CN109613941A - A kind of digestion instrument double temperature control device - Google Patents
A kind of digestion instrument double temperature control device Download PDFInfo
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- CN109613941A CN109613941A CN201811305440.2A CN201811305440A CN109613941A CN 109613941 A CN109613941 A CN 109613941A CN 201811305440 A CN201811305440 A CN 201811305440A CN 109613941 A CN109613941 A CN 109613941A
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- water inlet
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- 230000029087 digestion Effects 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 161
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000012546 transfer Methods 0.000 claims description 26
- 239000011229 interlayer Substances 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 15
- 238000001802 infusion Methods 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 4
- 239000003814 drug Substances 0.000 description 13
- 238000004090 dissolution Methods 0.000 description 10
- 229940079593 drug Drugs 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000002904 solvent Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000825 pharmaceutical preparation Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000035 biogenic effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009509 drug development Methods 0.000 description 1
- 229940126534 drug product Drugs 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000002547 new drug Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Devices For Medical Bathing And Washing (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention proposes a kind of digestion instrument double temperature control devices, including water bath, water bath is equipped with the first water inlet and the first water outlet, a tee tube is respectively equipped on first water inlet and the first water outlet, the first interface of two tee tubes is respectively and fixedly connected on the first water inlet and the first water outlet, and connect between the second interface of two tee tubes the first water pump and heating mechanism form temperature control loop；Heating mechanism is equipped with the first temperature element, is additionally provided with the second temperature element in water bath, the first temperature element and the second temperature element are connected with temperature sampler respectively；The present invention is arranged using double temperature control, ensure that the accuracy of temperature, increases experiment by accuracy, meanwhile, secondary use also is subject to the water in the water bath of digestion instrument, has saved efficiency.
Description
Technical field
The present invention relates to a kind of temperature control device, in particular to a kind of digestion instrument double temperature control device.
Background technique
Drug dissolution refers to drug in regulation medium, under certain condition, from the solid pharmaceutical preparations such as tablet or capsule
The speed of dissolution and the degree of dissolution.Drug dissolution directly affects the absorption and utilization of drug in vivo, is evaluation medicinal substances
In index in one of amount.In drug production testing, clinical efficacy investigation, stability of drug products inspection, new drug development, prescription sieve
Many aspects such as choosing, process modification will investigate this index.Drug dissolution inspection is evaluation preparation quality and technological level
A kind of effective means, and evaluation agent activity ingredients Biogenic availability and the preparation uniformity a kind of effective standard, can have
Effect distinguishes the difference of same drug bioavailability, therefore is one of drug quality control essential items for inspection.
All medicament dissolution instruments for belonging to manual sampling and artificial fluid infusion domestic at present, the temperature monitoring method of water bath are
Using 1 temperature element, and without the stripping cup cap for being exclusively used in temperature element test point, also without novel visualization temperature correction and
Thermostatic control panel.Its shortcoming and defect has two o'clock: 1. instrument computer cannot collect any 2 typical cases in synchronization
The temperature of test point, can not the inside and outside real time temperature of synchronization measurement stripping rotor.It is unfavorable for adjustment heating in real time rapidly
Strategy, with the preset temperature of the controlled water bath of the realization of fast uniform.2. due to there is no to visualize temperature correction and thermostatic control
Panel causes the temperature-controlled precision of water bath low so operator is difficult itself error of amendment temperature element accurately and timely,
Each point temperature equalization is poor in water bath, and the temperature time up to standard is very long, temperature control low efficiency.
Patent 201520334034.4 discloses the device for monitoring temperature of medicament dissolution instrument, along the water bath of medicament dissolution instrument
Surrounding be uniformly arranged the second thermometer hole, in the second thermometer hole be arranged the first removable temperature element, in medicament dissolution instrument
First thermometer hole is set on the cup lid of stripping rotor, and the second removable temperature element is set in the first thermometer hole；Described first
Removable temperature element and the second removable temperature element are connected with central processing unit respectively, central processing unit and display unit phase
Even.The present invention uses two removable temperature elements, is monitored to the temperature of medicament dissolution instrument.Avoid an original thermometric
Element it is inconvenient for use, after fixing the first removable temperature element and being monitored to water bath temperature, second removable is surveyed
Warm element can enter stripping rotor by the first thermometer hole and be monitored one by one to the cup temperature of multiple stripping rotors, and then conveniently make
With and real time monitoring.
Above-mentioned monitoring device operation is relatively complicated, and the stability monitored and accuracy are bad.
Summary of the invention
The present invention proposes a kind of digestion instrument double temperature control device regarding to the issue above, is arranged using double temperature control, guarantees
The accuracy of temperature increases experiment by accuracy, meanwhile, also secondary use is subject to the water in the water bath of digestion instrument, saved
About efficiency.
Specific technical solution is as follows:
A kind of digestion instrument double temperature control device, including water bath, water bath be equipped with the first water inlet and the first water outlet, first
A tee tube is respectively equipped on water inlet and the first water outlet, the first interface of two tee tubes is respectively and fixedly connected to the first water inlet
On mouth and the first water outlet, connect between the second interface of two tee tubes the first water pump and heating mechanism form temperature control loop；
Heating mechanism includes horizontally disposed heating pipe, and the both ends of heating pipe pass through first end cover respectively and second end cover adds
With closing, first end cover is equipped with electric heating tube, and electric heating tube insertion is arranged in heating pipe, and second end cover is equipped with second
Water outlet；The tube wall of heating pipe is equipped with the first transfer tube and the second transfer tube, and the first transfer tube is located at first end cover side,
Second transfer tube is located at second end cover side, and the second transfer tube is equipped with the first temperature element, and the first temperature element passes through second
Transfer tube extends in heating pipe；
The second interface of the tee tube of first water outlet is connected by pipeline with the entrance of the first water pump, the outlet of the first water pump
It is connected by pipeline with the first transfer tube, the second water outlet in second end cover is by pipeline and is located on the first water inlet
The second interface of tee tube is connected；
The second temperature element is additionally provided in water bath, the first temperature element and the second temperature element are connected with temperature sampler respectively
It connects.
Further, it is mended between the third interface of two tee tubes by the second water pump of placed in series and fluid infusion cup, formation
Liquid keeps the temperature circuit；
Fluid infusion cup includes cup body, and interlayer is arranged outside cup body, and interlayer is equipped with third water inlet and third water outlet；
Water in water bath is passed through in interlayer by the second water pump by third water inlet, then is expelled to water bath from third water outlet
In.
Further, third water inlet is located at the lower section of water outlet.
Further, interlayer includes external jacket and cover board, and external jacket is set in outside cup body, and the height of external jacket is greater than cup
The height of body is flush at the top of the top of external jacket and cup body, and cover plate lid is located at the top of external jacket and cup body, external jacket,
Cover board and cup body are integrally formed formula structure, and third water inlet and third water outlet are arranged on external jacket.
Application method of the invention is as follows:
(1) in temperature control loop, the water in water bath is extracted out from the first water outlet, is passed through under the extraction effect of the first water pump
It after heating mechanism heating, then is returned in water bath by the first water inlet, in cyclic process, passes through the first temperature element and the
Two temperature elements carry out dual temperature control, and the temperature in water bath is made to be maintained at 37 DEG C；
(2) in fluid infusion heat preservation circuit, solvent is added into cup body, meanwhile, the water in water bath is passed through by the second water pump
Third water inlet is passed through in interlayer, then is expelled in water bath from third water outlet, to realize that the solvent temperature in cup body is kept
Within the scope of 37 ± 0.5 °C.
The invention has the benefit that
(1) present invention realizes dual temperature control, and temperature-controlled precision accurately reaches ± 0.1 °C；When a temperature sensor fails, separately
Outer one can also play the role of temperature control；When needing to reach set temperature, set temperature can be slowly reached, it is ensured that stablize
Property；It is arranged simultaneously using double temperature control, further ensures the accuracy of temperature, increases experiment by accuracy；
(2) for the present invention for guaranteeing the temperature of solvent to be supplemented, stability is good, ensure that the accuracy of experimental data；
(3) water inlet is located at the lower section of water outlet, can effectively ensure that the stability of the water temperature in interlayer, avoids the portion in interlayer
Hot water is divided to cause thermal loss without circulation；
(4) structure setting of interlayer ensure that the intracorporal solvent of cup is heated evenly, ensure that experiment effect.
Detailed description of the invention
Fig. 1 is structure of the invention figure.
Fig. 2 is heating mechanism cross-sectional view.
Fig. 3 is present system connection figure.
Fig. 4 is the cross-sectional view of fluid infusion cup in embodiment one.
Fig. 5 is the cross-sectional view of fluid infusion cup in embodiment two.
Fig. 6 is the cross-sectional view that water outlet and pipeline are connected by retention mechanism in Fig. 5.
Fig. 7 is the cross-sectional view of water outlet in Fig. 6.
Fig. 8 is the cross-sectional view of conversion terminal in Fig. 6.
Fig. 9 is the right view of inner sleeve in Fig. 6.
Figure 10 is the cross-sectional view of pipeline in Fig. 6.
Figure 11 is the left view of Figure 10
Figure 12 is the cross-sectional view of the second grafting item in Figure 11.
Specific embodiment
Clear to be more clear technical solution of the present invention, the present invention is described further with reference to the accompanying drawing,
The technical characteristic of any pair of technical solution of the present invention carries out the scheme that equivalencing is obtained with conventional reasoning and each falls within guarantor of the present invention
Protect range.
Description of symbols
Water bath 1, the first water inlet 2, the first water outlet 3, tee tube 4, the first water pump 5, heating mechanism 6, heating pipe 7,
One end cap 8, second end cover 9, electric heating tube 10, the second water outlet 11, the first transfer tube 12, the second transfer tube 13, the first thermometric
It is element 14, the second temperature element 15, the second water pump 16, fluid infusion cup 17, cup body 25, interlayer 26, water inlet 27, water outlet 28, outer
Collet 29, cover board 210, retention mechanism 211, conversion terminal 212, inner sleeve 213, outer sleeve 214, the first adapter ring 215, second
Adapter ring 216, third adapter ring 217, the first slot 218, limit raised line 219, the second slot 220, the first grafting article 221, the
Three slots 222, the second grafting article 223, the 4th slot 224, cushion chamber 225, pressure tank 226, briquetting 227, pipeline 228, limit
Groove 229.
Embodiment one
A kind of digestion instrument double temperature control device as shown in the figure, including water bath 1, water bath are equipped with the first water inlet 2 and first
A tee tube 4, the first interface difference of two tee tubes are respectively equipped on water outlet 3, the first water inlet and the first water outlet
It is fixed on the first water inlet and the first water outlet, connect between the second interface of two tee tubes the first water pump 5 and heater
Structure 6 forms temperature control loop；
Heating mechanism includes horizontally disposed heating pipe 7, and the both ends of heating pipe pass through first end cover 8 and second end cover respectively
9 are closed, and first end cover is equipped with electric heating tube 10, and electric heating tube insertion is arranged in heating pipe, sets in second end cover
There is the second water outlet 11；The tube wall of heating pipe is equipped with the first transfer tube 12 and the second transfer tube 13, the first transfer tube are located at
First end cover side, the second transfer tube are located at second end cover side, and the second transfer tube is equipped with the first temperature element 14, and first surveys
Warm element passes through the second transfer tube and extends in heating pipe；
The second interface of the tee tube of first water outlet is connected by pipeline with the entrance of the first water pump, the outlet of the first water pump
It is connected by pipeline with the first transfer tube, the second water outlet in second end cover is by pipeline and is located on the first water inlet
The second interface of tee tube is connected；
Be additionally provided with the second temperature element 15 in water bath, the first temperature element and the second temperature element respectively with temperature sampler phase
Connection.
Further, temperature sampler is also connected with controller, and controller is connected with electric heater.
Further, pass through the second water pump of placed in series 16 and fluid infusion cup 17, shape between the third interface of two tee tubes
Circuit is kept the temperature at fluid infusion；
Fluid infusion cup includes cup body 25, and interlayer 26 is arranged outside cup body, and interlayer is equipped with third water inlet 27 and third water outlet 28；
Water in water bath is passed through in interlayer by the second water pump by third water inlet, then is expelled to water bath from third water outlet
In.
Further, third water inlet is located at the lower section of water outlet.
Further, interlayer includes external jacket 29 and cover board 210, and external jacket is set in outside cup body, the height of external jacket
It greater than the height of cup body, is flush at the top of the top of external jacket and cup body, cover plate lid is located at the top of external jacket and cup body, outside
Collet, cover board and cup body are integrally formed formula structure, and third water inlet and third water outlet are arranged on external jacket.
In the present embodiment, 228 pipelines are arranged respectively on the third water inlet and third water outlet for being fixed on interlayer.
First temperature element and the second temperature element are the temperature sensing purchased from hundred million Du Da Electromechanical Technology Co., Ltd of Wuxi
Device 18B20；
Controller is purchased from Zhengjiang City capital mouthful essence with the PLC XC5-24 of electromechanical research and development centre；
Temperature sampler is the TAM-18B20-4L temperature collecting module purchased from Nanhai District Foshan City bright positive electron scientific and technical research room；
Electric heater is the heater 1200W 220V SS316 purchased from Jiangsu male justice environmentally friendly automation equipment Co., Ltd.
Application method of the invention is as follows:
(1) in temperature control loop, the water in water bath is extracted out from the first water outlet, is passed through under the extraction effect of the first water pump
It after heating mechanism heating, then is returned in water bath by the first water inlet, in cyclic process, passes through the first temperature element and the
Two temperature elements carry out dual temperature control, and the temperature in water bath is made to be maintained at 37 DEG C；
(2) in fluid infusion heat preservation circuit, solvent is added into cup body, meanwhile, the water in water bath is passed through by the second water pump
Third water inlet is passed through in interlayer, then is expelled in water bath from third water outlet, to realize that the solvent temperature in cup body is kept
Within the scope of 37 ± 0.5 °C.
Embodiment two
With a kind of digestion instrument fluid infusion mechanism described in embodiment one, the difference is that:
Interlayer includes external jacket 29 and cover board 210, and external jacket is set in outside cup body, and the height of external jacket is greater than the height of cup body
Degree is flush at the top of the top of external jacket and cup body, and cover plate lid is located at the top of external jacket and cup body, external jacket, cover board and
Cup body is integrally formed formula structure, and inlet and outlet are arranged on external jacket.
In the present embodiment, pipeline 228 is connected to the third water inlet and third water outlet of interlayer by retention mechanism 211
On.
Retention mechanism includes conversion terminal 212, inner sleeve 213 and outer sleeve 214；
Conversion terminal includes the first adapter ring 215, the second adapter ring 216 and third adapter ring 217 of integral structure, and first turn
It connects and is equipped with interconnected Switching-through channel in ring, the second adapter ring and third adapter ring, the outer diameter of the second adapter ring is greater than third
The outer diameter of adapter ring；
First adapter ring is equipped with the first slot 218, and the inner wall of the first slot is equipped with the limiting groove of multiple cirque structures
229, the cross sectional shape of limiting groove is isosceles triangular structure, axial on the outer wall of the first slot to be equipped at least two evacuation
Slot, when free state, the outer wall of the first slot slopes inwardly setting；
First adapter ring is set on the water inlet or water outlet of cylindrical structure, and water inlet or water outlet is made to be inserted into the first slot
In, it is arranged in the corresponding insertion limiting groove of limit raised line 219 on water inlet or water outlet outer wall；
Inner sleeve is set in the outside of third adapter ring and is pressed on the second adapter ring, and the inner wall of inner sleeve is equipped with second
Slot 220, the second slot are contrary with the first slot；
The height of inner sleeve is less than the height of third adapter ring；
Pipeline is set on the outer wall of third adapter ring and in the second slot of insertion for being interference fitted, outer sleeve be set in pipeline,
The outside of inner sleeve and the second adapter ring and outer sleeve, which pass through to be threadedly engaged, to be locked on the outer wall of the second adapter ring, from
And be locked to pipeline, realize the connection of pipeline and water inlet or water outlet.
Further, multiple first grafting items 221, the first grafting item are equipped at circle-shaped on the outer wall of third adapter ring
Prolong the axial of third adapter ring to be arranged, in the third slot 222 of the corresponding insertion inner sleeve of the first grafting item.
Further, on the outer wall of pipeline inserted terminal circumferentially shape be equipped with multiple second grafting items 223, the second grafting item
In the 4th slot 224 on corresponding insertion the second slot of inner sleeve inner wall；
The top of second grafting item is protruding upward at segment structure, and cushion chamber 225, the bottom of cushion chamber are equipped in the second grafting item
Equipped with pressure tank 226, the top of cushion chamber is equipped with briquetting 227, and when the second grafting article is inserted into the 4th slot, briquetting insertion is held
In indent.
When installation, inner sleeve is set on third transfer tube, is inserted into the inserted terminal of pipeline, then outer sleeve is threadedly engaged
Be locked on the second transfer tube, finally the first transfer tube, which is set on water inlet or water outlet, can be realized connection.
In the present invention, pipeline and water inlet, water outlet are connected by retention mechanism, easy to operate, fastness
Good, stability is good, is not easy to loosen, more securely and reliably.
Claims (3)
1. a kind of digestion instrument double temperature control device, it is characterized in that, including water bath, water bath is equipped with the first water inlet and first
A tee tube is respectively equipped on water outlet, the first water inlet and the first water outlet, the first interface of two tee tubes is solid respectively
It connects on the first water inlet and the first water outlet, connect between the second interface of two tee tubes the first water pump and heating mechanism,
Form temperature control loop；
Heating mechanism includes horizontally disposed heating pipe, and the both ends of heating pipe pass through first end cover respectively and second end cover adds
With closing, first end cover is equipped with electric heating tube, and electric heating tube insertion is arranged in heating pipe, and second end cover is equipped with second
Water outlet；The tube wall of heating pipe is equipped with the first transfer tube and the second transfer tube, and the first transfer tube is located at first end cover side,
Second transfer tube is located at second end cover side, and the second transfer tube is equipped with the first temperature element, and the first temperature element passes through second
Transfer tube extends in heating pipe；
The second interface of the tee tube of first water outlet is connected by pipeline with the entrance of the first water pump, the outlet of the first water pump
It is connected by pipeline with the first transfer tube, the second water outlet in second end cover is by pipeline and is located on the first water inlet
The second interface of tee tube is connected；
The second temperature element is additionally provided in water bath, the first temperature element and the second temperature element are connected with temperature sampler respectively
It connects.
2. a kind of digestion instrument double temperature control device as described in claim 1, it is characterized in that, the third interfaces of two tee tubes it
Between by the second water pump of placed in series and fluid infusion cup, form fluid infusion and keep the temperature circuit；
Fluid infusion cup includes cup body, and interlayer is arranged outside cup body, and interlayer is equipped with third water inlet and third water outlet；
Water in water bath is passed through in interlayer by the second water pump by third water inlet, then is expelled to water bath from third water outlet
In.
3. a kind of digestion instrument double temperature control device as claimed in claim 2, it is characterized in that, third water inlet is located at water outlet
Lower section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305440.2A CN109613941B (en) | 2018-11-05 | 2018-11-05 | Double temperature control device of dissolution instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811305440.2A CN109613941B (en) | 2018-11-05 | 2018-11-05 | Double temperature control device of dissolution instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109613941A true CN109613941A (en) | 2019-04-12 |
| CN109613941B CN109613941B (en) | 2024-10-22 |
Family
ID=66002704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811305440.2A Active CN109613941B (en) | 2018-11-05 | 2018-11-05 | Double temperature control device of dissolution instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109613941B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4625096A (en) * | 1984-10-01 | 1986-11-25 | American Hospital Supply Corporation | Liquid bath temperature control |
| CN2890798Y (en) * | 2006-01-24 | 2007-04-18 | 深圳市科威信机电设备有限公司 | Water bath drying tank |
| CN203494530U (en) * | 2013-09-11 | 2014-03-26 | 广东交通职业技术学院 | Constant-temperature water bathing device for detecting quality of asphalt |
| CN204404497U (en) * | 2015-01-19 | 2015-06-17 | 王水明 | A kind of constent temperature heater |
| CN105841338A (en) * | 2016-06-15 | 2016-08-10 | 苏州畅昇电子科技有限公司 | Temperature-controllable liquid heating device |
| CN205980264U (en) * | 2016-08-29 | 2017-02-22 | 岑占波 | Heating pipe |
| CN206927645U (en) * | 2017-03-27 | 2018-01-26 | 广州奇美纯水设备科技有限公司 | A kind of electrical heated pipings chlorination equipment |
| CN108717014A (en) * | 2018-05-30 | 2018-10-30 | 浙江大学宁波理工学院 | Water recycles temperature control one-dimensional consolidation instrument |
| CN208636728U (en) * | 2018-11-05 | 2019-03-22 | 禄根仪器(镇江)有限公司 | A kind of digestion instrument double temperature control device |
-
2018
- 2018-11-05 CN CN201811305440.2A patent/CN109613941B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4625096A (en) * | 1984-10-01 | 1986-11-25 | American Hospital Supply Corporation | Liquid bath temperature control |
| CN2890798Y (en) * | 2006-01-24 | 2007-04-18 | 深圳市科威信机电设备有限公司 | Water bath drying tank |
| CN203494530U (en) * | 2013-09-11 | 2014-03-26 | 广东交通职业技术学院 | Constant-temperature water bathing device for detecting quality of asphalt |
| CN204404497U (en) * | 2015-01-19 | 2015-06-17 | 王水明 | A kind of constent temperature heater |
| CN105841338A (en) * | 2016-06-15 | 2016-08-10 | 苏州畅昇电子科技有限公司 | Temperature-controllable liquid heating device |
| CN205980264U (en) * | 2016-08-29 | 2017-02-22 | 岑占波 | Heating pipe |
| CN206927645U (en) * | 2017-03-27 | 2018-01-26 | 广州奇美纯水设备科技有限公司 | A kind of electrical heated pipings chlorination equipment |
| CN108717014A (en) * | 2018-05-30 | 2018-10-30 | 浙江大学宁波理工学院 | Water recycles temperature control one-dimensional consolidation instrument |
| CN208636728U (en) * | 2018-11-05 | 2019-03-22 | 禄根仪器(镇江)有限公司 | A kind of digestion instrument double temperature control device |
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| Publication number | Publication date |
|---|---|
| CN109613941B (en) | 2024-10-22 |
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