TW202035978A - Double port ph sensor - Google Patents
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- TW202035978A TW202035978A TW108111243A TW108111243A TW202035978A TW 202035978 A TW202035978 A TW 202035978A TW 108111243 A TW108111243 A TW 108111243A TW 108111243 A TW108111243 A TW 108111243A TW 202035978 A TW202035978 A TW 202035978A
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Abstract
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本發明是關於一種電化學檢測儀,特別是關於一種酸鹼檢測儀。The invention relates to an electrochemical detector, in particular to an acid-base detector.
在養殖業、畜牧業、實驗室等使用場合,經常會需要量測水體或化學溶液的酸鹼值,藉此掌握水質及溶液性質。目前,已有若干酸鹼檢測儀可用以量測溶液的酸鹼值,並將酸鹼值的數值顯示在其螢幕上。但是,現有的酸鹼檢測儀因其量測端的形式各不相同,以致於各別只能應用於有限的使用場合,當同一採樣場合的多個檢測需求無法被單一酸鹼檢測儀的功能所滿足時,便需要攜帶不同規格的酸鹼檢測儀進行檢測,使用上缺乏便利性,也增加了添購額外酸鹼檢測儀的費用。In aquaculture, animal husbandry, laboratories and other applications, it is often necessary to measure the pH of water or chemical solutions to grasp the water quality and the properties of the solution. At present, there are a number of acid-base detectors that can be used to measure the acid-base value of a solution and display the value of the acid-base value on its screen. However, the existing acid-base detectors are different in the form of their measuring terminals, so that they can only be applied to limited use occasions. When the multiple detection requirements of the same sampling occasion cannot be affected by the function of a single acid-base detector When it is satisfied, it is necessary to carry acid-base detectors of different specifications for testing, which lacks convenience in use and increases the cost of purchasing additional acid-base detectors.
本發明的其中一項目的在於提供一種能適用於多種使用場合的酸鹼檢測儀。One of the objectives of the present invention is to provide an acid-base detector that can be used in various applications.
為了達成上述及其他目的,本發明提供一種雙槽式酸鹼檢測儀,其包括一殼體、一處理器、一記憶體、一顯示單元、一輸入單元、一第一檢測槽及一第二檢測槽。處理器、記憶體、顯示單元、輸入單元及第一、第二檢測槽都設於殼體,記憶體、顯示單元、輸入單元及第一、第二檢測槽均電性連接於處理器,記憶體儲存一第一檢測公式及一相異於第一檢測公式的第二檢測公式,第一檢測槽與第一檢測公式相配對,且第一檢測槽是供一第一檢測元件插接而使彼此形成電性連接;第二檢測槽與第二檢測公式相配對,且第二檢測槽是供一第二檢測元件插接而使彼此形成電性連接。其中,輸入單元是供使用者輸入一選擇性激活第一、第二檢測槽至少其中一者的選擇指令,處理器是用以根據選擇指令激活第一、第二檢測槽至少其中一者並量測被激活的所述第一、第二檢測槽中所插設的第一、第二檢測元件的開路電位,而後處理器更根據與被激活的所述第一、第二檢測槽相配對的第一、第二檢測公式將開路電位轉換為一酸鹼值訊號,並將酸鹼值訊號顯示於顯示單元。In order to achieve the above and other objectives, the present invention provides a double tank type acid-base detector, which includes a housing, a processor, a memory, a display unit, an input unit, a first detection slot and a second Detection slot. The processor, the memory, the display unit, the input unit, and the first and second detection slots are all provided in the housing. The memory, the display unit, the input unit, and the first and second detection slots are all electrically connected to the processor, and the memory The body stores a first detection formula and a second detection formula that is different from the first detection formula. The first detection slot is matched with the first detection formula, and the first detection slot is for inserting a first detection element. Form an electrical connection with each other; the second detection slot is matched with the second detection formula, and the second detection slot is for a second detection element to be plugged in to form an electrical connection with each other. The input unit is for the user to input a selection instruction for selectively activating at least one of the first and second detection slots, and the processor is used to activate at least one of the first and second detection slots according to the selection instruction. The open circuit potentials of the first and second detection elements inserted in the activated first and second detection slots are measured, and the post-processor is further based on the paired with the activated first and second detection slots. The first and second detection formulas convert the open circuit potential into a pH signal, and display the pH signal on the display unit.
本發明通過提供兩個檢測公式各不相同的檢測槽,使不同的檢測元件均可應用於本發明的酸鹼檢測儀,從而增加本發明酸鹼檢測儀的適用場合,滿足使用者的多樣需求,並能減少購買多種規格酸鹼檢測儀而衍生的費用。The invention provides two detection tanks with different detection formulas, so that different detection elements can be applied to the acid-base detector of the invention, thereby increasing the applicable occasions of the acid-base detector of the invention and satisfying the diverse needs of users , And can reduce the cost derived from purchasing a variety of specifications of acid-base detectors.
請參考第1至3圖,所繪示者為本發明雙槽式酸鹼檢測儀(以下簡稱酸鹼檢測儀)第一實施例的多種使用場合。請一併搭配第4圖,該酸鹼檢測儀包括一殼體10、一處理器20、一記憶體30、一觸控螢幕40、一第一檢測槽50及一第二檢測槽60,觸控螢幕40包括一顯示單元41及一層合於顯示單元41的輸入單元42。其中,處理器20、記憶體30、顯示單元41、輸入單元42、第一檢測槽50及第二檢測槽60均設於殼體10,且記憶體30、顯示單元41、輸入單元42、第一檢測槽50及第二檢測槽60均電性連接於處理器20。Please refer to Figures 1 to 3, which are shown in multiple usage scenarios of the first embodiment of the double tank type acid-base detector (hereinafter referred to as the acid-base detector) of the present invention. Please also use Figure 4. The acid-base detector includes a
其中,處理器20例如為可程式化邏輯控制器(PLC),記憶體30儲存一第一檢測公式及一相異於第一檢測公式的第二檢測公式,第一、第二檢測槽50、60則分別供第一、第二檢測元件70、80插接而使彼此形成電性連接。The processor 20 is, for example, a programmable logic controller (PLC). The memory 30 stores a first detection formula and a second detection formula that is different from the first detection formula. The first and
由於在酸鹼檢測儀的酸鹼檢測作業中,檢測元件的開位電路與待測溶液的酸鹼值通常成線性變化或其他規律變化,因此通過第一檢測公式,可將所測得的開路電位轉化為酸鹼值。另一方面,由於不同檢測元件的電阻不盡相同,因此其開位電路與酸鹼值的關係性亦彼此不同,因此在可能的非限定應用場合中,第一、第二檢測公式的差異可能在於斜率校正係數的不同,或兩者之間斜率相同但須加上或減去一固定數值。從而,使用者可以通過設定兩組不同的檢測公式,使單一酸鹼檢測儀同時適用於兩種不同規格的檢測元件,同時又避免了兩種規格可能衍生的誤差,從而提升其泛用性,滿足多元使用需求。Because in the acid-base detection operation of the acid-base detector, the open circuit of the detection element and the pH value of the solution to be tested usually change linearly or other regular changes, so the measured open circuit can be measured through the first detection formula The potential is converted into a pH value. On the other hand, since the resistance of different detection elements is not the same, the relationship between the open circuit and the pH value is also different from each other. Therefore, in possible non-limiting applications, the difference between the first and second detection formulas may be It lies in the difference of the slope correction coefficient, or the slope between the two is the same but a fixed value must be added or subtracted. Therefore, the user can set two different detection formulas to make a single acid-base detector suitable for two different specifications of detection elements at the same time, while avoiding the errors that may be derived from the two specifications, thereby improving its versatility. Meet the needs of multiple use.
例如在本實施例中,第一檢測元件70具有一插接端71、一檢測端72及一電性連接於插接端71與檢測端72之間的導線73,為一導線式檢測元件,其插接端71是供插接於第一檢測槽50,檢測端72是供浸泡於一待測溶液,且檢測端72具有至少一可供與待測溶液進行電化學反應的電極,使導線式檢測元件可應用於對待測溶液持續監控酸鹼值的場合,例如配置實驗室藥品的場合。For example, in this embodiment, the
另一方面,第二檢測元件80則為一酸鹼檢測試片,其具有一金手指81、一感測區82及延伸於金手指81及感測區82之間的若干電極,金手指81可供插接於第二檢測槽60,該些電極在感測區82內裸露而供與一待測溶液接觸,例如,使用者可將水樣或其他溶液樣品滴在感測區82,使電極可與水滴接觸,後續可將金手指81插入第二檢測槽60,以便進行酸鹼檢測作業。On the other hand, the
觸控螢幕40具有一顯示於顯示單元41的使用者介面,使用者介面具有一選擇功能區411,輸入單元42則可供使用者通過店選對應於選擇功能區411的位置來輸入選擇指令,舉例而言,使用者可選擇單獨激活第一感測槽50(如第1圖所示)、單獨激活第二感測槽60(如第2圖所示)或同時激活第一、第二感測槽50、60(如第3圖所示)。在第一、第二感測槽都被激活的場合中,使用者介面可以存在兩組獨立的酸鹼值顯示區分別顯示不同待測溶液的酸鹼值,例如,本實施例的使用者介面包括一動態游標系統及一數值式酸鹼值顯示區,可個別獨立顯示酸鹼值。The touch screen 40 has a user interface displayed on the display unit 41, the user interface has a selection function area 411, and the input unit 42 allows the user to input selection commands by selecting the location corresponding to the selection function area 411 through the shop. For example, the user can choose to individually activate the first sensing slot 50 (as shown in Figure 1), individually activate the second sensing slot 60 (as shown in Figure 2), or simultaneously activate the first and second sensing slots. Measuring
第一、第二感測槽50、60同時被激活的使用方式可應用於更複雜的檢測場合。例如,在癌細胞生長實驗中,細胞生長時會快速消耗DMEM培養基當中的葡萄糖養分,而代謝後的產物會使培養環境變為酸性,因此可藉由第一檢測元件持續監控培養環境的酸鹼值,判斷是否需更換培養基;同時,新加入的培養基也需確認酸鹼值,避免有變質以及污染的風險,並同步觀察更換後的培養環境是否樸和添加培養基的酸鹼值,此時即可使用第二檢測元件對新加入的培養基進行採樣、測定酸鹼值。如此,即可同步監控細胞培養環境以及新加入的培養基是否產生酸鹼值改變,此較為複雜的使用場合。又例如,水耕蔬菜時,蔬菜的培養槽酸鹼值需控制在符合蔬菜生長的條件,此時載添加新的肥料時,加入之液體肥料的酸鹼值也需要另外量測,以避免破壞蔬菜生長環境的酸鹼值。此時即可通過第一檢測元件持續監控培養槽的酸鹼值,另通過第二檢測元件量測液體肥料的酸鹼值,滿足水耕蔬菜的使用需求。The use method in which the first and
綜合上述,本發明通過提供兩個檢測公式各不相同的檢測槽,使不同的檢測元件均可應用於本發明的酸鹼檢測儀,從而增加本發明酸鹼檢測儀的適用場合,滿足使用者的多樣需求,並能減少購買多種規格酸鹼檢測儀而衍生的費用。In summary, the present invention provides two detection tanks with different detection formulas so that different detection elements can be applied to the acid-base detector of the present invention, thereby increasing the applicable occasions of the acid-base detector of the present invention and satisfying users Diversified needs, and can reduce the cost of purchasing a variety of specifications of acid-base detectors.
10:殼體 20:處理器 30:記憶體 40:觸控螢幕 41:顯示單元 42:輸入單元 50:第一檢測槽 60:第二檢測槽 70:第一檢測元件 71:插接端 72:檢測端 73:導線 80:第二檢測元件 81:金手指 82:感測區10: Shell 20: processor 30: memory 40: Touch screen 41: display unit 42: input unit 50: The first detection slot 60: second detection slot 70: The first detection element 71: Socket end 72: detection end 73: Wire 80: second detection element 81: Golden Finger 82: sensing area
第1至3圖為本發明第一實施例的立體圖,表現三種不同的使用場合。Figures 1 to 3 are perspective views of the first embodiment of the present invention, showing three different use cases.
第4圖為本發明第一實施例的元件組成示意圖。Figure 4 is a schematic diagram of the component composition of the first embodiment of the present invention.
10:殼體 10: Shell
40:觸控螢幕 40: Touch screen
41:顯示單元 41: display unit
42:輸入單元 42: input unit
50:第一檢測槽 50: The first detection slot
60:第二檢測槽 60: second detection slot
70:第一檢測元件 70: The first detection element
71:插接端 71: Socket end
72:檢測端 72: detection end
73:導線 73: Wire
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