CN102522797A - Multifunctional integrated power supply device - Google Patents
Multifunctional integrated power supply device Download PDFInfo
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- CN102522797A CN102522797A CN2011104454828A CN201110445482A CN102522797A CN 102522797 A CN102522797 A CN 102522797A CN 2011104454828 A CN2011104454828 A CN 2011104454828A CN 201110445482 A CN201110445482 A CN 201110445482A CN 102522797 A CN102522797 A CN 102522797A
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Abstract
The invention relates to a multifunctional integrated power supply device, which comprises an emergence power supply and a rectification and inverter device. The emergence power supply comprises a power supply box and a box casing, the rectification and inverter device comprises a device box, the power supply box is provided with a power supply socket for being electrically connected with a storage battery, the box casing is provided with a plug in plug-in match with the power supply socket, and the power supply box is slidably connected with the box casing. Inserting grooves are arranged on the device box, electric conduction connection terminals are arranged in the inserting grooves, and an inverter circuit, a rectification circuit and a measurement and control communication circuit are respectively arranged in an inverter functional module, a rectification functional module and a measurement and control functional module. An electric conduction butt-joint terminal is respectively arranged on each functional module which is in clamp connection with each inserting groove, and electric conduction connection terminals are electrically connected with the electric conduction butt-joint terminals. The multifunctional integrated power supply device is high in design flexibility, convenient in overhaul and installation, small in size, low in cost and capable of avoiding unreasonable utilization of resources because an import power supply is used under the condition that the performance stability is guaranteed.
Description
Technical field
The present invention relates to low-voltage distribution network system controller switching equipment power supply technique field, relate in particular to a kind of multifunctional all supply unit.
Background technology
Distribution network systems generally is applied to the distribution of transformer station, power plant, industrial and mining enterprises etc., in order to the electric energy conversion of control illumination, controller switching equipment and the communication of fault-signal etc.At present; The supply power mode of controller switching equipment all adopts duplicate supply reliably to supply power in the distribution network systems, and promptly when civil power generation power supply trouble, supply unit will be accomplished at short notice to automatically switch and restore electricity; Guaranteeing the reliability of controller switching equipment, this supply power mode can guarantee that controller switching equipment supplies power continuously.The most of power distribution stations of China all adopt the controller switching equipment of import; Be provided with supply unit and power distribution network watch-dog in this kind controller switching equipment, supply unit is given the power supply of power distribution network watch-dog when municipal power failure, and supply unit comprises that inside is provided with the commutation inversion device and the emergency power supply of each functional module; Power distribution network watch-dog and commutation inversion apparatus integration are arranged on the inside of controller switching equipment; Emergency power supply is removable to be connected on the controller switching equipment, and the controller switching equipment integrating cabinet is huge, costs an arm and a leg.
The emergency service time of emergency power supply was 3 days in the import controller switching equipment; Therefore; A plurality of large-capacity batteries that emergency power supply is equipped with, each storage battery is placed on separately on the rack, and the outer lead-out wire through storage battery is electrically connected with power distribution network watch-dog and commutation inversion device.Though the reliability of import emergency power supply is high, duration of power supply is long, it costs an arm and a leg, bulky; Moreover; The import supply unit is to be provided with specially to other national power distribution network, may not just be fit to the power distribution station of China, and the emergency service time of import supply unit is 3 days; And the repairing time rule of controller switching equipment fault only has only 1.5 hours in China's electrical network; Power reguirements for emergency power supply also has only 3 hours, is far smaller than the emergency service time of import equipment, when using the import supply unit, causes waste significantly.Supply unit all needs periodic maintenance and maintenance, and the detection maintenance of storage battery also is absolutely necessary, and the storage battery of import supply unit is in maintenance and very inconvenience of maintenance; Large-capacity battery is heavy; Be not easy to move, and storage battery maintenance to overhaul each storage battery, need the both positive and negative polarity lead-out wire of storage battery be connected with storage battery dedicated repair apparatus; Work is big, through outer lead-out wire and rack very inconvenience is installed also.
The commutation inversion device performance of import supply unit is stable, but very flexible, poor expandability in actual use.Be provided with inverter circuit, rectification circuit and telemetry communication circuit in the commutation inversion device; In order to accomplish difference in functionality; In case problems such as operation troubles appear in certain circuit of commutation inversion device; Just must be equipped with and the power distribution equipment of commutation inversion device identical function replaces original device in when maintenance, make whole device be in inspecting state, influence each other between each circuit in the commutation inversion device; The fault of certain functional circuit all can influence the work of whole device, has therefore expended a large amount of costs of overhaul.Simultaneously, the commutation inversion device is a product device, when device appears on the scene, has accomplished all function designs, poor expandability.
Summary of the invention
Technical problem to be solved by this invention is that problem and the commutation inversion device that the emergency power supply to existing expensive import supply unit in use exists the storage battery wasting of resources, storage battery maintenance to move the convenience difference exists very flexible, the inconvenient problem of maintenance in use, provides a kind of and has the flexibility height, maintenance is easy for installation, volume is little, the multifunctional all supply unit of reasonable price.
For addressing the above problem, technical scheme of the present invention is:
A kind of multifunctional all supply unit; Comprise emergency power supply of forming by a plurality of storage batterys and the commutation inversion device that is electrically connected with emergency power supply; Said emergency power supply comprises power box and cabinet shell; The commutation inversion device comprises device box, is provided with inverter circuit, rectification circuit and telemetry communication circuit in the device box, and said power box is provided with the supply socket that is used to be electrically connected storage battery; Cabinet shell is provided with the plug that cooperates with the supply socket plug, and said power box and cabinet shell are slidingly connected; Said device box is provided with a plurality of slots that are used for the installation function module; Be provided with the conduction splicing ear in the slot; Said inverter circuit, rectification circuit and telemetry communication circuit are separately positioned in invert function module, rectification function module and the observing and controlling functional module; Each functional module be provided with functional module in the conduction that is electrically connected of corresponding circuits dock terminal, said each functional module respectively with the slot clamping, the conduction splicing ear docks the terminal electric connection with conducting electricity.
Preferably, said power box is provided with the detection maintenance interface that is used for Battery Performance Testing, and the both positive and negative polarity of said detection maintenance interface and each storage battery electrically connects.Detect the setting of maintenance interface, the workload that when regularly detecting storage battery, has reduced only needs to overhaul when interface that maintenance interface matches is electrically connected and inserts checkout equipment and can realize a plurality of storage battery with detecting through one, and is convenient and practical.
Preferably, the side that said power box has supply socket is provided with a plurality of supporting pad pin, and a side power box relative with supporting pad pin installation side is provided with handle.Height between supporting pad pin and the power box installation side is greater than the height of supply socket; When changing or overhaul power supply, can power supply be mentioned through handle, land at the place by the supporting pad pin; Easily power box is extracted out in cabinet shell, also avoided supply socket directly with contact.
Preferably; Said power box both sides end face is provided with slide rail, and pulley is installed on the slide rail, and said pulley comprises top sheave, lower sheave and location pulley; Top sheave and lower sheave are fixedly connected on the end that pushes of slide rail, and the location pulley is fixedly connected on slide rail with respect to the other end that pushes end; Said cabinet shell both sides end face is provided with the chute that cooperatively interacts with slide rail, and chute rolls with lower sheave with top sheave and is connected.Top sheave and lower sheave contact with the upper and lower groove of chute respectively, and the frictional force that when advancing or pulling out, receives of power box is less, more laborsaving like this.The location pulley offsets with the chute end when power box slides into the cabinet shell top, stops power box to continue to push, and reaches the effect that power box is located.
Preferably, said emergency power supply is in series by the storage battery of four 12V.The storage battery of four 12V is connected into the emergency power supply of a 48V, after the mains-supplied fault, can enough satisfy 3 hours emergency service, is 2 times of emergency first-aid repair time; If need the more standby time, can increase the quantity of emergency power supply.
Preferably, the width of said device box is 48.26 centimetres, highly is 4.445 centimetres integral multiple, and the width of said cabinet shell is 48.26 centimetres.Device box and emergency power supply can be installed on the arbitrary standards server cabinet; The width of emergency power supply cabinet shell, device box is standard size; The height of device box also is the server standard size, therefore, and when mounted; Need not to dispose special cabinet in addition and deposit, conveniently install and use.
Preferably, the height of said functional module is 4.445 centimetres.The height of each functional module also is the server standard size, can conveniently install.
Preferably, the both sides panel of said each functional module is provided with the snap close accessory, and the both sides panel of slot is provided with snap close piece, snap close accessory and snap close piece snap fit.Snap close accessory and snap close piece closely cooperate each functional module and slot, are difficult for displacement, have guaranteed conduction butt joint terminal and the electrical contact performance of the conduction splicing ear on the slot on the functional module.
Preferably, said snap close accessory comprises a dead bolt and a dead bolt locating part, and dead bolt is fixedly connected on the functional module side panel through spring; Dead bolt one end is provided with limited impression; The other end is provided with spacing protuberance, and said dead bolt locating part cooperates with limited impression is spacing, and said snap close piece is a through hole; Through hole is arranged on the slot bottom, and through hole cooperates with spacing protuberance plug.The snap close accessory is simple in structure, and volume is little, be highly suitable on the modularization and install, and auto-lock function is superior, and is simple and convenient.
Preferably, said dead bolt locating part is a pull bar, and pull bar one end is fixedly connected with the leading flank of functional module through spring, and the other end of pull bar cooperates with limited impression is spacing.
Be compared to prior art; Multifunctional all supply unit of the present invention is with emergency power supply and modular commutation inversion device is dismountable is installed on the server; The storage battery quantity in the emergency power supply and the quantity of emergency power supply all can dispose as required; And the plug of emergency power supply casing and casing housing cooperates, and makes that the outer lead-out wire of each storage battery concentrates in the supply socket in the power box, and outer lead-out wire that not only will be mixed and disorderly standardizes; And simplified the installation procedure between emergency power supply and the casing housing, realize plug and play; The commutation inversion device is installed in the circuit of difference in functionality in each functional module; Each functional module cooperates with the interior slot plug of device box; In use the quantity of flexible configuration functional module according to actual needs also can be provided with a plurality of standby functions modules as required, has increased the Scalable Performance of device; Improved the stability of device, and overhauled easy for installation; Design flexibility of the present invention is high, maintenance is easy for installation, volume is little, cost is low, under the stable situation of guaranteed performance, and the phenomenon of having avoided use import supply unit to bring resource rationally not utilize.
Description of drawings
Fig. 1 is that multifunctional all supply unit of the present invention is installed in server machine perspective view cashier's office in a shop.
Fig. 2 is the perspective view of multifunctional all supply unit power box of the present invention.
Fig. 3 is the rear perspective structural representation of multifunctional all supply unit power box of the present invention.
Fig. 4 is the right TV structure sketch map of multifunctional all supply unit power box of the present invention.
Fig. 5 is the perspective view of multifunctional all supply unit cabinet shell of the present invention.
Fig. 6 is the sectional structure sketch map of multifunctional all supply unit power box of the present invention.
Fig. 7 is a storage battery and the circuit connection diagram that detects maintenance interface in the multifunctional all supply unit emergency power supply of the present invention.
Fig. 8 is the user mode structural representation of emergency power supply in the multifunctional all supply unit of the present invention.
Fig. 9 is the perspective view of commutation inversion device in the multifunctional all supply unit of the present invention.
Figure 10 is the perspective view of device box in the multifunctional all supply unit of the present invention.
Figure 11 is the perspective view of observing and controlling functional module in the multifunctional all supply unit of the present invention.
Figure 12 is the structural representation of functional module snap close accessory in the multifunctional all supply unit of the present invention.
Figure 13 is the user mode sketch map of functional module snap close accessory in the multifunctional all supply unit of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment further explain the present invention, but protection scope of the present invention is not limited to this.
With reference to Fig. 1, multifunctional all supply unit of the present invention comprises emergency power supply of being made up of a plurality of storage batterys 17 10.3 and the commutation inversion device 10.2 that is electrically connected with emergency power supply 10.3.Emergency power supply 10.3 together is installed on the server cabinet 10 with commutation inversion device 10.2, the power distribution network watch-dog 10.1 that said commutation inversion device 10.2 is electrically connected on the server cabinet 10.Being used of power distribution network watch-dog 10.1 and multifunctional all supply unit can be realized the distribution of distribution network systems such as transformer station, power plant, industrial and mining enterprises etc., in order to the electric energy conversion of control illumination, controller switching equipment and the communication of fault-signal etc.
With reference to Fig. 2-8, said emergency power supply 10.3 comprises power box 11, a plurality of storage battery 17 that is used to hold storage battery 17 and the cabinet shell 15 that is used to place power box 11.The quantity of said storage battery 17 and capacity can be decided by the needed capacity of power supply; In the present invention, the emergency power supply 10.3 that is connected into a 48V with storage battery B1, B2, B3 and the B4 of four 12V is an example, after the mains-supplied fault; Can enough satisfy 3 hours emergency service; Be 2 times of the emergency first-aid repair time,, can increase the quantity of emergency power supply 10.3 if need the more standby time.
The rear side mounting panel of said power box 11 is provided with the supply socket 12 and the detection maintenance interface 13 that is used for storage battery 17 Performance Detection that is used to be electrically connected storage battery 17.Said supply socket 12 is three corner sockets commonly used, and the batteries behind three corner sockets and the polyphone links to each other, in order to the charging and the discharge of realization batteries.Cabinet shell 15 is provided with the plug 16 that cooperates with supply socket 12 plugs, and plug 16 is three slotting plugs.This power supply is concentrated four storage batterys 17 and is placed in the power box 11; The outer lead-out wire of each storage battery 17 all concentrates in the supply socket 12 in the power box 11; With mixed and disorderly outer lead-out wire standardization; And simplified the installation relation between power box 11 and the cabinet shell 15, change plug into and cooperate.Said detection maintenance interface 13 electrically connects with the both positive and negative polarity of each storage battery 17, detects maintenance interface 13 and is provided with eight conducting terminals, and per two conducting terminals link to each other with the both positive and negative polarity of a joint storage battery 17 wherein.Also be respectively equipped with supporting pad pin 14 on four angles of power box 11 rear side mounting panels, the installed in front plate of power box 11 is provided with handle 11.3.Height between supporting pad pin 14 and the power box 11 rear side mounting panels is greater than supply socket 12 and detect the height between maintenance interface 13 and the power box 11 rear side mounting panels; Make power supply when changing or overhaul; Can power box 11 be mentioned through handle 11.3; Land at 14 places by the supporting pad pin, avoid supply socket 12 with detect maintenance interface 13 directly with contact.Detect the setting of maintenance interface 13; When regularly detecting, reduced the workload of storage battery; When power maintenance, only need to detect maintenance interface 13 and be electrically connected and insert and overhaul when checkout equipment can be realized a plurality of storage battery 17 with detecting interface that maintenance interface 13 matches, convenient and practical.
Said power box 11 installed in front plates are provided with the plug indicator light 11.1 that is used to indicate power supply plug work whether to accomplish, are used to indicate batteries to discharge and recharge the battery condition indicator light 11.2 and the mains switch 11.4 of operating state.Said indicator light 11.1 is electrical connected with supply socket 12, and indicator light 11.1 is lighted when supply socket 12 successfully connects, and expression connects normal.Certainly, the indicator light deixis can also have other connected mode, links to each other with indicator light 11.1 such as the use travel switch, or uses magnet and tongue tube to realize that detail can be with reference to traditional limit mounting mode.Said battery condition indicator light 11.2 is electrical connected with supply socket 12, and switch 11.4 is electrical connected with supply socket 12.Plug indicator light 11.1 has increased instant-plugging power supply hommization one side with battery condition indicator light 11.2; The staff can be through the correctness of the clear and definite installment work of these indicator lights; Need not to detect, just can confirm the current state of storage battery through other electric equipment.
The both sides end face of said power box 11 is provided with and makes power box 11 slip into the slide rail 19 in the cabinet shell 15; On the slide rail 19 pulley is installed; Said pulley comprises top sheave 20, lower sheave 21 and location pulley 22; Top sheave 20 and lower sheave 21 are fixed in the end that pushes of slide rail 19, and location pulley 22 is fixed on the slide rail 19 with respect to the other end that pushes end.And be provided with the groove 23 of when power box 11 keeps flat, being convenient to pick up power box 11 above the slide rail 19.The both sides end face of said cabinet shell 15 is provided with the chute 24 that cooperatively interacts with slide rail 19, and chute 24 rolls with lower sheave 21 with top sheave 20 and is connected.The end that pushes of chute 24 is provided with auxiliary wheel 25, and auxiliary wheel 25 pushes the auxiliary fulcrum of cabinet shell 15 as power box 11.Top sheave 20 and lower sheave 21 contact with the upper and lower groove of chute 24 respectively, and the frictional force that receives in propelling or when pulling out of power box 11 is less, more laborsaving like this.Location pulley 22 offsets with chute 24 ends when power box 11 slides into cabinet shell 15 tops, stops power box 11 to continue to push, and reaches the effect that power box 11 is located.The width of said cabinet shell 15 is 48.26 centimetres, and the width of cabinet shell 15 belongs to 19 inches server installation dimensions of standard, therefore, when mounted, need not to dispose special cabinet in addition and deposits, and conveniently installs and uses.
Referring to Fig. 9-10; Said commutation inversion device 10.2 comprises device box 1; Said device box 1 is provided with five slot 2, indicator light viewing area 1.1 and the switch controlled areas 1.2 that are used for the installation function module; Be provided with the conduction splicing ear in the slot 2, be provided with circuit plate in the trailing flank of device box 1, circuit plate electrically connects with the conduction splicing ear.Be connected with three functional modules on the slot 2, functional module is a cuboid, and said functional module is respectively invert function module 3, rectification function module 4 and observing and controlling functional module 5, and all the other slots are standby functions module 6, and standby functions module 6 is provided with lid 6.1.Be respectively equipped with inverter circuit, rectification circuit and telemetry communication circuit in invert function module 3, rectification function module 4 and the observing and controlling functional module 5, inverter circuit, rectification circuit link to each other with storage battery 17 electricity respectively.The trailing flank of each functional module is provided with conduction butt joint terminal, and conduction butt joint terminal is electrically connecting the output lead of related circuit, and the conduction splicing ear docks terminal with conduction and electrically connects.Wherein, the circuit structure of inverter circuit, rectification circuit, telemetry communication circuit and circuit plate be connected the innovative point that is not among the present invention, repeat no more at this, can be with reference to the technology in traditional commutation inversion device.
Be respectively equipped with radiator 3.1 and radiator 4.1 on said invert function module 3 and the rectification function module 4.Observing and controlling functional module 5 is provided with display screen 5.1 and communication interface 5.2.The width of said device box 1 is 48.26 centimetres, highly is 8.89 centimetres.Device box 1 can be installed on the arbitrary standards server cabinet, and the height and the width of device box 1 are standard size, need not to dispose cabinet in addition and deposits, and conveniently installs and uses.The height of said each functional module is 4.445 centimetres, and the height of each functional module also is the server standard size, can conveniently install.
Referring to Figure 10-13, said each functional module is provided with the snap close accessory, and slot 2 is provided with snap close piece 2.1, snap close accessory and snap close piece 2.1 snap fit.Impel each functional module and slot 2 to closely cooperate, be difficult for displacement, guaranteed conduction butt joint terminal and the electrical contact performance of the conduction splicing ear on the slot 2 on the functional module.Said snap close accessory comprises a dead bolt 8 and a dead bolt locating part 9; Dead bolt 8 is fixedly connected on the functional module side panel through spring; Dead bolt 8 one ends are provided with limited impression 8.1, and the other end is provided with spacing protuberance 8.2, dead bolt locating part 9 and 8.1 spacing cooperations of limited impression.Said snap close piece 2.1 is a through hole, and through hole is arranged on module slot 2 bottoms are installed, and through hole cooperates with spacing protuberance 8.2 plugs.Dead bolt locating part 9 is a pull bar 9.1, and an end of pull bar 9.1 is fixedly connected the other end of pull bar 9.1 and 8.1 spacing cooperations of limited impression through spring with the leading flank of functional module.Said snap close accessory is installed in respectively on the both sides panel of each functional module, and snap close piece 2.1 is equipped with the snap close accessory.
When snap fit; Dead bolt 8 is in released state with snap close piece 2.1 and dead bolt locating part 9; Functional module is inserted in the slot 2, pinned dead bolt 8, the limited impression 8.1 of an end of dead bolt 8 is buckled on the pull bar 9.1; The spacing protuberance 8.2 of the other end plugs together in through hole, just accomplishes the snap fit of slot 2 and functional module.When separation function module and slot 2, stir pull bar 9.1, make pull bar 9.1 break away from limited impression 8.1, this moment, dead bolt 8 can be free movable, separates and accomplish.
Multifunctional all supply unit of the present invention is used for to other assembly power supply on the server cabinet 10, and monitors distribution network systems in real time through power distribution network watch-dog 10.1.When the civil power normal power supply is given power distribution network watch-dog 10.1; Invert function module 3 links to each other with civil power; It is the direct current of 48V that invert function through invert function module 3 makes the inversion of 220V electric main, and invert function module 3 is electrically connected with batteries, with the direct current accumulators group charging of 48V.When power supply trouble appears in civil power; Under observing and controlling functional module 5 controls of commutation inversion device 10.2; Commutation inversion device 10.2 inner completion are automaticallyed switch, and the rectification function module 4 that wherein is electrically connected with batteries makes the batteries discharge down, the direct current of 48V is converted to the AC power of 220V; Give other assembly power supply on power distribution network watch-dog 10.1 and the server cabinet 10, in order to realize the effect of power-off protection.
Claims (10)
1. multifunctional all supply unit; Comprise emergency power supply of forming by a plurality of storage batterys (17) (10.3) and the commutation inversion device (10.2) that is electrically connected with emergency power supply (10.3); Said emergency power supply (10.3) comprises power box (11) and cabinet shell (15), and commutation inversion device (10.2) comprises device box (1), is provided with inverter circuit, rectification circuit and telemetry communication circuit in the device box (1); It is characterized in that
Said power box (11) is provided with the supply socket (12) that is used to be electrically connected storage battery (17), and cabinet shell (15) is provided with the plug (16) that cooperates with supply socket (12) plug, and said power box (11) is slidingly connected with cabinet shell (15);
Said device box (1) is provided with a plurality of slots (2) that are used for the installation function module; Slot is provided with the conduction splicing ear in (2); Said inverter circuit, rectification circuit and telemetry communication circuit are separately positioned in invert function module (3), rectification function module (4) and the observing and controlling functional module (5); Each functional module be provided with functional module in the conduction that is electrically connected of corresponding circuits dock terminal; Said each functional module respectively with slot (2) clamping, the conduction splicing ear docks terminal electric connection with conduction.
2. multifunctional all supply unit according to claim 1; It is characterized in that; Said power box (11) is provided with the detection maintenance interface (13) that is used for Battery Performance Testing, and said detection maintenance interface (13) electrically connects with the both positive and negative polarity of each storage battery (17).
3. multifunctional all supply unit according to claim 1; It is characterized in that; The side that said power box (11) has supply socket (12) is provided with a plurality of supporting pad pin (14), and a side power box (11) relative with supporting pad pin (14) installation side is provided with handle (11.3).
4. multifunctional all supply unit according to claim 1; It is characterized in that; Said power box (11) both sides end face is provided with slide rail (19), and slide rail is equipped with pulley on (19), and said pulley comprises top sheave (20), lower sheave (21) and location pulley (22); Top sheave (20) and lower sheave (21) are fixedly connected on the end that pushes of slide rail (19), and location pulley (22) is fixedly connected on slide rail (19) with respect to the other end that pushes end; Said cabinet shell (15) both sides end face is provided with the chute (24) that cooperatively interacts with slide rail (19), and chute (24) rolls with lower sheave (21) with top sheave (20) and is connected.
5. multifunctional all supply unit according to claim 1 is characterized in that, said emergency power supply (10.3) is in series by the storage battery (17) of four 12V.
6. multifunctional all supply unit according to claim 1 is characterized in that, the width of said device box (1) is 48.26 centimetres, highly is 4.445 centimetres integral multiple, and the width of said cabinet shell (15) is 48.26 centimetres.
7. multifunctional all supply unit according to claim 1 is characterized in that, the height of said functional module is 4.445 centimetres.
8. multifunctional all supply unit according to claim 1 is characterized in that, the both sides panel of said each functional module is provided with the snap close accessory, and the both sides panel of slot (2) is provided with snap close piece (2.1), snap close accessory and snap close piece (2.1) snap fit.
9. multifunctional all supply unit according to claim 8; It is characterized in that said snap close accessory comprises a dead bolt (8) and a dead bolt locating part (9), dead bolt (8) is fixedly connected on the functional module side panel through spring; Dead bolt (8) one ends are provided with limited impression (8.1); The other end is provided with spacing protuberance (8.2), and said dead bolt locating part (9) is a through hole with spacing cooperation of limited impression (8.1), said snap close piece (2.1); Through hole is arranged on slot (2) bottom, and through hole cooperates with spacing protuberance (8.2) plug.
10. multifunctional all supply unit according to claim 9; It is characterized in that; Said dead bolt locating part (9) is a pull bar (9.1), and pull bar (9.1) one ends are fixedly connected the other end of pull bar (9.1) and spacing cooperation of limited impression (8.1) through spring with the leading flank of functional module.
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| CN2011104454828A CN102522797A (en) | 2011-12-28 | 2011-12-28 | Multifunctional integrated power supply device |
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| CN2011104454828A CN102522797A (en) | 2011-12-28 | 2011-12-28 | Multifunctional integrated power supply device |
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| CN103580251A (en) * | 2013-11-05 | 2014-02-12 | 安徽工贸职业技术学院 | Portable power source combined equipment |
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| CN104035043A (en) * | 2014-06-10 | 2014-09-10 | 滁州品之达电器科技有限公司 | Monitoring system for reactive compensation storage battery of power supply system |
| CN104035045A (en) * | 2014-06-10 | 2014-09-10 | 滁州品之达电器科技有限公司 | Power storage battery monitoring system |
| CN104426387A (en) * | 2013-09-06 | 2015-03-18 | 力博特公司 | System and method for frame mountable modular direct current power unit |
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| CN117233557A (en) * | 2023-11-14 | 2023-12-15 | 深圳市耐斯特能源科技有限公司 | Arc fault detection device and method for photovoltaic energy storage inverter |
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Application publication date: 20120627 |