CN204852374U - Many grades of regulation blast gates, ventilation pipe -line system and air conditioners - Google Patents
Many grades of regulation blast gates, ventilation pipe -line system and air conditioners Download PDFInfo
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- CN204852374U CN204852374U CN201520571353.7U CN201520571353U CN204852374U CN 204852374 U CN204852374 U CN 204852374U CN 201520571353 U CN201520571353 U CN 201520571353U CN 204852374 U CN204852374 U CN 204852374U
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- aerated area
- rotating shaft
- connecting rod
- control unit
- many grades
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Abstract
The utility model relates to an air conditioner provides one kind many grades regulation blast gates, including first frame, first frame is separated and is first ventilation region and second ventilation region, and the interval was provided with a plurality of first blades in first ventilation was regional, and the interior interval in second ventilation region is provided with a plurality of second blades, still is provided with a control assembly and the 2nd control assembly on first frame, still provide a ventilation pipe -line system, including the above -mentioned blast gate of adjusting, still provide an air conditioner, including above -mentioned pipe -line system. The utility model discloses an in adjusting the blast gate, with first frame separate for first ventilations regional with second two the regional parts of ventilating, then adopt manual and electronic dual mode to control between them opening and shutting respectively, can form the purpose of many grades of regulations through both combinations, it is simple structure not only, and on being applied to pipe -line system and air conditioner the time, installation and debugging are convenience relatively all, the reliability height.
Description
Technical field
The utility model relates to air conditioner, particularly relates to a kind of many grades of adjusting air valves, air pipeline system and air conditioners.
Background technique
In current ventilation and air conditioning system, according to the needs of fire working and energy-saving run, often need to carry out many grades of adjustments to the branch road of wind system, therefore, many grades of regulating valves are used widely.
Along with the extensive use of such valve, problem wherein also constantly occurs, traditional electric actuator can only perform the function of switch, and many grades of functions will be realized, control point must be increased, extra control unit is set, increase the complexity controlled, add the rate of fault of equipment.
Simultaneously, the many grades of positions (intervening gears) regulated need be debugged according to air balance, and the debugging of the air balance of wind system itself is exactly a very difficult job, therefore cause debugging more difficult, thus cause in the engineering of reality, be difficult to realize predetermined design idea.
In addition, multi-gear valve adds the control contact of intervening gears, has a process judged during final controlling element action, thus causes its actuation time long, and systematic evaluation is slow, also brings certain potential safety hazard to the conversion of system condition.
Model utility content
The purpose of this utility model is to provide a kind of many grades of adjusting air valves, is intended to for solving multi-gear valve complex structure in existing air-conditioning system, and the problem of inconvenient debugging.
The utility model is achieved in that
The utility model provides a kind of many grades of adjusting air valves, comprise the first framework, described first framework is divided into the first aerated area and the second aerated area, some first blades are arranged at intervals with in described first aerated area, be arranged at intervals with some second blades in described second aerated area, be also provided with on described first framework and open or close the first control unit of described first aerated area for manually ordering about each described first blade and order about for electronic the second control unit that each described second blade opens or closes described second aerated area.
Particularly, be arranged at intervals with successively in described first aerated area and order about some first rotating shafts around own axis by described first control unit, each described first blade and each described first rotating shaft one_to_one corresponding, and the first blade described in each is all installed in described first rotating shaft corresponding with it.
Further, described first control unit comprises and to be arranged on described first framework and can the first long connecting rod of movement along its length, the length direction of described first long connecting rod is perpendicular to the length direction of each described first rotating shaft, described first long connecting rod is also provided with and each described first rotating shaft some first short connecting rods one to one, a wherein end of the first short connecting rod described in each and described long connecting rod are rotatably connected, and the other end to be rotatably connected described first rotating shaft corresponding with it by another quarter butt.
Further, described first control unit also comprises the handle with sleeve ordering about described first long connecting rod movement and the angle scale with scale value, described handle with sleeve and described first long connecting rod are rotatably connected, and the scale value of described angle scale is arranged along the rotary motion trace of described handle with sleeve.
Particularly, be disposed with in described second aerated area and order about some second rotating shafts around own axis by described second control unit, each described second rotating shaft and each described second blade one_to_one corresponding, and the second blade described in each is all installed in described second rotating shaft corresponding with it, described second control unit comprises the drive motor controlling each described second axis of rotation.
Further, described second control unit also comprises orders about by described drive motor some second short connecting rods that the second long connecting rod of movement along its length and one end and described second long connecting rod be rotatably connected, the length direction of described second long connecting rod perpendicular to the length direction of each described second rotating shaft, the other end of each described second short connecting rod all by quarter butt with and its corresponding described second rotating shaft be rotatably connected.
Further, described second control unit also comprises orders about the some gears of rotation by described drive motor, each described gear and each described second rotating shaft one_to_one corresponding, and geared sleeve described in each is located in described second rotating shaft corresponding with it, described in adjacent two, gear engages each other, wherein gear described in one and described drive motor engagement driving.
Further, also comprise second framework with the 3rd aerated area, some Three-blade are provided with in described 3rd aerated area, on described second framework, be provided with the 3rd control unit of opening or closing described 3rd aerated area for ordering about each described Three-blade, and described 3rd aerated area is plugged on the stream of described first aerated area and described second aerated area.
The utility model also provides a kind of air pipeline system, comprises the air pipeline with at least one branch road, also comprises the many grades of adjusting air valves that at least one is above-mentioned, and the first framework described in each is plugged in wherein in branch road described in.
The utility model also provides a kind of air conditioner, comprises air conditioner main body, also comprises above-mentioned air pipeline system, and the exhaust outlet of described air conditioner main body is communicated to described air pipeline.
The utility model has following beneficial effect:
In adjusting air valve of the present utility model, first framework is divided into the first aerated area and the second aerated area two parts, and separate between the first blade of the first aerated area and the second blade of the second aerated area and control, both mutual noninterferences, Non-follow control is adopted to open or close the first aerated area for each first blade in addition, each second blade then adopts Electronic control to open or close the second aerated area, this adjusting air valve is adopted to the folding manually controlling the first framework two aerated areas with the electronic mode combined, the many grades of objects regulated can be played, not only structure is simple, and this many grades regulate without the need to debugging according to air balance, when being applied in pipe-line system and air conditioner, install and run debugging cycle shorter, effectively can improve reliability.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the many grades of adjusting air valves that Fig. 1 provides for the utility model embodiment;
Fig. 2 is that the A of Fig. 1 is to side view;
Fig. 3 is that the B of Fig. 1 is to side view;
Fig. 4 be the first aerated area of the many grades of adjusting air valves of Fig. 1 open and second aerated area close time structural representation;
Fig. 5 is the first aerated area of the many grades of adjusting air valves of Fig. 1 and the second aerated area structural representation when all opening;
Fig. 6 for the utility model embodiment provide there is many grades of adjusting air valve complete shut-downs of the second framework time structural representation;
Fig. 7 is the structural representations of many grades of adjusting air valve parts with the second framework of Fig. 6 when opening;
Fig. 8 be Fig. 6 there is many grades of adjusting air valve standard-sized sheets of the second framework time structural representation.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
See Fig. 1, Fig. 4 and Fig. 5, the utility model embodiment provides a kind of many grades of adjusting air valves, comprise the first framework 1, the frame inner region of the first framework 1 is divided into the first aerated area 11 and the second aerated area 12 two parts, some first blades 111 are provided with in the first aerated area 11, some second blades 121 are provided with in second aerated area 12, each first blade 111 and each second blade 121 all set gradually according to a definite sequence, and it is all spaced apart between adjacent two the first blades 111 and adjacent two the second blades 121, first framework 1 is also provided with the first control unit 13 and the second control unit 14, first control unit 13 is mainly used in acting on each first blade 111, make each first blade 111 can open or close the first aerated area 11, and the second control unit 14 is mainly used in acting on each second blade 121, make each second blade 121 can open or close the second aerated area 12, mechanically operated mode is adopted to control each first blade 111 completely for the first control unit 13 in addition, it needs manually-operable, can be used as the intervening gears of adjusting air valve, second control unit 14 adopts electronic mode to control each second blade 121 action, telecontrol is carried out by circuit.In the utility model, first framework 1 is frame structure, some frames are adopted to enclose formation close mouth, then another frame separate sealed mouth is adopted, these frame both sides form the first aerated area 11 and the second aerated area 12, and namely two aerated areas are arranged side by side, and it can also adopt other structural type, such as the first aerated area 11 surrounds the second aerated area 12, or the second aerated area 12 surrounds the first aerated area 11.When separation first aerated area 11 and the second aerated area 12, both areas are not reciprocity, namely the second aerated area 12 is greater than the first aerated area 11 or the second aerated area 12 is less than the first aerated area 11, if and the first control unit 13 is installed on the frame of the first aerated area 11 when both are arranged side by side, second control unit 14 is installed on the frame of the second aerated area 12, when adjusting air valve works, only manually can need regulate and open the first aerated area 11, second aerated area 12 and close; Also can close the first aerated area 11, electronicly open the second aerated area 12; The first aerated area 11 and the second aerated area 12 can also be opened simultaneously.In above-mentioned working procedure, manually switch-mode regulation and motor switch regulate the mode combined make two aerated areas of the first framework 1 because folding is formed multiple air vent mode, and then the many grades of objects regulated can be reached, and it is not only relatively simple for structure for this many grades of regulative modes, simultaneously without the need to carrying out intervening gears debugging according to air balance, effectively can reduce installation and the debugging cycle of adjusting air valve, improve the reliability of adjusting air valve.
See Fig. 1 and Fig. 2, the above-mentioned manual control mode of refinement, some first rotating shafts 112 are arranged at intervals with successively in first aerated area 11, first control unit 13 can control each first rotating shaft 112 around own axis, each first blade 111 and each first rotating shaft 112 one_to_one corresponding, and each first blade 111 is installed in the first rotating shaft 112 corresponding with it.Each first rotating shaft 112 is all arranged in order according to a definite sequence, spaced and parallel setting between each first rotating shaft 112, when the first control unit 13 drives each first rotating shaft 112 synchronous axial system, each first blade 111 then can be driven around the first rotating shaft 112 synchronous rotary of correspondence, and under a certain state, contact with each other between adjacent two the first blades 111, now the first aerated area 11 is closed, and after the first control unit 13 drives each first blade 111 to rotate, depart between adjacent two the first blades 111, the first aerated area 11 is opened.For the first control unit 13, mainly comprise one first long connecting rod 131, first long connecting rod 131 to be arranged on the first framework 1 and near the first aerated area 11, its length bearing of trend is perpendicular to the length bearing of trend of each first rotating shaft 112, first long connecting rod 131 is also provided with some first short connecting rods 132, each first short connecting rod 132 and each first rotating shaft 112 one_to_one corresponding, and for being rotatably connected between a wherein end of each the first short connecting rod 132 and the first long connecting rod 131, the other end place has been rotatably connected a quarter butt, this quarter butt also and between the first corresponding rotating shaft 112 is rotatably connected.To this when driving first long connecting rod 131 moves along its length direction, first long connecting rod 131 drives a wherein end of each first short connecting rod 132 to move, and relatively rotate between the two, the transmission effect then through the first short connecting rod 132 and quarter butt makes the first corresponding rotating shaft 112 around own axis.In above-mentioned transmission process, user manually can order about the first long connecting rod 131 and move along its length, and then can realize opening and closedown of the first aerated area 11, and structure is simple, easy to operate.
Further, first control unit 13 also includes handle with sleeve 133 and angle scale 134, handle with sleeve 133 and the first long connecting rod 131 are rotatably connected, and it can rotate around axis, and angle scale 134 is arranged on the first framework 1 and scale value is arranged along the rotary motion trace of handle with sleeve 133.Particularly, two drive links are yet provided with between handle with sleeve 133 and the first long connecting rod 131, wherein a drive link is fixedly connected with handle with sleeve 133, one end and first long connecting rod 131 of another drive link are rotatably connected, then for being rotatably connected between two drive links, rotating this handle with sleeve 133 to drive the rotate axis of active handle 133 of a wherein drive link to rotate, and then by the transmission effect of another drive link, the first long connecting rod 131 is moved along its length.For the rotation angle that angle scale 134 is for measuring handle with sleeve 133, the rotation angle of each first blade 111 can be judged by the rotation angle of handle with sleeve 133, and then control the opening degree of the first aerated area 11.
See Fig. 1 and Fig. 3, the structure of refinement Electronic control, some second rotating shafts 122 are arranged at intervals with successively in second aerated area 12, second control unit 14 can control each first rotating shaft 112 around own axis, each second blade 121 and each second rotating shaft 122 one_to_one corresponding, and each second blade 121 is installed in the second rotating shaft 122 corresponding with it.Each second rotating shaft 122 is all arranged in order according to a definite sequence, and spaced and parallel setting between each second rotating shaft 122, when the second control unit 14 drives each second rotating shaft 122 synchronous axial system, each second blade 121 then can be driven around the second rotating shaft 122 synchronous rotary of correspondence, and under a certain state, contact with each other between adjacent two the second blades 121, now the second aerated area 12 is closed, and after the second control unit 14 drives each second blade 121 to rotate, depart between adjacent two the second blades 121, the second aerated area 12 is opened.The structure of the first aerated area 11 and the second aerated area 12 is similar, all to open it or to close by the rotation of blade, but the second control unit 14 should include drive motor 141, each second rotating shaft 122 synchronous rotary is rotarily driven by drive motor 141 output shaft, user only need control the unlatching of drive motor 141 to realize opening or closing of the second aerated area 12, and operation is very easy.Usually on the first framework 1, be also provided with terminal box 142, this terminal box 142 is electrically connected with drive motor 141, simultaneously can also external control circuit, makes user can opening or closing at distant control second aerated area 12.
Drive each second rotating shaft 122 synchronous axial system can have various structures form for drive motor 141, such as the second control unit 14 also includes the second long connecting rod 143 and some second short connecting rods 144, second long connecting rod 143 to be arranged on the first framework 1 and near the second aerated area 12, its length bearing of trend is perpendicular to the length bearing of trend of each second rotating shaft 122, each second short connecting rod 144 and each second rotating shaft 122 one_to_one corresponding, and for being rotatably connected between a wherein end of each the second short connecting rod 144 and the second long connecting rod 143, the other end place has been rotatably connected a quarter butt, this quarter butt also and between the second corresponding rotating shaft 122 is rotatably connected.In this structural type, the similar of itself and the first control unit 13, but at drive part, order about handle with sleeve 133 by user and rotate the output shaft rotation being adjusted to drive motor 141, the output shaft of drive motor 141 is connected with also adopting two drive links between the second long connecting rod 143, and then can order about the second long connecting rod 143 move along its length after the output shaft rotation of drive motor 141.In another kind of structural type, second control unit 14 also comprises some gear (not shown)s, each gear and each second rotating shaft 122 one_to_one corresponding, each gear is all sheathed in the second rotating shaft 122 corresponding with it, both can synchronous axial system, wherein the output shaft of a gear and drive motor 141 is connected with a joggle, and also engages each other between adjacent two gears.To this can to order about when drive motor 141 output shaft rotates with it you and gear rotate, the second rotating shaft 122 that this gear driven is corresponding with it and the adjacent gear engaged with it are rotated, and then each second rotating shaft 122 is all rotated around respective axis.
See Fig. 6-Fig. 8, further, adjusting air valve also includes the second framework 2, second framework 2 has the 3rd aerated area 21, some Three-blade 211 are provided with in it, each Three-blade 211 all arranges according to a definite sequence in the 3rd aerated area 21, second framework 2 is provided with the 3rd control unit 22, each Three-blade 211 can be ordered about by the 3rd control unit 22 and open or close the 3rd aerated area 21, and when adjusting air valve is applied on air pipeline, second framework 2 is connected with the first framework 1, second aerated area 12 can play the effect of shutoff first aerated area 11 and the second aerated area 12.In the present embodiment, adjusting air valve also has additional the 3rd aerated area 21, air-flow needs first through the 3rd aerated area 21, then through the first aerated area 11 or the second aerated area 12, namely when each Three-blade 211 is closed, then the first aerated area 11 and the second aerated area 12 all do not have air-flow to pass through.3rd aerated area 21 combines with the first aerated area 11 and the second aerated area 12 and makes adjusting air valve have three kinds of ventilation states under the effect of the 3rd control unit 22, be respectively complete shut-down, part is opened and standard-sized sheet, when the 3rd aerated area 21 is closed, adjusting air valve is closed condition, and when the 3rd aerated area 21 and the first aerated area 11 are all opened, when second aerated area 12 is closed, adjusting air valve is part opening state, and when the 3rd aerated area 21, when first aerated area 11 and the second aerated area 12 are all opened, adjusting air valve is full-gear.When practical application, first the 3rd aerated area 21 can be opened, close the second aerated area 12, then the aperture of each first blade 111 of manual tune, make it to reach design air flow, thus complete the initial adjustment of adjusting air valve, during adjusting air valve work, first aerated area 11 remains this state, then the conversion of adjusting air valve three kinds of states is realized by adjustment second aerated area 12 and the 3rd aerated area 21, more convenient, and can avoid that there is in pipeline flue gas discharge by the adjusting air valve of this structural type.Can adopt for the 3rd control unit 22 structure that second control unit 14 is identical, adopt opening or closing of electronic telecontrol the 3rd aerated area 21, do not repeat them here.
See Fig. 1 and Fig. 4-Fig. 8, the utility model embodiment also provides a kind of air pipeline system, comprise air pipeline, this air pipeline has at least one branch road 3, pipe-line system also includes at least one above-mentioned adjusting air valve, and the first framework 1 of each adjusting air valve is all plugged in the port of a wherein branch road 3.In the present embodiment, can be provided with above-mentioned adjusting air valve in the branch road 3 of air pipeline, can be realized many grades of adjustments of this branch road 3 air-out by this adjusting air valve, debugging is convenient, has higher reliability.
The utility model embodiment also provides a kind of air conditioner, comprises air conditioner main body and above-mentioned pipe-line system, and the exhaust outlet of air conditioner main body is communicated to the air pipeline of this pipe-line system.In the present embodiment, above-mentioned pipe-line system is applied in air conditioner, certainly this air conditioner should be central air-conditioner, the central air-conditioning system of such as subway, the cold wind that air conditioner main body produces each branch road 3 of system by the road can drain into working space, and when application in branch road 3 has adjusting air valve, this branch road 3 can be made to have many grades of regulatory functions.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. many grades of adjusting air valves, comprise the first framework, it is characterized in that: described first framework is divided into the first aerated area and the second aerated area, some first blades are arranged at intervals with in described first aerated area, be arranged at intervals with some second blades in described second aerated area, be also provided with on described first framework and open or close the first control unit of described first aerated area for manually ordering about each described first blade and order about for electronic the second control unit that each described second blade opens or closes described second aerated area.
2. many grades of adjusting air valves as claimed in claim 1, it is characterized in that: be arranged at intervals with successively in described first aerated area and order about some first rotating shafts around own axis by described first control unit, each described first blade and each described first rotating shaft one_to_one corresponding, and the first blade described in each is all installed in described first rotating shaft corresponding with it.
3. many grades of adjusting air valves as claimed in claim 2, it is characterized in that: described first control unit comprises and to be arranged on described first framework and can the first long connecting rod of movement along its length, the length direction of described first long connecting rod is perpendicular to the length direction of each described first rotating shaft, described first long connecting rod is also provided with and each described first rotating shaft some first short connecting rods one to one, a wherein end of the first short connecting rod described in each and described long connecting rod are rotatably connected, and the other end to be rotatably connected described first rotating shaft corresponding with it by another quarter butt.
4. many grades of adjusting air valves as claimed in claim 3, it is characterized in that: described first control unit also comprises the handle with sleeve ordering about described first long connecting rod movement and the angle scale with scale value, described handle with sleeve and described first long connecting rod are rotatably connected, and the scale value of described angle scale is arranged along the rotary motion trace of described handle with sleeve.
5. many grades of adjusting air valves as claimed in claim 1, it is characterized in that: be disposed with in described second aerated area and order about some second rotating shafts around own axis by described second control unit, each described second rotating shaft and each described second blade one_to_one corresponding, and the second blade described in each is all installed in described second rotating shaft corresponding with it, described second control unit comprises the drive motor controlling each described second axis of rotation.
6. many grades of adjusting air valves as claimed in claim 5, it is characterized in that: described second control unit also comprises orders about by described drive motor some second short connecting rods that the second long connecting rod of movement along its length and one end and described second long connecting rod be rotatably connected, the length direction of described second long connecting rod perpendicular to the length direction of each described second rotating shaft, the other end of each described second short connecting rod all by quarter butt with and its corresponding described second rotating shaft be rotatably connected.
7. many grades of adjusting air valves as claimed in claim 5, it is characterized in that: described second control unit also comprises orders about the some gears of rotation by described drive motor, each described gear and each described second rotating shaft one_to_one corresponding, and geared sleeve described in each is located in described second rotating shaft corresponding with it, described in adjacent two, gear engages each other, wherein gear described in one and described drive motor engagement driving.
8. many grades of adjusting air valves as claimed in claim 1, it is characterized in that: also comprise second framework with the 3rd aerated area, some Three-blade are provided with in described 3rd aerated area, on described second framework, be provided with the 3rd control unit of opening or closing described 3rd aerated area for ordering about each described Three-blade, and described 3rd aerated area is plugged on the stream of described first aerated area and described second aerated area.
9. an air pipeline system, comprises the air pipeline with at least one branch road, it is characterized in that: also comprise at least one many grades of adjusting air valve as described in any one of claim 1-8, and the first framework described in each is plugged in wherein in branch road described in.
10. an air conditioner, comprises air conditioner main body, it is characterized in that: also comprise air pipeline system as claimed in claim 9, and the exhaust outlet of described air conditioner main body is communicated to described air pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571353.7U CN204852374U (en) | 2015-07-31 | 2015-07-31 | Many grades of regulation blast gates, ventilation pipe -line system and air conditioners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571353.7U CN204852374U (en) | 2015-07-31 | 2015-07-31 | Many grades of regulation blast gates, ventilation pipe -line system and air conditioners |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852374U true CN204852374U (en) | 2015-12-09 |
Family
ID=54742920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520571353.7U Withdrawn - After Issue CN204852374U (en) | 2015-07-31 | 2015-07-31 | Many grades of regulation blast gates, ventilation pipe -line system and air conditioners |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852374U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065686A (en) * | 2015-07-31 | 2015-11-18 | 中铁第四勘察设计院集团有限公司 | Multi-gear adjusting air valve, ventilation pipeline system and air conditioner |
| CN108037687A (en) * | 2018-01-16 | 2018-05-15 | 江苏华东正大空调设备有限公司 | A kind of control method for continuously adjusting control cabinet and its control system |
| CN113606349A (en) * | 2021-08-10 | 2021-11-05 | 江苏长虹智能装备股份有限公司 | Shunting blast gate |
-
2015
- 2015-07-31 CN CN201520571353.7U patent/CN204852374U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065686A (en) * | 2015-07-31 | 2015-11-18 | 中铁第四勘察设计院集团有限公司 | Multi-gear adjusting air valve, ventilation pipeline system and air conditioner |
| CN105065686B (en) * | 2015-07-31 | 2017-10-31 | 中铁第四勘察设计院集团有限公司 | Multi-gear adjustment air-valve, air pipeline system and air conditioner |
| CN108037687A (en) * | 2018-01-16 | 2018-05-15 | 江苏华东正大空调设备有限公司 | A kind of control method for continuously adjusting control cabinet and its control system |
| CN113606349A (en) * | 2021-08-10 | 2021-11-05 | 江苏长虹智能装备股份有限公司 | Shunting blast gate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151209 Effective date of abandoning: 20171031 |