CN221882657U - High-precision electric fuel pump flow measuring device - Google Patents
High-precision electric fuel pump flow measuring device Download PDFInfo
- Publication number
- CN221882657U CN221882657U CN202420245753.8U CN202420245753U CN221882657U CN 221882657 U CN221882657 U CN 221882657U CN 202420245753 U CN202420245753 U CN 202420245753U CN 221882657 U CN221882657 U CN 221882657U
- Authority
- CN
- China
- Prior art keywords
- flow
- installation
- pipeline
- pipe
- fuel pump
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 27
- 238000005259 measurement Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 54
- 239000003381 stabilizer Substances 0.000 claims description 18
- 239000012530 fluid Substances 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model relates to the technical field of flow measurement, and discloses a high-precision electric fuel pump flow measurement device, which comprises a fluid flow path formed by a second pipeline connector, a pipeline adapter, a mounting pipe and a first pipeline connector, wherein fluid enters from the second pipeline connector and flows out from the first pipeline connector, a flow measurement structure which can be driven by fluid to rotate relative to the mounting pipe is arranged in the mounting pipe, the rotating speed of the flow measurement structure is detected by a rotating speed sensor arranged outside the mounting pipe so as to obtain the flow, the flow measurement is realized, the direct measurement of the fluid flow can be realized, and when the fluid flow changes due to the temperature change, the rotating speed of the flow measurement structure also changes synchronously, so that the fluid flow measurement precision is improved when the fluid flow is measured, the influence of the fluid temperature on the fluid flow can be considered and corrected, and the control effect of the fluid flow is ensured.
Description
Technical Field
The utility model relates to the technical field of flow measurement, in particular to a high-precision electric fuel pump flow measurement device.
Background
The current fuel flow of the electric fuel pump is mostly measured by a calibration method, namely, before the electric fuel pump leaves the factory, the fuel flow of different rotating speeds is calibrated under certain working conditions, and a rotating speed-flow characteristic curve is obtained. When the electric fuel pump is used, the fuel flow is characterized by the rotation speed data of the electric fuel pump, the fuel flow is not directly measured, and the influence of the fuel temperature on the fuel flow cannot be considered by the measurement mode. Therefore, we propose a high-precision electric fuel pump flow measurement device.
Disclosure of utility model
The utility model mainly aims to provide a high-precision electric fuel pump flow measuring device which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The high-precision electric fuel pump flow measuring device comprises a shell, wherein an installation cavity is arranged in the shell, a top sleeve and a pipeline adapter are respectively fixed on two opposite cavity wall surfaces of the installation cavity, an installation pipe is arranged between the top sleeve and the pipeline adapter, a flow measuring structure is arranged in the installation pipe, and the flow measuring structure is clamped on the inner wall of the installation pipe and is in running fit with the installation pipe; the installation pipe and the pipeline adapter are sleeved with an installation block, a first circuit board and a second circuit board are respectively fixed at two opposite ends of the installation block, a rotation speed sensor is embedded on the first circuit board, the rotation speed sensor is electrically connected with the first circuit board, and the rotation speed sensor is matched with the flow measuring structure.
Preferably, one end of the installation tube is fixed with the pipeline adapter, one end of the pipeline adapter is fixed with a second pipeline connector, the other end of the second pipeline connector penetrates through the shell, the other end of the installation tube penetrates through the top sleeve and is fixed with a first pipeline connector, the first pipeline connector penetrates through the shell, and the first pipeline connector and the second pipeline connector are both fixed with the outer surface of the shell; the installation block is fixed between the top sleeve and the wall surface of the installation cavity, an installation groove for accommodating the installation pipe and the pipeline adapter is formed in the installation block, and the second pipeline connector penetrates through the installation block.
Preferably, the second pipeline connector is communicated with the mounting pipe through a pipeline adapter, and the mounting pipe is communicated with the first pipeline connector.
Preferably, the flow measuring structure comprises a connecting shaft, the connecting shaft is arranged in the mounting pipe, the axial direction of the connecting shaft is in the same direction as the axial direction of the mounting pipe, a turbine is fixedly sleeved in the middle of the connecting shaft, two flow stabilizers are respectively fixed at two ends of the connecting shaft, a rotary table is respectively fixed on the outer side surfaces of the two flow stabilizers, and a penetrating opening is formed in each rotary table; the inner wall of installation pipe and with installation pipe normal running fit are located to two turntables all card.
Preferably, both the flow stabilizer and the turbine are in clearance fit with the inner wall of the mounting tube.
Preferably, a plurality of flow stabilizing grooves are arranged on the outer surface of each flow stabilizer along the circumferential direction of the flow stabilizer in an array manner, and each flow stabilizing groove is arranged along the axial direction of the flow stabilizer.
Preferably, a plurality of through holes are arranged on each rotary table.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, through the fluid flow path of the second pipeline connector, the pipeline adapter, the mounting pipe and the first pipeline connector set, fluid enters from the second pipeline connector and flows out from the first pipeline connector, the flow measuring structure which can be driven by fluid to rotate relative to the mounting pipe is arranged in the mounting pipe, the rotating speed of the flow measuring structure is detected by the rotating speed sensor arranged outside the mounting pipe so as to obtain flow, the measurement of the flow is realized, the direct measurement of the flow of the fluid can be realized, and when the flow of the fluid changes due to the change of temperature, the rotating speed of the flow measuring structure also changes synchronously, so that the measuring precision of the flow of the fluid is improved when the flow of the fluid is measured, the influence of the temperature of the fluid on the flow of the fluid is considered and the correction is carried out, and the control effect of the flow of the fluid is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a high-precision electric fuel pump flow measurement device according to the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a high-precision electric fuel pump flow measurement device according to the present utility model;
FIG. 3 is a schematic illustration of the fit of a mounting block to a mounting tube;
FIG. 4 is a schematic illustration of the fitting of the mounting tube, conduit adapter and second conduit connector;
Fig. 5 is a schematic structural diagram of a flow measurement structure.
In the figure: 1. a housing; 2. a first pipe connector; 3. a second pipeline connector; 4. a top cover; 5. a mounting block; 51. a mounting groove; 6. a first circuit board; 7. a second circuit board; 8. installing a pipe; 9. a pipe adapter; 10. a flow measurement structure; 11. a rotation speed sensor; 101. a connecting shaft; 102. a turbine; 103. a current stabilizer; 1031. a steady flow groove; 104. a turntable; 1041. and (5) penetrating the mouth.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
1-5, A high-precision electric fuel pump flow measuring device comprises a shell 1, wherein an installation cavity is arranged in the shell 1, a top sleeve 4 and a pipeline adapter 9 are respectively fixed on two opposite cavity wall surfaces of the installation cavity, an installation pipe 8 is arranged between the top sleeve 4 and the pipeline adapter 9, a flow measuring structure 10 is arranged in the installation pipe 8, and the flow measuring structure 10 is clamped on the inner wall of the installation pipe 8 and is in running fit with the installation pipe 8; the installation block 5 is sleeved on the installation pipe 8 and the pipeline adapter 9 together, a first circuit board 6 and a second circuit board 7 are respectively fixed at two opposite ends of the installation block 5, a rotation speed sensor 11 is embedded on the first circuit board 6, the rotation speed sensor 11 is electrically connected with the first circuit board 6, and the rotation speed sensor 11 is matched with the flow measuring structure 10; one end of a mounting tube 8 is fixed with a tube adapter 9, a second tube connector 3 is fixed at one end of the tube adapter 9, the other end of the second tube connector 3 penetrates through the shell 1, the other end of the mounting tube 8 penetrates through the top sleeve 4 and is fixed with a first tube connector 2, the first tube connector 2 penetrates through the shell 1, the second tube connector 3 is communicated with the mounting tube 8 through the tube adapter 9, and the mounting tube 8 is communicated with the first tube connector 2; fluid enters from the second pipeline connector 3, enters the installation pipe 8 through the pipeline adapter 9, then enters the first pipeline connector 2 from the other end of the installation pipe 8 and is discharged from the first pipeline connector 2, the flow drives the flow measuring structure 10 to rotate in the process of flowing through the installation pipe 8, and the rotation speed sensor 11 detects the rotation speed of the flow measuring structure 10 to obtain flow, so that flow is measured.
It should be noted that, the first pipe joint 2 and the second pipe joint 3 are both fixed to the outer surface of the housing 1; the installation block 5 is fixed between the top sleeve 4 and the cavity wall surface of the installation cavity, an installation groove 51 for accommodating the installation pipe 8 and the pipeline adapter 9 is formed in the installation block 5, and the second pipeline connector 3 penetrates through the installation block 5.
As a further explanation of the above technical solution, the flow measurement structure 10 includes a connection shaft 101, the connection shaft 101 is disposed in the installation tube 8, the axial direction of the connection shaft 101 is in the same direction as the axial direction of the installation tube 8, a turbine 102 is fixedly sleeved in the middle of the connection shaft 101, two flow stabilizers 103 are respectively fixed at two ends of the connection shaft 101, a turntable 104 is respectively fixed on the outer side surfaces of the two flow stabilizers 103, and a through hole 1041 is disposed on each turntable 104; the two turntables 104 are clamped on the inner wall of the mounting tube 8 and are in running fit with the mounting tube 8; the flow stabilizer 103 and the turbine 102 are in clearance fit with the inner wall of the mounting tube 8; a plurality of steady flow grooves 1031 are arranged on the outer surface of each current stabilizer 103 along the circumferential array, and each steady flow groove 1031 is arranged along the axial direction of the current stabilizer 103; a plurality of through holes 1041 are provided on each turntable 104. In the process of flowing through the mounting pipe 8, fluid passes through the through hole near the second pipeline connector 3 and flows through the surface of the steady flow groove 1031 near the second pipeline connector 3, then acts on the turbine 102 to drive the turbine 102 to rotate, so that the connecting shaft 101, the steady flow stabilizer 103 and the turntable 104 rotate, the turntable 104 rotates in the mounting pipe 8, and then the fluid is far away from the flow measuring structure 10 from the steady flow groove 1031 and the through hole 1041 of the other pipeline connector 3.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a high accuracy electronic fuel pump flow measurement device, includes shell (1), its characterized in that: an installation cavity is formed in the shell (1), a top sleeve (4) and a pipeline adapter (9) are respectively fixed on two opposite cavity wall surfaces of the installation cavity, an installation pipe (8) is arranged between the top sleeve (4) and the pipeline adapter (9), a flow measuring structure (10) is arranged in the installation pipe (8), and the flow measuring structure (10) is clamped on the inner wall of the installation pipe (8) and is in rotary fit with the installation pipe (8); the installation pipe (8) and the pipeline adapter (9) are sleeved with an installation block (5), a first circuit board (6) and a second circuit board (7) are respectively fixed at two opposite ends of the installation block (5), a rotating speed sensor (11) is embedded on the first circuit board (6), the rotating speed sensor (11) is electrically connected with the first circuit board (6), and the rotating speed sensor (11) is matched with a flow measuring structure (10).
2. The high accuracy electric fuel pump flow measurement device of claim 1, wherein: one end of the mounting pipe (8) is fixed with the pipeline adapter (9), a second pipeline connector (3) is fixed at one end of the pipeline adapter (9), the other end of the second pipeline connector (3) penetrates through the shell (1), the other end of the mounting pipe (8) penetrates through the top sleeve (4) and is fixedly provided with a first pipeline connector (2), the first pipeline connector (2) penetrates through the shell (1), and the first pipeline connector (2) and the second pipeline connector (3) are both fixed with the outer surface of the shell (1); the installation block (5) is fixed between the top sleeve (4) and the cavity wall surface of the installation cavity, an installation groove (51) for accommodating the installation pipe (8) and the pipeline adapter (9) is formed in the installation block (5), and the second pipeline connector (3) penetrates through the installation block (5).
3. The high accuracy electric fuel pump flow measurement device of claim 2, wherein: the second pipeline connector (3) is communicated with the mounting pipe (8) through the pipeline adapter (9), and the mounting pipe (8) is communicated with the first pipeline connector (2).
4. The high accuracy electric fuel pump flow measurement device of claim 1, wherein: the flow measuring structure (10) comprises a connecting shaft (101), wherein the connecting shaft (101) is arranged in a mounting pipe (8), the axial direction of the connecting shaft (101) is in the same direction as the axial direction of the mounting pipe (8), a turbine (102) is fixedly sleeved in the middle of the connecting shaft (101), two flow stabilizers (103) are respectively fixed at two ends of the connecting shaft (101), a rotary table (104) is respectively fixed on the outer side surfaces of the two flow stabilizers (103), and a through hole (1041) is formed in each rotary table (104); the two turntables (104) are clamped on the inner wall of the mounting pipe (8) and are in running fit with the mounting pipe (8).
5. The high accuracy electric fuel pump flow measurement device of claim 4, wherein: the flow stabilizer (103) and the turbine (102) are in clearance fit with the inner wall of the mounting tube (8).
6. The high accuracy electric fuel pump flow measurement device of claim 4, wherein: a plurality of steady flow grooves (1031) are arranged on the outer surface of each current stabilizer (103) along the circumferential array, and each steady flow groove (1031) is arranged along the axial direction of the current stabilizer (103).
7. The high accuracy electric fuel pump flow measurement device of claim 4, wherein: a plurality of through holes (1041) are arranged on each turntable (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420245753.8U CN221882657U (en) | 2024-02-01 | 2024-02-01 | High-precision electric fuel pump flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420245753.8U CN221882657U (en) | 2024-02-01 | 2024-02-01 | High-precision electric fuel pump flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221882657U true CN221882657U (en) | 2024-10-22 |
Family
ID=93109278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420245753.8U Active CN221882657U (en) | 2024-02-01 | 2024-02-01 | High-precision electric fuel pump flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221882657U (en) |
-
2024
- 2024-02-01 CN CN202420245753.8U patent/CN221882657U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109282861B (en) | Shaftless gas turbine flowmeter and measuring method | |
| CN221882657U (en) | High-precision electric fuel pump flow measuring device | |
| CN209783654U (en) | closed contactless flowmeter | |
| CN114993395A (en) | Detachable ultrasonic flowmeter pipeline and transducer mounting structure | |
| KR20130013258A (en) | Axial thrust measurement device for pump by using measurement mechanism | |
| CN210426649U (en) | Integrated thermal gas flowmeter | |
| CN111288884A (en) | Device and method for measuring blade tip clearance based on closed environment | |
| CN111365253A (en) | Full-automatic water pump state monitoring and fault diagnosis system | |
| CN215375473U (en) | Anemoscope with online calibration function | |
| CN207662923U (en) | A kind of upright single cylinder electronic controlled diesel tach signal collecting mechanism | |
| CN211060987U (en) | Industrial large-caliber ultrasonic water meter | |
| CN219736472U (en) | Steady flow inner core for intelligent ultrasonic valveless water meter | |
| CN213658004U (en) | Current output type cooling liquid box volume measuring sensor | |
| CN209945431U (en) | Anti-vibration vortex street flowmeter | |
| CN218781929U (en) | Dynamic torque sensor with double fixed structures | |
| CN210070849U (en) | Hollow conductive plastic angular displacement sensor | |
| CN216309099U (en) | High-precision hot-wire air mass flowmeter | |
| CN115290205B (en) | New energy automobile cooling system temperature measurement device and method | |
| KR200260589Y1 (en) | flow sensor | |
| CN113340515A (en) | Pressure sensor based on ceramic resistor sensing technology | |
| CN218765457U (en) | Plug-in flowmeter capable of automatically adjusting steering | |
| CN112595377A (en) | Split type waterproof sealing type water gauge | |
| CN218238931U (en) | Integrated ultrasonic flowmeter | |
| CN220269160U (en) | Water pressure detection device for water supply pipeline | |
| CN218524217U (en) | Universal flowmeter for different pipe diameters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |