A kind of liquefied petroleum gas valve safety detection device
Technical field
The utility model relates to liquefied petroleum gas valve gate technology fields, more specifically, originally practical to be related to a kind of liquefaction stone
Oil gas valve safety detection device.
Background technique
Liquefied petroleum gas is to carry out a kind of obtained nothing of pressurization cooling liquefaction by natural gas or petroleum in oil plant
Color volatile liquid, its easily spontaneous combustion, after its aerial content has reached certain concentration range, it encounters open fire just
It can explode, traditional usage mode connects pressure reducing valve, pressure reducing valve connection by installing valve, valve on liquefied petroleum gas cylinder
Gas kitchen, and in order to detect air pressure, avoid air pressure it is too low or it is excessively high cause security risk, need to pacify liquefied petroleum gas cylinder
Fill detection device.
Through retrieving, Chinese utility model patent discloses a kind of liquefied petroleum gas valve safety detection device (authorization disclosure
Number be CN206754573U), safety detection device is added between valve and pressure reducing valve, leakage is provided in safety detection device
Gas detection device and pressure test device, gas leak detection device is for detecting liquefier whether toward external leakage, if leakage back leak
Gas detection device meeting electric conduction, makes coil generate magnetic field, and magnetic field is repelled each other with cylindrical magnet, and cylindrical magnet drives depressed stem, makes
Electromagnetic valve body gas port block, pressure test device detect electromagnetic valve body gas port in atmospheric pressure, if air pressure compared with
It is small, illustrate that the liquefied petroleum gas surplus in gas cylinder is insufficient, needs to be inflated.
But the installation and removal between two protecting crusts up and down of the detection device in above-mentioned patent lead to water proof and dust proof
Can be bad, although and be able to detect that the variation of air pressure, the person of being not convenient to use carries out remote reviewing and control.
Utility model content
In order to overcome the drawbacks described above of the prior art, the embodiments of the present invention provide a kind of liquefied petroleum gas valve peace
Full detection device, convenient for the installation and removal between upper and lower two protecting crust, and the water proof and dust proof performance of this mounting means is more
Well, be also convenient for user and the numerical value of pressure gauge remotely monitored by handheld terminal, at the same can be to pressure gauge housing at the top of
Protective glass is wiped, and prevents that protective glass surface is caused to generate the observation that water mist influences user due to the temperature difference.
To achieve the above object, the utility model provides the following technical solutions: a kind of liquefied petroleum gas valve safety detection
Device, including air pressure detector, the bottom of the air pressure detector is connected with tracheae, and the top of air pressure detector is provided with pressure
Power watch case, the outside of the air pressure detector are equipped with lower protecting crust, and the both ends of the lower protecting crust correspond to the outside of tracheae
Stop collar is provided at position, one end of the tracheae is connected with pressure reducing valve adapter, the side of the pressure reducing valve adapter
It is connected with pressure reducing valve, the top of the lower protecting crust is connected with protecting crust, under corresponding at the bottom margin of the upper protecting crust
It is provided with limit card block outside the tip edge of protecting crust, the limit card block is externally connected to fixing bolt, described anti-
The inside of protective case is equipped with servo motor, and the bottom end of the servo motor is connected with shaft, and the bottom end of the shaft is close to pressure
Fixed link is connected with above watch case, the bottom of the fixed link is provided with foam-rubber cushion, and the inner wall of the upper protecting crust is located at
Camera is installed, and the inner sidewall of upper protecting crust is close to the top position of pressure gauge housing at the top position of pressure gauge housing
Place is equipped with LED light, and the inner back side wall of the upper protecting crust is equipped with singlechip controller.
In a preferred embodiment, position outside the top edge of the corresponding lower protecting crust in the inside of the limit card block
The place of setting is provided with limiting slot, and the width of limiting slot is greater than the top thickness of lower protecting crust, and the inside of the limit card block is under
The top of protecting crust corresponds to and is provided with internal thread hole at the screw rod external position of fixing bolt.
In a preferred embodiment, it is binded and is connected by hot melt adhesive between the stop collar and the outer wall of lower protecting crust
It connects, and the internal diameter of stop collar is greater than the outer diameter of tracheae.
In a preferred embodiment, the servo motor is externally connected to fixed frame, fixed frame and upper protection
It is bolted between the inner wall of shell.
In a preferred embodiment, the connection type between the bottom end of the shaft and the top of fixed link is weldering
It connects.
In a preferred embodiment, the bottom for being connected to fixed link, and foam-rubber cushion are engaged at the top of the foam-rubber cushion
To be in locating height identical lower surface and the upper surface of pressure gauge housing.
The technical effect and advantage of the utility model:
1, by the way that air pressure detector to be equipped with to the inside of lower protecting crust, the top of lower protecting crust is connected with the utility model
Upper protecting crust is provided with limit card block outside the tip edge of corresponding lower protecting crust at the bottom margin of upper protecting crust, limiting card
It is provided with limiting slot at the top edge external position of the corresponding lower protecting crust in the inside of block, and the width of limiting slot is greater than lower protection
The top thickness of shell, limit card block are externally connected to fixing bolt, and the inside of limit card block is corresponding with the top of lower protecting crust
Be provided with internal thread hole at the screw rod external position of fixing bolt, convenient between upper protecting crust and lower protecting crust installation with tear open
It unloads, and the water proof and dust proof performance of this mounting means is better;
2, the utility model, which is located at the top position of pressure gauge housing by the inner wall in upper protecting crust, is equipped with camera shooting
Head, and the inner sidewall of upper protecting crust is equipped with LED lamp at the top position of pressure gauge housing, behind the inside of upper protecting crust
Side wall is equipped with singlechip controller, convenient for carrying out light filling monitoring to the pressure gauge housing inside lower protecting crust, and passes through monolithic
Machine controller is by the picture transmission of monitoring to exterior terminal, convenient for users to passing through terminal remote control singlechip controller, into
And LED light and camera operation are controlled, the numerical value of pressure gauge is observed in real time;
3, by being equipped with servo motor in the inside of upper protecting crust, the bottom end of servo motor is connected with to be turned the utility model
Axis, the bottom end of shaft are connected with fixed link above pressure gauge housing, and the bottom of fixed link, which is connected together, foam-rubber cushion, sea
The lower surface of silk floss pad is identical in locating height as the upper surface of pressure gauge housing, convenient for driving foam-rubber cushion rotation in fixed link
When the protective glass at the top of pressure gauge housing can be wiped, prevent from causing due to the temperature difference protective glass surface to generate water mist
The monitoring of camera is influenced, and then influences the observation of user.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram of the utility model.
Fig. 2 is the main view of the utility model.
Fig. 3 is the structural schematic diagram of protecting crust entirety in the utility model.
Fig. 4 is the mounting structure schematic diagram of foam-rubber cushion in the utility model.
Appended drawing reference are as follows: 1 air pressure detector, 2 tracheaes, 3 pressure gauge housings, 4 lower protecting crusts, 5 stop collars, 6 pressure reducing valves turn
Connector, 7 pressure reducing valves, protecting crust, 9 servo motors, 10 shafts, 11 fixed links, 12 foam-rubber cushions, 13 limit card blocks, 14 fixed spiral shells on 8
Bolt, 15 cameras, 16 LED light, 17 singlechip controllers, 141 internal thread holes.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of liquefied petroleum gas valve safety detection device as shown in Figs 1-4, including air pressure
Detector 1, the bottom of the air pressure detector 1 is connected with tracheae 2, and the top of air pressure detector 1 is provided with pressure gauge housing
3, the outside of the air pressure detector 1 is equipped with lower protecting crust 4, and the both ends of the lower protecting crust 4 correspond to the external position of tracheae 2
Place is provided with stop collar 5, and one end of the tracheae 2 is connected with pressure reducing valve adapter 6, the side of the pressure reducing valve adapter 6
It is connected with pressure reducing valve 7, the top of the lower protecting crust 4 is connected with protecting crust 8, at the bottom margin of the upper protecting crust 8 pair
Limit card block 13 should be descended outside the tip edge of protecting crust 4 to be provided with, the limit card block 13 is externally connected to fixing bolt
14, the inside of the upper protecting crust 8 is equipped with servo motor 9, and the bottom end of the servo motor 9 is connected with shaft 10, and described turn
The bottom end of axis 10 is connected with fixed link 11 close to the top of pressure gauge housing 3, and the bottom of the fixed link 11 is provided with foam-rubber cushion
12, the inner wall of the upper protecting crust 8, which is located at the top position of pressure gauge housing 3, is equipped with camera 15, and upper protecting crust 8
Inner sidewall is equipped with LED light 16, the inner back side wall installation of the upper protecting crust 8 at the top position of pressure gauge housing 3
There is singlechip controller 17.
Further, it is provided at the top edge external position of the corresponding lower protecting crust 4 in the inside of the limit card block 13
Limiting slot, and the width of limiting slot is greater than the top thickness of lower protecting crust 4, the inside of the limit card block 13 and lower protecting crust 4
Top correspond to and be provided with internal thread hole 141 at the screw rod external position of fixing bolt 14, convenient for upper protecting crust 8 and lower protection
Installation and removal between shell 4.
Further, pass through hot melt adhesive Adherents junction, and stop collar 5 between the stop collar 5 and the outer wall of lower protecting crust 4
Internal diameter be greater than tracheae 2 outer diameter, convenient for the inside of protecting crust 4 under the stable access of tracheae 2.
Further, the servo motor 9 is externally connected to fixed frame, between fixed frame and the inner wall of upper protecting crust 8
It is bolted, the installation convenient for servo motor 9 is fixed.
Further, the connection type between the bottom end of the shaft 10 and the top of fixed link 11 is welding, convenient for solid
Fixed pole 11 is connected and fixed with shaft 10.
Further, the bottom for being connected to fixed link 11, and the lower surface of foam-rubber cushion 12 are engaged at the top of the foam-rubber cushion 12
It is identical in locating height as the upper surface of pressure gauge housing 3, convenient for driving foam-rubber cushion 12 can when rotating in fixed link 11
The protective glass at 3 top of pressure gauge housing is wiped, prevent causes protective glass surface to generate water mist due to the temperature difference influences
Observation.
Further, singlechip controller 17 use model 80C51, convenient for the electrical component inside whole device into
Row intelligent control.
Utility model works principle:
Referring to Figure of description 1-3, the outside of air pressure detector 1 is equipped with lower protecting crust 4, and the top of lower protecting crust 4 connects
It is connected to protecting crust 8, is provided with limit card block outside the tip edge of corresponding lower protecting crust 4 at the bottom margin of upper protecting crust 8
13, limiting slot, and the width of limiting slot are provided at the top edge external position of protecting crust 4 under the inside of limit card block 13 is corresponding
Degree is greater than the top thickness of lower protecting crust 4, and limit card block 13 is externally connected to fixing bolt 14, the inside of limit card block 13 with
The top of lower protecting crust 4 corresponds to and is provided with internal thread hole 141 at the screw rod external position of fixing bolt 14, is convenient for upper protecting crust
Installation and removal between 8 and lower protecting crust 4, and the water proof and dust proof performance of this mounting means is better;
Further, referring to Figure of description 1, the inner wall of upper protecting crust 8, which is located at the top position of pressure gauge housing 3, pacifies
Equipped with camera 15, and the inner sidewall of upper protecting crust 8 is equipped with LED light 16 at the top position of pressure gauge housing 3, upper anti-
The inner back side wall of protective case 8 is equipped with singlechip controller 17, convenient for mending to the pressure gauge housing 3 inside lower protecting crust 4
Light monitoring, and by singlechip controller 17 by the picture transmission of monitoring to exterior terminal, convenient for users to passing through terminal remote
Control single chip computer controller 17, and then LED light 16 and the operation of camera 15 are controlled, the numerical value of pressure gauge is observed in real time;
Further, referring to Figure of description 1 and attached drawing 4, the inside of upper protecting crust 8 is equipped with servo motor 9, servo electricity
The bottom end of machine 9 is connected with shaft 10, and the bottom end of shaft 10 is connected with fixed link 11, fixed link close to the top of pressure gauge housing 3
11 bottom, which is connected together, foam-rubber cushion 12, and the lower surface of foam-rubber cushion 12 and the upper surface of pressure gauge housing 3 are in locating height
Spend it is identical, convenient for that can be wiped the protective glass at the top of pressure gauge housing 3 when fixed link 11 drives foam-rubber cushion 12 to rotate
It wipes, prevent causes protective glass surface to generate water mist due to the temperature difference influences the monitoring of camera 15, and then influences user's
Observation.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change;
Secondly: the utility model discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure,
His structure, which can refer to, to be commonly designed, and under not conflict situations, the utility model the same embodiment and different embodiments can be mutual
Combination;
Last: the above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.