CN101819081A - Direct induction type leakage detector - Google Patents
Direct induction type leakage detector Download PDFInfo
- Publication number
- CN101819081A CN101819081A CN200910012642A CN200910012642A CN101819081A CN 101819081 A CN101819081 A CN 101819081A CN 200910012642 A CN200910012642 A CN 200910012642A CN 200910012642 A CN200910012642 A CN 200910012642A CN 101819081 A CN101819081 A CN 101819081A
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- China
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- thimble
- armature
- leakage detector
- direct induction
- float
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Abstract
The invention discloses a direct induction type leakage detector, relates to a detector for inducing leakage, in particular to a detector capable of inducting a low-leakage height. The inducted liquid can be conducting liquid or non-conducting liquid. The detector outputs open circuit and closed circuit signals by sensing the buoyancy of the liquid through a floater so as to make alarm equipment alarm. In one embodiment of the invention, the floater drives a thimble; the thimble drives an armature to disconnect a normally closed contact and close a normally open contact; and the open circuit and closed circuit signals are output through a lead connected to the normally closed contact, the normally open contact and the armature. In the other embodiment of the invention, the floater drives a swing link; and the swing link drives the armature to disconnect the normally closed contact and close the normally open contact. The direct induction type leakage detector of the invention has a mechanical structure without an electronic element, does not consume electricity when working, has a long service life and low rate of false alarm and can detect the conducting liquid or the non-conducting liquid.
Description
Technical field
The present invention relates to a kind of sniffer of responding to leakage, is the detector that can respond to low leakage height, and the liquid of induction can be conducting liquid or non-conductive liquid.
Background technology
Leakage detector is in the market made according to the electrode detection principle, utilizes integrated circuit to convert the changes in resistance value to the current/voltage value, thereby driving warning circuit and relay change the road output alarm signal.Because integrated circuit needs uninterrupted power supply ability operate as normal, reliability depends on that the life-span of life-span of chip and external power supply also has the life-span of other internal electronic elements, the more important thing is that the mode of electrode detection can only detect the liquid of conduction, and to nonconducting liquid with ineffective, so the reliability of electric pole type leakage detector is uncertain, and can only survey the liquid of conduction.If the excessive detector rate of false alarm of electric pole type leakage detector ambient humidity can be very high.
Summary of the invention
Purpose of the present invention be exactly the reliability that exists at the electric pole type leakage detector uncertain, can only survey conducting liquid, the high deficiency of rate of false alarm when ambient humidity is big, provide a kind of direct induction type leakage detector of new construction in conjunction with market actual needs design, reach simplified structure increase the service life, adapt to multiple liquid, reduce rate of false alarm, not consumed power, can make things convenient for purpose of connecting with multiple panalarm.
The object of the present invention is achieved like this: utilize float to experience liquid buoyancy, float drives thimble or fork, drives armature by thimble or fork and realizes the disconnection of normally closed contact and the closure of normally opened contact.Respectively connect a lead on armature, normally closed interlock and the normally open contact and draw totally three leads by housing, detector is closed circuit by the outside output of these three leads, open circuit signaling makes alarm equipment alarm.
During inner the no electronic component work of the present invention not the consumed power reliable operation, the life-span is long, rate of false alarm is low, can survey conducting liquid and non-conductive liquid, and can be connected with multiple alarm is convenient, also can realize the multiple spot detection by the coupling of popping one's head in.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the longitudinal profile structural map of the embodiment of the invention one.
Fig. 2 is the longitudinal profile structural map of the embodiment of the invention two.
Piece number explanation among Fig. 1:
1, upper shell, 2, the spiral leg, 3, lower house, 4, flexible apron, 5, float, 6, thimble, 7, armature bracket, 8, the pressure spring jackscrew, 9, the normally open contact support, 10, normally open contact, 11, pressure spring, 12, support spring, 13, the normally closed interlock support, 14, armature, 15, normally closed interlock.
Piece number explanation among Fig. 2:
1, housing, 2, armature, 3, pressure spring, 4, the spring jackscrew, 5, the spiral leg, 6, normally closed interlock, 7, normally open contact, 8, locating piece, 9, support spring, 10, fork, 11, the resilient seal support, 12, float, 13, flexible apron, 14, balancing weight.
Embodiment
Embodiment one is the thimble type of drive, and in Fig. 1, upper shell (1) and lower house (3) form the shell mechanism of detector.Normally open contact support (9), normally closed interlock support (13) and the armature bracket (7) that is fixed on lower house (3) top is equipped with in the inner space of upper shell (1).Normally closed interlock (15) is fixed on the normally closed interlock support (13), and armature (14) is connected for hinge with armature bracket (7).Pressure spring jackscrew (8) vertically is installed on the top of armature bracket (7).Pressure spring jackscrew (8) makes armature (14) fixing by pressure spring (11) to the anchorage force acting in conjunction of armature (14) applied pressure and normally closed interlock (15), and armature (14) forms normally closed contact with normally closed interlock (15).Normally open contact (10) keeps fine pitch with normally open contact support (9) for hinge is connected with armature (14), and armature (14) forms normally opened contact with normally open contact (10).Thimble (6) is positioned under the armature (14), and the upper end of bottom and float (5) projection is fixing.Thimble (6) outside is equipped with support spring (12) and is used for supporting float (5) and thimble (6).Weight that three equally distributed spiral legs (2) are used for supporting detector is housed on the lower house (3) makes detector be positioned at horizontality and scalable detector height makes float (5) and ground keep minim gap.Flexible apron (4) is made for having certain flexible material, and top closely is connected the bottom with lower house (3) and contacts with ground.Respectively connect a lead on armature (14), normally closed interlock (15) and the normally open contact (10) and draw totally three leads by upper casing, detector is closed circuit by the outside output of these three leads, open circuit signaling makes alarm equipment alarm.Flexible apron (4) lower end has equally distributed osculum can enter liquid and the current that can not work the mischief to unexpected appearance play damping action and can also prevent that insect and foreign matter from entering the interference search gear operate as normal.
Float (5) liquid body buoyancy is risen when liquid enters the detector bottom by flexible apron (4), and thimble (6) moves upward with float (5) and overcomes pressure spring (11) acting force and make armature (14) break away from normally closed interlock (15), sends open circuit signaling.When liquid buoyancy strengthened, armature (14) contacted with normally open contact (10) under the acting force of thimble (6) and makes the normally opened contact closure, sends closed circuit signaling.When liquid buoyancy continues to increase, normally open contact (10) rises with armature (14) and contacts with lower house (3) hole up to float (5) upper end bossing, float (5) stops to rise, and at this moment upper shell (1) and lower house (3) form seal cavity and prevent that liquid from entering.
Embodiment two is the fork type of drive, in Fig. 2, housing (1) is equipped with float (12) in the right chamber, float (12) is connected for hinge with fork (10), fork (10) left end is equipped with balancing weight (14) and fixing by resilient seal support (11) and housing (1), and resilient seal support (11) is made for resilient material.Armature (2) and housing (1) be for hinge is connected, and spring jackscrew (4) makes armature (2) fixing by pressure spring (3) to the anchorage force acting in conjunction of armature (2) applied pressure and normally closed interlock (6), and armature (2) forms normally closed contact with normally closed interlock (6).Armature (2) keeps slight distance to form normally opened contact with normally open contact (7).Fork (10) is fixed by the acting in conjunction of support spring (9) and locating piece (8), and fork (10) left end head inserts armature (2) right-hand member cavity.Weight that three equally distributed spiral legs (5) are used for supporting detector is equipped with in housing (1) bottom makes detector be positioned at horizontality and scalable detector height makes float (12) and ground keep minim gap.Flexible apron (13) is for having certain flexible material and make top and the right cavity wall of housing (1) being fixed, and the bottom contacts with ground.Respectively connect a lead on armature (2), normally closed interlock (6) and the normally open contact (7) and draw totally three leads by housing, detector is closed circuit by the outside output of these three leads, open circuit signaling makes alarm equipment alarm.Flexible apron (13) lower end has equally distributed osculum can enter liquid and the current that can not work the mischief to unexpected appearance play damping action and can also prevent that insect and foreign matter from entering the interference search gear operate as normal.
When liquid enters the right chamber of housing (1) by flexible apron (13), the anchorage force that float (12) liquid body buoyancy rising driving pendulum rod (10) overcomes support spring (9) rotates counterclockwise, the pressure that fork (10) driving armature (2) overcomes pressure spring (3) clockwise rotates and normally closed interlock (6) disengaging, normally closed contact is disconnected, send open circuit signaling.When the liquid buoyancy increase, fork (10) drives armature (2) and contacts with normally open contact (7), makes the normally opened contact closure, sends closed circuit signaling.
Claims (7)
1. direct induction type leakage detector, two kinds of embodiments of thimble-type and oscillating rod type are arranged, it is characterized in that utilizing float to experience liquid buoyancy, float drives thimble or fork, drive armature by thimble or fork and realize the disconnection of normally closed contact and the closure of normally opened contact, realize the output of open circuit and closed circuit signaling by being connected the lead of drawing by housing on normally closed interlock, normally open contact, the armature.
2. direct induction type leakage detector according to claim 1, the thimble-type embodiment is characterized in that: the float that upper end band projection is housed in the lower house, thimble is contained on the projection of float, support spring is equipped with in the thimble outside, and support spring one end contacts the other end and contacts with the horizontal protrusion of thimble with the lower house top.
3. direct induction type leakage detector according to claim 2, the thimble-type embodiment is characterized in that: lower house closely is connected with flexible apron, and flexible apron is that resilient material is made the lower end and had equally distributed osculum; Lower house is equipped with three threaded spiral legs that evenly distribute.
4. direct induction type leakage detector according to claim 2, the thimble-type embodiment is characterized in that: normally open contact is that hinge is connected with the normally open contact support.
5. direct induction type leakage detector according to claim 1, the oscillating rod type embodiment is characterized in that: float is equipped with in the right chamber of housing, and float is that hinge is connected with fork, and the fork left end is equipped with balancing weight, the armature right-hand member has cavity, and the fork head stretches into armature right-hand member cavity.
6. direct induction type leakage detector according to claim 5, the oscillating rod type embodiment is characterized in that: the right chamber of housing closely is connected with flexible apron, and flexible apron is that resilient material is made the lower end and had equally distributed osculum; Housing bottom is equipped with three threaded spiral legs that evenly distribute.
7. direct induction type leakage detector according to claim 5, the oscillating rod type embodiment is characterized in that: the resilient seal support is that resilient material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910012642A CN101819081A (en) | 2009-07-21 | 2009-07-21 | Direct induction type leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910012642A CN101819081A (en) | 2009-07-21 | 2009-07-21 | Direct induction type leakage detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101819081A true CN101819081A (en) | 2010-09-01 |
Family
ID=42654258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910012642A Pending CN101819081A (en) | 2009-07-21 | 2009-07-21 | Direct induction type leakage detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101819081A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236043A (en) * | 2015-09-01 | 2016-01-13 | 中国十七冶集团有限公司 | Oil container provided with alarm device |
| CN105319022A (en) * | 2015-11-30 | 2016-02-10 | 国家电网公司 | Seepage detection device applied to thermal power generation heat supply unit |
| CN105352667A (en) * | 2015-11-30 | 2016-02-24 | 国家电网公司 | Pipeline top leakage detection apparatus applied to thermal power generation heat supply unit |
| CN108350971A (en) * | 2015-11-04 | 2018-07-31 | Ｋｙｂ株式会社 | Apparatus for testing weeping |
| CN111638013A (en) * | 2020-06-13 | 2020-09-08 | 鹰潭市瑞晟科技有限公司 | Micro-component air tightness detection device |
| CN112697227A (en) * | 2020-12-29 | 2021-04-23 | 深圳市科皓信息技术有限公司 | Electrode-based liquid monitoring method, liquid monitoring device and storage medium |
| CN112788903A (en) * | 2019-11-07 | 2021-05-11 | 国创新能源汽车能源与信息创新中心(江苏)有限公司 | PDU robot module, movable switching device and power divider |
-
2009
- 2009-07-21 CN CN200910012642A patent/CN101819081A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236043A (en) * | 2015-09-01 | 2016-01-13 | 中国十七冶集团有限公司 | Oil container provided with alarm device |
| CN108350971A (en) * | 2015-11-04 | 2018-07-31 | Ｋｙｂ株式会社 | Apparatus for testing weeping |
| CN105319022A (en) * | 2015-11-30 | 2016-02-10 | 国家电网公司 | Seepage detection device applied to thermal power generation heat supply unit |
| CN105352667A (en) * | 2015-11-30 | 2016-02-24 | 国家电网公司 | Pipeline top leakage detection apparatus applied to thermal power generation heat supply unit |
| CN112788903A (en) * | 2019-11-07 | 2021-05-11 | 国创新能源汽车能源与信息创新中心(江苏)有限公司 | PDU robot module, movable switching device and power divider |
| CN111638013A (en) * | 2020-06-13 | 2020-09-08 | 鹰潭市瑞晟科技有限公司 | Micro-component air tightness detection device |
| CN111638013B (en) * | 2020-06-13 | 2021-11-09 | 鹰潭市瑞晟科技有限公司 | Micro-component air tightness detection device |
| CN112697227A (en) * | 2020-12-29 | 2021-04-23 | 深圳市科皓信息技术有限公司 | Electrode-based liquid monitoring method, liquid monitoring device and storage medium |
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Open date: 20100901 |