JP2009257644A

JP2009257644A - Heat exchange apparatus and heating element storage apparatus using the same

Info

Publication number: JP2009257644A
Application number: JP2008105443A
Authority: JP
Inventors: Makoto Sugiyama; 誠杉山; Takuya Murayama; 拓也村山
Original assignee: Panasonic Corp
Current assignee: Panasonic Corp
Priority date: 2008-04-15
Filing date: 2008-04-15
Publication date: 2009-11-05
Anticipated expiration: 2028-04-15
Also published as: JP5386849B2

Abstract

<P>PROBLEM TO BE SOLVED: To cool a cabinet while high thermal load is applied thereto, in a heat exchange apparatus and a heating element storage apparatus using the heat exchange apparatus. <P>SOLUTION: This heat exchange apparatus includes: a body case 11 having first and second intake ports (7, 9) and first and second blowout ports (8, 10); a first blowing passage 17 communicating the first intake port 7 with the first blowout port 8; a second blowing passage 18 communicating the second intake port 9 with the second blowout port 10; a heat exchanger 14 for exchanging heat between air in the first blowing passage 17 and air in the second blowing passage 18; a first blower 12 interposed in the first blowing passage 17; and a second blower 13 interposed in the second blowing passage 18. A heat pump circuit is provided in the body case 11. In this heat pump circuit, blown air is supplied from the first blower 12 to a condenser 19, and blown air is supplied from the second blower 13 to an evaporator 20, so that the cabinet is cooled by a small heat exchange apparatus even when the thermal load in the cabinet is high. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、熱交換装置とそれを用いた発熱体収納装置に関するものである。 The present invention relates to a heat exchange device and a heating element storage device using the heat exchange device.

例えば、携帯電話の基地局は、数十アンペア以上の電流が流れることから、ある点では発熱体とも表現される。つまり、冷却をすることがその動作を安定化させるためには極めて重要なものとなる。このような携帯電話の基地局はその冷却を行う為に次のような構成をとっている。 For example, since a current of several tens of amperes or more flows in a mobile phone base station, it is also expressed as a heating element in a certain point. In other words, cooling is extremely important in order to stabilize the operation. Such a mobile phone base station has the following configuration in order to cool the base station.

すなわち、発熱体となる送・受信機を収納したキャビネットと、このキャビネットの開口部に装着された熱交換装置とを備えた構成となっていた。そして、熱交換装置の構造としては、例えば下記のような構成となっていた。 That is, it has a configuration including a cabinet in which a transmitter / receiver serving as a heating element is stored, and a heat exchange device mounted in an opening of the cabinet. And as a structure of the heat exchange apparatus, it became the following structures, for example.

すなわち、外気用の第１吸気口と第１吹出口およびキャビネット内用の第２吸気口および第２吹出口を有する本体ケースと、この本体ケース内に設けられた外気用の第１の送風機およびキャビネット内用の第２の送風機と、前記本体ケース内において室外空気とキャビネット内空気との熱交換を行う熱交換器とを備えた構成となっていた（例えば、特許文献１参照）。
特開平１０−１７０１７６号公報 That is, a main body case having a first intake port for outside air, a first air outlet, a second air inlet for the cabinet and a second air outlet, a first blower for outside air provided in the main body case, and It was the structure provided with the 2nd air blower for cabinet interiors, and the heat exchanger which performs heat exchange with outdoor air and cabinet air in the said main body case (for example, refer patent document 1).
JP-A-10-170176

従来の熱交換装置においては、上記のように、送・受信機からの発熱により温められたキャビネット内空気と室外空気とが熱交換器内を通過することによる熱交換によりキャビネット内空気の冷却を行っていた。しかし、例えば、外気温度が非常に高いような場所に設置する場合には、熱交換器を大きくして交換できる熱量を確保しなくてはならず、結果として大きな装置となっていた。 In the conventional heat exchanging device, as described above, the air in the cabinet is cooled by heat exchange by passing the air in the cabinet and the outdoor air heated by the heat generated from the transmitter / receiver through the heat exchanger. I was going. However, for example, when installed in a place where the outside air temperature is very high, the heat exchanger must be enlarged to ensure the amount of heat that can be exchanged, resulting in a large apparatus.

そこで、本発明は、小型で、かつ、キャビネット内に大きな熱負荷が発生したとき、あるいは、高い外気温度の場合にもキャビネット内を冷却することを目的とするものである。 SUMMARY OF THE INVENTION Accordingly, the present invention aims to cool the inside of the cabinet when it is small and a large heat load is generated in the cabinet or when the outside air temperature is high.

そして、この目的を達成する為に本発明は、第１、第２吸気口と、第１、第２吹出口とを有する本体ケースと、この本体ケース内において前記第１吸気口と第１吹出口を連通させた第１送風路と、前記本体ケース内において前記第２吸気口と第２吹出口を連通させた第２送風路と、これら第１、第２送風路に介在させ、第１送風路内の空気と第２送風路内の空気の熱交換を行わせる熱交換器と、前記第１送風路に介在させた第１送風機と、前記第２送風路に介在させた第２送風機とを備え、前記本体ケース内にヒートポンプ回路を設け、このヒートポンプ回路の凝縮器には第１送風機からの送風を供給し、蒸発器には第２送風機からの送風を供給する構成とした熱交換装置であり、これにより、所期の目的を達成するものである。 In order to achieve this object, the present invention provides a main body case having first and second air inlets and first and second air outlets, and the first air inlet and the first air outlet in the main body case. A first air passage that communicates with the outlet, a second air passage that communicates the second air inlet and the second air outlet in the main body case, and the first and second air passages. A heat exchanger for exchanging heat between the air in the air passage and the air in the second air passage, a first fan interposed in the first air passage, and a second fan interposed in the second air passage A heat pump circuit in the main body case, supplying heat from the first blower to the condenser of the heat pump circuit, and supplying heat from the second blower to the evaporator Device, which achieves the intended purpose.

以上のように本発明は、第１、第２吸気口と、第１、第２吹出口とを有する本体ケースと、この本体ケース内において前記第１吸気口と第１吹出口を連通させた第１送風路と、前記本体ケース内において前記第２吸気口と第２吹出口を連通させた第２送風路と、これら第１、第２送風路に介在させ、第１送風路内の空気と第２送風路内の空気の熱交換を行わせる熱交換器と、前記第１送風路に介在させた第１送風機と、前記第２送風路に介在させた第２送風機とを備え、前記本体ケース内にヒートポンプ回路を設け、このヒートポンプ回路の凝縮器には第１送風機からの送風を供給し、蒸発器には第２送風機からの送風を供給する構成とした熱交換装置であるので、キャビネット内の熱負荷が高いときにも冷却することができる。 As described above, according to the present invention, the main body case having the first and second air inlets, the first and second air outlets, and the first air inlet and the first air outlet are communicated with each other in the main body case. A first air passage, a second air passage in which the second air inlet and the second air outlet are communicated with each other in the main body case, and an air in the first air passage, interposed in the first and second air passages. And a heat exchanger for exchanging heat in the air in the second air passage, a first fan interposed in the first air passage, and a second fan interposed in the second air passage, Since the heat pump circuit is provided in the main body case, the condenser of the heat pump circuit supplies the air from the first fan, and the evaporator supplies the air from the second fan. Cooling is possible even when the heat load in the cabinet is high.

以下、本発明の実施の形態について図面を参照しながら説明する。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.

（実施の形態１）
図１において、１はビルディングを示し、その屋上２には携帯電話の基地局３が設けられている。基地局３は箱状のキャビネット４とこのキャビネット４内に設けた送・受信機５（図２、図３に示す）と前記キャビネット４の前面開口部にドアのごとく開閉自在に設けた熱交換装置６とにより構成されている（図１においては、閉鎖した図を示している。）。 (Embodiment 1)
In FIG. 1, reference numeral 1 denotes a building, and a mobile phone base station 3 is provided on the rooftop 2 thereof. The base station 3 has a box-shaped cabinet 4, a transmitter / receiver 5 (shown in FIGS. 2 and 3) provided in the cabinet 4, and heat exchange provided at the front opening of the cabinet 4 so as to be opened and closed like a door. It is comprised by the apparatus 6 (The closed figure is shown in FIG. 1).

図２、図３は、本実施の形態における熱交換装置６の断面を模式的に示したものである。熱交換装置６は、本体ケース１１内に外気用の第１送風機１２を設けた第１送風機室１５と、キャビネット４内の空気用の第２送風機１３を設けた第２送風機室１６と、外気の空気とキャビネット４内の空気との熱交換を行う熱交換器１４とを備えている。この本体ケース１１の前面となる面（図２、３における左側面）には、外気を吸い込む第１吸気口７と、吸い込んだ外気を熱交換した後に吹き出す第１吹出口８とが設けられている。また、本体ケース１１の背面（図２、３における右側面）には、キャビネット４内の空気を吸い込む第２吸気口９と、吸い込んだ空気を熱交換した後に吹き出す第２吹出口１０とが設けられている。 2 and 3 schematically show a cross section of the heat exchange device 6 in the present embodiment. The heat exchange device 6 includes a first blower chamber 15 in which a first blower 12 for outside air is provided in the main body case 11, a second blower chamber 16 in which a second blower 13 for air in the cabinet 4 is provided, The heat exchanger 14 performs heat exchange between the air in the cabinet 4 and the air in the cabinet 4. The front surface (the left side surface in FIGS. 2 and 3) of the main body case 11 is provided with a first air inlet 7 that sucks in outside air and a first air outlet 8 that blows out the sucked outside air after heat exchange. Yes. Moreover, the back surface (right side surface in FIGS. 2 and 3) of the main body case 11 is provided with a second air inlet 9 for sucking air in the cabinet 4 and a second air outlet 10 for blowing out the air after the heat is exchanged. It has been.

第１送風路１７（斜線網掛けの矢印）は、第１吸気口７と、熱交換器１４と、第１吹出口８とを連絡するように形成されている。一方、第２送風路１８（白抜き矢印）は、第２吸気口９と、熱交換器１４と、第２吹出口１０とを連絡するように形成されている。 The first air passage 17 (shaded hatched arrow) is formed so as to connect the first air inlet 7, the heat exchanger 14, and the first air outlet 8. On the other hand, the 2nd ventilation path 18 (open arrow) is formed so that the 2nd inlet port 9, the heat exchanger 14, and the 2nd blower outlet 10 may be connected.

図４に示すように、このような第１送風機１２、第２送風機１３、熱交換器１４とは、一体として熱交換ユニット５１としている。この熱交換ユニット５１の下部には、凝縮器１９と、蒸発器２０と、圧縮機２１とを設けたヒートポンプ回路が設けられている。このヒートポンプ回路は、一体としてヒートポンプユニット５２としている。 As shown in FIG. 4, the first blower 12, the second blower 13, and the heat exchanger 14 are integrated into a heat exchange unit 51. A heat pump circuit provided with a condenser 19, an evaporator 20, and a compressor 21 is provided below the heat exchange unit 51. This heat pump circuit is integrally formed as a heat pump unit 52.

図４、図５に示すように、熱交換ユニット５１には、第１送風路１７から分岐するように、その底面に分岐口２８が設けられている。ヒートポンプユニット５２には、分岐口２８に対面する天面に凝縮器連絡口２９とヒートポンプユニット５２の底面とを接続する連通管３０を設ける。熱交換ユニット５１の底面には、連通管３０の頂部開口に向けて下がり勾配となるような傾斜を設けている。凝縮器連絡口２９には、凝縮器ダンパー２３が設けられ、その開閉によって第１送風路１７を分岐し、凝縮器１９へ空気を供給する制御を行う。凝縮器１９の下流側には、外気への連絡口となる第３吹出口２２を設ける。第３吹出口２２には、排気ダンパー２４を設ける。また、第２送風路１８には、第２吹出口１０手前に蒸発器２０へ分岐するようになっており、分岐後の空気は第４吹出口２５からキャビネット４内に吹き出す。 As shown in FIGS. 4 and 5, the heat exchange unit 51 is provided with a branch port 28 on the bottom surface so as to branch from the first air passage 17. The heat pump unit 52 is provided with a communication pipe 30 that connects the condenser communication port 29 and the bottom surface of the heat pump unit 52 on the top surface facing the branch port 28. The bottom surface of the heat exchange unit 51 is provided with an inclination that becomes a downward gradient toward the top opening of the communication pipe 30. The condenser communication port 29 is provided with a condenser damper 23, which controls the supply of air to the condenser 19 by branching the first air passage 17 by opening and closing the condenser damper 23. On the downstream side of the condenser 19, a third outlet 22 serving as a connection port to the outside air is provided. An exhaust damper 24 is provided at the third outlet 22. Further, the second air passage 18 branches to the evaporator 20 before the second air outlet 10, and the branched air is blown into the cabinet 4 from the fourth air outlet 25.

このような構成においてその作用を説明する。 The operation of this configuration will be described.

まず、図２を用いて、通常の熱交換時の運転について説明する。発熱体（本実施の形態では送・受信機５）によって温められたキャビネット４内の空気は、第２送風機１３の運転によって本体ケース１１内（第２送風機室１６）に吸い込まれ、熱交換器１４を通って第２吹出口１０から再びキャビネット４内へと吹き出される。一方、外気は第１送風機１２の運転によって本体ケース１１内（第１送風機室１５）に吸い込まれ、熱交換器１４を通って第１吹出口８から外気へと吹き出される。熱交換器１４では、温められたキャビネット４内の空気（第２送風路１８を通過する空気）と冷たい外気（第１送風路１７を通過する空気）との熱交換が行われる。これによりキャビネット４内の空気は熱交換器１４により外気で冷却され、再び上記送・受信機５の冷却に供されることになる。 First, the operation | movement at the time of normal heat exchange is demonstrated using FIG. The air in the cabinet 4 warmed by the heating element (the transmitter / receiver 5 in the present embodiment) is sucked into the main body case 11 (second fan chamber 16) by the operation of the second fan 13, and the heat exchanger 14 is blown out again from the second outlet 10 into the cabinet 4. On the other hand, the outside air is sucked into the main body case 11 (first fan chamber 15) by the operation of the first blower 12, and blown out from the first air outlet 8 to the outside air through the heat exchanger 14. In the heat exchanger 14, heat exchange is performed between the warmed air in the cabinet 4 (air passing through the second air passage 18) and cold outside air (air passing through the first air passage 17). As a result, the air in the cabinet 4 is cooled by the outside air by the heat exchanger 14 and again used for cooling the transmitter / receiver 5.

次に、図３を用いて、熱交換器１４の能力だけではキャビネット４内を冷却できない場合について説明する。すなわち、発熱体（送・受信機５）の発熱量が大きいとき、あるいは、外気の温度が比較的高めの時には熱交換器１４による外気との熱交換ではキャビネット４内の空気が十分に冷やされない場合がある。このような場合に、図３のごとく、凝縮器ダンパー２３と排気ダンパー２４を開放し、第１送風路１７から凝縮器１９へ外気を供給する。このとき、圧縮機２１を運転することによってヒートポンプ回路を作動し、凝縮器１９では外気によって冷媒が冷却される。蒸発器２０では冷媒によって第２送風路１８から分岐された空気が冷却されてキャビネット４内に供給され、キャビネット４内の冷却を行うこととなる。 Next, the case where the inside of the cabinet 4 cannot be cooled only by the capability of the heat exchanger 14 will be described with reference to FIG. That is, when the heat generation amount of the heating element (transmitter / receiver 5) is large, or when the temperature of the outside air is relatively high, the air in the cabinet 4 is not sufficiently cooled by heat exchange with the outside air by the heat exchanger 14. There is a case. In such a case, as shown in FIG. 3, the condenser damper 23 and the exhaust damper 24 are opened, and the outside air is supplied from the first air passage 17 to the condenser 19. At this time, the heat pump circuit is operated by operating the compressor 21, and the refrigerant is cooled by the outside air in the condenser 19. In the evaporator 20, the air branched from the second air passage 18 is cooled by the refrigerant and supplied into the cabinet 4 to cool the inside of the cabinet 4.

上記のように、熱交換器１４による熱交換だけではキャビネット４内の空気を冷却しきれない場合に、ヒートポンプ回路を作動させてキャビネット４内の空気を冷却することができるという効果がある。また、熱交換装置６に設けた第１送風機１２によって供給される外気を凝縮器１９に供給する構成としたため、熱交換装置６の送風経路を利用して凝縮器１９冷却することが可能となる。 As described above, there is an effect that the air in the cabinet 4 can be cooled by operating the heat pump circuit when the air in the cabinet 4 cannot be cooled only by heat exchange by the heat exchanger 14. Moreover, since it was set as the structure which supplies the external air supplied by the 1st air blower 12 provided in the heat exchange apparatus 6 to the condenser 19, it becomes possible to cool the condenser 19 using the ventilation path | route of the heat exchange apparatus 6. FIG. .

また、熱交換ユニット５１とヒートポンプユニット５２を分離可能としたため、あまり外気が高温とならない地域で熱交換器１４だけで冷却可能な地域に設置する場合に、ヒートポンプユニット５２を外して熱交換装置６を構成することが可能になる。また、熱交換ユニット５１の第１送風路１７に浸入した水分（雨水など）は、熱交換ユニット５１の底面に設けた傾斜によって、連通管３０に向かって流れ、連通管３０を通って機外へと排出されることになる。 Further, since the heat exchange unit 51 and the heat pump unit 52 can be separated, when the heat exchanger unit 51 and the heat pump unit 52 are installed in an area where the outside air is not so hot and can be cooled only by the heat exchanger 14, the heat exchange unit 6 is removed. Can be configured. Further, moisture (rainwater or the like) that has entered the first air passage 17 of the heat exchange unit 51 flows toward the communication pipe 30 due to the inclination provided on the bottom surface of the heat exchange unit 51, and passes through the communication pipe 30 to the outside of the apparatus. Will be discharged.

また、凝縮器ダンパー２３は、図３に示すように、開放時のスリット面が第１送風機１２の回転軸と直交するように設けられている。このような構成によって第１送風機１２から吹き出した空気が凝縮器ダンパー２３によって整流されて凝縮器１９に供給されることになる。また、図示しないが、凝縮器１９のフィンの面は凝縮器ダンパー２３開放時のスリット面と平行になるようにすることによって、効率よく空気の流れを形成することができる。 Further, as shown in FIG. 3, the condenser damper 23 is provided so that the slit surface when opened is orthogonal to the rotation axis of the first blower 12. With such a configuration, the air blown from the first blower 12 is rectified by the condenser damper 23 and supplied to the condenser 19. Although not shown in the drawings, the air flow can be efficiently formed by making the fin surface of the condenser 19 parallel to the slit surface when the condenser damper 23 is opened.

また、ヒートポンプ回路を作動させたとき、すなわち、凝縮器ダンパー２３を開放した場合に、第１送風機１２の送風量は、第２送風機１３の送風量よりも多くすることによって、熱交換器１４を通過する外気量を変えずに凝縮器１９側にも送風することができる。 Further, when the heat pump circuit is operated, that is, when the condenser damper 23 is opened, the amount of air blown by the first blower 12 is made larger than the amount of air blown by the second blower 13, thereby making the heat exchanger 14 The air can also be blown to the condenser 19 side without changing the amount of outside air passing therethrough.

また、図３に示すように、排気ダンパー２４は、開放時に第１吸気口７と第３吹出口２２との間に衝立のように仕切るように設ける。このような構成により、第１吸気口７と第３吹出口２２との間のショートカットを防止することが可能になる。 As shown in FIG. 3, the exhaust damper 24 is provided so as to partition like a partition between the first air inlet 7 and the third air outlet 22 when opened. With such a configuration, it is possible to prevent a shortcut between the first air inlet 7 and the third air outlet 22.

図７に示すように、第２送風路１８は、熱交換器１４通過後で分岐し、一方を蒸発器２０に供給し、他方はそのまま第２吹出口１０からキャビネット４内に吹き出している。蒸発器２０に供給された空気は、第４吹出口２５からキャビネット４内に吹き出す。第２送風路１８の上記分岐点には、蒸発器ダンパー２６が設けられている。蒸発器ダンパー２６は、ヒートポンプ回路を作動させないときには、蒸発器２０側への風路を閉鎖し、ヒートポンプ回路を作動させるときには、蒸発器２０側への風路を開放し、さらに、第２吹出口１０の一部を閉鎖するようになっている。このような構成によれば、ヒートポンプ回路を作動したときに、第２送風機１３の運転条件を変えずに、蒸発器２０を通過する風量を確保することができる。 As shown in FIG. 7, the second air passage 18 branches after passing through the heat exchanger 14, one is supplied to the evaporator 20, and the other is blown into the cabinet 4 from the second outlet 10 as it is. The air supplied to the evaporator 20 is blown out into the cabinet 4 from the fourth outlet 25. An evaporator damper 26 is provided at the branch point of the second air passage 18. The evaporator damper 26 closes the air path to the evaporator 20 side when not operating the heat pump circuit, and opens the air path to the evaporator 20 side when operating the heat pump circuit. A part of 10 is closed. According to such a configuration, when the heat pump circuit is operated, the amount of air passing through the evaporator 20 can be ensured without changing the operating condition of the second blower 13.

蒸発器ダンパー２６は、第４吹出口２５に設けてもよい。この場合、蒸発器ダンパー２６はスライド式とし、ヒートポンプ回路を作動させないときには、第４吹出口２５を閉鎖し、ヒートポンプ回路を作動させるときには、第４吹出口２５を開放するとともに、第２吹出口１０側へスライドし、第２吹出口１０の一部を閉鎖するようになっている。また、この第４吹出口２５には、フィルター２７を設ける。このフィルター２７は、蒸発器２０で発生した結露水がキャビネット４内に浸入することを防ぐ効果がある。 The evaporator damper 26 may be provided at the fourth outlet 25. In this case, the evaporator damper 26 is a slide type, and when the heat pump circuit is not operated, the fourth outlet 25 is closed, and when the heat pump circuit is operated, the fourth outlet 25 is opened and the second outlet 10 is opened. It slides to the side and a part of 2nd blower outlet 10 is closed. In addition, a filter 27 is provided at the fourth outlet 25. The filter 27 has an effect of preventing the condensed water generated in the evaporator 20 from entering the cabinet 4.

図８に示すように、ヒートポンプユニット５２内には、凝縮器１９を収めた凝縮器室３２と、蒸発器２０を収めた蒸発器室３３が設けられている。凝縮器室３２は、連絡口２９側の前室３２ａと第３吹出口側の後室３２ｂとで構成され、凝縮器１９は後室３２ｂに設けられる。前室３２ａと後室３２ｂは仕切板３２ｃで仕切られている。仕切板３２ｃは、ヒートポンプ回路を作動するときに開放する。仕切板３２ｃは風路曲折方向の外側に回転軸が設けられ、開放時には、上流側に向けて仕切板３２ｃが倒れるようになっている。 As shown in FIG. 8, in the heat pump unit 52, a condenser chamber 32 that stores the condenser 19 and an evaporator chamber 33 that stores the evaporator 20 are provided. The condenser chamber 32 includes a front chamber 32a on the communication port 29 side and a rear chamber 32b on the third outlet side, and the condenser 19 is provided in the rear chamber 32b. The front chamber 32a and the rear chamber 32b are partitioned by a partition plate 32c. The partition plate 32c is opened when the heat pump circuit is operated. The partition plate 32c is provided with a rotating shaft on the outer side in the wind path bending direction, and when opened, the partition plate 32c is tilted toward the upstream side.

このような構成によれば、仕切板３２ｃは凝縮器１９へ空気を供給する際のダンパーの役目を果たすことになるが、開放時には空気の流れに対して曲折方向の外側の壁を形成するように仕切板３２ｃが位置するので、凝縮器１９を通過する空気が効率よく流れることになる。 According to such a configuration, the partition plate 32c serves as a damper when supplying air to the condenser 19, but when opened, it forms a wall outside in the bending direction with respect to the air flow. Since the partition plate 32c is located in the air, the air passing through the condenser 19 flows efficiently.

次に、ヒートポンプ回路の制御について説明する。ヒートポンプ回路、すなわち、圧縮機２１の運転制御については、蒸発器２０の出口での空気の温度が第１吸気口７から吸い込まれる空気の温度よりも高くなるように制御（ＯＮ／ＯＦＦ、あるいは回転数制御）を行う。このような制御によれば、蒸発器２０での結露が発生せず、キャビネット４内に水分が送り込まれることがなくなる。 Next, control of the heat pump circuit will be described. The operation control of the heat pump circuit, that is, the compressor 21, is controlled (ON / OFF or rotation) so that the temperature of the air at the outlet of the evaporator 20 is higher than the temperature of the air sucked from the first intake port 7. Number control). According to such control, condensation in the evaporator 20 does not occur, and moisture is not sent into the cabinet 4.

また、図９に示すのは、蒸発器２０とは別に、蒸発器２０ａを凝縮器１９の上流側に設ける構成である。外気温度がかなりの高温になる場合には、高温の空気が第１吸気口７から吸い込まれるため、凝縮器１９で十分に冷媒が冷却されずに、結果として蒸発器２０を通過する空気が十分に冷やされない場合がある。このような場合に、凝縮器１９の上流側に蒸発器２０ａを設け、一旦冷却した空気を凝縮器１９に供給することによって、キャビネット４内に供給する空気を冷却することができる。なお、凝縮器１９を通過する空気すべてが蒸発器２０ａを通過する必要はなく、その一部でもよい。 FIG. 9 shows a configuration in which an evaporator 20 a is provided on the upstream side of the condenser 19 separately from the evaporator 20. When the outside air temperature becomes a considerably high temperature, since the high-temperature air is sucked from the first air inlet 7, the refrigerant is not sufficiently cooled by the condenser 19, and as a result, the air passing through the evaporator 20 is sufficient. May not cool down. In such a case, the evaporator 20 a is provided on the upstream side of the condenser 19, and the air supplied into the cabinet 4 can be cooled by supplying the cooled air to the condenser 19. It is not necessary for all the air passing through the condenser 19 to pass through the evaporator 20a, and a part thereof may be used.

蒸発器２０ａは、冷媒配管とバルブによって凝縮器としての機能をはたすようにすることが可能である。 The evaporator 20a can function as a condenser by a refrigerant pipe and a valve.

以上のように本発明は、第１、第２吸気口と、第１、第２吹出口とを有する本体ケースと、この本体ケース内において前記第１吸気口と第１吹出口を連通させた第１送風路と、前記本体ケース内において前記第２吸気口と第２吹出口を連通させた第２送風路と、これら第１、第２送風路に介在させ、第１送風路内の空気と第２送風路内の空気の熱交換を行わせる熱交換器と、前記第１送風路に介在させた第１送風機と、前記第２送風路に介在させた第２送風機とを備え、前記本体ケース内にヒートポンプ回路を設け、このヒートポンプ回路の凝縮器には第１送風機からの送風を供給し、蒸発器には第２送風機からの送風を供給する構成とした熱交換装置であるので、小さな熱交換装置によってキャビネット内の熱負荷が高いときにも冷却することができる。従って、例えば、通信機器の基地局や、その他屋外設置機器における冷却設備としてきわめて有用なものとなる。 As described above, according to the present invention, the main body case having the first and second air inlets, the first and second air outlets, and the first air inlet and the first air outlet are communicated with each other in the main body case. A first air passage, a second air passage in which the second air inlet and the second air outlet are communicated with each other in the main body case, and an air in the first air passage, interposed in the first and second air passages. And a heat exchanger for exchanging heat in the air in the second air passage, a first fan interposed in the first air passage, and a second fan interposed in the second air passage, Since the heat pump circuit is provided in the main body case, the condenser of the heat pump circuit supplies the air from the first fan, and the evaporator supplies the air from the second fan. Cools even when the heat load in the cabinet is high due to a small heat exchanger Door can be. Therefore, for example, it is extremely useful as a cooling facility in a base station of communication equipment or other outdoor equipment.

本発明の一実施形態の設置例を示す斜視図The perspective view which shows the example of installation of one Embodiment of this invention 本発明の一実施形態の熱交換装置の通常時の運転状態を示す断面図Sectional drawing which shows the normal operation state of the heat exchange apparatus of one Embodiment of this invention. 本発明の一実施形態の熱交換装置の外気導入時の運転状態を示す断面図Sectional drawing which shows the driving | running state at the time of external air introduction of the heat exchange apparatus of one Embodiment of this invention. 本発明の一実施形態の熱交換ユニットとヒートポンプユニットの接続状態を示す図The figure which shows the connection state of the heat exchange unit and heat pump unit of one Embodiment of this invention 本発明の一実施形態の熱交換ユニットとヒートポンプユニットの接続部を示す図The figure which shows the connection part of the heat exchange unit and heat pump unit of one Embodiment of this invention 本発明の一実施形態のヒートポンプユニットの斜視図The perspective view of the heat pump unit of one Embodiment of this invention 本発明の一実施形態のヒートポンプユニットの運転状態を示す断面図Sectional drawing which shows the driving | running state of the heat pump unit of one Embodiment of this invention. 本発明の一実施形態のヒートポンプユニットの運転状態を示す断面図Sectional drawing which shows the driving | running state of the heat pump unit of one Embodiment of this invention. 本発明の一実施形態のヒートポンプユニットの運転状態を示す断面図Sectional drawing which shows the driving | running state of the heat pump unit of one Embodiment of this invention.

Explanation of symbols

１ビルディング
２屋上
３基地局
４キャビネット
５送・受信機
６熱交換装置
７第１吸気口
８第１吹出口
９第２吸気口
１０第２吹出口
１１本体ケース
１２第１送風機
１３第２送風機
１４熱交換器
１５第１送風機室
１６第２送風機室
１７第１送風路
１８第２送風路
１９凝縮器
２０蒸発器
２０ａ蒸発器
２１圧縮機
２２第３吹出口
２３凝縮器ダンパー
２４排気ダンパー
２５第４吹出口
２６蒸発器ダンパー
２７フィルター
２８分岐口
２９凝縮器連絡口
３０連通管
３２凝縮器室
３２ａ前室
３２ｂ後室
３２ｃ仕切板
３３蒸発器室
５１熱交換ユニット
５２ヒートポンプユニット 1 Building 2 Rooftop 3 Base Station 4 Cabinet 5 Transmitter / Receiver 6 Heat Exchanger 7 First Air Intake 8 First Air Outlet 9 Second Air Intake 10 Second Air Outlet 11 Body Case 12 First Blower 13 Second Blower 14 Heat exchanger 15 First blower chamber 16 Second blower chamber 17 First blower passage 18 Second blower passage 19 Condenser 20 Evaporator 20a Evaporator 21 Compressor 22 Third outlet 23 Condenser damper 24 Exhaust damper 25 Fourth Air outlet 26 Evaporator damper 27 Filter 28 Branch port 29 Condenser communication port 30 Communication pipe 32 Condenser chamber 32a Front chamber 32b Rear chamber 32c Partition plate 33 Evaporator chamber 51 Heat exchange unit 52 Heat pump unit

Claims

A main body case having first and second air inlets, first and second air outlets, a first air passage in which the first air inlet and the first air outlet are communicated in the main body case, and the main body A second air passage in which the second air inlet and the second air outlet communicate with each other in the case, and the air in the first air passage and the air in the second air passage are interposed in the first and second air passages. A heat exchanger for performing heat exchange, a first blower interposed in the first blower passage, and a second blower interposed in the second blower passage, and providing a heat pump circuit in the main body case The heat exchange device is configured to supply the air from the first blower to the condenser of the heat pump circuit and to supply the air from the second blower to the evaporator.

The first air passage is branched upstream from the inlet to the heat exchanger, the heat exchanger is arranged on one path after the branch, and the other path is connected to the condenser cooling air exhaust port via the condenser. The heat exchange device according to claim 1, wherein the heat exchange device is configured to discharge air.

The heat exchanger according to claim 2, wherein a condenser damper is provided in the branched first air passage and upstream of the condenser.

The heat exchanger according to claim 3, wherein the condenser damper is provided so that a slit surface when opened is orthogonal to a rotation axis of the first blower.

The heat exchange device according to claim 3 or 4, wherein a surface of the slit of the condenser damper and a surface of the fin of the condenser are provided in parallel.

An exhaust damper is provided in the condenser cooling air exhaust port, and the exhaust damper is provided so as to partition the first intake port and the condenser cooling air exhaust port when opened. The heat exchange apparatus as described in.

The heat exchange device according to any one of claims 2 to 6, wherein the first blower has a larger air volume than the second blower.

A main body case having first and second air inlets, first and second air outlets, a first air passage in which the first air inlet and the first air outlet are communicated in the main body case, and the main body A second air passage in which the second air inlet and the second air outlet communicate with each other in the case, and the air in the first air passage and the air in the second air passage are interposed in the first and second air passages. A heat exchanger for exchanging heat, a first blower interposed in the first blower passage, and a second blower interposed in the second blower passage, and a third intake port in the main body case And a third blower outlet, a third blower and a heat pump circuit are provided in the main body case, and air from the third intake port by the third blower is supplied to the condenser of the heat pump circuit, and the air is supplied to the third blower outlet. Heat exchange device configured to supply air from the second blower to the evaporator

The heat exchange device according to claim 8, wherein a damper is provided at the third air inlet.

The heat exchanger according to claim 9, wherein an exhaust damper is provided at the third air outlet, and the exhaust damper is provided so as to partition the third air inlet and the third air outlet when opened.

The body case is provided with a fourth air outlet, the second air passage is branched after passing through the heat exchanger, one air blows out from the second air outlet, and the other passes through the evaporator and then passes through the fourth air outlet. The heat exchange device according to claim 1, wherein the heat exchange device is configured to blow out.

The heat exchanger according to claim 11, wherein an evaporator damper is provided in a path passing through the branched evaporator.

The evaporator damper shuts off a path passing through the evaporator, and air from the second air blowing path blows out from the second air outlet, and part of the second air outlet is cut off from the second air duct. The heat exchange device according to claim 12, wherein the air is configured to switch between a case where the air is blown from the second blower outlet and a fourth blower outlet.

The heat exchange device according to any one of claims 11 to 13, wherein a filter is provided at the fourth outlet.

The heat exchange device according to any one of claims 1 to 14, wherein the first blower, the second blower, and the heat exchanger are provided in an upper portion, and a heat pump circuit is provided in a lower portion.

The first blower, the second blower, and the heat exchanger are arranged on the top as one heat exchange unit, and include a condenser chamber containing a condenser, and an evaporator chamber containing an evaporator, The heat exchange device according to claim 15, wherein a heat pump unit in which the heat pump circuit is unitized is arranged at a lower part.

The heat pump unit is provided with a branch port branched from the first air passage on the bottom surface of the heat exchange unit, a communication port communicating with the evaporator chamber on a top surface of the heat pump unit, and a top surface of the heat pump unit The heat exchange apparatus according to claim 16, wherein a communication pipe that directly connects the bottom and the bottom is provided, and the opening of the branch port is provided to cover the communication port and the communication pipe.

The heat exchange device according to claim 17, wherein a communication port damper is provided at a communication port provided on a top surface of the heat pump unit.

The heat exchange device according to claim 18, wherein the bottom surface of the heat exchange unit, the top surface of the heat pump unit, and the communication port damper are provided with a slope that is lowered toward the top of the communication pipe.

A partition plate that divides the condenser chamber into a front chamber on the communication port side and a rear chamber on the third outlet side that exhausts air that has passed through the condenser is provided; the condenser is provided in the rear chamber; The plate is opened so that the front chamber and the rear chamber communicate with each other when the condenser is used, and is perpendicular to the air flow so as to be a guide plate for air flowing from the front chamber to the rear chamber when opened, and 20. The heat exchange device according to claim 19, wherein a rotating shaft serving as a fulcrum is provided outside the air bending direction, and the partition plate is tilted upstream when opened.

21. The heat exchange device according to claim 1, wherein the heat pump circuit is controlled so that the temperature of the air immediately after passing through the evaporator is higher than the temperature of the air sucked at the first air inlet.

The heat exchange device according to any one of claims 1 to 21, wherein a part or all of the air passing through the first air passage is passed through a part of the evaporator and then supplied to the condenser.

A configuration in which part or all of the air passing through the first air passage is supplied to the condenser after passing through a condenser / evaporator capable of switching between a function of condensing the refrigerant and a function of evaporating the refrigerant. The heat exchange apparatus in any one of 1-21.

A heating element storage device comprising a cabinet storing a heating element and the heat exchange device according to any one of claims 1 to 23 attached to an opening of the cabinet.