Novel waterproof thermal insulation formwork system for concrete construction in extremely cold area

Abstract

The utility model relates to a novel waterproof heat preservation formwork system for concrete construction in extremely cold areas. In order to overcome the defects in the prior art, the novel waterproof heat preservation formwork system for concrete construction in the extremely cold area comprises a plurality of heat preservation formworks and a power supply circuit, each heat preservation formwork is provided with a wiring tee joint, and each wiring tee joint is connected with two thick cables and a thin cable. The outer end of the thin cable is detachably connected with the outer end of the cable lead of the electrothermal film of the corresponding heat preservation template through a sealing quick joint, the two thick cables of each wiring tee joint of the same group of heat preservation templates are connected in series through a sealing quick joint to form a corresponding group of power supply cables, and N is a positive integer. The novel waterproof heat preservation formwork system for concrete construction in the extremely cold area is simple in structure, convenient to connect, good in waterproof and heat preservation effect and widely suitable for concrete construction in the extremely cold area.

Description

Technical Field

[0001] The utility model relates to a novel waterproof and extremely cold area concrete construction heat preservation template system. Background Art

[0002] The Chinese utility model with the authorization announcement on September 22, 2020 and the announcement number CN 211548746 U discloses an insulation formwork suitable for winter concrete construction, which includes, from the inside to the outside: a plurality of heat-conducting plates spliced ​​together into a whole, which are arranged close to the concrete; a plurality of electric heating films, which are arranged at intervals on the outer layer of the plurality of heat-conducting plates; an insulation plate, which is arranged on the outer layer of the electric heating film, and the heat-conducting plates, the electric heating films and the insulation plate are fixed into a whole by bolts and nuts; wherein, the inner surface of the plurality of heat-conducting plates spliced ​​together into a whole is a plane, and reserved holes are arranged on the insulation plate to allow the wiring terminals and cables of the electric heating film to pass through.

[0003] In actual use, the above-mentioned insulation formwork needs to be assembled into a concrete casting formwork of the corresponding shape according to the designed building appearance. The various electric heating film circuit joints are numerous, the waterproof requirements are high, and the disassembly and assembly are inconvenient. During construction, it is affected by outdoor rain and snow weather and watering maintenance, and it is easy to leak electricity. In addition, the existing insulation formwork is easy to dissipate heat through radiation, which consumes a lot of energy and the insulation effect needs to be improved. Summary of the invention

[0004] The technical problem to be solved by the utility model is how to overcome the above-mentioned defects of the prior art and provide a novel waterproof and extremely cold area concrete construction insulation formwork system.

[0005] In order to solve the above technical problems, the novel waterproof and extremely cold area concrete construction insulation template system comprises a plurality of insulation templates and a power supply circuit. Each insulation template comprises, from the inside to the outside, a heat conducting plate, an electric heating film, and an insulation plate. A through hole is opened on each insulation plate, and the cable lead of the electric heating film passes through the through hole. The insulation template is divided into N groups, and the cable leads of each electric heating film in each group are connected in parallel to the same pair of power supply cables. A control switch is connected in series between the pair of power supply cables and the power supply circuit. It is characterized in that each insulation template is equipped with a wiring tee, and the wiring tee is respectively connected to two thick cables and one thin cable. The outer end of the thin cable is detachably connected to the outer end of the cable lead of the electric heating film of the corresponding insulation template through a sealed quick connector. The two thick cables of each wiring tee of the same group of insulation templates are connected in series to form a corresponding group of power supply cables through a sealed quick connector. Each sealed quick connector comprises a plug end and a socket end. The outer circumference of the middle section of the plug end is provided with an outer convex ring and is covered with an O-ring seal The outer sleeve of the socket end is provided with a corresponding outer thread, and the O-ring is clamped between the adjacent outer convex ring and the outer sleeve of the corresponding socket end. The plug column and the plug tube are plugged in one by one. Each socket end is also connected with a spare sealing cap, which includes a sealing disk and a plug tube connected together. The plug tube can be inserted into the outer sleeve of the socket end to close the socket end, where N is a positive integer.

[0006] With such a design, each wiring tee is connected in series to form each group of power supply cables through a sealed quick connector, and the electric heating film is also connected in parallel to each group of power supply cables through a sealed quick connector, which is convenient for disassembly and assembly, and is waterproof and leak-proof.

[0007] As an optimization, the wiring tee is T-shaped, including two opposite ends and a middle end, two thick cables are connected to the two opposite ends respectively, the thin cable is connected to the middle end, and a fixing hole is also provided on the wiring tee. With such a design, the wiring tee has a symmetrical structure, and when in use, the wiring tee can be fixed to the insulation template by passing the iron wire through the fixing hole, which is very convenient.

[0008] As an optimization, the inner wall of the inner insert tube of the plug end is provided with a longitudinal ridge, and the outer peripheral wall of the insert platform of the socket end is provided with a corresponding longitudinal groove. When the plug end and the socket end are plugged in, the longitudinal ridge is correspondingly inserted into the longitudinal groove. With this design, after the plug end and the socket end are plugged in, they will not rotate relative to each other, which can effectively prevent the plug column from being twisted off.

[0009] As an optimization, the outer side of the heat conducting plate is also coated with a heat absorbing coating, the heat insulation board includes a substrate and a heat insulation blanket layer attached to the inner surface of the heat insulation board, and an anti-thermal radiation film is also provided between the electric heating film and the heat insulation blanket layer. With such a design, the heat radiation emitted outward by the electric heating film is reflected back by the anti-thermal radiation film, and together with the heat radiation emitted inward by the electric heating film, is absorbed by the heat absorbing coating on the outer side of the heat conducting plate, resulting in small heat loss and good heat insulation effect.

[0010] As an optimization, the control switch is a relay switch, the power supply circuit also includes a PLC controller, each group of insulation templates is equipped with a temperature sensor, the temperature sensor is buried in the poured concrete or attached to the inner surface of the heat conduction plate of a piece of insulation template in the group, the temperature sensor is respectively connected to the signal input end of the PLC controller, and the relay switch is respectively connected to the signal output end of the PLC controller. With such a design, the PLC controller senses the temperature of the poured concrete in real time through the temperature sensor, and adjusts the power supply of the electric heating film of each group of insulation templates according to the sensed concrete temperature, thereby adjusting its heat generation, thereby achieving the curing needs of the poured concrete.

[0011] The novel waterproof and extremely cold area concrete construction thermal insulation formwork system has the advantages of simple structure, convenient connection, good waterproof and thermal insulation effects, and is widely applicable to concrete construction in extremely cold areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The following is a further description of the new waterproof and extremely cold area concrete construction insulation formwork system in conjunction with the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the main view of the wiring tee and its plug end and socket end in the first embodiment of the novel waterproof and extremely cold region concrete construction insulation formwork system;

[0014] Figure 2 This is a three-dimensional structural schematic diagram of the plug end in the first implementation mode of the novel waterproof and extremely cold region concrete construction insulation formwork system;

[0015] Figure 3 This is a three-dimensional structural diagram of the socket end in the first implementation mode of the novel waterproof and extremely cold region concrete construction insulation formwork system;

[0016] Figure 4 It is a structural schematic diagram of a sealed quick connector formed by connecting the plug end and the socket end of two adjacent wiring tees in the first embodiment of the novel waterproof extremely cold region concrete construction insulation formwork system;

[0017] Figure 5 It is a three-dimensional schematic diagram of the plug end on the outer end of the thin cable of the wiring tee in the first embodiment of the novel waterproof extremely cold region concrete construction insulation formwork system;

[0018] Figure 6 yes Figure 5 The plug end of the thin cable shown is Figure 7 , 8 A schematic diagram of the structure of a sealed quick connector formed by connecting the socket end of the outer end of the cable lead on the electric heating film of the insulation template shown;

[0019] Figure 7 This is a schematic diagram of the decomposed structure of the insulation formwork of the first embodiment of the novel waterproof and extremely cold region concrete construction insulation formwork system;

[0020] Figure 8 It is a schematic diagram of the electrical connection of adjacent insulation formworks in the first implementation mode of the novel waterproof extremely cold region concrete construction insulation formwork system when in use.

[0021] In the figure: 1 is an insulation template, 11 is a heat conducting plate, 12 is an electric heating film, 13 is an insulation board, 131 is a substrate, 132 is an insulation blanket layer, 14 is a cable lead, 15 is a wiring tee, 16 is a heat absorbing coating, 17 is an anti-thermal radiation film, 18 is a fixing hole, 19 is an anti-skid ridge, 20 is an anti-skid notch, 2 is a through hole, 3 is a group power supply cable, 4 is a thick cable, 5 is a thin cable, 6 is a plug end, 61 is an outer convex ring, 62 is an inner insert, 63 is a plug column, 64 is a longitudinal convex ridge, 7 is a socket end, 71 is an outer sleeve, 72 is a plug table, 73 is a plug, 74 is a longitudinal groove, 8 is an O-ring, 9 is a rotating nut, 10 is a spare sealing cap, 101 is a sealing disk, and 102 is a plug. DETAILED DESCRIPTION

[0022] Implementation method 1: Figure 1-8As shown, the novel waterproof extremely cold area concrete construction insulation template system includes a plurality of insulation templates and a power supply circuit. Each insulation template 1 includes, from the inside to the outside, a heat conducting plate 11, an electric heating film 12, and an insulation plate 13. A through hole 2 is opened on each insulation plate 13, and a cable lead 14 of the electric heating film 12 passes through the through hole 2. The insulation template 1 is divided into N groups, and the cable leads 14 of each electric heating film 12 in each group are connected in parallel to the same pair of power supply cables 3. A control switch (not shown in the figure) is connected in series between the pair of power supply cables 3 and the power supply circuit. The characteristic is that each insulation template 1 The warm template 1 is equipped with a wiring tee 15, which is respectively connected to two thick cables 4 and a thin cable 5. The outer end of the thin cable 5 is detachably connected to the outer end of the cable lead 14 of the electric heating film 12 of the corresponding insulation template 1 through a sealed quick connector. The two thick cables 4 of each wiring tee 15 of the same group of insulation templates 1 are connected in series through a sealed quick connector to form a corresponding group power supply cable 3. Each sealed quick connector includes a plug end 6 and a socket end 7. The outer circumference of the middle section of the plug end 6 is provided with an outer convex ring 61, and is covered with an O-ring 8. The front end of the plug end 6 An inner insert tube 62 is provided, and two plug posts 63 are provided in the inner insert tube 62. The front end of the socket end 7 is provided with an outer sleeve 71, and the center of the outer sleeve 71 is provided with an insert platform 72, and two insert tubes 73 are provided in the insert platform 72. The plug end 6 is also sleeved with a rotating nut 9, and the front end opening of the nut 9 is tightened, and an inner thread is opened on its inner wall, and a central through hole is opened at its rear end. The outer diameter of the plug end 6 is less than the inner diameter of the central through hole < the outer diameter of the outer convex ring 61, and it is sleeved on the plug end 6 through the central through hole. The outer circumference of the outer sleeve 71 of the socket end 7 is provided with a corresponding external thread, and the plug end 6 and When the socket end 7 is connected, the inner insert tube 62 is inserted into the outer sleeve 71, and the tightening nut 9 is screwed on the outer thread of the outer sleeve 71 of the corresponding socket end 7, and the O-ring 8 is clamped between the adjacent outer convex ring 61 and the outer sleeve 71 of the corresponding socket end 7, and the plug 63 and the insert tube 73 are plugged in one by one. Each socket end 7 is also connected with a spare sealing cap 10, which includes a sealing disk 101 and an insert tube 102 connected together. The insert tube 102 can be inserted into the outer sleeve 71 of the socket end 7 to close the socket end 7, where N is a positive integer. The plug 63 is connected to the wire of the thick cable 7 or the wire of the cable lead 14, and the insert tube 73 is connected to the wire of the thick cable 7.

[0023] Figure 2 The outer circumferential surface of the rotating nut 9 on the plug end 6 of the thick cable 4 shown in the figure is provided with anti-skid ridges 19. Figure 5 The cross section of the rotating nut 9 on the plug end 6 of the thin cable 5 shown in the figure is a regular hexagon, and anti-slip notches 20 are provided on the side surfaces thereof.

[0024] The wiring tee 15 is T-shaped, including two opposite ends and a middle end. The two thick cables 4 are connected to the two opposite ends respectively, and the thin cable 5 is connected to the middle end. A fixing hole 18 is also provided on the wiring tee 15.

[0025] The inner wall of the inner insert tube 62 of the plug end 6 is provided with a longitudinal ridge 64, and the outer wall of the inserting platform 72 of the socket end 7 is provided with a corresponding longitudinal groove 74. When the plug end 6 and the socket end 7 are plugged, the longitudinal ridge 64 is correspondingly inserted into the longitudinal groove 74. When in use, a rope or iron wire is passed through the fixing hole 16, and the rope or iron wire is fixed to the frame of the base plate 132.

[0026] The outer side of the heat conducting plate 11 is also coated with a heat absorbing coating 16 , the heat insulating plate 13 includes a substrate 131 and a heat insulating blanket layer 132 attached to the inner surface of the heat insulating plate 131 , and a heat radiation protection film 17 is also provided between the electric heating film 12 and the heat insulating blanket layer 132 .

[0027] Embodiment 2: The control switch is a relay switch, and the power supply circuit also includes a PLC controller. Each group of insulation templates is equipped with a temperature sensor, which is buried in the poured concrete or attached to the inner surface of the heat conducting plate 11 of an insulation template 1 of the group. The above-mentioned temperature sensors are respectively connected to the signal input end of the PLC controller, and the above-mentioned relay switches are respectively connected to the signal output end of the PLC controller. The remaining structures are as described in Embodiment 1, and the figure is omitted.

Claims

1. A new waterproof and extremely cold area concrete construction insulation template system, including several insulation templates and power supply circuits, each insulation template includes from the inside to the outside: A heat conducting plate, an electric heating film, and an insulation plate, each of which has a through hole, through which the cable lead of the electric heating film passes, and the insulation template is divided into N groups, and the cable leads of each electric heating film in each group are connected in parallel to the same pair of power supply cables, and a control switch is connected in series between the pair of power supply cables and the power supply circuit, characterized in that: each insulation template is equipped with a wiring tee, and the wiring tee is respectively connected to two thick cables and one thin cable, and the outer end of the thin cable is detachably connected to the outer end of the cable lead of the electric heating film of the corresponding insulation template through a sealed quick connector, and the two thick cables of each wiring tee of the same group of insulation templates are connected in series to form a corresponding group of power supply cables through a sealed quick connector, and each sealed quick connector includes a plug end and a socket end, and the outer circumference of the middle section of the plug end is provided with an outer convex ring, and is covered with an O-ring, and the front end of the plug end is provided with an inner insert, and the inner insert is provided with two plug posts, so that The front end of the socket end is provided with an outer sleeve, and the center of the outer sleeve is provided with a plug platform, and two plugs are provided in the plug platform. The plug end is also covered with a rotating nut, and the front end of the tightening nut is opened, and an internal thread is opened on its inner wall, and a central through hole is opened at the rear end. The outer diameter of the plug end is less than the inner diameter of the central through hole and less than the outer diameter of the outer convex ring, and it is sleeved on the plug end through the central through hole. The outer circumference of the outer sleeve of the socket end is provided with a corresponding external thread. When the plug end and the socket end are connected, the inner plug is inserted into the outer sleeve, and the tightening nut is screwed on the external thread of the outer sleeve of the corresponding socket end, so that the O-ring is clamped between the adjacent external convex ring and the outer sleeve of the corresponding socket end, and the plug column and the plug are plugged in one by one. Each socket end is also connected with a spare sealing cap, which includes a sealing disk and a plug connected together. The plug can be inserted into the outer sleeve of the socket end to close the socket end, where N is a positive integer.

2. The novel waterproof and thermal insulation formwork system for concrete construction in extremely cold regions according to claim 1 is characterized by: The wiring tee is T-shaped, including two opposite ends and a middle end. Two thick cables are connected to the two opposite ends respectively, and the thin cable is connected to the middle end. A fixing hole is also provided on the wiring tee.

3. The novel waterproof and thermal insulation formwork system for concrete construction in extreme cold regions according to claim 2 is characterized by: The inner wall of the inner insert tube of the plug end is provided with a longitudinal ridge, and the outer peripheral wall of the insert platform of the socket end is provided with a corresponding longitudinal groove. When the plug end and the socket end are plugged in, the longitudinal ridge is correspondingly inserted into the longitudinal groove.

4. The novel waterproof and thermal insulation formwork system for concrete construction in extreme cold regions according to claim 1, 2 or 3, characterized in that: The outer side of the heat conducting plate is also coated with a heat absorbing coating, the heat insulating plate comprises a base plate and a heat insulating blanket layer attached to the inner surface of the heat insulating plate, and a heat radiation proof film is also arranged between the electric heating film and the heat insulating blanket layer.

5. The novel waterproof and thermal insulation formwork system for concrete construction in extreme cold regions according to claim 4 is characterized by: The control switch is a relay switch, and the power supply circuit also includes a PLC controller. Each group of insulation templates is equipped with a temperature sensor, which is buried in the poured concrete or attached to the inner surface of the heat conduction plate of an insulation template of the group. The above-mentioned temperature sensors are respectively connected to the signal input end of the PLC controller, and the above-mentioned relay switches are respectively connected to the signal output end of the PLC controller.

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