CN216072632U

CN216072632U - Closed well elevator heat abstractor

Info

Publication number: CN216072632U
Application number: CN202122177303.9U
Authority: CN
Inventors: 冯双昌; 陈杰; 梁海珍; 方良; 常晓清
Original assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Current assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-18
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to a heat dissipation device for a closed hoistway elevator, which is characterized in that an inner space is defined by a rectangular rear panel, a rectangular top plate, a left trapezoidal side plate, a right trapezoidal side plate and a front panel with an opening inclined downwards, which are fixed on the rear side wall of the top of a hoistway, the heat dissipation device is divided into a first shell and a second shell which are mutually heat-sealed by a vertical first partition plate and a horizontal second partition plate, a first ventilating fan and a first heat radiator which are used for forming air flow with the outside are arranged in the first shell, a second ventilating fan and a second heat radiator which are used for forming air flow with the hoistway are arranged in the second shell, and the first heat radiator and the second heat radiator are respectively communicated with each other through the first heat radiation pipe and the second heat radiation pipe and are internally provided with cold coal for realizing circulating cooling. Compared with the prior art, the utility model has the advantages of good heat dissipation effect, high efficiency, energy conservation, convenient installation, wide application and the like.

Description

Closed well elevator heat abstractor

Technical Field

The utility model relates to the technical field of elevator detection, in particular to a heat dissipation device for an elevator with a closed hoistway.

Background

At present, for a closed hoistway elevator, particularly an outdoor machine room-less elevator adopting a transparent glass hoistway, because of the closed interior of the hoistway and no ventilation system, in a high-temperature, rainy, dusty and windy environment, after sunshine irradiation in summer, heat is transferred to the hoistway, and along with the emission of heat generated by heat-generating equipment such as a driving host, a control cabinet and a car air conditioner positioned on the top of a car into the hoistway, at the moment, hot air rises, the temperature of the upper part of the hoistway cannot be timely dissipated, the highest temperature of the hoistway is far higher than the requirement that the air temperature of a machine room or a machine equipment room specified in TSG 7001 and 2009 is kept between 5 ℃ and 40 ℃, and accidents such as the halt and the failure of the elevator caused by the overhigh working temperature in the hoistway, the equipment damage and the elevator trapping are easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a heat dissipation device for an elevator with a closed shaft.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a seal well elevator heat abstractor, this heat abstractor encloses into the inner space by fixing rectangle rear panel, rectangle roof on the rear side wall at well top, two trapezoidal curb plates of left and right sides and opening slant decurrent front panel jointly to cut apart into mutual heat-seal's first casing and second casing through vertical first baffle and level to second baffle, be equipped with in first casing inside and be used for forming the first ventilating fan and the first radiator that the air flows with the external world, be equipped with in second casing inside and be used for forming second ventilating fan and the second radiator that the air flows with the well, first radiator and second radiator communicate each other and built-in cold coal through first cooling tube and second cooling tube respectively for realize the circulation cooling.

The first partition plate is provided with a first sealing plug mounting hole and a second sealing plug mounting hole at positions penetrating through the first radiating pipe and the second radiating pipe respectively, and the first sealing plug mounting hole and the second sealing plug mounting hole are used for mounting the first sealing plug and the second sealing plug to achieve the heat sealing performance of the first shell and the second shell.

The first partition board is used as a front panel of the first shell, the second partition board is used as a bottom board of the first shell, upper rectangular areas of the left trapezoidal side board and the right trapezoidal side board are respectively used as a left side board and a right side board of the first shell, an upper rectangular area of the rectangular rear panel is used as a rear panel of the first shell, and the first ventilation fan is installed in the middle of the rear panel of the first shell.

The first radiator is fixed inside the first shell through the first mounting bracket and is arranged right opposite to the first ventilating fan.

The second radiator is fixed inside the second shell through a second mounting bracket.

The second shell is provided with air outlets at the left side and the right side respectively, an air inlet is arranged on the front panel with an inclined downward opening, and the second radiator is arranged opposite to the air inlet.

The air outlets on the left side and the right side are respectively provided with a first grating and a second grating, and the air inlet on the front panel is provided with a third grating.

The front surface of the second ventilating fan is opposite to the air inlet, and the back surface of the second ventilating fan is communicated with the air outlet so as to realize air circulation in the second shell.

The side plate of the first shell is provided with a power supply interface, and the power supply interface supplies power to the first ventilating fan and the second ventilating fan through power lines.

The cold coal is distilled water or ethylene glycol.

Compared with the prior art, the utility model has the following advantages:

the device has good tightness, has the advantages of water resistance and dust resistance for outdoor machine rooms, and can effectively avoid the influence of corrosive and flammable gas and conductive dust in the environment due to heat conversion.

The device can form air convection relative to an elevator provided with a hoistway vent when the elevator is used for opening and closing doors, and can form air convection through the vent when the elevator is used for outdoor strong wind in an elevator landing, and after the landing doors are opened, the elevator can cause an elevator fault that the doors cannot be closed due to overlarge wind resistance.

The heat dissipation effect and the comfort are fully considered by the device, the heat exchange in the closed space can effectively avoid running noise and wind noise, and the device can adjust the appearance size according to the actual condition.

Fourth, energy-efficient, simple to operate uses extensively, and this device mainly forms the air flow in two independent spaces through two fans, through first, the second fan initiative ventilation cooling for circulation of air improves the radiating efficiency.

Drawings

Fig. 1 is a schematic view of the mounting structure of the present invention.

Fig. 2 is a schematic plan view of the present invention.

Fig. 3 is a schematic perspective view of the present invention.

Description of reference numerals:

1. the heat dissipation device comprises a heat dissipation device, 2, a hoistway, 3, a car, 41, a first guide rail, 42, a second guide rail, 5, a hoistway top, 6, a pit, 111, a first shell, 112, a second shell, 121, a first sealing plug, 122, a second sealing plug, 131, a first ventilation fan, 132, a second ventilation fan, 141, a first mounting bracket, 142, a second mounting bracket, 151, a first radiator, 152, a second radiator, 16, a power line, 171, a first grille, 172, a second grille, 173, a third grille, 181, a first radiating pipe, 182, a second radiating pipe, 183, a first sealing plug, 184, a second mounting hole, 19, a power supply interface, 20, a bolt hole, 21, a fixing bracket, 22, a first panel, 23, a first partition, 24 and a second partition.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments.

Example (b):

as shown in fig. 1, the present invention provides a heat dissipating device for an elevator with a closed hoistway, which includes a heat dissipating device 1, a hoistway 2, a car 3, a first guide rail 41, a second guide rail 42, a hoistway top 5, and a pit 6, wherein the heat dissipating device is mainly installed at the hoistway top 5, and the elevator car travels up and down in the hoistway 2 along the first guide rail 41 and the second guide rail 42.

As shown in fig. 2, the heat sink for elevator of the present invention mainly comprises: the radiator comprises a first shell 111, a second shell 112, a first sealing plug 121, a second sealing plug 122, a first ventilating fan 131, a second ventilating fan 132, a first mounting bracket 141, a second mounting bracket 142, a first radiator 151, a second radiator 152, a power line 16, a first grille 171, a first radiating pipe 181, a second radiating pipe 182 and a power interface 19.

The first mounting bracket 141 and the second mounting bracket 142 are respectively fixed on the first shell 111 and the second shell 112 in a welding or bolt connection mode, and are mainly used for fixing the first radiator 151 and the second radiator 152, so that the independence of the two shells is ensured, the two radiators and the two radiating pipes are firmly mounted, the radiators generally comprise a base plate and radiating fins, and the surfaces of the radiating fins are in contact with high-temperature air, so that the heat conduction is achieved, and the heat transfer is realized.

In order to radiate heat inside the hoistway to the outside, the first heat radiating pipe 181 and the second heat radiating pipe 182 are connected together by injecting a refrigerant (distilled water, ethylene glycol, or the like) into the first heat radiator 151 and the second heat radiator 152, and in order to ensure the sealing performance of the first housing 111 and the second housing 112, the two housings are sealed with each other by the first sealing plug 121 and the second sealing plug 122.

The power interface 19 may be connected to an external power source, and supplies power to the first fan 131 and the second fan 132 through the power cord 16, so that the first fan 131 discharges high-temperature gas from the inside of the first casing 111 to the outside, the second fan 132 discharges cooled gas from the inside of the second casing 112 into the hoistway 2, high-temperature gas is sucked from the inside of the hoistway into the second casing 112 in an accelerated manner, and the cooled gas is discharged from the grille into the hoistway again, thereby lowering the temperature in the hoistway.

Due to gravity, the refrigerant in the second heat sink 152 is heated and vaporized by the surface contact refrigerant in the second housing 112, absorbs the heat in the hoistway by the second fan 132, the refrigerant vapor floats upwards when heated, the refrigerant vapor is transmitted to the first heat sink 151 by the second heat dissipation pipe 182, the refrigerant is cooled and changed into liquid in the first housing 111, the heat is released, the heat is transmitted to the outdoor by the first fan 131, and the liquid refrigerant returns to the second heat sink by the first heat dissipation pipe 181 again, so that the heat dissipation of the hoistway is realized.

As shown in fig. 3, the bolt hole 20, the fixing bracket 21, the first panel 22, the first partition 23, the second partition 24, the second grill 172, the third grill 173, the first plug mounting hole 183, and the second plug mounting hole 184 are included.

The first casing 111 and the second casing 112 are respectively composed of an upper casing, a lower casing, a left casing, a right casing, a front casing (side casing) and a rear casing, the first casing 111 and the second casing 112 are divided into two relatively sealed independent spaces by a first partition plate 23 and a second partition plate 24, the device is fixed on the side wall of the hoistway top 5 through bolt holes 20 and a fixing support 21, and is connected with an external power supply through a power supply interface 19, so that the first fan 131 and the second fan 132 work to form air flow, and therefore the purpose of heat dissipation is achieved, and the first sealing plug 121 and the second sealing plug 122 are mounted at the first sealing plug mounting hole 183 and the second sealing plug mounting hole 184 on the first partition plate 23, so that the sealing performance of the two casings is achieved.

After the second fan 132 rotates, high-temperature air in the hoistway enters the second casing 112 through the third grille 173, heat is transferred to the first casing 111 through the way that the high-temperature air and cold coal in the second casing are vaporized and liquefied when meeting heat through the radiator, the heat is discharged to the outside through the first fan 131 after reaching the first casing, meanwhile, the cooled air is discharged into the hoistway again through the first grille 171 and the second grille 172, the hot air rises, and the cold air falls, so that the purpose of cooling is achieved.

The heat exchange is carried out through the two closed spaces and the refrigerants (distilled water and ethylene glycol) in the heat dissipation pipes, the whole transmission process is stable, the heat dissipation efficiency is high, the heat exchange device is particularly suitable for special occasions with sealing requirements, and accidents such as equipment damage, elevator people trapping and the like caused by the fact that the elevator is halted and breaks down due to overhigh working temperature in the hoistway can be effectively avoided.

Claims

1. A heat dissipation device for an elevator with a closed hoistway is characterized in that an inner space is defined by a rectangular rear panel, a rectangular top plate, a left trapezoidal side plate, a right trapezoidal side plate and a front panel with an opening inclined downwards which are fixed on the rear side wall of a hoistway top (5), the heat dissipation device (1) is divided into a first shell (111) and a second shell (112) which are mutually heat-sealed by a vertical first partition plate (23) and a horizontal second partition plate (24), a first ventilating fan (131) and a first radiator (151) which are used for forming air flow with the outside are arranged in the first shell (111), a second ventilating fan (132) and a second radiator (152) which are used for forming air flow with the hoistway (2) are arranged in the second shell (112), the first radiator (151) and the second radiator (152) are respectively communicated with each other through a first radiating pipe (181) and a second radiating pipe (182) and are internally provided with cold coal, so as to realize the circulating cooling.

2. The heat dissipating device for elevators closing the hoistway as claimed in claim 1, wherein the first partition (23) is formed with a first sealing plug mounting hole (183) and a second sealing plug mounting hole (184) at positions passing through the first heat dissipating pipe (181) and the second heat dissipating pipe (182), respectively, for mounting the first sealing plug (121) and the second sealing plug (122) to achieve the heat sealing performance of the first housing (111) and the second housing (112).

3. The heat dissipating device for an elevator with a closed hoistway as claimed in claim 1, wherein the first partition (23) is a front panel of the first casing (111), the second partition (24) is a bottom panel of the first casing (111), upper rectangular regions of the left and right trapezoidal side panels are left and right side panels of the first casing (111), respectively, an upper rectangular region of the rectangular rear panel is a rear panel of the first casing (111), and the first ventilating fan (131) is installed in the middle of the rear panel of the first casing (111).

4. The heat dissipating device for an elevator with an enclosed shaft as set forth in claim 1, wherein the first heat sink (151) is fixed inside the first casing (111) by a first mounting bracket (141) and disposed opposite to the first ventilating fan (131).

5. A heat sink for an elevator with an enclosed hoistway as defined in claim 1 wherein the second heat sink (152) is secured to the interior of the second housing (112) by a second mounting bracket (142).

6. The heat dissipating device for elevators in closed hoistways according to claim 1, wherein the second housing (112) has air outlets on the left and right sides, respectively, and an air inlet on the front panel having an obliquely downward opening, and the second heat sink (152) is disposed opposite to the air inlet.

7. The heat dissipating device for an elevator with a closed shaft as claimed in claim 6, wherein the air outlets of the left and right sides are respectively provided with a first grill (171) and a second grill (172), and the air inlet of the front panel is provided with a third grill (173).

8. The heat dissipating device for an elevator with a closed shaft as set forth in claim 5, wherein the second ventilating fan (132) is disposed at a front side opposite to the air inlet and at a rear side communicating with the air outlet for circulating air inside the second casing (112).

9. The heat dissipation device for the elevator with the closed hoistway as claimed in claim 3, wherein a power interface (19) is formed on a side plate of the first housing (111), and the power interface (19) supplies power to the first ventilating fan (131) and the second ventilating fan (132) through a power cord (16).

10. The heat dissipating device for an elevator with a closed shaft as claimed in claim 1, wherein the cold coal is distilled water or ethylene glycol.