CN207571628U - A kind of power control system - Google Patents
A kind of power control system Download PDFInfo
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- CN207571628U CN207571628U CN201721726160.XU CN201721726160U CN207571628U CN 207571628 U CN207571628 U CN 207571628U CN 201721726160 U CN201721726160 U CN 201721726160U CN 207571628 U CN207571628 U CN 207571628U
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- voltage
- adjustment circuit
- switch module
- power device
- resistance
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- 238000009434 installation Methods 0.000 claims abstract description 39
- 239000004065 semiconductor Substances 0.000 claims description 20
- 230000005611 electricity Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000002085 persistent effect Effects 0.000 description 1
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Abstract
This application discloses a kind of power control systems, including supplying electric installation, power device, the first adjustment circuit, at least one second adjustment circuit, each second adjustment circuit includes resistive elements, switch module, the both ends of the first adjustment circuit are connect with the output voltage adjustment end for electric installation and the voltage input end of power device, each second adjustment circuit differentiates that end is connect with the input voltage of the first adjustment circuit and power device respectively, the voltage input end connection of voltage output end and power device for electric installation, when power device determine the voltage of voltage input end not within a preset range when the switch module of corresponding second adjustment circuit is controlled to be connected to correspond in resistive elements access the first adjustment circuit.By the way that corresponding second adjustment circuit is connected, makes corresponding resistive elements access the first adjustment circuit, change electric resistance partial pressure relationship in the first adjustment circuit, voltage is made to enter preset range.The utility model has higher flexibility to the voltage adjustment for electric installation output.
Description
Technical field
The utility model is related to technical field of circuit design, more specifically to a kind of power control system.
Background technology
With the fast development of TV industry, the use of Android smart television is more and more, and Android system is to the steady of power supply
It qualitatively requires also higher and higher.Existing power control system includes in Android system：Main IC, it connect with main IC and is supplied for it
The DC-DC chips of electricity connect the DC-DC chips and the first adjustment circuit of the main IC, and wherein the first adjustment circuit is more
The combination of a resistance is divided by this multiple resistance and is adjusted come the voltage of the output to DC-DC chips, due to first
After the resistance value of multiple resistance of adjustment circuit determines, the adjustment result of output voltage is also determined, therefore in practice,
The first adjustment circuit is very dumb for the adjustment for the voltage that DC-DC chips export.
It is current this field in conclusion how to provide a kind of scheme for the voltage that can be adjusted flexibly and be exported for electric installation
Technical staff's urgent problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of power control system, and the electricity exported for electric installation can be adjusted flexibly
Pressure.
To achieve these goals, the utility model provides following technical solution：
A kind of power control system, including for electric installation, power device, the first adjustment circuit and at least one second adjustment
Circuit, each second adjustment circuit include resistive elements and switch module, and the both ends of the first adjustment circuit are distinguished
It is connect with described for the output voltage adjustment end of electric installation and the voltage input end of the power device, each second adjustment
The both ends of circuit differentiate that end is connect with the input voltage of the first adjustment circuit and the power device respectively, described to supply Denso
The voltage output end put is connect with the voltage input end of the power device, when the power device determines the control source
The voltage at end not within a preset range when the switch module conducting of corresponding second adjustment circuit is controlled to be connect so that resistive elements will be corresponded to
Enter in the first adjustment circuit.
Preferably, the first adjustment circuit includes first resistor and second resistance, the first resistor and described second
The first end of resistance is connect with the output voltage adjustment end for electric installation, the second end of the first resistor and the use
The voltage input end connection of electric installation, the second end ground connection of the second resistance.
Preferably, the first end of each resistive elements simultaneously with the first end of the first resistor, second electricity
The first end of resistance and the output voltage adjustment end for electric installation connect, the second end of each resistive elements and corresponding institute
State the first end connection of switch module, the second end ground connection of each switch module, the third end of each switch module
Differentiate that end is connect with the input voltage of the power device.
Preferably, the switch module includes metal-oxide-semiconductor, the first end to drain as the switch module of the metal-oxide-semiconductor, institute
The source electrode for stating metal-oxide-semiconductor is the second end of the switch module, and the grid of the metal-oxide-semiconductor is the third end of the switch module.
Preferably, the input voltage of the metal-oxide-semiconductor and the power device is also associated with 3rd resistor between differentiating end.
Preferably, the switch module includes triode and the 4th resistance, the extremely described switch of current collection of the triode
The first end of component, the second end of the extremely described switch module of transmitting of the triode, the base stage of the triode with it is described
The first end connection of 4th resistance, the second end of the 4th resistance are the third end of the switch module.
Preferably, the power device further includes：When the power device voltage input end voltage not in default model
The alarm to send a warning when enclosing interior.
A kind of power control system provided by the utility model, the system are included for electric installation, power device, the first adjustment
Circuit and at least one second adjustment circuit, each second adjustment circuit includes resistive elements and switch module, described
The both ends of the first adjustment circuit respectively with the output voltage adjustment end for electric installation and the control source of the power device
End connection, the both ends of each second adjustment circuit are electric with the input of the first adjustment circuit and the power device respectively
Pressure differentiates end connection, and the voltage output end for electric installation is connect with the voltage input end of the power device, when the use
Electric installation determine the voltage of the voltage input end not within a preset range when control the switching group of corresponding second adjustment circuit
Part conducting is accessed with that will correspond to resistive elements in the first adjustment circuit.The utility model increases in prior art basis
Second adjustment circuit when power device judges the voltage for electric installation output not in preset range, passes through conducting pair
The second adjustment circuit answered so that corresponding resistive elements are accessed in original the first adjustment circuit in second adjustment circuit, are changed
The partial pressure relationship of resistance in original the first adjustment circuit is become so that the voltage of voltage output device output enters preset range
In, the utility model is realized by the feedback of power device and the voltage exported for electric installation is adjusted, and has higher spirit
Activity.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structure diagram of a kind of power control system that the utility model embodiment provides；
Fig. 2 is the structural representation of the first adjustment circuit in a kind of power control system that the utility model embodiment provides
Figure；
Fig. 3 is the structural representation of second adjustment circuit in a kind of power control system that the utility model embodiment provides
Figure；
Fig. 4 is a kind of application example schematic diagram of a kind of power control system that the utility model embodiment provides.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of structure diagram of the power control system provided it illustrates the utility model embodiment,
It can include：For electric installation 11, power device 12, the first adjustment circuit 13 and at least one second adjustment circuit 14, Mei Ge
Two adjustment circuits 14 include resistive elements and switch module, and the both ends of the first adjustment circuit 13 are respectively with supplying the defeated of electric installation 11
The voltage input end 16 for going out voltage adjustment end 15 and power device connects, and the both ends of each second adjustment circuit are adjusted respectively with first
The input voltage of whole circuit 13 and power device 12 differentiates that end 17 connects, for the voltage output end 18 and power device of electric installation 11
12 voltage input end 16 connects, when power device 12 determine the voltage of voltage input end 16 not within a preset range when control
The switch module of corresponding second adjustment circuit 14 is connected to correspond in resistive elements access the first adjustment circuit 13.
It is powered for electric installation 11 by 18 output voltage of voltage output end for power device 12, due to usually using Denso
It puts 12 to require the magnitude range of the voltage of reception, if the voltage has exceeded preset voltage range, then use
Cisco unity malfunction or even failure are caused to damage by electric installation 12.Power device 12 determines voltage in the utility model
When the voltage that input terminal 16 receives is not in preset range, by controlling the switch module of corresponding second adjustment circuit 14,
Make the switch module that corresponding resistive elements are linked into the first adjustment circuit 13 after being connected, tool can be included in power device
There is the voltage block circuit for judging voltage swing function, sentencing for the voltage swing received to voltage input end 16 is realized with this
It is disconnected.It, can be to the voltage of the output of voltage output end 18 for electric installation 11 since the first adjustment circuit 13 is the combination of multiple resistance
Play adjusting, if when after the adjusting of the first adjustment circuit voltage not in preset voltage range, then power device 12
To corresponding second adjustment circuit be connected according to current voltage size, and connect the resistive elements in second adjustment circuit switched on
Enter into the first adjustment circuit 13, the partial pressure relationship of resistance will change in the first adjustment circuit 13 after access so that use Denso
The voltage for putting 12 reception of voltage input end 16 enters in preset voltage range.It should be noted that in the utility model, it can
To include several second adjustment circuits, each second adjustment circuit is included with the resistance according to the preset resistance value of actual conditions
Property device and switch module, the resistance value of the resistive elements in second adjustment circuit can be differed, and there may also be equal
Situation.In a practical situation, the voltage that the voltage input end 16 of power device 12 receives exceeds preset range such case
Including two types：A kind of is maximum value bigger of the voltage than preset range of reception, and another kind is the voltage received than pre-
If range minimum value smaller, so needing to set the resistive elements of each second adjustment circuit according to actual conditions in advance
Resistance value size, by the resistive elements that set resistance value of different sizes come when needing will corresponding second adjustment circuit it is resistive
After device access the first adjustment circuit 13, different changes can be played to the partial pressure relationship of resistance in the first adjustment circuit 13.
It is further to note that the first adjustment circuit can include a resistance, multiple resistance, the first adjustment circuit can also be included
Mainly to for electric installation output voltage play corrective action namely the first adjustment circuit utilize comprising resistance carry out partial pressure reality
Now to the adjustment of the voltage for electric installation output.
The utility model increases second adjustment circuit in prior art basis, when power device is judged for electric installation
When the voltage of output is not in preset range, by the way that corresponding second adjustment circuit is connected so that right in second adjustment circuit
The resistive elements answered are accessed in original the first adjustment circuit, change the partial pressure relationship of resistance in original the first adjustment circuit,
So that the voltage of voltage output device output enters in preset range, the feedback realization pair that the utility model passes through power device
To being adjusted for the voltage of electric installation output, there is higher flexibility.
A kind of power control system that the utility model embodiment provides, referring to Fig. 2, it illustrates the utility model realities
The structure diagram of the first adjustment circuit 13 in example is applied, first resistor 131 and second resistance 132, first resistor 131 can be included
And the first end of second resistance 132 is connect with the output voltage adjustment end 15 for electric installation 11, the second end of first resistor 131
It is connect with the voltage input end 16 of power device 12, the second end ground connection of second resistance 132.
When the resistive elements in second adjustment circuit 14 are not linked into the first adjustment circuit 13 also, electricity consumption at this time
The voltage of the voltage input end 16 of device 12 and can be with for the relationship between the voltage of the output voltage adjustment end 15 of electric installation 11
It is represented with following equation：V16=V15×(1+R131/R132), it is assumed that present V16Not in preset voltage range, then this
When power device switch module in corresponding second adjustment circuit 14 can then be connected so that corresponding resistive elements are linked into
In one adjustment circuit, then assuming that the resistance value size of the resistive elements accessed after the access of realization resistive elements is R14, then
After the resistive elements are linked into the first adjustment circuit, the voltage of the voltage input end 16 of power device 12 is with supplying electric installation 11
Output voltage adjustment end 15 voltage between relationship can be represented with following equation：V16=V15×(1+R131/(R132×
R14/R132+R14), V16Value changes, and specific great R14It can cause V16Value enter in preset voltage range then
It has just been preset when second adjustment circuit is set, when second adjustment circuit is set, it is assumed that go out V16No
Then various situations in predetermined voltage range correspond to the resistance value for the resistive elements for determining this second adjustment circuit, are
It unites after work, after power device 12 judges the voltage of the reception of voltage input end 16 not in preset range, is surpassed according to it
Go out the situation of the preset range corresponding second adjustment circuit is connected to connect.Now to V16One not in predetermined voltage range
Kind situation is illustrated：Assuming that preset voltage range is no less than M, no more than N, if V16Than N bigger, and (V16
N when)/N is more than 0% and is not more than 2%, (or multiple) R is determined at this time14It can cause V at this time16Value enter it is pre-
In the range of if, then this second adjustment circuit is just used in (V16- N)/N be more than 0% and no more than 2% when be connected.It needs
Illustrate, voltage sign " V " and its lower right corner label represent that the label corresponds to the voltage value of component in text, and similarly resistance accords with
" R " and its lower right corner label represent that the label corresponds to the resistance value of component, such as：V16Represent the voltage of voltage input end 16, R131
Represent the resistance value of first resistor 131.The utility model embodiment can realize effective adjustment to voltage, and circuit structure letter
It is single, convenient for arranging and safeguarding.
A kind of power control system that the utility model embodiment provides, referring to Fig. 3, it illustrates in the present embodiment the
The structure diagram of two adjustment circuits 14, the first ends of each resistive elements 141 simultaneously with the first end of first resistor 131, the
The first ends of two resistance 132 and output voltage adjustment end 15 for electric installation connect, the second end of each resistive elements 141 with it is right
The first end connection of inductive switch component 142, the second end ground connection of each switch module 142, the third end of each switch module 142
Differentiate that end 17 is connect with the input voltage of power device 12.
In the present embodiment, after switch module 142 is connected, resistive elements 141 can be linked into the first adjusting circuit 13
In, the second adjusting the clear in structure of circuit 14 simply is easy to arrange.
A kind of power control system that the utility model embodiment provides, switch module can include metal-oxide-semiconductor, wherein, MOS
The drain electrode (D) of pipe is the first end of switch module 142, and the source electrode (S) of metal-oxide-semiconductor is the second end of switch module 142, metal-oxide-semiconductor
Grid (G) is the third end of switch module 142.
Metal-oxide-semiconductor can be used as switch module 142, when input voltage differentiates that end 17 judges that power input 16 receives at this time
Voltage not in preset range when, input voltage differentiate end 17 can export a conducting voltage, this conducting voltage can
Metal-oxide-semiconductor is connected.Metal-oxide-semiconductor small power consumption and be easily integrated, thus be as one of the switch element in the use of the new type well
Selection.
The input voltage of a kind of power control system that the utility model embodiment provides, metal-oxide-semiconductor and power device differentiates
3rd resistor can also be connected between end.
The conducting voltage of metal-oxide-semiconductor is very low, therefore 3rd resistor can play the role of protecting circuit, can be to avoid when input
The situation that voltage block end 17 causes metal-oxide-semiconductor can not work normally because of the excessively high voltage of failure and other reasons output.
A kind of power control system that the utility model embodiment provides, switch module 142 can include triode and the
Four resistance, the collector (c) of triode are the first end of switch module 142, and the emitter (e) of triode is switch module 142
Second end, the base stage (b) of triode connect with the first end of the 4th resistance, and the second end of the 4th resistance is switch module 142
Third end.
Triode also can realize switching function as the switch module in the utility model, since triode is small and the longevity
Life length, can make user have preferable usage experience.
A kind of power control system that the utility model embodiment provides, power device can also include：
When power device 12 voltage input end 16 voltage not within a preset range when the alarm that sends a warning.
Alarm can make user know in time power device 12 at this time voltage input end 16 voltage not preset
In the range of, so that user makes corresponding preparation under emergency situations.For example, alarm persistent reminder illustrates the first tune
The adjustment of whole circuit 13 and second adjustment circuit 14 fails so that the voltage is into preset voltage range, and user can be at this time
Check for electric installation 11 whether power supply trouble, in time exclude element due to voltage for a long time not within a preset range and damage feelings
Condition.It is illustrated below with certain concrete application scene, referring to Fig. 4, it illustrates a kind of power supply controls provided by the utility model
A kind of schematic diagram of application example of system processed.
In Android intelligent television system, VCC is power supply, and DC-DC chips (are equivalent in the utility model and supply electric installation
11) VoutPort (voltage output end 18 being equivalent in the utility model) (is equivalent in the utility model for main IC chip
Power device 12) it is powered, when the VID ends of main IC chip, (input voltage being equivalent in the utility model differentiates end 17) is sentenced
When breaking the voltage value for IN ends (being equivalent to the voltage input end 16 in the utility model) reception not in preset voltage range,
VID ends export a conducting voltage, the metal-oxide-semiconductor in figure are connected, resistance Rm (is equivalent to resistive in the utility model after conducting
Device 141) it accesses in circuit.Before not turning on, IN terminal voltages are VIN=VREF× (1+R1/R2), IN terminal voltages are after conducting
VIN=VREF× (1+R1/ (R2 × Rm/R2+Rm)), wherein R1 is equivalent to the first resistor 131 in the utility model, and R2 is equivalent to
Second resistance 132, in addition Rp is equivalent to 3rd resistor or the 4th resistance in figure, for protecting circuit, it is seen that VINValue can occur
Variation, since the resistance value of Rm can be set as the case may be, you can be accessed after circuit to V according to the Rm of different resistance valuesIN
Regulating power the resistance value of Rm is set, and then realizes that power device is connected after corresponding Rm so that VINValue falls into preset voltage
Range, wherein VREFIt is the voltage value at the FB ends (being equivalent to the voltage output adjustment end 15 in the utility model) of DC-DC chips,
This value is just set before the manufacture of DC-DC chips, and the DC-DC chips of different size can have different VREFValue.
The foregoing description of the disclosed embodiments enables those skilled in the art to realize or using the utility model.
A variety of modifications of these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this practicality is new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent most wide range.
Claims (7)
1. a kind of power control system, which is characterized in that including for electric installation, power device, the first adjustment circuit and at least one
A second adjustment circuit, each second adjustment circuit include resistive elements and switch module, the first adjustment circuit
Both ends connect respectively with described for the output voltage adjustment end of electric installation and the voltage input end of the power device, Mei Gesuo
The both ends for stating second adjustment circuit differentiate that end is connect with the input voltage of the first adjustment circuit and the power device respectively,
The voltage output end for electric installation is connect with the voltage input end of the power device, when the power device determines institute
State the voltage of voltage input end not within a preset range when the switch module of corresponding second adjustment circuit is controlled to be connected to correspond to
Resistive elements are accessed in the first adjustment circuit.
2. system according to claim 1, which is characterized in that the first adjustment circuit includes first resistor and the second electricity
The first end of resistance, the first resistor and the second resistance is connect with the output voltage adjustment end for electric installation, institute
The second end for stating first resistor is connect with the voltage input end of the power device, the second end ground connection of the second resistance.
3. system according to claim 2, which is characterized in that the first end of each resistive elements is simultaneously with described the
The first end of one resistance, the first end of the second resistance and the output voltage adjustment end for electric installation connect, Mei Gesuo
The second end for stating resistive elements is connected with the first end of the corresponding switch module, the second termination of each switch module
Ground, third end and the input voltage of the power device of each switch module differentiate that end is connect.
4. system according to claim 3, which is characterized in that the switch module includes metal-oxide-semiconductor, the leakage of the metal-oxide-semiconductor
The first end of extremely described switch module, the source electrode of the metal-oxide-semiconductor are the second end of the switch module, the grid of the metal-oxide-semiconductor
The third end of extremely described switch module.
5. system according to claim 4, which is characterized in that the input voltage of the metal-oxide-semiconductor and the power device is sentenced
Not Duan between be also associated with 3rd resistor.
6. system according to claim 3, which is characterized in that the switch module includes triode and the 4th resistance, institute
State the first end of the extremely described switch module of current collection of triode, the second of the extremely described switch module of transmitting of the triode
End, the base stage of the triode are connect with the first end of the 4th resistance, and the second end of the 4th resistance is the switch
The third end of component.
7. according to claim 1-6 any one of them systems, which is characterized in that the power device further includes：When the use
The voltage of the voltage input end of electric installation not within a preset range when the alarm that sends a warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721726160.XU CN207571628U (en) | 2017-12-12 | 2017-12-12 | A kind of power control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721726160.XU CN207571628U (en) | 2017-12-12 | 2017-12-12 | A kind of power control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207571628U true CN207571628U (en) | 2018-07-03 |
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ID=62687774
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721726160.XU Expired - Fee Related CN207571628U (en) | 2017-12-12 | 2017-12-12 | A kind of power control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114185382A (en) * | 2020-09-15 | 2022-03-15 | 大唐移动通信设备有限公司 | Dynamic voltage regulation method and system and dynamic voltage regulation power supply |
-
2017
- 2017-12-12 CN CN201721726160.XU patent/CN207571628U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114185382A (en) * | 2020-09-15 | 2022-03-15 | 大唐移动通信设备有限公司 | Dynamic voltage regulation method and system and dynamic voltage regulation power supply |
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Address after: 518000 1st floor to 5th floor, building 1, No. 4023, Wuhe Avenue, Gangtou community, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen kangguan Technology Co.,Ltd. Address before: 518000, Longgang District, Guangdong City, Buji province Shenzhen Village No. five and 1 North Avenue, workshop 1, A District, 2 B District Patentee before: SHENZHEN KTC TECHNOLOGY Co.,Ltd. |
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