WO2022021380A1 - 温控器及供热通风与空气调节控制系统 - Google Patents

温控器及供热通风与空气调节控制系统 Download PDF

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Publication number
WO2022021380A1
WO2022021380A1 PCT/CN2020/106340 CN2020106340W WO2022021380A1 WO 2022021380 A1 WO2022021380 A1 WO 2022021380A1 CN 2020106340 W CN2020106340 W CN 2020106340W WO 2022021380 A1 WO2022021380 A1 WO 2022021380A1
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Prior art keywords
processor unit
operation panel
thermostat
display screen
capacitive
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PCT/CN2020/106340
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English (en)
French (fr)
Inventor
朱云云
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西门子瑞士有限公司
西门子(中国)有限公司
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Application filed by 西门子瑞士有限公司, 西门子(中国)有限公司 filed Critical 西门子瑞士有限公司
Priority to PCT/CN2020/106340 priority Critical patent/WO2022021380A1/zh
Priority to CN202121430676.6U priority patent/CN216467242U/zh
Publication of WO2022021380A1 publication Critical patent/WO2022021380A1/zh

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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B15/00Systems controlled by a computer
    • G05B15/02Systems controlled by a computer electric

Definitions

  • the utility model relates to a temperature controller, in particular to a temperature controller used for a heating ventilation and air conditioning control system.
  • the present invention also relates to a heating ventilation and air conditioning control system including the above temperature controller.
  • Thermostats are components of heating ventilation and air conditioning control systems (HVAC).
  • HVAC heating ventilation and air conditioning control systems
  • Thermostats are used to sense various parameters of the HVAC system (eg, temperature and humidity) and control the HVAC system so as to maintain the parameters at set values.
  • the sensor automatically turns on the screen when it senses someone is operating.
  • Current thermostats usually use photoelectric proximity sensors, which have a small sensing range and are unfavorable for layout.
  • FIG. 1 is a schematic structural diagram of an exemplary embodiment of a thermostat.
  • FIG. 2 is a schematic cross-sectional view of the thermostat in FIG. 1 at the position II-II.
  • FIG. 3 is a schematic diagram of the connection of the thermostat.
  • FIG. 4 is a schematic front perspective view of the thermostat.
  • FIG. 1 is a schematic structural diagram of an exemplary embodiment of a thermostat.
  • FIG. 2 is a schematic cross-sectional view of the thermostat in FIG. 1 at the position II-II. 1 and 2 , the thermostat includes a housing 10 , a display screen 20 , a capacitive proximity sensor and a processor unit 40 .
  • the casing 10 has an operation panel 12 on which keys and the like for operating the thermostat are provided.
  • the display screen 20 is provided on the operation panel 12 and is used for displaying data.
  • FIG. 3 is a schematic diagram of the connection of the thermostat. 2 and 3 , the capacitive proximity sensor includes a detection electrode 30 and a signal conversion circuit 42 .
  • FIG. 4 is a schematic front perspective view of the thermostat. 2 and 4 , the detection electrode 30 is a conductor with a suitable shape, such as a copper sheet, which is disposed on the inner surface of the operation panel 12 and is disposed on the operation panel 12 where human hands may operate. When an object approaches the operation panel 12 , the capacitance to ground of the detection electrode 30 changes and a proximity signal is generated.
  • the signal conversion circuit 42 is disposed in the casing 10 and connected to the detection electrode 30 .
  • the signal conversion circuit 42 includes a multi-vibration oscillation circuit, a low-pass filter circuit, a shaping comparison circuit, etc.
  • the multi-vibration oscillation circuit receives and converts the proximity signal, and then transmits it to the shaping and comparison circuit for processing as a switch signal after being processed by the low-pass filter circuit.
  • the number of the detection electrodes 30 is one in the exemplary embodiment, it is not limited thereto, and the number of the detection electrodes 30 can be changed according to actual needs in other exemplary embodiments.
  • the processor unit 40 is an MSP430 series single-chip microcomputer, which is arranged in the casing 10 and connected to the display screen 20 .
  • the processor unit 40 can control the ventilation and air conditioning control system according to a preset parameter (such as temperature and humidity, etc.), and the processor unit 40 can turn on the display screen 20 and display the preset parameters (including but not limited to) when receiving the switch signal. temperature parameters shown in FIG. 1 ), and the display screen 20 is turned off after a period of time when no switching signal is received.
  • the MSP430 series single-chip microcomputer integrates CapTIvate touch technology, and the built-in signal conversion circuit 42 can reduce the cost and simplify the circuit layout, and also help to improve the detection accuracy. In other exemplary implementations, other types of processor units may also be selected according to actual conditions.
  • the temperature controller provided by the present invention can detect whether there is an object close to the operation panel 12 through the capacitive proximity sensor.
  • the detection electrode 30 can be flexibly arranged on the inner surface of the operation panel 12 according to the needs, and the detection range is larger and the sensitivity is higher. . Moreover, setting the detection electrode 30 does not require changing the appearance structure of the casing 10, which is easier to design.
  • the thermostat further includes a key circuit board 50 and six capacitive keys 60 .
  • the key circuit board 50 is attached to the inner surface of the operation panel 12 .
  • the capacitive button 60 is disposed on the side of the button circuit board 50 that is attached to the operation panel 12 .
  • the capacitive button 60 is connected to the processor unit 40 , and the processor unit 40 can adjust preset parameters according to the triggering of the capacitive button 60 . Since the processor unit 40 adopts the MSP430 series single chip integrated with CapTIvate touch technology, the touch operation has higher reliability and lower power consumption.
  • the waterproof and dustproof capability of the thermostat can be improved by adopting the operation mode of touch keys, and it is more beautiful.
  • the number of capacitive buttons 60 can be increased or decreased according to actual needs.
  • capacitive buttons 60 are evenly arranged along the edge of a circle.
  • the processor unit 40 can adjust the value of the preset parameter according to the trigger sequence of the capacitive buttons 60 .
  • a number of evenly arranged capacitive buttons 60 constitute a touch roulette, and the value of the preset parameters of the thermostat can be adjusted by sliding a finger on the roulette, which is convenient for operation and improves the hand feeling.
  • the number of capacitive keys 60 may be appropriately increased or decreased according to different requirements for operation accuracy.
  • the operation panel 12 is formed with a circular recess 13 on the outer surface.
  • the circular recess 13 is gradually recessed from the circumferential edge to the center of the circle.
  • Several capacitive buttons 60 are connected to the circular recess.
  • the inner sides of the circumferential edges of 13 are opposite. In this way, the finger can position the touch wheel by touching the edge of the circular recess 13, which makes the operation process more precise.
  • the operation panel 12 is provided with evenly arranged scale lines 14 on the inner side of the circumferential edge of the circular recess 13 . The finger can improve the accuracy of the operation by comparing the scale line 14 during operation.
  • the depression 13 may also be a non-circular sinking shape, for example, the outer edge of the depression 13 may be a triangle, a quadrangle, a pentagon, a hexagon, an ellipse, a pentagram or other suitable shapes.
  • the depression 13 is a gradual depression.
  • the depression 13 may also be a stepped depression, and may be a multi-step stepped depression.
  • the operation panel 12 has a light-transmitting display portion 15 .
  • the thermostat further includes an indicator light 70 , which is arranged in the casing 10 and is opposite to the display part 15 .
  • the indicator light 70 is connected to the processor unit 40 and can be turned on or off under the control of the processor unit 40 . Through the light of the indicator light 70 penetrating the display part 15, the running state of the thermostat can be indicated more abundantly, and at the same time, the waterproof and dustproof capability and aesthetics are also ensured.
  • the utility model also provides a heating ventilation and air conditioning control system, including the above temperature controller.

Abstract

一种温控器,包括壳体(10)、显示屏(20)、电容式接近传感器及处理器单元(40)。壳体(10)具有操作面板(12),显示屏(20)设置于操作面板(12)。电容式接近传感器包括检测电极(30)和信号转化电路(42),检测电极(30)设置于操作面板(12)的内表面,在有物体接近操作面板(12)时生成接近信号。信号转化电路(42)设置于壳体(10)并能够将接近信号转化为开关信号。处理器单元(40)连接显示屏(20),处理器单元(40)能够控制通风与空气调节控制系统,处理器单元(40)能够在接收到开关信号时开启显示屏(20)并显示预设参数,并且在未接收到开关信号持续一段时间后关闭显示屏(20)。温控器能够灵敏地感测到有人操作并自动开启屏幕。

Description

温控器及供热通风与空气调节控制系统 技术领域
本实用新型涉及一种温控器,尤其是一种用于供热通风与空气调节控制系统的温控器。另外本实用新型还涉及包括上述温控器的供热通风与空气调节控制系统。
背景技术
温控器是供热通风与空气调节控制系统(HVAC)的部件。温控器用于感测HVAC系统的各项参数(例如温度和湿度)并控制HVAC系统,以便将参数维持在设定值。温控器上具有用于显示HVAC系统的温度或其他参数的显示屏,如果显示屏一直为开启的状态会持续耗电,因此温控器会在未使用时关闭显示屏以节约能源,并且通过传感器在感测到有人操作时自动开启屏幕。目前的温控器通常采用光电式接近传感器,感测范围小且不利于布置。
附图说明
图1为温控器的一种示意性实施方式的结构示意图。
图2为图1中的温控器在II-II位置剖视示意图。
图3为温控器的连接示意图。
图4为温控器的正面透视示意图。
标号说明
10 壳体
12 操作面板
13 圆形凹陷
14 刻度线
具体实施方式
为了对实用新型的技术特征、目的和效果有更加清楚的理解,现对照附图说明本实用新型的具体实施方式,在各图中相同的标号表示结构相同或结构相似但功能相同的部件。
在本文中,“示意性”表示“充当实例、例子或说明”,不应将在本文中被描述为“示意性”的任何图示、实施方式解释为一种更优选的或更具优点的技术方案。
为使图面简洁,各图中只示意性地表示出了与本实用新型相关的部分,它们并不代表其作为产品的实际结构。
图1为温控器的一种示意性实施方式的结构示意图。图2为图1中的温控器在II-II位置剖视示意图。参照图1和图2,温控器,包括一个壳体10、一个显示屏20、一个电容式接近传感器及一个处理器单元40。
壳体10具有一个操作面板12,操作面板上设置有用于操作温控器的按键等。显示屏20设置于操作面板12并用于显示数据。
图3为温控器的连接示意图。参照图2和图3,电容式接近传感器包括一个检测电极30和一个信号转化电路42。图4为温控器的正面透视示意图。参照图2和图4,检测电极30为形状合适的导体,例如是铜皮,其设置于操作面板12的内表面并且布置于操作面板12上可能出现人手进行操作的区域。在有物体接近操作面板12时检测电极30的对地电容产生变化并生成一个接近信号。信号转化电路42设置于壳体10内并连接检测电极30。信号转化电路42包括多谐振荡电路、低通滤波电路及整形比较电路等,多谐振荡电路接收接近信号并转化,再经过低通滤波电路的处理后传输至整形比较电路处理为一个开关信号。虽然在示意性实 施方式中检测电极30的数量为一个,然而并不限于此,在其他示意性实施方式中检测电极30的数量可以根据实际需求更改。
参照图2和图3,处理器单元40为MSP430系列单片机,其设置于壳体10内并连接显示屏20。处理器单元40能够根据一个预设参数(例如温度和湿度等)控制通风与空气调节控制系统,处理器单元40能够在接收到开关信号时开启显示屏20并显示预设参数(包括但不限于图1中所示的温度参数),并且在未接收到开关信号持续一段时间后关闭显示屏20。MSP430系列单片机集成有CapTIvate触摸技术,内置的信号转化电路42可以降低成本并简化电路布置,同时还有助于提高检测的精度。在其他示意性实施方式中,也可以根据实际情况选用其他型号的处理器单元。
本实用新型提供的温控器,能够通过电容式接近传感器检测是否有物体靠近操作面板12,检测电极30可以根据需要灵活地布置于操作面板12的内表面,检测的范围更大且灵敏度更高。并且设置检测电极30不需要改变壳体10的外观结构,更加易于设计。
在示意性实施方式中,参照图2和图4,温控器还包括一个按键电路板50及六个电容式按键60。按键电路板50贴合于操作面板12的内表面。电容式按键60设置于按键电路板50贴合于操作面板12的一面,电容式按键60连接处理器单元40,处理器单元40能够根据电容式按键60的触发调整预设参数。由于处理器单元40采用集成有CapTIvate触摸技术的MSP430系列单片机,使触摸操作具有更高的可靠性和更低的功耗。通过采用触摸按键的操作方式可以提高温控器防水防尘的能力,并且更加美观。在示意性实施方式中,电容式按键60的数量可以根据实际需求进行增减。
在示意性实施方式中,参照图4,数个电容式按键60沿一个圆形的边缘均匀布置。处理器单元40能够根据数个电容式按键60的触发顺序调整预设参数的数值大小。均匀布置的数个电容式按键60构成触摸式轮盘,手指在轮盘上滑动即可调整温控器的预设参数的数值大小,在方便操作的同时提升手感。在示意性实施方式中,电容式按键60的数量可以根据对操作精度的不同要求进行适当增减。
在示意性实施方式中,参照图2和图4,操作面板12在外表面形成有一个圆形凹陷13,圆形凹陷13由周向边缘向圆心逐渐凹陷,数个电容式按键60与圆形凹陷13的周向边缘的内侧相对。借此手指可以通过触摸圆形凹陷13边缘定位触摸式轮盘,使操作过程更加精确。参照图4,操作面板12在圆形凹陷13的周向边缘的内侧设置有均匀布置的刻度线14。手指在操作时通过对照刻度线14可以提高操作的精准度。
可选地,凹陷13也可以为非圆形的下沉形状,例如凹陷13的外缘可以为三角形、四边形、五边形、六边形、椭圆形、五角星形状或其他合适的形状。在本实施例中凹陷13为渐变凹陷。可选地,凹陷13还可以是台阶状下沉的凹陷,且可以为多级台阶状下沉的凹陷。
在示意性实施方式中,参照图4,操作面板12具有一个透光的显示部15。同时参照图2和图3,温控器还包括一个指示灯70,其设置于壳体10内并与显示部15相对。指示灯70连接处理器单元40并且能够在处理器单元40的控制下点亮或关闭。通过指示灯70的灯光穿透显示部15可以更丰富地指示温控器的运行状态,同时还保证了防水防尘的能力以及美观性。
实用新型还提供了一种供热通风与空气调节控制系统,包括上述的温控器。
应当理解,虽然本说明书是按照各个实施例描述的,但并非每个实施例仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。
上文所列出的一系列的详细说明仅仅是针对本实用新型的可行性实施例的具体说明,它们并非用以限制本实用新型的保护范围,凡未脱离本实用新型技艺精神所作的等效实施方案或变更,如特征的组合、分割或重复,均应包含在本实用新型的保护范围之内。

Claims (9)

  1. 温控器,其特征在于包括:
    一个壳体(10),其具有一个操作面板(12);
    一个显示屏(20),其设置于所述操作面板(12);
    一个电容式接近传感器,其包括:
    一个检测电极(30),其设置于所述操作面板(12)的内表面,在有物体接近所述操作面板(12)时所述检测电极(30)的对地电容产生变化并生成一个接近信号,和
    一个信号转化电路(42),其设置于所述壳体(10)内并连接所述检测电极(30),所述信号转化电路(42)能够接收所述接近信号并转化为一个开关信号;及
    一个处理器单元(40),其设置于所述壳体(10)内并连接所述显示屏(20),所述处理器单元(40)能够根据一个预设参数控制通供热通风与空气调节控制系统,所述处理器单元(40)能够在接收到所述开关信号时开启所述显示屏(20)并显示所述预设参数,并且在未接收到所述开关信号持续一段时间后关闭显示屏(20)。
  2. 如权利要求1所述的温控器,其特征在于,所述温控器还包括:
    一个按键电路板(50),其贴合于所述操作面板(12)的内表面;及数个电容式按键(60),所述电容式按键(60)设置于所述按键电路板(50)贴合于所述操作面板(12)的一面,所述电容式按键(60)连接所述处理器单元(40),所述处理器单元(40)能够根据所述电容式按键(60)的触发调整所述预设参数。
  3. 如权利要求2所述的温控器,其特征在于,所述数个电容式按键(60)沿一个圆形的边缘均匀布置;所述处理器单元(40)能够根据数个所述 电容式按键(60)的触发顺序调整所述预设参数的数值大小。
  4. 如权利要求3所述的温控器,其特征在于,所述操作面板(12)在外表面形成有一个凹陷(13),所述凹陷(13)由周向边缘向中心凹陷,所述数个所述电容式按键(60)与所述凹陷(13)的周向边缘的内侧相对。
  5. 如权利要求4所述的温控器,其特征在于,所述凹陷(13)为圆形凹陷,且所述凹陷(13)由周向边缘向其圆心逐渐凹陷。
  6. 如权利要求5所述的温控器,其特征在于,所述操作面板(12)在所述圆形的凹陷(13)的周向边缘的内侧设置有均匀布置的刻度线(14)。
  7. 如权利要求1所述的温控器,其特征在于,所述操作面板(12)具有一个透光的显示部(15);所述温控器还包括一个指示灯(70),其设置于所述壳体(10)内并与所述显示部(15)相对,所述指示灯(70)连接所述处理器单元(40)并且能够在所述处理器单元(40)的控制下点亮或关闭。
  8. 如权利要求1所述的温控器,其特征在于,所述处理器单元(40)为MSP430系列单片机。
  9. 供热通风与空气调节控制系统,其特征在于包括如权利要求1至8中任一项所述的温控器。
PCT/CN2020/106340 2020-07-31 2020-07-31 温控器及供热通风与空气调节控制系统 WO2022021380A1 (zh)

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