CN221272579U - Battery circuit for pure electric bus - Google Patents
Battery circuit for pure electric bus Download PDFInfo
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- CN221272579U CN221272579U CN202323447521.5U CN202323447521U CN221272579U CN 221272579 U CN221272579 U CN 221272579U CN 202323447521 U CN202323447521 U CN 202323447521U CN 221272579 U CN221272579 U CN 221272579U
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- 102100037070 Doublecortin domain-containing protein 2 Human genes 0.000 claims description 30
- 101000954709 Homo sapiens Doublecortin domain-containing protein 2 Proteins 0.000 claims description 30
- 102100037069 Doublecortin domain-containing protein 1 Human genes 0.000 claims description 11
- 101000954712 Homo sapiens Doublecortin domain-containing protein 1 Proteins 0.000 claims description 11
- 230000003020 moisturizing effect Effects 0.000 claims 1
- 239000002253 acid Substances 0.000 abstract description 26
- 230000005611 electricity Effects 0.000 abstract description 9
- 230000007812 deficiency Effects 0.000 abstract description 4
- 230000002950 deficient Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000001502 supplementing effect Effects 0.000 abstract description 3
- 230000001419 dependent effect Effects 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 abstract description 2
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a battery power supplementing circuit of a pure electric bus, which comprises a power battery and a 24V battery, wherein the anode and the cathode of the power battery are respectively and electrically connected with a high-voltage control box of the power battery, the high-voltage control box of the battery is electrically connected with an all-in-one module, the utility model relates to the technical field of automobile equipment, and aims at the condition that the pure electric bus lead-acid battery is deficient and a vehicle cannot be started, the electric energy of a power battery system is utilized to supplement the electric energy of the lead-acid battery, a charger or a mobile lead-acid battery which is not dependent on commercial power is not needed, the operation is simple and convenient, the vehicle can be quickly electrified, the high voltage is started, and the operation of the vehicle is recovered; under the condition that the vehicle cannot be electrified due to the deficiency of the lead-acid storage battery, a charging system of the lead-acid storage battery with the deficiency of electricity is formed by a power battery system, a power battery high-voltage control box, a manual maintenance switch MSD, a direct current converter DC/DC and the lead-acid storage battery; the operation is simple, the operation is stable and reliable, the electricity of the lead-acid storage battery with insufficient electricity can be quickly supplemented, and the vehicle can be started.
Description
Technical Field
The utility model relates to the technical field of automobile equipment, in particular to a battery compensation circuit of a pure electric bus.
Background
The power source of the pure electric bus mainly adopts a lithium ion power battery system, the vehicle is started mainly by adopting low-voltage boosting and starting high-voltage of a lead-acid storage battery, and meanwhile, the lead-acid storage battery supplies power to a vehicle piezoelectric device, and the pure electric bus is specially prepared as a common electric appliance. In the using process of the vehicle, the main switch of the low-voltage power supply is forgotten to be closed, and the static power consumption of the whole vehicle electrical appliance is caused, so that the power supply of the lead-acid storage battery is caused; or the vehicle is stored for a long time, and the self-discharge of the storage battery causes the feeding of the battery. The vehicle can not be electrified and started after the lead-acid storage battery is fed, and a battery charger for the mains supply is needed to charge the storage battery or the mobile storage battery is used for carrying out power-up. The parking position of the vehicle is close to the commercial power, or whether a charger exists or not, and whether a mobile storage battery exists or not, which brings certain inconvenience to the operation of recovering the electric quantity of the lead-acid storage battery.
Disclosure of utility model
The utility model is provided in view of the problems existing in the existing battery compensation circuit of the pure electric bus.
Therefore, the utility model aims to provide a battery compensating circuit of a pure electric bus, which solves the problem.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
The utility model provides a pure electric bus battery power supply circuit, includes power battery and 24V battery, power battery's positive and negative pole respectively with power battery high voltage control box electric connection, battery high voltage control box electric connection has an all-in-one module, an all-in-one module electric connection whole car low pressure 24V master switch.
As a preferable scheme of the battery compensating circuit of the pure electric bus, the utility model comprises the following steps: the power battery is characterized in that an MSD and a current sensor are respectively connected to the anode and the cathode of the power battery, one end of the MSD is connected with a direct-current charging positive interface, and the MSD and the current sensor are connected with a DCDC2 manual switch through DCDC2 high voltage, and one end of the DCDC2 manual switch is connected with a DCDC2 module.
As a preferable scheme of the battery compensating circuit of the pure electric bus, the utility model comprises the following steps: one end of each MSD and one end of each current sensor are connected with a direct-current charging negative relay, and each MSD and each current sensor are connected with the all-in-one module.
As a preferable scheme of the battery compensating circuit of the pure electric bus, the utility model comprises the following steps: the multi-in-one module is provided with a DCDC1 module, a motor driving positive electrode interface, a motor driving negative electrode interface, an oil pump high-voltage interface and an air pump high-voltage interface, wherein the DCDC1 module is connected with a whole vehicle low-voltage 24V master switch through a 24V low-voltage output line.
As a preferable scheme of the battery compensating circuit of the pure electric bus, the utility model comprises the following steps: the DCDC2 module is connected with the low-voltage 24V master switch of the whole vehicle, and two ends of the low-voltage 24V master switch of the whole vehicle and the DCDC1 module are respectively and jointly connected with the 24V storage battery.
As a preferable scheme of the battery compensating circuit of the pure electric bus, the utility model comprises the following steps: one end of the whole vehicle low-voltage 24V master switch is provided with a whole vehicle low-voltage 24V positive electrode interface, and one end of the 24V storage battery is provided with a whole vehicle low-voltage 24V negative electrode interface.
Compared with the prior art:
1. Aiming at the condition that the lead-acid storage battery of the pure electric bus is deficient in electricity and the vehicle cannot be started, the electric energy of the power battery system is utilized to supplement electricity for the lead-acid storage battery, a charger or a mobile lead-acid storage battery which is not dependent on commercial power is not needed, the operation is simple and convenient, the vehicle can be quickly electrified, high voltage is started, and the operation of the vehicle is recovered;
2. Under the condition that the vehicle cannot be electrified due to the deficiency of the lead-acid storage battery, a charging system of the lead-acid storage battery with the deficiency of electricity is formed by a power battery system, a power battery high-voltage control box, a manual maintenance switch MSD, a direct current converter DC/DC and the lead-acid storage battery;
3. the operation is simple, the operation is stable and reliable, the electricity of the lead-acid storage battery with insufficient electricity can be quickly supplemented, and the vehicle can be started.
Drawings
Fig. 1 is a schematic diagram of a full vehicle 24V storage battery power supply principle by using a high-voltage power battery and a vehicle-mounted DCDC;
FIG. 2 is an enlarged view of a portion of FIG. 1A according to the present utility model;
FIG. 3 is an enlarged view of a portion of the portion B of FIG. 1 provided by the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C in accordance with the present utility model;
Fig. 5 is a schematic diagram of a principle of supplementing electricity by using a high-voltage power battery and a standby DCDC for a 24V storage battery of the whole vehicle;
FIG. 6 is an enlarged view of portion D of FIG. 5 in accordance with the present utility model;
FIG. 7 is an enlarged view of a portion of FIG. 5 at E in accordance with the present utility model;
fig. 8 is a partial enlarged view of the portion F in fig. 5 provided by the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides a battery supplementing circuit of a pure electric bus, referring to fig. 1-8, which comprises a power battery and a 24V battery, wherein the anode and the cathode of the power battery are respectively and electrically connected with a high-voltage control box of the power battery, the high-voltage control box of the battery is electrically connected with an all-in-one module, and the all-in-one module is electrically connected with a low-voltage 24V main switch of the whole bus.
The power battery is characterized in that an MSD and a current sensor are respectively connected to the anode and the cathode of the power battery, one end of the MSD is connected with a direct-current charging positive interface, and the MSD and the current sensor are connected with a DCDC2 manual switch through DCDC2 high voltage, and one end of the DCDC2 manual switch is connected with a DCDC2 module.
One end of each MSD and one end of each current sensor are connected with a direct-current charging negative relay, and each MSD and each current sensor are connected with the all-in-one module.
The multi-in-one module is provided with a DCDC1 module, a motor driving positive electrode interface, a motor driving negative electrode interface, an oil pump high-voltage interface and an air pump high-voltage interface, wherein the DCDC1 module is connected with a whole vehicle low-voltage 24V master switch through a 24V low-voltage output line.
The DCDC2 module is connected with the low-voltage 24V master switch of the whole vehicle, and two ends of the low-voltage 24V master switch of the whole vehicle and the DCDC1 module are respectively and jointly connected with the 24V storage battery.
One end of the whole vehicle low-voltage 24V master switch is provided with a whole vehicle low-voltage 24V positive electrode interface, and one end of the 24V storage battery is provided with a whole vehicle low-voltage 24V negative electrode interface.
Example 1, see fig. 1-4:
The specific implementation mode is as follows: the power battery high-voltage control box is provided with a constant-voltage DCDC2 high-voltage interface, after the manual maintenance switch MSD is inserted, the DCDC2 high-voltage interface can output high voltage, the vehicle-mounted DCDC2 is arranged on a vehicle, the high-voltage input of the DCDC2 is connected with the high-voltage interface of the high-voltage control box through the high-voltage input switch, the input high-voltage switch is normally in an off state, and the low-voltage output of the DCDC2 is connected with the positive electrode and the negative electrode of the lead-acid power storage. When the vehicle is deficient in the lead-acid storage battery and the electric vehicle cannot be started, the low-voltage 24V main switch of the whole vehicle is firstly opened, then the high-voltage input switch of the DCDC2 is closed, the electric energy of the power battery is used for charging the lead-acid storage battery through the DCDC2, the charging is carried out for 5-10 min, the high-voltage input switch of the DCDC2 is opened, the low-voltage 24V main switch of the whole vehicle is closed, a key is opened, the low-voltage high-voltage electric power of the vehicle is supplied, and after the vehicle is normally started, the multi-in-one DCDC1 works to charge the lead-acid storage battery and supply power to the electric appliance.
Example 2, see fig. 5-8:
The specific implementation mode is as follows: the high-voltage control box of the power battery is designed with a high-voltage interface of the constant-voltage DCDC2, after the manual maintenance switch MSD is inserted, the high-voltage interface of the DCDC2 can output high voltage, a low-voltage output plug-in unit and a high-voltage input plug-in unit of the DCDC2 are reserved on a vehicle, and the standby DCDC2 can be used on the vehicle (a plurality of vehicles can be provided with one DCDC 2). When the vehicle lead-acid storage battery is deficient and the electric vehicle cannot be started, the low-voltage 24V main switch of the whole vehicle is firstly disconnected, then the low-voltage output plug-in unit and the high-voltage input plug-in unit of the DCDC2 are connected, the electric energy of the power battery is utilized to charge the lead-acid storage battery through the DCDC2, the high-voltage input switch of the DCDC2 is disconnected, the low-voltage 24V main switch of the whole vehicle is closed again, a key is opened, the low-voltage high-voltage electric vehicle is started normally, and the multi-in-one DCDC1 works to charge the lead-acid storage battery and supply power to the piezoelectric device.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides a pure electric bus battery moisturizing circuit, includes power battery and 24V battery, its characterized in that: the positive pole and the negative pole of power battery respectively with power battery high pressure control box electric connection, battery high pressure control box electric connection has an all-in-one module, all-in-one module electric connection whole car low pressure 24V master switch.
2. The battery compensating circuit of the pure electric bus according to claim 1, wherein the positive electrode and the negative electrode of the power battery are respectively connected with an MSD and a current sensor, one end of the MSD is connected with a direct-current charging positive interface, the MSD and the current sensor are both connected with a DCDC2 manual switch through DCDC2 high voltage, and one end of the DCDC2 manual switch is connected with a DCDC2 module.
3. The battery charging circuit for the pure electric bus according to claim 2, wherein one ends of the MSD and the current sensor are connected with a direct current charging negative relay, and the MSD and the current sensor are connected with an all-in-one module.
4. The battery compensating circuit of the pure electric bus according to claim 1, wherein the all-in-one module is provided with a DCDC1 module, a motor driving positive electrode interface, a motor driving negative electrode interface, an oil pump high-voltage interface and an air pump high-voltage interface, and the DCDC1 module is connected with a low-voltage 24V master switch of the whole bus through a 24V low-voltage output line.
5. The battery compensating circuit of a pure electric bus according to claim 2, wherein the DCDC2 module is connected with a low-voltage 24V master switch of the whole bus, and two ends of the low-voltage 24V master switch of the whole bus and the DCDC1 module are respectively and jointly connected with the 24V battery.
6. The battery compensating circuit of a pure electric bus according to claim 1, wherein one end of the low-voltage 24V master switch of the whole bus is provided with a low-voltage 24V positive interface of the whole bus, and one end of the 24V battery is provided with a low-voltage 24V negative interface of the whole bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323447521.5U CN221272579U (en) | 2023-12-18 | 2023-12-18 | Battery circuit for pure electric bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323447521.5U CN221272579U (en) | 2023-12-18 | 2023-12-18 | Battery circuit for pure electric bus |
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| Publication Number | Publication Date |
|---|---|
| CN221272579U true CN221272579U (en) | 2024-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323447521.5U Active CN221272579U (en) | 2023-12-18 | 2023-12-18 | Battery circuit for pure electric bus |
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| Country | Link |
|---|---|
| CN (1) | CN221272579U (en) |
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2023
- 2023-12-18 CN CN202323447521.5U patent/CN221272579U/en active Active
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