CN204715284U - A kind of tank of control automatically water temperature leveled heating device - Google Patents
A kind of tank of control automatically water temperature leveled heating device Download PDFInfo
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- CN204715284U CN204715284U CN201520329752.2U CN201520329752U CN204715284U CN 204715284 U CN204715284 U CN 204715284U CN 201520329752 U CN201520329752 U CN 201520329752U CN 204715284 U CN204715284 U CN 204715284U
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- lateral connection
- water temperature
- connection bar
- heater strip
- heating device
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Abstract
A kind of tank of control automatically water temperature leveled heating device, it is characterized in that, four Vertical dimension connecting rods are divided into two groups, often organize two root bottom parts and are connected by longitudinal connecting rod, and become " U " font, the structure of two " U " fonts is positioned at the left and right sides of tank water flow path direction; By connecting perpendicular to the lateral connection bar of water (flow) direction between the structure of two " U " fonts, Vertical dimension, vertical and horizontal three directions are vertical between two; Arrange that 2-8 section heater strip becomes one deck of level between the lateral connection bar that the two ends of tank water flow path direction are contour, this 2-8 section heater strip is connected into a heater strip, the heater strip of every one deck adopts separate pressure-adjustable power supply to power respectively, each power supply connects independently temperature detect switch (TDS) respectively, the temp probe of temperature detect switch (TDS) is fixed on the middle part of every root lateral connection bar, and each power supply is in parallel connection.Compared with existing apparatus, can automatically control, stable simulation effluent trough water temperature delamination structure.
Description
Technical field
The utility model relates to environmental and ecological hydraulic test field, and the small-sized tank water temperature delamination that particularly laboratory uses heats, and designs a kind of leveled heating device of automatic control, reaches the effect of water temperature stability layering in tank.
Background technology
The construction of large reservoir, to the economy of rational development of water resources utilization and locality and social development significant, but drawing retaining reservoir area water velocity can be made to slow down simultaneously also due to reservoir, the depth of water increases, cause the change of water temperature structure, form the hierarchy of water temperature of reservoir.This water temperature delamination structure can cause the change of original water body in physicochemical property, the distribution of aquatile characteristic sum on the one hand; Low-temperature discharge can be made again on the other hand to affect river course fish life and breeding under dam, and by filling with the growth of crops.Therefore, the change of research flow field, thermal field and connecting each other, improves lower sluicing temperature for stratified pumping and is significant.
Research both at home and abroad to stratified pumping, the main method adopting physical experiments, and in the method, maximum technical barrier is exactly the simulation of water temperature stability hierarchy.While existing method mainly adopts thermal baffle to separate water body, flow out after respectively different temperatures being heated to every layer of water body, finally reach water temperature delamination effect, such as: Chinese patent " a kind of electrical heating experimental facilities of simulating water temperature laminar flow " (notification number: CN 203808007, the day for announcing: 2014.09.03).Such device comes with some shortcomings, and thermal baffle causes the flow velocity of adjacent layer, water temperature discontinuous on the one hand, has blending largely, affect the distribution of Flow and heat flux when water body enters non-inductive windings region; Need according to different sink sizes on the other hand, make different heaters after calculating, complex manufacturing process, cost is higher.
Utility model content
For the layered effect overcoming existing water temp. heating mode is bad and stability is not enough, the present invention designs a kind of tank water temperature leveled heating device of automatic control.
The technical scheme that the utility model realizes is: a kind of tank of control automatically water temperature leveled heating device, its feature: four Vertical dimension connecting rods are divided into two groups, often organize two root bottom parts to be connected by longitudinal connecting rod, become " U " font, the structure of two " U " fonts is positioned at the left and right sides of tank water flow path direction; By connecting perpendicular to the lateral connection bar of water (flow) direction between the structure of two " U " fonts, Vertical dimension, vertical and horizontal three directions are vertical between two; Arrange that 2-8 section heater strip becomes one deck of level between the lateral connection bar that the two ends of tank water flow path direction are contour, this 2-8 section heater strip is connected into a heater strip, the heater strip of every one deck adopts separate pressure-adjustable power supply to power respectively, each power supply connects independently temperature detect switch (TDS) respectively, the temp probe of temperature detect switch (TDS) is fixed on the middle part of every root lateral connection bar, and each power supply is in parallel connection.Lateral connection bar is made up of retractable cartridge unit, and the fixed cover of cartridge unit is coaxially connected with movable sleeve and forms retractable annexation.Vertical dimension connecting rod has the hole of inserting for lateral connection bar, hole center distance is 1cm.Lateral connection bar is hollow.Two lateral connection bars of every one deck can be fixed on the differing heights of Vertical dimension connecting rod.
The beneficial effects of the utility model are: the utility model adopts the lateral connection bar of adjustable width, to adapt to test in the tank of different size.Arrange that heater strip becomes one deck of level between the lateral connection bar that the two ends of tank water flow path direction are contour, differing heights and dismounting can be fixed on, to adapt to different experiments scheme.The heater strip used is comparatively thin, decreases the impact of heating timer stream field.Temperature detect switch (TDS) obtains this layer of water temperature by temp probe, automatically can be energized when this layer of water temperature reaches the lower limit water temperature of setting, auto-breaking when reaching upper limit water temperature, to ensure the stable of hierarchy.Compared with existing apparatus, can realize automatic control, stable simulation effluent trough water temperature delamination structure, conveniently monitors water temperature, is better experimental service.
Accompanying drawing explanation
Fig. 1 is a kind of tank of control automatically water temperature leveled heating device overall schematic;
Fig. 2 is main body rack pin hole detail drawing;
Fig. 3 is lateral connection bar detail drawing;
Fig. 4 is temperature detect switch (TDS) and power supply detail drawing.
Wherein, 1 is Vertical dimension connecting rod, and 2 is longitudinal connecting rods, and 3 is lateral connection bars, and 301 is fixed covers, and 302 is movable sleeves, and 4 is jacks, and 5 is heater strips, and 6 is temperature detect switch (TDS) and power supply, and 7 is temp probes, and 8 is electric wires.
Detailed description of the invention
The tank water temperature leveled heating device that laboratory uses, first experimentally uses the width of tank, regulates the length of lateral connection bar 3 and heater strip 5, fixed by heater strip 5, with applicable tank with clip.Then experimentally heat needs, choose the number of plies of heater strip 5 and lateral connection bar 3 and be connected to height on Vertical dimension connecting rod 1, then lateral connection bar 3 is inserted hole 4 on Vertical dimension connecting rod 1 with fixing.Set lower limit and upper limit water temperature afterwards, the voltage of adjustment voltage controller power source, device is put into water, open temperature detect switch (TDS) and power supply 6, monitor temperature detect switch (TDS) when water temperature reaches target water temperature until temp probe 7 automatically to close, if certain layer of water temperature is down to lower limit water temperature in experimentation, temperature detect switch (TDS) automatically can be opened and continue heating.
Concrete technical scheme is: a kind of tank of control automatically water temperature leveled heating device, its feature: four Vertical dimension connecting rods are divided into two groups, often organize two root bottom parts to be connected by longitudinal connecting rod, become " U " font, the Vertical dimension connecting rod of the vertical portion of the both sides of " U " font is perpendicular to longitudinal connecting rod of bottom, and the structure of two " U " fonts is positioned at the left and right sides of tank water flow path direction (being generally arranged in the inner side in two faces at water (flow) direction place); Connected by the lateral connection bar perpendicular to water (flow) direction between the structure of two " U " fonts, lateral connection bar connects the Vertical dimension connecting rod of both sides; Three directions of connecting rod (comprising Vertical dimension connecting rod, longitudinal connecting rod and lateral connection bar): Vertical dimension, vertical and horizontal three directions are mutually vertical between two, in general, Vertical dimension is positioned at vertical direction, and namely perpendicular to horizontal direction, vertical and horizontal in the horizontal direction; Arrange that 2-8 section heater strip becomes one deck of level between the lateral connection bar that the two ends of tank water flow path direction are contour, this 2-8 section heater strip is connected into a heater strip in electricity, the heater strip of every one deck adopts separate pressure-adjustable power supply to power respectively, each power supply connects independently temperature detect switch (TDS) respectively, the temp probe of temperature detect switch (TDS) is fixed on the middle part of every root lateral connection bar, is in parallel connection to all power supplys that every layer of heater strip is powered.Lateral connection bar is made up of retractable cartridge unit, and the fixed cover of cartridge unit is coaxially connected with movable sleeve and forms retractable annexation.Vertical dimension connecting rod has the hole of inserting for lateral connection bar, hole center distance is 1cm.Lateral connection bar is hollow, is conducive at internal placement wire, and joint is arranged in outside, introduce power line from one end, be connected on the joint of wherein one end, from the junction contacts of the other end and extracting power supply cord, other one, joint interval connection, illustrate there are 5 joints, wherein 1 introduce power line, 5 extracting power supply cords, 2 are communicated with 3, and 4 are communicated with 5, just can realize being connected in series of heater strip like this with the joint of another lateral connection bar of same layer.Two lateral connection bars of every one deck can be fixed on the differing heights of Vertical dimension connecting rod.
Experiment embodiment is illustrated: in the model experiment of a certain large reservoir 6-8 month stratified pumping, according to water temperature detection data before dam, water temperature is divided into 10 layers along depth of water direction, adopts 1:200 normal model.Controlled the heated condition of each layer heater strip by temperature detect switch (TDS) auto switching, realize the simulation of water temperature delamination.Adopt the heater strip of power 100W and number, corresponding temperature detect switch (TDS) and voltage controller power source are also numbered with corresponding number, and along with the increase of the depth of water, voltage controller power source voltage should constantly reduce.In example, to convert each layer heating power according to flow, flow velocity and target water temperature.Make every layer of heat time roughly the same, calculate to obtain the voltage of each layer power supply.Capping water temperature equals target water temperature, and lower limit water temperature is lower than upper limit water temperature 0.5 DEG C, tests.
Claims (5)
1. one kind controls tank water temperature leveled heating device automatically, it is characterized in that, four Vertical dimension connecting rods are divided into two groups, often organize two root bottom parts and are connected by longitudinal connecting rod, become " U " font, the structure of two " U " fonts is positioned at the left and right sides of tank water flow path direction; By connecting perpendicular to the lateral connection bar of water (flow) direction between the structure of two " U " fonts, Vertical dimension, vertical and horizontal three directions are vertical between two; Arrange that 2-8 section heater strip becomes one deck of level between the lateral connection bar that the two ends of tank water flow path direction are contour, this 2-8 section heater strip is connected into a heater strip, the heater strip of every one deck adopts separate pressure-adjustable power supply to power respectively, each power supply connects independently temperature detect switch (TDS) respectively, the temp probe of temperature detect switch (TDS) is fixed on the middle part of every root lateral connection bar, and each power supply is in parallel connection.
2. the one according to claim 1 controls tank water temperature leveled heating device automatically, and it is characterized in that, lateral connection bar is made up of retractable cartridge unit, and the fixed cover of cartridge unit is coaxially connected with movable sleeve and forms retractable annexation.
3. the one according to claim 1 controls tank water temperature leveled heating device automatically, it is characterized in that, Vertical dimension connecting rod has the hole of inserting for lateral connection bar, hole center distance is 1cm.
4. the one according to claim 1 controls tank water temperature leveled heating device automatically, it is characterized in that, described lateral connection bar is hollow.
5. the one according to claim 1 controls tank water temperature leveled heating device automatically, it is characterized in that, two lateral connection bars of described every one deck can be fixed on the differing heights of Vertical dimension connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520329752.2U CN204715284U (en) | 2015-05-21 | 2015-05-21 | A kind of tank of control automatically water temperature leveled heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520329752.2U CN204715284U (en) | 2015-05-21 | 2015-05-21 | A kind of tank of control automatically water temperature leveled heating device |
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| Publication Number | Publication Date |
|---|---|
| CN204715284U true CN204715284U (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520329752.2U Expired - Fee Related CN204715284U (en) | 2015-05-21 | 2015-05-21 | A kind of tank of control automatically water temperature leveled heating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882426A (en) * | 2017-01-13 | 2017-06-23 | 四川大学 | Many specification standards carton automatic sensing molding machines |
| CN108801586A (en) * | 2018-05-02 | 2018-11-13 | 东南大学 | Density stratification Multi-functional analog experimental trough device |
-
2015
- 2015-05-21 CN CN201520329752.2U patent/CN204715284U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882426A (en) * | 2017-01-13 | 2017-06-23 | 四川大学 | Many specification standards carton automatic sensing molding machines |
| CN106882426B (en) * | 2017-01-13 | 2023-05-12 | 四川大学 | Automatic induction glue sealing machine for multi-specification standard cartons |
| CN108801586A (en) * | 2018-05-02 | 2018-11-13 | 东南大学 | Density stratification Multi-functional analog experimental trough device |
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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: 20151021 Termination date: 20160521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |