CN209673208U - Weighing instrument and weighing system - Google Patents
Weighing instrument and weighing system Download PDFInfo
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- CN209673208U CN209673208U CN201920400641.4U CN201920400641U CN209673208U CN 209673208 U CN209673208 U CN 209673208U CN 201920400641 U CN201920400641 U CN 201920400641U CN 209673208 U CN209673208 U CN 209673208U
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Abstract
The utility model provides a kind of weighing instrument and weighing system, wherein the weighing instrument includes: the interface board for connecting weighing-appliance, connects the network interface and remote desktop service module of local area network or wide area network；The remote desktop service module connects control terminal by the network interface.Weighing instrument and weighing system provided by the utility model can realize remote control operation to weighing instrument, keep the operation in the operation of control terminal and on weighing instrument just the same.
Description
Technical field
The utility model belongs to weighing measurement technology more particularly to a kind of weighing instrument and weighing system.
Background technique
What traditional measurement mode generallyd use be weighing instrument and measuring device is direct-connected, which is read by survey crew
Measurement data shown by instrument.For example, weighing instrument can be connected to weighing platform during check weighing, weighing platform passes through survey therein
After re-transmission sensor detects related data, final check weighing result is calculated by weighing instrument and is shown in the display of weighing instrument
On screen.This traditional measurement method needs measurement of correlation personnel to measure record, and related weighing instrument in measure field
The preservation & testing of table.
On the basis of this traditional measurement mode, uses, have using wireless network connection to measurement result in order to facilitate
The scheme remotely obtained.For example, US20140156524A2 disclose a kind of vehicle weighing system using wireless device and
Method, wherein server is connect with client (measurement end) and user terminal respectively, and server sends user account to client
Information carries out user information matching so as to client to carrying out check weighing, and receive client transmission weighing information and to
Family terminal forwards the payment request of client, is automatically performed weighing and payment process.
For another example, 207882736 U of CN discloses a kind of weighing instrument and weighing system.Wherein, weighing instrument includes connection
The bus interface of weighing sensor, the Industrial Ethernet bus interface and network service module for connecting PLC, network service module are logical
The Industrial Ethernet bus interface connection display equipment and/or Weighing control equipment are crossed, by being multiplexed Industrial Ethernet interface
And field wiring, it shows that more weighing instruments can be accessed in equipment and Weighing control equipment simultaneously, brings pole for on-site maintenance
Convenience.
Sometimes also weighing instrument can be connected directly to computer, by Computer display, record and the relevant measurement of management
Data.Equally by taking above-mentioned check weighing process as an example, after weighing instrument is connect with weighing platform, then by weighing instrument meter is connected to by serial ports
Calculation machine.However the weighing management software in computer can only read the check weighing value of weighing instrument, and in measurement process, symmetrically
Weight instrument issues some simple one-way operation instructions.Such as according to preset command format, from the serial ports of computer terminal
Or network interface issues CPTZ (clear skin, printing, peeling, clearing) order.
However the acquisition modes of several pairs of above-mentioned check weighing results, the terminal node of user all only from server and
Several specific weighing numerical value are obtained in the intermediate equipments such as PLC, and are shown on the interface of oneself weighing management software, actually
Terminal node is simultaneously unaware of which kind of state weighing instrument is currently at, and cannot achieve and is operating complete phase with execution on weighing instrument
Same using effect.
Therefore work as and need to inquire weighing instrument virtual condition, or need to carry out weighing instrument to detect the work such as maintenance,
And when modifying the parameter of weighing instrument, survey crew still has to weighing instrument set-down location to be arrived, close on weighing instrument
It is just able to achieve from operation.Especially when the distribution of more weighing instruments at different locations or the position placed of weighing instrument
When ransacing difficulty, workload is just increased more.
Utility model content
The technical problems to be solved in the utility model is that needs as described in the prior art operate ability on weighing instrument
It realizes to work such as the detection of weighing instrument maintenances and causes inconvenient for use, and provide connection method and the dress of a kind of weighing instrument
It sets and the sharing method and system of measurement data.
In order to solve the above technical problems, the utility model provides a kind of weighing instrument, comprising: connect connecing for weighing-appliance
Oralia connects the network interface and remote desktop service module of local area network or wide area network；The remote desktop service module is logical
Cross the network interface connection control terminal.
Preferably, the remote desktop service module provides the virtual title of the weighing instrument by the network interface
The control terminal is given at weight instrument operation interface.
Preferably, the remote desktop service module receives the incoming event of the control terminal by the network interface.
Preferably, the remote desktop service module is VNC module.
Preferably, the interface board includes signal cable interface or wireless transmission interface.
The utility model provides a kind of weighing system, including above-mentioned weighing instrument.
Preferably, above-mentioned weighing system further includes the network service for being separately connected the weighing instrument and the control terminal
End；The network service end stores the virtual image data of the virtual weighing instrument operation interface of the weighing instrument.
Preferably, the control terminal includes HMI, PC, smart phone and portable computer.
The positive effect of the utility model is:
Weighing instrument provided by the utility model, by the way that remote desktop service module is arranged in weighing instrument, so that net
Network control is established long- distance tabletop control with console device and is connect, thus provide virtual weighing instrument operation interface to control terminal,
Control console device remotely weighing instrument.
Therefore the measurement operation interface completely the same with weighing instrument is seen on the ground that user is capable of What You See Is What You Get, thus side
Just the personnel for being familiar with weighing instrument operation are remotely realizing identical operation, and then to use the Customer Furnished Equipment of weighing-appliance
The convenience of maintenance.
Simultaneously as weighing instrument can no longer need display device and finger-impu system, therefore simplify weighing instrument
The hardware of table, reduces hardware cost.On the other hand, after lead sealing weighing instrument, since title can not be modified on weighing instrument
The parameter of weight instrument can also take precautions against measurement cheating.
Furthermore it is carried out remotely since the menu option parameter in all weighing instrument operation interfaces is all storable in control terminal
Backup, therefore the robustness of weighing system can also be improved.
The certain terms for indicating particular system components have been used throughout specification and claims.Such as the technology of this field
What personnel will be understood that, different company may indicate a component with different titles.But function different in title is not expected herein
It is distinguished between identical component.
Detailed description of the invention
The above and other feature of the utility model, property and advantage will pass through with reference to the accompanying drawings and examples
It describes and becomes apparent, identical appended drawing reference always shows identical feature in the accompanying drawings, in which:
Fig. 1 is the structural schematic diagram of one embodiment of the utility model weighing instrument；
Fig. 2 is the network topology structure schematic diagram of one embodiment of the utility model weighing system；
Fig. 3 is the network topology structure schematic diagram of another embodiment of the utility model weighing system.
Specific embodiment
It is practical to this below in conjunction with attached drawing for the above objects, features, and advantages of the utility model can be clearer and more comprehensible
Novel specific embodiment elaborates.
Embodiment 1
As shown in Figure 1, wagon balance weighing instrument includes the weighing platform interface board for connecting weighing-appliance, local area network or wide area are connected
Network interface and virtual network controls platform (Virtual Network Console, VNC) module of net；Remote desktop service
Module connects control terminal by network interface.
Wagon balance weighing instrument and the weighing-appliance for being used for vehicle weighing, such as weighbridge connection, obtain the weighing number of vehicle
According to.Measurement data can be final measured value, after completing measuring and calculating by measuring device, pass through signal cable wired connection or nothing
Line connection type is sent to weighing instrument；Can also only measurement intermediate data, by weighing instrument according to the intermediate data into
Row calculates, and then obtains final measured value.
After weighing platform signal is transferred to the weighing platform interface board of wagon balance weighing instrument, weighing platform interface board is connect by internal communication
Mouthful, data-signal is sent to mainboard.Include on mainboard and peripheral device communication interface, the communication interface are passed through using network mouth
The user's control end of local area network or wide area network connection distal end.Subscriber terminal equipment, such as man-machine interface (Human Machine
Interface, HMI), PC, any terminal device with data processing and storage capacity such as smart phone and portable computer
Man-machine interactive interface can be used as the control terminal.
The embedded system that the VNC module (i.e. VNC Server) of weighing instrument end installation can be weighing-appliance is included,
If carried in Wince or Windows IOT, it is also possible to the corresponding assembly by downloading installation VNC module.Wagon balance weighing instrument
The VNC module default of table monitors TCP port 5900, requests VNC remote by browser or VNC Viewer listening to control terminal
After process control connects, and VNC is authenticated successfully, VNC module provides virtual weighing operation circle of wagon balance weighing instrument to control terminal
The desktop picture information in face carries out long- distance tabletop control by desktop of the control terminal to weighing instrument, can control user terminal
Desktop environment and input unit.After weighing instrument end can force to disconnect with control terminal or user measures use,
It can actively initiate to disconnect.
If authenticated successfully, the control terminal of user terminal is completed VNC with weighing instrument and is connected, weighing instrument end create into
Journey is to forward data.The VNC client of user terminal requires the VNC module of weighing-appliance to show desktop environment immediately.It is weighing
In instrument, X server can provide the operation of interface display and peripheral hardware response.By calling underlying programs, can provide
The function of interface basis element is drawn on a display screen, such as is colored in, is drawn lines, and the movement such as circle is drawn, to drive display screen.VNC
Module by interception X Server image data, by from the desktop environment of X Server using VNC communication protocol send to
The virtual measurement meter interface is embedded into check weighing management software interface, is achieved in virtual measurement by client, control terminal
Instrument operation interface is supplied to user terminal.
Before virtual weighing instrument operation interface is sent user terminal by the VNC module of weighing instrument, VNC module is first
By Remote Frame Buffer (Remote Frame Buffer, RFB) agreement, the height, width, pixel of user terminal frame buffer are parsed
Format and title relevant with virtual weighing instrument operation desktop etc., then construct corresponding structural array, and to message
It is split according to RFB agreement, to realize the transmission and parsing of image and information between weighing instrument and user terminal, correctly
Show image.For the different editions of RFB agreement, corresponding adaptation mechanism need to be established.
In weighing measurement, in order to avoid the data between weighing instrument and user terminal are asynchronous, guarantee user terminal
Can real-time display show the data variation on weighing instrument, the VNC client of user terminal may also include that
(1) Image Reversal unit
In image transmitting, sometimes due to after completing array definition and message parses, user is whole the reason of operating system
There may be offsets for color, position on end, abnormal so as to cause graphical display on the subscriber terminal.This can be passed through
Image Reversal unit such as carries out xor operation using 16 message blocks as a block, then to solution to the data block of default size
Message after analysis, block-by-block carry out the rendering of color, position.
(2) synchronous refresh unit
When graphical operation numerical value change is very fast, when more than the communication frequency of client and server-side, due to that may lose
The content of a required specific region (can carry out operation according to the file head and tail of RFB agreement bulk block of information, judgement is
It is no that there are information loss), lag or Caton phenomenon can occur in the render process of user terminal image at this time.At this moment, described
Synchronous refresh unit sends a update message FramebufferUpdateRequest, and the incremental in message is set
For 0 (false).This requires weighing instrument that the full content in specified region is sended over as quickly as possible；And if client does not have
There is any content for losing its area-of-interest, a update message FramebufferUpdateRequest is just sent, disappearing
Incremental in breath is set as non-zero (true).
When the specified region in frame buffer zone changes, server can send a update message
FramebufferUpdateRequest.It can between FramebufferUpdateRequest and FramebufferUpdate
One section can be had and do not know long interval.Therefore when frequent operation, using completeness check mechanism, for fragmentation
Figure change, discharges after capture, image rendering is carried out after full graphics message, as early as possible to guarantee in weighing instrument and user
Data between terminal synchronize correspondence.
The long- distance tabletop control that the present embodiment establishes VNC between the user terminal and weighing instrument as control terminal connects
It connects.It can make weighing instrument that weighing instrument operation interface is sent to control terminal since VNC is remotely controlled, and receive user and exist
To desktop environment, such as the point of each menu option or edit box desktop component in the virtual weighing instrument operation interface of its control terminal
The operation such as choosing or input, therefore the operation that user carries out in the virtual measurement operation interface of its terminal device, are equivalent to
Operation on weighing instrument.User is in addition to can be achieved on its terminal device other than original weighing management software function, moreover it is possible to institute
See the i.e. resulting complete operation for realizing weighing instrument function.In this way without where paying close attention to instrument, subscriber terminal equipment is this moment
The fully functional remote operation to instrument can be realized with the instrument of real-time operation by being exactly one, thus avoid measurement people
Member needs the set-down location inconvenience that row operates again of weighing instrument.
Embodiment 2
As shown in Fig. 2, a kind of weighing system of the present embodiment includes such as the weighing instrument 22 in embodiment 1, and difference
Be connected weighing-appliance 21 and control terminal with the weighing instrument 22.Its weighing operation interface is passed through VNC mould by weighing instrument 22
Block is sent to control terminal, and receives control terminal in the incoming event of its virtual weighing instrument operation interface, such as key-press input, mouse
Click or touch screen click etc..
Control terminal (such as HMI, PC, smart phone and portable computer) shows virtual title in the predeterminated position of its display interface
Weight instrument operation interface.For example, it may be full screen display, is also possible to show former weighing instrument in the partial region of its display interface
The operation interface of table 22.
Embodiment 3
The present embodiment 3 provides another weighing system, is the variation of weighing system provided by embodiment 2.
Existing weighing instrument and remote terminal are attached by the way of direct-connected, and this connection type can not
Adapt to the user of different demands.Such as: some clients want to realize duplicate operation interface, and some clients think it is seen that
One one based on historical data analysis and summarize.
As shown in figure 3, the weighing system of the present embodiment includes wagon balance weighing-appliance 31, weighing instrument 32, network service
End 33 and control terminal.Wherein, wagon balance weighing-appliance 31 connects weighing instrument 32, sends weighing data to weighing instrument 32,
Weighing instrument 32 is established VNC with network service end 33 and is connect, and stores 32 operation interface of virtual weighing instrument of weighing instrument 32
Virtual image data.Meanwhile network service end 33 responds the long- distance tabletop control request of the control terminal of user, will virtually weigh
The image data of instrument 32 is supplied to user terminal.
The data server of network service end 33 can forward and store the image data of virtual weighing instrument 32, and realize more
User sharing weighing instrument 32 shows information.Weighing data shared part in data server end is received from 32 end of weighing instrument
It shows data, and data is stored, the application function towards different user such as data query, retrieval is provided.
As user terminal, operating process in virtual 32 operation interface of weighing instrument and on weighing instrument 32
Operate it is completely the same, and due to data server can be used as data relay and data storage, user terminal can be from data
The real time data in current measurement is obtained on server, retrieval and inquisition can also be carried out to passing measurement historical data.
Network service end 33 is connect with the control terminal of weighing instrument 32 and user terminal by remote network control agreement,
Such as VNC connection, so that the virtual weighing instrument 32 of weighing instrument 32 be forwarded to operate the realtime image data of operation interface to user；
While supporting the connection of remote network control agreement, database communication is also supported in the connection of network service end 33 and user terminal
Agreement, to the historical data that is stored on data service device to user.Data server and length of run data parsing end due to
It is the analysis statistics to historical data, therefore Data Transport Protocol or the connection of database communication agreement can be used in the two connection.
As shown in figure 3, the network service end 33 can also connect the length of run data of integration of equipments quotient or equipment manufacturer
Analytical Calculation machine 34 by obtaining the measurement data stored in network service end 33, and is identified and is handled skill using associated picture
Art extracts data information therein, and then weighing-appliance 31 is analyzed in related data and Information base by long term data analysis
Service condition and state provide better plant maintenance service for user.
The present embodiment is since network service end 33 is to obtain display data from weighing instrument 32, to provide related data
The related derivatives service such as retrieval or analysis, and it is indirect from user terminal acquisition data, therefore improve the transparent of data acquisition
Property, it can effectively solve the problem that the safety problem for the shared data that client is more concerned about, reduce the misgivings of End-Customer, set to push
Standby integrator and equipment manufacturer are realized based on the various applications of data sharing, are provided for different users corresponding to respective demand
Display effect.
Although the utility model is described with reference to current multiple specific embodiments, in the art common
It should be recognized by those skilled in the art that above embodiment is intended merely to illustrate the utility model, in no disengaging the utility model
Various equivalent change or replacement can be also made in the case where spirit.Therefore, if the utility model spirit
Interior variation, modification to above-described embodiment will all be fallen in the range of following claims.
Claims (8)
1. a kind of weighing instrument characterized by comprising connect the interface board of weighing-appliance, connect local area network or wide area network
Network interface and remote desktop service module；The remote desktop service module connects control terminal by the network interface.
2. weighing instrument as described in claim 1, which is characterized in that the remote desktop service module is connect by the network
Mouthful, the virtual weighing instrument operation interface of the weighing instrument is provided to the control terminal.
3. weighing instrument as described in claim 1, which is characterized in that the remote desktop service module is VNC module.
4. weighing instrument as described in claim 1, which is characterized in that the remote desktop service module is connect by the network
Mouthful, receive the incoming event of the control terminal.
5. weighing instrument as described in claim 1, which is characterized in that the interface board includes signal cable interface or wireless biography
Defeated interface.
6. a kind of weighing system, which is characterized in that including weighing instrument such as described in any one of claim 1 to 5.
7. weighing system as claimed in claim 6, which is characterized in that further include being separately connected the weighing instrument and the control
The network service end at end processed；The network service end stores the virtual graph of the virtual weighing instrument operation interface of the weighing instrument
As data.
8. weighing system as claimed in claim 6, which is characterized in that the control terminal includes HMI, PC, smart phone and
Portable computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400641.4U CN209673208U (en) | 2019-03-27 | 2019-03-27 | Weighing instrument and weighing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400641.4U CN209673208U (en) | 2019-03-27 | 2019-03-27 | Weighing instrument and weighing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209673208U true CN209673208U (en) | 2019-11-22 |
Family
ID=68572908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920400641.4U Active CN209673208U (en) | 2019-03-27 | 2019-03-27 | Weighing instrument and weighing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209673208U (en) |
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2019
- 2019-03-27 CN CN201920400641.4U patent/CN209673208U/en active Active
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