CN204330885U - Electric automobile car-mounted terminal - Google Patents
Electric automobile car-mounted terminal Download PDFInfo
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- CN204330885U CN204330885U CN201420732587.0U CN201420732587U CN204330885U CN 204330885 U CN204330885 U CN 204330885U CN 201420732587 U CN201420732587 U CN 201420732587U CN 204330885 U CN204330885 U CN 204330885U
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Abstract
The utility model discloses a kind of electric automobile car-mounted terminal, comprising: car-mounted terminal internal battery, processor, wireless communication module, SD card, SD card connector, car-mounted terminal internal battery internal resistance measurement circuit and SD card connector high frequency noise suppress circuit; The common port that measuring junction and the feeder ear of car-mounted terminal internal battery and the voltage measurement end of processor of car-mounted terminal internal battery internal resistance measurement circuit are formed is connected, and control end is connected with the internal resistance measurement control end of processor; SD card connector high frequency noise suppresses circuit to be connected with the common port that processor and SD card connector are formed; Adopt electric automobile car-mounted terminal of the present utility model, the various faults of electric automobile car-mounted terminal in prior art can be eliminated.
Description
Technical field
The utility model relates to the field of electric automobile, particularly electric automobile car-mounted terminal.
Background technology
It is power that electric automobile refers to vehicle power, uses motorized motions wheels travel, meets the vehicle of road traffic, security legislation requirements.Because electric automobile uses vehicle power to power, and non-exhaust emission in use procedure, its prospect is extensively had an optimistic view of.
But, because current electric automobile is still in developing stage, its technical development is also immature, the fault of the electric automobile of going into operation is more, therefore, in the prior art, the general equal installation car mounted terminal in the inside of electric automobile, with the operational factor of Real-Time Monitoring electric automobile and positional information, and be uploaded to supervision and management center; And supervision and management center is once find that electric automobile breaks down, immediately it is succoured, thus ensure the safe operation of electric automobile.
But because the fault of car-mounted terminal of the prior art is more, such as: after the certain number of times of built-in lithium battery discharge and recharge of car-mounted terminal, interior resistive is large, and output voltage values diminishes, and affects the normal work of car-mounted terminal; And car-mounted terminal of the prior art does not provide the function surveying internal battery.For another example, the high frequency radiation of the SD card connector of car-mounted terminal is comparatively serious, affects the use of other electronic equipment.Therefore, in prior art, need a kind of electric automobile car-mounted terminal badly, to eliminate the various faults of electric automobile car-mounted terminal in prior art.
Utility model content
The utility model embodiments provides a kind of electric automobile car-mounted terminal, to eliminate the various faults of car-mounted terminal in prior art.
In order to solve the problems of the technologies described above, the utility model embodiment discloses following technical scheme:
A kind of electric automobile car-mounted terminal, comprising: car-mounted terminal internal battery, processor, wireless communication module, SD card, SD card connector, car-mounted terminal internal battery internal resistance measurement circuit and SD card connector high frequency noise suppress circuit;
The common port that measuring junction and the feeder ear of described car-mounted terminal internal battery and the voltage measurement end of processor of described car-mounted terminal internal battery internal resistance measurement circuit are formed is connected, and control end is connected with the internal resistance measurement control end of described processor;
Described SD card connector high frequency noise suppresses the first input end of circuit to be connected with the common port that the first data pin of described processor and the first data pin of described SD card connector are formed, second input end is connected with the common port that the second data pin of described SD card connector is formed with the second data pin of described processor, the common port that 3rd input end is formed with the 3rd data pin of described processor and the 3rd data pin of described SD card connector is connected, the common port that four-input terminal is formed with the 4th data pin of described processor and the 4th data pin of described SD card connector is connected, 5th input end is connected with the common port that the clock pins of described SD card connector is formed with the clock pins of described processor, 6th input end is connected with the common port that the control pin of described SD card connector is formed with the control pin of described processor, power pins or the ground of output terminal and described processor are connected.
Preferably, described car-mounted terminal internal battery internal resistance measurement circuit comprises: the first resistance, NPN triode, the second resistance, the first PMOS, the 3rd resistance and ground;
Wherein, the base stage of described NPN triode is connected with one end of described first resistance, grounded emitter, and collector is connected with the common port that the grid of described first PMOS is formed with one end of described second resistance;
The source electrode of described first PMOS is connected with the other end of described second resistance, drains by described 3rd resistance eutral grounding;
The other end of described first resistance is as the control end of described car-mounted terminal internal battery internal resistance measurement circuit, and the common port that the source electrode of described first PMOS and the other end of described second resistance are formed is as the measuring junction of described car-mounted terminal internal battery internal resistance measurement resistance.
Preferably, described car-mounted terminal internal battery internal resistance measurement circuit comprises: the first resistance, NMOS tube, the second resistance, the first PMOS, the 3rd resistance and ground;
Wherein, the grid of described NMOS tube is connected with one end of described first resistance, source ground, and the common port formed with described second resistance one end and the grid of described first PMOS that drains is connected;
The source electrode of described first PMOS is connected with the other end of described second resistance, drains by described 3rd resistance eutral grounding;
The other end of described first resistance is as the control end of described car-mounted terminal internal battery internal resistance measurement circuit, and the common port that the source electrode of described first PMOS and the other end of described second resistance are formed is as the measuring junction of described car-mounted terminal internal battery internal resistance measurement circuit.
Preferably, described car-mounted terminal internal battery internal resistance measurement circuit comprises: the first resistance, PNP triode, the second resistance, the first PMOS, the 3rd resistance and ground;
Wherein, the base stage of described PNP triode is connected with one end of described first resistance, grounded collector, and emitter is connected with the common port that the grid of described first PMOS is formed with one end of described second resistance;
The source electrode of described first PMOS is connected with the other end of described second resistance, drains by described 3rd resistance eutral grounding;
The other end of described first resistance is as the control end of described car-mounted terminal internal battery internal resistance measurement circuit, and the common port that the source electrode of described first PMOS and the other end of described second resistance are formed is as the measuring junction of described car-mounted terminal internal battery internal resistance measurement circuit.
Preferably, described car-mounted terminal internal battery internal resistance measurement circuit comprises: the first resistance, the first PMOS, the second PMOS, the second resistance, the 3rd resistance and ground;
Wherein, the grid of described second PMOS is connected with one end of described first resistance, grounded drain, and source electrode is connected with the common port that the grid of described first PMOS is formed with one end of described second resistance;
The source electrode of described first PMOS is connected with the other end of described second resistance, drains by described 3rd resistance eutral grounding;
The other end of described first resistance is as the control end of described car-mounted terminal internal battery internal resistance measurement circuit, and the common port that the source electrode of described first PMOS and the other end of described second resistance are formed is as the measuring junction of described car-mounted terminal internal battery internal resistance measurement circuit.
Preferably, described SD card connector high frequency noise suppresses circuit to comprise the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity and the 6th electric capacity;
Wherein, described first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity and the 6th Capacitance parallel connection, and the common port of parallel connection suppresses the output terminal of circuit as described SD card connector high frequency noise;
One end of described first electric capacity suppresses the first input end of circuit as described SD card connector high frequency noise, one end of described second electric capacity suppresses the second input end of circuit as described SD card connector high frequency noise, one end of described 3rd electric capacity suppresses the 3rd input end of circuit as described SD card connector high frequency noise, one end of described 4th electric capacity suppresses the four-input terminal of circuit as described SD card connector high frequency noise, one end of described 5th electric capacity suppresses the 5th input end of circuit as described SD card connector high frequency noise, one end of described 6th electric capacity suppresses the 6th input end of circuit as described SD card connector high frequency noise.
Preferably, described terminal also comprises: noise suppression component.
Preferably, described noise suppression component is magnetic bead.
Preferably, described noise suppression component is magnet ring.
Preferably, described terminal also comprises: radome;
Described radome is placed in the outside that described car-mounted terminal internal battery, processor, wireless communication module, SD card, SD card connector, car-mounted terminal internal battery internal resistance measurement circuit and SD card connector high frequency noise suppress circuit, and the earthing of casing of described radome.
From above technical scheme, in the utility model embodiment, car-mounted terminal internal battery internal resistance measurement circuit and processor can measure the built-in resistor of car-mounted terminal internal battery automatically, and by wireless communication module, measurement result are uploaded to the remote monitoring platform of car-mounted terminal.And the high frequency noise that SD card connector high frequency noise suppresses circuit that SD card connector can be suppressed to produce, thus eliminate the impact on other electronic equipment.Therefore visible, adopt car-mounted terminal of the present utility model, the various faults of car-mounted terminal in prior art can be eliminated.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Fig. 2 is another structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Fig. 3 is the another structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Fig. 4 is another structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Fig. 5 is the another structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Fig. 6 is another structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Fig. 7 is the another structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Fig. 8 is another structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Fig. 9 is the another structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Figure 10 is another structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Figure 11 is the another structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Figure 12 is another structural representation of the electric automobile car-mounted terminal disclosed in the utility model embodiment;
Embodiment
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
The utility model discloses a kind of electric automobile car-mounted terminal, as shown in Figure 1, at least comprise: car-mounted terminal internal battery 11, processor 12, wireless communication module 13, SD card connector 14, SD card 15, car-mounted terminal internal battery internal resistance measurement circuit 16 and SD card connector high frequency noise suppress circuit 17;
Wherein, the common port that measuring junction and the feeder ear of car-mounted terminal internal battery 11 and the voltage measurement end of processor 12 of car-mounted terminal internal battery internal resistance measurement circuit 16 are formed is connected, and control end is connected with the internal resistance measurement control end of processor 12;
SD card connector high frequency noise suppresses the first input end of circuit 17 to be connected with the common port that the first data D0 pin of processor 12 and the D0 pin of SD card connector 14 are formed, second input end is connected with the common port that the D1 pin of SD card connector 14 is formed with the second data D1 pin of processor 12, 3rd input end is connected with the common port that the D2 pin of SD card connector 14 is formed with the 3rd data D2 pin of processor 12, four-input terminal is connected with the common port that the D3 pin of SD card connector 14 is formed with the 3rd data D3 pin of processor 12, 5th input end is connected with the common port that the CLK pin of SD card connector 14 is formed with the clock CLK pin of processor 12, 6th input end is connected with the common port that the CMD pin of SD card connector 14 is formed with the control CMD pin of processor 12, output head grounding.
In the embodiment of the present application, when needing the internal resistance of measuring car mounted terminal internal battery 11, the remote monitoring platform by car-mounted terminal sends the wireless communication module 13 of internal resistance measurement instruction to car-mounted terminal; Wireless communication module 13 forwards internal resistance measurement order to processor 12, and processor 12 controls car-mounted terminal internal battery internal resistance measurement circuit 16 and works, and measures the internal resistance value size of car-mounted terminal internal battery.And measurement result is uploaded to monitor supervision platform; The specified internal resistance value of measurement result and car-mounted terminal internal battery is made comparisons by monitor supervision platform, thus determines whether to change car-mounted terminal internal battery 11.In useful application, the general internal resistance value when car-mounted terminal internal battery is greater than the 5-6 of its specified resistance doubly, namely assert car-mounted terminal internal battery 11 cisco unity malfunction, need change car-mounted terminal internal battery 11.
In the embodiment of the present application, because SD card connector 14 will form a projection, therefore, when car-mounted terminal normally works on whole car-mounted terminal, SD card connector 14 will externally radiate high frequency noise in environment, thus affects the normal use of other electronic equipment around car-mounted terminal.Therefore, in the utility model embodiment, SD card connector 14 arranges a SD card connector high frequency noise with the junction of processor 12 and suppresses circuit 17, in being coupling to ground by the high frequency noise that SD card connector 14 produces, thus effectively suppress SD card connector 14 externally radiate high frequency noise in environment.
Therefore, in the utility model embodiment, after the remote monitoring platform of car-mounted terminal sends internal resistance measurement instruction, car-mounted terminal internal battery internal resistance measurement circuit 16 and processor 12 can measure the built-in resistor of car-mounted terminal internal battery 11 automatically, and by wireless communication module 13, measurement result are uploaded to the remote monitoring platform of car-mounted terminal.And the high frequency noise that SD card connector high frequency noise suppresses circuit 17 that SD card connector 14 can be suppressed to produce, thus eliminate the impact on other electronic equipment.Therefore visible, adopt car-mounted terminal of the present utility model, the various faults of car-mounted terminal in prior art can be eliminated.
At this with in another novel embodiment, disclose a kind of car-mounted terminal, as shown in Figure 2, at least comprise: car-mounted terminal internal battery 11, processor 12, wireless communication module 13, SD card connector 14, SD card 15, car-mounted terminal internal battery internal resistance measurement circuit 16 and SD card connector high frequency noise suppress circuit 17;
Wherein, the common port that measuring junction and the feeder ear of car-mounted terminal internal battery 11 and the voltage measurement end of processor 12 of car-mounted terminal internal battery internal resistance measurement circuit 16 are formed is connected, and control end is connected with the internal resistance measurement control end of processor 12;
SD card connector high frequency noise suppresses the first input end of circuit 17 to be connected with the common port that the first data D0 pin of processor 12 and the D0 pin of SD card connector 14 are formed, second input end is connected with the common port that the D1 pin of SD card connector 14 is formed with the second data D1 pin of processor 12, 3rd input end is connected with the common port that the D2 pin of SD card connector 14 is formed with the 3rd data D2 pin of processor 12, four-input terminal is connected with the common port that the D3 pin of SD card connector 14 is formed with the 3rd data D3 pin of processor 12, 5th input end is connected with the common port that the CLK pin of SD card connector 14 is formed with the clock CLK pin of processor 12, 6th input end is connected with the common port that the CMD pin of SD card connector 14 is formed with the control CMD pin of processor 12, output terminal is connected with the power pins of processor 12.
In the embodiment of the present application, when needing the internal resistance of measuring car mounted terminal internal battery 11, the remote monitoring platform by car-mounted terminal sends the wireless communication module 13 of internal resistance measurement instruction to car-mounted terminal; Wireless communication module 13 forwards internal resistance measurement order to processor 12, and processor 12 controls car-mounted terminal internal battery internal resistance measurement circuit 16 and works, and measures the internal resistance value size of car-mounted terminal internal battery 11.And measurement result is uploaded to monitor supervision platform; The specified internal resistance value of measurement result and car-mounted terminal internal battery is made comparisons by monitor supervision platform, thus determines whether to change car-mounted terminal internal battery 11.In useful application, the general internal resistance value when car-mounted terminal internal battery is greater than the 5-6 of its specified resistance doubly, namely assert car-mounted terminal internal battery 11 cisco unity malfunction, need change car-mounted terminal internal battery 11.
In the embodiment of the present application, because SD card connector 14 will form a projection, therefore, when car-mounted terminal normally works on whole car-mounted terminal, SD card connector 14 will externally radiate high frequency noise in environment, thus affects the normal use of other electronic equipment around car-mounted terminal.Therefore, in the utility model embodiment, SD card connector 14 arranges a SD card connector high frequency noise with the junction of processor 12 and suppresses circuit 17, the high frequency noise that SD card connector 14 produces is coupled in the power supply of processor 12, thus effectively suppresses SD card connector 14 externally radiate high frequency noise in environment.
Therefore, in the utility model embodiment, after the remote monitoring platform of car-mounted terminal sends internal resistance measurement instruction, car-mounted terminal internal battery internal resistance measurement circuit 16 and processor 12 can measure the built-in resistor of car-mounted terminal internal battery 11 automatically, and by wireless communication module 13, measurement result are uploaded to the remote monitoring platform of car-mounted terminal.And the high frequency noise that SD card connector high frequency noise suppresses circuit 17 that SD card connector 14 can be suppressed to produce, thus eliminate the impact on other electronic equipment.Therefore visible, adopt car-mounted terminal of the present utility model, the various faults of car-mounted terminal in prior art can be eliminated.
In the another possible embodiments of the application, as shown in Figure 3 or Figure 4, the car-mounted terminal internal battery internal resistance measurement circuit 16 in above-mentioned all embodiments can comprise: first resistance R1, NPN triode, the second resistance R2, the first PMOS, the 3rd resistance R3 and ground;
Wherein, the described base stage of NPN triode is connected with one end of R1, grounded emitter, and collector is connected with the common port that the grid of described first PMOS is formed with one end of R2;
The described source electrode of the first PMOS is connected with the other end of R2, drains by R3 ground connection;
The other end of R1 is as the control end of car-mounted terminal internal battery internal resistance measurement circuit 16, and the common port that the described source electrode of the first PMOS and the other end of R2 are formed is as the measuring junction of car-mounted terminal internal battery internal resistance measurement circuit 16.
In the embodiment of the present application, after processor 12 receives the internal resistance measurement instruction of car-mounted terminal monitor supervision platform, the internal resistance measurement control end of processor 12 exports high level, NPN triode ON, drag down the grid voltage of the first PMOS, source electrode and the drain electrode conducting of the first PMOS; The magnitude of voltage V that the voltage measurement end of processor 12 will be measured car-mounted terminal internal battery and exports
export; Then processor 12 utilizes following formula, and calculate the internal resistance value of car-mounted terminal internal battery 11, concrete formula is as follows:
Therefore, adopt this with novel foregoing circuit, the internal resistance value size of car-mounted terminal internal battery 11 can be measured.
In another possible embodiments of the present utility model, as shown in Fig. 5 or 6, the car-mounted terminal internal battery internal resistance measurement circuit 16 in above-mentioned all embodiments can comprise: R1, NMOS tube, R2, the first PMOS, R3 and ground;
Wherein, the grid of described NMOS tube is connected with one end of R1, source ground, and the common port formed with R2 one end and the grid of the first PMOS that drains is connected;
The described source electrode of the first PMOS is connected with the other end of R2, drains by R3 ground connection;
The other end of R1 is as the control end of car-mounted terminal internal battery internal resistance measurement circuit 16, and the common port that the source electrode of described first PMOS and the other end of described R2 are formed is as the measuring junction of car-mounted terminal internal battery internal resistance measurement circuit 16.
In the embodiment of the present application, after processor 12 receives the internal resistance measurement instruction of car-mounted terminal monitor supervision platform, the internal resistance measurement control end of processor 12 exports high level, NMOS tube conducting, drag down the grid voltage of the first PMOS, source electrode and the drain electrode conducting of the first PMOS; The magnitude of voltage V that the voltage measurement end of processor 12 will be measured car-mounted terminal internal battery and exports
export; Then processor 12 utilizes following formula, can calculate the internal resistance value of car-mounted terminal internal battery 11, and concrete formula is as follows:
Therefore, adopt this with novel foregoing circuit, also can realize the internal resistance value size measuring car-mounted terminal internal battery 11.
In another possible embodiments of the present utility model, as shown in Fig. 7 or 8, the car-mounted terminal internal battery internal resistance measurement circuit 16 in above-mentioned all embodiments can comprise: R1, PNP triode, R2, the first PMOS, R3 and ground;
Wherein, the base stage of described PNP triode is connected with one end of R1, grounded collector, and emitter is connected with the common port that the grid of described first PMOS is formed with one end of R2;
The described source electrode of the first PMOS is connected with the other end of R2, drains by R3 ground connection;
The other end of R1 is as the control end of described car-mounted terminal internal battery internal resistance measurement circuit 16, and the common port that the described source electrode of the first PMOS and the other end of R2 are formed is as the measuring junction of car-mounted terminal internal battery internal resistance measurement circuit 16.
In the embodiment of the present application, after processor 12 receives the internal resistance measurement instruction of car-mounted terminal monitor supervision platform, the internal resistance measurement control end output low level of processor 12, PNP triode conducting, drag down the grid voltage of the first PMOS, source electrode and the drain electrode conducting of the first PMOS; The magnitude of voltage V that the voltage measurement end of processor 12 will be measured car-mounted terminal internal battery 11 and exports
export; Then processor 12 utilizes following formula, can calculate the internal resistance value of car-mounted terminal internal battery 11, and concrete formula is as follows:
Therefore, adopt this with novel foregoing circuit, also can realize the internal resistance value size measuring car-mounted terminal internal battery 11.
In another possible embodiments of the present utility model, as illustrated in fig. 9 or 10, the car-mounted terminal internal battery internal resistance measurement circuit 16 in above-mentioned all embodiments can comprise: R1, the first PMOS, the second PMOS, R2, R3 and ground;
Wherein, the described grid of the second PMOS is connected with one end of R1, grounded drain, and source electrode is connected with the common port that the grid of described first PMOS is formed with one end of R2;
The described source electrode of the first PMOS is connected with the other end of R2, drains by R3 ground connection;
The other end of R1 is as the control end of described car-mounted terminal internal battery internal resistance measurement circuit 16, and the common port that the described source electrode of the first PMOS and the other end of R2 are formed is as the measuring junction of car-mounted terminal internal battery internal resistance measurement circuit 16.
In the embodiment of the present application, after processor 12 receives the internal resistance measurement instruction of car-mounted terminal monitor supervision platform, the internal resistance measurement control end output low level of processor 12, the second PMOS conducting, drag down the grid voltage of the first PMOS, source electrode and the drain electrode conducting of the first PMOS; The magnitude of voltage V that the voltage measurement end of processor 12 will be measured car-mounted terminal internal battery 11 and exports
export; Then processor 12 utilizes following formula, can calculate the internal resistance value of car-mounted terminal internal battery 11, and concrete formula is as follows:
Therefore, adopt this with novel foregoing circuit, the internal resistance value size measuring car-mounted terminal internal battery 11 can be realized equally.
At this with in another novel possible embodiments, as shown in Figure 11 or 12, in above-mentioned all embodiments, SD card connector high frequency noise suppresses circuit 17 can comprise the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5 and the 6th electric capacity C6;
Wherein, C1, C2, C3, C4, C5 and C6 are in parallel, and the common port of parallel connection suppresses the output terminal of circuit 17 as SD card connector high frequency noise;
One end of C1 suppresses the first input end of circuit 17 as SD card connector high frequency noise, one end of C2 suppresses the second input end of circuit 17 as SD card connector high frequency noise, one end of C3 suppresses the 3rd input end of circuit 17 as SD card connector high frequency noise, one end of C4 suppresses the four-input terminal of circuit 17 as SD card connector high frequency noise, one end of C5 suppresses the 5th input end of circuit 17, one end of C6 to suppress the 6th input end of circuit 17 as SD card connector high frequency noise as SD card connector high frequency noise.
Therefore, adopt foregoing circuit, the high frequency noise that SD card connector 14 produces can be coupled to ground or processor 12 power supply in, thus reduce impact on other electronic equipment.
In another possible embodiments of the present utility model, the terminal of above-mentioned all embodiments, also can comprise: noise suppression component, for the noise suppressing car-mounted terminal to produce in a certain frequency range;
In this application, noise suppression component can be specially magnetic bead or magnet ring.Noise suppression component is connected on car-mounted terminal and can be formed in arbitrary circuit in loop, does not repeat them here.
Therefore employing noise suppression component can eliminate the noise that whole car-mounted terminal produces in a certain special frequency channel.
In another possible embodiments of the present utility model, the terminal in above-mentioned all embodiments, also can comprise: radome;
In the embodiment of the present application, radome specifically can be placed in the outside that car-mounted terminal internal battery 11, processor 12, wireless communication module 13, SD card 14, SD card connector 15, car-mounted terminal internal battery internal resistance measurement circuit 16 and SD card connector high frequency noise suppress circuit 17, and the earthing of casing of described radome.
Therefore, adopt the noise that radome can suppress car-mounted terminal to produce in whole frequency range, thus reduce the impact on other electronic equipment.
The above is only the embodiment of the application, those skilled in the art is understood or realizes the application.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments.Therefore, the application can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an electric automobile car-mounted terminal, comprise: car-mounted terminal internal battery, processor, wireless communication module, SD card and SD card connector, it is characterized in that, also comprise: car-mounted terminal internal battery internal resistance measurement circuit and SD card connector high frequency noise suppress circuit;
The common port that measuring junction and the feeder ear of described car-mounted terminal internal battery and the voltage measurement end of processor of described car-mounted terminal internal battery internal resistance measurement circuit are formed is connected, and control end is connected with the internal resistance measurement control end of described processor;
Described SD card connector high frequency noise suppresses the first input end of circuit to be connected with the common port that the first data pin of described processor and the first data pin of described SD card connector are formed, second input end is connected with the common port that the second data pin of described SD card connector is formed with the second data pin of described processor, the common port that 3rd input end is formed with the 3rd data pin of described processor and the 3rd data pin of described SD card connector is connected, the common port that four-input terminal is formed with the 4th data pin of described processor and the 4th data pin of described SD card connector is connected, 5th input end is connected with the common port that the clock pins of described SD card connector is formed with the clock pins of described processor, 6th input end is connected with the common port that the control pin of described SD card connector is formed with the control pin of described processor, power pins or the ground of output terminal and described processor are connected.
2. terminal according to claim 1, is characterized in that, described car-mounted terminal internal battery internal resistance measurement circuit comprises: the first resistance, NPN triode, the second resistance, the first PMOS, the 3rd resistance and ground;
Wherein, the base stage of described NPN triode is connected with one end of described first resistance, grounded emitter, and collector is connected with the common port that the grid of described first PMOS is formed with one end of described second resistance;
The source electrode of described first PMOS is connected with the other end of described second resistance, drains by described 3rd resistance eutral grounding;
The other end of described first resistance is as the control end of described car-mounted terminal internal battery internal resistance measurement circuit, and the common port that the source electrode of described first PMOS and the other end of described second resistance are formed is as the measuring junction of described car-mounted terminal internal battery internal resistance measurement resistance.
3. terminal according to claim 1, is characterized in that, described car-mounted terminal internal battery internal resistance measurement circuit comprises: the first resistance, NMOS tube, the second resistance, the first PMOS, the 3rd resistance and ground;
Wherein, the grid of described NMOS tube is connected with one end of described first resistance, source ground, and the common port formed with described second resistance one end and the grid of described first PMOS that drains is connected;
The source electrode of described first PMOS is connected with the other end of described second resistance, drains by described 3rd resistance eutral grounding;
The other end of described first resistance is as the control end of described car-mounted terminal internal battery internal resistance measurement circuit, and the common port that the source electrode of described first PMOS and the other end of described second resistance are formed is as the measuring junction of described car-mounted terminal internal battery internal resistance measurement circuit.
4. terminal according to claim 1, is characterized in that, described car-mounted terminal internal battery internal resistance measurement circuit comprises: the first resistance, PNP triode, the second resistance, the first PMOS, the 3rd resistance and ground;
Wherein, the base stage of described PNP triode is connected with one end of described first resistance, grounded collector, and emitter is connected with the common port that the grid of described first PMOS is formed with one end of described second resistance;
The source electrode of described first PMOS is connected with the other end of described second resistance, drains by described 3rd resistance eutral grounding;
The other end of described first resistance is as the control end of described car-mounted terminal internal battery internal resistance measurement circuit, and the common port that the source electrode of described first PMOS and the other end of described second resistance are formed is as the measuring junction of described car-mounted terminal internal battery internal resistance measurement circuit.
5. terminal according to claim 1, is characterized in that, described car-mounted terminal internal battery internal resistance measurement circuit comprises: the first resistance, the first PMOS, the second PMOS, the second resistance, the 3rd resistance and ground;
Wherein, the grid of described second PMOS is connected with one end of described first resistance, grounded drain, and source electrode is connected with the common port that the grid of described first PMOS is formed with one end of described second resistance;
The source electrode of described first PMOS is connected with the other end of described second resistance, drains by described 3rd resistance eutral grounding;
The other end of described first resistance is as the control end of described car-mounted terminal internal battery internal resistance measurement circuit, and the common port that the source electrode of described first PMOS and the other end of described second resistance are formed is as the measuring junction of described car-mounted terminal internal battery internal resistance measurement circuit.
6. terminal according to claim 1, is characterized in that, described SD card connector high frequency noise suppresses circuit to comprise the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity and the 6th electric capacity;
Wherein, described first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity and the 6th Capacitance parallel connection, and the common port of parallel connection suppresses the output terminal of circuit as described SD card connector high frequency noise;
One end of described first electric capacity suppresses the first input end of circuit as described SD card connector high frequency noise, one end of described second electric capacity suppresses the second input end of circuit as described SD card connector high frequency noise, one end of described 3rd electric capacity suppresses the 3rd input end of circuit as described SD card connector high frequency noise, one end of described 4th electric capacity suppresses the four-input terminal of circuit as described SD card connector high frequency noise, one end of described 5th electric capacity suppresses the 5th input end of circuit as described SD card connector high frequency noise, one end of described 6th electric capacity suppresses the 6th input end of circuit as described SD card connector high frequency noise.
7. terminal according to claim 1, is characterized in that, also comprises: noise suppression component.
8. terminal according to claim 7, is characterized in that, described noise suppression component is magnetic bead.
9. terminal according to claim 7, is characterized in that, described noise suppression component is magnet ring.
10. terminal according to claim 1, is characterized in that, also comprises: radome;
Described radome is placed in the outside that described car-mounted terminal internal battery, processor, wireless communication module, SD card, SD card connector, car-mounted terminal internal battery internal resistance measurement circuit and SD card connector high frequency noise suppress circuit, and the earthing of casing of described radome.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732587.0U CN204330885U (en) | 2014-11-28 | 2014-11-28 | Electric automobile car-mounted terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732587.0U CN204330885U (en) | 2014-11-28 | 2014-11-28 | Electric automobile car-mounted terminal |
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| Publication Number | Publication Date |
|---|---|
| CN204330885U true CN204330885U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420732587.0U Active CN204330885U (en) | 2014-11-28 | 2014-11-28 | Electric automobile car-mounted terminal |
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| Country | Link |
|---|---|
| CN (1) | CN204330885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3591566A4 (en) * | 2017-03-28 | 2020-02-19 | Sony Mobile Communications Inc. | Electronic component |
-
2014
- 2014-11-28 CN CN201420732587.0U patent/CN204330885U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3591566A4 (en) * | 2017-03-28 | 2020-02-19 | Sony Mobile Communications Inc. | Electronic component |
| US10998681B2 (en) | 2017-03-28 | 2021-05-04 | Sony Mobile Communications Inc. | Electronic component to reduce noise caused by the tip end of a memory card |
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Address after: 100176 room 502-1, floor 5, building 2, courtyard 10, keguyi street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: Singularity Xinyuan International Technology Development (Beijing) Co.,Ltd. Address before: 100081, Beijing, Haidian District sorghum Bridge oblique Street No. 34, building 212, room 19 Patentee before: Singularity Xinyuan International Technology Development (Beijing) Co.,Ltd. |