CN202841488U - Power supply switching device - Google Patents
Power supply switching device Download PDFInfo
- Publication number
- CN202841488U CN202841488U CN 201220526813 CN201220526813U CN202841488U CN 202841488 U CN202841488 U CN 202841488U CN 201220526813 CN201220526813 CN 201220526813 CN 201220526813 U CN201220526813 U CN 201220526813U CN 202841488 U CN202841488 U CN 202841488U
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- power supply
- connecting line
- earphone jack
- supply unit
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Abstract
The utility model discloses a power supply switching device which comprises a plug and a socket. The plug comprises a plug of a first earphone and a plug of a second earphone. The socket comprises a jack of the first earphone and a jack of the second earphone. A left channel of the jack of the first earphone is connected with a supplied power input end of electrical equipment, and a detection pin of the left channel is connected with the anode of first power supply equipment. A left channel of the plug of the second earphone is connected with a ground terminal of the electrical equipment and a detection pin of the left channel is connected with the cathode of the first power supply equipment. A left channel of the plug of the first earphone is connected with the anode of second power supplying equipment and a left channel of the plug of the second earphone is connected with the cathode of the second power supplying equipment. When the plugs are inserted into the jacks, the left channel of the plug of the first earphone is connected with the left channel of the jack of the first earphone and the left channel of the plug of the second earphone is connected with the left channel of the jack of the second earphone. With the power supply switching device, seamless power supply switching can be performed under the condition that the electrical equipment is constantly powered so that normal proceeding of mobile testing can be ensured.
Description
Technical field
The utility model relates to a kind of power switching device, particularly relates to a kind of power switching device of switching between power supply unit under the prerequisite that power consumption equipment do not cut off the power supply of can guaranteeing.
Background technology
The present portable terminals such as mobile phone all can carry out various performance tests when producing, when test, all need to be the mobile phone power supply, and supply electrical domain at this light current, often need between many power supply units, carry out seamless switching, require namely that power consumption equipment can not cut off the power supply in the process of switching, must guarantee consistent normal operation, to guarantee carrying out smoothly and guaranteeing data analysis and processing to test of test.But in the test process of mobile phone industry, seldom can reach the seamless switching technique of power supply unit in the prior art, cause often can bringing unnecessary trouble to mobile phone test.
The utility model content
The technical problems to be solved in the utility model is in order seldom to reach the seamless switching technique of power supply unit in the test process that overcomes mobile phone industry in the prior art, cause causing the defective of trouble to mobile phone test, a kind of power switching device of switching between power supply unit under the prerequisite that power consumption equipment do not cut off the power supply of can guaranteeing is provided.
The utility model solves above-mentioned technical problem by following technical proposals:
The utility model provides a kind of power switching device, its characteristics are, it comprises a plug and a socket, described plug comprises one first headset plug and one second headset plug, described socket comprises one first earphone jack and one second earphone jack, and described the first headset plug and described the second headset plug are complementary with described the first earphone jack and described the second earphone jack respectively;
The connecting line of the L channel of described the first earphone jack is used for being connected with the electrical input that supplies of a power consumption equipment, the L channel of described the first earphone jack detects pin and is used for being connected with the positive pole of one first power supply unit, the connecting line of the L channel of described the second earphone jack is used for being connected with the earth terminal of described power consumption equipment, the L channel of described the second earphone jack detects pin and is used for being connected with the negative pole of described the first power supply unit, the connecting line of the L channel of wherein said the first earphone jack detects pin with the L channel of described the first earphone jack and is connected by one first snap switch, and the connecting line of the L channel of described the second earphone jack detects pin with the L channel of described the second earphone jack and is connected by one second snap switch;
The connecting line of the L channel of described the first headset plug is used for being connected with the positive pole of one second power supply unit, the connecting line of the L channel of described the second headset plug is used for being connected with the negative pole of described the second power supply unit, and described the first power supply unit and described the second power supply unit all are used to described power consumption equipment power supply;
When described the first headset plug and described the second headset plug insert respectively described the first earphone jack and described the second earphone jack, described the first snap switch and described the second snap switch all disconnect, and the connecting line of the L channel of described the first headset plug is connected with the connecting line of the L channel of described the first earphone jack, and the connecting line of the L channel of described the second headset plug is connected with the connecting line of the L channel of described the second earphone jack.
When described the first headset plug and described the second headset plug did not insert described the first earphone jack and described the second earphone jack, described the first power supply unit can directly be powered to described power consumption equipment by described socket, and concrete principle is:
Because detecting pin with the L channel of described the first earphone jack, the connecting line of the L channel of described the first earphone jack is connected by one first snap switch, the connecting line of the L channel of described the second earphone jack detects pin with the L channel of described the second earphone jack and is connected by one second snap switch, the positive pole of described the first power supply unit by the L channel of described the first earphone jack connecting line and L channel detect pin just can with being connected for electrical input of described power consumption equipment, the negative pole of described the first power supply unit then connecting line and the L channel detection pin of the L channel by described the second earphone jack just can be connected with the earth terminal of described power consumption equipment.Like this, the annexation by all parts just can form the loop, thereby so that whole circuit can conducting, and then described the first power supply unit just can be powered to described power consumption equipment.
And when described the first power supply unit power shortage, just need to carry out the seamless power switching of power supply unit, namely guarantee not cut off the power supply at power consumption equipment described in the power switching process always, thereby guarantee normally carrying out of mobile phone test supervisor.At this moment, utilize described power switching device, described the first headset plug and described the second headset plug are inserted respectively described the first earphone jack and described the second earphone jack, like this, described the first snap switch and described the second snap switch all disconnect, the current supply circuit that is above-mentioned the first power supply unit also can disconnect, and described the first power supply unit is no longer power supply just.
And the connecting line of the L channel of described the first headset plug will be connected with the connecting line of the L channel of described the first earphone jack, and the connecting line of the L channel of described the second headset plug will be connected with the connecting line of the L channel of described the second earphone jack.Like this, by above-mentioned annexation, just can be so that the connecting line of the positive pole of described the second power supply unit by the L channel of described the first headset plug and the connecting line of L channel and being connected for electrical input of described power consumption equipment of described the first earphone jack, the negative pole of described the second power supply unit then connecting line of the L channel of the connecting line of the L channel by described the second headset plug and described the second earphone jack is connected with the earth terminal of described power consumption equipment.Thereby just formed the loop of described second power supply unit and described power consumption equipment, so that described the second power supply unit can replace described the first power supply unit that described power consumption equipment is powered.
Again because the L channel acquiescence all is the contact point foremost of headset plug, therefore, when described the first headset plug and described the second headset plug are inserted respectively described the first earphone jack and described the second earphone jack, the connecting line of the connecting line of the L channel of described the first headset plug and the L channel of described the second headset plug just can guarantee respectively at first to contact first with the connecting line of the L channel of described the first earphone jack and the connecting line of the L channel of described the second earphone jack, this moment, described the first snap switch and described the second snap switch not yet disconnected, like this, the situation that described the first power supply unit and described the second power supply unit are powered has simultaneously namely appearred, but owing to being light current all, and the time of powering simultaneously is very short, therefore power supply unit is not had harmful effect.
And the contact head foremost of following the contact head foremost of described the first headset plug and described the second headset plug can push respectively the shell fragment of described the first snap switch and described the second snap switch, thereby so that described the first snap switch and described the second snap switch disconnect, and then also just disconnected the current supply circuit of described the first power supply unit.
Because in whole process, at first to be communicated with after loop between described the second power supply unit and the described power consumption equipment guarantees that described the second power supply unit can be powered, just can the current supply circuit of described the first power supply unit be disconnected, so just guaranteed under the prerequisite that described power consumption equipment does not cut off the power supply always, to carry out the switching of power supply unit.
Preferably, described plug also comprises a third ear machine transplanting of rice head, described socket also comprises a third ear machine transplanting of rice hole, described third ear machine transplanting of rice head and described third ear machine transplanting of rice hole are complementary, the connecting line of the L channel in described third ear machine transplanting of rice hole is used for being connected with the charging utmost point of described power consumption equipment, the connecting line of the L channel of described third ear machine transplanting of rice head is used for being connected with the positive pole of one the 3rd power supply unit, the connecting line of the L channel of described the second headset plug also is used for being connected with the negative pole of described the 3rd power supply unit, and described the 3rd power supply unit is used to described power consumption equipment charging;
When described third ear machine transplanting of rice head inserted described third ear machine transplanting of rice hole, the connecting line of the L channel of described third ear machine transplanting of rice head was connected with the connecting line of the L channel in described third ear machine transplanting of rice hole.
When described the first headset plug, described the second headset plug and described third ear machine transplanting of rice head insert respectively described the first earphone jack, when described the second earphone jack and described third ear machine transplanting of rice hole, when having guaranteed that described the second power supply unit is powered to described power consumption equipment, since the positive pole of described the 3rd power supply unit by the L channel of described third ear machine transplanting of rice head connecting line and the connecting line of the L channel in described third ear machine transplanting of rice hole be connected with the charging utmost point of described power consumption equipment, the negative pole of described the 3rd power supply unit by the L channel of described the second headset plug connecting line and the connecting line of the L channel of described the second earphone jack be connected with the earth terminal of described power consumption equipment, and then also just formed path, thereby just can be so that described the 3rd power supply unit be described power consumption equipment charging.
Preferably, described power consumption equipment is a mobile phone.
Positive progressive effect of the present utility model is: the utility model can guarantee to carry out seamless power switching under the prerequisite that power consumption equipment does not cut off the power supply between power supply unit, thereby has guaranteed normally carrying out of mobile phone test supervisor.
Description of drawings
Fig. 1 is the structure chart of the power switching device of a preferred embodiment of the present utility model.
Fig. 2 is the use state diagram of the power switching device of a preferred embodiment of the present utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
As shown in Figure 1, power switching device of the present utility model comprises a plug 1 and a socket 2, described plug 1 comprises one first headset plug 11, one second headset plug 12 and a third ear machine transplanting of rice 13, described socket 2 comprises one first earphone jack 21, one second earphone jack 22 and a third ear machine transplanting of rice hole 23, and wherein said the first headset plug 11, described the second headset plug 12 and the described third ear machine transplanting of rice 13 is complementary with described the first earphone jack 21, described the second earphone jack 22 and described third ear machine transplanting of rice hole 23 respectively.
Wherein, the connecting line of the L channel of described the first earphone jack 21 is connected for electrical input with a mobile phone, the L channel of described the first earphone jack 21 detects pin and is connected with the positive pole of one first power supply unit, the connecting line of the L channel of described the second earphone jack 22 is connected with the earth terminal of described mobile phone, the L channel of described the second earphone jack 22 detects pin and is connected with the negative pole of described the first power supply unit, the connecting line of the L channel of wherein said the first earphone jack 21 detects pin with the L channel of described the first earphone jack 21 and is connected by one first snap switch, and the connecting line of the L channel of described the second earphone jack 22 detects pin with the L channel of described the second earphone jack 22 and is connected by one second snap switch.
The connecting line of the L channel of described the first headset plug 11 is connected with the positive pole of one second power supply unit, the connecting line of the L channel of described the second headset plug 12 is connected with the negative pole of described the second power supply unit, and described the first power supply unit and described the second power supply unit all are used to described mobile phone power supply.
Like this, when described the first headset plug 11 and described the second headset plug 12 do not insert described the first earphone jack 21 with described the second earphone jack 22, described the first power supply unit can directly be powered by 2 pairs of described mobile phones of described socket, and concrete principle is:
Because detecting pin with the L channel of described the first earphone jack 21, the connecting line of the L channel of described the first earphone jack 21 is connected by one first snap switch, the connecting line of the L channel of described the second earphone jack 22 detects pin with the L channel of described the second earphone jack 22 and is connected by one second snap switch, the positive pole of described the first power supply unit by the L channel of described the first earphone jack 21 connecting line and L channel detect pin just can with being connected for electrical input of described mobile phone, the negative pole of described the first power supply unit then connecting line and the L channel detection pin of the L channel by described the second earphone jack 22 just can be connected with the earth terminal of described mobile phone.Like this, the annexation by all parts just can form the loop, thereby so that whole circuit can conducting, and then described the first power supply unit just can be powered to described mobile phone.
And when described the first power supply unit power shortage, just need to carry out the seamless power switching of power supply unit, guarantee when power switching that namely described mobile phone does not cut off the power supply always, thereby guarantee normally carrying out of mobile phone test supervisor.At this moment, utilize described power switching device, described the first headset plug 11 and described the second headset plug 12 are inserted respectively described the first earphone jack 21 and described the second earphone jack 22, like this, described the first snap switch and described the second snap switch all disconnect, the current supply circuit that is above-mentioned the first power supply unit also can disconnect, and described the first power supply unit is no longer power supply just.
And the connecting line of the L channel of described the first headset plug 11 will be connected with the connecting line of the L channel of described the first earphone jack 21, and the connecting line of the L channel of described the second headset plug 12 will be connected with the connecting line of the L channel of described the second earphone jack 22.Like this, by above-mentioned annexation, just can be so that the connecting line of the positive pole of described the second power supply unit by the L channel of described the first headset plug 11 and the connecting line of L channel and being connected for electrical input of described mobile phone of described the first earphone jack 21, the negative pole of described the second power supply unit then connecting line of the L channel of the connecting line of the L channel by described the second headset plug 12 and described the second earphone jack 22 is connected with the earth terminal of described mobile phone.Thereby just formed the loop of described second power supply unit and described mobile phone, so that described the second power supply unit can replace described the first power supply unit that described mobile phone is powered.
Again because the L channel acquiescence all is the contact point foremost of headset plug, therefore, when described the first headset plug 11 and described the second headset plug 12 are inserted respectively described the first earphone jack 21 with described the second earphone jack 22, the connecting line of the connecting line of the L channel of described the first headset plug 11 and the L channel of described the second headset plug 12 just can guarantee respectively at first to contact first with the connecting line of the L channel of described the first earphone jack 21 and the connecting line of the L channel of described the second earphone jack 22, this moment, described the first snap switch and described the second snap switch not yet disconnected, like this, the situation that described the first power supply unit and described the second power supply unit are powered has simultaneously namely appearred, but owing to being light current all, and the time of powering simultaneously is very short, therefore power supply unit is not had harmful effect.
And the contact head foremost of following the contact head foremost of described the first headset plug 11 and described the second headset plug 12 can push respectively the shell fragment of described the first snap switch and described the second snap switch, thereby so that described the first snap switch and described the second snap switch disconnect, and then also just disconnected the current supply circuit of described the first power supply unit.
Because in whole process, at first to be communicated with after loop between described the second power supply unit and the described mobile phone guarantees that described the second power supply unit can be powered, just can the current supply circuit of described the first power supply unit be disconnected, so just guaranteed under the prerequisite that described mobile phone does not cut off the power supply always, to carry out the switching of power supply unit.
And in specific implementation process, for when described the second power supply unit is powered to described mobile phone, can also be described cell-phone charging, just the connecting line with the L channel in described third ear machine transplanting of rice hole 23 is connected with the charging utmost point of described mobile phone, the connecting line of the L channel of the described third ear machine transplanting of rice 13 is connected with the positive pole of one the 3rd power supply unit, the connecting line of the L channel of described the second headset plug 12 also is connected with the negative pole of described the 3rd power supply unit, and described the 3rd power supply unit is used to described cell-phone charging.
When described the first earphone jack 21, described the second earphone jack 22 and described third ear machine transplanting of rice hole 23 were inserted respectively in described the first headset plug 11, described the second headset plug 12 and the described third ear machine transplanting of rice 13, the connecting line of the L channel of the described third ear machine transplanting of rice 13 was connected with the connecting line of the L channel in described third ear machine transplanting of rice hole 23.
When described the first headset plug 11, described the first earphone jack 21 is inserted respectively in described the second headset plug 12 and the described third ear machine transplanting of rice 13, when described the second earphone jack 22 and described third ear machine transplanting of rice hole 23, when having guaranteed that described the second power supply unit is powered to described mobile phone, since the positive pole of described the 3rd power supply unit by the L channel of the described third ear machine transplanting of rice 13 connecting line and the connecting line of the L channel in described third ear machine transplanting of rice hole 23 be connected with the charging utmost point of described mobile phone, the negative pole of described the 3rd power supply unit by the L channel of described the second headset plug 12 connecting line and the connecting line of the L channel of described the second earphone jack 22 be connected with the earth terminal of described mobile phone, and then also just formed path, thereby just can be so that described the 3rd power supply unit be described cell-phone charging.
Described power switching device when reality is used and the line of mobile phone and power supply unit relation specifically can be referring to Fig. 2, wherein
The connecting line of the L channel of described the first headset plug 11 of line 100 expressions is connected with the positive pole of described the second power supply unit, the connecting line of the L channel of described the second headset plug 12 of line 101 expressions is connected with the negative pole of described the second power supply unit, the connecting line of the L channel of described the second headset plug 12 of line 102 expression also is connected with the negative pole of described the 3rd power supply unit, and line 103 represents that then the connecting line of the L channel of the described third ear machine transplanting of rice 13 is connected with the positive pole of described the 3rd power supply unit.
The connecting line of L channel and being connected for electrical input of described mobile phone of described the first earphone jack 21 of line 200 expressions, the L channel of described the first earphone jack 21 of line 201 expressions detects pin and is connected with the positive pole of described the first power supply unit, the connecting line of the L channel of described the second earphone jack 22 of line 202 expressions is connected with the earth terminal of described mobile phone, the L channel of described the second earphone jack 22 of line 203 expressions detects pin and is connected with the negative pole of described the first power supply unit, and the connecting line of the L channel in 204 described third ear machine transplanting of rice of expression of line hole 23 is connected with the charging utmost point of described mobile phone.
Although more than described 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 limited by appended claims.Those skilled in the art can make various changes or modifications to these execution modes under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection range of the present utility model.
Claims (3)
1. power switching device, it is characterized in that, it comprises a plug and a socket, described plug comprises one first headset plug and one second headset plug, described socket comprises one first earphone jack and one second earphone jack, and described the first headset plug and described the second headset plug are complementary with described the first earphone jack and described the second earphone jack respectively;
The connecting line of the L channel of described the first earphone jack is used for being connected with the electrical input that supplies of a power consumption equipment, the L channel of described the first earphone jack detects pin and is used for being connected with the positive pole of one first power supply unit, the connecting line of the L channel of described the second earphone jack is used for being connected with the earth terminal of described power consumption equipment, the L channel of described the second earphone jack detects pin and is used for being connected with the negative pole of described the first power supply unit, the connecting line of the L channel of wherein said the first earphone jack detects pin with the L channel of described the first earphone jack and is connected by one first snap switch, and the connecting line of the L channel of described the second earphone jack detects pin with the L channel of described the second earphone jack and is connected by one second snap switch;
The connecting line of the L channel of described the first headset plug is used for being connected with the positive pole of one second power supply unit, the connecting line of the L channel of described the second headset plug is used for being connected with the negative pole of described the second power supply unit, and described the first power supply unit and described the second power supply unit all are used to described power consumption equipment power supply;
When described the first headset plug and described the second headset plug insert respectively described the first earphone jack and described the second earphone jack, described the first snap switch and described the second snap switch all disconnect, and the connecting line of the L channel of described the first headset plug is connected with the connecting line of the L channel of described the first earphone jack, and the connecting line of the L channel of described the second headset plug is connected with the connecting line of the L channel of described the second earphone jack.
2. power switching device as claimed in claim 1, it is characterized in that, described plug also comprises a third ear machine transplanting of rice head, described socket also comprises a third ear machine transplanting of rice hole, described third ear machine transplanting of rice head and described third ear machine transplanting of rice hole are complementary, the connecting line of the L channel in described third ear machine transplanting of rice hole is used for being connected with the charging utmost point of described power consumption equipment, the connecting line of the L channel of described third ear machine transplanting of rice head is used for being connected with the positive pole of one the 3rd power supply unit, the connecting line of the L channel of described the second headset plug also is used for being connected with the negative pole of described the 3rd power supply unit, and described the 3rd power supply unit is used to described power consumption equipment charging;
When described third ear machine transplanting of rice head inserted described third ear machine transplanting of rice hole, the connecting line of the L channel of described third ear machine transplanting of rice head was connected with the connecting line of the L channel in described third ear machine transplanting of rice hole.
3. power switching device as claimed in claim 2 is characterized in that, described power consumption equipment is a mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220526813 CN202841488U (en) | 2012-10-15 | 2012-10-15 | Power supply switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220526813 CN202841488U (en) | 2012-10-15 | 2012-10-15 | Power supply switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202841488U true CN202841488U (en) | 2013-03-27 |
Family
ID=47953075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220526813 Withdrawn - After Issue CN202841488U (en) | 2012-10-15 | 2012-10-15 | Power supply switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202841488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946138A (en) * | 2012-10-15 | 2013-02-27 | 东莞华贝电子科技有限公司 | Power supply switching device |
-
2012
- 2012-10-15 CN CN 201220526813 patent/CN202841488U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946138A (en) * | 2012-10-15 | 2013-02-27 | 东莞华贝电子科技有限公司 | Power supply switching device |
| CN102946138B (en) * | 2012-10-15 | 2014-10-22 | 东莞华贝电子科技有限公司 | Power supply switching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130327 Effective date of abandoning: 20141022 |
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| RGAV | Abandon patent right to avoid regrant |