CN207403573U - Realize that electric car forces the speed limit module of speed limit - Google Patents
Realize that electric car forces the speed limit module of speed limit Download PDFInfo
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- CN207403573U CN207403573U CN201721435581.7U CN201721435581U CN207403573U CN 207403573 U CN207403573 U CN 207403573U CN 201721435581 U CN201721435581 U CN 201721435581U CN 207403573 U CN207403573 U CN 207403573U
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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
Abstract
The utility model discloses the speed limit modules for realizing electric car pressure speed limit, including microcontroller process circuit, speed limit output circuit, power supply circuit, phase velocity signal input circuit, Integrated Service Digital Network signal input circuit, supply voltage detection circuit, speed limit output circuit, power supply circuit, phase velocity signal input circuit, Integrated Service Digital Network signal input circuit, supply voltage detection circuit are connected respectively with microcontroller process circuit；Speed limit output circuit includes resistance Ra7 and triode Qp3, and the mileage of resistance Ra7 one end connection microcontroller process circuit judges port, the base stage of other end connecting triode Qp3；The emitter ground connection of triode Qp3, the speed limit port of the collector connection microcontroller process circuit of the triode Qp3.The utility model judges distance travelled, after service cycle battery truck is forced to slow down, car owner is promoted to be maintained, ensures the safe to use and service life of battery truck.
Description
Technical field
The utility model is related to battery trucks, and in particular to realize that electric car forces the speed limit module of speed limit.
Background technology
We are also known as " electric car " for battery truck, it is to provide electric energy by accumulator (storage battery), by motor (direct current, friendship
Stream, series excitation, separate excitation) driving pure electric vehicle motor vehicles.In recent years, very extensive popularization has been obtained in China.Many workings
Race is in order to avoid meeting with traffic congestion on and off duty, and also to oneself go out accommodating, selects electric car on and off duty, still, battery truck
Service life is generally 8 to 12 years, and service lifetime of accumulator is generally 1-4 (depending on working service situation), and battery truck is safeguarded
Cost is not high, but will not have good after-sale service as purchase automobile after being bought due to battery truck, and battery truck is sold
After will not remind car owner when the maintenance, when the replacement what part, be equivalent to client and battery truck businessman's shape
Into disposable purchase, without after sale, and battery truck car owner is in itself also due to trouble or spending etc. and battery truck will not be carried out
It safeguards, this is unfavorable for the safe handling of battery truck.
Utility model content
Technical problem to be solved in the utility model is that battery truck does not overhaul prompting function, and it is an object of the present invention to provide realizing
Electric car forces the speed limit module of speed limit, and the automatic speed-limiting after battery truck drives to certain mileage reminds car owner to carry out vehicle
It safeguards, ensures the safe to use and service life of battery truck.
The utility model is achieved through the following technical solutions：
Realize that electric car forces the speed limit module of speed limit, including microcontroller process circuit, speed limit output circuit, power supply electricity
Road, phase velocity signal input circuit, Integrated Service Digital Network signal input circuit, supply voltage detection circuit, the speed limit output circuit supply
Circuit, phase velocity signal input circuit, Integrated Service Digital Network signal input circuit, supply voltage detection circuit respectively at microcontroller
Manage circuit connection；The speed limit output circuit includes resistance Ra7 and triode Qp3, and described resistance Ra7 one end connects microcontroller
The mileage of process circuit judges port, the base stage of other end connecting triode Qp3；The emitter of the triode Qp3
Ground connection, the speed limit port of the collector connection microcontroller process circuit of the triode Qp3.
For receiving the mileage signal of traveling, processing speed letter, speed limit output circuit is used to send out microcontroller process circuit
Go out restricting signal, power supply circuit is used for the decompression and voltage stabilizing of voltage, electric energy, phase velocity signal are provided for liquid crystal and microcontroller
Input circuit inputs for speed analog signal, and Integrated Service Digital Network signal input circuit passes to the number of instrument for battery truck master controller
Word speed, diagnostic signal transmission, supply voltage detection circuit for detect battery truck voltage whether normal power supply.
Speed data input is input to microcontroller, microcontroller processing by phase velocity input line or Integrated Service Digital Network input line
Into mileage, after mileage reaches setting value, then speed limit output circuit exports restricting signal and gives controller speed limit port, works as guarantor
After supporting maintenance, normal speed is then recovered to microcontroller decoding by decoder.
Microcontroller calculates and is output to screen mileage value also according to velocity amplitude, if mileage reaches threshold value
When, instrument can be prompted to maintain, and export a control signal to battery truck master control by QP3, RA7 output driving circuit
The speed limit end of device so as to which battery truck master controller be allowed to limit speed, notifies user that should carry out vehicle maintenance.When user maintains
After complete, maintenance business is using a decoder and is connected into Integrated Service Digital Network data cable, sends a decoded signal, vehicle is allowed to exit limit
Fast state.So as to ensure that user's vehicle is safe to use and the service life.
Further, the power supply circuit include reduction voltage circuit and regulator circuit, the power supply circuit include diode D1,
Resistance RY1, resistance RY2, resistance RY6, resistance RY7, resistance RY9, resistance R5A, resistance R5, resistance R6, triode Qp1, two poles
Pipe Z1, diode M2, electrolytic capacitor E2, capacitance C2, the resistance RY1, resistance RY2, resistance RY6, resistance RY7 are in parallel, described
The anode connection 48V power supplys of diode D1, the cathode of the diode D1 are connected to one end that resistance RY2 is connected with resistance RY6,
The collector of the triode Qp1 is connected to the other end that resistance RY2 is connected with resistance RY6；The base stage of the triode Qp1 with
The cathode connection of diode Z1, the plus earth of the diode Z1；Described resistance RY9 one end is connected to diode D1 and resistance
On the circuit of RY2 connections, on the circuit that base stage that the other end is connected to triode Qp1 is connected with diode Z1；Resistance R5A's
The emitter of one end connecting triode QP1, the other end connect the power input of microcontroller process circuit；The resistance R5
It connects with resistance R6, the other end at the resistance R5 connections resistance R6 ends is connected to resistance R5A and connects with microcontroller process circuit
On the circuit connect, resistance R6 and the other end of resistance R5 connecting pins are grounded；The cathode of diode Z2 is connected to resistance R5 and micro-control
On the circuit of device processor connection processed, plus earth；The anode of the electrolytic capacitor E2 is connected to diode M2 and microcontroller
On the circuit of device process circuit connection, other end ground connection；The capacitance C2 is connected in parallel on electrolytic capacitor E2 both ends.
RY1, RY2, RY6, RY7, RY9, QP1, Z1 are current limliting reduction voltage circuits, and cell voltage is reduced to by current limliting reduction voltage circuit
18v, resistance R5A, resistance R5, resistance R6, three-terminal voltage-stabilizing diode M2, electrolytic capacitor E2, this part of capacitance C2 are lowering and stabilizing blood pressures
18V is converted to 5v and powered for microcontroller and liquid crystal, realizes Width funtion input by circuit.
Further, the phase velocity signal input circuit includes resistance R25, resistance R26, resistance R27, electrolytic capacitor
Phase velocity signal, other end connection resistance R27, the electricity are accessed in C21, capacitance C22, capacitance C25, described resistance R25 one end
Hinder the phase velocity access interface of the other end connection microcontroller process circuit at R27 connection resistance R25 ends；The resistance R26, electricity
It is in parallel to solve capacitance C21, capacitance C22, capacitance C25, the anode of the electrolytic capacitor C21 is connected to resistance R25 and is connected with resistance R27
Circuit on, minus earth.Phase velocity input circuit is made of R25, R26, E21, C22, C103, C25, R27, and phase velocity is defeated
Enter circuit and mainly receive external analog linear input voltage, this voltage is directly proportional to speed, is input to microcontroller, micro-
Controller control display is shown.Fine speed adjustment circuit is made of R22, PR1, R23, for the correction of toy vehicle velocity value.
Instrument of dispatching from the factory and vehicle are required for correcting.
Further, Integrated Service Digital Network signal input circuit includes resistance RR1, resistance RR2, resistance R61, capacitance CR1, the electricity
RR1 one end access Hall data are hindered, the other end connects the Hall data receiver port of microcontroller process circuit；The resistance
RR2 one end is connected to the input terminal of resistance RR1, other end ground connection；The output terminal of capacitance CR1 one end connection resistance RR1, it is another
One end is grounded.Integrated Service Digital Network input circuit is made of RR2, RR1, CR1, receives the data of the master controller from battery truck, such as
Velocity amplitude is finally also shown on the screen.
Further, the supply voltage detection circuit includes resistance R61, resistance R64, resistance R63a, resistance R63, electricity
Hold C61, the resistance R63a, resistance R63, capacitance C61 are in parallel, and the resistance R61 mono- terminates 48V power supplys, other end connection
Resistance R63；The other end ground connection at the resistance R63 connections resistance R61 ends, resistance R64 one end connection resistance Rl1 and resistance
On the circuit of R63 connections, other end connection microcontroller process circuit.
The utility model compared with prior art, has the following advantages and advantages：The utility model passes through micro-control
Device process circuit processed, speed limit output circuit, power supply circuit, phase velocity signal input circuit, Integrated Service Digital Network signal input circuit, power supply
Voltage detecting circuit judges distance travelled, after service cycle battery truck is forced to slow down, car owner is promoted to be maintained,
Ensure the safe to use and service life of battery truck.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 a are the utility model structure diagram；
Fig. 1 is the utility model speed limit output circuit structure schematic diagram；
Fig. 2 is the utility model power supply circuit construction schematic diagram；
Fig. 3 is the utility model phase velocity signal input circuit structure diagram；
Fig. 4 is the utility model Integrated Service Digital Network signal input circuit structure diagram；
Fig. 5 is the utility model headlight signal input circuit structure diagram；
Fig. 6 is the utility model right turn signal input circuit structure diagram；
Fig. 7 is the utility model left rotaring signal input circuit structure diagram；
Fig. 8 is the utility model supply voltage detection circuit structure diagram；
Fig. 9 is the utility model microcontroller process circuit structure diagram；
Figure 10 is the utility model liquid crystal drive bleeder circuit structure diagram；
Figure 11 is the utility model liquid crystal interface electrical block diagram.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment
As shown in Fig. 1 a, Fig. 1 to Figure 11, realize that electric car forces the speed limit module of speed limit, including microcontroller processing electricity
Road, speed limit output circuit, power supply circuit, phase velocity signal input circuit, Integrated Service Digital Network signal input circuit, supply voltage detection electricity
Road, the speed limit output circuit, power supply circuit, phase velocity signal input circuit, Integrated Service Digital Network signal input circuit, supply voltage inspection
Slowdown monitoring circuit is connected respectively with microcontroller process circuit；The speed limit output circuit includes resistance Ra7 and triode Qp3, described
The mileage of resistance Ra7 one end connection microcontroller process circuit judges port, the base of other end connecting triode Qp3
Pole；The emitter ground connection of the triode Qp3, the speed limit of the collector connection microcontroller process circuit of the triode Qp3
Port.
The power supply circuit include reduction voltage circuit and regulator circuit, the power supply circuit include diode D1, resistance RY1,
Resistance RY2, resistance RY6, resistance RY7, resistance RY9, resistance R5A, resistance R5, resistance R6, triode Qp1, diode Z1, two poles
Pipe M2, electrolytic capacitor E2, capacitance C2, the resistance RY1, resistance RY2, resistance RY6, resistance RY7 are in parallel, the diode D1's
Anode connects 48V power supplys, and the cathode of the diode D1 is connected to one end that resistance RY2 is connected with resistance RY6, the triode
The collector of Qp1 is connected to the other end that resistance RY2 is connected with resistance RY6；The base stage of the triode Qp1 is with diode Z1's
Cathode connects, the plus earth of the diode Z1；Described resistance RY9 one end is connected to what diode D1 was connected with resistance RY2
On circuit, on the circuit that base stage that the other end is connected to triode Qp1 is connected with diode Z1；One end connection of resistance R5A
The emitter of triode QP1, the other end connect the power input of microcontroller process circuit；The resistance R5 and resistance R6
Series connection, the other end at the resistance R5 connections resistance R6 ends are connected to the circuit that resistance R5A is connected with microcontroller process circuit
On, resistance R6 and the other end of resistance R5 connecting pins are grounded；The cathode of diode Z2 is connected to resistance R5 and is handled with microcontroller
On the circuit of device connection, plus earth；The anode of the electrolytic capacitor E2 is connected to diode M2 and microcontroller processing electricity
On the circuit of road connection, other end ground connection；The capacitance C2 is connected in parallel on electrolytic capacitor E2 both ends.
The phase velocity signal input circuit includes resistance R25, resistance R26, resistance R27, electrolytic capacitor C21, capacitance
Phase velocity signal, other end connection resistance R27, the resistance R27 connections are accessed in C22, capacitance C25, described resistance R25 one end
The phase velocity access interface of the other end connection microcontroller process circuit at resistance R25 ends；The resistance R26, electrolytic capacitor
C21, capacitance C22, capacitance C25 are in parallel, and the anode of the electrolytic capacitor C21 is connected to the circuit that resistance R25 is connected with resistance R27
On, minus earth.
Integrated Service Digital Network signal input circuit includes resistance RR1, resistance RR2, resistance R61, capacitance CR1, described resistance RR1 one end
Hall data are accessed, the other end connects the Hall data receiver port of microcontroller process circuit；Described resistance RR2 one end connects
It is connected on the input terminal of resistance RR1, other end ground connection；The output terminal of capacitance CR1 one end connection resistance RR1, other end ground connection.
The supply voltage detection circuit includes resistance R61, resistance R64, resistance R63a, resistance R63, capacitance C61, described
Resistance R63a, resistance R63, capacitance C61 are in parallel, and the resistance R61 mono- terminates 48V power supplys, other end connection resistance R63；Institute
The other end ground connection at resistance R63 connection resistance R61 ends is stated, what resistance R64 one end connection resistance Rl1 was connected with resistance R63
On circuit, other end connection microcontroller process circuit.
Headlight signal input circuit, after the signal that Der StandlichtScheinwerfer und Parkleuchtenschalter comes is sent to here, microcontroller just allows instrument panel
Curtain display headlight symbol.Left and right cornering lamp input circuit, after the signal that left/right lamp switch comes is sent into here, microcontroller is just
Allow instrument screen display or so lamp symbol.
The model for the circuit components that the present embodiment is related to is as follows：
It is 1K that microcontroller, which uses microcontroller SH22P28, resistance Ra7, and triode Qp3 manages for NPN, and resistance RY1 is 15K,
Resistance RY2 is 15K, and resistance RY6 is 15K, and resistance RY7 is 15K, and resistance RY9 is 104, and resistance R5A is 680, and resistance R5 is 332,
Resistance R6 is 332, and it is 10V/100uF that diode M2, which uses TL431-823, electrolytic capacitor E2, and capacitance C2 is C104；Resistance R25
It is 682 for 104, resistance R26；Capacitance CR1 is C102.
Above-described specific embodiment, the purpose of this utility model, technical solution and advantageous effect have been carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (5)
1. realize that electric car forces the speed limit module of speed limit, which is characterized in that including microcontroller process circuit, speed limit output electricity
Road, power supply circuit, phase velocity signal input circuit, Integrated Service Digital Network signal input circuit, supply voltage detection circuit, the speed limit are defeated
Go out circuit, power supply circuit, phase velocity signal input circuit, Integrated Service Digital Network signal input circuit, supply voltage detection circuit respectively with
Microcontroller process circuit connects；The speed limit output circuit includes resistance Ra7 and triode Qp3, and described resistance Ra7 one end connects
The mileage for connecing microcontroller process circuit judges port, the base stage of other end connecting triode Qp3；The triode
The emitter ground connection of Qp3, the speed limit port of the collector connection microcontroller process circuit of the triode Qp3.
2. the speed limit module according to claim 1 realized electric car and force speed limit, which is characterized in that the power supply circuit
Including reduction voltage circuit and regulator circuit, the power supply circuit includes diode D1, resistance RY1, resistance RY2, resistance RY6, resistance
RY7, resistance RY9, resistance R5A, resistance R5, resistance R6, triode Qp1, diode Z1, diode M2, electrolytic capacitor E2, capacitance
C2, the resistance RY1, resistance RY2, resistance RY6, resistance RY7 are in parallel, the anode connection 48V power supplys of the diode D1, described
The cathode of diode D1 is connected to one end that resistance RY2 is connected with resistance RY6, and the collector of the triode Qp1 is connected to electricity
The other end that resistance RY2 is connected with resistance RY6；The base stage of the triode Qp1 is connected with the cathode of diode Z1, the diode
The plus earth of Z1；Described resistance RY9 one end is connected on the circuit that diode D1 is connected with resistance RY2, other end connection
On the circuit being connected in the base stage of triode Qp1 with diode Z1；The emitter of one end connecting triode QP1 of resistance R5A,
The other end connects the power input of microcontroller process circuit；The resistance R5 and resistance R6 series connection, the resistance R5 connections
The other end at resistance R6 ends is connected on the circuit that resistance R5A is connected with microcontroller process circuit, and resistance R6 and resistance R5 connects
Connect the other end ground connection at end；The cathode of diode Z2 is connected on the circuit that resistance R5 is connected with micro-controller processor, sun
Pole is grounded；The anode of the electrolytic capacitor E2 is connected on the circuit that diode M2 is connected with microcontroller process circuit, another
One end is grounded；The capacitance C2 is connected in parallel on electrolytic capacitor E2 both ends.
3. the speed limit module according to claim 1 realized electric car and force speed limit, which is characterized in that the phase velocity letter
Number input circuit includes resistance R25, resistance R26, resistance R27, electrolytic capacitor C21, capacitance C22, capacitance C25, the resistance R25
Phase velocity signal is accessed in one end, and the other end connects resistance R27, and the other end connection at the resistance R27 connections resistance R25 ends is micro-
The phase velocity access interface of controller process circuit；The resistance R26, electrolytic capacitor C21, capacitance C22, capacitance C25 are in parallel, institute
The anode for stating electrolytic capacitor C21 is connected on the circuit that resistance R25 is connected with resistance R27, minus earth.
4. the speed limit module according to claim 1 realized electric car and force speed limit, which is characterized in that Integrated Service Digital Network signal is defeated
Entering circuit includes resistance RR1, resistance RR2, resistance R61, capacitance CR1, and Hall data are accessed in described resistance RR1 one end, another
The Hall data receiver port of end connection microcontroller process circuit；Described resistance RR2 one end is connected to the input of resistance RR1
End, other end ground connection；The output terminal of capacitance CR1 one end connection resistance RR1, other end ground connection.
5. the speed limit module according to claim 1 realized electric car and force speed limit, which is characterized in that the supply voltage
Detection circuit includes resistance R61, resistance R64, resistance R63a, resistance R63, capacitance C61, the resistance R63a, resistance R63, electricity
It is in parallel to hold C61, the resistance R61 mono- terminates 48V power supplys, other end connection resistance R63；The resistance R63 connection resistance R61
The other end ground connection at end, described resistance R64 one end are connected on the circuit that resistance Rl1 is connected with resistance R63, and other end connection is micro-
Controller process circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721435581.7U CN207403573U (en) | 2017-10-31 | 2017-10-31 | Realize that electric car forces the speed limit module of speed limit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721435581.7U CN207403573U (en) | 2017-10-31 | 2017-10-31 | Realize that electric car forces the speed limit module of speed limit |
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| Publication Number | Publication Date |
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| CN207403573U true CN207403573U (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721435581.7U Active CN207403573U (en) | 2017-10-31 | 2017-10-31 | Realize that electric car forces the speed limit module of speed limit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401133A (en) * | 2021-06-25 | 2021-09-17 | 西安法士特汽车传动有限公司 | AMT transmission maintenance system and method based on pure electric commercial vehicle |
-
2017
- 2017-10-31 CN CN201721435581.7U patent/CN207403573U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113401133A (en) * | 2021-06-25 | 2021-09-17 | 西安法士特汽车传动有限公司 | AMT transmission maintenance system and method based on pure electric commercial vehicle |
| CN113401133B (en) * | 2021-06-25 | 2023-02-21 | 西安法士特汽车传动有限公司 | AMT transmission maintenance system and method based on pure electric commercial vehicle |
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