CN104215370B - Air conditioning box body air door machine driving moment of torsion and the measuring method of extreme position and system - Google Patents
Air conditioning box body air door machine driving moment of torsion and the measuring method of extreme position and system Download PDFInfo
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- CN104215370B CN104215370B CN201410419973.9A CN201410419973A CN104215370B CN 104215370 B CN104215370 B CN 104215370B CN 201410419973 A CN201410419973 A CN 201410419973A CN 104215370 B CN104215370 B CN 104215370B
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Abstract
The present invention provides a kind of air conditioning box body air door machine driving moment of torsion and the measuring method of extreme position, including: S1, the operating parameters of measuring the servomotor that tested air conditioning box body departs from, generates fixed reference feature curve；Revolution electric current according to fixed reference feature curve acquisition servomotor and the corresponding relation of output torque；S2, the feedback voltage level gathering the servomotor being connected with tested air conditioning box body and operating amperage；Air door at air conditioning box body arrives when specifying position, controls the servomotor power-off that is connected with tested air conditioning box body and shuts down；S3, according to the feedback voltage level of the servomotor being connected with measured piece gathered and operating amperage formation curve chart；S4, arranging the decision condition that air conditioning box body is qualified, the decision condition qualified according to the air conditioning box body arranged and measured feedback voltage level and operating amperage judge whether air conditioning box body air door machine driving moment of torsion and extreme position meet the requirements.
Description
Technical field
The present invention relates to electromechanical integration electronics field of measuring technique, especially a kind of air conditioning box body air door machine
Tool transmission and the measuring method of extreme position moment of torsion and system.
Background technology
Automotive air-conditioning system is that air in a car compartment is freezed, heats, takes a breath and air cleaning by realization
Device.Automobile air conditioning cabinet is by air channel, damper, the drive mechanism of driving damper and servo electricity
Machines etc. form, and are mainly used in realizing various duty air regulation translation function.
Servomotor is mainly by plastic casing, micro machine, plastic teeth wheels and position sensor (carbon film electricity
Position device) etc. element composition, servomotor is to be powered up by micro machine rotarily drive plastic teeth wheels and drive
Position sensor, position sensor feedback voltage signal is true to control unit (i.e. air conditioning for automobiles ECU)
Recognize whether damper has arrived at position and power-off, it is achieved the device of an angle output of closed loop control
Part, it is achieved the regulation of the aperture size of automobile air-conditioning throttle position.Mechanical force transmission in automotive air-conditioning system
Including following several forms: bull stick connection drives rotating arm, rocking arm again with the rotary shaft phase of air door plate washer
Even；The rotary shaft that servo motor output shaft is directly pulled with air door shelves is joined directly together.At design and production automobile
Need during air conditioning box body to verify its machine driving moment of torsion and the feedback voltage of the air door limit (closedown) position
Whether output meets requirement, to ensure that automotive air-conditioning system can normally work.
Being limited by automotive body structure, air conditioning box body is usually irregular special-shaped spatial structure, and machine
Conformational space is more complicated, and damper operates, closed mode cannot Visual Observations Observations.Therefore by air conditioning box body
The impact of structure space, cannot correctly, completely, very with equipment such as traditional torque sensor and torquemeters
The change in torque curve of real its drive mechanism of on-line measurement.
Summary of the invention
The present invention provide a kind of air conditioning box body air door machine driving moment of torsion and the measuring method of extreme position and
System.
A kind of air conditioning box body air door machine driving moment of torsion and the measuring method of extreme position, it includes walking as follows
Rapid:
S1, under nominal supply voltage, measure the operating parameters of servomotor that tested air conditioning box body departs from,
And generate fixed reference feature curve according to operating parameters；Operating according to fixed reference feature curve acquisition servomotor
Electric current and the corresponding relation of output torque；
S2, the feedback voltage level gathering the servomotor being connected with tested air conditioning box body and operating amperage；
Air door at air conditioning box body arrives when specifying position, and the servomotor controlling to be connected with tested air conditioning box body breaks
Electricity also shuts down；
S3, give birth to according to the feedback voltage level of the servomotor being connected with measured piece gathered and operating amperage
Become the curve chart with feedback voltage level as X-axis, with operating amperage as Y-axis；On curve chart
Automatically measured three extreme positions of air door of display: when damper has just touched sponge, B point, car door close
The feedback voltage level of the upper limit D point of sponge compression when the lower limit C point of sponge compression, door shutting time tight
And operating amperage；
S4, the decision condition that air conditioning box body is qualified is set, according to the judgement bar that the air conditioning box body arranged is qualified
Part and measured feedback voltage level and operating amperage judge air conditioning box body air door machine driving moment of torsion
And whether extreme position meets the requirements.
A kind of air conditioning box body air door machine driving moment of torsion and the measurement system of extreme position, it includes such as lower mold
Block:
Fixed reference feature curve sets up module, departs from for measuring tested air conditioning box body under nominal supply voltage
The operating parameters of servomotor, and generate fixed reference feature curve according to operating parameters；According to fixed reference feature
The revolution electric current of curve acquisition servomotor and the corresponding relation of output torque；
Voltage, current value acquisition module, for gathering servomotor anti-being connected with tested air conditioning box body
Feedthrough voltage value and operating amperage；Air door at air conditioning box body arrives when specifying position, controls and tested sky
Adjust the servomotor power-off of casing connection and shut down；
Module set up by real-world operation curve chart, for according to the servomotor being connected with measured piece gathered
Feedback voltage level and operating amperage generate with feedback voltage level as X-axis, with operating amperage as Y
The curve chart of axle；Automatically three extreme positions of air door measured by showing on curve chart: damper
When just having touched sponge when B point, door shutting sponge compression lower limit C point, door shutting time sponge pressure
The feedback voltage level of the upper limit D point of contracting and operating amperage；
Qualified judge module, for arranging the decision condition that air conditioning box body is qualified, according to the air-conditioning box arranged
Decision condition that body is qualified and measured feedback voltage level and operating amperage judge air conditioning box body wind
Whether door machine driving moment of torsion and extreme position meet the requirements.
The present invention provide air conditioning box body air door machine driving moment of torsion and the measuring method of extreme position and be
System, by with feedback voltage level as X-axis, measured in the curve chart with operating amperage as Y-axis
Feedback voltage level and the operating amperage of three extreme position B, C, D points of air door are qualified with air conditioning box body
Decision condition contrast, judge whether air conditioning box body air door machine driving moment of torsion and extreme position accord with
Close requirement.The scheme that the present invention provides is not limited by body structure, overcomes traditional torque sensor
And the equipment such as torquemeter cannot the change in torque of its drive mechanism of on-line measurement correct, complete, real bent
The defect of line.The present invention can be widely used for commercial measurement and the production line matter of air conditioning box body design
The application of amount detection.
Accompanying drawing explanation
Fig. 1 is air conditioning box body air door machine driving moment of torsion and the extreme position of embodiment of the present invention offer
The flow chart of measuring method；
Fig. 2 is the sub-process figure of step S3 in Fig. 1；
Fig. 3 is the sub-process figure of step S4 in Fig. 1；
Fig. 4 is air conditioning box body air door machine driving moment of torsion and the extreme position of embodiment of the present invention offer
The structured flowchart of measurement system；
Fig. 5 is the minor structure block diagram that in Fig. 4, module set up by real-world operation curve chart；
Fig. 6 is the minor structure block diagram of qualified judge module in Fig. 4；
Fig. 7 is the extreme position detection schematic diagram of air conditioning box body damper；
Fig. 8 be feedback voltage level be X-axis, the schematic diagram of the curve chart with operating amperage as Y-axis.
Detailed description of the invention
As it is shown in figure 1, in a kind of air conditioning box body air door machine driving moment of torsion of the embodiment of the present invention and the limit
The measuring method of position,
The system hardware of the measurement realizing air conditioning box body air door machine driving moment of torsion and extreme position includes control
Device processed (controller can be motor servo driver), usb data capture card, computer (or with electricity
The device that brain function is identical), programming software environment can be LABVIEW programming software and soft based on this
The automobile air-conditioning throttle extreme position detection of part environment and machine driving moment of torsion program composition.
The measuring method of air conditioning box body air door machine driving moment of torsion and extreme position comprises the steps:
S1, under nominal supply voltage, measure the operating parameters of servomotor that tested air conditioning box body departs from,
And generate fixed reference feature curve according to operating parameters；Operating according to fixed reference feature curve acquisition servomotor
Electric current and the corresponding relation of output torque.
Alternatively, in described step S1, operating parameters includes: with tested air-conditioning under nominal supply voltage
Servomotor no-load current value under the conditions of rotating and reverse that casing departs from, no-load speed value, stall
Current value, stall torque value.
The micro machine that the servomotor of automobile air conditioning cabinet uses is permanent magnet direct current motor, permanent direct-current electric
The magnetic field of motivation is fixing, as running voltage one timing, Tout=(CT* Φ * Ia) * B* η, wherein Tout
For output moment of torsion, CT is torque constant, and Φ is every pole main flux, IaFor armature supply, B is gear train
Gear ratio, η gear train efficiency.It can thus be appreciated that the moment of torsion of servomotor is in the case of magnetic flux is constant
It is directly proportional with armature supply；When driven by motor load uniform motion, output moment of torsion is identical with load torque,
Utilize this characteristic, derive in the air conditioning box body being attached thereto by measuring the operating current of servomotor
The size of mechanical transmission mechanism resistance.Thus realize the measurement of moment of torsion.
Servomotor on measured piece automobile air conditioning cabinet is removed, under nominal supply voltage, passes through
Motor servo driver (controller), measures the no-load running current value I of servomotor0, no-load speed value
SO, locked rotor current value Id, stalling torque value Td.According to servomotor industry mathematical theory model, pass through
Program draws the fixed reference feature curve of servomotor, due to servomotor biography of gear train when forward and backward
There is subtle difference in dynamic usefulness, for ensureing certainty of measurement, and can be to the forward and backward side of servomotor
To measuring respectively, and set up the fixed reference feature curve in positive and negative two directions of this servomotor respectively；And protect
Deposit the data of fixed reference feature curve so that down-stream is called.
S2, the feedback voltage level gathering the servomotor being connected with tested air conditioning box body and operating amperage；
Air door at air conditioning box body arrives when specifying position, and the servomotor controlling to be connected with tested air conditioning box body breaks
Electricity also shuts down.
Alternatively, in described step S2 when position is specified in the air door arrival of air conditioning box body, control and quilt
Survey the servomotor power-off shutting down that air conditioning box body connects to include:
When the feedback voltage level of the servomotor being connected with tested air conditioning box body gathered is more than or equal to mesh
Mark controls the higher limit of voltage, or when feedback voltage level is equal to locked rotor current value, controls and tested sky
Adjust the servomotor power-off of casing connection and shut down.
As it is shown in fig. 7, do not leak out for ensureing that the air door of air conditioning box body is closed, damper 1 two
Sponge 2 (as it is shown in fig. 7, the thickness of sponge 2 is generally 6 to 10cm) it is pasted with on face；Work as servo
Motor receives the ECU control signal energising operating of air conditioning for automobiles, by the drive mechanism of air conditioning box body
The coupking shaft 3 driving the air door of air conditioning box body operates, and the position sensor on servomotor exports instead simultaneously
Feedthrough voltage signal to the i.e. ECU of air conditioning for automobiles to be confirmed whether to have arrived at position (i.e. target control voltage)
And power-off, it is achieved a closed loop control process.When the sponge 2 on the damper 1 in air conditioning box body with
During extreme position B, C, D contact, (B point represents that damper 1 just touches sponge 2；C point table
Show door shutting, the lower limit of sponge 2 compression；D point represents door shutting, the upper limit of sponge 2 compression),
Servomotor revolution electric current curve can become suddenly big till sponge kills motor rotation blockage, existing according to this
As, utilize the transient response measurement module (Transition of LABVIEW waveform measurement
Measurements.vi), the feedback voltage level gathered, operating amperage are carried out electric current and rise flex point (B
Point i.e. sponge 2 contact point) flutter and catch, obtain feedback voltage level in synchronous acquisition, recycling
The same step number that LABVIEW software lookup target control lower voltage limit (C point), the upper limit (D point) are corresponding
C point on group data current value i.e. curve, D point data.
Damper 1 from A point to B point to baffle plate sponge 2 compress, servomotor operating output
Feedback voltage level reach target control voltage and power-off shuts down, in the control process that this is complete
In, the operating amperage that damper 1 arrives the front motor of B point is relatively more steady, when on damper 1
Sponge 2 and B point cantact after, sponge 2 starts compression.Now, the operating amperage meeting of servomotor
Fly up, form flex point B risen as shown.Along with the continuation of sponge 2 is compressed, operating electricity
Flow valuve also can increase, and arrives lower limit C point and the target control upper voltage limit D point of target control voltage,
Do not give servomotor power-off signal such as air conditioning for automobiles ECU, then the revolution electric current of servomotor is by continuation
Rise until motor rotation blockage.Can draw from above analysis: the change of the electric current of B point correspondence to locked rotor current
Process, actually air door shelves pull the process of sponge 2 the measuring of compression on 1, therefore C point, D point
Feedback voltage level, current value must delayed B point feedback voltage level and be more than B point current value, wind
Door plate washer 1 just can be closed tightly.
S3, give birth to according to the feedback voltage level of the servomotor being connected with measured piece gathered and operating amperage
Become the curve chart with feedback voltage level as X-axis, with operating amperage as Y-axis；On curve chart
Automatically measured three extreme positions of air door of display: when damper has just touched sponge, B point, car door close
The feedback voltage level of the upper limit D point of sponge compression when the lower limit C point of sponge compression, door shutting time tight
And operating amperage.
As in figure 2 it is shown, described step S3 includes following sub-step:
S31, according to the feedback voltage level of the servomotor being connected with measured piece gathered and operating amperage
Generate the curve chart with feedback voltage level as X-axis, with operating amperage as Y-axis.
S32, on curve chart, set up 3 verniers, and set up these 3 verniers and measured air door three
The incidence relation of individual extreme position B, C, D point, is surveyed so that the data frame of 3 verniers shows automatically
The feedback voltage level of measured three extreme position B, C, D point servomotors of air door of amount and revolution electric current
Value.
Feedback voltage level is X-axis, the curve chart with operating amperage as Y-axis as shown in Figure 8, its
In from A point to B point because the drive mechanism of air conditioning box body is the most disturbed.The wherein feedback of B point
Magnitude of voltage is 0.928 volt, and operating current value is 15.898mA；The feedback voltage level of C point is 0.745 volt,
Operating current value is 53.984mA；The feedback voltage level of D point is 0.621 volt, and operating current value is
116.68mA。
S4, the decision condition that air conditioning box body is qualified is set, according to the judgement bar that the air conditioning box body arranged is qualified
Part and measured feedback voltage level and operating amperage judge air conditioning box body air door machine driving moment of torsion
And whether extreme position meets the requirements.
Alternatively, as it is shown on figure 3, described step S4 includes following sub-step:
S41, the air door extreme position that air conditioning box body is set and the decision condition that machine driving moment of torsion is qualified,
The feedback voltage level of condition 1:C point is more than the feedback voltage level of B point；Condition 2:C point and B point
The difference of operating amperage meets industry regulation with the difference of locked rotor current and the operating amperage of B point.
For decision condition 1: the lower limit of target control voltage is the threshold values of actual control motor rotation power-off.
Therefore the feedback voltage level of C point have to be larger than the feedback voltage level of B point.
For decision condition 2: the increments of change reflection wind of the operating amperage of its corresponding B point of air door plate washer
The compactness that the decrement of sponge 2 on door, i.e. air door are closed.Therefore sponge 2 this thing of decrement is quantified
The method of reason characteristic: decrement %=(C point electric current-B puts electric current)/(locked rotor current-B puts electric current).
S42, according to the qualified decision condition of air conditioning box body arranged and measured feedback voltage level and
Operating amperage judges whether the air door extreme position of air conditioning box body and machine driving moment of torsion meet the requirements.
The peak-data such as larger than air conditioning box body design of the machine driving torque curve before curve B point
Requirement, illustrates that air conditioning box body drive mechanism has interference.Under usual industry specifies, the sea on air door plate washer
Brocade 2 decrements are generally between 20%～80%, therefore the operating amperage of C point correspondence should meet: B
The operating amperage of point is between locked rotor current value between 20%～80% of variable quantity.
The present invention provide air conditioning box body air door machine driving moment of torsion and the measuring method of extreme position and be
System, by with feedback voltage level as X-axis, measured in the curve chart with operating amperage as Y-axis
Feedback voltage level and the operating amperage of three extreme position B, C, D points of air door are qualified with air conditioning box body
Decision condition contrast, judge whether air conditioning box body air door machine driving moment of torsion and extreme position accord with
Close requirement.The scheme that the present invention provides is not limited by body structure, overcomes traditional torque sensor
And the equipment such as torquemeter cannot the change in torque of its drive mechanism of on-line measurement correct, complete, real bent
The defect of line.The present invention can be widely used for commercial measurement and the production line matter of air conditioning box body design
The application of amount detection.
As shown in Figure 4, the embodiment of the present invention also provides for a kind of air conditioning box body air door machine driving moment of torsion and pole
The measurement system of extreme position, it includes such as lower module:
Fixed reference feature curve sets up module 10, takes off for measuring tested air conditioning box body under nominal supply voltage
From the operating parameters of servomotor, and generate fixed reference feature curve according to operating parameters；According to reference to special
Levy the revolution electric current of curve acquisition servomotor and the corresponding relation of output torque.
Alternatively, described fixed reference feature curve is set up operating parameters in module 10 and is included: at nominal mains
The servomotor departed from tested air conditioning box body under voltage no-load current value under the conditions of rotating and reverse,
No-load speed value, locked rotor current value, stall torque value.
Voltage, current value acquisition module 20, for gathering the servomotor being connected with tested air conditioning box body
Feedback voltage level and operating amperage；Air door at air conditioning box body arrives when specifying position, controls with tested
Air conditioning box body connect servomotor power-off and shut down.
Alternatively, in the air door arrival appointment of air conditioning box body in described voltage, current value acquisition module 20
During position, control the servomotor power-off that is connected with tested air conditioning box body shutting down and include:
When the feedback voltage level of the servomotor being connected with tested air conditioning box body gathered is more than or equal to mesh
Mark controls the higher limit of voltage, or when feedback voltage level is equal to locked rotor current value, controls and tested sky
Adjust the servomotor power-off of casing connection and shut down.
Module 30 set up by real-world operation curve chart, for according to the servo being connected with the measured piece electricity gathered
The feedback voltage level of machine and operating amperage generate with feedback voltage level as X-axis, with operating amperage as Y
The curve chart of axle；Automatically three extreme positions of air door measured by showing on curve chart: damper
When just having touched sponge when B point, door shutting sponge compression lower limit C point, door shutting time sponge pressure
The feedback voltage level of the upper limit D point of contracting and operating amperage.
Alternatively, as it is shown in figure 5, described real-world operation curve chart is set up module 30 and included as placed an order
Unit:
Unit 31 set up by chart, for the feedback voltage according to the servomotor being connected with measured piece gathered
Value and operating amperage generate the curve chart with feedback voltage level as X-axis, with operating amperage as Y-axis
Table.
Corresponding relation sets up unit 32, for setting up 3 verniers on curve chart, and set up this 3
Individual vernier and the incidence relation of three extreme position B, C, D points of measured air door, so that 3 verniers
Data frame automatically show measured measured three extreme position B, C, D point servomotors of air door
Feedback voltage level and operating amperage.
Qualified judge module 40, for arranging the decision condition that air conditioning box body is qualified, according to the air-conditioning arranged
Decision condition that casing is qualified and measured feedback voltage level and operating amperage judge air conditioning box body
Whether air door machine driving moment of torsion and extreme position meet the requirements.
Alternatively, as shown in Figure 6, described qualified judge module 40 includes such as lower unit:
Rule of judgment determines unit 41, turns round for the air door extreme position and machine driving arranging air conditioning box body
The decision condition that square is qualified, the feedback voltage level of condition 1:C point is more than the feedback voltage level of B point；Bar
The difference of the operating amperage of part 2:C point and B point accords with the difference of locked rotor current and the operating amperage of B point
Conjunction industry specifies.
Judging unit 42, for according to the qualified decision condition of air conditioning box body arranged and measured anti-
Feedthrough voltage value and operating amperage judge whether are the air door extreme position of air conditioning box body and machine driving moment of torsion
Meet the requirements.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Professional further appreciates that, respectively shows in conjunction with what the embodiments described herein described
The unit of example and algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in,
In order to clearly demonstrate the interchangeability of hardware and software, the most according to functional typically
Describe to property composition and the step of each example.These functions are held with hardware or software mode actually
OK, application-specific and the design constraint of technical scheme are depended on.Professional and technical personnel can be to each
Specifically should be used for using different methods to realize described function, but this realization is not to be exceeded this
The scope of invention.
The method described in conjunction with the embodiments described herein or the step of algorithm can directly use hardware,
The software module that processor performs, or the combination of the two implements.Software module can be placed in random storage
Storage, internal memory, read only memory, electrically programmable ROM, electricity can sassafras except programming ROM, depositor,
The storage of other forms any well known in hard disk, moveable magnetic disc, CD-ROM or technical field
In medium.
It is understood that for the person of ordinary skill of the art, can be according to the skill of the present invention
Other various corresponding changes and deformation is made in art design, and all these change all should belong to this with deformation
Invention scope of the claims.
Claims (10)
1. air conditioning box body air door machine driving moment of torsion and a measuring method for extreme position, its feature
Being, it comprises the steps:
S1, the operating of the servomotor that measurement departs from tested air conditioning box body under nominal supply voltage
Parameter, and generate fixed reference feature curve according to operating parameters；According to fixed reference feature curve acquisition servo
The revolution electric current of motor and the corresponding relation of output torque；
S2, the feedback voltage level gathering the servomotor being connected with tested air conditioning box body and revolution electric current
Value；Air door at air conditioning box body arrives when specifying position, controls and watching that tested air conditioning box body is connected
Take motor power-off and shut down；
S3, according to the feedback voltage level of the servomotor being connected with measured piece gathered and revolution electric current
Value generates the curve chart with feedback voltage level as X-axis, with operating amperage as Y-axis；At curve
Automatically three extreme positions of air door measured by showing on chart: B when damper has just touched sponge
The upper limit D point of sponge compression when the lower limit C point of sponge compression, door shutting when point, door shutting
Feedback voltage level and operating amperage；
S4, the decision condition that air conditioning box body is qualified is set, according to qualified the sentencing of air conditioning box body arranged
Fixed condition and measured feedback voltage level and operating amperage judge that air conditioning box body air door machinery passes
Whether dynamic torque and extreme position meet the requirements.
2. air conditioning box body air door machine driving moment of torsion as claimed in claim 1 and extreme position
Measuring method, it is characterised in that in described step S1, operating parameters includes: at nominal supply voltage
The lower servomotor departed from tested air conditioning box body no-load current value under the conditions of rotating and reverse,
No-load speed value, locked rotor current value, stall torque value.
3. air conditioning box body air door machine driving moment of torsion as claimed in claim 1 and the survey of extreme position
Metering method, it is characterised in that in described step S2 when position is specified in the air door arrival of air conditioning box body,
Control the servomotor power-off that is connected with tested air conditioning box body shutting down to include:
When the feedback voltage level of the servomotor being connected with tested air conditioning box body gathered is more than or equal to
During the higher limit of target control voltage, control the servomotor power-off that is connected with tested air conditioning box body also
Shut down.
4. air conditioning box body air door machine driving moment of torsion as claimed in claim 3 and the survey of extreme position
Metering method, it is characterised in that described step S3 includes following sub-step:
S31, according to the feedback voltage level of the servomotor being connected with measured piece gathered and revolution electric current
Value generates the curve chart with feedback voltage level as X-axis, with operating amperage as Y-axis；
S32, on curve chart, set up 3 verniers, and set up these 3 verniers and measured air door
The incidence relation of three extreme position B, C, D points, so that the data frame of 3 verniers shows automatically
The feedback voltage level of measured three extreme position B, C, D point servomotors of air door and revolution electric current
Value.
5. air conditioning box body air door machine driving moment of torsion as claimed in claim 4 and the survey of extreme position
Metering method, it is characterised in that described step S4 includes following sub-step:
S41, the air door extreme position that air conditioning box body is set and the judgement bar that machine driving moment of torsion is qualified
Part, the feedback voltage level of condition 1:C point is more than the feedback voltage level of B point；Condition 2:C point and
The difference of the operating amperage of B point meets industry rule with the difference of locked rotor current and the operating amperage of B point
Fixed；
S42, according to the qualified decision condition of air conditioning box body arranged and measured feedback voltage level
Judge whether the air door extreme position of air conditioning box body and machine driving moment of torsion conform to operating amperage
Ask.
6. a measurement system for air conditioning box body air door machine driving moment of torsion and extreme position, its feature
Being, it includes such as lower module:
Fixed reference feature curve sets up module, for measuring and tested air-conditioning box under nominal supply voltage
The operating parameters of the servomotor that body departs from, and generate fixed reference feature curve according to operating parameters；Root
Revolution electric current and the corresponding relation of output torque according to fixed reference feature curve acquisition servomotor；
Voltage, current value acquisition module, for gathering the servomotor being connected with tested air conditioning box body
Feedback voltage level and operating amperage；Air door at air conditioning box body arrives when specifying position, controls
The servomotor power-off that is connected with tested air conditioning box body also shuts down；
Module set up by real-world operation curve chart, for according to the servo being connected with measured piece gathered
The feedback voltage level of motor and operating amperage generate with feedback voltage level as X-axis, with revolution electric current
Value is the curve chart of Y-axis；Automatically three extreme positions of air door measured by showing on curve chart:
When damper has just touched sponge when B point, door shutting sponge compression lower limit C point, car door
The feedback voltage level of upper limit D point of sponge compression and operating amperage when fastening；
Qualified judge module, for arranging the decision condition that air conditioning box body is qualified, according to the sky arranged
The qualified decision condition of casing and measured feedback voltage level and operating amperage is adjusted to judge air-conditioning
Whether casing air door machine driving moment of torsion and extreme position meet the requirements.
7. air conditioning box body air door machine driving moment of torsion as claimed in claim 6 and the survey of extreme position
Amount system, it is characterised in that described fixed reference feature curve is set up operating parameters in module and included:
The servomotor departed from tested air conditioning box body under nominal supply voltage is under the conditions of rotating and reverse
No-load current value, no-load speed value, locked rotor current value, stall torque value.
8. air conditioning box body air door machine driving moment of torsion as claimed in claim 6 and the survey of extreme position
Amount system, it is characterised in that at the air door of air conditioning box body in described voltage, current value acquisition module
Arrive when specifying position, control the servomotor power-off that is connected with tested air conditioning box body and shut down
Including:
When the feedback voltage level of the servomotor being connected with tested air conditioning box body gathered is more than or equal to
During the higher limit of target control voltage, control the servomotor power-off that is connected with tested air conditioning box body also
Shut down.
9. air conditioning box body air door machine driving moment of torsion as claimed in claim 8 and the survey of extreme position
Amount system, it is characterised in that described real-world operation curve chart is set up module and included such as lower unit:
Unit set up by chart, for the feedback electricity according to the servomotor being connected with measured piece gathered
Pressure value and operating amperage generate the song with feedback voltage level as X-axis, with operating amperage as Y-axis
Line diagram；
Corresponding relation sets up unit, for setting up 3 verniers on curve chart, and set up this 3
Individual vernier and the incidence relation of three extreme position B, C, D points of measured air door, so that 3 trips
Target data frame shows the anti-of three extreme position B, C, D point servomotors of measured air door automatically
Feedthrough voltage value and operating amperage.
10. air conditioning box body air door machine driving moment of torsion as claimed in claim 9 and extreme position
Measurement system, it is characterised in that described qualified judge module includes such as lower unit:
Rule of judgment determines unit, for arranging air door extreme position and the machine driving of air conditioning box body
The decision condition that moment of torsion is qualified, the feedback voltage level of condition 1:C point is more than the feedback voltage of B point
Value；The difference of the operating amperage of condition 2:C point and B point is electric with the operating of locked rotor current and B point
The difference of flow valuve meets industry regulation；
Judging unit, for according to the qualified decision condition of air conditioning box body arranged and measured
Feedback voltage level and operating amperage judge air door extreme position and the machine driving moment of torsion of air conditioning box body
Whether meet the requirements.
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| CN105352095B (en) * | 2015-10-27 | 2019-01-18 | 重庆绿彰科技发展有限公司 | The sterilization ventilator of remote controlled on-line monitoring |
| CN105372062B (en) * | 2015-11-17 | 2018-06-19 | 湖北开特汽车电子电器系统股份有限公司 | Air conditioning for automobiles gear train conformability method, system and application are surveyed based on transient current |
| CN110244222B (en) * | 2019-05-15 | 2021-08-31 | 深圳市万臣科技有限公司 | Limit origin positioning method and device of motor, terminal equipment and storage medium |
| CN113608118A (en) * | 2021-07-06 | 2021-11-05 | 深圳市研控自动化科技有限公司 | Method and device for detecting abnormality of servo terminal machine and computer readable storage medium |
| CN113790759B (en) * | 2021-09-16 | 2023-09-29 | 滁州职业技术学院 | Multi-sensor fusion type building measurement robot and control method thereof |
| CN116386176B (en) * | 2023-04-06 | 2024-03-26 | 深圳市慧星辰科技有限公司 | Full-automatic intelligent door lock control method, system, device, equipment and medium |
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