JP6810458B2 - Steam discharge device - Google Patents

Description

The embodiment according to the present invention relates to a steam discharge device.

Known steam discharge devices are used, for example, in rice cookers, electric kettles, and shelves with tables on which steam-generating appliances such as coffee makers are placed. The steam discharge device is used by being placed above the table.

The conventional steam exhaust device includes a duct arranged between the steam suction port and the steam exhaust port, and a blower. The blower is arranged near the center of the front surface of the main body. The casing of the blower is provided with a casing suction port. The duct is provided with two duct suction ports connected to the steam suction port. The casing suction ports are arranged approximately equidistant from the two duct suction ports.

Japanese Unexamined Patent Publication No. 2008-161432

With the diversification of shelves, for example, system kitchens, the design of the kitchen and the design of the steam discharge device become disproportionate, and there is a risk that the steam discharge device becomes too conspicuous.

In addition, the height (height dimension) of electric appliances placed on shelves varies widely. On the other hand, the steam exhaust device occupies the space above the shelf (or stand) and lowers the ceiling height of the shelf to some extent. That is, if the ceiling height of the shelf is lowered too much due to the height dimension of the steam exhaust device, there is a risk that tall home appliances cannot be placed on the shelf.

Therefore, it is an object of the present invention to provide a thin steam discharge device that is inconspicuous when installed on a shelf and can be installed without lowering the ceiling height of the shelf as much as possible.

In order to solve the above-mentioned problems, the steam discharge device according to the embodiment of the present invention is used by being incorporated in a shelf provided with a table on which a device for generating steam is placed, and is arranged above the table. The housing, the impeller that generates the suction negative pressure for sucking the vapor, the electric motor that drives the impeller, the casing that accommodates the impeller and the electric motor, and the suction side of the impeller. A suction side air passage that is connected and spreads flat in the front-rear direction and the left-right direction of the housing, and a steam that is opened in a rectangular ring extending in the front-rear direction and the left-right direction of the housing to guide the steam to the suction side air passage. The suction port, the discharge side air passage connected to the casing and guiding the steam discharged from the impeller to the front side of the housing, and the discharge side air passage connected to the discharge side air passage toward the front side of the housing. It includes a steam discharge port that discharges steam, and a suction speed adjusting unit that closes a part of the steam suction port and adjusts the balance of suction speeds at the front, rear, left and right sides of the steam suction port .

The front view of the shelf which incorporated the steam discharge device which concerns on 1st Embodiment of this invention. The perspective view of the steam discharge device which concerns on 1st Embodiment of this invention. An exploded perspective view of the steam discharge device according to the first embodiment of the present invention. The bottom view of the steam discharge device which concerns on 1st Embodiment of this invention. Sectional drawing of the steam discharge apparatus which concerns on 1st Embodiment of this invention. The perspective view of the steam discharge device which concerns on 2nd Embodiment of this invention. An exploded perspective view of the steam discharge device according to the second embodiment of the present invention. Bottom view of the steam discharge device according to the second embodiment of the present invention. Sectional drawing of the steam discharge apparatus which concerns on 2nd Embodiment of this invention.

An embodiment of the steam discharge device according to the present invention will be described with reference to FIGS. 1 to 9. In the plurality of drawings, the same or corresponding configurations are designated by the same reference numerals.

[First Embodiment]
The first embodiment of the steam discharge device according to the present invention will be described with reference to FIGS. 1 to 5.

FIG. 1 is a front view of a shelf incorporating the steam discharge device according to the first embodiment of the present invention.

As shown in FIG. 1, the steam discharge device 1 according to the first embodiment of the present invention is incorporated in the shelf 100 and used.

The shelf 100 includes a stand 101. On the shelf 100 or the table 101, a rice cooker, an electric heat insulating pot, and an electric appliance 200 (hereinafter, simply referred to as “equipment 200”) that generates steam such as a coffee maker are placed. A space for storing the device 200 is secured above the table 101. The space above the table 101 is called the storage unit 102.

The steam discharge device 1 is incorporated in the upper part of the storage portion 102 of the shelf 100. In other words, the steam discharge device 1 is arranged above the table 101. The steam discharge device 1 discharges the steam generated by the device 200 from the storage unit 102. The steam discharge device 1 has a steam discharge port 12 facing the front of the shelf 100. The steam discharge device 1 sucks air containing steam from the storage unit 102 and discharges it from the steam discharge port 12.

FIG. 2 is a perspective view of the steam discharge device according to the first embodiment of the present invention.

FIG. 3 is an exploded perspective view of the steam discharge device according to the first embodiment of the present invention.

FIG. 4 is a bottom view of the steam discharge device according to the first embodiment of the present invention.

FIG. 5 is a cross-sectional view of the steam discharge device according to the first embodiment of the present invention in the VV line of FIG.

As shown in FIGS. 2 to 5, the steam discharge device 1 according to the present embodiment includes a casing 3, an impeller 5 that generates a suction negative pressure for sucking steam, and an electric motor 6 that drives the impeller 5. The casing 7 that houses the impeller 5 and the electric motor 6, the suction side air passage 8 that is connected to the suction side of the impeller 5 and spreads flat in the front-rear direction and the left-right direction of the housing 3, and the front-rear direction of the housing 3. A steam suction port 9 that opens in a rectangular ring extending in the left-right direction to guide steam to the suction side air passage 8, and a discharge that connects to the casing 7 and guides steam discharged from the impeller 5 to the front side of the housing 3. It includes a side air passage 11 and a steam discharge port 12 that is connected to the discharge side air passage 11 and discharges steam toward the front surface of the casing 3.

The housing 3 has a flat outer shape in which the height dimension H is smaller than the depth dimension D and the width dimension W when installed on the shelf 100.

The housing 3 is connected to a pair of left and right side walls 3a, a back wall 3b that spans the rear ends of the left and right side walls 3a, a front wall 3c that spans the front ends of the left and right side walls 3a, and a front wall 3c. It also has a bottom wall 3d that spans the front ends of the left and right side walls 3a. The top surface of the housing 3 is open. The front edge of the bottom surface of the housing 3 is closed by the bottom wall 3d, while the back side of the bottom wall 3d is open. This open portion is called the bottom opening 15 of the housing 3. The bottom opening 15 of the housing 3 is provided with an annular frame 16 along the four sides of the bottom opening 15. The frame body 16 reduces the opening area of the bottom opening 15 and substantially defines the intake port 17 of the steam discharge device 1.

The front wall 3c has a steam discharge port 12. The steam discharge port 12 is secured as large as possible within the height dimension of the front wall 3c. Further, the steam discharge port 12 is open in a rectangular shape that is long in the width direction of the front wall 3c.

The impeller 5 is arranged on a center line extending in the front-rear direction of the housing 3. In other words, the impeller 5 is arranged at the center of the housing 3 in the width direction. Further, the impeller 5 is arranged at the center of the intake port 17 of the steam discharge device 1 in a plan view or a bottom view. The impeller 5 has a rotation center line that faces in the vertical direction of the housing 3. The impeller 5 is a flat so-called sirocco fan that spreads in a disk shape. The suction side of the impeller 5 faces upward of the housing 3.

The electric motor 6 is arranged in the center of the impeller 5. The size of the electric motor 6 in the direction of the rotation center line of the impeller 5 is slightly larger than the size of the impeller 5 (the height dimension or the thickness dimension of the impeller 5) in the direction of the rotation center line of the impeller 5. Protrudes to the suction side of the impeller 5 and invades the suction side air passage 8. The dimensions of the electric motor 6 in the direction of the rotation center line of the impeller 5 are the same as the dimensions of the impeller 5 in the direction of the rotation center line of the impeller 5 (height dimension or thickness dimension of the impeller 5). It may be smaller or smaller.

Further, the electric motor 6 has a terminal (not shown) for connecting a power line (not shown) on the opposite side (back side) of the impeller 5 to the suction side (not shown). That is, the terminals of the electric motor 6 are arranged on the opposite side of the suction side air passage 8 with the impeller 5 in between, that is, on the bottom surface side of the housing 3.

The casing 7 surrounds the outer circumference of the impeller 5 in the radial direction. The casing 7 is opened to the suction side of the impeller 5 and closed on the opposite side. Specifically, the casing 7 accommodates the impeller 5 and the electric motor 6 from the bottom surface side of the steam discharge device 1, and is open to the top surface side of the steam discharge device 1.

The casing 7 is integrated with the suction side air passage wall 21 (second air passage partition flat plate) that partitions the suction side air passage 8. The suction side air passage wall 21 has a flat plate shape, and extends from the open end of the casing 7 toward the front, back, left, and right of the steam discharge device 1. The suction side air passage wall 21 is a substantially horizontal flat plate in the installed state of the steam discharge device 1. That is, the suction side air passage wall 21 intersects the rotation center line of the impeller 5 and extends in the front-rear direction and the left-right direction of the housing 3 to partition the suction side air passage 8. The suction side air passage wall 21 overlaps the intake port 17 of the steam discharge device 1 in a plan view or a bottom view.

The suction side air passage partition box 22 covers the casing 7 and the suction side air passage wall 21 from the top surface side of the housing 3. The suction side air passage partition box 22 is combined with the frame body 16 to partition the suction side air passage 8 leading to the intake port 17.

Further, the casing 7 is integrated with the discharge side air passage wall 25 that partitions the discharge side air passage 11. The discharge side air passage wall 25 extends from the casing 7 in a spiral shape and reaches the steam discharge port 12.

The casing 7 is combined with a first casing cover 31 having a suction port 27 of the impeller 5 and a second casing cover 32 that cooperates with the first casing cover 31 to partition the discharge side air passage 11.

The casing 7 and the first casing cover 31 partition the blower chamber 35 that houses the impeller 5 and the electric motor 6. The first casing cover 31 closes the casing 7 from the top surface side of the steam discharge device 1. The first casing cover 31 is fastened to the casing 7 with an appropriate number of screws.

The discharge side air passage wall 25 and the second casing cover 32 of the casing 7 partition the discharge side air passage 11. The second casing cover 32 closes the discharge side air passage wall 25 from the top surface side of the steam discharge device 1. The second casing cover 32 is fastened to the casing 7 with an appropriate number of screws.

The suction side air passage 8 is a flat space that is sandwiched between the suction side air passage wall 21 and the suction side air passage partition box 22 and extends to the front, back, left, and right of the housing 3. That is, the suction side air passage 8 is arranged on the top surface side of the housing 3 with respect to the impeller 5. The suction side air passage wall 21 is integrated with the casing 7 and partitions the suction side air passage 8 so as to face the top plate 22a (air passage partition flat plate) of the suction side air passage partition box 22.

Further, the suction side air passage 8 extends in a direction intersecting the rotation center line of the impeller 5. The suction side air passage 8 has a substantially uniform height h. The height h of the suction side air passage 8 is a separation distance between the suction side air passage wall 21 and the top plate 22 a of the suction side air passage partition box 22. That is, the suction side air passage wall 21 and the top plate 22a of the suction side air passage partition box 22 face each other or face each other with a separation distance h. The edge of the suction side air passage 8 that spreads flat, that is, the four sides of the suction side air passage 8 corresponds to the vapor suction port 9.

A plurality of bosses 37 are provided on the suction side air passage wall 21, and the same number of bosses 38 as the boss 37 are provided on the top plate 22a of the suction side air passage partition box 22. These bosses 37 and 38 are butted against each other to define the height of the suction side air passage 8. The bosses 37 and 38 are provided with screws (not shown) for fixing the suction side air passage partition box 22 to the casing 7 and the suction side air passage wall 21.

The top plate 22a of the suction side air passage partition box 22 faces the suction side air passage wall 21 integrated with the casing 7. The top plate 22a of the suction side air passage partition box 22 is a substantially horizontal flat plate in the installed state of the steam discharge device 1. That is, the top plate 22a intersects the rotation center line of the impeller 5 and spreads in the front-rear direction and the left-right direction of the housing 3 to partition the suction side air passage 8. The top plate 22a is arranged on the top surface side of the housing 3 far from the bottom surface side of the housing 3.

The side plate 22b of the suction side air passage partition box 22 guides the steam rising through the intake port 17 to the suction side air passage 8.

The steam suction port 9 corresponds to the opening end on the upstream side of the suction side air passage 8. The vapor suction port 9 surrounds the impeller 5 in a rectangular shape in a plan view or a bottom view. In a plan view or a bottom view, the front, rear, left, and right side portions 9a, 9b, 9c, and 9d of the vapor suction port 9 overlap the side portions of the intake port 17. The steam suction port 9 is connected to the suction side air passage 8 at the front, rear, left and right side portions 9a, 9b, 9c, and 9d, respectively. The vapor suction port 9 has side portions 9a and 9b that substantially extend the entire width of the housing 3, and side portions 9c and 9d that are substantially longer than half the depth of the housing 3.

The steam discharge device 1 drives the electric motor 6 to rotate the impeller 5. The rotating impeller 5 sucks air from the suction side air passage 8 to generate a negative pressure. This negative pressure acts on the vapor suction port 9 through the suction side air passage 8.

When steam rises from the device 200, the steam passes through the intake port 17 and reaches the bottom surface of the casing 7 and the bottom surface of the suction side air passage wall 21 (broken line arrow S1 in FIG. 5). The steam that has reached the bottom surface of the casing 7 and the bottom surface of the suction side air passage wall 21 spreads in all directions following the bottom surface of the casing 7 and the bottom surface of the suction side air passage wall 21 (dashed line arrow S2 in FIG. 5). Therefore, the steam discharge device 1 sucks steam into the suction side air passage 8 from the steam suction ports 9 extending to the front, rear, left and right sides of the intake port 17 (broken line arrow S3 in FIG. 5). The vapor sucked into the suction side air passage 8 is collected toward the center of the suction side air passage 8 and sucked into the impeller 5 (dashed line arrow S4 in FIG. 5). The steam discharged from the impeller 5 into the space inside the casing 7 is exhausted from the steam discharge port 12 via the discharge side air passage 11.

The conventional steam exhaust device includes a recess that catches the steam rising from the device 200, a steam dispersion plate that disperses the steam in the recess, and a duct that covers the upper side of the recess and sends steam from the recess to the fan. .. On the other hand, the steam discharge device 1 according to the present embodiment includes a casing 7 that collectively accommodates fans (impeller 5 and electric motor 6), a rectangular annular steam suction port 9 that surrounds the fan, and a rectangular annular steam. It is provided with a flat suction side air passage 8 connected to the suction port 9 and a fan for sucking steam from the suction side air passage 8. Therefore, the steam discharge device 1 according to the present embodiment does not require a ventilation path corresponding to a duct in the conventional exhaust device, and its height dimension H is made thinner (for example, higher) than the conventional steam exhaust device. The size can be 50 mm or less). The thinner steam discharge device 1 is inconspicuous when installed on the shelf 100.

Further, the steam discharge device 1 according to the present embodiment includes side portions 9a and 9b that substantially extend the entire width of the housing 3 and side portions 9c and 9d that are substantially longer than half the depth of the housing 3. The vapor suction port 9 is provided. Therefore, the steam discharge device 1 can suck the steam rising from the device 200 into the steam suction port 9 from all four sides regardless of where the device 200 is placed on the shelf 100.

By the way, the suction side air passage 8 needs to be connected to the suction side of the fan (impeller 5 and the electric motor 6). Therefore, the steam discharge device 1 according to the present embodiment includes a suction side air passage 8 having a substantially uniform height h. Therefore, the steam discharge device 1 suppresses the dimension in the direction of the rotation center line of the fan, that is, the height dimension H to about the sum of the thickness (height) of the fan and the height h of the suction side air passage 8. Allows for thinning.

Further, the vapor suction port 9 has a rectangular shape that is long in the width direction of the housing 3 and short in the front-rear direction of the housing 3. Therefore, between the vapor suction speed at the side portions 9a and 9b of the vapor suction port 9 extending in the width direction of the housing 3 and the vapor suction speed at the side portions 9c and 9d extending in the front-rear direction of the housing 3. Makes a difference. Therefore, the steam discharge device 1 may include, for example, a suction speed adjusting unit 41 that reduces the opening widths of the side portions 9a and 9b of the steam suction port 9 extending in the width direction of the housing 3.

The suction speed adjusting unit 41 closes a part of the vapor suction port 9 and adjusts the balance of the suction negative pressure at the side portions 9a, 9b, 9c, 9d of the housing 3 in the front-rear direction and the left-right direction, respectively. For example, the suction speed adjusting unit 41 is provided at the center of the long side portions 9a and 9b of the vapor suction port 9. The suction speed adjusting unit 41 reduces the imbalance of the suction speed at the front and rear and left and right side portions 9a, 9b, 9c, and 9d of the vapor suction port 9.

The suction speed adjusting unit 41 may promote an imbalance in the suction speed at the front and rear and left and right side portions 9a, 9b, 9c, and 9d of the vapor suction port 9. For example, the suction speed can be adjusted so that the vapor that has entered the back side of the shelf 100 is sucked more strongly.

The top plate of the housing 3, the intake port 17, the steam suction port 9, the suction side air passage 8, the suction side air passage wall 21, and the suction side air passage partition box 22 according to the present embodiment. The 22a (air passage partition flat plate) is rectangular in a plan view or a bottom view, which corresponds to the storage portion 102 of the shelf 100. For example, in the case of the steam discharge device 1 applied to the trapezoidal columnar storage portion 102 having a wide front surface and a narrow back surface, the housing 3, the intake port 17, the steam suction port 9, the suction side air passage 8, and the suction side air passage The wall 21 and the top plate 22a (air passage partition flat plate) of the suction side air passage partition box 22 may be trapezoidal in a plan view or a bottom view.

[Second Embodiment]
A second embodiment of the steam discharge device according to the present invention will be described with reference to FIGS. 6 to 9.

In this embodiment, the same or corresponding configurations as those in the first embodiment are designated by the same reference numerals, and duplicate description will be omitted.

FIG. 6 is a perspective view of the steam discharge device according to the second embodiment of the present invention.

FIG. 7 is an exploded perspective view of the steam discharge device according to the second embodiment of the present invention.

FIG. 8 is a bottom view of the steam discharge device according to the second embodiment of the present invention.

FIG. 9 is a cross-sectional view of the steam discharge device according to the second embodiment of the present invention in the IX-IX line of FIG.

While the steam discharge device 1 according to the first embodiment has a suction side air passage 8 arranged on the top surface side of the housing 3 with the suction side of the impeller 5 facing upward of the housing 3. As shown in FIGS. 6 to 9, in the steam discharge device 1A according to the present embodiment, the suction side of the impeller 5 is directed downward of the housing 3, and the suction side is arranged on the bottom surface side of the housing 3. It has an air passage 8A.

Due to such a difference in configuration, the steam discharge device 1A according to the present embodiment includes the steam reservoir compartment box 51 corresponding to the suction side air passage compartment 22 of the first embodiment and the first casing of the first embodiment. The partition plate 52 (second air passage partition flat plate) corresponding to the cover 31 and the second casing cover 32 and integrally having the suction side air passage wall 21, and the suction side air passage partition box 22 of the first embodiment. It is provided with a suction side air passage partition 53 (air passage partition flat plate) corresponding to the top plate 22a.

On the other hand, the steam discharge device 1A according to the present embodiment includes a casing 3, an impeller 5 that generates a suction negative pressure for sucking steam, and an electric motor 6 that drives the impeller 5, as in the first embodiment. A casing 7 that houses the impeller 5 and the electric motor 6, a suction side air passage 8A that is connected to the suction side of the impeller 5 and spreads flat in the front-rear direction and the left-right direction of the housing 3, and the front-rear direction and left and right of the housing 3. A steam suction port 9A that opens in a rectangular ring extending in the direction and guides steam to the suction side air passage 8A, and a discharge side wind that connects to the casing 7 and guides steam discharged from the impeller 5 to the front side of the housing 3. It is provided with a passage 11 and a steam discharge port 12 that is connected to the discharge side air passage 11 and discharges steam toward the front surface of the casing 3.

The terminals of the electric motor 6 are arranged on the opposite side of the suction side air passage 8A with the impeller 5 sandwiched between them, that is, on the top surface side of the housing 3.

The casing 7 accommodates the impeller 5 and the electric motor 6 from the top surface side of the steam discharge device 1, and is open to the bottom surface side of the steam discharge device 1.

The casing 7 is integrated with the steam reservoir compartment 51. The steam reservoir compartment box 51 is combined with the frame body 16 to partition the steam reservoir 55 leading to the intake port 17.

The side plate 51b of the steam reservoir compartment 51 guides the steam rising through the intake port 17 to the steam reservoir 55.

A partition plate 52 having a suction port 27 of the impeller 5 is combined with the casing 7.

The casing 7 and the partition plate 52 partition the blower chamber 35 that houses the impeller 5 and the electric motor 6. The partition plate 52 closes the casing 7 from the bottom surface side of the steam discharge device 1A. The partition plate 52 is fastened to the casing 7 with an appropriate number of screws.

The discharge side air passage wall 25 and the partition plate 52 of the casing 7 partition the discharge side air passage 11. The partition plate 52 closes the discharge side air passage wall 25 from the bottom surface side of the steam discharge device 1A.

The partition plate 52 is a substantially horizontal flat plate in the installed state of the steam discharge device 1.

The suction side air passage wall 21 integrated with the partition plate 52 has a flat plate shape, and extends toward the outside of the casing 7 and toward the front, back, left, and right of the steam discharge device 1. That is, the suction side air passage wall 21 intersects the rotation center line of the impeller 5 and extends in the front-rear direction and the left-right direction of the housing 3 to partition the suction side air passage 8A. The suction side air passage wall 21 has a rectangle smaller than the intake port 17 of the steam discharge device 1 in a plan view or a bottom view.

The suction side air passage compartment 53 has a rectangle smaller than the suction side air passage wall 21 in a plan view or a bottom view. The suction side air passage partition 53 has a tray shape (bon festival shape) that opens toward the suction side air passage wall 21. That is, the suction side air passage partition 53 has a bottom plate 53a facing or facing the suction side air passage wall 21 and a side plate 53b connected to the bottom plate 53a and extending toward the suction side air passage wall 21. ing.

The suction side air passage 8A is flat and spreads forward, backward, left and right of the housing 3 sandwiched between the suction side air passage wall 21 integrated with the partition plate 52 and the bottom plate 53a of the suction side air passage partition 53. It is a space. That is, the suction side air passage 8A is arranged on the bottom surface side of the housing 3 with respect to the impeller 5. The partition plate 52 and the suction side air passage wall 21 (second air passage partition flat plate) integrated with the partition plate 52 are combined with the casing 7 to partition the discharge side air passage 11 and the suction side air passage division. The suction side air passage 8A is partitioned so as to face the bottom plate 53a of the body 53.

The suction side air passage 8A extends in a direction intersecting the rotation center line of the impeller 5. The suction side air passage 8A has a substantially uniform height h. The height h of the suction side air passage 8A is a separation distance between the suction side air passage wall 21 and the bottom plate 53a (air passage partition flat plate) of the suction side air passage partition 53. That is, the suction side air passage wall 21 and the bottom plate 53a of the suction side air passage partition 53 face each other or face each other with a separation distance h. The edge of the suction side air passage 8A that spreads flatly, that is, the four sides of the suction side air passage 8A correspond to the vapor suction port 9A. The steam suction port 9A is narrowed down from the height h of the suction side air passage 8A by the side plate 53b of the suction side air passage partition 53.

The bottom plate 53a of the suction side air passage partition 53 is provided with a plurality of bosses 57, and the suction side air passage wall 21 is provided with the same number of through holes 58 as the boss 57. The boss 57 is abutted against the top plate 51a of the steam reservoir partition box 51 through the through hole 58. The boss 57 defines the height h of the suction side air passage 8A. The boss 57 is provided with screws (not shown) for fixing the suction side air passage compartment 53 to the steam reservoir compartment 51.

The bottom plate 53a of the suction side air passage partition 53 faces the suction side air passage wall 21 integrated with the partition plate 52. The bottom plate 53a of the suction side air passage partition 53 is a substantially horizontal flat plate in the installed state of the steam discharge device 1A. That is, the bottom plate 53a intersects the rotation center line of the impeller 5 and spreads in the front-rear direction and the left-right direction of the housing 3 to partition the suction side air passage 8A. The bottom plate 53a is arranged on the bottom surface side of the housing 3 far from the top surface side of the housing 3.

The bottom surface of the suction side air passage compartment 53 and the portion of the suction side air passage wall 21 that does not face the suction side air passage compartment 53 (that is, the portion outside the suction side air passage compartment 53) is taken. It faces below the steam discharge device 1A through the inlet 17.

The steam suction port 9A corresponds to the opening end on the upstream side of the suction side air passage 8A. The vapor suction port 9A surrounds the impeller 5 in a rectangular shape in a plan view or a bottom view. In a plan view, the front, rear, left, and right sides 9a, 9b, 9c, and 9d of the vapor suction port 9A are in the inner region of the intake port 17 and in the inner region of the suction side air passage wall 21. The steam suction port 9A is connected to the suction side air passage 8A at the front, rear, left and right side portions 9a, 9b, 9c and 9d, respectively.

The steam discharge device 1A drives the electric motor 6 to rotate the impeller 5. The rotating impeller 5 sucks air from the suction side air passage 8A to generate a negative pressure. This negative pressure acts on the vapor suction port 9A through the suction side air passage 8A.

When steam rises from the device 200, the steam passes through the intake port 17 and enters the inside of the steam reservoir partition box 51, and of the bottom surface of the suction side air passage partition 53 and the suction side air passage wall 21. It reaches a portion that does not face the suction side air passage compartment 53 (that is, a portion outside the suction side air passage compartment 53) (broken line arrow S1 in FIG. 9). The vapor that reaches the bottom surface of the suction side air passage compartment 53 and the portion of the suction side air passage wall 21 that does not face the suction side air passage compartment 53 is the bottom surface of the suction side air passage compartment 53 and the suction side wind. It spreads in all directions following the portion of the road wall 21 that does not face the suction side air passage section 53 (broken line arrow S2 in FIG. 9). Therefore, the steam discharge device 1A sucks steam into the suction side air passage 8A from the steam suction port 9A surrounding the periphery of the suction side air passage partition 53. The steam sucked into the suction side air passage 8A is collected toward the center of the suction side air passage 8A and sucked into the impeller 5 (broken line arrow S3 in FIG. 9). The steam discharged from the impeller 5 into the space inside the casing 7 is exhausted from the steam discharge port 12 via the discharge side air passage 11.

At this time, the steam that does not suck into the suction side air passage 8A and spreads in all directions following the portion of the suction side air passage wall 21 that does not face the suction side air passage compartment 53 is the steam reservoir compartment 51. It is trapped in the steam reservoir 55 inside and temporarily stays there (dashed arrow S4 in FIG. 9). Then, the steam staying in the steam reservoir 55 is eventually sucked into the suction side air passage 8A from the steam suction port 9A (dashed line arrow S3 in FIG. 9) and exhausted. In other words, the steam reservoir 55 functions as a buffer for temporarily retaining steam that cannot be completely sucked by the fans (impeller 5 and electric motor 6).

The conventional steam exhaust device includes a recess that catches the steam rising from the device 200, a steam dispersion plate that disperses the steam in the recess, and a duct that covers the upper side of the recess and sends steam from the recess to the fan. .. On the other hand, the steam discharge device 1A according to the present embodiment includes a casing 7 for collectively accommodating fans (impeller 5 and electric motor 6), a rectangular annular steam suction port 9A surrounding the fan, and a rectangular annular steam. It is provided with a flat suction side air passage 8A connected to the suction port 9A and a fan for sucking vapor from the suction side air passage 8A. Therefore, the steam discharge device 1A according to the present embodiment does not require a ventilation path corresponding to a duct in the conventional exhaust device, and its height dimension H is made thinner (for example, higher) than the conventional steam exhaust device. The size can be 50 mm or less). The thinner steam discharge device 1 is inconspicuous when installed on the shelf 100.

By the way, the suction side air passage 8A needs to be connected to the suction side of the fan (impeller 5 and the electric motor 6). Therefore, the steam discharge device 1A according to the present embodiment includes a suction side air passage 8A having a substantially uniform height h. Therefore, the steam discharge device 1 suppresses the dimension in the direction of the rotation center line of the fan, that is, the height dimension H, to about the sum of the thickness (height) of the fan and the height h of the suction side air passage 8A. Allows for thinning.

Further, the vapor suction port 9A has a rectangular shape that is long in the width direction of the housing 3 and short in the front-rear direction of the housing 3. Therefore, between the vapor suction speed at the side portions 9a and 9b of the vapor suction port 9 extending in the width direction of the housing 3 and the vapor suction speed at the side portions 9c and 9d extending in the front-rear direction of the housing 3. Makes a difference. Therefore, the steam discharge device 1A may include, for example, a suction speed adjusting unit 41A that reduces the opening widths of the side portions 9a and 9b of the steam suction port 9A extending in the width direction of the housing 3.

The suction speed adjusting unit 41A is provided in the suction side air passage partition 53. The suction speed adjusting unit 41A closes a part of the vapor suction port 9 and adjusts the equilibrium of the suction negative pressure at the front and rear and left and right side portions 9a, 9b, 9c, and 9d of the housing 3. For example, the suction speed adjusting unit 41A is provided at the center of the long side portions 9a and 9b of the vapor suction port 9A. The suction speed adjusting unit 41A reduces the imbalance of the suction speed at the front and rear and left and right side portions 9a, 9b, 9c, and 9d of the vapor suction port 9A.

The suction speed adjusting unit 41A may promote an imbalance in the suction speed at the front and rear and left and right side portions 9a, 9b, 9c, and 9d of the vapor suction port 9A. For example, the suction speed can be adjusted so that the vapor that has entered the back side of the shelf 100 is sucked more strongly.

The housing 3, the intake port 17, the steam suction port 9A, the suction side air passage 8A, the suction side air passage wall 21, and the suction side air passage partition 53 according to the present embodiment are flat surfaces. It is rectangular in view or bottom view, which corresponds to the storage portion 102 of the shelf 100. For example, in the case of the steam discharge device 1A applied to the trapezoidal columnar storage portion 102 having a wide front surface and a narrow back surface, the housing 3, the intake port 17, the steam suction port 9A, the suction side air passage 8A, and the suction side air passage The wall 21 and the suction side air passage partition 53 may be trapezoidal in plan view or bottom view.

As described above, according to the steam discharge devices 1 and 1A according to the present embodiment, the steam discharge devices 1 and 1A can be installed on the shelf 100 without being noticeable and without lowering the ceiling height of the shelf 100 as much as possible.

1, 1A ... steam exhaust device, 3 ... housing, 3a ... side wall, 3b ... back wall, 3c ... front wall, 3d ... bottom wall, 5 ... impeller, 6 ... electric motor, 7 ... casing, 8, 8A ... suction Side air passages, 9, 9A ... Steam suction port, 9a, 9b ... Side part (long side part), 9c, 9d ... Side part (short side part), 11 ... Discharge side air passage, 12 ... Steam discharge port, 15 ... bottom opening, 16 ... frame, 17 ... intake port, 21 ... suction side air passage wall, 22 ... suction side air passage partition box, 22a ... top plate, 22b ... side plate, 25 ... discharge side air passage wall, 27 ... Suction port, 31 ... First casing cover, 32 ... Second casing cover, 35 ... Blower chamber, 37, 38 ... Boss, 41, 41A ... Suction speed adjustment unit, 51 ... Steam reservoir compartment compartment box, 51a ... Top plate , 51b ... side plate, 52 ... partition plate, 53 ... suction side air passage partition, 53a ... bottom plate, 53b ... side plate, 55 ... steam reservoir, 57 ... boss, 58 ... through hole, 100 ... shelf, 101 ... stand, 102 ... Storage unit, 200 ... Electrical appliances, equipment.

Claims (8)

A steam discharge device that is used by being incorporated in a shelf provided with a stand on which equipment that generates steam is placed, and is placed above the stand.
With the housing
An impeller that sucks in the vapor and generates a negative pressure.
The electric motor that drives the impeller and
A casing that houses the impeller and the electric motor,
A suction side air passage that is connected to the suction side of the impeller and extends flat in the front-rear direction and the left-right direction of the housing.
A steam suction port that opens in a rectangular ring extending in the front-rear direction and the left-right direction of the housing and guides the steam to the suction side air passage.
A discharge side air passage that is connected to the casing and guides the steam discharged from the impeller to the front side of the housing.
A steam discharge port connected to the discharge side air passage and discharging the steam toward the front of the housing,
A steam discharge device including a suction speed adjusting unit that closes a part of the steam suction port and adjusts the balance of suction speeds at the front, rear, left and right sides of the steam suction port . The steam discharge device according to claim 1, wherein the steam suction port has a side portion over substantially the entire width of the housing and a side portion substantially longer than half the depth of the housing. The steam discharge device according to claim 1 or 2, wherein the suction side air passage has substantially uniform heights in the front-rear direction and the left-right direction of the housing. The steam according to any one of claims 1 to 3, further comprising an air passage partition flat plate that intersects the rotation center line of the impeller and extends in the front-rear direction and the left-right direction of the housing to partition the suction side air passage. Discharge device. The steam discharge device according to claim 4, wherein the air passage partition flat plate is arranged on the top surface side of the housing. The steam discharge device according to claim 5, further comprising a second air passage partition flat plate integrally molded with the casing and facing the air passage partition flat plate to partition the suction side air passage. The steam discharge device according to claim 4, wherein the air passage partition flat plate is arranged on the bottom surface side of the housing. The steam discharge device according to claim 7, further comprising a second air passage partition flat plate that is combined with the casing to partition the discharge side air passage and partitions the suction side air passage facing the air passage partition flat plate. ..

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