Assemblies for insulating glazing and insulating glazing

Abstract

The present application discloses an assembly suitable for placement between a first glazing sheet and a second glazing sheet of insulating glazing, the assembly comprising an opening adapted for a contact having a first contact and a second contact, and a resilient structure to which tension is applied during manufacture of the insulating glazing, such that after manufacture of the insulating glazing, the first contact is held firmly against an electrical component, and the contact area of ​​the first contact is 1 cm 2 Also disclosed are methods for manufacturing such assemblies, insulating glazing comprising such assemblies, and methods for manufacturing such insulating glazing.

Description

[Technical Field]

[0001] The present invention relates to an assembly suitable for placement between a first and a second glazing sheet of insulating glazing, a method for manufacturing such an assembly, insulating glazing comprising such an assembly, and a method for manufacturing such insulating glazing. [Background technology]

[0002] Glazing is typically installed in a building opening. Such an opening may be on the exterior wall of a building or within the building itself. Such glazing may be insulating glazing, in which at least two glazing sheets are arranged in a face-to-face configuration with a cavity therebetween. The cavity is typically maintained by a spacer between the sheets of glazing material, and the cavity is typically filled with an insulating gas, although in some cases the cavity may be a vacuum. In either case, an airtight seal is typically provided between the surroundings and the sheets of glazing material to maintain the cavity atmosphere. Insulating glazing is also known as an insulating glazing unit or an insulating glazing unit (IGU).

[0003] In some cases, the insulating glazing may include electrical components that require electrical energy. A conventional method of supplying electrical energy to electrical components located within the cavity involves the use of cables soldered to the electrical components.

[0004] For example, GB 1262372 describes a conductor extending through a grommet in a separator strip and a sleeve surrounding the conductor that electrically insulates the conductor from the grommet and separator strip and seals the grommet around the conductor. The conductor is soldered to a busbar.

[0005] However, soldered joints are fragile and can easily break during or after the manufacture and / or installation of an insulated glazing unit. In particular, glass panes can bend due to impact, wind pressure, or pressure differences between the cavity and the external environment. Over time, this bending often causes the solder to become very brittle, resulting in breakage and a poor or complete failure of the electrical connection. This can result in waste if breakage occurs and is detected during manufacture, or in complete replacement if the soldered connection fails after installation.

[0006] Attempts have been made in the past to provide alternative methods for connecting electrical components inside insulating glazing.

[0007] Spacer profiles are provided that include methods for providing electrical connections within insulating glazing; for example, WO2019086384 discloses a spacer for an insulating glazing unit having three or more glazing sheets enclosing at least one sealed gap between at least two glazing sheets, the spacer comprising a groove adapted to receive an intermediate glazing sheet, the spacer comprising at least two electrically conductive portions electrically insulated from each other and disposed on one or both of the side walls and / or bottom wall of the groove.

[0008] Corner keys that provide electrical connections within insulating glazing have also been proposed. For example, U.S. Patent No. 9,402,283 discloses a corner key assembly for an electrically heated insulating glass unit with a spring clip. The spring clip is configured so that when the spring clip is compressed between two parallel glass panes, the large flat surface of the spring clip contacts both parallel glass panes flatly and completely. However, because such a spring clip contacts both surfaces, it may not be suitable for some applications. Summary of the Invention

[0009] SUMMARY OF THE INVENTION It is therefore an object of the present invention to overcome the above-mentioned drawbacks of conventional methods for supplying electrical energy to an electrical component disposed within a cavity.

[0010] According to a first embodiment of the present invention, there is provided an assembly suitable for placement between a first glazing sheet and a second glazing sheet of insulating glazing, the first glazing sheet comprising an electrical component on a first major surface oriented towards the second glazing sheet, the assembly comprising: a body including a first wall oriented toward the first glazing sheet and a second wall oriented toward the second glazing sheet; a contact receiving portion having an opening, the opening is adapted for a contact having a first contact and a second contact; the opening is oriented such that when the assembly is disposed between the first glazing sheet and the second glazing sheet, the first contact is in a suitable position for direct or indirect contact with the electrical component; the assembly comprises a resilient structure that is tensioned during manufacture of the insulating glazing, and after manufacture of the insulating glazing, the first contact is held firmly, directly or indirectly, against the electrical component; The first contact point is 1 cm 2 having a contact area of ​​less than An assembly suitable for placement between a first glazing sheet and a second glazing sheet of insulating glazing is provided.

[0011] The inventors have advantageously realized that such a body, when combined with a contact, can be used to provide a secure, solderless connection to an electrical component on a major surface of a first glazing sheet. When the assembly is not constructed with a resilient structure, the contact, which is held firmly to the electrical component without soldering, is held by the flexing of the glazing sheet. This can result in excessive stress on the glazing seal, damage to the electrical component, and even glass breakage. By incorporating a resilient structure into the assembly, a secure connection is achieved, significantly reducing the risk of glazing seal rupture, electrical component damage, and glass breakage.

[0012] Electrical components suitable for use in the assemblies of the present invention are not intended to be unduly limited. For example, suitable electrical components may include, but are not limited to, heating coatings, printed heating lines, blinds, photovoltaic elements, displays, variable light transmission elements, bus bars, and combinations thereof. Those skilled in the art will understand that such electrical components must be electrically isolated from the outer surface of the insulating glazing to prevent risk of damage or injury.

[0013] As defined herein, the first contact is held firmly against the electrical component when a force of 0.2 to 5 N is applied through the contact toward the electrical component at a vector angle of 10° to 180°, with 90° perpendicular to the contact portion of the electrical component. Preferably, a force of 0.5 to 1.8 N is applied through the contact. More preferably, a force of 0.75 to 1.4 N is applied through the contact. A lower force may result in a less secure electrical connection, while a higher force may cause damage to the electrical component and / or the glazing panel. Preferably, the vector angle is 30° to 150°. More preferably, the vector angle is 60° to 120°. Even more preferably, the vector angle is 80° to 100°. Even more preferably, the vector angle is 85° to 95°. Most preferably, the vector angle is 89° to 91°. The closer the vector angle is to 90°, the more secure the connection.

[0014] In some embodiments, the body comprises the resilient structure. The resilient structure may take the form of a flexible body feature that conforms to the body, such as a lever, arm, or other flexible feature that may be tensioned under load. However, it is advantageous for the reversibly compressible structure to be aligned with the first contact because the force applied by the tensioned resilient structure presses the first contact against the electrical component without misalignment, which could lead to poor or lost contact.

[0015] Preferably, the resilient structure comprises at least one spring or long-lasting resilient material. Springs and long-lasting resilient materials, such as rubber rods, are particularly durable and provide long-lasting, reversible compression. Preferably, the resilient structure does not include foam, as foam can deteriorate over time and thereby lose tension, reducing the force applied between the first contact and the electrical component and resulting in a deterioration of the electrical connection. As such, foam is not a long-lasting resilient material.

[0016] Those skilled in the art will appreciate that resilient structures may be incorporated into many parts of the body, but preferably the contact receiving parts and / or the terminals, if present, and / or the contacts, if present, are provided with reversibly compressible structures. These parts are most closely associated with the cavity and are therefore best suited to contact the electrical components of the first glazing sheet.

[0017] The opening is oriented so that the first contact directly or indirectly contacts the electrical component when the body is disposed between the first and second glazing panes. Those skilled in the art will appreciate that such direct or indirect contact allows electrical transmission between the first contact and the electrical component. Thus, when the assembly is within the insulating glazing unit, an electrical connection is formed between the first contact of the contact and the electrical component, thereby enabling electrical communication between the electrical component and a power and / or data source outside the insulating glazing without the need for solder between the contact and the electrical component, i.e., providing a solderless connection. Preferably, the first contact directly contacts and is held directly against the electrical component. Preferably, the opening is oriented substantially perpendicular to the major surface of the first glazing pane. Substantially perpendicular is defined herein as between 60 and 120 degrees relative to the glazing pane. An opening oriented substantially perpendicular to the major surface of the first glazing pane advantageously provides a more secure connection between the contact and the electrical component on the first glazing pane.

[0018] Preferably, the contacts do not contact the second glazing pane and / or do not electrically communicate with electrical components on the second glazing pane. This is particularly beneficial when the second glazing pane is coated with a coating, such as an infrared-reflective coating with a conductive layer. In such cases, if such coatings are not desirable for use as heating coatings, they should not become electrically charged. If they do become electrically charged, they could charge the spacer frame members of the insulating glazing or the surrounding area of ​​the insulating glazing, causing damage or danger to users. Furthermore, if the contacts contact both the second and first glazing panes or their associated electrical components, the contacts could form a thermal bridge between the glazing panes, reducing the energy efficiency of the glazing. In particular, thermal bridges could cause condensation on the inner pane, where the portion of the pane in contact with the thermal bridge contact is significantly cooler than the other portions of the pane.

[0019] Preferably, the aperture is oriented so that the opening of the aperture faces the first glazing pane. Such an arrangement may provide a linear contact that is smaller and less visible to the end user than alternative contacts such as spring clips.

[0020] Prior to placement between the first and second glazing panes, the assembly is provided with a contact. Thus, in some embodiments, the assembly further comprises a contact comprising a first contact and a second contact, the contact being at least partially within the opening.

[0021] Preferably, the contacts comprise a metal or alloy. Preferably, the contacts comprise gold, nickel, palladium-nickel, copper-zinc-tin, palladium-cobalt, copper, brass, or mixtures thereof. The contacts may comprise a conductive coating that improves electrical communication between the contacts and the electrical component.

[0022] In some embodiments, the contacts are at least partially inserted into the openings just before preparing the spacer frame for the insulating glazing or just before preparing the insulating glazing. Alternatively, the contacts can be pre-assembled with the body so that assemblies including the contacts can be mass-produced. For example, the contacts can be sealed into the openings during manufacturing of the body, such as 3D printing or molding.

[0023] The contact area of ​​the first contact is 1cm 2 Less than 0.5cm, more preferably 2 Less than 0.1 cm, more preferably 2 The smaller the contact area, the less risk there is of scratches on the glass surface. Additionally, the smaller the contact area, the more redundancy there is in the system. Additionally, the smaller the contact area, the more light transmits through the glazing compared to larger contact areas. Additionally, the smaller the contact area, the less risk there is of thermal bridging. Additionally, larger contact areas exacerbate the effects of contraction and expansion of the contacts, which can lead to unreliable electrical connections between the contacts and the electrical components.

[0024] Preferably, the first contact is a point-type contact, preferably a spherical or hemispherical contact. The use of point-type contacts, particularly spherical or hemispherical contacts, can significantly reduce the risk of scratches. Furthermore, point-type contacts can maintain a consistent contact area even when the glazing plate moves. Captured spherical contacts are particularly preferred because they significantly reduce the risk of rolling and scratches.

[0025] In some embodiments, the contacts may include a resilient structure, but the resilient structure is preferably not a substantially conductive resilient structure. In particular, the contacts are preferably not part of the resilient structure. This is because resilient structures are generally formed from materials suitable for providing long-lasting resilient operation, but such materials are often unsuitable for electrical transmission, for example, due to high resistivity. For example, steel springs are excellent resilient structures and may be used in the present invention, but are preferably not used as conductors or to provide contacts because their high resistance reduces the efficiency of electrical transmission and can increase temperatures within the assembly. This is undesirable because localized high temperatures can melt some of the material in the assembly, such as when parts of the assembly are composed of plastic or resin. Conversely, brass or copper springs may be excellent conductors, but due to their softness, they do not provide long-term resilient operation.

[0026] Preferably, the elastic structure applies a spring force of 25g to 500g, more preferably, the elastic structure applies a spring force of 50g to 250g, even more preferably, the elastic structure applies a spring force of 80g to 150g, and even more preferably, the elastic structure applies a spring force of 90g to 120g.

[0027] The inventors have discovered that this spring force allows for a secure yet mechanically flexible electrical connection. Spring forces above this range may result in a resilient structure that does not compress sufficiently, which may cause damage to the bus bar or corner key body, or even the glass pane. Spring forces below this range may result in a resilient structure with insufficient rebound force, which may not establish a secure electrical connection.

[0028] Preferably, the contact comprises a spring barrel contact, which may also be known as a "pogo pin." Such contacts typically comprise a barrel with an opening and a pin that is partially captured within the barrel and moves independently of the barrel, extending from the opening to various degrees. The barrel is constructed with a spring or elastic material to reversibly compress the pin into the barrel, preferably a stainless steel spring. In some cases, spring barrel contacts are constructed with a cylindrical barrel and / or the barrel may include a positioning feature such as a flange. Such spring barrel contacts are advantageous in that they can be easily combined with different glazing cavity widths, allow for rapid manufacturing of the assembly and associated glazing, and provide a long-lasting, flexible electrical connection.

[0029] Spring barrel contacts may be provided as a single contact, may be associated with other contacts by using a barrel with multiple pins, or by providing a receiver for multiple contacts as described below. Spring barrel contacts may have a linear barrel where the first contact is aligned with the second contact, or may include an angle in the barrel where the first contact is angled relative to the second contact.

[0030] The spring barrel contact pins can be made of brass, beryllium copper, phosphor bronze, or SK4 steel. The spring barrel contact pins are preferably gold-plated, as gold provides excellent electrical conductivity and high protection against corrosion and oxidation. To improve the durability of the gold plating, the spring barrel contact pins are preferably plated with nickel to a thickness of 1-2 μm, followed by gold to a thickness of 0.1-1 μm. Alternatively, depending on the specific requirements of the application, the pins can be plated with nickel, palladium-nickel, red brass, palladium-cobalt, or other metals and metal alloys. The pins include contacts, preferably point-type contacts, preferably spherical or hemispherical. Point-type contacts, especially spherical or hemispherical contacts, significantly reduce the risk of scratches. Captive spherical contacts are particularly preferred because they can roll, significantly reducing the risk of scratches.

[0031] The barrel may comprise brass, preferably the brass is coated with beryllium copper or phosphor bronze.

[0032] The barrel of a spring barrel contact may be formed as a blind hole with a single pin that can move independently of the barrel. Alternatively, the spring barrel contact may have a pin at each end of the barrel that can move independently of the barrel. This is known as a "double-ended spring barrel contact." A double-ended spring barrel contact may be provided, for example, by using a barrel with a through hole and a single spring or elastic member that allows the two pins to interact with each other. Double-ended spring barrel contacts are advantageous because they can establish a flexible yet secure electrical connection between the electrical component on the first glazing plate and the contact, and between the contact and the terminal and / or electrical transmission device, if present. Therefore, the assembly preferably includes a contact with a first contact and a second contact, the contact at least partially within the opening, and the contact comprises a double-ended spring barrel contact.

[0033] Double-ended spring barrel contacts enable a durable, high-transmission, yet mechanically flexible electrical connection between two dissimilar electrical conductors, while also providing a streamlined manufacturing process for insulating glazing because the assembly can be prefabricated and added to the glazing during production without the need for costly soldering operations. Because such contacts can "float" within the opening, they can easily accommodate flexing or movement of the glazing sheet.

[0034] Preferably, the spring barrel contacts or double-ended spring barrel contacts exert a spring force of 25g to 500g. More preferably, the spring barrel contacts or double-ended spring barrel contacts exert a spring force of 50g to 250g. Even more preferably, the spring barrel contacts or double-ended spring barrel contacts exert a spring force of 80g to 150g. Even more preferably, the spring barrel contacts or double-ended spring barrel contacts exert a spring force of 90g to 120g.

[0035] The inventors have discovered that this spring force allows for a secure yet mechanically flexible electrical connection. Spring forces above this range may result in insufficient compression of the pins, which may result in damage to the busbar or corner key body, or even the glass pane. Spring forces below this range may result in insufficient pin repulsion, which may result in an insecure electrical connection.

[0036] In some implementations, particularly when the electrical component is a busbar for a heating coating or printed heating line, spring barrel contacts, or double-ended spring barrel contacts, suitable for carrying 5 amps or more, preferably 10 amps or more, are preferred.

[0037] It is beneficial to provide a terminal to provide a reliable electrical connection with the second contact, and therefore the assembly preferably further comprises a terminal associated with the opening such that the terminal is in electrical communication with the second contact when the assembly comprises the contact.

[0038] Preferably, the assembly includes a terminal associated with the opening, such that when the contact is inserted into the opening, the second contact of the contact can be in electrical communication with the terminal. The terminal can include a conductive material and provide electrical communication between the contact and an electrical transmission device, if present. Preferably, the terminal can include copper and / or brass. In some embodiments, the terminal can be plated, for example with gold or other conductive material, to improve electrical transmission.

[0039] Preferably, the terminal comprises a first portion for contacting the contact and a second portion for contacting the electrical transmission device. The first portion preferably comprises a plate. In some embodiments, the first and second portions are angled relative to one another, and in particularly preferred embodiments, the terminal is formed in an "L" shape, with the first and second portions at substantially right angles to one another. This provides a first portion oriented to contact the contact oriented in the first glazing pane and a second portion oriented to contact the electrical transmission device exiting the insulating glazing unit between the glazing panes. The terminal can be inserted into the body during preparation of the insulating glazing. Alternatively, the terminal can be formed in the body during its manufacture, for example, by injection molding the body around the terminal or 3D printing the body around the terminal.

[0040] As explained above, the terminals may comprise a resilient structure, so in some embodiments the terminals comprise at least one spring or resilient material.

[0041] In some embodiments, the terminals include springs or resilient materials and are oriented to act on the contacts. The springs and resilient materials described herein in connection with the contacts may be used.

[0042] (contact receiving part) The assembly includes a contact receiving portion. Preferably, the contact receiving portion is formed as part of the body, for example, as an integral part of the body or as a part bonded to the body. Preferably, the contact receiving portion is formed of the same material as the body. In either case, the assembly includes the body and the contact receiving portion connected such that the contact receiving portion cannot be removed from the body after manufacturing of the insulating glazing unit without damaging the assembly. While contact receiving portions within the spacer frame components are contemplated, it is beneficial for the contact receiving portion to contact an electrical component inside the spacer frame, so that the electrical component does not need to contact the spacer frame and risk charging the external surface. For example, if the electrical component includes a heating coating, it is beneficial to remove the edge of the heating coating and position the contact receiving portion sufficiently inward from the glazing edge so that the first contact can contact the heating coating or a busbar associated with the heating coating.

[0043] The contact receiving portion includes an opening. The opening may be formed as a blind hole in the contact receiving portion, with a first open end open to form the opening outlet and a second open end closed. In this case, the terminal is advantageously associated with the closed second open end within the opening.

[0044] Alternatively, the openings may be formed as through-holes in the contact receiving portion, such that the first opening end is open to form a first opening outlet and the second opening end is open. In this case, it is advantageous for the terminals to be associated with the open second opening end and form the end walls of the opening. In this embodiment, a non-conductive member is preferably provided between the terminals and the second glazing plate to prevent charging of the second glazing plate. In either case, it is preferable for the contact receiving portion to prevent the contacts and / or terminals from directly contacting or charging the second glazing plate or electrical components on the second glazing plate.

[0045] Whatever the shape of the contacts, the openings in the contact receiving portion are preferably shaped to allow the contacts to be inserted without excessive force, which could result in damage, and without excessive clearance that could cause the contacts to slip out of the desired path or dislodge from the opening during use, rendering the device non-functional. If the contacts include flanges or locating features, the openings in the contact receiving portion may be formed to cooperate with such flanges or locating features to further improve retention and alignment of the contacts.

[0046] In some embodiments, the assembly may include additional openings suitable for contacting additional first contacts, the additional openings being oriented so that the additional first contacts directly or indirectly contact one or more electrical components when the body is disposed between the first and second glazing sheets. For example, the assembly may include multiple contact receiving portions or multiple openings within the contact receiving portions. Assemblies with additional openings may enable improved power transmission, redundancy, positive and negative power polarity, data and power communication, and / or data and power communication to multiple electrical components.

[0047] Thus, the contact receiving portion may include multiple openings suitable for the insertion of contacts, for example, the contact receiving portion may include two, three, four, or more openings for accommodating two, three, four, or more contacts, respectively, and such additional openings may be formed in the same manner as the opening or differently.

[0048] The contact receiving portion may be formed as a single portion. Alternatively, the contact receiving portion may be formed as multiple portions. In some embodiments, a first contact receiving portion is inserted into or formed in the body, and the contact is bonded, friction-fitted, formed within, or associated with the second contact receiving portion. During manufacture of the insulating glazing unit, the second contact receiving portion, along with the contact, is inserted into the body in alignment with the first contact receiving portion. This improves manufacturing efficiency, particularly in the case of multiple contacts, because the contacts may be retained within the second contact receiving portion and inserted as a single unit, preventing manual mishandling.

[0049] (Electrical Transmission Equipment) In some embodiments, the assembly further comprises an electrical transmission device suitable for electrical communication with an external power and / or data source outside the insulating glazing.

[0050] The electrical transmission device in use provides electrical connection between an external power and / or data source and electrical components within the insulating glazing unit via terminals (if present) and contacts.

[0051] The electrical transmission device may include, for example, a wire soldered to a terminal and exiting between the first and second glazing sheets to provide an electrical connection, but such a wire has drawbacks, such as increased susceptibility to snagging damage.

[0052] Preferably, the electrical transmission device extends outwardly from the body by less than 1 cm. More preferably, the electrical transmission device extends outwardly from the body by less than 0.5 cm. Even more preferably, the electrical transmission device does not extend outwardly from the body. As used herein, the phrase "extending outwardly" is interpreted to mean "extending away from the outwardly facing surface of the insulating glazing unit", with measurements taken with the electrical transmission device at its maximum extension perpendicular to that surface, and with measurements taken from the edge of the electrical transmission device to the surface, or from a plane in line with the surface if the electrical transmission device is not touching the surface itself.

[0053] The electrical transmission device may include a connection element that can be connected to an external connector for supplying external power and / or data. By using the connection element, electrical connections can be made efficiently at the time of installation of the insulating glazing unit into the glazing opening, eliminating the use of wiring exiting the glazing. By using an electrical transmission device with a connection element, it is possible to reversibly couple an external electrical connector without disturbing the airtight seal. This allows for the production of high-quality insulating glazing without the need to refill the insulating glazing with gas after on-site electrical connection.

[0054] The connecting element may be, for example, a pin, a male plug, a female plug, a screw, or a flat plate. The connecting element preferably comprises a blind hole, preferably the blind hole is suitable for the pin, the male plug, or the screw. Such a connecting means provides an airtight electrical transmission device between the terminal and a power and / or data source outside the glazing. The airtightness of the electrical transmission device may be enhanced by using a sealant, preferably a butyl sealant, provided that the sealant is not applied in such a way as to prevent the electrical connection.

[0055] The electrical transmission device preferably comprises means for assisting in locating the external electrical connector in cooperation with associated means provided in or on the electrical connector, such locating means preferably comprising a magnet adapted to interface with a magnet in or on the electrical connector.

[0056] The electrical transmission device preferably includes locking means for preventing unintentional disconnection of the electrical connector, such locking means preferably comprising bias hooks, threaded fasteners and / or magnets associated to cooperate with associated means contained within or on the electrical connector.

[0057] In some embodiments, the connection element includes a conductive insert that electrically communicates with the terminal in a safe, solder-free manner. Preferably, the conductive insert is in direct electrical communication with the terminal, and preferably, the conductive insert holds the terminal in place within the body. However, if desired, wires or other conductors may also be used within the assembly to provide electrical connection between the terminal and the conductive insert. Preferably, the conductive insert includes a blind hole, as disclosed above with respect to the connection element.

[0058] In some embodiments, the conductive insert may be captured within the body during the body's formation process, such as during injection molding or 3D printing.

[0059] Alternatively, the conductive insert may be inserted into the body after it is formed. In such an embodiment, the body may include a through hole for inserting the conductive insert. In an alternative embodiment, the body may include a blind hole to guide insertion of the conductive insert, with a portion of the body being drilled during insertion of the conductive insert. This provides a more gas-tight electrical connection.

[0060] If the conductive insert is inserted into the body after the body is formed, some retention means is preferably provided. In some embodiments, the conductive insert may be retained by friction and / or adhesive and / or external threads. A conductive insert retained in the body by external threads may be referred to as a conductive threaded insert. Preferably, the electrical transmission device comprises a conductive threaded insert. Such a threaded conductive insert may include a knurled portion or a driver head opening to facilitate insertion. If a hole interlocking with the threaded conductive insert is formed in the body, such a hole may be provided with threads. Alternatively, the threaded conductive insert may cut a thread into the body during insertion.

[0061] Threaded conductive inserts with blind holes are particularly beneficial as they provide a secure and durable electrical connection and also maintain the insulating glazing cavity atmosphere.

[0062] The electrical transmission device is preferably a threaded conductive insert in direct electrical connection with the terminal and having a blind hole suitable for an external connector, which is preferably a threaded connector.

[0063] Those skilled in the art should note that such conductive inserts, particularly threaded inserts, can be applied to conventional spacer frame members with alternative electrical connection means, which is not limited to the invention of the present disclosure and can be applied more widely. Thus, there is provided a threaded conductive insert suitable for a spacer frame member with a blind hole suitable for a connector, preferably the connector is a threaded connector, a spacer frame member equipped with such a threaded conductive insert, and an insulated glazing unit equipped with a spacer frame member equipped with such a conductive insert.

[0064] (body) The assembly includes a body having a first wall and a second wall, the first wall being arranged to be oriented toward the first glazing sheet in use, and the second wall being arranged to be oriented toward the second glazing sheet in use, and the first wall and / or the second wall of the body may be provided with a metal foil to improve the airtightness of the insulating glazing unit.

[0065] Generally, it is desirable that the assembly of the insulating glazing unit not unduly obstruct light passing through the insulating glazing unit and the occupant's view. As such, in some embodiments, the assembly is adapted to cooperate with spacer frame components so that it is retained in the peripheral region of the insulating glazing unit and does not move to the central region and unduly obstruct the passage of light through the insulating glazing unit.

[0066] Preferably, the body is an insulated glazing unit spacer frame component, such as a spacer frame profile or connector. Spacer frame profiles are typically linear, hollow pieces that often contain desiccant. Spacer frame connectors typically have a pair of arms that interface with and connect the spacer frame profiles. Spacer frame connectors with two aligned arms are called linear connectors, while spacer frame connectors with two diagonal arms are called corner connectors, also known as corner keys. A typical insulated glazing unit has four spacer frame corner connectors, one for each corner of the rectangular insulated glazing unit.

[0067] The body can be a spacer frame profile or a linear connector, although it is preferred that the body be a spacer frame corner connector, as this allows for electrical connections at the corners of the insulating glazing unit and reduces the visibility of the assembly to the end user of the insulating glazing unit.

[0068] The design of the connecting arm should be such that it provides a secure connection between the spacer frame connector and the associated spacer frame while allowing for a moderate push-in force and a high pull-out force. Too much push-in force can result in an incomplete or unstable connection. Furthermore, too much push-in force can result in an angular force applied during manufacturing, potentially damaging the connector or profile. Too little pull-out force can result in an unstable connection. Additionally, it is desirable to provide an airtight connection between the connector and profile to prevent gas leakage from the insulating glazing unit or desiccant leakage from the spacer frame profile.

[0069] When combined with a spacer frame member, the body forms part of the periphery of the spacer frame and may interfere with other spacer frame members. However, in some embodiments, the body may be more gas permeable than the other spacer frame members, allowing atmospheric air to enter the cavity, resulting in condensation and reduced thermal insulation properties. Therefore, it is desirable to minimize the interruption of the spacer frame by the body. Therefore, the body preferably has an interruption length, defined as the length of the body running between two spacer frame members adjacent to the body during use, of less than 10 cm, preferably less than 5 cm, and more preferably less than 2 cm. If the assembly has a linear body, the interruption length is a linear interruption length measured on a line passing through the centers of the adjacent spacer frame members. If the body of the assembly is not linear, such as when the assembly includes corner keys, the interruption length is measured through an inflection point along the centers of both adjacent space frame members.

[0070] Preferably, the body comprises one of polyethylene (PE), polycarbonate (PC), polystyrene, polybutadiene, polynitrile, polyester, polyurethane, polymethyl methacrylate, polyacrylate, polyamide, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polypropylene (PP), acrylonitrile butadiene styrene (ABS), acrylate styrene acrylonitrile (ASA), acrylonitrile butadiene styrene polycarbonate (ABS / PC), styrene acrylonitrile (SAN), polyethylene terephthalate polycarbonate (PET / PC), polybutylene terephthalate polycarbonate (PBT / PC), or copolymers, derivatives, or mixtures thereof.

[0071] When the body is a printed body, preferably the printed body comprises polyamide 12 (PA12), polyamide 11 (PA11), polyamide 2200 (PA2200), polypropylene, acrylonitrile butadiene styrene (ABS), acrylic ester styrene acrylonitrile (ASA), polycarbonate, or copolymers, derivatives, or mixtures thereof.

[0072] Preferably, the body comprises a lacquer or coating. Lacquers and coatings can be provided to modify the color, texture, UV resistance, and sealant compatibility of the body.

[0073] For example, a lacquer or coating may be applied to the body to improve its UV resistance. In embodiments, the entire body is lacquered or coated. Alternatively, the lacquer or coating may be applied only to surfaces that will be exposed to UV rays after assembly of the insulating glazing unit.

[0074] In a preferred embodiment of the first aspect of the invention there is provided an assembly suitable for placement between a first glazing pane and a second glazing pane of insulating glazing, the first glazing pane comprising an electrical component on a first major surface oriented towards the second glazing pane, the assembly comprising: a spacer frame corner connector comprising a first wall oriented toward the first glazing sheet and a second wall oriented toward the second glazing sheet; a contact receiving portion having an opening; a spring barrel contact, preferably a double-ended spring barrel contact, comprising a first contact and a second contact, the spring barrel contact being at least partially in the opening; a terminal associated with the aperture, the terminal in electrical communication with the second contact; an electrical transmission device suitable for electrical communication between the terminals and an external power and / or data source outside the insulating glazing; the opening is oriented such that the first contact directly or indirectly contacts the electrical component when the body is disposed between the first glazing sheet and the second glazing sheet; The spring barrel contact is tensioned during the manufacture of the insulating glazing, and after the manufacture of the insulating glazing, the first contact is held firmly against the electrical component. Provide an assembly.

[0075] Such preferred embodiments provide long-lasting, durable, and secure connections to electrical components.

[0076] According to a second embodiment of the present invention, there is provided a method of manufacturing an assembly wherein the body and / or contact receiving portion are injection molded, extruded or 3D printed, preferably the contact receiving portion is an integral part of the body and the body and contact receiving portion are injection molded or 3D printed, most preferably the contact receiving portion is an integral part of the body and the body and contact receiving portion are 3D printed.

[0077] In some embodiments, the body is injection molded, particularly when the body is a spacer frame connector. Injection molded bodies can be manufactured in a cost-effective manner.

[0078] Alternatively, the body can be 3D printed. 3D printed bodies offer a wide range of surface textures and materials. 3D printed bodies can be produced using methods such as multi-jet fusion (MJF), selective laser sintering (SLS), stereolithography (SLA), polyjet, fused deposition modeling (FDM), and selective laser melting (SLM).

[0079] If the body is 3D printed, mechanical and thermal post-processing operations may be applied to the body, such as vibratory grinding, blasting, milling, turning, photo-treating, heat-treating, chemical smoothing, etc.

[0080] The contact receiving portion may be manufactured separately from the body and then coupled to the body to form an assembly, in which case the contact receiving portion may be manufactured by, for example, 3D printing, extrusion, molding, additive manufacturing, computer numerical control (CNC), subtractive manufacturing such as turning, or other suitable methods.

[0081] Optional features disclosed herein in relation to the first aspect of the invention may be applied to the second aspect of the invention in any combination.

[0082] As mentioned in the first aspect of the present invention, the inventors have provided an assembly suitable for use in an insulating glazing unit. Therefore, according to a third aspect of the present invention, there is provided an insulating glazing comprising a first glazing sheet, a second glazing sheet, and an assembly between the first glazing sheet and the second glazing sheet, wherein the first glazing sheet comprises an electrical component on a first major surface oriented towards the second glazing sheet, the assembly comprising: a body including a first wall oriented toward the first glazing sheet and a second wall oriented toward the second glazing sheet; a contact receiving portion having an opening; a contact including a first contact and a second contact, the contact at least partially within the opening; a terminal associated with the opening such that the terminal is in electrical communication with the second contact; an electrical transmission device suitable for electrical communication between the terminals and the external connector for power and / or data supply from a source outside the insulating glazing; the opening is positioned so that the first contact directly or indirectly contacts the electrical component; The assembly comprises a resilient structure that is tensioned during the manufacture of the insulating glazing, so that the first contact is held firmly against the electrical component directly or indirectly, and the first contact is 1 cm 2 having a contact area of ​​less than Provide insulating glazing.

[0083] An insulating glazing unit comprising such an assembly is therefore provided with a safe, solder-free electrical connection to the electrical elements.

[0084] The insulating glazing unit is preferably airtight according to EN 1279-3.

[0085] As known to those skilled in the art, insulating glazing comprises a cavity between the first and second glazing sheets, preferably containing an insulating gas, preferably nitrogen or argon.

[0086] An insulating glazing unit may include additional glazing panes. For example, an insulating glazing unit with one additional glazing pane for a total of three glazing panes may be called a "triple" insulating glazing unit or "triple IGU." The additional glazing pane may be located between the first and second glazing panes or on either side.

[0087] The first, second, and any additional glazing panes may independently comprise single glazing sheets or laminated glazing sheets. Preferred glazing panes include a single soda-lime-silica glass sheet, a single polycarbonate sheet, and laminated glass comprising two or more glass sheets with an adhesive interlayer therebetween, preferably a polyvinyl butyral adhesive interlayer.

[0088] The first, second, and any additional glazing panes may independently be provided with functional coatings. Preferred functional coatings include, for example, low-emissivity, self-cleaning, infrared-reflective, and solar control coatings.

[0089] The optional features of the first aspect of the invention may be applied to the third aspect of the invention in any combination. In particular, in some embodiments the contact comprises a spring barrel connector, more preferably the contact comprises a double ended spring barrel connector; and / or in some embodiments the terminal comprises at least one spring or resilient material; and / or in some embodiments the electrical transmission device comprises a threaded insert, preferably a threaded insert having a blind hole.

[0090] The insulating glazing units disclosed herein incorporate various electrical components, preferably comprising bus bars, more preferably bus bars for thermal coatings or printed heating lines. When the electrical components include bus bars for thermal coatings or printed heating lines, preferably the assembly is suitable for transmitting at least 2.5 amps of 230 volts AC, more preferably the assembly is suitable for transmitting at least 5 amps of 230 volts AC, and even more preferably the assembly is suitable for transmitting at least 10 amps of 230 volts AC. The assembly may be adapted to provide such transmission, for example, by using multiple contacts, for example, four contacts.

[0091] According to a fourth aspect of the present invention, there is provided a method for manufacturing a semiconductor device comprising: (i) providing an assembly according to the first aspect of the present invention and one or more spacer frame members; (ii) connecting the assembly and one or more spacer frame members together to form a spacer frame; (iii) providing a first sheet of glazing material and a second sheet of glazing material having an electrical component on a first major surface thereof; (iv) placing a second sheet of glazing material opposite the first sheet of glazing material via a spacer frame to provide a cavity therebetween; (v) applying a sealant between the first and second glazing sheets around the periphery of the spacer frame; A method of manufacturing an insulating glazing unit according to a third aspect is provided, comprising:

[0092] Preferably, the electrical transmission device is reversibly concealed, masked or covered prior to the step of applying the sealant so that it can be exposed after the step of sealing the cavity with the seal.

[0093] As disclosed herein, when a parameter is expressed as from a first value to a second value, the range includes both the first and second values. Similarly, when a parameter is expressed as between a first and second value, the range includes both the first and second values.

[0094] The present invention will now be described with reference to the drawings. [Brief explanation of the drawings]

[0095] [Figure 1] FIG. 1 shows a first assembly suitable for placement between a first glazing pane and a second glazing pane. [Figure 2] FIG. 2 shows the first assembly as viewed along arrow A. [Figure 3] FIG. 2 shows a perspective view of a second assembly suitable for placement between the first and second glazing panes. [Figure 4] FIG. 4 shows a side view of the second assembly of FIG. 3. DETAILED DESCRIPTION OF THE INVENTION

[0096] 1 shows a first assembly 1 suitable for placement between a first glazing sheet 21 and a second glazing sheet 22 of an insulating glazing 3. In this figure, the glazing sheets are shown in dashed lines. The first glazing sheet 21 comprises an electrical component 4 on a first major surface 211 that is oriented toward the second glazing sheet 22. In this figure, the electrical component 4 is shown in dashed lines.

[0097] The assembly 1 comprises a body 5 comprising a first wall 51 oriented towards the first glazing sheet 21 and a second wall 52 oriented towards the second glazing sheet 22. In this embodiment, the assembly 1 further comprises a contact receiving part 6 with an opening 7, suitable for a contact 8 with a first contact 81 and a second contact 82.

[0098] The opening 7 is oriented so that the first contact 81 directly or indirectly contacts the electrical component 4 when the assembly 1 is placed between the first glazing sheet 21 and the second glazing sheet 22 .

[0099] The assembly comprises a resilient structure that is tensioned during the manufacture of the insulating glazing 3, such that after manufacture of the insulating glazing 3 the first contact 81 is held firmly against the electrical component 4. In the embodiment shown in Figure 1 the contact 8 comprises a resilient structure, in this case a spring.

[0100] In the embodiment shown in FIG. 1, the assembly further comprises a terminal 9, which is associated with the opening 7 and is in electrical communication with the second contact 82.

[0101] In the embodiment shown in Figure 1, the assembly further comprises an electrical transmission device suitable for electrical communication with an external power and / or data source outside the insulating glazing. In the embodiment of Figure 1, the electrical transmission device comprises a connection element 11 and a wire 12.

[0102] Also shown in Figure 1 is that the body 5 of this embodiment is suitable for forming part of an insulating glazing perimeter spacer frame.

[0103] The contact 8 shown in Figure 1 is a floating contact comprising a bent wire or spring with a contact portion at each end. Such a contact may be provided using a double ended spring barrel contact.

[0104] Arrow A in FIG. 1 indicates the direction of the embodiment in FIG.

[0105] FIG. 2 illustrates the first embodiment of the present invention shown in FIG. 1, taken along arrow A in FIG. 1. The same reference numerals as in FIG. 1 are used in FIG. 2, and the contacts and glazing sheet have been omitted for clarity. From FIG. 2, it can be seen that in this embodiment, the contact receiving portion 6 is cylindrical with a cylindrical opening 7. However, the shape of the contact receiving portion 6 is not particularly limited, except that it should have an opening 7 suitable for inserting the contact. It is preferable that the opening 7 be shaped to match the shape of the contact and prevent the contact from deviating significantly from the central axis of the opening 7. Such deviation can significantly degrade connection quality. Therefore, if the contact has a circular cross-section, it is preferable that the opening 7 also have a circular cross-section. In this embodiment, the body 5 is formed as a spacer frame linear connector with connecting arms 13 suitable for coupling with a spacer frame profile. Those skilled in the art will recognize that the body can be formed with angled sections and arms to provide a similar spacer frame corner connector.

[0106] 3 and 4 show a second assembly 100 suitable for placement between a first and second glazing pane of insulating glazing. Assembly 100 includes a body 105 and a contact receiving portion 106 with an opening 107 suitable for receiving a contact. As with FIG. 2, the shape of contact receiving portion 106 is not particularly limited, other than that it should include opening 107 suitable for insertion of contact 108. Opening 107 is oriented so that a first contact of the contact directly or indirectly contacts an electrical component when assembly 100 is placed between the first and second glazing panes.

[0107] The assembly of Figure 3 comprises a resilient structure that is tensioned during manufacture of the insulating glazing, and after manufacture of the insulating glazing, the first contact is held firmly against the electrical component by contact 108, which comprises a double-ended spring barrel contact (pogo pin).

[0108] In the embodiment shown in Figures 3 and 4, the body 105 is formed as a corner connector of the spacer frame and comprises connecting arms 113 suitable for cooperating with the spacer frame profile to form part of the peripheral spacer frame of the insulating glazing, in this case the corner keys. The connecting arms 113 have serrations on their edges to improve their fit and cooperability (especially their holding power) with the spacer frame.

[0109] The present invention will be described with reference to an exemplary assembly and an exemplary insulating glazing comprising the exemplary assembly.

[0110] The corner key body was 3D printed, and the terminals and contacts were inserted to form an assembly. In this case, the terminals were L-shaped terminals with bent brass plates, the contacts were double-ended spring barrel contacts ("pogo pins" available from N&H Technology GmbH), and the electrical transmission device had a threaded insert with a blind screw hole. This assembly was coupled with a spacer bar, two conventional corner keys, and another corner key assembly according to the present invention to form a spacer frame. The spacer frame was then placed between two glazing plates. The glazing plates were made of glass, and one glazing plate was provided with a conductive coating (fluorine-doped tin oxide) and a pair of bus bars. The corner key assembly was designed so that the contacts were aligned with the bus bars when the spacer frame was between the glass plates. The double-ended spring barrel contacts were tensioned by the weight of the glass plates, firmly pressing the contacts against both the terminals and the bus bars. The threaded insert is blanked with a removable blanking screw, the insulating glazing is sealed, and the cavity is filled with argon. The removable blanking screw can be removed to provide an insulating glazing unit with easily accessible connections. The insulating glazing thus provided has been tested and shown to comply with EN 1279-3. The safety of the contacts has been tested by applying force to the glass panes. [Explanation of symbols]

[0111] 1 Assembly 3. Insulating glazing 4. Electrical Components 5 Body 6 Contact receiving part 7 aperture 8 Contacts 9 terminals 11 Connecting Elements 12 wire 13 Connecting arm 21 Glazing board 22 Glazing board 51 Wall 52 Wall 81 contact points 82 contact points 100 Assembly 105 Body 106 Contact receiving part 107 Aperture 108 Contactor 113 Connecting Arm 211 Main surface

Claims

1. An assembly suitable for placement between a first glazing plate and a second glazing plate of thermal insulation glazing, wherein the first glazing plate comprises electrical components on a first main surface oriented toward the second glazing plate, and the assembly is A body comprising a first wall oriented toward the first glazing plate and a second wall oriented toward the second glazing plate, It comprises a contact receiver with an opening, The opening is suitable for a contactor having a first contact and a second contact. The opening is oriented such that, when the assembly is positioned between the first glazing plate and the second glazing plate, the first contact is positioned to be suitable for direct or indirect contact with an electrical component. The assembly has an elastic structure that can be subjected to tension during the manufacture of the thermal insulation glazing, and after the manufacture of the thermal insulation glazing, the first contact is firmly held directly or indirectly to the electrical component. The first contact point is 1 cm ２ Having a contact area of ​​less than, An assembly suitable for placement between a first glazing plate and a second glazing plate in an insulating glazing system.

2. The assembly according to claim 1, further comprising a contact having a first contact and a second contact, wherein the contact is at least partially located within an opening, preferably comprising a spring barrel contact, and more preferably comprising spring barrel contacts at both ends.

3. The assembly according to claim 2, wherein the spring barrel contact is subjected to a spring force of 25g to 500g, more preferably to 50g to 250g, and even more preferably to 80g to 150g.

4. The assembly according to any one of claims 1 to 3, wherein, when the assembly comprises the contactor, it further comprises a terminal associated with the opening such that the terminal electrically communicates with the second contact, and preferably the terminal comprises at least one spring or elastic material.

5. The assembly according to any one of claims 1 to 3, further comprising an electrical transmission device suitable for telecommunication with an external power supply and / or data source located outside the thermal insulation glazing, preferably the electrical transmission device not extending outside the body.

6. The assembly according to claim 5, wherein the electrical transmission device comprises a conductive insert, preferably the conductive insert comprises a threaded conductive insert and / or a blind-hole conductive insert, and more preferably the conductive insert comprises a blind-hole threaded conductive insert.

7. The assembly according to any one of claims 1 to 3, wherein the body is a spacer frame component, preferably a spacer frame connector, and more preferably a spacer frame corner connector.

8. The assembly according to claim 7, wherein the body has an interrupted length of less than 10 cm, preferably less than 5 cm, and more preferably less than 2 cm.

9. The assembly according to any one of claims 1 to 3, wherein the body comprises polyethylene (PE), polycarbonate (PC), polystyrene, polybutadiene, polynitrile, polyester, polyurethane, polymethyl methacrylate, polyacrylate, polyamide, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polypropylene (PP), acrylonitrile butadiene styrene (ABS), acrylic acid ester styrene acrylonitrile (ASA), acrylonitrile butadiene styrene polycarbonate (ABS / PC), styrene acrylonitrile (SAN), polyethylene terephthalate polycarbonate (PET / PC), polybutylene terephthalate polycarbonate (PBT / PC), or copolymers, derivatives, or mixtures thereof.

10. A method for manufacturing the assembly according to any one of claims 1 to 3, wherein the body and / or the contact receiver portion is injection molded, extruded, or 3D printed, preferably the contact receiver portion is an integral part of the body, and the body and the contact receiver portion are injection molded or 3D printed, most preferably the contact receiver portion is an integral part of the body, and the body and the contact receiver portion are 3D printed.

11. A thermal glazing comprising a first glazing plate, a second glazing plate, and an assembly between the first glazing plate and the second glazing plate, wherein the first glazing plate has electrical components on a first main surface oriented toward the second glazing plate, and the assembly is A body comprising a first wall oriented toward the first glazing plate and a second wall oriented toward the second glazing plate, A contact receiver with an opening, A contactor comprising a first contact and a second contact, wherein the contactor is at least partially located within the opening, The terminal is associated with the opening so that the terminal communicates electrically with the second contact. The device comprises an electrical transmission device suitable for telecommunications between the terminal and an external power supply and / or data source located outside the thermal insulation glazing, The opening is positioned such that the first contact directly or indirectly contacts an electrical component. The assembly has an elastic structure that is subjected to tension during the manufacture of the thermal glazing, and as a result, the first contact is firmly held directly or indirectly to the electrical component. The first contact point is 1 cm ２ Having a contact area of ​​less than, Insulating glazing.

12. The thermal insulation glazing according to claim 11, wherein the contactor comprises a spring barrel connector, and more preferably, the contactor comprises spring barrel connectors at both ends.

13. The thermal insulation glazing according to claim 11 or 12, wherein the terminal comprises at least one spring or elastic material, and / or the electrical transmission device comprises a threaded conductive insert, preferably a threaded conductive insert having a blind hole.

14. The thermal glazing according to claim 11 or 12, wherein the electrical components include busbars, preferably busbars for heat coating.

15. (i) The steps of preparing an assembly according to a first aspect of the present invention and one or more spacer frame members, (ii) The step of connecting the assembly and one or more spacer frame members together to form a spacer frame, (iii) The steps of preparing a first glazing material sheet and a second glazing material sheet, each having electrical components on a first main surface, (iv) The step of arranging a second glazing material sheet so as to face the first glazing material sheet via the spacer frame, and providing a cavity between them, (v) The step of applying sealant between the first glazing plate and the second glazing plate around the spacer frame, A method for producing the thermal glazing according to claim 11 or 12, including the method described in claim 11 or 12.

16. The method of claim 15, wherein the electrical transmission device is reversibly concealed, masked, or covered so that it can be exposed before the step of applying the sealant and after the step of sealing the cavity with a seal.

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