CN2369809Y - Super low safety voltage low power consumption high efficiency electric iron - Google Patents

Abstract

The utility model relates to an ultra-low safe voltage low power consumption high efficiency electric soldering iron, which is composed of a heater, a sleeve pipe, a terminal wire, a terminal lead-out terminal, a support frame, a soldering iron head, a radiating pipe, a positioning pipe, a nut, a fastening connecting plate and a connecting body which are connected together. The connection relation of the elements is as follows: the heater is tightly sheathed with the soldering iron head, and the sleeve pipe is sheathed on the terminal wire. The heater is fixedly connected with the lead-out terminal by the terminal wire and is connected with an outer power supply, and the lead-out terminal of the terminal is inlaid in an upper slot of the support frame. The soldering iron head and the radiating pipe are in sleeve joint, and the heater is connected with a handle by the support frame. The radiating pipe is fixedly connected with the connecting plate, and the soldering iron body is fixedly connected with the handle by the connecting body. The soldering iron adopts ultra-low safe voltage and low power consumption, and has the advantages of fast heating, high efficiency, small power, high operating temperature, easy change of the soldering iron, easy change of the heater, etc.

Description

The efficient electric iron of ultralow safe voltage low-power consumption

The utility model is the efficient electric iron of ultralow safe voltage low-power consumption, belongs to appliance tool.

Electric iron is a kind of expendable soldering appliance commonly used greatly that belongs to, and is widely used in the industry that electronic apparatus etc. relates to electronic devices and components and general small-sized parts welding.Because consumption is big, is the electric heating appliance of the high consuming electric power of a class.In the prior art, the heat form of electric iron heater roughly can have following several according to how many arrangements of its consumption: nickel-chromium silk or similar iron-heater, ceramic heater and PTC thermistor heaters such as chromium silk.Because they show the advantage that it is unique separately, people can only be selected according to the problems such as economic worth that its applicable scope, production technology limit and commercialization must at first be considered.Above-mentioned three kinds of heaters differ from one another, and the strip heater outstanding feature is that cost is low, and manufacturing process is easy, and the heating power range of choice is wide, and especially the flatiron heater of high power high-temperature compares with other heater that its shortcoming is that volume is big, the life-span is short.(＜50W) strip heater can be handled by certain technology, structure, improves the life-span as for small-power.Ceramic heater and PTC thermistor heater have feature of long life, but cost is higher, and the power control range is little, PTC electric iron especially, and its weldering is chewed temperature and is up to 300～340 ℃, and heat load capacity that must tight design heater.Because its heating power is general all about 10W, in this case, it must be speed heat and can just can reach by automatic constant-temperature.This electric iron can adapt to the accurate welding of PC plate, but seem powerless for Electronics Factory's production line or big heat load parts welding, because under this occasion, weldering is chewed temperature and is generally required at 400450 ℃, and should have the thermal capacity of corresponding thermal compensation ability.In fact, being in great demand of electric iron that has this ability.End is got up, and its basic characteristics requirement is: 1, adopt heating wire (Ni-Cr, Fe-Cr etc.) heater or ceramic heater; 2, rated voltage AC24V or 220V, power consumption output 50～60W; 3,400～480 ℃ of temperature are chewed in weldering.

The purpose of this utility model is exactly often to have the flatiron heater volume of the high power high-temperature in the electric iron big in order to overcome and to solve to have now, life-span is short, and ceramic heater and PTC thermistor heater cost height, and ptc heater power control range is little, low shortcoming and the problem that waits of operating temperature, a kind of low consumpting power of research and design again can Fast Heating heater and solder horn (weldering is chewed), has fast thermal effect, power control temperature range is big, can reach high operating temperature fast, and backheating function and high thermal compensation ability are rapidly arranged, volume is little, cost is low, the efficient electric iron of ultralow safe voltage low-power consumption that life-span is long.

The utility model is realized by following structure technology scheme: the heater of the efficient electric iron of ultralow safe voltage low-power consumption and the structural representation of bearing support as shown in Figure 1, the overall structure schematic diagram of the efficient electric iron of ultralow safe voltage low-power consumption is as shown in Figure 2.It by the groove of inlaying the heater exit 5, heater electric terminal exit 6 in heater 1, heater electric terminal exit sleeve pipe 2, heater electric terminal lead and power supply input lead 3,4, the bearing support, connect heater and patch handle bearing support 7, solder horn (weldering is chewed) 8, radiating tube 9, positioning pipe 10, lock nut 11, be fastenedly connected plate 12, electric iron main body and flatiron handle connected body 13 and connect and compose jointly.Its interconnected relationship is: heater 1, inner tubal wall closely socket mutually with solder horn 8, heater electric terminal exit sleeve pipe 2 packs into heater electric terminal lead 3 respectively, 4, heater 1 is by its electric terminal lead 3 and heater electric terminal exit 6 Joints, and be electrically connected mutually with external power, heater electric terminal exit 6 is embedded in the groove 5 of bearing support 7, solder horn and radiating tube socket-connect, heater 1 by bearing support 7 with patch handle and be connected, heater core sets up positioning pipe 10 and radiating tube 9 location, radiating tube 9 by lock nut 11 with to be fastenedly connected plate 12 affixed, by heater 1, bearing support 7, solder horn (weldering is chewed) 8, the electric iron main body that radiating tube 9 constitutes is connected with the flatiron handle by connected body 13; Wherein: heater 1 be can be in the short time after a kind of energising adequate heat capacity being arranged and has that strong heat is supplied with and the small-sized small-power heater of compensation solder horn (weldering is chewed) of Fast Heating, for example: rated voltage 6～12V (DC or AC), consumed power 6～12W, molten tin (Sn60%) time of energising back is 10～15 seconds, solder horn (weldering is chewed) operating temperature is 400～480 ℃, molten tin (Sn60%, Φ 1.5mm tin) ability 450～500mm/ minute; Solder horn (weldering is chewed) the 8th, individual can fully the absorption also heat can have reach the solder horn of optimal adaptation as operating loads such as solder horn temperature and thermal capacity and thermal compensation abilities, it is similar to the light wall pipe of working end one end sealing, the solder horn diameter of inner pipe is slightly larger than the external diameter of heater, can reach best thermal coupling with heater, the length of the pipe degree of depth and heater 1 is close in the solder horn, the molten tin end profile of its work is by the decision of molten iron head series shape requirement, and it is interchangeable solder horn (weldering is chewed) series of a cover fast changeable, and it is the part in order to the main body of implementing the efficient electric iron welding of low-power consumption entity that can form one with heater 1; Bearing support 7 is tabular, bar-shaped, a tube with high strength, high insulation, its can with apply on the parts copper, around junction electrode, lead connect, various wiring forms such as screw is affixed firmly are supported on flatiron handle or the handle connector realizing on the bearing support that the heater electric terminal is connected also with power supply electrical input.

The utility model is compared following advantage and beneficial effect with the existing general conventional electric iron that uses: (1) has adopted the ultralow safe voltage of human body safety; (2) low consumpting power but can Fast Heating solder horn (weldering is chewed) has the effect (6.5W～10W, the work that got final product in 10 seconds of switching on) of speed heat; (3) can guarantee suitable operating temperature, although very low power consumption can reach high operating temperature (400～480 ℃) very soon; (4) have backheating function and high thermal compensation ability rapidly; (5) this electric iron has reduced flatiron radiating tube handle link temperature, makes the handle temperature low; (6) utilize the utility model technology, occasion (as open-air, high-altitude) in the AC-less power cooperation, can be made into pocket form of a stroke or a combination of strokes flatiron is easy to carry and works, or adopt automobile, motorcycle power supply, or with small-sized light weight battery (as 9 * 5 * 5cm, 12V, but 1.3A/C is used for nearly 2 hours of the continuous operation at least of 8W flatiron); (7) the utility model makes technology simple and easy because of bearing support 7 is arranged, and it is firm to install, and has certain thermal resistance function, and heat can be utilized fully, avoids heat radiation to generate heat and consume energy, and helps solder horn (weldering is chewed) replacing fast; (8) because the electric heater that the utility model adopts and to cooperate solder horn (weldering is chewed) with it all be small-sized, because its rational design makes it have cheap characteristics.Although heater and solder horn (weldering is chewed) all have long-life advantage, arbitrarily replacing still need not cause high economy input.

Below Figure of description is further specified as follows: Fig. 1 is the heater of the efficient electric iron of ultralow safe voltage low-power consumption and the structural representation of bearing support, and Fig. 2 is the overall structure schematic diagram of the efficient electric iron of ultralow safe voltage low-power consumption.Among the figure: 1 is heater, 2 is heater electric terminal exit sleeve pipe, and 3,4 is heater electric terminal lead and power input line, and 5 for inlaying the groove of heater exit in the bearing support, 6 is heater electric terminal exit, 7 is the bearing support that connects heater and patch handle, and 8 are solder horn (weldering is chewed), and 9 is radiating tube, 10 is positioning pipe, 11 is lock nut, and 12 for being fastenedly connected plate, and 13 is electric iron main body and flatiron handle connected body.

Embodiment of the present utility model is comparatively simple, needs only by specification accompanying drawing Fig. 1, each parts that design shown in Figure 2, and is connected and installed by the described annexation of top specification, just can implement the utility model preferably.Specific as follows: (1) packs into exit sleeve pipe 2 to the electric terminal lead 3,4 of heater 1 respectively, in the groove 5 on electric terminal exit 6 alignings and the embedding bearing support 7, again heater electric terminal lead 3,4 is welded on respectively on the electrode on bearing support 7 two sides again; (2) the conjuncted insertion of heater 1 and bearing support 7 in the through hole mating groove of the connector that is fastenedly connected plate 12 and flatiron handle connected body 13 that assembling cooperates, on heater core, put positioning pipe 10 again, and on heater core, put solder horn (weldering is chewed) 8, then put stainless steel radiating tube 9, and with lock nut 11 screw on fastening gusset piece 12 screw thread and tighten up; (3) heater power source input lead (electric terminal lead) 3,4 is passed flatiron handle through hole after, make electricity end lead 3,4 fixedly connected power supply input lead 3,4 with heater at the two sides of bearing support 7 electrical input respectively with screw, the other end can connect with the cheap safety power supply device of exporting ultralow safe voltage (the single-phase 42V that is no more than, three-phase is no more than 24V) respectively.After electric iron main body and flatiron handle are connected and fixed, just decided into enforcement of the present utility model.As for the suggestion of its part dimension: the external diameter Φ of heater core (heating part) can≤4.5mm, its length can≤25mm, its heating consumed power can≤20w.Solder horn (weldering is chewed) should be able to reach abundant thermal coupling with heater and cooperate, and the heat that heater sends can fully be absorbed by solder horn, solder horn (weldering is chewed) be inserted in heater section length can≤26mm.

Claims (4)

1, the efficient electric iron of a kind of ultralow safe voltage low-power consumption, it is characterized in that: it is by heater (1) heater electric terminal exit sleeve pipe (2), heater electric terminal lead and power supply input lead (3), (4), inlay the groove (5) of heater exit in the bearing support, heater electric terminal exit (6), connect heater and patch the bearing support (7) of handle, solder horn (8), radiating tube (9), positioning pipe (10), lock nut (11) is fastenedly connected plate (12), it connects and composes together altogether for electric iron main body and flatiron handle connected body (13), its interconnected relationship is: the inner tubal wall of heater (1) and solder horn (8) is closely socket mutually, heater electric terminal exit sleeve pipe (2) packs into heater electric terminal lead (3) (4) respectively, heater (1) is electrically connected with heater electric terminal exit (6) Joint and with external power mutually by its electric terminal lead (3), heater electric terminal exit (6) is embedded in the groove (5) of bearing support (7), solder horn and radiating tube socket-connect, heater (1) by bearing support (7) with patch handle and be connected, heater core puts positioning pipe (10) and radiating tube (9) location, radiating tube (9) by lock nut (11) with to be fastenedly connected plate (12) affixed, by heater (1), bearing support (7), solder horn (8), the electric iron main body that radiating tube (9) constitutes is connected with the flatiron handle by connected body (13).

2, by the efficient electric iron of the described a kind of ultralow safe voltage low-power consumption of claim 1, it is characterized in that described heater (1) be after a kind of energising at short notice Fast Heating adequate heat capacity arranged, and have that strong heat is supplied with and the small-sized small-power heater of compensation solder horn (weldering is chewed).

3, by the efficient electric iron of the described a kind of ultralow safe voltage low-power consumption of claim 1, it is characterized in that described solder horn (8) is an energy heat is fully absorbed and can have the solder horn that operating load is reached optimal adaptation, it is similar to the light wall pipe of working end one end sealing, the solder horn diameter of inner pipe is slightly larger than the external diameter of heater, can reach best thermal coupling with heater, the length of the pipe degree of depth and heater (1) is close in the solder horn, and it is the interchangeable solder horn of a cover fast changeable, and it is the part that can form the efficient electric iron main body of low-power consumption of one with heater (1).

4, by the efficient electric iron of the described a kind of ultralow safe voltage low-power consumption of claim 1, it is characterized in that described bearing support (7) is tabular, bar-shaped, a tube with high strength, high insulation, its can with apply on the parts copper, around junction electrode, lead connect, the affixed various wiring forms of screw realize the heater electric terminal on bearing support and the power supply electrical input is sub is connected, and firmly be supported on flatiron handle or the handle connector.

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