CN208333639U - A kind of bridge-type intelligent detection equipment for live chickens weighing - Google Patents
A kind of bridge-type intelligent detection equipment for live chickens weighing Download PDFInfo
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- CN208333639U CN208333639U CN201820842946.6U CN201820842946U CN208333639U CN 208333639 U CN208333639 U CN 208333639U CN 201820842946 U CN201820842946 U CN 201820842946U CN 208333639 U CN208333639 U CN 208333639U
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Abstract
The utility model relates to a kind of bridge-type intelligent detection equipments for live chickens weighing comprising acquisition unit (1), host (2) and terminal (3)；It is connected between acquisition unit (1) and host (2) with signal wire and is mounted on henhouse scene, terminal (3) is placed on chicken house office；Host (2) and terminal (3) wirelessly communicate；Acquisition unit (1) includes: the weighing sensor being arranged on weighing platform, the analogue signal processor being connected with the transducing signal output end of the weighing sensor, and the A/D converter being connected with the analogue signal processor.The utility model has convenient for counting chicken quantity to be measured, without manual intervention can automatic collection chicken weight data, testing result is accurate, it can display real-time weight data, small, easy to use, the strong advantage of scalability convenient for the processing, analysis and occupied area of later data.
Description
Technical field
The utility model relates to livestock-raising apparatus field more particularly to a kind of bridge-type intelligent measurements for live chickens weighing
Equipment.
Background technique
Weight is to react the important indicator of chicken growth and development, to meat production, fertility, horizontal and breed breeding of laying eggs
It is affected, therefore needs accurate, the real-time weight data for grasping every chicken of different phase in the breeding process, so as to comprehensive
The general level of the health for solving the growth and development state of chicken group, and then instructing science feeding, promoting chicken, to create economic benefit.
In the breeding process, the weight of every chicken reflects the upgrowth situation of chicken group, and poultry raiser needs according to every chicken
Weight data adjusts the data such as feeding capacity, light application time.It is designed at present for the physilogical characteristics of chicken and activity characteristic
Intelligent detection equipment is less, takes sampling Detection mode mostly in actually cultivation to detect the weight of chicken, passes through sampling Detection
The upgrowth situation of all chickens of the entire henhouse of weight energy basic understanding of the chicken arrived.It is existing to live chickens weight sampling Detection side at present
Method mainly has the detection method based on rod-type, box weighing unit.
It is domestic that the weighing system that i.e. a kind of flat feeding Breeder hens give up scene has been invented such as Henan Feng Yuan Qin Ye Co., Ltd, just
It is that one kind is based on rod-type weighing detection method, the Weighing module in the weighing system uses the spar platform of adjustable length, root
Length is adjusted according to the size of every chicken, and limits the quantity for claiming chicken, is convenient for measuring the average weight of chicken group.
Gao Yun develops pheasant weighing apparatus, and what which used is exactly a plants case
Formula is weighed detection method, chicken is fixed on one not in the cabinet of upper cover, and this cabinet is placed on scale can
Automatic display weight data.The error of measured data for being able to solve pheasant weight by the box weighing detection method is big to ask
Topic.
Although the weight of chicken is capable of detecting when by above-mentioned rod-type, box weighing detection method, in practical popularization
In again be faced with many problems, if rod-type weighing unit appeal is inadequate, jumped in application scenarios weighing bar on chicken compare
Few, sampling Detection sample convincingness is inadequate；Box weighing detection method will require manual intervention in chicken fixation procedure, it is possible to
Damage etc. is caused to chicken, it can be seen that disadvantage is also existed as follows to live chickens weight detection device aspect at present:
(1) existing weighing-appliance volume is larger, complicated for operation, and the less such equipment of installation, can not do in cultivation henhouse
To the weight data for acquiring every chicken in real time.
(2) the collected data of detection device are limited to be locally stored and show mostly, can not upload the data to office in real time
Domain net or internet carry out next step analysis.
(3) due to every chicken freedom of movement, what is grabbed in collection process is dynamic data mostly, and data precision is inadequate.
(4) it in every chicken weighing process, requires manual intervention mostly, not only increasing cost of labor can also make to chicken
At scaring, detection efficiency is not high.
(5) weighing unit seldom is designed for the physilogical characteristics of chicken and activity characteristic, can not directly counted in application process
Chicken quantity is unfavorable for calculating the average weight of detected chicken group.
(6) weighing unit design is inflexible, cannot adjust in time as the growth cycle of chicken changes.
Utility model content
The purpose of this utility model be presently, there are aiming at the problem that, provide it is a kind of for live chickens weighing bridge-type intelligently examine
Measurement equipment can effectively improve chicken weight detection efficiency, reduce human intervention bring workload；And it can be improved measurement
Precision, energy automatic collection, transmission and analysis weight data, realizes digitlization, intelligence and the high efficiency of live chickens weighing.
The purpose of this utility model is achieved through the following technical solutions:
The utility model provides a kind of bridge-type intelligent detection equipment for live chickens weighing comprising:
Acquisition unit, host and terminal；
Henhouse scene is connected and is mounted between the acquisition unit and host with signal wire, terminal is placed on chicken house office
Room；Host and terminal wireless communication；
The acquisition unit includes: the weighing sensor being arranged on weighing platform, the sensing with the weighing sensor
The connected analogue signal processor of signal output end, and the A/D converter being connected with the analogue signal processor.
It is highly preferred that the weighing sensor collects the weighing data signal of every chicken, and through analogue signal processor
Signal is amplified, the analog signal of amplification is converted into digital signal through A/D converter, passes through the signal wire connecting with host
By the digital data transmission to host.
It is highly preferred that the acquisition unit further include: weighing bracket；
The weighing bracket includes weighing platform and sidebar；The sidebar is two, with weighing platform center line base
Standard is symmetricly set on weighing platform, and the spacing between two sidebars allows chicken to pass through；The sidebar includes arch shield
Pipe and transverse connecting rod, wherein transverse connecting rod is multiple, is arranged in parallel between two side pipes of arch pillar, and adjacent transverse connects
Spacing between extension bar is less than the diameter of a cross-section of a tree trunk 1.3 meters above the ground of chicken.
It is highly preferred that the weighing bracket further include: for adjusting the lateral adjustments unit of spacing between two sidebars.
It is highly preferred that the weighing bracket further include: for adjusting the telescopic rod of two sidebar height.
It is highly preferred that the weighing bracket further include: the idler wheel of weighing platform bottom is arranged in.
It is highly preferred that the host includes:
Microprocessor, display, power module, memory and wireless transport module；
Microprocessor is connected by pin with display, power module, memory and wireless transport module；
The wireless transport module receive acquisition unit the collected digital signal comprising weighing data and send to
Microprocessor；
Weighing data is sent to memory and is shown by display by the microprocessor, and valid data are saved in memory,
Digital signal is transferred to terminal 3 by wireless transport module；
The power module is the host supplying power.
It is highly preferred that the host further include: communication interface；
The communication interface connects with the pin of the microprocessor；The communication interface is communicated with host computer.
It is highly preferred that the terminal includes:
Wireless transport module, decoder, database and chart conversion equipment；
Wireless transport module in the terminal is communicated with the wireless transport module in the host；
Wireless transport module in the terminal connects with the decoder；
The decoder connects with the database and the chart conversion equipment respectively；
The database connects with the chart conversion equipment.
The utility model has following technical effect:
1, convenient for statistics chicken quantity to be measured
Physilogical characteristics and activity characteristic of the utility model by acquisition unit for chicken design, can be big according to the chicken bodily form
It is small that weighing bracket size is adjusted flexibly, convenient for counting chicken quantity to be measured.It is particularly suitable for henhouse weight sampling Detection, it can be greatly
Improve the working efficiency of feeding personnel and administrative staff.
It 2, can automatic collection chicken weight data without manual intervention
Equipment is mounted on henhouse hole by the utility model, without manual intervention can automatic collection chicken weight data,
It is easy to operate, easy for installation, it is truly realized chicken weight data detection facilitation, intelligence.
3, testing result is accurate.
The utility model is used with high-precision sensor, the high-performance processor for being automatically replenished function, so as to mention
High measurement accuracy.
4, it can display real-time weight data
The utility model not only can display real-time weight data by display, also have interactive function, can flexible setting
System parameters and other functions.
5, convenient for the processing of later data, analysis
The weight data of acquisition can be passed through bluetooth, WIFI mode by the interior wireless transport module set by the utility model
It is transferred to local area network or internet；Terminal device can weight data on real time access network, and can be according to the weight number of upload
According to automatic Evaluation upgrowth situation, according to time inquiring history detection data.
6, occupied area is small, easy to use, and scalability is strong
The utility model occupied area is small, flexible and convenient to use, and uses stainless steel material, and sealing performance is preferable, firm
Durable, Rainproof moisture-proof, convenient for promoting and applying in each base, scalability is strong.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the sidebar structural schematic diagram of acquisition unit in the utility model.
In attached drawing:
Acquisition unit 1, host 2 and terminal 3.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the application, below with reference to attached drawing to this reality
It is described in further details with novel.
The positional terms such as the upper, lower, left, right, front and rear in present specification be positional relationship based on the figure and
It establishes.Attached drawing is different, then corresponding positional relationship is also possible to change therewith, therefore cannot be interpreted as with this to protection model
The restriction enclosed.
In the description of the present invention, it should be understood that being removed the meaning of " plurality " is two or more are referred to
It is non-separately to have clearly specific restriction.
In the utility model, belonging to " installation ", " connected ", " connecting ", " connection ", " fixation " etc. shall be understood in a broad sense, example
Such as, it may be a fixed connection, may be a detachable connection, be also possible to be integrally connected, be also possible to be mechanically connected, it can also
To be electrical connection or can be in communication with each other, it is also possible to be directly connected to, is also possible to be indirectly connected with by intermediary, can be
Connection inside two components, is also possible to the interaction relationship of two components.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Embodiment one:
The utility model provide it is a kind of for live chickens weighing bridge-type intelligent detection equipment, for chicken physilogical characteristics and
Activity characteristic and design, by henhouse hole install this equipment can automatic collection chicken weight, be truly realized chicken weight
Intellectualized detection；The chicken weight data that the utility model detects, which can be realized, to be locally stored, shows, can also be by built-in
Data transmission module is automatically transferred to internet, and manager can be by checking that the average weight for having surveyed chicken group and history are weighed from the background
Data, facilitate later data processing, analysis, make science decision, this to ensure chicken healthy growth, save feeding cost,
It increases economic efficiency and is of great significance, there are good social value and application scenarios.The structure of the utility model such as Fig. 1 institute
Show comprising: acquisition unit 1, host 2 and terminal 3.
It is connected between acquisition unit 1 and host 2 with signal wire and is mounted on henhouse scene, terminal 3 is placed on chicken house office；
Host 2 is communicated by wireless transport module with terminal 3.
Acquisition unit 1 collects the weighing data of every chicken by weighing sensor, and converts through analogue signal processor
For digital signal, by the signal wire that is connect with host 2 by the digital data transmission to host 2；Host 2 transmits digital signal
To microprocessor, weighing data is sent to memory and is shown by display by microprocessor, while valid data are saved in built-in SD
In card, terminal 3 is transferred data to by wireless transport module；The external 220V AC power source of host 2 carries out transformation power supply, uses
The realization of RS232 serial communication interface is communicated with host computer.
Acquisition unit 1, the function of host 2 and terminal 3 and structure are specific as follows:
One, acquisition unit 1
Acquisition unit 1 includes weighing bracket, weighing sensor, analogue signal processor, A/D converter (analog/digital conversion
Device) composition.Weighing sensor is arranged on weighing platform, and the transducing signal output end of weighing sensor connects analog signal processing
Device and analogue signal processor are connected with A/D converter.When chicken activity is to weighing bracket since gravity forces title
Retransmit sensor deformation occurs, pressure signal is converted into faint voltage signal by weighing sensor, through analogue signal processor into
The analog signal of amplification is converted into digital signal by the amplification of row signal, A/D converter；Digital signal passes through acquisition unit 1 and master
Signal wire carrying between machine 2 is transferred to host 2.
Wherein, weighing bracket is bridge architecture, is the basic components of acquisition unit, plays the role of supporting and fixing,
It is made of weighing platform, sidebar, lateral adjustments unit, telescopic rod and idler wheel, weighing platform, sidebar, lateral adjustments unit
It is all made of stainless steel material with telescopic rod, sealing performance is preferable, sturdy and durable, Rainproof moisture-proof.
Sidebar is two, is arranged on weighing platform with weighing platform center line reference symmetry, between two sidebars
Spacing be greater than chicken the diameter of a cross-section of a tree trunk 1.3 meters above the ground, to allow chicken to pass through.The structure of the sidebar is as shown in Fig. 2, the sidebar includes
Arch pillar and transverse connecting rod, wherein transverse connecting rod is multiple, is arranged in parallel between two side pipes of arch pillar, adjacent
Spacing between transverse connecting rod is less than the diameter of a cross-section of a tree trunk 1.3 meters above the ground of chicken, passes through to avoid chicken from the gap between transverse connecting rod.
In order to realize the position-adjustable of sidebar, lateral adjustments unit is additionally provided on the weighing platform of the weighing bracket,
The position of adjustable sidebar allows the chickens of the different bodily forms to realize that transverse width is adjustable (maximum is by width for 255mm)
One can only be passed through every time.The lateral adjustments unit can by jackscrew, weighing platform sliding slot and weighing platform side
Wire hole composition may be implemented to adjust sidebar position by the way that sidebar is inserted into sliding slot and holds out against the sidebar with jackscrew
Purpose.The lateral adjustments unit can also be by the fixation hole that is arranged symmetrically, by the way that sidebar to be inserted into the fixation hole, Ke Yishi
Now adjust the purpose of sidebar position.The lateral adjustments unit can also include lead screw and nut, and wherein nut is fixed on weighing
On platform, lead screw and nut are rotated with motor drive is associated with, and the purpose for adjusting the position of sidebar may be implemented.
In order to realize the height for adjusting sidebar, in the sidebar lower end of weighing bracket, setting is there are four telescopic rod, can be with
The height of flexible modulation sidebar is easily installed in various sizes of henhouse hole.
It is fixed in order to facilitate the carrying and direction of weighing bracket, it is (such as universal that bracket bottom end is provided with adjustable idler wheel
Wheel), carrying can be facilitated, when bracket needs fixed, fixation is can be realized in the direction switch directly dialled on bottom roller.
Weighing sensor is placed in weighing bracket bottom end, is made of force sensitive component and conversion circuit, is acquisition unit
Core component, mainly realize the conversion of pressure signal to voltage signal.Here the foil gauge high using precision, stability is good
Formula sensor, sensitivity 2mV/V, maximum are weighed as 5kg.When chicken passes through weighing bracket, since gravity causes to sense
Deformation occurs for device, and impedance is made to change, and realizes the conversion of pressure signal to electric signal.
Analogue signal processor is made of amplifying circuit and filter circuit, the faint simulation that will mainly be exported by sensor
Signal amplifies processing.
A/D converter is mainly made of HX711 chip and external circuit, and function is that analog voltage signal is converted into number
Signal facilitates subsequent processing.HX711 chip has many advantages, such as that corresponding speed is fast, stability is good, and highest has 24 conversion accuracies
With 128 times of amplification factors, in addition HX711 chip interior is integrated with clock oscillator and regulated power supply, can directly to sensor into
Row power supply.
Two, host 2
Host 2 is analyzed for realizing data, shows, is stored and transmitted comprising microprocessor, display, power module,
Memory, wireless transport module and communication interface.Microprocessor passes through pin and display, power module, memory, wireless biography
Defeated module and communication interface connect.Start button is additionally provided on the host 2, after start button is pressed, host 2 is completed initially
Change and resets.
Host 2 by acquisition unit 1 the digital signal of collected weighing data send microprocessor to, microprocessor will
Weighing data is sent to memory and is shown by display, while valid data being saved in internal memory, by being wirelessly transferred mould
Block is by digital data transmission to terminal 3；The external 220V AC power source of host 2 carries out transformation power supply, is connect using RS232 serial communication
Cause for gossip is existing to be communicated with host computer.
Microprocessor uses 32 ARM single-chip microcontroller TM4C123GH6PZ for core controller, is realized according to the parameter of input
The analysis and processing of data, and connected route by corresponding pin display, memory, wireless transport module and communication interface
Control data show, store and transmit.The chip uses ARM Cortex-M4 framework, and FPU operation can be carried out by being integrated with 32
Floating point unit processor, internal Flash is the memory of 256KB, and clock can reach 80MHZ, periphery rich in
Interface.
The LCD display that display is high using resolution, performance is stable, can read in real time, show that acquisition unit samples
Weighing data, and provide man-machine interactive interface.By the man-machine interactive interface, system parameter and function may be implemented
It can be arranged, such as function selects setting, parameter setting, clearing, wherein bluetooth may be selected in function selection setting, WiFi mode will count
According to local area network or internet is transferred to, ginseng setting includes resetting range, sentencing steady range, sentence steady time, sample frequency etc..
Power module by rectifier bridge, filtering, obtains external 220V alternating current using voltage stabilizing chip LM2576HVT-12
To+12V DC regulated power supply, and fuse protecting device is designed to ensure powered stable.
Memory using small in size, high reliablity SD card as storage medium, read or write speed up to 1Mbyte/s or more,
Memory capacity is 128GB, for realizing being locally stored for acquisition data.
Wireless transport module provides two kinds of connection types of bluetooth and/or WIFI, will acquire data and be transferred to local area network or mutual
Networking.This module realizes that wherein WiFi transmission can support IEEE using the APM6658 chip of Bluetooth communication and WiFi is supported
802.11b/g/n standard, outdoor ranges have many advantages, such as that low in cost, transmission rate is high, networking flexibility farthest up to 300m.
The setting of above-mentioned communication interface is the read-write behaviour that data are completed to further be communicated with host computer
Make.The communication interface uses RS232 serial communication interface.
Three, terminal 3
Terminal 3 includes wireless transport module, decoder, database and chart conversion equipment.Wireless transport module therein
Connect with decoder；Decoder connects with database and chart conversion equipment respectively；The database and chart conversion equipment phase
It connects.Above-mentioned chart conversion equipment can select existing chart reforming unit and method to realize, such as application No. is
The chart conversion equipment and method of CN201710463761.4.
Terminal 3 receives the digital signal of the transmission from host 2 by wireless transport module, is believed by decoder number
It number is parsed, obtains the weight data of the different number chickens of daily different time correspondence detected, including chicken number, set
Standby number, weight data, date etc.；These data are saved in database.When needing, pass through the instruction in chart conversion equipment
The weight perfected-appraisal of growth model is calculated, and is converted to diagrammatic form and is visualized.The terminal 3 also provides
Human-computer interaction interface, by the human-computer interaction interface, user can also be according to device numbering, time to the historical record in database
It is inquired, to fully understand the upgrowth situation of chicken.
The working principle of the utility model is as follows:
S1 makes chicken to be measured energy one just according to the size of the weighing bracket on the big minor adjustment acquisition unit 1 of chicken to be measured
Only one passes through.
S2 powers on, and presses 2 start button of host, sets every acquisition parameter, initializes host 2 and resets；
S3, the automatic collection weight data when chicken passes through acquisition unit 1, the display real-time display current number of host 2
According to, and valid data are saved in local, and terminal 3 is transferred to by wireless transport module.
S4, after terminal 3 receives the data of the transmission of host 2, database is arrived in storage, by training in chart conversion equipment
Weight-appraisal of growth model automatically derive the weight analysis report (lay particular stress on, is normal, is partially light) of current chicken, can display the details of
The information such as device numbering, chicken week old, weight data, reference data, the detection time of chicken are detected, and can be calculated automatically
Current henhouse has surveyed the average weight of chicken, and manager is facilitated to understand the whole upgrowth situation of current henhouse.
Although the utility model has been described by way of example and in terms of the preferred embodiments, embodiment does not limit the utility model.Not
It is detached from the spirit and scope of the utility model, any equivalent change or retouch done also belongs to the guarantor of the utility model
Protect range.Therefore the protection scope of the utility model should be based on the content defined in the claims of this application.
Claims (9)
1. a kind of bridge-type intelligent detection equipment for live chickens weighing, which is characterized in that the bridge-type intelligence for live chickens weighing
Can detection device include:
Acquisition unit (1), host (2) and terminal (3)；
It is connected between the acquisition unit (1) and host (2) with signal wire and is mounted on henhouse scene, terminal (3) is placed on chicken house
Office；Host (2) and terminal (3) wirelessly communicate；
The acquisition unit (1) includes: the weighing sensor being arranged on weighing platform, is believed with the sensing of the weighing sensor
The connected analogue signal processor of number output end, and the A/D converter being connected with the analogue signal processor.
2. a kind of bridge-type intelligent detection equipment for live chickens weighing according to claim 1, which is characterized in that the title
It retransmits sensor and collects the weighing data signal of every chicken, and amplify signal through analogue signal processor, through A/D converter
The analog signal of amplification is converted into digital signal, by the signal wire that connect with host (2) by the digital data transmission to master
Machine (2).
3. a kind of bridge-type intelligent detection equipment for live chickens weighing according to claim 2, which is characterized in that described to adopt
Collect unit (1) further include:
Weighing bracket；
The weighing bracket includes weighing platform and sidebar；The sidebar is two, with weighing platform center line benchmark pair
Claim to be arranged on weighing platform, the spacing between two sidebars allows chicken to pass through；The sidebar include arch pillar and
Transverse connecting rod, wherein transverse connecting rod is multiple, is arranged in parallel between two side pipes of arch pillar, adjacent transverse connecting rod
Between spacing be less than chicken the diameter of a cross-section of a tree trunk 1.3 meters above the ground.
4. a kind of bridge-type intelligent detection equipment for live chickens weighing according to claim 3, which is characterized in that the title
Weight bracket further include:
For adjusting the lateral adjustments unit of spacing between two sidebars.
5. a kind of bridge-type intelligent detection equipment for live chickens weighing according to claim 4, which is characterized in that the title
Weight bracket further include:
For adjusting the telescopic rod of two sidebar height.
6. a kind of bridge-type intelligent detection equipment for live chickens weighing according to claim 4, which is characterized in that the title
Weight bracket further include:
The idler wheel of weighing platform bottom is set.
7. a kind of bridge-type intelligent detection equipment for live chickens weighing according to claim 1, which is characterized in that the master
Machine (2) includes:
Microprocessor, display, power module, memory and wireless transport module；
Microprocessor is connected by pin with display, power module, memory and wireless transport module；
The wireless transport module receive acquisition unit (1) the collected digital signal comprising weighing data and send to micro-
Processor；
Weighing data is sent to memory and is shown by display by the microprocessor, and valid data are saved in memory, will be counted
Word signal is transferred to terminal (3) by wireless transport module；
The power module is the host (2) power supply.
8. a kind of bridge-type intelligent detection equipment for live chickens weighing according to claim 7, which is characterized in that the master
Machine (2) further include:
Communication interface；
The communication interface connects with the pin of the microprocessor；The communication interface is communicated with host computer.
9. a kind of bridge-type intelligent detection equipment for live chickens weighing according to claim 1, which is characterized in that the end
End (3) includes:
Wireless transport module, decoder, database and chart conversion equipment；
Wireless transport module in the terminal (3) is communicated with the wireless transport module in the host (2)；
Wireless transport module in the terminal (3) connects with the decoder；
The decoder connects with the database and the chart conversion equipment respectively；
The database connects with the chart conversion equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820842946.6U CN208333639U (en) | 2018-05-31 | 2018-05-31 | A kind of bridge-type intelligent detection equipment for live chickens weighing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820842946.6U CN208333639U (en) | 2018-05-31 | 2018-05-31 | A kind of bridge-type intelligent detection equipment for live chickens weighing |
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| CN208333639U true CN208333639U (en) | 2019-01-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243447A (en) * | 2019-06-13 | 2019-09-17 | 广州影子科技有限公司 | Weighing device and weighing method |
| US11860027B2 (en) | 2019-03-04 | 2024-01-02 | Duradiamond Software Limited | Weight measurement system, weigh head apparatus and methods |
-
2018
- 2018-05-31 CN CN201820842946.6U patent/CN208333639U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11860027B2 (en) | 2019-03-04 | 2024-01-02 | Duradiamond Software Limited | Weight measurement system, weigh head apparatus and methods |
| CN110243447A (en) * | 2019-06-13 | 2019-09-17 | 广州影子科技有限公司 | Weighing device and weighing method |
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