CN218884274U

CN218884274U - Compact type heat conduction oil heating system

Info

Publication number: CN218884274U
Application number: CN202320202540.2U
Authority: CN
Inventors: 李海军; 郝瑞崇
Original assignee: Taiyuan Zhongte Electrical Technology Co ltd
Current assignee: Taiyuan Zhongte Electrical Technology Co ltd
Priority date: 2023-02-06
Filing date: 2023-02-06
Publication date: 2023-04-18
Anticipated expiration: 2033-02-06

Abstract

The application relates to a compact conduction oil heating system, relates to the field of engine testing, and includes an installation shell, and a heating assembly and a heat conduction assembly which are arranged in the installation shell. The heating assembly comprises a heating pipe, the heat conduction assembly comprises an oil storage pipe, the inlet end of the oil storage pipe is connected with an oil inlet pipe, the outlet end of the oil storage pipe is connected with an oil outlet pipe, the oil storage pipe is used for filling working oil and transmitting the temperature of the heat conduction oil to the working oil; by adopting an indirect heating mode, the working oil can not directly contact with the heating pipe, so that the surface carbon deposition of the heating pipe after long-time use can be ensured to not influence the quality of the working oil.

Description

Compact type heat conduction oil heating system

Technical Field

The application relates to the field of engine testing, in particular to a compact type heat conduction oil heating system.

Background

The automobile engine needs to be tested in the production process, and the engine test comprises a general starting test, a diesel engine idling test, a gasoline engine idling test, a power test, a load characteristic test, a universal characteristic test, a diesel engine speed regulation characteristic test, a mechanical loss power test, a work uniformity test of each cylinder and the like, so that the performance of the automobile engine is evaluated, and the normal operation of the engine in daily operation is ensured to a greater extent.

In the related art, when an engine is tested, heated working oil is required to be used to ensure that the engine is in a proper test condition, a heater is used to heat the working oil at present, the working oil is pumped into the heater to be heated in the heating process, and the working oil is pumped out of the heater after the heating is finished.

In view of the above-mentioned related arts, the inventor believes that, in the process of heating the working oil, the working oil is in direct contact with the heater, and although the heating efficiency is high, carbon deposition is easily generated on the surface of the heater after long-time use, so that the working oil in direct contact with the heater is deteriorated to some extent, and further the result of the engine test may be affected.

SUMMERY OF THE UTILITY MODEL

In order to reduce the condition that the operating oil produces rotten when heating, this application provides a compact conduction oil heating system.

The application provides a compact conduction oil heating system, adopts following technical scheme:

a compact type heat-conducting oil heating system comprises an installation shell, a heating assembly and a heat-conducting assembly, wherein the heating assembly and the heat-conducting assembly are arranged in the installation shell; the installation shell is internally hollow to be formed and holds the chamber, it has the conduction oil to hold the intracavity packing, heating element including set up in hold the heating pipe of intracavity, heat conduction element including set up in hold the oil storage pipe of intracavity, the entry end of oil storage pipe is connected with into oil pipe, the exit end of oil storage pipe is connected with out oil pipe, the oil storage pipe is used for filling the working oil to give the working oil with the temperature transmission of conduction oil.

By adopting the technical scheme, when the working oil is heated, the working oil is filled into the oil storage pipe, the heating pipe generates heat to heat the heat conduction oil in the accommodating cavity, the heated heat conduction oil heats the side wall of the oil storage pipe, and then the temperature of the side wall of the oil storage pipe is transferred to the working oil in the oil storage pipe, so that the working oil is heated, and the working oil is discharged through the oil outlet pipe for use after the working oil is heated to meet the use requirement; by adopting the indirect heating mode, the working oil can not directly contact with the heating pipe, thereby ensuring that the carbon deposition on the surface of the heating pipe after long-time use can not influence the quality of the working oil.

Optionally, the heating assembly further comprises a mounting flange arranged on the side wall of the accommodating cavity, a controller arranged on one side of the mounting flange, the heating pipe is arranged on the other side of the mounting flange, and the heating pipe is of a U-shaped structure.

Through adopting above-mentioned technical scheme, the area of contact between heating pipe and the conduction oil has been increased in the design of U type structure to the heating pipe is faster to the rate of heating of conduction oil, and efficiency is higher.

Optionally, the heating pipes are arranged on the mounting flange in parallel.

Through adopting above-mentioned technical scheme, the heating efficiency of heating pipe to the conduction oil further promotes.

Optionally, the oil storage pipe is of a spiral structure, and the central axis of the heating pipe coincides with the spiral central axis of the oil storage pipe.

Through adopting above-mentioned technical scheme, the mounting structure between heating pipe and the oil storage pipe is compact, saves space, and the heating pipe is located the center of oil storage pipe simultaneously, and after the heating pipe heated the conduction oil, the conduction oil was more even to the heat transfer of each part of oil storage pipe to ensure that the working oil is by the even heating.

Optionally, the oil storage pipe further comprises a temperature control assembly, wherein the temperature control assembly comprises a temperature sensor arranged on the installation shell, and a probe of the temperature sensor extends into the oil storage pipe through the installation shell.

Through adopting above-mentioned technical scheme, temperature sensor can carry out intelligent monitoring to the temperature of the working oil in the oil storage pipe to give external master controller with signal transmission, thereby the master controller can be according to actual conditions to the filling of the working oil in the oil storage pipe and take out and control, does not need artificially to control convenient and fast.

Optionally, the temperature control assembly further includes a temperature limit switch disposed on the mounting case, and the temperature limit switch is electrically connected to the controller.

Through adopting above-mentioned technical scheme, temperature limit switch can hold the conduction oil of intracavity and rise to the connection between the extreme temperature between cut-off controller and the power to the guarantee heating pipe is under safe operating condition.

Optionally, an oil inlet and an oil outlet which are communicated with the accommodating cavity are formed in the mounting shell, and sealing plugs are arranged on the oil inlet and the oil outlet.

Through adopting above-mentioned technical scheme, the conduction oil can produce the phenomenon of ageing inefficacy after long-time the use, can regularly change the conduction oil through oil inlet and oil-out to the heat conduction effect of guarantee conduction oil.

Optionally, a visible liquid level pipe is arranged on the outer side wall of the mounting shell, and the lower end of the visible liquid level pipe is communicated with the accommodating cavity.

Through adopting above-mentioned technical scheme, the oil mass that holds the intracavity conduction oil is more directly perceived, and the staff of being convenient for observes the oil mass that holds the intracavity conduction oil when changing the conduction oil, convenient and fast.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by adopting an indirect heating mode, the working oil can not be directly contacted with the heating pipe, so that the carbon deposition on the surface of the heating pipe after long-time use can be ensured not to influence the quality of the working oil;

2. the installation structure between the heating pipe and the oil storage pipe is compact, the space is saved, meanwhile, the heating pipe is positioned in the center of the oil storage pipe, and after the heating pipe heats the heat conduction oil, the heat transfer of the heat conduction oil to all parts of the oil storage pipe is more uniform, so that the working oil is ensured to be uniformly heated;

3. the temperature limit switch can cut off the connection between the controller and the power supply when the heat conduction oil in the accommodating cavity rises to the limit temperature, so that the heating pipe is ensured to be in a safe working state.

Drawings

FIG. 1 is a schematic structural diagram of a compact heat transfer oil heating system according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a compact thermal oil heating system according to an embodiment of the present application;

fig. 3 is a schematic side view of a compact thermal oil heating system according to an embodiment of the present application.

Description of reference numerals:

1. mounting a shell; 11. an accommodating chamber; 12. an oil inlet; 13. an oil outlet; 14. a sealing plug; 15. a visible liquid level tube; 2. a heating assembly; 21. installing a flange; 22. a controller; 23. heating a tube; 3. a heat conducting component; 31. an oil storage tube; 32. an oil inlet pipe; 33. an oil outlet pipe; 4. a temperature control assembly; 41. a temperature sensor; 42. a temperature limit switch.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1 and 2, the embodiment of the application discloses a compact type heat-conducting oil heating system, which comprises an installation shell 1, a heating assembly 2 and a heat-conducting assembly 3, wherein the heating assembly 2 and the heat-conducting assembly are both arranged in the installation shell 1; the mounting shell 1 is of a horizontally arranged cuboid structure, the mounting shell 1 is hollow inside to form a containing cavity 11, heat conduction oil is filled in the containing cavity 11, and the heating assembly 2 is used for heating the heat conduction oil; the heat conduction assembly 3 is filled with working oil, and the heat conduction assembly 3 transmits the temperature of the heat conduction oil to the working oil, so that the heating of the working oil is completed.

The heating assembly 2 includes a mounting flange 21, a controller 22, and a heating tube 23. The mounting flange 21 is made of steel and is fixedly arranged on the side wall of the accommodating cavity 11 through bolts; in this embodiment, the heating pipe 23 is a stainless steel heating pipe 23, the heating pipe 23 uses a stainless steel metal pipe as a housing, spiral high-temperature resistance wires (nickel-chromium and iron-chromium alloy) are uniformly distributed along the central axial direction in the pipe, a gap is filled with magnesia powder with good insulating and heat conducting properties, the heating pipe 23 converts electric energy into heat energy, the heating pipe has high thermal efficiency, convenient use, simple installation, no pollution and good explosion-proof performance, the heating pipe 23 is fixedly arranged on the installation flange 21, and the length direction of the heating pipe 23 is perpendicular to the installation flange 21; the controller 22 provides electric energy for starting the heating pipe 23, the controller 22 is fixedly arranged on one side of the mounting flange 21 where the heating pipe 23 is not arranged, a yielding hole is formed in the side wall of the mounting shell 1, and the controller 22 is arranged on the outer side wall of the mounting shell 1 through the yielding hole; in this embodiment, a silica gel sealing ring is arranged between the mounting flange 21 and the side wall of the mounting shell 1, and the condition that the heat conducting oil in the accommodating cavity 11 leaks from the yielding hole can be reduced by the silica gel sealing ring.

When the heat conduction oil is heated, the controller 22 is connected with a power supply, the controller 22 is started, the controller 22 is used for electrifying the heating pipe 23, when current passes through the high-temperature resistance wire in the heating pipe 23, heat is generated and is diffused to the surface of the heating pipe 23 through the magnesium oxide powder, and then the heat is transferred to the heat conduction oil in the accommodating cavity 11, so that the purpose of heating the heat conduction oil is achieved.

The heating pipe 23 is U type structure, and the area of contact between heating pipe 23 and the conduction oil has been increased in the design of U type structure to the heating pipe 23 is faster to the rate of heating of conduction oil, and efficiency is higher. The heating pipes 23 are arranged on the mounting flange 21 in parallel, the length directions of the heating pipes 23 are parallel to each other, and the contact area between the heating pipes 23 and the heat transfer oil is further increased due to the arrangement of the heating pipes 23, so that the heating efficiency of the heat transfer oil by the heating pipes 23 is further improved.

Referring to fig. 2 and 3, the heat conducting assembly 3 includes an oil storage tube 31 fixedly disposed in the accommodating cavity 11, an inlet end of the oil storage tube 31 is connected with an oil inlet tube 32, an outlet end of the oil storage tube 31 is connected with an oil outlet tube 33, the oil inlet tube 32 and the oil outlet tube 33 are both disposed on the side wall of the installation shell 1, the oil inlet tube 32 and the oil outlet tube 33 are disposed on the same side of the installation shell 1, the oil storage tube 31 is filled with working oil, and in this embodiment, the oil storage tube 31 is made of stainless steel.

When the working oil is heated, the working oil is filled into the oil storage pipe 31 through the oil inlet pipe 32, the heated heat conduction oil heats the side wall of the oil storage pipe 31, and then the temperature of the side wall of the oil storage pipe 31 is transferred to the working oil in the oil storage pipe 31, so that the working oil is heated, and the working oil is discharged through the oil outlet pipe 33 for use after the working oil is heated to meet the use requirement; by adopting the indirect heating mode, the working oil can not directly contact the heating pipe 23, so that the carbon deposition on the surface of the heating pipe 23 after long-time use can not affect the quality of the working oil, and the test effect of the working oil can be further ensured.

The oil storage pipe 31 is of a spiral structure, the oil storage pipe 31 is wound on the outer peripheral side of the heating pipes 23, and the central axes of the heating pipes 23 are overlapped with the spiral central axis of the oil storage pipe 31; therefore, the installation structure between the heating pipe 23 and the oil storage pipe 31 is compact, the space is saved, meanwhile, the heating pipe 23 is located in the center of the oil storage pipe 31, after the heating pipe 23 heats the heat conduction oil, the heat conduction oil can transfer heat to all parts of the oil storage pipe 31 more uniformly, and therefore the working oil can be uniformly heated.

An oil inlet 12 and an oil outlet 13 are arranged at the top of the mounting shell 1, and both the oil inlet 12 and the oil outlet 13 can be detachably provided with a sealing plug 14. The heat conduction oil can generate aging failure after being used for a long time, so the heat conduction oil needs to be replaced regularly to ensure the heat conduction effect of the heat conduction oil; when the heat conduction oil is replaced, the sealing plug 14 on the oil outlet 13 is opened, the heat conduction oil in the accommodating cavity 11 is extracted from the oil outlet 13 by using an oil pump, after extraction is completed, the sealing plug 14 is plugged into the oil outlet 13 to seal the oil outlet 13, the sealing plug 14 on the oil inlet 12 is opened, new heat conduction oil is injected into the accommodating cavity 11 from the oil inlet 12, and after the heat conduction oil is filled in the accommodating cavity 11, the sealing plug 14 is plugged into the oil inlet 12 to seal the oil inlet 12.

Be provided with visual liquid level pipe 15 on the lateral wall of installation shell 1, the lower extreme of visual liquid level pipe 15 with hold chamber 11 and be linked together, the upper end of visual liquid level pipe 15 also with hold chamber 11 and be linked together, in this embodiment, visual liquid level pipe 15 adopts transparent high temperature resistant glass to make, extracting the conduction oil or injecting the in-process that holds chamber 11 with the conduction oil from holding chamber 11, the liquid level height of conduction oil in visual liquid level pipe 15 changes along with the capacity that holds the conduction oil in chamber 11, thereby the oil mass of the conduction oil that holds in chamber 11 is more directly perceived, the staff of being convenient for observes, and control the extraction and the injection of the conduction oil that holds in chamber 11 according to the observation result.

Still be provided with temperature control assembly 4 on the installation shell 1, temperature control assembly 4 includes temperature sensor 41, and temperature sensor 41 is fixed to be set up on the lateral wall of installation shell 1, is located installation shell 1 and is provided with on the relative lateral wall in one side of controller 22, and temperature sensor 41's probe stretches into the inside of oil storage pipe 31 through the lateral wall of installation shell 1, and temperature sensor 41's probe is fixed to be set up in the end that produces oil of oil storage pipe 31, and temperature sensor 41 is connected with controller 22 electricity.

In the heating process, temperature sensor 41 can carry out intelligent monitoring to the temperature of the working oil in oil storage pipe 31 to convert temperature signal into electrical signal and carry for external master controller, the master controller can be the conventional known equipment of computer etc. play control, thereby the master controller can be according to actual conditions to the filling of the working oil in oil storage pipe 31 with take out and control, do not need artificial control, the operation of being convenient for.

The temperature control assembly 4 further comprises a temperature limit switch 42 fixedly arranged on the side wall of the mounting case 1, and the temperature limit switch 42 is electrically connected with the controller 22. The temperature limit switch 42 can cut off the connection between the controller 22 and the power supply when the heat transfer oil in the accommodating cavity 11 rises to a limit temperature, so as to ensure that the heating pipe 23 is in a safe working state, and reduce the occurrence of accidents, wherein the limit temperature is 120 degrees in the embodiment.

The implementation principle of the compact type heat conduction oil heating system in the embodiment of the application is as follows: when the working oil is heated, the working oil is filled into the oil storage pipe 31, the controller 22 is started to electrify the heating pipe 23, the heating pipe 23 generates heat to heat the heat conduction oil in the accommodating cavity 11, the heated heat conduction oil heats the side wall of the oil storage pipe 31, and then the temperature of the side wall of the oil storage pipe 31 is transferred to the working oil in the oil storage pipe 31, so that the working oil is heated, and the working oil is discharged through the oil outlet pipe 33 for use after the working oil is heated to meet the use requirement; by adopting the indirect heating mode, the working oil does not directly contact the heating pipe 23, so that the carbon deposition on the surface of the heating pipe 23 after long-time use can be ensured not to influence the quality of the working oil.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a compact conduction oil heating system which characterized in that: the heat-conducting and heat-insulating material comprises a mounting shell (1), and a heating component (2) and a heat-conducting component (3) which are arranged in the mounting shell (1); the installation shell (1) is inside hollow to be formed and holds chamber (11), it is filled with the conduction oil to hold chamber (11) intussuseption, heating element (2) including set up in hold heating pipe (23) in chamber (11), heat-conducting element (3) including set up in hold oil storage pipe (31) in chamber (11), the entry end of oil storage pipe (31) is connected with into oil pipe (32), the exit end of oil storage pipe (31) is connected with out oil pipe (33), oil storage pipe (31) are used for filling the working oil to transmit the temperature of conduction oil for the working oil.

2. The compact thermal oil heating system according to claim 1, wherein: heating element (2) still including set up in hold mounting flange (21) on chamber (11) lateral wall, set up in controller (22) of mounting flange (21) one side, heating pipe (23) set up in the opposite side of mounting flange (21), heating pipe (23) are U type structure.

3. The compact thermal oil heating system according to claim 2, wherein: the heating pipes (23) are arranged on the mounting flange (21) in parallel.

4. The compact thermal oil heating system according to claim 3, wherein: the oil storage pipe (31) is of a spiral structure, and the central axis of the heating pipe (23) and the spiral central axis of the oil storage pipe (31) coincide with each other.

5. The compact thermal oil heating system according to claim 2, wherein: still include temperature control assembly (4), temperature control assembly (4) including set up in temperature sensor (41) on installation shell (1), the probe of temperature sensor (41) passes through installation shell (1) stretches into in oil storage pipe (31).

6. The compact thermal oil heating system according to claim 5, wherein: the temperature control assembly (4) further comprises a temperature limit switch (42) arranged on the mounting shell (1), and the temperature limit switch (42) is electrically connected with the controller (22).

7. The compact thermal oil heating system according to claim 1, wherein: the outer side wall of the mounting shell (1) is provided with a visible liquid level pipe (15), and the lower end of the visible liquid level pipe (15) is communicated with the accommodating cavity (11).

8. The compact thermal oil heating system according to claim 1, wherein: an oil inlet (12) and an oil outlet (13) communicated with the accommodating cavity (11) are formed in the mounting shell (1), and sealing plugs (14) are arranged on the oil inlet (12) and the oil outlet (13).