CN205941438U - Printing formula electrochemical gas sensor - Google Patents
Printing formula electrochemical gas sensor Download PDFInfo
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- CN205941438U CN205941438U CN201620936128.3U CN201620936128U CN205941438U CN 205941438 U CN205941438 U CN 205941438U CN 201620936128 U CN201620936128 U CN 201620936128U CN 205941438 U CN205941438 U CN 205941438U
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Abstract
The utility model relates to a printing formula electrochemical gas sensor, be applied to gaseous detection area, this sensor uses screen printing's mode to encapsulate electrolyte in more minor sensor electrolytic bath, and adopt low -cost carbon nanometer to lead the three electrode of magnetron as electrochemical sensor, the connected mode of rethread socket formula is connected with detecting instrument, this design is an outside pin of regarding the platinum slot as electrochemical sensor, the platinum slot is embedded in the middle of the sensor housing, adopt platinum contact pin and sensor platinum plug -in connection on the circuit board of instrument, so just in time the connected mode with traditional is opposite, adopt this kind of connected mode can be when reaching the traditional sensor fundamental characteristics, the sensor cost is reduced and reduced the size and the mounting dimension of sensor.
Description
Technical field
The utility model is related to a kind of gas-detecting device, more particularly, to a kind of printing-type electrochemical gas sensor.
Background technology
In industrial hand-held field of gas detection and civilian family carbon monoxide and alcohol detection field, traditional electrification
Learn sensor profile mainly based on column type, gas diffusion fence is plain gauze so that the entrance of gas diffusion concentration cannot
Control, affect electrochemical reaction effect, the weak current that electrolyte is occurred with gas is transmitted out using platinum electrode by inside,
And sensor is attached using contact pin type pin and external instrument, so can increase the size of instrument, male portion is outer
The problems such as dew appearance and size that such sensor exists on circuit boards is greatly and raw material is expensive is it is impossible to reduces cost and instrument are installed
Size.
In view of above-mentioned defect, the design people's actively in addition research and innovation, to founding a kind of printing-type electrochemistry gas
Body sensor is so as to more the value in industry.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model be provide that a kind of appearance and size is little, low cost and minimizing
The printing-type electrochemical gas sensor of installing space is to solve the problems, such as to propose in above-mentioned background technology.
The utility model be a kind of printing-type electrochemical gas sensor, include sensor housing be loaded in this housing
Sensor, described sensor housing is made up of sensor fore shell and sensor back cover, described sensor fore shell has passage, institute
State sensor back cover bottom and be provided with three platinum slots；Described sensor base is provided with three shapes, size and described platinum and inserts
The corresponding jack of groove, described platinum slot is inserted into the pin as sensor in corresponding jack, simultaneously as socket with outward
Portion's instrument is attached.
Further, described sensor includes pcb board, electrode and electrolytic cell, is encapsulated by way of serigraphy.
Further, described electrode is to be the induction electrode of carbon conductive nano pipe by material, to electrode and reference electrode
Composition.
Further, described platinum slot is cylinder, and section circular diameter is 2mm, and slot extends internally, and depth is 4mm,
3 platinum slots are transversely arranged successively and centre-to-centre spacing of two neighboring slot is 4mm.
Further, described printing-type electrochemical gas sensor is flat cuboid, and a width of 20mm is a length of
24mm, a height of 4.95mm.
By such scheme, the utility model at least has advantages below：Printing-type electrochemical gas of the present utility model
Sensor, electrolyte is encapsulated in less sensor electrolytic cell the mode using serigraphy, and the carbon using low cost
Conductive nano pipe, as three electrodes of sensor, is so reaching traditional sensors key property (detection range, precision, longevity
Life etc.) while, reduce the cost of electrochemical sensor and reduce the size of sensor；And the design be using socket as
The pin of electrochemical sensor, socket is embedded in the middle of sensor outer housing, adopts contact pin with sensor even on equipment circuit
Connect, so just contrary with traditional connected mode, and using cuboid be similar to flat look, reduce size sensor and
External instrument is fixed and the space being connected sensor.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and can be practiced according to the content of specification, the following is preferred embodiment of the present utility model and coordinate accompanying drawing detailed
Carefully it is described as follows.
Brief description
Fig. 1 is the structural facades figure of the utility model printing-type electrochemical gas sensor；
Fig. 2 is the structural front view of the utility model printing-type electrochemical gas sensor；
Fig. 3 is the back view of sensor back cover shown in Fig. 1；
Fig. 4 is sensor front elevation shown in Fig. 3；
Fig. 5 is sensor elevation shown in Fig. 3.
In figure：1st, sensor fore shell, 2, platinum slot, 3, sensor, 4, sensor back cover, 5, pcb board, 6, electrolytic cell,
7th, induction electrode, 8, to electrode, 9, reference electrode.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail, below
Embodiment is used for the utility model is described, but is not limited to scope of the present utility model.
Embodiment 1
In the present embodiment, as shown in Figure 1, Figure 2 and Figure 3, printing-type electrochemical gas sensor, including sensor housing and
It is loaded on the sensor 3 in this housing, sensor housing is made up of sensor fore shell 1 and sensor back cover 4, on sensor fore shell 1
There is passage, sensor back cover 4 bottom is provided with three platinum slots 2；Sensor 3 bottom is provided with three shapes, size and platinum
The corresponding jack of slot 2, platinum slot 2 is inserted into the pin in corresponding jack as sensor 3, simultaneously as socket with outward
Portion's instrument is attached.
In the present embodiment, the utility model uses female type connected mode, and sensor fore shell 1 is corresponding with sensor back cover 4
Connect, sensor is fixed on sensor back cover 4, and platinum slot 2 is fixed on sensor back cover 4 lower end, platinum slot 2 is sensing
The pin of device, and be attached with external instrument as socket.
In electrochemical gas sensor, traditional sensor is that sensor is carried out with external instrument using contact pin type pin
Connect, so can increase the size of instrument, male portion is to expose on circuit boards, and the design is as electrochemistry using socket
The pin of sensor, is connected with sensor using contact pin on equipment circuit, so just contrary with traditional connected mode,
It has been designed to flat rectangular shape on the basis of this, has so reduced the size of sensor, be also convenient for user and fixed and be connected
Sensor, reduces the space being connected.
Embodiment 2
Referring to shown in Fig. 4, Fig. 5, the present embodiment printing-type electrochemical gas sensor, on the basis of embodiment 1, sensing
Device includes pcb board 5, electrolytic cell 6, using serigraphy mode by electrolyte and electrode package in the sensor, electrode has three
Individual, induction electrode 7, to electrode 8, reference electrode 9 and material be carbon conductive nano pipe.The operation principle of the present embodiment is as follows：Electricity
Sensor of chemical gas is a kind of micro fuel cell element it is not necessary to maintaining and can keep long-term stability, it being original
Oxygen sensor on the basis of improve and obtain, it can directly reflect gas concentration without reflecting by partial pressure, and
Connected by a Low ESR external circuit.The gas diffusing into sensor occurs oxidation or reduction anti-on induction electrode surface
Should, produce an internal current between two electrodes, current value corresponds to gas concentration, external circuit accesses a load electricity
Resistance just can have detected to it.
Traditional electrochemical sensor profile mainly based on column type, internal using platinum electrode by electrolyte and gas
The weak current occurring transmits out, and electrolyte is encapsulated in less sensor using the mode of serigraphy by the utility model
In electrolytic cell and use female type connected mode, using inexpensive carbon conductive nano pipe as sensor three electrodes,
The size of sensor so can be reduced, and be also reduced on cost of material.
The above is only preferred embodiment of the present utility model, be not limited to the utility model it is noted that
For those skilled in the art, on the premise of without departing from the utility model know-why, can also do
Go out some improvement and modification, these improve and modification also should be regarded as protection domain of the present utility model.
Claims (5)
1. a kind of printing-type electrochemical gas sensor, including sensor housing and the sensor (3) being loaded in this housing, described
Sensor housing is made up of sensor fore shell (1) and sensor back cover (4), and described sensor fore shell (1) has passage, and it is special
Levy and be：Described sensor back cover (4) bottom is provided with three platinum slots (2)；Described sensor (3) bottom is provided with three shapes
Shape, the size jack corresponding with described platinum slot (2), described platinum slot (2) is inserted in corresponding jack as sensing
The pin of device (3), is attached with external instrument simultaneously as socket.
2. printing-type electrochemical gas sensor according to claim 1 it is characterised in that：Described sensor includes PCB
Plate (5), electrode and electrolytic cell (6), are encapsulated by way of serigraphy.
3. printing-type electrochemical gas sensor according to claim 2 it is characterised in that：Described electrode is equal by material
Induction electrode (7) for carbon conductive nano pipe, to electrode (8) and reference electrode (9) composition.
4. printing-type electrochemical gas sensor according to claim 1 it is characterised in that：Described platinum slot (2) is
Cylinder, section circular diameter is 2mm, and slot extends internally, and depth is 4mm, and three platinum slots are transversely arranged and adjacent successively
The centre-to-centre spacing of two slots is 4mm.
5. printing-type electrochemical gas sensor according to claim 1 it is characterised in that：Described sensor housing is flat
Flat-shaped cuboid, a width of 20mm, a length of 24mm, a height of 4.95mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620936128.3U CN205941438U (en) | 2016-08-24 | 2016-08-24 | Printing formula electrochemical gas sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620936128.3U CN205941438U (en) | 2016-08-24 | 2016-08-24 | Printing formula electrochemical gas sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941438U true CN205941438U (en) | 2017-02-08 |
Family
ID=57952770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620936128.3U Active CN205941438U (en) | 2016-08-24 | 2016-08-24 | Printing formula electrochemical gas sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124329A1 (en) * | 2021-12-31 | 2023-07-06 | 无锡市尚沃医疗电子股份有限公司 | Electrochemical gas sensor and manufacturing method therefor |
-
2016
- 2016-08-24 CN CN201620936128.3U patent/CN205941438U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124329A1 (en) * | 2021-12-31 | 2023-07-06 | 无锡市尚沃医疗电子股份有限公司 | Electrochemical gas sensor and manufacturing method therefor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |