CN201546861U - Testing system of electric control oil injector of diesel engine - Google Patents
Testing system of electric control oil injector of diesel engine Download PDFInfo
- Publication number
- CN201546861U CN201546861U CN2009202510766U CN200920251076U CN201546861U CN 201546861 U CN201546861 U CN 201546861U CN 2009202510766 U CN2009202510766 U CN 2009202510766U CN 200920251076 U CN200920251076 U CN 200920251076U CN 201546861 U CN201546861 U CN 201546861U
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Abstract
The utility model discloses a testing system of an electric control oil injector of a diesel engine, comprising an oil tank, an oil supply electronic pump and a high-pressure oil injection pump, a high-pressure protective device and an electric control oil injector; the high-pressure oil injection pump, the high-pressure protective device and the electric control oil injector are respectively connected with a high-pressure common-rail pipe by oil pipes; the high-pressure common-rail pipe is connected with a shock-resistant pressure gauge; the high-pressure oil injection pump is communicated with an oil injection pump testing platform which is used as a power source of a system; the pipeline between the high-pressure common-rail pipe and the high-pressure oil injection pump is provided with a pressure-stabilizing device; the oil pipe of the high-pressure common-rail pipe, toward the oil tank, is provided with a throttle pressure-adjusting device; the electric control oil injector is connected with an atomizing observation chamber or a flow measuring device of the oil injector; and the electric control oil injector is controlled by a single chip microcomputer control unit. The testing system connects the oil injection pump testing platform into the system, and is used as the power source of the system, thus greatly reducing the cost of the system and the space occupied by the equipment.
Description
Technical field
The utility model relates to a kind of oil sprayer test system, relates in particular to a kind of diesel engine electric-controlled oil ejector test system.
Background technique
After the diesel injection technology improved and develops, diesel-oil vehicle got the nod at wide geographic area, and its popularity rate is improved.The increasing of diesel-oil vehicle on the road impels maintenance industry to be rapidly developed.Maintenance and maintenance as the important component part Injection Pump and the oil sprayer of diesel oil oil-fired system then directly have influence on the working condition and the fuel-economizing degree of vehicle, and will effectively guarantee the maintenance and the maintenance of diesel oil oil-fired system, and the Injection Pump test system is a key point.The Injection Pump test system comprises machinery and automatically controlled two big series substantially, at present, existing electric-controlled fuel injector test system mostly is imported product greatly on the market, it costs an arm and a leg, oil sprayer test system as BOSCH Bosch product, its market price is usually surplus 20 ten thousand, the price of homemade electric-controlled fuel injector test system is at least also about 60,000, and all need the separate equipment installing space, expensive cost has limited test subscriber's use to a great extent, therefore, develop the low little electric-controlled fuel injector test system of equipment occupation space of cost in order to satisfy user's demand, to need badly.
The model utility content
Quite universal at the fuel injection pump tester that prior art is domestic, the utility model provides a kind of diesel engine electric-controlled oil ejector test system, existing fuel injection pump tester is connected in the native system, and originate as system dynamic, greatly reduce the shared space of system cost and equipment, at present, domestic fuel injection pump tester is quite universal, thereby make popularizing fast of electric-controlled fuel injector test become possibility, test performance of the present utility model is stable, can reach the index of homemade product of the same type, and structure is simpler than import and homemade product of the same type significantly.
In order to solve the problems of the technologies described above, the technological scheme that the utility model diesel engine electric-controlled oil ejector test system is achieved, comprise fuel tank, fuel feeding electronic pump and the high-pressure injection pump, high pressure protector and the electric-controlled fuel injector that are connected with the high-pressure common rail pipe by oil pipe respectively, be connected with an antivibration pressure gauge on the described high-pressure common rail pipe, described high-pressure injection pump links to each other with a fuel injection pump tester, and described fuel injection pump tester is as the power resources of system; Pipeline between described high-pressure common rail pipe and the high-pressure injection pump is provided with stable-pressure device, the oil pipe that described high-pressure common rail pipe leads to fuel tank is provided with the throttling regulator, described electric-controlled fuel injector is connected with an atomizing observation ward or an oil sprayer flow measuring device, and described electric-controlled fuel injector is by a Single-chip Controlling unit controls.
The utility model diesel engine electric-controlled oil ejector test system, wherein, described fuel injection quantity flow measuring device comprises atomizing gathering-device, recirculating oil quantity graduated cylinder and fuel injection quantity graduated cylinder.Described stable-pressure device comprises the cavity that is made of first sleeve that is tightly connected and second sleeve, described first sleeve is provided with filler opening, described second sleeve is provided with oil outlet, be provided with spring and a top pressing board in the described cavity, described top pressing board is between filler opening and spring, described top pressing board is provided with center hole, and the central position of described first sleeve, top pressing board and second sleeve forms a passage.Described stable-pressure device is provided with fixed structure.Spring number in the described cavity is three.Described throttling regulator adopts normal formula oil sprayer or adjustable oil sprayer.Described Single-chip Controlling unit adopts CR2000 high-pressure common rail test system.
Compared with prior art, the beneficial effect of the utility model diesel engine electric-controlled oil ejector test system is:
(1) since this test system be with existing fuel injection pump tester as power resources, the working space that the equipment that can reduce the cost and save is installed;
(2) design has stable-pressure device, this stable-pressure device to slow down the variation in pressure of high pressure fuel in the pressure duct flow process on the pressure duct of system, and the oil pressure that can guarantee to enter the high-pressure common rail pipe is stable.
Description of drawings
Fig. 1 is that the utility model diesel engine electric-controlled oil ejector test system flow measurement function constitutes sketch;
Fig. 2 is that the utility model diesel engine electric-controlled oil ejector test system atomizing overview function constitutes sketch;
Fig. 3-the 1st, stable-pressure device axial arrangement sectional view in the utility model test system;
Fig. 3-the 2nd, stable-pressure device sectional elevation shown in Fig. 3-1.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done to describe in further detail.
The utility model main parts size and specification specified:
1---fuel injection pump tester 2---coupling drive 3---Injection Pump
4---stable-pressure device 5---throttling regulator 6---antivibration pressure gauges
7---high pressure protector 8---common rail pipe 9---electric-controlled fuel injectors
10---Single-chip Controlling unit 11---atomizing observation ward 12---atomizing gathering-devices
13---recirculating oil quantity graduated cylinder 14---fuel injection quantity graduated cylinder 15---fuel tanks
16---the fuel feeding electronic pump
As depicted in figs. 1 and 2, the utility model diesel engine electric-controlled oil ejector test system, comprise fuel tank 15, fuel feeding electronic pump 16 and the high-pressure injection pump 3 that is connected with high-pressure common rail pipe 8 by oil pipe respectively, high pressure protector 7 and electric-controlled fuel injector 9, be connected with an antivibration pressure gauge 6 on the described high-pressure common rail pipe 8, described high-pressure injection pump 3 links to each other with a fuel injection pump tester 1, and described fuel injection pump tester 1 is as the power resources of system; Pipeline between described high-pressure common rail pipe 8 and the high-pressure injection pump 3 is provided with stable-pressure device 4, the oil pipe that described high-pressure common rail pipe 8 leads to fuel tank 15 is provided with throttling regulator 5, and described throttling regulator 5 adopts normal formula oil sprayer or adjustable oil sprayer.Described electric-controlled fuel injector 9 is by a Single-chip Controlling unit 10 controls, atomizing observation that will have according to native system and flow measurement function different, described electric-controlled fuel injector 9 is connected with an atomizing observation ward 11 or an oil sprayer flow measuring device, wherein, described fuel injection quantity flow measuring device comprises atomizing gathering-device 12, recirculating oil quantity graduated cylinder 13 and fuel injection quantity graduated cylinder 14.Shown in Fig. 3-1 and Fig. 3-2, stable-pressure device 4 in the utility model comprises the cavity that is made of first sleeve 42 that is tightly connected and second sleeve 47, described first sleeve 42 is provided with filler opening 41, described second sleeve 47 is provided with the oil discharge passage that is made of shoulder hole 46,48, its oil outlet 48, be provided with spring 45 and a top pressing board 44 in the described cavity, in order to guarantee voltage regulation result, spring 45 numbers in the described cavity are three.Described top pressing board 44 is between filler opening 41 and spring 45, described top pressing board 44 is provided with center hole 43, the central position of described first sleeve 42, top pressing board 44 and second sleeve 47 forms a passage, in order to install and fix described stable-pressure device 4, stable-pressure device 4 is provided with fixed structure, this fixed structure can adopt thread connector, that is, thread mill drilling 49 on the outer side wall of sleeve 42 is so that fixing.Described Single-chip Controlling unit 10 adopts CR2000 high-pressure common rail test system.
The utility model test system has following function:
(1) the utility model test system is to be power resources with fuel injection pump tester 1, drive high-pressure injection pump 3 and form high pressure fuel, voltage stabilizing and throttling action by stable-pressure device 4 and throttling regulator 5, make the pressure stability in the high-pressure common rail pipe 8, by the pressure in the rotating speed control high-pressure common rail pipe 8 of adjusting fuel injection pump tester 1, the unlatching of Single-chip Controlling unit 1 control oil sprayer 3, close and working procedure, final, realize measurement to the atomizing observation of oil sprayer or fuel injection quantity, recirculating oil quantity.
(2) formation of the utility model test system high pressure oil: supply fuel to after fuel feeding electronic pump 15 is opened in the high-pressure injection pump 3, start fuel injection pump tester 1, drive high-pressure injection pump 3 runnings, fuel oil is pressurized, high pressure fuel forms, and unnecessary fuel oil flows back to fuel tank 15 from return tube, and 5 have a small amount of fuel oil to release in the throttling high-pressure installation, and flow back to fuel tank 15.
(3) adjustment of the utility model test system oil pressure: adjust the oil pressure of high-pressure common rail pipe 8 inner high voltage oil by the rotating speed of fuel injection pump tester 1, wherein, throttle regulator 5 can integrally be controlled the height of rotating speed.
(4) the utility model test system has the high voltage protective function: when system's internal pressure surpassed 160MPa, high pressure protector 7 was opened automatically, and system's internal pressure descends.
(5) atomizing of the utility model test system is observed: after stable high voltage oil forms, set Single-chip Controlling unit 1 and open electric-controlled fuel injector 9, be i.e. this oil sprayer action and atomizing situation of observable.
(6) the utility model test system oil sprayer flow measurement: electric-controlled fuel injector 9 is inserted fuel injection quantity graduated cylinders 14, connects return tube, treat that high pressure oil forms after, set Single-chip Controlling unit 1 and open electric-controlled fuel injector 9, can carry out fuel injection quantity and measure.
(7) control that Single-chip Controlling unit 1 is realized electric-controlled fuel injector in the utility model: open electric-controlled fuel injector 9; Be divided into two kinds of voltage outputs of 12V, 80V; Can adjust electric voltage frequency, thus the switching frequency of control electric-controlled fuel injector 9; Can adjust the voltage pulsewidth, thereby control the time length of these electric-controlled fuel injector 9 single oil spouts; Its oil spout number of times can be set, thereby the fuel injection quantity and the recirculating oil quantity of oil sprayer under the fixing oil spout number of times can be measured; Unlimited oil spout number of times be can be set at, thereby oil spout angle, oily line and atomizing situation detected.
The atomizing that utilizes the utility model to carry out oil sprayer is observed, its working procedure is as follows: at first, after the correct connection of diesel oil electric-controlled fuel injector test system, start fuel injection pump tester 1 and fuel feeding electronic pump 16, its fuel oil flows to shown in arrow among Fig. 2, and fuel oil is supplied with Injection Pump 3 by fuel feeding electronic pump 16; Improve the rotating speed of fuel injection pump tester 1; produce moment of torsion; by coupling drive 2 moment of torsion is passed to Injection Pump 3; Injection Pump 3 rotates fuel oil is pressurizeed; unnecessary low-voltage fuel flows back to fuel tank 15 from low pressure fuel pipe; high pressure fuel flows to stable-pressure device 4 from Injection Pump 3 by high-pressure oil pipe; owing in the sleeve of stable-pressure device 4 certain space is arranged; high pressure fuel flows in the sleeve 42 through this stable-pressure device import 41; a part flows through the center hole 43 of top pressing board 44; most of fuel oil promotes top pressing board 44; under the effect of three springs 45 of top pressing board 44 opposite sides; can slow down the pace of change of oil pressure; automatically regulate oil pressure; play stable effect; in a word; high pressure fuel makes its variation in pressure slow down the back fuel oil by above-mentioned stable-pressure device 4 and enters common rail pipe 8; meanwhile; demonstrate the pressure of high pressure fuel in the antivibration pressure gauge 6; there is a small amount of high pressure fuel to flow back to fuel tank 15 through throttling regulator 5; high pressure protector 7 was opened automatically after pressure surpassed 160MPa; high pressure fuel flows back to fuel tank 15; system pressure descends, and plays the effect of protective system, and high pressure fuel enters electric-controlled fuel injector 9 by common rail pipe 8; Single-chip Controlling unit 10 is opened electric-controlled fuel injector 9 by setup program; electric-controlled fuel injector 9 ejection fuel oils enter atomizing observation ward 11, at this moment, can obtain the atomizing situation of fuel oil; at last; fuel oil after the atomizing flows back to fuel tank 15 from atomizing observation ward 11, so far, finishes the atomizing of oil sprayer and observes.Next; carrying out oil sprayer fuel injection quantity and recirculating oil quantity measures: above-mentioned fuel injection pump tester 1 and fuel feeding electronic pump 16 are closed; pull down atomizing observation ward 11; the correct connection gone up atomizing gathering-device 12; recirculating oil quantity graduated cylinder 13 and fuel injection quantity graduated cylinder 14; as shown in Figure 1; start fuel injection pump tester 1; fuel feeding electronic pump 16; fuel oil is supplied with Injection Pump 3 by fuel injection pump tester 1; improve the rotating speed of fuel injection pump tester 1; produce moment of torsion; by coupling drive 2 moment of torsion is passed to Injection Pump 3; Injection Pump 3 rotates fuel oil is pressurizeed; unnecessary low-voltage fuel flows back to fuel tank 15; high pressure fuel flows to stable-pressure device 4 from Injection Pump 3 by high-pressure oil pipe; variation in pressure is slowed down the back high pressure oil and is entered common rail pipe 8; demonstrate high pressure fuel pressure in the antivibration pressure gauge 6; a small amount of high pressure fuel flows back to fuel tank 15 through throttling regulator 5; high pressure protector 7 was opened after pressure surpassed 160MPa; high pressure fuel flows back to fuel tank 15; system pressure descends; play the effect of protective system; high pressure fuel enters electric-controlled fuel injector 9 by common rail pipe 8; Single-chip Controlling unit 10 is opened electric-controlled fuel injector 9 by setup program; electric-controlled fuel injector 9 ejection fuel oils enter atomizing observation ward 11, flow into atomizing gathering-device 12 from atomizing observation ward 11; recirculating oil quantity graduated cylinder 13 is measured, and reads this recirculating oil quantity graduated cylinder 13 readings; so far, fuel injection quantity and the recirculating oil quantity of finishing oil sprayer measured.
Although in conjunction with figure the utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; under the situation that does not break away from the utility model aim, can also make a lot of distortion, these all belong within the protection of the present utility model.
Claims (7)
1. diesel engine electric-controlled oil ejector test system, comprise fuel tank (15), fuel feeding electronic pump (16) and the high-pressure injection pump (3) that is connected with high-pressure common rail pipe (8) by oil pipe respectively, high pressure protector (7) and electric-controlled fuel injector (9), be connected with an antivibration pressure gauge (6) on the described high-pressure common rail pipe (8), it is characterized in that: described high-pressure injection pump (3) links to each other with a fuel injection pump tester (1), and described fuel injection pump tester (1) is as the power resources of system; Pipeline between described high-pressure common rail pipe (8) and the high-pressure injection pump (3) is provided with stable-pressure device (4), the oil pipe that described high-pressure common rail pipe (8) leads to fuel tank (15) is provided with throttling regulator (5), described electric-controlled fuel injector (9) is connected with an atomizing observation ward (11) or an oil sprayer flow measuring device, and described electric-controlled fuel injector (9) is controlled by a Single-chip Controlling unit (10).
2. diesel engine electric-controlled oil ejector test system according to claim 1 is characterized in that: described fuel injection quantity flow measuring device comprises atomizing gathering-device (12), recirculating oil quantity graduated cylinder (13) and fuel injection quantity graduated cylinder (14).
3. diesel engine electric-controlled oil ejector test system according to claim 1, it is characterized in that: described stable-pressure device (4) comprises the cavity that is made of first sleeve (42) that is tightly connected and second sleeve (47), described first sleeve (42) is provided with filler opening (41), described second sleeve (47) is provided with oil outlet (48), be provided with a spring (45) and a top pressing board (44) in the described cavity, described top pressing board (44) is positioned between filler opening (41) and the spring (45), described top pressing board (44) is provided with center hole (43), described first sleeve (42), the central position of top pressing board (44) and second sleeve (47) forms a passage.
4. diesel engine electric-controlled oil ejector test system according to claim 1 is characterized in that: described stable-pressure device (4) is provided with fixed structure.
5. according to claim 3 or 4 described diesel engine electric-controlled oil ejector test systems, it is characterized in that: spring (45) number in the described cavity is three.
6. diesel engine electric-controlled oil ejector test system according to claim 1 is characterized in that: described throttling regulator (5) adopts normal formula oil sprayer or adjustable oil sprayer.
7. diesel engine electric-controlled oil ejector test system according to claim 1 is characterized in that: described Single-chip Controlling unit (10) adopts CR2000 high-pressure common rail test system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202510766U CN201546861U (en) | 2009-11-30 | 2009-11-30 | Testing system of electric control oil injector of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202510766U CN201546861U (en) | 2009-11-30 | 2009-11-30 | Testing system of electric control oil injector of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201546861U true CN201546861U (en) | 2010-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202510766U Expired - Fee Related CN201546861U (en) | 2009-11-30 | 2009-11-30 | Testing system of electric control oil injector of diesel engine |
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| CN (1) | CN201546861U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192066A (en) * | 2011-04-15 | 2011-09-21 | 江苏大学 | Method for measuring effective actual internal area of each hole of oil nozzle of diesel engine |
| CN102777302A (en) * | 2012-07-23 | 2012-11-14 | 中国兵器工业集团第七0研究所 | Method for driving parameter optimization experiment of high-pressure common-rail high-speed electromagnetic valve |
| CN103573517A (en) * | 2012-08-10 | 2014-02-12 | 北汽福田汽车股份有限公司 | Detector and detection method for common rail and oil sprayer of engine |
| CN105275700A (en) * | 2015-11-13 | 2016-01-27 | 广西玉柴机器股份有限公司 | Detecting device for electronic control oil injector |
| CN107024916A (en) * | 2016-12-08 | 2017-08-08 | 中国北方发动机研究所(天津) | A kind of diesel engine electric control system test case parameter automatic patching system and method |
| CN110529318A (en) * | 2019-09-27 | 2019-12-03 | 中船动力研究院有限公司 | A kind of fuel injector device for measuring properties |
| CN113153601A (en) * | 2021-05-08 | 2021-07-23 | 重庆红江机械有限责任公司 | Stabilizing device convenient for measuring oil injection quantity of oil injector |
-
2009
- 2009-11-30 CN CN2009202510766U patent/CN201546861U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192066A (en) * | 2011-04-15 | 2011-09-21 | 江苏大学 | Method for measuring effective actual internal area of each hole of oil nozzle of diesel engine |
| CN102192066B (en) * | 2011-04-15 | 2013-03-13 | 江苏大学 | Method for measuring effective internal sectional area of each hole of oil nozzle of diesel engine |
| CN102777302A (en) * | 2012-07-23 | 2012-11-14 | 中国兵器工业集团第七0研究所 | Method for driving parameter optimization experiment of high-pressure common-rail high-speed electromagnetic valve |
| CN103573517A (en) * | 2012-08-10 | 2014-02-12 | 北汽福田汽车股份有限公司 | Detector and detection method for common rail and oil sprayer of engine |
| CN105275700A (en) * | 2015-11-13 | 2016-01-27 | 广西玉柴机器股份有限公司 | Detecting device for electronic control oil injector |
| CN107024916A (en) * | 2016-12-08 | 2017-08-08 | 中国北方发动机研究所(天津) | A kind of diesel engine electric control system test case parameter automatic patching system and method |
| CN110529318A (en) * | 2019-09-27 | 2019-12-03 | 中船动力研究院有限公司 | A kind of fuel injector device for measuring properties |
| CN113153601A (en) * | 2021-05-08 | 2021-07-23 | 重庆红江机械有限责任公司 | Stabilizing device convenient for measuring oil injection quantity of oil injector |
| CN113153601B (en) * | 2021-05-08 | 2022-06-28 | 重庆红江机械有限责任公司 | Stabilizing device convenient for measuring oil injection quantity of oil injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20131130 |