CN2054791U - Small energy-saving enamelling tin apparatus - Google Patents

Abstract

The utility model relates to a small energy-saving enamelling tin apparatus. The small energy-saving enamelling tin apparatus is an electric heater device which is suitable for enamelling and welding of the small part, the wire, the electronic component leading wire and the small piece of printing plate with a component. The small energy-saving enamelling tin apparatus is mainly composed of a casing, a tin pot, an electric heating device, an annular discoid type board, a bottom plate, a heat insulating material, a temperature control circuit board and a box hood of the temperature control circuit board. The utility model has the advantages of light and small body, controllable temperature, convenient use and carrying, excellent energy saving, and low cost.

Description

Small energy-saving enamelling tin apparatus

The utility model relates to a kind of electric heater unit, specifically is meant a kind of small energy-saving enamelling tin apparatus.

The known tin equipment of warding off, a class are that common electric heating lands putting type, and its volume is big, power big and power consumption is many, and the tin of warding off that generally is used for the printing plate of big component or charged sub-components and parts is warded off weldering; Another kind ofly ward off the tin machine for ultrasonic wave, be applicable to lead-in wire oxidized electronic devices and components ward off tin.This two class is warded off tin equipment and is warded off weldering if be used for the tin of warding off of general lead and electronic component down-lead, then seem uneconomical and inconvenient flexible, therefore typically using with electric iron or electric furnace is that the tin pot of thermal source carries out, yet it is this with using the weak point of warding off the tin device to be with piecing together, low and the molten tin of thermo-efficiency is slow, and operation simultaneously owes convenient, temperature is non-adjustable and it is dangerous to use.

The purpose of this utility model, then provide the energy-saving type small electrical thermic devices that a kind of fritter printing plate that is exclusively used in small-sized component, lead, electronic component down-lead and band components and parts is warded off tin or warded off weldering, make it both can as basic hand tools, use easily and carry, special again power and energy saving, and cheap.

The solution of this small energy-saving enamelling tin apparatus, be in a small-sized cylindrical case that has a base plate, to place a tin pot that holds metallic tin, the installing of tin pot bottom is as the electrothermal device of thermal source, flanged ring discoid formula panel on every side of cylindrical case and tin pot top stationary installation as operative end surface, perforate allows tin pot top is mouthful open wards off the weldering operation to ward off tin outside in the middle of the ring discoid formula panel, tin pot and electrothermal device and shell, take provision for thermal insulation and the liner thermal insulation material between base plate and the ring discoid formula panel comprehensively, temperature-adjusting circuit plate of the fixing installing in shell side to the electrothermal device power supply, the power outlet of electrothermal device is drawn out on the temperature-adjusting circuit plate from the shell side, but the temperature-adjusting circuit plate box cover that double as handgrip is used covers the temperature-adjusting circuit plate, with plan safety.

Take the enamelling tin apparatus of said structure, not only the type body is gently little, and its flanged ring discoid formula panel can hold that refuses such as tin quarrel that operation the time produces at any time abandon in last, to keep the clean and tidy of working space; But its temperature-adjusting circuit plate box cover double as handgrip is guided and supported; Its temperature-adjusting circuit plate can be installed temperature-adjusting circuit according to actual needs, makes molten tin fast, thereby shortens operation setup time, suitable wards off the quality that Xi Wendu has also guaranteed to ward off tin, so its uses very convenient and flexible.And around tin pot and electrothermal device tight liner thermal insulation material, then fully improved the thermo-efficiency of this heating unit, thereby saved electric energy relatively.Because the little material therefor of the utility model device volume is few, therefore cheap, be beneficial to and promote the use of.

Below in conjunction with drawings and Examples the utility model is described in detail.

Fig. 1 is the structure iron of a kind of specific embodiment of the present utility model;

Fig. 2 is the another kind of structure iron of the tin pot among Fig. 1 embodiment;

Fig. 3 is the structure iron of another kind of specific embodiment of the present utility model;

Fig. 4 structure iron that to be the utility model be made of one ring discoid formula panel and shell;

Fig. 5 adopts general ohmic resistance to make the electrical schematic diagram of electrothermal device;

Fig. 6 adopts PTC heater to make the electrical schematic diagram of electrothermal device.

Reference numeral among Fig. 1 to Fig. 6 is: 1, and ring discoid formula panel; 2, the tin pot; 3, electrothermal device; 4, thermal insulation material; 5, power switch K; 6, the temperature-adjusting circuit plate; 7, temperature-adjusting circuit plate box cover; 8, power lead; 9, attaching plug; 10, thermal insulation material; 11, base plate; 12, leg; 13, shell; 14, the tubular cavity; 15, heat-conducting cylinder; 16, connection terminal; 17, temperature-adjusting circuit.

In Fig. 1, the flanged tin pot in top (2) has and is opened on bottom surface and the upwards perpendicular cavity of putting, for electrothermal device (3) usefulness of settling general ohmic resistance, after electrothermal device damages, can open base plate (11) and temperature-adjusting circuit plate box cover (7) is changed.The shallow cavity of dark dress tin on every side in the middle of the inner formation of tin pot (2), generally ward off tin and ward off the not lead-in wire of long lead, component and electronic devices and components of weldering position, can place any position operation of tin pot (2) end face, it is warded off tin and wards off the weldering position when longer, then can be deep into the edge depths operation of keeping to the side of tin pot (2).Fig. 1 embodiment adopts electrical schematic diagram that general ohmic resistance R makes electrothermal device (3) as shown in Figure 5, wherein resistance R adopts general nichrome wire, temperature-adjusting circuit (17) is contained on the temperature-adjusting circuit plate (6), power switch K(5) be contained in temperature-adjusting circuit plate box cover (7) and go up (referring to Fig. 1), temperature-adjusting circuit (17) can adopt general silicon-controlled voltage regulation circuit or other regulating circuit.Tin pot (2) among Fig. 1 embodiment also can adopt the structure formation of Fig. 2, be characterized in, tin pot (2) inner bottom that the top has flange has the tubular cavity (14) that is opened on side and arranged transversely, tubular cavity (14) opening faces the direction of temperature-adjusting circuit plate box cover (7) during installation, offer the hole that faces with tubular cavity (14) opening on shell (13) and the thermal insulation material (4), so just the electrothermal device (3) of tubular can be inserted in the tubular cavity (14) from the shell side, after electrical heating element damages, change after can taking off temperature-adjusting circuit plate box cover (7).

In the embodiment of Fig. 2, tin pot (2) is the flanged straight tubular in top, at tin pot (2) and on every side between the thermal insulation material (4), be close to tin pot (a 2) outer wall sliding sleeve unification heat-conducting cylinder (15), the space of being close to heat-conducting cylinder (15) inner bottom surface and tin pot (2) outer bottom, install a PTC heater in the form of sheets and make electrothermal device (3), the aperture that the power supply lead wire of PTC heater is offered from heat-conducting cylinder (15) is drawn, and heat-conducting cylinder (15) adopts metal or the good material manufacturing of other thermal conductivity.Because the end face and the bottom surface of PTC heater (3) fit with the outer bottom of tin pot (2) and the inner bottom surface of heat-conducting cylinder (15) respectively, and the outer wall of the inwall of heat-conducting cylinder (15) and tin pot (2) fits, so the heat that distributes of PTC heater (3) can pass to each position of tin pot (2) effectively.Because tin pot (2) and heat-conducting cylinder (15) sliding sleeve mutually close, so, only need tin pot (2) is upwards put forward and can carry out when changing PTC heater (3).The PTC heater volume is little, has the not characteristic of constant temperature heating with the variation of voltage of supply height and envrionment temperature, the molten greatly tin of power is fast when the tin pot is in cold conditions, the enamelling tin apparatus made from this embodiment has characteristics such as small-sized, energy-conservation, safe and convenient equally, is its unique distinction and do not need thermoregulation circuit just can keep the tin temperature constant.Fig. 6 is exactly that Fig. 2 embodiment adopts PTC heater to make the electrical schematic diagram of electrothermal device (3), need not temperature-adjusting circuit among the figure, therefore temperature-adjusting circuit plate (6) can be used for device connection terminal (16), and power switch (5) is still and is contained on the temperature-adjusting circuit plate box cover (7).PTC heater also can be contained in the vertical cavity in bottom of tin pot of the sort of structure shown in Fig. 1 embodiment, and vertical cavity is made cube just like the PTC heater size, then can conduct heat directly for without heat-conducting cylinder the tin pot, the electrical schematic diagram of this embodiment also as shown in Figure 6.

Ring discoid formula panel of the present utility model (1) also can be made of one structure as shown in Figure 4 with shell (13).This integrative-structure is as the criterion to adopt little material of heatproof and thermal conductivity such as pottery or plastics manufacturing.Be also shown in by Fig. 1 and Fig. 3, influence the work of temperature-adjusting circuit plate, also pad thermal insulation material (10) between shell (13) and temperature-adjusting circuit plate (6) in order not make the enamelling tin apparatus internal high temperature.Electrothermal device of the present utility model is if press civil power designs, and the tin outer wall of wall must weld out ground lug (line), during use with its good earth.

Claims (5)

1, a kind of small energy-saving enamelling tin apparatus that belongs to electric heater unit, the electrothermal device (3) that comprises the installing of tin pot (2) and tin pot (2) bottom, it is characterized in that, tin pot (2) is placed on small-sized cylindrical case (a 13) inside that has base plate (11), flanged ring discoid formula panel (1) around one of shell (13) and tin pot (2) the top stationary installation, perforate makes tin pot (2) top mouth outside open in the middle of the panel (1), tin pot (2) and electrothermal device (3) and shell (13), liner has thermal insulation material (4) between base plate (11) and the panel (1), the fixing installing in shell (a 13) side temperature-adjusting circuit plate (6), the power outlet of electrothermal device (3) is drawn out on the temperature-adjusting circuit plate (6) from shell (13) side, but the temperature-adjusting circuit plate box cover (7) that double as handgrip is used covers temperature-adjusting circuit plate (6).

2, enamelling tin apparatus as claimed in claim 1, it is characterized in that described tin pot (2) top flanged pin and it have is opened on bottom surface and the upwards perpendicular cavity of putting, settle general ohmic resistance R as electrothermal device (3) in the cavity, temperature-adjusting circuit (17) is housed on the described temperature-adjusting circuit plate (6).

3, enamelling tin apparatus as claimed in claim 2, it is characterized in that tin pot (2) inner bottom that described top has a flange has the tubular cavity (14) that is opened on side and arranged transversely, tubular cavity (14) opening faces the direction of described temperature-adjusting circuit plate box cover (7) during installation, offer the hole that faces with tubular cavity (14) opening on shell (13) and the thermal insulation material (4), general ohmic resistance R inserts in the tubular cavity (14) from shell (13) side as electrothermal device (3).

4, enamelling tin apparatus as claimed in claim 1, it is characterized in that described tin pot (2) is the flanged straight tubular in top, at tin pot (2) and on every side between the thermal insulation material (4), be close to tin pot (a 2) outer wall sliding sleeve unification heat-conducting cylinder (15), the space of being close to heat-conducting cylinder (15) inner bottom surface and tin pot (2) outer bottom, install a PTC heater in the form of sheets and make electrothermal device (3), connection terminal (16) is housed on the described temperature-adjusting circuit plate (6).

5,, it is characterized in that described ring discoid formula panel (1) and shell (13) being made of one structure as the described enamelling tin apparatus of claim 1 to 4.