JPH0552324A - Variable injection-volume petroleum burner - Google Patents
Variable injection-volume petroleum burnerInfo
- Publication number
- JPH0552324A JPH0552324A JP23747691A JP23747691A JPH0552324A JP H0552324 A JPH0552324 A JP H0552324A JP 23747691 A JP23747691 A JP 23747691A JP 23747691 A JP23747691 A JP 23747691A JP H0552324 A JPH0552324 A JP H0552324A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- pressure
- pump
- electromagnetic pump
- return
- 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
Links
Landscapes
- Feeding And Controlling Fuel (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、家庭用の給湯機，給
湯機付風呂釜等に使用する噴霧量可変石油バーナーに関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spray amount variable petroleum burner used for household water heaters, bath kettles with water heaters and the like.
【０００２】[0002]
【従来の技術】この発明に技術的に最も近い従来例とし
て、例えば、図５のように電磁式ポンプ等を使用した噴
霧量可変石油バーナーがある。この場合、第１の電磁式
ポンプ（以下「低圧ポンプ」という）から吐出される油
の量は、戻り形ノズルより噴霧される油の量に等しいと
いうことを利用して、低圧ポンプの吐出量を給湯機等の
負荷に応じて変化させ、これにより戻り形ノズルより噴
霧される油の量を比例的に変化させるという方式がとら
れていた。2. Description of the Related Art As a conventional example technically closest to the present invention, for example, there is a spray amount variable petroleum burner using an electromagnetic pump as shown in FIG. In this case, by utilizing the fact that the amount of oil discharged from the first electromagnetic pump (hereinafter referred to as "low pressure pump") is equal to the amount of oil sprayed from the return nozzle, the discharge amount of the low pressure pump Has been changed according to the load of the water heater and the like, whereby the amount of oil sprayed from the return type nozzle is proportionally changed.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、このよ
うな従来の電磁式ポンプを利用した噴霧量可変石油バー
ナーにおける低圧ポンプの吐出量の制御方式にあって
は、位相制御等により、低圧ポンプの最低吐出量と最大
吐出量等をコントローラのボリューム等により予め１個
ずつ調整する必要があり、煩雑であるとともに、低圧ポ
ンプの最低・最大の吐出量の調整時における油タンクの
レベルと、実際に給湯機等を設置した場所における油タ
ンクのレベルとが異なると、そのレベル差（圧力差）に
より、吐出量が変化するという問題点があった。However, in the control system of the discharge amount of the low-pressure pump in such a spray amount variable petroleum burner using the conventional electromagnetic pump, the minimum control of the low-pressure pump is performed by the phase control or the like. Since it is necessary to adjust the discharge amount and the maximum discharge amount etc. one by one in advance by the volume of the controller etc., it is complicated and the level of the oil tank at the time of adjusting the minimum and maximum discharge amounts of the low pressure pump and the actual hot water If the level of the oil tank at the place where the machine is installed is different, the level difference (pressure difference) changes the discharge amount.
【０００４】[0004]
【課題を解決するための手段】この発明は、このような
従来の問題点に着目してなされたもので、油タンクの油
を吸入・吐出する低圧ポンプと、低圧ポンプより送られ
た油を吸入し、高圧に加圧する高圧定差圧型の第２の電
磁式ポンプ（以下「高圧ポンプ」という）と、戻り形ノ
ズルと各々を連結する油送管と、戻り形ノズルの油戻路
から低圧ポンプと高圧ポンプの間の油送管に連結された
油戻管と、油戻管の途中に設けた圧力検出手段と、それ
らを制御する制御器等で構成し、圧力検出手段の検出値
が制御器で演算された所定の値になるように、前記低圧
ポンプの吐出量の調整、すなわち戻り形ノズルよりの油
の噴霧量の調整を行うという構造とすることにより、上
記問題点を解決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-mentioned problems of the prior art, and it is possible to provide a low pressure pump for sucking and discharging oil in an oil tank and an oil sent from the low pressure pump. A second high-pressure constant differential pressure type electromagnetic pump that inhales and pressurizes to a high pressure (hereinafter referred to as "high-pressure pump"), a return type nozzle and an oil feed pipe connecting each, and a low pressure from the return type nozzle oil return path. It is composed of an oil return pipe connected to the oil feed pipe between the pump and the high-pressure pump, pressure detection means provided in the middle of the oil return pipe, and a controller for controlling them. The above problem is solved by adopting a structure in which the discharge amount of the low-pressure pump is adjusted, that is, the amount of oil sprayed from the return type nozzle is adjusted so that the predetermined value calculated by the controller is obtained. The purpose is to.
【０００５】[0005]
【実施例】以下、この発明の実施例を図面に基づいて説
明する。図１は、この発明の一実施例を示す図である。
まず構成を説明すると、１は低圧ポンプであり、その油
吸入側は油送管６−１を介して油タンク５に接続されて
いる。低圧ポンプ１の油吐出側は油送管６−２を介して
高圧ポンプ２の油吸入側に接続されている。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing an embodiment of the present invention.
First, the configuration will be described. 1 is a low-pressure pump, the oil suction side of which is connected to the oil tank 5 via an oil feed pipe 6-1. The oil discharge side of the low pressure pump 1 is connected to the oil suction side of the high pressure pump 2 via an oil feed pipe 6-2.
【０００６】高圧ポンプ２の油吐出側は油送管６−３を
介して、内部に油送路８と油戻路９を有したノズルホル
ダー３の油往路８側に接続されている。ノズルホルダー
３の先端には戻り形のノズル４が接続されている。ノズ
ルホルダー３の油戻路９は油戻管７を介して、低圧ポン
プ１と高圧ポンプ２を接続する油送管６−２の途中に接
続されている。油戻管７の途中には油電磁弁１０と、圧
力センサー１１が接続されている。コントローラ１２
は、圧力センサー１１ならびに図示していない給湯機等
の温度、流量等を入力とし、演算し、低圧ポンプ１と、
高圧ポンプ２と、油電磁弁１０へ出力している。The oil discharge side of the high-pressure pump 2 is connected to the oil outgoing path 8 side of the nozzle holder 3 having the oil sending path 8 and the oil returning path 9 inside through the oil sending pipe 6-3. A return type nozzle 4 is connected to the tip of the nozzle holder 3. The oil return passage 9 of the nozzle holder 3 is connected via an oil return pipe 7 to an intermediate point of an oil feed pipe 6-2 connecting the low pressure pump 1 and the high pressure pump 2. An oil electromagnetic valve 10 and a pressure sensor 11 are connected in the middle of the oil return pipe 7. Controller 12
Is a low-pressure pump 1 that receives and calculates temperature, flow rate, etc. of the pressure sensor 11 and a water heater (not shown)
It outputs to the high-pressure pump 2 and the oil electromagnetic valve 10.
【０００７】[0007]
【作用】次に作用を説明する。戻り形ノズル４の油の噴
霧量は、戻り形ノズル４の油戻路、すなわち油戻管７内
の圧力と相関関係にあり、油戻管７内の圧力を制御すれ
ば戻り形ノズル４よりの油の噴霧量を制御できると言う
のは一般に良く知られている。[Operation] Next, the operation will be described. The amount of oil sprayed from the return type nozzle 4 has a correlation with the pressure in the oil return path of the return type nozzle 4, that is, the oil return pipe 7. If the pressure in the oil return pipe 7 is controlled, It is generally well known that the amount of oil spray can be controlled.
【０００８】低圧ポンプ１で油タンク５より吸入された
油は、ここで加圧され高圧ポンプ２に供給される。高圧
ポンプ２で更にこの油を加圧し、戻り形ノズル４に供給
される。戻り形ノズル４で一部は噴霧され、残りの油は
油戻路９ならびに油戻管７等を通って、低圧ポンプ１と
高圧ポンプ２を接続している油送管６−２の途中に戻さ
れる。圧力センサー１１は油戻管７内の圧力、すなわち
戻り形ノズル４の戻り圧力を検出し、この検出圧力値を
もとにコントローラ１２を介して低圧ポンプ１の吐出油
量の制御を行うようにした。The oil sucked from the oil tank 5 by the low pressure pump 1 is pressurized here and supplied to the high pressure pump 2. The high-pressure pump 2 further pressurizes this oil and supplies it to the return type nozzle 4. A part of the oil is sprayed by the return type nozzle 4, and the remaining oil passes through the oil return passage 9 and the oil return pipe 7 and the like, and is in the middle of the oil feed pipe 6-2 connecting the low pressure pump 1 and the high pressure pump 2. Will be returned. The pressure sensor 11 detects the pressure in the oil return pipe 7, that is, the return pressure of the return type nozzle 4, and controls the discharge oil amount of the low pressure pump 1 via the controller 12 based on the detected pressure value. did.
【０００９】例えば、戻り形ノズル４を１．３５ＧＰ
Ｈ、高圧ポンプ２の初期設定圧を７kg／cm2とした場
合、油戻管７内の圧力と、戻り形ノズル４よりの油の噴
霧量の関係（Ｐ1−Ｑ）、ならびに油戻管７内の圧力
（低圧ポンプ１の出口圧力）と、高圧ポンプ２の出口圧
力との関係（Ｐ1−Ｐ2）は図３のようになる。すなわ
ち、戻り形ノズル４よりの噴霧油量を３l／時にしよう
と思えば、油戻部の圧力Ｐ1を３kg／cm2にすれば良く、
噴霧油量を５l／時にしようと思えば、油戻部の圧力Ｐ1
を５kg／cm2にすれば良い。For example, the return type nozzle 4 is set to 1.35 GP.
H, when the initial setting pressure of the high-pressure pump 2 is 7 kg / cm 2 , the relationship between the pressure in the oil return pipe 7 and the amount of oil sprayed from the return nozzle 4 (P 1 -Q), and the oil return pipe The relationship (P 1 -P 2 ) between the pressure inside 7 (the outlet pressure of the low-pressure pump 1) and the outlet pressure of the high-pressure pump 2 is as shown in FIG. That is, if the amount of sprayed oil from the return type nozzle 4 is 3 l / hour, the pressure P 1 of the oil return part should be 3 kg / cm 2 ,
If the amount of sprayed oil is 5 l / hour, the pressure P 1
Should be 5 kg / cm 2 .
【００１０】このようにして、油戻部の圧力を圧力セン
サー１１で検出し、この圧力値がコントローラ１２で演
算された所定の圧力値になるように、低圧ポンプ１の制
御を行うようにした。本例においては、低圧ポンプ１の
駆動方式は位相制御であり、これにより吐出量の変更を
行った。高圧ポンプ２は半波整流の駆動方式とした。油
電磁弁１０は、ポンプ駆動時開で停止時閉となるように
した。In this way, the pressure of the oil return portion is detected by the pressure sensor 11, and the low pressure pump 1 is controlled so that this pressure value becomes the predetermined pressure value calculated by the controller 12. . In this example, the driving system of the low-pressure pump 1 is phase control, and the discharge amount is changed by this. The high-pressure pump 2 has a half-wave rectification drive system. The oil solenoid valve 10 is designed to be opened when the pump is driven and closed when the pump is stopped.
【００１１】[0011]
【発明の効果】以上のように、この発明によれば、その
構成を、油タンクの油を吸入・吐出する吐出量可変型の
第１の電磁式ポンプと、第１の電磁式ポンプより送られ
た油を吸入し、高圧に加圧する第２の電磁式ポンプと、
戻り形ノズルと各々を連結する油送管と、戻り形ノズル
の油戻路から第１の電磁式ポンプと第２の電磁式ポンプ
の間の油送管に連結された油戻管と、油戻管の途中に設
けた圧力検出手段と、それらを制御するコントローラ等
で構成し、圧力検出手段の検出出力値が制御器で演算さ
れた所定の値になるように、前記第１の電磁式ポンプの
吐出量の調整、すなわち戻り形ノズルよりの油の噴霧量
の調整を行うという構造とすることにより、従来例に示
すような第１の電磁式ポンプ個々の調整が不要となり、
油タンクのレベルによる噴霧量の変化がなくなるという
効果が得られる。As described above, according to the present invention, the configuration is such that the variable discharge first electromagnetic pump for sucking and discharging the oil in the oil tank and the first electromagnetic pump are used. A second electromagnetic pump that inhales the collected oil and pressurizes it to a high pressure;
An oil feed pipe connecting each of the return type nozzles, an oil return pipe connected from the oil return passage of the return type nozzle to an oil feed pipe between the first electromagnetic pump and the second electromagnetic pump, and an oil return pipe The first electromagnetic system is constituted by a pressure detecting means provided in the middle of the return pipe and a controller for controlling them so that the detection output value of the pressure detecting means becomes a predetermined value calculated by the controller. By adjusting the discharge amount of the pump, that is, by adjusting the amount of oil sprayed from the return type nozzle, it is not necessary to individually adjust the first electromagnetic pump as shown in the conventional example,
It is possible to obtain the effect that the spray amount does not change depending on the level of the oil tank.
【００１２】[0012]
【他の実施例】図２に示すように圧力検出手段を第１の
電磁式ポンプと第２の電磁式ポンプを結ぶ油送管の途中
に取り付けても、同等の効果が得られた。Other Embodiments As shown in FIG. 2, even if the pressure detecting means is attached in the middle of the oil feed pipe connecting the first electromagnetic pump and the second electromagnetic pump, the same effect can be obtained.
【図面の簡単な説明】[Brief description of drawings]
【図１】本発明の実施例を示す図である。FIG. 1 is a diagram showing an embodiment of the present invention.
【図２】本発明の他の実施例を示す図である。FIG. 2 is a diagram showing another embodiment of the present invention.
【図３】本発明の油戻管内の圧力と戻り形ノズルよりの
噴霧油量の関係、ならびに第１の電磁式ポンプ出口圧力
と第２の電磁式ポンプ出口圧力の関係を示すグラフであ
る。FIG. 3 is a graph showing the relationship between the pressure in the oil return pipe of the present invention and the amount of sprayed oil from the return type nozzle, and the relationship between the first electromagnetic pump outlet pressure and the second electromagnetic pump outlet pressure.
【図４】本発明を実際のバーナーに応用した場合の一実
施例である。FIG. 4 is an example of a case where the present invention is applied to an actual burner.
【図５】従来例を示す図である。FIG. 5 is a diagram showing a conventional example.
１ 第１の電磁式ポンプ ２ 第２の電磁式ポンプ ３ ノズルホルダー ４ 戻り形ノズル ５ 油タンク ６ 油送管 ７ 油戻管 ８ 油往路 ９ 油戻路 １０ 油電磁弁 １１ 圧力センサー １２ コントローラ １３ 燃焼筒 １４ 送風機 １５ 点火プラグ １６ 炎検出器 １７ 油ストレーナー 1 First Electromagnetic Pump 2 Second Electromagnetic Pump 3 Nozzle Holder 4 Return Type Nozzle 5 Oil Tank 6 Oil Feed Pipe 7 Oil Return Pipe 8 Oil Outgoing Route 9 Oil Returning Route 10 Oil Solenoid Valve 11 Pressure Sensor 12 Controller 13 Combustion Cylinder 14 Blower 15 Spark plug 16 Flame detector 17 Oil strainer
Claims (2)
と、第２の電磁式ポンプを使用した噴霧量可変石油バー
ナーにおいて、戻り形ノズルの戻り路から第２の電磁式
ポンプの油吸入側に連なる油戻り管の途中に、圧力検出
手段を設け、該圧力検出手段の検出値に基づき、第１の
電磁式ポンプの吐出量を調節する噴霧量可変石油バーナ
ー。1. In a spray amount variable petroleum burner using a return type nozzle, a first electromagnetic pump and a second electromagnetic pump, the oil suction of the second electromagnetic pump from the return path of the return type nozzle. A spray amount variable petroleum burner in which pressure detection means is provided in the middle of the oil return pipe connected to the side, and the discharge amount of the first electromagnetic pump is adjusted based on the detection value of the pressure detection means.
と、第２の電磁式ポンプを使用した噴霧量可変石油バー
ナーにおいて、第１の電磁式ポンプの出口から第２の電
磁式ポンプの入口に連なる油供給管の途中に、圧力検出
手段を設け、該圧力検出手段の検出値に基づき、第１の
電磁式ポンプの吐出量を調節する噴霧量可変石油バーナ
ー。2. A variable spray amount oil burner using a return type nozzle, a first electromagnetic pump and a second electromagnetic pump, wherein the outlet of the first electromagnetic pump is connected to the outlet of the second electromagnetic pump. A spray amount variable petroleum burner in which pressure detection means is provided in the middle of an oil supply pipe connected to the inlet, and the discharge amount of the first electromagnetic pump is adjusted based on the detection value of the pressure detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23747691A JPH0552324A (en) | 1991-08-23 | 1991-08-23 | Variable injection-volume petroleum burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23747691A JPH0552324A (en) | 1991-08-23 | 1991-08-23 | Variable injection-volume petroleum burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0552324A true JPH0552324A (en) | 1993-03-02 |
Family
ID=17015898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23747691A Pending JPH0552324A (en) | 1991-08-23 | 1991-08-23 | Variable injection-volume petroleum burner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0552324A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07127845A (en) * | 1993-11-01 | 1995-05-16 | Noritz Corp | Kerosene burner device |
| CN114753993A (en) * | 2022-03-25 | 2022-07-15 | 江铃汽车股份有限公司 | Noise reduction method and system for automobile oil pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61161864A (en) * | 1985-01-11 | 1986-07-22 | Nec Corp | Conference telephone equipment |
| JPS6213286A (en) * | 1985-07-10 | 1987-01-22 | Matsushita Electric Ind Co Ltd | Laser beam welding and fixing method |
| JPS6439011A (en) * | 1987-08-05 | 1989-02-09 | Nippon Automation Kk | Delay solenoid |
-
1991
- 1991-08-23 JP JP23747691A patent/JPH0552324A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61161864A (en) * | 1985-01-11 | 1986-07-22 | Nec Corp | Conference telephone equipment |
| JPS6213286A (en) * | 1985-07-10 | 1987-01-22 | Matsushita Electric Ind Co Ltd | Laser beam welding and fixing method |
| JPS6439011A (en) * | 1987-08-05 | 1989-02-09 | Nippon Automation Kk | Delay solenoid |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07127845A (en) * | 1993-11-01 | 1995-05-16 | Noritz Corp | Kerosene burner device |
| CN114753993A (en) * | 2022-03-25 | 2022-07-15 | 江铃汽车股份有限公司 | Noise reduction method and system for automobile oil pump |
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