CN211981533U

CN211981533U - Portable alternating current-direct current portable power source

Info

Publication number: CN211981533U
Application number: CN202020584624.3U
Authority: CN
Inventors: 陈伟
Original assignee: Shenzhen Ruiyi Technology Co ltd
Current assignee: Shenzhen Ruiyi Technology Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-11-20
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a portable alternating current-direct current portable power source, including last casing, lower casing and charger, it is fixed through the case lock to go up between casing and the lower casing, and one side of lower casing is equipped with the side handle, and the one end of lower casing is equipped with flexible pull rod, be equipped with group battery, BMS in proper order between the lower casing and the 24VAC220V dc-to-AC converter, the group battery is protected board and 24VAC220V dc-to-AC converter electricity with BMS respectively and is connected, and the internal fan that is used for the radiating that is equipped with of inferior valve, be equipped with the AC switch, the hole of charging, status display, USB jack and the pilot lamp of 220V delivery outlet, AC display, control AC display on the lateral wall. The portable lithium ion battery has a safe lithium ion battery and an inversion conversion technology, is light in weight, high in capacity and high in power, integrates multiple functions, is convenient to pull and carry, and can provide a convenient portable power supply for use; the jack variety is various, has increased application scope, has solved current portable power source and has carried inconvenient, the problem of function singleness.

Description

Portable alternating current-direct current portable power source

Technical Field

The utility model relates to a portable power source technical field specifically is a portable alternating current-direct current portable power source.

Background

In emergency communication, power rush-repair, medical equipment, exploration surveying and mapping, military, fire control and disaster relief and other occasions and in wide power-shortage areas and the like, power supply is inconvenient, some digital electronic products similar to a notebook need to be charged for continuous work, and the mobile power supply can be used for relieving the urgent need, so that convenience is brought to work and life.

The existing mobile power supply is small in capacity, large in size and heavy, and only can provide a direct current or alternating current charging mode, so that an alternating current and direct current mobile power supply which is convenient to carry and multifunctional is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable AC/DC mobile power supply, which has the advantages of safe lithium ion battery and inversion conversion technology, light weight, high capacity, large power, multiple functions, convenient dragging and carrying, and convenient use; the portable AC/DC power supply has strong power, large battery capacity and convenient carrying of the draw-bar box design, can be applied to a series of occasions such as emergency communication, power rush-repair, medical equipment, exploration surveying and mapping, military, fire control and disaster relief, and wide areas with power shortage, and is more convenient to use and carry; the jack variety is various, has increased application scope, has solved current portable power source and has carried inconvenient, the problem of function singleness.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a portable alternating current-direct current portable power source, includes casing, lower casing and charger, it is fixed through the case lock to go up between casing and the lower casing, and one side of casing is equipped with the side handle down, and the one end of casing is equipped with flexible pull rod down, be equipped with group battery, BMS in proper order from bottom to top in the lower casing and protect board and 24VAC220V dc-to-AC converter, the group battery is protected board and 24VAC220V dc-to-AC converter electricity with BMS respectively and is connected, is equipped with in the lower casing and is used for radiating fan, be equipped with 220V delivery outlet, AC display, control AC display's AC switch, charging hole, status display, USB jack and pilot lamp on.

Preferably, the USB jack output is 5V 2A.

Preferably, the 220V output port comprises a three-head jack and a two-plug jack.

Preferably, the charging hole is a direct current charging hole, the charging voltage is DC29.4V, and the maximum charging current is 40A.

Preferably, a vehicle-mounted cigarette lighter interface, a DC output interface, a 12V output interface, a 36V output interface, a 48V output interface, and a 232 or 485 communication interface are arranged on the side wall of the lower shell.

Preferably, the charging mode of the charger is a constant current first and then constant voltage CA/CV mode.

Preferably, the battery pack adopts an LG battery cell, and the model is as follows: n2.1, monomer 3.7V60AH, adopt 4 and 7 25.9V240AH batteries of cluster.

Preferably, the battery pack is fixed to the bottommost portion of the lower case by a welder and a battery-dedicated silicone.

Preferably, the bottom of the BMS board is fixed right above the battery pack by a double-sided adhesive tape special for the battery.

Preferably, the 24VAC220V inverter is bolted directly above the BMS board.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has the advantages of safe lithium ion battery and inversion conversion technology, light weight, high capacity and high power, integrates multiple functions, is convenient to pull and carry, and can provide a convenient mobile power supply for use; the portable AC/DC power supply has strong power, large battery capacity and convenient carrying of the draw-bar box design, can be applied to a series of occasions such as emergency communication, power rush-repair, medical equipment, exploration surveying and mapping, military, fire control and disaster relief, and wide areas with power shortage, and is more convenient to use and carry; the jack variety is various, has increased application scope, has solved current portable power source and has carried inconvenient, the problem of function singleness.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the end face structure of the present invention.

In the figure: 1-an upper shell; 2-a lower shell; 201-side handle; 202-case lock; 203-a telescopic pull rod; 3-220V output port; a 4-AC display; 5-a charge hole; 6-a status display; 7-USB jack; an 8-AC switch; 9-an indicator light; 10-a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-2, a portable AC/dc mobile power supply comprises an upper casing 1, a lower casing 2 and a charger, wherein the upper casing 1 and the lower casing 2 are fixed by a box lock 202, one side of the lower casing 2 is provided with a side handle 201, one end of the lower casing 2 is provided with a telescopic pull rod 203, a battery pack, a BMS protection board and a 24VAC220V inverter are sequentially arranged in the lower casing 2 from bottom to top, the battery pack is respectively and electrically connected with the BMS protection board and the 24VAC220V inverter, a fan 10 for heat dissipation is arranged in the lower casing 2, and a 220V output port 3, an AC display 4, an AC switch 8 for controlling the AC display 4, a charging hole 5, a state display 6, a USB jack 7 and an indicator lamp 9 are arranged on the side wall of the lower casing 2.

Further explanation on the internal wiring of the mobile power supply:

a first layer: at the bottom of the lower case 2 is a battery pack, which is a korean LG core, model: n2.1, the monomer is 3.7V60AH, we adopt 4 to 7 strings, make 25.9V240AH group battery, the energy density is: 6216WH, adopt welding and special battery silica gel fixed at the bottommost of lower casing 2, the positive pole of group battery goes out three groups line, and the first group is to the hole 51 foot positive pole that charges, adopts the welding mode to fix. The second group is fixed to the 1-pin positive pole of the battery power display in a welding mode, the third group is connected to the positive pole of the 220V inverter in an Anderson quick plug connection mode, a group of wires are led out from the negative pole of the BMS protection board of the battery, the negative pole of the BMS protection board is directly welded to the B-port of the BMS, and the battery pack is fixed to the BMS protection board in a row plug mode by leading out a group of wires in a 7-string scheme.

A second layer: the BMS protection board directly above the battery has the main functions of protecting the battery pack from overcharge, overdischarge, short circuit, reverse connection, over-temperature protection, equalizing charge and the like, the wiring mode is that a B-port directly reaches the negative pole of the battery pack and is connected in a welding mode, 7 strings of battery pack winding displacement are directly inserted, the corresponding winding displacement socket of the BMS board monitors the working state of each battery cell, the C-port of the BMS protection is connected with three groups of wires, and the first group is fixed to the negative pole of 52 feet of a charging hole in a welding mode. The second group is fixed to the 2-pin negative electrode of the battery power display in a welding mode, the third group is connected to the negative electrode of the 220V inverter through an Anderson quick plug, and the bottom of the BMS board is fixed right above the battery pack through a double faced adhesive tape special for the battery.

The third layer is a 24VAC220V inverter, which is directly fixed on the BMS and is locked directly above the BMS board by screws, the inverter can be made into domestic 220V50HZ and can also be made into 110V60HZ, the power can last 1000W, 2000W, 3000W and other multiple output powers, the outside adopts switch control, the inverter is provided with a power output monitoring meter, a temperature control automatic cooling system and ensures the continuous operation of equipment, the 220V output plugs are 2, the whole body has overload, short circuit, temperature protection, undervoltage, overvoltage, reverse connection, low-voltage alarm and other safety protection functions, and the device can be mainly applied to a series of occasions such as emergency communication, electric power rush repair, medical equipment, exploration surveying and mapping, military, fire protection and the like, and wide areas with power shortage and the like.

The fourth layer is outmost, wholly adopts industrial grade ABS material, and high strength material atress 60KG is indeformable, 220V delivery outlet, the hole of charging 5, and the electric quantity display all adopts back formula nut lock on the box, and the box area is scalable pull rod 203 and gyro wheel, makes things convenient for complete machine quick travel, and it possesses safe lithium ion battery and contravariant conversion technology, and its light in weight, capacity are high, power is big, collects multiple functions.

Wherein, the AC display 4: the internal voltage of the battery, the current output Hertz and the output voltage are mainly displayed, and the actual power output state is monitored, so that a client can know the working state of the mobile power supply more clearly and intuitively.

The USB jack 7: is 5V2A, can charge a mobile phone and a tablet computer, can be directly used under the state of not starting 220V, and is compatible with 99 percent of electronic equipment on the market.

The AC switch 8: when the switch is pressed down, the blue indicator light 9 and the AC display 4 are on, the function of the battery inverter is started, the display can automatically display the current Hertz and the output voltage, the switch is closed, the blue indicator light 9 and the AC display 4 are off, and the AC output end has no output.

The indicator light 9: the normal working mode is that the blue light is normally on, the AC outputs normally, the red light flashes and the alarm sounds to be the alarm mode, and the problem can be solved by referring to the operation and the attention of the AC power supply.

220V outlet 3: the AC output port adopts a multifunctional AC socket, supports three-plug plugs and two-plug plugs of the national standard, and also supports national plugs of the English standard, the European standard and the like. The output voltage is 220V50Hz pure sine wave alternating current, and the export of Japan and American markets and the like can order 110V and 60Hz output.

The telescopic link 203: the pull rod has a telescopic function, the wheels are made of high-strength elastic plastic, the shock absorption of the box body is maximized, and the pull rod is prevented from being used on a bumpy road surface as far as possible for protecting the reliability of a power supply, so that the internal devices are prevented from being damaged due to vibration.

Charging port: the charging voltage is DC29.4V, the maximum current is 40A (charger with more than 40A can not be used), the interface can also be used as a 24V discharging hole (19.6V-29.4V), the short circuit and reverse connection protection are provided, and the discharging current is limited in that: 40A, in wire order (1 positive, 2 negative).

The status display 6: but the current electric quantity of real-time digital display battery, voltage, and the inside temperature of battery can also realize battery low pressure alarming function, if the customer forgets to close the display and can be at 30 seconds self-closing function, the circular key is the display on-off key above, and the triangle key is voltage and temperature switching key, and this configuration lets the very audio-visual and convenient understanding battery internal conditions of customer.

The fan 10: when the internal temperature of the power supply rises, the heat dissipation fan 10 automatically starts to operate. When the internal temperature of the power supply drops, the fan 10 stops operating. The starting temperature point of the fan 10 is 45 degrees, and the stopping temperature point of the fan 10 is 30 degrees.

The following can be added to the lower casing 2 of the mobile power supply: a series of interface schemes such as a vehicle-mounted cigarette lighter interface, a USB interface, a DC output interface, a 12V output, a 36V output, a 48V output and a 232 or 485 communication interface.

The charger, an ac charger, may charge an ac or dc power source through a mains outlet. The standard of the plug can be adjusted according to different exported countries, and the default delivery in China is 3-plug in national standard. The charging mode CA/CV is a constant-current-first-then-constant-voltage mode, the charging current is 30A, and the input voltage is selected from 100-130V, 200-240V and 50/60 Hz.

The operation sequence is as follows:

step 1: clicking a switch of the state display 6 to check the residual electric quantity, the voltage and the internal temperature condition of the battery;

step 2: checking the working voltage, frequency and power of the load;

and step 3: confirm the load power and ensure that it does not exceed the rating of the RY-220V3000W250AH power supply.

And 4, step 4: the AC switch 8 is pressed down, the work indicator lamp 9 and the blue lamp are started and normally on, the AC display 4 displays the internal voltage of the battery, the current output Hertz, the output voltage and the power display are 0W, and the starting is finished.

And 5: load equipment is connected to an AC220V output port 3, the equipment is started to be normally used, and the output power state can be known in real time through an AC display 4 in the using process, so that a user can use the equipment with ease.

Step 6: after the power supply is used, the AC switch 8 key is pressed to turn off the AC output of the power supply.

And 7: if the electric quantity of the power supply is used up or the electric quantity is lower at the moment, the mobile power supply is required to be charged in time, and the mobile power supply is convenient to use next time.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a portable alternating current-direct current portable power source which characterized in that: including last casing, lower casing and charger, it is fixed through the case lock to go up between casing and the lower casing, and one side of casing is equipped with the side handle down, and the one end of casing is equipped with flexible pull rod down, be equipped with group battery, BMS in proper order from bottom to top and protect board and 24VAC220V dc-to-AC converter down, the group battery is protected board and 24VAC220V dc-to-AC converter electricity with BMS respectively and is connected, and the internal fan that is used for the radiating that is equipped with of lower casing, be equipped with 220V delivery outlet, AC display, control AC display's AC switch, charging hole, status display, USB jack and pilot lamp on the lateral wall of casing down.

2. The portable ac/dc mobile power supply of claim 1, wherein: the USB jack output is 5V 2A.

3. The portable ac/dc mobile power supply of claim 1, wherein: the 220V output port comprises a three-head jack and a two-plug jack.

4. The portable ac/dc mobile power supply of claim 1, wherein: the charging hole is a direct-current charging hole, the charging voltage is DC29.4V, and the maximum charging current is 40A.

5. The portable ac/dc mobile power supply of claim 1, wherein: and the side wall of the lower shell is provided with a vehicle-mounted cigarette lighter interface, a DC output interface, a 12V output interface, a 36V output interface, a 48V output interface, and a 232 or 485 communication interface.

6. The portable ac/dc mobile power supply of claim 1, wherein: the charging mode of the charger is a constant current first constant current then constant voltage mode of CA/CV.

7. The portable ac/dc mobile power supply of claim 1, wherein: the battery pack adopts an LG electric core, and the model is as follows: n2.1, monomer 3.7V60AH, adopt 4 and 7 25.9V240AH batteries of cluster.

8. The portable ac/dc mobile power supply of claim 1, wherein: the battery pack is fixed at the bottommost part of the lower shell through a welding machine and special silica gel for the battery.

9. The portable ac/dc mobile power supply of claim 1, wherein: the bottom of the BMS board is fixed right above the battery pack by a double faced adhesive tape special for the battery.

10. The portable ac/dc mobile power supply of claim 1, wherein: the 24VAC220V inverter is screwed directly above the BMS board.