CN202578745U

CN202578745U - Passenger car toilet

Info

Publication number: CN202578745U
Application number: CN 201220207365
Authority: CN
Inventors: 谷保健; 刘德成; 景旭东
Original assignee: Yongcheng Coal and Electricity Holding Group Co Ltd
Current assignee: Yongcheng Coal and Electricity Holding Group Co Ltd
Priority date: 2012-05-10
Filing date: 2012-05-10
Publication date: 2012-12-05
Anticipated expiration: 2022-05-10

Abstract

The utility model relates to a passenger car toilet which is arranged at a step area at the back door of the passenger car and provided with a push-and-pull inner wall, a top, a hidden urinal, an upper guide rail and a lower guide rail. A fixed support rod and a movable support rod are arranged between the two guide rails, a screen cloth is connected between the two support rods, and an electric or manual traction mechanism is arranged on the movable support rod. Space on the upper portion of the step area at the back door of the passenger car is fully used, inner space of the passenger car can be saved, more seats can be arranged, passenger carrying rate and economic benefits can be improved, the existing structure of the passenger car is not changed, only the parts such as lower guide rails, the movable support rod and the screen cloth are additionally arranged onto the existing passenger car, the structure is simple, the installation is convenient, the operation and utilization are easy, the using effect is good, and popularization and implementation are facilitated.

Description

Contactless air duct sensor

Technical field

The utility model relates to a kind of mine safety device, is specifically related to a kind of contactless air duct sensor.

Background technology

In the roadway work progress of colliery; The general booster that adopts carries out air feed to driving face; For guaranteeing that booster runs well; Satisfy the production needs of driving face, " safety regulations in coal mine " stipulates that clearly driving face must carry out " two blower fans, dual power supply, automatic switchover ".I have all realized " two blower fans, dual power supply, automatic switchover " at all driving faces of nationality in the colliery, and the electromechanical equipment start-stop sensor that the service behavior to booster detects has been installed.

Yet; In production practices, but find to shut down or when situation such as air duct disconnection occurring when a typhoon machine wherein breaks down; Because underground air is moist, temperature is higher, mechanical air duct sensor easy ageing with get rusty, switch blocks bullet not easily; Make monitoring system still show and normally can not correctly reflect the working condition of booster.And the electromechanical equipment start-stop sensor of safety monitoring system can only whether detection effect be played in power supply in proper working order to active and standby ventilation fan, and breaking down of blower fan shut down or can't detect when situation such as air duct disconnection occurring.Therefore, solving the problem of the real-time effective monitoring of monitoring booster, is further to improve the safety monitoring monitoring system, ensures the important behave of mine safety.

The exercisable index of monitoring booster working condition is exactly the normal air feed of air duct, if can prove that this booster duty is normal apart near the normal air feed situation that detects air duct the air duct air outlet.Because underground air is moist, temperature is higher, mechanical air duct sensor easy ageing with get rusty, switch blocks bullet not easily, makes the air feed situation that can not feed back booster timely and effectively in real time.

Summary of the invention

The utility model is to existing air duct sensor existing problems; Provide a kind of and can better adapt to subsurface environment; The situation that mechanical switch gets rusty, blocks need not be considered, and the contactless air duct sensor of local ventilation working condition and air duct air feed situation can be effectively fed back accurately, in real time.

Technical scheme: a kind of contactless air duct sensor, comprise fixed support and travel(l)ing rest, both upper ends are hinged through bearing pin; Solid welding has upper backup pad on the fixed support; Be fixed with lower supporting plate on the travel(l)ing rest, two gripper shoe end faces over against, the downside of upper backup pad is fixed with dry reed switch; The upside of lower supporting plate is fixed with magnet, and the passive contact signal of dry reed switch output supplies the collection of downhole monitoring substation.

Upper backup pad is inverted " L " type.

The upside of upper backup pad is provided with fixing hole.

Beneficial effect: contactless air duct sensor on this ore deposit booster with the contrast that makes an experiment of mechanical type air duct sensor.Find that through overtesting contactless air duct sensor not only is well positioned to meet production requirement, and solved that mechanical type air duct sensor mechanical switch gets rusty, switch blocks situation such as bullet does not get up easily; And in process of the test; Operations such as artificial outage, the work of termination blower fan all can normally show, can accurately and timely the blower fan service behavior be monitored in real time; And the signal transmission is rapider, sensitive, and central station can effectively be gathered air duct sensor feedback data in real time.

Description of drawings

Figure l is the contactless air duct sensor construction of a utility model sketch map;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the vertical view of Fig. 1;

Fig. 4 is the three-dimensional reference view of Fig. 1.

Label 1 is a upper backup pad among the figure, and 2 is dry reed switch, and 3 is magnet, and 4 is lower supporting plate, and 5 is fixed support, and 6 is travel(l)ing rest, and 7 is bearing pin, and 8 is fixing hole.

The specific embodiment

Embodiment one: referring to Fig. 1-Fig. 4, this contactless air duct sensor comprises fixed support 5 and travel(l)ing rest 6, and both upper ends are hinged through bearing pin 7.Solid welding has upper backup pad 1 on the fixed support 5, is inverted " L " type; Be fixed with on the travel(l)ing rest 6 lower supporting plate 4, two gripper shoe end faces over against.The downside of upper backup pad 1 is fixed with dry reed switch 2, and the upside of lower supporting plate 4 is fixed with magnet 3, and the passive contact signal of dry reed switch 2 outputs supplies the collection of downhole monitoring substation.The upside of upper backup pad 1 is provided with fixing hole 8.Iron plate or the angle bar of fixed support 5 usefulness 1.5mm are made; Specification: length * wide * height=300mm * 20mm * 150mm; Travel(l)ing rest processes (also can simply process with the support that mechanical sensor is scrapped and transform) with the reinforcing bar of diameter 10mm, and switch is selected the explosion-proof type dry reed switch.

When air quantity is sufficient in the Where topical ventilation fan air duct (recessed contracting when bulging was calm when air duct had wind); The travel(l)ing rest of air duct sensing switch launches; The magnet that promotes dry reed switch upwards stretches, and makes dry reed switch move, and the passive contact signal of output supplies the collection of downhole monitoring substation after the switch motion.The signal of outstation collection is delivered to front end processor through transmission cable, gets into central station, and central station can be grasped the air duct air feed situation of booster in real time, cooperates the start-stop sensor, comprehensive blower fan is monitored.Can effectively reduce security incident little because of air quantity in the air duct, that leaking out appears in air duct or booster breaks down and causes.

Concrete steps:

1, opens protected against explosion dry reed switch shell; Select suitable contact form (constant open contact or constant close contact) to connect firm and insert on the type switching value wiring terminal of downhole monitoring substation contact with line; The close shell of dry reed switch, then the travel(l)ing rest of air duct sensor is articulated to the air duct of booster outside, under the sufficient situation of the air quantity of air duct; Regulate the position of air duct sensor dry reed switch magnet, make it to be in reliable position with dry reed switch.Simultaneously also air velocity transducer can be installed in air duct, carry out combined monitoring.

2, central station setting: switching value, air duct; The air duct state: 1. red display is calm, and promptly the dry reed switch state is " constant open contact ", and central station shows calm, and the expression air duct does not have air quantity or deficiency in draught; 2. green shows wind, and promptly the dry reed switch state is " constant close contact ", and central station shows wind, and the expression air duct has wind and air quantity abundance.

Principle is set: dry reed switch not closed (when being the calm or deficiency in draught state of air duct) is set, remains at normally open; Only when dry reed switch is closed (when air duct has air quantity and air quantity abundance), dry reed switch just is in normally off; As long as the air duct air quantity has a bit not enough a little, dry reed switch is in normally open at once, and central station just shows calm, has improved the sensitivity of switch; And can realize power down function to driving face, and promptly when dry reed switch is in normally open, represent the calm or deficiency in draught of air duct, monitoring and controlling system cuts off the power supply to driving face, has guaranteed the reliability of monitoring and controlling system.Also solve simultaneously the problem that mechanical type air duct sensor exists, the air duct sensor has been carried out good optimization, more made full use of the travel(l)ing rest of discarded mechanical type air duct sensor, saved the fund expense.

Claims

1. contactless air duct sensor is characterized in that: comprise fixed support and travel(l)ing rest, both upper ends are hinged through bearing pin; Solid welding has upper backup pad on the fixed support; Be fixed with lower supporting plate on the travel(l)ing rest, two gripper shoe end faces over against, the downside of upper backup pad is fixed with dry reed switch; The upside of lower supporting plate is fixed with magnet, and the passive contact signal of dry reed switch output supplies the collection of downhole monitoring substation.

2. contactless air duct sensor according to claim 1 is characterized in that: upper backup pad is inverted " L " type.

3. contactless air duct sensor according to claim 1, it is characterized in that: the upside of upper backup pad is provided with fixing hole.