Lead-out wire sealing wiring structure with flooded high insulativity

Abstract

The utility model relates to the technical field of compressors, in particular to a lead-out wire sealing wiring structure with full liquid high insulativity, and discloses a lead-out wire sealing wiring structure with full liquid high insulativity. The lead-out wire insulation sleeve is of a sleeve-shaped structure with one closed end, and two vertical plates are arranged in the lead-out wire insulation sleeve and divide the interior of the lead-out wire insulation sleeve into three channels; one side of the closed end of the outgoing line insulation sleeve is provided with wiring holes which are respectively communicated with the three channels; the binding post is inserted into the leading-out wire insulation sleeve through the wiring hole and is connected with a motor leading-out wire; a leading-out wire insulation sleeve round bowl is arranged outside the leading-out wire insulation sleeve wiring hole; the binding post wiring part of the binding post is inserted into the leading-out wire insulation sleeve and is connected with a motor leading-out wire; and the binding post ceramic ring of the binding post is inserted into the leading-out wire insulation sleeve circular bowl. According to the technical scheme of the utility model, the problems of complicated operation, high cost, hidden danger of reliability and the like of a wiring sealing structure which must be used for isolating refrigerants through a sealing ring in the prior art are solved.

Description

Technical Field

[0001] The utility model discloses a lead-out line sealed wiring structure with full liquid and high insulation, relates to the technical field of compressors, and in particular to a lead-out line sealed wiring structure with full liquid and high insulation. Background Art

[0002] After the air conditioning system is shut down for a long time, a large amount of liquid refrigerant will migrate back into the compressor, which often greatly reduces the electrical safety of the air conditioning system;

[0003] In situations where electrical safety is highly required, air conditioners are often required to have high insulation resistance to improve electrical safety. However, refrigerant return often causes insulation resistance to decrease. Refrigerant return can only reach the point where the compressor is full of liquid. In this state, the unit and compressor are still required to have high insulation resistance.

[0004] At present, the solution to this problem is to optimize the design of the vehicle electric air conditioning system, by adding insulation devices at the suction and exhaust ends of the compressor to isolate the compressor from the system, thereby increasing the insulation resistance of the vehicle electric air conditioning system. This method will increase the complexity of the pipeline and there is a risk of leakage, and it will also increase the cost of the vehicle electric air conditioning system.

[0005] Patent CN 116345778 A proposes a solution for improving the insulation value of the compressor from inside. This solution uses rubber seals, which are prone to falling off and being lost during the production process, resulting in poor operability. Rubber seals are easily aged components, and using them in a high temperature and high pressure environment inside the compressor exacerbates the aging of the rubber seals. Aging of rubber components will cause the insulation performance of the compressor to deteriorate, reducing the electrical safety of the air-conditioning system.

[0006] In view of the problems existing in the above-mentioned prior art, it is very necessary to study and design a new type of lead-out line sealed wiring structure with full liquid and high insulation, so as to overcome the problems existing in the prior art. Summary of the invention

[0007] According to the above-mentioned prior art, the wiring sealing structure that must be isolated from the refrigerant by a sealing ring is complicated to operate, high in cost, and has reliability risks and other technical problems, and a lead-out wire sealing wiring structure with full liquid and high insulation is provided. The utility model mainly adjusts the coverage depth of the ceramic ring and the matching gap between the ceramic ring and the round bowl of the lead-out wire insulation sleeve, so as to replace the rubber sealing ring for sealing.

[0008] The technical means adopted by the utility model are as follows:

[0009] A lead-out wire sealed wiring structure with full liquid high insulation, comprising: a lead-out wire insulating sleeve, a motor lead-out wire and a terminal; the lead-out wire insulating sleeve is a sleeve-shaped structure with one end closed, and two vertical plates are arranged inside the sleeve, dividing the inside of the sleeve into three channels for separately passing three motor lead-out wires U, V and W; a wiring hole is arranged on one side of the closed end of the lead-out wire insulating sleeve, which is respectively connected to the three channels; the terminal is inserted into the interior of the lead-out wire insulating sleeve through the wiring hole, and is connected to the motor lead-out wire;

[0010] Furthermore, the outside of the lead wire insulation sleeve wiring hole is provided with a lead wire insulation sleeve round bowl;

[0011] Furthermore, the terminal connection part of the terminal is inserted into the lead wire insulation sleeve and connected to the motor lead wire;

[0012] Furthermore, the terminal ceramic ring of the terminal is inserted into the inner part of the circular bowl of the lead wire insulation sleeve.

[0013] Furthermore, the ceramic ring of the terminal has a coverage depth of 3-6 mm.

[0014] Furthermore, the gap between the inner diameter of the circular bowl of the lead wire insulation sleeve and the outer diameter of the ceramic ring of the terminal is 0-1 mm.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. The lead-out wire sealed wiring structure with full liquid and high insulation provided by the utility model does not require rubber seals. By adjusting the coverage depth of the ceramic ring and the matching gap between the ceramic ring and the round bowl of the lead-out wire insulation sleeve, the existing full liquid and high insulation can be achieved;

[0017] 2. The lead-out wire sealed wiring structure provided by the utility model has full liquid and high insulation, and can improve the production efficiency and reliability of the product without the need for rubber seals;

[0018] 3. The lead-out wire sealed wiring structure provided by the utility model has full liquid and high insulation, and does not require rubber seals, thereby reducing product costs.

[0019] In summary, the technical solution of the present invention solves the problems in the prior art of requiring a sealing ring to isolate the refrigerant from the wiring sealing structure, which is complicated to operate, high in cost, and has reliability risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is the front view of the lead-out wire insulation sleeve of the utility model;

[0023] Figure 3 For this utility model Figure 2 A side cross-sectional view of

[0024] Figure 4 This is a schematic diagram of the utility model in use.

[0025] In the figure: 1, fixed scroll 2, movable scroll 3, cross ring 4, main support 5, rotating crankshaft 6, motor stator 7, motor rotor 8, compressor cylinder 9, auxiliary support 10, lead wire insulation sleeve 101, lead wire insulation sleeve round bowl 11, motor lead wire 12, terminal 121, terminal connection point 122, terminal inside 123, terminal ceramic ring. DETAILED DESCRIPTION

[0026] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings 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. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0028] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0029] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, numerical expressions and numerical values ​​do not limit the scope of the utility model. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0030] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise stated, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present utility model: the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0031] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below their position devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0032] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0033] like Figure 4 As shown, the utility model provides a vehicle-mounted horizontal scroll compressor lead-out line sealed wiring structure, including a compressor barrel 8 arranged horizontally, the left end of the compressor barrel 8 is provided with an exhaust pipe connected to the outside, the left part thereof is provided with a secondary support 9, and the left end of a rotating crankshaft 5 is installed in the secondary support 9; the middle part of the rotating crankshaft 5 is connected with a motor rotor 7, the outside of the motor rotor 7 is provided with a motor stator 6 matched therewith, the right part of the rotating crankshaft 5 is installed in a main support 4, and the right end of the rotating crankshaft is connected with a movable scroll 2 after passing through the main support 4, and a cross ring 3 is installed at the movable scroll 2 to prevent the movable scroll 2 from rotating, the movable scroll 2 is connected with a fixed scroll 1 matched therewith, and the fixed scroll is connected with an intake pipe passing through the compressor barrel 8;

[0034] The motor has a motor lead wire 11 for connecting to a terminal 12; the outside of the connection between the motor lead wire 11 and the terminal 12 is wrapped with a lead wire insulation sleeve 10, and is also wrapped on the outside of the three motor lead wires 11 of the motor U, V, and W; the lead wire insulation sleeve 10 wrapped on the outside of the three motor lead wires U, V, and W of the motor does not need to be completely sealed, but the outside of the terminal connection 121 must be closed, that is, the insulation sleeve is integrated on the surface without through holes, which can greatly increase the insulation distance between the terminal connection 121 and the compressor cylinder 9;

[0035] The lead wire insulating sleeve 10 is an integrated structure; the lead wire insulating sleeve 10 has two vertical plates inside, dividing the inside into three channels, and the three channels have fixed grooves. The positions of the three fixed grooves correspond to the positions of the terminal 12 after installation, and are respectively used to fix the U, V, and W terminals of the motor lead wire 11, and have three independent lead wire insulating sleeve round bowls 101 in the direction of matching with the terminal 12; the outer side of the lead wire insulating sleeve round bowl 101 cannot interfere with the inner side 122 of the terminal; the lead wire insulating sleeve round bowl 101 needs to cover the terminal ceramic ring 123, and the coverage depth of the terminal ceramic ring 123 is 3-6mm; the gap between the inner diameter of the insulating sleeve round bowl 101 and the outer diameter of the terminal ceramic ring 123 is 0-1mm;

[0036] The lead wire insulating sleeve 10 is made of insulating material that is compatible with refrigerant and refrigeration oil.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A lead-out sealed wiring structure with full liquid and high insulation, comprising: Lead wire insulation sleeve (10), motor lead wire (11) and terminal (12); the lead wire insulation sleeve (10) is a sleeve-shaped structure with one end closed, and two vertical plates are arranged inside, dividing the inside into three channels for separately passing three motor lead wires (11) U, V and W; one side of the closed end of the lead wire insulation sleeve (10) is provided with wiring holes respectively communicating with the three channels; the terminal (12) is inserted into the interior of the lead wire insulation sleeve (10) through the wiring hole, and connected to the motor lead wire (11); the characteristics are: The outside of the wiring hole of the lead-out wire insulation sleeve (10) is provided with a lead-out wire insulation sleeve round bowl (101); The terminal connection part (121) of the terminal (12) is inserted into the lead wire insulation sleeve (10) and connected to the motor lead wire (11); The terminal ceramic ring (123) of the terminal (12) is inserted into the inner part of the lead-out wire insulating sleeve round bowl (101).

2. The lead-out wire sealed wiring structure with full liquid and high insulation according to claim 1, characterized in that: The coverage depth of the terminal ceramic ring (123) is 3-6 mm.

3. The lead-out wire sealed wiring structure with full liquid and high insulation according to claim 1, characterized in that: The gap between the inner diameter of the lead-out wire insulation sleeve bowl (101) and the outer diameter of the terminal ceramic ring (123) is 0-1 mm.

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