CN213754069U - Intelligent quick-charging portable device supporting multi-path output - Google Patents
Intelligent quick-charging portable device supporting multi-path output Download PDFInfo
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- CN213754069U CN213754069U CN202021324420.2U CN202021324420U CN213754069U CN 213754069 U CN213754069 U CN 213754069U CN 202021324420 U CN202021324420 U CN 202021324420U CN 213754069 U CN213754069 U CN 213754069U
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Abstract
The utility model relates to an intelligent quick-charging portable device supporting multi-path output, wherein a control circuit of the portable device comprises an AC/DC conversion module, a case battery, a power detection control module and a plurality of communication machine charging seats; the output end of the AC-DC conversion module is connected with the second switch, the output end of the case battery is connected with the first switch, and the other ends of the first switch and the second switch are connected with a plurality of communication machine charging seats; one end of the first power supply detection control circuit is connected with the current conversion module, and the other end of the first power supply detection control circuit is connected with the first switch; one end of the second power supply detection control circuit is connected with the power supply conversion module, and the other end of the second power supply detection control circuit is connected with the second switch. The utility model can charge a plurality of communication machines simultaneously and quickly, and can improve the reliability and practicability of the emergency communication equipment; the automatic detection external power supply intelligently switches and selects the charging source.
Description
Technical Field
The utility model relates to a field of charging especially relates to a support portable equipment is filled soon to intelligence of multiplexed output.
Background
In recent years, with the continuous improvement of the living standard of people, the problems of disaster prevention and reduction and public safety are attracting social attention. Meanwhile, the reliability and the use convenience of the communication equipment applied to emergency and rescue communication scenes are very important. At present, emergency communication equipment is mostly equipped independently, namely issued and managed by each human unit. Each communication device is individually equipped with a charging adapter or cradle. When the rescue task is issued, each person of the rescue team is provided with one communication device, and the person needs to confirm and ensure that the electric quantity of the communication devices is sufficient, so that the management cost of the rescue workers to the devices is increased.
Therefore, how to provide an intelligent fast-charging portable device supporting multiple outputs to meet the above requirements becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a support portable equipment is filled soon to intelligence of multiplexed output to when solving a plurality of communication equipment and charging simultaneously, every equipment is difficult to with the problem of great electric current quick charge, and two reliability problems that charging source intelligence switches existence among the charging process.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an intelligent quick-charging portable device supporting multi-path output comprises a portable case and a control circuit, wherein the control circuit is integrated and installed in the portable case in a circuit board mode and comprises an alternating current-direct current conversion module, a case battery, a power supply detection control module and a plurality of communication machine charging seats;
the output end of the AC-DC conversion module is connected with the second switch, the output end of the case battery is connected with the first switch, and the other ends of the first switch and the second switch are connected with a plurality of communication machine charging seats;
the power supply detection control module comprises a first power supply detection control circuit and a second power supply detection control circuit, one end of the first power supply detection control circuit is connected with the current conversion module, and the other end of the first power supply detection control circuit is connected with the first switch and used for controlling the first switch to work; one end of the second power supply detection control circuit is connected with the power supply conversion module, and the other end of the second power supply detection control circuit is connected with the second switch and used for controlling the second switch to work.
Furthermore, the alternating current-direct current conversion module comprises two paths of power supply outputs, wherein one path of power supply output is 12.6V charging output and is electrically connected with a charging port of a case battery, and the other path of power supply output is 12V constant voltage output and is electrically connected with the second control switch.
Furthermore, the first switch and the second switch are a switch circuit formed by connecting a group of high-power MOS tubes in parallel.
Furthermore, the second power supply detection control circuit is composed of a reference divider resistor, a comparator, a diode, a divider resistor and an RC delay circuit, wherein the reference divider resistor is connected to the reverse input end of the comparator, the RC delay circuit is connected to the forward input end of the comparator, the diode is electrically connected with the delay circuit through the divider resistor, and the RC delay circuit is composed of a delay capacitor and a discharge resistor which are connected in parallel.
Furthermore, the case battery is a 12V lithium battery and is provided with an independent 12V power supply interface.
Compared with the prior art, this intelligence fills portable equipment's beneficial effect soon includes: the utility model can charge a plurality of communication machines simultaneously and quickly, and can improve the reliability and practicability of the emergency communication equipment; the automatic detection external power supply intelligently switches and selects the charging source.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention. Wherein:
fig. 1 is a schematic structural diagram of an intelligent fast-charging portable device supporting multiple outputs according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a control circuit according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a first power detection control circuit according to an embodiment of the present invention;
fig. 4 is a circuit diagram of a second power detection control circuit according to an embodiment of the present invention.
Detailed Description
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 some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
With reference to fig. 1 and 2, the utility model discloses a support intelligent portable equipment that fills soon of multiplexed output, including portable quick-witted case, control circuit with circuit board form integrated the installation in portable quick-witted incasement, portable quick-witted case outside is equipped with 220V alternating current socket.
The control circuit comprises an alternating current-direct current conversion module, a case battery, a power supply detection control module and a plurality of communication machine charging seats, such as charging seats 11, 12 to 1j, charging seats 21, 22 to 2j and charging seats i1, i2 to ij; the output end of the AC-DC conversion module is connected with a second switch S2, the output end of the case battery is connected with a first switch S1, and the other ends of the first switch S1 and the second switch S2 are connected with a plurality of communicator charging seats; the power supply detection control module comprises a first power supply detection control circuit and a second power supply detection control circuit, one end of the first power supply detection control circuit is connected with the current conversion module, and the other end of the first power supply detection control circuit is connected with the first switch S1 and used for controlling the first switch S1 to work; one end of the second power detection control circuit is connected with the power conversion module, and the other end of the second power detection control circuit is connected with the second switch S2 for controlling the second switch S2 to work.
The alternating current-direct current conversion module comprises two paths of power supply output, wherein one path is 12.6V charging output, and the other path is 12V constant voltage output. If the portable case supports 20 communication machines to be charged by 2A current at the same time, the power of the alternating current-direct current conversion module is about 300W, the 12.6V charging output end is connected with the charging input end of the case battery, the constant voltage 12V output end is connected with one end of a second switch S2, and the power reservation of the constant voltage 12V output end is not less than 250W. The case battery is a 12V lithium battery and is provided with an independent 12V power supply interface.
The first switch S1 and the second switch S2 are a switch circuit formed by a group of high-power MOS transistors connected in parallel. The first switch S1 and the second switch S2 allow the current to be not less than 20A, and 4 AOD4184A MOS tubes can be selected to be connected in parallel to be used as a control switch.
As an embodiment of the present invention, as shown in fig. 3, the first power detection control circuit is composed of a reference voltage-dividing resistor R1, a detection input resistor R2, and a comparator P1, wherein the reference voltage-dividing resistor R1 is connected to the reverse input end of the comparator P1, and the voltage-dividing end of the detection input resistor R2 is connected to the forward input end of the comparator P1.
As shown in fig. 4, the second power detection control circuit is composed of a reference voltage-dividing resistor R3, a comparator P2, a diode D1, a voltage-dividing resistor R4, and an RC delay circuit, wherein the reference voltage-dividing resistor R3 is connected to the reverse input end of the comparator P2, the RC delay circuit is connected to the forward input end of the comparator P2, the diode D1 is electrically connected to the delay circuit through the voltage-dividing resistor R4, and the RC delay circuit is composed of a delay capacitor C1 and a discharge resistor R5 which are connected in parallel.
The diode D1 and the RC delay circuit are added to a voltage division end of a detection input resistor R2 of the second power supply detection control circuit on the basis of the first power supply detection control circuit, delay output of the second power supply detection control circuit depends on parameters of a delay capacitor C1 and a discharge resistor R5, the delay capacitor C1 is 4.7uF, and the resistance value of the discharge resistor R5 is 100K.
The comparator model in the first power supply detection control circuit and the second power supply detection control circuit is LM 339.
When no 220V alternating current is accessed from the outside, the second switch S2 is opened, the first switch S1 is closed, the case battery is a 12V lithium battery, and the plurality of communicators can be charged directly through the first switch S1.
When external 220V alternating current is accessed, the first switch S1 is firstly switched off, the second switch S2 is switched on, the 220V alternating current passes through the alternating current-direct current conversion module, one path of output is used as a 12.6V charging adapter to charge the chassis battery, and the other path of output is used as 12V direct current to charge the plurality of communication machines through the second switch S2. The internal battery of the communication machine is a 3.6V lithium battery.
When the first power supply detection control circuit detects 220V alternating current access, the signal level of the S1 signal for opening the first switch is output; when the second power supply detection control circuit detects the access of 220V alternating current, the signal level of a closed second switch S2 is output after the time delay of 200 ms-500 ms, and external alternating current is selected to charge the communication machine.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a support portable equipment is filled soon to intelligence of multiplexed output, includes portable quick-witted case, control circuit and installs in portable quick-witted incasement with circuit board form is integrated, its characterized in that: the control circuit comprises an alternating current-direct current conversion module, a case battery, a power supply detection control module and a plurality of communication machine charging seats;
the output end of the AC-DC conversion module is connected with the second switch, the output end of the case battery is connected with the first switch, and the other ends of the first switch and the second switch are connected with a plurality of communication machine charging seats;
the power supply detection control module comprises a first power supply detection control circuit and a second power supply detection control circuit, one end of the first power supply detection control circuit is connected with the current conversion module, and the other end of the first power supply detection control circuit is connected with the first switch and used for controlling the first switch to work; one end of the second power supply detection control circuit is connected with the power supply conversion module, and the other end of the second power supply detection control circuit is connected with the second switch and used for controlling the second switch to work.
2. The intelligent, fast-charging, portable device of claim 1, wherein: the alternating current-direct current conversion module comprises two paths of power supply outputs, one path is 12.6V charging output and is electrically connected with a charging port of a case battery, and the other path is 12V constant voltage output and is electrically connected with a second switch.
3. The intelligent, fast-charging, portable device of claim 1, wherein: the first switch and the second switch are a switch circuit formed by connecting a group of high-power MOS tubes in parallel.
4. The intelligent, fast-charging, portable device of claim 1, wherein: the second power supply detection control circuit is composed of a reference divider resistor, a comparator, a diode, a divider resistor and an RC delay circuit, wherein the reference divider resistor is connected to the reverse input end of the comparator, the RC delay circuit is connected to the forward input end of the comparator, the diode is electrically connected with the delay circuit through the divider resistor, and the RC delay circuit is composed of a delay capacitor and a discharge resistor in parallel.
5. The intelligent, fast-charging, portable device of claim 1, wherein: the case battery selects a 12V lithium battery and is provided with an independent 12V power supply interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021324420.2U CN213754069U (en) | 2020-07-08 | 2020-07-08 | Intelligent quick-charging portable device supporting multi-path output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021324420.2U CN213754069U (en) | 2020-07-08 | 2020-07-08 | Intelligent quick-charging portable device supporting multi-path output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213754069U true CN213754069U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021324420.2U Active CN213754069U (en) | 2020-07-08 | 2020-07-08 | Intelligent quick-charging portable device supporting multi-path output |
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| Country | Link |
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| CN (1) | CN213754069U (en) |
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- 2020-07-08 CN CN202021324420.2U patent/CN213754069U/en active Active
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