CN203725167U - Improved constant temperature water bath - Google Patents
Improved constant temperature water bath Download PDFInfo
- Publication number
- CN203725167U CN203725167U CN201420142685.9U CN201420142685U CN203725167U CN 203725167 U CN203725167 U CN 203725167U CN 201420142685 U CN201420142685 U CN 201420142685U CN 203725167 U CN203725167 U CN 203725167U
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- stainless steel
- circulation pump
- casing
- steel trough
- water bath
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Abstract
The utility model discloses an improved constant temperature water bath which comprises a body, wherein a stainless steel water tank is arranged in the body; a water inlet nozzle and a water outlet nozzle are arranged on the stainless steel water tank; the water outlet nozzle is connected to a T-shaped three-way valve through a pipeline; one outlet of the T-shaped three-way valve is connected with a drain valve, and the other outlet of the T-shaped three-way valve is connected with an internal circulation pipe; an outlet of the internal circulation pipe is connected with an aluminum alloy PTC (positive temperature coefficient) heating pipe through a pipeline; the aluminum alloy PTC heating pipe is connected to the water inlet nozzle through a pipeline. According to the improved constant temperature water bath, the inner space of the stainless steel water tank is prevented from being occupied, the risk that a heating element is exposed in water is avoided, and the safety performance is improved; moreover, water injected into the stainless steel water tank is equivalent to a uniform heat source, and power provided by the internal circulation pipe is used for realizing a stirring function in the stainless steel water tank, so that a uniform and constant water bath environment is formed in the stainless steel water tank, and high temperature control accuracy is ensured.
Description
Technical field
The utility model relates to a kind of doctor's religion equipment constant water bath box, specifically refers to a kind of modified constant water bath box.
Background technology
Constant water bath box is widely used in being dried, concentrates, distills, floods chemical reagent, dipping medicine and biologic product, also can be used for constant temperature water bath heating and other humid tests, is the indispensable instrument of biology, heredity, virus, aquatic products, environmental protection, medicine, health, Biochemical Lab, analysis room's education and scientific research.
Common constant water bath box at present, its overall structure and existing electric heater structure are similar: in a uncovered container, electrically heated rod is installed, when use, in container, injects cold water, then plug-in, connection, heating, after finishing using emit water.There is certain problem in such structure: the heating element heater of employing mostly is electrically heated rod, takies tank inner space, and electrically heated rod exposed also exists certain potential safety hazard; Water in groove is stagnant water, and because the position of electrically heated rod is fixed, its heating certainly exists inhomogeneities, and the coolant-temperature gage in tank is inconsistent, has larger fluctuation, causes constant temperature effect poor; Water-cooled in tank is larger, dispels the heat also inhomogeneous, and inhomogeneous water temperature can cause the work disorder of electric heater, and energy consumption is higher.
Utility model content
The purpose of this utility model is to provide a kind of modified constant water bath box, solves the problems referred to above that current constant water bath box exists, and reaches when improving security performance, reduction energy consumption, increases the object of constant temperature stability.
The purpose of this utility model is achieved through the following technical solutions:
A kind of modified constant water bath box, comprise casing, a stainless steel trough is installed in casing, on described stainless steel trough, be provided with into water ozzle and water outlet ozzle, wherein water outlet ozzle is connected to T shape triple valve by pipeline, and an outlet of T shape triple valve connects draining valve, and another outlet connects internal circulation pump, the outlet of internal circulation pump is by pipeline connecting aluminum alloy PTC heating tube, and aluminium alloy PTC heating tube is connected to into water ozzle by pipeline.The utility model is the improvement that existing constant water bath box is made, comprise existing casing, a stainless steel trough is installed on casing, take in the outside mode that aluminium alloy PTC heating tube is installed of stainless steel trough, utilize internal circulation pump as power, make the flowing water in stainless steel trough can circulating-heating, this mode has solved heating element heater and has been positioned at the drawback of casing, and do not occupy the inner space of stainless steel trough, avoid the exposed danger in water of heating element heater, improve security performance, and water in injection stainless steel trough is equivalent to uniform thermal source, utilize the power that internal circulation pump provides in stainless steel trough, to reach stirring action, make to form in stainless steel trough comparatively even, constant water-bath environment, temperature control precision is higher.
Interlayer that one and stainless steel trough match is also installed in described casing, between interlayer and stainless steel trough, is filled with heat-insulation layer.In order to keep the temperature of stainless steel trough in casing, reduce heat dissipation capacity, reduce energy consumption, the utility model has been made further improvement, and an interlayer is set in casing, between interlayer and stainless steel trough, form confined space, in this confined space, be filled with heat-insulation layer, by heat-insulation layer is set, can play the effect of insulation, reduce scattering and disappearing of heat, thereby reduced energy consumption.
Described heat-insulation layer is made up of polyurethane foams.Compared to the traditional handicraft of pasting polyurethane foam board, spray polyurethane foams, more convenient.
The first outer circulation pump and the second outer circulation pump are also installed in described casing, wherein, the 4th tank connects mouth, the first outer circulation pump, the 3rd casing and connects that mouth, the first outer constant temperature field, the second casing connect mouth, the 5th tank connects mouth and stainless steel trough forms the first external circulating system, and the 3rd tank connects mouth, the second outer circulation pump, the 4th casing and connects that mouth, the second outer constant temperature field, the first casing connect mouth, the 6th tank connects mouth and stainless steel trough forms the second external circulating system.Existing constant water bath box can only be used for place experiment, a constant temperature field is provided, in order to increase practicality, the utility model has been made further improvement, is connect mouth, outer circulation pump, casing and connect the cooperation of mouth by tank, and one or more external circulating system can be installed, one or more outside constant temperature field is provided, can use simultaneously, increase purposes, realize a tractor serves several purposes.
Also comprise a controller, temperature sensor and liquid level sensor are installed in described stainless steel trough, the signal of temperature sensor and liquid level sensor collection passes to controller, the start and stop of controller control aluminium alloy PTC heating tube, internal circulation pump, the first outer circulation pump and the second outer circulation pump.By controller, temperature sensor, liquid level sensor are set, utilize controller to realize the control of heating power and the control of flow, thereby reach the automatic control object of constant temperature.
The utility model compared with prior art, has following advantage and beneficial effect:
A kind of modified constant water bath box of 1 the utility model, a stainless steel trough is installed on casing, take in the outside mode that aluminium alloy PTC heating tube is installed of stainless steel trough, utilize internal circulation pump as power, make the flowing water in stainless steel trough can circulating-heating, this mode has solved heating element heater and has been positioned at casing, and do not occupy the inner space of stainless steel trough, avoid the exposed danger in water of heating element heater, improve security performance, and water in injection stainless steel trough is equivalent to uniform thermal source, utilize the power that internal circulation pump provides in stainless steel trough, to reach stirring action, make to form in stainless steel trough comparatively even, constant water-bath environment, temperature control precision is higher,
A kind of modified constant water bath box of 2 the utility model arranges an interlayer in casing, between interlayer and stainless steel trough, forms confined space, in this confined space, be filled with heat-insulation layer, by heat-insulation layer is set, can play the effect of insulation, reduce scattering and disappearing of heat, thereby reduced energy consumption;
A kind of modified constant water bath box of 3 the utility model, are connect mouth, outer circulation pump, casing and are connect the cooperation of mouth by tank, one or more external circulating system can be installed, one or more outside constant temperature field is provided, can use simultaneously, increase purposes, realize a tractor serves several purposes;
A kind of modified constant water bath box of 4 the utility model, the inner liquid level sensor of installing of stainless steel trough, sensed water level height, after lower than setting liquid level, device powers down, effectively prevents dry combustion method, has further improved security performance.
Brief description of the drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms the application's a part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the utility model structural representation.
Mark and corresponding parts title in accompanying drawing:
1-casing, 2-stainless steel trough, 3-interlayer, 4-heat-insulation layer, 51-water outlet ozzle, the 52-ozzle of intaking, 53-the 3rd tank connects mouth, 54-the 4th tank connects mouth, 55-the 5th tank connects mouth, 56-the 6th tank connects mouth, 6-T shape triple valve, 7-draining valve, 8-internal circulation pump, 9-aluminium alloy PTC heating tube, 101-the first outer circulation pump, 102-the second outer circulation pump, 111-the first casing connects mouth, 112-the second casing connects mouth, 113-the 3rd casing connects mouth, 114-the 4th casing connects mouth, 12-temperature sensor, 13-liquid level sensor, 14-controller, the outer constant temperature field of 15-first, the outer constant temperature field of 16-second.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment
As shown in Figure 1, a kind of modified constant water bath box of the utility model, comprise casing 1, a stainless steel trough 2 is installed in casing, on stainless steel trough 2, be provided with into water ozzle 52 and water outlet ozzle 51, wherein water outlet ozzle 51 is connected to T shape triple valve 6 by pipeline, an outlet of T shape triple valve 6 connects draining valve 7, another outlet connects internal circulation pump 8, the outlet of internal circulation pump 8 is by pipeline connecting aluminum alloy PTC heating tube 9, and aluminium alloy PTC heating tube 9 is connected to into water ozzle 52 by pipeline, an interlayer 3 matching with stainless steel trough 2 is also installed in casing 1, between interlayer 3 and stainless steel trough 2, be filled with heat-insulation layer 4, heat-insulation layer 4 adopts polyurethane foams to make, and the first outer circulation pump 101 and the second outer circulation pump 102 are also installed in casing 1, and wherein, the 4th tank connects mouth 54, the first outer circulation pump 101, the 3rd casing connects mouth 113, the first outer constant temperature field 15, the second casing connects mouth 112, the 5th tank connects mouth 55, and stainless steel trough 2 forms the first external circulating system, the 3rd tank connects mouth 53, the second outer circulation pump 102, the 4th casing connects mouth 114, the second outer constant temperature field 16, the first casing connects mouth 111, the 6th tank connects mouth 56, and stainless steel trough 2 forms the second external circulating system, a controller 14 is also installed in casing 1, temperature sensor 12 and liquid level sensor 13 are installed in stainless steel trough 2, the signal that temperature sensor 12 and liquid level sensor 13 gather passes to controller 14, and controller 14 is controlled internal circulation pump 8, the first outer circulation pump 101, and the start and stop of the second outer circulation pump 102, control start and stop and the heating power of aluminium alloy PTC heating tube 9 simultaneously, liquid level sensor 13 sensed water level height, when lower than setting after liquid level, device powers down, effectively prevents dry combustion method, improves safety coefficient.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only detailed description of the invention of the present utility model; and be not used in limit protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a modified constant water bath box, comprise casing (1), a stainless steel trough (2) is installed in casing, it is characterized in that: on described stainless steel trough (2), be provided with into water ozzle (52) and water outlet ozzle (51), wherein water outlet ozzle (51) is connected to T shape triple valve (6) by pipeline, an outlet of T shape triple valve (6) connects draining valve (7), another outlet connects internal circulation pump (8), the outlet of internal circulation pump (8) is by pipeline connecting aluminum alloy PTC heating tube (9), aluminium alloy PTC heating tube (9) is connected to into water ozzle (52) by pipeline.
2. a kind of modified constant water bath box according to claim 1, is characterized in that: interlayer (3) that one and stainless steel trough (2) match is also installed in described casing (1), between interlayer (3) and stainless steel trough (2), is filled with heat-insulation layer (4).
3. a kind of modified constant water bath box according to claim 2, is characterized in that: described heat-insulation layer (4) is made up of polyurethane foams.
4. according to a kind of modified constant water bath box described in any one in claims 1 to 3, it is characterized in that: the first outer circulation pump (101) and the second outer circulation pump (102) are also installed in described casing (1), wherein, the 4th tank connects mouth (54), the first outer circulation pump (101), the 3rd casing connects mouth (113), the first outer constant temperature field (15), the second casing connects mouth (112), the 5th tank connects mouth (55), and stainless steel trough (2) forms the first external circulating system, the 3rd tank connects mouth (53), the second outer circulation pump (102), the 4th casing connects mouth (114), the second outer constant temperature field (16), the first casing connects mouth (111), the 6th tank connects mouth (56), and stainless steel trough (2) forms the second external circulating system.
5. a kind of modified constant water bath box according to claim 4, it is characterized in that: also comprise a controller (14), temperature sensor (12) and liquid level sensor (13) are installed in described stainless steel trough (2), the signal that temperature sensor (12) and liquid level sensor (13) gather passes to controller (14), and controller (14) is controlled the start and stop of aluminium alloy PTC heating tube (9), internal circulation pump (8), the first outer circulation pump (101) and the second outer circulation pump (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142685.9U CN203725167U (en) | 2014-03-27 | 2014-03-27 | Improved constant temperature water bath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420142685.9U CN203725167U (en) | 2014-03-27 | 2014-03-27 | Improved constant temperature water bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203725167U true CN203725167U (en) | 2014-07-23 |
Family
ID=51195269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420142685.9U Expired - Fee Related CN203725167U (en) | 2014-03-27 | 2014-03-27 | Improved constant temperature water bath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203725167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928577A (en) * | 2016-04-18 | 2016-09-07 | 西安交通大学 | Temperature controllable measuring device and measuring method for micro-flow |
-
2014
- 2014-03-27 CN CN201420142685.9U patent/CN203725167U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928577A (en) * | 2016-04-18 | 2016-09-07 | 西安交通大学 | Temperature controllable measuring device and measuring method for micro-flow |
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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: 20140723 Termination date: 20150327 |
|
| EXPY | Termination of patent right or utility model |