Background technology
As the automatic ice maker of making ice continuously, known have from water sprinkler to the face side (ice making face) of the ice making unit of vertical configuration thus the supply system frozen water generates the downward flow type ice making machine (for example with reference to patent documentation 1) of ice.As Figure 10 or shown in Figure 11, the ice making unit 12 of downward flow type ice making machine is basically by generally perpendicularly erect being provided with and a pair of ice making sheets 14,14 of arranged opposite and be equipped between two ice making sheets 14,14 and form the shape that crawls and constitute with the cooling tube 16 of circulation the supply system cryogen.At the ice making face of each ice making sheets 14, be formed with a plurality of ice making zones 20 that are used to generate ice in the width division by a plurality of partition members 18 that extend longitudinally.And, above ice making unit 12, being provided with water sprinkler 22, this water sprinkler 22 is supplied with from circulating pump 54 circulations to ice making zone 20 and is supplied with the ice making water of coming.
Above-mentioned water sprinkler 22 is to form the rectangular cylindrical body that the cross section is an essentially rectangular, along the top of ice making unit 12 so that vertically the mode of extending at width set.And water sprinkler 22 is formed with introduction part 24 in an end of width, the other end sealing of water sprinkler 22, and above-mentioned introduction part 24 is connected with the ice making water supplying pipe 52 of deriving from circulating pump 54.In addition, in the bottom of water sprinkler 22, offer a plurality of water sprayering holes 26 in the mode of leaving at width accordingly with each ice making zone 20.In addition, this water sprayering hole 26 diameter separately is set at the path about about 3mm~5mm, in order to avoid stopped up by foreign matter contained in the ice making water.
In downward flow type ice making machine, when ice making is turned round, circulating pump 54 action, thus ice making water by force feed to water sprinkler 22, ice making water is disseminated to each ice making zone 20 via each water sprayering hole 26.Meanwhile, the circulation of the never illustrated condenser of cold-producing medium is supplied to above-mentioned cooling tube 16, scatters and is cooled at the position that the ice making water that ice making face flows down contacts with cooling tube 16 ice making face and freezes from water sprinkler 22.In addition, in deicing running, stop water sprinkler 22 the supply system frozen water, and from the deicing water feed mechanism 28(of the below that is arranged at water sprinkler 22 with reference to Figure 11) supply with deicing water to the rear side of ice making sheets 14,14.And, cooling tube 16 is supplied with hot gas, ice and icing portion ice making sheets 14,14 that generates in ice making zone 20 melts, and ice is peeled off and is fallen from ice making sheets 14.
Patent documentation 1: Japanese kokai publication hei 7-218066 communique
In above-mentioned water sprinkler 22, by being pointed out that there are the following problems: the ice making water that is come by circulating pump 54 force feeds flows into towards blind end fiercely from introduction part 24, in introduction part 24 sides, the flow velocity of ice making water is fast, at blind end lateral pressure height, therefore, many from the amount of sealing the ice making water that distolateral water sprayering hole 26 sprays, relative therewith, the amount of the ice making water that sprays from the water sprayering hole 26 of introduction part 24 sides is few.According to circumstances different, can suck air sometimes, thereby ice making water does not spray from this water sprayering hole 26 from the water sprayering hole 26 of introduction part 24 sides yet.Like this, there is deviation in the amount that is supplied to the ice making water in each ice making zone 20 from water sprinkler 22, therefore, not only can't generate the ice of constant dimensions in each ice making zone 20, also might produce the ice of abnormity ice or gonorrhoea, significantly the commodity value of infringement ice.And, outflow from introduction part 24 sides towards the blind end skew back sometimes from the ice making water that water sprayering hole 26 sprays, cross partition member 18 and be splashed to the outside of ice making unit 12, might cause ice making water not enough or make the disadvantages such as ice-out that store below ice making unit 12.
Description of drawings
Fig. 1 is the front view of ice making unit of the downward flow type ice making machine of the expression water sprinkler that is equipped with the preferred embodiments of the present invention.
Fig. 2 is the sectional view of ice making unit of the downward flow type ice making machine of the expression water sprinkler that is equipped with embodiment.
Fig. 3 (a) is the vertical view of the water sprinkler of expression embodiment, and Fig. 3 (b) is the cutaway view along the A-A line of Fig. 3 (a).
Fig. 4 (a) is the vertical view of water sprinkler that expression possesses the interconnecting part of modification 1, and Fig. 4 (b) cuts the cutaway view of representing open with the B-B line of Fig. 4 (a).
Fig. 5 is other routine cutaway view of the interconnecting part of expression modification 1.
Fig. 6 (a) is the vertical view of water sprinkler that expression possesses the interconnecting part of modification 2, and Fig. 6 (b) cuts the cutaway view of representing open with the C-C line of Fig. 6 (a).
Fig. 7 is other routine cutaway view of the interconnecting part of expression modification 2.
Fig. 8 is other routine cutaway view of the interconnecting part of expression modification 2.
Fig. 9 is the vertical view of other routine water sprinkler of expression buffer part.
Figure 10 is the front view of ice making unit that expression is equipped with the downward flow type ice making machine of existing water sprinkler.
Figure 11 is the sectional view of ice making unit that expression is equipped with the downward flow type ice making machine of existing water sprinkler.
Label declaration
12 ice making unit; 20 ice making zones; 32 watering portions; 34 water sprayering holes; 36,90,92 buffer part; 38 introduction parts; 40,62,67,72,76,80 interconnecting parts; 42,64,68,74,78,82 intercommunicating pores; 90a, 92a cushion space (inner space).
The specific embodiment
Then, enumerate preferred embodiment, the water sprinkler of ice machine of the present invention is described below with reference to accompanying drawing.In addition, for convenience of explanation, to the identical key element of inscape of Figure 10 and ice making unit shown in Figure 11, use same label and omit detailed explanation.
Embodiment
As Fig. 1 or shown in Figure 2, the ice making unit 12 of downward flow type ice making machine that is equipped with the water sprinkler of embodiment is made of a pair of ice making sheets 14,14, vertically configuration and facing mutually of the mode that described a pair of ice making sheets 14,14 is generally perpendicularly extended with the plate face.Between the opposed faces of two ice making sheets 14,14, be equipped with cooling tube 16, the mode that this cooling tube 16 extends at the width of ice making unit 12 with its line part formation of crawling repeatedly, the line part of this cooling tube 16 contacts with the rear side (opposed faces) of two ice making sheets 14,14.The face of the opposition side that be positioned at and another ice making sheets of each ice making sheets 14 is 14 opposed is an ice making face, and vertically the giving prominence to of ice making face of crossing over each ice making sheets 14 is provided with a plurality of partition members 18.A plurality of partition members 18 dispose in the mode of leaving mutually on the width of ice making sheets 14, are formed with a plurality of ice makings zone 20 to divide along the width mode side by side of ice making sheets 14 by these partition members 18 on ice making face.In addition, above ice making unit 12, be equipped with water sprinkler 30 and deicing water feed mechanism 28, to the ice making zone 20 the supply system frozen water of each ice making sheets 14, described deicing water feed mechanism 28 rear side to each ice making sheets 14 when deicing is turned round is supplied with deicing water to described water sprinkler 30 when ice making is turned round.
Be equipped with ice making water tank 50 below above-mentioned ice making unit 12, this ice making water tank 50 is used to store the ice making water that flows down on ice making sheets 14,14, and this ice making water tank 50 is connected with circulating pump (force feed mechanism) 54 via ice making water supplying pipe 52.And then when ice making was turned round, cold-producing medium was supplied to cooling tube 16 from refrigeration system, and ice making water is supplied to each ice making zone 20 from water sprinkler 30, thus in this ice making zone 20 the roughly half moon ice of generation.In addition, when deicing is turned round, supply with hot gas by the valve switching of refrigeration system and to cooling tube 16, and, supply with deicing water from deicing water feed mechanism 28 to the rear side of ice making sheets 14,14.
As shown in Figure 3, above-mentioned water sprinkler 30 possesses: the watering portion 32 that is equipped on the top of ice making unit 12; Reception is by the buffer part 36 of the next ice making water of circulating pump 54 force feeds; And the interconnecting part 40 that is communicated with connection watering portion 32 and buffer part 36.The water sprinkler 30 of embodiment utilizes the integrally formed watering of synthetic resin material portion 32, buffer part 36 and interconnecting part 40.
As shown in Figure 2, above-mentioned watering portion 32 is the cylindrical body that have in inside for the hollow of the logical free air space 32a of ice making current, and forming the cross section in an embodiment is the essentially rectangular shape.And watering portion 32 is equipped on the top of ice making unit 12.The whole extension of width of ice making sheets 14 crosses in watering portion 32, and forms such size: mate (with reference to Fig. 2) with the jag from the partition member 18 of an ice making sheets 14 substantially to the size of the jag of the partition member 18 of another ice making sheets 14.Bottom in watering portion 32, be provided with the water sprayering hole group accordingly with each ice making sheets 14, this water sprayering hole group is made of a plurality of water sprayering holes 34, and described a plurality of water sprayering holes 34 leave ground configuration arranged side by side and are communicated with (with reference to Fig. 3) with free air space 32a on the opposed direction of a pair of ice making sheets 14,14.And, each water sprayering hole 34 that constitutes the water sprayering hole group is positioned at the ice making face side of ice making sheets 14, on the width of ice making sheets 14, leave configuration accordingly with each ice making zone 20 of ice making sheets 14, be disposed at the central portion of the width in each ice making zone 20 in an embodiment.
As shown in Figure 2, above-mentioned buffer part 36 is the cylindrical body that have in inside for the hollow of the logical cushion space 36a of ice making current, forms the cross section in an embodiment for circular.And buffer part 36 is arranged side by side in the horizontal side of watering portion 32.Herein, buffer part 36 is provided with in the mode of extending at the width of ice making unit 12, forms the big or small same size with the width of watering portion 32 in an embodiment.In addition, buffer part 36 is provided with the introduction part 38 that is connected with ice making water supplying pipe 52 at an end of width, and the other end of the width of buffer part 36 is closed.
Above-mentioned interconnecting part 40 possesses intercommunicating pore 42, this intercommunicating pore 42 is communicated with the connected space 32a of watering portion 32 and the cushion space 36a of buffer part 36, and this intercommunicating pore 42 constitutes by this way: the transversely extension (with reference to Fig. 2) that intersects at the inflow direction with the ice making water of the cushion space 36a that is supplied to buffer part 36 via introduction part 38.The interconnecting part 40 of embodiment is made of a plurality of square tube bodies 41 that the width in ice making unit leaves configuration, offers an intercommunicating pore 42(with reference to Fig. 3 at each side's cylindrical shell 41).A plurality of intercommunicating pores 42 all form (with reference to Fig. 3 (b)) with identical sectional dimension.And a plurality of intercommunicating pores 42 are arranged to, and are communicated in the watering portion 32 and leave the position (with reference to Fig. 3 (a)) of the water sprayering hole 34 of configuration along lateral alternate from the width in this watering portion 32.In addition, the intercommunicating pore 42 of embodiment is at the central portion that is disposed between the adjacent water sprayering hole 34,34 between these water sprayering holes 34,34.
[effect of embodiment]
Then, the effect to the water sprinkler 30 of embodiment describes.In the ice making running, in water sprinkler 30, be supplied to the cushion space 36a of buffer part 36 from introduction part 38 via ice making water supplying pipe 52 from the next ice making water of ice making water tank 50 force feeds by circulating pump 54.The width other end sealing that is positioned at ice making current Inbound of buffer part 36, therefore, ice making water is run into the blind end of buffer part 36 and after flow velocity is descended, is directed to the free air space 32a of watering portion 32 from buffering space 36a via each intercommunicating pore 42.That is, ice making water is from the free air space 32a of the watering portion 32 that laterally is imported into via each intercommunicating pore 42 that the departure direction (width of ice making unit 12) with a plurality of water sprayering holes 34 that constitute each water sprayering hole group intersects.And then, thereby the inside flow velocity that ice making water is run in free air space 32a with the opposed watering of intercommunicating pore 42 portion 32 further descends, and is directed to the width both sides along this inwall.Therefore, in the free air space 32a of watering portion 32, the current difference and the pressure differential of ice making water diminish on width, and the ice making water balance is flowed out equably from a plurality of water sprayering holes 34 that are arranged at watering portion 32 well.
Like this, water sprinkler 30 forms such structure: utilize the ice making water of buffer part 36 reception force feeds and its intercommunicating pore 42 via interconnecting part 40 is imported watering portions 32, suppress the flow velocity of the ice making water in the watering portion 32 and the influence of pressure, thus, can make the amount equalization that is supplied to the ice making water in corresponding ice making zone 20 from a plurality of each water sprayering hole 34.That is, in ice making unit 12, ice is stable and grow up equably in each ice making zone 20, and the ice that obtains also is uniform size, can suppress the generation by the ice of the excessive or not enough abnormity ice that causes of ice making water and gonorrhoea.And ice making unit 12 can be carried out ice making equably in the integral body in the ice making zone 20 in each ice making sheets 14, and therefore, cooling effectiveness and ice making efficient are good, can improve ice making capacity.And the flow velocity of ice making water is suppressed, and therefore, ice making water can not flow out sideling from each water sprayering hole 34, can avoid the unfavorable conditions such as ice-out that cause ice making water deficiency or ice making unit 12 belows are stored owing to splashing to the outside of ice making unit 12.
Above-mentioned water sprinkler 30 plays a role in the mode that a plurality of intercommunicating pores 42 make the flow velocity of ice making water descend respectively.And, water sprinkler 30 is arranged to, make each intercommunicating pore 42 be communicated in the position from water sprayering hole 34 along lateral alternate in the watering portion 32, thus, can suppress the situation that the ice making water from the free air space 32a of intercommunicating pore 42 inflow watering portions 32 flows out from water sprayering hole 34 immediately, can flow out the ice making water after the buffering watering portion 32 from each water sprayering hole 34.
(modification)
The invention is not restricted to the structure of embodiment, also can followingly change.In the modification of reference Fig. 4~Fig. 9 explanation, to being marked with same label and omitting explanation with the same structure of the ice making unit 12 of embodiment and water sprinkler 30.
(1) in an embodiment, utilize separate a plurality of square tube bodies 41 to constitute interconnecting parts 40, form intercommunicating pore 64 but the mode that also can water sprinkler 30 as shown in Figure 4 interconnecting part 62 is left with the part of opposed facing plate-like portion 63 from another plate-like portion 63 bloats.That is,, can adopt in the inside of an interconnecting part 62 broad ways and leave the structure that a plurality of intercommunicating pores 64 are set as water sprinkler 30.The cross sectional shape of each intercommunicating pore 64 is circular, and a plurality of intercommunicating pores 64 all form (with reference to Fig. 4 (b)) with identical size.
(2) as shown in Figure 5, also interconnecting part 67 can be constituted, distolateral distolateral along with from the width of the introduction part 38 that is provided with buffer part 36 towards another, the size of intercommunicating pore 68 diminishes.Herein, in buffer part 36, though make the current difference of ice making water be cushioned to a certain extent by cushion space 36a, but, at introduction part 14 sides and the distolateral current difference that exists of sealing, the ice making shipwreck is arranged at the intercommunicating pore 68 of introduction part 38 sides with inflow, and on the other hand, the ice making water capacity easily flows into and is arranged at the distolateral intercommunicating pore 68 of sealing.Promptly, set greatlyyer with the intercommunicating pore 68 of introduction part 38 sides of the buffer part 36 of inflow the ice making shipwreck, relative therewith, set for the distolateral intercommunicating pore 38 of sealing of the easy buffer part 36 that flows into of the ice making water capacity littler than the intercommunicating pore of introduction part 38 sides, thus, can make measuring of the ice making water that flows into a plurality of intercommunicating pores 68 balance.Therefore, ice making water flows into the free air space 32a of watering portions 32 from a plurality of intercommunicating pores 68 along width in the mode of equalization, and the amount of the ice making water that sprays from a plurality of water sprayering holes 34 also further realizes equalization.
(3) in an embodiment, utilize separate a plurality of square tube bodies 41 to constitute interconnecting parts 40, but water sprinkler 30 that also can be as shown in Figure 6 is such, the rectangular single cylindrical body of utilizing the width in ice making unit 12 to extend to form constitutes interconnecting part 72.In interconnecting part 72, be provided with a vertical intercommunicating pore 74 that extends along the width of ice making unit 12.Like this, an intercommunicating pore 74 is set, then is shaped easily if constitute at an interconnecting part 72.In addition, a plurality of intercommunicating pores 74 are crossed over width and are made size formation ground identical (with reference to Fig. 6 (b)) up and down.
(4) as shown in Figure 7, also interconnecting part 76 can be constituted, distolateral distolateral along with from the width of the introduction part 38 that is provided with buffer part 36 towards another, the size of intercommunicating pore 78 stenosis gradually is little.In addition, other routine interconnecting part 80 that also can be as shown in Figure 8 is such, and intercommunicating pore 82 is not distolateral towards the little structure of another distolateral stenosis gradually from width one, but distolateral towards the little structure of other end side interim ground stenosis from width one.Though in buffer part 36, make the current difference of ice making water be cushioned to a certain extent by cushion space 36a, but, at introduction part 38 sides and the distolateral current difference that exists of sealing, in introduction part 38 side ice making shipwrecks to flow into intercommunicating pore 78,82, on the other hand, easily flow into intercommunicating pore 78,82 in the distolateral ice making water capacity of sealing.Promptly, set greatlyyer with the size up and down of the intercommunicating pore 78,82 of introduction part 38 sides of the buffer part 36 of inflow the ice making shipwreck, relative therewith, the size up and down of the intercommunicating pore 78,82 that the sealing of the easy buffer part 36 that flows into of the ice making water capacity is distolateral is set for littler than the intercommunicating pore of introduction part 38 sides, thus, can make the integral body circulation of crossing over intercommunicating pore 78,82 ice making water measure balance.Therefore, ice making water flows into the free air space 32a of watering portions 32 from intercommunicating pore 78,82 with the mode broad ways of equalization, and the amount of the ice making water that sprays from a plurality of water sprayering holes 34 also further realizes equalization.
(5) buffer part 36 of embodiment forms, cushion space 36a is distolateral measure-alike to other end lateral section from width one, but also can other the routine buffer part 90 shown in Fig. 9 (a) adopt such structure like that: along with distolateral distolateral towards another from the width one that is provided with introduction part 38, cushion space 90a stenosis gradually is little.And another other routine buffer part 92 that also can be shown in Fig. 9 (b) is such, and form such structure: along with distolateral distolateral towards another from the width one that is provided with introduction part 38, cushion space 92a interim ground stenosis is little.According to other routine buffer part 90,92, not only run into blind end from the ice making water that introduction part 38 flows into cushion space 90a, 92a, also can run into the inwall of the buffer part 90,92 that is positioned at direct of travel, therefore, the cushioning effect to ice making water that is produced by buffer part 90,92 improves.
(6) in an embodiment, illustrated and utilized the structure of buffer part reception, even but, also can use the present invention from the ice making water of external water sources such as running water supply by the pressurization of the force feed mechanism outside the ice machine by the ice making water that send as the pump pressure of force feed mechanism.
(7) example to the ice making unit that applies the present invention to downward flow type ice making machine is illustrated, but the ice-making compartment that is arranged at ice making unit is sprayed the supply system frozen water with the water jet ice machine with cabinet type ice making unit that generates ice, the board-like ice machine that generates plate ice, also can use the present invention.