CN216950569U

CN216950569U - Backpack type small gasoline generator special for charging tool

Info

Publication number: CN216950569U
Application number: CN202220673916.3U
Authority: CN
Inventors: 王东海; 孙谦; 刘明明; 杨彬亚; 吴东明; 宋洪磊; 赵长安; 温祥洲
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-12
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a backpack type small gasoline generator special for a charging tool, which relates to the technical field of generators and comprises a backpack frame, wherein the top of the backpack frame is fixedly connected with a gasoline engine, one side of the bottom of the backpack frame is provided with an energy storage filter capacitor, the outer side of the gasoline engine is fixedly connected with a box body, the outer side of the box body is fixedly connected with a battery seat, one side of the outer side of the box body, which is adjacent to the battery seat, is provided with a charging current-limiting resistor, and the inside of the box body is provided with a generator, and the backpack type small gasoline generator has the beneficial effects that: the utility model adopts the gasoline engine as a power source, directly drives the generator to work, charges the battery after rectification and filtration, can continuously provide electric energy for the electric tool under the condition of sufficient fuel, can quickly charge the battery, and provides guarantee for a charging tool used for emergency repair.

Description

Backpack type small gasoline generator special for charging tool

Technical Field

The utility model relates to the technical field of generators, in particular to a backpack type small gasoline generator special for a charging tool.

Background

In the prior art, the rechargeable electric tool has the outstanding advantages of small size, high power and safety, the rechargeable electric tool is powered by a low-voltage battery, tools such as an 18V electric wrench, an angle grinder, a rechargeable drill and the like improve the working efficiency of workers by times, the labor intensity is reduced, the rechargeable tool brings convenience to people, meanwhile, certain short plates exist in the aspect of the battery, the irreversible aging capacity of the battery is greatly reduced along with the increase of the using time of the battery, the recharging is complicated and the like, the original battery equipped for a professional installation team cannot meet the requirement of field construction, the inconvenience is brought to the field emergency repair construction, according to the current situation, the high-power external storage battery can be used for providing electric energy for the electric tool, but the capacity of the storage battery is limited, the weight is relatively large, and the requirement cannot be met in the occasion with high utilization rate, and the charging time is longer.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a backpack type small gasoline generator special for a charging tool, which solves the problems in the background technology.

In order to realize the purpose, the utility model is realized by the following technical scheme: the utility model provides a small-size petrol generator of special backpack of instrument that charges, includes bears the frame, bear the top fixedly connected with petrol engine of frame, one side of bearing the frame bottom is provided with energy storage filter capacitor, petrol engine's outside fixedly connected with box, the outside fixedly connected with battery tray of box, the outside of box is provided with the current-limiting resistance that charges with the adjacent one side of battery tray, the inside of box is provided with the generator, the inside of box and the one side that is located the generator are provided with the fuse, the inside of box and the one side that is located the fuse are provided with the three-phase silicon rectifier bridge, the inside of box and the one side that is located the fuse are provided with the relay.

As a preferable scheme of the utility model, the top of the bearing frame is fixedly connected with a fixing frame with a U-shaped structure, two back belts are sleeved on the outer side of the fixing frame, and the bottoms of the back belts are sleeved on the bottom of the bearing frame.

As a preferable scheme of the utility model, a voltmeter is fixedly mounted at one end of the top of the box body.

As a preferable scheme of the utility model, an output power switch is arranged at one end of the top of the box body, which is far away from the voltmeter.

As a preferable scheme of the utility model, one side of the bottom of the box body is fixedly connected with a lead, one end of the lead, far away from the box body, is fixedly connected with a power output end, and the lead is in a spiral spring type structure.

As a preferred scheme of the present invention, the generator, the three-phase silicon rectifier bridge, the energy storage filter capacitor, the relay, the fuse, and the charging current limiting resistor are all electrically connected to the output power switch.

The utility model provides a backpack type small gasoline generator special for a charging tool, which has the following beneficial effects:

the direct-drive power generator adopts the gasoline engine as a power source, directly drives the power generator to work, charges the battery after rectification and filtration, can continuously provide electric energy for the electric tool under the condition of sufficient fuel, can quickly charge the battery, and provides guarantee for a charging tool used for emergency repair.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the case according to the present invention;

FIG. 3 is a schematic diagram of the internal circuit of the present invention;

fig. 4 is a schematic view of a conductive line structure according to the present invention.

In the figure: 1. a backpack frame; 2. a gasoline engine; 3. a battery holder; 4. a box body; 5. a generator; 6. a three-phase silicon rectifier bridge; 7. an energy storage filter capacitor; 8. a relay; 9. a fuse; 10. charging a current limiting resistor; 11. a fixed mount; 12. a back strap; 13. a voltmeter; 14. an output power switch; 15. a wire; 16. and a power supply output terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a backpack type small gasoline generator special for a charging tool comprises a backpack frame 1, wherein the backpack frame 1 is of an L-shaped structure, and meanwhile, equipment is conveniently fixed and installed and is convenient to use when the equipment works high above the ground; one side of the bottom of the backpack frame 1 is provided with an energy storage filter capacitor 7, the top of the backpack frame 1 is fixedly connected with a gasoline engine 2, and the gasoline engine 2 uses a Honda gx35 four-stroke gasoline engine which has the advantages of small volume, light weight, large output power, high noise, stable performance and the like; the outer side of the gasoline engine 2 is fixedly connected with a box body 4, the outer side of the box body 4 is fixedly connected with a battery seat 3, and the battery seat 3 is convenient for charging an external battery for use; the outer side of the box body 4 and one side adjacent to the battery holder 3 are provided with a charging current-limiting resistor 10, the inside of the box body 4 is provided with a generator 5, in order to further reduce the volume and reduce the weight, the generator 5 is modified by a 250 motorcycle transition magneto, a coupler is processed to enable an output shaft of the gasoline engine 2 to directly drive a permanent magnet of the magneto to rotate, a stator coil is modified into star connection due to small three-phase rectification ripple waves, three-phase silicon rectification is changed into direct current 20.5V, the waveform is filtered and smoothed by an 10000/160v electrolytic capacitor so as to improve the load capacity of a power supply, and simultaneously, the battery holder 3 and a charging tool battery are connected in parallel, so that the battery can be charged, and the voltage can be stabilized; the internal part of the box body 4 and one side of the generator 5 are provided with a fuse 9, the internal part of the box body 4 and one side of the fuse 9 are provided with a three-phase silicon rectifier bridge 6, the internal part of the box body 4 and one side of the fuse 9 are provided with relays 8, the relays 8 are all 30A relays, and the attraction voltage is provided by a battery, so that the power supply does not output power supply when the battery is not available, and the electric tool is prevented from being damaged due to the fact that the no-load voltage of the generator 5 is too high, and meanwhile, when the device is singly charged and used, the charging current 8A can be fully charged in 0.5 hour for the (4.0AH) battery, and the device can be used for other 12-24 volt charging tools such as charging hydraulic clamps and other brand charging tools and the like by further modifying the output interface and adjusting the rotating speed of the gasoline engine 2.

Further, the top of the backpack frame 1 is fixedly connected with a fixing frame 11 of a U-shaped structure, two backpack belts 12 are sleeved on the outer side of the fixing frame 11, the bottom of the backpack belts 12 is sleeved on the bottom of the backpack frame 1, and through the matching between the fixing frame 11 and the backpack belts 12, the backpack frame is convenient for better carrying equipment for use, and further the use portability of the equipment is improved.

Furthermore, one end fixed mounting at the top of box 4 has voltmeter 13, through setting up voltmeter 13, is convenient for better show the output voltage of equipment.

Furthermore, one end of the top of the box body 4, which is far away from the voltmeter 13, is provided with an output power switch 14, and by arranging the output power switch 14, better control equipment can conveniently perform power output operation.

Further, one side fixedly connected with wire 15 of box 4 bottom, box 4's one end fixedly connected with power output 16 is kept away from to wire 15, and wire 15 sets up to coil spring formula structure, through wire 15 and power output 16, is convenient for better for other equipment power supplies use, simultaneously through wire 15 who sets up coil spring formula structure for wire 15 can extend and use, avoids the winding simultaneously, thereby the result of use of further increase equipment.

Furthermore, the generator 5, the three-phase silicon rectifier bridge 6, the energy storage filter capacitor 7, the relay 8, the fuse 9 and the charging current limiting resistor 10 are electrically connected with the output power switch 14, and the power on/off of the equipment can be better controlled through the output power switch 14.

In summary, when the backpack type small gasoline generator special for the charging tool is actually used, the gasoline engine 2 is used as a power source to directly drive the generator 5 to work, meanwhile, the generator 5 is modified by a 250 motorcycle transition magneto, a coupling is processed to enable an output shaft of the gasoline engine 2 to directly drive a permanent magnet of the magneto to rotate, a stator coil is converted into star connection due to small three-phase rectification ripples, three-phase silicon is rectified into direct current of 20.5 volts, the waveform is filtered and smoothed by an 10000/160v electrolytic capacitor to improve the loading capacity of the power supply, and simultaneously, for further stabilizing the voltage, the battery holder 3 is connected with a battery of the charging tool in parallel, so that the battery can be charged, the voltage can be stabilized, the current generated by the work of the generator 5 is rectified and filtered to charge the battery, and meanwhile, electric energy can be continuously provided for an external electric tool, in addition, the charging device can also be used for rapidly charging the battery, a guarantee is provided for a charging tool used for emergency repair, and meanwhile, when the device is used for charging alone, the charging current is 8A, the (4.0AH) battery can be fully charged within 0.5 hour, and the device can also be used for other 12-24 volt charging tools such as charging hydraulic tongs and other brand charging tools by further modifying an output interface and adjusting the rotating speed of the gasoline engine 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a small-size petrol generator of special backpack of instrument that charges, includes backpack frame (1), its characterized in that: bear top fixedly connected with petrol engine (2) of frame (1), bear one side of frame (1) bottom and be provided with energy storage filter capacitor (7), outside fixedly connected with box (4) of petrol engine (2), outside fixedly connected with battery holder (3) of box (4), the outside of box (4) is provided with charging current-limiting resistor (10) with one side that battery holder (3) are adjacent, the inside of box (4) is provided with generator (5), the inside of box (4) and the one side that is located generator (5) are provided with fuse (9), the inside of box (4) and the one side that is located fuse (9) are provided with three-phase silicon rectifier bridge (6), the inside of box (4) and the one side that is located fuse (9) are provided with relay (8).

2. The backpack type small gasoline generator special for the charging tool as claimed in claim 1, wherein: bear mount (11) of the top fixedly connected with U type structure of frame (1), the outside cover of mount (11) is equipped with two back of the body and bears area (12), the bottom of bearing area (12) is all established in the bottom of bearing frame (1).

3. The backpack type small gasoline generator special for the charging tool as claimed in claim 1, wherein: and a voltmeter (13) is fixedly arranged at one end of the top of the box body (4).

4. The backpack type small gasoline generator special for the charging tool as claimed in claim 3, characterized in that: and an output power switch (14) is arranged at one end of the top of the box body (4) far away from the voltmeter (13).

5. The backpack type small gasoline generator special for the charging tool as claimed in claim 1, wherein: one side fixedly connected with wire (15) of box (4) bottom, the one end fixedly connected with power output end (16) of box (4) are kept away from to wire (15), wire (15) set up to coil spring formula structure.

6. The backpack type small gasoline generator special for the charging tool as claimed in claim 4, wherein: the generator (5), the three-phase silicon rectifier bridge (6), the energy storage filter capacitor (7), the relay (8), the fuse (9) and the charging current limiting resistor (10) are all electrically connected with the output power switch (14).