CN208707544U - It is a kind of for rotating the power supply adaptor of reel storage device automatically - Google Patents
It is a kind of for rotating the power supply adaptor of reel storage device automatically Download PDFInfo
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- CN208707544U CN208707544U CN201821487962.4U CN201821487962U CN208707544U CN 208707544 U CN208707544 U CN 208707544U CN 201821487962 U CN201821487962 U CN 201821487962U CN 208707544 U CN208707544 U CN 208707544U
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Abstract
The utility model relates to a kind of for rotating the power supply adaptor of reel storage device automatically, what is solved is the technical problem that lightning protection capability is weak, reliability is low, by using the discharge tube TVS1-M20KV including being connected electrically on the alternating current firewire and discharge tube TVS2-M20KV on zero curve；Discharge tube TVS1-M20KV is in series with fuse F101, and fuse F101 is electrically connected with varistor TNR2 and varistor TNR1, and varistor TNR1 is electrically connected with resistance R101 and inductance LF1；Discharge tube TVS2-M20KV is in series with fuse F102, fuse F102 is electrically connected another 1 foot of varistor TNR2 and the both ends varistor TNR3, discharge tube TVR1, resistance R102 and inductance LF2, the technical solution of the resistance R101 and resistance R102 electrical connection, the problem is preferably resolved, can be used for rotating in reel storage device automatically.
Description
Technical field
The utility model relates to rotate reel storage device field automatically, and in particular to one kind for rotating reel storage automatically
The power supply adaptor of cryopreservation device.
Background technique
Automatic rotation reel storage device helps to reduce human cost, improves the degree of automation of operations.For revolving automatically
The power supply adaptor for turning reel storage device needs special designing.Because rotation reel storage device storage device is easy to draw automatically
Play lightning stroke.And it is existing for rotating the power supply adaptor of reel storage device automatically and being not provided with the anti-lightning strike measure of effect.
Therefore, weak in order to solve anti-lightning strike ability in the prior art, so as to cause poor reliability the technical issues of.This
Utility model provides a kind of anti-lightning strike ability the strong power supply adaptor for rotation reel storage device automatically.
Utility model content
Technical problem to be solved in the utility model is that anti-lightning strike ability existing in the prior art is weak, reliability is low
Technical problem.A kind of new power supply adaptor for rotation reel storage device automatically is provided, this is used to rotate reel automatically
The power supply adaptor of storage device has the characteristics that anti-lightning strike ability is strong, high reliablity.
In order to solve the above technical problems, the technical solution adopted is as follows:
It is a kind of for rotating the power supply adaptor of reel storage device, including switching power supply, the power supply automatically
Adapter further includes the lightning protection unit for being connected electrically in switching power supply front end, and switching power supply rear end is electrically connected with DC-DC
Converter unit, the output voltage of DC-DC converter unit for rotating the power supply of reel storage device automatically；
The lightning protection unit includes the discharge tube TVS1-M20KV being connected electrically on alternating current firewire and is connected electrically in city's electrical zero
Discharge tube TVS2-M20KV on line；
The joint of the discharge tube TVS1-M20KV and alternating current firewire is electrically connected with the 1st foot of fuse F101, fuse
The 2nd foot of F101 is electrically connected with the 1st foot of varistor TNR2 and the 1st foot of varistor TNR1, the electrical connection of the 2nd foot of varistor TNR1
There are resistance R101 and inductance LF1, the 2nd foot of varistor TNR2 is electrically connected with discharge tube TVR1；
The joint of the discharge tube TVS2-M20KV and alternating current zero curve is electrically connected with fuse F102, fuse F102 electricity
It is connected with resistance R102, the 1st foot of varistor TNR3 and inductance LF2, resistance R102 are electrically connected with resistance R102, pressure sensitive inductive
The 2nd foot of TNR3 is electrically connected with the 2nd foot of varistor TNR2 to be electrically connected with the 1st foot of discharge tube TVR1 simultaneously.
Working principle of the utility model is: general power supply adaptor be using switching power supply and DC-DC convert
The combination of unit, the suitable supply voltage of output voltage.The utility model is electrically connected contact simultaneously switching power supply and alternating current
It is associated with lightning protection device.It is parallel with discharge tube TVS1-M20KV and TVS2-M20KV, discharge tube TVS1- respectively in firewire and zero curve
M20KV and TVS2-M20KV ground connection.When the lightning stroke voltage of experience is higher than 20KV, discharge tube TVS1-M20KV and TVS2-M20KV
Work greatly the importing of thunder and lightning high-voltage great-current can avoid rear class device failure by transient switching in 5ns.Have in device and is lower than
When 20KV surge current below enters through outlet, varistor TNR2 (Surge Protector), varistor TNR3 (surge
Protector) and discharge tube TVR1 can within 10ns nanosecond transient switching, surge current import the earth, avoid surge voltage pair
In the damage of rear class device.
In above scheme, for optimization, further, the switching power supply includes exchange anti-jamming circuit, and is exchanged
The current rectifying and wave filtering circuit of anti-jamming circuit electrical connection, the start-up circuit being electrically connected with current rectifying and wave filtering circuit, start-up circuit electrical connection
There is pwm control circuit for controlling start-up circuit.
Further, the pwm control circuit includes governor circuit OB2273.
Further, the DC-DC converter unit includes integrated circuit AX3007ESA, the output electricity of DC-DC converter unit
Pressure is 12V.
Further, the DC-DC converter unit is also electrically connected standby power unit, and standby power unit includes that lithium electricity fills
Electric administrative unit and the lithium battery being electrically connected with lithium electricity Charge Management unit.
Further, the lithium electricity Charge Management unit packet integrated circuit DW01H12EN, integrated circuit DW01H12EN's
The end OD is electrically connected with the pole G of NMOS tube Q2, and the pole D of NMOS tube Q2 is electrically connected to the end GND of integrated circuit DW01H12EN, integrates
The end CS of circuit DW01H12EN is electrically connected to the end GND of integrated circuit DW01H12EN, integrated circuit by a resistance
The end OC of DW01H12EN is electrically connected with the pole G of NMOS tube Q1, and the pole D of NMOS tube Q1 is electrically connected with the pole S of NMOS tube Q2, integrates
The end TH+ and the end TH- of circuit DW01H12EN are electrically connected respectively to the positive and negative anodes of lithium battery.
Further, electric between the end TH+ of the integrated circuit DW01H12EN and the end TH- of integrated circuit DW01H12EN
It is connected with thermistor.
Further, it is electrically connected between the DC-DC converter unit and standby power unit for switching DC-DC transformation
The supply control unit of unit and standby power unit power supply, when the supply control unit control DC-DC converter unit is powered
DC-DC converter unit is controlled simultaneously to power to standby power unit.
Further, the supply control unit includes relay K3, and the 5th foot of relay K3 is electrically connected with diode D6；
Diode D6 is electrically connected with the 5th foot of relay K2, and the 2nd foot of relay K2 is electrically connected with the C of NPN transistor Q7
Pole；
The pole B of NPN transistor Q7 is electrically connected to the 1st foot of relay K2 by resistance R25, is electrically connected to DC-DC transformation list
The feedback end of member, and it is electrically connected to by resistance R25 the pole B of NPN transistor Q8, the 1st foot of relay K2 is also electrically connected to DC-
The feedback end of DC converter unit；
The pole C of NPN transistor Q8 is electrically connected to the 1st foot of relay K3, and the 2nd foot of relay K3 is electrically connected to relay K1
The 3rd foot, the 1st foot of relay K1 and the 4th foot be electrically connected to the feedback end of DC-DC converter unit, and the 2nd foot is electrically connected to NPN
The pole C of transistor Q6, the pole B of NPN transistor Q6 are electrically connected to the feedback end of DC-DC converter unit by resistance R25.
Further, circuit of three-terminal voltage-stabilizing integrated is electrically connected between the diode D6 and the 5th foot of relay K2
LM7805；The end Vin of circuit of three-terminal voltage-stabilizing integrated LM7805 is electrically connected to diode D6 cathode, circuit of three-terminal voltage-stabilizing integrated
The end Vout of LM7805 is parallel with the 5th foot that relay K2 is electrically connected to after filter capacitor.
The utility model uses at switching power supply on the basis of providing anti-lightning strike protection and surging prevention
PWM controls start-up circuit, and PWM controls start-up mode, is taken from switch transformer winding feedback electric signal and removes control switch pipe
It opens and closes, switch metal-oxide-semiconductor is connected when opening, and is disconnected when closed, while providing voltage instead of start-up circuit, significantly
The power consumption of power supply adaptor is reduced, to improve power supply efficiency.In PWM control start-up circuit, the utility model is used
Governor circuit OB2273, governor circuit OB2273 can play starting fastly, at the same can soft start, reduce the stress of switch metal-oxide-semiconductor.
The utility model keeps power supply in the case where alternating current is without input to realize, electric also after DC-DC converter unit
It is connected to backup power source.The output voltage of backup power source is identical as the output voltage of DC-DC converter unit.In order to preferably coordinate
The relationship of mains-supplied and lithium battery power supply, the utility model devise lithium electricity Charge Management unit and supply control unit,
When mains-supplied, supply control unit control alternating current simultaneously charges to lithium battery.In order to further ensure lithium battery can
By property and safety, lithium electricity Charge Management unit provides protection circuit.It is steady at three end of middle addition of supply control unit simultaneously
Integrated circuit is pressed, the stability of supply control unit is improved.
The utility model has the beneficial effects that the utility model realizes the protection for lightning stroke and the protection of surge, protection
Power supply adaptor, improves reliability and service life.Using the Switching Power Supply and backup power source of PWM starting control, realize
For rotating the uninterrupted power supply of reel storage device automatically.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1, the lightning protection unit in embodiment 1 are electrically connected schematic diagram.
Fig. 2, the switching power supply schematic diagram in embodiment 2.
Fig. 3, the DC-DC converter unit schematic diagram in embodiment 2.
Fig. 4, the standby power unit schematic diagram in embodiment 3.
Fig. 5, the supply control unit schematic diagram in embodiment 3.
Fig. 6, the power supply adaptor complete circuit schematic diagram of embodiment 3.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain that this is practical new
Type is not used to limit the utility model.
Embodiment 1
The present embodiment provides a kind of for rotating the power supply adaptor of reel storage device, including Switching Power Supply list automatically
Member, the power supply adaptor further include the lightning protection unit for being connected electrically in switching power supply front end, switching power supply rear end
It is electrically connected with DC-DC converter unit, the output voltage of DC-DC converter unit for rotating the power supply of reel storage device automatically；Such as
Fig. 1, the lightning protection unit include the discharge tube TVS1-M20KV being connected electrically on alternating current firewire and are connected electrically on alternating current zero curve
Discharge tube TVS2-M20KV；
The joint of the discharge tube TVS1-M20KV and alternating current firewire is electrically connected with the 1st foot of fuse F101, fuse
The 2nd foot of F101 is electrically connected with the 1st foot of varistor TNR2 and the 1st foot of varistor TNR1, the electrical connection of the 2nd foot of varistor TNR1
There are resistance R101 and inductance LF1, the 2nd foot of varistor TNR2 is electrically connected with discharge tube TVR1；
The joint of the discharge tube TVS2-M20KV and alternating current zero curve is electrically connected with fuse F102, fuse F102 electricity
It is connected with resistance R102, the 1st foot of varistor TNR3 and inductance LF2, resistance R102 are electrically connected with resistance R102, pressure sensitive inductive
The 2nd foot of TNR3 is electrically connected with the 2nd foot of varistor TNR2 to be electrically connected with the 1st foot of discharge tube TVR1 simultaneously.
The input of the present embodiment alternating current is the voltage within the scope of AC85-265V.L indicates that firewire, N indicate zero curve in figure.
The specification of fuse F101 is 6.3A/250V, varistor TNR1, varistor TNR2, varistor TNR3 model
14D471K.The model DA53-369M of discharge tube TVR1.
The switching power supply of the present embodiment uses existing Switching Power Supply, and DC-DC converter unit uses exportable 3A/
The module of 12V.
In the present embodiment, when outside has the lightning stroke voltage higher than 20KV to enter power supply adaptor, discharge tube TVS1-
M20KV and TVS2-M20KV transient switching can work in 5ns, and thunder and lightning high-voltage great-current is imported the earth, avoids rear class device
Part damage.On the basis of protecting lightning stroke, the present embodiment is when meeting with the surge current for being lower than 20KV, varistor TNR2 (wave
Surge protector), varistor TNR3 (Surge Protector) and discharge tube TVR1 transient switching can work within 10ns nanosecond,
Surge current imports the earth, avoids damage of the surge voltage for rear class device.
Embodiment 2
The present embodiment is the refinement for switching power supply on the basis of embodiment 1, selects controlled type start-up circuit
Switching Power Supply as the present embodiment.Switching power supply includes exchange anti-jamming circuit, is electrically connected with exchange anti-jamming circuit
Current rectifying and wave filtering circuit, the start-up circuit being electrically connected with current rectifying and wave filtering circuit, start-up circuit is electrically connected with pwm control circuit and is used for
Control start-up circuit.
Specifically, the pwm control circuit of the present embodiment selects governor circuit OB2273.Circuit diagram such as Fig. 2 is exchanged anti-interference
Circuit, current rectifying and wave filtering circuit, this embodiment is not repeated, is detailed in attached drawing 2.Pwm control circuit such as Fig. 2 of this mountain teacher, master control
The GATE foot of circuit OB2273 is electrically connected to field-effect tube FQPF10N70 after being electrically connected with diode 4148 and resistance R6 in parallel
The pole G of (switching tube).The end CS of governor circuit OB2273 be electrically connected with zener diode ZD1/18V, 100pF capacitor in parallel,
10k resistance and 1k resistance, another 1 foot of 1k resistance are electrically connected with the pole S of 0.22 Ω resistance and field-effect tube FQPF10N70, field-effect
The pole S of pipe FQPF10N70 is grounded after also passing through 0.22 Ω resistance and capacitor C2.The end GND of governor circuit OB2273.Governor circuit
The FB foot of OB2273 is electrically connected to phototriode U2-B.Remaining peripheral circuit such as Fig. 2 of governor circuit 0B2273, the present embodiment
It repeats no more.
The present embodiment compares general switching circuit, and it is (controllable that the pwm control circuit used increases photodiode U2-B
Switch), the feedback signal by being derived from switch transformer feedback winding goes the opening and closing of control switch, it can reduce power consumption,
The failure rate of start-up circuit is reduced simultaneously.
Specifically, the DC-DC converter unit in the present embodiment uses integrated circuit AX3007ESA and its peripheral circuit, DC-
The output voltage of DC converter unit is 12V.Peripheral circuit electric connection mode such as Fig. 3 of AX3007ESA.
Embodiment 3
The present embodiment improves power supply duration and power supply reasonability on the basis of embodiment 2.Specifically, this implementation
The DC-DC converter unit of example is also electrically connected standby power unit, standby power unit include lithium electricity Charge Management unit with
And the lithium battery being electrically connected with lithium electricity Charge Management unit.
Specifically, such as Fig. 4, the lithium electricity Charge Management unit packet integrated circuit DW01H12EN, integrated circuit
The end OD of DW01H12EN is electrically connected with the pole G of NMOS tube Q2, and the pole D of NMOS tube Q2 is electrically connected to integrated circuit DW01H12EN's
The end GND, the end CS of integrated circuit DW01H12EN are electrically connected to the end GND of integrated circuit DW01H12EN by a resistance, collection
The pole G of NMOS tube Q1 is electrically connected at the end OC of circuit DW01H12EN, the pole D of NMOS tube Q1 is electrically connected with the pole S of NMOS tube Q2
It connects, the end TH+ and the end TH- of integrated circuit DW01H12EN are electrically connected respectively to the positive and negative anodes of lithium battery.
In order to improve the service life of lithium battery, it is preferable that the end TH+ of the integrated circuit DW01H12EN and integrated circuit
Thermistor is electrically connected between the end TH- of DW01H12EN.
In order to enable mains-supplied and stand-by power supply are more reasonable, it is preferable that the DC-DC converter unit and backup power source
The supply control unit for switching DC-DC converter unit and standby power unit power supply, the confession are electrically connected between unit
DC-DC converter unit is controlled simultaneously when electric control unit control DC-DC converter unit power supply to power to standby power unit.
Specifically, if Fig. 5, the supply control unit include relay K3, the 5th foot of relay K3 is electrically connected with diode
D6；
Diode D6 is electrically connected with the 5th foot of relay K2, and the 2nd foot of relay K2 is electrically connected with the C of NPN transistor Q7
Pole；
The pole B of NPN transistor Q7 is electrically connected to the 1st foot of relay K2 by resistance R25, is electrically connected to DC-DC transformation list
The feedback end of member, and it is electrically connected to by resistance R25 the pole B of NPN transistor Q8, the 1st foot of relay K2 is also electrically connected to DC-
The feedback end of DC converter unit；
The pole C of NPN transistor Q8 is electrically connected to the 1st foot of relay K3, and the 2nd foot of relay K3 is electrically connected to relay K1
The 3rd foot, the 1st foot of relay K1 and the 4th foot be electrically connected to the feedback end of DC-DC converter unit, and the 2nd foot is electrically connected to NPN
The pole C of transistor Q6, the pole B of NPN transistor Q6 are electrically connected to the feedback end of DC-DC converter unit by resistance R25.
In order to improve stability, it is steady specifically, between the diode D6 and the 5th foot of relay K2 to be electrically connected with three ends
Press integrated circuit LM7805；The end Vin of circuit of three-terminal voltage-stabilizing integrated LM7805 is electrically connected to diode D6 cathode, three-terminal voltage-stabilizing collection
The 5th foot that relay K2 is electrically connected to after filter capacitor is parallel at the end Vout of circuit LM7805.
Such as the complete circuit schematic diagram that Fig. 6 is the present embodiment.
Although the illustrative specific embodiment of the utility model is described above, in order to the art
Technical staff is it will be appreciated that the utility model, but the utility model is not limited only to the range of specific embodiment, to this technology
For the those of ordinary skill in field, as long as long as the utility model that various change is limited and determined in the attached claims
In spirit and scope, all are created using the utility model of the utility model design in the column of protection.
Claims (9)
1. a kind of for rotating the power supply adaptor of reel storage device, including switching power supply automatically, it is characterised in that: institute
The power supply adaptor stated further includes the lightning protection unit for being connected electrically in switching power supply front end, the electrical connection of switching power supply rear end
There is DC-DC converter unit, the output voltage of DC-DC converter unit for rotating the power supply of reel storage device automatically；
The lightning protection unit includes the discharge tube TVS1-M20KV being connected electrically on alternating current firewire and is connected electrically on alternating current zero curve
Discharge tube TVS2-M20KV；
The joint of the discharge tube TVS1-M20KV and alternating current firewire is electrically connected with the 1st foot of fuse F101, fuse F101
2nd foot is electrically connected with the 1st foot of varistor TNR2 and the 1st foot of varistor TNR1, and the 2nd foot of varistor TNR1 is electrically connected with electricity
R101 and inductance LF1 is hindered, the 2nd foot of varistor TNR2 is electrically connected with discharge tube TVR1；
The joint of the discharge tube TVS2-M20KV and alternating current zero curve is electrically connected with fuse F102, fuse F102 electrical connection
There is resistance R102, the 1st foot of varistor TNR3 and inductance LF2, resistance R102 are electrically connected with resistance R102, pressure sensitive inductive TNR3
2 feet are electrically connected with the 2nd foot of varistor TNR2 and are electrically connected simultaneously with the 1st foot of discharge tube TVR1.
2. according to claim 1 for rotating the power supply adaptor of reel storage device automatically, it is characterised in that: described
Switching power supply includes exchange anti-jamming circuit, and the current rectifying and wave filtering circuit being electrically connected with exchange anti-jamming circuit is filtered with rectification
The start-up circuit of wave circuit electrical connection, start-up circuit are electrically connected with pwm control circuit for controlling start-up circuit.
3. according to claim 2 for rotating the power supply adaptor of reel storage device automatically, it is characterised in that: described
Pwm control circuit includes governor circuit OB2273.
4. according to claim 2 for rotating the power supply adaptor of reel storage device automatically, it is characterised in that: described
DC-DC converter unit includes integrated circuit AX3007ESA, and the output voltage of the DC-DC converter unit is 12V.
5. according to claim 4 for rotating the power supply adaptor of reel storage device automatically, it is characterised in that: described
DC-DC converter unit is also electrically connected standby power unit, standby power unit include lithium electricity Charge Management unit and with lithium electricity
The lithium battery of Charge Management unit electrical connection.
6. according to claim 5 for rotating the power supply adaptor of reel storage device automatically, it is characterised in that: described
The end OD of lithium electricity Charge Management unit packet integrated circuit DW01H12EN, integrated circuit DW01H12EN are electrically connected with NMOS tube Q2's
The pole G, the pole D of NMOS tube Q2 are electrically connected to the end GND of integrated circuit DW01H12EN, and the end CS of integrated circuit DW01H12EN passes through
One resistance is electrically connected to the end GND of integrated circuit DW01H12EN, and the end OC of integrated circuit DW01H12EN is electrically connected with NMOS
The pole G of pipe Q1, the pole D of NMOS tube Q1 are electrically connected with the pole S of NMOS tube Q2, the end TH+ and the end TH- of integrated circuit DW01H12EN
It is electrically connected respectively to the positive and negative anodes of lithium battery.
7. according to claim 5 for rotating the power supply adaptor of reel storage device automatically, it is characterised in that: described
It is electrically connected between DC-DC converter unit and standby power unit and is supplied for switching DC-DC converter unit and standby power unit
The supply control unit of electricity, the supply control unit control DC-DC converter unit control DC-DC converter unit when powering simultaneously
It powers to standby power unit.
8. according to claim 7 for rotating the power supply adaptor of reel storage device automatically, it is characterised in that: described
Supply control unit includes relay K3, and the 5th foot of relay K3 is electrically connected with diode D6；
Diode D6 is electrically connected with the 5th foot of relay K2, and the 2nd foot of relay K2 is electrically connected with the pole C of NPN transistor Q7；
The pole B of NPN transistor Q7 is electrically connected to the 1st foot of relay K2 by resistance R25, is electrically connected to DC-DC converter unit
Feedback end, and it is electrically connected to by resistance R25 the pole B of NPN transistor Q8, the 1st foot of relay K2 is also electrically connected to DC-DC change
Change the feedback end of unit；
The pole C of NPN transistor Q8 is electrically connected to the 1st foot of relay K3, and the 2nd foot of relay K3 is electrically connected to the of relay K1
3 feet, the 1st foot of relay K1 and the 4th foot are electrically connected to the feedback end of DC-DC converter unit, and the 2nd foot is electrically connected to NPN crystal
The pole C of pipe Q6, the pole B of NPN transistor Q6 are electrically connected to the feedback end of DC-DC converter unit by resistance R25.
9. according to claim 8 for rotating the power supply adaptor of reel storage device automatically, it is characterised in that: described
Circuit of three-terminal voltage-stabilizing integrated LM7805 is electrically connected between diode D6 and the 5th foot of relay K2；Circuit of three-terminal voltage-stabilizing integrated
The end Vin of LM7805 is electrically connected to diode D6 cathode, and the end Vout of circuit of three-terminal voltage-stabilizing integrated LM7805 is parallel with filtered electrical
The 5th foot of relay K2 is electrically connected to after appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821487962.4U CN208707544U (en) | 2018-09-12 | 2018-09-12 | It is a kind of for rotating the power supply adaptor of reel storage device automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821487962.4U CN208707544U (en) | 2018-09-12 | 2018-09-12 | It is a kind of for rotating the power supply adaptor of reel storage device automatically |
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| CN208707544U true CN208707544U (en) | 2019-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088553A (en) * | 2018-09-12 | 2018-12-25 | 上海芯哲微电子科技股份有限公司 | It is a kind of for rotating the power supply adaptor of reel storage device automatically |
-
2018
- 2018-09-12 CN CN201821487962.4U patent/CN208707544U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109088553A (en) * | 2018-09-12 | 2018-12-25 | 上海芯哲微电子科技股份有限公司 | It is a kind of for rotating the power supply adaptor of reel storage device automatically |
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