CN105403345A - Spring tube pressure meter, fire extinguisher pressure abnormity alarm and fire extinguisher management system - Google Patents
Spring tube pressure meter, fire extinguisher pressure abnormity alarm and fire extinguisher management system Download PDFInfo
- Publication number
- CN105403345A CN105403345A CN201510952315.0A CN201510952315A CN105403345A CN 105403345 A CN105403345 A CN 105403345A CN 201510952315 A CN201510952315 A CN 201510952315A CN 105403345 A CN105403345 A CN 105403345A
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- Prior art keywords
- pressure
- flame snuffer
- shell fragment
- lever
- alarm
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/08—Means for indicating or recording, e.g. for remote indication
- G01L19/12—Alarms or signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/04—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a spring tube pressure meter, a fire extinguisher pressure abnormity alarm and a fire extinguisher management system. The spring tube pressure meter comprises a watchcase, a joint, a spring tube, a pressure display mechanism and an alarm mechanism, and the pressure display mechanism comprises a dial, a pointer and a pointer shaft; the fixed end of the spring tube is connected with the joint, the movable end of the spring tube drives the pointer shaft through a connecting rod, the alarm mechanism comprises a support, a lever and an alarm switch, the support is fixed at the back surface of the dial, and the alarm switch is installed on the support; and the central portion of the level is hinged to the support, the rear end of the level abuts against the movable end of the spring tube and is driven by the movable end of the spring tube, when pressure in the spring tube is lower than set pressure, the movable end of the spring tube drives the lever to rotate, and the front end of the lever drives the alarm switch to output undervoltage signals. According to the invention, the spring tube pressure meter is simple in structure, convenient to assemble and high in undervoltage alarm accuracy; and the fire extinguisher pressure abnormity alarm and the management system can provide undervoltage information of a fire extinguisher timely and prevent the fire extinguisher from undervotlage fault service.
Description
[technical field]
The present invention relates to fire fighting device, particularly relate to a kind of bourdon gauges for flame snuffer, flame snuffer pressure anomaly alarm device and flame snuffer management system.
[background technology]
Bourdon gauges belongs to indicator type tensimeter on the spot, can show the size of pressure on the spot, not be with teletransmission display, regulatory function.Pressure deformation by sensitive element--the elastic deformation of Bourdon tube in table, then is conducted to pointer by the throw-over gear of movement in table by bourdon gauges, causes indicators turn to show pressure.Traditional bourdon gauges is used for flame snuffer, can only indicate the pressure of flame snuffer on the spot, cannot report to the police to the under-voltage of flame snuffer.
Application number be 201410148913.8 patent application disclose a kind of flame snuffer red alarm device, comprise flame snuffer cylinder body, fixing apron, nozzle, handle, insurance draw ring, tensimeter connect successively, Mini alarm is fixed with outside tensimeter, in tensimeter, index dial is installed, index dial installs pointer, index dial is provided with tongue tube lower than pressure warning line place, and red light emitting diodes is installed in index dial lower left, and button cell is installed in index dial lower right.Index dial must use non-ferrous material, and pointer must use magnetic material.This invention is the leakage pressure for convenience of detecting flame snuffer intuitively, when flame snuffer pressure is lower than warning line, red area security area is slided under pressure gauge for fire extinguisher pointer starts, at this moment because pointer is magnetic, tongue tube is connected, red light emitting diodes and Mini alarm are simultaneously luminous and pipe, noticeable, remind people to process in time.The present invention can allow the flame snuffer automatic sound-light alarm losing pressure, reminds people to reset in time flame snuffer medicine, like this will be very safe.But, using tongue tube as manometric alarm switch, there is following problem: 1: tongue tube installs trouble relatively, 2: adopt tongue tube to use magnet, and magnetic attraction has certain space namely to work, and can not accomplish precisely.
Flame snuffer, is called " the first fireman " during breaking out of fire, according to media report, in all previous security against fire hidden troubles removing process, all can find some factories and miness, enterprise, market, public place part flame snuffer all oneself has spent the shelf-life.Flame snuffer inside is full of chemical, and be all pressure vessel, as do not overhauled for a long time, easily there is sex change in chemical, cylindrical shell is easily corroded, and can cause and cannot normally use, or bursts because bearing pressure after cylindrical shell corrosion, therefore flame snuffer needs regularly to be sent to the flame snuffer maintenance technique service unit maintenance possessing qualification, expires and scraps.
Under normal circumstances, flame snuffer needs annual annual test once.If the environment residing for flame snuffer is moister, luming with regard to easily making moist and lose effect, is therefore regularly that flame snuffer health check-up is particularly important.But the term of validity of present all flame snuffers on the market and annual test time are all printed on a simple nameplate, lack the effective prompt facility of automated intelligent, if the value volume and range of product of a user or enterprise's flame snuffer is more, the due date of different flame snuffer is different, and certain customers and enterprise will be caused to forget and have ignored the problem of part flame snuffer shelf-life.
[summary of the invention]
The technical problem to be solved in the present invention is to provide one and is convenient to assembling, the bourdon gauges that undervoltage warning accuracy is high.
Another technical matters that will solve of the present invention be to provide a kind of can reminding user pressure anomaly alarm device that under-voltage flame snuffer is safeguarded in time
The present invention also have a technical matters that will solve be to provide a kind of can reminding user flame snuffer management system that under-voltage flame snuffer is safeguarded in time.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of bourdon gauges comprises watchcase, joint, bourdon tube, pressure display organ and alarm mechanism, and pressure display organ comprises dial plate, pointer and needle pivot; The stiff end of bourdon tube is connected with joint, and movable end drives needle pivot by connecting rod, and alarm mechanism comprises support, lever and alarm switch, and support is fixed on the back side of dial plate, and alarm switch is rack-mount; Middle part and the support of lever are hinged, the rear end of lever is against the movable end of bourdon tube, is driven, when the pressure in bourdon tube is lower than set pressure by the movable end of bourdon tube, the movable end activation lever of bourdon tube is rotated, and the front-end driven alarm switch of lever exports under-voltage signal.
Above-described bourdon gauges, alarm switch is normally opened contact, comprise fixed contact shell fragment and armature contact shell fragment, the rear end of fixed contact shell fragment and the rear portion of armature contact shell fragment are separately fixed on support, and the rear end of lever drives the front end of armature contact shell fragment and the front end of fixed contact shell fragment to close.
Above-described bourdon gauges, the contact portion of armature contact shell fragment front end outer side and lever front end comprises insulating spacer.
Above-described bourdon gauges, support comprises base and column, and the end of column comprises jointed shaft; The rear end of fixed contact shell fragment and the rear portion of armature contact shell fragment are separately fixed at the middle part of column, and the base of support is screwed the back side at dial plate; Lever is that steel wire bent forms, and middle part winding forms hinge hole, and front portion is L shape, and rear portion is S shape.
Above-described bourdon gauges, comprises the out splice going splice of alerting signal, and out splice going splice comprises two wires, and two wires connect the rear end of fixed contact shell fragment and the rear end of armature contact shell fragment respectively.
A kind of flame snuffer pressure anomaly alarm device, comprise housing, install warning circuit in the housing and above-mentioned bourdon gauges, warning circuit comprises power supply, MCU and communication interface; The under-voltage signal output part of tensimeter alarm switch is connected with MCU respectively with communication interface; When MCU receives manometric under-voltage signal, MCU outwards sends alerting signal by communication interface.
Above-described flame snuffer pressure anomaly alarm device, warning circuit comprises SCM Based digital clock circuit, annual test day settings button and display screen, and SCM Based digital clock circuit comprises described MCU.Display screen is connected with MCU respectively with annual test day settings button.
Above-described flame snuffer pressure anomaly alarm device, comprises supply voltage monitoring circuit, and described power supply is civil power, dry cell, rechargeable battery or solar cell, the output termination MCU of supply voltage monitoring circuit.
Above-described flame snuffer pressure anomaly alarm device, warning circuit comprises warning lamp and/or voice alarm circuit, and voice alarm circuit comprises audio power amplifier circuit and loudspeaker, the input termination MCU of audio power amplifier circuit, exports termination loudspeaker.
A kind of flame snuffer management system, comprises system host, at least one mobile terminal and a plurality of above-mentioned flame snuffer pressure anomaly alarm device; Flame snuffer pressure anomaly alarm device and system host communicate to connect; Mobile terminal and system host wireless connections.
Spring-tube pressure list structure of the present invention is simple, and be convenient to assembling, undervoltage warning accuracy is high.
Flame snuffer pressure anomaly alarm device of the present invention and flame snuffer management system can provide the under-voltage information of flame snuffer in time, prevent that flame snuffer is under-voltage is on active service in spite of illness, eliminate the potential safety hazard of user.
[accompanying drawing explanation]
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the front view of the embodiment of the present invention 1 bourdon gauges.
Fig. 2 is the vertical view under the embodiment of the present invention 1 bourdon gauges under-voltage condition.
Fig. 3 is that A in Fig. 1 is to cut-open view.
Fig. 4 is that B in Fig. 2 is to cut-open view.
Fig. 5 is that C in Fig. 1 is to cut-open view.
Fig. 6 is the partial perspective view under the embodiment of the present invention 1 bourdon gauges under-voltage condition.
Fig. 7 is the vertical view under the embodiment of the present invention 1 bourdon gauges normal-pressure situations.
Fig. 8 is that the D in Fig. 7 rotates to cut-open view.
Fig. 9 is the cut-open view under the embodiment of the present invention 1 bourdon gauges normal-pressure situations.
Figure 10 is the partial perspective view under the embodiment of the present invention 1 bourdon gauges normal-pressure situations.
Figure 11 is the theory diagram of the embodiment of the present invention 2 flame snuffer management system.
Figure 12 is the circuit block diagram of the embodiment of the present invention 2 flame snuffer pressure anomaly alarm device.
[embodiment]
The structure of the embodiment of the present invention 1 bourdon gauges as shown in Figures 1 to 10, comprises watchcase 1, joint 2, bourdon tube 3, the out splice going splice 4 of alerting signal, pressure display organ and alarm mechanism.
Pressure display organ comprises dial plate 5, pointer 6 and needle pivot 7.Alarm mechanism comprises support 8, lever 9 and alarm switch.
The stiff end 301 of bourdon tube 3 is connected with joint 2, and movable end 302 is connected with the crank 701 on needle pivot 7 by connecting rod 20, drives pointer 6 to rotate.
Support 8 comprises base 801 and column 802, and there is a jointed shaft 803 end of column 802.The base 801 of support 8 is fixed on the back side of dial plate 5 with screw 19, dial plate 5 screw 18 is fixed on joint 2.
Lever 9 forms for steel wire bent, and middle part winding forms hinge hole, and front portion is L shape, and rear portion is S shape.Middle part and the support 8 of lever 9 are hinged, and the jointed shaft 803 of column 802 end forms hinged relationship through the hinge hole in the middle part of lever 9.
Alarm switch is normally opened contact, comprise fixed contact shell fragment 11 and armature contact shell fragment 12, the rear end of fixed contact shell fragment 11 and the rear portion of armature contact shell fragment 12 are fixed on the middle part of support 8 column 802 respectively by injection moulding, and the outside of armature contact shell fragment 12 front end and the contact portion of lever 9 front end have an insulating spacer 1201.
Out splice going splice 4 is fixed on watchcase 1, comprises two wires, 401, two wires 401 and connects the rear end of fixed contact shell fragment 11 and the rear end of armature contact shell fragment 12 respectively.
The rear end 901 of lever S shape is against the movable end of bourdon tube 3, and the pressure in bourdon tube 3 reduces, and when bourdon tube 3 shrinks, movable end 302 promotes the rear end of lever 9, and lever 9 is rotated.
The front end 902 of lever L shape is against on the insulating spacer 1201 of armature contact shell fragment 12 front end outer side, when the pressure in bourdon tube 3 is reduced to setting value, the front end 902 of lever L shape drives the front end of armature contact shell fragment 12 and the front end of fixed contact shell fragment 11 to close, and outwards exports under-voltage signal by out splice going splice 4.
The embodiment of the present invention 2 flame snuffer management system as shown in figure 11, comprises system host, at least one mobile terminal and multiple flame snuffer pressure anomaly alarm device.Flame snuffer pressure anomaly alarm device is fixed on flame snuffer, and adopts radio communication to be connected (or wire communication connection) with system host, mobile terminal and system host wireless connections.Mobile terminal can be mobile phone or panel computer.
Flame snuffer pressure anomaly alarm device comprises the bourdon gauges of housing, warning circuit and embodiment 1.As shown in figure 12, warning circuit comprises power supply, SCM Based digital clock circuit, annual test day settings button, display screen, supply voltage monitoring circuit, warning circuit and communication interface, SCM Based digital clock circuit comprises MCU, and button, display screen are connected with MCU respectively with communication interface.The under-voltage signal output part of bourdon gauges is connected with MCU, and the pressure input interface of bourdon gauges is connected with the pressure detection mouth of monitored flame snuffer.
Communication interface is wireless communication module (or wired local network interface).
Flame snuffer pressure anomaly alarm device can also comprise one piece of keyboard cover plate, and annual test day settings button comprises setting key and OK button, and annual test day settings button keyboard cover plate covers.Keyboard cover plate is fixed on housing, by lead sealing or screw locking, can prevent unrelated person from operating button.
The power supply of flame snuffer pressure anomaly alarm device is can be civil power, dry cell, lithium battery or solar cell, the output termination MCU of supply voltage monitoring circuit.
Warning circuit connects the output terminal of MCU, comprises warning lamp and/or voice alarm circuit, and voice alarm circuit comprises audio power amplifier circuit and loudspeaker, the input termination MCU of audio power amplifier circuit, exports termination loudspeaker.
The annual test date of warning circuit is set by setting key, the flame snuffer of setting pressure abnormality alarming device slowly can be released due to storage for a long time and prescribe a time limit under pressure arrival, tensimeter is to sending under-voltage signal, and MCU sends the alerting signal of flame snuffer insufficient pressure to system host.When arriving the annual test date, MCU sends to system host the alerting signal that the annual test date arrived.This alerting signal can send (as every prompting in 60 minutes once) at interval.System host sends to the mobile terminal that flame snuffer pressure anomaly alarm device associates the alarming short message that relevant flame snuffer insufficient pressure or annual test date arrived, alarming short message display insufficient pressure or the expire numbering and riding position that need annual test flame snuffer, remind monitor staff to process in time.
Meanwhile, be interposed between different time sections (as every prompting in 60 minutes once) between the sound light alarming circuit of flame snuffer pressure anomaly alarm device and send sound and light is pointed out, remind this flame snuffer to need to be serviced or annual test.
After the MCU of flame snuffer pressure anomaly alarm device sends alerting signal to system host, the owner receiving the mobile terminal of alarming short message push for emergency flame snuffer pressure anomaly alarm device OK button after, the MCU of flame snuffer pressure anomaly alarm device stops sending alerting signal to system host again, and the MCU of flame snuffer pressure anomaly alarm device sends to system host the signal that flame snuffer has entered maintenance or annual test handling procedure simultaneously.
Staff by need annual test or needs to safeguard flame snuffer censorship after, the flame snuffer of sending back to after maintenance, the new annual test date is reset by setting key, press OK button to confirm, the MCU of flame snuffer pressure anomaly alarm device starts new timing, and to system host send relevant flame snuffer year checking maintenance signal.System host sends the note of relevant flame snuffer annual test to the mobile terminal that flame snuffer pressure anomaly alarm device associates.
When the voltage of flame snuffer pressure anomaly alarm device power supply is lower than setting value, flame snuffer pressure anomaly alarm device MCU sends the alerting signal of relevant flame snuffer pressure anomaly alarm device power fail to system host, system host sends the note of relevant flame snuffer pressure anomaly alarm device power fail to the mobile terminal that flame snuffer pressure anomaly alarm device associates, so that staff gets rid of the fault of flame snuffer pressure anomaly alarm device power supply in time.
Flame snuffer pressure anomaly alarm device can be screwed on flame snuffer, is bundled in flame snuffer or hangs on flame snuffer with suspender belt, also can inhale on flame snuffer with magnet.
The system host at local fire fighting monitoring center can also be networked with public security fire-fighting office, public security fire-fighting office can in real time in the online flame snuffer working service situation checking certain enterprise, unit, if there is flame snuffer under-voltage, the super annual test time limit all can monitor at any time, can increase and check number of times and dynamics, also can alleviate the working pressure of fire department staff simultaneously, increase work efficiency.
Claims (10)
1. a bourdon gauges, comprises watchcase, joint, bourdon tube, pressure display organ and alarm mechanism, and pressure display organ comprises dial plate, pointer and needle pivot; The stiff end of bourdon tube is connected with joint, and movable end drives needle pivot by connecting rod, it is characterized in that, alarm mechanism comprises support, lever and alarm switch, and support is fixed on the back side of dial plate, and alarm switch is rack-mount; Middle part and the support of lever are hinged, the rear end of lever is against the movable end of bourdon tube, is driven, when the pressure in bourdon tube is lower than set pressure by the movable end of bourdon tube, the movable end activation lever of bourdon tube is rotated, and the front-end driven alarm switch of lever exports under-voltage signal.
2. bourdon gauges according to claim 1, it is characterized in that, alarm switch is normally opened contact, comprise fixed contact shell fragment and armature contact shell fragment, the rear end of fixed contact shell fragment and the rear portion of armature contact shell fragment are separately fixed on support, and the rear end of lever drives the front end of armature contact shell fragment and the front end of fixed contact shell fragment to close.
3. bourdon gauges according to claim 2, is characterized in that, the contact portion of armature contact shell fragment front end outer side and lever front end comprises insulating spacer.
4. bourdon gauges according to claim 2, is characterized in that, support comprises base and column, and the end of column comprises jointed shaft; The rear end of fixed contact shell fragment and the rear portion of armature contact shell fragment are separately fixed at the middle part of column, and the base of support is screwed the back side at dial plate; Lever is that steel wire bent forms, and middle part winding forms hinge hole, and front portion is L shape, and rear portion is S shape.
5. bourdon gauges according to claim 2, is characterized in that, comprises the out splice going splice of alerting signal, and out splice going splice comprises two wires, and two wires connect the rear end of fixed contact shell fragment and the rear end of armature contact shell fragment respectively.
6. a flame snuffer pressure anomaly alarm device, comprises tensimeter, it is characterized in that, the warning circuit comprising housing and install in the housing, and warning circuit comprises power supply, MCU and communication interface; Described tensimeter is bourdon gauges according to claim 1, and the under-voltage signal output part of tensimeter alarm switch is connected with MCU respectively with communication interface; When MCU receives manometric under-voltage signal, MCU outwards sends alerting signal by communication interface.
7. flame snuffer pressure anomaly alarm device according to claim 6, it is characterized in that, warning circuit comprises SCM Based digital clock circuit, annual test day settings button and display screen, SCM Based digital clock circuit comprises described MCU, and display screen is connected with MCU respectively with annual test day settings button.
8. flame snuffer pressure anomaly alarm device according to claim 2, is characterized in that, comprise supply voltage monitoring circuit, and described power supply is civil power, dry cell, rechargeable battery or solar cell, the output termination MCU of supply voltage monitoring circuit.
9. flame snuffer pressure anomaly alarm device according to claim 6, it is characterized in that, warning circuit comprises warning lamp and/or voice alarm circuit, and voice alarm circuit comprises audio power amplifier circuit and loudspeaker, the input termination MCU of audio power amplifier circuit, exports termination loudspeaker.
10. a flame snuffer management system, is characterized in that, comprises system host, at least one mobile terminal and a plurality of flame snuffer pressure anomaly alarm device according to claim 6; Flame snuffer pressure anomaly alarm device and system host communicate to connect; Mobile terminal and system host wireless connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510952315.0A CN105403345A (en) | 2015-12-17 | 2015-12-17 | Spring tube pressure meter, fire extinguisher pressure abnormity alarm and fire extinguisher management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510952315.0A CN105403345A (en) | 2015-12-17 | 2015-12-17 | Spring tube pressure meter, fire extinguisher pressure abnormity alarm and fire extinguisher management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105403345A true CN105403345A (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510952315.0A Pending CN105403345A (en) | 2015-12-17 | 2015-12-17 | Spring tube pressure meter, fire extinguisher pressure abnormity alarm and fire extinguisher management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105403345A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108310713A (en) * | 2018-04-18 | 2018-07-24 | 四川久天测控技术有限公司 | A kind of fire extinguisher management system |
| CN108827524A (en) * | 2018-07-06 | 2018-11-16 | 杨明文 | A kind of outdoor fire hydrant played with the detection of hydraulic pressure numerical value |
| CN109559873A (en) * | 2018-12-30 | 2019-04-02 | 国家电网有限公司 | Respirator with pressure alarm function |
-
2015
- 2015-12-17 CN CN201510952315.0A patent/CN105403345A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108310713A (en) * | 2018-04-18 | 2018-07-24 | 四川久天测控技术有限公司 | A kind of fire extinguisher management system |
| CN108827524A (en) * | 2018-07-06 | 2018-11-16 | 杨明文 | A kind of outdoor fire hydrant played with the detection of hydraulic pressure numerical value |
| CN109559873A (en) * | 2018-12-30 | 2019-04-02 | 国家电网有限公司 | Respirator with pressure alarm function |
| CN109559873B (en) * | 2018-12-30 | 2020-04-17 | 国家电网有限公司 | Respirator with pressure alarm function |
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Application publication date: 20160316 |