CN204962933U - Heating floor - Google Patents
Heating floor Download PDFInfo
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- CN204962933U CN204962933U CN201520710104.1U CN201520710104U CN204962933U CN 204962933 U CN204962933 U CN 204962933U CN 201520710104 U CN201520710104 U CN 201520710104U CN 204962933 U CN204962933 U CN 204962933U
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- binding post
- heating floor
- heating
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- temperature
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Abstract
The utility model discloses a heating floor, include: aluminum plate, upper epoxy board adds the hotting mask, middle level epoxy board, aramid fiber honeycomb panel and the epoxy of lower floor board, the peripheral banding section bar that adopts is sealed to use glue to fill the vacancy, one side edge of this heating floor is provided with the through -hole, is provided with the binding post PCB board in this through -hole, and this binding post PCB board upper surface is provided with PT100 thermal resistance and thermal cut -off in, and embedded upper cover plate covers the top at the binding post PCB board, this binding post PCB board lower surface is provided with PT100 binding post and heater wire binding post, is provided with the over -current protection ware between PT100 binding post and the heater wire binding post, exposes that the apron sets up in the bottom of binding post PCB board under the formula, should expose the formula under the apron central part be provided with well dead slot, the marine glue pours into in cavity inslot portion, should expose the side of lapping under the formula and be provided with power supply lead wire hole and PT100 thermal resistance pin hole, should expose the upper surface of lapping under the formula and be provided with waterproof cushion.
Description
Technical field
The utility model relates to a kind of heating floor, belongs to ground decoration and temperature control electric appliance interleaving techniques field.
Background technology
Traditional heating floor comprises heating element heater and arranges flooring material thereon.Heating element heater generally includes the heating element heater of electric type and the heating element heater of hot water type.The planar heating element that the heating element heater of electric type such as uses heating cables (such as nickel filament) form or makes with carbon based fibers and carbon black; The heating element heater of hot water type refers to and uses hot water at hot-water line Inner eycle thus heating floor system.Compared with the floor heating system of hot water type, the floor heating system of electric type has easy-to-install advantage.
Under room is remained on comfortable temperature, need the thermal exposure controlling to come from underfloor heater according to the thermic load in room.Usually, temperature sensor, floor temperature sensor or its combination is used to control room temperature.When the thermic load in room is less, even if the thermal exposure of the per unit area of underfloor heater is less, under also room can being remained on a comfortable temperature.If the thermic load in room increases, under room is remained on comfortable temperature, just require that the thermal exposure on underfloor heater per unit area is large, therefore floor surface temperature increases thereupon, and now how avoiding floor to damage human body is a problem not obtaining for a long time solving very well.In addition, for the heating element heater of electric type, guarantee leakproof, the personal safety avoiding electric shock injury user is also the long-term technical issues that need to address in this area.
Utility model content
The purpose of this utility model is to solve the problem, and provides a kind of novel heating floor.
Heating floor described in the utility model comprises: aluminium sheet, upper strata epoxy resin board, heating film, middle level epoxy resin board, aramid fiber cellular board and underlying epoxy plate, and periphery adopts edge sealing sectional material sealing, and uses glue to fill a vacancy; One lateral edges of this heating floor is provided with through hole, is provided with binding post pcb board in this through hole, and this binding post pcb board upper surface is provided with PT100 thermal resistance and thermal cut-off, and built-in type upper cover plate covers the top of binding post pcb board; This binding post pcb board lower surface is provided with PT100 binding post and heater wire binding post, overcurrent protective device is provided with between PT100 binding post and heater wire binding post, exposed lower cover is arranged on the bottom of binding post pcb board, this exposed lower cover central part is provided with hollow groove, hollow groove inside perfusion marine glue; The side of this exposed lower cover is provided with power supply lead wire hole and PT100 thermal resistance fairlead, and the upper surface of this exposed lower cover is provided with waterproof pad.
The inner filling heat-conductive silica gel of described built-in type upper cover plate carries out heat trnasfer.
Described heating floor employing gross thickness is the sandwich sandwich of 19.5 ± 0.2mm, wherein said aluminium plate thickness is 2mm, upper strata epoxy resin plate thickness is 0.5mm, heating film thickness is 0.3mm, middle level epoxy resin plate thickness is 1.5mm, aramid fiber cellular board thickness is 13.5mm, and underlying epoxy plate thickness is 1.5mm.
Described heating film adopts carbon fiber heating film, and by temperature controller centralized Control, when floor temperature is more than 35 DEG C, temperature switch disconnects automatically, restarts heating when floor temperature closes floor lower than temperature detect switch (TDS) when 25 DEG C.
Spring binding post is provided with in pcb board draw-in groove; Upper strata waterproof sealing rubber cushion and built-in type upper cover plate is provided with above pcb board draw-in groove; Side is provided with electric heater fire-wire interfaces, electric heater interface of the ground wire, PT100 temperature sensor interface and thermal cut-off interface; Be provided with lower floor's waterproof sealing rubber cushion and exposed lower cover below, exposed lower cover central part is provided with hollow groove, hollow groove inside perfusion marine glue; Exposed lower cover side is provided with electric heating floor live wire and enters switch board interface, and electric heating floor zero line enters switch board interface, and electric heating floor ground wire enters switch board interface and PT100 temperature sensor enters switch board interface.
Built-in type upper cover plate is the embedded cover plate of 60mm*30mm*5mm, carries out waterproof sealing with sealing ring.
Described heating floor is also provided with total RCCB, and total RCCB is connected with multiple regions RCCB by A.C. contactor; Total RCCB is also connected with PLC and temperature detecting module by power frequency isolation transformer, and PLC is connected with man-machine interactive platform with temperature detecting module; Multiple regions RCCB is connected with each self-corresponding region solid-state relay respectively, and each region solid-state relay is connected with each self-corresponding region heating floor respectively; Multiple regions RCCB is connected in parallel on A.C. contactor.
Described PLC and temperature detecting module control regional solid-state relay by pwm pulse, and control regional heating floor by PT100 analog signal.
Described total RCCB is total RCCB of 100 milliamperes of 0.04 second actuation times; Region RCCB is the region RCCB of 30 milliamperes of 0.04 second actuation times.
Described power frequency isolation transformer rated capacity is 50W-200KW; Dielectric voltage withstand AC2KV/1min; Insulation impedance is greater than 100M Ω; Described region RCCB rated current is 6A-125A; Sensitivity is 30MA; The maximum actuation time is 0.04 second; Described region solid-state relay carries out constant temperature PID adjustment, and rated voltage is AC230V, and rated current is 6A-125A; Heating floor inside, described region adopts PT100 heat sensor to carry out temperature detection control, when temperature sensor or temperature control system break down cause heat to rise to 70 DEG C time, cross thermal cut-off and carry out overheated fusing; When heating film electric current is greater than normal current 1.5 times, heating film overcurrent fuse cuts off heating film power supply automatically; The rated power of described region heating floor is 480W/M2; Rated voltage AC220V, crosses thermal fuse and fuses 70 ± 2 DEG C time.
Compared with prior art, the beneficial effect of technical solutions of the utility model is:
Heating floor described in the utility model is rational in infrastructure, the temperature switch when floor temperature is more than 35 DEG C can be realized automatically disconnect, restart heating when floor temperature closes floor lower than temperature detect switch (TDS) when 25 DEG C, make space remain on a steady temperature, ensure comfortableness; Have sound insulation and decrease of noise functions, good heat-proof quality, effectively intercepts electromagnetic interference, carries overheat protective function simultaneously, and when temperature controller invalid temperature is too high, the fusible link of heating floor inside will fuse automatically, avoids breaking out of fire equivalent risk; Adopt total earth leakage protective device and subregion earth leakage protective device, the personal safety of duplicate protection user, substantially increases safety coefficient.
Accompanying drawing explanation
Fig. 1 is the structural representation of heating floor described in the utility model.
Fig. 2 is the electrical equipment layout scheme of installation of heating floor described in the utility model.
Fig. 3 is the gage system schematic diagram of heating floor described in the utility model.
Fig. 4 is the electrical diagram of heating floor described in the utility model.
Wherein, 1-aluminium sheet, 2-upper strata epoxy resin board, 3-heating film, 4-middle level epoxy resin board, 5-aramid fiber cellular board, 6-underlying epoxy plate, 7-built-in type upper cover plate, 8-binding post pcb board, 9-PT100 thermal resistance, 10-thermal cut-off, 11-PT100 binding post, 12-heater wire binding post, 13-overcurrent protective device, 14-through hole, the exposed lower cover of 15-, 16-waterproof pad, 17-hollow groove, 18-power supply lead wire hole, 19-PT100 thermal resistance fairlead, 31-spring binding post, 32-PCB board groove, 33-upper strata waterproof sealing rubber cushion, 34-lower floor waterproof sealing rubber cushion, 35-electric heater fire-wire interfaces, 36-electric heater interface of the ground wire, 37-PT100 temperature sensor interface, 38-thermal cut-off interface, 39-electric heating floor live wire enters switch board interface, 40-electric heating floor zero line enters switch board interface, 41-electric heating floor ground wire enters switch board interface, 42-PT100 temperature sensor enters switch board interface.
Detailed description of the invention
Be clearly and completely described the technical scheme in the utility model below in conjunction with accompanying drawing, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
As Figure 1-3, heating floor described in the utility model comprises: aluminium sheet 1, upper strata epoxy resin board 2, heating film 3, middle level epoxy resin board 4, aramid fiber cellular board 5 and underlying epoxy plate 6, and periphery adopts edge sealing sectional material sealing, and uses glue to fill a vacancy; One lateral edges of this heating floor is provided with through hole 14, binding post pcb board 8 is provided with in this through hole 14, this binding post pcb board 8 upper surface is provided with PT100 thermal resistance 9 and thermal cut-off 10, and built-in type upper cover plate 7 covers the top of binding post pcb board 8; This binding post pcb board 8 lower surface is provided with PT100 binding post 11 and heater wire binding post 12, overcurrent protective device 13 is provided with between PT100 binding post 11 and heater wire binding post 12, exposed lower cover 15 is arranged on the bottom of binding post pcb board 8, this exposed lower cover 15 central part is provided with hollow groove 17, hollow groove 17 inside perfusion marine glue; The side of this exposed lower cover 15 is provided with power supply lead wire hole 18 and PT100 thermal resistance fairlead 19, and the upper surface of this exposed lower cover 15 is provided with waterproof pad 16.
The inner filling heat-conductive silica gel of described built-in type upper cover plate 7 carries out heat trnasfer.
Described heating floor employing gross thickness is the sandwich sandwich of 19.5 ± 0.2mm, wherein said aluminium sheet 1 thickness is 2mm, upper strata epoxy resin board 2 thickness is 0.5mm, heating film 3 thickness is 0.3mm, middle level epoxy resin board 4 thickness is 1.5mm, aramid fiber cellular board 5 thickness is 13.5mm, and underlying epoxy plate 6 thickness is 1.5mm.
Epoxy resin board has the performances such as intensity is large, lightweight, heat insulation, sound insulation and noise reduction, waterproof, insulation; Aramid fiber cellular board sticks with glue knot method by fluting medium to connect into numerous hollow three-dimensional regular hexagon, form overall stressed member a---refill, and the environmental protection and energy saving material of a kind of new midsole structure of facial tissue is bonded on its two sides, there is the excellent properties such as lightweight, intensity is large.
Heating film 3 adopts carbon fiber heating film, end is taked to connect, single paralleling model, by temperature controller centralized Control, when floor temperature is more than 35 DEG C, temperature switch disconnects automatically, restart heating when floor temperature closes floor lower than temperature detect switch (TDS) when 25 DEG C, make space remain on a steady temperature, ensure the comfortableness of user.Carbon fiber heating film be a kind of large, density ratio aluminium of strength ratio steel little, than stainless steel also corrosion-resistant, than heat resisting steel also high temperature resistant, can conduct electricity as copper again, there is the new material of the electricity of many preciousnesses, calorifics and mechanical property and there is a series of excellent properties such as high temperature resistant, corrosion-resistant, conduction, heat transfer, the coefficient of expansion be little.
Edge sealing sectional material adopts aluminium section bar, have that intensity is large, good corrosion resistance, etc. premium properties, aluminum alloy extrusion section bar mechanical property meets EN755-2:2008 standard.
The gage system of heating floor described in the utility model as shown in Figure 3.In pcb board draw-in groove 32, being provided with spring binding post 31, preventing line from loosening when shaking; Pcb board draw-in groove 32 is provided with upper strata waterproof sealing rubber cushion 33 and built-in type upper cover plate 7 above; Side is provided with electric heater fire-wire interfaces 35, electric heater interface of the ground wire 36, PT100 temperature sensor interface 37 and thermal cut-off interface 38; Be provided with lower floor's waterproof sealing rubber cushion 34 and exposed lower cover 15 below, exposed lower cover 15 central part is provided with hollow groove 17, hollow groove 17 inside perfusion marine glue; Exposed lower cover 15 side is provided with electric heating floor live wire and enters switch board interface 39, and electric heating floor zero line enters switch board interface 40, and electric heating floor ground wire enters switch board interface 41 and PT100 temperature sensor enters switch board interface 42.
Built-in type upper cover plate 7 is the embedded cover plate of 60mm*30mm*5mm, and convenient from front-face maintaining, upper cover plate 7 sealing ring carries out waterproof sealing.
As shown in Figure 4, described heating floor is also provided with total RCCB, and total RCCB is connected with multiple regions RCCB by A.C. contactor; Total RCCB is also connected with PLC and temperature detecting module by power frequency isolation transformer, and PLC is connected with man-machine interactive platform (touch-screen) with temperature detecting module; Multiple regions RCCB is connected with each self-corresponding region solid-state relay respectively, and each region solid-state relay is connected with each self-corresponding region heating floor respectively; Multiple regions RCCB is connected in parallel on A.C. contactor.
Described PLC and temperature detecting module control regional solid-state relay by pwm pulse, and control regional heating floor by PT100 analog signal.
As preferred embodiment, described total RCCB is total RCCB of 100 milliamperes of 0.04 second actuation times; Region RCCB is the region RCCB of 30 milliamperes of 0.04 second actuation times.Total RCCB not only protects in electronic box the potential safety hazard brought of leaking electricity, and can also carry out second protection to heating floor.The personal safety well protecting user break time of the leakage current that region RCCB is 30 milliamperes and 0.04 second, avoids the generation of contact.
As preferred embodiment, described power frequency isolation transformer rated capacity is 50W-200KW; Dielectric voltage withstand AC2KV/1min; Insulation impedance is greater than 100M Ω; Degree of protection is IP20 (CE standard); Described region RCCB rated current is 6A-125A; Sensitivity is 30MA; The maximum actuation time is 0.04 second; Meet IEC60947-2/GB14048.2 standard, prevent heating floor from leaking electricity.Described region solid-state relay carries out constant temperature PID adjustment, and rated voltage is AC230V, and rated current is 6A-125A; Described heating floor inside, region adopts PT100 heat sensor to carry out temperature detection control, when temperature sensor or temperature control system break down cause heat to rise to 70 DEG C time, crossing thermal cut-off, to carry out overheated fusing (be reliable, 2 thermal cut-ofves are set), prevent disasters and occur further.When heating film electric current is greater than normal current 1.5 times, heating film overcurrent fuse cuts off heating film power supply automatically, and prevent disasters generation.The rated power of described region heating floor is 480W/M2; Rated voltage AC220V, crosses thermal fuse and fuses 70 ± 2 DEG C time.
Introduce the main performance index of the heating floor described in the application below:
Heating power:
The power of single heating film is more than 350W/ ㎡, and overall power is more than or equal to 7kw, and access voltage is 220VAC
Mechanical performance:
Static load:
The uniform vertical load of 6.5KN/m2, the concentrfated load of 2KN on 300mm × 300mm area.
Dynamic load:
Between the honeycomb on floor and aluminium sheet, between aluminium sheet and aluminium beam, floor joint place can stand 2Hz under 160kg/m2 load density, 1,000,000 fatigue tests, and aluminium sheet and the distortion of aluminium beam do not allow to exceed Appearanceindex; The defects such as fuse has not allowed fuse fracture, node disengagement, fuse contraction, fuse fold, fuse crumple, the disengagement of core splice seam.
(normative reference GJB130.9-1986,170 ± 10N,10H,z50 ten thousand times, alternate load without damage, exemplar size 76X500, span 236mm)
Fatigue strength:
1000 ± 350N, 10Hz, 500000 alternate loads are without damage, and test method is according to the four-point bending test method of ASTMC393, and exemplar size is 76mm × 500mm, and span is 236mm.
Plate-core peel strength:
According to GB/T1453-2005: >=45Nmm/mm;
Plate-plate peel strength
According to GB/T1453-2005: >=45Nmm/mm,
Compression strength:
According to GB/T1453-2005: >=2Mpa;
Tensile strength:
Meet standard GB/T1452-2005: >=3.5Mpa;
Shear:
Meet standard GB/T1455-2005 standard, >=0.5mp;
Shock resistance:
Experimental standard ISO4211-4:1998, meets and impacts more than class 4 level;
Sound insulation value:
Product has sound insulation and decrease of noise functions, effectively can stop the upwards transmission of noise.
Heat-proof quality:
Product has good heat-proof quality, effectively can stop the going down of heat energy.
Every magnetic property:
Because electric elements are all pre-buried in the inside of product, upper strata is covered by the aluminium sheet of 2mm, has therefore effectively intercepted electromagnetic interference.
Electric leakage, overtemperature protection performance:
Electric leakage: because electric elements are all pre-buried in the inside of product, the material of heating floor is insulating materials, the outside glue that uses is sealed, and therefore leaky is few, for preventing electric leakage further, needs to increase RCCB in control circuit.
Overtemperature protection: composite heating carries overheat protective function in floor, when temperature controller invalid temperature is too high, the fusible link of heating floor inside will fuse automatically, avoids breaking out of fire equivalent risk.
Water resistance:
Integral product needs waterproof, and because failing to find the national regulation of waterproof aspect, product is soaked 72h by my company in water, switches on power after air-dry, and product did not lose efficacy.
Fire protecting performance:
The product that does meets TB/T3237 EMUs built-in material flame-retarded technology condition (People's Republic of China's railroad industry standard);
Heating floor described in the utility model is not only applicable to rooms, and the EMUs being also applicable to train particularly speed per hour more than 250 kilometers use as heating floor.
The course of work of described heating floor is:
1 connects regulation power supply, and burning voltage inputs.
2 temperature control composition casees are started working, and floor power line connected by relay.
Heat up in 3 floors, temperature detect switch (TDS) is started working.
4 arrive design temperature scope, temperature detect switch (TDS) cutting-off controlling circuit.
5 relays do not work, and floor stops heating up.
6 floor temperature are lower than setting range, and control circuit connected by temperature detect switch (TDS).
7 relays task again, heating up again in floor, goes round and begins again.
In sum, be the utility model embodiment content, and obvious embodiment of the present utility model is not limited in this, it according to different application environment, can utilize functional realiey corresponding demand of the present utility model.
Claims (10)
1. a heating floor, is characterized in that, comprising: aluminium sheet, upper strata epoxy resin board, heating film, middle level epoxy resin board, aramid fiber cellular board and underlying epoxy plate, and periphery adopts edge sealing sectional material sealing, and uses glue to fill a vacancy; One lateral edges of this heating floor is provided with through hole, is provided with binding post pcb board in this through hole, and this binding post pcb board upper surface is provided with PT100 thermal resistance and thermal cut-off, and built-in type upper cover plate covers the top of binding post pcb board; This binding post pcb board lower surface is provided with PT100 binding post and heater wire binding post, overcurrent protective device is provided with between PT100 binding post and heater wire binding post, exposed lower cover is arranged on the bottom of binding post pcb board, this exposed lower cover central part is provided with hollow groove, hollow groove inside perfusion marine glue; The side of this exposed lower cover is provided with power supply lead wire hole and PT100 thermal resistance fairlead, and the upper surface of this exposed lower cover is provided with waterproof pad.
2. heating floor according to claim 1, is characterized in that, the inner filling heat-conductive silica gel of described built-in type upper cover plate carries out heat trnasfer.
3. heating floor according to claim 2, it is characterized in that, described heating floor employing gross thickness is the sandwich sandwich of 19.5 ± 0.2mm, wherein said aluminium plate thickness is 2mm, upper strata epoxy resin plate thickness is 0.5mm, and heating film thickness is 0.3mm, and middle level epoxy resin plate thickness is 1.5mm, aramid fiber cellular board thickness is 13.5mm, and underlying epoxy plate thickness is 1.5mm.
4. heating floor according to claim 3, it is characterized in that, described heating film adopts carbon fiber heating film, by temperature controller centralized Control, when floor temperature is more than 35 DEG C, temperature switch disconnects automatically, restarts heating when floor temperature closes floor lower than temperature detect switch (TDS) when 25 DEG C.
5. heating floor according to claim 4, is characterized in that, is provided with spring binding post in pcb board draw-in groove; Upper strata waterproof sealing rubber cushion and built-in type upper cover plate is provided with above pcb board draw-in groove; Side is provided with electric heater fire-wire interfaces, electric heater interface of the ground wire, PT100 temperature sensor interface and thermal cut-off interface; Be provided with lower floor's waterproof sealing rubber cushion and exposed lower cover below, exposed lower cover central part is provided with hollow groove, hollow groove inside perfusion marine glue; Exposed lower cover side is provided with electric heating floor live wire and enters switch board interface, and electric heating floor zero line enters switch board interface, and electric heating floor ground wire enters switch board interface and PT100 temperature sensor enters switch board interface.
6. heating floor according to claim 5, is characterized in that, built-in type upper cover plate is the embedded cover plate of 60mm*30mm*5mm, carries out waterproof sealing with sealing ring.
7. heating floor according to claim 6, is characterized in that, described heating floor is also provided with total RCCB, and total RCCB is connected with multiple regions RCCB by A.C. contactor; Total RCCB is also connected with PLC and temperature detecting module by power frequency isolation transformer, and PLC is connected with man-machine interactive platform with temperature detecting module; Multiple regions RCCB is connected with each self-corresponding region solid-state relay respectively, and each region solid-state relay is connected with each self-corresponding region heating floor respectively; Multiple regions RCCB is connected in parallel on A.C. contactor.
8. heating floor according to claim 7, is characterized in that, described PLC and temperature detecting module control regional solid-state relay by pwm pulse, and control regional heating floor by PT100 analog signal.
9. heating floor according to claim 8, is characterized in that, described total RCCB is total RCCB of 100 milliamperes of 0.04 second actuation times; Region RCCB is the region RCCB of 30 milliamperes of 0.04 second actuation times.
10. heating floor according to claim 9, is characterized in that, described power frequency isolation transformer rated capacity is 50W-200KW; Dielectric voltage withstand AC2KV/1min; Insulation impedance is greater than 100M Ω; Described region RCCB rated current is 6A-125A; Sensitivity is 30MA; The maximum actuation time is 0.04 second; Described region solid-state relay carries out constant temperature PID adjustment, and rated voltage is AC230V, and rated current is 6A-125A; Heating floor inside, described region adopts PT100 heat sensor to carry out temperature detection control, when temperature sensor or temperature control system break down cause heat to rise to 70 DEG C time, cross thermal cut-off and carry out overheated fusing; When heating film electric current is greater than normal current 1.5 times, heating film overcurrent fuse cuts off heating film power supply automatically; The rated power of described region heating floor is 480W/M2; Rated voltage AC220V, crosses thermal fuse and fuses 70 ± 2 DEG C time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520710104.1U CN204962933U (en) | 2015-09-14 | 2015-09-14 | Heating floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520710104.1U CN204962933U (en) | 2015-09-14 | 2015-09-14 | Heating floor |
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| Publication Number | Publication Date |
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| CN204962933U true CN204962933U (en) | 2016-01-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520710104.1U Withdrawn - After Issue CN204962933U (en) | 2015-09-14 | 2015-09-14 | Heating floor |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115020A (en) * | 2015-09-14 | 2015-12-02 | 中山市科力高自动化设备有限公司 | Heating floor |
-
2015
- 2015-09-14 CN CN201520710104.1U patent/CN204962933U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115020A (en) * | 2015-09-14 | 2015-12-02 | 中山市科力高自动化设备有限公司 | Heating floor |
| CN105115020B (en) * | 2015-09-14 | 2017-11-28 | 中山市科力高自动化设备有限公司 | A kind of heating floor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Heated floor system and method Effective date of registration: 20170622 Granted publication date: 20160113 Pledgee: China Everbright Bank Co., Ltd. Zhongshan branch Pledgor: Zhongshan Keligao Automation Equipment Co., Ltd. Registration number: 2017440020014 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160113 Effective date of abandoning: 20171128 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180801 Granted publication date: 20160113 Pledgee: China Everbright Bank Co., Ltd. Zhongshan branch Pledgor: Zhongshan Keligao Automation Equipment Co., Ltd. Registration number: 2017440020014 |