CN202867009U - Fuel pump controller - Google Patents
Fuel pump controller Download PDFInfo
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- CN202867009U CN202867009U CN 201220375267 CN201220375267U CN202867009U CN 202867009 U CN202867009 U CN 202867009U CN 201220375267 CN201220375267 CN 201220375267 CN 201220375267 U CN201220375267 U CN 201220375267U CN 202867009 U CN202867009 U CN 202867009U
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Abstract
The utility model discloses a fuel pump controller, which includes a power supply module, a control module and a drive module, wherein the power supply module is used for converting voltage provided by the whole vehicle into control voltage; the control module is connected with the power supply module, enters an operating mode under driving of the control voltage, receives and analyzes a control command of a fuel injection controller of the whole vehicle so as to obtain a demand fuel supply value and generate a fuel pump drive signal; the drive module is respectively connected with the control module and the fuel pump of the whole vehicle, analyzes the fuel pump drive signal to obtain the demand fuel supply value, and drive the fuel pump of the whole vehicle to rotate, so as to adjust the fuel supply amount to the demand fuel supply amount. The fuel pump controlled provided by the embodiment of the utility model, can control the fuel supply amount as per the demand, and can adjust the rotating speed of the fuel pump in real time, thereby realizing the purposes of accurately controlling the fuel supply amount, saving the energy consumption and prolonging the service life of the fuel pump.
Description
Technical field
The utility model relates to vehicle fuel feeding control technique field, particularly a kind of FPC Fuel Pump Controller.
Background technique
Traditional automobile fuel pump uses relay to move with maximum fuel delivery, rather than fuel feeding is accurately controlled as required, thereby causes too much energy loss, has reduced the life-span of fuel pump, does not meet the trend of energy-saving and emission-reduction.
The model utility content
The utility model one of is intended to solve the problems of the technologies described above at least to a certain extent or provides at least a kind of useful commerce to select.For this reason, the purpose of this utility model be to propose a kind of can realize to fuel delivery accurately control export according to actual needs the demand fuel delivery and prolong the fuel pump FPC Fuel Pump Controller in working life to control described fuel pump.
For achieving the above object, embodiment of the present utility model provides a kind of FPC Fuel Pump Controller, comprising: power module, and the voltage conversion that car load is provided generates control voltage; Control module, described control module links to each other with described power module, under the driving of described control voltage, enter mode of operation, receive and resolve the control command of fuel injection control apparatus of described car load obtaining demand fuel feeding value, and generate the fuel oil pump drive signal; Driver module, described driver module links to each other with the fuel pump of described control module and described car load respectively, resolve described fuel oil pump drive signal obtaining described demand fuel feeding value, and the fuel pump that drives described car load rotates to adjust fuel delivery to described demand fuel delivery.
According to the utility model embodiment's FPC Fuel Pump Controller, by receiving the instruction of fuel injection control apparatus, according to required fuel delivery, regulate in real time the rotating speed of fuel pump to regulate fuel delivery, thereby reach accurate control fuel delivery, energy efficient, the working life of prolongation fuel pump.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming embodiment's the description in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schematic diagram according to an embodiment's of the utility model FPC Fuel Pump Controller;
Fig. 2 is the schematic diagram according to another embodiment's of the utility model FPC Fuel Pump Controller;
Fig. 3 is the circuit diagram according to the utility model embodiment's FPC Fuel Pump Controller; And
Fig. 4 is the workflow diagram according to the utility model embodiment's FPC Fuel Pump Controller.
Embodiment
The below describes embodiment of the present utility model in detail, and described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the utility model, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in the terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be to be fixedly connected with, and also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
Below with reference to Fig. 1 to Fig. 4 the utility model embodiment's FPC Fuel Pump Controller is described.
As depicted in figs. 1 and 2, the FPC Fuel Pump Controller that provides of the utility model embodiment comprises: power module 100, control module 200 and driver module 400.
As shown in Figure 3, power module main unit 105 comprises voltage input end IN, voltage output end OUT and grounding end GND, and wherein, voltage output end OUT links to each other with control module 200, is used for to control module 200 output control voltages (BATT-out).
When car load was worked, voltage controling input end 101 received wake-up signal, by this wake-up signal wakes power module 100.When car load is not worked, wake-up signal will be controlled power module 100 and enter off position.Power input unit 102 receives the voltage of car after power module 100 is waken up.
In an example of the present utility model, the voltage of car load can be 14V.
Need to prove, the voltage of car load also needs above-mentioned vehicle voltage is processed owing to the situations such as reversal connection and surge voltage may occur in the circuit.
Particularly, the first anti-reverse unit 103 is between the voltage input end IN of power input unit 102 and power module main unit 105, reception is from the voltage of the car load of power input unit 102, and the voltage of this car load detected cut-off loop when detecting power module 100 reversal connection.
In an example of the present utility model, the first anti-reverse unit 103 can be diode.As shown in Figure 3, the forward end of diode D2 (being anode) links to each other with power input unit 102, and backward end (being negative electrode) links to each other with the voltage input end IN of Anti-surging unit 104 and power module main unit 105 respectively.Utilize the single-phase conducting principle of diode D2, when the both positive and negative polarity reversal connection of power supply, because no current produces, thereby can cut off the electricity supply electric current with subsequent conditioning circuit, reach the purpose of protective circuit.When the both positive and negative polarity of power supply is just connecing, output current to subsequent conditioning circuit.
One end of Anti-surging unit 104 links to each other the other end ground connection with the voltage input end IN of the first anti-reverse unit 103 and power module main unit 105 respectively.Anti-surging unit 104 can carry out clamp to the surge voltage in the voltage of car load, and with the voltage input end IN of the voltage transmission behind the clamp to power module main unit 105.
In an embodiment of the present utility model, Anti-surging unit 104 can suppress the TVS diode for transient voltage.As shown in Figure 3, the forward end ground connection (GND) of TVS diode D3, backward end links to each other with the voltage input end IN of the first counnter attack unit 102 and power module main unit respectively.Utilize the clamp principle of TVS diode D3; when the surge voltage in the voltage of car load surpasses the clamping voltage of TVS diode D3; the reverse leakage current of TVS diode D3 sharply increases, and large electric current will be released by TVS diode D3, thereby will reach the purpose of protective circuit.
The voltage output end OUT of the main unit 105 of power module links to each other with Anti-surging unit 104, to carry out through the voltage behind Anti-surging unit 104 clamps transformation and process to generate stable control voltage (BATT-out), and should control Voltage-output to control module 200.
In an example of the present utility model, the voltage behind 105 pairs of clamps of the main unit of power module carries out step-down to be processed, and control voltage (BATT-out) can be 5V.
In an embodiment of the present utility model, the utility model embodiment's FPC Fuel Pump Controller also comprises communication module 300.Communication module 300 links to each other with the fuel injection control apparatus 3000 of control module 200 and car load respectively, is used for the instruction between control module 200 and the fuel injection control apparatus 3000 is transmitted.Need to prove, communication module 300 also links to each other with other controllers of car load, to realize communicating by letter between above-mentioned other controllers and the control module 200.
In an embodiment of the present utility model, communication module 300 can be the CAN of controller local area network EBI or Interconnected network LIN EBI.
In an example of the present utility model, control module 200 can be micro-control unit MCU.
Particularly, as shown in Figure 3, two control signals of control module 200 outputs are respectively MCU(1) and MCU(2).Wherein, MCU(1) connect the base stage of triode Q3, MCU(2) and connect the base stage of triode Q4.The emitter of Q3 links to each other with the collector electrode of Q4, collector electrode connecting resistance R1, R2 and the R3 of Q3.The grounded-emitter connection of Q4 (GND).Wherein, triode Q3 and Q4, resistance R 1 and R2 adopt Redundancy Design, thereby can increase the Security of circuit.
During normal operation, MCU (1) is high level, and Q3 is normally open.MCU (2) is the pulse width modulation (PWM) ripple.When Q4 opened, the grid of MOSFET pipe Q1 was low level, the Q1 conducting.Wherein, Q1 is P type MOSFET pipe, and its grid links to each other with resistance R 3, and it is BATT-out that drain electrode meets control voltage VB().
Because moving VB(on the grid of N-type MOSFET pipe Q2 is BATT-out), so Q2 is on state always, when the Q1 conducting, fuel pump 2000 is started working, the electric current of the fuel pump 2000 of flowing through increases gradually.When Q4 turn-offs, the grid of Q1 is high level, Q1 turn-offs, and the electric current of the fuel pump 200 of flowing through this moment reaches maximum value, and fuel pump 2000 will rely on inertia to work on before state, but the fuel pump electric current of flowing through will reduce gradually, when next high level arrived, Q1 opened again, and fuel pump 2000 is started working again, fuel pump 2000 electric currents of flowing through increase again, circulate with this.The grid of N-type MOSFET pipe Q2 meets VB by resistance R 4, source ground.
In an embodiment of the present utility model, by regulating MCU(2) dutycycle of the PWM ripple of output, realize the control to the rotating speed of fuel pump 2000.
In an embodiment of the present utility model, utilize the N-type MOSFET pipe Q2 that often opens to realize anti-reverse.Particularly, when reverse power connection, namely VB is reverse, not conducting of Q2, thus reach the purpose of protecting control module 200 and fuel pump 2000.Because internal resistance is very little during N-type MOSFET conducting, so the heating of circuit also seldom, thereby prevent from damaging controller and oil pump, the reliability of the circuit of increase because the power supply wire harness connects instead.
In another embodiment of the present utility model, driver module 400 also comprises the fault collection unit, detect to drive the anodal waveform of fuel pump, will pass through MCU(3 through the voltage waveform after resistance R 5 and the R6 dividing potential drop) be transferred to control module 200.Control module compares the PWM ripple of this waveform and MCU (2), as finds inconsistently, namely is judged as fault.Control module 200 by gathering the fault collection unit information and diagnose, again the dependent failure diagnostic message is sent to other control units by communication module 300, to be taken appropriate measures according to diagnostic message by other control units.For example, diagnostic equipment or instrument are lighted warning light receiving the dependent failure diagnostic message, with the prompting staff.
As shown in Figures 2 and 3, the utility model embodiment's FPC Fuel Pump Controller also comprises liquid level acquisition module 500.Wherein, liquid level acquisition module 500 links to each other with control module 200, can gather the oil plant liquid level signal of the fuel tank of car load, and this oil plant liquid level signal is sent to control module 200.Resolved by 200 pairs of these oil plant liquid level signals of control module, thereby obtain the liquid level of the oil plant of fuel tank.After the control module 200 acquisition business, further by communication module 300 instrument that liquid level signal is sent to car load is shown.The oil plant liquid level that is shown fuel tank by the instrument of car load.
As shown in Figure 3, FPC Fuel Pump Controller also comprises liquid level acquisition module 500.Wherein, liquid level acquisition module 500 can be slide rheostat R7.The end of slide rheostat R7 links to each other the other end ground connection with control voltage VB.The buoys float of fuel pump 2000 is on the fuel oil surface, and along with the variation of liquid level, the position of float changes.Thereby the resistance of the resistance of the slide rheostat R7 that links to each other with float also changes.Control module 200 can pass through to gather the voltage of slide rheostat R7, and judges the liquid level of fuel tank according to the voltage of slide rheostat R7.
In an embodiment of the present utility model, FPC Fuel Pump Controller also has the function of collision oil-break.Particularly, send special safety command oil fuel feed pump controller by other control units (for example airbag control unit), control module 200 receives this instruction by communication module 300, make an immediate response, close the PWM output of MCU (2), control fuel pump 3000 stops, and no longer comprehends the instruction of fuel injection control apparatus.
Below with reference to Fig. 4 the workflow of the utility model embodiment's FPC Fuel Pump Controller is described.
Step S101, power supply control enables.
Step S102, control module 200 enters mode of operation.
Step S103 gathers the oil plant liquid level, and the liquid level information that collects is sent to the instrument demonstration, and the fault message of Monitoring and Controlling module 200.When detecting without oil plant and fault arranged, execution in step S104; When having detected oil plant and fault-free, execution in step S105.
Step S104 sends warning message to instrument, process ends.
Step S105, full-speed operation oil pump 1 ~ 3 second keeps transport pipe pressure, closes fuel pump again.
Step S106 waits for fuel Injection Control unit instruction, if instruction is arranged, and execution in step S108 then; If without instruction, execution in step S108 then.
Step S107 continues to wait for.
Step S108 drives the fuel delivery that fuel pump provides instruction by command request.
Step S109 has judged whether the collision alarm instruction, if do not have, and execution in step S110 then, otherwise execution in step S111.
Step S110 stops fuel pump immediately, and fuel oil, process ends no longer are provided.
Step S111 receives the instruction of fuel injection control apparatus, drives the fuel delivery that fuel pump provides instruction according to command request.
Step S112 gathers the oil plant liquid level, and transmission information shows to instrument, and detects the fault message of control module.If detect without oil plant and fault arranged, execution in step S113 then; If oil plant and fault-free are arranged, execution in step S114 then.
Step S113 sends warning message to instrument, and stops fuel pump running, process ends.
Step S114 judges whether to receive the cancellation fuel feeding instruction of fuel injection control apparatus, if so, and execution in step S115 then, otherwise execution in step S109.
Step S115 stops the fuel pump running, detects power control signal.If power control signal is effective, execution in step S103 then; If power control signal is invalid, execution in step S116 then.
Step S116, control module 200 quits work or the penetration depth dormancy, and conserve energy waits for that next time power supply control enables.
According to the utility model embodiment's FPC Fuel Pump Controller, by receiving the instruction of fuel injection control apparatus, according to required fuel delivery, regulate in real time the rotating speed of fuel pump to regulate fuel delivery, thereby reach accurate control fuel delivery, energy efficient, the working life of prolongation fuel pump.In addition, FPC Fuel Pump Controller gathers oil tank liquid level simultaneously, is real-time transmitted to instrument and shows.When not having oil plant, the autoshutdown oil pump prevents fuel pump idle running, prolongs the fuel pump life-span simultaneously.FPC Fuel Pump Controller is diagnosed with faults itself in addition, anti-reverse function, and Anti-surging function, and collision oil-break function are protected its reliability, Security, convenience, are beneficial to car load and use, and scale is promoted.
Describe and to be understood in the flow chart or in this any process of otherwise describing or method, expression comprises the module of code of the executable instruction of the step that one or more is used to realize specific logical function or process, fragment or part, and the scope of preferred implementation of the present utility model comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by opposite order, carry out function, this should be understood by embodiment person of ordinary skill in the field of the present utility model.
In flow chart the expression or in this logic of otherwise describing and/or step, for example, can be considered to the sequencing tabulation for the executable instruction that realizes logical function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (such as the computer based system, comprise that the system of processor or other can and carry out the system of instruction from instruction execution system, device or equipment instruction fetch), or use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can comprise, storage, communication, propagation or transmission procedure be for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The more specifically example of computer-readable medium (non-exhaustive list) comprises following: the electrical connection section (electronic equipment) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), ROM (read-only memory) (ROM), the erasable ROM (read-only memory) (EPROM or flash memory) of editing, fiber device, and portable optic disk ROM (read-only memory) (CDROM).In addition, computer-readable medium even can be paper or other the suitable media that to print described program thereon, because can be for example by paper or other media be carried out optical scanner, then edit, decipher or process to obtain described program in the electronics mode with other suitable methods in case of necessity, then it is stored in the computer storage.
Should be appreciated that each several part of the present utility model can realize with hardware, software, firmware or their combination.In the above-described embodiment, a plurality of steps or method can realize with being stored in the storage and by software or firmware that suitable instruction execution system is carried out.For example, if realize with hardware, the same in another embodiment, can realize with the combination of each or they in the following technology well known in the art: have for the discrete logic of data-signal being realized the logic gates of logical function, specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that and realize that all or part of step that above-described embodiment method is carried is to come the relevant hardware of instruction to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises step of embodiment of the method one or a combination set of when carrying out.
In addition, each functional unit in each embodiment of the utility model can be integrated in the puocessing module, also can be that the independent physics of unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
The above-mentioned storage medium of mentioning can be ROM (read-only memory), disk or CD etc.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiments or example.
Although the above has illustrated and has described embodiment of the present utility model, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art is not in the situation that break away from principle of the present utility model and aim can change above-described embodiment, modification, replacement and modification in scope of the present utility model.
Claims (8)
1. a FPC Fuel Pump Controller is characterized in that, comprising:
Power module, the voltage conversion that car load is provided generates control voltage;
Control module, described control module links to each other with described power module, under the driving of described control voltage, enter mode of operation, receive and resolve the control command of fuel injection control apparatus of described car load obtaining demand fuel feeding value, and generate the fuel oil pump drive signal; And
Driver module, described driver module links to each other with the fuel pump of described control module and described car load respectively, resolve described fuel oil pump drive signal obtaining described demand fuel feeding value, and the fuel pump that drives described car load rotates to adjust fuel delivery to described demand fuel delivery.
2. FPC Fuel Pump Controller as claimed in claim 1 is characterized in that, described power module comprises:
The power module main unit is used for exporting described control voltage to described control module, and wherein, described power module main unit comprises voltage input end, voltage output end and grounding end, and described voltage output end links to each other with described control module;
The power supply control input end receives wake-up signal to wake described power module up;
Power input unit is used for receiving the voltage of described car load after waking described power module up;
The first anti-reverse unit, the described first anti-reverse unit detect the voltage of described car load between the voltage input end of described power input unit and described power module main unit, and when detecting described power module reversal connection cut-off loop;
The Anti-surging unit, one end of described Anti-surging unit links to each other with the voltage input end of the described first anti-reverse unit and described power module main unit respectively, the other end ground connection, be used for the surge voltage of the voltage of described car load is carried out clamp, and with the voltage input end of the voltage transmission behind the clamp to described power module main unit; Wherein, the voltage of described power module main unit after with described clamp carries out transformation and processes to generate control voltage, and exports described control module to.
3. FPC Fuel Pump Controller as claimed in claim 2, it is characterized in that, the described first anti-reverse unit is diode, wherein, the forward end of described diode links to each other with described power input unit, and the backward end of described diode links to each other with the voltage input end of described Anti-surging unit and described power module main unit respectively.
4. FPC Fuel Pump Controller as claimed in claim 2, it is characterized in that, described Anti-surging unit is that transient voltage suppresses the TVS diode, wherein, the forward end ground connection of described TVS diode, backward end link to each other with the voltage input end of the described first anti-reverse unit and described power module main unit respectively.
5. such as each described FPC Fuel Pump Controller of claim 1-4, it is characterized in that, also comprise:
Communication module, described communication module link to each other with the fuel injection control apparatus of described control module and described car load respectively, and the instruction between the fuel injection control apparatus of described control module and described car load is transmitted.
6. FPC Fuel Pump Controller as claimed in claim 5 is characterized in that, described communication module is the CAN of controller local area network EBI or local interconnect network LIN EBI.
7. FPC Fuel Pump Controller as claimed in claim 1, it is characterized in that, also comprise: the liquid level acquisition module, described liquid level acquisition module is slide rheostat, wherein, described slide rheostat links to each other with float in the described fuel tank, according to the position adjusting resistance value of described float with respect to pasta, described control module gathers the voltage of described slide rheostat, and judges the liquid level of described fuel tank according to the voltage of described slide rheostat.
8. FPC Fuel Pump Controller as claimed in claim 7 is characterized in that, described control module is sent to described liquid level by described communication module the instrument of described car load to show the liquid level information of described fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220375267 CN202867009U (en) | 2012-07-31 | 2012-07-31 | Fuel pump controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220375267 CN202867009U (en) | 2012-07-31 | 2012-07-31 | Fuel pump controller |
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| Publication Number | Publication Date |
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| CN202867009U true CN202867009U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220375267 Expired - Lifetime CN202867009U (en) | 2012-07-31 | 2012-07-31 | Fuel pump controller |
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| CN (1) | CN202867009U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832293A (en) * | 2014-12-11 | 2015-08-12 | 北汽福田汽车股份有限公司 | Vehicle oil pumping amount adjusting method, fuel oil feeding system, oil pump adjuster and oil pump |
| CN105298701A (en) * | 2015-11-11 | 2016-02-03 | 北汽福田汽车股份有限公司 | Automobile and control method and control system for fuel oil supply amount of automobile |
| CN106555722A (en) * | 2017-01-04 | 2017-04-05 | 北京长安汽车工程技术研究有限责任公司 | It is a kind of to become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel punp fuel supply method |
-
2012
- 2012-07-31 CN CN 201220375267 patent/CN202867009U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832293A (en) * | 2014-12-11 | 2015-08-12 | 北汽福田汽车股份有限公司 | Vehicle oil pumping amount adjusting method, fuel oil feeding system, oil pump adjuster and oil pump |
| CN105298701A (en) * | 2015-11-11 | 2016-02-03 | 北汽福田汽车股份有限公司 | Automobile and control method and control system for fuel oil supply amount of automobile |
| CN105298701B (en) * | 2015-11-11 | 2018-01-19 | 北汽福田汽车股份有限公司 | A kind of automobile and its fuel delivery amount control method and control system |
| CN106555722A (en) * | 2017-01-04 | 2017-04-05 | 北京长安汽车工程技术研究有限责任公司 | It is a kind of to become discharge capacity electric fuel oil pumping system and become discharge capacity electric fuel punp fuel supply method |
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Granted publication date: 20130410 |