CN212965277U - Lock open-close control state display circuit - Google Patents
Lock open-close control state display circuit Download PDFInfo
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- CN212965277U CN212965277U CN202020848622.0U CN202020848622U CN212965277U CN 212965277 U CN212965277 U CN 212965277U CN 202020848622 U CN202020848622 U CN 202020848622U CN 212965277 U CN212965277 U CN 212965277U
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- unlocking
- indicator lamp
- cannon
- relay
- locking
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Abstract
The structure relates to an unlocking and locking control state display circuit, wherein the other end of a follow-up power-up switch S2 in the circuit is divided into two paths: one end of the follow-up power-up indicator lamp L2 is connected; the other path is connected with the input end of a diode D, the output end of the diode D is connected with one end of a coil of a relay K1, and the other end of the coil of the relay K1 is divided into two paths: one path is connected with one end of an unlocking and locking control switch S3 on the gun, the other path is connected with the input end of an optical coupler U, and the input end of the optical coupler U is connected with a 24V power supply after being connected with a resistor R1 in series; one path of the output end of the optocoupler U is connected with one end of an unlocking and locking control state indicator lamp L1, the unlocking and locking control state indicator lamp L1 is connected with a 5V power supply after being connected with a resistor R2 in series, and the other path of the output end of the optocoupler is grounded GND; one end of a normally open contact S1 of the relay K1 is connected with an external 24V power supply, and the other end is connected with a post-stage control circuit. The circuit effectively avoids circuit faults caused by misoperation; when the control switch of the switching station breaks down, the fault reason can be quickly positioned according to the state of the indicating lamp, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a state display circuit, especially an unlocking and locking control state display circuit.
Background
When the artillery is normally unlocked, the artillery follow-up power-up switch is closed, the system supplies power, the artillery post-stage control circuit is connected with an external +24V power supply, and the artillery normally operates; when the artillery is locked, the artillery rear-stage control circuit is disconnected with an external +24V power supply, and the artillery stops running; when the artillery unlocking and locking control switch is switched from an unlocking state to a locking state, if the artillery unlocking and locking control switch has a fault, the unlocking and locking control switch cannot execute switching action, and a subsequent artillery control circuit is still electrified, so that the artillery continues to operate to generate misoperation, further possible to cause other equipment faults of the artillery and potential electric shock hazards of personnel; when a technician performs troubleshooting, related items such as a gun driver, a motor, central control machine software, a follow-up program and the like need to be checked item by item, the workload of troubleshooting is large, and the fault of the unlocking and locking control switch cannot be accurately positioned.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: avoid the mistake to add power in order to reflect the gun running state directly perceived and arouse gun circuit system trouble, the utility model provides an switching lock control state display circuit can whether accurate positioning circuit trouble reason is switching lock control switch.
The technical scheme of the utility model lies in: an unlocking and locking control state display circuit comprises a follow-up power-on switch S2, a follow-up power-on indicator lamp L2, a relay K1, an optical coupler U, an unlocking and locking state indicator lamp L1, a resistor R1, a resistor R2, an on-cannon unlocking and locking control switch S3 and a diode D;
the other end of the follow-up power-up switch S2 is divided into two paths: one path is connected with one end of a follow-up power-on indicator lamp L2, and the other end of the follow-up power-on indicator lamp L2 is grounded; the other path is connected with the input end of a diode D, the output end of the diode D is connected with one end of a coil of a relay K1, and the other end of the coil of the relay K1 is divided into two paths: one end of an on-cannon unlocking and locking control switch S3 is connected, and the other end of the on-cannon unlocking and locking control switch S3 is grounded GND; the other path is connected with the input end of an optocoupler U, and the input end of the optocoupler U is connected with a 24V power supply after being connected with a resistor R1 in series; one path of the output end of the optocoupler U is connected with one end of an unlocking and locking control state indicator lamp L1, the unlocking and locking control state indicator lamp L1 is connected with a 5V power supply after being connected with a resistor R2 in series, and the other path of the output end of the optocoupler is grounded GND; one end of a normally open contact S1 of the relay K1 is connected with an external 24V power supply, and the other end is connected with a post-stage control circuit.
The utility model discloses further technical scheme lies in: when an unlocking control switch S3 on the artillery is closed, the artillery is unlocked, the grounding signal 902 of the coil of the relay K1 is directly grounded through the unlocking control switch, at the moment, a 24V power supply at the input end of the optical coupler U is also connected with a ground GND, the optical coupler works, an unlocking state indicator lamp L1 is lightened, the fact that the artillery is normally unlocked is indicated, and the state of the indicator lamp is consistent with the unlocking state of the artillery.
The utility model discloses further technical scheme lies in: when the on-cannon unlocking and locking control switch S3 is disconnected, the cannon is locked, the grounding signal 902 of the relay K1 coil is not directly grounded through the on-cannon unlocking and locking control switch, and due to the one-way conductivity of the diode D, the grounding signal 902 of the relay K1 coil cannot be grounded through the follow-up power-on indicator lamp L2, so that the optical coupler U does not work and has no output, the on-cannon unlocking and locking indicator lamp L1 on the display panel of the control cabinet cannot be lightened, the normal cannon locking is indicated, and the state of the indicator lamp is consistent with the state of the cannon unlocking and locking.
Effects of the invention
The technical effects of the utility model reside in that:
the utility model discloses switching lock control state display circuit, when artillery switching lock control switch broke down, can be directly perceived, really reflect artillery running state, the pilot lamp lights or does not light, unblanks or the locking state is unanimous with the artillery, has avoided artillery mistake to add and arouse other circuit system faults of artillery to personnel's safety has been ensured.
1. The utility model discloses when switching lock control display circuit switching lock control switch S3 was closed on the big gun, the ground signal 902 of relay K1 solenoid passed through switching lock control switch S3 direct ground connection, and switching lock state pilot lamp L1 lights on the control cabinet display panel, and the state of pilot lamp is unblanked with the big gun, the shutting state is unanimous.
2. When the switch S3 on the gun is turned off, the grounding signal 902 of the coil of the relay K1 cannot be grounded through the follow-up power-on indicator lamp L2 in the HP-N integrated debugging equipment, and the indicator lamp L1 on the display panel of the control cabinet cannot be lightened, so that the state of the indicator lamp is consistent with the locking state of the gun.
3. The utility model discloses can directly perceivedly see switching lock control pilot lamp and not light, explain the gun and be in the blocking state, can stop immediately follow-up power-on operation to the gun, effectively avoided the mistake to add the circuit trouble that arouses with power, improve work efficiency.
Drawings
Fig. 1 is a simplified diagram of a control display circuit for locking and unlocking a certain type of gun.
Detailed Description
Referring to fig. 1, the unlocking and locking control state display circuit of the present invention includes a follow-up power-on switch S2, a follow-up power-on indicator light L2, a diode D, a relay K1, an optical coupler U, an unlocking and locking state indicator light L1, a resistor R1, a resistor R2, and an unlocking and locking control switch S3 on the cannon.
One end of the follow-up power-up switch S2 is connected with an external 24V power supply, and the other end of the follow-up power-up switch S2 is divided into two paths: one path is connected with one end of a follow-up power-on indicator lamp L2, and the other end of the follow-up power-on indicator lamp L2 is grounded; the other path is connected with the input end of a diode D, the output end of the diode D is connected with one end of a coil of a relay K1, and the other end of the coil of the relay K1 is divided into two paths: one end of an on-cannon unlocking and locking control switch S3 is connected, and the other end of the on-cannon unlocking and locking control switch S3 is grounded GND; the other path is connected with the input end of an optocoupler U, and the input end of the optocoupler U is connected with a 24V power supply after being connected with a resistor R1 in series; one path of the output end of the optocoupler U is connected with one end of an unlocking and locking control state indicator lamp L1, the unlocking and locking control state indicator lamp L1 is connected with a 5V power supply after being connected with a resistor R2 in series, and the other path of the output end of the optocoupler is grounded GND; one end of a normally open contact S1 of the relay K1 is connected with an external 24V power supply, and the other end is connected with a post-stage control circuit.
When an unlocking control switch S3 on the artillery is closed, the artillery is unlocked, the grounding signal 902 of the coil of the relay K1 is directly grounded through the unlocking control switch, at the moment, a 24V power supply at the input end of the optical coupler U is also connected with a ground GND, the optical coupler works, an unlocking state indicator lamp L1 is lightened, the fact that the artillery is normally unlocked is indicated, and the state of the indicator lamp is consistent with the unlocking state of the artillery.
When the on-cannon unlocking and locking control switch S3 is switched off, the cannon is locked, the grounding signal 902 of the relay K1 coil is not directly grounded through the on-cannon unlocking and locking control switch, the grounding signal 902 of the relay K1 coil cannot be grounded through the follow-up power-on indicator lamp L2, therefore, the optical coupler U does not work and has no output, the on-cannon locking and locking indicator lamp L1 on the display panel of the control cabinet cannot be lightened, the normal locking of the cannon is indicated, and the state of the indicator lamp is consistent with the locking state of the cannon;
the unlocking and locking control state display circuit ensures unipolar forward input of voltage, so that the unlocking and locking indicator lamp L1 is lightened when a cannon is unlocked, and the unlocking and locking indicator lamp L1 is not lightened when the cannon is locked, thereby ensuring that the state of the indicator lamp can truly reflect the unlocking and locking state of the cannon, effectively avoiding other circuit faults caused by mistaken power-up, and accurately positioning whether the reason of the circuit fault is the unlocking and locking control switch.
Claims (3)
1. A switching lock control state display circuit is characterized by comprising a follow-up power-on switch S2, a follow-up power-on indicator light L2, a relay K1, an optical coupler U, a switching lock state indicator light L1, a resistor R1, a resistor R2, a switch on cannon switching lock control switch S3 and a diode D;
the other end of the follow-up power-up switch S2 is divided into two paths: one path is connected with one end of a follow-up power-on indicator lamp L2, and the other end of the follow-up power-on indicator lamp L2 is grounded; the other path is connected with the input end of a diode D, the output end of the diode D is connected with one end of a coil of a relay K1, and the other end of the coil of the relay K1 is divided into two paths: one end of an on-cannon unlocking and locking control switch S3 is connected, and the other end of the on-cannon unlocking and locking control switch S3 is grounded GND; the other path is connected with the input end of an optocoupler U, and the input end of the optocoupler U is connected with a 24V power supply after being connected with a resistor R1 in series; one path of the output end of the optocoupler U is connected with one end of an unlocking and locking control state indicator lamp L1, the unlocking and locking control state indicator lamp L1 is connected with a 5V power supply after being connected with a resistor R2 in series, and the other path of the output end of the optocoupler is grounded GND; one end of a normally open contact S1 of the relay K1 is connected with an external 24V power supply, and the other end is connected with a post-stage control circuit.
2. The unlocking and locking control state display circuit according to claim 1, wherein: when an unlocking control switch S3 on the artillery is closed, the artillery is unlocked, the grounding signal 902 of the coil of the relay K1 is directly grounded through the unlocking control switch, at the moment, a 24V power supply at the input end of the optical coupler U is also connected with a ground GND, the optical coupler works, an unlocking state indicator lamp L1 is lightened, the fact that the artillery is normally unlocked is indicated, and the state of the indicator lamp is consistent with the unlocking state of the artillery.
3. The unlocking and locking control state display circuit according to claim 1, wherein:
when the on-cannon unlocking and locking control switch S3 is disconnected, the cannon is locked, the grounding signal 902 of the relay K1 coil is not directly grounded through the on-cannon unlocking and locking control switch, and due to the one-way conductivity of the diode D, the grounding signal 902 of the relay K1 coil cannot be grounded through the follow-up power-on indicator lamp L2, so that the optical coupler U does not work and has no output, the on-cannon unlocking and locking indicator lamp L1 on the display panel of the control cabinet cannot be lightened, the normal cannon locking is indicated, and the state of the indicator lamp is consistent with the state of the cannon unlocking and locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020848622.0U CN212965277U (en) | 2020-05-20 | 2020-05-20 | Lock open-close control state display circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020848622.0U CN212965277U (en) | 2020-05-20 | 2020-05-20 | Lock open-close control state display circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212965277U true CN212965277U (en) | 2021-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020848622.0U Active CN212965277U (en) | 2020-05-20 | 2020-05-20 | Lock open-close control state display circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212965277U (en) |
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2020
- 2020-05-20 CN CN202020848622.0U patent/CN212965277U/en active Active
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