Pallet module plugging state detection circuit and device

Abstract

The utility model discloses a tray module plugging state detection circuit and a tray module plugging state detection device. The circuit comprises a power supply module which comprises at least two power supply units; the power supply control module is used for carrying out power supply and power off operation on the tray module according to the plug connector state of the tray module detected by the sensor; the sensor detection module is used for detecting the plugging state of the tray module and sending the plugging state to the power failure alarm module and the power supply control module, the plugging state comprises power failure and connection, the sensor detection module outputs a high level during power failure, and the sensor detection module outputs a low level during connection; and the power failure alarm module is used for giving an alarm when receiving the power failure signal sent by the sensor. The problems that the plug connector has no power-down and power-on prompt, and electric sparks are easily generated when multiple power supplies are plugged are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of plug-in circuit detection, in particular to a tray module plug-in state detection circuit and device. BACKGROUND

[0002] With the continuous development of economy and technology, and the continuous progress of science and technology, the demand for self-service products in the financial industry is also increasing day by day, and the performance requirements for self-service products are also increasing, and the convenience and safety of self-service products are also increasing.

[0003] Relying on the module of the tray, when maintaining the equipment, the tray needs to be pulled out, which has a great possibility of damaging the cable, affecting the service life, and even causing hanging line phenomenon. The plug-in connector is used for connection and power supply of the module. However, when the module is pulled out or pushed in, there is no power-off and power-on prompt; and when multiple power sources are connected by plug-in connectors, electric sparks are easily generated, which poses a certain risk and easily reduces the customer experience and safety. SUMMARY

[0004] The present application provides a tray module plug-in state detection circuit and device, which solves the problem of no power-off and power-on prompt of the plug-in connector, and solves the problem of electric sparks generated when multiple power sources are connected by plug-in connectors.

[0005] In a first aspect, the present application provides a tray module plug-in state detection circuit, comprising: a power supply module, a power supply control module, a sensor detection module, and a power-off alarm module; wherein the power supply control module, the sensor detection module, and the power-off alarm module are connected with the power supply module; the power supply control module and the power-off alarm module are connected with the sensor detection module;

[0006] The power supply module comprises at least two power supply units; wherein the first power supply unit is used for power supply of the tray module, and the second power supply unit is used for power supply of the sensor detection module, the power-off alarm module, and the power supply control module;

[0007] The power supply control module is used for power supply and power-off operation of the tray module according to the plug-in state of the tray module detected by the sensor detection module;

[0008] The sensor detection module is used for detecting the plug-in state of the tray module and sending to the power-off alarm module and the power supply control module; wherein the plug-in state includes power-off and connection, the sensor detection module outputs high level when power-off, and the sensor detection module outputs low level when connection;

[0009] The power-off alarm module is used for alarming when receiving the power-off signal sent by the sensor.

[0010] Further, the first power supply unit includes a fuse F1, capacitors C1, C2, and C6; wherein one end of the 24V external power supply is connected to the fuse F1, the other end of the fuse F1 is connected to one end of the capacitors C1, C6, and C2, and the other end of the capacitors C1, C6, and C2 is grounded; the second power supply unit includes three capacitors C3, C4, and C7; wherein one end of the 5V external power supply is connected to the capacitors C3, C4, and C7; and the other end of the capacitors C7, C3, and C4 is grounded.

[0011] Further, the capacitances of the capacitors C1 and C3 are both 0.1uF, the capacitance of the capacitor C6 is 220uF, the capacitances of the capacitors C2 and C4 are both 0.01uF, and the capacitance of the capacitor C7 is 150uF.

[0012] In specific implementation, the 24V power supply in the first power supply unit is protected by the fuse F1, and then input to the filter assembly composed of C1, C2, and C6 for filtering processing to obtain a stable 24V voltage. The 5V power supply is input to the filter assembly composed of C7, C3, and C4 for filtering processing to obtain a stable 5V voltage.

[0013] Further, the sensor detection module includes resistors R4, R3, and R5, a U-shaped sensor J1, and capacitors C5 and C10; wherein one end of the second power supply unit is connected to the capacitor C10, the pins 1 and 4 of the U-shaped sensor J1, one end of the pin 2 of the U-shaped sensor J1 is connected to one end of the resistor R3, one end of the pin 3 of the U-shaped sensor J1 is connected to one end of the resistor R4, one end of the resistor R5, and one end of the capacitor C5, the other ends of the capacitors C10 and C5 and the other ends of the resistors R3 and R5 are grounded, and the other end of the resistor R4 serves as a signal output of the sensor detection module; when the U-shaped sensor J1 is blocked, a low level is output, and when the U-shaped sensor J1 is not blocked, a low level is output.

[0014] Further, the capacitances of the capacitors C5 and C10 are both 0.1uF, the resistance of the resistor R3 is 270Ω, the resistance of the resistor R4 is 33Ω, and the resistance of the resistor R5 is 10kΩ.

[0015] In specific implementation, the U-shaped sensor outputs the 10kΩ resistor R5 and the 0.1uF capacitor C5 to ground, so that the U-shaped sensor can maintain stable output, and the 33Ω resistor R4 is output in series to improve the anti-interference ability of the output signal.

[0016] Further, the power-off alarm module comprises resistors R19, R7, R15, NPN transistor Q1 and buzzer PZ1; wherein one end of the resistor R19 is connected with the sensor detection module, the other end of the resistor R19 is connected with the resistor R7, one end of the resistor R7 is connected with the base of the NPN transistor Q1, the collector of the NPN transistor Q1 is connected with one end of the resistor R15, the other end of the resistor R15 is connected with the loudspeaker, the positive electrode of the loudspeaker is connected with the second power supply unit, and the emitter of the NPN transistor Q1 is grounded.

[0017] Further, the resistance of the resistor R5 is 1kΩ, the resistance of the resistor R7 is 10kΩ, and the resistance of the resistor R19 is 0Ω.

[0018] In the embodiment, the power-off alarm module utilizes the switching characteristic of the NPN transistor Q1, the output signal of the sensor detection module is connected with the base of the transistor, the emitter is grounded, and the collector is connected with the power supply in series with the buzzer PZ1 and the 1KΩ resistor R15; when the sensor detection module outputs high level, the NPN is turned on, the buzzer sounds and alarms, and when the sensor detection module outputs low level, the NPN is not turned on, and the buzzer does not work.

[0019] Further, the power-off alarm module comprises resistors R19, R7, R15, NPN transistor Q1 and buzzer PZ1; wherein one end of the resistor R19 is connected with the sensor detection module, the other end of the resistor R19 is connected with the resistor R7, one end of the resistor R7 is connected with the base of the NPN transistor Q1, the collector of the NPN transistor Q1 is connected with one end of the resistor R15, the other end of the resistor R15 is connected with the loudspeaker, the positive electrode of the loudspeaker is connected with the second power supply unit, and the emitter of the NPN transistor Q1 is grounded.

[0020] Further, the resistance of the resistor R5 is 1kΩ, the resistance of the resistor R7 is 10kΩ, and the resistance of the resistor R19 is 0Ω.

[0021] In specific implementation, when the sensor detection module outputs a high level, the comparison circuit outputs a high level, the PNP triode is not conductive, the relay U2 is powered off, and the 24V voltage is short-circuited; when the sensor detection module outputs a low level, the comparison circuit outputs a low level, the PNP triode is conductive, the relay U2 is powered on, and the 24V voltage is powered on.

[0022] In a second aspect, the present application provides a tray module connector device of the circuit, which comprises a first fixed plate, a second fixed plate, a male connector, a female connector, a U-shaped sensor and a baffle; the male connector and the baffle are fixed on the first fixed plate respectively, and the female connector is fixed on the second fixed plate, so that when the male connector and the female connector are connected, the baffle just covers the groove of the U-shaped sensor.

[0023] Advantages

[0024] The present application provides a tray module connector state detection circuit and device, which can determine the connection state of the tray module and determine whether the connector is connected in place; when the tray module is powered off, the staff can be effectively prompted; when the tray is connected by collision, the delayed conduction of the power supply is controlled, the generation of electric sparks is avoided, and the safety performance is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0026] Figure 1 is a structural framework diagram of the tray module connector state detection circuit provided by the embodiment of the present application;

[0027] Figure 2 is a power supply module circuit schematic diagram provided by the embodiment of the present application; wherein, figure (a) is a first power supply unit circuit schematic diagram; figure (b) is a second power supply unit schematic diagram;

[0028] Figure 3 is a power supply control module circuit schematic diagram provided by the embodiment of the present application;

[0029] Figure 4 is a sensor detection module circuit schematic diagram provided by the embodiment of the present application;

[0030] Figure 5 is a power-off alarm module circuit schematic diagram provided by the embodiment of the present application;

[0031] Figure 6 This is a schematic diagram of the tray module connector provided in an embodiment of the present invention. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be described in detail below. Obviously, the described embodiments are merely some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0033] Example 1

[0034] like Figure 1 As shown, this embodiment provides a tray module plug-in status detection circuit, including: a power module, a power control module, a sensor detection module, and a power failure alarm module; wherein, the power control module, the sensor detection module, and the power failure alarm module are all connected to the power module; the power control module and the power failure alarm module are both connected to the sensor detection module;

[0035] The power module includes at least two power supply units, wherein the first power supply unit is used to power the tray module, and the second power supply unit is used to power the sensor detection module, the power failure alarm module, and the power control module; in specific implementation, this embodiment is powered by an industrial control computer, which includes 5V and 24V power supply ports;

[0036] The power control module is used to control the first power supply unit to perform power supply and power-off operations on the tray module according to the connector status detected by the sensor.

[0037] The sensor detection module is used to detect the insertion status of the tray module and send it to the power failure alarm module and the power control module. The insertion status includes power failure and connection. When power failure occurs, the sensor detection module outputs a high level, and when connection occurs, the sensor detection module outputs a low level.

[0038] The power failure alarm module is used to issue an alarm when it receives a power failure signal sent by the sensor.

[0039] Specifically, such as Figure 2 As shown, the first power supply unit includes a fuse F1 and capacitors C1, C2, and C6; wherein, a 24V external power supply is connected to one end of the fuse F1, and the other end of the fuse F1 is connected to one end of capacitors C1, C6, and C2, and the other ends of capacitors C1, C6, and C2 are all grounded; the second power supply unit includes three capacitors C3, C4, and C7; wherein, a 5V external power supply is connected to one end of capacitors C3, C4, and C7; the other ends of capacitors C7, C3, and C4 are all grounded.

[0040] More specifically, the capacitances of the capacitors C1 and C3 are both 0.1uF, the capacitance of the capacitor C6 is 220uF, the capacitances of the capacitors C2 and C4 are both 0.01uF, and the capacitance of the capacitor C7 is 150uF.

[0041] In particular implementation, the 24V power supply in the first power supply unit is protected by the fuse F1, and then input to the filter assembly composed of C1, C2 and C6 for filtering to obtain a stable 24V voltage. The 5V power supply is input to the filter assembly composed of C7, C3 and C4 for filtering to obtain a stable 5V voltage.

[0042] In particular, as shown in Figure 4 The sensor detection module includes resistors R4, R3 and R5, a U-shaped sensor J1, and capacitors C5 and C10. One end of the capacitor C10 in the second power supply unit is connected to pins 1 and 4 of the U-shaped sensor J1, one end of the resistor R3 is connected to pin 2 of the U-shaped sensor J1, one end of the resistor R4 and one end of the capacitor C5 are connected to pin 3 of the U-shaped sensor J1, the other ends of the capacitors C10 and C5 and the other ends of the resistors R3 and R5 are all grounded, and the other end of the resistor R4 serves as a signal output of the sensor detection module. When the U-shaped sensor J1 is blocked, a low level is output, and when the U-shaped sensor J1 is not blocked, a low level is output.

[0043] More specifically, the capacitances of the capacitors C5 and C10 are both 0.1uF, the resistance of the resistor R3 is 270Ω, the resistance of the resistor R4 is 33Ω, and the resistance of the resistor R5 is 10kΩ.

[0044] In particular implementation, the U-shaped sensor J1 outputs the 10kΩ resistor R5 and the 0.1uF capacitor C5 to ground, so that the U-shaped sensor J1 can maintain stable output, and the 33Ω resistor R4 is output in series to improve the anti-interference ability of the output signal.

[0045] In particular, as shown in Figure 5 The power failure alarm module includes resistors R19, R7 and R15, an NPN transistor Q1, and a buzzer PZ1. One end of the resistor R19 is connected to the sensor detection module, the other end of the resistor R19 is connected to the resistor R7, one end of the resistor R7 is connected to the base of the NPN transistor Q1, the collector of the NPN transistor Q1 is connected to one end of the resistor R15, the other end of the resistor R15 is connected to the loudspeaker, the positive electrode of the loudspeaker is connected to the second power supply unit, and the emitter of the NPN transistor Q1 is grounded.

[0046] More specifically, the resistance of the resistor R5 is 1kΩ, the resistance of the resistor R7 is 10kΩ, and the resistance of the resistor R19 is 0Ω (the resistor R19 is a debugging resistor).

[0047] In practice, the power failure alarm module utilizes the switching characteristics of the NPN transistor Q1. When the sensor detection module outputs a high level, the NPN transistor is turned on, and the buzzer sounds an alarm. When the sensor detection module outputs a low level, the NPN transistor Q1 is not turned on, and the buzzer does not work.

[0048] To be more specific, such as Figure 3 The power control module shown includes an operational amplifier U1, resistors R1, R2, R3, and R17, a relay U2, a fuse F2, and capacitors C8, C14, and C17. 15; Wherein, the output terminal of the sensor detection module is connected to one end of capacitor C14 and pin 3 of operational amplifier U1; the second power supply unit is connected to resistor R1, one end of capacitor C15, pin 5 of operational amplifier, one end of resistor R2, and the emitter of PNP transistor Q2; the other end of resistor R1 is connected to one end of resistor R17 and pin 4 of operational amplifier; pin 1 of operational amplifier U1 is connected to one end of resistor R13; the other end of resistor R13 is connected to the other end of resistor R2 and the base of PNP transistor Q2; the collector of PNP transistor Q2 is connected to pin 1 of relay U2; pin 3 of relay U2 is connected to one end of capacitor C8 and the output terminal of the first power supply unit; pin 4 of relay U2 is connected to one end of fuse F2; the other end of fuse F2 is connected to the power module output interface of the tray module; the other ends of capacitors C8, C14, and C15, pin 2 of relay U2, the other end of resistor R17, and pin 2 of operational amplifier are all grounded. More specifically, capacitors C8, C14, and C15 are all 0.1uF, resistors R1 and R17 are both 10kΩ, and resistors R2 and R3 are both 1kΩ. In practice, when the sensor detection module outputs a high level, the comparator circuit also outputs a high level, the PNP transistor is not conducting, relay U2 is de-energized, and the 24V voltage supplied by the first power supply unit is disconnected; when the sensor detection module outputs a low level, the comparator circuit outputs a low level, the PNP transistor conducts, relay U2 is energized, and the 24V voltage is supplied.

[0049] In particular implementation, the second control unit of the power module supplies power for the sensor detection module, the power-off alarm module and the power control module. When the tray module is pushed into the connector to be connected and fitted, the groove of the U-shaped sensor of the sensor detection module is blocked, thereby outputting a low level. When the power-off alarm module receives the low level signal from the sensor detection module, the NPN triode Q1 is not conductive, and the buzzer does not work. Meanwhile, when the power control module receives the low level output from the sensor detection module, the low level is output through the operational amplifier, and the PNP triode Q2 is conductive. The relay U2 is powered on, and the first control unit delays for 2-3 seconds (the relay module is fixedly provided with a delay of 2-3 seconds) to provide 24V working voltage for the tray module. When the tray module is withdrawn from the connector, the groove of the U-shaped sensor of the sensor detection module is not blocked, thereby outputting a high level. After the power-off alarm module receives the high level signal, the NPN triode Q1 is conductive, the buzzer works to issue an alarm sound, and the staff is reminded that the tray module is in a power-off state. Meanwhile, after the power control module receives the high level output from the sensor detection module, the operational amplifier U1 outputs a high level, so that the PNP triode Q2 is not conductive, the relay module is powered off, the first power supply unit is powered off, and the tray module has no working voltage supply, thereby ensuring the safety of the staff.

[0050] Embodiment 2

[0051] As shown in Figure 5 , the present application provides a tray module connector device based on the above-mentioned circuit, which comprises a first fixed plate, a second fixed plate, a connector male end, a connector female end, a U-shaped sensor and a baffle. The connector male end and the baffle are fixedly penetrated through the first fixed plate, and the connector female end is fixedly penetrated through the second fixed plate, so that when the connector male end and the connector female end are connected and fitted, the baffle just blocks the groove of the U-shaped sensor.

[0052] In particular implementation, as shown in Figure 1 , the tray module is pushed into the connector to be connected and fitted, at which time the baffle blocks the U-shaped sensor. The state of the U-shaped sensor is converted, the sensor detection module sends a low level signal to the power control module and the power-off alarm module, the power control module judges that the connector is in a connected state according to the signal transmitted by the U-shaped sensor. The power-off alarm module receives the low level signal from the sensor detection module, judges that the connector has been connected and the module has been in place, and the buzzer stops beeping. The power control module receives the low level signal from the sensor detection module, judges that the connector has been connected, controls the conduction of the power cable, delays for 2-3 seconds (the relay module is fixedly provided with a delay of 2-3 seconds), and then powers on the module, thereby avoiding the dangerous situation of generating an electric spark when the connector is connected by collision.

[0053] The tray module is pulled out, as shown inFigure 4 As shown, the male end of the connector on the first fixed plate 1 and the female end of the connector on the second fixed plate 2 are disconnected, at this time, the blocking piece leaves the shielding area of the U-shaped sensor, the state of the sensor is converted, the sensor detection module transmits a high level signal to the power-off source control module, the power-off source control module judges that the connector is disconnected, at the same time, the power-off alarm module receives the high level signal from the sensor detection module, makes a judgment that the connector is disconnected, and the tray module has been powered off, at this time, the buzzer emits intermittent buzzing sound to remind the customer that the tray module is powered off; the power-off source control module receives the high level signal from the sensor detection module, makes a judgment that the connector is disconnected, and controls the power cable to be disconnected, at this time, the connector is in a non-live state, even if the customer touches it, there will be no electric shock phenomenon.

[0054] It can be understood that the same or similar parts in the above embodiments can be mutually referred to, and the contents not described in detail in some embodiments can be referred to the same or similar contents in other embodiments.

[0055] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application.

Claims

1. A tray module connection status detection circuit, comprising: The system includes a power supply module, a power control module, a sensor detection module, and a power failure alarm module; wherein the power control module, the sensor detection module, and the power failure alarm module are all connected to the power supply module; and the power control module and the power failure alarm module are all connected to the sensor detection module. The power module includes at least two power supply units; wherein, the first power supply unit is used to power the tray module, and the second power supply unit is used to power the sensor detection module, the power failure alarm module, and the power control module. The power control module is used to power on and power off the tray module according to the connector status detected by the sensor. The sensor detection module is used to detect the insertion status of the tray module and send it to the power failure alarm module and the power control module; wherein, the insertion status includes power failure and connection, the sensor detection module outputs a high level when power failure occurs, and the sensor detection module outputs a low level when connection occurs; The power failure alarm module is used to issue an alarm when it receives a power failure signal sent by the sensor detection module.

2. The tray module connection status detection circuit according to claim 1, characterized in that, The first power supply unit includes a fuse F1 and capacitors C1, C2, and C6; wherein a 24V external power supply is connected to one end of fuse F1, and the other end of fuse F1 is connected to one end of capacitors C1, C6, and C2, and the other ends of capacitors C1, C6, and C2 are all grounded; the second power supply unit includes capacitors C3, C4, and C7; wherein a 5V external power supply is connected to one end of capacitors C3, C4, and C7, and the other ends of capacitors C7, C3, and C4 are all grounded.

3. The tray module insertion status detection circuit according to claim 2, characterized in that, The capacitance of capacitors C1 and C3 is 0.1uF, the capacitance of capacitor C6 is 220uF, the capacitance of capacitors C2 and C4 is 0.01uF, and the capacitance of capacitor C7 is 150uF.

4. The tray module insertion status detection circuit according to claim 1, characterized in that, The sensor detection module includes resistors R4, R3, and R5, a U-shaped sensor J1, and capacitors C5 and C10. The second power supply unit is connected to one end of capacitor C10 and pins 1 and 4 of the U-shaped sensor J1. Pin 2 of the U-shaped sensor J1 is connected to one end of resistor R3. Pin 3 of the U-shaped sensor J1 is connected to one end of resistors R4 and R5 and one end of capacitor C5. The other ends of capacitors C10 and C5, and the other ends of resistors R3 and R5 are all grounded. The other end of resistor R4 serves as the signal output of the sensor detection module. The module outputs a low level when the U-shaped sensor J1 is blocked and a low level when the U-shaped sensor J1 is unblocked.

5. The tray module plug-in status detection circuit according to claim 4, characterized in that, Capacitors C5 and C10 both have a capacitance of 0.1uF, resistor R3 has a resistance of 270Ω, resistor R4 has a resistance of 33Ω, and resistor R5 has a resistance of 10kΩ.

6. The tray module plug-in status detection circuit according to claim 1, characterized in that, The power failure alarm module includes resistors R19, R7, and R15, an NPN transistor Q1, and a buzzer PZ1. One end of resistor R19 is connected to the sensor detection module, and the other end of R19 is connected to resistor R7. One end of resistor R7 is connected to the base of NPN transistor Q1, the collector of NPN transistor Q1 is connected to one end of resistor R15, the other end of resistor R15 is connected to the speaker, the positive terminal of the speaker is connected to the second power supply unit, and the emitter of NPN transistor Q1 is grounded.

7. The tray module insertion status detection circuit according to claim 6, characterized in that, The resistance of resistor R5 is 1kΩ, the resistance of resistor R7 is 10kΩ, and the resistance of resistor R19 is 0Ω.

8. The tray module plug-in status detection circuit according to claim 1, characterized in that, The power control module includes an operational amplifier U1, resistors R1, R2, R3, and R17, a relay U2, a fuse F2, and capacitors C8, C14, and C15. The output of the sensor detection module is connected to one end of capacitor C14 and pin 3 of operational amplifier U1. The second power supply unit is connected to resistor R1, one end of capacitor C15, pin 5 of the operational amplifier, one end of resistor R2, and the emitter of PNP transistor Q2. The other end of resistor R1 is connected to one end of resistor R17 and pin 4 of the operational amplifier. Pin 1 of operational amplifier U1 is connected to... One end of resistor R13 is connected to the other end of resistor R2 and the base (b) of PNP transistor Q2. The collector (c) of PNP transistor Q2 is connected to pin 1 of relay U2. Pin 3 of relay U2 is connected to one end of capacitor C8 and the output terminal of the first power supply unit. Pin 4 of relay U2 is connected to one end of fuse F2. The other end of fuse F2 is connected to the power module output interface of the tray module. The other ends of capacitors C8, C14, and C15, pin 2 of relay U2, the other end of resistor R17, and pin 2 of operational amplifier are all grounded.

9. The tray module connection status detection circuit according to claim 8, characterized in that, Capacitors C8, C14, and C15 all have a capacitance of 0.1uF, resistors R1 and R17 both have a resistance of 10kΩ, and resistors R2 and R3 both have a resistance of 1kΩ.

10. A tray module connector based on the circuit of any one of claims 1-9, the connector comprising: The device comprises a first fixing plate, a second fixing plate, a male connector, a female connector, a U-shaped sensor, and a baffle. The male connector and the baffle are respectively fixed through the first fixing plate, and the female connector is respectively fixed through the second fixing plate, so that when the male connector and the female connector are inserted and matched, the baffle just covers the groove of the U-shaped sensor.

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