Automobile air conditioner blower impeller assembly preheating device

Abstract

The utility model relates to an automobile air conditioner blower impeller assembly preheating device, which belongs to the technical field of automation control and comprises a heating bin, an air guide cover is fixedly mounted at the lower end of the heating bin, one end of the air guide cover is communicated with the heating bin, an industrial hot air gun is fixedly mounted on the inner side of the air guide cover, and a top cover is rotatably connected to the upper end of the heating bin. A heating area sensor is fixedly installed on the inner side wall of the heating bin, an impeller induction sensor is fixedly installed on the inner side wall of the heating bin, and an infrared temperature detection sensor is fixedly installed on the inner side wall of the heating bin. According to the automobile air conditioner blower impeller assembly preheating device, a blower impeller placed in the heating bin can be preheated through the air cylinder, the connecting rod and the placing ring, the press-fitting process of the automobile air conditioner blower impeller in a low-temperature environment is improved, the stability of the press-fitting process is improved, product defects caused by environment temperature changes are eliminated, and the product quality is improved. And the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic control, in particular to a preheating device for the assembly of an impeller of an automobile air-conditioning blower. Background Art

[0002] The automobile air-conditioning blower is a device installed in the automobile air-conditioning system to transport clean air and other gases. It is an important "helper" of the automobile air-conditioning system and is of great significance to the air circulation in the car.

[0003] At present, during the assembly process of the impeller (plastic part) and the blower motor rotor (metal part) in the complete blower of an automobile air-conditioning machine, the change in ambient temperature will affect the size and hardness of the plastic parts, which will affect the assembly process of the impeller and the blower motor rotor. Especially in a low temperature environment, the size of the assembly hole of the impeller and the rotor becomes smaller, and the material strength becomes harder, resulting in increased resistance when the two parts are assembled and pressed, causing extrusion damage to the assembly hole of the impeller, which ultimately affects the assembly qualification rate. Therefore, an automobile air-conditioning blower impeller assembly preheating device is proposed to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an automobile air-conditioning blower impeller assembly preheating device, which has the advantages of improving the assembly quality qualification rate and solves the problem of poor assembly quality qualification rate.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a preheating device for an automobile air-conditioning blower impeller assembly, comprising a heating chamber, a wind guide hood connected to the heating chamber at one end is fixedly installed at the lower end of the heating chamber, an industrial hot air gun is fixedly installed on the inner side of the wind guide hood, and a top cover is rotatably connected to the upper end of the heating chamber;

[0006] A heating zone sensor is fixedly installed on the inner wall of the heating bin, an impeller induction sensor is fixedly installed on the inner wall of the heating bin, an infrared temperature detection sensor is fixedly installed on the inner wall of the heating bin, the outer side of the heating bin is slidably connected to a connecting rod with one end penetrating and extending to the inner side thereof, a placement ring is fixedly connected to the end of the connecting rod located on the inner side of the heating bin, a cylinder is fixedly connected to the end of the connecting rod located on the outer side of the heating bin, a three-color light strip is fixedly installed on the outer side of the heating bin, a baffle cover located on the outer side of the connecting rod is fixedly connected to the outer side of the heating bin, and a blower impeller is placed on the inner side of the heating bin.

[0007] Furthermore, the shield is a flexible shield, and a side of the shield away from the heating chamber is fixedly connected to the outer side of the connecting rod.

[0008] Furthermore, the upper end of the heating chamber is fixedly connected to a support block, the top cover is rotatably connected to the support block via a rotating shaft, and a torsion spring is provided between the rotating shaft and the top cover.

[0009] Furthermore, the inner wall of the heating chamber is provided with a through hole located outside the connecting rod, and the through hole is in the shape of an elongated strip.

[0010] Furthermore, the through hole and the infrared temperature detection sensor are distributed on the inner wall of the heating chamber in a circular staggered manner, and the specification of the shield is larger than that of the through hole.

[0011] Furthermore, the three-color light strip is composed of colored lights and a buzzer, and its function is to remind the operating staff of the operating status of the device through different colored lights, where blue indicates standby status, red indicates heating, and green indicates heating completion.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0013] 1. The automobile air-conditioning blower impeller is equipped with a preheating device, which can preheat the blower impeller placed in the heating chamber through the cylinder, connecting rod and placement ring, improve the press-fitting process of the automobile air-conditioning blower impeller in a relatively low temperature environment, enhance the stability of the press-fitting process, eliminate product defects caused by ambient temperature changes, and improve product quality.

[0014] 2. The automobile air-conditioning blower impeller is equipped with a preheating device. When the industrial hot air blower preheats the blower impeller, the top cover and the baffle can block and insulate the heating chamber to improve the preheating effect of the blower impeller. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional cross-sectional schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a front view of the overall structure of the utility model;

[0017] Figure 3 This is a top view of the heating chamber structure of the utility model.

[0018] In the figure: 1 heating chamber, 2 heating zone sensor, 3 impeller induction sensor, 4 top cover, 5 support block, 6 baffle cover, 7 connecting rod, 8 cylinder, 9 placement ring, 10 industrial hot air gun, 11 infrared temperature detection sensor, 12 three-color light strip, 13 blower impeller, 14 air guide cover. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 In this embodiment, a preheating device for an impeller assembly of an automobile air conditioner blower comprises a heating chamber 1, a wind guide hood 14 connected to the lower end of the heating chamber 1 is fixedly installed, an industrial hot air gun 10 is fixedly installed on the inner side of the wind guide hood 14, and a top cover 4 is rotatably connected to the upper end of the heating chamber 1;

[0021] A heating zone sensor 2 is fixedly installed on the inner wall of the heating chamber 1, an impeller sensing sensor 3 is fixedly installed on the inner wall of the heating chamber 1, an infrared temperature detection sensor 11 is fixedly installed on the inner wall of the heating chamber 1, and the outer side of the heating chamber 1 is slidably connected to a connecting rod 7 with one end penetrating and extending to the inner side thereof, and the end of the connecting rod 7 located on the inner side of the heating chamber 1 is fixedly connected to a placement ring 9, and the end of the connecting rod 7 located on the outer side of the heating chamber 1 is fixedly connected to a cylinder 8, a three-color light strip 12 is fixedly installed on the outer side of the heating chamber 1, a baffle 6 located on the outer side of the connecting rod 7 is fixedly connected to the outer side of the heating chamber 1, and a blower impeller 13 is placed on the inner side of the heating chamber 1.

[0022] In this embodiment, the blower impeller 13 placed in the heating chamber 1 can be preheated through the cylinder 8, the connecting rod 7 and the placement ring 9, thereby improving the pressing process of the automobile air-conditioning blower impeller in a relatively low temperature environment, enhancing the stability of the pressing process, eliminating product defects caused by changes in ambient temperature, and improving product quality.

[0023] The shield 6 is a flexible shield, and the side of the shield 6 away from the heating chamber 1 is fixedly connected to the outside of the connecting rod 7, so that the connecting rod 7 can pull the shield 6 to extend and retract when moving and adjusting.

[0024] In addition, the upper end of the heating chamber 1 is fixedly connected to the support block 5, and the top cover 4 is rotatably connected to the support block 5 through a rotating shaft. A torsion spring is arranged between the rotating shaft and the top cover 4, so that the top cover 4 can rotate on the support block 5 through the rotating shaft and be reset by the torsion spring.

[0025] Secondly, a through hole is opened on the inner wall of the heating chamber 1 and is located outside the connecting rod 7. The through hole is in the shape of a long strip, so that the connecting rod 7 passing through the heating chamber 1 has space to move up and down.

[0026] Then, the through hole and the infrared temperature detection sensor 11 are distributed on the inner wall of the heating chamber 1 in a circular staggered manner, and the specification of the blocking cover 6 is larger than that of the through hole, so that the blocking cover 6 can block the through hole.

[0027] Finally, the three-color light strip 12 is composed of three-color lights and a buzzer, and its function is to remind the operating staff of the operating status of the device through different color lights, where blue indicates standby status, red indicates heating, and green indicates heating completion.

[0028] It should be noted that a control system device is provided on the outside of the heating chamber 1, and the control system devices are: 1) Siemens PLC: its function is to perform logic control; 2) Infrared temperature controller: its function is to convert and display the signal collected by infrared light and to realize linkage with PLC; 3) Industrial hot air gun controller: its function is to control the start and stop of the industrial hot air gun and abnormal output, and to link with PLC at the same time.

[0029] The working principle of the above embodiment is:

[0030] During the production process of the blower impeller 13, the operator only needs to place the blower impeller 13 on the placement ring 9. After the impeller sensing sensor 3 senses the impeller, it is driven to descend to the specified position by the cylinder 8. The press-fit assembly hole of the impeller is on the air duct path of the industrial hot air gun 10. The industrial hot air gun 10 is started for heating. At this time, the three-color light strip 12 is turned on and displays red, reminding that the impeller is being heated. After the heating is completed, the started cylinder 8 raises the impeller to the starting position through the connecting rod 7 and the placement ring 9. The three-color light strip 12 lights up green to remind the operator that the impeller heating has been completed and can be taken for assembly. The operator does not need to perform other operations during the whole process.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A preheating device for an impeller assembly of an automobile air conditioner blower, comprising a heating chamber (1), characterized in that: The lower end of the heating chamber (1) is fixedly mounted with an air guide hood (14) whose end is in communication with the heating chamber, an industrial hot air gun (10) is fixedly mounted on the inner side of the air guide hood (14), and the upper end of the heating chamber (1) is rotatably connected with a top cover (4); A heating zone sensor (2) is fixedly mounted on the inner wall of the heating chamber (1), an impeller induction sensor (3) is fixedly mounted on the inner wall of the heating chamber (1), an infrared temperature detection sensor (11) is fixedly mounted on the inner wall of the heating chamber (1), a connecting rod (7) having one end penetrating and extending to the inner side of the heating chamber (1) is slidably connected to the outer side of the heating chamber (1), a placement ring (9) is fixedly connected to one end of the connecting rod (7) located on the inner side of the heating chamber (1), a cylinder (8) is fixedly connected to one end of the connecting rod (7) located on the outer side of the heating chamber (1), a three-color light strip (12) is fixedly mounted on the outer side of the heating chamber (1), a baffle (6) located on the outer side of the connecting rod (7) is fixedly connected to the outer side of the heating chamber (1), and a blower impeller (13) is placed on the inner side of the heating chamber (1).

2. The automobile air-conditioning blower impeller assembly preheating device according to claim 1, characterized in that: The baffle cover (6) is a flexible cover, and the side of the baffle cover (6) away from the heating chamber (1) is fixedly connected to the outside of the connecting rod (7).

3. The automobile air-conditioning blower impeller assembly preheating device according to claim 1, characterized in that: The upper end of the heating chamber (1) is fixedly connected to a support block (5), and the top cover (4) is rotatably connected to the support block (5) via a rotating shaft, and a torsion spring is provided between the rotating shaft and the top cover (4).

4. The automobile air-conditioning blower impeller assembly preheating device according to claim 1, characterized in that: The inner wall of the heating chamber (1) is provided with a through hole located outside the connecting rod (7), and the through hole is in the shape of an elongated strip.

5. The automobile air-conditioning blower impeller assembly preheating device according to claim 4, characterized in that: The through hole and the infrared temperature detection sensor (11) are distributed in an annular manner and staggered on the inner wall of the heating chamber (1); the specification of the shield (6) is larger than that of the through hole.

6. The automobile air-conditioning blower impeller assembly preheating device according to claim 1, characterized in that: The three-color light strip (12) is composed of three-color lights and a buzzer, and its function is to remind the operator of the operating status of the device through lights of different colors, wherein blue indicates standby status, red indicates heating, and green indicates heating completion.

Images