CN112462817A - Temperature control device for control and protection case - Google Patents
Temperature control device for control and protection case Download PDFInfo
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- CN112462817A CN112462817A CN202011232326.9A CN202011232326A CN112462817A CN 112462817 A CN112462817 A CN 112462817A CN 202011232326 A CN202011232326 A CN 202011232326A CN 112462817 A CN112462817 A CN 112462817A
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- temperature
- heat dissipation
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1917—Control of temperature characterised by the use of electric means using digital means
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the field of industrial control case temperature control, in particular to a control and protection case temperature control device, which comprises a temperature acquisition module, a central processing unit, a heat dissipation module and a storage module, wherein the temperature acquisition module, the central processing unit, the heat dissipation module and the storage module are connected with a power supply conversion module; the temperature acquisition module is used for acquiring temperature information inside and outside the case and sending the temperature information; the central processing unit is used for receiving the temperature information, analyzing the temperature information and issuing an execution instruction according to an analysis result; the heat dissipation module is used for receiving the execution instruction and outputting corresponding heat dissipation power according to the execution instruction; the storage module is connected with the central processing unit and used for storing time and temperature information of temperature exceeding the limit value and working data of the heat dissipation module. The central processing unit collects the temperature in the case and the ambient temperature through the temperature collection module, controls the heat dissipation power output of the heat dissipation module in real time, prolongs the service life and controls the case temperature within a proper range.
Description
Technical Field
The invention relates to the field of industrial control cabinet temperature control, in particular to a temperature control device for a control and protection cabinet.
Background
Industrial control cabinets are generally cabinets used in harsh environments. Noise and dust, etc. The machine mainboard part is divided into two parts, namely a bottom board and a CPU card. The industrial control cabinet has the advantages of extrusion resistance, corrosion resistance, dust resistance, vibration resistance and radiation resistance. The device is mainly used in the occasion with severe environment. Such as: navigation, power plants, chemical industry, mining plants, underground works, etc. The industrial control case is generally used for military, radio stations and television stations, and has the advantages of favorable heat dissipation, favorable expandability and favorable stability.
In the transformer substation, there is the defect in the design of accuse protection host computer machine case temperature controller, mainly shows in following three aspects:
the case is simple in temperature control, the heat of the case is dissipated by the aid of the heat dissipation fan in the front panel radiator of the case, the fan runs continuously without control, rotation speed adjustment cannot be performed according to the temperature in the case, the fan runs at a high speed for a long time and is easy to damage, and once the fan is damaged, the fan needs to be replaced in time, so that the maintenance workload of the control and protection host at ordinary times is large.
Disclosure of Invention
The present invention is directed to a temperature control device for a control and protection enclosure, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a temperature control device of a control and protection case comprises a temperature acquisition module, a central processing unit, a heat dissipation module and a storage module, wherein the temperature acquisition module, the central processing unit, the heat dissipation module and the storage module are connected with a power supply conversion module;
the temperature acquisition module is used for acquiring temperature information inside and outside the case and sending the temperature information;
the central processing unit is used for receiving the temperature information, analyzing the temperature information and issuing an execution instruction according to an analysis result;
the heat dissipation module is used for receiving the execution instruction and outputting corresponding heat dissipation power according to the execution instruction;
the storage module is connected with the central processing unit and used for storing time and temperature information of temperature exceeding the limit value and working data of the heat dissipation module.
As a further scheme of the invention: the temperature acquisition module comprises two temperature sensors arranged on the inner side and the outer side of the case, and the two temperature sensors respectively acquire the temperature of the inner side and the outer side of the case.
As a still further scheme of the invention: the heat dissipation module comprises a heat dissipation fan, and a fan dust filter screen is detachably mounted at an air inlet of the heat dissipation fan.
As a still further scheme of the invention: the fan dust filter screen is connected with the cooling fan through hand-screwed screws.
As a still further scheme of the invention: the storage module comprises a TF memory card, and the TF memory card is used for recording the time when the temperature exceeds the limit value, the temperature information and the rotating speed of the cooling fan.
As a still further scheme of the invention: the temperature control device of the control and protection case further comprises a real-time clock, and the real-time clock is connected with the central processing unit.
As a still further scheme of the invention: the real-time clock is also connected with a clock backup battery.
As a still further scheme of the invention: the temperature control device of the control and protection case also comprises a nixie tube display, and the nixie tube display is used for displaying the temperature in the case and the rotating speed of the cooling fan.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, the central processing unit collects the temperature in the case and the ambient temperature through the temperature collection module, the heat dissipation power output of the heat dissipation module is controlled in real time, so as to control the case temperature to be in a proper range, the practicability is strong, the storage module is used for storing the time when the temperature exceeds the limit value, the temperature information and the working data of the heat dissipation module, the follow-up analysis is convenient, and the better use effect is achieved.
Drawings
Fig. 1 is a block diagram of a temperature control device of a control and protection cabinet.
In the figure: 1-a central processing unit, 2-a temperature sensor, 3-a cooling fan, 4-a real-time clock, 5-TF memory card, 6-a digital tube display, 7-a clock backup battery, 8-a power supply conversion module and 9-a fan dust filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a temperature control device for a control and protection enclosure includes a temperature acquisition module connected to a power conversion module 8, a central processing unit 1, a heat dissipation module, and a storage module;
the temperature acquisition module is used for acquiring temperature information inside and outside the case and sending the temperature information;
the central processing unit 1 is used for receiving the temperature information, analyzing the temperature information and issuing an execution instruction according to an analysis result;
the heat dissipation module is used for receiving the execution instruction and outputting corresponding heat dissipation power according to the execution instruction;
the storage module is connected with the central processing unit 1 and used for storing time and temperature information of temperature exceeding the limit value and working data of the heat dissipation module.
In the embodiment of the invention, the central processing unit 1 acquires the temperature in the case and the ambient temperature through the temperature acquisition module, controls the heat dissipation power output of the heat dissipation module in real time to control the case temperature to be within a proper range, and has strong practicability.
In the embodiment of the present invention, the power conversion module 8 provides power for all the electric components in the device, in this embodiment, the power conversion module 8 is of a model of TPS62177, and certainly, power conversion modules 8 of other models may be adopted in a specific implementation process as long as a use requirement is met, which is not specifically limited in this application.
In the embodiment of the invention, the central processing unit 1 adopts an STM32F103C8T6 model processor.
As an embodiment of the present invention, the temperature acquisition module includes two temperature sensors 2 disposed inside and outside the chassis, and the two temperature sensors 2 respectively acquire the inside and outside temperatures of the chassis.
In the embodiment of the present invention, the two temperature sensors 2 are both sensors of DS18B20 type, and in the specific implementation process, the two temperature sensors 2 respectively detect the temperatures of the inner side and the outer side of the chassis, which mainly determines the temperature difference between the inner side and the outer side, so as to facilitate the subsequent control of the cpu 1 on the power output of the heat dissipation module.
As an embodiment of the present invention, the heat dissipation module includes a heat dissipation fan 3, and a fan dust filter 9 is detachably mounted at an air inlet of the heat dissipation fan 3.
In the embodiment of the invention, the heat dissipation treatment is realized by the rotation of the heat dissipation fan 3, and the rotating speed of the heat dissipation fan 3 is controlled by the central processing unit 1, so that the rotating speed of the heat dissipation fan 3 is ensured to be controlled according to the actual temperature of the case, the service life of the heat dissipation fan 3 can be prolonged, and the maintenance workload is reduced.
In the implementation of the present invention, the heat dissipation fan 3 is a FD128025EB-N heat dissipation fan.
As an embodiment of the present invention, the fan dust filter 9 is connected to the heat dissipation fan 3 by a hand screw.
In the embodiment of the invention, the fan dust filter screen 9 can effectively prevent external dust from entering the case, is fixed by hand-screwed screws, is convenient to replace and has strong practicability.
As an embodiment of the present invention, the storage module includes a TF storage card 5, and the TF storage card 5 is configured to record the time when the temperature exceeds the limit value, the temperature information, and the rotation speed of the cooling fan 3.
In the embodiment of the invention, the TF memory card 5 is arranged for data recording so as to facilitate the subsequent perfection of the device.
In the embodiment of the invention, the TF memory card 5 is of a KINGSTON256M model.
As an embodiment of the present invention, the temperature control device of the control and protection enclosure further includes a real-time clock 4, and the real-time clock 4 is connected to the central processing unit 1.
In the embodiment of the invention, the time is recorded by the arranged real-time clock 4, particularly when the temperature exceeds a set value.
As an embodiment of the present invention, the real-time clock 4 is further connected to a clock backup battery 7.
As an embodiment of the present invention, the device for controlling the temperature of the controlled and protected enclosure further comprises a nixie tube display 6, and the nixie tube display 6 is used for displaying the temperature in the enclosure and the rotating speed of the cooling fan 3.
The working principle of the invention is as follows:
the central processing unit 1 collects the temperature in the chassis and the ambient temperature through the temperature sensor 2, controls the rotating speed of the cooling fan 3 in real time, controls the chassis temperature to be in a proper range, displays the chassis temperature and the rotating speed of the fan on a digital tube display 6, and records the time when the temperature exceeds a limit value, temperature data and the rotating speed of the fan in a TF card storage card 5; the case temperature control device can control the rotating speed of the fan according to the ambient temperature, further control the temperature in the case and record and store the temperature over-limit value; the rotating speed of the cooling fan is controlled according to the actual temperature of the case, so that the rotating speed of the fan can be prolonged, and the maintenance workload is reduced; the dust filter screen device adopts hand-screwed screws, is convenient for replacing the filter screen, is widely suitable for controlling the temperature of control and protection cases of power plants, transformer substations and the like of power plants, and can also be applied to the temperature control of host cases in general industrial control.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A temperature control device of a control and protection case is characterized by comprising a temperature acquisition module, a Central Processing Unit (CPU) 1, a heat dissipation module and a storage module, wherein the temperature acquisition module is connected with a power supply conversion module 8;
the temperature acquisition module is used for acquiring temperature information inside and outside the case and sending the temperature information;
the central processing unit 1 is used for receiving the temperature information, analyzing the temperature information and issuing an execution instruction according to an analysis result;
the heat dissipation module is used for receiving the execution instruction and outputting corresponding heat dissipation power according to the execution instruction;
the storage module is connected with the central processing unit 1 and used for storing time and temperature information of temperature exceeding the limit value and working data of the heat dissipation module.
2. The temperature control device of claim 1, wherein the temperature acquisition module comprises two temperature sensors 2 disposed inside and outside the casing, and the two temperature sensors 2 respectively acquire the inside and outside temperatures of the casing.
3. The device as claimed in claim 1, wherein the heat dissipation module comprises a heat dissipation fan 3, and a fan dust filter 9 is detachably mounted at an air inlet of the heat dissipation fan 3.
4. The temperature control device of claim 3, wherein the fan dust filter 9 is connected to the heat dissipation fan 3 by hand screws.
5. The device as claimed in claim 3, wherein the storage module comprises a TF memory card 5, and the TF memory card 5 is used for recording the time when the temperature exceeds the limit value, the temperature information and the rotating speed of the cooling fan 3.
6. The temperature control device of claim 1, further comprising a real-time clock 4, wherein the real-time clock 4 is connected to the central processing unit 1.
7. The device as claimed in claim 6, wherein the real-time clock 4 is further connected to a clock backup battery 7.
8. The device for controlling the temperature of a controlled and protected cabinet according to claim 1, further comprising a nixie tube display 6, wherein the nixie tube display 6 is used for displaying the temperature in the cabinet and the rotating speed of the cooling fan 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011232326.9A CN112462817A (en) | 2020-11-06 | 2020-11-06 | Temperature control device for control and protection case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011232326.9A CN112462817A (en) | 2020-11-06 | 2020-11-06 | Temperature control device for control and protection case |
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| Publication Number | Publication Date |
|---|---|
| CN112462817A true CN112462817A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011232326.9A Pending CN112462817A (en) | 2020-11-06 | 2020-11-06 | Temperature control device for control and protection case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113797983A (en) * | 2021-09-13 | 2021-12-17 | 江苏拓米洛环境试验设备有限公司 | Door frame heating method, device and system of test box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196769A (en) * | 2006-12-06 | 2008-06-11 | 上海市闵行中学 | Intelligent control cooling method for cabinet inside |
| US20160077532A1 (en) * | 2012-07-27 | 2016-03-17 | Assa Abloy Ab | Setback controls based on out-of-room presence information |
| CN107121198A (en) * | 2017-05-10 | 2017-09-01 | 上海电力学院 | A kind of fan cooling control system gathered based on NRF905 non-contact temperatures |
| CN209118155U (en) * | 2018-11-07 | 2019-07-16 | 成都鸿堒电子机械有限公司 | A kind of intelligent temperature control cabinet |
| CN111867321A (en) * | 2019-12-31 | 2020-10-30 | 国网河南省电力公司检修公司 | Case temperature control device |
-
2020
- 2020-11-06 CN CN202011232326.9A patent/CN112462817A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196769A (en) * | 2006-12-06 | 2008-06-11 | 上海市闵行中学 | Intelligent control cooling method for cabinet inside |
| US20160077532A1 (en) * | 2012-07-27 | 2016-03-17 | Assa Abloy Ab | Setback controls based on out-of-room presence information |
| CN107121198A (en) * | 2017-05-10 | 2017-09-01 | 上海电力学院 | A kind of fan cooling control system gathered based on NRF905 non-contact temperatures |
| CN209118155U (en) * | 2018-11-07 | 2019-07-16 | 成都鸿堒电子机械有限公司 | A kind of intelligent temperature control cabinet |
| CN111867321A (en) * | 2019-12-31 | 2020-10-30 | 国网河南省电力公司检修公司 | Case temperature control device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113797983A (en) * | 2021-09-13 | 2021-12-17 | 江苏拓米洛环境试验设备有限公司 | Door frame heating method, device and system of test box |
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Application publication date: 20210309 |
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