CN109116160A - Remote controlled emergency set detection device - Google Patents
Remote controlled emergency set detection device Download PDFInfo
- Publication number
- CN109116160A CN109116160A CN201811192797.4A CN201811192797A CN109116160A CN 109116160 A CN109116160 A CN 109116160A CN 201811192797 A CN201811192797 A CN 201811192797A CN 109116160 A CN109116160 A CN 109116160A
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- unit
- reserve battery
- connect
- emergency set
- output end
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 30
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000003760 hair shine Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The invention discloses a kind of remote controlled emergency set detection devices, including monitoring unit, signal element, control unit, pressure stabilizing charhing unit, reserve battery, switch unit and constant current driving unit, monitoring unit, signal element and control unit are sequentially connected, the output end and control unit of pressure stabilizing charhing unit, the input terminal of reserve battery connects, the control terminal and pressure stabilizing charhing unit of control unit, switch unit connection, switch unit and reserve battery, constant current driving unit connection, and constant current driving unit connection load, monitoring unit controls control unit by signal element and exports high level, pressure stabilizing charhing unit short circuit, switch unit conducting, into contingency mode, at this time, the load being drivingly connected by observation constant current, if loading the work that shines, then emergency set is normal;If load does not shine, emergency set breaks down, it is only necessary to by remotely controlling, so that it may realize detection, Maintenance free manually arrives scene and tested, and easy to operate.
Description
Technical field
The present invention relates to emergency set detection fields, more particularly to a kind of remote controlled emergency set detection device.
Background technique
In actual production and living, electrical equipment is in occupation of irreplaceable role, once have a power failure, various equipment
It cannot run, it will bring big inconvenience and loss to production and living, in some important places, need to ensure level-one electricity consumption
The uninterrupted power supply of load, and with the raising that people require work living environment, intelligent building obtains more and more people's
Concern, by a series of intelligentized designs, makes building be provided with safe and convenient, efficient, energy saving feature.Lighting system is
Indispensable part in intelligent building, in municipal power failure power-off, emergency light will be used to replace original city's electric lighting
Lamp provides illumination to positions such as corridor, staircases in building, guarantees the safety of owner.Wherein, reserve battery is having a power failure
When can start the battery supply usually to charge automatically, emergency lighting in 1-2 hours is provided.But it needs to infuse using reserve battery
One problem of meaning is to want whether contingent survey reserve battery is in normal operating conditions, prevents to mention in real have a power failure
For service, and emergency set is generally according to aloft, and maintenance personnel needs when detecting could be by by ladder or other tools
To the detection switch of emergency set, while there is waste of manpower resource in this way, fault detection real-time be also substantially reduce, and
And the detection of existing emergency set is usually when simulating to disconnect alternating current, whether emergency set, which works, is judged, and can not be right
The actual conditions of emergency set in the process of work are monitored, and may cause what power supply when accident occurs was unable to operate normally
Risk.
Summary of the invention
Shortcoming present in view of the above technology, the present invention provide a kind of remote controlled emergency set detection dress
It sets, the detection to emergency function can be realized by monitoring unit.
To achieve the above object, the present invention provides a kind of remote controlled emergency set detection device, including monitoring list
Member, signal element, control unit, pressure stabilizing charhing unit, reserve battery, switch unit and constant current driving unit, monitoring unit, letter
Number unit and control unit are sequentially connected, the output end of pressure stabilizing charhing unit connect with the input terminal of control unit, reserve battery,
The control terminal of control unit is connect with pressure stabilizing charhing unit, switch unit, and switch unit and reserve battery, constant current driving unit connect
It connects, and constant current driving unit connection load, monitoring unit controls control unit by signal element and exports high level, pressure stabilizing charging
Unit short circuit, switch unit conducting, into contingency mode, at this time, loaded work piece, then emergency set is normal, and load does not work, then
Emergency set breaks down.
Wherein, described control unit includes microcontroller chip, the control output end of the microcontroller chip and pressure stabilizing charhing unit
The connection of enabled input terminal, it is the electrical energy inputs of the electric energy output end of the pressure stabilizing charhing unit and the microcontroller chip, spare
The charging port of battery connects, and monitoring unit exports high level by the control output end that signal element controls microcontroller chip, surely
Charhing unit is pressed to close, into contingency mode.
Wherein, the pressure stabilizing charhing unit includes the first triode and the second triode in parallel, first triode
It is grounded after the input terminal of connection reserve battery and microcontroller chip, the second triode connects the port test and the control of microwell chips is defeated
Be grounded after outlet, the microcontroller chip input high level, second triode ON, so first triode with it is described
The input terminal disconnection of reserve battery, microwell chips.
Wherein, described control unit further includes peripheral circuit, the output of the input terminal and reserve battery of the peripheral circuit
End connection, the output end of the peripheral circuit and the input terminal of microcontroller chip connect, and protect the supply voltage of microcontroller chip.
Wherein, the enable end of the switch unit is connect with the control output end of the microcontroller chip, the switch unit
Input terminal connect with the reserve battery, the input terminal of output end and constant current driving unit connects, described control unit output
High level, so that the switch unit is connected, the reserve battery is powered to the constant current driving unit.
Wherein, the switch unit include the first mos pipe and the 2nd mos pipe, first metal-oxide-semiconductor respectively with it is described spare
Battery, constant current driving unit connection, and connect with the second metal-oxide-semiconductor, the control of the 2nd mos pipe and the microcontroller chip exports
It is grounded after the connection of end, the control output end of the microcontroller chip exports high level, the 2nd mos pipe conducting, and then described the
The conducting of one mos pipe, reserve battery are constant current driving unit power supply.
Wherein, described control unit further includes PLC module, and the reserve battery is connect with PLC module, the PLC module
Output end is connect with signal element, for the monitoring unit feedback current information of voltage, the input terminal of the PLC module with
The constant current driving unit output end connection.
Wherein, the signal element includes wherein the one of WiFi signal R-T unit, bluetooth and fiber-optic signal R-T unit
Kind.
Wherein, the signal element is at least provided with 2 signal access points.
Wherein, the monitoring unit includes the one or more of monitor supervision platform, mobile phone terminal and middle control display unit.
The beneficial effects of the present invention are: compared with prior art, remote controlled emergency set inspection provided by the invention
Device is surveyed, setting control unit receives the information that monitoring unit is sent by signal element, and it is single that control unit controls pressure stabilizing charging
First short circuit so that the charging port of reserve battery does not input, and controls voltage simultaneously and makes the perseverance of reserve battery and emergency unit
Driving unit conducting is flowed, into emergency function, at this point, the load that observation constant current is drivingly connected is answered if loading the work that shines
Anxious equipment is normal;If load does not shine, emergency set breaks down, it is only necessary to by remotely controlling, so that it may realize detection,
Maintenance free manually arrives scene and is tested, and easy to operate;Control unit is provided with PLC module, and PLC module passes through signal
Unit is connect with monitoring unit so that PLC module can with the Current Voltage situation of real-time detection emergency set during the work time,
It feeds back monitoring unit, realizes to the detection in the emergency set course of work, it is high-efficient, and timeliness is good, convenient for the system of data
Meter.
Detailed description of the invention
Fig. 1 is overall block diagram of the invention;
Fig. 2 is whole details block diagram of the invention
Fig. 3 is control unit circuit diagram of the invention;
Fig. 4 is pressure stabilizing charhing unit circuit diagram of the invention;
Fig. 5 is switch unit circuit diagram of the invention.
Main element symbol description is as follows:
1, monitoring unit 2, signal element
3, control unit 4, pressure stabilizing charhing unit
5, reserve battery 6, switch unit
7, constant current driving unit 8, load.
Specific embodiment
In order to more clearly state the present invention, the present invention is further described with reference to the accompanying drawing.
Referring to Fig. 1, it is of the invention to achieve the above object, the present invention provides a kind of remote controlled emergency set inspection
Survey device, including monitoring unit 1, signal element 2, control unit 3, pressure stabilizing charhing unit 4, reserve battery 5,6 and of switch unit
Constant current driving unit 7, wherein pressure stabilizing charhing unit 4 passes through power input port 9 into power-switching circuit (not shown) and city excessively
Electrical connection is powered primarily to obtaining stable voltage for the charging of reserve battery 5, and for control unit, monitoring unit 1,
Signal element 2 and control unit 3 are sequentially connected, the output end of pressure stabilizing charhing unit 4 and the input of control unit 3, reserve battery 5
End connects, the control terminal of control unit 3 is connect with pressure stabilizing charhing unit 4, switch unit 6, switch unit 6 and reserve battery 5, perseverance
It flows driving unit 7 to connect, and the connection of constant current driving unit 7 load 8, monitoring unit 1 controls control unit 3 by signal element 2
High level, 4 short circuit of pressure stabilizing charhing unit are exported, switch unit conducting at this time, 8 work of load, is then met an urgent need into contingency mode
Equipment is normal, and load 8 does not work, then emergency set breaks down, and setting control unit 4 is single by the reception monitoring of signal element 2
The information that member 1 is sent, control unit 3 controls 4 short circuit of pressure stabilizing charhing unit, so that the charging port of reserve battery 5 does not input,
And reserve battery 5 and constant current driving unit 7 is connected in control unit 3 simultaneously, into emergency function, at this point, observation constant current driving
The load of connection, if loading the work that shines, emergency set is normal;If load does not shine, emergency set breaks down,
It only needs by remotely controlling, so that it may realize detection, Maintenance free manually arrives scene and tested, and easy to operate.
In the present embodiment, refering to Fig. 2-Fig. 4, control unit 3 includes microcontroller chip 31, and microcontroller chip 31 is single-chip microcontroller,
The control output end of microcontroller chip 31 is connect with the enabled input terminal of pressure stabilizing charhing unit 4, i.e., the RLY-A leads ends in figure, surely
Press the electric energy output end of charhing unit 4, i.e. 13V input terminal, the charging with the electrical energy inputs, reserve battery 5 of microcontroller chip 31
Port connection, monitoring unit 1 export high level by the control output end that signal element 2 controls microcontroller chip 3, and pressure stabilizing charging is single
Member 4 is closed, and emergency function is started;Preferably, pressure stabilizing charhing unit 4 includes the first triode Q3 and the second triode in parallel
It is grounded after the input terminal of Q2, the first triode Q3 connection reserve battery 5 and microcontroller chip 31, the second end triode Q3 connection test
Mouthful and microcontroller chip 31 after be grounded, microcontroller chip 31 export high level, the second triode Q2 conducting, and then the first triode Q3 with
The input terminal disconnection of reserve battery 5, microcontroller chip 31;In order to be protected to microcontroller chip 31, prevent input voltage excessively high and
It overloads, control unit 3 further includes peripheral circuit (not shown), the input terminal and reserve battery 5 of peripheral circuit (not shown)
Output end connection, the output end of peripheral circuit (not shown) connect with the input terminal of microcontroller chip 31, protection microcontroller chip 31
Supply voltage.
In the present embodiment, connect refering to Fig. 2-Fig. 5, the enable end of switch unit 6 and the control output end of microcontroller chip 31
It connects, i.e. RLY-A leads ends, the input terminal VCC of switch unit 6 is connect with reserve battery 5, output end VCC2 and constant current driving unit
7 input terminal connection, the output high level of the RLY-A leads ends of control unit 3, so that switch unit 6 is connected, reserve battery 5
It powers to constant current driving unit 7;Specifically, switch unit 6 includes the first mos pipe Q13 and the 2nd mos pipe Q15, the first metal-oxide-semiconductor
Q13 is connect with reserve battery 5, constant current driving unit 7 respectively, and is connect with the second metal-oxide-semiconductor Q15, the 2nd mos pipe 15 and micro-control core
It is grounded after the control output end connection of piece 31, microcontroller chip 31 exports high level, the 2nd mos pipe Q15 conducting, and then the first mos
Q13 is connected in pipe, and reserve battery 5 is the power supply of constant current driving unit 7.
In the present embodiment, control unit 3 further includes PLC module 32, and reserve battery 5 is connect with PLC module 32, PLC mould
32 output end of block is connect with signal element, for 1 feedback current information of voltage of monitoring unit, the input terminal of PLC module 32 with
The connection of 7 output end of constant current driving unit, for receiving the output Current Voltage of constant current driving unit 7, and it is anti-by signal element 2
It is fed to monitoring unit 1;Signal element 2 includes the one of which of WiFi signal R-T unit, bluetooth and fiber-optic signal R-T unit,
Signal element is at least provided with 2 signal access points, and one is the shutoff signal access point with microcontroller chip 31, another is PLC
The output signal access point of module 9, so that no setting is required two communication modes, set so that PLC module 9 can be met an urgent need with real-time detection
Standby Current Voltage situation during the work time, feedback arrive monitoring unit 1, realize to the detection in the emergency set course of work,
It is high-efficient, and timeliness is good, convenient for the statistics of data;Wherein monitoring unit includes that monitor supervision platform, mobile phone terminal and middle control display are single
The one or more of member.
Workflow of the invention: with monitoring unit 1 be mobile phone or computer, signal element 2 are that wif signal receiving/transmission device is
Example sends cut-offing instruction by computer end or mobile phone terminal, receives the cut-offing instruction to micro-control core by WiFi signal R-T unit
Piece 31, at this time microcontroller chip 31 by PRY-A foot export high level, the PRY-A foot input high level of pressure stabilizing charhing unit, at this time
The two poles of the earth of second triode Q2 are connected, and are microcontroller chip 31 and the battery-powered both ends electricity of standby electricity by the connection of the first triode Q3
Short out road, and inputting power supply piezoelectric voltage is 13V, the input of the not no supply voltage of 13V of reserve battery and microcontroller chip 31 at this time,
And it is inputted by microcontroller chip 31 by the enabled input terminal 2 that PRY-A foot exports high level to the 2nd mos pipe Q15 of switch unit
3 poles of high level, i.e. the 2nd mos pipe export high level, so that the grid and source conduction of the first metal-oxide-semiconductor Q13, i.e., spare
Battery is connected with constant current driving unit, emergency function starting, at this point, the load in observation constant current drive output, if load
Shine work, then emergency function is normal, if load does not shine, emergency function failure, at the same time, PLC is received in real time
The Current Voltage of constant current driving unit 7, and by WiFi signal R-T unit feedback to the computer end and mobile phone terminal, to emergency set
Real-time condition feed back to computer end and mobile phone terminal, realize the collection and statistics of data.
Disclosed above is only one or several specific embodiments of the invention, but the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (10)
1. a kind of remote controlled emergency set detection device, which is characterized in that including monitoring unit, signal element, control
Unit, pressure stabilizing charhing unit, reserve battery, switch unit and constant current driving unit, monitoring unit, signal element and control unit
It is sequentially connected, the output end of pressure stabilizing charhing unit connect with the input terminal of control unit, reserve battery, the control terminal of control unit
It is connect with pressure stabilizing charhing unit, switch unit, switch unit is connect with reserve battery, constant current driving unit, and constant current driving is single
Member connection loads, and monitoring unit controls control unit by signal element and exports high level, pressure stabilizing charhing unit short circuit, switching list
Member conducting, into contingency mode, at this time, loaded work piece, then emergency set is normal, and load does not work, then event occurs for emergency set
Barrier.
2. remote controlled emergency set detection device according to claim 1, which is characterized in that described control unit
Including microcontroller chip, the control output end of the microcontroller chip is connect with the enabled input terminal of pressure stabilizing charhing unit, the pressure stabilizing
The electric energy output end of charhing unit is connect with the charging port of the electrical energy inputs of the microcontroller chip, reserve battery, and monitoring is single
Member exports high level by the control output end that signal element controls microcontroller chip, and pressure stabilizing charhing unit is closed, into emergency mould
Formula.
3. the remote controlled emergency set detection device according to 2, which is characterized in that the pressure stabilizing charhing unit includes
The input terminal of first triode and the second triode in parallel, the first triode connection reserve battery and microcontroller chip is followed by
It is grounded behind the control output end of ground, the second triode connection port test and microwell chips, the microcontroller chip input high level,
Second triode ON, and then the input terminal of first triode and the reserve battery, microwell chips disconnects.
4. remote controlled emergency set detection device according to claim 2, which is characterized in that described control unit
It further include peripheral circuit, the input terminal of the peripheral circuit and the output end of reserve battery connect, the output of the peripheral circuit
End is connect with the input terminal of microcontroller chip, protects the supply voltage of microcontroller chip.
5. remote controlled emergency set detection device according to claim 2, which is characterized in that the switch unit
Enable end connect with the control output end of the microcontroller chip, the input terminal of the switch unit and the reserve battery connect
It connects, the input terminal connection of output end and constant current driving unit, described control unit exports high level, so that the switch unit is led
Logical, the reserve battery is powered to the constant current driving unit.
6. remote controlled emergency set detection device according to claim 5, which is characterized in that the switch unit
Including the first mos pipe and the 2nd mos pipe, first metal-oxide-semiconductor is connect with the reserve battery, constant current driving unit respectively, and
It is connect with the second metal-oxide-semiconductor, the 2nd mos pipe is grounded after connecting with the control output end of the microcontroller chip, the micro-control core
The control output end of piece exports high level, the 2nd mos pipe conducting, and then the first mos pipe is connected, and reserve battery is institute
State constant current driving unit power supply.
7. remote controlled emergency set detection device according to claim 1, which is characterized in that described control unit
It further include PLC module, the reserve battery is connect with PLC module, and the PLC module output end is connect with signal element, is used for
To the monitoring unit feedback current information of voltage, the input terminal of the PLC module and the constant current driving unit output end connect
It connects.
8. remote controlled emergency set detection device according to claim 1, which is characterized in that the signal element
One of which including WiFi signal R-T unit, bluetooth and fiber-optic signal R-T unit.
9. remote controlled emergency set detection device according to claim 8, which is characterized in that the signal element
At least provided with 2 signal access points.
10. remote controlled emergency set detection device according to claim 1, which is characterized in that the monitoring is single
Member includes the one or more of monitor supervision platform, mobile phone terminal and middle control display unit.
Priority Applications (1)
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CN201811192797.4A CN109116160A (en) | 2018-10-13 | 2018-10-13 | Remote controlled emergency set detection device |
Applications Claiming Priority (1)
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---|---|---|---|
CN201811192797.4A CN109116160A (en) | 2018-10-13 | 2018-10-13 | Remote controlled emergency set detection device |
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Publication Number | Publication Date |
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CN109116160A true CN109116160A (en) | 2019-01-01 |
Family
ID=64854109
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CN201811192797.4A Pending CN109116160A (en) | 2018-10-13 | 2018-10-13 | Remote controlled emergency set detection device |
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2899378Y (en) * | 2006-05-19 | 2007-05-09 | 无锡博创微电子有限公司 | Emergent illuminator by intelligent-controlled chip |
CN101932153A (en) * | 2009-06-24 | 2010-12-29 | 海洋王照明科技股份有限公司 | LED emergency light circuit supplied by wide voltage power supply |
CN203368132U (en) * | 2013-07-12 | 2013-12-25 | Tcl通力电子(惠州)有限公司 | Power switching circuit and dual-power supply device |
CN104219858A (en) * | 2014-08-29 | 2014-12-17 | 天津市鸿远电气股份有限公司 | System and method for remote monitoring of emergency lights |
CN104684156A (en) * | 2013-11-28 | 2015-06-03 | 深圳市海洋王照明工程有限公司 | Emergency illumination lamp control circuit and lamp |
CN105676759A (en) * | 2016-01-13 | 2016-06-15 | 千江(上海)信息科技有限公司 | Power management system and method for online monitoring device of power distribution line |
CN205566773U (en) * | 2016-05-03 | 2016-09-07 | 国网江西省电力公司南昌供电分公司 | Emergent self -checking lighting device of fire control |
CN106028567A (en) * | 2016-07-15 | 2016-10-12 | 珠海市声驰电器有限公司 | Emergency lighting circuit and emergency lighting lamp |
CN106443504A (en) * | 2016-08-11 | 2017-02-22 | 江苏银佳电子设备有限公司 | Emergency lamp system fault detecting method based on wireless sensor network |
CN206742952U (en) * | 2017-04-18 | 2017-12-12 | 深圳市熠辉照明科技有限公司 | LED emergency power supplies are met an urgent need switching circuit |
CN209148785U (en) * | 2018-10-13 | 2019-07-23 | 深圳市比尔达科技有限公司 | Remote controlled emergency set detection device |
-
2018
- 2018-10-13 CN CN201811192797.4A patent/CN109116160A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2899378Y (en) * | 2006-05-19 | 2007-05-09 | 无锡博创微电子有限公司 | Emergent illuminator by intelligent-controlled chip |
CN101932153A (en) * | 2009-06-24 | 2010-12-29 | 海洋王照明科技股份有限公司 | LED emergency light circuit supplied by wide voltage power supply |
CN203368132U (en) * | 2013-07-12 | 2013-12-25 | Tcl通力电子(惠州)有限公司 | Power switching circuit and dual-power supply device |
CN104684156A (en) * | 2013-11-28 | 2015-06-03 | 深圳市海洋王照明工程有限公司 | Emergency illumination lamp control circuit and lamp |
CN104219858A (en) * | 2014-08-29 | 2014-12-17 | 天津市鸿远电气股份有限公司 | System and method for remote monitoring of emergency lights |
CN105676759A (en) * | 2016-01-13 | 2016-06-15 | 千江(上海)信息科技有限公司 | Power management system and method for online monitoring device of power distribution line |
CN205566773U (en) * | 2016-05-03 | 2016-09-07 | 国网江西省电力公司南昌供电分公司 | Emergent self -checking lighting device of fire control |
CN106028567A (en) * | 2016-07-15 | 2016-10-12 | 珠海市声驰电器有限公司 | Emergency lighting circuit and emergency lighting lamp |
CN106443504A (en) * | 2016-08-11 | 2017-02-22 | 江苏银佳电子设备有限公司 | Emergency lamp system fault detecting method based on wireless sensor network |
CN206742952U (en) * | 2017-04-18 | 2017-12-12 | 深圳市熠辉照明科技有限公司 | LED emergency power supplies are met an urgent need switching circuit |
CN209148785U (en) * | 2018-10-13 | 2019-07-23 | 深圳市比尔达科技有限公司 | Remote controlled emergency set detection device |
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