CN106375883B - Intercom system of transmission line inspection operation helicopter - Google Patents
Intercom system of transmission line inspection operation helicopter Download PDFInfo
- Publication number
- CN106375883B CN106375883B CN201610951229.2A CN201610951229A CN106375883B CN 106375883 B CN106375883 B CN 106375883B CN 201610951229 A CN201610951229 A CN 201610951229A CN 106375883 B CN106375883 B CN 106375883B
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- push rod
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- 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 of a helicopter for power transmission line patrol operation, which comprises a plurality of pairs of headsets, a voice receiver and a voice transmitter, wherein each headset comprises a microphone and an earphone, the output end of each headset microphone is connected with the input end of the voice receiver, the input end of the voice receiver is connected with the input end of the voice transmitter, the output end of the voice transmitter is connected with the input end of each headset earphone, and a press switch is arranged between the output end of each microphone and the input end of the voice receiver. The push switch is arranged between the output end of the microphone and the input end of the voice receiver, and before the push switch is not pushed, the output end of the microphone is disconnected with the input end of the voice receiver, namely, external noise cannot enter an earphone of the intercom system through the microphone and form interference; the method and the device have the advantages that the interference of wind noise is avoided, the call quality is guaranteed, the matching efficiency of the line patrol operation of the helicopter is improved, and the safety of the line patrol operation of the helicopter is enhanced.
Description
Technical Field
The invention relates to an intercom system of a helicopter for line patrol operation of a power transmission line.
Background
High-voltage power transmission is a mode of transmitting the voltage output by a generator after boosting the voltage through a transformer for a power plant. The reason for transmitting power in this way is that in the case of power transmitted simultaneously, the higher the voltage, the smaller the current, so that high-voltage transmission can reduce the current during power transmission, thereby reducing the heat loss due to the current and reducing the material cost for long-distance transmission. Because high-voltage transmission line has higher voltage and requires very high to the factor of safety of installation environment, therefore high-voltage transmission line generally erects in the place of comparison remote, for example: in the field, hillsides, mountains and other places which are rarely encountered, but the supervision of the high-voltage transmission line is inconvenient. At present, the line patrol operation of the power transmission line is generally carried out by using a helicopter, when the helicopter is used for line patrol operation, a cabin of the helicopter is in an open state, and an inspector visually observes the condition of the power transmission line through the cabin, so that the line patrol operation is completed.
In the line patrol operation process, a pilot can adopt an onboard intercom system to carry out conversation communication with an air pipe, a large amount of air convection wind noise is transmitted into a microphone of a visual inspector on one side opened in a cabin during flight operation, formed high-decibel noise is transmitted to all receivers in the aircraft through the intercom system, conversation communication between the pilot and the air pipe is influenced, normal operation, conversation and cooperation of the pilot and the visual inspector are also influenced, if the microphone of the visual inspector is blocked to avoid wind noise, the communication between the visual inspector, the infrared inspector and the pilot is completely interrupted, and line patrol operation efficiency and safety management and control are seriously influenced by the two conditions.
Disclosure of Invention
The invention aims to provide an intercom system of a helicopter for line patrol operation of a power transmission line, which can avoid the influence of air convection and wind noise, so that the communication quality in the helicopter and the matching efficiency of the line patrol operation are improved, and the safety of the line patrol operation of the helicopter is enhanced.
In order to achieve the purpose, the invention adopts the technical scheme that:
an intercom system of a helicopter for line patrol operation of a power transmission line comprises a plurality of pairs of earphones, a voice receiver and a voice transmitter, wherein each earphone comprises a microphone and an earphone, the output end of the earphone microphone is connected with the input end of the voice receiver, the input end of the voice receiver is connected with the input end of the voice transmitter, the output end of the voice transmitter is connected with the input end of the earphone, and a press switch is arranged between the output end of the microphone and the input end of the voice receiver;
the push switch comprises a switch shell, an insulating push rod, a metal guide rod and a pair of wiring contacts, wherein the diameter of the insulating push rod is larger than that of the metal guide rod, an axial hole for accommodating the insulating push rod is formed in the upper end face of the switch shell, the upper end of the metal guide rod is fixed at the lower end of the insulating push rod, a cavity with the diameter smaller than that of the axial hole is formed right below the metal guide rod in the switch shell, one ends of the pair of wiring contacts oppositely and horizontally extend into the cavity and are separated from each other, the other ends of the pair of wiring contacts respectively extend out of the switch shell, and the other ends of the pair of wiring contacts are respectively connected with the output end of a microphone and the input end of a voice receiver;
the metal guide rod is sleeved with an elastic part, and is separated from one end of the pair of wiring contacts under the action of the elastic part before downward pressure is applied to the insulating push rod; after the insulating push rod is pressed downwards, the metal guide rod moves downwards and is inserted into the concave cavity, and one ends of the pair of wiring contacts are conducted, so that the output end of the microphone is conducted with the input end of the voice receiver.
The invention is provided with a press switch between the output end of the microphone and the input end of the voice receiver, before the press switch is not pressed, the output end of the microphone is disconnected with the input end of the voice receiver, namely, external noise cannot enter the earphone of the intercom system through the microphone and form interference. When the user needs to talk, the user presses the press switch to enable the output end of the microphone to be connected with the input end of the voice receiver, the user can talk at the moment, other users can listen to the voice through the earphone, the microphones of other users cannot talk due to the fact that the microphone of the other users does not press the east switch, external noise cannot be transmitted to the earphone of all the users through the microphones of the other users, and noise interference cannot be formed. Therefore, the interference of air flow noise is avoided, and the communication quality is ensured.
Furthermore, the other ends of the pair of wiring contacts extend out of the bottom of the switch shell, a wiring tube seat is fixed at the bottom of the switch shell, and the other ends of the wiring contacts extend out of the wiring tube seat. The wiring tube seat is arranged, so that the wiring is tidy and convenient to manage, and the wiring contact is prevented from being exposed outside and damaged.
Furthermore, the insulating push rod comprises an insulating plug and an insulating rod, the lower end of the insulating rod is fixed on the insulating plug, the upper end of the insulating rod extends out of the switch shell, a pressing cap is arranged at the upper end of the insulating rod, the insulating plug is arranged in the axial hole, and the upper portion of the metal guide rod is fixed at the lower end of the insulating plug.
As an improvement of the invention, the elastic element is a metal sleeve, the metal sleeve comprises a plurality of metal flaps and a metal bottom plate, the lower ends of the metal flaps are respectively fixed on the outer edge of the bottom plate along the same circumferential direction, the upper ends of the metal flaps are inclined outwards relative to the lower ends, and the metal sleeve is sleeved on the lower ends of the metal guide rods; before the downward pressure is given to the insulating push rod, the lower end face of the metal sleeve is separated from one end of the pair of wiring contacts; after the insulating push rod is pressed downwards, the metal guide rod moves downwards and is inserted into the concave cavity, the lower end face of the metal sleeve is made to be in contact with one end of the pair of wiring contacts, and one end of the pair of wiring contacts is conducted. The metal sleeve is in a combined form of the metal flap and the metal bottom plate, so that the metal sleeve is like a full flower shape, and cannot be inserted into the concave cavity to be contacted with one end of the pair of wiring contacts under the action of the metal flap before downward pressure is applied to the insulating push rod; after the downward pressure is given to the insulating push rod, the metal sleeve is inserted into the concave cavity and is in contact with one end of the pair of wiring contacts, so that one end of the pair of wiring contacts is conducted, meanwhile, the metal flap of the metal sleeve contracts under the action of the concave cavity to generate elastic deformation, and after the downward pressure of the insulating push rod is removed, the metal flap recovers the elastic deformation to push the metal sleeve away from the concave cavity, so that one end of the pair of wiring contacts is disconnected.
Further, the metal kit is made of a copper-containing material. The copper-containing material has good conductivity, and can ensure that one end of the pair of wiring contacts is well conducted.
The elastic element is a spring, the spring is sleeved on the metal guide rod, the upper end of the spring is abutted against the bottom surface of the insulating push rod, the lower end of the spring is abutted against the transition surface of the concave cavity together with the axial hole, and the lower end surface of the metal guide rod is separated from one end of the pair of wiring contacts before downward pressure is applied to the insulating push rod; after the insulating push rod is pressed downwards, the metal guide rod moves downwards to compress the spring and then is inserted into the concave cavity, so that the lower end face of the metal guide rod is contacted with one end of the pair of wiring contacts, and one end of the pair of wiring contacts is conducted. After the downward pressure of the insulation push rod is removed, the spring restores elastic deformation so as to push the metal guide rod away from the concave cavity, and one end of the pair of wiring contacts is disconnected.
Compared with the prior art, the invention has the following advantages:
the push switch is arranged between the output end of the microphone and the input end of the voice receiver, and before the push switch is not pushed, the output end of the microphone is disconnected with the input end of the voice receiver, namely, external noise cannot enter an earphone of the intercom system through the microphone and form interference; the method and the device have the advantages that the interference of wind noise is avoided, the call quality is guaranteed, the matching efficiency of the line patrol operation of the helicopter is improved, and the safety of the line patrol operation of the helicopter is enhanced.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a cross-sectional view of a push switch according to an embodiment of the present invention;
FIG. 3 is a perspective view of an elastic member of a push switch according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a cross-sectional view of a second push switch in accordance with an embodiment of the present invention.
Detailed Description
The invention is described below in conjunction with the figures and the detailed description the contents of the invention are explained in further detail.
Example one
Referring to fig. 1, 2, 3 and 4, the intercom system of the helicopter for line patrol operation in electric transmission line shown in fig. 1, 2, 3 and 4 is a first embodiment of the present invention, and includes a plurality of pairs of headsets 1, a voice receiver 2 and a voice transmitter 3; the headset 1 comprises a microphone 11 and an earphone 12, the output end of the microphone 11 of the headset 1 is connected with the input end of the voice receiver 2, the input end of the voice receiver 2 is connected with the input end of the voice transmitter 3, the output end of the voice transmitter 3 is connected with the input end of the earphone 12 of the headset 1, and a press switch 4 is arranged between the output end of the microphone 11 and the input end of the voice receiver 2.
The push switch 4 comprises a switch shell 41, an insulating push rod 42, a metal guide rod 43 and a pair of wiring contacts 44, wherein the diameter of the insulating push rod 42 is larger than that of the metal guide rod 43, an axial hole 411 for accommodating the insulating push rod 42 is formed in the upper end face of the switch shell 41, the upper end of the metal guide rod 43 is fixed at the lower end of the insulating push rod 42, a cavity 412 with the diameter smaller than that of the axial hole 411 is formed in the switch shell 41 right below the metal guide rod 43, one ends of the pair of wiring contacts 44 oppositely and horizontally extend into the cavity 412 and are mutually separated, the other ends of the pair of wiring contacts 44 respectively extend out of the switch shell 41, and the other ends of the pair of wiring contacts 44 are respectively connected with the output end of the microphone 11 and the input end of the voice receiver 2; the metal guide rod 43 is sleeved with an elastic part, and before the insulating push rod is pressed downwards, the metal guide rod 43 is separated from one end of the pair of wiring contacts 44 under the action of the elastic part; after the insulating push rod is pressed downward, the metal guide rod 43 is moved downward and inserted into the cavity 412 to make one end of the pair of connection contacts 44 conductive, so that the output end of the microphone 11 is conductive with the input end of the voice receiver 2.
The invention is provided with a press switch between the output end of the microphone and the input end of the voice receiver, before the press switch is not pressed, the output end of the microphone is disconnected with the input end of the voice receiver, namely, external noise cannot enter the earphone of the intercom system through the microphone and form interference. When the user needs to talk, the user presses the press switch to enable the output end of the microphone to be connected with the input end of the voice receiver, the user can talk at the moment, other users can listen to the voice through the earphone, the microphones of other users cannot talk due to the fact that the microphone of the other users does not press the east switch, external noise cannot be transmitted to the earphone of all the users through the microphones of the other users, and noise interference cannot be formed. Therefore, the interference of airflow wind noise and noise is avoided, and the communication quality is guaranteed.
In one embodiment of the present invention, the other end of the pair of wiring contacts 44 extends from the bottom of the switch housing, a wiring socket 48 is fixed to the bottom of the switch housing 41, and the other end of the wiring contacts 44 extends into the wiring socket 48. The wiring tube seat is arranged, so that the wiring can be neatly and conveniently managed, and the wiring contact is prevented from being exposed to the outside and damaged.
The insulation push rod 42 comprises an insulation plug 422 and an insulation rod 421, the lower end of the insulation rod 421 is fixed on the insulation plug 422, the upper end of the insulation rod 421 extends out of the switch shell 41, the upper end of the insulation rod 421 is provided with a pressing cap 46, the insulation plug 422 is arranged in the axial hole 411, and the upper part of the metal guide rod 43 is fixed at the lower end of the insulation plug 422.
In this embodiment, the elastic element is a metal sleeve 45, the metal sleeve 45 includes a plurality of metal flaps 451 and a metal bottom plate 452, lower ends of the plurality of metal flaps 451 are respectively fixed to an outer edge of the bottom plate 452 along a same circumferential direction, upper ends of the metal flaps 451 are inclined outward relative to the lower ends, and the metal sleeve 45 is sleeved on a lower end of the metal guide rod 43; the lower end surface of the metal sleeve 45 is spaced from one end of the pair of wiring contacts 44 before downward pressure is given to the insulating rod; after the insulating push rod is pressed downwards, the metal guide rod 43 moves downwards to be inserted into the cavity 412, so that the lower end surface of the metal sleeve 45 is contacted with one end of the pair of wiring contacts 44, and one end of the pair of wiring contacts 44 is conducted.
The metal sleeve is in a combined form of the metal flap and the metal bottom plate, so that the metal sleeve is like a full flower shape, and cannot be inserted into the concave cavity to be contacted with one end of the pair of wiring contacts under the action of the metal flap before downward pressure is applied to the insulating push rod; after the downward pressure is given to the insulating push rod, the metal sleeve is inserted into the concave cavity and is in contact with one end of the pair of wiring contacts, so that one end of the pair of wiring contacts is conducted, meanwhile, the metal flap of the metal sleeve contracts under the action of the concave cavity to generate elastic deformation, and after the downward pressure of the insulating push rod is removed, the metal flap recovers the elastic deformation to push the metal sleeve away from the concave cavity, so that one end of the pair of wiring contacts is disconnected.
In the present embodiment, the metal sleeve 45 is made of a copper-containing material. The copper-containing material has good conductivity, and can ensure that one end of the pair of wiring contacts is well conducted.
Example two
Referring to fig. 1 and 5, the intercom system of the helicopter for line patrol operation of power transmission line shown in fig. 1 and 5 is a second embodiment of the present invention, and is different from the first embodiment in that the elastic element is a spring 47, the spring 47 is sleeved on the metal guide rod 43, the upper end of the spring 43 is abutted against the bottom surface of the insulating push rod 42, the lower end and the axial hole 411 are abutted against the transition surface of the cavity 412, and before downward pressure is applied to the insulating push rod 42, the lower end surface of the metal guide rod 43 is separated from one end of the pair of wiring contacts 4; after the insulating push rod 42 is pressed downwards, the metal guide rod 43 moves downwards to compress the spring 47 and then is inserted into the cavity 412, so that the lower end surface of the metal guide rod 43 is contacted with one end of the pair of wiring contacts 44, and one end of the pair of wiring contacts 44 is conducted. After the downward pressure of the insulating push rod is released, the spring restores elastic deformation to push the metal guide rod away from the concave cavity, so that one end of the pair of wiring contacts is disconnected.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a transmission line patrols intercom system of line operation helicopter which characterized in that: the headset comprises a plurality of pairs of headsets, a voice receiver and a voice transmitter, wherein the headsets comprise microphones and earphones, the output ends of the headsets are connected with the input ends of the voice receiver, the input ends of the voice receiver are connected with the input ends of the voice transmitter, the output ends of the voice transmitter are connected with the input ends of the headsets, and a press switch is arranged between the output ends of the microphones and the input ends of the voice receiver;
the pressing switch comprises a switch shell, an insulating push rod, a metal guide rod and a pair of wiring contacts, wherein the diameter of the insulating push rod is larger than that of the metal guide rod, an axial hole for accommodating the insulating push rod is formed in the upper end face of the switch shell, the upper end of the metal guide rod is fixed at the lower end of the insulating push rod, a cavity with the diameter smaller than that of the axial hole is formed right below the metal guide rod in the switch shell, one ends of the pair of wiring contacts relatively horizontally extend into the cavity and are separated from each other, the other ends of the pair of wiring contacts respectively extend out of the switch shell, and the other ends of the pair of wiring contacts are respectively connected with the output end of a microphone and the input end of a voice receiver;
the metal guide rod is sleeved with an elastic part, and is separated from one end of the pair of wiring contacts under the action of the elastic part before downward pressure is applied to the insulating push rod; after the insulating push rod is pressed downwards, the metal guide rod moves downwards and is inserted into the concave cavity, and one ends of the pair of wiring contacts are conducted, so that the output end of the microphone is conducted with the input end of the voice receiver.
2. The intercom system of the helicopter for line patrol operation of electric transmission line according to claim 1, characterized in that: the other ends of the pair of wiring contacts extend out of the bottom of the switch shell, a wiring tube seat is fixed at the bottom of the switch shell, and the other ends of the wiring contacts extend out of the wiring tube seat.
3. The intercom system of transmission line patrol operation helicopter of claim 1, characterized in that: the insulating push rod comprises an insulating plug and an insulating rod, the lower end of the insulating rod is fixed on the insulating plug, the upper end of the insulating rod extends out of the switch shell, a pressing cap is arranged at the upper end of the insulating rod, the insulating plug is arranged in the axial hole, and the upper portion of the metal guide rod is fixed at the lower end of the insulating plug.
4. The intercom system of the helicopter for line patrol operation of electric transmission line according to claim 1, characterized in that: the elastic component is a metal sleeve which comprises a plurality of metal flaps and a metal bottom plate, the lower ends of the metal flaps are respectively fixed on the outer edge of the bottom plate along the same circumferential direction, the upper ends of the metal flaps are inclined outwards relative to the lower ends, and the metal sleeve is sleeved at the lower ends of the metal guide rods; before downward pressure is given to the insulating push rod, the lower end face of the metal sleeve is separated from one end of the pair of wiring contacts; after the insulating push rod is pressed downwards, the metal guide rod moves downwards and is inserted into the concave cavity, the lower end face of the metal sleeve is made to be in contact with one end of the pair of wiring contacts, and one end of the pair of wiring contacts is conducted.
5. The intercom system of transmission line patrol operation helicopter of claim 4, characterized in that: the metal kit is made of a copper-containing material.
6. The intercom system of the helicopter for line patrol operation of electric transmission line according to claim 1, characterized in that: the elastic component is a spring, the spring is sleeved on the metal guide rod, the upper end of the spring is abutted against the bottom surface of the insulating push rod, the lower end of the spring is abutted against the transition surface of the concave cavity, and the lower end surface of the metal guide rod is separated from one end of the pair of wiring contacts before downward pressure is applied to the insulating push rod; after the insulating push rod is pressed downwards, the metal guide rod moves downwards to compress the spring and then is inserted into the concave cavity, so that the lower end face of the metal guide rod is contacted with one end of the pair of wiring contacts, and one end of the pair of wiring contacts 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 CN106375883A (en) | 2017-02-01 |
| CN106375883B true CN106375883B (en) | 2022-11-22 |
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| 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 |
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| Country | Link |
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| 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 |
|---|
| "新型按动开关";王卫;《机床电器》;19940415;第44页 * |
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