CN211084940U

CN211084940U - Deicing device, heat exchanger and compressor

Info

Publication number: CN211084940U
Application number: CN201921771940.5U
Authority: CN
Inventors: 梁立鹏; 陈培生; 王朴忠; 黄凯亮
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-07-24
Anticipated expiration: 2029-10-21

Abstract

The utility model provides a defroster, heat exchanger and compressor relates to compressor technical field, has solved the water collector condensation and has frozen, the technical problem of fragile heat exchanger. The deicing device comprises a first deicing assembly and a second deicing assembly, wherein the first deicing assembly is arranged at a position to be deiced and can enable icing to be separated from the position to be deiced into a free state; the second deicing assembly is movably arranged at the position to be deiced and can remove the ice in a free state from the position to be deiced; the first deicing assembly comprises a resonance piezoelectric sheet and a power supply device, and the power supply device is electrically connected with the resonance piezoelectric sheet; the second deicing assembly comprises a deicing brush and a driving device in transmission connection with the deicing brush, and the driving device can drive the deicing brush to move back and forth at a position to be deiced. The utility model discloses can remove and remove freezing on the heat exchanger water collector, solve the problem that the heat exchanger freezes when cold area moves, guarantee the unit stability of heat transfer performance when cold area moves.

Description

Deicing device, heat exchanger and compressor

Technical Field

The utility model belongs to the technical field of the compressor technique and specifically relates to a defroster, heat exchanger and compressor are related to.

Background

In recent years, along with the popularization of the policy of changing coal into electricity, the advantages of the air-cooled screw unit on a cold quantity section and the breakthrough of a low-temperature technology make the operation of the air-cooled screw unit under the low-temperature condition in the north become more and more competitive, and the ultra-low-temperature air-cooled screw represented by a single-machine two-stage technology can adapt to a lower temperature environment, and meanwhile, compared with a module machine product, the ultra-low-temperature air-cooled screw has a better adapter for a medium-large centralized heat supply type project, is small in occupied area, stable and reliable, and is higher in efficiency.

The fin heat exchanger is a core component of the unit, and when the unit heats, the heat exchanger absorbs the heat of nearby air, a large amount of condensed water is formed on the surface of the heat exchanger, and the condensed water flows into the water receiving tray and is discharged.

The applicant has found that the prior art has at least the following technical problems:

When the water collector operates in the low temperature condition in the north, condensed water in the water collecting tray is frozen and can not be discharged, so that an ice chain extends onto the fins, the fins are damaged, and the heat transfer performance of the fins is greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a defroster, heat exchanger and compressor to the water collector condensation that exists among the solution prior art freezes, the technical problem of fragile heat exchanger.

In order to achieve the above purpose, the utility model provides a following technical scheme:

The utility model provides a deicing device, which comprises a first deicing component and a second deicing component, wherein the first deicing component is arranged at a position to be deiced, so that icing can be separated from the position to be deiced into a free state; the second deicing component is movably arranged at the position to be deiced and can remove the ice in a free state from the position to be deiced.

As a further improvement of the present invention, the first deicing assembly includes a resonance piezoelectric sheet and a power supply device, and the power supply device is electrically connected to the resonance piezoelectric sheet.

As a further improvement of the present invention, the number of the resonant piezoelectric sheets is at least one, and the lengths and/or thicknesses of all the resonant piezoelectric sheets are the same or different.

As a further improvement of the present invention, the frequency of the input signal of the power supply device is adjustable.

As a further improvement of the utility model, the input signal frequency of the power supply device is 900-5000 HZ.

As a further improvement, the second deicing assembly includes the deicing brush and with the drive arrangement that the deicing brush transmission is connected, drive arrangement can drive the deicing brush is treating deicing position reciprocating motion.

As a further improvement of the present invention, the driving device includes a power source and a transmission member, the power source is connected to the transmission member in a transmission manner, and the deicing brush is rigidly connected to the transmission member.

As a further improvement, the power supply is a motor and a transmission wheel shaft, the motor is connected with the transmission wheel shaft in a transmission way, and the transmission part is sleeved with a transmission belt, a transmission chain or a track on the transmission wheel shaft.

As a further improvement, the deicing brush is a hard brush.

As a further improvement of the present invention, the deicing device further includes a temperature sensor and a controller, the temperature sensor first deicing assembly with second deicing assembly all with controller electric connection.

The utility model provides a pair of heat exchanger, including the water collector with defroster, first deicing subassembly sets up on the water collector lateral wall, second deicing subassembly sets up in the water receiving inner chamber of water collector.

The utility model provides a pair of compressor, include the heat exchanger.

Compared with the prior art, the utility model following beneficial effect has:

The utility model provides a deicing device, can remove the icing on the heat exchanger water collector and remove, solve the problem of icing when the heat exchanger operates in cold areas, guarantee the stability of heat transfer performance when the unit operates in cold areas; the utility model discloses a among the further improvement scheme, through setting up resonance piezoelectric plate, not only can will freeze and shake down from the water collector, can also make the condensate water vibration on the water collector become mobile rivers, prevent that the water collector from freezing, this kind of deicing mode compares the characteristics that heating power deicing mode has the low energy consumption, and the energy consumption is about the sixtieth one of electrical heating deicing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the heat exchanger of the present invention;

Fig. 2 is a front view of the heat exchanger of the present invention;

FIG. 3 is a top view of the heat exchanger of the present invention

Fig. 4 is a side view of the heat exchanger of the present invention;

Fig. 5 is a schematic perspective view of the deicing device of the present invention mounted on the water pan of the heat exchanger;

Fig. 6 is a top view of the deicing device of the present invention mounted on a water pan of a heat exchanger;

Fig. 7 is a side view of the deicing device of the present invention mounted on a water pan of a heat exchanger;

Fig. 8 is a front view of the deicing device of the present invention mounted on a water pan of a heat exchanger;

Fig. 9 is a schematic perspective view of a deicing brush in the deicing device of the present invention.

FIG. 1, a first deicing assembly; 2. a second deicing assembly; 21. a deicing brush; 22. a drive device; 221. a drive axle; 222. a conveyor belt; 100. a heat exchanger; 200. a water pan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 5, the utility model provides a deicing device, which comprises a first deicing component 1 and a second deicing component 2, wherein the first deicing component 1 is arranged at the position to be deiced, so that the ice can be separated from the position to be deiced to be free; the second deicing assembly 2 is movably arranged at the position to be deiced and can remove the ice in a free state from the position to be deiced.

As shown in fig. 6, specifically, in an embodiment of the present invention, the position to be deiced is a water pan 200 of the heat exchanger 100. The second de-icing assembly 2 is movable within the drip tray 200 to remove the detached frozen or non-frozen condensate from within the drip tray 200. The first deicing assembly 1 can remove ice from the water pan 200 or make non-frozen condensate flow.

The utility model provides a defroster can remove the freezing on the heat exchanger water collector 200 and remove, solves the problem that the heat exchanger freezes when cold area moves, guarantees the unit heat transfer performance's when cold area moves stability.

As an alternative embodiment, as shown in fig. 1, 2 and 8, the first deicing assembly 1 includes a resonant piezoelectric sheet and a power supply device, and the power supply device is electrically connected to the resonant piezoelectric sheet. The power supply device can provide input signals for the resonance piezoelectric patch so as to enable the resonance piezoelectric patch to vibrate and drive the water pan 200 to vibrate along with the resonance piezoelectric patch.

Further, the number of the resonant piezoelectric sheets is at least one, and the lengths and/or thicknesses of all the resonant piezoelectric sheets are the same or different. It should be noted that, in the present invention, the resonance piezoelectric sheets are disposed on the bottom wall and the two side walls of the water pan 200. The specification of the resonance piezoelectric sheet is selected according to the specification of the water pan 200.

It should be noted that the frequency of the input signal of the power supply device is adjustable. By adjusting the frequency of the input signal, the vibration frequency of the resonant piezoelectric sheet can be changed, so that the resonant piezoelectric sheet is suitable for being used under different working conditions or environments.

After a plurality of tests, the input signal frequency of the power supply device is 900-5000HZ, wherein the optimal signal frequency is 5000 HZ.

As an alternative embodiment, as shown in fig. 7 and 9, the second deicing assembly 2 includes a deicing brush 21 and a driving device 22 in transmission connection with the deicing brush 21, and the driving device 22 can drive the deicing brush 21 to reciprocate at the position to be deiced. It should be noted that, the specification of deicing brush 21 and the specification of water collector 200 are adapted, water collector 200 is the symmetrical structure, and both sides have the water collector of U-shaped, and deicing brush 21 activity sets up in the water collector, can follow water collector length direction reciprocating motion, and in order to guarantee deicing effect, deicing brush 21 bottom and water collector bottom contact are connected, perhaps have little clearance. The deicing brush 21 includes a support block, a metal jig, and bristles, the bristles are connected to the support block through the metal jig, and the support block is rigidly connected to the conveyor belt 222.

As an alternative embodiment, the drive means comprise a power source and a transmission member, the power source being in driving connection with the transmission member, the de-icing brush 21 being rigidly connected to the transmission member.

The power source is a motor and a transmission wheel shaft 221, the motor is in transmission connection with the transmission wheel shaft 221, and the transmission piece is a transmission belt 222, a transmission chain or a crawler belt sleeved on the transmission wheel shaft 221. As shown in the figure, the two transmission wheel shafts 221 are respectively an active transmission wheel shaft 221 and a passive transmission wheel shaft 221, an output shaft of the motor is connected with the active transmission wheel shaft 221, the two transmission wheel shafts 221 are respectively fixed outside two ends of the water receiving tray 200, and a gap is left between the transmission wheel shaft 221 and the end of the water receiving tray 200 for icing or water to fall from the gap.

Because the ice has certain hardness, the utility model discloses in, deicing brush 21 is the stereoplasm brush. The deicing brush 21 is rigidly connected with the conveyor belt 222, and the conveyor belt 222 drives the deicing brush 21 to move along with the conveyor belt.

As an optional implementation manner, the deicing device further includes a temperature sensor and a controller, and the temperature sensor, the first deicing assembly 1 and the second deicing assembly 2 are all electrically connected with the controller. Specifically, a temperature sensor is arranged on the heat exchanger, the ambient temperature is measured, the temperature is transmitted to the controller, once the external ambient temperature is lower than 0 degree, the controller controls the deicing device to be started, the first deicing assembly 1 starts to vibrate to remove the ice, and the second deicing assembly 2 starts to move to remove the removed ice.

As shown in fig. 1-4, the utility model provides a heat exchanger, including water collector 200 and defroster, first deicing component 1 sets up on water collector 200 lateral wall, and second deicing component 2 sets up in the water receiving inner chamber of water collector 200.

The utility model discloses in, the power supply is the motor, and other power supplies can also be changed into certainly, like telescopic cylinder etc. also can adopt the built-in power of compressor, do not shut down at the compressor unit operation in-process and carry out the ice removal.

By controlling the vibration frequency of the resonance piezoelectric sheet, the water receiving tray 200 is excited to resonate, so that ice blocks are separated from the water receiving tray 200 and are finally swept away by the deicing brush 21 which moves back and forth.

The utility model discloses a defroster's assembly process as follows:

Firstly, mounting resonance piezoelectric sheets at the bottom and two sides of the outer side of the water pan 200; then the hard brush is assembled on the conveyor belt 222, and the initial installation position of the hard brush is required to be installed at the end part of the water receiving tray 200; and finally, sleeving the conveyor belt 222 on a transmission wheel shaft 221, wherein the transmission wheel shaft 221 is connected with a power source.

When the temperature sensor on the unit senses that the external environment temperature is lower than 0 degree, the deicing device starts to work. The resonance piezoelectric sheet receives a signal and starts to vibrate, so that the water receiving tray 200 is excited to resonate, and ice blocks cannot be attached to the water receiving tray 200. Because the conveyor belt 222 is rigidly connected with the brush, when power is input to the transmission wheel shaft 221, the conveyor belt 222 pushes the hard brush to move along the water receiving tray 200, and accumulated water and ice blocks in the water receiving tray 200 are removed in time. When the brush finishes a stroke of movement and reaches the other end of the water receiving tray 200, the brush can return along the original path by inputting an opposite power source, and the newly flowing spray water is swept.

The utility model provides a pair of compressor, including foretell heat exchanger.

The utility model discloses a among the further improvement scheme, through setting up resonance piezoelectric plate, not only can will freeze and shake down from the water collector, can also make the condensate water vibration on the water collector become mobile rivers, prevent that the water collector from freezing, this kind of deicing mode compares the characteristics that heating power deicing mode has the low energy consumption, and the energy consumption is about the sixtieth one of electrical heating deicing.

It should be noted that "inward" is a direction toward the center of the accommodating space, and "outward" is a direction away from the center of the accommodating space.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The deicing device is characterized by comprising a first deicing assembly and a second deicing assembly, wherein the first deicing assembly is arranged at a position to be deiced and can enable ice to be separated from the position to be deiced to be in a free state; the second deicing component is movably arranged at the position to be deiced and can remove the ice in a free state from the position to be deiced.

2. The deicing device as set forth in claim 1, wherein the first deicing component comprises a resonant piezoelectric sheet and a power supply device electrically connected to the resonant piezoelectric sheet.

3. Deicing device according to claim 2, characterized in that the number of said resonant piezoelectric sheets is at least one, all of said resonant piezoelectric sheets being of the same or different length and/or thickness.

4. Deicing device according to claim 2, characterized in that the input signal of said power supply device is frequency-adjustable.

5. Deicing device according to claim 4, characterized in that the input signal frequency of said power supply means is 900-5000 HZ.

6. The deicing device as set forth in any one of claims 1 to 5, wherein the second deicing assembly comprises a deicing brush and a driving device in transmission connection with the deicing brush, and the driving device can drive the deicing brush to move back and forth at a position to be deiced.

7. The deicing device as set forth in claim 6, wherein the deicing brush is a rigid brush.

8. The deicing device of claim 1, further comprising a temperature sensor and a controller, wherein the temperature sensor, the first deicing assembly, and the second deicing assembly are all electrically connected to the controller.

9. A heat exchanger comprising a water-tray and a deicing device as claimed in any one of claims 1 to 8, wherein said first deicing assembly is disposed on an outer side wall of said water-tray, and said second deicing assembly is disposed in a water-receiving inner chamber of said water-tray.

10. A compressor, characterized by comprising a heat exchanger according to claim 9.