CN217216950U - Electric connection structure of portable lamp - Google Patents
Electric connection structure of portable lamp Download PDFInfo
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- CN217216950U CN217216950U CN202220367949.5U CN202220367949U CN217216950U CN 217216950 U CN217216950 U CN 217216950U CN 202220367949 U CN202220367949 U CN 202220367949U CN 217216950 U CN217216950 U CN 217216950U
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- lamp
- chip microcomputer
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses an electric connection structure of a portable lamp, which comprises a main lamp power circuit, and specifically comprises a charge and discharge management unit, wherein one end of the charge and discharge management unit is a Type-C input end, and the other end of the charge and discharge management unit is a USB output end; the auxiliary lamp power supply circuit comprises a charging chip U4, wherein the charging chip U4 is used for charging a battery BT2, the power supply input end of the charging chip U4 is connected with a Type-C input end, the auxiliary lamp power supply circuit also comprises a plug terminal P3, and the plug terminal P3 comprises a connecting end PWM-out; the auxiliary lamp single-chip microcomputer U5 comprises an auxiliary lamp bead control end CW, the auxiliary lamp single-chip microcomputer U5 is communicated with the main lamp single-chip microcomputer unit through a connection end PWM-out, when the auxiliary lamp single-chip microcomputer U5 is communicated with the main lamp single-chip microcomputer unit, the auxiliary lamp bead control end CW is controlled by the main lamp single-chip microcomputer unit and keeps synchronization with the main lamp control end LED-out.
Description
Technical Field
The utility model belongs to the technical field of the LED lamp technique and specifically relates to an electric connection structure of portable lamp.
Background
With the development of science and technology, the living standard is continuously improved, and the demand for lighting is gradually increased, and the demand is not only the most original switch lighting, but also needs to realize the dynamic adjustment of the brightness of the LED lamp, so how to provide a dimming control circuit. At present, be on the market and control single LED lamp source, this application has designed a three-head lamp with two vice lamps, and when vice lamp was connected with the main lamp, the main lamp can be synchronous with vice lamp, and when vice lamp broke away from the main lamp, vice lamp can exclusive use and adjust light intensity. Therefore, it is necessary to design a control circuit that meets the above functional requirements.
SUMMERY OF THE UTILITY MODEL
First, technical problem to be solved
The utility model discloses an to the above-mentioned defect that prior art exists, the electric connection structure of portable lamp has especially been proposed, has solved the control circuit's of many lamp holders among the prior art design problem.
Second, technical scheme
In order to solve the above technical problem, the utility model provides an electric connection structure of portable lamp, include
The main lamp power supply circuit specifically comprises a charge and discharge management unit, wherein one end of the charge and discharge management unit is a Type-C input end, and the other end of the charge and discharge management unit is a USB output end; the charge and discharge management unit is connected with a battery BT1 and is used for charging a battery BT 1; the positive electrode of the battery BT1 is electrically connected with a main lamp LED, the output end of the main lamp LED is connected with a power control chip U2, and the power control chip U2 is controlled by a main lamp control end LED-out; the main lamp single chip microcomputer unit comprises a main lamp single chip microcomputer U3, and the main lamp single chip microcomputer U3 is provided with an output end of a pair of single chip microcomputers and a TYPE-C input voltage detection end;
the auxiliary lamp power supply circuit comprises a charging chip U4, wherein the charging chip U4 is used for charging a battery BT2, the power supply input end of the charging chip U4 is connected with a Type-C input end, the auxiliary lamp power supply circuit also comprises a plug terminal P3, and the plug terminal P3 comprises a connecting end PWM-out; the auxiliary lamp single-chip microcomputer U5 comprises an auxiliary lamp bead control end CW, the auxiliary lamp single-chip microcomputer U5 is communicated with the main lamp single-chip microcomputer unit through a connection end PWM-out, when the auxiliary lamp single-chip microcomputer U5 is communicated with the main lamp single-chip microcomputer unit, the auxiliary lamp bead control end CW is controlled by the main lamp single-chip microcomputer unit and keeps synchronous with the main lamp control end LED-out.
Further, the charging and discharging management unit at least comprises a charging and discharging management chip U1, and an input end VDD of the charging and discharging management chip U1 is connected with a Type-C input end.
Further, pin 1 of the main lamp single chip microcomputer U3 is connected with a battery BT1, and pin 5 of the main lamp single chip microcomputer U3 is connected with a key K1.
Further, pin 1 of the auxiliary lamp single chip microcomputer U5 is connected with a battery BT2, and pin 3 of the auxiliary lamp single chip microcomputer U5 is connected with a key K2.
Further, the battery BT2 is electrically connected with a sub-lamp LED2, the sub-lamp LED2 is connected with a MOS transistor Q1, and a gate of the MOS transistor Q1 is controlled by a sub-lamp bead control terminal CW.
Third, beneficial effect
Compared with the prior art, the technical scheme of the utility model have following advantage: through the circuit of this application, when vice lamp and main lamp are connected, the light regulation is realized to vice lamp of main lamp ability synchronous control, and when vice lamp broke away from the main lamp, vice lamp ability exclusive use adjusted light intensity.
Drawings
FIG. 1 is a schematic diagram of a power supply circuit of a main lamp according to the present invention;
fig. 2 is a schematic circuit diagram of the main lamp single chip microcomputer unit of the present invention;
fig. 3 is a schematic diagram of the power supply circuit of the auxiliary lamp of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1:
as shown in fig. 1 and fig. 2, the electrical connection structure of a portable lamp of the present invention includes a main lamp power circuit, and specifically includes a charging and discharging management unit, wherein one end of the charging and discharging management unit is a Type-C input end, and the other end is a USB output end; the charge and discharge management unit is connected with a battery BT1 and is used for charging a battery BT 1; the positive electrode of the battery BT1 is electrically connected with a main lamp LED, the output end of the main lamp LED is connected with a power control chip U2, and the power control chip U2 is controlled by a main lamp control end LED-out; the main lamp single chip microcomputer unit comprises a main lamp single chip microcomputer U3, and the main lamp single chip microcomputer U3 is provided with a pair of single chip microcomputer output ends and a TYPE-C input voltage detection end. The charging and discharging management unit at least comprises a charging and discharging management chip U1, and an input end VDD of the charging and discharging management chip U1 is connected with a Type-C input end. Pin 1 of the main lamp single chip microcomputer U3 is connected with a battery BT1, and pin 5 of the main lamp single chip microcomputer U3 is connected with a key K1.
Referring to fig. 1 and 2, a Type-C input end supplies power, a battery BT1 is charged through a charge and discharge management chip U1, LEDs 1 to LED4 are used for indicating the current voltage of the battery BT1, the more the charge amount of the battery BT1 is, the higher the voltage is, the more the lights are lighted in the LEDs 1 to LED4, and the full-light state is indicated, the positive electrode of the battery BT1 is connected with a main light LED through a resistor RS, a power control chip U2 is controlled by a main light control end LED-out of a main light single chip microcomputer U3, PWM adjustment is realized through a key K1, and the power control chip U2 enables the main light LED to realize brightness adjustment of 100%, 50%, 20% and OFF. As shown in FIG. 2, the main lamp single chip microcomputer retains the function of displaying the electric quantity, namely D1-D4 luminous tubes are used for indicating the current electric quantity of the battery BT1 in the way.
The auxiliary lamp power supply circuit comprises a charging chip U4, wherein the charging chip U4 is used for charging a battery BT2, the power supply input end of the charging chip U4 is connected with a Type-C input end, the auxiliary lamp power supply circuit further comprises a plug terminal P3 (a terminal P3 is a plug terminal which can be separated from or connected with a main lamp), and the plug terminal P3 comprises a connecting end PWM-out; the auxiliary lamp single-chip microcomputer U5 comprises an auxiliary lamp bead control end CW, the auxiliary lamp single-chip microcomputer U5 is communicated with the main lamp single-chip microcomputer unit through a connection end PWM-out, when the auxiliary lamp single-chip microcomputer U5 is communicated with the main lamp single-chip microcomputer unit, the auxiliary lamp bead control end CW is controlled by the main lamp single-chip microcomputer unit and keeps synchronization with the main lamp control end LED-out. Pin 1 of the auxiliary lamp singlechip U5 is connected with a battery BT2, and pin 3 of the auxiliary lamp singlechip U5 is connected with a key K2.
Referring to fig. 3, it should be noted that the three-lamp circuit is meaningless and includes a main lamp and 2 sub-lamps, and the sub-lamp power supply X2 of fig. 3 is a circuit having 2 identical sub-lamp power supplies. The VCC of a charging chip U4 is connected to VIN-5V at the input end of Type-C, thereby realizing charging of a battery BT2, the battery BT2 is connected with an auxiliary lamp LED2 through a resistor string (RS 5-RS 7), the auxiliary lamp LED2 is controlled by an MOS tube Q1, the MOS tube Q1 is controlled by an auxiliary lamp singlechip U5, when the auxiliary lamp body and a main lamp body are integrated, a pin 6 of the auxiliary lamp singlechip U5 is communicated with a pin 6 of a main lamp singlechip U3, thereby the main lamp body can control the auxiliary lamp body, when the auxiliary lamp body and the main lamp body are disconnected, the pin 6 of the auxiliary lamp singlechip U5 is not communicated with the pin 6 of the main lamp singlechip U3, at the moment, PWM regulation is realized through a key K2, and the MOS tube Q1 enables the auxiliary lamp LED2 to realize 100%, 50%, 20% and brightness OFF regulation.
The technical scheme of the utility model has following advantage: through the circuit of this application, when vice lamp and main lamp are connected, the light regulation is realized to vice lamp of main lamp ability synchronous control, and when vice lamp broke away from the main lamp, vice lamp ability exclusive use adjusted light intensity.
Example 2:
compared with the embodiment 1, in the embodiment, the battery BT2 is electrically connected with the sub-lamp LED2, the sub-lamp LED2 is connected with the MOS tube Q1, and the gate of the MOS tube Q1 is controlled by the sub-lamp bead control terminal CW.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. An electric connection structure of portable lamp which characterized in that: comprises that
The main lamp power supply circuit specifically comprises a charge and discharge management unit, wherein one end of the charge and discharge management unit is a Type-C input end, and the other end of the charge and discharge management unit is a USB output end; the charging and discharging management unit is connected with a battery BT1 and is used for charging a battery BT 1; the positive electrode of the battery BT1 is electrically connected with a main lamp LED, the output end of the main lamp LED is connected with a power control chip U2, and the power control chip U2 is controlled by a main lamp control end LED-out; the main lamp single chip microcomputer unit comprises a main lamp single chip microcomputer U3, and the main lamp single chip microcomputer U3 is provided with an output end of a pair of single chip microcomputers and a TYPE-C input voltage detection end;
the auxiliary lamp power supply circuit comprises a charging chip U4, wherein the charging chip U4 is used for charging a battery BT2, the power supply input end of the charging chip U4 is connected with a Type-C input end, the auxiliary lamp power supply circuit also comprises a plug terminal P3, and the plug terminal P3 comprises a connecting end PWM-out; the auxiliary lamp single-chip microcomputer U5 comprises an auxiliary lamp bead control end CW, the auxiliary lamp single-chip microcomputer U5 is communicated with the main lamp single-chip microcomputer unit through a connection end PWM-out, when the auxiliary lamp single-chip microcomputer U5 is communicated with the main lamp single-chip microcomputer unit, the auxiliary lamp bead control end CW is controlled by the main lamp single-chip microcomputer unit and keeps synchronization with the main lamp control end LED-out.
2. The electrical connection structure of a portable lamp according to claim 1, wherein: the charging and discharging management unit at least comprises a charging and discharging management chip U1, and an input end VDD of the charging and discharging management chip U1 is connected with a Type-C input end.
3. The electrical connection structure of a portable lamp according to claim 1, wherein: pin 1 of the main lamp single chip microcomputer U3 is connected with a battery BT1, and pin 5 of the main lamp single chip microcomputer U3 is connected with a key K1.
4. The electrical connection structure of a portable lamp according to claim 1, wherein: pin 1 of the auxiliary lamp singlechip U5 is connected with a battery BT2, and pin 3 of the auxiliary lamp singlechip U5 is connected with a key K2.
5. The electrical connection structure of a portable lamp according to claim 1, wherein: the battery BT2 is electrically connected with an auxiliary lamp LED2, the auxiliary lamp LED2 is connected with an MOS tube Q1, and the grid electrode of the MOS tube Q1 is controlled by an auxiliary lamp bead control end CW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220367949.5U CN217216950U (en) | 2022-02-23 | 2022-02-23 | Electric connection structure of portable lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220367949.5U CN217216950U (en) | 2022-02-23 | 2022-02-23 | Electric connection structure of portable lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217216950U true CN217216950U (en) | 2022-08-16 |
Family
ID=82797608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220367949.5U Active CN217216950U (en) | 2022-02-23 | 2022-02-23 | Electric connection structure of portable lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217216950U (en) |
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2022
- 2022-02-23 CN CN202220367949.5U patent/CN217216950U/en active Active
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