Hybrid transmission oil-cooled motor monomer testing device

Abstract

The utility model relates to the technical field of new energy automobile motors, in particular to a hybrid transmission oil-cooled motor monomer testing device, which comprises a testing machine, and the testing machine comprises a motor front shell, a motor rear shell, a motor stator, a motor rotor, a magnetism isolating cover, a rotary transformer and a cooling lubricating pipe. The utility model has the beneficial effects that the differential oil supply of the stator and the rotor can be realized by adjusting the flow supply of the external dynamic oil pump, and the distribution proportion of different oil inlets can be dynamically and quickly adjusted; the internal spraying effect can be observed through the observation window, and analysis and design are facilitated; a signal shielding structure of the rotary transformer can be quickly switched, the distance between the rotary transformer and a motor rotor can be adjusted, and quick verification is realized; a large number of thermocouples can be arranged inside, and the thermal management state of the motor can be analyzed conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy automobile motors, in particular to a hybrid transmission oil-cooled motor monomer testing device. Background Art

[0002] The oil-cooled motor of the hybrid transmission is integrated into the transmission assembly. The relevant tests and experiments of the motor, including but not limited to motor performance test, efficiency test, thermal management test, resolver signal test, etc., are often arranged to be tested on the transmission assembly, which has the following main disadvantages and shortcomings:

[0003] 1. The transmission assembly is large and heavy, which is not conducive to bench operation during testing;

[0004] 2. The electronic oil pump of the transmission assembly supplies oil uniformly, and the internal oil circuit is distributed, which cannot achieve local differentiated oil supply and is inconvenient to determine the optimal oil distribution;

[0005] 3. The transmission assembly is made of aluminum as a whole, and the motor spray effect cannot be observed;

[0006] 4. It is necessary to adjust the shielding method and installation position of the resolver by adjusting the installation dimensions of the housing, and perform differentiated testing on the installation structure of the resolver signal;

[0007] 5. The transmission assembly has many installed parts, and most of them are not related to motor-related tests, which is not conducive to the arrangement of thermocouples and output wires of the motor. Utility Model Content

[0008] In view of the above-mentioned technical problems that the existing hybrid transmission oil-cooling motor is often inconveniently integrated into the transmission assembly, the present utility model is proposed.

[0009] The utility model aims to provide a hybrid transmission oil-cooled motor unit test device, which aims to solve the problem of better motor-related tests and experiments.

[0010] To solve the above technical problems, the utility model provides the following technical solutions: a hybrid transmission oil-cooled motor single body testing device, which includes a testing machine, the testing machine includes a motor front shell, a motor rear shell, a motor stator, a motor rotor, a magnetic shield, a rotating transformer and a cooling lubrication pipe, the motor front shell is threadedly connected to the motor rear shell, the motor stator is fixedly arranged in the motor front shell and the motor rear shell through bearings, the motor rotor is arranged in the motor stator, the magnetic shield is threadedly connected to the motor rear shell, the rotating transformer is threadedly connected to the motor rear shell, and the cooling lubrication pipe is clamped and fixed by the motor front shell and the motor rear shell.

[0011] As a preferred solution of the hybrid transmission oil-cooled motor unit test device of the utility model, wherein: the motor front shell includes a thermocouple outlet, a front shell observation port, a lifting lug and a high-voltage connector, the thermocouple outlet is arranged on the motor front shell, the front shell observation port is arranged on one side of the thermocouple outlet, the lifting lug is arranged on one side of the front shell observation port, and the high-voltage connector is arranged on the side of the front shell observation port and the thermocouple outlet.

[0012] As a preferred solution of the hybrid transmission oil-cooled motor unit test device of the utility model, wherein: the motor rear shell includes a stator oil inlet, a rotor oil inlet, a rear shell observation port and a wiring harness through-cylinder head, the stator oil inlet is arranged corresponding to the cooling lubrication pipe, the rotor oil inlet is arranged corresponding to the motor rotor, the rear shell observation port is arranged on the motor rear shell, and the wiring harness through-cylinder head is arranged on one side of the rear shell observation port.

[0013] As a preferred solution of the hybrid transmission oil-cooled motor unit test device of the utility model, wherein: the stator oil inlet includes a stator clamping head, the stator clamping head is arranged at one end of the stator oil inlet, and the stator clamping head is externally connected to a dynamic oil pump; the rotor oil inlet includes a rotor clamping head, the rotor clamping head is arranged at one end of the rotor oil inlet, and the rotor clamping head is externally connected to a dynamic oil pump.

[0014] As a preferred solution of the hybrid transmission oil-cooled motor unit test device of the utility model, the magnetic isolation cover includes a shielding cover adjustment gasket, the shielding cover adjustment gasket is arranged on the side of the magnetic isolation cover close to the motor rear shell, and the magnetic isolation cover is threadedly connected to the motor rear shell.

[0015] As a preferred solution of the hybrid transmission oil-cooled motor unit test device of the utility model, wherein: the magnetic isolation cover is made of steel or aluminum material.

[0016] As a preferred solution of the hybrid transmission oil-cooled motor single body testing device of the utility model, wherein: the rotary transformer includes a rotary transformer stator, a rotary transformer rotor and a rotary transformer gasket, the rotary transformer stator is threadedly connected to the motor rear housing, the rotary transformer rotor is arranged on the motor rotor, and the rotary transformer gasket is arranged between the rotary transformer stator and the rotary transformer rotor.

[0017] As a preferred solution of the hybrid transmission oil-cooled motor unit test device of the utility model, wherein: the test machine also includes a thermocouple, and the thermocouple is arranged on the motor stator.

[0018] As a preferred solution of the hybrid transmission oil-cooled motor unit test device of the utility model, wherein: the thermocouple includes a first thermocouple, a second thermocouple, a third thermocouple and a fourth thermocouple, the first thermocouple is arranged on the outer side surface of one end of the motor stator, the second thermocouple is arranged on the inner side surface of one end of the motor stator, the third thermocouple is arranged on the outer side surface of the other end of the motor stator, and the fourth thermocouple is arranged on the inner side surface of the other end of the motor stator.

[0019] As a preferred solution of the hybrid transmission oil-cooled motor unit test device of the utility model, wherein: the thermocouples are evenly distributed on the motor stator.

[0020] The beneficial effects of the hybrid transmission oil-cooled motor unit test device of the utility model are as follows: the flow supply of the external dynamic oil pump can be adjusted to achieve differentiated oil supply to the stator and the rotor, and the distribution ratio of different oil inlets can be adjusted dynamically and quickly; the internal spraying effect can be observed through the observation window, which is beneficial to analysis and design; the signal shielding structure of the rotary transformer can be quickly switched, and the distance between the rotary transformer and the motor rotor can be adjusted to achieve rapid verification; a large number of thermocouples can be arranged internally, which is convenient for analyzing the thermal management status of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0022] Figure 1 It is an exploded diagram of the testing machine structure in the utility model.

[0023] Figure 2 It is a partial enlarged view of the front housing of the motor in the present utility model.

[0024] Figure 3 It is a partially enlarged exploded view of the testing machine in the utility model.

[0025] Figure 4 It is a partial enlarged view of the motor stator, motor rotor, magnetic shield and rotary transformer in the utility model.

[0026] Figure 5 This is a diagram showing the stator oil inlet and rotor oil inlet in the utility model.

[0027] Figure 6 This is a distribution diagram of the thermocouples in the utility model in the first cross section of the motor stator.

[0028] Figure 7 This is a distribution diagram of the thermocouples in the utility model in the second cross section of the motor stator. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0032] Example 1

[0033] Reference Figure 1 , which is the first embodiment of the utility model, and the embodiment provides a hybrid transmission oil-cooled motor monomer test device, including a test machine 100, the test machine 100 includes a motor front shell 101, a motor rear shell 102, a motor stator 103, a motor rotor 104, a magnetic shield 105, a rotary transformer 106 and a cooling lubrication pipe 107, the motor front shell 101 is threadedly connected to the motor rear shell 102, the motor stator 103 is installed inside the motor front shell 101, the motor stator 103 is fixedly arranged between the motor front shell 101 and the motor rear shell 102 through a bearing, the motor rotor 104 is arranged in the motor stator 103, the magnetic shield 105 is threadedly connected to the motor rear shell 102, the rotary transformer 106 is threadedly connected to the motor rear shell 102, and the cooling lubrication pipe 107 is clamped and fixed by the motor front shell 101 and the motor rear shell 102.

[0034] When in use, the hybrid transmission oil-cooled motor, for the relevant tests and experiments of the motor, are often arranged to be tested on the transmission assembly. The transmission assembly is large in size and heavy in weight, which is not conducive to the bench operation during the test. The motor front shell 101 and the motor rear shell 102 clamp the motor stator 103, the motor rotor 104, the magnetic shield 105, the rotary transformer 106 and the cooling lubrication pipe 107 in the internal space, and by adjusting the installation position of the rotary transformer 106 and the magnetic shield 105, the differentiated test of the installation structure of the rotary transformer signal is carried out.

[0035] Example 2

[0036] Reference Figure 1 to Figure 5 , which is the second embodiment of the utility model. Different from the previous embodiment, it also includes a motor front shell 101 including a thermocouple outlet 101a, a front shell observation port 101b, a lifting lug 101c and a high-voltage connector 101d. The thermocouple outlet 101a is arranged on the motor front shell 101, and the thermocouple is convenient for analyzing the thermal management state of the motor. The front shell observation port 101b is arranged on one side of the thermocouple outlet 101a. The front shell observation port 101b can observe the motor spray effect. The lifting lug 101c is arranged on one side of the front shell observation port 101b. The lifting lug 101c is used to make it more convenient to lift the test machine 100. The high-voltage connector 101d is arranged on the side of the front shell observation port 101b and the thermocouple outlet 101a. After the high-voltage connector 101d is energized, the motor rotor 104 rotates in the motor stator 103, and generates a magnetic field after energization, and a magnetic shield 105 is required to shield the rotating transformer 106 from magnetic fields.

[0037] Preferably, the motor rear shell 102 includes a stator oil inlet 102a, a rotor oil inlet 102b, a rear shell observation port 102c and a wiring harness through-cylinder head 102d. The stator oil inlet 102a is arranged corresponding to the cooling lubrication pipe 107, and the rotor oil inlet 102b is arranged corresponding to the motor rotor 104. The stator oil inlet 102a and the rotor oil inlet 102b are externally connected to a dynamic oil pump. By adjusting the flow supply of the external dynamic oil pump, differentiated oil supply to the motor stator 103 and the motor rotor 104 can be achieved, and the distribution ratio of different oil inlets can be dynamically and quickly adjusted. The rear shell observation port 102c is arranged on the motor rear shell 102. The rear shell observation port 102c also observes the motor spray effect, and the wiring harness through-cylinder head 102d is arranged on one side of the rear shell observation port 102c.

[0038] Furthermore, the stator oil inlet 102a includes a stator locking head 102a-1, which is arranged at one end of the stator oil inlet 102a, and the stator locking head 102a-1 is externally connected to a dynamic oil pump. The rotor oil inlet 102b includes a rotor locking head 102b-1, which is arranged at one end of the rotor oil inlet 102b, and the rotor locking head 102b-1 is externally connected to a dynamic oil pump.

[0039] Preferably, the magnetic isolation cover 105 includes a shielding cover adjustment gasket 105a, which is arranged on the side of the magnetic isolation cover 105 close to the motor rear shell 102, and the magnetic isolation cover 105 is threadedly connected to the motor rear shell 102. The installation distance from the rotating transformer 106 to the iron core of the motor rotor 104 will affect the electrical signal of the rotating transformer 106 because the motor rotor 104 has a working magnetic field.

[0040] Furthermore, the magnetic shield 105 is made of steel or aluminum, which is a preferred material for experiments and can achieve magnetic field shielding with higher cost performance.

[0041] Preferably, the rotary transformer 106 includes a rotary transformer stator 106a, a rotary transformer rotor 106b and a rotary transformer gasket 106c, the rotary transformer stator 106a is threadedly connected to the motor rear housing 102, the rotary transformer rotor 106b is arranged on the motor rotor 104, and the rotary transformer gasket 106c is arranged between the rotary transformer stator 106a and the rotary transformer rotor 106b. The rotary transformer gasket 106c can quickly switch the rotary transformer signal shielding structure, and can adjust the distance between the rotary transformer 106 and the motor rotor 104 to achieve rapid verification.

[0042] When in use, the motor front shell 101 and the motor rear shell 102 are threadedly connected, the motor stator 103, the motor rotor 104, the magnetic shielding cover 105, the rotary transformer 106 and the cooling lubrication pipe 107 are clamped in the internal space formed by the motor front shell 101 and the motor rear shell 102, the shielding cover adjustment gasket 105a is arranged on the side of the magnetic shielding cover 105 close to the motor rear shell 102, the magnetic shielding cover 105 is threadedly connected to the motor rear shell 102, the installation distance from the rotary transformer 106 to the iron core of the motor rotor 104 is small, because the motor rotor 104 has a working magnetic field, which will affect the electrical signal of the rotary transformer 106, and the rotary transformer gasket 106c is set Placed between the rotary transformer stator 106a and the rotary transformer rotor 106b, the rotary transformer gasket 106c can quickly switch the rotary transformer signal shielding structure, and can adjust the distance between the rotary transformer 106 and the motor rotor 104 to achieve rapid verification. The shielding cover adjustment gasket 105a is designed as a detachable gasket. The gasket specification is designed to be 1mm~8mm, and a gasket of one specification is designed every 1mm. Gaskets of different specifications can be selected to adjust the position of the rotary transformer 106 and the magnetic shielding cover 105, and match the signal test of the rotary transformer 106 to obtain the optimal installation distance and provide feedback to guide product design.

[0043] Example 3

[0044] Reference Figure 1 to Figure 7 , which is the third embodiment of the utility model, and this embodiment further provides a sealing system. The testing machine 100 also includes a thermocouple 108 , and the thermocouple 108 is arranged on the motor stator 103 .

[0045] Preferably, the thermocouple 108 includes a first thermocouple 108a, a second thermocouple 108b, a third thermocouple 108c and a fourth thermocouple 108d, the first thermocouple 108a is arranged on the outer side surface of one end of the motor stator 103, the second thermocouple 108b is arranged on the inner side surface of one end of the motor stator 103, the third thermocouple 108c is arranged on the outer side surface of the other end of the motor stator 103, and the fourth thermocouple 108d is arranged on the inner side surface of the other end of the motor stator 103.

[0046] Furthermore, the thermocouples 108 are evenly distributed on the motor stator 103. The first thermocouple 108a (A1-A8) is a thermocouple 108 arranged on the outer side of the welding end of the motor stator 103, and is evenly arranged. The second thermocouple 108b (B1-B8) is a thermocouple 108 arranged on the inner side of the welding end of the motor stator 103, and is evenly arranged. The third thermocouple 108c (C1-C8) is a thermocouple 108 arranged on the outer side of the welding end of the motor stator 103, and is evenly arranged. The fourth thermocouple 108d (D1-D8) is a thermocouple 108 arranged on the inner side of the welding end of the motor stator 103, and is evenly arranged. The even distribution of the first thermocouple 108a, the second thermocouple 108b, the third thermocouple 108c and the fourth thermocouple 108d can monitor the temperature performance of different areas when the motor is working.

[0047] When in use, the transmission assembly in the prior art has many parts installed, and most of them are not related to the motor-related tests, which is not conducive to the arrangement of the thermocouple 108 and the outlet of the motor. The device has a thermocouple outlet 101a on the motor front shell 101, and the thermocouple 108 is convenient for analyzing the thermal management state of the motor. The first thermocouple 108a (A1-A8) is arranged on the outer side of the welding end of the motor stator 103, and is evenly arranged. The second thermocouple 108b (B1-B8) is arranged on the inner side of the welding end of the motor stator 103. The side thermocouples 108 are arranged evenly, the third thermocouple 108c (C1~C8) is the thermocouple 108 arranged on the outside of the welding end of the motor stator 103, and is evenly arranged. The fourth thermocouple 108d (D1~D8) is the thermocouple 108 arranged on the inside of the welding end of the motor stator 103, and is evenly arranged. The first thermocouple 108a, the second thermocouple 108b, the third thermocouple 108c and the fourth thermocouple 108d are evenly distributed to monitor the temperature performance of different areas when the motor is working.

[0048] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0049] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0050] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0051] 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 preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A hybrid transmission oil-cooled motor unit test device, characterized in that: include, A testing machine (100), the testing machine (100) comprising a motor front shell (101), a motor rear shell (102), a motor stator (103), a motor rotor (104), a magnetic shield (105), a rotary transformer (106) and a cooling lubrication pipe (107), wherein the motor front shell (101) is threadedly connected to the motor rear shell (102), the motor stator (103) is fixedly arranged in the motor front shell (101) and the motor rear shell (102) through a bearing, the motor rotor (104) is arranged in the motor stator (103), the magnetic shield (105) is threadedly connected to the motor rear shell (102), the rotary transformer (106) is threadedly connected to the motor rear shell (102), and the cooling lubrication pipe (107) is clamped and fixed by the motor front shell (101) and the motor rear shell (102).

2. The hybrid transmission oil-cooled motor unit test device according to claim 1, characterized in that: The motor front shell (101) comprises a thermocouple outlet (101a), a front shell observation port (101b), a lifting lug (101c) and a high-voltage connector (101d); the thermocouple outlet (101a) is arranged on the motor front shell (101); the front shell observation port (101b) is arranged on one side of the thermocouple outlet (101a); the lifting lug (101c) is arranged on one side of the front shell observation port (101b); and the high-voltage connector (101d) is arranged on the sides of the front shell observation port (101b) and the thermocouple outlet (101a).

3. The hybrid transmission oil-cooled motor unit test device according to claim 2, characterized in that: The motor rear shell (102) comprises a stator oil inlet (102a), a rotor oil inlet (102b), a rear shell observation port (102c) and a wire harness cylinder head (102d); the stator oil inlet (102a) is arranged corresponding to the cooling lubrication pipe (107); the rotor oil inlet (102b) is arranged corresponding to the motor rotor (104); the rear shell observation port (102c) is arranged on the motor rear shell (102); and the wire harness cylinder head (102d) is arranged on one side of the rear shell observation port (102c).

4. The hybrid transmission oil-cooled motor unit test device according to claim 3, characterized in that: The stator oil inlet (102a) comprises a stator locking head (102a-1), the stator locking head (102a-1) is arranged at one end of the stator oil inlet (102a), and the stator locking head (102a-1) is externally connected to a dynamic oil pump. The rotor oil inlet (102b) comprises a rotor locking head (102b-1), the rotor locking head (102b-1) is arranged at one end of the rotor oil inlet (102b), and the rotor locking head (102b-1) is externally connected to a dynamic oil pump.

5. The hybrid transmission oil-cooled motor unit testing device according to claim 4, characterized in that: The magnetic shielding cover (105) comprises a shielding cover adjustment gasket (105a), the shielding cover adjustment gasket (105a) is arranged on a side of the magnetic shielding cover (105) close to the motor rear shell (102), and the magnetic shielding cover (105) is threadedly connected to the motor rear shell (102).

6. The hybrid transmission oil-cooled motor unit testing device according to claim 5, characterized in that: The magnetic shield (105) is made of steel or aluminum.

7. The hybrid transmission oil-cooled motor unit testing device according to claim 1 or 6, characterized in that: The rotary transformer (106) comprises a rotary transformer stator (106a), a rotary transformer rotor (106b) and a rotary transformer gasket (106c); the rotary transformer stator (106a) is threadedly connected to the motor rear housing (102); the rotary transformer rotor (106b) is arranged on the motor rotor (104); and the rotary transformer gasket (106c) is arranged between the rotary transformer stator (106a) and the rotary transformer rotor (106b).

8. The hybrid transmission oil-cooled motor unit testing device according to claim 1, characterized in that: The testing machine (100) further comprises a thermocouple (108), wherein the thermocouple (108) is arranged on the motor stator (103).

9. The hybrid transmission oil-cooled motor unit testing device according to claim 8, characterized in that: The thermocouple (108) comprises a first thermocouple (108a), a second thermocouple (108b), a third thermocouple (108c) and a fourth thermocouple (108d), wherein the first thermocouple (108a) is arranged on the outer side surface of one end of the motor stator (103), the second thermocouple (108b) is arranged on the inner side surface of one end of the motor stator (103), the third thermocouple (108c) is arranged on the outer side surface of the other end of the motor stator (103), and the fourth thermocouple (108d) is arranged on the inner side surface of the other end of the motor stator (103).

10. The hybrid transmission oil-cooled motor unit testing device according to claim 9, characterized in that: The thermocouples (108) are evenly distributed on the motor stator (103).

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