CN218549569U - High-voltage power supply device, whole vehicle control system and whole vehicle equipment - Google Patents
High-voltage power supply device, whole vehicle control system and whole vehicle equipment Download PDFInfo
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- CN218549569U CN218549569U CN202222229168.2U CN202222229168U CN218549569U CN 218549569 U CN218549569 U CN 218549569U CN 202222229168 U CN202222229168 U CN 202222229168U CN 218549569 U CN218549569 U CN 218549569U
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Abstract
The utility model provides a high-voltage power supply device, a whole vehicle control system and whole vehicle equipment, wherein the high-voltage power supply device comprises a power supply module, a first switch unit, a second switch unit, a third switch unit, a circuit breaker unit and a transformer unit; the power supply module comprises N power supply device units which are connected in series, and a circuit breaking device unit is connected between every two adjacent power supply device units in series; wherein N is a positive integer and is more than or equal to 2; two ends of each circuit breaking device unit are respectively coupled to the first end of the neutral line through the first switch unit; a second end of the neutral line is coupled to a first end of the transformer unit; the second end and the third end of the voltage transformation device unit are respectively coupled to the anode and the cathode of the power supply module, the fourth end and the second end of the voltage transformation device unit are coupled through a second switch unit, and the fifth end and the third end of the voltage transformation device unit are coupled through a third switch unit; the high-voltage power supply device can normally supply power to the outside when part of the power supply device units are abnormally supplied with power.
Description
Technical Field
The utility model relates to a power battery field especially relates to high voltage power supply unit, whole car control system and whole car equipment.
Background
The battery module of the power battery in the prior art is generally that a lithium ion battery cell is combined in a series-parallel connection mode, and when a certain battery cell module fails, normal work of other battery modules can be influenced, so that high voltage electricity cannot be normally output externally.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high voltage power supply unit, whole car control system and whole car equipment can appear dividing when normal power supply in the power supply unit, cuts off the connecting circuit of the power supply unit of abnormal power supply, makes high voltage power supply unit can normally supply power to the outside.
According to a first aspect of the present embodiment, there is provided a high voltage power supply device, including a power supply module, a first switch unit, a second switch unit, a third switch unit, a circuit breaking device unit, and a transformation device unit;
the power supply module comprises N power supply device units which are connected in series, and a circuit breaking device unit is connected between every two adjacent power supply device units in series; wherein N is a positive integer and is more than or equal to 2;
two ends of each circuit breaking device unit are respectively coupled to the first end of the neutral line through the first switch unit; a second end of the neutral line is coupled to a first end of the transformer unit;
the second terminal and the third terminal of the voltage transformation device unit are respectively coupled to the anode and the cathode of the power supply module, the fourth terminal and the second terminal of the voltage transformation device unit are coupled through the second switch unit, and the fifth terminal and the third terminal of the voltage transformation device unit are coupled through the third switch unit.
Optionally, the circuit breaking device unit comprises at least a spark fuse.
Optionally, the breaking device unit comprises at least a circuit breaker.
Optionally, the first switch unit and/or the second switch unit and/or the third switch unit are relays.
Optionally, the voltage transformation device unit at least comprises a DC/DC converter.
Optionally, the number of the power supply device units is two, and the two power supply device units are respectively a first power supply device unit and a second power supply device unit, where:
the first end of the first power supply unit is connected with the second end of the transformation device unit, and the second end of the first power supply unit is connected with the first end of the circuit breaking device unit;
the first end of the second power supply unit is connected with the second end of the circuit breaking device unit, and the second end of the second power supply unit is connected with the third end of the transformation device unit;
the second terminal and the third terminal of the voltage transformation device unit are respectively coupled to the anode and the cathode of the power supply module, the fourth terminal and the second terminal of the voltage transformation device unit are coupled through the second switch unit, and the fifth terminal and the third terminal of the voltage transformation device unit are coupled through the third switch unit.
Optionally, the second end of the first power supply unit is coupled to the first end of the neutral line through a first switch unit;
the first end of the second power supply unit is coupled to the first end of the neutral line through a first switch unit.
According to the utility model discloses a second aspect provides a whole car control system, has contained the utility model discloses the high voltage power supply unit that first aspect and alternative provided.
According to the utility model discloses a second aspect provides a whole car, has contained the utility model discloses the whole car control system that second aspect and alternative provided.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic diagram of a module structure of a high-voltage power supply device according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a high-voltage power supply device according to an embodiment of the present invention.
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 efforts all belong to the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The technical solution of the present invention will be described in detail with reference to specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Referring to fig. 1, an embodiment of the present invention provides a high voltage power supply apparatus 100, which includes a power supply module, a first switch unit 103, a first switch unit 104, a third switch unit 105, a circuit breaking unit 102, and a transformer unit 106;
the power supply module comprises N power supply device units 101 which are connected in series, and a circuit breaking device unit 102 is connected between every two adjacent power supply device units 101 in series; wherein N is a positive integer and is more than or equal to 2;
two ends of each circuit breaking device unit 102 are respectively coupled to a first end of the neutral line through a first switch unit 103; a second end of the neutral line is coupled to a first end of the transformer unit 106;
a second terminal and a third terminal of the voltage transformation device unit 106 are respectively coupled to the positive electrode and the negative electrode of the power supply module, a fourth terminal and a second terminal thereof are coupled through the first switch unit 104, and a fifth terminal and a third terminal thereof are coupled through the third switch unit 105.
The high-voltage power supply device 100 at least comprises the following working modes:
1) When the high-voltage power supply device 100 normally supplies power to the outside, the first switch unit 103 is turned off, and the first switch unit 104 and the third switch unit 105 are turned on; meanwhile, the circuit breaking device unit 102 is not triggered, the voltage transforming device unit 106 does not work, and the high-voltage power supply device 100 is externally supplied with power by a main positive end and a main negative end of a main loop.
2) When at least one power supply device unit 101 abnormally supplies power, disconnecting the circuit breaking device unit 102 connected with the power supply device unit 101 corresponding to the abnormal power supply, disconnecting the first switch unit 103 connected with two ends of the circuit breaking device unit 102, closing other first switch units 103, and disconnecting the first switch unit 104 and the third switch unit 105 to isolate the power supply device unit 101 corresponding to the abnormal power supply; meanwhile, the voltage transformation unit 106 is driven, and the voltage output by the other power supply unit 101 which normally supplies power is input to the voltage transformation unit 106 through the neutral line of the first switch unit 103 which is closed, and is output after being boosted by the voltage transformation unit 106, so that external power supply is realized.
3) When the circuit breaker unit 102 is triggered by an error when the power supply unit 101 supplies power normally, the first switch unit 104 and the third switch unit 105 are closed, the first switch unit 103 is closed, the transformer unit 106 does not work, and the high-voltage power supply device 100 supplies power to the outside through a main positive terminal and a main negative terminal of a main loop.
In one embodiment, the power supply unit 101 is a power battery pack.
In a preferred embodiment, the circuit breaker unit 102 at least includes a spark fuse, which is a disposable instantaneous power-off protection device capable of receiving an external trigger signal, and when a general circuit breaker encounters a large voltage, a bonding phenomenon occurs to cause a failure of power-off, so that the connection with the power supply unit 101 in which a thermal runaway occurs can be more effectively and quickly disconnected compared with a general circuit breaker.
Of course, it should be understood that the circuit breaking device unit 102 may include not only the spark fuse, but also a relay, a circuit breaker, etc., and is within the protection range as long as the circuit breaking function can be realized under the control of the first control module.
As a specific embodiment, the first switch unit 103 and/or the first switch unit 104 and/or the third switch unit 105 are relays.
As a specific embodiment, the voltage transformation device unit 106 at least includes a DC/DC converter; of course, it should be understood that any device capable of boosting the voltage input by the power supply unit 101 to a normal high voltage is also within the protection range.
Referring to fig. 2, as an embodiment, the number of the power battery packs is two, which are a first power battery pack 1011 and a second power battery pack 1012, wherein:
the first end of the first power battery pack 1011 is connected to the second end of the DCDC converter 1061, and the second end of the first power battery pack 1011 is connected to the first end of the spark fuse 1021;
a first end of the second power battery pack 1012 is connected to a second end of the spark fuse 1021, and a second end of the second power battery pack 1012 is connected to a third end of the DCDC converter 1061; the fourth terminal and the second terminal of the DCDC converter 1061 are coupled through a third relay 1041, and the fifth terminal and the third terminal thereof are coupled through a fourth relay 1051;
a second end of the first power battery pack 1011 is coupled to a first end of the neutral line through a first relay 1031;
a first end of the second power pack 1012 is coupled to a first end of the neutral line via a second relay 1032.
As a specific implementation manner, the neutral line is a conducting wire connecting the transformer unit 106 and the power supply unit 101, and is essentially a copper bar or a power line with the same main positive main negative specification.
The embodiment of the utility model also provides a whole car control system, include high voltage power supply unit 100 and whole car control system's other parts.
The embodiment of the utility model provides a whole car still provides a whole car, include other parts of whole car control system and whole car.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A high-voltage power supply device is characterized by comprising a power supply module, a first switch unit, a second switch unit, a third switch unit, a circuit breaking device unit and a transformation device unit;
the power supply module comprises N power supply device units which are connected in series, and a circuit breaking device unit is connected between every two adjacent power supply device units in series; wherein N is a positive integer and is more than or equal to 2;
two ends of each circuit breaking device unit are respectively coupled to the first end of the neutral line through the first switch unit; a second end of the neutral line is coupled to a first end of the transformer unit;
the second terminal and the third terminal of the voltage transformation device unit are respectively coupled to the anode and the cathode of the power supply module, the fourth terminal and the second terminal of the voltage transformation device unit are coupled through the second switch unit, and the fifth terminal and the third terminal of the voltage transformation device unit are coupled through the third switch unit.
2. The device of claim 1, wherein the circuit interrupting device unit comprises at least a spark fuse.
3. The device according to claim 2, characterized in that the breaking device unit comprises at least a circuit breaker.
4. The device according to claim 1, characterized in that the first and/or the second and/or the third switching unit is a relay.
5. The apparatus of claim 1, wherein the transforming device unit comprises at least a DC/DC converter.
6. The device according to any one of claims 1 to 5, wherein the number of the power supply units is two, namely a first power supply unit and a second power supply unit, wherein:
the first end of the first power supply unit is connected with the second end of the transformation device unit, and the second end of the first power supply unit is connected with the first end of the circuit breaking device unit;
the first end of the second power supply unit is connected with the second end of the circuit breaking device unit, and the second end of the second power supply unit is connected with the third end of the voltage transformation device unit;
the second terminal and the third terminal of the voltage transformation device unit are respectively coupled to the anode and the cathode of the power supply module, the fourth terminal and the second terminal of the voltage transformation device unit are coupled through the second switch unit, and the fifth terminal and the third terminal of the voltage transformation device unit are coupled through the third switch unit.
7. The device of claim 6, wherein the second terminal of the first power supply unit is coupled to the first terminal of the neutral line through a first switch unit;
the first end of the second power supply unit is coupled to the first end of the neutral line through a first switch unit.
8. A vehicle control system, characterized by comprising the high-voltage power supply device of any one of claims 1 to 7.
9. A finished vehicle characterized by comprising the finished vehicle control system of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222229168.2U CN218549569U (en) | 2022-08-23 | 2022-08-23 | High-voltage power supply device, whole vehicle control system and whole vehicle equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222229168.2U CN218549569U (en) | 2022-08-23 | 2022-08-23 | High-voltage power supply device, whole vehicle control system and whole vehicle equipment |
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| Publication Number | Publication Date |
|---|---|
| CN218549569U true CN218549569U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222229168.2U Active CN218549569U (en) | 2022-08-23 | 2022-08-23 | High-voltage power supply device, whole vehicle control system and whole vehicle equipment |
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| CN (1) | CN218549569U (en) |
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- 2022-08-23 CN CN202222229168.2U patent/CN218549569U/en active Active
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