WO2019144502A1 - 一种防堵塞的喷气自除尘热交换装置 - Google Patents

一种防堵塞的喷气自除尘热交换装置 Download PDF

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Publication number
WO2019144502A1
WO2019144502A1 PCT/CN2018/081792 CN2018081792W WO2019144502A1 WO 2019144502 A1 WO2019144502 A1 WO 2019144502A1 CN 2018081792 W CN2018081792 W CN 2018081792W WO 2019144502 A1 WO2019144502 A1 WO 2019144502A1
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WIPO (PCT)
Prior art keywords
heat exchange
dust
air
exchange device
fan
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PCT/CN2018/081792
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English (en)
French (fr)
Inventor
张亚军
吴光耀
潘暾
史虓
宋哲文
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国机重工集团常林有限公司
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Publication of WO2019144502A1 publication Critical patent/WO2019144502A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0089—Oil coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0091—Radiators

Definitions

  • the invention belongs to the field of heat exchange equipment, and particularly relates to an anti-clogging jet self-dusting heat exchange device.
  • the tire loader is operated under the conditions of cereals, straws and high dust. Because the grain straw material is light and easy to fly, these dust and debris are easy to block the fins driven by the fan, which affects the working efficiency of the heat exchanger.
  • the abnormal state of the heat exchanger easily causes the temperature of the engine system, the transmission system and the working hydraulic system of the loader to rise abnormally and the failure causes the shutdown, which affects the normal use and brings a large economic loss to the user.
  • most of the tire loaders are double-layer heat exchangers. As shown in Figure 1, due to the space size limitation of the two-layer structure, the existing fin spacing is generally about 3.5 mm, which easily leads to dust blockage.
  • the present invention provides an anti-clogging jet self-dusting heat exchange device.
  • the technical solution of the present invention is an anti-clogging air-jet self-dusting heat exchange device, comprising: a dust-proof net, a cooling integrated device and a fan, the fan being disposed behind the cooling integrated device, the dust-proof net setting In front of the cooling integrated device, the orthographic projection of the dust-proof net completely covers the heat-dissipating fins of the cooling integrated device, and a gap space exists between the cooling integrated device and the dust-proof net, in the gap
  • a plurality of gas tubes are disposed at the edges of the space, each of the gas tubes having a gas injection hole toward the inner side of the gap space, and one end of the gas tube is connected to the air pump through a hose.
  • one end of the plurality of jet tubes is connected to the same main hose through a multi-pass joint, and is sequentially connected to the electromagnetic valve, the water removal filter device, the air reservoir, and the air pump through the total hose.
  • the solenoid valve is connected to a battery for power supply by a switch provided in the loader cab.
  • the cooling integrated device comprises a single-layer intercooler, a water-cooled radiator, and a transmission oil-cooled radiator disposed in the same row.
  • the cooling integrated device has a fin pitch of 5 mm.
  • the two jet tubes are symmetrically disposed on the upper and lower edges of the gap space, respectively.
  • the two jet tubes are symmetrically disposed on the left and right edges of the gap space, respectively.
  • the fan is an air suction fan
  • the wind direction generated is a direction from the dust screen to the fan.
  • the present invention achieves a controllable cleaning action on debris on the dust screen and cooling fins by providing a jet tube between the dust screen and the cooling integrated device.
  • the air flow pipe of the vent pipe is connected with the electromagnetic valve, and the jet valve is controlled to open and close the jet by the electromagnetic valve to effectively clean the debris adsorbed on the radiator dust net. Therefore, the user can realize the maintenance of the cooling integrated device simply by starting the switch after each work by the switch control on the cab.
  • the heat exchanger adopts a single-layer structure, which increases the pitch of the core fins, making the fins less susceptible to clogging.
  • the air reservoir used in the invention is a power source of the loader, and does not consume the whole machine power, and is relatively energy-saving.
  • Figure 1 is a schematic view of a prior art heat exchange device
  • Figure 2 is a schematic view of the anti-clogging jet self-dusting heat exchange device of the present invention.
  • FIG. 3 is a schematic view of a cooling integrated device in a heat exchange device of the present invention.
  • Fig. 4 is a connection diagram of a control device in the heat exchange device of the present invention.
  • 0-cooling integrated device 1-water-cooled radiator; 2-transmission oil-cooled radiator; 3-intercooler; 4-hydraulic oil-cooled radiator; 5-fan; 6-dust net; 7-jet tube; - rubber hose; 9-multi-pass joint; 10--total hose; 11-electromagnetic valve; 12-water removal filter device; 13-air storage cylinder; 14-air pump; 15-switch; 16-battery.
  • the anti-clogging jet self-dusting heat exchange device of the present invention is disposed on a tire loader, and its main working environment is a working environment such as cereals, straws, and high dust.
  • the jet self-dusting heat exchange device mainly comprises: a dust-proof net 6, a cooling integrated device 0 and a fan 5.
  • the fan 5 is disposed behind the cooling integrated device 0, and the dust-proof net 6 is disposed in front of the cooling integrated device 0, and the orthographic projection of the dust-proof net 6 completely covers the cooling integrated device.
  • the fan 5 is an air suction fan, and the wind direction generated by the fan 5 is from the dust screen 6 to the fan 5. Therefore, the debris that is driven by the wind into the heat exchange device is first blocked by the dust screen 6, and then finer debris can enter the cooling integrated device 0.
  • the cooling integrated device 0 of the present invention is arranged in a single-layer structure in which the intercooler 3, the water-cooled radiator 1, and the transmission oil-cooled radiator 2 are disposed in the same row, so that the intercooler 3, water-cooled The heat dissipating fins inside the radiator 1, the transmission oil cooling radiator 2 are in the same row.
  • the fin pitch is selected to be a 5 mm gauge, or other more suitable number, to ensure the spacing between the fins on the basis of ensuring a sufficient number of fins, and to improve the environment in which dust accumulation is likely to occur.
  • the hydraulic oil cooler 4 in the cooling integrated device 0 is additionally disposed at the pedal of the tire loader, and is separately cooled by an electric drive fan.
  • the present invention is also provided with a gas injection tube 7 for actively removing dust.
  • a gas injection tube 7 for actively removing dust.
  • a plurality of jet tubes 7 are disposed at the edges of the gap space.
  • Each of the jet tubes 7 has a gas injection hole toward the inner side of the gap space, and one end of the gas injection tube 7 is connected to the air pump 14 through a hose.
  • the gas from the air pump 14 can be ejected from the gas injection holes, and since the gas has a certain speed pressure,
  • the inventive vent tube 7 structure is effective in removing dust and debris.
  • the two jet tubes 7 are symmetrically disposed on the upper and lower edges of the gap space, respectively.
  • the gas injection holes of the two gas injection tubes 7 are capable of effectively removing the dust inside the interstitial space from the upper portion and the lower portion, respectively.
  • the two jet tubes 7 may also be symmetrically disposed on the left and right edges of the gap space, respectively.
  • the air holes of the two jet tubes 7 are capable of effectively removing dust inside the gap space from the left side and the right side, respectively.
  • Fig. 4 shows a control relationship diagram for controlling the operation of the gas injection pipe 7.
  • One end of the plurality of gas injection pipes 7 is connected to the multi-pass joint through the rubber discharge pipe 8, and is connected to the same main rubber pipe 10 through the conversion of the multi-pass joint.
  • the lance tube 7 is sequentially connected to the solenoid valve 11, the water removal filter device 12, the air reservoir 13, and the air pump 14 through the total hose 10, respectively.
  • the water removal filtering device 12 is capable of filtering the gas coming out of the air reservoir 13 to avoid damaging the solenoid valve 11.
  • the solenoid valve 11 is connected to the battery 16 for supplying power through a switch 15 provided in the cab of the loader.
  • the user can actively control the dust removing operation to the heat exchange device through the switch 15.
  • the solenoid valve 11 is opened, and the air pump 14 transmits the gas in the air reservoir 13 to the air injection tube 7.
  • the gas exits from the gas injection holes of the gas pipe 7, thereby dusting the dust screen 6 and the fins.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

一种防堵塞的喷气自除尘热交换装置，包括：挡尘网（6）、冷却集成装置（0）以及风扇（5），风扇（5）设置于冷却集成装置（0）的后方，挡尘网（6）设置于冷却集成装置（0）前方，挡尘网（6）的正投影完全覆盖冷却集成装置（0）的散热翅片，在冷却集成装置（0）与挡尘网（6）之间具有间隙空间，在间隙空间的边沿处设置有多个喷气管（7），每一喷气管（7）都具有朝向间隙空间的内侧的喷气孔，喷气管（7）的一端通过胶管与气泵（14）连接。该装置能够有效清除吸附在防护网上的杂物，杜绝了装载机在谷物类、秸秆类、高粉尘类作业环境下易堵塞的情况，保证了产品的正常使用。

Description

一种防堵塞的喷气自除尘热交换装置 技术领域
本发明属于热交换设备领域，尤其涉及到一种防堵塞的喷气自除尘热交换装置。
背景技术
目前，轮胎式装载机在作业对象为谷物类、秸秆类及高粉尘类的工况下。由于谷物秸秆物料轻，容易飞扬，这些粉尘杂物在风扇带动下容易堵塞翅片，影响换热器工作效率。换热器的异常状态容易使得装载机的发动机系统、传动系统、工作液压系统温度异常升高而出现故障导致停工，影响了正常使用，给用户带来了较大的经济损失。而目前轮胎式装载机现大多采用双层结构换热器，如图1所示，由于双层结构的空间尺寸限制，现有的翅片间距一般选择3.5mm左右，容易导致粉尘堵塞堆积。
发明内容
为解决现有技术存在粉尘易堵塞装载机的换热装置，从而造成异常故障的缺陷，本发明提供了一种防堵塞的喷气自除尘热交换装置。
本发明的技术方案为，一种防堵塞的喷气自除尘热交换装置，包括：挡尘网、冷却集成装置以及风扇，所述风扇设置于所述冷却集成装置的后方，所述挡尘网设置于所述冷却集成装置前方，所述挡尘网的正投影完全覆盖所述冷却集成装置的散热翅片，在所述冷却集成装置与所述挡尘网之间具有间隙空间，在所述间隙空间的边沿处设置有 多个喷气管，每一所述喷气管都具有朝向所述间隙空间的内侧的喷气孔，所述喷气管的一端通过胶管与气泵连接。
优选的，所述多个喷气管的一端通过多通接头连接于同一总胶管上，并通过所述总胶管分别与电磁阀、除水过滤装置、储气筒、所述气泵顺序连接。
优选的，所述电磁阀通过设置在装载机驾驶室的开关与用于供电的电瓶连接。
优选的，所述冷却集成装置包括位于同一排的单层设置的中冷器、水冷散热器、传动油冷散热器。
优选的，所述冷却集成装置的翅片间距为5mm。
优选的，两个所述喷气管分别对称设置于所述间隙空间的上边沿和下边沿。
优选的，两个所述喷气管分别对称设置于所述间隙空间的左边沿和右边沿。
优选的，所述风扇为吸风式风扇，其产生的风向为由所述挡尘网到所述风扇的方向。
有益效果：本发明通过在挡尘网和冷却集成装置之间设置喷气管，实现了对挡尘网和冷却翅片上杂物的可控制的清除动作。并且，喷气管的气流管道与电磁阀连接，通过电磁阀通断来控制喷气管定点喷气，可有效清理散热器挡尘网上吸附的杂物。因此，使用者通过驾驶室上开关控制，仅需在每次工作后启动开关，简单地实现了冷却集成装置的维护。而且，换热器采用单层结构，加大了芯体翅片间距，使得翅 片更不易被堵塞。在发明中所使用的储气筒为装载机自带的动力源，不消耗整机功率，较为节能。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1为现有技术热交换装置的示意图；
图2为本发明防堵塞的喷气自除尘热交换装置的示意图；
图3为本发明热交换装置中冷却集成装置的示意图；
图4为本发明热交换装置中控制装置关系连接图。
图中各符号表示的含义如下：
0-冷却集成装置；1-水冷散热器；2-传动油冷散热器；3-中冷器；4-液压油冷散热器；5-风扇；6-挡尘网；7-喷气管；8-分胶管；9-多通接头；10-总胶管；11-电磁阀；12-除水过滤装置；13-储气筒；14-气泵；15-开关；16-电瓶。
具体实施方式
下面结合附图对本发明的具体实施方式作进一步说明。在此需要说明的是，对于这些实施方式的说明用于帮助理解本发明，但并不构成对本发明的限定。
如图2所示，本发明防堵塞的喷气自除尘热交换装置设置在轮胎式装载机上，其主要工作环境为谷物类、秸秆类、高粉尘类等作业环 境。喷气自除尘热交换装置主要包括：挡尘网6、冷却集成装置0以及风扇5。其中，所述风扇5设置于所述冷却集成装置0的后方，所述挡尘网6设置于所述冷却集成装置0前方，所述挡尘网6的正投影完全覆盖所述冷却集成装置0的散热翅片。在本实施例中，所述风扇5为吸风式风扇，其产生的风向为由所述挡尘网6到所述风扇5的方向。因此，由风力带动进入热交换装置的杂物，首先就被挡尘网6隔离阻拦，然后更细小的杂物才能够进入到冷却集成装置0中。
如图3所示，本发明的冷却集成装置0布置成单层结构，其中的中冷器3、水冷散热器1、传动油冷散热器2设置在同一排，以使得中冷器3、水冷散热器1、传动油冷散热器2内部的散热翅片处于同一排。在本实施例中，翅片间距选择为5mm规格，或者其他更合适的数字，以在保证翅片数量足够的基础上，扩大翅片之间的间距，改善易使粉尘堆积的环境。冷却集成装置0中的液压油冷散热器4另设置在轮胎式装载机扶梯踏板处，单独采用电驱动风扇散热。
除了上述冷却器单层设置的结构之外，本发明还设置有用于主动清除粉尘的喷气管7。在所述冷却集成装置0与所述挡尘网6之间具有间隙空间。多个喷气管7设置在所述间隙空间的边沿处。每一所述喷气管7都具有朝向所述间隙空间的内侧的喷气孔，所述喷气管7的一端通过胶管与气泵14连接。因此，在需要对挡尘网6和冷却集成装置0中的翅片进行除尘除杂物的处理时，来自气泵14的气体能够从喷气孔喷出，由于气体具有一定的速度压力，因此，本发明的喷气管7结构能够有效清除粉尘和杂物。在本实施例中，两个所述喷气管 7分别对称设置于所述间隙空间的上边沿和下边沿。两个喷气管7的喷气孔能够从上部和下部分别对间隙空间内部的粉尘进行有效清除。在其他实施例中，两个所述喷气管7还可以分别对称设置于所述间隙空间的左边沿和右边沿。两个喷气管7的喷气孔能够从左侧和右侧分别对间隙空间内部的粉尘进行有效清除。
图4示出了控制喷气管7工作的控制关系图。多个喷气管7的一端通过分胶管8连接至多通接头，并通过多通接头的转换连接至同一总胶管10上。然后，喷气管7通过所述总胶管10分别与电磁阀11、除水过滤装置12、储气筒13、所述气泵14顺序连接。除水过滤装置12能够过滤将储气筒13中出来的气体，避免损坏电磁阀11。其中，电磁阀11通过设置在装载机驾驶室的开关15与用于供电的电瓶16连接。因此，使用者能够通过开关15主动控制对热交换装置的除尘操作。开关15闭合后，电磁阀11打开，气泵14将储气筒13中的气体传输到喷气管7。气体从喷气管7的喷气孔中离开，从而对挡尘网6和翅片进行除尘。
以上结合附图对本发明的实施方式作了详细说明，但本发明不限于所描述的实施方式。对于本领域的技术人员而言，在不脱离本发明原理和精神的情况下，对这些实施方式进行多种变化、修改、替换和变型，仍落入本发明的保护范围内。

Claims (8)

  1. 一种防堵塞的喷气自除尘热交换装置，其特征在于，包括：挡尘网、冷却集成装置以及风扇，所述风扇设置于所述冷却集成装置的后方，所述挡尘网设置于所述冷却集成装置前方，所述挡尘网的正投影完全覆盖所述冷却集成装置的散热翅片，在所述冷却集成装置与所述挡尘网之间具有间隙空间，在所述间隙空间的边沿处设置有多个喷气管，每一所述喷气管都具有朝向所述间隙空间的内侧的喷气孔，所述喷气管的一端通过胶管与气泵连接。
  2. 根据权利要求1所述的一种防堵塞的喷气自除尘热交换装置，其特征在于，所述多个喷气管的一端通过多通接头连接于同一总胶管上，并通过所述总胶管分别与电磁阀、除水过滤装置、储气筒、所述气泵顺序连接。
  3. 根据权利要求2所述的一种防堵塞的喷气自除尘热交换装置，其特征在于，所述电磁阀通过设置在装载机驾驶室的开关与用于供电的电瓶连接。
  4. 根据权利要求1-3中任一项所述的一种防堵塞的喷气自除尘热交换装置，其特征在于，所述冷却集成装置包括位于同一排的单层设置的中冷器、水冷散热器、传动油冷散热器。
  5. 根据权利要求4所述的一种防堵塞的喷气自除尘热交换装置，其特征在于，所述冷却集成装置的翅片间距为5mm。
  6. 根据权利要求4所述的一种防堵塞的喷气自除尘热交换装置，其特征在于，两个所述喷气管分别对称设置于所述间隙空间的上边沿和下边沿。
  7. 根据权利要求4所述的一种防堵塞的喷气自除尘热交换装置，其特征在于，两个所述喷气管分别对称设置于所述间隙空间的左边沿和右边沿。
  8. 根据权利要求1所述的一种防堵塞的喷气自除尘热交换装置，其特征在于，所述风扇为吸风式风扇，其产生的风向为由所述挡尘网到所述风扇的方向。
PCT/CN2018/081792 2018-01-23 2018-04-04 一种防堵塞的喷气自除尘热交换装置 WO2019144502A1 (zh)

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