A quick-heating water tank for a direct-heating heat pump water heater

Abstract

The invention discloses a quick-heating water tank for a direct-heating heat pump water heater, comprising a tank body, a heat exchange tube is arranged on the inner side of the tank body, a tank body is arranged on the inner side of the tank body, a heat insulation cotton is arranged between the tank body and the tank body, a descaling mechanism is arranged on the upper part of the inner cavity of the tank body, a driving mechanism is arranged on the upper part of the tank body, an isolation net bucket is arranged on the bottom of the inner side of the tank body, and a descaling mechanism is arranged on the bottom of the isolation net bucket. The invention relates to the technical field of water heating. The quick-heating water tank for a direct-heating heat pump water heater is provided with a heat exchange tube with a vortex structure, so that the pipe of the heat exchange tube is extended, thereby increasing the contact area between the water and the heat exchange tube, so that the water in the water tank is quickly heated, the longitudinal rod is driven to rotate by a driving motor, the pulling block lifts the longitudinal rod, and the longitudinal rod starts to rotate along the adjusting groove, and at the same time, the scraper head scrapes the scale on the surface of the heat exchange tube, thereby preventing the heat exchange tube from scaling, thereby affecting the heating efficiency of the equipment.

Description

Technical Field

[0001] The invention relates to the technical field of water heating, in particular to a quick-heating water tank for a direct-heating heat pump water heater. Background Art

[0002] The air source heat pump water heater absorbs low-temperature heat from the air, vaporizes it through a fluorine medium, then compresses it through a compressor to increase the pressure and temperature, and then converts it through a heat exchanger to heat the water. The compressed high-temperature heat energy is used to heat the water.

[0003] A Chinese invention patent with publication number CN110906553A discloses a fast-heating water tank for an air-source heat pump water heater. The patent arranges a structural plate for separating different area sizes inside the water tank body, combines heat exchange tubes and takes advantage of the characteristics of hot water rising due to local water temperature increase, and heats a smaller area inside the regional water tank body. The water temperature in the local area inside the water tank body can be quickly increased, and hot water can be quickly obtained at the water outlet. In this way, when the user is in urgent need of hot water, the water tank body can provide hot water in an organized manner.

[0004] However, since the water quality in different regions is different, when the heat exchange tube directly heats the water inside the water tank, areas with poor water quality are prone to scaling on the outside of the heat exchange tube, affecting the heating efficiency of the equipment, and then causing the heat exchanger to be unable to heat the water quickly, resulting in a poor water experience for users. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a quick-heating water tank for a direct-heated heat pump water heater, which solves the problem that when the heat exchange tube directly heats the water inside the water tank, scaling is easily formed on the outside of the heat exchange tube, affecting the heating efficiency of the equipment, and further causing the heat exchanger to be unable to heat the water quickly, resulting in a poor water experience for users.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A quick-heating water tank for a direct-heating heat pump water heater comprises a tank body, and a heat exchange tube is arranged on the inner side of the tank body;

[0007] A bladder body is provided inside the box body, and a heat exchange pipe is provided inside the bladder body, and a heat insulation cotton is provided between the bladder body and the box body;

[0008] A descaling mechanism is provided in the upper part of the inner cavity of the box body, and the descaling mechanism is used to clean the scale on the surface of the heat exchange tube;

[0009] The upper part of the box body is provided with a driving mechanism, which is used to drive the descaling mechanism to perform scale cleaning work;

[0010] An isolation net bucket is provided at the bottom of the inner side of the tank body, and a scale removal mechanism is provided at the bottom of the isolation net bucket, and the scale removal mechanism is used to remove scale inside the tank body.

[0011] Preferably, the box body is a cylindrical shell structure with a hollow interior;

[0012] The heat exchange tube is formed by winding a whole copper tube into multiple groups of vortex structures, and the multiple groups of heat exchange tubes with vortex structures are arranged in sequence from top to bottom.

[0013] Preferably, the descaling mechanism comprises a fixed plate, a pull plate and a longitudinal rod;

[0014] The pull plate is arranged above the fixed plate, the fixed plate is fixedly connected to the box body, and the pull plate is rotatably connected to the fixed plate;

[0015] The longitudinal rod passes through the gap of the heat exchange tube, and a plurality of scraping heads are arranged on the surface of the longitudinal rod, and the scraping heads are in contact with the side wall of the heat exchange tube.

[0016] Preferably, an adjusting groove is provided on the surface of the fixed plate, and the adjusting groove is a vortex structure, and the shape of the adjusting groove is the same as the shape of the gap between the heat exchange tubes;

[0017] A pull groove is provided on the surface of the pull plate, the longitudinal rod passes through the pull groove and the adjustment channel, a pull block is fixedly connected to the upper part of the longitudinal rod, and the pull block contacts the upper surface of the pull plate.

[0018] Preferably, the driving mechanism comprises a driving motor and a driving rod;

[0019] The drive motor is fixedly connected to the upper part of the box, and the output end of the drive motor passes through the inner side of the box and is fixedly connected to the upper part of the drive rod;

[0020] A driving slide groove is provided on the bottom side of the driving rod, and a driving slider matched with the driving slide groove is fixedly connected to the upper end of the fixed plate, and the driving slider is slidably connected to the driving slide groove.

[0021] Preferably, the scale removal mechanism comprises a scale removal transmission plate, a scraper and a scale removal cylinder;

[0022] One end of the descaling transmission plate is rotatably connected to the bottom of the inner side of the gallbladder body through a bearing ring, a descaling chute is provided on the surface of the descaling transmission plate, a descaling slider matched with the descaling chute is fixedly connected to the bottom end of the fixed plate, and the descaling slider is slidably connected to the descaling chute.

[0023] Preferably, one end of the scraper is fixedly connected to one end of the descaling transmission plate, and the scraper is tilted, the tilt angle of the scraper is consistent with the tilt angle of the bottom of the isolation net bucket, and the scraper is in contact with the bottom of the inner side of the isolation net bucket;

[0024] The descaling cylinder is communicated with the bottom of the isolation net bucket, and the lower part of the descaling cylinder penetrates the box body and extends to the outside of the box body. The bottom end of the descaling cylinder is provided with a descaling valve.

[0025] Preferably, the upper part of one side of the box body is connected to a water inlet pipe, and the lower part of one side of the box body is connected to a water outlet pipe;

[0026] The inner side of the box body is divided into a water injection chamber and a heating chamber by a fixing plate;

[0027] A water distribution cylinder is provided inside the water injection cavity, and a water outlet is provided on the bottom side of the water distribution cylinder;

[0028] One end of the water inlet pipe extends to the water injection cavity.

[0029] Beneficial Effects

[0030] The present invention provides a quick-heating water tank for a direct-heating heat pump water heater. Compared with the prior art, it has the following beneficial effects:

[0031] By providing a heat exchange tube with a vortex structure, the heat exchange tube is extended, thereby increasing the contact area between water and the heat exchange tube, so that the water in the water tank is quickly heated;

[0032] The driving motor drives the longitudinal rod to rotate, and the pull block pulls the longitudinal rod, and the longitudinal rod starts to rotate along the adjustment groove. At the same time, the scraper scrapes the scale on the surface of the heat exchange tube, thereby preventing the heat exchange tube from scaling, which in turn affects the heating efficiency of the equipment.

[0033] The scale removal transmission plate is driven to rotate by the longitudinal rod, and the scale removal slider slides with the scale removal chute, and then the scraper scrapes the scale inside the isolation net bucket to the scale removal cylinder, and is discharged through the scale removal cylinder. The structure is simple and the scale cleaning is convenient;

[0034] By providing thermal insulation cotton between the tank body and the box body, heat loss can be avoided and the speed of preparing warm water can be further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a structural cross-sectional view of the present invention;

[0036] Figure 2 It is a structural stereogram of the driving mechanism of the present invention;

[0037] Figure 3 It is a structural stereogram of the pull plate of the present invention;

[0038] Figure 4 It is a structural stereogram of the scale removal mechanism of the present invention;

[0039] Figure 5 It is a structural stereogram of the present invention.

[0040] In the figure: 1. box body; 11. water injection chamber; 12. heating chamber; 111. water inlet pipe; 112. water outlet pipe; 2. heat exchange tube; 3. gallbladder; 31. thermal insulation cotton; 41. fixed plate; 411. adjustment channel; 42. pull plate; 421. pull groove; 43. longitudinal rod; 431. scraper head; 432. pull block; 433. drive slider; 434. descaling slider; 51. drive motor; 52. drive rod; 521. drive chute; 6. isolation net bucket; 71. descaling transmission plate; 711. descaling chute; 72. scraper; 73. descaling cylinder; 8. water distribution cylinder; 81. water outlet. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] See also Figure 1-Figure 5The present invention provides a technical solution: a quick-heating water tank for a direct-heating heat pump water heater, comprising a tank body 1, a heat exchange tube 2 is arranged on the inner side of the tank body 1, the tank body 1 is a cylindrical shell structure with a hollow interior, the heat exchange tube 2 is formed by winding a whole copper tube into multiple groups of vortex structures, and the multiple groups of heat exchange tubes 2 with vortex structures are arranged in sequence from top to bottom, and the heat exchange tube 2 with the vortex structure is provided to extend the pipe of the heat exchange tube 2, thereby increasing the contact area between the water and the heat exchange tube 2, so that the water in the water tank is quickly heated, a gallbladder 3 is provided on the inner side of the tank body 1, and the heat exchange tube 2 is provided on the inner side of the gallbladder 3, and a heat insulation cotton 31 is provided between the gallbladder 3 and the tank body 1, and the heat insulation cotton 31 is provided between the gallbladder 3 and the tank body 1 to avoid heat loss and further improve the preparation speed of warm water, the tank body 1 A driving mechanism is provided at the upper part of the casing 1, and the driving mechanism is used to drive the descaling mechanism to clean the scale. The driving mechanism includes a driving motor 51 and a driving rod 52. The driving motor 51 is a two-phase stepping motor of model EZD552+, which can realize reciprocating motion, and the speed of motion can be adjusted by a potentiometer, and the interval time can also be set by a potentiometer. The driving motor 51 is fixedly connected to the upper part of the casing 1, and the output end of the driving motor 51 passes through the inner side of the casing 1 and is fixedly connected to the upper part of the driving rod 52. A driving chute 521 is provided on the bottom side of the driving rod 52. A descaling mechanism is provided at the upper part of the inner cavity of the casing 1, and the descaling mechanism is used to clean the scale on the surface of the heat exchange tube 2. The descaling mechanism includes a fixed plate 41, a pull plate 42 and a longitudinal rod 43. The pull plate 4 2 is arranged above the fixed plate 41, the fixed plate 41 is fixedly connected to the box body 1, and the pull plate 42 is rotatably connected to the fixed plate 41, the upper part of one side of the box body 1 is connected with a water inlet pipe 111, and the lower part of one side of the box body 1 is connected with a water outlet pipe 112. The inner side of the box body 1 is divided into a water injection chamber 11 and a heating chamber 12 through the fixed plate 41. A water dividing cylinder 8 is arranged inside the water injection chamber 11, and a water outlet 81 is opened on the bottom side of the water dividing cylinder 8. One end of the water inlet pipe 111 extends to the water injection chamber 11. By setting the water dividing cylinder 8, the impact force of the water flow can be dispersed when the equipment is inlet, so that the water body flows evenly to the inner side of the box body 1 through the water outlet 81, avoiding the water body impacting the regulating groove 411, which causes the limit position of the regulating groove 411 to deform. The longitudinal rod 43 penetrates the heat exchange tube 2. At the gap, the surface of the longitudinal rod 43 is provided with multiple groups of scrapers 431, and the scrapers 431 are in contact with the side wall of the heat exchange tube 2. The upper end of the fixed plate 41 is fixedly connected with a driving slider 433 adapted to the driving slide groove 521, and the driving slider 433 is slidably connected with the driving slide groove 521. The surface of the fixed plate 41 is provided with an adjustment groove 411, and the adjustment groove 411 is a vortex structure, and the shape of the adjustment groove 411 is the same as the shape at the gap of the heat exchange tube 2, so that the rotation trajectory of the longitudinal rod 43 is the same as the trajectory at the gap of the heat exchange tube 2, so as to avoid the longitudinal rod 43 from causing extrusion and damage to the heat exchange tube 2. The surface of the pull plate 42 is provided with a pull groove 421, and the longitudinal rod 43 passes through the pull groove 421 and the adjustment groove 411. The upper part of the longitudinal rod 43 is fixedly connected with a pull block 432.The pull block 432 is in contact with the upper surface of the pull plate 42. By setting the pull plate 42, and rotating the pull plate 42 and the fixed plate 41, when the longitudinal rod 43 and the pull groove 421 slide, the pull block 432 presses against the upper part of the pull plate 42, and then the longitudinal rod 43 is lifted to prevent the longitudinal rod 43 from being too heavy, thereby adjusting the deformation of the limit position of the groove 411, and further preventing the heat exchange tube 2 from being deformed by the pressure of the longitudinal rod 43. The longitudinal rod 43 is driven to rotate by the driving motor 51, and the pull block 432 lifts the longitudinal rod 43 The longitudinal rod 43 starts to rotate along the adjustment groove 411, and the scraper head 431 scrapes the scale on the surface of the heat exchange tube 2, thereby preventing the heat exchange tube 2 from being scaled and affecting the heating efficiency of the equipment. The bottom of the inner side of the tank 3 is provided with an isolation net 6, and the bottom of the isolation net 6 is provided with a descaling mechanism. The descaling mechanism is used to remove the scale inside the box 1. By setting the isolation net 6, the scale content in the output water body is reduced, further ensuring the health of the user. The descaling mechanism includes a descaling transmission plate 71, a scraper 7 2 and the descaling cylinder 73, one end of the descaling transmission plate 71 is rotatably connected to the bottom of the inner side of the gallbladder body 3 through the bearing ring, the surface of the descaling transmission plate 71 is provided with a descaling chute 711, the bottom end of the fixed plate 41 is fixedly connected with a descaling slider 434 adapted to the descaling chute 711, and the descaling slider 434 is slidably connected to the descaling chute 711, one end of the scraper 72 is fixedly connected to one end of the descaling transmission plate 71, and the scraper 72 is inclined, and the inclination angle of the scraper 72 is the same as the inclination angle of the bottom of the isolation net bucket 6 The scale removal cylinder 73 is connected to the bottom of the isolation net bucket 6, and the lower part of the scale removal cylinder 73 penetrates the box body 1 and extends to the outside of the box body 1. The bottom end of the scale removal cylinder 73 is provided with a scale removal valve. The scale removal transmission plate 71 is driven to rotate by the longitudinal rod 43, and the scale removal slider 434 slides with the scale removal chute 711, so that the scraper 72 scrapes the scale inside the isolation net bucket 6 to the scale removal cylinder 73, and discharges it through the scale removal cylinder 73. The structure is simple and convenient for cleaning scale.

[0043] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0044] When in use, water is injected into the water injection chamber 11 through the water inlet pipe 111, and then the water is blocked by the water dividing cylinder 8 and flows to the inner side of the heating chamber 12 through the water outlet 81. Then the heat exchange tube 2 heats the water, and the heat exchange tube 2 is in a vortex structure, so that the pipe of the heat exchange tube 2 is extended, thereby increasing the contact area between the water and the heat exchange tube 2, so that the water in the water tank is quickly heated. During the heating process of the water body, scale flocs will be generated. When using water, the heated water is discharged through the water outlet pipe 112, and at the same time, the isolation net bucket 6 isolates the scale flocs, so that clean water without scale is discharged;

[0045] When cleaning scale, it is not necessary to release all the water in the equipment. Then the driving motor 51 drives the driving rod 52 to rotate, and then the longitudinal rod 43 slides with the driving slide groove 521 through the driving slider 433, and the pulling block 432 contacts the pulling plate 42, and then the longitudinal rod 43 is pulled, and the adjusting groove 411 limits the longitudinal rod 43, so that the longitudinal rod 43 starts to rotate along the adjusting groove 411, and at the same time, the scraper head 431 scrapes the scale on the surface of the heat exchange tube 2;

[0046] Open the scale discharge valve at the scale discharge cylinder 73, and the water in the equipment is discharged through the scale discharge cylinder 73. At the same time, the water is accompanied by scale flocs scraped off by the scraper head 431. At the same time, the longitudinal rod 43 drives the scale discharge transmission plate 71 to rotate, and the scale discharge slider 434 slides with the scale discharge chute 711, and then the scraper 72 scrapes the scale inside the isolation net bucket 6 to the scale discharge cylinder 73 and discharges it through the scale discharge cylinder 73.

[0047] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A quick-heating water tank for a direct-heating heat pump water heater, comprising a tank body (1), characterized in that: A heat exchange tube (2) is provided on the inner side of the box body (1); the box body (1) is a cylindrical shell structure with a hollow interior; the heat exchange tube (2) is formed by winding a whole copper tube into a plurality of groups of vortex structures, and the plurality of groups of heat exchange tubes (2) with vortex structures are arranged in sequence from top to bottom; A bladder body (3) is provided on the inner side of the box body (1), and a heat exchange tube (2) is provided on the inner side of the bladder body (3), and a heat insulation cotton (31) is provided between the bladder body (3) and the box body (1); A descaling mechanism is provided at the upper part of the inner cavity of the box body (1), and is used to clean scale on the surface of the heat exchange tube (2); the descaling mechanism comprises a fixed plate (41), a pull plate (42) and a longitudinal rod (43); the pull plate (42) is provided above the fixed plate (41), the fixed plate (41) is fixedly connected to the box body (1), and the pull plate (42) is rotatably connected to the fixed plate (41); the longitudinal rod (43) passes through the gap of the heat exchange tube (2), and a plurality of scraping heads (431) are provided on the surface of the longitudinal rod (43), and the scraping heads (431) are 1) in contact with the side wall of the heat exchange tube (2); an adjusting groove (411) is provided on the surface of the fixed plate (41), and the adjusting groove (411) is a vortex structure, and the shape of the adjusting groove (411) is the same as the shape of the gap of the heat exchange tube (2); a drawing groove (421) is provided on the surface of the pulling plate (42), the longitudinal rod (43) penetrates the drawing groove (421) and the adjusting groove (411), a pulling block (432) is fixedly connected to the upper part of the longitudinal rod (43), and the pulling block (432) is in contact with the upper surface of the pulling plate (42); The upper part of the box body (1) is provided with a driving mechanism, which is used to drive the descaling mechanism to perform scale cleaning work; An isolation net bucket (6) is provided at the bottom of the inner side of the tank body (3), and a scale removal mechanism is provided at the bottom of the isolation net bucket (6), the scale removal mechanism being used to remove scale inside the box body (1).

2. The instant hot water tank for a direct-heating heat pump water heater according to claim 1, characterized in that: The driving mechanism comprises a driving motor (51) and a driving rod (52); The drive motor (51) is fixedly connected to the upper part of the box (1), and the output end of the drive motor (51) passes through the inner side of the box (1) and is fixedly connected to the upper part of the drive rod (52); A driving slide groove (521) is provided on the bottom side of the driving rod (52), a driving slider (433) adapted to the driving slide groove (521) is fixedly connected to the upper end of the fixed plate (41), and the driving slider (433) is slidably connected to the driving slide groove (521).

3. The instant hot water tank for a direct-heating heat pump water heater according to claim 1, characterized in that: The scale removal mechanism comprises a scale removal transmission plate (71), a scraper (72) and a scale removal cylinder (73); One end of the descaling transmission plate (71) is rotatably connected to the bottom of the inner side of the gallbladder body (3) via a bearing ring; a descaling chute (711) is provided on the surface of the descaling transmission plate (71); a descaling slider (434) adapted to the descaling chute (711) is fixedly connected to the bottom end of the fixed plate (41); and the descaling slider (434) is slidably connected to the descaling chute (711).

4. The instant hot water tank for a direct-heating heat pump water heater according to claim 3, characterized in that: One end of the scraper (72) is fixedly connected to one end of the dirt removal transmission plate (71), and the scraper (72) is arranged at an angle, the angle of inclination of the scraper (72) is consistent with the angle of inclination of the bottom of the isolation net bucket (6), and the scraper (72) is in contact with the bottom of the inner side of the isolation net bucket (6); The scale discharge cylinder (73) is in communication with the bottom of the isolation net bucket (6), and the lower part of the scale discharge cylinder (73) penetrates the box body (1) and extends to the outside of the box body (1), and a scale discharge valve is provided at the bottom end of the scale discharge cylinder (73).

5. The instant hot water tank for a direct-heating heat pump water heater according to claim 1, characterized in that: The upper portion of one side of the box body (1) is connected to a water inlet pipe (111), and the lower portion of one side of the box body (1) is connected to a water outlet pipe (112); The inner side of the box body (1) is divided into a water injection chamber (11) and a heating chamber (12) by a fixing plate (41); A water distribution cylinder (8) is provided inside the water injection cavity (11), and a water outlet (81) is provided on the bottom side of the water distribution cylinder (8); One end of the water inlet pipe (111) extends to the water injection chamber (11).

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