CN211575664U

CN211575664U - Refrigeration plant defroster

Info

Publication number: CN211575664U
Application number: CN201922489078.5U
Authority: CN
Inventors: 杜付桂; 王姣姣; 杨晓腾; 杜杭洲; 张振东; 王振硕; 刘延孝
Original assignee: Shandong Excellent Refrigeration Equipment Co ltd
Current assignee: Shandong Excellent Refrigeration Equipment Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-25
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a defrosting device of refrigeration equipment, which comprises a device shell, wherein a front-back movement module is fixedly arranged on the lower bottom surface inside the device shell, the front-back movement module comprises a driving motor, a sliding block and a lead screw, and the sliding block can reciprocate back and forth under the driving of the driving motor; an up-down movement module is fixedly arranged above the first sliding block, a fan is arranged on the up-down movement module, and the up-down movement module drives the fan to reciprocate up and down; at least one surface of the device shell is provided with a defrosting through hole, an electric heating plate is arranged on the inner side of the defrosting through hole, and air blown out by the fan forms hot air through the electric heating plate and the defrosting through hole to defrost a plurality of surfaces of the refrigeration equipment simultaneously; the device also comprises a temperature sensor and a controller, wherein the temperature sensor is electrically connected with the controller, detects the temperature of the defrosting surface, and automatically controls the working process of the device through the controller. The device has the advantages of large defrosting range, high efficiency, good reliability, high automation degree and strong practicability.

Description

Refrigeration plant defroster

Technical Field

The utility model relates to a refrigeration plant technical field specifically is a refrigeration plant defroster.

Background

The known refrigeration devices are provided with a refrigerating unit, and the working principle of the refrigerating unit is that refrigerant gas compressed to high temperature and high pressure is cooled and expanded to realize refrigeration. After a period of refrigeration, the evaporator and the refrigeration equipment become full of frost, and the defrosting needs to be stopped or a special defroster is adopted.

The defrosting fan is generally arranged on the defroster and used for transferring heat generated by the defroster to the refrigeration equipment and defrosting the defrosting fan, but in the prior art, the defrosting fan is of a fixed installation structure, the working range of the defrosting fan is small, so that the heat of the defroster is not uniform, the refrigeration equipment is heated unevenly during defrosting, the defrosting of the equipment is not facilitated, and the defrosting efficiency is low; the defrosting device can only defrost one surface in the refrigeration equipment at a time, and when a plurality of surfaces are frosted, the defrosting is required to be performed in sequence by each surface, which wastes electricity and affects the working efficiency; after defrosting is finished, the device can not stop working automatically, manual intervention is needed, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists among the prior art, the utility model provides a refrigeration plant defroster, the utility model discloses a through following technical scheme realization:

a defrosting device for refrigeration equipment comprises a device shell and a fan, wherein a front-back movement module is fixedly arranged on the lower bottom surface inside the device shell, an up-down movement module is fixedly arranged above the front-back movement module, the fan is arranged on the up-down movement module, the front-back movement module drives the up-down movement module to reciprocate front and back, and the up-down movement module drives the fan to reciprocate up and down; at least one surface of the device shell is provided with a defrosting through hole, and an electric heating plate is arranged on the inner side of the defrosting through hole; the device also comprises a temperature sensor and a controller, wherein the temperature sensor is electrically connected with the controller.

Preferably, the back-and-forth movement module comprises a driving motor, a first lead screw rotatably connected to the driving motor and a first sliding block arranged on the first lead screw in a matching manner, and the up-and-down movement module is arranged above the first sliding block.

Preferably, the up-and-down movement module comprises a second driving motor with an upward output shaft end, the output shaft end of the second driving motor is connected with a second lead screw, a second sliding block is installed on the second lead screw in a matching mode, the left side of the second sliding block is fixed on the fan, and a sleeve connecting rod and a sleeve are fixedly arranged on the right side of the second sliding block in sequence, and the sleeve is sleeved on a guide rod with a fixed lower end in a sliding mode.

Preferably, the upper end rotatable coupling of No. two lead screws is in the lead screw connecting block, lead screw connecting block upper end sliding connection is in guide rail No. one.

Preferably, the lower end of the guide rod is fixed on the first sliding block, the upper end of the guide rod is fixedly connected with a guide rod connecting block, and the upper end of the guide rod connecting block is connected with a second guide rail in a sliding mode.

Preferably, the front side, the rear side and the left side of the shell of the device are provided with defrosting through holes, and the inner sides of the defrosting through holes are provided with electric heating plates.

Preferably, the top surface of the device shell is provided with an upper air outlet, and the inner side of the upper air outlet is provided with an electric heating plate; the lower bottom surface of the device shell is provided with a lower air outlet, and the inner side of the lower air outlet is also provided with an electric heating plate.

Preferably, the top of the upper air outlet is closed, and an upper air outlet inclined upwards is formed in the side surface of the upper air outlet.

Preferably, the outlet end of the fan is provided with an outlet guide housing, the outlet guide housing is provided with a plurality of fan outlets, and the fan outlets are respectively aligned with the defrosting through hole, the upper air outlet and the lower air outlet on each side of the device shell.

Preferably, the top surface of the device shell is also provided with an inward-concave water collecting tank.

Preferably, the front side of the device shell is detachably mounted.

Preferably, the first driving motor, the second driving motor and the electric heating plate are all electrically connected with the controller.

The utility model has the advantages that:

1. the fan can move up and down, left and right in the device, the moving range is wider, and the defrosting effect is better.

2. The side of the refrigeration equipment needing defrosting is provided with the temperature sensor, the end of the defrosting process of the device is controlled by setting a temperature threshold value, and the degree of automation is higher.

3. The electric heating plates are arranged on a plurality of inner side surfaces of the device shell, and the defrosting through holes are formed, so that defrosting of a plurality of surfaces of the refrigeration equipment can be realized.

4. The upper air outlet of the device is in a form of closing the top and opening an obliquely upward hole on the side surface, so that water drops are effectively prevented from falling into the device, and meanwhile, the air blowing area is increased by the obliquely upward upper air outlet;

5. the outlet of the fan is provided with an air outlet guide cover, and the air outlet guide cover is provided with a fan air outlet which is over against each defrosting surface, thereby effectively reducing the loss of air and improving the defrosting efficiency.

6. The top surface of the device is provided with the water collecting tank and the water collecting cup, so that the phenomenon that the melted and fallen water drops flow into the device along the through hole on the side surface is avoided, the internal parts of the device are damaged, and the service life of the device is shortened.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the front view structure of the present invention (the front side is omitted).

Fig. 2 is a left side view structure diagram of the present invention.

3 fig. 33 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 of 3 the 3 present 3 invention 3. 3

Fig. 4 is an appearance schematic diagram of the present invention.

Fig. 5 is a schematic perspective view (front side is omitted) of the present invention.

Fig. 6 is a schematic perspective view (front side omitted) of the present invention.

In the figure, 1-device shell, 11-upper air outlet, 111-upper air outlet, 12-lower air outlet, 13-defrosting through hole, 14-mounting hole, 2-back and forth movement module, 21-first slide block, 22-first drive motor, 23-first lead screw, 24-slide pedestal, 3-second drive motor, 31-second lead screw, 32-second slide block, 33-lead screw connecting block, 34-first guide rail, 4-fan, 41-air outlet guide cover, 42-fan air outlet, 5-guide rod, 51-sleeve, 52-sleeve connecting rod, 53-guide rod connecting block, 54-second guide rail, 6-travel switch, 7-electric heating plate, 8-water collecting cup, 81-water collecting tank, 9-a controller.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 6, the utility model relates to a refrigeration plant defroster, including device casing 1, the welding forms between each face of device casing upper and lower, back, left and right, and the leading flank passes through screw detachable and left and right flank fixed connection, the installation, inspection and the maintenance of the interior arrangement of being convenient for.

The right side surface of the device shell 1 is provided with a mounting hole 14 which is convenient to fix in refrigeration equipment when needed.

The device casing 1 is inside bottom surface down and is set firmly fore-and-aft movement module 2, and fore-and-aft movement module 2 includes slide carriage seat 24, driving motor 22, slider 21 and lead screw 23, and lead screw 23 is installed in slide carriage seat 24, and slider 21 is installed on lead screw 23 and slide carriage seat 24 in the cooperation, and a lead screw 23 one end passes through coupling joint driving motor 22, and the other end and the bearing frame rotatable coupling of fixed mounting on slide carriage seat 24. The slide pedestal 24 is also provided with travel switches at the front and the back, so that the first slide block 21 can realize the reciprocating motion at the front and the back under the driving of the driving motor 22.

No. one slider 21 top has set firmly up the up-and-down motion module, the up-and-down motion module is including going out the ascending driving motor 3 No. two of axle head, No. two driving motor 3 go out the axle head and pass through No. two lead screw 31 of shaft coupling fixedly connected with, No. two slider 32 are installed in the cooperation on No. two lead screw 31, No. two slider 32 left side fixed fan 4, the right side is from left to right fixedly connected with sleeve connecting rod 52 and sleeve 51, the through-hole of upper and lower direction is seted up on the sleeve 51, this through-hole can be the square hole, also can be the round hole, be the square hole in this embodiment, sleeve 51 overlaps through this through-hole slidable cover and establishes on guide bar 5 that the lower extreme was fixed on a slider 21, drive motor 3 down No. two.

The guide rod 5 is also provided with a travel switch 6, and the upper end and the lower end of the travel switch are respectively provided with one so as to realize the up-and-down reciprocating circular motion of the fan 4.

The upper end of the second lead screw 31 is rotatably connected in a bearing seat at the lower end of the lead screw connecting block 33, a guide rail groove is arranged at the upper end of the lead screw connecting block 33, and the guide rail groove is slidably connected on the first guide rail 34.

The lower end of the guide rod 5 is fixed on the first sliding block 21, the upper end of the guide rod 5 is fixedly connected with a guide rod connecting block 53, the upper end of the guide rod connecting block 53 is also provided with a guide rail groove, and the guide rail groove is slidably connected with a second guide rail 54. Therefore, under the driving of the first driving motor 22, the up-and-down movement module can stably reciprocate back and forth and simultaneously drive the fan 4 to reciprocate up and down to sweep air, thereby increasing the air sweeping area and improving the defrosting efficiency.

At least one surface of the device shell 1 is provided with a defrosting through hole 13, in the embodiment, the front, back and left side surfaces of the device shell 1 are provided with defrosting through holes 13, and the inner side surfaces of the defrosting through holes 13 are provided with electric heating plates 7; the top surface of the device shell 1 is provided with an upper air outlet 11, and the inner side of the upper air outlet 11 is provided with an electric heating plate 7; the lower bottom surface of the device shell 1 is provided with a lower air outlet 12, and the inner side of the lower air outlet 12 is also provided with an electric heating plate 7. The electric heating plate 7 is internally provided with a plurality of electric heating wires which generate heat after being electrified, then the fan 4 sweeps wind, the wind is changed into hot wind through the heating wires, and then the hot wind is blown out from the defrosting through hole 13 or the upper air outlet 11 and the lower air outlet 12, and meanwhile, frost on a plurality of surfaces of the refrigeration equipment is melted and removed.

Go up air outlet 11 and seal for the top, its side is opened has the upward form of exhaust vent 111 of a plurality of slopes, and the effectual water droplet that prevents after melting perpendicularly falls into device internal damage equipment, and the upward exhaust vent of slant has increased the area of blowing simultaneously.

The lower outlet 12 is a trumpet-shaped structure, which is also for increasing the air outlet area.

The outlet end of the fan 4 is fixedly provided with an air outlet guide cover 41, the air outlet guide cover 41 is provided with a defrosting through hole 13 corresponding to each side surface of the device shell 1 and a fan air outlet 42 of the upper air outlet and the lower air outlet, and the air generated by the fan 4 forms multiple paths from the fan air outlet 42 through the air outlet guide cover 41 to be aligned with the defrosting through hole 13 and the upper air outlet and the lower air outlet to be blown out, so that the utilization rate and the efficiency of blowing are improved, and unnecessary air loss is reduced.

The top surface of the device shell 1 is also provided with a water collecting tank 81 which is inwards concave, one side of the water collecting tank 81 is provided with a water outlet, a water collecting cup 8 which is detachably arranged on the side surface of the device shell 1 is arranged below the water outlet, the water which is melted above the refrigeration equipment is collected, and the water drops which fall are prevented from flowing into the device along the through hole on the side surface, so that the service life of the device is shortened.

The device also comprises a temperature sensor and a controller 9, in the embodiment, the temperature sensor is a DS18B20 temperature sensor manufactured by DALLAS, inc, the controller 9 is an MSP430F1611 micro-power consumption single chip microcomputer manufactured by TI, and the temperature sensor is electrically connected with the controller 9. Fixing temperature sensors on a plurality of surfaces of refrigeration equipment needing defrosting, starting a power supply, and controlling a first driving motor 22, a second driving motor 3, a fan 4 and an electric heating plate 7 to operate by a controller 9; the termination temperature threshold is set to a value above zero, e.g., 1 ℃ in this embodiment, and when all the temperature sensors reach the threshold, the controller automatically controls the apparatus to stop, and at this time, one defrosting of the refrigeration apparatus is completed.

In the description of the present invention, the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings (the present invention shows positional relationships with the main view), and are only for describing the present invention, but not for requiring the present invention to be constructed or operated in a specific direction, and therefore, the present invention cannot be interpreted as being limited to the present invention. The terms "connected" and "connected" in the present invention are to be understood in a broad sense, and may be connected or detachably connected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.

The foregoing is a preferred embodiment of the present invention, and the description of the specific embodiments is only for better understanding of the idea of the present invention. To those skilled in the art, many modifications and equivalents may be made in accordance with the principles of the present invention and are deemed to fall within the scope of the invention.

Claims

1. A refrigeration plant defroster, includes device casing (1) and fan (4), its characterized in that: a front-back movement module (2) is fixedly arranged on the lower bottom surface inside the device shell (1), an upper-lower movement module is arranged above the front-back movement module (2), the fan (4) is mounted on the upper-lower movement module, the front-back movement module (2) drives the upper-lower movement module to reciprocate back and forth, and the upper-lower movement module drives the fan (4) to reciprocate up and down; at least one surface of the device shell (1) is provided with a defrosting through hole (13), and an electric heating plate (7) is arranged on the inner side of the defrosting through hole (13); the device also comprises a temperature sensor and a controller (9), wherein the temperature sensor is electrically connected with the controller (9).

2. A refrigeration apparatus defroster according to claim 1 wherein: the back-and-forth movement module (2) comprises a first driving motor (22), a first lead screw (23) which is rotatably connected with the first driving motor (22) and a first sliding block (21) which is installed on the first lead screw (23) in a matching mode, and the up-and-down movement module is installed above the first sliding block (21); the up-and-down motion module is including going out the ascending driving motor (3) of axle end No. two, No. two driving motor (3) play axle end is connected with No. two lead screw (31), and No. two slider (32) are installed in the cooperation on No. two lead screw (31), No. two slider (32) left sides are fixed fan (4), right side have set firmly sleeve connecting rod (52) and sleeve (51) successively, sleeve (51) slip cap is located on the fixed guide bar of lower extreme (5).

3. A refrigeration apparatus defroster according to claim 2 wherein: the upper end rotatable coupling of No. two lead screw (31) is in lead screw connecting block (33), lead screw connecting block (33) upper end sliding connection is in guide rail (34) No. one.

4. A refrigeration apparatus defroster according to claim 3 wherein: the lower end of the guide rod (5) is fixed on the first sliding block (21), the upper end of the guide rod is fixedly connected with a guide rod connecting block (53), and the upper end of the guide rod connecting block (53) is connected with a second guide rail (54) in a sliding mode.

5. The refrigeration appliance defrosting apparatus of claim 4, wherein: the defrosting device is characterized in that defrosting through holes (13) are formed in the front side face, the rear side face and the left side face of the device shell (1), and electric heating plates (7) are arranged on the inner side faces of the defrosting through holes (13).

6. The refrigeration appliance defrosting apparatus of claim 5 wherein: an upper air outlet (11) is formed in the top surface of the device shell (1), and an electric heating plate (7) is arranged on the inner side of the upper air outlet (11); the device is characterized in that a lower air outlet (12) is formed in the lower bottom surface of the device shell (1), and an electric heating plate (7) is also arranged on the inner side of the lower air outlet (12).

7. The refrigeration appliance defrosting apparatus of claim 6 wherein: the top of the upper air outlet (11) is closed, and the side surface of the upper air outlet is provided with an upper air outlet (111) inclining upwards.

8. A refrigeration apparatus defroster according to claim 7 wherein: the air outlet guide cover (41) is installed at the outlet end of the fan (4), a plurality of fan air outlets (42) are formed in the air outlet guide cover (41), and the fan air outlets (42) are respectively aligned to the defrosting through holes (13), the upper air outlet (11) and the lower air outlet (12) in each side face of the device shell (1).

9. A refrigeration apparatus defroster according to claim 1 wherein: the top surface of the device shell (1) is also provided with an inward concave water collecting tank (81).

10. The refrigeration appliance defrosting apparatus of claim 6 wherein: the first driving motor (22), the second driving motor (3) and the electric heating plate (7) are electrically connected with the controller (9).