CN211084440U - Air duct structure of ultra-low temperature air source air heater - Google Patents
Air duct structure of ultra-low temperature air source air heater Download PDFInfo
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- CN211084440U CN211084440U CN201921426743.XU CN201921426743U CN211084440U CN 211084440 U CN211084440 U CN 211084440U CN 201921426743 U CN201921426743 U CN 201921426743U CN 211084440 U CN211084440 U CN 211084440U
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Abstract
The utility model relates to an ultra-low temperature air source air heater makes technical field, concretely relates to ultra-low temperature air source air heater wind channel structure. Including right side open-ended casing, set up porosely on the casing left side wall, the downthehole filter screen that is fixed with, the casing internal fixation has the baffle, sets up the trompil that corresponds with the hole on the casing left side wall on the baffle, and the casing internal fixation between baffle and the casing left side wall has the fan, and fixed mounting has the air outlet grid tray in the opening on casing right side, installs the hot air duct in the casing between baffle and the air outlet grid tray. The utility model discloses, simple structure, convenient operation can wholly pull down the PTC heater under the condition of not dismantling the casing, and the convenience is maintained the PTC heater, and is more convenient when whole machine assembly simultaneously, can advance the barrel with PTC heater direct mount in, then in advancing the casing with the barrel installation, need not to weld the contact of the constant temperature heating member of PTC heater, has improved assembly efficiency.
Description
Technical Field
The utility model relates to an ultra-low temperature air source air heater makes technical field, concretely relates to ultra-low temperature air source air heater wind channel structure.
Background
Ultra-low temperature air source air heater is at the during operation, need carry out the circulation of air, be about to the external cold air of equipment carry through the heater intensification back row to the appointed area, ultra-low temperature air source air heater heating member generally adopts holistic PTC heater, current equipment, it is inside directly to fix it when PTC heater is fixed inside the casing, when PTC heater damages, need advance the casing to demolish, then more troublesome during the maintenance of PTC heater, maintenance duration is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an ultra-low temperature air source air heater wind channel structure of maintenance is assembled and is dismantled to the convenience to the PTC heater.
In order to realize the purpose, the utility model provides a technical scheme is:
an air duct structure of an ultra-low temperature air source air heater comprises a shell with an opening at the right side, a hole is arranged on the left side wall of the shell, a filter screen is fixed in the hole, a partition plate is fixed in the shell, an opening corresponding to the hole on the left side wall of the shell is arranged on the partition plate, a fan is fixed in the shell between the partition plate and the left side wall of the shell, an air outlet grid plate is fixed in the opening at the right side of the shell, a heating air duct is arranged in the shell between the partition plate and the,
the heating air duct comprises a barrel body with openings at the left end and the right end, a sealing ring is fixed at the left end of the barrel body and is in sealing contact with a partition plate, the barrel body corresponds to an opening on the partition plate, two longitudinal fixing rods are fixed in a shell at the right side of the barrel body and are arranged in an up-and-down symmetrical manner, the upper fixing rod and the lower fixing rod are respectively in contact with the upper side and the lower side of the right end of the barrel body, a longitudinal supporting plate is fixed in the shell below the barrel body, the upper end of the supporting plate is in contact with the lower end of the barrel body, the barrel body enters the shell through a through hole on the rear side wall of the shell, a sealing plate for plugging the through hole is detachably fixed at the outer side of the rear side wall of the shell, the sealing plate is fixedly connected with the rear side of the barrel body through a connecting plate, insulating blocks are fixed at the upper side and the, all inlay and be provided with first contact piece on the left side cell wall of first recess, first contact piece and constant temperature heating member's contact electrical contact, vertical second recess has all been seted up on the lateral wall around the first recess on constant temperature heating member right side, both ends are located two second recesses respectively around the baffle and stop constant temperature heating member's contact, the upper and lower both ends on barrel right side are all inlayed and are provided with the third contact piece, the third contact piece passes through the wire rather than the first contact piece on the insulating block of one side and is connected, all inlay on the dead lever and be provided with the second contact piece rather than the third contact piece electrical contact of one side, second contact piece and power cord electrical connection on two dead levers.
Specifically, the air outlet direction of the fan faces the partition plate.
Specifically, the closing plate is fixedly connected with the shell through a bolt, and the closing plate is connected with the shell in a sealing mode through a sealing gasket.
Specifically, the baffle is in interference fit with the second groove.
Specifically, the insulating block is a high-temperature resistant insulating block.
Specifically, the cylinder is made of engineering plastics.
Specifically, the fixing rod is made of engineering plastics.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, simple structure, convenient operation can wholly pull down the PTC heater under the condition of not dismantling the casing, and the convenience is maintained the PTC heater, and is more convenient when whole machine assembly simultaneously, can advance the barrel with PTC heater direct mount in, then in advancing the casing with the barrel installation, need not to weld the contact of the constant temperature heating member of PTC heater, has improved assembly efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of the area a in fig. 1.
Fig. 3 is a top view of the lower fixture block.
Fig. 4 is a top view of the internal structure of the present invention.
Detailed Description
As shown in fig. 1-4, an air duct structure of an ultra-low temperature air source air heater comprises a casing 1 with an opening at the right side, a hole is formed in the left side wall of the casing 1, a filter screen 2 is fixed in the hole, a partition plate 5 is fixed in the casing 1, an opening 6 corresponding to the hole in the left side wall of the casing 1 is formed in the partition plate 5, a fan 4 is fixed in the casing 1 between the partition plate 5 and the left side wall of the casing 1, the air outlet direction of the fan 4 faces the partition plate 5, an air outlet grid plate 3 is fixedly installed in the opening at the right side of the casing 1, and a heating air duct is installed in the casing 1 between the partition.
The heating air duct comprises a barrel body 8 with openings at the left end and the right end, the barrel body 8 is made of engineering plastics, a sealing ring 9 is fixed at the left end of the barrel body 8, the sealing ring 9 is in sealing contact with a partition plate 5, the barrel body 8 corresponds to an opening 3 on the partition plate 5, two longitudinal fixing rods 7 are fixed in a shell body 1 at the right side of the barrel body 8, the fixing rods 7 are made of engineering plastics, the two fixing rods 7 are symmetrically arranged up and down, the upper fixing rod 7 and the lower fixing rod 7 are respectively in contact with the upper side and the lower side of the right end of the barrel body 8, a longitudinal supporting plate 22 is fixed in the shell body 1 below the barrel body 8, the upper end of the supporting plate 22 is in contact with the lower end of the barrel body 8, the barrel body 8 enters the shell body 1 through a through hole 20 on the rear side wall of the shell body 1, a sealing plate 18, shrouding 18 passes through connecting plate 21 fixed connection with barrel 8 rear side, and both sides all are fixed with insulating block 10 about barrel 8 inner edge, insulating block 10 is high temperature resistant insulating block, and two insulating block 10 symmetry settings from top to bottom, horizontal first recess 11 has all been seted up on the relative one end right side of insulating block 10, and PTC heater 15 is located barrel 8, and the contact at two ends about PTC heater 15's constant temperature heating element 23 is located the first recess 11 of two insulating block 10 from top to bottom respectively.
All inlay on the left side cell wall of first recess 11 and be provided with first contact block 14, first contact block 14 and constant temperature heating element 23's contact electrical contact, all seted up vertical second recess 12 around the first recess 11 on constant temperature heating element 23 right side on the lateral wall, both ends are located around 13 respectively in two second recesses 12 and stop constant temperature heating element 23's contact, baffle 13 and 12 interference fit of second recess, the upper and lower both ends on barrel 8 right side are all inlayed and are provided with third contact block 17, and third contact block 17 passes through the wire with first contact block 14 on its one side insulating block 10 and is connected, all inlays on the dead lever 7 and is provided with second contact block 16 rather than the third contact block 17 electrical contact of one side, second contact block 16 and the power cord electrical connection on two dead levers 7.
When the PTC heater 15 needs to be repaired, the bolt for connecting the housing 1 and the sealing plate 18 is detached, then the barrel 8 can be moved out of the housing 1 through the through hole 20, in the process that the barrel 8 is moved out of the housing 1, the second contact block 16 and the third contact block 17 are separated, then the baffle 13 is made to exit the second groove 12, the baffle 13 loses the blocking effect on the constant temperature heating element 23, and the PTC heater 15 can be moved out of the barrel 8 for repair or replacement.
When the PTC heater 15 is assembled again, the contact of the constant temperature heating member 23 of the PTC heater 15 is fitted into the first recess 11 of the insulating block 10, the contact of the constant temperature heating member 23 is electrically contacted with the first contact block 14 in the first recess 11,
then the baffle 13 is clamped in the second groove 12, the constant temperature heating element 23 is stabilized by the baffle 13, further the PTC heater 15 is stabilized in the cylinder 8, the cylinder 8 enters the shell 1 through the through hole 20, the supporting plate 22 can support the cylinder 8, meanwhile, the fixing rod 7 can limit the cylinder 8 in the transverse direction, when the sealing plate 18 contacts with the shell 1, the opening 6 is concentric with the cylinder 8, simultaneously, under the limiting action of the fixing rod 7, the sealing ring 9 enables the left end of the cylinder 8 to be in sealing contact with the partition plate 5, the fan 4 enables air to completely enter the cylinder 8 and blow to the PTC heater 15 after passing through the opening 6, the air entering the cylinder 8 and the PTC heater 15 are subjected to heat transfer, when the sealing plate 18 contacts with the shell 1, the third contact block 17 is in electrical contact with the second contact block 16, at this time, the PTC heater 15 is electrically connected with the power line, in the above-described process of mounting the PTC heater 15, the contact of the constant temperature heating element 23 does not need to be welded, the mounting efficiency can be improved, and finally, the sealing plate 18 and the housing 1 can be connected by bolts.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An air channel structure of an ultra-low temperature air source air heater comprises a shell (1) with an opening at the right side, and is characterized in that a hole is formed in the left side wall of the shell (1), a filter screen (2) is fixed in the hole, a partition plate (5) is fixed in the shell (1), an opening (6) corresponding to the hole in the left side wall of the shell (1) is formed in the partition plate (5), a fan (4) is fixed in the shell (1) between the partition plate (5) and the left side wall of the shell (1), an air outlet grid plate (3) is fixed in the opening at the right side of the shell (1), a heating air channel is arranged in the shell (1) between the partition plate (5) and the air outlet grid plate,
the heating air duct comprises a barrel body (8) with openings at the left end and the right end, a sealing ring (9) is fixed at the left end of the barrel body (8), the sealing ring (9) is in sealing contact with a partition plate (5), the barrel body (8) corresponds to an opening (6) on the partition plate (5), two longitudinal fixing rods (7) are fixed in a shell body (1) at the right side of the barrel body (8), the two fixing rods (7) are arranged in an up-down symmetrical mode, the upper fixing rod and the lower fixing rod (7) are respectively in contact with the upper side and the lower side of the right end of the barrel body (8), a longitudinal supporting plate (22) is fixed in the shell body (1) below the barrel body (8), the upper end of the supporting plate (22) is in contact with the lower end of the barrel body (8), the barrel body (8) enters the shell body (1) through a through hole (20) in the, the sealing plate (18) is fixedly connected with the rear side of the barrel (8) through a connecting plate (21), the upper side and the lower side of the inner edge of the barrel (8) are respectively fixed with an insulating block (10), the two insulating blocks (10) are arranged in an up-down symmetrical manner, the right side of the opposite end of each insulating block (10) is provided with a transverse first groove (11), the PTC heater (15) is positioned in the barrel (8), contacts at the upper end and the lower end of a constant-temperature heating element (23) of the PTC heater (15) are respectively positioned in the first grooves (11) of the upper insulating block and the lower insulating block (10), a first contact block (14) is respectively embedded on the left groove wall of each first groove (11), the first contact block (14) is electrically contacted with the contact of the constant-temperature heating element (23), vertical second grooves (12) are respectively arranged on the front side wall and the rear side wall of the first groove (11) at the right side of the constant-temperature heating element (23), the front end and the rear end of the, the upper end and the lower end of the right side of the cylinder body (8) are respectively provided with a third contact block (17) in an embedded mode, the third contact blocks (17) are connected with the first contact blocks (14) on the insulating blocks (10) on one side of the third contact blocks through wires, the fixing rods (7) are respectively provided with a second contact block (16) which is in electrical contact with the third contact blocks (17) on one side of the fixing rods in an embedded mode, and the second contact blocks (16) on the two fixing rods (7) are electrically connected with the power line.
2. The air channel structure of ultra-low temperature air source hot air blower according to claim 1 is characterized in that the air outlet direction of the fan (4) faces to the partition plate (5).
3. The air duct structure of ultra-low temperature air source air heater according to claim 1, characterized in that the sealing plate (18) is fixedly connected with the casing (1) through bolts, and the sealing plate (18) is hermetically connected with the casing (1) through a sealing gasket (19).
4. The air duct structure of ultra-low temperature air source hot air blower according to claim 1, characterized in that the baffle (13) is in interference fit with the second groove (12).
5. The air duct structure of ultra-low temperature air source air heater according to claim 1, characterized in that the insulation block (10) is a high temperature resistant insulation block.
6. The air duct structure of ultra-low temperature air source air heater according to claim 1, characterized in that the barrel (8) is made of engineering plastic.
7. The air duct structure of ultra-low temperature air source air heater as claimed in claim 1, wherein the fixing rod (7) is made of engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921426743.XU CN211084440U (en) | 2019-08-30 | 2019-08-30 | Air duct structure of ultra-low temperature air source air heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921426743.XU CN211084440U (en) | 2019-08-30 | 2019-08-30 | Air duct structure of ultra-low temperature air source air heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211084440U true CN211084440U (en) | 2020-07-24 |
Family
ID=71628557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921426743.XU Active CN211084440U (en) | 2019-08-30 | 2019-08-30 | Air duct structure of ultra-low temperature air source air heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211084440U (en) |
-
2019
- 2019-08-30 CN CN201921426743.XU patent/CN211084440U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 457000 south of East tieqiu road and west of Wenming Road, Puyang County, Puyang City, Henan Province Patentee after: Zhongzhen lvtan (Henan) Energy Group Co.,Ltd. Address before: 457000 south of East tieqiu road and west of Wenming Road, Puyang County, Puyang City, Henan Province Patentee before: PUYANG DAILUN AIR CONDITIONING EQUIPMENT Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An air duct structure of ultra-low temperature air source hot air fan Effective date of registration: 20220424 Granted publication date: 20200724 Pledgee: Puyang Rural Commercial Bank Co.,Ltd. Pledgor: Zhongzhen lvtan (Henan) Energy Group Co.,Ltd. Registration number: Y2022980004730 |