CN204271750U - Prevent double cell from switching the device of power down - Google Patents
Prevent double cell from switching the device of power down Download PDFInfo
- Publication number
- CN204271750U CN204271750U CN201420873311.4U CN201420873311U CN204271750U CN 204271750 U CN204271750 U CN 204271750U CN 201420873311 U CN201420873311 U CN 201420873311U CN 204271750 U CN204271750 U CN 204271750U
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- pin
- interrupt
- power pins
- battery
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Abstract
The utility model provides a kind of device preventing double cell from switching power down, this device comprises the first power pins, second source pin, first interrupt pin, second interrupt pin and insulation board, this first power pins, this second source pin, this first interrupt pin and this second interrupt pin are all positioned on this insulation board, this first power pins is electrically connected with power supply circuits by the first switching circuit, this second source pin is electrically connected with these power supply circuits by second switch circuit, the height of this first interrupt pin is less than the height of this first power pins, this first interrupt pin is for sending the first interrupt signal to processor, the height of this second interrupt pin is less than the height of this second source pin, this second interrupt pin is for sending the second interrupt signal to this processor.The utility model reaches the object preventing double cell from switching power down by the design of interrupt pin height, structure is simple, reduces cost.
Description
Technical field
The utility model relates to the device preventing power down, particularly a kind of device preventing double cell from switching power down.
Background technology
If Double-battery mobile phone two pieces of batteries are all arranged on mobile phone, system can select wherein one piece of powered battery, but when user want to pull up wherein one piece of battery charging or for other object time, if pull out the battery of not powering, the power supply of system can not be affected; If pulled out to the battery of system power supply, when not having safeguard measure, system cannot obtain handover information in time, and before power switching to another block battery, system there will be the situation of power down.
At present, in the design of Double-battery mobile phone, if extract suddenly the battery used, how to be switched to other one piece of battery and to ensure that whole system not power down is a cumbersome problem always.Mode by increasing protective circuit in prior art avoids power down, not only increases cost, also there will be the problems such as battery electric quantity cannots be used up, voltameter is chaotic.
Utility model content
The technical problems to be solved in the utility model existingly avoids the defects such as the technical costs of power down is high, battery electric quantity cannots be used up to overcome, and provides a kind of structure simply can effectively prevent double cell from switching the device of power down.
The utility model solves above-mentioned technical problem by following technical proposals:
Prevent double cell from switching a device for power down, its feature is, this device comprises:
First power pins, this first power pins is for connecting the power pins of the first battery, and this first power pins is electrically connected with power supply circuits by the first switching circuit;
Second source pin, this second source pin is for connecting the power pins of the second battery, and this second source pin is electrically connected with these power supply circuits by second switch circuit;
First interrupt pin, the height of this first interrupt pin is less than the height of this first power pins, and this first interrupt pin is used for sending the first interrupt signal to processor when this first battery leaves this device and the power pins of this first battery is electrically connected with this first power pins;
Second interrupt pin, the height of this second interrupt pin is less than the height of this second source pin, and this second interrupt pin is used for sending the second interrupt signal to this processor when this second battery leaves this device and the power pins of this second battery is electrically connected with this second source pin;
And an insulation board, this first power pins, this second source pin, this first interrupt pin and this second interrupt pin are all positioned on this insulation board;
This processor is used for transmitting a Continuity signal when receiving this first interrupt signal to this second switch circuit, and transmits a Continuity signal when receiving this second interrupt signal to this first switching circuit.
In this programme, this insulation board is provided with the first power pins, second source pin, the first interrupt pin and the second interrupt pin, and this insulation board is any parts that the power pins of battery is electrically connected with this device.The height of this first interrupt pin is less than the height of this first power pins, if extract the first battery, before the power pins of this first battery disconnects, this first interrupt pin sends the first interrupt signal to processor, processor exports a level signal and makes second switch circuit turn-on when receiving the first interrupt signal, realize switching to by the second powered battery by the first powered battery; The height of this second interrupt pin is less than the height of this second source pin, if extract the second battery, before the power pins of this second battery disconnects, this second interrupt pin sends the first interrupt signal to processor, processor exports a level signal and makes the first switching circuit conducting when receiving the second interrupt signal, realize being switched to by the first powered battery by the first powered battery.
Preferably, the little 0.3mm ~ 0.5mm of height of this first power pins of the aspect ratio of this first interrupt pin, the little 0.3mm ~ 0.5mm of height of this second source pin of the aspect ratio of this second interrupt pin.
Preferably, this first power pins, this second source pin, this first interrupt pin and this second interrupt pin are metal clips.
Preferably, this first switching circuit and this second switch circuit are metal-oxide-semiconductor field effect transistor, the grid of the metal-oxide-semiconductor field effect transistor of this first switching circuit is connected with this processor, the source electrode of the metal-oxide-semiconductor field effect transistor of this first switching circuit is connected with this first power pins, the drain electrode of the metal-oxide-semiconductor field effect transistor of this first switching circuit is connected with these power supply circuits, the grid of the metal-oxide-semiconductor field effect transistor of this second switch circuit is connected with this processor, the source electrode of the metal-oxide-semiconductor field effect transistor of this second switch circuit is connected with this second source pin, the drain electrode of the metal-oxide-semiconductor field effect transistor of this second switch circuit is connected with these power supply circuits.
Preferably, these power supply circuits and a Capacitance parallel connection.Power supply circuits and Capacitance parallel connection, can ensure that the supply power voltage switching battery moment is stablized.
Positive progressive effect of the present utility model is: with increase protective circuit in prior art and avoid double cell to switch compared with power down, the utility model reaches the object preventing double cell from switching power down by the design of interrupt pin height, structure is simple, reduces cost.
Accompanying drawing explanation
Fig. 1 is that the double cell that prevents of the utility model embodiment switches the partial structurtes schematic diagram of the device of power down.
Fig. 2 is that the double cell that prevents of the utility model embodiment switches the circuit diagram of the double cell switching part of the device of power down.
Embodiment
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described.
The device preventing double cell from switching power down of the present embodiment comprises insulation board, the first power pins, second source pin, the first interrupt pin and the second interrupt pin.This first power pins, this second source pin, this first interrupt pin and this second interrupt pin are metal clips.As shown in Figure 1, prevent double cell from switching the device 1 of power down and comprise the negative pole 14 of positive pole 13, first power pins of insulation board 2, first power pins and the first interrupt pin 15, first battery 16 is installed in this device 1.Wherein, negative pole 14 and first interrupt pin 15 of positive pole 13, first power pins of the first power pins are all positioned on insulation board 2, the little 0.5mm of height of the positive pole 13 of aspect ratio first power pins of the first interrupt pin 15 and the negative pole 14 of the first power pins.Fig. 1 is the structure chart that the first battery 16 is installed in this device 1, the structure that second battery is installed in this device 1 is identical with the structure that the first battery 16 is installed in this device 1, the second source pin of this device 1 is identical with this first power pins, and the second interrupt pin is identical with this first interrupt pin.
The circuit diagram of double cell switching part as shown in Figure 2, the positive pole 13 of this first power pins is electrically connected with voltage output end Vout by metal-oxide-semiconductor field effect transistor U1, the positive pole 23 of this second source pin is electrically connected with voltage output end Vout by metal-oxide-semiconductor field effect transistor U2, the grid of metal-oxide-semiconductor field effect transistor U1 is connected with the pin 17 of processor, the grid of metal-oxide-semiconductor field effect transistor U2 is connected with the pin 27 of processor, the Capacitance parallel connection of voltage output end Vout and 10 μ F.
When pulling out first battery 16 of powering, the first interrupt pin 15 to the first power pins first disconnects, and before the first power pins disconnects, sends a rising edge signal to processor.The pin 27 of processor exports high level and makes metal-oxide-semiconductor field effect transistor U2 conducting when receiving this rising edge signal, the second battery is electrically connected with voltage output end Vout, realizes by the first battery 16 power switching extremely by the second powered battery when not power down.When pulling out second battery of powering, the second interrupt pin first disconnects than second source pin, and before second source pin disconnects, sends a rising edge signal to processor.The pin 17 of processor exports high level and makes metal-oxide-semiconductor field effect transistor U1 conducting when receiving this rising edge signal, the first battery 16 is electrically connected with voltage output end Vout, realizes being switched to by the second powered battery being powered by the first battery 16 when not power down.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection range of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection range of the present utility model.
Claims (5)
1. prevent double cell from switching a device for power down, it is characterized in that, this device comprises:
First power pins, this first power pins is for connecting the power pins of the first battery, and this first power pins is electrically connected with power supply circuits by the first switching circuit;
Second source pin, this second source pin is for connecting the power pins of the second battery, and this second source pin is electrically connected with these power supply circuits by second switch circuit;
First interrupt pin, the height of this first interrupt pin is less than the height of this first power pins, and this first interrupt pin is used for sending the first interrupt signal to processor when this first battery leaves this device and the power pins of this first battery is electrically connected with this first power pins;
Second interrupt pin, the height of this second interrupt pin is less than the height of this second source pin, and this second interrupt pin is used for sending the second interrupt signal to this processor when this second battery leaves this device and the power pins of this second battery is electrically connected with this second source pin;
And an insulation board, this first power pins, this second source pin, this first interrupt pin and this second interrupt pin are all positioned on this insulation board;
This processor is used for transmitting a Continuity signal when receiving this first interrupt signal to this second switch circuit, and transmits a Continuity signal when receiving this second interrupt signal to this first switching circuit.
2. device as claimed in claim 1, is characterized in that, the little 0.3mm ~ 0.5mm of height of this first power pins of the aspect ratio of this first interrupt pin, the little 0.3mm ~ 0.5mm of height of this second source pin of the aspect ratio of this second interrupt pin.
3. device as claimed in claim 1, it is characterized in that, this first power pins, this second source pin, this first interrupt pin and this second interrupt pin are metal clips.
4. device as claimed in claim 1, it is characterized in that, this first switching circuit and this second switch circuit are metal-oxide-semiconductor field effect transistor, the grid of the metal-oxide-semiconductor field effect transistor of this first switching circuit is connected with this processor, the source electrode of the metal-oxide-semiconductor field effect transistor of this first switching circuit is connected with this first power pins, the drain electrode of the metal-oxide-semiconductor field effect transistor of this first switching circuit is connected with these power supply circuits, the grid of the metal-oxide-semiconductor field effect transistor of this second switch circuit is connected with this processor, the source electrode of the metal-oxide-semiconductor field effect transistor of this second switch circuit is connected with this second source pin, the drain electrode of the metal-oxide-semiconductor field effect transistor of this second switch circuit is connected with these power supply circuits.
5. device as claimed in claim 1, is characterized in that, these power supply circuits and a Capacitance parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873311.4U CN204271750U (en) | 2014-12-30 | 2014-12-30 | Prevent double cell from switching the device of power down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420873311.4U CN204271750U (en) | 2014-12-30 | 2014-12-30 | Prevent double cell from switching the device of power down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204271750U true CN204271750U (en) | 2015-04-15 |
Family
ID=52806595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420873311.4U Expired - Fee Related CN204271750U (en) | 2014-12-30 | 2014-12-30 | Prevent double cell from switching the device of power down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204271750U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108427496A (en) * | 2018-02-14 | 2018-08-21 | 合肥联宝信息技术有限公司 | A kind of control method and electronic equipment |
| CN113541291A (en) * | 2020-04-22 | 2021-10-22 | 成都鼎桥通信技术有限公司 | Terminal with battery switching function |
-
2014
- 2014-12-30 CN CN201420873311.4U patent/CN204271750U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108427496A (en) * | 2018-02-14 | 2018-08-21 | 合肥联宝信息技术有限公司 | A kind of control method and electronic equipment |
| CN113541291A (en) * | 2020-04-22 | 2021-10-22 | 成都鼎桥通信技术有限公司 | Terminal with battery switching function |
| CN113541291B (en) * | 2020-04-22 | 2023-10-20 | 成都鼎桥通信技术有限公司 | Terminal with battery switching function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20211230 |