CN208810109U - A kind of thermostat water bath - Google Patents
A kind of thermostat water bath Download PDFInfo
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- CN208810109U CN208810109U CN201821370519.9U CN201821370519U CN208810109U CN 208810109 U CN208810109 U CN 208810109U CN 201821370519 U CN201821370519 U CN 201821370519U CN 208810109 U CN208810109 U CN 208810109U
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Abstract
The utility model discloses a kind of thermostat water bath, and loading plate is movably disposed in shell, and cover board is set in the opening of case top, several putting holes are provided on cover board, and a port lid is provided on each putting hole；A screw rod is threaded on loading plate；Water supply tank is fixedly connected with the casing, and is connected on the water supply pipe of water supply tank and shell and is provided with water compensating valve, is provided with heating element in water supply tank and in shell, is equipped with level sensor and temperature inductor on the inner sidewall of water supply tank and shell；Level sensor includes upper level sensor and lower level sensor；It is provided with inlet valve on the water inlet pipe of water supply tank, is provided with drain valve on the drainpipe of housing bottom；Controller is electrically connected with heating element, level sensor, temperature inductor, water compensating valve, water inlet valve and a drain valve respectively.The thermostat water bath keeps the height of thermostat water bath loading plate adjustable, suitable for the experiment container of different height, and realizes isothermal moisturizing, guarantees experimental precision.
Description
Technical field
The utility model relates to technical field of experiment equipment, more particularly to a kind of thermostat water bath.
Background technique
Thermostat water bath is mainly used for distilling in laboratory, dry, concentration, and warm stain chemicals or biological products,
It can be used for heated at constant temperature and other humid tests, be biology, heredity, virus, aquatic products, environmental protection, medicine, health, laboratory, analysis
Room, education and scientific research indispensable tool.Thermostat water bath generally comprises pot body for filling water, is used to support reality mounted in pot is intracorporal
It tests the loading plate of container and is erected at the cover board on pot body top, putting hole is offered above cover board, putting hole is furnished with port lid.?
It needs to inject a certain amount of water into pot body before experiment, then opens thermostat water bath and heat water to required temperature.Water temperature is up to standard
Afterwards, experiment container is put into pot body from putting hole, after experiment container is put on steady loading plate, covers port lid to which appearance will be tested
Device is sealed in pot, is heated experiment container.
Existing thermostat water bath, loading plate, which is usually fixed, to be mounted in pot, the distance between cover board and loading plate
Be it is fixed, this, which results in thermostat water bath, may be only available for the experiment container of certain altitude range.Due to the height of experiment container
Degree is divided into size, and when using thermostat water bath, if experiment container is too high, experiment container cannot be put into pot completely；
If experiment container is too short, it may cause the water in pot and cover experiment container, both of which is unfavorable for the progress of experiment.And
And water-bath is in use, the water in water-bath, which constantly evaporates, causes water level inside to be gradually reduced, real after water level decreasing
The lower part for testing container can not be completely sunk in the water, and experiment container uneven heating influences experimental result, and the water newly filled into is logical
Normal temperature is lower, differs larger with the water temperature in water-bath, water temperature inside after water-bath moisturizing is caused to substantially reduce, influence to impregnate
The experimental precision in experiment container in water-bath.
Utility model content
The purpose of the utility model is to provide a kind of thermostat water baths to be made with solving the above-mentioned problems of the prior art
The height of thermostat water bath loading plate is adjustable, suitable for the experiment container of different height, and realizes isothermal moisturizing, makes experiment container
It is heated evenly, guarantees experimental precision.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of thermostat water bath, including shell, loading plate, cover board, port lid, water supply tank and control
Device；The loading plate is parallel to the bottom surface of the shell and is movably disposed in the shell, and the cover board is parallel to institute
The bottom surface for stating shell is set in the opening of the case top, is provided with several putting holes on the cover board, each described to put
It sets and is provided with the port lid on hole；A screw rod is threaded on the loading plate, institute is stretched out in the upper end of the screw rod
Cover board is stated, the lower end of the screw rod and the housing bottom surface form the axis rotation connection around the screw rod, rotate the screw rod,
The screw rod drives the loading plate to move back and forth in the shell along the direction perpendicular to the housing bottom surface；The moisturizing
The side wall of case is fixedly connected with the side wall of the shell, is connected on the water supply pipe of the water supply tank and the shell and is provided with a benefit
Water valve, is provided with heating element in the water supply tank and in the shell, on the inner sidewall of the water supply tank and the shell
It is equipped with level sensor and temperature inductor；The level sensor includes upper level sensor and lower level sensor, institute
Level sensor is stated to be located above the lower level sensor；The water supply tank upper end is provided with a water inlet pipe, the water inlet
Inlet valve is provided on pipe, the housing bottom is provided with a drainpipe, is provided with drain valve on the drainpipe；The control
Device respectively with the heating element, the upper level sensor, the lower level sensor, the temperature inductor, the benefit
Water valve, the inlet valve and drain valve electrical connection.
Preferably, the screw tip is removably connected with a handwheel.
Preferably, the heating element is spiral shape heating element.
Preferably, it is provided with a clamping device at each putting hole, the clamping device includes flexible connector
And clamping piece, each putting hole are connected with multiple flexible connectors, the end of each flexible connector in the circumferential
End is fixedly connected to a clamping piece, and the clamping piece is for clamping experiment container in the circumferential direction of experiment container.
Preferably, one end that each clamping piece is used to contact with experiment container is provided with rubber pad.
Preferably, the enclosure interior is provided with multiple guide rods, bottom surface of each guide rod perpendicular to the shell
Setting, the loading plate is slidably connected on the guide rod, and the lower end of the guide rod is fixedly connected on the shell
On inner bottom surface, the upper end of the guide rod is provided with position limiting convex ring, and the diameter of the position limiting convex ring is greater than the straight of the guide rod
Diameter.
Preferably, the shell and the water supply tank include outer stainless steel layer, the insulating layer set gradually from outside to inside
On the side wall contacted with interior stainless steel layer, the outer stainless steel layer with the insulating layer and the interior stainless steel layer and the heat preservation
It is uniformly distributed on the side wall of layer contact to have zigzag raised.
Preferably, the upper level sensor and the lower level sensor slide vertically be connected to the shell respectively
On inner sidewall.
Preferably, the shell lower end is provided with an appendix, and the appendix is used to lead into the intracorporal water of the shell
Enter gas.
Preferably, scale prevention coating is covered on the inner sidewall of the inner sidewall of the shell and the water supply tank.
The utility model achieves following technical effect compared with the existing technology:
Thermostat water bath provided by the utility model, experiment container are placed on loading plate by putting hole, and loading plate is used
In support experiment container；When experiment container height is higher, screw rod is rotated, screw rod is made to drive loading plate in shell along vertical side
To moving downward, and experiment container is enable to be fully seated in shell；When experiment container height is lower, screw rod is rotated, is made
Screw rod drives loading plate to move upwards along the vertical direction in shell, and the intracorporal water level of shell is avoided to cover experiment container.Water supply tank
Be provided with temperature inductor on the inner sidewall of shell, temperature sensor can real-time measurement water supply tank and the intracorporal water temperature of shell simultaneously
Water supply tank and the intracorporal water temperature of shell are transferred to controller, so that water supply tank or the intracorporal water temperature of shell be kept to be constantly in experiment institute
Need temperature range, guarantee test precision.It is provided with level sensor on the inner sidewall of water supply tank and shell, level sensor can
It monitors water supply tank or the intracorporal SEA LEVEL VARIATION of shell and controls the opening and closing of water compensating valve or inlet valve by controller, when water level in shell
When lower, the water for supplementing isothermal into shell is realized, guarantee the accuracy for carrying out the experiment of water-bath heat preservation, while can also be real
The now timely moisturizing into water supply tank immediately guarantees and has abundant water resources in the water supply tank of isothermal in shell.It is provided by the utility model
Thermostat water bath keeps the height of thermostat water bath loading plate adjustable, suitable for the experiment container of different height, and the temperature compensations such as realizes
Water is heated evenly experiment container, guarantees experimental precision.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the schematic perspective view of thermostat water bath provided by the utility model；
Fig. 2 is the top view of thermostat water bath provided by the utility model；
Fig. 3 is the front sectional view of thermostat water bath provided by the utility model；
In figure: 1- shell；2- loading plate；3- cover board；4- port lid；5- water supply tank；6- controller；7- putting hole；8- screw rod；
9- heating element；Level sensor under the upper level sensor of 10-, 11-；12- temperature inductor；13- handwheel；14- swivel nut；15-
Flexible connector；16- clamping piece；17- guide rod；18- position limiting convex ring；19- appendix；20- water inlet pipe；21- drainpipe.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of thermostat water baths to be made with solving the above-mentioned problems of the prior art
The height of thermostat water bath loading plate is adjustable, suitable for the experiment container of different height, and realizes isothermal moisturizing, makes experiment container
It is heated evenly, guarantees experimental precision.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
The utility model provides a kind of thermostat water bath, in one specific embodiment of the utility model, such as the institute of Fig. 1~3
Show, thermostat water bath includes shell 1, loading plate 2, cover board 3, port lid 4, water supply tank 5 and controller 6；Loading plate 2 is parallel to shell
It 1 bottom surface and being movably disposed in shell 1, the bottom surface that cover board 3 is parallel to shell 1 is set in the opening at 1 top of shell,
It is provided with several putting holes 7 on cover board 3, a port lid 4 is provided on each putting hole 7；It is threaded on loading plate 2
Cover board 3 is stretched out in one screw rod 8, the upper end of screw rod 8, and the lower end and 1 bottom surface of shell of screw rod 8 form the axis rotation connection around screw rod 8,
Screw rod 8 is rotated, screw rod 8 drives loading plate 2 to move back and forth in shell 1 along the direction perpendicular to 1 bottom surface of shell；Water supply tank 5
Side wall is fixedly connected with the side wall of shell 1, is provided with a water compensating valve, water supply tank 5 on the water supply pipe of connection water supply tank 5 and shell 1
It is provided with heating element 9 in interior and shell 1, is equipped with level sensor and temperature sense on the inner sidewall of water supply tank 5 and shell 1
Answer device 12；Level sensor includes upper level sensor 10 and lower level sensor 11, and upper level sensor 10 is located at lower liquid level
11 top of inductor；5 upper end of water supply tank is provided with a water inlet pipe 20, and inlet valve, the setting of 1 bottom of shell are provided on water inlet pipe 20
There is a drainpipe 21, is provided with drain valve on drainpipe 21；Controller 6 respectively with heating element 9, upper level sensor 10, under
Level sensor 11, temperature inductor 12, water compensating valve, water inlet valve and a drain valve electrical connection.Controller 6 is installed on shell 1 or mends
On the lateral wall of water tank 5.It can be at the edge and upper level sensor 10, lower level sensor 11 and temperature sense of loading plate 2
The corresponding position of device 12 opens up groove, and the distance of 1 inner wall of Edge Distance shell of loading plate 2 can also be made to be greater than upper level sensor
10, lower level sensor 11 and temperature inductor 12 stretch out the length of 1 inner wall of shell, so that loading plate 2 be made to move up and down
Cheng Zhong, level sensor 10, lower level sensor 11 and temperature inductor 12 are avoided in the edge of loading plate 2, to avoid
Level sensor 10, lower level sensor 11 and temperature inductor 12 impact the movement of loading plate 2.
Thermostat water bath provided by the utility model, experiment container are placed on loading plate 2 by putting hole 7, loading plate
2 are used to support experiment container；When experiment container height is higher, screw rod 8 is rotated, screw rod 8 is made to drive loading plate 2 in shell 1
It moves vertically downwards, and experiment container is enable to be fully seated in shell 1；When experiment container height is lower, turn
Dynamic screw rod 8, makes screw rod 8 that loading plate 2 be driven to move upwards along the vertical direction in shell 1, the water level in shell 1 is avoided to cover
Experiment container.Temperature inductor 12 is provided on the interior example wall of water supply tank 5 and shell 1, temperature sensor being capable of real-time measurement benefit
Water temperature in water supply tank 5 and shell 1 is simultaneously transferred to controller 6 by water tank 5 and water temperature in shell 1, to keep water supply tank 5
Or the water temperature in shell 1 is constantly in experiment required temperature range, guarantee test precision.On the inner sidewall of water supply tank 5 and shell 1
It is provided with level sensor, level sensor can monitor water supply tank 5 or SEA LEVEL VARIATION in shell 1 and control by controller 6
The opening and closing of water compensating valve or inlet valve processed is realized the water for supplementing isothermal into shell 1, is guaranteed just when water level is lower in shell 1
It in the accuracy for the experiment for carrying out water-bath heat preservation, while can also realize the timely moisturizing into water supply tank 5 immediately, guarantee and shell 1
It has abundant water resources in the water supply tank 5 of interior isothermal.Thermostat water bath provided by the utility model makes the height of thermostat water bath loading plate 2
It spends adjustable, suitable for the experiment container of different height, and realizes isothermal moisturizing, be heated evenly experiment container, guarantee experiment essence
Degree.
In another specific embodiment of the utility model, for the ease of rotating screw rod 8, the screw rod 8 of thermostat water bath is pushed up
End is removably connected with a handwheel 13.The medium position of loading plate 2 is provided with a through-hole, and a swivel nut is fixedly installed in the through-hole
14, screw rod 8 is coaxially arranged in swivel nut 14 and is threadedly coupled with swivel nut 14.
In another specific embodiment of the utility model, in order to improve the rate of heat addition and make in shell 1 and in water supply tank 5
Coolant-temperature gage be evenly distributed, the heating element 9 of thermostat water bath is spiral shape heating element 9, and the setting number of heating element 9 can
Selective setting is carried out according to the volume of shell 1 and water supply tank 5.
In another specific embodiment of the utility model, a folder is provided at each putting hole 7 of thermostat water bath
Device is held, clamping device includes flexible connector 15 and clamping piece 16, and flexible connector 15 can be spring, each putting hole 7
It is connected with multiple flexible connectors 15 in the circumferential, the end of each flexible connector 15 is fixedly connected to a clamping piece 16, folder
Gripping member 16 is acted in the elastic force of flexible connector 15 to clamp experiment container in the circumferential direction of experiment container.Using above-mentioned
Structure setting after experiment container is put into putting hole 7, can be clamped experiment container by clamping device, thus
It avoids experiment container from shaking during water bath with thermostatic control, guarantees the stability of experiment container.
In another specific embodiment of the utility model, in order to improve the friction between clamping piece 16 and clamped container
Power improves the clamping stability of clamping device and clamping piece 16 is avoided to damage experiment container, each folder of thermostat water bath
One end that gripping member 16 is used to contact with experiment container is provided with rubber pad.
In another specific embodiment of the utility model, moved up and down for the ease of thermostat water bath, thermostat water bath
Shell 1 be internally provided with multiple guide rods 17, each guide rod 17 is arranged perpendicular to the bottom surface of shell 1, and loading plate 2 is slidably connected
In on guide rod, and the lower end of guide rod 17 is fixedly connected on the inner bottom surface of shell 1, and the upper end setting of guide rod 17 is limited
Position bulge loop 18, the diameter of position limiting convex ring 18 are greater than the diameter of guide rod 17, and position limiting convex ring 18 is for moving up distance to loading plate 2
It is limited, position can be set according to realization demand.
In another specific embodiment of the utility model, the shell 1 and water supply tank 5 of thermostat water bath include by outside extremely
Outer stainless steel layer, insulating layer and the interior stainless steel layer inside set gradually, it is on the side wall that outer stainless steel layer is contacted with insulating layer and interior
It is uniformly distributed on the side wall that stainless steel layer is contacted with insulating layer to have zigzag raised；Zigzag protrusion make outer stainless steel layer and
Interior stainless steel layer is bonding with insulating layer even closer, further improves the thermal insulation property of shell 1 and water supply tank 5, guarantees real
Test precision.Insulating layer in the utility model can be rock wool heat-preservation layer or polyurethane insulation coating, but not limited to this, it can also be used
The insulating layer that other thermal insulation materials that can play insulation effect are made.
In another specific embodiment of the utility model, upper level sensor 10 and lower level sensor 11 erect respectively
To being slidably connected on the inner sidewall of shell 1, in use, liquid level induction can be adjusted respectively according to specific use demand
The height of device 10 and lower level sensor 11 in shell 1.
When thermostat water bath in the utility model works, regulates level sensor 10 and lower level sensor 11 exists
After height in shell 1, controller 6 opens water compensating valve and inlet valve, injects water into shell 1 and water supply tank 5 respectively, works as shell
When water level in body 1 or water supply tank 5 reaches the position of water level sensor, controller 6 closes water compensating valve or inlet valve, stop to
Add water in shell 1 or water supply tank 5；Controller 6 opens heating element 9, heats respectively to the water in shell 1 and water supply tank 5,
When the water temperature in water supply tank 5 or shell 1 reaches experimental temperature, controller 6 then it is corresponding close it is in water supply tank 5 or shell 1 plus
Thermal element 9 stops heating, carries out water bath with thermostatic control；During experiment container carries out water bath with thermostatic control, if the water level in shell 1 is low
When lower water level sensor in shell 1, controller 6 opens water compensating valve, will water in water supply tank 5 identical with water temperature in shell 1
It is supplemented in shell 1 until stopping when the water level in shell 1 reaches the position of water level sensor；If the water level in water supply tank 5
When lower than lower water level sensor in water supply tank 5, controller 6 opens inlet valve, and into water supply tank 5, water supplement water is until water supply tank
Stopping when water level in 5 reaches the position of the upper water level sensor in water supply tank 5.If the water temperature in water supply tank 5 or shell 1 is lower than
Experimental temperature, then the corresponding heating element 9 opened in water supply tank 5 or shell 1 heats in water supply tank 5 or shell 1 controller 6
Water guarantees water temperature stability.After the completion of water bath with thermostatic control, controller 6 opens drain valve, the water inside shell 1 is all released, moisturizing
Water in case 5 can release or continue to store, depending on experiment demand.
In another specific embodiment of the utility model, 1 lower end of shell of thermostat water bath is provided with an appendix 19,
Appendix 19 is passed through to the gas inside shell 1, can accelerate inside shell 1 for being passed through gas in the water into shell 1
The flowing and circulation of water guarantee that distribution of water temperature is uniform, improve experimental precision.
In another specific embodiment of the utility model, in order to reduce 5 inner wall scale of 1 inner wall of shell and water supply tank, protect
Experimental precision is demonstrate,proved, scale prevention coating is covered on the inner sidewall of the shell 1 of thermostat water bath and the inner sidewall of water supply tank 5, antiscale applies
Layer can be but be not limited to teflon coatings.
In another specific embodiment of the utility model, for the ease of the height of adjustment housings 1, in the outer bottom of shell 1
Supporting leg is connected on face, supporting leg is rotatablely connected on the outer bottom of shell 1, and supporting leg is telescopic legs.
Specific case is applied in the utility model to be expounded the principles of the present invention and embodiment, it is above
The explanation of embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for the one of this field
As technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up
Described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of thermostat water bath, it is characterised in that: including shell, loading plate, cover board, port lid, water supply tank and controller；
The loading plate is parallel to the bottom surface of the shell and is movably disposed in the shell, and the cover board is parallel to institute
The bottom surface for stating shell is set in the opening of the case top, is provided with several putting holes on the cover board, each described to put
It sets and is provided with the port lid on hole；A screw rod is threaded on the loading plate, institute is stretched out in the upper end of the screw rod
Cover board is stated, the lower end of the screw rod and the housing bottom surface form the axis rotation connection around the screw rod, rotate the screw rod,
The screw rod drives the loading plate to move back and forth in the shell along the direction perpendicular to the housing bottom surface；
The side wall of the water supply tank is fixedly connected with the side wall of the shell, is connected to the water supply pipe of the water supply tank Yu the shell
On be provided with a water compensating valve, be provided with heating element, the water supply tank and the shell in the water supply tank and in the shell
Level sensor and temperature inductor are equipped on the inner sidewall of body；
The level sensor includes upper level sensor and lower level sensor, and the upper level sensor is located at the lower liquid
Above the inductor of position；
The water supply tank upper end is provided with a water inlet pipe, and inlet valve is provided on the water inlet pipe, and the housing bottom is provided with
One drainpipe is provided with drain valve on the drainpipe；
The controller respectively with the heating element, the upper level sensor, the lower level sensor, the temperature sense
Answer device, the water compensating valve, the inlet valve and drain valve electrical connection.
2. thermostat water bath according to claim 1, it is characterised in that: the screw tip is removably connected on the other hand
Wheel.
3. thermostat water bath according to claim 1, it is characterised in that: the heating element is spiral shape heating element.
4. thermostat water bath according to claim 1, it is characterised in that: be provided with a clamping at each putting hole
Device, the clamping device include flexible connector and clamping piece, and each putting hole is connected with multiple described in the circumferential
Flexible connector, the end of each flexible connector are fixedly connected to a clamping piece, and the clamping piece is used in reality
It tests and clamps experiment container in the circumferential direction of container.
5. thermostat water bath according to claim 4, it is characterised in that: each clamping piece with experiment container for contacting
One end be provided with rubber pad.
6. thermostat water bath according to claim 1, it is characterised in that: the enclosure interior is provided with multiple guide rods,
Each guide rod is arranged perpendicular to the bottom surface of the shell, and the loading plate is slidably connected on the guide rod, and described
The lower end of guide rod is fixedly connected on the inner bottom surface of the shell, and the upper end of the guide rod is provided with position limiting convex ring, described
The diameter of position limiting convex ring is greater than the diameter of the guide rod.
7. thermostat water bath according to claim 1, it is characterised in that: the shell and the water supply tank include by outer
Outer stainless steel layer, insulating layer and the interior stainless steel layer set gradually in, what the outer stainless steel layer was contacted with the insulating layer
On side wall and uniformly distributed on side wall that the interior stainless steel layer is contacted with the insulating layer there is zigzag raised.
8. thermostat water bath according to claim 1, it is characterised in that: the upper level sensor and the lower liquid level sense
It answers device to slide vertically respectively to be connected on the inner sidewall of the shell.
9. thermostat water bath according to claim 8, it is characterised in that: the shell lower end is provided with an appendix, institute
Appendix is stated for being passed through gas into the intracorporal water of the shell.
10. thermostat water bath according to claim 1, it is characterised in that: the inner sidewall of the shell and the water supply tank
Inner sidewall on be covered with scale prevention coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821370519.9U CN208810109U (en) | 2018-08-24 | 2018-08-24 | A kind of thermostat water bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821370519.9U CN208810109U (en) | 2018-08-24 | 2018-08-24 | A kind of thermostat water bath |
Publications (1)
| Publication Number | Publication Date |
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| CN208810109U true CN208810109U (en) | 2019-05-03 |
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ID=66274480
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| CN201821370519.9U Active CN208810109U (en) | 2018-08-24 | 2018-08-24 | A kind of thermostat water bath |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588957A (en) * | 2022-03-18 | 2022-06-07 | 徐州医科大学 | Automatic constant temperature water-bath of moisturizing |
-
2018
- 2018-08-24 CN CN201821370519.9U patent/CN208810109U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588957A (en) * | 2022-03-18 | 2022-06-07 | 徐州医科大学 | Automatic constant temperature water-bath of moisturizing |
| CN114588957B (en) * | 2022-03-18 | 2024-01-30 | 徐州医科大学 | Automatic constant temperature water bath of moisturizing |
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