CN210721164U

CN210721164U - Heat exchanger capable of controlling temperature

Info

Publication number: CN210721164U
Application number: CN201921756065.3U
Authority: CN
Inventors: 安国一
Original assignee: Changzhou Lingji Industrial Equipment Co Ltd
Current assignee: Changzhou Lingji Industrial Equipment Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-09
Anticipated expiration: 2029-10-18

Abstract

The utility model belongs to the field of heat exchangers, in particular to a heat exchanger capable of controlling temperature, which comprises a first fan, a heat exchange mechanism, a second fan and a constant temperature control device; the heat exchange mechanism comprises a first fan, a second fan, a heat exchange mechanism and a thermostatic control device, wherein the first fan can introduce heat in an electric cabinet into the heat exchange mechanism from a pipeline, the second fan can introduce cold air outside the electric cabinet into the heat exchange mechanism from the pipeline, the heat exchange mechanism comprises a fin plate, the fin plate is in a wave shape formed by repeatedly bending the fin plate at fixed intervals, the fin plate is provided with a heat flow channel and a cold flow channel which are opposite in opening and mutually spaced, the thermostatic control device is arranged on one side of the heat exchanger and used for controlling the first fan and the second fan, energy and electricity are saved, intelligent temperature control is achieved, and the service life of the fans is prolonged.

Description

Heat exchanger capable of controlling temperature

Technical Field

The utility model belongs to the heat exchanger field, specific but temperature control's heat exchanger that says so.

Background

The inside electronic component work of electrical cabinet such as large-scale equipment or machinery, computer lab generates heat, makes the inside temperature of electrical cabinet rise, leads to the core component to shut down like the treater, and the operation slows down, and the wire rod is ageing and the hidden danger scheduling problem of catching fire with higher speed, is similar to the computer mainframe machine case problem of generating heat. However, the interior of the electric cabinet needs to be isolated from environmental factors such as dust, moisture, oil gas and the like in the air, and the fan cannot be used for direct circulation. At present, the scheme for solving the technical problem is that a heat exchanger is adopted, and the principle is as follows: keep apart with the baffle in the middle of the inside condenser of heat exchanger, divide into two blocks of regions of electricity cabinet side and outside air side, the inside fan of heat exchange inhales the inside hot-air of electricity cabinet, and the outside fan of heat exchange inhales outside cold air, and hot-air and cold air are heat-transfer for the copper pipe through heat exchanger built-in fin (aluminium foil) separately, and the cold and hot exchange of the inside freon of copper pipe reaches the effect of exchange under the gaseous state.

In the prior art, a heat exchanger in electronic equipment continuously works, and the working state of the heat exchanger cannot be controlled according to the temperature in the electronic equipment, so that the electricity is wasted, and the service life of the heat exchanger is shortened.

SUMMERY OF THE UTILITY MODEL

To solve the above technical problems in the prior art, the present invention provides a temperature controllable heat exchanger.

A heat exchanger capable of controlling temperature comprises a first fan, a heat exchange mechanism, a second fan and a constant temperature control device; the first fan can introduce heat in the electric cabinet into the heat exchange mechanism from a pipeline, the second fan can introduce cold air outside the electric cabinet into the heat exchange mechanism from the pipeline, the heat exchange mechanism comprises a fin plate, the fin plate is in a wave shape formed by repeatedly bending at fixed intervals, the fin plate is provided with a hot flow channel and a cold flow channel which are opposite in opening and are mutually spaced, and the thermostatic control device is arranged on one side of the heat exchanger and used for controlling the first fan and the second fan.

Further, the fin plate is made of aluminum material.

Further, the fin plate includes a top wall at the top of the wave shape, a bottom wall at the bottom of the wave shape, and a foot connecting the top wall and the bottom wall, the top wall and the foot forming the cold flow channel, and the bottom wall and the foot running the hot flow channel.

Furthermore, a baffle is arranged at one end of the cold flow channel, a baffle is arranged at one end of the hot flow channel, and the end, far away from the cold flow channel, of the cold flow channel is provided with the baffle.

Further, the height of the foot part is the same as that of the adjacent foot part.

Furthermore, the constant temperature control device comprises a single chip microcomputer controller, a temperature acquisition circuit, a signal amplification conditioning circuit, an analog/digital conversion circuit, an LED display module and a function key input module which are respectively connected with the single chip microcomputer controller, wherein the temperature acquisition module, the signal amplification conditioning circuit and the analog/digital conversion circuit are sequentially connected and are connected with the single chip microcomputer controller through the analog/digital conversion circuit, and the single chip microcomputer controller is respectively connected with the first fan and the second fan.

Furthermore, the function key module comprises a setting key, a power on/off/confirmation key, an up temperature adjusting key and a down temperature adjusting key.

The utility model provides a heat exchanger of steerable temperature, beneficial effect lies in the utility model discloses the thermostatic control device has been disposed among the device, through setting for the temperature one, the temperature in the electric cabinet surpasss and sets for the temperature, and heat exchanger starts to can carry out the heat exchange with the hot flow in the electric cabinet and cold air, the temperature in the electric cabinet is less than and sets for the temperature, and heat exchanger closes, is favorable to energy-conserving power saving, and intelligence control by temperature change prolongs the life of fan.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of the device of the present invention;

FIG. 2 is a schematic diagram of the thermostatic control device of the present invention;

FIG. 3 is a schematic top view of a fin plate of the heat exchange mechanism;

FIG. 4 is a schematic side view of a fin plate of the heat exchange mechanism;

in the figure, 1, a first fan; 2. a heat exchange mechanism; 21. a heat flow channel; 22. a cold flow channel; 23. A top wall; 24. a bottom wall; 25. a foot portion; 26. a baffle plate; 3. a second fan; 4. a constant temperature control device; 41. a single chip controller; 42. a temperature acquisition circuit; 43. a signal amplifying and conditioning circuit; 44. an analog/digital conversion circuit; 45. an LED display module; 46. and a function key input module.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. The meaning of "a plurality" in the description of the present invention is two or more unless otherwise specifically limited.

The following describes preferred embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, a temperature controllable heat exchanger includes a first fan 1, a heat exchange mechanism 2, a second fan 3, and a thermostatic control device 4; the first fan 1 can introduce heat in the electric cabinet into the heat exchange mechanism 2 from a pipeline, the second fan 3 can introduce cold air outside the electric cabinet into the heat exchange mechanism 2 from the pipeline, and heat exchange can be performed in the heat exchange mechanism 2 to accelerate heat transfer speed in the electric cabinet, so that the electric cabinet is rapidly cooled. The heat exchange mechanism 2 comprises a fin plate, the fin plate is made of aluminum materials, the thickness of the fin plate is 3 mm, the fin plate is in a wave shape formed by repeatedly bending at fixed intervals, the fin plate is provided with a heat flow channel 21 and a cold flow channel 22 which are opposite in opening and are mutually spaced, and the constant temperature control device 4 is arranged on one side of the heat exchanger and used for controlling the first fan 1 and the second fan 3.

The utility model discloses in, the fin board is including the top wall 23 that is located the wave form top, the bottom wall 24 that is located the wave form bottom and connect the foot 25 of top wall 23 and bottom wall 24, top wall 23 with foot 25 forms cold flow channel 22, bottom wall 24 with the foot 25 stroke hot flow channel 21. The height of the foot 25 is the same as that of the adjacent foot 25, a baffle 26 is arranged at one end of the cold flow channel 22, a baffle is arranged at one end of the hot flow channel 21, and the end, away from the cold flow channel 22, of the cold flow channel is provided with the baffle 26. The cold air and the hot air flow enter the cold flow path 22 and the hot flow path 21, respectively, from two different directions, so that heat exchange can be sufficiently performed.

The utility model discloses in, thermostatic control device 4 includes single chip microcomputer controller 41, temperature acquisition circuit 42, signal amplification conditioning circuit 43, analog-to-digital conversion circuit 44 and LED display module 45, function button input module 46 that link to each other respectively with single chip microcomputer controller 41, wherein, temperature acquisition circuit 42 signal amplification conditioning circuit 43 and analog-to-digital conversion circuit 44 connect gradually and by analog-to-digital conversion circuit 44 connects single chip microcomputer controller 41, single chip microcomputer controller 41 connect respectively in first fan 1 with second fan 3. The function key module comprises a setting key, a power on/off/confirmation key, an up temperature adjusting key and a down temperature adjusting key. The single chip microcomputer is of an STC12C2051 model, the temperature acquisition circuit 42 is a PT100 temperature sensor, and the analog/digital conversion circuit 44 is an A/D converter DAC 900U.

The utility model discloses the theory of operation: firstly, the temperature parameters of the device are set through the function key input module 46, and the specific operation steps are general and conventional steps. Temperature sensor in the temperature acquisition circuit 42 gathers the temperature signal in the electric cabinet, convert temperature signal into the signal of telecommunication, again through signal amplification conditioning circuit 43 with signal amplification, give analog-to-digital conversion circuit 44 with the signal transmission who amplifies, thereby the dress trades into digital signal, when the temperature in the electric cabinet is higher than the settlement temperature, show that need cool down the electric cabinet, thereby single chip controller 41 sends the enabling signal for the heat exchanger, when the temperature is less than the settlement temperature in the electric cabinet, show that the temperature in the electric cabinet need not cool down, thereby single chip controller 41 sends the close signal for the heat exchanger.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat exchanger capable of controlling temperature is characterized by comprising a first fan, a heat exchange mechanism, a second fan and a constant temperature control device; the first fan can introduce heat in the electric cabinet into the heat exchange mechanism from a pipeline, the second fan can introduce cold air outside the electric cabinet into the heat exchange mechanism from the pipeline, the heat exchange mechanism comprises a fin plate, the fin plate is in a wave shape formed by repeatedly bending at fixed intervals, the fin plate is provided with a hot flow channel and a cold flow channel which are opposite in opening and are mutually spaced, and the thermostatic control device is arranged on one side of the heat exchanger and used for controlling the first fan and the second fan.

2. The controllable temperature heat exchanger of claim 1, wherein the fin plate is an aluminum material.

3. The controllable temperature heat exchanger of claim 1, wherein said fin plate includes a top wall at the top of the wave, a bottom wall at the bottom of the wave, and a foot connecting said top wall and said bottom wall, said top wall and said foot forming said cold flow channel, said bottom wall and said foot running said hot flow channel.

4. A temperature controllable heat exchanger according to claim 1 or 3 wherein the cold flow path is provided with a baffle at one end, the hot flow path is provided with a baffle at one end and the cold flow path is provided with a baffle at an end remote therefrom.

5. A temperature controllable heat exchanger according to claim 3 wherein the legs are of the same height as adjacent legs.

6. The heat exchanger capable of controlling the temperature according to claim 1, wherein the thermostatic control device comprises a single chip microcomputer controller, a temperature acquisition circuit, a signal amplification conditioning circuit, an analog/digital conversion circuit, an LED display module and a function key input module, wherein the LED display module and the function key input module are respectively connected with the single chip microcomputer controller, the temperature acquisition module, the signal amplification conditioning circuit and the analog/digital conversion circuit are sequentially connected and are connected with the single chip microcomputer controller through the analog/digital conversion circuit, and the single chip microcomputer controller is respectively connected with the first fan and the second fan.

7. The temperature-controllable heat exchanger according to claim 6, wherein the function key module comprises a set key, a power on/off/confirm key, a temperature up-regulation key, and a temperature down-regulation key.