CN115390595A - Lubricating oil temperature adjusting device and engine bench test system - Google Patents
Lubricating oil temperature adjusting device and engine bench test system Download PDFInfo
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- CN115390595A CN115390595A CN202211007568.7A CN202211007568A CN115390595A CN 115390595 A CN115390595 A CN 115390595A CN 202211007568 A CN202211007568 A CN 202211007568A CN 115390595 A CN115390595 A CN 115390595A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The application discloses adjusting device and engine bench test system of lubricating oil temperature belongs to engine test device technical field. The device comprises: the temperature measuring device comprises a first fixing piece, a temperature measuring piece, a control piece, a cooler and a control valve; the first fixing piece is provided with a liquid inlet channel, a liquid outlet channel and a temperature measuring hole, the temperature measuring hole is communicated with the liquid outlet channel, and the temperature measuring piece is positioned at the temperature measuring hole; the cooler comprises a cooling body, a first circulating pipeline and a second circulating pipeline, the first circulating pipeline is positioned outside the cooling body and communicated with the inside of the cooling body, and the control valve is positioned on the first circulating pipeline; the second circulating pipeline is positioned in the cooling body, one end of the second circulating pipeline is communicated with the liquid inlet channel, and the other end of the second circulating pipeline is communicated with the liquid outlet channel; the control part is in signal connection with the temperature measuring part and the control valve, and the control part is used for receiving and processing temperature data sent by the temperature measuring part and sending a control signal to the control valve. The device can realize the accurate control to the temperature of the lubricating oil through the cooler.
Description
Technical Field
The application relates to the technical field of engine test devices, in particular to a lubricating oil temperature adjusting device and an engine bench test system.
Background
The lubricating oil is used as a working medium of an engine lubricating system, and the temperature of the lubricating oil directly influences the working state of an engine and the service life of parts. Therefore, when performing the engine bench test, it is necessary to study how to lower the temperature of the engine lubricating oil to ensure safe and stable operation of the engine.
In the related art, the engine bench test system blows the oil pan and the engine by using the air cooler, and takes away heat on the engine by accelerating air flow, so that the temperature of lubricating oil is reduced. However, since the amount of heat taken away by the wind is limited and affected by the ambient temperature, the temperature of the lubricating oil cannot be precisely controlled.
Disclosure of Invention
In view of this, the present application provides a lubricating oil temperature adjusting device and an engine bench test system, which can accurately control the temperature of the lubricating oil.
Specifically, the method comprises the following technical scheme:
in one aspect, an embodiment of the present application provides a lubricating oil temperature adjusting device, the device includes: the temperature measuring device comprises a first fixing piece, a temperature measuring piece, a control piece, a cooler and a control valve;
the first fixing piece is provided with a liquid inlet channel, a liquid outlet channel and a temperature measuring hole, the temperature measuring hole is communicated with the liquid outlet channel, and the temperature measuring piece is positioned at the temperature measuring hole;
the cooler comprises a cooling body, a first circulating pipeline and a second circulating pipeline, the first circulating pipeline is positioned outside the cooling body and communicated with the inside of the cooling body, and the control valve is positioned on the first circulating pipeline; the second circulating pipeline is positioned in the cooling body, one end of the second circulating pipeline is communicated with the liquid inlet channel, and the other end of the second circulating pipeline is communicated with the liquid outlet channel;
the control part is in signal connection with the temperature measuring part and the control valve, and is used for receiving and processing temperature data sent by the temperature measuring part and sending a control signal to the control valve.
In some embodiments, the first fixing member includes a fixing body having a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole being non-coplanar;
the first mounting hole is communicated with the liquid inlet channel and is used for fixing a first hollow bolt;
the second mounting hole is communicated with the liquid outlet channel and is used for fixing a second hollow bolt.
In some embodiments, the fixing body has a mounting hole penetrating through the fixing body, and the inner wall of the mounting hole has a fixing portion for fixing a hollow stud;
the mounting hole channel positioned on one side of the fixing part is communicated with the liquid inlet channel, and the mounting hole channel positioned on the other side of the fixing part is communicated with the liquid outlet channel.
In some embodiments, the device further comprises a filter;
the filter is positioned on one side of the fixed body and is communicated with the liquid outlet channel.
In some embodiments, the fixing body has a pressure tap thereon, the pressure tap being located at one side of the first mounting hole.
In some embodiments, the control has a power input interface and a power output interface;
the power input interface is connected with an external power supply and used for supplying power to the control piece;
and the power output interface is connected with the control valve and used for supplying power to the control valve.
In some embodiments, the control comprises a processor, a signal receiver, and a signal transmitter;
the signal receiver and the signal transmitter are both electrically connected with the processor, the signal receiver is used for receiving temperature information of the temperature measuring piece, and the signal transmitter is used for transmitting control information and temperature alarm information of the control valve.
In some embodiments, the apparatus further comprises a second fixture fixedly coupled to the cooler.
In some embodiments, the second fixture has a third mounting hole, a fourth mounting hole, and a plurality of fifth mounting holes;
the third mounting holes and the fourth mounting holes are arranged at intervals, and the fifth mounting holes are annularly arranged on the periphery of the second fixing piece.
In another aspect, the present application further provides an engine bench test system, which includes the lubricating oil temperature adjusting device and an engine as described in the above aspect, wherein the engine is connected to the first fixing member.
When the lubricating oil temperature adjusting device provided by the embodiment of the application is used, lubricating oil can flow into the second circulating pipeline of the cooler from the liquid inlet channel of the first fixing piece, cooling of the lubricating oil in the second circulating pipeline is realized through cooling circulation of the first circulating pipeline of the cooler, and the cooled lubricating oil can flow back into the liquid outlet channel of the first fixing piece and flow out of the liquid outlet channel so as to realize temperature adjustment of the lubricating oil; because be fixed with the temperature measurement spare on the first mounting, the temperature measurement spare can carry out temperature detection to the lubricating oil that flows from going out the liquid passageway to send temperature data for the control, the control is after receiving and handling temperature data, sends control signal to the control valve, and then realizes the regulation of control valve opening. The device passes through the cooperation of temperature spare, control piece and control valve, can realize the control to the fluid flow in the cooler, and then can realize the accurate control to the temperature of the lubricating oil through the cooler.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a lubricating oil temperature regulation device according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a first fixing element in a temperature adjustment device for lubricating oil according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a first fixing element at another angle in a temperature adjustment device for lubricating oil according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a first fixing element in a lubricating oil temperature adjusting device according to an embodiment of the present application when in use;
fig. 5 is a schematic view illustrating a disassembled structure of a first fixing member of a temperature adjusting device for lubricating oil according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a second fixing element in a temperature adjustment device for lubricating oil according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a second fixing element in a temperature adjustment device for lubricating oil according to an embodiment of the present disclosure in use;
fig. 8 is a schematic structural diagram of a control element in a temperature regulation device for lubricating oil according to an embodiment of the present application.
The reference numerals in the figures are denoted respectively by:
1-a first fixing piece, 11-a liquid inlet channel, 12-a liquid outlet channel, 13-a temperature measuring hole, 14-a fixing body, 15-a first hollow bolt, 16-a second hollow bolt, 141-a first mounting hole, 142-a second mounting hole, 143-a pressure measuring hole, 144-a mounting pore channel, 145-a fixing part, 146-a first fixing groove, 147-a second fixing groove and 148-a third fixing groove;
2-temperature measuring parts;
3-control, 301-power input interface, 302-power output interface, 31-processor, 32-signal receiver, 33-signal transmitter;
4-cooler, 40-cooling body, 41-first circulation line, 42-second circulation line;
5-a control valve;
6-double-end hollow bolt;
7-a filter;
8-second fixing piece, 81-third mounting hole, 82-fourth mounting hole, 83-fifth mounting hole and 84-lightening hole.
Specific embodiments of the present application have been shown by way of example in the drawings and will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Reference to orientation terms in the embodiments of the present application, such as "upper" and "lower", are generally used with respect to the relative orientation shown in fig. 1, and these orientation terms are used merely for clarity of description of the structures and the relationship between the structures, and are not used for describing absolute orientation. When the product is placed in different positions, the orientation may change, for example, "up" and "down" may be interchanged.
In order to make the technical solutions and advantages of the present application clearer, the following will describe the embodiments of the present application in further detail with reference to the accompanying drawings.
The lubricating oil is used as a working medium of an engine lubricating system, and the temperature of the lubricating oil directly influences the working state of an engine and the service life of parts. The excessive temperature of the lubricating oil can accelerate the aging of the engine oil, reduce the viscosity of the lubricating oil, influence the pressure and the lubricating effect of the engine oil, accelerate the surface abrasion of each part of the engine, and lead to the problems of rough operation, tile pulling, abnormal sound, bearing locking, engine damage and the like of the engine in serious cases; too low a temperature of the lubricating oil will result in higher viscosity of the oil, higher pressure of the oil, higher frictional resistance, loss of mechanical power and increased oil consumption of the engine; especially, the modern engine is provided with a variable oil pump, and the requirement on the oil temperature is more strict.
Therefore, when an engine bench test is performed, the temperature of the lubricating oil of the engine needs to be studied to ensure safe and stable operation of the engine, so as to obtain accurate test data, obtain the most reasonable temperature of the lubricating oil when the engine works, and provide verification and improvement schemes for the design and development of the engine and a lubricating and cooling device.
At present, the regulative mode of lubricating oil temperature mainly is air-cooled cooling, and engine bench test system utilizes the air-cooler to blow to oil pan and engine, takes away the heat on the engine through the mode of accelerating the air flow to reduce the temperature of lubricating oil, because the heat of taking away of blowing is limited and receive ambient temperature to influence, the temperature of unable accurate control lubricating oil.
In view of this, the embodiment of the present application provides a device for adjusting the temperature of lubricating oil, and a schematic structural diagram of the device is shown in fig. 1.
Referring to fig. 1, the apparatus includes: the temperature measuring device comprises a first fixing part 1, a temperature measuring part 2, a control part 3, a cooler 4 and a control valve 5.
The first fixing piece 1 is provided with a liquid inlet channel 11, a liquid outlet channel 12 and a temperature measuring hole 13, the temperature measuring hole 13 is communicated with the liquid outlet channel 12, and the temperature measuring piece 2 is located at the temperature measuring hole 13, namely, the first fixing piece 1 can be used for fixing the temperature measuring piece 2.
The cooler 4 comprises a cooling body 40, a first circulation line 41 and a second circulation line 42, the first circulation line 41 is positioned outside the cooling body 40 and communicates with the inside of the cooling body 40, and the control valve 5 is positioned on the first circulation line 41; the second circulation pipeline 42 is located inside the cooling body 40, one end of the second circulation pipeline 42 is communicated with the liquid inlet channel 11, and the other end is communicated with the liquid outlet channel 12, so that the liquid entering from the liquid inlet channel 11 can enter the second circulation pipeline 42 of the cooler 4 to be cooled, and then flows out from the liquid outlet channel 12.
The control part 3 is in signal connection with the temperature measuring part 2 and the control valve 5, and the control part 3 is used for receiving and processing temperature data sent by the temperature measuring part 2 and sending a control signal to the control valve 5.
It is understood that the control valve 5 has an initial opening degree.
Referring to fig. 1, when the device is used, lubricating oil can flow into the second circulation pipeline 42 of the cooler 4 from the liquid inlet channel 11 of the first fixing member 1, the cooling of the lubricating oil in the second circulation pipeline 42 is realized through the cooling circulation of the first circulation pipeline 41 of the cooler 4, and the cooled lubricating oil can flow back into the liquid outlet channel 12 of the first fixing member 1 and flow out from the liquid outlet channel 12 to realize the temperature regulation of the lubricating oil; because the temperature measuring part 2 is fixed on the first fixing part 1, the temperature measuring part 2 can detect the temperature of the lubricating oil flowing out of the liquid outlet channel 12 and send temperature data to the control part 3, and the control part 3 sends a control signal to the control valve 5 after receiving and processing the temperature data, so that the opening of the control valve 5 can be adjusted.
When the temperature measuring part 2 measures the temperature of the lubricating oil flowing out of the liquid outlet channel 12, the temperature measuring part can send the temperature data to the control part 3 in the form of signals, after the control part 3 receives the signals carrying the temperature data, the signals are processed to obtain control signals for adjusting the opening of the control valve 5, the control signals are sent to the control valve 5, and after the control valve 5 receives the control signals, the opening is adjusted to be the preset opening indicated by the control information according to the control information carried by the control signals. It can be understood that, when the preset opening is larger than the initial opening, the flow of the cooling liquid in the first circulation pipeline 41 is increased, the flow rate is increased, the cooling efficiency is improved, and the heat exchange time required by the lubricating oil and the cooling liquid is reduced; when the preset opening degree is smaller than the initial opening degree, the flow rate of the cooling liquid in the first circulation line 41 is reduced, the flow speed is reduced, and the cooling speed is reduced.
Therefore, the device can realize the control of the flow of the cooling liquid in the cooler 4 through the matching of the temperature part 2, the control part 3 and the control valve 5, and further can realize the accurate control of the temperature of the lubricating oil passing through the cooler 4.
The following describes the structure of the lubricating oil temperature adjusting device provided in the embodiment of the present application in more detail:
the first fixing part 1 is used for providing support for the inflow and outflow of lubricating oil and the fixation of the temperature measuring part, and plays a role in fixation. Fig. 2 is a schematic structural diagram of a first fixing element 1 in a temperature adjustment device for lubricating oil according to an embodiment of the present application, fig. 3 is a schematic structural diagram of the first fixing element 1 in the temperature adjustment device for lubricating oil according to the embodiment of the present application at another angle, fig. 4 is a schematic structural diagram of the first fixing element 1 in the temperature adjustment device for lubricating oil according to the embodiment of the present application when in use, and fig. 5 is a schematic structural diagram of the first fixing element 1 in the temperature adjustment device for lubricating oil according to the embodiment of the present application when in use.
In one possible design, referring to fig. 2 and 3, the first fixing member 1 includes a fixing body 14, the fixing body 14 has a first mounting hole 141 and a second mounting hole 142, and the first mounting hole 141 and the second mounting hole 142 are not coplanar;
referring to fig. 4 and 5, the first mounting hole 141 communicates with the liquid inlet passage 11 and serves to fix the first hollow bolt 15; the second mounting hole 142 communicates with the outlet passage 12 and is used for fixing the second hollow bolt 16.
It can be understood that the liquid inlet channel 11 and the liquid outlet channel 12 are both located on the fixing body 14, a first communication pipeline is arranged between the first mounting hole 141 and the cooler 4, a second communication pipeline is arranged between the second mounting hole 142 and the cooler 4, the first hollow bolt 15 is used for connecting the fixing body 14 with the first communication pipeline, and the second hollow bolt 16 is used for connecting the fixing body 14 with the second communication pipeline.
In one possible design, referring to fig. 5, the inner wall of the first mounting hole 141 has a first internal thread adapted to be coupled with the external thread of the first hollow bolt 15; the inner wall of the second mounting hole 142 has a second internal thread adapted to be matingly coupled with the external thread of the second hollow bolt 16.
In a possible design, the first mounting hole 141 has a first fixing groove 146 on a side facing the first communication line, the first fixing groove 146 is used for fixing a first sealing ring, and the first sealing ring is used for contact between the first hollow bolt 15 and the fixing body 14; the second mounting hole 142 has a second fixing groove 147 at a side thereof facing the second communication line, the second fixing groove 147 being used to fix a second sealing ring for contact between the second hollow bolt 16 and the fixing body 14.
Optionally, the first sealing ring and the second sealing ring can be made of rubber, and have the characteristics of temperature resistance, oil resistance, pressure resistance and strong deformation resistance.
In one possible design, the first hollow bolt 15 and the second hollow bolt 16 are made of No. 45 steel materials, and have the characteristics of high strength, good wear resistance and long service life.
In one possible design, see fig. 2, the fixing body 14 has a pressure measuring hole 143, the pressure measuring hole 143 is coplanar with the second mounting hole 142, the pressure measuring hole 143 is located at one side of the first mounting hole 141, and a pressure measuring member (not shown in the figure) is disposed in the pressure measuring hole 143 for measuring the pressure of the lubricant in the liquid inlet passage 11.
Alternatively, the pressure measuring and measuring element may be a pressure sensor, and when the lubricant oil flows in the pipe of the first fixing element 1, the pressure sensor may convert the pressure applied to the lubricant oil into an electrical signal under the condition that the pressure applied to the lubricant oil flows, that is, an electrical signal containing pressure information.
In a possible design, the pressure measuring and pressing part can be in signal connection with the control part 3, and is used for sending measured pressure information to the control part 3 in a signal form, so that the control part 3 can conveniently obtain the pressure of lubricating oil in the liquid inlet channel 11, and the pressure of the lubricating oil can be monitored in real time.
In one possible design, see fig. 2 and 5, the fixing body 14 has a mounting bore 144 extending through the fixing body 14, the inner wall of the mounting bore 144 having a fixing portion 145, the fixing portion 145 being used for fixing the hollow stud 6, the hollow stud 6 being used for connection to the engine, drawing out the lubricating oil, even if the lubricating oil passes through the inner space thereof.
The mounting hole 144 at one side of the fixing portion 145 communicates with the first mounting hole 141, and the mounting hole 144 at the other side of the fixing portion 145 communicates with the second mounting hole 142.
It is understood that the mounting hole 144 at one side of the fixing portion 145 and the first mounting hole 141 together form the inlet passage 11, and the mounting hole 144 at the other side of the fixing portion 145 and the second mounting hole 142 together form the outlet passage 12.
In one possible design, referring to fig. 5, the stud bolt 6 is a cylindrical bolt, the fixing portion 145 has a circular hollow structure, one end of the stud bolt 6 can pass through the circular hollow structure of the fixing portion 145, and the threaded portion at the middle of the stud bolt 6 is matched and connected with the corresponding threaded portion of the stud bolt 6, so as to realize the fixed connection between the stud bolt 6 and the fixing portion 145.
Optionally, the stud hollow bolt 6 is made of No. 45 steel materials and has the characteristics of high strength, good wear resistance and long service life.
In a possible design, see fig. 1, the regulating device of the lubricating oil temperature also comprises a filter 7.
The filter 7 is located on one side of the fixing body 14, is communicated with the liquid outlet channel 12 and is used for filtering lubricating oil, and the filter 7 can filter harmful impurities such as dust, metal particles, carbon precipitates, soot particles and the like, so that the engine is protected.
When the adjusting device of lubricating oil temperature that this application embodiment provided includes filter 7, the one end of stud hollow bolt 6 links to each other with filter 7, and the other end of stud hollow bolt 6 can link to each other with the engine, and lubricating oil after the filtration flows through behind the hollow structure of stud hollow bolt 6 inside from the one end of stud hollow bolt 6, flows out to the engine from the other end of stud hollow bolt 6.
In a possible embodiment, in order to ensure the tightness between the filter 7 and the fixing body 14, the fixing body 14 has a third fixing groove 148 on the side facing the filter 7, and the third fixing groove 148 is used for fixing a third sealing ring.
Optionally, the third sealing ring can be made of rubber, and has the characteristics of temperature resistance, oil resistance, pressure resistance and strong deformation resistance.
In a possible design, the first fixing piece 1 is made of an aluminum block or an aluminum alloy material, so that the processing cost is low, and the processing and preparation mode is simple and convenient.
In addition, in the related art, the temperature of the lubricating oil can be cooled by using a cooling water circulation system, and the cooling water circulation system of the engine is connected to a special lubricating oil cooling device matched with the cooling water circulation system to adjust the temperature of the lubricating oil.
In order to solve the problem existing in the related art, the lubricating oil temperature adjusting device provided by the embodiment of the application comprises a plurality of first fixing pieces 1 of different models, the first fixing piece 1 of each model is provided with the corresponding matched hollow stud bolt 6, the lubricating oil temperature adjusting device can be matched and applied to engines of different models, and the lubricating oil temperature adjusting device has the advantages of being strong in universality and low in cost.
The temperature measuring part 2 is a device for measuring the temperature of the lubricating oil and is fixed on the first fixing part 1 through a temperature measuring hole 13.
Referring to fig. 2, the fixing body 14 further has a temperature measuring hole 13, the temperature measuring hole 13 is coplanar with the first mounting hole 141, and the temperature measuring hole 13 is located on one side of the second mounting hole 142, so that the temperature measuring element 2 can detect the temperature of the lubricating oil in the liquid outlet channel 12 communicated with the second mounting hole 142.
In order to realize the accurate control to the temperature, the temperature measurement position of temperature measurement piece 2 not only is considered in this application, and temperature measurement piece 2 fixes the one side at the second mounting hole 142 of fixed body 14 promptly, has still considered the temperature measurement mode of temperature measurement piece 2, and the temperature measurement piece 2 and the lubricating oil contact of this application for measured temperature is more accurate, quick, does the preparation for follow-up regulation control valve 5.
In one possible design, the temperature measuring element 2 is a temperature sensor.
Referring to fig. 2, it will be appreciated that the temperature measurement apertures 13 and the second mounting apertures 142 are located on one side of the fixed body 14 of the first fixing 1 but are not coplanar, the temperature measurement apertures 13 and the first mounting apertures 141 are located coplanar and spaced apart, the pressure measurement apertures 143 and the first mounting apertures 141 are located on the other side of the fixed body 14 of the first fixing 1 but are not coplanar, and the pressure measurement apertures 143 and the second mounting apertures 142 are located coplanar and spaced apart.
The cooler 4 is for cooling the lubricating oil so that the temperature of the lubricating oil is kept within a predetermined range.
In one possible design, the circulating liquid in the first circulating line 41 may be water. In addition, other liquids capable of performing a cooling function may be provided as the circulating liquid, and are not particularly limited herein.
In a possible design, referring to fig. 1, the lubricating oil temperature adjusting device further includes a second fixing member 8, fig. 6 is a schematic structural diagram of the second fixing member 8 in the lubricating oil temperature adjusting device provided in the embodiment of the present application, and fig. 7 is a schematic structural diagram of the second fixing member 8 in the lubricating oil temperature adjusting device provided in the embodiment of the present application when in use.
Wherein, the second fixing piece 8 is fixedly connected with the cooler 4 to realize the fixation of the cooler 4.
In a possible design, referring to fig. 6 and 7, the second fixing member 8 has a third mounting hole 81, a fourth mounting hole 82 and a plurality of fifth mounting holes 83, wherein the third mounting hole 81 and the fourth mounting hole 82 are arranged at intervals, and the plurality of fifth mounting holes 83 are arranged around the periphery of the second fixing member 8.
In one possible design, the second fastening part 8 also has at least one lightening hole 84 for lightening the weight of the second fastening part 8.
In one possible design, see fig. 6, the number of lightening holes 84 may be two, and the two lightening holes 84 are spaced apart.
With this arrangement, referring to fig. 6 and 7, a side of the third mounting hole 81 facing the first communicating pipe has a fourth fixing groove for fixing a fourth sealing ring for ensuring sealing performance between the first communicating pipe and the second fixing member 8; a fifth fixing groove is formed in one side, facing the second communication pipeline, of the fourth mounting hole 82, and the fifth fixing groove is used for fixing a fifth sealing ring and ensuring the sealing property between the first communication pipeline and the second fixing member 8; and is connected to the cooler 4 by a plurality of fifth mounting holes 83.
Optionally, the fourth sealing ring and the fifth sealing ring can be made of rubber, and have the characteristics of temperature resistance, oil resistance, pressure resistance and strong deformation resistance.
In a possible design, see fig. 1, the lubricant oil enters the cooler 4 from the inlet channel 11 for cooling, and after cooling, the lubricant oil flows out of the cooler 4 from the outlet channel 12 to the filter 7 for filtering.
In one possible design, see fig. 6, the number of fifth mounting holes 83 may be five.
In a possible design, the second fixing part 8 is made of an aluminum block or an aluminum alloy material, so that the processing cost is low, and the processing and preparation mode is simple and convenient.
The control part 3 is used for receiving the temperature signal sent by the temperature measuring part 2, processing the temperature signal to obtain a control signal for adjusting the opening of the control valve 5, and sending the control signal to the control valve 5. Fig. 8 is a schematic structural diagram of a control element in a temperature regulation device for lubricating oil according to an embodiment of the present application.
In one possible design, see fig. 8, the control 3 comprises a processor 31, a signal receiver 32 and a signal transmitter 33.
The signal receiver 32 and the signal transmitter 33 are both electrically connected with the processor 31, the signal receiver 32 is used for receiving the temperature information of the temperature measuring part 2, and the signal transmitter 33 is used for transmitting the control information and the temperature alarm information of the control valve 5.
It should be noted that, the processor 31 uses a Proportional-Integral-Derivative (PID) control algorithm to complete the adjustment and control of the control valve 5 by the control unit 3, so as to achieve precise adjustment of the temperature of the lubricating oil, and thus the control valve 5 has quick response.
Optionally, when the processor 31 receives the temperature information of the temperature measuring part 2 and determines that the temperature of the lubricating oil contained in the temperature information exceeds the preset temperature, the processor 31 can make a temperature alarm determination, send the temperature alarm information to an external alarm device in the form of an electrical signal by using the signal transmitter 33, and generate an alarm prompt or a protection action by using the external alarm device.
Optionally, the alarm reminding mode may be a sound alarm, a light alarm or a vibration alarm, etc. For example, the audible alarm may sound a buzzer.
In one possible design, see fig. 8, the control 3 has a power input interface 301 and a power output interface 302.
The power input interface 301 is connected to an external power source and is used for supplying power to the control member 3.
The power output interface 302 is connected with the control valve 5, and is used for supplying power to the control valve 5.
In one possible design, the external power source may be 220 VAC.
Further, an overcurrent and overheat protection switch and a circuit fuse which are connected in series can be arranged on a connection circuit between the external power supply and the power input interface 301, and disconnection protection when overcurrent or overheat occurs on the connection circuit is realized by using the overcurrent and overheat protection switch; short-circuit protection or severe overload protection on the connecting circuit is realized by using the circuit fuse.
In one possible design, the voltage output by the power output interface 302 may be 24V, and the type of current may be ac current.
The embodiment of the application further provides an engine bench test system, the system comprises the lubricating oil temperature adjusting device and the engine, and the engine is connected with the first fixing piece 1.
Through the lubricating oil temperature adjusting device who has adopted this application, can realize the temperature research to lubricating oil to engine pedestal test stage.
When the engine bench test system provided by the embodiment of the invention is used, the engine is connected with the first fixing piece 1 of the lubricating oil temperature adjusting device, lubricating oil can flow into the second circulation pipeline 42 of the cooler 4 from the liquid inlet channel 11 of the first fixing piece 1, cooling of the lubricating oil in the second circulation pipeline 42 is realized through cooling circulation of the first circulation pipeline 41 of the cooler 4, and the cooled lubricating oil can flow back into the liquid outlet channel 12 of the first fixing piece 1 and flow out from the liquid outlet channel 12 to realize temperature adjustment of the lubricating oil; because the temperature measuring part 2 is fixed on the first fixing part 1, the temperature measuring part 2 can detect the temperature of the lubricating oil flowing out of the liquid outlet channel 12 and send temperature data to the control part 3, and the control part 3 sends a control signal to the control valve 5 after receiving and processing the temperature data, so that the opening of the control valve 5 can be adjusted. This system passes through the cooperation of temperature spare 2, control 3 and control valve 5, can realize the control to fluid flow in cooler 4, and then can realize the accurate control to the temperature of the lubricating oil through cooler 4.
In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the present application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A device for regulating the temperature of lubricating oil, characterized in that it comprises: the temperature measuring device comprises a first fixing piece (1), a temperature measuring piece (2), a control piece (3), a cooler (4) and a control valve (5);
the first fixing piece (1) is provided with a liquid inlet channel (11), a liquid outlet channel (12) and a temperature measuring hole (13), the temperature measuring hole (13) is communicated with the liquid outlet channel (12), and the temperature measuring piece (2) is positioned at the temperature measuring hole (13);
the cooler (4) comprises a cooling body (40), a first circulation line (41) and a second circulation line (42), the first circulation line (41) is located outside the cooling body (40) and communicates with the inside of the cooling body (40), and the control valve (5) is located on the first circulation line (41); the second circulating pipeline (42) is positioned in the cooling body (40), one end of the second circulating pipeline (42) is communicated with the liquid inlet channel (11), and the other end of the second circulating pipeline is communicated with the liquid outlet channel (12);
the control part (3) is in signal connection with the temperature measuring part (2) and the control valve (5), and the control part (3) is used for receiving and processing temperature data sent by the temperature measuring part (2) and sending a control signal to the control valve (5).
2. The regulation device of the temperature of the lubricating oil according to claim 1, characterized in that the first fixing member (1) comprises a fixing body (14), the fixing body (14) is provided with a first mounting hole (141) and a second mounting hole (142), and the first mounting hole (141) and the second mounting hole (142) are not coplanar;
the first mounting hole (141) is communicated with the liquid inlet channel (11) and is used for fixing a first hollow bolt (15);
the second mounting hole (142) is communicated with the liquid outlet channel (12) and is used for fixing a second hollow bolt (16).
3. The regulation device of the temperature of lubricating oil according to claim 2, characterized in that the fixing body (14) has a mounting hole (144) passing through the fixing body (14), the inner wall of the mounting hole (144) having a fixing portion (145), the fixing portion (145) being used for fixing the hollow stud (6);
the mounting hole (144) on one side of the fixing portion (145) is communicated with the first mounting hole (141), and the mounting hole (144) on the other side of the fixing portion (145) is communicated with the second mounting hole (142).
4. The regulation device of the temperature of lubricating oil according to claim 2, characterized in that it further comprises a filter (7);
the filter (7) is positioned on one side of the fixed body (14) and is communicated with the liquid outlet channel (12).
5. The regulation device of the temperature of lubricating oil according to claim 2, characterized in that the fixed body (14) has a pressure measuring hole (143), the pressure measuring hole (143) being located on one side of the first mounting hole (141).
6. The regulation device of the temperature of lubricating oil according to claim 1, characterized in that the control member (3) has a power input interface (301) and a power output interface (302);
the power input interface (301) is connected with an external power supply and used for supplying power to the control piece (3);
and the power output interface (302) is connected with the control valve (5) and is used for supplying power to the control valve (5).
7. The regulation device of the temperature of lubricating oil according to claim 1, characterized in that said control member (3) comprises a processor (31), a signal receiver (32) and a signal transmitter (33);
the signal receiver (32) and the signal transmitter (33) are electrically connected with the processor (31), the signal receiver (32) is used for receiving temperature information of the temperature measuring piece (2), and the signal transmitter (33) is used for transmitting control information and temperature alarm information of the control valve (5).
8. The device for regulating the temperature of lubricating oil according to claim 1, characterized in that it further comprises a second fixed part (8), said second fixed part (8) being fixedly connected to said cooler (4).
9. The lubricating oil temperature adjusting apparatus according to claim 8, wherein the second fixing member (8) has a third mounting hole (81), a fourth mounting hole (82), and a plurality of fifth mounting holes (83);
the third mounting holes (81) and the fourth mounting holes (82) are arranged at intervals, and the fifth mounting holes (83) are annularly arranged on the periphery of the second fixing piece (8).
10. An engine bench test system, characterized in that the system comprises a lubricating oil temperature regulating device according to any one of claims 1-9 and an engine, wherein the engine is connected to the first fixture (1).
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| CN202211007568.7A CN115390595B (en) | 2022-08-22 | 2022-08-22 | Lubricating oil temperature adjusting device and engine bench test system |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008133968A (en) * | 2005-03-09 | 2008-06-12 | Matsushita Electric Ind Co Ltd | Refrigerating cycle device |
| CN201233315Y (en) * | 2008-07-25 | 2009-05-06 | 中国汽车工程研究院有限公司 | Engine depth cold-hot impact test system |
| JP2010007963A (en) * | 2008-06-26 | 2010-01-14 | Orion Mach Co Ltd | Temperature controller |
| CN103195536A (en) * | 2013-03-30 | 2013-07-10 | 长城汽车股份有限公司 | Engine oil outer cooling and circulating system of engine |
| CN207279240U (en) * | 2017-10-20 | 2018-04-27 | 荏原冷热系统（中国）有限公司 | A kind of heat pump unit and its lubricating oil cooling system |
| CN208537162U (en) * | 2018-06-13 | 2019-02-22 | 中国第一汽车股份有限公司 | A kind of speed changer rack oil temperature stability test simulation real vehicle refrigerant control |
| CN109387371A (en) * | 2018-10-17 | 2019-02-26 | 奇瑞汽车股份有限公司 | Engine valve mechanism test bench |
| CN109826687A (en) * | 2019-04-08 | 2019-05-31 | 清华大学苏州汽车研究院（吴江） | A kind of lubricating oil temperature control system and method for engine rig test |
| CN209324621U (en) * | 2018-09-26 | 2019-08-30 | 神钢压缩机制造(上海)有限公司 | A kind of air compression plant |
| CN210122934U (en) * | 2019-06-28 | 2020-03-03 | 潍柴重机股份有限公司 | Supercharged gas temperature adjusting device |
| CN113530635A (en) * | 2021-08-25 | 2021-10-22 | 中国第一汽车股份有限公司 | Engine cooling system and car |
| CN113942359A (en) * | 2020-07-16 | 2022-01-18 | 上海汽车集团股份有限公司 | Vehicle air conditioner waste heat utilization method and system |
| CN216811863U (en) * | 2021-12-29 | 2022-06-24 | 潍柴动力股份有限公司 | Engine cooling system and engine |
-
2022
- 2022-08-22 CN CN202211007568.7A patent/CN115390595B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008133968A (en) * | 2005-03-09 | 2008-06-12 | Matsushita Electric Ind Co Ltd | Refrigerating cycle device |
| JP2010007963A (en) * | 2008-06-26 | 2010-01-14 | Orion Mach Co Ltd | Temperature controller |
| CN201233315Y (en) * | 2008-07-25 | 2009-05-06 | 中国汽车工程研究院有限公司 | Engine depth cold-hot impact test system |
| CN103195536A (en) * | 2013-03-30 | 2013-07-10 | 长城汽车股份有限公司 | Engine oil outer cooling and circulating system of engine |
| CN207279240U (en) * | 2017-10-20 | 2018-04-27 | 荏原冷热系统（中国）有限公司 | A kind of heat pump unit and its lubricating oil cooling system |
| CN208537162U (en) * | 2018-06-13 | 2019-02-22 | 中国第一汽车股份有限公司 | A kind of speed changer rack oil temperature stability test simulation real vehicle refrigerant control |
| CN209324621U (en) * | 2018-09-26 | 2019-08-30 | 神钢压缩机制造(上海)有限公司 | A kind of air compression plant |
| CN109387371A (en) * | 2018-10-17 | 2019-02-26 | 奇瑞汽车股份有限公司 | Engine valve mechanism test bench |
| CN109826687A (en) * | 2019-04-08 | 2019-05-31 | 清华大学苏州汽车研究院（吴江） | A kind of lubricating oil temperature control system and method for engine rig test |
| CN210122934U (en) * | 2019-06-28 | 2020-03-03 | 潍柴重机股份有限公司 | Supercharged gas temperature adjusting device |
| CN113942359A (en) * | 2020-07-16 | 2022-01-18 | 上海汽车集团股份有限公司 | Vehicle air conditioner waste heat utilization method and system |
| CN113530635A (en) * | 2021-08-25 | 2021-10-22 | 中国第一汽车股份有限公司 | Engine cooling system and car |
| CN216811863U (en) * | 2021-12-29 | 2022-06-24 | 潍柴动力股份有限公司 | Engine cooling system and engine |
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|---|---|
| CN115390595B (en) | 2023-06-27 |
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