CN105259515A - Intelligent power detection display device for car battery - Google Patents

Intelligent power detection display device for car battery Download PDF

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Publication number
CN105259515A
CN105259515A CN201510822588.3A CN201510822588A CN105259515A CN 105259515 A CN105259515 A CN 105259515A CN 201510822588 A CN201510822588 A CN 201510822588A CN 105259515 A CN105259515 A CN 105259515A
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CN
China
Prior art keywords
circuit
battery
intelligent power
control chip
master control
Prior art date
Application number
CN201510822588.3A
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Chinese (zh)
Inventor
刘冠茂
Original Assignee
刘冠茂
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 刘冠茂 filed Critical 刘冠茂
Priority to CN201510822588.3A priority Critical patent/CN105259515A/en
Publication of CN105259515A publication Critical patent/CN105259515A/en

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Abstract

The invention discloses an intelligent power detection display device for a car battery, which comprises a low-loss angle high-low frequency filtering circuit connected with a battery terminal. The battery terminal is connected with an LDO power supply circuit; the LDO power supply circuit is connected with a main control chip; and the main control chip is connected with an LCD display circuit, a time synchronization circuit, a battery voltage detection circuit and a starting detection circuit. Whether battery power is enough can be reminded and a user can be better reminded to replace the battery timely; the use time of the battery arranged on the car can be recorded, and the service life of the battery is calculated; when the service life of the battery is about to end, the user is reminded to replace the battery timely; the user can be reminded when the car charging system fails; and a CCA value of the battery is enhanced, work stability of the car-mounted electronic equipment is improved, car engine power is enhanced, and fuel oil is saved.

Description

The intelligent power detection display device of automobile batteries
Technical field
The present invention relates to a kind of automobile batteries accessory, particularly relate to a kind of can the detection display device of display automobile remaining battery electric power.
Background technology
There is following problem in existing automobile batteries:
Current automobile batteries judges that charged situation is observed by the color of the eccentric ball float on battery, and when it has been generally acknowledged that ball float is green, battery charge is sufficient, and when ball float is red, battery electric quantity is easily judged by accident, and ball float performs practically no function.
Charging system breaks down, and easily causes cell damage; Automobile batteries work under bad environment, maximum temperature reaches+110 DEG C, and minimum temperature-30 DEG C is even lower, and high vibration, high temperature, high dust etc., this makes charging system failure rate higher, easily causes battery damage.
Vehicle interior temperature is too high, and battery electrolyte exists boiling hidden danger; Vapour vehicle interior temperature is high, battery electrolyte inside will be caused to seethe with excitement, affect the serviceable life of battery, and temperature alarming provides possibility can to the timely treatment of battery of car owner.
Vehicle electronic device is easily subject to the ripple interference of charging system, and job insecurity, engine power is obviously not enough.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of intelligent power detection display device that can show the automobile batteries of the information such as voltage, electricity of battery.
For solving the problems of the technologies described above, technical scheme of the present invention is: the intelligent power detection display device of automobile batteries, comprise the low-loss angle low-and high-frequency filtering circuit be connected with battery terminal, described battery terminal is connected with LDO feed circuit, described LDO feed circuit are connected with Master control chip, and described Master control chip is connected with LCD display circuit, time synchronized circuit, battery voltage detection circuit and start detection circuit.
As the preferred technical scheme of one, described low-loss angle low-and high-frequency filtering circuit comprises the electrochemical capacitor of high power capacity low angle loss and the CBB electric capacity of low capacity of multiple parallel connection.
As the preferred technical scheme of one, described LDO feed circuit comprise voltage stabilizer, and the input end of described voltage stabilizer is connected with Arming Assembly.
As the preferred technical scheme of one, described Arming Assembly comprises three fuses in parallel.
As the preferred technical scheme of one, LCD display circuit comprises LCD chip, the BL-A pin of described LCD chip is connected with triode Q1, be parallel with resistance R2 and R3 between the emitter of described triode Q1 and described BL-A pin, the base stage of described triode Q1 is connected with described Master control chip by resistance R1.
As the preferred technical scheme of one, described Master control chip comprises MCU processor.
As the preferred technical scheme of one, described time synchronized circuit comprises clock chip, and described clock chip is connected with described Master control chip by vibroswitch S1.
As the preferred technical scheme of one, described battery voltage detection circuit comprises resistance R7 and R8 of series connection, and the link of described resistance R7 with R8 is connected with described Master control chip, and described resistance R8 is parallel with electric capacity C21.
As the preferred technical scheme of one, described start detection circuit comprises triode Q2, the base stage of described triode Q2 is connected with resistance R9, resistance R10, electric capacity C22 and electric capacity C23, the grounded emitter of described triode Q2, and the collector of described triode Q2 is connected with described Master control chip.
Owing to have employed technique scheme, the intelligent power detection display device of automobile batteries, comprise the low-loss angle low-and high-frequency filtering circuit be connected with battery terminal, described battery terminal is connected with LDO feed circuit, described LDO feed circuit are connected with Master control chip, and described Master control chip is connected with LCD display circuit, time synchronized circuit, battery voltage detection circuit and start detection circuit; Whether the present invention can point out battery electric quantity sufficient, can change battery in time by better reminding user; Battery vehicle-mounted service time can be recorded, calculate the life-span of battery; When battery life soon terminates, reminding user changes battery in time; It can also when the charging system of automobile breaks down, prompting user; Promote cold start-up electric current (CCA) value of battery, improve the job stability of vehicle electronic device, promote car engine mechanomotive force, save fuel oil.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the embodiment of the present invention;
Fig. 2 is the circuit diagram of embodiment of the present invention Master control chip and time synchronized circuit;
Fig. 3 is the circuit theory diagrams of embodiment of the present invention low-loss angle low-and high-frequency filtering circuit;
Fig. 4 is the circuit theory diagrams of embodiment of the present invention LDO feed circuit;
Fig. 5 is the circuit theory diagrams of embodiment of the present invention LCD display circuit;
Fig. 6 is the circuit theory diagrams of embodiment of the present invention battery voltage detection circuit;
Fig. 7 is the circuit theory diagrams of embodiment of the present invention start detection circuit.
Embodiment
Below in conjunction with drawings and Examples, set forth the present invention further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art can recognize, when without departing from the spirit and scope of the present invention, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As shown in Figure 1, the intelligent power detection display device of automobile batteries, comprise the low-loss angle low-and high-frequency filtering circuit be connected with battery terminal, described battery terminal is connected with LDO feed circuit, described LDO feed circuit are connected with Master control chip, and described Master control chip is connected with LCD display circuit, time synchronized circuit, battery voltage detection circuit and start detection circuit.
As shown in Figure 3, described low-loss angle low-and high-frequency filtering circuit comprises the electrochemical capacitor of high power capacity low angle loss and the CBB electric capacity of low capacity of multiple parallel connection.As shown in Figure 4, described LDO feed circuit comprise voltage stabilizer, and the input end of described voltage stabilizer is connected with Arming Assembly.Described Arming Assembly comprises three fuses in parallel.As shown in Figure 5, LCD display circuit comprises LCD chip, the BL-A pin of described LCD chip is connected with triode Q1, is parallel with resistance R2 and R3 between the emitter of described triode Q1 and described BL-A pin, and the base stage of described triode Q1 is connected with described Master control chip by resistance R1.Described Master control chip comprises MCU processor.As shown in Figure 3, described time synchronized circuit comprises clock chip, and described clock chip is connected with described Master control chip by vibroswitch S1.As shown in Figure 6, described battery voltage detection circuit comprises resistance R7 and R8 of series connection, and the link of described resistance R7 with R8 is connected with described Master control chip, and described resistance R8 is parallel with electric capacity C21.As shown in Figure 7, described start detection circuit comprises triode Q2, the base stage of described triode Q2 is connected with resistance R9, resistance R10, electric capacity C22 and electric capacity C23, the grounded emitter of described triode Q2, and the collector of described triode Q2 is connected with described Master control chip.
Electronic circuit board component is provided with between battery terminal inside, low-loss angle low-and high-frequency filtering circuit, LDO feed circuit, Master control chip, LCD display circuit, time synchronized circuit, battery voltage detection circuit and start detection circuit are all arranged on described circuit board assemblies, battery terminal adopts braiding copper strips to be connected with low-loss angle low-and high-frequency filtering circuit, LDO feed circuit, effectively reduces loop internal resistance.
The present invention can point out cell voltage, electricity, can record the use number of days of battery, the life-span of prediction battery; The need of replacing battery.It when charging system breaks down, can give the alarm; It can also provide high temperature alarm, allows car owner process in time, extends battery.With low-loss angle low-and high-frequency filtering circuit, improve cold start-up electric current (CCA), improve the job stability of vehicle electronic device, promote automobile power and export, reduce fuel oil loss, more energy-conserving and environment-protective.
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.

Claims (9)

1. the intelligent power detection display device of automobile batteries, it is characterized in that: comprise the low-loss angle low-and high-frequency filtering circuit be connected with battery terminal, described battery terminal is connected with LDO feed circuit, described LDO feed circuit are connected with Master control chip, and described Master control chip is connected with LCD display circuit, time synchronized circuit, battery voltage detection circuit and start detection circuit.
2. the intelligent power detection display device of automobile batteries as claimed in claim 1, is characterized in that: described low-loss angle low-and high-frequency filtering circuit comprises the electrochemical capacitor of high power capacity low angle loss and the CBB electric capacity of low capacity of multiple parallel connection.
3. the intelligent power detection display device of automobile batteries as claimed in claim 1, is characterized in that: described LDO feed circuit comprise voltage stabilizer, and the input end of described voltage stabilizer is connected with Arming Assembly.
4. the intelligent power detection display device of automobile batteries as claimed in claim 3, is characterized in that: described Arming Assembly comprises three fuses in parallel.
5. the intelligent power detection display device of automobile batteries as claimed in claim 1, it is characterized in that: LCD display circuit comprises LCD chip, the BL-A pin of described LCD chip is connected with triode Q1, be parallel with resistance R2 and R3 between the emitter of described triode Q1 and described BL-A pin, the base stage of described triode Q1 is connected with described Master control chip by resistance R1.
6. the intelligent power detection display device of automobile batteries as claimed in claim 5, is characterized in that: described Master control chip comprises MCU processor.
7. the intelligent power detection display device of automobile batteries as claimed in claim 1, is characterized in that: described time synchronized circuit comprises clock chip, and described clock chip is connected with described Master control chip by vibroswitch S1.
8. the intelligent power detection display device of automobile batteries as claimed in claim 1, it is characterized in that: described battery voltage detection circuit comprises resistance R7 and R8 of series connection, the link of described resistance R7 with R8 is connected with described Master control chip, and described resistance R8 is parallel with electric capacity C21.
9. the intelligent power detection display device of automobile batteries as claimed in claim 1, it is characterized in that: described start detection circuit comprises triode Q2, the base stage of described triode Q2 is connected with resistance R9, resistance R10, electric capacity C22 and electric capacity C23, the grounded emitter of described triode Q2, the collector of described triode Q2 is connected with described Master control chip.
CN201510822588.3A 2015-11-23 2015-11-23 Intelligent power detection display device for car battery CN105259515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510822588.3A CN105259515A (en) 2015-11-23 2015-11-23 Intelligent power detection display device for car battery

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Application Number Priority Date Filing Date Title
CN201510822588.3A CN105259515A (en) 2015-11-23 2015-11-23 Intelligent power detection display device for car battery

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CN105259515A true CN105259515A (en) 2016-01-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107450404A (en) * 2017-08-28 2017-12-08 广东威玛斯智能科技有限公司 Storage battery based on Bluetooth detection transmission

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202256636U (en) * 2011-09-16 2012-05-30 深圳桑达国际电子器件有限公司 Battery voltage detecting circuit and battery managing system
CN103091637A (en) * 2013-01-09 2013-05-08 博科能源系统(深圳)有限公司 Battery electric quantity liquid crystal display device of energy storage system
CN204479725U (en) * 2015-04-10 2015-07-15 哈尔滨理工大学 The jamproof batteries of electric automobile signal pickup assembly of a kind of small volume low watt consumption
CN204577536U (en) * 2015-03-20 2015-08-19 刘冠茂 Intelligent display, warning and antitheft automobile storage battery can be realized
CN105044603A (en) * 2015-06-05 2015-11-11 福州瑞芯微电子有限公司 Low-power low-cost lithium battery voltage detection circuit and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202256636U (en) * 2011-09-16 2012-05-30 深圳桑达国际电子器件有限公司 Battery voltage detecting circuit and battery managing system
CN103091637A (en) * 2013-01-09 2013-05-08 博科能源系统(深圳)有限公司 Battery electric quantity liquid crystal display device of energy storage system
CN204577536U (en) * 2015-03-20 2015-08-19 刘冠茂 Intelligent display, warning and antitheft automobile storage battery can be realized
CN204479725U (en) * 2015-04-10 2015-07-15 哈尔滨理工大学 The jamproof batteries of electric automobile signal pickup assembly of a kind of small volume low watt consumption
CN105044603A (en) * 2015-06-05 2015-11-11 福州瑞芯微电子有限公司 Low-power low-cost lithium battery voltage detection circuit and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107450404A (en) * 2017-08-28 2017-12-08 广东威玛斯智能科技有限公司 Storage battery based on Bluetooth detection transmission

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Application publication date: 20160120

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