CN103017947A - Pressure alarm system and mobile terminal - Google Patents
Pressure alarm system and mobile terminal Download PDFInfo
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- CN103017947A CN103017947A CN2012105455108A CN201210545510A CN103017947A CN 103017947 A CN103017947 A CN 103017947A CN 2012105455108 A CN2012105455108 A CN 2012105455108A CN 201210545510 A CN201210545510 A CN 201210545510A CN 103017947 A CN103017947 A CN 103017947A
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Abstract
The invention discloses a pressure alarm system and a mobile terminal. The pressure alarm system comprises a pressure sensor, a data processing module and an alarm execution module, an input end of the data processing module is connected with an output end circuit of the pressure sensor, and an output end of the data processing module is connected with an input end circuit of the alarm execution module. The mobile terminal is provided with a pressure transmission component, the pressure transmission component is arranged on a front shell or a back shell of the mobile terminal, and the position of the pressure transmission component is matched with that of the pressure sensor. The pressure alarm system and the mobile terminal can give an alarm to remind a user of the mobile terminal of eliminating pressure according to the pressure and the threat level of the pressure on the mobile terminal when the mobile terminal suffers from the pressure.
Description
Technical field
The present invention relates to the telecommunications field, relate in particular to the pressure alarm technology of portable terminal.
Background technology
Development along with the IT technology, portable terminal miscellaneous, such as mobile phone, PDA (Personal Digital Assistant, PSP (Play station portable), MP3/MP4, more and more universal, they not only give the unprecedented ultimate attainment enjoyment of people on the living conditions, also in work, provide great convenience at present to people, portable terminal is all to gently, thin, multifunction, the judicial convenience future development, formal because present portable equipment all is to gently, the thin future development that waits, so the intensity of structure can be subject to the impact in space, and causes the insufficient strength of portable terminal own.In addition, when present portable terminal often spatially asks most ultimate attainment, corresponding rising is arranged also above the cost.For the display screen (LCD) of portable terminal, the Primary Components such as touch-screen (TP) account for more than 35% of cost of whole portable equipment.If the consumer is in use, above Primary Component is damaged, to whole portable equipment beyond doubt one damage thoroughly, the consumer is when changing this type device, price also is costliness very.
If a kind of equipment is arranged; can be when portable terminal be under pressure; according to the size of pressure and to the threaten degree of portable terminal; give the alarm; remind the user of this portable terminal to eliminate pressure, just can play the protection portable terminal, improve the serviceable life of portable terminal; save the cost of use, maintenance and replacing terminal device for the user, and avoid causing the waste of resource.
Summary of the invention
The purpose of this invention is to provide a kind of pressure alarm system and be provided with the portable terminal of this pressure alarm system.
Pressure alarm system provided by the present invention comprises pressure transducer, data processing module and warning execution module; The input end of described data processing module is connected with the output terminal circuitry phase of described pressure transducer; The output terminal of described data processing module is connected with the input end circuitry phase of described warning execution module.
Portable terminal provided by the present invention also is provided with pressure transmission part; Described pressure transmission part is arranged on the front housing or back housing of portable terminal, and matches with the position of described pressure transducer.
Pressure alarm system provided by the present invention and portable terminal; can be when portable terminal be under pressure; according to the size of pressure and to the threaten degree of portable terminal; give the alarm; remind the user of this portable terminal to eliminate pressure, just can play the protection portable terminal, improve the serviceable life of portable terminal; save the cost of use, maintenance and replacing terminal device for the user, and avoid causing the waste of resource.
Description of drawings
Fig. 1 is the embodiment of the invention one described pressure alarm system electrical block diagram;
Fig. 2 is the circuit diagram of the embodiment of the invention one described pressure transducer;
Fig. 3 is portable terminal when not being subject to ambient pressure, the embodiment of the invention two described pressure transmission part schematic diagram;
Fig. 4 is portable terminal when being subject to ambient pressure, the embodiment of the invention two described pressure transmission part schematic diagram.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment one
As shown in Figure 1, the present embodiment is protected a kind of pressure alarm system, comprises pressure transducer 101, data processing module 200 and warning execution module 300; The input end of described data processing module 200 is connected with the output terminal circuitry phase of described pressure transducer 101; The output terminal of described data processing module 200 is connected with the input end circuitry phase of described warning execution module 300.It will be appreciated by those skilled in the art that, pressure transducer 101 can be used for detecting the suffered pressure of current system, and pressure information is sent to described data processing module 200 process, described warning execution module 300 is carried out actuation of an alarm according to the result of described data processing module 200.It will be understood by those skilled in the art that described pressure transducer 101 is for being converted to the physical values such as weight, tire pressure, rank, external force, flow in the device of the differential wave in the mV/V scope.The electric signal that it will be understood by those skilled in the art that described pressure transducer 101 outputs is the non-linear electric signal of simulation.
The described pressure transducer 101 of the present embodiment is piezoresistive pressure sensor 101, and its circuit structure comprises the strain circuit of front end and the amplifying circuit of rear end as shown in Figure 2; Described strain circuit comprises the Wheatstone bridge 10 (Wheatstone bridge) that contains at least a voltage dependent resistor, as shown in Figure 2, the first port 11 of described Wheatstone bridge 10 is power port, is used for being connected with the Power Management Unit of portable terminal; The 3rd port one 3 of described Wheatstone bridge 10 is grounding ports, is used for being connected with the ground of portable terminal; The second port one 2 of described Wheatstone bridge 10 and the 4th port one 4 are output port, are used for being connected with described strain circuit; Connect a capacitor C between described the 4th port one 4 and the 3rd port one 3.It will be understood by those skilled in the art that described voltage dependent resistor is provided with foil gauge, when described foil gauge is under pressure, can change the resistance of its resistance, thereby the output voltage of Wheatstone bridge 10 is changed, thereby reach the purpose of detected pressures.Described Wheatstone bridge is provided with four bridge resistors.
As shown in Figure 2, the described pressure transducer 101 of the present embodiment, its described Wheatstone bridge comprises 4 bridge resistors, wherein two bridge resistors are voltage dependent resistor.Described capacitor C is 0.01 microfarad.
It will be understood by those skilled in the art that the electric signal of described Wheatstone bridge 10 outputs, its voltage is the millivolt level, can not satisfy the demand of detection, therefore, need to amplifying circuit be set in the rear end output signal of front end Wheatstone bridge 10 is amplified processing, to satisfy the demand that detects.Described amplifying circuit comprises: an amplifier 20 and four resistance, the electrode input end of described amplifier 20 are connected on the 4th port one 4 of described Wheatstone bridge 10 by the first resistance R 1 and a variohm R5; The negative input of described amplifier 20 is connected on the second port one 2 of Wheatstone bridge 10 by the second resistance R 2; The electrode input end of described amplifier 20 is also by the 3rd resistance R 3 ground connection; Be connected in series the 4th resistance R 4 between the output terminal of described amplifying circuit and the negative input.Described amplifier 20 also is provided with power port and grounding ports, is respectively applied to connect Power Management Unit and the ground connection of portable terminal.Described the first resistance is that 620 kilo-ohms, described the second resistance are that the resistance of 470 kilo-ohms, described the 3rd resistance and the 4th resistance is 330 kilo-ohms; The maximal value of described variohm R5 is 200 kilo-ohms.It is the universal amplifier of LM2904 that described amplifier 20 can adopt model.
Described data processing module 200 comprises AD conversion unit 201 (ADC, Analog to Digital Converter) and micro-control unit 202 (MCU, Micro Control Unit); The input end of described AD conversion unit 201 is connected with the output terminal circuitry phase of described pressure transducer 101 and output terminal is connected with the input end circuitry phase of described micro-control unit 202.It will be appreciated by those skilled in the art that, the electric signal of the output terminal output of described pressure transducer 101 is the nonlinear model analog signal, need to carry out to carry out calculation process by micro-control unit 202 after modulus is processed to this electric signal, thereby control described warning execution module 300 according to result.
The threshold value M0 that described micro-control unit 202 has the output valve M of its AD conversion unit that receives 201 and its inner setting compares the function that transmits control signal when described output valve M is greater than or equal to threshold value M0.Described MO such as can come according to the withstand voltage properties of the model of pressure transducer 101, user's protection demand, mobile terminal case and internal part thereof to set at the multiple parameters index.
Described warning execution module 300 can be display device, as showing module LCM (LCD Module), LED, (Light Emitting Diode) and control circuit thereof; Or audio frequency apparatus, such as hummer (Buzzer), loudspeaker (SPEAKER) and power amplifier thereof (PA, Power Amplifier); Can also be vibrations equipment, such as vibrating motor.Because warning execution module 300 adopts the usual technological means of using in the prior art, no longer gives unnecessary details here.
Embodiment two
The present embodiment is protected a kind of portable terminal, can be mobile phone, PDA (Personal Digital Assistant), PSP (Play station portable), MP3 or MP4.It is characterized in that: this portable terminal is provided with pressure alarm system, and described pressure alarm system is as implementing as described in one.
The pressure transducer 101 of described pressure alarm system, described pressure transducer 101 can be by welding, bonding, clamping or SMT on mainboard 400.
Described portable terminal also is provided with pressure transmission part 102; Described pressure transmission part 102 is arranged on the front housing 500 or back housing 500 of portable terminal, and matches with the position of described pressure transducer 101.As shown in Figure 3, after front, back housing 500 are finished and built in portable terminal assembling, can have a slit between the foil gauge of described pressure transmission part 102 and pressure transducer 101, also can the two contact but do not have pressure on the described foil gauge.As shown in Figure 4, when portable terminal was received extruding, housing 500 can have deformation, thereby exert pressure to described foil gauge, cause pressure transducer 101 output pressure detection signals, thereby play the effect of warning, its principle elaborates in embodiment one, no longer gives unnecessary details here.
The quantity of described pressure transducer 101 is at least 1, and a plurality of pressure transducers 101 also can be set
The quantity of described pressure transmission part 102 can be consistent with the quantity of described pressure transducer 101, also can several pressure transducers 101 and 1 pressure transmission part 102 be used in conjunction with.
Described pressure transmission part 102 is Split type structure with housing 500, can be fixed on the housing 500 by welding, mode bonding or clamping; Described pressure transmission part 102 also can be integrative-structure with housing 500.
The portable terminal that the present embodiment provides can also comprise a supporting construction, and described pressure transducer 101 can be by welding, bonding, clamping or SMT on described supporting construction.Described supporting construction can be arranged on the circuit board on the mainboard 400 or be arranged on radome on the mainboard 400, also can be to be exclusively used in fixing described pressure transducer 101 and the bracing frame that arranges.
Because the edge of housing 500 has supporting construction, mainboard 400 corner locations have screw housing 500 are also had fixing effect, therefore when portable terminal is subject to ambient pressure, have the position of broken fastoperation most normally near the position in the middle of the portable terminal.Therefore, described pressure transmission part 102 should be arranged on the centre position near back housing 500 inwalls as much as possible, and pressure transducer 101 also is arranged on accordingly near the position in the middle of the mainboard 400.Certainly, the mobile terminal structure design is very complicated, be designed into the impact of the many factors such as electron device, trace arrangements, when pressure transmission part 102 is arranged on submarginal position, can be by regulating slit between described pressure transducer 101 and the described pressure transmission part 102 and the size of threshold value M0, reached and the purpose of alarm.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a pressure alarm system is characterized in that: comprise pressure transducer (101), data processing module (200) and warning execution module (300); The input end of described data processing module (200) is connected with the output terminal circuitry phase of described pressure transducer (101); The output terminal of described data processing module (200) is connected with the input end circuitry phase of described warning execution module (300).
2. pressure alarm system as claimed in claim 1, it is characterized in that: described pressure transducer (101) is piezoresistive pressure sensor (101), and described pressure transducer (101) comprises strain circuit and amplifying circuit.
3. pressure alarm system as claimed in claim 2, it is characterized in that: described strain circuit comprises the Wheatstone bridge (10) that contains at least a voltage dependent resistor, first port (11) of described Wheatstone bridge (10) is power port, is used for being connected with the Power Management Unit of portable terminal; The 3rd port (13) of described Wheatstone bridge (10) is grounding ports, is used for being connected with the ground of portable terminal; The second port (12) and the 4th port (14) of described Wheatstone bridge (10) are output port, are used for being connected with described strain circuit; Connect an electric capacity (C) between described the 4th port (14) and the 3rd port (13).
4. pressure alarm system as claimed in claim 3, it is characterized in that: described amplifying circuit comprises an amplifier (20) and four resistance, and the electrode input end of described amplifier (20) is connected on the 4th port (14) of described Wheatstone bridge (10) by the first resistance (R1) and a variohm (R5); The negative input of described amplifier (20) is connected on second port (12) of Wheatstone bridge (10) by the second resistance (R2); The electrode input end of described amplifier (20) is also by the 3rd resistance (R3) ground connection; Be connected in series the 4th resistance (R4) between the output terminal of described amplifying circuit and the negative input.
5. pressure alarm system as claimed in claim 3, it is characterized in that: described Wheatstone bridge comprises 4 bridge resistors, wherein two bridge resistors are voltage dependent resistor.
6. pressure alarm system as claimed in claim 5, it is characterized in that: described data processing module (200) comprises AD conversion unit (201) and micro-control unit (202); The input end of described AD conversion unit (201) is connected with the output terminal circuitry phase of described pressure transducer (101) and output terminal is connected with the input end circuitry phase of described micro-control unit (202).
7. pressure alarm system as claimed in claim 6, it is characterized in that: the threshold value M0 that described micro-control unit (202) has the output valve M of its AD conversion unit that receives (201) and its inner setting compares the function that transmits control signal when described output valve M is greater than or equal to threshold value M0.
8. portable terminal, it is characterized in that: be provided with such as each described pressure alarm system in the claim 1 to 7, described pressure transducer (101) is arranged on the mainboard (400).
9. portable terminal as claimed in claim 8 is characterized in that: also be provided with pressure transmission part (102); Described pressure transmission part (102) is arranged on the front housing (500) or back housing (500) of portable terminal, and matches with the position of described pressure transducer (101).
10. portable terminal as claimed in claim 9 is characterized in that: described pressure transmission part (102) is Split type structure or integrative-structure with housing (500).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105455108A CN103017947A (en) | 2012-12-14 | 2012-12-14 | Pressure alarm system and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105455108A CN103017947A (en) | 2012-12-14 | 2012-12-14 | Pressure alarm system and mobile terminal |
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| CN103017947A true CN103017947A (en) | 2013-04-03 |
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| CN2012105455108A Pending CN103017947A (en) | 2012-12-14 | 2012-12-14 | Pressure alarm system and mobile terminal |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388811A (en) * | 2015-11-27 | 2016-03-09 | 成都聚汇才科技有限公司 | Intelligent electric meter control system based on operational amplifier-type information transmission circuit |
| CN105446213A (en) * | 2015-11-27 | 2016-03-30 | 成都聚汇才科技有限公司 | Intelligent digital strain ammeter control system for resonant signal identification circuit |
| CN105491222A (en) * | 2015-11-18 | 2016-04-13 | 广东欧珀移动通信有限公司 | Terminal pressure reminding method, device and terminal |
| CN105510704A (en) * | 2015-11-27 | 2016-04-20 | 成都聚汇才科技有限公司 | Signal identification and operation-based electric meter control system with digital conversion circuit |
| CN105577938A (en) * | 2016-01-26 | 2016-05-11 | 上海斐讯数据通信技术有限公司 | Pressure reminding method and system and mobile terminal |
| CN105600148A (en) * | 2016-03-02 | 2016-05-25 | 翁文彬 | Humidity-sensing candy box |
| CN105600149A (en) * | 2016-03-02 | 2016-05-25 | 翁文彬 | Candy box |
| CN105678979A (en) * | 2016-02-22 | 2016-06-15 | 宇龙计算机通信科技(深圳)有限公司 | Alarm method and device and terminal |
| CN106124107A (en) * | 2016-06-17 | 2016-11-16 | 合肥联宝信息技术有限公司 | Pressure monitoring and prior-warning device, electronic product and method thereof |
| CN106438727A (en) * | 2016-09-08 | 2017-02-22 | 南京工业大学 | Slewing bearing with overload alarm function |
| CN109141729A (en) * | 2018-08-29 | 2019-01-04 | 青岛啤酒(日照)有限公司 | A kind of steam pressure alarm system for Beer Brewage |
| CN109443503A (en) * | 2017-08-28 | 2019-03-08 | 发那科株式会社 | Detection device |
| CN114770678A (en) * | 2022-04-28 | 2022-07-22 | 重庆佳利乐包装有限公司 | Batten processing fixing device |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105491222B (en) * | 2015-11-18 | 2019-04-12 | Oppo广东移动通信有限公司 | Terminal stress based reminding method, device and terminal |
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| CN105446213A (en) * | 2015-11-27 | 2016-03-30 | 成都聚汇才科技有限公司 | Intelligent digital strain ammeter control system for resonant signal identification circuit |
| CN105510704A (en) * | 2015-11-27 | 2016-04-20 | 成都聚汇才科技有限公司 | Signal identification and operation-based electric meter control system with digital conversion circuit |
| CN105388811A (en) * | 2015-11-27 | 2016-03-09 | 成都聚汇才科技有限公司 | Intelligent electric meter control system based on operational amplifier-type information transmission circuit |
| CN105577938A (en) * | 2016-01-26 | 2016-05-11 | 上海斐讯数据通信技术有限公司 | Pressure reminding method and system and mobile terminal |
| CN105678979A (en) * | 2016-02-22 | 2016-06-15 | 宇龙计算机通信科技(深圳)有限公司 | Alarm method and device and terminal |
| CN105600149A (en) * | 2016-03-02 | 2016-05-25 | 翁文彬 | Candy box |
| CN105600148A (en) * | 2016-03-02 | 2016-05-25 | 翁文彬 | Humidity-sensing candy box |
| CN106124107A (en) * | 2016-06-17 | 2016-11-16 | 合肥联宝信息技术有限公司 | Pressure monitoring and prior-warning device, electronic product and method thereof |
| CN106438727A (en) * | 2016-09-08 | 2017-02-22 | 南京工业大学 | Slewing bearing with overload alarm function |
| CN109443503A (en) * | 2017-08-28 | 2019-03-08 | 发那科株式会社 | Detection device |
| CN109443503B (en) * | 2017-08-28 | 2020-09-11 | 发那科株式会社 | Detection device |
| CN109141729A (en) * | 2018-08-29 | 2019-01-04 | 青岛啤酒(日照)有限公司 | A kind of steam pressure alarm system for Beer Brewage |
| CN114770678A (en) * | 2022-04-28 | 2022-07-22 | 重庆佳利乐包装有限公司 | Batten processing fixing device |
| CN114770678B (en) * | 2022-04-28 | 2023-03-10 | 重庆佳利乐包装有限公司 | Batten processing fixing device |
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Application publication date: 20130403 |