CN217423561U - Energy-saving optimization control device of ventilation air-conditioning system based on BAS system - Google Patents
Energy-saving optimization control device of ventilation air-conditioning system based on BAS system Download PDFInfo
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- CN217423561U CN217423561U CN202220624297.9U CN202220624297U CN217423561U CN 217423561 U CN217423561 U CN 217423561U CN 202220624297 U CN202220624297 U CN 202220624297U CN 217423561 U CN217423561 U CN 217423561U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 22
- 238000009423 ventilation Methods 0.000 title claims abstract description 21
- 238000005457 optimization Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 47
- 239000003973 paint Substances 0.000 claims description 3
- 230000003064 anti-oxidating effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 12
- 230000008859 change Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a ventilation air conditioning system energy-saving optimization control device based on BAS system, which comprises a controller main body, a hollow mounting sleeve seat is sleeved on the outer wall of a first supporting cylinder in a sliding way and a telescopic spring is stretched to drive an inclined plane inserting column to perform stretching work, so that the inclined plane inserting column can rapidly complete clamping work with a hemispherical column, and a conveniently-disassembled mounting mechanism can be conveniently and rapidly mounted, in addition, the inclined plane inserting column can be respectively contacted with the upper outer wall and the lower outer wall of a biconical frustum sleeve column by continuously sliding the hollow mounting sleeve seat, at the moment, the hollow mounting sleeve seat is pulled in the opposite direction, the inclined plane inserting column can drive the biconical frustum sleeve column to upwardly slide on the outer wall of a second supporting cylinder, when the biconical frustum sleeve column is contacted with the lower surface of the hemispherical column, the inclined plane inserting column can be respectively separated from the biconical frustum sleeve column and the hemispherical column, thereby facilitating the dismounting of the hollow mounting sleeve seat, the controller main body is convenient to replace, and therefore damage to equipment and an external fixed end is avoided.
Description
Technical Field
The utility model belongs to the technical field of controlling means is relevant, concretely relates to ventilation air conditioning system energy-conservation optimization control device based on BAS system.
Background
The BAS system is an integrated system configured to centrally monitor, control, and manage power, lighting, air conditioning, water supply and drainage, fire protection, transportation, security, and garage management devices or systems in a building or a building group; the system provides safe, comfortable, convenient and efficient working and living environment for owners and users by implementing comprehensive automatic monitoring and management on various devices of a building (group), and enables the whole system and various devices in the system to be in the optimal working state, thereby ensuring the economical efficiency of system operation and the modernization, informatization and intellectualization of management, and an energy-saving optimization control device can be used for controlling the ventilation and air-conditioning system.
When the existing energy-saving optimization control device is applied to control work of a ventilation air-conditioning system, the ventilation air-conditioning system can be controlled in an energy-saving and optimized mode, so that electric power resources can be saved, when the energy-saving optimization control device is installed and replaced, the energy-saving optimization control device is installed inside an external fixed end through a bolt or a nut, if the installation space of the external fixed end is narrow, workers can find that time is delayed for disassembling and assembling the energy-saving optimization control device, and the energy-saving optimization control device and the external fixed end are easy to deform or damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ventilation air conditioning system energy-conserving optimal control device based on BAS system to the dismouting energy-conserving optimal control device who provides in solving above-mentioned background art can delay time very much and cause energy-conserving optimal control device and outside stiff end's deformation or damage problem easily.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ventilation air conditioning system energy-conserving optimal control device based on BAS system, includes the controller main part, surface both sides electric connection has a plurality of pilot lamps in the controller main part, the installation guard plate is installed at both ends about the controller main part, the left side first binding post is installed to the outer terminal surface of installation guard plate, the right side second binding post is installed to the outer terminal surface of installation guard plate, just, tear formula installation mechanism open is installed in the lower surface four corners of controller main part.
Preferably, the conveniently-disassembled installation mechanism comprises a hollow installation sleeve seat and an installation base, a first support cylinder is fixedly connected to the middle part of the upper end of the installation base, a second support cylinder is fixedly connected to the middle part of the upper end of the first support cylinder, a biconical truncated cone sleeve column is slidably sleeved on one side, close to the upper surface of the first support cylinder, of the outer wall of the second support cylinder, a hemispherical column is fixedly connected to the second support cylinder, the hemispherical column, the second support cylinder and the biconical truncated cone sleeve column are inserted into the hollow installation sleeve seat, two symmetrical through anti-falling grooves are formed in the middle part of the hollow installation sleeve seat, two T-shaped round rods extending to the outer wall of the through anti-falling groove are slidably sleeved in the through anti-falling groove, telescopic springs are sleeved on the outer wall of the other side of the two T-shaped round rods, the telescopic springs are located in the through anti-falling groove, and inclined insertion columns are fixedly connected to the other ends of the two T-shaped round rods, and the inclined plane inserted column penetrates through the anti-drop groove and then extends into the hollow mounting sleeve seat, and meanwhile, the upper surface of the inclined plane inserted column is contacted with the lower surface of the hemispherical column.
Preferably, the direction of the inclined plane insertion column faces downwards, the diameter of the hemispherical column is the same as the inner diameter of the hollow mounting sleeve seat, the diameter of the first supporting cylinder is the same as the inner diameter of the hollow mounting sleeve seat, the inner diameter of the double-truncated-cone sleeve column is the same as the diameter of the second supporting cylinder, the outer diameter of the double-truncated-cone sleeve column is the same as the inner diameter of the hollow mounting sleeve seat, and four sides of the mounting base are provided with fixing round holes.
Preferably, the second connecting terminal is a power supply terminal, and the second connecting terminal is electrically connected with the indicator lamp on the right side.
Preferably, the first connection terminal is a control terminal connection terminal, and the first connection terminal is electrically connected with the indicator lamp on the left side.
Preferably, the indicator light is electrically connected to the controller main body.
Preferably, the controller main part is air conditioner energy-saving control ware, the internal thread hole that is used for the installation guard plate installation is offered in controller main part both ends four corners, controller main part outer wall scribbles insulating anti-oxidation paint layer structure.
Preferably, the four corners of the installation protection plate are provided with convex-shaped fixing round holes, and a sealing gasket is arranged at the joint of the installation protection plate and the controller main body.
Compared with the prior art, the utility model provides a ventilation air conditioning system energy-conservation optimization control device based on BAS system possesses following beneficial effect:
the utility model can slide and sleeve the outer wall of the first supporting column towards the direction of the mounting base through the hollow mounting sleeve seat, and can drive the inclined plane inserting column and the T-shaped round rod to slide back and forth in the run-through anti-drop groove through the expansion of the expansion spring, so that the semi-sphere column can rapidly complete the clamping work with the inclined plane inserting column, the hollow mounting sleeve seat can be rapidly sleeved on the outer walls of the semi-sphere column, the double-cone sleeve column and the first supporting column, and the rapid installation of the controller main body is facilitated, in addition, the hollow mounting sleeve seat can be slid continuously, and can drive the double-cone sleeve column to slide upwards on the outer wall of the second supporting column through the expansion of the expansion spring continuously, the inclined plane inserting column can be contacted with the outer walls of the upper and the lower sides of the double-cone sleeve column respectively, when the hollow mounting sleeve seat can not slide, and the inclined plane inserting column is contacted with the lower surface of the double-cone sleeve column, the hollow mounting sleeve seat is pulled in the opposite direction, so that the inclined plane inserting column can drive the double-cone sleeve column to slide upwards on the outer wall of the second supporting column, when the contact of biconical frustum sleeve column and second support cylinder's lower surface, through expanding and contracting of expanding spring, will drive the inclined plane and insert the post and carry out flexible work to make the inclined plane insert the post respectively with biconical frustum sleeve column and hemisphere post separation, make things convenient for the cavity mount sleeve seat to separate with hemisphere post, biconical frustum sleeve column and first support cylinder fast, just so make things convenient for the change of controller main part, avoid causing the damage of equipment and outside stiff end.
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 do not constitute a limitation on the invention, and in the drawings:
fig. 1 is a schematic structural view of an energy-saving optimization control device of a ventilation air-conditioning system based on BAS system according to the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1;
FIG. 3 is a front exploded cross-sectional structural schematic view of the easy-to-detach mounting mechanism;
FIG. 4 is an enlarged view of part A of FIG. 3;
in the figure: 1. a controller main body; 2. installing a protection plate; 3. a first connection terminal; 4. an indicator light; 5. a detachable installation mechanism; 51. a hollow mounting sleeve seat; 52. a hemispherical column; 53. installing a base; 54. a first support cylinder; 55. double cone frustum casing columns; 56. a second support cylinder; 57. inserting a column on the inclined plane; 58. a tension spring; 59. a T-shaped round bar; 510. the anti-drop groove is communicated; 6. and a second connection terminal.
Detailed Description
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 a technical solution: the utility model provides a ventilation air conditioning system energy-conserving optimal control device based on BAS system, includes controller main part 1, and 1 upper surface both sides electric connection of controller main part has a plurality of pilot lamps 4, and installation guard plate 2 is installed at both ends about controller main part 1, and first binding post 3 is installed to the outer terminal surface of left side installation guard plate 2, and second binding post 6 is installed to the outer terminal surface of right side installation guard plate 2, and formula installation mechanism 5 is just torn open to the lower surface four corners of controller main part 1.
In order to facilitate the installation of the controller main body 1, the detachable installation mechanism 5 comprises a hollow installation sleeve seat 51 and an installation base 53, wherein four sides of the installation base 53 are provided with fixing circular holes, the middle part of the upper end of the installation base 53 is fixedly connected with a first support cylinder 54, the diameter of the first support cylinder 54 is the same as the internal diameter of the hollow installation sleeve seat 51, the middle part of the upper end of the first support cylinder 54 is fixedly connected with a second support cylinder 56, one side of the outer wall of the second support cylinder 56, which is close to the upper surface of the first support cylinder 54, is slidably sleeved with a double-cone sleeve column 55, the internal diameter of the double-cone sleeve column 55 is the same as that of the second support cylinder 56, the external diameter of the double-cone sleeve column 55 is the same as that of the hollow installation sleeve seat 51, the second support cylinder 56 is fixedly connected with a semispherical column 52, the diameter of the semispherical column 52 is the same as that of the hollow installation sleeve seat 51, the hemispherical column 52, the second supporting column 56 and the biconical truncated cone socle 55 are inserted into the hollow mounting sleeve seat 51, two symmetrical through anti-falling grooves 510 are formed in the middle of the hollow mounting sleeve seat 51, the two through anti-falling grooves 510 are slidably sleeved with T-shaped round rods 59 extending to the outer wall of the through anti-falling grooves 510, the other side of the two T-shaped round rods 59 is sleeved with a telescopic spring 58, and the extension spring 58 is positioned in the through anti-drop groove 510, the other end of the two T-shaped round rods 59 is fixedly connected with an inclined plane inserting column 57, and the inclined insertion post 57 penetrates through the anti-drop groove 510 and then extends into the hollow mounting sleeve seat 51, meanwhile, the upper surface of the inclined plane inserting column 57 is contacted with the lower surface of the hemispherical column 52, the inclined plane of the inclined plane inserting column 57 faces downwards, the controller main body 1 is convenient to install and replace by the easy-to-detach mounting mechanism 5, and simultaneously, the supporting work can be better carried out by the easy-to-detach mounting mechanism 5.
The hollow mounting sleeve seat 51 is sleeved on the outer wall of the first supporting column 54 in a sliding manner towards the direction of the mounting base 53, and the extension and retraction of the extension spring 58 drive the inclined plane insertion column 57 and the T-shaped round rod 59 to slide in a reciprocating manner in the through anti-falling groove 510, so that the hemispherical column 52 can rapidly complete the clamping work with the inclined plane insertion column 57, the hollow mounting sleeve seat 51 can be conveniently sleeved on the outer walls of the hemispherical column 52, the biconical frustum sleeve column 55 and the first supporting column 54, and the controller main body 1 can be rapidly mounted, in addition, by continuously sliding the hollow mounting sleeve seat 51 and continuously extending and retracting the extension spring 58, the inclined plane insertion column 57 can be respectively contacted with the upper outer wall and the lower outer wall of the biconical frustum sleeve column 55, the hollow mounting sleeve seat 51 can not slide, and when the inclined plane insertion column 57 is contacted with the lower surface of the biconical frustum sleeve column 55, the hollow mounting sleeve seat 51 is pulled in the opposite direction, the inclined plane inserted column 57 can drive the double-cone sleeve column 55 to slide upwards on the outer wall of the second supporting cylinder 56, when the lower surfaces of the double-cone sleeve column 55 and the second supporting cylinder 56 are in contact, the inclined plane inserted column 57 can be driven to stretch through the stretching of the telescopic spring 58, so that the inclined plane inserted column 57 is separated from the double-cone sleeve column 55 and the hemispherical column 52 respectively, the hollow mounting sleeve seat 51 can be separated from the hemispherical column 52, the double-cone sleeve column 55 and the first supporting cylinder 54 quickly, and the controller main body 1 can be replaced conveniently.
For better connection with an external power supply, the second connection terminal 6 is a power supply terminal, the second connection terminal 6 is electrically connected with the indicator lamp 4 on the right side, and the second connection terminal 6 can be better electrically connected with the external power supply.
In order to perform the electrical connection work of the external device, the first connection terminal 3 is a control terminal connection terminal, the first connection terminal 3 is electrically connected with the indicator lamp 4 on the left side, and the electrical connection work with the external device can be better performed through the first connection terminal 3.
In order to monitor, the indicator lamp 4 is electrically connected with the controller body 1, and the monitoring can be better performed through the indicator lamp 4, so that the working personnel can conveniently judge whether the controller body 1 is connected with an external power supply and external equipment.
In order to control work, the controller main body 1 is an air conditioner energy-saving controller, four corners of two ends of the controller main body 1 are provided with internal thread holes for installing the protection plates 2, the outer wall of the controller main body 1 is coated with an insulating oxidation-resistant paint layer structure, energy-saving control work can be better carried out through the controller main body 1, and meanwhile, the controller main body can also be used for better installing work.
In order to carry out the guard work, the fixed round hole of type shape has been seted up in the four corners of installation guard plate 2, and the junction of installation guard plate 2 and controller main part 1 is equipped with sealed the pad, through installation guard plate 2, can carry out the guard work better, simultaneously through installation guard plate 2, can carry out the guard work better and support work.
The utility model discloses a theory of operation and use flow: before use, a worker fixedly connects the mounting base 53 and the external fixed end through bolts and nuts, so that the mounting base 53, the first supporting cylinder 54, the biconical frustum sleeve column 55 and the semispherical column 52 in the detachable mounting mechanism 5 are fixedly connected with the external fixed end, after the mounting base 53, the first supporting cylinder 54, the biconical frustum sleeve column 55 and the semispherical column 52 in the four detachable mounting mechanisms 5 are fixedly connected with the external fixed end, the worker electrically connects the second wiring terminal 6 with an external power supply and also electrically connects the first wiring terminal 3 with external equipment, then the four hollow mounting sleeve seats 51 below the worker controller main body 1 are aligned with the four semispherical columns 52, the hollow mounting sleeve seats 51 are slidably sleeved on the outer wall of the first supporting cylinder 54 towards the direction of the mounting base 53, the hollow mounting sleeve seats 51 are slidably sleeved on the semispherical columns 52, when the inclined plane inserting column 57 is in contact with the surface of the hemispherical column 52, the inclined plane inserting column 57 and the T-shaped round rod 59 are driven to slide in a reciprocating manner in the through anti-falling groove 510 through the expansion of the expansion spring 58, so that the hemispherical column 52 can quickly complete clamping work with the inclined plane inserting column 57, the hollow mounting sleeve seat 51 can be conveniently and quickly sleeved on the outer walls of the hemispherical column 52, the biconical truncated cone sleeve column 55 and the first supporting round column 54, and the controller main body 1 can be quickly mounted after the four conveniently detachable mounting mechanisms 5 complete quick mounting work;
when the controller is used, the controller main body 1 with the model number of U1 is powered on by switching on an external power supply, so that the controller main body 1 can control a ventilation air-conditioning system in an energy-saving and optimized manner, power resources can be saved, in the whole control process, the connection condition of the power supply and the connection condition of external equipment can be monitored through the indicator lamp 4, and a worker can conveniently judge whether the controller main body 1 is connected with the power supply and the external equipment;
when the controller body 1 is replaced, the operator pushes the controller body 1 toward the mounting base 53, so that the hollow mounting sleeve 51 continues to slide on the outer wall of the first supporting cylinder 54 toward the mounting base 53, when the inclined plane insertion column 57 contacts the upper surface of the biconical truncated cone sleeve column 55, the expansion spring 58 expands to work, so that the inclined plane insertion column 57 expands and contracts, the inclined plane insertion column 57 is convenient to contact with the outer walls of the upper and lower sides of the biconical truncated cone sleeve column 55, the hollow mounting sleeve 51 cannot slide, and when the inclined plane insertion column 57 contacts the lower surface of the biconical truncated cone sleeve column 55, the operator pulls the controller body 1 in the opposite direction, so that the hollow mounting sleeve 51 is driven to slide on the outer wall of the first supporting cylinder 54, and the inclined plane insertion column 57 drives the biconical truncated cone sleeve column 55 to slide on the outer wall of the second supporting cylinder 56, when the contact of the lower surface of the biconical truncated cone socle 55 and the second support cylinder 56, through the flexible of the extension spring 58, will continue to drive the inclined plane to insert the post 57 and stretch out and draw back the work, thereby make the inclined plane insert the post 57 and separate with the biconical truncated cone socle 55 and the hemisphere post 52 respectively, make things convenient for the cavity mount sleeve seat 51 can be fast with hemisphere post 52, the separation of biconical truncated cone socle 55 and first support cylinder 54, thereby made things convenient for controller main part 1 to disassemble and change, simultaneously, avoid causing the damage of equipment and outside stiff end.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A ventilation air conditioning system energy-saving optimization control device based on BAS system, including controller main body (1), its characterized in that: controller main part (1) upper surface both sides electric connection has a plurality of pilot lamps (4), installation guard plate (2), left side are installed at both ends about controller main part (1) first binding post (3) are installed to the outer terminal surface of installation guard plate (2), the right side second binding post (6) are installed to the outer terminal surface of installation guard plate (2), just tear formula installation mechanism (5) open are installed in the lower surface four corners of controller main part (1).
2. The BAS system-based energy-saving optimization control device for the ventilation and air-conditioning system according to claim 1, wherein: the conveniently-disassembled installation mechanism (5) comprises a hollow installation sleeve seat (51) and an installation base (53), the middle part of the upper end of the installation base (53) is fixedly connected with a first supporting cylinder (54), the middle part of the upper end of the first supporting cylinder (54) is fixedly connected with a second supporting cylinder (56), one side, close to the upper surface of the first supporting cylinder (54), of the outer wall of the second supporting cylinder (56) is sleeved with a biconical truncated cone sleeve column (55) in a sliding mode, the second supporting cylinder (56) is fixedly connected with a hemispherical column (52), the second supporting cylinder (56) and the biconical truncated cone sleeve column (55) are inserted into the hollow installation sleeve seat (51), two symmetrical through anti-falling grooves (510) are formed in the middle part of the hollow installation sleeve seat (51), and T-shaped round rods (59) extending to the outer wall of the through anti-falling grooves (510) are sleeved in a sliding mode in the two through anti-falling grooves (510) in a sliding mode, two expanding spring (58) have been cup jointed to T shape pole (59) opposite side outer wall, and expanding spring (58) are located to link up anticreep groove (510) inside, two T shape pole (59) other end fixedly connected with inclined plane inserts post (57), and inclined plane insert post (57) and run through to stretch into cavity installation cover seat (51) behind anticreep groove (510) inside, the lower surface contact of the upper surface of inserting post (57) and hemisphere post (52) on the inclined plane simultaneously.
3. The BAS system-based energy-saving optimization control device for the ventilation and air-conditioning system according to claim 2, wherein: the inclined plane of the inclined plane inserting column (57) faces downwards, the diameter of the hemispherical column (52) is the same as the inner diameter of the hollow mounting sleeve seat (51), the diameter of the first supporting cylinder (54) is the same as the inner diameter of the hollow mounting sleeve seat (51), the inner diameter of the double-cone sleeve column (55) is the same as the diameter of the second supporting cylinder (56), the outer diameter of the double-cone sleeve column (55) is the same as the inner diameter of the hollow mounting sleeve seat (51), and fixing round holes are formed in four sides of the mounting base (53).
4. The BAS system-based energy-saving optimization control device for the ventilation and air-conditioning system according to claim 1, wherein: the second wiring terminal (6) is a power supply end wiring terminal, and the second wiring terminal (6) is electrically connected with the indicator lamp (4) on the right side.
5. The BAS system-based energy-saving optimization control device for the ventilation and air-conditioning system according to claim 1, wherein: first binding post (3) are control end connecting terminal, first binding post (3) are connected with left pilot lamp (4) electricity.
6. The BAS system-based energy-saving optimization control device for the ventilation and air-conditioning system according to claim 1, wherein: the indicator light (4) is electrically connected with the controller main body (1).
7. The BAS system-based energy-saving optimization control device for ventilation and air-conditioning system according to claim 1, wherein: the controller main part (1) is an air conditioner energy-saving controller, an internal thread hole used for installing the protection plate (2) is arranged at four corners of two ends of the controller main part (1), and the outer wall of the controller main part (1) is coated with an insulating anti-oxidation paint layer structure.
8. The BAS system-based energy-saving optimization control device for the ventilation and air-conditioning system according to claim 1, wherein: the four corners of the installation protection plate (2) are provided with convex-shaped fixing round holes, and a sealing gasket is arranged at the joint of the installation protection plate (2) and the controller main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220624297.9U CN217423561U (en) | 2022-03-21 | 2022-03-21 | Energy-saving optimization control device of ventilation air-conditioning system based on BAS system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220624297.9U CN217423561U (en) | 2022-03-21 | 2022-03-21 | Energy-saving optimization control device of ventilation air-conditioning system based on BAS system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217423561U true CN217423561U (en) | 2022-09-13 |
Family
ID=83181623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220624297.9U Expired - Fee Related CN217423561U (en) | 2022-03-21 | 2022-03-21 | Energy-saving optimization control device of ventilation air-conditioning system based on BAS system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217423561U (en) |
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2022
- 2022-03-21 CN CN202220624297.9U patent/CN217423561U/en not_active Expired - Fee Related
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Granted publication date: 20220913 |