CN208124650U - A kind of boiler of cold water and hot water partition heating - Google Patents
A kind of boiler of cold water and hot water partition heating Download PDFInfo
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- CN208124650U CN208124650U CN201820406442.XU CN201820406442U CN208124650U CN 208124650 U CN208124650 U CN 208124650U CN 201820406442 U CN201820406442 U CN 201820406442U CN 208124650 U CN208124650 U CN 208124650U
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Abstract
The utility model relates to the boilers of a kind of cold water and hot water partition heating, it includes cold water heating water tank, water tank, hot water heating water tank, the first heating tube, the second heating tube and controller, cold water heating water tank is connect by the first pipeline with water source, and the first pipeline is equipped with the first solenoid valve；By third piping connection between water tank and cold water heating water tank, third pipeline is equipped with third solenoid valve；The 4th pipeline is additionally provided between water tank and hot water heating water tank, the 4th pipeline is equipped with the 4th solenoid valve.The utility model can avoid repeated boiling phenomenon, retain minerals beneficial to human body in water, and be not easy nitrite, more safe and healthy；Simultaneously by the way that hot water heating water tank is arranged in the lower section of water tank, long-time can be placed to the hot-water collection for the water tank that temperature reduces into hot water heating water tank, for heating use when user's bathing again, save water resource.
Description
Technical field
The utility model relates to household appliance technical field, in particular to the boiled water of a kind of cold water and hot water partition heating
Device.
Background technique
Boiler is equipment indispensable in people's daily life, for by the water in tap water by heating after for people
Drink.Boiler in the prior art is to save water, will be again that water is boiled for drinking after water cooling.However it burns repeatedly
The water capacity opened easily causes the aging of water, minerals wherein beneficial to human body can not only lost, it is also possible to generate certain nocuousness
Substance such as nitrite etc..Nitrite once largely enters human body, and the red blood cell in blood can be made to lose the function for carrying oxygen
Can, cause histanoxia, people drink that this water will appear Nausea and vomiting, headache, nail and lip is blue, the diseases such as nervous for a long time
Shape, it is serious to cause anoxic, in some instances it may even be possible to induce cancer.
Utility model content
The technical problem to be solved by the utility model is to provide the boiler of a kind of cold water and hot water partition heating, with gram
Take above-mentioned deficiency in the prior art.
The technical solution that the utility model solves above-mentioned technical problem is as follows：A kind of boiled water of cold water and hot water partition heating
Device, including cold water heating water tank, water tank, hot water heating water tank, the first heating tube, the second heating tube and controller, first adds
Heat pipe is set in cold water heating water tank；Second heating tube is set in hot water heating water tank；Cold water heating water tank passes through first
Pipeline is connect with water source, and the first pipeline is equipped with the first solenoid valve；Water tank is set to the lower section of cold water heating water tank, and water storage
By third piping connection between case and cold water heating water tank, third pipeline is equipped with third solenoid valve；Hot water heating water tank is set
It is placed in the lower section of water tank, the 4th pipeline is additionally provided between water tank and hot water heating water tank, the 4th pipeline is equipped with the 4th electricity
Magnet valve；First heating tube, the second heating tube, the first solenoid valve, third solenoid valve and the 4th solenoid valve are electrically connected with the controller；
It further include apparatus for eliminating sludge, apparatus for eliminating sludge includes casing, filter, magnetizing assembly, one end of casing and the first pipeline connection, casing
The other end be connected to cold water heating water tank；Magnetizing assembly and filter are embedded in casing；It is close that filter is set to casing
One end of first pipeline.
The utility model has the beneficial effects that：The water heated in cold water heating water tank is drunk mainly for user, hot water heating
The water heated in water tank is used mainly for user's bathing；It, can be through after water heating in cold water heating water tank by the way that water tank is arranged
Third pipeline is flow in water tank so that user drinks, and the heating process of cold water is completed in cold water heating water tank, is kept away
Exempt from repeated boiling phenomenon, minerals beneficial to human body in water can have been retained, and be not easy nitrite, it is more safe and healthy；Together
When by the lower section of water tank be arranged hot water heating water tank, can will for a long time place temperature reduce water tank hot-water collection
Into hot water heating water tank, for heating use when user's bathing again, water resource is saved；It is removed by being arranged on the first pipeline
The water entered in cold water heating water tank by filter can be filtered, purified treatment, improve user's drinking water by dirty device
Quality；By the way that magnetizing assembly is arranged, sofening treatment can be carried out to the water that flows through in casing, make magnesium ion in the water in casing,
Adhering to each other for calcium ion receives destruction with accumulation characteristic, becomes the molecule that cannot be combined with each other, to be effectively prevented water
The generation of dirt, to play good anti-scaling action.
Further：The first temperature sensor, the first water-level gauge and the second water-level gauge, the first water are equipped in cold water heating water tank
Position meter is disposed in proximity at the top of cold water heating water tank；First temperature sensor and the second water-level gauge are all set in by near-cool-water
At the bottom of heating water tank, and the second water-level gauge is set to the top of the first heating tube, and the second water-level gauge is set to the first temperature
The top of sensor；First temperature sensor, the first water-level gauge and the second water-level gauge are electrically connected with the controller.
The beneficial effect of above-mentioned further scheme is：Cold water can be heated by the first temperature sensor of setting and water-level gauge
Water temperature and water level in water tank are monitored.
Further：Second temperature sensor, third water-level gauge and the 4th water-level gauge, third water are equipped in hot water heating water tank
Position meter is disposed in proximity at the top of hot water heating water tank；Second temperature sensor and the 4th water-level gauge are all set in close to hot water
At the bottom of heating water tank, and the 4th water-level gauge is set to the top of the second heating tube, and the second water-level gauge is set to second temperature
The top of sensor；Second temperature sensor, third water-level gauge and the 4th water-level gauge are electrically connected with the controller.
The beneficial effect of above-mentioned further scheme is：It can be to hot water heating by setting second temperature sensor and water-level gauge
Water temperature and water level in water tank are monitored.
Further：Boiler further includes frame and control cabinet, and cold water heating water tank, water tank, hot water heating water tank are all provided with
It is placed in frame；Control cabinet is set to outside frame；Controller is set in control cabinet.
Further：Boiler further includes the thermometer for measuring water temperature in water tank, and thermometer is fixed on frame, temperature
The probe of degree meter extends in water tank；Thermometer is electrically connected with the controller.
The beneficial effect of above-mentioned further scheme is：The water temperature in water tank can be shown in real time by the way that thermometer is arranged
Show, to facilitate user to determine whether to drink hot water at this temperature.Such as when user wants to drink 80 ° of hot water, and in water tank
Water when having fallen to 78 °, user may be selected no longer to drink at this time.
Further：Be additionally provided in control cabinet the 4th solenoid valve unlatching key and the 4th solenoid valve closing key, the 4th
The unlatching key of solenoid valve and the closing key of the 4th solenoid valve are electrically connected with the controller.
The beneficial effect of above-mentioned further scheme is：When user has found that even if the hot water in water tank does not reach default deposit
Storage time or water temperature are down to preset temperature, can also open key or the 4th solenoid valve by manually opened 4th solenoid valve
It closes key the hot water in water tank is put into hot water heating water tank.
Further：Hot water heating water tank is connect by the second pipeline with water source, and the second pipeline is equipped with second solenoid valve, the
Two solenoid valves are electrically connected with the controller.
Further：Be additionally provided in control cabinet second solenoid valve unlatching key and second solenoid valve closing key, second
The unlatching key of solenoid valve and the closing key of second solenoid valve are electrically connected with the controller.
The above-mentioned beneficial effect into two step schemes is：When in hot water heating water tank water be not enough to user's bathing in use, with
Family can also add water into hot water heating water tank by the closing key for opening key and second solenoid valve of second solenoid valve.
Further：Second pipeline is placed in cold water heating water tank and/or water tank.
The beneficial effect of above-mentioned further scheme is：The hot water in cold water heating water tank and/or water tank can be made full use of
Temperature pre-add heat treatment is carried out to the cold water that is put into hot water heating water tank, shorten the subsequent heat time.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the boiler of a kind of cold water of the utility model and hot water partition heating；
Fig. 2 is the structural schematic diagram of apparatus for eliminating sludge in the boiler of a kind of cold water of the utility model and hot water partition heating；
Fig. 3 is the external structure schematic diagram of the boiler of a kind of cold water of the utility model and hot water partition heating；
In figure：1 it is cold water heating water tank, 11 be the first temperature sensor, 12 be the first water-level gauge, 13 is the second water level
Meter, 2 be water tank, 21 be thermometer, 3 be hot water heating water tank, 31 be second temperature sensor, 32 be third water-level gauge, 33
It is the first heating tube for the 4th water-level gauge, 4,5 be the second heating tube, 61 be the first pipeline, 62 be the second pipeline, 63 is third pipe
Road, 64 be the 4th pipeline, 65 be overflow pipe, 66 be the 5th pipeline, 67 be the 6th pipeline, 71 be the first solenoid valve, 72 be second
Solenoid valve, 73 be third solenoid valve, 74 be the 4th solenoid valve, 8 be frame, 81 be the first tap, 82 be the second tap,
83 it is third tap, 84 be drip tray, 9 be control cabinet, 10 be apparatus for eliminating sludge, 101 be casing, 102 be filter, 103 is
Magnetizing assembly, 1031 are permanent magnets.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1, the boiler of a kind of cold water and hot water partition heating, including cold water heating water tank 1, water tank 2, heat
Water heating water tank 3, the first heating tube 4, the second heating tube 5 and controller, the first heating tube 4 are set in cold water heating water tank 1；
Second heating tube 5 is set in hot water heating water tank 3；Cold water heating water tank 1 is connect by the first pipeline 61 with water source, the first pipe
Road 61 is equipped with the first solenoid valve 71；Water tank 2 is set to the lower section of cold water heating water tank 1, and water tank 2 and cold water heat water
It is connected between case 1 by third pipeline 63, third pipeline 63 is equipped with third solenoid valve 73；Hot water heating water tank 3 is set to storage
The lower section of water tank 2, is additionally provided with the 4th pipeline 64 between water tank 2 and hot water heating water tank 3, the 4th pipeline 64 is equipped with the 4th electricity
Magnet valve 74；First heating tube 4, the second heating tube 5, the first solenoid valve 71, third solenoid valve 73 and the 4th solenoid valve 74 with control
Device electrical connection processed.
The water heated in the cold water heating water tank 1 of the utility model is drunk mainly for user, heating in hot water heating water tank 3
Water mainly for user's bathing use；The working principle of the utility model is：User's the first heating tube 4 manually opened first, to cold
Water in water heating water tank 1 is heated, and the hot water after heating can be flow in water tank 2 for user's drink through third pipeline 63
With the first solenoid valve 71, which is opened, later injects cold water into cold water heating water tank 1 in case heating next time uses；When being stored in water storage
When hot water arrival default storage time or water temperature in case 2 are down to preset temperature, the 4th solenoid valve 74 opening will be in water tank 2
Warm water is put into hot water heating water tank 3, if user needs to drink water at this time, will not there is hot water releasing again, is needed again manually
The first heating tube 4 is opened, the cold water in cold water heating water tank 1 is heated；By the above-mentioned means, can ensure that user drank
For hot water in water tank 2 merely through primary heating processing, loss and the content of nitrite that can avoid water mineral are higher
Cause the problem of user's discomfort；Simultaneously by long-time place temperature reduce hot-water collection into hot water heating water tank 3, for
Use is heated when the bathing of family again, saves water resource.
The utility model has the beneficial effects that：By the way that water tank 2 is arranged, the meeting after water in cold water heating water tank 1 heats
It flow to through third pipeline 63 so that user drinks in water tank 2, and the heating process of cold water is completed in cold water heating water tank 1
, repeated boiling phenomenon is avoided, minerals beneficial to human body in water can be retained, and be not easy nitrite, more safety is strong
Health；Simultaneously by the way that hot water heating water tank 3 is arranged in the lower section of water tank 2, long-time can be placed to the water tank 2 that temperature reduces
Hot-water collection, for heating use when user's bathing again, saves water resource into hot water heating water tank 3.
As depicted in figs. 1 and 2, the boiler of a kind of cold water and hot water partition heating further includes apparatus for eliminating sludge 10, scale removal dress
Setting 10 includes casing 101, filter 102, magnetizing assembly 103, and one end of casing 101 is connected to the first pipeline 61, casing 101
The other end is connected to cold water heating water tank 1；Magnetizing assembly 103 and filter 102 are embedded in casing 101；Filter 102 is arranged
In casing 101 close to one end of the first pipeline 61.By the way that apparatus for eliminating sludge 10 is arranged on the first pipeline 61, filter can will be passed through
The water entered in cold water heating water tank 1 is filtered, purified treatment, improves user's drinking water quality；Pass through setting magnetization dress
103 are set, sofening treatment can be carried out to the water that flows through in casing 101, makes the phase of magnesium ion in the water in casing 101, calcium ion
Mutually adherency receives destruction with characteristic is built up, and becomes the molecule that cannot be combined with each other, so that it is effectively prevented the generation of scale, with
Play good anti-scaling action.
As shown in Fig. 2, magnetizing assembly 103 includes two permanent magnets 1031, two permanent magnets 1031 are opposite with opposite pole
Mode be arranged in the two sides up and down of casing 101, it is, two permanent magnets 1031 are separately positioned on up and down the two of casing 101
Side, and the pole N of one of permanent magnets 1031 and the S of another permanent magnets 1031 are extremely opposite.Permanent magnets 1031 are NdFeB rear-earth
Permanent magnets.
It is additionally provided with overflow pipe 65 between water tank 2 and hot water heating water tank 3, one end of overflow pipe 65 is upper with water tank 2
End connection, the other end of overflow pipe 65 are connect with the upper end of hot water heating water tank 3.It, can be straight when the water in water tank 2 is more
Overflow pipe 65 was connected to flow in hot water heating water tank 3.
The first temperature sensor 11, the first water-level gauge 12 and the second water-level gauge 13, the first water are equipped in cold water heating water tank 1
Position meter 12 is disposed in proximity at the top of cold water heating water tank 1；First temperature sensor 11 and the second water-level gauge 13 are all set in
At the bottom of near-cool-water heating water tank 1, and the second water-level gauge 13 is set to the top of the first heating tube 4, the second water-level gauge 13
It is set to the top of the first temperature sensor 11；First temperature sensor 11, the first water-level gauge 12 and the second water-level gauge 13 with
Controller electrical connection.It can be to the water temperature and water level in cold water heating water tank 1 by the first temperature sensor 11 of setting and water-level gauge
It is monitored.
Second temperature sensor 31, third water-level gauge 32 and the 4th water-level gauge 33, third water are equipped in hot water heating water tank 3
Position meter 32 is disposed in proximity at the top of hot water heating water tank 3；Second temperature sensor 31 and the 4th water-level gauge 33 are all set in
At the bottom of hot water heating water tank 3, and the 4th water-level gauge 33 is set to the top of the second heating tube 5, the 4th water-level gauge 33
It is set to the top of second temperature sensor 31；Second temperature sensor 31, third water-level gauge 32 and the 4th water-level gauge 33 with
Controller electrical connection.It can be to the water temperature and water level in hot water heating water tank 3 by setting second temperature sensor 31 and water-level gauge
It is monitored.
Boiler further includes frame 8 and control cabinet 9, and cold water heating water tank 1, water tank 2, hot water heating water tank 3 are respectively provided with
In in frame 8；Control cabinet 9 is set to outside frame 8；Controller is set in control cabinet 9.The first tap is additionally provided on frame 8
81, the second tap 82, third tap 83 and drip tray 84, the first tap 81 are connected by the 5th pipeline 66 with water tank 2
It is logical, and the 5th pipeline 66 is equipped with the first water pump；Drinking water is connect for user.Second tap 82 and third tap 83 are logical
It crosses the 6th pipeline 67 to be connected to hot water heating water tank 3, the 6th pipeline 67 is equipped with the second water pump；Bath water is connect for user.It connects
Water pond 84 is set to the lower section of the first tap 81, the second tap 82, third tap 83, convenient for user's holding water bottle or
Basin etc. is filled with water apparatus.It is convenient more by the way that the second tap 82, the third tap 83 that are connected to hot water heating water tank 3 is arranged
Users to hold water simultaneously uses.
It is additionally provided with the first heating tube 4 in control cabinet 9 and opens key and the second heating tube 5 unlatching key, the first heating tube 4 is opened
It opens key and the second heating tube 5 is opened key and is electrically connected with the controller.
Boiler further includes the thermometer 21 for measuring water temperature in water tank 2, and thermometer 21 is fixed on frame 8, temperature
The probe of degree meter 21 extends in water tank 2；Thermometer 21 is electrically connected with the controller.It can be to water tank by setting thermometer 21
Water temperature in 2 carries out real-time display, to facilitate user to determine whether to drink hot water at this temperature.Such as when user wants to drink
80 ° of hot water, and when the water in water tank 2 has fallen to 78 °, user may be selected no longer to drink at this time.
The closing key of the unlatching key and the 4th solenoid valve 74 of the 4th solenoid valve 74, the 4th electricity are additionally provided in control cabinet 9
The unlatching key of magnet valve 74 and the closing key of the 4th solenoid valve 74 are electrically connected with the controller.When user has found in water tank 2
Even if hot water do not reach default storage time or water temperature is down to preset temperature, user can still pass through manually opened 4th electricity
Hot water in water tank 2 is put into hot water heating water tank 3 by the unlatching key of magnet valve 74 or the closing key of the 4th solenoid valve 74
In.
Hot water heating water tank 3 is connect by the second pipeline 62 with water source, and the second pipeline 62 is equipped with second solenoid valve 72, the
Two solenoid valves 72 are electrically connected with the controller.
The closing key of the unlatching key and second solenoid valve 72 of second solenoid valve 72, the second electricity are additionally provided in control cabinet 9
The unlatching key of magnet valve 72 and the closing key of second solenoid valve 72 are electrically connected with the controller.When water in hot water heating water tank 3
Be not enough to user's bathing in use, user can also by the closing for opening key and second solenoid valve 72 of second solenoid valve 72 by
Key adds water into hot water heating water tank 3.
Second pipeline 62 is placed in cold water heating water tank 1 and/or water tank 2.Cold water heating water tank 1 can be made full use of
And/or the temperature of the hot water in water tank 2 carries out pre-add heat treatment to the cold water being put into hot water heating water tank 3, shortens subsequent
Heating time.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. the boiler of a kind of cold water and hot water partition heating, it is characterised in that：Including cold water heating water tank (1), water tank
(2), hot water heating water tank (3), the first heating tube (4), the second heating tube (5) and controller, the first heating tube (4) setting
In the cold water heating water tank (1)；Second heating tube (5) is set in the hot water heating water tank (3)；The cold water
Heating water tank (1) is connect by the first pipeline (61) with water source, and first pipeline (61) is equipped with the first solenoid valve (71)；Institute
State the lower section that water tank (2) is set to the cold water heating water tank (1), and the water tank (2) and the cold water heating water tank
(1) it is connected between by third pipeline (63), the third pipeline (63) is equipped with third solenoid valve (73)；The hot water heating
Water tank (3) is set to the lower section of the water tank (2), is additionally provided between the water tank (2) and the hot water heating water tank (3)
4th pipeline (64), the 4th pipeline (64) are equipped with the 4th solenoid valve (74)；First heating tube (4), described second
Heating tube (5), first solenoid valve (71), the third solenoid valve (73) and the 4th solenoid valve (74) with the control
Device electrical connection processed；The boiler of a kind of cold water and hot water partition heating further includes apparatus for eliminating sludge (10), the apparatus for eliminating sludge (10)
Including casing (101), filter (102) and magnetizing assembly (103), one end of described sleeve pipe (101) and first pipeline
(61) it is connected to, the other end of described sleeve pipe (101) is connected to the cold water heating water tank (1)；The magnetizing assembly (103) and institute
Filter (102) is stated to be embedded in described sleeve pipe (101)；The filter (102) is set to described sleeve pipe (101) close to described
One end of first pipeline (61).
2. the boiler of a kind of cold water and hot water partition heating according to claim 1, it is characterised in that：The cold water heating
The first temperature sensor (11), the first water-level gauge (12) and the second water-level gauge (13), first water-level gauge are equipped in water tank (1)
(12) it is disposed in proximity at the top of the cold water heating water tank (1)；First temperature sensor (11) and second water
Position meter (13) is all set at the bottom of the cold water heating water tank (1), and second water-level gauge (13) is set to institute
The top of the first heating tube (4) is stated, second water-level gauge (13) is set to the top of first temperature sensor (11)；Institute
The first temperature sensor (11), first water-level gauge (12) and second water-level gauge (13) is stated to be electrically connected with the controller
It connects.
3. the boiler of a kind of cold water and hot water partition heating according to claim 1, it is characterised in that：The hot water heating
Second temperature sensor (31), third water-level gauge (32) and the 4th water-level gauge (33), the third water-level gauge are equipped in water tank (3)
(32) it is disposed in proximity at the top of the hot water heating water tank (3)；The second temperature sensor (31) and the 4th water
Position meter (33) is all set at the bottom of the hot water heating water tank (3), and the 4th water-level gauge (33) is set to institute
The top of the second heating tube (5) is stated, the 4th water-level gauge (33) is set to the top of the second temperature sensor (31)；Institute
Second temperature sensor (31), the third water-level gauge (32) and the 4th water-level gauge (33) is stated to be electrically connected with the controller
It connects.
4. the boiler of a kind of cold water and hot water partition heating according to claim 1, it is characterised in that：The boiler is also
Including frame (8) and control cabinet (9), the cold water heating water tank (1), the water tank (2), the hot water heating water tank (3)
It is all set in the frame (8)；The control cabinet (9) is set to the frame (8) outside；The controller is set to the control
In case (9) processed.
5. the boiler of a kind of cold water and hot water partition heating according to claim 4, it is characterised in that：The boiler is also
Including the thermometer (21) for measuring the water tank (2) interior water temperature, the thermometer (21) is fixed on the frame (8)
On, the probe of the thermometer (21) extends in the water tank (2)；The thermometer (21) is electrically connected with the controller
It connects.
6. the boiler of a kind of cold water and hot water partition heating according to claim 4, it is characterised in that：The control cabinet
(9) the unlatching key of the 4th solenoid valve (74) and the closing key of the 4th solenoid valve (74), the 4th solenoid valve are additionally provided in
(74) the closing key of unlatching key and the 4th solenoid valve (74) is electrically connected with the controller.
7. the boiler of a kind of cold water and hot water partition heating according to claim 4, it is characterised in that：The hot water heating
Water tank (3) is connect by the second pipeline (62) with the water source, and second pipeline (62) is equipped with second solenoid valve (72), institute
Second solenoid valve (72) is stated to be electrically connected with the controller.
8. the boiler of a kind of cold water and hot water partition heating according to claim 7, it is characterised in that：The control cabinet
(9) the unlatching key of second solenoid valve (72) and the closing key of second solenoid valve (72), second solenoid valve (72) are additionally provided in
Unlatching key and the closing key of second solenoid valve (72) be electrically connected with the controller.
9. the boiler of a kind of cold water and hot water partition heating according to claim 7, it is characterised in that：Second pipeline
(62) it is placed in the cold water heating water tank (1) and/or the water tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820406442.XU CN208124650U (en) | 2018-03-23 | 2018-03-23 | A kind of boiler of cold water and hot water partition heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820406442.XU CN208124650U (en) | 2018-03-23 | 2018-03-23 | A kind of boiler of cold water and hot water partition heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208124650U true CN208124650U (en) | 2018-11-20 |
Family
ID=64198491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820406442.XU Expired - Fee Related CN208124650U (en) | 2018-03-23 | 2018-03-23 | A kind of boiler of cold water and hot water partition heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208124650U (en) |
-
2018
- 2018-03-23 CN CN201820406442.XU patent/CN208124650U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20190323 |