CN204836144U - Voltage stabilizing circuit radio - Google Patents
Voltage stabilizing circuit radio Download PDFInfo
- Publication number
- CN204836144U CN204836144U CN201520354855.4U CN201520354855U CN204836144U CN 204836144 U CN204836144 U CN 204836144U CN 201520354855 U CN201520354855 U CN 201520354855U CN 204836144 U CN204836144 U CN 204836144U
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- triode
- electric capacity
- resistance
- stabilizing circuit
- voltage stabilizing
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Abstract
The utility model discloses a voltage stabilizing circuit radio, voltage stabilizing circuit in including the organism, put thing cabinet, base, LED banks and locating the organism, the organism below left and right sides all is equipped with the stereo set, is equipped with the lens in the middle of the stereo set, and is equipped with the thermometer above the lens, and wherein, the thermometer is horizontal and sets up, the left side of organism is equipped with the LED banks, a solar cell panel is arranged on the body. Solar cell panel is equipped with translucent cover, translucent cover and organism joint outward, the side of translucent cover seted up many louvres, putting the thing cabinet and being located the organism right side, put thing cabinet top for the fretwork setting, be equipped with the guard net in fretwork position department, the guard net is with to put the thing cabinet articulated, voltage stabilizing circuit includes the positive port of VIN, VIN negative terminal mouth and triode Q1, the positive port connecting resistance R1's of VIN one end and electric capacity C1's one end, the utility model discloses the voltage of output keeps invariable, and the step -down steady voltage is effectual, and is with low costs, and the function is comprehensive, and it is little to damage the probability.
Description
Technical field
The utility model relates to broadcast receiver, specifically a kind of voltage stabilizing circuit broadcast receiver.
Background technology
Broadcast receiver is that in daily life, people are for understanding a kind of daily living article of external world situation, but existing broadcast receiver uses inconvenience, can not meet the use needs of people.Such as: existing broadcast receiver and mirror, thermometer are independently individual each other, be not easy to people look in the mirror and grasp variations in temperature, broadcast receiver does not have special article placing cabinet to place other article, and broadcast receiver flying power is not enough, need usually to change battery, these have all brought inconvenience.
Summary of the invention
The purpose of this utility model is the voltages keep constant providing a kind of output, and lowering and stabilizing blood pressure is effective, and cost is low, complete function, the voltage stabilizing circuit broadcast receiver that damage probability is little, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of voltage stabilizing circuit broadcast receiver, the voltage stabilizing circuit comprising body, article placing cabinet, base, LED group and be located in body; Below described body, the left and right sides is equipped with sound equipment, and in the middle of sound equipment, be provided with eyeglass, and be provided with thermometer above eyeglass, wherein, temperature counts horizontally set; LED group is provided with in the left side of described body; Also solar panel is provided with above described body; Translucent cover is provided with, translucent cover and body clamping outside solar panel; The side opening of described translucent cover is provided with many louvres; Described article placing cabinet is positioned on the right side of body, article placing cabinet top be hollow out arrange, be provided with catch net in hollow out position, catch net and article placing cabinet hinged; Described voltage stabilizing circuit comprises the positive port of VIN, VIN negative terminal mouth and triode Q1; One end of described VIN positive port contact resistance R1 and one end of electric capacity C1; The collector electrode of the other end connecting triode Q2 of described resistance R1; One end of the other end contact resistance R8 of described electric capacity C1, other end one end of contact resistance R9 and the base stage of triode Q1 simultaneously of resistance R8; The emitter of the other end connecting triode Q1 of described resistance R9, one end of the collector electrode contact resistance R3 of triode Q1, the other end resistance R1 of resistance R3 and the collector electrode of triode Q2, and the base stage of the collector electrode of triode Q1 also simultaneously connecting triode Q2; Described triode Q1 TVS pipe D2 and electric capacity C6 in parallel; The described emitter of triode Q1 and the plus earth of TVS pipe D2; The emitter of described triode Q2 is connected with electric capacity C4, electric capacity C5 and electric capacity C7; Described electric capacity C4 and electric capacity C5 is in parallel, and ground connection; The emitter of described triode Q2 also one end of contact resistance R4 and one end of resistance R6 simultaneously, the other end of resistance R4 is connected with resistance R5 one end, and the other end of resistance R5 is connected with the collector electrode of triode Q3, the base stage of triode Q4, the base stage of triode Q5 simultaneously; The base stage of the other end connecting triode Q3 of resistance R6, the grounded emitter of triode Q3, the collector electrode of triode Q5 passes through the emitter of electric capacity C2, electric capacity C3 connecting triode Q4, and the emitter of triode Q4 ground connection simultaneously; The collector electrode of the emitter connecting triode Q4 of described triode Q5, and its terminals also connect VIN negative terminal mouth simultaneously.
Further: described catch net is steel wire protection net.
Further: described electric capacity C4 is electrochemical capacitor.
Further: described electric capacity C5 is electrochemical capacitor or ceramic disc capacitor.
Compared with prior art, the utility model adopts triode as voltage drop element, and coordinates voltage-stabiliser tube, and the voltage that triode is exported keeps stable.When load power consumption changes, the electric current of change can be synchronized to the electric current on the base stage of triode and voltage-stabiliser tube, because triode operation is in amplification region, therefore load power consumption changes the current change quantity that produces after triode regulates, the voltages keep constant of output can be made, realize step-down and voltage regulation result, and each element all adopts general electronic devices and components, production cost is very low; Meanwhile, corresponding article are put into article placing cabinet, then shuts catch net, during as temperature need be checked or look in the mirror, can watch in body front, during as dead battery, can place and charge in the sun, make broadcast receiver flying power grow; Owing to being provided with thermometer and eyeglass, function is comparatively comprehensive, and the scope of application is larger, and the protection that protective cover also can carry out to a certain degree to solar panel, damage probability is less.
Accompanying drawing explanation
Fig. 1 is the wireless structural representation of voltage stabilizing circuit.
Fig. 2 is the schematic diagram of voltage stabilizing circuit in voltage stabilizing circuit broadcast receiver.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of voltage stabilizing circuit broadcast receiver, the voltage stabilizing circuit comprising body 1, article placing cabinet 2, base 3, LED group and be located in body 1; Below described body 1, the left and right sides is equipped with sound equipment 9, and in the middle of sound equipment 9, be provided with eyeglass 8, and above eyeglass 8, be provided with thermometer 7, Appropriate application space, wherein, thermometer 7 is horizontally set, and conserve space is convenient to check; LED group 4 is provided with in the left side of described body 1; Solar panel 6 is also provided with above described body 1; Be provided with translucent cover 5 outside solar panel 6, translucent cover 5 and body 1 clamping, make translucent cover 5 pairs of solar panels 6 play the effect of protection; The side opening of described translucent cover 5 is provided with many louvres, in order to heat radiation; Described article placing cabinet 2 is positioned on the right side of body 1, and article placing cabinet 2 top is that hollow out is arranged, article of conveniently placing and take, and the article in inside are also not easy to drop out; Be provided with catch net 10 in hollow out position, catch net 10 is hinged with article placing cabinet 2, and opening catch net 10 can put into corresponding article; Wherein, catch net 10 is steel wire protection net, not easily deformed damaged; During use, open catch net 10, corresponding article are put into article placing cabinet 2, then shut catch net 10, during as temperature need be checked or look in the mirror, can watch in body 1 front, during as dead battery, can place and charge in the sun, make broadcast receiver flying power grow; Owing to being provided with thermometer and eyeglass, function is comparatively comprehensive, and the scope of application is larger, and the protection that protective cover also can carry out to a certain degree to solar panel, damage probability is less; Described voltage stabilizing circuit comprises the positive port of VIN, VIN negative terminal mouth and triode Q1; One end of described VIN positive port contact resistance R1 and one end of electric capacity C1; The collector electrode of the other end connecting triode Q2 of described resistance R1; One end of the other end contact resistance R8 of described electric capacity C1, other end one end of contact resistance R9 and the base stage of triode Q1 simultaneously of resistance R8; The emitter of the other end connecting triode Q1 of described resistance R9, one end of the collector electrode contact resistance R3 of triode Q1, the other end resistance R1 of resistance R3 and the collector electrode of triode Q2, and the base stage of the collector electrode of triode Q1 also simultaneously connecting triode Q2; Described triode Q1 TVS pipe D2 and electric capacity C6 in parallel; The described emitter of triode Q1 and the plus earth of TVS pipe D2; The emitter of described triode Q2 is connected with electric capacity C4, electric capacity C5 and electric capacity C7; Described electric capacity C4 and electric capacity C5 is in parallel, and ground connection, electric capacity C4 is electrochemical capacitor, and electric capacity C5 is electrochemical capacitor or ceramic disc capacitor; The emitter of described triode Q2 also one end of contact resistance R4 and one end of resistance R6 simultaneously, the other end of resistance R4 is connected with resistance R5 one end, and the other end of resistance R5 is connected with the collector electrode of triode Q3, the base stage of triode Q4, the base stage of triode Q5 simultaneously; The base stage of the other end connecting triode Q3 of resistance R6, the grounded emitter of triode Q3, the collector electrode of triode Q5 passes through the emitter of electric capacity C2, electric capacity C3 connecting triode Q4, and the emitter of triode Q4 ground connection simultaneously; The collector electrode of the emitter connecting triode Q4 of described triode Q5, and its terminals also connect VIN negative terminal mouth simultaneously.In work, high voltage direct current is after resistance R3 dividing potential drop, flow into the base stage of triode Q2, because base stage to be connected with TVS pipe D2 ground connection afterwards, therefore, the current potential of base stage by TVS pipe D2 clamper in a fixed value, its base stage keeps high level, triode Q2 conducting, and high voltage direct current is through the output of triode Q2, and select the sizeable voltage-stabiliser tube of burning voltage, make the current potential of base stage remain on the scope making triode Q2 be operated in amplification region; Desirable electric capacity connect transient voltage can not suddenly change, thus can not there is power loss, in circuit also would not emergent power vibration phenomenon.But in fact, because the material manufacturing electric capacity has resistance, the dielectric of electric capacity is lossy, a variety of causes causes electric capacity to become not " ideal ", this loss shows as just as a resistance follows capacitances in series together in outside, power all consumes on this resistance, this resistance is called ESR(equivalent series resistance), less ESR can make the moment that circuit is being connected produce self-oscillation, there is good filtering voltage regulation effect, therefore, under normal circumstances, for electric capacity, ESR is the smaller the better, and the electrochemical capacitor electric capacity that to be at present conventional ESR smaller.The present embodiment is in order to boostfiltering effect, set up electric capacity C5, this electric capacity C5 and electric capacity C4 is arranged in parallel, simultaneously, the electric capacity C6 be also arranged in parallel at the two ends of TVS pipe D2, play the effect of buffering, direct-flow input end connects moment, electric capacity C6 enters charged state, the voltage of triode Q2 base stage progressively raises, when after electric capacity C6 charging complete, the current potential of base stage reaches the highest, the namely stable voltage of TVS pipe D2, electric capacity C6 becomes a buffer capacitor, make DC output end OUT place can not produce vibration because of current break, thus reach voltage regulation result, triode Q1 is as switching tube, be arranged in parallel with TVS pipe D2, particularly, its collector electrode 5 is connected with the base stage of triode Q2, grounded emitter, base stage is for inputting outside control signal, when control signal is high level, input and output conducting, when control signal is low level, input and output turn off, when control signal is low level, triode Q1 ends, the base stage of triode Q2 is in high potential, in conducting state, when the control signal goes high, triode Q1 conducting, the base stage of triode Q2 is pulled to low level, triode Q2 ends.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (4)
1. a voltage stabilizing circuit broadcast receiver, the voltage stabilizing circuit comprising body (1), article placing cabinet (2), base (3), LED group and be located in body (1); It is characterized in that, the left and right sides, described body (1) below is equipped with sound equipment (9), in the middle of sound equipment (9), be provided with eyeglass (8), and is provided with thermometer (7) in eyeglass (8) top, and wherein, thermometer (7) is horizontally set; LED group (4) is provided with in the left side of described body (1); Described body (1) top is also provided with solar panel (6); Translucent cover (5) is provided with, translucent cover (5) and body (1) clamping outside solar panel (6); The side opening of described translucent cover (5) is provided with many louvres; Described article placing cabinet (2) is positioned at body (1) right side, and article placing cabinet (2) top is that hollow out is arranged, and be provided with catch net (10) in hollow out position, catch net (10) is hinged with article placing cabinet (2); Described voltage stabilizing circuit comprises the positive port of VIN, VIN negative terminal mouth and triode Q1; One end of described VIN positive port contact resistance R1 and one end of electric capacity C1; The collector electrode of the other end connecting triode Q2 of described resistance R1; One end of the other end contact resistance R8 of described electric capacity C1, other end one end of contact resistance R9 and the base stage of triode Q1 simultaneously of resistance R8; The emitter of the other end connecting triode Q1 of described resistance R9, one end of the collector electrode contact resistance R3 of triode Q1, the collector electrode of the other end of resistance R3 contact resistance R1 and triode Q2 simultaneously, and the base stage of the collector electrode of triode Q1 also connecting triode Q2 simultaneously; Described triode Q1 TVS pipe D2 and electric capacity C6 in parallel; The described emitter of triode Q1 and the plus earth of TVS pipe D2; The emitter of described triode Q2 is connected with electric capacity C4, electric capacity C5 and electric capacity C7; Described electric capacity C4 and electric capacity C5 is in parallel, and ground connection; The emitter of described triode Q2 also one end of contact resistance R4 and one end of resistance R6 simultaneously, the other end of resistance R4 is connected with resistance R5 one end, and the other end of resistance R5 is connected with the collector electrode of triode Q3, the base stage of triode Q4, the base stage of triode Q5 simultaneously; The base stage of the other end connecting triode Q3 of resistance R6, the grounded emitter of triode Q3, the collector electrode of triode Q5 passes through the emitter of electric capacity C2, electric capacity C3 connecting triode Q4, and the emitter of triode Q4 ground connection simultaneously; The collector electrode of the emitter connecting triode Q4 of described triode Q5, and its terminals also connect VIN negative terminal mouth simultaneously.
2. voltage stabilizing circuit broadcast receiver according to claim 1, is characterized in that, described catch net (10) is steel wire protection net.
3. voltage stabilizing circuit broadcast receiver according to claim 1, is characterized in that, described electric capacity C4 is electrochemical capacitor.
4. voltage stabilizing circuit broadcast receiver according to claim 1, is characterized in that, described electric capacity C5 is electrochemical capacitor or ceramic disc capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520354855.4U CN204836144U (en) | 2015-05-28 | 2015-05-28 | Voltage stabilizing circuit radio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520354855.4U CN204836144U (en) | 2015-05-28 | 2015-05-28 | Voltage stabilizing circuit radio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204836144U true CN204836144U (en) | 2015-12-02 |
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ID=54693694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520354855.4U Expired - Fee Related CN204836144U (en) | 2015-05-28 | 2015-05-28 | Voltage stabilizing circuit radio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204836144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110111615A (en) * | 2019-04-09 | 2019-08-09 | 广西俊锦科技有限公司 | Multimedia education system |
-
2015
- 2015-05-28 CN CN201520354855.4U patent/CN204836144U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110111615A (en) * | 2019-04-09 | 2019-08-09 | 广西俊锦科技有限公司 | Multimedia education system |
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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: 20151202 Termination date: 20160528 |