CN107067680B - Hidden early warning location seat - Google Patents
Hidden early warning location seat Download PDFInfo
- Publication number
- CN107067680B CN107067680B CN201710216636.3A CN201710216636A CN107067680B CN 107067680 B CN107067680 B CN 107067680B CN 201710216636 A CN201710216636 A CN 201710216636A CN 107067680 B CN107067680 B CN 107067680B
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- China
- Prior art keywords
- push rod
- backrest
- cam
- seat
- fixed
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- 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.)
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- 239000002184 metal Substances 0.000 claims abstract description 18
- 238000010248 power generation Methods 0.000 claims abstract description 11
- 238000004146 energy storage Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000670 limiting effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/016—Personal emergency signalling and security systems
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Percussion Or Vibration Massage (AREA)
Abstract
The invention belongs to the technical field of safety, and particularly relates to a hidden early warning positioning seat. The seat plate is provided with a through hole, a guide groove and a dovetail groove; the rotating shaft penetrates through the through hole; the backrest can rotate around the rotating shaft by an angle a2; the rotating shaft is bonded with a cam, and the roller is connected to the push rod; the push rod is arranged in the guide groove, a spring is embedded in a groove of the push rod and is in press-connection with the inner wall of the guide groove, the long rod is fixed on the push rod through the locking ring, and the piezoelectric vibrator is arranged on the long rod; the upper end of the metal film is fixed on the upper dovetail block, the middle parts of the adjacent metal films are pressed together through the shaft sleeve, and the lower end of the metal film is fixed on the lower dovetail block; the power generation units are respectively connected to the energy storage devices; the seat feet are fixed at the bottom of the seat board, and the bottom of the seat board is provided with a trigger button; the energy accumulator is connected to the circuit board through a lead. The alarm device is embedded in the seat, so that the concealment is good; a self-generating structure is arranged in the device, so that batteries do not need to be installed and wires do not need to be arranged, and the device is convenient and reliable to work; the operation is simple, and the alarm operation can be completed without two hands.
Description
Technical Field
The invention belongs to the technical field of safety, and particularly relates to a hidden early warning positioning seat.
Background
In recent years, robbery in banks/supermarkets/jewelry stores, medical injury of patients and other criminal cases are reported, and affected staff, medical staff and the like are often limited by conditions to take post-alarm, so that the optimal alarm and pursuit opportunities of security guards and police are delayed, and serious loss and casualty events are easily caused. Various anti-theft and monitoring systems are installed in important office places such as banks, supermarkets, jewelry stores, hospitals and the like to ensure property and personal safety; however, the conventional video monitoring center and the telephone alarm help-seeking system have the problems of alarm lag, slow alarm positioning and the like, once emergencies such as robbery, medical injury of patients and the like occur, the alarm means of the victim is single and is limited to the modes of a telephone, a mobile phone, an alarm and the like, the transmission speed of dialing and telephone lines is slow, the alarm means is obvious, the alarm is easy to be interrupted and prevented, the alarm is delayed, and property loss and even personal injury are caused. In addition, most of the existing alarm and help-seeking systems adopt cables or batteries for power supply, and once the power supply problem occurs, the alarm system cannot work normally, and the problems of missing report or under report and the like occur. In summary, many problems still remain to be solved in order to realize effective, stable and reliable operation of the alarm system.
Disclosure of Invention
The invention aims to provide a hidden early warning positioning seat which provides a reliable early warning function for victims in a hidden state. The invention adopts the following implementation scheme: the seat plate is provided with a through hole, a guide groove and a dovetail groove; the rotating shaft penetrates through the through hole, and two ends of the rotating shaft are connected with a backrest through nuts; the backrest consists of a rotating plate and a backrest arm, and the backrest can rotate around the rotating shaft by an angle a2; a cam is bonded on the rotating shaft, a ring groove is formed in the cam, a round pin is installed in the ring groove, a roller is pressed at the pushing section of the cam, and the roller is connected to the push rod through a pin shaft; the push rod is provided with a pin hole, a rolling groove, a lock hole, a bulge and a groove; the push rod is arranged in the guide groove, a spring is embedded in a groove of the push rod and is pressed on the inner wall of the guide groove, the long rod passes through the lock hole and is fixed on the push rod through the lock ring, and the piezoelectric vibrator is arranged on the long rod; the piezoelectric vibrator is formed by bonding a metal film and a piezoelectric film, the piezoelectric vibrator is in a straight structure in a natural state before assembly and is changed into a bent structure after installation, the curvature radius of the piezoelectric film after installation is smaller than that of the metal film, and the piezoelectric film bears compressive stress; the upper end of the metal film is fixed on the upper dovetail block through a screw, the middle parts of the adjacent metal films are pressed together through a shaft sleeve, and the lower end of the metal film is fixed on the lower dovetail block through a screw; the power generation units are respectively connected to the energy storage devices through leads; the upper dovetail block and the lower dovetail block are fixed in the dovetail grooves; the cushion is fixed on the upper part of the seat board; the seat feet are fixed at the bottom of the seat plate through bearings, and a trigger button is installed at the bottom of the seat plate; the distance between the trigger button and the bulge and the pushing distance of the cam are both L, the trigger button is connected to the circuit board through a lead, and the energy accumulator is connected to the circuit board through a lead.
When the backrest normally works and the backrest is not stressed, the push rod keeps a balanced state under the acting force of the cam, the piezoelectric vibrator and the spring, the pressure stress borne by the piezoelectric film is half of an allowable value at the moment, the distance from the protrusion on the push rod to the trigger button is L, and the alarm function on the circuit board is not triggered; when the back of a user leans against the backrest and the rotation angle of the leaning arm is smaller than a1, the cam is in the lift section, the cam drives the push rod to move rightwards, the power generation unit I on the long rod stretches under tension, the power generation unit II on the long rod shortens under compression, and the piezoelectric vibrator generates electric energy under the alternate telescopic deformation; when the backrest does not lean against, the backrest resets under the action of the spring and the piezoelectric vibrator; the generated electric energy is stored in an energy storage device; when a user leans against the backrest with force on the back and the rotation angle of the leaning arm is larger than a1, the cam is away from the lift section and is in a far rest section, and the protrusion on the push rod closes the trigger button and activates an early warning function; when the rotation angle of the backup arm is a2, the cam stops rotating under the limiting action of the round pin; the circuit board sends out early warning positioning signals after receiving the pulse signals.
Features and advantages: (1) the early warning device is embedded in the seat, so that the concealment is good; (2) a self-generating structure is arranged in the device, so that batteries do not need to be installed and wires do not need to be arranged, and the device is convenient and reliable to work; (3) the operation is simple, and the early warning operation can be finished without two hands; (4) the pre-bending assembly of the piezoelectric vibrator only bears the compressive stress, the stress distribution is uniform, and the power generation capacity is strong.
Drawings
FIG. 1 is a schematic view of a concealed early warning positioning seat according to a preferred embodiment of the present invention;
FIG. 2 isbase:Sub>A sectional view A-A of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a schematic view of the seat pan of the preferred embodiment of the present invention;
FIG. 5 is a schematic view of a push rod according to a preferred embodiment of the present invention;
FIG. 6 is a schematic structural view of a piezoelectric vibrator before mounting in a preferred embodiment of the present invention;
FIG. 7 is a profile displacement graph of a cam;
the specific implementation mode is as follows:
the seat plate 1 is provided with a through hole 101, a guide groove 102 and a dovetail groove 103; the rotating shaft 3 penetrates through the through hole 101, and two ends of the rotating shaft 3 are connected with the backrest 2 through nuts; the backrest 2 consists of a rotating plate 201 and a backrest arm 202, and the backrest 2 can rotate around the rotating shaft 3 by an angle a2; a cam 4 is bonded on the rotating shaft 3, a ring groove 401 is formed in the cam 4, a round pin 4a is installed in the ring groove 401, a roller 5 is pressed on the push section of the cam 4, and the roller 5 is connected to a push rod 6 through a pin shaft 5 a; the push rod 6 is provided with a pin hole 601, a rolling groove 602, a lock hole 603, a bulge 604 and a groove 605; the push rod 6 is arranged in the guide groove 102, a spring s is embedded in a groove 605 of the push rod 6 and is pressed on the inner wall of the guide groove 102, the long rod 8 passes through the lock hole 603 and is fixed on the push rod 6 through the lock ring 802, and the long rod 8 is provided with a piezoelectric vibrator H; the piezoelectric vibrator H is formed by bonding a metal film m and a piezoelectric film p, the piezoelectric vibrator H is in a straight structure in a natural state before assembly and is changed into a bent structure after installation, the curvature radius of the piezoelectric film p after installation is smaller than that of the metal film m, and the piezoelectric film p bears compressive stress; the upper ends of the metal films m are fixed on the upper dovetail block 7 through screws, the middle parts of the adjacent metal films m are pressed together through a shaft sleeve 801, and the lower ends of the metal films m are fixed on the lower dovetail block 7' through screws; the power generation units I and II are respectively connected to the energy storage device B through leads; the upper dovetail block 7 and the lower dovetail block 7' are fixed in the dovetail groove 103; the cushion 9 is fixed on the upper part of the seat board 1; the seat leg 11 is fixed at the bottom of the seat plate 1 through a bearing, and the bottom of the seat plate 1 is provided with a trigger button 10; the distance between the trigger button 10 and the protrusion 604 and the pushing distance of the cam 4 are both L, the trigger button 10 is connected to the circuit board C through a wire, and the energy accumulator B is connected to the circuit board C through a wire.
When the backrest 2 works normally and is not stressed, the push rod 6 keeps a balance state under the acting force of the cam 4, the piezoelectric vibrator H and the spring s, the pressure stress borne by the piezoelectric film p is half of an allowable value, the distance from the bulge 604 on the push rod 6 to the trigger button 10 is L, and the alarm function on the circuit board C is not triggered; when the back of a user leans against the backrest 2 and the rotation angle of the leaning arm 202 is smaller than a1, the cam 4 is in a lift range, the cam 4 drives the push rod 6 to move rightwards, the power generation unit I on the long rod 8 is stretched in a tensile mode, the power generation unit II is shortened in a compression mode, and the piezoelectric vibrator H generates electric energy under the alternate telescopic deformation; when the backrest 2 is not leaned on, the backrest resets under the action of the spring s and the piezoelectric vibrator H; the generated electric energy is stored in an energy storage device B; when a user leans against the backrest 2 with force on the back and the rotation angle of the leaning arm 202 is larger than a1, the cam 4 leaves the lift section and is in a far rest section, the protrusion 604 on the push rod 6 closes the trigger button 10 and activates the early warning function; when the rotation angle of the backup arm 202 is a2, the cam stops rotating under the limiting action of the round pin 4 a; and the circuit board C sends out an early warning positioning signal after receiving the pulse signal.
Claims (1)
1. The utility model provides a hidden early warning location seat for bank, supermarket, jewelry store and hospital's early warning, its characterized in that: the early warning device is embedded in the seat and internally provided with a self-generating structure, so that the early warning operation can be completed without two hands; the seat plate is provided with a through hole, a guide groove and a dovetail groove; the rotating shaft penetrates through the through hole, and two ends of the rotating shaft are connected with a backrest through nuts; the backrest consists of a rotating plate and a backrest arm, and the backrest can rotate around the rotating shaft by an angle a2; a cam is bonded on the rotating shaft, a ring groove is formed in the cam, a round pin is installed in the ring groove, a roller is pressed at the pushing section of the cam, and the roller is connected to the push rod through a pin shaft; the push rod is provided with a pin hole, a rolling groove, a lock hole, a bulge and a groove; the push rod is arranged in the guide groove, a spring is embedded in a groove of the push rod and is in press-connection with the inner wall of the guide groove, the long rod penetrates through the lock hole and is fixed on the push rod through the lock ring, and the long rod is provided with the piezoelectric vibrator; the piezoelectric vibrator is formed by bonding a metal film and a piezoelectric film, the piezoelectric vibrator is in a straight structure in a natural state before assembly and is changed into a bent structure after installation, the curvature radius of the piezoelectric film after installation is smaller than that of the metal film, and the piezoelectric film bears compressive stress; the upper end of the metal film is fixed on the upper dovetail block through a screw, the middle parts of the adjacent metal films are pressed together through a shaft sleeve, and the lower end of the metal film is fixed on the lower dovetail block through a screw; the power generation units are respectively connected to the energy storage devices through leads; the upper dovetail block and the lower dovetail block are fixed in the dovetail grooves; the cushion is fixed on the upper part of the seat board; the seat feet are fixed at the bottom of the seat plate through bearings, and a trigger button is installed at the bottom of the seat plate; the distance between the trigger button and the bulge and the pushing stroke of the cam are both L, the trigger button is connected to the circuit board through a lead, and the energy accumulator is connected to the circuit board through a lead; when the backrest works normally and the backrest is not stressed, the push rod keeps a balanced state under the acting force of the cam, the piezoelectric vibrator and the spring, the pressure stress borne by the piezoelectric film is half of an allowable value, the distance from the protrusion on the push rod to the trigger button is L, and the alarm function on the circuit board is not triggered; when the back of a user leans against the backrest and the rotation angle of the leaning arm is smaller than a1, the cam is in the lift section, the cam drives the push rod to move rightwards, the power generation unit I on the long rod stretches under tension, the power generation unit II on the long rod shortens under compression, and the piezoelectric vibrator generates electric energy under the alternate telescopic deformation; when the backrest does not lean against, the backrest resets under the action of the spring and the piezoelectric vibrator; the generated electric energy is stored in an energy storage device; when a user leans against the backrest with force on the back and the rotation angle of the leaning arm is larger than a1, the cam is away from the lift section and is in a far rest section, and the protrusion on the push rod closes the trigger button and activates an early warning function; when the rotation angle of the backup arm is a2, the cam stops rotating under the limiting action of the round pin; the circuit board sends out early warning positioning signal after receiving pulse signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216636.3A CN107067680B (en) | 2017-03-21 | 2017-03-21 | Hidden early warning location seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216636.3A CN107067680B (en) | 2017-03-21 | 2017-03-21 | Hidden early warning location seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107067680A CN107067680A (en) | 2017-08-18 |
| CN107067680B true CN107067680B (en) | 2023-03-14 |
Family
ID=59602593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710216636.3A Active CN107067680B (en) | 2017-03-21 | 2017-03-21 | Hidden early warning location seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107067680B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0192527A1 (en) * | 1985-01-30 | 1986-08-27 | Daniel Clavier | Anti-theft system, in particular for an automotive vehicle |
| CN1688231A (en) * | 2002-08-26 | 2005-10-26 | 特里·卡萨迪 | Chair with onboard electrical power source |
| CN101450652A (en) * | 2008-12-31 | 2009-06-10 | 清华大学 | Theft-protection safety monitor system for automobile |
| CN204184207U (en) * | 2014-11-14 | 2015-03-04 | 华北电力大学（保定） | A kind of bus self-generating system |
| CN104824939A (en) * | 2015-04-27 | 2015-08-12 | 浙江师范大学 | Self-powered positioning distress walking stick |
| CN105958866A (en) * | 2016-06-15 | 2016-09-21 | 浙江师范大学 | Piezoelectric type hydro-generator used for river monitoring |
-
2017
- 2017-03-21 CN CN201710216636.3A patent/CN107067680B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0192527A1 (en) * | 1985-01-30 | 1986-08-27 | Daniel Clavier | Anti-theft system, in particular for an automotive vehicle |
| CN1688231A (en) * | 2002-08-26 | 2005-10-26 | 特里·卡萨迪 | Chair with onboard electrical power source |
| CN101450652A (en) * | 2008-12-31 | 2009-06-10 | 清华大学 | Theft-protection safety monitor system for automobile |
| CN204184207U (en) * | 2014-11-14 | 2015-03-04 | 华北电力大学（保定） | A kind of bus self-generating system |
| CN104824939A (en) * | 2015-04-27 | 2015-08-12 | 浙江师范大学 | Self-powered positioning distress walking stick |
| CN105958866A (en) * | 2016-06-15 | 2016-09-21 | 浙江师范大学 | Piezoelectric type hydro-generator used for river monitoring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107067680A (en) | 2017-08-18 |
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Effective date of registration: 20240426 Address after: 250000 Tianchen Road, High tech Zone, Jinan City, Shandong Province Hisense Tianchen Patentee after: Tianhong (Jinan) Intelligent Equipment Industry Research Co.,Ltd. Country or region after: China Address before: 321004 Zhejiang Normal University, 688 Yingbin Avenue, Wucheng District, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG NORMAL University Country or region before: China |
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| TR01 | Transfer of patent right |