CN202470386U - Liquid heating device - Google Patents
Liquid heating device Download PDFInfo
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- CN202470386U CN202470386U CN2012200457155U CN201220045715U CN202470386U CN 202470386 U CN202470386 U CN 202470386U CN 2012200457155 U CN2012200457155 U CN 2012200457155U CN 201220045715 U CN201220045715 U CN 201220045715U CN 202470386 U CN202470386 U CN 202470386U
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- liquid
- cover plate
- heating element
- liquid heating
- element heater
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Abstract
The utility model relates to the technical field of heating devices and discloses a liquid heating device. The liquid heating device comprises a cylinder body, a fixed plate component covered on the cylinder body, a heating element and a temperature sensor. A first accommodating cavity for containing a liquid is arranged in the cylinder body, one end of the first accommodating cavity is closed and the other end is opened, the fixed plate component comprises a sleeve cylinder for installing the heating element and a cover plate connected to the sleeve cylinder and covered on the opened end of the cylinder body, the sleeve cylinder is placed in the first accommodating cavity, and the temperature sensor is placed at the outside of the cover plate. In the liquid heating device, one end of the cylinder body of the liquid heating device is closed and does not need to be sealed, the other end only needs to be sealed and covered by the cover plate of the fixed plate component, a sealed link is reduced, the liquid heating device has good sealing property and is reliable, the heating element is directly placed in the sleeve cylinder of the fixed plate component and does not need to be fixed by a complex structure, the temperature sensor can be directly placed on the cover plate, and the structure is simple.
Description
Technical field
The utility model relates to the technical field of heater, relates in particular to liquid heating.
Background technology
Biochemical Analyzer is clinical medical important inspection machine; Be mainly used in the clinical chemistry composition of liquid samples such as quantitative analysis serum, blood plasma, urine, celiolymph; It is a complication system of forming by technique directions such as optics, machinery, electronics, software, hydrodynamics, calorifics; Wherein calorifics is a very important aspect, because most biochemical reaction all has particular requirement to temperature.
In the high-end Biochemical Analyzer of major part, it need utilize liquid heating that liquid such as the deionized water that uses, cleaning fluid are carried out preheating in the testing process to liquid sample, with better promotion reaction, improves performance.
In the prior art, the liquid heating in the Biochemical Analyzer generally is made up of following components: cylindrical shell, heater and sensor.Tube structure in the liquid heating that has is complicated; Its set inside has a cylindrical cavity or a rectangular cavity, and at the two ends of cylindrical shell the additional seal cover plate because the liquid heating of this structure is made up of more part; Cause sealing part more, have certain leakage hidden danger.Also have the heater of some liquid heating that comparatively complicacy is installed, need multiple welding to form,, thereby also have certain leakage hidden danger because the welding link is too much.In addition, the temperature sensor operated by rotary motion of liquid heating element is inner at the cavity volume of cylindrical shell in the prior art, causes the complex structure of whole liquid heater.
The utility model content
The purpose of the utility model is to provide liquid heating, is intended to solve liquid heating complex structure of the prior art, seals insecure problem.
The utility model is to realize like this; Liquid heating; Be used for needing the liquid of preheating to heat to Biochemical Analyzer; Comprise cylindrical shell, be covered on fixed head assembly on the said cylindrical shell, be used for the heating element heater of said liquid heat and can detect said fluid temperature and be electrically connected at the temperature sensor of said heating element heater; Be provided with end sealing and other end opening in the said cylindrical shell and be used to contain first cavity volume of said liquid; Said fixed head assembly comprises and is used to install the sleeve of heating element heater and is connected in said sleeve and is covered on the cover plate of said cartridge openings end that said sleeve places said first cavity volume, and said temperature sensor places the outside of said cover plate.
Further, be provided with second cavity volume that is used to install said heating element heater in the said sleeve, said second cavity volume, one end sealing, and other end opening, the inwall of said heating element heater and said second cavity volume has the gap, fills Heat Conduction Material in the said gap.
Further, be provided with sealing ring between said cover plate inboard and the said cartridge openings end.
Further, said sleeve and said cover plate are welded to connect.
Further, said liquid heating also comprises pressing plate, and said pressing plate places the said cover plate outside, and is connected with said cylindrical shell through securing member.
Further, be provided with first groove that is used to place said temperature sensor outside the said cover plate.
Further, comprise also being electrically connected at said temperature sensor and can cutting off said heating element heater and the temperature protection switch of external power source electric connection that said temperature protection switch places said cartridge openings end.
Further, said cartridge openings end is provided with second groove that is used to place said temperature protection switch, and said second bottom portion of groove is equipped with the shell fragment that elasticity presses on said temperature protection switch.
Compared with prior art, the liquid heating sealing part in the utility model is few, and good airproof performance and reliable does not need labyrinth to fix heating element heater, and temperature sensor can directly place on the cover board, and is simple in structure.
Description of drawings
The three-dimensional exploded perspective view of liquid heating that Fig. 1 provides for the utility model embodiment;
The cut-away illustration of the liquid heating that Fig. 2 provides for the utility model embodiment.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides liquid heating; Be used for needing the liquid of preheating to heat to Biochemical Analyzer; Comprise cylindrical shell, be covered on fixed head assembly on the said cylindrical shell, be used for the heating element heater of said liquid heat and can detect said fluid temperature and be electrically connected at the temperature sensor of said heating element heater; Be provided with end sealing and other end opening in the said cylindrical shell and be used to contain first cavity volume of said liquid; Said fixed head assembly comprises and is used to install the sleeve of heating element heater and is connected in said sleeve and is covered on the cover plate of said cartridge openings end; Said sleeve places said first cavity volume, and said temperature sensor places the outside of said cover plate.
In the utility model, the sealing of cylindrical shell one end of liquid heating need not seal; The other end only needs the cover plate of fixed head assembly to carry out capping, reduces sealing part, good airproof performance and reliable; And heating element heater directly is placed in the sleeve of fixed head assembly then can; Do not need labyrinth to fix, and temperature sensor can directly place on the cover board, simple in structure.
Below in conjunction with concrete accompanying drawing detailed description is carried out in the realization of the utility model.
Shown in Fig. 1～2, a preferred embodiment that provides for the utility model.
The liquid heating 1 that present embodiment provides is used for Biochemical Analyzer, is used for liquid sample etc. is heated, to improve the analytical performance of Biochemical Analyzer.
Above-mentioned liquid heating 1 comprises the cylindrical shell 10 that can install liquid, cover at the fixed head assembly 11 of this cylindrical shell 10 1 ends and be placed in the fixed head assembly 11 and the heating element heater 14 that can heat with the liquid in the cylindrical shell 10.Be provided with first cavity volume 101 that end sealing, the other end have opening in the cylindrical shell 10, this first cavity volume 101 can be used to contain and need carry out liquid heated; Above-mentioned fixed head assembly 11 comprises that this is at the cover plate 112 of cylindrical shell 10 first cavity volumes 101 openends and be located at the sleeve 111 on the cover plate 112; This sleeve 111 can be used for device heating element heater 14; And in order to make heating element heater 14 to heat to the liquid in cylindrical shell 10 first cavity volumes 101; This sleeve 111 stretches in cylindrical shell 10 first cavity volumes 101, and like this, the heat that heating element heater 14 is produced can heat the liquid in the cylindrical shell 10; Heating element heater 14 is placed in the sleeve 111, and it also can electrically connect with the power supply of outside, to realize connecing electrical heating.
Certainly, for the temperature to the liquid in the cylindrical shell 10 detects, surpass or be lower than temperature required with the temperature of avoiding the liquid in the cylindrical shell 10; This liquid heating 1 also comprises temperature sensor 13, and this temperature sensor 13 is installed in cover plate 112 plates of fixed head assembly, and it can detect the temperature of liquid in the cylindrical shell 10; And this temperature sensor 13 is electrically connected on the heating element heater 14, and it can control the heating state of heating element heater 14, for example; When fluid temperature reached temperature required, it is being connected of automatic disconnection heating element heater 14 and external power source then, thereby make heating element heater 14 outages; Its temperature can not raise, thereby ends to the heating of liquid, certainly; When the liquid problem did not reach temperature required the requirement, it then can not break off the electric connection of heating element heater 14 and power supply.
The cylindrical shell 10 of the liquid heating 1 in the present embodiment comparatively simple, the sealing of one of which end does not need other part to seal; The other end only need fixed head assembly 11 carry out capping then can, in addition, heating element heater 14 can directly be placed on realize in the sleeve 111 of fixed head assembly 11 fixing; And; This sleeve 111 directly gos deep in first cavity volume 101 of cylindrical shell 10, and heating element heater 14 can heat liquid, and the fixed form of heating element heater 14 is also comparatively simple; Do not need complicated structure to fix; In addition, the temperature sensor 13 of the liquid heating 1 in the present embodiment directly is placed on the cover plate 112 of fixed head assembly 11, can not cause the complex structure of whole liquid heater 1.In sum, the liquid heating 1 in the present embodiment is simple in structure, and sealing part is few, good airproof performance, reliable.
The shape of first cavity volume 101 in above-mentioned can be multiple shape, and is circular or square etc., in the present embodiment, first cavity volume 101 be shaped as circle.In addition, sleeve 111 and cover plate 112 like this, can reduce the machining period of fixed head assembly 11 for being welded together, and economical with materials.
Be provided with an end opening in the sleeve 111 in above-mentioned; The other end is communicated with the second outside cavity volume; Heating element heater 14 in above-mentioned is exactly to be placed in second cavity volume, and its opening through second cavity volume directly is plugged in second cavity volume, and can electrically connect with the power supply of outside.
The shape of second cavity volume in above-mentioned can match with the profile of heating element heater 14, certainly, also difference to some extent, concrete design is decided by actual conditions.Heating element heater 14 in the present embodiment is traditional heating rod, certainly, also can be other form of heating regime device.
In the present embodiment, easy in order to cooperate, and be convenient to make; Has the gap between the inwall of heating element heater 14 and sleeve 111 second cavity volumes; And in this gap, be filled with Heat Conduction Material, be convenient to the liquid in the heat transferred cylindrical shell 10 that heating element heater 14 sends, realize heating liquid.
For the ease of the installation of temperature sensor 13, the outer surface of the cover plate 112 in above-mentioned is provided with first mounting groove 113 that is used for mounting temperature sensor 13, and the profile of this first mounting groove 113 is the waist shape, certainly, also can be set to other shape.
Certainly, in order to increase the sealing of cover plate 112 and cylindrical shell 10 openends, be provided with sealing ring 19 between the inboard of cover plate 112 and cylindrical shell 10 openends, there is the gap in the cooperation of placing between cylindrical shell 10 and the cover plate 112.
For the opening that makes cover plate 112 be closely pressed together on cylindrical shell 10 brings out; This liquid heating 1 also comprises pressing plate 15, and this pressing plate 15 is fitted in the outside of cover plate 112, and it is close on the cover plate 112; And be connected with cylindrical shell 10 through securing member 16; Like this, 112 of cover plates are clipped between cylindrical shell 10 and the pressing plate 15, further increase sealing.
In order to increase the security performance of this liquid heating 1, it also comprises temperature protection switch 18, and this temperature protection switch 18 is electrically connected at temperature sensor 13; Certainly, also be electrically connected on the heating element heater 14, when the temperature of temperature sensor 13 tracer liquids arrives required problem; And heating element heater 14 is also continuing heating, and at this moment, 18 of temperature protection switch can break off the electric connection of heating element heater 14 and external power source by force; Avoid fluid temperature too high, destroy this liquid heating 1.
In order to make on the firm medial surface that is pressed on cover plate 112 of this temperature protection switch 18; The bottom of second groove 102 is placed with shell fragment 17; Like this, 18 of temperature protection switch are placed on the shell fragment 17, thereby; Under the effect of shell fragment 17, on the medial surface that is pressed on cover plate 112 that 18 of this temperature protection switch can be firm.
Get into or get rid of first cavity volume 101 for the ease of liquid, also be provided with the water inlet and the delivery port that are communicated with first cavity volume 101 on the cylindrical shell 10, certainly, the relevant position setting of water inlet and delivery port is decided by actual conditions.In the present embodiment, for fear of processing, and practice thrift machining period, delivery port then directly is that first cavity volume 101 is communicated with outside opening.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. liquid heating; Be used for needing the liquid of preheating to heat to Biochemical Analyzer; Comprise cylindrical shell, be covered on fixed head assembly on the said cylindrical shell, be used for the heating element heater of said liquid heat and can detect said fluid temperature and be electrically connected at the temperature sensor of said heating element heater; It is characterized in that; Be provided with end sealing and other end opening in the said cylindrical shell and be used to contain first cavity volume of said liquid; Said fixed head assembly comprises and is used to install the sleeve of heating element heater and is connected in said sleeve and is covered on the cover plate of said cartridge openings end that said sleeve places said first cavity volume, and said temperature sensor places the outside of said cover plate.
2. liquid heating as claimed in claim 1; It is characterized in that; Be provided with second cavity volume that is used to install said heating element heater in the said sleeve, said second cavity volume, one end sealing, and other end opening; The inwall of said heating element heater and said second cavity volume has the gap, fills Heat Conduction Material in the said gap.
3. liquid heating as claimed in claim 1 is characterized in that, is provided with sealing ring between said cover plate inboard and the said cartridge openings end.
4. like each described liquid heating of claim 1 to 3, it is characterized in that said sleeve and said cover plate are welded to connect.
5. liquid heating as claimed in claim 1 is characterized in that said liquid heating also comprises pressing plate, and said pressing plate places the said cover plate outside, and is connected with said cylindrical shell through securing member.
6. liquid heating as claimed in claim 1 is characterized in that, the said cover plate outside is provided with first groove that is used to place said temperature sensor.
7. liquid heating as claimed in claim 1; It is characterized in that; Comprise also being electrically connected at said temperature sensor and can cutting off said heating element heater and the temperature protection switch of external power source electric connection that said temperature protection switch places said cartridge openings end.
8. liquid heating as claimed in claim 7 is characterized in that, said cartridge openings end is provided with second groove that is used to place said temperature protection switch, and said second bottom portion of groove is equipped with the shell fragment that elasticity presses on said temperature protection switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200457155U CN202470386U (en) | 2012-02-13 | 2012-02-13 | Liquid heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200457155U CN202470386U (en) | 2012-02-13 | 2012-02-13 | Liquid heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202470386U true CN202470386U (en) | 2012-10-03 |
Family
ID=46918540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200457155U Expired - Lifetime CN202470386U (en) | 2012-02-13 | 2012-02-13 | Liquid heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202470386U (en) |
-
2012
- 2012-02-13 CN CN2012200457155U patent/CN202470386U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |