CN112524489B - Rural water pipe network monitored control system - Google Patents
Rural water pipe network monitored control system Download PDFInfo
- Publication number
- CN112524489B CN112524489B CN202011382646.2A CN202011382646A CN112524489B CN 112524489 B CN112524489 B CN 112524489B CN 202011382646 A CN202011382646 A CN 202011382646A CN 112524489 B CN112524489 B CN 112524489B
- Authority
- CN
- China
- Prior art keywords
- pipe
- fixedly connected
- probe
- block
- piece
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000000523 sample Substances 0.000 claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 230000008054 signal transmission Effects 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to a rural water use pipe network monitoring system. The rural water pipe network monitoring system comprises a water pipe, wherein a connecting pipe is fixedly connected to the middle of the water pipe, a connecting outer pipe is connected to the outer portion of the connecting pipe in a threaded mode, a connecting inner pipe is fixedly connected to the inner portion of the connecting outer pipe, the connecting inner pipe is inserted into the connecting pipe, a driving device is connected to the inner portion of the connecting inner pipe, a cleaning device and a probe are connected to the driving end of the driving device, a signal transmission line is connected to the output end of the probe, the other end of the signal transmission line penetrates through the connecting inner pipe, the driving device drives the probe to be inserted into the water pipe, and the driving device drives the cleaning device to clean the surface of the probe; this rural water pipe network monitored control system, the inner tube of being convenient for to connect inserts and uses in the water pipe fitting, and the person's of facilitating the use dismouting is convenient for use widely.
Description
Technical Field
The invention belongs to the technical field of water pipe network monitoring, and particularly relates to a rural water pipe network monitoring system.
Background
The pipe network monitoring system is suitable for a water supply enterprise remote monitoring water supply pipe network, and workers can remotely monitor the pressure and flow conditions of the water supply pipe network in the whole city at a water department dispatching center. Scientifically commanding the start and stop of water supply equipment of each water plant to ensure the balance of water supply pressure and stable flow; the occurrence of pipe explosion accidents is found and predicted in time; in the in-service use of reality, be used for the rural area district far away with this system, often need add the detection sensor on the water pipe fitting along the way for detect quality of water, the flow condition, prevent that proruption or pipe fitting damage of proruption from revealing etc. traditional pipe fitting sensor dismouting is comparatively loaded down with trivial details, and its inside sensor probe is after long-time the use, and its surface wraps up the incrustation scale easily, influences subsequent detection, the people's of not being convenient for use.
Disclosure of Invention
The invention aims to solve the problems and provide a rural water use pipe network monitoring system which is simple in structure and reasonable in design.
The invention realizes the purpose through the following technical scheme:
the utility model provides a rural water pipe network monitored control system, includes water pipe spare, the middle part fixedly connected with connecting pipe of water pipe spare, the outside threaded connection of connecting pipe has the connection outer tube, the inside fixedly connected with connection inner tube of connection outer tube, the connection inner tube inserts in the inside of connecting pipe, the internal connection of connection inner tube has drive arrangement, drive arrangement's drive end is connected with cleaning device and probe, the output of probe is connected with signal transmission line, signal transmission line's the other end runs through the connection inner tube, drive arrangement drive probe inserts in water pipe spare, the drive arrangement drive cleaning device clearance the surface of probe.
As a further optimized scheme of the invention, the driving device comprises a driving motor, a driving end of the driving motor is fixedly connected with a screw rod, the other end of the screw rod is connected with a sliding block, a limiting clamping block is fixedly connected inside the connecting inner tube, and the sliding block is positioned in the limiting clamping block to slide.
As a further optimization scheme of the invention, an upper sliding groove and a lower sliding groove are formed in the sliding block, the screw rod piece is inserted into the upper sliding groove, the outer surface of the tail end of the probe is fixedly connected with a seat plate, the seat plate is positioned in the lower sliding groove, the lower sliding groove is communicated with the inside of the sliding block and the inside of the connecting inner pipe, and the lower end face of the seat plate is in contact with the inner wall of the connecting inner pipe.
As a further optimization scheme of the invention, the cleaning device comprises a pulling block, the pulling block is an elastic rubber block, the pulling block is fixedly connected with a sliding block, the pulling block is positioned in the underlying chute, and the probe penetrates through the pulling block.
As a further optimized scheme of the invention, a fixing hole is formed in the inner wall of the connecting inner tube, a limiting device is connected inside the seat plate, a clamping block is fixedly connected to the driving end of the limiting device, and the limiting device drives the clamping block to be clamped in the fixing hole.
As a further optimized scheme of the invention, the limiting device comprises a fixed plate, the fixed plate is fixedly connected inside the seat plate, the lower end of the fixed plate is fixedly connected with a telescopic bag piece, the lower end of the telescopic bag piece is fixedly connected with a movable plate, the lower end face of the movable plate is fixedly connected with a spring piece, the lower end of the spring piece is fixedly connected with a clamping block, and the clamping block moves up and down along the seat plate.
As a further optimization scheme of the invention, the limiting device comprises an air pump piece, one end of the air pump piece is connected with an air storage tank, and the other end of the air pump piece is connected with an air port of the telescopic bag piece.
As a further optimization scheme of the invention, a waterproof bearing is arranged between the limiting clamping block and the screw rod piece.
The invention has the beneficial effects that: the invention is provided with the driving motor, the screw rod piece is driven to rotate by the driving motor, the sliding block is enabled to move along the limiting clamping block, so that the seat plate and the probe are driven to extend out of the inner connecting pipe, after a clamping block in the seat plate is matched with the fixing hole, the screw rod piece is driven to rotate reversely by the driving motor, the sliding block is enabled to move and reset, the end face of the pulling block is stopped after being contacted with the end face of the seat plate, the detection end of the probe extends out of the inner connecting pipe, data is collected, the pulling block is an elastic rubber block, has higher wrapping performance and higher waterproofness, and after being used for a certain time, the pulling block can be moved in a mode that the screw rod piece is driven to rotate by the driving motor, and the surface dirt of the probe is cleaned by the pulling block, so that the probe is very convenient; the limiting device is arranged, and air in the air storage tank is filled into the telescopic bag piece through the air pump piece to enable the telescopic bag piece to extend and harden, so that the clamping block is popped up when passing through the fixing hole, the probe is fixed, the resetting of the pulling block is facilitated, and the stability of the probe is kept when the probe is cleaned through the pulling block; entire system has higher waterproof sealing performance, and structural design is ingenious simple simultaneously, and positive reverse through driving motor both can stretch out this probe, can clear up this probe again to and retrieve the probe, it is very convenient, with this connection outer tube fixed with being connected the inner tube, be convenient for connect the inner tube and insert and use in water pipe fitting, the person's of facilitating the use dismouting, convenient to popularize and use.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of FIG. 1 of the present invention;
FIG. 3 is a schematic view of the slider configuration of the present invention;
FIG. 4 is a schematic view of the construction of the seat plate of the present invention;
FIG. 5 is a schematic diagram of the present invention in operation of FIG. 1;
FIG. 6 is a schematic view of the slider of FIG. 5 after it has been repositioned in accordance with the present invention.
In the figure: 1. a water pipe; 2. a connecting pipe; 3. connecting an outer pipe; 4. connecting the inner pipes; 5. a signal transmission line; 6. a drive motor; 7. an air pump member; 8. a gas storage tank; 9. a waterproof bearing; 10. a screw member; 11. a seat plate; 12. a probe; 13. a slider; 14. pulling the block; 15. a chute is arranged on the upper part; 16. a chute is arranged below; 17. a fixing hole; 18. a fixing plate; 19. a bellows member; 20. moving the plate; 21. a spring member; 22. a clamping block; 23. and limiting the clamping block.
Detailed Description
The present application will now be described in further detail with reference to the drawings, and it should be noted that the following detailed description is given for purposes of illustration only and should not be construed as limiting the scope of the present application, as these numerous insubstantial modifications and variations can be made by those skilled in the art based on the teachings of the present application.
Example 1
As shown in fig. 1-6, a rural water pipe network monitoring system, includes water pipe 1, the middle part fixedly connected with connecting pipe 2 of water pipe 1, the outside threaded connection of connecting pipe 2 has connection outer tube 3, the inside fixedly connected with connection inner tube 4 of connection outer tube 3, connection inner tube 4 inserts in the inside of connecting pipe 2, the internal connection of connection inner tube 4 has drive arrangement, drive arrangement's drive end is connected with cleaning device and probe 12, the output of probe 12 is connected with signal transmission line 5, the other end of signal transmission line 5 runs through connect inner tube 4, drive arrangement drive probe 12 inserts in water pipe 1, drive arrangement drive cleaning device clears up the surface of probe 12.
The driving device comprises a driving motor 6, a screw rod 10 is fixedly connected to the driving end of the driving motor 6, a sliding block 13 is connected to the other end of the screw rod 10, a limiting clamping block 23 is fixedly connected to the inside of the inner connecting pipe 4, and the sliding block 13 is located in the limiting clamping block 23 to slide. An upper sliding groove 15 and a lower sliding groove 16 are formed in the sliding block 13, the screw rod 10 is inserted into the upper sliding groove 15, a seat plate 11 is fixedly connected to the outer surface of the tail end of the probe 12, the seat plate 11 is located in the lower sliding groove 16, the lower sliding groove 16 is communicated with the inside of the sliding block 13 and the inside of the connecting inner tube 4, and the lower end face of the seat plate 11 is in contact with the inner wall of the connecting inner tube 4. The cleaning device comprises a pulling block 14, the pulling block 14 is an elastic rubber block, the pulling block 14 is fixedly connected with a sliding block 13, the pulling block 14 is located in a downward sliding groove 16, and the probe 12 penetrates through the pulling block 14. The inner wall of the connecting inner tube 4 is provided with a fixing hole 17, the inner part of the seat plate 11 is connected with a limiting device, the driving end of the limiting device is fixedly connected with a clamping block 22, and the limiting device drives the clamping block 22 to be clamped in the fixing hole 17. The limiting device comprises a fixing plate 18, the fixing plate 18 is fixedly connected inside the seat plate 11, a telescopic bag part 19 is fixedly connected to the lower end of the fixing plate 18, a moving plate 20 is fixedly connected to the lower end of the telescopic bag part 19, a spring part 21 is fixedly connected to the lower end face of the moving plate 20, a clamping block 22 is fixedly connected to the lower end of the spring part 21, and the clamping block 22 moves up and down along the seat plate 11. The limiting device comprises an air pump piece 7, the end of the air pump piece 7 is connected with an air storage tank 8, the other end of the air pump piece 7 is connected with an air port of a telescopic bag piece 19, a controller is installed inside the inner connecting pipe 4 when necessary, and the limiting device is matched with a corresponding electromagnetic valve piece to be used conveniently. And a waterproof bearing 9 is arranged between the limiting clamping block 23 and the screw rod piece 10. Step motor is selected for use by driving motor 6, specifically, select for use 42BLY-0630NBB series step motor, cooperation accessory BLD-70/BLD-120A model's adaptation driver, its small in size, weight is 0.49KG, also can select for use the cooperation of waterproof motor, when adopting general motor, can cooperate waterproof bearing 9 to use, and is very convenient.
It should be noted that, when the rural water pipe network monitoring system is used, the driving motor 6 is arranged, the screw rod member 10 is driven to rotate by the driving motor 6, the sliding block 13 moves along the limiting clamping block 23, so that the seat plate 11 and the probe 12 are driven to extend out of the inner connecting pipe 4, after the clamping block 22 in the seat plate 11 is matched with the fixing hole 17, the screw rod member 10 is driven to rotate reversely by the driving motor 6, the sliding block 13 moves and resets, the end face of the pulling block 14 is stopped after being contacted with the end face of the seat plate 11, the detection end of the probe 12 extends out of the inner connecting pipe 4, data is collected, the pulling block 14 is an elastic rubber block, the wrapping performance is high, the waterproof performance is high, after a certain time of use, the pulling block 14 can be moved in a mode that the driving motor 6 drives the screw rod member 10 to rotate, and the surface dirt of the probe 12 is cleaned by the pulling block 14, which is very convenient; a limiting device is arranged, air in the air storage tank 8 is filled into the telescopic bag part 19 through the air pump part 7, so that the telescopic bag part is stretched and hardened, the fixture block 22 is ejected when passing through the fixing hole 17, the probe 12 is fixed, the resetting of the pull block 14 is facilitated, and the stability of the probe 12 is maintained when the probe 12 is cleaned through the pull block 14; entire system has higher waterproof sealing performance, and structural design is ingenious simple simultaneously, and the just reversal through driving motor 6 both can stretch out this probe 12, can clear up this probe 12 again to and retrieve probe 12, and it is very convenient, with this connection outer tube 3 fixed with being connected inner tube 4, be convenient for connect inner tube 4 and insert and use in water pipe fitting 1, the person's of facilitating the use dismouting, convenient to popularize and use.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (4)
1. A rural water pipe network monitoring system is characterized by comprising a water pipe, wherein a connecting pipe is fixedly connected to the middle of the water pipe, a connecting outer pipe is in threaded connection with the outside of the connecting pipe, a connecting inner pipe is fixedly connected to the inside of the connecting outer pipe, the connecting inner pipe is inserted into the connecting pipe, a driving device is connected to the inside of the connecting inner pipe, a cleaning device and a probe are connected to the driving end of the driving device, a signal transmission line is connected to the output end of the probe, the other end of the signal transmission line penetrates through the connecting inner pipe, the driving device drives the probe to be inserted into the water pipe, and the driving device drives the cleaning device to clean the surface of the probe; the driving device comprises a driving motor, a screw rod piece is fixedly connected to the driving end of the driving motor, a sliding block is connected to the other end of the screw rod piece, a limiting clamping block is fixedly connected to the inside of the connecting inner pipe, and the sliding block is located in the limiting clamping block and slides; an upper sliding groove and a lower sliding groove are formed in the sliding block, the screw rod piece is inserted into the upper sliding groove, the outer surface of the tail end of the probe is fixedly connected with a seat plate, the seat plate is located in the lower sliding groove, the lower sliding groove is communicated with the inside of the sliding block and the inside of the connecting inner tube, and the lower end face of the seat plate is in contact with the inner wall of the connecting inner tube; the cleaning device comprises a pulling block, the pulling block is an elastic rubber block and is fixedly connected with a sliding block, the pulling block is positioned in the underlying sliding groove, and the probe penetrates through the pulling block; the inner wall of the connecting inner pipe is provided with a fixing hole, the inner part of the seat plate is connected with a limiting device, the driving end of the limiting device is fixedly connected with a clamping block, and the limiting device drives the clamping block to be clamped in the fixing hole.
2. The rural water network monitoring system of claim 1, wherein: the limiting device comprises a fixing plate, the fixing plate is fixedly connected to the inside of the seat plate, a telescopic bag piece is fixedly connected to the lower end of the fixing plate, a moving plate is fixedly connected to the lower end of the telescopic bag piece, a spring piece is fixedly connected to the lower end face of the moving plate, a clamping block is fixedly connected to the lower end of the spring piece, and the clamping block moves up and down along the seat plate.
3. The rural water network monitoring system of claim 2, wherein: the limiting device comprises an air pump piece, the end of the air pump piece is connected with an air storage box, and the other end of the air pump piece is connected with an air port of the telescopic bag piece.
4. The rural water use network monitoring system of claim 3, wherein: and a waterproof bearing is arranged between the limiting clamping block and the screw rod piece.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011382646.2A CN112524489B (en) | 2020-12-01 | 2020-12-01 | Rural water pipe network monitored control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011382646.2A CN112524489B (en) | 2020-12-01 | 2020-12-01 | Rural water pipe network monitored control system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112524489A CN112524489A (en) | 2021-03-19 |
CN112524489B true CN112524489B (en) | 2022-08-23 |
Family
ID=74995738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011382646.2A Active CN112524489B (en) | 2020-12-01 | 2020-12-01 | Rural water pipe network monitored control system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112524489B (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4309506A (en) * | 1980-06-11 | 1982-01-05 | Eli Lilly And Company | Fermentation system and failure-detection probe holder |
CN204832161U (en) * | 2015-07-22 | 2015-12-02 | 慈溪迈思特电子科技有限公司 | Set up quality of water tester that incrustation scale struck off device |
CN209918478U (en) * | 2019-04-17 | 2020-01-10 | 中国石油化工股份有限公司 | Automatic cleaning device for corrosion on-line monitoring probe of gathering and transportation pipeline |
CN211348176U (en) * | 2019-09-06 | 2020-08-25 | 中工(辽宁)环境科学研究有限公司 | Water quality detection device capable of preventing scale from condensing |
CN211402367U (en) * | 2020-01-12 | 2020-09-01 | 浙江多谱检测科技有限公司 | Environmental engineering sewage monitoring facilities |
-
2020
- 2020-12-01 CN CN202011382646.2A patent/CN112524489B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN112524489A (en) | 2021-03-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109443856A (en) | A kind of designated depth water sampling device | |
CN112524489B (en) | Rural water pipe network monitored control system | |
CN117739160A (en) | Leakage-proof natural gas valve | |
CN109253856B (en) | Wall drag reduction testing device with different structures based on different environments | |
CN112539808A (en) | Intelligent diagnosis system and diagnosis method based on solution storage in industrial manufacturing | |
CN113687046A (en) | Reduce river course sewage real-time detection device that aquatic filth disturbed | |
CN203268014U (en) | Fast inflation gun with gas pressure meter | |
CN219475587U (en) | Water quality monitoring alarm device | |
CN209656362U (en) | A kind of designated depth water sampling device | |
CN211901764U (en) | Air exhaust valve | |
CN211314162U (en) | Detachable check valve | |
CN210507624U (en) | Easy maintenance's constant voltage water supply installation | |
CN201954053U (en) | Air release valve of built-in solar water heater pipeline | |
CN211215120U (en) | Building pipeline fire control water supply and drainage device | |
CN218093725U (en) | Nitrogen pressure detection device for hydraulic station energy accumulator | |
CN209961390U (en) | Water pressure testing device for water supply pipeline | |
CN220953664U (en) | Water-proof hammer non-negative pressure water supply equipment | |
CN213688533U (en) | Scale inhibitor dosing unit | |
CN215763485U (en) | Fire alarm safety valve | |
CN216815664U (en) | Anhydrous detection device of intelligence water supply system | |
CN2472213Y (en) | Quick acting anti-freezing pressure inspector | |
CN204730992U (en) | Adapter pick-up unit moulded by a kind of PE steel | |
CN219300215U (en) | Hafu joint with good sealing effect | |
CN109373192A (en) | A kind of natural gas line is released tool with the safe blowdown of DN100 or less ball valve | |
CN219662754U (en) | Multifunctional building fire-fighting equipment detection equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |