CN209280194U - A kind of instant detection device of pressure of positive draft device - Google Patents
A kind of instant detection device of pressure of positive draft device Download PDFInfo
- Publication number
- CN209280194U CN209280194U CN201920112306.4U CN201920112306U CN209280194U CN 209280194 U CN209280194 U CN 209280194U CN 201920112306 U CN201920112306 U CN 201920112306U CN 209280194 U CN209280194 U CN 209280194U
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- China
- Prior art keywords
- pressure
- positive draft
- draft device
- positive
- display device
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- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 231100001261 hazardous Toxicity 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model provides a kind of instant detection device of pressure of positive draft device, is arranged on positive draft device, including pressure-display device, positive draft device rear end is set to, for showing pressure in positive draft device；Regulating device is fixed at positive draft device inner cavity, passes through positive draft device rear end and the pressure-display device that is sequentially connected, for driving pressure-display device to rotate by axis of regulating device central axis；Regulating switch is set on positive draft device front end face, is electrically connected with regulating device.It further include the pressure pipeline component being connect with positive draft device pressure sensor, pressure pipeline component one end is connect with pressure sensor, and the pressure pipeline component other end passes through positive draft device rear end and connect with pressure-display device.The utility model is simple in sturcture, ingenious in design, realizes that pressure detects on the spot, and facilitate the inspection of patrol officer.
Description
Technical field
The utility model belongs to antiknock device technical field, and the pressure for being related to a kind of positive draft device detects dress immediately
Set, specifically, be it is a kind of cooperate pressure maintaining type leakage compensation type positive draft device instant pressure be monitored in situ system.
Background technique
The fields such as coal in China, petroleum, chemical industry are constantly newly-built in recent years, expansion project, the demand to electric apparatus for explosive atmospheres
Increase year by year, some electrical equipments, due to the change of explosion-proof area, are drawn after project transformation by the safety zone where original
It is divided into danger zone, then will necessarily just improve the requirement to electrical explosion proof grade.
Pressure maintaining type leakage compensation type positive draft device be cooperate motor positive draft capital equipment, be used in petroleum,
The equipment of the danger explosion-proof area such as petrochemical industry, natural gas, chemical industry, it is intended to which the explosive-proof grade for improving equipment meets the anti-of danger zone
Quick-fried class requirement improves the safety that equipment uses.And positive draft device is exactly that motor is cooperated to use, before motor opens machine
Hazardous gas inside motor is all excluded, lasting purging is provided in motor operation, and guarantee micro-positive pressure shape inside motor
State prevents extraneous hazardous gas from entering inside motor, to realize the explosion prevention function of motor.
Currently, positive draft device is generally possible to provide high-low pressure and the signal of intermediate pressure is given to middle control, can monitor
The variation of motor cavity pressure simultaneously provides overload alarm.But due to the limitation in positive draft control device in-site installation space,
There is no scenes, and pressure display equipment is arranged, to cannot achieve the motor cavity pressure real-time display provided in equipment on the spot
Function, this is just that operator or inspection people have manufactured certain difficulty during the work time.Moreover, because positive draft device
For the structure of a relative closure, the equipment that patrol officer carries can not be to positive draft device site inspection pressure.
Therefore, above-mentioned technological deficiency exists in the prior art, is those skilled in the art's technical problem urgently to be resolved.
Utility model content
The main purpose of the utility model is to provide a kind of instant detection devices of pressure of positive draft device, it is intended to solve
Certainly the technical problems existing in the prior art.
In order to achieve the above purpose, the pressure that the utility model provides a kind of positive draft device detects dress immediately
It sets, is arranged on positive draft device, including pressure-display device, be set to positive draft device rear end, for showing just
Press pressure in ventilation device；Regulating device is fixed at positive draft device inner cavity, passes through the positive draft device
Rear end and the pressure-display device that is sequentially connected, for driving the pressure-display device to be with the regulating device central axis
Axis rotation；Regulating switch is set on the positive draft device front end face, is electrically connected with the regulating device.
It further, further include the pressure pipeline component being connect with the positive draft device pressure sensor, it is described
Pressure pipeline component one end is connect with the pressure sensor, and the pressure pipeline component other end is filled across the positive draft
End is postponed to connect with the pressure-display device.
Further, the pressure pipeline component includes Y type gas-tpe fitting, the first hose, fixing bolt, copper pipe and second
Hose, the Y type gas-tpe fitting are mounted on bottom in the positive draft device, the Y type gas-tpe fitting by fixing bolt
One upper port connects first hose one end, and the first hose other end is connect with the pressure sensor, the Y type tracheae
Another upper port connecting copper pipe one end of connector, the copper pipe other end pass through the positive draft device rear end face and connect the
Two hose one end, the second hose other end connect the pressure-display device.
It further, further include gas quick plug, the Y type gas-tpe fitting lower end is pierced by downwards the positive draft dress
It sets, the Y type gas-tpe fitting lower end is equipped with the gas quick plug.
Further, the regulating device includes driving motor and output shaft, and the driving motor is fixedly mounted on described
The output shaft of positive draft device intracavity posterior end, the driving motor passes through positive draft device rear end and the institute that is sequentially connected
State pressure-display device.
Further, the pressure-display device includes support tube and pressure gauge, described support tube one end and the driving
Motor output shaft end is fixedly connected, and the support tube other end is fixedly connected with pressure gauge, and second hose is from the support
Pipe penetrates and connects the pressure gauge.
It further, further include placing groove, positive draft device rear end offers placing groove, the pressure display dress
It installs in the placing groove.
Using the technical solution of the utility model, by the way that concealed pressure display dress is arranged in positive draft device rear end
It sets, real-time monitoring and can show the pressure state of motor cavity, and adjust through orientation of the regulating device to pressure-display device
Section, so that it is logical to solve existing positive pressure after being exposed or being hidden in positive draft device by positive draft device when checking
The space limitation of wind apparatus installation；And gas quick plug is provided under Y type gas-tpe fitting, patrol officer can be by taking with oneself
The pressure checking device of band is connect with gas quick plug, realizes pressure detecting on the spot, moreover it is possible to whether examine pressure-display device
In normal operating conditions.The utility model is simple in sturcture, ingenious in design, realizes that pressure detects on the spot, and facilitate patrol officer
Inspection.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 diagrammatically illustrates the main view of the utility model；
Fig. 2 diagrammatically illustrates the main view usage state diagram of the utility model；
Fig. 3 diagrammatically illustrates Local map inside the positive draft device of the utility model；
Fig. 4 diagrammatically illustrates the utility model right view；
Fig. 5 diagrammatically illustrates the utility model rearview；
Wherein, the above drawings include the following reference numerals:
1 positive draft device；2 pressure-display devices；21 support tubes；22 pressure gauges；3 regulating devices；31 driving motors；32
Output shaft；4 regulating switches；5 pressure sensors；6 pressure pipeline components；61 Y type gas-tpe fittings；62 first hoses；63 fixed spiral shells
Bolt；64 copper pipes；65 second hoses；7 gas quick plugs；8 placing grooves.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that described further below be all exemplary, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.
In addition, belonging to " comprising " and " having " and their any deformation, it is intended that covering non-exclusive includes example
Such as, process, method, system, product or the equipment for containing a series of steps or units those of are not necessarily limited to be clearly listed
Step or unit, but may include being not clearly listed or intrinsic for these process, methods, product or equipment other
Step or unit.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.
For example, being described as if the device in attached drawing is squeezed " in the top of other devices or construction " or " at other
On device or construction " device after will be positioned as " below other devices or construction " or " in other devices or construction
Under ".Thus, exemplary term " in ... top " may include " in ... top " and " in ... lower section " two kinds of orientation.
The device can also be with other 90 degree of different position rotatings or in other orientation, and describe to space used herein above is opposite
Make respective explanations.
In this application documents, positive draft device is used in a kind of positive draft device on high-voltage motor, by electricity
The purging of machine and subsequent constant ventilation keep the micro-positive pressure inside motor, prevent external hazardous gas from entering in motor
Portion, to realize explosion-proof purpose.
Referring to figs. 1 to 5, the utility model provides a kind of instant detection device of pressure of positive draft device,
It is arranged on positive draft device 1, including pressure-display device 2, is set to 1 rear end of positive draft device, for shows just
Pressure in inside ventilation device 1 and motor is pressed, is specifically attached with the pressure sensor 5 in positive draft device 1, is reacted
The pressure state of motor cavity.Since the rear end of positive draft device 1 is arranged in pressure-display device 2, by positive draft device 1
It is blocked, to spatially will not influence the normal use of positive draft device 1.And patrol officer checks in electric equipment compartment
When, it needs for pressure-display device 2 to be exposed, to be provided with regulating device 3, is fixed at the positive draft device 1
Inner cavity passes through 1 rear end of positive draft device and the pressure-display device 2 that is sequentially connected, electric machine structure is such as arranged,
In use, the output shaft 32 by motor drives pressure-display device 2 to rotate, specifically, for driving the pressure aobvious
Showing device 2 is rotated by axis of 3 central axis of regulating device, and pressure-display device 2 is exposed, is conveniently checked.It adjusts
Device 3 and 1 rear end of positive draft device are the structure being tightly connected, and not will lead to outside air and enter positive draft device 1
In.Regulating switch 4 is set on 1 front end face of positive draft device, is electrically connected with the regulating device 3 such as Fig. 1.Pass through tune
Saving 4 controling adjustment device 3 of switch drives pressure-display device 2 to rotate to the left or to the right, so that it is hidden for adjusting pressure-display device 2
Hiding or exposure.
The needs of pressure-display device 2 are attached with the pressure detecting part in positive draft device 1, specifically, also wrapping
Include the pressure pipeline component 6 connecting with 1 pressure sensor 5 of positive draft device, described 6 one end of pressure pipeline component with
The pressure sensor 5 connects, and 6 other end of pressure pipeline component passes through 1 rear end of positive draft device and the pressure
Power display device 2 connects.It is as follows for the structure of pressure pipeline component 6:
Specifically, the pressure pipeline component 6 includes Y type gas-tpe fitting 61, the first hose 62, fixing bolt 63, copper pipe
64 and second hose 65, the Y type gas-tpe fitting 61 bottom in the positive draft device 1 is mounted on by fixing bolt 63,
61 1 upper ports of the Y type gas-tpe fitting connect 62 one end of the first hose, 62 other end of the first hose and the pressure
Sensor 5 connects, another 64 one end of upper port connecting copper pipe of the Y type gas-tpe fitting 61,64 other end of copper pipe passes through
1 rear end face of positive draft device simultaneously connects 65 one end of the second hose, and 65 other end of the second hose connects the pressure
Display device 2.Pressure sensor 5 and pressure-display device 2 are attached by above-mentioned pressure pipeline component 6, to realize
Display of the pressure-display device 2 to motor internal pressure.
For the verifying to 2 working condition of pressure-display device, and can by the Portable device of patrol officer
It is detected, further includes gas quick plug 7 further, it is logical that 61 lower end of Y type gas-tpe fitting is pierced by downwards the positive pressure
Wind apparatus 1,61 lower end of Y type gas-tpe fitting are equipped with the gas quick plug 7.Gas quick plug 7 and positive draft fill
Setting 1 is the problem of being tightly connected, prevent leakage.Gas quick plug 7 is in when being not inserted into pressure checking device
Self-styled closed state, and when the pressure checking device insertion that patrol officer carries, then gas quick plug 7 and pressure detecting are set
It is standby to connect, realize the detection to motor internal pressure.
Further, the regulating device 3 includes driving motor 31 and output shaft 32, and the driving motor 31 is fixedly mounted
1 rear end of positive draft device is passed through in the output shaft 32 of 1 intracavity posterior end of positive draft device, the driving motor 31
And the pressure-display device 2 that is sequentially connected.Further, the pressure-display device 2 includes support tube 21 and pressure gauge 22,
Described 21 one end of support tube is fixedly connected with 31 output shaft of driving motor, 32 end, and 21 other end of support tube is fixed to be connected
Pressure gauge 22 is connect, specifically, selecting TE2000 type vibration-proof pressure gauge in this embodiment, second hose 65 is from the support tube
21 penetrate and connect the pressure gauge 22.The output shaft 32 of driving motor 31 passes through positive draft device 1 and is driven output, and defeated
Shaft 32 and positive draft device 1 are Hermetical connecting structure, prevent output shaft 32 from leaking in rotation.
One of embodiment, when in use, the output shaft 32 for controlling driving motor 31 by regulating switch 4 is positive to be turned
It moves, drive support tube 21 is the rotation of center axis with output shaft 32, and support tube 21, which drives pressure gauge 22 to rotate and deviates positive pressure, to be led to
1 side of wind apparatus, and be exposed, facilitate patrol officer to check on the spot；And after use, it is controlled and is driven by regulating switch 4
The output shaft 32 of dynamic motor 31 rotates backward, and drives support tube 21 with output shaft 32 for the rotation of center axis, support tube 21 drives
After pressure gauge 22 rotates and is hidden in positive draft device 1.
It further, further include placing groove 8,1 rear end of positive draft device offers placing groove 8, and the pressure is aobvious
Showing device 2 is arranged in the placing groove 8.The setting of placing groove 8 can be such that pressure-display device 2 and positive draft device 1 melts
It is integrated, both will not influence the normal use of positive draft device 1, itself can be also hidden, and when in use, pass through
Rotation deviates positive draft device 1 and is able to display motor internal pressure.
Using the technical solution of the utility model, shown by the way that concealed pressure is arranged in 1 rear end of positive draft device
Device 2 real-time monitoring and can show the pressure state of motor cavity, and through regulating device 3 to the orientation of pressure-display device 2 into
Row is adjusted, to solve existing after being exposed or being hidden in positive draft device 1 by positive draft device 1 when checking
The space limitation that positive draft device 1 is installed；And gas quick plug 7 is provided under Y type gas-tpe fitting 61, patrol officer can
It is connect by portable pressure checking device with gas quick plug 7, realizes pressure detecting on the spot, moreover it is possible to examine pressure aobvious
Whether showing device 2 is in normal operating conditions.The utility model is simple in sturcture, ingenious in design, realizes that pressure detects on the spot, and square
Just the inspection of patrol officer.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of instant detection device of pressure of positive draft device is arranged on positive draft device, which is characterized in that including
Pressure-display device is set to positive draft device rear end, for showing pressure in positive draft device；
Regulating device is fixed at positive draft device inner cavity, passes through positive draft device rear end and the company of transmission
The pressure-display device is connect, for driving the pressure-display device to rotate by axis of the regulating device central axis；
Regulating switch is set on the positive draft device front end face, is electrically connected with the regulating device.
2. the instant detection device of pressure of positive draft device as described in claim 1, which is characterized in that further include with it is described
The pressure pipeline component of positive draft device pressure sensor connection, pressure pipeline component one end and the pressure sensing
Device connection, the pressure pipeline component other end pass through positive draft device rear end and connect with the pressure-display device.
3. the instant detection device of pressure of positive draft device as claimed in claim 2, which is characterized in that the pressure pipeline
Component includes Y type gas-tpe fitting, the first hose, fixing bolt, copper pipe and the second hose, and the Y type gas-tpe fitting passes through fixation
Bolt is mounted on bottom in the positive draft device, and one upper port of the Y type gas-tpe fitting connects first hose one end, institute
It states the first hose other end to connect with the pressure sensor, another upper port connecting copper pipe one end of the Y type gas-tpe fitting,
The copper pipe other end passes through the positive draft device rear end face and connects second hose one end, the second hose other end
Connect the pressure-display device.
4. the instant detection device of pressure of positive draft device as claimed in claim 3, which is characterized in that further include that gas is fast
Fast plug, the Y type gas-tpe fitting lower end are pierced by downwards the positive draft device, and the Y type gas-tpe fitting lower end is equipped with institute
State gas quick plug.
5. the instant detection device of pressure of positive draft device as claimed in claim 4, which is characterized in that the regulating device
Including driving motor and output shaft, the driving motor is fixedly mounted on the positive draft device intracavity posterior end, the driving
The output shaft of motor passes through positive draft device rear end and the pressure-display device that is sequentially connected.
6. the instant detection device of pressure of positive draft device as claimed in claim 5, which is characterized in that the pressure is shown
Device includes support tube and pressure gauge, and described support tube one end is fixedly connected with the driving motor output shaft end, the branch
The stay tube other end is fixedly connected with pressure gauge, and second hose penetrates from the support tube and connects the pressure gauge.
7. the instant detection device of pressure of positive draft device as claimed in claim 6, which is characterized in that further include placing
Slot, positive draft device rear end offer placing groove, and the pressure-display device is arranged in the placing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920112306.4U CN209280194U (en) | 2019-01-23 | 2019-01-23 | A kind of instant detection device of pressure of positive draft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920112306.4U CN209280194U (en) | 2019-01-23 | 2019-01-23 | A kind of instant detection device of pressure of positive draft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280194U true CN209280194U (en) | 2019-08-20 |
Family
ID=67606087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920112306.4U Expired - Fee Related CN209280194U (en) | 2019-01-23 | 2019-01-23 | A kind of instant detection device of pressure of positive draft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209280194U (en) |
-
2019
- 2019-01-23 CN CN201920112306.4U patent/CN209280194U/en not_active Expired - Fee Related
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| 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: 20190820 |