WO2022032712A1 - 一种多参数控制器 - Google Patents

一种多参数控制器 Download PDF

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Publication number
WO2022032712A1
WO2022032712A1 PCT/CN2020/110487 CN2020110487W WO2022032712A1 WO 2022032712 A1 WO2022032712 A1 WO 2022032712A1 CN 2020110487 W CN2020110487 W CN 2020110487W WO 2022032712 A1 WO2022032712 A1 WO 2022032712A1
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Prior art keywords
casing
temperature
heat dissipation
parameter controller
threshold
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PCT/CN2020/110487
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English (en)
French (fr)
Inventor
苏小雨
杨洋
颜书法
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南京奇崛电子科技有限公司
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Publication of WO2022032712A1 publication Critical patent/WO2022032712A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20172—Fan mounting or fan specifications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20209—Thermal management, e.g. fan control

Definitions

  • the invention relates to the technical field of controllers, in particular to a multi-parameter controller.
  • the Chinese Patent Publication No. CN110888372A discloses a multi-parameter adaptive burner controller, which includes a burner controller body, a first movable splint, a straight rack, a first rotating gear, a connecting rotating rod, a second movable splint, Anti-skid pad, sponge pad, slide bar, slide rail, support frame, second rotating gear, baffle, pull block, pull rod, center hole, first spring block, compression spring, second spring block, slider and flame detection
  • the back of the burner controller body is fixed with a support frame by screws, a first movable splint is set on one side of the top of the support frame, and a second movable splint is set on the other side of the top of the support frame, and the second movable splint is located in the first movable splint.
  • the multi-parameter adaptive burner controller can be multi-parameter adaptive control, which is convenient for users to use.
  • the flame detector body can detect the combustion flame. If there is no flame, it can be stopped, which is conducive to protection. Operator safety.
  • the technical problem to be solved by the present invention is that the electronic components will emit a lot of heat when they work for a long time, and the heat accumulation in the controller will easily affect the normal operation of the electronic components, and even damage the electronic components, which will affect the normal use and shorten the control period. service life of the appliance.
  • the present invention provides a multi-parameter controller, including a casing, an operation panel and an interface board.
  • a heat dissipation port is opened on one side wall of the casing along the width direction of the operation panel, and the casing is along the width direction of the operation panel.
  • An exhaust fan corresponding to the position of the heat dissipation port is arranged on the other side wall of the heat dissipation port, and a cover plate for opening and closing itself is slidably connected to the heat dissipation port along the length direction of the operation panel.
  • the rack is arranged along the sliding direction of the cover plate, a motor is also arranged in the casing, and the output shaft of the motor is coaxially connected with a gear that meshes with the rack.
  • the casing is also provided with an automatic heat dissipation device.
  • the temperature detection device is used to detect the temperature inside the casing in real time and output the detection value
  • the threshold judgment device coupled to the temperature detection device, presets a maximum temperature threshold for accepting the detection value and comparing the detection value with the maximum temperature threshold, and outputting an over-temperature signal when the detection value is higher than the maximum temperature threshold;
  • an exhaust fan coupled to the threshold judging device, for exhausting the interior of the housing in response to the over-temperature signal
  • the motor coupled to the threshold judgment device, rotates the gear in response to the over-temperature signal.
  • the internal temperature of the controller is detected in real time through the temperature detection device, and the detected value is compared with the maximum temperature threshold through the threshold judgment device.
  • the threshold judgment device sends the motor and the exhaust fan to the motor and the exhaust fan.
  • Send an over-temperature signal the motor rotates the gear in response to the over-temperature signal, and the rotation of the gear drives the rack and the cover to slide linearly, so that the heat dissipation port is in an open state, and at the same time, the exhaust fan responds to the over-temperature signal.
  • the air is exhausted inside, and the exhaust fan exhausts the air from the heat dissipation port, so that the heat inside the casing is dissipated outward through the exhaust air, so that the temperature inside the casing can be lowered, so that the entire multi-parameter controller has a temperature within its own internal temperature.
  • the two side walls of the casing along the width direction of the operation panel are provided with heat dissipation ports, and the two heat dissipation ports are arranged staggered from each other in the width direction of the casing, and the cover plate and the rack are also set in two correspondingly.
  • the racks are symmetrically meshed and arranged on both sides of the gear along the width direction of the housing.
  • exhaust fans are provided on both side walls of the casing along the width direction of the operation panel, and the two rows of fans are arranged in a one-to-one correspondence with the two cooling ports in the width direction of the casing.
  • the length of the heat dissipation port is set to be equal to half of the length of the corresponding side wall.
  • the rotation axis of the gear is set to coincide with the central axis in the thickness direction of the operation panel.
  • the temperature detection device is set as a DS18B20 temperature sensor.
  • the threshold judgment device is set as the LM339 comparator.
  • the ventilation area of the entire casing is larger, so that more air volume can be blown out from the inside of the casing, so that more air can be removed.
  • the heat enhances the heat dissipation effect of the entire automatic heat dissipation device.
  • the interior of the casing is transparent along its width direction, so that the internal air can flow freely and smoothly, which is more conducive to the dissipation of heat inside the casing. , to further enhance the cooling effect of the automatic cooling device;
  • the positions of the gears and the two racks are set, so that only one motor and one gear are required to drive the two racks at the same time, thereby driving the two cover plates to slide.
  • the internal structure of the whole controller is simpler, which greatly saves the internal space, so that the interior will not accumulate heat due to overcrowding. practicality;
  • the temperature detection device due to the structural characteristics of the DS18B20 temperature sensor, the temperature detection device has the advantages of small size and simple use method, and also makes the anti-interference ability of the temperature detection device stronger, so that external factors can affect the temperature detection.
  • the influence of the device is smaller, and the detection accuracy of the entire temperature detection device is improved; due to the characteristics of the LM339 comparator, the entire threshold judgment device has the advantages of fast judgment, and makes the working power supply voltage range wider, with single power supply and dual power supply.
  • the advantage of the power supply can be used.
  • Fig. 1 is the overall structure schematic diagram of the present invention
  • Fig. 2 is the structural representation of the cover plate of the present invention.
  • Fig. 3 is the structural schematic diagram of the rack of the present invention.
  • Fig. 4 is the principle block diagram of the automatic cooling device of the present invention.
  • FIG. 5 is a circuit diagram of the automatic heat dissipation device of the present invention.
  • FIGS. 1 to 5 The structure of a multi-parameter controller provided in this embodiment is shown in FIGS. 1 to 5 , and includes a casing 1.
  • An operation panel 2 is provided on one side of the casing 1 along its own thickness direction, and the casing 1 is along its own length direction.
  • An interface board 3 is arranged on one side of the casing 1, and a DS18B20 temperature sensor 10 is also arranged inside the casing 1.
  • the two side walls of the casing 1 along its own width direction are provided with heat dissipation ports 4, and the two heat dissipation ports 4 are located on the side of the casing 1.
  • the width direction is staggered from each other, and the length of the heat dissipation port 4 is set to be equal to one half of the length of the corresponding side wall.
  • the two inner walls of the casing 1 along its own width direction are provided with exhaust fans 5, and the two exhaust fans 5 are located in the casing.
  • the width direction 1 is arranged to correspond to the two heat dissi
  • the two cooling ports 4 are provided with cover plates 6 for opening and closing themselves.
  • the cover plates 6 are slidably connected to the cooling ports 4 along the length direction of the casing 1 .
  • a rack 7 is vertically fixed on one side, the rack 7 is arranged on the side away from the operation panel 2 , and the rack 7 is arranged along the sliding direction of the cover plate 6 , and the length of the rack 7 is also set to be greater than the length of the corresponding cover plate 6 .
  • the length of the casing 1 is also provided with a motor 8.
  • the output shaft of the motor 8 is coaxially connected with a gear 9 that meshes with the rack 7.
  • the two racks 7 are symmetrically meshed with the gear 9 along the width direction of the casing 1. On both sides of the gear 9, the rotation axis of the gear 9 is arranged to coincide with the central axis of the casing 1 in the thickness direction.
  • the DS18B20 temperature sensor 10 detects the temperature in the housing 1 of the multi-parameter controller and outputs the detected value.
  • the DS18B20 temperature sensor 10 is connected with a comparator, and the comparator outputs an over-temperature signal when the detected value exceeds the maximum temperature threshold, wherein the detected value And the maximum temperature threshold is set to voltage analog, and the over-temperature signal is set to high level.
  • the comparator is connected with a normally open contact relay, the normally open contact of the normally open contact relay is connected in the circuit where the exhaust fan 5 is located, and the exhaust fan 5 and the motor 8 are connected in series in the same circuit.
  • the comparator is set as an LM339 comparator, the non-inverting input of the comparator inputs a reference voltage, that is, the maximum temperature threshold, the inverting input of the comparator is coupled to the DS18B20 temperature sensor 10, and the output of the comparator is coupled to the timing circuit,
  • the timing circuit includes a counter, a register and a crystal oscillator.
  • the output end of the timing circuit is coupled to the gate of the MOS tube, and the source and drain of the MOS tube are respectively coupled to both ends of the loop where the coil of the normally open contact relay is located.
  • the coil of the contact relay is connected with a freewheeling diode in parallel, and the normally open contact of the normally open contact relay is coupled to the circuit where the exhaust fan 5 and the motor 8 are located.
  • the DS18B20 temperature sensor 10 detects the temperature in the housing 1 of the multi-parameter controller in real time.
  • the detected value is less than the maximum temperature threshold, so the LM339 comparator outputs a low level,
  • the gate of the MOS tube is at a low level, so the MOS tube is not conducting, there is no current in the coil of the normally open contact relay, the normally open contact remains disconnected, and the exhaust fan 5 and the motor 8 do not work.
  • the temperature in the housing 1 of the multi-parameter controller is higher than the maximum temperature threshold, so the LM339 comparator outputs a high level, and the gate of the MOS tube is at a high level. There is current flowing through the coil, so the normally open contact is closed at this time, and the exhaust fan 5 and the motor 8 start to work at the same time.
  • the gear 9 When the motor 8 is working, the gear 9 is rotated, and the rotation of the gear 9 drives the racks 7 and the cover plate 6 on both sides to slide linearly, so that the heat dissipation ports 4 on both sides are in an open state, and the exhaust fan 5 also starts to work. , the interior of the casing 1 is exhausted, and the exhaust fan 5 discharges the air from the heat dissipation port 4, so as to dissipate the heat inside the casing 1 to the outside through the exhaust air, so that the temperature inside the casing 1 can be lowered, so that the The entire multi-parameter controller has the advantage of automatically cooling down when its own internal temperature is too high.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

本发明公开了一种多参数控制器，涉及控制器技术领域，通过温度检测装置对控制器的内部温度进行实时检测，并通过阈值判断装置将检测值与最高温度阈值进行比较，当壳体内的温度超过最高温度阈值时，阈值判断装置向电机以及排风扇发送超温信号，电机响应于超温信号对齿轮进行转动，齿轮的转动带动齿条以及遮盖板进行线性滑移，使得散热口处于打开状态，与此同时排风扇响应于超温信号对壳体的内部进行排风，排风扇将风从散热口进行排出，从而将壳体内部的热量通过排风向外散去，以使得壳体内部的温度得以下降，使得整个多参数控制器具有在自身内部温度过高时自动进行降温的优点。

Description

一种多参数控制器 技术领域
本发明涉及控制器技术领域，特别是涉及一种多参数控制器。
背景技术
近年来，在化工生产过程中，设备间的互相影响正在显著增加，因此一个操作变量会影响到许多控制变量，再者一个控制变量也能支配受许多操作变量影响的，作为多参数系统的整个控制过程，想要在控制过程中消除影响，必须同时把许多参数综合起来加以控制，这样的控制方式就是多参数控制。
公开号为CN110888372A的中国专利公开了一种多参数自适应燃烧器控制器，包括燃烧器控制器本体、第一活动夹板、直齿条、第一转动齿轮、连接转动杆、第二活动夹板、防滑垫、海绵垫、滑杆、滑轨、支撑架、第二转动齿轮、挡板、拉块、拉杆、中心孔、第一弹簧块、压缩弹簧、第二弹簧块、滑块和火焰检知器本体，燃烧器控制器本体背面通过螺丝固定有支撑架，支撑架顶部一侧设置有第一活动夹板，支撑架顶部另一侧设置有第二活动夹板，且第二活动夹板位于第一活动夹板一侧，该多参数自适应燃烧器控制器燃烧器控制器本体可以多参数自适应控制，方便用户使用，火焰检知器本体可以检测燃烧火焰，如无火焰即可停止使用，有利于保护操作人员安全。
由于该控制器内设置有大量的电子元件，这些电子元器件长期工作时会发出大量的热量，热量在控制器内部积蓄容易影响电子元器件的正常工作，甚至损害电子元器件，影响正常使用的同时也缩短了控制器的使用寿命。
发明内容
本发明所要解决的技术问题是电子元器件长期工作时会发出大 量的热量，热量在控制器内部积蓄容易影响电子元器件的正常工作，甚至损害电子元器件，影响正常使用的同时也缩短了控制器的使用寿命。
为了解决以上技术问题，本发明提供一种多参数控制器，包括壳体、操作面板以及接口板，壳体沿操作面板宽度方向的一侧壁上开设有散热口，壳体沿操作面板宽度方向的另一侧壁上设置有与散热口位置相对应的排风扇，散热口上沿操作面板长度方向滑移连接有用于启闭自身的遮盖板，遮盖板沿壳体厚度方向的一侧垂直固定有齿条，且齿条沿遮盖板的滑移方向设置，壳体内还设置有电机，电机的输出轴上同轴连接有与齿条相啮合的齿轮，壳体内还设置有自动散热装置，自动散热装置包括
温度检测装置，用于实时对壳体内部的温度进行检测，并输出检测值；
阈值判断装置，耦接于温度检测装置，预设有一最高温度阈值，用于接受检测值并将检测值与最高温度阈值比较，当检测值高于最高温度阈值时输出超温信号；
排风扇，耦接于阈值判断装置，响应于超温信号对壳体的内部进行排风；
电机，耦接于阈值判断装置，响应于超温信号对齿轮进行转动。
技术效果：通过温度检测装置对控制器的内部温度进行实时检测，并通过阈值判断装置将检测值与最高温度阈值进行比较，当壳体内的温度超过最高温度阈值时，阈值判断装置向电机以及排风扇发送超温信号，电机响应于超温信号对齿轮进行转动，齿轮的转动带动齿条以及遮盖板进行线性滑移，使得散热口处于打开状态，与此同时排风扇响应于超温信号对壳体的内部进行排风，排风扇将风从散热口进行排 出，从而将壳体内部的热量通过排风向外散去，以使得壳体内部的温度得以下降，使得整个多参数控制器具有在自身内部温度过高时自动进行降温的优点。
本发明进一步限定的技术方案是：
进一步的，壳体沿操作面板宽度方向的两侧壁上均开设有散热口，且两散热口在壳体的宽度方向上相互错开设置，所述遮盖板和齿条也对应地设置为两个，且齿条沿壳体的宽度方向对称啮合设置于齿轮的两侧。
前所述的一种多参数控制器，壳体沿操作面板宽度方向的两侧壁上均设置有排风扇，且两排风扇在壳体的宽度方向上设置为与两个散热口一一对应。
前所述的一种多参数控制器，散热口的长度设置为等于对应侧壁长度的二分之一。
前所述的一种多参数控制器，齿轮的转动轴设置为与操作面板厚度方向的中心轴相互重合。
前所述的一种多参数控制器，温度检测装置设置为DS18B20温度传感器。
前所述的一种多参数控制器，阈值判断装置设置为LM339比较器。
本发明的有益效果是：
(1)本发明中，散热口以及排风扇均设置对称的设置为两个，一方面使得整个壳体的通风面积更大，使得更多的风量可以从壳体内部吹出，从而可以排除更多的热量，加强了整个自动散热装置的散热效果，另一方面使得壳体的内部沿自身宽度方向是通透的，从而使得内部的空气可以流畅地自由流动，从而更加有利于壳体内部热量的散发，进一步加强自动散热装置的散热效果；
(2)本发明中，齿轮以及两个齿条的位置设置，使得只需设置一个电机以及一个齿轮就可以同时对两个齿条进行驱动，从而带动两个遮盖板进行滑移，一方面使得整个控制器的内部结构更加简单，大大节约了内部空间，使得内部不会由于过分拥挤而造成热量的堆积，另一方面也使得两侧的散热口可以同步进行开启或者关闭，加强了自动散热装置的实用性；
(3)本发明中，由于DS18B20温度传感器的自身结构特性，使得温度检测装置具有体积小、使用方法简单的优点，而且还使得温度检测装置的抗干扰能力更强，从而使得外界因素对于温度检测装置的影响更小，提高了整个温度检测装置的检测精度；由于LM339比较器的自身特性，使得整个阈值判断装置具有判断速度快的优点，并且使得工作电源电压范围更宽，具有单电源和双电源均可使用的优点。
附图说明
图1为本发明的整体结构示意图；
图2为本发明遮盖板的结构示意图；
图3为本发明齿条的结构示意图；
图4为本发明自动散热装置的原理框图；
图5为本发明自动散热装置的电路图。
其中：1、壳体；2、操作面板；3、接口板；4、散热口；5、排风扇；6、遮盖板；7、齿条；8、电机；9、齿轮；10、DS18B20温度传感器。
具体实施方式
本实施例提供的一种多参数控制器，结构如图1至图5所示，包括壳体1，壳体1沿自身厚度方向的一侧面设置有操作面板2，壳体1沿自身长度方向的一侧面设置有接口板3，壳体1内部还 设置有DS18B20温度传感器10，壳体1沿自身宽度方向的两侧壁上均开设有散热口4，且两散热口4在壳体1的宽度方向上相互错开设置，同时散热口4的长度设置为等于对应侧壁长度的二分之一，壳体1沿自身宽度方向的两内壁上均设置有排风扇5，且两排风扇5在壳体1的宽度方向上设置为与两个散热口4一一对应。
两散热口4上均设置有用于启闭自身的遮盖板6，遮盖板6沿壳体1的长度方向滑移连接于滑移连接于散热口4上，遮盖板6沿壳体1厚度方向的一侧垂直固定有齿条7，齿条7设置于背离操作面板2的一侧，且齿条7沿遮盖板6的滑移方向设置，齿条7的长度还设置为大于对应遮盖板6的长度，壳体1内还设置有电机8，电机8的输出轴上同轴连接有与齿条7相啮合的齿轮9，两个齿条7沿壳体1的宽度方向对称啮合设置于齿轮9的两侧，齿轮9的转动轴设置为与壳体1厚度方向的中心轴相互重合。
DS18B20温度传感器10对多参数控制器的壳体1内的温度进行检测并输出检测值，DS18B20温度传感器10连接有比较器，比较器在检测值超过最高温度阈值时输出超温信号，其中检测值和最高温度阈值设置为电压模拟量，超温信号设置为高电平。比较器连接有常开触点继电器，常开触点继电器的常开触点连接于排风扇5所在的回路中，且排风扇5与电机8串联于同一回路中。
比较器设置为LM339比较器，比较器的同相输入端输入一基准电压，即最高温度阈值，比较器的反相输入项耦接于DS18B20温度传感器10，比较器的输出端耦接于计时电路，计时电路包括计数器、寄存器以及晶振，计时电路的输出端耦接于MOS管的栅极，MOS管的源极和漏极分别耦接于常开触点继电器的线圈所在 回路的两端，常开触点继电器的线圈并联有续流二极管，常开触点继电器的常开触点耦接于排风扇5和电机8所在的回路。
当多参数控制器进行工作时，DS18B20温度传感器10实时对多参数控制器的壳体1内的温度进行检测，当温度正常时，检测值小于最高温度阈值，所以LM339比较器输出低电平，此时MOS管的栅极为低电平，所以MOS管不导通，常开触点继电器的线圈中没有电流，常开触点保持断开状态，排风扇5和电机8不进行工作。
多参数控制器的壳体1内的温度高于最高温度阈值，所以LM339比较器输出高电平，此时MOS管的栅极为高电平，此时MOS管导通，常开触点继电器的线圈中有电流流过，所以此时常开触点闭合，排风扇5和电机8同时开始进行工作。
电机8工作时对齿轮9进行转动，齿轮9的转动带动两侧的齿条7以及遮盖板6进行线性滑移，使得两侧的散热口4均处于打开状态，与此同时排风扇5也开始工作，对壳体1的内部进行排风，排风扇5将风从散热口4进行排出，从而将壳体1内部的热量通过排风向外散去，以使得壳体1内部的温度得以下降，使得整个多参数控制器具有在自身内部温度过高时自动进行降温的优点。
除上述实施例外，本发明还可以有其他实施方式。凡采用等同替换或等效变换形成的技术方案，均落在本发明要求的保护范围。

Claims (8)

  1. 一种多参数控制器，包括壳体(1)、操作面板(2)以及接口板(3)，其特征在于：所述壳体(1)沿操作面板(2)宽度方向的一侧壁上开设有散热口(4)，壳体(1)沿操作面板(2)宽度方向的另一侧壁上设置有与散热口(4)位置相对应的排风扇(5)，散热口(4)上沿操作面板(2)长度方向滑移连接有用于启闭自身的遮盖板(6)，遮盖板(6)沿壳体(1)厚度方向的一侧垂直固定有齿条(7)，且齿条(7)沿遮盖板(6)的滑移方向设置，壳体(1)内还设置有电机(8)，电机(8)的输出轴上同轴连接有与齿条(7)相啮合的齿轮(9)，壳体(1)内还设置有自动散热装置，自动散热装置包括
    温度检测装置，用于实时对壳体(1)内部的温度进行检测，并输出检测值；
    阈值判断装置，耦接于温度检测装置，预设有一最高温度阈值，用于接受检测值并将检测值与最高温度阈值比较，当检测值高于最高温度阈值时输出超温信号；
    排风扇(5)，耦接于阈值判断装置，响应于超温信号对壳体(1)的内部进行排风；
    电机(8)，耦接于阈值判断装置，响应于超温信号对齿轮(9)进行转动。
  2. 根据权利要求1所述的一种多参数控制器，其特征在于：所述壳体(1)沿操作面板(2)宽度方向的两侧壁上均开设有散热口(4)，且两散热口(4)在壳体(1)的宽度方向上相互错开设置，所述遮盖板(6)和齿条(7)也对应地设置为两个，且齿条(7)沿壳体(1)的宽度方向对称啮合设置于齿轮(9)的两侧。
  3. 根据权利要求2所述的一种多参数控制器，其特征在于：所述壳体(1)沿操作面板(2)宽度方向的两侧壁上均设置有排风扇(5)，且两排风扇(5) 在壳体(1)的宽度方向上设置为与两个散热口(4)一一对应。
  4. 根据权利要求3所述的一种多参数控制器，其特征在于：所述散热口(4)的长度设置为等于对应侧壁长度的二分之一。
  5. 根据权利要求2所述的一种多参数控制器，其特征在于：所述齿轮(9)的转动轴设置为与操作面板(2)厚度方向的中心轴相互重合。
  6. 根据权利要求2所述的一种多参数控制器，其特征在于：所述齿条(7)的长度设置为大于对应遮盖板(6)的长度。
  7. 根据权利要求1所述的一种多参数控制器，其特征在于：所述温度检测装置设置为DS18B20温度传感器(10)。
  8. 根据权利要求1所述的一种多参数控制器，其特征在于：所述阈值判断装置设置为LM339比较器。
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