CN105428160A - Electromagnetic automatic time control device and control method - Google Patents
Electromagnetic automatic time control device and control method Download PDFInfo
- Publication number
- CN105428160A CN105428160A CN201510974979.7A CN201510974979A CN105428160A CN 105428160 A CN105428160 A CN 105428160A CN 201510974979 A CN201510974979 A CN 201510974979A CN 105428160 A CN105428160 A CN 105428160A
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- CN
- China
- Prior art keywords
- sensitive switch
- piston rod
- contact
- armature
- piston
- 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
Abstract
The invention relates to an electromagnetic automatic time control device and a control method. A direct-current electromagnetic time control device is utilized at present; and after coils are electrified or powered off, contacts of the coils are unreliable in motion when moving again after a certain period of time delay, and are long in delay time. The electromagnetic automatic time control device comprises an upper armature (2), wherein grooves are formed in the upper armature; coils (1) are arranged in the grooves; the lower parts of the coils are arranged in the grooves of a lower armature (3); a support seat (5) is arranged at the lower part of the lower armature; springs A (4) are arranged at the upper part of the support seat; a piston rod (6) is arranged at the lower part of the support seat; a spring B (8) sleeves the upper end of the outside of the piston rod; a lever (7) is arranged at one side of the piston rod; a weak spring (9) sleeves the outside of the lower part of the piston rod; and a piston (12) is arranged on the lower end surface of the piston rod. The control method is applied to the direct-current electromagnetic time control device.
Description
technical field:
the present invention relates to a kind of electromagnetic type time automatic control equipment and control method.
background technology:
current use electromagnetic type time automatic control equipment, after coil electricity or power-off, through certain time-delay, action action is unreliable again in its contact, and delay time is long.In power supply circuits, divide from the power requirement drive wire bag operating voltage of driving time relay work, general relay divides AC relay and direct current relay, be respectively used to alternating current circuit and DC circuit, be used on different control circuits, another diacritical point of the time relay is its contact, also has the difference that contact is how many in addition, the difference of great operating voltage and electric current can be controlled, select for different purposes, special contact is with self-locking in addition in addition, and kind such as band time delay adhesive or time delay release function etc., in particular cases.
summary of the invention:
the object of this invention is to provide a kind of electromagnetic type time automatic control equipment and control method.
above-mentioned object is realized by following technical scheme:
a kind of electromagnetic type time automatic control equipment, its composition comprises: upper armature, described upper armature has groove, in described groove, coil is installed, be arranged on below described coil in the groove of lower armature, below described lower armature, bearing is housed, above described bearing, spring is installed, below described bearing, piston rod is installed, described piston rod outer upper ends cover has spring, described piston rod side is provided with lever, and described piston rod lower outer cover has weak spring, and described piston-rod lower end face is provided with piston.
described electromagnetic type time automatic control equipment, described piston rod outside is provided with upper bracket, is connected below described upper bracket with base, and described base side has hole, is provided with adjustment screw in described hole.
described electromagnetic type time automatic control equipment, described base middle part has groove, and described groove, built with described piston, described chassis interior baseplane is provided with rubber membrane, described rubber membrane has groove, has described piston to pass in described groove.
described electromagnetic type time automatic control equipment, sensitive switch A is installed above described bearing, described sensitive switch A has 4 contacts, and described sensitive switch A has cylinder contact, and the cylinder position of described cylinder contact protrudes from described sensitive switch A lower plane.
described electromagnetic type time automatic control equipment, sensitive switch B is installed below described lever, described sensitive switch B has 4 contacts, and described sensitive switch B has cylinder contact, and described cylinder contact cylinder position protrudes from described sensitive switch B lower plane.
a kind of electromagnetic type time automatic control equipment and control method, the method comprises the steps:
first be when after coil electricity, armature adhesive, its contact action of sensitive switch pressurized is without time delay, piston rod is under the effect of turriform spring, piston and rubber membrane is driven to move up, but due to the rarefaction of air of air chamber below rubber membrane, form negative pressure, therefore piston rod can only move up lentamente, the speed of its movement is depending on the size of air admission hole, adjust by adjusting screw(rod), after certain time delay, described piston rod just can move to topmost, at this moment sensitive switch is pressed by lever, its normally closed interlock is disconnected, normally open contact closes, play on-delay effect,
when described coil blackout, electromagnetic attraction disappears, described armature discharges under the effect of reaction spring, and push described piston to lower end by described piston rod, at this moment the air below rubber membrane in air chamber is by described rubber membrane, the unidirectional valve that weak spring and piston shoulder are formed, drain air chamber gap promptly above described rubber membrane, described sensitive switch A, sensitive switch B can reset rapidly, without time delay, after sucking coil energising, the action immediately of its snap action contact, its delayed contact is through certain time-delay action again, after sucking coil power-off, all contacts reset immediately, when after sucking coil power-off, its snap action contact resets immediately, its delayed contact resets through certain time-delay again.
beneficial effect:
1. the time relay of the present invention is when after sucking coil energising or power-off, its contact is through the DC electromagnetic type time-controlling arrangement of certain time-delay action again, there is structure simple, easy for installation, cost is low, the advantages such as dependable performance, possess that reference time delay is wide, precision is high, volume is little, reliable operation simultaneously.
the present invention is when after coil electricity, armature adhesive, its contact action of sensitive switch pressurized is without time delay, piston rod, under the effect of turriform spring, drives piston and rubber membrane to move up, but due to the rarefaction of air of air chamber below rubber membrane, form negative pressure, therefore piston rod can only move up lentamente, and the speed of its movement, depending on the size of air admission hole, adjusts by adjusting screw(rod).
the present invention is after certain time delay, and described piston rod just can move to topmost, at this moment presses sensitive switch by lever, its normally closed interlock is disconnected, and normally open contact closes, and plays on-delay effect.
the present invention is when described coil blackout, electromagnetic attraction disappears, described armature discharges under the effect of reaction spring, and push described piston to lower end by described piston rod, at this moment the unidirectional valve that the air below rubber membrane in air chamber is formed by described rubber membrane, weak spring and piston shoulder, drain air chamber gap promptly above described rubber membrane, described sensitive switch A, sensitive switch B can reset rapidly, without time delay.
after sucking coil energising of the present invention, the action immediately of its snap action contact, its delayed contact is through certain time-delay action again, after sucking coil power-off, all contacts reset immediately, when after sucking coil power-off, its snap action contact resets immediately, and its delayed contact resets through certain time-delay again
6. the advantages such as structure of the present invention is simple, reliable, the life-span is long, has practicality, durability, easy to operate, safe and reliable.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present invention.
embodiment:
embodiment 1:
a kind of electromagnetic type time automatic control equipment, its composition comprises: upper armature 2, described upper armature has groove, coil 1 is installed in described groove, be arranged in the groove of lower armature 3 below described coil, bearing 5 is housed below described lower armature, spring 4 is installed above described bearing, piston rod 6 is installed below described bearing, described piston rod outer upper ends cover has spring 8, described piston rod side is provided with lever 7, and described piston rod lower outer cover has weak spring 9, and described piston-rod lower end face is provided with piston 12.
embodiment 2:
electromagnetic type time automatic control equipment according to embodiment 1, described piston rod outside is provided with upper bracket 11, is connected below described upper bracket with base 14, and described base side has hole, is provided with adjustment screw 13 in described hole.
embodiment 3:
electromagnetic type time automatic control equipment according to embodiment 1, described base middle part has groove, described groove is built with described piston, described chassis interior baseplane is provided with rubber membrane 10, described rubber membrane has groove, has described piston to pass in described groove.
embodiment 4:
electromagnetic type time automatic control equipment according to embodiment 1, sensitive switch A16 is installed above described bearing, described sensitive switch A has 4 contacts, described sensitive switch A has cylinder contact, and the cylinder position of described cylinder contact protrudes from described sensitive switch A lower plane.
embodiment 5:
electromagnetic type time automatic control equipment according to embodiment 1, sensitive switch B15 is installed below described lever, described sensitive switch B has 4 contacts, and described sensitive switch B has cylinder contact, and described cylinder contact cylinder position protrudes from described sensitive switch B lower plane.
embodiment 6:
a kind of control method of electromagnetic type time automatic control equipment, the method comprises the steps: it is first when after coil electricity, armature adhesive, its contact action of sensitive switch pressurized is without time delay, piston rod is under the effect of turriform spring, piston and rubber membrane is driven to move up, but due to the rarefaction of air of air chamber below rubber membrane, form negative pressure, therefore piston rod can only move up lentamente, the speed of its movement is depending on the size of air admission hole, adjust by adjusting screw(rod), after certain time delay, described piston rod just can move to topmost, at this moment sensitive switch is pressed by lever, its normally closed interlock is disconnected, normally open contact closes, play on-delay effect,
when described coil blackout, electromagnetic attraction disappears, described armature discharges under the effect of reaction spring, and push described piston to lower end by described piston rod, at this moment the air below rubber membrane in air chamber is by described rubber membrane, the unidirectional valve that weak spring and piston shoulder are formed, drain air chamber gap promptly above described rubber membrane, described sensitive switch A, sensitive switch B can reset rapidly, without time delay, after sucking coil energising, the action immediately of its snap action contact, its delayed contact is through certain time-delay action again, after sucking coil power-off, all contacts reset immediately, when after sucking coil power-off, its snap action contact resets immediately, its delayed contact resets through certain time-delay again.
Claims (6)
1. an electromagnetic type time automatic control equipment, its composition comprises: upper armature, it is characterized in that: described upper armature has groove, in described groove, coil is installed, be arranged on below described coil in the groove of lower armature, below described lower armature, bearing is housed, above described bearing, spring is installed, below described bearing, piston rod is installed, described piston rod outer upper ends cover has spring, described piston rod side is provided with lever, and described piston rod lower outer cover has weak spring, and described piston-rod lower end face is provided with piston.
2. electromagnetic type time automatic control equipment according to claim 1, is characterized in that: described piston rod outside is provided with upper bracket, is connected below described upper bracket with base, and described base side has hole, is provided with adjustment screw in described hole.
3. electromagnetic type time automatic control equipment according to claim 2, it is characterized in that: described base middle part has groove, described groove is built with described piston, described chassis interior baseplane is provided with rubber membrane, described rubber membrane has groove, has described piston to pass in described groove.
4. electromagnetic type time automatic control equipment according to claim 1, it is characterized in that: sensitive switch A is installed above described bearing, described sensitive switch A has 4 contacts, described sensitive switch A has cylinder contact, and the cylinder position of described cylinder contact protrudes from described sensitive switch A lower plane.
5. electromagnetic type time automatic control equipment according to claim 1, it is characterized in that: sensitive switch B is installed below described lever, described sensitive switch B has 4 contacts, described sensitive switch B has cylinder contact, and described cylinder contact cylinder position protrudes from described sensitive switch B lower plane.
6. one kind utilizes the control method of the electromagnetic type time automatic control equipment described in claim 1-5, it is characterized in that: the method comprises the steps: it is first when after coil electricity, armature adhesive, its contact action of sensitive switch pressurized is without time delay, piston rod is under the effect of turriform spring, piston and rubber membrane is driven to move up, but due to the rarefaction of air of air chamber below rubber membrane, form negative pressure, therefore piston rod can only move up lentamente, the speed of its movement is depending on the size of air admission hole, adjust by adjusting screw(rod), after certain time delay, described piston rod just can move to topmost, at this moment sensitive switch is pressed by lever, its normally closed interlock is disconnected, normally open contact closes, play on-delay effect,
When described coil blackout, electromagnetic attraction disappears, described armature discharges under the effect of reaction spring, and push described piston to lower end by described piston rod, at this moment the air below rubber membrane in air chamber is by described rubber membrane, the unidirectional valve that weak spring and piston shoulder are formed, drain air chamber gap promptly above described rubber membrane, described sensitive switch A, sensitive switch B can reset rapidly, without time delay, after sucking coil energising, the action immediately of its snap action contact, its delayed contact is through certain time-delay action again, after sucking coil power-off, all contacts reset immediately, when after sucking coil power-off, its snap action contact resets immediately, its delayed contact resets through certain time-delay again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974979.7A CN105428160A (en) | 2015-12-23 | 2015-12-23 | Electromagnetic automatic time control device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974979.7A CN105428160A (en) | 2015-12-23 | 2015-12-23 | Electromagnetic automatic time control device and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105428160A true CN105428160A (en) | 2016-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510974979.7A Pending CN105428160A (en) | 2015-12-23 | 2015-12-23 | Electromagnetic automatic time control device and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105428160A (en) |
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2015
- 2015-12-23 CN CN201510974979.7A patent/CN105428160A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160323 |