CN209093395U - A kind of novel temperature changing test chamber - Google Patents
A kind of novel temperature changing test chamber Download PDFInfo
- Publication number
- CN209093395U CN209093395U CN201821806086.7U CN201821806086U CN209093395U CN 209093395 U CN209093395 U CN 209093395U CN 201821806086 U CN201821806086 U CN 201821806086U CN 209093395 U CN209093395 U CN 209093395U
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- low temperature
- hot room
- pull rod
- door
- cabinet
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Abstract
The utility model provides a kind of novel temperature changing test chamber, including cabinet, rubber every curtain, hermatic door, heating device, refrigerating plant；The inside of the cabinet is equipped with the thermal baffle being vertically arranged, and the inside of cabinet is divided into the hot room in left side and the low temperature chamber on right side by the thermal baffle；The thermal baffle is equipped with the communication port for being connected to hot room and low temperature chamber, is equipped with rubber from left to right every curtain and hermatic door at the communication port；The top of hermatic door and thermal baffle are hinged；Top inside the low temperature chamber is equipped with shaft, and described pull rod one end is connect with shaft, and the other end is connect with hermatic door；The slide bar for passing through communication port from left to right is additionally provided in the cabinet, and sliding is equipped with articles holding table on slide bar；The outside of the cabinet is equipped with the cylinder that telescopic direction is parallel to slide bar, and the telescopic rod of cylinder is connect with articles holding table.Novel temperature changing test chamber described in the utility model can fast implement alternating temperature, and uniformity of temperature profile.
Description
Technical field
The utility model belongs to technical field of test equipment, more particularly, to a kind of novel temperature changing test chamber.
Background technique
Temperature changing test chamber can be used to test material or the composite material institute in the case where moment is through the environment of very high temperature and extremely low temperature
Patient degree tests it in the shortest time and thermally expands chemical change or physical injury caused by shrinkage.Its test pair
As can also be electronic apparatus components, automation components, communication part, electronic chip, automobile parts, PCB substrate, gold
Category, chemical material, high molecular material, plastic cement etc..It is widely used in the neck such as national defense industry, aerospace and appliance industry
Domain.
Existing temperature change test box structure design is relatively complicated, and unreasonable, heating, cooling process is longer, can not achieve fast
Fast alternating temperature, and temperature distribution is non-uniform for hot environment and low temperature environment.
Utility model content
In view of this, the utility model is directed to a kind of novel temperature changing test chamber that can fast implement alternating temperature, and temperature
Degree is evenly distributed.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of novel temperature changing test chamber, including cabinet, thermal baffle, rubber every curtain, hermatic door, shaft, pull rod, slide bar,
Articles holding table, cylinder, heating device, refrigerating plant, the first fan, the second fan and motor；
The inside of the cabinet is equipped with the thermal baffle being vertically arranged, and the inside of cabinet is divided into left side by the thermal baffle
Hot room and right side low temperature chamber, the heating device is used to for hot room provide hot environment, and the refrigerating plant is used for
Low temperature environment is provided for low temperature chamber, the first fan is additionally provided at the top of the hot room, is additionally provided at the top of the low temperature chamber
Two fans；
The thermal baffle is equipped with communication port for being connected to hot room and low temperature chamber, at the communication port from left to right
Equipped with rubber every curtain and hermatic door, the rubber is fixed on thermal baffle at the top of curtain；The edge of the hermatic door is equipped with
The sealing strip to seal, the top of hermatic door and thermal baffle are hinged；Top inside the low temperature chamber is equipped with shaft, turns
Axis is connect by the motor driven outside cabinet, described pull rod one end with shaft, and the other end is connect with hermatic door, and pull rod is by shaft band
The dynamic opening and closing for realizing hermatic door；
The slide bar for passing through communication port from left to right is additionally provided in the cabinet, and sliding is equipped with articles holding table on slide bar；It is described
The outside of cabinet is equipped with the cylinder that telescopic direction is parallel to slide bar, and the telescopic rod of cylinder is connect with articles holding table, and cylinder drives glove
Platform is travelled to and fro between hot room and low temperature chamber.
Further, the hermatic door includes the first door-plate and the second door-plate being hinged, the top of the first door-plate and absolutely
Hot partition is hinged；The pull rod includes the first pull rod and the second pull rod being hinged, and the first pull rod is also fixedly connected with shaft,
Second pull rod is also hinged with the second door-plate.
Further, second door-plate is equipped with connection ring, and second pull rod and connection ring are hinged.
Further, the heating device includes air heater, the air heater by discharge pipe and circulation pipe with
Hot room is connected to, and is also connected with aspiration pump on the discharge pipe, is also connected with circulating pump on the circulation pipe；On the air heater
It is additionally provided with blast pipe.
Further, the discharge pipe, which protrudes into, is additionally provided with several air-exhausting ducts arranged in parallel on the tube body inside hot room,
Air-exhausting duct is equipped with vent.
Further, the discharge pipe is connected to the lower part of hot room, and the circulation pipe is connected to the top of hot room.
Further, the refrigerating plant includes evaporator, condenser and compressor；The evaporator is coiled evaporation
Device, the evaporator are mounted on low temperature chamber top, and the outside of low temperature chamber is arranged in the condenser and compressor；The evaporator
Connect condenser by cold pipeline, the condenser by cold pipeline connect compressor, the compressor by route with
Electrical system connection.
Further, the cabinet is equipped with the bracket for being used to support motor.
Further, thermometer is equipped in the hot room and low temperature chamber.
Further, the hot room and low temperature chamber are equipped with dodge gate, and the dodge gate is equipped with transparent windows.
Further, the side wall of the cabinet is equipped with insulating layer.
Compared with the existing technology, novel temperature changing test chamber described in the utility model has the advantage that
(1) cabinet of novel temperature changing test chamber described in the utility model is separated into hot room and low temperature by thermal baffle
Room, hot room are used to provide hot environment, and low temperature chamber is used to provide low temperature environment, when in use, can in advance by hot room and
The temperature of low temperature chamber is set to needs, so that test specimen to be measured is travelled to and fro between hot room and low temperature chamber using cylinder, is not needed
Heating cooling is waited, realizes fast cooling.Rubber is equipped at communication port between hot room and low temperature chamber every curtain and hermatic door, rubber
Glue separates hot and cold air when curtain is used in the round-trip hot room of test specimen to be measured and low temperature chamber, and hermatic door is for realizing hot room and low
The sealed separation in greenhouse.It is additionally provided with the first fan at the top of hot room, the second fan, the first fan are additionally provided at the top of low temperature chamber
It can reinforce gas flowing with the second fan, so that indoor temperature becomes more evenly.
(2) hermatic door described in the utility model includes the first door-plate and the second door-plate being hinged, and pull rod includes phase
Mutually hinged the first pull rod and the second pull rod.When shaft rotates, the first pull rod of drive and the second pull rod are moved, so that second
Pull rod pulls the second door-plate, and the second door-plate drives the first door-plate, so that hermatic door is opened, it is easy to operate.
(3) it is equipped with thermometer in hot room and low temperature chamber described in the utility model, facilitates monitoring hot room and low temperature
Indoor temperature；Hot room and low temperature chamber are equipped with dodge gate, and dodge gate is equipped with transparent windows, and observation window is convenient for observation ward
Interior situation.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram of novel temperature changing test chamber described in the utility model embodiment；
Fig. 2 is the schematic perspective view of novel temperature changing test chamber described in the utility model embodiment；
Fig. 3 is the structural schematic diagram of hermatic door described in the utility model embodiment；
Fig. 4 is the structural schematic diagram of pull rod described in the utility model embodiment.
Description of symbols:
1- cabinet；2- thermal baffle；3- hot room；4- low temperature chamber；5- communication port；6- rubber is every curtain；7- hermatic door；8- turns
Axis；9- pull rod；10- slide bar；11- articles holding table；12- cylinder；13- air heater；14- discharge pipe；15- aspiration pump；16- air draft
Pipe；17- blast pipe；18- circulation pipe；19- circulating pump；The first fan of 20-；21- evaporator；22- condenser；23- compressor；
The second fan of 24-；25- motor；26- bracket；The first door-plate of 27-；The second door-plate of 28-；29- connection ring；The first pull rod of 30-；31-
Second pull rod.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of novel temperature changing test chamber, including cabinet 1, thermal baffle 2, rubber every curtain 6, hermatic door 7, shaft 8, pull rod 9,
Slide bar 10, articles holding table 11, cylinder 12, heating device, refrigerating plant, the first fan 20, the second fan 24 and motor 25；
The inside of the cabinet 1 is equipped with the thermal baffle 2 being vertically arranged, and the inside of cabinet 1 is divided by the thermal baffle 2
The hot room 3 in left side and the low temperature chamber 4 on right side, the heating device are used to provide hot environment, the refrigeration dress for hot room 3
It sets for providing low temperature environment for low temperature chamber 4, the top of the hot room 3 is additionally provided with the first fan 20, the top of the low temperature chamber 4
Portion is additionally provided with the second fan 24；
The thermal baffle 2 is equipped with communication port 5 for being connected to hot room 3 and low temperature chamber 4, at the communication port 5 from
Left-to-right is equipped with rubber every curtain 6 and hermatic door 7, and the rubber is fixed on thermal baffle 2 every the top of curtain 6；The hermatic door 7
Edge be equipped with the sealing strip that seals, the top of hermatic door 7 and thermal baffle 2 are hinged；It is upper inside the low temperature chamber 4
Portion is equipped with shaft 8, and shaft 8 drives by the motor 25 outside cabinet 1, and described 9 one end of pull rod is connect with shaft 8, the other end with it is close
7 connection of closure door, pull rod 9 are driven the opening and closing for realizing hermatic door by shaft 8；
The slide bar 10 for passing through communication port 5 from left to right is additionally provided in the cabinet 1, and sliding is equipped with articles holding table on slide bar 10
11；The outside of the cabinet 1 is equipped with the cylinder 12 that telescopic direction is parallel to slide bar 10, and the telescopic rod and articles holding table 11 of cylinder 12 connect
It connects, cylinder 12 drives articles holding table 11 to travel to and fro between hot room 3 and low temperature chamber 4.
Specifically, the strip sheet rubber that the rubber is 2 pieces or more every curtain 2, and guarantee that articles holding table 11 can be adjacent from 2
Sheet rubber between pass through, rubber every curtain 2 material be high-temperature resistant rubber.
The shaft 8 is arranged along the front-rear direction of cabinet 1, and pull rod 9 is mutually perpendicular to shaft 8.
The hermatic door 7 uses heat-insulating material.
The cabinet 1 of novel temperature changing test chamber described in the present embodiment is separated into hot room 3 and low temperature chamber by thermal baffle 2
4, hot room 3 is used to provide hot environment, and low temperature chamber 4 is used to provide low temperature environment, when in use, can in advance by hot room and
The temperature of low temperature chamber is set to needs, so that test specimen to be measured is travelled to and fro between hot room 3 and low temperature chamber 4 using cylinder 12, no
It needs that heating is waited to cool down, realizes fast cooling.Rubber is equipped at communication port 5 between hot room 3 and low temperature chamber 4 every 6 He of curtain
Hermatic door, rubber are used every curtain 6 for separating hot and cold air, hermatic door 7 when test specimen to be measured travels to and fro between hot room 3 and low temperature chamber 4
In the sealed separation for realizing hot room and low temperature chamber.The top of hot room 3 is additionally provided with the first fan 20, and the top of low temperature chamber 4 is also
Equipped with the second fan 24, the first fan 20 and the second fan 24 can reinforce gas flowing, so that indoor temperature becomes more
It is even.
When being tested, heated up respectively to hot room 3 and low temperature chamber 4 by heating device and refrigerating plant
And cooling, reinforce the flowing of indoor gas by the first fan 20 and the second fan 24 respectively in heating and process of refrigerastion, makes
Obtaining indoor temperature becomes more evenly, and measures indoor temperature by temperature measurement tool.When reach need temperature when, will be to be tested
Part is placed on articles holding table 11, stands certain time, then starts cylinder 12, articles holding table 11 is pushed to 5 attachment of communication port, is led to
Crossing motor 25 drives shaft 8 to rotate, so that pull rod 9 opens hermatic door 7, restarts cylinder 12 at this time, by articles holding table 11
Low temperature chamber 4 is pushed to, test specimen moment to be measured is made to be transformed into low temperature environment by hot environment, realizes that the quick temperature of test specimen to be measured becomes examination
It tests.
It is above-mentioned be embodiment on the basis of, illustratively, the hermatic door 7 includes 27 He of the first door-plate that is hinged
Second door-plate 28, the top of the first door-plate 27 and thermal baffle 2 are hinged；The pull rod 9 includes the first pull rod 30 being hinged
With the second pull rod 31, the first pull rod 30 is also fixedly connected with shaft 8, and the first pull rod 30 is vertical with shaft 8, and the second pull rod 31 is also
It is hinged with the second door-plate 28.
Specifically, second door-plate 28 is equipped with connection ring 29, second pull rod 31 and connection ring 29 are hinged.
Hermatic door 7 described in the present embodiment includes the first door-plate 27 and the second door-plate 28 being hinged, and pull rod 9 includes phase
Mutually hinged the first pull rod 30 and the second pull rod 31.When motor 25 drives shaft 8 to rotate, the first pull rod 30 is rotated with shaft 8, and
The second pull rod 31 is driven to move, so that the second pull rod 31 pulls the second door-plate 28, the second door-plate 28 drives the first door-plate 27,
So that hermatic door 7 is opened, it is easy to operate.
On the basis of the above embodiments, illustratively, the heating device includes air heater 13, and the air adds
Hot device 13 is connected to by discharge pipe 14 and circulation pipe 18 with hot room 3, and aspiration pump 15 is also connected on the discharge pipe 14, described to follow
Circulating pump 19 is also connected on endless tube 18；Blast pipe 17 is additionally provided on the air heater 13.
Wherein, for air heater 13 using usual hardware equipment in the prior art, air heater is main right
The electric heating equipment that gas stream is heated.The heater element of air heater is stainless steel electric heating tube, and heater inner cavity is set
There are multiple baffle plate deflectors, guide gas flow, extends gas in the residence time of inner cavity, thus heat gas sufficiently,
Make gas homogeneous heating, improves heat exchanger effectiveness.Stainless steel heating tube is that heating wire is packed into seamless steel pipe, and gap section is filled out
Completely have after thermal conductive resin and the magnesia powder of insulating properties made of the draw.When electric current passes through high temperature resistance silk, generate
Heat by crystal magnesium oxide powder to heating tube diffusion into the surface, then be transmitted in heated air, to achieve the purpose that heating.
Specifically, being additionally provided with several air drafts arranged in parallel on the tube body that the discharge pipe 14 protrudes into inside hot room 3
Pipe 16, air-exhausting duct 16 are equipped with vent, and more air-exhausting ducts 16 are conducive to being uniformly distributed for hot wind.
Specifically, the discharge pipe 14 is connected to the lower part of hot room 3, the top of the circulation pipe 18 and hot room 3 connects
It is logical.
Illustratively, the refrigerating plant includes evaporator 21, condenser 22 and compressor 23；The evaporator 21 is disk
Tubular evaparator, the evaporator 21 are mounted on the top of low temperature chamber 4, and the condenser 22 and compressor 23 are arranged in low temperature chamber
4 outside；The evaporator 21 connects condenser 22 by cold pipeline, and the condenser 22 passes through the connection compression of cold pipeline
Machine 23, the compressor are connect by route with electrical system.
The evaporator 21 is located at the lower section of the second fan 24, in order to which the second fan 24 blows downwards cold wind, accelerates empty
Flow of air.
Illustratively, the cabinet 1 is equipped with the bracket 26 for being used to support motor 25.
Illustratively, it is equipped with thermometer in the hot room 3 and low temperature chamber 4, thermometer can be used for monitoring room temperature
Variation.
Illustratively, the hot room 3 and low temperature chamber 4 are equipped with dodge gate, and the dodge gate is equipped with transparent windows,
The thermometer can be set at transparent windows, facilitate observation.
The side wall of the cabinet 1 is equipped with insulating layer.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of novel temperature changing test chamber, it is characterised in that: including cabinet (1), thermal baffle (2), rubber every curtain (6), sealing
Door (7), shaft (8), pull rod (9), slide bar (10), articles holding table (11), cylinder (12), heating device, refrigerating plant, the first fan
(20), the second fan (24) and motor (25)；
The inside of the cabinet (1) is equipped with the thermal baffle (2) that is vertically arranged, and the thermal baffle (2) is by the inside of cabinet (1)
It is divided into the hot room (3) in left side and the low temperature chamber (4) on right side, the heating device is used to provide hot environment for hot room (3),
The refrigerating plant is used to provide low temperature environment for low temperature chamber (4), is additionally provided with the first fan at the top of the hot room (3)
(20), the second fan (24) are additionally provided at the top of the low temperature chamber (4)；
The thermal baffle (2) is equipped with the communication port (5) for being connected to hot room (3) and low temperature chamber (4), the communication port
(5) rubber is equipped at from left to right every curtain (6) and hermatic door (7), the rubber is fixed on thermal baffle at the top of curtain (6)
(2) on；The edge of the hermatic door (7) is equipped with the sealing strip to seal, the top and thermal baffle (2) of hermatic door (7)
Hingedly；The internal top of the low temperature chamber (4) is equipped with shaft (8), and shaft (8) is driven by the external motor (25) of cabinet (1), institute
It states pull rod (9) one end to connect with shaft (8), the other end is connect with hermatic door (7), and pull rod (9) is driven by shaft (8) and realizes sealing
The opening and closing of door；
It is additionally provided with the slide bar (10) for passing through communication port (5) from left to right in the cabinet (1), and slides to be equipped on slide bar (10) and set
Object platform (11)；The outside of the cabinet (1) is equipped with the cylinder (12) that telescopic direction is parallel to slide bar (10), and cylinder (12) stretches
Bar is connect with articles holding table (11), and cylinder (12) drives articles holding table (11) to travel to and fro between hot room (3) and low temperature chamber (4).
2. novel temperature changing test chamber according to claim 1, it is characterised in that: the hermatic door (7) includes being hinged
The first door-plate (27) and the second door-plate (28), the top of the first door-plate (27) and thermal baffle (2) are hinged；The pull rod (9)
Including the first pull rod (30) and the second pull rod (31) being hinged, the first pull rod (30) is also fixedly connected with shaft (8), and second
Pull rod (31) is also hinged with the second door-plate (28).
3. novel temperature changing test chamber according to claim 2, it is characterised in that: second door-plate (28) is equipped with connection
Ring (29), second pull rod (31) and connection ring (29) are hinged.
4. novel temperature changing test chamber according to claim 1, it is characterised in that: the heating device includes air heater
(13), the air heater (13) is connected to by discharge pipe (14) and circulation pipe (18) with hot room (3), the discharge pipe
(14) it is also connected on aspiration pump (15), is also connected with circulating pump (19) on the circulation pipe (18)；On the air heater (13)
It is additionally provided with blast pipe (17).
5. novel temperature changing test chamber according to claim 4, it is characterised in that: the discharge pipe (14) protrudes into hot room
(3) several air-exhausting ducts (16) arranged in parallel are additionally provided on internal tube body, air-exhausting duct (16) is equipped with vent.
6. novel temperature changing test chamber according to claim 4, it is characterised in that: the discharge pipe (14) and hot room (3)
Lower part connection, the circulation pipe (18) is connected to the top of hot room (3).
7. novel temperature changing test chamber according to claim 1, it is characterised in that: the refrigerating plant includes evaporator
(21), condenser (22) and compressor (23)；The evaporator (21) is pipe-coil type evaporator, and the evaporator (21) is mounted on
The outside of the top of low temperature chamber (4), the condenser (22) and compressor (23) setting in low temperature chamber (4)；The evaporator
(21) by cold pipeline connection condenser (22), the condenser (22) is described by cold pipeline connect compressor (23)
Compressor is connect by route with electrical system.
8. novel temperature changing test chamber according to claim 1, it is characterised in that: the cabinet (1) is equipped with and is used to support
The bracket (26) of motor (25).
9. novel temperature changing test chamber according to claim 1, it is characterised in that: in the hot room (3) and low temperature chamber (4)
It is equipped with thermometer.
10. novel temperature changing test chamber according to claim 1, it is characterised in that: the hot room (3) and low temperature chamber (4)
It is equipped with dodge gate, the dodge gate is equipped with transparent windows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806086.7U CN209093395U (en) | 2018-11-02 | 2018-11-02 | A kind of novel temperature changing test chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821806086.7U CN209093395U (en) | 2018-11-02 | 2018-11-02 | A kind of novel temperature changing test chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209093395U true CN209093395U (en) | 2019-07-12 |
Family
ID=67158005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821806086.7U Expired - Fee Related CN209093395U (en) | 2018-11-02 | 2018-11-02 | A kind of novel temperature changing test chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209093395U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537854A (en) * | 2020-05-14 | 2020-08-14 | 哈尔滨理工大学 | Temperature-variable multifunctional sample chamber |
| CN112858371A (en) * | 2021-02-02 | 2021-05-28 | 桂林理工大学 | Indoor building thermal environment experimental box |
| CN113976190A (en) * | 2021-11-12 | 2022-01-28 | 深圳市帝晶光电科技有限公司 | Improve blind hole product crescent pixel light leak constant temperature and humidity machine for |
-
2018
- 2018-11-02 CN CN201821806086.7U patent/CN209093395U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537854A (en) * | 2020-05-14 | 2020-08-14 | 哈尔滨理工大学 | Temperature-variable multifunctional sample chamber |
| CN112858371A (en) * | 2021-02-02 | 2021-05-28 | 桂林理工大学 | Indoor building thermal environment experimental box |
| CN112858371B (en) * | 2021-02-02 | 2022-06-03 | 桂林理工大学 | Indoor building thermal environment experimental box |
| CN113976190A (en) * | 2021-11-12 | 2022-01-28 | 深圳市帝晶光电科技有限公司 | Improve blind hole product crescent pixel light leak constant temperature and humidity machine for |
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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: 20190712 Termination date: 20201102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |