CN212412761U - Adaptation system for adaptation of auxiliary power supply of electric vehicle - Google Patents
Adaptation system for adaptation of auxiliary power supply of electric vehicle Download PDFInfo
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- CN212412761U CN212412761U CN202021326762.8U CN202021326762U CN212412761U CN 212412761 U CN212412761 U CN 212412761U CN 202021326762 U CN202021326762 U CN 202021326762U CN 212412761 U CN212412761 U CN 212412761U
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Abstract
The utility model discloses an adaptation system for electric motor car auxiliary power source adaptation, supply with the module including the 12V power, the 24V power supplies with the module, and be used for the output that is connected with the external power equipment, the output is equipped with and is used for carrying out the power adaptation module that switches between the module is supplied with to the 12V power supply module and the 24V power supply, the power adaptation module includes the adaptation single-pole double-throw switch that links to each other with the output, the adaptation relay, and be used for controlling the singlechip of adaptation relay, be equipped with the switch module of being connected with singlechip looks communication on the output. The utility model discloses satisfy with the adaptation demand of outside electrical equipment auxiliary power source, can satisfy adaptation switching demand through adaptation double-pole switch and adaptation relay cooperation, and can realize automatic adaptation through the singlechip communication. The power supply adaptation module is consistent with the switch module circuit and the hardware module, so that the equipment cost is reduced, and the output stability of the adaptation system is improved.
Description
Technical Field
The utility model relates to an adaptation system for electric motor car auxiliary power source adaptation belongs to the technical field of power adaptation.
Background
At present, the requirement of a new national standard (namely the national standard of 2015) on the auxiliary power supply of the pure electric vehicle is 12V, but the requirement of an old national standard (namely the national standard of 2011) on the auxiliary power supply of the electric vehicle is 24V, two vehicles on the market coexist at present, and a plurality of vehicle owners cannot adapt to the auxiliary power supply in charging. In some auxiliary power supply adapting systems, a 12V and 24V coexistence mode is adopted, manual switching is carried out manually, and damage to an auxiliary power supply is easy to generate.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of above-mentioned prior art, produce the problem of damage for manual switching mode easily to auxiliary power supply to the pressure regulating among the traditional power adaptation system, provide the adaptation system that is used for electric motor car auxiliary power supply adaptation.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
the adaptation system for the auxiliary power supply adaptation of the electric vehicle comprises a 12V power supply module, a 24V power supply module and an output end connected with external power equipment, wherein the output end is provided with a power adaptation module for switching between the 12V power supply module and the 24V power supply module,
the power supply adaptation module comprises an adaptation single-pole double-throw switch connected with the output end, an adaptation relay used for controlling the adaptation single-pole double-throw switch to be switched between the 12V power supply module and the 24V power supply module and a single chip microcomputer used for controlling the adaptation relay, and a switch module in communication connection with the single chip microcomputer is arranged on the output end.
Preferably, the adaptive single-pole double-throw switch comprises a normally closed input end connected with the 12V power supply module, a normally open input end connected with the 24V power supply module, and an output common end connected with the switch module.
Preferably, the adaptive relay is provided with a power supply circuit, the power supply circuit comprises a 3.3V power supply, a triode Q1 and an NMOS tube Q2, the base of the triode Q1 is connected with the control pin of the single chip microcomputer through a current-limiting resistor R1, the collector of the triode Q1 is respectively connected with the 3.3V power supply and the grid of the NMOS tube Q2, the drain of the NMOS tube Q2 is connected with the first primary side of the adaptive relay, and the second primary side of the adaptive relay is connected with a 12V direct-current power supply.
Preferably, the switch module comprises an on-off single-pole double-throw switch arranged between the output end and the adaptive single-pole double-throw switch, and an on-off relay which is used for controlling the on-off single-pole double-throw switch and is connected with the single chip microcomputer,
the on-off single-pole double-throw switch comprises a normally closed output end, a normally open output end connected with the output end and an input public end connected with the output public end.
Preferably, the on-off relay is provided with an on-off power supply circuit, the on-off power supply circuit comprises a 3.3V power supply, a triode Q3 and an NMOS tube Q4, a base of the triode Q3 is connected with a control pin of the single chip microcomputer through a current-limiting resistor R2, a collector of the triode Q3 is connected with the 3.3V power supply and a gate of the NMOS tube Q4, a drain of the NMOS tube Q4 is connected with a first primary side of the on-off relay, and a second primary side of the on-off relay is connected with a 12V direct current power supply.
The beneficial effects of the utility model are mainly embodied in that:
1. satisfy the adaptation demand with outside electrical equipment auxiliary power source that connects, can satisfy the adaptation through adaptation double pole switch and adaptation relay cooperation and switch the demand, and can realize automatic adaptation through the singlechip communication.
2. The power supply adaptation module is consistent with the switch module circuit and the hardware module, so that the equipment cost is reduced, and the output stability of the adaptation system is improved.
Drawings
Fig. 1 is a schematic diagram of the present invention of an adaptation system for electric vehicle auxiliary power source adaptation.
Fig. 2 is a circuit diagram of the adaptation system for electric vehicle auxiliary power source adaptation of the present invention.
Detailed Description
The utility model provides an adaptation system for electric motor car auxiliary power source adaptation. The technical solution of the present invention will be described in detail below with reference to the accompanying drawings so as to be easier to understand and grasp.
An adaptive system for adapting an auxiliary power supply of an electric vehicle, as shown in fig. 1, includes a 12V power supply module 1, a 24V power supply module 2, and an output terminal 3 for connecting with an external power receiving device, where the output terminal 3 is provided with a power adaptation module 4 for switching between the 12V power supply module 1 and the 24V power supply module 2.
The power supply adaptation module 4 comprises an adaptation single-pole double-throw switch 41 connected with the output end 3, an adaptation relay 42 used for controlling the adaptation single-pole double-throw switch 41 to be switched between a 12V power supply module and a 24V power supply module and a single chip microcomputer 5 used for controlling the adaptation relay 42, and the output end 3 is provided with a switch module 6 in communication connection with the single chip microcomputer 5.
The specific implementation process and principle description are as follows:
when the output end 3 is connected with an external power connection device, the singlechip 5 controls the switch module 6 to perform access operation, and the adaptive single-pole double-throw switch 41 is controlled by the adaptive relay 42, so that the 12V power supply module and the 24V power supply module are switched to perform adaptive adjustment of 12V and 24V.
It should be noted that, the adaptive single-pole double-throw switch 41 is in communication with the 12V power supply module in the initial state, when the external power device is 12V, the matched charging is realized, and when the external power device is 24V, the power management module of the external power device generates a no-power signal, and the single chip 5 itself needs to be in communication with the external power device, so that when the single chip 5 receives the no-power signal, the adaptive relay 42 is controlled to enable the single-pole double-throw switch 41 to switch the 24V power supply module, thereby meeting the requirements of 12V and 24V power supply switching.
The communication between the single chip microcomputer and the vehicle power management module BMS belongs to the prior art, and it is a conventional means to switch two output commands by simply switching commands, and will not be described herein.
In one embodiment, the adaptive single pole double throw switch includes a normally closed input 411 connected to the 12V power supply module, a normally open input 412 connected to the 24V power supply module, and an output common 413 connected to the switch module.
Namely, the initial state is the state that the normally closed inlet 411 is communicated with the 12V power supply module.
In one embodiment, the switch module 6 includes an on-off single-pole double-throw switch 61 disposed between the output terminal and the adaptive single-pole double-throw switch, and an on-off relay 62 connected to the single chip microcomputer for controlling the on-off of the single-pole double-throw switch.
The on-off single pole double throw switch 61 includes a normally closed output 611, a normally open output 612 connected to the output, and an input common 613 connected to the output common.
Specifically, when the adapter system is not powered on, the normally closed output end 611 is in an open circuit state, and when the adapter system is externally connected to a device, output conduction is realized by butting with the normally open output end 612, so that a switching function is achieved.
It should be noted that, the output power of the power supply pile is relatively high, the traditional switch module is easily burnt out and damaged, and the service life is relatively short, so the design of the on-off single-pole double-throw switch 61 and the on-off relay 62 is adopted, and the specifications of the on-off single-pole double-throw switch 61 and the on-off relay 62 are consistent with the specifications of the adaptive relay 42 and the single-pole double-throw switch 41, so that the batch customization can be realized, and the hardware cost of the.
Fig. 2 is a circuit diagram of an embodiment of the present invention.
The adaptive relay 42 is provided with a power supply circuit, the power supply circuit comprises a 3.3V power supply, a triode Q1 and an NMOS tube Q2, the base electrode of the triode Q1 is connected with the control pin of the single chip microcomputer through a current-limiting resistor R1, the collector electrode of the triode Q1 is respectively connected with the 3.3V power supply and the grid electrode of the NMOS tube Q2, the drain electrode of the NMOS tube Q2 is connected with the first primary side of the adaptive relay, and the second primary side of the adaptive relay is connected with a 12V direct-current power supply.
The on-off relay is provided with an on-off power supply circuit, the on-off power supply circuit comprises a 3.3V power supply, a triode Q3 and an NMOS (N-channel metal oxide semiconductor) tube Q4, the base electrode of the triode Q3 is connected with the control pin of the single chip microcomputer through a current-limiting resistor R2, the collector electrode of the triode Q3 is respectively connected with the 3.3V power supply and the grid electrode of the NMOS tube Q4, the drain electrode of the NMOS tube Q4 is connected with a first primary side of the on-off relay, and a second primary side of the on-off relay is connected.
Thus, the power supply control of the relay and the connection requirement of the single chip microcomputer are met.
Can discover through the above description, the utility model is used for the adaptation system of electric motor car auxiliary power supply adaptation satisfies the adaptation demand with outside electrical equipment auxiliary power supply, can satisfy adaptation switching demand through adaptation double-pole switch and adaptation relay cooperation, and can realize automatic adaptation through the singlechip communication. The power supply adaptation module is consistent with the switch module circuit and the hardware module, so that the equipment cost is reduced, and the output stability of the adaptation system is improved.
The above technical solutions of the present invention have been fully described, and it should be noted that the present invention is not limited by the above description, and all technical solutions formed by equivalent transformation or equivalent transformation adopted by the spirit of the present invention in the aspects of structure, method or function by those of ordinary skill in the art all fall within the protection scope of the present invention.
Claims (5)
1. A adaptation system for electric motor car auxiliary power source adaptation which characterized in that:
comprises a 12V power supply module, a 24V power supply module and an output end connected with external power equipment, wherein the output end is provided with a power supply adaptation module for switching between the 12V power supply module and the 24V power supply module,
the power supply adaptation module comprises an adaptation single-pole double-throw switch connected with the output end, an adaptation relay used for controlling the adaptation single-pole double-throw switch to be switched between the 12V power supply module and the 24V power supply module and a single chip microcomputer used for controlling the adaptation relay, and a switch module in communication connection with the single chip microcomputer is arranged on the output end.
2. The adapting system for electric vehicle auxiliary power supply adaptation according to claim 1, wherein:
the adaptive single-pole double-throw switch comprises a normally closed inlet end connected with the 12V power supply module, a normally open inlet end connected with the 24V power supply module and an output common end connected with the switch module.
3. The adapting system for electric vehicle auxiliary power supply adaptation according to claim 1, wherein:
the adaptive relay is provided with a power supply circuit, the power supply circuit comprises a 3.3V power supply, a triode Q1 and an NMOS (N-channel metal oxide semiconductor) tube Q2, the base electrode of the triode Q1 is connected with the control pin of the single chip microcomputer through a current-limiting resistor R1, the collector electrode of the triode Q1 is respectively connected with the 3.3V power supply and the grid electrode of the NMOS tube Q2, the drain electrode of the NMOS tube Q2 is connected with the first primary side of the adaptive relay, and the second primary side of the adaptive relay is connected with a 12V direct-current power supply.
4. The adapting system for electric vehicle auxiliary power supply adaptation according to claim 2, wherein:
the switch module comprises an on-off single-pole double-throw switch arranged between the output end and the adaptive single-pole double-throw switch and an on-off relay which is used for controlling the on-off single-pole double-throw switch and is connected with the single chip microcomputer,
the on-off single-pole double-throw switch comprises a normally closed output end, a normally open output end connected with the output end and an input public end connected with the output public end.
5. The adapting system for electric vehicle auxiliary power supply adaptation according to claim 4, wherein:
the on-off relay is provided with an on-off power supply circuit, the on-off power supply circuit comprises a 3.3V power supply, a triode Q3 and an NMOS (N-channel metal oxide semiconductor) tube Q4, the base electrode of the triode Q3 is connected with the control pin of the single chip microcomputer through a current-limiting resistor R2, the collector electrode of the triode Q3 is respectively connected with the 3.3V power supply and the grid electrode of the NMOS tube Q4, the drain electrode of the NMOS tube Q4 is connected with a first primary side of the on-off relay, and a second primary side of the on-off relay is connected with a 12V direct-current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326762.8U CN212412761U (en) | 2020-07-08 | 2020-07-08 | Adaptation system for adaptation of auxiliary power supply of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326762.8U CN212412761U (en) | 2020-07-08 | 2020-07-08 | Adaptation system for adaptation of auxiliary power supply of electric vehicle |
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| Publication Number | Publication Date |
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| CN212412761U true CN212412761U (en) | 2021-01-26 |
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| CN202021326762.8U Active CN212412761U (en) | 2020-07-08 | 2020-07-08 | Adaptation system for adaptation of auxiliary power supply of electric vehicle |
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| CN (1) | CN212412761U (en) |
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