CN217396245U - Anti-electromagnetic interference electronic accelerator pedal sensor circuit - Google Patents
Anti-electromagnetic interference electronic accelerator pedal sensor circuit Download PDFInfo
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- CN217396245U CN217396245U CN202123269467.0U CN202123269467U CN217396245U CN 217396245 U CN217396245 U CN 217396245U CN 202123269467 U CN202123269467 U CN 202123269467U CN 217396245 U CN217396245 U CN 217396245U
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Abstract
The utility model discloses an anti-electromagnetic interference's electronic accelerator pedal sensor circuit, including input interface circuit module, output interface circuit module, two constant voltage power supply circuit modules, two hall signal acquisition circuit modules and two linear digital output circuit modules, wherein input interface circuit module respectively with two constant voltage power supply circuit module connects, two constant voltage power supply circuit module is connected with two hall signal acquisition circuit modules respectively, two hall signal acquisition circuit module respectively with two linear digital output circuit module connects, two linear digital output circuit module all with output interface circuit module connects. The utility model discloses a Buck-Boost circuit of low-power consumption, wide power can prevent vehicle mounted power's fluctuation and electromagnetic interference effectively, and the surge etc. adopts the linear digital quantity output of double-circuit simultaneously to the damage that the circuit caused, does not receive electromagnetic environment's interference among the signal transmission process.
Description
Technical Field
The utility model relates to an accelerator pedal sensor circuit technical field, especially an anti-electromagnetic interference's electronic accelerator pedal sensor circuit.
Background
The traditional electronic accelerator pedal is divided into a two-way type and a one-way type according to the number of Hall chips in a pedal position sensor. The position sensor of the double-way accelerator pedal adopts a redundancy design concept, two Hall elements simultaneously detect the change of the rotation angle of a magnetic field, and Hall voltage is amplified, filtered, translated, limited and the like by a signal processing circuit to form two paths of pedal position voltage signals. When the pedal moves, the magnet fixed at the end of the pedal shaft rotates along with the pedal shaft to form a rotating magnetic field, the direction of the magnetic field around the Hall element changes, the ECU can judge whether the pedal position sensor works normally or not by comparing the correlation of two paths of pedal position voltage signals, and the two-path electronic accelerator pedal is mainly used for passenger cars with higher comfort requirements.
However, the method adopts analog quantity output, and signals are easily interfered in transmission, so that two paths of signals of the pedal do not meet twice of the check relation, the acceleration function of the accelerator pedal on the automobile is invalid, and certain potential safety hazard exists. Meanwhile, the vehicle-mounted power supply does not have the function of wide voltage input, does not isolate and protect the circuit, and is easy to damage the circuit due to fluctuation caused by electromagnetic interference.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem, an anti-electromagnetic interference's electronic accelerator pedal sensor circuit has been designed.
The technical scheme of the utility model does, an anti-electromagnetic interference's electronic accelerator pedal sensor circuit, including input interface circuit module, output interface circuit module, two constant voltage power supply circuit modules, two hall signal acquisition circuit modules and two linear digital quantity output circuit modules, wherein input interface circuit module is connected with two constant voltage power supply circuit modules respectively, two constant voltage power supply circuit modules are connected with two hall signal acquisition circuit modules respectively, two hall signal acquisition circuit modules are connected with two linear digital quantity output circuit modules respectively, two linear digital quantity output circuit modules all are connected with output interface circuit module.
As a further supplement of the present invention, the input interface circuit module includes a power input terminal VDD1, a power reverse connection prevention diode D01, a TVS diode T0, a filter capacitor C2 and a common mode inductor L01, wherein the power input terminal VDD1 is connected to the power reverse connection prevention diode D01, and the power reverse connection prevention diode D01 is connected to the common mode inductor L01;
one end of the TVS diode T0 is connected to a circuit between a power input end VDD1 and a power anti-reverse connection diode D01, one end of the TVS diode T0 is connected to the ground after being connected with a common-mode inductor L01, a filter capacitor C2 is connected with the TVS diode T0 in parallel, and two ends of the TVS diode T0 are respectively connected to a circuit between the power anti-reverse connection diode D01 and the common-mode inductor L01 and a circuit between the TVS diode T0 and the common-mode inductor L01.
As a further supplement of the utility model, the structure and the connection mode of two constant voltage power supply circuit modules are the same, the constant voltage power supply circuit module includes Boost circuit and Buck step-down circuit, wherein Boost circuit includes bypass electric capacity C1, bypass electric capacity C2, differential mode inductance L1, isolation diode D1, sampling resistor R5, sampling resistor R6, filter electric capacity C5, filter electric capacity C6 and power chip U1, power chip U1 is equipped with 6 pins, including pin 1, pin 2, pin 3, pin 4, pin 5 and pin 6;
buck step-down circuit includes magnetic bead FB3, magnetic bead FB4, filter capacitor C01, filter capacitor C02, filter capacitor C4, filter capacitor C7, filter capacitor C8, divider resistance R01, divider resistance R02, voltage chip U2, precision resistance R03, precision resistance R04, differential mode inductance L2 and schottky diode D2, voltage chip U2 is equipped with 8 pins, including pin 1, pin 2, pin 3, pin 4, pin 5, pin 6, pin 7 and pin 8.
As a further supplement of the utility model, bypass electric capacity C3 is parallelly connected with bypass electric capacity C1, and the circuit both ends after parallelly connected are connected with differential mode inductance L1 and earthing terminal GNDA respectively, differential mode inductance L1's the other end is connected with isolation diode D1, power chip U1's pin 4 and pin 5 all insert the circuit between bypass electric capacity C3 and the differential mode inductance L1, sampling resistor R5 and sampling resistor R6 establish ties, and circuit one end after establishing ties is connected with isolation diode D1, one end is connected and ground connection with power chip U1's pin 2, power chip U1's pin 3 inserts the circuit between sampling resistor R5 and the sampling resistor R6;
a voltage dividing resistor R01 and a voltage dividing resistor R02 are connected in series and then connected in parallel with a filter capacitor C5, a filter capacitor C6 and a filter capacitor C01, one end of the circuit after series connection is connected with an isolating diode D1, one end of the circuit after series connection is connected with a pin 1 of a voltage chip U2, one end of a filter capacitor C6 is grounded, a magnetic bead FB3 is connected into the circuit between the filter capacitor C5 and the filter capacitor C01, a pin 3 of the voltage chip U2 is connected into the circuit between the voltage dividing resistor R01 and the voltage dividing resistor R02, a pin 6 of the voltage chip U2 is grounded, a pin 7 of the voltage chip U2 is respectively connected with a differential mode inductor L2 and a Schottky diode D2, the other end of the Schottky diode D2 is grounded, a pin 8 of the voltage chip U2 is connected with a differential mode inductor L2, a filter capacitor C4 is connected in parallel with a filter capacitor C7 and a filter capacitor C8, one end of the circuit after parallel connection is connected with a differential mode inductor L2, and one end of the voltage output end A, the magnetic bead FB4 is connected to a circuit between the filter capacitor C4 and the filter capacitor C7, a pin 4 of the voltage chip U2 is connected with the precision resistor R04 and the precision resistor R03 respectively, the other end of the precision resistor R04 is grounded, and the other end of the precision resistor R03 is connected to a circuit between the differential mode inductor L2 and the magnetic bead FB 4.
As the utility model discloses a further supplement, two hall signal acquisition circuit modules all sample the linear hall sensor chip of independent power supply, independent output, and hall signal acquisition circuit module includes chip peripheral circuit and hall double-circuit output signal circuit.
As the utility model discloses a further supplement, the structure and the connected mode of two linear digital output circuit module are all the same, linear digital output circuit module includes common mode inductance L02, filter capacitance C17, filter capacitance C18, magnetic bead FB1 and current-limiting resistor R17, wherein common mode inductance L02's one end ground connection, one end is connected with current-limiting resistor R17, filter capacitance C17 one end is connected with common mode inductance L02, the circuit between one end access common mode inductance L02 and the current-limiting resistor R17, current-limiting resistor R17's the other end and magnetic bead FB1 are connected, magnetic bead FB 1's the other end and filter capacitance C18 are connected, filter capacitance's the other end ground connection.
As a further addition to the present invention, the output interface circuit module employs the send transmission protocol.
Its beneficial effects lie in, the utility model discloses a low-power consumption, the Buck-Boost circuit of wide power, can export stable 5V voltage, can prevent vehicle mounted power's fluctuation effectively, and electromagnetic interference, surge etc. cause the damage to the circuit, and electron accelerator pedal adopts two way completely independent constant voltage power supply to be the power supply of hall chip, two way independent signal output, accelerator pedal's security level has been guaranteed, the fault rate has been reduced, electron accelerator pedal adopts the linear digital quantity output of double-circuit simultaneously, do not receive electromagnetic environment's interference among the signal transmission process.
Drawings
FIG. 1 is a general block diagram of the present invention;
fig. 2 is a circuit diagram of the input interface circuit module of the present invention;
fig. 3 and 4 are circuit diagrams of two regulated power supply circuit modules according to the present invention;
fig. 5 and fig. 6 are a circuit diagram of the peripheral chip of the hall signal acquisition circuit module and a circuit diagram of a hall two-way output signal, respectively;
fig. 7 and fig. 8 are circuit diagrams of two linear digital output circuit modules according to the present invention;
FIGS. 9 and 10 are circuit diagrams of the output interface circuit module and corresponding component descriptions, respectively;
figure 11 is a program diagram of the send transfer protocol.
Detailed Description
First explain the utility model discloses a design original intention, present accelerator pedal sensor adopts analog output usually, and the signal receives the interference easily in the transmission, makes the unsatisfied twice check-up relation of two way signals of footboard, leads to accelerator pedal to become invalid to the acceleration function of car, has certain potential safety hazard, and vehicle mounted power easily receives electromagnetic interference to produce undulant damage to the circuit simultaneously, the utility model discloses to the shortcoming of above-mentioned technique, designed an anti-electromagnetic interference's electronic accelerator pedal sensor circuit, aim at solving the problem that electronic accelerator pedal receives electromagnetic interference easily and does not possess wide voltage input.
The present invention will be described in detail with reference to the accompanying drawings, and as shown in fig. 1, the electronic accelerator pedal sensor circuit mainly includes the following modules: input interface circuit module, output interface circuit module, two constant voltage power supply circuit modules, two hall signal acquisition circuit modules, two linear digital output circuit modules, wherein two constant voltage power supply circuit modules all are connected with input interface circuit module, then two constant voltage power supply circuit modules are connected with two hall signal acquisition circuit module one-to-ones respectively, two hall signal acquisition circuit modules are connected with two linear digital output circuit module one-to-ones respectively, last two linear digital output circuit modules also all are connected with output interface circuit module, can export stable 5V voltage through above-mentioned circuit module, can prevent vehicle mounted power's fluctuation effectively, and electromagnetic interference, surge etc. cause the damage to the circuit.
The following describes the circuit modules in detail:
as shown in fig. 2, the input interface circuit module is composed of a power input terminal VDD1, a power anti-reverse diode D01, a TVS diode T0, a filter capacitor C2, a common mode inductor L01 and other devices, wherein the power input terminal VDD1 is an external power supply and is connected to a power anti-reverse diode D01, the power anti-reverse diode D01 is connected to the common mode inductor L01, one end of the TVS diode T0 is connected to a circuit between the power input terminal VDD1 and the power anti-reverse diode D01, and the other end is connected to the common mode inductor L01 and then grounded, so that the circuit can be effectively protected from surge damage; the filter capacitor C2 is connected in parallel with the TVS diode T0, and both ends of the filter capacitor C2 are respectively connected to a circuit between the power supply anti-reverse connection diode D01 and the common mode inductor L01 and a circuit between the TVS diode T0 and the common mode inductor L01, and the common mode inductor L01 mainly plays a role in isolation and can effectively suppress common mode interference signals.
As shown in fig. 3 and 4, the two regulated power supply circuit modules have the same structure and connection mode, and respectively supply power to the two hall chips, and mainly comprise two parts of circuits, namely a Boost circuit and a Buck circuit, wherein the Boost circuit comprises the following structures: the voltage stabilizing circuit comprises a bypass capacitor C1, a bypass capacitor C2, a differential mode inductor L1, an isolating diode D1, a sampling resistor R5, a sampling resistor R6, a filter capacitor C5, a filter capacitor C6 and a power chip U1, wherein the power chip U1 is provided with 6 pins which are respectively a pin 1, a pin 2, a pin 3, a pin 4, a pin 5 and a pin 6, and a Boost circuit can stably output 3.5-16V voltage to 8V voltage; buck step-down circuit includes following structure: the circuit comprises a magnetic bead FB3, a magnetic bead FB4, a filter capacitor C01, a filter capacitor C02, a filter capacitor C4, a filter capacitor C7, a filter capacitor C8, a divider resistor R01, a divider resistor R02, a voltage chip U2, a precision resistor R03, a precision resistor R04, a differential mode inductor L2 and a Schottky diode D2, wherein the voltage chip U2 is provided with 8 pins which are respectively a pin 1, a pin 2, a pin 3, a pin 4, a pin 5, a pin 6, a pin 7 and a pin 8, and the circuit can stably output 5V voltage to supply power to a double-way Hall chip;
the concrete connection mode of the structure is as follows: the bypass capacitor C3 is connected in parallel with the bypass capacitor C1, two ends of a circuit after being connected in parallel are respectively connected with the differential mode inductor L1 and the grounding end GNDA, the other end of the differential mode inductor L1 is connected with the isolation diode D1, and the differential mode inductor L1 can effectively prevent alternating current from passing through and allow direct current to pass through; a pin 4 and a pin 5 of a power chip U1 are both connected to a circuit between a bypass capacitor C3 and a differential mode inductor L1, a sampling resistor R5 and a sampling resistor R6 are connected in series, one end of the circuit after series connection is connected with an isolation diode D1, one end of the circuit is connected with a pin 2 of a power chip U1 and grounded, a pin 3 of the power chip U1 is connected to a circuit between the sampling resistor R5 and a sampling resistor R6, a voltage dividing resistor R01 and a voltage dividing resistor R02 are connected in series, the circuit after series connection is connected with a filter capacitor C5, a filter capacitor C6 and a filter capacitor C01 in parallel, one end of the circuit after series connection is connected with an isolation diode D1, one end of the circuit is connected with a pin 1 of a voltage chip U2, one end of the filter capacitor C6 is grounded, and a magnetic bead FB3 is connected to a circuit between the filter capacitor C5 and the filter capacitor C01, which mainly plays a role of filtering; a pin 3 of a voltage chip U2 is connected to a circuit between a voltage dividing resistor R01 and a voltage dividing resistor R02, a pin 6 of the voltage chip U2 is grounded, a pin 7 of the voltage chip U2 is respectively connected with a differential mode inductor L2 and a Schottky diode D2, the other end of the Schottky diode D2 is grounded, and the Schottky diode D2 has the characteristic of extremely short reverse recovery time and can be used as a protection diode; a pin 8 of a voltage chip U2 is connected with a differential mode inductor L2, a filter capacitor C4 is connected with a filter capacitor C7 and a filter capacitor C8 in parallel, one end of a circuit after parallel connection is connected with the differential mode inductor L2, the other end of the circuit is connected with a voltage output end VDDA, and a magnetic bead FB4 is connected into a circuit between the filter capacitor C4 and the filter capacitor C7 to play a role in filtering; the pin 4 of the voltage chip U2 is respectively connected with the precision resistor R04 and the precision resistor R03, the other end of the precision resistor R04 is grounded, the other end of the precision resistor R03 is connected with a circuit between the differential mode inductor L2 and the magnetic bead FB4, and the voltage stabilizing power supply circuit module can stably output 3.5-16V voltage into 5V voltage to supply power to the double-way Hall chip.
As shown in fig. 5 and 6, the two hall signal collecting circuit modules sample the linear hall sensor chips which are independently powered and independently output, and the two hall signals are simultaneously programmed according to the relation of two times of signals.
As shown in fig. 7 and fig. 8, the structures and connection manners of the two linear digital output circuit modules are also basically the same, and the linear digital output circuit module is composed of the following structures: the common-mode inductor L02, the filter capacitor C17, the filter capacitor C18, the magnetic bead FB1 and the current-limiting resistor R17, wherein the common-mode inductor L02 has four wiring ports, two at each end, one of the two interfaces at one end is connected with an input signal OUTA, one is grounded, the two interfaces at the other end are respectively connected with the current-limiting resistor R17 and the filter capacitor C17, the other end of the filter capacitor C17 is connected to a circuit between the common-mode inductor L02 and the current-limiting resistor R17, the other end of the current-limiting resistor R17 is connected with the magnetic bead FB1 in series, the other end of the magnetic bead FB1 is connected with the filter capacitor C18, a signal OUT1 is output, the other end of the filter capacitor is grounded, and the output signal can be filtered through the arrangement, and a stable digital signal is output; the other linear digital output circuit module can process the input signal OUTB and output a stable digital signal OUT 2.
The output interface circuit module adopts a SENT (single-side nibble) transmission protocol, the specific structure is shown in FIGS. 9 and 10, which are not described in detail here, and FIG. 11 is a program diagram of the SENT transmission protocol.
The circuit configuration can effectively prevent the fluctuation of the vehicle-mounted power supply and the damage of electromagnetic interference and the like to the circuit, and the linear digital quantity output is adopted, so that the interference of the electromagnetic environment in the signal transmission process can be avoided, the safety level of the accelerator pedal is ensured, and the probability of fault occurrence is reduced.
Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.
Claims (7)
1. The utility model provides an anti-electromagnetic interference's electronic accelerator pedal sensor circuit, its characterized in that, includes input interface circuit module, output interface circuit module, two constant voltage power supply circuit modules, two hall signal acquisition circuit modules and two linear digital output circuit modules, wherein input interface circuit module respectively with two constant voltage power supply circuit module connects, two constant voltage power supply circuit module is connected with two hall signal acquisition circuit modules respectively, two hall signal acquisition circuit module respectively with two linear digital output circuit module connects, two linear digital output circuit module all with output interface circuit module connects.
2. The electronic accelerator pedal sensor circuit capable of resisting electromagnetic interference of claim 1, wherein the input interface circuit module comprises a power input end VDD1, a power anti-reverse diode D01, a TVS diode T0, a filter capacitor C2 and a common-mode inductor L01, wherein the power input end VDD1 is connected with the power anti-reverse diode D01, and the power anti-reverse diode D01 is connected with the common-mode inductor L01;
one end of the TVS diode T0 is connected to the power input end VDD1 and a circuit between the power supply reverse connection prevention diodes D01, one end of the TVS diode T0 is connected to the ground after being connected to the common mode inductor L01, the filter capacitor C2 is connected with the TVS diode T0 in parallel, and two ends of the TVS diode T0 are respectively connected to the power supply reverse connection prevention diodes D01, the circuit between the common mode inductors L01 and the circuit between the TVS diodes T0 and the common mode inductors L01.
3. The anti-electromagnetic interference electronic accelerator pedal sensor circuit according to claim 1, wherein the two voltage-stabilized power supply circuit modules have the same structure and connection mode, and comprise a Boost voltage circuit and a Buck voltage circuit, wherein the Boost voltage circuit comprises a bypass capacitor C1, a bypass capacitor C2, a differential mode inductor L1, an isolation diode D1, a sampling resistor R5, a sampling resistor R6, a filter capacitor C5, a filter capacitor C6 and a power chip U1, and the power chip U1 is provided with 6 pins including pin 1, pin 2, pin 3, pin 4, pin 5 and pin 6;
buck step-down circuit includes magnetic bead FB3, magnetic bead FB4, filter capacitance C01, filter capacitance C02, filter capacitance C4, filter capacitance C7, filter capacitance C8, divider resistance R01, divider resistance R02, voltage chip U2, precision resistance R03, precision resistance R04, differential mode inductance L2 and schottky diode D2, voltage chip U2 is equipped with 8 pins, including pin 1, pin 2, pin 3, pin 4, pin 5, pin 6, pin 7 and pin 8.
4. The electronic accelerator pedal sensor circuit capable of resisting electromagnetic interference according to claim 3, wherein the bypass capacitor C3 is connected in parallel with the bypass capacitor C1, and two ends of the circuit after being connected in parallel are respectively connected with the differential mode inductor L1 and a ground terminal GNDA, the other end of the differential mode inductor L1 is connected with the isolation diode D1, the pin 4 and the pin 5 of the power chip U1 are both connected into the circuit between the bypass capacitor C3 and the differential mode inductor L1, the sampling resistor R5 and the sampling resistor R6 are connected in series, one end of the circuit after being connected in series is connected with the isolation diode D1, one end of the circuit after being connected with the pin 2 of the power chip U1 and grounded, and the pin 3 of the power chip U1 is connected into the circuit between the sampling resistor R5 and the sampling resistor R6;
the voltage dividing resistor R01 and the voltage dividing resistor R02 are connected in series and then connected in parallel with the filter capacitor C5, the filter capacitor C6 and the filter capacitor C01, one end of a circuit after the series connection is connected with the isolating diode D1, one end of the circuit is connected with a pin 1 of the voltage chip U2, one end of the filter capacitor C6 is grounded, the magnetic bead FB3 is connected into a circuit between the filter capacitor C5 and the filter capacitor C01, a pin 3 of the voltage chip U2 is connected into a circuit between the voltage dividing resistor R01 and the voltage dividing resistor R02, a pin 6 of the voltage chip U2 is grounded, a pin 7 of the voltage chip U2 is respectively connected with the differential mode inductor L2 and the Schottky diode D2, the other end of the Schottky diode D2 is grounded, a pin 8 of the voltage chip U2 is connected with the differential mode inductor L2, and the filter capacitor C4 is connected with the filter capacitor C7 and the filter capacitor C8 in parallel, and one end of the circuit after parallel connection is connected with the differential mode inductor L2, one end of the circuit is connected with a voltage output end VDDA, the magnetic bead FB4 is connected into the circuit between the filter capacitor C4 and the filter capacitor C7, a pin 4 of the voltage chip U2 is respectively connected with the precision resistor R04 and the precision resistor R03, the other end of the precision resistor R04 is grounded, and the other end of the precision resistor R03 is connected into the circuit between the differential mode inductor L2 and the magnetic bead FB 4.
5. The anti-electromagnetic interference electronic accelerator pedal sensor circuit according to claim 1, wherein the two hall signal acquisition circuit modules each sample a linear hall sensor chip independently powered and independently outputting, and the hall signal acquisition circuit module comprises a chip peripheral circuit and a hall dual-output signal circuit.
6. The electronic accelerator pedal sensor circuit capable of resisting electromagnetic interference according to claim 1, wherein the two linear digital output circuit modules have the same structure and connection manner, and each linear digital output circuit module comprises a common-mode inductor L02, a filter capacitor C17, a filter capacitor C18, a magnetic bead FB1 and a current-limiting resistor R17, wherein one end of the common-mode inductor L02 is grounded, and the other end of the common-mode inductor L17 is connected to one end of the filter capacitor C17, one end of the filter capacitor C17 is connected to the common-mode inductor L02, and one end of the filter capacitor C17 is connected to a circuit between the common-mode inductor L02 and the current-limiting resistor R17, the other end of the current-limiting resistor R17 is connected to the magnetic bead FB1, the other end of the magnetic bead FB1 is connected to the filter capacitor C18, and the other end of the filter capacitor is grounded.
7. The electronic accelerator pedal sensor circuit against electromagnetic interference of claim 1, wherein the output interface circuit module employs a SENT transmission protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123269467.0U CN217396245U (en) | 2021-12-23 | 2021-12-23 | Anti-electromagnetic interference electronic accelerator pedal sensor circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123269467.0U CN217396245U (en) | 2021-12-23 | 2021-12-23 | Anti-electromagnetic interference electronic accelerator pedal sensor circuit |
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| CN217396245U true CN217396245U (en) | 2022-09-09 |
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| CN202123269467.0U Active CN217396245U (en) | 2021-12-23 | 2021-12-23 | Anti-electromagnetic interference electronic accelerator pedal sensor circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117834336A (en) * | 2023-12-29 | 2024-04-05 | 浙江康信电器集团有限公司 | Voltage stabilizing circuit applied to LIN communication of commercial vehicle and control method thereof |
| CN117834336B (en) * | 2023-12-29 | 2024-07-02 | 浙江康信电器集团有限公司 | Voltage stabilizing circuit applied to LIN communication of commercial vehicle and control method thereof |
-
2021
- 2021-12-23 CN CN202123269467.0U patent/CN217396245U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117834336A (en) * | 2023-12-29 | 2024-04-05 | 浙江康信电器集团有限公司 | Voltage stabilizing circuit applied to LIN communication of commercial vehicle and control method thereof |
| CN117834336B (en) * | 2023-12-29 | 2024-07-02 | 浙江康信电器集团有限公司 | Voltage stabilizing circuit applied to LIN communication of commercial vehicle and control method thereof |
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