CN112814518A - Modularization skylight link means that resets - Google Patents
Modularization skylight link means that resets Download PDFInfo
- Publication number
- CN112814518A CN112814518A CN202110060889.2A CN202110060889A CN112814518A CN 112814518 A CN112814518 A CN 112814518A CN 202110060889 A CN202110060889 A CN 202110060889A CN 112814518 A CN112814518 A CN 112814518A
- Authority
- CN
- China
- Prior art keywords
- skylight
- push rod
- modular
- rubber wheel
- fixed
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/608—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for revolving wings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
- E04D13/0351—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis
- E04D13/0354—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts pivoting about a fixed axis the parts being flat
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/02—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/148—Windows
- E05Y2900/152—Roof windows
- E05Y2900/154—Skylights
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The embodiment of the invention discloses a modularized skylight reset connecting rod device, which comprises a sliding rail supporting plate, two sections of rails, a push rod, an extension piece, a rubber wheel, a triangular block and a cover, wherein the two sections of rails are fixed on a skylight outer frame along with the sliding rail supporting plate, the rubber wheel is fixed on the push rod, the push rod is fixed on the inner rail of the two sections of rails and can move along with the inner rail, the rubber wheel is vertically arranged in the middle of the push rod along a bolt and can rotate as a rotating shaft of the bolt, the triangular block is arranged on a skylight glass frame and corresponds to the rubber wheel, the rubber wheel can be driven to roll along the triangular block when the push rod moves, the skylight can be automatically opened due to the fact that the side opposite to the side is opened, the push rod can be driven to drive the rubber wheel to roll along the triangular, and the extension pieces are used for the skylight of the embodiment which is connected end to end so as to control the skylight with different numbers of unit skylight adaptively. The invention has the characteristics of energy saving, easy installation, modularization and the like.
Description
Technical Field
The invention relates to the technical field of communication network equipment, in particular to a modular skylight reset connecting rod device and a control method thereof.
Background
The energy-saving data center cold channel is built, the skylight is connected with the cabinet, the skylight after being opened needs a hand to close each skylight, the skylight is reset by one key, one button is electrically reset, and the skylight is not needed to be closed by the hand. In the current data center construction, the national energy-saving requirement on the data center is increasingly strict, the PUE value is required to be not higher than 1.5, even the PUE value of a large-scale data center is required to achieve the energy-saving effect of 1.2, in the current data center construction, the construction adopts a cabinet combination to build a cold channel closed system mode to effectively solve the heat dissipation problem of a server, meanwhile, the physical separation of cold and heat improves the efficiency of converting heat into cold for the use of an air conditioner, the current popular cold and hot channel building is designed and manufactured by various manufacturers, the industry standard basic rule requires that the channel of the manufacturer is built according to modularization, a skylight only needs to be linked with a fire-fighting system, the consistency advance and the energy-saving performance of products of the building are improved by a large space, the energy-saving purpose is achieved by matching with the reduction of the PUE value of the whole data center, and at present, 1 electromagnet of 12V/24V is basically configured for each skylight to attract the rotating skylight to achieve closed sealing The channel is closed, each set of micro module is generally formed by combining 20-40 cabinets, the number of actually correspondingly installed magnets is more than 10-20, and each magnet has 12V/3W-5W according to the actual power consumption, namely the total power consumption of the skylight electromagnet reaches 60W-100W! The use of one electromagnet per louver increases the energy consumption of the product. The invention aims to provide a modular skylight reset connecting rod device, so that a traditional method for closing a skylight by manually closing the skylight by replacing a plurality of electromagnets and a push rod motor is only used for a skylight of a data center cold channel, the automation degree is increased, and the modular skylight reset connecting rod device has the characteristics of modularization, flexible installation, energy conservation and the like.
Disclosure of Invention
The invention aims to provide a modular skylight reset connecting rod device, which can realize automatic skylight opening and closing and has better stability and energy saving performance.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a modular skylight return linkage, comprising: the device comprises a sliding rail supporting plate, two sections of rails, a push rod, an extension piece, a rubber wheel, a triangular block and a cover; the sliding rail supporting plate is fixed along the outer frame of the unit skylight at one side provided with the rotating shaft; the two-section rail outer rail is fixed on the sliding support plate; the push rod is fixed on an inner rail which can slide along the outer rail of the two sections of rails, a plurality of screw holes are respectively arranged above the two ends of the push rod, and the side surface of the middle part of the push rod is provided with the screw holes; the rubber wheel is hinged in a screw hole in the middle of the push rod through a bolt, the hinged bolt vertically penetrates through the side face of the push rod, nuts are arranged at two ends of the hinged bolt to clamp and fix the push rod, and the rubber wheel can rotate around the axis of the hinged bolt at one end; a plurality of screw holes are formed in two sides of the bottom of the cover and are fixed on the sliding rail supporting plate through bolts, one side of the middle of the cover is provided with an oblong hole with the width larger than the diameter of the rubber wheel, and the extending piece is fixed at one end of the push rod through bolts; the triangular block is fixed on a unit skylight glass frame parallel to the push rod; the glass frame opposite to the opening side of the skylight is provided with a counterweight, and when the push rod loses tension, the skylight is automatically opened due to the counterweight of the glass frame opposite to the opening side; when the push rod is pulled rightwards, the push rod moves along with the inner rails of the two sections of rails to drive the rubber wheels to climb on the triangular blocks and roll and press downwards towards the opening side of the skylight until the skylight is closed.
Furthermore, the upward slope direction of the triangular block points to the skylight opening side, the triangular block is arranged at one side, close to the skylight opening, of the unit skylight rotation rotating shaft, the two ends of the inclined plane of the triangular block are provided with recesses with screw holes, the triangular block is matched with bolts to be fixed with the unit skylight glass frame, and the heights of the bolts are not higher than the depth of the recesses.
Furthermore, the extension piece is provided with a screw hole corresponding to the push rod, the modular skylight reset connecting rod devices can be connected end to end through the extension piece through bolts, and the push rod motor device is connected to the starting end, so that the opening or closing of the unit skylights is controlled.
Correspondingly, the invention provides a control method thereof, which is applied to the modular skylight reset connecting rod device provided by the invention and comprises the following steps:
step 1: m modular skylight resetting connecting rod devices are connected end to end through an extending piece and are installed on a skylight comprising M unit skylights, and the head end of a push rod of the first modular skylight resetting connecting rod device is connected to a push rod motor device on one side of the first modular skylight resetting connecting rod device through an electromagnet;
step 2: when the skylight needs to be closed, the electromagnet is controlled to be electrified so that the push rod motor is attracted with the push rod of the first modular skylight resetting connecting rod device, the push rod of the push rod motor retracts to pull the push rod of the modular skylight resetting connecting rod device to move towards the push rod motor, and then the skylight is closed;
and step 3: when the skylight needs to be opened, the electromagnet is controlled to lose power, the skylight is automatically opened due to the balance weight of the glass frame on the opposite side of the opening side, the push rod of the push rod motor is controlled to stretch out, the electromagnet is pushed to move to the position which is attached to the head end of the push rod of the modularized skylight reset connecting rod device, and preparation is made for closing the skylight next time.
The invention has the beneficial effects that:
the beneficial effects of the invention are as follows: simple structure, the modularization installation combines the micromodule electric skylight control assembly that this department provided, can realize automated control to single motor realizes skylight switch with single electromagnet cooperation, has replaced traditional many electromagnet and motor cooperation to realize skylight switch, can obviously reduce the energy consumption.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an external view of an embodiment of the present invention;
FIG. 3 is a diagram illustrating the effect of a cold aisle skylight in a data center according to an embodiment of the present invention;
FIG. 4 is a view of FIG. 3 from a close up G;
FIG. 5 is a partial enlarged view H of FIG. 4;
FIG. 6 is a diagram illustrating the effect of the cold aisle skylight in the data center according to the embodiment of the present invention;
FIG. 7 is an enlarged fragmentary view I of FIG. 6;
FIG. 8 is a partial enlarged view J of FIG. 7;
the reference numerals are explained below:
1. slide rail support plate
2. Two-section rail
201. Outer rail
202. Inner rail
3. Push rod
4. Extension piece
5. Rubber wheel
501. Bolt
6. Triangular block
601. Depressions
7. Cover for portable electronic device
701. An oblong hole.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict, and the present invention is further described in detail with reference to the drawings and specific embodiments.
If directional indications (such as up, down, left, right, front, and rear … …) are provided in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the movement, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, the descriptions referring to "first", "second", etc. in the embodiments of the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Referring to fig. 1 to 3, a modular sunroof restoring link device includes: the device comprises a sliding rail supporting plate, two sections of rails, a push rod, an extension piece, a rubber wheel, a triangular block and a cover;
the sliding rail supporting plate is fixed along the outer frame of the unit skylight at one side provided with the rotating shaft; the two-section rail outer rail is fixed on the sliding support plate; the push rod is fixed on an inner rail which can slide along the outer rail of the two sections of rails, a plurality of screw holes are respectively arranged above the two ends of the push rod, and the side surface of the middle part of the push rod is provided with the screw hole; the rubber wheel is hinged in a screw hole in the middle of the push rod through a bolt, the hinged bolt vertically penetrates through the side face of the push rod, nuts are arranged at two ends of the hinged bolt to clamp and fix the push rod, and one end of the rubber wheel, used for being hinged, of the bolt can rotate around the axis of the rubber wheel; a plurality of screw holes are formed in two sides of the bottom of the cover and are fixed on the sliding rail supporting plate through bolts, one side of the middle of the cover is provided with a long circular hole with the width larger than the diameter of the rubber wheel, and the extending piece is fixed at one end of the push rod through bolts; the triangular block is fixed on a unit skylight glass frame parallel to the push rod; the glass frame opposite to the opening side of the skylight is provided with a counterweight, and when the push rod loses tension, the skylight is automatically opened due to the counterweight of the glass frame opposite to the opening side; when the push rod is pulled rightwards, the push rod moves along with the inner rails of the two sections of rails to drive the rubber wheels to climb on the triangular blocks and roll and press downwards towards the opening side of the skylight until the skylight is closed.
As an implementation mode, the upward slope direction of the triangular block points to the skylight opening side, the triangular block is arranged on one side, close to the skylight opening, of the unit skylight rotation rotating shaft, the two ends of the inclined plane of the triangular block are provided with recesses with screw holes and used for being fixed with the unit skylight glass frame, the triangular block is fixed with the unit skylight glass frame through matching bolts, and the heights of the bolts are not higher than the depth of the recesses.
In one embodiment, the extension member is provided with screw holes corresponding to the push rods, and the extension member can be used for connecting the modular skylight reset connecting rod devices end to end through bolts and connecting the push rod motor device at the beginning end, so that the opening or closing of the unit skylights is controlled.
Correspondingly, an embodiment of the present invention provides a control method, which is applied to the modular sunroof return link device provided by the present invention, and includes:
step 1: m modular skylight resetting connecting rod devices are connected end to end through an extending piece and are installed on a skylight comprising M unit skylights, and the head end of a push rod of the first modular skylight resetting connecting rod device is connected to a push rod motor device on one side of the first modular skylight resetting connecting rod device through an electromagnet;
step 2: when the skylight needs to be closed, the electromagnet is controlled to be electrified so that the push rod motor is attracted with the push rod of the first modular skylight resetting connecting rod device, the push rod of the push rod motor retracts to pull the push rod of the modular skylight resetting connecting rod device to move towards the push rod motor, and then the skylight is closed;
and step 3: when the skylight needs to be opened, the electromagnet is controlled to lose power, the skylight is automatically opened due to the balance weight of the glass frame on the opposite side of the opening side, the push rod of the push rod motor is controlled to stretch out, the electromagnet is pushed to move to the position which is attached to the head end of the push rod of the modularized skylight reset connecting rod device, and preparation is made for closing the skylight next time.
The embodiment of the invention has the following beneficial effects:
the beneficial effects of the invention are as follows: simple structure, the modularization installation combines the micromodule electric skylight control assembly that this department provided, can realize automated control to single motor realizes skylight switch with single electromagnet cooperation, has replaced traditional many electromagnet and motor cooperation to realize skylight switch, can obviously reduce the energy consumption.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A modular skylight return linkage, comprising: the device comprises a sliding rail supporting plate, two sections of rails, a push rod, an extension piece, a rubber wheel, a triangular block and a cover; the sliding rail supporting plate is fixed along the outer frame of the unit skylight at one side provided with the rotating shaft; the two-section rail outer rail is fixed on the sliding support plate; the push rod is fixed on an inner rail which can slide along the outer rail of the two sections of rails, a plurality of screw holes are respectively arranged above the two ends of the push rod, and the side surface of the middle part of the push rod is provided with the screw holes; the rubber wheel is hinged in a screw hole in the middle of the push rod through a bolt, the hinged bolt vertically penetrates through the side face of the push rod, nuts are arranged at two ends of the hinged bolt to clamp and fix the push rod, and the rubber wheel can rotate around the axis of the hinged bolt at one end; a plurality of screw holes are formed in two sides of the bottom of the cover and are fixed on the sliding rail supporting plate through bolts, one side of the middle of the cover is provided with an oblong hole with the width larger than the diameter of the rubber wheel, and the extending piece can be fixed at any end of the push rod through bolts; the triangular block is fixed on a unit skylight glass frame parallel to the push rod; the glass frame opposite to the opening side of the skylight is provided with a counterweight, and when the push rod loses tension, the skylight is automatically opened due to the counterweight of the glass frame opposite to the opening side; when the push rod is pulled rightwards, the push rod moves along with the inner rails of the two sections of rails to drive the rubber wheels to climb on the triangular blocks and roll and press downwards towards the opening side of the skylight until the skylight is closed.
2. The modular skylight resetting link device of claim 1, wherein the upward slope direction of the triangular block points to the skylight opening side and is located at the side of the unit skylight rotation shaft close to the skylight opening, and both ends of the triangular block inclined plane are provided with recesses with screw holes for fixing with the unit skylight glass frame.
3. The modular sunroof return link assembly of claim 1, wherein the extension member has a screw hole corresponding to the push rod, and a plurality of modular sunroof return link assemblies are connected end to end by bolts through the extension member and connected to the push rod motor assembly at the beginning thereof, thereby controlling the opening and closing of the plurality of unit skylights.
4. A method of controlling a modular skylight return linkage arrangement, applied to the modular skylight return linkage arrangement of claim 1, comprising:
step 1: m modular skylight resetting connecting rod devices are connected end to end through an extending piece and are installed on a skylight comprising M unit skylights, and the head end of a push rod of the first modular skylight resetting connecting rod device is connected to a push rod motor device on one side of the first modular skylight resetting connecting rod device through an electromagnet;
step 2: when the skylight needs to be closed, the electromagnet is controlled to be electrified so that the push rod motor is attracted with the push rod of the first modular skylight resetting connecting rod device, the push rod of the push rod motor retracts to pull the push rod of the modular skylight resetting connecting rod device to move towards the push rod motor, and then the skylight is closed;
and step 3: when the skylight needs to be opened, the electromagnet is controlled to lose power, the skylight is automatically opened due to the balance weight of the glass frame on the opposite side of the opening side, the push rod of the push rod motor is controlled to stretch out, the electromagnet is pushed to move to the position which is attached to the head end of the push rod of the modularized skylight reset connecting rod device, and preparation is made for closing the skylight next time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110060889.2A CN112814518A (en) | 2021-01-18 | 2021-01-18 | Modularization skylight link means that resets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110060889.2A CN112814518A (en) | 2021-01-18 | 2021-01-18 | Modularization skylight link means that resets |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112814518A true CN112814518A (en) | 2021-05-18 |
Family
ID=75869662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110060889.2A Pending CN112814518A (en) | 2021-01-18 | 2021-01-18 | Modularization skylight link means that resets |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112814518A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113445675A (en) * | 2021-07-15 | 2021-09-28 | 浙江一舟电子科技股份有限公司 | Automatic reset skylight for machine room |
CN113700228A (en) * | 2021-09-06 | 2021-11-26 | 广东海悟科技有限公司 | Turnover skylight |
-
2021
- 2021-01-18 CN CN202110060889.2A patent/CN112814518A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113445675A (en) * | 2021-07-15 | 2021-09-28 | 浙江一舟电子科技股份有限公司 | Automatic reset skylight for machine room |
CN113700228A (en) * | 2021-09-06 | 2021-11-26 | 广东海悟科技有限公司 | Turnover skylight |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112814518A (en) | Modularization skylight link means that resets | |
CN113597238B (en) | Heat dissipation cabinet for network data processing | |
CN214943477U (en) | Modularization skylight link means that resets | |
CN209896550U (en) | Intelligent low-voltage switch cabinet | |
CN115776792A (en) | Server for engineering technology development | |
CN114156747A (en) | High temperature resistant environment-friendly switch board | |
CN213871680U (en) | Antidetonation support convenient to adjust installation | |
CN218632952U (en) | Power distribution system's of pin-connected panel structure quick-witted case | |
CN112332255A (en) | Modular cabinet is settled in stand-by power supply heat dissipation | |
CN213520840U (en) | Building electrical automation control device | |
CN215872110U (en) | Multifunctional cabinet for weak current engineering | |
CN207836036U (en) | A kind of switchgear house heat dissipation wall | |
CN220325013U (en) | Power dispatching control cabinet | |
CN218941244U (en) | Novel equipment for computer communication | |
CN217157607U (en) | Indoor LED is hoist and mount box body for display screen | |
CN213692669U (en) | Strong and weak electricity box with wire arrangement function | |
CN221008603U (en) | Information storage device for network technology service | |
CN219569936U (en) | High-strength upper door and window frame connecting piece for aluminum alloy inward-opening doors and windows | |
CN220527452U (en) | Assembled low-voltage power distribution cabinet | |
CN218991353U (en) | Special glass capable of being embedded with control panel | |
CN219203837U (en) | Assembled switch board | |
CN218161448U (en) | Cabinet body heat radiation structure of high-voltage switch cabinet | |
CN208395725U (en) | A kind of pavement gate with advertisement | |
CN215732767U (en) | Electrical equipment cabinet with component quick-release structure | |
CN220021977U (en) | Box transformer integrated low-voltage power distribution cabinet |
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 |