CN209946364U - Maintenance and protection detection device of fire-fighting power supply working state monitor - Google Patents
Maintenance and protection detection device of fire-fighting power supply working state monitor Download PDFInfo
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- CN209946364U CN209946364U CN201821895967.0U CN201821895967U CN209946364U CN 209946364 U CN209946364 U CN 209946364U CN 201821895967 U CN201821895967 U CN 201821895967U CN 209946364 U CN209946364 U CN 209946364U
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- 238000001514 detection method Methods 0.000 title claims abstract description 11
- 238000012423 maintenance Methods 0.000 title abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
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Abstract
To this end, not discover a detection device is protected to dimension of on-spot fire power supply operating condition monitor, in order to solve the above-mentioned technical problem that exists among the prior art, the utility model provides a detection device is protected to dimension of fire power supply operating condition monitor, it includes direct current inverter circuit (1), step up under-voltage output circuit (2), voltage regulating circuit (3), its characterized in that: the direct current inverter circuit (1) is connected with the boosting undervoltage output circuit (2), and the boosting undervoltage output circuit (2) is connected with the voltage regulating circuit (3). The direct current inverter circuit (1) is used for inverting the direct current of the battery into alternating current to be supplied to the boosting undervoltage output circuit (2), and the boosting undervoltage output circuit (2) outputs overvoltage and undervoltage alarm values set by the fire power supply working state monitor through the adjustment of the voltage adjusting circuit (3) for maintenance detection.
Description
The technical field is as follows:
the utility model relates to a detection device is protected to dimension of fire power supply operating condition monitor, mainly used building fire control electrical engineering detects the trade.
Background art:
up to now, a maintenance detection device of an on-site fire-fighting power supply working state monitor is not found, so that the fire-fighting power supply working state monitor installed in the building fire engineering cannot detect the fire-fighting power supply working state monitor, potential safety hazards are caused, and even if a device with similar functions is provided, the device is high in cost due to the fact that the circuit structure of the device is complex; meanwhile, the working power supply is single in use, and the device is heavy in weight, so that the use occasion is limited.
The utility model has the following contents:
in order to solve the above-mentioned technical problem that exists among the prior art, the utility model provides a detection device is protected to fire power supply operating condition monitor's dimension, it includes direct current inverter circuit (1), step up under-voltage output circuit (2), voltage regulating circuit (3), its characterized in that: the direct current inverter circuit (1) is connected with the boosting undervoltage output circuit (2), and the boosting undervoltage output circuit (2) is connected with the voltage regulating circuit (3). The direct current inverter circuit (1) is used for inverting the direct current of the battery into alternating current to be supplied to the boosting undervoltage output circuit (2), and the boosting undervoltage output circuit (2) outputs overvoltage and undervoltage alarm values set by the fire power supply working state monitor through the adjustment of the voltage adjusting circuit (3) for maintenance detection.
Because the utility model discloses use direct current working power supply, can directly be used for the dimension to protect and detect under the on-the-spot AC power supply condition that does not have, so can both use in any occasion to it is nimble more convenient to make on-the-spot dimension protect detection achievement.
The scheme can be perfected as follows: the direct current inverter circuit (1) comprises a direct current battery (4), a switch (5) and an inverter (6), the positive pole of the direct current battery (4) is connected with one end of the switch (5), the other end of the switch (5) is connected with the positive pole of the input end of the inverter (6), the negative pole of the direct current battery (4) is connected with the negative pole of the input end of the inverter (6), the boosting undervoltage output circuit (2) comprises a boosting transformer (7), an alternating current voltmeter (8), a first test terminal (9) and a second test terminal (10), one end of the output end of the inverter (6) is connected with one side of the primary side of the boosting transformer (7), the voltage regulating circuit (3) comprises a first current limiting resistor (11), an adjustable resistor (12), a capacitor (13), a second current limiting resistor (14), a bidirectional diode (15) and a bidirectional thyristor (16), and the other side of the primary side of the boosting transformer (7, The first electrode of the bidirectional thyristor (16) is connected, one side of the secondary side of the boosting transformer (7) is connected with one end of an alternating-current voltmeter (8) and a first testing terminal (9), the other side of the secondary side of the boosting transformer (7) is connected with the other end of the alternating-current voltmeter (8) and a second testing terminal (10), the other end of the first current-limiting resistor (11) is connected with one end of an adjustable resistor (12), the other end of the adjustable resistor (12) is connected with one end of a capacitor (13) and one end of a second current-limiting resistor (14), the other end of the capacitor (13) is connected with the other end of the output end of the inverter (6) and the second electrode of the bidirectional thyristor (16), the other end of the second current-limiting resistor (14) is connected with one end of a bidirectional diode (15), and the other.
Description of the drawings:
fig. 1 is a schematic diagram of a structural block of the present invention.
Fig. 2 is a specific electronic structure diagram of the present invention.
The specific implementation mode is as follows:
example 1
Referring to fig. 1, a direct current inverter circuit (1) is connected with a boosting undervoltage output circuit (2), and the boosting undervoltage output circuit (2) is connected with a voltage regulating circuit (3).
The following is a specific circuit diagram
Referring to fig. 2, the direct current inverter circuit (1) includes a direct current battery (4), a switch (5) and an inverter (6), the positive pole of the direct current battery (4) is connected with one end of the switch (5), the other end of the switch (5) is connected with the positive pole of the input end of the inverter (6), the negative pole of the direct current battery (4) is connected with the negative pole of the input end of the inverter (6), the boosting undervoltage output circuit (2) includes a boosting transformer (7), an alternating current voltmeter (8), a first test terminal (9) and a second test terminal (10), one end of the output end of the inverter (6) is connected with one side of the primary side of the boosting transformer (7), the voltage regulating circuit (3) includes a first current limiting resistor (11), an adjustable resistor (12), a capacitor (13), a second current limiting resistor (14), a bidirectional diode (15) and a bidirectional thyristor (16), the other side of the primary side of the boosting, The first electrode of the bidirectional thyristor (16) is connected, one side of the secondary side of the step-up transformer (7) is connected with one end of an alternating-current voltmeter (8) and a test terminal I (9), the other side of the secondary side of the step-up transformer (7) is connected with the other end of the alternating-current voltmeter (8) and a test terminal II (10), the other end of a first current-limiting resistor (11) is connected with one end of an adjustable resistor (12), the other end of the adjustable resistor (12) is connected with one end of a capacitor (13) and one end of a second current-limiting resistor (14), the other end of the capacitor (13) is connected with the other end of the output end of an inverter (6) and the second electrode of the bidirectional thyristor (16), the other end of the second current-limiting resistor (14) is connected with one end of a bidirectional diode (15), the other end of the bidirectional diode (15) is connected with the gate pole, observing the reading value of an alternating current voltmeter (8) at 220V, disconnecting a switch (5), confirming that the working state monitor of the fire power supply is in a power-off state, respectively connecting a first test terminal (9) and a second test terminal (10) to the working state monitor of the fire power supply, closing the switch (5) again, then adjusting an adjustable resistor (12), and enabling the output voltages at the two ends of the first test terminal (9) and the second test terminal (10) to reach the overvoltage and undervoltage alarm values set by the working state monitor of the fire power supply, wherein if the equipment alarms, the equipment is normal, and if the equipment alarms, the equipment is abnormal.
The above element parameters are as follows:
direct current battery (4): 12V
Switch (5): 5A
Inverter (6): DC12V to AC220V
Step-up transformer (7): 5W 220/300V
Ac voltmeter (8): 0 to 300V
First current limiting resistor (11): 5K 5W
Adjustable resistance (12): 330K
Capacitance (13): 0.22uF 1000V
Second current limiting resistor (14): 1K
Bidirectional diode (15): 5A
Bidirectional thyristor (16): 5A
Claims (1)
1. The utility model provides a fire control power supply operating condition monitor's dimension guarantor detection device which characterized in that: the direct current inverter circuit (1) is connected with the boosting undervoltage output circuit (2), the boosting undervoltage output circuit (2) is connected with the voltage regulating circuit (3), the direct current inverter circuit (1) comprises a direct current battery (4), a switch (5) and an inverter (6), the positive pole of the direct current battery (4) is connected with one end of the switch (5), the other end of the switch (5) is connected with the positive pole of the input end of the inverter (6), the negative pole of the direct current battery (4) is connected with the negative pole of the input end of the inverter (6), the boosting undervoltage output circuit (2) comprises a boosting transformer (7), an alternating current voltmeter (8), a first testing terminal (9) and a second testing terminal (10), one end of the output end of the inverter (6) is connected with one side of the primary side of the boosting transformer (7), the voltage regulating circuit (3) comprises a first current limiting resistor (11), an adjustable resistor (12, The other side of the primary side of a boosting transformer (7) is connected with one end of a first current-limiting resistor (11) and a first electrode of a bidirectional thyristor (16), one side of the secondary side of the boosting transformer (7) is connected with one end of an alternating-current voltmeter (8) and a test terminal I (9), the other side of the secondary side of the boosting transformer (7) is connected with the other end of the alternating-current voltmeter (8) and a test terminal II (10), the other end of the first current-limiting resistor (11) is connected with one end of an adjustable resistor (12), the other end of the adjustable resistor (12) is connected with one end of a capacitor (13) and one end of a second current-limiting resistor (14), the other end of the capacitor (13) is connected with the other end of the output end of an inverter (6) and a second electrode of the bidirectional thyristor (16), and the other end of the second current-limiting resistor (14) is connected with one end of the bidirectional diode (15, the other end of the bidirectional diode (15) is connected with the gate pole of the bidirectional thyristor (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821895967.0U CN209946364U (en) | 2018-11-15 | 2018-11-15 | Maintenance and protection detection device of fire-fighting power supply working state monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821895967.0U CN209946364U (en) | 2018-11-15 | 2018-11-15 | Maintenance and protection detection device of fire-fighting power supply working state monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209946364U true CN209946364U (en) | 2020-01-14 |
Family
ID=69119362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821895967.0U Active CN209946364U (en) | 2018-11-15 | 2018-11-15 | Maintenance and protection detection device of fire-fighting power supply working state monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209946364U (en) |
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2018
- 2018-11-15 CN CN201821895967.0U patent/CN209946364U/en active Active
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