CN218967070U - Emergency communication semitrailer - Google Patents

Abstract

The utility model discloses an emergency communication semitrailer, which comprises a trailer chassis and a carriage body arranged on the trailer chassis, wherein the carriage body comprises a communication equipment cabin, a lifting antenna, an auxiliary equipment cabin and a generator working cabin; an antenna lifting tower, a cradle head system and a lightning protection system are arranged in the lifting antenna and auxiliary equipment cabin, a skylight is arranged at the top of the lifting antenna and auxiliary equipment cabin and corresponds to the position right above the antenna lifting tower, the antenna lifting tower comprises a lifting rod, a base frame is arranged at the top end of the lifting rod, and the cradle head system is arranged on the base frame; the communication equipment cabin is internally provided with a control console and a plurality of cabinets, and the bottoms of the control console and the cabinets are respectively provided with a shock absorber and are connected with the floor of the carriage body through the shock absorbers. According to the emergency communication semitrailer, the emergency base station is arranged on the single-shaft semitrailer, and the tractor is utilized to rapidly mobilize, so that the purposes of flexible deployment, rapid response and low cost are achieved.

Description

Emergency communication semitrailer

Technical Field

The utility model belongs to the technical field of special vehicles, and particularly relates to an emergency communication semitrailer.

Background

In recent years, base station site selection of mobile operators becomes more and more difficult, and on one hand, with the improvement of health and environmental protection consciousness of residents, public has worry about the problems of radiation and the like caused by base station construction; on the other hand, too expensive machine room lease costs greatly increase the construction costs of operators. However, as urban construction steps are continuously accelerated, areas in which people are concentrated, such as large residential areas, are gradually increased, and the problems of weak coverage, network capacity shortage and the like are urgently needed to be solved. The phenomena of forced stopping, moving and the like of the base station caused by city planning, owner changing and the like are gradually generalized, and the network quality is difficult to guarantee. In addition, sudden events including natural disasters, accident disasters, public health events, social security events and the like and sudden traffic peaks also put high demands on the security capability of the network security of operators. Emergency communication vehicles play an important role in such a scenario application.

Although the emergency communication vehicle is flexible to deploy, the emergency communication vehicle is relatively expensive in manufacturing cost and is one in millions of units, and the emergency communication vehicle needs to be continuously attended for 24 hours by a special person, so that the safety of the emergency communication vehicle and surrounding masses is protected, and the defects of high purchase cost, overhigh operation expenditure cost, inapplicability to long-term unattended operation and the like exist, so that the emergency communication effect is influenced.

The motorized emergency base station inherits part of the structural characteristics of the emergency communication vehicle, but is only provided with an integrated box body and supporting facilities, and has the advantages of simple structure, low cost, convenient transportation and the like, but needs a crane for loading and unloading, and can not be rapidly deployed in a plurality of emergency scenes to meet the requirements of emergency communication.

Disclosure of Invention

The utility model aims to provide an emergency communication semitrailer which is used for solving the problems in the prior art, not only can meet the purpose of emergency communication, but also can be quickly mobilized with low cost, an emergency base station is arranged on the single-shaft semitrailer, and the purposes of flexible deployment, quick response and low cost are realized by quickly mobilizing the tractor.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an emergency communication semitrailer comprises a trailer chassis and a carriage body arranged on the trailer chassis, wherein the carriage body comprises a communication equipment cabin, a lifting antenna, an auxiliary equipment cabin and a generator working cabin; an antenna lifting tower, a cradle head system and a lightning protection system are arranged in the lifting antenna and auxiliary equipment cabin, a skylight is arranged at the top of the lifting antenna and auxiliary equipment cabin and corresponds to the position right above the antenna lifting tower, the antenna lifting tower comprises a lifting rod, a base frame is arranged at the top end of the lifting rod, and the cradle head system is arranged on the base frame; the communication equipment cabin is internally provided with a control console and a plurality of cabinets, and the bottoms of the control console and the cabinets are respectively provided with a shock absorber and are connected with the floor of the carriage body through the shock absorbers.

The working process and principle of the structure are as follows:

the communication equipment cabin is mainly used for installing the control desk and various cabinets, the arrangement of the shock absorber is beneficial to providing secondary shock absorption, the generator working cabin provides power supply for the whole system, the antenna lifting tower is matched with the arrangement of the skylight, when the communication equipment cabin is used, the communication equipment cabin can extend out of the skylight to perform signal receiving and transmitting operation, and after the lifting rod is retracted, all top equipment can be completely retracted in the vehicle compartment; the self-supporting heavy-load lifting rod is used on the vehicle, the bearing capacity can reach 300KG, safety and backup measures are provided, and when the automatic lifting function fails, the lifting rod can be manually lifted and lowered; the wind resistance and the stability are good, when the wind resistance and the stability are improved to the highest position, the lifting rod can work normally under eight-level wind gusts when no wire is pulled, and ten-level wind gusts can be resisted after the wire is pulled; good corrosion resistance, water resistance and maintenance-free property; the base frame provides a platform for various antennas, and can also complete the recovery and folding actions of the cradle head system when the antenna lifting tower is retracted into the vehicle so as to reduce the volume of the cradle head system and the vehicle; the emergency base station is arranged on the single-shaft semitrailer, and the tractor is utilized to realize flexible deployment, quick response and low cost.

Further, a diesel generator is arranged in the generator working cabin, ventilation openings are formed in the bottom and the top of the generator working cabin, and an axial flow fan is arranged in the ventilation openings and used for forced ventilation and heat dissipation.

The diesel generator supplies power to the whole system through diesel power generation on the premise of no commercial power, and performs forced ventilation and heat dissipation through the axial flow fan.

Further, the holder system comprises a base station antenna holder and a microwave antenna holder, and the base station antenna holder and the microwave antenna holder are installed on the base frame.

The base station antenna holder and the microwave antenna holder achieve the purpose of emergency communication, and can reach ideal working height along with the lifting rod.

Further, a cable winding and unwinding system is arranged in the lifting antenna and auxiliary equipment cabin, the cable winding and unwinding system comprises a cable and a winding and unwinding disc, a coil spring is arranged in the winding and unwinding disc, the cable is wound on the coil spring, and two ends of the cable are respectively connected with the console and the cradle head system.

The cable winding and unwinding system is arranged, a coil spring mode is adopted, so that cables such as a feeder line, a control line and a power line can be synchronously fed and wound, the cables can be ensured to be free from personnel interference and mutual winding when the antenna lifting tower is lifted, and the cables are orderly distributed and reliably fixed; meanwhile, the cable winding and unwinding system can work normally under the condition of no power; in the lifting process of the antenna lifting tower, the retraction disc and the antenna tower are ensured to work cooperatively and retract synchronously; the cable adopts flat marshalling mode, and the outside has military nylon cloth sheath, according to line sequence and position with the feeder transfer in the sheath of arranging in advance, set up the fixed frame of cable on the antenna lifting tower at certain distance, prevent that the cable from swaing because of wind.

Further, a storage battery is arranged in the generator working cabin, the electric energy output end of the diesel generator is respectively connected with the storage battery and an electric facility, and a commercial power interface is arranged on the carriage body.

The system is provided with three sets of power supply modes: the diesel generator supplies power, the external commercial power supplies power and the backup storage battery supplies power in an emergency mode. The mains supply is preferred under the condition of possessing the mains supply; the commercial power is connected to a commercial power interface, and when the commercial power fails, the diesel generator is started to generate electricity; when the commercial power supply is restored, the diesel generator stops working and is switched to the commercial power supply; during the switching period of the commercial power and the diesel generator, the storage battery supplies power to ensure continuous and uninterrupted power supply and ensure the work of communication equipment; the self-starting system and the electric control system of the generator are concentrated in a cabinet; under the condition that the field fuel is difficult to supply, the storage battery is preferentially used for supplying power, the diesel generator is started to charge the storage battery after the storage battery is used up, meanwhile, the whole system is supplied with power, and the storage battery is switched into the storage battery for supplying power again after being full; under the condition that the field fuel oil is sufficiently supplied, the diesel generator is preferentially used for supplying power to the whole system, and the storage battery is in a floating charge state; the two modes can be switched under the control of a control system, the control system is a part of a whole vehicle control system, and all power supply and power utilization system equipment normally works within the range of-15% to +15% and 45 to 55 Hz.

Further, the lower part of the trailer chassis is provided with a balance supporting system, the balance supporting system comprises lifting supporting legs, the vertical arrangement of the lifting supporting legs and the connection of the tail parts with the trailer chassis are realized, and the lifting supporting legs are at least provided with four and are respectively arranged on two sides of the front end and the rear end of the trailer chassis.

The balance supporting system takes a vehicle-mounted storage battery of the semitrailer as a power supply, the lifting supporting legs can be lifted in a hydraulic or electric driving mode, the lifting supporting legs are fixed at the proper positions of the automobile girder through the mounting brackets, and when in use, the lifting supporting legs extend downwards to touch the ground to jack up the automobile body, so that most of the weight of the automobile is supported by the lifting supporting legs, and the equipment for lightening the spring steel plate load of the automobile is provided; after the use, the lifting support legs are upwards retracted and stored, and have enough height from the ground, so that the safety of driving and equipment is not influenced; the lifting supporting legs can automatically extend and level; when faults occur, a manual mode can be adopted; the balance support system is arranged in the cab and is provided with an alarm device, and the alarm signal is not eliminated under the condition that the support is not fully retracted.

Further, the rear end of the trailer chassis is provided with a rear supporting leg expansion system, the rear supporting leg expansion system comprises a supporting arm, one end of the supporting arm is horizontally and rotatably connected with the trailer chassis, the other end of the supporting arm is fixedly connected with the lifting supporting leg, and the supporting arm adopts a ninety-degree rotary hinging seat.

The vehicle is provided with the rear supporting leg expansion system, the supporting arms adopt a 90-degree rotating structure, when the vehicle is used, the two supporting arms at the rear part of the vehicle body are outwards screwed out, the extending distance is more than 500mm, after the external expansion mechanism is extended in place, the balance supporting system begins to work again, the lifting supporting legs of the rear expansion and the lifting supporting legs at the front part form an equilateral triangle shape, and the balance capability of the vehicle is enhanced when the vehicle is used.

Further, the lightning protection system comprises an active lightning arrester, wherein the active lightning arrester is connected with a special down-lead, and the special down-lead is connected with a motor-driven lightning-protection leakage ground network.

The lightning protection system effectively protects the motor communication vehicle from being damaged by direct lightning, adopts a method of erecting a microwave antenna and an LPI active lightning arrester Lei Qigong tower, wherein the LPI active lightning arrester consists of a needle point with the length of 750mm and the diameter of 18mm and a pulse generator, and is arranged on a cradle head at the top of a 15m antenna lifting tower together with a microwave antenna cradle head through a 2m excessive supporting tower, so that lightning current induced by an antenna feeder line and directly led down can be effectively prevented.

Further, two sets of vehicle-mounted cooling and heating air conditioners are arranged at the top of the carriage body.

The emergency communication semitrailer is provided with two vehicle-mounted overhead vehicle-mounted cold and warm air conditioners, can work normally in a temperature environment of +55 ℃, adopts an all-metal structure, is firm and compact, and has performance indexes such as impact, vibration, collision and sports car which all meet national standard requirements; the air conditioning system can ensure that when the external environment temperature is between 50 ℃ below zero and 55 ℃, the internal temperature of the compartment body is controlled between +16 ℃ and +28 ℃, and the relative humidity is controlled between 10% and 75%; the vehicle-mounted cold-hot air conditioner has lower reliability compared with communication equipment; once the air conditioner and the heating equipment fail, the communication equipment cannot work normally; in order to ensure the working reliability of the communication equipment, two sets of vehicle-mounted cooling and heating air conditioners are adopted; therefore, under the condition of low cost, the working reliability of the communication equipment is guaranteed, and after the communication equipment arrives at the site, two sets of vehicle-mounted cooling and heating air conditioners can be started at the same time, so that the environment temperature in the cabin of the communication equipment can reach the requirement of normal working of the communication equipment as soon as possible.

The beneficial effects are that: according to the utility model, the emergency semitrailer is matched with the carriage body of the communication equipment, so that the emergency semitrailer can be quickly pulled to a place where the emergency semitrailer is used, quick deployment can be realized, the cost is lower than that of the emergency communication vehicle, the emergency semitrailer is used as a mobile emergency base station without 24-hour uninterrupted duty, the purpose of emergency communication can be met, the emergency base station can be quickly mobilized with low cost, and the emergency base station is arranged on the single-shaft semitrailer, so that the purposes of flexible deployment, quick response and low cost are realized by quickly mobilizing the tractor.

Drawings

FIG. 1 is a top view of the internal structure of the car of the present utility model;

fig. 2 is a rear view of the internal structure of the car of the present utility model;

fig. 3 is a front view of the internal structure of the cage of the present utility model;

FIG. 4 is a top view of the carriage of the present utility model;

FIG. 5 is a schematic view of the structure of the antenna lifting tower extending out of the carriage body;

FIG. 6 is a schematic diagram of the principle structure of the lightning protection system of the present utility model;

fig. 7 is a schematic structural diagram of the cable winding and unwinding system according to the present utility model.

Reference numerals: 1. a trailer chassis; 2. a communication equipment bay; 21. a console; 22. a cabinet; 23. a damper; 3. lifting the antenna and the auxiliary equipment cabin; 31. an antenna lifting tower; 311. a lifting rod; 312. a base frame; 32. a cradle head system; 321. base station antenna cradle head; 322. a microwave antenna holder; 33. a cable pay-off and take-up system; 331. a cable; 332. a retractable tray; 333. a coil spring; 34. a lightning protection system; 341. an active lightning arrester; 342. a special down conductor; 343. a motorized lightning protection drainage ground screen; 4. a generator working cabin; 41. a diesel generator; 42. a vent; 43. an axial flow fan; 44. a storage battery; 5. a skylight; 6. a balance support system; 61. lifting support legs; 62. a support arm; 7. vehicle-mounted cooling and heating air conditioner.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model.

Examples:

as shown in fig. 1-7, the embodiment provides an emergency communication semitrailer, which comprises a trailer chassis 1 and a carriage body arranged on the trailer chassis 1, wherein the semitrailer is designed according to 6000 x 2436 x 2540mm capable of loading the carriage body, and adopts an air suspension, a single shaft, a 50 # traction pin, 5 10.00R20 steel wire tires, single-acting supporting legs (or hydraulic supporting legs together with the whole vehicle) and peripheral skirtboards; the circuit, the air circuit, the frame structure and the like are in accordance with the national standard. The carriage body adopts an aluminum large plate structure and comprises a communication equipment cabin 2, a lifting antenna, an auxiliary equipment cabin 3 and a generator working cabin 4; the lifting antenna and the auxiliary equipment cabin 3 are internally provided with an antenna lifting tower 31, a cradle head system 32 and a lightning protection system 34, a skylight 5 is arranged at the top of the lifting antenna and the auxiliary equipment cabin 3 and corresponds to the position right above the antenna lifting tower 31, the skylight 5 is an electric telescopic skylight, and the electric skylight technology is mature in the current vehicle system and will not be repeated here. The antenna lifting tower 31 comprises a lifting rod 311, a base frame 312 is arranged at the top end of the lifting rod 311, and the cradle head system 32 is arranged on the base frame 312; a console 21 and a plurality of cabinets 22 are arranged in the communication equipment cabin 2, and 14 cabinets can be placed at maximum. Fully meets the requirements of use and upgrade expansion. The control system of the whole vehicle is also installed. All cables adopt semi-closed cabling frames. The control table 21 and the bottom of the cabinet 22 are both provided with a damper 23 and are connected with the floor of the carriage body through the damper 23.

The lifting antenna and the auxiliary equipment cabin 3 are provided with a rear door, the communication equipment cabin 2 is provided with a side door, the generator working cabin 4 is provided with a side turning plate or a front turning plate, the rear part of the carriage body is provided with an external interface window, and the lighting and power distribution are according to national standards. And (3) externally spraying according to the pattern required by the final customer, and adding a side explosion flash warning lamp. The communication equipment cabin 2 is internally stuck with boeing cloth, and a floor or a rubber is poured; paint spraying is carried out on the inner walls of the lifting antenna and the auxiliary equipment cabin 3, and a patterned floor is adopted; the generator working cabin 4 is provided with silencing inner decorations. The top of the carriage body is provided with a lighting lamp and a floodlight, and the rear part is provided with a reversing monitoring probe.

The working process and principle of the structure are as follows:

the communication equipment cabin 2 is mainly used for installing the console 21 and various cabinets 22, the arrangement of the shock absorber 23 is beneficial to providing secondary shock absorption, the generator working cabin 4 provides power supply for the whole system, the antenna lifting tower 31 is matched with the arrangement of the skylight 5, when in use, the communication equipment cabin can extend out of the skylight 5 to carry out signal receiving and transmitting operation, and after the lifting rod 311 is retracted, all top equipment can be completely retracted in a vehicle compartment; the self-supporting heavy-load lifting rod 311 is used on the vehicle, the bearing capacity can reach 300KG, safety and backup measures are provided, and when the automatic lifting function fails, the lifting rod can be manually lifted and lowered; the wind resistance and the stability are good, when the wind resistance and the stability are raised to the highest position, the lifting rod 311 can work normally under the eight-level wind gust when no wire is pulled, and ten-level wind gusts can be resisted after the wire is pulled; good corrosion resistance, water resistance and maintenance-free property; the base frame 312 provides a platform for various antennas, and can also complete the recovery and folding actions of the cradle head system 32 when the antenna lifting tower 31 is retracted into the vehicle, so as to reduce the volume of the cradle head system 32 and the vehicle; the emergency base station is arranged on the single-shaft semitrailer, and the tractor is utilized to realize flexible deployment, quick response and low cost.

In another embodiment of the present utility model, as shown in fig. 1-5, a diesel generator 41 is disposed in the generator working chamber 4, ventilation openings 42 are formed at the bottom and top of the generator working chamber 4, and an axial flow fan 43 is disposed in the ventilation openings 42 for forced ventilation and heat dissipation.

The diesel generator 41 supplies power to the whole system by diesel power generation on the premise of no commercial power, and forcibly ventilates and dissipates heat by the axial flow fan 43.

In another embodiment of the present utility model, as shown in fig. 1-5, the head system 32 includes a base station antenna head 321 and a microwave antenna head 322, and the base station antenna head 321 and the microwave antenna head 322 are mounted on the base frame 312. The base frame 312 is provided with an electric push rod, two ends of the electric push rod are respectively hinged with the base frame 312 and a base station antenna cradle head 321 or a microwave antenna cradle head 322, a base station antenna mast, namely a lifting rod 311, adopts a 15-meter electric lifting rod, and a GSM base station antenna, a microwave antenna, a lightning rod and a monitoring camera are arranged at the top end of the lifting rod 311.

The base station antenna cradle 321 and the microwave antenna cradle 322 achieve the purpose of emergency communication, and can reach an ideal working height along with the lifting rod 311.

In another embodiment of the present utility model, as shown in fig. 7, a cable winding and unwinding system 33 is disposed in the lift antenna and auxiliary equipment compartment 3, the cable winding and unwinding system 33 includes a cable 331 and a winding and unwinding disc 332, a coil spring 333 is disposed in the winding and unwinding disc 332, the cable 331 is wound on the coil spring 333, and two ends of the cable 331 are respectively connected to the console 21 and the cradle head system 32.

The cable winding and unwinding system 33 is arranged, and a coil spring 333 mode is adopted, so that the cables 331 such as a feeder line, a control line and a power line can be synchronously fed and wound, the cables 331 can be ensured to be free from personnel interference and intertwined when the antenna lifting tower 31 is lifted, and the cable winding and unwinding system is regular in arrangement and reliable in fixing; meanwhile, the cable winding and unwinding system 33 can work normally under the condition of no power; during the lifting process of the antenna lifting tower 31, the retraction disc 332 and the antenna tower are ensured to work cooperatively and retract synchronously; the cables 331 are in a flat grouping mode, military nylon cloth sheaths are arranged outside the cables 331, feeder lines are transmitted into the sheaths which are arranged in advance according to the line sequence and the positions, and fixed frames of the cables 331 are arranged on the antenna lifting tower 31 at intervals, so that the cables 331 are prevented from swinging due to wind.

In another embodiment of the present utility model, as shown in fig. 1-5, a storage battery 44 is disposed in the generator working cabin 4, the electric energy output end of the diesel generator 41 is respectively connected with the storage battery 44 and an electric facility, and a utility power interface is disposed on the carriage.

The system is provided with three sets of power supply modes: i.e. diesel generator 41, external mains supply and backup accumulator 44 for emergency supply. The mains supply is preferred under the condition of possessing the mains supply; the utility power is connected to a utility power interface, and when the utility power fails, the diesel generator 41 is started to generate power; the diesel generator 41 stops working and is switched to supply the commercial power when the commercial power is restored; during the switching period of the commercial power and the diesel generator, the storage battery 44 supplies power to ensure continuous and uninterrupted power supply and ensure the work of the communication equipment; the generator self-starting system and the electric control system are concentrated in one cabinet 22; under the condition that the field fuel is difficult to supply, the storage battery 44 is used for supplying power preferentially, the diesel generator 41 automatically starts to charge the storage battery 44 after the storage battery 44 is used up, meanwhile, the whole system is supplied with power, and the storage battery 44 is shifted to the storage battery 44 for supplying power again after being full; under the condition that the field fuel supply is sufficient, the diesel generator 41 is preferentially used for supplying power to the whole system, and the storage battery 44 is in a floating charge state; the two modes can be switched under the control of a control system, the control system is a part of a whole vehicle control system, and all power supply and power utilization system equipment normally works within the range of-15% to +15% and 45 to 55 Hz.

In another embodiment of the present utility model, as shown in fig. 1 to 5, a balance support system 6 is provided at the lower part of the trailer chassis 1, the balance support system 6 includes lifting support legs 61, the lifting support legs 61 are vertically arranged and the tail parts are connected with the trailer chassis 1, and the lifting support legs 61 are at least four and are respectively arranged at two sides of the front and rear ends of the trailer chassis 1.

The balance support system 6 takes the vehicle-mounted storage battery 44 of the semitrailer as a power supply, the lifting support legs 61 can be lifted in a hydraulic or electric driving mode, the lifting support legs 61 are fixed at the proper positions of the automobile girder through the mounting brackets, and when in use, the lifting support legs 61 extend downwards to contact the ground to jack up the automobile body, so that most of the weight of the automobile is supported by the lifting support legs 61, and the equipment of the spring steel plate load of the automobile is lightened; after the use, the lifting support legs 61 are upwards retracted and stored, and have enough height from the ground, so that the safety of driving and equipment is not affected; the lifting support legs 61 can automatically extend and level; when faults occur, a manual mode can be adopted; the balance support system 6 is arranged in the cab and is provided with an alarm device, and the alarm signal is not eliminated under the condition that the support is not fully retracted.

In another embodiment of the present utility model, as shown in fig. 1 to 5, a rear leg extension system is disposed at the rear end of the trailer chassis 1, and the rear leg extension system includes a support arm 62, one end of the support arm 62 is horizontally rotatably connected to the trailer chassis 1, and the other end of the support arm is fixedly connected to a lifting support leg 61, where the support arm 62 adopts a ninety degree rotary hinge seat, and a driving mechanism for driving the support arm 62 to rotate is disposed at one side of the support arm 62, and the driving mechanism may be a hydraulic driving rod or an electric telescopic rod, both of which are conventional technical means in the art, and will not be described in detail herein, and is considered as a part of the support arm 62.

The vehicle is provided with the rear supporting leg expansion system, the supporting arms 62 adopt a 90-degree rotating structure, when the vehicle is used, the two supporting arms 62 at the rear part of the vehicle body are outwards screwed out, the extending distance is more than 500mm, after the external expansion mechanism is extended in place, the balance supporting system 6 starts to work again, and the lifting supporting legs 61 of the rear expansion and the lifting supporting legs at the front part form an equilateral triangle shape, so that the balance capability of the vehicle is enhanced when the vehicle is used.

In another embodiment of the present utility model, as shown in fig. 6, the lightning protection system 34 includes an active lightning diverter 341, where the active lightning diverter 341 is connected to a special down-conductor 342, and where the special down-conductor 342 is connected to a motorized lightning protection down-flow ground screen 343.

The lightning protection system 34 effectively protects the motor communication vehicle from direct lightning, adopts a method of erecting the microwave antenna and the LPI active lightning arrester 341 together, the LPI active lightning arrester 341 is composed of a needle point with the length of 750mm and the diameter of 18mm and a pulse generator, and the 2m excessive support tower and the microwave antenna holder 322 are installed on the holder on the top of the 15m antenna lifting tower 31 together, so that the lightning current induced by an antenna feeder line and directly led down can be effectively prevented.

In another embodiment of the present utility model, as shown in fig. 4, two sets of vehicle-mounted air conditioners 7 are arranged at the top of the compartment. Stainless steel guardrails are added around the vehicle-mounted cooling and heating air conditioner 7.

The emergency communication semitrailer is provided with two vehicle-mounted overhead vehicle-mounted cold and warm air conditioners 7 which can normally work in a temperature environment of +55 ℃, adopts an all-metal structure, is firm and compact, and has performance indexes such as impact, vibration, collision, sports car and the like which all meet national standard requirements; the air conditioning system can ensure that when the external environment temperature is between 50 ℃ below zero and 55 ℃, the internal temperature of the compartment body is controlled between +16 ℃ and +28 ℃, and the relative humidity is controlled between 10% and 75%; the vehicle-mounted cooling and heating air conditioner 7 has lower reliability compared with communication equipment; once the air conditioner and the heating equipment fail, the communication equipment cannot work normally; in order to ensure the working reliability of the communication equipment, two sets of vehicle-mounted cooling and heating air conditioners 7 are adopted; under the condition of low cost improvement, the working reliability of the communication equipment is guaranteed, and after the communication equipment arrives at the site, two sets of vehicle-mounted cooling and heating air conditioners 7 can be started at the same time, so that the environment temperature in the communication equipment cabin 2 can reach the requirement of normal working of the communication equipment as soon as possible.

In order to facilitate the connection of the transmission device with an external interface cable, an external interface board is arranged in a skirt box at the right rear side of the vehicle, and 4 622Mb/s optical ports, 4 155Mb/s optical ports and 322 Mb/s electric ports are arranged on the board.

The emergency communication semitrailer centralized control system, namely a console (comprising a lifting tower, a substrate antenna, a cradle head, a skylight, a turnover mechanism, supporting legs, lightning rods and the like), is used for controlling a vehicle-mounted mobile communication system and has the characteristics of centralized control, simple structure, light weight, high efficiency, reliable work, touch screen, short-distance wireless remote control and the like. The centralized control system is designed with one-key deployment and one-key retraction functions. The actions such as supporting leg unfolding, tower cabin unfolding, lifting of the lifting tower and the like can be realized by pressing one key, and the steps have a program interlocking function, so that the next action program can not be performed under the condition that the previous action program is not completed or executed. The safety of the system is ensured. The reverse process also supports one-key stowing.

Finally, it should be noted that: the foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. The emergency communication semitrailer is characterized by comprising a trailer chassis and a carriage body arranged on the trailer chassis, wherein the carriage body comprises a communication equipment cabin, a lifting antenna, an auxiliary equipment cabin and a generator working cabin; an antenna lifting tower, a cradle head system and a lightning protection system are arranged in the lifting antenna and auxiliary equipment cabin, a skylight is arranged at the top of the lifting antenna and auxiliary equipment cabin and corresponds to the position right above the antenna lifting tower, the antenna lifting tower comprises a lifting rod, a base frame is arranged at the top end of the lifting rod, and the cradle head system is arranged on the base frame; the communication equipment cabin is internally provided with a control console and a plurality of cabinets, and the bottoms of the control console and the cabinets are respectively provided with a shock absorber and are connected with the floor of the carriage body through the shock absorbers.

2. The emergency communication semitrailer according to claim 1, wherein a diesel generator is arranged in the generator working cabin, ventilation openings are formed in the bottom and the top of the generator working cabin, and an axial flow fan is arranged in the ventilation openings and used for forced ventilation and heat dissipation.

3. The emergency communication semitrailer of claim 1, wherein the pan-tilt system comprises a base station antenna pan-tilt and a microwave antenna pan-tilt, the base station antenna pan-tilt and the microwave antenna pan-tilt being mounted on a pedestal.

4. The emergency communication semitrailer according to claim 3, wherein a cable winding and unwinding system is arranged in the lifting antenna and auxiliary equipment cabin, the cable winding and unwinding system comprises a cable and a winding and unwinding disc, a coil spring is arranged in the winding and unwinding disc, the cable is wound on the coil spring, and two ends of the cable are respectively connected with the console and the cradle head system.

5. The emergency communication semitrailer according to claim 2, wherein a storage battery is arranged in the generator working cabin, the electric energy output end of the diesel generator is respectively connected with the storage battery and an electric facility, and a commercial power interface is arranged on the carriage body.

6. The emergency communication semitrailer of claim 5, wherein the lower portion of the trailer chassis is provided with a balance support system, the balance support system comprises lifting support legs, the lifting support legs are vertically arranged, the tail portions of the lifting support legs are connected with the trailer chassis, and the lifting support legs are at least four and are respectively arranged on two sides of the front end and the rear end of the trailer chassis.

7. The emergency communication semitrailer of claim 6, wherein a rear leg extension system is provided at a rear end of the trailer chassis, the rear leg extension system comprising a support arm having one end rotatably connected to the trailer chassis horizontally and the other end fixedly connected to the lifting support leg, the support arm employing a ninety degree swivel hinge mount.

8. The emergency communication semitrailer of claim 3, wherein the lightning protection system comprises an active lightning conductor, the active lightning conductor being connected with a dedicated down conductor, the dedicated down conductor being connected with a motorized lightning protection down-flow ground network.

9. The emergency communication semitrailer of claim 1, wherein two sets of vehicle-mounted air conditioners are arranged at the top of the carriage body.

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