CN2864632Y - Machine oil temperature measuring tool - Google Patents
Machine oil temperature measuring tool Download PDFInfo
- Publication number
- CN2864632Y CN2864632Y CN200520114635.0U CN200520114635U CN2864632Y CN 2864632 Y CN2864632 Y CN 2864632Y CN 200520114635 U CN200520114635 U CN 200520114635U CN 2864632 Y CN2864632 Y CN 2864632Y
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- oil temperature
- oil
- temperature sensor
- survey instrument
- metal hose
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Abstract
The utility model relates a machine oil temperature measuring tool, consisting of: a temperature sensor core; a thin soft wire, connected to said temperature sensor core; a metal tube, coating on the temperature sensor core and the thin soft wire, the temperature sensor core is located at one end of the metal tube; a sealing device, coated on the metal tube; and a cable socket, connected to the metal tube and located at the other end of the thin soft wire. Said utility model has the advantages of easy assembly and disassembly, high resistance to vibration, long service life, adjustable length and free of discharging the oil when changing, and free of pollution.
Description
Technical field
The utility model relates to a kind of oil temperature survey instrument, particularly relates to a kind of oil temperature sensor.
Background technology
In engine test, the same cooling water temperature of oil temperature, delivery temperature and fuel oil temperature are the same, are the requisite important parameters of engine.If oil temperature is higher than normal working temperature, engine oil is easier to the oxidation retrogradation, causes the piston carbon distribution, and makes machine oil produce sediment, quickens machine oil and wears out, and easily makes component wear.Therefore the maintainer in time obtains and monitors the powerful guarantee that those data are normal working of engine.
Because the measurement point of oil temperature is in the oil sump of engine bottom, so existing machine oil sensor is installed in the bottom of engine sump tank usually, this insertion position is near the huge crankshaft-link rod parts of torsional oscillation, therefore common temperature sensor bears and does not live powerful vibration, life-span is extremely short, often has only 30～50 hours.And when changing since the temperature of engine sump tank about 100 ℃, for safety, the cooling that need kill engine, health is squatted down and is emitted machine oil, more emat sensor.The process of waiting for the machine oil cooling is very slow, and therefore whole replacing process need just can be finished in 40 minutes.In a single day test period prolongs, and personnel's labour intensity will strengthen, thereby has reduced work efficiency, has increased experimentation cost.Particularly in the engine delivery test, owing to engine quantity is big, dismounting is frequent, and needs shutdown wait time enough to determine that oil temperature descends to guarantee safety, and the inconvenience of its operation highlights day by day.Therefore be badly in need of under the constant prerequisite of measurement point, it is strong to invent a kind of novel long-lived shock resistance, changes oil temperature sensor fast and easily.
Summary of the invention
Technical problem underlying to be solved in the utility model is, a kind of new oil temperature sensor is provided, and makes easy to loading and unloadingly, and serviceable life is longer, significantly reduces use cost.
To achieve these goals, the utility model provides a kind of oil temperature survey instrument, comprising:
One temperature sensor core; One soft lead links to each other with this temperature sensor core; One metal hose, bag invests temperature sensor core and soft lead outside, and this temperature sensor core is positioned at an end of this metal hose; One packoff is socketed on this metal hose; And a cable socket, link to each other with this metal hose, be positioned at the other end of this metal hose and be connected with this jewelry, expensive clothing and other valuables lead.
Described this temperature sensor core is a sheet platinum resistance thermometer sensor, core.
Described should the jewelry, expensive clothing and other valuables lead be the ultra-fine heatproof lead of a pt100 platinum resistance thermometer sensor.
Described this metal hose is automobile-used steel wire backguy outer tube.
Described this cable socket is one to have the small-sized aviation socket of binding thread.
Described this metal hose inside, temperature sensor core one end also are provided with one deck sealing silica gel.
Described sealing device is provided with a plurality of oil scale O-ring seals,
Described oil temperature survey instrument also comprises a length adjustable sensor holder, is socketed on this metal hose, between cable socket and packoff.
Described this length adjustable sensor holder comprises that one inserts the length positioning socket, and it is provided with one and inserts the length adjustment button.
Advantage of the present utility model is easy to loading and unloading quick, the strong long service life of shock resistance, and its adjustable length need not during replacing to drain the oil, and is pollution-free.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the synoptic diagram of oil temperature survey instrument;
Fig. 2 inserts the length adjustment synoptic diagram for the oil temperature survey instrument.
Wherein, Reference numeral:
200 oil temperature sensor, the 201 microminiature platinum resistance thermometer sensor, cores of popping one's head in
The soft lead 203 sealing silica gel of 202 high-temperature insulation materials
204 elasticity steel wire outer tubes 206 insert the length positioning socket
207 insert length adjustment button 208 packoffs
209 installation sides seat 210 cable sockets
211 probe extension bodies, 212 springs
483,491,493 oil scale O-ring seals
Embodiment
Molar construct of the present utility model is, designs a new oil temperature survey instrument, and main body is an oil temperature sensor.It is shaped as elongate, can be directly inserts from the oil scale hole of engine, as cooperating then can the measuring machine oil temperature can also check up Engine oil the simultaneously height of liquid level of Displaying Meter.
The concrete structure of this new oil temperature survey instrument sees also Fig. 1.The DIE Temperature sensor core of sensor is a microminiature platinum resistance thermometer sensor, core 201, and it is positioned at probe 200 inside of oil temperature sensor.The principle of work of platinum resistance thermometer sensor, parts is that the resistance value of resistive platinum wire changes with variation of temperature, therefore can be used for measuring the temperature in-200～450 ℃ of scopes, it is stable to have electric property, precision is higher, volume is little, shock resistance is strong, and temperature and resistance relation are bordering on linear advantage, thereby can be applicable to exact temperature measurement and control.What this microminiature platinum resistance thermometer sensor, core adopted herein is microminiature sheet platinum resistance thermometer sensor,, and its bodily form is very small and exquisite, and the temperature-sensitive sensitivity.Use these parts and greatly reduce the probe external diameter, thereby guarantee that sensor can directly insert from the oil scale hole.
This microminiature platinum resistance thermometer sensor, core 201 links to each other with the soft lead 202 of a high-temperature insulation material, to transmit temperature signal.The soft lead 202 of this high-temperature insulation material runs through and is arranged in probe 200 and the probe extension body 211, be connected to follow-up aviation socket 210 places always, what this lead was selected for use herein is the ultra-fine heatproof lead of small-sized pt100 platinum resistance thermometer sensor,, and diameter is little, is convenient to be installed in the thin sleeve pipe of its outside.
Because this oil temperature sensor need be inserted in the sump, probe 200 need work under the higher temperature, therefore 200 ends of promptly popping one's head in the soft lead 202 of part high-temperature insulation material and the periphery of this microminiature platinum resistance thermometer sensor, core 201 have also wrapped one deck sealing silica gel 203 attached.The good heat-transfer of silica gel, chemical property is stable, and mechanical elasticity is good and be the insulating material of insulation, waterproof, shockproof, high pressure resistant and high-low temperature resistant, so can provide for the temperature sensing part of its inside to try hard to keep and protect.
Most external at whole probe 200 and probe extension body 211 also is provided with one deck elasticity steel wire outer tube 204.This sleeve pipe must be soft moderate and high temperature resistant as the protective casing of platinum resistance thermometer sensor.Thereby the utility model selected the automobile-used steel wire backguy outer tube of 5 millimeters of diameters for use, and its pliability suitably is convenient to insert in the oil scale sleeve pipe.
As seen, this oil temperature sensor shock resistance under protection layer by layer is stronger, can bear high temperature, can be operated among the rugged environment.
In order to be applicable to the engine of multiple model, the insertion length of this oil temperature sensor must be adjustable, so the utility model has also designed the length adjustable sensor holder in order to adjust the spread length of probe extension body.As shown in Figure 2, this sensor holder comprises that one inserts a length positioning socket 206 and an insertion length adjustment button 207.Button 207 presents the column shape, inserts in the hollow cube shape socket 206, and the top comprises that half ball part is convenient to push.This probe extension body 211 runs through insertion length positioning socket 206 and this insertion length adjustment button 207 of this cubic.And button 207 bottoms and socket 206 joints are provided with a spring 212, and the socket bottom surface also is provided with a groove and is used for fixing this spring.Because the effect of spring, button 207 moves up, and then elasticity steel wire outer tube 204 is subjected to button 207 and socket 206 rightabout strength and is fixed in a certain position.Need to regulate when inserting length, and pin button 207 compression springs 212, then button 207 can overlap with the elasticity steel wire outer tube patchhole center line of socket 206, with outer tube 204 surfaces the gap has been arranged, thereby twitches the position of adjusting outer tube 204.That is to say that socket 206 can slide on outer tube, arbitrarily adjust the length of probe extension body 211, make probe can be deep into the bottom of engine sump tank, thereby obtain oil temperature data accurately.Because oil temperature sensor is to insert in engine oil scaleplate pipe the machine oil, and this insertion length positioning socket 206 is stayed outside the engine oil scaleplate pipe, for preventing that the crankcase mist of oil from spraying from seam crossing, then be socketed with packoff 208 at probe extension body 211 and the joint that inserts length positioning socket 206.Be provided with oil scale O-ring seal 483,491,493 thereon, this device can guarantee that oil temperature sensor closely inserts engine oil scaleplate pipe, avoids leaking with the position and moves.Certainly, simplify manufacture process as desire, or only be applied to the engine of a certain specific model, also can be set in a certain length-specific, then need not to be provided with this insertion length positioning socket 206 and this insertion length adjustment button 207, but need to keep a packoff and on a plurality of oil scale O-ring seals fix so that engages with engine oil scaleplate pipe.This length adjustment mode also can be the mode of multiple sliding socket such as spiral.
After this probe extension body 211 passes and inserts length positioning socket 206, be connected with installation side seat 209, then should be connected with a cable socket 210 again by installation side's seat 209, the soft lead of high-temperature insulation material of probe extension body 211 inside also is connected with this cable socket 210, makes electric signal be exported.What this cable socket 210 adopted is the small-sized aviation socket that has binding thread, can prevent to cause the measurement mistake because of the vibrations in the test process get loose.
Operation of the present utility model is very easy, when desiring the measuring machine oil temperature, because this new oil temperature sensor is elongate, can replace oil scale directly to insert from the oil scale intubate.Utilize a plurality of oil scale O-ring seals of insertion length positioning socket front end, can guarantee that interface connects closely, avoid simultaneously rocking or the leakage of machine oil mist of oil, guarantee the accurate of measurement data.Press insertion length adjustment button 207 and can adjust length, guarantee that probe 200 gos deep into the bottom of oil sump, arrive at original measurement point, its temperature is measured.The rear can show measured temperature value as parts such as the Displaying Meters that is connected.Unloading process is more simple after obtaining data, needn't shut down, and also change engine oil more only need directly be extracted this temperature sensor.Avoided as existing oil temperature sensor for guaranteeing that safety waits for the machine oil cooling, the situation that expends time in long occurs, and does not more drain the oil during emat sensor simultaneously and has also realized zero pollution to environment, environmental protection.The temperature sensor replacing time before improving needs 40 minutes, and it carries out once the thermometric replacing time and only needs 2 minutes and use novel temperature sensor, and for original 1/20, speed is accelerated greatly, has improved work efficiency.In addition, the utility model also can be realized second function, after promptly inserting the oil scale intubate and extracting, and can be according to the check up Engine oil height of liquid level of mark.
Again because the utility model has been used the resistant to elevated temperatures parts of a large amount of antidetonations, as microminiature sheet platinum resistance thermometer sensor,, heatproof lead, sealing silica gel etc., make working in the rugged environment that the utility model can be for a long time stable, greatly prolong than existing product serviceable life, can reach 600 hours, then turnover rate reduces, thereby has reduced job costs.Owing to existing its life-span of oil temperature sensor has only 30～50 hours, minimum 12 oil temperature sensor of replacing that need of working time that therefore add up 600 hours.With reference to market price, on average need 1920 yuan of costs.And the new oil temperature sensor after the employing improvement, working only consumed 1 temperature sensor in 600 hours, 80 yuan of cost costs.As seen the advantage of the utility model aspect cost savings is fairly obvious.
In view of above advantage, quick-mounting is multiple soon when more reengining to use oil temperature sensor of the present utility model, and the engine that is specially adapted to the test period weak point also is an indispensable survey instrument in the various engine tests simultaneously in dispatching from the factory and testting.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (9)
1, a kind of oil temperature survey instrument is characterized in that, comprising:
One temperature sensor core;
One soft lead links to each other with this temperature sensor core;
One metal hose, bag invests temperature sensor core and soft lead outside, and this temperature sensor core is positioned at an end of this metal hose;
One packoff is socketed on this metal hose; And
One cable socket links to each other with this metal hose, is positioned at the other end of this metal hose and is connected with this jewelry, expensive clothing and other valuables lead.
2, oil temperature survey instrument as claimed in claim 1 is characterized in that, this temperature sensor core is a sheet platinum resistance thermometer sensor, core.
3, oil temperature survey instrument as claimed in claim 1 is characterized in that, this jewelry, expensive clothing and other valuables lead is the ultra-fine heatproof lead of a pt100 platinum resistance thermometer sensor.
4, oil temperature survey instrument as claimed in claim 1 is characterized in that, this metal hose is automobile-used steel wire backguy outer tube.
5, oil temperature survey instrument as claimed in claim 1 is characterized in that, this cable socket is one to have the small-sized aviation socket of binding thread.
6, oil temperature survey instrument as claimed in claim 1 is characterized in that, this metal hose inside, and temperature sensor core one end also is provided with one deck sealing silica gel.
7, oil temperature survey instrument as claimed in claim 1 is characterized in that, the sealing device is provided with a plurality of oil scale O-ring seals,
8, oil temperature survey instrument as claimed in claim 1 is characterized in that, also comprises a length adjustable sensor holder, is socketed on this metal hose, between cable socket and packoff, is connected with the sealing device.
9, oil temperature survey instrument as claimed in claim 8 is characterized in that, this length adjustable sensor holder comprises that one inserts the length positioning socket, and it is provided with one and inserts the length adjustment button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520114635.0U CN2864632Y (en) | 2005-11-15 | 2005-11-15 | Machine oil temperature measuring tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520114635.0U CN2864632Y (en) | 2005-11-15 | 2005-11-15 | Machine oil temperature measuring tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2864632Y true CN2864632Y (en) | 2007-01-31 |
Family
ID=37677083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200520114635.0U Expired - Fee Related CN2864632Y (en) | 2005-11-15 | 2005-11-15 | Machine oil temperature measuring tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2864632Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912624A (en) * | 2015-06-25 | 2015-09-16 | 重庆长安汽车股份有限公司 | Apparatus of integrating engine machine oil sampling and machine oil temperature measuring |
| CN105606238A (en) * | 2015-11-24 | 2016-05-25 | 北京汽车研究总院有限公司 | Oil temperature sensor tool |
| CN109738007A (en) * | 2019-01-07 | 2019-05-10 | 上海恒济智能控制***有限公司 | A kind of multipoint mode signal detecting and measuring apparatus |
| CN113465776A (en) * | 2021-05-10 | 2021-10-01 | 深圳阿珂法先进科技有限公司 | Power equipment temperature sensor convenient to replace and monitoring method thereof |
-
2005
- 2005-11-15 CN CN200520114635.0U patent/CN2864632Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912624A (en) * | 2015-06-25 | 2015-09-16 | 重庆长安汽车股份有限公司 | Apparatus of integrating engine machine oil sampling and machine oil temperature measuring |
| CN105606238A (en) * | 2015-11-24 | 2016-05-25 | 北京汽车研究总院有限公司 | Oil temperature sensor tool |
| CN109738007A (en) * | 2019-01-07 | 2019-05-10 | 上海恒济智能控制***有限公司 | A kind of multipoint mode signal detecting and measuring apparatus |
| CN113465776A (en) * | 2021-05-10 | 2021-10-01 | 深圳阿珂法先进科技有限公司 | Power equipment temperature sensor convenient to replace and monitoring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BEIJING FOTON DAIMLER AUTOMOTIVE CO., LTD. Assignor: Beiqi Futian Automobile Co., Ltd. Contract record no.: 2012990000022 Denomination of utility model: Machine oil temperature measuring tool Granted publication date: 20070131 License type: Common License Record date: 20120118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070131 Termination date: 20141115 |
|
| EXPY | Termination of patent right or utility model |