CN210466941U - Battery capacity detector for teaching demonstration - Google Patents
Battery capacity detector for teaching demonstration Download PDFInfo
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- CN210466941U CN210466941U CN201921127758.6U CN201921127758U CN210466941U CN 210466941 U CN210466941 U CN 210466941U CN 201921127758 U CN201921127758 U CN 201921127758U CN 210466941 U CN210466941 U CN 210466941U
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Abstract
The utility model discloses a battery level detector for teaching demonstration, including boost circuit, detection circuitry and battery case, boost circuit is including the inductance, the diode, the chip steps up, first electrolytic capacitor and second electrolytic capacitor, boost circuit passes through the wire and establishes ties with detection circuitry, detection circuitry is including first comparison chip, the second comparison chip, first pilot lamp, the second pilot lamp, third pilot lamp and fourth pilot lamp, establish ties through the wire between the signal output pin of first pilot lamp and second pilot lamp and first comparison chip, establish ties through the wire between the signal output pin of third pilot lamp and fourth pilot lamp and second comparison chip, boost circuit and detection circuitry control and distribute, and through the two-sided sticky back lateral wall at the bread board back at the battery case. The utility model relates to a battery power detector for teaching demonstration, the teaching of being convenient for the student can understand the principle in the battery power detection circuitry fast, and is simple and convenient.
Description
Technical Field
The utility model relates to a H03 electricity basic electronic circuit correlation technique field specifically is a battery power detector for teaching demonstration.
Background
The battery power detector on the existing market is generally an article for daily use and cannot be used for understanding the principle of a product, in addition, the existing battery power detector adopts a 9V battery for power supply, the problem that a new battery needs to be replaced after long-time use is solved, in addition, the battery voltage displayed on a display screen of the battery power detector has certain difficulty in knowing the relation between the voltage and the power for general non-professionals, students cannot understand the principle of the battery power detector and are not convenient for teaching, and therefore the battery power detector for teaching demonstration is designed and produced here so as to solve the problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery power detector for teaching demonstration to solve the problem that proposes in the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: a battery capacity detector for teaching demonstration comprises a booster circuit, a detection circuit and a battery box, wherein the booster circuit comprises an inductor, a diode, a booster chip, a first electrolytic capacitor and a second electrolytic capacitor, the inductor, the diode, the first electrolytic capacitor and the second electrolytic capacitor are respectively connected with signal output pins of the booster chip in series through leads, the booster circuit is connected with the detection circuit in series through leads, the detection circuit comprises a first comparison chip, a second comparison chip, a first indicator lamp, a second indicator lamp, a third indicator lamp and a fourth indicator lamp, the first indicator lamp, the second indicator lamp and the signal output pins of the first comparison chip are connected in series through leads, the third indicator lamp, the fourth indicator lamp and the signal output pins of the second comparison chip are connected in series through leads, the booster circuit and the detection circuit are distributed left and right, and the double-sided adhesive on the back of the bread board is pasted on the side wall of the back of the battery box, and the detachable battery is clamped in the inner cavity of the battery box.
Preferably, the first electrolytic capacitor and the second electrolytic capacitor are connected in parallel with a ninth resistor through leads, and the booster circuit is connected in series with the positive electrode and the negative electrode of the battery in the inner cavity of the battery box.
Preferably, the first indicator light and the second indicator light are connected in series with a tenth resistor and an eleventh resistor.
Preferably, the third indicator light and the fourth indicator light are connected in series with a twelfth resistor and a thirteenth resistor.
Preferably, the detection circuit further includes a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, and an eighth resistor.
Preferably, the first resistor is connected in series with the second resistor, the third resistor is connected in series with the fourth resistor, the fifth resistor is connected in series with the sixth resistor, the seventh resistor is connected in series with the eighth resistor, and a series circuit of the first resistor and the second resistor, a series circuit of the third resistor and the fourth resistor, a series circuit of the fifth resistor and the sixth resistor, and a series circuit of the seventh resistor and the eighth resistor are connected in parallel with each other.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to a battery power detector for teaching demonstration, which can provide the principle of learning and understanding a comparison chip for students, so that the students can quickly understand the principle in a battery power detection circuit and adopt the power of the battery to supply power for the system;
2. the utility model discloses, whether battery power is sufficient is represented to the number that adopts first pilot lamp, second pilot lamp, third pilot lamp and fourth pilot lamp to light, even non professional also can audio-visually vivid learn the electric quantity of battery how much, simple and convenient.
Drawings
FIG. 1 is a front view of the structure of the embodiment of the present invention;
fig. 2 is a rear view of an embodiment of the present invention;
fig. 3 is a circuit diagram of a boost circuit according to an embodiment of the present invention;
fig. 4 is a circuit diagram of a first comparison chip according to an embodiment of the present invention;
fig. 5 is a circuit diagram of a second comparison chip according to an embodiment of the present invention;
fig. 6 is a circuit diagram of a resistor connection according to an embodiment of the present invention.
In the figure: 1. a boost circuit; 11. an inductance; 12. a diode; 13. a ninth resistor; 14. a boost chip; 15. a first electrolytic capacitor; 16. a second electrolytic capacitor; 2. a detection circuit; 21. a first comparison chip; 22. a second comparison chip; 23. a first indicator light; 24. a second indicator light; 25. a third indicator light; 26. a fourth indicator light; 27. a first resistor; 28. a second resistor; 29. a third resistor; 230. a fourth resistor; 231. a fifth resistor; 232. a sixth resistor; 233. a seventh resistor; 234. an eighth resistor; 235. a tenth resistor; 236. an eleventh resistor; 237. a twelfth resistor; 238. a thirteenth resistance.
Detailed Description
In order to facilitate the use, the embodiment of the utility model provides a battery power detector for teaching demonstration. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present embodiment provides a battery power detector for teaching demonstration, including a voltage boost circuit 1, a detection circuit 2 and a battery box 3, where the voltage boost circuit 1 includes an inductor 11, a diode 12, a voltage boost chip 14, a first electrolytic capacitor 15 and a second electrolytic capacitor 16, the inductor 11, the diode 12, the first electrolytic capacitor 15 and the second electrolytic capacitor 16 are respectively connected in series with signal output pins of the voltage boost chip 14 through wires, the voltage boost circuit 1 is connected in series with the detection circuit 2 through wires, the detection circuit 2 includes a first comparison chip 21, a second comparison chip 22, a first indicator lamp 23, a second indicator lamp 24, a third indicator lamp 25 and a fourth indicator lamp 26, the first indicator lamp 23 and the second indicator lamp 24 are connected in series with signal output pins of the first comparison chip 21 through wires, the third indicator lamp 25 and the fourth indicator lamp 26 are connected in series with signal output pins of the second comparison chip 22 through wires, the booster circuit 1 and the detection circuit 2 are distributed left and right, and are adhered to the back side wall of the battery box 3 through double-sided adhesive on the back of the bread board, and the detachable battery is clamped in the inner cavity of the battery box 3.
The ninth resistor 13 is connected in parallel with the first electrolytic capacitor 15 and the second electrolytic capacitor 16 through conducting wires, and the booster circuit 1 is connected in series with the positive electrode and the negative electrode of the battery in the inner cavity of the battery box 3.
The first indicator light 23 and the second indicator light 24 are connected in series with a tenth resistor 235 and an eleventh resistor 236.
The twelfth resistor 237 and the thirteenth resistor 238 are connected in series to the third indicator light 25 and the fourth indicator light 26.
The detection circuit 2 further includes a first resistor 27, a second resistor 28, a third resistor 29, a fourth resistor 230, a fifth resistor 231, a sixth resistor 232, a seventh resistor 233, and an eighth resistor 234.
The first resistor 27 is connected in series with the second resistor 28, the third resistor 29 is connected in series with the fourth resistor 230, the fifth resistor 231 is connected in series with the sixth resistor 232, the seventh resistor 233 is connected in series with the eighth resistor 234, a series circuit of the first resistor 27 and the second resistor 28, a series circuit of the third resistor 29 and the fourth resistor 230, a series circuit of the fifth resistor 231 and the sixth resistor 232, and a series circuit of the seventh resistor 233 and the eighth resistor 234 are connected in parallel with each other.
In the embodiment, the booster circuit 1 and the detection circuit 2 are adhered to the side wall of the back of the battery box 3 through double-sided adhesive on the back of the bread board, the booster circuit 1 is connected in series with the positive electrode and the negative electrode of the battery in the inner cavity of the battery box 3, the booster chip 14 can output a fixed voltage of 5V, and the voltage at the INA1 is 0.90V according to the knowledge of series voltage division; the voltage at INB1 is 1.24V; the voltage at INA2 is 1.40V; the voltage at INB2 is 1.60V.
The formula for calculating the series partial pressure is as follows:
the battery voltage is respectively input to the inverting input terminals of the two comparators of the first comparing chip 21 and the inverting input terminals of the two comparators of the second comparing chip 22.
When the battery voltage is lower than 0.9V, the four comparators output high level signals, and the first indicator lamp 23, the second indicator lamp 24, the third indicator lamp 25 and the fourth indicator lamp 26 do not emit light, which means that the battery power is extremely low.
The INA1 is electrically connected to the unidirectional input end of one comparator of the first comparing chip 21; when the battery voltage is higher than 0.9V but lower than 1.24V, the comparator electrically connected with the INA1 outputs a low level signal, and the other three comparators output high level signals; the negative pole of the first indicator light 23 is connected to the output end of the comparator, and when the signal is at low level, the first indicator light 23 lights, and the second indicator light 24, the third indicator light 25 and the fourth indicator light 26 do not light, which represents that the battery level is low.
The INB1 is electrically connected to the non-inverting input terminal of the other comparator of the first comparing chip 21; when the battery voltage is higher than 1.24V but lower than 1.40V, the comparator electrically connected with INA1 outputs a low level signal, the comparator electrically connected with INB1 outputs a low level signal, and the other two comparators output high level signals; the first indicator light 23 and the second indicator light 24 are both illuminated, and the third indicator light 25 and the fourth indicator light 26 are not illuminated, indicating that the battery level is at a medium level.
The INA2 is electrically connected to a non-inverting input terminal of a comparator of the second comparator chip 22; when the battery voltage is higher than 1.40V but lower than 1.60V, the comparator electrically connected with the INA1 outputs a low level signal, the comparator electrically connected with the INB1 outputs a low level signal, the comparator electrically connected with the INA2 outputs a low level signal, and the other comparator outputs a high level signal; the first indicator lamp 23, the second indicator lamp 24 and the third indicator lamp 25 all emit light, and the fourth indicator lamp 26 does not emit light, which represents that the battery power is at a higher level, and can be used by most electric appliances.
The INB2 is electrically connected to the non-inverting input of another comparator of the second comparing chip 22; when the battery voltage is higher than 1.6V, the comparator electrically connected with INA1 outputs a low level signal, the comparator electrically connected with INB1 outputs a low level signal, the comparator electrically connected with INA2 outputs a low level signal, the comparator electrically connected with INB2 outputs a low level signal, and the first indicator lamp 23, the second indicator lamp 24, the third indicator lamp 25 and the fourth indicator lamp 26 all emit light to represent that the battery power is at an extremely high level and the battery power is close to the power of a brand new battery.
The utility model discloses can be to providing the student and study and understand the principle of chip relatively for the student can understand the principle among the battery power detection circuit fast, adopts the electric quantity of battery self to supply power for the system, whether enough represents battery power through adopting the bright number of first pilot lamp 23, second pilot lamp 24, third pilot lamp 25 and fourth pilot lamp 26, even non-professional also can be directly perceived vivid learn the electric quantity of battery how much, simple and convenient.
The model of the boost chip 14 is BL8530, the first comparison chip 21 and the second comparison chip 22 are both two-way voltage comparators, the model is LM393, the model of the diode 12 is SS14, the model of the inductor 11 is STK4803, and the boost chip can also be freely selected according to actual use requirements.
In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a battery power detector for teaching demonstration, includes boost circuit (1), detection circuitry (2) and battery case (3), its characterized in that: the boost circuit (1) comprises an inductor (11), a diode (12), a boost chip (14), a first electrolytic capacitor (15) and a second electrolytic capacitor (16), the inductor (11), the diode (12), the first electrolytic capacitor (15) and the second electrolytic capacitor (16) are respectively connected with signal output pins of the boost chip (14) in series through leads, the boost circuit (1) is connected with the detection circuit (2) in series through leads, the detection circuit (2) comprises a first comparison chip (21), a second comparison chip (22), a first indicator lamp (23), a second indicator lamp (24), a third indicator lamp (25) and a fourth indicator lamp (26), the first indicator lamp (23) and the second indicator lamp (24) are connected with signal output pins of the first comparison chip (21) in series through leads, and the third indicator lamp (25) and the fourth indicator lamp (26) are connected with signal output pins of the second comparison chip (22) in series The cross wire is connected in series, the booster circuit (1) and the detection circuit (2) are distributed left and right, the two-sided adhesive on the back of the bread board is pasted on the back side wall of the battery box (3), and the detachable battery is clamped in the inner cavity of the battery box (3).
2. A battery level detector for educational presentations as claimed in claim 1, wherein: the first electrolytic capacitor (15) and the second electrolytic capacitor (16) are connected in parallel with a ninth resistor (13) through conducting wires, and the booster circuit (1) is connected in series with the positive electrode and the negative electrode of the battery in the inner cavity of the battery box (3).
3. A battery level detector for educational presentations as claimed in claim 1, wherein: the first indicator light (23) and the second indicator light (24) are connected with a tenth resistor (235) and an eleventh resistor (236) in series.
4. A battery level detector for educational presentations as claimed in claim 1, wherein: the third indicator light (25) and the fourth indicator light (26) are connected with a twelfth resistor (237) and a thirteenth resistor (238) in series.
5. A battery level detector for educational presentations as claimed in claim 1, wherein: the detection circuit (2) further comprises a first resistor (27), a second resistor (28), a third resistor (29), a fourth resistor (230), a fifth resistor (231), a sixth resistor (232), a seventh resistor (233) and an eighth resistor (234).
6. A battery level detector for educational presentations as claimed in claim 5, wherein: the first resistor (27) is connected in series with the second resistor (28), the third resistor (29) is connected in series with the fourth resistor (230), the fifth resistor (231) is connected in series with the sixth resistor (232), the seventh resistor (233) is connected in series with the eighth resistor (234), and a series circuit of the first resistor (27) and the second resistor (28), a series circuit of the third resistor (29) and the fourth resistor (230), a series circuit of the fifth resistor (231) and the sixth resistor (232), and a series circuit of the seventh resistor (233) and the eighth resistor (234) are connected in parallel with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921127758.6U CN210466941U (en) | 2019-07-17 | 2019-07-17 | Battery capacity detector for teaching demonstration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921127758.6U CN210466941U (en) | 2019-07-17 | 2019-07-17 | Battery capacity detector for teaching demonstration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210466941U true CN210466941U (en) | 2020-05-05 |
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ID=70446104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921127758.6U Active CN210466941U (en) | 2019-07-17 | 2019-07-17 | Battery capacity detector for teaching demonstration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210466941U (en) |
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2019
- 2019-07-17 CN CN201921127758.6U patent/CN210466941U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210219 Address after: 100102 2508, 21 / F, building 601, wangjingyuan, Chaoyang District, Beijing Patentee after: Beijing One Future Education Technology Co.,Ltd. Address before: 100102 707, 07 / F, building 6, yard 33, Guangshun North Street, Chaoyang District, Beijing Patentee before: Beijing Yibu Future Education Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |