CN203942459U - The power supply unit with monitoring temperature - Google Patents
The power supply unit with monitoring temperature Download PDFInfo
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- CN203942459U CN203942459U CN201420317042.3U CN201420317042U CN203942459U CN 203942459 U CN203942459 U CN 203942459U CN 201420317042 U CN201420317042 U CN 201420317042U CN 203942459 U CN203942459 U CN 203942459U
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Abstract
A power supply unit with monitoring temperature, includes a circuit board, a power switching module and a temperature monitoring module.Wherein, this power switching module includes an electric connection external power source and obtains the power input end mouth of an external power, and connect this power input end mouth and this external power is carried out to the output of electric power modulation have the electric power modulation unit and of a power for operation to connect this electric power modulation unit by the power output end mouth of this power for operation output supply one electronic installation operation; This temperature monitoring module includes the temp-sensing element that contiguous this power output end mouth setting this power output end mouth peripheral temperature of sensing are exported a temperature signal, and one connects this electric power modulation unit and this temp-sensing element and when this temperature signal surmounts a temperature alarm condition, stops the protection control unit of this electric power modulation cell operation.
Description
Technical field
The utility model relates to a kind of power supply unit, espespecially a kind of power supply unit with monitoring temperature.
Background technology
Along with the operation efficiency lifting of electronic equipment, the electric power of required consumption increases relatively, and therefore, none does not propose design for large wattage power supply unit each power supply unit manufacturer.Yet, the electric power that power supply unit can be exported larger wattage represent that the electronic device of itself is relatively many, but in the power supply unit shell under set specification, set up the heat-dissipating space that electronic device has reduced power supply unit beyond doubt, and cause power supply unit generally to need to have additional radiator structure, to maintain electronic device, work in preferably in ambient temperature.For this reason; Sui You manufacturer has proposed the design concept of temperature control protection; one temp-sensing element is set in power supply unit; by the variation of this temp-sensing element normality perception power supply unit internal temperature; and change, produce a corresponding temperature signal; and by a managent component being connected with this temp-sensing element, judge that whether this temperature signal is abnormal again, and then control the work of this radiator structure, just as TaiWan, China is announced I417554, M470448 Patent Case is taken off.
Moreover from the above, existing manufacturer generally only arranges this temp-sensing element to monitor its operating variations in temperature for the power component of power supply unit.But power supply unit generally provides the user can be according to the demand of supply of electric power now, adjust or change the output port of power source specification of this power supply unit, also therefore, when user is not connected output port of power source really with an electronic installation, i.e. energising makes power supply unit carry out work, the annexation of output port of power source is very not tight, also cause the resistance value of the metal terminal in output port of power source to rise, make this metal terminal power consumption transfer used heat to, and this used heat can accumulate in output port of power source, get off for a long time, the plastics of making output port of power source cannot bear hoarding of used heat and the problem that has a melting occurs.In addition, when output port of power source exceeds nominal load current to this electronic installation output high-power electric for a long time, this output port of power source is hot gradually, and then generation used heat, and the long-term accumulation of this used heat also can cause this output port of power source melting, and connected electrical plug cannot be plugged.
Utility model content
Main purpose of the present utility model, is that the power output end mouth that solves existing power supply supply has the problem of overheated generation melting and a kind of power supply unit with monitoring temperature is provided.
For reaching above-mentioned purpose, the utility model provides a kind of power supply unit with monitoring temperature, it is characterized in that, includes:
One circuit board;
One power switching module, be arranged on this circuit board, include an electric connection external power source and obtain the power input end mouth of an external power, and connect this power input end mouth and this external power is carried out to the output of electric power modulation have the electric power modulation unit and of a power for operation to connect this electric power modulation unit by the power output end mouth of this power for operation output supply one electronic installation operation; And
One temperature monitoring module; be arranged on this circuit board; include contiguous this power output end mouth setting this power output end mouth peripheral temperature of sensing and export the temp-sensing element of a temperature signal, and one connects this electric power modulation unit and this temp-sensing element and when this temperature signal surmounts a temperature alarm condition, stops the protection control unit of this electric power modulation cell operation.
The above-mentioned power supply unit with monitoring temperature, wherein this temp-sensing element directly contacts the surface of this power output end mouth.
The above-mentioned power supply unit with monitoring temperature; wherein this circuit board has first conducting wire that is laid with this power output end mouth; and second conducting wire that is communicated with this protection control unit, and this temp-sensing element connect respectively this first conducting wire and this second conducting wire be subject to this power output end mouth ambient temperature to change output mutually should temperature signal.
The above-mentioned power supply unit with monitoring temperature, wherein this temp-sensing element is a thermistor.
The above-mentioned power supply unit with monitoring temperature, wherein this temperature monitoring module more includes one and is arranged between this temp-sensing element and this protection control unit and to accept this temperature signal, exports the signal processing unit of this protection control unit to again.
The above-mentioned power supply unit with monitoring temperature, wherein this electric power modulation unit includes this power input end mouth of a connection and to accept the current rectifying and wave filtering circuit, of this external power, connects power factor correction circuit, a transformer, a pulse width control unit, a switch element and a rectifying output circuit of this current rectifying and wave filtering circuit.
The above-mentioned power supply unit with monitoring temperature, wherein this power switching module includes a plurality of power output end mouths, and this temperature monitoring module has a plurality of temp-sensing elements that corresponding each this power output end mouth arranges respectively.
By structure that the utility model is taken off; compared to existing, there is following characteristics: the utility model is provided with this temp-sensing element for this power output end mouth; utilize the working temperature of this this power output end mouth of temp-sensing element perception; and stop this electric power modulation cell operation in surpassing this temperature alarm condition that this protection control unit limits, by this to avoid the generation melting of being heated of this power output end mouth.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1, the unit of the utility model one embodiment forms schematic diagram;
Fig. 2, the power supply unit schematic appearance () of the utility model one embodiment;
Fig. 3, the power supply unit schematic appearance (two) of the utility model one embodiment;
Fig. 4, the power supply unit schematic appearance of another embodiment of the utility model.
Embodiment
Relate to detailed description of the present utility model and technology contents, now just coordinate accompanying drawing to be described as follows:
Refer to Fig. 1 and Fig. 2, as shown in the figure, the power supply unit 1 of the utility model tool monitoring temperature, is mainly to be formed by a power switching module 2, a temperature monitoring module 3 and circuit board 4 structure of organizing.Wherein, this power switching module 2 and this temperature monitoring module 3 are arranged at respectively on this circuit board 4.This power switching module 2 includes an electric connection external power source and obtains the power input end mouth 21 of an external power, and connect 21 pairs of these external powers of this power input end mouth and carry out the output of electric power modulation and have the electric power modulation unit 22 and of a power for operation to connect this electric power modulation unit 22 by the power output end mouth 23 of this power for operation output supply one electronic installation operation.Illustrate, this power input end mouth 21 of the utility model is electrically connected and can be the external power source that alternating electromotive force is joined in a Room, and preferably, this power input end mouth 21 can be a plug.This electric power modulation unit 22 includes this power input end mouth 21 of a connection and to accept the current rectifying and wave filtering circuit 221, of this external power, connects power factor correction circuit 222, a transformer 223, a pulse width control unit 224, a switch element 225 and a rectifying output circuit 226 of this current rectifying and wave filtering circuit 221.This current rectifying and wave filtering circuit 221 is accepted as after external power, and this external power rectifying and wave-filtering is converted to a direct current power and exports this power factor correction circuit to.222 eliminations of this direct current power being carried out to power factor correction function and harmonic wave of this power factor correction circuit, the first siding ring of this transformer 223 connects this power factor correction circuit 222 to accept this direct current power, and connect this switch element 225, be subject to the conducting of this switch element 225 whether determine the startup of this transformer 223 or close.225 of this switch elements are subject to a pulse wave width modulation signal controlling of this pulse width control unit 224 outputs and conducting or cut-off, when this switch element 225 conducting, the first siding ring of this transformer 223 and its second siding ring comprising produce magnetic induction, make this second siding ring generate induction power, and this induction power is after the rectification of this rectifying output circuit 226, through this power output end mouth 23, export this electronic installation to.This power output end mouth 23 can be preferably an out splice going splice, includes a connected with outer casing and a plurality of output connecting pin that is subject to this connected with outer casing encirclement specification.
Refer to again Fig. 1, and consider Fig. 2 simultaneously in light of actual conditions.Hold; this temperature monitoring module 3 of the utility model includes that contiguous this power output end mouth 23 arranges and these power output end mouth 23 peripheral temperature of sensing are exported the temp-sensing element 31 of a temperature signal, and one connects this electric power modulation unit 22 and this temp-sensing element 31 and when this temperature signal surmounts a temperature alarm condition, stops the protection control unit 32 of these electric power modulation unit 22 work.Illustrate, this temp-sensing element 31 preferably can be a thermistor, and selecting of this thermistor can select positive temperature coefficient (P.T.C) or negative temperature coefficient (N.T.C) to implement by the difference of enforcement demand.Moreover contiguous this power output end mouth 23 of this temp-sensing element of the utility model 31 arranges, that is to say the temperature that target that this temp-sensing element 31 of the utility model will measure is this power output end mouth 23.Further, this temp-sensing element 31 of the utility model has the temperature of two these power output end mouths 23 of execution mode perception, one is that this temp-sensing element 31 directly arranges on the surface of this power output end mouth 23 of contact, in this power supply unit 1, supply with in power process, this temp-sensing element 31, by the variations in temperature of direct this power output end mouth 23 of one side perception contacting with this power output end mouth 23, produces corresponding this temperature signal.Yet, for this temperature signal that allows this temp-sensing element 31 measure more meets this power output end mouth 23 present situations, in an embodiment, more can utilize a viscose or a fixture that this temp-sensing element 31 is fixed on this power output end mouth 23.In its two embodiment, on this circuit board 4, there is first conducting wire 41 that is laid with this power output end mouth 23, and the second conducting wire 42 of this protection control unit 32 of connection, 31 of this temp-sensing elements connect respectively this first conducting wire 41 and this second conducting wire 42 is subject to these power output end mouth 23 ambient temperature to change corresponding this temperature signal of output, further, in the present embodiment, in fact this first conducting wire 41 and this second conducting wire 42 are respectively a conductive copper layer, and this first conducting wire 41 and this second conducting wire 42 have the phenomenon generation of heating in this power supply unit 1 power supply output procedure, the utility model is then understood the temperature of this power output end mouth 23 in power supply process by the temperature of this this first conducting wire 41 of temp-sensing element 31 perception according to this.
From the above, this protection control unit 32 of the utility model can be a micro-chip processor, it can be applicable to the Energy Saving Control of this power supply unit 1 or exports control etc., this protection control unit 32 is electrically connected respectively this temp-sensing element 31 and this electric power modulation unit 22, in this power supply unit 1 power supply process, this protection control unit 32 is accepted this temperature signal from this temp-sensing element 31, and whether surmount with this this temperature signal of temperature alarm condition judgment defaulting in this protection control unit 32 temperature conditions that it is limited, in other words, this protection control unit 32 is accepted after this temperature signal, while judging the temperature that the expression temperature of this temperature signal limits higher than this temperature alarm condition, export a control signal.More specifically; this protection control unit 32 is these pulse width control unit 224 that are electrically connected at this electric power modulation unit 22; when this temperature signal of judgement surpasses this temperature alarm condition; this protection control unit 32 is to these pulse width control unit 224 these control signals of output; make this pulse width control unit 224 stop exporting this pulse wave width modulation signal, and then stop the work of this power supply unit 1.Thus, can avoid this power output end mouth 23 to bear used heat and produce the generation of melting phenomenon.Moreover; in the planning of circuit layout or in the demand understood of message, this temperature monitoring module 3 of the utility model more can include one and be arranged at and between this temp-sensing element 31 and this protection control unit 32, to accept this temperature signal, export the signal processing unit 33 of this protection control unit 32 to again.Illustrate; this signal processing unit 33 can be used as the signal bridging between this temp-sensing element 31 and this protection control unit 32; this signal processing unit 33 can carry out to this temperature signal the conversion of digital data format, to meet the data of this protection control unit 32, reads demand.And this signal processing unit 33 may further be a micro-chip processor.In addition, the utility model is in front taking off in explanation, although be to give an example with single this power output end mouth 23, but the utility model can also be applied to have among this power supply unit 1 of a plurality of these power output end mouths 23, this temperature monitoring module 3 has a plurality of temp-sensing elements 31 that corresponding each this power output end mouth 23 arranges respectively, in the present embodiment, each this temp-sensing element 31 is the temperature of this power output end mouth 23 of the corresponding setting of perception institute respectively, by this to guarantee that the working temperature of each this power output end mouth 23 can not enter abnormality.
In sum, the power supply unit of this tool monitoring temperature of the utility model, includes a circuit board, a power switching module and a temperature monitoring module.Wherein, this power switching module includes an electric connection external power source and obtains the power input end mouth of an external power, and connect this power input end mouth and this external power is carried out to the output of electric power modulation have the electric power modulation unit and of a power for operation to connect this electric power modulation unit by the power output end mouth of this power for operation output supply one electronic installation operation; This temperature monitoring module includes the temp-sensing element that contiguous this power output end mouth setting this power output end mouth peripheral temperature of sensing are exported a temperature signal, and one connects this electric power modulation unit and this temp-sensing element and when this temperature signal surmounts a temperature alarm condition, stops the protection control unit of this electric power modulation cell operation.By this, to protect this power output end mouth can not have because temperature raises the generation of melting phenomenon.
Certainly; the utility model also can have other various embodiments; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (7)
1. a power supply unit with monitoring temperature, is characterized in that, includes:
One circuit board;
One power switching module, be arranged on this circuit board, include an electric connection external power source and obtain the power input end mouth of an external power, and connect this power input end mouth and this external power is carried out to the output of electric power modulation have the electric power modulation unit and of a power for operation to connect this electric power modulation unit by the power output end mouth of this power for operation output supply one electronic installation operation; And
One temperature monitoring module; be arranged on this circuit board; include contiguous this power output end mouth setting this power output end mouth peripheral temperature of sensing and export the temp-sensing element of a temperature signal, and one connects this electric power modulation unit and this temp-sensing element and when this temperature signal surmounts a temperature alarm condition, stops the protection control unit of this electric power modulation cell operation.
2. the power supply unit with monitoring temperature as claimed in claim 1, is characterized in that, this temp-sensing element directly contacts the surface of this power output end mouth.
3. the power supply unit with monitoring temperature as claimed in claim 1; it is characterized in that; this circuit board has first conducting wire that is laid with this power output end mouth; and second conducting wire that is communicated with this protection control unit, and this temp-sensing element connect respectively this first conducting wire and this second conducting wire be subject to this power output end mouth ambient temperature to change output mutually should temperature signal.
4. the power supply unit with monitoring temperature as described in claim 1,2 or 3, is characterized in that, this temp-sensing element is a thermistor.
5. the power supply unit with monitoring temperature as claimed in claim 1; it is characterized in that, this temperature monitoring module more includes one and is arranged between this temp-sensing element and this protection control unit and to accept this temperature signal, exports the signal processing unit of this protection control unit to again.
6. the power supply unit with monitoring temperature as claimed in claim 1, it is characterized in that, this electric power modulation unit includes this power input end mouth of a connection and to accept the current rectifying and wave filtering circuit, of this external power, connects power factor correction circuit, a transformer, a pulse width control unit, a switch element and a rectifying output circuit of this current rectifying and wave filtering circuit.
7. the power supply unit with monitoring temperature as claimed in claim 1, is characterized in that, this power switching module includes a plurality of power output end mouths, and this temperature monitoring module has a plurality of temp-sensing elements that corresponding each this power output end mouth arranges respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317042.3U CN203942459U (en) | 2014-06-13 | 2014-06-13 | The power supply unit with monitoring temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317042.3U CN203942459U (en) | 2014-06-13 | 2014-06-13 | The power supply unit with monitoring temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203942459U true CN203942459U (en) | 2014-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420317042.3U Expired - Fee Related CN203942459U (en) | 2014-06-13 | 2014-06-13 | The power supply unit with monitoring temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203942459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947603A (en) * | 2017-12-04 | 2018-04-20 | 天津优能云智电力技术有限公司 | A kind of power supply unit with monitoring temperature |
-
2014
- 2014-06-13 CN CN201420317042.3U patent/CN203942459U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947603A (en) * | 2017-12-04 | 2018-04-20 | 天津优能云智电力技术有限公司 | A kind of power supply unit with monitoring temperature |
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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: 20141112 Termination date: 20190613 |