CN107566027B - Relay station - Google Patents
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- CN107566027B CN107566027B CN201710984487.5A CN201710984487A CN107566027B CN 107566027 B CN107566027 B CN 107566027B CN 201710984487 A CN201710984487 A CN 201710984487A CN 107566027 B CN107566027 B CN 107566027B
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- 238000004891 communication Methods 0.000 claims abstract description 211
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000011889 copper foil Substances 0.000 claims abstract description 38
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a relay station which comprises a relay station shell, wherein a battery pack, a communication module, a public network module and a public network module antenna are arranged in the relay station shell, a communication module control panel and a communication module antenna seat are arranged on the outer side face of the relay station shell, a communication module signal end, a communication module antenna input end and a communication module control panel terminal are arranged on the communication module, the public network module is provided with a public network module signal end, the communication module signal end is correspondingly connected with the public network module signal end through a first cable, the communication module antenna input end is connected with the communication module antenna seat through a communication module antenna feeder, the circumferences of the first cable and the communication module antenna feeder are respectively arranged in different copper foil papers, and the communication module is connected with the communication module control panel through a second cable. The invention has the advantages of compact structure, portability, capability of transmitting and receiving information across sections and interconnection and intercommunication with the CDMA public network.
Description
Technical Field
The invention relates to the technical field of emergency communication, in particular to a relay station.
Background
A legacy car station has only one data channel, which allows the legacy station to have only one-to-one or one-to-many communication capabilities. For example, in a one-to-many communication network, a master station establishes wireless signal connections with a plurality of sub-stations. In practical application, a command center often needs to control two or more radio networks, if a traditional vehicle-mounted radio is used, the main control radio in each network can only be arranged in the command center, so that the number of devices in the command center is large, the cost of the devices is high, the integration level is low, and the device is inconvenient to carry.
Disclosure of Invention
The invention aims to solve the defects of the technology, and provides a relay station which is compact in structure and convenient to carry, can adapt to the requirements of various environments, can transmit and receive information across sections, can be interconnected and communicated with a CDMA public network, and can realize synchronous monitoring and scheduling of an emergency rescue site or a field construction site and a rear command center.
The technical scheme of the invention is as follows:
the utility model provides a relay radio, includes relay radio casing, be equipped with the group battery in the relay radio casing, still be equipped with communication module, public network module and public network module antenna in the relay radio casing, the lateral surface of relay radio casing is equipped with communication module control panel and communication module antenna pedestal, communication module is equipped with communication module signal end, communication module antenna input and communication module control panel wiring end, public network module is equipped with public network module signal end, communication module signal end corresponds with public network module signal end through first cable and links to each other, communication module antenna input establishes the one end in relay radio casing through communication module antenna feeder and communication module antenna pedestal and links to each other, first cable and communication module antenna feeder circumference are established respectively in different copper foil papers, communication module links to each other with communication module control panel through the second cable.
The communication module signal end is provided with a communication module emission control input end, a communication module audio fixed output end, a communication module emission control output end and a communication module fixed audio input end, the public network module signal end comprises a public network module emission control input end, a public network module audio input end, a public network module emission control output end, a public network module audio output end and a public network module antenna input end, the communication module emission control output end is connected with the public network module emission control input end, the communication module fixed audio output end is connected with the public network module audio input end, the communication module fixed audio input end is connected with the public network module audio output end, and the public network module antenna input end is connected with the public network module antenna.
The copper foil paper is provided with first copper foil paper-fifth copper foil paper, the outer surface of a communication module antenna feeder is arranged in the sealed first copper foil paper, the parts, close to the battery pack, of the communication module antenna feeder and the public network module, of the communication module antenna feeder are connected with the surfaces of adjacent battery pack shells through second copper foil paper, the parts, far away from the battery pack, of the communication module antenna feeder are provided with the first copper foil paper and are connected with the surfaces of the communication module shells through third copper foil paper, the outer surface of a first cable is arranged in the sealed fourth copper foil paper, and the parts, provided with the fourth copper foil paper, of the first cable are connected with the surfaces of the public network module shells through the fifth copper foil paper.
The relay radio station is characterized in that a power module is further arranged in the relay radio station shell, the power module is provided with a power module power input end and a power module power output end, the communication module is provided with a communication module power input end, the public network module is provided with a public network module power input end, the outer side surface of the relay radio station shell is provided with a power master switch, the power master switch is provided with at least one group of normally open contacts, the output end of the battery pack is connected with one end of one group of normally open contacts of the power master switch, the other end of one group of normally open contacts of the power master switch is connected with the power module input end, the power module power output end is connected with the communication module through a third cable, the power module power output end is connected with the public network module power input end through a fourth cable, the third cable is sleeved with at least one magnetic ring, and the outer surface of a first copper foil paper of a feeder of the communication module antenna is sleeved with at least one magnetic ring.
The communication module is an FT-8900R communication module, and the public network module is a W720 type CDMA national public network digital 4G/3G cluster communication intercom module.
The communication module is further provided with a communication module adjusting audio positive output end and a communication module adjusting audio negative output end, an external horn socket is arranged on the relay station shell, the external horn socket is provided with an external horn audio positive input end and an external horn audio negative input end, the external horn audio positive input end is connected with the communication module adjusting audio positive output end, and the external horn audio negative input end is connected with the communication module adjusting audio negative output end.
The relay radio station is characterized in that an earphone handle socket is arranged on the relay radio station shell, an earphone handle audio positive input end, an earphone handle audio negative input end, an earphone handle emission control output end and an earphone handle audio output end are arranged on the earphone handle socket, the earphone handle audio positive input end is connected with an external loudspeaker audio positive input end and a communication module regulation audio positive output end respectively, the earphone handle audio negative input end is connected with an external loudspeaker audio negative input end and a communication module regulation audio negative output end respectively, the earphone handle emission control output end is connected with a communication module emission control input end and a public network module emission control output end respectively, and the earphone handle audio output end is connected with a communication module fixed audio input end and a public network module audio output end respectively.
The relay station is characterized in that an earphone handle communication switch is arranged on the relay station shell, at least one group of normally open contacts are arranged on the earphone handle communication switch, one end of each group of normally open contacts of the earphone handle communication switch is connected with the audio output end of the public network module, and the other ends of the group of normally open contacts of the earphone handle communication switch are respectively connected with the audio output end of the earphone handle and the fixed audio input end of the communication module.
The battery pack is an explosion-proof lithium battery pack with 12 volts and 26 ampere hours.
The relay station is provided with a feeder line conduit and a communication module antenna, one end of the feeder line conduit is connected with one end of the communication module antenna base arranged outside the relay station shell, and the other end of the feeder line conduit is connected with the communication module antenna.
The beneficial effects of the invention are as follows: the relay station has the advantages of compact structure, portability, capability of transmitting and receiving information across sections, interconnection and intercommunication with a CDMA public network, capability of realizing synchronous monitoring and scheduling of emergency rescue sites or field construction sites and rear command centers, and capability of completing remote networking and site monitoring in wide-area command scheduling in the whole country or even the global scope, and remote cluster command scheduling functions.
Drawings
FIG. 1 is a circuit block diagram of the present invention;
fig. 2 is a topology of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and specific examples to aid in understanding the context of the invention.
The invention provides a relay station, which is shown in fig. 1 and comprises a relay station shell, wherein a battery pack, a power module, a communication module, a public network module antenna and a fuse are arranged in the relay station shell, and a battery pack charging socket, a communication module control panel, a communication module antenna base, a main power switch, an earphone handle socket, a public network communication switch and an earphone handle communication switch are respectively arranged on one outer side surface of the relay station shell.
The battery pack is provided with a battery pack charging input end and a battery pack power supply output end, the battery pack charging input end comprises a battery pack charging input end positive electrode a and a battery pack charging input end negative electrode b, and the battery pack power supply output end is provided with a battery pack power supply output end positive electrode c and a battery pack power supply output end negative electrode d.
Preferably, the battery pack is an explosion-proof lithium battery pack with 12 volts and 26 ampere hours.
The power module is provided with a power module power input end and a power module power output end, the power module power input end comprises a power module power input end anode a and a power module power input end cathode b, and the power module power output end comprises a power module power output end anode c and a power module power output end cathode d.
The communication module is provided with a communication module signal end and a communication module power supply input end, wherein the communication module signal end comprises a communication module adjusting audio positive electrode output end a, a communication module adjusting audio negative electrode output end b, a communication module fixed audio input end c, a communication module emission control input end d, a communication module audio output end e and a communication module emission control output end f; the communication module power input end comprises a communication module power input end anode g and a communication module power input end cathode h.
Preferably, the communication module is an FT-8900R communication module.
The public network module is provided with a public network module signal end and a public network module power supply input end, wherein the public network module signal end comprises a public network module emission control input end d, a public network module audio input end c, a public network module emission control output end b, a public network module audio output end a and a public network module antenna input end; the public network module power input end comprises a public network module power input end positive electrode f and a public network module power input end negative electrode e.
The public network module is a W720 type CDMA national public network digital 4G/3G cluster communication intercom module.
The earphone handle socket is provided with an earphone handle audio positive input end a, an earphone handle audio negative input end b, an earphone handle emission control output end c and an earphone handle audio output end d.
The external horn socket is provided with an external horn audio positive input end a and an external horn audio negative input end b.
The main power switch is provided with at least one group of normally open contacts, one end pin of each normally open contact is a, and the other end corresponding to the normally open contact pin a is b.
The earphone handle communication switch is provided with at least one group of normally open contacts, one end pin of each normally open contact is a, and the other end corresponding to the normally open contact pin a is b.
The battery pack charging socket is provided with a battery charging positive electrode a and a battery charging negative electrode b.
The public network communication switch is provided with at least one group of normally open contacts, one end pin of each normally open contact is a, and the other end corresponding to the normally open contact pin a is b.
The battery pack charging socket, the communication module antenna base, the main power switch, the earphone handle socket and one end of the earphone handle communication switch are arranged in the relay station shell, and the other ends of the battery pack charging socket, the communication module control panel, the communication module antenna base, the main power switch, the earphone handle socket and the earphone handle communication switch are respectively protruded out of the outer surface of the relay station shell.
The battery pack charging positive electrode a of the battery pack charging socket is connected with the battery charging input end positive electrode a of the battery pack, the battery charging negative electrode b of the battery pack charging socket is connected with the battery charging input end negative electrode b of the battery pack, the battery power output end positive electrode c of the battery pack is connected with the normally open contact pin a of the main power switch, the normally open contact pin b of the main power switch is connected with the power module power input end positive electrode a, the battery power output end negative electrode d of the battery pack is connected with the power module power input end negative electrode b, the power module power output end positive electrode c is respectively connected with one end of the fuse and the normally open contact pin a of the public network communication switch, the normally open contact pin b of the public network communication switch is connected with the public network module power input end positive electrode f, the other end of the fuse is connected with the communication module power input end positive electrode g, and the power module power output end negative electrode d is respectively connected with the communication module power input end negative electrode h and the public network module power input end negative electrode e.
The communication module adjusts the audio positive output end a to be respectively connected with the earphone handle audio positive input end a and the external loudspeaker audio positive input end a; the communication module adjusting audio negative electrode output end b is connected with the earphone handle audio negative electrode input end b and the external loudspeaker audio negative electrode input end b respectively, the communication module fixing audio input end c is connected with the earphone handle audio output end d and the normally open contact pin a of the earphone handle communication switch respectively, the normally open contact pin b of the earphone handle communication switch is connected with the public network module audio output terminal a, the communication module emission control input end d is connected with the earphone handle emission control output end c and the public network module emission control output end b respectively, the communication module fixing audio output end e is connected with the public network module audio input end c, and the communication module emission control output end f is connected with the public network module emission control input end d.
The public network module is provided with a public network module antenna, and the public network module antenna is arranged in the relay station shell and is connected with the input end of the public network module antenna.
The communication module is provided with a communication module antenna input end, the communication module antenna input end is connected with one end of the external antenna base arranged in the relay station shell through a communication module antenna feeder line, one end of the external antenna base arranged outside the relay station shell is provided with a feeder line guide pipe, and one end of the feeder line guide pipe away from the external antenna base is provided with a communication module antenna.
The communication module is a 7-band communication module, the communication module comprises 4 transceiving frequency bands and 5 sending frequency bands, the 4 transceiving frequency bands of the communication module are 29.6 megabytes, 50 megabytes, 150 megabytes and 450 megabytes respectively, and the 5 sending frequency bands of the communication module are 110 megabytes, 350 megabytes, 410 megabytes, 470 megabytes and 800 megabytes respectively.
The frequency range of 29.6 megabits is 28-29.7Mhz, the frequency range of 50 megabits is 50-54Mhz, the frequency range of 150 megabits is 144-173Mhz, the frequency range of 450 megabits is 430-470Mhz, the frequency range of 110 megabits is 108-143Mhz, the frequency range of 350 megabits is 320-429Mhz, the frequency range of 410 megabits is 400-429Mhz, the frequency range of 470 megabits is 470-480Mhz, and the frequency range of 800 megabits is 700-985Mhz.
As shown in fig. 2, 29.6 mega or 50 mega of the communication module can receive or transmit bidirectional relay signals with the CDMA public network where 150 mega, 450 mega, and the public network module are located, 150 mega of the communication module can receive or transmit bidirectional relay signals with 29.6 mega, 50 mega, 450 mega, and the public network module, 450 mega of the communication module can receive or transmit bidirectional relay signals with 29.6 mega, 50 mega, 150 mega, and the public network module, the 150 mega, 450 mega, and the public network module can receive unidirectional relay signals transmitted by 110 mega, 350 mega, 410 mega, 470, and 800 mega of the communication module, the communication module cannot relay signals between 29.6 mega, 350 mega, 410 mega, 470, and 800 mega, and the communication module cannot relay signals with each other between 110 mega, 350 mega, 410 mega, 470, and 800 mega.
The communication module is connected with the communication module control panel through a second cable, and the second cable is a shielding cable in priority.
More preferably, the second cable is disposed within the enclosed sixth copper foil.
The communication module and the control panel thereof are wireless communication equipment with double sections, double display and double waiting, and the control panel of the communication module is provided with a plurality of buttons and knobs, and the buttons and the knobs are used for adjusting the receiving and transmitting frequency bands and corresponding functions of the communication module.
The relay station shell is provided with a volume adjusting switch, and the volume adjusting switch can adjust the volume of the external horn socket and the volume of the earphone.
The copper foil paper is provided with first copper foil paper-fifth copper foil paper, the outer surface of a communication module antenna feeder is arranged in the sealed first copper foil paper, the parts, close to the battery pack, of the communication module antenna feeder and the public network module, of the communication module antenna feeder are connected with the surfaces of adjacent battery pack shells through second copper foil paper, the parts, far away from the battery pack, of the communication module antenna feeder are provided with the first copper foil paper and are connected with the surfaces of the communication module shells through third copper foil paper, the outer surface of a first cable is arranged in the sealed fourth copper foil paper, and the parts, provided with the fourth copper foil paper, of the first cable are connected with the surfaces of the public network module shells through the fifth copper foil paper.
The power output end of the power module is connected with the power input end of the communication module through a third cable.
The power output end negative pole d of the power module is connected with the power input end negative pole h of the communication module, a fuse is arranged in series between the power output end positive pole c of the power module and the power input end positive pole g of the communication module, and at least one magnetic ring is sleeved on the third cable.
Preferably, two magnetic rings are arranged on a third cable between the power output end of the power module and the fuse, and one magnetic ring is arranged between the fuse and the power input end of the communication module.
The communication module signal end is correspondingly connected with the public network module signal end through a first cable, and the power supply module power supply output end is connected with the public network module power supply input end through a fourth cable.
At least one magnetic ring is sleeved on the outer surface of the first copper foil paper of the communication module antenna feeder, and preferably, two magnetic rings are sleeved on the outer surface of the first copper foil paper of the communication module antenna feeder.
The communication module is provided with a fan, the relay station shell is provided with ventilation holes corresponding to the fan, and the ventilation holes are a plurality of ventilation holes which are regularly arranged.
The communication module control panel of the relay station can display signals of left and right frequency bands, and the duplex relay state of the relay station is opened or closed through a button or a knob on the control panel, wherein one frequency band can forward received relay information to the other frequency band; if the relay function (No. 44 menu) of the relay station is closed, the relay station can also be used as a common high-power double-segment station; the control panel of the communication module is provided with a left frequency band and a right frequency band, and under the state of closing the relay function, the signal of any side of the set left frequency band and right frequency band can be forwarded to the CDMA public network, and the CDMA public network can also forward the signal of the CDMA public network to any frequency band set on the control panel of the communication module.
The signal end of the communication module is correspondingly connected with the external horn socket, the earphone handle socket and the public network module through a first cable respectively; according to actual situation, the external horn socket can be connected with an external horn arranged outside the relay station shell through a matched external horn plug to realize audio amplification; according to actual situation needs, the earphone handle socket can be connected with the earphone and the conversation handle arranged outside the relay station shell through the matched earphone handle plug, and corresponding call communication can be carried out.
The public network module is opened or closed through the public network communication switch, and the working state of voice output of the earphone handle socket is opened or closed through the earphone handle communication switch, so that the public network module can work independently and also can be matched with the communication module for use.
The feeder line conduit of the communication module enables the communication module antenna to be far away from the head and the body of a carrying person, and radiation is reduced.
The feeder line conduit of the communication module is in a strip shape.
The public network module is provided with a hand microphone input end and GPS positioning, and the communication module is provided with a communication handle and a communication earphone.
In the relay process of the two frequency bands of the CDMA public network and the communication module where the public network module is located, full duplex dual-band synchronous relay transmitting signals are carried out, namely, any one of the two frequency bands of the CDMA public network and the communication module receives signals, the signals can be sent to the other two parties simultaneously in a two-way mode, multi-section forwarding is achieved, synchronous monitoring and scheduling of an emergency rescue site or a field construction site and a rear command center is achieved, and the functions of wide area command and scheduling of networking and site monitoring in a whole country or even in the global range are completed.
The relay station is provided with a knapsack, so that the relay station is convenient to carry.
The outer side face of relay radio station casing is equipped with the handle, can carry, relay radio station is equipped with for military use communication earphone and for military use talk handle.
It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the above description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
However, the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, so that the substitution of equivalent elements or equivalent variations and modifications within the scope of the invention are intended to fall within the scope of the claims.
Claims (10)
1. The utility model provides a relay radio, includes relay radio casing, be equipped with group battery, its characterized in that in the relay radio casing: still be equipped with communication module, public network module and public network module antenna in the relay radio station casing, the lateral surface of relay radio station casing is equipped with communication module control panel and communication module antenna seat, communication module is equipped with communication module signal end, communication module antenna input and communication module control panel wiring end, public network module is equipped with public network module signal end, communication module signal end corresponds the link to each other with public network module signal end through first cable, communication module antenna input establishes the one end in the relay radio station casing through communication module antenna feeder and communication module antenna seat and links to each other, first cable and communication module antenna feeder circumference are established respectively in different copper foil paper, communication module passes through the second cable and links to each other with communication module control panel.
2. The relay station of claim 1, wherein: the communication module signal end is provided with a communication module emission control input end, a communication module fixed audio output end, a communication module emission control output end and a communication module fixed audio input end, the public network module signal end comprises a public network module emission control input end, a public network module audio input end, a public network module emission control output end, a public network module audio output end and a public network module antenna input end, the communication module emission control output end is connected with the public network module emission control input end, the communication module fixed audio output end is connected with the public network module audio input end, the communication module fixed audio input end is connected with the public network module audio output end, and the public network module antenna input end is connected with the public network module antenna.
3. The relay station of claim 2, wherein: the copper foil paper is provided with first copper foil paper-fifth copper foil paper, the outer surface of a communication module antenna feeder is arranged in the first copper foil paper, the parts, close to the battery pack, of the communication module antenna feeder and the public network module, of the communication module antenna feeder are connected with the surfaces of adjacent battery pack shells through second copper foil paper, the parts, far away from the battery pack, of the communication module antenna feeder are provided with the first copper foil paper and are connected with the surfaces of the communication module shells through third copper foil paper, the outer surface of a first cable is arranged in the fourth copper foil paper, and the parts, provided with the fourth copper foil paper, of the first cable are connected with the surfaces of the public network module shells through the fifth copper foil paper.
4. A relay station according to claim 3, wherein: the relay station is characterized in that a power module is further arranged in the relay station shell, the power module is provided with a power module power input end and a power module power output end, the communication module is provided with a communication module power input end, the public network module is provided with a public network module power input end, a power master switch is arranged on the outer side face of the relay station shell, the power master switch is provided with at least one group of normally open contacts, the output end of the battery pack is connected with one end of one group of normally open contacts of the power master switch, the other end of one group of normally open contacts of the power master switch is connected with the power module input end, the power module power output end is connected with the communication module through a third cable, the power module power output end is connected with the public network module power input end through a fourth cable, the third cable sleeve is provided with at least one magnetic ring, and the outer surface of a first copper foil paper of the communication module antenna feeder is sleeved with at least one magnetic ring.
5. A relay station according to any of claims 2-4, characterized in that: the communication module is an FT-8900R communication module, and the public network module is a W720 type CDMA national public network digital 4G/3G cluster communication intercom module.
6. The relay station of claim 5, wherein: the communication module is further provided with a communication module adjusting audio positive output end and a communication module adjusting audio negative output end, an external horn socket is arranged on the relay station shell, the external horn socket is provided with an external horn audio positive input end and an external horn audio negative input end, the external horn audio positive input end is connected with the communication module adjusting audio positive output end, and the external horn audio negative input end is connected with the communication module adjusting audio negative output end.
7. The relay station of claim 6, wherein: the relay radio station is characterized in that an earphone handle socket is arranged on the relay radio station shell, an earphone handle audio positive input end, an earphone handle audio negative input end, an earphone handle emission control output end and an earphone handle audio output end are arranged on the earphone handle socket, the earphone handle audio positive input end is connected with an external loudspeaker audio positive input end and a communication module regulation audio positive output end respectively, the earphone handle audio negative input end is connected with an external loudspeaker audio negative input end and a communication module regulation audio negative output end respectively, the earphone handle emission control output end is connected with a communication module emission control input end and a public network module emission control output end respectively, and the earphone handle audio output end is connected with a communication module fixed audio input end and a public network module audio output end respectively.
8. The relay station of claim 7, wherein: the relay station is characterized in that an earphone handle communication switch is arranged on the relay station shell, at least one group of normally open contacts are arranged on the earphone handle communication switch, one end of each group of normally open contacts of the earphone handle communication switch is connected with the audio output end of the public network module, and the other end of each group of normally open contacts of the earphone handle communication switch is connected with the audio output end of the earphone handle and the fixed audio input end of the communication module respectively.
9. The relay station of claim 5, wherein: the battery pack is an explosion-proof lithium battery pack with 12 volts and 26 ampere hours.
10. The relay station of claim 5, wherein: the relay station is provided with a feeder line conduit and a communication module antenna, one end of the feeder line conduit is connected with one end of the communication module antenna base arranged outside the relay station shell, and the other end of the feeder line conduit is connected with the communication module antenna.
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| CN201710984487.5A CN107566027B (en) | 2017-10-20 | 2017-10-20 | Relay station |
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|---|---|---|---|
| CN201710984487.5A CN107566027B (en) | 2017-10-20 | 2017-10-20 | Relay station |
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| CN107566027A CN107566027A (en) | 2018-01-09 |
| CN107566027B true CN107566027B (en) | 2023-11-03 |
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| CN110120823B (en) * | 2019-06-10 | 2024-04-19 | 山东富创电子科技有限公司 | Relay station and application |
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| CN107566027A (en) | 2018-01-09 |
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