CN203057115U - Wireless remote-control emitter - Google Patents
Wireless remote-control emitter Download PDFInfo
- Publication number
- CN203057115U CN203057115U CN 201220672659 CN201220672659U CN203057115U CN 203057115 U CN203057115 U CN 203057115U CN 201220672659 CN201220672659 CN 201220672659 CN 201220672659 U CN201220672659 U CN 201220672659U CN 203057115 U CN203057115 U CN 203057115U
- Authority
- CN
- China
- Prior art keywords
- unit
- electric capacity
- remote control
- wireless remote
- button
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Transmitters (AREA)
Abstract
The utility model relates to a wireless remote-control emitter. The emitter comprises a button unit, a coding unit, an oscillation unit, a modulation unit and an antenna unit, wherein the button unit includes a plurality of buttons; if one of the buttons is pressed, the coding unit performs coding and outputs a modulation signal obtained by coding to the modulation unit; the oscillation unit generates a wave carrier signal and outputs the wave carrier signal to the modulation unit; the modulation unit performs modulation process on the wave carrier signal by using the modulation signal and outputs a first high-frequency modulation signal obtained by the process to the antenna unit, and the antenna unit emits the first high-frequency modulation signal. The beneficial effects of the wireless remote-control emitter are that, the circuit power consumption is low, the battery is durable, the remote control distance is large and the cost is low.
Description
Technical field
The utility model relates to wireless communication field, more particularly, relates to a kind of wireless remote control emitter.
Background technology
The wireless remote control technology principle is exactly that transmitter is encoded the signal of telecommunication of control earlier, converts radio wave then to and sends.Receiver receives that the radio wave of carrying information receives, amplifies, decodes, and obtains original control signal of telecommunication, and this signal of telecommunication carries out power amplification again and is used for driving relevant electric component, realizes wireless remote control.Digiplex is exactly a kind of device that is used for remote control of machine.Modern remote controller mainly is made up of with the button that is used for producing different messages surface-mounted integrated circuit.At present, Digiplex has obtained increasing application in life, bring great convenience to people.Along with the progressive Digiplex of science and technology has also expanded to numerous species, common in simple terms have two kinds, a kind of is household electrical appliances infrared remote control patterns (IR Remote Conrol) commonly used, and another kind is anti-theft alarming equipment, door and window remote control, automobile remote-control etc. wireless remotecontrol pattern (RF Remote Control) commonly used.Traditional Digiplex is because circuit parameter design is unreasonable, and the power consumption of circuit is bigger, and battery is not durable, and remote control distance is also shorter, and cost is higher, and its performance can not meet the safety standard requirements of various countries basically.
The utility model content
The technical problems to be solved in the utility model is, at the foregoing circuit power consumption of prior art is big, battery is not durable, remote control distance is short, the higher defective of cost, provide that a kind of circuit power consumption is less, battery is durable, remote control distance is far away, lower-cost wireless remote control emitter.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of wireless remote control emitter, comprise push-button unit, coding unit, oscillating unit, modulating unit and antenna element; Described push-button unit comprises a plurality of buttons, when pressing a described button, the modulation signal that described coding unit obtains after encoding and will encoding outputs to described modulating unit, described oscillating unit produces carrier signal and described carrier signal is outputed to described modulating unit, first high-frequency modulation signal that described modulating unit uses described modulation signal that described carrier signal is carried out obtaining after modulation treatment also will be handled exports described antenna element to, and described antenna element is launched described first high-frequency modulation signal.
In wireless remote control emitter described in the utility model, also comprise the matched filtering unit that is arranged between described modulating unit and the antenna element, described matched filtering unit carries out filtering with the high-frequency signal outside the described first high-frequency modulation signal frequency band and second high-frequency modulation signal that obtains after the filtering is launched by described antenna element.
In wireless remote control emitter described in the utility model, described antenna element comprises PCB LOOP antenna.
In wireless remote control emitter described in the utility model, described modulating unit comprises triode and resonant tank; Described resonant tank comprises the 5th resistance, first inductance and the 8th electric capacity in parallel; The output that described oscillating unit is exported described carrier signal is connected with the base stage of described triode, one output of described coding unit outputs to the base stage of described triode with described modulation signal, and the collector electrode of described triode and described the 5th resistance, first inductance and the 8th electric capacity and an end that connects are connected.
In wireless remote control emitter described in the utility model, described modulating unit also comprises the 3rd resistance, the 5th electric capacity and the 6th electric capacity; The emitter of described triode is connected with an end of described the 3rd resistance and the 6th electric capacity respectively, the other end of the other end of described the 3rd resistance and the 6th electric capacity is connected to ground altogether, one end of described the 5th electric capacity is connected with the collector electrode of described triode, and the other end is connected with an end of described the 6th electric capacity.
In wireless remote control emitter described in the utility model, described modulating unit also comprises the tenth electric capacity, and an end of described the tenth electric capacity is connected with the collector electrode of described triode, and the other end is connected with the input of described matched filtering unit.
In wireless remote control emitter described in the utility model, described matched filtering unit comprises second inductance, the 3rd inductance, the 7th electric capacity, the 11 electric capacity and the 13 electric capacity; The other end of described the tenth electric capacity is connected with an end of described the 3rd inductance, an end of second inductance and an end of the 7th electric capacity respectively, one end of described the 13 electric capacity is connected with the other end of described the 3rd inductance, one end of described the 11 electric capacity is connected with the other end of described second inductance, and the other end of the other end of described the 13 electric capacity, described the 7th electric capacity and the other end of described the 11 electric capacity are connected to ground altogether.
In wireless remote control emitter described in the utility model, described modulation signal is pwm signal, and an output of described coding unit outputs to described pwm signal after through first resistance base stage of described triode.
In wireless remote control emitter described in the utility model, also comprise the indicating member that is used to indicate described wireless remote control emitter operating state, described indicating member comprises LED and second resistance, the negative electrode of described LED is connected with another output of described coding unit, its anode is connected with an end of described second resistance, another termination power of described second resistance.
In wireless remote control emitter described in the utility model, described push-button unit comprises first button and second button; One end of described first button is connected with an input of described coding unit, and an end of described second button is connected with another input of described coding unit, and the other end of the other end of described first button and described second button is connected to power supply altogether.
Implement wireless remote control emitter of the present utility model, has following beneficial effect: because the modulation signal of the carrier signal that oscillating unit produces and coding unit output enters transistor base respectively, transistor collector connects resonant tank, and resonant tank adopts the shunt-resonant circuit, its centre frequency of output is first high-frequency modulation signal (modulated signal) of frequency of carrier signal behind the generation resonance, and when resonance takes place, the total current minimum of circuit, so its circuit loss is less, battery is durable, and remote control distance is far away; Because using the matched filtering unit that the high-frequency signal outside the first high-frequency modulation signal frequency band is carried out filtering disturbs to eliminate, suppressed harmonic components, the energy of circuit is all concentrated on the first-harmonic, so the transmitting power of first-harmonic is big, its remote control distance is obviously strengthened; In addition, because antenna is PCB LOOP antenna (PCB loop aerial), can change live width easily to carry out impedance adjustment, make impedance reach coupling easilier, increase the transmitting power of antenna, so circuit loss is less, battery is durable, and remote control distance is far away, cost is lower.
Description of drawings
Fig. 1 is the structural representation of the utility model wireless remote control emitter;
Fig. 2 is the schematic diagram of the utility model wireless remote control emitter.
Embodiment
Can understand and implement the utility model for the ease of those of ordinary skill in the art, below in conjunction with accompanying drawing the utility model embodiment is described further.
In the present embodiment, the structural representation of wireless remote control emitter as shown in Figure 1.This wireless remote control emitter comprises push-button unit 1, coding unit 2, oscillating unit 3, modulating unit 4 and antenna element 5; Wherein, push-button unit 1 comprises a plurality of buttons, when by next button, the modulation signal that coding unit 2 obtains after encoding and will encoding outputs to modulating unit 4, oscillating unit 3 produces carrier signal and carrier signal is outputed to modulating unit 4, first high-frequency modulation signal that modulating unit 4 uses modulation signal that carrier signal is carried out obtaining after modulation treatment also will be handled exports antenna element 5 to, and antenna element 5 is launched first high-frequency modulation signal.
This wireless remote control emitter also comprises the matched filtering unit 6 that is arranged between modulating unit 4 and the antenna element 5, and matched filtering unit 6 carries out filtering with the high-frequency signal outside the first high-frequency modulation signal frequency band and second high-frequency modulation signal that obtains after the filtering is launched by antenna element 5.That is to say, after first high-frequency modulation signal is by matched filtering unit 6, high-frequency signal outside the first high-frequency modulation signal frequency band is carried out filtering obtain second high-frequency modulation signal, high frequency in first high-frequency modulation signal can be mixed like this and inject capable filtering, namely suppressed harmonic components, the energy of circuit is all concentrated on the first-harmonic, so the transmitting power of first-harmonic is bigger, remote control distance is far away.
Fig. 2 is the schematic diagram of wireless remote control emitter in the present embodiment.Among Fig. 2, modulating unit 4 comprises triode Q1 and resonant tank; Resonant tank comprises the 5th resistance R 5, first inductance L 1 and the 8th capacitor C 8 in parallel; The output of oscillating unit 3 outgoing carrier signals is connected with the base stage of triode Q1, one output of coding unit 2 outputs to the base stage of triode Q1 with modulation signal, and the collector electrode of triode Q1 and the 5th resistance R 5, first inductance L 1 and the 8th capacitor C 8 and an end that connects are connected.In the present embodiment, oscillating unit 3 comprises resonator SAWR(SAW (Surface Acoustic Wave) resonator), the 1st pin outgoing carrier signal of resonator SAWR also outputs to carrier signal the base stage of triode Q1, in the present embodiment, triode Q1 is NPN type high frequency amplifier tube, and the centre frequency of resonator SAWR is 433.92MHz, certainly, according to actual needs, can select centre frequency is the SAW (Surface Acoustic Wave) resonator of other values.
Modulating unit 4 also comprises the 3rd resistance R 3, the 5th capacitor C 5 and the 6th capacitor C 6; The emitter of triode Q1 is connected with the end of the 3rd resistance R 3 with the 6th capacitor C 6 respectively, the other end of the other end of the 3rd resistance R 3 and the 6th capacitor C 6 is connected to ground altogether, one end of the 5th capacitor C 5 is connected with the collector electrode of triode Q1, and the other end is connected with an end of the 6th capacitor C 6.Modulating unit 4 comprises that also an end of the tenth capacitor C 10, the ten capacitor C 10 is connected with the collector electrode of triode Q1, and the other end is connected with the input of matched filtering unit 6.
In the present embodiment, matched filtering unit 6 comprises second inductance L 2, the 3rd inductance L 3, the 7th capacitor C 7, the 11 capacitor C 11 and the 13 capacitor C 13; The other end of the tenth capacitor C 10 is connected with an end of the 3rd inductance L 3, an end of second inductance L 2 and an end of the 7th capacitor C 7 respectively, one end of the 13 capacitor C 13 is connected with the other end of the 3rd inductance L 3, one end of the 11 capacitor C 11 is connected with the other end of second inductance L 2, and the other end of the other end of the 13 capacitor C 13, the 7th capacitor C 7 and the other end of the 11 capacitor C 11 are connected to ground altogether.
In the present embodiment, above-mentioned modulation signal is pwm signal, and an output of coding unit 2 outputs to pwm signal after through first resistance R 1 base stage of triode Q1.Specifically, coding unit 2 comprises coding chip U1, the model of coding chip U1 is HCS300, the 6th pin output pwm signal of coding chip U1, and pwm signal outputed to the base stage of triode Q1 after through first resistance R 1, pwm signal is for having finished 64 binary system code values of code value, certainly, according to concrete needs, the figure place of binary system code value can adjust accordingly.When the high level of pwm signal is input to the base stage of triode Q1, triode Q1 conducting, resonant tank generation resonance, export first high-frequency modulation signal from resonant tank, what deserves to be mentioned is that first high-frequency signal namely is the signal that includes 64 binary system code values that carrier signal is modulated into by pwm signal; When the low level of pwm signal was input to the base stage of triode Q1, triode Q1 ended, and resonance does not take place resonant tank, the collector electrode output high level of triode Q1.
This wireless remote control emitter comprises that also indicating member 7(is referring to Fig. 1), indicating member 7 is used to indicate the operating state of wireless remote control emitter, indicating member 7 comprises LED and second resistance R 2, the negative electrode of LED is connected with another output of coding unit 2, the negative electrode that is LED is connected with the 7th pin of coding chip U1, and the anode of LED is connected with an end of second resistance R 2, another termination power VCC of second resistance R 2, in the present embodiment, the voltage of power supply VCC is 3.0V-12V.
In the present embodiment, push-button unit 1 comprises the first button S0 and the second button S1; The end of the first button S0 is connected with an input of coding unit 2, and the end of the second button S1 is connected with another input of coding unit 2, and the other end of the other end of the first button S1 and the second button S1 is connected to power supply VCC altogether.That is to say that the end of the first button S0 is connected with the 1st pin of coding chip U1, the end of the second button S1 is connected with the 2nd pin of coding chip.When pressing the first button S0 or the second button S1, coding chip U1 encodes, and at this moment LED is luminous.
In a word, in the present embodiment, coding chip U1 is by the 6th pin output pwm signal, and pwm signal is sent the base stage that is sent to triode Q1 by first resistance R 1, resonator SAWR outgoing carrier signal also is sent to carrier signal the base stage of triode Q1, when parallel resonance takes place, be first high-frequency modulation signal of 433.93MHz from resonant tank output center frequency, and the total current minimum of circuit during parallel resonance, so its battery is durable, first high-frequency modulation signal injects capable filtering and obtains second high-frequency modulation signal the high frequency outside its frequency band is assorted after through matched filtering unit 6, owing to suppressed harmonic components, eliminated interference, make the energy of circuit all concentrate on the first-harmonic, so the transmitting power of first-harmonic is big, its remote control distance is obviously strengthened; In addition, because antenna is PCB LOOP antenna (PCB loop aerial), can change live width easily to carry out impedance adjustment, make impedance reach coupling easilier, increase the transmitting power of antenna, so circuit loss is less, battery is durable, and remote control distance is far away, cost is lower.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a wireless remote control emitter is characterized in that, comprises push-button unit, coding unit, oscillating unit, modulating unit and antenna element; Described push-button unit comprises a plurality of buttons, when pressing a described button, the modulation signal that described coding unit obtains after encoding and will encoding outputs to described modulating unit, described oscillating unit produces carrier signal and described carrier signal is outputed to described modulating unit, first high-frequency modulation signal that described modulating unit uses described modulation signal that described carrier signal is carried out obtaining after modulation treatment also will be handled exports described antenna element to, and described antenna element is launched described first high-frequency modulation signal.
2. wireless remote control emitter according to claim 1, it is characterized in that, also comprise the matched filtering unit that is arranged between described modulating unit and the antenna element, described matched filtering unit carries out filtering with the high-frequency signal outside the described first high-frequency modulation signal frequency band and second high-frequency modulation signal that obtains after the filtering is launched by described antenna element.
3. wireless remote control emitter according to claim 1 and 2 is characterized in that, described antenna element comprises PCB LOOP antenna.
4. wireless remote control emitter according to claim 3 is characterized in that, described modulating unit comprises triode and resonant tank; Described resonant tank comprises the 5th resistance, first inductance and the 8th electric capacity in parallel; The output that described oscillating unit is exported described carrier signal is connected with the base stage of described triode, one output of described coding unit outputs to the base stage of described triode with described modulation signal, and the collector electrode of described triode and described the 5th resistance, first inductance and the 8th electric capacity and an end that connects are connected.
5. wireless remote control emitter according to claim 4 is characterized in that, described modulating unit also comprises the 3rd resistance, the 5th electric capacity and the 6th electric capacity; The emitter of described triode is connected with an end of described the 3rd resistance and the 6th electric capacity respectively, the other end of the other end of described the 3rd resistance and the 6th electric capacity is connected to ground altogether, one end of described the 5th electric capacity is connected with the collector electrode of described triode, and the other end is connected with an end of described the 6th electric capacity.
6. wireless remote control emitter according to claim 5 is characterized in that, described modulating unit also comprises the tenth electric capacity, and an end of described the tenth electric capacity is connected with the collector electrode of described triode, and the other end is connected with the input of described matched filtering unit.
7. wireless remote control emitter according to claim 6 is characterized in that, described matched filtering unit comprises second inductance, the 3rd inductance, the 7th electric capacity, the 11 electric capacity and the 13 electric capacity; The other end of described the tenth electric capacity is connected with an end of described the 3rd inductance, an end of second inductance and an end of the 7th electric capacity respectively, one end of described the 13 electric capacity is connected with the other end of described the 3rd inductance, one end of described the 11 electric capacity is connected with the other end of described second inductance, and the other end of the other end of described the 13 electric capacity, described the 7th electric capacity and the other end of described the 11 electric capacity are connected to ground altogether.
8. wireless remote control emitter according to claim 7 is characterized in that, described modulation signal is pwm signal, and an output of described coding unit outputs to described pwm signal after through first resistance base stage of described triode.
9. wireless remote control emitter according to claim 8, it is characterized in that, also comprise the indicating member that is used to indicate described wireless remote control emitter operating state, described indicating member comprises LED and second resistance, the negative electrode of described LED is connected with another output of described coding unit, its anode is connected with an end of described second resistance, another termination power of described second resistance.
10. wireless remote control emitter according to claim 9 is characterized in that, described push-button unit comprises first button and second button; One end of described first button is connected with an input of described coding unit, and an end of described second button is connected with another input of described coding unit, and the other end of the other end of described first button and described second button is connected to power supply altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220672659 CN203057115U (en) | 2012-12-07 | 2012-12-07 | Wireless remote-control emitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220672659 CN203057115U (en) | 2012-12-07 | 2012-12-07 | Wireless remote-control emitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203057115U true CN203057115U (en) | 2013-07-10 |
Family
ID=48740030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220672659 Expired - Fee Related CN203057115U (en) | 2012-12-07 | 2012-12-07 | Wireless remote-control emitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203057115U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104052505A (en) * | 2013-11-07 | 2014-09-17 | 无锡泽太微电子有限公司 | Single-chip wireless transmitter, transmitting chip and signal transmitting method |
| CN105976481A (en) * | 2016-07-05 | 2016-09-28 | 四川逸停车智慧科技有限公司 | Parking lock intelligent wireless control system based on parking lot |
| CN107945486A (en) * | 2017-12-25 | 2018-04-20 | 安徽天瑞电子科技有限公司 | Remote controller for electric |
| CN112491482A (en) * | 2020-11-30 | 2021-03-12 | 劳戈 | Micro microwave induction antenna |
-
2012
- 2012-12-07 CN CN 201220672659 patent/CN203057115U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104052505A (en) * | 2013-11-07 | 2014-09-17 | 无锡泽太微电子有限公司 | Single-chip wireless transmitter, transmitting chip and signal transmitting method |
| CN105976481A (en) * | 2016-07-05 | 2016-09-28 | 四川逸停车智慧科技有限公司 | Parking lock intelligent wireless control system based on parking lot |
| CN107945486A (en) * | 2017-12-25 | 2018-04-20 | 安徽天瑞电子科技有限公司 | Remote controller for electric |
| CN112491482A (en) * | 2020-11-30 | 2021-03-12 | 劳戈 | Micro microwave induction antenna |
| CN112491482B (en) * | 2020-11-30 | 2024-06-04 | 劳戈 | Micro microwave induction antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203057115U (en) | Wireless remote-control emitter | |
| CN203368448U (en) | Remote control doorbell transmitter | |
| CN214337902U (en) | Bluetooth radio frequency circuit and terminal equipment | |
| CN201886763U (en) | Intelligent household appliance control device based on blu-ray player system | |
| CN201397979Y (en) | Remote-controlled power socket receiving apparatus | |
| CN103901434B (en) | A kind of wireless fish deteclor | |
| CN207218676U (en) | A kind of low-voltage high-power radio transmitter | |
| CN202750078U (en) | FM transmitter with low power and high sensitivity | |
| CN203012954U (en) | Remote controller with audio playing function | |
| CN204408615U (en) | Cable television system stereophonic signal emitter | |
| CN205179036U (en) | Ku frequency channel transceiver of compact | |
| CN204425628U (en) | FM transmitter | |
| CN203851135U (en) | Microwave signal emission circuit | |
| CN211604293U (en) | High-power transmitting circuit of remote controller | |
| CN204859605U (en) | Domestic wireless communication lamp control system | |
| CN204650193U (en) | Wireless signal match circuit | |
| CN212727015U (en) | Wireless transceiver module | |
| CN200976202Y (en) | Small power remote controlled receivers | |
| CN205127404U (en) | Remote controller for amusement equipment | |
| CN203057117U (en) | Wireless radio-frequency reception apparatus | |
| CN211403583U (en) | Wireless remote control circuit | |
| CN203193616U (en) | Low-power high-sensitivity frequency band transmitter | |
| CN202931294U (en) | High sensitivity FM transmitter | |
| CN204143622U (en) | A kind of Digiplex | |
| CN201622684U (en) | Remote controller with multi-address coding copy |
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: 20130710 Termination date: 20171207 |