CN204312847U - Valve action alarm device and valve - Google Patents
Valve action alarm device and valve Download PDFInfo
- Publication number
- CN204312847U CN204312847U CN201420689259.7U CN201420689259U CN204312847U CN 204312847 U CN204312847 U CN 204312847U CN 201420689259 U CN201420689259 U CN 201420689259U CN 204312847 U CN204312847 U CN 204312847U
- Authority
- CN
- China
- Prior art keywords
- valve
- switch
- handle
- trigger component
- audible
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000009471 action Effects 0.000 title abstract description 10
- 230000006698 induction Effects 0.000 claims abstract description 58
- 235000014676 Phragmites communis Nutrition 0.000 claims description 35
- 238000013459 approach Methods 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 9
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 abstract 5
- 230000001939 inductive effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 244000273256 Phragmites communis Species 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910000926 A-3 tool steel Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000037147 athletic performance Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model provides a valve action alarm device and valve, the valve includes handle and valve body, its characterized in that, the device includes: the device comprises a power supply, a trigger component, an inductive switch and a sound-light alarm; the power supply is electrically connected with the audible and visual alarm, the induction switch is connected between the power supply and the audible and visual alarm in series, and the trigger component is connected with the induction switch in an induction manner; the trigger component is arranged on the lower surface of the handle, the inductive switch is arranged on the upper surface of the valve body right below the trigger component, and the audible and visual alarm is arranged on the surface of the valve body. When the handle is opened or closed, the trigger part on the lower surface of the handle can trigger the induction switch to work, so that the power supply, the induction switch and the audible and visual alarm form a series closed passage, and the audible and visual alarm positioned on the surface of the valve body is driven to give out sound and flash warning so as to prompt an operator to take corresponding control measures and enhance the use safety of the valve.
Description
Technical field
The utility model machine control techniques field, particularly relates to a kind of valve event warning device and valve.
Background technique
Valve, as pass opening device conventional in a kind of pipeline, is seen everywhere in fields such as modern industry production, oil pipeline and storages.
In the processes such as oil-gas mining, accumulating and petrochemical iy produced, the start or stop of a lot of valve is very crucial, once valve closing or unlatching improperly, may cause very serious production accident, and its consequence is inestimable.If particularly operator's opening/shutting valve in emergency situations, be easy to occur valve stagger, wrong to close, leak operation or the action of opening, leaking the mistakes such as pass, and also cannot this mistake of Timeliness coverage after faulty operation or action occur, thus easily cause the generation of accidents such as running material, batch mixing and build the pressure, even also can fire hazard, the major accidents such as plant downtime are occurred.Especially petroleum and petrochemical industry production industry, because the slip up major accident that causes of valve operation is of common occurrence.Therefore, in the urgent need to providing a kind of valve with action warning function, to meet the demand of valve safety in utilization.
Model utility content
The utility model provides a kind of valve event warning device and valve, in order to realize providing action warning function when valve event, to improve the Security that valve uses.
The utility model provides a kind of valve event warning device on the one hand, and described valve comprises handle and valve body, and described device comprises: power supply, trigger component, induction switch and audible-visual annunciator;
Described power supply and described audible-visual annunciator are electrically connected, and described induction switch is serially connected between described power supply and described audible-visual annunciator, and described trigger component is responded to described induction switch and is connected;
Described trigger component is arranged on described handle lower surface, and the upper surface of the described valve body immediately below described trigger component is provided with described induction switch, and described audible-visual annunciator is arranged on the surface of described valve body.
Further, described device also comprises:
Control switch, described control switch is serially connected between described power supply and described audible-visual annunciator.
Alternatively, described induction switch is inductance approach switch, and described trigger component is metallic conductor.
Particularly, described inductance approach switch is made up of oscillator, amplification circuit and switching circuit.
Alternatively, described induction switch is magnetic switch, and described trigger component is permanent magnet.
Further, described magnetic switch comprises the dry reed-pipe of a dry reed-pipe or multiple parallel connection;
Described dry reed-pipe comprises the first reed and the second reed, and the distance of described first reed and described second reed is less than predeterminable range threshold value.
Further, described dry reed-pipe is open type dry reed-pipe or normally closed dry reed pipe.
The utility model provides a kind of valve on the other hand, comprises valve body, spool, valve rod, handle, and any one valve event warning device that first aspect provides;
Described spool is assembled in described valve body, and described valve rod is installed on described spool, and described handle is connected with described valve rod.
The valve event warning device that the utility model provides and valve, arranging valve event warning device with on the valve of handle, this warning device comprises power supply, trigger component, induction switch and audible-visual annunciator.By trigger component is arranged on handle lower surface, and be provided with induction switch on the upper surface of the valve body of the valve corresponding with handle, the position of this induction switch is positioned at immediately below trigger component.Thus, when handle opens or closes, trigger component on handle lower surface just can cause induction switch work, thus make power supply, induction switch form with audible-visual annunciator close access of connecting, the audible-visual annunciator being positioned at valve body surface is driven to sound and flash-caution, take corresponding control measure with alert, strengthen the Security that valve uses.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The electrical block diagram of the kind valve event warning device that Fig. 1 provides for the utility model one embodiment;
The structural representation of the valve event warning device that Fig. 2 provides for the utility model one embodiment;
The structural representation of the dry reed-pipe that Fig. 3 provides for the utility model one embodiment;
The structural representation of the valve that Fig. 4 provides for the utility model one embodiment
The structural representation of the valve that Fig. 5 provides for another embodiment of the utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1, valve, 11, handle, 12, valve body, 2, power supply, 3, trigger component, 4, induction switch, the 41, first reed, the 42, second reed, 5, audible-visual annunciator, 6, control switch.
Embodiment
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The manually-operated gate adopted mostly is, owing to not having start or stop warning alarm set in this manually-operated gate in prior art.The demand often causing operator can not understand it in time whether the operation of valve to be met to safety in production etc., thus easily cause serious accident.
The electrical block diagram of the kind valve event warning device that Fig. 1 provides for the utility model one embodiment, the structural representation of the valve event warning device that Fig. 2 provides for the utility model one embodiment, as depicted in figs. 1 and 2, described valve 1 comprises: handle 11 and valve body 12, in addition, spool and valve rod is also comprised in this valve 1.
Wherein, spool is assembled in described valve body 12; Described valve rod is arranged on spool, for driving described spool mobile in described valve body 12; Described handle 11 is connected with described valve rod, rotates for driving described valve rod.
In the present embodiment, be arranged in the described valve event warning device on valve 1 and specifically comprise following assembly:
Power supply 2, trigger component 3, induction switch 4 and audible-visual annunciator 5;
Wherein, described power supply 2 is electrically connected with described audible-visual annunciator 5;
Described induction switch 4 is serially connected between described power supply 2 and described audible-visual annunciator 5;
Described trigger component 3 is responded to described induction switch 4 and is connected;
And described trigger component 3 is arranged on described handle 11 lower surface, and the upper surface of the described valve body 12 immediately below described trigger component 3 is provided with described induction switch 4, and described audible-visual annunciator 5 is arranged on the surface of described valve body 12.
In actual applications, in order to operator's convenient operation, the setting position of trigger component 3 on handle 11 can carry out rational selection, in general, for the handle with scoop-like shape, this trigger component 3 can be arranged on handle front end, namely near that one end of valve rod, and be parallel to the appropriate location of valve body 12, being why the valve body 12 that the surface of trigger component 3 can be parallel to drum-shaped, is to ensure that trigger component 3 and the induction switch 4 be arranged on valve body 12 have larger induced force space as far as possible.Thus the action of valve when ensureing valve operation, can be identified more effectively and accurately.
Particularly, the positive pole of power supply 2 is electrically connected by the input terminal of wire with audible-visual annunciator 5, and the negative pole of power supply 2 is electrically connected by the Out let of wire with audible-visual annunciator 5.
Thus described induction switch 4 can be serially connected on the wire of connection power supply 2 positive pole and audible-visual annunciator 5 input terminal, or described induction switch 4 also can be serially connected on the wire of connection power supply 2 negative pole and audible-visual annunciator 5 Out let.
When reality uses, because trigger component 3 is located on the lower surface of described handle 11, induction switch 4 is arranged on valve body 12 upper surface with on the corresponding position of trigger component 3, when handle opens or closes, trigger component 3 causes induction switch 4 and works, now, audible-visual annunciator 5 place circuit forms closed-loop path, and audible-visual annunciator 5 is sounded and flash-caution.
On the one hand when operator's misoperation valve, the chimes of doom that this valve event warning device sends, makes operator in time the handle of valve be returned to normal position;
On the other hand in the process of operator's normal running valve, this valve event warning device also can send warning, thus reminds operator, and the valve operated by it is critical process point, makes the careful operation of staff, and confirms whether its operation is correct.
Further, for the ease of the installation and maintenance of valve event warning device, described valve event warning device also comprises:
Control switch 6, described control switch 6 is serially connected between described power supply 2 and described audible-visual annunciator 5.
Particularly, described control switch 6 can be serially connected on the wire of the connection positive pole of power supply 2 and the input terminal of audible-visual annunciator 5, or described control switch 6 also can be serially connected on the wire of the connection negative pole of power supply 2 and the Out let of audible-visual annunciator 5.
What deserves to be explained is, be series relationship between this control switch 6 and induction switch 4, and this control switch 6 runs for the switch controlling whole valve event warning device.
In an optional mode of execution, described induction switch 4 can be inductance approach switch, and now, described trigger component 3 is metallic conductor.
Particularly, described inductance approach switch 4 is made up of oscillator, amplification circuit and switching circuit.
Wherein, this oscillator, amplification circuit and switching circuit can select normally used element in prior art.
In another optional mode of execution, described induction switch 4 can be magnetic switch, and described trigger component 3 is permanent magnet, thus when handle 11 opens or closes, the trigger component 3 be made up of permanent magnet causes the induction switch 4 be made up of magnetic switch and works.
In concrete implementation process, a dry reed-pipe in magnetic switch, can be comprised.As shown in Figure 3, described dry reed-pipe comprises the first reed 41 and the second reed 42, and described first reed 41 is less than predeterminable range threshold value with the distance of described second reed 42.
The magnetic switch going alone reed pipe cannot trigger the problem of magnetic switch work when in use occurring that handle opens or closes sometimes, this is because permanent magnet and single dry reed-pipe placement location and direction cause.Can be in parallel by multiple dry reed-pipe in specific implementation process in order to address this problem, and the direction in space difference residing for different dry reed pipe, such as four dry reed-pipes in parallel, mutual orthogonal sets across structure, to respond to the triggering of permanent magnet from different directions.
In specific implementation process, according to different alarm demands, in valve event warning device, described dry reed-pipe is open type dry reed-pipe, or is normally closed dry reed pipe.
In the present embodiment, arranging valve event warning device with on the valve of handle, this warning device comprises power supply, trigger component, induction switch and audible-visual annunciator.By trigger component is arranged on handle lower surface, and be provided with induction switch on the upper surface of the valve body of the valve corresponding with handle, the position of this induction switch is positioned at immediately below trigger component.Thus, when handle opens or closes, trigger component on handle lower surface just can cause induction switch work, thus make power supply, induction switch form with audible-visual annunciator close access of connecting, the audible-visual annunciator being positioned at valve body surface is driven to sound and flash-caution, take corresponding control measure with alert, strengthen the Security that valve uses.
The valve event warning device that the present embodiment provides, for monitoring valve event, when valve events, will send automatic alarm prompting, taking corresponding control measure with alert, strengthening the Security that valve uses.Particularly, on the one hand when operator's misoperation valve, the chimes of doom that this valve event warning device sends, makes operator in time the handle (valve rod) of valve be returned to normal position; On the other hand in the process of operator's normal running valve, this valve also can send warning, thus reminds operator, and the valve operated by it is critical process point, makes the careful operation of staff, and confirms whether its operation is correct.
In addition, what deserves to be explained is, in above embodiment, trigger component is fixedly installed on handle, thus namely the motion of handle is equivalent to the operation of trigger component, thus according to the motion of the trigger component sensed, induction switch determines that valve is by the operation carried out.But, the warning device detected as main actions by alarm, trigger component and induction switch, the detection alarm to other device operation actions can also be applied to, namely as one independently warning device be applied to different applications, be not limited in valve.So, this trigger component is when being arranged on detected device, both can be as being fixedly installed in device surface in above valve embodiments, also can install by on-fixed, namely trigger component movably installs setting within the scope of the certain predetermined of detected device surface, thus when such as detected device produces the situation such as abnormal deformation, abnormal vibrations, the moveable trigger component being arranged on its surface carries out abnormal mobile thereupon, when induction switch induction detects that the exception of trigger component is mobile, the warning of triggered alarm.
The structural representation of the valve that Fig. 4 provides for the utility model one embodiment, as shown in Figure 4, this valve 1 comprises:
Handle 11, valve body 12, spool, valve rod 13, and the valve event warning device described in above-mentioned any embodiment;
Described spool is assembled in described valve body 12; Described valve rod 13 is arranged on spool, for driving described spool mobile in described valve body 12; Described handle 11 is connected with described valve rod 13, rotates for driving described valve rod 13.
When in the valve event warning device arranged in this valve 1, when trigger component 3 is metallic conductor, as shown in Figure 4, the structural representation of the valve that Fig. 4 provides for the utility model one embodiment, in Fig. 4, handle 11 is equivalent to trigger component 3, and induction switch 4 is inductance approach switch.Following mode can be adopted to realize:
Further, described handle is metallic conductor, and now, this handle 11 can as trigger component 3.Accordingly, induction switch 4 is inductance approach switch, when handle 11 opens or closes, causes inductance approach switch work.
Now, owing to there is larger induction area of contact for the handle of metallic conductor, when handle is undertaken operating by operator and moves time, induction switch 4 can sense the movement of handle 11 very accurately, thus can know unlatching or the closed condition of valve 1.
What deserves to be explained is, induction switch 4 can be inductance approach switch.The effect of proximity switch be when object and proximity switch close to and reach certain distance time, can signal be sent.Wherein, proximity switch is that one does not need to carry out Mechanical Contact with moving element and manipulable position switch, proximity switch is kind of a switch-type sensor (i.e. contactless switch), the characteristic of its existing position limit switch, sensitive switch, has sensing capabilities simultaneously, and reliable in action, stable performance, frequency response is fast, and application life is long, and antijamming capability waits by force and has waterproof, the feature such as shockproof, corrosion-resistant.The common type of proximity switch has inductance type, condenser type, Hall-type, cross, straight flow pattern.
When detecting body is metallic material, can select High Frequency Oscilated Approach Switch, the type proximity switch detects the sensitiveest to iron nickel, A3 steel class detecting body, and to aluminium, brass and stainless steel-like detecting body, its detection sensitivity is just low.Therefore, when handle 11 is unlike material time, accordingly, the type of proximity switch can the type as different in capacitor type, photoelectric type, ultrasonic type etc. of Selection radio, is not limited with the present embodiment.
Because induction switch in the present embodiment 4 is for detecting the athletic performance of handle 11, and handle 11 is metallic conductor, therefore, in order to carry out being suitable for of generality to metallic conductor, induction switch 4 in the present embodiment is chosen as inductance approach switch, can in order to detect magnetic conduction or not magnetic conductive metal.
Particularly, inductance approach switch is made up of three parts: oscillator, amplification circuit and switching circuit.
Oscillator produces an alternating magnetic field, when metal target and handle 11 are close to this magnetic field, and when reaching distance of reaction, in metal target, produces eddy current, thus causes oscillatory extinction, so that failure of oscillation.The change of oscillator vibrates and failure of oscillation is by the process of rear class amplification circuit and have switching circuit to convert switching signal to, drives audible-visual annunciator to send corresponding alarm, thus reach the object of non-contact detection to trigger.
In addition, when the trigger component 3 in the valve event warning device that valve 1 is arranged is permanent magnet, this permanent magnet is located on described handle 11.Accordingly, induction switch 4 is now magnetic switch, is arranged on the valve body 12 of valve 1, and the corresponding position corresponding with permanent magnet, when handle opens or closes, permanent magnet causes magnetic switch work.As shown in Figure 5, the structural representation of the valve that Fig. 5 provides for another embodiment of the utility model, in Fig. 5, trigger component 3 is permanent magnet, and induction switch 4 is magnetic switch.
Particularly, namely magnetic switch is the switch responded to by magnet.
Wherein, trigger component 3 is such as rubber magnet, permanent-magnet ferrite, sintered NdFeB etc., adopts permanent magnet, not as limit in the present embodiment.
Magnetic switch is exactly mainly dry reed-pipe.In concrete implementation process, a dry reed-pipe in magnetic switch, can be comprised.As shown in Figure 3, described dry reed-pipe comprises the first reed 41 and the second reed 42, and described first reed 41 is less than predeterminable range threshold value with the distance of described second reed 42.
Dry reed-pipe is the abbreviation of dry type tongue spring tube, it is a kind of passive electronic switching element having contact, there is structure simple, volume is little is convenient to the advantages such as control, its shell is generally the glass tube of a sealing, the elastic spring electroplax of two ironys is housed in pipe, and also filling with has a kind of inert gas being metal rhodium.
Two reeds be made up of special material in glass tube i.e. the first reed 41 and the second reed 42 separates.When the material that is magnetic is near glass tube, under the effect of magnetic field magnetic line, two reeds in pipe are magnetized and contact of attracting each other, and reed will be pulled together, and makes the circuit communication that node connects.After outer magnetic force disappears, two reeds separate due to the elasticity of itself, and circuit is also just disconnected.
In practice, usually whether control the connection of these two tinsels, so be otherwise known as " magnetron " with permanent magnet.
Owing to cannot trigger the problem of magnetic switch work when the magnetic switch going alone reed pipe in use occurs that handle opens or closes sometimes, this is because permanent magnet and single dry reed-pipe placement location and direction cause.Can be in parallel by multiple dry reed-pipe in specific implementation process in order to address this problem, and the direction in space difference residing for different dry reed pipe, such as four dry reed-pipes in parallel, mutual orthogonal sets across structure, to respond to the triggering of permanent magnet from different directions.
In specific implementation process, according to different alarm demands, in valve event warning device, described dry reed-pipe is open type dry reed-pipe, or is normally closed dry reed pipe.
In the present embodiment, arranging valve event warning device with on the valve of handle, this warning device comprises power supply, trigger component, induction switch and audible-visual annunciator.Wherein, this trigger component can be the permanent magnet be arranged on handle, by trigger component is arranged on handle lower surface, and induction switch is provided with on the upper surface of the valve body of the valve corresponding with handle, the position of this induction switch is positioned at immediately below trigger component, and this induction switch can be the magnetic switch corresponding with permanent magnet.Thus, when handle is opened, under the effect of the magnetic field magnetic line of permanent magnet, two reeds in magnetic switch in dry reed-pipe pipe are magnetized and contact of attracting each other, reed will be pulled together, and makes the circuit communication that node connects, and drives the audible-visual annunciator being positioned at valve body surface to sound and flash-caution, take corresponding control measure with alert, strengthen the Security that valve uses.After outer magnetic force disappears, two reeds separate due to the elasticity of itself, and circuit is also just disconnected, thus also drive the audible-visual annunciator being positioned at valve body surface to sound and flash-caution, take corresponding control measure with alert, strengthen the Security that valve uses.
The valve that the present embodiment provides itself has above-mentioned valve event warning device, and it is in use without the need to installing other fixtures.Use this valve can reduce the risk brought because valve is misused, and improve the vigilance of operator, strengthen the Security that valve uses, thus provide sound assurance to safety in production.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (9)
1. a valve event warning device, described valve comprises handle and valve body, it is characterized in that, described device comprises: power supply, trigger component, induction switch and audible-visual annunciator;
Described power supply and described audible-visual annunciator are electrically connected, and described induction switch is serially connected between described power supply and described audible-visual annunciator, and described trigger component is responded to described induction switch and is connected;
Described trigger component is arranged on described handle lower surface, and the upper surface of the described valve body immediately below described trigger component is provided with described induction switch, and described audible-visual annunciator is arranged on the surface of described valve body.
2. device according to claim 1, is characterized in that, also comprises:
Control switch, described control switch is serially connected between described power supply and described audible-visual annunciator.
3. device according to claim 1 and 2, is characterized in that, described induction switch is inductance approach switch, and described trigger component is metallic conductor.
4. device according to claim 3, is characterized in that, described inductance approach switch is made up of oscillator, amplification circuit and switching circuit.
5. device according to claim 1 and 2, is characterized in that, described induction switch is magnetic switch, and described trigger component is permanent magnet.
6. device according to claim 5, is characterized in that, described magnetic switch comprises the dry reed-pipe of a dry reed-pipe or multiple parallel connection;
Described dry reed-pipe comprises the first reed and the second reed, and the distance of described first reed and described second reed is less than predeterminable range threshold value.
7. device according to claim 6, is characterized in that, described dry reed-pipe is open type dry reed-pipe or normally closed dry reed pipe.
8. a valve, is characterized in that, comprising:
Valve body, spool, valve rod, handle, and the valve event warning device according to any one of claim 1 to 7;
Described spool is assembled in described valve body, and described valve rod is installed on described spool, and described handle is connected with described valve rod.
9. valve according to claim 8, is characterized in that, described handle is metallic conductor, as described trigger component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689259.7U CN204312847U (en) | 2014-11-17 | 2014-11-17 | Valve action alarm device and valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420689259.7U CN204312847U (en) | 2014-11-17 | 2014-11-17 | Valve action alarm device and valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312847U true CN204312847U (en) | 2015-05-06 |
Family
ID=53135165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420689259.7U Expired - Fee Related CN204312847U (en) | 2014-11-17 | 2014-11-17 | Valve action alarm device and valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673922A (en) * | 2014-11-17 | 2016-06-15 | 中国石油天然气股份有限公司 | Valve action alarm device and valve |
| CN109502096A (en) * | 2018-12-14 | 2019-03-22 | 哈尔滨联科自动化技术开发有限公司 | Mechanical position-sensing switch and localization method |
-
2014
- 2014-11-17 CN CN201420689259.7U patent/CN204312847U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673922A (en) * | 2014-11-17 | 2016-06-15 | 中国石油天然气股份有限公司 | Valve action alarm device and valve |
| CN109502096A (en) * | 2018-12-14 | 2019-03-22 | 哈尔滨联科自动化技术开发有限公司 | Mechanical position-sensing switch and localization method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101532196B1 (en) | Position measuring system and associated measuring method for detecting an indicated position of a linearly movable guide element | |
| CN204312847U (en) | Valve action alarm device and valve | |
| US9882326B2 (en) | Configurable switch emulator module | |
| CN205070164U (en) | Electric power clamp plate and power equipment | |
| CN105673922A (en) | Valve action alarm device and valve | |
| CN104805648A (en) | Liquid level detecting device, detergent box and washing machine | |
| CN209557770U (en) | A kind of Antiexplosive electromagnetic valve coil presence detection device | |
| WO2024036920A1 (en) | Valve and valve monitoring method | |
| CN105486382A (en) | Magnetostrictive liquid level measuring device with liquid level hard warning and detecting functions | |
| CN104391197A (en) | Electromagnet fault detection method and circuit, control method and circuit and circuit breaker | |
| CN105070601A (en) | Magnetic induction-based breaker contact wear monitoring method and breaker | |
| CN204690387U (en) | Liquid level detection device, detergent box and washing machine | |
| CN108061195A (en) | The method that a kind of high frequency fast cut valve door switch speed of VPSA techniques precisely detects | |
| CN111366843B (en) | Circuit breaker device and switching-on/off detection method and device | |
| CN103066981A (en) | Multiple-contact switch | |
| CN106128820A (en) | A kind of non-contact type Hall electromagnetic position detection device | |
| CN206480553U (en) | A kind of breaker vacuum pipe contact life-span on-line measuring device | |
| CN215487667U (en) | Electromagnetic pulse valve with valve motion state monitoring device | |
| CN202177677U (en) | Exhaust fan detecting device | |
| CN210835088U (en) | Magnetic field detection device for electromagnetic valve | |
| CN111208419B (en) | Detection circuit, device and system applied to proximity switch | |
| CN104196087A (en) | Water supply device with fault detection function | |
| JP6279381B2 (en) | Magnetic detection type sensor | |
| CN202471883U (en) | Novel detector for preventing open circuits and short circuits | |
| JP2015041544A (en) | Non-contact safety switch and machine control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |