CN203908985U - Portable PH value detector for cooling water for extruded tire treads - Google Patents
Portable PH value detector for cooling water for extruded tire treads Download PDFInfo
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- CN203908985U CN203908985U CN201420355788.3U CN201420355788U CN203908985U CN 203908985 U CN203908985 U CN 203908985U CN 201420355788 U CN201420355788 U CN 201420355788U CN 203908985 U CN203908985 U CN 203908985U
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Abstract
The utility model discloses a portable PH value detector for cooling water for extruded tire treads. The portable PH value detector comprises a hollow cylindrical shell, a circuit board, a battery and a PH probe, wherein the PH probe is mounted at one end of the shell; an end cover which is provided with a charging socket and can be screwed and opened is arranged at the other end of the shell; the battery and the circuit board are arranged in the inner cavity of the shell; a display screen and a power supply switch are arranged outside the shell; the battery is electrically connected with the circuit board through the power supply switch; the circuit board is electrically connected with the PH probe and the display screen. The portable PH value detector is reasonable in design, simple in structure, high in interference resistance, capable of accurately and reliably detecting, high in practicability, simple and convenient in working procedure, time-saving and labor-saving. With the adoption of the portable PH value detector, workers in a tire tread extruding workshop can detect at any time and can accurately control the PH value of the cooling water in time, so that the portable PH value detector brings convenience for production and is capable of reducing or avoiding rejected products.
Description
Technical field
The utility model relates to a kind of pH value detecting device, is specifically related to a kind of portable tyre surface and extrudes rear chilled water pH value detecting device.
Background technology
Tire tread needs to adopt spray or immersion way to carry out with chilled water after extruding cooling, and chilled water is by slant acidity, whether qualified needs often to detect its pH value in production, adjusts with hydrochloric acid as defective.At present, chilled water is carried out to pH value detection, mostly be by staff and extract chilled water sample, then take back in laboratory and detect, its working routine complexity, waste time and energy, and staff cannot detect at any time, often chilled water is neutral or compared with alkaline and do not found in time, it is unfavorable to bring to production, when serious, can cause product defective.
Summary of the invention
The purpose of this utility model is exactly the defect existing for prior art, provides a kind of portable tyre surface to extrude rear chilled water pH value detecting device.
Its technical scheme is: chilled water pH value detecting device after portable tyre surface extrudes, comprise housing, circuit board, battery and the PH probe of hollow cylindrical structure, PH probe is installed in one end of described housing, the other end is provided with charging socket and can screws the end cap of opening, in housing inner chamber, be provided with battery and circuit board, outside is provided with display screen and power switch; Described battery is electrically connected with circuit board by power switch, and circuit board is electrically connected with PH probe and display screen.
Wherein, described circuit board comprises integrated circuit, resistance, electric capacity, potentiometer and stabilivolt, one end of described PH probe is connected with 3 pin of the first integrated circuit, the other end of PH probe and one end of the second resistance, one end of the 3rd resistance, one quiet end of the first potentiometer, one quiet end of the second potentiometer, 32 pin of the second integrated circuit and 35 pin of the second integrated circuit are connected, battery is by 1 pin of power switch and the second integrated circuit, one end of the first resistance, one end of one end of the 4th resistance and the 5th resistance is connected, the other end of the other end of the first resistance and the second resistance, 7 pin of the negative pole of stabilivolt and the first integrated circuit are connected, the other end of the 4th resistance is connected with another quiet end of the first potentiometer, the other end of the 5th resistance is connected with another quiet end of the second potentiometer, the moved end of the first potentiometer is connected with 36 pin of the second integrated circuit, the moved end of the second potentiometer is connected with 30 pin of the second integrated circuit and one end of the second electric capacity, 31 pin of the other end of the second electric capacity and the second integrated circuit, the other end of one end of the 6th resistance and the second electric capacity is connected, the other end of the 6th resistance is connected with 2 pin of the first integrated circuit and 6 pin of the first integrated circuit, 4 pin of the negative pole of battery and the first integrated circuit, 26 pin of the second integrated circuit, the other end anodal and the 3rd resistance of stabilivolt is connected, one end of the 7th resistance connects 39 pin of the second integrated circuit, the other end of the 7th resistance is connected with 40 pin of the second integrated circuit and one end of the first electric capacity, the other end of the first electric capacity is connected with 38 pin of the second integrated circuit, 33 pin of the second integrated circuit connect one end of the 3rd electric capacity, the other end of the 3rd electric capacity is connected with 34 pin of the second integrated circuit, 28 pin of the second integrated circuit are connected with one end of the 8th resistance, the other end of the 8th resistance is connected with one end of the 4th electric capacity and one end of the 5th electric capacity, the other end of the 4th electric capacity is connected with 29 pin of the second integrated circuit, the other end of the 5th electric capacity is connected with 27 pin of the second integrated circuit, 20 pin of the second integrated circuit are connected with the negative sign end of display screen, 21 pin of the second integrated circuit are connected with the common driver end of display screen, the 2-19 pin of the second integrated circuit is connected with 23 field ends of display screen respectively, described charging socket is connected in the two ends of battery in parallel.The model of described the first integrated circuit is MAX406.The model of described the second integrated circuit is MAX130.Described battery is 9V rechargeable battery.Described display screen is LCD display.The voltage stabilizing value of described stabilivolt is 3-6V.The resistance of described the second resistance and the 3rd resistance is 1M Ω.The resistance of described the first potentiometer and the second potentiometer is 10K Ω.Described PH probe is combined type PH electrode.
The utility model compared with prior art, has the following advantages: reasonable in design, simple in structure, to do interference strong, detects accurately and reliably, practical, working routine is easy, time saving and energy saving.Tire tread extrudes shop personnel and can detect at any time, accurately and timely grasps the pH value of chilled water, brings convenience to production, reduces or stop the generation of the defective phenomenon of product.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the circuit theory diagrams of a kind of embodiment of the utility model.
Embodiment
With reference to Fig. 1, chilled water pH value detecting device after a kind of portable tyre surface extrudes, comprise housing 5, circuit board 3, battery 6 and the PH probe 1 of hollow cylindrical structure, PH probe 1 is installed in one end of housing 5, the other end is provided with charging socket 8 and can screws the end cap of opening, in housing 5 inner chambers, be provided with battery 6 and circuit board 3, housing 5 outsides are provided with display screen 2 and power switch 4; Battery 6 is electrically connected with circuit board 3 by power switch 4, and circuit board is electrically connected with PH probe 1 and display screen 2.
Comprise integrated circuit with reference to Fig. 2 circuit board 3, resistance, electric capacity, potentiometer and stabilivolt, one end of PH probe 1 is connected with 3 pin of the first integrated circuit (IC) 1, the other end of PH probe 1 and one end of the second resistance R 2, one end of the 3rd resistance R 3, a quiet end of the first potentiometer W1, a quiet end of the second potentiometer W2, 35 pin of 32 pin of the second integrated circuit (IC) 2 and the second integrated circuit (IC) 2 are connected, battery 6 is by 1 pin of power switch 4 and the second integrated circuit (IC) 2, one end of the first resistance R 1, one end of one end of the 4th resistance R 4 and the 5th resistance R 5 is connected, the other end of the other end of the first resistance R 1 and the second resistance R 2, 7 pin of the negative pole of stabilivolt D and the first integrated circuit (IC) 1 are connected, the other end of the 4th resistance R 4 is connected with another quiet end of the first potentiometer W1, the other end of the 5th resistance R 5 is connected with another quiet end of the second potentiometer W2, the moved end of the first potentiometer W1 is connected with 36 pin of the second integrated circuit (IC) 2, the moved end of the second potentiometer W2 is connected with 30 pin of the second integrated circuit (IC) 2 and one end of the second capacitor C 2, 31 pin of the other end of the second capacitor C 2 and the second integrated circuit (IC) 2, the other end of one end of the 6th resistance R 6 and the second capacitor C 2 is connected, the other end of the 6th resistance R 6 is connected with 2 pin of the first integrated circuit (IC) 1 and 6 pin of the first integrated circuit (IC) 1, 4 pin of the negative pole of battery 6 and the first integrated circuit (IC) 1, 26 pin of the second integrated circuit (IC) 2, the other end anodal and the 3rd resistance R 3 of stabilivolt D is connected, one end of the 7th resistance R 7 connects 39 pin of the second integrated circuit (IC) 2, the other end of the 7th resistance R 7 is connected with 40 pin of the second integrated circuit (IC) 2 and one end of the first capacitor C 1, the other end of the first capacitor C 1 is connected with 38 pin of the second integrated circuit (IC) 2, 33 pin of the second integrated circuit (IC) 2 connect one end of the 3rd capacitor C 3, the other end of the 3rd capacitor C 3 is connected with 34 pin of the second integrated circuit (IC) 2, 28 pin of the second integrated circuit (IC) 2 are connected with one end of the 8th resistance R 8, the other end of the 8th resistance R 8 is connected with one end of the 4th capacitor C 4 and one end of the 5th capacitor C 5, the other end of the 4th capacitor C 4 is connected with 29 pin of the second integrated circuit (IC) 2, the other end of the 5th capacitor C 5 is connected with 27 pin of the second integrated circuit (IC) 2, 20 pin of the second integrated circuit (IC) 2 are connected with the negative sign end of display screen 2, 21 pin of the second integrated circuit (IC) 2 are connected with the common driver end of display screen 2, the 2-19 pin of the second integrated circuit (IC) 2 is connected with 23 field ends of display screen 2 respectively, charging socket 8 is connected in the two ends of battery 6 in parallel.The model of the first integrated circuit (IC) 1 is MAX406.The model of the second integrated circuit (IC) 2 is MAX130.Battery 6 is 9V rechargeable battery.Display screen 2 is LCD display.The voltage stabilizing value of stabilivolt D is 3-6V.The resistance of the second resistance R 2 and the 3rd resistance R 3 is 1M Ω.The resistance of the first potentiometer W1 and the second potentiometer W2 is 10K Ω.PH probe 1 is combined type PH electrode.
Principle of work: this device is made up of PH probe 1, the first integrated circuit (IC) 1 buffer amplifier, the second integrated circuit (IC) 2 decade integrating A/D converters and display screen 2.The first resistance R 1 adopts the isolation feed circuit of the stabilivolt D composition buffer amplifier of 100 Ω and 3V, the dividing potential drop of the second resistance R 2 and the 3rd resistance R 3 is as the reference potential of PH probe 1, and be connected to 32 pin of the second integrated circuit (IC) 2, as the benchmark of A/D converter.By adjust the first potentiometer W1 and the second potentiometer W2 make PH probe 1 ± 700mV skew, output area is 0-1400mV, this value is corresponding with the indication range of 0-14nH.
When use, hold housing 5 left end Anti-slip covers 7, PH probe 1 is inserted after chilled water, turn on the power switch 4, the output signal of PH probe 1 is undertaken sending into IC2 after Hyblid Buffer Amplifier by IC1 and benchmark compares, and finally shows the pH value of chilled water by LCD display 2.
The utility model is reasonable in design, simple in structure, it is strong to do interference, detects accurately and reliably, and practical, working routine is easy, time saving and energy saving.Tire tread extrudes shop personnel and can detect at any time, accurately and timely grasps the pH value of chilled water, brings convenience to production, reduces or stop the generation of the defective phenomenon of product.
Claims (10)
1. portable tyre surface extrudes rear chilled water pH value detecting device, comprise housing, circuit board, battery and the PH probe of hollow cylindrical structure, it is characterized in that: PH probe is installed in one end of described housing, the other end is provided with charging socket and can screws the end cap of opening, in housing inner chamber, be provided with battery and circuit board, outside is provided with display screen and power switch; Described battery is electrically connected with circuit board by power switch, and circuit board is electrically connected with PH probe and display screen.
2. portable tyre surface according to claim 1 extrudes rear chilled water pH value detecting device, it is characterized in that: described circuit board comprises integrated circuit, resistance, electric capacity, potentiometer and stabilivolt, one end of described PH probe is connected with 3 pin of the first integrated circuit, the other end of PH probe and one end of the second resistance, one end of the 3rd resistance, one quiet end of the first potentiometer, one quiet end of the second potentiometer, 32 pin of the second integrated circuit and 35 pin of the second integrated circuit are connected, battery is by 1 pin of power switch and the second integrated circuit, one end of the first resistance, one end of one end of the 4th resistance and the 5th resistance is connected, the other end of the other end of the first resistance and the second resistance, 7 pin of the negative pole of stabilivolt and the first integrated circuit are connected, the other end of the 4th resistance is connected with another quiet end of the first potentiometer, the other end of the 5th resistance is connected with another quiet end of the second potentiometer, the moved end of the first potentiometer is connected with 36 pin of the second integrated circuit, the moved end of the second potentiometer is connected with 30 pin of the second integrated circuit and one end of the second electric capacity, 31 pin of the other end of the second electric capacity and the second integrated circuit, the other end of one end of the 6th resistance and the second electric capacity is connected, the other end of the 6th resistance is connected with 2 pin of the first integrated circuit and 6 pin of the first integrated circuit, 4 pin of the negative pole of battery and the first integrated circuit, 26 pin of the second integrated circuit, the other end anodal and the 3rd resistance of stabilivolt is connected, one end of the 7th resistance connects 39 pin of the second integrated circuit, the other end of the 7th resistance is connected with 40 pin of the second integrated circuit and one end of the first electric capacity, the other end of the first electric capacity is connected with 38 pin of the second integrated circuit, 33 pin of the second integrated circuit connect one end of the 3rd electric capacity, the other end of the 3rd electric capacity is connected with 34 pin of the second integrated circuit, 28 pin of the second integrated circuit are connected with one end of the 8th resistance, the other end of the 8th resistance is connected with one end of the 4th electric capacity and one end of the 5th electric capacity, the other end of the 4th electric capacity is connected with 29 pin of the second integrated circuit, the other end of the 5th electric capacity is connected with 27 pin of the second integrated circuit, 20 pin of the second integrated circuit are connected with the negative sign end of display screen, 21 pin of the second integrated circuit are connected with the common driver end of display screen, the 2-19 pin of the second integrated circuit is connected with 23 field ends of display screen respectively, described charging socket is connected in the two ends of battery in parallel.
3. portable tyre surface according to claim 2 extrudes rear chilled water pH value detecting device, it is characterized in that: the model of described the first integrated circuit is MAX406.
4. portable tyre surface according to claim 2 extrudes rear chilled water pH value detecting device, it is characterized in that: the model of described the second integrated circuit is MAX130.
5. portable tyre surface according to claim 1 and 2 extrudes rear chilled water pH value detecting device, it is characterized in that: described battery is 9V rechargeable battery.
6. portable tyre surface according to claim 1 and 2 extrudes rear chilled water pH value detecting device, it is characterized in that: described display screen is LCD display.
7. portable tyre surface according to claim 2 extrudes rear chilled water pH value detecting device, it is characterized in that: the voltage stabilizing value of described stabilivolt is 3-6V.
8. portable tyre surface according to claim 2 extrudes rear chilled water pH value detecting device, it is characterized in that: the resistance of described the second resistance and the 3rd resistance is 1M Ω.
9. portable tyre surface according to claim 2 extrudes rear chilled water pH value detecting device, it is characterized in that: the resistance of described the first potentiometer and the second potentiometer is 10K Ω.
10. portable tyre surface according to claim 1 and 2 extrudes rear chilled water pH value detecting device, it is characterized in that: described PH probe is combined type PH electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420355788.3U CN203908985U (en) | 2014-06-22 | 2014-06-22 | Portable PH value detector for cooling water for extruded tire treads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420355788.3U CN203908985U (en) | 2014-06-22 | 2014-06-22 | Portable PH value detector for cooling water for extruded tire treads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908985U true CN203908985U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420355788.3U Expired - Fee Related CN203908985U (en) | 2014-06-22 | 2014-06-22 | Portable PH value detector for cooling water for extruded tire treads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010952A (en) * | 2016-06-29 | 2016-10-12 | 哈尔滨华藻生物科技开发有限公司 | Spirulina solution portable detection device |
-
2014
- 2014-06-22 CN CN201420355788.3U patent/CN203908985U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010952A (en) * | 2016-06-29 | 2016-10-12 | 哈尔滨华藻生物科技开发有限公司 | Spirulina solution portable detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20200622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |