CN201497781U - Resistance type power adapter aging device - Google Patents
Resistance type power adapter aging device Download PDFInfo
- Publication number
- CN201497781U CN201497781U CN 200920193948 CN200920193948U CN201497781U CN 201497781 U CN201497781 U CN 201497781U CN 200920193948 CN200920193948 CN 200920193948 CN 200920193948 U CN200920193948 U CN 200920193948U CN 201497781 U CN201497781 U CN 201497781U
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- power supply
- ammeter
- electrically connected
- input end
- socket
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Abstract
The utility model relates to the technical field of aging devices, in particular to a resistance type power adapter aging device, which comprises a casing. The casing is provided with a primary voltage input end used for inputting primary voltage of a power adapter, a primary socket, a secondary alternating current socket, a secondary direct current socket and a loading resistor, wherein the primary voltage input end is electrically connected with the primary socket through a conducting wire, the secondary alternating current socket is electrically connected with two ends of the loading resistor through conducting wires, and the secondary direct current socket is electrically connected with two ends of the loading resistor through conducting wires. The resistance type power adapter aging device can age alternating current output power adapters and direct current output power adapters, is extremely convenient in operation and can reduce production cost.
Description
Technical field:
The utility model relates to the aging equipment technical field, relates in particular to a kind of resistance-type power supply adaptor aging equipment.
Background technology:
General electronic product is as power supply adaptor, in order to guarantee its quality and working properly, before dispatching from the factory, all need through overaging (claiming the burning machine again) test, promptly adopt aging equipment that power supply adaptor is inserted load, the analog operation state, whether working properly to observe power supply adaptor.
Existing power supply adaptor aging equipment majority is a resistance-type power supply adaptor aging equipment, it is the output characteristics according to power supply adaptor, dispose suitable resistive load (as cement resistor), power supply adaptor is worn out, but, present resistance-type power supply adaptor aging equipment all is only to be provided with to exchange out-put supply adapter aging circuit or dc output power adapter aging circuit, exchanging the out-put supply adapter needs different resistance-type power supply adaptor aging equipments to wear out with the dc output power adapter, exchange out-put supply adapter and dc output power adapter and all special aging equipment need be set, the production cost height, and operation is extremely inconvenient.
The utility model content:
The purpose of this utility model is exactly the deficiency that exists at prior art and a kind of resistance-type power supply adaptor aging equipment that out-put supply adapter and dc output power adapter all can wear out that exchanges is provided.
To achieve these goals, the technical solution adopted in the utility model is:
It comprises housing, described housing is provided with the primary voltage input end that is used to import the power supply adaptor primary voltage, elementary socket, secondary AC socket, secondary direct current jack, pull-up resistor, the primary voltage input end is electrically connected with elementary socket by lead, secondary AC socket is electrically connected with the two ends of pull-up resistor by lead, and secondary direct current jack is electrically connected with the two ends of pull-up resistor by lead.
Described pull-up resistor is an adjustable resistance, and housing is provided with the load current adjusting knob that is used for regulating load resistance.
Described housing is provided with attaching plug, is used for the alternating current ammeter and the DC ammeter of display power supply adapter load current, be provided with the power supply circuit board that is used to alternating current ammeter and DC ammeter that working power is provided in the housing, the input end of power supply circuit board is electrically connected with attaching plug, and the output terminal of power supply circuit board is electrically connected with the power input of alternating current ammeter and DC ammeter; Wherein, alternating current ammeter is connected between secondary AC socket and the pull-up resistor, and DC ammeter is connected between secondary direct current jack and the pull-up resistor.
Described power supply circuit board is provided with power-switching circuit, power-switching circuit is by transformer T1, bridge rectifier BRD1, filter capacitor C, voltage stabilizing chip U1 forms, the input end of transformer T1 is electrically connected with attaching plug, the output terminal of transformer T1 is connected with the input end of bridge rectifier BRD1, the cathode output end of bridge rectifier BRD1 is connected with the positive pole of filter capacitor C, the cathode output end of bridge rectifier BRD1 is connected with the negative pole of filter capacitor C, the input end of voltage stabilizing chip U1 is connected with the cathode output end of bridge rectifier BRD1, the earth terminal of voltage stabilizing chip U1 is connected with the cathode output end of bridge rectifier BRD1, the output terminal of voltage stabilizing chip U1 is electrically connected with the cathode power supply input end of alternating current ammeter and DC ammeter, and the cathode output end of bridge rectifier BRD1 is electrically connected with the negative power supply input end of alternating current ammeter and DC ammeter.
Described voltage stabilizing chip U1 is a three-terminal voltage-stabilizing pipe 7805.
Described housing is provided with protective tube.
The utility model beneficial effect is:
The resistance-type power supply adaptor aging equipment that the utility model provides comprises housing, described housing is provided with the primary voltage input end that is used to import the power supply adaptor primary voltage, elementary socket, secondary AC socket, secondary direct current jack, pull-up resistor, the primary voltage input end is electrically connected with elementary socket by lead, secondary AC socket is electrically connected with the two ends of pull-up resistor by lead, and secondary direct current jack is electrically connected with the two ends of pull-up resistor by lead; When the aging interchange of needs out-put supply adapter, the elementary plug of out-put supply adapter will insert in the elementary socket of the present utility model, secondary plug inserts in the secondary AC socket of the present utility model as long as will exchange, make pull-up resistor be electrically connected with the secondary plug that exchanges the out-put supply adapter, again primary voltage input end of the present utility model is inserted and the input voltage that exchanges out-put supply adapter coupling, promptly can wear out exchanging the out-put supply adapter; When needs wear out the dc output power adapter, as long as with the elementary plug of dc output power adapter insert in the elementary socket of the present utility model, secondary plug inserts in the secondary direct current jack of the present utility model, make pull-up resistor be electrically connected with the secondary plug of dc output power adapter, again primary voltage input end of the present utility model is inserted the input voltage that mates with the dc output power adapter, promptly can wear out the dc output power adapter; Therefore, the utility model all can wear out to exchanging out-put supply adapter and dc output power adapter, and is easy to operate, can reduce production costs.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the circuit theory diagrams of the utility model power-switching circuit.
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described, please refer to Fig. 1,2, the utility model comprises housing 1, described housing 1 is provided with primary voltage input end 2, elementary socket 3, secondary AC socket 4, secondary direct current jack 5, the pull-up resistor 6 that is used to import the power supply adaptor primary voltage, wherein, primary voltage input end 2 can be for plug etc., and it is used to connect the input voltage with the power supply adaptor coupling, as alternating current 220V; Primary voltage input end 2 is electrically connected with elementary socket 3 by lead, and secondary AC socket 4 is electrically connected by the two ends of lead with pull-up resistor 6, and secondary direct current jack 5 is electrically connected by the two ends of lead with pull-up resistor 6.
The pull-up resistor 6 of present embodiment is an adjustable resistance, housing 1 is provided with the load current adjusting knob 7 that is used for regulating load resistance 6, when the power supply adaptor of the aging different size of needs, can be by the resistance of load current adjusting knob 7 regulating load resistance 6, the load current when thereby the adjusting power supply adaptor is aging, make that load current is the rated current of power supply adaptor, avoids load current too high or too low.
The housing 1 of present embodiment is provided with attaching plug 8, is used for the alternating current ammeter 9 and the DC ammeter 10 of display power supply adapter load current, be provided with the power supply circuit board 11 that is used to alternating current ammeter 9 and DC ammeter 10 that working power is provided in the housing 1, the input end of power supply circuit board 11 is electrically connected with attaching plug 8, and the output terminal of power supply circuit board 11 is electrically connected with the power input of alternating current ammeter 9 and DC ammeter 10; Wherein, alternating current ammeter 9 is connected between secondary AC socket 4 and the pull-up resistor 6, be used to show the load current that wears out when exchanging the out-put supply adapter, DC ammeter 10 is connected between secondary direct current jack 5 and the pull-up resistor 6, be used to show the load current when wearing out the dc output power adapter, like this, whether aging when exchanging out-put supply adapter or dc output power adapter, it is accurate to observe the load current that load current adjusting knob 7 regulates intuitively by alternating current ammeter 9 or DC ammeter 10.
The power supply circuit board 11 of present embodiment is provided with power-switching circuit 13, power-switching circuit 13 be used for will input the 220V alternating current be converted to the direct current of 5V, for alternating current ammeter 9 and DC ammeter 10 provide working power; Wherein, power-switching circuit 13 is by transformer T1, bridge rectifier BRD1, filter capacitor C, voltage stabilizing chip U1 forms, the input end of transformer T1 is electrically connected with attaching plug 8, the output terminal of transformer T1 is connected with the input end of bridge rectifier BRD1, the cathode output end of bridge rectifier BRD1 is connected with the positive pole of filter capacitor C, the cathode output end of bridge rectifier BRD1 is connected with the negative pole of filter capacitor C, the input end of voltage stabilizing chip U1 is connected with the cathode output end of bridge rectifier BRD1, the earth terminal of voltage stabilizing chip U1 is connected with the cathode output end of bridge rectifier BRD1, the output terminal of voltage stabilizing chip U1 is electrically connected with the cathode power supply input end of alternating current ammeter 9 and DC ammeter 10, and the cathode output end of bridge rectifier BRD1 is electrically connected with the negative power supply input end of alternating current ammeter 9 and DC ammeter 10; Described voltage stabilizing chip U1 is a three-terminal voltage-stabilizing pipe 7805; Described housing 1 is provided with protective tube 12, and protective tube 12 is connected in series in the live wire input end of attaching plug 8.
The utility model in use, when the aging interchange of needs out-put supply adapter, at first attaching plug 8 to be inserted in the AC outlet of 220V, then, the elementary plug (promptly exchanging the power input plug of out-put supply adapter) that exchanges the out-put supply adapter is inserted in the elementary socket 3 of the present utility model, secondary plug (promptly exchanging the power supply output plug of out-put supply adapter) inserts in the secondary AC socket 4 of the present utility model, make and exchange the out-put supply adapter, pull-up resistor 6 forms a loop of connecting with alternating current ammeter 9, at this moment, primary voltage input end 2 of the present utility model is inserted and the input voltage that exchanges out-put supply adapter coupling, by the nominal load current of load current adjusting knob 7 regulating load electric currents, promptly can wear out again to exchanging the out-put supply adapter for interchange out-put supply adapter.
When needs wear out the dc output power adapter, at first attaching plug 8 to be inserted in the AC outlet of 220V, then, the elementary plug (being the power input plug of dc output power adapter) of dc output power adapter is inserted in the elementary socket 3 of the present utility model, secondary plug (being the power supply output plug of dc output power adapter) inserts in the secondary direct current jack 5 of the present utility model, make the dc output power adapter, pull-up resistor 6 forms a loop of connecting with DC ammeter 10, at this moment, primary voltage input end 2 of the present utility model is inserted the input voltage that mates with the dc output power adapter, be the nominal load current of dc output power adapter by load current adjusting knob 7 regulating load electric currents again, promptly can wear out the dc output power adapter.As can be seen from the above technical solutions, the utility model all can wear out to exchanging out-put supply adapter and dc output power adapter, and can pass through load current adjusting knob 7 regulating load electric currents, aging with the power supply adaptor that satisfies different nominal load current, easy to operate, can reduce production costs.
Certainly, the above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (6)
1. resistance-type power supply adaptor aging equipment, it comprises housing, it is characterized in that: described housing is provided with the primary voltage input end that is used to import the power supply adaptor primary voltage, elementary socket, secondary AC socket, secondary direct current jack, pull-up resistor, the primary voltage input end is electrically connected with elementary socket by lead, secondary AC socket is electrically connected with the two ends of pull-up resistor by lead, and secondary direct current jack is electrically connected with the two ends of pull-up resistor by lead.
2. resistance-type power supply adaptor aging equipment according to claim 1 is characterized in that: described pull-up resistor is an adjustable resistance, and housing is provided with the load current adjusting knob that is used for regulating load resistance.
3. resistance-type power supply adaptor aging equipment according to claim 2, it is characterized in that: described housing is provided with attaching plug, is used for the alternating current ammeter and the DC ammeter of display power supply adapter load current, be provided with the power supply circuit board that is used to alternating current ammeter and DC ammeter that working power is provided in the housing, the input end of power supply circuit board is electrically connected with attaching plug, and the output terminal of power supply circuit board is electrically connected with the power input of alternating current ammeter and DC ammeter; Wherein, alternating current ammeter is connected between secondary AC socket and the pull-up resistor, and DC ammeter is connected between secondary direct current jack and the pull-up resistor.
4. resistance-type power supply adaptor aging equipment according to claim 3, it is characterized in that: described power supply circuit board is provided with power-switching circuit, power-switching circuit is by transformer T1, bridge rectifier BRD1, filter capacitor C, voltage stabilizing chip U1 forms, the input end of transformer T1 is electrically connected with attaching plug, the output terminal of transformer T1 is connected with the input end of bridge rectifier BRD1, the cathode output end of bridge rectifier BRD1 is connected with the positive pole of filter capacitor C, the cathode output end of bridge rectifier BRD1 is connected with the negative pole of filter capacitor C, the input end of voltage stabilizing chip U1 is connected with the cathode output end of bridge rectifier BRD1, the earth terminal of voltage stabilizing chip U1 is connected with the cathode output end of bridge rectifier BRD1, the output terminal of voltage stabilizing chip U1 is electrically connected with the cathode power supply input end of alternating current ammeter and DC ammeter, and the cathode output end of bridge rectifier BRD1 is electrically connected with the negative power supply input end of alternating current ammeter and DC ammeter.
5. resistance-type power supply adaptor aging equipment according to claim 4 is characterized in that: described voltage stabilizing chip U1 is a three-terminal voltage-stabilizing pipe 7805.
6. according to any described resistance-type power supply adaptor aging equipment of claim 1 to 5, it is characterized in that: described housing is provided with protective tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920193948 CN201497781U (en) | 2009-09-03 | 2009-09-03 | Resistance type power adapter aging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920193948 CN201497781U (en) | 2009-09-03 | 2009-09-03 | Resistance type power adapter aging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201497781U true CN201497781U (en) | 2010-06-02 |
Family
ID=42440985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920193948 Expired - Lifetime CN201497781U (en) | 2009-09-03 | 2009-09-03 | Resistance type power adapter aging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201497781U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444584A (en) * | 2018-11-09 | 2019-03-08 | 广州市微龙电子科技有限公司 | A kind of burn in test circuit of charging gun, device and method |
| WO2019237331A1 (en) * | 2018-06-15 | 2019-12-19 | Oppo广东移动通信有限公司 | Adapter aging detection method and apparatus for device to be charged |
| WO2019237330A1 (en) * | 2018-06-15 | 2019-12-19 | Oppo广东移动通信有限公司 | Adapter aging detection method and apparatus for device to be charged |
-
2009
- 2009-09-03 CN CN 200920193948 patent/CN201497781U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019237331A1 (en) * | 2018-06-15 | 2019-12-19 | Oppo广东移动通信有限公司 | Adapter aging detection method and apparatus for device to be charged |
| WO2019237330A1 (en) * | 2018-06-15 | 2019-12-19 | Oppo广东移动通信有限公司 | Adapter aging detection method and apparatus for device to be charged |
| CN111433615A (en) * | 2018-06-15 | 2020-07-17 | Oppo广东移动通信有限公司 | Adapter aging detection method and device for equipment to be charged |
| CN111433619A (en) * | 2018-06-15 | 2020-07-17 | Oppo广东移动通信有限公司 | Adapter aging detection method and device for equipment to be charged |
| CN111433619B (en) * | 2018-06-15 | 2023-02-28 | Oppo广东移动通信有限公司 | Adapter aging detection method and device for equipment to be charged |
| CN109444584A (en) * | 2018-11-09 | 2019-03-08 | 广州市微龙电子科技有限公司 | A kind of burn in test circuit of charging gun, device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100602 |