CN2804687Y

CN2804687Y - Double-casing heat pipe electrical warmer

Info

Publication number: CN2804687Y
Application number: CN 200420113544
Authority: CN
Inventors: 王洪发
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-11-19
Filing date: 2004-11-19
Publication date: 2006-08-09
Anticipated expiration: 2014-11-19

Abstract

The utility model relates to a heat pipe electrical warmer with double box bodies, which belongs to the field of household appliances. The utility model is characterized in that the utility model adopts two heat pipe boxes which are arranged tandem and share a box heat pipe which is U-shaped tail tube; the U-shaped tail tube is parallel to the lower parts of the two heat pipe boxes; the lower sides of lining boards of two heat pipe boxes are respectively in a V-shaped structure which is inserted into the U-shaped tail tube; a ventilated cavity which has the sealed circumference and is communicated up and down is respectively formed between the two heat pipe boxes, among the heat pipe boxes, a radiation fin and an outer cover. The utility model has the advantages that the power is low, namely that the power with 300 to 800W can satisfy the heating requirement for all areas in winter; the thermal efficiency is high, namely that the temperature of a machine core is 100 to 120 DEG C and the temperature of the outer cover is 50 to 60 DEG C; the heating time is less, namely that the time from the cold state to the thermal state only needs 3 to 5 minutes; the operation is safe and reliable, namely that the negative pressure is formed in the cold state, and the internal pressure can not exceed 0.02Mpa in the thermal state. Thereby, the utility model can be used for supplying the heating to various occasions in winter, such as residential buildings, enterprises, factories, mines, schools, hospitals, etc.

Description

Two casing heat pipe electric heaters

Technical field: the utility model belongs to household appliance technical field, uses two casing heat pipe electric heaters that " casing heat pipe " know-why is succeeded in developing.

Background technology: the electric heater ubiquity of manufacturing with conventional method power height (800-2000W), is grown (10-30 branch), manufacture technology complexity, the high shortcoming of cost to hot heat time heating time from cold conditions in the market.Chinese invention patent application 031341373 " the high heat of casing heat pipe and seriation thereof is imitated the heat exchanger product " for we have showed a kind of new heat pipe with multidirectional heat conduction function-----casing heat pipe, receives domestic and international relevant person's fervent concern.But with single casing heat pipe electric heater that " casing heat pipe " technology is manufactured, under lower powered situation, electric heater can produce " cold angle " phenomenon.

Summary of the invention: the two casing heat pipe electric heaters of the utility model have been given full play to the advantage that heat pipe for thermal conductivity speed is fast, the thermal efficiency is high, have overcome the shortcoming of manufacturing electric heater with conventional method, have remedied the deficiency of manufacturing electric heater with the casing hot pipe technique.The utility model is made up of two heat pipe casees, heat pipe case cavity, two casing heat pipe U type tail pipe, composite work medium, fin, thermostat, dry type heating rod and outer cover etc., is negative pressure during cold conditions, is pressed in the 0.02Mpa in when hot, and is safe and reliable to operation.It is characterized in that: adopt tandem two heat pipe casees, shortened the heat conduction distance dexterously, increased heat-conducting area, eliminated " cold angle " phenomenon; Two shared casing heat pipe U type tail pipes of heat pipe case, U type tail pipe is parallel with two heat pipe lower box parts, and hot conduction resistance is little, and back-flow velocity is fast; The following V-shaped structure of two heat pipe case back veneers, V-structure are inserted in the U type tail pipe, have guaranteed that two heat pipe casees are heated evenly; Adopt the dry type heating means, be convenient to manufacture and keep in repair; Between two heat pipe casees, several ventilation housings of sealing around having formed between heat pipe casing, fin and the outer cover, up/down perforation make the convection current swimmingly of hot and cold air, have accelerated radiating rate.

In sum, two casing heat pipe electric heaters of the utility model and compare with the electric heater that conventional method is manufactured, it is low to have power: 300-800W can satisfy each department winter heating needs; Thermal efficiency height: 100-120 ℃ of movement temperature, envelope temperature 50-60 ℃; Heat time heating time is few: need 3-5 minute from cold conditions to hot; Safe and reliable: be negative pressure during cold conditions, the interior pressure is no more than 0.02Mpa when hot; Technology is simple, manufactures low cost and other advantages.Compare with the single casing heat pipe electric heater that adopts the casing hot pipe technique to manufacture, shortened the heat conduction distance, increased heat-conducting area, eliminated " cold angle " phenomenon.The winter heating that can be used for various occasions such as residential building, machine-operated factories and miness, school, hospital.

Description of drawings: accompanying drawing 1 is two casing heat pipe electric heater schematic diagrams, and 1 is heat pipe case A among the figure, and 2 is heat pipe case B, and 3 are the spot welding groove, 4 is closed fin, and 5 is open fin, and 6 is vacuum-pumping tube, 7 is the heating rod sleeve pipe, and 8 is the heating rod hole, and 9 is two casing heat pipe U type tail pipes.

Accompanying drawing 2 is Figure 1A-A line profile, and 1 is heat pipe case A among the figure, and 2 is heat pipe case B, 5 is open fin, 10 is heat pipe case cavity, and 11 is heat pipe case back veneer, and 12 is heat pipe case outside plate, 13 is silencing means, 14 is composite work medium, and 15 is the V-structure of two heat pipe case back veneer bottoms, and 7 is the heating rod sleeve pipe, 8 is the heating rod hole, and 9 is two casing heat pipe U type tail pipes.

Accompanying drawing 3 is Figure 1B-B line profile, and 5 is open fin among the figure, and 4 is closed fin, and 2 is heat pipe case B, and 1 is heat pipe case A, and 3 are the spot welding groove, and 10 is heat pipe case cavity, and 11 is heat pipe case back veneer, and 12 is heat pipe case outside plate.

Accompanying drawing 4 is the electrical schematic diagram of the two casing heat pipe electric heaters of the utility model, and L, N are the 220V power supply among the figure, and E is an earth connection, and KT is a thermostat, and XF is an earth leakage protective device, and R is a dropping resistor, and HL is an indicator lamp, and EH is an electrically heated rod.

Accompanying drawing 5 is the two casing heat pipe electric heater front views of the utility model, and 16 is outside jacket plates among the figure, and 17 is netted radiating cap, and 18 is hold-down screw, and 19 for landing support, and 20 is the louvre type fresh air inlet, and 21 is indicator lamp, and 22 is thermostat, and 23 is outlet.

The specific embodiment: following, in conjunction with the accompanying drawings, an embodiment of the two casing heat pipe electric heaters of the utility model is described.

Preparation: remove the grease on the metallic plate, shear metallic plate, suppress required shape and grooves such as two casing heat pipe casees and electric heater outer cover with particular manufacturing craft by the size that designs.

Manufacture two casing heat pipe casees: at first (Fig. 2-12) welded closure formula fin (Fig. 1-4) and open fin (Fig. 1-5) on two heat pipe case outside plates, respectively back veneer (Fig. 2-11) and the outside plate (Fig. 2-12) of heat pipe case A (Fig. 2-1) and heat pipe case B (Fig. 2-2) are pressed the figure alignment then, with each spot welding groove of mash welder spot welding (Fig. 3-3) that the back veneer and the outside plate of heat pipe case is welded together, around the last sweating heat bobbin carriage.After the heat pipe case welds respectively, the back veneer of two heat pipe casees is relative with back veneer, be placed on the weld holder, the following alignment back of back veneer V-shaped (Fig. 2-15), the back veneer in the V-type lower end with two heat pipe casees welds together, V-shaped structure.

Manufacture two casing heat pipe U type tail pipes: simmer system U type tail pipe body (Fig. 1-9, Fig. 2-9) with a metallic plate, one of U type tail pipe welds with the metallic plate shutoff, a circular hole is opened in position in shutoff lower middle, other end, at circular hole place weld heating rod sleeve pipe, (also shutoff welding of the inside of heating rod sleeve pipe, form the environment of dry type heating), and the tail pipe shutoff that will be welded with the heating rod sleeve pipe is welded on the U type tail pipe.The silencing means (Fig. 2-13) of packing into after U type tail pipe welds.

The two casing heat pipe electric heater movements of assembling: at first will make the following and casing heat pipe U type tail pipe alignment of ready-made pair of casing heat pipe case outside plate, U type tail pipe inserts 5-8mm in two casing heat pipe case outside plates, and welds.Locate to bore an aperture at the outside plate (Fig. 1-6) of heat pipe case A (Fig. 1-1) then, on aperture, weld vacuum-pumping tube (Fig. 1-6).

Leak test, dress working medium vacuumize: connect pressure vacuum meter on Fig. 1-6 vacuum-pumping tube, suppress leak test, affirmation does not deflate after having leakage, vacuumizes, and when vacuum reaches 0.05Mpa, the composite work medium for preparing is sucked, and continues then to vacuumize.After vacuum reaches requirement, shut with Sealing pliers and to vacuumize the mouth of pipe and weld.

The two casing heat pipe electric heaters of assembling: at first hold in both hands (Fig. 1-8) insertion electrically heated rod in the hole in the heating of two casing heat pipe electric heater movements, connect electric parts by Fig. 4 electrical schematic diagram, install outside jacket plates, land support, fix netted radiating cap, so far, the two casing heat pipe electric heaters of the utility model have just been carried out.

Claims

1, a kind of pair of casing heat pipe electric heater is made up of heat pipe case, heat pipe case cavity, casing heat pipe tail pipe, working medium, fin, thermostat and outer cover, it is characterized in that: adopt tandem two heat pipe casees; Two shared casing heat pipe U type tail pipes of heat pipe case, U type tail pipe is parallel with two heat pipe lower box parts; Two following V-shaped structures of heat pipe case back veneer, V-structure inserts in the U type tail pipe; Between two heat pipe casees, the ventilation housing of sealing around forming between heat pipe casing, fin and the outer cover, up/down perforation.