CN203502552U - Signal lightning protection device detection circuit and lightning protection device comprising detection circuit - Google Patents
Signal lightning protection device detection circuit and lightning protection device comprising detection circuit Download PDFInfo
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- CN203502552U CN203502552U CN201320563513.4U CN201320563513U CN203502552U CN 203502552 U CN203502552 U CN 203502552U CN 201320563513 U CN201320563513 U CN 201320563513U CN 203502552 U CN203502552 U CN 203502552U
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- protection device
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- pilot lamp
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Abstract
The utility model relates to a signal lightning protection device detection circuit. The signal lightning protection device detection circuit comprises a power supply circuit, a detection indicating lamp, a detection circuit unit, a first relay and a second relay. The first relay and the second relay are connected in parallel between the current output terminal and the backflow terminal of the power supply circuit; the detection circuit unit is connected in parallel with the indicating lamp, and the detection circuit unit is connected with the input terminal of a lightning protection device circuit through the first relay and is connected with the output terminal of the lightning protection device circuit through the second relay, and a detection loop is formed. According to the utility model, by employing a structure that the lightning protection device circuit unit is connected in parallel with the lightning protection device detection circuit unit, the internal circuit of the lightning protection device circuit unit is detected through the lightning protection device detection circuit unit, not only is the detection convenient and fast, but also whether the internal circuit of the lightning protection device circuit unit is normal can be determined timely and accurately, and therefore the fact that the signal lightning protection device can be used safely in a protected line is effectively ensured, and the signal lightning protection device detection circuit is simple in structure and low in manufacture cost.
Description
Technical field
The utility model relates to a kind of testing circuit, particularly a kind of siganl thunder-proof device testing circuit and the lightning protection device that comprises this circuit.
Background technology
Digitizing need to be equipped with a large amount of communication and information equipment during the war years in battlefield, these equipment are mostly arranged on battlebus.When thundery sky; Lightning Over-voltage enters these equipment by antenna or communication line and produces even damage of thunderbolt interference; give training and bring under battle conditions tremendous influence, therefore conventionally can be on battlebus reload signal lightning protection device (SPD) to protect the use safety of these equipment.Yet, because the siganl thunder-proof device of these equipment is mounted on battlebus, through the long-term severe jolt of battlebus, lightning protection device internal components may occur loosening or damage, because common siganl thunder-proof device is all passive, can not indicate it whether normal, only just can know and damage afterwards communication is undesired, understand and even on battlefield, cause uncertain serious consequence in hands-on like this.
Summary of the invention
For existing problem, the lightning protection device that the object that the utility model is carried is to provide a kind of siganl thunder-proof device testing circuit and comprises this circuit, be beneficial to reach circuit structure simple, detect accurately, the effect of low cost of manufacture.
For achieving the above object, the utility model provides a kind of siganl thunder-proof device testing circuit, comprises feed circuit, detects pilot lamp, testing circuit, the first relay and the second relay; Described the first relay and the second relay are connected in parallel on the current output terminal of feed circuit and reflux between end; Described testing circuit and detection pilot lamp are in parallel, and are connected to form detection loop with input end and the output terminal of arrester circuit respectively by the first relay and the second relay.
Further, described testing circuit comprises the first diode, the first resistance and the lightning protection device test button of sequentially series connection, the current input terminal of described the first diode is connected with the current output terminal that detects pilot lamp, and the current output terminal of described lightning protection device test button is connected with the current output terminal of feed circuit.
Further, described feed circuit comprise power supply and are connected in parallel on the positive terminal of power supply and the power switch between negative pole end.
Further, described power switch is two contact single-way linkage switches.
Further, described feed circuit also comprise and are connected in parallel on the positive terminal of power supply and the power light between negative pole end.
Further, this lightning protection device testing circuit also comprises two-way reversing switch and detects pilot lamp and confirm circuit; The current output terminal of described two-way reversing switch K2 connects the backflow end of feed circuit, and its input end detects the connection of pilot lamp confirmation circuit with described testing circuit with being connected respectively; Described detection pilot lamp confirms that the input end of circuit is connected with the current output terminal of described detection pilot lamp.
Further, described detection pilot lamp confirms that circuit comprises the second diode, the second resistance and the pilot lamp test button of sequentially series connection; The current input terminal of described the second diode is connected with the current output terminal that detects pilot lamp; The current output terminal of described pilot lamp test button is connected with the current input terminal of two-way reversing switch.
The utility model further provides a kind of lightning protection device that comprises above-mentioned testing circuit, this lightning protection device comprises arrester circuit unit and is attempted by the input end of arrester circuit unit and the lightning protection device testing circuit between output terminal, described lightning protection device testing circuit comprises feed circuit, detect pilot lamp, detect pilot lamp and confirm circuit, testing circuit, two-way reversing switch, the first relay and the second relay, described the first relay and the second relay are connected in parallel on the current output terminal of feed circuit and reflux between end, testing circuit and detection pilot lamp confirm that circuit is connected in parallel between the detection current output terminal of pilot lamp and the current input terminal of two-way reversing switch, and testing circuit forms detection loop by the internal circuit of the first relay and the second relay and arrester circuit unit.
The utility model is owing to having adopted on arrester circuit unit and being connected to the structure of lightning protection device testing circuit unit; by this lightning protection device testing circuit unit, the internal circuit of arrester circuit unit is detected; not only easy to detect quick; and can be in time and find that exactly whether the internal circuit of arrester circuit unit is normal; thereby effectively guaranteed the use safety of siganl thunder-proof device in protected circuit, and circuit of the present utility model is simple, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is shown the siganl thunder-proof device circuit diagram with measuring ability.
In figure, the first relay J 1, the second relay J 2, detects power switch K1, detects power light ZD1, and measuring ability K switch 2 detects pilot lamp ZD2, lightning protection device test button ST, pilot lamp test button LT
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
Fig. 1 illustrates a kind of siganl thunder-proof device testing circuit, comprise arrester circuit unit and be attempted by the circuit input end of arrester circuit unit and the lightning protection device testing circuit unit between circuit output end, described lightning protection device testing circuit unit comprises feed circuit, detect pilot lamp ZD2, detect pilot lamp and confirm circuit, testing circuit, for detection of the two-way reversing switch K2 changing between indicator light circuit and testing circuit and for detection of the first relay J 1 of changing between circuit and the internal circuit of arrester circuit unit and the second relay J 2, wherein the first relay J 1 and the second relay J 2 are connected in parallel on the current output terminal of feed circuit and reflux between end, testing circuit and detect pilot lamp and confirm that circuit is connected in parallel between the current output terminal that detects pilot lamp ZD2 and the current input terminal of two-way reversing switch K2 and testing circuit can form detection loop with the internal circuit of arrester circuit unit by the first relay J 1 and the second relay J 2, the current input terminal that detects pilot lamp ZD2 connects the current output terminal of feed circuit, the current output terminal of two-way reversing switch K2 connects the backflow end of feed circuit.Wherein, above-mentioned testing circuit comprises the first diode D1, the first resistance R 1 and the lightning protection device test button ST of sequentially series connection, wherein the current input terminal of the first diode D1 is connected with the current output terminal that detects pilot lamp ZD2, and the current output terminal of lightning protection device test button ST is connected with the current input terminal of two-way reversing switch K2.And, above-mentioned detection pilot lamp confirms that circuit comprises the second diode D2, the second resistance R 2 and the pilot lamp test button LT of sequentially series connection, wherein the current input terminal of the second diode D2 is connected with the current output terminal that detects pilot lamp ZD2, and the current output terminal of pilot lamp test button LT is connected with the current input terminal of two-way reversing switch K2.And above-mentioned feed circuit comprise power supply, power switch K1 and power light ZD1, wherein power light ZD1 is connected in parallel between the positive terminal and negative pole end of power supply.Meanwhile, above-mentioned power switch K1 is two contact single-way linkage switches, and a wherein contact of this pair of contact single-way linkage switch connects the positive terminal of power supply, the negative pole end that another contact connects power supply.
The utility model principle of work: connect and detect power switch K1, as bright in detected power light ZD1, Power supply is normal, otherwise, fault.During detection, the detection interface of SPD is connected with lightning protection device testing circuit of the present utility model, at Power supply under normal circumstances, connect and detect power switch K1, start to power to lightning protection device detection module, now the first relay J 1 and the second relay J 2 are moved simultaneously, PERCOM peripheral communication loop is disconnected, and jump to lightning protection device testing circuit, then bidirectional detecting function K switch 2 is chosen and detected pilot lamp confirmation circuit, whether normal to confirm detecting pilot lamp ZD2, press pilot lamp test button LT, if it is bright to detect pilot lamp ZD2, represent to detect pilot lamp ZD2 normal, then bidirectional detecting function K switch 2 is chosen to testing circuit, press lightning protection device test button ST, if it is bright to detect pilot lamp ZD2, represent that the internal circuit of arrester circuit unit is normal, otherwise, fault.
The utility model is owing to having adopted on arrester circuit unit and being connected to the structure of lightning protection device testing circuit unit; by this lightning protection device testing circuit unit, the internal circuit of arrester circuit unit is detected; not only easy to detect quick; and can be in time and find that exactly whether the internal circuit of arrester circuit unit is normal; thereby effectively guaranteed the use safety of siganl thunder-proof device in protected circuit, and circuit of the present utility model is simple, low cost of manufacture.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model, the technician of the industry should understand, the utility model is not restricted to the described embodiments, that in above-described embodiment and instructions, describes just illustrates principle of the present utility model, do not departing under the prerequisite of the utility model spirit and scope, the utility model also has various changes and modifications, these changes and improvements all fall within the scope of claimed the utility model, the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. a siganl thunder-proof device testing circuit, is characterized in that: comprise feed circuit, detect pilot lamp (ZD2), testing circuit, the first relay (J1) and the second relay (J2);
Described the first relay (J1) and the second relay (J2) are connected in parallel on the current output terminal of feed circuit and reflux between end;
Described testing circuit and the parallel connection of detection pilot lamp (ZD2), and be connected to form detection loop with input end and the output terminal of arrester circuit respectively by the first relay (J1) and the second relay (J2).
2. a kind of siganl thunder-proof device testing circuit according to claim 1, is characterized in that: described testing circuit comprises the first diode (D1), the first resistance (R1) and the lightning protection device test button (ST) of sequentially series connection,
The current input terminal of described the first diode (D1) is connected with the current output terminal that detects pilot lamp (ZD2),
The current output terminal of described lightning protection device test button (ST) is connected with the current output terminal of feed circuit.
3. a kind of siganl thunder-proof device testing circuit according to claim 1, is characterized in that: described feed circuit comprise power supply and are connected in parallel on positive terminal and the power switch between negative pole end (K1) of power supply.
4. a kind of siganl thunder-proof device testing circuit according to claim 3, is characterized in that: described power switch (K1) is two contact single-way linkage switches.
5. a kind of siganl thunder-proof device testing circuit according to claim 3, is characterized in that: described feed circuit also comprise positive terminal and the power light between negative pole end (ZD1) that is connected in parallel on power supply.
6. a kind of siganl thunder-proof device testing circuit according to claim 1, is characterized in that: this lightning protection device testing circuit also comprises two-way reversing switch (K2) and detects pilot lamp and confirm circuit;
The current output terminal of described two-way reversing switch (K2) connects the backflow end of feed circuit, and its input end detects the connection of pilot lamp confirmation circuit with described testing circuit with being connected respectively;
Described detection pilot lamp confirms that the input end of circuit is connected with the current output terminal of described detection pilot lamp.
7. a kind of siganl thunder-proof device testing circuit according to claim 6, is characterized in that: described detection pilot lamp confirms that circuit comprises the second diode (D2), the second resistance (R2) and the pilot lamp test button (LT) of sequentially series connection;
The current input terminal of described the second diode (D2) is connected with the current output terminal that detects pilot lamp (ZD2);
The current output terminal of described pilot lamp test button (LT) is connected with the current input terminal of two-way reversing switch (K2).
8. a lightning protection device that comprises testing circuit described in claim 1, is characterized in that, this lightning protection device comprises arrester circuit unit and be attempted by the input end of arrester circuit unit and the lightning protection device testing circuit between output terminal,
Described lightning protection device testing circuit comprises feed circuit, detects pilot lamp (ZD2), detects pilot lamp confirmation circuit, testing circuit, two-way reversing switch (K2), the first relay (J1) and the second relay (J2),
Described the first relay (J1) and the second relay (J2) are connected in parallel on the current output terminal of feed circuit and reflux between end,
Testing circuit and detection pilot lamp confirm that circuit is connected in parallel between the current output terminal and the current input terminal of two-way reversing switch (K2) that detects pilot lamp (ZD2), and testing circuit detects loop by the first relay (J1) and the second relay (J2) with the internal circuit formation of arrester circuit unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563513.4U CN203502552U (en) | 2013-09-11 | 2013-09-11 | Signal lightning protection device detection circuit and lightning protection device comprising detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563513.4U CN203502552U (en) | 2013-09-11 | 2013-09-11 | Signal lightning protection device detection circuit and lightning protection device comprising detection circuit |
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| Publication Number | Publication Date |
|---|---|
| CN203502552U true CN203502552U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320563513.4U Expired - Lifetime CN203502552U (en) | 2013-09-11 | 2013-09-11 | Signal lightning protection device detection circuit and lightning protection device comprising detection circuit |
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| CN (1) | CN203502552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929288A (en) * | 2016-06-30 | 2016-09-07 | 杭州师范大学钱江学院 | Lightning protection device online detection circuit |
-
2013
- 2013-09-11 CN CN201320563513.4U patent/CN203502552U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929288A (en) * | 2016-06-30 | 2016-09-07 | 杭州师范大学钱江学院 | Lightning protection device online detection circuit |
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