CN108419053A - image spot analysis system - Google Patents

image spot analysis system Download PDF

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Publication number
CN108419053A
CN108419053A CN201810261443.4A CN201810261443A CN108419053A CN 108419053 A CN108419053 A CN 108419053A CN 201810261443 A CN201810261443 A CN 201810261443A CN 108419053 A CN108419053 A CN 108419053A
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image
noise reduction
component
reduction process
personnel
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CN201810261443.4A
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CN108419053B (en
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张恩岫
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Liancheng Technology Hebei Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/70Denoising; Smoothing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/65Control of camera operation in relation to power supply

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Analysis (AREA)

Abstract

The present invention relates to a kind of porch image spot analysis systems, including:Multiple infrared detection equipment, it is arranged in toilet, each infrared detection equipment is arranged in the top of corresponding urinating bucket, is detected with the presence or absence of object for the front to corresponding urinating bucket, and when there are object, currently used state and the number of corresponding urinating bucket are sent out;Step detection device is arranged in the porch position of toilet, and for carrying out step detection to surrounding, the step detection includes:When recognizing personnel's step sound, testing staff's step sound changes with time trend, when variation tendency is to increase, sends out personnel's approach signal, and when variation tendency is to reduce, the personnel of sending out leave signal;When it is unidentified to personnel's step sound when, do not export any signal.By means of the invention it is possible to improve the intelligent control level of urinating bucket equipment.

Description

Image spot analysis system
Technical field
The present invention relates to art of image analysis more particularly to a kind of image spot analysis systems.
Background technology
Certain useful measurements, data or information are extracted from image.Purpose is to obtain certain numerical result, rather than produce Another raw image.The content of image analysis and the research field of pattern-recognition, artificial intelligence have intersection, but image analysis and allusion quotation The pattern-recognition different from of type.Image analysis is not limited to the specific region in image to be divided by the classification of fixed number Class, it is mainly to provide a kind of description about analyzed image.
For this purpose, mode identification technology should be utilized, the knowledge base about picture material is utilized again, i.e., is closed in artificial intelligence Content in terms of knowledge representation.Image analysis needs to extract the feature of image with image partition method, then to image into The description of row symbolism.This description can not only be to making answer in image with the presence or absence of a certain special object, moreover it is possible to image Content is described in detail.
Invention content
The present invention provides a kind of porch image spot analysis systems, pass through targetedly passing crowd monitoring machine first System realizes then the instant detection to passing crowd can be handled each urinating bucket respectively, small to be based on each Just the currently used state to struggle against, in porch, there are the stretching, extensions for when personnel, deciding whether to carry out shielding baffle, to improve urine The orientation sight screening ability of bucket, the safety and privacy of the urinating bucket user of protection.
According to an aspect of the present invention, a kind of porch image spot analysis system is provided, the system comprises:
Multiple infrared detection equipment are arranged in toilet, each infrared detection equipment is arranged corresponding small Just the top struggled against is detected for the front to corresponding urinating bucket with the presence or absence of object, and when there are object, is sent out and worked as The number of preceding use state and corresponding urinating bucket;
Step detection device is arranged in the porch position of toilet, for carrying out step detection, the step inspection to surrounding Survey includes:When recognizing personnel's step sound, testing staff's step sound changes with time trend, when variation tendency is to increase When big, personnel's approach signal is sent out, when variation tendency is to reduce, the personnel of sending out leave signal;Personnel's step is arrived when unidentified When sound, any signal is not exported;
Live video equipment is arranged in the porch position of toilet, is connect with the step detection device;
Wherein, the live video equipment is used for when receiving personnel's approach signal, is switched to from power down mode Working condition starts to carry out image capture to porch position, works as anticum with the multiframe for obtaining and exporting in prefixed time interval Image, is additionally operable to when receiving the personnel and leaving signal, is switched to power down mode from working condition, stops to porch position The image capture of progress;
Resolution ratio detection device is connect with the live video equipment, and the multiframe for receiving in prefixed time interval is worked as Anticum image detects each frame when anticum image executes maximum resolution, works as anticum figure to obtain and export multiframe Maximum resolution as in;
Noise reducing apparatus is customized, is connect with the resolution ratio detection device, for receiving the maximum resolution, based on described Maximum resolution determines corresponding noise reduction amplitude, and based on determining noise reduction amplitude to the multiframe when anticum image executes drop It makes an uproar processing, to obtain and export corresponding multiframe noise reduction process image, wherein the maximum resolution is bigger, and noise reduction amplitude is got over It is small.
It can be seen that the present invention at least has following three important inventive points:
(1) the noise reduction amplitude customizing mechanism based on image maximum resolution is used, the noise reduction of image is improved;
(2) by the data analysis to the multiple image in prefixed time interval, the maximum component of amplitude of variation is determined, and Based on the correspondence image of determining component, the search operation of target shape is carried out;
(3) each urinating bucket can be handled respectively, with the currently used state based on each urinating bucket, There are the stretching, extensions for when personnel, deciding whether to carry out shielding baffle for porch, to improve the orientation sight screening ability of urinating bucket.
Description of the drawings
Embodiment of the present invention is described below with reference to attached drawing, wherein:
Fig. 1 is to be shown according to the structure of the toilet where the porch image spot analysis system shown in embodiment of the present invention It is intended to.
Specific implementation mode
The embodiment of the porch image spot analysis system of the present invention is described in detail below with reference to accompanying drawings.
For public restroom, space is limited, and the sanitarywares such as washbowl, closestool one are all in a limited space It cannot lack, while ornaments will also not influence the exclusive use of each product, therefore public restroom is in space layout without any confusion On with greater need for taking some time.For public restroom in design, it is first noted that the size of various bathroom facilities, not crowded is big Premise, it is ensured that each sanitary bath equipment has a certain distance in use space.Secondly, public restroom ground is wanted in outer height It is low.Outside can be used for putting washbowl, closestool, can be waterproof and dampproof, moreover it is possible to achieve the effect that separating dry space from moist space.
For the public restroom that male uses, multiple urinating buckets are the sanitary bath equipment of indispensability, each public health The relative position and arrangement of interior multiple urinating buckets are often obstructed, and therefore, passing crowd watches each urinating bucket The visual field it is also obstructed, it is difficult to formulate effective visual field Shielding plan.
In order to overcome above-mentioned deficiency, the present invention to build a kind of porch image spot analysis system.
Fig. 1 is to be shown according to the structure of the toilet where the porch image spot analysis system shown in embodiment of the present invention It is intended to, wherein 1 is the wall for installing multiple urinating buckets.
The porch image spot analysis system shown according to an embodiment of the present invention includes:
Multiple infrared detection equipment 4 are arranged in toilet, each infrared detection equipment is arranged corresponding small Just the top of bucket 2, is detected, and when there are object with the presence or absence of object for the front to corresponding urinating bucket, sends out The number of currently used state and corresponding urinating bucket;
Step detection device is arranged in the porch position of toilet, for carrying out step detection, the step inspection to surrounding Survey includes:When recognizing personnel's step sound, testing staff's step sound changes with time trend, when variation tendency is to increase When big, personnel's approach signal is sent out, when variation tendency is to reduce, the personnel of sending out leave signal;Personnel's step is arrived when unidentified When sound, any signal is not exported.
Then, continue that the concrete structure of the porch image spot analysis system of the present invention is further detailed.
Can also include in the porch image spot analysis system:
Live video equipment is arranged in the porch position of toilet, is connect with the step detection device;
Wherein, the live video equipment is used for when receiving personnel's approach signal, is switched to from power down mode Working condition starts to carry out image capture to porch position, works as anticum with the multiframe for obtaining and exporting in prefixed time interval Image, is additionally operable to when receiving the personnel and leaving signal, is switched to power down mode from working condition, stops to porch position The image capture of progress.
Can also include in the porch image spot analysis system:
Resolution ratio detection device is connect with the live video equipment, and the multiframe for receiving in prefixed time interval is worked as Anticum image detects each frame when anticum image executes maximum resolution, works as anticum figure to obtain and export multiframe Maximum resolution as in;
Noise reducing apparatus is customized, is connect with the resolution ratio detection device, for receiving the maximum resolution, based on described Maximum resolution determines corresponding noise reduction amplitude, and based on determining noise reduction amplitude to the multiframe when anticum image executes drop It makes an uproar processing, to obtain and export corresponding multiframe noise reduction process image, wherein the maximum resolution is bigger, and noise reduction amplitude is got over It is small;
Component data extraction equipment is connect with the resolution ratio detection device, right for receiving multiframe noise reduction process image Each frame noise reduction process image executes following processing:Parse the Y-component of each pixel, U in the noise reduction process image Component and V component, determine the sum of Y-component of each pixel using as the noise reduction process image Y-component and, determine each The sum of U components of pixel using as the noise reduction process image U components and, and determine each pixel V component it With using as the noise reduction process image V component and;
By when processing equipment, connect with the component data extraction equipment, for receiving each frame noise reduction process image Y-component and each frame noise reduction process image U components and and each frame noise reduction process image V component and, and really Determine the amplitude of variation of the Y-component sum of multiframe noise reduction process image, the amplitude of variation of the U component sums of multiframe noise reduction process image and The amplitude of variation of the V component sum of multiframe noise reduction process image, using the maximum component of amplitude of variation as calibration component output;
Image zooming-out equipment, for receiving newest frame noise reduction process image, also with it is described by when processing equipment connect, with The calibration component is received, is obtained from newest frame noise reduction process image and the calibration component pair based on the calibration component The component image answered, the pattern that search meets with personnel's standard shape from the component image, and marked with personnel searching It when the pattern that quasi- shape meets, sends out target and determines signal, otherwise, send out target neutral signal;
Multipair shielding baffle 3 is arranged in toilet, per a pair of of shielding baffle plate setting in the both sides of corresponding urinating bucket 2, For by default, being contracted in the ceramic wall of corresponding urinating bucket, it is additionally operable in the expanded state, from corresponding urine Expansion, to lengthen the length of the both sides of corresponding urinating bucket, improves the sight screening energy of corresponding urinating bucket in the ceramic wall of bucket Power;
Barrier driving equipment, respectively with described image extraction equipment, multiple infrared detection equipment and multipair shielding baffle Connection, for when receiving target and determining signal, based on the number of each urinating bucket received, control and urinating bucket Number a pair of of shielding baffle expansion of urinating bucket corresponding, with currently used state.
Can also include in the porch image spot analysis system:
Timer is connect with the component data extraction equipment, for providing timing for the component data extraction equipment Operation.
Meanwhile the porch image spot analysis method shown according to an embodiment of the present invention includes:
Using multiple infrared detection equipment, it is arranged in toilet, each infrared detection equipment is arranged in correspondence Urinating bucket top, be detected with the presence or absence of object for the front to corresponding urinating bucket, and when there are object, send out Go out currently used state and the number of corresponding urinating bucket;
Using step detection device, it is arranged in the porch position of toilet, for carrying out step detection, the foot to surrounding Step detects:When recognizing personnel's step sound, testing staff's step sound changes with time trend, works as variation tendency When to increase, personnel's approach signal is sent out, when variation tendency is to reduce, the personnel of sending out leave signal;Personnel are arrived when unidentified When step sound, any signal is not exported.
Then, continue that the specific steps of the porch image spot analysis method of the present invention are further detailed.
The porch image spot analysis method can also include:
Use site video recording equipment is arranged in the porch position of toilet, is connect with the step detection device;
Wherein, the live video equipment is used for when receiving personnel's approach signal, is switched to from power down mode Working condition starts to carry out image capture to porch position, works as anticum with the multiframe for obtaining and exporting in prefixed time interval Image, is additionally operable to when receiving the personnel and leaving signal, is switched to power down mode from working condition, stops to porch position The image capture of progress.
The porch image spot analysis method can also include:
Using resolution ratio detection device, it is connect with the live video equipment, it is more in prefixed time interval for receiving Frame works as anticum image, is detected to each frame when anticum image executes maximum resolution, works as front door to obtain and export multiframe Maximum resolution in corridor image;
Using customization noise reducing apparatus, it connect with the resolution ratio detection device, for receiving the maximum resolution, is based on The maximum resolution determines corresponding noise reduction amplitude, and based on determining noise reduction amplitude to the multiframe when anticum image is held Row noise reduction process, to obtain and export corresponding multiframe noise reduction process image, wherein the maximum resolution is bigger, noise reduction width It spends smaller;
It using component data extraction equipment, is connect with the resolution ratio detection device, for receiving multiframe noise reduction process figure Picture executes following processing to each frame noise reduction process image:Parse Y points of each pixel in the noise reduction process image Amount, U components and V component, determine the sum of Y-component of each pixel using as the noise reduction process image Y-component and, determine The sum of U components of each pixel using as the noise reduction process image U components and, and determine V points of each pixel Amount the sum of using as the noise reduction process image V component and;
Using by when processing equipment, connect with the component data extraction equipment, for receiving each frame noise reduction process The U components of the Y-component of image and each frame noise reduction process image and and each frame noise reduction process image V component and, And determine the amplitude of variation of the Y-component sum of multiframe noise reduction process image, the amplitude of variation of the U component sums of multiframe noise reduction process image And the amplitude of variation of the V component sum of multiframe noise reduction process image, using the maximum component of amplitude of variation as calibration component output;
Using image zooming-out equipment, for receiving newest frame noise reduction process image, also with it is described by when processing equipment connect It connects, to receive the calibration component, is obtained from newest frame noise reduction process image and the calibration based on the calibration component The corresponding component image of component, the pattern that search meets with personnel's standard shape from the component image, and search with It when the pattern that personnel's standard shape meets, sends out target and determines signal, otherwise, send out target neutral signal;
Using multipair shielding baffle, it is arranged in toilet, per a pair of of shielding baffle plate setting the two of corresponding urinating bucket Side is contracted in the ceramic wall of corresponding urinating bucket for by default, is additionally operable in the expanded state, from corresponding Expansion, to lengthen the length of the both sides of corresponding urinating bucket, improves the sight screen of corresponding urinating bucket in the ceramic wall of urinating bucket Cover ability;
Using barrier driving equipment, respectively with described image extraction equipment, multiple infrared detection equipment and multipair shielding Baffle connects, for when receiving target and determining signal, based on the number of each urinating bucket received, and control and urine A pair of of shielding baffle expansion of the number urinating bucket corresponding, with currently used state of bucket.
The porch image spot analysis method can also include:
It using timer, is connect with the component data extraction equipment, for being provided for the component data extraction equipment Clocked operation.
Furthermore it is also possible to use multiple ultrasonic detecting equipments to replace the multiple infrared detection equipment, it is described more A ultrasonic detecting equipment is arranged in toilet, each ultrasonic detecting equipment is arranged in the top of corresponding urinating bucket, It is detected with the presence or absence of object for the front to corresponding urinating bucket.
Since ultrasonic wave directive property is strong, energy expenditure is slow, and farther out, thus ultrasonic wave is frequent for the distance propagated in the medium It can be realized by ultrasonic wave for the measurement of distance, such as rangefinder and fill level measuring device.It is past using ultrasound examination Toward it is relatively rapid, conveniently, calculate it is simple, be easy to accomplish real-time control, and industrial requirements can be reached in terms of measurement accuracy.
In order to study and utilize ultrasonic wave, people to design and be made many supersonic generators.Generally speaking, surpass Sonic generator can be divided into two major classes:One kind is with electrically generating ultrasonic wave, and one kind is mechanically to generate ultrasound Wave.Include electrically piezo-electric type, magnetostriction type and power type etc.;Mechanical system has jar (unit of capacitance) system flute, the liquid whistle and air-flow siren Deng.The frequency of ultrasonic wave, power and acoustic wave character caused by them are different, thus purposes is also different.At present compared with For the most commonly used is piezoelectric-type ultrasonic wave producers.
Piezoelectric-type ultrasonic wave producer is actually using the resonance of piezo-electric crystal come work.Inside supersonic generator There are two piezoelectric chip and a sounding boards.When his the two poles of the earth applying pulse signal, frequency is equal to the intrinsic of piezoelectric chip and shakes When swinging frequency, piezoelectric chip will resonate, and drive resonance panel vibration, just generate ultrasonic wave., whereas if between two electrodes Compressing piezoelectric chip is vibrated when sounding board receives ultrasonic wave, converts mechanical energy into electric signal by non-applied voltage, At this moment he just becomes ultrasonic receiver.
Porch image spot analysis system using the present invention, for the difference of public restroom urinating bucket in the prior art Arrangement influences the technical issues of visual field Shielding plan design, by being handled respectively each urinating bucket, to be based on The currently used state of each urinating bucket, it is more crucial in porch there are the stretching, extension for when personnel, deciding whether to carry out shielding baffle , in the detection pattern to porch personnel, using the noise reduction amplitude customizing mechanism based on image maximum resolution, Yi Jitong The data analysis to the multiple image in prefixed time interval is crossed, the maximum component of amplitude of variation is determined, based on determining component Correspondence image, the search operation of target shape is carried out, to solve above-mentioned technical problem.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention, Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as With the equivalent embodiment of variation.Therefore, every content without departing from technical solution of the present invention is right according to the technical essence of the invention Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection It is interior.

Claims (4)

1. a kind of porch image spot analysis system, which is characterized in that the system comprises:
Multiple infrared detection equipment are arranged in toilet, each infrared detection equipment is arranged in corresponding urinating bucket Top, be detected with the presence or absence of object for the front to corresponding urinating bucket, and when there are object, sending out currently makes With state and the number of corresponding urinating bucket;
Step detection device is arranged in the porch position of toilet, for carrying out step detection, the step detection packet to surrounding It includes:When recognizing personnel's step sound, testing staff's step sound changes with time trend, when variation tendency is to increase When, personnel's approach signal is sent out, when variation tendency is to reduce, the personnel of sending out leave signal;Personnel's footsteps is arrived when unidentified When sound, any signal is not exported.
2. porch image spot analysis system as described in claim 1, which is characterized in that further include:
Live video equipment is arranged in the porch position of toilet, is connect with the step detection device;
Wherein, the live video equipment is used for when receiving personnel's approach signal, and work is switched to from power down mode State starts to carry out image capture to porch position, works as anticum image to obtain and export the multiframe in prefixed time interval, It is additionally operable to when receiving the personnel and leaving signal, power down mode is switched to from working condition, stop carrying out porch position Image capture.
3. porch image spot analysis system as claimed in claim 2, which is characterized in that further include:
Resolution ratio detection device is connect with the live video equipment, and the multiframe for receiving in prefixed time interval works as front door Corridor image detects each frame when anticum image executes maximum resolution, to obtain and export multiframe when in anticum image Maximum resolution;
Noise reducing apparatus is customized, is connect with the resolution ratio detection device, for receiving the maximum resolution, is based on the maximum Resolution ratio determines corresponding noise reduction amplitude, and works as anticum image to the multiframe based on determining noise reduction amplitude and execute at noise reduction Reason, to obtain and export corresponding multiframe noise reduction process image, wherein the maximum resolution is bigger, and noise reduction amplitude is smaller;
Component data extraction equipment is connect with the resolution ratio detection device, for receiving multiframe noise reduction process image, to each Frame noise reduction process image executes following processing:Parse the Y-component of each pixel, U components in the noise reduction process image And V component, determine the sum of Y-component of each pixel using as the noise reduction process image Y-component and, determine each pixel The sum of U components of point using as the noise reduction process image U components and, and the sum of determine V component of each pixel with As the noise reduction process image V component and;
By when processing equipment, connect with the component data extraction equipment, the Y point for receiving each frame noise reduction process image Amount and each frame noise reduction process image U components and and each frame noise reduction process image V component and, and determination it is more The amplitude of variation of the Y-component sum of frame noise reduction process image, the amplitude of variation and multiframe of the U component sums of multiframe noise reduction process image The amplitude of variation of the V component sum of noise reduction process image, using the maximum component of amplitude of variation as calibration component output;
Image zooming-out equipment, for receiving newest frame noise reduction process image, also with it is described by when processing equipment connect, with receive The calibration component is obtained based on the calibration component from newest frame noise reduction process image corresponding with the calibration component Component image, the pattern that search meets with personnel's standard shape from the component image, and searching and personnel's canonical form It when the pattern that shape meets, sends out target and determines signal, otherwise, send out target neutral signal;
Multipair shielding baffle is arranged in toilet, per a pair of of shielding baffle plate setting in the both sides of corresponding urinating bucket, is used for It under default conditions, is contracted in the ceramic wall of corresponding urinating bucket, is additionally operable in the expanded state, from the pottery of corresponding urinating bucket Expansion, to lengthen the length of the both sides of corresponding urinating bucket, improves the sight screening ability of corresponding urinating bucket in porcelain wall;
Barrier driving equipment is connect with described image extraction equipment, multiple infrared detection equipment and multipair shielding baffle respectively, For when receiving target and determining signal, based on the number of each urinating bucket received, the number of control and urinating bucket A pair of of shielding baffle expansion of urinating bucket corresponding, with currently used state.
4. porch image spot analysis system as claimed in claim 3, which is characterized in that further include:
Timer is connect with the component data extraction equipment, for providing Clocked operation for the component data extraction equipment.
CN201810261443.4A 2018-03-28 2018-03-28 image spot analysis system Active CN108419053B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020107404A1 (en) * 2018-11-30 2020-06-04 唐山曹妃甸联城科技有限公司 On-site analysis system for doorway image
CN111759219A (en) * 2020-06-16 2020-10-13 浙江大学建筑设计研究院有限公司 Grab bar frame and grab bar frame system for barrier-free toilet

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CN204968208U (en) * 2015-10-08 2016-01-13 南京工程学院 Induction type electricity -saving lamp is used in lavatory
CN107682390A (en) * 2017-08-01 2018-02-09 深圳市盛路物联通讯技术有限公司 A kind of facility information processing method and processing device based on Internet of Things

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CN1521592A (en) * 2003-02-11 2004-08-18 大众电脑股份有限公司 Electricity saving control method for computer device
JP2006325164A (en) * 2005-05-20 2006-11-30 Sumitomo Osaka Cement Co Ltd Monitoring device and software program
CN204968208U (en) * 2015-10-08 2016-01-13 南京工程学院 Induction type electricity -saving lamp is used in lavatory
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Publication number Priority date Publication date Assignee Title
WO2020107404A1 (en) * 2018-11-30 2020-06-04 唐山曹妃甸联城科技有限公司 On-site analysis system for doorway image
CN111759219A (en) * 2020-06-16 2020-10-13 浙江大学建筑设计研究院有限公司 Grab bar frame and grab bar frame system for barrier-free toilet

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Address after: 063299 C2 training building, science and Technology Innovation Industrial Park, Caofeidian new city, Tangshan City, Hebei Province

Patentee after: Tangshan Caofeidian Liancheng Technology Co.,Ltd.

Address before: 063200 Municipal Service Building, Caofeidian Industrial Zone, Tangshan City, Hebei Province

Patentee before: Tangshan Caofeidian Liancheng Technology Co.,Ltd.

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 063299 C2 training building, Caofeidian new town science and Technology Innovation Industrial Park, Tangshan City, Hebei Province

Patentee after: Liancheng Technology (Hebei) Co.,Ltd.

Address before: 063299 C2 training building, Caofeidian new town science and Technology Innovation Industrial Park, Tangshan City, Hebei Province

Patentee before: Tangshan Caofeidian Liancheng Technology Co.,Ltd.