CN213724587U - Portable fire-fighting system line tester - Google Patents
Portable fire-fighting system line tester Download PDFInfo
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- CN213724587U CN213724587U CN202021986938.2U CN202021986938U CN213724587U CN 213724587 U CN213724587 U CN 213724587U CN 202021986938 U CN202021986938 U CN 202021986938U CN 213724587 U CN213724587 U CN 213724587U
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Abstract
The utility model belongs to the technical field of the fire control linkage, a portable fire extinguishing system line tester is provided. The tester includes: the circuit comprises a detection input interface, a detection output interface, a current generator, a functional switch group for switching voltage output or current output, a loop voltage module for detecting the voltage of the multiple routes in the current line unit to be detected, a line current module for detecting one current of the multiple routes in the current line unit to be detected and a line change-over switch group for switching one current of the multiple routes in the current line unit to be detected. The utility model is used for the quick work of patrolling and examining of barracks fire extinguishing system circuit can fix a position the trouble source fast, and is suitable for single detection.
Description
Technical Field
The utility model belongs to the technical field of the fire control linkage, more specifically say, relate to a portable fire extinguishing system line tester.
Background
The fire-fighting linkage safety system is installed and used in a large number in oil field barracks engineering, and makes positive contribution to safety protection guarantee of oil field barracks. The fire-fighting linkage system uses each scene barracks as a basic unit, a fire-fighting line bus and a three-color lamp alarm line are respectively installed in each unit, corresponding fire-fighting devices are installed on the fire-fighting bus according to the scene requirements, the quantity of required alarm lamps is installed on the alarm line, input and output interfaces of a mixed line defined by unified standards are designed and installed in each barracks, and then each house is connected through a connecting trunk cable to form a closed-loop fire-fighting alarm line system. Each house has 8 lines for entering and exiting the fire-fighting system, and has strict requirements on the connection resistance and wiring definition among the lines, and the camps networked on site can be nearly hundreds, so how to quickly and reliably carry out site overhaul and debugging on the numerous camps and networking lines becomes the most complex and difficult problem in the current camps manufacturing process and site overhaul process.
The traditional method relies on a universal meter or a direct power-on forced test method for detection and maintenance, the method is complex and complicated in operation, multiple persons are required to cooperate to complete the detection and maintenance, the forced power-on action often causes damage to equipment on a line, and the fault range is enlarged.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a portable fire extinguishing system circuit tester aims at solving among the prior art fire extinguishing system circuit and detects complicacy, and detection speed is slow, and causes the problem of trouble easily.
An embodiment of the utility model provides a portable fire extinguishing systems circuit tester, include: the circuit comprises a detection input interface, a detection output interface, a current generator, a functional switch group for switching voltage output or current output, a loop voltage module for detecting the voltage of the multiple routes in the current line unit to be detected, a line current module for detecting one path of current in the multiple routes in the current line unit to be detected and a line change-over switch group for switching one path of the multiple routes in the current line unit to be detected;
the output end of the current generator is connected with the first end of the detection output interface through the current side of the functional switch group; the second end of the detection output interface is connected with the first end of each unit to be tested of the circuit in the fire fighting system; the second end of each unit to be tested of the circuit in the fire fighting system is connected with the first end of the detection input interface, and the second end of the detection input interface is connected with the input end of the line change-over switch group; the output end of the line change-over switch group is connected with the receiving end of the line current module;
the voltage side of the function switch group receives an external power supply, and is connected with the first end of the detection output interface; the second end of the detection output interface is connected with the first end of each unit to be tested of the circuit in the fire fighting system; and the second end of each unit to be tested of the circuit in the fire fighting system is connected with the first end of the detection input interface, and the second end of the detection input interface is connected with the receiving end of the loop voltage module.
Optionally, the detection input interface is a signal return input 8-core needle seat.
Optionally, the detection output interface is a signal output 8-core female socket.
Optionally, the function switch group includes a plurality of third-gear function switch elements; the three-gear functional switch element is connected with multiple paths in the current unit to be tested of the circuit in a one-to-one correspondence manner;
the voltage side of each third-gear functional switch element is connected with an external power supply and the first end of the detection output interface, and the current side of each third-gear functional switch element is connected with the output end of the current generator and the first end of the detection output interface.
Optionally, the loop voltage module includes: a loop return voltage measuring device and an alarm return voltage measuring device;
the loop return voltage measuring device is connected into the detection loop and used for displaying the current voltage information of each loop in the unit to be tested of the circuit;
and the alarm return voltage measuring device is connected into the detection loop and is used for displaying the current voltage information of each line in the line unit to be measured.
Optionally, the portable fire fighting system line tester further includes: connecting a reverse alarm;
and the voltage side of the functional switch group is connected with the first end of the detection output interface through the reverse connection alarm.
Optionally, the line current module includes: a loop line current measuring device and an alarm line current measuring device;
the loop line current measuring device is connected into the detection loop and used for displaying current information of each loop in the current unit to be tested of the circuit;
and the alarm line current measuring device is connected into the detection loop and is used for displaying current information of each line of the unit to be tested of the current line.
Optionally, the unit to be tested for the line includes: at least two loops to be tested and at least five lines to be tested;
the line changing switch group includes: at least one three-gear change-over switch and at least one five-gear change-over switch;
the input end of the three-gear change-over switch is connected with the second end of the detection input interface, so that each loop to be detected is connected into a detection loop, and the output end of the three-gear change-over switch is connected into the loop line current measuring device; the three-gear change-over switch is used for switching one of the at least two loops to be detected to be connected into a detection loop, so that the loop line current measuring device displays the connected current information of the loops to be detected;
the input end of the fifth-gear change-over switch is connected with the second end of the detection input interface, so that each circuit to be detected is connected into a detection loop, and the output end of the fifth-gear change-over switch is connected into the alarm line current measuring device; the five-gear change-over switch is used for switching one of the at least five lines to be detected to be connected into the detection loop, so that the alarm line current measuring device displays the connected current information of the lines to be detected.
Optionally, the portable fire fighting system line tester further includes: a power supply module;
and the output end of the power supply module is connected with the voltage side of the functional switch group and the power supply end of the current generator, and is used for supplying power to the detection circuit and the current generator.
Optionally, the portable fire fighting system line tester further includes: a plurality of status indicating elements;
each state indicating element is connected with each path in the current unit to be tested of the circuit in a one-to-one correspondence mode; each state indicating element is used for indicating the conduction state of a corresponding path in the current unit to be tested of the line.
The utility model discloses portable fire extinguishing system circuit tester compares beneficial effect with prior art lies in:
the portable fire-fighting system line tester mainly comprises a detection input interface, a detection output interface, a current generator, a function switch group, a loop voltage module, a line current module and a line change-over switch group, has simple structure and low cost, and is used for the quick inspection work of the fire-fighting system line of a barracks; the circuit comprises a functional switch group, a line current module, a line conversion switch group and a current detection module, wherein the functional switch group is used for switching voltage output or current output, the loop voltage module is used for detecting the voltage of a plurality of paths in a current line unit to be detected, the line current module is used for detecting one path of current in the plurality of paths in the current line unit to be detected, the line conversion switch group is used for switching one path of current in the plurality of paths in the current line unit to be detected, rapid fault source positioning is achieved, and the circuit is suitable for single detection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a portable fire fighting system line tester provided by an embodiment of the present invention;
fig. 2 is an application schematic diagram of a portable fire fighting system line tester provided by an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, connections of devices, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to explain the technical solution of the present invention, the following description is made by using specific examples.
Referring to fig. 1, for the structural schematic diagram of the portable fire extinguishing system line tester that this embodiment provided, the portable fire extinguishing system line tester of this embodiment is applicable to the inspection work of barracks fire extinguishing system line, detects swiftly.
Portable fire extinguishing system line tester mainly includes: the circuit comprises a detection input interface 11, a detection output interface 10, a current generator 3, a functional switch group 4 for switching voltage output or current output, a loop voltage module 7 for detecting the voltage of the multiple paths in the current line unit to be detected, a line current module 8 for detecting one path of current in the multiple paths in the current line unit to be detected, and a line change-over switch group 9 for switching one path of the multiple paths in the current line unit to be detected.
The output end of the current generator 3 is connected with the first end of the detection output interface 10 through the current side of the functional switch group 4; the second end of the detection output interface 10 is connected with the first end of each unit to be tested of each line in the fire fighting system; the second end of each unit to be tested of each line in the fire fighting system is connected with the first end of the detection input interface 11, and the second end of the detection input interface 11 is connected with the input end of the line change-over switch group 9; the output end of the line change-over switch group 9 is connected with the receiving end of the line current module 8.
The voltage side of the functional switch group 4 receives an external power supply, and the voltage side of the functional switch group 4 is connected with the first end of the detection output interface 10; the second end of the detection output interface 10 is connected with the first end of each unit to be tested of each line in the fire fighting system; the second end of each unit to be tested of each line in the fire protection system is connected with the first end of the detection input interface 11, and the second end of the detection input interface 11 is connected with the receiving end of the loop voltage module 7.
In the prior art, a fire-fighting linkage system takes each on-site barracks as a basic unit, a fire-fighting line bus and a three-color lamp alarm line are respectively installed in each unit, corresponding fire-fighting devices are installed on the fire-fighting bus according to on-site requirements, the quantity of alarm lamps of requirements are installed on the alarm lines, input and output interfaces of a mixed line defined by unified standards are designed and installed in each barracks, then each house is connected through a connecting trunk cable, and a closed-loop fire-fighting alarm line system is formed. Each house has 8 lines for entering and exiting the fire-fighting system, and has strict requirements on the connection resistance and wiring definition among the lines, and the camps networked on site can be nearly hundreds, so how to quickly and reliably carry out site overhaul and debugging on the numerous camps and networking lines becomes the most complex and difficult problem in the current camps manufacturing process and site overhaul process.
This embodiment will every house be a circuit single unit that awaits measuring, can once only test a house through portable fire extinguishing system line tester, detect swiftly convenient, can realize one-man operation, but quick location trouble circuit. Specifically, the detection input interface 11, the unit to be tested on the line, the external power supply, the functional switch group 4, the loop voltage module 7, and the detection output interface 10 may form a voltage detection loop for detecting whether the voltage in each loop or each line in the unit to be tested on the line is normal. The detection input interface 11, the unit to be tested of the line, the current generator 3, the line change-over switch group 9, the line current module 8 and the detection output interface 10 may form a current detection loop for detecting whether the current in each loop or each line in the unit to be tested of the line is normal.
The portable fire fighting system line tester is simple in structure, low in cost, convenient and fast to move and capable of achieving single-person detection work; each structure realizes the circuit definition and the conductivity detection of each barracks unit, and the circuit definition and the conductivity detection of each trunk connecting cable.
Optionally, the detection input interface 11 is a signal return input 8-core needle seat, and the detection output interface 10 is a signal output 8-core female seat, so that 8 circuits can be tested at one time, the detection complexity is reduced, and the detection speed is increased.
Referring to fig. 1, in one embodiment, the function switch group 4 may include a plurality of automatic reset three-step function switch elements; the three-gear functional switch element is connected with the multiple paths in the current circuit unit to be tested in a one-to-one correspondence mode. In this embodiment, the number of the third-gear functional switch elements is not limited, and may be selected according to the number of lines to be tested, or may not correspond to multiple lines in the current line unit to be tested one by one, as shown in fig. 1, 8 lines may correspond to 5 third-gear functional switch elements, as long as the number of the third-gear functional switch elements can satisfy the connection with each line or loop, so as to provide voltage and current for the corresponding loop or each line.
The voltage side of each three-gear functional switch element is connected with the external power supply and the first end of the detection output interface 10, and the current side of each three-gear functional switch element is connected with the output end of the current generator 3 and the first end of the detection output interface 10.
In one embodiment, as shown in fig. 1, the loop voltage module 7 may include: a loop return voltage measuring device and an alarm return voltage measuring device; the loop return voltage measuring device and the alarm return voltage measuring device are both connected into the voltage detection loop. The loop return voltage measuring device is used for displaying the current voltage information of each loop in the unit to be tested of the circuit; and the alarm return voltage measuring device is used for displaying the current voltage information of each line in the line unit to be measured. Optionally, both the loop return voltage measuring device and the alarm return voltage measuring device may be voltmeters.
In one embodiment, the portable fire protection system line tester may further include: connecting a reverse alarm; the voltage side of the functional switch group 4 is connected with the first end of the detection output interface 10 through the reverse alarm. The reverse connection alarm is used for rapidly giving an audible and visual alarm prompt when the detected positive and negative connections of the corresponding lines are reversed, so that the working personnel can rapidly position the fault.
In one embodiment, as shown in FIG. 1, line current module 8 may include: a loop line current measuring device and an alarm line current measuring device; and the loop line current measuring device and the alarm line current measuring device are both connected into the detection loop. The loop line current measuring device is used for displaying current information of each loop in the current unit to be tested of the circuit; and the alarm line current measuring device is used for displaying current information of each line of the unit to be tested of the current line. Optionally, both the loop line current measuring device and the alarm line current measuring device may be ammeters.
Optionally, the unit to be tested for the line includes: at least two loops to be tested and at least five lines to be tested;
in one embodiment, as shown in fig. 1, the line switcher group 9 may include: at least one three-gear change-over switch and at least one five-gear change-over switch.
The input end of the three-gear change-over switch is connected with the second end of the detection input interface 11, so that each loop to be detected is connected into the detection loop, and the output end of the three-gear change-over switch is connected into a loop line current measuring device; the three-gear change-over switch is used for switching one of the at least two loops to be tested to be connected into the detection loop, so that the loop line current measuring device displays the current information of the connected loop to be tested.
The input end of the fifth-gear change-over switch is connected with the second end of the detection input interface 11, so that each circuit to be detected is connected into the detection loop, and the output end of the fifth-gear change-over switch is connected with the alarm line current measuring device; the five-gear change-over switch is used for switching one of at least five lines to be detected to be connected into the detection loop, so that the alarm line current measuring device displays the current information of the connected line to be detected.
In one embodiment, the portable fire protection system line tester may further comprise: and a power supply module (not shown in the figure), wherein an output end of the power supply module is connected with both a voltage side of the functional switch group 4 and a power supply end of the current generator 3. The power supply module is used for supplying power to the detection loop and the current generator 3, so that the field power-on work test task of the three-color lamp is realized, direct power-on forced test is not needed, the personal safety is ensured, and the detection complexity is reduced.
Optionally, the power supply module can be a 6500mAH-24V high-capacity lithium battery pack, and the tester can complete 72-hour field line test and equipment verification work after one-time charging.
The portable fire fighting system line tester of the present embodiment may further include: a plurality of status indicating elements 6, for example status indicating lights. Each state indicating element 6 is connected with each path in the current line unit to be tested in a one-to-one correspondence mode; each state indicating element 6 is used for indicating the conducting state of the corresponding path in the current line unit to be tested.
The portable fire fighting system line tester of the present embodiment may further include a power switch 1 and an operation indicator lamp 2. When the power switch 1 is turned on, if the work indicator light 2 is on or green, the tester is determined to work normally, and if the work indicator light 2 is not on or red, the tester fails and cannot work.
According to the structural description of the portable fire fighting system line tester, referring to fig. 2, a specific working flow of the tester of the embodiment is described by an embodiment as follows:
the tester is provided with 2 groups of signal line quick connection interfaces (a detection input interface 11 and a detection output interface 10), one group is a detection signal output 8-core female seat, the other group is a detection signal return input 8-core needle seat, the 8-core connectors are connected with barracks input and output connectors, and the trunk connectors of the rooms are models which are completely compatible with each other.
The unit to be tested of the circuit is reliably connected with the tester through the connecting cable, the power switch 1 of the tester is turned on, the display screen of the current generator 3 of 4-20mA is lightened, the current value appears, the lifting button below the screen is adjusted, and the current data on the screen and output can be changed according to specific conditions. According to the circuit guidance of a test panel, voltage drive on-off and current passing capability test are respectively carried out on each core circuit, 5 groups of test button switches in the panel are automatic reset three-gear switches, when the switches stay at the middle position, both sides are in an off state, when the switches are moved to the current transmission side, set current generated by a 4-20mA current generator 3 passes through the three-gear switches, then passes through a detection output interface 10 to an external circuit to be tested, then returns to a detector current change-over switch through a detection input interface 11, enters a current meter, and displays the current value of the current circuit pointed by the change-over switch. The current value should theoretically be equal to or slightly less than the current reading displayed on the display screen of the current generator 3; when the current value is closer to the set value of the 4-20mA current generator 3, the conductivity of the line is excellent, otherwise, the line is indicated to have a conduction fault, accurate indication is provided for maintenance, for example, when the current attenuation amplitude is too large or no current exists, the current line fault is indicated to be a specific fault such as disconnection, poor contact or virtual connection, and the length value of the line can be calculated through reading of the current reduction value.
When the three-gear switch is moved to the power transmission side, the transmission voltage value of the corresponding line is displayed on the return voltmeter, the output voltage is generally DC24V, if the return voltage value is also required to be 24V, the line is judged to be normal, and simultaneously, the color indicator lamp corresponding to the line is simultaneously lightened, and if the color indicator lamp is smaller than or larger than DC24V, the line is abnormal; meanwhile, the corresponding equipment in the barracks is subjected to an electric reaction, whether the definition of the internal circuit of the barracks and the function of the equipment are normal or not is authenticated, when plus and minus circuits are in reverse connection fault in a circuit system, the alarm lamp 5 connected on the panel continuously flashes and gives an alarm, the pointer of the voltmeter rotates reversely, and through the definition mark of the panel wire, the set of circuit plus and minus is in reverse connection and the indication of the circuit plus and minus is in reverse connection can be quickly judged, and the clear definition is provided for maintenance.
In the embodiment, the portable fire-fighting system line tester is simple in structure and low in cost, and can be used for quickly detecting the on-off test and the current conduction capability test of the trunk connecting cable and the connecting loop. Compared with a universal meter and a direct power-up detection method, the tester of the embodiment is convenient, rapid and visual, is convenient and fast in operation process, can rapidly detect and screen the on-off definition and the conductive capacity judgment of a line, achieves rapid alarm, indicates reverse connection information of the line, and simultaneously implements rapid detection capacity on system equipment from a power-on source.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A portable fire protection system line tester, comprising: the circuit comprises a detection input interface, a detection output interface, a current generator, a functional switch group for switching voltage output or current output, a loop voltage module for detecting the voltage of the multiple routes in the current line unit to be detected, a line current module for detecting one path of current in the multiple routes in the current line unit to be detected and a line change-over switch group for switching one path of the multiple routes in the current line unit to be detected;
the output end of the current generator is connected with the first end of the detection output interface through the current side of the functional switch group; the second end of the detection output interface is connected with the first end of each unit to be tested of the circuit in the fire fighting system; the second end of each unit to be tested of the circuit in the fire fighting system is connected with the first end of the detection input interface, and the second end of the detection input interface is connected with the input end of the line change-over switch group; the output end of the line change-over switch group is connected with the receiving end of the line current module;
the voltage side of the function switch group receives an external power supply, and is connected with the first end of the detection output interface; and the second end of the detection input interface is connected with the receiving end of the loop voltage module.
2. The portable fire protection system line tester as recited in claim 1, wherein said test input interface is a signal return input 8-pin socket.
3. The portable fire protection system line tester as recited in claim 1, wherein said detection output interface is a signal output 8-core female socket.
4. The portable fire protection system line tester of claim 1, wherein the set of function switches comprises a plurality of three-position function switch elements; the three-gear functional switch element is connected with multiple paths in the current unit to be tested of the circuit in a one-to-one correspondence manner;
the voltage side of each third-gear functional switch element is connected with an external power supply and the first end of the detection output interface, and the current side of each third-gear functional switch element is connected with the output end of the current generator and the first end of the detection output interface.
5. The portable fire protection system line tester of claim 1, wherein the loop voltage module comprises: a loop return voltage measuring device and an alarm return voltage measuring device;
the loop return voltage measuring device is connected into the detection loop and used for displaying the current voltage information of each loop in the unit to be tested of the circuit;
and the alarm return voltage measuring device is connected into the detection loop and is used for displaying the current voltage information of each line in the line unit to be measured.
6. The portable fire protection system line tester of claim 5, further comprising: connecting a reverse alarm;
and the voltage side of the functional switch group is connected with the first end of the detection output interface through the reverse connection alarm.
7. The portable fire protection system line tester of claim 1, wherein the line current module comprises: a loop line current measuring device and an alarm line current measuring device;
the loop line current measuring device is connected into the detection loop and used for displaying current information of each loop in the current unit to be tested of the circuit;
and the alarm line current measuring device is connected into the detection loop and is used for displaying current information of each line of the unit to be tested of the current line.
8. The portable fire protection system line tester of claim 7, wherein the line under test unit comprises: at least two loops to be tested and at least five lines to be tested;
the line changing switch group includes: at least one three-gear change-over switch and at least one five-gear change-over switch;
the input end of the three-gear change-over switch is connected with the second end of the detection input interface, so that each loop to be detected is connected into a detection loop, and the output end of the three-gear change-over switch is connected into the loop line current measuring device; the three-gear change-over switch is used for switching one of at least two loops to be detected to be connected into a detection loop, so that the loop line current measuring device displays the connected current information of the loops to be detected;
the input end of the fifth-gear change-over switch is connected with the second end of the detection input interface, so that each circuit to be detected is connected into a detection loop, and the output end of the fifth-gear change-over switch is connected into the alarm line current measuring device; the five-gear change-over switch is used for switching one of at least five lines to be detected to be connected into the detection loop, so that the alarm line current measuring device displays the connected current information of the lines to be detected.
9. A portable fire protection system line tester as defined in any one of claims 1 to 8, wherein the portable fire protection system line tester further comprises: a power supply module;
and the output end of the power supply module is connected with the voltage side of the functional switch group and the power supply end of the current generator, and is used for supplying power to the detection circuit and the current generator.
10. A portable fire protection system line tester as defined in any one of claims 1 to 8, wherein the portable fire protection system line tester further comprises: a plurality of status indicating elements;
each state indicating element is connected with each path in the current unit to be tested of the circuit in a one-to-one correspondence mode; each state indicating element is used for indicating the conduction state of a corresponding path in the current unit to be tested of the line.
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| CN202021986938.2U CN213724587U (en) | 2020-09-12 | 2020-09-12 | Portable fire-fighting system line tester |
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| CN202021986938.2U CN213724587U (en) | 2020-09-12 | 2020-09-12 | Portable fire-fighting system line tester |
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