CN205127999U - A dry bath of constant temperature for test tube constant temperature heating - Google Patents
A dry bath of constant temperature for test tube constant temperature heating Download PDFInfo
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- CN205127999U CN205127999U CN201520899063.5U CN201520899063U CN205127999U CN 205127999 U CN205127999 U CN 205127999U CN 201520899063 U CN201520899063 U CN 201520899063U CN 205127999 U CN205127999 U CN 205127999U
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- constant temperature
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- heating plate
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Abstract
The utility model discloses a dry bath of constant temperature for test tube constant temperature heating belongs to laboratory constant temperature heating device field, which comprises a housin, the casing upper surface is equipped with a recess, the recess bottom is equipped with a hot plate, be equipped with in the recess one place in metal heating piece on the hot plate, be equipped with a plurality of test tube slot that are used for placing the test tube on the heating piece, be equipped with a control in the casing hot plate keep a constant temperature's thermostatic control ware. The utility model discloses a set up thermostatic control ware controlled heating board and carry out constant temperature heating to the heating piece, because the heating piece is the metal material, can improve heat transfer speed, and then realize the metal heating piece and to placing the test tube constant temperature heating among the test tube slot in it, guarantee that the reagent of in vitro is in the constant temperature state.
Description
Technical field
The utility model relates to constant temperature heating device field, laboratory, is specifically related to the dry bath of a kind of constant temperature for test tube heated at constant temperature.
Background technology
At biochemistry, need sample to be positioned in vitro to carry out constant temperature preservation or reaction, at present mainly adopt water-bath to preserve or reaction, but due to the rate of heat transfer of water lower, not easily keep constant temperature, thus the maintenance of sample or reaction can not be produced a desired effect.Therefore, market starts occur some metal bath devices, but such metal bath device or complex structure, production cost are high, or temperature uniformity is poor, can not meet constant temperature demand.
Utility model content
The purpose of this utility model is to overcome above-mentioned technical deficiency, proposes the dry bath of a kind of constant temperature for test tube heated at constant temperature, solves the technical problem that in prior art, metal bath apparatus structure is complicated, cost is high, temperature uniformity is poor.
For reaching above-mentioned technical purpose, the technical solution of the utility model provides a kind of constant temperature for test tube heated at constant temperature dry bath, comprise housing, described housing upper surface is provided with a groove, described bottom portion of groove is provided with a heating plate, be provided with one in described groove and be positioned over METAL HEATING PROCESS block on described heating plate, described heat block is provided with multiple cuvette groove for holding test tubes; The radiator valve that the described heating plate of a control keeps constant temperature is provided with in described housing.
Preferably, described radiator valve comprises one for heating the heater circuit of described heating plate, one for monitoring the temperature sensor and of described temperature of heating plate for exporting according to temperature sensor the microprocessor that the signal of telecommunication controls heater circuit break-make, described microprocessor comprises signal acquisition module, signal amplification module, first comparison module, second comparison module, be communicated with driver module, disconnect driver module, described signal acquisition module is used for the signal of telecommunication that collecting temperature sensor exports, described signal amplification module is used for the signal of telecommunication that amplifying signal acquisition module gathers, described first comparison module is for judging that the signal of telecommunication after amplifying is whether between first threshold and Second Threshold, if between first threshold and Second Threshold, then start and be communicated with driver module driving heater circuit closed communicating, described second comparison module is for judging whether the signal of telecommunication after amplifying is less than first threshold or is greater than Second Threshold, if be less than first threshold or be greater than Second Threshold, then start and disconnect the disconnection of driver module driving heater circuit, wherein, described first threshold is less than Second Threshold.
Preferably, described housing is provided with the display unit of the temperature that detects for displays temperature sensor.
Preferably, described groove is a dovetail groove and the notch of groove reduces gradually to bottom.
Preferably, the first thermal insulation layer is provided with between described heating plate and described housing.
Preferably, described heat block is aluminium material.
Preferably, described heat block lateral wall is coated with the second thermal insulation layer.
Compared with prior art, the beneficial effects of the utility model comprise: carry out heated at constant temperature by arranging radiator valve control heating plate to heat block, because heat block is metal material, heat transfer rate can be improved, and then realize METAL HEATING PROCESS block to the test tube heated at constant temperature in cuvette groove placed within, ensure that invisible spectro reagent is in temperature constant state.
Accompanying drawing explanation
Fig. 1 is the syndeton schematic diagram of the dry bath of the constant temperature for test tube heated at constant temperature of the present utility model;
Fig. 2 is the connection block diagram of the radiator valve of the dry bath of the constant temperature for test tube heated at constant temperature of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment of the present utility model provides the dry bath of a kind of constant temperature for test tube heated at constant temperature, as shown in Figure 1, comprise housing 1, described housing 1 upper surface is provided with a groove 101, a heating plate 2 is provided with bottom described groove 101, be provided with one in described groove 101 and be positioned over METAL HEATING PROCESS block 3 on described heating plate 2, described heat block 3 is provided with multiple cuvette groove 301 for holding test tubes; The radiator valve 4 that the described heating plate 2 of a control keeps constant temperature is provided with in described housing 1.
The present embodiment controls heating plate 2 pairs of heat blocks 3 carry out heated at constant temperature by arranging radiator valve 4, because heat block 3 is metal material, heat transfer rate can be improved, and then realize METAL HEATING PROCESS block 3 to the test tube heated at constant temperature in cuvette groove 301 placed within, ensure that invisible spectro reagent is in temperature constant state.
The radiator valve 4 of the present embodiment can adopt the radiator valve of prior art to control the heated at constant temperature of heating plate, also can be in the following ways, as shown in Figure 2, be specially described radiator valve 4 and comprise one for heating the heater circuit 41 of described heating plate 2, one to control the microprocessor 43 of heater circuit 41 break-make for the temperature sensor 42 and of monitoring described heating plate 2 temperature for exporting the signal of telecommunication according to temperature sensor 42, described microprocessor 43 comprises signal acquisition module 431, signal amplification module 432, first comparison module 433, second comparison module 434, be communicated with driver module 435, disconnect driver module 436, the signal of telecommunication that described signal acquisition module 431 exports for collecting temperature sensor 41, the signal of telecommunication that described signal amplification module 432 gathers for amplifying signal acquisition module 431, described first comparison module 433 is for judging that the signal of telecommunication after amplifying is whether between first threshold and Second Threshold, if between first threshold and Second Threshold, then start connection driver module 435 and drive heater circuit 41 closed communicating, described second comparison module 434 is for judging whether the signal of telecommunication after amplifying is less than first threshold or is greater than Second Threshold, if be less than first threshold or be greater than Second Threshold, then starting disconnection driver module 436 drives heater circuit 41 to disconnect, wherein, described first threshold is less than Second Threshold.The temperature sensor 42 of the present embodiment is preferably resistance temperature detector, microprocessor 43 is preferably a single-chip microcomputer, concrete, signal acquisition module 431 is a signal acquisition circuit, signal amplification module excellent 432 elects a signal amplification circuit as, and the first comparison module 433 and the second comparison module 434 are comparator, and is communicated with driver module 435 and disconnects driver module 436 mode of prior art all can be adopted to realize, reach realization and add thermoelectricity, the break-make of 41.The present embodiment realizes heating heating plate 2 of discontinuity by the way, makes heating plate 2 be in temperature constant state, and then realizes the heated at constant temperature to heat block 3, and accuracy rate is high, good stability.
Further, described housing 1 is provided with the display unit 5 of the temperature that detects for displays temperature sensor 42, and the temperature accurately understanding heating plate 2 heating by this display unit 5 convenient operation person, is convenient to the heated at constant temperature value differentiating the dry bath of different constant temperature.
Heating plate 2 is arranged at bottom the groove 101 of housing 1, easy heat trnasfer is to housing 1, cause thermal loss, therefore the present embodiment is provided with the first thermal insulation layer 6 between heating plate 2 and described housing 1, thus avoid heating plate 2 to transfer heat to housing 1, decrease the loss of heat, and the break-make frequency of heater circuit 41 can be prevented excessive and cause service life low.Meanwhile, heat block 3 lateral wall of the present embodiment is coated with the second thermal insulation layer 7, thus the heat loss being convenient to reduce heat block 3 is too fast.And take out in described groove 101 for the ease of heat block 3, described groove 101 is set to a dovetail groove to the present embodiment and the notch of groove 101 reduces gradually to bottom.
In addition, the heat block 3 of the present embodiment is preferably aluminium material, while being conducive to improving heat transfer rate, reduces production cost.
The above detailed description of the invention of the present utility model, does not form the restriction to the utility model protection domain.Any various other made according to technical conceive of the present utility model change and distortion accordingly, all should be included in the protection domain of the utility model claim.
Claims (7)
1. the dry bath of the constant temperature for test tube heated at constant temperature, it is characterized in that, comprise housing, described housing upper surface is provided with a groove, described bottom portion of groove is provided with a heating plate, be provided with one in described groove and be positioned over METAL HEATING PROCESS block on described heating plate, described heat block is provided with multiple cuvette groove for holding test tubes; The radiator valve that the described heating plate of a control keeps constant temperature is provided with in described housing.
2. the dry bath of constant temperature according to claim 1, it is characterized in that, described radiator valve comprises one for heating the heater circuit of described heating plate, one for monitoring the temperature sensor and of described temperature of heating plate for exporting according to temperature sensor the microprocessor that the signal of telecommunication controls heater circuit break-make, described microprocessor comprises signal acquisition module, signal amplification module, first comparison module, second comparison module, be communicated with driver module, disconnect driver module, described signal acquisition module is used for the signal of telecommunication that collecting temperature sensor exports, described signal amplification module is used for the signal of telecommunication that amplifying signal acquisition module gathers, described first comparison module is for judging that the signal of telecommunication after amplifying is whether between first threshold and Second Threshold, if between first threshold and Second Threshold, then start and be communicated with driver module driving heater circuit closed communicating, described second comparison module is for judging whether the signal of telecommunication after amplifying is less than first threshold or is greater than Second Threshold, if be less than first threshold or be greater than Second Threshold, then start and disconnect the disconnection of driver module driving heater circuit, wherein, described first threshold is less than Second Threshold.
3. the dry bath of constant temperature according to claim 1 and 2, is characterized in that, described housing is provided with the display unit of the temperature that detects for displays temperature sensor.
4. the dry bath of constant temperature according to claim 3, is characterized in that, described groove is a dovetail groove and the notch of groove reduces gradually to bottom.
5. the dry bath of constant temperature according to claim 4, is characterized in that, is provided with the first thermal insulation layer between described heating plate and described housing.
6. the dry bath of constant temperature according to claim 5, is characterized in that, described heat block is aluminium material.
7. the dry bath of constant temperature according to claim 6, is characterized in that, described heat block lateral wall is coated with the second thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520899063.5U CN205127999U (en) | 2015-11-12 | 2015-11-12 | A dry bath of constant temperature for test tube constant temperature heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520899063.5U CN205127999U (en) | 2015-11-12 | 2015-11-12 | A dry bath of constant temperature for test tube constant temperature heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205127999U true CN205127999U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520899063.5U Expired - Fee Related CN205127999U (en) | 2015-11-12 | 2015-11-12 | A dry bath of constant temperature for test tube constant temperature heating |
Country Status (1)
| Country | Link |
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| CN (1) | CN205127999U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482254A (en) * | 2019-01-17 | 2019-03-19 | 周凤敏 | A kind of medical test multi-functional operation platform |
| CN110548304A (en) * | 2019-09-07 | 2019-12-10 | 天津药明康德新药开发有限公司 | centrifugal concentrator for removing boiling point solvent |
-
2015
- 2015-11-12 CN CN201520899063.5U patent/CN205127999U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482254A (en) * | 2019-01-17 | 2019-03-19 | 周凤敏 | A kind of medical test multi-functional operation platform |
| CN110548304A (en) * | 2019-09-07 | 2019-12-10 | 天津药明康德新药开发有限公司 | centrifugal concentrator for removing boiling point solvent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20171112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |