JPS62139295A - Lighting source apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The invention relates to a lighting source device for airport lighting or similar lighting methods.

[Conventional technology]

The airport Xiangming ILE source equipment fIt has a large number of regular stabilization tIt source circuits (leg current control power supply circuits) corresponding to a large number of lamp loads, and further has a preliminary stabilization '#L source circuit.

Regular stabilization IE source circuit and preliminary stabilization 1! The source circuit is connected to the load via a regular/standby switch.

Therefore, in the event of a failure or inspection/repair of the regular stabilizing power supply circuit, it is possible to supply "'C power through the preliminary stabilizing circuit."
It has a lighting direction switch for switching between two types of lamp loads arranged in line with each other in the takeoff direction.

[Problem that the invention seeks to solve]

By the way, the regular/standby switch, which is a common feature of the conventional airport lighting t' source device, is configured to shut off one side and then turn on the other side in response to remote control.

In contrast, a directional switch is configured to respond to a remote control and turn on the one before shutting off the other, and then shut off the one. Therefore, it has been impossible to convert the regular-standby switch into a directional switch. Providing sufficient spares for each switch inevitably increases costs.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a lighting power supply device in which a part or all of a regular/standby switch can be used as a lighting direction switch.

[Means for solving problems]

To solve the above-mentioned problems and achieve the above-mentioned objects, the present invention will be described with reference to the reference numerals in the drawings showing the embodiments. Wound circuit P
1. P2 and the pre-stabilized wire circuit P3 connected to the power supply
, the output of the first regular stabilization power supply circuit P, and the preliminary stabilization 1! a first regular-standby switch A that connects first and second switches S1.82 to select one of the outputs of the power supply circuit P3; and the second regular use stabilized power supply circuit P2. The output of the pre-stabilization 'wL source circuit P3 or another pre-stabilization 11/111i with the same configuration as this;
a second regular-standby switch A2 having third and fourth switches S3, S4 for selecting either one of the circuits;
and the output terminal (ll) of the first regular-standby switch A1.
a) is connected to the first lamp load L! and a second lamp load L2 for illuminating the direction of
A second direction yJ! that is different from the direction of yJ! ：■3rd to brighten up
In order to select one of the lamp load L3 of m2 and the third lamp load L3, the output terminals (11 and 11) of the second regular-standby switch A2 are connected. In the lft4 light power supply device, which is comprised of a lighting direction switch Bl that connects fifth and sixth switches S5 and S6 provided between the third lamp load L2 and L3,
In response to a switching control command from the second switch S1 to the second switch S2, the first switch 81 is controlled to be turned off, and the normal stabilizing tIlt source circuit P+Y of the first switch is controlled to be turned off; The first regular-standby switch A1 is turned on so as to turn on the second switch S2 described below from the point in time when the switch S1 is turned off.
In response to a switching control command from the third switch S3 to the fourth switch S4, the third switch is turned off, and the M2 regular stabilizing power supply circuit P2 is turned off; The second regular-standby switch A! controls the fourth switch 84 to be turned on after a predetermined time Ts after the third switch S3 is turned off! and the fifth switch S5 to the sixth switch S6
In response to the switching control command, the fifth switch S5 is turned off and the regular stabilizing power supply circuit P2 of the m2 is turned off.
and the pre-stabilized power supply circuit P3 or another pre-stabilized power supply circuit is controlled to be turned off for a certain period of time, and the sixth switch 86 is controlled to be turned on after a predetermined period of 1゛3 from the time when the fifth switch S11 is turned off. The present invention relates to a lighting power supply device characterized by the above-mentioned lighting direction switching device.

[For production]

In the above invention 2, each of the first and second regular-standby switching devices AI, A2 and the direction switching device B1 has a number of poles such that one switch is turned off and then the other switch is turned on. There is. Therefore, when the directional switch B1 breaks down, the regular-standby switch P1, which has a small number of units, or all or part of this spare can be diverted to the directional switch B1. However, this reverse diversion can also be used as utility oil. Therefore, it is possible to easily make a long-term stoppage k that would cause serious damage.

〔Example〕

Next, an airport lighting power supply device t according to an embodiment of the present invention will be explained with reference to FIGS. 1 to 4. FIG. 1 is a block diagram schematically showing the entire power supply device for airport lighting. In reality, a large number of lamp loads, more than three, are provided, but in FIG. 1, the first, second and third lamp loads L1,
Only L2 and L3 are shown. Among these, the second lamp load L2 illuminates the first direction, and the third lamp load L2 illuminates the first direction.

illuminates a second direction opposite to the first direction. Therefore, the second lamp load L2 and the third lamp load L
There is no need to drive 3 and Kaoru at the same time. Corresponding to the plurality of lamp loads L1 to L3, first and second regular stabilizing power supply circuits P1 and Pz are provided, and a preliminary stabilizing power supply circuit P is provided.
There are three. Each m source circuit P, , Pz, P, is
Mechanical switch (2) connected to AC power line (11)
a) (2b) (2c), a current control thyristor (3a) (3b) (Rs,
Switches (2a) (2b) (2 control circuits (4a)
) (4b) (ac), thyristor! IJ control circuit (Fia
) (5b) (s, switch (2a) (2b) (2
It consists of three off-detection circuits (6a), (6b), and (6c), and a constant current is supplied via phase control of thyristors (3a, 3b, and 3C). The standby stabilizing power supply circuit P3 for dealing with failures in the regular stabilizing power supply circuits)' and 3)' is normally configured to provide one standby stabilizing power supply circuit P3 for one to three regular stabilizing power supply circuits. It is provided in proportion to the number of tables.

The first regular-standby switch A] is the first and second switch S! and S2, and a first control circuit (8).

This one input terminal (9a) is connected to the regular power supply line (7a)
The other input terminal (In5) (S6) is connected to the backup power supply line (), and the common output terminal (Ila
) is connected to the first lamp load L1. One and the other input terminal (9a) (Ioa) and output terminal (ll
a) between the first and second switches 5 having a mechanical configuration;
Ilffi is connected. First control circuit (8a)
has seven terminals a to g.

The second regular-standby switch A2 consists of third and fourth switches S4 and Ss and a second control circuit (8b). One of these input terminals (9 is the regular power supply line (7b)
The other input terminal (lllb) is connected to the standby power supply line (7), and the common output terminal (llb) is connected to the input terminal (IIC) of the direction switch B1.

- Third and fourth mechanical switches S4 and S8 are connected between the other input terminal (9b) (job) and the output terminal (11).The second control circuit ( 8b
) has the same configuration as the first +1flJ 11 circuit (8a) and has seven terminals a''-g.

The direction changer B includes fifth and sixth switches S and 8.
6 and a third control circuit (8c). This input terminal (IIc) is the output terminal (11
b), one output terminal (9c) is connected to the second lamp load L2, and the other output terminal (1OC) is connected to the third lamp load L3. Input terminal (11
Fifth and sixth switches 5IIsS6 having a mechanical configuration are also connected between the output terminals (9c) and the pair of output terminals (9c) (1o).The third control circuit (8C) It has seven terminals aNgn in the same configuration as the circuit (8a).

In addition to the function of controlling the first and second control circuits (sa) (8b) & user switch brass ~ S4 on/off,
Each X source circuit P1, Pz, PsY: Has the function of @IJ control. For this reason, the control circuit (sa) (8 terminal a is connected to the tS circuit P1, Pz switch-off control circuit (aa) (
ab), and the terminal is connected to the off detection circuit (6a) (6
b), the terminal C is connected to the switch-off I11 control circuit (4C) of the standby power supply circuit P3, the n1 terminal d is connected to the off detection circuit (6C), the terminal e is left unconnected, and the terminal f and g are connected to the remote control switch.

Direction changer B] control circuit (terminals a to d of 8 are in a disconnected state, and terminal e is connected to the si-risk control circuit (5b) of the second regular stabilizing power supply circuit P2 and the standby stabilizing power supply circuit P3.
is connected to the thyristor control circuit (5C) of the terminal f1.
g is connected to a remote control switch.

The first and second regular-standby switch Al, k2 and the first
Since the second control circuit (8a) and the second control circuit (8a) have the same configuration, only the first control circuit (8a) will be explained with reference to FIG. 1st, 2nd,
D gate αH scooping port 4 to 3rd, 4th, #S5 and 6th A
G! 1111-(1η and the 1st, 2nd, 3rd and 40th
Operation circuit α piece Q9 (aHl, first and second switch cutoff circuit @, first and second cutoff detection circuit 13 G!
41 t251, an OR gate (c), and a first and second switch-on circuit @ (support). The terminals of this main control section are i, 4% k, l.
are provided, and these are connected to terminals a% b, c, and d.

The sub-control unit indicated by the symbol ω is necessary when this is diverted to the control circuit (8C) of the direction switch B1, and is 0.
The ordinary gate 3υ, two N(JT circuits 0■, and I(, S
Flipflop □□□ and differential capacitor Cl5C
2 and a resistance fL1%⇠2.

The terminal a is connected to the off control circuit (4a) of the regular stabilization 11 source path P1 of 1g1, and the terminal a is connected to the off detection circuit (6a).
), and the terminal C is connected to the OFF i! of the pre-stabilized power supply circuit P3. i is connected to the control circuit (4C), terminal d is connected to the off detection circuit (6i), terminal e is disconnected, and terminal f
%g is connected to the remote control switch (c).

Figure 3 shows the directional switch B10 control circuit (8 parts shown).
,.

Due to the death of this control circuit (8C), the code q is +241
The elements indicated by τ are the same as those indicated by the same reference numerals in FIG. That is, this third control circuit (8C) has the same configuration as the first control circuit (8a). However, the third
The usage of terminals a to g in the figure is different from the second prisoner, and terminal a
~d are disconnected, the terminal e is connected to the thyristor control circuit (5b) of the second regular stabilized power supply port P2 and the thyristor control circuit (5C) of the standby stabilized power supply circuit P3, and the terminal f1g is connected to the direction It is connected to the remote control switch ■.

〔motion〕

Next, the operation of the circuits shown in FIGS. 1 to 3 will be explained with reference to FIGS. 4 and 5. The operation steps for switching from regular to standby using the first regular-standby switch A4 are as follows 78. .

111 Switch C (51' Switch from Y contact A to mouth.

(2) Shut down the regular stabilizing power supply circuit P.

13+ The first switch S1 is shut off.

To explain in detail the history of turning on the switch 82 of +411PJ2, at time t1 in FIG.

As a result, a high level second switch input command 520) is manually applied to the terminal g, as shown in the fourth section 9a3+.

1st AN1) One input terminal of the gate u is connected to the terminal g, and the other input terminal is connected to the first cutoff detection circuit @ (so that both power levels are high at tl) .

Note that at tl, the first switch S1 is in the on state, so the output of the first cutoff detection circuit (241) is at a high level.The output terminal of the first AND gate is the terminal a'
Since it is connected to the off control circuit (4a) of the regular stabilizing power supply circuit 1 of Ml through f, a high level off control signal is given at tl, and the trip operation turns off the switch (2a).
) is turned off. However, there is a delay time when the casing turns off completely from the off control at 1m.

AN1) The output of the gate Q4I, whose one input terminal is connected to the terminal g and the other input terminal is connected to the OFF detection circuit (6a) via the terminals j and b, switches to a high level at the time point 11. . 2. The output of the off detection circuit (6a) is t
Even if it is turned off with l, it does not immediately switch to a low level, but switches from a high level to a low level with a delay. The high level output of AND gate I obtained at 11 is the first output of this output stage.
is input to the delay circuit a&. This first delay circuit 081
The cutoff circuit of the first switch S1 connected to the output of
4 (synchronized with the rising time t2 of the delay signal of C1, the first switch S, yg trip is cut off. When the first switch Sl is cut off, the auxiliary contact that moves to this The output of the cutoff detection circuit 241 changes to a low level.Since the cutoff detection circuit of the second switch S2 is configured to generate a low level output while the cutoff detection circuit is also cut off,
Two cutoff detection circuits 1241 f,! The inputs of the NOR gates 12 and 12 to which 51 is connected both become low level, and the output of the OH gate 2 becomes high level as shown in FIG. Since one input terminal of C61 is connected to the output of NOR gate Q6) and the other input terminal is connected to terminal gK, '2 is AND
The input of the gate ub+ becomes high level, and only during the high level period 12 to t3 of FIG. 4H, the closing command of the second switch S2 of FIG. 4 fBl is input to the delay circuit ■, and the delay time T3
At later tB, a high level output shown in Fig. 4 (E+) is generated.The closing circuit of the second switch S2 (J71 is 1 pJ4-) connected to the delay circuit reaches a high level at 9 points in time. The second switch 82 is turned on in synchronization with t3.

When the second switch S2 is turned on at tB, the contact of this cutoff detection circuit 6 is turned on and the output returns to high level, so that the output of the NOR gate (c) returns to low level at 14.

One input terminal of the OR gate ctu is connected to the output of the ANDNO gate, and the other input terminal is connected to the output of the AND gate (1
31, and this output is connected to the set terminal of the flip-flop 1B41 via the capacitor C+Y, so when the output of the AND gate a'tr becomes high level at tI, the free-lag frog CJ,41 becomes set n
, this Q output changes to a low level as shown in FIG. 40. The reset terminal of the 7 reset frog C is the capacitor C.
Since it is connected to the NOR gate (G) through 2 and the NOT circuit CL, it is reset at t4.
L) are connected to gates +141 and Q, respectively. Therefore, at time point 14, one input of the AND gate +141 (151) is necessarily at a low level.However, in the case of the control (b) path (8a) in FIG.
1) detection circuits (6a) (6c) are connected, the AN1) gate (141f) is connected before tB or 16.
151 is turned off.

When the contact of the remote control switch □□□ is turned on at ts and a command to close the first switch S1 is generated as shown in Figure 4, one input terminal is connected to the terminal f, and the other input terminal is connected to the terminal f. The output of the second ANDNO gate connected to the cutoff detection circuit of the second switch S2 becomes high level. Since this second ANDNO gate output is connected to the off control circuit (4C) of the pre-stabilized power supply circuit P3, the switch (2C) is turned off at the 18th point, and a little later than this, the switch (2C) is turned off. It turns off.

One input terminal is connected to terminal f, and the other input terminal is connected to the off detection circuit (6c) via terminals k and df.
The AND gate 1151, which is in operation, causes a high level output failure at ts. This high level output is detected by the off detection circuit (6
B, J: A low-level off detection signal is maintained until the rim is removed. The output of the AND gate [151 is input to the second delay circuit in the next stage (11, and the delayed output shown in Fig. 4 is generated at ts which is greater than tB by T2), and the delayed output shown in Fig. 4 is generated. Added to the breaking circuit. As a result, the second switch S2 is tripped and turned off in synchronization with ts. As a result, the output of the cutoff detection circuit (c) changes from high level to low level. Then, the input terminal of the NO gate (2) becomes low level, and its output becomes high level (as shown in Fig. 40). The output of the ANJ) gate ση connected to 1 becomes high level at ts, and this delayed signal is obtained at < ta as shown in FIG. 4(D).

When the output of the fourth delay circuit IJII reaches a high level tt which is delayed by 1.4 from ts, the closing circuit of the first switch S1 is activated and the ml switch S1 is turned on. As a result, the output of the cutoff detection circuit (2) returns to high level, and the output of N0I (gate (2) returns to low level.

The operation steps of the direction changer B1 shown in FIG. 3 are as follows.

Mountain Switch c3hl from contact A to mouth.

(21) The gates of the thyristors of the regular and standby stabilizing power supply circuits P2 and P3 are stopped for a certain period of time.

Switch S5 of f3+llj,5 is cut off.

(4) Turn on the sixth switch 86.

This is essentially the same as the normal/standby switching operation, except that the gate signal of the thyristor is stopped to control the normal/preliminary stabilization 1[, source circuit P2, and Psk off.

In the control circuit (8C) of FIG. 3 for this direction change, terminals a, b, c, and d are kept disconnected; instead,
Terminal e is also connected to the Q output terminal of the 7 lip-flop (b) to the second regular stabilizing power supply circuit P2 to which this direction switch B1 belongs.
and the thyristor control circuit (5b) of the preliminary stabilization power supply circuit P3
)(5). Note that this terminal e is connected to the thyristor II + control circuit (5b) so that the gate signal of thyristor (3) is stopped when this terminal is at a low level.
(5c). In this direction changer B, the second lamp load L2 to the third lamp load L3
When the remote control switch c3bl is switched from contact A to contact 86, switching from switch Sli to 86 is performed in the same manner as in the circuit shown in FIG. That is, #42
The first switch 8+' in the figure is replaced with the switch S in Le 5 in FIG. 3.
s, and the second switch S2 of the second decoy is replaced with the sixth switch S6 in FIG. 3. However, in this case, the switch (2b) of the second regular stabilizing power supply circuit P2 and the switch (2b) of the standby stabilizing power supply circuit P3 are not controlled to turn off, and instead, the thyristor (3b) is turned off.
)(3c) is the gate signal of 1. in FIG. -14, tl1
It is stopped only for a period of % t8, thereby cutting off the power supply. The OFF detection circuit (6a) in Figure 2 (6) is not connected, so the Q output 'i' of the free-lag flop
t'1l (The inverted version of JT circuit weak 1 is used to control the AND gate (]4IIl151.ff1l
During the period when the flip-flop (b) is set, the AND game) (141Q51'!- switching command signal is passed).

As mentioned above, since the regular/standby switch A1 and the directional switch Bl have substantially the same configuration, when the directional switch B1 with a high critical condition fails, the regular/standby switch with a low il requirement is switched. Disconnect V from the A1 circuit and turn it off! ! It can be repurposed as 8-B. Regular-standby switch A
If you repurpose all of the summer terminals, terminals (9a) and (11a)
) may be connected with a conductive wire to continue supplying 1k to the first lamp load Ll. In addition, if only the control circuit (8C) of the directional switch H1 fails, only the control circuit (8a) of the regular/standby switch A1 is diverted and the switch S1 or 82 is manually kept in the closed state. It's okay.

[Modified example]

The present invention is not limited to the embodiments described above, and the following modifications are possible, for example.

(2) The sub-control unit αj may be omitted from the control circuit (8a) in FIG.

5) A monostable multivibrator triggered by the output of the OR gate (ill) is provided in place of the flip 70 tube C (41), and the pulse width of this metastable multivibrator '&Tt+Ts
By setting above, thyristor (3b) (3C
) may stop the gate signal of 0 tel迦&, circuit 081(1!J120EII 'k
A N D gate Q41 (1511161 (II) The first monostable multivibrator is triggered by the high level output of It may also be configured with a second monostable multivibrator triggered by the trailing edge.In this case, the cut-off can be performed by TI or T2, and the input key '1'.
Any circuit can be used as long as it can delay by ', +T3 or T2+'I'4%M.

〔Effect of the invention〕

As is clear from the above, in the present invention, the regular-standby switch A
I, A2 and direction switch B1 are substantially l-11.
Since it is a 1+ configuration, mutual diversion is possible, and failures can be easily dealt with.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the airport lighting power supply system according to the embodiment of the present invention, FIG. 2 is a block diagram showing the 1ltlJ control circuit (8a) of FIG. 1, and FIG. 8C). FIG. 4 is a waveform diagram showing the shapes w4 of A to H in FIGS. 2 and 3. (8a) (8b) (sc) ...control circuit, (181
(II h zi+-, delay circuit, (221231...
・Cutoff circuit, CI! 41G! 51-... cutoff detection circuit,
1... Input (b) path, P,, P,... 1st and 2nd
P3... Standby stabilizing power supply circuit, AI, A2... First and second regular-standby switching device, A3... Direction switching device.

Claims (1)

[Claims] (1) First and second regular stabilized power supply circuits (P_1) (P_2) connected to a power source, a standby stabilized power supply circuit (P_3) connected to a power source, and the first stabilized regular power source First and second switches (S_1) (S_
2), and the output of the second regular use stabilized power supply circuit (P_2) and the reserve stabilized power supply circuit (P_3) or another reserve with the same configuration as this. a second regular-standby switch (A_2) having third and fourth switches (S_3) (S_4) for selecting either one of the stabilized power supply circuit and the first regular-standby switch; output terminal (1) of the device (A_1)
1a) and a second lamp load (L_2) for illuminating the first direction.
a third lamp load (L_3) for illuminating a second direction different from the first direction; the second lamp load (L_2) and the third lamp load (L_3); the second
The fifth and sixth switches (S_5) (S_
6), in which the lighting direction changer (B_1) has a lighting direction changer (B_1); The switch (S_1) is controlled to be turned off, and the first stabilizing power supply circuit (P_1) is also controlled to be turned off, and the second switch (S_1) is turned off after a predetermined time (T_3) from the time when the first switch (S_1) is turned off. The first regular-standby switch (A_1) is configured to turn on the switch (S_2), and the third switch (S_3) to the fourth switch (S_2) is configured to turn on the switch (S_2).
4) in response to a switching control command to the third switch (
S_3) is turned off, the second regular stabilized power supply circuit (P_2) is turned off, and the third switch (P_2) is turned off.
The second
constitutes a regular-standby switch (A_2), and switches the fifth switch (S_5) in response to a switching control command from the fifth switch (S_5) to the sixth switch (S_6).
) is turned off, and the second regular stabilized power supply circuit (P_2) and the preliminary stabilized power supply circuit (P_3) or another preliminary stabilized power supply circuit are controlled to be turned off for a certain period of time, and the fifth switch ( S_5) is turned off for a predetermined period of time (
T_3) The lighting direction switch is configured to turn on the sixth switch (S_6) after T_3).