CN104902398A - Helmet - Google Patents
Helmet Download PDFInfo
- Publication number
- CN104902398A CN104902398A CN201510290602.XA CN201510290602A CN104902398A CN 104902398 A CN104902398 A CN 104902398A CN 201510290602 A CN201510290602 A CN 201510290602A CN 104902398 A CN104902398 A CN 104902398A
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- China
- Prior art keywords
- module
- helmet
- audio signal
- helmet body
- power amplifier
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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 invention provides a helmet, comprising a helmet body. A power supply module, a power amplifying module electrically connected with the power supply module, a filtering module electrically connected with the power amplifying module, and a sound amplifying module electrically connected with the filtering module. An audio signal input end is connected on the power amplifying module. By accessing a fault audio signal in the helmet body via the audio signal input end, amplifying the fault audio signal via the power amplifying module, and filtering the fault audio signal via the filtering module to make the signal more clear, the helmet of the invention quickens searching speed of the cable fault so as to save a large amount of time for further emergency maintenance.
Description
Technical field
The present invention relates to cable fault investigation field, in particular to a kind of helmet.
Background technology
Current electric power system 10kV cable fault is searched equipment and is comprised stepup transformer, flash tester and audiphone three part.The Main Function of audiphone is along cable run, listens to electric discharge audio signal and receiving electromagnetic signals, determines Method of Cable Trouble Point position.Its principle is for pass to headphone by audio frequency amplifier by audio signal, and observe the change of electromagnetic signal power by electromagnetic signal display instrument, two kinds of signals combine, and the most strength of signal is position of failure point.
But equipment searched by cable fault of the prior art, in cable fault search procedure, often because external environment is noisy or interference, signal sound be can't hear by audiphone earphone, causes searching time lengthening.
Summary of the invention
Main purpose of the present invention is to provide a kind of helmet, to solve in prior art because external environmental interference or noise too noisy, cause the problem of searching time lengthening.
To achieve these goals, the invention provides a kind of helmet, comprise: helmet body, public address module helmet body being provided with power module, the power amplifier module be electrically connected with power module, the filtration module be electrically connected with power amplifier module and being electrically connected with filtration module; Power amplifier module is connected with audio signal input end.
Further, power module comprises rechargeable battery.
Further, helmet body is also provided with the switch controlling rechargeable battery.
Further, switch-linear hybrid is between power module and power amplifier module.
Further, power amplifier module comprises audio signal amplifier.
Further, filtration module comprises rectifier.
Further, public address module comprises loudspeaker.
Further, helmet body is also provided with indicator light.
Further, indicator light is arranged between filtration module and public address module.
Further, helmet body inner surface edge place is provided with sound-isolating sponge.
Further, helmet body inner surface is provided with one deck sound-isolating sponge.
The present invention is by accessing in helmet body by fault audio signal by audio signal input end, by power amplifier module by fault audio signal amplify, more clear through filtration module filtered signal, accelerate cable fault seek rate, for the repairing of broken road saves a large amount of time further.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the operation principle circuit diagram of the helmet of the present invention.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, power module; 20, switch; 30, power amplifier module; 40, filtration module; 50, indicator light; 60, public address module; 70, audio signal input end.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
The helmet of the present invention comprises: helmet body, the public address module 60 helmet body being provided with power module 10, the power amplifier module 30 be electrically connected with power module 10, the filtration module 40 be electrically connected with power amplifier module 30 and being electrically connected with filtration module 40; Power amplifier module is connected with audio signal input end 70.
The present invention is by accessing in helmet body by fault audio signal, by power amplifier module 30 by fault audio signal amplify, more clear through filtration module 40 filtered signal, solve because of external environmental interference or noise noisy, cause searching the technical problem that cable fault labour intensity strengthens.Technical scheme of the present invention, accelerates cable fault seek rate, for the repairing of broken road saves a large amount of time further.
According to one embodiment of present invention, power module 10 comprises rechargeable battery.
In the present invention, the power supply in power module 10 can provide voltage needed for work by rechargeable battery, also can by being electrically connected acquisition work required voltage with conventional wires.
In the present embodiment, helmet body is also provided with the switch 20 controlling rechargeable battery.
Preferably, switch 20 is arranged between power module 10 and power amplifier module 30.
In the present embodiment, power amplifier module 30 comprises audio signal amplifier, for the amplification to fault audio signal, to such an extent as to makes staff better can hear the signal of fault audio frequency.
In the present embodiment, filtration module 40 comprises rectifier, and adopt rectifier to carry out filtering to fault audio frequency, the fault audio frequency that staff is heard is more clear.
In the present invention, public address module 60 comprises loudspeaker, and these loudspeaker for accepting the fault audio frequency by power amplifier amplification, filter filtering, and are converted into the signal of telecommunication.
According to another embodiment of the invention, helmet body is also provided with indicator light 50, this indicator light 50 is mainly used for showing components and parts in helmet body whether Dou Yi UNICOM, namely when indicator light 50 luminescence time, expression object is "on" position, otherwise, when indicator light 50 does not have a luminescence, represent that in helmet body, components and parts are in off-position.
Preferably, indicator light 50 is arranged between filtration module 40 and public address module 60.
In the present invention, fault audio frequency is better heard in order to allow staff, sound-isolating sponge is provided with for isolating extraneous noise at helmet body inner surface edge place, it is inner that this sound-isolating sponge can be arranged on helmet body in many ways, and namely the sound-isolating sponge of one deck also can be arranged in the top layer of helmet body inner surface.
As can be seen from the above description, the application's the above embodiments achieve following technique effect:
The present invention is by accessing in helmet body by fault audio signal, by power amplifier module 30 by fault audio signal amplify, more clear through filtration module 40 filtered signal, accelerate cable fault seek rate, for the repairing of broken road saves a large amount of time further.
The present invention adopts Multiple techniques means to process fault audio signal, namely amplified by power amplifier, rectifier filtering and sound-isolating sponge is set on helmet body, overcome audiphone of the prior art can because ambient noise too much, too large and cause the drawback on progress of work impact.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a helmet, is characterized in that, comprising:
Helmet body, the public address module (60) described helmet body being provided with power module (10), the power amplifier module (30) be electrically connected with described power module (10), the filtration module (40) be electrically connected with described power amplifier module (30) and being electrically connected with described filtration module (40);
Described power amplifier module is connected with audio signal input end (70).
2. the helmet according to claim 1, is characterized in that, described power module (10) comprises rechargeable battery.
3. the helmet according to claim 2, is characterized in that, described helmet body is also provided with the switch (20) controlling described rechargeable battery.
4. the helmet according to claim 3, is characterized in that, described switch (20) is arranged between described power module (10) and described power amplifier module (30).
5. the helmet according to claim 1, is characterized in that, described power amplifier module (30) comprises audio signal amplifier.
6. the helmet according to claim 1, is characterized in that, described filtration module (40) comprises rectifier.
7. the helmet according to claim 1, is characterized in that, described public address module (60) comprises loudspeaker.
8. the helmet according to claim 1, is characterized in that, described helmet body is also provided with indicator light (50).
9. the helmet according to claim 8, is characterized in that, described indicator light (50) is arranged between described filtration module (40) and described public address module (60).
10. the helmet according to claim 1, is characterized in that, described helmet body inner surface edge place is provided with sound-isolating sponge.
11. helmets according to claim 1, is characterized in that, described helmet body inner surface is provided with one deck sound-isolating sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510290602.XA CN104902398A (en) | 2015-05-29 | 2015-05-29 | Helmet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510290602.XA CN104902398A (en) | 2015-05-29 | 2015-05-29 | Helmet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104902398A true CN104902398A (en) | 2015-09-09 |
Family
ID=54034746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510290602.XA Pending CN104902398A (en) | 2015-05-29 | 2015-05-29 | Helmet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104902398A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034267A (en) * | 1987-11-19 | 1989-07-26 | 同济大学 | Narrow frequency band supersonic leak detector |
| CN2466669Y (en) * | 2001-02-19 | 2001-12-19 | 刘世春 | Multifunctional electric cable failure detector |
| CN201464598U (en) * | 2009-06-11 | 2010-05-12 | 程刚 | Concealed cable fault detector |
| CN203502545U (en) * | 2013-10-25 | 2014-03-26 | 湖南工程学院 | Cable fault detector |
| CN103954868A (en) * | 2014-05-12 | 2014-07-30 | 国家电网公司 | Converter transformer fault detection device based on LABVIEW and voice frequency analysis |
| CN204652650U (en) * | 2015-05-29 | 2015-09-16 | 国家电网公司 | The helmet |
-
2015
- 2015-05-29 CN CN201510290602.XA patent/CN104902398A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1034267A (en) * | 1987-11-19 | 1989-07-26 | 同济大学 | Narrow frequency band supersonic leak detector |
| CN2466669Y (en) * | 2001-02-19 | 2001-12-19 | 刘世春 | Multifunctional electric cable failure detector |
| CN201464598U (en) * | 2009-06-11 | 2010-05-12 | 程刚 | Concealed cable fault detector |
| CN203502545U (en) * | 2013-10-25 | 2014-03-26 | 湖南工程学院 | Cable fault detector |
| CN103954868A (en) * | 2014-05-12 | 2014-07-30 | 国家电网公司 | Converter transformer fault detection device based on LABVIEW and voice frequency analysis |
| CN204652650U (en) * | 2015-05-29 | 2015-09-16 | 国家电网公司 | The 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150909 |
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| RJ01 | Rejection of invention patent application after publication |