Assembly type puncture connection electrode
Technical field
The utility model relates to a kind of electrode, is specifically related to a kind of assembly type puncture connection electrode, and more particularly, the utility model relates to a kind of conductive heating floor assembly type puncture connection electrode.By adopting the assembly type puncture connection electrode in the utility model, can significantly improve insulation property, security performance, the water resistance of conductive heating floor, and increase substantially the laying installation effectiveness of conductive heating floor.
Background technology
Along with the raising that people require quality of life, conductive heating floor will be adopted more and more as the novel product of environmental protection and energy saving.Existing conductive heating floor is generally carried out lamination by last substrate layer, conductive heating layer and following substrate layer according to the state of the art and is composited.Lead or conducting metal screw and nut with conductive heating layer is communicated with pre-buried in external power source and the floor are connected the back to the conductive heating layer power supply, as disclose a kind of electrode of conductive heating floor in the International Application PCT/CN2008/000897 of applicant oneself submission.Described electrode is installed to inner nut shape electrode on the electric heating panel by the hole of matching with electrode size at brill on the electric heating panel, electrode links to each other with conductive heating layer, should closely cooperate between electrode and the described hole, as adopting interference fit and similar fit system.Lead is fixed on the electrode with screw.Be the purpose of insulation, adopt insulation mud that electrode is insulated, and adopt the further insulation and fixing of plastics over cap.Though kind electrode can meet design requirement, the installation and the line of electrode are more loaded down with trivial details, thereby make the installation complexity of conductive heating floor, and the set-up time is long, influences operating efficiency.Chinese patent application CN101148939A discloses a kind of electric heating floor, wherein connects the electrode and the power lead of every group of electric membranous layer with the brass screws binding post, and the position that brass screws is connected with power lead is at the reverse side of electric heating floor.The connected mode of kind electrode is still very loaded down with trivial details, and is not easy to guarantee the insulation property of electric heating floor.
The utility model content
The purpose of this utility model is to overcome the defective of the electrode that is applied to conductive heating floor in the prior art, and a kind of assembly type puncture connection electrode is provided, and kind electrode is simple in structure, easy for installation, good insulation preformance, safe and reliable.When particularly installing at the scene, can reduce the set-up time of conductive heating floor significantly, increase work efficiency.
Assembly type puncture connection electrode in the utility model is made of conducting metal pin and electrode working of plastics.Described electrode working of plastics has conducting metal cushion hole, lead perforation and at least one insulating cement guide groove; The diameter in conducting metal cushion hole is greater than the external diameter of conducting metal pin; The central shaft of described lead perforation is interconnected perpendicular to central shaft and conducting metal cushion hole, lead perforation and the insulating cement guide groove in conducting metal cushion hole.Described conducting metal pin two ends all have needle point, are positioned at conducting metal cushion hole after the installation.
Described conducting metal pin can adopt conducting metals such as copper, stainless steel or aluminium to process.
The invention also discloses a kind of novel conductive heating floor, this conductive heating floor has above-mentioned assembly type puncture connection electrode.During conductive heating floor in making the utility model, need reserve electrode hole at the back side on floor, the diameter of electrode hole should be able to guarantee that the electrode working of plastics can insert wherein and realize interference fit.When at the scene conductive heating floor being installed, in electrode hole, splash into proper insulating glue; Then lead is penetrated in the perforation of electrode working of plastics lead, again the conducting metal pin is inserted in the conducting metal pin hole of electrode working of plastics; Then the assembly type puncture connection electrode is fit in the electrode hole at the back side, floor.In puncture connection electrode is packed the process of electrode hole into, the needle point of one end of conducting metal pin penetrates the conductive heating layer of conductive heating floor and combines closely with conductive heating layer, and the external insulation layer that the needle point of the other end then penetrates lead contacts with wire in the lead.In addition, in the process of electrode hole that described assembly type puncture connection electrode is packed into, insulating cement along conducting metal pin and jack gap and the insulating cement guide groove enter in the lead perforation and and be full of the lead perforation, thereby realize the insulative water-proof purpose.
In order to prevent to continue deeply to penetrate behind the conducting metal needle penetration conductive heating layer the last substrate layer of conductive heating floor, preferably the thickness according to conductive heating layer is provided with a step at the needle point root that the conducting metal pin contacts with conductive heating layer.Another advantage that increases step is the contact area that can increase conducting metal pin and conductive layer, thereby reduces the possibility that causes local overheating because of loose contact.
Certainly, also can one step be set, thereby play position-limiting action at the end that the conducting metal pin contacts with lead.
In order further to increase the contact area of conducting metal pin and conductive heating layer, Copper Foil or aluminium foil can also be set at the position that the conducting metal pin contacts with conductive heating layer, and the purpose of doing like this is minimizing produces local overheating owing to loose contact in electrode and conductive heating layer contact position a possibility.
The conductive heating layer of described conductive heating floor preferably adopts screen printing mode that conductive exothermal coating is printed onto on the substrate layer.Certainly, conductive heating layer also can be made independent sheet in advance, adopts binding agent to be bonded on the substrate layer of conductive heating floor then.
Described conductive exothermal coating comprises conductive exothermal material and binding agent.Wherein said conductive exothermal material is selected from native graphite, Delanium, conductive carbon black; Described binding agent is selected from epoxy adhesive, polyurethane resin binding agent, the fine ammonia binding agent of trimerization, gelatin binding agent, carboxymethyl cellulose binding agent and polyvinyl alcohol adhesive.
Wherein said binding agent consumption accounts for the 15-80% of described conductive exothermal coating main body prescription total weight; And the consumption of wherein said conductive exothermal material accounts for the 20-85% of conductive exothermal coating main body prescription total weight; The main body prescription of conductive exothermal coating is conductive exothermal material and binding agent.
The thickness of wherein said conductive heating layer is the 40-200 micron.
Conductive heating layer wherein is that the employing screen printing mode is printed onto the uniform fenestral fabric on the base material.
Adopt the conductive heating floor of above-mentioned assembly type puncture connection electrode can improve the speed that install at the scene on the floor greatly, and significantly improve the insulation safety of conductive heating floor.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of assembly type puncture connection electrode in the utility model;
Fig. 2 A is the top view of assembly type puncture connection electrode in the utility model;
Fig. 2 B is the A-A cutaway view of assembly type puncture connection electrode among Fig. 2 A;
Fig. 2 C is the B-B cutaway view of assembly type puncture connection electrode among Fig. 2 A;
Fig. 3 A is the assembly type puncture connection electrode installation process schematic diagram of conductive heating floor in the utility model;
Fig. 3 B is the another schematic diagram of assembly type puncture connection electrode installation process of conductive heating floor in the utility model;
Fig. 3 C is the assembly type puncture connection electrode installation process schematic diagram again of conductive heating floor in the utility model.
Another is equipped with the cross-sectional schematic of the conductive heating floor of assembly type puncture connection electrode to Fig. 4 for the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.Should be clear, the embodiment of the present utility model described in the accompanying drawing only for explanation the utility model usefulness, does not constitute restriction of the present utility model.Protection range of the present utility model is limited by appending claims.
Fig. 1 is the sectional structure schematic diagram of assembly type puncture connection electrode in the utility model.As shown in Figure 1, the assembly type puncture connection electrode in the utility model comprises conducting metal pin 1 and electrode working of plastics 2.The electrode working of plastics comprises cylinder top 21 and bottom 22.The elongated needle-like of conducting metal pin 1 for adopting copper material to make, its cross section are circular.Electrode working of plastics 2 on top 21 have conducting metal cushion hole 3 and and insulating cement guide groove 5,22 have lead perforation 4 in the bottom, shown in Fig. 2 A, 2B, 2C.The external diameter of conducting metal pin 1 is littler than the diameter in conducting metal cushion hole 3, thereby can make conducting metal pin 1 insert conducting metal cushion hole 3 like a cork.The size of lead perforation 4 is bigger slightly than the external diameter of conventional wires, passes in 4 to guarantee that lead can be bored a hole at lead.The cross section of insulating cement guide groove 5 is square (can be arbitrary shape certainly).For make insulating cement can along conducting metal cushion hole 3 and insulating cement guide groove 5 arrive leads perforation 4 and lead perforation 4 is filled full, conducting metal cushion hole 3, lead perforation 4 and insulating cement guide groove 5 are interconnected.For easy for installation, an end of electrode working of plastics 2 has the undergauge chamfering.The central shaft of lead perforation 4 is perpendicular to the central shaft in conducting metal cushion hole 3.
Fig. 3 A is the assembly type puncture connection electrode installation process schematic diagram of conductive heating floor in the utility model.As shown in Figure 3A, conductive heating floor 10 comprises substrate layer 101, by glue line 102 attached to substrate layer 104 under conductive heating layer 103 on the last substrate layer 101 and the floor.Machined electrode hole 106 in advance on the following substrate layer 104 of conductive heating floor 10.The diameter of electrode hole 106 is slightly less than the outside dimension on assembly type puncture connection electrode 107 tops 21, thereby realizes interference fit when assembly type puncture connection electrode 107 is fit into electrode hole 106.The size on assembly type puncture connection electrode 107 tops 21 is less than the external dimensions (size of top and the bottom also can be identical certainly) of bottom 22.When described assembly type puncture connection electrode 107 is fit into electrode hole 106, at first in electrode hole 106, place the insulating cement 108 of capacity, to apply power by the puncture connection electrode 107 that has assembled among Fig. 3 A then is fit in the electrode hole 106, in the process of installing, insulating cement clamp-on gradually the institute gapped in, shown in Fig. 3 B.Fig. 3 C shows the situation that assembly type puncture connection electrode 107 has been in place on conductive heating floor.Shown in Fig. 3 C, the conducting metal pin 1 of assembly type puncture connection electrode 107 has pierced through conductive heating layer 103 and reliable the connection.Simultaneously, the lower end needle point of conducting metal pin 1 has also pierced through the insulating barrier of the lead that is positioned at the lead perforation and reliably has been connected with guidewire.Also have, this moment, insulating cement was full of all gaps, comprised the gap of lead perforation, and overflowed from the lead perforation.From Fig. 3 A, 3B, 3C, it can also be seen that, conducting metal pin upper end has a step 11 near the root of needle point, this step 11 can be determined according to the thickness of conductive heating layer to the distance of needle point, the purpose that step 11 is set is single contact area that can increase conducting metal pin 1 and conductive heating layer 103, and can play position-limiting action, prevent that conducting metal pin 1 from passing conductive heating layer and wearing out substrate layer 101 and the destruction conductive heating floor.
Fig. 4 is the sectional structure schematic diagram of another kind of the present utility model conductive heating floor that assembly type puncture connection electrode is installed.The conductive heating floor that installs assembly type puncture connection electrode shown in this conductive heating floor and Fig. 3 C is substantially the same.Different is that the conductive heating floor among Fig. 4 also is fixed with a slice Copper Foil 20 in the contact position of conducting metal pin 1 and conductive heating layer 103.Adopt Copper Foil 20 can increase the contact area of electrode and conductive heating layer, thereby reduce the possibility that produces local overheating owing to loose contact.Can certainly adopt aluminium foil.
Assembly type puncture connection electrode in the utility model also can be used for the conductive exothermal wallboard.
Based on description to the utility model preferred implementation, should be clear, be not limited only to the specific detail set forth in the top specification by the utility model that appending claims limited, what do not break away from the utility model aim or scope may reach the purpose of this utility model equally to many conspicuous changes of the present utility model.