CN108282750A - A kind of construction special public network trunked communication system - Google Patents
A kind of construction special public network trunked communication system Download PDFInfo
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- CN108282750A CN108282750A CN201810043822.6A CN201810043822A CN108282750A CN 108282750 A CN108282750 A CN 108282750A CN 201810043822 A CN201810043822 A CN 201810043822A CN 108282750 A CN108282750 A CN 108282750A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q10/10—Office automation; Time management
- G06Q10/103—Workflow collaboration or project management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
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Abstract
The present invention relates to a kind of public network trunked communication systems, and in particular to a kind of construction special public network trunked communication system that construction organization information is embedded in several communication terminals and is set up based on the hierarchy management structural arrangement of some specific engineering project by several communication terminals.This system is connected by management backstage (1) and the communication terminal (5) by known 3G/4G wireless networks (4).The management backstage (1) is formulated system (7) two subsystems by engineering project hierarchy management setting system (6) and construction organization information and is constituted.The communication terminal (5) is made of engineering project hierarchy management loading system (8) and construction organization information triggering system (9) two subsystems.
Description
Technical field
The present invention relates to a kind of public network trunked communication systems, and in particular to a kind of that construction organization information is embedded in several lead to
The special public affairs of construction believed terminal and set up by hierarchical structure arrangement of several communication terminals based on some specific engineering project
Net trunked communication system.
Background technology
In construction field, for a line operating personnel when construction operation communicates, usually used is civilian wireless intercom equipment.
Since the transmission power of existing civilian wireless intercom equipment and workable frequency range are subject to certain restrictions, cause to construct
Operation communication is influenced by two aspects, first, communication distance is restricted, some overlength line-shape constructions (such as newly built railway or
Newly-built highway) in inner combined test project, effect that existing civilian wireless intercom equipment cannot bring into normal play.Second is that
Communication group is not enough distributed, in the numerous construction operation environment of some operation teams, 16 of existing civilian wireless intercom equipment
Communication channel extremely be easy to cause the crowded and use that gets two or more radio stations at once.
It is remote between management level and work layer in order to meet in the operational level that overlength line-shape construction and construction are complicated
Demand is transmitted with the dispatching communication of multigroup group and relevant construction organization information, administrative staff would generally use two with operating personnel
The communication equipment of type, the first kind are the intelligent communications equipment such as mobile phone, and the second class is public network trunked communication system.
Due to well-known, communication apparatus as mobile phone is as consumer electronics product, in construction operation ring
Used in border, there are problems that some defects and, such as the individual calling that can only dial cannot group busy, cannot exhale and answer, in noisy operation
Using effect is bad etc. in environment, especially in the outdoor study environment of some inclement conditions and some special Seeding locations,
Mobile phone is used as a kind of telecommunication for construction equipment, often convenient and quick not as good as using talk back equipment.
The public network trunked communication system under mobile internet environment is operated in, long distance can be not only realized as mobile phone
From communication, moreover it is possible to be arranged by backstage, allow communication terminal to have a certain number of talk groups, and with conveniently group
It exhales and exhales and answer function.But the application as information equipment in terms of construction organization, existing public network trunked communication system
Or the use of mobile phone cannot be substituted completely, because other than the voice call function of construction site, also some construction organizations
The transmission of the information and management backstage of aspect still needs to complete by mobile phone application (APP).
In construction field, the dispatching communications subsystem between management level and management level, management level and work layer is to be based on work
The tree-like management structure of journey item purpose is set up.Talk group in existing public network trunked communication system in communication terminal is parallel sets
It sets and shows side by side, the relationship between this talk group for being arranged in parallel and showing side by side cannot embody based on engineering
The tree-like management structure of project.In some Larger Engineering Projects, can be arranged according to specific construction organization situation large number of
Talk group, when these talk groups cannot by current engineering project tree-like management structure setting and be shown in existing public network collection
When the communication terminal of group communication system, both sides problem is often caused, first, management level are needed according to existing engineering item
The variation of purpose hierarchical structure goes the setting talk group frequently repeated can not embody engineering project second is that between talk group
The hierarchical relationship up and down between group is managed, causes calling party that cannot conveniently search incoming call group.
Invention content
In order to solve the problems, such as that above-mentioned public network trunked communication system is applied in construction field, the present invention proposes a kind of
Construction special public network trunked communication system, above-mentioned construction special public network trunked communication system is in existing public network cluster communication
It is improved of both being made that on the basis of system, the improvement of one side is the construction group of the embedded set form in communication terminal
Information triggering system is knitted, a line construction worker can operate communication terminal in a manner of simple and fast, with electronic voice broadcast
Mode dynamically call construction organization information that (inquiry) current management backstage is formulated in real time, to reach in environment complexity, item
The severe construction site of part use information terminal in a manner of most simplified calls the purpose of (inquiry) construction organization information.The present invention
Improvement to above-mentioned public network trunked communication system another aspect is to be embedded in a tree-like engineering project level pipe in management backstage
Manage setting system, under the management of this project hierarchical system, the talk group in existing public network trunked communication system it
Between relationship be arranged to the tree hierarchy pattern of some specific engineering project, in favor of management level in construction field and management
Dispatching communication between layer, management level and work layer.
This system is made of communication terminal and management backstage two parts, and communication terminal passes through known 3G/ with management backstage
4G wireless network connections.
Above-mentioned communication terminal is by the wireless communication module, central control unit, storage unit, the voice that are arranged on circuit substrate
Module, display screen, loud speaker, microphone, push-button array and battery pack composition.Above-mentioned management backstage, is made of two subsystems, and one
A subsystem is that construction organization information formulates system, another subsystem is engineering project hierarchy management setting system.Above-mentioned two
A subsystem by one of ordinary skill in the art will appreciate that computer program and known hardware equipment form.
The construction organization information triggering system of set form is stored in the storage unit of above-mentioned communication terminal, it is above-mentioned to apply
Work organizational information trigger system by one of ordinary skill in the art will appreciate that computer program constitute.Above-mentioned construction organization letter
Breath triggering system includes a plurality of triggering command, and every triggering command corresponds to a construction organizational information, these triggering commands are logical
Above-mentioned central control unit reading process is crossed, above-mentioned display screen is shown in construction organization name of the information, user can be by pressing
Key array operates, certain construction organizational information is selected to be triggered, the above-mentioned known 3G/4G of wireless communication module connection of triggering command
Wireless network, further triggering are connected to the management backstage in consolidated network environment.
On the other hand, it is embedded in a construction organization information in above-mentioned management backstage and formulates system, and this is constructed
Organizational information formulates system and is defined as specific project management, and user is specific construction organization information in the form of word
Typing management backstage, management backstage further store above-mentioned text conversion for voice data, further wait for corresponding communication
Terminal is called.When management backstage receives the trigger signal about construction organization information from communication terminal, management backstage
Prior unloading voice data corresponding with construction organization information can be sent to relatively by known 3G/4G wireless networks
The communication terminal answered.These speech data signals by communication terminal wireless communication module receive after further by above-mentioned center
Control unit decoding process, is reduced to electronic speech, is listened to for user of service by the loud speaker sounding on communication terminal.
Further, an engineering project hierarchy management setting system is embedded in above-mentioned management backstage, user is according to tool
The tree hierarchy structure that the project management of body is formed defines specific talk group, while being defined relatively in talk group
The communication terminal for answering sequence code is allowed to the tree that talk group and communication terminal are all formed by some specific project management
Shape hierarchical structure is arranged and is presented.
On the other hand, engineering project hierarchy management loading system is stored in the storage unit of above-mentioned communication terminal, on
State engineering project hierarchy management loading system by one of ordinary skill in the art will appreciate that computer program constitute.It is above-mentioned logical
The sequence code for being stored in the storage unit of terminal and immobilizing and uniquely being specified in system is believed, when above-mentioned communication terminal one
Denier by electricity success, above-mentioned engineering project hierarchy management loading system will take above-mentioned terminal serial code accesses automatically manage after
Platform, after management backstage detects corresponding terminal serial code, will with this terminal serial code in some specific work
Associated all talk groups and other all communication terminal sequence codes, confession are above-mentioned in journey item purpose hierarchy management structure
Communication terminal is downloaded into said memory cells storage together, is further processed through above-mentioned central control unit and is reduced to a tool
The hierarchy management structure of body engineering project is shown in above-mentioned display screen in the form of letter symbol and passes through push-button array for user
Selection operation.
Improvement by above two aspect to existing public network trunked communication system, the invention has the advantages that 1), a line
Construction personnel can directly invoke (inquiry) current construction organization information using communication terminal, without using intelligent communications such as mobile phones
Equipment, to achieve the purpose that most simplified use information equipment at the construction field (site).2), in calling (inquiry) construction organization information,
Communication terminal provides electronic speech pronunciation, and the line construction personnel for being operated in complex environment is suitble to use.3), communicating terminal is based on
Current specific engineering project hierarchy management arrangement works, talk group follow construction organization to change and change, and administrator is not necessarily to
Repeat setting talk group.4), tree hierarchy management of the talk group on communication terminal based on current specific engineering project
Structure is shown, convenient for users to quickly look-up talk group.
Description of the drawings
Fig. 1 is system structure diagram proposed by the present invention.
Fig. 2 is communication terminal principle schematic proposed by the present invention.
Fig. 3 is engineering project hierarchy management setting system diagram proposed by the present invention.
Fig. 4 is that construction organization information proposed by the present invention formulates system diagram.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
It is a kind of system structure diagram of construction special public network trunked communication system proposed by the present invention referring to Fig. 1.Packet
Include management backstage (1), internet (2), base station (3), 3G/4G wireless networks (4), communication terminal (5), engineering project hierarchy management
Setting system (6), construction organization information formulate system (7).
Above-mentioned management backstage (1) is made of two subsystems, and a subsystem is engineering project hierarchy management setting system
(6), another subsystem is that construction organization information formulates system (7).Above-mentioned two subsystem is by those of ordinary skill in the art
The computer program and known hardware equipment being appreciated that are constituted.
Above-mentioned management backstage (1) connect with known internet (2), and above-mentioned known internet (2) connects with known base station (3)
It connects, above-mentioned known base station (3) connect with known 3G/4G wireless networks (4), above-mentioned known 3G/4G wireless networks (4) and the present invention
The communication terminal (5) of proposition connects.In this system, including multiple above-mentioned management backstages (1) and above-mentioned communication terminal (5).
It is communication terminal principle schematic proposed by the present invention referring to Fig. 2.Including wireless communication module (501), center control
Unit (502) processed, storage unit (503), voice module (504), display screen (505), loud speaker (506), microphone (507) are pressed
Key array (508), battery pack (509).Said memory cells (503) are equipped with two subsystems, and one is engineering project level
Loading system (8) is managed, the other is construction organization information triggering system (9), above-mentioned two subsystem is by the common skill in this field
The computer program that art personnel are appreciated that is constituted.
Above-mentioned wireless communication module (501) is operated in known 3G/4G wireless network environments, input/output terminal with it is above-mentioned
First input/output terminal of central control unit (502) connects.Further, the input/output terminal of said memory cells (503) with
Second input/output terminal of above-mentioned central control unit (502) connects.In the case where battery pack (509) power, it is mounted in
Engineering project hierarchy management loading system (8) work inside storage unit (503) is stated, above-mentioned central control unit is passed through
(502), known 3G/4G networks (4) are further connected by above-mentioned central control unit (502) and accesses this system management backstage
(1), the current engineering project set by engineering project hierarchy management setting system (6) for including above-mentioned management backstage (1)
Tree hierarchy structural information is loaded into said memory cells (503) to be made under the processing of above-mentioned central control unit (502)
Above-mentioned communication terminal (5) is operated under the hierarchical structure pattern of current engineering project.Further, above-mentioned display screen (505) is defeated
Enter end to connect with the third output end of above-mentioned central control unit (502), above-mentioned processed current engineering project hierarchical structure
It is shown in a manner of letter symbol on above-mentioned display screen (505), observes and use for user.Further, above-mentioned push-button array
(508) output end is connect with the 4th input terminal of above-mentioned central control unit (502), and user is passed through by button operation
Above-mentioned central control unit (502) enters current engineering project hierarchical structure, searches bound in current engineering project hierarchical structure
Talk group, to converse.Further, the input/output terminal Yu above-mentioned central control unit of above-mentioned voice module (504)
(502) the 5th input/output terminal connection, further, the output of the input terminal and above-mentioned microphone (507) of above-mentioned loud speaker (506)
End is connect with the second input/output terminal of above-mentioned voice module (504) respectively, cooperation of the user in above-mentioned push-button array (508)
Under, to complete the either simplex intercommunication function of present communications terminal and another communication terminal in same talk group.
On the other hand, said memory cells (503) are equipped with another subsystem, i.e. construction organization information triggering system (9).
Under the cooperation of above-mentioned push-button array (508), the triggering of construction organization information is called to refer to by above-mentioned central control unit (502)
It enables, a plurality of triggering command is shown in a manner of letter symbol on above-mentioned display screen (505), every triggering command corresponds to one
Construction organization information is observed for user and is used, so that user selects further triggering by button.When user selects certain
After triggering command, this triggering command further passes through above-mentioned central control unit by above-mentioned central control unit (502)
(502) known 3G/4G wireless networks (4) are connected and access this system management backstage (1), further trigger above-mentioned management backstage (1)
Including construction organization information formulate the corresponding construction organization information formulated of system.Further, the construction being triggered
Organizational information is further processed as by above-mentioned wireless communication module (501) feedback reception by above-mentioned central control unit (502)
The voice messaging that above-mentioned voice module (504) can identify further above-mentioned is raised one's voice by what is connect with above-mentioned voice module (504)
Device (506) is reduced to the electronic speech that human ear can identify, is finally completed user and calls (inquiry) to apply by present communications terminal
The function of work organizational information.
It is engineering project hierarchy management setting system diagram proposed by the present invention referring to Fig. 3.
Engineering project hierarchy management setting system (6) that user is included in above-mentioned management backstage (1) is inner to make current engineering
When project hierarchy management is arranged, the project cluster that is created, sub-project, construction unit are hierarchical relationship up and down, a project cluster packet
Containing multiple sub-projects, a sub-project includes multiple construction units.Further, system is set as a project cluster binding only
One talk group A, a sub-project bind unique talk group B, and a construction unit binds unique talk group C.
Further, addition has the communication terminal representated by unique sequence code in this system in above-mentioned different talk groups.By
It can be understood by the person skilled in the art that for all communication terminals below a project cluster, in above-mentioned engineering
Project hierarchy management is arranged under the setting of system (6), is all operated in the tree hierarchy structure of current concrete engineering project
.
It is that construction organization information proposed by the present invention formulates system diagram referring to Fig. 4.
The construction organization information that user is included in above-mentioned management backstage (1) formulates that system (7) is inner to formulate current engineering item
When purpose construction organization information, formulated for some specific construction unit in current engineering project.It is general by this field
Lead to technical staff it is understood that on the one hand the construction organization information that these needs are formulated comes from user certainly from two aspects
Row setting, the on the other hand reading from external data.The construction organization information that user is voluntarily arranged includes 1) construction task, and 2)
Activity duration, 3) operation supervisor, 4) operation expects pipe, 5) operating personnel, 6) collocation of the machinery group, 7) vehicle configuration, 8) security protection.By
The construction organization information that external data is read includes 9) target advance, and 10) construction speed, 11) operating location, 12) operation
Weather, 13) facility information, 14) main material information, 15) task instruction, 16) it tells somebody what one's real intentions are safely, 17) safety verification.It is common by this field
For technical staff it is understood that above-mentioned 17 constructions organizational information is all real-time dynamic information, above-mentioned 17 dynamic in real time
Construction organization information further constitutes a set, the phase for waiting for some communication terminal for being included from current project group to send out
Triggering command is answered, certain corresponding construction organization information is triggered.
Claims (3)
1. a kind of construction special public network trunked communication system, characterized in that more including multiple management backstages and multiple communication terminals
A management backstage passes through 3G/4G wireless communications and interaction with multiple communication terminals；
The management backstage includes that engineering project hierarchy management setting system and construction organization information formulate system；
The communication terminal includes engineering project hierarchy management loading system and construction organization information triggering system；
Hierarchy management setting of the engineering project hierarchy management setting system for a specific engineering project, makes described logical
It works under letter hierarchical structure of the terminal based on a set concrete engineering project；
The construction organization information is formulated the construction organization that system is used to formulate and handle under the engineering project hierarchical structure and is believed
Breath；
The engineering project hierarchy management loading system is for being loaded into a specific engineering project hierarchy management structure
The communication terminal；
The construction organization information triggering system is for the triggering to the construction organization information.
2. a kind of construction special public network trunked communication system as described in claim 1, characterized in that engineering project hierarchy management
Set project level includes project cluster, sub-project, construction unit in setting system；
The project cluster includes at least one talk group；
The sub-project includes at least one talk group；
The construction unit includes at least one talk group；
The talk group includes at least one communication terminal.
3. a kind of construction special public network trunked communication system as described in claim 1, characterized in that construction organization information is formulated
The construction organization information of processing, including 1) construction task information are formulated and collected in system；2) activity duration information；3) operation
It is responsible for information；4) operation expects pipe information；5) operating personnel's information；6) collocation of the machinery group information；7) vehicle configuration information；8) safety is anti-
Protect information；9) target advance information；10) construction speed information；11) operating location information；12) operation Weather information；13) it constructs
Facility information；14) construction main material information；15) task instruction information；16) safe information of telling somebody what one's real intentions are；17) safety verification information；
The 1-8 item information that the construction organization information includes actively is arranged by management backstage；
The 9-16 item information that the construction organization information includes is handled by management backstage collection；
The safety verification information that the construction organization information includes is by communication terminal active upload.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810043822.6A CN108282750A (en) | 2018-01-13 | 2018-01-13 | A kind of construction special public network trunked communication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810043822.6A CN108282750A (en) | 2018-01-13 | 2018-01-13 | A kind of construction special public network trunked communication system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116797183A (en) * | 2023-08-22 | 2023-09-22 | 深圳市睿拓新科技有限公司 | Engineering progress management method, system and device based on BIM technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090157799A1 (en) * | 2007-12-13 | 2009-06-18 | Vrijlal Sukumaran | Method for sharing service identity among multiple client devices in a real-time communications network |
| CN103248874A (en) * | 2013-05-09 | 2013-08-14 | 武汉烽火众智数字技术有限责任公司 | Front-end device for portable wireless data acquisition and transmission system on construction site |
| CN104469703A (en) * | 2014-12-26 | 2015-03-25 | 北京中细软移动互联科技有限公司 | Dynamic channel assignment method for cluster calling system |
| CN204334863U (en) * | 2014-12-30 | 2015-05-13 | 武汉华科道普轨道交通信息技术有限公司 | A kind of information terminal being applicable to track traffic construction |
| US20170230107A1 (en) * | 2013-03-15 | 2017-08-10 | E.F. Johnson Company | Distributed simulcast architecture |
-
2018
- 2018-01-13 CN CN201810043822.6A patent/CN108282750A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090157799A1 (en) * | 2007-12-13 | 2009-06-18 | Vrijlal Sukumaran | Method for sharing service identity among multiple client devices in a real-time communications network |
| US20170230107A1 (en) * | 2013-03-15 | 2017-08-10 | E.F. Johnson Company | Distributed simulcast architecture |
| CN103248874A (en) * | 2013-05-09 | 2013-08-14 | 武汉烽火众智数字技术有限责任公司 | Front-end device for portable wireless data acquisition and transmission system on construction site |
| CN104469703A (en) * | 2014-12-26 | 2015-03-25 | 北京中细软移动互联科技有限公司 | Dynamic channel assignment method for cluster calling system |
| CN204334863U (en) * | 2014-12-30 | 2015-05-13 | 武汉华科道普轨道交通信息技术有限公司 | A kind of information terminal being applicable to track traffic construction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116797183A (en) * | 2023-08-22 | 2023-09-22 | 深圳市睿拓新科技有限公司 | Engineering progress management method, system and device based on BIM technology |
| CN116797183B (en) * | 2023-08-22 | 2023-11-17 | 深圳市睿拓新科技有限公司 | Engineering progress management method, system and device based on BIM technology |
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Application publication date: 20180713 |