CN109878490A - Super capacitor system for vehicle auxiliary braking - Google Patents
Super capacitor system for vehicle auxiliary braking Download PDFInfo
- Publication number
- CN109878490A CN109878490A CN201910141938.8A CN201910141938A CN109878490A CN 109878490 A CN109878490 A CN 109878490A CN 201910141938 A CN201910141938 A CN 201910141938A CN 109878490 A CN109878490 A CN 109878490A
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- Prior art keywords
- energy
- storage module
- vehicle
- auxiliary braking
- super capacitor
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of super capacitor systems for vehicle auxiliary braking comprising the first energy-storage module, the second energy-storage module and supercapacitor control unit；First energy-storage module and the second energy-storage module are connected in parallel, and are all connected to the supercapacitor control unit；The transmission system of motor and vehicle is of coupled connections, and the motor is connect with inverter circuit, and the inverter is connected respectively at first energy-storage module and the second energy-storage module；Supercapacitor control unit carries out the interleaved power auxiliary braking of the first energy-storage module and the second energy-storage module according to the brake signal that vehicle control device inputs.Super capacitor system for vehicle auxiliary braking of the invention generates damping torque to the recycling of braking energy and power supply to realize vehicle auxiliary braking by supercapacitor, improves braking efficiency, reduce customer using cost.
Description
Technical field
The present invention relates to vehicle brake technology fields, more particularly to a kind of supercapacitor for vehicle auxiliary braking
System.
Background technique
At present commercial vehicle application auxiliary braking by retarder auxiliary braking, exhaust auxiliary braking, engine auxiliary braking,
Cumbersome, braking energy mostly dissipates in the form of heat.
Such as Chinese utility model patent CN201784603U, CN203267801U and CN205315129U, and China
Patent of invention open file CN106143473A is vehicle auxiliary braking system using the above structure.
Although kinetic energy recovery system exists in the prior art, such as battery-motor kinetic energy recovery system, at vehicle
When long descending section, auxiliary braking low efficiency, for commercial vehicle, effect is worse.
Summary of the invention
It is an object of the present invention to provide a kind of super capacitor systems for vehicle auxiliary braking, and which raises brakings to imitate
Rate reduces the use cost of user.
The present invention solves technical problem and adopts the following technical scheme that a kind of supercapacitor system for vehicle auxiliary braking
System comprising the first energy-storage module, the second energy-storage module and supercapacitor control unit；
Second energy-storage module is identical as the structure of the first energy-storage module, and first energy-storage module and the second storage
Energy wired in parallel connection, is all connected to the supercapacitor control unit；
The transmission system of motor and vehicle is of coupled connections, and the motor is connect with inverter circuit, the inverter difference
It is connected in first energy-storage module and the second energy-storage module；
The vehicle launch status signal that supercapacitor control unit is inputted according to entire car controller controls the first energy storage mould
Block or/and the second energy-storage module are vehicle driving, acceleration and climbing power supply；The supercapacitor control unit is according to vehicle control
The brake signal of device input processed carries out the interleaved power auxiliary braking of the first energy-storage module and the second energy-storage module.
Optionally, the first energy-storage module is made of 8 super capacitor module series connections, and each mould group is super by 18
Capacitor monomer, which is connected in series, to be constituted.
Optionally, the vehicle running state signal that supercapacitor control unit is inputted according to entire car controller, compares vehicle
Travel needed for power PreqWith vehicle motor or/and power motor power PmaxIf Pmax< Preq, determine: (1) super capacitor
First energy-storage module of device system and the voltage status U of the second energy-storage moduleSOV>=268V, (2) state of temperature (T): -30~65
℃；If meeting (1) and (2), supercapacitor control unit controls the first energy-storage module or/and the second energy-storage module is vehicle row
It sails, accelerate and climbs power supply；Otherwise, fault diagnosis is carried out.
Optionally, if Pmax≥Preq, determine the first energy-storage module of super capacitor system and the electricity of the second energy-storage module
Pressure condition USOVAnd state of temperature T；
1. the first energy-storage module voltage status USOV: USOV< 364V；
2. the first energy-storage module state of temperature T:-30~65 DEG C；
3. the second energy-storage module voltage status USOV: USOV< 364V；
4. the second energy-storage module state of temperature T:-30~65 DEG C；
1. and 2. if meeting, the first energy-storage module recovers energy, and voltage is charged to 364V；If meeting 2., it is unsatisfactory for 1., first
Energy-storage module power supply generates damping torque, auxiliary braking；If being unsatisfactory for 2., the first energy-storage module fault diagnosis；
3. and 4. if meeting, the second energy-storage module recovers energy, and voltage is charged to 364V；If meeting 4., it is unsatisfactory for 3., second
Energy-storage module power supply generates damping torque, auxiliary braking；If being unsatisfactory for 4., the second energy-storage module fault diagnosis；
When the first energy-storage module and the second energy-storage module discharge or charge simultaneously, fault diagnosis is carried out.
The invention has the following beneficial effects: the super capacitor systems for vehicle auxiliary braking of the invention, pass through
Supercapacitor generates damping torque to the recycling and power supply of braking energy to realize vehicle auxiliary braking, improves braking effect
Rate reduces customer using cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the super capacitor system for vehicle auxiliary braking of the invention；
Specific embodiment
Technical solution of the present invention is further elaborated below with reference to examples and drawings.
Embodiment 1
Present embodiments provide a kind of super capacitor system for vehicle auxiliary braking comprising the first energy storage mould
Block, the second energy-storage module and supercapacitor control unit.
In the present embodiment, the first energy-storage module voltage rating is 384V, is gone here and there by 8 super capacitor modules (48V 165F)
Connection connects and composes, and each mould group is made of 18 supercapacitor monomers (2.7V 3000F) series connection；And described first
Energy-storage module further includes acquisition/electricity of monitoring supercapacitor device monomer and the sensor of temperature, and realizes that monomer is balanced
Circuit.
Second energy-storage module is identical as the structure of the first energy-storage module, and first energy-storage module and the second storage
Energy wired in parallel connection, is all connected to the supercapacitor control unit.
And the transmission system of motor and vehicle is of coupled connections, and the motor is connect with inverter circuit, the inverter
It is connected respectively at first energy-storage module and the second energy-storage module.
The brake signal that the supercapacitor control unit is inputted according to vehicle control device carry out the first energy-storage module and
The interleaved power auxiliary braking of second energy-storage module.
Specifically, the vehicle launch status signal that supercapacitor control unit is inputted according to entire car controller determines super
Grade the first energy-storage module of capacitor system and the voltage status (U of the second energy-storage moduleSOV) and state of temperature (T).
The vehicle running state signal that supercapacitor control unit is inputted according to entire car controller compares vehicle driving institute
Need power PreqWith vehicle motor or/and power motor power PmaxIf Pmax< Preq, determine: (1) super capacitor system
The voltage status U of first energy-storage module and the second energy-storage moduleSOV>=268V, (2) state of temperature (T): -30~65 DEG C.
If meeting (1) and (2), the first energy-storage module or/and the second energy-storage module are that vehicle driving, acceleration and climbing supply
Electricity；Otherwise, fault diagnosis is carried out.
Otherwise (Pmax≥Preq, i.e. vehicle is in on-position), determine super capacitor system the first energy-storage module and
Voltage status (the U of second energy-storage moduleSOV) and state of temperature (T).
That is, determining:
1. the first energy-storage module voltage status (USOV): USOV< 364V；
2. the first energy-storage module state of temperature (T): -30~65 DEG C；
3. the second energy-storage module voltage status (USOV): USOV< 364V；
4. the second energy-storage module state of temperature (T): -30~65 DEG C；
1. and 2. if meeting, the first energy-storage module recovers energy, and voltage is charged to 364V；If meeting 2., it is unsatisfactory for 1., first
Energy-storage module power supply generates damping torque, auxiliary braking；If being unsatisfactory for 2., the first energy-storage module fault diagnosis；
3. and 4. if meeting, the second energy-storage module recovers energy, and voltage is charged to 364V；If meeting 4., it is unsatisfactory for 3., second
Energy-storage module power supply generates damping torque, auxiliary braking；If being unsatisfactory for 4., the second energy-storage module fault diagnosis；
When the first energy-storage module and the second energy-storage module discharge or charge simultaneously, fault diagnosis is carried out.
Wherein, above-mentioned 268V (Ulim) it is the 70% of the first energy-storage module voltage rating, above-mentioned 364V (US) it is the first energy storage
The 95% of module voltage rating.
The sequencing of above embodiments is not only for ease of description, represent the advantages or disadvantages of the embodiments.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (4)
1. a kind of super capacitor system for vehicle auxiliary braking, which is characterized in that including the first energy-storage module, the second storage
It can module and supercapacitor control unit；
Second energy-storage module is identical as the structure of the first energy-storage module, and first energy-storage module and the second energy storage mould
Block is connected in parallel, and is all connected to the supercapacitor control unit；
The transmission system of motor and vehicle is of coupled connections, and the motor is connect with inverter circuit, and the inverter is respectively at institute
State the first energy-storage module and the connection of the second energy-storage module；
The vehicle launch status signal that supercapacitor control unit is inputted according to entire car controller controls the first energy-storage module
Or/and second energy-storage module be vehicle driving, acceleration and climbing power supply；The supercapacitor control unit is according to vehicle control
The brake signal of device input carries out the interleaved power auxiliary braking of the first energy-storage module and the second energy-storage module.
2. the super capacitor system according to claim 1 for vehicle auxiliary braking, which is characterized in that the first energy storage
Module is made of 8 super capacitor module series connections, and each mould group is connected and composed by 18 supercapacitors are monomer series-connected.
3. the super capacitor system according to claim 2 for vehicle auxiliary braking, which is characterized in that super capacitor
The vehicle running state signal that device control unit is inputted according to entire car controller, compares power P needed for vehicle drivingreqWith vehicle
Engine or/and power motor power PmaxIf Pmax< Preq, determine: (1) the first energy-storage module of super capacitor system and
The voltage status U of second energy-storage moduleSOV>=268V, (2) state of temperature (T): -30~65 DEG C；It is super if meeting (1) and (2)
Capacitor control unit controls the first energy-storage module or/and the second energy-storage module is vehicle driving, acceleration and climbing power supply；It is no
Then, fault diagnosis is carried out.
4. the super capacitor system according to claim 1 for vehicle auxiliary braking, which is characterized in that if Pmax≥
Preq, determine the first energy-storage module of super capacitor system and the voltage status U of the second energy-storage moduleSOVAnd state of temperature T；
1. the first energy-storage module voltage status USOV: USOV< 364V；
2. the first energy-storage module state of temperature T:-30~65 DEG C；
3. the second energy-storage module voltage status USOV: USOV< 364V；
4. the second energy-storage module state of temperature T:-30~65 DEG C；
1. and 2. if meeting, the first energy-storage module recovers energy, and voltage is charged to 364V；If meeting 2., it is unsatisfactory for 1., the first energy storage
Module for power supply generates damping torque, auxiliary braking；If being unsatisfactory for 2., the first energy-storage module fault diagnosis；
3. and 4. if meeting, the second energy-storage module recovers energy, and voltage is charged to 364V；If meeting 4., it is unsatisfactory for 3., the second energy storage
Module for power supply generates damping torque, auxiliary braking；If being unsatisfactory for 4., the second energy-storage module fault diagnosis；
When the first energy-storage module and the second energy-storage module discharge or charge simultaneously, fault diagnosis is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910141938.8A CN109878490A (en) | 2019-02-26 | 2019-02-26 | Super capacitor system for vehicle auxiliary braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910141938.8A CN109878490A (en) | 2019-02-26 | 2019-02-26 | Super capacitor system for vehicle auxiliary braking |
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| Publication Number | Publication Date |
|---|---|
| CN109878490A true CN109878490A (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910141938.8A Pending CN109878490A (en) | 2019-02-26 | 2019-02-26 | Super capacitor system for vehicle auxiliary braking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112550254A (en) * | 2019-09-10 | 2021-03-26 | 瀚德万安(上海)电控制动系统有限公司 | Electromechanical brake system and control method thereof |
| CN112744285A (en) * | 2019-10-31 | 2021-05-04 | 郑州宇通重工有限公司 | Pure electric sanitation vehicle and vehicle steering system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515462A (en) * | 2017-01-03 | 2017-03-22 | 北京长安汽车工程技术研究有限责任公司 | Brake control method, brake control device and brake system for electric vehicle |
| CN107284380A (en) * | 2017-05-26 | 2017-10-24 | 中国第汽车股份有限公司 | A kind of super capacitor system reclaimed for vehicle braking energy |
| US20180093572A1 (en) * | 2016-09-30 | 2018-04-05 | Faraday&Future Inc. | Regenerative braking control method and system |
| CN108790942A (en) * | 2018-06-06 | 2018-11-13 | 深圳飞亮智能科技有限公司 | The electronic parking control method and its system of wheeled tool |
-
2019
- 2019-02-26 CN CN201910141938.8A patent/CN109878490A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180093572A1 (en) * | 2016-09-30 | 2018-04-05 | Faraday&Future Inc. | Regenerative braking control method and system |
| CN106515462A (en) * | 2017-01-03 | 2017-03-22 | 北京长安汽车工程技术研究有限责任公司 | Brake control method, brake control device and brake system for electric vehicle |
| CN107284380A (en) * | 2017-05-26 | 2017-10-24 | 中国第汽车股份有限公司 | A kind of super capacitor system reclaimed for vehicle braking energy |
| CN108790942A (en) * | 2018-06-06 | 2018-11-13 | 深圳飞亮智能科技有限公司 | The electronic parking control method and its system of wheeled tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112550254A (en) * | 2019-09-10 | 2021-03-26 | 瀚德万安(上海)电控制动系统有限公司 | Electromechanical brake system and control method thereof |
| CN112744285A (en) * | 2019-10-31 | 2021-05-04 | 郑州宇通重工有限公司 | Pure electric sanitation vehicle and vehicle steering system |
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Application publication date: 20190614 |
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