CN206906569U - Great current mutual inductor site error verification mobile laboratory - Google Patents
Great current mutual inductor site error verification mobile laboratory Download PDFInfo
- Publication number
- CN206906569U CN206906569U CN201720619346.9U CN201720619346U CN206906569U CN 206906569 U CN206906569 U CN 206906569U CN 201720619346 U CN201720619346 U CN 201720619346U CN 206906569 U CN206906569 U CN 206906569U
- Authority
- CN
- China
- Prior art keywords
- mobile laboratory
- mutual inductor
- current
- power supply
- current mutual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of great current mutual inductor site error verification mobile laboratory.Mobile laboratory of the present utility model includes current mutual inductor on site verification complexes, integrated form operating system, experimental enviroment monitoring system and safety monitoring system, and the current mutual inductor on site verification complexes and integrated form operating system are arranged in mobile laboratory.The utility model solve in great current mutual inductor site error checking procedure because labor intensity is big, operating efficiency caused by equipment operation is cumbersome is low, the problem of level of security is low, with device integration height, operating efficiency is high, in power plant, equipment does not have to get off when substation field carries out large current transducer check, without lifting at the scene, without building pilot system temporarily, the advantages of easy to operate, so that it is guaranteed that current mutual inductor on site verifying work is safe and orderly, error check result is reproducible, the degree of accuracy is high, ensure the accuracy and reliability of national transmission of quantity value.
Description
Technical field
Power equipment error checking arrangement field is the utility model is related to, specifically a kind of great current mutual inductor scene
Error checking mobile laboratory.
Background technology
Due in power system electric energy large-scale production and exchange be related to the tremendous economic interests of all departments, power plant and electricity
Be intended to settle accounts by electric energy tariff between net, between networking lines, between power network and large user, high-voltage electric-energy meter it is accurate
Property and reliability also turn into each side be concerned about focal issue.Electric power meter is by high-tension current, voltage transformer, electric energy meter
Formed with secondary circuit.Wherein, current transformer and voltage transformer are that the work(such as measurement, metering, protection are undertaken in power system
The power equipment of energy, quantity is more, power grid security economical operation is influenceed big.In order to ensure transformer equipment is in serviceable condition,
Except requiring that its insulation can be outer, it is necessary to ensure that measurement error meets its accurate rank, its accuracy directly influences electric power
Market it is fair and just.According to JJG1021-2007《Electric power mutual-inductor》National metrological verification regulations provide, except need into
Calibrating is outer first for row, also on-site proving should be periodically carried out to transformer and be traced to the source with national standard to ensure its accuracy.
Existing great current mutual inductor on-site calibration device is generally separate structure, problems be present：
（1）Testing equipment volume is big, weight weight, equipment are scattered, and it is big to transport and build pilot system workload, frequently fills
Car, unload, lift and certain damage is easily caused to testing equipment；
（2）Wiring workload is big, complicated during experiment, and operating efficiency is not high, requires high to testing crew；
（3）Testing equipment is put and safe spacing requirement test site is big, and experiment security risk is big；Experiment system is built in lifting
System also increases the risk of experiment；
（4）Experiment automatized degree is relatively low.
Utility model content
Technical problem to be solved in the utility model is the defects of overcoming above-mentioned prior art to exist, there is provided a kind of big electricity
Current transformer site error verification mobile laboratory, its device integration is high, and operating efficiency is high, existing in power plant, transformer station
Equipment does not have to get off, without lifting at the scene and without building pilot system temporarily when large current transducer check is carried out in field, with
Simplicity operation, improves security and the degree of accuracy.
Therefore, the utility model adopts the following technical scheme that：A kind of great current mutual inductor site error verification movement
Laboratory, the mobile laboratory include current mutual inductor on site verification complexes, integrated form operating system, experimental enviroment prison
Examining system and safety monitoring system, the current mutual inductor on site verification complexes and integrated form operating system are arranged in movement
In laboratory.
The utility model is in use, the mobile laboratory is placed on truck.
On the basis of above-mentioned technical proposal, the current mutual inductor on site verification complexes include current lifting device, standard
Current transformer, Intelligent transformator tester, switch board, disconnecting link cabinet, electronic power supply and multiple accessory cases；
Layering sets electrician's power supply, capacitive compensation device and current loading case successively in the switch board；
The multiple accessory case includes power wire coil cabinet, high current wire case and Tool Cabinet；
The standard current transformer, current loading case and Intelligent transformator tester composition current transformer error of measurement system
System；
The unlatching of the disconnecting link cabinet control electronic power supply and electrician's power supply, capacitive compensation device, current lifting device and the electric current
Transformer error of measurement system is sequentially connected, and the current lifting device is connected with standard current transformer by high current wire.
On the basis of above-mentioned technical proposal, the integrated form operating system includes integrated form operating desk and embedded in integrated form
Man-machine interaction giant-screen on operating desk.
On the basis of above-mentioned technical proposal, the experimental enviroment monitoring system includes being separately positioned on mobile laboratory
The warm and humid supervising device in inside and outside portion, the temperature-humidity signal of warm and humid supervising device are sent to man-machine interaction giant-screen.
On the basis of above-mentioned technical proposal, the safety monitoring system include laboratory illuminator, monitoring system and
Acoustooptic alarm system, laboratory illuminator, monitoring system and the acoustooptic alarm system are connected with disconnecting link cabinet.
On the basis of above-mentioned technical proposal, the laboratory illuminator includes being arranged on the field at the top of mobile laboratory
Interior illuminator inside ground lighting device and mobile laboratory.
On the basis of above-mentioned technical proposal, the monitoring system includes being arranged on four open airs at the top of mobile laboratory
Type high-definition camera, the monitoring signal of the high-definition camera are sent to four split screen real-time display platforms, and four split screen is real-time
Display platform hangs on the top of integrated form operating desk.
On the basis of above-mentioned technical proposal, the acoustooptic alarm system includes being arranged on the warning at the top of mobile laboratory
The caution bell of lamp and mobile laboratory's exterior lateral sides, the control line of the acoustooptic alarm system are connected with integrated form operating desk.
On the basis of above-mentioned technical proposal, the both sides of the mobile laboratory are respectively provided with wiring window；
The wiring window includes external power supply input, experiment power supply output end, current lifting device output end and transformer two
Secondary line incoming end；
The external power supply input connects disconnecting link cabinet, the output end of experiment power supply output end connection electronic power supply and electrician
The output end of power supply, current lifting device output end connection current lifting device first winding, the secondary line incoming end of transformer connect intelligent mutual inductance
Device tester and current loading case.
On the basis of above-mentioned technical proposal, damping and slide-prevention silicagel pad is laid in the mobile laboratory bottom.
Compared with prior art, the utility model has the advantage that as follows：
All devices are not required to get off when the utility model verifies, and are built without the assembling for carrying out pilot system, it is only necessary to
Outside laboratory after simple wiring, operating personnel can complete all verifying works in mobile laboratory, improve operating efficiency,
The personal safety of operating personnel is ensured；Meanwhile the utility model is provided with supervising device and acoustic-optic alarm, has ensured experiment
Safety；Moreover, whole movable detecting platform is without hydraulic machinery motion, securely and reliably.In addition, the utility model is to transport
Vehicle and driver's is less demanding, and management cost is low, is adapted to promote the use of in great current mutual inductor field-checking.
Therefore, the utility model has device integration high, and operating efficiency is high, carries out in power plant, substation field big
Equipment does not have to get off, builds pilot system, easy to operate, peace without lifting at the scene, without interim when current transformer verifies
The advantages of Quan Xinggao, error check result are reproducible, the degree of accuracy is high.
Brief description of the drawings
Fig. 1 is the inside top of the utility model embodiment great current mutual inductor site error verification mobile laboratory
Figure；
Fig. 2 is that the stereochemical structure of the utility model embodiment great current mutual inductor site error verification mobile laboratory is shown
It is intended to；
Fig. 3 is the front view of the great current mutual inductor site error verification mobile laboratory of the utility model embodiment；
Fig. 4 is the structured flowchart of the great current mutual inductor site error verification of the utility model embodiment.
Reference：1- switch boards, 2- integrated form operating desks, 3- man-machine interaction giant-screens, 4- current lifting devices, 5- normalized currents
Transformer, 6- Intelligent transformator testers, 7- disconnecting link cabinets, 8- power wire coil cabinets, 9- high current wire casees, 10- electronic power supplies,
11- Tool Cabinets, 12- warning lamps, 13- high-definition cameras, 14- caution bells, 15- field lightings device, 16- wiring windows, 17- subtract
Shake anti-skidding silicagel pad, 18- electrician's power supply, 19- capacitive compensation devices, 20- current loading casees, 21- current transformer error of measurement systems,
22- laboratories illuminator, 23- monitoring systems, 24- acoustooptic alarm systems.
Embodiment
The utility model is described in further detail with reference to Figure of description and embodiment.
The utility model embodiment provides a kind of great current mutual inductor site error verification mobile laboratory, mobile experiment
Room is placed on truck, and mobile laboratory includes current mutual inductor on site verification complexes, integrated form operating system, examination
Environmental monitoring system and safety monitoring system are tested, current mutual inductor on site verification complexes and integrated form operating system are arranged in
In mobile laboratory.
As shown in figure 1, current mutual inductor on site verification complexes include current lifting device 4, standard current transformer 5, intelligence
Mutual-inductor tester 6, switch board 1, disconnecting link cabinet 7, electronic power supply 10 and multiple accessory cases；Wherein, layering is set successively in switch board 1
Put electrician's power supply 18, capacitive compensation device 19 and current loading case 20；Multiple accessory cases include power wire coil cabinet 8, high current is led
Line case 9 and Tool Cabinet 11.Current lifting device 4 is placed on the lower section of integrated form operating desk 2, and Intelligent transformator tester 6 is placed on current lifting device 4
On.Integrated form operating system includes integrated form operating desk 2 and the man-machine interaction giant-screen 3 on integrated form operating desk 2.
Wherein, experimental enviroment monitoring system includes being separately positioned on the warm and humid supervising device in inside and outside portion of mobile laboratory, temperature
The temperature-humidity signal of wet supervising device is sent to man-machine interaction giant-screen 3, is easy to monitoring and record experimental enviroment situation, such as tests
Environment can suspend experiment in time when being unsatisfactory for vertification regulation regulation.
As shown in Figure 2 and Figure 3, safety monitoring system includes laboratory illuminator 22, monitoring system 23 and sound and light alarm system
System 24, laboratory illuminator 22, monitoring system 23 and acoustooptic alarm system 24 are connected with disconnecting link cabinet 7.
Laboratory illuminator 22 includes being arranged on field lighting device 15 and the mobile laboratory at the top of mobile laboratory
Internal interior illuminator.
Monitoring system 23 includes being arranged on four outdoor type high-definition cameras 13 at the top of mobile laboratory, high-definition camera
13 monitoring signal is sent to four split screen real-time display platforms, is easy to viewing test environment, the suspension of four split screen real-time display platforms
Above integrated form operating desk 2.
Acoustooptic alarm system 24 includes being arranged on the warning lamp 12 and mobile laboratory's exterior lateral sides at the top of mobile laboratory
Caution bell 14, the control line of acoustooptic alarm system 24 is connected with integrated form operating desk 2.
In the present embodiment, the both sides of mobile laboratory are respectively provided with wiring window 16；Wiring window 16 includes external power supply
Input, experiment power supply output end, current lifting device output end and the secondary line incoming end of transformer；External power supply input connects knife
Lock cabinet 7, the output end of experiment power supply output end connection electronic power supply 10 and the output end of electrician's power supply 18, current lifting device output end connect
Connect the first winding of current lifting device 4, the secondary line incoming end connection Intelligent transformator tester 6 of transformer and current loading case 20.Move
Dynamic laboratory bottom laying damping and slide-prevention silicagel pad 17.In order to easy to use, mobile laboratory is using passageway and three-side door-opening
Design.
As shown in figure 4, disconnecting link cabinet 7 connects power supply, electronic power supply 10 or electrician's power supply 18, mark are opened according to experiment demand selection
Quasi- current transformer 5, current loading case 20 and Intelligent transformator tester 6 form current transformer error of measurement system 21；Capacitive is mended
Repay device 19, the summation current transformer error of measurement system 21 of current lifting device 4 is sequentially connected in series, current lifting device 4 and standard current transformer 5 are by big
Ampere wires connect, and current lifting device 4 and standard current transformer 5 connect current lifting device output end, and current lifting device 4 is once mutual with normalized current
Sensor 5 has once been fixedly connected, so without changing the primary connection of standard current transformer 5 again.Wherein, the He of electronic power supply 10
It is each before and after electrician's power supply 18 to set one plug-in strip, electronic power supply 10 are used to connect electricity with the anterior plug-in strip set of electrician's power supply 18
Source；Electronic power supply 10 and the rear portion of electrician's power supply 18 set plug-in strip to be used to prevent voltage from pouring in down a chimney, because electronic power supply 10 and electrician's electricity
The output end intercommunication in source 18, when electronic power supply 10 works, electrician's power supply 18 has the electricity poured in down a chimney into from the output end of electronic power supply 10
Pressure, the short circuit of electrician's power supply 18 is easily caused, when similarly electrician's power supply 18 works, electronic power supply 10 can also pour in down a chimney voltage, therefore set
Put the connection of plug-in strip cut-out electronic power supply 10 and the output end of electrician's power supply 18.
In practical operation, when carrying out great current mutual inductor field-checking, the transport of mobile laboratory will be first mounted with
Car, drive to subject current transformer, open window, the current lifting device output end of the external power supply input of wiring window 16
Window, the window of the secondary line incoming end of transformer, high current wire, secondary line, ground wire, letter are taken out from Tool Cabinet 11
Number line etc., is first grounded to be tested current transformer with high current wire again and once hold and is connected with current lifting device output end, by standard electric
The secondary winding of current transformer 5 and subject current transformer is connected according to error of measurement principle with the secondary line incoming end of transformer,
Transformer station's power supply is connected with external power supply input.After checkout facility wiring is errorless, power transmission simultaneously opens monitoring system 23, opens
The power switch of integrated form operating desk 2, jingle bell once, to show on-test, select current testing, select power supply and corresponding people
Machine interacts giant-screen 3, starts automatic up-flow verification, and generate test report.
In actual applications, fire extinguisher can be set in mobile laboratory, be easy to handle fiery residence dangerous situation.Meanwhile mobile experiment
Window is can be set in the side of room, and mobile folding table/chair can be arranged in mobile laboratory, and air-conditioning can be set in the top of mobile laboratory,
Improve the comfortableness of mobile laboratory.
Those skilled in the art can carry out various modifications and variations to the utility model embodiment, if these are changed
With modification within the scope of the utility model claims and its equivalent technologies, then these modifications and variations are also new in this practicality
Within the protection domain of type.
The prior art that the content not being described in detail in specification is known to the skilled person.
Claims (10)
1. great current mutual inductor site error verification mobile laboratory, it is characterised in that：Described mobile laboratory includes electricity
Current transformer field-checking complexes, integrated form operating system, experimental enviroment monitoring system and safety monitoring system, the electricity
Current transformer field-checking complexes and integrated form operating system are arranged in mobile laboratory.
2. great current mutual inductor site error verification mobile laboratory as claimed in claim 1, it is characterised in that：The electricity
Current transformer field-checking complexes include current lifting device（4）, standard current transformer（5）, Intelligent transformator tester（6）、
Switch board（1）, disconnecting link cabinet（7）, electronic power supply（10）And multiple accessory cases；
The switch board（1）Inside layering sets electrician's power supply successively（18）, capacitive compensation device（19）With current loading case（20）；
The multiple accessory case includes power wire coil cabinet（8）, high current wire case（9）And Tool Cabinet（11）；
The standard current transformer（5）, current loading case（20）With Intelligent transformator tester（6）Current transformer is formed to survey
Poor system（21）；
The disconnecting link cabinet（7）Control electronic power supply（10）With electrician's power supply（18）Unlatching, the capacitive compensation device（19）, rise
Flow device（4）Summation current transformer error of measurement system（21）It is sequentially connected, the current lifting device（4）And standard current transformer（5）Pass through
High current wire connects.
3. great current mutual inductor site error verification mobile laboratory as claimed in claim 2, it is characterised in that：The collection
Accepted way of doing sth operating system includes integrated form operating desk（2）With embedded in integrated form operating desk（2）On man-machine interaction giant-screen（3）.
4. great current mutual inductor site error verification mobile laboratory as claimed in claim 3, it is characterised in that：The examination
Test the warm and humid supervising device that environmental monitoring system includes being separately positioned on inside and outside portion of mobile laboratory, the temperature of warm and humid supervising device
Moisture signal is sent to man-machine interaction giant-screen（3）.
5. great current mutual inductor site error verification mobile laboratory as claimed in claim 3, it is characterised in that：The peace
Full monitoring system includes laboratory illuminator（22）, monitoring system（23）And acoustooptic alarm system（24）, the laboratory is shone
Bright system（22）, monitoring system（23）And acoustooptic alarm system（24）With disconnecting link cabinet（7）Connection.
6. great current mutual inductor site error verification mobile laboratory as claimed in claim 5, it is characterised in that：The reality
Test room illuminator（22）Including the field lighting device being arranged at the top of mobile laboratory（15）Inside mobile laboratory
Interior illuminator.
7. great current mutual inductor site error verification mobile laboratory as claimed in claim 5, it is characterised in that：The prison
Control system（23）Including four outdoor type high-definition cameras being arranged at the top of mobile laboratory（13）, the high-definition camera
（13）Monitoring signal be sent to four split screen real-time display platforms, the four split screens real-time display platform hangs on integrated form operation
Platform（2）Top.
8. great current mutual inductor site error verification mobile laboratory as claimed in claim 5, it is characterised in that：The sound
Light alarm system（24）Including the warning lamp being arranged at the top of mobile laboratory（12）With the warning of mobile laboratory's exterior lateral sides
Bell（14）, the acoustooptic alarm system（24）Control line and integrated form operating desk（2）Connection.
9. the great current mutual inductor site error verification mobile laboratory as any one of claim 1-8, its feature
It is：The both sides of the mobile laboratory are respectively provided with wiring window（16）；
The wiring window（16）Including external power supply input, experiment power supply output end, current lifting device output end and transformer two
Secondary line incoming end；
The external power supply input connects disconnecting link cabinet（7）, experiment power supply output end connection electronic power supply（10）Output end and
Electrician's power supply（18）Output end, current lifting device output end connection current lifting device（4）First winding, the secondary line incoming end of transformer connect
Connect Intelligent transformator tester（6）With current loading case（20）.
10. the great current mutual inductor site error verification mobile laboratory as any one of claim 1-8, its feature
It is：Lay damping and slide-prevention silicagel pad in the mobile laboratory bottom（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720619346.9U CN206906569U (en) | 2017-05-31 | 2017-05-31 | Great current mutual inductor site error verification mobile laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720619346.9U CN206906569U (en) | 2017-05-31 | 2017-05-31 | Great current mutual inductor site error verification mobile laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206906569U true CN206906569U (en) | 2018-01-19 |
Family
ID=61286471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720619346.9U Active CN206906569U (en) | 2017-05-31 | 2017-05-31 | Great current mutual inductor site error verification mobile laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206906569U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271942A (en) * | 2017-05-31 | 2017-10-20 | 国网浙江省电力公司电力科学研究院 | Great current mutual inductor site error verification mobile laboratory |
| CN108414964A (en) * | 2018-06-05 | 2018-08-17 | 国家电网有限公司 | A kind of digitalized electric energy metering movable detecting platform and in-situ check and test method |
-
2017
- 2017-05-31 CN CN201720619346.9U patent/CN206906569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271942A (en) * | 2017-05-31 | 2017-10-20 | 国网浙江省电力公司电力科学研究院 | Great current mutual inductor site error verification mobile laboratory |
| CN108414964A (en) * | 2018-06-05 | 2018-08-17 | 国家电网有限公司 | A kind of digitalized electric energy metering movable detecting platform and in-situ check and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207938972U (en) | A kind of intelligent monitor system applied to box-type substation | |
| CN102955081B (en) | A kind of status of electric power detects mobile laboratory | |
| CN107271942A (en) | Great current mutual inductor site error verification mobile laboratory | |
| CN106154110A (en) | The method carrying out the roads light monitoring of fault location based on detection of electrical leakage | |
| CN205068942U (en) | Experimental hybrid simulation system of high -voltage electrical | |
| CN206906569U (en) | Great current mutual inductor site error verification mobile laboratory | |
| CN104071715A (en) | Near-to-high-voltage safety prewarning method for construction hoist | |
| CN206710585U (en) | The control system of great current mutual inductor site error verification | |
| CN108597291B (en) | Distribution network line loss simulation training system | |
| CN108198477A (en) | Electrical test of transformer simulation teaching system | |
| CN104851343A (en) | Demonstration and training device for electric equipment | |
| CN102582495A (en) | Vehicle-mounted comprehensive test system used for condition based maintenance for electrical equipment | |
| CN210083199U (en) | Subway platform passenger flow statistics early warning device | |
| CN205829450U (en) | A kind of high voltage transducer power unit and cascaded high-voltage frequency converter | |
| CN106683527A (en) | Multifunctional installation and wiring training device for electric energy meter and mutual inductor | |
| CN108831234A (en) | Mutual inductor electrical test emulates teaching aid | |
| CN202443641U (en) | Electronic barrel and examination site assessment system for special operation examinations | |
| CN205067670U (en) | A anti -interference medium simulator for high -voltage electrical is experimental | |
| CN110514239A (en) | A kind of oil-immersed transformer fire early warning device | |
| CN204488603U (en) | A kind of combined power inspection vehicle of height integrated modular | |
| CN106023748A (en) | Low-voltage metering training device | |
| CN115367644A (en) | Crane monitoring method and system based on simulation | |
| CN202383923U (en) | Skill practicing and training platform for electricians | |
| CN205028498U (en) | Real standard system is organized in track traffic driving | |
| CN212378790U (en) | Transformer state monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The eight district of Hangzhou city in Zhejiang province 310014 Huadian Zhaohui under No. 1 Lane Patentee after: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER Research Institute Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: WUHAN PANDIAN SCI-TECH CO.,LTD. Address before: The eight district of Hangzhou city in Zhejiang province 310014 Huadian Zhaohui under No. 1 Lane Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID ZHEJIANG ELECTRIC POWER Co. Patentee before: State Grid Corporation of China Patentee before: WUHAN PANDIAN TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210402 Address after: 311100 Building 5, 138 Yunlian Road, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Marketing service center of State Grid Zhejiang Electric Power Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: WUHAN PANDIAN SCI-TECH CO.,LTD. Address before: The eight district of Hangzhou city in Zhejiang province 310014 Huadian Zhaohui under No. 1 Lane Patentee before: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY LIMITED ELECTRIC POWER Research Institute Patentee before: STATE GRID CORPORATION OF CHINA Patentee before: WUHAN PANDIAN SCI-TECH Co.,Ltd. |
|
| TR01 | Transfer of patent right |