JPH0544686Y2 - - Google Patents
Info
- Publication number
- JPH0544686Y2 JPH0544686Y2 JP1986172281U JP17228186U JPH0544686Y2 JP H0544686 Y2 JPH0544686 Y2 JP H0544686Y2 JP 1986172281 U JP1986172281 U JP 1986172281U JP 17228186 U JP17228186 U JP 17228186U JP H0544686 Y2 JPH0544686 Y2 JP H0544686Y2
- Authority
- JP
- Japan
- Prior art keywords
- cold storage
- freezer
- temperature
- compressor
- evaporator
- 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
Links
- 239000007788 liquid Substances 0.000 claims description 15
- 238000005057 refrigeration Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 239000003507 refrigerant Substances 0.000 description 8
- 239000011232 storage material Substances 0.000 description 4
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Description
【考案の詳細な説明】
（産業上の利用分野）
この考案は、生鮮、冷凍食品、アイスクリーム
などの輸送配送用の冷凍車に関する。[Detailed description of the invention] (Field of industrial application) This invention relates to a refrigerated vehicle for transporting and delivering fresh food, frozen foods, ice cream, etc.
（従来の技術）
従来、冷凍車は、走行用のエンジンで駆動され
る冷媒圧縮用のコンプレツサと、冷媒を凝縮させ
るコンデンサと、冷媒を断熱膨張させるエバポレ
ータとより成る冷凍サイクルを搭載して、冷凍庫
内を前記エバポレータにて冷却していた。(Prior Art) Conventionally, refrigerator trucks are equipped with a refrigeration cycle consisting of a compressor for compressing refrigerant driven by a driving engine, a condenser for condensing the refrigerant, and an evaporator for adiabatically expanding the refrigerant. The inside was cooled by the evaporator.
したがつて、冷凍車の走行用のエンジンが切ら
れると、冷凍庫内は必然的に温度が上昇すること
になり、冷凍庫内の輸送物の品質が低下すること
になる。このために、車両が停止時にも、走行用
エンジンを切らずに、冷凍機を稼動させていた。 Therefore, when the engine for driving the refrigerated vehicle is turned off, the temperature inside the freezer inevitably rises, and the quality of the transported items inside the freezer deteriorates. For this reason, even when the vehicle is stopped, the refrigerator is operated without turning off the driving engine.
しかし、市街地内の店舗での待店中や、商品の
卸し中に、冷凍機を作動させたままでは、排気ガ
ス、騒音等の問題があり、エンジンを停止しなけ
ればならなかつた。その待店時間は、短い店でも
20分ぐらいあり、また商品の卸しは量によつて数
回のドアの開閉と共に１時間以上に及ぶ事もあ
り、どうしても冷凍庫内の温度上昇による積荷商
品の温上昇は防げず、該商品の品質の低下を引き
起こす原因となつていた。 However, if the refrigerator was left running while waiting at a store in an urban area or distributing products, there were problems such as exhaust gas and noise, and the engine had to be stopped. Even at stores with short waiting times,
It takes about 20 minutes, and depending on the quantity, unloading the product can take more than an hour with the door opening and closing several times, so it is impossible to prevent the temperature of the loaded product from rising due to the temperature rise in the freezer, which may affect the quality of the product. This was the cause of a decline in
このために、特開昭48−29114号公報に示すよ
うに、冷凍車両の冷凍室内に蓄熱材を充填した冷
凍板を配設し、この冷凍板が圧縮冷凍機によつて
冷凍され、上記蓄熱材が凍結することにより冷却
能力を蓄積し、冷凍停止時に凍結蓄冷した蓄冷材
の溶解潜熱により一定時間一定温度を保つて保冷
していた。 For this purpose, as shown in Japanese Patent Application Laid-Open No. 48-29114, a freezing plate filled with a heat storage material is installed in the freezer compartment of a refrigerated vehicle, and this freezing plate is frozen by a compression refrigerator, and the heat storage material is When the material freezes, it accumulates cooling capacity, and when freezing is stopped, the latent heat of dissolution of the cold storage material is used to maintain a constant temperature for a certain period of time to keep it cold.
（考案が解決しようとする問題点）
しかしながら、蓄冷液を利用する冷凍装置では
冷凍庫内の温度を蓄冷材の溶解潜熱を利用するこ
とから、所定温度に設定することは事実上不可能
であつた。(Problem that the invention aims to solve) However, in refrigeration equipment that uses cold storage liquid, it is virtually impossible to set the temperature inside the freezer to a predetermined temperature because the latent heat of solution of the cold storage material is used to control the temperature inside the freezer. .
このため、この考案は、蓄冷液を利用する冷凍
車にあつても冷凍庫内を所定温度に冷却できるよ
うにし、且つ蓄冷液を利用する冷凍車の利点を生
かすようにした冷凍車を提供するものである。 Therefore, this invention provides a refrigerated vehicle that is capable of cooling the inside of the freezer to a predetermined temperature even in a refrigerated vehicle that uses cold storage liquid, and that takes advantage of the advantages of a refrigerated truck that uses cold storage liquid. It is.
（問題点を解決するための手段）
この考案の要旨は、少なくとも走行用エンジン
で駆動されるコンプレツサ２を有し、このコンプ
レツサ２，１５、コンデンサ３、エキスパンシヨ
ンバルブ９、エバポレータ８等で冷凍サイクルが
構成され、前記冷凍サイクルのエバポレータ８
は、冷凍庫外の蓄冷タンク１１内に配されて、該
蓄冷タンク１１内に入つている蓄冷液を冷却し、
該蓄冷液の温度をサーモスイツチ１７にて検出し
て、前記コンプレツサ２，１５の稼動を制御する
と共に、自動車用の冷凍庫内１０に蓄冷液を導び
くための冷却パイプ１２を配管し、該冷却パイプ
１２に循環用のポンプ１３を設けたことにある。(Means for Solving Problems) The gist of this invention is that it has at least a compressor 2 driven by a driving engine, and that the compressor 2, 15, condenser 3, expansion valve 9, evaporator 8, etc. A cycle is configured, and the evaporator 8 of the refrigeration cycle
is arranged in a cold storage tank 11 outside the freezer to cool the cold storage liquid contained in the cold storage tank 11,
The temperature of the cold storage liquid is detected by a thermo switch 17 to control the operation of the compressors 2 and 15, and a cooling pipe 12 is installed to lead the cold storage liquid into the automobile freezer 10. This is because the pipe 12 is provided with a pump 13 for circulation.
（作用）
したがつて、走行用エンジンの稼動時には、サ
ーモスイツチ１７により蓄冷タンク１１内の温度
をコンプレツサ２の稼動を制御して調節でき、こ
れにより冷凍庫１０内の温度が適宜に調節でき
る。また、走行用エンジンが切られ、コンプレツ
サ２が稼動していなくとも、蓄冷パイプ１２に送
り出しているので、該冷凍庫内の温度を所定温度
に保ち、該温度の上昇は防がれるものである。(Function) Therefore, when the driving engine is in operation, the temperature in the cold storage tank 11 can be adjusted by controlling the operation of the compressor 2 by the thermoswitch 17, and thereby the temperature in the freezer 10 can be adjusted appropriately. Further, even if the driving engine is turned off and the compressor 2 is not operating, the cold is sent to the storage pipe 12, so the temperature inside the freezer is maintained at a predetermined temperature and a rise in temperature is prevented.
（実施例）
以下、この考案の実施例を図面により説明す
る。(Example) Hereinafter, an example of this invention will be described with reference to the drawings.
図において、コンプレツサ２は、冷凍車１の走
行用エンジン（図示せず）にて駆動され冷媒を圧
縮している。このコンプレツサの入口側には、下
記するアキユームレータ１４に接続され、また吐
出側には、コンデンサ３が接続されている。この
コンデンサ３は、冷凍車１の冷凍庫１０の外側に
設けられている。 In the figure, a compressor 2 is driven by a traveling engine (not shown) of a refrigerating vehicle 1 to compress refrigerant. The inlet side of this compressor is connected to an accumulator 14 described below, and the discharge side is connected to a condenser 3. This condenser 3 is provided outside the freezer 10 of the refrigerator truck 1.
コンデンサ３で凝縮液化された冷媒は、レシー
バータンク４にて一時貯められ、サイトグラス
５、ドライヤー６を介してエバポレータ８に送ら
れる。 The refrigerant condensed and liquefied in the condenser 3 is temporarily stored in a receiver tank 4 and sent to an evaporator 8 via a sight glass 5 and a dryer 6.
エバポレータ８は、エキスパンシヨンバルブ９
にて絞られながら冷媒が断熱膨張されて、吸熱作
用を行なうもので、該エバポレータ８は、冷凍庫
１０の庫外の下部に設けられ断熱材で包んだ蓄冷
タンク１１内に収納されている。 The evaporator 8 has an expansion valve 9
The refrigerant is adiabatically expanded while being squeezed by the evaporator 8 to absorb heat, and the evaporator 8 is housed in a cold storage tank 11 which is provided at the lower part of the outside of the freezer 10 and wrapped with a heat insulating material.
蓄冷タンク１１内には、不凍液である塩化カル
シウムCaCl2、塩化ナトリウムなどの蓄冷液（ブ
ライン）が入れられ、該タンク１１内の蓄冷液
は、冷却パイプ１２を介して冷凍庫１０内へ流さ
れる。 A cold storage liquid (brine) such as antifreeze such as calcium chloride CaCl 2 or sodium chloride is placed in the cold storage tank 11 , and the cold storage liquid in the tank 11 is flowed into the freezer 10 through a cooling pipe 12 .
冷却パイプ１２は、冷凍庫１０内に蛇行して張
りめぐらされ、その適宜な位置に循環用のポンプ
１３が設けられている。 The cooling pipe 12 is stretched around inside the freezer 10 in a meandering manner, and a circulation pump 13 is provided at an appropriate position.
アキユームレータ１４は、一方をエバポレータ
８の出口側に接続され、液冷媒のコンプレツサ１
へ戻るのを防ぐために設けられて、他方を前記コ
ンプレツサ１の入口側に接続している。以上のよ
うにして冷凍サイクルが構成され、このコンプレ
ツサ１の稼動により冷凍運転がなされる。 The accumulator 14 is connected at one end to the outlet side of the evaporator 8 and is connected to the compressor 1 for liquid refrigerant.
The other end is connected to the inlet side of the compressor 1. The refrigeration cycle is constructed as described above, and refrigeration operation is performed by operating the compressor 1.
１５はスタンバイ用のコンプレツサで、前記走
行用エンジンから駆動されるコンプレツサ２に並
列に設けられている。１６は高低圧スイツチで、
冷凍サイクルの安全のために設けられている。 Reference numeral 15 denotes a standby compressor, which is provided in parallel with the compressor 2 driven by the traveling engine. 16 is a high/low pressure switch,
It is provided for the safety of the refrigeration cycle.
１７は、サーモスイツチで、蓄冷タンク１１内
の温度を検出調節するために設けられ、該サーモ
スイツチ１７の開閉により、コンプレツサ２及び
１５の電磁クラツチ（図示せず）が接断されて、
蓄冷タンク１１内の温度のコントロールがなされ
るもので、これにより冷凍庫１０内の温度もコン
トロールされる。 A thermoswitch 17 is provided to detect and adjust the temperature inside the cold storage tank 11. When the thermoswitch 17 opens and closes, electromagnetic clutches (not shown) of the compressors 2 and 15 are connected and disconnected.
The temperature inside the cold storage tank 11 is controlled, and thereby the temperature inside the freezer 10 is also controlled.
上述の構成において、走行用エンジンが駆動さ
れ、冷凍スイツチ（図示せず）が閉じられると、
コンプレツサ２が駆動され、冷媒は圧縮され、コ
ンデンサ３、エバポレータ８に流れて、蓄冷タン
ク１１内の蓄冷液を冷却する。この蓄冷液はポン
プ１３を介して冷凍庫１０内に流されて該庫１０
内を冷却する。このようにして冷凍庫１０内を冷
却するため、待店時や積み卸し時に、走行用エン
ジンを停止させても、蓄冷タンク１１内に蓄えら
れた蓄冷を消費すれば良く、１〜２時間は充分に
冷凍庫内の温度の上昇を抑えることができる。そ
して、サーモスイツチ１７をコントロールするこ
とにより、冷凍庫内の温度もコントロールするこ
とができる。 In the above configuration, when the driving engine is driven and the refrigeration switch (not shown) is closed,
The compressor 2 is driven, the refrigerant is compressed, flows to the condenser 3 and the evaporator 8, and cools the cold storage liquid in the cold storage tank 11. This cold storage liquid is flowed into the freezer 10 via the pump 13 and
Cool the inside. Since the inside of the freezer 10 is cooled in this way, even if the driving engine is stopped while waiting or loading/unloading, the cold storage stored in the cold storage tank 11 can be consumed, which is sufficient for 1 to 2 hours. It is possible to suppress the rise in temperature inside the freezer. By controlling the thermo switch 17, the temperature inside the freezer can also be controlled.
（考案の効果）
以上のように、この考案によれば、走行用エン
ジン稼動時には、サーモスイツチ１７にて蓄冷タ
ンク内の温度をコントロールできるので、これに
より冷凍庫１０内の温度が適宜調節できるもので
ある。(Effects of the invention) As described above, according to this invention, the temperature inside the cold storage tank can be controlled by the thermo switch 17 when the driving engine is running, so the temperature inside the freezer 10 can be adjusted as appropriate. be.
また、走行用エンジンが切られ、コンプレツサ
２が稼動していなくとも、蓄冷タンク１１内の冷
却された蓄冷液を冷凍庫内の冷却パイプ１２に送
り出しているので、該冷凍庫内の温度を所定の温
度に保ち、該温度の上昇は防がれるものである。 In addition, even if the driving engine is turned off and the compressor 2 is not operating, the cool storage liquid in the cold storage tank 11 is sent to the cooling pipe 12 in the freezer, so the temperature in the freezer is kept at a predetermined temperature. The temperature should be maintained at a constant temperature to prevent the temperature from rising.
第１図はこの考案の実施例を示す冷凍サイクル
の構成図、第２図はこの考案が実施された冷凍車
の斜視図である。
２……コンプレツサ、３……コンデンサ、８…
…エバポレータ、９……エキスパンシヨンバル
ブ、１０……冷凍車、１１……蓄冷タンク、１２
……冷却パイプ、１３……ポンプ。
FIG. 1 is a block diagram of a refrigeration cycle showing an embodiment of this invention, and FIG. 2 is a perspective view of a refrigerating vehicle in which this invention is implemented. 2... Compressor, 3... Capacitor, 8...
... Evaporator, 9 ... Expansion valve, 10 ... Freezer truck, 11 ... Cold storage tank, 12
...cooling pipe, 13...pump.
Claims (1)
レツサ２を有し、このコンプレツサ２，１５、コ
ンデンサ３、エキスパンシヨンバルブ９、エバポ
レータ８等で冷凍サイクルが構成され、前記冷凍
サイクルのエバポレータ８は、冷凍庫外の蓄冷タ
ンク１１内に配されて、該蓄冷タンク１１内に入
つている蓄冷液を冷却し、該蓄冷液の温度をサー
モスイツチ１７にて検出して、前記コンプレツサ
２，１５の稼動を制御すると共に、自動車用の冷
凍庫内１０に蓄冷液を導びくための冷却パイプ１
２を配管し、該冷却パイプ１２に循環用のポンプ
１３を設けたことを特徴とする冷凍車。 It has at least a compressor 2 driven by a driving engine, and a refrigeration cycle is constituted by the compressors 2 and 15, a condenser 3, an expansion valve 9, an evaporator 8, etc., and the evaporator 8 of the refrigeration cycle is located outside the freezer. Disposed in the cold storage tank 11, it cools the cold storage liquid contained in the cold storage tank 11, detects the temperature of the cold storage liquid with a thermoswitch 17, and controls the operation of the compressors 2 and 15. , a cooling pipe 1 for guiding cold storage liquid to an automobile freezer 10
2, and the cooling pipe 12 is provided with a circulation pump 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986172281U JPH0544686Y2 (en) | 1986-11-10 | 1986-11-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986172281U JPH0544686Y2 (en) | 1986-11-10 | 1986-11-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6378872U JPS6378872U (en) | 1988-05-25 |
| JPH0544686Y2 true JPH0544686Y2 (en) | 1993-11-12 |
Family
ID=31108683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986172281U Expired - Lifetime JPH0544686Y2 (en) | 1986-11-10 | 1986-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0544686Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4829114A (en) * | 1971-08-19 | 1973-04-18 | ||
| JPS5145850A (en) * | 1974-10-18 | 1976-04-19 | Hitachi Ltd | SHARYOTOSAIREIBOSOCHI |
| JPS55116069A (en) * | 1979-03-01 | 1980-09-06 | Mitsubishi Heavy Ind Ltd | Coldness storage type refrigeration equipment for transportation |
-
1986
- 1986-11-10 JP JP1986172281U patent/JPH0544686Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4829114A (en) * | 1971-08-19 | 1973-04-18 | ||
| JPS5145850A (en) * | 1974-10-18 | 1976-04-19 | Hitachi Ltd | SHARYOTOSAIREIBOSOCHI |
| JPS55116069A (en) * | 1979-03-01 | 1980-09-06 | Mitsubishi Heavy Ind Ltd | Coldness storage type refrigeration equipment for transportation |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6378872U (en) | 1988-05-25 |
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