CN211829105U - Novel lithium battery for motorcycle - Google Patents

Abstract

The utility model relates to a novel lithium battery for a motorcycle, which comprises a lithium battery body, a controller, a turbofan, a temperature sensor and a film seat sensor, wherein a load circuit for connecting a load and a charging circuit for connecting a motorcycle charging connector are arranged on the lithium battery body, the temperature sensor and the turbofan are both arranged on the lithium battery body, the controller comprises a microprocessor and a dc-dc converter, first normally closed relay, second normally closed relay, third normally open relay, first hall current sensor, second hall current sensor, first normally closed relay establishes and is used for controlling load circuit break-make on load circuit, and first hall current sensor establishes on load circuit, and second normally closed relay establishes and is used for controlling the charging line break-make on the charging line, and second hall current sensor establishes on the charging line, and the cooperation of above-mentioned each circuit module is connected. The novel lithium battery for the motorcycle can effectively prevent discharging or charging under the high-temperature condition.

Description

Novel lithium battery for motorcycle

Technical Field

The utility model relates to a battery field especially relates to a novel lithium cell for motorcycle.

Background

The lithium battery is a high-performance battery, has the advantages of high energy density, small self-discharge, excellent cycle performance, rapid charge and discharge and high charging efficiency, and is called as a green battery. At present, lithium batteries are widely applied to motorcycles to provide electric energy for the motorcycles.

The motorcycle is often parked outdoors, and the inventor finds that in summer, the motorcycle is parked outdoors and is exposed to hot sun, so that the temperature of a lithium battery in the motorcycle can reach over 50 ℃. The lithium battery of motorcycle discharges under the high temperature condition, and it can make the temperature of lithium battery continue to rise, and the heat dissipation is untimely, can accelerate the ageing of lithium battery and circuit. There is also a case where the lithium battery generates a high temperature during the use of the motorcycle, in which case the motorcycle charges the lithium battery immediately after the use thereof, which may cause the temperature of the lithium battery to continue to rise and may also accelerate the aging of the lithium battery and the lines.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a novel lithium cell for motorcycle solves under the high temperature condition and discharges or charge, can lead to the lithium cell heat dissipation untimely, problem with higher speed the ageing of lithium cell and circuit.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel lithium battery for a motorcycle comprises a lithium battery body, wherein a load line used for connecting a load and a charging line used for connecting a motorcycle charging connector are arranged on the lithium battery body, the novel lithium battery also comprises a controller, a turbofan, a temperature sensor and a film seat sensor arranged in a motorcycle seat, the temperature sensor and the turbofan are both arranged on the lithium battery body, the controller comprises a microprocessor, a dc-dc converter, a first normally closed relay, a second normally closed relay, a third normally open relay, a first Hall current sensor and a second Hall current sensor, the power end of the microprocessor is connected with the power end of the lithium battery body through the dc-dc converter, the first normally closed relay is arranged on the load line and used for controlling the on/off of the load line, the first Hall current sensor is arranged on the load line and used for detecting the current of the load line, the second normally closed relay is arranged on a charging line and used for controlling the conduction/cut-off of the charging line, the second Hall current sensor is arranged on the charging line and used for detecting the current of the charging line, the power end of the turbofan is connected with the power end of the lithium battery body through the third normally open relay, and the control end of the first normally closed relay, the control end of the second normally closed relay, the control end of the third normally open relay, the first Hall current sensor, the second Hall current sensor, the film seat sensor and the temperature sensor are respectively electrically connected with the microprocessor.

Furthermore, the device also comprises a buzzer, and the buzzer is electrically connected with the microprocessor.

Further, the device also comprises a wireless communication module which is in communication connection with the microprocessor.

By adopting the technical scheme, the beneficial effects of the utility model are that: this novel lithium cell for motorcycle includes two sets of output line, is load circuit and charging line respectively. The surface temperature of the lithium battery body is detected through the temperature sensor by placing the film seat sensor under the seat of the motorcycle. (1) When a lithium battery body of a motorcycle discharges at a high temperature (such as 60 ℃), a first Hall current sensor detects that a load circuit has current, and meanwhile a thin-film seat sensor detects that no person is on a seat of the motorcycle, a microprocessor judges that the motorcycle does not run, controls a first normally-closed relay to be disconnected (cut off), sends out an alarm sound by a buzzer, reminds a user that the lithium battery body is overheated in temperature, heat dissipation needs to be performed firstly, controls a third normally-open relay to be connected at the same time, and rapidly dissipates heat of the lithium battery body by a turbofan; when the temperature sensor detects that the surface temperature of the lithium battery body is reduced to a certain value (such as 30 ℃), the microprocessor controls the third normally-open relay to be disconnected, the first normally-closed relay is switched on, and the lithium battery body normally supplies power to a load. If first hall current sensor detects that the load circuit has the electric current, film seat sensor detects someone on the motorcycle seat simultaneously, then microprocessor judges the motorcycle in the user state that traveles, and first normally closed relay keeps switching on this moment, and the lithium cell body normally gives the load power supply to the third normally open relay switches on, and turbofan is quick to the heat dissipation of lithium cell body. (2) When the lithium cell body of motorcycle charges under the high temperature (as 60 ℃) condition, second hall current sensor detects that the charging line has the electric current, microprocessor control second normally closed relay disconnection this moment, and bee calling organ sends the alarm sound, remind user lithium cell body temperature overheated, need dispel the heat earlier, microprocessor control third normally open relay switches on simultaneously, turbofan is quick to the lithium cell heat dissipation, detect that lithium cell body surface temperature reduces a definite value (as 30 ℃) when temperature sensor, microprocessor control third normally open relay disconnection, and second normally closed relay switches on, lithium cell body normally charges.

Drawings

Fig. 1 is a schematic structural diagram of a lithium battery body according to an embodiment of the present invention;

fig. 2 is a circuit connection block diagram of an embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

In the present embodiment, the high temperature means 50 ℃ or higher.

Referring to fig. 1 and fig. 2, this embodiment provides a novel lithium battery for motorcycle, including lithium cell body 1, be equipped with the load circuit that is used for connecting the load on lithium cell body 1 and be used for connecting the charging circuit of motorcycle joint (the utility model discloses do not relate to the improvement of load and motorcycle joint that charges), still include controller, temperature sensor 2, turbofan 3 and set up the film seat sensor 4 in the seat of motorcycle. As shown in fig. 1, the temperature sensor 2 and the turbofan 3 are both disposed on the lithium battery body 1, and the technical means of disposing the film seat sensor 4 in the seat of the motorcycle is the prior art means, which is not described in detail herein.

The controller comprises a microprocessor 5, a dc-dc converter 6, a first normally closed relay 7, a second normally closed relay 8, a third normally open relay 9, a first Hall current sensor 10, a second Hall current sensor 11, a buzzer 12 and a 4G module 13. In this embodiment, preferably, the microprocessor 5 is an AT89C51 series single chip microcomputer, and the dc-dc converter 6 is used for converting the dc voltage of the lithium battery body 1 into a +5V working voltage of the microprocessor 5. All the circuit modules are existing equipment.

The power supply end of the microprocessor 5 is connected with the power supply end of the lithium battery body 1 through a dc-dc converter 6, the first normally closed relay 7 is arranged on a load line and used for controlling the on/off of the load line, the first hall current sensor 10 is arranged on the load line and used for detecting the current of the load line (the technical means is the conventional technical means in the field and is not described in detail herein), the second normally closed relay 8 is arranged on a charging line and used for controlling the on/off of the charging line, the second hall current sensor 11 is arranged on the charging line and used for detecting the current of the charging line (the technical means is the conventional technical means in the field and is not described in detail herein), the power supply end of the turbofan 3 is connected with the power supply end of the lithium battery body 1 through a third normally open relay 9, and the control end of the first normally closed relay 7, The control end of the second normally closed relay 8, the control end of the third normally open relay 9, the first Hall current sensor 10, the second Hall current sensor 11, the temperature sensor 2, the film seat sensor 4 and the buzzer 12 are respectively electrically connected with the microprocessor 5, and the 4G module 13 is in communication connection with the microprocessor 5.

The working principle of the novel lithium battery for the motorcycle comprises the following two points:

(1) when the lithium battery body 1 of the motorcycle discharges at a high temperature (such as 60 ℃), the first Hall current sensor 10 detects that the load line has current, meanwhile, the thin-film seat sensor 4 detects that no person is on the motorcycle seat, the microprocessor 5 judges that the motorcycle does not run, the microprocessor 5 controls the first normally-closed relay 7 to be disconnected (cut off), the buzzer 12 gives out an alarm sound to remind a user that the temperature of the lithium battery body is too hot, heat dissipation needs to be performed firstly, meanwhile, the microprocessor 5 controls the third normally-open relay 9 to be connected, and the turbofan 3 quickly dissipates heat of the lithium battery body 1; when the temperature sensor 2 detects that the surface temperature of the lithium battery body 1 is reduced to a certain value (such as 30 ℃), the microprocessor 1 controls the third normally-open relay 9 to be disconnected, the first normally-closed relay 7 is switched on, and the lithium battery body 1 normally supplies power to a load.

If first hall current sensor 10 detects that the load circuit has the electric current, and someone is gone up in the film seat sensor 4 detection motorcycle seat simultaneously, then microprocessor 5 judges the motorcycle in the user state that traveles, and first normally closed relay 7 keeps switching on this moment, and lithium cell body 1 normally gives the load power supply to third normally open relay 9 switches on, and turbofan 3 dispels the heat to lithium cell body 1 fast.

(2) When the lithium battery body 1 of the motorcycle is charged at a high temperature (such as 60 ℃), the second Hall current sensor 11 detects current in a charging circuit, the microprocessor 5 controls the second normally-closed relay 8 to be switched off at the moment, the buzzer 12 gives out an alarm sound to remind a user that the lithium battery body 1 is overheated, heat dissipation needs to be performed first, meanwhile, the microprocessor 5 controls the third normally-open relay 9 to be switched on, and the turbofan 3 quickly dissipates heat of the lithium battery body 1; when the temperature sensor 2 detects that the surface temperature of the lithium battery body 1 is reduced to a certain value (such as 30 ℃), the microprocessor 5 controls the third normally-open relay 9 to be disconnected, the second normally-closed relay 8 is switched on, and the lithium battery body 1 is normally charged.

The 4G module 13 may also be replaced by a wireless communication module such as a 3G module or a 5G module.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (3)

1. The utility model provides a novel lithium cell for motorcycle, includes lithium cell body, be equipped with the load circuit that is used for connecting the load on lithium cell body and be used for connecting the motorcycle charging joint's charging circuit, its characterized in that: the temperature sensor and the turbofan are both arranged on the lithium battery body, the controller comprises a microprocessor, a dc-dc converter, a first normally closed relay, a second normally closed relay, a third normally open relay, a first Hall current sensor and a second Hall current sensor, the power supply end of the microprocessor is connected with the power supply end of the lithium battery body through the dc-dc converter, the first normally closed relay is arranged on a load circuit and used for controlling the conduction/cut-off of the load circuit, the first Hall current sensor is arranged on the load circuit and used for detecting the current of the load circuit, the second normally closed relay is arranged on a charging circuit and used for controlling the conduction/cut-off of the charging circuit, and the second current sensor is arranged on the charging circuit and used for detecting the current of the charging circuit, the power end of the turbofan is connected with the power end of the lithium battery body through a third normally-open relay, and the control end of the first normally-closed relay, the control end of the second normally-closed relay, the control end of the third normally-open relay, the first Hall current sensor, the second Hall current sensor, the film seat sensor and the temperature sensor are respectively and electrically connected with the microprocessor.

2. A novel lithium battery for motorcycles as claimed in claim 1, characterized in that: the intelligent control system also comprises a buzzer, wherein the buzzer is electrically connected with the microprocessor.

3. A novel lithium battery for motorcycles as claimed in claim 1 or 2, characterized in that: the wireless communication module is in communication connection with the microprocessor.

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