CN113352862B - Cooling water pump of electric automobile and electric automobile - Google Patents
Cooling water pump of electric automobile and electric automobile Download PDFInfo
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- CN113352862B CN113352862B CN202110750622.6A CN202110750622A CN113352862B CN 113352862 B CN113352862 B CN 113352862B CN 202110750622 A CN202110750622 A CN 202110750622A CN 113352862 B CN113352862 B CN 113352862B
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- energy feedback
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- 239000000498 cooling water Substances 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000011084 recovery Methods 0.000 claims abstract description 39
- 238000004146 energy storage Methods 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 84
- 230000033228 biological regulation Effects 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 16
- 239000000110 cooling liquid Substances 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 9
- 238000007599 discharging Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000002826 coolant Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009123 feedback regulation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0307—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using generators driven by a machine different from the vehicle motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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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
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The application discloses electric automobile's cooling water pump and electric automobile, wherein, electric automobile's cooling water pump includes: the water pump body is used for conveying cooling water for a driving motor and a power battery of the electric automobile; and the energy recovery device is used for collecting vibration energy generated by the cooling water pump when the cooling water is output, generating electric energy by utilizing the vibration energy, and storing the electric energy in the electric energy storage equipment so as to supply power to the electric automobile. Therefore, the function of normally conveying the pure electric automobile driving motor and the power battery pack high-pressure cooling liquid by the cooling water pump is not influenced, and meanwhile, the partial vibration energy of the water pump in the working process is recovered, so that the cooling water pump is green, energy-saving, convenient to popularize and use, and simple and easy to realize.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to a cooling water pump of an electric automobile and the electric automobile.
Background
At present, a cooling water pump of a pure electric vehicle is mainly used for conveying high-pressure cooling liquid for a driving motor and a power battery pack of the vehicle for cooling,
however, at present, no cooling water pump structure can recover part of vibration energy of the vehicle in the driving process on the premise of ensuring the performance of the cooling water pump structure, and a voltage stabilization regulating device, an electric energy storage device and the like corresponding to the vibration energy recovery device exist, and the limitation of the endurance mileage of the pure electric vehicle is a major bottleneck restricting the development of the pure electric vehicle.
Therefore, the electric energy of the pure electric vehicle is supplemented in the running process of the pure electric vehicle, and the method has certain positive significance for improving the endurance of the pure electric vehicle.
Content of application
The application provides an electric automobile's cooling water pump and electric automobile can retrieve the partial vibration energy of water pump in the course of the work again when not influencing cooling water pump and normally carry for pure electric automobile driving motor and power battery group high pressure coolant function, and green is energy-conserving, and convenient to popularize and use is simple easily to realize.
An embodiment of a first aspect of the present application provides a cooling water pump of an electric automobile, including:
the water pump body is used for conveying cooling water for a driving motor and a power battery of the electric automobile;
and the energy recovery device is used for collecting vibration energy generated when the cooling water pump outputs the cooling water, generating electric energy by utilizing the vibration energy, and storing the electric energy in an electric energy storage device to supply power to the electric automobile.
Further, the energy recovery apparatus includes:
and the water pump piezoelectric energy feedback unit is used for sensing the vibration energy to generate the electric energy.
Further, the method also comprises the following steps:
the base, the water pump body set up in on the base.
Further, comprising:
the water pump piezoelectric energy feedback unit is arranged in a cavity of the mounting seat, and the mounting seat is arranged on the water pump body.
Further, the energy recovery device further includes:
a controller, and a main piezoelectric energy feedback recovery subsystem device and a redundant piezoelectric energy feedback recovery subsystem device controlled by the controller, wherein,
the main piezoelectric energy feedback recovery subsystem device comprises an energy feedback voltage detection device and a water pump piezoelectric energy feedback unit, wherein the output end of the water pump piezoelectric energy feedback unit is connected with the input end of a rectifier, the output end of the rectifier is sequentially connected with the input end of a first voltage sensor, a first main energy feedback voltage regulating circuit and a second main voltage energy feedback regulating circuit, the first main energy feedback voltage regulating circuit is sequentially connected with a first MOS switch trigger driving module, a first DC-DC boosting module, a second MOS switch trigger driving module, a first super capacitor, a third MOS switch trigger driving module, a second DC-DC boosting module and a second super capacitor, and the second main energy feedback voltage regulating circuit is sequentially connected with a fourth MOS switch trigger driving module, a third DC-DC boosting module, a fifth MOS switch trigger driving module, a second super capacitor, a sixth MOS switch trigger driving module, a fourth DC-DC boosting module and a storage battery;
the redundant piezoelectric energy feedback recovery subsystem device comprises an energy feedback voltage detection device, a first redundant energy feedback voltage regulating circuit and a second redundant energy feedback voltage regulating circuit, wherein the first redundant energy feedback voltage regulating circuit is sequentially connected with a seventh MOS (metal oxide semiconductor) switch trigger driving module, a fourth super capacitor, an eighth MOS switch trigger driving module, a fifth DC-DC boosting module and a third super capacitor, the input end of the seventh MOS switch trigger driving module of the first redundant energy feedback voltage regulating circuit is connected with the output end of the first DC-DC boosting module, the second redundant energy feedback voltage regulating circuit is sequentially connected with a ninth MOS switch trigger driving module, a third super capacitor, a tenth MOS switch trigger driving module, a sixth DC-DC boosting module and the storage battery, and the input end of the ninth MOS switch trigger driving module of the second redundant energy feedback voltage regulating circuit is connected with the output end of the third DC-DC boosting module;
the input end of the controller is sequentially connected with a second voltage sensor used for detecting the terminal voltage of the first super capacitor, a third voltage sensor used for detecting the terminal voltage of the second super capacitor, a fourth voltage sensor used for detecting the terminal voltage of the fourth super capacitor, a fifth voltage sensor used for detecting the terminal voltage of the third super capacitor and a first voltage sensor used for detecting the output voltage of the rectifier in the main piezoelectric energy feedback recovery subsystem device;
the output end of the controller is sequentially connected with a first MOS switch trigger driving module, a second MOS switch trigger driving module, a third MOS switch trigger driving module, a fourth MOS switch trigger driving module, a fifth MOS switch trigger driving module, a sixth MOS switch trigger driving module, a first DC-DC boosting module, a third DC-DC boosting module, a fourth DC-DC boosting module, a second DC-DC boosting module, a seventh MOS switch trigger driving module, a ninth MOS switch trigger driving module, a tenth MOS switch trigger driving module, an eighth MOS switch trigger driving module, a sixth DC-DC boosting module and a fifth DC-DC boosting module in the main piezoelectric energy feedback recovery subsystem device.
Further, still include:
and the control bus is connected with the water pump piezoelectric energy feedback unit through a side end face through hole of the mounting seat.
Further, the method also comprises the following steps:
and the fastening bolt penetrates through the base and the through hole of the water pump piezoelectric energy feedback unit so as to fix the base on the front cabin beam.
In a second aspect of the present application, an embodiment provides an electric vehicle, which includes the above cooling water pump for an electric vehicle.
Therefore, the function of normally conveying the pure electric automobile driving motor and the power battery pack high-pressure cooling liquid by the cooling water pump is not influenced, and meanwhile, the partial vibration energy of the water pump in the working process is recovered, so that the cooling water pump is green, energy-saving, convenient to popularize and use, and simple and easy to realize.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a block diagram schematically illustrating a cooling water pump of an electric vehicle according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a cooling water pump of an energy-regenerative pure electric vehicle according to an embodiment of the present application;
FIG. 3 is a block diagram illustrating an energy recovery strategy for redundant control of an energy regenerative cooling water pump device according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present application and should not be construed as limiting the present application.
The cooling water pump for an electric vehicle and the electric vehicle according to the embodiment of the present application are described below with reference to the drawings. The application provides an electric automobile's cooling water pump can retrieve the partial vibration energy of water pump in the course of the work again when not influencing cooling water pump and normally carry for pure electric automobile driving motor and power battery group high pressure coolant liquid function, and green is energy-conserving, and convenient to popularize and use simply easily realizes.
Specifically, fig. 1 is a block schematic diagram of a cooling water pump of an electric vehicle according to an embodiment of the present application.
As shown in fig. 1, the cooling water pump 100 of the electric vehicle includes: a water pump body 1 and an energy recovery device 200.
The water pump body 1 is used for conveying cooling water for a driving motor and a power battery of an electric automobile; the energy recovery device 200 is used for collecting vibration energy generated when the cooling water pump outputs cooling water, generating electric energy by using the vibration energy, and storing the electric energy in the electric energy storage device so as to supply power to the electric automobile.
Further, in some embodiments, the cooling water pump 100 of the electric vehicle further includes: the base 6, the water pump body 1 sets up on base 6.
Further, in some embodiments, the cooling water pump 100 of the electric vehicle further includes: the mounting seat 5, the water pump piezoelectric energy feedback unit 2 are arranged in the cavity of the mounting seat 5, and the mounting seat 5 is arranged on the water pump body 1.
Further, in some embodiments, the cooling water pump of an electric vehicle further includes: and the control bus 3 is connected with the water pump piezoelectric energy feedback unit 2 through a side end face through hole of the mounting seat 5.
Further, in some embodiments, the cooling water pump of an electric vehicle further includes: and the fastening bolt 7, the fastening bolt 7 passes through the base 6 and the through hole of the water pump piezoelectric energy feedback unit 2 so as to fix the base 6 on the front cabin beam.
It should be understood that, as shown in fig. 2, the cooling water pump 100 may include a cooling water pump body 1, a base 6, and a mount 5. Wherein, base 6 can be cooling water pump rubber base, and the inner chamber of mount pad 5 is provided with the water pump piezoelectricity and presents energy unit 2, and the upper surface that the energy unit 2 was presented to the water pump piezoelectricity is provided with base 6, and water pump body 1 utilizes fastening screw 8 to be fixed in on the base 6.
Further, in some embodiments, the energy recovery device 200 comprises: and the water pump piezoelectric energy feedback unit is used for sensing vibration energy to generate electric energy.
Further, in some embodiments, as shown in fig. 3, the energy recovery device 200 further comprises: the controller 19 and the main piezoelectric energy feedback recovery subsystem device and the redundant piezoelectric energy feedback recovery subsystem device controlled by the controller 19, wherein the main piezoelectric energy feedback recovery subsystem device comprises an energy feedback voltage detection device and a water pump piezoelectric energy feedback unit 2, the output end of the water pump piezoelectric energy feedback unit 2 is connected with the input end of a rectifier 34, the output end of the rectifier 34 is sequentially connected with the input end of a first voltage sensor 9, a first main energy feedback voltage regulation circuit and a second main voltage energy feedback regulation circuit, the first main energy feedback voltage regulation circuit is sequentially connected with a first MOS switch trigger driving module 10, a first DC-DC boosting module 11, a second MOS switch trigger driving module 35, a first super capacitor 12, a third MOS switch trigger driving module 13, a second DC-DC module 14 and a second super capacitor 17, and the second main energy feedback voltage regulation circuit is sequentially connected with a fourth MOS switch trigger driving module 15, a third DC-DC boosting module 16, a fifth MOS switch trigger driving module 36, a second super capacitor 17, a sixth MOS switch trigger driving module 18, a fourth DC-DC boost module 22 and a storage battery 22; the redundant piezoelectric energy feedback recovery subsystem device comprises an energy feedback voltage detection device, a first redundant energy feedback voltage regulation circuit and a second redundant energy feedback voltage regulation circuit, wherein the first redundant energy feedback voltage regulation circuit is sequentially connected with a seventh MOS switch trigger driving module 30, a fourth super capacitor 31, an eighth MOS switch trigger driving module 32, a fifth DC-DC boosting module 33 and a third super capacitor 28, the input end of the seventh MOS switch trigger driving module 30 of the first redundant energy feedback voltage regulation circuit is connected with the output end of the first DC-DC boosting module 11, the second redundant energy feedback voltage regulation circuit is sequentially connected with a ninth MOS switch trigger driving module 27, a third super capacitor 28, a tenth MOS switch trigger driving module 29, a sixth DC-DC boosting module 26 and a storage battery 23, and the input end of the ninth MOS switch trigger driving module 27 of the second redundant energy feedback voltage regulation circuit is connected with the output end of the third DC-DC boosting module 16; the input end of the controller 19 is sequentially connected with a second voltage sensor 21 for detecting the terminal voltage of the first super capacitor 12, a third voltage sensor 20 for detecting the terminal voltage of the second super capacitor 17, a fourth voltage sensor 25 for detecting the terminal voltage of the fourth super capacitor 31, a fifth voltage sensor 24 for detecting the terminal voltage of the third super capacitor 28 and a first voltage sensor 9 for detecting the output voltage of the rectifier 34 in the main piezoelectric energy feedback recovery subsystem device; the output end of the controller 19 is sequentially connected with a first MOS switch trigger driving module 10, a second MOS switch trigger driving module 35, a third MOS switch trigger driving module 13, a fourth MOS switch trigger driving module 15, a fifth MOS switch trigger driving module 36, a sixth MOS switch trigger driving module 18, a first DC-DC boosting module 11, a third DC-DC boosting module 16, a fourth DC-DC boosting module 22, a second DC-DC boosting module 14, a seventh MOS switch trigger driving module 30, a ninth MOS switch trigger driving module 27, a tenth MOS switch trigger driving module 29, an eighth MOS switch trigger driving module 32, a sixth DC-DC boosting module 26, and a fifth DC-DC boosting module 33 in the main piezoelectric feedback energy recovery subsystem device.
In order to further understand the cooling water pump of the electric vehicle according to the embodiment of the present application, the following detailed description is provided with reference to fig. 2 and fig. 3.
Specifically, fig. 2 is a schematic structural diagram of a cooling water pump of an energy-regenerative pure electric vehicle; fig. 3 is a block diagram of a redundant control energy recovery strategy of an energy feedback type cooling water pump device, mainly involving the following parts: the water pump comprises a water pump body 1, a water pump piezoelectric energy feedback unit 2, a control bus 3, a vehicle front cabin beam 4, a mounting seat 5, a base 6, a fastening bolt 7, a fastening bolt 8, a first voltage sensor 9, a first MOS switch trigger driving module 10, a first DC-DC boosting module 11, a first super capacitor 12, a third MOS switch trigger driving module 13, a second DC-DC boosting module 14, a fourth MOS switch trigger driving module 15, a third DC-DC boosting module 16, a second super capacitor 17, a sixth MOS switch trigger driving module 18, a controller 19, a third voltage sensor 20, a second voltage sensor 21, a fourth DC-DC boosting module 22, a storage battery 23, a fifth voltage sensor 24, a fourth voltage sensor 25, a sixth DC-DC boosting module 26, a ninth MOS switch trigger driving module 27, a third super capacitor 28, a tenth MOS switch trigger driving module 29, a seventh MOS switch trigger driving module 30, a fourth super capacitor 31, an eighth MOS switch trigger driving module 32, a fifth MOS switch trigger driving module 27, a fifth MOS switch trigger driving module 33, a fifth MOS switch trigger driving module 35, a fifth MOS switch trigger driving module 36 and a fifth MOS switch trigger driving module 36.
Specifically, when a pure electric vehicle runs, the temperature of a driving motor and a power battery pack rises, the water pump body 1 can be conveyed to the driving motor and high-pressure cooling liquid of the power battery pack, the water pump can generate variable vibration by the body 1, the variable vibration generated by the water pump body 1 is converted into variable force acting on the upper surface of the water pump piezoelectric energy feedback unit 2 through the transmission action of the base 6, the water pump piezoelectric energy feedback unit 2 generates an electric polarization phenomenon under the action of the variable acting force, and further can generate induction current, the induction current firstly rectifies and filters the current through the rectifier to enable the current to become stable direct current, and the controller 19 monitors the voltage value V output by the rectifier 34 detected by the first voltage sensor 9 in real time 00 The second voltage sensor 21 detects the voltage value V at the end of the first super capacitor 12 1 Third voltage sensingThe device 20 detects the voltage value V at the end of the second super capacitor 17 2 And the controller 19 determines whether to perform the following two determinations: voltage value V 00 And a set voltage value V s Magnitude between, voltage value V 1 、V 2 Respectively corresponding to the set voltage value V 11 、V 22 The main piezoelectric energy feedback recovery subsystem device and the redundant piezoelectric energy feedback recovery subsystem device are coordinated and controlled to recover the electric energy generated by the piezoelectric energy feedback unit 2 of the water pump;
the specific method for the controller 19 to coordinate and control the main piezoelectric energy feedback recovery subsystem device and the redundant piezoelectric energy feedback recovery subsystem device to recover the electric energy generated by the piezoelectric energy feedback unit 2 of the water pump is as follows:
when the vehicle enters a driving state, the controller 19 firstly controls the main piezoelectric energy feedback recovery subsystem device to recover the piezoelectric energy feedback unit 2 of the water pump to generate electric energy, and when the controller 19 meets the following three conditions according to the voltage detection signal and the energy feedback type cooling water pump system device: (1) v 00 ≤V s 、②V 1 ＜V 11 、V 2 ＜V 22 (3) the first super capacitor 12 does not enter a discharging state, the second super capacitor 17 does not enter the discharging state, the controller 19 controls the first MOS switch trigger driving module 10 to be switched on, the second MOS switch trigger driving module 35 to be switched on, the fourth MOS switch trigger driving module 15 to be switched off, and the seventh MOS switch trigger driving module 30 to be switched off, the voltage output by the rectifier 34 is boosted by the first DC-DC boosting module 11 and then temporarily stored in the first super capacitor 12, and the controller 19 judges whether the voltage value of the first super capacitor 12 reaches the set voltage value V according to the fact that the second voltage sensor 21 detects the voltage value of the first super capacitor 12 in real time 11 And when the voltage value of the first super capacitor 12 reaches the set voltage value V for starting to charge the second super capacitor 17 11 When the voltage value of the first super capacitor 12 is smaller than the set voltage value V for stopping charging the second super capacitor 17, the controller 19 controls the third MOS switch trigger driving module 13 to be switched on, the voltage output by the first super capacitor 12 is boosted by the second DC-DC boosting module 14 and then temporarily stored in the second super capacitor 17, and when the voltage value of the first super capacitor 12 is smaller than the set voltage value V for stopping charging the second super capacitor 17 12 When the third MOS switch is triggered, the controller 19 controls the third MOS switch to be drivenThe module 13 is disconnected and the first supercapacitor 12 stops charging the second supercapacitor 17; when the controller 19 satisfies the following three conditions according to the voltage detection signal and the energy feedback type cooling water pump device: (1) v 00 ＞V s 、②V 1 ＜V 11 、V 2 ＜V 22 (3) the first super capacitor 12 does not enter a discharging state and the second super capacitor 17 does not enter the discharging state, the controller 19 controls the fourth MOS switch trigger driving module 15 to be switched on, the fifth MOS switch trigger driving module 36 to be switched on, the first MOS switch trigger driving module 10 to be switched off, the ninth MOS switch trigger driving module 27 to be switched off, and the voltage output by the rectifier 34 is boosted by the third DC-DC boosting module 16 and then temporarily stored in the second super capacitor 17; at the same time, the controller 19 determines whether the voltage value of the second super capacitor 17 reaches the set voltage V according to the voltage value of the second super capacitor 17 detected by the third voltage sensor 20 22 When the voltage value of the second super capacitor 17 reaches the set voltage value V for starting charging the storage battery 23 22 When the voltage value of the second super capacitor 17 is smaller than the set voltage value V for stopping charging the storage battery 23, the controller 19 controls the sixth MOS switch trigger driving module 18 to be switched on, the voltage output by the second super capacitor 17 is boosted by the fourth DC-DC boosting module 22 and then charges the storage battery 23, and when the voltage value of the second super capacitor 17 is smaller than the set voltage value V for stopping charging the storage battery 23 23 When the charging is finished, the controller 19 controls the sixth MOS switch to trigger the driving module 18 to be disconnected, and the second super capacitor 17 stops charging the storage battery 23;
when the vehicle enters a driving state, the first super capacitor 12 in the main piezoelectric energy feedback recovery subsystem device enters a discharging state or the second super capacitor 17 enters a discharging state, at this time, the controller 19 controls the redundant piezoelectric energy feedback recovery subsystem device to recover the piezoelectric energy feedback unit 2 of the water pump to generate electric energy, and when the controller 19 meets the following two conditions according to the voltage detection signal and the energy feedback type cooling water pump device: (1) v 00 ≤V s (2) the first super capacitor 12 enters a discharging state and the terminal voltage value thereof is not less than V 11 Or the second super capacitor 17 has entered the discharge state and its terminal voltage value is not less than V 23 The controller 19 controls the first MOS switch trigger driving module 10 to be turned on, the seventh MOS switch trigger driving module 30 to be turned on,The second MOS switch trigger driving module 35 is turned off, the fourth MOS switch trigger driving module 15 is turned off, the voltage output by the rectifier 34 is boosted by the first DC-DC boosting module 11 and then temporarily stored in the fourth super capacitor 31, and the controller 19 determines whether the voltage value of the fourth super capacitor 31 reaches the set voltage value V according to the voltage value of the fourth super capacitor 31 detected by the fourth voltage sensor 25 in real time 11 And when the voltage value of the fourth super capacitor 31 reaches the set voltage value V for starting to charge the third super capacitor 28 11 When the voltage value of the fourth super capacitor 31 is smaller than the set voltage value V for stopping charging the third super capacitor 28, the controller 19 controls the eighth MOS switch trigger driving module 32 to be turned on, the voltage output by the fourth super capacitor 31 is boosted by the fifth DC-DC boosting module 33 and then temporarily stored in the third super capacitor 28 12 When the voltage is applied to the third super capacitor 28, the controller 19 controls the eighth MOS switch to trigger the driving module 32 to turn off, and the fourth super capacitor 31 stops charging the eighth MOS switch; when the controller 19 meets the following two conditions according to the voltage detection signal and the energy feedback type pure electric vehicle cooling water pump device: (1) v 00 ＞V s (2) the first super capacitor 12 enters a discharging state and the terminal voltage value thereof is not less than V 11 Or the second super capacitor 17 has entered the discharge state and its terminal voltage value is not less than V 23 The controller 19 controls the fourth MOS switch trigger driving module 15 to be turned on, the ninth MOS switch trigger driving module 27 to be turned on, the first MOS switch trigger driving module 10 to be turned off, and the fifth MOS switch trigger driving module 36 to be turned off, and the voltage output by the rectifier 34 is boosted by the third DC-DC boosting module 16 and then temporarily stored in the third super capacitor 28; meanwhile, the controller 19 determines whether the voltage value of the third super capacitor 28 reaches the set voltage V according to the voltage value of the third super capacitor 28 detected by the fifth voltage sensor 24 22 When the voltage value of the third super capacitor 28 reaches the set voltage value V for starting charging the storage battery 23 22 When the voltage value of the third super capacitor 28 is smaller than the set voltage value, the controller 19 controls the tenth MOS switch to trigger the driving module 29 to be switched on, the voltage output by the third super capacitor 28 is boosted by the sixth DC-DC boosting module 26 and then charges the storage battery 23, and when the voltage value of the third super capacitor 28 is smaller than the set voltage value, the charging of the storage battery 23 is stoppedElectric voltage value V 23 At this time, the controller 19 controls the tenth MOS switch to trigger the driving module 29 to turn off, and the third super capacitor 28 stops charging the storage battery 23.
In addition, the above V s 、V 11 、V 12 、V 22 And V 23 Can be set according to the actual situation, and is not particularly limited herein, preferably, V s ＝4V，V 11 ＝8V，V 12 ＝2，V 22 ＝10V，V 23 ＝6V。
According to the cooling water pump of the electric automobile provided by the embodiment of the application, the partial vibration energy of the water pump in the working process can be recycled while the function of normally conveying the high-pressure cooling liquid to the pure electric automobile driving motor and the power battery pack by the cooling water pump is not influenced, and the cooling water pump is green, energy-saving, convenient to popularize and use and simple and easy to realize.
In addition, this application embodiment still provides an electric automobile, and this electric automobile includes foretell electric automobile's cooling water pump.
According to the electric automobile that this application embodiment provided, through foretell electric automobile's cooling water pump, can retrieve the partial vibration energy of water pump in the course of the work again when not influencing cooling water pump and normally carry for pure electric automobile driving motor and power battery group high pressure coolant function, green is energy-conserving, convenient to popularize and use, and is simple easily to realize.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or N embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "N" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more N executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of implementing the embodiments of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the N steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are well known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
Claims (6)
1. A cooling water pump of an electric vehicle, characterized by comprising:
the water pump body is used for conveying cooling water for a driving motor and a power battery of the electric automobile;
the energy recovery device is used for collecting vibration energy generated by the cooling water pump when the cooling water is output, generating electric energy by utilizing the vibration energy, and storing the electric energy in an electric energy storage device to supply power to the electric automobile;
wherein the energy recovery device comprises: the water pump piezoelectric energy feedback unit is used for sensing the vibration energy to generate the electric energy;
the energy recovery device further includes: the controller and a main piezoelectric energy feedback recovery subsystem device and a redundant piezoelectric energy feedback recovery subsystem device controlled by the controller, wherein the main piezoelectric energy feedback recovery subsystem device comprises an energy feedback voltage detection device and a water pump piezoelectric energy feedback unit, the output end of the water pump piezoelectric energy feedback unit is connected with the input end of a rectifier, the output end of the rectifier is sequentially connected with the input end of a first voltage sensor, a first main energy feedback voltage regulating circuit and a second main voltage energy feedback regulating circuit, the first main energy feedback voltage regulating circuit is sequentially connected with a first MOS switch trigger driving module, a first DC-DC boosting module, a second MOS switch trigger driving module, a first super capacitor, a third MOS switch trigger driving module, a second DC-DC boosting module and a second super capacitor, and the second main voltage energy feedback regulating circuit is sequentially connected with a fourth MOS switch trigger driving module, a third DC-DC boosting module, a fifth MOS switch trigger driving module, a second super capacitor, a sixth MOS switch trigger driving module, a fourth DC-DC boosting module and a storage battery; the redundant piezoelectric energy feedback recovery subsystem device comprises an energy feedback voltage detection device, a first redundant energy feedback voltage regulation circuit and a second redundant energy feedback voltage regulation circuit, wherein the first redundant energy feedback voltage regulation circuit is sequentially connected with a seventh MOS switch trigger driving module, a fourth super capacitor, an eighth MOS switch trigger driving module, a fifth DC-DC boosting module and a third super capacitor, the input end of the seventh MOS switch trigger driving module of the first redundant energy feedback voltage regulation circuit is connected with the output end of the first DC-DC boosting module, the second redundant energy feedback voltage regulation circuit is sequentially connected with a ninth MOS switch trigger driving module, a third super capacitor, a tenth MOS switch trigger driving module, a sixth DC-DC boosting module and the storage battery, and the input end of the ninth MOS switch trigger driving module of the second redundant energy feedback voltage regulation circuit is connected with the output end of the third DC-DC boosting module; the input end of the controller is sequentially connected with a second voltage sensor used for detecting the terminal voltage of the first super capacitor, a third voltage sensor used for detecting the terminal voltage of the second super capacitor, a fourth voltage sensor used for detecting the terminal voltage of the fourth super capacitor, a fifth voltage sensor used for detecting the terminal voltage of the third super capacitor and a first voltage sensor used for detecting the output voltage of the rectifier in the main piezoelectric energy feedback recovery subsystem device; the output end of the controller is sequentially connected with a first MOS switch trigger driving module, a second MOS switch trigger driving module, a third MOS switch trigger driving module, a fourth MOS switch trigger driving module, a fifth MOS switch trigger driving module, a sixth MOS switch trigger driving module, a first DC-DC boosting module, a third DC-DC boosting module, a fourth DC-DC boosting module, a second DC-DC boosting module, a seventh MOS switch trigger driving module, a ninth MOS switch trigger driving module, a tenth MOS switch trigger driving module, an eighth MOS switch trigger driving module, a sixth DC-DC boosting module and a fifth DC-DC boosting module in the main piezoelectric energy feedback recovery subsystem device.
2. The cooling water pump of claim 1, further comprising:
the base, the water pump body set up in on the base.
3. The cooling water pump of claim 2, comprising:
the water pump piezoelectric energy feedback unit is arranged in a cavity of the mounting seat, and the mounting seat is arranged on the water pump body.
4. The cooling water pump of claim 3, further comprising:
and the control bus is connected with the water pump piezoelectric energy feedback unit through a side end face through hole of the mounting seat.
5. The cooling water pump of claim 4, further comprising:
and the fastening bolt penetrates through the base and the through hole of the water pump piezoelectric energy feedback unit so as to fix the base on the front cabin beam.
6. An electric vehicle, comprising: the cooling water pump for electric vehicles as claimed in any one of claims 1 to 5.
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| CN105790404A (en) * | 2016-03-14 | 2016-07-20 | 合肥工业大学 | Automobile engine vibration energy harvesting device based on piezoelectric materials |
| CN107069919A (en) * | 2017-06-16 | 2017-08-18 | 中国人民解放军装甲兵工程学院 | A kind of vehicle suspension system vibration energy recovery device |
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| CN1292930C (en) * | 2004-11-08 | 2007-01-03 | 西安交通大学 | Automobile vibrational energy piezo-electric generating method and system |
| CN102673355A (en) * | 2012-05-23 | 2012-09-19 | 东方电气集团东风电机有限公司 | Compact power assembly for electric automobile |
| CN103241131A (en) * | 2013-04-17 | 2013-08-14 | 苏州市职业大学 | Hybrid energy recycling method for blade electric vehicles |
| CN205417075U (en) * | 2016-03-30 | 2016-08-03 | 吉林大学 | Vehicle vibration energy recuperation device based on piezoelectric material |
| CN112895833B (en) * | 2021-02-05 | 2022-10-25 | 奇瑞新能源汽车股份有限公司 | Suspension actuator and method for controlling suspension actuator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790404A (en) * | 2016-03-14 | 2016-07-20 | 合肥工业大学 | Automobile engine vibration energy harvesting device based on piezoelectric materials |
| CN107069919A (en) * | 2017-06-16 | 2017-08-18 | 中国人民解放军装甲兵工程学院 | A kind of vehicle suspension system vibration energy recovery device |
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