CN104901725A - Signal transmission device, positioner, signal transmission system and signal transmission method - Google Patents
Signal transmission device, positioner, signal transmission system and signal transmission method Download PDFInfo
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- CN104901725A CN104901725A CN201510257008.0A CN201510257008A CN104901725A CN 104901725 A CN104901725 A CN 104901725A CN 201510257008 A CN201510257008 A CN 201510257008A CN 104901725 A CN104901725 A CN 104901725A
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- 230000011664 signaling Effects 0.000 claims description 147
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- 230000003321 amplification Effects 0.000 claims description 15
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a signal transmission device, a positioner, a signal transmission system and a signal transmission method and belongs to the field of monitoring technology. The signal transmission device comprises a low-power dissipation Bluetooth assembly, a power amplifier, a radio frequency switch and an antenna. The output end of the low-power dissipation Bluetooth assembly is electrically connected with the input end of the power amplifier and with the first port of the radio frequency switch. The output end of the power amplifier is electrically connected with the first port of the radio frequency switch. The second port of the radio frequency switch is electrically connected with the antenna. When the radio frequency switch is in the first state, the low-power dissipation Bluetooth assembly, the power amplifier and the antenna are in the working state. When the radio frequency switch is in the second state, the low-power dissipation Bluetooth assembly and the antenna are in the working state. According to the invention, a problem that large electric quantity is required when a GSM assembly is used for transmitting position signals, so an effect of conservation of power quantity can be achieved.
Description
Technical field
The disclosure relates to monitoring technique field, particularly a kind of signal transmission apparatus, locator, signal transmission system and method for transmitting signals.
Background technology
Locator is used for positioning monitored object, thus can obtain the position of monitored object at any time, prevents the loss of monitored object.Locator is generally used for the monitoring to objects such as pet, child, cars.
The signal transmission system that correlation technique provides comprises locator and terminal, GPS (Global Position System in locator, global signal transmission system) assembly obtains the position signalling of locator, by GSM (Global System for Mobile Communication, global system for mobile communications) position signalling sends to terminal by assembly, terminal receives and shows this position signalling, and user determines the position of monitored object according to the position signalling of display.
Summary of the invention
For solving the problem by a large amount of electricity of GSM assembly transmission location signal demand consumption, present disclose provides a kind of signal transmission apparatus, locator, signal transmission system and method for transmitting signals.
According to the first aspect of disclosure embodiment, provide a kind of signal transmission apparatus, described signal transmission apparatus comprises: low-power consumption bluetooth module, power amplifier, radio-frequency (RF) switch and antenna;
The output of described low-power consumption bluetooth module is electrical connected with the input of described power amplifier and the first port of described radio-frequency (RF) switch respectively;
The output of described power amplifier and described first port of described radio-frequency (RF) switch are electrical connected;
Second port and the described antenna of described radio-frequency (RF) switch are electrical connected;
When described radio-frequency (RF) switch is in the first state, described low-power consumption bluetooth module, described power amplifier and described antenna are in running order;
When described radio-frequency (RF) switch is in the second state, described low-power consumption bluetooth module and described antenna in running order.
According to the second aspect of disclosure embodiment, provide a kind of locator, described locator comprises signal component output and signal transmission apparatus as described in relation to the first aspect;
The output of described signal component output and the input of described signal transmission apparatus are electrical connected.
According to the third aspect of disclosure embodiment, provide a kind of signal transmission system, described signal transmission system comprises the locator as described in second aspect and includes the terminal of low-power consumption bluetooth module.
According to the fourth aspect of disclosure embodiment, provide a kind of method for transmitting signals, be applied in the locator as described in second aspect, described method, comprising:
Obtained the position signalling of described locator by described signal component output, and described position signalling is exported to described low-power consumption bluetooth module;
When described radio-frequency (RF) switch is in described first state, by described low-power consumption bluetooth module, described position signalling is exported to described power amplifier;
By described power amplifier, described position signalling is amplified, and the described position signalling after amplifying is exported to described antenna;
By described antenna, the described position signalling after amplification is sent to terminal by bluetooth connection.
The technical scheme that embodiment of the present disclosure provides can comprise following beneficial effect:
By low-power consumption bluetooth module, position signalling is exported to power amplifier; By power amplifier, position signalling is amplified, and the position signalling after amplifying is exported to antenna; By antenna, the position signalling after amplification is sent to terminal by bluetooth connection, the transmission range of position signalling can be improved by power amplifier, and do not need by GSM assembly transmission location signal, solve the problem by a large amount of electricity of GSM assembly transmission location signal demand consumption, reach the effect of saving electricity.
Should be understood that, it is only exemplary that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in specification and to form a part for present disclosure specification, shows and meets embodiment of the present disclosure, and is used from specification one and explains principle of the present disclosure.
Fig. 1 is the block diagram of a kind of signal transmission apparatus according to an exemplary embodiment.
Fig. 2 is the block diagram of a kind of locator according to an exemplary embodiment.
Fig. 3 is the block diagram of a kind of locator according to an exemplary embodiment.
Fig. 4 is the block diagram of a kind of signal transmission system according to an exemplary embodiment.
Fig. 5 is the flow chart of a kind of method for transmitting signals according to an exemplary embodiment.
Fig. 6 is the flow chart of a kind of method for transmitting signals according to another exemplary embodiment.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Execution mode described in following exemplary embodiment does not represent all execution modes consistent with the disclosure.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present disclosure are consistent.
Fig. 1 is the block diagram of a kind of signal transmission apparatus according to an exemplary embodiment, and as shown in Figure 1, this signal transmission apparatus comprises: low-power consumption bluetooth module 110, power amplifier 120, radio-frequency (RF) switch 130 and antenna 140.
The output of low-power consumption bluetooth module 110 is electrical connected with the input of power amplifier 120 and the first port of radio-frequency (RF) switch 130 respectively;
The output of power amplifier 120 and the first port of radio-frequency (RF) switch 130 are electrical connected;
Second port and the antenna 140 of radio-frequency (RF) switch 130 are electrical connected;
Low-power consumption bluetooth module 110 can be BLE (Bluetooth Low Energy) assembly.Because the communication distance of low-power consumption bluetooth module 110 is logical shorter, can only reach about 30 meters, therefore, the signal that can be exported by power amplifier 120 pairs of low-power consumption bluetooth modules 110 is amplified, to extend communication distance.Now, the output of low-power consumption bluetooth module 110 needs to be electrical connected, as the part of the first path with the input of power amplifier 120.Its intermediate power amplifier 120 for amplifying the signal of input, and exports the signal after amplifying.The communication distance of the signal after the power amplifier 120 in the present embodiment amplifies can more than 400 meters.
Because power amplifier 120 can only unidirectional amplifying signal, therefore, signal does not output to low-power consumption bluetooth module 110 by power amplifier 120, that is, the first path can not receive the signal that outside terminal sends.Therefore, low-power consumption bluetooth module 110 needs to be connected by alternate path and outside terminal, so that the signal that sends of receiving terminal or send signal to terminal.
When existence first path and alternate path, also need to arrange radio-frequency (RF) switch 130, thus switched between the first path and alternate path by radio-frequency (RF) switch 130.Wherein, radio-frequency (RF) switch 130 comprises the first port and the second port, and the first port can as the input of radio-frequency (RF) switch 130, and the second port can as the output of radio-frequency (RF) switch 130.The output of power amplifier 120 and the first port of radio-frequency (RF) switch 130 are electrical connected, second port and the antenna 140 of radio-frequency (RF) switch 130 are electrical connected, and now low-power consumption bluetooth module 110, power amplifier 120, radio-frequency (RF) switch 130 and antenna 140 form the first path; The output of low-power consumption bluetooth module 110 and the first port of radio-frequency (RF) switch 130 are electrical connected, and the second port and the antenna 140 of radio-frequency (RF) switch 130 are electrical connected, and now low-power consumption bluetooth module 110, radio-frequency (RF) switch 130 and antenna 140 form alternate path.
When radio-frequency (RF) switch 130 is in the first state, low-power consumption bluetooth module 110, power amplifier 120 and antenna 140 are in running order;
When radio-frequency (RF) switch 130 is in the first state, the first path is in running order, that is, low-power consumption bluetooth module 110, power amplifier 120 and antenna 140 are in running order.
When radio-frequency (RF) switch 130 is in the second state, low-power consumption bluetooth module 110 and antenna 140 in running order.
When radio-frequency (RF) switch 130 is in the second state, alternate path is in running order, that is, low-power consumption bluetooth module 110 and antenna 140 in running order.
Wherein, the first state of radio-frequency (RF) switch 130 and the second state can be manual switchovers, also can be to automatically switch according to the information got, and the present embodiment does not limit the state switching mode of radio-frequency (RF) switch 130.
In the present embodiment, locator can carry out telecommunication by power amplifier, and does not need to arrange GSM assembly in locator, both can save the cost of GSM assembly, also can save and use the required expense paid to operator of GSM network.
In sum, the signal transmission apparatus that the disclosure provides, exports to power amplifier by low-power consumption bluetooth module by position signalling; By power amplifier, position signalling is amplified, and the position signalling after amplifying is exported to antenna; By antenna, the position signalling after amplification is sent to terminal by bluetooth connection, the transmission range of position signalling can be improved by power amplifier, and do not need by GSM assembly transmission location signal, solve the problem by a large amount of electricity of GSM assembly transmission location signal demand consumption, reach the effect of saving electricity.
It should be noted that, signal transmission apparatus, after getting signal, can carry out long-distance transmissions to this signal.According to the difference of application scenarios, signal transmission apparatus can be electrical connected from different assemblies, thus realize different functions.Such as, when needs transmission temperature signal, signal transmission apparatus and temperature sensor can be electrical connected; When needs transmission luminance signal, signal transmission apparatus and light sensor can be electrical connected; When needs transmission location signal, signal transmission apparatus and positioning component can be electrical connected.Be electrical connected with signal transmission apparatus and positioning component below, forming locator is that example is illustrated, and does not limit the embody rule of signal transmission apparatus.
Fig. 2 is the block diagram of a kind of locator according to an exemplary embodiment, and as shown in Figure 2, this locator comprises: signal component output 210 and signal transmission apparatus as shown in Figure 1 220;
The output of signal component output 210 and the input of signal transmission apparatus 220 are electrical connected.
Signal component output 210 is for generating position signalling.Wherein, position signalling can be that signal component output 210 gets, and can be that signal component output 210 gets from other equipment, the present embodiment limit the source of position signalling yet.
In sum, the locator that the disclosure provides, exports to power amplifier by low-power consumption bluetooth module by position signalling; By power amplifier, position signalling is amplified, and the position signalling after amplifying is exported to antenna; By antenna, the position signalling after amplification is sent to terminal by bluetooth connection, the transmission range of position signalling can be improved by power amplifier, and do not need by GSM assembly transmission location signal, solve the problem by a large amount of electricity of GSM assembly transmission location signal demand consumption, reach the effect of saving electricity.
Please refer to Fig. 2, this locator comprises: signal component output 210 and signal transmission apparatus as shown in Figure 1 220; The output of signal component output 210 and the input of signal transmission apparatus 220 are electrical connected.
The position signalling that signal component output 210 exports is transmitted by signal transmission apparatus 220.
Because the power consumption of power amplifier 120 is higher, therefore, when locator does not need transmission location signal, radio-frequency (RF) switch 130 can be controlled and is in the second state, to save power consumption; When locator needs transmission location signal, control radio-frequency (RF) switch 130 and be in the first state, to extend communication distance.
First state of radio-frequency (RF) switch 130 and the second state can be manual switchovers, also can be to automatically switch according to the information got.When automatically radio-frequency (RF) switch 130 being switched to the first state by the second state, low-power consumption bluetooth module 110 comprises processor 111; Processor 111, for obtaining the position signalling that signal component output 210 exports, and when position signalling meets transmission conditions, is switched to the first state by radio-frequency (RF) switch 130 by the second state.Please refer to the block diagram of the locator shown in Fig. 3.
Position signalling is sent to the processor 111 in low-power consumption bluetooth module by signal component output 210, processor 111 detects this position signalling again and whether meets the transmission conditions preset, when this position signalling meets transmission conditions, control radio-frequency (RF) switch 130 and switch to the first state by the second state; When this position signalling does not meet transmission conditions, control radio-frequency (RF) switch 130 and continue maintenance second state.Wherein, transmission conditions can be locator occurrence positions change or locator away from terminal, thus during in the monitored object transmission change in location at locator place or away from terminal, determine that controlled device may be stolen or go astray from the group, thus the user of terminal is pointed out, to ensure the fail safe of monitored object.
In the present embodiment, signal component output 210 is at least one in positioning component and acceleration transducer.
When positioning component is GPS assembly, position signalling is the geographical position of locator.Now, processor 111 can obtain position signalling every predetermined amount of time, and whether detect current position signal identical with last position signalling, when current position signal is different with last position signalling, determine that locator occurrence positions changes, radio-frequency (RF) switch 130 is switched to the first state by the second state; When current position signal is identical with last position signalling, determines the non-occurrence positions change of locator, control radio-frequency (RF) switch 130 and continue maintenance second state.Or, processor 111 can obtain the position signalling of terminal in advance, and the second distance between the last position signalling of the first Distance geometry calculated between current position signal and the position signalling of terminal and the position signalling of terminal, detect the first distance and whether be greater than second distance, when the first distance is greater than second distance, determine locator away from terminal, radio-frequency (RF) switch 130 is switched to the first state by the second state; When the first distance equals second distance, determine the non-occurrence positions change of locator, control radio-frequency (RF) switch 130 and continue maintenance second state.
When signal component output is acceleration transducer, position signalling is the acceleration of locator.Now, whether processor 111 numerical value of detection position signal can be greater than predetermined threshold, when the numerical value of position signalling is greater than predetermined threshold, determines that locator is shaken, possible thief is stealing monitored object, and radio-frequency (RF) switch 130 is switched to the first state by the second state; When the numerical value of position signalling is less than or equal to predetermined threshold, determine that locator is not shaken, control radio-frequency (RF) switch 130 and continue maintenance second state.
In sum, the locator that the disclosure provides, exports to power amplifier by low-power consumption bluetooth module by position signalling; By power amplifier, position signalling is amplified, and the position signalling after amplifying is exported to antenna; By antenna, the position signalling after amplification is sent to terminal by bluetooth connection, the transmission range of position signalling can be improved by power amplifier, and do not need by GSM assembly transmission location signal, solve the problem by a large amount of electricity of GSM assembly transmission location signal demand consumption, reach the effect of saving electricity.
Fig. 4 is the block diagram of a kind of signal transmission system according to an exemplary embodiment, and as shown in Figure 4, this signal transmission system comprises locator 410 as shown in Figure 2 or Figure 3 and includes the terminal 420 of low-power consumption bluetooth module.
Wherein, terminal 420 comprises low-power consumption bluetooth module, and this low-power consumption bluetooth module is used for setting up bluetooth with the low-power consumption bluetooth module in locator and is connected, and receives the position signalling of locator transmission by this low-power consumption bluetooth module.
Optionally, terminal can also comprise display module, and this display module is for showing the position signalling of locator.
Optionally, terminal can also comprise audio-frequency assembly, and this audio-frequency assembly is used for the position signalling generation auditory tone cues according to locator.
In sum, the signal transmission system that the disclosure provides, exports to power amplifier by low-power consumption bluetooth module by position signalling; By power amplifier, position signalling is amplified, and the position signalling after amplifying is exported to antenna; By antenna, the position signalling after amplification is sent to terminal by bluetooth connection, the transmission range of position signalling can be improved by power amplifier, and do not need by GSM assembly transmission location signal, solve the problem by a large amount of electricity of GSM assembly transmission location signal demand consumption, reach the effect of saving electricity.
Fig. 5 is the flow chart of a kind of method for transmitting signals according to an exemplary embodiment, and this method for transmitting signals is applied in locator as shown in Figure 2 or Figure 3, and as shown in Figure 5, this method for transmitting signals comprises the following steps.
In step 501, obtained the position signalling of locator by signal component output, and position signalling is exported to low-power consumption bluetooth module.
In step 502, when radio-frequency (RF) switch is in the first state, by low-power consumption bluetooth module, position signalling is exported to power amplifier.
In step 503, by power amplifier, position signalling is amplified, and the position signalling after amplifying is exported to antenna.
In step 504, by antenna, the position signalling after amplification is sent to terminal by bluetooth connection.
In sum, the method for transmitting signals that the disclosure provides, exports to power amplifier by low-power consumption bluetooth module by position signalling; By power amplifier, position signalling is amplified, and the position signalling after amplifying is exported to antenna; By antenna, the position signalling after amplification is sent to terminal by bluetooth connection, the transmission range of position signalling can be improved by power amplifier, and do not need by GSM assembly transmission location signal, solve the problem by a large amount of electricity of GSM assembly transmission location signal demand consumption, reach the effect of saving electricity.
Fig. 6 is the flow chart of a kind of method for transmitting signals according to another exemplary embodiment, and this method for transmitting signals is applied in locator as shown in Figure 2 or Figure 3, and as shown in Figure 6, this method for transmitting signals comprises the steps.
In step 601, when low-power consumption bluetooth module comprises processor, control radio-frequency (RF) switch by processor and be in the second state.
Before locator sends position signalling to terminal, locator needs to set up bluetooth with terminal and is connected.Set up needs when bluetooth is connected due to locator and terminal to match, and locator both needed Received signal strength during pairing, also needed to send signal, now, processor can control radio-frequency (RF) switch and be in the second state, namely sets up bluetooth by alternate path and terminal and is connected.
In step 602, set up bluetooth by low-power consumption bluetooth module and terminal to be connected.
Wherein, the technology that the low-power consumption bluetooth module in locator and the low-power consumption bluetooth module in terminal carry out matching and resume bluetooth is connected is very ripe, does not repeat herein.
In step 603, control radio-frequency (RF) switch by processor and switch to the first state by the second state.
Set up after bluetooth is connected in locator and terminal, processor can control radio-frequency (RF) switch and switch to the first state by the second state, thus sends position signalling by the first path to terminal.
Because the power consumption of the power amplifier in the first path is higher, therefore, processor can also control radio-frequency (RF) switch when not needing to send position signalling and be in the second state, controls radio-frequency (RF) switch and switches to the first state by the second state, thus reduce power consumption when needs send position signalling.
Wherein, control radio-frequency (RF) switch by processor and switch to the first state by the second state, comprising:
1) every predetermined amount of time, the position signalling of signal component output output is obtained by processor;
2) whether transmission conditions are met by processor detection position signal;
3) when position signalling meets transmission conditions, control radio-frequency (RF) switch by controller and switch to the first state by the second state.
Processor can the position signalling of Real-time Obtaining locator, and detects according to position signalling and send to terminal the need of by position signalling.In the present embodiment, locator can pre-set transmission conditions, when position signalling meets transmission conditions, determines to need position signalling to send to terminal; When position signalling does not meet transmission conditions, determine not need position signalling to send to terminal.
Optionally, whether meet transmission conditions by processor detection position signal, comprising:
1) when signal component output is positioning component, detect current position signal by processor whether identical with last position signalling, when current position signal is different from last position signalling, determine that position signalling meets transmission conditions;
2) when signal component output is positioning component, by the second distance between the last position signalling of the first Distance geometry between processor calculating current position signal and the position signalling of terminal and the position signalling of terminal, detect the first distance and whether be greater than second distance, when the first distance is greater than second distance, determine that position signalling meets transmission conditions, the position signalling of terminal is that processor got before control radio-frequency (RF) switch switches to the first state by the second state;
3) when signal component output is acceleration transducer, whether be greater than predetermined threshold by the numerical value of processor detection position signal, when the numerical value of position signalling is greater than predetermined threshold, determine that position signalling meets transmission conditions.
In the first implementation, transmission conditions are used for detection and location device, and whether occurrence positions changes.Suppose that predetermined amount of time is 1 minute, whether processor can detect the geographical position indicated by position signalling obtained before for 1 minute identical with the geographical position indicated by the position signalling that current time obtains.When two geographical position are identical, determine the non-occurrence positions change of locator, position signalling does not meet transmission conditions; When two geographical position are different, determine that locator occurrence positions changes, position signalling meets transmission conditions.
In the second implementation, whether transmission conditions are used for detection and location device away from terminal.Suppose that predetermined amount of time is 1 minute, and the first distance between the position signalling of the locator obtained before 1 minute and the position signalling of terminal is 30 meters, second distance between the position signalling of the locator that current time obtains and the position signalling of terminal is 30 meters, determine locator not away from terminal, position signalling does not meet transmission conditions; Second distance between the position signalling of the locator that current time obtains and the position signalling of terminal is 40 meters, and determine locator away from terminal, position signalling meets transmission conditions.
Wherein, the position signalling of terminal can be set up bluetooth in locator and terminal to be connected, and got before radio-frequency (RF) switch switches to the first state by the second state.
In the third implementation, whether transmission conditions are used for detection and location device and rock.Suppose that predetermined threshold is 0, when the numerical value of the acceleration of the locator that current time obtains is zero, determine that locator is not shaken, position signalling does not meet transmission conditions; When the numerical nonzero of the acceleration of the locator that current time obtains, determine that locator is shaken, position signalling meets transmission conditions.
In step 604, obtained the position signalling of locator by signal component output, and position signalling is exported to low-power consumption bluetooth module.
After processor control radio-frequency (RF) switch switches to the first state by the second state, the first path is in running order, and now position signalling can be exported to low-power consumption bluetooth module by signal component output.
In step 605, when radio-frequency (RF) switch is in the first state, by low-power consumption bluetooth module, position signalling is exported to power amplifier.
In step 606, by power amplifier, position signalling is amplified, and the position signalling after amplifying is exported to antenna.
Wherein, the technology that power amplifier amplifies signal is very ripe, does not repeat herein.
In step 607, by antenna, the position signalling after amplification is sent to terminal by bluetooth connection.
It should be noted that the method that the present embodiment provides also comprises: after the position signalling after amplification is sent to terminal by antenna, control radio-frequency (RF) switch by processor and switch to the second state by the first state.
After signal after processor can also amplify passing through the first tunnel, controlling radio-frequency (RF) switch and switching to the second state by the first state, thus closing power amplifier, to reduce power consumption.
Optionally, processor can start timing when signal transmission, after timing reaches scheduled duration, control radio-frequency (RF) switch and switch to the second state by the first state, during to avoid needing the signal after by the multiple amplification of the first tunnel, the problem of the wasting of resources that frequent switching the first state and the second state cause.
In sum, the method for transmitting signals that the disclosure provides, exports to power amplifier by low-power consumption bluetooth module by position signalling; By power amplifier, position signalling is amplified, and the position signalling after amplifying is exported to antenna; By antenna, the position signalling after amplification is sent to terminal by bluetooth connection, the transmission range of position signalling can be improved by power amplifier, and do not need by GSM assembly transmission location signal, solve the problem by a large amount of electricity of GSM assembly transmission location signal demand consumption, reach the effect of saving electricity.
In addition, by after the position signalling after amplification is sent to terminal by antenna, control radio-frequency (RF) switch by processor and switch to the second state by the first state, the problem that operate power amplifier needs to consume a large amount of electricity can be solved, reach the effect of saving electricity.
Those skilled in the art, at consideration specification and after putting into practice disclosure herein, will easily expect other embodiment of the present disclosure.The application is intended to contain any modification of the present disclosure, purposes or adaptations, and these modification, purposes or adaptations are followed this general principle and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Specification and embodiment are only regarded as exemplary, and true scope of the present disclosure and spirit are pointed out by claim below.
Should be understood that, the disclosure is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.The scope of the present disclosure is only limited by appended claim.
Claims (11)
1. a signal transmission apparatus, is characterized in that, described signal transmission apparatus comprises: low-power consumption bluetooth module, power amplifier, radio-frequency (RF) switch and antenna;
The output of described low-power consumption bluetooth module is electrical connected with the input of described power amplifier and the first port of described radio-frequency (RF) switch respectively;
The output of described power amplifier and described first port of described radio-frequency (RF) switch are electrical connected;
Second port and the described antenna of described radio-frequency (RF) switch are electrical connected;
When described radio-frequency (RF) switch is in the first state, described low-power consumption bluetooth module, described power amplifier and described antenna are in running order;
When described radio-frequency (RF) switch is in the second state, described low-power consumption bluetooth module and described antenna in running order.
2. a locator, is characterized in that, described locator comprises signal component output and signal transmission apparatus as claimed in claim 1;
The output of described signal component output and the input of described signal transmission apparatus are electrical connected.
3. locator according to claim 2, is characterized in that, described low-power consumption bluetooth module comprises processor;
Described processor, for obtaining the position signalling that described signal component output exports, and when described position signalling meets transmission conditions, is switched to described first state by described radio-frequency (RF) switch by described second state.
4. the locator according to Claims 2 or 3, is characterized in that, described signal component output is at least one in positioning component and acceleration transducer.
5. locator according to claim 4, is characterized in that, described positioning component is global position system GPS assembly.
6. a signal transmission system, described signal transmission system comprise as arbitrary in claim 2 to 5 as described in locator and include the terminal of low-power consumption bluetooth module.
7. a localization method, is characterized in that, be applied to as arbitrary in claim 2 to 5 as described in locator in, described method, comprising:
Obtained the position signalling of described locator by described signal component output, and described position signalling is exported to described low-power consumption bluetooth module;
When described radio-frequency (RF) switch is in described first state, by described low-power consumption bluetooth module, described position signalling is exported to described power amplifier;
By described power amplifier, described position signalling is amplified, and the described position signalling after amplifying is exported to described antenna;
By described antenna, the described position signalling after amplification is sent to terminal by bluetooth connection.
8. method according to claim 7, is characterized in that, described method, also comprises:
When described low-power consumption bluetooth module comprises processor, control described radio-frequency (RF) switch by described processor and be in described second state;
Set up described bluetooth by described low-power consumption bluetooth module and described terminal to be connected;
Control described radio-frequency (RF) switch by described processor and switch to described first state by described second state.
9. method according to claim 8, is characterized in that, describedly controls described radio-frequency (RF) switch by described processor and switches to described first state by described second state, comprising:
Every predetermined amount of time, obtained the described position signalling of described signal component output output by described processor;
Detect described position signalling by described processor and whether meet transmission conditions;
When described position signalling meets described transmission conditions, control described radio-frequency (RF) switch by described controller and switch to described first state by described second state.
10. method according to claim 9, is characterized in that, describedly detects described position signalling by described processor and whether meets transmission conditions, comprising:
When described signal component output is described positioning component, current position signal is detected whether identical with last position signalling by described processor, when described current position signal is different from described last position signalling, determine that described position signalling meets described transmission conditions;
When described signal component output is described positioning component, by the second distance between the last position signalling of the first Distance geometry between described processor calculating current position signal and the position signalling of described terminal and the position signalling of described terminal, detect described first distance and whether be greater than described second distance, when described first distance is greater than described second distance, determine that described position signalling meets described transmission conditions, the position signalling of described terminal is that described processor got before the described radio-frequency (RF) switch of control switches to described first state by described second state,
When described signal component output is described acceleration transducer, whether the numerical value being detected described position signalling by described processor is greater than predetermined threshold, when the numerical value of described position signalling is greater than described predetermined threshold, determine that described position signalling meets described transmission conditions.
11. according to the arbitrary described method of claim 7 to 10, and it is characterized in that, described method, also comprises:
After the described position signalling after amplification is sent to described terminal by described antenna, control described radio-frequency (RF) switch by described processor and switch to described second state by described first state.
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Effective date of registration: 20181116 Address after: 230088 room 1201, A4 tower, national animation base, 800 Wangjiang West Road, Hefei, Anhui. Co-patentee after: Xiaomi Technology Co., Ltd. Patentee after: ANHUI HUAMI INFORMATION TECHNOLOGY CO., LTD. Address before: 710075 Shaanxi Xi'an high tech Zone, 85 Road, Gao, Shangdu, Mocha 4, 1 units, 18 stories, 11810 rooms. Co-patentee before: Xiaomi Technology Co., Ltd. Patentee before: XI'AN HAIDAO INFORMATION TECHNOLOGY CO., LTD. |
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