CN208861180U - The detection device of generator set controller revolving speed output circuit - Google Patents
The detection device of generator set controller revolving speed output circuit Download PDFInfo
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- CN208861180U CN208861180U CN201821545709.XU CN201821545709U CN208861180U CN 208861180 U CN208861180 U CN 208861180U CN 201821545709 U CN201821545709 U CN 201821545709U CN 208861180 U CN208861180 U CN 208861180U
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- triode
- revolving speed
- generator set
- communication module
- set controller
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Abstract
The utility model provides a kind of detection device of generator set controller revolving speed output circuit, and for detecting the revolving speed output circuit of generator set controller, it includes testboard module, and the testboard module includes communication module, single-chip microcontroller and rotating-speed control circuit；Further include control host, interconnected by the communication module and the microcontroller communication, for sending detection instruction to the single-chip microcontroller；The rotating-speed control circuit is connected with the single-chip microcontroller and testing generator group controller, for controlling the tachometer value of testing generator group controller output according to the detection instruction.The detection device of the generator set controller revolving speed output circuit has the advantages that design science, practical, detection efficiency is high low with production cost.
Description
Technical field
The utility model relates to generator set controller Rotating speed measring technical fields, specifically, relate to a kind of power generation
The detection device of generator set controller revolving speed output circuit.
Background technique
With the development of science and technology with progress, this industry of generator set controller is also rapidly developed, and production management
It more standardizes, especially in terms of quality control.In order to guarantee various functions all reliability services of generator set controller, produce
Producer needs to do a large amount of Detection & Controling in terms of exfactory inspection, by the various functional modules in testboard module to factory
The various functions of generator set controller measure.
In the prior art, in the work of generator set controller factory testing, tach signal output detection is not perfect, investment
Human cost is high, and detection efficiency is low.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of with design science, practicability
By force, the detection device of the high generator set controller revolving speed output circuit low with production cost of detection efficiency.
To achieve the goals above, the technical scheme adopted by the utility model is a kind of generator set controller turns
Fast output circuit, for detecting the tach signal of generator set controller output, including testboard module, the testboard module
Including communication module, single-chip microcontroller and rotating-speed control circuit；
Further include control host, interconnected by the communication module and the microcontroller communication, is used for the single-chip microcontroller
Send detection instruction；
The rotating-speed control circuit is connected with the single-chip microcontroller and testing generator group controller, for according to the inspection
Survey the tachometer value of instruction control testing generator group controller output.
Based on above-mentioned, the rotating-speed control circuit includes triode Q1, triode Q2, triode Q3, diode D1, two poles
Pipe D2, resistance R1 are to resistance R5；
The base stage of the triode Q1 is connected to the single-chip microcontroller by the resistance R1, and emitter is connected to ground terminal,
Collector is connected to power end by the resistance R3；The base stage of the triode Q2 and the triode Q3 pass through the electricity
Resistance R2 is connected to the collector of the triode Q1；The collector of the triode Q2 is connected to power supply by the resistance R4
End, the collector of the triode Q3 are connected to ground terminal；The transmitting of the emitter of the triode Q2 and the triode Q3
The output end being extremely connected as the rotating-speed control circuit；The output end of the rotating-speed control circuit is separately connected the diode D1's
The cathode of the positive and described diode D2, the cathode of the diode D1 are connected to power end, and the anode of the diode D2 is even
It is connected to ground terminal；The input terminal of the output end connection testing generator group controller revolving speed output circuit of the rotating-speed control circuit
Mouthful, ground terminal is also connected to by the resistance R5.
Based on above-mentioned, the communication module is RS-485 communication module.
Based on above-mentioned, the RS-485 communication module uses MAX1483ESA chip.
Based on RS-485 communication module above-mentioned, that the control host passes through SG72 communication module and the testboard module
It is connected.
Based on above-mentioned, the control host is PC machine.
The utility model has substantive features and progress compared with the prior art, and specifically, the utility model provides
A kind of detection device of generator set controller revolving speed output circuit, the control host pass through SG72 communication module and RS-485
Communication module sends detection instruction to the single-chip microcontroller；The detection instruction includes preset rotation speed value, the rotating-speed control circuit,
The tachometer value of testing generator group controller output is controlled according to the detection instruction；User is according to testing generator group controller
The tachometer value and preset rotation speed value consistency of reality output judge that the revolving speed output circuit work of testing generator group controller is
It is no normal；Realize the quick detection of generator set controller output rotating speed functions；It is with design science, practical, inspection
Survey the high-efficient advantage low with production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic diagram of the rotating-speed control circuit of the utility model.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of detection device of generator set controller revolving speed output circuit, for detecting
The tach signal of generator set controller output, it includes the testboard module being connected with testing generator group controller, described
Testboard module includes communication module, single-chip microcontroller and rotating-speed control circuit；
Further include control host, interconnected by the communication module and the microcontroller communication, is used for the single-chip microcontroller
Send detection instruction；
The rotating-speed control circuit is connected with the single-chip microcontroller, for controlling testing generator according to the detection instruction
The tachometer value of group controller output.
The working process of the utility model is as follows: the control host sends detection to the single-chip microcontroller by communication module and refers to
It enables；The rotating-speed control circuit controls the tachometer value of testing generator group controller output according to the detection instruction；User's root
According to the tachometer value of testing generator group controller reality output and the consistency of preset rotation speed value in the detection instruction, judge to
Whether the revolving speed output circuit work for surveying generator set controller is normal；Realize generator set controller output rotating speed functions
Quickly detection.
The utility model gives a kind of specific embodiment of rotating-speed control circuit, and the rotating-speed control circuit includes three
Pole pipe Q1, triode Q2, triode Q3, diode D1, diode D2, resistance R1 to resistance R5；The base stage of the triode Q1
It is connected to the single-chip microcontroller by the resistance R1, emitter is connected to ground terminal, and collector is connected to by the resistance R3
Power end B+；The base stage of the triode Q2 and the triode Q3 pass through the resistance R2 and are connected to the triode Q1's
Collector；The collector of the triode Q2 is connected to power end B+, the collector of the triode Q3 by the resistance R4
It is connected to ground terminal；The emitter of the triode Q2 is connected as the rotating-speed control circuit with the emitter of the triode Q3
Output end MP1；The output end MP1 of the rotating-speed control circuit is separately connected the anode and the diode D2 of the diode D1
Cathode, the cathode of the diode D1 is connected to power end B+, and the anode of the diode D2 is connected to ground terminal, for controlling
Make the common emitter voltage of the triode Q2 and triode Q3, the as output end of revolving speed control；Revolving speed control
The input port of the output end MP1 connection testing generator group controller revolving speed output circuit of circuit also passes through the resistance R5
It is connected to ground terminal.
Wherein, NPN triode Q1 plays switch conduction；The resistance R1 to resistance R5 plays metering function；The resistance
R5 also plays pull down resistor, limits the voltage value and current value of MP1 point；NPN triode Q3 and PNP triode Q2 composition pushes away
Draw type emitter follower；The diode D1 and the diode D2 play clamper.
The control host is connected by USB patchcord with the USB port of SG72 communication module, and SG72 communication module is utilized
USB turns the function of RS485 communication module, and the detection instruction sent to the control host is converted；The SG72 communicates mould
Block by RS485 mouthfuls of A and B output terminal be connected respectively to the testboard module RS485 communicate delivery outlet terminal A and
Above B, the communication relations of the control host and the testboard module are established.Single-chip microcontroller in the testboard module passes through
Interface USARTX_RX and interface USARTX_TX passes through interface MP_Signal_ after receiving the detection instruction that control host is sent
Revolving speed acquisition instructions are sent to the input port of the rotating-speed control circuit by In, and the rotating-speed control circuit is to testing generator
The tach signal of group controller output is controlled.
Specifically, after the single-chip microcontroller receives the detection instruction that control host is sent, the interface MP_ of the single-chip microcontroller
Signal_In output high level is effective, NPN type triode Q1 conducting, and the voltage on the collector of triode Q1 is 0V；Push-pull type
The NPN triode Q3 of emitter follower is not turned on, and PNP type triode Q2 is connected, and the rotating-speed control circuit output is 0, i.e.,
There is no rotational speed governor output.When the interface MP_Signal_In of single-chip microcontroller output low level is effective, NPN triode Q1 is not led
It is logical, and the voltage value of the base electrode of NPN triode Q3 and PNP triode Q2 is power end output voltage B+, at this moment NPN triode
Q3 conducting, PNP triode Q2 are not turned on, and the voltage value of the rotating-speed control circuit output is B+, and the value of revolving speed control output is logical
Crossing oscillograph or multimeter can intuitively see.
Specifically, the rotating-speed control circuit is also connected with oscillograph or multimeter, revolving speed control electricity can detecte
The frequency values of the output end MP1 output on road, so that user intuitively checks the tach signal of testing generator group controller output.
Specifically, the control host passes through the RS-485 communication module phase of SG72 communication module and the testboard module
Even；The SG72 communication module be communication interface conversion module, it can be achieved that USB<->RS232, USB<->RS485, USB<->
The power supply of interface conversion between LINK, the module is derived from the USB interface of computer.The utility model using the module USB<->
The control host is connected on the USB communication port of SG72 communication module by this functionality of RS485 by USB patchcord, is turned
RS485 communication function is turned to, the RS485 communication port of the SG72 communication module and the RS485 communication port in testboard module connect
It connects, sends the detection instruction that the control host is sent on the single-chip microcontroller in testboard module.
The communication module is RS-485 communication module；RS-485 communication module uses MAX1483ESA chip.The control
Host processed is PC machine.Single-chip microcontroller in the testboard module uses the single-chip microcontroller of STM32 series.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (6)
1. a kind of detection device of generator set controller revolving speed output circuit, the revolving speed for detecting generator set controller are defeated
Circuit out, including testboard module, it is characterised in that: the testboard module includes communication module, single-chip microcontroller and revolving speed control
Circuit；
Further include control host, interconnected by the communication module and the microcontroller communication, for being sent to the single-chip microcontroller
Detection instruction；
The rotating-speed control circuit is connected with the single-chip microcontroller and testing generator group controller, for being referred to according to the detection
Enable the tachometer value of control testing generator group controller output.
2. the detection device of generator set controller revolving speed output circuit according to claim 1, it is characterised in that: described
Rotating-speed control circuit includes triode Q1, triode Q2, triode Q3, diode D1, diode D2, resistance R1 to resistance R5；
The base stage of the triode Q1 is connected to the single-chip microcontroller by the resistance R1, and emitter is connected to ground terminal, current collection
Pole is connected to power end by the resistance R3；The base stage of the triode Q2 and the triode Q3 pass through the resistance R2
It is connected to the collector of the triode Q1；The collector of the triode Q2 is connected to power end by the resistance R4, institute
The collector for stating triode Q3 is connected to ground terminal；The emitter of the triode Q2 is connected with the emitter of the triode Q3
Output end as the rotating-speed control circuit；The output end of the rotating-speed control circuit be separately connected the diode D1 anode and
The cathode of the diode D2, the cathode of the diode D1 are connected to power end, and the anode of the diode D2, which is connected to, to be connect
Ground terminal；The input port of the output end connection testing generator group controller revolving speed output circuit of the rotating-speed control circuit is also logical
It crosses the resistance R5 and is connected to ground terminal.
3. the detection device of generator set controller revolving speed output circuit according to claim 1, it is characterised in that: described
Communication module is RS-485 communication module.
4. the detection device of generator set controller revolving speed output circuit according to claim 3, it is characterised in that: described
RS-485 communication module uses MAX1483ESA chip.
5. the detection device of generator set controller revolving speed output circuit according to claim 3, it is characterised in that: described
Control host is connected by SG72 communication module with the RS-485 communication module of the testboard module.
6. the detection device of generator set controller revolving speed output circuit according to claim 1, it is characterised in that: described
Control host is PC machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545709.XU CN208861180U (en) | 2018-09-21 | 2018-09-21 | The detection device of generator set controller revolving speed output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821545709.XU CN208861180U (en) | 2018-09-21 | 2018-09-21 | The detection device of generator set controller revolving speed output circuit |
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| Publication Number | Publication Date |
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| CN208861180U true CN208861180U (en) | 2019-05-14 |
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| CN201821545709.XU Active CN208861180U (en) | 2018-09-21 | 2018-09-21 | The detection device of generator set controller revolving speed output circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110275111A (en) * | 2019-07-12 | 2019-09-24 | 贵州航天林泉电机有限公司 | A kind of ultrahigh speed alternating current generator high speed test system and its control method |
-
2018
- 2018-09-21 CN CN201821545709.XU patent/CN208861180U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110275111A (en) * | 2019-07-12 | 2019-09-24 | 贵州航天林泉电机有限公司 | A kind of ultrahigh speed alternating current generator high speed test system and its control method |
| CN110275111B (en) * | 2019-07-12 | 2024-03-19 | 贵州航天林泉电机有限公司 | High-speed test system of ultra-high-speed alternating-current generator and control method thereof |
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