CN106130172A - Battery supply set emergency standby power accesses protection system - Google Patents
Battery supply set emergency standby power accesses protection system Download PDFInfo
- Publication number
- CN106130172A CN106130172A CN201610602215.XA CN201610602215A CN106130172A CN 106130172 A CN106130172 A CN 106130172A CN 201610602215 A CN201610602215 A CN 201610602215A CN 106130172 A CN106130172 A CN 106130172A
- Authority
- CN
- China
- Prior art keywords
- standby power
- emergency standby
- relay
- power
- circuit
- 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.)
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Classifications
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/002—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of inverted polarity or connection; with switching for obtaining correct connection
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The present invention relates to battery supply set emergency standby power and access protection system, including internal motherboard circuit, emergency standby power, described internal motherboard circuit is connected to emergency standby power by a stand-by power supply detection with accessing circuit；The detection of described stand-by power supply and access circuit include relay J DQ1 being connected to the positive and negative interpolar of emergency standby power, and the contact sets switch of described relay J DQ1 electrically connects with internal motherboard circuit, emergency standby power respectively.The present invention uses relay J DQ1 control emergency standby power input to be connected with internal motherboard circuit, when not connecing emergency standby power or emergency standby power accesses incorrect polarity, and emergency standby power and internal mainboard disconnection；When emergency standby power input is correct, emergency standby power is connected with internal mainboard, thus realizes the reliably protecting to internal motherboard circuit.
Description
Technical field
The present invention relates to battery supply set technical field, be specifically related to a kind of battery supply set emergency standby power and connect
Enter protection system.
Background technology
Battery supply set such as electronic lock etc. containing emergency standby power interface at present, their stand-by power supply is adopted mostly
With being directly connected to the main power source of internal circuit, or emergency service by the way of the main power source that diode is connected to internal circuit,
Though these scheme circuit are simple, low cost, but safety is poor, to electrostatic, input power positive-negative polarity misconnection, or input power
Alternating current-direct current mistake and housing is charged etc. that situation protective capacities is poor, can directly damage motherboard circuit, cause user's greater loss.Also have
Use equipment Master control chip gather emergency standby power port voltage, then by the devices such as switching tube control whether use
Emergency standby power is powered, but this scenario-frame is complex, and protection device is more, although port has certain protection
Ability, but be connected owing to port has with internal circuit, therefore add forceful electric power or terminal to maloperation situations such as housing band forceful electric power at terminal
Under, still internal circuit can be caused damage.
Summary of the invention
The goal of the invention of the present invention is for above weak point, it is provided that a kind of employing relay J DQ1 is to prevent equipment shell
The battery supply set emergency standby power of damage is caused to access protection system internal motherboard circuit when body or port are charged.
The technical scheme realizing foregoing invention purpose is: a kind of battery supply set emergency standby power accesses protection system
System, including internal motherboard circuit, emergency standby power, described internal motherboard circuit is detected by a stand-by power supply and accesses circuit
It is connected to emergency standby power；
The detection of described stand-by power supply and access circuit include the relay being connected to the positive and negative interpolar of emergency standby power
JDQ1, the contact sets switch of described relay J DQ1 electrically connects with internal motherboard circuit, emergency standby power respectively, by controlling
Guan Bi and then the control emergency standby power internally motherboard circuit of described relay J DQ1 contact sets switch are powered.
Control the correct the most internally motherboard circuit of emergency standby power by relay J DQ1 to power, only relay J DQ1 with
Emergency standby power connects, and relay J DQ1 controls foot and there is voltage difference, the contact sets adhesive of relay J DQ1, internal mainboard electricity
Road could obtain electric current；The contact sets switch of described relay J DQ1 includes that A group contact and B group contact, A group contact and B group are touched
Point all includes that COM end, NO end and NC end, the COM end of A group contact are connected with the stand-by power supply input of internal motherboard circuit, A group
The NO end of contact is connected with the positive terminal of emergency standby power, the COM end ground connection of B group contact, and the NO end of B group contact is with emergent
The negative pole end of stand-by power supply is connected.
By arranging diode D2, prevent from being burnt out by inside motherboard circuit during the incorrect polarity of connect emergency standby power,
The internal motherboard circuit of protection；The COM end of the A group contact of described relay J DQ1 and the stand-by power supply input of internal motherboard circuit
Between be also in series with for judging the diode D2 that supplied electric power polarity is the most correct, the positive pole of described diode D2 and A group
The COM end of contact connects, and the negative pole of diode D2 is connected with the stand-by power supply input of internal motherboard circuit.
The both positive and negative polarity of relay J DQ1 docks with the both positive and negative polarity of emergency standby power so that relay J DQ1 obtains power supply,
So that the contact sets Guan Bi of relay J DQ1, critesistor PTC1 is set and prevents the overheated damage to circuit；Described relay
The positive pole of JDQ1 is connected with the positive pole of emergency standby power, and the negative pole of relay J DQ1 is connected with the negative pole of emergency standby power,
The positive pole of relay J DQ1 is also in series with critesistor PTC1 with the positive interpolar of emergency standby power.
The running voltage of relay J DQ1 selected adapts with the operating current of relay J DQ1, the critesistor of selection
The protection voltage of PTC1 should adapt with the output voltage of emergency standby power, to ensure the normal work of component；Described
The running voltage of relay J DQ1 adapts with the output voltage of connect emergency standby power, the protection of described critesistor PTC1
Electric current adapts with the operating current of relay J DQ1.
The positive and negative interpolar of a relay J DQ1 diode D1 in parallel, prevents the coil breakage moment of relay J DQ1 from producing
High voltage destroy circuit；Diode D1 also it is parallel with between the positive pole of described relay J DQ1 and negative pole, described diode D1's
Anode is connected with the negative pole of relay J DQ1, and the negative electrode of diode D1 is connected with the positive pole of relay J DQ1.
Described internal motherboard circuit is a battery powered power-saving circuit with complete function.Inside such as electronic lock
Motherboard circuit: its circuit includes main control chip (single-chip microcomputer), motor control, button collection, fingerprint module, Voice command, electricity
The complete finger-print cipher unlocking function circuit such as source voltage stabilizing, main control chip passes through power switch circuit discrete device and emergency power
The outfan of power supply connects, and main control chip and the first motor drive module and the second motor drive module connect, and the first motor drives
Dynamic model block connects reducing motor, and the second motor drive module connects motor of unblanking；Described main control chip passes through Voice command
Module connects loudspeaker, and described speech control module uses HRS080-S08 chip；Described main control chip connects has the specification to be
The liquid crystal display screen of 128*64；Described main control chip connects data memory module, and described data memory module uses AT24LC32 core
Sheet；Described main control chip connects induction keyboard, and described induction keyboard uses WTC6212ML-5 keyboard；Described main control chip is adopted
Use PIC16F1519 chip；Main control chip is also associated with other modules；The detection of described stand-by power supply is an energy with access circuit
Detection stand-by power supply input polarity is the most correct, connects outside emergency standby power by the internal motherboard circuit of Control
Interface circuit, when not connecing stand-by power supply or stand-by power supply accesses incorrect polarity, relay not adhesive, stand-by power supply port is with interior
Portion's motherboard circuit disconnects；When stand-by power supply correctly accesses, relay adhesive, stand-by power supply port is with internal motherboard circuit even
Connecing, internal motherboard circuit uses emergency standby power to power；Described emergency standby power, is a moveable power-supply device,
Its output voltage is typically not less than the running voltage of internal motherboard circuit, such as power-supply devices such as aneroid battery, accumulator, charger baby.
For prior art, the invention have the advantages that low cost of the present invention, simple and practical, use relay
JDQ1 controls emergency standby power input port and is connected with internal motherboard circuit, when not connecing emergency standby power or emergency power electricity
When incorrect polarity is accessed in source, the not adhesive of relay J DQ1, diode D2 cut-off, emergency standby power disconnects with internal mainboard；When
When emergency standby power input is correct, the adhesive of relay J DQ1, emergency standby power is connected with internal mainboard, and internally mainboard
Power supply, thus realize the reliably protecting to internal motherboard circuit.
Accompanying drawing explanation
The invention will be further described the most in conjunction with the embodiments:
Fig. 1 is the circuit theory diagrams of the present invention；
Fig. 2 is the circuit block diagram of internal motherboard circuit.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, present invention is described in detail:
As shown in Figure 1-2, a kind of battery supply set emergency standby power accesses protection system, including internal mainboard electricity
Road, emergency standby power, described internal motherboard circuit is connected to emergency power electricity by a stand-by power supply detection with accessing circuit
Source；
The detection of described stand-by power supply and access circuit include the relay being connected to the positive and negative interpolar of emergency standby power
JDQ1, the contact sets switch of described relay J DQ1 electrically connects with internal motherboard circuit, emergency standby power respectively, by controlling
Guan Bi and then the control emergency standby power internally motherboard circuit of described relay J DQ1 contact sets switch are powered.
In the present embodiment, control the correct internally motherboard circuit of emergency standby power by relay J DQ1 to power, only
Having relay J DQ1 to be connected with emergency standby power, relay J DQ1 controls foot and there is voltage difference, the contact sets of relay J DQ1
Adhesive, internal motherboard circuit could obtain electric current；The contact sets switch of described relay J DQ1 includes A group contact and B group contact,
A group contact and B group contact all include COM end, NO end and NC end, the COM end of A group contact and the stand-by power supply of internal motherboard circuit
Input connects, and the NO end of A group contact is connected with the positive terminal of emergency standby power, the COM end ground connection of B group contact, and B group is touched
The NO end of point is connected with the negative pole end of emergency standby power.
In the present embodiment, by arranging diode, by inside master when preventing the incorrect polarity of connect emergency standby power
Plate circuit burns out, the internal motherboard circuit of protection；The COM end of the A group contact of described relay J DQ1 is standby with internal motherboard circuit
Also it is in series with for judging the diode D2 that supplied electric power polarity is the most correct between power input, described diode D2
Positive pole be connected with the COM end of A group contact, the negative pole of diode D2 is connected with the stand-by power supply input of internal motherboard circuit.
In the present embodiment, the both positive and negative polarity of relay J DQ1 docks so that relay with the both positive and negative polarity of emergency standby power
JDQ1 obtains power supply, so that the contact sets Guan Bi of relay J DQ1, arranges critesistor PTC1 and prevents the overheated damage to circuit
Bad；The positive pole of described relay J DQ1 is connected with the positive pole of emergency standby power, the negative pole of relay J DQ1 and emergency power electricity
The negative pole in source connects, and the positive pole of relay J DQ1 is also in series with critesistor PTC1 with the positive interpolar of emergency standby power.
In the present embodiment, the running voltage of relay J DQ1 of selection adapts with the operating current of relay J DQ1,
The protection voltage of the critesistor PTC1 selected should adapt with the output voltage of emergency standby power, to ensure component
Normal work；The running voltage of described relay J DQ1 adapts with the output voltage of connect emergency standby power, described temperature-sensitive
The protective current of resistance PTC1 adapts with the operating current of relay J DQ1.
In the present embodiment, the positive and negative interpolar of a relay J DQ1 diode in parallel, prevent the coil of relay J DQ1
The high voltage that fracture moment produces destroys circuit；Diode D1, institute also it is parallel with between the positive pole of described relay J DQ1 and negative pole
The negative pole of the anode and relay J DQ1 of stating diode D1 is connected, and the negative electrode of diode D1 is connected with the positive pole of relay J DQ1.
In the present embodiment, described internal motherboard circuit is a battery powered power-saving circuit with complete function.
Inside motherboard circuit such as electronic lock: its circuit includes main control chip (single-chip microcomputer), motor control, button collection, fingerprint mould
The complete finger-print cipher unlocking function circuit such as block, Voice command, power supply voltage stabilizing, main control chip is discrete by power switch circuit
Device is connected with the outfan of emergency standby power, and main control chip and the first motor drive module and the second motor drive module are even
Connecing, the first motor drive module connects reducing motor, and the second motor drive module connects motor of unblanking；Described main control chip
Being connected by speech control module and have loudspeaker, described speech control module uses HRS080-S08 chip；Described main control chip is even
It is connected to the liquid crystal display screen that specification is 128*64；Described main control chip connects data memory module, and described data memory module uses
AT24LC32 chip；Described main control chip connects induction keyboard, and described induction keyboard uses WTC6212ML-5 keyboard；Described
Main control chip uses PIC16F1519 chip；Main control chip is also associated with other modules (being specifically shown in Fig. 2)；Described stand-by power supply is examined
Survey and access circuit is one and can detect stand-by power supply input polarity the most correctly, connected by the internal motherboard circuit of Control
Connecing the interface circuit of outside emergency standby power, when not connecing stand-by power supply or stand-by power supply accesses incorrect polarity, relay is not
Adhesive, stand-by power supply port disconnects with internal motherboard circuit；When stand-by power supply correctly accesses, relay adhesive, stand-by power supply
Port is connected with internal motherboard circuit, and internal motherboard circuit uses emergency standby power to power；Described emergency standby power, is one
Individual moveable power-supply device, its output voltage is typically not less than the running voltage of internal motherboard circuit, such as aneroid battery, electric power storage
The power-supply device such as pond, charger baby.
In the present embodiment, the stand-by power supply input port of internal motherboard circuit and stand-by power supply detect and access continuing of circuit
Electrical equipment JDQ1 common port connects, the emergency power supply interface of the normally opened termination battery supply set of relay J DQ1.Work as emergency power
When power supply does not accesses, owing to stand-by power supply detection does not has power supply with accessing circuit, relay J DQ1 controls foot no-voltage, relay
JDQ1 not adhesive, opens a way, electrically with the emergency power supply interface of battery supply set in the stand-by power supply input port of internal motherboard circuit
Completely isolated；When emergency standby power accesses incorrect polarity, due to the one-way conduction characteristic of diode D2, stand-by power supply detects
With access circuit still without obtaining power supply, it is poor that relay J DQ1 controls foot no-voltage, the not adhesive of relay J DQ1, internal mainboard electricity
The emergency power supply interface open circuit of the stand-by power supply input port on road and battery supply set, the most completely isolated；Power when battery and set
When standby emergency power supply input port is simultaneously or single port accesses forceful electric power, owing to stand-by power supply detection is returned with accessing circuit no current
Road, then relay J DQ1 control circuit still no-voltage is poor, the not adhesive of relay J DQ1, the stand-by power supply input of internal motherboard circuit
Mouthful with the emergency power supply interface of battery supply set open circuit, the most completely isolated；Only when emergency standby power accesses correct,
Diode D2 turns on, and stand-by power supply detection obtains power supply with accessing circuit, and relay J DQ1 controls foot voltage difference, relay
JDQ1 adhesive, the internal stand-by power supply input port of motherboard circuit is connected with the emergency power supply interface of battery supply set, internal main
Plate circuit is powered by emergency standby power.
In the present embodiment, when the power output of emergency standby power correctly accesses stand-by power supply detection and accesses circuit
Time, the electric current of emergency standby power passes through critesistor (resettable fuse) PTC1, powers to relay J DQ1, relay
JDQ1 adhesive, the COM end of relay J DQ1 turns on NO end, and emergency standby power is switched by the contact sets of relay J DQ1 again
Powered by the power circuit of diode D2 internally motherboard circuit.Wherein the selection of relay J DQ1 need to be according to emergency power supply
Out-put supply determines, relay J DQ1 preferably selects relay J DQ1 of wide scope running voltage, if emergency power supply is that 9V south is inspired confidence in
During 6LR61 battery, the optional running voltage of relay J DQ1 typically selects resistance to height in about 9V, the selection of critesistor PTC1
Pressure, the device of low current, its protective current need to match with the operating current of relay J DQ1, such as the relay of operating current 20mA
Device JDQ1, critesistor PTC1 are preferably selected running voltage 250V, and protective current is also critesistor (the self-recoverage insurance of 20mA
Silk).
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
It is understood by, the foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (6)
1. battery supply set emergency standby power accesses a protection system, including internal motherboard circuit, emergency standby power,
It is characterized in that: described internal motherboard circuit is connected to emergency standby power by a stand-by power supply detection with accessing circuit；
The detection of described stand-by power supply and access circuit include relay J DQ1 being connected to the positive and negative interpolar of emergency standby power, institute
The contact sets switch stating relay J DQ1 electrically connects with internal motherboard circuit, emergency standby power respectively, continues described in controlling
Guan Bi and then the control emergency standby power internally motherboard circuit of electrical equipment JDQ1 contact sets switch are powered.
Battery supply set emergency standby power the most according to claim 1 accesses protection system, it is characterised in that: described
Relay J DQ1 contact sets switch include A group contact and B group contact, A group contact and B group contact all include COM end, NO end and
NC end, the COM end of A group contact is connected with the stand-by power supply input of internal motherboard circuit, the NO end of A group contact and emergency power
The positive terminal of power supply is connected, the COM end ground connection of B group contact, and the NO end of B group contact is connected with the negative pole end of emergency standby power
Connect.
Battery supply set emergency standby power the most according to claim 2 accesses protection system, it is characterised in that: described
Also it is in series with for judging between COM end and the stand-by power supply input of internal motherboard circuit of the A group contact of relay J DQ1
The diode D2 that supplied electric power polarity is the most correct, the positive pole of described diode D2 is connected with the COM end of A group contact, two poles
The negative pole of pipe D2 is connected with the stand-by power supply input of internal motherboard circuit.
Battery supply set emergency standby power the most according to claim 1 accesses protection system, it is characterised in that: described
The positive pole of relay J DQ1 is connected with the positive pole of emergency standby power, the negative pole of relay J DQ1 and the negative pole of emergency standby power
Connecting, the positive pole of relay J DQ1 is also in series with critesistor PTC1 with the positive interpolar of emergency standby power.
Battery supply set emergency standby power the most according to claim 4 accesses protection system, it is characterised in that: described
The running voltage of relay J DQ1 adapts with the output voltage of connect emergency standby power, the protection of described critesistor PTC1
Electric current adapts with the operating current of relay J DQ1.
Battery supply set emergency standby power the most according to claim 1 accesses protection system, it is characterised in that: described
Diode D1, the anode of described diode D1 and the negative pole of relay J DQ1 also it is parallel with between the positive pole of relay J DQ1 and negative pole
Connecting, the negative electrode of diode D1 is connected with the positive pole of relay J DQ1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602215.XA CN106130172A (en) | 2016-07-28 | 2016-07-28 | Battery supply set emergency standby power accesses protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602215.XA CN106130172A (en) | 2016-07-28 | 2016-07-28 | Battery supply set emergency standby power accesses protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106130172A true CN106130172A (en) | 2016-11-16 |
Family
ID=57290043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610602215.XA Pending CN106130172A (en) | 2016-07-28 | 2016-07-28 | Battery supply set emergency standby power accesses protection system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106130172A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658970A (en) * | 2017-11-08 | 2018-02-02 | 柏宜照明（上海）股份有限公司 | A kind of relay protection circuit for fire-fighting equipment power supply |
| CN111106642A (en) * | 2018-10-29 | 2020-05-05 | 丰田自动车株式会社 | Vehicle and portable device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0736950A1 (en) * | 1995-04-04 | 1996-10-09 | BITRON S.p.A. | Device for protecting electronic circuits against supply battery disconnection (load dump) and/or overvoltages in the electrical supply circuit of motor vehicles |
| CN201004604Y (en) * | 2006-12-07 | 2008-01-09 | 吉林石油集团有限责任公司 | No reverse DC power supply |
| CN201726132U (en) * | 2010-07-16 | 2011-01-26 | 许继集团有限公司 | Double-power direct-current power supply system |
| CN104410342A (en) * | 2014-12-12 | 2015-03-11 | 东莞市精诚电能设备有限公司 | Motor forward and reverse rotation control circuit |
| CN204559196U (en) * | 2015-05-05 | 2015-08-12 | 中国船舶重工集团公司第七一八研究所 | A kind of USB interface-based smart lock Emergency power supply unit |
| CN205321442U (en) * | 2016-01-27 | 2016-06-22 | 垦青(浙江)拉链有限公司 | Waterproof sealing opens tail zip fastener |
-
2016
- 2016-07-28 CN CN201610602215.XA patent/CN106130172A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0736950A1 (en) * | 1995-04-04 | 1996-10-09 | BITRON S.p.A. | Device for protecting electronic circuits against supply battery disconnection (load dump) and/or overvoltages in the electrical supply circuit of motor vehicles |
| CN201004604Y (en) * | 2006-12-07 | 2008-01-09 | 吉林石油集团有限责任公司 | No reverse DC power supply |
| CN201726132U (en) * | 2010-07-16 | 2011-01-26 | 许继集团有限公司 | Double-power direct-current power supply system |
| CN104410342A (en) * | 2014-12-12 | 2015-03-11 | 东莞市精诚电能设备有限公司 | Motor forward and reverse rotation control circuit |
| CN204559196U (en) * | 2015-05-05 | 2015-08-12 | 中国船舶重工集团公司第七一八研究所 | A kind of USB interface-based smart lock Emergency power supply unit |
| CN205321442U (en) * | 2016-01-27 | 2016-06-22 | 垦青(浙江)拉链有限公司 | Waterproof sealing opens tail zip fastener |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658970A (en) * | 2017-11-08 | 2018-02-02 | 柏宜照明（上海）股份有限公司 | A kind of relay protection circuit for fire-fighting equipment power supply |
| CN107658970B (en) * | 2017-11-08 | 2024-05-14 | 柏宜照明（上海）股份有限公司 | Relay protection circuit for fire-fighting equipment power supply |
| CN111106642A (en) * | 2018-10-29 | 2020-05-05 | 丰田自动车株式会社 | Vehicle and portable device |
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Application publication date: 20161116 |