CN210093595U - Split type cast aluminum electric heater - Google Patents
Split type cast aluminum electric heater Download PDFInfo
- Publication number
- CN210093595U CN210093595U CN201920283303.7U CN201920283303U CN210093595U CN 210093595 U CN210093595 U CN 210093595U CN 201920283303 U CN201920283303 U CN 201920283303U CN 210093595 U CN210093595 U CN 210093595U
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- cast aluminum
- gland
- heat exchange
- water
- aluminum heat
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Abstract
The utility model provides a split type cast aluminum electric heater, which particularly comprises an upper gland, a cast aluminum heat exchange body, a lower gland and an electric heating tube; the front surface and the back surface of the cast aluminum heat exchange body are provided with an annular flange part and a water passing groove, and the inner side of the annular flange part is provided with water passing holes; the cast aluminum heat exchange body is provided with a water inlet and a water outlet which are communicated with the same water passing groove or are respectively communicated with 1 water passing groove; the back of the upper gland is provided with an upper gland waterway isolation strip part; the back of the side part of the lower pressing cover is provided with a lower cover waterway isolation strip part; the limit part bolt is connected upper gland, cast aluminium heat exchanger and gland alignment down, and upper cover water route isolation bar portion and lower cover water route isolation bar portion butt respectively cross the tank bottom surface of water recess and form the heat transfer water cavity through water hole intercommunication, and water inlet and delivery port are connected respectively in the heat transfer water cavity. The utility model discloses in the cast aluminium heat exchanger is located to well heat transfer water cavity, realize water and cast aluminium heat exchanger direct contact, have simple structure, easily make and characteristics that heat exchange efficiency is high.
Description
Technical Field
The utility model relates to an electric heater, especially an electric heater for electric water heater.
Background
The existing electric water heater cast aluminum electric heater usually comprises a cast aluminum heat exchanger, a heating tube and a heat exchange tube, wherein the heating tube is arranged in the cast aluminum heat exchanger, an electric wiring end of the heating tube penetrates out of the cast aluminum heat exchanger, the middle part of the heat exchange tube is arranged in the cast aluminum heat exchanger and is coiled outside the heating tube, two ends of the heat exchange tube penetrate out of the cast aluminum heat exchanger and are respectively provided with a water inlet joint and a water outlet joint, the heat exchange tube absorbs heat generated by the heating tube through the cast aluminum heat exchanger, the heat exchange tube is in overall and close contact with the cast aluminum heat exchanger to effectively ensure heat exchange efficiency, but is limited by an aluminum casting process, bubbles are inevitably present between the heat exchange tube and the cast aluminum heat exchanger to influence heat exchange efficiency, and therefore improvement.
Disclosure of Invention
The utility model aims at providing a split type cast aluminum electric heater has simple structure, easily makes and the high characteristics of heat exchange efficiency.
The utility model discloses a following technical scheme of purpose accessible realizes:
a split cast-aluminum electric heater comprises an upper gland, a cast-aluminum heat exchange body, a lower gland and at least 1 electric heating tube.
The aluminum casting heat exchange body is of a rectangular block structure, the front side portion and the back side portion of the aluminum casting heat exchange body are respectively provided with a raised annular edge blocking portion, the inner sides of the front side and the back side of the aluminum casting heat exchange body, which are located on the annular edge blocking portions, are provided with water passing grooves, 1 or more water passing holes are formed in the inner sides of the aluminum casting heat exchange body, which are located on the annular edge blocking portions, and the water passing holes communicate 2 water passing grooves of the front side and the back side of the aluminum casting heat exchange body.
The cast aluminum heat exchanger is provided with a water inlet and a water outlet, the water inlet and the water outlet are connected with one water passing groove or are respectively connected with 1 water passing groove, a water inlet joint is arranged outside the water inlet, a water outlet joint is arranged outside the water outlet, and a plurality of heat exchanger side holes which are vertically arranged are formed around the cast aluminum heat exchanger.
The electric heating tube comprises an electric heating tube main body, and a positive electrode connector and a negative electrode connector which are arranged at two ends of the electric heating tube main body, and the electric heating tube main body is embedded in the cast aluminum heat exchanger.
The upper gland is of a rectangular plate-shaped structure, the edge part of the upper gland is provided with a plurality of vertically arranged upper gland edge holes, the back surface of the upper gland is provided with 1 or a plurality of raised upper gland water channel isolating bar parts, and the upper gland water channel isolating bar parts are arranged in a winding mode.
The lower gland is of a rectangular plate-shaped structure, the edge part of the lower gland is provided with a plurality of vertically arranged lower gland edge holes, the back surface of the lower gland is provided with 1 or a plurality of raised lower gland water channel isolating bar parts, and the lower gland water channel isolating bar parts are arranged in a winding mode.
An edge bolt penetrates through an upper cover edge hole of the upper gland, a heat exchange body edge hole of the cast aluminum heat exchange body and a lower cover edge hole of the lower gland, the upper gland, the cast aluminum heat exchange body and the lower gland are sequentially connected in an aligned mode, and sealing gaskets are respectively arranged between the annular edge blocking portions on the front face and the back face of the cast aluminum heat exchange body and the upper gland and the lower gland; the upper cover water path isolation bar part of the upper pressing cover is abutted to the groove bottom surface of the water passing groove in the front surface of the cast aluminum heat exchanger, the lower cover water path isolation bar part of the lower pressing cover is abutted to the groove bottom surface of the water passing groove in the back surface of the cast aluminum heat exchanger, the upper pressing cover is combined with the cast aluminum heat exchanger through the upper cover water path isolation bar part and the lower pressing cover through the lower cover water path isolation bar part to form a heat exchange water cavity communicated through water passing holes, and the heat exchange water cavity is respectively connected with the water inlet and the water outlet.
According to the optimized scheme, the utility model discloses in the side of going up the upper cover water route division of keeping apart of upper cover water route of gland and the lower cover water route division of keeping apart of lower gland is the inclined plane.
Further optimize the scheme, in the utility model discloses in cast aluminium heat transfer body cross the protruding muscle of heat dissipation that has in the water recess and arrange along heat transfer water cavity.
Still further optimize the scheme, the utility model discloses near the limit portion of upper gland has bellied upper gland annular bar portion, and near limit portion of lower gland has bellied lower gland annular bar portion, have the clearance between the annular bar portion of upper gland annular bar portion and cast aluminium heat transfer body and between the annular bar portion of lower gland annular bar portion and the cast aluminium heat transfer body, seal ring extends to in the clearance.
Still further optimize the scheme, in the utility model discloses in have annular slot on the annular flange portion of the cast aluminium heat exchanger body, seal ring has the annular inserted sheet portion of card in annular slot.
Further optimize the scheme, in the utility model discloses in the middle part of going up the gland has the upper cover mesopore of vertical setting, and the middle part of the heat exchanger body of cast aluminium has the heat exchanger body mesopore of vertical setting, and the middle part of lower gland has the lower cover mesopore of vertical setting, and the middle part bolt passes the upper cover mesopore of gland, the heat exchanger body mesopore of the heat exchanger body of cast aluminium and the lower cover mesopore of lower gland, will go up gland, the heat exchanger body of cast aluminium and lower gland fastening connection.
The utility model discloses when using, the electrothermal tube circular telegram adds the electrical heating, and cold water flows along the heat transfer water cavity in getting into the water passing recess of the cast aluminum heat transfer body by the water supply connector of the cast aluminum heat transfer body, flows by the play water head of the cast aluminum heat transfer body, realizes the water heat transfer, outputs hot water. The utility model discloses in, the water inlet of the cast aluminium heat transfer body and delivery port are connected when same water recess, can set up 2 or more than 2 water holes of crossing, and the rivers route of heat transfer water cavity is deuterogamied to realize that the water homoenergetic in the heat transfer water cavity everywhere in the cast aluminium heat transfer body flows as the purpose, reach good heat transfer effect. When the water inlet and the water outlet of the cast aluminum heat exchange body are respectively connected with 1 water passing groove, the connection of 2 heat exchange water cavities in the water passing grooves of the cast aluminum heat exchange body can be realized by arranging 1 water passing hole.
The utility model has the following substantive characteristics and progress.
1. The utility model discloses a cast aluminium electric heater adopts split type equipment to constitute by last gland, cast aluminium heat transfer body and lower gland, and the water passageway that flows-the heat transfer water cavity is located cast aluminium heat transfer internally, realizes water and cast aluminium heat transfer body direct contact, has easily to make and the high characteristics of heat exchange efficiency.
2. The utility model discloses the side of well upper cover water route division bar and the division bar is kept apart in the lower cover water route that forms the heat transfer water cavity further is the inclined plane, plays dispersed water pressure, stabilizes the water velocity of flow, reduces the effect that the water surges.
3. The utility model discloses protruding muscle on the well cast aluminium heat transfer body has the effect that increases heat transfer area, improves heat exchange efficiency.
4. The utility model provides a seal ring has simple structure, easily installation and sealed effectual characteristics.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 and 4 are schematic diagrams of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Examples
Referring to fig. 1 to 4, a split cast aluminum electric heater includes an upper gland 1, a cast aluminum heat exchanger 2, a lower gland 3 and 3 electric heating tubes 4.
The cast aluminum heat exchanger body 2 is rectangular block-shaped structure, and the front edge portion and the back edge portion of the cast aluminum heat exchanger body 2 have bellied annular edge portion 21 respectively, annular slot has on the annular edge portion 21, and the front and the back of the cast aluminum heat exchanger body 2 are located the inboard of annular edge portion 21 and are crossed water groove 22, and the inboard that lies in annular edge portion 21 on the cast aluminum heat exchanger body 2 has 1 water hole 23 of crossing, cross water hole 23 and cross water groove 22 intercommunication with 2 of the front of the cast aluminum heat exchanger body 2 and the back.
The cast aluminum heat exchanger 2 is provided with a water inlet and a water outlet, the water inlet is connected with a water passing groove 22 on the front side of the cast aluminum heat exchanger 2, the water outlet is connected with a water passing groove 22 on the back side of the cast aluminum heat exchanger 2, a water inlet joint 5 is arranged outside the water inlet, a water outlet joint 6 is arranged outside the water outlet, a plurality of heat exchanger side holes 24 which are vertically arranged are arranged around the cast aluminum heat exchanger 2, and a heat exchanger middle hole 26 which is vertically arranged is arranged in the middle of the cast aluminum heat exchanger.
The electric heating tube 4 comprises an electric heating tube main body, a positive electrode connector 41 and a negative electrode connector 42 which are arranged at two ends of the electric heating tube main body, and the electric heating tube main body is embedded in the cast aluminum heat exchange body 2.
With reference to fig. 2 and 3, the upper gland 1 is of a rectangular plate-shaped structure, the edge of the upper gland 1 is provided with a plurality of vertically arranged upper gland side holes 14, the middle of the upper gland is provided with a vertically arranged upper gland middle hole 16, the back of the upper gland 1 is provided with a plurality of raised upper gland waterway isolation strip portions 11, the upper gland waterway isolation strip portions 11 are arranged in a winding manner, and the side surfaces of the upper gland waterway isolation strip portions 11 are inclined planes.
With reference to fig. 2 and 4, the lower cover 3 is a rectangular plate-shaped structure, the edge of the lower cover 3 has a plurality of vertically arranged lower cover edge holes 34, the middle of the lower cover has a vertically arranged lower cover middle hole 36, the back of the lower cover 3 has a plurality of raised lower cover waterway isolation strip portions 31, the lower cover waterway isolation strip portions 31 are arranged in a winding manner, and the side surfaces of the lower cover waterway isolation strip portions 31 are inclined planes.
The middle bolt 9 passes through the upper cover middle hole 16 of the upper gland 1, the heat exchange body middle hole 26 of the cast aluminum heat exchange body 2 and the lower cover middle hole 36 of the lower gland 3, and the edge bolt 7 passes through the upper cover edge hole 14 of the upper gland 1, the heat exchange body edge hole 24 of the cast aluminum heat exchange body 2 and the lower cover edge hole 34 of the lower gland 3, so that the upper gland 1, the cast aluminum heat exchange body 2 and the lower gland 3 are sequentially connected in an aligned manner.
Referring to fig. 2 in particular, sealing gaskets 8 are respectively arranged between the annular edge retaining portions 21 on the front and back surfaces of the cast aluminum heat exchanger 2 and the upper gland 1 and the lower gland 3; the upper gland 1 is also provided with a raised upper cover annular strip portion 12 near the edge portion, the lower gland 3 is also provided with a raised lower cover annular strip portion 32 near the edge portion, gaps are formed between the upper cover annular strip portion 12 and the annular flange portion 21 of the cast aluminum heat exchanger 2 and between the lower cover annular strip portion 32 and the annular flange portion 21 of the cast aluminum heat exchanger 2, one end of the sealing gasket 8 extends into the gap, and the other end of the sealing gasket is provided with an annular insertion piece portion 81 clamped in the annular insertion groove of the annular flange portion 21.
Referring to fig. 2 specifically, an upper cover waterway isolation bar portion 11 of the upper gland 1 abuts against the groove bottom surface of a water passing groove 22 on the front surface of the cast aluminum heat exchanger 2, a lower cover waterway isolation bar portion 31 of the lower gland 3 abuts against the groove bottom surface of the water passing groove 22 on the back surface of the cast aluminum heat exchanger 2, the upper gland 1 is combined with the cast aluminum heat exchanger 2 through the upper cover waterway isolation bar portion 11 and the lower gland 3 through the lower cover waterway isolation bar portion 31 to form a heat exchange water cavity 20 communicated through a water passing hole 23, a heat dissipation convex rib 25 arranged along the heat exchange water cavity 20 is arranged in the water passing groove 22 of the cast aluminum heat exchanger 2, and the heat exchange water cavity 20 is connected through the water inlet by the water passing groove 22 on the front surface of the cast aluminum heat exchanger 2 and is connected through the water outlet by the water passing groove 22 on.
When the cast aluminum electric heater of the embodiment is used, the electric heating tube 4 is electrically heated, cold water enters the water passing groove 22 in the front of the cast aluminum heat exchanger 2 from the water inlet connector 5 of the cast aluminum heat exchanger 2, flows along the heat exchange water cavity 20 in the water passing groove 22 in the front of the cast aluminum heat exchanger 2, enters the water passing groove 22 in the back of the cast aluminum heat exchanger 2 through the water passing hole 23, continues to flow along the heat exchange water cavity 20 in the water passing groove 22 in the back of the cast aluminum heat exchanger 2, absorbs heat of the cast aluminum heat exchanger 2 in the flowing process of water to heat up, and finally flows out from the water outlet connector 6 of the cast aluminum heat exchanger 2. The cast aluminum electric heater of the embodiment realizes the effect of prolonging the heat exchange water cavity 20 through the upper cover water channel isolating strip part 11 and the lower cover water channel isolating strip part 31, so that the water body entering the cast aluminum heat exchanger 2 fully absorbs heat, and the cast aluminum electric heater has the characteristic of high heat exchange efficiency.
Claims (6)
1. The utility model provides a split type cast aluminium electric heater which characterized in that: comprises an upper gland (1), a cast aluminum heat exchange body (2), a lower gland (3) and at least 1 electric heating pipe (4);
the cast aluminum heat exchange body (2) is of a rectangular block structure, the front side part and the back side part of the cast aluminum heat exchange body (2) are respectively provided with a raised annular edge retaining part (21), the front side and the back side of the cast aluminum heat exchange body (2) are positioned on the inner side of the annular edge retaining part (21) and are provided with water passing grooves (22), 1 or more water passing holes (23) are formed in the inner side of the annular edge retaining part (21) on the cast aluminum heat exchange body (2), and the water passing holes (23) are used for communicating the 2 water passing grooves (22) on the front side and the back side of the cast aluminum heat exchange body (2);
the cast aluminum heat exchanger (2) is provided with a water inlet and a water outlet, the water inlet and the water outlet are connected with the same water passing groove (22) or are respectively connected with 1 water passing groove (22), a water inlet joint (5) is arranged outside the water inlet, a water outlet joint (6) is arranged outside the water outlet, and a plurality of heat exchanger side holes (24) which are vertically arranged are formed in the periphery of the cast aluminum heat exchanger (2);
the electric heating tube (4) comprises an electric heating tube main body, and a positive electrode connector (41) and a negative electrode connector (42) which are arranged at two ends of the electric heating tube main body, and the electric heating tube main body is embedded in the cast aluminum heat exchange body (2);
the upper gland (1) is of a rectangular plate-shaped structure, the edge part of the upper gland (1) is provided with a plurality of vertically arranged upper gland edge holes (14), the back surface of the upper gland (1) is provided with 1 or a plurality of raised upper gland waterway isolation bar parts (11), and the upper gland waterway isolation bar parts (11) are arranged in a winding way;
the lower gland (3) is of a rectangular plate-shaped structure, the edge part of the lower gland (3) is provided with a plurality of vertically arranged lower gland edge holes (34), the back surface of the lower gland (3) is provided with 1 or a plurality of raised lower gland waterway isolation bar parts (31), and the lower gland waterway isolation bar parts (31) are arranged in a winding way;
an edge bolt (7) penetrates through an upper cover edge hole (14) of the upper gland (1), a heat exchange body edge hole (24) of the cast aluminum heat exchange body (2) and a lower cover edge hole (34) of the lower gland (3) to sequentially align and connect the upper gland (1), the cast aluminum heat exchange body (2) and the lower gland (3), and sealing gaskets (8) are respectively arranged between annular edge blocking parts (21) on the front and back sides of the cast aluminum heat exchange body (2) and the upper gland (1) and the lower gland (3); an upper cover waterway isolation bar part (11) of an upper cover (1) is abutted to the tank bottom surface of a water passing groove (22) in the front surface of a cast aluminum heat exchanger (2), a lower cover waterway isolation bar part (31) of a lower cover (3) is abutted to the tank bottom surface of the water passing groove (22) in the back surface of the cast aluminum heat exchanger (2), the upper cover (1) is combined with the cast aluminum heat exchanger (2) through the upper cover waterway isolation bar part (11) and the lower cover (3) through the lower cover waterway isolation bar part (31) to form a heat exchange water cavity (20) communicated through water passing holes (23), and the heat exchange water cavity (20) is respectively connected with a water inlet and a water outlet.
2. The split cast aluminum electric heater according to claim 1, wherein: the side surfaces of an upper cover waterway isolation strip part (11) of the upper pressing cover (1) and a lower cover waterway isolation strip part (31) of the lower pressing cover (3) are inclined planes.
3. The split cast aluminum electric heater according to claim 1, wherein: and a heat dissipation convex rib (25) arranged along the heat exchange water cavity (20) is arranged in the water passing groove (22) of the cast aluminum heat exchange body (2).
4. The split cast aluminum electric heater according to claim 1, wherein: the upper cover is characterized in that a raised upper cover annular strip portion (12) is arranged near the edge portion of the upper cover (1), a raised lower cover annular strip portion (32) is arranged near the edge portion of the lower cover (3), gaps are formed between the upper cover annular strip portion (12) and the annular edge blocking portion (21) of the aluminum-cast heat exchanger (2) and between the lower cover annular strip portion (32) and the annular edge blocking portion (21) of the aluminum-cast heat exchanger (2), and the sealing gasket (8) extends into the gaps.
5. The split cast aluminum electric heater according to claim 1, wherein: an annular slot is formed in the annular edge retaining portion (21) of the cast aluminum heat exchange body (2), and the sealing washer (8) is provided with an annular inserting piece portion (81) clamped in the annular slot.
6. The split cast aluminum electric heater of claim 1 or 2 or 3 or 4 or 5, wherein: the middle part of the upper gland (1) is provided with an upper cover middle hole (16) which is vertically arranged, the middle part of the cast aluminum heat exchange body (2) is provided with a heat exchange body middle hole (26) which is vertically arranged, the middle part of the lower gland (3) is provided with a lower cover middle hole (36) which is vertically arranged, and a middle bolt (9) penetrates through the upper cover middle hole (16) of the upper gland (1), the heat exchange body middle hole (26) of the cast aluminum heat exchange body (2) and the lower cover middle hole (36) of the lower gland (3) to fixedly connect the upper gland (1), the cast aluminum heat exchange body (2) and the lower gland (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920283303.7U CN210093595U (en) | 2019-03-06 | 2019-03-06 | Split type cast aluminum electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920283303.7U CN210093595U (en) | 2019-03-06 | 2019-03-06 | Split type cast aluminum electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210093595U true CN210093595U (en) | 2020-02-18 |
Family
ID=69471428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920283303.7U Expired - Fee Related CN210093595U (en) | 2019-03-06 | 2019-03-06 | Split type cast aluminum electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210093595U (en) |
-
2019
- 2019-03-06 CN CN201920283303.7U patent/CN210093595U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 Termination date: 20210306 |
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| CF01 | Termination of patent right due to non-payment of annual fee |