CN220979732U - Oil sprayer detection device for cetane number tester - Google Patents
Oil sprayer detection device for cetane number tester Download PDFInfo
- Publication number
- CN220979732U CN220979732U CN202322939322.XU CN202322939322U CN220979732U CN 220979732 U CN220979732 U CN 220979732U CN 202322939322 U CN202322939322 U CN 202322939322U CN 220979732 U CN220979732 U CN 220979732U
- Authority
- CN
- China
- Prior art keywords
- spray pipe
- sliding
- fixedly connected
- magnet
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 title claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 74
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000000446 fuel Substances 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Catching Or Destruction (AREA)
Abstract
The utility model discloses a fuel injector detection device for a cetane number measuring machine, which relates to the technical field of fuel injector detection devices and comprises a first spray pipe, wherein one end of the first spray pipe is communicated with a second spray pipe, a bucket frame is fixedly connected to the inside of the first spray pipe, the bucket frame is positioned at one end of the first spray pipe, which is close to the second spray pipe, a support plate is fixedly connected to the inside of the first spray pipe, the support plate is positioned at one side, which is back to the second spray pipe, of the bucket frame, a square groove is formed in the support plate, a sliding bar is connected to the inside of the square groove in a sliding mode, and a sealing block is fixedly connected to one end, which is close to the bucket frame, of the sliding bar. This oil atomizer detection device for cetane number survey machine, the slide can drive the slide and slide in the spout inside, under second magnet and first magnet cooperation for first slider slides towards second slider direction, and the second spring contracts, and the second slider is to pressure sensor's extrusion dynamics grow, thereby detects whether to the oil spout in the cylinder volume.
Description
Technical Field
The utility model relates to the technical field of oil sprayer detection devices, in particular to an oil sprayer detection device for a cetane number measuring machine.
Background
Cetane number is an important indicator for measuring ignition performance of diesel in compression ignition engines. The higher the cetane number is, the better the ignition performance of the diesel oil, the shorter the flame-retarding period, the uniform the combustion and the stable the engine start. Low cetane number indicates difficult ignition, long flame-retardant period, and rough engine working state. However, too high cetane number will also produce a small amount of black smoke emission due to partial incomplete combustion.
The existing cetane number measuring machine does not detect whether the fuel injector sprays fuel or not, and errors of detection data are easy to cause when the measuring machine breaks down.
Therefore, it is necessary to provide a fuel injector detection device for a cetane number measuring machine to solve the above-mentioned problems.
Disclosure of utility model
The utility model aims to provide a fuel injector detection device for a cetane number measuring machine, which aims to solve the problems that whether the fuel injector is injected by the conventional cetane number measuring machine is not detected in the background technology, and errors of detection data are easy to cause when the measuring machine fails.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cetane number is sprayer detection device for survey machine, includes first spray tube, the one end intercommunication of first spray tube has the second spray tube, the inside fixedly connected with bucket frame of first spray tube, the bucket frame is located the one end that first spray tube is close to the second spray tube, the inside fixedly connected with extension board of first spray tube, the extension board is located the one side that bucket frame was facing away from the second spray tube, square groove has been seted up to the inside of extension board, the inside sliding connection of square groove has the draw runner, the one end fixedly connected with sealing block that the draw runner is close to the bucket frame, sealing block cooperates with the bucket frame, the outside cover of draw runner is equipped with first spring, the one end fixedly connected with of first spring is on the extension board, the other end fixedly connected with of first spring is on the sealing block, the outside of first spray tube is provided with the detection subassembly, the inside of first spray tube is provided with control assembly.
Preferably, the length and width of the second spray pipe are smaller than the length and width of the first spray pipe.
Preferably, the control assembly comprises a sliding plate, a sliding groove and a first magnet, wherein the sliding groove is formed in the inner wall of the first spray pipe, one end of the sliding plate is fixedly connected to the sliding strip, the other end of the sliding plate is slidably connected to the sliding groove, and the first magnet is fixedly embedded in one end of the sliding plate, which is located in the sliding groove.
Preferably, the detection assembly comprises a square box, a first sliding block, a second magnet, a second spring and a second sliding block, wherein the square box is fixedly connected to the outer wall of the first spray pipe, the square box and the sliding groove are correspondingly distributed, the first sliding block is slidingly connected to the inside of the square box, the second magnet is fixedly inlaid on one surface of the first sliding block, facing the sliding plate, of the first sliding block, the second magnet is matched with the first magnet, the second sliding block is slidingly connected to the inside of the square box, one end of the second spring is fixedly connected to the first sliding block, and the other end of the second spring is fixedly connected to the second sliding block.
Preferably, the detection assembly further comprises a pressure sensor, the pressure sensor is fixedly connected to one surface, opposite to the second spring, of the second sliding block, and one end, far away from the second sliding block, of the pressure sensor is abutted to the inner wall of the square box.
The utility model has the technical effects and advantages that:
1. The high-pressure oil pump sprays oil into the cylinder volume through the oil sprayer, the second spray pipe and the first spray pipe, when the oil is sprayed into the first spray pipe from the second spray pipe, the sealing block is pushed to slide towards the cylinder volume, a gap appears between the sealing block and the bucket frame, meanwhile, the sliding bar can drive the sliding plate to slide in the sliding groove, under the cooperation of the second magnet and the first magnet, the first sliding block slides towards the second sliding block, the second spring is contracted, the extrusion force of the second sliding block to the pressure sensor is increased, and therefore whether the oil is sprayed into the cylinder volume is detected;
2. After the oil injection is finished, the reset elastic force of the first spring drives the sealing block to reset, so that the bucket frame is sealed, and the occurrence of dripping is prevented.
Drawings
FIG. 1 is a schematic diagram showing the structure of a fuel injector detecting device for a cetane number measuring machine according to the present utility model.
FIG. 2 is a schematic diagram showing a cross-sectional structure of a fuel injector detecting device for a cetane number measuring machine according to the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
In the figure: 1. a first nozzle; 2. a second nozzle; 3. a bucket frame; 4. a sealing block; 5. a slide bar; 6. a support plate; 7. a square groove; 8. a first spring; 9. a slide plate; 10. a chute; 11. a square box; 12. a first slider; 13. a first magnet; 14. a second magnet; 15. a second spring; 16. a second slider; 17. a pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present utility model will be made clear below in conjunction with the drawings in the embodiments of the present utility model; it will be apparent that the embodiments described are only some, but not all, of the embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an oil sprayer detection device for a cetane number measuring machine, which is shown in figures 1-3, and comprises a first spray pipe 1, wherein one end of the first spray pipe 1 is communicated with a second spray pipe 2. In specific use, one end of the second spray pipe 2 far away from the first spray pipe 1 is communicated with an oil nozzle of the oil sprayer, and one end of the first spray pipe 1 far away from the second spray pipe 2 is communicated with a cylinder volume; in addition, during operation, the electronic control unit of the cetane number measuring machine controls the opening and closing of the needle valve on the oil nozzle of the oil sprayer through an electronic pulse signal so as to spray the detected oil into the combustion chamber of the cylinder volume in the optimal oil spraying time, oil spraying quantity and oil spraying rate, and meanwhile, the high-pressure oil pump and other structures are matched for use, and the measuring machine and the working principle are common in the prior art and are not repeated herein.
The inside fixedly connected with bucket frame 3 of first spray tube 1, bucket frame 3 is located the one end that first spray tube 1 is close to second spray tube 2. The inside fixedly connected with extension board 6 of first spray tube 1, extension board 6 are located the one side that bucket frame 3 was facing away from second spray tube 2, and square groove 7 has been seted up to the inside of extension board 6, and the inside sliding connection of square groove 7 has draw runner 5, and draw runner 5 is close to bucket frame 3's one end fixedly connected with sealing block 4, sealing block 4 and bucket frame 3 cooperation. The outside cover of draw runner 5 is equipped with first spring 8, and the one end fixed connection of first spring 8 is on extension board 6, and the other end fixed connection of first spring 8 is on sealing block 4.
Specifically, when the needle valve on the oil nozzle is connected to the pulse signal of the electronic control unit and is opened, the high-pressure oil pump sprays oil into the cylinder volume through the oil sprayer, the second spray pipe 2 and the first spray pipe 1, and when the oil is sprayed to the first spray pipe 1 through the second spray pipe 2, the sealing block 4 is pushed to slide towards the cylinder volume direction, and a gap is formed between the sealing block 4 and the bucket frame 3. While the slide 5 slides inside the square groove 7 and stretches the first spring 8.
And after the oil injection is finished, the reset elastic force of the first spring 8 drives the sealing block 4 to reset, so that the bucket frame 3 is sealed, and the occurrence of dripping is prevented.
Considering that the structures such as the bucket frame 3 and the sealing block 4 are arranged in the first spray pipe 1, the instantaneous flow velocity can be influenced, the length and the width of the second spray pipe 2 are smaller than those of the first spray pipe 1, and the instantaneous flow velocity of oil in the second spray pipe 2 and the first spray pipe 1 is consistent.
The outside of first spray tube 1 is provided with detection component, and the inside of first spray tube 1 is provided with control assembly.
In particular, the control assembly comprises a slide 9, a chute 10 and a first magnet 13. The chute 10 is arranged on the inner wall of the first spray pipe 1. One end of the sliding plate 9 is fixedly connected to the sliding strip 5, and the other end of the sliding plate 9 is slidably connected to the sliding groove 10. The first magnet 13 is fixedly embedded on one end of the sliding plate 9 positioned inside the sliding groove 10.
When specifically arranged, the detection assembly comprises a square box 11, a first sliding block 12, a second magnet 14, a second spring 15 and a second sliding block 16. Square boxes 11 are fixedly connected to the outer wall of the first spray pipe 1, and the square boxes 11 are distributed corresponding to the sliding grooves 10. The first slider 12 is slidably connected in the square box 11, the second magnet 14 is fixedly embedded in one surface of the first slider 12 facing the sliding plate 9, the second magnet 14 is matched with the first magnet 13, the magnetism of the surface, close to the first magnet 13, of the second magnet 14 is opposite, and meanwhile, the first spray pipe 1 is made of a material which does not interfere with the magnetism. The second slider 16 is slidably connected to the inside of the square box 11, one end of the second spring 15 is fixedly connected to the first slider 12, and the other end of the second spring 15 is fixedly connected to the second slider 16.
The detection assembly further comprises a pressure sensor 17, and the pressure sensor 17 is fixedly connected to the side, facing away from the second spring 15, of the second slider 16. The end of the pressure sensor 17 away from the second slider 16 abuts against the inner wall of the square box 11. Specifically, a transmission module is provided for connecting the pressure sensor 17 and the mobile phone terminal, so that the numerical value of the pressure sensor 17 can be displayed in real time.
During operation, the high-pressure oil pump sprays oil into the cylinder volume through the oil sprayer, the second spray pipe 2 and the first spray pipe 1, and when oil is sprayed to the first spray pipe 1 by the second spray pipe 2, the sealing block 4 is pushed to slide towards the cylinder volume direction, gaps appear between the sealing block 4 and the bucket frame 3, meanwhile, the sliding strip 5 can drive the sliding plate 9 to slide inside the sliding groove 10, under the cooperation of the second magnet 14 and the first magnet 13, the first sliding block 12 slides towards the second sliding block 16 direction, the second spring 15 contracts, the extrusion force of the second sliding block 16 to the pressure sensor 17 is increased, and accordingly whether oil is sprayed into the cylinder volume is detected.
Claims (5)
1. The utility model provides a cetane number is sprayer detection device for survey machine, includes first spray tube (1), its characterized in that: the one end intercommunication of first spray tube (1) has second spray tube (2), the inside fixedly connected with bucket frame (3) of first spray tube (1), bucket frame (3) are located the one end that first spray tube (1) is close to second spray tube (2), the inside fixedly connected with extension board (6) of first spray tube (1), extension board (6) are located one side that bucket frame (3) was facing away from second spray tube (2), square groove (7) have been seted up to the inside of extension board (6), the inside sliding connection of square groove (7) has draw runner (5), the one end fixedly connected with sealing block (4) that draw runner (5) are close to bucket frame (3), sealing block (4) cooperate with bucket frame (3), the outside cover of draw runner (5) is equipped with first spring (8), the one end fixed connection of first spring (8) is on extension board (6), the other end fixed connection of first spring (8) is on sealing block (4), the outside that detects (1) is provided with first spray tube (1), the inside control assembly that is provided with.
2. The fuel injector detection device for a cetane number measurement machine according to claim 1, characterized in that: the length and the width of the second spray pipe (2) are smaller than those of the first spray pipe (1).
3. The fuel injector detection device for a cetane number measurement machine according to claim 1, characterized in that: the control assembly comprises a sliding plate (9), a sliding groove (10) and a first magnet (13), wherein the sliding groove (10) is formed in the inner wall of the first spray pipe (1), one end of the sliding plate (9) is fixedly connected to the sliding strip (5), the other end of the sliding plate (9) is slidably connected to the sliding groove (10), and the first magnet (13) is fixedly inlaid in one end of the sliding plate (9) located in the sliding groove (10).
4. A fuel injector detection device for a cetane number measurement machine according to claim 3, characterized in that: the detection assembly comprises a square box (11), a first sliding block (12), a second magnet (14), a second spring (15) and a second sliding block (16), wherein the square box (11) is fixedly connected to the outer wall of the first spray pipe (1), the square box (11) and the sliding groove (10) are correspondingly distributed, the first sliding block (12) is slidingly connected to the inside of the square box (11), the second magnet (14) is fixedly inlaid on one surface of the first sliding block (12) facing the sliding plate (9), the second magnet (14) is matched with the first magnet (13), the second sliding block (16) is slidingly connected to the inside of the square box (11), one end of the second spring (15) is fixedly connected to the first sliding block (12), and the other end of the second spring (15) is fixedly connected to the second sliding block (16).
5. The fuel injector detection device for a cetane number measurement machine according to claim 4, characterized in that: the detection assembly further comprises a pressure sensor (17), the pressure sensor (17) is fixedly connected to one surface, opposite to the second spring (15), of the second sliding block (16), and one end, far away from the second sliding block (16), of the pressure sensor (17) is abutted to the inner wall of the square box (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322939322.XU CN220979732U (en) | 2023-10-31 | 2023-10-31 | Oil sprayer detection device for cetane number tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322939322.XU CN220979732U (en) | 2023-10-31 | 2023-10-31 | Oil sprayer detection device for cetane number tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220979732U true CN220979732U (en) | 2024-05-17 |
Family
ID=91040981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322939322.XU Active CN220979732U (en) | 2023-10-31 | 2023-10-31 | Oil sprayer detection device for cetane number tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220979732U (en) |
-
2023
- 2023-10-31 CN CN202322939322.XU patent/CN220979732U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8973893B2 (en) | Method and device for determining the actual start of injection of a piezo fuel injection valve | |
| CN105003372B (en) | A kind of distributive value method for diagnosing faults based on the observation of rail pressure waveform feature parameter | |
| US7197918B2 (en) | Apparatus and method for evaluating fuel injectors | |
| US7254993B2 (en) | Device for measuring time-resolved volumetric flow processes | |
| JP6114301B2 (en) | Fuel injection feedback system and method | |
| CA2538984A1 (en) | Method of accurately metering a gaseous fuel that is injected directly into a combustion chamber of an internal combustion engine | |
| CN102705089B (en) | A kind of method and system based on the variation of rail pressure Signal analysis spray orifice flow | |
| CN103016231B (en) | Flow measuring method of restriction orifice in high-pressure common rail oil injector | |
| CN113153600B (en) | Oil injection law online measurement system suitable for multiple injection strategy of diesel engine fuel system and online measurement method thereof | |
| JP4272886B2 (en) | Method, computer program and apparatus for measuring the injection quantity of an injection system | |
| CN206221124U (en) | It is a kind of to investigate the instrument that common-rail injector high pressure reveals failure | |
| CN220979732U (en) | Oil sprayer detection device for cetane number tester | |
| CN105020076B (en) | The measurement apparatus and measuring method of electromagnetic type diesel injector injection duration | |
| Ikeda et al. | Measurement of the rate of multiple fuel injection with diesel fuel and DME | |
| JP4248218B2 (en) | Internal combustion engine drive method, computer program, open control and / or closed loop control device, and internal combustion engine | |
| CN113530737B (en) | Comprehensive testing method for performance of engine oil injector | |
| CN213270070U (en) | Single injection fault real-time monitoring device of electric control oil injector and common rail system test bed | |
| CN111577498B (en) | Common rail oil injector based on two-position three-way principle | |
| Schmidt et al. | Detection of cavitation in fuel injector nozzles | |
| JP5617517B2 (en) | Fuel pressure sensor diagnostic device | |
| US4553207A (en) | Method and apparatus for deriving fuel consumption data from a hydraulically driven fuel injector | |
| CN104728011A (en) | Pressure measuring device comprising oil spraying nozzle with pressure chamber | |
| JPH06307307A (en) | Multiple fuel injection device | |
| CN213775574U (en) | Methanol fuel injector structure | |
| CN210396936U (en) | Oil sprayer for direct injection engine in cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |