CN211032206U - Control circuit for high-voltage distribution box of hydrogen fuel cell system - Google Patents
Control circuit for high-voltage distribution box of hydrogen fuel cell system Download PDFInfo
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- CN211032206U CN211032206U CN201920662851.0U CN201920662851U CN211032206U CN 211032206 U CN211032206 U CN 211032206U CN 201920662851 U CN201920662851 U CN 201920662851U CN 211032206 U CN211032206 U CN 211032206U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Abstract
The utility model discloses a hydrogen fuel cell system high voltage distributor box control circuit, including fuel cell control module, insulating detection module, high-pressure branch road module, power battery interface circuit, FCS-DCH output interface circuit, FCS-DCH input interface circuit, FC output interface circuit, pre-charge circuit 1, pre-charge circuit 2, power diode 1, power diode 2, power battery interface circuit docks with whole car, FCS-DCH output interface circuit steps up DCDC high-voltage output interface for fuel cell system, and this circuit and power battery interface circuit are parallelly connected, FC output interface circuit is the electric energy output interface that produces behind the fuel cell chemical reaction. In the utility model, this hydrogen fuel cell system high voltage distributor box control circuit, high voltage distributor box inside integrated fuse, contactor, insulating detection module etc. have improved whole car high-voltage security.
Description
Technical Field
The utility model relates to a hydrogen fuel cell car technical field especially relates to a hydrogen fuel cell system high voltage distributor box control circuit.
Background
The new energy automobile refers to all other energy automobiles except gasoline and diesel engines. The radiator in the cooling system of the new energy automobile has the main function of timely radiating partial heat absorbed by heated parts, and ensures that a generator works in an optimum temperature state. At present, the radiators suitable for pure electric vehicles and hybrid electric vehicles are more, and the technology is relatively mature.
The Hydrogen energy automobile is divided into two types, one is a Hydrogen internal combustion engine automobile (HICEV) which is driven by the power generated by the combustion of Hydrogen gas (usually obtained by decomposing methane or electrolyzing water) by an internal combustion engine. The hydrogen Fuel cell vehicle (Fuel cell vehicle-FCEV) is driven by electric power generated by the reaction of hydrogen or hydrogen-containing substance and oxygen in the air in a Fuel cell, and the vehicle is driven by the electric motor.
The current car fuel cell system circuit is more complicated, and the circuit integration level is not high, and it is more with whole car matching interface, is unfavorable for resource integration, and secondly when the most serious trouble appears in whole car electrical system, whole car controller can control whole car disconnection high voltage circuit, at this moment because fuel cell chemical reaction is still continuing, breaks off high voltage circuit and extremely easily damages fuel cell relevant parts.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a high-voltage distribution box control circuit of a hydrogen fuel cell system.
In order to achieve the purpose, the following technical scheme is adopted in the utility model: a high-voltage distribution box control circuit of a hydrogen fuel cell system comprises a fuel cell control module, an insulation detection module, a high-voltage branch module, a power cell interface circuit, an FCS-DCH output interface circuit, an FCS-DCH input interface circuit, an FC output interface circuit, a pre-charging circuit 1, a pre-charging circuit 2, a power diode 1 and a power diode 2;
the power battery interface circuit is in butt joint with the whole vehicle;
the FCS-DCH output interface circuit is a fuel cell system boosting DCDC high-voltage output interface and is connected with the power cell interface circuit in parallel;
the FC output interface circuit is an electric energy output interface generated after the chemical reaction of the fuel cell;
the FCS-DCH input interface circuit is a fuel cell system boosting DCDC high-voltage input interface and is connected with the FC output interface circuit in series;
the fuel cell control module controls and detects the work of the FC system;
the insulation detection module is used for detecting the insulation performance of the fuel cell system and improving the high-voltage safety;
the pre-charging circuit 1 is connected in series with the positive end of the FCS-DCH output interface circuit, is used for pre-charging the air pump controller in the high-voltage branch module when the air pump controller is under high voltage, and can be selectively mounted according to whether the air pump controller is provided with the pre-charging circuit.
Preferably, the pre-charging circuit 2 is connected in series to the positive terminal of the FC output interface circuit, and is used for pre-charging when the FCs-DCH input receives a high voltage, and the pre-charging circuit can be selected according to whether the FCs-DCH input is provided with the pre-charging circuit.
Preferably, the power diode 1 is connected in series at the top end of the positive pole of the FCS-DCH output interface circuit, current can only flow from the FC output interface circuit to the power battery interface circuit and the high-voltage branch module, the purpose is to prevent the power battery current from being overlarge, pull down the high-voltage value of the whole vehicle, easily report high-voltage pre-charging faults, and damage hardware such as DCH and a power battery fuse, and the diode can be selected according to whether the FCS-DCH output interface circuit has a pre-charging circuit.
Preferably, the power diode 2 is connected in series between the pre-charging circuit 2 and the high-voltage branch module, so as to prevent the power battery interface circuit or the FC output interface circuit from current impact on the FC output interface circuit and damage the fuel cell.
Preferably, a heater is further included;
the heater is arranged in the high-voltage branch module;
the heater in the high-voltage branch module can start the fuel cell at low temperature or maintain the fuel cell in a stable temperature range, and meanwhile, when the whole vehicle has the most serious fault, even if the whole vehicle is disconnected at high voltage, the heater can continuously consume the current released by the chemical reaction of the fuel cell until the chemical reaction is finished, so that the system can be protected from being damaged, and the heater relay is controlled by the fuel cell control module.
Preferably, the system also comprises a plurality of relays (Relay) and a plurality of Fuses (FU);
several of the relays (relays) may be controlled by a fuel cell control module.
Compared with the prior art, this practical beneficial effect is:
1. this utility model, this hydrogen fuel cell system high voltage distributor box control circuit, with fuel cell electrical apparatus interface integration together, very big simplification with whole car interface quantity.
2. This hydrogen fuel cell system high voltage distributor box control circuit, inside fuse, contactor, the insulating detection module etc. of having integrateed of high voltage distributor box have improved whole car high-voltage security.
3. The utility model discloses, this hydrogen fuel cell system high voltage distribution box control circuit, high voltage distribution box are inside to include the heater, can make fuel cell low temperature start or maintain at stable temperature interval, and when the most serious trouble appears in whole car simultaneously, even whole car high pressure disconnection, this heater can continue to consume the electric current of fuel cell chemical reaction release, and is accomplished until chemical reaction, so can protect the system not receive the damage.
Drawings
Fig. 1 is a circuit diagram of a high voltage distribution box control circuit of a hydrogen fuel cell system according to 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. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.
In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those skilled in the art.
Referring to fig. 1, a control circuit for a high voltage distribution box of a hydrogen fuel cell system comprises a fuel cell control module, an insulation detection module, a high voltage branch module, a power cell interface circuit, an FCS-DCH output interface circuit, an FCS-DCH input interface circuit, an FC output interface circuit, a pre-charge circuit 1, a pre-charge circuit 2, a power diode 1, and a power diode 2, wherein the power cell interface circuit is in butt joint with a whole vehicle, the FCS-DCH output interface circuit is a fuel cell system boosting DCDC high voltage output interface and is connected in parallel with the power cell interface circuit, the FC output interface circuit is an electric energy output interface generated after chemical reaction of a fuel cell, the FCS-DCH input interface circuit is a fuel cell system boosting DCDC high voltage input interface and is connected in series with the FC output interface circuit, and the fuel cell control module controls and detects the operation of the FC system, the insulation detection module is used for detecting the insulation performance of the fuel cell system and improving the high-voltage safety;
the pre-charging circuit 1 is connected in series with the positive end of the FCS-DCH output interface circuit and is used for pre-charging the air pump controller in a high-voltage branch module at high voltage, and can be selectively assembled according to whether the air pump controller is provided with the pre-charging circuit or not, the pre-charging circuit 2 is connected in series with the positive end of the FC output interface circuit and is used for pre-charging the FCS-DCH at high voltage, and can be selectively assembled according to whether the FCS-DCH input end is provided with the pre-charging circuit or not;
the power diode 1 is connected in series at the top end of the positive pole of the FCS-DCH output interface circuit, current can only flow from the FC output interface circuit to the power battery interface circuit and the high-voltage branch circuit module, the purpose is to prevent the power battery current from being overlarge, pull down the high-voltage value of the whole vehicle, easily report high-voltage pre-charging faults, and damage hardware such as the DCH and a power battery fuse, the diode can be selected according to whether the FCS-DCH output interface circuit has the pre-charging circuit, the power diode 2 is connected in series between the pre-charging circuit 2 and the high-voltage branch circuit module, and the power battery interface circuit or the FC output interface circuit current is prevented from impacting the FC output interface circuit and damaging the fuel.
Referring to fig. 1, the fuel cell system further comprises a heater, the heater is arranged in the high-voltage branch module, the heater in the high-voltage branch module can enable the fuel cell to be started at a low temperature or to be maintained in a stable temperature range, and meanwhile, when the whole vehicle has the most serious fault, even if the whole vehicle is disconnected at a high voltage, the heater can continuously consume the current released by the chemical reaction of the fuel cell until the chemical reaction is completed, so that the system can be protected from being damaged, the heater Relay is controlled by the fuel cell control module, and the fuel cell system further comprises a plurality of relays (Relay) and a plurality of Fuses (FU), and the plurality of relays (Relay) can be controlled by the.
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 covered by the scope of the present invention by the technical solutions and the practical concepts equivalent to or modified from the technical solutions and the practical concepts of the present invention.
Claims (6)
1. A high-voltage distribution box control circuit of a hydrogen fuel cell system is characterized by comprising a fuel cell control module, an insulation detection module, a high-voltage branch module, a power cell interface circuit, an FCS-DCH output interface circuit, an FCS-DCH input interface circuit, an FC output interface circuit, a pre-charging circuit 1, a pre-charging circuit 2, a power diode 1 and a power diode 2;
the power battery interface circuit is in butt joint with the whole vehicle;
the FCS-DCH output interface circuit is a fuel cell system boosting DCDC high-voltage output interface and is connected with the power cell interface circuit in parallel;
the FC output interface circuit is an electric energy output interface generated after the chemical reaction of the fuel cell;
the FCS-DCH input interface circuit is a fuel cell system boosting DCDC high-voltage input interface and is connected with the FC output interface circuit in series;
the fuel cell control module controls and detects the work of the FC system;
the insulation detection module is used for detecting the insulation performance of the fuel cell system and improving the high-voltage safety;
the pre-charging circuit 1 is connected in series with the positive end of the FCS-DCH output interface circuit, is used for pre-charging the air pump controller in the high-voltage branch module when the air pump controller is under high voltage, and can be selectively mounted according to whether the air pump controller is provided with the pre-charging circuit.
2. The control circuit of the high-voltage distribution box of the hydrogen fuel cell system according to claim 1, wherein the pre-charging circuit 2 is connected in series with the positive terminal of the FC output interface circuit, and is used for pre-charging at a high voltage on the FCs-DCH input, and the pre-charging circuit is selectively installed according to whether the FCs-DCH input is provided with the pre-charging circuit.
3. The control circuit of the high-voltage distribution box of the hydrogen fuel cell system according to claim 1, wherein the power diode 1 is connected in series at the top end of the positive pole of the FCS-DCH output interface circuit, and the current can only flow from the FC output interface circuit to the power cell interface circuit and the high-voltage branch module, so as to prevent the power cell from excessively flowing, reduce the high-voltage value of the entire vehicle, easily report the high-voltage pre-charging fault, and damage hardware such as DCH and power cell fuses.
4. The control circuit of the high-voltage distribution box of the hydrogen fuel cell system according to claim 1, wherein the power diode 2 is connected in series between the pre-charging circuit 2 and the high-voltage branch module to prevent the power cell interface circuit or the FC output interface circuit from current impact on the FC output interface circuit and damage the fuel cell.
5. The hydrogen fuel cell system hv power distribution box control circuit of claim 1, further comprising a heater;
the heater is arranged in the high-voltage branch module;
the heater in the high-voltage branch module can start the fuel cell at low temperature or maintain the fuel cell in a stable temperature range, and meanwhile, when the whole vehicle has the most serious fault, even if the whole vehicle is disconnected at high voltage, the heater can continuously consume the current released by the chemical reaction of the fuel cell until the chemical reaction is finished, so that the system can be protected from being damaged, and the heater relay is controlled by the fuel cell control module.
6. The control circuit of the high-voltage distribution box of the hydrogen fuel cell system according to claim 1, further comprising a plurality of relays (Relay), a plurality of Fuses (FU);
several of the relays (relays) may be controlled by a fuel cell control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662851.0U CN211032206U (en) | 2019-05-10 | 2019-05-10 | Control circuit for high-voltage distribution box of hydrogen fuel cell system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662851.0U CN211032206U (en) | 2019-05-10 | 2019-05-10 | Control circuit for high-voltage distribution box of hydrogen fuel cell system |
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| CN211032206U true CN211032206U (en) | 2020-07-17 |
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| CN201920662851.0U Active CN211032206U (en) | 2019-05-10 | 2019-05-10 | Control circuit for high-voltage distribution box of hydrogen fuel cell system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053492A (en) * | 2019-05-10 | 2019-07-26 | 武汉格罗夫氢能汽车有限公司 | A kind of hydrogen fuel cell system high-tension distribution box control circuit |
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2019
- 2019-05-10 CN CN201920662851.0U patent/CN211032206U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053492A (en) * | 2019-05-10 | 2019-07-26 | 武汉格罗夫氢能汽车有限公司 | A kind of hydrogen fuel cell system high-tension distribution box control circuit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210531 Address after: 046000 7th floor, block a, Yuecheng financial service center, No.36 zhuomaxi street, Changzhi City, Shanxi Province Patentee after: Zhongji hydrogen energy automobile (Changzhi) Co.,Ltd. Address before: Room 101, 1 / F, building 13, phase I, industrial incubation base, east of future third road and south of Keji fifth road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: WUHAN LUOGEFU HYDROGEN ENERGY AUTOMOBILE Co.,Ltd. |
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