CN111271852A - Automatic black box detection device for opening and closing position state of air door - Google Patents
Automatic black box detection device for opening and closing position state of air door Download PDFInfo
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- CN111271852A CN111271852A CN201910798775.0A CN201910798775A CN111271852A CN 111271852 A CN111271852 A CN 111271852A CN 201910798775 A CN201910798775 A CN 201910798775A CN 111271852 A CN111271852 A CN 111271852A
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- air door
- circuit board
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention belongs to the technical field of automatic testing of black boxes through electronic detection, and relates to an automatic black box detection device for the opening and closing position state of an air door, which comprises a main structure comprising a first side supporting plate, a second side supporting plate, a bottom plate, a circuit board, an arc surface, a testing space, a photoelectric sensor circuit, an MCU (micro controller unit) controller circuit, a data bus communication circuit, a main control board, a power line, a connecting line, an outer cover door, a main controller and a power supply processing circuit, wherein the width of the circuit board is the same as the length of an arc line corresponding to a 10-degree central angle of the first side supporting plate; the method has the advantages of wide measurement range, high precision, improved design and improvement efficiency, scientific principle, convenient operation, safety, reliability and environment-friendly application.
Description
The technical field is as follows:
the invention belongs to the technical field of automatic testing of electronic detection black boxes, relates to the technical fields of artificial intelligence, green manufacturing, intelligent sensors, big data analysis and the like, relates to an automatic detection device for the opening and closing position state of an air door, and particularly relates to an automatic detection device for detecting the opening and closing state, the opening angle and the movement position of the air door in an air duct of a household appliance, so as to detect and automatically judge whether the logic of an air door control program is correct or not.
Background art:
the air door is a door device used for controlling the air duct to be communicated with a refrigerating or heating space, whether the air door can correctly act according to the set temperature and the actual temperature of the temperature-controlled space is related to whether cold air or warm air can normally control the temperature of a target space, and the correct opening and closing and the action position of the air door are very important for the normal work of household appliances. Before the relevant household appliances are produced in a positive mode, the control logic program of the air door needs to be tested strictly.
When the control logic program of the air door is tested at present, specific sensor signals are firstly input into a control circuit board, then the control circuit board is observed by human eyes to judge, the opening and closing and position states of the air door are compared with the specification of a design requirement book under different sensor signal states, and whether the program control logic of the air door meets the specification requirement is judged manually.
The control logic for the damper is related to the state of the plurality of temperature sensors and the switch signal. The manual adjustment is carried out item by item, the steps are complex, some test scenes are long in test period, and the labor cost is very high. Therefore, seek to design a black box automated inspection device that can judge air door and open and shut and position state, adopt 10 sets of modular detection circuit, 20 ~ 80 way detection sensor, main control processor of the same kind passes through data bus to 20 ~ 80 way sensor signal data integrated analysis, can directly automatic judgement air door's state and position, reduce detection error, accurate judgement air door opening angle and on-off state.
The invention content is as follows:
the invention aims to overcome the defects in the prior art, and provides a black box automatic detection device for judging the opening and closing state and position of an air door, so that the problems of complex and troublesome detection process, manual item-by-item adjustment, long adjustment time, time and labor waste in the traditional air door control logic test are solved, the phenomenon of inaccurate detection result caused by human factors is avoided, the test efficiency is improved, and the test cost is reduced.
In order to achieve the above object, the main structure of the device of the present invention comprises: the device comprises a first side supporting plate, a second side supporting plate, a bottom plate, a circuit board, an arc surface, a test space, a photoelectric sensor circuit, an MCU (micro control unit) controller circuit, a data bus communication circuit, a main control board, a power line, a connecting wire, an outer cover door, a main controller and a power supply processing circuit; the first side supporting plate and the second side supporting plate are the same in structure, are of quarter-sector plate structures, are made of PVC materials, and are provided with rectangular tooth structures which are uniformly arranged along the edge of a sector arc; the circuit board is of a strip plate structure, the width of the circuit board is the same as the length of an arc corresponding to a 10-degree central angle of the first side supporting plate, rectangular tooth structures which are uniformly distributed are arranged on two short sides of the circuit board, and the sizes of the rectangular teeth are mutually clamped and matched with the sawtooth structures on the first side supporting plate and the second side supporting plate; nine circuit boards are clamped on the first side support plate and the second side support plate side by side to form an arc surface formed by the nine circuit boards, the arc surface, the bottom plate, the first side support plate and the second side support plate form a test space, a rectangular long groove is formed in the middle of the bottom plate, the length and the width of the rectangular long groove are the same as the size of the circuit boards, and one circuit board is arranged in the rectangular long groove; 2-8 photoelectric sensor circuits with the same structure are uniformly arranged on the inner side surface of each circuit board, and each photoelectric sensor circuit comprises a light-emitting quantity control circuit and a light-sensitive analog signal processing circuit; the outer side surface of each circuit board is fixedly provided with an MCU controller circuit, a data bus communication circuit and a power supply processing circuit, the MCU controller circuit on each circuit board is respectively in electrical information connection with 2-8 photoelectric sensor circuits and the power supply processing circuit on the same circuit board, the MCU controller circuit on each circuit board is respectively in electrical information connection with a main controller on a main control board through the data bus communication circuit on the same circuit board, the main controller is externally connected with a power supply through a power line, the power supply processing circuit, the MCU controller circuit, the 2-8 photoelectric sensor circuits and the data bus communication circuit on each circuit board form a detection module, the detection device has 10 detection circuit modules in total, the nine detection circuit modules are positioned on an arc-shaped surface parallel to the rotation direction of the side wall of the air door, and one detection circuit module is positioned at the bottom of the air door; the power supply processing circuit is respectively connected with the photoelectric sensor circuit, the MCU controller circuit and the data bus communication circuit and provides power supply processing signals for the photoelectric sensor circuit, the MCU controller circuit and the data bus communication circuit. The detection part is arranged in a housing with a housing door to increase the protection of the detection part.
The length of the circuit board is 100-500 mm, and the radius of the fan surface of the first side support plate and the fan surface of the second side support plate are 30-500 mm, so that the air door testing device is suitable for testing air doors of different models, types and sizes.
Each circuit board on the cambered surface corresponds to a 10-degree central angle of the first side supporting plate and the second side supporting plate, the photoelectric sensor circuit and the MCU controller circuit on the circuit board are numbered according to the position of the circuit board at each angle, the numbers are 10 degrees and 20 degrees, the numbers are increased to 90 degrees, and the number information is coded into a program of the main controller, so that the opening angle of the air door can be conveniently displayed when the MCU controller circuit or the photoelectric sensor circuit has signals.
When the air door is used, the side wall and the bottom surface of the air door are pasted with the reflective materials. Preferably, the reflecting material is aluminum foil paper, the width and length of the aluminum foil paper are the same as those of the side wall and the bottom surface of the air door, the door shaft of the tested air door is placed on the connecting line of the central points of the first side supporting plate and the second side supporting plate, when the air door rotates, the side wall of the air door is always parallel to the cambered surface formed by the circuit board, the accuracy of measurement is ensured, a power supply line is externally connected with a power supply to electrify the device, the air door assembly is electrified, when the air door is closed and does not rotate, the photoelectric sensor circuit of the circuit board on the cambered surface can not receive a reflection signal, only the photoelectric sensor on the detection circuit board at the bottom of the air door can detect the reflection signal to indicate that the air door is closed, when the air door starts to rotate, when the air door rotates by 10 degrees, the photoelectric sensor circuit on the circuit board corresponding to the 10-degree central angle receives the reflection signal, meanwhile, the reflection signal is transmitted, the program in the main control board displays that the air door is opened for 10 degrees; when the air door rotates by 20 degrees, the photoelectric sensor circuit on the circuit board corresponding to the second 10-degree central angle receives a reflection signal, the main control board program displays that the air door is opened by 20 degrees, and so on, and when the air door rotates by 90 degrees, the main control board program displays that the air door is opened by 90 degrees, so that the closed state of the air door is judged, or whether the opening and closing program of the air door is correct or not is judged.
Compared with the prior art, the invention adopts 10 paths of detection circuit modules, 20-80 paths of detection sensors and one path of main control data analysis and processing unit, and is parallel to the radian structural design of the side movement track of the air door, thereby realizing large measurement range, high precision, convenient optimization design, improved design and improvement efficiency, and completely realizing the automatic detection of the black box of the opening and closing position state of the air door; the device has the advantages of reasonable and simple integral structure design, scientific principle, convenient operation, safety, reliability, good universality, convenient popularization and environment-friendly application.
Description of the drawings:
FIG. 1 is a schematic diagram of the detection structure of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the present invention.
The specific implementation mode is as follows:
the invention is further illustrated by the following specific examples in combination with the accompanying drawings.
Example 1:
the black box automatic checkout device of the air door position state that opens and shuts that this embodiment relates to, its major structure includes: the device comprises a first side support plate 1, a second side support plate 2, a bottom plate 3, a circuit board 4, an arc surface 5, a test space 6, a photoelectric sensor circuit 7, an MCU controller circuit 8, a data bus communication circuit 9, a main control board 10, a power line 11, a connecting line 12, an outer cover 13, an outer cover door 14, a main controller 15 and a power processing circuit 16; the first side supporting plate 1 and the second side supporting plate 2 are identical in structure, are of quarter-sector plate structures, are made of PVC materials, and are provided with rectangular tooth structures which are uniformly arranged along the edges of sector arcs; the circuit board 4 is of a long strip board structure, the width of the circuit board 4 is the same as the length of an arc corresponding to a 10-degree central angle of the first side supporting plate 1, rectangular tooth structures which are uniformly distributed are arranged on two short sides of the circuit board 4, and the size of each rectangular tooth is mutually clamped and matched with the sawtooth structures on the first side supporting plate 2 and the second side supporting plate 2; nine circuit boards 4 are clamped on the first side support plate 2 and the second side support plate 2 side by side to form an arc surface 5 formed by the nine circuit boards 4, the arc surface 5, the bottom plate 3, the first side support plate 1 and the second side support plate 2 form a test space 6, a rectangular long groove is formed in the middle of the bottom plate 4, the length and the width of the rectangular long groove are the same as the sizes of the circuit boards 4, and one circuit board 4 is arranged in the rectangular long groove; 2-8 photoelectric sensor circuits 7 with the same structure are uniformly arranged on the inner side surface of each circuit board 4, and each photoelectric sensor circuit 7 comprises a light-emitting quantity control circuit and a light-sensitive analog signal processing circuit; an MCU controller circuit 8, a data bus communication circuit 9 and a power supply processing circuit 16 are fixedly arranged on the outer side surface of each circuit board 4, the MCU controller circuit 8 on each circuit board 4 is respectively in electrical information connection with 2-8 photoelectric sensor circuits 7 and the power supply processing circuit 16 on the same circuit board 4, the MCU controller circuit 8 on each circuit board 4 is respectively in electrical information connection with a main controller 15 on a main control board 10 through the data bus communication circuit 9 on the same circuit board 4, the main controller 15 is externally connected with a power supply through a power line 11, the power supply processing circuit 16, the MCU controller circuits 8, the 2-8 photoelectric sensor circuits 7 and the data bus communication circuit on each circuit board 4 form a detection module, the detection device has 10 detection circuit modules in total, wherein nine detection circuit modules are positioned on an arc-shaped surface parallel to the rotation direction of the side wall of the air door, one path is positioned at the bottom of the air door; each circuit board 4 on the cambered surface 5 corresponds to the 10-degree central angle of the first side support plate and the second side support plate 2, the photoelectric sensor circuit 7 and the MCU controller circuit 8 on the circuit board 4 are numbered according to the position of the circuit board 4 at each angle, the numbers are 10 degrees and 20 degrees and are increased to 90 degrees, and the number information is programmed into a program of the main controller 15, so that the opening angle of the air door can be conveniently displayed when the MCU controller circuit 8 or the photoelectric sensor circuit 7 has signals. The power supply processing circuit 16 is respectively connected with the photoelectric sensor circuit 7, the MCU controller circuit 8 and the data bus communication circuit 9, and provides power supply processing signals for the photoelectric sensor circuit, the MCU controller circuit and the data bus communication circuit. The sensing portion is placed in a housing 13 with a housing door 14 to increase the protection of the sensing portion.
The length of the circuit board 4 is 100-500 mm, and the radius of the fan surface of the first side support plate and the fan surface of the second side support plate are 30-500 mm, so that the air door testing device is suitable for testing air doors of different models, types and sizes.
When the air door is used, the side wall and the bottom surface of the air door are pasted with the reflective materials. Preferably, the reflecting material is aluminum foil paper, the width and length of the aluminum foil paper are the same as those of the side wall and the bottom surface of the air door, the door shaft of the tested air door is placed on a connecting line 12 of the central points of the first side supporting plate and the second side supporting plate 2, when the air door rotates, the side wall of the air door is always parallel to the cambered surface 5 formed by the circuit board 4, the accuracy of measurement is ensured, an external power supply of a power line 11 is connected with the device to be electrified, the air door component is electrified, when the air door is closed and does not rotate, the photoelectric sensor circuit 7 of the circuit board 4 on the cambered surface can not receive a reflecting signal, only the photoelectric sensor on the detection circuit board at the bottom of the air door can detect a reflecting signal to indicate that the air door is closed, when the air door rotates by 10 degrees, the photoelectric sensor circuit 7 on the circuit board 4 corresponding to the central angle of 10 degrees receives the reflecting signal, the MCU controller circuit 8 transmits signals to the main control board 10 through the data bus communication circuit 9, and a program in the main control board 10 displays that the air door is opened for 10 degrees; when the air door rotates by 20 degrees, the photoelectric sensor circuit 7 on the circuit board 4 corresponding to the second 10-degree central angle receives a reflection signal, the main control board 10 displays that the air door is opened by 20 degrees according to a program, and the like, and when the air door rotates by 90 degrees, the main control board 10 displays that the air door is opened by 90 degrees according to the program, so that the closed state of the air door is judged, or whether the opening and closing program of the air door is correct or not is judged.
Implementation 2:
the automatic black box detection device for the open-close position state of the air door, which is related by the embodiment, has the same main structure as that of the automatic black box detection device in embodiment 1, each circuit board 4 is provided with 6 photoelectric sensor circuits 7, the device comprises 10 detection circuit modules and 60 photoelectric sensor circuits 7, the photoelectric sensor circuits 7 select reflection-type photoelectric sensors, and the reflection-type photoelectric sensors integrate a light emitter and a photoreceptor. The MCU controller of MCU controller circuit 8 is according to preset value, and the infrared light that control photoelectric sensor sent specific light quantity, when the air door lateral wall rotated corresponding photoelectric sensor position, the air door lateral wall can reflect the infrared light that photoelectric sensor transmitted to the photoreceptor, and infrared light signal is received to the photoreceptor, can change weak signal of telecommunication into, and weak signal of telecommunication passes through analog circuit amplification processing back again, transmits the MCU controller of this module circuit, carries out sampling analysis processing. When the wind door lateral wall rotates to keep away from corresponding sensor position like this, then the photoreceptor can not receive the infrared light signal that this photoelectric sensor transmission was come basically or can only receive few infrared light signal, and the photoreceptor also can change corresponding weak signal of telecommunication this moment, passes through analog circuit amplification processing back again, transmits the MCU controller for this circuit module, carries out sampling analysis and processing. The MCU controller can carry out real-time sampling analysis on 6-path photoelectric sensor signals of the module circuit, and then transmits processed signal data to the main controller 15 on the main control board 10 in real time through the data bus communication circuit 9. The main controller 15 analyzes big data by collating the data of 60 paths of sensor signals of 10 sets of detection circuit modules to judge and determine the accurate position of the current air door.
The structure of the air door adopts the cambered surface design parallel to the motion curve of the side wall of the air door, and 9 sets of detection circuit modules are mounted on the cambered surface, so that the total number of the photoelectric sensor lines 7 is 54. The cambered surface structure design makes the infrared light reflection distance of the side wall of the air door to each sensor equal in the rotation process of the air door, namely, the sensors can generate the same or similar electric signals, thereby simplifying the complexity of analyzing 60 paths of sensing signals by the main controller 15 in structure.
Claims (6)
1. A black box automatic detection device for the opening and closing position state of an air door is characterized in that a main body structure comprises a first side supporting plate, a second side supporting plate, a bottom plate, a circuit board, an arc surface, a test space, a photoelectric sensor circuit, an MCU (microprogrammed control unit) controller circuit, a data bus communication circuit, a main control board, a power line, a connecting line, an outer cover door, a main controller and a power supply processing circuit; the first side supporting plate and the second side supporting plate are the same in structure, are of quarter-sector plate structures, are made of PVC materials, and are provided with rectangular tooth structures which are uniformly arranged along the edge of a sector arc; the circuit board is of a strip plate structure, the width of the circuit board is the same as the length of an arc corresponding to a 10-degree central angle of the first side supporting plate, rectangular tooth structures which are uniformly distributed are arranged on two short sides of the circuit board, and the sizes of the rectangular teeth are mutually clamped and matched with the sawtooth structures on the first side supporting plate and the second side supporting plate; nine circuit boards are clamped on the first side support plate and the second side support plate side by side to form an arc surface formed by the nine circuit boards, the arc surface, the bottom plate, the first side support plate and the second side support plate form a test space, a rectangular long groove is formed in the middle of the bottom plate, the length and the width of the rectangular long groove are the same as the size of the circuit boards, and one circuit board is arranged in the rectangular long groove; 2-8 photoelectric sensor circuits with the same structure are uniformly arranged on the inner side surface of each circuit board, and each photoelectric sensor circuit comprises a light-emitting quantity control circuit and a light-sensitive analog signal processing circuit; the outer side surface of each circuit board is fixedly provided with an MCU controller circuit, a data bus communication circuit and a power supply processing circuit, the MCU controller circuit on each circuit board is respectively in electrical information connection with 2-8 photoelectric sensor circuits and the power supply processing circuit on the same circuit board, the MCU controller circuit on each circuit board is respectively in electrical information connection with a main controller on a main control board through the data bus communication circuit on the same circuit board, the main controller is externally connected with a power supply through a power line, the power supply processing circuit, the MCU controller circuit, the 2-8 photoelectric sensor circuits and the data bus communication circuit on each circuit board form a detection module, the detection device has 10 detection circuit modules in total, the nine detection circuit modules are positioned on an arc-shaped surface parallel to the rotation direction of the side wall of the air door, and one detection circuit module is positioned at the bottom of the air door; the power supply processing circuit is respectively connected with the photoelectric sensor circuit, the MCU controller circuit and the data bus communication circuit and provides power supply processing signals for the photoelectric sensor circuit, the MCU controller circuit and the data bus communication circuit. The detection part is arranged in a housing with a housing door to increase the protection of the detection part.
2. The automatic black box detection device for the open-close position state of the air door according to claim 1, wherein each circuit board on the arc surface corresponds to a 10-degree central angle of the first side support plate and the second side support plate, the photoelectric sensor circuit and the MCU controller circuit on the circuit boards are numbered according to the position of the circuit board at each angle, the numbers are 10 degrees and 20 degrees and are increased to 90 degrees, and the number information is programmed into a program of the main controller, so that the opening angle of the air door can be conveniently displayed when the MCU controller circuit or the photoelectric sensor circuit has signals.
3. The automatic black box detection device for the open-close position state of the air door according to claim 1 or 2, wherein the length of the circuit board is 100-500 mm, and the radius of the fan surface of the first and second side support plates is 30-500 mm, so as to adapt to the test of the air door with different types, types and sizes.
4. The automatic black box detection device for the open-close position of the air door according to claim 3, wherein the photoelectric sensor circuit is a reflection type photoelectric sensor, each circuit board is provided with 6 photoelectric sensor circuits, and the device comprises 10 detection circuit modules and 60 photoelectric sensor circuits.
5. The automatic black box detection device for the open-close position of the air door according to claim 4, wherein the device is used by sticking reflective materials on the side wall and the bottom surface of the air door.
6. The automatic black box detection device for the open-close position of the air door according to claim 5, wherein the reflective material is aluminum foil paper.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910798775.0A CN111271852B (en) | 2019-08-28 | 2019-08-28 | Automatic black box detection device for opening and closing position state of air door |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910798775.0A CN111271852B (en) | 2019-08-28 | 2019-08-28 | Automatic black box detection device for opening and closing position state of air door |
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| CN111271852A true CN111271852A (en) | 2020-06-12 |
| CN111271852B CN111271852B (en) | 2021-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114582191A (en) * | 2022-03-07 | 2022-06-03 | 南京机电职业技术学院 | Maintenance simulation training platform and training method thereof |
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| JPH11189023A (en) * | 1997-12-26 | 1999-07-13 | Nissan Motor Co Ltd | Air conditioner for vehicle |
| CN2551939Y (en) * | 2002-06-14 | 2003-05-21 | 海尔集团公司 | Electric throttle controller for refrigerator |
| CN205277473U (en) * | 2016-01-13 | 2016-06-01 | 长沙有色冶金设计研究院有限公司 | Mine ventilation throttle control device |
| CN108266853A (en) * | 2017-12-28 | 2018-07-10 | 珠海格力电器股份有限公司 | Control method and device of air deflector and air conditioner |
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2019
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| JPH11189023A (en) * | 1997-12-26 | 1999-07-13 | Nissan Motor Co Ltd | Air conditioner for vehicle |
| CN2551939Y (en) * | 2002-06-14 | 2003-05-21 | 海尔集团公司 | Electric throttle controller for refrigerator |
| CN205277473U (en) * | 2016-01-13 | 2016-06-01 | 长沙有色冶金设计研究院有限公司 | Mine ventilation throttle control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114582191A (en) * | 2022-03-07 | 2022-06-03 | 南京机电职业技术学院 | Maintenance simulation training platform and training method thereof |
| CN114582191B (en) * | 2022-03-07 | 2024-01-26 | 南京机电职业技术学院 | Maintenance imitation training platform and training method thereof |
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