CN207488224U - Oxygen content tester - Google Patents

Oxygen content tester Download PDF

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Publication number
CN207488224U
CN207488224U CN201721172645.9U CN201721172645U CN207488224U CN 207488224 U CN207488224 U CN 207488224U CN 201721172645 U CN201721172645 U CN 201721172645U CN 207488224 U CN207488224 U CN 207488224U
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CN
China
Prior art keywords
main body
battery
oxygen content
bottom case
body bottom
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721172645.9U
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Chinese (zh)
Inventor
李天野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN OLIVE TECHNOLOGY Co Ltd
Original Assignee
SHENZHEN OLIVE TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by SHENZHEN OLIVE TECHNOLOGY Co Ltd filed Critical SHENZHEN OLIVE TECHNOLOGY Co Ltd
Priority to CN201721172645.9U priority Critical patent/CN207488224U/en
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Publication of CN207488224U publication Critical patent/CN207488224U/en
Active legal-status Critical Current
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Abstract

The utility model is related to easily teaching oxygen content technical field of measurement and test, especially oxygen content tester, including main part and sensor assembly, sensor assembly is connected to the interior right edge of main part, main part includes main body bottom case, main body face-piece and pcb board, it is snapped connection between main body bottom case and main body face-piece, pcb board is clamped between main body bottom case and main body face-piece, the left side of main body bottom case is provided with battery case, battery case is placed with the first battery, the right side of main body bottom case is provided with circular groove, and circular groove is placed with single drawing winder.The utility model advantageous effect:The air cell that the utility model uses does Sensor parts, go out the oxygen content in air by the reacting condition for detecting battery charge levels, because of the easy scheme that product uses, relatively low cost can be used to detect the oxygen content in air, it so can be with batch application in teaching, securely and reliably.

Description

Oxygen content tester
Technical field
The utility model is related to easily teaching oxygen content technical field of measurement and test, especially oxygen content tester.
Background technology
Oxygen content is difficult to detect, and the general equipment price for detecting oxygen content all can be higher.Oxygen detection Sensor is using import module mostly.Our company devises a use by using the operation principle of newest air cell In the oxygen content detection device of teaching.Because air cell has been selected to do sensor parts, it is possible to make product easy to use.
Therefore, for the above problem, it is necessary to propose oxygen content tester.
Utility model content
The utility model aim is to overcome deficiency of the prior art, provides oxygen content tester.
In order to solve the above-mentioned technical problem, the utility model is to be achieved through the following technical solutions:
Oxygen content tester, including main part and sensor assembly, the sensor assembly is connected to the interior of main part Right edge, the main part include main body bottom case, main body face-piece and pcb board, are buckled between the main body bottom case and main body face-piece Connection, the pcb board are clamped between main body bottom case and main body face-piece, and the left side of the main body bottom case is provided with battery case, The battery case is placed with the first battery, and the right side of the main body bottom case is provided with circular groove, and the circular groove is placed with Dan Lajuan Line device.
Preferably, the pcb board is provided with LCD display, and the anode of first battery passes through anode shrapnel and pcb board It is electrically connected, the cathode of first battery is electrically connected by cathode shrapnel and pcb board.
Preferably, the front end centre position of the main body face-piece is provided with caulking groove, and the caulking groove is equipped with PC eyeglasses.
Preferably, the front end left side of the main body face-piece is provided with circular hole, and the circular hole is equipped with plastic key.
Preferably, single draw is additionally provided with foam, the bottom of the main body bottom case between winder and sensor assembly The corresponding position of battery is provided with battery cover.
Preferably, the sensor assembly includes lower casing, the second battery and upper casing, and the lower casing is fixedly connected with upper casing, Second battery is arranged on upper casing, and the rear portion of the upper casing is provided with hex nut, and the battery top is provided with end cap.
Preferably, the anode of second battery is connected with anode contact chip, and the cathode of second battery is connected with negative Pole contact chip.
Preferably, first battery uses No. 7 batteries, and second battery uses LR44 batteries.
Preferably, the pcb board is provided with control chip and protection circuit, the control chip connection protection circuit.
Preferably, junction is provided with gasket between the main body face-piece and main body bottom case.
The utility model advantageous effect:The air cell that the utility model uses does Sensor parts, by detecting battery The reacting condition of the quantity of electric charge goes out the oxygen content in air, because of the easy scheme that product uses, relatively low cost can be used to examine Measure the oxygen content in air, it is possible to which batch application is in teaching, securely and reliably.
The technique effect of the design of the utility model, concrete structure and generation is made furtherly below with reference to attached drawing It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Description of the drawings
Fig. 1 is the front view of the utility model.
Specific embodiment
The embodiment of the utility model is described in detail below in conjunction with attached drawing, but the utility model can be by right It is required that the multitude of different ways for limiting and covering is implemented.
As shown in Figure 1, oxygen content tester, including main part and sensor assembly, the sensor assembly is connected to The interior right edge of main part, the main part include main body bottom case 2, main body face-piece 7 and pcb board 9, the main body bottom case 2 and master It is snapped connection between honorable shell 7, the pcb board 9 is clamped between main body bottom case 2 and main body face-piece 7, the main body bottom case 2 Left side is provided with battery case, and the battery case is placed with the first battery 3, and the right side of the main body bottom case 2 is provided with circular groove, The circular groove is placed with single drawing winder 10.
Further, the pcb board 9 is provided with LCD display, the anode of first battery 3 by anode shrapnel 5 with Pcb board 9 is electrically connected, and the cathode of first battery 3 is electrically connected by cathode shrapnel 4 and PCB plates 9.
Further, the front end centre position of the main body face-piece 7 is provided with caulking groove, and the caulking groove is equipped with PC eyeglasses 8, the front end left side of the main body face-piece 7 is provided with circular hole, and the circular hole is equipped with plastic key 6.
Wherein, single draw is additionally provided with foam 18, the bottom of the main body bottom case 2 between winder 10 and sensor assembly Portion is provided with battery cover 1 in 3 corresponding position of battery, and the sensor assembly includes lower casing 11, the second battery 14 and upper casing 16, the lower casing 11 is fixedly connected with upper casing 16, and second battery 14 is arranged on upper casing 16, and the rear portion of the upper casing 16 is set Hex nut 12 is equipped with, 14 top of the second battery is provided with end cap 17.
In addition, the anode of second battery 14 is connected with anode contact chip 15, the cathode connection of second battery 14 There is cathode contact piece 13, first battery 3 uses No. 7 batteries, and second battery 14 uses LR44 batteries.
Further, the pcb board is provided with control chip and protection circuit, and the control chip connects protection circuit, Protection circuit will not cross senior general's pcb board because of electric current and burn out in use, improve the safety of galvanometer.
Further, junction is provided with gasket between the main body face-piece and main body bottom case, and gasket can play The effect of water proof and dust proof can prevent external water and dust from entering, can improve the safe handling of galvanometer.
Wherein main body face-piece and main body bottom case is made of high-strength material, is hardly damaged, and has certain security reliability.
The air cell that the utility model uses does Sensor parts, goes out sky by the reacting condition for detecting battery charge levels Oxygen content in gas because of the easy scheme that product uses, can use relatively low cost to detect the oxygen content in air, So can be simple in structure with batch application in teaching, securely and reliably.
The operation principle of air cell is to be reacted using the oxygen in air with the chemical substance generation inside air cell So as to generate charge, can be reflected in air by detecting the quantity of electric charge of air cell using the operation principle of air cell Oxygen content.Product circuit design can be simplified by selecting the Sensor parts that air cell does oxygen detection, reduce product cost, Can apply in teaching.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this field Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain Available technical solution is tested, it all should be in the protection domain being defined in the patent claims.

Claims (10)

1. oxygen content tester, it is characterised in that:Including main part and sensor assembly, the sensor assembly is connected to master The interior right edge in body portion, the main part include main body bottom case, main body face-piece and pcb board, the main body bottom case and main body face-piece Between snap connection, the pcb board is clamped between main body bottom case and main body face-piece, and the left side of the main body bottom case is provided with Battery case, the battery case are placed with the first battery, and the right side of the main body bottom case is provided with circular groove, and the circular groove is placed with It is single to draw winder.
2. oxygen content tester as described in claim 1, it is characterised in that:The pcb board is provided with LCD display, institute The anode of the first battery is stated to be electrically connected by anode shrapnel and pcb board, the cathode of first battery by cathode shrapnel with Pcb board is electrically connected.
3. oxygen content tester as described in claim 1, it is characterised in that:The front end interposition of the main body face-piece installs Caulking groove is equipped with, the caulking groove is equipped with PC eyeglasses.
4. oxygen content tester as described in claim 1, it is characterised in that:The front end left side setting of the main body face-piece There is circular hole, the circular hole is equipped with plastic key.
5. oxygen content tester as described in claim 1, it is characterised in that:It is described it is single draw winder and sensor assembly it Between be additionally provided with foam, the bottom of the main body bottom case is provided with battery cover in the corresponding position of battery.
6. oxygen content tester as described in claim 1, it is characterised in that:The sensor assembly includes lower casing, second Battery and upper casing, the lower casing are fixedly connected with upper casing, and second battery is arranged on upper casing, and the rear portion of the upper casing is provided with Hex nut, the battery top are provided with end cap.
7. oxygen content tester as claimed in claim 6, it is characterised in that:The anode of second battery is connected with anode Contact chip, the cathode of second battery are connected with cathode contact piece.
8. oxygen content tester as claimed in claim 6, it is characterised in that:First battery uses No. 7 batteries, described Second battery uses LR44 batteries.
9. oxygen content tester as described in claim 1, it is characterised in that:The pcb board is provided with control chip and guarantor Protection circuit, the control chip connection protection circuit.
10. oxygen content tester as described in claim 1, it is characterised in that:Between the main body face-piece and main body bottom case Junction is provided with gasket.
CN201721172645.9U 2017-09-13 2017-09-13 Oxygen content tester Active CN207488224U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721172645.9U CN207488224U (en) 2017-09-13 2017-09-13 Oxygen content tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721172645.9U CN207488224U (en) 2017-09-13 2017-09-13 Oxygen content tester

Publications (1)

Publication Number Publication Date
CN207488224U true CN207488224U (en) 2018-06-12

Family

ID=62481616

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721172645.9U Active CN207488224U (en) 2017-09-13 2017-09-13 Oxygen content tester

Country Status (1)

Country Link
CN (1) CN207488224U (en)

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