CN204691267U - A kind of low-temperature concrete built-in type electric heater unit - Google Patents
A kind of low-temperature concrete built-in type electric heater unit Download PDFInfo
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- CN204691267U CN204691267U CN201520402812.9U CN201520402812U CN204691267U CN 204691267 U CN204691267 U CN 204691267U CN 201520402812 U CN201520402812 U CN 201520402812U CN 204691267 U CN204691267 U CN 204691267U
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- phase bus
- tool unit
- bus tool
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Abstract
The utility model discloses a kind of low-temperature concrete built-in type electric heater unit, at least one group of heating wires comprising at least one three-phase bus tool unit, heating transformer and be arranged in structural concrete, often organize heating wires to connect with corresponding three-phase bus tool unit respectively by three outconnectors, described three-phase bus tool unit is connected with heating transformer by cable, and described heating transformer is connected with power supply.The utility model utilizes built-in type electric wire to heat concrete construction method and can use under the extremely cold condition within-40 DEG C, and the construction interval making full use of winter is constructed, thus speeds up the work, and improves the service efficiency of people, material, machine.
Description
Technical field
The utility model belongs to technical field of building construction, particularly a kind of built-in type electric heater unit for carrying out electrical heating construction under cryogenic to concrete.
Background technology
The harm such as general in the winter of cold, conventional method construction concrete can cause the reduction of concrete strength, causes distress in concrete, the corrosion of reinforcement in concrete and endurance performance of concrete.Conventional adjustment match ratio method, regenerative process, outside heating method, these four kinds of method Applicable temperatures of anti-freeze additional agent method are all at 0 DEG C ~-10 DEG C, the quality of construction when effectively could ensure that concrete is more than-10 DEG C.Particularly generally do not carry out concrete winter construction the pole cold air time of-20 DEG C ~-40 DEG C, cause winter construction to stay cool, substantially prolongs the project construction cycle, add project cost.
Utility model content
Goal of the invention of the present utility model is: for above-mentioned Problems existing, provides one can use under-40 DEG C of environment, and easy and simple to handle, can speed up the work, reduce labour expenditure, save material, the low-temperature concrete built-in type electric heater unit that energy loss is little.
The implementation of the technical solution of the utility model is: a kind of low-temperature concrete built-in type electric heater unit, it is characterized in that: at least one group of heating wires comprising at least one three-phase bus tool unit, heating transformer and be arranged in structural concrete, often organize heating wires to connect with corresponding three-phase bus tool unit respectively by three outconnectors, described three-phase bus tool unit is connected with heating transformer by cable, and described heating transformer is connected with power supply.
Low-temperature concrete built-in type electric heater unit described in the utility model, mutually connected by cable between its multiple three-phase bus tool unit, each three-phase bus tool unit is connected with three outconnectors of at least one group of heating wires.
Low-temperature concrete built-in type electric heater unit described in the utility model, heating wires described in it before concreting colligation on the reinforcing bar laid or skeleton.
Low-temperature concrete built-in type electric heater unit described in the utility model, three electric conductors that three-phase bus tool unit described in it comprises insulating support composition and is connected on insulating support composition, every root electric conductor is provided with some connecting holes, described three outconnectors often organizing heating wires connect one to one with three electric conductors of corresponding three-phase bus tool unit respectively, three electric conductor two ends of described three-phase bus tool unit are connected to form three-phase bus tool unit incoming end with three cables respectively and three-phase bus tool unit picks out end.
Low-temperature concrete built-in type electric heater unit described in the utility model, described in it, insulating support composition comprises batten base and batten column, described batten column bottom is fixedly connected with batten base, described batten base is provided with the plank stiffening rib be connected with batten column, and described three electric conductors are equidistantly flatly connected on batten column.
The beneficial effects of the utility model are:
1, the utility model utilize built-in type electric wire heat concrete construction method can make full use of winter construction interval construct, can speed up the work, improve people, material, machine service efficiency.
2, the utility model can reduce labour expenditure, save material, energy loss is little, substantially the heat energy of all electric energy conversions can be passed to concrete, through measuring and calculating, inside bury wire electrical heating construction method than Eddy Current of Frequency heating power saving about 40%, avoid the heat waste of conduction and the radiation caused by external heat, improve utilization rate of electrical.
3, the utility model can use under the extremely cold condition within-40 DEG C, is applicable to the concrete of various structures form, applied widely, not only economy but also can ensure concrete construction quality.
4, the utility model is simple to operate, on the reinforcing bar that the colligation that only electric wire need be laid in is good or skeleton.
5, the utility model can add hot concrete equably, avoids and produces crack because of the too high dehydration of local temperature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 and Fig. 3 is the structural representation of three-phase bus tool unit in the utility model.
Mark in figure: 1 is three-phase bus tool unit, and 2 is heating transformer, and 3 is structural concrete, 4 is heating wires, and 5 is outconnector, and 6 is cable, 7 is power supply, 8 is electric conductor, and 9 is connecting hole, and 10 is three-phase bus tool unit incoming end, 11 pick out end for three-phase bus tool unit, 12 is batten base, and 13 is batten column, and 14 is plank stiffening rib.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of low-temperature concrete built-in type electric heater unit, comprise at least one three-phase bus tool unit 1, heating transformer 2 and at least one group of heating wires 4 be arranged in structural concrete 3, described heating wires 4 before concreting colligation on the reinforcing bar laid or skeleton, often organize heating wires 4 to connect with corresponding three-phase bus tool unit 1 respectively by three outconnectors 5, described three-phase bus tool unit 1 is connected with heating transformer 2 by cable 6, described heating transformer 2 is connected with power supply 7, mutually connected by cable 6 between multiple three-phase bus tool unit 1, each three-phase bus tool unit 1 is connected with three outconnectors 5 of at least one group of heating wires 4.In the present embodiment, the heating wires be arranged in structural concrete is three groups, often organizes heating wires and is connected with a three-phase bus tool unit respectively, mutually connect between three three-phase bus tool units.
As shown in Figures 2 and 3, three electric conductors 8 that described three-phase bus tool unit 1 comprises insulating support composition and is connected on insulating support composition, described electric conductor adopts band iron, every root electric conductor 8 is provided with some connecting holes 9, described three outconnectors 5 often organizing heating wires 4 connect one to one with three electric conductors 8 of corresponding three-phase bus tool unit 1 respectively, three electric conductor 8 two ends of described three-phase bus tool unit 1 are connected to form three-phase bus tool unit incoming end 10 with three cables respectively and three-phase bus tool unit picks out end 11.
Wherein, described insulating support composition comprises batten base 12 and batten column 13, be fixedly connected with batten base 12 bottom described batten column 13, described batten base 12 is provided with the plank stiffening rib 14 be connected with batten column 13, and described three electric conductors 8 are equidistantly flatly connected on batten column 13.
The foregoing is only preferred embodiment of the present utility model and also; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a low-temperature concrete built-in type electric heater unit, it is characterized in that: at least one group of heating wires (4) comprising at least one three-phase bus tool unit (1), heating transformer (2) and be arranged in structural concrete (3), often organize heating wires (4) to connect with corresponding three-phase bus tool unit (1) respectively by three outconnectors (5), described three-phase bus tool unit (1) is connected with heating transformer (2) by cable (6), and described heating transformer (2) is connected with power supply (7).
2. low-temperature concrete built-in type electric heater unit according to claim 1, it is characterized in that: mutually connected by cable (6) between multiple three-phase bus tool unit (1), each three-phase bus tool unit (1) is connected with three outconnectors (5) of at least one group of heating wires (4).
3. low-temperature concrete built-in type electric heater unit according to claim 1, is characterized in that: described heating wires (4) before concreting colligation on the reinforcing bar laid or skeleton.
4. according to claim 1, low-temperature concrete built-in type electric heater unit described in 2 or 3, it is characterized in that: three electric conductors (8) that described three-phase bus tool unit (1) comprises insulating support composition and is connected on insulating support composition, every root electric conductor (8) is provided with some connecting holes (9), described three outconnectors (5) often organizing heating wires (4) connect one to one with three electric conductors (8) of corresponding three-phase bus tool unit (1) respectively, three electric conductor (8) two ends of described three-phase bus tool unit (1) are connected to form three-phase bus tool unit incoming end (10) and three-phase bus tool unit respectively and pick out and hold (11) with three cables (6).
5. low-temperature concrete built-in type electric heater unit according to claim 4, it is characterized in that: described insulating support composition comprises batten base (12) and batten column (13), described batten column (13) bottom is fixedly connected with batten base (12), described batten base (12) is provided with the plank stiffening rib (14) be connected with batten column (13), and described three electric conductors (8) are equidistantly flatly connected on batten column (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402812.9U CN204691267U (en) | 2015-06-12 | 2015-06-12 | A kind of low-temperature concrete built-in type electric heater unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402812.9U CN204691267U (en) | 2015-06-12 | 2015-06-12 | A kind of low-temperature concrete built-in type electric heater unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204691267U true CN204691267U (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520402812.9U Active CN204691267U (en) | 2015-06-12 | 2015-06-12 | A kind of low-temperature concrete built-in type electric heater unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204691267U (en) |
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2015
- 2015-06-12 CN CN201520402812.9U patent/CN204691267U/en active Active
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