CN205370934U - Pump starting drive that built -in controller formula is brushless - Google Patents
Pump starting drive that built -in controller formula is brushless Download PDFInfo
- Publication number
- CN205370934U CN205370934U CN201521124356.2U CN201521124356U CN205370934U CN 205370934 U CN205370934 U CN 205370934U CN 201521124356 U CN201521124356 U CN 201521124356U CN 205370934 U CN205370934 U CN 205370934U
- Authority
- CN
- China
- Prior art keywords
- check valve
- controller
- brushless pump
- containing cavity
- brushless
- 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
Abstract
The utility model discloses a pump starting drive that built -in controller formula is brushless, including filter, brushless pump, check valve subassembly and controller, the filter includes filter body and filter base, and filter base includes main part and end cover, the main part is equipped with the joint of oil inlet, oil -out, cavity and intercommunication filter body and cavity, and end cover and main part detachably interconnect, this end cover include an inside cavity. The controller sets up in the inside cavity of end cover, and the signal output part of controller is connected with the power input of brushless pump end electricity. The utility model discloses move reliable, small, the compact structure of being convenient for maintain, install, also more adapt to diesel oil oil environment internal at present simultaneously.
Description
Technical field
This utility model relates to a kind of device under low engine speed starting state with automatic-discharging function.
Background technology
High pressure co-rail system is while improving fuel-injection pressure, under low engine speed starting state or under cryogenic conditions, low pressure oil way tends not to automatic-discharging, causes engine start shakiness, difficulty in starting or stops working suddenly, reducing vehicle driver and crew's operation comfort.It is thus desirable to a device under low engine speed starting state with automatic-discharging function.
Common automatic emptier is to increase a startup pump between high pressure co-rail system and coarse filter or startup pump is arranged on filter base, owing to mounting structure is more complicated, shared volume is relatively larger, often cannot install on cylinder wall for low discharge capacity Diesel engine.Additionally, startup pump in both mounting structures adopts brushed DC motor as power source, brushed DC motor commutates mechanically, thus there is mechanical friction, and then the deadly defect such as bring noise, electric spark, radio interference and life-span short.Further, since the motor starting pump is that entirety is immersed among diesel oil, and the cleannes of diesel oil are very big on electrical machinery life impact, once diesel quality is not good, starts the brushed DC motor in pump and are easy to occur inordinate wear, and then cause that whole startup pump lost efficacy.
Summary of the invention
Technical problem to be solved in the utility model is in that to overcome the drawbacks described above of prior art, it is provided that one is reliable, be easy to maintenance, installation volume is little, the structure overall compact built-in controller brushless pump activation device of formula.
For solving above-mentioned technical problem, this utility model be the technical scheme is that
A kind of brushless pump activation device of built-in controller formula, including filter and check valve assembly, filter includes filter body and filter base, and filter base includes main part and end cap；Main part is provided with the joint of oiler, oil-out, chamber and connection filter body and chamber；End cap and main part are detachably interconnected, and it is characterized in that, this end cap includes an internal cavities；This brushless pump activation device of built-in controller formula also includes brushless pump and controller；Controller is arranged in the internal cavities of end cap, and the signal output part of controller electrically connects with the power input of brushless pump；The chamber of main part includes the brushless pump containing cavity of accommodating brushless pump and the check valve containing cavity of accommodating check valve assembly；Joint has an input port and two delivery outlets, and check valve containing cavity has two input ports and a delivery outlet；The input port of joint connects with the inside of filter body, a delivery outlet of joint and the inlet communication of brushless pump, and another delivery outlet connects with one of them input port of check valve containing cavity；Another input port of check valve containing cavity and the outlet of brushless pump, the delivery outlet of check valve containing cavity connects with described oil-out；Check valve assembly is between one of them input port and the delivery outlet of check valve containing cavity of check valve containing cavity.
Above-mentioned a kind of brushless pump activation device of built-in controller formula, wherein, check valve assembly includes the spool, spring, valve seat, jump ring and the plug cock that are set in sequence in check valve containing cavity, described spring-loaded is on described valve seat, and applies to close the elastic force of one of them input port of described check valve containing cavity to described spool；Described spool and described plug cock are arranged with sealing ring respectively.
Above-mentioned a kind of brushless pump activation device of built-in controller formula, wherein, brushless pump containing cavity has a blind end and an opening, and end cap covers opening.
Above-mentioned a kind of brushless pump activation device of built-in controller formula, wherein, controller is single-chip microcomputer.
Above-mentioned a kind of brushless pump activation device of built-in controller formula, wherein, filter base is bolted and is fixed on the cylinder wall of Diesel engine or on automobile chassis support.
Above-mentioned a kind of brushless pump activation device of built-in controller formula, wherein, filter also includes collecting bowl and heater, and heater is arranged in this collecting bowl.
After adopting technique scheme so that this utility model at least has the advantage that
1. brushless pump is directly installed in filter base by this utility model, makes fuel oil first pass through filter and filters, then through brushless pump, it is achieved that low pressure oil way automatic-discharging function；In addition, compared with the startup pump of existing employing brushed DC motor, brushless pump of the present utility model adopts brshless DC motor as power source, owing to not adopting brush to commutate, thus it is absent from the shortcomings that mechanical commutation brings, and the cleannes of diesel oil are insensitive, thus considerably increasing operational reliability and the service life of pump, also more adapt to diesel fuel oil environment domestic at present simultaneously；
2. in the brushless pump activation device of built-in controller formula of the present utility model, controller is set directly in the internal cavities of filter base end cap, thus eliminating the space restriction produced when installing controller, and decrease the length of the electric wire that controller is electrically connected to brushless pump, reduce the voltage drop in electric wire and improve the operational efficiency of pump, additionally, due to be used for the housing of controller without independent injection molding system, also simplify the manufacture of brushless pump activation device and assembling process；
3., when engine ignition switch is opened, brushless pump of the present utility model can under the control of the controller automatically by the time service (being typically set to 1 minute) preset, and after electromotor normally starts, brushless pump is automatically stopped；
4. in the brushless pump activation device of built-in controller formula of the present utility model, brushless pump and cleaner case integrated installation, reduce integral installation volume, have more remaining space after making installation, achieve the miniaturization of structure, it is therefore prevented that the interference that product is unnecessary after installing；
5. this utility model is integrated with one-way valve structures on cleaner case, eliminate check valve valve body, simplify check valve external structure, effectively prevent this system inner loop when emptying, improve emptying efficiency, it is ensured that high pressure co-rail system can obtain predetermined pressure under Diesel engine low rate start state；
6., for meeting the requirement that different electromotor is installed, this utility model, also by changing filter base structure and position of mounting hole, realizes and meets the functional requirement of automotive Diesel engine complete system plant under the premise not changing overall product structure.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the general illustration of a kind of brushless pump activation device of built-in controller formula according to this utility model one embodiment.
Fig. 3 is the explosive view of a kind of brushless pump activation device of built-in controller formula according to this utility model one embodiment.
Fig. 4 is the section components explosive view of a kind of brushless pump activation device of built-in controller formula according to this utility model one embodiment.
Fig. 5 illustrates the fuel oil flow graph when brushless pump of a kind of brushless pump activation device of built-in controller formula according to this utility model one embodiment starts.
Fig. 6 illustrates the fuel oil flow graph when brushless pump of a kind of brushless pump activation device of built-in controller formula according to this utility model one embodiment stops.
Detailed description of the invention
Below in conjunction with accompanying drawing this utility model made and further illustrating.
Referring to figs. 1 to Fig. 4.A kind of brushless pump activation device of built-in controller formula according to this utility model one embodiment includes filter 1, brushless pump 2, check valve assembly 3 and controller 4.
Filter 1 includes filter body 5, the be connected to filter body filter base 6 of fuel-displaced oral area, collecting bowl 7 and be arranged on the heater in this collecting bowl 7.Filter base 6 includes main part 6a and end cap 6b.Main part 6a is provided with joint 60, oiler 61 and an oil-out 62 of a chamber, connection filter body 5 and this chamber.Chamber includes the brushless pump containing cavity 63 of accommodating brushless pump 2 and the check valve containing cavity 64 of accommodating check valve assembly 3.Brushless pump containing cavity 63 has a blind end and an opening, and end cap 6b covers opening, and is detachably interconnected by multiple threaded fasteners 81 with main part 6a.The outer peripheral face of brushless pump 2 is arranged with O RunddichtringO 21.In the present embodiment, being additionally provided with a joint that can be in communication with the outside 65 on main part 6a, this joint plug cock 85 clogs, and is provided with sealing ring 84, as shown in Figure 4 on plug cock 85.
End cap 6b includes an internal cavities 69b, and controller 4 is arranged in the internal cavities 69b of end cap, and the signal output part of controller 4 electrically connects with the power input of brushless pump 2.In the present embodiment, controller 4 is single-chip microcomputer.Owing to controller 4 is set directly in the internal cavities of filter base end cap 6b, thus eliminating the space restriction produced when installing controller 4, and decrease the length of the electric wire that controller 4 is electrically connected to brushless pump 2, reduce the voltage drop in electric wire and improve the operational efficiency of pump, in addition, owing to being used for the housing of controller without independent injection molding system, also simplify the manufacture of brushless pump activation device and assembling process.
In conjunction with shown in Fig. 5 and Fig. 6.Joint 60 extend in filter body 5.Joint 60 has an input port 601 and two delivery outlets 602,603, and check valve containing cavity 64 has 641,642 and one, two input ports delivery outlet 643.The input port 601 of joint 60 connects with the inside of filter body 5, and the inlet communication of a delivery outlet of joint 60 602 and brushless pump 2, another delivery outlet 603 connects with one of them input port 641 of check valve containing cavity 64.Another input port 642 of check valve containing cavity 64 and the outlet of brushless pump 2, the delivery outlet 643 of check valve containing cavity 64 connects with oil-out 62.Check valve assembly 3 is between one of them input port 641 and delivery outlet 643 of check valve containing cavity of check valve containing cavity.Check valve assembly 3 allows fuel oil to be flowed to check valve containing cavity 64 by the delivery outlet 603 of joint 60.Check valve assembly 3 includes the spool 32, spring 33, valve seat 34, jump ring 35 and the plug cock 37 that are set in sequence in check valve containing cavity 64.Spring 33 is supported on valve seat 34, applies the elastic force of a closedown input port 641 to spool 32.Jump ring 35 is for carrying out axial limiting to valve seat 34.Spool 32 is arranged with O RunddichtringO 31, plug cock 37 is arranged with O RunddichtringO 36.
The outer peripheral face of collecting bowl 7 is arranged with O RunddichtringO 71.
The work process of a kind of brushless pump activation device of built-in controller formula according to this utility model one embodiment is as follows:
When driver and crew open automobile ignition switch, by ECU(or ECM of electromotor) or car battery provides input power to this startup device, and this startup device is opened, and engine fuel pipeline oil pressure raises, and starts emptying.Brushless pump 2 works, and produces a pressure differential, and diesel liquid moves along with pressure differential, until entering filter and fuel passage, it is ensured that the common rail system of electromotor can obtain predetermined pressure.The flow path of diesel oil is as illustrated by arrows 5, diesel liquid is flowed in filter body 5 by pipeline by the oiler 61 of filter base under the effect of the pressure, after filter body filters, it is flowed into the chamber of filter base from the input port 601 of the joint 60 of filter base, then in turn through the delivery outlet 602 of joint 60, brushless pump 2, the input port 642 of check valve containing cavity 64, delivery outlet 643, then it is fed to the common rail system of electromotor from the oil-out 62 of filter base 6.In the process, check valve assembly 3 can play the unidirectional effect of damming, it is prevented that diesel oil is internal recycle between filter base and filter body, and diesel oil is without check valve assembly.After electromotor normally starts, brushless pump 2 quits work, and the flow path of diesel oil is as indicated by the arrows in fig. 6.Diesel oil is directly flowed in filter body 5 from the oiler 61 of filter base, after filter body 5 filters, enter into the chamber of filter base again from the input port 601 of the joint 60 of filter base, then pass through the input port 641 of check valve containing cavity 64, check valve assembly 3, delivery outlet 643 flow out from the oil-out 62 of filter base, and the diesel oil of outflow is fed to the high pressure co-rail system of electromotor.
Brushless pump of the present utility model adopts brshless DC motor as power source, owing to not adopting brush to commutate, thus it is absent from the shortcomings that mechanical commutation brings, and the cleannes of diesel oil are insensitive, thus considerably increasing operational reliability and the service life of pump, also more adapt to diesel fuel oil environment domestic at present simultaneously.The outer surface of the available engine cylinder wall of this utility model or automobile chassis support are as the installation supporting surface of this automatic emptier, and offer two bolts hole on filter base for fixing.
Claims (7)
1. the brushless pump activation device of built-in controller formula, including filter and check valve assembly, described filter includes filter body and filter base, and described filter base includes main part and end cap；Described main part is provided with oiler, oil-out, chamber and connects described filter body and the joint of described chamber；Described end cap and described main part are detachably interconnected；It is characterized in that, described end cap includes an internal cavities；
The described brushless pump activation device of built-in controller formula also includes brushless pump and controller；Described controller is arranged in the internal cavities of described end cap, and the signal output part of described controller electrically connects with the power input of described brushless pump；
The chamber of described main part includes the brushless pump containing cavity of accommodating described brushless pump and the check valve containing cavity of accommodating described check valve assembly；
Described joint has an input port and two delivery outlets, and described check valve containing cavity has two input ports and a delivery outlet；The input port of joint connects with the inside of filter body, a delivery outlet of joint and the inlet communication of brushless pump, and another delivery outlet connects with one of them input port of check valve containing cavity；Another input port of check valve containing cavity and the outlet of brushless pump, the delivery outlet of check valve containing cavity connects with described oil-out；Described check valve assembly is between the delivery outlet of one of them input port of described check valve containing cavity and described check valve containing cavity.
2. a kind of brushless pump activation device of built-in controller formula as claimed in claim 1, it is characterized in that, described check valve assembly includes the spool, spring, valve seat, jump ring and the plug cock that are set in sequence in check valve containing cavity, described spring-loaded is on described valve seat, and applies to close the elastic force of one of them input port of described check valve containing cavity to described spool.
3. the brushless pump activation device of built-in controller formula as claimed in claim 2 a kind of, it is characterised in that described spool and be arranged with sealing ring on described plug cock respectively.
4. a kind of brushless pump activation device of built-in controller formula as claimed in claim 1, it is characterised in that described brushless pump containing cavity has a blind end and an opening, and described end cap covers described opening.
5. a kind of brushless pump activation device of built-in controller formula as claimed in claim 1, it is characterised in that described controller is single-chip microcomputer.
6. a kind of brushless pump activation device of built-in controller formula as claimed in claim 1, it is characterised in that described filter base is bolted and is fixed on the cylinder wall of Diesel engine or on automobile chassis support.
7. a kind of brushless pump activation device of built-in controller formula as claimed in claim 1, it is characterised in that described filter also includes collecting bowl and heater, and described heater is arranged in this collecting bowl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521124356.2U CN205370934U (en) | 2015-12-31 | 2015-12-31 | Pump starting drive that built -in controller formula is brushless |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521124356.2U CN205370934U (en) | 2015-12-31 | 2015-12-31 | Pump starting drive that built -in controller formula is brushless |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205370934U true CN205370934U (en) | 2016-07-06 |
Family
ID=56257891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521124356.2U Active CN205370934U (en) | 2015-12-31 | 2015-12-31 | Pump starting drive that built -in controller formula is brushless |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205370934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578636A (en) * | 2019-10-11 | 2019-12-17 | 浙江科博达工业有限公司 | Automatic fuel oil emptying device |
-
2015
- 2015-12-31 CN CN201521124356.2U patent/CN205370934U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578636A (en) * | 2019-10-11 | 2019-12-17 | 浙江科博达工业有限公司 | Automatic fuel oil emptying device |
| CN110578636B (en) * | 2019-10-11 | 2021-05-25 | 浙江科博达工业有限公司 | Automatic fuel oil emptying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5778926A (en) | Pressure regulating valve and fuel supply system using the same | |
| US7210465B2 (en) | Fuel supply device for fuel returnless system | |
| CN202140212U (en) | Fuel-oil automatic emptying device with multifunctional filter capacity | |
| US10056800B2 (en) | Fluid delivery module | |
| JP2007291867A (en) | Fuel supply module | |
| KR20080082424A (en) | Fuel supply system | |
| CN101936243B (en) | Device for automatically emptying fuel oil in low-pressure oil circuit of diesel engine | |
| JP2008121664A (en) | Fuel pump and filter assembly | |
| JP2004522068A (en) | Fuel pumping equipment used for automobiles | |
| CN102269089B (en) | Diesel filter system with design-optimized low-pressure oil way | |
| WO2019133327A1 (en) | Systems for reducing backpressure in filters including a pumping assembly | |
| CN205370934U (en) | Pump starting drive that built -in controller formula is brushless | |
| JP2009236006A (en) | Fuel supply device | |
| CN205349592U (en) | Brushless pump starting drive of external controller formula | |
| JPWO2006115014A1 (en) | Fuel supply device | |
| CN201714533U (en) | Diesel filter assembly with automatic low-tension oilway emptier | |
| CN102052215A (en) | Electric fuel pump for motorcycle | |
| CN202545076U (en) | Automatic emptying device for oil path of diesel engine | |
| JP5048265B2 (en) | Fuel supply module | |
| JP5880979B2 (en) | Fuel pump module | |
| CN201810434U (en) | Automatic emptier with fuel filter | |
| CN201802530U (en) | Automatic emptying device for fuel oil of low-pressure oil passage of diesel engine | |
| WO2017163835A1 (en) | Fuel supply device | |
| CN109224547B (en) | Filter and vehicle | |
| JP2007291863A5 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |