CN110487972A - A kind of multi-faceted full-automatic testing device of smoke alarm based on rotary encoder - Google Patents
A kind of multi-faceted full-automatic testing device of smoke alarm based on rotary encoder Download PDFInfo
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- CN110487972A CN110487972A CN201910854723.0A CN201910854723A CN110487972A CN 110487972 A CN110487972 A CN 110487972A CN 201910854723 A CN201910854723 A CN 201910854723A CN 110487972 A CN110487972 A CN 110487972A
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- Prior art keywords
- rotary encoder
- main shaft
- automatic testing
- smoke alarm
- testing device
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- 238000012360 testing method Methods 0.000 title claims abstract description 64
- 239000000779 smoke Substances 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/249—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
- G01D5/2497—Absolute encoders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a kind of multi-faceted full-automatic testing devices of the smoke alarm based on rotary encoder, comprising: cabinet, inside have controller；Stepper motor is installed on the top plate of cabinet, and motor shaft front end extends downwardly into cabinet inside and stepper motor is stretched out in rear end upwards；Absolute value rotary encoder, rotating shaft transmission connect the rear end of motor shaft；Main shaft, upper end connect the front end of motor shaft, and lower end connects main shaft chassis；Turntable is tested, lower end surface is fixed with product to be measured, and upper surface removably connects main shaft chassis；Also, stepper motor and absolute value rotary encoder are electrical connected with controller respectively.Its technical solution makes it possible to the information by absolute value rotary encoder feeding back absolute position, and there is complete detection compensation ability by step-out of the controller to stepper motor, to which the repeatable accuracy of measurement result just has guarantee, realize the full-automatic testing of 8 to 32 ranges, while product to be measured easy to disassemble.
Description
Technical field
The present invention relates to smoke alarm detection device technical field more particularly to a kind of smog based on rotary encoder
The multi-faceted full-automatic testing device of alarm.
Background technique
There is a directionality test request in current smoke alarm testing standard, it is required to 8 orientation of product
Sensitivity is tested, so, manufacturer will also test the sensitivity at least eight orientation, to judge in research and development of products
The reasonability of product structure design.
Most Britain produces AWT smoke box at this stage, it is also necessary to go to rotate or move back and forth test orientation manually；Germany produces
Lorenz smoke box there is autorun, but its only simple driving rotational angle, but conventional initial install can be by
Bring the inconsistent of orientation in the uncertainty of installation, have the test angle of some products slightly rotate can bring about it is larger
Test error.Especially motor rotation the case where there may be step-outs, so that the secondary detection and detection later are all wrong
Accidentally, largely effect on the test accuracy of product to be measured.
Summary of the invention
For the above-mentioned problems in the prior art, now provides and a kind of be intended to be able to pass through the controller to stepper motor
Step-out has the multi-faceted full-automatic testing device of the smoke alarm based on rotary encoder of complete detection compensation ability, uses
To overcome above-mentioned technological deficiency.
Specific technical solution is as follows:
A kind of multi-faceted full-automatic testing device of smoke alarm based on rotary encoder, comprising:
Cabinet, inside have controller；
Stepper motor is longitudinally installed on the top plate of cabinet, and the motor shaft front end of stepper motor extends downwardly into cabinet
Portion, and the rear end cap of the casing of stepper motor is stretched out in the rear end of motor shaft upwards；
Absolute value rotary encoder is longitudinally inverted in the top of stepper motor, and the shaft of absolute value rotary encoder passes
The rear end of dynamic connection motor shaft；
Main shaft is erected in cabinet inside, and the front end of main shaft upper end connection motor shaft, lower end are connected with one and are horizontally disposed with
Main shaft chassis；
Turntable is tested, lower end surface is fixed with product to be measured, and upper surface removably connects main shaft chassis；
Also, stepper motor and absolute value rotary encoder are electrical connected with controller respectively.
Preferably, the upper surface recess of test turntable is formed with the groove to match with main shaft chassis shape.
Preferably, being embedded at least one block of magnet on the bottom surface of groove.
Preferably, the shape on main shaft chassis, groove is whole triangular in shape.
Preferably, the shape on main shaft chassis, groove is integrally in equilateral triangle, and one of angle has positioning side.
Preferably, the quantity of magnet is three pieces, and three blocks of magnet are evenly arranged in three corner locations of groove.
Preferably, main shaft lower end is bolted by one in the center on main shaft chassis.
Preferably, the shaft of absolute value rotary encoder connects the rear end of motor shaft by shaft coupling.
Preferably, the front end of main shaft and motor shaft is integrated, alternatively, main shaft upper end connects motor shaft by shaft coupling
Front end.
Preferably, the lower end surface of test turntable is connected with testing base by screw, and product to be measured is installed in test bottom
The lower end surface of seat.
The beneficial effect of above-mentioned technical proposal is:
The multi-faceted full-automatic testing device of smoke alarm based on rotary encoder include cabinet, stepper motor, absolutely
It is worth rotary encoder, main shaft, test turntable, makes it possible to the information by absolute value rotary encoder feeding back absolute position, energy
Enough there is complete detection compensation ability by step-out of the controller to stepper motor, so that the angle of surveyed range is completely just
True, so that the repeatable accuracy of measurement result just has guarantee, realize the full-automatic testing of 8 to 32 ranges, while convenient for tearing open
Fill product to be measured.
Detailed description of the invention
Fig. 1 is that the present invention is based on the structural representations of the multi-faceted full-automatic testing device of the smoke alarm of rotary encoder
Figure；
Fig. 2 is that the present invention is based on turntable is tested in the multi-faceted full-automatic testing device of the smoke alarm of rotary encoder
Top view；
Fig. 3 is that the present invention is based on turntable is tested in the multi-faceted full-automatic testing device of the smoke alarm of rotary encoder
Cross section view；
Fig. 4 is that the present invention is based on main shaft chassis in the multi-faceted full-automatic testing device of the smoke alarm of rotary encoder
Top view；
Fig. 5 is that the present invention is based on main shaft chassis in the multi-faceted full-automatic testing device of the smoke alarm of rotary encoder
Cross section view.
Specific embodiment
It is real below in order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention
Example combination attached drawing is applied to be specifically addressed the present invention.
Refering to fig. 1 to Fig. 5, and clearly to show structure feature of the invention, the top plate of cabinet is only shown in attached drawing, is saved
Controller is slightly shown, and stepper motor and absolute value rotary encoder are schematically shown.And define paper institute as shown in figure 1
The up and down direction shown is the up and down direction in the present invention.
The multi-faceted full-automatic testing device of smoke alarm provided by the invention based on rotary encoder includes:
Cabinet, inside have controller (not shown)；
Stepper motor 2 is longitudinally installed on the top plate 1 of cabinet, and the motor shaft front end of stepper motor 2 extends downwardly into cabinet
Inside, and the rear end cap of the casing of stepper motor 2 is stretched out in the rear end of motor shaft upwards；
Absolute value rotary encoder 3 is longitudinally inverted in the top of stepper motor 2, and the shaft of absolute value rotary encoder 3
The rear end of transmission connection motor shaft；
Main shaft 4 is erected in cabinet inside, and the front end of 4 upper end of main shaft connection motor shaft, and lower end is connected with a level and sets
The main shaft chassis 5 set；
Turntable 6 is tested, lower end surface is fixed with product 12 to be measured, and upper surface removably connects main shaft chassis 5.
Also, stepper motor 2 and absolute value rotary encoder 3 are electrical connected with controller respectively.
Based on the above-mentioned technical proposal, the multi-faceted full-automatic testing device of smoke alarm based on rotary encoder includes machine
Case, stepper motor 2, absolute value rotary encoder 3, main shaft 4, test turntable 6, make it possible to through absolute value rotary encoder 3
The information of feeding back absolute position, being able to pass through the controller has complete detection compensation ability to the step-out of stepper motor 2, so that
The angle of surveyed range is right-on, so that the repeatable accuracy of measurement result just has guarantee, realizes 8 to 32 ranges
Full-automatic testing, while product to be measured 12 easy to disassemble.
In a preferred embodiment, specific as shown in Figures 2 and 3, the upper surface of test turntable 6 is recessed to be formed
Have with 5 shape of main shaft chassis match groove 9, make it possible to effectively realize location and installation purpose, with guarantee test turntable 6 and
Product 12 to be measured dismount after center and the center of main shaft 4 be located on same perpendicular bisector, with play installation anchor point and oneself
Set the effect of origin.Further, at least one block of magnet 7 is embedded on the bottom surface of groove 9, to realize the mesh of portable dismounting
, but can also be realized and be connected by fastener.Further, main shaft chassis 5, the shape of groove 9 are whole triangular in shape, but
It can be quadrangle, pentagon or other irregular shapes, in order to install positioning.Further, main shaft chassis 5, groove 9
Shape is integrally in equilateral triangle, and one of angle has positioning side, in order to install positioning.Further, the number of magnet 7
Amount is three pieces, and three blocks of magnet 7 are evenly arranged in three corner locations of groove 9.Further, 4 lower end of main shaft passes through one
Bolt 10 is connected to the center on main shaft chassis 5.Preferably, being also further recessed on the bottom surface of groove 9, it is useful to hold to be formed
Set the accommodating hole in 10 cap portion of bolt.
The shaft of embodiment as a further preference, absolute value rotary encoder 3 connects motor shaft by shaft coupling
Rear end.Further, the front end of main shaft 4 and motor shaft is integrated, alternatively, 4 upper end of main shaft connects motor by shaft coupling
The front end of axis, to realize concentric purpose.Further, the lower end surface for testing turntable 6 is connected with testing base 8 by screw,
And product 12 to be measured is installed in the lower end surface of testing base 8.Obviously, above-mentioned main shaft chassis 5, test turntable 6, testing base 8
And product 12 to be measured is all to be suspended at cabinet inside by main shaft 4.
In specific test, product 12, testing base 8 and test turntable 6 to be measured are connected to due to mating independent of one another
One, by it entirely through groove 9 and the installation of magnet 7 to 5 lower end surface of main shaft chassis, due to the non-circular structure of groove 9, so that
The origin setting realized automatically when installation and orientation problem.Controller drives stepper motor 2 to run, and then main shaft 4 rotates, rotation
Controller whether is then detected and fed back by absolute value rotary encoder 3 in place, controller is PLC or single-chip microcontroller, stepper motor 2
And encoder can be electrically connected controller by conducting wire, can ensure that the step-out bring for overcoming stepper motor 2 tests orientation in this way
Difference.The difference of angle is determined by absolute value rotary encoder 3, is recorded the related data of each money type product by MCU
Database in equipment, ensuring that each corresponds to the angle-data of type product in this way will not be chaotic and be correct.Control
Curent change when sound or current detecting product when can also be alarmed with MIC testing product in device are alarmed, in conjunction with control
Device can accomplish full-automatic directionality test.Similarly, other sensitivity test project such as reperformance tests, the high and low temperature test
Also test can be performed fully automatic.
In addition, above-mentioned cabinet inside has smoke generating device, Concentration Testing necessary to smokescope test alarm
Device, blowing device then have smoke density threshold value reference in product 12 to be measured to be constituted closed smog chamber in cabinet inside
Numerical value and corresponding execution circuit, alarm also set up MIC in cabinet equally to detect sound when alarm, are normal
Technical principle is advised, therefore omits repeat here.
The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for the purpose of the present invention, and not restrictive
's.Those skilled in the art understand that in the spirit and scope defined by the claims in the present invention many changes can be carried out to it,
It modifies or even equivalent, but falls in protection scope of the present invention.
Claims (10)
1. a kind of multi-faceted full-automatic testing device of smoke alarm based on rotary encoder characterized by comprising
Cabinet, inside have controller；
Stepper motor (2) is longitudinally installed on the top plate (1) of the cabinet, and the motor shaft front end of the stepper motor (2) to
Under protrude into the cabinet inside, and the rear end cap of the casing of the stepper motor (2) is stretched out in the rear end of the motor shaft upwards；
Absolute value rotary encoder (3) is longitudinally inverted in the top of the stepper motor (2), and the absolute value rotary coding
The rotating shaft transmission of device (3) connects the rear end of the motor shaft；
Main shaft (4) is erected in the cabinet inside, and the main shaft (4) upper end connects the front end of the motor shaft, lower end connection
There is a horizontally disposed main shaft chassis (5)；
It tests turntable (6), lower end surface is fixed with product to be measured (12), and upper surface removably connects the main shaft chassis (5)；
Also, the stepper motor (2) and absolute value rotary encoder (3) are electrical connected with the controller respectively.
2. the multi-faceted full-automatic testing device of smoke alarm as described in claim 1 based on rotary encoder, feature
It is, the upper surface recess of test turntable (6) is formed with the groove (9) to match with main shaft chassis (5) shape.
3. the multi-faceted full-automatic testing device of smoke alarm as claimed in claim 2 based on rotary encoder, feature
It is, at least one piece of magnet (7) is embedded on the bottom surface of the groove (9).
4. the multi-faceted full-automatic testing device of smoke alarm as claimed in claim 3 based on rotary encoder, feature
It is, the main shaft chassis (5), the shape of groove (9) are whole triangular in shape.
5. the multi-faceted full-automatic testing device of smoke alarm as claimed in claim 4 based on rotary encoder, feature
It is, the main shaft chassis (5), the shape of groove (9) are integrally in equilateral triangle, and one of angle has positioning side.
6. the multi-faceted full-automatic testing device of smoke alarm as described in claim 4 or 5 based on rotary encoder, special
Sign is that the quantity of the magnet (7) is three pieces, and three pieces of magnet (7) are evenly arranged in three sides of the groove (9)
Angle Position.
7. the multi-faceted full-automatic testing device of smoke alarm as described in claim 1 based on rotary encoder, feature
It is, main shaft (4) lower end is connected to the center of the main shaft chassis (5) by a bolt (10).
8. the multi-faceted full-automatic testing device of smoke alarm as described in claim 1 based on rotary encoder, feature
It is, the shaft of the absolute value rotary encoder (3) connects the rear end of the motor shaft by shaft coupling.
9. the multi-faceted full-automatic testing device of smoke alarm as claimed in claim 8 based on rotary encoder, feature
It is, the front end of the main shaft (4) and motor shaft is integrated, alternatively, the main shaft (4) upper end passes through described in shaft coupling connection
The front end of motor shaft.
10. the multi-faceted full-automatic testing device of smoke alarm as described in claim 1 based on rotary encoder, feature
It is, the lower end surface of test turntable (6) is connected with testing base (8) by screw, and product to be measured (12) is installed in institute
State the lower end surface of testing base (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910854723.0A CN110487972A (en) | 2019-09-10 | 2019-09-10 | A kind of multi-faceted full-automatic testing device of smoke alarm based on rotary encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910854723.0A CN110487972A (en) | 2019-09-10 | 2019-09-10 | A kind of multi-faceted full-automatic testing device of smoke alarm based on rotary encoder |
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| Publication Number | Publication Date |
|---|---|
| CN110487972A true CN110487972A (en) | 2019-11-22 |
Family
ID=68557276
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910854723.0A Pending CN110487972A (en) | 2019-09-10 | 2019-09-10 | A kind of multi-faceted full-automatic testing device of smoke alarm based on rotary encoder |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4093867A (en) * | 1976-10-27 | 1978-06-06 | General Signal Corporation | Apparatus for automatically calibrating and testing smoke detectors |
| US4271693A (en) * | 1979-12-10 | 1981-06-09 | Bute Donald R | Device for testing smoke detector alarms |
| CN202305563U (en) * | 2011-07-25 | 2012-07-04 | 天津空中代码工程应用软件开发有限公司 | Calibration device of sensor measuring speed of gas-liquid two-phase flow and gas content |
| CN104459218A (en) * | 2013-09-25 | 2015-03-25 | 天津天维移动通讯终端检测有限公司 | Supporting device for sample to be tested in electromagnetic compatibility darkroom test system |
| CN208488838U (en) * | 2018-03-26 | 2019-02-12 | 山东法尔消防科技服务有限公司 | A kind of mobile model fire-fighting equipment detection device |
| CN109443294A (en) * | 2018-12-24 | 2019-03-08 | 孝感华工高理电子有限公司 | Angle sensor tester and angular transducer test station |
| CN208780685U (en) * | 2018-09-18 | 2019-04-23 | 威海市乐家电子科技有限公司 | A kind of gas sensor with calibration structure |
| CN211627490U (en) * | 2019-09-10 | 2020-10-02 | 宁波科赛迪电子科技有限公司 | Diversified full-automatic testing arrangement of smoke alarm based on rotary encoder |
-
2019
- 2019-09-10 CN CN201910854723.0A patent/CN110487972A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4093867A (en) * | 1976-10-27 | 1978-06-06 | General Signal Corporation | Apparatus for automatically calibrating and testing smoke detectors |
| US4271693A (en) * | 1979-12-10 | 1981-06-09 | Bute Donald R | Device for testing smoke detector alarms |
| CN202305563U (en) * | 2011-07-25 | 2012-07-04 | 天津空中代码工程应用软件开发有限公司 | Calibration device of sensor measuring speed of gas-liquid two-phase flow and gas content |
| CN104459218A (en) * | 2013-09-25 | 2015-03-25 | 天津天维移动通讯终端检测有限公司 | Supporting device for sample to be tested in electromagnetic compatibility darkroom test system |
| CN208488838U (en) * | 2018-03-26 | 2019-02-12 | 山东法尔消防科技服务有限公司 | A kind of mobile model fire-fighting equipment detection device |
| CN208780685U (en) * | 2018-09-18 | 2019-04-23 | 威海市乐家电子科技有限公司 | A kind of gas sensor with calibration structure |
| CN109443294A (en) * | 2018-12-24 | 2019-03-08 | 孝感华工高理电子有限公司 | Angle sensor tester and angular transducer test station |
| CN211627490U (en) * | 2019-09-10 | 2020-10-02 | 宁波科赛迪电子科技有限公司 | Diversified full-automatic testing arrangement of smoke alarm based on rotary encoder |
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