CN101655338A - Priming system and method - Google Patents

Abstract

The invention relates to a priming system and priming method. The priming system comprises a blasting energy source and at least one primer, wherein the primer comprises a first control unit and a second control unit; the first control unit is used for sending command signals; the second control unit is used for receiving the command signals and controlling the priming process; the first control unit is connected with the second control unit; the second control unit comprises at least one physical member connected with the blasting energy source and the at least one primer; by moving to a safeposition, the physical member stops the blasting energy source from providing energy for the at least one primer. The invention ensures the safety in the priming process and avoids the accidental priming risk caused by equipment failure.

Description

A kind of initiation system and method

Technical field

The present invention relates to the priming system technical field, relate in particular to a kind of initiation system and method to detonator or radio-frequency apparatus or long-range wired blasting system.

Background technology

In industrial explosion field, detonator is divided into machineries such as utilizing acupuncture, bump, friction, flame traditionally or heat effect triggers and utilize electric energy to trigger two big classes.Since the eighties in 20th century, the industrial detonator development is rapid, the new product development Showed Very Brisk, and new varieties, new technology emerge in an endless stream.Wherein most typical representative is a digital electric detonator, indicates that the development of industrial detonator has reached a new height.

In the existing blasting system, usually use the control of electronics or software systems to ignite explosion, the blasting energy source is based upon in the downstream communication unit, and the detonator of physical connection in the blasting system, the defective of prior art is as if generation problem in burst region, can't determine whether the blasting energy source has been connected on the detonator, the safe practice that only depends on software can not guarantee shotfiring safety, has hidden danger.

In addition, after the downstream flow control module is connected to detonator, powers up or connect detonator when operation lead-in wire, if blasting system triggers immediately or in advance, can only be stopped by the tele command signal, this will cause firmware, software, electronic failure or cause the consequence of unexpected explosion.

Summary of the invention

In view of this, the embodiment of the invention provides a kind of initiation system.

Comprise: blasting energy source and at least one detonator,

Be used to send first control module of command signal;

Be used to receive command signal and control second control module that detonates;

First control module links to each other with second control module;

Second control module comprises the physical feature that at least one and described blasting energy source link to each other with at least one detonator, stops the blasting energy source and provides energy to described at least one detonator by moving to home.

Described second control module also comprises first timer, is used to control first and connects, and first timer is connected with described physical feature with the blasting energy source respectively.

Described second control module also comprises second timer, is used to control second and connects, and second timer is connected with described physical feature respectively at the blasting energy source.

Described second control module also comprises voltage monitor, is used for monitoring in real time described object member upstream flow rate voltage.

Described second control module also comprises response control unit, is used to respond the command signal that first control module sends.

Described second control module also comprises Transmit-Receive Unit, is used for establishing a communications link with first control module.

Described system also comprises additional control module, links to each other with first control module, is used to send command signal.

Described second control module comprises audio alarm unit and the video alarm unit that is used to respond alarm.

The embodiment of the invention provides a kind of method of ignition, comprises step:

Set up being connected of blasting energy source and at least one detonator;

Physical feature is placed initial position;

During any condition, physical feature moves to home from initial position below satisfying in the blasting system.Described condition comprises:

1) receives the order of blocking-up to the physical feature energy supply;

2) monitor physical feature upstream flowrate voltage;

The blasting energy source stops to provide energy at least one detonator.

Described method also comprises step:

First connection is placed connection status, and first timer picks up counting, and surpasses the time period A that presets, and connects first to place off-state.

Described method also comprises step:

Second connection is placed off-state, and second timer picks up counting, and surpasses the time period B that presets, and connects second to place connection status.

Compared with prior art, beneficial effect of the present invention is as follows:

Because the present invention is provided with a physical feature movably between blasting energy source and at least one detonator, after blasting system is set up, if break down or during unsafe factor, physical feature can move to home from initial position, when home, the blasting energy source stops to provide energy at least one detonator.Further, be provided with among the present invention first timer and second timer respectively first between controlled blasting energy source and at least one detonator be connected with second and be connected, the assurance blasting system is got back to safe condition behind preset time section A, and the time period B of a safety was provided before blasting system starts.Avoided the potential safety hazard that occurs in the prior art.

Below by drawings and Examples, technical scheme of the present invention is described in further detail.

Description of drawings

Fig. 1 is the structure chart of blasting system of the present invention;

Fig. 2 is the structure chart of second control module among the present invention;

Fig. 3 is first kind of example structure figure of physical feature among the present invention;

Fig. 4 is second kind of example structure figure of physical feature among the present invention;

Fig. 5 is the third example structure figure of physical feature among the present invention;

Fig. 6 is the flow chart of a kind of method of ignition among the present invention.

The specific embodiment

For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.

With reference to figure 1, blasting system 10 of the present invention comprises blasting energy source 30, at least one detonator 12, lead-in wire 14, the first control modules 18, the second control modules 16 that link to each other with detonator.Pass through physical connection 24 or wireless connections 26 between first control module 18 and second control module 16.Second control module 16 is connected on the detonator 12 via lead-in wire 14, and second control module 16 links to each other with blasting energy source 30.

First control module 18 is used to send command signal, for example sends the explosion command signal.

Second control module 18 is used to respond the command signal that receives, and the controlled blasting system.

Described blasting energy source 30 can be a battery, and perhaps a booster circuit when reaching certain voltage value, provides energy to detonator 12, thereby explosion caused.

Preferably, blasting system 10 of the present invention also comprises an additional control module 22, links to each other with first control module 18, is used to send command signal.

With reference to figure 2, the structure chart of second control module among the present invention is described.

Second control module 16 comprises:

Physical feature 42, first timer 32 and second timer 34, respectively first between controlled blasting energy source and physical feature is connected 32A and is connected 34A with second, voltage monitor 36, audio alarm unit 38, video alarm unit 40, response control unit 44, Transmit-Receive Unit 46.

Wherein, physical feature 42 can stop the blasting energy source and provides energy to described at least one detonator by moving to home.Voltage monitor 36 is used for monitoring in real time described object member upstream flow rate voltage.Response control unit 44 is used to respond the command signal that first control module sends.Transmit-Receive Unit 46 is used for establishing a communications link with first control module 18.

When second control module 16 started, first timer 32 moved automatically, and first connects 32A is in connection status, above behind the time period A that presets, disconnects first and connects 32A.Be used to guarantee that blasting system gets back to safe condition behind the time period A that presets.Preferably, timer 32 can be electronics or machinery, does not rely on the control of software or software thread.

When second control module started, second timer 34 moved automatically, and second connects 34A is in off-state, and above behind the time period B that presets, second connects 34A is in connection status.Be used to provide the time period B of a safety, guarantee operating personnel's safety.

Voltage monitor is monitored the upstream flowrate voltage of physical feature 42 in real time, if monitor voltage, then to audio alarm unit 38 and 40 power supplies of video alarm unit, sends alarm.

When response control unit 44 receives blocking-up that first control module sends when breaking down in the order of physical feature 40 energy supplies or blasting system, for example power supply in response control unit 44 or the first timer 32 or mechanical parts lost efficacy, physical feature 40 is activated, and physical feature 40 moves to home from initial position.

Preferably, second control module 16 also comprises backup units 44A and 46A, is used for the copy as response control unit 44 and Transmit-Receive Unit 46.

Physical feature 42 can have various ways, comprises a removable physically and visible assembly in position at least.

Fig. 3 has showed a kind of specific implementation of physical feature 42.

Physical feature 42 comprises a shell 50, has a piston 52 that seals the cup-shape that is fit to.The lower end of piston comprises contact 54 and 56, when piston 52 farthest is inserted in the shell 50, directly is brought into corresponding electric contact 58 and 60, determines the inner surface and the lower end of shell respectively.Contact 58 and 60 extended conductors 62 and 64 are connected 34A respectively and are connected 66 with the 3rd and link to each other with second.

A spring or any explosion mechanical parts that is equal to are arranged in the shell 50, and it releases piston 52 shell 50 outsides usually.A conductor 72 is embedded in the piston, and extends between contact 54 and 56.Two metal-cored 74 and 76 inner surfaces that are fixed on piston, reverse solenoid 78 and 80 is installed on the base 82 of piston.If solenoid 78 and 80 is by energy supply, piston 52 is promoted to the center, and then solenoid 78 and the enough gravitation of 80 utilizations attract metal-cored 74 and 76, keep piston 52 a retracted position.If the electric energy of one of them solenoid 78 or 80 is supplied with and to be interrupted, then gravitation reduces by half at least, and perhaps two solenoids 78 and 80 electric energy are supplied with and all be interrupted, and then gravitation is kept to zero.In each case, the magnetizing force of spring 70 is automatic.Piston is pushed out 50 to visible positions of shell, the electrical connection that destroys between the indication observer conductor 62 and 64.

Fig. 4 has showed the another kind of specific implementation of physical feature 42.

Physical feature 42 comprises reverse solenoid 84 and 86, acts on latch 88 and 90 respectively, and support hub moves around axle 92 and 94 separately.Structure 96 as requested, is loaded a visual blasting energy source (for example battery), and blasting energy converter, or a connector 98 are latched device 88 and 90 and remain on an exercisable position.Yet,, can be cut off to two solenoidal or one of them energy supplies if order that comes from first control module 18 is received or a fault is detected.Stop spring 100 on the piston 102 in the solenoid of energy supply along arrow 104 or 106 rotations latch separately, depend on the circumstances.Spring loaded element 108 is drives structure 96 upwards, so that the visual indication of a circuit blocking-up to be provided.In the element 108 or the one or more electrical contacts that are connected with structure 96 simultaneously destroyed so that therefore system introduces a safe condition automatically.

Fig. 5 has showed the another kind of specific implementation of physical feature 42.

Physical feature 42 comprises structure 96B, and this assembly can load a blasting energy source or a converter, or a connector link, and support hub is around axle 110 motions.A solenoid 84B acts on a latch 84B around fulcrum 92B motion, can keep structure an exercisable position.When structure moved to exercisable position, a helical spring that is in axle 110 center was motionless, does not show among the figure.If because some reason breaks down as firing circuit, the solenoid distortion, spring causes that structure moves upward around axle 110 according to the direction of arrow 112.A structural cam configuration 114 acts on a spring loaded piston 116, and interrupts providing safe tie point in electrical connection or the firing circuit.A video indication offers the personnel of change state again, can enter the explosion position once more safely.

With reference to figure 6, a kind of flow process of the method for ignition is described, specifically may further comprise the steps:

601, set up being connected of blasting energy source and at least one detonator.

602, physical feature is placed initial position.

603, first connection is placed connection status, first timer picks up counting, and surpasses the time period A that presets, and connects first to place off-state.

604, second connection is placed off-state, second timer picks up counting, and surpasses the time period B that presets, and connects second to place connection status.

605, the second connect when placing connection status, and at least one detonator can be set by the explosion command signal and light a fire.

606, during any condition, physical feature moves to home from initial position below satisfying in the blasting system.Described condition comprises:

1) receives the order of blocking-up to the physical feature energy supply;

2) monitor physical feature upstream flowrate voltage.

607, the blasting energy source stops to provide energy at least one detonator.

It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.

Claims (11)

1, a kind of initiation system comprises blasting energy source and at least one detonator, it is characterized in that described system comprises:

Be used to send first control module of command signal;

Be used to receive command signal and control second control module that detonates;

First control module links to each other with second control module;

Second control module comprises the physical feature that at least one and described blasting energy source link to each other with at least one detonator, stops the blasting energy source and provides energy to described at least one detonator by moving to home.

2, the system as claimed in claim 1 is characterized in that, described second control module also comprises first timer, is used to control first and connects, and first timer is connected with described physical feature with the blasting energy source respectively.

3, system as claimed in claim 2 is characterized in that: described second control module also comprises second timer, is used to control second and connects, and second timer is connected with described physical feature respectively at the blasting energy source.

4, the system as claimed in claim 1 is characterized in that: described second control module also comprises voltage monitor, is used for monitoring in real time described object member upstream flow rate voltage.

5, the system as claimed in claim 1 is characterized in that: described second control module also comprises response control unit, is used to respond the command signal that first control module sends.

6, the system as claimed in claim 1 is characterized in that: described second control module also comprises Transmit-Receive Unit, is used for establishing a communications link with first control module.

7, the system as claimed in claim 1 is characterized in that: described system also comprises additional control module, links to each other with first control module, is used to send command signal.

8, the system as claimed in claim 1 is characterized in that: described second control module comprises audio alarm unit and the video alarm unit that is used to respond alarm.

9, a kind of method of ignition is characterized in that:

Set up being connected of blasting energy source and at least one detonator;

Physical feature is placed initial position;

During any condition, physical feature moves to home from initial position below satisfying in the blasting system.Described condition comprises:

1) receives the order of blocking-up to the physical feature energy supply;

2) monitor physical feature upstream flowrate voltage;

The blasting energy source stops to provide energy at least one detonator.

10, method as claimed in claim 9 is characterized in that, described method also comprises step:

First connection is placed connection status, and first timer picks up counting, and surpasses the time period A that presets, and connects first to place off-state.

11, method as claimed in claim 10 is characterized in that, described method also comprises step:

Second connection is placed off-state, and second timer picks up counting, and surpasses the time period B that presets, and connects second to place connection status.

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