CN210117443U - A pipeline structure for electrophoresis tank drain - Google Patents
A pipeline structure for electrophoresis tank drain Download PDFInfo
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- CN210117443U CN210117443U CN201920604192.5U CN201920604192U CN210117443U CN 210117443 U CN210117443 U CN 210117443U CN 201920604192 U CN201920604192 U CN 201920604192U CN 210117443 U CN210117443 U CN 210117443U
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- liquid
- electrophoresis
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- tank
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- 238000001962 electrophoresis Methods 0.000 title claims abstract description 117
- 239000007788 liquid Substances 0.000 claims abstract description 156
- 238000001816 cooling Methods 0.000 claims description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a pipeline structure for electrophoresis tank leads liquid relates to electrophoresis application's technical field, including electrophoresis tank body and first feed liquor pipe and the first drain pipe of intercommunication on the electrophoresis tank body, electrophoresis tank body intercommunication has the reserve tank, be provided with a plurality of public pipes between first drain pipe and the first feed liquor pipe, be equipped with the buffer tank between a plurality of public pipes, be equipped with temperature sensor on the buffer tank, the buffer tank intercommunication has the heat exchanger, be equipped with feed liquor mouth and drain nozzle on the heat exchanger, be equipped with first solenoid valve and second solenoid valve on feed liquor mouth and the drain nozzle respectively, first solenoid valve and second solenoid valve are connected with temperature sensor control, drain nozzle and one of them public pipe intercommunication, be equipped with on a plurality of public pipes and be used for controlling the valve group of pipeline circulation between electrophoresis tank body and the reserve tank. Through the setting, the temperature of electrophoresis liquid can be effectively detected, the phenomenon that the electrophoresis liquid is damaged due to overhigh temperature of the electrophoresis liquid is further reduced, and the cost loss is effectively reduced.
Description
Technical Field
The utility model belongs to the technical field of the technique of electrophoresis application and specifically relates to a pipeline structure for electrophoresis tank drain is related to.
Background
The electrodeposition coating is a coating method in which particles such as pigments and resins suspended in an electrophoretic fluid are directionally transferred by an applied electric field and deposited on the surface of a substrate, which is one of electrodes, and is a special coating film forming method developed in recent 30 years, and is a construction process having the most practical significance for aqueous coatings. The water-soluble and nontoxic paint has the characteristics of water solubility, no toxicity, easy automation control and the like, and can be rapidly and widely applied to industries such as automobiles, building materials, hardware, household appliances and the like. The electrophoresis tank is often used during electrophoresis coating, the tank body of the electrophoresis tank is divided into a boat-shaped tank and a rectangular tank according to different conveying modes of workpieces, the boat-shaped tank is suitable for a continuous through type electrophoresis coating production line, and the rectangular tank is suitable for an intermittent vertical lifting type electrophoresis coating production line.
The chinese patent of grant bulletin number CN208748237U, an impurity cleaning device for auto-parts's electrophoresis equipment is proposed, including the electrophoresis tank, the spray assembly, the collecting vat, the electrophoresis tank is the ship type, the bottom of electrophoresis tank is provided with a plurality of flowing back and divides the pipe, a plurality of flowing back divide to be provided with the flowing back house steward that is connected to the collecting vat upper end between the pipe, be provided with between house steward and the collecting vat and be used for also carrying the electrophoresis be provided with the three-way valve on the suction pump flowing back house steward in the collecting vat, be connected with the drain pipe on the three-way valve interface, the middle part of collecting vat is provided with filtering component, be provided.
The above prior art solutions have the following drawbacks: the temperature detection is carried out in time in the circulation process of the electrophoresis liquid, the temperature in the circulation process of the electrophoresis liquid is kept between 26 ℃ and 30 ℃, and in the technical scheme, when the electrophoresis liquid circulates, the stability of the electrophoresis liquid can change under the action of an electric field, the temperature of the electrophoresis liquid cannot be controlled, and the electrophoresis liquid can be possibly scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pipeline structure for electrophoresis tank drain has the effect that detects the electrophoresis liquid temperature, effectively reduces because of the too high production of electrophoresis liquid condemned phenomenon production of electrophoresis liquid temperature.
The utility model discloses a can realize through following technical scheme:
a pipeline structure for guiding liquid of an electrophoresis tank comprises an electrophoresis tank body, a first liquid inlet pipe and a first liquid outlet pipe which are communicated with the electrophoresis tank body, wherein the electrophoresis tank body is communicated with a standby tank which is used for circulating electrophoresis liquid when the electrophoresis tank body is cleaned, a plurality of public pipes which are used for communicating the electrophoresis tank body with the standby tank are arranged between the first liquid outlet pipe and the first liquid inlet pipe, a buffer tank is arranged between the public pipes, a temperature sensor used for detecting the temperature of the electrophoresis liquid is arranged on the buffer tank, a heat exchanger used for cooling the electrophoresis liquid is communicated with the buffer tank, a liquid outlet nozzle and a liquid inlet nozzle communicated with the buffer tank are arranged on the heat exchanger, a first electromagnetic valve and a second electromagnetic valve are respectively arranged on the liquid inlet nozzle and the liquid outlet nozzle, and the first electromagnetic valve and the second electromagnetic valve are in control connection with the temperature sensor, the liquid outlet nozzle is communicated with one of the public pipes, and a plurality of the public pipes are provided with a valve group for controlling the circulation of the pipeline between the electrophoresis tank body and the standby tank.
Through adopting above-mentioned technical scheme, when electrophoresis liquid crossed the buffer tank, temperature sensor detected the temperature of electrophoresis liquid, and hot high temperature then transmits first solenoid valve and second solenoid valve with the signal of telecommunication at temperature sensor for buffer tank and heat exchanger switch-on let the heat exchanger handle the electrophoresis liquid cooling, can effectual temperature that detects the electrophoresis liquid, further reduce because of the too high phenomenon that produces the electrophoresis liquid and damage of electrophoresis liquid temperature, effectively reduced the loss of cost.
Further setting the following steps: the buffer tank is provided with a feed inlet and a discharge outlet, the common pipes are respectively fixed on the feed inlet and the discharge outlet, and the discharge outlet is in a closed state when the heat exchanger is started.
Through adopting above-mentioned technical scheme, through setting up feed inlet and discharge gate on the buffer tank, make things convenient for fixed connection between public pipe and the buffer tank, the effectual stability of being connected that improves between buffer tank and the public pipe, when the electrophoresis liquid temperature was too high, the discharge gate was in the encapsulated situation, prevented that the electrophoresis liquid that the temperature has not yet been adjusted through the heat exchanger from getting into the direct mouth outflow from the discharge gate, further reduced because of the too high phenomenon that produces the electrophoresis liquid damage of electrophoresis liquid temperature.
Further setting the following steps: the buffer tank is provided with a connecting port penetrating through the buffer tank, the connecting port is communicated with the liquid inlet nozzle, and the liquid outlet nozzle is communicated with a public pipe communicated with the discharge port.
By adopting the technical scheme, the buffer tank is communicated with the heat exchanger through the connecting port and the liquid inlet pipe by arranging the connecting port on the buffer tank, so that the electrophoretic liquid can conveniently enter the heat exchanger, and the liquid outlet nozzle is communicated with the common pipe communicated with the discharge port, so that the electrophoretic liquid subjected to cooling treatment can reenter the pipeline circulation through the common pipe.
Further setting the following steps: and a third electromagnetic valve is fixed on the discharge hole and is in control connection with the temperature sensor.
Through adopting above-mentioned technical scheme, be connected through making temperature sensor and third solenoid valve control, when electrophoresis liquid temperature was too high, make the discharge gate be in the encapsulated situation under the effect of third solenoid valve, prevent that the electrophoresis liquid that the temperature has not yet adjusted through the heat exchanger from getting into the direct mouth outflow from the discharge gate, further reduce the phenomenon that produces the electrophoresis liquid and damage because of electrophoresis liquid temperature is too high.
Further setting the following steps: the standby tank is communicated with a second liquid inlet pipe and a second liquid outlet pipe, a plurality of three-way pipes are fixed at one ends of the public pipes far away from the buffer tank, the first liquid outlet pipe and the second liquid inlet pipe are respectively communicated with the corresponding three-way pipes, and the three-way pipes are communicated with the standby tank.
Through adopting above-mentioned technical scheme, through making first drain pipe and second drain pipe communicate rather than a plurality of three-way pipes relatively respectively to make electrophoresis tank body and reserve tank communicate mutually, make things convenient for the electrophoresis liquid to transport between reserve tank and electrophoresis tank body.
Further setting the following steps: the second liquid inlet pipe is communicated with the three-way pipe communicated with the first liquid outlet pipe, and the second liquid outlet pipe is communicated with the three-way pipe communicated with the first liquid inlet pipe.
By adopting the technical scheme, the second liquid inlet pipe and the second liquid outlet pipe are fixedly connected to the standby tank, and the second liquid inlet pipe and the second liquid outlet pipe are communicated with the corresponding three-way pipes, so that the electrophoretic liquid can be switched between the electrophoretic tank body and the standby tank.
Further setting the following steps: the lateral wall of the first liquid inlet pipe is communicated with a drain pipe, and a stop valve is fixed on the drain pipe.
Through adopting above-mentioned technical scheme, set up the drain pipe on first feed liquor pipe, through the valve block on the regulation pipeline when wasing the electrophoresis tank body, make drain pipe and electrophoresis tank body switch-on to reach the effect of getting rid of sewage, when the electrophoresis tank body is in operating condition, close the stop valve on the drain pipe.
To sum up, the utility model discloses a beneficial technological effect does:
(1) detect the temperature of electrophoresis liquid through using temperature sensor to reduce the temperature to electrophoresis liquid through the heat exchanger, can effectual temperature that detects electrophoresis liquid, further reduce because of the too high phenomenon that produces electrophoresis liquid and damage of electrophoresis liquid temperature, effectively reduced the loss of cost.
Drawings
FIG. 1 is a schematic view showing the overall structure of a piping structure for conducting a liquid from an electrophoresis tank;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Reference numerals: 1. an electrophoresis tank body; 2. a buffer tank; 21. a feed inlet; 22. a discharge port; 23. a connection port; 3. a first liquid inlet pipe; 4. a first liquid outlet pipe; 5. a common pipe; 6. a temperature sensor; 7. a heat exchanger; 8. a liquid outlet nozzle; 9. a liquid inlet nozzle; 10. a first solenoid valve; 11. a second solenoid valve; 12. a three-way pipe; 13. a second liquid inlet pipe; 14. a second liquid outlet pipe; 15. a drain pipe; 16. a stop valve; 17. a third electromagnetic valve; 18. a power pump; 19. a liquid pump; 20. a first valve body; 24. a second valve body; 25. a valve body III; 26. a valve body IV; 27. a valve body V; 28. a valve body six; 29. a spare groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a pipeline structure for electrophoresis tank drain, including electrophoresis tank body 1 and fixed connection on electrophoresis tank body 1 and with first feed liquor pipe 3 and first drain pipe 4 of electrophoresis tank body 1 intercommunication, electrophoresis tank body 1 intercommunication is provided with the reserve tank 29 that is used for circulating the electrophoresis liquid when electrophoresis tank body 1 cleans. The standby tank 29 is communicated with a second liquid inlet pipe 13 and a second liquid outlet pipe 14, the first liquid outlet pipe 4 is communicated with the second liquid inlet pipe 13, and the second liquid outlet pipe 14 is communicated with the first liquid inlet pipe 3.
Referring to fig. 1, two common tubes 5 for connecting the electrophoresis tank body 1 and the reserve tank 29 are disposed between the first liquid outlet tube 4 and the first liquid inlet tube 3, and one ends of the two common tubes 5 opposite to each other are communicated with a buffer tank 2. The buffer tank 2 is fixedly connected with a feed inlet 21 and a discharge outlet 22 which are communicated with the buffer tank 2 respectively relative to the positions of the two public pipes 5, and the two public pipes 5 are communicated and fixed on the feed inlet 21 and the discharge outlet 22 respectively.
Referring to fig. 1 and 2, in order to detect the temperature of the electrophoretic fluid, a temperature sensor 6 for detecting the temperature of the electrophoretic fluid is disposed on the buffer tank 2, and the temperature sensor 6 is a TR/02015 thermal resistor with Hart communication protocol type, which is common in the prior art. For the temperature of adjusting the electrophoresis liquid, buffer tank 2 intercommunication has the heat exchanger 7 that is used for carrying out the cooling to the electrophoresis liquid, and heat exchanger 7 shell and tube type heat exchanger 7 that heat exchanger 7 used commonly in prior art goes up fixedly connected with and runs through liquid outlet 8 and the feed liquor mouth 9 that buffer tank 2 set up on heat exchanger 7. In order to conveniently control the flowing direction of the electrophoretic liquid, a first electromagnetic valve 10 and a second electromagnetic valve 11 are respectively and fixedly connected to the liquid inlet nozzle 9 and the liquid outlet nozzle 8, and the first electromagnetic valve 10 and the second electromagnetic valve 11 are in control connection with the temperature sensor 6.
Referring to fig. 2, when the heat exchanger 7 is in operation, the discharge port 22 of the buffer tank 2 is in a closed state, the third electromagnetic valve 17 is fixed on the discharge port 22, and the third electromagnetic valve 17 is in control connection with the temperature sensor 6. Through making temperature sensor 6 and third solenoid valve 17 control connection, when electrophoresis liquid temperature was too high, make discharge gate 22 be in the closed condition under the effect of third solenoid valve 17, prevent that the electrophoresis liquid that the temperature has not been adjusted by heat exchanger 7 from getting into and directly flowing out from the mouth of discharge gate 22.
Referring to fig. 2, a connection port 23 penetrating through the buffer tank 2 is fixed on the side wall of the buffer tank 2, the connection port 23 is fixedly connected with the liquid inlet nozzle 9, and the buffer tank 2 is communicated with the heat exchanger 7 through the liquid inlet nozzle 9. The liquid outlet nozzle 8 is fixedly connected to the common pipe 5 communicated with the discharge port 22, and the liquid outlet nozzle 8 is communicated with the common pipe 5. When electrophoresis liquid flows through buffer tank 2, temperature sensor 6 detects the temperature of electrophoresis liquid, and the hot temperature is too high, then transmits the signal of telecommunication to first solenoid valve 10 and second solenoid valve 11 at temperature sensor 6 for buffer tank 2 and heat exchanger 7 switch-on let heat exchanger 7 carry out cooling treatment to electrophoresis liquid.
Referring to fig. 1, two tee pipes 12 are respectively and fixedly connected to one ends of the two common pipes 5 far away from the buffer tank 2, wherein two ports of one tee pipe 12 far away from a feed port 21 of the buffer tank 2 are respectively communicated with the first liquid outlet pipe 4 and the second liquid inlet pipe 13. Two ports of a three-way pipe 12 far away from the discharge hole 22 of the buffer tank 2 are respectively communicated with the first liquid inlet pipe 3 and the second liquid outlet pipe 14.
Referring to fig. 1, a transition pipe for communicating the first liquid inlet pipe 3 with the three-way pipe 12 is fixedly connected between the first liquid inlet pipe 3 and the three-way pipe 12 corresponding to the first liquid inlet pipe 3, a drain pipe 15 is communicated with the side wall of the transition pipe, and a stop valve 16 is fixedly connected to the drain pipe 15. When the electrophoresis tank body 1 is cleaned, waste water generated in the electrophoresis tank body 1 flows out through the drain pipe 15.
Referring to fig. 1, in order to facilitate the transfer of the electrophoretic fluid between the electrophoresis tank body 1 and the standby tank 29, a power pump 18 for pumping the electrophoretic fluid in the electrophoresis tank body 1 is arranged on the first liquid outlet pipe 4, and when the electrophoresis tank body 1 is in a working state under the action of the power pump 18, the electrophoretic fluid in the electrophoresis tank body 1 is conveyed to the first liquid outlet pipe 4, conveyed to the two public pipes 5 through the three-way pipe 12 corresponding to the first liquid outlet pipe 4, then enters the first liquid inlet pipe 3 through the three-way pipe 12 corresponding to the first liquid inlet pipe 3 and the transition pipe, and then runs into the electrophoresis tank body 1 to complete the circulation of the electrophoretic fluid.
Referring to fig. 1, the second liquid outlet pipe 14 is provided with a liquid pump 19 for pumping the electrophoretic liquid in the standby tank 29, the electrophoretic liquid circulates in the standby tank 29 when the liquid pump 19 is in the working state of the standby tank 29, and the electrophoretic liquid sequentially enters the standby tank 29 through the second liquid outlet pipe 14, the three-way pipe 12, the common pipe 5, the three-way pipe 12 and the second liquid inlet pipe 13 under the action of the liquid pump 19.
Referring to fig. 1, the common pipe 5 is provided with a valve set for controlling the circulation of the pipeline between the electrophoresis tank body 1 and the standby tank 29, and the valve set comprises a first valve body 20 fixed on the first liquid outlet pipe 4, a second valve body 24 and a third valve body 25 fixed on the two common pipes 5, a fourth valve body 26 fixed on the three-way pipe 12 close to the first liquid inlet pipe 3, and a fifth valve body 27 and a sixth valve body 28 fixed on the second liquid inlet pipe 13 and the second liquid outlet pipe 14, respectively.
The implementation principle and the beneficial effects of the embodiment are as follows:
when electrophoresis liquid passes through buffer tank 2, temperature sensor 6 detects the temperature of electrophoresis liquid, when the temperature of electrophoresis liquid is too high, temperature sensor 6 transmits the signal of telecommunication to first solenoid valve 10, in second solenoid valve 11 and the third solenoid valve 17, make third solenoid valve 17 close, first solenoid valve 10 is opened with second solenoid valve 11, thereby make buffer tank 2 and heat exchanger 7 switch-on, cool down the processing to the electrophoresis liquid through heat exchanger 7, make the electrophoresis liquid through cooling down processing directly flow to in being close to a public pipe 5 of third solenoid valve 17, can effectual temperature that detects the electrophoresis liquid, further reduce the phenomenon that produces the electrophoresis liquid and damage because of the electrophoresis liquid high temperature, the loss of cost has effectively been reduced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a pipeline structure for electrophoresis tank drain, is in including electrophoresis tank body (1) and intercommunication first feed liquor pipe (3) and first drain pipe (4) on electrophoresis tank body (1), its characterized in that: the electrophoresis tank body (1) is communicated with a standby tank (29) for circulating electrophoresis liquid when the electrophoresis tank body (1) is cleaned, a plurality of public pipes (5) for connecting the electrophoresis tank body (1) with the standby tank (29) are arranged between the first liquid outlet pipe (4) and the first liquid inlet pipe (3), a buffer tank (2) is arranged between the public pipes (5), a temperature sensor (6) for detecting the temperature of the electrophoresis liquid is arranged on the buffer tank (2), the buffer tank (2) is communicated with a heat exchanger (7) for cooling the electrophoresis liquid, a liquid outlet nozzle (8) and a liquid inlet nozzle (9) communicated with the buffer tank (2) are arranged on the heat exchanger (7), a first electromagnetic valve (10) and a second electromagnetic valve (11) are respectively arranged on the liquid inlet nozzle (9) and the liquid outlet nozzle (8), the first electromagnetic valve (10) and the second electromagnetic valve (11) are in control connection with the temperature sensor (6), the liquid outlet nozzle (8) is communicated with one common pipe (5), and a plurality of common pipes (5) are provided with valve groups for controlling the circulation of pipelines between the electrophoresis tank body (1) and the standby tank (29).
2. The conduit structure for guiding liquid in an electrophoresis tank as claimed in claim 1, wherein: the buffer tank (2) is provided with a feed inlet (21) and a discharge outlet (22), the public pipes (5) are fixed on the feed inlet (21) and the discharge outlet (22) respectively, and the discharge outlet (22) is in a closed state when the heat exchanger (7) is started.
3. The conduit structure for guiding liquid in an electrophoresis tank as claimed in claim 2, wherein: be provided with on buffer tank (2) and run through connection port (23) that buffer tank (2) set up, connection port (23) with feed liquor mouth (9) intercommunication, drain nozzle (8) switch-on with public pipe (5) that discharge gate (22) are linked together.
4. The conduit structure for guiding liquid in an electrophoresis tank according to claim 3, wherein: and a third electromagnetic valve (17) is fixed on the discharge hole (22), and the third electromagnetic valve (17) is in control connection with the temperature sensor (6).
5. The conduit structure for guiding liquid in an electrophoresis tank as claimed in claim 1, wherein: a second liquid inlet pipe (13) and a second liquid outlet pipe (14) are communicated with the standby tank (29), a plurality of three-way pipes (12) are fixed at one ends of the public pipes (5) far away from the buffer tank (2), the first liquid outlet pipe (4) and the second liquid inlet pipe (13) are respectively communicated with the corresponding three-way pipes (12), and the three-way pipes (12) are communicated with the standby tank (29).
6. The conduit structure for guiding liquid in an electrophoresis tank as claimed in claim 5, wherein: the second liquid inlet pipe (13) is communicated with the three-way pipe (12) communicated with the first liquid outlet pipe (4), and the second liquid outlet pipe (14) is communicated with the three-way pipe (12) communicated with the first liquid inlet pipe (3).
7. The conduit structure for guiding liquid in an electrophoresis tank as claimed in claim 6, wherein: the side wall of the first liquid inlet pipe (3) is communicated with a drain pipe (15), and a stop valve (16) is fixed on the drain pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604192.5U CN210117443U (en) | 2019-04-28 | 2019-04-28 | A pipeline structure for electrophoresis tank drain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920604192.5U CN210117443U (en) | 2019-04-28 | 2019-04-28 | A pipeline structure for electrophoresis tank drain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210117443U true CN210117443U (en) | 2020-02-28 |
Family
ID=69613520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920604192.5U Expired - Fee Related CN210117443U (en) | 2019-04-28 | 2019-04-28 | A pipeline structure for electrophoresis tank drain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210117443U (en) |
-
2019
- 2019-04-28 CN CN201920604192.5U patent/CN210117443U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200228 Termination date: 20210428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |