CN214038624U - Intelligent heating system device - Google Patents

Intelligent heating system device Download PDF

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Publication number
CN214038624U
CN214038624U CN202023046135.1U CN202023046135U CN214038624U CN 214038624 U CN214038624 U CN 214038624U CN 202023046135 U CN202023046135 U CN 202023046135U CN 214038624 U CN214038624 U CN 214038624U
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China
Prior art keywords
box body
block
rod
dust filter
installation
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Active
Application number
CN202023046135.1U
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Chinese (zh)
Inventor
张化海
张鑫
郑继欣
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Tianjin Thermal Power Co ltd
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Tianjin Thermal Power Co ltd
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Priority to CN202023046135.1U priority Critical patent/CN214038624U/en
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Abstract

The utility model discloses an intelligent heating system device, which comprises a box body, wherein a heat preservation layer is arranged in the box body, the middle positions of two ends of the surface of the box body are respectively provided with an air inlet and an air outlet, the two sides of the inside of the box body are both fixedly provided with an installation block, one side of the installation block is fixedly provided with a dust filter screen, the two sides of the surface of the installation block are both provided with slots, the inside of the installation block is movably inserted with an inserted rod, one end of the inserted rod is fixedly connected with one side of the installation block, the middle position of one side of the surface of the dust filter screen is fixedly provided with an installation ring, the output end of a driving motor drives a rotating rod to rotate, the rotating rod drives a rotating shaft to rotate through a bevel gear and a turning gear, an installation box at one end of the rotating shaft rotates, and a cleaning block at one side of the installation box is tightly attached to the dust filter screen under the action of a supporting spring, so that the cleaning effect is enhanced, the service life of the dust filter screen is prolonged.

Description

Intelligent heating system device
Technical Field
The utility model relates to a heating device field specifically is an intelligent heating system device.
Background
The intermediate medium for transferring heat in the urban central heating system is also called as heating medium or heating carrier. The heat supply medium widely adopted in the modern thermal engineering process is water, and because a large amount of water exists in nature and has large heat capacity, the heat exchange process can be operated in an economical and effective circulating mode. Urban central heating system also generally adopts water as the heating medium, with the form of hot water or steam, carry the heat from the heat source, deliver to the user through the heat supply network, urban central heating's object is mainly heating, ventilate, the air conditioner, low-order heat energy user such as hot water supply, current hot-blast heating installation often can be provided with the dirt filtrating net and filter the air, avoid the dust to get into the heating that influences inside air, influence the effect, but the dirt filtrating net leads to the fact its surface to remain a large amount of dusts easily through long-term use, influence the air inlet effect, we have proposed an intelligent heating system device in order to solve this a series of problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides an intelligent heating system device, when a dust filter screen is disassembled, the pull ring drives the movable rod to be drawn out from the inside of the mounting bar, the movable block moves in the mounting groove, the reset spring is extruded, so that the clamping rod is drawn out from the inside of the inserting rod, the movable block extrudes the reset spring, when the dust filter is installed, the slot on the surface of the dust filter screen is sleeved on the surface of the inserted rod through the limiting block and the limiting groove, the movable rod returns to the original position under the action of the return spring, the clamping and fixing rod is drawn out from the inside of the mounting groove, the clamping and fixing rod is clamped with the inserting rod, the dust filter screen is convenient to be fixedly mounted, when the driving motor operates, the rotating shaft is driven to rotate through the bevel gear and the change gear, so that the cleaning block cleans the surface of the dust filter screen, and the service life of the dust filter screen is prolonged.
In order to achieve the above object, the utility model provides a following technical scheme: an intelligent heating system device comprises a box body, wherein a heat preservation layer is arranged in the box body, an air inlet and an air outlet are respectively arranged at the middle positions of two ends of the surface of the box body, an installation block is fixedly arranged at two sides of the inner part of the box body, a dust filter net is fixedly arranged at one side of the installation block, slots are respectively arranged at two sides of the surface of the installation block, an insertion rod is movably inserted in the insertion block, one end of the insertion rod is fixedly connected with one side of the installation block, an installation ring is fixedly arranged at the middle position of one side of the surface of the dust filter net, an installation strip is fixedly arranged at two sides of the surface of the installation strip, an installation groove is arranged in one end of the installation strip, a movable rod is movably inserted in the installation strip, a movable block is fixedly arranged at one end of the movable block, a clamping rod is fixedly arranged at one end of the movable block, one end of the movable rod penetrates through the insertion rod, and is clamped with one side of the inner wall of the slot, a reset spring is fixedly arranged at one side of the movable block, one end of the dust filter is fixedly connected with one side of the inner wall of the mounting groove, one side of the interior of the box body is fixedly provided with a mounting frame, the middle position of the interior of the box body is movably provided with a rotating shaft, one end of the rotating shaft is fixedly provided with an air inlet fan blade, the surface of the rotating shaft is sleeved with a conical gear, one end of the rotating shaft is fixedly provided with a mounting box, one side of the interior of the rotating shaft is fixedly provided with a supporting spring, one end of the interior of the rotating shaft is fixedly provided with a cleaning block, one end of the interior of the rotating shaft is positioned outside the mounting box and is jointed with one side of the dust filter screen, one side of the upper end of the interior of the box body is fixedly provided with a driving motor, the output end of the interior of the box body is fixedly provided with a rotating rod, one end of the interior of the box body is fixedly provided with a turning gear, the turning gear is meshed with the conical gear, one side of the interior of the box body is fixedly provided with a humidity sensor, the equal fixed mounting in both sides of the inside one end of box has the heating piece, the intermediate position department fixed mounting of box lower extreme has the water tank, and its inside fixed mounting has the water pump, and its output passes through the upper end fixed connection of coupling hose and humidification structure, one side fixed mounting of water tank upper end has the back flow, its with the lower extreme fixed connection of humidification structure, one side fixed mounting on water tank surface has the watch-dog, its output respectively with water pump, heating piece with driving motor's input electric connection.
Preferably, a limiting block is fixedly mounted on one side inside the slot, a limiting groove is formed in one side of the surface of the inserting rod, and the limiting block is movably connected with the limiting groove, so that the slot can be conveniently inserted into the surface of the inserting rod, and the dust filter screen can be conveniently mounted.
Preferably, one end of the movable rod penetrates through the mounting ring, and the pull ring is fixedly mounted at the end of the movable rod, so that the movable rod is driven to move conveniently.
Preferably, one side of the inside upper end of box is fixed mounting respectively has humidity transducer and temperature sensor, the humidity transducer output with the temperature sensor input with watch-dog electric connection is convenient for detect gas, avoids the inflow of toxic gas.
Preferably, the lower extreme fixed mounting of the inside one side of box has gaseous detection sensor, its output with the temperature sensor input with watch-dog electric connection is convenient for detect gas, avoids toxic gaseous inflow.
Preferably, the upper end fixed mounting of the inside one side of box has temperature sensor, temperature sensor's output with the temperature sensor input with watch-dog electric connection is convenient for detect and observe air temperature.
Preferably, the monitor is internally provided with a receiving module, a control module, a display module and an information transmission module respectively, so that the whole device can be controlled conveniently.
Preferably, the surface of watch-dog is provided with display screen and button respectively, the input of display screen with display module electric connection, the output of button with control module's input electric connection is convenient for observe and control the watch-dog.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model has the advantages that the installation block is arranged, the integral device has good replacement effect, when the user uses the device, the dust filter net is used for a long time, a large amount of dust remains on the surface, the user pulls the pull ring towards the inside of the installation ring, the pull ring drives the movable rod to be drawn out from the inside of the installation strip, the movable block at one end of the movable rod moves in the inside of the installation groove, the movable block extrudes the reset spring, the movable block drives the clamping rod to shrink into the inside of the installation groove, so that the clamping rod is separated from the inserted rod, the dust filter net is drawn out from the inside of the air inlet and the air outlet, the dust filter net is convenient to be replaced, when the device is installed, the user sleeves the inserting groove on the surface of the inserted rod with the dust filter net, the inserting groove is sleeved on the surface of the inserted rod through the limiting block and the limiting groove, the user loosens the pull ring, the movable rod returns to the original position under the action of the reset spring, and the clamping rod is drawn out from the inside of the installation groove, the clamping rod is clamped with the inserting rod, so that the dust filter screen is conveniently and fixedly installed;
2. the utility model has the advantages that the cleaning block is arranged, the integral device has good cleaning effect, a user starts the driving motor, the heating block and the water pump through the button on the surface of the monitor, the output end of the driving motor drives the rotating rod to rotate, the rotating rod drives the rotating shaft to rotate through the bevel gear and the turning gear, the mounting box at one end of the rotating shaft rotates, the cleaning block at one side of the mounting box is tightly attached to the dust filter net under the action of the supporting spring, the cleaning effect is enhanced, the service life of the dust filter net is prolonged, the rotating shaft drives the air inlet fan blade to rotate, the wind is sucked from the air inlet, the water in the water tank is discharged into the humidifying structure through the water pump, the air is conveniently humidified, the redundant water flows into the water tank through the return pipe, and the air is heated by the humidified air under the action of the heating block, thereby allowing warm air to be exhausted.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic view of the front view structure of the device of the present invention.
Fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
Fig. 3 is a schematic view of the dust filter structure of the present invention.
Fig. 4 is a schematic view of the electrical connection of the internal structure of the device according to the present invention.
In the figure: 1. a box body; 2. a heat-insulating layer; 3. an air inlet; 4. an air outlet; 5. a support spring; 6. mounting a box; 7. cleaning the block; 8. a change gear; 9. rotating the rod; 10. a drive motor; 11. a mounting frame; 12. Air inlet fan blades; 13. a humidifying structure; 14. a gas detection sensor; 15. a humidity sensor; 16. a heating block; 17. a temperature sensor; 18. a monitor; 19. a return pipe; 20. a water pump; 21. a water tank; 22. A bevel gear; 23. a rotating shaft; 24. a movable rod; 25. a dust filter screen; 26. mounting blocks; 27. a limiting block; 28. inserting a rod; 29. a slot; 30. clamping and fixing the rod; 31. a limiting groove; 32. a movable block; 33. a return spring; 34. mounting a bar; 35. mounting grooves; 36. a mounting ring; 37. a pull ring; 38. an information delivery module; 39. a receiving module; 40. a control module; 41. and a display module.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: an intelligent heating system device comprises a box body 1, wherein a heat preservation layer 2 is arranged in the box body, an air inlet 3 and an air outlet 4 are respectively arranged at the middle positions of two ends of the surface of the box body 1, mounting blocks 26 are fixedly arranged at two sides in the box body, a dust filter screen 25 is fixedly arranged at one side of each mounting block 26, slots 29 are respectively arranged at two sides of the surface of each mounting block, an inserting rod 28 is movably inserted in the box body, one end of each inserting rod 28 is fixedly connected with one side of each mounting block 26, a mounting ring 36 is fixedly arranged at the middle position of one side of the surface of each dust filter screen 25, mounting strips 34 are fixedly arranged at two sides of the surface of each mounting block, a mounting groove 35 is arranged in one end of each mounting strip 34, a movable rod 24 is movably inserted in the box body, a movable block 32 is fixedly arranged at one end of each movable block 32, a clamping rod 30 is fixedly arranged at one end of each movable block 32, one end of each movable block passes through each inserting rod 28, and is clamped with one side of the inner wall of each slot 29, a reset spring 33 is fixedly arranged on one side of the movable block 32, one end of the reset spring is fixedly connected with one side of the inner wall of the mounting groove 35, a mounting frame 11 is fixedly arranged on one side inside the box body 1, a rotating shaft 23 is movably arranged in the middle of the inside of the box body, an air inlet fan blade 12 is fixedly arranged at one end of the rotating shaft 23, a conical gear 22 is sleeved on the surface of the rotating shaft 23, a mounting box 6 is fixedly arranged at one end of the rotating shaft 23, a supporting spring 5 is fixedly arranged at one side of the inside of the box body, a cleaning block 7 is fixedly arranged at one end of the supporting spring, one end of the supporting spring is positioned on the outer side of the mounting box 6 and is attached to one side of the dust filter screen 25, a driving motor 10 is fixedly arranged on one side of the upper end inside the box body 1, the model of the driving motor 10 can be Y2-71M2-4B14, a rotating rod 9 is fixedly arranged at the output end of the rotating rod, a change gear 8 is fixedly arranged at one end of the rotating rod, and the change gear 8 is meshed with the conical gear 22, one side fixed mounting of the inside of box 1 has humidification structure 13, one side fixed mounting of the inside of box 1 has humidity transducer 15, humidity transducer 15's model can be DHT100, the equal fixed mounting in both sides of the inside one end of box 1 has heating block 16, intermediate position department fixed mounting of the box 1 lower extreme has water tank 21, its inside fixed mounting has water pump 20, its output passes through coupling hose and humidification structure 13's upper end fixed connection, one side fixed mounting of water tank 21 upper end has back flow 19, its and humidification structure 13's lower extreme fixed connection, one side fixed mounting on water tank 21 surface has watch-dog 18, its output respectively with water pump 20, heating block 16 and driving motor 10's input electric connection.
Specifically, as shown in fig. 1-4, a limiting block 27 is fixedly mounted on one side inside the slot 29, a limiting groove 31 is formed on one side of the surface of the insertion rod 28, and the limiting block 27 is movably connected with the limiting groove 31, so that the slot 29 can be conveniently inserted into the surface of the insertion rod 28, and the installation of the dust filter 25 is facilitated.
Specifically, as shown in fig. 1-4, one end of movable rod 24 passes through mounting ring 36, and a pull ring 37 is fixedly mounted at the end, so as to facilitate moving movable rod 24.
Specifically, as shown in fig. 1 to 4, a humidity sensor 15 and a temperature sensor 17 are respectively and fixedly installed at one side of the upper end inside the box body 1, and an output end of the humidity sensor 15 and an input end of the temperature sensor 17 are electrically connected with a monitor 18, so that the humidity of the air can be conveniently detected and observed.
Specifically, as shown in fig. 1 to 4, a gas detection sensor 14 is fixedly installed at the lower end of one side inside the box body 1, the type of the gas detection sensor 14 can be K-400A, and the output end of the gas detection sensor 14 is electrically connected with the input end of the temperature sensor 17 and the monitor 18, so that gas can be conveniently detected, and the inflow of toxic gas can be avoided.
Specifically, as shown in fig. 1 to 4, a temperature sensor 17 is fixedly installed at an upper end of one side inside the box body 1, the type of the temperature sensor 17 may be MAF-104F3950, and an output end of the temperature sensor 17 is electrically connected with an input end of the temperature sensor 17 and the monitor 18, so as to facilitate detection and observation of the air temperature.
Specifically, as shown in fig. 1 to 4, a receiving module 39, a control module 40, a display module 41 and an information delivery module 38 are respectively disposed inside the monitor 18, so as to facilitate the control of the whole device.
Specifically, as shown in fig. 1 to 4, a display screen and a button are respectively disposed on the surface of the monitor 18, an input end of the display screen is electrically connected to the display module 41, and an output end of the button is electrically connected to an input end of the control module 40, so as to facilitate observation and control of the monitor 18.
The working principle is as follows: when the user uses the device, the user starts the driving motor 10, the heating block 16 and the water pump 20 through the button on the surface of the monitor 18, the output end of the driving motor 10 drives the rotating rod 9 to rotate, the rotating rod 9 drives the rotating shaft 23 to rotate through the bevel gear 22 and the change gear 8, the mounting box 6 at one end of the rotating shaft 23 rotates, the cleaning block 7 at one side of the mounting box 6 is tightly attached to the dust filter net 25 under the action of the supporting spring 5, the cleaning effect is enhanced, the service life of the dust filter net 25 is prolonged, the rotating shaft 23 drives the air inlet fan blades 12 to rotate to suck air from the air inlet 3, water in the water tank 21 is discharged into the humidifying structure 13 through the water pump 20, the air is conveniently humidified, redundant water flows into the water tank 21 through the return pipe 19, and the humidified air heats the air under the action of the heating block 16, thereby warm air is discharged, under the action of the gas detection sensor 14 in the operation process, the entry of toxic gas is avoided, under the action of the humidity sensor 15, the humidity in the air is detected, meanwhile, under the action of the temperature sensor 17, the heating temperature of the air is detected, the dust filter net 25 is used for a long time, a large amount of dust remains on the surface, a user pulls the pull ring 37 towards the inside of the mounting ring 36, the pull ring 37 drives the movable rod 24 to be drawn out from the inside of the mounting bar 34, the movable block 32 at one end of the movable rod 24 moves in the inside of the mounting groove 35, the movable block 32 extrudes the reset spring 33, the movable block 32 drives the clamping rod 30 to contract into the inside of the mounting groove 35, so that the clamping rod 30 is separated from the inserting rod 28, thereby the dust filter net 25 is drawn out from the inside of the air inlet 3 and the air outlet 4, and the dust filter net 25 is convenient to be replaced, when the dust filter is installed, a user sleeves the insertion groove 29 on the surface of the insertion rod 28 with the dust filter net 25, the insertion groove 29 is sleeved on the surface of the insertion rod through the limiting block 27 and the limiting groove 31, the pull ring 37 is loosened by the user, the movable rod 24 is restored to the original position under the action of the reset spring 33, the clamping rod 30 is pulled out from the inside of the installation groove 35, the clamping rod 30 is clamped with the insertion rod 28, and the dust filter net 25 is conveniently and fixedly installed.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. An intelligent heating system device comprises a box body (1), wherein a heat preservation layer (2) is arranged in the box body, and is characterized in that an air inlet (3) and an air outlet (4) are respectively arranged at the middle positions of two ends of the surface of the box body (1), an installation block (26) is fixedly arranged at two sides of the surface of the box body, a dust filter net (25) is fixedly arranged at one side of the installation block (26), slots (29) are respectively arranged at two sides of the surface of the box body, an insertion rod (28) is movably inserted in the insertion rod, one end of the insertion rod (28) is fixedly connected with one side of the installation block (26), an installation ring (36) is fixedly arranged at the middle position of one side of the surface of the dust filter net (25), installation strips (34) are fixedly arranged at two sides of the surface of the box body, installation grooves (35) are arranged in one end of the installation strips (34), and a movable rod (24) is movably inserted in the installation strips, one end of the movable block is fixedly provided with a movable block (32), one end of the movable block (32) is fixedly provided with a clamping and fixing rod (30), one end of the movable block passes through the inserted rod (28) and is clamped with one side of the inner wall of the slot (29), one side of the movable block (32) is fixedly provided with a reset spring (33), one end of the movable block is fixedly connected with one side of the inner wall of the mounting groove (35), one side of the inner part of the box body (1) is fixedly provided with a mounting frame (11), the middle position of the inner part of the box body is movably provided with a rotating shaft (23), one end of the movable block is fixedly provided with an air inlet fan blade (12), the surface of the rotating shaft (23) is sleeved with a bevel gear (22), one end of the rotating shaft (23) is fixedly provided with a mounting box (6), one side of the inner part of the box body is fixedly provided with a supporting spring (5), and one end of the movable block is fixedly provided with a cleaning block (7), one end of the dust filter is positioned at the outer side of the mounting box (6) and is attached to one side of the dust filter screen (25), a driving motor (10) is fixedly mounted at one side of the upper end inside the box body (1), a rotating rod (9) is fixedly mounted at the output end of the dust filter screen, a change gear (8) is fixedly mounted at one end of the dust filter screen, the change gear (8) is meshed with the bevel gear (22) to be connected, a humidifying structure (13) is fixedly mounted at one side inside the box body (1), a humidity sensor (15) is fixedly mounted at one side inside the box body (1), heating blocks (16) are fixedly mounted at both sides of one end inside the box body (1), a water tank (21) is fixedly mounted at the middle position of the lower end of the box body (1), a water pump (20) is fixedly mounted inside the water tank, and the output end of the water filter screen is fixedly connected with the humidifying structure (13) through a connecting hose, one side fixed mounting of water tank (21) upper end has back flow (19), its with the lower extreme fixed connection of humidification structure (13), one side fixed mounting on water tank (21) surface has watch-dog (18), its output respectively with water pump (20), heating block (16) with the input electric connection of driving motor (10).
2. An intelligent heating system apparatus according to claim 1, wherein: a limiting block (27) is fixedly mounted on one side inside the slot (29), a limiting groove (31) is formed in one side of the surface of the inserted rod (28), and the limiting block (27) is movably connected with the limiting groove (31).
3. An intelligent heating system apparatus according to claim 1, wherein: one end of the movable rod (24) penetrates through the mounting ring (36), and a pull ring (37) is fixedly mounted at the end.
4. An intelligent heating system apparatus according to claim 1, wherein: one side of the upper end of the interior of the box body (1) is respectively and fixedly provided with a humidity sensor (15) and a temperature sensor (17), the output end of the humidity sensor (15) is connected with the input end of the temperature sensor (17) and the monitor (18) in an electric connection mode.
5. An intelligent heating system apparatus according to claim 4, wherein: the lower extreme fixed mounting of box (1) inside one side has gaseous detection sensor (14), its output with temperature sensor (17) input with watch-dog (18) electric connection.
6. An intelligent heating system apparatus according to claim 1, wherein: the upper end fixed mounting of inside one side of box (1) has temperature sensor (17), the output of temperature sensor (17) with temperature sensor (17) input with watch-dog (18) electric connection.
7. An intelligent heating system apparatus according to claim 1, wherein: the monitor (18) is internally provided with a receiving module (39), a control module (40), a display module (41) and an information transmission module (38) respectively.
8. An intelligent heating system apparatus according to claim 7, wherein: the surface of watch-dog (18) is provided with display screen and button respectively, the input of display screen with display module (41) electric connection, the output of button with the input electric connection of control module (40).
CN202023046135.1U 2020-12-16 2020-12-16 Intelligent heating system device Active CN214038624U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023046135.1U CN214038624U (en) 2020-12-16 2020-12-16 Intelligent heating system device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023046135.1U CN214038624U (en) 2020-12-16 2020-12-16 Intelligent heating system device

Publications (1)

Publication Number Publication Date
CN214038624U true CN214038624U (en) 2021-08-24

Family

ID=77337987

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023046135.1U Active CN214038624U (en) 2020-12-16 2020-12-16 Intelligent heating system device

Country Status (1)

Country Link
CN (1) CN214038624U (en)

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