CN214281012U - Redundant parallel operation device - Google Patents

Redundant parallel operation device Download PDF

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Publication number
CN214281012U
CN214281012U CN202023005682.5U CN202023005682U CN214281012U CN 214281012 U CN214281012 U CN 214281012U CN 202023005682 U CN202023005682 U CN 202023005682U CN 214281012 U CN214281012 U CN 214281012U
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light emitting
emitting diode
module
voltage input
controller module
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许文才
曹武中
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ZHUHAI ZHONGRUI ELECTRIC POWER TECHNOLOGY CO LTD
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ZHUHAI ZHONGRUI ELECTRIC POWER TECHNOLOGY CO LTD
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Abstract

The utility model discloses a redundant parallel operation device, which has simple structure and easy realization, adopts two-way input, is beneficial to supplying power to the back through the other way input when one way input is electroless, and has good practicability; the MOS tube in each path is arranged, so that the MOS tube in the path is conveniently disconnected when no input exists, the current at the output end is prevented from reversely flowing backwards, and the practicability is good; the controlled switch module is arranged to be in the same switch state when the first controller module outputs a fault signal and/or when the first controller module outputs a fault signal, so that external equipment connected with the controlled switch module can know that the redundant parallel operation device has a fault in time, and the redundancy parallel operation device is good in practicability.

Description

Redundant parallel operation device
Technical Field
The utility model relates to a redundant parallel operation device.
Background
The condition that the input end of the single-path input power supply is not electrified and the output end of the single-path input power supply is also not electrified exists, and the condition that the input end of the single-path input power supply is not electrified and is output when a fault occurs exists, so that more reliable power supply output is not convenient. The existing common double-path input power supply does not have the function of uniformly outputting signals after a fault occurs, and is inconvenient for an external circuit to perform corresponding actions.
Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes above-mentioned technique is not enough, provides a redundant parallel operation device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a redundant parallel operation device, is including first direct current voltage input connecting terminal group 1, second direct current voltage input connecting terminal group 2 and direct current voltage output connecting terminal group 3, the voltage input positive connecting terminal of first direct current voltage input connecting terminal group 1 through first MOS pipe T1 with the voltage output positive connecting terminal of direct current voltage output connecting terminal group 3 is connected, parallelly connected forward diode D3 between the input/output end of first MOS pipe T1, the voltage input positive connecting terminal of second direct current voltage input connecting terminal group 2 through second MOS pipe T2 with the voltage output positive connecting terminal of direct current voltage output connecting terminal group 3 is connected, parallelly connected forward diode D2 between the input/output end of second MOS pipe T2, the voltage input negative connecting terminal of first direct current voltage input connecting terminal group 1, The voltage input negative electrode connecting end of the second direct current voltage input connecting terminal group 2 is connected with the voltage negative electrode output connecting end of the direct current voltage output connecting terminal group 3, the first direct-current voltage input connection terminal group 1 is electrically connected with a first controller module 4 for controlling the conduction of the first MOS transistor T1, the second dc voltage input connection terminal group 2 is electrically connected with a second controller module 5 for controlling the conduction of the second MOS transistor T2, the device also comprises a controlled switch module 6 which is used for being in the same switch state when the first controller module 4 outputs a fault signal and/or when the second controller module 5 outputs a fault signal, the controlled switching module 6 is in another switching state when neither the first controller module 4 nor the second controller module 5 outputs a fault signal.
Preferably, a voltage stabilizing module 7 is connected in parallel between the positive and negative voltage input connecting ends of the dc voltage output connecting terminal group 3.
Preferably, the first MOS transistor T1 and the second MOS transistor T2 are N-channel MOS transistors, respectively, and the first controller module 4 and the second controller module 5 are controller circuits with an ISL6144 chip model, respectively.
Preferably, the fault signal output by the first controller module 4 is low level effective, the fault signal output by the second controller module 5 is low level effective, the controlled switch module 6 includes a resistor R14, a resistor R15, a first optocoupler G1, a second optocoupler G2, and a double-pole double-throw relay RY2, the fault signal output end of the first controller module 4 is connected with the positive electrode of the light emitting diode of the second optocoupler G2 through the resistor R15, the negative electrode of the light emitting diode of the second optocoupler G2 is grounded, the fault signal output end of the second controller module 5 is connected with the positive electrode of the light emitting diode of the first optocoupler G1 through the resistor R14, the negative electrode of the light emitting diode of the first optocoupler G1 is grounded, one end of the relay coil of the double-pole double-throw relay RY2 is connected with the positive voltage output end of the dc voltage output connection terminal group 3, the other end of the relay coil of the double-pole double-throw relay RY2 is connected with the collector of the photoelectric receiving tube of the first optical coupler G1, the emitter of the photoelectric receiving tube of the first optical coupler G1 is connected with the collector of the photoelectric receiving tube of the second optical coupler G2, and the emitter of the photoelectric receiving tube of the second optical coupler G2 is grounded.
Preferably, the controlled switch module 6 is further connected to a first indicator light module 81 for lighting when the first controller module 4 outputs a fault signal and/or when the first controller module 4 outputs a fault signal, the first indicator light module 81 includes a resistor R13, a capacitor C9, and a light emitting diode LD3, an anode of the light emitting diode LD3 is connected to one end of the capacitor C9 and a collector of the photo-receiving tube of the first optical coupler G1, and a cathode of the light emitting diode LD3 is connected to the other end of the capacitor C9 and then grounded through the resistor R13.
Preferably, the controlled switch module 6 is further connected with a second indicator light module 82 for lighting when the first dc voltage input connection terminal group 1 is powered on, the second indicator light module 82 includes a resistor R10, a capacitor C8, a light emitting diode LD2 and a voltage regulator VD2, a negative electrode of the voltage regulator VD2 is connected with a voltage input positive connection end of the first dc voltage input connection terminal group 1, a positive electrode of the voltage regulator VD2 is connected with a positive electrode of the light emitting diode LD2 and one end of the capacitor C8, and a negative electrode of the light emitting diode LD2 is connected with the other end of the capacitor C8 and then connected with a positive electrode of the light emitting diode of the second optocoupler G2 through the resistor R10.
Preferably, the controlled switch module 6 is further connected with a third indicator light module 83 for lighting when the second dc voltage input connection terminal group 2 is powered on, the third indicator light module 83 includes a resistor R9, a capacitor C7, a light emitting diode LD1, and a voltage regulator VD1, a negative electrode of the voltage regulator VD1 is connected with a voltage input positive connection end of the second dc voltage input connection terminal group 2, a positive electrode of the voltage regulator VD1 is connected with a positive electrode of the light emitting diode LD1 and one end of the capacitor C7, and a negative electrode of the light emitting diode LD1 is connected with the other end of the capacitor C7 and then connected with a positive electrode of the light emitting diode of the first optocoupler G1 through the resistor R9.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the scheme is simple in structure and easy to realize, two-path input is adopted, power can be supplied to the rear part through the other path of input when one path of input is out of power, and the practicability is good; the MOS tube in each path is arranged, so that the MOS tube in the path is conveniently disconnected when no input exists, the current at the output end is prevented from reversely flowing backwards, and the practicability is good; the controlled switch module is arranged to be in the same switch state when the first controller module outputs a fault signal and/or when the second controller module outputs a fault signal, so that external equipment connected with the controlled switch module can know that the redundant parallel operation device has a fault in time, and the redundancy parallel operation device is good in practicability.
2. When the first controller module and the first controller module do not output fault signals, the input end of the resistor R14 and the input end of the resistor R15 are both in high level, so that the other end of the relay coil of the double-pole double-throw relay RY2 is grounded to form a loop, the relay coil is electrified to enable the relay switch to be in one state, when the first controller module outputs the fault signals and/or the first controller module outputs the fault signals, the other end of the relay coil of the double-pole double-throw relay RY2 is disconnected with the ground, the relay coil is not electrified to enable the relay switch to be in the other state, and therefore external equipment connected with the relay switch can know whether the redundant parallel operation device is in fault or not, and the practicability is good.
Drawings
Fig. 1 is one of partial circuit diagrams of the present disclosure.
Fig. 2 is a second partial circuit diagram of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of examples to facilitate understanding by those skilled in the art:
as shown in fig. 1 to 2, a redundant parallel operation device includes a first dc voltage input connection terminal set 1, a second dc voltage input connection terminal set 2, and a dc voltage output connection terminal set 3, wherein a voltage input positive connection terminal of the first dc voltage input connection terminal set 1 is connected to a voltage output positive connection terminal of the dc voltage output connection terminal set 3 through a first MOS transistor T1, a forward diode D3 is connected in parallel between input and output terminals of the first MOS transistor T1, a voltage input positive connection terminal of the second dc voltage input connection terminal set 2 is connected to a voltage output positive connection terminal of the dc voltage output connection terminal set 3 through a second MOS transistor T2, a forward diode D2 is connected in parallel between input and output terminals of the second MOS transistor T2, a voltage input negative connection terminal of the first dc voltage input connection terminal set 1, a voltage output negative connection terminal of the first dc voltage input connection terminal set 3, and a dc voltage output connection terminal set 3, The voltage input negative electrode connecting end of the second direct current voltage input connecting terminal group 2 is connected with the voltage negative electrode output connecting end of the direct current voltage output connecting terminal group 3, the first direct-current voltage input connection terminal group 1 is electrically connected with a first controller module 4 for controlling the conduction of the first MOS transistor T1, the second dc voltage input connection terminal group 2 is electrically connected with a second controller module 5 for controlling the conduction of the second MOS transistor T2, the device also comprises a controlled switch module 6 which is used for being in the same switch state when the first controller module 4 outputs a fault signal and/or when the second controller module 5 outputs a fault signal, the controlled switching module 6 is in another switching state when neither the first controller module 4 nor the second controller module 5 outputs a fault signal.
As mentioned above, the structure of the scheme is simple and easy to realize, two-way input is adopted, which is beneficial to supplying power to the rear through the other way input when one way input is out of power, and the practicability is good; the MOS tube in each path is arranged, so that the MOS tube in the path is conveniently disconnected when no input exists, the current at the output end is prevented from reversely flowing backwards, and the practicability is good; the controlled switch module 6 is arranged to be in the same switch state when the first controller module 4 outputs a fault signal and/or when the second controller module 5 outputs a fault signal, so that external equipment connected with the controlled switch module 6 can know that the redundant parallel operation device has a fault in time, and the redundancy parallel operation device is good in practicability.
As described above, in practical implementation, the voltage stabilizing module 7 is connected in parallel between the positive and negative voltage input connection terminals of the dc voltage output connection terminal group 3.
As described above, in specific implementation, the first MOS transistor T1 and the second MOS transistor T2 respectively employ N-channel MOS transistors, and the first controller module 4 and the second controller module 5 respectively employ a controller circuit with an ISL6144 chip model.
As shown in fig. 2, in a specific implementation, the first controller module 4 outputs a fault signal which is active at a low level, the second controller module 5 outputs a fault signal which is active at a low level, the controlled switch module 6 includes a resistor R14, a resistor R15, a first optical coupler G1, a second optical coupler G2, and a double-pole double-throw relay RY2, the fault signal output terminal of the first controller module 4 is connected to the positive electrode of the light emitting diode of the second optical coupler G2 through the resistor R15, the negative electrode of the light emitting diode of the second optical coupler G2 is grounded, the fault signal output terminal of the second controller module 5 is connected to the positive electrode of the light emitting diode of the first optical coupler G1 through the resistor R14, the negative electrode of the light emitting diode of the first optical coupler G1 is grounded, one end of the relay RY coil of the double-pole double-throw relay 2 is connected to the positive voltage output terminal group 3, the other end of the relay coil of the double-pole double-throw relay RY2 is connected with the collector of the photoelectric receiving tube of the first optical coupler G1, the emitter of the photoelectric receiving tube of the first optical coupler G1 is connected with the collector of the photoelectric receiving tube of the second optical coupler G2, and the emitter of the photoelectric receiving tube of the second optical coupler G2 is grounded.
As described above, when neither the first controller module 4 nor the first controller module 4 outputs a fault signal, the input terminal of the resistor R14 or the input terminal of the resistor R15 are both at a high level, so that the other end of the relay coil of the double-pole double-throw relay RY2 is grounded to form a loop, the relay coil is energized to make the relay switch in one state, and when the first controller module 4 outputs a fault signal and/or the first controller module 4 outputs a fault signal, the connection between the other end of the relay coil of the double-pole double-throw relay RY2 and the ground is disconnected, the relay coil is not energized to make the relay switch in another state, so that an external device connected with the relay switch knows whether the redundant parallel operation device is faulty or not, and the practicability is good.
As described above, in a specific implementation, the controlled switch module 6 is further connected to a first indicator lamp module 81 for lighting when the first controller module 4 outputs a fault signal and/or when the first controller module 4 outputs a fault signal, the first indicator lamp module 81 includes a resistor R13, a capacitor C9, and a light emitting diode LD3, the positive electrode of the light emitting diode LD3 is connected to one end of the capacitor C9 and the collector of the photo-receiving tube of the first optocoupler G1, and the negative electrode of the light emitting diode LD3 is connected to the other end of the capacitor C9 and then grounded through the resistor R13.
As described above, when neither the first controller module 4 nor the first controller module 4 outputs a fault signal, both ends of the first indicator lamp module 81 are short-circuited and the light emitting diode LD3 is not lit, and when the first controller module 4 outputs a fault signal and/or the first controller module 4 outputs a fault signal, both ends of the first indicator lamp module 81 are not short-circuited and the dc voltage output connection terminal group 3 supplies power to the first indicator lamp module 81 through the relay coil, so that the light emitting diode LD3 is lit for fault indication.
As described above, in a specific implementation, the controlled switch module 6 is further connected with a second indicator lamp module 82 configured to be turned on when the first dc voltage input connection terminal group 1 is powered on, the second indicator lamp module 82 includes a resistor R10, a capacitor C8, a light emitting diode LD2, and a voltage regulator VD2, a negative electrode of the voltage regulator VD2 is connected to the voltage input positive connection terminal of the first dc voltage input connection terminal group 1, a positive electrode of the voltage regulator VD2 is connected to a positive electrode of the light emitting diode LD2 and one end of the capacitor C8, and a negative electrode of the light emitting diode LD2 is connected to the other end of the capacitor C8 and then connected to a positive electrode of the light emitting diode of the second optocoupler G2 through the resistor R10.
As described above, in a specific implementation, the controlled switch module 6 is further connected with a third indicator light module 83 for lighting when the second dc voltage input connection terminal group 2 is powered on, the third indicator light module 83 includes a resistor R9, a capacitor C7, a light emitting diode LD1, and a voltage regulator VD1, a negative electrode of the voltage regulator VD1 is connected with the voltage input positive connection end of the second dc voltage input connection terminal group 2, a positive electrode of the voltage regulator VD1 is connected with a positive electrode of the light emitting diode 1 and one end of the capacitor LD 7, and a negative electrode of the light emitting diode LD1 is connected with the other end of the capacitor C7 and then connected with a positive electrode of the light emitting diode of the first optical coupler G1 through the resistor R9.
As described above, the present disclosure is directed to a redundant parallel operation device, and all technical solutions identical or similar to the present disclosure should be considered as falling within the scope of the present disclosure.

Claims (7)

1. The utility model provides a redundant parallel operation device, its characterized in that is including first direct current voltage input connecting terminal group (1), second direct current voltage input connecting terminal group (2) and direct current voltage output connecting terminal group (3), the voltage input positive link of first direct current voltage input connecting terminal group (1) through first MOS pipe T1 with the voltage output positive link of direct current voltage output connecting terminal group (3) is connected, parallel forward diode D3 between the input/output end of first MOS pipe T1, the voltage input positive link of second direct current voltage input connecting terminal group (2) through second MOS pipe T2 with the voltage output connecting terminal positive link of direct current voltage output connecting terminal group (3) is connected, parallel forward diode D2 between the input/output end of second MOS pipe T2, the voltage input negative link of first direct current voltage input connecting terminal group (1), direct current voltage output negative link, The voltage input negative electrode connecting end of the second direct current voltage input connecting terminal group (2) is connected with the voltage negative electrode output connecting end of the direct current voltage output connecting terminal group (3), the first direct-current voltage input connecting terminal group (1) is in power supply connection with a first controller module (4) used for controlling the conduction of the first MOS tube T1, the second direct-current voltage input connecting terminal group (2) is connected with a second controller module (5) for controlling the conduction of the second MOS transistor T2 in a power supply manner, the device also comprises a controlled switch module (6) which is used for being in the same switch state when the first controller module (4) outputs a fault signal and/or when the second controller module (5) outputs a fault signal, the controlled switching module (6) is in another switching state when neither the first controller module (4) nor the second controller module (5) outputs a fault signal.
2. A redundant parallel operation device according to claim 1, wherein a voltage stabilizing module (7) is connected in parallel between the positive and negative voltage input connection terminals of said dc voltage output connection terminal set (3).
3. The redundancy parallel operation device according to claim 1, wherein the first MOS transistor T1 and the second MOS transistor T2 are N-channel MOS transistors, respectively, and the first controller module (4) and the second controller module (5) are controller circuits of an ISL6144 chip type, respectively.
4. A redundant parallel operation device according to any one of claims 1-3, wherein the first controller module (4) outputs a fault signal with low level active, the second controller module (5) outputs a fault signal with low level active, the controlled switch module (6) includes a resistor R14, a resistor R15, a first optical coupler G1, a second optical coupler G2, and a double-pole double-throw relay RY2, the fault signal output terminal of the first controller module (4) is connected to the positive pole of the light emitting diode of the second optical coupler G2 through the resistor R15, the negative pole of the light emitting diode of the second optical coupler G2 is grounded, the fault signal output terminal of the second controller module (5) is connected to the positive pole of the light emitting diode of the first optical coupler G1 through the resistor R14, the negative pole of the light emitting diode of the first optical coupler G1 is grounded, one end of the coil of the double-pole double-throw relay 2 is connected to the dc voltage relay output connection terminal group (3) ) The other end of the relay coil of the double-pole double-throw relay RY2 is connected with the collector of the photoelectric receiving tube of the first optical coupler G1, the emitter of the photoelectric receiving tube of the first optical coupler G1 is connected with the collector of the photoelectric receiving tube of the second optical coupler G2, and the emitter of the photoelectric receiving tube of the second optical coupler G2 is grounded.
5. A redundant parallel operation device according to claim 4, wherein a first indicator light module (81) for lighting when the first controller module (4) outputs a fault signal and/or when the first controller module (4) outputs a fault signal is connected to the controlled switch module (6), the first indicator light module (81) comprises a resistor R13, a capacitor C9 and a light emitting diode LD3, the anode of the light emitting diode LD3 is connected to one end of the capacitor C9 and the collector of the photoelectric receiving tube of the first optocoupler G1, and the cathode of the light emitting diode LD3 is connected to the other end of the capacitor C9 and then grounded through the resistor R13.
6. A redundant parallel operation device according to claim 4, wherein a second indicator light module (82) for lighting when the first DC voltage input connection terminal set (1) is powered is further connected to the controlled switch module (6), the second indicator light module (82) includes a resistor R10, a capacitor C8, a light emitting diode LD2, and a voltage regulator VD2, a negative electrode of the voltage regulator VD2 is connected to the positive voltage input connection terminal of the first DC voltage input connection terminal set (1), a positive electrode of the voltage regulator VD2 is connected to the positive electrode of the light emitting diode LD2 and one end of the capacitor C8, and a negative electrode of the light emitting diode LD2 is connected to the positive electrode of the light emitting diode of the second optical coupler G2 through the resistor R10 after being connected to the other end of the capacitor C8.
7. A redundant parallel operation device according to claim 4, wherein a third indicator light module (83) for lighting when the second DC voltage input connection terminal group (2) is powered is further connected to the controlled switch module (6), the third indicator light module (83) comprises a resistor R9, a capacitor C7, a light emitting diode LD1 and a voltage regulator VD1, the negative electrode of the voltage regulator VD1 is connected with the voltage input positive connection end of the second DC voltage input connection terminal group (2), the positive electrode of the voltage regulator VD1 is connected with the positive electrode of the light emitting diode LD1 and one end of the capacitor C7, and the negative electrode of the light emitting diode LD1 is connected with the other end of the capacitor C7 and then connected with the positive electrode of the light emitting diode of the first optical coupler G1 through the resistor R9.
CN202023005682.5U 2020-12-11 2020-12-11 Redundant parallel operation device Active CN214281012U (en)

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Application Number Priority Date Filing Date Title
CN202023005682.5U CN214281012U (en) 2020-12-11 2020-12-11 Redundant parallel operation device

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Application Number Priority Date Filing Date Title
CN202023005682.5U CN214281012U (en) 2020-12-11 2020-12-11 Redundant parallel operation device

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CN214281012U true CN214281012U (en) 2021-09-24

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