CN220342328U - Delay power supply device for equipment power-on - Google Patents
Delay power supply device for equipment power-on Download PDFInfo
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- CN220342328U CN220342328U CN202322033861.7U CN202322033861U CN220342328U CN 220342328 U CN220342328 U CN 220342328U CN 202322033861 U CN202322033861 U CN 202322033861U CN 220342328 U CN220342328 U CN 220342328U
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Abstract
The utility model provides a delay power supply device for equipment power-on, which comprises a power supply line, a switch unit and a control unit, wherein the power supply line is used for supplying power to the equipment of the current stage; the switch unit is arranged on the power supply line and used for controlling the on-off of the power supply line; the control unit is electrically connected with the switch unit and is used for receiving the preparation signal of the superior equipment and sending a switch signal to the switch unit. The delay power supply device for equipment power-on is characterized in that the control unit and the switch unit are arranged, in the use process, the control unit can receive a preparation signal of the superior equipment, namely, the superior equipment can send a signal to the control unit after starting preparation is completed, and after receiving the signal of the superior equipment, the control unit can supply power to the superior equipment through a control switch unit by enabling a power supply line, so that delay starting of the superior equipment is realized, and communication negotiation failure between the superior equipment and the superior equipment caused by simultaneous starting of the superior equipment and the superior equipment is avoided.
Description
Technical Field
The utility model relates to the technical field of equipment power supply, in particular to a delay power supply device for equipment power-on.
Background
The industrial personal computer is a reinforced enhanced personal computer which can be used as an industrial controller to reliably run in an industrial environment, but in industrial places, because the environment is complex and changeable, the industrial personal computer is generally locked in a case, a switch is reserved outside the case, the power-on and power-off of all devices are realized by virtue of the switch, and various devices in the case are powered on simultaneously and work simultaneously, so that negotiation failure between two devices which need to communicate through a protocol is often caused.
A solution to the problem of failure in automatic negotiation of a Bypass switch port, which is disclosed as CN115941462A, avoids the failure in negotiation between cascaded switches by modifying trigger logic of a relay, but is not fully applicable to different other devices, such as step-by-step starting between an industrial personal computer-CAN server-CAN controller, and the time required for starting the devices is inconsistent.
Disclosure of Invention
In view of this, the utility model provides a delay power supply device for powering up equipment, which waits for the completion of powering up of a superior equipment, and after the complete starting, the corresponding current equipment of the device is restarted, so that the current equipment is powered up, and the simultaneous powering up between two equipment is avoided, thereby avoiding the negotiation failure between the two equipment needing to communicate through a protocol.
The technical scheme of the utility model is realized as follows: the utility model provides a delay power supply device for equipment power-on, which comprises a power supply circuit, a switch unit and a control unit, wherein,
the power supply line is used for supplying power to the current-stage equipment;
the switch unit is arranged on the power supply line and used for controlling the on-off of the power supply line;
the control unit is electrically connected with the switch unit and is used for receiving the preparation signal of the superior equipment and sending a switch signal to the switch unit.
On the basis of the above technical solution, preferably, the control unit includes a control module, and the control module is electrically connected with the switch unit.
Further preferably, the control unit further includes a transmitting module electrically connected to the control module, and configured to transmit a preparation signal of the current-stage device to the next-stage device.
Further preferably, the control unit further comprises a communication unit, wherein the communication unit is arranged on the equipment of the current stage and is in communication connection with the control module, and the communication unit is used for sending a preparation signal of the equipment of the current stage to the control module.
Further preferably, the control unit further includes a receiving module, and the receiving module is electrically connected with the control module, and is configured to receive a preparation signal of the superior device, and transmit the preparation signal to the control module.
On the basis of the above technical scheme, preferably, the switch unit has a control end, an input end and an output end, the control end of the switch unit is electrically connected with the control unit, and the input end and the output end of the switch unit are respectively connected with a power supply and the current-stage equipment.
Further preferably, the switch unit comprises a P-type MOS tube, a resistor R1, a resistor R2, a resistor R3 and a triode Q1, wherein the resistor R1 is connected with the control module, the other end of the resistor R1 is connected with the B pole of the triode Q1, the E pole of the triode Q1 is grounded, the two ends of the resistor R2 are respectively connected with the B pole and the E pole of the triode Q1, the C pole of the triode Q1 is connected with the G pin of the P-type MOS tube, the D pin and the S pin of the P-type MOS tube are both connected on a power supply line, and the two ends of the resistor R3 are respectively connected with the E pole and the power supply line of the triode.
Further preferably, the emitting module includes an infrared tube for emitting an infrared signal to the subordinate device.
Still further preferably, the receiving module comprises an infrared receiving head, a resistor R8, a resistor R9 and a capacitor C1, the infrared receiving head is provided with an anode and a cathode and a control end, the anode and the cathode of the infrared receiving head are respectively connected with a power supply and the ground, the control end is connected with the control module, the capacitor C1 is arranged between the anode and the cathode of the infrared receiving head, the resistor R8 is connected in parallel with the control end of the anode of the infrared receiving head, one end of the resistor R9 is connected with the power supply, and the other end of the resistor R9 is connected with the capacitor C1 in parallel.
Still further preferably, the emission module further comprises a resistor R4, a resistor R5, a resistor R6, a resistor R7, a triode Q2 and a triode Q3, wherein one ends of the resistor R4 and the resistor R5 are connected with a power supply, the other end of the resistor R4 is electrically connected with an anode of the infrared tube, the resistor R6 is connected with the resistor R5 in series, the other end of the resistor R6 is connected with a B pole of the triode Q2, a C pole of the triode Q2 is electrically connected with a cathode of the infrared tube, an E pole of the triode Q2 is grounded, the resistor R5 is connected with a C pole of the triode Q3 in series, the resistor R7 is connected with a B pole of the triode Q3, and the other end of the resistor R4 is connected with a control module, and the E pole of the triode Q3 is grounded.
Compared with the prior art, the delay power supply device for equipment power-on has the following beneficial effects:
(1) By arranging the control unit and the switch unit, the control unit can receive a preparation signal of the superior equipment in the use process, namely, the superior equipment can send a signal to the control unit after starting preparation is completed, and the control unit can enable the power supply line to supply power to the superior equipment through the control switch unit after receiving the signal of the superior equipment, so that the delayed starting of the superior equipment is realized, and communication negotiation failure between the superior equipment and the superior equipment caused by the simultaneous starting of the two equipment is avoided;
(2) After the starting action of the equipment at the present stage is finished, the transmitting module is arranged, so that the equipment at the lower stage and the equipment at the present stage are prevented from being started simultaneously, a preparation signal of the equipment at the present stage is transmitted to the equipment at the lower stage through the transmitting module, and the equipment at the lower stage can be started and prepared after receiving the preparation signal of the equipment at the present stage, so that the successive starting of the equipment at the upper stage, the equipment at the present stage and the equipment at the lower stage is realized.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a delayed power supply device for powering up equipment of the present utility model;
FIG. 2 is a circuit diagram of a switching unit of the delay power supply device for powering up equipment of the present utility model;
FIG. 3 is a circuit diagram of a receiving module of the delay power supply device for equipment power-on of the utility model;
fig. 4 is a circuit diagram of a transmitting module of the delay power supply device for powering up equipment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
In general, the industrial control device is locked in a chassis, a switch is reserved outside the chassis, power-on and power-off of all devices are realized by means of the switch, and various devices in the chassis are powered on simultaneously and work simultaneously, so that negotiation failure between two devices needing to communicate through a protocol is caused, for example, when initialization of an A device is completed and negotiation with a B device with incomplete initialization is performed, error information is acquired to cause final protocol failure, delay starting of the device is required, and accordingly the device at the current level is required to be started after the device at the current level is completely initialized and started, and communication between the device at the current level and the device at the current level is restarted, so that protocol failure is avoided.
In a certain real operation scene, the industrial personal computer is an upper-level device, the CAN server is a local-level device, the CAN controller is a lower-level device, and other use scenes are not excluded in the embodiment, so that the upper-level device, the local-level device and the lower-level device are directly adopted for description for facilitating understanding.
As shown in fig. 1 to 4, the delay power supply device for power-on of the equipment of the present utility model is arranged on the equipment of the present stage and is used for delay power supply of the equipment of the present stage, and comprises a power supply line 1, a switch unit 2 and a control unit 3.
The power supply circuit 1 is provided with a power supply end and a connecting end, the power supply end is connected with a power supply and used as a power supply input, the connecting end is connected with a power supply connecting end of the equipment, and when the power supply circuit 1 is a passage, the equipment can be powered.
The switch unit 2 is arranged on the power supply line 1 and has a switch function, and can enable the power supply line 1 to be communicated when the power supply is needed to be electrified through the switch unit 2, otherwise, when the power supply is not carried out, the power supply line 1 can be disconnected to enable the power supply line 1 to be powered off, and the on-off control of the power supply line 1 is carried out to carry out the on-off control of the power supply line 1.
The control unit 3 is electrically connected with the switch unit 2, and in the use process, the control unit 3 can receive a preparation signal of the superior equipment, namely, the superior equipment can send a signal to the control unit 3 after starting preparation is completed, and after receiving the signal of the superior equipment, the control unit 3 can enable the power supply line 1 to supply power to the current equipment through the control switch unit 2, so that the delayed starting of the current equipment is realized, and the communication negotiation failure between the superior equipment and the current equipment caused by the simultaneous starting of the two equipment is avoided.
In this embodiment, the control unit 3 includes a control module 31, where the control module 31 is electrically connected to the switch unit 2, the control module 31 may be directly selected as a single-chip microcomputer, and a specific model may be selected as STC15W204S, and for convenience in understanding this embodiment, the control module 31 will be described with this model as an example.
The control module 31 has sixteen pins, wherein pin 6 and pin 8 are respectively connected with power supply and ground, pin 9 is used as the control signal output end of the switch unit 2, the switch unit 2 has a control end, an input end and an output end, the control end of the switch unit 2 is electrically connected with the control unit 3, the input end and the output end of the switch unit 2 are respectively connected with the power supply and the present-stage equipment, the switch unit 2 can select a P-type MOS tube as a switch element, and after the control module 31 sends a communication signal to the switch unit 2, the P-type MOS tube is used for on-off control of the power supply circuit 1.
Specifically, as shown in fig. 2, the switch unit 2 further includes a resistor R1, a resistor R2, a resistor R3 and a triode Q1, the resistor R1 is connected with the control module 31, the other end is connected with the B pole of the triode Q1, the E pole of the triode Q1 is grounded, the two ends of the resistor R2 are respectively connected with the B pole and the E pole of the triode Q1, the C pole of the triode Q1 is connected with the G pin of the P-type MOS transistor, the D pin and the S pin of the P-type MOS transistor are both connected on the power supply circuit 1, the two ends of the resistor R3 are respectively connected with the E pole of the triode and the power supply circuit 1, and the resistance values of the resistor R1, the resistor R2 and the resistor R3 are all optionally 10kΩ.
As a preferred embodiment, the control unit 3 further includes a transmitting module 32, where the transmitting module 32 is electrically connected to the control module 31, and when the current-stage device completes the start-up action, in order to avoid that the next-stage device and the current-stage device start up simultaneously, the next-stage device transmits a preparation signal of the current-stage device to the next-stage device through the transmitting module 32, and after receiving the preparation signal of the current-stage device, the next-stage device can perform start-up preparation, and in addition, the previous-stage device transmits the preparation signal to the current-stage device, or the previous-stage device may also install the transmitting module 32 on the previous-stage device to feed back the preparation signal of the previous-stage device to the current-stage device.
It should be noted that, when the present-stage device is the last starting device, since there is no lower-stage device, it is not necessary to send a preparation signal to the lower-stage device after the completion of the starting, so the transmitting module 32 is set only when there is a lower-stage device, otherwise it may not be necessary to set the transmitting module 32 on the present-stage device.
In practical application, the transmitting module 32 may transmit and receive a preparation signal through an infrared signal, specifically, as shown in fig. 4, the transmitting module 32 includes an infrared tube 321, the infrared tube 321 is configured to transmit an infrared signal to a downstream device, in the transmitting module 32, the transmitting module further includes a resistor R4, a resistor R5, a resistor R6, a resistor R7, a transistor Q2 and a transistor Q3, one ends of the resistor R4 and the resistor R5 are connected to a power supply, the other ends of the resistor R4 are electrically connected to an anode of the infrared tube 321, the resistor R6 is serially connected to the resistor R5, the other ends are connected to a B pole of the transistor Q2, a C pole of the transistor Q2 is electrically connected to a cathode of the infrared tube 321, an E pole of the transistor Q2 is grounded, the resistor R5 is serially connected to a C pole of the transistor Q3, the other ends are connected to a control module 31, the control module 31 may transmit the preparation signal to the downstream device through the infrared tube 321, where the resistor R4, the resistor R6, the resistor R7, the resistor Q7 and the resistor Q10 are connected to a resistor 630, and the resistor 630 are respectively.
The transmitting module 32 is configured to transmit the preparation signal of the present-stage device to the subordinate device, but specific information is required to be obtained by communication for completion of the startup of the present-stage device, and the control unit 3 further includes a communication unit 33, the communication unit 33 being disposed on the present-stage device and communicatively connected to the control module 31, the communication unit 33 being configured to transmit the preparation signal of the present-stage device to the control module 31.
The communication unit 33 may be a signal line in actual working conditions, indicating that the start is normal; but may be any type of bus such as iic spi rs232.
In this embodiment, in order to enable the present level device to receive the preparation signal sent by the upper level device, the control unit 3 further includes a receiving module 34, where the receiving module 34 is electrically connected to the control module 31, and is configured to receive the preparation signal of the upper level device and transmit the preparation signal to the control module 31, that is, when the preparation signal of the upper level device is sent, the receiving module 34 receives the preparation signal, converts the signal into an electrical signal that can be recognized by the control module 31, and outputs the electrical signal to the control module 31, so that the control module 31 determines whether to control the switch unit 3, and the preparation signal sent by the upper level device may be an optical signal or an electrical signal.
Specifically, the receiving module 34 receives the preparation signal of the upper device by using the infrared receiving head 341, that is, the transmitting module 32 is disposed on the upper device, the ready signal is converted into an optical signal to be transmitted, the receiving module 34 receives the optical signal, demodulates and outputs the optical signal to the control module 31, and the specific model of the infrared receiving head 341 may be HS0038A2.
As shown in fig. 3, in this embodiment, the receiving module 34 further includes a resistor R8, a resistor R9 and a capacitor C1, the infrared receiving head 341 has an anode and a cathode and a control end, the anode and the cathode of the infrared receiving head 341 are respectively connected to the power supply and the ground, a capacitor is disposed between the anode and the cathode of the infrared receiving head 341, the anode and the control end of the infrared receiving head 341 are connected in parallel to the resistor R8, one end of the resistor R9 is connected to the power supply, the other end is connected in parallel to the capacitor C1, wherein the resistance values of the resistor R8 and the resistor R9 can be respectively 10kΩ and 100 Ω, and the capacitance of the capacitor C1 can be selected to be 4.7 μf.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a time delay power supply unit for equipment power on which characterized in that: comprises a power supply circuit (1), a switch unit (2) and a control unit (3), wherein,
the power supply line (1) is used for supplying power to the equipment of the current stage;
the switch unit (2) is arranged on the power supply line (1) and used for controlling the on-off of the power supply line (1);
the control unit (3) is electrically connected with the switch unit (2) and is used for receiving a preparation signal of the superior equipment and sending a switch signal to the switch unit (2).
2. The delayed power supply device for powering up equipment as defined in claim 1, wherein: the control unit (3) comprises a control module (31), and the control module (31) is electrically connected with the switch unit (2).
3. The delayed power supply device for powering up equipment as defined in claim 2, wherein: the control unit (3) further comprises a transmitting module (32), and the transmitting module (32) is electrically connected with the control module (31) and is used for transmitting a preparation signal of the equipment of the current level to the equipment of the next level.
4. A delayed power supply for powering up a device as defined in claim 3, wherein: the control unit (3) further comprises a communication unit (33), wherein the communication unit (33) is arranged on the equipment of the current stage and is in communication connection with the control module (31), and the communication unit (33) is used for sending a preparation signal of the equipment of the current stage to the control module (31).
5. The delayed power supply device for powering up equipment as defined in claim 2, wherein: the control unit (3) further comprises a receiving module (34), wherein the receiving module (34) is electrically connected with the control module (31) and is used for receiving a preparation signal of the superior equipment and transmitting the preparation signal to the control module (31).
6. The delayed power supply device for powering up equipment as defined in claim 1, wherein: the switch unit (2) is provided with a control end, an input end and an output end, the control end of the switch unit (2) is electrically connected with the control unit (3), and the input end and the output end of the switch unit (2) are respectively connected with a power supply and current-stage equipment.
7. The delayed power supply for powering up a device as defined in claim 6, wherein: the switching unit (2) comprises a P-type MOS tube, a resistor R1, a resistor R2, a resistor R3 and a triode Q1, wherein the resistor R1 is connected with a control module (31), the other end of the resistor R1 is connected with the B pole of the triode Q1, the E pole of the triode Q1 is grounded, the two ends of the resistor R2 are respectively connected with the B pole and the E pole of the triode Q1, the C pole of the triode Q1 is connected with the G pin of the P-type MOS tube, the D pin and the S pin of the P-type MOS tube are both connected on a power supply circuit (1), and the two ends of the resistor R3 are respectively connected with the E pole of the triode and the power supply circuit (1).
8. A delayed power supply for powering up a device as defined in claim 3, wherein: the transmitting module (32) comprises an infrared tube (321), and the infrared tube (321) is used for transmitting infrared signals to lower-level equipment.
9. The delayed power supply device for powering up equipment as defined in claim 5, wherein: the receiving module (34) comprises an infrared receiving head (341), a resistor R8, a resistor R9 and a capacitor C1, wherein the infrared receiving head (341) is provided with an anode and a cathode and a control end, the anode and the cathode of the infrared receiving head (341) are respectively connected with a power supply and grounded, the control end is connected with the control module (31), the capacitor C1 is arranged between the anode and the cathode of the infrared receiving head (341), the resistor R8 is connected in parallel with the control end of the anode of the infrared receiving head (341), one end of the resistor R9 is connected with the power supply, and the other end of the resistor R9 is connected with the capacitor C1 in parallel.
10. The delayed power supply for powering up a device as defined in claim 8, wherein: the emitting module (32) further comprises a resistor R4, a resistor R5, a resistor R6, a resistor R7, a triode Q2 and a triode Q3, wherein the resistor R4 and one end of the resistor R5 are connected with a power supply, the other end of the resistor R4 is electrically connected with the anode of the infrared tube (321), the resistor R6 is connected with the resistor R5 in series, the other end of the resistor R6 is connected with the B pole of the triode Q2, the C pole of the triode Q2 is electrically connected with the cathode of the infrared tube (321), the E pole of the triode Q2 is grounded, the resistor R5 is connected with the C pole of the triode Q3 in series, the resistor R7 is connected with the B pole of the triode Q3, the other end of the resistor R4 is connected with the control module (31), and the E pole of the triode Q3 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322033861.7U CN220342328U (en) | 2023-07-31 | 2023-07-31 | Delay power supply device for equipment power-on |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322033861.7U CN220342328U (en) | 2023-07-31 | 2023-07-31 | Delay power supply device for equipment power-on |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220342328U true CN220342328U (en) | 2024-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322033861.7U Active CN220342328U (en) | 2023-07-31 | 2023-07-31 | Delay power supply device for equipment power-on |
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| Country | Link |
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| CN (1) | CN220342328U (en) |
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2023
- 2023-07-31 CN CN202322033861.7U patent/CN220342328U/en active Active
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