CN1887130A - Air bag safety helmet with voice prompt - Google Patents
Air bag safety helmet with voice prompt Download PDFInfo
- Publication number
- CN1887130A CN1887130A CN 200610044738 CN200610044738A CN1887130A CN 1887130 A CN1887130 A CN 1887130A CN 200610044738 CN200610044738 CN 200610044738 CN 200610044738 A CN200610044738 A CN 200610044738A CN 1887130 A CN1887130 A CN 1887130A
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- circuit
- voltage comparator
- safety helmet
- alarm
- infrared probe
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Abstract
The present invention discloses one kind of air bag safety helmet with voice prompt. The air bag safety helmet with voice prompt has raised safety performance, simple structure, high impact resistance and other advantages. Structurally, the air bag safety helmet is provided with one helmet body, one infrared probe set in the top of the helmet body and connected to a voice alarm circuit, a one safety air bag inside the helmet body.
Description
Technical field
The present invention relates to a kind of safety cap, relate in particular to a kind of air-bag safety helmet that has voice suggestion.
Background technology
Safety cap is the protector that people must wear in the construction site, existing safety cap is many to be made by rigid plastics, and be cover band between wearer's head, safety cap and people's head interval is gone out certain clearance, clash into the injury that causes to the wearer behind the safety cap with buffering objects.But this safety cap only can play the passive protection effect, and its impulsive force to the head part is bigger simultaneously, and the wearer still comes to harm easily in the construction site.
Summary of the invention
Purpose of the present invention is exactly in order to solve the not high problem of present safety cap safety coefficient, provide a kind of have simple in structure, the air-bag safety helmet that has voice suggestion of advantage such as anti-impact force is good, and security performance is reliable.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of air-bag safety helmet that has voice suggestion, it has the cap body, is provided with infrared probe at the top of cap body, and this probe is connected with voice alarm circuit; In the top of cap body, be provided with air bag.
Described voice alarm circuit is made up of infrared probe, amplifying circuit, voltage comparator, audio alert delay circuit, power circuit, infrared probe with detected dropped object signal after amplifying circuit amplifies, send into voltage comparator, voltage comparator sends control signal and makes the work of audio alert delay circuit, prolongs time of fire alarming.
Infrared probe is an IC 1, its output pin connects amplifying circuit, amplifying circuit is made up of triode VT1 and operational amplifier IC2, triode VT1 is connected with operational amplifier IC2 by capacitor C 2, the output pin of operational amplification circuit IC2 connects with voltage comparator ic 3, the output pin of voltage comparator ic 3 is connected with delayed alarm circuit, this circuit comprises that delay circuit and the alarm be made up of resistance R 14 and capacitor C 6, IC 4 form, and IC 4 is connected with alarm by triode VT2.
Safety cap of the present invention can in time be found falling object and send alarm signal to be beneficial to personnel and to hide and simultaneously also can be the rescue personnel and indicate the place where the accident occurred by infrared probe, so that rescue in time.In safety cap, also have air bag simultaneously, to wearer's impulsive force, play the effect of protection when effectively buffering objects falls.
The invention has the beneficial effects as follows: simple in structure, safe and reliable, can effectively play early warning and protective action, strengthen security.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the electrical schematic diagram of warning circuit of the present invention.
Wherein, 1. cap body, 2. infrared probe, 3. air bag.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and embodiment.
Among Fig. 1, the top of safety cap body 1 is provided with infrared probe 2, also has air bag 3 on the top of cap body 1.Infrared probe 2 is connected with alarm control circuit.
Alarm control circuit as shown in Figure 2, it is made up of infrared probe 2, signal amplification circuit, voltage comparator, delayed alarm circuit and power circuit.Infrared probe 2 is an IC 1, when it detects the infrared signal of objects in front emission, 2 pin output signals by IC 1, this signal is after the first order amplifying circuit that triode VT1 forms amplifies, be input to by capacitor C 2 and carry out high-gain, low noise amplification among the operational amplifier IC2, this moment is enough strong by 1 pin output signal of IC 2.IC 3 is a voltage comparator, its the 5th pin provides reference voltage by resistance R 10, VD1, when the signal voltage of 1 pin of IC 2 output arrives 6 pin of IC 3, two input terminal voltages compare, and this moment, 7 pin of IC 3 became low level by original high level.IC 4, resistance R 14, capacitor C 4 are delay circuit, and its time is 1 minute.When 7 pin of IC 3 become low level, capacitor C 6 is by diode VD2 discharge, this moment, 2 pin of IC 4 became low level, 3 pin reference voltages of it and IC 4 compare, when it is lower than its reference voltage, 1 pin limit of IC 4 is a high level, triode VT2 conducting, and chimes of doom is sent in alarm BL energising.After the infrared signal of object disappeared, 7 pin of IC 3 recovered high level output, and this moment, diode VD2 ended.Because the voltage at capacitor C 6 two ends can not suddenly change, so slowly discharge to capacitor C 6 by resistance R 14, when the voltage at capacitor C 6 two ends was higher than its reference voltage, 1 pin of IC 4 became low level, and the time is about 1 minute, promptly continued warning in 1 minute.
Claims (3)
1, a kind of air-bag safety helmet that has voice suggestion, it has the cap body, it is characterized in that: the top at the cap body is provided with infrared probe, and this probe is connected with voice alarm circuit; In the top of cap body, be provided with air bag.
2, the air-bag safety helmet that has voice suggestion according to claim 1, it is characterized in that: described voice alarm circuit is made up of infrared probe, amplifying circuit, voltage comparator, audio alert delay circuit, power circuit, infrared probe with detected dropped object signal after amplifying circuit amplifies, send into voltage comparator, voltage comparator sends control signal and makes the work of audio alert delay circuit, prolongs time of fire alarming.
3, the air-bag safety helmet that has voice suggestion according to claim 2, it is characterized in that: infrared probe is an IC 1, its output pin connects amplifying circuit, amplifying circuit is made up of triode VT1 and operational amplifier IC2, triode VT1 is connected with operational amplifier IC2 by capacitor C 2, the output pin of operational amplification circuit IC2 connects with voltage comparator ic 3, the output pin of voltage comparator ic 3 is connected with delayed alarm circuit, this circuit comprises by resistance R 14 and capacitor C 6, delay circuit and alarm that IC 4 is formed are formed, and IC 4 is connected with alarm by triode VT2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610044738 CN1887130A (en) | 2006-06-15 | 2006-06-15 | Air bag safety helmet with voice prompt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610044738 CN1887130A (en) | 2006-06-15 | 2006-06-15 | Air bag safety helmet with voice prompt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1887130A true CN1887130A (en) | 2007-01-03 |
Family
ID=37576412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610044738 Pending CN1887130A (en) | 2006-06-15 | 2006-06-15 | Air bag safety helmet with voice prompt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1887130A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429361A (en) * | 2011-11-09 | 2012-05-02 | 北京联合大学 | Safety cap |
| CN106510077A (en) * | 2016-10-18 | 2017-03-22 | 成都益睿信科技有限公司 | Mining safety helmet |
-
2006
- 2006-06-15 CN CN 200610044738 patent/CN1887130A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102429361A (en) * | 2011-11-09 | 2012-05-02 | 北京联合大学 | Safety cap |
| CN106510077A (en) * | 2016-10-18 | 2017-03-22 | 成都益睿信科技有限公司 | Mining safety helmet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |