CN106375883A - Intercom system for transmission line patrol helicopter - Google Patents
Intercom system for transmission line patrol helicopter Download PDFInfo
- Publication number
- CN106375883A CN106375883A CN201610951229.2A CN201610951229A CN106375883A CN 106375883 A CN106375883 A CN 106375883A CN 201610951229 A CN201610951229 A CN 201610951229A CN 106375883 A CN106375883 A CN 106375883A
- Authority
- CN
- China
- Prior art keywords
- metal
- guide rod
- push rod
- line contact
- microphone
- Prior art date
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
Abstract
The invention discloses an intercom system for a transmission line patrol helicopter. The intercom system comprises a plurality of headsets, a speech receiver and a speech transmitter. Each headset comprises a microphone and an earphone, wherein the output end of the microphone of the headset is connected with the input end of the speech receiver. The input end of the speech receiver is connected with the input end of the speech transmitter. The output end of the speech transmitter is connected with the input end of the earphone of the headphone. A press switch is arranged between the output end of the microphone and the input end of the speech receiver. According to the invention, the press switch is arranged between the output end of the microphone and the input end of the speech receiver; before the press switch is pressed, the output end of the microphone is disconnected from the input end of the speech receiver; external noise cannot enter the earphone of the intercom system through the microphone to form interference; the interference of wind noise is avoided, and the call quality is ensured; the coordination efficiency of the line patrol of the helicopter is improved; and the safety of the line patrol of the helicopter is enhanced.
Description
Technical field
The present invention relates to a kind of intercom system of power transmission line inspection operation helicopter.
Background technology
High voltage power transmission is a kind of mode of transmission after the boost in voltage being exported electromotor by generating house transformer.It
So adopting transmission of electricity to be in this way because that, in the case of same transmitted power, voltage more high current is less, such high pressure is defeated
Electricity just can reduce electric current during transmission of electricity thus reducing the thermal losses because electric current produces and the material cost reducing long distance power transmission.By
In ultra-high-tension power transmission line, there is higher voltage and safety coefficient very high, the therefore ultra-high-tension power transmission line one of requirement to installation environment
As be all to be erected at the remote place of comparison, for example: the unfrequented place such as field, hillside, high mountain, but this also give high pressure defeated
The supervision of electric line brings inconvenience.The walking operation of current power transmission circuit generally uses helicopter to be carried out, and is entered using helicopter
During row walking operation, the cabin of helicopter is in open mode, and visual inspector passes through the situation that cabin observes transmission line of electricity, from
And complete walking operation.
During walking operation, pilot can be engaged in the dialogue communication using airborne intercom system and blank pipe, flight operation
When the side opened of opening the cabin have large quantity of air convection current wind to make an uproar to be passed to the microphone of visual inspector, the high-decibel noise of formation passes through
Intercom system is transferred to each receiver in machine, and the not only dialogue of interference effect pilot and blank pipe is linked up, also interference effect
The normal operation of pilot and visual inspector, call and cooperation, block visual line attendant if avoiding the noisy sound of wind
Microphone, will make the operation communication exchange between visual line attendant and infrared inspector and pilot interrupt completely, above two
Situation all can cause to walking operation efficiency and security management and control and have a strong impact on.
Content of the invention
It is an object of the invention to provide a kind of be avoided that cross-ventilation wind is made an uproar the power transmission line inspection operation helicopter of impact
Intercom system, to improve the cooperation efficiency of the speech quality in helicopter and walking operation, and strengthen helicopter walking operation
Safety.
For achieving the above object, the present invention adopts the technical scheme that:
A kind of intercom system of power transmission line inspection operation helicopter, it include some to headset, voice receiver and
Speech transmitting, headset includes microphone and earphone, and the outfan of headset microphone is connected with the input of voice receiver, and voice connects
The input receiving device is connected with the input of speech transmitting, and the outfan of speech transmitting is connected with the input of headset earphone
Connect, between the outfan of microphone and the input of voice receiver, be provided with Push switch；
Push switch includes switch case, insulation push rod, metal guide rod and a butted line contact, the diameter of insulation push rod
Bigger than the diameter of metal guide rod, switch case upper surface has the axial hole for housing insulation push rod, and metal guide rod upper end is solid
It is scheduled on insulation push rod lower end, switch case has a diameter cavity less than axial bore dia in the underface of metal guide rod, a pair
Relatively to flatly reaching in cavity and being spaced from each other, the other end of a butted line contact stretches out respectively for one end of wiring contact
To outside switch housing, the other end of a butted line contact is connected with the outfan of microphone and the input of voice receiver respectively；
Elastomeric element is cased with metal guide rod, before giving insulation push rod downward pressure, metal guide rod is made in elastomeric element
It is spaced with lower one end with a butted line contact；After giving insulation push rod downward pressure, metal guide rod moves down and is inserted into
Cavity is interior and so that one end of a butted line contact is conducted, so that the input phase of the outfan of microphone and voice receiver
Conducting.
The present invention is provided with Push switch between the outfan and the input of voice receiver of microphone, presses in no pressing
Before switch, the outfan of microphone and the input of voice receiver disconnect, and that is to say that the noise of outside cannot pass through
Microphone enters the earphone of intercom system and forms interference.When user of service needs speech, user of service's pressing is pressed out
Closing makes the outfan of microphone be connected with the input of voice receiver, and now user of service can be talked, and other make
Can be listened to by earphone with personnel, and the microphone of other users of service switchs so cannot talk due to not pressing peace east, outward
The noise in portion cannot be traveled in proprietary earphone by the microphone of other users of service, that is to say that cannot form noise does
Disturb.Thus not only having avoided the interference of the noisy sound of air-flow wind but also having ensured speech quality.
Further, the other end of the pair of wiring contact stretches out from switch housing bottom, and switch housing bottom is fixed
There is wiring base, the other end of wiring contact reaches in wiring base.It is provided with wiring base and both can ensure that wiring neatly side
Just manage, avoid wiring contact exposed outside and damaged again.
Further, described insulation push rod includes insulating plug and insulating bar, the lower end of insulating bar is fixed on insulating plug, on
End reaches outside switch case, and the upper end of insulating bar is provided with by cap, and insulating plug is placed in axial in the hole, and metal guide rod top is fixed on
Insulating plug lower end.
As a modification of the present invention, described flexible member is metal external member, and metal external member includes several metal lobes
Piece and metal base plate, several same circumferencial directions of metal limb lower end edge are separately fixed in the outer rim of base plate, metal limb
Upper end outward-dipping with respect to lower end, metal external member is enclosed within the lower end of metal guide rod；Before giving insulation push rod downward pressure,
One end of the lower surface of metal external member and a butted line contact is spaced；Give insulate push rod downward pressure after, metal guide rod to
Lower movement is inserted in cavity and so that the lower surface of metal external member is contacted with one end of a butted line contact, by a butted line
One end of contact is conducted.Metal external member is in the form of metal limb and metal base plate combination so that metal external member picture is bloomed
Flower shape, give insulate push rod downward pressure before, metal external member cannot inject in the presence of metal limb in cavity with
One end of one butted line contact contacts；After giving insulation push rod downward pressure, metal external member is inserted in cavity and docks with one
One end of line contact contacts and so that one end of a butted line contact is conducted, meanwhile the metal limb of metal external member exists
Shrink in the presence of cavity and produce elastic deformation, after the downward pressure of revocation insulation push rod, metal limb recovers elastic deformation
Thus metal external member is pushed away cavity, and one end phase of a butted line contact is disconnected.
Further, described metal external member is made up of copper-bearing materials.Copper-bearing materials conduct electricity very well, and can guarantee that a butted line
One end of contact well turns on.
As a modification of the present invention, described flexible member be spring, spring housing on metal guide rod, the upper end of spring
Push rod bottom surface is inconsistent, the transition face of lower end and axial hole and cavity is inconsistent with insulation, is giving insulation push rod downward pressure
Before, one end of the lower surface of metal guide rod and a butted line contact is spaced；After giving insulation push rod downward pressure, metal guide rod
It is inserted into after moving down compression spring in cavity and so that the lower surface of metal guide rod is connected with one end of a butted line contact
Touch, one end of a butted line contact is conducted.Revocation insulation push rod downward pressure after, spring recover elastic deformation thus
Metal guide rod is pushed away cavity, and one end phase of a butted line contact is disconnected.
Compared with prior art, the invention has the advantages that
The present invention is provided with Push switch between the outfan and the input of voice receiver of microphone, presses in no pressing
Before switch, the outfan of microphone and the input of voice receiver disconnect, and that is to say that the noise of outside cannot pass through
Microphone enters the earphone of intercom system and forms interference；Not only avoided the interference of the noisy sound of wind but also ensured speech quality, improve
The cooperation efficiency of helicopter walking operation, and strengthen the safety of helicopter walking operation.
Brief description
Fig. 1 is the structure chart of the present invention；
Fig. 2 is the sectional view of the embodiment of the present invention one Push switch；
Fig. 3 is the axonometric chart of the elastomeric element of the embodiment of the present invention one Push switch；
Fig. 4 is the sectional view of Fig. 3；
Fig. 5 is the sectional view of the embodiment of the present invention two Push switch.
Specific embodiment
With reference to the accompanying drawings and detailed description present disclosure is described in further details.
Embodiment one
Refer to the intercom system of the power transmission line inspection operation helicopter shown in Fig. 1,2,3 and 4, Fig. 1,2,3 and 4
For embodiments of the invention one, it include some to headset 1, voice receiver 2 and speech transmitting 3；Headset 1 includes microphone
11 and earphone 12, the outfan of headset 1 microphone 11 is connected with the input of voice receiver 2, the input of voice receiver 2 with
The input of speech transmitting 3 connects, and the outfan of speech transmitting 3 is connected with the input of headset 1 earphone 12, microphone 11
It is provided with Push switch 4 between the input of outfan and voice receiver 2.
Push switch 4 includes switch case 41, insulation push rod 42, metal guide rod 43 and a butted line contact 44, insulation
The diameter of push rod 42 is bigger than the diameter of metal guide rod 43, and switch case 41 upper surface has the axial direction for housing insulation push rod 42
Hole 411, metal guide rod 43 upper end is fixed on insulation push rod 42 lower end, and switch case 41 has directly in the underface of metal guide rod 43
To the little cavity 412 of hole 411 diameter, one end of a butted line contact 44 is relatively to flatly reaching in cavity 412 for diameter ratio shaft
And be spaced from each other, the other end of a butted line contact 44 reaches outside switch housing 41 respectively, a butted line contact 44 another
End is connected with the outfan of microphone 11 and the input of voice receiver 2 respectively；It is cased with elastomeric element on metal guide rod 43, giving
Before giving insulation push rod downward pressure, metal guide rod 43 is spaced with one end of a butted line contact 44 under elastomeric element effect；
After giving insulation push rod downward pressure, metal guide rod 43 moves down and is inserted in cavity 412 and makes a butted line contact 44
One end is conducted, so that the input of the outfan of microphone 11 and voice receiver 2 is conducted.
The present invention is provided with Push switch between the outfan and the input of voice receiver of microphone, presses in no pressing
Before switch, the outfan of microphone and the input of voice receiver disconnect, and that is to say that the noise of outside cannot pass through
Microphone enters the earphone of intercom system and forms interference.When user of service needs speech, user of service's pressing is pressed out
Closing makes the outfan of microphone be connected with the input of voice receiver, and now user of service can be talked, and other make
Can be listened to by earphone with personnel, and the microphone of other users of service switchs so cannot talk due to not pressing peace east, outward
The noise in portion cannot be traveled in proprietary earphone by the microphone of other users of service, that is to say that cannot form noise does
Disturb.Thus not only having avoided the interference of the noisy sound of air-flow wind but also having ensured speech quality.
In one embodiment of the invention, the other end of a butted line contact 44 stretches out from switch housing bottom, switch
Shell 41 bottom is fixed with wiring base 48, and the other end of wiring contact 44 reaches in wiring base 48.It is provided with wiring base
Both can ensure that wiring neatly facilitated management, and avoided wiring contact exposed outside and damaged again.
Insulation push rod 42 includes insulating plug 422 and insulating bar 421, the lower end of insulating bar 421 is fixed on insulating plug 422,
Upper end reaches outside switch case 41, and the upper end of insulating bar 421 is provided with by cap 46, and insulating plug 422 is placed in axial hole 411, gold
Belong to guide rod 43 top and be fixed on insulating plug 422 lower end.
In the present embodiment, flexible member is metal external member 45, and metal external member 45 includes several metal limbs 451 and gold
Belong to base plate 452, several same circumferencial directions of metal limb 451 lower end edge are separately fixed in the outer rim of base plate 452, metal lobe
The upper end of piece 451 is outward-dipping with respect to lower end, and metal external member 45 is enclosed within the lower end of metal guide rod 43；Give insulate push rod to
Before lower pressure, one end of the lower surface of metal external member 45 and a butted line contact 44 is spaced；Give the push rod downward pressure that insulate
Afterwards, metal guide rod 43 moves down the lower surface being inserted in cavity 412 and making metal external member 45 and a butted line contact 44
One end contact, one end of a butted line contact 44 is conducted.
Metal external member using metal limb and metal base plate combination in the form of so that metal external member is as blooming flower piece shape,
Before giving insulation push rod downward pressure, metal external member cannot inject in the presence of metal limb in cavity and touch with a butted line
One end of point contacts；After giving insulation push rod downward pressure, metal external member is inserted in cavity with a butted line contact
End contacts and so that one end of a butted line contact is conducted, meanwhile the metal limb of metal external member is in the effect of cavity
Lower contraction produces elastic deformation, and after the downward pressure of revocation insulation push rod, metal limb recovers elastic deformation thus by metal
External member pushes away cavity, and one end phase of a butted line contact is disconnected.
In this embodiment, metal external member 45 is made up of copper-bearing materials.Copper-bearing materials conduct electricity very well, and can guarantee that a butted line
One end of contact well turns on.
Embodiment two
Refer to Fig. 1 and Fig. 5, the intercom system of the power transmission line inspection operation helicopter shown in Fig. 1 and Fig. 5 is the present invention
Embodiment two,, from unlike embodiment one, flexible member is spring 47, and spring 47 is enclosed within metal guide rod 43, spring for it
43 upper end is inconsistent with insulation push rod 42 bottom surface, lower end and axial hole 411 are inconsistent with the transition face of cavity 412, is giving
Before insulation push rod 42 downward pressure, one end of the lower surface of metal guide rod 43 and a butted line contact 4 is spaced；Give insulation to push away
After bar 42 downward pressure, metal guide rod 43 is inserted into after moving down compression spring 47 in cavity 412 and makes metal guide rod 43
Lower surface contact with one end of a butted line contact 44, one end of a butted line contact 44 is conducted.In revocation insulation
After the downward pressure of push rod, spring recovers elastic deformation thus metal guide rod is pushed away cavity, and makes a butted line contact
One end phase disconnects.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment simultaneously is not used to limit this
Bright the scope of the claims, all equivalence enforcements done without departing from the present invention or change, are intended to be limited solely by the scope of the claims of this case.
Claims (6)
1. a kind of intercom system of power transmission line inspection operation helicopter it is characterised in that: include some to headset, phonetic incepting
Device and speech transmitting, headset includes microphone and earphone, and the outfan of headset microphone is connected with the input of voice receiver,
The input of voice receiver is connected with the input of speech transmitting, the input of the outfan of speech transmitting and headset earphone
End connects, and is provided with Push switch between the outfan of microphone and the input of voice receiver；
Push switch includes switch case, insulation push rod, metal guide rod and a butted line contact, and the diameter of insulation push rod is than gold
The diameter belonging to guide rod is big, and switch case upper surface has the axial hole for housing insulation push rod, and metal guide rod upper end is fixed on
Insulation push rod lower end, switch case has the diameter cavity less than axial bore dia, a butted line in the underface of metal guide rod
Relatively to flatly reaching in cavity and being spaced from each other, the other end of a butted line contact reaches out respectively for one end of contact
Close outside shell, the other end of a butted line contact is connected with the outfan of microphone and the input of voice receiver respectively；
Elastomeric element is cased with metal guide rod, before giving insulation push rod downward pressure, metal guide rod is under elastomeric element effect
It is spaced with one end of a butted line contact；After giving insulation push rod downward pressure, metal guide rod moves down and is inserted into cavity
One end that is interior and making a butted line contact is conducted, so that the outfan of microphone is mutually led with the input of voice receiver
Logical.
2. power transmission line inspection operation helicopter according to claim 1 intercom system it is characterised in that: the pair of
The other end of wiring contact stretches out from switch housing bottom, and switch housing bottom is fixed with wiring base, wiring contact another
End reaches in wiring base.
3. power transmission line inspection operation helicopter according to claim 1 intercom system it is characterised in that: described insulation
Push rod includes insulating plug and insulating bar, and the lower end of insulating bar is fixed on insulating plug, upper end reaches outside switch case, insulating bar
Upper end be provided with by cap, insulating plug is placed in axial in the hole, and metal guide rod top is fixed on insulating plug lower end.
4. power transmission line inspection operation helicopter according to claim 1 intercom system it is characterised in that: described elasticity
Element is metal external member, and metal external member includes several metal limbs and metal base plate, and several metal limb lower end edges are same
Circumferencial direction is separately fixed in the outer rim of base plate, and the upper end of metal limb is outward-dipping with respect to lower end, and metal external member is enclosed within
The lower end of metal guide rod；Before giving insulation push rod downward pressure, one end of the lower surface of metal external member and a butted line contact
It is spaced；After giving insulation push rod downward pressure, metal guide rod moves down and is inserted in cavity and makes under metal external member
End face is contacted with one end of a butted line contact, and one end of a butted line contact is conducted.
5. power transmission line inspection operation helicopter according to claim 4 intercom system it is characterised in that: described metal
External member is made up of copper-bearing materials.
6. power transmission line inspection operation helicopter according to claim 1 intercom system it is characterised in that: described elasticity
Element is spring, spring housing on metal guide rod, push rod bottom surface is inconsistent for the upper end of spring and insulation, lower end and axial hole with recessed
The transition face in chamber is inconsistent, before the push rod downward pressure that gives to insulate, the one of the lower surface of metal guide rod and a butted line contact
End is spaced；After giving insulation push rod downward pressure, metal guide rod is inserted into after moving down compression spring in cavity and makes
The lower surface of metal guide rod is contacted with one end of a butted line contact, and one end of a butted line contact is conducted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951229.2A CN106375883B (en) | 2016-10-26 | 2016-10-26 | Intercom system of transmission line inspection operation helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951229.2A CN106375883B (en) | 2016-10-26 | 2016-10-26 | Intercom system of transmission line inspection operation helicopter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106375883A true CN106375883A (en) | 2017-02-01 |
| CN106375883B CN106375883B (en) | 2022-11-22 |
Family
ID=57894685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610951229.2A Active CN106375883B (en) | 2016-10-26 | 2016-10-26 | Intercom system of transmission line inspection operation helicopter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106375883B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2715429Y (en) * | 2004-07-12 | 2005-08-03 | 黄尚瑞 | Moisture proof intercom |
| CN101448034A (en) * | 2008-12-26 | 2009-06-03 | 符文剑 | PTT controller used in intercom headset |
| JP2010154436A (en) * | 2008-12-26 | 2010-07-08 | Kenwood Corp | Radio unit, radio communication system, and radio communication method |
| CN201967073U (en) * | 2011-01-21 | 2011-09-07 | 珠海市金海来科技有限公司 | Voice communication controller and communication system for positive pressure type air breathing apparatus |
| CN201985029U (en) * | 2011-04-22 | 2011-09-21 | 常州盛士达传感器有限公司 | Pressure switch |
| CN205584192U (en) * | 2016-05-14 | 2016-09-14 | 蓝玉 | Wireless intercom of vehicle station |
-
2016
- 2016-10-26 CN CN201610951229.2A patent/CN106375883B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2715429Y (en) * | 2004-07-12 | 2005-08-03 | 黄尚瑞 | Moisture proof intercom |
| CN101448034A (en) * | 2008-12-26 | 2009-06-03 | 符文剑 | PTT controller used in intercom headset |
| JP2010154436A (en) * | 2008-12-26 | 2010-07-08 | Kenwood Corp | Radio unit, radio communication system, and radio communication method |
| CN201967073U (en) * | 2011-01-21 | 2011-09-07 | 珠海市金海来科技有限公司 | Voice communication controller and communication system for positive pressure type air breathing apparatus |
| CN201985029U (en) * | 2011-04-22 | 2011-09-21 | 常州盛士达传感器有限公司 | Pressure switch |
| CN205584192U (en) * | 2016-05-14 | 2016-09-14 | 蓝玉 | Wireless intercom of vehicle station |
Non-Patent Citations (1)
| Title |
|---|
| 王卫: ""新型按动开关"", 《机床电器》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106375883B (en) | 2022-11-22 |
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