CN216557765U - A dual heat source complementary heat pump unit - Google Patents

A dual heat source complementary heat pump unit Download PDF

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CN216557765U
CN216557765U CN202123306521.4U CN202123306521U CN216557765U CN 216557765 U CN216557765 U CN 216557765U CN 202123306521 U CN202123306521 U CN 202123306521U CN 216557765 U CN216557765 U CN 216557765U
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heat pump
wall
air
source heat
intake pipe
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关其金
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Foshan Shiyuan Energy Saving Technology Co ltd
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Abstract

本实用新型公开了一种双热源互补式热泵机组,涉及一种热泵机组技术领域,包括箱体、空气源热泵和水源热泵,其中箱体内部安装空气源热泵和水源热泵,空气源热泵的输入端通过连接法兰和进气管连接在一起,水源热泵的输入端和进水管连接在一起,进气管端部设置有挡球,挡球在挤压弹簧的弹性作用下密封在梯形孔内,完成对进气管的密封,避免在不工作时,外部杂质进入空气源热泵内,提高空气源热泵的使用寿命,在工作过程中,开启风扇降低挡球内侧的压力,在外部气压的作用下推动挡球向进气管内侧移动,将进气管导通,将外部气体导入空气源热泵内,并且空气在流动过程中通过消音翼板和消音棉对空气进行缓冲消音,减少空气高速流动过程中产生的噪音。

Figure 202123306521

The utility model discloses a double heat source complementary heat pump unit, which relates to the technical field of a heat pump unit, comprising a box body, an air source heat pump and a water source heat pump, wherein an air source heat pump and a water source heat pump are installed inside the box body, and the input of the air source heat pump is The ends are connected together by the connecting flange and the intake pipe, the input end of the water source heat pump is connected with the intake pipe, the end of the intake pipe is provided with a blocking ball, and the blocking ball is sealed in the trapezoidal hole under the elastic action of the compression spring. Seal the air intake pipe to prevent external impurities from entering the air source heat pump when it is not working, and improve the service life of the air source heat pump. During the working process, turn on the fan to reduce the pressure inside the blocking ball, and push the blocking ball under the action of external air pressure. The ball moves to the inside of the air intake pipe, conducts the air intake pipe, and introduces the external air into the air source heat pump, and the air is buffered and muffled by the muffler flap and muffler cotton during the flow process to reduce the noise generated during the high-speed flow of the air. .

Figure 202123306521

Description

一种双热源互补式热泵机组A dual heat source complementary heat pump unit

技术领域technical field

本实用新型涉及热泵机组技术领域,具体是一种双热源互补式热泵机组。The utility model relates to the technical field of heat pump units, in particular to a double heat source complementary heat pump unit.

背景技术Background technique

热泵机组是利用压缩机的作用,通过消耗一定的辅助能量如电能,在压缩机和换热系统内循环的制冷剂的共同作用下,由环境热源如水、空气中吸取较低温热能,然后转换为较高温热能释放至循环介质如水、空气中成为高温热源输出。The heat pump unit utilizes the function of the compressor, through the consumption of a certain auxiliary energy such as electric energy, under the joint action of the compressor and the refrigerant circulating in the heat exchange system, the lower temperature heat energy is absorbed from the environmental heat source such as water and air, and then It is converted into high temperature heat energy and released to circulating medium such as water and air to become high temperature heat source output.

现有热泵机组常常配合空气源热泵和水源热泵同时使用,而空气源热泵的进气管常常暴露设置,在不使用时,外部雨水和灰尘容易从管体进入空气源热泵内,降低空气源热泵的使用寿命。Existing heat pump units are often used with air source heat pumps and water source heat pumps at the same time, while the air intake pipes of air source heat pumps are often exposed. service life.

发明内容SUMMARY OF THE INVENTION

针对现有技术中存在的问题,本实用新型的目的在于提供一种双热源互补式热泵机组,稳定性更强。Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a dual heat source complementary heat pump unit with stronger stability.

为实现上述目的,本实用新型提供如下技术方案:包括箱体、空气源热泵和水源热泵,其中箱体内部滑动安装有底座,底座的顶部安装空气源热泵和水源热泵,并且空气源热泵的输入端通过连接法兰和进气管连接在一起,水源热泵的输入端和进水管连接在一起,进水管和外部水源连通在一起,同时箱体靠近进气管的一侧壁上开设有通孔,进气管的端部从通孔内伸出箱体,并且进气管的底壁上安装有立柱,立柱安装在底座的顶壁上,所述进气管远离空气源热泵的一端开设有梯形孔,梯形孔的内侧设置有挡球,挡球远离梯形孔的一侧壁上安装有伸缩连杆二,伸缩连杆二的另一端安装在连接板的侧壁上,连接板安装在进气管的内壁上,并且伸缩连杆二的外侧设置有挤压弹簧,挤压弹簧的两端分别和挡球和连接板的侧壁连接在一起,其中挡球在挤压弹簧的弹性作用下密封在梯形孔内。In order to achieve the above purpose, the utility model provides the following technical solutions: including a box, an air source heat pump and a water source heat pump, wherein a base is slidably installed inside the box, an air source heat pump and a water source heat pump are installed on the top of the base, and the input of the air source heat pump The end is connected with the connecting flange and the air inlet pipe, the input end of the water source heat pump is connected with the water inlet pipe, and the water inlet pipe is connected with the external water source. The end of the air pipe extends out of the box from the through hole, and a column is installed on the bottom wall of the air intake pipe, and the column is installed on the top wall of the base. The end of the air intake pipe away from the air source heat pump is provided with a trapezoidal hole. A blocking ball is arranged on the inner side of the blocking ball, and the second telescopic connecting rod is installed on one side wall of the blocking ball away from the trapezoidal hole. The outer side of the telescopic link 2 is provided with a compression spring, the two ends of the compression spring are respectively connected with the blocking ball and the side wall of the connecting plate, wherein the blocking ball is sealed in the trapezoidal hole under the elastic action of the compression spring.

作为本实用新型进一步的方案:所述连接板远离挡球的一侧设置有风扇,风扇安装在安装杆的侧壁上,安装杆安装在进气管的内壁上,并且进气管远离挡球一侧内壁中安装有消音棉,消音棉靠近空气源热泵进行设置,其中消音棉和风扇之间设置有多组消音翼板,消音翼板交错设置在进气管的内壁上。As a further solution of the present invention, a fan is arranged on the side of the connecting plate away from the blocking ball, the fan is installed on the side wall of the installation rod, the installation rod is installed on the inner wall of the air inlet pipe, and the air inlet pipe is far away from the blocking ball side Muffler cotton is installed in the inner wall, and the muffler cotton is arranged close to the air source heat pump, wherein a plurality of groups of muffler wings are arranged between the muffler cotton and the fan, and the muffler wings are alternately arranged on the inner wall of the air intake pipe.

作为本实用新型进一步的方案:所述底座的底壁上安装有缓冲垫,缓冲垫的另一端安装在箱体的底壁上,并且底座的左右两侧开设有斜边,斜边上滑动安装有滚球,滚球转动安装在支撑杆的顶壁上,支撑杆的底部安装在滑块的顶壁上,滑块滑动安装在箱体的底壁上,同时滑块远离缓冲垫的一侧壁上安装有伸缩连杆一,伸缩连杆一的另一端安装在箱体的内壁上,并且伸缩连杆一的外侧设置有缓冲弹簧,缓冲弹簧的两端分别和箱体的内壁以及滑块的侧壁连接在一起。As a further solution of the present invention: a buffer pad is installed on the bottom wall of the base, the other end of the buffer pad is installed on the bottom wall of the box, and the left and right sides of the base are provided with beveled edges, which are slidably installed on the beveled edges. There is a rolling ball, the rolling ball is rotatably installed on the top wall of the support rod, the bottom of the support rod is installed on the top wall of the slider, the slider is slidably installed on the bottom wall of the box, and the slider is away from the side of the buffer pad A telescopic link 1 is installed on the wall, the other end of the telescopic link 1 is installed on the inner wall of the box body, and a buffer spring is arranged on the outside of the telescopic link 1, and the two ends of the buffer spring are respectively connected with the inner wall of the box body and the slider. side walls are connected together.

作为本实用新型进一步的方案:所述箱体的通孔内安装有密封环,密封环扣合在进气管的外壁上,并且密封环的外壁通过伸缩连板和通孔的内壁连接在一起,其中密封环的外壁上安装有多组连接弹簧,连接弹簧的另一端和通孔的内壁连接在一起。As a further solution of the present invention, a sealing ring is installed in the through hole of the box body, the sealing ring is fastened on the outer wall of the air intake pipe, and the outer wall of the sealing ring is connected with the inner wall of the through hole through the telescopic connecting plate, A plurality of groups of connection springs are installed on the outer wall of the sealing ring, and the other end of the connection springs is connected with the inner wall of the through hole.

作为本实用新型再进一步的方案:所述进气管的锥型孔外侧安装有过滤网,过滤网的上下两侧壁上安装有一对侧板,侧板通过连接弹簧和进气管端部侧壁连接在一起。As a further solution of the present utility model: a filter screen is installed on the outer side of the tapered hole of the air intake pipe, a pair of side plates are installed on the upper and lower side walls of the filter screen, and the side plates are connected with the side wall of the end of the air intake pipe through a connecting spring together.

由于采用上述技术方案,本实用新型具有以下优越性:本实用新型的进气管端部设置有挡球,挡球在挤压弹簧的弹性作用下密封在梯形孔内,完成对进气管的密封,避免在不工作时,外部杂质进入空气源热泵内,提高空气源热泵的使用寿命,而在工作过程中,开启风扇降低挡球内侧的压力,在外部气压的作用下推动挡球向进气管内侧移动,将进气管导通,将外部气体导入空气源热泵内,并且空气在流动过程中通过消音翼板和消音棉对空气进行缓冲消音,减少空气高速流动过程中产生的噪音,实用性更强。Due to the adoption of the above-mentioned technical solutions, the present invention has the following advantages: the end of the air intake pipe of the present invention is provided with a blocking ball, and the blocking ball is sealed in the trapezoidal hole under the elastic action of the compression spring to complete the sealing of the air intake pipe, Avoid foreign impurities entering the air source heat pump when it is not working, and improve the service life of the air source heat pump. During the working process, turn on the fan to reduce the pressure inside the blocking ball, and push the blocking ball to the inside of the intake pipe under the action of external air pressure. Move, conduct the air intake pipe, introduce the external air into the air source heat pump, and the air is buffered and muffled by the muffler flap and muffler cotton during the flow process, reducing the noise generated during the high-speed flow of the air, and it is more practical .

附图说明Description of drawings

图1为本实用新型的结构示意图。Figure 1 is a schematic structural diagram of the utility model.

图2为本实用新型的进气管结构示意图。FIG. 2 is a schematic structural diagram of an air intake pipe of the present invention.

图3为本实用新型的A处局部放大图。Fig. 3 is a partial enlarged view of the A part of the utility model.

如图所示:1、箱体,2、空气源热泵,3、水源热泵,4、进气管,5、进水管,6、底座,7、缓冲垫,8、滚球,9、滑块,10、伸缩连杆一,11、缓冲弹簧,12、立柱,13、挡球,14、伸缩连杆二,15、挤压弹簧,16、连接板,17、风扇,18、安装杆,19、消音翼板,20、消音棉,21、过滤网,22、侧板,23、连接螺栓,24、密封环,25、伸缩连板,26、连接弹簧。As shown in the picture: 1. Box body, 2. Air source heat pump, 3. Water source heat pump, 4. Intake pipe, 5. Inlet pipe, 6. Base, 7. Cushion pad, 8. Roller ball, 9. Slider, 10, telescopic link 1, 11, buffer spring, 12, column, 13, blocking ball, 14, telescopic link 2, 15, compression spring, 16, connecting plate, 17, fan, 18, installation rod, 19, Muffler flap, 20, Muffler cotton, 21, Filter, 22, Side plate, 23, Connecting bolt, 24, Seal ring, 25, Telescopic connecting plate, 26, Connecting spring.

具体实施方式Detailed ways

下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

请参阅图1~3,本实用新型实施例中,一种双热源互补式热泵机组,包括箱体1、空气源热泵2和水源热泵3,其中箱体1内部滑动安装有底座6,底座6的顶部安装空气源热泵2和水源热泵3,并且空气源热泵2的输入端通过连接法兰和进气管4连接在一起,水源热泵3的输入端和进水管5连接在一起,进水管5和外部水源连通在一起,同时箱体1靠近进气管4的一侧壁上开设有通孔,进气管4的端部从通孔内伸出箱体1,并且进气管4的底壁上安装有立柱12,立柱12安装在底座6的顶壁上,所述进气管4远离空气源热泵2的一端开设有梯形孔,梯形孔的内侧设置有挡球13,挡球13远离梯形孔的一侧壁上安装有伸缩连杆二14,伸缩连杆二14的另一端安装在连接板16的侧壁上,连接板16安装在进气管4的内壁上,并且伸缩连杆二14的外侧设置有挤压弹簧15,挤压弹簧15的两端分别和挡球13和连接板16的侧壁连接在一起,其中挡球13在挤压弹簧15的弹性作用下密封在梯形孔内,完成对进气管4的密封,避免在不工作时,外部杂质进入空气源热泵2内,提高空气源热泵2的使用寿命。Referring to FIGS. 1 to 3 , in an embodiment of the present invention, a dual heat source complementary heat pump unit includes a box body 1 , an air source heat pump 2 and a water source heat pump 3 , wherein a base 6 is slidably installed inside the box body 1 , and the base 6 The air source heat pump 2 and the water source heat pump 3 are installed on the top of the air source heat pump 2, and the input end of the air source heat pump 2 is connected with the air inlet pipe 4 through the connecting flange, and the input end of the water source heat pump 3 is connected with the water inlet pipe 5, and the water inlet pipe 5 and The external water sources are connected together, and at the same time, a side wall of the box body 1 close to the intake pipe 4 is provided with a through hole, the end of the intake pipe 4 extends out of the box body 1 from the through hole, and the bottom wall of the intake pipe 4 is installed with a Column 12, the column 12 is installed on the top wall of the base 6, the end of the air intake pipe 4 away from the air source heat pump 2 is provided with a trapezoidal hole, the inner side of the trapezoidal hole is provided with a blocking ball 13, and the blocking ball 13 is away from the side of the trapezoidal hole. The second telescopic connecting rod 14 is installed on the wall, the other end of the second telescopic connecting rod 14 is installed on the side wall of the connecting plate 16, the connecting plate 16 is installed on the inner wall of the air intake pipe 4, and the outer side of the second telescopic connecting rod 14 is provided with a Squeeze the spring 15, the two ends of the squeeze spring 15 are respectively connected with the blocking ball 13 and the side wall of the connecting plate 16, wherein the blocking ball 13 is sealed in the trapezoidal hole under the elastic action of the squeezing spring 15 to complete the pairing The air pipe 4 is sealed to prevent external impurities from entering the air source heat pump 2 when it is not working, thereby improving the service life of the air source heat pump 2 .

参阅图2可知:所述连接板16远离挡球13的一侧设置有风扇17,风扇17安装在安装杆18的侧壁上,安装杆18安装在进气管4的内壁上,并且进气管5远离挡球13一侧内壁中安装有消音棉20,消音棉20靠近空气源热泵2进行设置,其中消音棉20和风扇17之间设置有多组消音翼板19,消音翼板19交错设置在进气管4的内壁上;在工作过程中,开启风扇17降低挡球13内侧的压力,在外部气压的作用下推动挡球13向进气管4内侧移动,将进气管5导通,将外部气体导入空气源热泵2内,并且空气在流动过程中通过消音翼板19和消音棉20对空气进行缓冲消音,减少空气高速流动过程中产生的噪音。Referring to FIG. 2 , a fan 17 is provided on the side of the connecting plate 16 away from the blocking ball 13 , the fan 17 is mounted on the side wall of the mounting rod 18 , the mounting rod 18 is mounted on the inner wall of the intake pipe 4 , and the intake pipe 5 A sound-absorbing cotton 20 is installed in the inner wall of the side away from the blocking ball 13, and the sound-absorbing cotton 20 is arranged close to the air source heat pump 2, wherein a plurality of groups of sound-absorbing wings 19 are arranged between the noise-absorbing cotton 20 and the fan 17, and the sound-absorbing wings 19 are arranged in a staggered manner. On the inner wall of the intake pipe 4; during the working process, the fan 17 is turned on to reduce the pressure inside the blocking ball 13, and under the action of the external air pressure, the blocking ball 13 is pushed to the inner side of the intake pipe 4, the intake pipe 5 is conducted, and the external air The air is introduced into the air source heat pump 2, and the air is buffered and muffled by the muffler flap 19 and the muffler cotton 20 during the flow process, so as to reduce the noise generated during the high-speed flow of the air.

具体的,所述底座6的底壁上安装有缓冲垫7,缓冲垫7的另一端安装在箱体1的底壁上,并且底座6的左右两侧开设有斜边,斜边上滑动安装有滚球8,滚球8转动安装在支撑杆的顶壁上,支撑杆的底部安装在滑块9的顶壁上,滑块9滑动安装在箱体1的底壁上,同时滑块9远离缓冲垫7的一侧壁上安装有伸缩连杆一10,伸缩连杆一10的另一端安装在箱体1的内壁上,并且伸缩连杆一10的外侧设置有缓冲弹簧11,缓冲弹簧11的两端分别和箱体1的内壁以及滑块9的侧壁连接在一起,在工作过程中,空气源热泵2和水源热泵3产生的震动带动底座6向下运动,通过缓冲垫7进行初步缓冲,并且在底座6向下移动的同时,通过滚球8带动滑块9向箱体1内壁一侧进行移动,挤压缓冲弹簧11,从而通过缓冲弹簧11产生的弹性恢复力配合缓冲垫7对震动进行充分缓冲,提高装置的平稳性,震动噪音更小。Specifically, a buffer pad 7 is installed on the bottom wall of the base 6, the other end of the buffer pad 7 is installed on the bottom wall of the box body 1, and the left and right sides of the base 6 are provided with inclined edges, which are slidably installed on the inclined edges. There is a rolling ball 8, the rolling ball 8 is rotatably mounted on the top wall of the support rod, the bottom of the support rod is mounted on the top wall of the slider 9, the slider 9 is slidably mounted on the bottom wall of the box 1, and the slider 9 A telescopic link one 10 is installed on one side wall away from the buffer pad 7, the other end of the telescopic link one 10 is mounted on the inner wall of the box body 1, and a buffer spring 11 is arranged on the outer side of the telescopic link one 10. The buffer spring The two ends of 11 are respectively connected with the inner wall of the box 1 and the side wall of the slider 9. During the working process, the vibration generated by the air source heat pump 2 and the water source heat pump 3 drives the base 6 to move downward, and is carried out through the buffer pad 7. Preliminary buffering, and while the base 6 moves downward, the sliding ball 8 drives the slider 9 to move toward the inner wall of the box body 1, and squeezes the buffer spring 11, so that the elastic restoring force generated by the buffer spring 11 cooperates with the buffer pad 7. Fully buffer the vibration, improve the stability of the device, and reduce the vibration noise.

具体的,所述箱体1的通孔内安装有密封环24,密封环24扣合在进气管4的外壁上,并且密封环24的外壁通过伸缩连板25和通孔的内壁连接在一起,完成对通孔的密封,其中密封环24的外壁上安装有多组连接弹簧26,连接弹簧26的另一端和通孔的内壁连接在一起,通过连接弹簧26对进气管4产生的震动进行辅助缓冲。Specifically, a sealing ring 24 is installed in the through hole of the box body 1 , the sealing ring 24 is fastened on the outer wall of the air intake pipe 4 , and the outer wall of the sealing ring 24 is connected to the inner wall of the through hole through the telescopic connecting plate 25 , complete the sealing of the through hole, wherein a plurality of groups of connecting springs 26 are installed on the outer wall of the sealing ring 24, the other end of the connecting spring 26 is connected with the inner wall of the through hole, and the vibration generated by the intake pipe 4 is carried out by the connecting spring 26. Auxiliary buffer.

优选的,所述进气管4的锥型孔外侧安装有过滤网21,过滤网21的上下两侧壁上安装有一对侧板22,侧板22通过连接弹簧26和进气管4端部侧壁连接在一起,通过过滤网21对空气进行过滤,避免外部灰尘进入空气源热泵2内。Preferably, a filter screen 21 is installed on the outer side of the tapered hole of the air intake pipe 4 , and a pair of side plates 22 are installed on the upper and lower side walls of the filter screen 21 . Connected together, the air is filtered through the filter screen 21 to prevent external dust from entering the air source heat pump 2 .

需要说明的是,所述空气源热泵2和水源热泵3的工作原理和安装方式均采用现有技术,此为本技术领域人员的公知常识,在此就不做赘述。It should be noted that the working principles and installation methods of the air source heat pump 2 and the water source heat pump 3 all adopt the prior art, which is the common knowledge of those skilled in the art, and will not be repeated here.

Claims (5)

1. The utility model provides a complementary heat pump set of two heat sources, includes box (1), air source heat pump (2) and water source heat pump (3), its characterized in that: the box body (1) is internally provided with a base (6) in a sliding manner, the top of the base (6) is provided with an air source heat pump (2) and a water source heat pump (3), the input end of the air source heat pump (2) is connected with an air inlet pipe (4) through a connecting flange, the input end of the water source heat pump (3) is connected with an water inlet pipe (5), the water inlet pipe (5) is communicated with an external water source, meanwhile, a through hole is formed in one side wall, close to the air inlet pipe (4), of the box body (1), the end part of the air inlet pipe (4) extends out of the box body (1) from the through hole, an upright post (12) is installed on the bottom wall of the air inlet pipe (4), the upright post (12) is installed on the top wall of the base (6), one end, far away from the air source heat pump (2), of the air inlet pipe (4) is provided with a trapezoidal hole, the inner side of the trapezoidal hole is provided with a baffle ball (13), and a telescopic connecting rod II (14) is installed on one side wall, far away from the baffle ball (13) from the trapezoidal hole, the other end of the second telescopic connecting rod (14) is installed on the side wall of the connecting plate (16), the connecting plate (16) is installed on the inner wall of the air inlet pipe (4), an extrusion spring (15) is arranged on the outer side of the second telescopic connecting rod (14), two ends of the extrusion spring (15) are connected with the side walls of the blocking ball (13) and the connecting plate (16) respectively, and the blocking ball (13) is sealed in the trapezoidal hole under the elastic action of the extrusion spring (15).
2. The dual-heat-source complementary heat pump unit according to claim 1, wherein: one side that keeps away from fender ball (13) of connecting plate (16) is provided with fan (17), fan (17) are installed on the lateral wall of installation pole (18), install pole (18) and install on the inner wall of intake pipe (4), and intake pipe (4) are kept away from and are installed amortization cotton (20) in fender ball (13) one side inner wall, amortization cotton (20) are close to air source heat pump (2) and set up, wherein be provided with multiunit amortization pterygoid lamina (19) between amortization cotton (20) and fan (17), amortization pterygoid lamina (19) crisscross setting is on the inner wall of intake pipe (4).
3. A dual heat source complementary heat pump unit according to claim 1 or 2, wherein: install blotter (7) on the diapire of base (6), install on the diapire of box (1) the other end of blotter (7), and the hypotenuse has been seted up to the left and right sides of base (6), slidable mounting has spin (8) on the hypotenuse, spin (8) rotate and install on the roof of bracing piece, install on the roof of slider (9) the bottom of bracing piece, slider (9) slidable mounting is on the diapire of box (1), a side wall mounting that blotter (7) were kept away from in slider (9) simultaneously has flexible connecting rod (10), the other end of flexible connecting rod (10) is installed on the inner wall of box (1), and the outside of flexible connecting rod (10) is provided with buffer spring (11), the both ends of buffer spring (11) link together with the inner wall of box (1) and the lateral wall of slider (9) respectively.
4. A dual heat source complementary heat pump unit according to claim 1 or 2, wherein: install sealing ring (24) in the through-hole of box (1), sealing ring (24) lock is on the outer wall of intake pipe (4) to the outer wall of sealing ring (24) links together through the inner wall of flexible even board (25) and through-hole, wherein installs multiunit coupling spring (26) on the outer wall of sealing ring (24), and the other end of coupling spring (26) links together with the inner wall of through-hole.
5. A dual heat source complementary heat pump unit according to claim 1 or 2, wherein: a filter screen (21) is installed on the outer side of a conical hole of the air inlet pipe (4), a pair of side plates (22) is installed on the upper side wall and the lower side wall of the filter screen (21), and the side plates (22) are connected with the side wall of the end portion of the air inlet pipe (4) through connecting springs (26).
CN202123306521.4U 2021-12-27 2021-12-27 A dual heat source complementary heat pump unit Expired - Fee Related CN216557765U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123306521.4U CN216557765U (en) 2021-12-27 2021-12-27 A dual heat source complementary heat pump unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123306521.4U CN216557765U (en) 2021-12-27 2021-12-27 A dual heat source complementary heat pump unit

Publications (1)

Publication Number Publication Date
CN216557765U true CN216557765U (en) 2022-05-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123306521.4U Expired - Fee Related CN216557765U (en) 2021-12-27 2021-12-27 A dual heat source complementary heat pump unit

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