JP2541522B2 - Water heater - Google Patents

Water heater

Info

Publication number
JP2541522B2
JP2541522B2 JP61204605A JP20460586A JP2541522B2 JP 2541522 B2 JP2541522 B2 JP 2541522B2 JP 61204605 A JP61204605 A JP 61204605A JP 20460586 A JP20460586 A JP 20460586A JP 2541522 B2 JP2541522 B2 JP 2541522B2
Authority
JP
Japan
Prior art keywords
valve
water
electromagnetic
governor
safety valve
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 - Lifetime
Application number
JP61204605A
Other languages
Japanese (ja)
Other versions
JPS6361814A (en
Inventor
宏 神谷
明彦 安田
洋一 樋口
晋徳 金広
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.)
HAAMAN KK
OOSAKA GASU KK
Original Assignee
HAAMAN KK
OOSAKA GASU KK
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 HAAMAN KK, OOSAKA GASU KK filed Critical HAAMAN KK
Priority to JP61204605A priority Critical patent/JP2541522B2/en
Publication of JPS6361814A publication Critical patent/JPS6361814A/en
Application granted granted Critical
Publication of JP2541522B2 publication Critical patent/JP2541522B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N1/00Regulating fuel supply
    • F23N1/08Regulating fuel supply conjointly with another medium, e.g. boiler water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00Measuring
    • F23N2225/04Measuring pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00Valves, nozzles or pumps
    • F23N2235/12Fuel valves
    • F23N2235/14Fuel valves electromagnetically operated
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00Valves, nozzles or pumps
    • F23N2235/12Fuel valves
    • F23N2235/20Membrane valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00Valves, nozzles or pumps
    • F23N2235/12Fuel valves
    • F23N2235/24Valve details

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Driven Valves (AREA)
  • Control Of Combustion (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、湯沸器等の給湯装置で、詳しくは、水加熱
用熱交換器への給水路に、水圧変化に応動して流量を調
整する水ガバナを介在させ、前記水加熱用熱交換器に対
するバーナへの燃料供給路に、安全弁と、前記水ガバナ
の水圧検出作動に連動して開き作動される水圧応動弁と
を介在させてある給湯装置に関する。
TECHNICAL FIELD The present invention relates to a hot water supply device such as a water heater, and more specifically, to a water supply passage to a water heating heat exchanger, which adjusts a flow rate in response to a change in water pressure. A water governor to be adjusted is provided, and a safety valve and a water pressure responsive valve that is opened in association with the water pressure detection operation of the water governor are provided in the fuel supply path to the burner for the water heating heat exchanger. One hot water supply device.

〔従来の技術〕[Conventional technology]

この種の給湯装置では、バーナで加熱せずに水のまま
出す所謂出水時において、水栓を開いて給水路に通水す
ると、その通水中のあいだ水ガバナの水圧検出作動に連
動して水圧応動弁が開き状態に維持されるため、燃料供
給路が一つの安全弁だけで遮断されることとなり、安全
上問題がある。
In this type of hot water supply device, when water is discharged without being heated by a burner, that is, when water is discharged, when the water tap is opened and water is passed through the water supply passage, the water pressure is linked to the water pressure detection operation of the water governor during the water passage. Since the response valve is kept open, the fuel supply path is shut off by only one safety valve, which is a safety problem.

そのため、従来では、前記燃料供給路に安全弁と同様
の機能を備えた補助安全弁を介在する安全対策が講じら
れている(文献を示すことができない)。
Therefore, conventionally, safety measures have been taken in which an auxiliary safety valve having the same function as the safety valve is provided in the fuel supply path (reference cannot be given).

〔発明が解決しようとする問題点〕[Problems to be solved by the invention]

この従来の給湯装置による場合は、出水時に水圧応動
弁が開放されても、安全弁と補助安全弁との2個で燃料
供給路を確実に遮断することができるものの、水圧応動
弁をも含めて燃料供給路中に比較的構造の複雑な3つの
弁を介在しなければならず、しかも、この安全弁及び補
助安全弁としては、操作性の面から製品単価が高く、か
つ、体積的にも大きな電磁弁が使用されるため、弁構造
を含む装置全体が複雑化、大型化するとともに、製造コ
ストも高くなる問題点がある。
In the case of this conventional hot water supply device, even if the hydraulic pressure responsive valve is opened during water discharge, the fuel supply passage can be reliably shut off by the two safety valves and auxiliary safety valves, but the fuel pressure responsive valve is also included. It is necessary to interpose three valves having a relatively complicated structure in the supply passage, and the safety valve and the auxiliary safety valve have a high product unit price in terms of operability and a large volume solenoid valve. Is used, the whole apparatus including the valve structure becomes complicated and large, and the manufacturing cost becomes high.

本発明は、この種の給湯装置に本来装備されている水
圧応動弁を利用した合理的な改造をもって、出水時にお
ける安全性を確保しながら装置全体の簡素化、コンパク
ト化ならびに製造コストの低廉化とを図ることができる
ようにする点にある。
The present invention has a rational modification using a water pressure responsive valve that is originally installed in this type of hot water supply device to simplify the entire device while ensuring safety at the time of water discharge, and to reduce the manufacturing cost. There is a point to be able to plan.

〔問題点を解決するための手段〕[Means for solving problems]

本発明による給湯装置は、前記安全弁を電磁式安全弁
に構成し、この電磁式安全弁を開閉制御する制御手段を
設けるとともに、前記水ガバナの水圧検出作動に基づく
水圧応動弁の開き作動を牽制する状態と牽制解除状態と
に切替可能な牽制機構を設け、この牽制機構が牽制状態
にあるとき、前記制御手段が前記電磁安全弁を閉じるよ
うに構成してあることを特徴とするものであり、それに
よる作用・効果は次の通りである。
In the hot water supply device according to the present invention, the safety valve is configured as an electromagnetic safety valve, control means for controlling the opening and closing of the electromagnetic safety valve is provided, and the opening operation of the water pressure responsive valve based on the water pressure detection operation of the water governor is restrained. Is provided with a check mechanism that can be switched between a check state and a check release state, and when the check mechanism is in the check state, the control means is configured to close the electromagnetic safety valve. The actions and effects are as follows.

〔作 用〕[Work]

給湯時には、前記牽制機構を牽制解除状態にセットす
ると、水ガバナの水圧検出作動に連動して水圧応動弁が
開き作動され、水加熱用熱交換器に必ず通水した状態で
バーナに点火することができる。それでいて、出水時に
は、前記牽制機構を牽制状態に切替えることにより、給
水路に通水しても、水圧応動弁が水ガバナの水圧検出作
動に基づいて開き作動されることがなく、かつ、電磁式
安全弁を開閉制御する制御手段が、この電磁式安全弁を
確実に閉じることになるので、この水圧応動弁と電磁式
安全弁との2個でバーナへの燃料供給路を常に確実に遮
断することができる。
When hot water is supplied, if the check mechanism is set to the check release state, the water pressure responsive valve is opened in conjunction with the water pressure detection operation of the water governor, and the burner is ignited with water always flowing through the water heating heat exchanger. You can Nevertheless, when the water is discharged, by switching the check mechanism to the check state, the water pressure responsive valve does not open based on the water pressure detection operation of the water governor even when water is passed through the water supply channel, and the electromagnetic type Since the control means for controlling the opening and closing of the safety valve surely closes this electromagnetic safety valve, the fuel supply passage to the burner can always be reliably shut off by the two hydraulically operated valve and electromagnetic safety valve. .

〔発明の効果〕〔The invention's effect〕

従って、水ガバナの水圧検出作動に基づく水圧応動弁
の開き作動を牽制する牽制機構が必要となるものの、従
来の電磁式補助安全弁に比して構造が簡単で、かつ、小
型なものに構成することができるから、出水時における
安全性を確保しながらも、弁構造を含めた装置全体の簡
素化とコンパクト化ならびに製造コストの低廉化とを図
ることができたのである。
Therefore, although a check mechanism for checking the opening operation of the water pressure responsive valve based on the water pressure detection operation of the water governor is required, the structure is simpler and smaller than the conventional electromagnetic auxiliary safety valve. Therefore, it is possible to simplify the entire apparatus including the valve structure, reduce the size of the apparatus, and reduce the manufacturing cost while ensuring the safety at the time of water discharge.

〔実施例〕〔Example〕

以下、本発明の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below with reference to the drawings.

第1図は元止め式の給湯装置を示し、これは、水加熱
用熱交換器(1)への給水路(2)に、電磁式の水栓
(3)、水圧変化に応動して流量を調整する水ガバナ
(4)、この水ガバナ(4)を通過した水の一部を熱交
換器(1)に接続した給湯路(5)に分流供給可能なミ
キシングバルブ(6)を介在するとともに、前記熱交換
器(1)に対するガスバーナ(7)への燃料供給路
(8)には、電磁式の安全弁(9)、前記水ガバナ
(4)の水圧検出作動に連動して開き作動される水圧応
動弁(10)、ガスガバナ(11)、バーナ(7)への燃料
供給量を変更する電磁式の能力切替弁(12)を介在し、
かつ、前記水ガバナ(4)の水圧検出作動に基づく水圧
応動弁(10)の開き作動を牽制する状態と牽制解除状態
とに手動切替自在な牽制機構(13)を設けてある。
FIG. 1 shows a hot water supply system of the main stop type, which has a water supply passage (2) to a heat exchanger (1) for heating water, an electromagnetic faucet (3), and a flow rate in response to a change in water pressure. And a mixing valve (6) capable of branching and supplying part of the water passing through the water governor (4) to the hot water supply passage (5) connected to the heat exchanger (1). Along with the fuel supply passage (8) to the gas burner (7) for the heat exchanger (1), an electromagnetic safety valve (9) and the water governor (4) are opened in conjunction with the water pressure detection operation. A hydraulic pressure responsive valve (10), a gas governor (11) and an electromagnetic capacity switching valve (12) for changing the amount of fuel supplied to the burner (7),
Further, a check mechanism (13) is provided which can be manually switched between a state in which the opening operation of the water pressure responsive valve (10) based on the water pressure detection operation of the water governor (4) is restrained and a state in which the restraint is released.

前記電磁式水栓(3)は、バルブケーシング(14)内
の流路を横断する状態で取付けられる止水弁(3a)及び
通水孔(3b)を備えたダイヤフラム(3c)と、前記止水
弁(3a)をパイロット弁(3d)を介して開閉作動させる
ソレノイド(3e)とから構成してある。
The electromagnetic water faucet (3) includes a diaphragm (3c) having a water shutoff valve (3a) and a water passage hole (3b) which are mounted in a state of traversing a flow passage in the valve casing (14), It is composed of a solenoid (3e) for opening and closing the water valve (3a) via a pilot valve (3d).

前記水ガバナ(4)は、バルブケーシング(14)に形
成されたガバナ室に、水栓(3)及びミキシングバルブ
(6)に連通する上流室(4a)と給水路(2)の下流側
に形成したベンチュリー部(4b)に流路(4c)を介して
連通する下流室(4d)とに区画するダイヤフラム(4e)
を設け、このダイヤフラム(4e)に、前記水圧応動弁
(10)のスピンドル(10a)をバネ(10b)の弾性付勢力
に抗して開き作動させるスピンドル(4f)と、水圧の増
大に伴うダイヤフラム(4e)の水圧応動弁(10)側への
変位に連動して、上流室(4a)の入口開口面積を減少す
る流量調整用弁体(4g)とを取付けて構成してある。
The water governor (4) is connected to the governor chamber formed in the valve casing (14), and is connected to the faucet (3) and the mixing valve (6) in the upstream chamber (4a) and the downstream side of the water supply passage (2). A diaphragm (4e) that divides the formed venturi portion (4b) into a downstream chamber (4d) communicating with the flow passage (4c).
The diaphragm (4e) is provided with a spindle (4f) for opening the spindle (10a) of the water pressure responsive valve (10) against the elastic biasing force of the spring (10b), and a diaphragm accompanying increase in water pressure. A flow rate adjusting valve element (4g) for reducing the inlet opening area of the upstream chamber (4a) is attached in association with the displacement of (4e) to the hydraulically operated valve (10) side.

前記牽制機構(13)は、前記給水路(2)の、水ガバ
ナ(4)とミキシングバルブ(6)との間に位置する流
路部分と前記流路(4c)とを連通するバイパス路(13
a)、及び、このバイパス路(13a)に介在された手動式
の開閉弁(13b)とから構成してあり、この手動式の開
閉弁(13b)よりも下流側のバイパス路(13a)が、前記
流路(4c)を介してベンチュリー部(4b)に連通してあ
る。
The check mechanism (13) includes a bypass path (4c) that connects the flow path portion (4c) of the water supply path (2) located between the water governor (4) and the mixing valve (6). 13
a) and a manual on-off valve (13b) interposed in the bypass passage (13a), and the bypass passage (13a) on the downstream side of the manual on-off valve (13b) is , Communicates with the venturi portion (4b) through the flow path (4c).

そして、この開閉弁(13b)を閉じ作動させた出湯モ
ードでは、通水に伴うベンチュリー部(4b)での差圧に
より、換言すれば、水ガバナ(4)の上流室(4a)と下
流室(4d)との間での差圧により、ダイヤフラム(4e)
を水圧応動弁(10)側に変位させ、水圧応動弁(10)を
開き作動させる。また、前記開閉弁(13b)を開き作動
させた出水モードでは、水ガバナ(4)の上流室(4a)
を通過した水の一部をバイパス路(13a)及び流路(4
c)を通して下流室(4d)に導き、この水ガバナ(4)
の上流室(4a)と下流室(4d)とをほぼ同圧にすること
により、ダイヤフラム(4e)の水圧応動弁(10)側への
変位を阻止し、この水圧応動弁(10)を閉じ状態に維持
すべく構成してある。
In the hot water discharge mode in which the opening / closing valve (13b) is closed, the pressure difference in the venturi section (4b) associated with water flow, in other words, the upstream chamber (4a) and the downstream chamber of the water governor (4). Diaphragm (4e) due to the differential pressure between (4d)
Is displaced toward the water pressure responsive valve (10) side to open and operate the water pressure responsive valve (10). Further, in the water discharge mode in which the opening / closing valve (13b) is opened and operated, the upstream chamber (4a) of the water governor (4) is
Part of the water that has passed through the bypass path (13a) and the flow path (4
This water governor (4) is led to the downstream chamber (4d) through c).
By making the upstream chamber (4a) and the downstream chamber (4d) of almost the same pressure, the displacement of the diaphragm (4e) to the hydraulic pressure responsive valve (10) side is prevented, and the hydraulic pressure responsive valve (10) is closed. It is configured to maintain the state.

また、前記バーナ(7)の燃焼炎を検出するフレーム
ロッド(15)、熱交換器(1)やバーナ(7)等を内装
するケーシング内の異常昇温に伴い溶断される温度ヒュ
ーズ(16)、プッシュボタン式のメインスイッチ(S
W0)、水ガバナ(4)のスピンドル(4f)にて水圧応動
弁(10)が開き側に押圧作動されたことを検出する点火
用スイッチ(SW1)、牽制機構(13)の開閉弁(13b)が
出湯モードに閉じ操作されたとき閉成され、出水モード
に開き操作されたときに開成されるモード切替スイッチ
(SW2)を、乾電池(17)を電源とする制御手段として
の制御回路(18)に電気的に接続して、この制御回路
(18)により、点火プラグ(19)、電磁式安全弁(9)
のソレノイド(9a)、水栓(3)のソレノイド(3e)を
次の如く作動制御すべく接続してある。
Further, a thermal fuse (16) that is blown due to an abnormal temperature rise in the casing containing the flame rod (15) for detecting the combustion flame of the burner (7), the heat exchanger (1), the burner (7), etc. , Push button type main switch (S
W 0 ), ignition switch (SW 1 ) for detecting that the hydraulic pressure responsive valve (10) is pushed to the open side by the spindle (4f) of the water governor (4), and opening / closing valve of the check mechanism (13) Control of the mode switch (SW 2 ), which is closed when (13b) is operated to close in the hot water mode and is opened when operated to open in the water mode, as a control means using the dry battery (17) as a power source. By electrically connecting to the circuit (18), the control circuit (18) allows a spark plug (19) and an electromagnetic safety valve (9).
The solenoid (9a) and the solenoid (3e) of the water faucet (3) are connected to control the operation as follows.

(イ)出湯の場合 先ず、牽制機構(13)の開閉弁(13b)を閉じ操作し
て出湯モードにセットする。この開閉弁(13b)の閉じ
操作に連動してモード切替スイッチ(SW2)が閉成され
る。この状態でメインスイッチ(SW0)をプッシュ操作
すると、電磁式水栓(3)のソレノイド(3e)に通電さ
れ、パイロット弁(3d)が開き作動され、水ガバナ
(4)に通水される。すると、ベンチュリー部(4b)で
生じた差圧により、ダイヤフラム(4e)が水圧応動弁
(10)側に変位し、水圧応動弁(10)が開き作動され
る。この開き作動に連動して点火用スイッチ(SW1)が
閉成され、点火プラグ(19)からの放電が開始されると
ともに、電磁式安全弁(9)のソレノイド(9a)に通電
され、電磁式安全弁(9)が開き操作されてバーナ
(7)に着火される。
(A) Hot water discharge First, the opening / closing valve (13b) of the check mechanism (13) is closed to set the hot water discharge mode. The mode selector switch (SW 2 ) is closed in conjunction with the closing operation of the open / close valve (13b). When the main switch (SW 0 ) is pushed in this state, the solenoid (3e) of the electromagnetic water faucet (3) is energized, the pilot valve (3d) is opened, and water is passed through the water governor (4). . Then, the diaphragm (4e) is displaced toward the hydraulic pressure responsive valve (10) by the differential pressure generated in the venturi portion (4b), and the hydraulic pressure responsive valve (10) is opened and actuated. The ignition switch (SW 1 ) is closed in conjunction with this opening operation, the discharge from the ignition plug (19) is started, and the solenoid (9a) of the electromagnetic safety valve (9) is energized to The safety valve (9) is opened and operated to ignite the burner (7).

(ロ)止水の場合 メインスイッチ(SW0)を再度プッシュ操作すると、
電磁式安全弁(9)のソレノイド(9a)及び電磁式水栓
(3)のソレノイド(3e)への通電が停止され、電磁式
安全弁(9)、電磁式水栓(3)、水圧応動弁(10)が
閉じ作動され、その結果、バーナ(7)への燃料供給路
(8)は電磁式安全弁(9)と水圧応動弁(10)との2
個で確実に遮断されることになる。
(B) When water is stopped When the main switch (SW 0 ) is pushed again,
The energization of the solenoid (9a) of the electromagnetic safety valve (9) and the solenoid (3e) of the electromagnetic water faucet (3) is stopped, and the electromagnetic safety valve (9), the electromagnetic water faucet (3), and the water pressure responsive valve ( As a result, the fuel supply path (8) to the burner (7) is closed by the electromagnetic safety valve (9) and the hydraulic pressure responsive valve (10).
It will be cut off individually.

(ハ)不着火等の異常事態が発生した場合 フレームロッド(15)の検出情報に基づいてバーナ
(7)の着火ミスや不測の断火が確認されたとき、或い
は、温度ヒューズ(16)が溶断したとき、電磁式安全弁
(9)のソレノイド(9a)及び電磁式水栓(3)のソレ
ノイド(3e)への通電が停止され、電磁式安全弁
(9)、電磁式水栓(3)、水圧応動弁(10)が閉じ作
動され、その結果、バーナ(7)への燃料供給路(8)
は電磁式安全弁(9)と水圧応動弁(10)との2個で確
実に遮断されることになる。
(C) When an abnormal situation such as non-ignition occurs When the ignition error or unexpected fire of the burner (7) is confirmed based on the detection information of the frame rod (15), or the temperature fuse (16) When melted, the solenoid (9a) of the electromagnetic safety valve (9) and the solenoid (3e) of the electromagnetic water faucet (3) are de-energized, and the electromagnetic safety valve (9), the electromagnetic water faucet (3), The water pressure responsive valve (10) is closed and actuated so that the fuel supply path (8) to the burner (7)
Will be reliably shut off by the electromagnetic safety valve (9) and the hydraulic pressure responsive valve (10).

尚、リセットする場合には、再度メインスイッチ(SW
0)をプッシュ操作すると、前述した(イ)の初期状態
に戻る。
When resetting, press the main switch (SW
Pushing 0 ) returns to the initial state of (a).

(ニ)出水の場合 牽制機構(13)の開閉弁(13b)を開き操作して出水
モードに切替える。この開閉弁(13b)の開き操作に連
動してモード切替スイッチ(SW2)が開成され、電磁式
安全弁(9)のソレノイド(9a)及び点火回路への通電
が不能となる。この状態でメインスイッチ(SW0)をプ
ッシュ操作すると、電磁式水栓(3)のソレノイド(3
e)のみに通電され、パイロット弁(3d)が開き作動さ
れて水ガバナ(4)に通水される。この水ガバナ(4)
の上流室(4a)を通過した水の一部はバイパス路(13
a)及び流路(4c)を通して下流室(4d)に導かれる。
すると、水ガバナ(4)の上流室(4a)と下流室(4d)
とがほぼ同圧となり、ダイヤフラム(4e)の水圧応動弁
(10)側への変位が阻止され、水圧応動弁(10)は閉じ
状態に維持される。その結果、バーナ(7)への燃料供
給路(8)は電磁式安全弁(9)と水圧応動弁(10)と
の2個で確実に遮断されることになる。
(D) In case of water discharge Open / close valve (13b) of check mechanism (13) to switch to water discharge mode. The mode selector switch (SW 2 ) is opened in conjunction with the opening operation of the on-off valve (13b), and the solenoid (9a) of the electromagnetic safety valve (9) and the ignition circuit cannot be energized. If you push the main switch (SW 0 ) in this state, the solenoid (3) of the electromagnetic faucet (3)
Only the e) is energized, the pilot valve (3d) is opened, and water is passed through the water governor (4). This water governor (4)
Part of the water that passed through the upstream chamber (4a) of
It is led to the downstream chamber (4d) through a) and the flow path (4c).
Then, the upstream chamber (4a) and the downstream chamber (4d) of the water governor (4)
And become almost the same pressure, the displacement of the diaphragm (4e) to the hydraulic pressure responsive valve (10) side is blocked, and the hydraulic pressure responsive valve (10) is maintained in a closed state. As a result, the fuel supply passage (8) to the burner (7) is reliably shut off by the electromagnetic safety valve (9) and the hydraulic pressure responsive valve (10).

次に、別の実施例について説明する。 Next, another embodiment will be described.

(I)第2図は先止め式の給湯装置を示し、これは、水
加熱用熱交換器(1)からの給湯路(5)の先端に水栓
(20)を取付けるとともに、前記牽制機構(13)の開閉
弁(13b)を電磁弁から構成し、かつ、前記制御回路(1
8)により電磁式の安全弁(9)及び開閉弁(13b)を次
の如く制御すべく構成したものである。
(I) FIG. 2 shows a front-end type hot water supply device, which is equipped with a faucet (20) at the tip of a hot water supply passage (5) from a water heating heat exchanger (1) and at the same time as the above-mentioned check mechanism. The on-off valve (13b) of (13) is composed of a solenoid valve, and the control circuit (1
The electromagnetic safety valve (9) and the on-off valve (13b) are configured by 8) as follows.

出湯の場合 メインスイッチ(SW0)を閉成すると、電磁式開閉弁
(13b)が閉じ作動される。この状態で水栓(20)を開
き操作して出水すると、ベンチュリー部(4b)で生じた
差圧により、水ガバナ(4)のダイヤフラム(4e)が水
圧応動弁(10)側に変位し、水圧応動弁(10)が開き作
動される。この開き作動に連動して点火用スイッチ(SW
1)が閉成され、点火プラグ(19)からの放電が開始さ
れるとともに、電磁式安全弁(9)が開き作動されてバ
ーナ(7)に着火される。
When tapping hot water When the main switch (SW 0 ) is closed, the electromagnetic on-off valve (13b) is closed. When the water faucet (20) is opened and water is discharged in this state, the diaphragm (4e) of the water governor (4) is displaced toward the hydraulic pressure responsive valve (10) side due to the differential pressure generated in the venturi portion (4b). The water pressure responsive valve (10) is opened and operated. The ignition switch (SW
1 ) is closed, and the discharge from the spark plug (19) is started, and the electromagnetic safety valve (9) is opened to ignite the burner (7).

止水の場合 水栓(20)を閉じ操作すると、ベンチュリー部(4b)
での差圧が無くなり、水ガバナ(4)の上流室(4a)と
下流室(4d)とがほぼ同圧となって水圧応動弁(10)が
閉じ作動される。これに伴って点火用スイッチ(SW1
が開成され、電磁式安全弁(9)が閉じ作動される。そ
の結果、バーナ(7)への燃料供給路(8)は電磁式安
全弁(9)と水圧応動弁(10)との2個で確実に遮断さ
れることになる。
When water is stopped When the faucet (20) is closed, the venturi section (4b)
, The upstream pressure chamber (4a) and the downstream pressure chamber (4d) of the water governor (4) have almost the same pressure, and the hydraulic pressure responsive valve (10) is closed. Along with this, the ignition switch (SW 1 )
Is opened and the electromagnetic safety valve (9) is closed. As a result, the fuel supply passage (8) to the burner (7) is reliably shut off by the electromagnetic safety valve (9) and the hydraulic pressure responsive valve (10).

不着火等の異常事態が発生した場合 フレームロッド(15)の検出情報に基づいてバーナ
(7)への着火ミスや不測の断火が確認されたとき、或
いは、温度ヒューズ(16)が溶断したとき、電磁式安全
弁(9)が閉じ作動されると同時に、電磁式開閉弁(13
b)が開き作動され、水ガバナ(4)の上流室(4a)を
通過した水の一部はバイパス路(13a)及び流路(4c)
を通して下流室(4d)に導かれ、水ガバナ(4)の上流
室(4a)と下流室(4d)とがほぼ同圧となり、水圧応動
弁(10)が閉じ作動される。その結果、異常発生時にお
いても、バーナ(7)への燃料供給路(8)は電磁式安
全弁(9)と水圧応動弁(10)との2個で確実に遮断さ
れることになる。
When an abnormal situation such as non-ignition occurs When the misfire or unexpected fire of the burner (7) is confirmed based on the detection information of the frame rod (15), or the thermal fuse (16) is blown At the same time, the electromagnetic safety valve (9) is closed and actuated at the same time
b) is opened and part of the water that has passed through the upstream chamber (4a) of the water governor (4) is bypassed (13a) and flow path (4c).
Through to the downstream chamber (4d), the upstream chamber (4a) and the downstream chamber (4d) of the water governor (4) have almost the same pressure, and the hydraulic pressure responsive valve (10) is closed. As a result, even when an abnormality occurs, the fuel supply passage (8) to the burner (7) can be reliably shut off by the electromagnetic safety valve (9) and the hydraulic pressure responsive valve (10).

尚、不着火時には、所定時間(5〜10sec)経過後、
電磁式開閉弁(13b)が自動的に閉じ作動されて上述の
出湯時の状態に戻り、バーナ(7)に着火される。
In addition, at the time of non-ignition, after a predetermined time (5-10 seconds) has elapsed,
The electromagnetic on-off valve (13b) is automatically closed to return to the above-described state when tapping hot water, and the burner (7) is ignited.

温度ヒューズ(16)等の安全装置系の場合には、電磁
式安全弁(9)と水圧応動弁(10)とによるガス遮断状
態に維持される。
In the case of a safety device system such as a temperature fuse (16), a gas shutoff state is maintained by the electromagnetic safety valve (9) and the water pressure responsive valve (10).

出水の場合 メインスイッチ(SW0)を開成して、開閉弁(13b)を
開き作動させると、給水路(2)中の水の一部がバイパ
ス路(13a)、流路(4c)と通して水ガバナ(4)の下
流室(4d)に導かれ、この水ガバナ(4)の上流室(4
a)と下流室(4d)とがほぼ同圧となる。その結果、水
栓(20)を開き操作して流水しても、水圧応動弁(10)
は閉じ状態に維持されるとともに、点火用スイッチ(SW
1)が開成したままとなり、電磁式安全弁(9)も閉じ
状態に維持される。
In case of water discharge When the main switch (SW 0 ) is opened and the on-off valve (13b) is opened and operated, part of the water in the water supply channel (2) passes through the bypass channel (13a) and flow channel (4c). Is led to the downstream chamber (4d) of the water governor (4), and the upstream chamber (4d) of this water governor (4).
The pressure is almost the same in a) and the downstream chamber (4d). As a result, even if the faucet (20) is opened and running water flows, the water pressure responsive valve (10)
Is kept closed and the ignition switch (SW
1 ) remains open and the electromagnetic safety valve (9) is also kept closed.

(II)上述の各実施例では、給水路(2)中の水の一部
を水ガバナ(4)の下流室(4d)に導き、この水ガバナ
(4)の上流室(4a)と下流室(4d)とをほぼ同圧にす
ることにより、水ガバナ(4)の水圧検出作動に基づく
水圧応動弁(10)の開き作動を牽制するべく構成した
が、水圧応動弁(10)のスピンドル(10a)の開き作動
をロックピン等で機械的に牽制するべく構成してもよ
い。
(II) In each of the above-mentioned embodiments, a part of the water in the water supply channel (2) is guided to the downstream chamber (4d) of the water governor (4), and the upstream chamber (4a) and the downstream side of this water governor (4). By making the pressure in the chamber (4d) almost the same, the opening operation of the water pressure responsive valve (10) based on the water pressure detection operation of the water governor (4) is configured to be restrained, but the spindle of the water pressure responsive valve (10) is The opening operation of (10a) may be mechanically restrained by a lock pin or the like.

要するに、前記牽制機構(13)としては、水ガバナ
(4)の水圧検出作動に基づく水圧応動弁(10)の開き
作動を可逆的に牽制できるものであれば如何なる構造を
採用してもよい。
In short, as the check mechanism (13), any structure may be adopted as long as it can reversibly check the opening operation of the water pressure responsive valve (10) based on the water pressure detection operation of the water governor (4).

(III)上述実施例では、制御回路(18)の電源として
乾電池(17)を使用したが、これに替えて外部電源等を
使用してもよい。
(III) In the above-mentioned embodiment, the dry battery (17) is used as the power source of the control circuit (18), but an external power source or the like may be used instead.

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

第1図は本発明に係る給湯装置の実施例を示す概略図で
あり、第2図は別の実施例を示す概略図である。 (1)……水加熱用熱交換器、(2)……給水路、
(4)……水ガバナ、(4a),(4d)……室、(4b)…
…ベンチュリー部、(4e)……ダイヤフラム、(7)…
…バーナ、(8)……燃料供給路、(9)……電磁式安
全弁、(10)……水圧応動弁、(13)……牽制機構、
(13a)……バイパス路、(13b)……開閉弁、(15),
(16)……異常検出手段、(18)……制御手段。
FIG. 1 is a schematic view showing an embodiment of a hot water supply apparatus according to the present invention, and FIG. 2 is a schematic view showing another embodiment. (1) …… Heat exchanger for water heating, (2) …… Water supply channel,
(4) …… Water governor, (4a), (4d) …… Room, (4b)…
… Venturi section, (4e) …… Diaphragm, (7)…
… Burner, (8) …… Fuel supply channel, (9) …… Electromagnetic safety valve, (10) …… Water pressure responsive valve, (13) …… Checking mechanism,
(13a) …… Bypass path, (13b) …… Open / close valve, (15),
(16) …… Abnormality detection means, (18) …… Control means.

フロントページの続き (72)発明者 樋口 洋一 大阪市東区平野町5丁目1番地 大阪瓦 斯株式会社内 (72)発明者 金広 晋徳 大阪市東区平野町5丁目1番地 大阪瓦 斯株式会社内 (56)参考文献 特開 昭57−85105(JP,A)Front page continuation (72) Inventor Yoichi Higuchi, 5-1, Hiranomachi, Higashi-ku, Osaka, Osaka Gas Co., Ltd. (56) References JP-A-57-85105 (JP, A)

Claims (4)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】上加熱用熱交換器(1)への給水路(2)
に、水圧変化に応動して流量を調整する水ガバナ(4)
を介在させ、前記水加熱用熱交換器(1)に対するバー
ナ(7)への燃料供給路(8)に、安全弁(9)と、前
記水ガバナ(4)の水圧検出作動に連動して開き作動さ
れる水圧応動弁(10)とを介在させてある給湯装置であ
って、前記安全弁(9)を電磁式安全弁に構成し、この
電磁式安全弁(9)を開閉制御する制御手段(18)を設
けるとともに、前記水ガバナ(4)の水圧検出作動に基
づく水圧応動弁(10)の開き作動を牽制する状態と牽制
解除状態とに切替可能な牽制機構(13)を設け、この牽
制機構(13)が牽制状態にあるとき、前記制御手段(1
8)が前記電磁式安全弁(9)を閉じるように構成して
ある給湯装置。
1. A water supply channel (2) to a heat exchanger (1) for upper heating.
In addition, a water governor that adjusts the flow rate in response to changes in water pressure (4)
Through a fuel valve (8) to the burner (7) for the heat exchanger (1) for heating water, the safety valve (9) and the water governor (4) are opened in association with the water pressure detection operation. A hot water supply device having an actuated water pressure responsive valve (10) interposed, wherein the safety valve (9) is an electromagnetic safety valve, and control means (18) for controlling the opening and closing of the electromagnetic safety valve (9). And a check mechanism (13) capable of switching between a check state and a release state of the opening operation of the water pressure responsive valve (10) based on the water pressure detection operation of the water governor (4). 13) is in the restraint state, the control means (1
Hot water supply device configured such that 8) closes the electromagnetic safety valve (9).
【請求項2】前記牽制機構(13)が前記水ガバナ(4)
のダイアフラム(4e)で区画された両室(4a),(4d)
を連通するバイパス路(13a)と、このバイパス路(13
a)に介在された開閉弁(13b)とから構成され、この開
閉弁(13b)よりも下流側の前記バイパス路(13a)部分
を、前記水ガバナ(4)よりも下流側の前記給水路
(2)に形成したベンチュリー部(4b)に連通してある
特許請求の範囲第1項に記載の給湯装置。
2. The check mechanism (13) comprises the water governor (4).
Compartments (4a), (4d) divided by the diaphragm (4e)
And the bypass path (13a) that connects the
a) and an on-off valve (13b) interposed between the bypass valve (13a) and the bypass passage (13a) downstream of the on-off valve (13b). The hot water supply apparatus according to claim 1, which is in communication with the venturi portion (4b) formed in (2).
【請求項3】前記開閉弁(13b)が手動式である特許請
求の範囲第2項に記載の給湯装置。
3. The water heater according to claim 2, wherein the on-off valve (13b) is of a manual type.
【請求項4】前記開閉弁(13b)が電磁式であり、人為
操作信号及び異常検出手段(15),(16)の異常検出信
号の何れかに基づいて、前記制御手段(18)が前記電磁
式開閉弁(13b)を開くように構成してある特許請求の
範囲第2項に記載の給湯装置。
4. The on-off valve (13b) is of an electromagnetic type, and the control means (18) is adapted to operate on the basis of one of an artificial operation signal and an abnormality detection signal of abnormality detection means (15), (16). The hot water supply apparatus according to claim 2, wherein the hot water supply device is configured to open the electromagnetic on-off valve (13b).
JP61204605A 1986-08-29 1986-08-29 Water heater Expired - Lifetime JP2541522B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61204605A JP2541522B2 (en) 1986-08-29 1986-08-29 Water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61204605A JP2541522B2 (en) 1986-08-29 1986-08-29 Water heater

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP7022450A Division JPH07253245A (en) 1995-02-10 1995-02-10 Hot water supply device

Publications (2)

Publication Number Publication Date
JPS6361814A JPS6361814A (en) 1988-03-18
JP2541522B2 true JP2541522B2 (en) 1996-10-09

Family

ID=16493226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61204605A Expired - Lifetime JP2541522B2 (en) 1986-08-29 1986-08-29 Water heater

Country Status (1)

Country Link
JP (1) JP2541522B2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5785105A (en) * 1980-11-18 1982-05-27 Matsushita Electric Ind Co Ltd Water volume controller

Also Published As

Publication number Publication date
JPS6361814A (en) 1988-03-18

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