CN112423178B - Communication device for live working process of ultra-high voltage transmission line - Google Patents
Communication device for live working process of ultra-high voltage transmission line Download PDFInfo
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- CN112423178B CN112423178B CN202011136386.0A CN202011136386A CN112423178B CN 112423178 B CN112423178 B CN 112423178B CN 202011136386 A CN202011136386 A CN 202011136386A CN 112423178 B CN112423178 B CN 112423178B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
- H04B2001/3866—Transceivers carried on the body, e.g. in helmets carried on the head
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The embodiment of the application provides a communication device for the live working process of an ultra-high voltage transmission line, which comprises a wireless earphone part and an anti-interference pickup part electrically connected with the wireless earphone part; the anti-interference sound pick-up head component comprises a sound pick-up head, a chip anti-interference circuit and a signal amplification transmission circuit, wherein the chip anti-interference circuit and the signal amplification transmission circuit are electrically connected with the sound pick-up head and are used for reducing the environment interference of the ultra-high voltage transmission line, and the wireless earphone component comprises a wireless signal receiving circuit. Through the improvement of the existing headset based on live working process dead-angle-free monitoring and field communication relay technology equipment, a microphone on the original headset is separated from the wireless headset, and meanwhile, a chip anti-interference circuit and a signal amplification transmission circuit are additionally arranged to improve the wireless signal transmission effect.
Description
Technical Field
The application belongs to the field of live working, and particularly relates to a communication device for the live working process of an ultra-high voltage transmission line.
Background
Because the voltage level of the ultra/extra-high voltage line is high, in order to meet the electrical insulation requirement, the size of the tower head of the ultra/extra-high voltage line is large, the distance between an equipotential operator and a guardian on the tower is more than 20 meters, the monitoring and communication difficulty of the operator is brought, and the risk in the operation process is greatly increased. And because the corona discharge of the ultra/extra-high voltage line is strong, the discharge sound is relatively large, and the wireless communication technology means is deficient in the strong electromagnetic field environment, so that the operating personnel cannot smoothly communicate with the outside, and are in a state of solemn penetration, and the safety of the personnel and the smooth development of defect eliminating operation are difficult to guarantee.
Patent No. CN201822219080.6 discloses a wireless headphone of full duplex conversation for scene, belong to wireless transmission technical field, including wearing the support, install ear pad and earphone device at wearing the support both ends respectively, install the adjustable microphone in position at earphone device lower extreme, wherein, be provided with frequency modulation knob on the earphone device, frequency modulation knob is used for adjusting earphone device's transmitted signal frequency channel and received signal frequency channel, can adjust the transmitted signal frequency channel and the received signal frequency channel of earphone according to the on-the-spot demand, can avoid on-the-spot string frequently and influence its conversation effect, the control that has that sets up on it the volume knob and the talkback switch of the function that earphone device realized talkback, can be very convenient realization wireless headphone duplex switching between transmission and receive function, realize wireless headphone's real-time duplex conversation function. However, the head-mounted mounting mode has a falling risk, and the communication signal is easily interfered by the strong electromagnetic environment of the ultra/extra high voltage power line.
Patent No. cn201510033363.x discloses a bluetooth-based multiparty call method, which comprises the following steps: when a first communication terminal and a second communication terminal are in a call, the first communication terminal and/or the second communication terminal sends a multi-party call request to at least one third communication terminal through Bluetooth; and if receiving a multi-party call confirmation instruction of the third communication terminal, the first communication terminal and/or the second communication terminal perform duplex communication with the third communication terminal through Bluetooth to realize multi-party call. Correspondingly, a Bluetooth multi-party call system is also provided. Therefore, the multi-party call is realized by expanding the Bluetooth function of the communication terminal, and the method is simple and convenient to realize and has low cost. But the communication distance is short, and the method is not suitable for the scene of real-time communication between personnel on the ultra/extra-high voltage live working tower and ground commanders.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the communication device for the live working process of the ultra-high voltage transmission line is provided, the strong interference effect in the environment of the ultra-high voltage transmission line is reduced through a built-in chip anti-interference circuit, and meanwhile, the wireless signal transmission effect is improved by means of a signal amplification transmission circuit.
Specifically, the communication device for the live working process of the ultra-high voltage transmission line that this application embodiment provided includes:
the wireless earphone part is electrically connected with the anti-interference pickup head part;
the anti-interference sound pick-up head component comprises a sound pick-up head, a chip anti-interference circuit and a signal amplification transmission circuit, wherein the chip anti-interference circuit and the signal amplification transmission circuit are electrically connected with the sound pick-up head and are used for reducing the environment interference of the ultra-high voltage transmission line, and the wireless earphone component comprises a wireless signal receiving circuit.
Optionally, the chip immunity circuit includes:
a gate of the MOS transistor Q16 is electrically connected with a collector of the triode Q39, a source of the MOS transistor Q16 is connected with a +3.3V power supply end, a resistor R107 and a capacitor C34 which are connected in series are arranged between the source of the MOS transistor Q16 and a base of the triode Q39, a drain of the MOS transistor Q16 is grounded through a diode D30, a resistor R108 and a resistor R109, and a DC-AD sampling end is arranged between the resistor R108 and the resistor R109;
a grid electrode connected with the Q16 and a homonymous end of a collector electrode of the triode Q39 are arranged between the resistor R107 and the capacitor C34;
the base of the triode Q39 is also connected with the AD-DC sampling end.
Optionally, the signal amplification transmission circuit includes:
the first branch circuit is connected to a +12V power supply end and comprises a diode D23, a resistor R102, a resistor R48 and a resistor R49 which are sequentially connected in series, and an AD-DC sampling end is arranged between the resistor R48 and the resistor R49;
a resistor R75 connected between the +12V power supply terminal and the ground terminal;
the second branch circuit is connected to the +12V power supply end and comprises a diode D14, a resistor R43 and a resistor R44 which are sequentially connected in series, and a homonymy end electrically connected with the base electrode of the triode Q24 is arranged between the resistor R43 and the resistor R44;
the third branch circuit is connected to the +9.5V power supply end and comprises a diode D15, a resistor R103, a diode D24, a voltage stabilizing diode Z7 and a resistor R41 which are sequentially connected in series, and one end, far away from the Z7 of the voltage stabilizing diode, of the resistor R41 is connected with an enabling end EN;
the fourth branch circuit is connected between the +9.5V power supply end and the grounding end and comprises a voltage-stabilizing diode Z8, a resistor R45 and a resistor R46 which are sequentially connected in series;
the fifth branch circuit is connected between the +12V power supply end and the grounding end, and comprises a resistor R42 and a triode Q25 which are sequentially connected, the base electrode of the triode Q25 is electrically connected with the collector electrode of the triode Q24 through a diode D29, and the emitting electrode of the triode Q25 is grounded;
the circuit comprises a chip U11 connected to a +12V power supply end, a pin 1 of the U11 is connected with the +12V power supply end and a polar capacitor E14, the other end of the polar capacitor is grounded, a pin 2 of the U11 is connected with a collector electrode of a triode Q25, and is also connected with a battery enable end BAT-EN through a backward diode D26, and the battery enable end BAT-EN is also electrically connected with a collector electrode of a triode Q24 through a diode D27;
a pin 3 of the U11 is simultaneously connected with a +9.5V Power supply end, a DC Power OUT end and a drain electrode of an MOS tube Q15, a pin 4 of the U11 is connected with a grid electrode of the Q15 on the one hand through a diode D16 and a collector electrode of a triode Q34 on the other hand, a base electrode of the triode Q34 is connected with a DC-EN end, an emitter electrode of the triode Q34 is grounded, a base electrode of the triode Q34 is grounded through a resistor R37, a resistor R47 is arranged between the pin 3 and the pin 4 of the U11, and a source electrode of the Q15 is electrically connected with the collector electrode of the triode Q34 through a resistor R131 and a diode D25;
the sixth branch is connected to the +9.5V power supply end and comprises a capacitor C30 and a polar capacitor E7 which are grounded simultaneously;
the seventh branch is connected to the +9.5V power supply end and comprises a diode D6 connected to the ground;
the coil L2 and the chip U7 are connected to a +9.5V power supply end, a pin 1 of the U7 is connected with a grid electrode of an MOS tube Q4, a source electrode and a drain electrode of the Q4 are both connected to the +9.5V power supply end, a pin 2 of the U7 is electrically connected with a sixth branch circuit, a pin 3 of the U7 is connected with a battery power supply end BAT through a resistor R51, and is simultaneously connected with a base electrode of a triode Q26 through a resistor R52 and is grounded through a resistor R53, the pin 4 of the U7 is connected with a downlink end down, a pin 5 of the U7 is grounded, a pin 6 of the U7 is simultaneously grounded through a resistor R54 and a capacitor C20, pins 7 and 8 of the U7 are connected with the +9.5V power supply end, and a resistor R34 is arranged between the pin 7 and the pin 8 of the U7;
a polar capacitor E15 connected between the +9.5V power supply terminal and the ground terminal;
the eighth branch circuit is connected to the +9.5V power supply end and comprises a resistor R59 and an MOS transistor Q23, the grid electrode and the source electrode of the Q23 are respectively connected with two ends of the resistor R59, the resistor R59 is connected with the collector electrode of the triode Q27, the emitter electrode of the triode Q27 is grounded, the base electrode of the triode Q27 is grounded through the resistor R58 on one hand, and is connected with the enabling end EN through the resistor R55 and the diode D22 on the other hand, and is also connected with the PWM control end through the resistor R56;
and the ninth branch is connected to the +9.5V power supply end and comprises a resistor R60, one end of the resistor R60 is connected with the collector of the triode Q26 through a diode D18, the emitter of the Q26 is grounded, the other end of the resistor R60 is grounded through a resistor R61, and an AD sampling end is arranged at one end of the resistor R61.
Optionally, the pickup head includes:
the sound pick-up head body and the noise reduction protective cover wrap the surface of the sound pick-up head.
Optionally, the communication device includes a collar clip for fixing the wireless headset part and the anti-interference pickup head part on the surface of the work clothes of the operator.
The beneficial effect that technical scheme that this application provided brought is:
the improvement of the existing headset based on live working process dead-angle-free monitoring and field communication relay technology equipment separates a microphone on the original headset from a wireless headset, and simultaneously, a chip anti-interference circuit and a signal amplification transmission circuit are additionally arranged to improve the wireless signal transmission effect.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a communication device for an extra-high voltage transmission line live working process according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a signal amplification transmission circuit according to an embodiment of the present application.
Detailed Description
To make the structure and advantages of the present application clearer, the structure of the present application will be further described with reference to the accompanying drawings.
Example one
Specifically, as shown in fig. 1, the communication device for the live working process of the ultra-high voltage transmission line provided by the embodiment of the present application includes:
the wireless earphone part and the anti-interference pickup head part are electrically connected with the wireless earphone part;
the anti-interference sound pick-up head component comprises a sound pick-up head, a chip anti-interference circuit and a signal amplification transmission circuit, wherein the chip anti-interference circuit and the signal amplification transmission circuit are electrically connected with the sound pick-up head and used for reducing the environment interference of the ultra-high voltage transmission line, and the wireless earphone component comprises a wireless signal receiving circuit.
In implementation, the method is an improvement of the existing headset based on live working process dead-angle-free monitoring and field communication relay technology equipment, a microphone on the original headset is separated from a wireless headset, and meanwhile, a chip anti-interference circuit and a signal amplification transmission circuit are added to improve the wireless signal transmission effect.
Optionally, the chip immunity circuit includes:
the MOS transistor Q16, the grid of Q16 is electrically connected with the collector of the triode Q39, the source of Q16 is connected with the +3.3V power supply end, a resistor R107 and a capacitor C34 which are connected in series are arranged between the source of Q16 and the base of the triode Q39, the drain of Q16 is grounded through a diode D30, a resistor R108 and a resistor R109, and a DC-AD sampling end is arranged between the resistor R108 and the resistor R109;
a grid electrode connected with the Q16 and a homonymous end of a collector electrode of the triode Q39 are arranged between the resistor R107 and the capacitor C34;
and the base of the triode Q39 is also connected with an AD-DC sampling end.
Optionally, as shown in fig. 2, the signal amplification transmission circuit includes:
the first branch circuit is connected to a +12V power supply end and comprises a diode D23, a resistor R102, a resistor R48 and a resistor R49 which are sequentially connected in series, and an AD-DC sampling end is arranged between the resistor R48 and the resistor R49;
a resistor R75 connected between the +12V power supply terminal and the ground terminal;
the second branch circuit is connected to the +12V power supply end and comprises a diode D14, a resistor R43 and a resistor R44 which are sequentially connected in series, and a homonymy end electrically connected with the base electrode of the triode Q24 is arranged between the resistor R43 and the resistor R44;
the third branch circuit is connected to the +9.5V power supply end and comprises a diode D15, a resistor R103, a diode D24, a voltage stabilizing diode Z7 and a resistor R41 which are sequentially connected in series, and one end, far away from the Z7 of the voltage stabilizing diode, of the resistor R41 is connected with an enabling end EN;
the fourth branch circuit is connected between the +9.5V power supply end and the grounding end and comprises a voltage-stabilizing diode Z8, a resistor R45 and a resistor R46 which are sequentially connected in series;
the fifth branch circuit is connected between the +12V power supply end and the grounding end, and comprises a resistor R42 and a triode Q25 which are sequentially connected, the base electrode of the triode Q25 is electrically connected with the collector electrode of the triode Q24 through a diode D29, and the emitting electrode of the triode Q25 is grounded;
the circuit comprises a chip U11 connected to a +12V power supply end, a pin 1 of the U11 is connected with the +12V power supply end and a polar capacitor E14, the other end of the polar capacitor is grounded, a pin 2 of the U11 is connected with a collector electrode of a triode Q25, and is also connected with a battery enable end BAT-EN through a backward diode D26, and the battery enable end BAT-EN is also electrically connected with a collector electrode of a triode Q24 through a diode D27;
a pin 3 of the U11 is simultaneously connected with a +9.5V Power supply end, a DC Power OUT end and a drain electrode of an MOS (metal oxide semiconductor) tube Q15, a pin 4 of the U11 is connected with a grid electrode of the Q15 on the one hand through a diode D16 and a collector electrode of a triode Q34 on the other hand, a base electrode of the triode Q34 is connected with a DC-EN end, an emitter electrode of the triode Q34 is grounded, a base electrode of the triode Q34 is grounded through a resistor R37, a resistor R47 is arranged between the pin 3 and the pin 4 of the U11, and a source electrode of the Q15 is electrically connected with the collector electrode of the triode Q34 through a resistor R131 and a diode D25;
the sixth branch is connected to the +9.5V power supply end and comprises a capacitor C30 and a polar capacitor E7 which are grounded simultaneously;
the seventh branch is connected to the +9.5V power supply end and comprises a diode D6 connected to the ground;
the coil L2 and the chip U7 are connected to a +9.5V power supply end, a pin 1 of the U7 is connected with a grid electrode of an MOS tube Q4, a source electrode and a drain electrode of the Q4 are both connected to the +9.5V power supply end, a pin 2 of the U7 is electrically connected with a sixth branch circuit, a pin 3 of the U7 is connected with a battery power supply end BAT through a resistor R51, and is simultaneously connected with a base electrode of a triode Q26 through a resistor R52 and is grounded through a resistor R53, the pin 4 of the U7 is connected with a downlink end down, a pin 5 of the U7 is grounded, a pin 6 of the U7 is simultaneously grounded through a resistor R54 and a capacitor C20, pins 7 and 8 of the U7 are connected with the +9.5V power supply end, and a resistor R34 is arranged between the pin 7 and the pin 8 of the U7;
the polarity capacitor E15 is connected between the +9.5V power supply end and the grounding end;
the eighth branch circuit is connected to the +9.5V power supply end and comprises a resistor R59 and an MOS transistor Q23, the grid electrode and the source electrode of the Q23 are respectively connected with two ends of the resistor R59, the resistor R59 is connected with the collector electrode of the triode Q27, the emitter electrode of the triode Q27 is grounded, the base electrode of the triode Q27 is grounded through the resistor R58 on one hand, and is connected with the enabling end EN through the resistor R55 and the diode D22 on the other hand, and is also connected with the PWM control end through the resistor R56;
and the ninth branch is connected to the +9.5V power supply end and comprises a resistor R60, one end of the resistor R60 is connected with the collector of the triode Q26 through a diode D18, the emitter of the Q26 is grounded, the other end of the resistor R60 is grounded through a resistor R61, and an AD sampling end is arranged at one end of the resistor R61.
Optionally, the pickup head includes:
the pick-up head body and the noise reduction protective cover wrap the surface of the pick-up head.
The communication device comprises a collar clip for fixing the wireless earphone part and the anti-interference pickup part on the surface of the work clothes of the operator.
The application discloses a microphone which adopts a 2.4GHZ frequency band digital technology and is matched with an excellent noise reduction function, has clear conversation quality, can distinguish individual sound difference, adopts an automatic frequency hopping technology, is far away from cross frequency interference, adopts a duplex free conversation mode, and can listen to other people while speaking; by integrating the technologies of filtering, shielding, grounding and the like, interference signal shielding and filtering measures suitable for live working site monitoring of the power transmission line are provided, and the communication quality in a high-strength power frequency electromagnetic field of the live working site is ensured. Under the strong electromagnetic field environment, the wireless communication device is only needed to be equipped during high-altitude operation, so that the remote multi-point real-time voice communication can be realized, and the safety and the working efficiency of the high-altitude operation are greatly improved.
(1) The conversation performance is high. This equipment adopts automatic frequency hopping technique, keeps away from the crosstalk interference, and joins in marriage the microphone that falls the function of making an uproar, and the speech quality is high clear, can distinguish individual sound difference, only needs to join in marriage during high altitude construction and takes the wireless conversation of earphone, convenient to carry. The duplex free communication is supported, the other person can listen to the communication while talking, the communication can be realized without pressing any button during the communication, both hands are liberated, and the safety and the working efficiency of the high-altitude operation are greatly improved.
(2) The wearing is comfortable and firm. The fixed head clamp of the equipment is arranged between the helmet liner and the inner top of the safety helmet worn by an operator, and a metal fixed clamp is arranged on the fixed head clamp. Be connected the microphone with the headphone circuit board to fix the connecting wire on the operation personnel collar through a plurality of metal cockscomb structure fixation clamps, the microphone is fixed in the collarband, ensures firm in connection, can effectively solve the skew problem of microphone, and equipment can be under the prerequisite that does not influence the operation personnel and wear the comfort level, and hidden wearing is firmly installed, with the effective adaptation of safety helmet.
The basic composition modules of the device comprise a sound pick-up head, an audio line, an audio plug, a collar clamp and the like, the working mode is that an operator clamps a microphone at the collar of the clothes through the collar clamp, when sound enters the sound pick-up head, a vibration film vibrates, the sound signal is converted into an electric signal by the inner part of the vibration film, and the sound is transmitted outwards through the transmission of the audio line and the connection and conversion between the audio plug and a headset in original equipment.
The metal sound pick-up head, the metal sound pick-up head includes sound pick-up head and safety cover, and it at first picks up sound, through the frequency selection network, has NE5532 chip for the enlarged network and the automatic feedback network of making an uproar of falling of core device, reaches sound pick-up, enlargies and falls the effectual noise reduction of the function expansion performance of making an uproar, and the safety cover directly wraps up on the sound pick-up head surface, can reduce in the dust gets into the sound pick-up head, influences the radio reception effect.
The audio frequency line, the audio frequency line top layer adopts the plastic, and is softer, and inside is the copper core line, can resist drawing and draw and drag, through linking to each other with sound pick-up head and audio plug, transmits sound signal.
The audio plug is 3.5mm in size, can directly connect with the headset, and is used as a sound signal conversion port.
The collar clamp, the collar clamp adopts the ABS material, and is frivolous firm, and its back project organization links to each other with the sound head for the sound head sustainable fixation in operation personnel collarband.
The sequence numbers in the above embodiments are merely for description, and do not represent the sequence of the assembly or the use of the components.
The above description is intended only to serve as examples of the present application and should not be construed as limiting the present application, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.
Claims (4)
1. A communication device for extra-high voltage transmission line live working process, its characterized in that, communication device includes:
the wireless earphone part and the anti-interference pickup head part are electrically connected with the wireless earphone part;
the anti-interference sound pick-up head component comprises a sound pick-up head, a chip anti-interference circuit and a signal amplification transmission circuit, wherein the chip anti-interference circuit and the signal amplification transmission circuit are electrically connected with the sound pick-up head and are used for reducing the environment interference of the ultra-high voltage transmission line;
the chip anti-jamming circuit comprises:
a gate of the MOS transistor Q16 is electrically connected with a collector of the triode Q39, a source of the MOS transistor Q16 is connected with a +3.3V power supply end, a resistor R107 and a capacitor C34 which are connected in series are arranged between the source of the MOS transistor Q16 and a base of the triode Q39, a drain of the MOS transistor Q16 is grounded through a diode D30, a resistor R108 and a resistor R109, and a DC-AD sampling end is arranged between the resistor R108 and the resistor R109;
a grid electrode connected with the Q16 and a homonymous end of a collector electrode of the triode Q39 are arranged between the resistor R107 and the capacitor C34;
the base of the triode Q39 is also connected with the AD-DC sampling end.
2. The communication device for the live working process of the ultra-high voltage transmission line according to claim 1, wherein the signal amplification transmission circuit comprises:
the first branch circuit is connected to a +12V power supply end and comprises a diode D23, a resistor R102, a resistor R48 and a resistor R49 which are sequentially connected in series, and an AD-DC sampling end is arranged between the resistor R48 and the resistor R49;
a resistor R75 connected between the +12V power supply terminal and the ground terminal;
the second branch circuit is connected to the +12V power supply end and comprises a diode D14, a resistor R43 and a resistor R44 which are sequentially connected in series, and a homonymous end electrically connected with the base electrode of the triode Q24 is arranged between the resistor R43 and the resistor R44;
the third branch circuit is connected to the +9.5V power supply end and comprises a diode D15, a resistor R103, a diode D24, a voltage stabilizing diode Z7 and a resistor R41 which are sequentially connected in series, and one end, far away from the Z7 of the voltage stabilizing diode, of the resistor R41 is connected with an enabling end EN;
the fourth branch circuit is connected between the +9.5V power supply end and the grounding end and comprises a voltage stabilizing diode Z8, a resistor R45 and a resistor R46 which are sequentially connected in series;
the fifth branch circuit is connected between the +12V power supply end and the grounding end, and comprises a resistor R42 and a triode Q25 which are sequentially connected, the base electrode of the triode Q25 is electrically connected with the collector electrode of the triode Q24 through a diode D29, and the emitting electrode of the triode Q25 is grounded;
the chip U11 is connected to the +12V power supply end, a pin 1 of the U11 is connected with the +12V power supply end and a polar capacitor E14, the other end of the polar capacitor is grounded, a pin 2 of the U11 is connected with a collector electrode of a triode Q25 and is also connected with a battery enable end BAT-EN through a backward diode D26, and the battery enable end BAT-EN is also electrically connected with a collector electrode of a triode Q24 through a diode D27;
a pin 3 of the U11 is simultaneously connected with a +9.5V Power supply end, a DC Power OUT end and a drain electrode of an MOS (metal oxide semiconductor) tube Q15, a pin 4 of the U11 is connected with a grid electrode of the Q15 on the one hand through a diode D16 and a collector electrode of a triode Q34 on the other hand, a base electrode of the triode Q34 is connected with a DC-EN end, an emitter electrode of the triode Q34 is grounded, a base electrode of the triode Q34 is grounded through a resistor R37, a resistor R47 is arranged between the pin 3 and the pin 4 of the U11, and a source electrode of the Q15 is electrically connected with the collector electrode of the triode Q34 through a resistor R131 and a diode D25;
the sixth branch is connected to the +9.5V power supply end and comprises a capacitor C30 and a polar capacitor E7 which are grounded simultaneously;
a seventh branch connected to the +9.5V supply terminal, the seventh branch including a diode D6 connected to ground;
the coil L2 and the chip U7 are connected to a +9.5V power supply end, a pin 1 of the U7 is connected with a grid electrode of an MOS tube Q4, a source electrode and a drain electrode of the Q4 are both connected to the +9.5V power supply end, a pin 2 of the U7 is electrically connected with a sixth branch circuit, a pin 3 of the U7 is connected with a battery power supply end BAT through a resistor R51, and is simultaneously connected with a base electrode of a triode Q26 through a resistor R52 and is grounded through a resistor R53, the pin 4 of the U7 is connected with a downlink end down, a pin 5 of the U7 is grounded, a pin 6 of the U7 is simultaneously grounded through a resistor R54 and a capacitor C20, pins 7 and 8 of the U7 are connected with the +9.5V power supply end, and a resistor R34 is arranged between the pin 7 and the pin 8 of the U7;
the polarity capacitor E15 is connected between the +9.5V power supply end and the grounding end;
the eighth branch circuit is connected to the +9.5V power supply end and comprises a resistor R59 and an MOS transistor Q23, the grid electrode and the source electrode of the Q23 are respectively connected with two ends of the resistor R59, the resistor R59 is connected with the collector electrode of the triode Q27, the emitter electrode of the triode Q27 is grounded, the base electrode of the triode Q27 is grounded through the resistor R58 on one hand, and is connected with the enabling end EN through the resistor R55 and the diode D22 on the other hand, and is also connected with the PWM control end through the resistor R56;
and the ninth branch is connected to the +9.5V power supply end and comprises a resistor R60, one end of the resistor R60 is connected with the collector of the triode Q26 through a diode D18, the emitter of the Q26 is grounded, the other end of the resistor R60 is grounded through a resistor R61, and an AD sampling end is arranged at one end of the resistor R61.
3. The communication device for the live working process of the ultra-high voltage transmission line according to claim 1, wherein the sound pickup head comprises:
the sound pick-up head body and the noise reduction protective cover wrap the surface of the sound pick-up head.
4. The communication device for the live working process of the ultra-high voltage transmission line according to claim 1, wherein the communication device comprises a collar clip for fixing the wireless earphone part and the anti-interference pickup head part on the surface of a worker's work clothes.
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| CN202011136386.0A CN112423178B (en) | 2020-10-22 | 2020-10-22 | Communication device for live working process of ultra-high voltage transmission line |
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| CN202011136386.0A CN112423178B (en) | 2020-10-22 | 2020-10-22 | Communication device for live working process of ultra-high voltage transmission line |
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| CN112423178B true CN112423178B (en) | 2022-11-01 |
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| CN112423178A (en) | 2021-02-26 |
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