CN112696300A - Negative pressure-based electric injection fuel pump detection system - Google Patents
Negative pressure-based electric injection fuel pump detection system Download PDFInfo
- Publication number
- CN112696300A CN112696300A CN202011445947.5A CN202011445947A CN112696300A CN 112696300 A CN112696300 A CN 112696300A CN 202011445947 A CN202011445947 A CN 202011445947A CN 112696300 A CN112696300 A CN 112696300A
- Authority
- CN
- China
- Prior art keywords
- resistor
- negative pressure
- piezoresistor
- fuel injection
- detection system
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses an electronic fuel injection pump detection system based on negative pressure, which comprises a mounting plate, wherein the top end of one side of the mounting plate is provided with four support columns, the top end of each support column is connected with a support plate, the middle part of the bottom end of the mounting plate is provided with a groove, the front surface of the support plate is provided with a control plate, one side of the top end of the support plate is provided with a negative pressure pump, the electronic fuel injection pump detection system based on negative pressure can detect the pressure change in an electronic fuel pump through the negative pressure pump and a vacuum tank, the pressure in the electronic fuel injection pump can be detected through the negative pressure pump, the vacuum tank can collect the extruded gas, a pressure test circuit is arranged to detect the gas change and display the gas change on the control plate, and the electronic fuel injection pump can present different angles with the horizontal plane through a rotating plate and a push rod motor, the working performance of the electronic fuel injection pump can be detected by simulating the processes of ascending, horizontal driving or descending of an automobile and the like.
Description
Technical Field
The invention relates to the field of electronic injection fuel pumps, in particular to an electronic injection fuel pump detection system based on negative pressure.
Background
The electronic injection fuel pump is an important accessory for pumping gasoline from a gasoline tank and supplying the gasoline to an engine, and the conventional electronic injection fuel pump is likely to cause a fault when an automobile is used if internal pressure is not detected for a long time, and is likely to cause a traffic accident and cause danger if the automobile is suddenly failed and stopped on a road, so that the electronic injection fuel pump needs to be timely detected when power of the electronic injection fuel pump is insufficient, and the occurrence of danger is avoided.
When the existing electronic injection fuel pump is detected, the fuel pump is usually fixed at a horizontal or vertical position, and the pressure test is carried out on the fuel injection of the existing electronic injection fuel pump, so that whether the performance of the existing electronic injection fuel pump is damaged or not is detected. Therefore, an electronic fuel injection pump detection system based on negative pressure is provided.
Disclosure of Invention
The invention mainly aims to provide an electronic injection fuel pump detection system based on negative pressure, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an electricity spouts fuel pump detecting system based on negative pressure, includes the mounting panel, four support columns, every are installed on the top of mounting panel one side the top of support column all is connected with the backup pad, the middle part of mounting panel bottom is equipped with the fluting, the control panel is installed in the front of backup pad, the negative pressure pump is installed to one side on the top of backup pad, the both sides of negative pressure pump all are connected with the exhaust tube, the vacuum tank is installed to the opposite side on backup pad top, the inside intercommunication of vacuum tank and negative pressure pump.
Further, a rotating wheel is installed in the middle of the installation plate, the other end of the rotating wheel is connected with a rotating plate, a binding band is arranged on the surface of the rotating plate, the electric injection fuel pump is installed inside the binding band, a push rod motor is installed on the other side of the bottom end of the rotating plate, a connecting hole is formed in one side of the rotating wheel, the connecting hole is connected with the exhaust pipe, and a liquid flow meter is installed at one end of the connecting hole.
Furthermore, the bottom end of the connecting hole is connected with a collecting pipe, the other end of the collecting pipe is connected with the middle part of the flow dividing pipe, the two ends of the flow dividing pipe are respectively connected with branch pipes, the other ends of the two branch pipes are connected with the other end of the exhaust pipe, the two branch pipes are installed inside the two supporting columns, and the collecting pipe passes through the bottom end of the groove.
Further, the bull stick is installed to the opposite side on mounting panel top, the one end of bull stick is equipped with the delivery port, the oil tank is installed to one side of mounting panel, the oil-out is installed in the front of oil tank, the other end of oil-out is connected with the bull stick, the surface of oil-out is equipped with the flow valve.
Furthermore, a hydraulic cylinder is installed on the top end of the oil tank, a first connecting rod is installed on the top end of a hydraulic rod of the hydraulic cylinder, the other end of the first connecting rod is connected with a fixing head, the first connecting rod is connected with a second connecting rod through the fixing head, and the other end of the second connecting rod is connected with a flow guide piece.
Furthermore, logical groove is all installed to the both sides of water conservancy diversion spare, the middle part of water conservancy diversion spare is equipped with presses the briquetting, press the inside of briquetting and be equipped with the connecting block, the other end of connecting block is connected with at the bottom of the arc, the both sides of water conservancy diversion spare are equipped with logical groove, one side the connector is installed to the bottom that leads to the groove, the both ends of connector are connected with the both sides at the bottom of leading to groove and arc respectively.
Further, the internally mounted of vacuum tank has piezo-resistor, the internally mounted of control panel has the circuit board, the surface mounting of circuit board has pressure detection circuit.
Further, the pressure test circuit comprises resistors R1-R12, capacitors C1 and C2, an amplifier U1 and the like;
one end of the resistor R1 is connected with one end of the resistor R2, the other end of the resistor R1 is connected with one end of the piezoresistor R3, the other end of the piezoresistor R3 is connected with one end of a piezoresistor R4, the other end of the piezoresistor R4 is connected with the other end of the resistor R2, the junction of the resistor R1 and the resistor R2 is connected with a power supply VCC, the junction of the piezoresistor R3 and the piezoresistor R4 is connected with a ground wire, the other end of the piezoresistor R3 is connected with one end of a capacitor C2, the other end of the capacitor C2 is connected with a capacitor C1, the other end of the capacitor C1 is connected with the connection part of the piezoresistor R3 and the piezoresistor R4, the joint of the capacitor C2 and the resistor piezoresistor R3 is connected with one end of a slide rheostat R5, the other end of the slide rheostat is connected with one end of a resistor R6 and one end of a slide bar of a slide rheostat R5 respectively;
the amplifier U1 has a same-direction input end connected to the other end of a resistor R6, one end of a resistor R8 and one end of a resistor R12 respectively, the other end of the resistor R8 and the other end of the resistor R12 are connected and grounded, the amplifier U1 has a reverse-direction input end connected to one end of a resistor R7 and one end of a resistor R11 respectively, the other end of the resistor R7 is connected to the other end of a resistor R11, the other end of the resistor R11 is also connected to the other end of a resistor R2 and one end of a resistor R9, the No. 2 pin of the amplifier U1 is connected to the other end of a resistor R12, the output end of the amplifier U1 is connected to the other end of a resistor R9 and an external circuit respectively, and the two ends of the resistor R9.
Compared with the prior art, the invention has the following beneficial effects:
1. the change of the pressure in the electric fuel pump can be detected through the arranged negative pressure pump and the vacuum tank, the pressure in the electric fuel pump can be detected through the arranged negative pressure pump, the extruded gas can be collected through the arranged vacuum tank, the change of the gas is detected through the arranged pressure test circuit and is displayed on the control panel, the gas pressure in the electric fuel pump can be collected through the arranged collection pipe and the arranged division pipe, and the gas pressure can be divided through the arranged branch pipes, so that the gas pressure enters the negative pressure pump from two sides, and the detection process is quicker;
2. the electric injection fuel pump can be enabled to present different angles with the horizontal plane through the rotating plate and the push rod motor, the processes of ascending, horizontal running or descending of an automobile can be simulated, the working performance of the electric injection fuel pump can be detected, the guide piece can be connected with one end of the electric injection fuel pump through the guide piece, the guide piece can be pushed through the hydraulic cylinder, the operation process of the electric injection fuel pump is simulated, the change of the oil quantity in the electric injection fuel pump can be detected through the connecting hole and the liquid flowmeter, the pressure change in the follow-up vacuum tank can be matched, and whether the performance is reduced or not can be detected.
Drawings
Fig. 1 is a schematic overall structure diagram of an electronic fuel injection pump detection system based on negative pressure according to the present invention.
Fig. 2 is a schematic diagram of an internal structure of an electronic fuel injection pump detection system based on negative pressure according to the present invention.
FIG. 3 is a schematic structural diagram of a header of an electronic fuel injection pump detection system based on negative pressure.
Fig. 4 is a schematic structural diagram of a flow guide of an electronic fuel injection pump detection system based on negative pressure according to the present invention.
Fig. 5 is a schematic structural diagram of an oil tank of an electronic fuel injection pump detection system based on negative pressure.
FIG. 6 is a circuit diagram of a pressure test circuit of an electronic fuel injection pump detection system based on negative pressure.
In the figure: 1. mounting a plate; 2. a support plate; 3. grooving; 4. a rotating plate; 5. connecting holes; 6. a rotating wheel; 7. an electric injection fuel pump; 8. binding bands; 9. an oil tank; 10. a support pillar; 11. a negative pressure pump; 12. a vacuum tank; 13. an air exhaust pipe; 14. a hydraulic cylinder; 15. a first connecting rod; 16. a fixed head; 17. a second connecting rod; 18. a flow guide member; 19. a liquid flow meter; 20. a rotating rod; 21. a delivery port; 22. a push rod motor; 23. a shunt tube; 24. a header; 25. a branch pipe; 26. connecting blocks; 27. a through groove; 28. an arc-shaped bottom; 29. a pressing block; 30. a connecting port; 31. an oil outlet; 32. a flow valve; 33. and a control panel.
Detailed Description
The present invention will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are not intended to be limiting, wherein certain elements may be omitted, enlarged or reduced in size, and are not intended to represent the actual dimensions of the product, so as to better illustrate the detailed description of the invention.
Example 1
As shown in fig. 1-6, an electricity spouts fuel pump detecting system based on negative pressure, including mounting panel (1), four support columns (10) are installed on the top of mounting panel (1) one side, the top of every support column (10) all is connected with backup pad (2), the middle part of mounting panel (1) bottom is equipped with fluting (3), control panel (33) are installed in the front of backup pad (2), negative pressure pump (11) are installed to one side on the top of backup pad (2), the both sides of negative pressure pump (11) all are connected with exhaust tube (13), vacuum tank (12) are installed to the opposite side on backup pad (2) top, vacuum tank (12) and negative pressure pump (11) inside intercommunication.
The middle part of mounting panel (1) is installed runner (6), the other end of runner (6) is connected with rotor plate (4), the surface of rotor plate (4) is equipped with bandage (8), electricity spouts fuel pump (7) and is installed inside bandage (8), push rod motor (22) are installed to the opposite side of rotor plate (4) bottom, connecting hole (5) have been seted up to one side of runner (6), connecting hole (5) and exhaust tube (13) interconnect, fluidflowmeter (19) are installed to the one end of connecting hole (5).
The bottom of connecting hole (5) is connected with header (24), and the other end of header (24) is connected with the middle part of shunt tubes (23), and the both ends of shunt tubes (23) are connected with branch pipe (25) respectively, and the other end of two branch pipes (25) all is connected with the other end of exhaust tube (13), and the inside at two support columns (10) is all installed in two branch pipes (25), and header (24) are followed fluting (3) bottom and are passed through.
A piezoresistor is arranged in the vacuum tank (12), a circuit board is arranged in the control board (33), and a pressure detection circuit is arranged on the surface of the circuit board.
The pressure test circuit comprises resistors R1-R12, capacitors C1 and C2, an amplifier U1 and the like;
one end of a resistor R1 is connected with one end of a resistor R2, the other end of the resistor R1 is connected with one end of a piezoresistor R3, the other end of a piezoresistor R3 is connected with one end of a piezoresistor R4, the other end of a piezoresistor R4 is connected with the other end of a resistor R2, the connection part of the resistor R1 and the resistor R2 is connected with a power VCC, the connection part of the piezoresistor R3 and the piezoresistor R4 is connected with a ground wire, the other end of the piezoresistor R3 is connected with one end of a capacitor C2, the other end of the capacitor C2 is connected with a capacitor C1, the other end of the capacitor C1 is connected with the connection part of the piezoresistor R3 and the piezoresistor R4, the connection part of the capacitor C2 and the resistor R3 is connected with one end of a slide rheostat R5, and the other end of the slide rheo;
the same-direction input end of the amplifier U1 is connected with the other end of a resistor R6, one end of a resistor R8 and one end of a resistor R12 respectively, the other end of the resistor R8 and the other end of the resistor R12 are connected and are grounded, the reverse input end of the amplifier U1 is connected with one end of a resistor R7 and one end of a resistor R11 respectively, the other end of the resistor R7 is connected with the other end of a resistor R11, the other end of the resistor R11 is also connected with the other end of a resistor R2 and one end of a resistor R9, a pin No. 2 of the amplifier U1 is connected with the other end of the resistor R12, the output end of the amplifier U1 is connected with the other end of the resistor R9 and an external circuit respectively, and.
By adopting the technical scheme: the pressure change in the electric fuel pump can be detected through the arranged negative pressure pump (11) and the vacuum tank (12), the pressure inside the electric fuel pump (7) can be detected through the arranged negative pressure pump (11), the extruded gas can be collected through the arranged vacuum tank (12), the gas change is detected through the arranged pressure test circuit and displayed on the control panel (33), the gas pressure inside the electric fuel pump (7) can be collected through the arranged collection pipe (24) and the arranged division pipe (23), the gas can be divided through the arranged branch pipe (25), the gas enters the negative pressure pump (11) from two sides, and the detection process is quicker.
Example 2
As shown in fig. 1-6, an electricity spouts fuel pump detecting system based on negative pressure, including mounting panel (1), four support columns (10) are installed on the top of mounting panel (1) one side, the top of every support column (10) all is connected with backup pad (2), the middle part of mounting panel (1) bottom is equipped with fluting (3), control panel (33) are installed in the front of backup pad (2), negative pressure pump (11) are installed to one side on the top of backup pad (2), the both sides of negative pressure pump (11) all are connected with exhaust tube (13), vacuum tank (12) are installed to the opposite side on backup pad (2) top, vacuum tank (12) and negative pressure pump (11) inside intercommunication.
The rotating rod (20) is installed on the other side of the top end of the installing plate (1), a conveying port (21) is arranged at one end of the rotating rod (20), the oil tank (9) is installed on one side of the installing plate (1), an oil outlet (31) is installed on the front face of the oil tank (9), the other end of the oil outlet (31) is connected with the rotating rod (20), and a flow valve (32) is arranged on the surface of the oil outlet (31).
Pneumatic cylinder (14) are installed on the top of oil tank (9), and head rod (15) are installed on the top of the hydraulic stem of pneumatic cylinder (14), and the other end of head rod (15) is connected with fixed head (16), and head rod (15) are connected with second connecting rod (17) through fixed head (16) that are equipped with, and the other end of second connecting rod (17) is connected with water conservancy diversion spare (18).
Through groove (27) are all installed to the both sides of water conservancy diversion spare (18), the middle part of water conservancy diversion spare (18) is equipped with presses down briquetting (29), the inside of pressing down briquetting (29) is equipped with connecting block (26), the other end of connecting block (26) is connected with arc end (28), the both sides of water conservancy diversion spare (18) are equipped with logical groove (27), connector (30) are installed to the bottom that one side led to groove (27), the both ends of connector (30) are connected with the both sides of leading to groove (27) and arc end (28) respectively.
A piezoresistor is arranged in the vacuum tank (12), a circuit board is arranged in the control board (33), and a pressure detection circuit is arranged on the surface of the circuit board.
By adopting the technical scheme: the electric injection fuel pump (7) can be in different angles with the horizontal plane through the rotating plate (4) and the push rod motor (22), the processes of ascending, horizontal running or descending of an automobile can be simulated, the working performance of the electric injection fuel pump (7) can be detected, the guide piece (18) can be connected with one end of the electric injection fuel pump (7), the guide piece (18) can be pushed through the hydraulic cylinder (14), the running process of the electric injection fuel pump (7) can be simulated, the change of the oil quantity in the electric injection fuel pump (7) can be detected through the connecting hole (5) and the liquid flowmeter (19) to be matched with the pressure change in the subsequent vacuum tank (12), and whether the performance is reduced or not can be detected.
The invention is an electronic injection fuel pump detection system based on negative pressure, when in use, firstly an electronic injection fuel pump (7) is bound through a binding band (8), the electronic injection fuel pump (7) is fixed, secondly one end of a flow guide piece (18) is connected with one end of the electronic injection fuel pump (7), a delivery port (21) is connected with the electronic injection fuel pump (7), the other end of the electronic injection fuel pump (7) is communicated with a connecting hole (5), a switch of a hydraulic cylinder (14) is opened, the hydraulic cylinder (14) moves up and down to pressurize the interior of the electronic injection fuel pump (7), the delivery port (21) is connected with an oil outlet (31) to deliver gasoline to the interior of the electronic injection fuel pump (7), at the moment, the hydraulic cylinder (14) moves up and down, a connecting block (26) and an arc-shaped plate also move in a pressing block (29), when the arc-shaped plate moves up and down, air can enter the connecting hole (5) to enter the electric injection fuel pump (7), at the moment, gasoline can be matched with the negative pressure pump (11) to discharge the inside of the electric injection fuel pump (7) due to the changed pressure of gasoline entering, the process of ascending a slope of an automobile is simulated as required, only the push rod motor (22) needs to be opened, the rotating plate (4) is driven to move upwards through the push rod motor (22), the push rod of the rotating motor is shortened to simulate the ascending and descending of the automobile through extension at the moment, and the electric fuel pump can use the negative pressure pump (11) to perform discharge pressure test in a dynamic or static state.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an electricity spouts fuel pump detecting system based on negative pressure, includes mounting panel (1), four support columns (10), every are installed on the top of mounting panel (1) one side the top of support column (10) all is connected with backup pad (2), the middle part of mounting panel (1) bottom is equipped with fluting (3), control panel (33) are installed in the front of backup pad (2), a serial communication port, negative pressure pump (11) are installed to one side on the top of backup pad (2), the both sides of negative pressure pump (11) all are connected with exhaust tube (13), vacuum tank (12) are installed to the opposite side on backup pad (2) top, vacuum tank (12) and negative pressure pump (11) inside intercommunication.
2. An electronic fuel injection pump detection system based on negative pressure as claimed in claim 1, wherein: the utility model discloses a fuel injection pump, including mounting panel (1), runner (6) are installed to the mid-mounting of mounting panel (1), the other end of runner (6) is connected with rotor plate (4), the surface of rotor plate (4) is equipped with bandage (8), electricity spouts fuel pump (7) and is installed inside bandage (8), push rod motor (22) are installed to the opposite side of rotor plate (4) bottom, connecting hole (5) have been seted up to one side of runner (6), connecting hole (5) and exhaust tube (13) interconnect, liquid flowmeter (19) are installed to the one end of connecting hole (5).
3. An electronic fuel injection pump detection system based on negative pressure as claimed in claim 1, wherein: the bottom end of the connecting hole (5) is connected with a collecting pipe (24), the other end of the collecting pipe (24) is connected with the middle of a flow dividing pipe (23), two ends of the flow dividing pipe (23) are respectively connected with branch pipes (25), the other ends of the two branch pipes (25) are connected with the other end of an air suction pipe (13), the two branch pipes (25) are installed inside the two supporting columns (10), and the collecting pipe (24) passes through the bottom end of the slot (3).
4. An electronic fuel injection pump detection system based on negative pressure as claimed in claim 1, wherein: bull stick (20) is installed to the opposite side on mounting panel (1) top, the one end of bull stick (20) is equipped with delivery port (21), oil tank (9) are installed to one side of mounting panel (1), oil-out (31) are installed in the front of oil tank (9), the other end of oil-out (31) is connected with bull stick (20), the surface of oil-out (31) is equipped with flow valve (32).
5. An electronic fuel injection pump detection system based on negative pressure as claimed in claim 1, wherein: pneumatic cylinder (14) are installed on the top of oil tank (9), head rod (15) are installed on the top of the hydraulic stem of pneumatic cylinder (14), the other end of head rod (15) is connected with fixed head (16), head rod (15) are connected with second connecting rod (17) through fixed head (16) that are equipped with, the other end of second connecting rod (17) is connected with water conservancy diversion spare (18).
6. An electronic fuel injection pump detection system based on negative pressure as claimed in claim 1, wherein: lead to groove (27) all installed to the both sides of water conservancy diversion spare (18), the middle part of water conservancy diversion spare (18) is equipped with presses briquetting (29), the inside of pressing briquetting (29) is equipped with connecting block (26), the other end of connecting block (26) is connected with arc end (28), the both sides of water conservancy diversion spare (18) are equipped with logical groove (27), one side connector (30) are installed to the bottom that leads to groove (27), the both ends of connector (30) are connected with the both sides that lead to groove (27) and arc end (28) respectively.
7. An electronic fuel injection pump detection system based on negative pressure as claimed in claim 1, wherein: the vacuum tank (12) is internally provided with a piezoresistor, the control panel (33) is internally provided with a circuit board, and the surface of the circuit board is provided with a pressure detection circuit.
8. An electronic fuel injection pump detection system based on negative pressure as claimed in claim 1, wherein: the pressure test circuit comprises resistors R1-R12, capacitors C1 and C2, an amplifier U1 and the like;
one end of the resistor R1 is connected with one end of the resistor R2, the other end of the resistor R1 is connected with one end of the piezoresistor R3, the other end of the piezoresistor R3 is connected with one end of a piezoresistor R4, the other end of the piezoresistor R4 is connected with the other end of the resistor R2, the junction of the resistor R1 and the resistor R2 is connected with a power supply VCC, the junction of the piezoresistor R3 and the piezoresistor R4 is connected with a ground wire, the other end of the piezoresistor R3 is connected with one end of a capacitor C2, the other end of the capacitor C2 is connected with a capacitor C1, the other end of the capacitor C1 is connected with the connection part of the piezoresistor R3 and the piezoresistor R4, the joint of the capacitor C2 and the resistor piezoresistor R3 is connected with one end of a slide rheostat R5, the other end of the slide rheostat is connected with one end of a resistor R6 and one end of a slide bar of a slide rheostat R5 respectively;
the amplifier U1 has a same-direction input end connected to the other end of a resistor R6, one end of a resistor R8 and one end of a resistor R12 respectively, the other end of the resistor R8 and the other end of the resistor R12 are connected and grounded, the amplifier U1 has a reverse-direction input end connected to one end of a resistor R7 and one end of a resistor R11 respectively, the other end of the resistor R7 is connected to the other end of a resistor R11, the other end of the resistor R11 is also connected to the other end of a resistor R2 and one end of a resistor R9, the No. 2 pin of the amplifier U1 is connected to the other end of a resistor R12, the output end of the amplifier U1 is connected to the other end of a resistor R9 and an external circuit respectively, and the two ends of the resistor R9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011445947.5A CN112696300B (en) | 2020-12-11 | 2020-12-11 | Negative pressure-based electric injection fuel pump detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011445947.5A CN112696300B (en) | 2020-12-11 | 2020-12-11 | Negative pressure-based electric injection fuel pump detection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112696300A true CN112696300A (en) | 2021-04-23 |
| CN112696300B CN112696300B (en) | 2021-11-09 |
Family
ID=75507911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011445947.5A Active CN112696300B (en) | 2020-12-11 | 2020-12-11 | Negative pressure-based electric injection fuel pump detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112696300B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818221A (en) * | 2023-08-29 | 2023-09-29 | 西安航宇动力控制科技有限公司 | Microminiature electric gear fuel pump tightness detection system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687594A (en) * | 2005-04-30 | 2005-10-26 | 武汉理工大学 | Method and equipment for testing performance of feeding oil of fuel pump in car |
| US20050241370A1 (en) * | 2004-04-28 | 2005-11-03 | Sid Harvey Industries, Inc. | Pump testing apparatus and method |
| CN110608164A (en) * | 2019-10-28 | 2019-12-24 | 苏州工业职业技术学院 | Positive and negative pressure test equipment for fuel pump |
| CN211317656U (en) * | 2020-03-05 | 2020-08-21 | 天津航大雄英航空工程有限公司 | Fuel pump air tightness detection tester |
-
2020
- 2020-12-11 CN CN202011445947.5A patent/CN112696300B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050241370A1 (en) * | 2004-04-28 | 2005-11-03 | Sid Harvey Industries, Inc. | Pump testing apparatus and method |
| CN1687594A (en) * | 2005-04-30 | 2005-10-26 | 武汉理工大学 | Method and equipment for testing performance of feeding oil of fuel pump in car |
| CN110608164A (en) * | 2019-10-28 | 2019-12-24 | 苏州工业职业技术学院 | Positive and negative pressure test equipment for fuel pump |
| CN211317656U (en) * | 2020-03-05 | 2020-08-21 | 天津航大雄英航空工程有限公司 | Fuel pump air tightness detection tester |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116818221A (en) * | 2023-08-29 | 2023-09-29 | 西安航宇动力控制科技有限公司 | Microminiature electric gear fuel pump tightness detection system |
| CN116818221B (en) * | 2023-08-29 | 2023-11-10 | 西安航宇动力控制科技有限公司 | Microminiature electric gear fuel pump tightness detection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112696300B (en) | 2021-11-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104502116B (en) | Hydraulic analog test device and its system and method for testing | |
| CN112696300B (en) | Negative pressure-based electric injection fuel pump detection system | |
| CN202002785U (en) | Leak detection device for pipe fitting | |
| CN109026907B (en) | Test bench special for oil cylinder and test method thereof | |
| CN101576403A (en) | Gas flow standard device | |
| CN201330256Y (en) | Tube internal pressure detecting device | |
| CN204556191U (en) | A kind of automobile axial plunger pump pick-up unit | |
| CN201193955Y (en) | Gas flow accuracy calibrating apparatus | |
| CN206192646U (en) | Compared with prior art, | |
| CN204575271U (en) | A kind of automobile ram pump pick-up unit | |
| CN204314434U (en) | Motor detection apparatus | |
| CN204126687U (en) | A kind of machine-oil pressure fault detector | |
| CN208763871U (en) | Oil fuel pump performance Detecting data | |
| CN204461498U (en) | A kind of totally-enclosed gear separator pick-up unit | |
| CN2675492Y (en) | Hydraulic detecting machine for automobile steering units | |
| CN202228923U (en) | Pressure volume automatic gas distribution system | |
| CN221703948U (en) | Novel be suitable for testboard of many specifications hydraulic oil pump | |
| CN110987096A (en) | Device for detecting water quantity of pipeline by utilizing water quantity to drive air pressure change | |
| CN211121731U (en) | Automobile pedal force detection device | |
| CN2580409Y (en) | Electric jet gasoline engine oil supply device with oil consumption measuring mechansim | |
| CN211116369U (en) | Detection device for monoblock pump and pump nozzle | |
| CN211230680U (en) | Common rail injector testing device | |
| CN2662228Y (en) | Automobile hydraulic pressure power steering system test machine | |
| CN211230681U (en) | Novel common rail injector test board | |
| CN221173569U (en) | Detection workbench of intelligent water meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |