CN106950894A - A kind of colliery machine mining face jerk latch switch position identification device and recognition methods - Google Patents
A kind of colliery machine mining face jerk latch switch position identification device and recognition methods Download PDFInfo
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- CN106950894A CN106950894A CN201710337641.XA CN201710337641A CN106950894A CN 106950894 A CN106950894 A CN 106950894A CN 201710337641 A CN201710337641 A CN 201710337641A CN 106950894 A CN106950894 A CN 106950894A
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- G05B19/00—Programme-control systems
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- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention discloses a kind of colliery machine mining face jerk latch switch position identification device and recognition methods, the invention discloses a kind of colliery machine mining face jerk latch switch position identification device and recognition methods, including enquiry module and urgent latch switch module；The enquiry module includes the first signal transmitting and receiving circuit；The first urgent latch switch that the urgent latch switch module is sequentially connected including several ... the urgent latch switches of N, the first urgent latch switch ... the urgent latch switches of N include switch member and secondary signal transmission circuit；The first signal transmitting and receiving circuit in the enquiry module is connected with the data transmission terminal of the first urgent latch switch, and enquiry module sequentially inquires about the first urgent latch switch, the blocking of the second urgent latch switches of urgent latch switch ... N.The present invention transmits locking and without locking information with single signal wire, and completes position identification function, with low-power consumption, the simple characteristic of wiring.
Description
Technical field
The invention belongs to technical field of electronic equipment, and in particular to a kind of colliery machine mining face jerk latch switch position
Identifying device and recognition methods.
Background technology
Jerk latch switch is Safety of Coal Mine Production visual plant, and usual colliery machine mining face needs up to tens
Individual jerk latch switch, these switches are all powered by a power supply, it requires that latch switch has low-power consumption, and can know
Do not go out is that locking occurs for which latch switch.
Jerk latch switch position is recognized typically by fieldbus on the market at present（RS485 or CAN）Transmission
Address code is realized, but fieldbus power consumption is big, can band load latch switch limited amount, add power supply cost；By
In using each latch switch address of address representation, so to set the address code of each latch switch when installing so that peace
Dress and maintenance become difficult.
The content of the invention
Regarding to the issue above, the present invention proposes a kind of colliery machine mining face jerk latch switch position identification device and knowledge
Other method, locking is transmitted and without locking information with single signal wire, and completes position identification function, with low-power consumption, wiring letter
Single characteristic.
Above-mentioned technical purpose is realized, above-mentioned technique effect is reached, the present invention is achieved through the following technical solutions：
A kind of colliery machine mining face jerk latch switch position identification device, including enquiry module and urgent latch switch mould
Block；The enquiry module includes the first signal transmitting and receiving circuit；It is first tight that the urgent latch switch module includes being sequentially connected
The urgent latch switches of anxious latch switch ... N, the first urgent latch switch ... the urgent latch switches of N include switch
Part and secondary signal transmission circuit；The data of the first signal transmitting and receiving circuit and the first urgent latch switch in the enquiry module
Transmission end is connected, and enquiry module sequentially inquires about the blocking of the first urgent latch switches of urgent latch switch ... N.
Further, the urgent latch switch module include several by single signal wire be sequentially connected it is first tight
Anxious latch switch, the second urgent latch switches of urgent latch switch ... N.
Further, the data transmission terminal of the first signal transmitting and receiving circuit respectively with opening in the first urgent latch switch
Close part one end be connected with the data transmission terminal of secondary signal transmission circuit, the switch member in the first urgent latch switch it is another
End is connected with one end of the switch member in the second urgent latch switch and the data transmission terminal of secondary signal transmission circuit respectively；Institute
State the second urgent latch switch ... it is previous promptly to close in the urgent latch switches of N-1 in two neighboring urgent latch switch
The switch member of lock-switch one end respectively with the switch member of latter urgent latch switch and the data of secondary signal transmission circuit
Transmission end is connected, the one end of the data transmission terminals of the urgent latch switches of N-1 respectively with the switch member in the urgent latch switches of N
It is connected with the data transmission terminal of secondary signal transmission circuit.
Further, the first signal transmitting and receiving circuit includes the first signal transmission circuit and the first signal receiving circuit；
The secondary signal transmission circuit includes secondary signal radiating circuit and secondary signal receiving circuit；
The first signal transmission circuit output end and the switch member and secondary signal receiving circuit in the first urgent latch switch
It is connected, for sending electric current inquiry signal to the first urgent urgent latch switches of latch switch ... N；First signal connects
The input for receiving circuit is connected with the output end of the secondary signal radiating circuit in the first urgent latch switch, for receiving first
Switch member locking or non-blocked feedback signal that the urgent latch switches of urgent latch switch ... N are sent；Described first is tight
Switch member in the urgent latch switches of anxious latch switch ... N controls break-make by control chip.
Further, first signal transmission circuit includes the first electric current generation sub-circuit, and son electricity occurs for the first electric current
The input on road is connected with control chip, and the output end of sub-circuit and the input of the first urgent latch switch occur for the first electric current
It is connected；
Sub-circuit and the 3rd occurs for the second electric current that the secondary signal radiating circuit is respectively used to produce two kinds of different current values
Sub-circuit occurs for electric current, and sub-circuit occurs for the second electric current and the input of the 3rd electric current generation sub-circuit is connected with control chip,
Sub-circuit occurs for the second electric current and the connected rear enquiry module with front of it of output end of sub-circuit occurs for the 3rd electric current
First signal receiving circuit is connected or promptly the switch member in latch switch is connected；
First signal receiving circuit includes first resistor and first comparator circuit；One end of the first resistor and first
The output end of secondary signal radiating circuit in urgent latch switch is connected, the other end and the first comparator circuit of first resistor
One of input be connected；The output end of the first comparator is connected with the input of control chip；
The secondary signal receiving circuit includes second resistance and the second comparator circuit；One end of the second resistance is with being located at
Switch member in the output end or urgent latch switch of first signal transmission circuit of the enquiry module in front of it is connected, and second
The other end of resistance is connected with one of input of the second comparator circuit；The output end of second comparator and control
The input of chip is connected.
Further, the switch member is electronic switch, including the first metal-oxide-semiconductor and the second metal-oxide-semiconductor, first metal-oxide-semiconductor
Grid be connected with control chip with incoming control signal, its drain electrode is connected with the grid of the second metal-oxide-semiconductor, its source ground；The
The source electrode of two metal-oxide-semiconductors is connected with dc source, and it drains for being connected with enquiry module or urgent latch switch.
A kind of colliery machine mining face jerk latch switch location recognition method, comprises the following steps：
Step 1: the switch member in the jerk latch switch being respectively sequentially connected in urgent latch switch module is placed in disconnecting shape
State, concurrently setting each jerk latch switch, no longer signal is inquired about in response within the time of setting after response one query signal；
Step 2: enquiry module constantly sends inquiry signal to urgent latch switch module, urgent locking according to the frequency of setting
Each jerk latch switch in switch module is received after inquiry signal, if the jerk latch switch is in blocking, is sent out
Send block signal to enquiry module, otherwise send normal signal to enquiry module；
Step 3: obtaining the blocking of each jerk latch switch in urgent latch switch module.
Further, the step 2 specifically includes following steps：
The first urgent latch switch that 2.1 enquiry modules are sent in first inquiry signal, urgent lock modules receives inquiry letter
Number, if the first urgent latch switch is in blocking, block signal is sent to enquiry module is sent, normal letter is otherwise sent
Number, enquiry module thus obtain the first urgent latch switch whether the information of locking, afterwards, by the first urgent latch switch
The switch member K in portion1Closure；
2.2 enquiry modules send second inquiry signal, and the first urgent latch switch and the second urgent latch switch can be received
Signal is inquired about, because the first urgent latch switch had responded to one query signal, can ignore in setting time and specifically look into
Ask, the only second urgent latch switch response is this time inquired about, if the second urgent latch switch is in blocking, is looked into transmission
Ask module and send block signal, otherwise send normal signal, thus enquiry module obtains whether closing for the second urgent latch switch
Lock information, afterwards, the second urgent latch switch is by its internal switch member K2Closure；
2.3 the like, enquiry module sends N（N>2）Individual inquiry signal, preceding N-1 urgent latch switches can be received and looked into
Signal is ask, because preceding N-1 jerk lock modules all had responded to one query signal, and this can be ignored in setting time
Secondary inquiry, the urgent latch switch responses of only N are this time inquired about, if the urgent latch switches of N are in blocking, to transmission
Enquiry module sends block signal, otherwise sends normal signal, thus enquiry module obtains whether closing for the urgent latch switches of N
Lock information.
Further, the urgent lock modules include 45 urgent latch switches；The enquiry module and each promptly close
The signal duration that lock-switch is sent is 5 milliseconds, and urgent latch switch response is crossed after one query signal, ensuing 1 second
It is interior to reply inquiry signal again, the switch member of urgent latch switch also can constant conduction switch member can be from dynamic circuit breaker after 1 second, 1 second
Open.
Further, the inquiry signal that the enquiry module is sent is 10mA current signals；What urgent latch switch was sent
Normal signal is 5mA current signals；The block signal that urgent latch switch is sent is 10mA current signals.
Beneficial effects of the present invention：
A kind of colliery machine mining face jerk latch switch position identification device of the present invention and recognition methods, including locking inquiry
Module and urgent lock modules, the locking of each urgent latch switch is transmitted in urgent lock modules and without closing with single signal wire
Lock information, and complete position identification, it is to avoid fieldbus is used, therefore reduces power consumption, cost is lower, it is not required that be configured
Location code, is installed and maintenance becomes simple.
Brief description of the drawings
Fig. 1 is a kind of the overall former of embodiment of colliery machine mining face jerk latch switch position identification device of the present invention
Manage schematic diagram；
In enquiry modules of the Fig. 2 for a kind of embodiment of colliery machine mining face jerk latch switch position identification device of the present invention
The first signal transmission circuit circuit diagram；
In enquiry modules of the Fig. 3 for a kind of embodiment of colliery machine mining face jerk latch switch position identification device of the present invention
The first signal receiving circuit circuit diagram；
Fig. 4 is a kind of electricity of the switch member of embodiment of colliery machine mining face jerk latch switch position identification device of the present invention
Lu Tu；
Fig. 5 is a kind of flow chart of embodiment of colliery machine mining face jerk latch switch location recognition method of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
Jerk latch switch position identification of the prior art is typically by fieldbus（RS485 or CAN）Pass
Defeated address code is realized, but fieldbus power consumption is big, can band load latch switch limited amount, add power supply cost；
Due to using each latch switch address of address representation, so to set the address code of each latch switch when installing so that
Install and maintenance becomes difficult, therefore, the present invention transmits locking and without locking information with single signal wire, and completes position identification
Function, with low-power consumption, the simple characteristic of wiring.
Embodiment one
As Figure 1-4, a kind of colliery machine mining face jerk latch switch position identification device, including enquiry module and urgent
Latch switch module；The enquiry module includes the first signal transmitting and receiving circuit；The urgent latch switch module includes sequentially phase
The first urgent latch switch even ... the urgent latch switches of N, the first urgent latch switch ... the urgent latch switches of N
Include switch member and secondary signal transmission circuit；The first signal transmitting and receiving circuit and the first urgent locking in the enquiry module
The data transmission terminal of switch is connected, and enquiry module sequentially inquires about the first urgent latch switch, the second urgent latch switch ... N
The blocking of urgent latch switch.
In the one of which embodiment of the present embodiment, referring to Fig. 1, the urgent latch switch module includes several
The first urgent latch switch for being sequentially connected by single signal wire, the second urgent latch switches of urgent latch switch ... N,
Locking is transmitted and without locking information with single signal wire, and completes position identification function, it is simply special with low-power consumption, wiring
Property, wherein, N value is determined according to the number of actual urgent latch switch to be identified.
In the preferred embodiment of the present embodiment, the data transmission terminal of the first signal transmitting and receiving circuit is respectively with first
One end of switch member in urgent latch switch is connected with the data transmission terminal of secondary signal transmission circuit, and the first urgent locking is opened
The other end of the switch member in Central Shanxi Plain one end respectively with the switch member in the second urgent latch switch and secondary signal transmission circuit
Data transmission terminal be connected；The second urgent latch switch ... two neighboring urgent locking in the urgent latch switches of N-1
In switch, the one end and second of the switch member of previous urgent latch switch respectively with the switch member of latter urgent latch switch
The data transmission terminal of signal transmitting and receiving circuit is connected, and the data transmission terminal of the urgent latch switches of N-1 is opened with the urgent lockings of N respectively
One end of the switch member in the Central Shanxi Plain is connected with the data transmission terminal of secondary signal transmission circuit, can be by controlling each tight with realization
The break-make of switch member in anxious latch switch sequentially sends inquiry signal to each anxious latch switch, and obtains each each urgency and close
Locking or non-blocked signal that lock-switch is sent.
Further, the first signal transmitting and receiving circuit includes the first signal transmission circuit and the first signal receiving circuit；
The secondary signal transmission circuit includes secondary signal radiating circuit and secondary signal receiving circuit；
The first signal transmission circuit output end and the switch member and secondary signal receiving circuit in the first urgent latch switch
It is connected, for sending electric current inquiry signal to the first urgent urgent latch switches of latch switch ... N；First signal connects
The input for receiving circuit is connected with the output end of the secondary signal radiating circuit in the first urgent latch switch, for receiving first
Switch member locking or non-blocked feedback signal that the urgent latch switches of urgent latch switch ... N are sent；Described first is tight
Switch member in the urgent latch switches of anxious latch switch ... N controls break-make by control chip.
Specifically, first signal transmission circuit includes the first electric current generation sub-circuit, and sub-circuit occurs for the first electric current
Input be connected with control chip, utilize control chip control the first electric current occur sub-circuit break-make, the first electric current occur
The output end of sub-circuit is connected with the input of the first urgent latch switch；In the other embodiment of the present invention, the present invention
Its specific circuit structure form is not defined；The control chip is singlechip chip common in the art, ARM
Chip etc., this kind of chip can commercially be bought.
The second electric current that the secondary signal radiating circuit includes being used for producing two kinds of different current values occur sub-circuit and
Sub-circuit occurs for the 3rd electric current, and the second electric current occurs sub-circuit and the 3rd electric current and occurs the input of sub-circuit and control chip
It is connected, controls the second electric current to occur the break-make of sub-circuit and the 3rd electric current generation sub-circuit using control chip, so that the
Binary signal radiating circuit exports different current values, and sub-circuit occurs for the second electric current and the output end of sub-circuit occurs for the 3rd electric current
It is connected after being connected with the first signal receiving circuit of the enquiry module in front of it or the urgent switch member in latch switch
It is connected（First signal of secondary signal radiating circuit and the enquiry module in front of it in the i.e. first urgent latch switch connects
Circuit is received to be connected, secondary signal radiating circuit in other urgent latch switches with it close to and positioned at promptly closing in front of it
Switch member in lock-switch is connected, and front mentioned here is distinguished according to the flow direction of the electric current of inquiry signal, that is, is inquired about
The source direction of signal）；What the secondary signal radiating circuit can also be other forms can arbitrarily produce two kinds of different electricity
The circuit of flow valuve, the present invention is not defined to specific circuit structure form.
First signal receiving circuit includes first resistor and first comparator circuit；One end of the first resistor with
The output end of secondary signal radiating circuit in first urgent latch switch is connected, the other end and first comparator of first resistor
One of input of circuit is connected；The output end of the first comparator is connected with the input of control chip, for inciting somebody to action
Comparative result is output to control chip；
The secondary signal receiving circuit includes second resistance and the second comparator circuit；One end of the second resistance is with being located at
Switch member in the output end or urgent latch switch of first signal transmission circuit of the enquiry module in front of it is connected, and second
The other end of resistance is connected with one of input of the second comparator circuit；The output end of second comparator and control
The input of chip is connected, for comparative result to be output into control chip.
For the ease of circuit design, in actual applications, the first signal receiving circuit and secondary signal can be received electricity
The circuit structure on road is set to identical structure.
The switch member is electronic switch, including the first metal-oxide-semiconductor and the second metal-oxide-semiconductor, the grid of first metal-oxide-semiconductor and control
Coremaking piece is connected with incoming control signal, and its drain electrode is connected with the grid of the second metal-oxide-semiconductor, its source ground；The source of second metal-oxide-semiconductor
Pole is connected with dc source, and it drains for being connected with enquiry module or urgent latch switch.The break-make of electronic switch is by controlling
The switch controlling signal of coremaking piece output is controlled（Single-chip processor i/o pin is linked into using signal wire）, use low and high level
The break-make of electronic switch is controlled, the information trunk being specifically shown in Fig. 4, Fig. 4 enters the input for going out to represent electronic switch respectively with information trunk
End and output end.
With reference to the physical circuit in practical application, the course of work with regard to the first transmission circuit and the second transmission circuit is entered
Row is described in detail.
As shown in Fig. 2 the first electric current that first signal transmission circuit includes producing 10mA current signals occurs
Son occurs for sub-circuit, the second electric current that the secondary signal radiating circuit includes producing 10mA and 5mA current signals respectively
Circuit（Not shown in figure）Occurs sub-circuit with the 3rd electric current（Not shown in figure）, sub-circuit and the first electric current occur for the second electric current
Generation sub-circuit structure is identical；Sub-circuit occurs for the 3rd electric current and the second electric current occurs in sub-circuit, except the resistance of resistance
Value sets different, the layout of circuit, other devices in addition to resistance and annexation all same, when son electricity occurs for the first electric current
When the controlling switch FINDsend low levels on road, FINDrec are high level, enquiry module sends 10mA lockings inquiry signal, should
10mA lockings inquire about signal by information trunk send to along urgent latch switch；Controlling switch FINDsend, FINDrec is equal
By control chip（Preferably single-chip microcomputer）I/O mouths control；After enquiry module has sent 10mA inquiry signals, by controlling switch
FINDsend is set to high level, FINDrec and is set to low level, and enquiry module initially enters reception state.When urgent locking
Module is received after the 10mA lockings inquiry signal of enquiry module, and 5mA is sent using secondary signal radiating circuit（There is no locking）Or
Person 10mA（There is locking）Signal gives the first signal receiving circuit（As shown in Figure 3）, 5mA or 10mA electric currents flow through the first signal and connect
Receive the first resistor in circuit（R107 in Fig. 2, Fig. 2 information trunk and the information trunk of figure three are equipotentials, are joined directly together）
When, the voltage of different amplitudes is produced, the voltage is sent to first comparator circuit（LM324 chips in Fig. 3）, respectively with 1.1V
Compared with 3.3V voltages, so that learn that the electric current on information trunk is 5mA or 10mA, according to the size of current fed back,
It is to be in locking or non-blocked state that enquiry module can determine current urgent lock modules by control chip；Work as reception
To be 5mA current signals when, represent urgent latch switch be in normal condition（Disconnect）；It is 10mA electric currents when what is received
During signal, represent urgent latch switch and be in blocking.
Entirely the query process of colliery machine mining face jerk latch switch position identification device is specially：
Enquiry module sends first inquiry signal, and the first urgent latch switch receives inquiry signal, if the first urgent locking is opened
Close and be in blocking, then to enquiry module transmission block signal is sent, otherwise send normal signal, thus enquiry module obtains
First urgent latch switch whether the information of locking, afterwards, the first urgent latch switch is by its internal switch member K1Closure；
Enquiry module sends second inquiry signal, and the first urgent latch switch and the second urgent latch switch can receive inquiry
Signal, because the first urgent latch switch had responded to one query signal, can ignore current inquiry in setting time, only
There is the second urgent latch switch response this time to inquire about, if the second urgent latch switch is in blocking, mould is inquired about to sending
Block sends block signal, otherwise sends normal signal, enquiry module thus obtain the second urgent latch switch whether locking is believed
Breath, afterwards, the second urgent latch switch is by its internal switch member K2Closure；
The like, enquiry module sends N（N>2）Individual inquiry signal, preceding N-1 urgent latch switches can receive inquiry letter
Number, because preceding N-1 jerk lock modules all had responded to one query signal, and it can ignore in setting time and specifically look into
Ask, the urgent latch switch responses of only N are this time inquired about, if the urgent latch switches of N are in blocking, are inquired about to sending
Module sends block signal, otherwise sends normal signal, enquiry module thus obtain the urgent latch switches of N whether locking is believed
Breath.
In summary：
A kind of colliery machine mining face jerk latch switch position identification device of the present invention, including locking enquiry module and urgent
Lock modules, with the locking of each urgent latch switch in the urgent lock modules of single signal wire transmission and without locking information, and
Complete position identification, it is to avoid use fieldbus, therefore reduce power consumption, cost is lower, it is not required that address code is set, installs
Become simple with maintenance.
Embodiment two
As shown in figure 5, a kind of colliery machine mining face jerk latch switch location recognition method, comprises the following steps：
Step 1: the switch member in the jerk latch switch that setting is respectively sequentially connected is in off-state, each urgency is concurrently set
Closing down, no longer signal is inquired about in response to lock-switch within the time of setting after response one query signal；
Step 2: enquiry module constantly sends inquiry signal to urgent latch switch module, urgent locking according to the frequency of setting
Each jerk latch switch in switch module is received after inquiry signal, if the jerk latch switch is in blocking,
Block signal is sent to enquiry module, normal signal is otherwise sent to enquiry module；
Step 3: obtaining the blocking of each jerk latch switch in urgent latch switch module.
Preferably, the step 2 specifically includes following steps：
2.1 enquiry modules send first inquiry signal, and the first urgent latch switch receives inquiry signal, if the first urgent locking
Switch is in blocking, then to enquiry module transmission block signal is sent, otherwise sends normal signal, thus enquiry module obtains
To the first urgent latch switch whether the information of locking, afterwards, the first urgent latch switch is by its internal switch member K1Close
Close；
2.2 enquiry modules send second inquiry signal, and the first urgent latch switch and the second urgent latch switch can be received
Signal is inquired about, because the first urgent latch switch had responded to one query signal, can ignore in setting time and specifically look into
Ask, the only second urgent latch switch response is this time inquired about, if the second urgent latch switch is in blocking, is looked into transmission
Ask module and send block signal, otherwise send normal signal, thus enquiry module obtains whether closing for the second urgent latch switch
Lock information, afterwards, the second urgent latch switch is by its internal switch member K2Closure；
2.3 the like, enquiry module sends N（N>2）Individual inquiry signal, preceding N-1 urgent latch switches can be received and looked into
Signal is ask, because preceding N-1 jerk lock modules all had responded to one query signal, and this can be ignored in setting time
Secondary inquiry, the urgent latch switch responses of only N are this time inquired about, if the urgent latch switches of N are in blocking, to transmission
Enquiry module sends block signal, otherwise sends normal signal, thus enquiry module obtains whether closing for the urgent latch switches of N
Lock information.
In an embodiment of the present embodiment, the urgent lock modules include 45 urgent latch switches, promptly
The quantity of urgent latch switch is stored in enquiry module in lock modules, and enquiry module, which has altogether, sends 45 inquiry signals；Institute
The signal duration for stating enquiry module and each urgent latch switch transmission is 5 milliseconds, and urgent latch switch response, which is crossed, once looks into
Ask after signal, will not reply inquiry signal in ensuing 1 second again, the switch member of urgent latch switch also can constant conduction 1 second,
Switch member can disconnect automatically after 1 second.
Preferably, the inquiry signal that the enquiry module is sent is 10mA electric currents；Because during urgent latch switch major part
Between be in non-blocked pattern, send normal signal, in order to save power consumption, so setting normal signal as 5mA electric currents, block signal
For 10mA electric currents.
A kind of colliery machine mining face jerk latch switch location recognition method in the present embodiment can rely on implementation
Colliery machine mining face jerk latch switch position identification device in example one is realized.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (10)
1. a kind of colliery machine mining face jerk latch switch position identification device, it is characterised in that：Including enquiry module and tightly
Anxious latch switch module；The enquiry module includes the first signal transmitting and receiving circuit；The urgent latch switch module is included sequentially
The first urgent latch switches of urgent latch switch ... N being electrically connected, the first urgent latch switch ... the urgent lockings of N
Switch includes switch member and secondary signal transmission circuit；The first signal transmitting and receiving circuit and first in the enquiry module is urgent
The data transmission terminal of latch switch is connected, and enquiry module sequentially inquires about the first urgent latch switches of urgent latch switch ... N
Blocking.
2. a kind of colliery machine mining face jerk latch switch position identification device according to claim 1, its feature exists
In：The urgent latch switch module includes several first urgent latch switches being sequentially connected by single signal wire, the
The two urgent latch switches of urgent latch switch ... N.
3. a kind of colliery machine mining face jerk latch switch position identification device according to claim 2, its feature exists
In：The data transmission terminal of the first signal transmitting and receiving circuit respectively with one end of the switch member in the first urgent latch switch and
The data transmission terminal of binary signal transmission circuit is connected, and the other end of the switch member in the first urgent latch switch is tight with second respectively
One end of switch member in anxious latch switch is connected with the data transmission terminal of secondary signal transmission circuit；The second urgent locking
Switch ... in the urgent latch switches of N-1 in two neighboring urgent latch switch, the switch member of previous urgent latch switch
It is connected respectively with one end of switch member of latter individual urgent latch switch and the data transmission terminal of secondary signal transmission circuit, N-
The data transmission terminal of 1 urgent latch switch is received and dispatched with one end of the switch member in the urgent latch switches of N and secondary signal respectively
The data transmission terminal of circuit is connected.
4. a kind of colliery machine mining face jerk latch switch position identification device according to claim 2, its feature exists
In：The first signal transmitting and receiving circuit includes the first signal transmission circuit and the first signal receiving circuit；The secondary signal is received
Power Generation Road includes secondary signal radiating circuit and secondary signal receiving circuit；
The first signal transmission circuit output end and the switch member and secondary signal receiving circuit in the first urgent latch switch
It is connected, for sending electric current inquiry signal to the first urgent urgent latch switches of latch switch ... N；
The output of the input of first signal receiving circuit and the secondary signal radiating circuit in the first urgent latch switch
End is connected, for receiving switch member locking or the non-blocked that the first urgent urgent latch switches of latch switch ... N are sent
Feedback signal；
Switch member in the urgent latch switches of first urgent latch switch ... the N controls break-make by control chip.
5. a kind of colliery machine mining face jerk latch switch position identification device according to claim 4, its feature exists
In：
First signal transmission circuit includes the first electric current and occurs sub-circuit, and input and the control of sub-circuit occur for the first electric current
Coremaking piece is connected, and the output end that sub-circuit occurs for the first electric current is connected with the input of the first urgent latch switch；
Sub-circuit and the 3rd occurs for the second electric current that the secondary signal radiating circuit is respectively used to produce two kinds of different current values
Sub-circuit occurs for electric current, the second electric current occur sub-circuit and the 3rd electric current occur the input of sub-circuit with control chip phase
Even, sub-circuit occurs for the second electric current and the connected rear enquiry module with front of it of output end of sub-circuit occurs for the 3rd electric current
The first signal receiving circuit be connected or urgent latch switch in switch member be connected；
First signal receiving circuit includes first resistor and first comparator circuit；One end of the first resistor and first
The output end of secondary signal radiating circuit in urgent latch switch is connected, the other end and the first comparator circuit of first resistor
One of input be connected；The output end of the first comparator is connected with the input of control chip；
The secondary signal receiving circuit includes second resistance and the second comparator circuit；One end of the second resistance is with being located at
Switch member in the output end or urgent latch switch of first signal transmission circuit of the enquiry module in front of it is connected, and second
The other end of resistance is connected with one of input of the second comparator circuit；The output end of second comparator and control
The input of chip is connected.
6. a kind of colliery machine mining face jerk latch switch position identification device according to claim 3, its feature exists
In：The switch member is electronic switch, including the first metal-oxide-semiconductor and the second metal-oxide-semiconductor, grid and the control core of first metal-oxide-semiconductor
Piece is connected with incoming control signal, and its drain electrode is connected with the grid of the second metal-oxide-semiconductor, its source ground；The source electrode of second metal-oxide-semiconductor with
Dc source is connected, and it drains for being connected with enquiry module or urgent latch switch.
7. a kind of colliery machine mining face jerk latch switch location recognition method, it is characterised in that comprise the following steps：
Step 1: the switch member in the jerk latch switch being respectively sequentially connected in urgent latch switch module is placed in disconnecting shape
State, concurrently setting each jerk latch switch, no longer signal is inquired about in response within the time of setting after response one query signal；
Step 2: enquiry module constantly sends inquiry signal to urgent latch switch module, urgent locking according to the frequency of setting
Each jerk latch switch in switch module is received after inquiry signal, if the jerk latch switch is in blocking, is sent out
Send block signal to enquiry module, otherwise send normal signal to enquiry module；
Step 3: obtaining the blocking of each jerk latch switch in urgent latch switch module.
8. a kind of colliery machine mining face jerk latch switch location recognition method according to claim 6, its feature exists
In：The step 2 specifically includes following steps：
The first urgent latch switch that 2.1 enquiry modules are sent in first inquiry signal, urgent lock modules receives inquiry letter
Number, if the first urgent latch switch is in blocking, block signal is sent to enquiry module is sent, normal letter is otherwise sent
Number, enquiry module thus obtain the first urgent latch switch whether the information of locking, afterwards, by the first urgent latch switch
The switch member K in portion1Closure；
2.2 enquiry modules send second inquiry signal, and the first urgent latch switch and the second urgent latch switch can be received
Signal is inquired about, because the first urgent latch switch had responded to one query signal, can ignore in setting time and specifically look into
Ask, the only second urgent latch switch response is this time inquired about, if the second urgent latch switch is in blocking, is looked into transmission
Ask module and send block signal, otherwise send normal signal, thus enquiry module obtains whether closing for the second urgent latch switch
Lock information, afterwards, the second urgent latch switch is by its internal switch member K2Closure；
2.3 the like, enquiry module sends N（N>2）Individual inquiry signal, preceding N-1 urgent latch switches can be received and looked into
Signal is ask, because preceding N-1 jerk lock modules all had responded to one query signal, and this can be ignored in setting time
Secondary inquiry, the urgent latch switch responses of only N are this time inquired about, if the urgent latch switches of N are in blocking, to transmission
Enquiry module sends block signal, otherwise sends normal signal, thus enquiry module obtains whether closing for the urgent latch switches of N
Lock information.
9. a kind of colliery machine mining face jerk latch switch location recognition method according to claim 7, its feature exists
In：The urgent lock modules include 45 urgent latch switches；The letter that the enquiry module and each urgent latch switch are sent
Number duration is 5 milliseconds, and urgent latch switch response is crossed after one query signal, will not again be replied and be looked into ensuing 1 second
Ask signal, the switch member of urgent latch switch also can constant conduction after 1 second, 1 second switch member can disconnect automatically.
10. a kind of colliery machine mining face jerk latch switch location recognition method according to claim 7, its feature exists
In：The inquiry signal that the enquiry module is sent is 10mA current signals；The normal signal that urgent latch switch is sent is 5mA electricity
Flow signal；The block signal that urgent latch switch is sent is 10mA current signals.
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Application publication date: 20170714 |