Evaporator

Abstract

The utility model discloses an evaporator which comprises a main liquid inlet pipe and at least one evaporating pipe, at least one liquid outlet is formed in the main liquid inlet pipe, and a throttling device is arranged at the liquid outlet. The liquid inlet end of the evaporation pipe is connected with a liquid outlet of the throttling device, and the tail end of the evaporation pipe is connected with the main air return pipe. According to the evaporator disclosed by the utility model, the structure of the evaporator is optimized, a plurality of evaporation pipes are arranged on one side of the main liquid inlet pipe, and an independent throttling device is arranged on each evaporation pipe, so that a medium in each evaporation pipe can be accurately controlled, and the working efficiency of the evaporator is effectively ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of refrigeration, and particularly relates to an evaporator, and more particularly to an evaporator with on-demand distribution and precise control. Background Art

[0002] Most of the existing evaporators are equipped with a liquid distributor and a throttling device on the main liquid inlet pipe, and the medium in the main liquid inlet pipe is distributed through the cooperation of the two. Such a structure is prone to uneven distribution in actual use due to factors such as unreasonable design of the liquid distributor head, uneven wind speed of each branch of the evaporator, and unreasonable evaporator branching being affected too much by gravity, which makes it impossible to accurately control the medium and affects its evaporation effect.

[0003] At the same time, after long-term use, refrigerant oil and the like will coat the inner wall of the pipe, affecting its exchange efficiency, so the existing evaporator needs to be improved. Utility Model Content

[0004] Purpose of the utility model: In order to overcome the above shortcomings, the purpose of the utility model is to provide an evaporator with a simple structure, reasonable design, and easy production. Its structure is optimized by arranging multiple evaporation tubes on one side of the main liquid inlet pipe and arranging independent throttling devices between each evaporation tube and the main liquid inlet pipe, so that the medium in each evaporation tube can be accurately controlled.

[0005] Technical solution: In order to achieve the above-mentioned purpose, the utility model provides an evaporator, comprising: a main liquid inlet pipe, on which at least one branch liquid inlet pipe is provided, and the branch liquid inlet pipe is connected to a throttling device;

[0006] At least one evaporating tube, the liquid inlet end of the evaporating tube is connected to the liquid outlet of the throttling device, and the end of the evaporating tube is connected to the main return air pipe.

[0007] The utility model discloses an evaporator, the structure of which is optimized. By arranging a plurality of evaporation tubes on one side of a total liquid inlet pipe and arranging an independent throttling device on each evaporation tube, the medium in each evaporation tube can be accurately controlled, thereby effectively ensuring the working efficiency of the evaporator.

[0008] The evaporator further includes a detection device, which includes a set of temperature sensors and pressure sensors. The temperature sensor is installed at one end of the evaporating tube close to the main return air pipe, and the pressure sensor is installed on the main return air pipe. The temperature sensor, pressure sensor and throttling device are all connected to the control device. The temperature sensor can detect the temperature on each evaporating tube, and combined with the detection data of the pressure sensor, the control device can control the throttling device according to the detection data, and realize on-demand allocation through precise control, so as to achieve the maximum efficiency of the evaporator.

[0009] The evaporator further comprises a filter device, which is arranged at the inlet of the main liquid inlet pipe. The filter device can filter the medium entering the main liquid inlet pipe to reduce impurities in the medium.

[0010] The evaporator also includes a shell and at least one fan. The shell is provided with at least one through hole. The fan is arranged at the through hole and fixed to the shell through a mounting bracket. A cavity is provided on one side of the shell. The main liquid inlet pipe and the main air return pipe are installed in the cavity.

[0011] Furthermore, the portion of the evaporation tube located inside the shell is arranged in a spiral shape, and an electric heating tube is arranged between the spiral shapes of the evaporation tube.

[0012] Preferably, a group of fins is provided in the shell, the evaporating tube and the electric heating tube are inserted into the fins, and an air outlet is provided on the other side of the shell opposite to the fan, and the air outlet is provided with an air guide vane.

[0013] It can be seen from the above technical solution that the utility model has the following beneficial effects:

[0014] 1. The structure of the evaporator described in the utility model is optimized. By arranging multiple evaporation tubes on one side of the main liquid inlet pipe and arranging an independent throttling device on each evaporation tube, the medium in each evaporation tube can be accurately controlled, thereby effectively ensuring the working efficiency of the evaporator.

[0015] 2. In addition, each evaporator tube can be cleaned one by one, which can effectively solve the problem of refrigeration oil and the like covering the inner wall of the pipe, affecting its exchange efficiency.

[0016] 3. The temperature sensor in the utility model can detect the temperature on each evaporating tube, and combined with the detection data of the pressure sensor, the control device can control the throttling device according to the detected data, and realize on-demand distribution through precise control, thereby achieving the maximum efficiency of the evaporator.

[0017] 4. The setting of the filtering device can filter the medium entering the main liquid inlet pipe and reduce the impurities in the medium. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the evaporator described in the utility model;

[0019] Figure 2 This is a front view of the installation of the fins and evaporation tubes in the utility model;

[0020] Figure 3 This is a schematic diagram of the installation of the filter device in the utility model;

[0021] Figure 4 It is a structural schematic diagram of a further improved evaporator in the utility model;

[0022] Figure 5 This is a schematic diagram of electrical connection between the detection device and the control device in the utility model;

[0023] In the figure: a main liquid inlet pipe 1, an evaporating pipe 2, a main air return pipe 3, a throttling device 4, a temperature sensor 5, a pressure sensor 6, a filtering device 7, a housing 8, a fan 9, an electric heating tube 10, and a fin 12. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. Example

[0025] As shown in the figure, an evaporator comprises: a main liquid inlet pipe 1, on which at least one branch liquid inlet pipe 11 is provided, and the branch liquid inlet pipe 11 is connected to a throttling device 4;

[0026] At least one evaporation tube 2 , the liquid inlet end of the evaporation tube 2 is connected to the liquid outlet of the throttling device 4 , and the end of the evaporation tube 2 is connected to the main return air pipe 3 .

[0027] It should be noted that the number of the evaporation tubes 2 can be adjusted according to actual needs. It is conceivable that the throttling device 4 can be an electronic expansion valve or other throttling devices that can meet the adjustment needs.

[0028] This embodiment further includes a housing 8 and at least one fan 9, wherein the housing 8 is provided with at least one through hole, the fan 9 is provided at the through hole and is fixed to the housing 8 via a mounting bracket, and a cavity is provided on one side of the housing 8, wherein the main liquid inlet pipe 1 and the main air return pipe 3 are installed in the cavity. It is conceivable that the number of fans 9 can be selected according to actual needs.

[0029] The portion of the evaporation tube 2 located in the shell 8 is arranged in a spiral shape, and an electric heating tube 10 is arranged between the spiral shapes of the evaporation tube 2 .

[0030] A group of fins 12 is disposed in the shell 8, and the evaporation tube 2 and the electric heating tube 10 are inserted into the fins 12. An air outlet is disposed on the other side of the shell 8 opposite to the fan 9, and the air outlet is provided with an air guide vane.

[0031] Example 2

[0032] like Figures 1 to 2 and Figure 5 An evaporator shown includes: a main liquid inlet pipe 1, on which at least one branch liquid inlet pipe 11 is provided, and the branch liquid inlet pipe 11 is connected to a throttling device 4;

[0033] At least one evaporation tube 2 , the liquid inlet end of the evaporation tube 2 is connected to the liquid outlet of the throttling device 4 , and the end of the evaporation tube 2 is connected to the main return air pipe 3 .

[0034] It should be noted that the number of the evaporation tubes 2 can be adjusted according to actual needs.

[0035] It also includes a detection device, which includes a group of temperature sensors 5 and pressure sensors 6. The temperature sensor 5 is installed at one end of the evaporator tube 2 close to the main return air pipe 3, and the pressure sensor 6 is arranged on the main return air pipe 3. The temperature sensor 5, the pressure sensor 6 and the throttling device 4 are all connected to the control device.

[0036] This embodiment also includes a shell 8 and at least one fan 9. The shell 8 is provided with at least one through hole. The fan 9 is arranged at the through hole and is fixed to the shell 8 through a mounting bracket. A cavity is provided on one side of the shell 8, and the main liquid inlet pipe 1 and the main air return pipe 3 are installed in the cavity.

[0037] The portion of the evaporation tube 2 located in the shell 8 is arranged in a spiral shape, and an electric heating tube 10 is arranged between the spiral shapes of the evaporation tube 2 .

[0038] like Figure 2 A group of fins 12 are arranged in the shell 8 shown, and the evaporation tube 2 and the electric heating tube 10 are inserted into the fins 12 .

[0039] Example 3

[0040] As shown in the figure, an evaporator comprises: a main liquid inlet pipe 1, on which at least one branch liquid inlet pipe 11 is provided, and the branch liquid inlet pipe 11 is connected to a throttling device 4;

[0041] At least one evaporation tube 2, the liquid inlet end of the evaporation tube 2 is connected to the liquid outlet of the throttling device 4, and the end of the evaporation tube 2 is connected to the main return air pipe 3. It should be noted that the number of the evaporation tubes 2 can be adjusted according to actual needs.

[0042] like Figure 3 As shown, it also includes a filtering device 7, which is arranged at the inlet of the main liquid inlet pipe 1.

[0043] This embodiment also includes a shell 8 and at least one fan 9. The shell 8 is provided with at least one through hole. The fan 9 is arranged at the through hole and is fixed to the shell 8 through a mounting bracket. A cavity is provided on one side of the shell 8, and the main liquid inlet pipe 1 and the main air return pipe 3 are installed in the cavity.

[0044] The portion of the evaporation tube 2 located in the shell 8 is arranged in a spiral shape, and an electric heating tube 10 is arranged between the spiral shapes of the evaporation tube 2 .

[0045] A group of fins 12 are disposed in the shell 8 , and the evaporation tube 2 and the electric heating tube 10 are inserted into the fins 12 .

[0046] Example 4

[0047] like Figures 1 to 5 An evaporator shown includes: a main liquid inlet pipe 1, on which at least one branch liquid inlet pipe 11 is provided, and the branch liquid inlet pipe 11 is connected to a throttling device 4;

[0048] At least one evaporation tube 2, the liquid inlet end of the evaporation tube 2 is connected to the liquid outlet of the throttling device 4, and the end of the evaporation tube 2 is connected to the main return air pipe 3;

[0049] It also includes a detection device and a filtering device 7, the detection device includes a group of temperature sensors 5 and pressure sensors 6, the temperature sensor 5 is installed at one end of the evaporating tube 2 close to the main return air pipe 3, the pressure sensor 6 is arranged on the main return air pipe 3, and the temperature sensor 5, the pressure sensor 6 and the throttling device 4 are all connected to the control device; the filtering device 7 is arranged at the inlet of the main liquid inlet pipe 1.

[0050] It should be noted that the number of the evaporation tubes 2 can be adjusted according to actual needs.

[0051] This embodiment also includes a shell 8 and at least one fan 9. The shell 8 is provided with at least one through hole. The fan 9 is arranged at the through hole and is fixed to the shell 8 through a mounting bracket. A cavity is provided on one side of the shell 8, and the main liquid inlet pipe 1 and the main air return pipe 3 are installed in the cavity.

[0052] The portion of the evaporation tube 2 located in the shell 8 is arranged in a spiral shape, and an electric heating tube 10 is arranged between the spiral shapes of the evaporation tube 2 .

[0053] A group of fins 12 are disposed in the shell 8 , and the evaporation tube 2 and the electric heating tube 10 are inserted into the fins 12 .

[0054] The working principle of an evaporator described in this embodiment is as follows:

[0055] Start working, open the throttling devices 4 connected to the evaporation tubes 2 one by one, and clean the evaporation tubes 2 one by one;

[0056] The condensed medium enters the main liquid inlet pipe 1 after being filtered by the filter device 7. The throttling device 4 controls the flow rate of the medium in each evaporation tube 2. During the working process, the temperature sensor 5 and the pressure sensor 6 monitor the data in real time. The monitored data is sent to the data processing module of the control device. The data processing module will analyze the received data and transmit the analysis results to the controller. The controller will adjust the throttling device 4 according to the received information, thereby adjusting the medium in the evaporation tube 2.

[0057] It should be noted that the flushing process of the evaporation tube is not required every time work is performed, and it can be used selectively according to the usage situation.

[0058] The above is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements without departing from the principle of the present invention, and these improvements should also be regarded as within the protection scope of the present invention.

Claims

1. An evaporator, characterized in that: include: A main liquid inlet pipe (1), wherein the main liquid inlet pipe (1) is provided with at least one branch liquid inlet pipe (11), and the branch liquid inlet pipe (11) is connected to the throttling device (4); At least one evaporating tube (2), wherein the liquid inlet end of the evaporating tube (2) is connected to the liquid outlet of the throttling device (4), and the end of the evaporating tube (2) is connected to the main air return pipe (3).

2. The evaporator according to claim 1, characterized in that: The device also includes a detection device, the detection device including a group of temperature sensors (5) and pressure sensors (6), the temperature sensor (5) being installed at one end of the evaporating tube (2) close to the main air return tube (3), the pressure sensor (6) being arranged on the main air return tube (3), and the temperature sensor (5), the pressure sensor (6) and the throttling device (4) being connected to the control device.

3. The evaporator according to claim 1, characterized in that: It also comprises a filtering device (7), wherein the filtering device (7) is arranged at the inlet of the main liquid inlet pipe (1).

4. The evaporator according to claim 1, characterized in that: It also comprises a housing (8) and at least one fan (9), wherein the housing (8) is provided with at least one through-hole, the fan (9) is arranged at the through-hole and is fixed to the housing (8) via a mounting bracket, and a cavity is provided on one side of the housing (8), and the main liquid inlet pipe (1) and the main air return pipe (3) are installed in the cavity.

5. The evaporator according to claim 4, characterized in that: The portion of the evaporation tube (2) located inside the shell (8) is arranged in a spiral shape, and an electric heating tube (10) is arranged between the spiral shapes of the evaporation tube (2).

6. The evaporator according to claim 4, characterized in that: A group of fins (12) is provided in the shell (8), the evaporating tube (2) and the electric heating tube (10) are inserted into the fins (12), and an air outlet is provided on the other side of the shell (8) opposite to the fan (9), and the air outlet is provided with an air guide plate.

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