CN210123907U - Power supply system of motor home - Google Patents
Power supply system of motor home Download PDFInfo
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- CN210123907U CN210123907U CN201921044099.XU CN201921044099U CN210123907U CN 210123907 U CN210123907 U CN 210123907U CN 201921044099 U CN201921044099 U CN 201921044099U CN 210123907 U CN210123907 U CN 210123907U
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Abstract
The utility model relates to a power supply system of a motor home, which comprises a double-power automatic transfer switch, a charging inversion integrated machine, a 220V alternating current load, a general direct current load and an emergency direct current load, wherein two input ends of the double-power automatic transfer switch are respectively connected with a 220V generator and a commercial power input end, wherein a leakage protector is arranged between the commercial power input end and the double-power automatic transfer switch, the output end of the double-power automatic transfer switch is connected with the input end of the charging and inverting integrated machine, the charging and inverting integrated machine comprises a 220V alternating current output end, and is connected with a 220V alternating current load through a 220V alternating current output end, the charging inversion all-in-one machine also comprises a direct current end, the direct current end of the battery pack is connected with a battery pack, and the positive output end of the battery pack comprises two branches which are respectively subjected to voltage reduction and output through a DC-DC converter and are connected with a general direct current load and an emergency direct current load; the utility model discloses can charge fast in campsite and driving a vehicle, the reserve energy improves the efficiency of dc-to-ac converter, satisfies the power consumption needs.
Description
Technical Field
The invention relates to the technical field of power distribution systems of motor homes, in particular to a power supply system of a motor home.
Background
With the improvement of living standard of people, the motor home is more and more popular as a tourism vehicle, and the motor home is characterized by being a combination of a vehicle and a home which integrates multiple functions; however, the current camp quantity and facilities cannot meet the requirements of vast motor home users, how to reserve more energy for the motor home, how to charge the motor home quickly and in camp and driving processes, and how to improve the efficiency of the inverter to maximize the inverter to serve for outgoing are problems to be solved urgently.
Disclosure of Invention
The utility model provides a power supply system of car as a house can be in camp and driving quick charge, and the reserve energy improves the efficiency of dc-to-ac converter, satisfies the power consumption needs, and the technical problem that solve is the car as a house among the prior art, because camp quantity and facility still can not satisfy vast car as a house user's demand far away at present.
In order to solve the technical problem, the utility model discloses a following technical scheme: a power supply system of a motor home comprises a dual-power automatic transfer switch, a charging inversion all-in-one machine, a 220V alternating current load, a general direct current load and an emergency direct current load, wherein two input ends of the dual-power automatic transfer switch are respectively connected with a 220V generator and a mains input end, a leakage protector is arranged between the mains input end and the dual-power automatic transfer switch, an output end of the dual-power automatic transfer switch is connected with an input end of the charging inversion all-in-one machine, the charging inversion all-in-one machine comprises a 220V alternating current output end and is connected with the 220V alternating current load through the 220V alternating current output end, the charging inversion all-in-one machine also comprises a direct current end and is connected with a battery pack through the direct current end, an anode output end of the battery pack comprises two branches which are respectively, the controlled branch is connected with the DC-DC converter, the direct-current voltage is reduced and is connected with a general direct-current load through a controlled output end on the DC-DC converter, the constant-current branch is connected with the DC-DC converter, the direct-current voltage is reduced and is connected with an emergency direct-current load through a constant-current output end on the DC-DC converter.
Preferably, the battery pack is a lithium battery equipped with a BMS protection board.
Preferably, the 220V generator is connected with an engine of the vehicle body, and the 220V generator is driven by the engine of the vehicle body to generate electricity.
Preferably, the specification of the battery pack is 48V, and the specification of the DC-DC converter is 48V to 12V.
Preferably, the 220V ac load comprises a 220V outlet.
Preferably, the general direct current load comprises an atmosphere lamp, a vehicle-mounted television and a USB socket, and the emergency direct current load comprises a vehicle-mounted refrigerator and an emergency lamp.
Compared with the prior art, the utility model discloses a dual supply automatic transfer switch can be in campsite through commercial power input end for the group battery quick charge and for the power supply of 220V alternating current load, through the 220V generator quick charge for the group battery in the driving process, and for the power supply of 220V alternating current load, the group battery after the charging can be for general direct current load and emergent direct current load power supply, when there is not commercial power and the 220V generator is inoperative, the group battery discharges through the contravariant all-in-one that charges, can be for the power supply of 220V alternating current load, the efficiency of dc-to-ac converter has been improved on the whole, satisfy the power consumption needs; the battery pack in the utility model is a lithium battery equipped with a BMS protection board, which can protect the circuit of the battery pack and prevent the battery pack from being overcharged and overdischarged; the 220V generator is connected with the engine of the automobile, the automobile engine drives the 220V generator to generate electricity, energy is provided by automobile kinetic energy, the speed is high, the efficiency is high, a solar panel can be added, and a mode of combining kinetic energy and solar energy is adopted; the specification of the battery pack in the utility model is 48V, the specification of the DC-DC converter is 48V-12V, which meets the general requirements, the specification of the battery pack can also be 36V, 60V, 72V and other common specifications, and correspondingly, the specification of the DC-DC converter is matched with the battery pack; the 220V alternating current load of the utility model comprises a 220V socket, which can provide power supply for the 220V socket in the vehicle body and use 220V electric appliances in the vehicle body; the utility model discloses well general direct current load includes atmosphere lamp, vehicle mounted television, USB socket, provides atmosphere lamp illumination and vehicle mounted television function, and provides USB socket, also can add other like general direct current loads such as air discharge fan, satellite receiver, emergent direct current load includes vehicle-mounted refrigerator and emergency light, provides uninterrupted power supply for vehicle-mounted refrigerator and emergency light.
Drawings
FIG. 1 is a schematic diagram of the present invention;
in the figure: 1. the system comprises a dual-power automatic transfer switch 2, a charging and inverting integrated machine 3, a 220V generator 4, a mains supply input end 5, a leakage protector 6, a 220V alternating current load 61, a 220V socket 7, a battery pack 71, a BMS protection board 8, a controlled switch 9, a DC-DC converter 10, a general direct current load 101, an atmosphere lamp 102, a vehicle-mounted television 103, a USB socket 11, an emergency direct current load 111, a vehicle-mounted refrigerator 112 and an emergency lamp.
Detailed Description
Example (b): as shown in fig. 1, a power supply system for a motor home comprises a dual-power automatic transfer switch 1, a charging inversion all-in-one machine 2, a 220V ac load 6, a general dc load 10, and an emergency dc load 11, wherein two input ends of the dual-power automatic transfer switch 1 are respectively connected to a 220V generator 3 and a mains input end 4, a leakage protector 5 is arranged between the mains input end 4 and the dual-power automatic transfer switch 1, an output end of the dual-power automatic transfer switch 1 is connected to an input end of the charging inversion all-in-one machine 2, the charging inversion all-in-one machine 2 comprises a 220V ac output end and is connected to the 220V ac load 6 through the 220V ac output end, the charging inversion all-in-one machine 2 further comprises a dc end and is connected to a battery pack 7 through the dc end, an anode output end of the battery pack 7 comprises two branches, the controlled branch is provided with a controlled switch 8, the controlled branch is connected with a DC-DC converter 9, the DC voltage is reduced and is connected with a general DC load 10 through a controlled output end on the DC-DC converter 9, a normal electric branch is connected with the DC-DC converter 9, the DC voltage is reduced and is connected with an emergency DC load 11 through a normal electric output end on the DC-DC converter 9; preferably, the battery pack 7 is a lithium battery equipped with a BMS protection plate 71; preferably, the 220V generator 3 is connected with an engine of the vehicle body, and the 220V generator 3 is driven by the engine of the vehicle body to generate electricity; preferably, the specification of the battery pack 7 is 48V, and the specification of the DC-DC converter 9 is 48V-12V; preferably, the 220V ac load 6 comprises a 220V socket 61; preferably, the general dc load 10 includes an atmosphere lamp 101, a vehicle television 102, and a USB socket 103, and the emergency dc load 11 includes a vehicle refrigerator 111 and an emergency lamp 112.
The utility model discloses a theory of operation does: when commercial power or a 220V generator 3 works, an alternating current input end and an alternating current output end of the charging inversion all-in-one machine 2 are connected internally, an internal charger is started to charge the battery pack 7 and provide power for the 220V alternating current load 6, the output end of the battery pack 7 is reduced in voltage through a DC-DC converter 9 to supply power for a general direct current load 10 and an emergency direct current load 11, a normal power output end connected with the emergency direct current load 11 is kept in an uninterruptible state, and a controlled output end connected with the general direct current load 10 is controlled by a controlled switch 8;
when the 220V generator 3 does not work and is not externally connected with a mains supply, the charging and inverting all-in-one machine 2 is turned on at the moment, the battery pack 7 discharges to supply power for the 220V alternating current load 6 and also can step down the voltage to supply power for the direct current load through the DC-DC converter 9, the normal power output end connected with the emergency direct current load 11 is kept in an uninterruptible state, and the controlled output end connected with the general direct current load 10 is controlled by the controlled switch 8;
wherein, the general dc load 10 refers to general electrical appliances such as an atmosphere lamp 101, a vehicle-mounted television 102, an exhaust fan, a USB socket 103, a satellite receiver, etc., and the emergency dc load 11 refers to electrical appliances requiring uninterrupted power supply such as a vehicle-mounted refrigerator 111, an emergency lamp 112, etc.;
in the implementation of the embodiment: the utility model discloses include following 4 kinds of states at the during operation:
in the driving process, a 220V generator 3 works, when no external commercial power is available, the generator end and the output end of a dual-power automatic transfer switch 1 are conducted, the alternating current input end and the alternating current output end of a charging and inverting integrated machine 2 are conducted, a battery pack 7 is charged, and a 220V alternating current load 6, a general direct current load 10 and an emergency direct current load 11 can be normally used;
when the vehicle body is static, the 220V generator 3 does not work, and when the external commercial power exists, the commercial power end and the output end of the dual-power automatic transfer switch 1 are conducted, the alternating current input end and the alternating current output end of the charging and inverting integrated machine 2 are conducted, the battery pack 7 is charged, and at the moment, the 220V alternating current load 6, the general direct current load 10 and the emergency direct current load 11 can be normally used;
in the running process, the 220V generator 3 works, when the external commercial power exists, the dual-power automatic transfer switch 1 automatically disconnects the 220V generator 3, the commercial power end is connected, the alternating current input end and the alternating current output end of the charging and inverting integrated machine 2 are internally conducted, the battery pack 7 is charged, and at the moment, the 220V alternating current load 6, the general direct current load 10 and the emergency direct current load 11 can be normally used;
the automobile body is static, and the 220V generator is out of work, and when not having external commercial power, opens the contravariant all-in-one that charges 2, at this moment, can normally use 220V alternating current load 6, general direct current load 10, emergent direct current load 11.
In the technical scheme: the utility model discloses a dual supply automatic transfer switch 1 can be in the campsite through commercial power input 4 for the group battery 7 quick charge and for the power supply of 220V AC load 6, through 220V generator 3 for the group battery quick charge in the driving process, and for the power supply of 220V AC load 6, the group battery 7 after charging can be for general DC load 10 and emergent DC load 11 power supply, when there is not commercial power and 220V generator 3 inoperative, the group battery 7 discharges through the contravariant all-in-one that charges 2, can be for the power supply of 220V AC load 6, the efficiency of dc-to-ac converter has been improved on the whole, satisfy the power consumption needs; in the utility model, the battery pack 7 is a lithium battery equipped with a BMS protection board 71, which can protect the circuit of the battery pack 7 and prevent the battery pack 7 from being overcharged and overdischarged; in the utility model, the 220V generator 3 is connected with the engine of the automobile, the automobile engine drives the 220V generator 3 to generate electricity, energy is provided by automobile kinetic energy, the operation is fast and efficient, a solar panel can be added, and a mode of combining kinetic energy and solar energy is adopted; in the utility model, the specification of the battery pack 7 is 48V, the specification of the DC-DC converter is 48V to 12V, which meets general requirements, the specification of the battery pack 7 can also be 36V, 60V, 72V and other common specifications, and correspondingly, the specification of the DC-DC converter 9 is matched with the battery pack 7; the 220V alternating current load 6 of the utility model comprises a 220V socket 61, which can provide power supply for the 220V socket 61 in the vehicle body and use 220V electric appliances in the vehicle body; the utility model discloses well general direct current load includes atmosphere lamp 101, vehicle mounted television 102, USB socket 103, provides atmosphere lamp 101 illumination and vehicle mounted television 102 function, and provides USB socket 103, also can join other general direct current load 10 such as air discharge fan, satellite receiver, and emergent direct current load 11 includes vehicle mounted refrigerator 111 and emergency light 112, provides uninterrupted power supply for vehicle mounted refrigerator 111 and emergency light 112.
Claims (6)
1. A power supply system of a motor home is characterized in that: the charging and inverting integrated machine comprises a double-power-supply automatic transfer switch (1), a charging and inverting integrated machine (2), a 220V alternating-current load (6), a general direct-current load (10) and an emergency direct-current load (11), wherein two input ends of the double-power-supply automatic transfer switch (1) are respectively connected with a 220V generator (3) and a mains supply input end (4), a leakage protector (5) is arranged between the mains supply input end (4) and the double-power-supply automatic transfer switch (1), an output end of the double-power-supply automatic transfer switch (1) is connected with an input end of the charging and inverting integrated machine (2), the charging and inverting integrated machine (2) comprises a 220V alternating-current output end and is connected with the 220V alternating-current load (6) through the 220V alternating-current output end, the charging and inverting integrated machine (2) further comprises a direct-current end and is connected with, the emergency direct-current power supply system comprises a controlled branch and a normal-current branch, wherein a controlled switch (8) is arranged on the controlled branch, the controlled branch is connected with a DC-DC converter (9), the direct-current voltage is reduced and is connected with a general direct-current load (10) through a controlled output end on the DC-DC converter (9), the normal-current branch is connected with the DC-DC converter (9), the direct-current voltage is reduced and is connected with an emergency direct-current load (11) through a normal-current output end on the DC-DC converter (9).
2. The power supply system for a motor home according to claim 1, wherein: the battery pack (7) is a lithium battery equipped with a BMS protection board (71).
3. The power supply system for a motor home according to claim 1, wherein: the 220V generator (3) is connected with an engine of the vehicle body, and the 220V generator (3) is driven by the engine of the vehicle body to generate electricity.
4. The power supply system for a motor home according to claim 1, wherein: the specification of the battery pack (7) is 48V, and the specification of the DC-DC converter (9) is 48V-12V.
5. The power supply system for a motor home according to claim 1, wherein: the 220V alternating current load (6) comprises a 220V socket (61).
6. The power supply system for a motor home according to claim 1, wherein: the general direct current load (10) comprises an atmosphere lamp (101), a vehicle-mounted television (102) and a USB socket (103), and the emergency direct current load (11) comprises a vehicle-mounted refrigerator (111) and an emergency lamp (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044099.XU CN210123907U (en) | 2019-07-05 | 2019-07-05 | Power supply system of motor home |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044099.XU CN210123907U (en) | 2019-07-05 | 2019-07-05 | Power supply system of motor home |
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| Publication Number | Publication Date |
|---|---|
| CN210123907U true CN210123907U (en) | 2020-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921044099.XU Active CN210123907U (en) | 2019-07-05 | 2019-07-05 | Power supply system of motor home |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157003A (en) * | 2021-11-04 | 2022-03-08 | 贵州国能实业集团有限公司 | Car as a house solar electric system |
-
2019
- 2019-07-05 CN CN201921044099.XU patent/CN210123907U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157003A (en) * | 2021-11-04 | 2022-03-08 | 贵州国能实业集团有限公司 | Car as a house solar electric system |
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