CN105977103A

CN105977103A - Relay switch apparatus and relay thereof

Info

Publication number: CN105977103A
Application number: CN201610454173.XA
Authority: CN
Inventors: 何敬银; 王为; 高杉; 李林鹏; 高娟; 崔连涛
Original assignee: QINGDAO VOCATIONAL TECHNOLOGY COLLEGE
Current assignee: QINGDAO VOCATIONAL TECHNOLOGY COLLEGE; Qingdao Technical College
Priority date: 2016-06-22
Filing date: 2016-06-22
Publication date: 2016-09-28
Anticipated expiration: 2036-06-22
Also published as: CN105977103B

Abstract

The present invention provides a relay switch apparatus and a relay thereof. The switch apparatus includes a housing, a binding post I and a binding post II, a sucker, a spring execution mechanism, and a magnetic conductive sheet. The binding post I and the binding post II are respectively disposed on two opposite sides of the housing. The sucker is connected with one end of the binding post I extending into the housing and is internally provided with an electromagnetic coil. The spring execution mechanism is disposed in the housing and is connected with the binding post II. The magnetic conductive sheet is disposed at the active end of the spring execution mechanism and is matched with the sucker. The relay includes a power supply, a single chip, a current detector, a current stabilizer, and a switch apparatus. The current detector is connected between a power supply output end and the single chip. The current stabilizer is connected between the output end of the single chip and the input end of the switch apparatus. The mechanical switch based on the electromagnetism principle has a simple mechanical structure, is convenient to use, and has low cost. The relay based on the switch apparatus has stable performance, is safe and reliable, and has low cost.

Description

A kind of relay switch apparatus and relay thereof

Technical field

The invention belongs to relay technical field, be specifically related to a kind of relay switch apparatus and relay thereof.

Background technology

In recent ten years, the development of the aspect such as the especially space flight of China's electronic product, national defence, communication is swift and violent, the matter to components and parts Amount and reliability have had higher requirement.Single-chip microcomputer control delay relay as a kind of components and parts high to time control accuracy, Must have higher application reliability, the needs of space flight, national defence could be met.Existing monolithic processor controlled time-delay relay master Want that there are the following problems: existing time-delay relay is due to the use of too much electronic component so that Single-chip Controlling is accurate not, right Relay functional reliability also exists impact；User is difficult to control the length of delay time according to self-demand；Use electrical switch Add electronic device, unstable properties, also increase cost.

Summary of the invention

The invention provides a kind of relay switch apparatus and relay thereof, mechanical switch based on electricity magnetisation principle, machinery knot Structure is simple, easy to use, with low cost, and relay performance based on this switching device is stable, safe and reliable, low cost.

A kind of relay switch apparatus that the present invention provides, including shell, binding post I He being respectively provided with on the biphase opposite of shell Binding post II, stretches into, at binding post I, the inside that enclosure one end connects and has the sucker of solenoid, be arranged on enclosure The spring acuator being connected with binding post II, is arranged on the magnetic guide card that spring acuator movable end coordinates with sucker.Two connect After terminal energising, suction cup interior solenoid, by electricity magnetisation, forms magnetic field, produces the gravitation to magnetic guide card, and magnetic guide card exists Delivered at sucker by spring acuator and sucker adhesive under graviational interaction, thus realize the purpose of switching means into conduction.

Further, described spring acuator includes head rod, extension spring, the second connecting rod, limiting stand, memory spring, Described head rod is one end open, the other end hollow structure that be connected fixing with binding post II；Described extension spring is positioned at first even Extension bar inner chamber, its one end is fixing with binding post II to be connected；Described second connecting rod is interspersed in head rod inner chamber, one end with draw Spring is fixing to be connected, and the other end stretches out head rod and is positioned at the second connecting rod as spring acuator movable end, described limiting stand It is connected end side surface with extension spring；Described memory spring is set in outside the second connecting rod being positioned within head rod.Purely mechanical Structure has assisted sucker, magnetic guide card two contact adhesive and disconnection.

Further, described binding post I and binding post II are positioned at one end of housing exterior and are all installed with connecting ring, it is simple to wire Connect.

Further, described outer casing inner wall is provided with rubber insulation, and whole switching device is played insulation protection effect.

Preferably, described magnetic guide card is irony guide card.Irony guide card material is cheap, is widely used, is easy to get.

A kind of relay using described switching device, including power supply, single-chip microcomputer, power supply provides required for the work of whole relay Running voltage, electric current, single-chip microcomputer, as the core control part of relay, assigns relay time delay command in good time.

On the basis of existing technology, also make following improvement: also include amperometric, electric current flow straightener, switching device, Described amperometric is connected between power output end and single-chip microcomputer input, and described electric current flow straightener is connected to single-chip microcomputer output Between end and switching device input.Switching device is as actuator, it is achieved the break-make of relay.Amperometric and electric current Single-chip microcomputer input current is detected by flow straightener, and single-chip microcomputer output electric current is carried out current stabilization, improves Single-chip Controlling precision, Strengthen the stability of relay work.

Further, described relay also includes the intervalometer being connected with single-chip microcomputer input, it is possible to is timed as required and sets Put, by the length of Single-chip Controlling time, reach the purpose of delays time to control.

Further, described electric current flow straightener has current stabilization circuit.

Beneficial effects of the present invention: mechanical switch device, by electricity magnetisation, sucker suction magnetic guide card reaches switch conduction Purpose, absorption is stable, and switch is convenient, with low cost；Single-chip microcomputer control delay relay, is provided with intervalometer, it is possible to according to Needs are timed, and by the length of Single-chip Controlling time, have reached the purpose of delays time to control；It is provided with amperometric and electricity The electric current of input can be detected by stream flow straightener, and the electric current of output is more stable so that relay stability is greatly improved； Reached use less electronic component, cost-effective while, be also greatly improved the target of relay job stability.

Accompanying drawing explanation

Fig. 1 is switching device structure schematic diagram,

Fig. 2 is relay circuit structural principle block diagram,

Fig. 3 is the current stabilization circuit figure of electric current flow straightener.

Accompanying drawing marks:

1, power supply, 2, single-chip microcomputer, 3, switching device, 4, amperometric, 5, electric current flow straightener.

301, shell, 302, binding post I, 303, binding post II, 304, solenoid, 305, sucker, 306, irony Guide card, 307, head rod, 308, extension spring, the 309, second connecting rod, 310, limiting stand, 311, memory spring, 312, Connecting ring, 313, connecting ring, 314, rubber insulation.

Detailed description of the invention

In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, to this Bright it is further elaborated.Should be appreciated that specific embodiment described herein is used only for explaining the present invention, it is impossible to reason Solve the restriction for protection domain concrete to the present invention.

Embodiment

With reference to Fig. 1, switching device includes shell 301, the binding post I 302 that is respectively provided with at 301 liang of opposite faces of shell, wiring Post II 303, stretches into, at binding post I 302, the inside that inside shell 301, one end connects and has the sucker 305 of solenoid 304, It is arranged on the internal spring acuator being connected with binding post II 303 of shell 301, is arranged on spring acuator movable end and suction The magnetic guide card that dish 305 coordinates, described magnetic guide card uses irony guide card 306.

Described spring acuator includes head rod 307, extension spring the 308, second connecting rod 309, limiting stand 310, memory Spring 311, described head rod 307 is one end open, the other end hollow structure that be connected fixing with binding post II 303；Institute Stating extension spring 308 and be positioned at head rod 307 inner chamber, its one end is fixing with binding post II 308 to be connected；Described second connecting rod 309 Being interspersed in head rod 307 inner chamber, one end is fixing with extension spring 308 to be connected, and the other end stretches out head rod 307 as bullet Spring actuator movable end, described limiting stand 310 is positioned at the second connecting rod 309 and is connected end side surface with extension spring 308；Described memory Spring 311 is set in the second connecting rod 309 outside being positioned within head rod 307.

Described binding post I 302 and binding post II 303 are positioned at the one end outside shell 301 and are all installed with connecting ring 312,313.

Described shell 301 inwall is provided with rubber insulation 314.

With reference to Fig. 2, the present embodiment uses the relay of described switching device to include power supply 1, single-chip microcomputer 2, switching device 3, electricity Current sensor 4, electric current flow straightener 5, intervalometer 6, described amperometric 4 is connected to power supply 1 outfan and single-chip microcomputer 2 is defeated Entering between end, described electric current flow straightener 5 is connected between single-chip microcomputer 2 outfan and switching device 3 input, described intervalometer 6 are connected with single-chip microcomputer 2 input.

The current stabilization circuit of described electric current flow straightener 5 sees Fig. 3.

During work, by wire, two binding posts I 302 of switching device 3, binding post II 303 are connected with electric current flow straightener 5, Relay carries out delay parameter setting according to specific needs, and time delay sign on is sent to intervalometer 6 by single-chip microcomputer 2 to be carried out determining Time, after having performed the actual time delay time, single-chip microcomputer 2 is passed in timing END instruction by intervalometer 6, and single-chip microcomputer 2 controls switch 3 liang of binding posts I 302 of device, binding post II 303 are energized, and produce magnetic field, sucker 305 near the solenoid 304 of sucker 305 Attract irony guide card 306 displacement, memory spring 311 deformation, thus sucker 305 is pulled together with irony guide card 306, opens Close conducting.When two binding posts I 302, binding post II 303 power-off, under the restoring force of extension spring 308, the second connecting rod 309 Bounce back to initial position, sucker 305 and irony guide card 306 separately, switch off.

Claims

1. a relay switch apparatus, including shell, it is characterised in that: be additionally included in that shell two opposite face is respectively provided with connects Terminal I and binding post II, stretch into, at binding post I, the inside that enclosure one end connects and have the sucker of solenoid, be arranged on The spring acuator that enclosure is connected with binding post II, is arranged on the magnetic that spring acuator movable end coordinates with sucker and leads Sheet.

Relay switch apparatus the most according to claim 1, it is characterised in that: described spring acuator includes first even Extension bar, extension spring, the second connecting rod, limiting stand, memory spring, described head rod is one end open, the other end and wiring The fixing hollow structure connected of post II；Described extension spring is positioned at head rod inner chamber, and its one end is fixing with binding post II to be connected；Institute Stating the second connecting rod and be interspersed in head rod inner chamber, one end is fixing with extension spring to be connected, and the other end stretches out head rod as bullet Spring actuator movable end, described limiting stand is positioned at the second connecting rod and is connected end side surface with extension spring；Described memory spring is sheathed in place Outside the second connecting rod within head rod.

Relay switch apparatus the most according to claim 1, it is characterised in that: described binding post I and binding post II are positioned at One end of housing exterior is all installed with connecting ring.

Relay switch apparatus the most according to claim 1, it is characterised in that: described outer casing inner wall is provided with rubber insulation.

Relay switch apparatus the most according to claim 1, it is characterised in that: described magnetic guide card is irony guide card.

6. use a relay for switching device described in claim 1, including power supply, single-chip microcomputer, it is characterised in that: also Including amperometric, electric current flow straightener, switching device, described amperometric is connected to power output end and single-chip microcomputer input Between end, described electric current flow straightener is connected between single-chip microcomputer outfan and switching device input.

Relay the most according to claim 6, it is characterised in that: described relay also includes being connected with single-chip microcomputer input Intervalometer.

Relay the most according to claim 6, it is characterised in that: described electric current flow straightener has current stabilization circuit.