Parallel flow heat exchanger with double rows of flat pipes

By employing a movable outer shell and sliding connection design in the double-row flat tube parallel flow heat exchanger, the problem of complex disassembly in the prior art is solved, making installation and disassembly easier and improving maintenance efficiency.

CN224051112UActive Publication Date: 2026-03-27DAYE SHIJIA MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing double-row flat tube parallel flow heat exchangers are inconvenient to install and disassemble when the heat exchange device is damaged, requiring a lot of time and effort to tighten the bolts, which affects maintenance efficiency.

Method used

The design features a movable housing, and the sliding connection and sealing ring structure simplify the connection and disassembly process, allowing the connecting pipe to be moved closer to or further away from the housing to disconnect the pipe connection, thus simplifying the installation and disassembly steps.

Benefits of technology

It facilitates the installation and disassembly of heat exchange devices, reduces the difficulty and time cost of maintenance, and improves work efficiency.

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Abstract

The utility model relates to the technical field of heat exchangers, and discloses a parallel flow heat exchanger with double rows of flat tubes, which comprises a base, two guide rods are fixedly connected to the inner wall of the base, the two guide rods are sleeved with the same mounting seat, the mounting seat is slidably connected with the guide rods and the base, and two shells are arranged at the top of the mounting seat. The shell is matched with a caulking groove in the mounting base, two first supporting rods are fixedly connected to the tops of the two ends of the mounting base, second supporting rods are arranged on the sides, close to the shell, of the first supporting rods, and first fixing rings are fixedly connected to the tops of the first supporting rods; a first water inlet pipe, a second water inlet pipe, a first connecting pipe, a second connecting pipe, a third connecting pipe, a fourth connecting pipe, a first water outlet pipe and a second water outlet pipe are arranged on the two sides of the shell respectively. According to the utility model, the heat exchange device is convenient to mount and dismount, the difficulty of maintenance work is reduced, the time and energy required by mounting and dismounting work are reduced, and the working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field especially relates to a parallel flow heat exchanger of double row flat tube. BACKGROUND

[0002] Through the retrieval, the patent of Chinese patent authorization number CN221611890U discloses a parallel flow heat exchanger of double row flat tube, including two outer shell bodies, two outer shell bodies are arranged side by side, and the outer shell body includes the cold water inlet pipe arranged at the left side, the hot water inlet pipe and the hot water outlet pipe at the top and the cold water outlet pipe at the right side;The other end of two cold water inlet pipes is connected at the two ends of three-way pipe one through flange plate and bolt respectively, and three-way valve one is installed on three-way pipe one;The other end of two hot water inlet pipes is connected at the two ends of three-way pipe two through flange plate and bolt respectively, and three-way valve two is installed on three-way pipe two. The utility model discloses when the heat exchange device inside one of the outer shell bodies is damaged, the three-way valve can be adjusted to make the pipeline of the damaged heat exchange device cut off, and the water body is used for heat exchange from another outer shell body, temporarily guaranteeing water supply and avoiding complete water cut-off.

[0003] The parallel flow heat exchanger of double row flat tube in the above patent has the following disadvantages: inconvenient to install and disassemble, when the heat exchange device in one of the outer shell bodies is damaged, it needs to be disassembled for maintenance or replacement, but the hot water inlet pipe, the hot water outlet pipe, the cold water inlet pipe and the cold water outlet pipe in the above patent are connected with the three-way valve through bolts, which needs to spend more time and effort to twist the bolts to disassemble the damaged device during installation and disassembly, the operation steps are very complex, which affects the efficiency of maintenance work to some extent. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in the prior art and provides a parallel flow heat exchanger of double row flat tube.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of parallel flow heat exchanger of double-row flat tube, including base, the inner wall of the base is fixedly connected with two guide rods, two The guide rod is sleeved with the same mounting seat, the mounting seat is slidably connected guide rod and base, the top of the mounting seat is provided with two housings, the housing is compatible with the recess on mounting seat, the top of the both ends of the mounting seat is fixedly connected with two first support rods, the first support rod is provided with second support rod on the side close to housing, the top of the first support rod is fixedly connected with first fixed ring, the top of the second support rod is fixedly connected with second fixed ring, the both sides of the housing are respectively provided with first water inlet pipe, second water inlet pipe, first connecting pipe, second connecting pipe, third connecting pipe, fourth connecting pipe, first water outlet pipe and second water outlet pipe, first water inlet pipe, second water inlet pipe, first water outlet pipe and second water outlet pipe are fixedly connected first fixed ring, first connecting pipe, second connecting pipe, third connecting pipe and fourth connecting pipe are fixedly connected second fixed ring, the top of the both ends of the base is fixedly connected with slide rail, the second support rod is arranged in slide rail, the second support rod is slidably connected slide rail, the pipe body of first water inlet pipe, second water inlet pipe, first water outlet pipe and second water outlet pipe is flexible pipe, the pipe body of first connecting pipe, second connecting pipe, third connecting pipe and fourth connecting pipe is telescopic flexible pipe, second connecting pipe is fixedly connected housing, first water inlet pipe, second water inlet pipe, first water outlet pipe and second water outlet pipe are all set with sealing groove on the side close to housing, sealing ring is arranged in sealing groove, first connecting pipe, second connecting pipe, third connecting pipe and fourth connecting pipe are all fixedly connected with sealing ring on the side away from housing, sealing ring is compatible with sealing ring, because the technical means that first connecting pipe, second connecting pipe, third connecting pipe and fourth connecting pipe are moved by moving housing when disassembling, so first connecting pipe, second connecting pipe, third connecting pipe and fourth connecting pipe will move close to housing, and the connection with first water inlet pipe, second water inlet pipe, first water outlet pipe and second water outlet pipe is released, and sealing ring is also removed from sealing groove and not in contact with sealing ring, and the housing is reversely moved during installation to be connected again, effectively solve the problem that the existing device is inconvenient to install and disassemble in the background art, when the heat exchange device in one of the housings is damaged, it needs to be disassembled for repair or replacement, but the hot water inlet pipe, hot water outlet pipe, cold water inlet pipe and cold water outlet pipe in the above-mentioned patent are connected by bolts between the three-way valve, which needs to spend more time and effort to twist the bolt during installation and disassembly to remove the damaged device, the operation steps are very complex, which affects the efficiency of maintenance work to some extent, and then realize the technical effects of facilitating the installation and disassembly of heat exchange device, reducing the difficulty of maintenance work, reducing the time and effort required for installation and disassembly work, and improving work efficiency.

[0007] As a further scheme of the utility model, the bottom of the second supporting rod is fixedly connected with a sliding block, four sliding grooves are formed in the mounting seat, the sliding grooves are matched with the sliding blocks, the sliding blocks are arranged in the sliding grooves, and the sliding blocks are slidably connected with the mounting seat.

[0008] As a further scheme of the utility model, the inside of the shell is provided with a plurality of heat exchange pipes, the two ends of the heat exchange pipes are sleeved with fixed plates, and the heat exchange pipes are fixedly connected with the fixed plates.

[0009] As a further scheme of the utility model, the fixed plates are fixed on the inner wall of the shell through bolts, and the two fixed plates are centrally symmetrically arranged.

[0010] As a further scheme of the utility model, the two sides of the shell are fixedly provided with sealing doors through bolts, the sealing doors are fixedly connected with the first connecting pipe, the third connecting pipe and the fourth connecting pipe, the fixed plate close to the fourth connecting pipe is sleeved on the fourth connecting pipe, and the fourth connecting pipe is fixedly connected with the fixed plate.

[0011] As a further scheme of the utility model, the space between the fixed plate and the shell and the sealing door forms a first cabin and a second cabin.

[0012] As a further scheme of the utility model, the first cabin is communicated with the first connecting pipe and the third connecting pipe.

[0013] The utility model has the advantages that:

[0014] The utility model discloses: since adopting the technical means that the shell can be moved during dismounting, the first connecting pipe, the second connecting pipe, the third connecting pipe and the fourth connecting pipe can be moved close to the shell, the connection with the first water inlet pipe, the second water inlet pipe, the first water outlet pipe and the second water outlet pipe is released, the sealing ring can be moved out of the sealing groove and not contact the sealing ring, the shell is reversely moved during installation, and connection can be carried out again, the existing device is inconvenient to install and dismount in the background art, when the heat exchange device in one shell body is damaged, the device needs to be dismounted for maintenance or replacement, but the hot water inlet pipe, the hot water outlet pipe, the cold water inlet pipe and the cold water outlet pipe in the above patent are fastenedly connected with the three-way valve through bolts, a lot of time and energy are needed to twist the bolts during installation and dismounting, the damaged device can be dismounted, the operation steps are very complex, the efficiency of maintenance work is affected to a certain extent, and then the technical effects that the heat exchange device is convenient to install and dismount, the difficulty of maintenance work is reduced, the time and energy required for installation and dismounting work are reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of a parallel flow heat exchanger with double-row flat tubes is provided in the utility model.

[0016] Figure 2 A partial structure schematic view of a parallel flow heat exchanger with double-row flat tubes is provided in the utility model.

[0017] Figure 3 A partial section structure schematic view of a parallel flow heat exchanger with double-row flat tubes is provided in the utility model.

[0018] Figure 4 A mounting seat section structure schematic view of a parallel flow heat exchanger with double-row flat tubes is provided in the utility model.

[0019] Figure 5 A slide rail structure schematic view of a parallel flow heat exchanger with double-row flat tubes is provided in the utility model.

[0020] Figure 6 A first connecting pipe expansion structure schematic view of a parallel flow heat exchanger with double-row flat tubes is provided in the utility model.

[0021] Figure 7 A sealing groove structure schematic view of a parallel flow heat exchanger with double-row flat tubes is provided in the utility model.

[0022] Figure 8 A partial upper view structure schematic view of a parallel flow heat exchanger with double-row flat tubes is provided in the utility model.

[0023] In the drawing: 1, base; 2, guide rod; 3, mounting seat; 4, shell; 5, first support rod; 6, second support rod; 7, first water inlet pipe; 8, second water inlet pipe; 9, first connecting pipe; 10, second connecting pipe; 11, slide rail; 12, third connecting pipe; 13, fourth connecting pipe; 14, first water outlet pipe; 15, second water outlet pipe; 16, sliding block; 17, slide groove; 18, heat exchange pipe; 19, sealing door; 20, handle; 21, sealing groove; 22, sealing ring; 23, sealing ring; 24, first fixed ring; 25, second fixed ring; 26, fixed plate; 2601, first cabin; 2602, second cabin. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] It should be noted that the embodiments and features of the embodiments in the present application can be combined with each other in the case of no conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0026] With reference to Figure 1 Figure 8 ​The utility model provides a kind of parallel flow heat exchanger of double-row flat tube, including base 1, the inner wall of base 1 is fixedly connected with two guide rods 2, two guide rods 2 are all sleeved with same mounting seat 3, mounting seat 3 is slidably connected guide rod 2 and base 1, the top of mounting seat 3 is provided with two housings 4, housing 4 is compatible with the recess on mounting seat 3, the top of both ends of mounting seat 3 is fixedly connected with two first support rods 5, second support rod 6 is provided on the side of first support rod 5 close to housing 4, the top of first support rod 5 is fixedly connected with first fixed ring 24, the top of second support rod 6 is fixedly connected with second fixed ring 25, the two sides of housing 4 are respectively provided with first water inlet pipe 7, second water inlet pipe 8, first connecting pipe 9, second connecting pipe 10, third connecting pipe 12, fourth connecting pipe 13, first water outlet pipe 14 and second water outlet pipe 15, first water inlet pipe 7, second water inlet pipe 8, first water outlet pipe 14 and second water outlet pipe 15 are fixedly connected first fixed ring 24, first connecting pipe 9, second connecting pipe 10, third connecting pipe 12 and fourth connecting pipe 13 are fixedly connected second fixed ring 25, the top of both ends of base 1 is fixedly connected with slide rail 11, second support rod 6 is arranged in slide rail 11, second support rod 6 is slidably connected slide rail 11, the pipe body of first water inlet pipe 7, second water inlet pipe 8, first water outlet pipe 14 and second water outlet pipe 15 is hose, the pipe body of first connecting pipe 9, second connecting pipe 10, third connecting pipe 12 and fourth connecting pipe 13 is telescopic hose, second connecting pipe 10 is fixedly connected housing 4, first water inlet pipe 7, second water inlet pipe 8, first water outlet pipe 14 and second water outlet pipe 15 are all provided with sealing groove 21 on the side close to housing 4, sealing ring 22 is arranged in sealing groove 21, first connecting pipe 9, second connecting pipe 10, third connecting pipe 12 and fourth connecting pipe 13 are all fixedly connected with sealing ring 23 on the side away from housing 4, sealing ring 23 is compatible with sealing ring 22, since the technical means that moving housing can make first connecting pipe, second connecting pipe, third connecting pipe and fourth connecting pipe move when disassembling, so first connecting pipe, second connecting pipe, third connecting pipe and fourth connecting pipe will move close to housing, remove the connection with first water inlet pipe, second water inlet pipe, first water outlet pipe and second water outlet pipe, also can make sealing ring from sealing groove remove not with sealing ring contact, when installing, make housing reverse movement can be connected again, effectively solve the problem that existing device is inconvenient to install and disassemble in background art, when heat exchange device in one of shell body is damaged, it needs to be disassembled for maintenance or replacement, but hot water inlet pipe, hot water outlet pipe, cold water inlet pipe and cold water outlet pipe in the above patent are connected between three-way valve through bolt fastening, need to spend more time and energy to screw bolt to be able to take down damaged device when installing and disassembling, operation step is very complex, to a certain extent, affect the efficiency of maintenance work, further realize the technical effect that heat exchange device is convenient to install and disassemble, reduce the difficulty of maintenance work, reduce the time and energy needed for installation and disassembly work, improve work efficiency.

[0027] In the embodiment, the bottom of the second supporting rod 6 is fixedly connected with a sliding block 16, four sliding grooves 17 are formed in the mounting seat 3, the sliding grooves 17 are matched with the sliding block 16, the sliding block 16 is arranged in the sliding groove 17, and the sliding block 16 is slidingly connected with the mounting seat 3. Both sides of the mounting seat 3 are fixedly connected with handles 20.

[0028] In the embodiment, the inside of the shell 4 is provided with a plurality of heat exchange pipes 18, both ends of the heat exchange pipes 18 are sleeved with fixed plates 26, and the heat exchange pipes 18 are fixedly connected with the fixed plates 26.

[0029] In the embodiment, the fixed plates 26 are fixed on the inner wall of the shell 4 by bolts, and the two fixed plates 26 are centrally symmetrically arranged.

[0030] In the embodiment, both sides of the shell 4 are fixedly provided with sealing doors 19 by bolts, the sealing doors 19 are fixedly connected with the first connecting pipe 9, the third connecting pipe 12 and the fourth connecting pipe 13, the fixed plate 26 close to the fourth connecting pipe 13 is sleeved on the fourth connecting pipe 13, and the fourth connecting pipe 13 is fixedly connected with the fixed plate 26.

[0031] In the embodiment, the space between the fixed plate 26 and the shell 4 and the sealing door 19 forms a first cabin 2601 and a second cabin 2602.

[0032] In the embodiment, the first cabin 2601 is in communication with the first connecting pipe 9 and the third connecting pipe 12.

[0033] Working principle: when using the device, one of the heat exchange pipes 18 in the shell 4 is used for heat exchange, and the other heat exchange pipe 18 in the shell 4 is used for work, at the same time, the valve of the water supply device of the non-working heat exchange pipe 18 is closed, the water supply device is connected through the first water inlet pipe 7 and the second water inlet pipe 8, and the first water outlet pipe 14 and the second water outlet pipe 15 are connected to the collecting device, cold water is injected into the shell 4 through the second water inlet pipe 8, and hot water is injected into the heat exchange pipe 18 through the first water inlet pipe 7, after heat exchange, the cooled water reaches the first cabin 2601 close to the first water outlet pipe 14 through the heat exchange pipe 18, then reaches the third connecting pipe 12, and finally the cooled water is discharged through the first water outlet pipe 14, the heated water is discharged through the second water outlet pipe 15 through the fourth connecting pipe 13, when the heat exchange pipe 18 is damaged and the device cannot work normally, the heat exchange pipe 18 in the other shell 4 is used for heat exchange to ensure water supply and avoid complete water interruption, at the same time, the handle 20 is pulled to move the mounting seat 3 to one side of the base 1, the mounting seat 3 will move along the guide rod 2, the movement of the mounting seat 3 will drive the shell 4 to move, the movement of the mounting seat 3 will also drive the sliding block 16 and the first supporting rod 5 to move, the sliding block 16 will drive the second supporting rod 6 to move, the second supporting rod 6 will move along the sliding rail 11, when the second supporting rod 6 moves to the bending part of the sliding rail 11 and continues to move, the second supporting rod 6 will move close to the shell 4, the second supporting rod 6 will drive the sliding block 16 to move along the sliding groove 17, the second supporting rod 6 will also drive the second fixing ring 25 to move, the second fixing ring 25 will drive the first connecting pipe 9, the second connecting pipe 10, the third connecting pipe 12 and the fourth connecting pipe 13 to move, the sealing ring 23 will move out of the sealing groove 21, the first connecting pipe 9, the second connecting pipe 10, the third connecting pipe 12 and the fourth connecting pipe 13 will move away from the sealing ring 22, and the joints of the first connecting pipe 9, the second connecting pipe 10, the third connecting pipe 12 and the fourth connecting pipe 13 will move close to the shell 4, when the second supporting rod 6 moves to the gap of the sliding rail 11, the personnel drives the second supporting rod 6 to further move the sliding block 16 in the sliding groove 17, and the second supporting rod 6 moves out of the gap of the sliding rail 11, at this time, the damaged side assembly of the heat exchange pipe 18 can be taken out for repair or replacement, and the heat exchange equipment on the other side works normally to supply water, during installation, the shell 4 is placed in the embedded groove on the mounting seat 3, the second supporting rod 6 enters the sliding rail 11 through the gap, and the shell 4 moves by pushing the handle 20, when the second supporting rod 6 passes through the bending part of the sliding rail 11 and continues to move, the sealing ring 23 moves close to the sealing groove 21 and enters the sealing groove 21, and the sealing ring 23 and the sealing ring 22 are sealed by cooperation, the first connecting pipe 9 is connected with the first water inlet pipe 7, the second connecting pipe 10 is connected with the second water inlet pipe 8, the third connecting pipe 12 is connected with the first water outlet pipe 14, and the fourth connecting pipe 13 is connected with the second water outlet pipe 15, so that the device can be used normally.

[0034] For purposes of the description hereinafter, spatial

[0035] It is also to be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0036] The preferred embodiments of the present application have been described above with the intent to enable those skilled in the art to make and use it. Various modifications to these embodiments will occur to those skilled in the art and are intended to be encompassed by the description. The structures and devices disclosed herein are to be considered in all respects as illustrative and not restrictive. Accordingly, the scope of the application is indicated by the appended claims rather than by the description. What is claimed is:

Claims

1. A parallel flow heat exchanger of double row flat tubes comprising a base (1), characterized in that, The inner wall of the base (1) is fixedly connected with two guide rods (2), both of which are sleeved with the same mounting seat (3), which is slidingly connected with the guide rod (2) and the base (1), and the top of the mounting seat (3) is provided with two housings (4), which are matched with the embedding grooves on the mounting seat (3), both ends of the top of the mounting seat (3) are fixedly connected with two first supporting rods (5), and the first supporting rod (5) is provided with a second supporting rod (6) on the side close to the housing (4), the top of the first supporting rod (5) is fixedly connected with a first fixed ring (24), and the top of the second supporting rod (6) is fixedly connected with a second fixed ring (25), both sides of the housing (4) are respectively provided with a first water inlet pipe (7), a second water inlet pipe (8), a first connecting pipe (9), a second connecting pipe (10), a third connecting pipe (12), a fourth connecting pipe (13), a first water outlet pipe (14) and a second water outlet pipe (15), the first water inlet pipe (7), the second water inlet pipe (8), the first water outlet pipe (14) and the second water outlet pipe (15) are fixedly connected with the first fixed ring (24), and the first connecting pipe (9), the second connecting pipe (10), the third connecting pipe (12) and the fourth connecting pipe (13) are fixedly connected with the second fixed ring (25), both ends of the top of the base (1) are fixedly connected with slide rails (11), the second supporting rod (6) is arranged in the slide rail (11), and the second supporting rod (6) is slidingly connected with the slide rail (11), the pipe body of the first water inlet pipe (7), the second water inlet pipe (8), the first water outlet pipe (14) and the second water outlet pipe (15) is a hose, the pipe body of the first connecting pipe (9), the second connecting pipe (10), the third connecting pipe (12) and the fourth connecting pipe (13) is a telescopic hose, the second connecting pipe (10) is fixedly connected with the housing (4), the first water inlet pipe (7), the second water inlet pipe (8), the first water outlet pipe (14) and the second water outlet pipe (15) are provided with sealing grooves (21) on the side close to the housing (4), the sealing grooves (21) are provided with sealing rings (22), and the first connecting pipe (9), the second connecting pipe (10), the third connecting pipe (12) and the fourth connecting pipe (13) are fixedly connected with sealing rings (23) on the side away from the housing (4), and the sealing ring (23) is matched with the sealing ring (22).

2. The parallel flow heat exchanger of the double row flat tube according to claim 1, wherein The bottom of the second supporting rod (6) is fixedly connected with a sliding block (16), four slide grooves (17) are formed in the mounting seat (3), the slide groove (17) is matched with the sliding block (16), the sliding block (16) is arranged in the slide groove (17), and the sliding block (16) is slidingly connected with the mounting seat (3). Both sides of the mounting seat (3) are fixedly connected with handles (20).

3. The parallel flow heat exchanger of claim 1, wherein, The inside of the housing (4) is provided with a plurality of heat exchange pipes (18), both ends of the heat exchange pipe (18) are sleeved with a fixed plate (26), and the heat exchange pipe (18) is fixedly connected with the fixed plate (26).

4. The parallel flow heat exchanger of the double row flat tube according to claim 3, wherein The fixing plate (26) is fixed on the inner wall of the shell (4) by bolts, and the two fixing plates (26) are centrally symmetrically arranged.

5. The parallel flow heat exchanger of claim 4, wherein, The two sides of the shell (4) are fixed with sealing doors (19) by bolts, the sealing doors (19) are fixedly connected with the first connecting pipe (9), the third connecting pipe (12) and the fourth connecting pipe (13), the fixing plate (26) close to the fourth connecting pipe (13) is sleeved on the fourth connecting pipe (13), and the fourth connecting pipe (13) is fixedly connected with the fixing plate (26).

6. The parallel flow heat exchanger of the double row flat tube according to claim 5, wherein The space between the fixing plate (26) and the shell (4) and the sealing door (19) is formed with a first cabin (2601) and a second cabin (2602).

7. The parallel flow heat exchanger of double row flat tubes according to claim 6, characterized in that, The first cabin (2601) communicates with the first connecting pipe (9) and the third connecting pipe (12).

Citation Information

Patent Citations

  • Parallel flow heat exchanger with double rows of flat pipes

    CN221611890U