JP3113098B2 - High frequency welding equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[Industrial application] It is mainly used at the medical site, for example, at the time of completion of blood collection or blood donation of components at the blood donation room of the Japanese Red Cross Blood Center, sample collection or bag separation, and also at the end of dialysis. The invention also relates to a high-frequency welding device which can likewise be used for processing tubes.

[0002]

2. Description of the Related Art At present, a high-frequency welding apparatus has been put to practical use in which an electrode section, a high-frequency oscillation section, and a sweeping means for instructing high-frequency oscillation are integrated into a single unit and external power is supplied. I have. In a foreign-made high-frequency welding apparatus, a type in which the electrode portion is operated with one hand, but the high-frequency oscillation portion and the power supply portion are integrated into another housing and integrated, and connected by a connection cord has been put to practical use.

In these practically used high-frequency welding apparatuses, it is necessary that the storage battery of the power supply section be made sealable a certain number of times or more (for example, so that it can be used for at least half a day). Further, in order to operate the high-frequency oscillator, it is necessary to flow a large current of 1 A to 3 A at a time at a voltage of about 50 V DC and at the same time. It was large and heavy to connect. For this reason, the power supply unit (storage battery) has been used by mounting it on a trolley, hanging it from the shoulder, or attaching it to the waist. In this case, since the tube sealer main body and the power supply unit (rechargeable battery) are connected by a connection cord, the degree of freedom in operation is somewhat limited. The inventor of the present invention has made intensive studies in order to solve the above-mentioned problems, and has arrived at the following invention.

[0004]

Means for Solving the Problems [1] The present invention provides a tube seal electrode section 1a, a high-frequency oscillation section 2, a voltage converter 3 for boosting a battery voltage, and a trigger section 5 for instructing high-frequency oscillation. And a battery unit 6 for supplying electric power, and a charging unit 11 for charging the battery unit 6. A housing in which the electrode portion 1a and the trigger portion 5 of the seal can be carried by one hand and the tube sealing operation is easy. Provided is a high-frequency welding apparatus which is mounted inside the housing 10 and has the high-frequency oscillating unit 2, the voltage converter 3, the storage battery unit 6 and the charging unit 11 arranged inside the housing 10. [2] The present invention provides the high-frequency welding device according to [1], wherein a charging plug 7 is mounted outside the housing 10. [3] The present invention forms a substantially pistol-shaped housing 10 by projecting a first housing 10a and a second housing 10b at the bottom of the first housing 10a,
A seal electrode portion 1a is provided in front of the first housing 10a.
And the high frequency oscillating unit 2, the voltage converter 3 and the charging unit 11 are arranged inside the first housing 10a, and the trigger unit 5 is mounted on the front side surface of the second housing 10b and on the rear side surface. The high-frequency welding device according to [1] or [2], wherein the rechargeable plug 7 is attached, and the storage battery unit 6 is disposed inside the second housing 10b.

[4] The present invention provides a tube seal electrode 1a, a high-frequency oscillator 2, a voltage converter 3 for boosting a DC voltage, a trigger unit 5 for instructing high-frequency oscillation, and power supply. It comprises a storage battery unit 6, and the tube seal electrode unit 1 a and the trigger unit 5 can be carried with one hand and mounted outside the housing 10 where the tube seal operation is easy. The battery unit 3 and the storage battery unit 6 are disposed inside the housing 10, and the storage battery unit 6 is detachable from the housing 10 and (a) is provided with an insertion plug that can be connected to another charger, or (b) multiple connection The present invention provides a high-frequency welding device formed as a storage battery package so that the + and-electrodes can be exposed and slidably connected to the + and-electrodes of another charger. [5] The present invention forms a substantially pistol-shaped housing 10 by projecting a second housing 10b from the first housing 10a and the bottom of the first housing 10a. A high frequency oscillating unit 2 and a voltage converter 3 are disposed inside the first housing 10a while a seal electrode unit 1a is mounted on the front, and a trigger unit 5 is mounted on a front side surface of the second housing 10b. The storage battery unit 6 is disposed inside the second housing 10b, and the storage battery unit 6 is detachable from the housing 10 and (a) is provided with a plug that can be connected to another charger, or (b) a plurality of connection plugs are provided. The high frequency welding apparatus according to [4], wherein the battery pack is formed so as to be slidably connected to the +/− electrode of another charger so that the +/− electrode is exposed. To provide. [6] The present invention provides the high-frequency welding device according to any one of [1] to [5], wherein the storage battery unit 6 is a quick charge type.

[0006]

According to the present invention, the number of storage batteries used can be reduced to reduce the size and weight, and the batteries can be reused by charging in a short time.

[0007]

FIG. 1 is a schematic view of a high frequency welding apparatus 1 according to the present invention, and FIG. 2 is a block diagram of FIG. High frequency welding equipment 1
Are a tube seal electrode 1a and a high-frequency oscillator 2
When a voltage converter 3 for boosting the battery voltage (step-up), a trigger part 5 for instructing the oscillation of the high frequency, the battery unit 6 for supplying electric power, made from the charging unit 11 for charging the storage battery unit 6 Each of these members is arranged in a housing 10 that can be carried by an operator with one hand and is easy to seal the tube, and is small and lightweight.

In FIG. 1, a housing 10 is formed in a so-called substantially pistol shape and has a rectangular first housing 10.
a and a second housing 10b as a nip portion. The first housing 10a has a high-frequency oscillator 2 and a voltage converter 3 arranged inside, a seal electrode 1a at the front, and a power switch 8 at the rear. 9 is an indicator light.

The second housing 10b has a storage battery unit 6 disposed therein, a trigger unit 5 on the front side surface, and a retraction plug 7 for charging on the rear side surface.

An operation method when a charged storage battery is used will be described below. When the power switch 8 is turned on, the indicator lamp 9 is lit, for example, in green to indicate that sealing is possible. When the trigger tube 5 is pulled after inserting a tube made of polyvinyl chloride to be thermally welded into the electrode portion 1, the gap between the electrode portions becomes small, and the sample tube is crushed. When the electrode gap becomes constant, a microswitch (not shown) is turned on, high frequency is oscillated, and the tube is thermally welded.

During the high frequency oscillation, the indicator lamp 9 is illuminated in red, for example, and returns to the original green illumination when the oscillation is completed. When the trigger part 5 is released after the sealing of the tube is completed, the state returns to the original sealing preparation state. When the discharge of the storage battery progresses, the indicator lamp 9 changes color to orange or blinks green and emits a buzzer sound. In this case, the charging plug 7 is connected to a commercial AC 100 V outlet to perform charging.

[0012] RF welding apparatus 1 of the present invention, because it uses a step-up type of <br/> voltage converter (DC / DC converter) 3, reduce the size and weight by reducing the use number of the battery The high-frequency oscillation unit 2 can be driven by boosting the voltage with a low-voltage storage battery. Therefore, in actual use, although it depends on the type of storage battery, for example, a nickel-cadmium storage battery can be sealed 50 times or more (half day to 2 days depending on the number of uses) when fully charged. In this embodiment , a nickel-cadmium storage battery is used as the storage battery used.
As mentioned above , the use of a lithium ion storage battery can further reduce the number of batteries used in series, thereby achieving further reduction in size and weight. Lead storage batteries can also be used.

Since the storage battery of the present invention is a quick charge type battery, it normally requires about 8 hours of charging time, but can be reused with a short charging time of 10 to 60 minutes. As a charging method of the rapid charging, there are a −ΔV method, a constant voltage / constant current method, a constant time method, and a temperature detection method.

In order to facilitate charging of the high-frequency welding device 1, a plug-in type is used. When the charging pull-in plug 7 is raised (or pulled out), a microswitch or a sensor is activated and charging is started. (FIG. 1 shows a state in which the retraction plug 7 for charging is raised).

As another embodiment of the high-frequency welding apparatus of the present invention, a system in which the storage battery unit 6 is detached from the housing 10 by one touch can be adopted . The separated storage battery unit 6 is inserted into the storage battery unit 6 so that it can be connected to another externally installed charger with one touch.
Or by forming a lug to the plug-in type (connecting of a plug and charger side), or battery package (the plurality of storage batteries, coherent and well connected + - those electrodes issued outside) as, It is possible to adopt a system in which the exposed + -electrode and the +-electrode of the charger are closely connected in a sliding manner. The storage battery unit 6 has a +
The negative electrode is exposed, and + −
In close contact with the electrodes. Therefore, when the number of times of use increases and the discharge of the storage battery progresses (indicated by the indicator light), it can be replaced with a separately prepared charged storage battery package with one touch. Therefore, the work of sealing the tube is
Almost continuous work can be performed without interruption on the way.

In this case, the charging section 1 is provided in the housing 10.
Since there is no 1, the circuit configuration is simplified, and the number of parts is reduced, so that the size and weight can be further reduced. The high-frequency welding apparatus according to the present embodiment does not include the charging unit 11 in FIG. 1, and the charging unit 11 is omitted from the block diagram in FIG. 2, and other components are substantially the same as those in FIGS. Details are omitted because they are the same.

[0017]

The operability has been greatly improved by eliminating the cord for connecting the apparatus body and the power supply unit and the like. The adoption of a small storage battery makes it possible to reduce the size and weight of the device body. Charging time can be significantly shortened by adopting a fast-charging storage battery .
Door can be (can select a charging time of 10 to 60 minutes). High-performance voltage converter ( DC / DC converter )
Can reduce the number of storage batteries. The exclusive cart is unnecessary and can be moved freely.

[Brief description of the drawings]

FIG. 1 is a schematic view of a high-frequency welding apparatus according to the present invention.

FIG. 2 is a block diagram of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 High frequency welding apparatus 1a Seal electrode part 2 High frequency oscillating part 3 Voltage converter (step-up DC / DC converter part) 5 Trigger part (trigger part) 6 Storage battery part 7 Charging plug 8 Power switch 9 Indicator light 10 Housing 10aFirst housing  10bSecond housing  11Charging section (power supply section)

Claims (6)

(57) [Claims] 1. A sealing electrode section 1a for a tube, a high-frequency oscillating section 2, a voltage converter 3 for boosting a battery voltage, a trigger section 5 for instructing high-frequency oscillation, a storage battery section 6 for supplying electric power, A charging section 11 for charging the storage battery section 6; the electrode section 1a of the seal and the trigger section 5 are mounted outside the housing 10 which is portable with one hand and easy to seal the tube; A high-frequency welding apparatus wherein the oscillating unit 2, the voltage converter 3, the storage battery unit 6, and the charging unit 11 are disposed inside the housing 10. 2. The high-frequency welding apparatus according to claim 1, wherein a charging plug 7 is mounted outside the housing 10. 3. A substantially pistol-shaped housing 10 is formed by projecting a second housing 10b from a first housing 10a and a bottom of the first housing 10a, and a seal is provided in front of the first housing 10a. Electrode part 1a
And the high frequency oscillating unit 2, the voltage converter 3 and the charging unit 11 are disposed inside the first housing 10a, and the trigger unit 5 is mounted on the front side surface of the second housing 10b and on the rear side surface. Retractable plug 7 for charging
The high frequency welding apparatus according to claim 1 or 2, wherein a storage battery unit (6) is disposed inside the second housing (10b). 4. A seal electrode section 1a for a tube, a high-frequency oscillation section 2, a voltage converter 3 for boosting a DC voltage, a trigger section 5 for instructing high-frequency oscillation, and a storage battery section 6 for supplying electric power. The seal electrode portion 1a and the trigger portion 5 of the tube can be carried with one hand and mounted outside the housing 10 in which the tube sealing operation is easy, and the high-frequency oscillating portion 2, the voltage converter 3, and the storage battery portion are provided. 6 is disposed inside the housing 10, and the storage battery unit 6 is detachable from the housing 10 and (a) is provided with an insertion plug connectable to another charger or A high-frequency welding apparatus characterized in that a storage battery package is formed so as to be slidably connected to + and-electrodes of another charger so that the electrodes are exposed. 5. A substantially pistol-shaped housing 10 is formed by projecting a second housing 10b from the first housing 10a and the bottom of the first housing 10a, and is provided in front of the first housing 10a. Seal electrode part 1a
And a high-frequency oscillator 2 and a voltage converter 3 are disposed inside the first housing 10a. A trigger 5 is mounted on a front side surface of the second housing 10b. The storage battery unit 6 is disposed inside the storage battery unit 6. The storage battery unit 6 is detachable from the housing 10 and (a) is provided with an insertion plug that can be connected to another charger. The high frequency welding apparatus according to claim 4, wherein the storage battery package is formed so as to be exposed so as to be slidably connected to the + and-electrodes of another charger. 6. The high-frequency welding apparatus according to claim 1, wherein the storage battery unit 6 is of a quick charge type.