CN105118368A - Electromagnetic relay vibration demonstration device - Google Patents
Electromagnetic relay vibration demonstration device Download PDFInfo
- Publication number
- CN105118368A CN105118368A CN201510427957.9A CN201510427957A CN105118368A CN 105118368 A CN105118368 A CN 105118368A CN 201510427957 A CN201510427957 A CN 201510427957A CN 105118368 A CN105118368 A CN 105118368A
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- China
- Prior art keywords
- spring
- electromagnet
- electromagnetic relay
- base
- contact block
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- 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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Abstract
The invention discloses an electromagnetic relay vibration demonstration device, which comprises a base, an ejector rod, a spring, an armature, a moving contact block, an electromagnet A, a supporting rod, a control circuit and an operating circuit, wherein the supporting rod is vertically installed at the upper end of the base, the ejector rod is movably connected with the supporting rod through a hinge pin, the spring is arranged between the base and the ejector rod, and the moving contact block is arranged at an extension section of the ejector rod. The electromagnetic relay vibration demonstration device is characterized in that the operating circuit comprises an operating power supply, static contact blocks and an electromagnet B, the operating power supply, the static contact blocks and the electromagnet B form a series circuit, a demonstration board is further provided with a lifting hook, a vibration spring is suspended below the lifting hook, the lower end of the vibration spring is provided with an iron vibrator, the vibration spring and the vibrator form a spring vibrator, and the demonstration board is provided with a display panel used for displaying movements of the spring vibrator. The electromagnetic relay vibration demonstration device can display the movement process of the spring vibrator, is visual and vivid, and can improve learning interests and operation abilities of students.
Description
Technical field
The invention belongs to instructional technology field, particularly relate to a kind of electromagnetic relay vibration demonstration device.
Background technology
Electromagnetic relay is a kind of
electronic control device, it has
control system(also known as
input circuit) and quilt
control system(also known as
output loop), be usually applied to
automatic control circuitin, it is actually with less
electric current, lower
voltagego control larger
electric current, higher
voltageone "
automatic switch".Therefore
circuitin play
automatic adjustment,
safeguard protection,
change-over circuitdeng
effect.At present in teaching Process of experiment, in time lecturing electromagnetic relay principle, because the structure of electromagnetic relay is comparatively complicated, have simultaneously and do not have special application demonstration equipment, thus students is understood to get up to compare effort, is difficult to skillfully grasp this knowledge point.The reasonable school of some teaching facilities, adopts multimedia courseware, although can show the principle of work of electromagnetic relay dynamically, cannot show the actual performance of electromagnetic relay.We generally also need the process of showing simple harmonic motion when imparting knowledge to students simultaneously, and the process of simple harmonic motion shown by imagination electromagnetic relay of the present invention, kills two birds with one stone, and improves the learning interest of student.
Summary of the invention
The present invention, in order to overcome deficiency of the prior art, provides a kind of electromagnetic relay vibration demonstration device.
The present invention is achieved through the following technical solutions:
A kind of electromagnetic relay vibration demonstration device, comprise base, push rod, spring, armature, dynamic contact block, electromagnet A, support bar, control circuit, operating circuit, described support bar is vertically mounted on the upper end of base, described push rod is flexibly connected with support bar by bearing pin, between described spring pedestal and push rod, dynamic contact block is arranged on the extension of push rod, armature is arranged on the lower end of push rod and relative with electromagnet A, described control circuit comprises control power supply and gauge tap, described operating circuit comprises working power, stationary contact block, electromagnet B, and working power, stationary contact block, electromagnet B forms a series loop, demonstration board is also provided with suspension hook, vibrating spring is hung with under described suspension hook, the oscillator of irony is provided with in described vibrating spring lower end, vibrating spring and oscillator form a spring oscillator, and the display board be provided with on demonstration board for showing spring oscillator motion.
Further, described display board is magnetic display board.
Further, described electromagnet A is arranged on base, and control power supply, gauge tap, electromagnet A form a series loop.
Further, described control power supply and working power are direct supply, and the voltage of direct supply is at below 36V, ensure the life safety in experimentation.
Compared with prior art, the invention has the beneficial effects as follows: structure of the present invention is simple, reasonable in design, when gauge tap closes, operating circuit conducting, now electromagnet B produces magnetic, attracts oscillator down to move, after disconnecting gauge tap, oscillator does simple harmonic motion under the effect of vibrating spring, display board can show the motion process of spring oscillator, visual pattern, can improve learning interest and the manipulative ability of student.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1-base; 2-push rod; 3-spring; 4-armature; 5-moves contact block; 6-electromagnet A; 7-support bar; 8-stationary contact block; 9-bearing pin; 10-controls power supply; 11-gauge tap; 12-working power; 13-pilot lamp; 14-electromagnet B; 15-suspension hook; 16-vibrating spring; 17-oscillator; 18-display board.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is structural representation of the present invention.
A kind of electromagnetic relay vibration demonstration device that described the present embodiment provides, comprises base 1, push rod 2, spring 3, armature 4, dynamic contact block 5, electromagnet A6, support bar 7, control circuit, operating circuit, described support bar 7 is vertically mounted on the upper end of base 1, described push rod 2 is flexibly connected with support bar 7 by bearing pin 9, between described spring 3 base 1 and push rod 2, dynamic contact block 5 is arranged on the extension of push rod 2, armature 4 is arranged on the lower end of push rod 2 and relative with electromagnet A6, and described control circuit comprises and controls power supply 10 and gauge tap 11, and described operating circuit comprises working power 12, stationary contact block 8, pilot lamp 13, electromagnet B14, and working power 12, stationary contact block 8, pilot lamp 13, electromagnet B14 forms a series loop, demonstration board is also provided with suspension hook 15, vibrating spring 16 is hung with 15 times at described suspension hook, the oscillator 17 of irony is provided with in described vibrating spring 16 lower end, vibrating spring 16 and oscillator 17 form a spring oscillator, and the display board 18 be provided with on demonstration board for showing spring oscillator motion, described display board 18 is magnetic display board.
When experimental teaching, connect control circuit and operating circuit.Closed control switch 11, now, control circuit conducting, electromagnet A6 produces magnetic, and armature 4 is inhaled by electromagnet A6, and dynamic contact block 5 contacts with two stationary contact blocks 8, at this moment spring 3 is elongated, observe operating circuit to be switched on, now pilot lamp 13 is luminous, and now electromagnet B14 produces magnetic, oscillator 17 is attracted down to move, after disconnecting gauge tap 11, oscillator does simple harmonic motion under the effect of vibrating spring 16, and display board 18 can show the motion process of spring oscillator.Disconnect gauge tap 11, electromagnet A6 loses magnetism, and has no attraction to armature 4, and armature 4 gets back to original position under the pulling force effect of spring 3, and dynamic contact block 5 separates with stationary contact block 8, and operating circuit is cut off.
In the present embodiment, described control power supply 10 and working power 12 are direct supply, and the voltage of direct supply is at below 36V, ensure the life safety in experimentation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. an electromagnetic relay vibration demonstration device, comprise demonstration board, described demonstration board is provided with base (1), push rod (2), spring (3), armature (4), dynamic contact block (5), electromagnet A(6), support bar (7), control circuit, operating circuit, described support bar (7) is vertically mounted on the upper end of base (1), described push rod (2) is flexibly connected with support bar (7) by bearing pin (9), between described spring (3) base (1) and push rod (2), dynamic contact block (5) is arranged on the extension of push rod (2), armature (4) be arranged on push rod (2) lower end and with electromagnet A(6) relative, it is characterized in that: described control circuit comprises control power supply (10) and gauge tap (11), described operating circuit comprises working power (12), stationary contact block (8), electromagnet B(14), and working power (12), stationary contact block (8), electromagnet B(14) form a series loop, demonstration board is also provided with suspension hook (15), vibrating spring (16) is hung with under described suspension hook (15), the oscillator (17) of irony is provided with in described vibrating spring (16) lower end, vibrating spring (16) and oscillator (17) form a spring oscillator, and the display board (18) be provided with on demonstration board for showing spring oscillator motion.
2. a kind of electromagnetic relay vibration demonstration device according to claim 1, is characterized in that: described display board (18) is magnetic display board.
3. a kind of electromagnetic relay vibration demonstration device according to claim 1, is characterized in that: described electromagnet A(6) be arranged on base (1), and control power supply (10), gauge tap (11), electromagnet A(6) form a series loop.
4. a kind of electromagnetic relay vibration demonstration device according to claim 3, is characterized in that: described control power supply (10) and working power (12) are direct supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427957.9A CN105118368A (en) | 2015-07-21 | 2015-07-21 | Electromagnetic relay vibration demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510427957.9A CN105118368A (en) | 2015-07-21 | 2015-07-21 | Electromagnetic relay vibration demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105118368A true CN105118368A (en) | 2015-12-02 |
Family
ID=54666332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510427957.9A Pending CN105118368A (en) | 2015-07-21 | 2015-07-21 | Electromagnetic relay vibration demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105118368A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110930832A (en) * | 2019-12-11 | 2020-03-27 | 中国矿业大学 | Free vibration experimental device |
Citations (8)
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|---|---|---|---|---|
| CN87208136U (en) * | 1987-05-15 | 1988-02-03 | 王沙陵 | Switch type safety box for electric appliance |
| CN1485805A (en) * | 2003-08-29 | 2004-03-31 | 清华大学 | Forced vibration demonstration experiment instrument |
| CN2840236Y (en) * | 2005-10-24 | 2006-11-22 | 赵腾 | Spring drum harmonic oscillation demonstrating instrument |
| CN1956025A (en) * | 2005-10-24 | 2007-05-02 | 赵腾 | Spring simple harmonic oscillation demonstrator |
| CN201142160Y (en) * | 2008-01-09 | 2008-10-29 | 邢磊 | Electromagnetic relay teaching model |
| KR20100023087A (en) * | 2008-08-21 | 2010-03-04 | 박정일 | A method to induce resonance force on simple pendulum of simple harmonic motion by using repulsive force of electro-magnet |
| CN202008765U (en) * | 2011-04-21 | 2011-10-12 | 林之铠 | Device for demonstrating trajectory of horizontal projectile motion |
| CN202710129U (en) * | 2012-08-10 | 2013-01-30 | 张天雨 | Water level alarm |
-
2015
- 2015-07-21 CN CN201510427957.9A patent/CN105118368A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208136U (en) * | 1987-05-15 | 1988-02-03 | 王沙陵 | Switch type safety box for electric appliance |
| CN1485805A (en) * | 2003-08-29 | 2004-03-31 | 清华大学 | Forced vibration demonstration experiment instrument |
| CN2840236Y (en) * | 2005-10-24 | 2006-11-22 | 赵腾 | Spring drum harmonic oscillation demonstrating instrument |
| CN1956025A (en) * | 2005-10-24 | 2007-05-02 | 赵腾 | Spring simple harmonic oscillation demonstrator |
| CN201142160Y (en) * | 2008-01-09 | 2008-10-29 | 邢磊 | Electromagnetic relay teaching model |
| KR20100023087A (en) * | 2008-08-21 | 2010-03-04 | 박정일 | A method to induce resonance force on simple pendulum of simple harmonic motion by using repulsive force of electro-magnet |
| CN202008765U (en) * | 2011-04-21 | 2011-10-12 | 林之铠 | Device for demonstrating trajectory of horizontal projectile motion |
| CN202710129U (en) * | 2012-08-10 | 2013-01-30 | 张天雨 | Water level alarm |
Non-Patent Citations (1)
| Title |
|---|
| 刘贵兴 等: ""用磁钢演示振动实验 "", 《物理实验》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110930832A (en) * | 2019-12-11 | 2020-03-27 | 中国矿业大学 | Free vibration experimental device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |
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| RJ01 | Rejection of invention patent application after publication |