CN207122759U - A kind of pressure sensitive device - Google Patents
A kind of pressure sensitive device Download PDFInfo
- Publication number
- CN207122759U CN207122759U CN201721175715.6U CN201721175715U CN207122759U CN 207122759 U CN207122759 U CN 207122759U CN 201721175715 U CN201721175715 U CN 201721175715U CN 207122759 U CN207122759 U CN 207122759U
- Authority
- CN
- China
- Prior art keywords
- pressure
- magnet
- cavity
- fexible film
- sleeve
- 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.)
- Active
Links
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
It the utility model is related to a kind of pressure sensitive device.Described device includes housing and the fexible film in housing, and space in housing is divided into the first cavity and the second cavity by the fexible film, wherein the first cavity is connected provided with air inlet by air inlet with test system；Pressure balance mechanism is respectively equipped with two cavitys, two pressure balance mechanism one end are compared to abutting, respectively positioned at fexible film both sides；For air pressure in the state of setting, fexible film is in initial tension state in two cavitys；When the cavity gas pressure change of UNICOM's air inlet, fexible film tension state accordingly changes the pressure balance mechanism action triggers induced signal for causing both sides.The pressure-detecting device high sensitivity, structure is novel, completely using theory of mechanics conducted signal, is not required to electricity consumption, more securely and reliably.
Description
Technical field
It the utility model is related to gas safety detection field, in particular to a kind of pressure for fuel gas pipeline leakage detection
Induction installation.
Background technology
Combustion gas has obtained rapid development and popularization, the huge increasing of gas user quantity in China, and gas accidentses occur several
Rate is also significantly increased.Gas accidentses are emerged in an endless stream in recent years in China, and the physical and mental health and property safety to people are brought greatly
Threat.Government department and various regions gas company, policy and management system are put into effect, wherein family's gas user is required, without combustion
Indoor gas valve is closed during gas, prevents aging, the damaged gas accidentses for causing gas leakage to trigger.Also there is city will
Seek installation Fuel Gas Leak Alarm.
Existing family's Fuel Gas Leak Alarm, it is to use to sense gas leakage and send alarm, this combustion
Gas leakage alarm has the following disadvantages：A, Fuel Gas Leak Alarm device, design principle are let out by gas sensor sensing
Gas leakage body, it is desirable to which gas leakage reaches finite concentration, and inductor could sense, and send signal；B, powered alarm apparatus,
In the case where gas leakage occurs, inherently dangerous matter sources；C, leakage alarm often occurs to report phenomenon by mistake；D, gas sense
Answer device quality requirement high, want qualified inspection body to test every year, be confirmed whether effectively.Gas company's workload is big,
If do not examined every year, whether inductor is normal, it is impossible to it is determined that, cause huge hidden danger to user and gas company；E, leakage report
Alert device is affected by environment big, and the low F of reliability, leakage mean that accident has occurred and that, the simply difference of size.G, it is small to let out
Leakage, combustion gas gas sensor, sensing are difficult.
Utility model content
In order to solve the above problems, the utility model provides a kind of pressure sensitive device.
The technical solution of the utility model is as follows：A kind of pressure sensitive device, for above-mentioned coal gas detection method, including
Space in housing is divided into the first cavity and the second cavity by housing and the fexible film in housing, the fexible film, wherein
First cavity is connected provided with air inlet by air inlet with test system；Pressure balance mechanism, two pressures are respectively equipped with two cavitys
Dynamic balance mechanism one end is compared to abutting, respectively positioned at fexible film both sides；Air pressure is in the state of setting in two cavitys, fexible film
In initial tension state；When the cavity gas pressure change of UNICOM's air inlet, fexible film tension state, which accordingly changes, to be made
Obtain the pressure balance mechanism action triggers induced signal of both sides.
Preferably, the first pressure balanced controls set in first cavity include drive link, frizzen, spring and bullet
Spring fixed cover；Described drive link one end is fixed on fexible film by gim peg, and the other end stretches into spring retaining sleeve and triggering
Bar connects, and spring is socketed on spring retaining sleeve and the outer part of drive link is spacing by spring retaining sleeve, and spring retaining sleeve is limited in
First protuberance on housing, first protuberance have the cavity being adapted with spring retaining sleeve shape.
Further, described device also includes being socketed on sleeve on the first protuberance, and spring retaining sleeve termination stretches out the
One protuberance is connected through a screw thread with sleeve lining, and the frizzen in spring retaining sleeve is realized in sleeve under pressure
Interior movement.
Cap is connected with sleeve, it is corresponding with spring retaining sleeve endoporus to set through hole among cap, is acted for frizzen, cap
Through hole both sides signal transmitting part and signal receiving element is installed.
Further, auxiliary fixing member is provided between the drive link and frizzen.
Preferably, the second pressure balanced controls in the second cavity include the first magnet, the second magnet, axle sleeve and limit
Position seat；First magnet, the second magnet are individually fixed in axle sleeve both ends, and second spring is socketed on axle sleeve one end and the first magnet,
It is integrally located at after three's socket in limit base, limit base one end corresponding to the first magnet props up inner walls, the second magnet end
Expose limit base to abut with first pressure balanced controls.
Further, pressure adjusting gasket is provided between second magnet and limit base termination.
Further, it is provided with pad between first magnet and limit base inwall.
Preferably, the housing includes the upper shell and lower house being mutually riveted together, and fexible film periphery is connected in
Between upper shell and lower house.
The beneficial effects of the utility model are：The pressure-detecting device carries out air pressure sensing, dress using fexible film
Put and be joined directly together with gas pipeline, directly detect the gaseous-pressure in pipeline, sensitivity is higher；Its structure is novel, uses completely
Theory of mechanics conducted signal, electricity consumption is not required to, more securely and reliably.
Brief description of the drawings
Fig. 1 is the assembly structure diagram of the pressure sensitive device；
Fig. 2 is the configuration schematic diagram of the pressure sensitive device；
The cut-away view of pressure sensitive device described in Fig. 3.
Embodiment
The utility model is better understood from for convenience of those skilled in the art, it is new to this practicality with reference to specific embodiment
The embodiment of type is described in detail.
Pressure sensitive device described in the utility model as Figure 1-3, including be mutually riveted together upper shell 1,
Lower house 2 and fexible film 3, upper shell 1 have the first protuberance 11.It is socketed with sleeve 6 on first protuberance, it is affixed on sleeve
There is cap 7, through hole and sleeve inner UNICOM are set among cap 7, the through hole both sides of cap 7 are provided with and following signal trigger member
（Frizzen）The signal transmitting part and signal receiving element, the device of cooperation typically use infrared emission receiving device and magnetic force induction
Device.
During assembling, upper shell 1, lower house 2 are snapped together to form a closed space, and fexible film 3 is located therein
Space in housing is divided into two cavitys up and down, wherein the part that the first cavity is lower house 2 passes through air inlet provided with air inlet 10
Mouth is connected with test system.The both sides of fexible film 3 are respectively equipped with pressure balance mechanism, and two pressure balance mechanism one end abut against.
Wherein, the first pressure balanced controls set in the first cavity include drive link 41, frizzen 44, spring 42 and spring retaining sleeve
43；Spring retaining sleeve 43 is installed on the first protuberance 11 of upper shell, and the one end of drive link 41 is fixed on flexibility by gim peg 46
On film 3, the other end stretches into spring retaining sleeve 43, and is connected by auxiliary fixing member 45 with frizzen 44, and spring 42 is socketed on
Spring retaining sleeve 43 and drive link 41 are outer and a part of spacing by spring retaining sleeve.It is corresponding with spring retaining sleeve endoporus, for triggering
Bar acts, and the termination of spring retaining sleeve 43 is stretched out the first protuberance 11 and is connected through a screw thread with the inwall of sleeve 6, positioned at spring retaining sleeve
Frizzen 44 in 43 is realized by drive link 41 under pressure to be moved in the through hole of sleeve and cap, and then is triggered red
Outer sensing device.
Second pressure balanced controls are arranged in the second cavity, including the first magnet 51, the second magnet 52, axle sleeve 53 and limit
Position seat 54；First magnet 51, the second magnet 52 are individually fixed in the both ends of axle sleeve 53, second spring 55 be socketed on the one end of axle sleeve 53 and
On first magnet 51, it is integrally located at after three's socket in limit base 54, limit base one end corresponding to the first magnet 51 props up lower casing
Limit base 54 and the fixation for fixed conveyor bar 41 in first pressure balanced controls are exposed in internal wall, the end of the second magnet 52
Bolt 46 abuts.Pressure adjusting gasket 56, the first magnet and limit base are additionally provided between the second magnet 52 and the termination of limit base 54
Pad 57 is provided between inwall.
Pressure sensitive device is generally mounted in the indoor pipeline of user, sets its normal operating range, during detection, is closed
Corresponding total valve of registering one's residence, the gas in pipeline is remained stable, if detecting that indoor pipeline pressure is less than setting value, represent
Pipeline has leakage, then exports corresponding signal and alarm and lock pipeline air-inlet end of registering one's residence.If detect gaseous-pressure higher than setting
Value also illustrates that manifold pressure abnormal condition and output signal is alarmed.
Under original state, air pressure and pressure balance mechanism collective effect make fexible film be in initial in two cavitys in housing
Tension state；Frizzen is located in the through hole of cap, stops infrared emission and receiving device located at both sides.When UNICOM's air inlet
During the cavity gas pressure change of mouth, fexible film tension state accordingly changes, to the release of second pressure balanced controls direction
Power, and then drive frizzen to be moved to second pressure balanced controls direction by gim peg and drive link, frizzen is retracted, and is made red
It is outer transmitting and receiving device conducting, induced signal transmission and go out, control centre judges that internal gas pipe has leakage according to this, pipeline
Interior air pressure step-down, so as to be alarmed and closed valve operation.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. a kind of pressure sensitive device, it is characterised in that the fexible film including housing and in housing, the fexible film will
Space is divided into the first cavity and the second cavity in housing, is connected wherein the first cavity is provided with air inlet by air inlet and test system
Connect；Pressure balance mechanism is respectively equipped with two cavitys, two pressure balance mechanism one end are compared to abutting, respectively positioned at fexible film two
Side；For air pressure in the state of setting, fexible film is in initial tension state in two cavitys；When the cavity gas pressure of UNICOM's air inlet
When power changes, fexible film tension state accordingly changes the pressure balance mechanism action triggers induced signal for causing both sides.
2. pressure sensitive device according to claim 1, it is characterised in that the first pressure set in first cavity
Balanced controls include drive link, frizzen, spring and spring retaining sleeve；Described drive link one end is fixed on flexibility by gim peg
On film, the other end stretches into spring retaining sleeve and is connected with frizzen, and spring is socketed on spring retaining sleeve and the outer part of drive link
Spacing by spring retaining sleeve, spring retaining sleeve is limited in the first protuberance on housing, and first protuberance has to be fixed with spring
Cover the adaptable cavity of shape.
3. pressure sensitive device according to claim 2, it is characterised in that also include the set being socketed on the first protuberance
Cylinder, spring retaining sleeve termination are stretched out the first protuberance and are connected through a screw thread with sleeve lining, the triggering in spring retaining sleeve
Bar is realized under pressure to be moved in sleeve；Cap is connected with sleeve, is set among cap in through hole and spring retaining sleeve
Hole is corresponding, is acted for frizzen, and the through hole both sides of cap are provided with signal transmitting part and signal receiving element；The drive link is with touching
Auxiliary fixing member is provided between hair bar.
4. pressure sensitive device according to claim 1, it is characterised in that the second pressure in the second cavity is put down
Weighing apparatus mechanism includes the first magnet, the second magnet, axle sleeve and limit base；First magnet, the second magnet are individually fixed in axle sleeve both ends,
Second spring is socketed on axle sleeve one end and the first magnet, is integrally located at after three's socket in limit base, corresponding to the first magnet
Limit base one end props up inner walls, and the second magnet end is exposed limit base and abutted with first pressure balanced controls；Described second
Pressure adjusting gasket is provided between magnet and limit base termination；Pad is provided between first magnet and limit base inwall.
5. pressure sensitive device according to claim 1, it is characterised in that the housing includes mutually being riveted together
Upper shell and lower house, fexible film periphery is connected between upper shell and lower house.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721175715.6U CN207122759U (en) | 2017-09-14 | 2017-09-14 | A kind of pressure sensitive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721175715.6U CN207122759U (en) | 2017-09-14 | 2017-09-14 | A kind of pressure sensitive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207122759U true CN207122759U (en) | 2018-03-20 |
Family
ID=61601912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721175715.6U Active CN207122759U (en) | 2017-09-14 | 2017-09-14 | A kind of pressure sensitive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207122759U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606491A (en) * | 2017-09-14 | 2018-01-19 | 惠州市三康科技有限公司 | A kind of building gas pipe, service pipe, indoor pipe leakage detection method |
| CN110487474A (en) * | 2019-08-23 | 2019-11-22 | 深圳市前海三安盛科技有限公司 | A kind of pipeline air pressure induction alarm system |
-
2017
- 2017-09-14 CN CN201721175715.6U patent/CN207122759U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606491A (en) * | 2017-09-14 | 2018-01-19 | 惠州市三康科技有限公司 | A kind of building gas pipe, service pipe, indoor pipe leakage detection method |
| CN107606491B (en) * | 2017-09-14 | 2024-04-02 | 苏海洪 | Leakage detection method for indoor gas pipeline |
| CN110487474A (en) * | 2019-08-23 | 2019-11-22 | 深圳市前海三安盛科技有限公司 | A kind of pipeline air pressure induction alarm system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107606491A (en) | A kind of building gas pipe, service pipe, indoor pipe leakage detection method | |
| CN207122759U (en) | A kind of pressure sensitive device | |
| CN108612890A (en) | A kind of safety monitoring system of family's fuel gas pipeline | |
| CN100585359C (en) | Gas pressure regulator test device | |
| CN209690223U (en) | A kind of fixed combustible gas detector | |
| CN109027376A (en) | A kind of safety monitoring system that combustion gas uses | |
| CN207351603U (en) | A kind of induction type pressure test device | |
| CN205859608U (en) | A kind of SCM Based pipeline gas detecting system | |
| CN208348603U (en) | A kind of safety monitoring system of family's fuel gas pipeline | |
| CN207962117U (en) | Gas leakage detection device | |
| CN207036826U (en) | A kind of Portable combustible gas detector | |
| CN107154134A (en) | A kind of remote control monitoring harmful gases device | |
| CN205722188U (en) | Intelligent anti-theft gas meter based on Hall element and small-sized magnet steel | |
| CN212004484U (en) | Self-sensing electromagnetic pulse valve convenient to install | |
| CN214149446U (en) | Non-magnetic water meter pulse signal remote detection device | |
| CN2438187Y (en) | Flow guide dynamic gas leakage testing and alarm device | |
| CN207779946U (en) | A kind of natural gas sample detecting explosion protection system | |
| CN207634783U (en) | A kind of combustion gas is registered one's residence controller | |
| CN201210104Y (en) | Test apparatus for gas regulator | |
| CN209540093U (en) | Connect the Intelligent ball valve of Internet of Things forecast leakage | |
| CN218937632U (en) | Portable multifunctional pressure gauge | |
| CN207540640U (en) | Gas meter, flow meter combustible gas probe | |
| CN221705226U (en) | Gas pipeline analysis device based on 5G internet of things function | |
| CN220419284U (en) | Exhaust gas analysis device for environmental monitoring | |
| CN220820806U (en) | Wireless photoelectric smoke detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180614 Address after: 518052 Room 201, building A, 1 Bay Road, Shenzhen Hong Kong cooperation zone, Qianhai, Shenzhen, Guangdong, Nanshan District Patentee after: Shenzhen Qianhai San an Sheng Technology Co., Ltd. Address before: 516006 Huizhou, Guangdong Zhongkai hi tech Zone 54 District third buildings on the first floor. Patentee before: Huizhou sunkang Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |