CN218549792U - Motor control device, fuel pump and vehicle - Google Patents
Motor control device, fuel pump and vehicle Download PDFInfo
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- CN218549792U CN218549792U CN202222900712.1U CN202222900712U CN218549792U CN 218549792 U CN218549792 U CN 218549792U CN 202222900712 U CN202222900712 U CN 202222900712U CN 218549792 U CN218549792 U CN 218549792U
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Abstract
The utility model provides a motor control device, fuel pump and vehicle, wherein, motor control device includes: the motor control circuit comprises a first control circuit and a second control circuit, wherein the first control circuit comprises a plurality of branches, the input end of each branch is used for being connected with an electronic control unit capable of conducting conduction control on the branch, the output end of each branch is used for being connected with a first input end of a motor, a resistor module is arranged on each branch, and at least two different resistance values exist in the resistor modules contained in different branches; and one end of the second control circuit is used for being connected with the electronic control unit, and the other end of the second control circuit is used for being connected with a second input end of the motor. The utility model discloses simple structure, development time are short, the cost is lower, can satisfy the application demand of low-cost vehicle.
Description
Technical Field
The embodiment of the utility model provides a relate to vehicle control field, especially relate to a motor control device, fuel pump and vehicle.
Background
The fuel supply of the automobile depends on a fuel pump to pump fuel in a fuel tank to an engine, the fuel pumped by the fuel pump is divided into two parts, one part is used for the consumption of the engine to provide power, and the other part of redundant fuel returns to the fuel tank.
At present, an oil supply system with controllable rotating speed of a fuel pump is adopted in a part of high-end vehicles, the system adopts a fuel pressure sensor and a fuel pump controller, an Electronic Control Unit (ECU) sends corresponding instructions to the fuel pump controller according to data fed back by the fuel pressure sensor, the running state of an engine and the oil consumption, and the rotating speed of the fuel pump is controlled by the fuel pump controller so as to realize real-time adjustment of the oil supply of the fuel pump, thereby achieving the purposes of saving energy, prolonging the service life of the fuel pump and reducing noise. However, an additional fuel pressure sensor and a fuel pump controller are required to be added, so that the whole system is complex in structure and high in cost, and the application requirement of a low-cost vehicle is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The application provides a fuel pump control device to solve the technical problem that fuel pump control device structure is complicated among the prior art, and is with high costs, is difficult to satisfy the application demand of low-cost vehicle.
The utility model discloses the first aspect provides a fuel pump control device, include: the motor control circuit comprises a first control circuit and a second control circuit, wherein the first control circuit comprises a plurality of branches, the input end of each branch is used for being connected with an electronic control unit capable of conducting conduction control on the branch, the output end of each branch is used for being connected with a first input end of a motor, a resistor module is arranged on each branch, and at least two different resistance values exist in the resistor modules contained in different branches; and one end of the second control circuit is used for being connected with the electronic control unit, and the other end of the second control circuit is used for being connected with a second input end of the motor.
The embodiment of the utility model provides a motor control device designs motor control device through setting up the resistance module in each control branch road, realizes the regulation to motor speed, simple structure, and development time is short, the cost is lower, can satisfy the application demand of low-cost vehicle.
Optionally, the first input terminal is a positive electrode of the motor, and the second input terminal is a negative electrode of the motor.
Optionally, each branch is provided with a switch module for controlling conduction of the branch under the control of the electronic control unit.
Optionally, the motor control apparatus further includes: and the selection switch is used for respectively realizing the conduction control of the plurality of branches.
Optionally, the selection switch is a switching relay.
Optionally, the switch module is a relay.
Optionally, the first control line further comprises a branch with zero resistance.
Optionally, the branch with zero resistance is a branch containing only the switch module.
The utility model discloses the second aspect provides a fuel pump, include: a motor; the motor control device according to any one of the embodiments of the first aspect.
A third aspect of the present invention provides a vehicle, comprising a housing; a fuel pump of a second aspect; and the vehicle-mounted electronic control unit is used for being connected with the input end of a branch circuit contained in the fuel pump and conducting and controlling the branch circuit.
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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a motor control device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a motor control device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a motor control device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a motor control device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a motor control device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a motor control device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a motor control device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a motor control device according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a motor control device according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a motor control device according to an embodiment of the present invention;
fig. 11 is a schematic view of a fuel pump control structure according to an embodiment of the present invention;
fig. 12 is a schematic view of a fuel pump control structure according to an embodiment of the present invention;
fig. 13 is a schematic view of a fuel pump control structure according to an embodiment of the present invention;
fig. 14 is a schematic view of a vehicle control structure according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be connected through the inside of the two elements, or may be connected wirelessly or through a wire. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
To the technical problem mentioned in the background art, the embodiment of the present invention provides a motor control device, as shown in fig. 1, the device includes:
first control scheme, first control scheme include many branches, and the input of each branch road is used for being connected with the electronic control unit that can switch on control to the branch road, and the output is used for being connected with the first input of motor, sets up resistance module on each branch road, and the resistance module who contains in the different branch roads has two kinds of different resistances at least.
Illustratively, as shown in FIG. 1, the first control line includes a plurality of branches, where 1-n are n branches of the first control line, where n is an integer and n ≧ 2. The input end of each branch is used for controlling the conduction of the branchIs connected with the electronic control unit. The output end of each branch is connected with the first input end of the motor, and the first input end of the motor can be the positive pole or the negative pole of the motor. Each of the branches 1-n is provided with a resistance module, as shown in fig. 1, R 1 ～R n Is a resistance module on each branch, wherein n is an integer, n is not less than 2, and R 1 ～R n For example, the resistance value of the resistor module of one branch is zero, the resistance values of the resistor modules of the other branches are nonzero values, and the nonzero values of the other branches can be the same or different from partial values, and can be specifically set according to actual needs, and the setting is not limited herein.
And one end of the second control circuit is used for being connected with the electronic control unit, and the other end of the second control circuit is used for being connected with a second input end of the motor. For example, the second input of the motor may be a positive or negative pole of the motor, but the second input is not the same as the first input.
The embodiment of the utility model provides a motor control device designs motor control device through setting up resistance module in each control branch road, through switching on different branch roads, realizes the regulation to motor speed, simple structure, and development time is short, the cost is lower, can satisfy the application demand of low-cost vehicle.
As an optional embodiment of the present invention, as shown in fig. 2, the first input end is a positive pole of the motor, and the second input end is a negative pole of the motor.
The embodiment of the utility model provides a motor control device, motor control device's work is controlled through the positive pole of motor to first control scheme, can effectually avoid the production of static when motor control device unoperated state, eliminates simultaneously because other problems that static probably leads to improve motor control device reliability and stability of work.
As an optional implementation manner of the present invention, as shown in fig. 3, each branch is provided with a switch module for implementing on-state control of the branch under the control of the electronic control unit.
Illustratively, K in the figure 1 ～K n For the corresponding switch module on each branch, the switch module is used for controlling the on-off of current, and the electronic control unit controls the conduction of the branch where the switch module is located by controlling the switch module.
It should be noted that the selective on-off function of the switch module and the resistor module are integrated together to form an independent controller or assembly, which also belongs to the protection scope of the present scheme.
The embodiment of the utility model provides a motor control device, through setting up switch module, can realize improving control accuracy and the degree of accuracy to the steerable alone of each branch road among the motor control device.
As an optional implementation of the present invention, the switch module is a relay.
Exemplarily, as shown in fig. 4, when the switch module is used as a relay, n =2 is taken as an example. Relay J 1 Relay J 2 Resistance module R 1 Resistance module R 2 And a motor M. Relay J 1 Through conductor and resistor module R 1 Connected to an input (positive or negative) of the motor, relay J 2 Connecting resistance modules R by wires 2 Then connected with a resistance module R 1 The branches are converged and connected to the same input end of the motor; resistance module R 1 And a resistance module R 2 The resistance values of (a) and (b) need to be matched according to actual conditions. The arrangement positions of the resistor modules R1 and R2 on the branch can be arranged on the relay J according to actual requirements 1 And relay J 2 To any position of the line between the motors.
It should be noted that the conducting wire used in the present embodiment may be a wire harness. Where wires are used in this document, wire harnesses may be used as an alternative.
As an optional implementation manner of the present invention, as shown in fig. 5, the motor control apparatus further includes a selection switch for respectively implementing the on-state control of the plurality of branches.
Illustratively, as shown in fig. 5, the electronic control unit inputs a signal to the selection switch so that the selection switch is turned on and offTo R 1 ～R n The branch where the resistance module is located is preset in the circuit, so that the corresponding branch is controlled to be conducted.
The embodiment of the utility model provides a motor control device through setting up the select switch, realizes the control of a switch to many branch roads to simplify control mode, reduce the hardware cost.
As an optional embodiment of the present invention, as shown in fig. 6, the selector switch is a switching relay.
Illustratively, as shown in fig. 6, the motor control device includes a motor control device switching relay (relay J) 1 ) And a resistance module R 1 And a resistance module R 2 And a motor M. Relay J 1 Output two-way conductor, in which the branch a passes through a resistance module R 2 Connecting one input end (positive pole or negative pole) of the motor; the other branch b passes through a resistance module R 1 Then, the signal is merged with the a-path. Resistance module R 1 And a resistance module R 2 The arrangement position on the branch can be arranged on the relay J according to the actual requirement 1 To any position of the wiring between the motors.
As an optional implementation of the present invention, the first control circuit further includes a branch circuit having zero resistance.
Exemplarily, as shown in fig. 7, taking the switch module as a relay, and n =2 as an example, the resistance value of the resistor module on one branch is zero. In this embodiment, the relay on the branch where the resistance module with a zero resistance value is located is referred to as a high-speed relay, and the relay on the branch where the resistance module with a non-zero resistance value is located is referred to as a low-speed relay. As shown in FIG. 7, the motor control device is a high-speed relay (Relay J) 1 ) Through wire and zero resistance module R 2 Connected to an input (positive or negative) of the motor, and a low-speed relay (relay J) for controlling the motor 2 ) Connecting resistance modules R by wires 1 And then connected with a resistance module R 1 The branch circuits are converged and connected to the same input end of the motor; resistance module R 1 The resistance value of the resistor is actually matched according to actual requirements. Resistance module R 1 And zero resistance module R 2 Arrangement on a branchThe position can be arranged on the relay J according to the actual requirement 1 And relay J 2 To any position of the wiring between the motors.
Exemplarily, taking the selection switch as a switching relay, n =2 as an example, the resistance value of the resistance module on one branch is zero, as shown in fig. 8, the motor control device includes a motor control device switching relay (relay J) 1 ) Resistance module R 1 Zero resistance module R 2 And a motor. Relay J 1 Output two-way conductor, in which the branch a passes through a zero-resistance module R 2 Connecting one input end (positive pole or negative pole) of the motor; the other branch b passes through a resistance module R 1 Then, the signal is merged with the path a. Resistance module R 1 And a zero resistance module R 2 The arrangement position on the branch can be arranged on the relay J according to the actual requirement 1 To any position of the line between the motors.
The embodiment of the utility model provides a motor control device, through set up zero resistance module on the road, on the one hand the debugging is convenient; on the other hand, when the actual condition changes, the non-zero resistor is conveniently replaced, and the compatible design can be realized.
As an optional implementation manner of the present invention, the branch circuit with zero resistance is a branch circuit that only includes the switch module.
Illustratively, the resistance of the resistor module on a branch in the branch may be zero, and when the resistance is zero or close to zero, the branch resistor module may be replaced by a wire.
Specifically, as shown in fig. 9, when the switch module is used as a relay, n =2 is taken as an example, and the resistance value of the resistor module on one branch is zero and is replaced by a conducting wire. In this embodiment, only the relay on the branch of the switch module is referred to as a high-speed relay, and the relay on the branch of the resistance module with the resistance value different from zero is referred to as a low-speed relay. As shown in fig. 9, the motor control device is a high-speed relay (relay J) 2 ) Connected to one input end (positive or negative) of the motor through a lead, and a low-speed relay (relay J) of the motor control device 1 ) Connecting resistance modules R by wires 1 Then connected with a relay J 2 The branches are converged and connected to the same input end of the motor; resistance module R 1 The resistance value of the resistor is matched according to actual requirements. Resistance module R 1 The arrangement position on the branch can be arranged on the relay J of the motor control device according to the actual requirement 1 To any position of the wiring between the motors.
Exemplarily, as shown in fig. 10, taking the selection switch as a switching relay, n =2 as an example, the resistance value of the resistor module on one branch is zero, and is replaced by a conducting wire. As shown in fig. 8, the motor control device includes a motor control device switching relay (relay J) 1 ) Resistance module R 1 And a motor. Relay J 1 The output double-circuit lead is connected with the branch a directly and comprises a positive pole and a negative pole; the other branch b passes through a resistance module R 1 Then, the signal is merged with the path a. Resistance module R 1 The arrangement position on the branch can be arranged on the relay J according to the actual requirement 1 The middle b branch is connected to any position of a line between the motors.
The embodiment of the utility model provides a motor control device uses the wire to replace, two kinds of state control's of compatible traditional motor mode for zero or be close to zero at a branch resistance value.
An embodiment of the present invention provides a fuel pump, as shown in fig. 11, including a motor and a motor control device in the above embodiment. For the related description of the motor control device, reference is made to the above embodiments, and details are not repeated herein.
Exemplarily, as shown in fig. 12, taking a switch module as a relay, n =2 as an example, the resistance value of the resistor module on one branch is zero, and a conducting wire is used instead. In this embodiment, only the relay on the branch of the switch module is referred to as a high-speed relay, and the relay on the branch of the resistance module with the resistance value different from zero is referred to as a low-speed relay. As shown in fig. 12, includes a fuel pump high speed relay (relay J) 2 ) Fuel pump low-speed relay (relay J) 1 ) And a resistance module R 1 And a fuel pump. Fuel pump high speed relay (Relay J) 2 ) Connected by a wire to one input (positive or negative) of the motor of the fuel pumpNegative pole), fuel pump low-speed relay (relay J) 1 ) Connecting resistance modules R by wires 1 Then connected with a relay J 2 The branches are converged and connected with the same input end of a motor of the fuel pump; resistance module R 1 The resistance value of the fuel pump needs to be actually matched according to the actual fuel quantity provided when the fuel pump runs at low speed. Resistance module R 1 The arrangement position on the branch can be arranged on a low-speed relay J of the fuel pump according to actual requirements 1 To any point in the line between the fuel pumps. Specifically, if the electronic control unit controls to disconnect the low-speed relay (relay J) of the fuel pump 1 ) To switch on the high-speed relay (relay J) of the fuel pump 2 ) When the fuel pump runs at full speed, the fuel pump supplies fuel with the maximum oil pumping capacity; if the electronic control unit controls to disconnect the high-speed relay (relay J) of the fuel pump 2 ) Switching on low-speed relay (relay J) of fuel pump 1 ) At this time, the loop is internally connected with a resistance module R 1 Therefore, the driving voltage of the fuel pump is reduced, and the fuel pump runs at a low speed at the moment, so that the aims of reducing energy consumption, prolonging the service life of the fuel pump and reducing the noise of the fuel pump when the vehicle idles are fulfilled.
Exemplarily, as shown in fig. 13, taking the selection switch as a switching relay, n =2 as an example, the resistance value of the resistor module on one branch is zero, and is replaced by a wire. As shown in fig. 13, includes a fuel pump switching relay (relay J) 1 ) Resistance module R 1 And a fuel pump. Relay J 1 The output double-circuit lead is connected with the branch a directly and is connected with one input end (the positive pole or the negative pole) of the motor of the fuel pump; the other branch b passes through a resistance module R 1 And then, the branch a is merged. Resistance module R 1 The arrangement position on the branch can be arranged on the relay J according to the actual requirement 1 The middle b branch is connected to any position of a line between the motors. In particular, if the electronic control unit gives to the switching relay J 1 Input signal to make the switching relay J 1 Switching to the branch a, wherein the fuel pump runs at full speed at the moment and supplies fuel with the maximum oil pumping capacity; if the electronic control unit gives to the switching relay J 1 Corresponding input signal, so that the switching relay J 1 And switching to the b branch. Because the loop is internally connected with the resistance module R at the moment 1 Therefore, the driving voltage of the fuel pump is reduced, and the fuel pump runs at a low speed at the moment, so that the aims of reducing energy consumption, prolonging the service life of the fuel pump and reducing the noise of the fuel pump when the vehicle idles are fulfilled.
An embodiment of the utility model provides a vehicle, include:
a housing;
the fuel pump as in the previous embodiment;
and the vehicle-mounted electronic control unit is used for being connected with the input end of a branch of the motor control device in the fuel pump and conducting and controlling the branch.
Specifically, at present, the fuel pump of most volume production cars is only controlled by single relay, and the fuel pump has only two kinds of operating condition: a stop state and a full speed operating state. Some conditions during engine operation, particularly idle conditions, may not require a significant amount of fuel. While the fuel pump is still running at full speed, a large amount of excess fuel is returned to the fuel tank. This can lead to adverse effects in three areas: 1) Unnecessary energy consumption is generated by a fuel pump, so that the energy consumption of the whole vehicle is increased; 2) The service life of the fuel pump is reduced; 3) The noise caused by the full-speed operation of the fuel pump is more abrupt.
For example, the technical problems of the prior art and the single relay control of the current mass production vehicle are solved. This embodiment provides an alternative, as shown in fig. 14, taking the switch module as a relay, and n =2 as an example, where the resistance value of the resistor module on one branch is zero, and is replaced by a conducting wire. In this embodiment, only the relay on the branch of the switch module is referred to as a high-speed relay, and the relay on the branch of the resistance module with the resistance value different from zero is referred to as a low-speed relay. As shown in fig. 14, includes a fuel pump high speed relay (relay J) 2 ) Fuel pump low-speed relay (relay J) 1 ) Resistance module R 1 And a fuel pump. Fuel pump high speed relay (Relay J) 2 ) Is connected to the fuel pump through a leadAn input end (positive pole or negative pole) of the motor, and a low-speed relay (relay J) of the fuel pump 1 ) Connecting resistance modules R by wires 1 And then connected to one input (positive or negative) of the motor of the fuel pump; resistance module R 1 The resistance value of the fuel pump needs to be actually matched according to the actual fuel quantity provided when the fuel pump runs at low speed. Resistance module R 1 The arrangement position on the branch can be arranged on a low-speed relay J of the fuel pump according to actual requirements 1 To any point in the line between the fuel pumps. Specifically, when the running state of the vehicle is in the non-idle working condition, the vehicle-mounted electronic control unit controls to disconnect a low-speed relay (relay J) of the fuel pump 1 ) To switch on the high-speed relay (relay J) of the fuel pump 2 ) At the moment, the fuel pump runs at full speed and supplies fuel with the maximum oil pumping capacity, and the fuel pump is equivalent to a fuel pump oil supply system controlled by a single relay adopted by the traditional vehicle; when the running state of the vehicle is in the idle working condition, the electronic control unit controls to disconnect a high-speed relay (relay J) of the fuel pump 2 ) Switching on the low-speed relay (relay J) of the fuel pump 1 ) At this time, the circuit is internally connected with a resistance module R 1 Therefore, the driving voltage of the fuel pump is reduced, and the fuel pump runs at a low speed at the moment, so that the aims of reducing energy consumption, prolonging the service life of the fuel pump and reducing the noise of the fuel pump when the vehicle idles are fulfilled.
It should be noted that other control manners of the vehicle fuel pump are similar to those of the foregoing motor control device embodiment or the fuel pump embodiment, and are not described herein again.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A motor control apparatus, comprising:
the motor control circuit comprises a first control circuit and a second control circuit, wherein the first control circuit comprises a plurality of branches, the input end of each branch is used for being connected with an electronic control unit capable of conducting conduction control on the branch, the output end of each branch is used for being connected with a first input end of a motor, a resistor module is arranged on each branch, and at least two different resistance values exist in the resistor modules contained in different branches;
and one end of the second control circuit is used for being connected with the electronic control unit, and the other end of the second control circuit is used for being connected with a second input end of the motor.
2. The motor control apparatus of claim 1, wherein the first input is a positive pole of the motor and the second input is a negative pole of the motor.
3. The motor control device according to claim 1, wherein a switch module is disposed in each branch for controlling the conduction of the branch under the control of the electronic control unit.
4. The motor control apparatus according to claim 1, further comprising:
and the selection switch is used for respectively realizing the conduction control of the plurality of branches.
5. The motor control apparatus according to claim 4, wherein the selector switch is a switching relay.
6. The motor control apparatus of claim 3, wherein the switch module is a relay.
7. The motor control apparatus of claim 1 wherein the first control line further comprises a branch having zero resistance.
8. The motor control apparatus of claim 7, wherein the branch having zero resistance is a branch that contains only switch modules.
9. A fuel pump, comprising:
a motor;
the motor control device according to any one of claims 1 to 8.
10. A vehicle, characterized by comprising:
a housing;
the fuel pump of claim 9;
and the vehicle-mounted electronic control unit is connected with the input end of a branch of the motor control device in the fuel pump and is used for conducting control on the branch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021234394844 | 2021-12-31 | ||
| CN202123439484 | 2021-12-31 |
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| Publication Number | Publication Date |
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| CN218549792U true CN218549792U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222900712.1U Active CN218549792U (en) | 2021-12-31 | 2022-11-01 | Motor control device, fuel pump and vehicle |
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| CN (1) | CN218549792U (en) |
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