Micro-channel evaporator with double liquid supply pipes

Abstract

The utility model relates to the technical field of micro-channel evaporators, and discloses a micro-channel evaporator with double liquid supply pipes, which comprises an adjusting mechanism, and a dust cleaning mechanism is arranged on the back of the adjusting mechanism; the adjusting mechanism comprises a micro-channel evaporator body, a buffer box is arranged on the right side of the micro-channel evaporator body, two electric valves are fixedly connected to the left side of the buffer box, flow monitors are fixedly connected to the left sides of the two electric valves, a first liquid supply pipe is fixedly connected to the left side of one flow monitor, and a second liquid supply pipe is fixedly connected to the right side of the other flow monitor. The left side of the other flow monitor is fixedly connected with a second liquid supply pipe, and the left side of the first liquid supply pipe and the left side of the second liquid supply pipe are fixedly connected with the same micro-channel evaporator body. According to the micro-channel evaporator with the double liquid supply pipes, when the temperature sensor on the micro-channel evaporator body is abnormal in temperature, the flow of the electric valve is automatically adjusted, and the problem of abnormal temperature is delayed by reducing or increasing condensate water of the liquid supply pipes.

Description

TECHNICAL FIELD

[0001] The utility model relates to microchannel evaporator technical field, concretely is a kind of microchannel evaporator with double liquid supply pipe. BACKGROUND

[0002] Microchannel evaporator refers to the channel structure with flow passage cross-sectional dimension below 100 microns and height-width ratio above 10. It is manufactured by microfabrication technology, and the width, depth and length reach sub-millimeter level. This structure makes microchannel evaporator have greater specific surface area and higher heat transfer performance.

[0003] Chinese patent authorized announcement No. CN208871918U discloses a kind of microchannel evaporator with double liquid supply pipe, including first main header and second main header;The opposite side of the first main header and second main header is connected by multiple flat tubes;Second main header is provided with the distribution baffle of horizontal distribution in it, and the distribution baffle divides the second main header into inlet header and outlet header;Inlet header is provided with the liquid distribution baffle of horizontal distribution in it, and the liquid distribution baffle divides the inlet header into upper cavity and lower cavity;The upper part of the right side of inlet header is connected with upper liquid supply pipe, and the lower part of the right side of inlet header is connected with lower liquid supply pipe.The microchannel evaporator with double liquid supply pipe disclosed in the utility model can effectively improve the uniformity of refrigerant distribution in inlet header, improve the heat exchange effect of microchannel evaporator, and has great production practical significance.

[0004] However, the operation of the above-mentioned device accelerates the supply of condensed water, and excessive accumulation of condensed water can cause frosting inside the evaporator. However, reducing the flow of the liquid supply pipe can also cause the temperature to be too high, thereby affecting the heat exchange performance. Therefore, there is an urgent need for a microchannel evaporator with double liquid supply pipe. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a microchannel evaporator with double liquid supply pipe to solve the problems raised in the above background technology.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a microchannel evaporator with double liquid supply pipe, comprising an adjusting mechanism, and a dust removal mechanism is arranged on the back of the adjusting mechanism.

[0007] The adjusting mechanism comprises a micro-channel evaporator body, the right side of the micro-channel evaporator body is provided with a buffer tank, the left side of the buffer tank is fixedly connected with two electric valves, the left side of each of the two electric valves is fixedly connected with a flow monitor, the left side of one flow monitor is fixedly connected with a first liquid supply pipe, the left side of the other flow monitor is fixedly connected with a second liquid supply pipe, and the left side of the first liquid supply pipe and the second liquid supply pipe is fixedly connected with the same micro-channel evaporator body.

[0008] Preferably, the top of each of the two flow monitors is fixedly connected with a display screen, the front of the buffer tank is fixedly connected with an alarm, and the front of the micro-channel evaporator body is fixedly connected with a plurality of temperature sensors.

[0009] When the temperature sensor on the micro-channel evaporator body has an abnormal temperature, such as being too low or too high, the alarm will send a warning to the staff.

[0010] Preferably, the right side of the buffer tank is fixedly connected with a liquid supply pipe, the inside of the buffer tank is provided with a liquid level sensor, and the front of the liquid level sensor is fixedly penetrated into the inside of the buffer tank and extends to the front.

[0011] When the speed of the two liquid supply pipes inputting condensed water is greater than the speed of the liquid supply pipe inputting condensed water to the buffer tank, the condensed water level height is continuously reduced, and when the condensed water level height is lower than the liquid level sensor, the alarm of the liquid level sensor is triggered to warn the staff through the alarm.

[0012] Preferably, the dust cleaning mechanism comprises a support frame, a fan is installed in the inside of the support frame, the back of the fan is fixedly connected with an air pipe, and the output port of the air pipe is fixedly connected with an air outlet plate.

[0013] The fan is fixed by the support frame, and the cold air is blown out from the air outlet plate through the air pipe to clean the dust.

[0014] Preferably, the inside of the air outlet plate is provided with an air outlet, a wind leakage plate is installed in the air outlet, and the inside of the wind leakage plate is provided with a plurality of air leakage holes.

[0015] Preferably, the left side of the air outlet plate is fixedly connected with a moving block, a threaded rod is screwedly connected in the inside of the moving block, two round holes are formed in the inside of the moving block, a fixed rod is movably connected in each of the two round holes, and the top of the threaded rod is fixedly connected with a motor.

[0016] Preferably, the bottom of the motor is fixedly connected with a top plate, the bottom of the top plate is fixedly connected with the fixed rods, the bottoms of the two fixed rods are fixedly connected with the same bottom plate, and the top of the threaded rod is movably penetrated into the inside of the top plate and extends to the top thereof.

[0017] Compared with the prior art, the utility model has the beneficial effects that

[0018] First, the utility model discloses a buffer tank stores condensate water, and two electric valves on the left side are used to control the condensate water to flow into the microchannel evaporator body through the flow monitor from the first liquid supply pipe and the second liquid supply pipe, so that the microchannel evaporator body can work, and the display screen can be used to monitor the water supply of the two pipes in real time, when the temperature sensor on the microchannel evaporator body shows abnormal temperature, such as too low or too high, the alarm can send a warning to the staff, and the flow of the electric valve can be automatically adjusted, so that the problem of abnormal temperature can be temporarily solved by reducing or increasing the condensate water in the first liquid supply pipe or the second liquid supply pipe, and the liquid level sensor in the buffer tank can be used to monitor the height of the condensate water in the buffer tank in real time, when the speed of the condensate water input by the two liquid supply pipes is greater than the speed of the condensate water input by the liquid supply pipe to the buffer tank, the height of the condensate water level is continuously reduced, and the alarm of the liquid level sensor can be triggered when the height of the condensate water level is lower than the liquid level sensor, so that the staff can be warned by the alarm.

[0019] Second, the utility model discloses a support frame for fixing the fan, and the cold air can be blown out from the air outlet plate through the air pipe, the air outlet plate is provided with a plurality of air outlet openings, and the air pressure can be increased by extruding the air outlet openings, so that the air flow is faster, the dust attached to the microchannel evaporator body can be cleaned, the heat exchange of the microchannel evaporator body can be avoided, the position of the air outlet plate can be moved up and down by the motor, the moving block and the threaded rod, the working cost can be reduced, when the temperature sensor sends a high-temperature alarm, the air outlet plate can be automatically moved to the position of the alarm to dissipate heat, the heat exchange of the microchannel evaporator body can be assisted, and the damage time can be temporarily delayed, so that the staff can be given time to rush to the scene. ACCURACY OF DRAWINGS

[0020] Figure 1 It is a whole three-dimensional schematic view of the utility model structure;

[0021] Figure 2 It is a three-dimensional schematic view of the adjusting mechanism of the utility model structure;

[0022] Figure 3 It is a disassembled schematic view of the adjusting mechanism of the utility model structure;

[0023] Figure 4 It is a three-dimensional schematic view of the dust cleaning mechanism of the utility model structure.

[0024] Wherein: 1, adjusting mechanism; 2, dust cleaning mechanism; 101, microchannel evaporator body; 102, buffer tank; 103, electric valve; 104, flow monitor; 105, display screen; 106, first liquid supply pipe; 107, second liquid supply pipe; 108, alarm; 109, infusion tube; 110, liquid level sensor; 111, temperature sensor; 201, support frame; 202, fan; 203, air pipe; 204, air outlet plate; 205, air outlet plate; 206, bottom plate; 207, moving block; 208, threaded rod; 209, top plate; 210, motor; 211, fixed rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] The utility model provides the following technical scheme:

[0027] Embodiment one

[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 A microchannel evaporator with double liquid supply pipes, comprising an adjusting mechanism 1, the back of the adjusting mechanism 1 is provided with a dust cleaning mechanism 2.

[0029] The adjusting mechanism 1 comprises a microchannel evaporator body 101, the right side of the microchannel evaporator body 101 is provided with a buffer tank 102, the left side of the buffer tank 102 is fixedly connected with two electric valves 103, the left side of the two electric valves 103 is fixedly connected with a flow monitor 104, the left side of one flow monitor 104 is fixedly connected with a first liquid supply pipe 106, the left side of another flow monitor 104 is fixedly connected with a second liquid supply pipe 107, and the left side of the first liquid supply pipe 106 and the second liquid supply pipe 107 is fixedly connected with the same microchannel evaporator body 101.

[0030] The top of the two flow monitors 104 is fixedly connected with a display screen 105, the front of the buffer tank 102 is fixedly connected with an alarm 108, and the front of the microchannel evaporator body 101 is fixedly connected with a plurality of temperature sensors 111.

[0031] The right side of the buffer tank 102 is fixedly connected with an infusion tube 109, the inside of the buffer tank 102 is provided with a liquid level sensor 110, and the front of the liquid level sensor 110 is fixedly connected with the inside of the buffer tank 102 and extends to the front.

[0032] Through the above technical scheme, the condensed water is stored in the buffer tank 102, the condensed water is input into the micro-channel evaporator body 101 from the first liquid supply pipe 106 and the second liquid supply pipe 107 through the flow monitor 104 by controlling the two electric valves 103 on the left side, work is performed, the water supply conditions of the two pipes can be monitored in real time through the display screen 105, when the temperature sensor 111 on the micro-channel evaporator body 101 appears temperature abnormality, such as too low or too high, the alarm 108 is used to warn the staff, and the flow of the electric valve 103 is automatically adjusted, and the problem of temperature abnormality is temporarily suspended by reducing or increasing the condensed water of the first liquid supply pipe 106 or the second liquid supply pipe 107, the condensed water height in the buffer tank 102 is monitored in real time by the liquid level sensor 110 inside the buffer tank 102, when the input speed of the condensed water of the two liquid supply pipes is greater than the input speed of the condensed water of the liquid supply pipe 109 to the buffer tank 102, the condensed water level height is continuously reduced, and when the condensed water level height is lower than the liquid level sensor 110, the alarm of the liquid level sensor 110 is triggered, and the alarm 108 is used to warn the staff.

[0033] Embodiment two

[0034] Please refer to Figure 4 On the basis of embodiment one, further obtained: the dust removal mechanism 2 comprises a support frame 201, a fan 202 is installed inside the support frame 201, a wind pipe 203 is fixedly connected to the back of the fan 202, and an air outlet plate 204 is fixedly connected to the output port of the wind pipe 203.

[0035] The air outlet plate 204 is internally provided with an air outlet, and the air outlet is provided with a wind leakage plate 205.

[0036] The air outlet plate 204 is fixedly connected with a moving block 207 on the left side, a threaded rod 208 is threadedly connected inside the moving block 207, two circular holes are formed in the moving block 207, fixed rods 211 are movably connected in the two circular holes, and a motor 210 is fixedly connected to the top of the threaded rod 208.

[0037] The bottom of the motor 210 is fixedly connected with a top plate 209, the bottom of the top plate 209 is fixedly connected with the fixed rods 211, the bottoms of the two fixed rods 211 are fixedly connected with the same bottom plate 206, and the top of the threaded rod 208 movably penetrates the inside of the top plate 209 and extends to the top thereof.

[0038] Through the technical scheme, the fan 202 is fixed by the support frame 201, cold air is blown out from the air outlet plate 204 by the air pipe 203, the air outlet plate 205 installed at the air outlet is used, the wind pressure is increased by extrusion of a plurality of air outlets, the air flow of the air outlet is faster, dust attached to the micro-channel evaporator body 101 is cleaned, the dust does not affect heat exchange of the micro-channel evaporator body 101, the position of the air outlet plate 204 can be moved up and down by the motor 210 driving the threaded rod 208 and the moving block 207, work cost is reduced, when the high-temperature alarm is initiated by the temperature sensor 111, the air outlet plate 204 is automatically moved to the position of the corresponding alarm 108 to perform heat dissipation, heat exchange of the micro-channel evaporator body 101 is assisted, damage time is postponed, and time for staff to arrive is gained.

[0039] In actual operation, when the device is in use, the condensate is stored in the buffer tank 102, the condensate is input into the micro-channel evaporator body 101 from the first liquid supply pipe 106 and the second liquid supply pipe 107 through the flow monitor 104 by the two electric valves 103 on the left, work is performed, water supply of the two pipes can be monitored in real time through the display screen 105, when the temperature sensor 111 on the micro-channel evaporator body 101 has temperature abnormality, such as too low or too high, an alarm is initiated to staff through the alarm 108, and the flow of the electric valve 103 is automatically adjusted to attempt to postpone the temperature abnormality by reducing or increasing the condensate of the first liquid supply pipe 106 or the second liquid supply pipe 107, the condensate height in the buffer tank 102 is monitored in real time by the liquid level sensor 110 in the buffer tank 102, when the input speed of the two liquid supply pipes to the condensate is greater than the input speed of the liquid supply pipe 109 to the condensate in the buffer tank 102, the condensate level height is continuously reduced, and the alarm of the liquid level sensor 110 is triggered when the condensate level height is lower than the liquid level sensor 110, staff is warned by the alarm 108. The fan 202 is fixed by the support frame 201, cold air is blown out from the air outlet plate 204 by the air pipe 203, the air outlet plate 205 installed at the air outlet is used, the wind pressure is increased by extrusion of a plurality of air outlets, the air flow of the air outlet is faster, dust attached to the micro-channel evaporator body 101 is cleaned, the dust does not affect heat exchange of the micro-channel evaporator body 101, the position of the air outlet plate 204 can be moved up and down by the motor 210 driving the threaded rod 208 and the moving block 207, work cost is reduced, when the high-temperature alarm is initiated by the temperature sensor 111, the air outlet plate 204 is automatically moved to the position of the corresponding alarm 108 to perform heat dissipation, heat exchange of the micro-channel evaporator body 101 is assisted, damage time is postponed, and time for staff to arrive is gained.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A microchannel evaporator with dual liquid feed tubes comprising a regulating mechanism (1), characterized in that: The back of the adjusting mechanism (1) is provided with a dust removal mechanism (2); The adjusting mechanism (1) comprises a micro-channel evaporator body (101), the right side of the micro-channel evaporator body (101) is provided with a buffer tank (102), the left side of the buffer tank (102) is fixedly connected with two electric valves (103), the left side of each of the two electric valves (103) is fixedly connected with a flow monitor (104), the left side of one flow monitor (104) is fixedly connected with a first liquid supply pipe (106), the left side of the other flow monitor (104) is fixedly connected with a second liquid supply pipe (107), and the left side of each of the first liquid supply pipe (106) and the second liquid supply pipe (107) is fixedly connected with the same micro-channel evaporator body (101).

2. The microchannel evaporator with dual liquid feed tubes of claim 1, wherein: The top of each of the two flow monitors (104) is fixedly connected with a display screen (105), the front of the buffer tank (102) is fixedly connected with an alarm (108), and the front of the micro-channel evaporator body (101) is fixedly connected with a plurality of temperature sensors (111).

3. The microchannel evaporator with dual liquid feed tubes of claim 1, wherein: The right side of the buffer tank (102) is fixedly connected with a liquid supply pipe (109), the inside of the buffer tank (102) is provided with a liquid level sensor (110), and the front of the liquid level sensor (110) is fixedly penetrated into the inside of the buffer tank (102) and extends to the front.

4. The microchannel evaporator with dual liquid feed tubes of claim 1, wherein: The dust removal mechanism (2) comprises a support frame (201), the inside of the support frame (201) is mounted with a fan (202), the back of the fan (202) is fixedly connected with an air pipe (203), and the outlet of the air pipe (203) is fixedly connected with an air outlet plate (204).

5. The microchannel evaporator with dual liquid feeders of claim 4, wherein: The inside of the air outlet plate (204) is provided with an air outlet, and the air outlet is mounted with a wind leakage plate (205).

6. The microchannel evaporator with dual liquid feed tubes of claim 4 wherein: The left side of the air outlet plate (204) is fixedly connected with a moving block (207), the inside of the moving block (207) is screw-connected with a threaded rod (208), the inside of the moving block (207) is provided with two circular holes, each of the two circular holes is movably connected with a fixing rod (211), and the top of the threaded rod (208) is fixedly connected with a motor (210).

7. The microchannel evaporator with dual liquid feed tubes of claim 6 wherein: The bottom of the motor (210) is fixedly connected with a top plate (209), the bottom of the top plate (209) is fixedly connected with the fixing rod (211), the bottom of each of the two fixing rods (211) is fixedly connected with the same bottom plate (206), the top of the threaded rod (208) is movably penetrated into the inside of the top plate (209) and extends to the top of the top plate (209).

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