JPH05172373A - Printed wiring board for air conditioner - Google Patents

Printed wiring board for air conditioner

Info

Publication number
JPH05172373A
JPH05172373A JP34120891A JP34120891A JPH05172373A JP H05172373 A JPH05172373 A JP H05172373A JP 34120891 A JP34120891 A JP 34120891A JP 34120891 A JP34120891 A JP 34120891A JP H05172373 A JPH05172373 A JP H05172373A
Authority
JP
Japan
Prior art keywords
wiring board
printed wiring
air conditioner
printed
circuit
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.)
Pending
Application number
JP34120891A
Other languages
Japanese (ja)
Inventor
Tatsuo Aramaki
辰男 荒巻
Naoya Tada
直弥 多田
Takashi Mitarai
孝志 御手洗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP34120891A priority Critical patent/JPH05172373A/en
Publication of JPH05172373A publication Critical patent/JPH05172373A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To provide an air conditioner printed wiring board wherein parts are brought into a hot state so as to accomodate its use in a cold region. CONSTITUTION:In an air cionditioner printed wiring board where circuit components 9 are mounted on a printed board 8, an electrical heating auxiliary pattern 11 having predetermined electric resistance is formed on the printed board 8 in a noncontact manner with a circuit pattern 10. A hot state is achieved in a self-heating manner with the aid of electrical heating by supplying a predetermined current to the auxiliary pattern 11, and hence even electric components, etc., which lack cold resistance and are deteriorated in low temperature characteristics can keep desired characteristics by being placed under hot conditions and present high reliability.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は例えば空気調和機の室外
機等に適用されるプリント配線基板に係り、特に寒冷地
用空気調和機に好適な空気調和機用プリント配線基板に
関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed wiring board applied to, for example, an outdoor unit of an air conditioner, and more particularly to a printed wiring board for an air conditioner suitable for an air conditioner for cold regions.

【0002】[0002]

【従来の技術】近年、冷暖房兼用の空気調和機等におい
ては、その熱交換可能な温度範囲が次第に拡大されてき
ている。
2. Description of the Related Art In recent years, the temperature range in which heat can be exchanged is gradually expanding in an air conditioner that is also used for cooling and heating.

【0003】特に大きい熱交換が必要とされる暖房に対
する使用温度範囲の拡大により、これまでは冬期に−1
0℃程度となる寒冷地が対象であったものが、−20℃
程度の寒冷地まで適用地域が拡大している。
Due to the expansion of the operating temperature range for heating, which requires particularly large heat exchange, it has hitherto been -1 in winter.
-20 ℃, which was targeted for cold regions where the temperature is about 0 ℃
The applicable area is expanding to cold regions.

【0004】一方、室外機の制御用回路部品等には、集
積回路を使用した電子部品が多用されている。このよう
な電子部品等は、プリント基板上に搭載して電気部品箱
内に収容される。
On the other hand, electronic parts using an integrated circuit are often used as control circuit parts for outdoor units. Such electronic components are mounted on a printed circuit board and housed in an electric component box.

【0005】[0005]

【発明が解決しようとする課題】ところが、上述した電
子部品等には、耐寒性が不足して低温特性が低下するも
のがあり、このような部品を使用した室外機を寒冷地に
設置した場合には、所望の暖房作用が行えなかったり、
運転に支障が生じる等、性能低下や信頼性低下等の問題
が生じる。
However, some of the above-mentioned electronic parts and the like have poor cold resistance and low temperature characteristics, and when an outdoor unit using such parts is installed in a cold region. Does not have the desired heating effect,
This causes problems such as performance deterioration and reliability deterioration such as trouble in operation.

【0006】本発明はこのような事情に鑑みてなされた
もので、第1の目的は寒冷地での使用に部品が耐えられ
るよう温暖状態とすることができる空気調和機用プリン
ト配線基板を提供することにあり、また第2の目的はさ
らに部品を適温状態とするうえで有効な空気調和機用プ
リント配線基板を提供することにある。
The present invention has been made in view of the above circumstances. A first object of the present invention is to provide a printed wiring board for an air conditioner which can be brought into a warm state so that the parts can withstand use in cold regions. A second object is to provide a printed wiring board for an air conditioner which is effective in keeping the components in an appropriate temperature state.

【0007】[0007]

【課題を解決するための手段】第1の目的を達成するた
め、請求項1の発明は、プリント基板に回路部品を搭載
した空気調和機用プリント配線基板において、前記プリ
ント基板に、回路パターンと非接触な配置で、一定の電
気抵抗を有する電熱用の補助パターンを形成したことを
特徴とする。
In order to achieve the first object, the invention of claim 1 is a printed wiring board for an air conditioner in which circuit components are mounted on a printed circuit board, and a circuit pattern is formed on the printed circuit board. It is characterized in that an auxiliary pattern for electric heating having a constant electric resistance is formed in a non-contact arrangement.

【0008】また、第2の目的を達成するため、請求項
2の発明はプリント基板に回路部品を搭載した空気調和
機用プリント配線基板において、前記プリント基板に、
回路パターンと非接触な配置で、一定の電気抵抗を有す
る電熱用の補助パターンを形成するとともに、前記プリ
ント基板上の回路部品近傍に温度センサを搭載したこと
を特徴とする。
In order to achieve the second object, the invention of claim 2 is a printed wiring board for an air conditioner in which circuit components are mounted on a printed circuit board.
It is characterized in that an auxiliary pattern for electric heating having a constant electric resistance is formed in a non-contact arrangement with the circuit pattern, and a temperature sensor is mounted near the circuit component on the printed circuit board.

【0009】[0009]

【作用】請求項1の発明によると、プリント基板に、回
路パターンと非接触な配置で、一定の電気抵抗を有する
電熱用の補助パターンを形成したので、この補助パター
ンに所定の電流を供給することにより、電熱作用によっ
て自己加熱的に温暖状態とすることができる。
According to the first aspect of the present invention, since the auxiliary pattern for electric heating having a constant electric resistance is formed on the printed circuit board in a non-contact arrangement with the circuit pattern, a predetermined current is supplied to the auxiliary pattern. As a result, it is possible to bring about a warm state by self-heating due to the electrothermal effect.

【0010】したがって、耐寒性が不足して低温特性が
低い電子部品等でも、温暖な状況におくことによって所
望の特性を維持できるとともに、高信頼性が得られるよ
うになる。
Therefore, even in an electronic component or the like having insufficient cold resistance and low low-temperature characteristics, desired characteristics can be maintained and high reliability can be obtained by keeping in a warm state.

【0011】また、請求項2の発明によると、請求項1
の発明に加え、プリント基板上の回路部品近傍に温度セ
ンサを搭載することにより、回路部品の温度を検知でき
るようにしたので、補助パターンへの通電電流を温度セ
ンサからの出力信号で制御する等により、回路部品を上
下一定の温度範囲内におくことができる。
According to the invention of claim 2, claim 1
In addition to the invention described above, by mounting a temperature sensor near the circuit component on the printed circuit board, the temperature of the circuit component can be detected. Thus, the circuit components can be kept within a constant temperature range above and below.

【0012】したがって、回路部品が低温だけでなく、
高温からも保護できるようになり、回路部品の一層の特
性向上が図れるとともに、信頼性確保が図れるような
る。
Therefore, not only the temperature of the circuit components is low,
It becomes possible to protect from high temperatures, further improve the characteristics of circuit components, and ensure reliability.

【0013】[0013]

【実施例】以下、本発明の実施例を図面を参照して説明
する。
Embodiments of the present invention will be described below with reference to the drawings.

【0014】図1〜図3は第1実施例を示している。1 to 3 show a first embodiment.

【0015】本実施例のプリント配線基板1は、図3に
示すように、スプリット型空気調和機の室外機2のケー
ス3内に制御用として設置したものである。なお、室外
機2はコンプレッサ4、四方弁5、室外熱交換器6、フ
ァン6aおよび膨脹弁7等を備え、これにより図示しな
い室内機の室内熱交換器とともに、ヒートポンプ式冷凍
サイクルを構成し、冷暖房に供することができるように
している。
As shown in FIG. 3, the printed wiring board 1 of the present embodiment is installed for control in a case 3 of an outdoor unit 2 of a split type air conditioner. The outdoor unit 2 includes a compressor 4, a four-way valve 5, an outdoor heat exchanger 6, a fan 6a, an expansion valve 7 and the like, which constitutes a heat pump refrigeration cycle together with an indoor heat exchanger of an indoor unit (not shown). It is designed so that it can be used for air conditioning.

【0016】プリント配線基板1は図1に示すように、
プリント基板8に電子機器等の回路部品9を搭載したも
ので、プリント基板8の裏面側には図2に示すように、
回路部品9の接続を行う回路パターン10を形成してい
る。
The printed wiring board 1 is, as shown in FIG.
A circuit board 9 such as an electronic device is mounted on a printed circuit board 8, and the back side of the printed circuit board 8 is, as shown in FIG.
A circuit pattern 10 for connecting the circuit components 9 is formed.

【0017】このプリント基板8には、回路パターン1
0と非接触かつプリント基板8の略全域に亘る配置で、
一定の電気抵抗を有する電熱用の補助パターン11を形
成している。
The printed circuit board 8 has a circuit pattern 1
With the arrangement that does not contact 0 and covers substantially the entire area of the printed circuit board 8,
An auxiliary pattern 11 for electric heating having a constant electric resistance is formed.

【0018】補助パターン11の形成材料としては、一
定の電気抵抗を有する金属材料、またはセラミック材料
や炭素膜等を適用している。
As a material for forming the auxiliary pattern 11, a metal material having a certain electric resistance, a ceramic material, a carbon film or the like is applied.

【0019】そして、補助パターン11は入力用の端
子、例えばファストン端子12、および接続コード13
を介して、図示しない電源ボックスの一次電源に感温ス
イッチ等を介して接続し、外気温度やケース3内の温度
が一定以下の場合(例:−10℃)、または空気調和機
の停止時等に通電されるようにしている。
The auxiliary pattern 11 is a terminal for input, for example, a Faston terminal 12, and a connection cord 13.
When the outside air temperature or the temperature inside the case 3 is below a certain level (eg -10 ° C) or when the air conditioner is stopped, it is connected to the primary power supply (not shown) via a temperature switch etc. Etc. are energized.

【0020】このような第1実施例の構成によれば、外
気温度やケース3内の温度が一定以下の場合や空気調和
機の停止時等に、プリント基板8の補助パターン11に
所定の電流が供給され、電熱作用でプリント基板8およ
び回路部品9が温暖化される。
According to the structure of the first embodiment, when the outside air temperature or the temperature inside the case 3 is below a certain level or when the air conditioner is stopped, a predetermined current is applied to the auxiliary pattern 11 of the printed circuit board 8. Is supplied, and the printed circuit board 8 and the circuit component 9 are warmed by the electric heating effect.

【0021】したがって、回路部品9の中に、耐寒性が
不足し低温特性が低い電子部品等が含まれている場合で
も、それが温暖な状況におかれるようになるので、所望
の特性を維持できるとともに、高信頼性を得ることがで
きるようになる。
Therefore, even if the circuit component 9 includes an electronic component or the like having poor cold resistance and low low-temperature characteristics, it can be put in a warm condition, and thus desired characteristics can be maintained. It is possible to obtain high reliability.

【0022】図4は本発明の第2実施例を示している。FIG. 4 shows a second embodiment of the present invention.

【0023】本実施例のプリント配線基板1Aも前記第
1実施例と略同様に、プリント基板8に回路パターンと
ともに電熱用の補助パターン11を形成しているが、前
記第1実施例と異なり、プリント基板8上の回路部品で
ある集積回路9aの近傍に温度センサ14を搭載し、そ
の温度センサ14から出力される検出信号に基づいて、
制御器15により、補助パターン11への電流供給を行
う電源駆動装置16を制御するようにしている。
The printed wiring board 1A of the present embodiment also has a circuit pattern and an auxiliary pattern 11 for electric heating formed on the printed board 8 in substantially the same manner as in the first embodiment, but unlike the first embodiment, A temperature sensor 14 is mounted near the integrated circuit 9a, which is a circuit component on the printed circuit board 8, and based on a detection signal output from the temperature sensor 14,
The controller 15 controls the power supply driving device 16 that supplies a current to the auxiliary pattern 11.

【0024】すなわち、温度センサ14によって、例え
ばプリント基板8上の集積回路9a近傍部位が10℃以
下であることが検出された場合に補助パターン11に通
電し、また20℃に達した場合に通電を停止するように
している。
That is, the temperature sensor 14 energizes the auxiliary pattern 11 when it is detected that the temperature on the printed circuit board 8 near the integrated circuit 9a is 10 ° C. or lower, and when it reaches 20 ° C. I'm trying to stop.

【0025】なお、他の構成は前記第1実施例と同様で
あるから、図4の対応箇所に図1と同一符号を付して説
明を省略する。
Since the other structure is the same as that of the first embodiment, the corresponding parts in FIG. 4 are designated by the same reference numerals as those in FIG. 1 and their explanations are omitted.

【0026】本実施例によれば、空気調和機の運転およ
び停止の状態を問わず、回路部品が例えば10℃以下と
なった時に補助パターン11に通電が行われて加温さ
れ、また20℃以上となった場合に加温が停止されるよ
うになるので、電子部品等を常に望ましい一定の温度範
囲におくことができる。
According to this embodiment, the auxiliary pattern 11 is energized and heated when the temperature of the circuit parts falls below, for example, 10 ° C., regardless of whether the air conditioner is in operation or stopped, and 20 ° C. In the above case, the heating is stopped, so that the electronic components and the like can always be kept in a desired constant temperature range.

【0027】したがって、部品が低温だけでなく、高温
からも保護されるようになり、一層の特性向上が図れる
とともに、信頼性確保が図れるようなる。
Therefore, the parts are protected not only from the low temperature but also from the high temperature, so that the characteristics can be further improved and the reliability can be ensured.

【0028】[0028]

【発明の効果】以上のように、請求項1の発明による
と、プリント基板に一定の電気抵抗を有する電熱用の補
助パターンを形成したので、この補助パターンに所定の
電流を供給することにより電熱作用によって部品の温暖
化が可能となり、低温特性が低い部品等でも、所望の特
性維持、高信頼性が得られる等の効果が奏される。
As described above, according to the first aspect of the invention, since the auxiliary pattern for electric heating having a constant electric resistance is formed on the printed board, the electric current is supplied by supplying a predetermined current to the auxiliary pattern. Due to the action, warming of parts can be achieved, and even for parts having low low-temperature characteristics, desired characteristics can be maintained and high reliability can be obtained.

【0029】また、請求項2の発明によると、プリント
基板に温度センサを搭載したので、回路部品の温度を検
知して回路部品を上下一定の温度範囲内におくことがで
き、回路部品が低温だけでなく高温からも保護でき、一
層の特性向上、信頼性確保が図れる等の効果が奏され
る。
Further, according to the invention of claim 2, since the temperature sensor is mounted on the printed circuit board, the temperature of the circuit component can be detected and the circuit component can be kept in a constant temperature range above and below, so that the temperature of the circuit component is low. Not only can it be protected from high temperatures, but the characteristics can be further improved and reliability can be ensured.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明に係る空気調和機用プリント配線基板の
第1実施例を示す斜視図。
FIG. 1 is a perspective view showing a first embodiment of a printed wiring board for an air conditioner according to the present invention.

【図2】同実施例におけるパターン構成を示す斜視図。FIG. 2 is a perspective view showing a pattern configuration in the embodiment.

【図3】同実施例による基板を用いた空気調和機の室外
機を示す斜視図。
FIG. 3 is a perspective view showing an outdoor unit of an air conditioner using the substrate according to the embodiment.

【図4】本発明に係る空気調和機用プリント配線基板の
第2実施例を示す斜視図。
FIG. 4 is a perspective view showing a second embodiment of a printed wiring board for an air conditioner according to the present invention.

【符号の説明】[Explanation of symbols]

1 プリント配線基板 8 プリント基板 9 回路部品 10 回路パターン 11 補助パターン 14 温度センサ 1 Printed Wiring Board 8 Printed Circuit Board 9 Circuit Parts 10 Circuit Pattern 11 Auxiliary Pattern 14 Temperature Sensor

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 プリント基板に回路部品を搭載した空気
調和機用プリント配線基板において、前記プリント基板
に、回路パターンと非接触な配置で、一定の電気抵抗を
有する電熱用の補助パターンを形成したことを特徴とす
る空気調和機械用プリント配線基板。
1. A printed wiring board for an air conditioner in which circuit components are mounted on a printed circuit board, wherein an auxiliary pattern for electric heating having a constant electric resistance is formed on the printed circuit board in a non-contact arrangement with the circuit pattern. A printed wiring board for an air conditioning machine, which is characterized in that
【請求項2】 プリント基板に回路部品を搭載した空気
調和機用プリント配線基板において、前記プリント基板
に、回路パターンと非接触な配置で、一定の電気抵抗を
有する電熱用の補助パターンを形成するとともに、前記
プリント基板上の回路部品近傍に温度センサを搭載した
ことを特徴とする空気調和機用プリント配線基板。
2. In a printed wiring board for an air conditioner in which circuit components are mounted on a printed circuit board, an auxiliary pattern for electric heating having a constant electric resistance is formed on the printed circuit board in a non-contact arrangement with the circuit pattern. At the same time, a temperature sensor is mounted on the printed circuit board in the vicinity of a circuit component, and a printed wiring board for an air conditioner is provided.
JP34120891A 1991-12-24 1991-12-24 Printed wiring board for air conditioner Pending JPH05172373A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP34120891A JPH05172373A (en) 1991-12-24 1991-12-24 Printed wiring board for air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34120891A JPH05172373A (en) 1991-12-24 1991-12-24 Printed wiring board for air conditioner

Publications (1)

Publication Number Publication Date
JPH05172373A true JPH05172373A (en) 1993-07-09

Family

ID=18344217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34120891A Pending JPH05172373A (en) 1991-12-24 1991-12-24 Printed wiring board for air conditioner

Country Status (1)

Country Link
JP (1) JPH05172373A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004068688A1 (en) * 2003-01-28 2004-08-12 Toshiba Carrier Corporation Air-conditioner controller
CN100466441C (en) * 2003-01-28 2009-03-04 东芝开利株式会社 Air-conditioner controller
JP2014005947A (en) * 2012-06-21 2014-01-16 Mitsubishi Electric Corp Outdoor machine of air conditioner and method for controlling the same
JP2015045429A (en) * 2013-08-27 2015-03-12 株式会社ガスター Hot water supply device
JP2015215105A (en) * 2014-05-08 2015-12-03 ダイキン工業株式会社 Refrigeration device
WO2016135976A1 (en) * 2015-02-27 2016-09-01 三菱電機株式会社 Air conditioner control system and air conditioner control method
WO2017077649A1 (en) * 2015-11-06 2017-05-11 三菱電機株式会社 Outdoor unit of air-conditioner

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004068688A1 (en) * 2003-01-28 2004-08-12 Toshiba Carrier Corporation Air-conditioner controller
CN100466441C (en) * 2003-01-28 2009-03-04 东芝开利株式会社 Air-conditioner controller
JP2014005947A (en) * 2012-06-21 2014-01-16 Mitsubishi Electric Corp Outdoor machine of air conditioner and method for controlling the same
JP2015045429A (en) * 2013-08-27 2015-03-12 株式会社ガスター Hot water supply device
JP2015215105A (en) * 2014-05-08 2015-12-03 ダイキン工業株式会社 Refrigeration device
WO2016135976A1 (en) * 2015-02-27 2016-09-01 三菱電機株式会社 Air conditioner control system and air conditioner control method
JPWO2016135976A1 (en) * 2015-02-27 2017-06-15 三菱電機株式会社 Air conditioner control system and air conditioner control method
CN107208905A (en) * 2015-02-27 2017-09-26 三菱电机株式会社 The control method of air-conditioner control system and air-conditioning
WO2017077649A1 (en) * 2015-11-06 2017-05-11 三菱電機株式会社 Outdoor unit of air-conditioner
JPWO2017077649A1 (en) * 2015-11-06 2018-05-10 三菱電機株式会社 Air conditioner outdoor unit

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