CN205562451U - Portable long -life water quality detector - Google Patents
Portable long -life water quality detector Download PDFInfo
- Publication number
- CN205562451U CN205562451U CN201620321818.8U CN201620321818U CN205562451U CN 205562451 U CN205562451 U CN 205562451U CN 201620321818 U CN201620321818 U CN 201620321818U CN 205562451 U CN205562451 U CN 205562451U
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- diode
- audion
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- water quality
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- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The utility model discloses a portable long -life water quality detector, including diode D1, triode V1, triode V2 and battery E, battery E's anodal diode D1's positive pole, diode D2's positive pole, diode D3's positive pole, resistance R2, resistance R3 and the resistance R6 of connecting, battery E's minus earth, triode V1's projecting pole, triode V1's base connecting resistance R2's the other end is connected to diode D1's negative pole. The utility model discloses portable long -life water quality detector simple structure, components and parts are few, only use essential electronic component to constitute, and its is small, the cost of manufacture is low, especially adaptedly carry outdoor use to consequently set up voltage testing in the circuit, can make under -voltage early warning in advance, had long service life, the function is various and convenient to use's advantage.
Description
Technical field
This utility model relates to a kind of Water quality detector, a kind of portable long-life Water quality detector.
Background technology
Water quality detection is to monitor and measure the kind of pollutant, the concentration of each pollutant and variation tendency, the process of evaluating water quality situation in water body.Detection range is quite varied, including not being contaminated and the most contaminated natural water (river, river, lake, sea and subsoil water) and various industrial water drainages etc..The project of predominantly detecting can be divided into two big classes: a class is the aggregative indicator of reflection water quality condition, such as temperature, colourity, turbidity, pH value, electrical conductivity, float, dissolved oxygen, COD and Biochemical oxygen demand etc.；Another kind of is some noxious substances, such as phenol, cyanogen, arsenic, lead, chromium, cadmium, hydrargyrum and organic agricultural chemicals etc..For objective appraisal rivers and the situation of ocean water quality.Existing Water quality detector is used mostly dry cell power supply, and a lot of people run into and find undertension when using out of doors, now do not have reserve battery to change, bring the biggest inconvenience to the use of people.
Utility model content
The purpose of this utility model is to provide a kind of portable long-life Water quality detector, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
nullA kind of portable long-life Water quality detector，Including diode D1、Audion V1、Audion V2 and accumulator E，The anode of the cathode connecting diode D1 of described accumulator E、The anode of diode D2、The anode of diode D3、Resistance R2、Resistance R3 and resistance R6，The minus earth of accumulator E，The emitter stage of the negative electrode connecting triode V1 of diode D1，The base stage of audion V1 connects the other end of resistance R2，The collection probe of audion V1 connects resistance R1，The other end ground connection of resistance R1，The other end of resistance R3 connects resistance R5、The sliding end of potentiometer RP1、Probe B、The source electrode of transistor V2 and the emitter stage of audion V4，One of potentiometer RP1 fixing end linking probe A，Another fixing end of potentiometer RP1 connects resistance R4 and the grid of transistor V2，The drain electrode of transistor V2 connects the other end and the resistance R7 of resistance R6，The other end of resistance R5 connects the other end and the resistance R8 of resistance R4，The base stage of the other end connecting triode V4 of resistance R7，The colelctor electrode of audion V4 connects negative electrode and the base stage of audion V3 of diode D2，The colelctor electrode of audion V4 connects the negative electrode of diode D3，The emitter stage of audion V4 connects the other end of resistance R8.
As preferred version of the present utility model: described diode D1, diode D2 and diode D3 are light emitting diode.
Compared with prior art, the beneficial effects of the utility model are: this utility model portable long-life Water quality detector simple in construction, components and parts are few, basic electronic component is only used to form, its volume is little, cost of manufacture is low, it is especially suitable for carrying outdoor use, and it is provided with voltage detection module in circuit, it is possible to make under-voltage early warning in advance, therefore there is length in service life, diverse in function and advantage easy to use.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of portable long-life Water quality detector.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，A kind of portable long-life Water quality detector，Including diode D1、Audion V1、Audion V2 and accumulator E，The anode of the cathode connecting diode D1 of described accumulator E、The anode of diode D2、The anode of diode D3、Resistance R2、Resistance R3 and resistance R6，The minus earth of accumulator E，The emitter stage of the negative electrode connecting triode V1 of diode D1，The base stage of audion V1 connects the other end of resistance R2，The collection probe of audion V1 connects resistance R1，The other end ground connection of resistance R1，The other end of resistance R3 connects resistance R5、The sliding end of potentiometer RP1、Probe B、The source electrode of transistor V2 and the emitter stage of audion V4，One of potentiometer RP1 fixing end linking probe A，Another fixing end of potentiometer RP1 connects resistance R4 and the grid of transistor V2，The drain electrode of transistor V2 connects the other end and the resistance R7 of resistance R6，The other end of resistance R5 connects the other end and the resistance R8 of resistance R4，The base stage of the other end connecting triode V4 of resistance R7，The colelctor electrode of audion V4 connects negative electrode and the base stage of audion V3 of diode D2，The colelctor electrode of audion V4 connects the negative electrode of diode D3，The emitter stage of audion V4 connects the other end of resistance R8.
Described diode D1, diode D2 and diode D3 are light emitting diode.
nullOperation principle of the present utility model is: circuit by accumulator E as power supply，Diode D1 in circuit、Audion V1、Resistance R1 and resistance R2 forms undervoltage detection circuit，Undervoltage condition can be known in advance，Ready，Situation about cannot use because of undertension when avoiding using out of doors，In the case of voltage is normal, the base stage of audion V1 obtains electric，Audion V1 ends，Light emitting diode D1 is not turned on，After energising，Transistor V2 is high-impedance state，Therefore audion V4 turns on，Light emitting diode D2 is lit，Probe A and B is inserted in water，If water being gone back substance ion concentration without departing from established standards，Light emitting diode D2 constant conduction，If water being gone back substance ion concentration beyond established standards，Resistance between probe A and B reduces，Crystal light V2 is low resistance state，Audion V4 ends，Light emitting diode D2 extinguishes，Audion V3 turns on，Light emitting diode D3 lights，Regulator potentiometer RP1 can change established standards.
Claims (2)
- null1. a portable long-life Water quality detector，Including diode D1、Audion V1、Audion V2 and accumulator E，It is characterized in that，The anode of the cathode connecting diode D1 of described accumulator E、The anode of diode D2、The anode of diode D3、Resistance R2、Resistance R3 and resistance R6，The minus earth of accumulator E，The emitter stage of the negative electrode connecting triode V1 of diode D1，The base stage of audion V1 connects the other end of resistance R2，The collection probe of audion V1 connects resistance R1，The other end ground connection of resistance R1，The other end of resistance R3 connects resistance R5、The sliding end of potentiometer RP1、Probe B、The source electrode of transistor V2 and the emitter stage of audion V4，One of potentiometer RP1 fixing end linking probe A，Another fixing end of potentiometer RP1 connects resistance R4 and the grid of transistor V2，The drain electrode of transistor V2 connects the other end and the resistance R7 of resistance R6，The other end of resistance R5 connects the other end and the resistance R8 of resistance R4，The base stage of the other end connecting triode V4 of resistance R7，The colelctor electrode of audion V4 connects negative electrode and the base stage of audion V3 of diode D2，The colelctor electrode of audion V4 connects the negative electrode of diode D3，The emitter stage of audion V4 connects the other end of resistance R8.
- One the most according to claim 1 portable long-life Water quality detector, it is characterised in that described diode D1, diode D2 and diode D3 are light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620321818.8U CN205562451U (en) | 2016-04-15 | 2016-04-15 | Portable long -life water quality detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620321818.8U CN205562451U (en) | 2016-04-15 | 2016-04-15 | Portable long -life water quality detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205562451U true CN205562451U (en) | 2016-09-07 |
Family
ID=56808416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620321818.8U Expired - Fee Related CN205562451U (en) | 2016-04-15 | 2016-04-15 | Portable long -life water quality detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205562451U (en) |
-
2016
- 2016-04-15 CN CN201620321818.8U patent/CN205562451U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Xianglian Inventor before: Li Jun |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161028 Address after: 510635 science and technology innovation base of Science City, hi tech Industrial Development Zone, Guangdong, Guangzhou 402, D Patentee after: Guangzhou Foodsafe Bio-Technology Co., Ltd. Address before: 315700 Ningbo, Xiangshan Province Economic Development Zone, Park Road, No. 98 Patentee before: Xiangshan Al Wouter Intelligent Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20170415 |