CN208750400U

CN208750400U - A kind of air accumulator safety device

Info

Publication number: CN208750400U
Application number: CN201821479259.9U
Authority: CN
Inventors: 姚锋
Original assignee: SHANGHAI CHAGE INDUSTRY EQUIPMENT CO LTD
Current assignee: SHANGHAI CHAGE INDUSTRY EQUIPMENT CO LTD
Priority date: 2018-09-11
Filing date: 2018-09-11
Publication date: 2019-04-16
Anticipated expiration: 2028-09-11

Abstract

The utility model discloses a kind of air accumulator safety devices, including tank body, pressure relief mechanism and safety protection circuit are provided on the tank body, the safety protection circuit includes, temperature detecting module detects signal for detect simultaneously output temperature to the tank surface temperature；Pressure detecting module detects signal for detect simultaneously output pressure to the tank interior pressure；Main controller receives the temperature detection signal and the pressure detecting signal respectively, and controls the pressure relief mechanism work according to the received pressure detecting signal；Warning module is coupled to the main controller, and exports pre-warning signal.The utility model has the beneficial effects that pressure release is carried out, to avoid the adverse effect that may cause if main controller controls the pressure relief mechanism work according to the received pressure detecting signal when pressure of tank interior is more than preset value pressure.

Description

A kind of air accumulator safety device

Technical field

The utility model relates to air accumulator fields, more specifically, it relates to a kind of air accumulator safety device.

Background technique

Air accumulator refers to the equipment for being specifically used to store gas, is influenced by pressure in ambient temperature and tank, is risen simultaneously The effect of systems stabilisation pressure, while it is also one of important large-scale fixed power-equipment of coal mine, it is extensive on underground, ground It uses, the pneumatic pick, air drill, rock drill for being mainly supplied with getting working face use.Air accumulator is the corollary equipment of air compressor, It is mounted on outdoor, air enters compressor by being sent into air accumulator after pressurization, is then supplied to again by air accumulator pipeline and each uses gas Place, main function of the air accumulator in air compression system are to guarantee that gas supply is stablized；Hold press air accumulator safety device at present Only one mechanical safety valve, only single ply protective can not achieve real-time security monitoring and warning function is also protected without temperature Shield, air accumulator explosive incident occur often.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of air accumulator security protection dresses It sets, solves the problems, such as that existing air accumulator mounting device only has a kind of mechanical safety valve single.

To achieve the above object, the utility model provides following technical solution:

A kind of air accumulator safety device, including tank body are provided with pressure relief mechanism and security protection electricity on the tank body Road, the safety protection circuit include,

Temperature detecting module detects signal for detect simultaneously output temperature to the tank surface temperature；

Pressure detecting module detects signal for detect simultaneously output pressure to the tank interior pressure；

Main controller receives the temperature detection signal and the pressure detecting signal respectively, and according to the received pressure Power detects signal and controls the pressure relief mechanism work；And

Warning module is coupled to the main controller, and exports pre-warning signal.

As the one aspect of the utility model, in a kind of air accumulator safety device, the pressure relief mechanism Including solenoid valve.

As the one aspect of the utility model, in a kind of air accumulator safety device, the main controller packet Switch unit is included, receives the temperature detection signal and the pressure detecting signal respectively, and according to the temperature detection signal It is opened or closed with the pressure detecting signal.

As the one aspect of the utility model, in a kind of air accumulator safety device, the temperature detection Module includes comparator A1, and the first input end of the comparator A1 is coupled with potentiometer RP1, and the second of the comparator A1 is defeated Enter end and be coupled with temperature sensor RH, the output end of the comparator A1 is coupled with the first oscillation being made of operational amplifier B1 Device unit, first oscillator unit are coupled with relay K1.

As the one aspect of the utility model, in a kind of air accumulator safety device, the pressure detecting Module includes comparator A2, and the first input end of the comparator A2 is coupled with potentiometer RP2, and the second of the comparator A2 is defeated Enter end and be coupled with pressure sensor Y, the output end of the comparator A2 is coupled with the second oscillation being made of operational amplifier B2 Device unit, second oscillator unit are coupled with relay K2.

As the one aspect of the utility model, in a kind of air accumulator safety device, the switch unit Including relay contact K1-1 and relay contact K2-1 parallel with one another, relay contact K1-1 and relay contact K2-1 are equal It is coupled to warning module.

As the one aspect of the utility model, in a kind of air accumulator safety device, the warning module Including triode, switch unit is coupled to the base stage of triode, and the emitter of triode is coupled with buzzer.

It further include display mould in a kind of air accumulator safety device as the one aspect of the utility model Block is arranged on the main controller.

As the one aspect of the utility model, in a kind of air accumulator safety device, the main controller is also Connect a monitoring device.

The utility model has the beneficial effects that if main controller is according to reception when the pressure of tank interior is more than preset value pressure The pressure detecting signal control pressure relief mechanism work, pressure release is carried out, to avoid the adverse effect that may cause.

In addition, when the temperature of tank surface it is excessively high be more than preset value temperature when, temperature detecting module starting, if while tank body Internal pressure equally will start pressure detecting module when being more than preset value pressure, due to temperature detecting module and pressure detecting mould Main controller is connected between block, and main controller is connected with warning module, therefore the temperature either on tank body is still more than preset value Pressure is more than that preset value can trigger warning module, and warning module starts early warning operation prompting staff's emergent management at this time, It will start emergency protective unit also while issuing warning signal to reduce the influence excessively high to pot temperature.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure of the present embodiment；

Fig. 2 is safety protection circuit schematic diagram；

Fig. 3 is temperature detecting module circuit diagram；

Fig. 4 is pressure detecting modular circuit schematic diagram；

Fig. 5 is switch unit, warning module circuit diagram.

Appended drawing reference: 110, tank body；116, temperature detecting module；117, pressure detecting module；118, switch unit；119, Warning module；200, main controller；201, display module.

Specific embodiment

Embodiment is described further referring to attached drawing.

Be described in further details below in conjunction with attached drawing, word "front", "rear" used in the following description, "left", "right", "up" and "down" refers to direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" respectively refer to towards or away from The direction of geometric center of specific component.

A kind of air accumulator safety device is provided with pressure relief mechanism 115 and peace referring to Figures 1 and 2 on tank body 110 Full protection circuit, the safety protection circuit include,

Temperature detecting module 116 detects signal for detect simultaneously output temperature to 110 surface temperature of tank body；

Pressure detecting module 117 detects signal for detect simultaneously output pressure to 110 internal pressure of tank body；

Main controller 200 receives the temperature detection signal and the pressure detecting signal respectively, and according to received described Pressure detecting signal controls the pressure relief mechanism work；

Warning module 119 is coupled to the main controller 200, and exports pre-warning signal.

The temperature detecting module 116 and the pressure detecting module 117 all can be to be connected with the main controller 200 It connects, is achieved in signal interaction.

The main controller 200 can also be interacted with the external world, such as connection local area network, internet etc., may be implemented so remote Journey real time monitoring.

For example, the main controller 200 is connected by cable network with monitoring device, to show for example described temperature in real time Degree detection signal and the pressure detecting signal etc., and whether carried out pressure discharge operations etc..

For example, the style interfaces such as RS-485 can be configured, mobile communication APP real-time monitoring is realized by docking Internet of Things, Data can be sent into the supervision of various regions safety monitor department.

For another example, the main controller 200 can communicate information to host computer (Central Control Room) and realize unattended real-time monitoring.

It is also provided with display module 201 on the main controller 200, so that the information such as temperature, pressure be shown Show.

For example, the display module 201 can be six Digital sum tube displays.

Referring to Fig. 3 to Fig. 5, temperature detecting module 116 mainly includes temperature sensor RH, and temperature sensor RH detects tank The temperature on 110 surface of body be more than potentiometer RP1 setting temperature value after, at this time comparator A1 be connected, comparator A1 conducting after control It makes the first oscillator unit and relay K1 starts to work.Pressure detecting module 117 mainly includes pressure sensor Y, and pressure passes Sensor Y detect 110 surface of tank body temperature be more than potentiometer RP2 setting temperature value after, at this time comparator A2 be connected, compare The second oscillator unit is controlled after device A2 conducting and relay K2 starts to work.Relay contact K1-1 is controlled by relay K1, Relay contact K2-1 is controlled by relay K2, after relay K1 and relay K2 start to work, relay contact K1-1 with Relay contact K2-1 closure, since relay contact K1-1 and relay contact K2-1 are parallel with one another, no matter relay The controllable warning module 119 of whose closure of contact K1-1 and relay contact K2-1 starts.Switch unit 118 makes three after being closed Pole pipe Q1 conducting, final control buzzer F (or other sound, light alarm device) are started to work.

In addition, after relay K2 starts to work, relay contact K2-1 closure, to directly transmit signals to master control Device 200, the main controller control the pressure relief mechanism 115 according to the received pressure detecting signal and work, and carry out pressure release.

Further, in the utility model, double guard bits about pressure can be set, for example including first threshold and Two threshold values, second threshold are greater than first threshold, thus when the pressure information detected reaches first threshold, triggering alarm behaviour When making, and reaching second threshold, then pressure releasing operation may be implemented, realize dual fail-safe.

In conclusion the utility model has the beneficial effects that if the pressure of tank interior be more than preset value pressure when, main controller The pressure relief mechanism work is controlled according to the received pressure detecting signal, carries out pressure release, it is bad to avoid what be may cause It influences.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims

1. a kind of air accumulator safety device, including tank body (110), it is characterized in that: being provided with pressure release on the tank body (110) Mechanism (115) and safety protection circuit, the safety protection circuit include,

Temperature detecting module (116) detects signal for detect simultaneously output temperature to the tank body (110) surface temperature；

Pressure detecting module (117) detects signal for detect simultaneously output pressure to the tank body (110) internal pressure；

Main controller (200) receives the temperature detection signal and the pressure detecting signal respectively, and according to the received pressure Power detects signal and controls the pressure relief mechanism work；And

Warning module (119) is coupled to the main controller (200), and exports pre-warning signal.

2. a kind of air accumulator safety device according to claim 1, it is characterized in that: the pressure relief mechanism includes electromagnetism Valve.

3. a kind of air accumulator safety device according to claim 1, it is characterized in that: the main controller (200) includes Switch unit (118) receives the temperature detection signal and the pressure detecting signal respectively, and believes according to the temperature detection Number and the pressure detecting signal and open or close.

4. a kind of air accumulator safety device according to claim 3, it is characterized in that: the temperature detecting module It (116) include comparator A1, the first input end of the comparator A1 is coupled with potentiometer RP1, and the second of the comparator A1 Input terminal is coupled with temperature sensor RH, and the output end of the comparator A1 is coupled with the first vibration being made of operational amplifier B1 Device unit is swung, first oscillator unit is coupled with relay K1.

5. a kind of air accumulator safety device according to claim 3, it is characterized in that: the pressure detecting module It (117) include comparator A2, the first input end of the comparator A2 is coupled with potentiometer RP2, and the second of the comparator A2 Input terminal is coupled with pressure sensor Y, and the output end of the comparator A2 is coupled with the second vibration being made of operational amplifier B2 Device unit is swung, second oscillator unit is coupled with relay K2.

6. a kind of air accumulator safety device according to claim 3, it is characterized in that: the switch unit (118) wraps Include relay contact K1-1 and relay contact K2-1 parallel with one another, relay contact K1-1 and the equal coupling of relay contact K2-1 It is connected to warning module (119).

7. a kind of air accumulator safety device according to claim 1, it is characterized in that: the warning module (119) wraps Triode is included, switch unit (118) is coupled to the base stage of triode, and the emitter of triode is coupled with buzzer.

8. a kind of air accumulator safety device according to claim 1, it is characterized in that: further include display module, setting On the main controller (200).

9. a kind of air accumulator safety device according to claim 1, it is characterized in that: the main controller is also connected with a prison Control equipment.