CN206861808U - Ventilation equipment and cooling system - Google Patents
Ventilation equipment and cooling system Download PDFInfo
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- CN206861808U CN206861808U CN201720763003.XU CN201720763003U CN206861808U CN 206861808 U CN206861808 U CN 206861808U CN 201720763003 U CN201720763003 U CN 201720763003U CN 206861808 U CN206861808 U CN 206861808U
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- temperature
- blower fan
- detecting device
- ventilation equipment
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Abstract
The utility model provides a kind of ventilation equipment and cooling system, is related to the technical field of temperature adjusting, and the ventilation equipment include temperature-detecting device, control unit and n blower fan, and the blower fan is used to discharge the air of interior, and n is the integer more than or equal to 2；The temperature-detecting device is used for the temperature for detecting interior, and when the temperature of the temperature-detecting device measurement is higher than the maximum in preset temperature range, described control unit controls m blower fan to open；When the temperature of the temperature-detecting device measurement is less than the minimum value in preset temperature range, described control unit controls m blower fan to close, n >=m >=1, and m is integer.During the time produces, it is no longer necessary to which staff to blower fan open and close, and by the temperature in nernst cell, ventilation equipment open the blower fan of respective numbers, so as to reach the purpose for saving the energy according to indoor temperature.
Description
Technical field
The technical field of temperature adjusting is the utility model is related to, more particularly, to a kind of ventilation equipment and cooling system.
Background technology
Lithium carbonate can be used for potting porcelain, medicine, catalyst etc., and conventional lithium ion battery raw material.Its production process
In need to use electrodialysis, electrodialysis carries out the separation of ion in the presence of DC electric field.
And provide the rectifier transformer of the energy for electrodialysis, rectifier cabinet needs to discharge substantial amounts of heat in use,
Heat gathers, can not distributed in time indoors, causes indoor environment temperature too high, easily causes rectifier under this environment
Become overheat protector tripping operation with rectification, workshop accidental power failure, cause the waste of workshop yield reduction and a large amount of material electric power energies.
So, it is necessary to be monitored in real time to the temperature of interior, when temperature is higher than certain value during lithium carbonate is produced
When, staff needs to open blower fan, but staff is not easy to grasp the quantity that blower fan is opened, the quantity mistake that blower fan is opened
It is more, the waste of the energy can be caused；Blower fan is opened very few, then does not reach expected cooling-down effect.
Utility model content
The purpose of this utility model is to provide a kind of ventilation equipment and cooling system, to alleviate existing lithium carbonate car
Between need into blower fan quantity during radiating be not easy grasp technical problem.
Ventilation equipment provided by the utility model, including temperature-detecting device, control unit and n blower fan, the blower fan
For the air of interior to be discharged, n is the integer more than or equal to 2；
The temperature-detecting device is used for the temperature for detecting interior, and the temperature of the temperature-detecting device measurement is higher than default
During maximum in temperature range, described control unit controls m blower fan unlatching；The temperature of the temperature-detecting device measurement is low
During minimum value in preset temperature range, described control unit controls m blower fan closing, n >=m >=1, and m is integer.
Further, the quantity of the temperature-detecting device is multiple, and any one of temperature-detecting device measures
Temperature when being higher than the maximum in preset temperature range, described control unit controls the unlatching of m blower fan；The multiple temperature inspection
When the temperature of survey measurement device is below the minimum value in preset temperature range, described control unit controls m blower fan to close.
Further, the temperature-detecting device includes temperature probe and fixed mount, and the fixed mount bottom is provided with solid
Determine structure, the fixed structure is used for the side wall that the temperature-detecting device is fixed on to heat-producing device, and the thermometric is visited
Head is towards the heat-producing device.
Further, the temperature-detecting device includes attachment structure, and the temperature probe is arranged at the attachment structure
One end, the other end of the attachment structure and the fixed mount are rotatablely connected, so that the direction of the temperature probe is adjustable.
Further, the fixed mount is " u "-shaped, and the attachment structure is rotatably connected on the " u "-shaped fixture
Between two ends, so that the direction of the temperature probe and the " u "-shaped fixture bottom surface are towards identical.
Further, the attachment structure includes the more connecting tubes being socketed successively, so that the length of the attachment structure
It is adjustable.
Further, the attachment structure includes metal stereotypes hoses and insulating coating, and the insulating coating is set in institute
State on the outside of metal stereotypes hoses.
Further, the ventilation equipment include the intake stack connected with the blower fan, the air intake of the intake stack
Mouth includes conduction part, and the conduction part button covers on the top of heat-producing device；The conduction part is inclined-plane, and from top to bottom, it is described
The width of conduction part gradually increases.
The utility model provides a kind of cooling system, including above-mentioned ventilation equipment.
Further, the cooling system includes air inlet pipe, evaporator and escape pipe, and the air inlet pipe connects with the blower fan
Logical, for the air of interior to be introduced in the evaporator, the evaporator is used to form cold air, and the escape pipe is used for institute
State cold air and lead back to interior.
Ventilation equipment provided by the utility model, including temperature-detecting device, control unit and n blower fan, n be more than etc.
In 2 integer.After blower fan is opened, interior can be evacuated, will be arranged outside the hot-air of interior, so as to reach radiating
Effect.The temperature-detecting device is used for the temperature for detecting interior, when the temperature of temperature-detecting device measurement is higher than preset temperature
During maximum in scope, described control unit controls m blower fan unlatching, and radiating treatment of sobbing is carried out to interior；When blower fan is opened
After opening a period of time, when the temperature of the temperature-detecting device measurement is less than the minimum value in preset temperature range, the control
Unit controls m blower fan to close, n >=m >=1, and m is integer.So, during the time produces, it is no longer necessary to which work people
Member to blower fan open and close, and by the temperature in nernst cell, ventilation equipment open respective numbers according to indoor temperature
Blower fan, temperature is higher, and the blower fan quantity of unlatching is more, can reach the purpose rapidly and efficiently to radiate, and when indoor temperature
When being reduced to suitable temperature, control unit closes the blower fan of respective numbers, so as to reach the purpose for saving the energy.
The utility model provides a kind of cooling system, including above-mentioned ventilation equipment.The ventilation equipment are examined including temperature
Device, control unit and n blower fan are surveyed, n is the integer more than or equal to 2.After blower fan is opened, interior can be evacuated, will
Arranged outside indoor hot-air, so as to reach the effect of radiating.The temperature-detecting device is used for the temperature for detecting interior, when
When the temperature of temperature-detecting device measurement is higher than the maximum in preset temperature range, described control unit controls m blower fan to open
Open, radiating treatment of sobbing is carried out to interior；After blower fan opens a period of time, the temperature of the temperature-detecting device measurement is less than
During minimum value in preset temperature range, described control unit controls m blower fan closing, n >=m >=1, and m is integer.So,
During the time produces, it is no longer necessary to staff to blower fan open and close, by the temperature in nernst cell,
Ventilation equipment open the blower fan of respective numbers, temperature is higher, and the blower fan quantity of unlatching is more, can reach according to indoor temperature
The purpose rapidly and efficiently to radiate, and when the temperature of interior is reduced to suitable temperature, control unit closes the blower fan of respective numbers,
So as to reach the purpose for saving the energy.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram for the ventilation equipment that the utility model embodiment 1 provides；
Fig. 2 is the schematic diagram of the temperature-detecting device for the ventilation equipment that the utility model embodiment 1 provides；
Fig. 3 is the schematic diagram of the temperature-detecting device for the ventilation equipment that the utility model embodiment 2 provides；
Fig. 4 is the sectional view of the attachment structure for the ventilation equipment that the utility model embodiment 2 provides.
Icon：100- temperature-detecting devices；110- temperature probes；120- attachment structures；121- metal stereotypes hoses；122-
Insulating coating；130- fixed mounts；131- suckers；200- blower fans；210- intake stacks；211- conduction parts；300- heat-producing devices.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, such as occur term " " center ", " on ", " under ", " left side ",
" right side ", " vertical ", " level ", " interior ", " outer " etc., its orientation indicated or position relationship are based on orientation shown in the drawings or position
Relation is put, description the utility model is for only for ease of and simplifies description, rather than indicate or imply signified device or element
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.This
Outside, such as there is term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or implying relatively heavy
The property wanted.
Embodiment 1
Ventilation equipment provided by the utility model, including temperature-detecting device 100, control unit and n blower fan 200, n be
Integer more than or equal to 2.After blower fan 200 is opened, interior can be evacuated, will be arranged outside the hot-air of interior, so as to
Reach the effect of radiating.The temperature-detecting device 100 is used for the temperature for detecting interior, is measured when temperature-detecting device 100
When temperature is higher than the maximum in preset temperature range, described control unit controls m blower fan 200 to open, and interior is taken out
Tears radiating treatment；After blower fan 200 opens a period of time, the temperature that the temperature-detecting device 100 measures is less than preset temperature
During minimum value in scope, described control unit controls m blower fan 200 to close, n >=m >=1, and m is integer.So, in the time
During production, it is no longer necessary to which staff to blower fan 200 open and close, and by the temperature in nernst cell, leads to
Wind devices open the blower fan 200 of respective numbers according to indoor temperature, and temperature is higher, and the quantity of blower fan 200 of unlatching is more, can be with
Reach the purpose rapidly and efficiently to radiate, and when the temperature of interior is reduced to suitable temperature, control unit closes respective numbers
Blower fan 200, so as to reach the purpose for saving the energy.
As shown in figure 1, in the production process of reality, the quantity of blower fan 200 can be with the quantity phase of heat-producing device 300
Together, blower fan 200 is arranged at the top of workshop, is carried out exhausting to the heat-producing device 300 being below, is reduced around heat-producing device 300
Temperature, so as to effectively avoid heat from gathering indoors, can not distribute in time, cause indoor environment temperature mistake
Height, rectifier and rectification is easily caused under this environment to become overheat protector tripping operation, workshop accidental power failure.
The quantity of blower fan 200 can be 5, and preset temperature range can be 20-26 °, when device for detecting temperature measures temperature
When degree is higher than 26 °, 5 blower fans 200 are opened, and to indoor carry out exhausting, reduce indoor temperature, when temperature is reduced to 20 °, 5
Individual blower fan 200 stops exhausting.
Preset temperature range can with multiple, such as including the first preset temperature range and the second preset temperature range, first
Preset temperature range is 20-26 degree, and the second preset temperature range is 27-30 degree, when temperature reaches 26 degree, five blower fans 200
In have 3 open carry out exhausting, when temperature reaches 30 degree, two other blower fan 200 starts to start, when temperature is reduced to 27 degree
When, 2 blower fans 200 are closed, and when temperature is reduced to 20 degree, two outer 3 blower fans 200 are closed.
Preferably, the quantity of the temperature-detecting device 100 is multiple that multiple temperature-detecting devices 100 can pacify respectively
It is placed on the metope adjoining with heat-producing device 300, so as to detect the mean temperature in the region.Such as workshop internal heat generation equipment
300 quantity is 5, then the quantity of temperature-detecting device 100 can also be 5, and 5 temperature-detecting devices 100 are placed in hair
The hot side of equipment 300.Because the caloric value of equipment is different in actual production process, multiple to state temperature-detecting device
, just should radiating to interior as long as there is the temperature of a measurement to be higher than the maximum in preset temperature range in 100
Handle, in order to prevent the aggregation of indoor heat, described control unit controls m blower fan 200 to open.It is corresponding, it is only all
The temperature that measures of temperature-detecting device 100 when being below the minimum value in preset temperature range, could illustrate indoor entirety
Temperature reached standard, described control unit controls m blower fan 200 to close.
The ventilation equipment include the intake stack 210 connected with the blower fan 200, the air intake of the intake stack 210
Mouth includes conduction part 211, and the conduction part 211 detains the top for covering on heat-producing device 300, and the conduction part 211 is inclined-plane, and from
Under above, the width of the conduction part 211 gradually increases.So as to increase drainage scope, by the heat around heat-producing device 300
Gas is all discharged.
As Figure 2-3, the device for detecting temperature can be fixed in the side wall of hair equipment, so that the temperature obtained is most
Close to the temperature of heat-producing device 300.The temperature-detecting device 100 can include temperature probe 110 and fixed mount 130, described
The bottom of fixed mount 130 is provided with fixed structure, and the temperature-detecting device 100 can be fixed on into heating by fixed structure sets
In standby 300 side wall, and the temperature probe 110 is towards the heat-producing device 300.At this moment temperature-detecting device 100 measures
Temperature is no longer the mean temperature of air, but, the surface temperature of heat-producing device 300, this temperature should being averaged than air
Temperature is higher, is more nearly the internal temperature of heat-producing device 300., can very easily by the fixation of fixed mount 130
Fixed temperature detection device 100.
Fixed structure can be vacuum cup 131 or when magnechuck 131 etc., as long as fixed mount 130 can be consolidated
It is scheduled in the side wall of heat-producing device 300.
Further, the temperature-detecting device 100 includes attachment structure 120, and the temperature probe 110 is arranged at described
One end of attachment structure 120, the other end of the attachment structure 120 is rotatablely connected with the fixed mount 130, so that the thermometric
The direction of probe 110 is adjustable.Because heat-producing device 300 profile there is difference, when fixed mount 130 is fixed on heat-producing device
After 300 outer wall, temperature probe 110 is not necessarily referred to heat-producing device 300, so needing temperature probe 110 to be adjusted.Pass through
Rotation connection structure 120, temperature probe 110 can be made to point to the position of the major heat producing components of heat-producing device 300, so can be with
Obtaining temperature information will be more accurate.
Specifically, the attachment structure 120 can be bent, including metal stereotypes hoses 121 and insulating coating 122, it is described
Insulating coating 122 is set in the outside of metal stereotypes hoses 121, and the other end can be connected by ball head structure and fixed mount 130
Connect.By controlling metal stereotypes hoses 121, the direction of adjustment temperature probe 110 that can be arbitrarily is very convenient.And in metal
It is to prevent equipment from leaky occurs, be overlapped on attachment structure 120 that the outside of stereotypes hoses 121, which sets insulating coating 122,
On cause get an electric shock danger.
Embodiment 2
As shown in figure 4, difference from Example 1 is, the fixed mount 130 is " u "-shaped, and the attachment structure
120 are rotatably connected between two ends of the " u "-shaped fixture, and such attachment structure 120 can rotate 180 degree, can be with
Make the direction of the temperature probe 110 and the " u "-shaped fixture bottom surface towards identical.
Further, the attachment structure 120 can include the more connecting tubes being socketed successively, so that the attachment structure
120 adjustable length.Connection sleeve pipe is a kind of mode for reaching telescopic effect, and other can make what attachment structure 120 was stretched
Mode.Here it is to adapt to the major heat producing components of heat-producing device 300 in enclosure interior, flexible connection knot can be passed through
Structure 120, temperature probe 110 is deep into the inside of electro-heat equipment, so as to obtain more accurate temperature information, it is more likely that hair
Temperature inside thermal, it is very high, but because the reason for atmosphere draught-free, air themperature outside equipment again without
Reach preset temperature range, so as to the short circuit of manufacturing apparatus.
In summary, ventilation equipment provided by the utility model, including temperature-detecting device 100, control unit and n wind
Machine 200, n are the integer more than or equal to 2.After blower fan 200 is opened, interior can be evacuated, will be arranged outside the hot-air of interior,
So as to reach the effect of radiating.The temperature-detecting device 100 is used for the temperature for detecting interior, works as temperature-detecting device
When the temperature of 100 measurements is higher than the maximum in preset temperature range, described control unit controls m blower fan 200 to open, to room
Inside carry out radiating treatment of sobbing；After blower fan 200 opens a period of time, the temperature that the temperature-detecting device 100 measures is less than
During minimum value in preset temperature range, described control unit controls m blower fan 200 to close, n >=m >=1, and m is integer.This
Sample, during the time produces, it is no longer necessary to which staff to blower fan 200 open and close, by nernst cell
Temperature, ventilation equipment open the blower fan 200 of respective numbers, temperature is higher, the quantity of blower fan 200 of unlatching according to indoor temperature
It is more, the purpose rapidly and efficiently to radiate can be reached, and when the temperature of interior is reduced to suitable temperature, control unit closes phase
The blower fan 200 of quantity is answered, so as to reach the purpose for saving the energy.
The utility model provides a kind of cooling system, including above-mentioned ventilation equipment.The ventilation equipment are examined including temperature
Device 100, control unit and n blower fan 200 are surveyed, n is the integer more than or equal to 2.After blower fan 200 is opened, interior can be entered
Row pumping, it will be arranged outside the hot-air of interior, so as to reach the effect of radiating.The temperature-detecting device 100 is used to detect
Indoor temperature, when the temperature that temperature-detecting device 100 measures is higher than the maximum in preset temperature range, the control is single
Member m blower fan 200 of control is opened, and radiating treatment of sobbing is carried out to interior；After blower fan 200 opens a period of time, the temperature
When the temperature that detection means 100 measures is less than the minimum value in preset temperature range, described control unit controls m blower fan 200
Close, n >=m >=1, and m is integer.So, during the time produces, it is no longer necessary to which staff is carried out to blower fan 200
Open and close, by the temperature in nernst cell, ventilation equipment open the blower fan 200 of respective numbers, temperature according to indoor temperature
Degree is higher, and the quantity of blower fan 200 of unlatching is more, can reach the purpose rapidly and efficiently to radiate, and when indoor temperature is reduced to
During suitable temperature, control unit closes the blower fan 200 of respective numbers, so as to reach the purpose for saving the energy.
Only to indoor carry out exhausting, heat discharge can not be reduced the temperature into standard to a certain extent, especially
Hot summer, average temperature of air are natively very high, it is possible to by the principle of evaporator refrigeration, to interior
Air is cooled, and cold air then is blown into back into interior.
Specifically, the cooling system includes air inlet pipe, evaporator and escape pipe, the air inlet pipe and the blower fan 200
Connection, for the air of interior to be introduced in the evaporator, the evaporator is used to form cold air, and the escape pipe is used for will
The cold air leads back to interior.The air outlet of the discharge pipe can be set on the ground, and cold air blows upwards, by heat-producing device
After 300, sucked, freezed by the blower fan 200 above it.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of ventilation equipment, it is characterised in that including temperature-detecting device, control unit and n blower fan, the blower fan is used for
The air of interior is discharged, n is the integer more than or equal to 2；
The temperature-detecting device is used for the temperature for detecting interior, and the temperature of the temperature-detecting device measurement is higher than preset temperature
During maximum in scope, described control unit controls m blower fan unlatching；The temperature of the temperature-detecting device measurement is less than pre-
If during minimum value in temperature range, described control unit controls m blower fan closing, n >=m >=1, and m is integer.
2. ventilation equipment according to claim 1, it is characterised in that the quantity of the temperature-detecting device is multiple, and
When the temperature of any one of temperature-detecting device measurement is higher than the maximum in preset temperature range, described control unit control
M blower fan processed is opened；When the temperature of the multiple temperature-detecting device measurement is below the minimum value in preset temperature range, institute
Stating control unit controls m blower fan to close.
3. ventilation equipment according to claim 1, it is characterised in that the temperature-detecting device is including temperature probe and admittedly
Determine frame, the fixed mount bottom is provided with fixed structure, and the fixed structure is used to the temperature-detecting device being fixed on hair
In the side wall of hot equipment, and the temperature probe is towards the heat-producing device.
4. ventilation equipment according to claim 3, it is characterised in that the temperature-detecting device includes attachment structure, institute
One end that temperature probe is arranged at the attachment structure is stated, the other end and the fixed mount of the attachment structure are rotatablely connected,
So that the direction of the temperature probe is adjustable.
5. ventilation equipment according to claim 4, it is characterised in that the fixed mount is " u "-shaped, and the attachment structure
It is rotatably connected between two ends of the " u "-shaped fixture, so that the direction of the temperature probe is fixed with the " u "-shaped
Part bottom surface is towards identical.
6. ventilation equipment according to claim 5, it is characterised in that the attachment structure includes the more companies being socketed successively
Adapter, so that the adjustable length of the attachment structure.
7. ventilation equipment according to claim 6, it is characterised in that the attachment structure is including metal stereotypes hoses and absolutely
Edge overcoat, the insulating coating are set on the outside of the metal stereotypes hoses.
8. ventilation equipment according to claim 1, it is characterised in that the ventilation equipment include what is connected with the blower fan
Intake stack, the air inlet of the intake stack include conduction part, and the conduction part button covers on the top of heat-producing device；It is described to draw
Stream portion is inclined-plane, and from top to bottom, the width of the conduction part gradually increases.
9. a kind of cooling system, it is characterised in that including the ventilation equipment described in claim 1-8 any one.
10. cooling system according to claim 9, it is characterised in that the cooling system include air inlet pipe, evaporator and
Escape pipe, the air inlet pipe are connected with the blower fan, and for the air of interior to be introduced in the evaporator, the evaporator is used
In forming cold air, the escape pipe is used to the cold air leading back to interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720763003.XU CN206861808U (en) | 2017-06-28 | 2017-06-28 | Ventilation equipment and cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720763003.XU CN206861808U (en) | 2017-06-28 | 2017-06-28 | Ventilation equipment and cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206861808U true CN206861808U (en) | 2018-01-09 |
Family
ID=60828826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720763003.XU Active CN206861808U (en) | 2017-06-28 | 2017-06-28 | Ventilation equipment and cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206861808U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140681A (en) * | 2018-08-06 | 2019-01-04 | 深圳供电局有限公司 | Energy-saving management method and system for air conditioner of transformer substation |
| CN111578471A (en) * | 2020-05-20 | 2020-08-25 | 安徽远洋电力工程有限公司 | Unattended electric power comprehensive automatic monitoring system, method and storage medium |
| CN115306114A (en) * | 2022-09-15 | 2022-11-08 | 福建省邮电规划设计院有限公司 | Accurate air supply system and moving door type air supply channel thereof |
-
2017
- 2017-06-28 CN CN201720763003.XU patent/CN206861808U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140681A (en) * | 2018-08-06 | 2019-01-04 | 深圳供电局有限公司 | Energy-saving management method and system for air conditioner of transformer substation |
| CN111578471A (en) * | 2020-05-20 | 2020-08-25 | 安徽远洋电力工程有限公司 | Unattended electric power comprehensive automatic monitoring system, method and storage medium |
| CN111578471B (en) * | 2020-05-20 | 2022-03-11 | 安徽远洋电力工程有限公司 | Unattended electric power comprehensive automatic monitoring system, method and storage medium |
| CN115306114A (en) * | 2022-09-15 | 2022-11-08 | 福建省邮电规划设计院有限公司 | Accurate air supply system and moving door type air supply channel thereof |
| CN115306114B (en) * | 2022-09-15 | 2024-01-09 | 福建省邮电规划设计院有限公司 | Accurate air supply system and movable door type air supply channel thereof |
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