CN208938306U - A kind of the elderly's safety alarm device detection circuit - Google Patents
A kind of the elderly's safety alarm device detection circuit Download PDFInfo
- Publication number
- CN208938306U CN208938306U CN201821779469.XU CN201821779469U CN208938306U CN 208938306 U CN208938306 U CN 208938306U CN 201821779469 U CN201821779469 U CN 201821779469U CN 208938306 U CN208938306 U CN 208938306U
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- CN
- China
- Prior art keywords
- triode
- control
- elderly
- sheath
- falling sensor
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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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Abstract
The utility model discloses a kind of the elderly's safety alarm device detection circuits, including falling sensor and control circuit；Falling sensor includes sheath, and sheath tip is hung with metal ball through elastic metallic yarn, and sheath bottom interior wall is equipped with metal tape, and elastic metallic yarn stretches out sheath and is provided as anode, and metal tape is as cathode；Control circuit includes: midget relay coil, warning circuit conducting is controlled by relay switch, to notify household or alarm；Delay circuit receives the trigger signal from falling sensor, and control signal, control switch element conductive and cut-off are issued after delay；Switch element receives trigger signal, and output drive signal drive control element conductive and cut-off；Control element receives driving signal, the conducting of control midget relay coil and cut-off, and the utility model ensure that the precision of alarm triggering, safer.
Description
Technical field
The utility model relates to a kind of warning circuit, in particular to a kind of warning device detection circuit.
Background technique
As social senilization is increasingly severe, older the elderly is easy to wander away when outgoing, often there is this respect
News report has in the prior art to position, alarms as old man's wrist-watch of major function, but its alarm be mostly passively,
It needs manually to go push switch, this can not play a role after old man falls down suddenly because clouding of consciousness.
A kind of intelligent the elderly's tumbling alarm system, Publication No.: CN are disclosed in the prior art
108416979 A, the tumble of hardware components detection old man mainly pass through three axis attitude sensor and detect, higher cost,
Control is complicated.
Utility model content
The purpose of the utility model is to provide a kind of the elderly's safety alarm device detection circuits, so that detection is more square
Just, it is safer when the elderly uses.
Purpose of the utility model is realized as follows: a kind of the elderly's safety alarm device detection circuit, including topple over
Sensor and control circuit；The falling sensor includes sheath, and the sheath tip is hung with metal ball through elastic metallic yarn,
The sheath bottom interior wall is equipped with metal tape, and the elastic metallic yarn stretches out sheath and is provided as anode, the metal tape conduct
Cathode；The control circuit includes:
Midget relay coil controls warning circuit conducting by relay switch, to notify household or alarm；
Delay circuit receives the trigger signal from falling sensor, and control signal, control switch element are issued after delay
Conducting and cut-off；
Switch element receives the control signal, and output drive signal drive control element conductive and cut-off；
Control element receives the driving signal, the conducting of control midget relay coil and cut-off.
As further limiting for the utility model, the control element selects triode, and the collector of triode is through micro-
Type relay coil connects power supply, the emitter ground connection of triode, and the base stage of triode connects switch element.
As further limiting for the utility model, the switch element includes triode and resistance, the transmitting of triode
Pole connects power supply, the collector resistance grounded of triode, and the base stage of triode connects delay circuit.
As further limiting for the utility model, the delay circuit includes diode and resistance in parallel, after in parallel
Falling sensor cathode is connect through rheostat, the anode of falling sensor connects power supply, and the electrode points between rheostat and diode connect
The base stage of triode.
As further limiting for the utility model, the emitter of the triode, falling sensor anode through pressure stabilizing
Device connects power supply.
When utility model works, midget relay switch is associated with existing alarm push switch or triggering is opened
It closes, when user falls down, the metal ball on falling sensor touches all metal tapes, so that delay circuit is connected, to capacitor C1
Charging, after a period of time is connected in delay circuit, when the voltage of capacitor C1 is full of the trigger voltage for reaching three-level BG1, three poles
Pipe BG1 conducting, drives the base stage of triode BG2 to become high level from low level, so that triode BG2 is connected, to drive micro-
Type relay coil J1 work once electrified, passes through midget relay switch control alarm work.Compared with prior art, this is practical
Novel beneficial effect is that the inclination sensor in the utility model can be achieved ten thousand by copper ball and the metal tape cooperation of suspension
To triggering, the precision of alarm triggering, relatively reliable safety ensure that.
Detailed description of the invention
Fig. 1 is the utility model control circuit schematic diagram.
Fig. 2 is falling sensor structural schematic diagram in the utility model.
Wherein, 1 sheath, 2 metal balls, 3 metal tapes, 4 elastic metallic yarns.
Specific embodiment
A kind of the elderly's safety alarm device detection circuit as shown in Figs. 1-2, including falling sensor and control circuit；
Falling sensor includes sheath 1, and 1 top of sheath is hung with swingable metal ball 2,1 bottom interior wall of sheath through elastic metallic yarn 4
Equipped with metal tape 3, elastic metallic yarn 4 stretches out sheath 1 and is provided as anode, and metal tape 3 is used as cathode, and the gravity of metal ball 2 is small
In being equal to the power of 4 integrally bending of elastic metallic yarn, to ensure that falling sensor in reverse sheath 1, is unlikely to from bottom
Fall into top；Control circuit includes:
Midget relay coil J1 controls warning circuit conducting by relay switch, to notify household or alarm；
Delay circuit receives the trigger signal from falling sensor, and control signal, control switch element are issued after delay
It is connected and cut-off, delay circuit includes diode C1 and resistance R1 in parallel, connect falling sensor through rheostat RP1 after in parallel and bear
Pole, the anode of falling sensor connect power supply, and the electrode points between rheostat RP1 and diode C1 connect the base stage of triode BG1；
Switch element BG1 receives trigger signal, and output drive signal drive control element conductive and cut-off, switch member
Part includes triode BG1 and resistance R2, and the emitter of triode BG1 connects power supply, and the collector of triode BG1 connects through resistance R2
The base stage on ground, triode BG1 connects delay circuit；
Control element BG2, receives driving signal, and the conducting of control midget relay coil and cut-off, control element select three
The collector of pole pipe BG2, triode BG2 connect power supply, the emitter ground connection of triode BG2, triode through midget relay coil
The base stage of BG2 connects switch element, and the emitter of triode BG1, the anode of falling sensor connect power supply through voltage-stablizer TS.
In manufacturing process, the wire in falling sensor selects phosphorus copper wire, and metal ball selects copper ball, and metal tape selects hair
Blister copper band, it is in the utility model in use, midget relay switch is associated with existing alarm push switch, normal use
When, even if metal ball 2 can shake with walking about for human body, the of short duration conducting of bring delay circuit is also not enough to trigger three poles
Pipe BG1, when user falls down, the metal ball 2 on falling sensor touches all metal tapes 3, so that delay circuit is connected, to electricity
Hold C1 charging, after a period of time is connected in delay circuit, when the voltage of capacitor C1 is full of the trigger voltage for reaching three-level BG1,
Triode BG1 conducting, drives the base stage of triode BG2 to become high level from low level, so that triode BG2 is connected, thus band
Actuating miniature relay coil J1 work once electrified issues alarm or sends out short by midget relay switch control alarm work
Letter, which is made a phone call, notifies household.
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this
For the technical staff in field according to disclosed technology contents, not needing creative labor can be special to some of which technology
Sign makes some replacements and deformation, these replacements and deformation are within the protection scope of the present utility model.
Claims (5)
1. a kind of the elderly's safety alarm device detection circuit, which is characterized in that including falling sensor and control circuit；It is described
Falling sensor includes sheath, and the sheath tip is hung with metal ball through elastic metallic yarn, and the sheath bottom interior wall is equipped with
Metal tape, the elastic metallic yarn stretch out sheath and are provided as anode, and the metal tape is as cathode；The control circuit packet
It includes:
Midget relay coil (J1) controls warning circuit conducting by relay switch, to notify household or alarm；
Delay circuit receives the trigger signal from falling sensor, and control signal, control switch element conductive are issued after delay
With cut-off；
Switch element (BG1) receives the control signal, and output drive signal drive control element conductive and cut-off；
Control element (BG2) receives the driving signal, control midget relay coil (J1) conducting and cut-off.
2. a kind of the elderly's safety alarm device detection circuit according to claim 1, which is characterized in that the control member
Part selects triode (BG2), and the collector of triode (BG2) connects power supply, the transmitting of triode (BG2) through midget relay coil
Pole ground connection, the base stage of triode (BG2) connect switch element.
3. a kind of the elderly's safety alarm device detection circuit according to claim 2, which is characterized in that the switch member
Part includes triode (BG1) and resistance (R2), and the emitter of triode (BG1) connects power supply, and the collector of triode (BG1) is through electricity
(R2) ground connection is hindered, the base stage of triode (BG1) connects delay circuit.
4. a kind of the elderly's safety alarm device detection circuit according to claim 3, which is characterized in that the delay electricity
Road includes diode (C1) and resistance (R1) in parallel, connects falling sensor cathode through rheostat (RP1) after parallel connection, topples over sensing
The anode of device connects power supply, and the electrode points between rheostat (RP1) and diode (C1) connect the base stage of triode (BG1).
5. a kind of the elderly's safety alarm device detection circuit according to claim 4, which is characterized in that the triode
(BG1) anode of emitter, falling sensor connects power supply through voltage-stablizer (TS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821779469.XU CN208938306U (en) | 2018-10-31 | 2018-10-31 | A kind of the elderly's safety alarm device detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821779469.XU CN208938306U (en) | 2018-10-31 | 2018-10-31 | A kind of the elderly's safety alarm device detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208938306U true CN208938306U (en) | 2019-06-04 |
Family
ID=66726593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821779469.XU Expired - Fee Related CN208938306U (en) | 2018-10-31 | 2018-10-31 | A kind of the elderly's safety alarm device detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208938306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166277A (en) * | 2018-10-31 | 2019-01-08 | 路远 | A kind of the elderly's safety alarm device detection circuit |
-
2018
- 2018-10-31 CN CN201821779469.XU patent/CN208938306U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166277A (en) * | 2018-10-31 | 2019-01-08 | 路远 | A kind of the elderly's safety alarm device detection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20191031 |