CN207245910U - A kind of general gasoline engines reverse start modular circuit - Google Patents

A kind of general gasoline engines reverse start modular circuit Download PDF

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Publication number
CN207245910U
CN207245910U CN201721043008.1U CN201721043008U CN207245910U CN 207245910 U CN207245910 U CN 207245910U CN 201721043008 U CN201721043008 U CN 201721043008U CN 207245910 U CN207245910 U CN 207245910U
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China
Prior art keywords
circuit
triode
controller
output terminal
module
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CN201721043008.1U
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Chinese (zh)
Inventor
胡云平
杨永开
李光祥
李泽辉
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Chongqing Yuxin Pinrui Electronic Co Ltd
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Chongqing Yuxin Pinrui Electronic Co Ltd
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Abstract

A kind of general gasoline engines reverse start modular circuit, including the first controller, second controller, first controller output end is connected with metal-oxide-semiconductor drive circuit control port, the metal-oxide-semiconductor drive circuit output terminal is connected with DC DC step-up transformer input terminals respectively, the DC DC step-up transformers output terminals are connected with current rectifying and wave filtering circuit input terminal respectively, which is also connected with second controller power port;The output terminal of the current rectifying and wave filtering circuit module provides DC voltage for three-phase H bridge type drive circuit;Three-phase H bridge type drive circuit output terminal is exported through peak point current suppression circuit;The control port group of three-phase H bridge type drive circuit is connected with the control port group of second controller respectively.Realize by controlling magneto to rotate, drive and start engine.In start-up course, module can detect rotating speed automatically, automatically disengage, and can numerous information such as monitoring current voltage and temperature in real time, in abnormal cases can timely closedown module, prevent from causing module damage in abnormal cases.

Description

A kind of general gasoline engines reverse start modular circuit
Technical field
It the utility model is related to gasoline engine field, and in particular to a kind of general gasoline engines reverse start modular circuit.
Background technology
The startup method of existing open-shelf or closed frequency conversion generator, generally uses hand starting or electrically activates two kinds and do Method.Hand starting is not only laborious, it is also possible to because drawstring rebounds and damaged to user, therefore also has certain risk.Especially It is winter cold state, unit is less susceptible to start, and generally requires and repeatedly pulls traction rope.
Electrically activate and be divided into two kinds, one kind is that user makes startup motor work with initiation key, drives flywheel rotation.Work as rotating speed Reach hundreds of turns (> 700rpm) automatic disengagement afterwards.This activation system is complicated, volume is big, weight is big, cost is high etc. lacks Fall into.Particularly the startup gear ring of flywheel is not only of high cost should not also process, and the matter such as the precision of tooth, roughness, flatness, hardness Measure less than fully ensuring that, easily cause drive gear to wear, and replacing gear ring needs professional tool, flow is also more complicated, Can only be specialty maintenance personnel could operate, therefore system also there are maintenance cost it is high the problem of.Another kind is to use electronics Module dragging motor, the rotating principle of flywheel is driven by connecting shaft, but existing electronic module driving principle is in grinding Study carefully the experimental stage, success rate is low with starting, the significant deficiency such as fragile.
Utility model content
The utility model in view of the deficiencies of the prior art, proposes a kind of general gasoline engines reverse start modular circuit, specifically Technical solution is as follows:
A kind of general gasoline engines reverse start modular circuit, it is characterised in that:Including the first controller, second controller, The first controller input port group be connected to temperature detecting module, choke door control module, Rotating speed measring module and Flame-out module, the first controller power source port is connected with power module;
First controller output end is connected with metal-oxide-semiconductor drive circuit control port, the metal-oxide-semiconductor drive circuit output terminal It is connected respectively with DC-DC step-up transformer input terminals, which inputs with current rectifying and wave filtering circuit respectively End is connected, which is also connected with second controller power port;
The output terminal of the current rectifying and wave filtering circuit module provides DC voltage for three-phase H bridge type drive circuit;
The three-phase H bridge type drive circuit output terminal is exported through peak point current suppression circuit;
The control port group of the three-phase H bridge type drive circuit control port group phase with the second controller respectively Even;
The output terminal of the three-phase H bridge type drive circuit is connected with the input terminal of current detection module, the current detecting mould The output terminal of block is connected with the current detecting port of the second controller;
The output terminal of the three-phase H bridge type drive circuit is also associated with zero passage Rotating speed measring circuit, the zero passage Rotating speed measring The output port of circuit is connected with the first detection port of second controller.
Preferably to realize the utility model, may further be:The power module includes D/C power, filter circuit and DC Reduction voltage circuit, the D/C power output terminal are connected with the filter circuit, the filter circuit output terminal and DC decompression electricity Road is connected, and first output terminal of DC reduction voltage circuits is connected with the first controller power source end, the DC reduction voltage circuits second Output terminal is connected with the power end of metal-oxide-semiconductor drive circuit.
Further:The DC reduction voltage circuits include triode G1 and triode G9, and the base stage of triode G1 is through resistance R2 It is connected with K1 ports, transistor emitter ground connection, bridging has capacitance C3 and electricity respectively between the base stage and emitter of triode G1 R4 is hindered, triode G1 collectors are connected with the first end of resistance R1, cathode of the second end through resistance R6 and power supply of resistance R1 It is connected;
Grid of the second end of resistance R1 also respectively with K0 control ports and metal-oxide-semiconductor is connected, drain electrode and the electricity of the metal-oxide-semiconductor Source cathode is connected, and source class is second voltage output port;
The base stage of triode G9 is successively through resistance R77 and resistance the R82 base stage with control port K2 and triode G1 respectively It is connected, triode G9 collectors are connected through resistance R64 with the grid of metal-oxide-semiconductor T4, and metal-oxide-semiconductor T4 source class is connected with positive pole, Metal-oxide-semiconductor T4 drains are the second output terminal, and being bridged between positive pole and triode G9 collectors has resistance R83.
Further:The Peak current suppression circuit includes inductance L3, inductance L4, inductance L5 three-phases H bridge type driving electricity First end of three, the road output port respectively with inductance L4, inductance L3 and inductance L5 is connected, the inductance L4, inductance L3 and inductance The second segment of L5 is respectively output terminal.
Further:The current acquisition port for stating second controller is connected with the output port of current detection module, the electricity Stream detection module is monitored the electric current for flowing through three-phase H bridge type drive circuit.
Further:The Peak current suppression circuit further includes relay K1 and triode G13, in inductance L5 and inductance The second end of L3 is connected with the normal open switch contact of relay K1 respectively, and electromagnetic coil one end of relay K1 is connected with power supply, The electromagnetic coil other end is connected with the collector of triode G13, triode G13 emitters ground connection, the base of triode G13 Pole is connected through resistance R106 with control port R, between triode G13 base stages and emitter also respectively bridging have capacitance C72 with Resistance R107.
The beneficial effects of the utility model are:First, realize by controlling magneto to rotate, drive and start engine. In start-up course, starting module can detect rotating speed automatically, be automatically stopped driving, and can in real time monitoring current voltage and Numerous information such as temperature, can close starting module in time in abnormal cases, prevent from causing starting module in abnormal cases Damage.
Second, engine start module overall weight is light, and cost is lower, and volume smaller, also eliminates starting relay, opens Dynamic motor, start gear ring, the structure of complete machine is also simplified, makes unit be more convenient to carry, cost of transportation is also lower.At the same time Even in the case of low temperature (subzero -25 DEG C), start success rate also infinite approach 100%, successfully solve and existing inversely open It is fragile existing for dynamic technology, moment of torsion is low, low temperature is not easy to start, starting success rate, problem, the also solution such as low manually boot system Series of defect.
3rd, the mode of the structure substitution conventional motor of the utility model electronic module starts unit, can both reduce Cost mitigates main screw lift, while also solves the problems, such as that reverse start technology is existing.Under equal battery condition, this practicality is new The continuous number of starts of type is enhanced about more than once than traditional Starting mode, and starts success rate close to 100%, can take completely For the prior art.The utility model also achieves powers on idle function for a long time, is intelligent management and control and the user of follow-up complete machine The realization of remote control unit is laid a good foundation.And in general gasoline engines and motorcycle field, it is all inverse by magneto The principle of this scheme can be used to the application for starting power.
Brief description of the drawings
Fig. 1 is the utility model 220V circuit system structure charts;
Fig. 2 is the utility model 100V to 120V circuit system structure charts;
Fig. 3 is DC reduction voltage circuit structure charts;
Fig. 4 is metal-oxide-semiconductor drive circuit and DC-DC step-up transformer structure charts;
Fig. 5 is three-phase H bridge type drive circuit and peak point current suppression circuit structure chart;
Fig. 6 is the first controller connection diagram with Rotating speed measring circuit and flameout circuit respectively.
Embodiment
The preferred embodiment to the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, so as to make the scope of protection of the utility model apparent clear and definite Define.
As Fig. 1, Fig. 3 to Fig. 6 show first embodiment:A kind of general gasoline engines reverse start modular circuit, including the One controller, second controller and power module, first controller are the first microcontroller, which is the second monolithic Machine, the first controller input port group are connected to temperature detecting module, choke door control module, Rotating speed measring module and put out Fiery module.
Power module includes D/C power, filter circuit and DC reduction voltage circuits, and D/C power output terminal is connected with filter circuit, filter Wave circuit output terminal is connected with DC reduction voltage circuits, and the first output terminal of DC reduction voltage circuits is connected with the first controller power source end, DC drops The second output terminal of volt circuit is connected with the power end of metal-oxide-semiconductor drive circuit.
First controller output end is connected with metal-oxide-semiconductor drive circuit control port, metal-oxide-semiconductor drive circuit output terminal difference Be connected with DC-DC step-up transformer input terminals, the DC-DC step-up transformers output terminal respectively with current rectifying and wave filtering circuit input terminal phase Even, which is also connected with second controller power port;
The output terminal of the current rectifying and wave filtering circuit module provides DC voltage for three-phase H bridge type drive circuit;
Three-phase H bridge type drive circuit output terminal is exported through peak point current suppression circuit;
The control port group of three-phase H bridge type drive circuit is connected with the control port group of second controller respectively;
The output terminal of three-phase H bridge type drive circuit is connected with the input terminal of current detection module, the current detection module Output terminal is connected with the current detecting port of second controller;
The output terminal of three-phase H bridge type drive circuit is also associated with zero passage Rotating speed measring circuit, the zero passage Rotating speed measring circuit The first detection port of output port and second controller be connected.
It is illustrated in figure 3 DC reduction voltage circuits:DC reduction voltage circuits include triode G1 and triode G9, the base stage of triode G1 It is connected through resistance R2 with K1 ports, transistor emitter ground connection, bridging has electricity respectively between the base stage and emitter of triode G1 Hold C3 and resistance R4, triode G1 collectors are connected with the first end of resistance R1, and the second end of resistance R1 is through resistance R6 and electricity The cathode in source is connected;
Grid of the second end of resistance R1 also respectively with K0 control ports and metal-oxide-semiconductor is connected, drain electrode and the electricity of the metal-oxide-semiconductor Source cathode is connected, and source class is second voltage output port;
The base stage of triode G9 is successively through resistance R77 and resistance the R82 base stage with control port K2 and triode G1 respectively It is connected, triode G9 collectors are connected through resistance R64 with the grid of metal-oxide-semiconductor T4, and metal-oxide-semiconductor T4 source class is connected with positive pole, Metal-oxide-semiconductor T4 drains are the second output terminal, and being bridged between positive pole and triode G9 collectors has resistance R83.
The input of DC reduction voltage circuits is connection D/C power, which is battery, other use in addition to switch transformer Circuit is after output terminal M1 and output terminal M3.And D/C power work before, two metal-oxide-semiconductor T3 of switch transformer and Metal-oxide-semiconductor T4 is off, therefore transformer is always open-circuit condition, and circuit only exists the leakage current of the DS of MOS, which is nA Level, can be ignored completely.
Therefore whole module is when standby, only the leakage current of capacitance C2, C4 and E1, E2, E3 and triode G1, G9, The sum of these electric currents are less than 10uA.By taking the battery of 1AH as an example, if excluding the loss of battery itself, this module can be treated continuously Machine 11 years.
As shown in Figure 4:The push-pull circuit formed including triode G7 and triode G6, the controls of control port P1B and first The control port of device is connected, the switch of the common port control metal-oxide-semiconductor T1 of triode G7 and triode G6, triode G4 and triode The push-pull circuit of G3 compositions, control port P1A are connected with the control port of the first controller, the public affairs of triode G4 and triode G3 The switch of end control metal-oxide-semiconductor T2 altogether, metal-oxide-semiconductor T1 and metal-oxide-semiconductor the T2 quick-speed turning on-off in the case where being acted on respectively in corresponding push-pull circuit, make The voltage rise on inductance B1 is obtained, inductance B1 is raised by the corresponding coil voltage of mutual inductance, then is exported by voltage regulation filtering.
As shown in Figure 5:Three-phase H bridge type drive circuit includes the first bridge arm, the second bridge arm and the 3rd bridge arm, the first bridge arm bag It is respectively the first bridge arm control terminal to include metal-oxide-semiconductor V1 and metal-oxide-semiconductor V2, DXHO end and DRLO ends, and DXSO is the first bridge arm output terminal, the It is respectively the second bridge arm control terminal that two bridge arms, which include metal-oxide-semiconductor V3 and metal-oxide-semiconductor V4, DXH1 end and DRL1 ends, and DXS1 is the second bridge arm Output terminal, the 3rd bridge arm includes metal-oxide-semiconductor V5 and metal-oxide-semiconductor V6, DXH2 and DRL2 is respectively the 3rd bridge arm control terminal, and DXS2 is the 3rd Bridge arm output terminal, the control of the first bridge arm control terminal, the second bridge arm control terminal and the 3rd bridge arm control terminal and second controller End group is connected.Tri- output terminals of DXS0, DXS1 and DXS2 are connected with peak point current suppression circuit input terminal, which suppresses Circuit output end is connected with motor.Second controller passes through the first bridge arm control terminal, the second bridge arm control terminal and the 3rd bridge arm control End processed adjusts turn-on sequence and the ON time of six transistors V1, V2, V3, V4, V5 and V6 to adjust motor rotation respectively Direction and rotating speed.
Peak current suppression circuit includes inductance L4, inductance L3, inductance L5, relay K1 and triode G13, three-phase H bridges The one end of three output ports of formula drive circuit respectively with inductance L4, inductance L3 and inductance L5 is connected, in inductance L5 and inductance L3 The other end be connected respectively with the normal open switch contact of relay K1, electromagnetic coil one end of relay K1 is connected with power supply, should The electromagnetic coil other end is connected with the collector of triode G13, triode G13 emitters ground connection, the base stage of triode G13 It is connected through resistance R106 with control port R, also bridging has capacitance C72 and electricity respectively between triode G13 base stages and emitter Hinder R107.
Inductance L3, inductance L4, the inductance L5 of setting, it is therefore an objective to contain the peak point current in start-up course, prevent module because Peak point current is excessive cause wrong identification for over-current state closedown module.
Second controller controls relay K1, and during module does not work, K1 is remained open, and is opened when second controller performs When movement machine instructs, relay K1 keeps connection.In whole start-up course, electricity that relay K1 passes through port P8 connection systems Machine, relay K1 is disconnected immediately after unit starting.After module detects that unit has been started up or successfully starts up, just cut Disconnected relay departs from by other electronic components in module with whole magneto, and relay does not have to completely cut through three drivings Line, need to only cut off any two-phase of driving output.
As shown in Figure 6:When module after the power is turned on, the first controller gathers unit tach signal first, is controlled if having rotating speed Controllable silicon SCR 1 by trigger signal or other control igniter fires signal shorts, unit is stopped working not and work.Conversely, then root According to temperature conditions, by integrated circuit U3 or discrete device substitute U3 also can, Driving Stepping Motor completes the tune to choke It is whole.When unit is completed to start, and optocoupler OP1 transmission carrys out fault-signal, the first controller closes DC voltage dropping power supplies by K2, So as to close whole module, battery capacity is saved as far as possible.
The present embodiment operation principle:D/C power is 12V storage batteries or 10.8V lithium batteries, after filtered circuit filtering, Voltage is risen to 150V to 250V by one branch after DC-DC boosters, and it is complete which is directly used in three-phase DC motor Bridge drive circuit is with for driving magneto.
The second branch is powered to metal-oxide-semiconductor drive circuit and the first controller respectively through DC voltage-dropping power supply circuits.The DC is depressured Circuit is that the utility model realizes that long-time powers on standby key.
When starting module circuit after the power is turned on, the first controller first by Rotating speed measring circuit gather unit tach signal, Control controllable silicon SCR 1 unit will to be made to stop working not and worked by the short circuit of flameout circuit trigger signal if having rotating speed.Conversely, first Controller is by temperature sensing circuit, obtained temperature conditions, and the adjustment to choke is completed by integrated circuit U3.Work as unit Complete to start, and optocoupler OP1 is transmitted when carrying out fault-signal, the first controller closes DC voltage dropping power supplies by tie point K2, from And whole module is closed, battery capacity is saved as far as possible.
Second controller completes adopting for multi-signal by being connected with zero passage Rotating speed measring circuit and current detection circuit Collection, meanwhile, second controller carries the driving of H bridges, has the ability for directly driving three-phase H bridges, second controller output driving letter The power tube of three-phase H bridge type drive circuit is driven number after processing.The power tube can be 6 by IGBT or MOSFET power tubes etc. Composition, different drivings and driving power pipe can be replaced according to the parameter of electric machine of different magnetoes.
Exported in three-phase H bridge type drive circuit output terminal through peak point current suppression circuit, the Peak current suppression circuit bag Include tri- inductance of L3, L4, L5, it is therefore an objective to contain the peak point current in start-up course, prevent that starting module is excessive because of peak point current Cause wrong identification for over-current state and closedown module.The relay K1 of setting, when starting module detects that unit has been started up Afterwards, it is switched off other electronic components that relay K1 allows in starting module with whole magneto to depart from, relay K1 is not finished Three drives lines of cut-out entirely, need to only cut off any two-phase of driving output.
As Fig. 2, Fig. 3 to Fig. 6 show second embodiment:For 100V~120V network systems, with embodiment 1 other In the case that structure is identical, relay K1 and its control circuit can be saved, only retains inductance L3, inductance L4, inductance L5, also may be used Realize function.

Claims (6)

  1. A kind of 1. general gasoline engines reverse start modular circuit, it is characterised in that:Including the first controller, second controller, institute The first controller input port group is stated to be connected to temperature detecting module, choke door control module, Rotating speed measring module and put out Fiery module, the first controller power source port are connected with power module;
    First controller output end is connected with metal-oxide-semiconductor drive circuit control port, metal-oxide-semiconductor drive circuit output terminal difference Be connected with DC-DC step-up transformer input terminals, the DC-DC step-up transformers output terminal respectively with current rectifying and wave filtering circuit input terminal phase Even, which is also connected with second controller power port;
    The output terminal of the current rectifying and wave filtering circuit module provides DC voltage for three-phase H bridge type drive circuit;
    The three-phase H bridge type drive circuit output terminal is exported through peak point current suppression circuit;
    The control port group of the three-phase H bridge type drive circuit is connected with the control port group of the second controller respectively;
    The output terminal of the three-phase H bridge type drive circuit is connected with the input terminal of current detection module, the current detection module Output terminal is connected with the current detecting port of the second controller;
    The output terminal of the three-phase H bridge type drive circuit is also associated with zero passage Rotating speed measring circuit, the zero passage Rotating speed measring circuit The first detection port of output port and second controller be connected.
  2. A kind of 2. general gasoline engines reverse start modular circuit according to claim 1, it is characterised in that:The power module Including D/C power, filter circuit and DC reduction voltage circuits, the D/C power output terminal is connected with the filter circuit, the filtered electrical Road output terminal is connected with the DC reduction voltage circuits, first output terminal of DC reduction voltage circuits and the first controller power source end phase Even, second output terminal of DC reduction voltage circuits is connected with the power end of metal-oxide-semiconductor drive circuit.
  3. A kind of 3. general gasoline engines reverse start modular circuit according to claim 1, it is characterised in that:The DC decompressions electricity Road includes triode G1 and triode G9, and the base stage of triode G1 is connected through resistance R2 with K1 ports, transistor emitter ground connection, Bridging has a capacitance C3 and resistance R4 respectively between the base stage and emitter of triode G1, and the of triode G1 collectors and resistance R1 One end is connected, and the second end of resistance R1 is connected through resistance R6 with the cathode of power supply;
    Grid of the second end of resistance R1 also respectively with K0 control ports and metal-oxide-semiconductor is connected, and the drain electrode of the metal-oxide-semiconductor and power supply are just Extremely it is connected, source electrode is second voltage output port;
    The base stage of triode G9 is connected through the base stage of resistance R77 and resistance R82 respectively with control port K2 and triode G1 successively, Triode G9 collectors are connected through resistance R64 with the grid of metal-oxide-semiconductor T4, and metal-oxide-semiconductor T4 source class is connected with positive pole, the MOS Pipe T4 drains are the second output terminal, and being bridged between positive pole and triode G9 collectors has resistance R83.
  4. A kind of 4. general gasoline engines reverse start modular circuit according to claim 1, it is characterised in that:The Peak current Suppression circuit include inductance L3, inductance L4, three output ports of inductance L5 three-phase H bridge types drive circuit respectively with inductance L4, electricity Sense L3 is connected with the first end of inductance L5, and the second segment of the inductance L4, inductance L3 and inductance L5 are respectively output terminal.
  5. A kind of 5. general gasoline engines reverse start modular circuit according to claim 1, it is characterised in that:Second control The current acquisition port of device is connected with the output port of current detection module, which drives to flowing through three-phase H bridge type The electric current of dynamic circuit is monitored.
  6. A kind of 6. general gasoline engines reverse start modular circuit according to claim 4, it is characterised in that:The Peak current Suppression circuit further includes relay K1 and triode G13, normal with relay K1 respectively in the second end of inductance L5 and inductance L3 Open switch contact to be connected, electromagnetic coil one end of relay K1 is connected with power supply, and the electromagnetic coil other end is with triode G13's Collector is connected, and triode G13 emitters ground connection, the base stage of triode G13 is connected through resistance R106 with control port R, Also bridging has capacitance C72 and resistance R107 respectively between triode G13 base stages and emitter.
CN201721043008.1U 2017-08-21 2017-08-21 A kind of general gasoline engines reverse start modular circuit Withdrawn - After Issue CN207245910U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721043008.1U CN207245910U (en) 2017-08-21 2017-08-21 A kind of general gasoline engines reverse start modular circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721043008.1U CN207245910U (en) 2017-08-21 2017-08-21 A kind of general gasoline engines reverse start modular circuit

Publications (1)

Publication Number Publication Date
CN207245910U true CN207245910U (en) 2018-04-17

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Application Number Title Priority Date Filing Date
CN201721043008.1U Withdrawn - After Issue CN207245910U (en) 2017-08-21 2017-08-21 A kind of general gasoline engines reverse start modular circuit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107313886A (en) * 2017-08-21 2017-11-03 重庆瑜欣平瑞电子股份有限公司 A kind of general gasoline engines reverse start modular circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107313886A (en) * 2017-08-21 2017-11-03 重庆瑜欣平瑞电子股份有限公司 A kind of general gasoline engines reverse start modular circuit
CN107313886B (en) * 2017-08-21 2019-09-24 重庆瑜欣平瑞电子股份有限公司 A kind of general gasoline engines reverse start modular circuit

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