CN209795173U - Oil tank conversion controller - Google Patents
Oil tank conversion controller Download PDFInfo
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- CN209795173U CN209795173U CN201920581200.9U CN201920581200U CN209795173U CN 209795173 U CN209795173 U CN 209795173U CN 201920581200 U CN201920581200 U CN 201920581200U CN 209795173 U CN209795173 U CN 209795173U
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Abstract
The utility model discloses an oil tank conversion controller, which relates to the technical field of matching devices of a motor vehicle fuel system and comprises a main control chip, a power module and a switch gear detection module, wherein the power module and the switch gear detection module are connected with the main control chip; a driving module is connected between the main control chip and the oil tank switching module; the switch gear detection module is used for detecting the gear of an external switch and transmitting a signal to the main control chip; and the driving module is used for driving the motor to rotate forwards and backwards to switch the oil tank. The utility model discloses a drive module and switch gear detection module that set up and link to each other with main control chip, through operation external switch, the switching of a plurality of oil tanks is realized to driving motor just reversing, solves the problem that current oil tank conversion mechanization degree is high, the operation is hard, the security is lower, easy operation, safe and reliable, cost are lower.
Description
Technical Field
the utility model relates to a supporting technical field of motor vehicle fuel oil system, concretely relates to oil tank switching controller.
Background
Because the most road conditions in the place that needs large truck to transport are complicated, and the weather condition that meets with in the road of transportation changes variously, and single pipeline's fuel supply system is very inconvenient if the problem appears, so many heavy trucks are provided with the dual fuel tank now to realize extension fuel capacity, thereby improve car continuation of the journey mileage.
However, the existing oil tank conversion control device is mechanized, is complex and laborious to operate, and has the problems of high cost, high oil consumption, low safety factor, poor weather resistance (from north to south), difficult start in cold regions and the like. Therefore, the design of the oil tank conversion controller which can realize the conversion of a plurality of oil tanks, has lower cost, higher safety and simple operation has practical significance for the personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems of complex operation, higher cost and lower safety of the existing oil tank conversion control device, the utility model provides an oil tank conversion controller.
The utility model adopts the technical scheme as follows:
An oil tank conversion controller comprises a main control chip, a power module and a switch gear detection module, wherein the power module and the switch gear detection module are connected with the main control chip; a driving module is connected between the main control chip and the oil tank switching module; the switch gear detection module is used for detecting the gear of an external switch and transmitting a signal to the main control chip; and the driving module is used for driving the motor to rotate forwards and backwards to switch the oil tank.
Preferably, the main control chip is a single chip microcomputer, and the model of the main control chip is PIC16F 1507.
Preferably, the circuit connections of the power supply module are as follows: the anode of the diode D5 is connected with a power supply +24V, and the cathode of the diode D5 is connected with the capacitor C1 and then grounded; the cathode of the diode D5 is also connected with the collector of the triode Q1, the base of the triode Q1 is connected with the cathode of the TVS tube D7, and the anode of the TVS tube D7 is connected with the diode D8 and then grounded; a bidirectional TVS tube D6 is connected between the cathode of the diode D5 and the cathode of the diode D8; a resistor R1 is connected between the collector and the base of the triode Q1; an emitter of the triode Q1 is connected with two parallel capacitors C2 and C4 and then is connected with the anode of the diode D8, a collector of the triode Q1 is connected with the cathode of the diode D4, and the anode of the diode D4 is connected with an emitter of the triode Q1; the emitter of the triode Q1 is also connected with the 1 interface of the chip U1, the 2 interface of the chip U1 is connected with the anode of the diode D8, and the 3 interface of the chip U1 is connected with the anodes of the diodes D8 after being connected with the two parallel capacitors C3 and C5; the 1 interface of the chip U1 is connected with the cathode of the diode D3, the anode of the diode D3 is connected with the 3 interface of the chip U1, and the 3 interface of the chip U1 is also connected with a power supply VDD.
Preferably, the tank switching module is connected with four tanks.
Preferably, the driving module comprises two power driving chips U2 and U3, both of which are MC 34931.
Preferably, the circuit connection of the power driving chip U2 is as follows: the 3 pins of the power driving chip U2 are connected with a resistor R3 and a capacitor C8 which are connected in parallel and then grounded; pins 7 and 8 of the power driving chip U2 are connected and then connected with the capacitor C7 and then grounded; pins 10 and 11 of the power driving chip U2 are connected and then connected with the capacitor C10 and then grounded; a 32 pin of the power driving chip U2 is connected with the resistor R2 and then is connected with a power supply VDD; pins 22 and 23 of the power driving chip U2 are connected and then connected with the capacitor C11 and then grounded; pins 25 and 26 of the power driving chip U2 are connected and then grounded after being connected with the capacitor C9; the 28 interface of the power driving chip U2 is connected with the pin 25 after being connected with the capacitor C6.
preferably, the main control chip and the driving module are specifically connected as follows: pins 2, 3 and 5 of the power driving chip U2 are respectively connected with pins 14, 12 and 17 of the main control chip U4 in sequence; pins 29, 31 and 32 of the power driver chip U2 are connected to pins 11, 15 and 16 of the main control chip U4 in sequence.
Preferably, the switch gear detection module is electrically connected as follows: pin 1 of the interface J1 is connected with a power supply + 24V; 2, 8 pins of the interface J1 are grounded; the 4 pins of the interface J1 are connected with four resistors R12, R13, R14 and R15 which are connected in parallel; the 5 pins of the interface J1 are connected with four resistors R16, R17, R18 and R19 which are connected in parallel; the 7 pins of the interface J1 are connected with the cathode of the diode D10, the anode of the diode D10 is connected with the resistor R9 and then connected with the power supply VDD, and the anode of the diode D10 is also connected with the resistor R8 and then connected with the 19 pins of the main control chip U4.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. The utility model discloses in, be different from the mechanical system of traditional oil tank conversion, utilize drive module driving motor just reversal to realize the switching between a plurality of oil tanks, easy operation easily realizes.
2. The utility model provides an oil tank switching module is connected with four oil tanks, can realize the switching control to four oil tanks, can reserve more oil volumes than the two oil tanks on the market, greatly increased the feasible mileage of car.
3. the utility model discloses well chip that adopts all has overcurrent protection, excess temperature protection, overload protection's function, can avoid the motor when starting and the heavy current that causes when the locked-rotor, can eliminate from this and cause the ablation of insurance, the motor generates heat, the pencil potential safety hazards such as being on fire, safe and reliable.
4. The utility model discloses the sampling resistance value of well adoption is 3.3K ohm, and the precision is 1%, and through test many times and verification discovery enable procedure the inside critical value scope enlarge, sampling stability is high, the accuracy is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic block diagram of the present invention;
Fig. 2 is a circuit diagram of the power module of the present invention;
Fig. 3 is a circuit diagram of the power driver chip U2 according to the present invention;
Fig. 4 is a circuit diagram of the power driver chip U3 of the present invention;
Fig. 5 is a circuit diagram of the main control chip U4 of the present invention;
Fig. 6 is a circuit diagram of the switch gear detection module of the present invention;
fig. 7 is a circuit diagram of the program input interface J2 according to the present invention.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The oil tank conversion controller provided in the preferred embodiment of the present invention, as shown in fig. 1, includes a main control chip, a power module and a switch gear detection module connected to the main control chip; a driving module is connected between the main control chip and the oil tank switching module; the switch gear detection module is used for detecting the gear of an external switch and transmitting a signal to the main control chip; and the driving module is used for driving the motor to rotate forwards and backwards to switch the oil tank.
As shown in fig. 5, the main control chip is a single chip microcomputer, the model is PIC16F1507, the main control chip is low in cost, low in power consumption, high in integration level, small in size and high in reliability, electromagnetic shielding or sealing measures are easy to take, the main control chip is suitable for working in a severe environment, and safety of a heavy truck in the driving process is further improved.
As shown in fig. 2, the circuit connections of the power supply module are as follows: the anode of the diode D5 is connected with a power supply +24V, and the cathode of the diode D5 is connected with the capacitor C1 and then grounded; the cathode of the diode D5 is also connected with the collector of the triode Q1, the base of the triode Q1 is connected with the cathode of the TVS tube D7, and the anode of the TVS tube D7 is connected with the diode D8 and then grounded; a bidirectional TVS tube D6 is connected between the cathode of the diode D5 and the cathode of the diode D8; a resistor R1 is connected between the collector and the base of the triode Q1; an emitter of the triode Q1 is connected with two parallel capacitors C2 and C4 and then is connected with the anode of the diode D8, a collector of the triode Q1 is connected with the cathode of the diode D4, and the anode of the diode D4 is connected with an emitter of the triode Q1; the emitter of the triode Q1 is also connected with the 1 interface of the chip U1, the 2 interface of the chip U1 is connected with the anode of the diode D8, and the 3 interface of the chip U1 is connected with the anodes of the diodes D8 after being connected with the two parallel capacitors C3 and C5; the 1 interface of the chip U1 is connected with the cathode of the diode D3, the anode of the diode D3 is connected with the 3 interface of the chip U1, and the 3 interface of the chip U1 is also connected with a power supply VDD. The model of the diodes D1 and D2 is S3B, the model of the diodes D3, D4, D5 and D8 is M7, the model of the bidirectional TVS tube D6 is 5KP33CA, the model of the chip U1 is 78L05, the model of the triode Q1 is 2N5551, and the resistance value of the resistor R1D is 47K ohms, so that the circuit of the power module has the functions of overcurrent protection, over-temperature protection, overload protection and reverse voltage protection, and is safer and more reliable.
The oil tank switching module is connected with four oil tanks. Can realize the conversion control to four oil tanks, when needs, accessible external switch switches over the oil tank that the gear direct switch will use, easy operation, control is accurate.
The driving module comprises two power driving chips U2 and U3, and the models of the power driving chips are MC 34931. The power driving chips U2 and U3 realize the switching of the oil tank by driving the two motors to rotate in the forward and reverse directions, for example: the positive rotation of the motor I and the positive rotation of the motor II represent the use of the oil tank I; the positive rotation of the motor I and the negative rotation of the motor II represent that the oil tank II is used; the reverse rotation of the motor I and the forward rotation of the motor II represent the use of the oil tank III; the first motor and the second motor rotate reversely to represent that the oil tank IV is used.
as shown in fig. 3, the circuit connections of the power driver chip U2 are as follows: the 3 pins of the power driving chip U2 are connected with a resistor R3 and a capacitor C8 which are connected in parallel and then grounded; pins 7 and 8 of the power driving chip U2 are connected and then connected with the capacitor C7 and then grounded; pins 10 and 11 of the power driving chip U2 are connected and then connected with the capacitor C10 and then grounded; a 32 pin of the power driving chip U2 is connected with the resistor R2 and then is connected with a power supply VDD; pins 22 and 23 of the power driving chip U2 are connected and then connected with the capacitor C11 and then grounded; pins 25 and 26 of the power driving chip U2 are connected and then grounded after being connected with the capacitor C9; the 28 interface of the power driving chip U2 is connected with the pin 25 after being connected with the capacitor C6. The resistance of the resistor R2 is 10K ohms, and the resistance of the resistor R3 is 270 ohms. The circuit connection of the power driver chip U2 is as shown in fig. 4, and the circuit connection relationship of the two power driver chips is the same and both the two power driver chips are connected to the main control chip.
As shown in fig. 3, 4 and 5, the main control chip and the driving module are specifically connected as follows: pins 2, 3 and 5 of the power driving chip U2 are respectively connected with pins 14, 12 and 17 of the main control chip U4 in sequence; pins 29, 31 and 32 of the power driver chip U2 are connected to pins 11, 15 and 16 of the main control chip U4 in sequence. Pins 2, 3 and 5 of the power driving chip U3 are respectively connected with pins 5, 13 and 6 of the main control chip U4 in sequence; pins 29, 31 and 32 of the power driver chip U3 are sequentially connected to pins 9, 8 and 7 of the main control chip U4, respectively. The master control chip U4 and the driving module adopt SPI communication, and are full duplex, and the data transmission rate is high.
As shown in fig. 6, the switch gear detection module is electrically connected as follows: pin 1 of the interface J1 is connected with a power supply + 24V; 2, 8 pins of the interface J1 are grounded; the 4 pins of the interface J1 are connected with four resistors R12, R13, R14 and R15 which are connected in parallel; the 5 pins of the interface J1 are connected with four resistors R16, R17, R18 and R19 which are connected in parallel; the 7 pins of the interface J1 are connected with the cathode of the diode D10, the anode of the diode D10 is connected with the resistor R9 and then connected with the power supply VDD, and the anode of the diode D10 is also connected with the resistor R8 and then connected with the 19 pins of the main control chip U4. The resistances of the resistors R12, R13, R14, R15, R16, R17, R18 and R19 are all 33 ohms, the model of the diode D10 is M7, and the model of the interface J1 is Header 9. When the switch gear detection module detects the gear to which the external switch is dialed, the signal is transmitted to the main control chip, and a user can master the condition of the oil tank used at the moment.
In the specific application process, a user can directly dial an external switch to an oil tank gear required to be used, after the main control chip receives related signals, a control instruction is issued to the driving module, and the driving module drives the two motors to rotate forward and backward to realize the switching of the oil tank. Singly the utility model discloses a four steerable oil tanks of oil tank conversion controller at most, at the in-process of in-service use, according to actual conditions, can use a plurality of oil tank conversion controllers to reach the further extension to oil tank control quantity.
Example 2
on the basis of embodiment one, the utility model discloses a be provided with the J2 interface on the main control chip, the model is Header 5 for input procedure, as shown in FIG. 7:
the connection relationship between the J2 interface and the main control chip U4 is as follows: the 1 interface of the J2 interface is connected with the 4 pins of the main control chip U4; the interface 2 of the J2 is connected with a power supply VDD; the 3 interface of the J2 interface is grounded; the 4 interfaces of the J2 interface are connected with the 19 pins of the main control chip U4; the 5 interface of the J2 interface is connected with the resistor R10 and then is connected with the MCU _ CLK node of the main control chip U4.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. An oil tank switching controller, characterized in that:
The device comprises a main control chip, a power module and a switch gear detection module, wherein the power module and the switch gear detection module are connected with the main control chip; a driving module is connected between the main control chip and the oil tank switching module;
The switch gear detection module is used for detecting the gear of an external switch and transmitting a signal to the main control chip;
And the driving module is used for driving the motor to rotate forwards and backwards to switch the oil tank.
2. A fuel tank change-over controller according to claim 1, wherein: the main control chip is a single chip microcomputer, and the model is PIC16F 1507.
3. A fuel tank change-over controller according to claim 1, wherein: the power module is connected with the following circuits: the anode of the diode D5 is connected with a power supply +24V, and the cathode of the diode D5 is connected with the capacitor C1 and then grounded; the cathode of the diode D5 is also connected with the collector of the triode Q1, the base of the triode Q1 is connected with the cathode of the TVS tube D7, and the anode of the TVS tube D7 is connected with the diode D8 and then grounded; a bidirectional TVS tube D6 is connected between the cathode of the diode D5 and the cathode of the diode D8; a resistor R1 is connected between the collector and the base of the triode Q1; an emitter of the triode Q1 is connected with two parallel capacitors C2 and C4 and then is connected with the anode of the diode D8, a collector of the triode Q1 is connected with the cathode of the diode D4, and the anode of the diode D4 is connected with an emitter of the triode Q1; the emitter of the triode Q1 is also connected with the 1 interface of the chip U1, the 2 interface of the chip U1 is connected with the anode of the diode D8, and the 3 interface of the chip U1 is connected with the anodes of the diodes D8 after being connected with the two parallel capacitors C3 and C5; the 1 interface of the chip U1 is connected with the cathode of the diode D3, the anode of the diode D3 is connected with the 3 interface of the chip U1, and the 3 interface of the chip U1 is also connected with a power supply VDD.
4. A fuel tank change-over controller according to claim 1, wherein: the oil tank switching module is connected with four oil tanks.
5. A fuel tank change-over controller according to claim 1, wherein: the driving module comprises two power driving chips U2 and U3, and the models of the power driving chips are MC 34931.
6. The fuel tank changeover controller according to claim 5, wherein: the circuit connection of the power driving chip U2 is as follows: the 3 pins of the power driving chip U2 are connected with a resistor R3 and a capacitor C8 which are connected in parallel and then grounded; pins 7 and 8 of the power driving chip U2 are connected and then connected with the capacitor C7 and then grounded; pins 10 and 11 of the power driving chip U2 are connected and then connected with the capacitor C10 and then grounded; a 32 pin of the power driving chip U2 is connected with the resistor R2 and then is connected with a power supply VDD; pins 22 and 23 of the power driving chip U2 are connected and then connected with the capacitor C11 and then grounded; pins 25 and 26 of the power driving chip U2 are connected and then grounded after being connected with the capacitor C9; the 28 interface of the power driving chip U2 is connected with the pin 25 after being connected with the capacitor C6.
7. The fuel tank changeover controller according to claim 6, wherein: the main control chip and the driving module are specifically connected as follows: pins 2, 3 and 5 of the power driving chip U2 are respectively connected with pins 14, 12 and 17 of the main control chip U4 in sequence; pins 29, 31 and 32 of the power driver chip U2 are connected to pins 11, 15 and 16 of the main control chip U4 in sequence.
8. a fuel tank change-over controller according to claim 1, wherein: the switch gear detection module is connected with the following circuits: pin 1 of the interface J1 is connected with a power supply + 24V; 2, 8 pins of the interface J1 are grounded; the 4 pins of the interface J1 are connected with four resistors R12, R13, R14 and R15 which are connected in parallel; the 5 pins of the interface J1 are connected with four resistors R16, R17, R18 and R19 which are connected in parallel; the 7 pins of the interface J1 are connected with the cathode of the diode D10, the anode of the diode D10 is connected with the resistor R9 and then connected with the power supply VDD, and the anode of the diode D10 is also connected with the resistor R8 and then connected with the 19 pins of the main control chip U4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920581200.9U CN209795173U (en) | 2019-04-26 | 2019-04-26 | Oil tank conversion controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920581200.9U CN209795173U (en) | 2019-04-26 | 2019-04-26 | Oil tank conversion controller |
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| CN209795173U true CN209795173U (en) | 2019-12-17 |
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| CN201920581200.9U Active CN209795173U (en) | 2019-04-26 | 2019-04-26 | Oil tank conversion controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193696A1 (en) * | 2021-03-19 | 2022-09-22 | 苏州贝昂科技有限公司 | Gear control circuit for alternating current motor, system, switch controller, and electronic device |
-
2019
- 2019-04-26 CN CN201920581200.9U patent/CN209795173U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193696A1 (en) * | 2021-03-19 | 2022-09-22 | 苏州贝昂科技有限公司 | Gear control circuit for alternating current motor, system, switch controller, and electronic device |
| GB2609316A (en) * | 2021-03-19 | 2023-02-01 | Beiang Air Tech Ltd | Gear control circuit for alternating current motor, system, switch controller and electronic device |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fuel tank conversion controller Effective date of registration: 20201105 Granted publication date: 20191217 Pledgee: Ya'an Yucheng Huimin village bank limited liability company directly under the branch Pledgor: SICHUAN FANHUA ELECTRICAL Co.,Ltd. Registration number: Y2020510000102 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |