CN205943070U - Remote controller - Google Patents
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- CN205943070U CN205943070U CN201620924164.8U CN201620924164U CN205943070U CN 205943070 U CN205943070 U CN 205943070U CN 201620924164 U CN201620924164 U CN 201620924164U CN 205943070 U CN205943070 U CN 205943070U
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- main control
- remote control
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Abstract
The utility model discloses a remote controller, remote controller includes power, touch panel, main control chip and infrared transmitter, touch panel is last to set up a plurality of touch button, equal and the main control chip electric connection of power, touch button, infrared transmitter all sets up a shunting resistance between each touch button and the main control chip. The utility model discloses avoid having the right touch incident of water droplet, rivers or the substandard bound pair of the drop of water because of touch button because of its surface, produce less induced -current and also start infrared transmitter and produce the spurious triggering, and then avoid influencing the domestic appliance that user normal use remote controller corresponds because of the remote controller spurious triggering.
Description
Technical field
The utility model is related to telecontrol engineering field, more particularly, to a kind of remote control.
Background technology
At present, existing household electrical appliance IR remote controller is typically interacted using mechanical key, needs to press compared with great strength
Pressure, has that button use feeling is not good and sensitivity is low.With the requirement to product use feeling and outward appearance for the consumer
More and more higher, mechanical key has been no longer able to meet demand, starts more convenient to use, more attractive in appearance touching on the market
Touch key type IR remote controller.But, in bathroom or kitchen environment, touch key-press IR remote controller is easily subject to water droplet, water
Stream interference and generate false triggering, impact user normally using the corresponding household electrical appliance of remote control (as water heater).
Utility model content
Main purpose of the present utility model is to provide a kind of remote control it is intended to solve remote control be easily subject to water droplet, water
Stream interference and easily generate false triggering, impact user normally using the technical problem of the corresponding household electrical appliance of remote control.
For achieving the above object, the utility model provides a kind of remote control, and described remote control includes power supply, touch surface
Plate, main control chip and infrared launcher, described contact panel arranges multiple touch key-press, described power supply, touch key-press, red
Outgoing injection device is all electrically connected with main control chip, is respectively provided with a shunt resistance between each touch key-press and main control chip.
Preferably, it is additionally provided with timer in described main control chip, when described touch key-press is in presetting that timer counts
When touch operation is detected in duration, when timer is through the default first scanning duration, main control chip collection once institute
There is the induction information of touch key-press.
Preferably, it is provided with the first crystal oscillator in described main control chip, described remote control also includes being electrically connected with main control chip
The second crystal oscillator, the clock frequency of the second crystal oscillator is less than the clock frequency of the first crystal oscillator；
When described touch key-press is not sensed by touch operation in the preset duration that timer counts, main control chip is closed
First crystal oscillator, open the second crystal oscillator, and/or main control chip timer often through default second scanning duration when, gather one
The induction information of secondary all touch key-press, the wherein second scanning duration is more than the first scanning duration.
Preferably, described remote control also includes the first electric capacity and the second electric capacity, the two ends of described second crystal oscillator and master control core
Piece is electrically connected with, and the two ends of the second crystal oscillator are electrically connected with one end of the first electric capacity and the second electric capacity respectively simultaneously, and described first
Electric capacity and the second electric capacity are all electrically connected with the power supply relative to the other end of the second crystal oscillator.
Preferably, described remote control also includes the first current-limiting resistance, and the first current-limiting resistance is arranged at described infrared emission dress
Put and main control chip between.
Preferably, described remote control also includes first switch, and the first end of first switch and main control chip be electrically connected with, the
Two ends ground connection, the 3rd end and infrared launcher are electrically connected with, described infrared launcher relative to first switch the other end and
First current-limiting resistance be electrically connected with, the first current-limiting resistance relative to infrared launcher the other end respectively with main control chip and power supply
It is electrically connected with.
Preferably, described remote control also includes the indicator lamp being electrically connected with control chip, when control chip is according to touch
When the induction information that button receives controls infrared launcher to send infrared signal, start indicator lamp lights.
Preferably, described remote control also includes the second current-limiting resistance, and the second current-limiting resistance is arranged at described indicator lamp and master
Between control chip.
Preferably, described remote control also includes second switch, and the first end of second switch and main control chip be electrically connected with, the
Two ends ground connection, the electric connection of the 3rd end and indicator lamp, described indicator lamp is relative to the other end of second switch and the second current-limiting resistance
It is electrically connected with, the second current-limiting resistance is electrically connected with main control chip and power supply respectively relative to the other end of indicator lamp.
Preferably, described main control chip includes touching driver element and infrared driver element, described touch driver element with
Each touch key-press is electrically connected with, and described infrared driver element is electrically connected with infrared launcher.
The utility model by setting up shunt resistance in each touch key-press and main control chip, when touch key-press sense outer
During boundary's touch event, touch key-press produces induced-current and transmits to main control chip, and induced-current need to first flow through shunt resistance and flow
To main control chip；When induced-current is less, that is, in touch key-press because its surface has the external world such as water droplet, current or globule accidentally
Touch event and when producing less induced-current, because shunt resistance shunts again, the induced electricity reaching main control chip flows to one
Step reduces, and less than triggering the induced-current threshold value corresponding to touch key-press function in main control chip, now control chip will not start
Infrared launcher sends the corresponding infrared signal of induced-current；When induced-current is larger, that is, in touch key-press because user's
Touch operation and when producing larger induced-current, larger induced-current, after shunt resistance shunting, flow to the residue of main control chip
Induced-current still be more than induced-current preset, so when trigger touch key-press corresponding function, main control chip start infrared emission
Device sends the corresponding infrared signal of induced-current；Thus avoiding because of touch key-press because its surface has water droplet, current or the globule
Deng extraneous accidentally touch event, produce less induced-current and also start infrared launcher and produce false triggering, so avoid because
Remote control false triggering and affect user normally using the corresponding household electrical appliance of remote control.
Brief description
Fig. 1 is the circuit connecting relation schematic diagram of the utility model remote control.
The realization of the utility model purpose, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further with regard to the technical solution of the utility model.Should manage
Solution, specific embodiment described herein only in order to explain the utility model, is not used to limit the utility model.
In description of the present utility model it is to be understood that term " on ", the orientation of instruction or the position such as D score " horizontal "
The relation of putting is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplifies description, and
It is not instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that to restriction of the present utility model.Additionally, term " first ", " second " " the 3rd ", " the 4th " " the 5th ", " the 6th "
It is only used for the purpose describing, and be not understood that instruction or the importance of hint.
The utility model provides a kind of remote control, and with reference to Fig. 1, remote control includes power supply BAT, contact panel, main control chip
U1 and infrared launcher D1, contact panel arranges multiple touch key-press, power supply BAT, touch key-press, infrared launcher D1
All it is electrically connected with main control chip U1, between each touch key-press and main control chip, be respectively provided with a shunt resistance.
Specifically, the contact panel of remote control may include tetra- touch key-press of K1, K2, K3 and K4, the first touch key-press K1
Connect with first shunt resistance R1 one end, the first shunt resistance R1 one end relative to the first touch key-press K1 is electric with main control chip U1
Property connect；Likewise, the second touch key-press K2, the second shunt resistance R2 and main control chip U1 are connected in series, the 3rd touch key-press
K3, the 3rd shunt resistance R3 and main control chip U1 are connected in series, the 4th membrane keyboard K4, the 4th shunt resistance R4 and main control chip U1
It is connected in series；In parallel between first touch key-press K1, the second touch key-press K2, the 3rd touch key-press K3 and the 4th touch key-press K4
Connect.Additionally, power supply BAT can be button cell, it is easy to user and changes.
When touch key-press senses extraneous touch event, touch key-press produces induced-current and transmits to main control chip U1,
Induced-current need to first flow through shunt resistance and flow to main control chip U1 again.When induced-current is less, that is, in touch key-press Yin Qibiao
Face produces less induced-current with the extraneous accidentally touch event such as water droplet, current or globule, and (i.e. touch key-press is not detected by
The current perturbation producing during user's touch operation) when, because shunt resistance shunts again, reach the induced-current of main control chip U1
Reduce further, less than the induced-current threshold value of corresponding touch key-press function in triggering main control chip, now control chip will not
Start infrared launcher D1 and send the corresponding infrared signal of induced-current；When induced-current is larger, that is, touch key-press because
The touch operation of user and when producing larger induced-current, larger induced-current, after shunt resistance shunting, flow to main control chip
It is preset that the remanent induction electric current of U1 is still more than induced-current, so when trigger touch key-press corresponding function, main control chip U1 opens
Dynamic infrared launcher D1 sends the corresponding infrared signal of induced-current；Thus avoiding because of touch key-press because its surface has water
Drip, the extraneous accidentally touch event such as current or globule, produce less induced-current and also start infrared launcher and produce false touch
Send out, and then avoid affecting user normally using the corresponding household electrical appliance of remote control, particularly, this practicality because of remote control false triggering
New remote control can supporting pot-type boiler use, and in bathroom or kitchen environment, touch key-press has compared with common-path interference.
Alternatively, main control chip includes touching driver element and infrared driver element, touches driver element and touches with each
Button is electrically connected with, and infrared driver element is electrically connected with infrared launcher.Touch driver element and instead of touch driving core
The function of piece, infrared driver element instead of the function of infrared driving chip, by existing remote control mid-infrared driving chip and touch
The function of touching two chips of driving chip is integrated in a main control chip, improves the integrated level of remote control hardware circuit, subtracts
The little volume of remote control.
Further, it is additionally provided with timer in main control chip, this timer is used for progress during triggering various to remote control
Row timing, when touch key-press detects touch operation in the preset duration that timer counts, whenever timer is through default
The first scanning duration when, the induction information of main control chip collection once all touch key-press.
After the upper electricity of battery (i.e. power supply) installed by remote control, the main control chip acquiescence of remote control enters normal mode, when tactile
When touching button and touch operation is detected in the preset duration (if preset duration is 10s) that timer counts, the master control of remote control
Chip enters normal mode, main control chip often through first scan duration (i.e. whenever timer scans duration through first, such as the
A length of 10ms during one scan), the main control chip collection once induction information of all touch key-press the induction zone to touch key-press
Between be corrected, wherein induction information includes key-press status.When any one touch key-press generates induction information, main control chip
Induction information being differentiated, judging whether this induction information meets the condition that user presses touch key-press, if meeting, master control
Chip starts infrared launcher and launches corresponding infrared signal.
When touch key-press is not sensed by touch operation in the preset duration that timer counts, the main control chip of remote control
Enter low-power consumption mode, main control chip often through second scan duration (i.e. whenever timer scans duration through second, such as second
A length of 600ms during scanning), main control chip gathers once the induction information of all touch key-press, and the wherein second scanning duration is more than
First scanning duration, thus when remote control does not receive touch operation in preset duration, main control chip enters low-power consumption module,
With larger scanning duration interval, touch key-press state is detected and the sensing interval of touch key-press is corrected, it is to avoid
Still high-frequency detection is carried out to touch key-press state when remote control does not receive touch operation for a long time, reduce remote control
Energy consumption, extends the service life of power supply of remote controller.Additionally, after remote control main control chip enters low-power consumption mode, user presses
Any touch key-press can wake up remote manipulator system immediately down, launches infrared signal immediately.
Further, with reference to Fig. 1, in main control chip U1, it is provided with the first crystal oscillator (not shown) of electric connection, remote control
Device also includes the second crystal oscillator Y1 being electrically connected with main control chip U1, the clock frequency of the second crystal oscillator Y1 be less than the first crystal oscillator when
Clock frequency；When touch key-press is not sensed by touch operation in the preset duration that timer counts, main control chip U1 closes the
One crystal oscillator, open the second crystal oscillator, and/or main control chip U1 timer often through default second scanning duration when, gather one
The induction information of secondary all touch key-press, the wherein second scanning duration is more than the first scanning duration.
The clock frequency of the second crystal oscillator Y1 is less than the clock frequency of the first crystal oscillator, thus the energy consumption of the second crystal oscillator Y1 is less than
First crystal oscillator, when touch key-press senses touch operation in the preset duration that timer counts, main control chip U1 is in often
Scale formula, needs the first crystal oscillator work compared with high clock frequency, therefore closes the second crystal oscillator Y1, open the first crystal oscillator；When touch is pressed
When key is not sensed by touch operation in the preset duration that timer counts, main control chip U1 enters low-power consumption mode, to crystal oscillator
Clock frequency less demanding, thus closing the first crystal oscillator that clock frequency is higher, energy consumption is higher, open clock frequency relatively low,
The second relatively low crystal oscillator of power consumption, thus on the premise of ensureing that crystal oscillator clock frequency supports that remote control runs, reduce remote control
Power consumption.Additionally, for the sensitivity and the anti-interference that improve touch key-press, main control chip U1 can call the second crystal oscillator Y1 special
Door is used for scanning and the correction timing of touch key-press.
Alternatively, with reference to Fig. 1, remote control also includes the first electric capacity C1 and the second electric capacity C2, the two ends of the second crystal oscillator Y1 with
Main control chip U1 is electrically connected with, and the two ends of the second crystal oscillator Y1 are electrical with one end of the first electric capacity C1 and the second electric capacity C2 respectively simultaneously
Connect, the first electric capacity C1 and the second electric capacity C2 other end relative to the second crystal oscillator Y1 is all electrically connected with power supply BAT.
At the two ends of the second crystal oscillator Y1, the first electric capacity C1 and the second electric capacity C2 is set, thus the first electric capacity C1 and the second electric capacity
C2 makes signal appropriateness decay, assists the starting of oscillation of the second crystal oscillator Y1 and the vibration stablizing the second crystal oscillator Y1, and according to the second crystal oscillator
Clock frequency choose the first electric capacity C1 and the second electric capacity C2, wherein clock frequency is higher, the first electric capacity C1 and the second electric capacity C2
Capacitance lower.
Further, with reference to Fig. 1, remote control also includes the first current-limiting resistance R7, and the first current-limiting resistance R7 is arranged at infrared
Between emitter D1 and main control chip U1, thus the first current-limiting resistance R7 enters to the electric current of infrared launcher D1 place branch road
Row current limliting, prevents because the electric current that flows through infrared launcher D1 is excessive and damages infrared launcher D1, and then the first current limliting electricity
Resistance R7 plays a good protection to infrared launcher D1.
Alternatively, with reference to Fig. 1, remote control also includes first switch Q1, the first end of first switch Q1 and main control chip U1
It is electrically connected with, the second end is grounded, the 3rd end and infrared launcher D1 are electrically connected with, infrared launcher D1 is relative to first switch
The other end of Q1 and the first current-limiting resistance R7 are electrically connected with, and the other end relative to infrared launcher D1 for the first current-limiting resistance R7 divides
It is not electrically connected with main control chip U1 and power supply BAT.First switch Q1 can be 8050 triodes, three contacts of 8050 triodes
The first end of corresponding first switch Q1 in end, the second end and the 3rd end；Infrared launcher D1 need to be started in main control chip U1 to send
During infrared signal, first switch Q1 is controlled to drive infrared launcher D1 (as infrared transmitting tube) to correspond to emission keypress function
Telecontrol code.Additionally, the 3rd current-limiting resistance R5 can be set up between first switch Q1 first end and main control chip U1, the 3rd limit
Leakage resistance R5 plays good current-limiting protection effect to first switch Q1.
Further, with reference to Fig. 1, remote control also includes the indicator lamp D2 being electrically connected with control chip U1, when control core
When piece U1 controls infrared launcher D1 to send infrared signal according to the induction information that touch key-press receives, start indicator lamp D2 is sent out
Light.That is, in infrared launcher D1 transmitting infrared signal, indicator lamp D2 lights to point out user remote controller to send out
Penetrate telecontrol code, the luminous of indicator lamp D2 can be lighted with continuous illumination certain time (as 100ms) or flicker or interruption.
Alternatively, remote control also includes the second current-limiting resistance R8, and the second current-limiting resistance R8 is arranged at indicator lamp D2 and master control
Between chip U1, thus the second current-limiting resistance R8 carries out current limliting to the electric current of indicator lamp D2 place branch road, prevent because flowing through instruction
The electric current of lamp D2 is excessive and damages indicator lamp D2, and then the second current-limiting resistance R8 plays a good protection to indicator lamp D2.
Alternatively, remote control also includes second switch Q2, the first end of second switch Q2 and main control chip U1 be electrically connected with,
Second end ground connection, the 3rd end and indicator lamp D2 electric connection, the other end relative to second switch Q2 for the indicator lamp D2 and the second current limliting
Resistance R8 is electrically connected with, and the other end relative to indicator lamp D2 for the second current-limiting resistance R8 is electric with main control chip U1 and power supply BAT respectively
Property connect.
Second switch Q2 can be 8050 triodes, the first of the corresponding second switch Q2 of three tip sides of 8050 triodes
End, the second end and the 3rd end；When main control chip U1 need to start infrared launcher D1 and send infrared signal, control second switch
Q2 drives indicator lamp D2 to light.Additionally, the 4th current-limiting resistance R6 can be set up between second switch Q2 first end and main control chip U1,
4th current-limiting resistance R6 plays good current-limiting protection effect to second switch Q2.
Additionally, be provided with LCD display inside main control chip U1 driving, remote control peripheral hardware LCD interface, such that it is able to for remote control
It is equipped with LCD display as display system.
It should be noted that the technical scheme of each embodiment of the present utility model can be combined with each other, but must be
Based on being capable of by those skilled in the art, when the combination of technical scheme occur conflicting or should when cannot realize
People thinks that the combination of this technical scheme does not exist, also not within the protection domain that the utility model requires.
The foregoing is only preferred embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
The equivalent structure transformation that every utilization the utility model specification and accompanying drawing content are made, or directly or indirectly it is used in other phases
The technical field closed, is all included in the same manner in scope of patent protection of the present utility model.
Claims (10)
1. a kind of remote control is it is characterised in that described remote control includes power supply, contact panel, main control chip and infrared emission dress
Put, described contact panel arranges multiple touch key-press, described power supply, touch key-press, infrared launcher are all and main control chip
It is electrically connected with, between each touch key-press and main control chip, be respectively provided with a shunt resistance.
2. remote control as claimed in claim 1 is it is characterised in that be additionally provided with timer in described main control chip, when described
When touch key-press detects touch operation in the preset duration that timer counts, whenever timer is through the default first scanning
During duration, main control chip gathers once the induction information of all touch key-press.
3. remote control as claimed in claim 2 is it is characterised in that be provided with the first crystal oscillator, described remote control in described main control chip
Device also includes the second crystal oscillator being electrically connected with main control chip, and the clock frequency of the second crystal oscillator is less than the clock frequency of the first crystal oscillator
Rate；
When described touch key-press is not sensed by touch operation in the preset duration that timer counts, main control chip closes first
Crystal oscillator, open the second crystal oscillator, and/or main control chip is when timer is often through the default second scanning duration, collection once institute
There is the induction information of touch key-press, the wherein second scanning duration is more than the first scanning duration.
4. remote control as claimed in claim 3 is it is characterised in that described remote control also includes the first electric capacity and the second electric capacity,
The two ends of described second crystal oscillator are electrically connected with main control chip, and the two ends of the second crystal oscillator are electric with the first electric capacity and second respectively simultaneously
The one end holding is electrically connected with, and described first electric capacity and the second electric capacity are all electrically connected with the power supply relative to the other end of the second crystal oscillator.
5. remote control as claimed in claim 1 is it is characterised in that described remote control also includes the first current-limiting resistance, the first limit
Leakage resistance is arranged between described infrared launcher and main control chip.
6. remote control as claimed in claim 5 is it is characterised in that described remote control also includes first switch, first switch
First end and main control chip are electrically connected with, the second end is grounded, the 3rd end and infrared launcher are electrically connected with, described infrared emission
Device is electrically connected with relative to the other end of first switch and the first current-limiting resistance, and the first current-limiting resistance is relative to infrared launcher
The other end is electrically connected with main control chip and power supply respectively.
7. remote control as claimed in claim 1 is it is characterised in that described remote control also includes and control chip electric connection
Indicator lamp, when control chip controls infrared launcher to send infrared signal according to the induction information that touch key-press receives, opens
Dynamic indicator lamp lights.
8. remote control as claimed in claim 7 is it is characterised in that described remote control also includes the second current-limiting resistance, the second limit
Leakage resistance is arranged between described indicator lamp and main control chip.
9. remote control as claimed in claim 8 is it is characterised in that described remote control also includes second switch, second switch
First end and main control chip are electrically connected with, the second end is grounded, the 3rd end and indicator lamp are electrically connected with, and described indicator lamp is relative to second
The other end and the second current-limiting resistance electric connection of switch, the second current-limiting resistance relative to indicator lamp the other end respectively with master control core
Piece and power supply are electrically connected with.
10. the remote control as described in claim 1 to 9 any one is it is characterised in that described main control chip includes touching driving
Unit and infrared driver element, described touch driver element and each touch key-press are electrically connected with, described infrared driver element with
Infrared launcher is electrically connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924164.8U CN205943070U (en) | 2016-08-23 | 2016-08-23 | Remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924164.8U CN205943070U (en) | 2016-08-23 | 2016-08-23 | Remote controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205943070U true CN205943070U (en) | 2017-02-08 |
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ID=57951057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620924164.8U Active CN205943070U (en) | 2016-08-23 | 2016-08-23 | Remote controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205943070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091701A (en) * | 2019-12-19 | 2020-05-01 | 浙江金卡智能水表有限公司 | Key triggering method and system based on infrared communication |
-
2016
- 2016-08-23 CN CN201620924164.8U patent/CN205943070U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111091701A (en) * | 2019-12-19 | 2020-05-01 | 浙江金卡智能水表有限公司 | Key triggering method and system based on infrared communication |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230726 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |