Mine hoist clavate depth indicator
Technical field
The present invention relates to a kind of depth indicator, especially relate to mine hoist clavate depth indicator, belong to gig digital electric control technology field.
Background technology
In mining hoist system domestic at present, from metal mine to non-metal mine, from inclined shaft to vertical shaft, in order to observe better mine hoist in operational process its in the position of below ground, in mine system, all need the height indicating equipment to mine hoist is installed.
The display of current many mine hoists is numerical monitor, can not embody gig position present situation intuitively; Or the display of single locus height, if certain LED damages, system can not indicate the position height of mine hoist.
Summary of the invention
The present invention is in order to overcome above-mentioned the deficiencies in the prior art, provide the continuous clavate depth indicator of a kind of mine hoist system, can show intuitively lifting container in the wellbore between actual position, meet any well depth elevator system, have the advantages that to adapt to any elevator system and strong interference immunity.
Solution of the present invention solves existing technical matters by the following technical solutions.
Mine hoist clavate depth indicator, comprise casing, display panel, circuit card, described circuit card is installed on casing internal, display panel is arranged on casing front, display panel main body is two LED clavate display columns, left side LED clavate display column is labeled as left tank, the right LED clavate display column is labeled as right tank, directly over LED clavate display column, mark has mine depth displays II, be four indication light diodes immediately below LED clavate display column, light-emitting diode is used for showing the signal of gig, four indication light diodes are followed successively by from left to right carries people, extract, large part, maintenance.
Described circuit card comprises: analog signal interface unit, subtracter, concussion source, pulse distribution unit, display driver unit, analog signal interface unit receives the analog signal selection of a road or two-way by second terminal of wire jumper P1 and the 3rd terminal of the 4th terminal and wire jumper P1 and the switching of the 4th terminal, described subtracter is when being input as a road analog signal, under not changing the prerequisite of first via analog signal, obtain the second tunnel analog signal and come given display second LED clavate display column, described concussion source is RC oscillator, realize LED clavate display column to be greater than the frequency rapid scanning of 50HZ, the pulse signal distribution that concussion source exports is become 10 road impulse singlas of continuous single-candidate by described pulse distribution unit, 10 road impulse singlas are divided into two-way to export, the sheet position of one tunnel driving LED clavate display column is selected, another road is as the strobe pulse of input reference voltage, display driver unit is the input by analog signal input and VREF (Voltage Reference), realize driving the position in parallel choosing of LED clavate display column.
Further, described board design is two panel construction, front vertical is equipped with U4, the BL101 line LED clavate display column two of U7, arranged just beneath has the rectangle light emitting diode of D1-D4, reverse side is furnished with resistance R65-R68 successively, electric capacity C7, C8, diode N1, inductance L 1 and 5V voltage stabilizer LM2575, here is amplifier U10 and 15V power supply mould U11, oscillator U1 and distributing box U2 circuit arragement are in plank center, aerotron T31-40, resistance R29-48, aerotron T21-30, T11-T20, resistance R3-R22, aerotron T1-T10 lays respectively at both sides, wire jumper P1, actuator U3, U8 and resistance R23-R26, R49-R64 is arranged in below.
In described circuit, the DC24V positive source that terminal 8 provides for outside, terminal 6 is the negative pole of DC24V power supply, and terminal 5,14 is clavate depth indicator left side degree of depth indicative input value; Terminal 7,15 is clavate depth indicator left side degree of depth indicative input value, terminal 6,14, and 15 link together, and as same R point, terminal 5 and 14 and terminal 7 and 15 input for voltage mode analog signal, and scope is 0-5V.Terminal 1,2,3,4 is respectively the subsidiary signal indicative input that gig proposes people, extract, large part, maintenance, and realize signal designation function by electric resistance partial pressure and string resistance mode, its input is On-off signal.
The connection circuit of described circuit card is made up of 13 parts, comprises by 5V power circuit, No. 1 radio-frequency generator circuit, No. 1 high-frequency signal actuator, No. 1 reference voltage generator, No. 1 display driver circuit, No. 2 radio-frequency generator circuit, No. 2 high-frequency signal actuators, No. 2 reference voltage generators, No. 2 display driver circuits, subtraction circuit, LED outside display circuit, wire jumper P1, peripheral interface circuit.
The terminal 8 of described peripheral interface J1 connects external DC24V positive source, terminal 15,14,6 connects the negative pole of external DC24V power supply, and being supplied to the input power of the DC15V in 5V power circuit and subtraction circuit, 5V power module provides all 5V power supplys in system;
The terminal 5,7 of peripheral interface J1 connects outside given two-way V1, V12 analog signal, and is connected to wire jumper P1;
The terminal 1,2,3,4 of peripheral interface J1 is connected respectively in the instruction of 4 groups of LED clavate display columns of the outside display circuit of LED, realizes external status instruction.
Wire jumper P1 selects to realize multiple input modes by the jumper connection of its terminal, the V1 of wire jumper P1 delivers to the input end of analog signal in No. 1 display driver circuit, the V11 of wire jumper P1, through subtracter, produces reverse voltage signal V2 and the input end of analog signal sent in No. 2 display driver circuits.
No. 1 described radio-frequency generator circuit is produced the frequency signal of a 600HZ by NE555, carry out pulse distribution through CD4017 and obtain the pulse that mouth Q1-Q9 produces 60HZ successively, Q1-Q9 mouth is connected to 9013 base stages in correspondingly No. 1 high-frequency signal actuator and 9013 base stages in No. 1 pedestal generator simultaneously, directly enter No. 1 display driver circuit from No. 1 high-frequency signal actuator 10 road amplifying signals out, be connected with 10 chip selection signals of LED clavate display column, No. 1 reference voltage generator produces a reference signal and sends LM3914 in No. 1 display driver circuit to, compare with analog signal Setting signal V1 in LM3914 and calculate position, generation 10 tunnel and select signal, signal is selected in corresponding 10 positions that position selects signal to be connected to LED clavate display column,
No. 2 described radio-frequency generator circuit are produced the frequency signal of a 600HZ by NE555, carry out pulse distribution through CD4017 and obtain the pulse that mouth Q1-Q9 produces 60HZ successively, Q1-Q9 mouth is connected to 9013 base stages in correspondingly No. 2 high-frequency signal actuators and 9013 base stages in No. 2 pedestal generators simultaneously; Directly enter No. 2 display driver circuits from No. 2 high-frequency signal actuators 10 road amplifying signals out, be connected with 10 chip selection signals of LED clavate display column, No. 2 reference voltage generators produce a reference signal and send LM3914 in No. 2 display driver circuits to, compare with analog signal Setting signal V2 in LM3914 and calculate position, generation 10 tunnel and select signal, signal is selected in corresponding 10 positions that position selects signal to be connected to LED clavate display column.
The invention has the beneficial effects as follows: the mine hoist clavate depth indicator that the present invention proposes can be clearer, show the location status of gig more intuitively, its mode adopting clavate to show continuously, the mine hoist height that thus can not cause because certain LED shows damage cannot show problem, strong interference immunity of the present invention, at the elevator electric control scene of complexity can not because of external interference et out of order, given input simple and flexible, the DB15 jack interface of employing standard, patch conveniently, shaft signals instruction is added in clavate instruction below, can the running state of handled easily person to gig more clearly understand, better realize man-machine interaction.
Accompanying drawing explanation
Fig. 1 is display panel structure figure of the present invention;
Fig. 2 casing structure figure of the present invention;
Fig. 3 is principle of the invention figure;
Fig. 4 is LED clavate display column of the present invention circuit wafer choosing, node diagram is selected in position;
Fig. 5 is circuit card connection circuit figure Part I of the present invention;
Fig. 6 is circuit card connection circuit figure Part II of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, structural principle of the present invention and principle of work are described in further detail.
As depicted in figs. 1 and 2, gig clavate depth indicator, by casing, the composition such as panel and circuit card, display panel main body is the LED clavate display column of two 101 lines, scale is 0%-100% decile, left side LED clavate display column is labeled as left tank, the right LED clavate display column is labeled as right tank, mine depth displays II is marked with directly over it, be 4 indication light diodes immediately below mine depth displays II, the signal of display gig, is followed successively by from left to right and proposes people, extract, large part, maintenance.
Shown in Fig. 3, described circuit content comprises: analog signal interface unit, subtracter, concussion source, pulse distribution unit, display driver unit, analog signal interface unit is made up of DB15 and wire jumper P1, the analog signal selection receiving a road or two-way is switched by second terminal of wire jumper P1 and the 3rd terminal of the 4th terminal and wire jumper P1 and the 4th terminal, described subtracter is when being input as a road analog signal, under not changing the prerequisite of first via analog signal, obtain the second tunnel analog signal and come given display second LED clavate display column, described concussion source is RC oscillator, realize LED clavate display column to be greater than the frequency rapid scanning of 50HZ, the pulse signal distribution that concussion source exports is become 10 road impulse singlas of continuous single-candidate by described pulse distribution unit, 10 road impulse singlas are divided into two-way to export, the sheet position that T1 (T21)-T10 (T30) amplifying circuit of leading up to comes driving LED clavate display column (see Fig. 4) is selected, the driving of T11 (T31)-T20 (T40) of separately leading up to is used as the strobe pulse of input reference voltage, described display driver unit is the input by analog signal input and VREF (Voltage Reference), realize driving the position in parallel choosing of LED clavate display column.
Board design is two panel construction, front vertical is equipped with the BL101 line LED clavate display column two of U4, U7, and just transferring the rectangle light emitting diode being furnished with D1-D4, reverse side is furnished with resistance R65-R68 successively, electric capacity C7, C8, diode N1, inductance L 1 and 5V voltage stabilizer LM2575; Immediately amplifier U10 and 15V power supply mould U11 below; Its oscillator U1 and distributing box U2 circuit arragement are in plank center; Aerotron T31-40, resistance R29-48, aerotron T21-30, T11-T20, resistance R3-R22, aerotron T1-T10 lay respectively at its both sides; Wire jumper P1, actuator U3, U8 and resistance R23-R26, R49-R64 are arranged in below.
The components and parts that described change-over circuit comprises and components and parts specification are as following table:
The principle of work of described change-over circuit is: as described in Figure 3 in the circuit first via, gig clavate depth indicator adopts NE555 and R1, R2, C1 produces the clock signal (naked eyes of people can not feel flicker) that is greater than 50HZ frequency, be supplied to CD4017 pulse distributor, often come one, generate the high level that one group of Q0-Q9 once exports, drive T1-T10 conducting successively, the sheet carrying out LED clavate display column selects C1 ... C10 scans, also drive a T11-T19 conducting simultaneously, change the reference voltage of each choosing.For outside given value V1, the point L1 of each is carried out by LM3914 ... L10 shows, the continuous like this sheet carrying out circulating is selected and some display (scanning speed reaches 50HZ with upper frequency), and final realization shows the height condition of clavate depth indicator according to outside elevator system altitude signal V1 change.
For wound form winding drum hoist, its lifting container (cage) only has one, and for underslung pair of gig container (cage), need the gig height display of two, left and right, therefore in the design, add a road clavate height instruction, its principle is identical with the instruction of first via clavate height.Assigned altitute input V2 has two kinds of selections, adopts wire jumper P1 to realize.Input highly given with V1 can be selected identical; Also can use independent is the highly given input of V12; For two cage system, because two cage load situation height are complementary height (i.e. H2=H-H1), H is must well depth, H1, H2 is respectively the height of two cages, so right tank gig container height input adopts subtraction circuit to realize V2=VH-V1, VH is given maxim (5V).
Terminal connections mode as shown in Figure 5, the DC24V positive source that terminal 8 provides for outside, terminal 6 is the negative pole of DC24V power supply, and terminal 5,14 is clavate depth indicator left side degree of depth indicative input value; Terminal 7,15 is clavate depth indicator left side degree of depth indicative input value, terminal 6,14, and 15 link together, and as same R point, terminal 5 and 14 and terminal 7 and 15 input for voltage mode analog signal, and scope is 0-5V.Terminal 1,2,3,4 is respectively the subsidiary signal indicative input that gig proposes people, extract, large part, maintenance, and realize signal designation function by electric resistance partial pressure and string resistance mode, its input is On-off signal.
As shown in Figure 5, Figure 6, circuit card connection circuit is made up of 13 parts, comprises by 5V power circuit, No. 1 radio-frequency generator circuit, No. 1 high-frequency signal actuator, No. 1 reference voltage generator, No. 1 display driver circuit, No. 2 radio-frequency generator circuit, No. 2 high-frequency signal actuators, No. 2 reference voltage generators, No. 2 display driver circuits, subtraction circuit, LED outside display circuit, wire jumper P1, peripheral interface circuit.
The terminal 8 of peripheral interface J1 connects external DC24V positive source, and terminal 15,14,6 connects the negative pole of external DC24V power supply, and is supplied to the input power of the DC15V in 5V power circuit and subtraction circuit, and 5V power module provides all 5V power supplys in system;
The terminal 5,7 of peripheral interface J1 connects outside given two-way V1, V12 analog signal, and is connected to wire jumper P1;
The terminal 1,2,3,4 of peripheral interface J1 is connected respectively in the instruction of 4 groups of LED clavate display columns of the outside display circuit of LED, realizes external status instruction.
Wire jumper P1 selects to realize multiple input modes by the jumper connection of its terminal, the V1 of wire jumper P1 delivers to the input end of analog signal in No. 1 display driver circuit, the V11 of wire jumper P1, through subtracter, produces reverse voltage signal V2 and the input end of analog signal sent in No. 2 display driver circuits.
No. 1 radio-frequency generator circuit is produced the frequency signal of a 600HZ by NE555, carry out pulse distribution through CD4017 and obtain the pulse that mouth Q1-Q9 produces 60HZ successively, Q1-Q9 mouth is connected to 9013 base stages in correspondingly No. 1 high-frequency signal actuator and 9013 base stages in No. 1 pedestal generator simultaneously, directly enter No. 1 display driver circuit from No. 1 high-frequency signal actuator 10 road amplifying signals out, be connected with 10 chip selection signals of LED clavate display column, No. 1 reference voltage generator produces a reference signal and sends LM3914 in No. 1 display driver circuit to, compare with analog signal Setting signal V1 in LM3914 and calculate position, generation 10 tunnel and select signal, signal is selected in corresponding 10 positions that position selects signal to be connected to LED clavate display column, so far, the signal of the LED clavate display column of 10 sections every section 10 has connected.
No. 2 radio-frequency generator circuit are produced the frequency signal of a 600HZ by NE555, carry out pulse distribution through CD4017 and obtain the pulse that mouth Q1-Q9 produces 60HZ successively, Q1-Q9 mouth is connected to 9013 base stages in correspondingly No. 2 high-frequency signal actuators and 9013 base stages in No. 2 pedestal generators simultaneously; Directly enter No. 2 display driver circuits from No. 2 high-frequency signal actuators 10 road amplifying signals out, be connected with 10 chip selection signals of LED clavate display column, No. 2 reference voltage generators produce a reference signal and send LM3914 in No. 2 display driver circuits to, compare with analog signal Setting signal V2 in LM3914 and calculate position, generation 10 tunnel and select signal, signal is selected in corresponding 10 positions that position selects signal to be connected to LED clavate display column, so far, the signal of LED clavate display column of 10 sections every section 10 has connected.
More than show and describe groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and application claims protection domain is defined by appending claims and equivalent thereof.