CN208780673U - JAF-5000 explosion proof and corrosion protection scene display alarm combustible and poisonous gas detector - Google Patents
JAF-5000 explosion proof and corrosion protection scene display alarm combustible and poisonous gas detector Download PDFInfo
- Publication number
- CN208780673U CN208780673U CN201821011987.7U CN201821011987U CN208780673U CN 208780673 U CN208780673 U CN 208780673U CN 201821011987 U CN201821011987 U CN 201821011987U CN 208780673 U CN208780673 U CN 208780673U
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- lower casing
- sensor
- upper cover
- wall
- casing
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Abstract
The utility model discloses a kind of JAF-5000 explosion proof and corrosion protection scenes to show alarm combustible and poisonous gas detector, including upper cover and lower casing, the upper cover and lower casing are hollow structure, and upper cover is located at the top of lower casing, the upper cover is connected with lower casing, the junction of the upper cover and lower casing is equipped with O-ring, circuit board module is equipped in the lower casing, and circuit board module passes through fixed device and the bottom interior wall of lower casing connects, the fixed device includes screw, spring washer plain washer and ground connection label, spring washer plain washer and ground connection label are successively socketed on the screw rod outer wall of screw, and spring washer is in contact with screw nut.The utility model, the utility model can effectively measure flammable, toxic gas in place, it can be realized the highly sensitive real-time detection to the gas in detector monitors region and show current concentration value, concentration issues sound-light alarm when being more than setting value, it can be avoided the danger of explosion, to ensure the safety of lives and properties.
Description
Technical field
The utility model relates to gas detector technical fields more particularly to a kind of JAF-5000 explosion proof and corrosion protection scene to show
Alarm combustible and poisonous gas detector.
Background technique
Various toxic gas detectors currently on the market, the signal processing circuit of gas sensor and the electricity of detector
Source conversion and driving circuit all integrate.Since the sensor of toxic gas detector is largely that electrochemistry type air-sensitive passes
Sensor, these detectors all need to scene to be passed through object gas, in operation, detector using when will receive poisonous gas
Corrosion, and be easy to produce explosion, defective detector has difficult in maintenance and maintenance trouble, spy currently on the market
It surveys device majority and is only able to detect flammable, toxic gas ingredient, can not show flammable, toxic gas concentration.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the JAF-5000 proposed is explosion-proof anti-
Rotten scene display alarm combustible and poisonous gas detector.
To achieve the goals above, the utility model adopts the technical scheme that
JAF-5000 explosion proof and corrosion protection scene display alarm combustible and poisonous gas detector, including upper cover and lower casing, it is described on
Lid and lower casing are hollow structure, and upper cover is located at the top of lower casing, and the upper cover is connected with lower casing, the upper cover and lower casing
Junction be equipped with O-ring, circuit board module is equipped in the lower casing, and circuit board module passes through the bottom of fixed device and lower casing
The connection of portion's inner wall, the fixed device include screw, spring washer plain washer and ground connection label, spring washer plain washer and ground connection
Label is successively socketed on the screw rod outer wall of screw, and spring washer is in contact with screw nut, and the two sides of the lower casing connect
It is connected to anti-explosion packing gland, and anti-explosion packing gland extends to the inside of lower casing, and the side outer wall of lower casing passes through fixed device connection
There is inductor assembly, the inductor assembly includes sensor upper casing and sensor lower casing, and the sensor upper casing is located at sensing
Above device lower casing, and sensor upper casing is connected with sensor lower casing, and the junction of sensor upper casing and sensor lower casing is set
There is the second O-ring, the sensor upper casing and sensor lower casing are hollow structure, and the inner wall of sensor upper casing is equipped with the
Two fasteners, the sensor upper casing inner wall is equipped with groove, and groove is located at the top of the second fastener, is equipped with resistance in groove
Fiery piece, the sensor lower casing is interior to be equipped with inductor, and inductor is connect with circuit board module, on the two sides inner wall of the upper cover
Equipped with fastener, and the inner wall of upper cover is equipped with card slot, and card slot is located at the top of fastener, is equipped with tempering glass in the card slot
Glass, and tempered glass is equipped with gasket.
Preferably, the inner wall of the upper cover is equipped with internal screw thread, and the outer wall of lower casing is equipped with external screw thread, and upper cover and lower casing
It is connected by screw thread.
Preferably, the inner wall of the sensor upper casing is equipped with internal screw thread, and the outer wall of sensor lower casing is equipped with external screw thread,
And sensor upper casing is connected with sensor lower casing by screw thread.
Preferably, equal encapsulation has epoxy between the sensor upper casing and fire retarding sheet, between sensor lower casing and inductor
Resin.
Preferably, the upper casing is equipped with display screen and indicator light, and display screen and indicator light are connect with circuit board module,
And the outer wall of lower casing is equipped with stainless steel nameplate.
The utility model has the following beneficial effects:
1, fuel gas or detector for poisonous gas are adopted using covering transparency window on protected against explosion almag shell, detector
With tempered glass, shell is beautiful, intensity is high, corrosion-resistant；
2, inductor uses high-performance gas sensor, wiring board modular designs, have high sensitivity, stability it is strong,
Service life length, advantage low in energy consumption.
The utility model can effectively measure flammable, toxic gas in place, can be realized to detector monitors
The highly sensitive real-time detection of gas in region simultaneously shows current concentration value, and acousto-optic report is issued when concentration is more than setting value
It is alert, it can be avoided the danger of explosion, to ensure the safety of lives and properties.
Detailed description of the invention
Fig. 1 be the utility model proposes JAF-5000 explosion proof and corrosion protection scene display alarm combustible and poisonous gas detector
Overlooking structure diagram；
Fig. 2 be the utility model proposes JAF-5000 explosion proof and corrosion protection scene display alarm combustible and poisonous gas detector
The schematic diagram of the section structure；
Fig. 3 be the utility model proposes JAF-5000 explosion proof and corrosion protection scene display alarm combustible and poisonous gas detector
Sensor structure schematic diagram.
In figure: under 1 upper cover, 2 circuit board modules, 3O type circle, 4 screws, 5 spring washers, 6 plain washers, 7 ground connection labels, 8
Shell, 9 inductor assemblies, 10 fasteners, 11 tempered glass, 12 gaskets, 13 anti-explosion packing glands, 14 sensor upper casings, 15 back-fire reliefs
Piece, 16 second fasteners, 17 inductors, 18 sensor lower casings, 19 second O-rings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, JAF-5000 explosion proof and corrosion protection scene display alarm combustible and poisonous gas detector, including 1 He of upper cover
Lower casing 8, upper cover 1 and lower casing 8 are hollow structure, and upper cover 1 is located at the top of lower casing 8, and upper cover 1 is connected with lower casing 8, upper cover
1 is equipped with O-ring 3 with the junction of lower casing 8, is equipped with circuit board module 2 in lower casing 8, and circuit board module 2 pass through fixed device with
The bottom interior wall of lower casing 8 connects, and fixed device includes that screw 4,5 plain washer 6 of spring washer and ground connection label 7, spring washer 5 are flat
Washer 6 and ground connection label 7 are successively socketed on the screw rod outer wall of screw 4, and spring washer 5 is in contact with 4 nut of screw, lower casing
8 two sides are respectively connected with anti-explosion packing gland 13, and anti-explosion packing gland 13 extends to the inside of lower casing 8, and the side outer wall of lower casing 8
It is connected with inductor assembly 9 by fixed device, inductor assembly 9 includes sensor upper casing 14 and sensor lower casing 18, sensing
Device upper casing 14 is located at 18 top of sensor lower casing, and sensor upper casing 14 is connected with sensor lower casing 18, and sensor upper casing
14 and sensor lower casing 18 junction be equipped with the second O-ring 19, sensor upper casing 14 and sensor lower casing 18 are hollow knot
Structure, and the inner wall of sensor upper casing 14 is equipped with the second fastener 16,14 inner wall of sensor upper casing is equipped with groove, and groove position
In the top of the second fastener 16, it is equipped with fire retarding sheet 15 in groove, inductor 17, and inductor 17 are equipped in sensor lower casing 18
It is connect with circuit board module 2, the two sides inner wall of upper cover 1 is equipped with fastener 10, and the inner wall of upper cover 1 is equipped with card slot, and blocks
Slot position is in the top of fastener 10, and card slot is interior to be equipped with tempered glass 11, and tempered glass 11 is equipped with gasket 12.
The utility model, the inner wall of upper cover 1 are equipped with internal screw thread, and the outer wall of lower casing 8 is equipped with external screw thread, and 1 He of upper cover
Lower casing 8 is connected by screw thread, and the inner wall of sensor upper casing 14 is equipped with internal screw thread, and the outer wall of sensor lower casing 18 is equipped with outer
Screw thread, and sensor upper casing 14 is connected with sensor lower casing 18 by screw thread, between sensor upper casing 14 and fire retarding sheet 15, is passed
Equal encapsulation has epoxy resin between sensor lower casing 18 and inductor 17, and upper casing 1 is equipped with display screen and indicator light, display screen and refers to
Show that lamp is connect with circuit board module 2, and the outer wall of lower casing 8 is equipped with stainless steel nameplate.
Working principle: it is special with detected gas phase reaction to exist when being detected using detector, inside inductor 17
Electrolyte, when there is detected gas participation, inside is chemically reacted, and leads to the imbalance of electrolyte internal emf and shape
At electric current, the concentration of this current signal size and detected gas is proportional, after the processing of circuit board assemblies 2,
The concentration of detected gas is transmitted with actual gas Concentration Forms by current signal, and phase is shown according to current signal
Corresponding gas concentration data.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1.JAF-5000 explosion proof and corrosion protection scene display alarm combustible and poisonous gas detector, including upper cover (1) and lower casing (8),
It is characterized in that, the upper cover (1) and lower casing (8) are hollow structure, and upper cover (1) is located at the top of lower casing (8), the upper cover
(1) it is connected with lower casing (8), the junction of the upper cover (1) and lower casing (8) is equipped with O-ring (3), is equipped in the lower casing (8)
Circuit board module (2), and circuit board module (2) passes through fixed device and connect with the bottom interior wall of lower casing (8), the fixed device
Including screw (4), spring washer (5) plain washer (6) and ground connection label (7), spring washer (5) plain washer (6) and ground connection label
(7) it is successively socketed on the screw rod outer wall of screw (4), and spring washer (5) is in contact with screw (4) nut, the lower casing (8)
Two sides be respectively connected with anti-explosion packing gland (13), and anti-explosion packing gland (13) extends to the inside of lower casing (8), and lower casing (8)
Side outer wall is connected with inductor assembly (9) by fixed device, the inductor assembly (9) include sensor upper casing (14) and
Sensor lower casing (18), the sensor upper casing (14) are located above sensor lower casing (18), and sensor upper casing (14) and biography
Sensor lower casing (18) is connected, and the junction of sensor upper casing (14) and sensor lower casing (18) is equipped with the second O-ring (19),
The sensor upper casing (14) and sensor lower casing (18) are hollow structure, and the inner wall of sensor upper casing (14) is equipped with the
Two fasteners (16), sensor upper casing (14) inner wall is equipped with groove, and groove is located at the top of the second fastener (16),
Fire retarding sheet (15) are equipped in groove, are equipped with inductor (17) in the sensor lower casing (18), and inductor (17) and wiring board
The two sides inner wall of component (2) connection, the upper cover (1) is equipped with fastener (10), and the inner wall of upper cover (1) is equipped with card slot,
And card slot is located at the top of fastener (10), is equipped with tempered glass (11) in the card slot, and tempered glass (11) is equipped with close
Packing (12).
2. JAF-5000 explosion proof and corrosion protection according to claim 1 scene display alarm combustible and poisonous gas detector, special
Sign is, the inner wall of the upper cover (1) is equipped with internal screw thread, and the outer wall of lower casing (8) is equipped with external screw thread, and upper cover (1) and under
Shell (8) is connected by screw thread.
3. JAF-5000 explosion proof and corrosion protection according to claim 1 scene display alarm combustible and poisonous gas detector, special
Sign is that the inner wall of the sensor upper casing (14) is equipped with internal screw thread, and the outer wall of sensor lower casing (18) is equipped with external screw thread,
And sensor upper casing (14) is connected with sensor lower casing (18) by screw thread.
4. JAF-5000 explosion proof and corrosion protection according to claim 1 scene display alarm combustible and poisonous gas detector, special
Sign is, pours between the sensor upper casing (14) and fire retarding sheet (15), between sensor lower casing (18) and inductor (17)
Envelope has epoxy resin.
5. JAF-5000 explosion proof and corrosion protection according to claim 1 scene display alarm combustible and poisonous gas detector, special
Sign is that the upper cover (1) is equipped with display screen and indicator light, and the outer wall of lower casing (8) is equipped with stainless steel nameplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011987.7U CN208780673U (en) | 2018-06-28 | 2018-06-28 | JAF-5000 explosion proof and corrosion protection scene display alarm combustible and poisonous gas detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821011987.7U CN208780673U (en) | 2018-06-28 | 2018-06-28 | JAF-5000 explosion proof and corrosion protection scene display alarm combustible and poisonous gas detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208780673U true CN208780673U (en) | 2019-04-23 |
Family
ID=66152962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821011987.7U Expired - Fee Related CN208780673U (en) | 2018-06-28 | 2018-06-28 | JAF-5000 explosion proof and corrosion protection scene display alarm combustible and poisonous gas detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208780673U (en) |
-
2018
- 2018-06-28 CN CN201821011987.7U patent/CN208780673U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190423 Termination date: 20200628 |