CN104835689A - Air damping type time relay - Google Patents
Air damping type time relay Download PDFInfo
- Publication number
- CN104835689A CN104835689A CN201510258477.4A CN201510258477A CN104835689A CN 104835689 A CN104835689 A CN 104835689A CN 201510258477 A CN201510258477 A CN 201510258477A CN 104835689 A CN104835689 A CN 104835689A
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- CN
- China
- Prior art keywords
- air
- spring
- time
- time relay
- type time
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/86—Means for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
- H01H50/88—Mechanical means, e.g. dash-pot
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H7/00—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
- H01H7/02—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts with fluid timing means
- H01H7/03—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts with fluid timing means with dash-pots
Abstract
The invention relates to an air damping type time relay, which is characterized in that the relay comprises an electromagnetic mechanism, a time delay mechanism and a contact system, wherein the electromagnetic mechanism is arranged above the time delay mechanism, the contact system comprises a first microswitch and a second microswitch, the first microswitch is arranged at one side of the time delay mechanism, and the second microswitch is arranged at one side of the electromagnetic mechanism. The air damping type time delay is ingenious and compact in integral structural design, low in cost, high in reliability, long in service life, long in delay time and high in precision.
Description
Technical field
The present invention relates to a kind of relay, be specifically related to a kind of air damp type time relay, belong to control circuit structure member technical field.
Background technology
Relay is that a kind of change according to certain input signal connects or disconnects control circuit, realize the electrical equipment of control action, the input signal of relay can be the electricity such as electric current, voltage, also can be the non electrical quantities such as temperature, speed, time, pressure, and export normally contact be switched on or switched off action, relay is not generally used for directly controlling to have the main circuit of larger current, but by contactor or other electrical equipment, main circuit is controlled, the kind of relay much can be divided into control relay, protection relay according to its purposes; Instantaneous acting relay, time-delay relay can be divided into by operate time, electromagnetic type relay, induction type relay, air type relay, thermal relay box electronic relay is divided into according to operation principle, its air type relay is widely used because structure is simple, but there is following defect in air type relay general in the market, 1) only power cut off delay can be obtained, 2) delay precision is high and delay time is short, no longer than 5S; Therefore, a kind of new technical scheme of exigence solves above-mentioned technical problem.
Summary of the invention
The present invention, just for the technical problem existed in prior art, provides a kind of air damp type time relay, and this device overall construction design is ingenious, compact, and cost is lower, and reliability is high, and the life-span is long, and delay time is long, and precision is high.
To achieve these goals, technical scheme of the present invention is as follows, the air damp type time relay, it is characterized in that, described relay comprises electromagnetic mechanism, time-delay mechanism and contact system, and described electromagnetic mechanism is arranged on the top of time-delay mechanism, and described contact system comprises the first sensitive switch and the second sensitive switch, described first sensitive switch is arranged on the side of time-delay mechanism, and described second sensitive switch is arranged on the side of electromagnetic mechanism.
As a modification of the present invention, described electromagnetic mechanism comprises coil, iron core, armature, reaction spring and push pedal, described iron core is set to two " E " iron-core, two iron cores are oppositely arranged, inside is provided with coil, the both sides of described iron core are provided with reaction spring, connect push pedal below described reaction spring.
As a modification of the present invention, described time-delay mechanism comprises piston rod, lever, turriform spring, weak spring, rubber membrane, air chamber walls and piston, described piston rod is arranged in the middle of air chamber walls, described piston rod is provided with turriform spring, weak spring is provided with below described turriform spring, described rubber membrane is arranged on below weak spring, and the bottom of described piston rod connects piston.
As a modification of the present invention, described time-delay mechanism also comprises adjusting screw(rod), and described adjusting screw(rod) is arranged on the side of air chamber walls, and described adjusting screw(rod) and air chamber walls are provided with air admission hole.
As a modification of the present invention, the thickness of described rubber membrane is 5-10mm.
As a modification of the present invention, the quantity of described coil is two
Relative to prior art, advantage of the present invention is as follows: 1) overall construction design of the present invention is ingenious, and compact conformation is practical; 2) iron core in this technical scheme is set to two E core, ensure that delay time and delay precision; 3) this technical scheme life-span is long, price is low, reference time delay is wide, and is not subject to the impact of voltage and frequency fluctuation.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
In figure: 1, coil, 2, unshakable in one's determination, 3, armature, 4, reaction spring, 5, push pedal, 6, piston rod, 7, lever, 8, turriform spring, 9, weak spring, 10, rubber membrane, 11, air chamber walls, 12, piston, 13, adjusting screw(rod), 14, air admission hole, the 15, first sensitive switch, the 16, second sensitive switch.
Embodiment
In order to deepen the understanding of the present invention and understanding, below in conjunction with the drawings and specific embodiments, the invention will be further described and introduce.
embodiment 1: see Fig. 1, the air damp type time relay, described relay comprises electromagnetic mechanism, time-delay mechanism and contact system, described electromagnetic mechanism is arranged on the top of time-delay mechanism, described contact system comprises the first sensitive switch 15 and the second sensitive switch 16, described first sensitive switch 15 is arranged on the side of time-delay mechanism, described second sensitive switch 16 is arranged on the side of electromagnetic mechanism, described electromagnetic mechanism comprises coil 1, unshakable in one's determination 2, armature 3, reaction spring 4 and push pedal 5, described iron core is set to two " E " iron-core, two iron cores are oppositely arranged, inside is provided with coil 1, the both sides of described iron core are provided with reaction spring, push pedal is connected below described reaction spring.
embodiment 2: see Fig. 1, as a modification of the present invention, described time-delay mechanism comprises piston rod 6, lever 7, turriform spring 8, weak spring 9, rubber membrane 10, air chamber walls 11 and piston 12, described piston rod 6 is arranged in the middle of air chamber walls, described piston rod is provided with turriform spring 8, be provided with weak spring 9 below described turriform spring 8, described rubber membrane 10 is arranged on below weak spring 9.The bottom of described piston rod connects piston 12.All the other structures are identical with embodiment 1 with advantage.
embodiment 3: see Fig. 1, as a modification of the present invention, described time-delay mechanism also comprises adjusting screw(rod) 13, and described adjusting screw(rod) is arranged on the side of air chamber walls, and described adjusting screw(rod) 13 and air chamber walls are provided with air admission hole 14.All the other structures are identical with embodiment 1 with advantage.
embodiment 4: see Fig. 1, as a modification of the present invention, the thickness of described rubber membrane 10 is 5-10mm.All the other structures are identical with embodiment 1 with advantage.
Operation principle: see Fig. 1, a kind of air damp type time relay, primarily of electromagnetic mechanism, time-delay mechanism and contact system composition, after coil 1 is energized, armature 3 adhesive, the contact action of sensitive switch 16 compression device is without time delay, piston rod 6 is under the effect of turriform spring 8, piston rod 12 and rubber membrane 10 is driven to move up, but because below rubber membrane 10, the space of air chamber is thin, form negative pressure, therefore piston rod 6 can only move up slowly, the speed of its movement is depending on the size of air admission hole, adjust by adjusting screw(rod) 13, after certain time delay, piston rod just can move to topmost, at this moment, sensitive switch 15 is pressed by lever 7, its break contact is disconnected, make contact closes, play on-delay effect.
When coil 1 power-off, electromagnetic attraction disappears, armature 3 discharges under the effect of reaction spring 4, and push piston to lower end by piston rod 6, this is the unidirectional valve that the air below rubber membrane 10 in air chamber is formed by the shoulder of rubber membrane 10, weak spring 9 and piston 12, drain air chamber gap promptly above rubber membrane, the first sensitive switch 15 and the second sensitive switch 16 can reset rapidly, without time delay.
At least one in technical characteristic described in embodiment 2,3,4 and embodiment 1 can also be combined to form new execution mode by the present invention.
It should be noted that above-described embodiment, be not used for limiting protection scope of the present invention, equivalents done on the basis of technique scheme or the alternative scope all falling into the claims in the present invention and protect.
Claims (6)
1. the air damp type time relay, it is characterized in that, described relay comprises electromagnetic mechanism, time-delay mechanism and contact system, described electromagnetic mechanism is arranged on the top of time-delay mechanism, described contact system comprises the first sensitive switch and the second sensitive switch, described first sensitive switch is arranged on the side of time-delay mechanism, and described second sensitive switch is arranged on the side of electromagnetic mechanism.
2. the air damp type time relay according to claim 1, it is characterized in that, described electromagnetic mechanism comprises coil, iron core, armature, reaction spring and push pedal, described iron core is set to two " E " iron-core, two iron cores are oppositely arranged, inside is provided with coil, and the both sides of described iron core are provided with reaction spring, connects push pedal below described reaction spring.
3. the air damp type time relay according to claim 2, it is characterized in that, described time-delay mechanism comprises piston rod, lever, turriform spring, weak spring, rubber membrane, air chamber walls and piston, described piston rod is arranged in the middle of air chamber walls, described piston rod is provided with turriform spring, be provided with weak spring below described turriform spring, described rubber membrane is arranged on below weak spring, and the bottom of described piston rod connects piston.
4. the air damp type time relay according to claim 3, is characterized in that, described time-delay mechanism also comprises adjusting screw(rod), and described adjusting screw(rod) is arranged on the side of air chamber walls, and described adjusting screw(rod) and air chamber walls are provided with air admission hole.
5. the air damp type time relay according to claim 3 or 4, is characterized in that, the thickness of described rubber membrane is-10mm.
6. the air damp type time relay according to claim 5, is characterized in that, the quantity of described coil is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510258477.4A CN104835689A (en) | 2015-05-20 | 2015-05-20 | Air damping type time relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510258477.4A CN104835689A (en) | 2015-05-20 | 2015-05-20 | Air damping type time relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104835689A true CN104835689A (en) | 2015-08-12 |
Family
ID=53813506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510258477.4A Pending CN104835689A (en) | 2015-05-20 | 2015-05-20 | Air damping type time relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104835689A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775948A (en) * | 2015-04-08 | 2015-07-15 | 广西玉柴机器股份有限公司 | Control circuit of engine preheating device |
| CN116707365A (en) * | 2023-08-03 | 2023-09-05 | 江苏中奕和创智能科技有限公司 | Water-cooled generator set control equipment |
-
2015
- 2015-05-20 CN CN201510258477.4A patent/CN104835689A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775948A (en) * | 2015-04-08 | 2015-07-15 | 广西玉柴机器股份有限公司 | Control circuit of engine preheating device |
| CN116707365A (en) * | 2023-08-03 | 2023-09-05 | 江苏中奕和创智能科技有限公司 | Water-cooled generator set control equipment |
| CN116707365B (en) * | 2023-08-03 | 2023-10-20 | 江苏中奕和创智能科技有限公司 | Water-cooled generator set control equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150812 |