CN205921443U - Battery supply set pre -emergency electric access protection system - Google Patents
Battery supply set pre -emergency electric access protection system Download PDFInfo
- Publication number
- CN205921443U CN205921443U CN201620802185.2U CN201620802185U CN205921443U CN 205921443 U CN205921443 U CN 205921443U CN 201620802185 U CN201620802185 U CN 201620802185U CN 205921443 U CN205921443 U CN 205921443U
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- standby power
- emergency standby
- power
- circuit
- relay jdq1
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- 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
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- 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
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Abstract
The utility model relates to a battery supply set pre -emergency electric access protection system, including inside mainboard circuit, pre -emergency power, inside mainboard circuit detects through a stand -by power supply and is connected to emergent stand -by power supply with access circuit, stand -by power supply detects and includes the positive and negative interelectrode relay JDQ1 who is connected in emergent stand -by power supply with access circuit, relay JDQ1's contact set switch is connected with inside mainboard circuit, pre -emergency power electricity respectively. The utility model discloses a whether relay JDQ1 control pre -emergency power input end links to each other with inside mainboard circuit, when not connecing pre -emergency power or pre -emergency electric access polarity mistake, and pre -emergency power and the disconnection of inside mainboard, when the pre -emergency power input is correct, pre -emergency power and inside mainboard connection to the realization is to the reliable protection of inside mainboard circuit.
Description
Technical field
This utility model is related to battery supply set technical field and in particular to a kind of battery supply set emergency power is electric
Protection system is accessed in source.
Background technology
Battery supply set containing emergency standby power interface such as electronic lock etc. at present, their stand-by power supply is adopted mostly
With emergency service by way of being directly connected to the main power source of internal circuit, or the main power source that internal circuit is connected to by diode,
Though these scheme circuit are simple, low cost, safety is poor, to electrostatic, input power positive-negative polarity misconnection, or input power
Alternating current-direct current mistake and housing is powered etc. that situation protective capacities are poor, directly can damage motherboard circuit, cause user's greater loss.Also have
Employing 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, and this scenario-frame is complex, and protection device is more, although port has certain protection
Ability, but be connected because port is had with internal circuit, therefore strengthen electricity or terminal to maloperation situations such as housing band forceful electric power in terminal
Under, still internal circuit can be caused to damage.
Utility model content
Goal of the invention of the present utility model is for above weak point, provides one kind to adopt relay jdq1 to prevent from setting
When standby housing or port are powered, internal motherboard circuit is caused the battery supply set emergency standby power damaging to access protection system
System.
The technical scheme realizing above-mentioned utility model purpose is: a kind of battery supply set emergency standby power accesses protection
System, including internal motherboard circuit, emergency standby power, described internal motherboard circuit passes through a stand-by power supply detection and accesses electricity
Road connects to emergency standby power；
Described stand-by power supply detection includes being connected to the relay of the positive and negative interpolar of emergency standby power with accessing circuit
The contact sets switch of jdq1, described relay jdq1 is electrically connected with internal motherboard circuit, emergency standby power, respectively by controlling
The closure of described relay jdq1 contact sets switch and then control emergency standby power internally motherboard circuit is powered.
Control the correct internally motherboard circuit of emergency standby power to power by relay jdq1, only relay jdq1 with
Emergency standby power connects, and relay jdq1 controls foot to there is voltage difference, the contact sets adhesive of relay jdq1, internal mainboard electricity
Road could obtain electric current；The contact sets switch of described relay jdq1 includes a group contact and b group contact, and a group contact and b group are touched
Point all includes com end, no end and nc end, and the com end of a group contact is 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 of b group contact ground connection, the no end of b group contact with meet an urgent need
The negative pole end of stand-by power supply is connected.
By arranging diode d2, during the incorrect polarity preventing connect emergency standby power, internal motherboard circuit is burnt out,
The internal motherboard circuit of protection；The com end of a group contact of described relay jdq1 and the stand-by power supply input of internal motherboard circuit
Between be also in series with for judging supplied electric power polarity whether correct diode d2, 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 jdq1 is docked with the both positive and negative polarity of emergency standby power and obtains power supply in order to relay jdq1,
So that the contact sets closure of relay jdq1, arranging critesistor ptc1 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 jdq1 is connected with the negative pole of emergency standby power,
The positive pole of relay jdq1 is also in series with critesistor ptc1 with the positive interpolar of emergency standby power.
From the operating current of running voltage and relay jdq1 of relay jdq1 be adapted, the critesistor of selection
The protection voltage of ptc1 should be adapted with the output voltage of emergency standby power, to ensure the normal work of component；Described
The running voltage of relay jdq1 is adapted with the output voltage of connect emergency standby power, the protection of described critesistor ptc1
Electric current is adapted with the operating current of relay jdq1.
Positive and negative interpolar one diode d1 of parallel connection of relay jdq1, prevents the coil breakage moment of relay jdq1 from producing
High voltage destroy circuit；Also it is parallel with diode d1 between the positive pole of described relay jdq1 and negative pole, described diode d1's
Anode is connected with the negative pole of relay jdq1, and the negative electrode of diode d1 is connected with the positive pole of relay jdq1.
Described internal motherboard circuit is a battery powered power-saving circuit with complete function.Inside 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 is connected with the first motor drive module and the second motor drive module, and the first motor drives
Dynamic model block is connected with reducing motor, and the second motor drive module is connected with unlocking motor；Described main control chip passes through Voice command
Module is connected with loudspeaker, and described speech control module adopts hrs080-s08 chip；Described main control chip is connected with specification
The liquid crystal display screen of 128*64；Described main control chip is connected with data memory module, and described data memory module adopts at24lc32 core
Piece；Described main control chip is connected with induction keyboard, and described induction keyboard adopts wtc6212ml-5 keyboard；Described main control chip is adopted
Use pic16f1519 chip；Main control chip is also associated with other modules；Described stand-by power supply detection and access circuit are energy
Whether detection stand-by power supply input polarity is 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 and accessing incorrect polarity, relay not adhesive, stand-by power supply port 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
Connect, internal motherboard circuit connects emergency standby power and powers；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 the power-supply device such as aneroid battery, accumulator, charger baby.
For prior art, this utility model has the advantage that this utility model low cost, simple and practical, adopts
With relay jdq1 control emergency standby power input port be connected with internal motherboard circuit, when do not connect emergency standby power or answer
When anxious stand-by power supply accesses incorrect polarity, relay jdq1 not adhesive, diode d2 cut-off, emergency standby power and internal mainboard
Circuit disconnects；When emergency standby power input is correct, relay jdq1 adhesive, emergency standby power is with internal motherboard circuit even
Connect, and internally main board power supply, thus realizing the reliably protecting to internal motherboard circuit.
Brief description
The utility model is described in further detail in conjunction with the embodiments with reference to the accompanying drawings:
Fig. 1 is circuit theory diagrams of the present utility model；
Fig. 2 is the circuit block diagram of internal motherboard circuit.
Specific embodiment
With reference to Figure of description and specific embodiment, this utility model content 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 with accessing circuit by a stand-by power supply detection
Source；
Described stand-by power supply detection includes being connected to the relay of the positive and negative interpolar of emergency standby power with accessing circuit
The contact sets switch of jdq1, described relay jdq1 is electrically connected with internal motherboard circuit, emergency standby power, respectively by controlling
The closure of described relay jdq1 contact sets switch and then control emergency standby power internally motherboard circuit is powered.
In the present embodiment, the correct internally motherboard circuit of emergency standby power is controlled to power by relay jdq1, only
Relay jdq1 is had to be connected with emergency standby power, relay jdq1 controls foot to there are voltage difference, the contact sets of relay jdq1
Adhesive, internal motherboard circuit could obtain electric current；The contact sets switch of described relay jdq1 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 stand-by power supply of the com end of a group contact and 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, will internal lead during the incorrect polarity preventing connect emergency standby power
Plate circuit burns out, the internal motherboard circuit of protection；The com end of a group contact of described relay jdq1 is standby with internal motherboard circuit
With being also in series between power input for judging supplied electric power polarity whether correct diode d2, 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 jdq1 is docked in order to relay with the both positive and negative polarity of emergency standby power
Jdq1 obtains power supply, so that the contact sets closure of relay jdq1, arranging critesistor ptc1 prevents the overheated damage to circuit
Bad；The described positive pole of relay jdq1 is connected with the positive pole of emergency standby power, and the negative pole of relay jdq1 is electric with emergency power
The negative pole in source connects, and the positive pole of relay jdq1 is also in series with critesistor ptc1 with the positive interpolar of emergency standby power.
In the present embodiment, the running voltage of relay jdq1 of selection and the operating current of relay jdq1 are adapted,
From critesistor ptc1 protection voltage should with the output voltage of emergency standby power be adapted, to ensure component
Normal work；The running voltage of described relay jdq1 is adapted with the output voltage of connect emergency standby power, described temperature-sensitive
The protective current of resistance ptc1 is adapted with the operating current of relay jdq1.
In the present embodiment, positive and negative interpolar one diode of parallel connection of relay jdq1, prevents the coil of relay jdq1
The high voltage that fracture moment produces destroys circuit；Also it is parallel with diode d1, institute between the positive pole of described relay jdq1 and negative pole
The anode stating diode d1 is connected with the negative pole of relay jdq1, and the negative electrode of diode d1 is connected with the positive pole of relay jdq1.
In the present embodiment, described internal motherboard circuit is a battery powered power-saving circuit with complete function.
Inside motherboard circuit 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, it is discrete that main control chip passes through 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
Connect, the first motor drive module is connected with reducing motor, the second motor drive module is connected with unlocking motor；Described main control chip
Loudspeaker are connected with by speech control module, described speech control module adopts 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 is connected with data memory module, and described data memory module adopts
At24lc32 chip；Described main control chip is connected with induction keyboard, and described induction keyboard adopts wtc6212ml-5 keyboard；Described
Main control chip adopts pic16f1519 chip；Main control chip is also associated with other modules (being specifically shown in Fig. 2)；Described stand-by power supply inspection
Survey and be whether correctly one can be detected stand-by power supply input polarity with access circuit, by the internal motherboard circuit of Control even
Connect 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 is disconnected 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 is powered using emergency standby 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 devices 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 jdq1.Work as emergency power
When power supply does not access, because stand-by power supply detection does not have power supply with accessing circuit, relay jdq1 controls foot no-voltage, relay
The emergency power supply interface open circuit of jdq1 not adhesive, the stand-by power supply input port of internal motherboard circuit and battery supply set, electrically
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, relay jdq1 controls foot no-voltage poor, relay jdq1 not adhesive, internal mainboard electricity
The emergency power supply interface open circuit of the stand-by power supply input port on road and battery supply set, electrically completely isolated；Power when battery and set
When standby emergency power supply input port is simultaneously or single port accesses forceful electric power, because stand-by power supply detection is returned with accessing circuit no current
Road, then still no-voltage is poor for relay jdq1 control circuit, relay jdq1 not adhesive, the stand-by power supply input of internal motherboard circuit
Mouthful open a way with the emergency power supply interface of battery supply set, electrically 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 jdq1 controls foot to have voltage difference, relay
Jdq1 adhesive, the stand-by power supply input port of internal 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
When, the electric current of emergency standby power passes through critesistor (resettable fuse) ptc1, powers to relay jdq1, relay
Jdq1 adhesive, the com end of relay jdq1 is turned on no end, and emergency standby power is switched by the contact sets of relay jdq1 again
Powered by the power circuit of diode d2 internally motherboard circuit.The selection of its repeat circuit jdq1 need to be according to emergency power supply
Out-put supply determines, relay jdq1 preferably selects the relay jdq1 of wide scope running voltage, and such as emergency power supply inspires confidence in for 9v south
During 6lr61 battery, the optional running voltage of relay jdq1 in 9v about, resistance to height is typically selected in the selection of critesistor ptc1
Pressure, the device of low current, its protective current need to be matched with the operating current of relay jdq1, such as the relay of operating current 20ma
Device jdq1, critesistor ptc1 is preferably selected running voltage 250v, and protective current is also critesistor (the self- recoverage insurance of 20ma
Silk).
Above-listed preferred embodiment, is further described to the purpose of this utility model, technical scheme and advantage,
Be should be understood that and be the foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this practicality
Within new protection domain.
Claims (6)
1. a kind of battery supply set emergency standby power accesses protection system, including internal motherboard circuit, emergency standby power,
It is characterized in that: described internal motherboard circuit is connected to emergency standby power with accessing circuit by a stand-by power supply detection；
Described stand-by power supply detection includes being connected to the relay jdq1 of the positive and negative interpolar of emergency standby power, institute with accessing circuit
The contact sets switch stating relay jdq1 is electrically connected with internal motherboard circuit, emergency standby power respectively, by continuing described in control
Electrical equipment jdq1 contact sets switch closure so that control emergency standby power internally motherboard circuit power.
2. battery supply set emergency standby power according to claim 1 access protection system it is characterised in that: described
The contact sets switch of relay jdq1 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 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.
3. battery supply set emergency standby power according to claim 2 access protection system it is characterised in that: described
Also it is in series with for judging between the stand-by power supply input of the com end of a group contact of relay jdq1 and internal motherboard circuit
The whether correct diode d2 of supplied electric power polarity, 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.
4. battery supply set emergency standby power according to claim 1 access protection system it is characterised in that: described
The positive pole of relay jdq1 is connected with the positive pole of emergency standby power, the negative pole of relay jdq1 and the negative pole of emergency standby power
Connect, the positive pole of relay jdq1 is also in series with critesistor ptc1 with the positive interpolar of emergency standby power.
5. battery supply set emergency standby power according to claim 4 access protection system it is characterised in that: described
The running voltage of relay jdq1 is adapted with the output voltage of connect emergency standby power, the protection of described critesistor ptc1
Electric current is adapted with the operating current of relay jdq1.
6. battery supply set emergency standby power according to claim 1 access protection system it is characterised in that: described
Also it is parallel with diode d1, the anode of described diode d1 and the negative pole of relay jdq1 between the positive pole of relay jdq1 and negative pole
Connect, the negative electrode of diode d1 is connected with the positive pole of relay jdq1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620802185.2U CN205921443U (en) | 2016-07-28 | 2016-07-28 | Battery supply set pre -emergency electric access protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620802185.2U CN205921443U (en) | 2016-07-28 | 2016-07-28 | Battery supply set pre -emergency electric access protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205921443U true CN205921443U (en) | 2017-02-01 |
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ID=57872090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620802185.2U Active CN205921443U (en) | 2016-07-28 | 2016-07-28 | Battery supply set pre -emergency electric access protection system |
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| Country | Link |
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| CN (1) | CN205921443U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968480A (en) * | 2017-10-24 | 2018-04-27 | 国家电网公司 | A kind of power emergency automatic managing device |
| CN109188300A (en) * | 2018-09-27 | 2019-01-11 | 东莞市广荣电子制品有限公司 | A kind of battery polar detection circuit |
-
2016
- 2016-07-28 CN CN201620802185.2U patent/CN205921443U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968480A (en) * | 2017-10-24 | 2018-04-27 | 国家电网公司 | A kind of power emergency automatic managing device |
| CN107968480B (en) * | 2017-10-24 | 2021-01-08 | 国家电网公司 | Emergent automatic management device of electric power |
| CN109188300A (en) * | 2018-09-27 | 2019-01-11 | 东莞市广荣电子制品有限公司 | A kind of battery polar detection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 350015 No. 6-1, Kuai'an Road, Mawei District, Fuzhou City, Fujian Province (in the pilot Free Trade Zone) Patentee after: Fuzhou Milli Technology Co.,Ltd. Address before: Room 509, Research and Experiment Complex Building, Fujian Overseas Students Pioneer Park, No. 108, Jiangbin East Avenue, Mawei District, Fuzhou City, Fujian Province, 350015 (Free Trade Zone) Patentee before: FUZHOU MILI TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |