CN212656895U

CN212656895U - Mobile lighting vehicle

Info

Publication number: CN212656895U
Application number: CN201920157530.5U
Authority: CN
Inventors: 毛中华; 余稳; 柴志良; 方晓水; 邓小雷; 王建臣; 谢长雄; 林欢
Original assignee: Zhejiang Univpower Machinery Co ltd
Current assignee: Zhejiang Univpower Machinery Co ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2021-03-05
Anticipated expiration: 2029-01-29

Abstract

The utility model relates to a portable lighting apparatus field specifically relates to a mobile lighting car. The sound insulation type power generation system comprises a trailer, a power generation unit and a lighting lighthouse, and is characterized in that a sound insulation unit box for placing the power generation unit is arranged on the trailer, and sound insulation materials are arranged on the inner wall of the unit box; a plurality of wedge-shaped sound-absorbing plates are arranged on the wall of the inner box of the unit box; the radiator of the generator set is arranged outside the generator set box and is connected to a cooling liquid inlet and a cooling liquid outlet of the internal combustion engine through a pipeline; the generator set is hung in the generator set box. Through the technical scheme, the wedge-shaped acoustical panel is arranged on the inner wall of the case, sound waves can be reflected among the acoustical panels for multiple times, and the sound waves can be continuously absorbed and weakened in each reflection, so that the purposes of sound elimination and noise reduction are achieved; the transmission of vibration on the machine body structure is effectively reduced by using the hoisted rope, and then the noise of the whole mobile lighting vehicle is reduced. Meanwhile, the heat dissipation of the generator set cannot be influenced through the external radiator.

Description

Mobile lighting vehicle

Technical Field

The utility model relates to a portable lighting apparatus field specifically relates to a mobile lighting car.

Background

A mobile lighting vehicle is a lighting device mainly applied to the aspects of outdoor operation, emergency rescue and relief, road maintenance, emergency lighting and the like.

Generally, a diesel generating set or a storage battery is used as an energy source. The lighting system can be provided with a power supply for independent power supply, is not limited by a power grid, and can be used in places which are not covered by the power grid or cannot be effectively supplied with power, so that the lighting system can meet the lighting use requirements of various complex scenes. The power supply time is limited by simply using the storage battery, and the use occasion of the storage battery is necessarily limited greatly. Therefore, the storage battery power supply is generally matched with a diesel generating set to form a diesel-storage hybrid power supply scheme.

The mobile lighting vehicle using the diesel generator as a power generation source is used in places with concentrated pedestrian flow, such as squares, airports, roads and the like, and the noise of the diesel generator set is very obvious, so that the outdoor noise of the diesel engine is about 100 dB. Generally, the acceptable noise of people is below 60dB, and the human body can be damaged when the people are in a huge noise environment for a long time; meanwhile, when the noise-free sound insulation board is used in places such as outdoor activities, concerts and the like, the noise can have certain influence on the normal behavior of the activities. The existing noise reduction scheme is that a metal shell is additionally arranged outside a diesel engine to serve as an engine set box, the shell mainly plays a role in protection and has a certain noise reduction function, but due to the heat dissipation problem of the diesel engine set, a large number of heat dissipation holes or ventilation grids are inevitably arranged on the metal shell, and thus the sound insulation effect of the shell is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the mobile lighting vehicle of the diesel generating set power supply that prior art exists big in noise, hinder the generating set heat dissipation when making an uproar and fall using metal casing to give sound insulation and give sound insulation the problem that the effect is not good simultaneously, provide a mobile lighting vehicle, this mobile lighting vehicle has small in noise's advantage.

In order to achieve the above object, the present invention provides a mobile lighting vehicle, including a trailer, a generator set and a lighting beacon, wherein the trailer is provided with a sound insulation unit box for placing the generator set, and the inner walls of the unit box are all provided with sound insulation materials; a plurality of wedge-shaped sound-absorbing plates are arranged on the wall of the inner box of the unit box; the radiator of the generator set is arranged outside the generator set box and is connected to a cooling liquid inlet and a cooling liquid outlet of the internal combustion engine through a pipeline; the generator set is hung in the generator set box, and the generator set is far away from the box bottom of the generator set box.

Preferably, the mobile lighting vehicle further comprises a unit mounting frame, and the unit mounting frame fixed with the generator unit is hung in the unit box through a main rope.

Preferably, an auxiliary rope for preventing the generator set from shaking is further arranged between the unit mounting frame and the unit box.

Preferably, a plurality of the auxiliary ropes are arranged along the circumferential direction of the unit mounting frame, the number of the auxiliary ropes is not less than three, and the initial state of the auxiliary ropes is a stretching state.

Preferably, the wall of the unit box is a double-layer metal plate with a distance, and the metal plates are parallel to each other.

Preferably, noise reduction cotton is filled between the metal plates.

Preferably, the sound-absorbing panel is arranged perpendicularly to the wall of the unit case.

Preferably, the acoustical panels are perpendicular or parallel to each other.

Preferably, the generator set comprises an internal combustion engine, and an air inlet pipe and an air outlet pipe of the internal combustion engine penetrate through the wall of the sound insulation box to be communicated with the outside.

Preferably, the unit box is provided with an air inlet and an air outlet, and the air outlet is provided with an exhaust fan.

Through above-mentioned technical scheme, original unit case is the shell of one deck metal only, and metal casing is too thin leads to the not good so of soundproof material to lay on unit incasement wall with reinforcing soundproof effect. Meanwhile, the wedge-shaped silencing plates are arranged on the inner wall of the case, sound waves can be reflected among the silencing plates for many times, and the sound waves can be continuously absorbed and weakened in each reflection, so that the purposes of silencing and reducing noise are achieved. The generator set is arranged in the generator set box, and meanwhile, the problem of heat dissipation can be caused, the diesel engine generally radiates heat through external liquid cooling, so that a radiator of the generator set is arranged outside the whole generator set box and is connected to the engine through a pipeline to dissipate heat of the engine. Meanwhile, the vibration of the diesel engine during working can be transmitted to the wall of a unit box or a structural frame through the structure, the vibration can be superposed with the high-order natural frequency of the structure to cause the structure to directly generate noise, and the vibration is also a big source of the noise of the whole equipment. Therefore, the engine is hoisted in the unit box, and the transmission of vibration on the machine body structure is effectively reduced by utilizing the hoisted rope, so that the noise of the whole mobile lighting vehicle is reduced.

Drawings

Fig. 1 is a schematic view of the internal structure of the mobile lighting vehicle of the present invention;

fig. 2 is a schematic exterior view of the inner wall of the mobile lighting car unit box 1 of the present invention;

fig. 3 is an enlarged view of a in fig. 2 of the mobile lighting vehicle of the present invention;

fig. 4 is a perspective view of the present invention.

Description of the reference numerals

1-unit box 2-generator set

3-silencing board 4-unit mounting rack

5-main rope 6-radiator

7-auxiliary rope 8-air inlet

9-air outlet

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the present invention, when not stated otherwise, the use of the directional terms such as "up, down, left and right" generally means that the state "inside and outside" shown in fig. 1 of the mobile lighting vehicle of the present invention in the normal operating state refers to the inside-outside relationship of the device itself.

The utility model relates to a mobile lighting vehicle, as shown in figures 1-4, comprising a trailer, a generator set 2 and a lighting lighthouse, wherein the trailer is provided with a sound insulation unit box 1 for placing the generator set 2, and the inner wall of the unit box 1 is provided with sound insulation materials; a plurality of wedge-shaped acoustical boards 3 are arranged on the inner box wall of the unit box 1; the radiator 6 of the generator set 2 is arranged outside the generator set box 1 and is connected to a cooling liquid inlet and a cooling liquid outlet of the internal combustion engine through pipelines; the generator set 2 is hung in the generator set box 1.

In the implementation, the present invention firstly relates to the core parts of the trailer, the lighting beacon, the generator set 2 and the set box 1, wherein the trailer, the lighting beacon and the generator set 2 are known as the conventional technical solutions through the description of the background art, and the improvement of the adaptability of the generator set 2 is made as described in detail later. The trailer is the structural core, installs generating set 2 and lighting beacon on the trailer. Meanwhile, the utility model is also provided with a generator set box 1, and a generator set 2 is arranged in the generator set box 1; meanwhile, sound insulation materials are laid on the inner wall of the group box 13, and preferably the sound insulation materials comprise sound insulation boards, sound insulation cotton, foamed plastics and the like. Meanwhile, in order to enhance the absorption effect of sound waves, a plurality of sound-absorbing plates 3 are arranged on the inner wall of the unit case 1, the sound-absorbing plates 3 are wedge-shaped and are vertically arranged on the wall of the unit case 1, as shown in fig. 2 and 3, only two mutual relations exist between any two sound-absorbing plates 3: perpendicular to each other or parallel to each other. In the figures, a particular embodiment is shown, and there are also other arrangements, in which a plurality of acoustic panels 3, arranged parallel to one another and at equal distances from one another, are grouped into a panel assembly, preferably with a square space occupied by the panels on the walls of the unit box 1, and a plurality of panels are distributed over the walls of the unit box 1. The generator set 2 comprises an internal combustion engine and a generator, preferably, the generator set 2 adopts a diesel generator or a gasoline generator, and further preferably adopts a diesel generator. The use of a unit box 1 with sound insulation will be a source of noise, but at the same time heat dissipation from the engine is at the same time a problem to be solved. Therefore, in the utility model, the generator set 2 adopts liquid cooling heat dissipation, and the radiator 6 of the generator set 2 is arranged outside and on the side wall of the generator set box 1; two pipelines are arranged to form a loop to connect the cooling liquid inlet and outlet of the generator set 2 and the radiator 6. The pump driving the flow of the cooling liquid is generally integrated in the engine, arranged inside the generator set case 1 if a separate pump is required, preferably fixedly mounted on said generator set 2. Meanwhile, when the generator set 2 is installed, the generator set 2 is hung in the generator set box 1, and the rope is not beneficial to the conduction of high-frequency vibration, so that the vibration of the generator set 2 can be greatly reduced and conducted to the generator body structure, and noise is conducted out of the generator set box 1.

Through above-mentioned technical scheme, original unit case 1 is only the shell of one deck metal, and metal casing is too thin leads to the not good so of soundproof material to lay on 1 inner wall of unit case with reinforcing soundproof effect. Meanwhile, the wedge-shaped acoustical panel 3 is arranged on the inner wall of the case, sound waves can be reflected among the acoustical panels 3 for many times, and the sound waves can be continuously absorbed and weakened in each reflection, so that the purposes of sound attenuation and noise reduction are achieved. The generator set 2 is arranged in the generator set box 1, and meanwhile, the problem of heat dissipation can be caused, the diesel engine generally radiates heat through external liquid cooling, so that the radiator 6 of the generator set 2 is arranged outside the whole generator set box 1 and is connected to the engine through a pipeline to dissipate heat of the engine. Meanwhile, the vibration of the diesel engine during working can be transmitted to the wall of the unit box 1 or a structural frame through the structure, the vibration can be superposed with the high-order natural frequency of the structure to cause the structure to directly generate noise, and the vibration is also a big source of the noise of the whole equipment. Therefore, the engine is hoisted in the unit box 1, and the transmission of vibration on the machine body structure is effectively reduced by utilizing the hoisted rope, so that the noise of the whole mobile lighting vehicle is reduced.

The utility model discloses in, the mobile lighting car still includes unit mounting bracket 4, is fixed with generating set 2 unit mounting bracket 4 utilizes main rope 5 hoist and mount to be in unit case 1. Because the generator set 2 is generally provided with a mounting hole at the bottom, the equipment is fixedly mounted from below through bolts and the like; the lifting hook or the lifting ring is mainly used for temporary lifting and cannot be used for long-time lifting. Therefore, the utility model discloses in set up unit mounting bracket 4, as shown in fig. 1, the mounting bracket includes a base, is provided with the construction bolt of installation generating set 2 on the base. Generating set 2 fixed mounting is on

unit mounting bracket

4, and 5 one end of main rope is installed on unit mounting bracket 4, and the hookup location of main rope 5 and unit mounting bracket 4 should be higher than the focus of unit mounting bracket 4 after being equipped with generating set 2 additional simultaneously, is favorable to generating set 2 to keep steadily not easily toppling like this.

Simultaneously be in the utility model discloses a unit mounting bracket 4 with still be provided with on the unit case 1 between and be used for preventing the vice rope 7 that generating set 2 rocked. The equipment of hoist and mount comparatively easily produces the level and rocks, through setting up vice rope 7 and exert a confining force to generating set 2 in the horizontal direction, can effectual reduction rock the production. As is clear from the function of the secondary ropes 7, the secondary ropes 7 should be arranged as perpendicular as possible to the main ropes 5, or the angle between the main ropes 5 and the secondary ropes 7 and the main ropes 5 as shown in fig. 1 is preferably 90-120 degrees

Preferably, the number of the auxiliary ropes 7 is not less than three, and the initial state of the auxiliary ropes 7 is a stretching state.

In order to improve the sound insulation effect of the wall of the unit box 1, the wall of the unit box 1 is a double-layer metal plate with a distance, and the metal plates are parallel to each other. Silencing cotton is filled between the metal plates. By adopting the sandwich structure of the metal plate, the silencing cotton and the metal plate, the sound insulation effect is improved as much as possible on the premise of ensuring the structural strength.

The sound-absorbing plate 3 is arranged perpendicular to the wall of the unit box 1. The acoustical panels 3 are perpendicular or parallel to each other. The main purpose of the above-mentioned two aspects is to make the sound wave reflect between the sound-absorbing plates 3 several times to absorb the sound wave energy for the purpose of sound absorption.

The utility model discloses generating set 2 includes the internal-combustion engine at the concrete implementation in-process, and the internal-combustion engine not only need the heat dissipation still need admit air simultaneously and exhaust, so will the intake pipe and the blast pipe of internal-combustion engine pass 1 tank wall of unit case and external intercommunication.

This is only a solution of the present invention and can also adopt the utility model discloses another solution that provides be provided with air inlet 8 and gas outlet 9 on the unit case 1, gas outlet 9 sets up the air discharge fan. And dust screens are arranged on the air inlet 8 and the air outlet. Set up the air discharge fan on gas outlet 9 and not set up the piling up that can effectively reduce dust in generating set case 1 on air inlet 8, more do benefit to generating set 2 work.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A mobile lighting vehicle comprises a trailer, a generator set (2) and a lighting beacon, and is characterized in that a sound insulation unit box (1) for placing the generator set (2) is arranged on the trailer, and sound insulation materials are arranged on the inner walls of the unit box (1); the inner box wall of the unit box (1) is provided with a plurality of wedge-shaped acoustical panels (3); a radiator (6) of the generator set (2) is arranged outside the generator set box (1) and is connected to a cooling liquid inlet and a cooling liquid outlet of the internal combustion engine through a pipeline; the generator set (2) is hung in the generator set box (1), and the generator set (2) is far away from the box bottom of the generator set box (1);

the mobile lighting vehicle also comprises a unit mounting frame (4), wherein the unit mounting frame (4) fixed with the generator unit (2) is hung in the unit box (1) by using a main rope (5); an auxiliary rope (7) used for preventing the generator set (2) from shaking is further arranged between the generator set mounting frame (4) and the generator set box (1).

2. The mobile lighting vehicle according to claim 1, wherein a plurality of the secondary ropes (7) are circumferentially arranged along the unit mounting frame (4), the number of the secondary ropes is not less than three, and the initial state of the secondary ropes (7) is a stretching state.

3. The mobile lighting cart according to claim 1, wherein the walls of the unit case (1) are double-layered metal plates provided with a spacing, the metal plates being parallel to each other.

4. The mobile lighting cart of claim 3, wherein sound-deadening cotton is filled between the metal plates.

5. Mobile lighting cart according to claim 1, characterized in that the sound-absorbing panel (3) is arranged perpendicular to the wall of the set box (1).

6. Mobile lighting cart according to claim 5, characterized in that said sound-absorbing panels (3) are perpendicular or parallel to each other.

7. The mobile lighting vehicle according to claim 1, characterised in that the generator set (2) comprises an internal combustion engine, the intake and exhaust ducts of which communicate with the outside through the walls of the acoustic box.

8. The mobile lighting vehicle according to claim 1, characterized in that the unit box (1) is provided with an air inlet (8) and an air outlet (9), and an exhaust fan is arranged at the air outlet (9).