CN207817457U - A kind of multifunctional fuel battery testing platform controller - Google Patents
A kind of multifunctional fuel battery testing platform controller Download PDFInfo
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- CN207817457U CN207817457U CN201721881099.6U CN201721881099U CN207817457U CN 207817457 U CN207817457 U CN 207817457U CN 201721881099 U CN201721881099 U CN 201721881099U CN 207817457 U CN207817457 U CN 207817457U
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- Prior art keywords
- optocoupler
- fuel battery
- testing platform
- battery testing
- platform controller
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Abstract
The utility model is related to a kind of multifunctional fuel battery testing platform controllers, to be communicated with multiple external equipments by a variety of data port, the control includes microcontroller and the power circuit that is connect respectively with microcontroller, 232 communication interfaces, 485 communication interfaces, CAN communication interface, On-off signal output port, analog input and output port and PWM output ports, 232 communication interfaces, 485 communication interfaces, CAN communication interface, On-off signal output port, analog input and output port and PWM output ports pass through optocoupler and external device communication respectively.Compared with prior art, the utility model has many advantages, such as that multi-functional, control is simple, anti-interference.
Description
Technical field
The utility model is related to integrated manipulator fields, are controlled more particularly, to a kind of multifunctional fuel battery testing platform
Device.
Background technology
The functionality of fuel battery test platform controller on the market is relatively simple now, and the control needs of an equipment are more
A function module is integrated, although some controller functions are more, is not suitable for fuel battery test platform demand for control, it is therefore desirable to open
Send out to be adapted to the integrated manipulator of fuel battery test platform demand for control a.
Utility model content
The purpose of this utility model is exactly to provide a kind of multifunction burning to overcome the problems of the above-mentioned prior art
Expect battery testing platform controller.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of multifunctional fuel battery testing platform controller, to logical by a variety of data port and multiple external equipments
Letter, which includes microcontroller and the power circuit being connect respectively with microcontroller, 232 communication interfaces, 485 communication interfaces, CAN
Communication interface, On-off signal output port, analog input and output port and PWM output ports, described 232 communications connect
Mouth, 485 communication interfaces, CAN communication interface, On-off signal output port, analog input and output port and PWM output ports
Pass through optocoupler and external device communication respectively.
Preferably, the microcontroller is dspic33ep microcontrollers.
Preferably, the power circuit include external power supply, the first diode, the second diode, the first filter capacitor,
Second filter capacitor, switch chip, the first power module, second power supply module and voltage-stablizer, the external power supply pass through
One diode is connect with switch chip, the first power module and second power supply module respectively, the voltage-stablizer and second source
Module connects, and second diode cathode ground connection, cathode is connect with the second diode cathode, first filtered electrical
Hold, the second filter capacitor is connected in parallel on respectively between the second diode cathode and ground.
Preferably, 232 communication interfaces include the first optocoupler, the second optocoupler and transponder chip, the list
Piece machine is connect by the first optocoupler and the second optocoupler with transponder chip respectively, and the transponder chip is logical with external equipment
Letter.
Preferably, 485 communication interfaces include third optocoupler, the 4th optocoupler and difference transceiver, the monolithic
Machine is connect by third optocoupler and the 4th optocoupler with difference transceiver respectively, and the difference transceiver is respectively by carrying transition
The lead-out wire of diode and external device communication.
Preferably, the CAN communication interface includes the 5th optocoupler, the 6th optocoupler and high-speed CAN transponder chip, institute
The microcontroller stated is connect by the 5th optocoupler and the 6th optocoupler with high-speed CAN transponder chip respectively, high-speed CAN transmitting-receiving
Device chip passes through CAN common-mode filters and external device communication.
Preferably, the PWM output ports include triode, the 7th optocoupler and metal-oxide-semiconductor, and the microcontroller passes through three
Pole pipe drives the 7th optocoupler and metal-oxide-semiconductor, the metal-oxide-semiconductor to pass through third diode output pwm signal successively.
Compared with prior art, the utility model has the following advantages：
The utility model is module integrated together by multiple communication functions, simpler than multimode in control, it is not easy to go out
Mistake, and optocoupler is set and is isolated with external disturbance, reliability improves, and can connect most of electrical equipment and electrical device
Part.
Description of the drawings
Fig. 1 is the circuit diagram of power circuit.
Fig. 2 is the circuit diagram of 232 communication interfaces.
Fig. 3 is the circuit diagram of 485 communication interfaces.
Fig. 4 is the circuit diagram of CAN communication interface.
Fig. 5 is the signal input circuit schematic diagram of On-off signal output port.
Fig. 6 is the signal output apparatus schematic diagram of On-off signal output port.
Fig. 7 is the signal input circuit schematic diagram of analog input and output port.
Fig. 8 is the signal output apparatus schematic diagram of analog input and output port.
Fig. 9 is the circuit diagram of PWM output ports.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment
The utility model provides a kind of multifunctional fuel battery testing platform controller, specifically includes：
Microcontroller dspic33ep circuits ----with external all circuits by light-coupled isolation, anti-interference ability is significantly increased；
Power circuit：Divide Multiple isolated outputs to power to required circuit after isolation, reduces external action, as shown in Figure 1,
External power supply by diode D1 carries out rectification after coming in, and after capacitance E1 and E2 filtering, a part gives external devices power supply, two poles
Pipe D2 absorbs external inductive load inverse electromotive force；Another part exports after switch chip KA7812 transformations to be supplied to DC/DC
Electricity, the isolation of power module U22 (WRB2405) transformation export 5V and power to external chip, and U23 exports 5V and powers to inside chip,
Another U24 (AE1117D) that passes by exports 3V to CPU afterwards, ensures that CPU and IC is not influenced by power-supply fluctuation, improves reliability；
232 communication interfaces：Device talk to be communicated with band 232 is connect, as shown in Fig. 2, U38 and U39 are optocouplers
(TLP2358), effect is the signal isolation for sending CPU pins, then is output to U53 (MAX3232ESE), external interference signals
Cannot be introduced into influences CPU, and cpu signal transmitting-receiving and the transmitting-receiving of external signal are independent of each other, and improve reliability.
485 communication interfaces：Device talk to be communicated with band 485 is connect, as shown in figure 3, the CPU of microcontroller passes through light
Coupling (TLP2358) isolation input exports, then signal is sent to SP490E, communicates outward.External interference signals press down through D16 and D17
System protects U54, and cannot be introduced into influences CPU, improves reliability.4 lead-out wires can connect 2 line systems, can also connect 4 line systems, accomplish
It is general；
CAN communication interface：To be connect with the device talk with CAN communication, as shown in figure 4, CPU passes through optocoupler
(TLP2358) isolation input exports, then signal is sent to TJA1050T, communicates outward.L3 (ACT45B) filters out external disturbance letter
Number, improve reliability；
On-off signal output port：It is received to the control of multiple spot electric device switch and level signal, such as Figures 5 and 6 institute
Show, external level signal opens Q4 (S8050) through R125 current limlitings, and by optocoupler (TLP2358) isolation input to CPU, outside is dry
Disturbing signal and cannot be introduced into influences CPU, improves reliability；
Cpu signal is output to triode Q14, driving optocoupler (EL817) after R161 current limlitings, and driving Q26 (30N06) is opened
Load, diode D10 absorb the counter electromotive force discharged when inductive load disconnects, improve reliability；
Analog input and output port：To output current signal, voltage signal also can receive voltage and current signals,
Meet control and the signal acquisition of the equipment to voltage or current signal in order to control, as shown in FIG. 7 and 8, foreign current signal turns
After voltage signal, Differential Input gives UB18 (132U) after filtering, and CPU is output to after isolation, improves reliability；
Cpu signal PWM wave exports after optocoupler U36 (TLP2358) isolation, and filtering enters amplifier (LM2904) output electricity
Pressure.Q7 and R150 and Z1 (MMSZ5241B) forms current-limiting circuit, makes the output voltage of optocoupler U36 between 0-10V.Amplifier
0-10V voltages are exported after U43A secondary isolations；
8：PWM output ports：To control the equipment using PWM as demand, as shown in figure 9, pwm signal is after R162 current limlitings
It is output to triode Q17, driving optocoupler U55 (TLP155E) drives metal-oxide-semiconductor Q29 (30N06) output pwm signal, diode D13
The counter electromotive force discharged when inductive load disconnects is absorbed, reliability is improved.
Claims (7)
1. a kind of multifunctional fuel battery testing platform controller, to be communicated with multiple external equipments by a variety of data port,
It is characterized in that, the control includes microcontroller and the power circuit being connect respectively with microcontroller, 232 communication interfaces, 485 communications
Interface, CAN communication interface, On-off signal output port, analog input and output port and PWM output ports, it is described
232 communication interfaces, 485 communication interfaces, CAN communication interface, On-off signal output port, analog input and output port and
PWM output ports pass through optocoupler and external device communication respectively.
2. a kind of multifunctional fuel battery testing platform controller according to claim 1, which is characterized in that the monolithic
Machine is dspic33ep microcontrollers.
3. a kind of multifunctional fuel battery testing platform controller according to claim 1, which is characterized in that the power supply
Circuit includes external power supply, the first diode D1, the second diode D2, the first filter capacitor E1, the second filter capacitor E2, switch
Chip U21, the first power module U22, second power supply module U23 and voltage-stablizer U24, the external power supply pass through the one or two pole
Pipe D1 is connect with switch chip U21, the first power module U22 and second power supply module U23 respectively, the voltage-stablizer U24 with
Second power supply module U23 connections, the second diode D2 plus earths, cathode are connect with the second diode D2 cathode, institute
The first filter capacitor E1, the second filter capacitor E2 stated is connected in parallel on respectively between the second diode D2 cathode and ground.
4. a kind of multifunctional fuel battery testing platform controller according to claim 1, which is characterized in that described 232
Communication interface includes that the first optocoupler U38, the second optocoupler U39 and transponder chip U53, the microcontroller pass through first respectively
Optocoupler U38 and the second optocoupler U39 are connect with transponder chip U53, the transponder chip U53 and external device communication.
5. a kind of multifunctional fuel battery testing platform controller according to claim 1, which is characterized in that described 485
Communication interface includes third optocoupler U35, the 4th optocoupler U40 and difference transceiver U54, and the microcontroller passes through third light respectively
Coupling U35 and the 4th optocoupler U40 are connect with difference transceiver U54, and the difference transceiver U54 is respectively by carrying two pole of transition
The lead-out wire of pipe and external device communication.
6. a kind of multifunctional fuel battery testing platform controller according to claim 1, which is characterized in that the CAN
Communication interface includes the 5th optocoupler U31, the 6th optocoupler U32 and high-speed CAN transponder chip U41, microcontroller difference
It is connect with high-speed CAN transponder chip U41 by the 5th optocoupler U31 and the 6th optocoupler U32, the high-speed CAN transceiver core
Piece U41 passes through CAN common-mode filters L3 and external device communication.
7. a kind of multifunctional fuel battery testing platform controller according to claim 1, which is characterized in that the PWM
Output port includes triode Q17, the 7th optocoupler U55 and metal-oxide-semiconductor Q29, and the microcontroller is driven successively by triode Q17
7th optocoupler U55 and metal-oxide-semiconductor Q29, the metal-oxide-semiconductor Q29 pass through third diode D13 output pwm signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881099.6U CN207817457U (en) | 2017-12-28 | 2017-12-28 | A kind of multifunctional fuel battery testing platform controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721881099.6U CN207817457U (en) | 2017-12-28 | 2017-12-28 | A kind of multifunctional fuel battery testing platform controller |
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| Publication Number | Publication Date |
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| CN207817457U true CN207817457U (en) | 2018-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108073110A (en) * | 2017-12-28 | 2018-05-25 | 上海神力科技有限公司 | A kind of multifunctional fuel battery testing platform controller |
-
2017
- 2017-12-28 CN CN201721881099.6U patent/CN207817457U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108073110A (en) * | 2017-12-28 | 2018-05-25 | 上海神力科技有限公司 | A kind of multifunctional fuel battery testing platform controller |
| CN108073110B (en) * | 2017-12-28 | 2024-04-23 | 上海神力科技有限公司 | Multifunctional fuel cell test board controller |
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