CN204089013U - Secondary protector screen cabinet and prefabricated secondary device cabin - Google Patents
Secondary protector screen cabinet and prefabricated secondary device cabin Download PDFInfo
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- CN204089013U CN204089013U CN201420138965.2U CN201420138965U CN204089013U CN 204089013 U CN204089013 U CN 204089013U CN 201420138965 U CN201420138965 U CN 201420138965U CN 204089013 U CN204089013 U CN 204089013U
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Abstract
The utility model discloses a kind of secondary protector screen cabinet and prefabricated secondary device cabin; secondary protector screen cabinet comprises cabinet and communicates with the independently man-machine display terminal of connection; cabinet in the communication interface for being provided with towards the Channel front end in prefabricated secondary device cabin for being connected with independently man-machine display terminal communication, and adopts between cabinet with this man-machine display terminal and shields ethernet communication mode and communicate.Man-machine display terminal of the present utility model and cabinet are independently arranged, and adopt cross-species transferability, can independently dispose, installation dimension and position can change flexibly; Traditional communication cable communication distance that front wiring secondary protector brings because man-machine display terminal is separated with device body increases, the problem of electromagnetism interference deficiency to use the mode of band shielding ethernet communication to solve, and achieves man-machine display terminal flexible deployment simultaneously.
Description
Technical field
The utility model belongs to field of relay protection in power, is specifically related to a kind of secondary protector and prefabricated secondary device cabin.
Background technology
The core concept that State Grid Corporation of China proposes " standardized designs, factorial praluction, assembled construction ", promote the use in outdoor prefabricated formula secondary device cabin, this construction mode greatly reduce project occupation of land area, simplify field connection, facilitate in-site installation, maintenance, maintenance.Prefabricated secondary device cabin is produced by entire plant, whole Transporting, realize the factory such as installations of secondary unit equipment, secondary connection, illumination, HVAC, fire alarm, security protection, picture control debug, integrated.
In New Generation of Intelligent transformer station, inside, prefabricated secondary device cabin often needs to arrange double secondary protector screen cabinet, due to two row screen cabinets must put by bulkhead rearward, therefore can only secondary device shield cabinet cabinet front end open the door (cabinet herein refers to the screen cabinet body including secondary device; Front end refers to the cabinet-body plate face towards equipment compartment passage).But install before traditional secondary protector screen cabinet generally adopts plate, the group screen mode of wiring after plate, which can not meet the requirement making screen cabinet put near the bulkhead at rear, secondary device cabin; In addition, under the group screen mode of wiring after installation, plate before conventional panels, the man-machine display terminal of screen cabinet and cabinet body are closely integrally, the mode adopted is that man-machine display terminal uses flat cable to be connected with cabinet body substantially, carry out information transmission and key response, whole liquid crystal display terminal is installed on cabinet body front end, forms a closed entirety with cabinet body, it is little that the EMC anti-interference of telecommunication cable is considered, depends critically upon crust of the device opposing EMC interference; And this integral type is installed cannot carry out centralized monitor by the display terminal of all screen cabinets, user's walking must check to the protective device screen cabinet place of each dispersion installation, use very inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of secondary protector screen cabinet; be not suitable for the screen cabinet solving existing group screen mode the problem that requirement is installed and used in prefabricated secondary device cabin, have passed a kind of prefabricated secondary device cabin using this secondary protector to shield cabinet simultaneously.
In order to realize above object; the technical scheme that the utility model adopts is: a kind of secondary protector screen cabinet; comprise cabinet and communicate with the independently man-machine display terminal of connection; described cabinet in the communication interface for being provided with towards the Channel front end in prefabricated secondary device cabin for being connected with independently man-machine display terminal communication, and adopts between cabinet with this man-machine display terminal and shields ethernet communication mode and communicate.
Described man-machine display terminal comprises CPU, and described CPU is connected with the ethernet interface and display and key control unit that communicate to connect with cabinet.
The technical scheme in the utility model a kind of prefabricated secondary device cabin is as follows: the double secondary protector comprised for putting by bulkhead in passage both sides shields cabinet; described each secondary protector screen cabinet comprises cabinet and communicates with the independently man-machine display terminal of connection; described cabinet in the communication interface for being provided with towards the front end in prefabricated secondary device cabin for being connected with independently man-machine display terminal communication, and adopts between cabinet with this man-machine display terminal and shields ethernet communication mode and communicate.
Described man-machine display terminal comprises CPU, and described CPU is connected with the ethernet interface and display and key control unit that communicate to connect with cabinet.
Secondary protector screen cabinet of the present utility model and prefabricated secondary device cabin, its man-machine display terminal and cabinet are independently arranged, and adopt cross-species transferability, can independently dispose, installation dimension and position can change flexibly; Traditional communication cable communication distance that front wiring secondary protector brings because man-machine display terminal is separated with device body increases, the problem of electromagnetism interference deficiency to use the mode of band shielding ethernet communication to solve, and achieves man-machine display terminal flexible deployment simultaneously.
Adopt the liquid crystal man-machine display terminal independently carrying CPU and application program, shielding Ethernet is used to replace flat cable to communicate with device body, with adaptive information-organization style, be shown to the method in liquid crystal man-machine display terminal, independently can control display and the touch-responsive of liquid crystal; Do not rely on protective device body.
The mode of What You See Is What You Get is adopted to carry out interface; accelerate interface development; by dynamic queries data; and realize the dynamic self-adapting to interface according to data; compatible multiple protective device, avoids protective device man-machine display hardware, software and revises the problem all will again developed because of the front mode of connection.
By inquiry protective device data model and to interface display dynamic conditioning, realize the protective device that information displaying is compatible different, interface, only as framework, completes final protective device business information according to the data entry information of filling and shows.The graphical interfaces file that PC design generates is converted to the form be appointed as with man-machine display terminal CPU identical bytes sequence according to man-machine display terminal cpu type, inspection of document information calculates the information of testing of other data in file in the mode of CRC32.
Accompanying drawing explanation
Fig. 1 is that the utility model prefabricated secondary device cabin two wing bulkhead puts schematic diagram;
Fig. 2 is the structural representation of man-machine display terminal cabinet door when opening;
Structural representation when Fig. 3 is the closedown of man-machine display terminal cabinet door;
Fig. 4 is man-machine display terminal hardware elementary diagram;
Fig. 5 is that Human Machine Interface runs schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
In order to meet in prefabricated secondary device cabin shield cabinet put requirement; must modify to the mode of connection of traditional secondary protective device cabinet; wiring before plate is changed into by wiring after plate; as shown in Figure 2 to 3; the utility model provides a kind of secondary protector screen cabinet; comprise cabinet 1 and communicate with the independently man-machine display terminal 2 of connection, cabinet 1 is in the communication interface 3 for being provided with towards the Channel front end in prefabricated secondary device cabin for being connected with independently man-machine display terminal communication.
But before adopting plate of the present utility model during the mode of connection, add between man-machine display terminal and cabinet one for plate before the physics cavity of wiring, result in being separated of man-machine display terminal and cabinet; Man-machine display terminal is separated with screen cabinet body, and use communication distance to increase, if do not change communication pattern, telecommunication cable is directly exposed in air, will bring great negative effect to protective device; Simultaneously because the interface display of protective device is and protection CPU CPU or common pcb board altogether substantially; interface to be extracted; ensure ECM performance simultaneously, therefore adopt between cabinet of the present utility model with this man-machine display terminal and shield Ethernet 4 communication mode and communicate.
As shown in Figure 4, the man-machine display terminal of the present embodiment comprises CPU, and this CPU is connected with the ethernet interface and display and key control unit that communicate to connect with cabinet; CPU adopts stabilized voltage power supply to power, and display and key control unit also include LED, and in the present embodiment is touch screen control mode by key control.
The utility model adopts the liquid crystal man-machine display terminal independently carrying CPU and application program, shielding Ethernet is used to replace flat cable to communicate with device body, with adaptive information-organization style, be shown to the method in liquid crystal man-machine display terminal, solve that the traditional communication cable communication distance that front wiring secondary protector brings because man-machine display terminal is separated with device body increases, the problem of anti-electromagnetic interference capability deficiency; Independently can control display and the touch-responsive of liquid crystal; Do not rely on protective device body; Carry two-way Ethernet interface, Ethernet interface 2 is fixed as and communicates with device body, and Ethernet interface 1 is fixed as debugging, the configuration mouth of man-machine display terminal, and hardware elementary diagram as shown in Figure 4.
Man-machine display terminal uses shielding ethernet line to communicate with protective device body, and man-machine display terminal can independently be installed, layout, flexible deployment.Preferably man-machine display terminal is arranged on before protective device body, its structure as shown in Figure 1, owing to passing through the ethernet line communication supporting longer communication distance between the two, man-machine display terminal can be arranged on other position, such as: with protective device body with the upper strata of shielding, lower floor, other layer, or even other screen cashier's office in a shop, make the installation of protective device body can be different from display position, be conducive to user to space, information inspection carries out reasonable arrangement, such as: the protective device that dispersion is installed, all display terminals are arranged on the little indoor of concentrated monitoring with less size, without the need to the protective device place that user's walking is installed to each dispersion, the information of these protective devices just can be checked at monitoring cell.
What shielding ethernet line was preferential selects electric mouth, long especially at communication distance, when electric mouth decay is obvious, then selects optical fiber.
The utility model additionally provides a kind of prefabricated secondary device cabin, and the double secondary protector comprised for putting by bulkhead in passage both sides shields cabinet, and the structure of each secondary protector screen cabinet is described above.
The method for information display of secondary protector screen cabinet of the present utility model comprises the steps:
(1) the PC design in cabinet generates the graphical interfaces file describing protective relaying device graphical interfaces;
(2) graphical interfaces files passe is in man-machine display terminal; man-machine display terminal executor loads graphical interfaces file; and according to the data model of graphical interfaces file and secondary protector; dynamic drafting interface, data query information, response user interactive, to cabinet send order.
The PC of the present embodiment adopts the graphic designs patten's design of What You See Is What You Get to generate and uses graphical interfaces file.
Graphical interfaces file is the most basic unit with graphic element, and graphical interfaces file describes graphic element that graphical interfaces comprises and layout, data display and interaction response, inspection of document information.It preserves form is binary data mode, and can specify the syllable sequence of preservation, to adapt to the protective relaying device of different CPU type; The present embodiment is converted to according to man-machine display terminal cpu type the form be appointed as with man-machine display terminal CPU identical bytes sequence; Inspection of document information calculates the information of testing of other data in file in the mode of CRC32, is put in man-machine display terminal and resolves display, as shown in Figure 5.
In order to the protective device that compatibility is different, when interface, carry out interface, preservation by adaptive mode, during interface display, need the interface list of display according to connected secondary protector dynamic conditioning, and dynamic conditioning calls the button state at interface.
In addition; man-machine display terminal does not carry the data model of protective device; but when operation first or data model change; the data model of protective device is calculated with the method for CRC32; and compare with the analog value in its value and device, whether change using comparative result as the data according to the data model judging protective device.Adopt the mode of communication to inquire about the data model of protective device, and save as file mode in xml format and carry out buffer memory, when follow-up operation without the need to again inquiring about.The Method of Data Organization of the protective device data model of buffer memory and information displaying, inquiry, organizes with the quaternary structure of " CPU ", " data traffic types ", " Data Entry grouping ", " Data Entry ", clear layer, inquiry convenience and high-efficiency.
Starting drive, judges during man-machine display terminal loads that whether syllable sequence identical with this man-machine display terminal CPU, and judges whether unanimously the inspection of document, the two any one incorrect, load unsuccessfully.
If load successfully; subsequently; man-machine display terminal sets up the TCP communication with device body according to the IP configuration of Ethernet interface 2 by Ethernet interface 2; consistent whether with buffer memory of the data model CRC32 value of inquiry unit body; if run first or data model change time, inquire about the data model of protective device in the mode communicated, and save as file mode in xml format and carry out buffer memory; when follow-up operation without the need to again inquiring about, then load data cached model.Load unsuccessful, alarm.
Then, man-machine display terminal needs the interface list of display according to connected protective device dynamic conditioning, and dynamic conditioning calls the button state at interface.
Finally, man-machine display terminal enters normal protective device information displaying and user operation routine, requires the corresponding data of inquiry, and show according to interface content; Accept the touch operation of user, device is issued orders or changes display interface.
Man-machine display terminal, adopt cross-species transferability, can independently dispose, installation dimension and position can change flexibly.Carry CPU, independently can control display and the touch-responsive of liquid crystal; Do not rely on protective device body; Carry two-way Ethernet interface, Ethernet interface 2 is fixed as and communicates with device body, and Ethernet interface 1 is fixed as debugging, the configuration mouth of man-machine display terminal, and hardware elementary diagram as shown in Figure 4.By inquiry protective device data model and to interface display dynamic conditioning, realize the protective device that information displaying is compatible different, interface, only as framework, completes final protective device business information according to the data entry information of filling and shows.Man-machine display terminal comprises CPU; The graphical interfaces file that PC design generates is converted to the form be appointed as with man-machine display terminal CPU identical bytes sequence according to man-machine display terminal cpu type, inspection of document information calculates the information of testing of other data in file in the mode of CRC32.
Above embodiment only understands core concept of the present utility model for helping; the utility model can not be limited with this; for those skilled in the art; every according to thought of the present utility model; the utility model is modified or equivalent replacement; any change done in specific embodiments and applications, all should be included within protection range of the present utility model.
Claims (4)
1. a secondary protector screen cabinet; it is characterized in that: comprise cabinet and communicate with the independently man-machine display terminal of connection; described cabinet in the communication interface for being provided with towards the Channel front end in prefabricated secondary device cabin for being connected with independently man-machine display terminal communication, and adopts between cabinet with this man-machine display terminal and shields ethernet communication mode and communicate.
2. secondary protector screen cabinet according to claim 1, it is characterized in that: described man-machine display terminal comprises CPU, described CPU is connected with the ethernet interface and display and key control unit that communicate to connect with cabinet.
3. a prefabricated secondary device cabin; it is characterized in that: the double secondary protector comprised for putting by bulkhead in passage both sides shields cabinet; described each secondary protector screen cabinet comprises cabinet and communicates with the independently man-machine display terminal of connection; described cabinet in the communication interface for being provided with towards the front end in prefabricated secondary device cabin for being connected with independently man-machine display terminal communication, and adopts between cabinet with this man-machine display terminal and shields ethernet communication mode and communicate.
4. prefabricated secondary device cabin according to claim 3, is characterized in that: described man-machine display terminal comprises CPU, and described CPU is connected with the ethernet interface and display and key control unit that communicate to connect with cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138965.2U CN204089013U (en) | 2014-03-25 | 2014-03-25 | Secondary protector screen cabinet and prefabricated secondary device cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138965.2U CN204089013U (en) | 2014-03-25 | 2014-03-25 | Secondary protector screen cabinet and prefabricated secondary device cabin |
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| Publication Number | Publication Date |
|---|---|
| CN204089013U true CN204089013U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420138965.2U Expired - Fee Related CN204089013U (en) | 2014-03-25 | 2014-03-25 | Secondary protector screen cabinet and prefabricated secondary device cabin |
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| CN (1) | CN204089013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904580A (en) * | 2014-03-25 | 2014-07-02 | 许继电气股份有限公司 | Secondary protection device screen cabinet and information display method and prefabricated secondary equipment chamber of secondary protection device cabinet |
-
2014
- 2014-03-25 CN CN201420138965.2U patent/CN204089013U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904580A (en) * | 2014-03-25 | 2014-07-02 | 许继电气股份有限公司 | Secondary protection device screen cabinet and information display method and prefabricated secondary equipment chamber of secondary protection device cabinet |
| CN103904580B (en) * | 2014-03-25 | 2016-03-30 | 许继电气股份有限公司 | Secondary protector screen cabinet and method for information display and prefabricated secondary device cabin |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20190325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |