CN217904073U - Medical vehicle lithium battery energy storage system - Google Patents
Medical vehicle lithium battery energy storage system Download PDFInfo
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- CN217904073U CN217904073U CN202222106469.6U CN202222106469U CN217904073U CN 217904073 U CN217904073 U CN 217904073U CN 202222106469 U CN202222106469 U CN 202222106469U CN 217904073 U CN217904073 U CN 217904073U
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Abstract
The utility model belongs to the technical field of the lithium cell energy storage and specifically relates to a medical car lithium cell energy storage system, including battery box and high-voltage box, PCS, the supplementary machine that charges, the high-voltage box includes control circuit, master control BCU, DC AC converter, from reset start button, display screen and external communication interface. The utility model provides a medical vehicle lithium cell energy storage system CAN gather alone and manage 16/32/48 cluster battery, and battery integrated management module BCU passes through the CAN bus and communicates with equipment such as vehicle control unit, intelligent charging equipment, instrument, shows state information, power, SOC etc. of group battery. The system has stable discharge output characteristic, can be applied to various high-voltage scenes, and has no pollution and high safety.
Description
Technical Field
The utility model belongs to the technical field of the lithium cell energy storage and specifically relates to a medical vehicle lithium cell energy storage system.
Background
Lithium battery energy storage system of medical car is one set and changes lithium electricity into the equipment of high-pressure three-phase output, and if the medical car meets the sudden outage of commercial power at the during operation outside, it can be in the twinkling of an eye give switch into inside power supply, just so can not be influential to subsequent physical examination, can not cause the bad consequence of collapsing the dish to the software system on the medical car yet, traditional lead acid battery: 1. the lead-acid battery has memory effect, can not be charged at any time and can be discharged at any time 2, has serious self-discharge phenomenon, is easy to scrap 3 after being placed for a period of time, can not be used due to frozen electrolyte in a low-temperature state in winter, has greatly reduced performance 4, small discharge rate and can not be charged and discharged with large current for a long time, and 5, the lead-acid battery is also easy to explode and is easy to ignite; therefore, the lithium battery energy storage system of the medical vehicle is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a medical vehicle lithium cell energy storage system to solve the defect that proposes in the above-mentioned background art.
The utility model adopts the technical scheme as follows:
the utility model provides a medical vehicle lithium cell energy storage system, includes battery box and high-voltage box, PCS (DC-to-AC converter), supplementary machine that charges, the high-voltage box includes control circuit, master control BCU, DC/AC converter, from reset start button, display screen and external communication interface.
As an optimal technical solution of the utility model: the positive electrode and the negative electrode of the battery box are connected with the high-voltage box and are connected with the 8-core positive N-key position plug/socket through the PDU wiring harness to realize communication with the master control BCU.
As an optimal technical solution of the utility model: the control circuit comprises a pre-charging resistor, a pre-charging relay, a discharging relay, a rectifier bridge, an auxiliary charging relay, a fuse and a self-locking relay, the pre-charging resistor and the branch where the pre-charging relay is located are respectively connected after the positive electrode of the battery box is connected with the fuse, the branch where the pre-charging relay is located, the branch where the charging relay and the discharging relay are located, the rectifier bridge, the fuse and the auxiliary charger are located, the branch where the fuse and the auxiliary charger are located is respectively connected after the fuse is connected, the branch where the self-resetting starting button and the self-locking relay are respectively connected, the self-resetting starting button and the DC/AC converter are respectively connected, the middle port of the rectifier bridge is connected to the middle of the charging relay and the discharging relay, the pre-charging resistor and the branch where the pre-charging relay and the discharging relay are located, a parallel circuit formed by the rectifier bridge is commonly connected to the PCS, and the branch where the fuse and the auxiliary charger are connected to the auxiliary charger.
As an optimal technical solution of the utility model: the main control BCU is connected with the DC/AC converter, the display screen, an external communication power supply port, a charging power supply, a shunt and various relays; the negative pole of the battery box is connected with the shunt, then is connected with the total negative relay, and then is connected with the PCS and the auxiliary charger together with the DC/AC converter.
As an optimal technical solution of the utility model: the external communication interface is connected with the PCS and the charger port type plug-in unit for welding the customer.
As an optimal technical solution of the utility model: the auxiliary charger is connected with a pin type plug-in unit at the end of the charger.
The utility model provides a pair of medical vehicle lithium cell energy storage system compares with prior art, and its beneficial effect has:
the utility model provides a medical vehicle lithium battery energy storage system CAN gather alone and manage 16/32 48 cluster battery, and battery integrated management module BCU passes through equipment communications such as CAN bus and vehicle control unit, intelligent charging equipment, instrument, shows state information, power, SOC etc. of group battery. The system has stable discharge output characteristic, can be applied to various high-voltage scenes, and has no pollution and high safety.
Drawings
Fig. 1 is a circuit diagram of a No. 1 battery box according to a preferred embodiment of the present invention;
FIG. 2 is a control circuit diagram of the preferred embodiment of the present invention;
fig. 3 is a pin diagram of the main control BCU according to the preferred embodiment of the present invention;
FIG. 4 is a PSC pin diagram of the preferred embodiment of the present invention;
fig. 5 is a view of a self-resetting start button according to a preferred embodiment of the present invention;
fig. 6 is a circuit diagram of a display screen according to a preferred embodiment of the present invention;
FIG. 7 is a circuit diagram of the connection of the external communication power supply port according to the preferred embodiment of the present invention;
fig. 8 is a circuit diagram of the auxiliary charger according to the preferred embodiment of the present invention;
FIG. 9 is a pin diagram of a DC/AC converter according to a preferred embodiment of the present invention;
fig. 10 is a circuit diagram of a shunt connection according to a preferred embodiment of the present invention;
fig. 11 is a circuit connection diagram of the whole system according to the preferred embodiment of the present invention.
Detailed Description
It should be noted that, in the present embodiment, features of the embodiment and the embodiment can be combined with each other without conflict, and the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. 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.
Referring to fig. 1-11, the preferred embodiment of the present invention provides a medical vehicle lithium battery energy storage system, which comprises a battery box, a high voltage box, a PCS, and an auxiliary charger, wherein the high voltage box comprises a control circuit, a main control BCU, a DC/AC converter, a self-reset start button, a display screen, and an external communication interface.
The positive electrode and the negative electrode of the battery box are connected with the high-voltage box and are connected with the 8-core positive N-key position plug/socket through the PDU wiring harness to realize communication with the master control BCU.
The control circuit comprises a pre-charging resistor, a pre-charging relay, a discharging relay, a rectifier bridge, an auxiliary charging relay, a fuse and a self-locking relay, the pre-charging resistor and the branch where the pre-charging relay is located are respectively connected after the positive electrode of the battery box is connected with the fuse, the branch where the pre-charging relay is located, the branch where the charging relay and the discharging relay are located, the rectifier bridge, the fuse and the auxiliary charger are located, the branch where the fuse and the auxiliary charger are located is respectively connected after the fuse is connected, the branch where the self-resetting starting button and the self-locking relay are respectively connected, the self-resetting starting button and the DC/AC converter are respectively connected, the middle port of the rectifier bridge is connected to the middle of the charging relay and the discharging relay, the pre-charging resistor and the branch where the pre-charging relay and the discharging relay are located, a parallel circuit formed by the rectifier bridge is commonly connected to the PCS, and the branch where the fuse and the auxiliary charger are connected to the auxiliary charger.
The main control BCU is connected with the DC/AC converter, the display screen, an external communication power supply port, a charging power supply, a shunt and various relays; the negative pole of the battery box is connected with the shunt, then is connected with the main negative relay, and then is connected with the PCS and the auxiliary charger together with the DC/AC converter.
The external communication interface is connected with the PCS and the charger port type plug-in unit for welding the customer.
The auxiliary charger is connected with a pin type plug-in unit at the end of the charger.
In this embodiment, the relay is an ampere-relay. The battery box is formed by connecting 5 independent battery boxes IN series, the positive pole of the battery box is connected with a fuse and then respectively connected with a pre-charging resistor and a branch where the pre-charging relay is located, the charging relay and the discharging relay are located IN the branches, the rectifier bridge 3 and 2 ends are located IN the branches, the fuse and an auxiliary charger are located IN the branches, the fuse is connected with a self-resetting starting button and a self-locking relay and then respectively connected with an IN + pin of the self-resetting starting button and a DC/AC converter, a rectifier bridge port 1 is connected with the negative pole of the charging relay and the positive pole of the discharging relay, the pre-charging resistor and the branch where the pre-charging relay is located, the branch where the charging relay and the discharging relay are located, a parallel circuit formed by the rectifier bridge is commonly connected with a P + pin of a PCS, and the branch where the fuse and the auxiliary charger are located is connected with the P + pin of an auxiliary charger. And ST1-ST3 in the battery box are voltage sampling lines and temperature sampling lines of which the interfaces ST2 and ST3 are respectively connected with the battery cell. ST2 is the slave supply line and the master-slave communication line.
The pins ST1-38, 27, 13 and 32 of the battery box are connected with the pins ST1-06, 08, 13 and 32 of the main control BCU through an 8-core positive socket/plug, and a 120 ohm matching resistor is added between a CANH pin and a CANL pin in the battery pack. The main control BCU receives and judges the information sent from the control, controls relays of all paths, controls the on-off of loops, manages all information collected by the battery management system, performs state estimation, current detection, external communication and internal communication on the battery pack, and performs protection control and external equipment communication according to the voltage, temperature and power characteristics of the battery. The pins ST1-40 and 38 of the main control BCU are connected to an OUT + pin of the DC/AC converter, the pins ST1-27 are connected to an OUT-pin of the DC/AC converter, the pins ST1-10, 29, 06 and 08 are connected with a display screen, the pins ST1-10 and 29 are connected with an inverter communication 485-A pin and an inverter communication 485-B pin of an external communication power supply port, the pins ST1-13 and ST 32 are respectively connected with a debugging CANO-H pin and a debugging CANO-L pin of the external communication power supply port, the pins ST1-39 and ST 07 are respectively connected with a positive electrode and a negative electrode of a charging 12V, and the pins ST2-04 and ST 03 are respectively connected with a SHUNT-pin and a SHUNT + pin of a SHUNT; the negative pole of the battery box is connected with the shunt, then is connected with the total negative relay, and then is connected with the DC/AC converter together to the P-pin of the PCS and the P-pin of the auxiliary charger. The self-reset starting button comprises an LED lamp, and the LED lamp is powered by the slave machine. The 485-A pin and the 485-B pin of the inverter communication of the external communication interface are respectively connected with the 485-A pin and the 485-B pin of the PCS, and the 24V + pin and the 24V-pin of the charger are connected with the PCS and the charger port type plug-in unit for welding of customers. The debugging port can debug CANO-H pins and debug CANO-L pins to form 2pinAMP hole type.
And the 24V + pin and the 24V-pin of the auxiliary charger are connected with a pin type plug-in at the end of the charger.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a medical vehicle lithium cell energy storage system, includes battery box and high-voltage box, PCS, supplementary machine that charges, its characterized in that: the high-voltage box comprises a control circuit, a main control BCU, a DC/AC converter, a self-reset starting button, a display screen and an external communication interface.
2. The medical vehicle lithium battery energy storage system of claim 1, wherein: the positive electrode and the negative electrode of the battery box are connected with the high-voltage box and are connected with the 8-core positive N-key position plug/socket through the PDU wiring harness to realize communication with the master control BCU.
3. The lithium battery energy storage system for the medical vehicle as claimed in claim 1, wherein: the control circuit comprises a pre-charging resistor, a pre-charging relay, a discharging relay, a rectifier bridge, an auxiliary charging relay, a fuse and a self-locking relay, the pre-charging resistor and the branch where the pre-charging relay is located are respectively connected after the positive electrode of the battery box is connected with the fuse, the branch where the pre-charging relay is located, the branch where the charging relay and the discharging relay are located, the rectifier bridge, the fuse and the auxiliary charger are located, the branch where the fuse and the auxiliary charger are located is respectively connected after the fuse is connected, the branch where the self-resetting starting button and the self-locking relay are respectively connected, the self-resetting starting button and the DC/AC converter are respectively connected, the middle port of the rectifier bridge is connected to the middle of the charging relay and the discharging relay, the pre-charging resistor and the branch where the pre-charging relay and the discharging relay are located, a parallel circuit formed by the rectifier bridge is commonly connected to the PCS, and the branch where the fuse and the auxiliary charger are connected to the auxiliary charger.
4. The lithium battery energy storage system for the medical vehicle as claimed in claim 1, wherein: the main control BCU is connected with the DC/AC converter, the display screen, an external communication power supply port, a charging power supply, a shunt and various relays; the negative pole of the battery box is connected with the shunt, then is connected with the main negative relay, and then is connected with the PCS and the auxiliary charger together with the DC/AC converter.
5. The medical vehicle lithium battery energy storage system of claim 1, wherein: the external communication interface is connected with the PCS and the charger port type plug-in unit for welding the customer.
6. The lithium battery energy storage system for the medical vehicle as claimed in claim 1, wherein: the auxiliary charger is connected with a pin type plug-in at the end of the charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222106469.6U CN217904073U (en) | 2022-08-10 | 2022-08-10 | Medical vehicle lithium battery energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222106469.6U CN217904073U (en) | 2022-08-10 | 2022-08-10 | Medical vehicle lithium battery energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217904073U true CN217904073U (en) | 2022-11-25 |
Family
ID=84142259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222106469.6U Active CN217904073U (en) | 2022-08-10 | 2022-08-10 | Medical vehicle lithium battery energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217904073U (en) |
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2022
- 2022-08-10 CN CN202222106469.6U patent/CN217904073U/en active Active
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