CN202403917U - Engine indirect heat-conducting type oil-feeding constant-temperature device - Google Patents
Engine indirect heat-conducting type oil-feeding constant-temperature device Download PDFInfo
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- CN202403917U CN202403917U CN 201120470318 CN201120470318U CN202403917U CN 202403917 U CN202403917 U CN 202403917U CN 201120470318 CN201120470318 CN 201120470318 CN 201120470318 U CN201120470318 U CN 201120470318U CN 202403917 U CN202403917 U CN 202403917U
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- circulation pipeline
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Abstract
The utility model discloses an engine indirect heat-conducting type oil-feeding constant-temperature device, comprising a first heat exchanger, a first medium circulation pipeline, and an engine oil circulation pipeline used for communicating with an oil inlet and an oil outlet of an engine; wherein, the first heat exchanger is provided with heat exchange pipelines which are respectively communicated with the engine oil circulation pipeline and the first medium circulation pipeline and are used for performing heat exchange mutually; the engine indirect heat-conducting type oil-feeding constant-temperature device also comprises a second heat exchanger and a second medium circulation pipeline, wherein, the second heat exchanger is provided with heat exchange pipelines which are respectively communicated with the first medium circulation pipeline and the second medium circulation pipeline and are used for performing heat exchange mutually; and the first medium circulation pipeline is provided with a heater used for heating a first medium. The engine indirect heat-conducting type oil-feeding constant-temperature device of the utility model preheats the engine oil in the first heat exchanger through hot propylene glycol, so as to achieve a warm-up state, then a test is performed, therefore, the engine indirect heat-conducting type oil-feeding constant-temperature device of the utility model can greatly shorten testing time of the engine.
Description
Technical field
The utility model relates to a kind of engine oil register.
Background technology
Rate of fuel consumption is one of most important index of engine, and engine is when making an experiment, and inlet oil temperature changes and will produce remarkable influence to the engine consumption rate; For correct engine evaluated rate of fuel consumption index, need carry out constant temperature to fuel oil, at present fuel oil is carried out thermostat such as the Chinese patent notification number is CN1996198B; The day for announcing is on June 16th, 2010, and name is called in ' a kind of improved engine test-bed engine oil constant-temperature control method and system ' instructions and discloses a kind of engine test-bed engine oil thermostatic control system, comprises refrigeratory; The inlet of refrigeratory is connected through the oil-out of in-line with the drain pan place of engine, and the outlet of refrigeratory is connected with the oil-in of engine through fuel-displaced pipeline, is disposed with egress filtering device, oil-out valve body, oil pump, oil-in valve body, inlet filter on the affiliated in-line; Oil-out on the refrigeratory is respectively arranged with the first fuel-displaced branch line and the second fuel-displaced pipeline, and first and second fuel-displaced pipeline is connected with in-line respectively, and the first fuel-displaced branch line is provided with valve body and the electric control valve that has temperature sensor; Second branch line is provided with valve body, and refrigeratory is provided with cooling water inlet and coolant outlet, and this prior art is simple cooled thermostat; But when in-engine oil temperature was low, engine was not easy to start, and this moment is when making an experiment to engine; It is long to play the machine time; Thereby once added test period, and engine had been caused damage easily, reduced the life-span of engine; When engine is freezed; This water-cooled mode is not high to control accuracy of temperature, and the machine oil normal operating range is 75-95 ℃, and limit range is 0-145 ℃; During generic media water refrigeration vaporization phenomenon can take place, can't at high temperature carry out machine oil is carried out heat interchange.
The utility model content
The purpose of the utility model is to provide the indirect heat-conducting oil-feed of a kind of engine thermostat, can shift to an earlier date warming-up, reduces the test period of engine.
For realizing above-mentioned purpose; The utility model adopts following technical scheme: the indirect heat-conducting oil-feed of a kind of engine thermostat; Comprise first heat exchanger, the first medium circulation pipeline, be used for the engine oil circulation line that is connected with the engine oil import and export; First heat exchanger be provided be communicated in respectively in the described engine oil circulation line with the said first medium circulation pipeline in, carry out the heat exchanging pipe of heat interchange each other; Also comprise second heat exchanger and the second medium circulation pipeline; Second heat exchanger be provided be communicated in respectively in the described first medium circulation pipeline with the said second medium circulation pipeline in, carry out the heat exchanging pipe of heat interchange each other, the described first medium circulation pipeline is provided with the well heater that is used for to the heating of first medium.
The engine oil circulation line be provided be used to measure engine into and out of hydraulic fluid port oil temperature into and out of the oil temperature sensor, described well heater is provided with the first medium temperature sensor.
The engine oil circulation line is provided with T-valve, and one of them outlet of T-valve links to each other with first heat exchanger, and another outlet of T-valve is used for linking to each other with the oil-in of engine.
Described engine oil circulation line is included in the transfer pipeline of getting oil circuit setting on oil pipe line and the T-valve of oil circuit setting under the T-valve; The described oil pipe line of getting is included under the T-valve oil circuit and is connected with that the main oil gallery of putting is got oil pipe line and drain pan is got oil pipe line; Described main oil gallery is got oil pipe line and is provided with and gets fuel tap, and described drain pan is got oil pipe line and is provided with oil pump.
The engine oil circulation line be provided be used to control engine into and out of the engine of oil into and out of fuel tap be used to annotate the pouring orifice of engine oil, the oiling exhausr port of exhaust when being used for oiling.
Described drain pan is got oil pipe line and is provided with end oil into and out of fuel tap.
The described first medium circulation pipeline also is provided with the filler and the first medium exhausr port that is used to inject first medium, automatic exhaust steam valve, and the ebullator that is used for first medium circulation.
Described well heater comprises the first medium liquid reserve tank that is communicated with setting on the first medium circulation pipeline; Be provided with heater strip in the first medium liquid reserve tank; Be provided with float switch in the first medium liquid reserve tank; Described filler is through being arranged on the first medium liquid reserve tank, and is arranged on the first medium circulation pipeline.
The described second medium circulation pipeline is provided with second medium into and out of valve, and two logical switch valves.
Be connected with blowoff line on the described engine oil circulation line, blowoff line is provided with blowoff valve, and described first medium is a propylene glycol, and described second medium is a water.
The indirect heat-conducting oil-feed of a kind of engine thermostat of the utility model through injecting certain engine oil in advance by pouring orifice, is heated first medium by well heater; First medium carries out preheating to the engine oil that injects in advance in first heat exchanger, make engine reach warm-up mode, is making an experiment; Shortened the test period of engine greatly; Carry out heat interchange with first medium in second medium, second heat exchanger, control the temperature of first medium, first medium is lowered the temperature; First medium cools off engine oil through first heat exchanger, has also realized in test the cooling to engine oil.
Further, main oil gallery is got oil circuit and oil sump and is got oil circuit and both can get oil from the main oil gallery of engine, also can get oil from the drain pan of engine.
Further, be provided with blowoff valve, can be in oily variation or the time spent realizes that blowdown empties function for a long time.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the utility model.
Embodiment
The embodiment of the indirect heat-conducting oil-feed of a kind of engine thermostat; As shown in Figure 1; Comprise being used to be arranged on engine into and out of the engine inlet valve 3 of oil port, delivery valve 6, first heat exchanger 1, second interchanger 20, the inflow point of engine inlet valve 3 is equipped with oil outlet temperature sensor 4, and the exit of engine delivery valve 6 is provided with inlet oil temperature sensor 8; Engine is communicated with the engine oil circulation line into and out of hydraulic fluid port; The engine cycles pipeline is provided with T-valve 5, and one of them outlet on the T-valve 5 is connected with first heat exchanger 1, and another outlet is connected with engine inlet valve 3 through minute branch road; Described engine oil circulation line is included in the transfer pipeline 2 of getting oil circuit setting on oil pipe line and the T-valve of oil circuit setting under the T-valve; The described oil pipe line of getting comprises that the main oil gallery that is set up in parallel is got oil pipe line 7 and drain pan is got oil pipe line 10, and drain pan is got and is disposed with end oil inlet valve 101, oil pump 102 on the oil pipe line 10, end oil delivery valve 103; Main oil gallery is got oil pipe line 7 and is provided with main oil gallery and gets fuel tap 71; The connection of T-valve inflow point is provided with blowoff line 17, and blowoff line 17 is provided with blowoff valve 18, and the engine oil circulation line is provided with pouring orifice 72, oiling exhausr port 21; Pouring orifice 72 is provided with fuel feeding valve 73; Oiling exhausr port 21 is provided with and is provided with the first medium circulation pipeline 30 that carries out heat interchange with engine oil between oiling vent valve 22, the first heat exchangers 1 and second heat exchanger 20, and described first medium is a propylene glycol; First heat exchanger be provided be communicated in respectively in the described engine oil circulation line with the said first medium circulation pipeline in, carry out the heat exchanging pipe of heat interchange each other; The first medium circulation pipeline 30 is provided with the well heater that is used for to first medium heating, and described well heater comprises being communicated with to be arranged in the first medium liquid reserve tank, 301, the first medium liquid reserve tanks 301 on the first medium circulation pipeline 30 and is provided with heater strip 302; Be provided with float switch 303 in the first medium liquid reserve tank 301; The first medium liquid reserve tank 301 is provided with and the first medium filler, 304, the first medium fillers, 304 places are set on the first medium temperature sensor, 15, the first medium liquid reserve tanks 301 are provided with the first medium fill valve 305; Also be provided with ebullator 308, automatic exhaust steam valve 309, the first medium exhausr port 307 on the first medium circulation pipeline 30; The first medium exhausr port, 307 places are provided with the first medium vent valve 309, and this device also comprises the second medium circulation pipeline 16 that carries out heat interchange with first medium, and described second medium is a water; Second heat exchanger be provided be communicated in respectively in the described first medium circulation pipeline with the said second medium circulation pipeline in, carry out the heat exchanging pipe of heat interchange each other, the second medium circulation pipeline 16 is provided with that two logical switch valves 161, second medium advance valve 162, second medium goes out valve 163.
Present embodiment is the course of work in use:
Oiling exhaust before the test: kill engine into and out of fuel tap; Open main oil gallery and get fuel tap, end oil, open the fuel feeding valve at pouring orifice place and the oiling vent valve of oiling exhaust ports, from the required machine oil of pouring orifice filling test into and out of fuel tap; Air in the oil circuit is discharged through exhausr port; When exhausr port is fuel-displaced, annotating finishes, and closes fuel feeding valve and oiling vent valve, opens engine into and out of fuel tap.
Oily mode is got in selection: if get oil from oil sump, need first formation testing pump to turn to, through to AC380V power supply phase line traffic control, transfer to correct rotating speed, oil and is got the aperture size of fuel tap, oil pressure size in the adjustment oil circuit through regulating main oil gallery into and out of fuel tap at the bottom of the standard-sized sheet; If get oil from the engine main oil gallery, need to cut off the oil pump power supply, oil is into and out of fuel tap at the bottom of the complete shut-down; The standard-sized sheet main oil gallery is got fuel tap, pulls down the oil filter of engine, and the self-control adapter is drawn main oil gallery machine oil to this device; Through distributing rationally of pipeline; Reduce the pressure loss to greatest extent, the observed pressure loss is lower than 50KPa, satisfies the engine test requirement.
Filling heat-conducting medium before the test: open the valve body at propylene glycol filler, propylene glycol exhausr port two places, the pure liquid of filling propylene glycol is noted handling safety during filling; Filling finishes during to the exhausr port trickle; Close the valve body of propylene glycol filler, propylene glycol exhaust ports, open well heater and ebullator, heating medium is to test temperature required (being the setting value of propylene glycol temperature sensor); Stop heating, pilot engine.
Whether cooling is judged: open water intaking valve and outlet valve, behind the logical chilled water of chilled water circulation line, starting engine stops preheating after the oil outlet temperature sensor reaches setting value; Open two logical switch valves of chilled water, the cooling propylene glycol by inlet oil temperature sensor acquisition temperature, calculates and output 4-20mA signal through PLC; Control threeway ratio adjusting valve, when the oily temperature of actual measurement was lower than setting value, machine oil flowed directly into engine without heat interchanger; Accelerated warming, when the oily temperature of actual measurement was higher than setting value, part machine oil was through first cools down; Three-way control valve judges that through the temperature difference flow of the oil of equal proportion adjusting cooling and the oil of high temperature is realized accurate temperature controlling; Stable performance, switch speed is fast, and actual measurement stablizes control accuracy and can reach ± and 0.5 ℃.
The propylene glycol temperature raises in the propylene glycol circulation line, and when causing pressure higher, automatic exhaust steam valve is opened, and exclusive segment gas with steady pressure, guarantees the normal sealing flow circuit of pipeline.
More during change engine oil, open engine and advance, locate fuel tap and blowoff valve, the machine oil in this device is drained.
Self temperature range limit of the propylene glycol in this device is being realized-40 ℃ to 180 ℃; Oil preheating temperature and cryogenic temperature are arranged in 0～140 ℃; Satisfy all test temperature scopes of available engine fully; Realize refrigeration, two kinds of functions of preheating, and propylene glycol is disposable joins in this device, need not often to get rid of to store.
In other embodiment, pouring orifice and oiling exhausr port can also be set, on the engine oil circulation line, leave a certain amount of oil in use at every turn and get final product.
In other embodiment, the described oil system of getting can also be for being arranged on the oil pipe line of getting between T-valve import and the engine delivery valve, and the described oil pipe line of getting is provided with oil pump, and oil is into and out of fuel tap at the end.
In other embodiment, blowoff line can also be set, directly get final product when needing to get rid of fluid through the engine discharge.
In other embodiment, well heater can also be for being wrapped in the heating tube on the pipeline.
In other embodiment, described first medium or second medium can also be used cold-producing medium R600a for refrigerator.
Claims (10)
1. the indirect heat-conducting oil-feed of engine thermostat; Comprise first heat exchanger, the first medium circulation pipeline, be used for the engine oil circulation line that is connected with the engine oil import and export; First heat exchanger be provided be communicated in respectively in the described engine oil circulation line with the said first medium circulation pipeline in, carry out the heat exchanging pipe of heat interchange each other; It is characterized in that; Also comprise second heat exchanger and the second medium circulation pipeline; Second heat exchanger be provided be communicated in respectively in the described first medium circulation pipeline with the said second medium circulation pipeline in, carry out the heat exchanging pipe of heat interchange each other, the described first medium circulation pipeline is provided with the well heater that is used for to the heating of first medium.
2. the indirect heat-conducting oil-feed of engine according to claim 1 thermostat; It is characterized in that; The engine oil circulation line be provided be used to measure engine into and out of hydraulic fluid port oil temperature into and out of the oil temperature sensor, described well heater is provided with the first medium temperature sensor.
3. the indirect heat-conducting oil-feed of engine according to claim 2 thermostat; It is characterized in that; The engine oil circulation line is provided with T-valve, and one of them outlet of T-valve links to each other with first heat exchanger, and another outlet of T-valve is used for linking to each other with the oil-in of engine.
4. according to claim 1 or the indirect heat-conducting oil-feed of 2 or 3 described engines thermostat; It is characterized in that; Described engine oil circulation line is included in the transfer pipeline of getting oil circuit setting on oil pipe line and the T-valve of oil circuit setting under the T-valve; The described oil pipe line of getting is included under the T-valve oil circuit and is connected with that the main oil gallery of putting is got oil pipe line and drain pan is got oil pipe line, and described main oil gallery is got oil pipe line and is provided with and gets fuel tap, and described drain pan is got oil pipe line and is provided with oil pump.
5. the indirect heat-conducting oil-feed of engine according to claim 4 thermostat; It is characterized in that, the engine oil circulation line be provided be used to control engine into and out of the engine of oil into and out of fuel tap be used to annotate the pouring orifice of engine oil, the oiling exhausr port of exhaust when being used for oiling.
6. the indirect heat-conducting oil-feed of engine according to claim 4 thermostat is characterized in that described drain pan is got oil pipe line and is provided with end oil into and out of fuel tap.
7. the indirect heat-conducting oil-feed of engine according to claim 1 thermostat; It is characterized in that; The described first medium circulation pipeline also is provided with the filler and the first medium exhausr port that is used to inject first medium, automatic exhaust steam valve, and the ebullator that is used for first medium circulation.
8. the indirect heat-conducting machine oil of engine according to claim 1 thermostat; It is characterized in that; Described well heater comprises the first medium liquid reserve tank that is communicated with setting on the first medium circulation pipeline, is provided with heater strip in the first medium liquid reserve tank, is provided with float switch in the first medium liquid reserve tank; Described filler is through being arranged on the first medium liquid reserve tank, and is arranged on the first medium circulation pipeline.
9. the indirect heat-conducting oil-feed of engine according to claim 1 thermostat is characterized in that the described second medium circulation pipeline is provided with second medium into and out of valve, and two logical switch valves.
10. the indirect heat-conducting machine oil of engine according to claim 1 thermostat; It is characterized in that be connected with blowoff line on the described engine oil circulation line, blowoff line is provided with blowoff valve; Described first medium is a propylene glycol, and described second medium is a water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120470318 CN202403917U (en) | 2011-11-23 | 2011-11-23 | Engine indirect heat-conducting type oil-feeding constant-temperature device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120470318 CN202403917U (en) | 2011-11-23 | 2011-11-23 | Engine indirect heat-conducting type oil-feeding constant-temperature device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202403917U true CN202403917U (en) | 2012-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120470318 Withdrawn - After Issue CN202403917U (en) | 2011-11-23 | 2011-11-23 | Engine indirect heat-conducting type oil-feeding constant-temperature device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202403917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818703A (en) * | 2011-11-23 | 2012-12-12 | 凯迈(洛阳)机电有限公司 | Indirect heat conduction type inlet oil thermostat of engine |
| CN106997218A (en) * | 2017-05-19 | 2017-08-01 | 堀场仪器（上海）有限公司 | A kind of multi-temperature control system |
-
2011
- 2011-11-23 CN CN 201120470318 patent/CN202403917U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818703A (en) * | 2011-11-23 | 2012-12-12 | 凯迈(洛阳)机电有限公司 | Indirect heat conduction type inlet oil thermostat of engine |
| CN102818703B (en) * | 2011-11-23 | 2014-12-10 | 凯迈(洛阳)机电有限公司 | Indirect heat conduction type inlet oil thermostat of engine |
| CN106997218A (en) * | 2017-05-19 | 2017-08-01 | 堀场仪器（上海）有限公司 | A kind of multi-temperature control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120829 Effective date of abandoning: 20141210 |
|
| RGAV | Abandon patent right to avoid regrant |