CN219698329U

CN219698329U - Constant temperature controller

Info

Publication number: CN219698329U
Application number: CN202321108277.7U
Authority: CN
Inventors: 江浩; 聂伟; 陈尚博; 陈曦
Original assignee: WUHAN POWER3D TECHNOLOGY Ltd
Current assignee: WUHAN POWER3D TECHNOLOGY Ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-09-15
Anticipated expiration: 2033-05-10

Abstract

The utility model provides a constant temperature controller, which comprises a case, a heat exchange tube, a refrigerator and an air outlet pipe, wherein the case is provided with an air inlet and an air outlet; the heat exchange tube is arranged in the case and is provided with a first tube orifice and a second tube orifice, the first tube orifice corresponds to the air inlet, and the second tube orifice corresponds to the air outlet; the refrigerator is arranged in the case and is attached to the heat exchange tube; one end of the air outlet pipe is connected with and communicated with the second pipe orifice of the heat exchange pipe, and the other end of the air outlet pipe penetrates through the air outlet and extends out of the case; the heat exchange device also comprises air supply pipe fittings and fixing screws, wherein a plurality of air supply pipe fittings are arranged in the case in parallel, and the air supply pipe fittings are communicated with the first pipe orifice of the heat exchange pipe; the fixing screw rod penetrates through the pipe walls of the air supply pipe fittings and is fixedly connected with the heat exchange pipe. Through the arrangement of the structure, the controller can realize closed circulation refrigeration between the regulated equipment and the constant temperature controller; this can reduce the impurity in the gas, avoids impurity too much to influence the normal operating of equipment.

Description

Constant temperature controller

Technical Field

The utility model relates to the technical field of temperature control, in particular to a constant temperature controller.

Background

In industrial production processes, like some precision equipment, it is often necessary to ensure a constant temperature environment of use in order to avoid misalignment of the equipment due to temperature changes, such as some high-precision measurement equipment, and in particular to ensure a constant temperature condition. At present, the constant temperature control is carried out by adopting an air cooling direct blowing or water cooling mode, and the required constant temperature control modes are different for different equipment.

The utility model patent application with the prior application publication number of CN113847773A discloses a refrigeration unit and a refrigeration method and application thereof, wherein the refrigeration unit comprises a protection shell, a refrigeration component and an air outlet pipe, the refrigeration component is arranged inside the protection shell, the air outlet pipe is fixedly arranged on the surface of the protection shell and communicated with the inner side and the outer side of the protection shell, and the refrigeration component comprises: the air inlet device and the air outlet pipe are respectively connected and installed at the openings at the two ends of the cold storage pipe, the air inlet device pumps air flow into the cold storage pipe and is discharged from the air outlet pipe after heat exchange of the cold storage pipe, the plurality of refrigerating sheet arrays are installed on the surface of the cold storage pipe, and the air inlet device is mutually connected with the outer side of the protective shell through the protective shell.

According to the technical scheme, the air inlet device is arranged at the end part of the cold storage pipe and is sealed in the protective shell through the door plate, so that the air inlet device can only suck in outside air, equipment needing constant temperature regulation and control is supplied through the air outlet pipe after refrigeration, the air circulation environment of closed refrigeration cannot be realized, and the air is acquired from the outside in the refrigeration process, so that the air contains more impurities and is easy to influence the equipment needing constant temperature regulation and control.

Disclosure of Invention

In view of this, the utility model provides a constant temperature controller capable of exhausting air from the outside for refrigeration or performing circulation refrigeration, so as to solve the problem that the conventional constant temperature control equipment cannot realize circulation refrigeration.

The technical scheme of the utility model is realized as follows: the utility model provides a constant temperature controller, which comprises a case, a heat exchange tube, a refrigerator and an air outlet tube, wherein,

the chassis is of a hollow structure and is provided with an air inlet and an air outlet;

the heat exchange tube is arranged in the case and is provided with a first tube orifice and a second tube orifice, the first tube orifice corresponds to the air inlet, and the second tube orifice corresponds to the air outlet;

the refrigerator is arranged in the case and is attached to the heat exchange tube;

one end of the air outlet pipe is connected with and communicated with the second pipe orifice of the heat exchange pipe, and the other end of the air outlet pipe penetrates through the air outlet and extends out of the case;

also comprises an air supply pipe fitting and a fixed screw, wherein,

the air supply pipe fittings are arranged in the case in parallel, and are communicated with the first pipe orifice of the heat exchange pipe;

the fixed screw penetrates through the pipe walls of the air supply pipe fittings and is fixedly connected with the heat exchange pipe.

On the basis of the technical scheme, the air supply pipe piece is preferably an axial flow fan.

On the basis of the technical scheme, the outer diameter of the air supply pipe piece is preferably smaller than the diameter of the air inlet.

On the basis of the technical proposal, the utility model preferably also comprises a drainage component, wherein the drainage component comprises a three-way pipe, a drainage pipe and a water storage bucket,

one of the two nozzles with higher horizontal position is connected and communicated with the air outlet, and the other nozzle is connected and communicated with the air outlet pipe;

the drain pipe is connected with and communicated with the pipe orifice with the lowest horizontal position of the three-way pipe;

the water storage barrel is arranged in the case and corresponds to the drain pipe.

On the basis of the technical scheme, preferably, the drainage assembly further comprises a switch valve, wherein the switch valve is arranged on the three-way pipe and used for controlling the on-off of the three-way pipe and the drainage pipe.

On the basis of the technical proposal, the device preferably further comprises two partition boards and a controller, wherein the two partition boards are arranged in the case in a T shape, the hollow part of the case is divided into a first accommodating cavity, a second accommodating cavity and a third accommodating cavity, wherein,

the heat exchange tube and the refrigerator are arranged in the first accommodating cavity;

the air supply pipe fitting, the fixed screw and the water discharge assembly are arranged in the second accommodating cavity;

the controller is arranged in the third accommodating cavity and is electrically connected with the refrigerator and the air supply pipe piece.

On the basis of the technical scheme, the air vent grille is preferably arranged on the chassis, and the air vent grille is arranged corresponding to the second accommodating cavity and the third accommodating cavity.

On the basis of the technical scheme, preferably, the flow channel in the heat exchange tube is of a U-shaped structure, so that the first tube orifice and the second tube orifice are arranged in parallel.

On the basis of the above technical solution, preferably, the refrigerator includes a semiconductor refrigerating plate and a heat radiation fan, wherein,

the semiconductor refrigerating sheet is provided with a heat exchange tube attached to the cold surface;

and the heat dissipation fan is detachably connected with the heat exchange tube and is attached to the hot surface of the semiconductor refrigerating sheet.

On the basis of the technical proposal, the locking device preferably further comprises a locking frame, wherein the locking frame comprises a frame and a clamping block,

the frame is sleeved on the heat exchange tube; the clamping block is arranged on the frame;

the cooling fan is provided with a clamping groove, and the clamping block is clamped in the clamping groove.

Compared with the prior art, the constant temperature controller has the following beneficial effects:

(1) The first pipe orifice for air inlet of the heat exchange pipe is arranged in the case, and the first pipe orifice and the air supply pipe piece are connected in series and communicated through the fixed screw, so that the pipe orifice of the air supply pipe piece extends out of the case through increasing the number of the air supply pipe pieces, and the pipe orifice of the air supply pipe piece and the pipe orifice of the air outlet pipe are connected to equipment needing constant temperature regulation and control at the same time, so that closed circulation refrigeration between the regulated equipment and the constant temperature controller is realized; the impurity in the gas can be reduced, and the influence of excessive impurity on the normal operation of the equipment is avoided;

(2) The air supply pipe piece adopts an axial flow fan and mainly comprises a cylindrical shell, a motor and fan blades, so that the structure is simple, and the air supply pipe piece is convenient to connect in series and fix;

(3) The refrigerator consists of a semiconductor refrigerating sheet and a radiator fan, and the radiator fan is fixed on the heat exchange tube through being clamped with the locking frame, so that the refrigerator has the advantage of convenience in disassembly, assembly and replacement.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a thermostat controller of the present utility model;

FIG. 2 is a perspective view showing the internal structure of the thermostatic controller according to the present utility model;

FIG. 3 is a front view showing the internal structure of the thermostatic controller of the present utility model;

FIG. 4 is a diagram showing the structure of the point A in FIG. 3 according to the present utility model

FIG. 5 is a view showing an elongated structure of an air supply pipe member of the thermostatic controller according to the present utility model;

FIG. 6 is a diagram showing the connection structure of the air supply pipe, the three-way valve, the heat exchange pipe and the refrigerator of the thermostatic controller;

FIG. 7 is a diagram showing the structure of the air supply pipe fitting and the three-way valve of the thermostatic controller and the heat exchange pipe separation;

FIG. 8 is a block diagram of the point B of FIG. 7 in accordance with the present utility model;

FIG. 9 is a diagram of the internal structure of a cabinet of the thermostat controller of the present utility model;

in the figure: the air conditioner comprises a case 1, an air inlet 101, an air outlet 102, a first accommodating cavity 1a, a second accommodating cavity 1b, a third accommodating cavity 1c, a heat exchange tube 2, a first tube orifice 201, a second tube orifice 202, a refrigerator 3, a semiconductor refrigerating sheet 31, a heat radiation fan 32, a clamping groove 301, an air outlet tube 4, an air supply tube 5, a fixed screw 6, a drainage assembly 7, a three-way tube 71, a drainage tube 72, a water storage barrel 73, a switch valve 74, a partition plate 8, a controller 9, an air grid 10, a locking frame 11, a frame 111 and a clamping block 112.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

As shown in fig. 1 to 9, the thermostat controller of the present utility model includes a casing 1, a heat exchange tube 2, a refrigerator 3, an air outlet tube 4, an air supply tube 5, a fixing screw 6, a drain assembly 7, a partition 8, a controller 9, an air grill 10, and a lock frame 11.

Wherein, the case 1 is of a hollow structure, and the case 1 is provided with an air inlet 101 and an air outlet 102; the heat exchange tube 2 is arranged in the case 1, and the heat exchange tube 2 is provided with a first tube orifice 201 and a second tube orifice 202, wherein the first tube orifice 201 corresponds to the air inlet 101, and the second tube orifice 202 corresponds to the air outlet 102; the refrigerator 3 is arranged in the case 1, and the refrigerator 3 is attached to the heat exchange tube 2; one end of the air outlet pipe 4 is connected with and communicated with the second pipe orifice 202 of the heat exchange pipe 2, and the other end of the air outlet pipe passes through the air outlet 102 and extends out of the case 1;

the case 1 is used as a container for placing the above components, wherein the heat exchange tube 2 is used for gas circulation, gas enters the case 1 through the air inlet 101, then enters the heat exchange tube 2 through the first tube orifice 201, the refrigerator 3 is used for refrigeration to cool the gas in the heat exchange tube 2, the heat exchange tube 2 conveys the cooled gas to the air outlet tube 4, and then the air outlet tube 4 supplies the device requiring constant temperature regulation.

Specifically, as shown in fig. 8, the refrigerator 3 includes a semiconductor refrigeration sheet 31 and a heat radiation fan 32, wherein the semiconductor refrigeration sheet 31 and the cold surface are attached to the heat exchange tube 2; the heat radiation fan 32 is detachably connected with the heat exchange tube 2, and the heat radiation fan 32 is attached to the hot surface of the semiconductor refrigerating sheet 31.

In the above structure, when cooling, the semiconductor cooling fin 31 cools the heat exchange tube 2, and the heat on the hot surface of the semiconductor cooling fin 31 can be taken away by the cooling fan 32, so as to avoid the influence of overheating on the cooling effect.

Further, a locking frame 11 is arranged on the heat exchange tube 2, and the locking frame 11 comprises a frame 111 and a clamping block 112, wherein the frame 111 is sleeved on the heat exchange tube 2; a block 112 disposed on the frame 111; the cooling fan 32 is provided with a clamping groove 301, and the clamping block 112 is clamped in the clamping groove 301;

after the frame 111 is sleeved on the heat exchange tube 2, the heat dissipation fan 32 is clamped with the clamping block 112 on the frame 111, so that the convenience of installing the refrigerator 3 can be improved, and the assembly is convenient to split during subsequent maintenance.

In order to realize closed air cooling circulation of the constant temperature controller, an air supply pipe fitting 5 and a fixing screw 6 are arranged, as shown in fig. 3-5, wherein a plurality of air supply pipe fittings 5 are arranged in parallel in the case 1, and the air supply pipe fittings 5 are communicated with a first pipe orifice 201 of the heat exchange pipe 2; the fixed screw rods 6 penetrate through the pipe walls of the air supply pipe pieces 5 and are fixedly connected with the heat exchange pipes 2;

as shown in fig. 4, two air supply pipe members 5 are serially connected to the heat exchange pipe 2, and the air supply pipe members 5 are used for supplying air, and because the end portions of the air supply pipe members 5, which are far away from the heat exchange pipe 2, are located in the case 1, air flow can only enter the case 1 through the air inlet 101 at this time, and then enter the heat exchange pipe 2 through the air supply pipe members 5, in this state, open-loop constant temperature regulation is performed, namely air cooling air is obtained from the outside;

as shown in fig. 5, three air supply pipe members 5 are serially connected to the heat exchange pipe 2, so that the end portion of the air supply pipe member 5 away from the heat exchange pipe 2 is propped against the chassis 1 and still keeps a communication relation with the air inlet 101, at this time, the air inlet 101 is connected to an air outlet of equipment to be regulated and controlled at a constant temperature through a pipeline on one side outside the chassis 1, and then the air outlet pipe 4 is connected to the air inlet of the equipment to be regulated and controlled at a constant temperature, so that closed type circulating cooling is formed, the problem that equipment is damaged due to excessive impurities when air is obtained from the outside can be avoided, and the stability and safety of temperature regulation are improved;

when the number of the air supply pipe pieces 5 connected in series is changed, the fixing screw 6 with a proper length is selected for connecting the air supply pipe pieces 5 in series according to the lengths of the parallel air supply pipe pieces 5.

Preferably, the air supply pipe 5 adopts an axial flow fan, and mainly comprises a cylindrical shell, a motor and fan blades, so that the structure is simple, the series connection and fixation are convenient, and the application is convenient.

Further, the outer diameter of the air supply pipe 5 is smaller than the diameter of the air inlet 101. In this way, by connecting the air supply pipe members 5 in series, the air supply pipe members 5 can extend to the outside of the chassis 1 through the air inlet 101, and at this time, the air supply pipe members 5 can be directly connected with the air outlet of the equipment requiring constant temperature regulation and control, so as to improve the convenience of installation and application.

Further, the flow channel in the heat exchange tube 2 has a U-shaped structure, so that the first tube orifice 201 and the second tube orifice 202 are arranged in parallel. By means of the structure, the heat exchange tube 2 is conveniently connected to equipment needing constant temperature regulation in series, and convenience in pipeline arrangement can be further improved.

The inner wall of the pipeline for circulating gas is provided with condensed water when the refrigeration cycle is regulated and controlled at constant temperature, so that the drainage assembly 7 is arranged; specifically, as shown in fig. 2, the drainage assembly 7 includes a three-way pipe 71, a drainage pipe 72 and a water storage barrel 73, wherein one of two pipe orifices with higher horizontal positions of the three-way pipe 71 is connected and communicated with the air outlet 102, and the other pipe orifice is connected and communicated with the air outlet pipe 4; a drain pipe 72 connected to and penetrating the pipe orifice of the tee 71 at the lowest horizontal position; the water storage barrel 73 is arranged in the case 1, and the water storage barrel 73 is arranged corresponding to the drain pipe 72;

with the above structure, the condensed water generated in the heat exchange tube 2 flows into the three-way tube 71 and then flows into the water storage barrel 73 through the drain pipe 72, which can prevent the condensed water from entering the regulated equipment, and is beneficial to ensuring the safe operation of the equipment. This structure is mainly used for open-loop constant temperature control, and because the gas is obtained from the outside, the condensed water is more, and at this time, the three-way pipe 71 is required for drainage.

Further, the drainage assembly 7 further comprises a switch valve 74, wherein the switch valve 74 is arranged on the tee 71 and is used for controlling the on-off of the tee 71 and the drainage pipe 72;

in the above configuration, when the closed-loop constant temperature control is performed, since the gas is not changed all the time, the condensed water is little or no, and at this time, the drain pipe 72 is shut off by the on-off valve 74 to avoid leakage of the circulating gas.

As shown in fig. 3 and 9, in the present thermostatic controller, there are provided a partition plate 8 and a controller 9, the partition plate 8 is provided in two in the cabinet 1, the two partition plates 8 are arranged in a T shape, the hollow part of the cabinet 1 is divided into a first accommodating cavity 1a, a second accommodating cavity 1b and a third accommodating cavity 1c, wherein the heat exchange tube 2 and the refrigerator 3 are provided in the first accommodating cavity 1 a; the air supply pipe fitting 5, the fixed screw 6 and the drainage component 7 are arranged in the second accommodating cavity 1 b; the controller 9 is arranged in the third accommodating cavity 1c, and the controller 9 is electrically connected with the refrigerator 3 and the air supply pipe fitting 5.

According to the structure, the central control part of the chassis 1 is separated by the partition plate 8, so that the independent first accommodating cavity 1a, the second accommodating cavity 1b and the third accommodating cavity 1c are respectively used for installing different components, separation of gas, liquid and control parts can be realized, the problem of short circuit of the controller 9 is avoided, and the convenience of installation is also improved due to the overall modularized design.

Further, a plurality of ventilation grids 10 are provided on the chassis 1, and the ventilation grids 10 are provided corresponding to the second accommodating chamber 1b and the third accommodating chamber 1 c. The ventilation grille 10 can be used for ventilation of the second accommodating cavity 1b and the third accommodating cavity 1c, and the ventilation grille 10 is convenient for cooling by the controller when the ventilation grille is used for supplying air to the heat exchange tube 2 during constant temperature regulation and control of open loop refrigeration, and can be replaced by an air suction fan.

The specific implementation steps are as follows:

open-loop refrigeration is used for constant temperature regulation and control: external gas enters the case 1 through the air inlet 101, then the air is pumped into the heat exchange tube 2 through the first pipe orifice 201 by the air supply tube piece 5, the refrigerator 3 carries out refrigeration to cool the air in the heat exchange tube 2, then the air is output to the air outlet tube 4 through the second pipe orifice 202, and the cooled air is conveyed to equipment needing constant temperature regulation and control by the air outlet tube 4;

closed-loop refrigeration is used for constant temperature regulation and control: the air supply pipe pieces 5 are connected in series, so that one end of the air supply pipe piece 5, which is far away from the heat exchange pipe 2, is propped against the chassis 1 and penetrates through the air inlet 101, or the air supply pipe piece 5 is directly overlapped to extend out of the chassis 1, then an air outlet of equipment needing to be subjected to constant temperature regulation is communicated to the air inlet 101 or one end of the air supply pipe piece 5, which extends out of the chassis 1, is communicated with the air inlet of the equipment needing to be subjected to constant temperature regulation, and at the moment, the air closed refrigeration cycle can be realized, so that the constant temperature regulation is performed.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A constant temperature controller comprises a case (1), a heat exchange tube (2), a refrigerator (3) and an air outlet tube (4), wherein,

the machine case (1) is of a hollow structure, and the machine case (1) is provided with an air inlet (101) and an air outlet (102);

the heat exchange tube (2) is arranged in the case (1), the heat exchange tube (2) is provided with a first tube orifice (201) and a second tube orifice (202), the first tube orifice (201) corresponds to the air inlet (101), and the second tube orifice (202) corresponds to the air outlet (102);

the refrigerator (3) is arranged in the case (1), and the refrigerator (3) is attached to the heat exchange tube (2);

one end of the air outlet pipe (4) is connected with and communicated with the second pipe orifice (202) of the heat exchange pipe (2), and the other end of the air outlet pipe passes through the air outlet (102) and extends out of the case (1);

the method is characterized in that: also comprises an air supply pipe (5) and a fixed screw (6), wherein,

the air supply pipe pieces (5) are arranged in the case (1) in parallel, and the air supply pipe pieces (5) are communicated with a first pipe orifice (201) of the heat exchange pipe (2);

the fixing screw rods (6) penetrate through the pipe walls of the air supply pipe pieces (5) and are fixedly connected with the heat exchange pipes (2).

2. A thermostatic control as defined in claim 1, wherein: the air supply pipe (5) is an axial flow fan.

3. A thermostatic control as claimed in claim 2, wherein: the outer diameter of the air supply pipe (5) is smaller than the diameter of the air inlet (101).

4. A thermostatic control as claimed in claim 3, wherein: the water draining device also comprises a water draining assembly (7), wherein the water draining assembly (7) comprises a three-way pipe (71), a water draining pipe (72) and a water storage barrel (73), wherein,

one of two nozzles with higher horizontal positions of the three-way pipe (71) is connected with and communicated with the air outlet (102), and the other nozzle is connected with and communicated with the air outlet pipe (4);

the drain pipe (72) is connected with and penetrates through a pipe orifice of the three-way pipe (71) with the lowest horizontal position;

the water storage barrel (73) is arranged in the case (1), and the water storage barrel (73) is arranged corresponding to the drain pipe (72).

5. A thermostat controller as set forth in claim 4 wherein: the drainage assembly (7) further comprises a switch valve (74), and the switch valve (74) is arranged on the three-way pipe (71) and used for controlling the on-off of the three-way pipe (71) and the drainage pipe (72).

6. A thermostat controller as set forth in claim 4 wherein: the multifunctional intelligent cabinet also comprises two partition boards (8) and a controller (9), wherein the two partition boards (8) are arranged in the cabinet (1), the two partition boards (8) are distributed in a T shape, the hollow part of the cabinet (1) is divided into a first accommodating cavity (1 a), a second accommodating cavity (1 b) and a third accommodating cavity (1 c), wherein,

the heat exchange tube (2) and the refrigerator (3) are arranged in the first accommodating cavity (1 a);

the air supply pipe (5), the fixing screw (6) and the drainage component (7) are arranged in the second accommodating cavity (1 b);

the controller (9) is arranged in the third accommodating cavity (1 c), and the controller (9) is electrically connected with the refrigerator (3) and the air supply pipe piece (5).

7. A thermostat controller as set forth in claim 6 wherein: the novel cabinet also comprises a ventilation grating (10), wherein a plurality of ventilation gratings (10) are arranged on the cabinet (1), and the ventilation gratings (10) are arranged corresponding to the second accommodating cavity (1 b) and the third accommodating cavity (1 c).

8. A thermostatic control as claimed in any one of claims 1 to 7, wherein: the flow channel in the heat exchange tube (2) is of a U-shaped structure, so that the first tube orifice (201) and the second tube orifice (202) are arranged in parallel.

9. A thermostatic control as claimed in any one of claims 1 to 7, wherein: the refrigerator (3) comprises a semiconductor refrigerating sheet (31) and a heat radiation fan (32), wherein,

the semiconductor refrigerating sheet (31) is arranged with the cold surface attached to the heat exchange tube (2);

the heat radiation fan (32) is detachably connected with the heat exchange tube (2), and the heat radiation fan (32) is attached to the hot surface of the semiconductor refrigerating sheet (31).

10. A thermostatic control as defined in claim 9, wherein: also comprises a locking frame (11), wherein the locking frame (11) comprises a frame (111) and a clamping block (112),

the frame (111) is sleeved on the heat exchange tube (2);

the clamping block (112) is arranged on the frame (111);

a clamping groove (301) is formed in the cooling fan (32), and the clamping block (112) is clamped in the clamping groove (301).