CN2752722Y

CN2752722Y - Level slope alarm instrument

Info

Publication number: CN2752722Y
Application number: CN 200420037613
Authority: CN
Inventors: 罗根胜
Original assignee: Shanghai First Iron & Steel Co Ltd Baogang Group
Current assignee: Shanghai First Iron & Steel Co Ltd Baogang Group
Priority date: 2004-07-15
Filing date: 2004-07-15
Publication date: 2006-01-18
Anticipated expiration: 2014-07-15

Abstract

The utility model relates to a horizontally-inclined alarm meter, which comprises an alarm control circuit arranged in a shell body, and a light-emitting component and a photoelectric induction component which are connected with the alarm control circuit in an electric connection mode, wherein an inverted conical body is arranged in the shell body; the bottom end of the inverted conical body is provided with a through hole; the angle of the conical surface of the inverted conical body and the horizontal surface is the arranged horizontally-inclined alarm angle; a steel ball is arranged on the through hole arranged on the bottom end of the inverted conical body of the shell body to block the through hole; the light-emitting component is arranged in the shell body arranged on the upper part of the through hole in the shell body; the photoelectric induction component is arranged in the shell body arranged on the lower part of the through hole in the shell body. When the horizontal-inclined angle of the equipment is smaller than or equal to a horizontal angle alpha of the inverted conical body, the steel ball blocks the through hole, light signals can not be received and no alarm signal is output. When the horizontally-inclined angle of the equipment is larger than the alpha, the steel ball rolls away from the through hole, the receiving end can receive light signals emitted by the transmission end, the light signals are converted in a photoelectric conversion mode, the alarm circuit timely emits alarm signals to remind operation staff to stop work conditions and timely eliminate dangers, thereby, the utility model guarantees the safety of operation.

Description

A kind of horizontal tilt alarm

Technical field

The utility model relates to a kind of safety alarm device that is assemblied on those fixing or mobile devices that may cause major accident because of the horizontal tilt angle above predetermined value, specifically, relates to a kind of horizontal tilt alarm.

Background technology

The storage equipment of the flammable and explosive substance of fixed placement when tilting as the cap transition of gas chamber top, can cause gas leak and accidents caused; The steamer handling goods when goods is stacked substantial deviation center, center, can cause the shipwreck accident; Lifting in the work, lifting, excavating equipment when ground tilt to surpass when requiring, can cause machine to turn over major accidents such as the people dies and take place.Particular user under above-mentioned different work, distinct device, the different service condition all can propose different specific requirements respectively to the horizontal tilt degree of guaranteeing device security according to corresponding national standards, industry standard or company standard.But, a kind of horizontal tilt degree requirement that can propose according to the user does not appear on the market so far as yet, to equipment real standard degree of tilt in case the safety device of in time reporting to the police when surpassing required value.

The utility model content

When the technical problems to be solved in the utility model provides a kind of horizontal tilt angle that occurs when monitored high-risk equipment greater than user's requirement value, in time send the horizontal tilt alarm of alerting signal.

For this reason, the utility model adopts following technical scheme:

A kind of horizontal tilt alarm comprises alarm control circuit that is arranged in the housing and luminescent device and the optoelectronic induction device that is electrically connected with it; Housing, in be provided with a back taper body, this reverse taper bottom has open-work; The conical surface of back taper body and horizontal sextant angle are the horizontal tilt warning angle of setting; Steel ball is arranged on the open-work of housing reverse taper bottom, blocks open-work; Luminescent device is arranged in the housing of open-work top in the housing; The optoelectronic induction device is arranged in the housing of open-work below in the housing, receives the light signal that luminescent device sends, and makes the alarm control circuit conducting, sends alerting signal.

Wherein, described alarm control circuit comprises optical trigger, photoelectric switching circuit, amplifying circuit, time-base integrated circuit, final stage amplifying circuit, warning circuit; The light signal that the luminescent device of photoelectric switching circuit reception transtation mission circuit sends converts electric signal to, exports amplifying circuit to; After amplifying, the signal that amplifying circuit comes photoelectric switching circuit delivers to time-base integrated circuit; Integrated circuit will make the final stage amplifying circuit by saturated by transferring to from the signal paraphase of amplifying circuit, be sent to warning circuit and send alerting signal.

After adopting above-mentioned measure, the horizontal tilt alarm is fixed on any smooth surface level of detected equipment, based on the terrestrial gravitation principle, when the equipment level angle of inclination is less than or equal to α, steel ball blocks open-work all the time, receiving port does not receive the light signal that light source sends, and optoelectronic induction device BG1 does not have electric signal output, and alarm appliance can not send alerting signal yet; In case and the equipment level angle of inclination is greater than α, steel ball along inclined direction rolls immediately from open-work, and the optoelectronic induction device receiving port of open-work below receives the light signal that light source sends, and promptly exports electric signal, causes that alarm appliance sends alerting signal.At this moment, the operator of detected equipment should stop operating mode immediately, and take the improvement measure, is that the horizontal tilt of equipment returns to normal condition, avoids the generation of peril.

Description of drawings

Fig. 1 is a structure cut-open view of the present utility model.

Fig. 2 is the utility model warning circuit schematic diagram.

Fig. 3 is an alarm appliance circuit diagram of the present utility model.

Embodiment

Referring to Fig. 1, Fig. 2, horizontal tilt alarm of the present utility model comprises alarm control circuit 2 that is arranged in the housing 1 and luminescent device 3 and the optoelectronic induction device 4 that is electrically connected with it; Be provided with a back taper body 10 in the housing 1, these reverse taper 10 bottoms have open-work 101; The conical surface of back taper body 10 and horizontal sextant angle α are the horizontal tilt warning angle of setting; Steel ball 5 is arranged on the open-work 101 of housing 1 reverse taper 10 bottoms, blocks open-work; Luminescent device 3 is arranged in the housing of open-work 101 tops in the housing 1; Optoelectronic induction device 4 is arranged in the housing of open-work 101 belows in the housing 1, receives the light signal that luminescent device 3 sends, and makes alarm control circuit 2 conductings, sends alerting signal.

Wherein, described alarm control circuit 2 comprises transtation mission circuit 21, photoelectric switching circuit 22, amplifying circuit 23, time-base integrated circuit 24, final stage amplifying circuit 25, relay 26; The light signal that the luminescent device 3 that photoelectric switching circuit 22 receives transtation mission circuit 21 sends converts electric signal to, exports amplifying circuit 23 to; Deliver to time-base integrated circuit 24 after the signal amplification of amplifying circuit 23 with photoelectric switching circuit 22; Integrated circuit 24 will make final stage amplifying circuit 25 by saturated by transferring to from the signal paraphase of amplifying circuit 23, and relay 26 (J) adhesive makes warning circuit 27 work at last, sends chimes of doom and wigwag.

As seen from the figure, when housing 1 baseplane was horizontal, under the terrestrial gravitation effect, steel ball 5 steadily blocked open-work 101, made light path cut-out between luminescent device 3 and the optoelectronic induction device 4; And after the angle of housing 1 baseplane and surface level is spent greater than 0, housing 1 begins to tilt, no matter the concrete direction that tilts how, steel ball 5 all can have the trend of along inclined direction rolling, yet, since open-work 101 around with horizontal sextant angle be the inverted cone surface of α, as long as the slanted angle of housing bottom surface and surface level is less than or equal to α, under the prevention of inverted cone surface, steel ball can not leave open-work 101 all the time; But, in case housing 1 degree of tilt is during greater than α, mean direction in run-off the straight, the angle of inverted cone surface and surface level is the negative value less than 0 degree, under gravitational effect, steel ball 5 will certainly along inclined direction roll automatically from saturating empty 101, makes conducting light paths between luminescent device 3 and the optoelectronic induction device 4.

See Fig. 2, Fig. 3 again, it is depicted as alarm control circuit schematic diagram of the present utility model and warning circuit figure.WY is a dc power supply, through resistance R 2 current limlitings and make luminescent device 3 (light emitting diode D1) luminous, constitutes the transtation mission circuit 21 of light, and obviously it is in the long state of opening.Photoelectric switching circuit 22 is as signal receiving circuit, the function of optoelectronic induction device 4 (photosensitive tube BG1) is to finish the photosignal conversion, its output terminal links to each other with the triode BG2 base stage of amplifying circuit 23, triode BG2 emitter links to each other with triode BG3 base stage by resistance R 5, triode BG3 links to each other with the input end of time-base integrated circuit 24 (NE555 integrated package), the output terminal of integrated circuit 24 links to each other with the triode BG4 base stage of final stage amplifying circuit 25, triode BG4 collector and relay 26 polyphones.

Warning circuit 27 comprises relay 26 (J) and alarm lamp DP and electric bell DL and relay Z and button AN in parallel.

In conjunction with Fig. 1, Fig. 2, following two kinds of situations are arranged:

First kind of situation: when the angle of inclination of housing 1 baseplane and surface level during smaller or equal to α, steel ball 5 blocks open-work 101 all the time, optoelectronic induction device 4 (triode BG1) does not receive the light signal that luminescent device 3 (light emitting diode D1) sends, this moment, triode BG1 did not have electric signal output, triode BG2, BG3, BG4 all are in by situation, relay 26 (J) is in and disconnects the position, the output of alarm no signal.

Second kind of situation, when the angle of inclination of housing 1 baseplane and surface level during greater than α, steel ball 2 rolls from open-work 101, triode BG1 after receiving the light signal that luminescent device 3 (light emitting diode D1) sends, the output electric signal, trigger triode BG3 after amplifier tube BG2 amplifies, a point current potential reduces, and after the paraphase, b point current potential is raise, make triode BG4 by saturated through resistance R 8 and D2, thereby make relay 26 (J) adhesive by transferring to.

Referring again to Fig. 3, after relay 26 (J) adhesive, light warning bulb DP simultaneously and the electric bell DL that sounds, at this moment, also can press the button AN, relay Z gets electric adhesive, with electric bell DL series relay normally closed contact z ₁Open, close electric bell DL.Simultaneously, normally opened contact z under the button AN ₂Closed realization self-insurance.Have only when angle of inclination during less than α, steel ball 5 just can be rolled back and be blocked open-work 101, reports to the police and finishes.

Claims

1. a horizontal tilt alarm comprises alarm control circuit that is arranged in the housing and luminescent device and the optoelectronic induction device that is electrically connected with it; It is characterized in that:

Housing, in be provided with a back taper body, this reverse taper bottom has open-work; The conical surface of back taper body and horizontal sextant angle are the horizontal tilt warning angle of setting;

Steel ball is arranged on the open-work of housing reverse taper bottom, blocks open-work;

Luminescent device is arranged in the housing of open-work top in the housing;

The optoelectronic induction device is arranged in the housing of open-work below in the housing, receives the light signal that luminescent device sends, and makes the alarm control circuit conducting, sends alerting signal.

2. horizontal tilt alarm according to claim 1 is characterized in that: described alarm control circuit comprises trigger circuit, photoelectric switching circuit, amplifying circuit, time-base integrated circuit, final stage amplifying circuit, warning circuit; Photoelectric switching circuit receives the light signal that the luminescent device in the transtation mission circuit sends, and converts electric signal to, exports amplifying circuit to; After amplifying, the signal that amplifying circuit comes photoelectric switching circuit delivers to time-base integrated circuit; Integrated operational amplifier circuit will make the final stage amplifying circuit by saturated by transferring to from the signal paraphase of amplifying circuit, be sent to warning circuit and send alerting signal.

3. horizontal tilt alarm according to claim 1 is characterized in that: described warning circuit comprises relay and alarm appliance and electric bell and switch and button in parallel.

4. horizontal tilt alarm according to claim 1 is characterized in that: described luminescent device is a high brightness LED.

5. horizontal tilt alarm according to claim 3 is characterized in that: described alarm appliance is an alarm lamp.