CN201789406U - Switching power supply - Google Patents
Switching power supply Download PDFInfo
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- CN201789406U CN201789406U CN 201020056285 CN201020056285U CN201789406U CN 201789406 U CN201789406 U CN 201789406U CN 201020056285 CN201020056285 CN 201020056285 CN 201020056285 U CN201020056285 U CN 201020056285U CN 201789406 U CN201789406 U CN 201789406U
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- 238000004020 luminiscence type Methods 0.000 claims description 6
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- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000005619 thermoelectricity Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 abstract 8
- 238000012360 testing method Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
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- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to a switching power supply. The switching power supply comprises a power supply module, a current mode controller, a temperature sensor, a service life calculating processor and a pre-warning module, wherein the current mode controller is adopted to process the capacitor current of the power supply module, the temperature sensor is adopted to collect the capacitor temperature of the power supply module, the service life calculating processor is adopted to calculate the collected capacitor temperature signal and the capacitor current wave after being processed to obtain the life span of the capacitor. When the life span of the capacitor is smaller than the warning value of the life span, the life span signal of the capacitor is converted into a PWM (Pulse Width Modulation) signal to output to the pre-warning module, and the pre-warning is sent out, thereby realizing the detection and the pre-warning of the operating life of the switching power supply. By adopting the switching power supply with the functions of the life detection and pre-warning, the service life of the capacitor which is easily damaged can be pre-warned, thereby avoiding the loss caused by the damage of other devices due to the damage of the switching power supply.
Description
Technical field
The utility model relates to switch power technology, more particularly, relates to the Switching Power Supply of a kind of tape lifetime detection and pre-alarm function.
Background technology
Switching Power Supply is the core component of electronic product, also is the easiest damage in the LCD TV, the shortest parts of life-span.In the complete machine of Switching Power Supply the inside, electric capacity is the shortest components and parts of life-span, in the time limit in the life-span by detecting electric capacity, just can judge the life span of Switching Power Supply.
Since existing Switching Power Supply do not have life testing function, in time the sense switch power supply working life and take corresponding measure, so usually can bring the damage of other parts, bring very big loss because of the damage of Switching Power Supply.
The utility model content
The technical problems to be solved in the utility model is, at the above-mentioned defective of prior art, provides a kind of Switching Power Supply with life tests and pre-alarm function.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of Switching Power Supply and comprise:
Be used to produce the power supply module of the current waveform of different mode;
Be connected and be used for the current waveform of the electric capacity of power supply module is modulated the current mode controller of the switch controlling signal that obtains after amplification, compensation, comparison process and output are handled with described power supply module;
Be connected and be used to gather with described power supply module power supply module electric capacity temperature signal and export the temperature sensor of described temperature signal;
Be connected with described temperature sensor with described current mode controller respectively and be used for carrying out computing and calculating the life-span computation processor of electric capacity life span to described temperature signal with through the capacitance current waveform that described current mode controller is handled;
The pre-alarm module that is connected and is used for reporting to the police with described life-span computation processor according to the control signal of described life-span computation processor output.
In Switching Power Supply described in the utility model, described temperature sensor is an occasionally thermistor of thermoelectricity.
In Switching Power Supply described in the utility model, state the pre-alarm module and comprise phonation unit and luminescence unit.
In Switching Power Supply described in the utility model, described phonation unit is a loud speaker; Described luminescence unit is the LED lamp.
Implement Switching Power Supply of the present utility model, have following beneficial effect: the employing current mode controller handles, adopts temperature sensor to gather the capacitance temperature of power supply module to the capacitance current of power supply module, adopts the life-span computation processor that the capacitance temperature signal of collection and the capacitance current waveform after the processing are carried out computing, calculate the electric capacity life span.The life-span computation processor is that pwm signal is exported to the pre-alarm module with electric capacity life span conversion of signals, thereby produces detection and pre-alarm that pre-alarm has realized the Switching Power Supply working life.The Switching Power Supply that has life tests and a pre-alarm function disclosed in the utility model can to its life-span of flimsy electric capacity carry out pre-alarm, can effectively avoid because the loss that other components from being damaged that the damage of Switching Power Supply causes is brought.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the theory diagram of the utility model Switching Power Supply.
Embodiment
Below in conjunction with diagram, preferred embodiment of the present utility model is described in detail.
The theory diagram of the Switching Power Supply of the utility model preferred embodiment mainly comprises power supply module 1, the current mode controller 2 that is connected with power supply module 1 respectively, temperature sensor 3, the life-span computation processor 4 that is connected with temperature sensor 3 with current mode controller 2 respectively and the pre-alarm module 5 that is connected with life-span computation processor 4 as shown in Figure 1.
During Switching Power Supply work, electric current can produce the current waveform of different mode in the power supply module 1.In the Switching Power Supply complete machine, electric capacity is the shortest element of life-span, so by detecting the life span of electric capacity, just can judge the life span of Switching Power Supply.Current mode controller 2 is used for that the current waveform of the electric capacity of power supply module 1 is modulated the switch controlling signal that will obtain after amplification, compensation, comparison process also will be handled and exports to life-span computation processor 4.Temperature sensor 3 be used to gather the electric capacity of power supply module 1 temperature signal, and this temperature signal is exported to life-span computation processor 4, temperature sensor 3 can adopt occasionally thermistor of thermoelectricity in the present embodiment, is not limited only to this temperature sensor of two types certainly.Life-span computation processor 4 is used for the switch controlling signal of the capacitance temperature of temperature sensor 3 collections and current mode controller 2 outputs is carried out computing, calculates the electric capacity life span.Life-span computation processor 4 compares electric capacity life span that calculates and the life span alarming value that sets in advance, when life span was worth less than the preset lifetime time limit, life-span computation processor 4 became the life span conversion of signals to export to pre-alarm module 5 behind the pwm signal and report to the police.Pre-alarm module 5 comprises generating unit and luminescence unit.Phonation unit adopts loud speaker in the present embodiment, and luminescence unit adopts the LED lamp, and loud speaker begins to report to the police after receiving pwm signal, and the LED lamp is lighted, and provides acousto-optic two kinds of type of alarms simultaneously, has realized the life tests and the pre-alarm of Switching Power Supply.
Adopt current mode controller to handle, adopt temperature sensor to gather the capacitance temperature of power supply module to the capacitance current of power supply module, adopt the life-span computation processor to the capacitance temperature signal gathered and the capacitance current waveform after handling carry out computing and draw the electric capacity life span.When electric capacity life span during less than the life span alarming value set, the life-span computation processor is that pwm signal is exported to the pre-alarm module with electric capacity life span conversion of signals, thereby sends detection and pre-alarm that pre-alarm has realized the Switching Power Supply working life.The Switching Power Supply that has life tests and a pre-alarm function disclosed in the utility model can to its life-span of flimsy electric capacity carry out pre-alarm, can effectively avoid because the loss that other components from being damaged that the damage of Switching Power Supply causes is brought.
The above only is a preferred embodiment of the present utility model, not in order to restriction the utility model, all any modifications of being done in spirit of the present utility model and principle, is equal to and replaces or improvement etc., all should be included in the protection range of the present utility model.
Claims (4)
1. a Switching Power Supply is characterized in that, comprising:
Be used to produce the power supply module of the current waveform of different mode;
Be connected and be used for the current waveform of the electric capacity of power supply module is modulated the current mode controller of the switch controlling signal that obtains after amplification, compensation, comparison process and output are handled with described power supply module;
Be connected and be used to gather with described power supply module power supply module electric capacity temperature signal and export the temperature sensor of described temperature signal;
Be connected with described temperature sensor with described current mode controller respectively and be used for carrying out computing and calculating the life-span computation processor of electric capacity life span to described temperature signal with through the capacitance current waveform that described current mode controller is handled;
The pre-alarm module that is connected and is used for reporting to the police with described life-span computation processor according to the control signal of described life-span computation processor output.
2. Switching Power Supply according to claim 1 is characterized in that, described temperature sensor is an occasionally thermistor of thermoelectricity.
3. Switching Power Supply according to claim 1 is characterized in that, described pre-alarm module comprises phonation unit and luminescence unit.
4. Switching Power Supply according to claim 3 is characterized in that, described phonation unit is a loud speaker; Described luminescence unit is the LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020056285 CN201789406U (en) | 2010-01-07 | 2010-01-07 | Switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020056285 CN201789406U (en) | 2010-01-07 | 2010-01-07 | Switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201789406U true CN201789406U (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020056285 Expired - Fee Related CN201789406U (en) | 2010-01-07 | 2010-01-07 | Switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201789406U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707099A (en) * | 2012-05-17 | 2012-10-03 | 惠州Tcl移动通信有限公司 | Test fixture with alarming function |
| CN104216302A (en) * | 2014-08-29 | 2014-12-17 | 珠海格力电器股份有限公司 | control method and system of electric appliance product |
| CN106291174A (en) * | 2016-07-28 | 2017-01-04 | 联想(北京)有限公司 | A kind of life-span preparation method, device, electronic equipment and server |
| CN106443430A (en) * | 2016-08-30 | 2017-02-22 | 浙江西子重工机械有限公司 | Switch life self-test prewarning method and corresponding switch |
-
2010
- 2010-01-07 CN CN 201020056285 patent/CN201789406U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707099A (en) * | 2012-05-17 | 2012-10-03 | 惠州Tcl移动通信有限公司 | Test fixture with alarming function |
| CN104216302A (en) * | 2014-08-29 | 2014-12-17 | 珠海格力电器股份有限公司 | control method and system of electric appliance product |
| CN106291174A (en) * | 2016-07-28 | 2017-01-04 | 联想(北京)有限公司 | A kind of life-span preparation method, device, electronic equipment and server |
| CN106443430A (en) * | 2016-08-30 | 2017-02-22 | 浙江西子重工机械有限公司 | Switch life self-test prewarning method and corresponding switch |
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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 |
Granted publication date: 20110406 Termination date: 20130107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |