CN217440191U - Pump oil heating prefilter capable of switching high-low grade fuel oil - Google Patents
Pump oil heating prefilter capable of switching high-low grade fuel oil Download PDFInfo
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- CN217440191U CN217440191U CN202221225459.8U CN202221225459U CN217440191U CN 217440191 U CN217440191 U CN 217440191U CN 202221225459 U CN202221225459 U CN 202221225459U CN 217440191 U CN217440191 U CN 217440191U
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Abstract
The utility model provides a changeable height-to-low grade fuel pump oil heating prefilter, it includes the pump oil body, this internal pump oil cavity that is provided with of pump oil, be provided with low grade fuel oil inlet and high grade fuel oil inlet that is linked together with the pump oil cavity on the pump oil body, be provided with first electronic valve and second electronic valve on high grade fuel oil inlet and the low grade fuel oil inlet respectively, be provided with temperature sensor on the high grade fuel oil inlet, temperature sensor, first electronic valve and second battery valve are used for being connected with vehicle ECU, vehicle ECU is used for utilizing temperature sensor to acquire temperature data, the first electronic valve of selective control or the start of second electronic valve. The utility model can automatically switch the corresponding grade fuel oil without manual operation at different temperatures, thereby solving the problem of waxing of the high grade fuel oil at low temperature; when the external environment temperature is higher than the wax precipitation temperature of the fuel oil, the high-grade fuel oil is directly used, and the transportation cost is reduced.
Description
Technical Field
The utility model relates to the technical field of engines, especially, relate to a fuel pump oil heating prefilter of changeable height label.
Background
In cold conditions, diesel engine operation requires that the fuel temperature be raised as quickly as possible to within an optimum temperature range to allow the engine to quickly reach optimum operating conditions. Because the low-temperature starting of the diesel engine is difficult due to the difference of the environmental temperature, a whole factory is generally provided with a main fuel tank and an auxiliary fuel tank aiming at the problem, wherein the main fuel tank contains high-grade fuel oil (No. 0 diesel oil), and the auxiliary fuel tank contains low-grade fuel oil (-No. 10 diesel oil or No. 35 diesel oil). The diesel oil with different grades must be adapted to the environmental temperature, otherwise, when the grade of the diesel oil is lower than the environmental requirement, the diesel oil is easy to wax and block an oil way, so that the engine is difficult to start, or the engine automatically stalls in the running process. Firstly, during the starting process of the engine, the low-grade fuel is supplied to the engine through the oil pumping and heating pre-filter, and after the engine is started, the high-grade fuel is supplied through the oil pumping and heating pre-filter. Because the high-grade fuel and the low-grade fuel are usually switched manually by a driver, the situation that the high-grade fuel is not switched in time by the driver carelessly after the engine is started easily results in that the engine continuously uses the low-grade fuel, and because the dynamic property and the economical efficiency of the high-grade diesel are better than those of the low-grade diesel, the low-grade diesel is used by the engine for a long time, so that the fuel cost of a vehicle is increased.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can be according to ambient temperature, automatically switch the fuel pump oil heating prefilter of supply height low label to the engine to reduce vehicle fuel cost, realize the intelligent work of pump oil heating prefilter.
The technical scheme of the utility model is realized like this:
the utility model provides a pump oil heating prefilter capable of switching high and low grade fuel oil, which comprises a pump oil body, wherein a pump oil cavity is arranged in the pump oil body, an oil outlet communicated with the pump oil cavity is arranged on the pump oil body, the oil outlet is used for being connected with an engine, a low grade fuel oil inlet and a high grade fuel oil inlet which are communicated with the pump oil cavity are arranged on the pump oil body, the low grade fuel oil inlet is used for introducing low grade fuel oil into the pump oil cavity, the high grade fuel oil inlet is used for introducing high grade fuel oil into the pump oil cavity, a first electronic valve and a second electronic valve are respectively arranged on the high grade fuel oil inlet and the low grade fuel oil inlet, a temperature sensor is arranged on the high grade fuel oil inlet, and the temperature sensor, the first electronic valve and the second battery valve are used for being connected with an ECU of the vehicle, the vehicle ECU is used for acquiring temperature data by using a temperature sensor and selectively controlling the first electronic valve or the second electronic valve to be started.
On the basis of the technical scheme, preferably, the temperature sensor, the first electronic valve and the second battery valve are connected with the wiring terminals through wiring harness integration, and the wiring terminals are connected with the vehicle ECU through CAN lines.
On the basis of the technical scheme, preferably, the side wall of the oil pumping body is horizontally and fixedly provided with a first oil inlet part and a second oil inlet part, a first oil inlet channel communicated with the oil pumping chamber is horizontally arranged in the first oil inlet part, the high-grade fuel oil inlet is positioned at one end of the first oil inlet part far away from the oil pumping body, the first oil inlet part is vertically provided with a first mounting hole communicated with the first oil inlet channel, the first electronic valve is arranged between the first mounting hole and the first oil inlet channel, a second oil inlet channel communicated with the oil pumping cavity is horizontally arranged in the second oil inlet part, the low-grade fuel oil inlet is positioned at one end of the second oil inlet part far away from the oil pumping body, and a second mounting hole communicated with the second oil inlet channel is vertically formed in the second oil inlet part, and the second electronic valve is mounted between the second mounting hole and the second oil inlet channel.
Further, it is preferred, first electronic valve and second electronic valve structure are the same, wherein, first electronic valve includes fixing base, rotation motor, valve body and valve rod, the valve body is the spheroid form, sets up in first oil feed passageway, and just to first mounting hole, the perforating hole has been seted up on the central axis of valve body, one side top surface center department that the perforating hole was kept away from to the valve body has seted up the joint groove, the valve rod is inserted and is located first mounting hole, and the hypomere of valve rod is connected with the joint groove, the upper end of valve rod vertical mutually with the output shaft fixed connection who rotates the motor, rotate the motor and pass through fixing base fixed mounting at first oil feed portion top surface.
Further, it is preferable, first electronic valve still includes the sealing ring, the sealing ring is provided with two, along the vertical both sides of arranging at the valve body of first oil feed passageway length direction, and the sealing ring is located between valve body and the first mounting hole for it is sealed to make to form between first oil feed passageway and the first mounting hole, the one side that the sealing ring contacted with the valve body is the arc setting.
Further, it is preferred, first electronic valve still includes fixed cover and locating part, fixed cover threaded connection is in first mounting hole, and the lower extreme of fixed cover is used for restricting the valve rod and reciprocates, and the locating part is fixed to be set up on the valve rod, and sets up at the top surface of fixed cover, and the spacing groove has been seted up to the top surface of first oil feed portion, the locating part bottom surface is provided with the piece that blocks that is connected with the spacing groove.
Preferably, the limiting groove is 1/4 arc-shaped.
Preferably, a heating wire harness is arranged on the heating cup at the bottom of the oil pumping body and connected with the wiring terminal.
The utility model discloses following beneficial effect has for prior art:
(1) the utility model discloses a pump oil heating prefilter, under low temperature environment, in the engine start-up process, second electronic valve opens, supply low-grade fuel to this internal supply of pump oil earlier through low-grade fuel oil inlet, and utilize pump oil heating prefilter to heat and supply the engine, wait after the engine starts, the temperature sensor of high-grade fuel oil inlet detects the oil temperature and rises to 0 ℃, vehicle ECU control second electronic valve closes, control first electronic valve simultaneously and open, supply high-grade fuel through the oil inlet of high-grade diesel oil, the utility model discloses a pump oil heating prefilter can be under different temperatures, switch corresponding label fuel and provide the fuel through pump oil heating prefilter for the engine, need not artifical manual operation, change oil through different label fuel, the problem of high-grade fuel wax deposition when having solved low temperature; when the external environment temperature is higher than the wax precipitation temperature of the fuel oil, the high-grade fuel oil is directly used for starting the vehicle, so that the transportation cost can be reduced in a high-temperature environment;
(2) the temperature sensor and the electronic valve are integrated on the oil pumping heating prefilter, so that the oil pumping heating prefilter is more intelligent; meanwhile, the electronic valve and the temperature sensor are integrated on the wiring terminal through a wiring harness, so that the whole oil pumping heating prefilter is integrated and modularized, the oil pumping heating prefilter is convenient to install and use on the whole vehicle, the communication connection with a vehicle ECU (electronic control unit) is convenient to establish through a CAN (controller area network) line, the arrangement of an oil pipe of the whole vehicle is simpler, and the installation and maintenance are convenient;
(3) through making electronic valve set to mechanical structure, on the one hand, can accurate regulation fuel supply flow, on the other hand, mechanical structure's electronic valve long service life is difficult to damage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of an oil pumping heating prefilter capable of switching high and low grade fuel oil according to the present invention;
fig. 2 is a schematic plan view of the oil pumping heating prefilter capable of switching high and low grade fuel oil disclosed by the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a schematic perspective view of the oil pumping body disclosed by the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at B;
the attached drawings are as follows:
1. an oil pumping body; 11. an oil pumping chamber; 12. an oil outlet; 13. a low-grade fuel oil inlet; 14. a high-grade fuel oil inlet; 2. a first electronic valve; 3. a second electronic valve; 4. a temperature sensor; 5. a wiring terminal; 6. a first oil inlet portion; 7. a second oil inlet portion; 61. a first oil inlet passage; 62. a first mounting hole; 71. a second oil inlet passage; 72. a second mounting hole; 21. a fixed seat; 22. rotating the motor; 23. a valve body; 24. a valve stem; 231. a through hole; 232. a clamping groove; 25. a seal ring; 26. fixing a sleeve; 27. a limiting member; 63. a limiting groove; 271. a blocking member; 8. the strand is heated.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in figure 1, combine figure 2, the embodiment of the utility model discloses a fuel pump oil heating prefilter of changeable height label, including pump oil body 1, this internal pump oil cavity 11 that is provided with of pump oil, the last oil-out 12 that is linked together with pump oil cavity 11 that is provided with of pump oil body 1, oil-out 12 are used for being connected with the engine, and pump oil body 1 is used for carrying out electric pump oil, heating wax removal, dewatering and filters three main functions. After being pumped into the oil pumping chamber 11, the fuel oil can be heated to wax and is supplied to the engine through the oil outlet 12, so that the normal starting operation of the engine is met.
The existing oil pumping heating prefilter is usually provided with only one oil inlet, two oil tanks are arranged on a vehicle, high-grade and low-grade diesel oil is manually controlled to pass through the oil pumping heating prefilter, the mode needs manual intervention, the high-grade fuel oil is not switched in time due to negligence of a driver, the engine continuously uses the low-grade fuel oil, and the engine uses the low-grade diesel oil for a long time to increase the vehicle fuel oil cost because the dynamic property and the economical property of the high-grade diesel oil are better than those of the low-grade diesel oil.
Therefore, the present embodiment is structurally improved on the basis of the existing oil pumping body 1, specifically, the oil pumping body 1 of the present embodiment is provided with a low-grade fuel oil inlet 13 and a high-grade fuel oil inlet 14 which are communicated with the oil pumping cavity 11, the low-grade fuel oil inlet 13 is connected with the low-grade fuel oil tank through an oil pipe, and is used for introducing low-grade fuel oil, such as-50 # diesel oil, into the oil pumping cavity 11, and the high-grade fuel oil inlet 14 is connected with the high-grade fuel oil through an oil pipe, and is used for introducing high-grade fuel oil, such as 0# diesel oil, into the oil pumping cavity 11. The low-grade fuel oil inlet 13 and the high-grade fuel oil inlet 14 are respectively provided with a first electronic valve 2 and a second electronic valve 3, and the first electronic valve 2 and the second electronic valve 3 are respectively used for opening the high-grade fuel oil inlet 14 and the low-grade fuel oil inlet 13. The high-grade fuel oil inlet 14 is provided with a temperature sensor 4, the first electronic valve 2 and the second battery valve are used for being connected with a vehicle ECU, and the vehicle ECU is used for acquiring temperature data by using the temperature sensor 4 and selectively controlling the first electronic valve 2 or the second electronic valve 3 to be started.
By adopting the technical scheme, in the low-temperature environment, in the starting process of the engine, the temperature sensor 4 detects that the temperature is lower than 0 degree, when the vehicle ECU acquires a low-temperature signal, the second electronic valve 3 is controlled to be opened, the low-grade fuel oil is supplied into the pump oil body 1 through the low-grade fuel oil inlet 13 firstly, the pump oil heating prefilter is utilized to heat and supply the fuel oil to the engine, after the engine is started, the temperature sensor 4 of the high-grade fuel oil inlet 14 detects that the oil temperature is increased to 0 ℃, the vehicle ECU controls the second electronic valve 3 to be closed, the first electronic valve 2 is controlled to be opened simultaneously, the high-grade fuel oil is supplied through the oil inlet of the high-grade diesel oil, the pump oil heating prefilter can switch the corresponding-grade fuel oil to supply the fuel oil for the engine through the pump oil heating prefilter at different temperatures without manual operation, and the fuel oil with different grades is changed, the problem of wax precipitation of high-grade fuel oil at low temperature is solved; when the external environment temperature is higher than the wax precipitation temperature of the fuel oil, the high-grade fuel oil is directly used for starting the vehicle, and the transportation cost can be reduced in a high-temperature environment.
It is worth noting that in the normal temperature starting and stopping process, the vehicle ECU can automatically control the first electronic valve 2 to be opened, and only high-grade fuel oil is supplied; during the low-temperature starting process, the vehicle ECU can automatically control the second electronic valve 3 to open through a low-frequency signal transmitted by the temperature sensor 4 so as to supply low-grade fuel oil.
It should be noted that, the vehicle ECU controls the electronic valve to open according to the temperature signal belongs to the prior art, and the embodiment does not relate to the improvement of the computer program.
In some preferred embodiments, the temperature sensor 4, the first electronic valve 2 and the second battery valve in the present embodiment are integrally connected to a terminal 5 through a wire harness, and the terminal 5 is connected to the vehicle ECU through a CAN line. By adopting the technical scheme, the temperature sensor 4 and the electronic valve are integrated on the oil pumping heating prefilter, so that the oil pumping heating prefilter is more intelligent; meanwhile, the electronic valve and the temperature sensor 4 are integrated on the wiring terminal 5 through a wiring harness, so that the whole oil pumping heating prefilter is integrated and modularized, the whole automobile is convenient to install and use, the communication connection is established with the vehicle ECU through a CAN line, the whole automobile oil pipe is simpler and more clean in arrangement, and the installation and the maintenance are convenient.
As some embodiments, in order to facilitate the improvement of the pump oil heating prefilter in the prior art, the high-grade and low-grade fuel oil can be switched, in this embodiment, a first oil inlet portion 6 and a second oil inlet portion 7 are horizontally and fixedly arranged on the side wall of the pump oil body 1, a first oil inlet channel 61 communicated with the pump oil chamber 11 is horizontally arranged in the first oil inlet portion 6, the high-grade fuel oil inlet 14 is located at one end of the first oil inlet portion 6, which is far away from the pump oil body 1, a first mounting hole 62 communicated with the first oil inlet channel 61 is vertically formed in the first oil inlet portion 6, the first electronic valve 2 is mounted between the first mounting hole 62 and the first oil inlet channel 61, and thus, the high-grade fuel oil can enter the pump oil chamber 11 through the first oil inlet channel 61 through the first electronic valve 2, and the high-grade diesel oil supply engine is realized.
A second oil inlet channel 71 communicated with the oil pumping chamber 11 is horizontally arranged in the second oil inlet portion 7, the low-grade fuel oil inlet 13 is located at one end, away from the oil pumping body 1, of the second oil inlet portion 7, a second mounting hole 72 communicated with the second oil inlet channel 71 is vertically formed in the second oil inlet portion 7, and the second electronic valve 3 is mounted between the second mounting hole 72 and the second oil inlet channel 71. By means of the arrangement, the low-grade fuel can enter the pumping chamber 11 through the second oil inlet channel 71 through the second electronic valve 3, and the low-grade diesel is supplied to the engine.
In the above embodiment, the first oil inlet portion 6 and the second oil inlet portion 7 may be mounted on the side wall of the oil pumping body 1, or may be integrally formed with the oil pumping body 1.
Referring to fig. 2 and 3, in this embodiment, the first electronic valve 2 and the second electronic valve 3 have the same structure, wherein the first electronic valve 2 includes a fixing seat 21, a rotating motor 22, a valve body 23 and a valve rod 24, the valve body 23 is spherical and is disposed in the first oil inlet channel 61 and directly faces the first mounting hole 62, a through hole 231 is formed in the central axis of the valve body 23, a clamping groove 232 is formed in the center of the top surface of one side of the valve body 23, which is far away from the through hole 231, the valve rod 24 is inserted into the first mounting hole 62, the lower section of the valve rod 24 is connected with the clamping groove 232, the upper end of the valve rod 24 is vertically and fixedly connected with the output shaft of the rotating motor 22, and the rotating motor 22 is fixedly mounted on the top surface of the first oil inlet portion 6 through the fixing seat 21. Therefore, in the initial state, the rotating motor 22 drives the valve rod 24 to rotate, so as to drive the spherical valve body 23 to horizontally rotate in the first oil inlet channel 61, so that the through hole 231 is far away from the first oil inlet channel 61, specifically, the axis of the through hole 231 is perpendicular to the flowing direction of the first oil inlet channel 61, at this time, the first oil-intake passage 61 is blocked by the valve body 23, the fuel cannot flow into the oil pumping chamber 11 through the first oil-intake passage 61, when the first oil inlet channel 61 is needed to supply oil to the oil pumping chamber 11, the rotating motor 22 drives the valve rod 24 to rotate in the opposite direction to drive the spherical valve body 23 to horizontally rotate in the first oil inlet channel 61, so that the through hole 231 is communicated with the first oil inlet channel 61, and at the moment, the fuel enters the first oil inlet channel 61 through the through hole 231 on the valve body 23 through the high-grade fuel oil inlet 14 and smoothly enters the oil pumping chamber 11. In the above embodiment, the first electronic valve 2 supplies and closes high-grade fuel, and since the first electronic valve 2 and the second electronic valve 3 have the same structure, the usage principle of the second electronic valve 3 is the same as that of the first electronic valve 2, and details are not described here.
This embodiment drives valve rod 24 through rotating motor 22 and rotates, and then drives globular valve body 23 gyration, and then can adjust the aperture of perforating hole 231 on the valve body 23 and first oil feed passageway 61 or second oil feed passageway 71 to regulation fuel supply flow that can be accurate, simultaneously, mechanical structure's valve switch action speed can be adjusted, simple structure, easy maintenance, long service life, and is not fragile.
In this embodiment, first electronic valve 2 still includes sealing ring 25, and sealing ring 25 is provided with two, along the vertical both sides of arranging at valve body 23 of first oil feed passageway 61 length direction, and sealing ring 25 is located between valve body 23 and the first mounting hole 62 for it is sealed to make to form between first oil feed passageway 61 and the first mounting hole 62, the one side that sealing ring 25 and valve body 23 contacted is the arc setting, when making things convenient for to rotate between valve body 23 and the sealing ring 25, and the laminating of face realizes the dynamic seal. From this setting, through the setting of above-mentioned technical scheme, can make and establish sealing connection through sealing ring 25 between valve body 23 and the first mounting hole 62, avoid the fuel in first oil feed passageway 61 to reveal through first mounting hole 62, in this embodiment, sealing ring 25 can be butadiene acrylonitrile rubber sealing washer, fluorine silicon rubber sealing washer etc..
In order to avoid the rotation overload of the rotating motor 22, referring to fig. 4 and 5, the first electronic valve 2 of the embodiment further includes a fixing sleeve 26 and a limiting member 27, the fixing sleeve 26 is screwed in the first mounting hole 62, the lower end of the fixing sleeve 26 is used for limiting the up-down movement of the valve rod 24, the limiting member 27 is fixedly disposed on the valve rod 24 and is disposed on the top surface of the fixing sleeve 26, a limiting groove 63 is disposed on the top surface of the first oil inlet portion 6, and a blocking member 271 connected with the limiting groove 63 is disposed on the bottom surface of the limiting member 27. Through setting up fixed cover 26, can make valve rod 24 inject in first mounting hole 62 at vertical direction, avoid valve rod 24 to reciprocate, make valve rod 24 and the joint groove 232 of valve body 23 break away from and be connected, when rotating motor 22 drive valve rod 24 and rotate, can slide in spacing groove 63 through the piece 271 that blocks of locating part 27 bottom to make valve rod 24 rotate at the angular range of regulation.
Specifically, in the present embodiment, the limiting groove 63 is formed in an 1/4 arc shape. Therefore, the valve rod 24 rotates in the range of 0-90 degrees, the valve body 23 can rotate in the angle of 0-90 degrees, when the valve body 23 rotates to 90 degrees, the through hole 231 in the valve body 23 and the first oil inlet channel 61 are exactly on the same axial line, and the first oil inlet channel 61 is completely opened by the valve body 23 through the through hole 231. When the valve body 23 rotates 90 degrees in the opposite direction, the axis of the through hole 231 of the valve body 23 is perpendicular to the axis of the first oil inlet passage 61, so that the valve body 23 can completely block the first oil inlet passage 61.
A heating wire harness 8 is arranged on a heating cup at the bottom of the oil pumping body 1, and the heating wire harness 8 is connected with the wiring terminal 5. Can accept vehicle ECU heating instruction through heating pencil 8, realize heating the fuel in the pump oil heating prefilter, heating pencil 8 is integrated with binding post 5 simultaneously, conveniently is connected with vehicle ECU through the CAN line, and convenient operation is connected to the pencil.
The utility model discloses a theory of operation is:
under the low temperature environment, in the process of starting the engine, the temperature sensor 4 detects that the temperature is lower than 0 degree, when the vehicle ECU acquires a low-temperature signal, the second electronic valve 3 is controlled to be opened, low-grade fuel is supplied into the pump oil body 1 through the low-grade fuel oil inlet 13 firstly, the pump oil heating prefilter is utilized for heating and supplying the engine, after the engine is started, the temperature sensor 4 of the high-grade fuel oil inlet 14 detects that the oil temperature is increased to 0 ℃, the vehicle ECU controls the second electronic valve 3 to be closed, the first electronic valve 2 is controlled to be opened simultaneously, high-grade fuel oil is supplied through the oil inlet of the high-grade diesel oil, the pump oil heating prefilter can switch corresponding grade fuel oil to provide fuel oil for the engine through the pump oil heating prefilter at different temperatures without manual operation, and oil change is carried out through different grade fuel oil, the problem of wax precipitation of high-grade fuel oil at low temperature is solved; when the external environment temperature is higher than the wax precipitation temperature of the fuel oil, the high-grade fuel oil is directly used for starting the vehicle, and the transportation cost can be reduced in a high-temperature environment.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a changeable high low fuel pump oil of marking heats prefilter, its includes pump oil body (1), be provided with pump oil cavity (11) in pump oil body (1), be provided with oil-out (12) that are linked together with pump oil cavity (11) on pump oil body (1), oil-out (12) are used for being connected its characterized in that with the engine: the oil pumping body (1) is provided with a low-grade fuel oil inlet (13) and a high-grade fuel oil inlet (14) which are communicated with the oil pumping cavity (11), the low-grade fuel oil inlet (13) is used for introducing low-grade fuel oil into the oil pumping cavity (11), the high-grade fuel oil inlet (14) is used for introducing high-grade fuel oil into the oil pumping cavity (11), a first electronic valve (2) and a second electronic valve (3) are respectively arranged on the high-grade fuel oil inlet (14) and the low-grade fuel oil inlet (13), a temperature sensor (4) is arranged on the high-grade fuel oil inlet (14), the temperature sensor (4), the first electronic valve (2) and the second battery valve are used for being connected with a vehicle ECU, the vehicle ECU is used for acquiring temperature data by using a temperature sensor (4) and selectively controlling the first electronic valve (2) or the second electronic valve (3) to be started.
2. The switchable high-low grade fuel oil pumping heating prefilter of claim 1 wherein: temperature sensor (4), first electronic valve (2) and second battery valve are connected with binding post (5) through pencil integration, binding post (5) are connected with vehicle ECU through the CAN line.
3. The switchable high-low grade fuel oil pumping heating prefilter of claim 1 wherein: the oil pump is characterized in that a first oil inlet portion (6) and a second oil inlet portion (7) are horizontally and fixedly arranged on the side wall of the oil pump body (1), a first oil inlet channel (61) communicated with the oil pumping cavity (11) is horizontally and horizontally arranged in the first oil inlet portion (6), the high-grade fuel oil inlet (14) is located at one end, away from the oil pump body (1), of the first oil inlet portion (6), a first mounting hole (62) communicated with the first oil inlet channel (61) is vertically formed in the first oil inlet portion (6), the first electronic valve (2) is mounted between the first mounting hole (62) and the first oil inlet channel (61), a second oil inlet channel (71) communicated with the oil pumping cavity (11) is horizontally arranged in the second oil inlet portion (7), and the low-grade fuel oil inlet (13) is located at one end, away from the oil pump body (1), of the second oil inlet portion (7), and a second mounting hole (72) communicated with the second oil inlet channel (71) is vertically formed in the second oil inlet part (7), and the second electronic valve (3) is mounted between the second mounting hole (72) and the second oil inlet channel (71).
4. The fuel pump heating prefilter of switchable high and low grade fuels according to claim 3 wherein: the first electronic valve (2) and the second electronic valve (3) have the same structure, wherein, the first electronic valve (2) comprises a fixed seat (21), a rotating motor (22), a valve body (23) and a valve rod (24), the valve body (23) is in a spherical shape and is arranged in the first oil inlet channel (61), and is opposite to the first mounting hole (62), a through hole (231) is arranged on the central axis of the valve body (23), a clamping groove (232) is arranged at the center of the top surface of one side of the valve body (23) far away from the through hole (231), valve rod (24) are inserted and are located in first mounting hole (62), and the hypomere of valve rod (24) is connected with joint groove (232), the upper end of valve rod (24) vertical phase go up with the output shaft fixed connection who rotates motor (22), rotate motor (22) through fixing base (21) fixed mounting at first oil feed portion (6) top surface.
5. The switchable high-low grade fuel oil pumping heating prefilter of claim 4 wherein: first electronic valve (2) still includes sealing ring (25), sealing ring (25) are provided with two, along vertical the arranging in both sides of valve body (23) of first oil feed passageway (61) length direction, and sealing ring (25) are located between valve body (23) and first mounting hole (62) for it is sealed to make to form between first oil feed passageway (61) and first mounting hole (62), sealing ring (25) are the arc setting with the one side that valve body (23) contacted.
6. The switchable high-low grade fuel pump oil heating prefilter of claim 5 wherein: first electronic valve (2) still include fixed cover (26) and locating part (27), fixed cover (26) threaded connection is in first mounting hole (62), and the lower extreme of fixed cover (26) is used for restricting valve rod (24) and reciprocates, and locating part (27) are fixed to be set up on valve rod (24), and set up the top surface at fixed cover (26), and spacing groove (63) have been seted up to the top surface of first oil feed portion (6), locating part (27) bottom surface is provided with and blocks piece (271) that are connected with spacing groove (63).
7. The switchable high-low grade fuel oil pumping heating prefilter of claim 6 wherein: the limiting groove (63) is arranged in an 1/4 arc shape.
8. The switchable high-low grade fuel pump oil heating prefilter of claim 2 wherein: the heating oil pump is characterized in that a heating wire harness (8) is arranged on a heating cup at the bottom of the oil pump body (1), and the heating wire harness (8) is connected with a wiring terminal (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221225459.8U CN217440191U (en) | 2022-05-19 | 2022-05-19 | Pump oil heating prefilter capable of switching high-low grade fuel oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221225459.8U CN217440191U (en) | 2022-05-19 | 2022-05-19 | Pump oil heating prefilter capable of switching high-low grade fuel oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440191U true CN217440191U (en) | 2022-09-16 |
Family
ID=83221016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221225459.8U Active CN217440191U (en) | 2022-05-19 | 2022-05-19 | Pump oil heating prefilter capable of switching high-low grade fuel oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217440191U (en) |
-
2022
- 2022-05-19 CN CN202221225459.8U patent/CN217440191U/en active Active
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