CN212142681U - Constant temperature device - Google Patents
Constant temperature device Download PDFInfo
- Publication number
- CN212142681U CN212142681U CN202020381482.0U CN202020381482U CN212142681U CN 212142681 U CN212142681 U CN 212142681U CN 202020381482 U CN202020381482 U CN 202020381482U CN 212142681 U CN212142681 U CN 212142681U
- Authority
- CN
- China
- Prior art keywords
- liquid
- temperature
- inlet pipe
- pipe
- outlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a constant temperature device, which comprises a constant temperature box; a liquid cooling tank; and the pipeline assembly comprises a first liquid outlet pipe, a first liquid inlet pipe and a second liquid inlet pipe, a heater is arranged on the first liquid inlet pipe, and the outlet end of the first liquid outlet pipe is communicated with the inlet end of the first liquid inlet pipe. When the temperature of the liquid in the thermostat is lower than the temperature required by the experiment, the liquid in the thermostat is led out into a first liquid inlet pipe by a first liquid outlet pipe, the liquid in the first liquid inlet pipe is heated by a heater, and then the liquid is conveyed into the thermostat again by the first liquid inlet pipe, so that the temperature of the liquid in the thermostat reaches the temperature of the liquid required by the experiment; when the liquid temperature in the thermostated container is higher than the temperature that the experiment required, the second feed liquor pipe can send the cryogenic liquids of cold liquid incasement into the thermostated container to the liquid temperature that the cooling made the thermostated container in reaches the experiment requirement, simple structure, and the cost is also low, satisfies the experiment requirement in laboratory.
Description
Technical Field
The utility model relates to a constant temperature guarantee technical field for the experiments especially relates to a constant temperature equipment.
Background
An expressway refers to a road dedicated to high-speed driving of automobiles, and the designed speed per hour of the expressway is usually 80km to 120km per hour. With the continuous development of high-grade highways, China puts higher requirements on the safety and comfort of highway pavements, and asphalt mixture pavements are adopted for the pavements of a large number of high-grade highways.
However, the viscosity-temperature characteristics of asphalt cement cause asphalt mixtures to exhibit different strength properties at different temperatures. Therefore, when the design of the asphalt pavement is carried out, the mix proportion design is usually carried out indoors, more mix tests are usually involved in the mix design process, and the test temperature has great influence on performance indexes of the mix, such as high temperature, low temperature, water loss resistance and the like in the test process. Meanwhile, some test indexes in the asphalt mixture, such as determination of Marshall volume indexes of a test piece, such as bulk density, void ratio and the like, are influenced by the test temperature, and the mixture can use constant-temperature water in the manufacturing process so as to better control the temperature of the mixture. Usually, the laboratory test equipment does not have a matched constant temperature water tank, and the special constant temperature water tank is expensive and difficult to bear.
SUMMERY OF THE UTILITY MODEL
Therefore, a constant temperature device is needed, which has a simple structure and low cost and meets the requirements of constant temperature experiments in laboratories.
The technical scheme is as follows:
a thermostatic device comprises a thermostatic chamber; a liquid cooling tank; and the pipeline assembly comprises a first liquid outlet pipe, a first liquid inlet pipe and a second liquid inlet pipe, a heater is arranged on the first liquid inlet pipe, the outlet end of the first liquid outlet pipe is communicated with the inlet end of the first liquid inlet pipe, the first liquid outlet pipe is used for leading out liquid in the constant temperature box, the first liquid inlet pipe is used for feeding heated liquid into the constant temperature box, and the second liquid inlet pipe is used for feeding liquid in the cold liquid box into the constant temperature box.
According to the constant temperature device, when the temperature of liquid in the constant temperature box is lower than the temperature required by an experiment, the liquid in the constant temperature box is led out into the first liquid inlet pipe through the first liquid outlet pipe, the liquid in the first liquid inlet pipe is heated through the heater, and then the liquid is conveyed into the constant temperature box again through the first liquid inlet pipe, so that the temperature of the liquid in the constant temperature box reaches the temperature of the liquid required by the experiment; when the liquid temperature in the thermostated container is higher than the temperature that the experiment required, the second feed liquor pipe can send the cryogenic liquids of cold liquid incasement into the thermostated container to the liquid temperature that the cooling made the thermostated container in reaches the experiment requirement, simple structure, and the cost is also low, satisfies the experiment requirement in laboratory.
The technical solution is further explained below:
in one embodiment, the thermostat device further comprises a temperature detector and a controller, the temperature detector is arranged in the thermostat, and the temperature detector and the heater are both electrically connected with the controller.
In one embodiment, a first pump body is arranged on the first liquid outlet pipe; and a second pump body is arranged on the second liquid inlet pipe.
In one embodiment, the thermostatic device further comprises a recycling tank, the pipe assembly further comprises a second liquid outlet pipe and a three-way valve, the outlet end of the first liquid outlet pipe, the inlet end of the first liquid inlet pipe and the inlet end of the second liquid outlet pipe are all communicated with the three-way valve, and the second liquid outlet pipe is used for sending liquid into the recycling tank.
In one embodiment, the three-way valve is a three-way solenoid valve, and the three-way solenoid valve is electrically connected with the controller.
In one embodiment, the thermostat device further includes a fixed plate, and the heater, the first pump body, the second pump body, the three-way valve, and the controller are all provided on the fixed plate.
In one embodiment, the recycling tank is further provided with a waste liquid discharge valve, and the waste liquid discharge valve is arranged at the bottom or the side part of the recycling tank;
the cold liquid tank is also provided with a cold liquid discharge valve which is arranged at the bottom or the side part of the cold liquid tank; or the second liquid inlet pipe is also provided with a cold liquid discharge valve which is positioned between the cold liquid box and the second pump body.
In one embodiment, the inlet end of the first liquid outlet pipe is provided with a first filter, and the first filter is positioned in the incubator; and a second filter is arranged at the inlet end of the second liquid inlet pipe and is positioned in the cold liquid box.
In one embodiment, the liquid cooling box is provided with a box cover, the box cover is arranged at the top of the liquid cooling box, and the box cover can be opened and closed on the liquid cooling box.
In one embodiment, the inner wall of the liquid cooling tank is provided with a heat insulation layer.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a thermostat device according to an embodiment;
FIG. 2 is a heating operation diagram of the thermostat device in the embodiment of FIG. 1;
fig. 3 is a cooling operation diagram of the thermostat device in the embodiment of fig. 1.
Reference is made to the accompanying drawings in which:
100. a thermostat; 200. a liquid cooling tank; 210. a box cover; 310. a first liquid outlet pipe; 311. a first filter; 320. a second liquid outlet pipe; 330. a first liquid inlet pipe; 340. a second liquid inlet pipe; 341. a cold liquid discharge valve; 342. a second filter; 350. a heater; 360. a first pump body; 370. a second pump body; 380. a three-way valve; 390. a controller; 400. a temperature detector; 500. a fixing plate; 600. a recycling bin; 610. and a waste liquid discharge valve.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
in order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 to 3, a thermostat device includes a thermostat 100; a cold liquid tank 200; and the pipeline assembly comprises a first liquid outlet pipe 310, a first liquid inlet pipe 330 and a second liquid inlet pipe 340, wherein a heater 350 is arranged on the first liquid inlet pipe 330, the outlet end of the first liquid outlet pipe 310 is communicated with the inlet end of the first liquid inlet pipe 330, the first liquid outlet pipe 310 is used for leading out liquid in the constant temperature box 100, the first liquid inlet pipe 330 is used for feeding heated liquid into the constant temperature box 100, and the second liquid inlet pipe 340 is used for feeding liquid in the cold liquid box 200 into the constant temperature box 100.
According to the constant temperature device, when the temperature of liquid in the constant temperature box 100 is lower than the temperature required by an experiment, the liquid in the constant temperature box 100 is led out into the first liquid inlet pipe 330 by the first liquid outlet pipe 310, the liquid in the first liquid inlet pipe 330 is heated by the heater 350, and then the liquid is conveyed into the constant temperature box 100 again by the first liquid inlet pipe 330, so that the temperature of the liquid in the constant temperature box 100 reaches the temperature of the liquid required by the experiment; when the liquid temperature in thermostated container 100 is higher than the temperature that the experiment required, second feed liquor pipe 340 can send into thermostated container 100 with the cryogenic liquids in cold liquid case 200 in to the liquid temperature that the cooling made in thermostated container 100 reaches the experiment requirement, simple structure, and the cost is also low, satisfies the experiment requirement in laboratory.
The viscosity-temperature characteristics of asphalt cement enable the asphalt mixture to show different strength properties at different temperatures. Therefore, when the asphalt pavement is designed, the proportioning design is usually carried out indoors, more mixture tests are usually involved in the proportioning design, and the temperature has great influence on performance indexes of the mixture, such as high temperature, low temperature, water loss resistance and the like in the test process.
Meanwhile, some test indexes in the asphalt mixture, such as determination of Marshall volume indexes of bulk density, void ratio and the like of a test piece, are influenced by test temperature, and the mixture can use constant-temperature liquid (such as constant-temperature water) in the manufacturing process, however, a traditional laboratory does not have special constant-temperature equipment to meet the experiment of mixture proportioning design of asphalt materials and the like, and a special constant-temperature water tank is expensive, so that the cost is hard to bear in a general laboratory.
Referring to fig. 1 to 3, in the thermostat 100, a liquid (for example, water) for performing an experiment is placed, and the liquid needs to maintain a constant temperature required by the experiment; and the liquid in the cold liquid box 200 is lower than the temperature needed by the experiment.
In the experiment, when the temperature of the liquid in the incubator 100 is lower than the temperature required by the experiment, the first liquid outlet pipe 310 leads out the liquid (which can be a part or all) in the incubator 100 and reaches the first liquid inlet pipe 330, because the heater 350 is arranged on the first liquid inlet pipe 330, the heater 350 can heat the liquid, thereby heating the liquid, the heated liquid is sent into the incubator 100 again by the first liquid inlet pipe 330, the circulation is continuous, the technical effect of heating the liquid in the incubator 100 can be realized, so as to reach the temperature required by the experiment, after the temperature is reached, the heater 350 does not work, and the liquid in the incubator 100 is not led out by the first liquid outlet pipe 310.
In the experiment, when the liquid temperature in thermostated container 100 is higher than the required temperature of experiment, second feed liquor pipe 340 draws the cryogenic liquids in cold liquid case 200 and pours into thermostated container 100 into, cryogenic liquids mixes with the interior liquid of thermostated container 100 that is higher than the required temperature of experiment, thereby realize the cooling effect to liquid in thermostated container 100, thereby make the liquid in thermostated container 100 resume to the required temperature of experiment, after reaching the required temperature of experiment, second feed liquor pipe 340 no longer pours into cryogenic liquids into thermostated container 100 into.
In one embodiment, the liquid required for the experiment in incubator 100 is water at a predetermined temperature, and the liquid stored in cold liquid tank 200 is cold water or ice water.
In one embodiment, the heater 350 may be a heating module, and may be a device capable of heating liquid, such as an existing device that is heated by electricity, and those skilled in the art may select the heating module according to actual needs, and the details are not described herein.
Referring to fig. 1 to 3, the thermostat device further includes a temperature detector 400 and a controller 390, the temperature detector 400 is disposed in the thermostat 100, and both the temperature detector 400 and the heater 350 are electrically connected to the controller 390.
Further, the temperature detector 400 may be a temperature detection sensor provided in the thermostat device. Since the temperature detector 400 is disposed in the oven 100, and the oven 100 has liquid therein, and the temperature detector 400 must be immersed in the liquid to detect the temperature, the temperature detector 400 should have the functions of preventing water or preventing the liquid from interfering with the temperature detection (such as corrosion, damage, etc.), and the like, and those skilled in the art can make an optional fit according to actual needs, and no further description is given here.
As shown in fig. 1 to 3, the temperature detector 400 is disposed near the bottom of the oven 100 to ensure that the temperature detector 400 is immersed in the liquid in the oven 100 for normal temperature detection, which will not be described herein.
Further, the controller 390 may be a PLC, or a control panel with a control function, and has an operation display screen to perform manual control according to actual needs, which is not described herein again.
Referring to fig. 1 to fig. 3, a first pump 360 is disposed on the first liquid outlet pipe 310.
The first pump 360 is used for being started when the liquid in the incubator 100 needs to be heated up, the first pump 360 is controlled by the controller 390 to be started or closed, and the controller 390 determines whether to open the first pump 360 according to whether the current temperature in the incubator 100 detected by the temperature detector 400 meets the experimental requirements.
As shown in fig. 1 to 3, in order to realize the normal leading-out of the liquid in the incubator 100, an inlet end of the first liquid outlet pipe 310 is disposed at a position close to the bottom of the incubator 100, and the position may be set as required, for example, a preset distance is formed between the inlet end of the first liquid outlet pipe 310 and the bottom of the incubator 100, and the preset distance may be 5cm to 20 cm.
Referring to fig. 1 to 3, a second pump 370 is disposed on the second liquid inlet pipe 340.
The second pump body 370 is disposed inside the second liquid inlet pipe 340, and when the temperature of the liquid in the incubator 100 is higher than the temperature required for the experiment, the second pump body 370 is started to convey the cold liquid in the cold liquid tank 200 into the incubator 100 through the second liquid inlet pipe 340, and the cold liquid is mixed with the liquid in the incubator 100, so that the temperature of the liquid in the incubator 100 is reduced, and the temperature required by the experiment is obtained. Thereafter, controller 390 controls second pump 370 to stop driving to stop further cooling of the liquid in oven 100.
Further, the first pump body 360 and the second pump body 370 may be water pumps, the specification of the first pump body 360 should be correspondingly selected according to the pipe diameter of the first liquid outlet pipe 310 to be correspondingly set, and the specification of the second pump body 370 should be correspondingly selected according to the pipe diameter of the second liquid inlet pipe 340 to be correspondingly set, and those skilled in the art may select according to actual needs, and details are not described here.
Referring to fig. 1 to 3, the constant temperature device further includes a recycling tank 600, the pipe assembly further includes a second liquid outlet pipe 320 and a three-way valve 380, an outlet end of the first liquid outlet pipe 310, an inlet end of the first liquid inlet pipe 330, and an inlet end of the second liquid outlet pipe 320 are all communicated with the three-way valve 380, and the second liquid outlet pipe 320 is used for delivering liquid into the recycling tank 600.
Further, as shown in fig. 1 to 3, the recovery tank 600 and the cold liquid tank 200 are integrally provided. In fig. 1 to 3, the right side wall of the liquid cooling tank 200 and the left side wall of the recycling tank 600 are common tank walls, and the integral arrangement not only saves cost, but also reduces the occupied space of the thermostat device, and is not described herein again.
As shown in fig. 2, when the temperature of the liquid in incubator 100 is lower than the required experimental temperature, controller 390 controls the first water pump to start up to lead the liquid in incubator 100 out to the position of three-way valve 380 through first liquid outlet pipe 310, at this time, three-way valve 380 only opens the outlet end of first liquid outlet pipe 310 and the inlet end of first liquid inlet pipe 330, and three-way valve 380 closes the inlet end of second liquid outlet pipe 320, at this time, first liquid outlet pipe 310 and first liquid inlet pipe 330 are communicated, the liquid is heated by heater 350 in first liquid inlet pipe 330, and further sent into incubator 100 through first liquid inlet pipe 330, thereby playing a role of heating the liquid in incubator 100, so that the temperature of the liquid in incubator 100 reaches the constant temperature required by the experiment.
As shown in fig. 3, when the temperature of the liquid in incubator 100 is higher than the desired experimental temperature, controller 390 controls the first water pump to start to draw the liquid in incubator 100 out through first liquid outlet pipe 310 to position of three-way valve 380, at this time, three-way valve 380 is only opened for the outlet end of first liquid outlet pipe 310 and the inlet end of second liquid outlet pipe 320, and three-way valve 380 is closed for the inlet end of first liquid inlet pipe 330, at this time, first liquid outlet pipe 310 and second liquid outlet pipe 320 are communicated, so as to draw out and discharge the part of the liquid with higher temperature into recovery box 600. Meanwhile, the controller 390 further controls the second pump 370 to start, and the second pump 370 feeds the cold liquid in the cold liquid tank 200 into the incubator 100 through the second liquid inlet pipe 340 after starting, so as to supplement the liquid in the incubator 100 on one hand, and mix the cold liquid with the high-temperature liquid in the original incubator 100 on the other hand, thereby reducing the temperature of the liquid in the incubator 100.
In one embodiment, the three-way valve 380 is a three-way solenoid valve that is electrically connected to the controller 390.
The three-way valve 380 is a three-way electromagnetic valve, and under the condition, the opening and closing of the three valves on the three-way valve 380 can be automatically controlled by the controller 390, so that higher automation can be realized during working, and further description is omitted.
Referring to fig. 1 to 3, the thermostat device further includes a fixing plate 500, and the heater 350, the first pump body 360, the second pump body 370, the three-way valve 380, and the controller 390 are all disposed on the fixing plate 500.
The fixture plate 500 is used to mount and fix the heater 350, the first pump body 360, the second pump body 370, the three-way valve 380, and the controller 390 to complete a particular mounting arrangement.
Further, the fixing plate 500 is an acrylic plate.
Referring to fig. 1 to 3, the recycling bin 600 is further provided with a waste liquid discharge valve 610, and the waste liquid discharge valve 610 is disposed at the bottom or the side of the recycling bin 600.
The waste liquid in the recycling bin 600 can be discharged through the waste liquid discharge valve 610, and can be directly discharged or recycled, and if the waste liquid is water, recycling can be considered, and water resources are saved.
As shown in fig. 1 to 3, a waste liquid discharge valve 610 is provided at a side portion of the recovery tank 600 near the bottom portion to facilitate discharge of waste liquid in the recovery tank 600.
Further, the waste liquid discharge valve 610 may be a water tap, and those skilled in the art may select the waste liquid according to actual needs, which will not be described herein.
Referring to fig. 1 to 3, the cold liquid tank 200 is further provided with a cold liquid discharge valve 341, and the cold liquid discharge valve 341 is disposed at the bottom or the side of the cold liquid tank 200.
After the experiment is completed, if there is redundant cold liquid in the cold liquid tank 200, the residual liquid in the cold liquid tank 200 can be discharged or led out to a preset tank body through the cold liquid discharge valve 341 for reuse, which is not described herein again.
Of course, it may be: the second liquid inlet pipe 340 is further provided with a cold liquid discharge valve 341, and the cold liquid discharge valve 341 is located between the cold liquid tank 200 and the second pump body 370.
As shown in fig. 1 to 3, the cold liquid discharging valve 341 is disposed on the second liquid inlet pipe 340, the cold liquid discharging valve 341 is disposed between the cold liquid tank 200 and the second pump body 370, and after the experiment is completed, the cold liquid discharging valve 341 can discharge or drain the excessive cold liquid into the predetermined tank for reuse.
Further, the cold liquid discharge valve 341 may be a water tap, or may be of other structures, and those skilled in the art may select and match the cold liquid discharge valve according to actual needs, which will not be described herein again.
Referring to fig. 1 to 3, a first filter 311 is disposed at an inlet end of the first liquid outlet pipe 310, and the first filter 311 is located in the incubator 100.
Similarly, the inlet end of the second liquid inlet pipe 340 is provided with a second filter 342, and the second filter 342 is located in the cold liquid tank 200.
The second filter 342 is used for filtering the liquid entering the second liquid inlet pipe 340 in the cold liquid tank 200, so as to ensure that the liquid entering the second liquid inlet pipe 340 cannot block the second liquid inlet pipe 340, thereby ensuring the normal operation of the thermostatic device.
Further, first filter 311 comprises a screen or sieve disposed at an outlet end of first effluent pipe 310. Similarly, the second filter 342 comprises a screen or sieve disposed at the outlet end of the second inlet pipe 340. Those skilled in the art can make the matching according to the actual needs, and the details are not described here.
Referring to fig. 1 to 3, the liquid cooling box 200 is provided with a box cover 210, the box cover 210 is arranged on the top of the liquid cooling box 200, and the box cover 210 can be opened and closed on the liquid cooling box 200.
The cover 210 can be opened and closed, and the cover 210 can be opened to supplement cold liquid into the cold liquid tank 200 according to actual needs, and if the liquid is water and the cold liquid in the cold liquid tank 200 is cold water, cold water or ice blocks can be supplemented into the cold liquid tank 200 by opening the cover 210, which is not described herein again.
In one embodiment, the inner wall of the cold liquid tank 200 is provided with a thermal insulation layer. The heat insulating layer is used for isolating the influence of the external temperature on the cold liquid tank 200 and ensuring that the temperature of the cold liquid in the cold liquid tank 200 is lower, so the heat insulating layer can also be understood as a heat insulating layer to ensure the low temperature of the cold liquid.
Further, the insulation layer may also be a foam structure.
In one embodiment, the first outlet pipe 310, the second outlet pipe 320, the first inlet pipe 330 and the second inlet pipe 340 may be flexible pipe structures. The first water pump, the second water pump, the heater 350, the temperature detector 400, and the three-way valve 380 may be electrically connected to the controller 390 through lines (e.g., electric wires) according to actual space conditions. Of course, when the requirement is satisfied, the connection may also be performed in a wireless manner, which is not described herein again.
The constant temperature device that this embodiment provided can be applied to in the indoor experiment of bituminous mixture, and thermostated container 100 is equivalent to the constant temperature basin to satisfy actual needs, no longer describe here.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A thermostatic device, characterized by comprising:
a thermostat;
a liquid cooling tank; and
the pipeline assembly comprises a first liquid outlet pipe, a first liquid inlet pipe and a second liquid inlet pipe, a heater is arranged on the first liquid inlet pipe, the outlet end of the first liquid outlet pipe is communicated with the inlet end of the first liquid inlet pipe, the first liquid outlet pipe is used for leading out liquid in the constant temperature box, the first liquid inlet pipe is used for feeding heated liquid into the constant temperature box, and the second liquid inlet pipe is used for feeding liquid in the cold liquid box into the constant temperature box.
2. The thermostat of claim 1, further comprising a temperature detector and a controller, wherein the temperature detector is disposed within the incubator, and the temperature detector and the heater are both electrically connected to the controller.
3. The thermostatic device according to claim 2, wherein a first pump body is arranged on the first liquid outlet pipe; and a second pump body is arranged on the second liquid inlet pipe.
4. A thermostatic device according to claim 3, further comprising a recovery tank, wherein the pipe assembly further comprises a second liquid outlet pipe and a three-way valve, wherein an outlet end of the first liquid outlet pipe, an inlet end of the first liquid inlet pipe and an inlet end of the second liquid outlet pipe are all in communication with the three-way valve, and the second liquid outlet pipe is adapted to feed liquid into the recovery tank.
5. The thermostat of claim 4, wherein the three-way valve is a three-way solenoid valve electrically connected to the controller.
6. A thermostat according to claim 4, further comprising a fixed plate on which the heater, the first pump body, the second pump body, the three-way valve and the controller are provided.
7. The thermostat device according to claim 4, wherein the recovery tank is further provided with a waste liquid discharge valve provided at a bottom or a side of the recovery tank;
the cold liquid tank is also provided with a cold liquid discharge valve which is arranged at the bottom or the side part of the cold liquid tank; or the second liquid inlet pipe is also provided with a cold liquid discharge valve which is positioned between the cold liquid box and the second pump body.
8. The thermostatic device according to any one of claims 1 to 7, wherein the inlet end of the first outlet pipe is provided with a first filter, said first filter being located inside the thermostatic chamber; and a second filter is arranged at the inlet end of the second liquid inlet pipe and is positioned in the cold liquid box.
9. The thermostat device according to any one of claims 1 to 7, wherein the liquid cooling tank is provided with a lid provided on a top of the liquid cooling tank, the lid being openable and closable on the liquid cooling tank.
10. The thermostat device according to any one of claims 1 to 7, characterized in that the inner wall of the cold liquid tank is provided with a heat insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020381482.0U CN212142681U (en) | 2020-03-23 | 2020-03-23 | Constant temperature device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020381482.0U CN212142681U (en) | 2020-03-23 | 2020-03-23 | Constant temperature device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212142681U true CN212142681U (en) | 2020-12-15 |
Family
ID=73715783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020381482.0U Active CN212142681U (en) | 2020-03-23 | 2020-03-23 | Constant temperature device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212142681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112892617A (en) * | 2021-01-22 | 2021-06-04 | 西安苏试广博环境可靠性实验室有限公司 | Multifunctional automatic water adding device for high-low temperature damp-heat test box |
-
2020
- 2020-03-23 CN CN202020381482.0U patent/CN212142681U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112892617A (en) * | 2021-01-22 | 2021-06-04 | 西安苏试广博环境可靠性实验室有限公司 | Multifunctional automatic water adding device for high-low temperature damp-heat test box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212142681U (en) | Constant temperature device | |
| CN104697177A (en) | Water heater as well as control method and control system thereof | |
| CN102367646A (en) | Agitating method and equipment for asphalt | |
| CN205372991U (en) | Constant temperature and isopiestic pressure water tank | |
| JP4163514B2 (en) | Water incompatible liquid storage container | |
| CN105762436A (en) | Power battery heating system of electric vehicle and control method of power battery heating system | |
| CN204543646U (en) | A kind of oily water separating equipment | |
| CN203132144U (en) | Water heater | |
| CN206466495U (en) | Liquid material storage tank and binder circuits | |
| CN210357165U (en) | Reaction unit for organic chemistry experiments | |
| CN219065425U (en) | Intelligent stirring grouting test device for cement emulsified asphalt | |
| CN208537371U (en) | The corrosive liquid temperature control equipment of liner structure accelerated corrosion test | |
| CN211988657U (en) | Insulating resin bypass reactor | |
| CN212370188U (en) | High-performance alkali-free liquid accelerator production equipment | |
| CN209983313U (en) | Automatic drinking water replacement anti-freezing device for livestock | |
| CN107054893A (en) | A kind of constant temperature intermediate receptacle of band stirring | |
| CN211041385U (en) | Inner container structure and vertical double-container water heater | |
| CN209068758U (en) | A kind of quick-heating type high-efficient heat pump water heater | |
| CN208606394U (en) | Interlayer oil tank high-frequency induction heating apparatus | |
| RU2745689C1 (en) | Installation for production of polymeric-bitumen binders | |
| CN216068068U (en) | Vehicle-mounted water tank heating device of concrete equipment | |
| CN205800822U (en) | A kind of heating system for electric vehicle | |
| CN206285882U (en) | A kind of use in waste water treatment mixing apparatus | |
| CN204063538U (en) | High temperature storage-type electric water heater | |
| CN218321240U (en) | Experimental heating device of pitch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |