CN104436507B - A kind of mechanical type fire hydrant pressure limit detection means - Google Patents
A kind of mechanical type fire hydrant pressure limit detection means Download PDFInfo
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- CN104436507B CN104436507B CN201410572295.XA CN201410572295A CN104436507B CN 104436507 B CN104436507 B CN 104436507B CN 201410572295 A CN201410572295 A CN 201410572295A CN 104436507 B CN104436507 B CN 104436507B
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- pressure
- detection means
- fire hydrant
- adjustment ring
- limit
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Fire Alarms (AREA)
Abstract
The mechanical type fire hydrant pressure limit detection means of the present invention, is characterised by：Including fixed cover, pressure calibration knob, detection means head protector and pressure transmission rod, one end connection fire hydrant tube cavity of pressure transmission rod, other end connection is provided with the triggering trip block of conductive material composition, and pressure conversion spring is provided between pressure calibration knob and pressure transmission rod；The periphery of detection means head protector is provided with upper and lower limit pressure adjustment ring, activity-triggered terminal is respectively provided with the inwall of threshold pression adjustment ring and pressure upper limit adjustment ring, trigger terminal is made up of two spaced electrodes, vertical slot is offered on detection means head protector, trigger terminal is placed in vertical slot.The fire hydrant pressure limit detection means of the present invention, when the hydraulic pressure in fire hydrant is less than lower limit, triggering trip block is contacted with the trigger terminal in threshold pression adjustment ring, produce pressure limit trigger, it is capable of achieving in the same manner to produce trigger when pressure exceedes the upper limit, present invention achieves fire hydrant exceedes the detection of upper and lower limit pressure value.
Description
Technical field
The present invention relates to a kind of pressure limit detection means, in particular, more particularly to a kind of mechanical type fire hydrant pressure
Power overrun testing device.
Background technology
Fire_fighting pipe network system is the Main Means and effective means of fire control, the health operation of fire_fighting pipe network, it is ensured that people
Personal safety as well as the property safety.Fire_fighting pipe network system includes cistern, pressure pump, pipe network, fire hydrant, spray system, fire hydrant
It is the end-equipment of fire_fighting pipe network.The hydraulic pressure of fire hydrant is normal, that is, indicate the health operation of fire_fighting pipe network system.Due to extinguishing pipe
The laying of net system is more complicated, and particularly fire hydrant quantity is more, and is not easy to real-time monitoring.Fire hydrant is regularly examined
Repair, pressure testing, become a loaded down with trivial details, hard prevention work.Because fire hydrant usage frequency is low, staff is benumbed, cause monitoring
It is not in place, monitoring not in time, fire once occur, cannot effectively utilizes resource is put out a fire nearby.In recent years because of fire hydrant
It is anhydrous, under-voltage to cause to put out a fire in time, and the tragic incident for occurring is innumerable.
Prior art, lays fire hydrant detection terminal, using active pressure transducer, when hydraulic pressure transfinites, prison of reporting to the police
Control center.As fire hydrant is distributed as many as scattered, quantity, using centralized power supply system, wiring cost is high, it is also difficult to realize.It is existing
Some fire hydrant pressure checking devices are powered using battery, and the mode being periodically detected, to reduce the power consumption of detection terminal, is carried
The powers duration of high detection terminal.This detection mode, missing inspection of easily breaking down, fails to report, detection phenomenon not in time.
Such as Patent No. CN201410182582, entitled " a kind of embedded high temperature wireless pressure sensor "
Patent of invention file, it discloses it is a kind of by pressure sensitive film 1, sensor upper cover plate 2, electric capacity top crown 3, electric capacity bottom crown 4,
Inductance coil 5, sensor base 6, the pressure transducer of the structure composition in pressure reference chamber 7, its complex manufacturing technology, cost
Height, is unfavorable for application.Patent No. CN201310236046.9, a kind of entitled " strain shaft type soil pressure sensing
The patent of invention file of device ", discloses a kind of strain shaft type soil pressure sensor.The present invention include cover plate, sealing ring, through hole,
Patch panel, resistance strain gage, elastic shaft, base plate, stress ring, connecting line, water-protected enclosure glue, temperature-compensating foil gauge, this knot
The pressure transducer of configuration formula cannot be also applied in the pressure detecting of fire hydrant.
The content of the invention
The present invention is in order to overcome the shortcoming of above-mentioned technical problem, there is provided a kind of mechanical type fire hydrant pressure limit detection dress
Put.
The mechanical type fire hydrant pressure limit detection means of the present invention, which is particular in that：Including fixed cover, pressure mark
The inside for determining knob, detection means head protector and pressure transmission rod, fixed cover and pressure calibration knob is cavity；Fire hydrant
The screwed hole being engaged with fixed cover is offered on body, pressure calibration knob is placed in the inside of fixed cover by screw thread, detected
Device head protector is fixed on the top of pressure calibration knob；One end of pressure transmission rod stretches to the internal cavities of fire hydrant body
In, the other end is provided with the triggering trip block of conductive material composition, is provided with pressure between pressure calibration knob and pressure transmission rod
Throw over spring；The periphery of the detection means head protector is from top to bottom disposed with pressure upper limit adjustment ring, threshold pression and adjusts
Trigger terminal be movably set with the inwall of the domain, threshold pression adjustment ring and pressure upper limit adjustment ring, trigger terminal is by two
Individual spaced electrode is constituted, and vertical slot is offered on detection means head protector, and trigger terminal is placed in vertical slot；By turning
Dynamic pressure demarcate knob can change pressure conversion spring by compression degree, and then adjust fire hydrant body in hydraulic pressure reach
The position of triggering trip block when limit, lower limit；Triggered by rotating threshold pression adjustment ring and threshold pression adjustment ring scalable thereon
The height of terminal, so adjust output alarm signal when fire hydrant body in hydraulic pressure pressure upper limit value and threshold pression value.
The mechanical type fire hydrant pressure limit detection means of the present invention, the detection means head protector and pressure calibration knob
It is connected by screw thread, the threshold pression adjustment ring and pressure upper limit adjustment ring are threadably secured in detection means head protector
Outer wall on.
The mechanical type fire hydrant pressure limit detection means of the present invention, the lower end of the pressure calibration knob inwall is provided with
First position limiting convex ring, is provided with the second position limiting convex ring on the outer wall of pressure transmission rod lower end, pressure conversion spring is positioned at the first limit
Between position bulge loop and the second position limiting convex ring；The 3rd position limiting convex ring, the 3rd limit are provided with fixed cover below second position limiting convex ring
The sealing ring to the sealing gap between pressure transmission rod and fixed cover is provided with below the bulge loop of position.
The mechanical type fire hydrant pressure limit detection means of the present invention, the threshold pression adjustment ring and pressure upper limit adjustment
Two annular slots are offered on the inwall of ring, two electrodes of trigger terminal are fixed on collets, be provided with collets with
Two fixture blocks that annular slot is engaged.
The invention has the beneficial effects as follows：The fire hydrant pressure limit detection means of the present invention, is disappeared by fixation is placed on
On anti-bolt body, and pressure transmission rod and pressure conversion spring are set in the cavity that fixed cover and pressure calibration knob are formed,
So that the triggering trip block on pressure transmission rod and its top can with the pressure change in fire hydrant body stretching motion；By in inspection
Survey device head protector upper and lower end be respectively provided with pressure upper limit adjustment ring, threshold pression adjustment ring, when the hydraulic pressure in fire hydrant it is too high
During more than the upper limit, triggering trip block is contacted with the trigger terminal in pressure upper limit adjustment ring, is produced pressure and is triggered more than higher limit
Signal；When the hydraulic pressure in fire hydrant it is too low less than lower limit when, triggering trip block connect with the trigger terminal in threshold pression adjustment ring
Touch, produce pressure and be less than lower limit trigger, realize detection of the fire hydrant more than upper and lower limit pressure value.
By opening up annular slot on the inwall of upper and lower pressure adjustment ring, two electrodes in trigger terminal are fixed on absolutely
On edge block, the fixture block being engaged with annular slot is provided with collets, and trigger terminal is placed in the perpendicular of detection means head protector
Into groove, during upper and lower limit pressure adjustment ring is rotated, the position of the triggering trip block of scalable two, and then to pressure alarm
Higher limit and lower limit be adjusted.
Description of the drawings
Fig. 1 is the structural representation of the mechanical type fire hydrant pressure limit detection means of the present invention；
Fig. 2 is the structure chart that trigger terminal is engaged with upper and lower limit pressure adjustment ring in the present invention.
In figure：1 fire hydrant body, 2 fixed covers, 3 pressure calibration knobs, 4 threshold pression adjustment rings, the adjustment of 5 pressure upper limits
Ring, 6 detection means head protectors, 7 triggering trip blocks, 8 trigger terminals, 9 pressure transmission rods, 10 pressure conversion springs, 11 sealing rings, 12
Vertical slot, 13 collets, 14 fixture blocks, 15 annular slots, 16 first position limiting convex rings, 17 second position limiting convex rings, 18 the 3rd limit convexes
Ring.
Specific embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the structural representation of the mechanical type fire hydrant pressure limit detection means of the present invention is given, its bag
Include fixed cover 2, pressure calibration knob 3, detection means head protector 6, pressure transmission rod 9, pressure conversion spring 10, triggering trip block 7,
Threshold pression adjustment ring 4, pressure upper limit adjustment ring 5, sealing ring 11；Shown fire hydrant body 1 is the structure of fire hydrant, is disappearing
After perforating on anti-bolt body 1, tapping, fixed cover 2 is fixed on fire hydrant body 1.Shown fixed cover 2, pressure calibration rotation
The inside of button 3 is cavity, and pressure transmission rod 9 is placed in the internal cavities of fixed cover 2 and pressure calibration knob 3, under fixed cover 2
The 3rd position limiting convex ring 18 is provided with the inside at end, the lower section of the 3rd position limiting convex ring 18 is provided with sealing ring 11, and sealing ring 11 is used
In to the sealing gap between pressure transmission rod 9 and fixed cover 2, in ensureing pressure transmission rod 9 in fire hydrant body 1
Move in the presence of portion's hydraulic pressure.
The second position limiting convex ring 17,3 inwall of pressure calibration knob are provided with the outer surface of shown 9 lower end of pressure transmission rod
Lower end be provided with the first position limiting convex ring 16, pressure conversion spring 10 be located at the first spacing block set 16 and the second position limiting convex ring 17 it
Between, to ensure that pressure transmission rod 9 is moved with the change of pressure in fire hydrant body 1.Knob 3 is demarcated by rotational pressure, can
Change pressure conversion spring 10 by compression degree, and then change when pressure in fire hydrant body reaches the upper limit, lower limit and trigger
The position of trip block 7.
Detection means head protector 6 is fixed on the top of pressure calibration knob 3, the central openings of detection means head protector 6.Institute
The pressure upper limit adjustment ring 5 and threshold pression adjustment ring 4 shown is threadably secured, upper pressure limiting peripheral in detection means head protector 6
Trigger terminal 8 is movably set with power adjustment ring 5 and threshold pression adjustment ring 4, is offered on detection means head protector 6 vertical
Groove 12, trigger terminal 8 are placed in vertical slot 12, under rotation during limits pressure adjustment ring 4 and pressure upper limit adjustment ring 5,
Trigger terminal 8 can be caused to move up and down in vertical slot 12.
In pressure transmission rod 9 during the pressure change in fire hydrant is moved up and down, when in fire hydrant body 1
Hydraulic pressure value increases to a certain extent, can cause touching in triggering trip block 7 and pressure upper limit adjustment ring 5 at the top of pressure transmission rod 9
Originator 8 is contacted, and makes two electrode conductions of the trigger terminal 8, the too high alarm signal of output pressure.When in fire hydrant body 1
Hydraulic pressure value reduce to a certain extent, can cause in triggering trip block 7 at the top of pressure transmission rod 9 and threshold pression adjustment ring 4
Trigger terminal 8 is contacted, and makes two electrode conductions of the trigger terminal 8, the too low alarm signal of output pressure.By adjusting upper pressure limiting
The position of trigger terminal in power adjustment ring 5 and threshold pression adjustment ring 4, you can the pressure upper limit alarming value and lower limit to sensor
Pressure alarm value is adjusted.
As shown in Fig. 2 giving the structure chart that trigger terminal is engaged with upper and lower limit pressure adjustment ring, shown lower limit
Offer two annular slots 15 on the inwall of pressure adjustment ring 4 and pressure upper limit adjustment ring 5, trigger terminal 8 have two it is electric
Pole is constituted, and two electrodes are fixed on collets 13, and the fixture block 14 being engaged with annular slot 15 is provided with collets 13,
During assembling, after pressure upper limit adjustment ring 5, threshold pression adjustment ring 4 are placed on detection means head protector 6, triggering end
Son 8 is snapped onto in annular slot 15 through after vertical slot 12, you can realize trigger terminal 8 in upper and lower limit pressure adjustment ring
Activity is fixed.
The fire hydrant pressure limit detection means of the present invention, by fixation is placed on fire hydrant body, and is fixing
Pressure transmission rod and pressure conversion spring are set in the cavity that set and pressure calibration knob are formed so that pressure transmission rod and its top
End triggering trip block can with the pressure change in fire hydrant body stretching motion；By in detection means head protector upper and lower end
Be respectively provided with pressure upper limit adjustment ring, threshold pression adjustment ring, when the hydraulic pressure in fire hydrant it is too high more than the upper limit when, triggering trip block
Contact with the trigger terminal in pressure upper limit adjustment ring, produce pressure and exceed higher limit trigger；When the water in fire hydrant
When pressing through less than lower limit, triggering trip block is contacted with the trigger terminal in threshold pression adjustment ring, is produced pressure and is less than lower limit
Value trigger, realizes detection of the fire hydrant more than upper and lower limit pressure value.
Claims (4)
1. a kind of mechanical type fire hydrant pressure limit detection means, it is characterised in that：Including fixed cover（2）, pressure calibration knob
（3）, detection means head protector（6）And pressure transmission rod（9）, the inside of fixed cover and pressure calibration knob is cavity；Disappear
Anti- bolt body（1）On offer the screwed hole being engaged with fixed cover, pressure calibration knob is placed in fixed cover by screw thread
The top of pressure calibration knob is fixed in portion, detection means head protector；One end of pressure transmission rod stretches to fire hydrant body
In internal cavities, the other end is provided with the triggering trip block of conductive material composition（7）, between pressure calibration knob and pressure transmission rod
It is provided with pressure conversion spring（10）；The detection means head protector（6）Periphery be from top to bottom disposed with pressure upper limit
Adjustment ring（5）, threshold pression adjustment ring（4）, on the inwall of threshold pression adjustment ring and pressure upper limit adjustment ring, activity is arranged
There is trigger terminal（8）, trigger terminal is made up of two spaced electrodes, offers vertical slot on detection means head protector
（12）, trigger terminal is placed in vertical slot；By rotation pressure demarcate knob can change pressure conversion spring by compression degree,
And then the position of block is swum in triggering when in regulation fire hydrant body, hydraulic pressure reaches the upper limit, lower limit；By rotating threshold pression adjustment ring
With the height of pressure upper limit adjustment ring scalable trigger terminal thereon, and then water in fire hydrant body when adjusting output alarm signal
The pressure upper limit value and threshold pression value of pressure.
2. mechanical type fire hydrant pressure limit detection means according to claim 1, it is characterised in that：The detection means
Head protector（6）With pressure calibration knob（3）It is connected by screw thread, the threshold pression adjustment ring（4）Adjust with pressure upper limit
Ring（5）It is threadably secured in detection means head protector（6）Outer wall on.
3. mechanical type fire hydrant pressure limit detection means according to claim 1 and 2, it is characterised in that：The pressure
Demarcate knob（3）The lower end of inwall is provided with the first position limiting convex ring（16）, pressure transmission rod（9）Is provided with the outer wall of lower end
Two position limiting convex rings（17）, pressure conversion spring（10）Between the first position limiting convex ring and the second position limiting convex ring；Second limit convex
The 3rd position limiting convex ring is provided with fixed cover below ring（18）, be provided with below the 3rd position limiting convex ring to pressure transmission rod with
The sealing ring of the sealing gap between fixed cover（11）.
4. mechanical type fire hydrant pressure limit detection means according to claim 1 and 2, it is characterised in that：The lower limit
Pressure adjustment ring（4）With pressure upper limit adjustment ring（5）Inwall on offer two annular slots（15）, trigger terminal（8）'s
Two electrodes are fixed on collets（13）On, two fixture blocks being engaged with annular slot are provided with collets（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410572295.XA CN104436507B (en) | 2014-10-24 | 2014-10-24 | A kind of mechanical type fire hydrant pressure limit detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410572295.XA CN104436507B (en) | 2014-10-24 | 2014-10-24 | A kind of mechanical type fire hydrant pressure limit detection means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104436507A CN104436507A (en) | 2015-03-25 |
| CN104436507B true CN104436507B (en) | 2017-04-05 |
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ID=52883742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410572295.XA Active CN104436507B (en) | 2014-10-24 | 2014-10-24 | A kind of mechanical type fire hydrant pressure limit detection means |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109848622A (en) * | 2017-11-30 | 2019-06-07 | 湖南红太阳新能源科技有限公司 | Pressing tool suitable for solar components stacking bond technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7607346B1 (en) * | 2006-01-11 | 2009-10-27 | Oboza Andrzej Z | Tire pressure indicator |
| CN201707170U (en) * | 2010-06-03 | 2011-01-12 | 南京工业职业技术学院 | Multi-functional pressure detection and measurement switch |
| CN103335755A (en) * | 2013-06-14 | 2013-10-02 | 浙江大学 | Strain axis type soil pressure sensor |
| CN103926026A (en) * | 2014-05-04 | 2014-07-16 | 厦门大学 | Built-in high-temperature wireless pressure sensor |
| CN103940545A (en) * | 2014-02-28 | 2014-07-23 | 江苏大学 | Fire-hydrant water pressure state monitoring system and method based on WSN |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3470129B2 (en) * | 1995-12-20 | 2003-11-25 | 株式会社鷺宮製作所 | Pressure sensor using hall element and method of assembling the same |
-
2014
- 2014-10-24 CN CN201410572295.XA patent/CN104436507B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7607346B1 (en) * | 2006-01-11 | 2009-10-27 | Oboza Andrzej Z | Tire pressure indicator |
| CN201707170U (en) * | 2010-06-03 | 2011-01-12 | 南京工业职业技术学院 | Multi-functional pressure detection and measurement switch |
| CN103335755A (en) * | 2013-06-14 | 2013-10-02 | 浙江大学 | Strain axis type soil pressure sensor |
| CN103940545A (en) * | 2014-02-28 | 2014-07-23 | 江苏大学 | Fire-hydrant water pressure state monitoring system and method based on WSN |
| CN103926026A (en) * | 2014-05-04 | 2014-07-16 | 厦门大学 | Built-in high-temperature wireless pressure sensor |
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| Publication number | Publication date |
|---|---|
| CN104436507A (en) | 2015-03-25 |
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Effective date of registration: 20210817 Address after: 256603 518-520 and 527-530, building 1, Fengze Yujing, No. 333, Huanghe Sixth Road, Binzhou City, Shandong Province Patentee after: Shandong Xin'an Fire Safety Engineering Co.,Ltd. Address before: No.391, Huanghe fifth road, Binzhou City, Shandong Province Patentee before: BINZHOU University |