Transmission oil temperature adjusting system

Abstract

The utility model relates to the technical field of transmissions, in particular to a transmission oil temperature adjusting system which comprises a first heat exchanger, an oiling temperature adjusting module and a transmission oil cooler module. A shell runner and two groups of heat exchange pipeline runners are arranged in the first heat exchanger; the refueling temperature adjusting module comprises a refueling oil tank, the refueling oil tank communicates with a set of heat exchange pipeline flow channels in the first heat exchanger through a pipeline, ATF oil in the refueling oil tank flows circularly, and temperature adjustment is completed. An oil filling pipeline is further arranged on the oil filling oil tank and used for filling ATF oil into the to-be-tested transmission; the transmission oil cooler module comprises a transmission oil cooler, and the temperature of a heat exchange medium in a heat exchange flow channel of the transmission oil cooler is adjusted through a set of heat exchange pipelines of the first heat exchanger. After high-temperature ATF oil is injected into the transmission, heat can be rapidly conducted to all positions of the transmission, the temperature rising time is saved, and resources of the test bed are saved; during a test, test requirements of different transmissions can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of transmissions, and in particular to a transmission oil temperature regulating system. Background Art

[0002] When the automatic transmission is tested on a bench according to the test outline, the transmission must first be filled with a reasonable oil level, and the temperature required by the test outline must be maintained during the test. In the prior art, when the transmission is installed on the bench, the transmission itself is at room temperature. After filling with room temperature oil, the temperature is raised to a suitable temperature by internal stirring before the test is carried out. During the test, the test temperature also needs to be controlled within a certain range by special oil cooling equipment. This results in a long test process and seriously affects the test efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a transmission oil temperature regulating system to ensure the oil temperature of the transmission when filling ATF and the oil temperature during the test.

[0004] To solve the above technical problems, the technical solution of the utility model is: a transmission oil temperature adjustment system, including a first heat exchanger, a refueling temperature adjustment module and a transmission oil cooler module;

[0005] The first heat exchanger has a shell flow channel and two sets of heat exchange pipeline flow channels;

[0006] The refueling temperature adjustment module includes a refueling tank, which is connected to a group of heat exchange pipeline flow channels in the first heat exchanger through a pipeline to realize the circulation of ATF oil in the refueling tank and complete the temperature adjustment; the refueling tank is also provided with a refueling pipeline for filling ATF oil into the transmission to be tested;

[0007] The transmission oil cooler module includes a transmission oil cooler, and the heat exchange medium in the heat exchange flow channel of the transmission oil cooler is temperature-regulated by a group of heat exchange pipelines of a first heat exchanger.

[0008] In the above transmission oil temperature regulating system, a test temperature regulating module and a second heat exchanger are further provided between the transmission oil cooler and the first heat exchanger;

[0009] The test temperature adjustment module includes a fifth delivery pipeline and a sixth delivery pipeline, the fifth delivery pipeline and the sixth delivery pipeline are connected to the shell flow channel of the second heat exchanger and the heat exchange pipeline flow channel of the first heat exchanger; a second circulation pump is provided on the fifth delivery pipeline or the sixth delivery pipeline;

[0010] The heat exchange flow channel of the transmission oil cooler is connected to the pipeline flow channel of the second heat exchanger through the first transmission pipeline and the second transmission pipeline; a third circulation pump is also arranged on the first transmission pipeline or the second transmission pipeline.

[0011] In the above transmission oil temperature regulating system, a heat transfer medium box is provided on the fifth delivery pipeline or the sixth delivery pipeline, and the heat transfer medium box is provided with a liquid replenishing pipeline, a liquid level meter and an exhaust overflow pipeline.

[0012] In the above transmission oil temperature regulating system, the sixth delivery pipeline is also connected to a second cleaning pipeline.

[0013] In the above transmission oil temperature regulating system, a temperature regulating module is further included, wherein the temperature regulating module includes a heater and a third heat exchanger;

[0014] The heater and the shell flow passage of the first heat exchanger are connected through the first delivery pipeline and the second delivery pipeline;

[0015] The third heat exchanger is arranged on the first delivery pipeline to exchange heat for the heat-conducting medium flowing in the first delivery pipeline; the first delivery pipeline is connected to the high-temperature flow channel of the third heat exchanger, and the low-temperature flow channel of the third heat exchanger is connected to the cooling water circulation module;

[0016] The second delivery pipeline is provided with a first circulation pump, and the first circulation pump allows the heat transfer medium to circulate in the heater, the third heat exchanger and the first heat exchanger.

[0017] In the above transmission oil temperature regulating system, the cooling water circulation module includes a cooling water input pipe, a cooling water return pipe and a short-circuit pipe; the inlet of the low-temperature flow channel of the third heat exchanger is connected to the cooling water input pipe, and the outlet is connected to the cooling water return pipe;

[0018] A first valve body is provided on the cooling water input pipeline, and a check valve is provided on the cooling water return pipeline; the short-circuit pipeline is connected to the cooling water input pipeline, and the connection position is located on the upstream side of the first valve body; the short-circuit pipeline is connected to the cooling water return pipeline, and the connection position is located on the downstream side of the check valve.

[0019] In the above transmission oil temperature regulating system, the second delivery pipeline is also connected to the first cleaning pipeline.

[0020] In the above transmission oil temperature regulation system, an air collecting tank is also arranged on the second delivery pipeline; the heat transfer medium flowing out of the first heat exchanger flows into the air collecting tank through the second delivery pipeline, and the heat transfer medium flowing out of the air collecting tank flows back to the first circulation pump.

[0021] In the above-mentioned transmission oil temperature regulation system, the air collecting tank has a degassing module, which includes an exhaust pipe, an expansion tank, and a liquid return pipe; the exhaust pipe connects the upper part of the air collecting tank and the upper part of the expansion tank, and the liquid return pipe connects the bottom of the expansion tank and the middle part of the air collecting tank.

[0022] In the above transmission oil temperature regulating system, the expansion tank is also provided with a first liquid level switch, a first oil replenishment pipeline and an overflow pipeline.

[0023] Due to the adoption of the above technical solution, the transmission oil temperature regulation system has the following advantages:

[0024] When the transmission is installed on the test bench, the transmission itself is at room temperature. If it is filled with room temperature oil, the temperature will rise slowly due to internal agitation. By using this transmission oil temperature regulation system, the oil temperature in the refueling tank can be directly increased to 85±5℃. With the internal agitation of the transmission, the heat can be quickly transferred to various positions of the transmission, saving heating time and test bench resources.

[0025] During the test, the test temperature adjustment module and the transmission oil cooler module work together to heat and cool the transmission oil temperature; the heat transfer medium in the heat transfer medium box can be filled with antifreeze to meet the needs of different transmission tests. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] 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 only 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.

[0027] Figure 1 It is a hydraulic principle diagram of an embodiment of the utility model.

[0028] In the figure:

[0029] 1-temperature regulating module; 11-heater; 12-first delivery pipeline; 13-second delivery pipeline; 14-first cleaning pipeline; 15-first circulation pump; 16-gas collecting tank;

[0030] 2- first heat exchanger;

[0031] 3-refueling temperature adjustment module; 31-third delivery pipeline; 32-fourth delivery pipeline; 33-refueling tank; 34-refueling pipeline;

[0032] 4-test temperature adjustment module; 41-fifth delivery pipeline; 42-sixth delivery pipeline; 43-heat transfer medium box; 44-liquid replenishment pipeline; 45-liquid level meter; 46-exhaust overflow pipeline; 47-second cleaning pipeline; 48-second circulation pump;

[0033] 5-transmission oil cooler module; 51-first transmission pipeline; 52-transmission oil cooler; 53-second transmission pipeline; 54-third circulation pump;

[0034] 6- second heat exchanger;

[0035] 7- the third heat exchanger;

[0036] 8-cooling water circulation module; 81-cooling water input pipeline; 82-cooling water return pipeline; 83-short-circuit pipeline; 84-first valve body; 85-check valve;

[0037] 9-degassing module; 91-exhaust pipeline; 92-expansion tank; 93-liquid return pipeline; 94-first liquid level switch; 95-overflow pipeline; 96-first oil replenishment pipeline. DETAILED DESCRIPTION

[0038] A transmission oil temperature regulating system, such as Figure 1 As shown, it includes a temperature adjustment module 1, a first heat exchanger 2, a refueling temperature adjustment module 3, a test temperature adjustment module 4, a transmission oil cooler module 5 and a second heat exchanger 6. The temperature adjustment module 1 is the heat source and cold source of the entire system, and the temperature of the refueling temperature adjustment module 3 and the transmission oil cooler module 5 is adjusted through the first heat exchanger 2. The first heat exchanger 2 has a shell flow channel and two sets of heat exchange pipeline flow channels; the shell flow channel is connected to the pipeline of the temperature adjustment module 1, and the two sets of heat exchange pipeline flow channels are used for temperature adjustment of the refueling temperature adjustment module 3 and the transmission oil cooler module 5 respectively.

[0039] The temperature regulating module 1 includes a heater 11 and a third heat exchanger 7. The heater 11 is the heat source of the system, and the third heat exchanger 7 is the cold source of the system. The two cooperate with each other to jointly realize the temperature regulation of the system. A first delivery pipeline 12 and a second delivery pipeline 13 are provided between the heater 11 and the first heat exchanger 2; the first delivery pipeline 12 and the second delivery pipeline 13 are respectively connected to the input and output ends of the shell flow channel of the first heat exchanger 2. The third heat exchanger 7 is arranged on the first delivery pipeline 12. Specifically, the first delivery pipeline 12 is connected to the input and output of the high-temperature flow channel of the third heat exchanger 7, and the low-temperature flow channel of the third heat exchanger 7 is connected to the cooling water circulation module 8. The cooling water circulation module 8 includes a cooling water input pipeline 81, a cooling water return pipeline 82 and a short-circuit pipeline 83; the inlet of the low-temperature flow channel of the third heat exchanger 7 is connected to the cooling water input pipeline 81, and the outlet is connected to the cooling water return pipeline 82. A first valve body 84 is provided on the cooling water input pipe 81, a check valve 85 is provided on the cooling water return pipe 82, a short-circuit pipe 83 is connected to the cooling water input pipe 81, and the connection position is located on the upstream side of the first valve body 84, and the short-circuit pipe 83 is connected to the cooling water return pipe 82, and the connection position is located on the downstream side of the check valve 85. The input end of the cooling water input pipe 81 can be provided with a valve body and a filter and other components, and the output end of the cooling water return pipe 82 can be provided with a valve body.

[0040] The second delivery pipeline 13 is provided with a first circulation pump 15, which cooperates with the first delivery pipeline 12 and the second delivery pipeline 13 to allow the heat transfer medium to circulate in the heater 11, the third heat exchanger 7 and the first heat exchanger 2. When the heat transfer medium is a liquid, for example, the heat transfer medium is heat transfer oil; in order to reduce the impact of gas on the system, the second delivery pipeline 13 is further provided with a gas collecting tank 16, in which the exhausted gas is temporarily stored above the gas collecting tank 16.

[0041] Furthermore, the gas collecting tank 16 may be provided with a degassing module 9, the degassing module 9 comprising an exhaust pipe 91, an expansion tank 92, and a liquid return pipe 93; the exhaust pipe 91 connects the upper part of the gas collecting tank 16 and the upper part of the expansion tank 92, and the vaporized heat exchange medium enters the expansion tank 92 from the gas collecting tank 16 through the exhaust pipe 91; the liquid return pipe 93 connects the bottom of the expansion tank 92 and the middle part of the gas collecting tank 16, and the condensed liquid in the expansion tank 92 flows back to the gas collecting tank 16 through the liquid return pipe 93.

[0042] The expansion tank 92 is also provided with a first liquid level switch 94, a first oil replenishment pipeline 96 and an overflow pipeline 95; the overflow pipeline 95 can discharge part of the vaporized heat exchange medium after the pressure in the expansion tank 92 is higher than the set value, the first liquid level switch 94 is used to detect the liquid level in the expansion tank 92, and the first oil replenishment pipeline 96 can replenish the vaporized and volatilized heat exchange medium.

[0043] The second delivery pipeline 13 is also connected to the first cleaning pipeline 14, which is used for cleaning when the first delivery pipeline 12, the second delivery pipeline 13, etc. have poor circulation.

[0044] The refueling temperature adjustment module 3 includes a refueling tank 33, and the refueling tank 33 is connected to a group of heat exchange pipeline flow channels in the first heat exchanger 2 through the third delivery pipeline 31 and the fourth delivery pipeline 32 respectively. An oil pump is arranged on the third delivery pipeline 31 or the fourth delivery pipeline 32 to realize the circulation heating of the ATF oil in the refueling tank 33. The refueling tank 33 is also provided with a refueling pipeline 34 for filling the ATF oil into the transmission to be tested. The refueling pipeline 34 can be connected to refueling equipment such as a refueling gun, and components such as a flow meter can also be arranged on the refueling pipeline 34 to control the refueling amount. The refueling equipment and the flow meter are all prior art, and their structures and connection relationships are not described in detail here.

[0045] The test temperature adjustment module 4 includes a fifth delivery pipeline 41 and a sixth delivery pipeline 42. The fifth delivery pipeline 41 and the sixth delivery pipeline 42 are respectively connected to a group of heat exchange pipeline channels of the first heat exchanger 2. At the same time, the fifth delivery pipeline 41 and the sixth delivery pipeline 42 are also respectively connected to the shell flow channels of the second heat exchanger 6, thereby realizing a circulation connection between a group of heat exchange pipelines of the first heat exchanger 2 and the high-temperature flow channels of the second heat exchanger 6.

[0046] The fifth delivery pipeline 41 or the sixth delivery pipeline 42 is provided with a heat-conducting medium box 43 and a second circulation pump 48. The heat-conducting medium box 43 is used to provide heat-conducting medium for the test temperature adjustment module 4 and adjust the pressure in the circulation system; the second circulation pump 48 provides power for the circulation of the heat-conducting medium. The heat-conducting medium box 43 is provided with a liquid replenishing pipeline 44, a liquid level meter 45, and an exhaust overflow pipeline 46. When the content of gasified heat-conducting medium in the heat-conducting medium box 43 is large and the system pressure is too high, part of the gas can be discharged through the exhaust overflow pipeline 46 to reduce the pressure; the liquid level meter 45 can monitor the liquid level in the heat-conducting medium box 43, and the liquid replenishing pipeline 44 can be used to replenish the heat-conducting medium in the heat-conducting medium box 43.

[0047] The sixth delivery pipeline 42 is also connected to a second cleaning pipeline 47 for cleaning the flow channel in the test temperature adjustment module 4 .

[0048] The transmission oil cooler module 5 includes a transmission oil cooler 52, a first transmission pipe 51, and a second transmission pipe 53. The transmission oil cooler 52 is a prior art and has not been improved; the transmission oil cooler 52 has an oil channel and a heat exchange flow channel, wherein the oil channel is connected to the internal oil channel of the transmission, and the heat exchange flow channel is used for external pipes. The first transmission pipe 51 and the second transmission pipe 53 are respectively connected to the inlet and outlet of the heat exchange flow channel; at the same time, the first transmission pipe 51 and the second transmission pipe 53 are also connected to the pipeline flow channel of the second heat exchanger 6. A third circulation pump 54 is also provided on the first transmission pipe 51 or the second transmission pipe 53 to provide power for the circulation of the heat transfer medium.

[0049] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A transmission oil temperature regulating system, characterized in that: It comprises a first heat exchanger (2), a refueling temperature adjustment module (3) and a transmission oil cooler module (5); The first heat exchanger (2) has a shell flow channel and two groups of heat exchange pipeline flow channels; The refueling temperature adjustment module (3) comprises a refueling tank (33), which is connected to a group of heat exchange pipeline flow channels in the first heat exchanger (2) through pipelines, so that the ATF oil in the refueling tank (33) circulates and the temperature is adjusted; the refueling tank (33) is also provided with a refueling pipeline (34) for filling the ATF oil into the transmission to be tested; The transmission oil cooler module (5) comprises a transmission oil cooler (52), and the heat exchange medium in the heat exchange flow channel of the transmission oil cooler (52) is temperature-regulated by a group of heat exchange pipelines of the first heat exchanger (2).

2. The transmission oil temperature regulating system according to claim 1, characterized in that: A test temperature adjustment module (4) and a second heat exchanger (6) are also provided between the transmission oil cooler (52) and the first heat exchanger (2); The test temperature adjustment module (4) comprises a fifth delivery pipeline (41) and a sixth delivery pipeline (42), the fifth delivery pipeline (41) and the sixth delivery pipeline (42) being in communication with a shell flow passage of the second heat exchanger (6) and a heat exchange pipeline flow passage of the first heat exchanger (2); a second circulation pump (48) is provided on the fifth delivery pipeline (41) or the sixth delivery pipeline (42); The heat exchange flow channel of the transmission oil cooler (52) is connected to the pipeline flow channel of the second heat exchanger (6) through the first transmission pipeline (51) and the second transmission pipeline (53); a third circulation pump (54) is also provided on the first transmission pipeline (51) or the second transmission pipeline (53).

3. The transmission oil temperature regulating system according to claim 2, characterized in that: A heat-conducting medium box (43) is provided on the fifth delivery pipeline (41) or the sixth delivery pipeline (42), and the heat-conducting medium box (43) is provided with a liquid replenishing pipeline (44), a liquid level meter (45) and an exhaust overflow pipeline (46).

4. The transmission oil temperature regulating system according to claim 2, characterized in that: The sixth delivery pipeline (42) is also connected to a second cleaning pipeline (47).

5. The transmission oil temperature regulating system according to claim 1, characterized in that: It also includes a temperature adjustment module (1), wherein the temperature adjustment module (1) includes a heater (11) and a third heat exchanger (7); The heater (11) and the shell flow passage of the first heat exchanger (2) are connected via a first delivery pipeline (12) and a second delivery pipeline (13); The third heat exchanger (7) is arranged on the first delivery pipeline (12) to exchange heat for the heat-conducting medium flowing in the first delivery pipeline (12); the first delivery pipeline (12) is connected to the high-temperature flow channel of the third heat exchanger (7), and the low-temperature flow channel of the third heat exchanger (7) is connected to the cooling water circulation module (8); The second delivery pipeline (13) is provided with a first circulation pump (15), and the first circulation pump (15) allows the heat transfer medium to circulate in the heater (11), the third heat exchanger (7) and the first heat exchanger (2).

6. The transmission oil temperature regulating system according to claim 5, characterized in that: The cooling water circulation module (8) comprises a cooling water input pipe (81), a cooling water return pipe (82) and a short-circuit pipe (83); the inlet of the low-temperature flow channel of the third heat exchanger (7) is connected to the cooling water input pipe (81), and the outlet is connected to the cooling water return pipe (82); A first valve body (84) is provided on the cooling water input pipe (81), and a check valve (85) is provided on the cooling water return pipe (82); the short-circuit pipe (83) is in communication with the cooling water input pipe (81), and the communication position is located on the upstream side of the first valve body (84); the short-circuit pipe (83) is in communication with the cooling water return pipe (82), and the communication position is located on the downstream side of the check valve (85).

7. The transmission oil temperature regulating system according to claim 5, characterized in that: The second delivery pipeline (13) is also connected to a first cleaning pipeline (14).

8. The transmission oil temperature regulating system according to claim 5, characterized in that: A gas collecting tank (16) is also provided on the second delivery pipeline (13); the heat-conducting medium flowing out of the first heat exchanger (2) flows into the gas collecting tank (16) through the second delivery pipeline (13), and the heat-conducting medium flowing out of the gas collecting tank (16) flows back to the first circulation pump (15).

9. The transmission oil temperature regulating system according to claim 8, characterized in that: The gas collecting tank (16) has a degassing module (9), and the degassing module (9) comprises an exhaust pipeline (91), an expansion tank (92), and a liquid return pipeline (93); the exhaust pipeline (91) is connected to the upper part of the gas collecting tank (16) and the upper part of the expansion tank (92), and the liquid return pipeline (93) is connected to the bottom of the expansion tank (92) and the middle part of the gas collecting tank (16).

10. The transmission oil temperature regulating system according to claim 9, characterized in that: The expansion tank (92) is also provided with a first liquid level switch (94), a first oil replenishment pipeline (96) and an overflow pipeline (95).

Images