equipment 12, and electrical equipment 12 includes alarm elements 121 and heat dissipation element 122, if
Set electrical equipment 12 can voltage continue it is excessively high and in the state that electricity is also filled in backup power source 6, using alarm elements 121 into
Row alarm, the heat of high voltage circuit generation is dispersed using heat dissipation element 122, while can be relieved the high voltage of circuit, makes equipment
It runs more stable.
Before use, being that under-voltage contrast module 92 sets a standard value by microprocessor 1, lower than the voltage of the standard value
It is judged as under-voltage, sets a standard value for over-voltage contrast module 93, the voltage higher than the standard value is judged as over-voltage；By micro-
Processor 1 is the electricity lower limit of the setting of lower limit contrast module 82 30%, for the electricity upper limit of the setting of upper limit contrast module 83 80%.
In use, exchange input module 2 receives alternating current, transmits it to rectifier stack 4 and be changed into direct current, then lead to
Overprotection switch 10 is transmitted to main power source 5, and main power source 5 is equipment power supply by direct current output module 3, and voltage detector 91 is real-time
The voltage of rectifier stack 4 is monitored, and is compared by under-voltage contrast module 92, over-voltage contrast module 93, when the electricity compared
When pressure value is lower than under-voltage standard value, voltage feedback module 94 feeds back under-voltage signal to microprocessor 1, and microprocessor 1 controls spare
The starting auxiliary main power source 5 of power supply 6 is powered, when the voltage value compared is higher than over-voltage standard value, voltage feedback module 94
Over-voltage signal is fed back to microprocessor 1, and microprocessor 1 controls protective switch 10 and is closed, and the access circuit of backup power source 6 is filled
Electricity makes backup power source 6 share voltage.
Electricity monitoring module 81 monitors 6 real-time perfoming electricity of backup power source when routine use, when lower limit contrast module 82
When the electricity of the backup power source 6 compared is lower than 30%, voltage feedback module 94 feeds back to microprocessor 1, makes its control protection
Switch 10 is closed, and is charged in the case where circuit voltage does not have under-voltage for backup power source 6, when upper limit contrast module 83 compares
When the electricity of the backup power source 6 arrived is higher than 80%, control protective switch 10 is disconnected；Under overpressure situation, if the electricity of backup power source 6
Amount has been filled with, and microprocessor 1 controls compression relief cock 11 and is closed, and the electricity of backup power source 6 is made to flow into electrical equipment 12, keeps alarm first
Part 121 carries out alarm, and the heat of high voltage circuit generation is dispersed using heat dissipation element 122, and electric quantity change logging modle 85 will
The electric quantity change trend record that electricity monitoring module 81 detects is got off, and is referred to for administrative staff, in 6 electric quantity change of backup power source
It can be overhauled when abnormal.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of high frequency switch power commutating module, including microprocessor (1), exchange input module (2), direct current output module
(3), rectifier stack (4), main power source (5) and backup power source (6), the output end and rectifier stack of exchange input module (2)
(4) input terminal of the output end of input terminal connection, the main power source (5) and backup power source (6) with direct current output module (3)
Connection, it is characterised in that: the output end of the rectifier stack (4) input with circuit switch (7) and protective switch (10) respectively
End connection, the output end of the circuit switch (7) connect with the input terminal of backup power source (6), the protective switch (10) it is defeated
Outlet is connect with the input terminal of main power source (5), the microprocessor (1) respectively with voltage detecting system (9) and electric power detection system
System (8) realizes and is bi-directionally connected that the output end of the microprocessor (1) is connect with the input terminal of circuit switch (7), the voltage inspection
The output end of examining system (9) is connect with the input terminal of rectifier stack (4), the output end of the power testing system (8) with it is spare
The input terminal of power supply (6) connects, and the output end of the microprocessor (1) and backup power source (6) is defeated with compression relief cock (11)
Enter end connection, the output end of the compression relief cock (11) is connect with the input terminal of electrical equipment (12).
2. a kind of high frequency switch power commutating module according to claim 1, it is characterised in that: the voltage detecting system
It (9) include voltage detector (91), under-voltage contrast module (92), over-voltage contrast module (93) and voltage feedback module (94), institute
State the output end of voltage detector (91) respectively with rectifier stack (4), under-voltage contrast module (92) and over-voltage contrast module (93)
Input terminal connection.
3. a kind of high frequency switch power commutating module according to claim 2, it is characterised in that: the under-voltage contrast module
(92) it is connect with the input terminal of voltage feedback module (94) with the output end of over-voltage contrast module (93), the Voltage Feedback mould
The output end of block (94) is connect with the input terminal of microprocessor (1), the output end of the microprocessor (1) respectively with under-voltage comparison
Module (92) is connected with the input terminal of over-voltage contrast module (93).
4. a kind of high frequency switch power commutating module according to claim 1, it is characterised in that: the power testing system
(8) include electricity monitoring module (81), lower limit contrast module (82), upper limit contrast module (83), electricity feedback module (84) and
Electric quantity change logging modle (85), the output end of the electricity monitoring module (81) compare mould with backup power source (6), lower limit respectively
Block (82), upper limit contrast module (83) are connected with the input terminal of electric quantity change logging modle (85).
5. a kind of high frequency switch power commutating module according to claim 4, it is characterised in that: the lower limit contrast module
(82) it is connect with the input terminal of electricity feedback module (84) with the output end of upper limit contrast module (83), the electricity feeds back mould
The output end of block (84) is connect with the input terminal of microprocessor (1).
6. a kind of high frequency switch power commutating module according to claim 4, it is characterised in that: the microprocessor (1)
Output end connect respectively with the input terminal of lower limit contrast module (82) and upper limit contrast module (83), electric quantity change record
The output end of module (85) is connect with the input terminal of microprocessor (1).
7. a kind of high frequency switch power commutating module according to claim 1, it is characterised in that: the rectifier stack (4)
Including filter (41), AC rectification module (42), passive PFC (43) and filtering output serial ports (44), the filter (41)
Output end connect with the input terminal of AC rectification module (42), the output end of the AC rectification module (42) and passive PFC
(43) input terminal connection, the output end of the passive PFC (43) are connect with the input terminal of filtering output serial ports (44).
8. a kind of high frequency switch power commutating module according to claim 1, it is characterised in that: the electrical equipment (12)
Including alarm elements (121) and heat dissipation element (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080845.9A CN109687725A (en) | 2019-01-28 | 2019-01-28 | A kind of high frequency switch power commutating module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080845.9A CN109687725A (en) | 2019-01-28 | 2019-01-28 | A kind of high frequency switch power commutating module |
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| CN109687725A true CN109687725A (en) | 2019-04-26 |
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| CN201910080845.9A Pending CN109687725A (en) | 2019-01-28 | 2019-01-28 | A kind of high frequency switch power commutating module |
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| US20150005976A1 (en) * | 2013-06-28 | 2015-01-01 | Sony Corporation | Power supply switching circuit, electronic device, and control method of power supply switching circuit |
| CN104967202A (en) * | 2015-06-12 | 2015-10-07 | 杭州摇光科技有限公司 | Smart lock and power supply system thereof |
| CN104935072A (en) * | 2015-07-02 | 2015-09-23 | 华为技术有限公司 | Switch control method and apparatus for reserve power supply |
| CN206559134U (en) * | 2017-03-15 | 2017-10-13 | 中国神华能源股份有限公司 | Stand-by power supply discharge control device |
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