JPH01275977A - Proportional flow control valve and indoor temperature control system - Google Patents
Proportional flow control valve and indoor temperature control systemInfo
- Publication number
- JPH01275977A JPH01275977A JP10039088A JP10039088A JPH01275977A JP H01275977 A JPH01275977 A JP H01275977A JP 10039088 A JP10039088 A JP 10039088A JP 10039088 A JP10039088 A JP 10039088A JP H01275977 A JPH01275977 A JP H01275977A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- shaft
- proportional flow
- control valve
- valve shaft
- 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
- 239000012530 fluid Substances 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 101100313377 Caenorhabditis elegans stip-1 gene Proteins 0.000 abstract 1
- 101100313382 Dictyostelium discoideum stip-2 gene Proteins 0.000 abstract 1
- 101100516335 Rattus norvegicus Necab1 gene Proteins 0.000 abstract 1
- 101150059016 TFIP11 gene Proteins 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000006903 response to temperature Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は温水などの熱媒体を用いる空調装置等において
該熱媒体等の低圧流体の流量を精確に制御するための比
例式流量制御弁に関する。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a proportional flow control valve for accurately controlling the flow rate of a low-pressure fluid such as a heat medium in an air conditioner using a heat medium such as hot water. .
室内熱交換器に温水などを供給して循環させ、該室内熱
交換器で加温された室内空気をファンなどを用いて温風
として吹き出すようにした暖房装置は公知である。2. Description of the Related Art A heating device is known in which hot water or the like is supplied and circulated through an indoor heat exchanger, and indoor air heated by the indoor heat exchanger is blown out as warm air using a fan or the like.
このような従来の暖房装置はたとえば第３図に示すよう
に、室内熱交換器Ｈにはたとえば温水ボイラＢなどによ
ってはシ一定温度となるように加熱された温水がポンプ
Ｐによって供給され、室内温度の調節はファンＦの風量
の切換えによって行われるのが普通であった。従って、
室内熱交換器Ｈの負荷が大きくなるとその中を通る温水
の温度が低下するので、温度の、低下を検出して温水の
流量を増加させるような自動制御弁ＣＶを温水循環配管
系に組み込み、室内熱交換器Ｈの温度を一定に保つよう
にしていた。In such a conventional heating system, as shown in FIG. 3, for example, hot water heated to a constant temperature by a hot water boiler B is supplied to an indoor heat exchanger H by a pump P, and the indoor heat exchanger H is heated to a constant temperature. Normally, the temperature was adjusted by changing the air volume of the fan F. Therefore,
As the load on the indoor heat exchanger H increases, the temperature of the hot water passing through it will drop, so an automatic control valve CV that detects the drop in temperature and increases the flow rate of hot water is incorporated into the hot water circulation piping system. The temperature of the indoor heat exchanger H was kept constant.
上述のような暖房装置に用いられる自動制御弁は、たと
えば弁の入口側にワックス等の温度による体積変化率の
大きい感温媒体を封入した感温体やバイメタルなどの熱
モータを取り付け、これによって弁体を開閉するように
したものであった。The automatic control valves used in the above-mentioned heating devices are equipped with a heat motor such as a bimetal or a temperature-sensitive body filled with a temperature-sensitive medium such as wax that has a large rate of change in volume due to temperature, on the inlet side of the valve. The valve body was designed to open and close.
前記のような従来の暖房装置は、多数の室内熱交換器を
並列に設置してそれぞれ独立に暖房の制御を行なうもの
で、比較的に経済的な暖房システムではあるが、室内熱
交換器の熱容量が大きいために温度変化に対する応答が
遅れ、また場合によっては流量のハンチングを起し、そ
の結果温風の温度が変動して不快感を与えるなどの欠点
があった。Conventional heating systems such as those described above install a large number of indoor heat exchangers in parallel and control heating independently of each other, and although it is a relatively economical heating system, Due to the large heat capacity, the response to temperature changes is delayed, and in some cases, hunting may occur in the flow rate, resulting in fluctuations in the temperature of the hot air, causing discomfort.
そこで本発明は、温風の吹出温度が安定となり快適で精
度のよい室内温度調節システムを構成することを目的と
して、室内熱交換器への温水の供給量制御を精度よく行
なうことができる比例式流量制御弁を提供しようとする
ものである。Therefore, the present invention has developed a proportional system that can precisely control the amount of hot water supplied to an indoor heat exchanger, with the aim of constructing a comfortable and accurate indoor temperature control system that stabilizes the temperature at which hot air is blown out. The present invention attempts to provide a flow control valve.
本発明の目的を達成できる比例式流量制御弁は、弁体を
先端部に結合した弁シャフトを弁本体の端部に設けた流
体シール部に貫通させて少くとも軸方向に移動自在であ
るように設けると共に、回転に伴って軸方向に移動する
ロータを備えたステッピングモータを該弁本体の端部の
外側に該弁シャフトと同軸に設け、該ロータの軸端と該
弁シャフトの基端との間に推力を受けるためのボールを
介在さゼた回転軸受を形成してなるものである。A proportional flow rate control valve capable of achieving the object of the present invention is such that the valve shaft, which has a valve body connected to its tip, penetrates a fluid seal provided at the end of the valve body, and is movable at least in the axial direction. A stepping motor equipped with a rotor that moves in the axial direction as it rotates is provided coaxially with the valve shaft outside the end of the valve body, and the shaft end of the rotor and the base end of the valve shaft are connected to each other. A rotating bearing is formed with a ball interposed therebetween to receive thrust.
そして更に、本発明の目的とする快適な温風を発生でき
る室内温度調節システムは、かかる比例式流量制御弁を
介して熱媒体を室内熱交換器に供給し、該室内熱交換器
からの送出風温度を検出する温度センサの出力に基いて
該比例式流量制御弁の開度を比例制御するよう構成した
ものである。Furthermore, the indoor temperature control system that can generate comfortable warm air, which is the object of the present invention, supplies the heat medium to the indoor heat exchanger through the proportional flow control valve, and The opening degree of the proportional flow rate control valve is proportionally controlled based on the output of a temperature sensor that detects wind temperature.
本発明の比例式流量制御弁は、風温を検出する温度セン
サの出力に基づいてステッピングモータの回転角度がデ
ィジタル制御され、これによって弁本体の端部に設けた
流体シール部を貫通させた弁シャフトが弁本体に精確に
出入する。弁シャフトの先端には弁体が結合しているの
で、弁開度はステッピングモータの回転角度に比例し、
室内熱交換器に供給される温水等の熱媒体の流量を比例
制御する。In the proportional flow control valve of the present invention, the rotation angle of the stepping motor is digitally controlled based on the output of a temperature sensor that detects air temperature. The shaft moves in and out of the valve body precisely. Since the valve body is connected to the tip of the valve shaft, the valve opening is proportional to the rotation angle of the stepping motor.
Proportional control of the flow rate of heat medium such as hot water supplied to the indoor heat exchanger.
本発明の比例式流量制御弁の実施例を第１図に示す。 An embodiment of the proportional flow control valve of the present invention is shown in FIG.
図において、１は弁本体であって第１流体通路１ａと第
２流体通路１ｂとの隔壁部に弁座ＩＣが形成されている
。２は弁体てあり、弁ばね３によって弁座ＩＣに向けて
付勢されている。なお３ａはばね受けである。In the figure, 1 is a valve body, and a valve seat IC is formed in a partition between a first fluid passage 1a and a second fluid passage 1b. Reference numeral 2 denotes a valve body, which is biased toward the valve seat IC by a valve spring 3. Note that 3a is a spring receiver.
弁本体１の軸線にそって弁シャフト４が設けてあり、弁
本体１の端部に設けた、たとえばフッ素樹脂等による減
摩加工を施した０リング５ａと抑え金具５ｂとからなる
流体シール５を貫通している。この弁シャフト４の先端
部４ａには弁体２が同軸に結合されている。A valve shaft 4 is provided along the axis of the valve body 1, and a fluid seal 5 is provided at the end of the valve body 1 and includes an O-ring 5a treated with anti-friction treatment using, for example, fluororesin, and a retainer 5b. penetrates through. The valve body 2 is coaxially connected to the tip end 4a of the valve shaft 4.
また、弁本体１の該端部の外側には、アクチユエータと
してのステッピングモータ６が弁本体１と同軸となるよ
うに取り付けられている。このステッピングモータ６は
、軸６ａの周囲にスペーサ６ｂを介して複数個のマグネ
ッ）６ｃを固定したロータが、ステータ側のコイル６ｄ
によって発生する磁界の移動に伴って回転するように構
成されており、軸６ａの外側面に形成された雄ねじがモ
ータのケースの底面に植立された雌ねじ筒６ｅに螺合さ
れているので、ロータの回転角度に比例して軸６ａが軸
線方向に直線移動するようになっているものである。Further, a stepping motor 6 as an actuator is attached to the outside of the end of the valve body 1 so as to be coaxial with the valve body 1. This stepping motor 6 has a rotor having a plurality of magnets 6c fixed around a shaft 6a via spacers 6b, and a coil 6d on the stator side.
The shaft 6a is configured to rotate with the movement of the magnetic field generated by the motor, and the male thread formed on the outer surface of the shaft 6a is screwed into the female thread cylinder 6e set on the bottom of the motor case. The shaft 6a is configured to move linearly in the axial direction in proportion to the rotation angle of the rotor.
本発明の比例式流量制御弁におけるステッピングモータ
６は、その軸６ａの端部にボール７を収容したベアリン
グ孔７ａが形成してあり、前記弁シャフト４の基端部４
ｂがベアリング孔７ａに嵌合すると共にボール７に接触
できるようになっている。従って、ステッピングモータ
６の回転に伴ってその軸６ａが回転しながら軸線方向に
移動すると、弁シャフト４はボール７を介して軸線方向
の動きのみを伝えられて弁本体１の軸線にそって直線移
動をし、弁ばね３と協働して弁体２を比例的に開閉させ
る。The stepping motor 6 in the proportional flow control valve of the present invention has a bearing hole 7a containing a ball 7 formed at the end of its shaft 6a, and the base end 4 of the valve shaft 4.
b fits into the bearing hole 7a and can come into contact with the ball 7. Therefore, when the shaft 6a rotates and moves in the axial direction as the stepping motor 6 rotates, the valve shaft 4 is transmitted with only axial movement via the balls 7 and moves straight along the axis of the valve body 1. It moves and cooperates with the valve spring 3 to proportionally open and close the valve body 2.
本発明の比例式流量制御弁を用いて構成された室内温度
調節システムの例を第２図に示す。本発明においては、
第３図の従来の装置における自動制御弁ＣＶの代りに本
発明の比例式流量制御弁Ｖを設け、吹出空気の温度を検
知する温度センサＴを室内熱交換器Ｈの近傍に取り付け
ておき、温度センサＴの出力をコントローラＣによって
処理してステッピングモータ駆動用パルス信号に変換し
て流量制御弁Ｖに送るように構成しである。FIG. 2 shows an example of an indoor temperature control system constructed using the proportional flow control valve of the present invention. In the present invention,
The proportional flow rate control valve V of the present invention is provided in place of the automatic control valve CV in the conventional device shown in FIG. 3, and a temperature sensor T for detecting the temperature of the blown air is installed near the indoor heat exchanger H. The controller C processes the output of the temperature sensor T, converts it into a stepping motor driving pulse signal, and sends the pulse signal to the flow rate control valve V.
かかる本発明の比例式流量制御弁は、安定した人力応答
特性を示し、水等の流体と接触する部分とステッピング
モータ部分とが摩擦抵抗の少ない駆動動力伝達機構によ
って隔離されているので、作動時にヒステリシス現象が
発生せずまた高信頼性である。そして、かかる本発明の
流量制御弁は暖房のみならず冷房用においても熱媒体流
量の制御に同様に利用することができる。また、本発明
の比例式流量制御弁を用いた室内温度調節システムは、
空気温度の変化に対して迅速に応答するので安定した吹
出空気温度を維持でき、快適な空調装置を構成すること
ができる。The proportional flow rate control valve of the present invention exhibits stable human power response characteristics, and the part that comes into contact with fluid such as water and the stepping motor part are isolated by a drive power transmission mechanism with low frictional resistance, so that when the valve is operated, There is no hysteresis phenomenon and the reliability is high. The flow rate control valve of the present invention can be similarly used to control the heat medium flow rate not only for heating but also for cooling. In addition, the indoor temperature control system using the proportional flow control valve of the present invention,
Since it responds quickly to changes in air temperature, a stable temperature of the blown air can be maintained, and a comfortable air conditioner can be constructed.
第１図は本発明の比例式流量制御弁の例の構造を示す断
面図、
第２図は本発明の比例式流量制御弁を用いた室内温度調
節システムの例の回路図であり、第３図は従来の温水循
環式の暖房装置の回路図である。
１・・・弁本体、２・・・弁体、３・・・弁ばね、４・
・・弁シャフト、５・・・流体シール、６・・・ステッ
ピングモータ、６ａ・・・軸、７・・・ボーノペＢ・・
・温水ボイラ、Ｃ・・・コントローラ、Ｆ・・・ファン
、Ｈ・・・室内熱交換器、Ｐ・・・ポンプ、Ｔ・・・温
度センサ、■・・・比例式流量制御弁、ＣＶ・・・自動
制御弁。
特許出願人 株式会社鷺宮製作所
第２図
第３図FIG. 1 is a sectional view showing the structure of an example of the proportional flow control valve of the present invention, FIG. 2 is a circuit diagram of an example of an indoor temperature control system using the proportional flow control valve of the present invention, and FIG. The figure is a circuit diagram of a conventional hot water circulation type heating device. 1... Valve body, 2... Valve body, 3... Valve spring, 4...
...Valve shaft, 5...Fluid seal, 6...Stepping motor, 6a...Shaft, 7...Bonope B...
・Hot water boiler, C...Controller, F...Fan, H...Indoor heat exchanger, P...Pump, T...Temperature sensor, ■...Proportional flow control valve, CV・...Automatic control valve. Patent applicant Saginomiya Seisakusho Co., Ltd. Figure 2 Figure 3
Claims (2)
部に設けた流体シール部に貫通させて少くとも軸方向に
移動自在であるように設けると共に、回転に伴って軸方
向に移動するロータを備えたステッピングモータを該弁
本体の端部の外側に該弁シャフトと同軸に設け、該ロー
タの軸端と該弁シャフトの基端との間に推力を受けるた
めのボールを介在させた回転軸受を形成してなる比例式
流量制御弁。(1) A valve shaft with a valve body connected to its tip is provided so as to be movable at least in the axial direction by passing through a fluid seal provided at the end of the valve body, and also to be movable in the axial direction as it rotates. A stepping motor equipped with a moving rotor is provided outside the end of the valve body coaxially with the valve shaft, and a ball is interposed between the shaft end of the rotor and the base end of the valve shaft to receive thrust. A proportional flow control valve formed by a rotary bearing.
介して熱媒体を室内熱交換器に供給し、該室内熱交換器
からの送風温度を検出する温度センサの出力に基いて該
比例式流量制御弁の開度を比例制御するよう構成した室
内温度調節システム。(2) A heat medium is supplied to an indoor heat exchanger via the proportional flow rate control valve according to claim 1, and based on the output of a temperature sensor that detects the air temperature from the indoor heat exchanger. An indoor temperature control system configured to proportionally control the opening degree of the proportional flow rate control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10039088A JPH01275977A (en) | 1988-04-25 | 1988-04-25 | Proportional flow control valve and indoor temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10039088A JPH01275977A (en) | 1988-04-25 | 1988-04-25 | Proportional flow control valve and indoor temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01275977A true JPH01275977A (en) | 1989-11-06 |
Family
ID=14272670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10039088A Pending JPH01275977A (en) | 1988-04-25 | 1988-04-25 | Proportional flow control valve and indoor temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01275977A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160023A (en) * | 1996-11-28 | 1998-06-16 | Pacific Ind Co Ltd | Motor operated valve |
| JPH10332024A (en) * | 1997-05-27 | 1998-12-15 | Fuji Koki Corp | Motor operated valve |
| JP2003014152A (en) * | 2001-07-03 | 2003-01-15 | Shinwa Controls Co Ltd | Motor-driven control valve |
| JP2008261432A (en) * | 2007-04-12 | 2008-10-30 | Nidec Sankyo Corp | Valve element opening/closing device |
| JP2018105387A (en) * | 2016-12-26 | 2018-07-05 | 株式会社不二工機 | Electrical drive valve |
-
1988
- 1988-04-25 JP JP10039088A patent/JPH01275977A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160023A (en) * | 1996-11-28 | 1998-06-16 | Pacific Ind Co Ltd | Motor operated valve |
| JPH10332024A (en) * | 1997-05-27 | 1998-12-15 | Fuji Koki Corp | Motor operated valve |
| JP2003014152A (en) * | 2001-07-03 | 2003-01-15 | Shinwa Controls Co Ltd | Motor-driven control valve |
| JP2008261432A (en) * | 2007-04-12 | 2008-10-30 | Nidec Sankyo Corp | Valve element opening/closing device |
| JP2018105387A (en) * | 2016-12-26 | 2018-07-05 | 株式会社不二工機 | Electrical drive valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4523436A (en) | Incrementally adjustable electronic expansion valve | |
| US20060191677A1 (en) | Control of air conditioning cooling or heating coil | |
| JP4570484B2 (en) | Composite valve, heat pump type air conditioner and control method thereof | |
| CA2360251C (en) | Method for controlling a heating system and heating system | |
| US6176777B1 (en) | Self-modulating diffuser for air conditioning systems | |
| US3482623A (en) | Zone temperature control system | |
| JP2017145923A (en) | Motor operated valve | |
| JPH01275977A (en) | Proportional flow control valve and indoor temperature control system | |
| JP2001153236A (en) | Two-stage motor-driven expansion valve | |
| US6058955A (en) | Differential pressure valve for controlling a system having a heat carrying medium | |
| CA1239458A (en) | Control system for an electronic expansion valve in a refrigeration system | |
| CA2860042A1 (en) | A system for controlling ambient conditions within a given area with automated fluid register | |
| US6176435B1 (en) | Thermally powered diffuser | |
| US6351965B1 (en) | Cooling and heating cycle apparatus and refrigerant cycle apparatus | |
| EP1725798B1 (en) | Valve for reducing water hammer | |
| JP4064582B2 (en) | Evaporation pressure control valve | |
| JP4240040B2 (en) | Refrigerant shunt controller for heat exchanger for refrigeration equipment | |
| JPH0520635B2 (en) | ||
| EP3382492B1 (en) | Thermostatic actuator for radiator valve and zoned heating system comprising same | |
| JP3908843B2 (en) | Refrigeration / refrigeration cycle equipment and differential pressure regulating valve | |
| US3145925A (en) | Space air conditioning system and thermostatic control therefor | |
| EP3511635B1 (en) | Push pin bearing mechanism for actuators | |
| WO2023032481A1 (en) | Pressure regulating valve | |
| KR200186373Y1 (en) | Water temperature sensing type remote control apparatus for heated room temperature | |
| CN214699222U (en) | Elastic balance type electronic expansion valve with large-caliber on-off function |