CN207160921U - Transmit window interlock control - Google Patents
Transmit window interlock control Download PDFInfo
- Publication number
- CN207160921U CN207160921U CN201720902482.9U CN201720902482U CN207160921U CN 207160921 U CN207160921 U CN 207160921U CN 201720902482 U CN201720902482 U CN 201720902482U CN 207160921 U CN207160921 U CN 207160921U
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- Prior art keywords
- gate
- magnetic valve
- dump gate
- dump
- feeding
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Abstract
The utility model provides a kind of transmission window interlock control, and the both sides of pass-through box are respectively equipped with feeding gate and Dump gate, and transmitting window interlock control includes：Feed door position sensor, discharging door position sensor, PLC, feeding gate magnetic valve, Dump gate magnetic valve, feeding gate gas-flow closure circle and Dump gate gas-flow closure circle；Feeding gate, discharging door position sensor are separately mounted on feeding gate and the mechanical lock of Dump gate, for detecting the position of mechanical lock, and send to PLC the position data of mechanical lock；Feeding gate, Dump gate gas-flow closure circle wrap up feeding gate and the edge of Dump gate respectively；PLC connects feeding gate, discharging door position sensor, feeding gate, Dump gate magnetic valve respectively；Feeding gate, Dump gate magnetic valve connect feeding gate, Dump gate gas-flow closure circle by tracheae respectively.Transmission window interlock control of the present utility model, improve the reliability of the interlocking of pass-through box inlet/outlet.
Description
Technical field
Pass-through box control field is the utility model is related to, it is more particularly to a kind of to transmit window interlock control.
Background technology
A kind of auxiliary equipment of the pass-through box as toilet, it is mainly used in clean area and clean area, non-clean area and cleaning
The transmission of small article between area, to reduce the door opening times of toilet, the pollution of clean area is reduced to greatest extent.Mesh
Before, food processing factory, pharmaceutical factory, biology laboratory, the sterilizing article transmission of varying environment rank is realized using pass-through box.
Existing pass-through box is designed using simple feeding gate and Dump gate, and application method is first when needing to transmit material
Feeding gate is opened, material is put into pass-through box in a room, then shuts feeding gate；Then, on the other side another
Dump gate is opened in individual room, material is taken out, closes Dump gate, so far material transmission is completed.
At present, interlocking of the pass-through box to feeding gate and Dump gate is realized frequently with electromagnetic door lock.But electromagnetic door lock is
Using the principle of electromagnet, interference can be produced to equipment when electromagnetic door lock works, particularly in terms of analog signalses collection
Have a great influence, easily cause collection signal and show and forbidden.With the increase of usage time, electromagnetic door lock can have residual magnetism, then
Form the resistance of enabling.And electromagnetic door lock also easily gets rusty in the environment of pharmaceutical factory, risk of environmental pollution is formed.
Utility model content
The technical problems to be solved in the utility model is to overcome the pass-through box with electromagnetic door lock of prior art can shadow
The defects of ringing the collection of simulant signal function of pass-through box, there is provided one kind transmits window interlock control.
The utility model is that solve above-mentioned technical problem by following technical proposals：
One kind transmits window interlock control, and the both sides of the pass-through box are respectively equipped with feeding gate and Dump gate, described
Transmitting window interlock control includes：Feed door position sensor, discharging door position sensor, PLC (Programmable
Logic Controller, programmable logic controller (PLC)), feeding gate magnetic valve, Dump gate magnetic valve, feeding gate gas-flow closure circle
With Dump gate gas-flow closure circle；
Charging door position sensor, the discharging door position sensor are separately mounted to the feeding gate and described unloaded
On the mechanical lock of bin gate, for detecting the position of the mechanical lock, and the position of the mechanical lock is sent to the PLC
Data；
The feeding gate gas-flow closure circle and the Dump gate gas-flow closure circle wrap up the feeding gate and described unloaded respectively
The edge of bin gate；
The PLC connects the charging door position sensor, the discharging door position sensor, feeding gate electricity respectively
Magnet valve and the Dump gate magnetic valve；
The feeding gate magnetic valve and the Dump gate magnetic valve connect the feeding gate gas-flow closure by tracheae respectively
Circle and the Dump gate gas-flow closure circle；
The PLC is used to drive the feeding gate magnetic valve to be inflated the feeding gate gas-flow closure circle or lose heart behaviour
Make, so that the feeding gate is correspondingly in shutdown state or door opening state；
The PLC is additionally operable to drive the Dump gate magnetic valve to be inflated or lose heart the Dump gate gas-flow closure circle
Operation, so that the Dump gate is correspondingly in shutdown state or door opening state.
It is preferred that the feeding gate magnetic valve and the Dump gate magnetic valve include charging valve and air-outlet valve；
The PLC is used to send feeding gate door signal to the feeding gate magnetic valve, and the feeding gate magnetic valve is used for
The charging valve is opened after the feeding gate door signal is received, to be inflated to the feeding gate gas-flow closure circle
Operation；
The PLC is used to send feeding gate enabling signal to the feeding gate magnetic valve, and the feeding gate magnetic valve is used for
The air-outlet valve is opened after the feeding gate enabling signal is received, to lose heart to the feeding gate gas-flow closure circle
Operation；
The PLC is used to send Dump gate door signal to the Dump gate magnetic valve, and the Dump gate magnetic valve is used for
The charging valve is opened after the Dump gate door signal is received, to be inflated to the Dump gate gas-flow closure circle
Operation；
The PLC is used to send Dump gate enabling signal to the Dump gate magnetic valve, and the Dump gate magnetic valve is used for
The air-outlet valve is opened after the feeding gate enabling signal is received, to lose heart to the Dump gate gas-flow closure circle
Operation.
It is preferred that the feeding gate magnetic valve and the Dump gate magnetic valve include air filled coil and discouraged coil；
The air filled coil electrically connects with the charging valve, and the discouraged coil electrically connects with the air-outlet valve；Institute
The air filled coils and the discouraged coil of the PLC respectively with the feeding gate magnetic valve and the Dump gate magnetic valve is stated to be electrically connected
Connect.
It is preferred that the PLC is used to drive the feeding gate magnetic valve and the Dump gate magnetic valve so that the charging
Door and the Dump gate at most only have one in synchronization and are in door opening state.
It is preferred that the PLC carries Ethernet interface.
It is preferred that the transmission window interlock control also includes client；
The client is connected by ethernet line with the Ethernet interface of the PLC；
The client is used to send control instruction to the PLC, to control the PLC to drive the feeding gate magnetic valve
And/or the Dump gate magnetic valve.
It is preferred that the transmission window interlock control also includes Fingerprint Identification Unit；
The Fingerprint Identification Unit is connected with the PLC；
The Fingerprint Identification Unit is used to send the fingerprint signal for possessing authority to the PLC；
The PLC be used to after the fingerprint signal for possessing authority is received driving the feeding gate magnetic valve and/
Or the Dump gate magnetic valve.
It is preferred that the transmission window interlock control also includes indicator lamp；
The indicator lamp is connected with the PLC；
The indicator lamp, for the signal of the different instruction state sent according to the PLC, show the lamp of different colours
Light.
It is preferred that the different instruction state includes feeding gate shutdown state, feeding gate door opening state, Dump gate shutdown shape
State, Dump gate door opening state and fingerprint authority alarm condition.
Positive effect of the present utility model is：Transmission window interlock control of the present utility model, will not be right
The collection of simulant signal of equipment has an impact, and will not cause to gather signal and show to be forbidden, improve the interlocking of pass-through box inlet/outlet
Reliability.
Brief description of the drawings
Fig. 1 is the structural representation of the transmission window interlock control of the utility model embodiment 1.
Fig. 2 is the structural representation of the transmission window interlock control of the utility model embodiment 2.
Embodiment
The utility model is further illustrated below by the mode of embodiment, but is not therefore limited in the utility model
Among described scope of embodiments.
Embodiment 1
As shown in figure 1, a kind of transmit window interlock control, the both sides of the pass-through box are respectively equipped with the He of feeding gate 21
Dump gate 22, the transmission window interlocking control include：Charging door position sensor 2, discharging door position sensor 5, PLC1, enter
Bin gate magnetic valve 4, Dump gate magnetic valve 7, feeding gate gas-flow closure circle 3 and Dump gate gas-flow closure circle 6.
Charging door position sensor 2, the discharging door position sensor 5 are separately mounted to the feeding gate 21 and described unloaded
On the mechanical lock of bin gate 22, the mechanical lock is sent for detecting the position of the mechanical lock, and to the PLC1
The state of position.
The feeding gate gas-flow closure circle 3 and the Dump gate gas-flow closure circle 6 wrap up the feeding gate 21 and institute respectively
State the edge of Dump gate 22.
The PLC1 connects the charging door position sensor 2, the discharging door position sensor 5, the charging respectively
Door magnetic valve 4 and the Dump gate magnetic valve 7.
It is close that the feeding gate magnetic valve 4 and the Dump gate magnetic valve 7 connect the feeding gate inflation by tracheae respectively
Seal 3 and the Dump gate gas-flow closure circle 6.
The feeding gate magnetic valve 4 and the Dump gate magnetic valve 7 include charging valve and air-outlet valve, the charging
Door magnetic valve 4 and the Dump gate magnetic valve 7 also include air filled coil and discouraged coil, the air filled coil and the inflation
Valve electrically connects, and the discouraged coil electrically connects with the air-outlet valve；The PLC1 respectively with the feeding gate magnetic valve 4 and
The air filled coil of the Dump gate magnetic valve 7 and the discouraged coil electrical connection.
Original state, transmit window interlock control feeding gate 21 and Dump gate 22 all in shutdown state, i.e.,
PLC1 is connected to the contact closure of the air filled coil of feeding gate magnetic valve 4, and PLC1 is connected to the air filled coil of Dump gate magnetic valve 7
Contact also close.
Feeding gate 21 is operated first.
PLC1 receives feeding gate enabling signal, and PLC1 driving feeding gates magnetic valve 4 is carried out to feeding gate gas-flow closure circle 3
Lose heart and operate, so that feeding gate 21 is in door opening state.
Specific workflow, PLC1 send feeding gate enabling signal to feeding gate magnetic valve 4, and feeding gate magnetic valve 4 fills
The contact of gas coil disconnects, and powers off the air filled coil of feeding gate magnetic valve 4, closes charging valve；Feeding gate magnetic valve 4 is let out
The contact closure of gas coil, the discouraged coil of feeding gate magnetic valve 4 is set to obtain electric, opening air-outlet valve, to feeding gate gas-flow closure
Coil 3 carries out operation of losing heart.Now, feeding gate 21 is in door opening state, and user opens feeding gate 21, is put into the thing for needing to transmit
After product, feeding gate 21 is closed.At most there was only one in synchronization due to feeding gate 21 and Dump gate 22 and be in door opening state,
This, when feeding gate 21 is in door opening state, Dump gate 22 can not be opened.
When feeding gate 21 is closed, charging door position sensor 2 detects the location status of feeding gate mechanical lock, to PLC1
The position data of feeding gate mechanical lock is sent, PLC1 learns that feeding gate 21 is currently in and closed according to the position data received
Closed state, PLC1 receive feeding gate door signal, and PLC1 driving feeding gates magnetic valve 4 is carried out to feeding gate gas-flow closure circle 3
Charge operation, so that feeding gate 21 is in shutdown state.
Specific workflow, PLC1 send feeding gate door signal to feeding gate magnetic valve 4, and feeding gate magnetic valve 4 is let out
The contact of gas coil disconnects, and makes the discouraged coil blackout of feeding gate magnetic valve 4, closes air-outlet valve；Feeding gate magnetic valve 4 fills
The contact closure of gas coil, the air filled coil of feeding gate magnetic valve 4 is set to obtain electric, opening charging valve, to feeding gate gas-flow closure
Coil 3 is inflated operation.Now, feeding gate 21 is in shutdown state.
Operated followed by Dump gate 22.
PLC1 receives Dump gate enabling signal, and PLC1 receives Dump gate enabling signal, PLC1 driving Dump gate electromagnetism
Valve 7 carries out operation of losing heart to Dump gate gas-flow closure circle 6, so that Dump gate 22 is in door opening state.
Specific workflow, PLC1 send Dump gate enabling signal to Dump gate magnetic valve 7, and Dump gate magnetic valve 7 fills
The contact of gas coil disconnects, and powers off the air filled coil of Dump gate magnetic valve 7, closes charging valve；Dump gate magnetic valve 7 is let out
The contact closure of gas coil, the discouraged coil of Dump gate magnetic valve 7 is set to obtain electric, opening air-outlet valve, to Dump gate gas-flow closure
Coil 6 carries out operation of losing heart.Now, Dump gate 22 is in door opening state, and Dump gate 22 allows to be opened, and takes out the thing being passed
After product, Dump gate 22 is closed.At most there was only one in synchronization due to feeding gate 21 and Dump gate 22 and be in door opening state,
This, when Dump gate 22 is in door opening state, feeding gate 21 can not be opened.
When Dump gate 22 is closed, discharging door position sensor 5 detects the location status of Dump gate mechanical lock, to PLC1
The position data of Dump gate mechanical lock is sent, PLC1 learns that Dump gate 22 is currently in and closed according to the position data received
Closed state, PLC1 receive Dump gate door signal, and PLC1 driving Dump gates magnetic valve 7 is carried out to Dump gate gas-flow closure circle 6
Charge operation, so that Dump gate 22 is in shutdown state.
Specific workflow, PLC1 send Dump gate door signal to Dump gate magnetic valve 7, and Dump gate magnetic valve 7 is let out
The contact of gas coil disconnects, and makes the discouraged coil blackout of Dump gate magnetic valve 7, closes air-outlet valve；Dump gate magnetic valve 7 fills
The contact closure of gas coil, the air filled coil of Dump gate magnetic valve 7 is set to obtain electric, opening charging valve, to Dump gate gas-flow closure
Coil 6 is inflated operation.Now, Dump gate 22 is in shutdown state.
The no sequencing of operation of the feeding gate 21 and Dump gate 22 of the present embodiment.
The transmission window interlock control of the present embodiment, is free of using position sensor, gas-flow closure circle, magnetic valve etc.
The device of electromagnet transmits window action to control, and will not produce interference to pass-through box accelerator control system, not interfere with simulation letter
Number collection, greatly improve equipment feeding gate and Dump gate interlocking reliability.Meanwhile will not also be used because of long-time,
Residual magnetism is produced, and hinders to open the door, more environment will not be polluted because magnet gets rusty, make transmission thing not contaminated.
Embodiment 2
The transmission window interlock control of the present embodiment is substantially the same manner as Example 1, and the main distinction is：Such as Fig. 2 institutes
Show, the transmission window interlock control of the present embodiment also includes：Client 8, Fingerprint Identification Unit 9 and indicator lamp 10.
The PLC1 of the present embodiment carries Ethernet interface, and client 8 is connected by ethernet line and PLC1 Ethernet interface；
PLC1 connects Fingerprint Identification Unit 9 and indicator lamp 10 respectively.
User carries out finger print identifying, Fingerprint Identification Unit 9 on Fingerprint Identification Unit 9 first before feeding gate 21 is opened in operation
The fingerprint signal for possessing authority is sent to PLC1.
Then, user carries out feeding gate opening door operation in client 8, and client 8 sends feeding gate enabling signal to PLC1.
If without finger print identifying is first carried out, user directly operates client 8, or non-authority personnel carry out finger print identifying,
PLC1 can send the signal of fingerprint authority warning to indicator lamp 10, and indicator lamp 10 shows the color abnormal for representing fingerprint authority
Light.
After PLC1 receives the fingerprint signal for possessing authority and feeding gate enabling signal, PLC1 is sent out to feeding gate magnetic valve 4
While being sent into bin gate enabling signal, the signal of feeding gate door opening state is sent to indicator lamp 10, indicator lamp 10 is shown for table
Show the light of the color of feeding gate door opening state.
When user closes feeding gate 21, it is also necessary to first carry out fingerprint recognition, Fingerprint Identification Unit 9 is sent to PLC1 possesses authority
Fingerprint signal.Then, the shutdown action of feeding gate 21 is carried out.
Close feeding gate 21 if not done by fingerprint recognition, or non-authority personnel carry out finger print identifying, PLC1 can be to
Indicator lamp 10 sends the signal of fingerprint authority warning, and indicator lamp 10 shows the light for representing the abnormal color of fingerprint authority.
PLC1 receives the feeding gate mechanical lock that the fingerprint signal for possessing authority and charging door position sensor 2 are sent
After position data, PLC1 sends feeding gate door signal to feeding gate magnetic valve 4, meanwhile, send feeding gate to indicator lamp 10 and close
The signal of door state, indicator lamp 10 show the light of the color for representing feeding gate shutdown state.
Likewise, user carries out finger print identifying, fingerprint on Fingerprint Identification Unit 9 first before Dump gate 22 is opened in operation
Identifier 9 sends the fingerprint signal for possessing authority to PLC1.
Then, user carries out Dump gate opening door operation in client 8, and client 8 sends Dump gate enabling signal to PLC1.
If without finger print identifying is first carried out, user directly operates client 8, or non-authority personnel carry out finger print identifying,
PLC1 can send the signal of fingerprint authority warning to indicator lamp 10, and indicator lamp 10 shows the color abnormal for representing fingerprint authority
Light.
After PLC1 receives the fingerprint signal for possessing authority and Dump gate enabling signal, PLC1 is sent out to Dump gate magnetic valve 7
While sending Dump gate enabling signal, the signal of Dump gate door opening state is sent to indicator lamp 10, indicator lamp 10 is shown for table
Show the light of the color of Dump gate door opening state.
When user closes Dump gate 22, it is also necessary to first carry out fingerprint recognition, Fingerprint Identification Unit 9 is sent to PLC1 possesses authority
Fingerprint signal.Then, the shutdown action of Dump gate 22 is carried out.
Close Dump gate 22 if not done by fingerprint recognition, or non-authority personnel carry out finger print identifying, PLC1 can be to
Indicator lamp 10 sends the signal of fingerprint authority warning, and indicator lamp 10 shows the light for representing the abnormal color of fingerprint authority.
PLC1 receives the Dump gate mechanical lock that the fingerprint signal for possessing authority and discharging door position sensor 5 are sent
After position data, PLC1 sends Dump gate door signal to Dump gate magnetic valve 7, meanwhile, send Dump gate to indicator lamp 10 and close
The signal of door state, indicator lamp 10 show the light of the color for representing Dump gate shutdown state.
The transmission window interlock control of the present embodiment, purview certification is carried out using Fingerprint Identification Unit, improves transmission
The security of window interlock system, and feeding gate, the enabling of Dump gate and shutdown state, and fingerprint power are shown by indicator lamp
Alarm condition is limited, makes user's operationally more directly perceivedization.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
Member can make numerous variations or repair to these embodiments on the premise of without departing substantially from principle of the present utility model and essence
Change, but these changes and modification each fall within the scope of protection of the utility model.
Claims (9)
1. one kind transmits window interlock control, the both sides for transmitting window are respectively equipped with feeding gate and Dump gate, and its feature exists
In the transmission window interlock control includes：Feed door position sensor, discharging door position sensor, PLC, feeding gate
Magnetic valve, Dump gate magnetic valve, feeding gate gas-flow closure circle and Dump gate gas-flow closure circle；
The charging door position sensor, the discharging door position sensor are separately mounted to the feeding gate and the Dump gate
Mechanical lock on, for detecting the position of the mechanical lock, and send to the PLC positional number of the mechanical lock
According to；
The feeding gate gas-flow closure circle and the Dump gate gas-flow closure circle wrap up the feeding gate and the Dump gate respectively
Edge；
The PLC connects the charging door position sensor, the discharging door position sensor, the feeding gate magnetic valve respectively
With the Dump gate magnetic valve；
The feeding gate magnetic valve and the Dump gate magnetic valve connected respectively by tracheae the feeding gate gas-flow closure circle and
The Dump gate gas-flow closure circle；
The PLC is used to drive the feeding gate magnetic valve to be inflated the feeding gate gas-flow closure circle or lose heart operation,
So that the feeding gate is correspondingly in shutdown state or door opening state；
The PLC is additionally operable to drive the Dump gate magnetic valve to be inflated the Dump gate gas-flow closure circle or lose heart behaviour
Make, so that the Dump gate is correspondingly in shutdown state or door opening state.
2. window interlock control is transmitted as claimed in claim 1, it is characterised in that the feeding gate magnetic valve and described
Dump gate magnetic valve includes charging valve and air-outlet valve；
The PLC is used to send feeding gate door signal to the feeding gate magnetic valve, and the feeding gate magnetic valve is used to connect
The charging valve is opened after receiving the feeding gate door signal, to be inflated behaviour to the feeding gate gas-flow closure circle
Make；
The PLC is used to send feeding gate enabling signal to the feeding gate magnetic valve, and the feeding gate magnetic valve is used to connect
The air-outlet valve is opened after receiving the feeding gate enabling signal, to carry out the behaviour that loses heart to the feeding gate gas-flow closure circle
Make；
The PLC is used to send Dump gate door signal to the Dump gate magnetic valve, and the Dump gate magnetic valve is used to connect
The charging valve is opened after receiving the Dump gate door signal, to be inflated behaviour to the Dump gate gas-flow closure circle
Make；
The PLC is used to send Dump gate enabling signal to the Dump gate magnetic valve, and the Dump gate magnetic valve is used to connect
The air-outlet valve is opened after receiving the Dump gate enabling signal, to carry out the behaviour that loses heart to the Dump gate gas-flow closure circle
Make.
3. window interlock control is transmitted as claimed in claim 2, it is characterised in that the feeding gate magnetic valve and described
Dump gate magnetic valve includes air filled coil and discouraged coil；
The air filled coil electrically connects with the charging valve, and the discouraged coil electrically connects with the air-outlet valve；The PLC
Electrically connected respectively with the air filled coil and the discouraged coil of the feeding gate magnetic valve and the Dump gate magnetic valve.
4. transmit window interlock control as claimed in claim 1, it is characterised in that the PLC be used to driving it is described enter
Bin gate magnetic valve and the Dump gate magnetic valve so that the feeding gate and the Dump gate at most only have one in synchronization
In door opening state.
5. window interlock control is transmitted as claimed in claim 1, it is characterised in that the PLC carries Ethernet interface.
6. window interlock control is transmitted as claimed in claim 5, it is characterised in that the transmission window interlocking control system
System also includes client；
The client is connected by ethernet line with the Ethernet interface of the PLC；
The client is used to send control instruction to the PLC, with control the PLC drive the feeding gate magnetic valve and/
Or the Dump gate magnetic valve.
7. window interlock control is transmitted as claimed in claim 1, it is characterised in that the transmission window interlocking control system
System also includes Fingerprint Identification Unit；
The Fingerprint Identification Unit is connected with the PLC；
The Fingerprint Identification Unit is used to send the fingerprint signal for possessing authority to the PLC；
The PLC is used to drive the feeding gate magnetic valve and/or institute after the fingerprint signal for possessing authority is received
State Dump gate magnetic valve.
8. window interlock control is transmitted as claimed in claim 7, it is characterised in that the transmission window interlocking control system
System also includes indicator lamp；
The indicator lamp is connected with the PLC；
The indicator lamp, for the signal of the different instruction state sent according to the PLC, show the light of different colours.
9. as claimed in claim 8 transmit window interlock control, it is characterised in that the different instruction state include into
Bin gate shutdown state, feeding gate door opening state, Dump gate shutdown state, Dump gate door opening state and fingerprint authority alarm condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902482.9U CN207160921U (en) | 2017-07-24 | 2017-07-24 | Transmit window interlock control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902482.9U CN207160921U (en) | 2017-07-24 | 2017-07-24 | Transmit window interlock control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207160921U true CN207160921U (en) | 2018-03-30 |
Family
ID=61714198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720902482.9U Expired - Fee Related CN207160921U (en) | 2017-07-24 | 2017-07-24 | Transmit window interlock control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207160921U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979337A (en) * | 2018-08-29 | 2018-12-11 | 希瑞干细胞科技有限公司 | The pass-through box of automatic disinfection |
| CN111663860A (en) * | 2020-06-29 | 2020-09-15 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Interlocking double door |
| CN112081513A (en) * | 2019-12-25 | 2020-12-15 | 上海厚普科技发展有限公司 | Air-tight door control system and control method |
-
2017
- 2017-07-24 CN CN201720902482.9U patent/CN207160921U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979337A (en) * | 2018-08-29 | 2018-12-11 | 希瑞干细胞科技有限公司 | The pass-through box of automatic disinfection |
| CN112081513A (en) * | 2019-12-25 | 2020-12-15 | 上海厚普科技发展有限公司 | Air-tight door control system and control method |
| CN111663860A (en) * | 2020-06-29 | 2020-09-15 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Interlocking double door |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20210724 |
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| CF01 | Termination of patent right due to non-payment of annual fee |