CN207149487U - Relay switch - Google Patents

Abstract

The utility model discloses a relay switch belongs to electronic control technical field. The utility model provides a relay switch, which comprises a first conductive terminal and a second conductive terminal which are connected with an external power supply, a shell, a connecting piece, an armature, an electromagnetic coil and an elastic component, wherein the shell comprises a shell body and an inclined plane type key; the inclined plane type key is arranged in the shell; one end of the coil of the electromagnetic coil is connected with the live wire and one end of the electrical appliance, the other end of the coil of the electromagnetic coil is connected with the other end of the electrical appliance, and the second conductive terminal is arranged on the circuit; the first conductive terminal is connected with the zero line; the function that the electrical appliance is also turned off after power failure is realized, and unnecessary economic loss and energy waste are reduced.

Description

A kind of relay switch

Technical field

It the utility model is related to technical field of electronic control, more particularly to a kind of relay switch.

Background technology

At present, power switch is a part essential in the daily production and living of people, electric light, electric fan, shop equipment Deng being both provided with switching on electrical appliance.After these electrical appliances are connected into external power source, it can be opened by the button on switch Switch so that electrical appliance is initially powered up work, or by the button closing switch on switch, makes the use being in energization work Appliance cut-off is stopped.

For example, during the Dormitory management of school, for using electricity wisely, allow students to form good work and rest and practise It is used, it will usually to power off on time at night, cut off external power source so that dormitory is turned off the light on time, and next day restores electricity.Due to previous evening Because passive light-off often makes student forget or be reluctant active closing switch, the switch of electric light is in opening in dormitory, causes Electric light keeps the working condition being not needed when next day restores electricity too early, influence student sleep, while cause it is unnecessary Economic loss and energy waste.However, it is existing switch mainly by button cap, back-moving spring, fixed contact, moving contact, Shell and pillar connecting rod etc. form, and can make open circuit as just one, make current interruptions or it is flowed to other circuits Electronic component, have no when power is off its own can breaking inner circuit with the function of closing switch.

Chinese utility model patent, publication number：101118811, publication date：On 2 6th, 2008, disclose one kind and be used for The relay switch of toaster, it includes shell, the first conduction to be electrical connected with external power source and on shell Terminal and the second conducting terminal, the magnet coil located at the outer casing bottom, on the relay switch and with the magnet coil The armature being engaged, the connection machine for being electrically connected with second conducting terminal with the first conducting terminal separably electrically to coordinate Structure, the transmission mechanism and resetting-mechanism being movably connected with the armature, wherein after the magnet coil dead electricity, the resetting-mechanism can Cut off and be electrically connected between the bindiny mechanism and the first conducting terminal, so that the bracket in toaster is stuck or upspring not It can automatically cut off the external power source in place but during timer normal work.However, the relay switch is applied on toaster, Can not be directly as the switch of the electrical appliances such as electric light, in other words, the relay switch is applied on the electrical appliances such as electric light, Wu Fashi Now when power is off its own can breaking inner circuit with the function of closing switch, can still cause unnecessary economic loss and Energy waste.

Utility model content

1. utility model technical problems to be solved

Switch cause after powering again electrical appliance again in opening after a loss of power for the electrical appliance of prior art Work triggers the problem of work and rest puzzlement and energy waste, and the utility model provides a kind of relay switch, realizes that electrical appliance exists The function of itself also being simultaneously closed off after power-off, meet human demand, and reduce unnecessary economic loss and energy waste.

2. technical scheme

To solve the above problems, technical scheme provided by the utility model is：

A kind of relay switch, it includes being used for the first conducting terminal and the second conducting terminal being connected with external power source, It also include shell, connector, armature, comprising magnet coil and elastic parts, wherein, shell includes housing and ramp type and pressed Key；Ramp type button is installed on enclosure interior；Coil one end connection live wire of magnet coil and electrical appliance one end, magnet coil The coil other end connection electrical appliance other end, the second conducting terminal is on this circuit；First conducting terminal is connected with zero line；

Armature top side separates with the first conducting terminal and the second conducting terminal and matched, and armature top opposite side passes through First connector is connected with the top of ramp type button；The bottom that armature bottom side passes through the second connector and ramp type button Connection, armature bottom opposite side are connected by the 3rd connector magnet coil；

Elastic parts both ends connect the affixed side of armature bottom and magnet coil respectively.

Preferably, armature respectively with the first connector, the second connector is vertical is fixedly connected, it is and vertical with the 3rd connector Connection.

Preferably, armature bottom and one end of the 3rd connector are rotatably connected.3rd connector is used as lever so that opens Armature when upper and lower button is closed to swing with the 3rd connector.

Preferably, the affixed side of magnet coil is vertical with magnet coil, the 3rd connector, elastic parts respectively fixed connects Connect.

Preferably, described elastic parts is spring, and the spring is located at the lower section of the 3rd connector.Spring ensure that bullet Power so that in the case that armature obtains electric and dead electricity with magnet coil.

Preferably, the 3rd connector is located at the lower section of magnet coil.The leverage of the 3rd connector has been effectively ensured.

Preferably, described connector is insulated connecting piece.So that connector does not interfere with connecing for magnet coil and armature Touch.

It is a kind of including relay switch described above, in addition to transformer, wherein, transformer side both ends and electromagnetic wire Turn coil both ends are connected, and transformer opposite side both ends connect live wire and electrical appliance respectively.

Preferably, in addition to rectifier, wherein, the electric current after transformer rectification is connected to magnet coil by rectifier.

3. beneficial effect

Using technical scheme provided by the utility model, compared with prior art, have the advantages that：

(1) the utility model effectively avoids the control place that powered in students' dormitory area etc., because of service restoration, electrical appliance Rework and adversely affected to caused by the daily work and rest of the mankind；

(1) repacking of the utility model to electromagnetic relay circuit, a " electric transducer " is designed, reaches one kind and passes through Parallel circuit the ingenious mobility for making good use of armature, passes through armature master come a kind of switching effect to draw oneself up with other circuits It is dynamic, passive to change to meet the needs of under different situations；

(2) the utility model split in the case where not changing the original volume of switch with power action effect can put row into Improve；Cost is low, using electricity wisely, can be widely used in the similar works such as timing, the electric light for dormitory of powering, desk lamp, electric fan Make circuit, using electricity wisely, " earth one hour " is changed into universal from special；

(3) the utility model can be with the big machine of the operations such as laboratory, workshop, and being improved by this can be effective Ground reduces momentary power failure, the mutation of instantaneous power damages to caused by circuit.

Brief description of the drawings

Fig. 1 is the structural representation of embodiment 1 of the present utility model；

Fig. 2 is the structural representation of embodiment 2 of the present utility model.

Label declaration in schematic diagram：

1st, the first conducting terminal；2nd, the second conducting terminal；3rd, shell；4th, connector；401st, the first connector；402nd, second Connector；403rd, the 3rd connector；5th, armature；6th, magnet coil；7th, electrical appliance；8th, elastic parts；9th, rectifier；10th, transformation Device.

Embodiment

To further appreciate that content of the present utility model, the utility model is described in detail with reference to drawings and Examples.

Embodiment 1

Such as Fig. 1, this programme utilizes electromagnetic relay operation principle, and magnet coil 6 is done into access and electricity consumption after safe handling In the circuit in parallel of device 7, when power is off, electrical appliance 7 is stopped, and magnet coil 6 is also because lose magnetism so that closing originally Circuit disconnect, so as to when powering next day circuit be not turned on and avoid the unnecessary work of electrical appliance.Magnet coil 6 can be with Transformed using electromagnetic relay.

Specific scheme

A kind of relay switch, it includes being used for the first conducting terminal 1 and the second conducting terminal being connected with external power source 2, it also include shell 3, connector 4, armature 5, comprising magnet coil 6 and elastic parts 8, wherein, shell 3 include housing and Ramp type button；Ramp type button is installed on enclosure interior；The coil one end connection live wire and electrical appliance 7 one of magnet coil 6 End, the coil other end connection other end of electrical appliance 7 of magnet coil 6, the second conducting terminal 2 is on this circuit；First conducting end Son 1 is connected with zero line；

The top side of armature 5 separates with the first conducting terminal 1 and the second conducting terminal 2 and matched, the top opposite side of armature 5 It is connected by the first connector 401 with the top of ramp type button；The bottom side of armature 5 passes through the second connector 402 and inclined-plane The bottom connection of formula button, the bottom opposite side of armature 5 are connected by the magnet coil 6 of the 3rd connector 403；The both ends of elastic parts 8 The affixed side of armature bottom and magnet coil 6 is connected respectively.

Armature 5 respectively with the first connector 401, the second connector 402 is vertical is fixedly connected, and with the 3rd connector 403 Vertical connection.The bottom of armature 5 and one end of the 3rd connector 403 are rotatably connected.

The affixed side of magnet coil 6 respectively with magnet coil 6, the 3rd connector 403, elastic parts 8 is vertical is fixedly connected.

Described elastic parts 8 is spring, and the spring is located at the lower section of the 3rd connector 403.3rd connector 403 is located at The lower section of magnet coil 6.Described connector 4 can be insulated connecting piece.

Wait when in use

Normal use

1) by switch ramp type button, the first connector pressure armature 5 is tilted so that the He of the first conducting terminal 1 The conducting terminal 1 of second conducting terminal 2 first and the second conducting terminal 2 turn on, and armature 5 makes circuit connect (now spring elongation production Raw elastic force), electrical appliance 7 works, and the electromagnet of magnet coil 6 produces magnetic force and is more than spring force, holds armature 6 so that circuit Keep path, the normal work of electrical appliance 7；

2) lower switch ramp type button is pressed, the second connector compressing armature 5 shakes off electromagnet magnetic force so that circuit disconnects, and uses Electrical equipment is stopped.

Outage situation

Electromagnet loses magnetism, and now spring force causes the resilience of armature 5, the first conducting terminal 1 and the second conducting terminal 2 First conducting terminal 1 and the second conducting terminal 2 are disconnected, now Circuit Interrupt, and switch dome is returned off-state by connector so that In the case of not influenceed by external force, even if restoring electricity, circuit is still off, and electrical appliance can not work.When closed The power needed needs to shake off electromagnet suction, so elastic force will meet this condition, it is necessary in view of connecting during switch housing design The placement of fitting, i.e., appropriate extension spring end armature length make connector tie point mobile to fulcrum distal end, meet lever original Reason so that eased during use.

This programme, using the repacking to electromagnetic relay circuit, it is connected in parallel on electrical appliance on same power supply, reach The effect of " electric transducer ", accomplish that power-off is i.e. breaking, concrete operating principle, method, effect have illustrated above.In view of switch Shell, shell is set to be connected with two positions of armature come such that regardless of being that external force acts on, also by the connectors of two insulation The completion that being powered off snap switch can be passively or actively operates accordingly.

Embodiment 2

The problems such as in view of the price of the pressure-failure protector volume caused with switch repacking, use, electromagnetism can be selected This traditional, more easy device of relay is reequiped.And in fig. 2, selection is using DC relay, it is necessary to by height Pressure direct current is changed into low-voltage DC, then with the addition of two elements --- transformer 10 and rectifier 9.The side of transformer 10 Both ends are connected with the coil both ends of magnet coil 6, and transformer opposite side both ends connect live wire and electrical appliance 7 respectively, and rectifier 9 will Electric current after the rectification of transformer 10 is connected to magnet coil 6.

Direct current is connect on circuit or AC relay is feasible, only because model is different, difference will also be made to circuit Change, the 12V DC relays of Fig. 2 circuits signal need decompression, rectification (addition transformer and rectifier element), in other words 12V AC relays need individually to add transformer pressure-reducing on its circuit.

Energy, energy waste estimation

Because sampling is scattered, sample individual is approx considered as sample dormitory：

A.78.71% dormitory is 23:00 light-off, 6.93% are 22:30 light-offs, 2.97% are 22:45 light-offs, 11.39% 23:15 turn off the light, the time of turning off the light averagely to get off be every night 22 points 20 seconds 58 minutes.

B.81.19% dormitory is 6:00 restores electricity, 7.43% 5:00 power supply, 3.96% are 5:30 power supplies, 7.43% 6:30 power supplies, averagely get off in 5 points of power supplies in 15 seconds 52 minutes of every morning.

C. after powering off, the people for having 16.34% can never turn off the light, and 48.02% people remembers to turn off the light once in a while, 35.64% People can often remember to turn off the light.If frequent scope between 60%-80%, scope once in a while between 20%-40%, So being averaged has 60.647% people to forget to turn off the light.

D. second day people for being ready to turn off the light has 28.71%, and the people for pass of being unwilling to leave the bed has 71.29%.

E. the next morning, there is 3.96% people 5:30-6:00 gets up, and has 13.37% people 6:00-6:30 Bed, there is 32.67% people 6:30-7:00 gets up, and has 50% people 7:00-7:30 are got up, and median is taken to each section Calculated, averagely get off get up the time for 6 points 18 seconds 43 minutes.

The above-mentioned data of comprehensive analysis, after restoring electricity in the morning to people get up actively turn off the light this section when a length of 51 minutes 03 second.

The dormitory for thening there is about 45% has that unnecessary lamp is bright 51 minutes this phenomenons.

Energy, energy waste estimation

By taking a colleges and universities as an example, number of student is 30000 people, occupies 4 individual calculus with each dormitory, then between 7500 It is to be provided with lamp 51 minutes between having 3400 in dormitory.Using dormitory use 2 long-tube fluorescent lamps power as 40W, balcony lamp with 20W is calculated, then wastes nearly 283.3 degree of electricity daily, then 1 year to actually use number of days as 300 days then equivalent to waste 84990 degree of electricity, with reference to my school dormitory electricity charge of the expenses standard less than the Jiangsu Province civilian electricity charge --- 0.5483 yuan/ Degree, equivalent to 49659.6 yuan of RMB, can support the development of the nearly 15-30 province in the school, the big wound project of school level emphasis completely, Bring benefit that is higher, more having sight.From the point of view of taking a broad view national universities, this electricity charge only saved by dormitory electric light Reach one hundred million, including wherein dormitory desk lamp, electric fan and classroom, laboratory electric energy loss do not account for also.

And proposed at present by WWF, all parts of the world response " earth one hour " (annual March last Individual Saturday) in activity, turning off the light turns into core action for one hour, and the utility model can be easily by this activity " normality Change ".

And in terms of energy resource consumption and discharge, this part power consumption has burnt 30 tons of coals more equivalent to, at the same time also produces 78600kg carbon dioxide is given birth to, 255kg sulfur dioxide, 216kg nitrogen oxides, these materials are atmosphere pollution, the master of light pollution Pollutant is wanted, the problems such as directly results in greenhouse effects, acid rain.30 tons of coals have burnt more in one colleges and universities, then in national 2000 institutes The colleges and universities for having accommodation electricity usage regulations will burn 60000 tons of coals more, can fill 1200 section railway carriages, and the atmosphere pollution discharged Thing also will be countless.

Only optimal estimation is got this respect data from the electric light problem of students' dormitory, then if the whole nation is all The part that universities, middle and primary schools, the lamp of factory and enterprise unit, electric fan, machine etc. do not consider is all included in, the energy thus saved and Fire coal is avoided to bring the total amount of pollutant emission will be very huge！

Design the experimental data of plant energy consumption

As shown in table 1, three kinds of relays have been selected, it is specific as follows that data are surveyed in experiment：

Table 1

Relay model	Connect voltage/V	Institute is through electric current/A	Power/W	Remarks
					12V DC	6	0.04	0.24	With reference to power<0.9W
12V AC	6	--	--	It is about 0.9W with reference to power
					220V AC	--	--	--	With reference to power 1.2W

Design installation cost analysis

For common non-brand switchs price on the market at present, in the section of 6-13 members, consider on the market The electromagnetic relay price bought is 3.9 yuan, and when directly using 220V AC relays, its cost is opened with price with existing Pass is consistent substantially.

If use the more low DC relay of power, then need to add transformer and rectifier, with stock Made transformer out, rectifier cost ideal are calculated as 5-6 members, then totle drilling cost it is controllable 10-11 members this compared with can be In the range of receiving！It is limited to author's level, if improved to some extent in AD-DC on the basis of this, then sold in DC relay switch It can reach price identical with existing switch in terms of valency.

In summary, this programme is not on the basis of cost is increased, it is possible to prevente effectively from electricity loss, using electricity wisely, more Add environmental protection, save.

Schematically the utility model and embodiments thereof are described above, this describes no restricted, accompanying drawing Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So if this area Those of ordinary skill enlightened by it, do not depart from the utility model create objective in the case of, without creativeness design The frame mode similar to the technical scheme and embodiment, the scope of protection of the utility model all should be belonged to.

Claims (9)

1. a kind of relay switch, it includes being used for the first conducting terminal (1) and the second conducting terminal being connected with external power source (2), it is characterised in that also including shell (3), connector (4), armature (5), magnet coil (6) and elastic parts (8), its In, shell (3) includes housing and ramp type button；Ramp type button is installed on enclosure interior；Coil one end of magnet coil (6) Live wire and electrical appliance (7) one end are connected, coil other end connection electrical appliance (7) other end of magnet coil (6), second is conductive Terminal (2) is on this circuit；First conducting terminal (1) is connected with zero line；

Armature (5) top side separates with the first conducting terminal (1) and the second conducting terminal (2) and matched, and armature (5) top is another Side is connected by the first connector (401) with the top of ramp type button；Armature (5) bottom side passes through the second connector (402) bottom with ramp type button is connected, and armature (5) bottom opposite side is connected by the 3rd connector (403) magnet coil (6) Connect；

Elastic parts (8) both ends connect the affixed side of armature bottom (12) and magnet coil (6) respectively.

2. relay switch according to claim 1, it is characterised in that armature (5) respectively with the first connector (401), Second connector (402) is vertically fixedly connected, and with the 3rd connector (403) vertical connection.

3. relay switch according to claim 2, it is characterised in that armature (5) bottom and the 3rd connector (403) One end is rotatably connected.

4. relay switch according to claim 2, it is characterised in that the affixed side of magnet coil (6) respectively with electromagnetism Coil (6), the 3rd connector (403), elastic parts (8) are vertically fixedly connected.

5. relay switch according to claim 1 or 2, it is characterised in that described elastic parts (8) is spring, should Spring is located at the lower section of the 3rd connector (403).

6. relay switch according to claim 1 or 2, it is characterised in that the 3rd connector (403) is located at magnet coil (6) lower section.

7. relay switch according to claim 1, it is characterised in that described connector (4) is insulated connecting piece.

8. according to the relay switch described in claim 1,2,3,4 or 7, it is characterised in that also including transformer (10), its In, transformer (10) side both ends are connected with magnet coil (6) coil both ends, and transformer opposite side both ends connect live wire respectively With electrical appliance (7).

9. relay switch according to claim 8, it is characterised in that also including rectifier (9), wherein, rectifier (9) Electric current after transformer (10) rectification is connected to magnet coil (6).