CN208651734U - Fire resisting damper control cabinet - Google Patents
Fire resisting damper control cabinet Download PDFInfo
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- CN208651734U CN208651734U CN201820790335.1U CN201820790335U CN208651734U CN 208651734 U CN208651734 U CN 208651734U CN 201820790335 U CN201820790335 U CN 201820790335U CN 208651734 U CN208651734 U CN 208651734U
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- resisting damper
- temperature
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Abstract
The utility model discloses a kind of fire resisting damper control cabinets, belong to fire-fighting equipment technical field, its key points of the technical solution are that including that valve state detection module, MCU unit and valve automatically reset module；Valve state detection module detects the valve state of fire resisting damper, and issues corresponding driving current signal；MCU unit is connected with valve state detection module, handle to the data that the transmission of valve state detection module comes and valve state information is passed to host computer；The valve module that automatically resets is connected with MCU unit, when fire resisting damper ambient temperature is lower than setting value and valve is located at full-shut position value, control valve opening；Solve the problems, such as it is existing by manually carrying out being monitored the valve state of fire resisting damper, labor intensive and exist and cannot open fire resisting damper in time；The valve of fire resisting damper can be automatically turned on after environment temperature restores normal after fire.
Description
Technical field
The utility model relates to fire-fighting equipment technical field, in particular to a kind of fire resisting damper control cabinet.
Background technique
Fire resisting damper is a kind of long fire-fighting equipment, is mounted in passage of central air conditioner system.Fire resisting damper working principle
It is that temperature control is carried out to the valve of fire resisting damper using fusible alloy or memorial alloy, utilizes the work of gravity and spring mechanism
With closing valve.When fire occurs, flame invades air duct, and high temperature melts the fusible alloy on valve or produces memorial alloy
Valve is automatically closed in raw deformation, for air duct and the perforative occasion of fire compartment.After fire resisting damper closure, need manually prevent
The valve of fiery valve is opened again.
Referring to Fig.1, host computer is mostly used to be monitored and control fire resisting damper at present, host computer is placed in control room,
Detection device detects the status information of fire resisting damper, and the status information of fire resisting damper is transferred at a distance upper in control room
Machine, to make the state of staff's grasp fire resisting damper.
In the prior art, it after fire resisting damper is closed, needs manually to open the valve of fire resisting damper again, needs to lead to
It crosses and manually carries out being monitored the valve state of fire resisting damper, labor intensive and there are problems that fire resisting damper cannot be opened in time.
Utility model content
The purpose of the utility model is to provide a kind of fire resisting damper control cabinets, environment temperature can restore normal after fire
Afterwards, the valve of fire resisting damper is automatically turned on.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of fire resisting damper control cabinet includes:
Valve state detection module, the valve state detection module detect the valve state of fire resisting damper, work as valve
When door is shown in a fully open operation, standard-sized sheet current signal is issued；When valve be in it is fully closed when, issue fully closed current signal；
MCU unit, the MCU unit are connected with valve state detection module, come to the transmission of valve state detection module
Data are handled；
Valve automatically resets module, and the valve module that automatically resets is connected with MCU unit, when fire resisting damper ambient enviroment temperature
When degree is lower than setting value, control valve is opened.
By using above scheme, fire resisting damper control cabinet is mounted on the spot near fire resisting damper infield, valve state inspection
The standard-sized sheet or full-shut position of module detection valve are surveyed, the valve module that automatically resets is connected with MCU unit, when fire resisting damper ambient enviroment
Temperature is lower than setting value, and control valve is opened, and controls after fire the automatic opening of the valve of fire resisting damper to realize.
Preferably, the valve state detection module includes:
Fully closed travel switch, the fully closed travel switch are used to detect the full-shut position of valve, and when valve is fully closed
Issue fully closed current signal；
Standard-sized sheet travel switch, the travel switch are used to detect the full-gear of valve, and issue in valve wide open
Standard-sized sheet current signal.
By using above scheme, by fully closed travel switch and standard-sized sheet travel switch to the fully closed and full-gear of valve
It is detected；When valve is located at full close position, fully closed travel switch issues fully closed current signal；When valve is located at fully open position
When, standard-sized sheet travel switch issues standard-sized sheet current signal.
Preferably, the valve automatically resets, module includes:
Temperature detecting module, the temperature detecting module include temperature detection sensor, and the temperature detection sensor is real
When detection fire resisting damper at temperature value, and temperature value is converted to temperature value current signal；
The temperature comparison module is connected with temperature detecting module and valve state detection module and examines in response to temperature
The temperature value current signal of module output is surveyed, the temperature comparison module is by the temperature value current signal received and preset base
Quasi- value is compared, and issues driving current signal when temperature detecting module detection temperature is lower than set temperature.
By using above scheme, temperature detecting module includes temperature detection sensor, and temperature detection sensor is examined in real time
Survey fire resisting damper at temperature value and temperature value is converted to current signal；Temperature comparison module and valve state detection module and temperature
It spends detection module to be connected, issues temperature when valve is in closed state and temperature detecting module detection temperature lower than set temperature
It is worth current signal, control valve is opened；To which when fire resisting damper in-situ FTIR spectroelectrochemitry is to normal temperature, the valve for controlling fire resisting damper is automatic
It is restored to opening state.
Preferably, the temperature comparison module includes:
Comparing unit, the detection that the comparing unit connects temperature detection sensor and exports temperature detection sensor
Current signal is compared with preset a reference value, controls output driving current when sensed current signal is greater than preset a reference value
Signal；
Amplifying unit, the amplifying unit connect comparing unit and amplify the driving current signal of comparing unit output
After export.
By using above scheme, driving current signal that comparing unit exports temperature detection sensor and preset value into
Row compares, and when the environment temperature that temperature detection sensor detects is less than the environment temperature of setting, comparing unit output is driven
Streaming current signal；The driving current signal that amplifying unit exports comparing unit exports after amplifying.
Preferably, fire resisting damper control cabinet further includes state display module, the state display module includes:
Standard-sized sheet display lamp, the standard-sized sheet display lamp are connected with valve detection module, and complete when valve is shown in a fully open operation
Display lamp energization is opened to light；
Fully closed display lamp, the fully closed display lamp are connected with valve detection module, and complete when valve is in full-shut position
Display lamp energization is closed to light.
By using above scheme, standard-sized sheet display lamp is connected with valve detection module respectively with fully closed display lamp, works as valve
When being shown in a fully open operation, standard-sized sheet display lamp is lighted；When valve is in full-shut position, fully closed display lamp is lighted；It is aobvious by standard-sized sheet
Show that the illuminating state of lamp and fully closed display lamp realizes the monitoring to valve state.
Preferably, fire resisting damper control cabinet further includes valve control module, the valve control module includes:
Control unit is opened, power supply is accessed in described unlatching control unit one end, and the other end is connected with unlatching relay；It is described
Opening control unit includes the second normally-closed contact being serially connected, the second push switch and the 4th electromagnetic coil, the 4th electricity
Magnetic coil control has the 4th normally opened contact, and the 4th normally opened contact is coupled to the second push switch both ends；
It is closed control unit, power supply is accessed in described closure control unit one end, and the other end is connected with closing relay；It is described
Closure control unit includes the third normally-closed contact being serially connected, third push switch and the 5th electromagnetic coil, the 5th electricity
Magnetic coil control has the 5th normally opened contact, and the 5th normally opened contact is coupled to third push switch both ends.
By using above scheme, automatically reset Module Fail in the automatic closing function or valve of fire resisting damper control cabinet
When, relay is opened by the second push switch of pressing and third push switch or closing relay is powered and is connected, to control
Valve carries out closure or openness.
Preferably, the fire resisting damper control cabinet further includes the backup power source for carrying out stand-by power supply to valve state detection module
Module.
By using above scheme, when fire occurs, main circuit often causes open circuit due to fire, causes valve shape
State detection module can not in real time detect the status information of valve；It can be powered off in main circuit by standby power supply module
Afterwards, it is powered by state detection module of the standby power supply module to valve, to enable valve state detection module just
Often carry out detection work.
Preferably, fire resisting damper control cabinet further includes power supply status module；The power supply status module includes power supply indicator,
Described power supply indicator one end is connected the other end and valve state detection module phase with the power supply that valve state detection module is powered
Even.
By using above scheme, fire resisting damper control cabinet further includes power supply status module；Power supply status module includes power supply
Indicator light, be connected by power supply indicator one end with the power supply that valve state detection module is powered the other end and valve state detection
Module be connected, be monitored so as to the power supply state to valve state detection module, prevent because valve state detection module because
Power loss and cause that the state of valve cannot be measured in real time.
In conclusion the utility model has the following beneficial effects:
1. by valve automatically reset module to the environment temperature around fire resisting damper carry out detection and and setting value into
Row compares, and MCU unit can be automatically to fire prevention after fire and then the detection for the module output valve that automatically resets to valve
The valve of valve is opened；
2. by power supply status module can the power supply state in real time to valve state detection module be monitored, so as to
Enough power supply states for understanding power supply in time, reduce the possibility that can not be monitored to the state of valve by fire power cut-off
Property；
3. fire resisting damper control cabinet further includes the standby power supply module for carrying out stand-by power supply to valve state detection module；Pass through
Standby power supply module is in time powered state detection module by standby power supply module, prevents valve after power cut-off
State detection module can not detect valve state because of power-off.
Detailed description of the invention
Fig. 1 is background technique attached drawing；
Fig. 2 is the work flow diagram of the fire resisting damper control cabinet in embodiment；
Fig. 3 is the functional block diagram of the fire resisting damper control cabinet in embodiment；
Fig. 4 is protrusion valve state detection module, state display module, power supply status module and the standby electricity in embodiment
The circuit diagram of source module；
Fig. 5 is that protrusion valve in embodiment automatically resets the circuit diagram of module；
Fig. 6 is the circuit diagram of the protrusion valve control module in embodiment.
In figure, 1, valve state detection module；SQ1, standard-sized sheet travel switch；SQ2, fully closed travel switch；2, MCU unit；
3, state display module；L1, standard-sized sheet display lamp；L2, fully closed display lamp；4, valve control module；41, control unit is opened；
KA2-1, the second normally-closed contact；SB2, the second push switch；KA4, the 4th electromagnetic coil；KA4-1, the 4th normally opened contact；KM1,
Open relay；42, it is closed control unit；KA3-1, third normally-closed contact；SB3, third push switch；KA5, the 5th electromagnetic wire
Circle；KA5-1, the 5th normally opened contact；KM2, closing relay；R6, the 6th resistance；5, valve automatically resets module；51, temperature is examined
Survey module；RT, temperature detection sensor；52, temperature comparison module；521, comparing unit；T1, comparator；T2, amplifier；
522, amplifying unit；R3,3rd resistor；R4, the 4th resistance；R5, the 5th resistance；6, standby power supply module；VCC2, standby electricity
Source；SB1, the first push switch；KA1, the first electromagnetic coil；KA1-1, the first normally opened contact；7, power supply status module；L3, electricity
Source indicator light；KA2, the second electromagnetic coil；KA3, third electromagnetic coil；R1, first resistor；R2, second resistance.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: a kind of fire resisting damper control cabinet is installed near fire resisting damper installation site referring to Fig. 2 and Fig. 3, main
It is used to that the valve state of fire resisting damper to be monitored and controlled, and the status information of valve is passed to upper in control room
Machine makes while can be monitored on the spot and remotely to the valve state of fire resisting damper.Fire resisting damper control cabinet includes valve state inspection
Survey module 1, MCU unit 2, state display module 3, valve automatically reset module 5, valve control module 4, standby power supply module 6
With power supply status module 8.
Referring to Fig. 2 and Fig. 3, valve state detection module 1 respectively with MCU unit 2, valve state display module 3, valve from
Dynamic reseting module 5 is connected with valve control module 4；Backup power source VCC2 module 6 is connected with valve state detection module 1, works as valve
It can be 1 stand-by power supply of valve state detection module after the power supply VCC power-off of door state detection module 1.Valve state detects mould
It is in standard-sized sheet or full off state that block 1, which detects valve,；The valve state that MCU unit 2 detects valve state detection module 1 is believed
Breath is sent to host computer, so as to be monitored by state of the host computer to valve.3 responsive valves of valve state display module
The corresponding standard-sized sheet current signal and fully closed current signal that door state detection module 1 issues, are in standard-sized sheet or fully closed shape in valve
Corresponding status information is shown when state respectively.The valve module 5 that automatically resets can detect the temperature at fire resisting damper, and work as
Temperature lower than setting value and valve in the closure state, valve automatically resets 5 control valve of module opening.Valve control module
4 carry out automatically controlled folding control to valve by circuit connection.It not only can be remotely to fire prevention by the setting of fire resisting damper control cabinet
The valve state of valve is monitored, and can be realized by fire resisting damper control cabinet and be supervised on the spot to the valve state of fire resisting damper
It surveys and automatically controlled, make the status monitoring to the valve of fire resisting damper and controls more reliable and more stable.
Referring to Fig. 4, valve state detection module 1 includes fully closed travel switch SQ2 and standard-sized sheet travel switch SQ1；Fully closed row
Cheng Kaiguan SQ2 and standard-sized sheet travel switch SQ1 parallel connection access power supply VCC, and the other end is in series with common first resistor R1, the first electricity
Hinder the ground connection setting of the R1 other end.When valve is shown in a fully open operation, standard-sized sheet travel switch SQ1 closure conducting issues standard-sized sheet electric current
Signal；When valve is in full-shut position, fully closed travel switch SQ2 closure issues fully closed current signal.
Referring to Fig. 4,3 packet standard-sized sheet display lamp L1 of state display module and fully closed display lamp L2, standard-sized sheet display lamp L1 and fully closed
Display lamp L2 connects with standard-sized sheet travel switch SQ1 and fully closed travel switch SQ2 respectively.When valve is shown in a fully open operation, standard-sized sheet
Travel switch SQ1 closure, standard-sized sheet display lamp L1 are lighted；When valve is in full-shut position, fully closed travel switch SQ2 closure, entirely
It closes display lamp L2 to light, so as to be monitored by state of the state display module 3 to valve.
Referring to Fig. 4, power supply status module 7 includes power supply indicator L3.The one end power supply indicator L3 is connected with power supply VCC,
The parallel circuit in series that the other end and fully closed travel switch SQ2 and standard-sized sheet travel switch SQ1 are formed.Power supply indicator L3 also connects
There are second resistance R2, second resistance R2 and standard-sized sheet display lamp L1 and fully closed display lamp L2 in parallel.When power supply VCC examines valve state
When surveying 1 normal power supply of module, power supply indicator L3 is lighted.Power supply VCC can be understood to valve state by power supply indicator L3
The power supply state of detection module 1, prevent because fire causes the open circuit of power supply VCC cause valve state detection module 1 cannot and
When the state of valve is detected.
Referring to Fig. 4, standby power supply module 6 includes backup power source VCC2, the first push switch SB1, the first electromagnetic coil KA1
With the first normally opened contact KA1-1.First push switch SB1 connects with electromagnetic coil KA1, the access of first one end push switch SB1
Backup power source VCC2, first one end electromagnetic coil KA1 are linked into the main circuit of valve state detection module 1.When power supply VCC open circuit
When, the first push switch SB1 is pressed, electromagnetic coil KA1 is powered, the first normally opened contact KA1-1 closure, valve state detection module
1 is restored to normal power supply, so that fire resisting damper control cabinet can be normally to the state of valve in the case where power supply VCC power-off
It is detected.
Referring to Fig. 5, the valve module 5 that automatically resets includes temperature detecting module 51 and temperature comparison module 52.Temperature detection
Module 51 includes temperature detection sensor RT, and temperature detection sensor RT is mounted near fire resisting damper, to the ring near fire resisting damper
Border temperature is detected.Temperature detection sensor RT is in series with the second normally-closed contact KA2-1, normally opened contact KA2-1 and power supply VCC
Coupling.When valve is in close state, temperature detection sensor RT detects the temperature around fire resisting damper, according to environment
The variation of temperature exports different current value, to open valve after restoring normal at the scene.
Referring to Fig. 5, temperature comparison module 52 includes temperature detection sensor RT comparing unit 521 interconnected and amplification
Unit 522, comparing unit 521 include the comparator T1 of connection temperature detection sensor RT, and temperature detection sensor RT is compared with
The positive input of device T1 couples, and has preset a reference value Vref1, amplifying unit in the negative input access of comparator T1
522 include the amplifier T2 of connection comparator T1, and the output end of comparator T1 and the positive input of amplifier T2 are coupled, put
It is coupled with 3rd resistor R3 between the negative input and output end of big device T2, has been also coupled in the negative input of amplifier T2
4th resistance R4 and via after the 4th resistance R4 be grounded be arranged.Amplifier T2 output end is further coupled to the 5th resistance R5,
The other end of five resistance R5, which is coupled with, opens relay KM1, and the other end for opening relay KM1 is grounded setting.When fire resisting damper week
When enclosing environment temperature lower than setting value, relay KM1 is opened by comparing unit 521 and the driving of amplifying unit 522, passes through unlatching
Relay KM1, control valve are opened.
Referring to Fig. 6, valve control module 4 includes opening control unit 41 and closure control unit 42.Open control unit
41 access power supply VCCs in parallel with closure control unit 42, the other end are connected with the 6th resistance R6, the 6th resistance R6 other end ground connection
Setting.Opening control unit 41 includes the second push switch SB2 and the 4th electromagnetism being serially connected with the second normally-closed contact KA2-1
Coil KA4, the second both ends push switch SB2 have been also coupled to the 4th normally opened contact KA4-1.By pressing the second push switch SB2,
4th electromagnetic coil KA4 is powered, the 4th normally opened contact KA4-1 closure, opens control valve after relay KM1 is powered and opens.It closes
Closing control unit 42 includes the third push switch SB3 and the 5th electromagnetic coil KA5 being serially connected, third push switch SB3 two
End has been also coupled to the 5th normally opened contact KA5-1.The one end third push switch SB3 is in series with third normally closed switch KA3-1, and passes through
Third normally closed switch KA3-1 accesses power supply VCC；5th electromagnetic coil KA5 is connected with closing relay KM2, closing relay KM2
It is closed for control valve.When valve is shown in a fully open operation, third push switch SB3 is pressed, the 5th normally opened contact KA5-1 is closed
It closes, closing relay KM2 obtains electric, control valve closure.
Concrete operations mode is as follows:
When power supply VCC is to valve state 1 normal power supply of detection module, power supply indicator L1 is lighted；When the valve of fire resisting damper
When being shown in a fully open operation, standard-sized sheet travel switch SQ1 closure, standard-sized sheet display lamp L1 is lighted；When valve is shown in a fully open operation, fully closed row
Cheng Kaiguan SQ2 closure, standard-sized sheet display lamp L2 are lighted.When valve is in full-shut position, temperature detection sensor RT is to fire resisting damper
The environment temperature at place is detected, and is compared by 5 pairs of detection temperature of temperature comparison module with set temperature, and fire resisting damper is worked as
When ambient temperature is lower than set temperature, relay KM1 conducting is opened, control valve is opened.Valve control module 4 uses messenger
To carry out Electronic control to valve state.When can learn the state of valve by state display module 3, when needing to beat valve
When opening, the second push switch SB2 is pressed, opens relay KM1 conducting, relay KM1 control valve is opened and opens；When need by
When valve is closed, third push switch SB3, closing relay KM2 conducting are pressed, closing relay KM2 control valve is closed
It closes.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of fire resisting damper control cabinet characterized by comprising
Valve state detection module (1), the valve state detection module (1) detect the valve state of fire resisting damper, when
When valve is shown in a fully open operation, standard-sized sheet current signal is issued；When valve be in it is fully closed when, issue fully closed current signal；
MCU unit (2), the MCU unit (2) is connected with valve state detection module (1), to valve state detection module (1)
The data that transmission comes are handled；
Valve automatically resets module (5), and the valve module (5) that automatically resets is connected with MCU unit (2), around fire resisting damper
When environment temperature is lower than setting value, control valve is opened.
2. fire resisting damper control cabinet according to claim 1, which is characterized in that the valve state detection module (1) includes:
Fully closed travel switch (SQ2), the fully closed travel switch (SQ2) are used to detect the full-shut position of valve, and in valve
Fully closed current signal is issued when fully closed；
Standard-sized sheet travel switch (SQ1), the travel switch (SQ1) are used to detect the full-gear of valve, and in valve wide open
When issue standard-sized sheet current signal.
3. fire resisting damper control cabinet according to claim 1, which is characterized in that the valve module (5) that automatically resets includes:
Temperature detecting module (51), the temperature detecting module (51) include temperature detection sensor (RT), the temperature detection
Temperature value at sensor (RT) real-time detection fire resisting damper, and temperature value is converted to temperature value current signal；
The temperature comparison module (52) be connected with temperature detecting module (51) and valve state detection module (1) and in response to
The temperature value current signal of temperature detecting module (51) output, the temperature value electric current that the temperature comparison module (52) will receive
Signal is compared with preset a reference value, issues driving electricity when temperature detecting module (51) detection temperature is lower than set temperature
Flow signal.
4. fire resisting damper control cabinet according to claim 3, it is characterised in that: the temperature comparison module (52) includes:
Comparing unit (521), the comparing unit (521) connect temperature detection sensor (RT) and by temperature detection sensors
(RT) sensed current signal exported is compared with preset a reference value, when sensed current signal is greater than preset a reference value control
Output driving current signal processed；
Amplifying unit (522), the amplifying unit (522) connect comparing unit (521) and by comparing unit (521) outputs
It is exported after driving current signal amplification.
5. fire resisting damper control cabinet according to claim 1, which is characterized in that fire resisting damper control cabinet further includes status display mould
Block (3), the state display module (3) include:
Standard-sized sheet display lamp (L1), the standard-sized sheet display lamp (L1) are connected with valve state detection module (1), and when valve is in complete
Standard-sized sheet display lamp (L1) energization is lighted when open state；
Fully closed display lamp (L2), the fully closed display lamp (L2) are connected with valve state detection module (1), and when valve is in complete
Fully closed display lamp (L2) is powered and lights when closed state.
6. fire resisting damper control cabinet according to claim 1, which is characterized in that fire resisting damper control cabinet further includes valve control mould
Block (4), the valve control module (4) include:
Open control unit (41), the unlatchings control unit (41) one end access power supply (VCC), the other end be connected with open after
Electric appliance (KM1)；Unlatching control unit (41) includes the second normally-closed contact (KA2-1) being serially connected, the second push switch
(SB2) and the 4th electromagnetic coil (KA4), the 4th electromagnetic coil (KA4) control has the 4th normally opened contact (KA4-1), described
4th normally opened contact (KA4-1) is coupled to the both ends the second push switch (SB2)；
Be closed control unit (42), the closure control unit (42) one end access power supply (VCC), the other end be connected be closed after
Electric appliance (KM2)；Closure control unit (42) includes the third normally-closed contact (KA3-1) being serially connected, third push switch
(SB3) and the 5th electromagnetic coil (KA5), the 5th electromagnetic coil (KA5) control has the 5th normally opened contact (KA5-1), described
5th normally opened contact (KA5-1) is coupled to the both ends third push switch (SB3).
7. fire resisting damper control cabinet according to claim 1, it is characterised in that: the fire resisting damper control cabinet further includes to valve
The standby power supply module (6) of state detection module (1) progress stand-by power supply.
8. fire resisting damper control cabinet according to claim 1, it is characterised in that: fire resisting damper control cabinet further includes power supply status mould
Block (7)；The power supply status module (7) includes power supply indicator (L3), described power supply indicator one end (L3) and valve state
The power supply (VCC) of detection module (1) power supply is connected, and the other end is connected with valve state detection module (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820790335.1U CN208651734U (en) | 2018-05-24 | 2018-05-24 | Fire resisting damper control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820790335.1U CN208651734U (en) | 2018-05-24 | 2018-05-24 | Fire resisting damper control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208651734U true CN208651734U (en) | 2019-03-26 |
Family
ID=65779954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820790335.1U Active CN208651734U (en) | 2018-05-24 | 2018-05-24 | Fire resisting damper control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208651734U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022105488A1 (en) * | 2020-11-17 | 2022-05-27 | 宁夏佰斯特医药化工有限公司 | Intelligent fireproof pneumatic actuating mechanism for valve |
| CN115738126A (en) * | 2022-09-26 | 2023-03-07 | 上海市安装工程集团有限公司 | Remote automatic inspection resetting system and method for station-level fire damper |
-
2018
- 2018-05-24 CN CN201820790335.1U patent/CN208651734U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022105488A1 (en) * | 2020-11-17 | 2022-05-27 | 宁夏佰斯特医药化工有限公司 | Intelligent fireproof pneumatic actuating mechanism for valve |
| CN115738126A (en) * | 2022-09-26 | 2023-03-07 | 上海市安装工程集团有限公司 | Remote automatic inspection resetting system and method for station-level fire damper |
| CN115738126B (en) * | 2022-09-26 | 2023-09-15 | 上海市安装工程集团有限公司 | Remote automatic inspection resetting system and method for station-level fireproof valve |
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