CN207458291U - A kind of remote controler - Google Patents

Abstract

The utility model discloses a kind of remote controlers, belong to remote control equipment field, solve the problems, such as that existing remote controler can not make alarm when by compared with noticeable effort and remote controler is caused to be subject to crushing, its key points of the technical solution are that：Including remote controler protecgulum and rear cover, overpressure alarm device is provided on the inside of the remote control back cover, the overpressure alarm device includes the pressure detecting module for detecting remote controler external pressure value and output pressure detection signal, the pressure detecting module is coupled to receive pressure detecting signal and export the comparison module of comparison signal, comparison module is coupled to receive comparison signal and export the control module of control signal, control module is coupled to receive control signal and in response to control signal to realize the alarm module of alarm, the utility model has the function of that when by larger pressure effect alarm can be made in time.

Description

A kind of remote controler

Technical field

The utility model is related to a kind of remote control equipment, more particularly to a kind of remote controler.

Background technology

We can often use remote controler, such as the equipment such as air-conditioning, video disc player, sound equipment in daily life and work.

In people's life at present, often it is present with the phenomenon that remote controler is thrown out without care conveniently, for example is often placed on chair, sofa It is first-class, it will be accidentally sitting in when people sits down on remote controler, the shell of remote controler is usually that plastics are made at present, Although cost is relatively cheap, anti-pressure ability is weaker, crushes easily, therefore has improved space.

Utility model content

The purpose of this utility model is to provide a kind of remote controler, has the function of alarm when being subject to larger external force.

The above-mentioned technical purpose of the utility model technical scheme is that：

Including remote controler protecgulum and rear cover, overpressure alarm device is provided on the inside of the remote control back cover for a kind of remote controler, The overpressure alarm device includes the pressure detecting mould for detecting remote controler external pressure value and output pressure detection signal Block is coupled to the pressure detecting module to receive pressure detecting signal and export the comparison module of comparison signal, be coupled to ratio Compared with module to receive comparison signal and export the control module of control signal, be coupled to control module to receive control signal and sound The alarm module of alarm should be realized in control signal.

Using the above program, when remote controler is under pressure, pressure value is converted to electric signal and defeated by pressure detecting module Go out to comparison module；If the signal value is more than a reference value of comparison module, control module starts and starts alarm module, from And it alarms；Opposite, if the signal value is less than a reference value of comparison module, alarm module does not start；

The setting of this overpressure alarm device can play the role of prompting to remote controler, when remote controler is subject to bigger pressure During power, alarm module can send alarm, in order to avoid be damaged under larger pressure effect.

Preferably, the overpressure alarm device further include be coupled to the pressure detecting module with by pressure detecting signal into Row filtering process is simultaneously exported to the filter module of the comparison module.

Using the above program, the electric signal that filter module can generate pressure detecting module is filtered, except denoising is done Disturb, so as to get signal more stablize.

Preferably, the overpressure alarm device, which further includes, is coupled to the pressure detecting module so that pressure detecting signal to be put Greatly and export to the amplification module of the comparison module.

Using the above program, the setting of amplification module is amplified for faint signal, improves sensitivity.

Preferably, further include to adjust the adjustment module of reference signal to the comparison module.

Using the above program, by adding with adjustment module, designer can adjust according to different remote enclosure material Different a reference values is saved, makes the overpressure alarm device applicability wider.

Preferably, the overvoltage protective module for being useful for protection control module is further included.

Using the above program, when control module starts, entire control module may generate larger voltage, easily right Control module is damaged, the energy for being provided with to absorb a part of overvoltage protective module, so as to be carried out to control module Protection.

Preferably, the alarm module include be respectively coupled to the control module with receive control signal and in response to control Signal processed is to realize the sounding alarm circuit of alarm and luminous alarm circuit.

Using the above program, when alarm module starts, sounding alarm circuit and luminous alarm circuit difference sounding alarm And luminous alarm, luminous alarm and sounding alarm is set to be carried out at the same time, is so easier to warn.

Preferably, the luminous alarm circuit includes luminescence unit and stroboscopic unit, and the stroboscopic unit can control institute Luminescence unit is stated to be turned on or off.

Using the above program, stroboscopic unit can control luminescence unit, when the realization of stroboscopic unit switches repeatedly, luminescence unit Realize the function of stroboscopic, luminescence unit flickers repeatedly more to attract attention, notice that can be much sooner to people.

Preferably, the remote control back cover offers several heat emission holes.

Using the above program, the setting of heat emission hole helps, to the pressure detecting module heat dissipating in remote controler, to prevent overvoltage Warning device causes the device to damage due to overheat.

In conclusion the utility model has the advantages that：

1. by setting an overpressure alarm device in remote controler, when the pressure that remote controler is subject to is excessive, can carry in time Wake up people, so as to prevent remote controler by excessive pressure damage.

2. by opening up heat emission hole in remote control back cover, it can prevent overpressure alarm device from the device being caused to damage due to overheat It is bad.

Description of the drawings

Fig. 1 is the overall structure diagram of remote controler；

Fig. 2 is the circuit diagram of pressure detecting module, filter module and amplification module in overpressure alarm device；

Fig. 3 is comparison module, the circuit diagram of control module in overpressure alarm device；

Fig. 4 is the circuit diagram of alarm module in overpressure alarm device.

In figure：1st, protecgulum；2nd, rear cover；21st, heat emission hole；3rd, overpressure alarm device；31st, pressure detecting module；32nd, mould is filtered Block；33rd, amplification module；34th, comparison module；341st, adjusting template；35th, control module；；351st, overvoltage protective module；36th, alarm Module；361st, sounding alarm circuit；362nd, luminous alarm circuit；3621st, stroboscopic unit；3622nd, luminescence unit.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of remote controler disclosed in the present embodiment, when remote controler is under pressure it is excessive when have and alarm the work(informed Energy.

As shown in Figure 1, a kind of remote controler, including remote controler protecgulum 1 and rear cover 2,2 inside of remote control back cover is provided with overvoltage Warning device 3, overpressure alarm device 3 are fixedly connected with rear cover 2 by screw, several are offered on rear cover 2 for radiating Heat emission hole 21.

As shown in Fig. 2, overpressure alarm device 3 includes pressure detecting module 31, filter module 32, amplification module 33.

Pressure detecting module 31 includes resistance strain gage R1, resistance strain gage R2, resistance strain gage R3, resistance strain gage One end of R4, resistance strain gage R1 and resistance strain gage R2 are connected to power supply VCC, and the other end is respectively connected to resistance strain gage The other end ground connection GND, resistance strain gage R1 of one end of R3 and resistance strain gage R4, resistance strain gage R3 and resistance strain gage R4 GND is grounded with resistance strain gage R3 junctions, is output voltage u1 between resistance strain gage R2 and resistance strain gage R4.

Filter module 32 includes a capacitance C1 and resistance R5, and the both ends of capacitance C1 connect output voltage u1 and resistance respectively One end of R5, the other end ground connection GND of resistance R5, is output voltage u2 between capacitance C1 and resistance R5.

Amplification module 33 includes an integrated transporting discharging N1, the same phase of integrated transporting discharging N1 model BJTLM741, integrated transporting discharging N1 One resistance R6 of input terminal series connection is connected to output voltage u2, reverse input end series connection one resistance R7 ground connection GND, integrated transporting discharging N1's One resistance R8 of output terminal series connection is connected to reverse input end, and output terminal is that output voltage is u3.

As shown in figure 3, overpressure alarm device 3 further includes comparison module 34, control module 35.

Comparison module 34 includes a comparator N2 and the adjustment module 341 for providing a reference value to comparator N2.

Adjustment module 35 includes a slide rheostat R11, and two fixing ends of slide rheostat R11 are respectively connected to power supply VCC and ground terminal GND.

Comparator N2 model LM324, reverse input end are connected to the sliding end of slide rheostat R11, homophase input End is connected to voltage u3, and the output terminal of comparator N2 is output voltage u4；By changing the resistance value of slide rheostat R11, so as to Make the voltage value of the reverse input end of comparator N2（That is a reference value）It changes.

Control module 35 includes a triode Q1, the model NPN8050 of triode Q1, and base terminal is in series with electricity respectively Resistance R12, the other end of resistance R13, resistance R12 are connected to output voltage u4, the other end ground connection GND, triode Q1 of resistance R13 Emitter and collector between be in series with overvoltage protective module 351, overvoltage protective module 351 is preferably varistor V, three poles The emitter terminal ground connection GND of pipe Q1, collector terminal is output voltage u5.

As shown in figure 4, overpressure alarm device 3 further includes alarm module 36.

Alarm module 36 includes sounding alarm circuit 361 and luminous alarm circuit 362.

Luminous alarm circuit 361 includes a loudspeaker SP, diode D1, the both ends of loudspeaker SP be respectively connected to power supply VCC and Voltage u5, diode D1 are in parallel with loudspeaker SP, and cathode terminal is connected to power supply VCC.

Luminous alarm circuit 362 includes stroboscopic unit 3621 and luminescence unit 3622.

Luminescence unit 3622 includes light emitting diode D2, and stroboscopic unit 3621 includes time relay KT1, the time relay KT2, normal open switch KT1-1, normally closed switch KT1-2, normally closed switch KT2-1, normal open switch KT1-1, normally closed switch KT1-2 are controlled It is controlled by time relay KT2 in time relay KT1, normally closed switch KT2-1.

Normally closed switch KT2-1 one end is connected to power supply VCC, and other end series connection time relay KT1 is connected to ground terminal GND, Voltage u5 is connected to after one end series connection time relay KT2 of normal open switch KT1-1, the other end is connected to normally closed switch KT2-1 With the junction of time relay KT1, voltage u5 is connected to after one end series connection light emitting diode D2 of normally closed switch KT1-2, separately One end is connected to the junction of normally closed switch KT2-1 and time relay KT1, and the cathode terminal of light emitting diode D2 is connected to voltage U5, time relay KT1 and the model of time relay KT2 here are H3Y-2.

The course of work：

1. when remote controler is subject to external force, 4 resistance strain gages generate deformation, and then resistance variations occur, so as to generate Pressure detecting signal u1；

2. the filtered processing of pressure detecting signal u1 makes to obtain the stable signal of comparison, the signal is using integrated transporting discharging Signal is amplified processing and output voltage u3 by N1；

3. by the output voltage u3 after enhanced processing be transferred to comparator N2 in-phase input ends and with the benchmark of comparator N3 Value compares, output voltage u4；

4. when voltage u4 is more than a reference value, illustrate that the external force that remote controler is subject to is larger, comparator N2 output high level, into And make triode Q1 base terminals for high level, and triode Q1 is turned on, warning circuit is made to work, loudspeaker SP sounding, while the time Relay KT1 starts timing, when time relay KT1 set time to when corresponding trigger switch KT1-2 can be made to break It opens, light emitting diode D2 will stop shining at this time, while meeting trigger switch KT1-1 is closed, and time relay KT2 will at this time Start timing, when the time that time relay KT2 is set to when can disconnect corresponding trigger relay switch KT2-1, It is equivalent to and restarts at this time, to sum up, realize the stroboscopic to light emitting diode D2；

It is opposite, if voltage u4 is less than a reference value, comparator N3 output low levels, and then make the triode Q1 base terminals be Low level, triode Q1 are not turned on, do not alarm.

This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but As long as it is all protected in the right of the utility model be subject to Patent Law.

Claims (8)

1. a kind of remote controler, including remote controler protecgulum（1）With rear cover（2）, it is characterised in that：The remote control back cover（2）Inside It is provided with overpressure alarm device（3）, the overpressure alarm device（3）Include to detect remote controler external pressure value and export The pressure detecting module of pressure detecting signal（31）, be coupled to the pressure detecting module（31）To receive pressure detecting signal simultaneously Export the comparison module of comparison signal（34）, be coupled to comparison module（34）To receive comparison signal and export the control of control signal Molding block（35）, be coupled to control module（35）To receive control signal and in response to control signal to realize the alarm mould of alarm Block（36）.

2. a kind of remote controler according to claim 1, it is characterised in that：The overpressure alarm device（3）Further include coupling In the pressure detecting module（31）Pressure detecting signal to be filtered and is exported to the comparison module（34）'s Filter module（32）.

3. a kind of remote controler according to claim 1, it is characterised in that：The overpressure alarm device（3）Further include coupling In the pressure detecting module（31）Pressure detecting signal to be amplified and is exported to the comparison module（34）Amplification module （33）.

4. a kind of remote controler according to claim 1, it is characterised in that：It further includes for the comparison module（34）It adjusts Save the adjustment module of reference signal（341）.

5. a kind of remote controler according to claim 1, it is characterised in that：It further includes and is useful for protection control module（35）'s Overvoltage protective module（351）.

6. a kind of remote controler according to claim 1, it is characterised in that：The alarm module（36）Including being respectively coupled to The control module（35）To receive control signal and in response to control signal to realize the sounding alarm circuit of alarm（361）With Luminous alarm circuit（362）.

7. a kind of remote controler according to claim 6, it is characterised in that：The luminous alarm circuit（362）Including shining Unit（3622）And stroboscopic unit（3621）, the stroboscopic unit（3621）It can control the luminescence unit（3622）Open or Person closes.

8. a kind of remote controler according to claim 1, it is characterised in that：The remote control back cover（2）Offer several Heat emission hole（21）.