CN202018366U - Pneumatic border line sensing and self-checking system - Google Patents
Pneumatic border line sensing and self-checking system Download PDFInfo
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- CN202018366U CN202018366U CN2011200081104U CN201120008110U CN202018366U CN 202018366 U CN202018366 U CN 202018366U CN 2011200081104 U CN2011200081104 U CN 2011200081104U CN 201120008110 U CN201120008110 U CN 201120008110U CN 202018366 U CN202018366 U CN 202018366U
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- sensing
- tracheae
- checking system
- self
- pneumatic
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Abstract
The utility model relates to a pneumatic border line sensing and self-checking system which includes a sensing gas tube, and a pressure device which can add pressure to the sensing gas tube. The sensing gas tube is provided with a sensing device which is used to sense the pressure variation inside the sensing gas tube. The pressure device includes a piston and a housing which is in a sliding seal fit relationship with the piston. The section between the housing and the inner wall of the sensing is sealed. The front end of an inner cavity of the housing is communicated with a tube hole of the sensing gas tube. The piston is provided with a piston drive device which can drive the piston to move linearly. The utility model uses the pressure device to automatically add pressure to the sensing gas tube, and then uses the sensing device to sense the pressure variation inside the sensing gas tube, and finally judges whether or not the system has the fault of air leakage, and other faults. The utility model is simple in structure, and convenient in operation, and can be used to the air tightness detection of a system or a device which is operated by air pressure and air pressure variation, and is especially suitable for the air tightness detection of an examination device used in a pneumatic border line test project for driver training and examination.
Description
Technical field
The utility model relates to a kind of driver takes an examination and uses the Device Testing system, relates in particular to the self-checking system in a kind of pneumatic flanging sensing sideline.
Background technology
In the automobile driver examination, usually judge by air pressure change in the perception sensing tracheae whether the wheel of tested vehicle is pressed onto the sideline, because the major part of sensing tracheae is embedded in below ground, situations such as its sealing decline, breakage are difficult for discovering and checking, influence the reliability of examination result.
The utility model content
For overcoming the above-mentioned defective of present technology, the utility model provides a kind of pneumatic flanging sensing self-checking system, can whether integrity be checked to the sensing tracheae, and make examination result more accurate, reliable.
The technical solution adopted in the utility model is: a kind of pneumatic flanging sensing self-checking system, comprise the sensing tracheae, and described sensing tracheae is provided with and is used to respond to the induction installation that its internal gas pressure changes, and this self-checking system also comprises the pressue device that can pressurize in it.
Described pressue device can comprise plunger and the housing that cooperates with described plunger slipper seal, described housing is with sealing between the described sensing gas inside pipe wall, the front end of housing inner chamber is communicated with described sensing tracheae pore, and described plunger is provided with and can drives the plunger driving device that its straight line moves.Described drive unit is manual driving device or Vidacare corp, the preferred electromagnetic actuator device of described Vidacare corp, described electromagnetic actuator device comprise electromagnet and with the iron acting moving iron core of described electromagnetism, the described moving described plunger that connects unshakable in one's determination.
The beneficial effects of the utility model are: initiatively in described sensing tracheae, pressurize by pressue device, and the endotracheal air pressure change of the described sensing of described induction installation perception, if air pressure raises, then native system can normally use, and drops into to drive and examines; Otherwise native system gas leakage just is described, needs further to detect and maintenance, as the sealing situation of checking the sensing gas tube end, change sensing tracheae etc., thereby realized the self check of system.
The utility model is simple in structure, enforcement is convenient, is applicable to that the various impermeability of the container of air pressure or air pressure change work of utilizing detect, the impermeability self check of the used pneumatic flanging sensing device of flanging line project in being particularly suitable for driver training and taking an examination.
Description of drawings
Fig. 1 is the structural representation of an embodiment of pneumatic flanging sensing self-checking system.
Embodiment:
As shown in Figure 1, a kind of pneumatic flanging sensing self-checking system comprises sensing tracheae 3, and described sensing tracheae is provided with and is used to respond to the induction installation that its internal gas pressure changes.Described pneumatic flanging sensing self-checking system also comprises the pressue device that can pressurize in it.When utilizing pressue device to pressurize in described sensing tracheae, if native system is intact, the sensing gas intraductal atmospheric pressure will raise; If there is gas leakage in native system, get loose etc. as the breakage of sensing tracheae or plug, the then endotracheal air pressure of the sensing rising that can not occur being scheduled to, the variation of promptly described sensing gas intraductal atmospheric pressure can reflect native system and whether have principal fault.
In the present embodiment, described pressue device can comprise plunger 1 and the housing 2 that cooperates with described plunger slipper seal, described housing is with sealing between the described sensing gas inside pipe wall, the front end of housing inner chamber is communicated with described sensing tracheae pore, and described plunger is provided with and can drives the plunger driving device that its straight line moves.The two ends of described sensing tracheae are sealed by seal 4, and should locate the fine or not self check effect that directly influences of sealing property.
Described drive unit can be manual driving device or Vidacare corp.Compress gas in the described sensing tracheae by described drive unit, so that the air pressure in the described sensing tracheae raises.Described Vidacare corp is preferably electromagnetic actuator device, so that realize carrying out automatically of self check.Described electromagnetic actuator device can comprise electromagnet and with the iron acting moving iron core of described electromagnetism, the described moving described plunger that connects unshakable in one's determination.
Described induction installation can comprise the air chamber 6 and the inductive switch that is connected on the sensor circuit that is used to respond to described sensing gas intraductal atmospheric pressure variation, described air chamber is provided with the sidewall 7 of elastically deformable, can adopt tracheae 5 to be communicated with between its inner chamber and the described sensing tracheae, and described tracheae should be carried out seal approach with the junction of described air chamber and described sensing tracheae.Described inductive switch is made up of a pair of dynamic and static contact 8 and 9, and described moving contact connects or is fixedly mounted on the sidewall of described elastically deformable.
The suitable distance of maintenance between described air chamber and the described stationary contact is set, particularly should make when the sidewall of described elastically deformable is in free state, make the not enough 1mm of distance between described dynamic and static contact,, make switch motion more sensitive to shorten the time of switch connection and disconnection.
When described sensing gas intraductal atmospheric pressure raises, will make the sidewall of elastically deformable of air chamber at described moving contact place be subjected to outside tension force, thereby make moving contact to stationary contact near until contact, described switch connection.As seen, described air chamber changes air pressure change into the displacement of moving contact.
The sidewall of described elastically deformable is provided with the curved surface of evagination, and all the other sidewalls are rigid sidewalls, mainly play the effect of support elastic sidewall, also is convenient to the fixing of air chamber.Described moving contact is positioned at the central authorities of described curved surface, when the air chamber internal gas pressure raise, described curved surface produced elastic deformation, the displacement maximum that the central authorities of curved surface produce, moving contact is installed in the central authorities of curved surface, makes that pneumatic flanging sensing self-checking system is more sensitive to the detection of sensing tracheae.Described sidewall preferably adopts rubber diaphragm, makes deformation resistance littler, and switch is sensitiveer.
The common signal input part that constitutes described sensor circuit of described moving contact and stationary contact, the signal output part of described sensor circuit is connected with the signal input part of a signal processing apparatus, during described switch closure, change above-mentioned displacement into electric signal and output to described signal processing apparatus, whether the staff can grasp this system by the output of this signal processing apparatus intact.In fact, described moving contact can insert in the circuit of other different purposes with stationary contact, satisfying different needs, as utilizes the switching signal of its generation to control certain executive component action, as sends corresponding warning, takes necessary security measure etc.
Can be provided with light emitting diode or sound-producing device in the described sensor circuit, after the pressue device pressurization, switch connection, switch place sensor circuit closure, lumination of light emitting diode or sound-producing device are sounded, and show that self-detection result is normal, and promptly this system can normally use.
Described signal processing apparatus can be PLC, industrial computer or computing machine, receives the switching signal of described induction installation.The self-detection result signal of multiple examination equipment can be sent into described signal processing apparatus, can realize the self check interlock control and the condition monitoring of a whole set of examination equipment, improves the automatization level and the efficient that detect.
Described sensing tracheae is preferably sebific duct, and the quantity of described sensing tracheae pore is preferably one, and the center of the body of the described sensing tracheae of its misalignment.During installation, can make described sensing tracheae pore be partial to the below and be provided with, make thicker tube wall be positioned at the top, on the one hand, be subjected under the situation that wheel rolls or sandstone pushes, the thin tube wall of comparing is more wear-resisting, prolongs the serviceable life of sensing tracheae; On the other hand, described sensing tracheae pore is far away apart from the road surface, is subjected to the road environment variable effect less, and water or impurity etc. is difficult for entering in the hole, sensing gas is guaranteed held better job stability.
The xsect of described sensing tracheae preferably is trapezoidal or triangle, alleged herein trapezoidal and triangle, be approximate trapezoidal and triangle in actual applications, be that its limit can be a straight flange, it also can be the circular arc limit, its place, summit can be chamfering or fillet, has both made things convenient for and has installed and make, and also can save material.
Claims (10)
1. a pneumatic flanging sensing self-checking system comprises the sensing tracheae, and described sensing tracheae is provided with and is used to respond to the induction installation that its internal gas pressure changes, and it is characterized in that also comprising the pressue device that can pressurize in it.
2. pneumatic flanging sensing self-checking system according to claim 1, it is characterized in that described pressue device comprises plunger and the housing that cooperates with described plunger slipper seal, described housing is with sealing between the described sensing gas inside pipe wall, the front end of housing inner chamber is communicated with described sensing tracheae pore, and described plunger is provided with and can drives the plunger driving device that its straight line moves.
3. pneumatic flanging sensing self-checking system according to claim 2 is characterized in that described drive unit is manual driving device or Vidacare corp.
4. pneumatic flanging sensing self-checking system according to claim 3, it is characterized in that described Vidacare corp is an electromagnetic actuator device, described electromagnetic actuator device comprise electromagnet and with the iron acting moving iron core of described electromagnetism, the described moving described plunger that connects unshakable in one's determination.
5. according to claim 1,2,3 or 4 described pneumatic flanging sensing self-checking systems, it is characterized in that described induction installation comprises the air chamber and the inductive switch that is connected on the sensor circuit that is used to respond to described sensing gas intraductal atmospheric pressure variation, described air chamber is provided with the sidewall of elastically deformable, its inner chamber is communicated with described sensing tracheae, described inductive switch is made up of a pair of dynamic and static contact, and described moving contact connects or is fixedly mounted on the sidewall of described elastically deformable.
6. pneumatic flanging sensing self-checking system according to claim 5 is characterized in that the sidewall of described elastically deformable is provided with the curved surface of evagination, and described moving contact connects or be fixedly mounted on the central authorities of described curved surface.
7. pneumatic flanging sensing self-checking system according to claim 6 is characterized in that being provided with in the described sensor circuit light emitting diode or sound-producing device.
8. pneumatic flanging sensing self-checking system according to claim 7 is characterized in that the signal output part of described sensor circuit is connected with the signal input part of a signal processing apparatus, and described signal processing device is changed to PLC, industrial computer or computing machine.
9. pneumatic flanging sensing self-checking system according to claim 8 is characterized in that described sensing tracheae is a sebific duct, and the quantity of described sensing tracheae pore is one, and the center of the body of the described sensing tracheae of its misalignment.
10. pneumatic flanging sensing self-checking system according to claim 9 is characterized in that the xsect of described sensing tracheae is trapezoidal or triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200081104U CN202018366U (en) | 2011-01-07 | 2011-01-07 | Pneumatic border line sensing and self-checking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200081104U CN202018366U (en) | 2011-01-07 | 2011-01-07 | Pneumatic border line sensing and self-checking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202018366U true CN202018366U (en) | 2011-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200081104U Expired - Lifetime CN202018366U (en) | 2011-01-07 | 2011-01-07 | Pneumatic border line sensing and self-checking system |
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| Country | Link |
|---|---|
| CN (1) | CN202018366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243544A (en) * | 2019-07-02 | 2019-09-17 | 中国飞机强度研究所 | A kind of gas leak detection device, system and method |
-
2011
- 2011-01-07 CN CN2011200081104U patent/CN202018366U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243544A (en) * | 2019-07-02 | 2019-09-17 | 中国飞机强度研究所 | A kind of gas leak detection device, system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pneumatic border line sensing and self-checking system Effective date of registration: 20121015 Granted publication date: 20111026 Pledgee: Huaxia Bank Limited by Share Ltd Zhongguancun Beijing branch Pledgor: JAYA-ITS Co., Ltd. Registration number: 2012990000603 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING JAYA TECHNOLOGY CO., LTD. Free format text: FORMER NAME: JAYA-ITS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100097 Beijing city Haidian District landianchang Jin Yuan mall B District Office 905 Patentee after: Beijing JAYA Technology Co., Ltd. Address before: 100097 Beijing city Haidian District landianchang Jin Yuan mall B District Office 905 Patentee before: JAYA-ITS Co., Ltd. |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20151015 Granted publication date: 20111026 Pledgee: Huaxia Bank Limited by Share Ltd Zhongguancun Beijing branch Pledgor: Beijing JAYA Technology Co., Ltd. Registration number: 2012990000603 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20151015 Registration number: 2012990000603 Pledgor after: Beijing JAYA Technology Co., Ltd. Pledgor before: JAYA-ITS Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111026 |
|
| CX01 | Expiry of patent term |