CN110094289B - Novel starter control device - Google Patents
Novel starter control device Download PDFInfo
- Publication number
- CN110094289B CN110094289B CN201810085817.1A CN201810085817A CN110094289B CN 110094289 B CN110094289 B CN 110094289B CN 201810085817 A CN201810085817 A CN 201810085817A CN 110094289 B CN110094289 B CN 110094289B
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- detection device
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- sensor
- vacuum
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- 239000007858 starting material Substances 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003828 downregulation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0848—Circuits or control means specially adapted for starting of engines with means for detecting successful engine start, e.g. to stop starter actuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/10—Safety devices
- F02N11/108—Safety devices for diagnosis of the starter or its components
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Fluid Pressure (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention relates to a novel starter control device which comprises a single chip microcomputer, a display device, a driving circuit, a pressure detection device, a current detection device, an overrun detection device and a key, wherein the input end of the single chip microcomputer is respectively connected with the output ends of the pressure detection device, the current detection device, the overrun detection device and the key, the output end of the single chip microcomputer is respectively connected with the input ends of the display device and the driving circuit, and the output end of the driving circuit is respectively connected with the input ends of the pressure detection device, the current detection device and the overrun detection device. The PIC16F883 singlechip is adopted, parameters can be flexibly adjusted, the device is well suitable for various load occasions, meanwhile, the precision and the sensitivity of working parameter detection are improved, the real-time monitoring of the running state can be realized more accurately, the loads of a starter and a motor are protected, and meanwhile, the cost of elements and the assembly workload are reduced.
Description
Technical Field
The invention relates to the technical field of control devices, in particular to a novel starter control device.
Background
In the starter operation control device, the existing controller controls the switching of the main circuit according to the current and the delay time of the main circuit, and the time control operation can be independently realized or the time and the current jointly control the operation of the starter, but the switching time is adjusted by a potentiometer, the current value is set and switched by a dial switch, and the purpose is to detect the current value of a certain item of the main circuit to realize the operation control and monitoring of the starter, and then the control of the main circuit is released after the switching is finished. The method can realize the operation control of the starter naturally, but does not intuitively display fault parameters, cannot adapt to various load occasions, can not protect the starter when overcurrent and phase failure occur, and can possibly generate serious consequences; the control device in the mode can not accurately control the real-time monitoring, and also uses a plurality of hardware facilities, such as a mechanical thermal relay, a main command button, an indicator lamp (meter) and the like, auxiliary contacts are needed, and the control device has large assembly workload and high cost.
Disclosure of Invention
In view of the above, the present invention aims to provide a method for flexibly setting parameters to adapt to different load conditions; the accuracy and the sensitivity of the monitoring parameters are high; the operation parameters can be visually displayed; the novel starter control device has overcurrent and open-phase protection functions, and is small in assembly workload and low in cost, so that the problems in the prior art are solved.
The invention discloses a novel starter control device which comprises a single chip microcomputer, a display device, a driving circuit, a pressure detection device, a current detection device, an overrun detection device and a key, wherein the input end of the single chip microcomputer is respectively connected with the output ends of the pressure detection device, the current detection device, the overrun detection device and the key, the output ends of the pressure detection device and the current detection device are respectively connected with an analog input module of the single chip microcomputer, the output end of the overrun detection device is connected with a switching value input module of the single chip microcomputer, the output ends of the single chip microcomputer are respectively connected with the input ends of the display device and the driving circuit, and the output ends of the driving circuit are respectively connected with the input ends of the pressure detection device, the current detection device and the overrun detection device.
Preferably, the singlechip is a PIC16F883 singlechip.
Preferably, the display device adopts an LED digital display screen.
Preferably, the pressure detecting device includes a pressure sensor.
Preferably, the current detection device comprises a current sensor and two current transformers, wherein the output ends of the two current transformers are connected with the input end of the current sensor, and the output end of the current sensor is connected with the PIC16F883 singlechip.
Preferably, the overrun detecting device comprises a temperature sensor, a vacuum pressure sensor and a positive pressure sensor, wherein the output ends of the temperature sensor, the vacuum pressure sensor and the positive pressure sensor are connected with a switching value input module of the PIC16F883 singlechip.
Preferably, the keys include 6 keys.
By adopting the structure, the invention has the following beneficial effects:
1. The PIC16F883 singlechip is adopted, so that the parameters can be flexibly adjusted, the invention is well suitable for various load occasions, the precision and the sensitivity of working parameter detection are improved, the real-time monitoring of the running state can be realized more accurately, and the starter and the motor load are protected.
2. The invention has key input, parameter measurement and numerical display functions, saves a lot of hardware such as mechanical thermal relays, main command buttons, indicator lamps (watches) and the like, does not need auxiliary contacts, directly uses a singlechip to realize control operation of the starter, improves reliability, prolongs service life and obviously reduces element cost and assembly workload.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:
Fig. 1 shows a block diagram of the structure of the present invention.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts. For clarity, the various features of the drawings are not drawn to scale.
The described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the invention, are within the scope of the invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or via an intermediate profile, or by communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the novel starter control device comprises a single chip microcomputer, a display device, a driving circuit, a pressure detection device, a current detection device, an overrun detection device and a key, wherein the input end of the single chip microcomputer is respectively connected with the output ends of the pressure detection device, the current detection device and the key, the output ends of the pressure detection device and the current detection device are both connected with an analog input module of the single chip microcomputer, the output end of the overrun detection device is connected with a switching value input module of the single chip microcomputer, the pressure detection device comprises a pressure sensor, the current detection device comprises a current sensor and two current transformers, the output ends of the two current transformers are connected with the input end of the current sensor, the output end of the current sensor is connected with a PIC16F883 single chip microcomputer, and the two current transformers transmit current to the current sensor through an electromagnetic induction principle and the properties of the transformer, and then transmit the current to the PIC16F883 single chip microcomputer; the overrun detecting device comprises a temperature sensor, a vacuum pressure sensor and a positive pressure sensor, wherein the output ends of the temperature sensor, the vacuum pressure sensor and the positive pressure sensor are connected with a switching value input module of the PIC16F883 singlechip, the three switching value inputs of the temperature sensor, the vacuum pressure sensor and the positive pressure sensor are used for detecting environmental states such as temperature, pressure difference and the like, and the three analog values of the pressure sensor, the current sensor and the two current transformers are used for inputting and measuring pipeline pressure and two-phase main loop current, so that pressure, current control and phase-loss protection are realized. The output end of the singlechip is respectively connected with the input ends of the display device and the driving circuit, the output end of the driving circuit is respectively connected with the input ends of the pressure detection device, the current detection device and the overrun detection device, the singlechip is used as the core of the control device, the operating parameters such as a key, two paths of current transformers, pipeline pressure, temperature, pressure difference and the like are collected, the starter is controlled to switch the working state according to a limiting value and an allowable time preset in the singlechip, and each operating parameter can be set according to the specific condition of a load; meanwhile, the singlechip has a memory function and is used for recording fault reasons and parameters of the last protection shutdown and restoring the factory setting; the singlechip adopts a PIC16F883 singlechip; the display device adopts an LED digital display screen and is used for displaying various data; the keys comprise 6 keys.
Working principle: the device can receive starting/stopping instructions of three stages through the distinction of the 6 keys, and realize parameter setting and fault playback functions through the combination of the keys. The key inputs instructions into the singlechip, the singlechip controls the driving circuit, the driving circuit sends instructions to the pressure sensor, the temperature sensor, the positive pressure sensor, the vacuum pressure sensor and the current sensor through three switching values and three analog values of the control device, so that the pressure sensor, the temperature sensor, the positive pressure sensor, the vacuum pressure sensor and the current sensor respectively complete the detection of environmental states such as pressure, temperature, pressure difference, current and the like, the environmental states are fed back to the singlechip, and finally the operating parameters are displayed by the LED digital display screen; the three analog quantities are input to measure the pipeline pressure and the two main loop currents, so that pressure and current control and phase failure protection are realized, if fault parameters occur, corresponding countermeasures can be made through 6 keys and fed back to the PIC16F883 singlechip, and then the PIC16F883 singlechip starts instructions for a driving circuit so as to eliminate faults.
When a pipeline fails, the pressure sensor transmits the failure pressure parameter to the pressure detection device, the pressure detection device returns to the PIC16F883 singlechip, and the specific failure parameter is displayed through the LED digital display screen; the temperature sensor in the overrun detecting device inputs temperature parameters into the PIC16F883 singlechip through the overrun detecting device, and the LED digital display screen displays specific numerical values; the positive pressure sensor and the vacuum pressure sensor input differential pressure data into the PIC16F883 singlechip, and the LED digital display screen displays specific numerical values; the current detection device comprises a current sensor and two current transformers, the two current transformers transmit current to the current sensor through an electromagnetic induction principle and the properties of the current transformers, and then the current is transmitted to the PIC16F883 singlechip, and the current value is displayed by the LED digital display screen, so that the running state of the starter is more intuitively known; the purpose of real-time monitoring and accurate control can be achieved.
The invention is a running control device of the step-down starter, which adopts PIC16F883 singlechip as control core, and the LED digital display screen visually displays data, records the reasons and parameters of failure protection shutdown caused by phase failure, overcurrent and the like before, and can flexibly set each parameter to adapt to different load conditions, thereby improving the detection precision and sensitivity and reducing the element cost and assembly workload.
The working flow is as follows: when the start key is pressed, the last fault parameter is displayed on the LED digital display screen, and fault reproduction is carried out; pressing a reset key, resetting parameters, setting temperature, pressure and current parameters through a function selection key, an up-regulation key and a down-regulation key, entering a standby mode by a control device after the setting is completed, pressing a start key, starting to start the motor of the pipeline pump in a depressurization mode, starting and operating a host of the cleaning machine after the motor is operated, and unloading the host after the completion of the operation.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present invention and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (1)
1. The starter control device is characterized by comprising a single-chip microcomputer, a display device, a driving circuit, a pressure detection device, a current detection device, an overrun detection device and keys, wherein the input ends of the single-chip microcomputer are respectively connected with the pressure detection device, the current detection device, the overrun detection device and the output ends of the keys, the output ends of the pressure detection device and the current detection device are both connected with an analog input module of the single-chip microcomputer, the output ends of the overrun detection device are connected with a switching value input module of the single-chip microcomputer, the output ends of the single-chip microcomputer are respectively connected with the input ends of the display device and the driving circuit, the output ends of the driving circuit are respectively connected with the pressure detection device, the current detection device and the input ends of the overrun detection device, the single-chip microcomputer adopts a PIC16F883, the display device adopts an LED digital display screen, the pressure detection device comprises a pressure sensor, the current detection device comprises a current sensor and two current transformers, the output ends of the two current transformers are connected with the input ends of the current sensor, the output end of the current sensor is connected with the PIC 883, the output end of the PIC 883 is connected with the PIC 883, the PIC 883 is connected with the key-press button 16, the pressure sensor is arranged in a vacuum control circuit, the PIC is arranged in a vacuum control system, the vacuum control system is different from the PIC16, the PIC is in a vacuum control system, the vacuum control system is in a vacuum system, the vacuum system is different from the vacuum system, and the vacuum system is in a vacuum system, and has the vacuum system and has a vacuum system and a vacuum system, the driving circuit sends instructions to the pressure sensor, the temperature sensor, the positive pressure sensor, the vacuum pressure sensor and the current sensor through three switching values and three analog values of the control device, so that the pressure sensor, the temperature sensor, the positive pressure sensor, the vacuum pressure sensor and the current sensor respectively finish the detection of the pressure, the temperature, the pressure difference and the current environment state, the detection is fed back to the singlechip, and finally, the LED digital display screen displays the operation parameters; the three analog quantities are input into a measuring pipeline to measure the pressure of the pipeline and the current of the two main loops, so that the pressure and current control and open-phase protection are realized, if fault parameters appear, corresponding countermeasures are made through 6 keys and fed back to the PIC16F883 singlechip, and then the PIC16F883 singlechip starts instructions for a driving circuit to eliminate the faults.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810085817.1A CN110094289B (en) | 2018-01-29 | 2018-01-29 | Novel starter control device |
Applications Claiming Priority (1)
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CN201810085817.1A CN110094289B (en) | 2018-01-29 | 2018-01-29 | Novel starter control device |
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CN110094289A CN110094289A (en) | 2019-08-06 |
CN110094289B true CN110094289B (en) | 2024-05-10 |
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CN201810085817.1A Active CN110094289B (en) | 2018-01-29 | 2018-01-29 | Novel starter control device |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2290716Y (en) * | 1996-02-06 | 1998-09-09 | 四川省达川地区电子技术研究所 | Start and control device of blower |
CN201113413Y (en) * | 2007-03-07 | 2008-09-10 | 煤炭科学研究总院抚顺分院 | Mining classified closedown explosion-proof vacuum electromagnetical starter comprehensive protector |
JP2010220472A (en) * | 2010-05-31 | 2010-09-30 | Hitachi Automotive Systems Ltd | Synchronous motor drive |
CN101871395A (en) * | 2009-04-27 | 2010-10-27 | 上海工程技术大学 | Intelligent controller for engine throttle of fire engine |
CN201763656U (en) * | 2010-06-24 | 2011-03-16 | 淮南万泰电子股份有限公司 | Intelligent control device of coal mine double-fan vacuum magnetic starter |
CN103219928A (en) * | 2013-05-07 | 2013-07-24 | 大连庆鸿科技有限公司 | Soft starter of direct-current motor and soft starting method thereof |
CN204313581U (en) * | 2014-12-08 | 2015-05-06 | 惠州市采风科技有限公司 | A kind of refrigeration plant intelligent controller |
CN207989210U (en) * | 2018-01-29 | 2018-10-19 | 天津职业技术师范大学 | A kind of new starter control device |
-
2018
- 2018-01-29 CN CN201810085817.1A patent/CN110094289B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2290716Y (en) * | 1996-02-06 | 1998-09-09 | 四川省达川地区电子技术研究所 | Start and control device of blower |
CN201113413Y (en) * | 2007-03-07 | 2008-09-10 | 煤炭科学研究总院抚顺分院 | Mining classified closedown explosion-proof vacuum electromagnetical starter comprehensive protector |
CN101871395A (en) * | 2009-04-27 | 2010-10-27 | 上海工程技术大学 | Intelligent controller for engine throttle of fire engine |
JP2010220472A (en) * | 2010-05-31 | 2010-09-30 | Hitachi Automotive Systems Ltd | Synchronous motor drive |
CN201763656U (en) * | 2010-06-24 | 2011-03-16 | 淮南万泰电子股份有限公司 | Intelligent control device of coal mine double-fan vacuum magnetic starter |
CN103219928A (en) * | 2013-05-07 | 2013-07-24 | 大连庆鸿科技有限公司 | Soft starter of direct-current motor and soft starting method thereof |
CN204313581U (en) * | 2014-12-08 | 2015-05-06 | 惠州市采风科技有限公司 | A kind of refrigeration plant intelligent controller |
CN207989210U (en) * | 2018-01-29 | 2018-10-19 | 天津职业技术师范大学 | A kind of new starter control device |
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