CN211478489U - Surge protector failure detection module and surge protector integrated configuration - Google Patents
Surge protector failure detection module and surge protector integrated configuration Download PDFInfo
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- CN211478489U CN211478489U CN201922216791.2U CN201922216791U CN211478489U CN 211478489 U CN211478489 U CN 211478489U CN 201922216791 U CN201922216791 U CN 201922216791U CN 211478489 U CN211478489 U CN 211478489U
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Abstract
The invention relates to a surge protector failure detection module and a surge protector integrated structure comprising the same, wherein a first photosensitive sensor is used for detecting ambient background light, a second photosensitive sensor is used for detecting an LED alarm lamp on a surge protector, the input end of a voltage comparator is used for receiving an output signal of the first photosensitive sensor, the input end of the voltage comparator is used for receiving an output signal of the second photosensitive sensor, the output end of the voltage comparator is connected with the input end of an optical relay, the output end of the optical relay is connected with a signal output terminal CH, and the signal output terminal CH is used for being connected with a digital input end of a control system, so that remote output is realized; the failure detection module can be used as a selective device, is flexible in configuration and convenient for cost control, has no signal transmission relation with the surge protector, has high isolation strength, and effectively avoids secondary risks.
Description
Technical Field
The invention relates to the technical field of surge protector failure detection, in particular to a surge protector failure detection module and a surge protector integrated structure comprising the same.
Background
The modern industrial control device has more and more extensive applications, and the coverage of the application field is wider and wider, for example, many detection devices are in the field, on the shore, on the mountain top and in the countryside with little smoke, the control device of the application field has higher probability of receiving lightning stroke, in order to avoid the damage of transient overvoltage to equipment in a control loop, a large amount of surge protection devices are used in the control device to protect the indirect lightning and direct lightning influence or other surge of transient overvoltage, and the surge protection device is mainly applied to a power supply system, a communication system and a process control signal system.
The current mainstream surge protectors are classified into three categories, namely a common type, an LED fault indication type and an alarm output type, and are characterized in that:
1) the common surge protector only has a basic protection function and does not have fault indication and output, and the fault is judged to need manual detection;
2) the LED fault indication type surge protector is provided with an LED with local indication and used for fault indication;
3) the alarm output type surge protector is provided with an alarm output terminal, and can output an alarm signal when the surge protector breaks down.
When the three types of surge protectors are applied to unattended suburban fields, the first two types of surge protectors can find problems only by rushing to the field by workers, and great difficulty is brought to preparation of proper accessories and troubleshooting; although the third type can output alarm signals when the surge protector breaks down, the products occupy a large number of system acquisition channels when alarming and acquiring, the construction is complex, the detection difficulty is high, the isolation factor needs to be specially considered for the built-in alarm function, and the design, manufacture and application cost can be greatly increased.
Therefore, how to quickly find the fault surge protector by adopting a low-cost mode when the control device is abnormal after lightning stroke, is convenient for maintenance personnel to prepare spare parts in advance and restore normal monitoring as soon as possible, and is a difficulty faced by the industry at present.
Disclosure of Invention
The invention aims to solve the technical problem of making up the defects of the prior art and provides a surge protector failure detection module and a surge protector integrated structure aiming at an LED fault indication type surge protector.
To solve the technical problems, the technical scheme of the invention is as follows:
a surge protector failure detection module comprises a power supply terminal, a first photosensitive sensor, a second photosensitive sensor, a voltage comparator, an optical relay and a signal output terminal CH;
the first photosensitive sensor is used for detecting ambient background light;
the second photosensitive sensor is used for detecting an LED alarm lamp on the surge protector;
the input end of the voltage comparator is connected with the first photosensitive sensor and used for receiving the output signal of the first photosensitive sensor, and the input end of the voltage comparator is connected with the second photosensitive sensor and used for receiving the output signal of the second photosensitive sensor; the output end of the voltage comparator is connected with the input end of the optical relay, and the output end of the optical relay is connected with the signal output terminal CH; the signal output terminal CH is used for accessing a digital input end of a control system, so that remote output is realized;
the first photosensitive sensor, the second photosensitive sensor and the photo relay are all connected with the power supply terminal.
Further, still include support and guide rail subassembly, power supply terminal, first photosensitive sensor, second photosensitive sensor, voltage comparator, photo-relay and signal output terminal CH all fix on the support, guide rail subassembly fixed connection is in the bottom of support.
Further, an alarm indication LED is connected between the input end of the optical relay and the power supply terminal in series.
Further, the power supply terminal is connected with a power supply indication LED in parallel.
A surge protector integrated structure comprises a plurality of surge protectors and a plurality of failure detection modules, wherein the number of the failure detection modules is equal to that of the surge protectors, the failure detection modules and the surge protectors correspond to each other one by one, and the surge protectors are of an LED fault indication type and comprise LED alarm lamps; a plurality of surge protectors and failure detection modules are connected together through fixed guide rails.
Further, the number of the surge protectors and the number of the failure detection modules are 8.
Furthermore, the failure detection module further comprises a public signal terminal CHCOM, the output end of the optical relay of the failure detection module is connected with the public signal terminal CHCOM through a diode, and the public signal terminal CHCOM is used for being accessed to the digital input end of the control system, so that remote output is realized.
The invention can achieve the following beneficial effects:
1) the failure detection module of the surge protector is used as a selective additional device, can be flexibly configured, is additionally arranged on a common surge protector when long-distance needs exist, has lower manufacturing cost, and is convenient for cost control due to selective additional arrangement;
2) the failure detection module of the surge protector is relatively independent from the surge protector body, and the failure detection module and the surge protector body have no signal transmission relation, so that the isolation strength is high, and secondary risks are effectively avoided;
3) the surge protector integrated structure has a signal collection function, each group of alarm signals are collected and then output in a centralized manner, and each group only needs to occupy one digital input channel of the acquisition system, so that the cost is convenient to control;
4) the problem of detection and alarm after the failure of the surge protector in an unattended control system is solved by adopting a low-cost mode, and when the surge protector fails, the surge protector can remind operation and maintenance personnel of a specific fault point in time, so that the failed surge protector can be found out quickly and conveniently, the rapid troubleshooting is facilitated, and the system operation is recovered.
Drawings
Fig. 1 is a circuit schematic diagram of a failure detection module in embodiment 1 of the present invention;
FIG. 2 is a front view of the structure of embodiment 2 of the present invention;
FIG. 3 is a top view of the structure of embodiment 2 of the present invention;
FIG. 4 is a top view of the structure of embodiment 2 of the present invention;
FIG. 5 is a signal output wiring diagram in embodiment 2 of the present invention;
in the figure: 1-signal output terminal CH, 2-alarm indication LED, 3-power indication LED, 4-surge protector, 5-guide rail component, 6-optical relay, 7-LED alarm lamp, 8-first photosensitive sensor, 9-voltage comparator, 10-second photosensitive sensor, 11-diode, 12-support, 13-fixed guide rail and 14-power supply terminal.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
A surge protector failure detection module comprises a power supply terminal 14, a first photosensitive sensor 8, a second photosensitive sensor 10, a voltage comparator 9, an optical relay 6 and a signal output terminal CH 1;
the first photosensitive sensor 8 is used for detecting ambient background light;
the second photosensitive sensor 10 is used for detecting the LED alarm lamp 7 on the surge protector;
the "+" input end of the voltage comparator 9 is connected with the first photosensitive sensor 8 and used for receiving the output signal of the first photosensitive sensor 8, and the "-" input end of the voltage comparator 9 is connected with the second photosensitive sensor 10 and used for receiving the output signal of the second photosensitive sensor 10; the output end of the voltage comparator 9 is connected with the input end of the optical relay 6, and the output end of the optical relay 6 is connected with the signal output terminal CH 1; the signal output terminal CH1 is used for accessing a digital input end of a control system, so that remote output is realized;
the first photosensor 8, the second photosensor 10, and the photo relay 6 are all connected to the power supply terminal 14.
The device further comprises a support 12 and a guide rail assembly 5, a power supply terminal 14, a first photosensitive sensor 8, a second photosensitive sensor 10, a voltage comparator 9, an optical relay 6 and a signal output terminal CH1 are all fixed on the support 12, and the guide rail assembly 5 is fixedly connected to the bottom of the support 12.
In order to facilitate the worker to confirm the fault point on site, an alarm indicating LED2 is connected in series between the input terminal of the optical relay 6 and the power supply terminal 14.
The power supply terminal 14 is connected in parallel with a power indication LED3 to facilitate confirmation of whether the surge protector failure detection module itself has been energized.
When the surge protector fails, an LED alarm lamp of the surge protector can be turned on, which belongs to the prior art, and therefore details are not repeated herein, when a second photosensitive sensor of a surge protector failure detection module detects the brightness of the LED alarm lamp and transmits the brightness to a minus input end of a voltage comparator, a first photosensitive sensor detects environmental background light and transmits the environmental background light to a plus input end of the voltage comparator, and the voltage of the minus input end of the voltage comparator is higher than the voltage of the plus input end, the voltage comparator outputs a low level, an output end of an optical relay is conducted, and a fault signal is remotely output to a control system through a signal output terminal CH; when the surge protector normally operates, the LED alarm lamp is not on, the output of the voltage comparator is high level, and the output end of the optical relay does not output signals.
Example 2
A surge protector integrated structure comprises a plurality of surge protectors 4 and a plurality of failure detection modules shown in embodiment 1, wherein the number of the failure detection modules is equal to that of the surge protectors 4, the failure detection modules and the surge protectors 4 are in one-to-one correspondence, and in the embodiment, the number of the surge protectors 4 and the number of the failure detection modules are preferably 8; the surge protector 4 is of an LED fault indication type and comprises an LED alarm lamp 7, which belongs to the prior art and is not described again; the surge protectors 4 and the failure detection modules are connected together through the fixed guide rail 13.
Alarm indication LED2 lamps corresponding to the 8 failure detection modules are sequentially marked according to the arrangement sequence of the failure detection modules: 1. 2, 3, 4, 5, 6, 7, 8, make things convenient for the staff to find out concrete trouble surge protector 4.
The failure detection module further comprises a public signal terminal CHCOM, the output end of the optical relay 6 of the failure detection module is connected with the public signal terminal CHCOM through a diode 11, and the public signal terminal CHCOM is used for being connected to the digital input end of the control system, so that remote output is achieved.
The public signal terminal CHCOM is used for achieving a signal collection function, each group of alarm signals are collected and then output in a centralized mode, and each group only needs one digital input channel of an acquisition system. Signal collection can be cost effective.
The signal output terminals CH1 corresponding to the 8 failure detection modules are sequentially marked with 'CH 1, CH2, CH3, CH4, CH5, CH6, CH7 and CH 8' according to the arrangement sequence of the failure detection modules, and the common signal terminals CHCOM are marked with 'CHCOM', so that the wiring of workers is facilitated.
In the description of the present invention, words such as "inner", "outer", "upper", "lower", "front", "rear", etc., indicating orientations or positional relationships, are used for convenience in describing the present invention, and do not indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The above description is only one embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the spirit of the present invention.
Claims (7)
1. A surge protector failure detection module is characterized in that: the photoelectric detection circuit comprises a power supply terminal (14), a first photosensitive sensor (8), a second photosensitive sensor (10), a voltage comparator (9), an optical relay (6) and a signal output terminal CH (1);
the first photosensitive sensor (8) is used for detecting ambient background light;
the second photosensitive sensor (10) is used for detecting an LED alarm lamp (7) on the surge protector;
the input end of the voltage comparator (9) '+' is connected with the first photosensitive sensor (8) and used for receiving the output signal of the first photosensitive sensor (8), and the input end of the voltage comparator (9) '-' is connected with the second photosensitive sensor (10) and used for receiving the output signal of the second photosensitive sensor (10); the output end of the voltage comparator (9) is connected with the input end of the optical relay (6), and the output end of the optical relay (6) is connected with the signal output terminal CH (1); the signal output terminal CH (1) is used for accessing a digital input end of a control system, so that remote output is realized;
the first photosensitive sensor (8), the second photosensitive sensor (10) and the optical relay (6) are all connected with the power supply terminal (14).
2. The surge protector failure detection module of claim 1, wherein: still include support (12) and guide rail subassembly (5), power supply terminal (14), first photosensitive sensor (8), second photosensitive sensor (10), voltage comparator (9), photo relay (6) and signal output terminal CH (1) all fix on support (12), guide rail subassembly (5) fixed connection is in the bottom of support (12).
3. The surge protector failure detection module of claim 1 or 2, wherein: an alarm indication LED (2) is connected between the input end of the optical relay (6) and the power supply terminal (14) in series.
4. The surge protector failure detection module of claim 1 or 2, wherein: the power supply terminal (14) is connected with a power supply indication LED (3) in parallel.
5. A surge protector integrated configuration, characterized by: the surge protector protection device comprises a plurality of surge protectors (4) and a plurality of failure detection modules according to any one of claims 1 to 4, wherein the number of the failure detection modules is equal to that of the surge protectors (4), the failure detection modules correspond to the surge protectors one by one, and the surge protectors (4) are of an LED fault indication type and comprise LED alarm lamps (7); the surge protectors (4) and the failure detection modules are connected together through the fixed guide rails (13).
6. The surge protector integrated structure of claim 5, wherein: the number of the surge protectors (4) and the number of the failure detection modules are 8.
7. The surge protector integrated structure of claim 5, wherein: the failure detection module further comprises a public signal terminal CHCOM, the output end of a photo-relay (6) of the failure detection module is connected with the public signal terminal CHCOM through a diode (11), and the public signal terminal CHCOM is used for being connected with a digital input end of a control system, so that remote output is achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216791.2U CN211478489U (en) | 2019-12-12 | 2019-12-12 | Surge protector failure detection module and surge protector integrated configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216791.2U CN211478489U (en) | 2019-12-12 | 2019-12-12 | Surge protector failure detection module and surge protector integrated configuration |
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| Publication Number | Publication Date |
|---|---|
| CN211478489U true CN211478489U (en) | 2020-09-11 |
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| CN201922216791.2U Active CN211478489U (en) | 2019-12-12 | 2019-12-12 | Surge protector failure detection module and surge protector integrated configuration |
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| CN (1) | CN211478489U (en) |
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