JP3325333B2 - Energizing method and energizing control device in electrofusion - Google Patents
Energizing method and energizing control device in electrofusionInfo
- Publication number
- JP3325333B2 JP3325333B2 JP8598193A JP8598193A JP3325333B2 JP 3325333 B2 JP3325333 B2 JP 3325333B2 JP 8598193 A JP8598193 A JP 8598193A JP 8598193 A JP8598193 A JP 8598193A JP 3325333 B2 JP3325333 B2 JP 3325333B2
- Authority
- JP
- Japan
- Prior art keywords
- resistance
- energizing
- reference voltage
- value
- resistance value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
- B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5229—Joining tubular articles involving the use of a socket
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
- B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
- B29C66/91211—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
- B29C66/91214—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods by measuring the electrical resistance of a resistive element belonging to one of the parts to be welded, said element acting, e.g. as a thermistor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
- B29C66/9131—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the heat or the thermal flux, i.e. the heat flux
- B29C66/91311—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the heat or the thermal flux, i.e. the heat flux by measuring the heat generated by Joule heating or induction heating
- B29C66/91317—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the heat or the thermal flux, i.e. the heat flux by measuring the heat generated by Joule heating or induction heating by measuring the electrical resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
- B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
- B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
- B29C66/91653—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating by controlling or regulating the voltage, i.e. the electric potential difference or electric tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
- B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
- B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電気融着における通電
方法およびこの融着作業時の通電条件を制御する通電制
御装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an energization method in electric fusion and an energization control device for controlling energization conditions during the fusion operation.
【０００２】[0002]
【従来の技術】一般に、電気融着継手に通電して融着作
業を実施する場合、通電に先立って、電気融着継手内に
設けられた識別抵抗の抵抗値を測定することが行われて
いる。そして、この識別抵抗値に基づいてコントローラ
ー内部に設定されている通電条件に従って融着作業が行
われている（例えば、特開平２−１２９４９３号公報、
特公平１−４０７４３号公報参照）。2. Description of the Related Art Generally, when a welding operation is carried out by energizing an electric fusion joint, prior to energization, a resistance value of a discriminating resistor provided in the electric fusion joint is measured. I have. The fusing operation is performed according to the energization conditions set inside the controller based on the identification resistance value (for example, Japanese Patent Application Laid-Open No. 2-129493,
Japanese Patent Publication No. 1-40743).
【０００３】従来より、この識別抵抗値に基づいた通電
条件で通電する場合は、識別抵抗値に応じた通電時間Ｔ
のみを判断し、この判断した通電時間Ｔにわたって基準
電圧Ｖref を加えることで、設計上の供給エネルギーＥ
ｄ（Ｅｄ＝Ｖref 2 ／Ｒd ×Ｔ）を供給して融着作業を
行うようになされていた。すなわち、設計上のワイヤ抵
抗Ｒd を有する電気融着継手に、基準電圧Ｖref を加え
る場合の最適な通電時間Ｔを判断するようになされてい
た。Conventionally, in the case of energizing under the energizing condition based on the discrimination resistance value, the energization time T according to the discrimination resistance value has been considered.
Is determined, and the reference voltage Vref is applied over the determined energizing time T, so that the design energy supply E
d (Ed = Vref 2 / Rd × T) is supplied to perform the fusing operation. That is, the optimum energizing time T when applying the reference voltage Vref to the electrofusion joint having the designed wire resistance Rd is determined.
【０００４】[0004]
【発明が解決しようとする課題】しかし、電気融着継手
の実際のワイヤ抵抗Ｒacは、ワイヤ素材の差や、成形時
にワイヤに加わるテンションなどによってばらつきを生
じるため、単に基準電圧Ｖref を加える場合の最適な通
電時間Ｔを判断しただけでは、実際の供給エネルギーＥ
ac（Ｅac＝Ｖref 2 ／Ｒac×Ｔ）は、設計上の供給エネ
ルギーＥｄから掛け離れたものになってしまう。However, since the actual wire resistance Rac of the electrofusion joint varies depending on the difference in the wire material and the tension applied to the wire at the time of forming, the actual wire resistance Rac does not vary when the reference voltage Vref is simply applied. Just by determining the optimal energizing time T, the actual supply energy E
ac (Eac = Vref 2 / Rac × T) is far from the design supply energy Ed.
【０００５】そのため、ワイヤの素材を特殊なものにし
たり、電気融着継手の成形時にワイヤにテンションが加
わらないように配慮して設計上のワイヤ抵抗Ｒd と実際
のワイヤ抵抗Ｒacとの差を小さくすることが考えられる
が、この場合、電気融着継手が高価なものになってしま
う。For this reason, the difference between the designed wire resistance Rd and the actual wire resistance Rac is reduced by using a special material for the wire or taking care not to apply tension to the wire when forming the electrofusion joint. However, in this case, the electrofusion joint becomes expensive.
【０００６】本発明は、係る実情に鑑みてなされたもの
で、ワイヤ抵抗にばらつきのある電気融着継手であって
も、適切な通電を行うことができる通電方法と、この通
電を行うための通電制御装置を提供することを目的とし
ている。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides an energizing method capable of performing an appropriate energization even for an electro-fusion joint having a variation in wire resistance. It is intended to provide an energization control device.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
の本発明の電気融着における通電方法は、融着作業時に
通電制御装置によって電気融着継手への通電を行う方法
であって、電気融着継手の識別抵抗およびワイヤ抵抗を
測定するとともに、この識別抵抗値に基づいて設定され
ているワイヤ抵抗の設定値を実際に測定されたワイヤ抵
抗値と比較し、この比較結果に基づいて基準電圧を微調
整しながら、この識別抵抗値に基づいて設定されている
所定の通電時間にわたって通電を行うものである。According to a first aspect of the present invention, there is provided a method for energizing an electrofusion joint by an energization control device during a fusion operation. Measure the discrimination resistance and wire resistance of the fusion joint, compare the wire resistance set value set based on this discrimination resistance value with the actually measured wire resistance value, and set the standard based on the comparison result. While finely adjusting the voltage, power is supplied for a predetermined power supply time set based on the identification resistance value.
【０００８】また、本発明の通電制御装置は、識別抵抗
およびワイヤ抵抗を測定する抵抗値測定手段と、識別抵
抗値に基づいて設定された各種の通電条件が記憶された
記憶部と、識別抵抗の測定値に応じて記憶部から所定の
通電条件を引き出すとともに、この通電条件に従って基
準電圧を出力する基準電圧出力部と、識別抵抗の測定値
に応じて記憶部から所定の通電条件を引き出すととも
に、この通電条件に設定されているワイヤ抵抗値と実際
に測定されたワイヤ抵抗値とを比較して基準電圧の調整
量を演算する演算部と、この演算結果に基づいて基準電
圧を微調整する電圧可変手段とを具備したものである。Further, the power supply control device of the present invention includes a resistance value measuring means for measuring the identification resistance and the wire resistance, a storage unit for storing various current supply conditions set based on the identification resistance value, A predetermined energizing condition is extracted from the storage unit according to the measured value of the reference voltage output unit that outputs a reference voltage according to the energizing condition, and a predetermined energizing condition is extracted from the storage unit according to the measured value of the identification resistance. An arithmetic unit for comparing the wire resistance value set in the energization condition with the actually measured wire resistance value to calculate the adjustment amount of the reference voltage, and finely adjusting the reference voltage based on the calculation result Voltage varying means.
【０００９】[0009]
【作用】まず、抵抗値測定手段によって電気融着継手の
識別抵抗およびワイヤ抵抗を測定する。ついで、この測
定された識別抵抗値に基づいて設定されている通電条件
を記憶部から引き出し、この通電条件に基づいて基準電
圧出力部から基準電圧が出力される。この際、演算部で
は、ワイヤ抵抗の設定値と、実際に測定されたワイヤ抵
抗の測定値とを比較し、実際のワイヤ抵抗値に合うよう
に出力電圧の調整量を演算する。そして、この演算結果
に基づいて、基準電圧出力部から出力される基準電圧
を、電圧可変手段によって微調整する。これにより、電
気融着継手に設計上の供給エネルギーＥｄを供給して融
着作業を行うことができることとなる。First, the discrimination resistance and the wire resistance of the electrofusion joint are measured by the resistance value measuring means. Then, the energization condition set based on the measured identification resistance value is extracted from the storage unit, and the reference voltage is output from the reference voltage output unit based on the energization condition. At this time, the calculation unit compares the set value of the wire resistance with the actually measured value of the wire resistance, and calculates the adjustment amount of the output voltage so as to match the actual wire resistance value. Then, based on the calculation result, the reference voltage output from the reference voltage output unit is finely adjusted by the voltage varying means. As a result, it is possible to supply the designed supply energy Ed to the electric fusion joint to perform the fusion work.
【００１０】[0010]
【実施例】以下、本発明の一実施例を図面を参照して説
明する。An embodiment of the present invention will be described below with reference to the drawings.
【００１１】図１は通電制御装置１を電気融着継手２に
接続した状態を示し、図２は通電制御装置１の概略を示
している。FIG. 1 shows a state in which the energization control device 1 is connected to an electric fusion joint 2, and FIG. 2 schematically shows the energization control device 1.
【００１２】すなわち、この通電制御装置１は、抵抗値
測定部１１、記憶部１２、基準電圧出力部１３、演算部
１４、電圧可変部１５とを具備している。That is, the power supply control device 1 includes a resistance value measurement unit 11, a storage unit 12, a reference voltage output unit 13, a calculation unit 14, and a voltage variable unit 15.
【００１３】この通電制御装置１は、識別抵抗Ｒidを測
定するためのライン１６と通電を行うためのライン１７
とを有する１対の通電端子１８を、電気融着継手２の通
電ターミナル２１に接続することによってセットされ
る。The energization control device 1 has a line 16 for measuring the identification resistance Rid and a line 17 for energizing.
Is set by connecting a pair of energizing terminals 18 having the following to an energizing terminal 21 of the electrofusion joint 2.
【００１４】抵抗値測定部１１は、ライン１６を通じて
電気融着継手２の識別抵抗Ｒidに微電流を流すことで、
この識別抵抗Ｒidを測定するようになされている。ま
た、ライン１７を通じて電気融着継手２のワイヤ抵抗Ｒ
acに微電流を流すことで、このワイヤ抵抗Ｒacを測定す
るようになされている。The resistance measuring unit 11 applies a small current to the identification resistance Rid of the electrofusion joint 2 through the line 16,
The identification resistance Rid is measured. Further, the wire resistance R of the electrofusion joint 2 is transmitted through the line 17.
By passing a small current through ac, the wire resistance Rac is measured.
【００１５】記憶部１２は、抵抗値測定部１１によって
測定される識別抵抗Ｒidに応じた各種の融着時間Ｔおよ
び設計上のワイヤ抵抗Ｒｄを記憶している。例えば、表
１に示すように、識別抵抗Ｒidが４．２２±０．０４ｋ
Ωの時には、融着時間Ｔが１４０秒、設計上のワイヤ抵
抗Ｒｄが１３．８Ωといった値を記憶している。The storage unit 12 stores various welding times T according to the identification resistance Rid measured by the resistance value measurement unit 11 and a designed wire resistance Rd. For example, as shown in Table 1, the identification resistance Rid is 4.22 ± 0.04 k
In the case of Ω, values such as a fusion time T of 140 seconds and a designed wire resistance Rd of 13.8Ω are stored.
【００１６】[0016]
【表１】 [Table 1]
【００１７】基準電圧出力部１３は、上記記憶部１２か
ら引き出される情報に応じて基準電圧Ｖref を出力する
ようになされている。例えば、上記表１に示すように、
識別抵抗Ｒidが４．２２±０．０４ｋΩの時に７５Ｖの
基準電圧Ｖref を出力する場合には、Ｅｄ＝Ｖref 2 ／
Ｒd ×Ｔから、（７５2 ／１３．８）×（１４０／３６
００）＝１５．８５Ｗｈの設計上の供給エネルギーＥｄ
が得られることとなる。The reference voltage output section 13 outputs a reference voltage Vref in accordance with information extracted from the storage section 12. For example, as shown in Table 1 above,
To output a reference voltage Vref of 75 V when the identification resistance Rid is 4.22 ± 0.04 kΩ, Ed = Vref 2 /
From Rd × T, (75 2 /13.8)×(140/36)
00) = Designed supply energy Ed of 15.85 Wh
Is obtained.
【００１８】演算部１４は、識別抵抗Ｒidに基づいて引
き出された記憶部１２のワイヤ抵抗Ｒｄと、抵抗値測定
手段１１によって測定された実際のワイヤ抵抗Ｒacとを
比較し、基準電圧Ｖref を出力した場合に不足もしくは
過剰となる電圧を補正する補正係数を算出する。すなわ
ち、上記表１の例で示すと、ワイヤ抵抗Ｒｄが１３．８
Ωの場合は、設計上の供給エネルギーＥｄは、Ｅｄ＝
（７５2 ／１３．８）×（１４０／３６００）＝１５．
８５Ｗｈとなるが、実際のワイヤ抵抗Ｒacが１５Ωだと
すると、実際の供給エネルギーＥacは、Ｅac＝（７５2
／１５）×（１４０／３６００）＝１４．５８Ｗｈとな
り、設計上の供給エネルギーＥｄに比べて約８％少なく
なる。つまり、この場合に設計上の供給エネルギーＥｄ
と実際の供給エネルギーＥacとを同じにするには、実際
の出力電圧Ｖacとしては、数式１に示すように、７８．
１９Ｖが必要となる。The operation unit 14 compares the wire resistance Rd of the storage unit 12 extracted based on the identification resistance Rid with the actual wire resistance Rac measured by the resistance value measuring means 11, and outputs a reference voltage Vref. In this case, a correction coefficient for correcting a shortage or an excess voltage is calculated. That is, in the example of Table 1, the wire resistance Rd is 13.8.
In the case of Ω, the design supply energy Ed is Ed =
(75 2 /13.8)×(140/3600)=15.
85 Wh, but if the actual wire resistance Rac is 15Ω, the actual supplied energy Eac is Eac = (75 2
/15)×(140/3600)=14.58 Wh, which is about 8% less than the design supply energy Ed. That is, in this case, the design supply energy Ed
In order to make the actual supply energy Eac the same as the actual output voltage Vac, as shown in Expression 1, 78.
19V is required.
【００１９】[0019]
【数１】 (Equation 1)
【００２０】電圧可変部１５では、この演算結果に基づ
いて基準電圧Ｖref を補正し、実際に必要とされる出力
電圧Ｖacに調整して電気融着継手２に出力する。すなわ
ち、上述するように、上記表１の例で示すと、７５Ｖの
基準電圧Ｖref を７８．１９Ｖの出力電圧Ｖacに調整し
て電気融着継手２に出力する。The voltage variable section 15 corrects the reference voltage Vref based on the calculation result, adjusts the reference voltage Vref to an actually required output voltage Vac, and outputs the output voltage Vac to the electrofusion joint 2. That is, as described above, as shown in the example of Table 1, the reference voltage Vref of 75 V is adjusted to the output voltage Vac of 78.19 V and output to the electrofusion joint 2.
【００２１】すなわち、この通電制御装置１によると、
設計時に仮定したワイヤ抵抗Ｒｄの値が実際のワイヤ抵
抗Ｒacと異なっていても、設計上の供給エネルギーＥｄ
を供給して融着作業を行うことができるので、安定した
融着精度が得られる。その結果、抵抗値の安定した高価
なワイヤ素材を用いた電気融着継手２でなくても、優れ
た融着精度を得ることができ、融着精度の向上を図りな
がら電気融着継手２の製造コストの低下を実現すること
ができる。That is, according to the energization control device 1,
Even if the value of the wire resistance Rd assumed at the time of design is different from the actual wire resistance Rac, the design supply energy Ed
Can be supplied to perform the fusing operation, so that stable fusing accuracy can be obtained. As a result, even if it is not the electrofusion joint 2 using an expensive wire material having a stable resistance value, it is possible to obtain excellent fusion accuracy, and to improve the fusion accuracy while improving the fusion accuracy. A reduction in manufacturing cost can be realized.
【００２２】[0022]
【発明の効果】以上述べたように、本発明によると、電
気融着継手に、設計上の供給エネルギーを供給して融着
作業を行うことができるので、電気融着継手のワイヤ抵
抗のばらつきなどに関係なく、安定した融着精度が得ら
れることとなる。As described above, according to the present invention, the welding operation can be performed by supplying the supply energy in design to the electrofusion joint, so that the wire resistance of the electrofusion joint varies. Irrespective of the above, stable fusion accuracy can be obtained.
【図１】通電制御装置による電気融着継手の融着状態を
示す概略図である。FIG. 1 is a schematic view showing a fusion state of an electric fusion joint by an energization control device.
【図２】通電制御装置の全体構成の概略を示すブロック
図である。FIG. 2 is a block diagram illustrating an outline of the entire configuration of the energization control device.
１ 通電制御装置 １１ 抵抗値測定部 １２ 記憶部 １３ 基準電圧出力部 １４ 演算部 １５ 電圧可変部 ２ 電気融着継手 REFERENCE SIGNS LIST 1 energization control device 11 resistance measurement unit 12 storage unit 13 reference voltage output unit 14 calculation unit 15 voltage variable unit 2 electric fusion joint
Claims (2)
融着継手への通電を行う方法であって、 電気融着継手の識別抵抗およびワイヤ抵抗を測定すると
ともに、この識別抵抗値に基づいて設定されているワイ
ヤ抵抗の設定値を実際に測定されたワイヤ抵抗値と比較
し、この比較結果に基づいて基準電圧を微調整しなが
ら、この識別抵抗値に基づいて設定されている所定の通
電時間にわたって通電を行うことを特徴とする電気融着
における通電方法。1. A method for energizing an electric fusion joint by an energization control device during a fusion operation, comprising measuring an identification resistance and a wire resistance of the electric fusion joint and setting based on the identification resistance value. The set value of the wire resistance is compared with the actually measured wire resistance value, and while the reference voltage is finely adjusted based on the comparison result, the predetermined energization time set based on the identification resistance value is determined. Energizing method for electric fusion, characterized in that energizing is carried out over a period of time.
抗値測定手段と、識別抵抗値に基づいて設定された各種
の通電条件が記憶された記憶部と、識別抵抗の測定値に
応じて記憶部から所定の通電条件を引き出すとともに、
この通電条件に従って基準電圧を出力する基準電圧出力
部と、識別抵抗の測定値に応じて記憶部から所定の通電
条件を引き出すとともに、この通電条件に設定されてい
るワイヤ抵抗値と実際に測定されたワイヤ抵抗値とを比
較して基準電圧の調整量を演算する演算部と、この演算
結果に基づいて基準電圧を微調整する電圧可変手段とを
具備したことを特徴とする通電制御装置。2. A resistance value measuring means for measuring a discrimination resistance and a wire resistance, a storage unit storing various energizing conditions set based on the discrimination resistance value, and a storage unit according to the measurement value of the discrimination resistance. Derive the predetermined energizing conditions from
A reference voltage output unit that outputs a reference voltage according to the energization condition, and a predetermined energization condition is extracted from a storage unit according to the measured value of the identification resistance, and a wire resistance value set in the energization condition is actually measured. And a voltage variable means for finely adjusting the reference voltage based on the calculation result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8598193A JP3325333B2 (en) | 1993-04-13 | 1993-04-13 | Energizing method and energizing control device in electrofusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8598193A JP3325333B2 (en) | 1993-04-13 | 1993-04-13 | Energizing method and energizing control device in electrofusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06297579A JPH06297579A (en) | 1994-10-25 |
| JP3325333B2 true JP3325333B2 (en) | 2002-09-17 |
Family
ID=13873887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8598193A Expired - Fee Related JP3325333B2 (en) | 1993-04-13 | 1993-04-13 | Energizing method and energizing control device in electrofusion |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3325333B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3796047B2 (en) * | 1998-04-10 | 2006-07-12 | 三井化学株式会社 | Method and apparatus for electrofusion of electrofusion joint |
-
1993
- 1993-04-13 JP JP8598193A patent/JP3325333B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06297579A (en) | 1994-10-25 |
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