CN108636633A - A kind of interior thin section steel structure fire-resisting paint construction method - Google Patents
A kind of interior thin section steel structure fire-resisting paint construction method Download PDFInfo
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- CN108636633A CN108636633A CN201810378949.3A CN201810378949A CN108636633A CN 108636633 A CN108636633 A CN 108636633A CN 201810378949 A CN201810378949 A CN 201810378949A CN 108636633 A CN108636633 A CN 108636633A
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- Prior art keywords
- signal
- equipment frame
- motor
- cycle
- reduction box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/007—At least a part of the apparatus, e.g. a container, being provided with means, e.g. wheels, for allowing its displacement relative to the ground
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
- B05B12/124—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to distance between spray apparatus and target
Abstract
The invention belongs to slim steel fireproof coating technical field of construction, disclose a kind of indoor thin section steel structure fire-resisting paint construction method.Thin section steel structure fire-resisting paint constructing device includes equipment frame and discharge nozzle；The bottom of equipment frame is provided with Universal self-locking wheel；Equipment frame end is equipped with motor, and the bottom of motor and equipment frame is bolted；It is provided with reduction box in front of motor；The bottom of reduction box and equipment frame is bolted, and reduction box input shaft is connect with motor by shaft coupling and coupling bolt；It is provided with feed mechanism in front of reduction box；Feed mechanism is arranged in feeding storehouse, and one end is connect by shaft coupling with reduction gearbox output shaft；Feeding storehouse upper end is provided with feeding port, and front is connect with moving slide board；Discharge nozzle one end connects spray gun, and the other end connects flexible pipe；Flexible pipe connects feeding storehouse outlet.Structure of the invention is scientific and reasonable, safe and convenient to use, and is conducive to improve the utilization rate of equipment.
Description
Technical field
The invention belongs to slim steel fireproof coating technical field of construction more particularly to a kind of indoor thin section steel structure fire prevention to apply
Expect construction method.
Background technology
Currently, it is to push distribution commutation control air-flow moment that slim steel fireproof coating construction, which mainly uses flush coater, principle,
Device commutates, to make the piston of air motor make the reciprocating motion of steady and continuous.Coating supercharging to sucking, through high-pressure hose
Coating is transported in the spray gun of flush coater, coated article body surface face is discharged into after being atomized coating moment by spray gun.Spray owner
It to be made of feeding device, spray gun, atomization occurring source.Suitable for leatherware handbag, gift wrap, furniture, shoes industry, automobile making
Etc. in industries.But fireproof coating constructing device in existing market is not only complicated, has a single function, and be not provided with red
Outer rangefinder when closer or far from thin section steel structure, cannot be sprayed independently or stopping acts.
In conclusion problem of the existing technology is：Traditional flush coater is complicated, has a single function, and cannot be satisfied
Multi-functional complicated requirement；And traditional flush coater is without infrared range-measurement system, it, cannot be from main jet when closer or far from thin section steel structure
It applies or stopping acts.
Invention content
In view of the problems of the existing technology, the present invention provides a kind of indoor thin section steel structure fire-resisting paint construction parties
Method.
The invention is realized in this way a kind of interior thin section steel structure fire-resisting paint construction method, the thin section steel structure
Fireproof coating constructing device includes equipment frame and discharge nozzle；
The bottom of the equipment frame is provided with Universal self-locking wheel；
The equipment frame end is equipped with motor, and the bottom of motor and equipment frame is bolted；
The cycle covariant function that the motor receives signal includes：
The signal that receives contains the mpsk signal for obeying S α S partition noises, is expressed as：
Wherein E is the mean power of signal,M=2k, m=1,
2 ... M, q (t) indicate that rectangular pulse waveform, T indicate symbol period, fcIndicate carrier frequency, φ0Initial phase is indicated, if w
(t) it is the non-Gaussian noise for obeying S α S distributions, then its autocovariance function is defined as：
Wherein (x (t- τ))<p-1>=| x (t- τ) |p-2X* (t- τ), γx(t-τ)It is the coefficient of dispersion of x (t), then x (t) is followed
Ring co-variation is defined as：
Wherein ε is known as cycle frequency, and T is a code-element period；
The cycle co-variation spectrum for receiving signal is carried out as follows：
Cycle co-variation spectrum is to recycle the Fourier transformation of covariant function, is expressed as：
It recycles co-variation spectrum and is derived as：
As M >=4,Place,
As M=2,
Wherein Q (f) is the Fourier transformation of q (t), and
Carrier frequency estimation is realized in the section that cycle frequency ε=0Hz in co-variation spectrum is recycled by extraction, is carried out as follows：
The envelope of the cycle co-variation spectrum on n=0, that is, ε=sections 0Hz be：
As f=± fcWhen, envelope obtains maximum value.
Further, it is provided with reduction box in front of the motor；The bottom of the reduction box and equipment frame is connected by bolt
It connects, reduction box input shaft is connect with motor by shaft coupling and coupling bolt；It is provided with feed mechanism in front of reduction box；
Further, the feed mechanism is arranged in feeding storehouse, and one end is connect by shaft coupling with reduction gearbox output shaft；Institute
It states feeding storehouse upper end and is provided with feeding port, front is connect with moving slide board；
Further, described discharge nozzle one end connects spray gun, and the other end connects flexible pipe；The flexible pipe connection feeding storehouse goes out
Mouthful.The spray gun is equipped with infrared range-measurement system by screw.
The infrared range-measurement system signal-noise ratio estimation method includes the following steps：
Step 1 measuring signal is mixed by N number of component signal and white Gaussian noise, asks the normalization of measuring signal
Fourth order cumulantSix rank cumulant of normalizingEight rank cumulant of normalizingEqual N+1 normalization high-order
Cumulant；
Step 2, structure normalization Higher Order Cumulants equation group；
Step 3, traverses out the modulation type combination of N number of signal, and the normalization for tabling look-up to obtain each modulation type signal is high
Rank cumulant substitutes into the top n equation in equation group, calculates the power ratio for acquiring resultant signal shared by each component signalResult is substituted into the N+1 equation, filters out correct modulation type combination；
Step 4 obtains the power ratio of resultant signal shared by correct modulation type and each component signal
According to signal-to-noise ratio (SNR) estimation formulaEstimate signal-to-noise ratio；
The normalization Higher Order Cumulants equation group construction method of time-frequency overlapped signal includes：
The signal model for receiving signal is expressed as：
R (t)=x1(t)+x2(t)+…+xn(t)+v(t)
Wherein, xi(t) it is each signal component of time-frequency overlapped signal, each component signal is independently uncorrelated, and n is time-frequency weight
The number of folded signal component, θkiIndicate the modulation to each signal component carrier phase, fciFor carrier frequency, AkiBelieve for i-th
Amplitude number at the k moment, TsiFor Baud Length, pi(t) it is raised cosine shaping filter function that rolloff-factor is α, andN (t) is that mean value is 0, variance σ2Stationary white Gaussian noise；
The Higher Order Cumulants formula of mixed signal is as follows：
Both sides simultaneously divided by mixed signal second moment k/2 powers：
It is further deformed into：
WhereinWithIndicate the ratio and noise power of each component signal power and general power and the ratio of general power
Value, is expressed asAnd λv；The Higher Order Cumulants of white Gaussian noise are 0, and above formula is expressed as：
Structure normalization Higher Order Cumulants equation group as a result,：
Advantages of the present invention and good effect are：The present invention by being provided with infrared range-measurement system, solve closer or far from
When thickness steel construction, the problem of independently cannot spraying or be stopped, intelligence is realized, and simple in structure, reduces cost,
Be conducive to improve the utilization rate of equipment
Description of the drawings
Fig. 1 is indoor thin section steel structure fire-resisting paint constructing device structural schematic diagram provided in an embodiment of the present invention；
Fig. 2 is that the moving slide board structure of indoor thin section steel structure fire-resisting paint constructing device provided in an embodiment of the present invention is shown
It is intended to；
In figure：1, equipment frame；2, discharge nozzle；3, Universal self-locking wheel；4, motor；5, power supply；6, reduction box；7, shaft coupling
Device；8, coupling bolt；9, feed mechanism；10, feeding storehouse；11, feeding port；12, moving slide board；13, spray gun；14, flexible pipe；
15, infrared range-measurement system.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows.
The structure of the present invention is explained in detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, thin section steel structure fire-resisting paint constructing device provided in an embodiment of the present invention includes equipment frame
1 and discharge nozzle 2；
The bottom of the equipment frame 1 is provided with Universal self-locking wheel 3；
1 end of the equipment frame is equipped with motor 4, and motor 4 and the bottom of equipment frame 1 are bolted；
The cycle covariant function that the motor receives signal includes：
The signal that receives contains the mpsk signal for obeying S α S partition noises, is expressed as：
Wherein E is the mean power of signal,M=2k, m=1,
2 ... M, q (t) indicate that rectangular pulse waveform, T indicate symbol period, fcIndicate carrier frequency, φ0Initial phase is indicated, if w
(t) it is the non-Gaussian noise for obeying S α S distributions, then its autocovariance function is defined as：
Wherein (x (t- τ))<p-1>=| x (t- τ) |p-2X* (t- τ), γx(t-τ)It is the coefficient of dispersion of x (t), then x (t) is followed
Ring co-variation is defined as：
Wherein ε is known as cycle frequency, and T is a code-element period；
The cycle co-variation spectrum for receiving signal is carried out as follows：
Cycle co-variation spectrum is to recycle the Fourier transformation of covariant function, is expressed as：
It recycles co-variation spectrum and is derived as：
As M >=4,Place,
As M=2,
Wherein Q (f) is the Fourier transformation of q (t), and
Carrier frequency estimation is realized in the section that cycle frequency ε=0Hz in co-variation spectrum is recycled by extraction, is carried out as follows：
The envelope of the cycle co-variation spectrum on n=0, that is, ε=sections 0Hz be：
As f=± fcWhen, envelope obtains maximum value.
As the preferred embodiment of the present invention, 4 front of the motor is provided with reduction box 6；The reduction box 6 and equipment
The bottom of frame 1 is bolted, and 6 input shaft of reduction box is connect with motor 4 by shaft coupling 7 and coupling bolt 8；Slow down
6 front of case is provided with feed mechanism 9；
As the preferred embodiment of the present invention, the feed mechanism 9 be arranged in feeding storehouse 10, one end by shaft coupling with
Reduction box 6 exports axis connection；10 upper end of the feeding storehouse is provided with feeding port 11, and front is connect with moving slide board 12；
As the preferred embodiment of the present invention, 2 one end of the discharge nozzle connects spray gun 13, and the other end connects flexible pipe 14；
The flexible pipe 14 connects feeding storehouse 10 and exports.The spray gun 13 is equipped with infrared range-measurement system 15 by screw.
The infrared range-measurement system signal-noise ratio estimation method includes the following steps：
Step 1 measuring signal is mixed by N number of component signal and white Gaussian noise, asks the normalization of measuring signal
Fourth order cumulantSix rank cumulant of normalizingEight rank cumulant of normalizingEqual N+1 normalization high-order
Cumulant；
Step 2, structure normalization Higher Order Cumulants equation group；
Step 3, traverses out the modulation type combination of N number of signal, and the normalization for tabling look-up to obtain each modulation type signal is high
Rank cumulant substitutes into the top n equation in equation group, calculates the power ratio for acquiring resultant signal shared by each component signalResult is substituted into the N+1 equation, filters out correct modulation type combination；
Step 4 obtains the power ratio of resultant signal shared by correct modulation type and each component signal
According to signal-to-noise ratio (SNR) estimation formulaEstimate signal-to-noise ratio；
The normalization Higher Order Cumulants equation group construction method of time-frequency overlapped signal includes：
The signal model for receiving signal is expressed as：
R (t)=x1(t)+x2(t)+…+xn(t)+v(t)
Wherein, xi(t) it is each signal component of time-frequency overlapped signal, each component signal is independently uncorrelated, and n is time-frequency weight
The number of folded signal component, θkiIndicate the modulation to each signal component carrier phase, fciFor carrier frequency, AkiBelieve for i-th
Amplitude number at the k moment, TsiFor Baud Length, pi(t) it is raised cosine shaping filter function that rolloff-factor is α, andN (t) is that mean value is 0, variance σ2Stationary white Gaussian noise；
The Higher Order Cumulants formula of mixed signal is as follows：
Both sides simultaneously divided by mixed signal second moment k/2 powers：
It is further deformed into：
WhereinWithIndicate the ratio and noise power of each component signal power and general power and the ratio of general power
Value, is expressed asAnd λv；The Higher Order Cumulants of white Gaussian noise are 0, and above formula is expressed as：
Structure normalization Higher Order Cumulants equation group as a result,：
The operation principle of the present invention：In use, indoor thin section steel structure fire-resisting paint constructing device, power supply 5 is connected outer
Power supply is connect, mechanism is moved in front of the required slim steel processed by Universal self-locking wheel 3, motor 4 is opened, adjusts spray gun 13
To the distance of slim steel, when 15 detecting distance of infrared range-measurement system is suitable, motor 4 is started to work；Pass through 3 He of Universal self-locking wheel
Moving slide board 12 can adjust sprayed position, until fireproof coating spraying finishes.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Every any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (4)
1. a kind of interior thin section steel structure fire-resisting paint construction method, which is characterized in that the thin section steel structure fire-resisting paint is applied
Tooling is set including equipment frame and discharge nozzle；
The bottom of the equipment frame is provided with Universal self-locking wheel；
The equipment frame end is equipped with motor, and the bottom of motor and equipment frame is bolted；
The cycle covariant function that the motor receives signal includes：
The signal that receives contains the mpsk signal for obeying S α S partition noises, is expressed as：
Wherein E is the mean power of signal,M=2k, m=1,2,
... M, q (t) indicate that rectangular pulse waveform, T indicate symbol period, fcIndicate carrier frequency, φ0Initial phase is indicated, if w (t)
It is the non-Gaussian noise for obeying S α S distributions, then its autocovariance function is defined as：
Wherein (x (t- τ))<p-1>=| x (t- τ) |p-2X* (t- τ), γx(t-τ)It is the coefficient of dispersion of x (t), then the cycle of x (t) is total
Change is defined as：
Wherein ε is known as cycle frequency, and T is a code-element period；
The cycle co-variation spectrum for receiving signal is carried out as follows：
Cycle co-variation spectrum is to recycle the Fourier transformation of covariant function, is expressed as：
It recycles co-variation spectrum and is derived as：
As M >=4,Place,
As M=2,
Wherein Q (f) is the Fourier transformation of q (t), and
Carrier frequency estimation is realized in the section that cycle frequency ε=0Hz in co-variation spectrum is recycled by extraction, is carried out as follows：
The envelope of the cycle co-variation spectrum on n=0, that is, ε=sections 0Hz be：
As f=± fcWhen, envelope obtains maximum value.
The landing ship 2. novel air as described in claim 1 comes into operation, which is characterized in that be provided with deceleration in front of the motor
Case；The bottom of the reduction box and equipment frame is bolted, and reduction box input shaft passes through shaft coupling and shaft coupling with motor
Device is bolted；It is provided with feed mechanism in front of reduction box.
The landing ship 3. novel air as described in claim 1 comes into operation, which is characterized in that the feed mechanism is arranged in feeding storehouse
In, one end is connect by shaft coupling with reduction gearbox output shaft；The feeding storehouse upper end is provided with feeding port, front and moving slide board
Connection.
The landing ship 4. novel air as described in claim 1 comes into operation, which is characterized in that described discharge nozzle one end connects spray gun, separately
One end connects flexible pipe；The flexible pipe connection feeding storehouse outlet；The spray gun is equipped with infrared range-measurement system by screw；
The infrared range-measurement system signal-noise ratio estimation method includes the following steps：
Step 1 measuring signal is mixed by N number of component signal and white Gaussian noise, seeks the normalization quadravalence of measuring signal
CumulantSix rank cumulant of normalizingEight rank cumulant of normalizingEqual N+1 normalization higher order cumulants
Amount；
Step 2, structure normalization Higher Order Cumulants equation group；
Step 3, traverses out the modulation type combination of N number of signal, and the normalization high-order for tabling look-up to obtain each modulation type signal is tired
Accumulated amount substitutes into the top n equation in equation group, calculates the power ratio for acquiring resultant signal shared by each component signalResult is substituted into the N+1 equation, filters out correct modulation type combination；
Step 4 obtains the power ratio of resultant signal shared by correct modulation type and each component signal According to
Signal-to-noise ratio (SNR) estimation formulaEstimate signal-to-noise ratio；
The normalization Higher Order Cumulants equation group construction method of time-frequency overlapped signal includes：
The signal model for receiving signal is expressed as：
R (t)=x1(t)+x2(t)+…+xn(t)+v(t)
Wherein, xi(t) it is each signal component of time-frequency overlapped signal, each component signal is independently uncorrelated, and n is time-frequency overlapping letter
The number of number component, θkiIndicate the modulation to each signal component carrier phase, fciFor carrier frequency, AkiExist for i-th of signal
The amplitude at k moment, TsiFor Baud Length, pi(t) it is raised cosine shaping filter function that rolloff-factor is α, andN (t) is that mean value is 0, variance σ2Stationary white Gaussian noise；
The Higher Order Cumulants formula of mixed signal is as follows：
Both sides simultaneously divided by mixed signal second moment k/2 powers：
It is further deformed into：
WhereinWithIndicate each component signal power and the ratio and noise power of general power and the ratio of general power, point
It is not expressed asAnd λv；The Higher Order Cumulants of white Gaussian noise are 0, and above formula is expressed as：
Structure normalization Higher Order Cumulants equation group as a result,：
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378949.3A CN108636633A (en) | 2018-04-25 | 2018-04-25 | A kind of interior thin section steel structure fire-resisting paint construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810378949.3A CN108636633A (en) | 2018-04-25 | 2018-04-25 | A kind of interior thin section steel structure fire-resisting paint construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108636633A true CN108636633A (en) | 2018-10-12 |
Family
ID=63747574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810378949.3A Pending CN108636633A (en) | 2018-04-25 | 2018-04-25 | A kind of interior thin section steel structure fire-resisting paint construction method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100339516B1 (en) * | 1999-04-02 | 2002-05-31 | 이계욱 | Unmanned hydraulic power automatic rotation, movement spraying system |
| US20140010964A1 (en) * | 2012-07-09 | 2014-01-09 | Kenneth Lee Boehm | Device and method for melting and spraying thermoplastics |
| CN104038454A (en) * | 2014-06-20 | 2014-09-10 | 西安电子科技大学 | Method for estimating carrier frequency of PSK (phase shift keying) signal in Alpha-stable distribution noise |
| CN105978641A (en) * | 2016-04-28 | 2016-09-28 | 西安电子科技大学 | Method for estimating signal-to-noise ratio of time-frequency overlapped signals in cognitive radio |
| CN107248762A (en) * | 2017-06-15 | 2017-10-13 | 武汉洁美雅科技有限公司 | A kind of Intelligent lithium battery electric patrol car control system |
| CN206567127U (en) * | 2017-03-21 | 2017-10-20 | 广州市泰堡防火材料有限公司 | A kind of thicker fire-resistant coating for steel structure constructing device |
| CN206679042U (en) * | 2017-03-07 | 2017-11-28 | 江西龙正科技发展有限公司 | A kind of thin section steel structure fire-resisting paint transfer car(buggy) with function equipment |
-
2018
- 2018-04-25 CN CN201810378949.3A patent/CN108636633A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100339516B1 (en) * | 1999-04-02 | 2002-05-31 | 이계욱 | Unmanned hydraulic power automatic rotation, movement spraying system |
| US20140010964A1 (en) * | 2012-07-09 | 2014-01-09 | Kenneth Lee Boehm | Device and method for melting and spraying thermoplastics |
| CN104038454A (en) * | 2014-06-20 | 2014-09-10 | 西安电子科技大学 | Method for estimating carrier frequency of PSK (phase shift keying) signal in Alpha-stable distribution noise |
| CN105978641A (en) * | 2016-04-28 | 2016-09-28 | 西安电子科技大学 | Method for estimating signal-to-noise ratio of time-frequency overlapped signals in cognitive radio |
| CN206679042U (en) * | 2017-03-07 | 2017-11-28 | 江西龙正科技发展有限公司 | A kind of thin section steel structure fire-resisting paint transfer car(buggy) with function equipment |
| CN206567127U (en) * | 2017-03-21 | 2017-10-20 | 广州市泰堡防火材料有限公司 | A kind of thicker fire-resistant coating for steel structure constructing device |
| CN107248762A (en) * | 2017-06-15 | 2017-10-13 | 武汉洁美雅科技有限公司 | A kind of Intelligent lithium battery electric patrol car control system |
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Application publication date: 20181012 |
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