CN112489349B - Modular electric fire detector exempts from to work a telephone switchboard test load car - Google Patents
Modular electric fire detector exempts from to work a telephone switchboard test load car Download PDFInfo
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- CN112489349B CN112489349B CN202011287629.0A CN202011287629A CN112489349B CN 112489349 B CN112489349 B CN 112489349B CN 202011287629 A CN202011287629 A CN 202011287629A CN 112489349 B CN112489349 B CN 112489349B
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/54—Testing for continuity
Abstract
The invention relates to a combined type electrical fire detector wiring-free test load vehicle which comprises a load frame main body, wherein the load frame main body is a frame surrounded by cross rods and vertical rods, load wheels are installed at the bottom of the load frame main body, a test tool main body is fixed on the load frame main body, the test tool main body consists of a plurality of test boxes, the front side of the test tool main body is connected with a front cover, a DC24V selector switch and a residual current input line are arranged on the front cover, the rear side of the test tool main body is connected with a rear cover, the rear cover is provided with a plurality of hollow structures corresponding to the number of the test boxes, and the outer side of the rear cover is correspondingly provided with a plurality of quick fixing clamps; the technical scheme provided by the invention can avoid manual repeated wiring and dismounting links, realize batch production detection of the combined electrical fire detector and reduce the labor cost in the product inspection process.
Description
Technical Field
The invention belongs to the technical field of product detection, and relates to a combined type electrical fire detector test load vehicle, in particular to a combined type electrical fire detector wiring-free test load vehicle.
Background
The combined type electric fire detector monitors the monitored electric circuit in real time through the matched residual current transformer and the temperature sensor, detects the magnitude of leakage current and the temperature of a lead in the electric circuit, and predicts the possibility of fire. When the residual current or the temperature of the tested line exceeds a set value, the detector gives an alarm and transmits the alarm information to the connected electric fire monitoring equipment through the bus. Before the electric fire detector leaves a factory, the functions of the electric fire detector need to be detected so as to ensure the service performance of the electric fire detector.
The whole test channel number of combination formula electric fire detector is more, need the tester to open a way to every passageway during the inspection, the function of state such as short circuit and fire alarm tests one by one, if combination formula electric fire detector has a residual current test channel and four temperature test channels, then single product short circuit test need carry out 5 shorts and 5 times cancel the operation, open a way the test and need carry out 5 times of stitches removing and 5 times stitch pressing operation, the fire alarm test needs to carry out once current control and 4 times of intensification operations, a plurality of products are tested and then need many times of operations, need carry out repeatedly the tear-off to the circuit, thereby cause man-hour's large amount of consumption, be unfavorable for the mass production of product and detect, this is prior art's weak point.
Therefore, it is very necessary to provide a combined electrical fire detector wiring-free test load vehicle to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a wiring-free test load vehicle for a combined electrical fire detector, aiming at the defects that a circuit needs to be repeatedly disconnected and connected, a large amount of working hours are consumed, and the detection of the combined electrical fire detector is not beneficial to the mass production of products during the test, so that the technical problems are solved, manual repeated wiring and disassembling and assembling links are omitted, the mass production detection of the combined electrical fire detector is realized, and the labor cost in the product inspection process is reduced.
In order to achieve the purpose, the invention provides the following technical scheme:
a combined type electrical fire detector wiring-free test load vehicle comprises a load frame main body, wherein the load frame main body is a frame formed by enclosing cross rods and vertical rods, load wheels are mounted at the bottom of the load frame main body, a test tool main body is fixed on the load frame main body and consists of a plurality of test boxes, the front side of the test tool main body is connected with a front cover, a DC24V selector switch and a residual current input line are arranged on the front cover, the rear side of the test tool main body is connected with a rear cover, the rear cover is provided with a plurality of hollow structures corresponding to the number of the test boxes, and the outer side of the rear cover is correspondingly provided with a plurality of quick fixing clamps;
every test box is equipped with a detector product, the test box is to the upside of detector product, the downside, the left side, right side and front side are fixed and spacing, the rear side of detector product is fixed by back lid and quick fixation clamp, be provided with test circuit board on the test box, mutual inductance coil is connected to test circuit board's lower extreme, pass the residual current input line in the mutual inductance coil, the last alarm bus that is provided with of test circuit board, residual current test probe and temperature test probe, residual current test probe links to each other with the residual current test channel of detector product, temperature test probe links to each other with the temperature test channel of detector product, alarm bus connects the alarm system of detector product.
Preferably, the residual current input line is connected with a digital three-purpose meter calibrator; the current required by the alarm value is input into the residual current input line through the digital three-purpose meter calibrator, and whether the leakage current alarm function of a plurality of detector products is normal or not is detected.
Preferably, the detector product comprises one residual current test channel and four temperature test channels.
Preferably, the test circuit board comprises a relay K2, a relay K4 and a relay K7, a first end of a coil of the relay K2, a first end of a coil of the relay K4 and a first end of a coil of the relay K7 are all connected with a first end of a short-circuit control line, a second end of a coil of the relay K2, a second end of a coil of the relay K4 and a second end of a coil of the relay K7 are all connected with a second end of the short-circuit control line, when the first end and the second end of the short-circuit control line are connected, the relay K2, the relay K4 and the relay K7 are operated, corresponding to the short circuit of one residual current testing channel and four temperature testing channels, the first end and the second end of the short circuit control line are disconnected, the relay K2, the relay K4 and the relay K7 are recovered, corresponding to one residual current test channel and four temperature test channels, returning to a normal monitoring state, recovering short-circuit faults, and connecting short-circuit control lines on a plurality of test boxes in parallel to a short-circuit switch of the DC24V selection switch; the short circuit test of the residual current test channels and the temperature test channels of all detector products on the test tool main body can be completed through the on-off operation of the short circuit switch.
Preferably, the test circuit board comprises a relay K3, a relay K5 and a relay K8, a first end of a coil of the relay K3, a first end of a coil of the relay K5 and a first end of a coil of the relay K8 are all connected with a first end of an open control line, a second end of a coil of the relay K3, a second end of a coil of the relay K5 and a second end of a coil of the relay K8 are all connected with a second end of the open control line, when the first end and the second end of the open control line are connected, the relay K3, the relay K5 and the relay K8 are operated, corresponding to the open circuit of one residual current testing channel and four temperature testing channels, the first end and the second end of the open circuit control line are disconnected, the relay K3, the relay K5 and the relay K8 are recovered, corresponding to one residual current test channel and four temperature test channels, returning to a normal monitoring state, recovering open-circuit faults, and connecting open-circuit control lines on a plurality of test boxes in parallel to an open-circuit switch of the DC24V selection switch; the open circuit test of residual current test channels and temperature test channels of all detector products on the test tool main body can be completed through the one-time closing and opening operation of the open circuit switch.
Preferably, an equivalent load 100K Ω is connected between temperature test probes on the test circuit board, 100K Ω is equivalent to the internal resistance of the temperature sensing resistor at the ambient temperature of 25 ℃, the test circuit board comprises a relay K1 and a relay K6, a first coil end of the relay K1 and a first coil end of the relay K6 are both connected with a first temperature control line end, a second coil end of the relay K1 and a second coil end of the relay K6 are both connected with a second temperature control line end, when the first end and the second end of the temperature control line are connected, the relay K1 and the relay K6 operate, the four temperature testing channels are simultaneously connected with a 20K omega resistor in parallel on the basis of the original 100K omega resistor, the resistance values of the four temperature testing channels are changed into 16.67K omega which is slightly higher than the alarm value of the temperature testing channels, so that the temperature testing channels can alarm, and the temperature control lines on a plurality of testing boxes are connected in parallel to the temperature alarm switch of the DC24V selector switch; whether the high-temperature alarm function of all detector products on the test tool main body is normal can be detected through the on-off operation of the temperature alarm switch.
Preferably, triangular stabilizing supports are arranged on two sides of the vertical rod of the load frame main body; the stability of the load frame main body is enhanced through the triangular stabilizing support.
Preferably, the load-bearing wheels comprise directional wheels and universal wheels; the test load vehicle can move more flexibly through the cooperation of the directional wheels and the universal wheels, and is convenient to operate and use.
The invention has the advantages that the test box replaces the original screw line pressing connection mode by adopting the contact connection mode of the probe, the on-off control is carried out on the electromagnetic relay, the short circuit state and the open circuit state in the test link are simulated, the normal state resistance value and the alarm state resistance value of the thermistor are measured, the fixed value resistance is adopted for replacing, the operation of connecting the thermistor is saved, a plurality of test boxes are arranged on one test load vehicle, the test load vehicle can complete the function debugging of a plurality of detector products at one time through the control of 3 switches and the adjustment of a digital three-purpose meter calibrator at one time, compared with the original production test flow, the manual repeated wiring and dismounting link is avoided, thereby saving a large amount of manual operation time, and directly reducing the labor cost in the product inspection process. Meanwhile, the number of the test boxes of the test load vehicle can be flexibly adjusted according to the production scale, and only the loading number of a single test load vehicle is increased and the load current of the DC24V power supply is increased. In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Therefore, compared with the prior art, the invention has prominent substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wiring-free test load vehicle of the combined electrical fire detector.
FIG. 2 is a schematic structural diagram of the test cassette.
Fig. 3 is a circuit diagram of a test circuit board.
The device comprises a load frame main body 1, a load wheel 2, a test tool main body 3, a test box 4, a front cover 5, a DC24V selection switch 6, a residual current input line 7, a rear cover 8, a quick fixing clamp 9, a detector product 10, a test circuit board 11, a mutual inductor 12, a residual current test probe 13, a temperature test probe 14 and a triangular stabilizing support 15.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
As shown in fig. 1, the wiring-free test load vehicle for the combined type electrical fire detector provided by the invention comprises a load frame main body 1, wherein the load frame main body 1 is a frame surrounded by cross rods and vertical rods, triangular stabilizing supports 15 are arranged on two sides of the vertical rods of the load frame main body 1, and the stability of the load frame main body 1 is enhanced through the triangular stabilizing supports 15. The bottom of the load frame main body 1 is provided with a load wheel 2, and the load wheel 2 comprises a directional wheel and a universal wheel; the test load vehicle can move more flexibly through the cooperation of the directional wheels and the universal wheels, and is convenient to operate and use. Be fixed with test fixture main part 3 on the load frame main part 1, test fixture main part 3 comprises 56 test cassette 4, and protecgulum 5 is connected to the front side of test fixture main part 3, is provided with DC24V selection switch 6 and residual current input line 7 on the protecgulum 5, and lid 8 behind the rear side connection of test fixture main part 3 has 56 hollow out construction that correspond test cassette quantity on the lid 8 behind, and the lid 8 outside correspondence is provided with 56 quick fixation clamp 9 behind.
The residual current input line 7 is connected with a digital three-purpose meter calibrator; the current required by the alarm value is input into the residual current input line 7 through the digital three-purpose meter calibrator, and whether the leakage current alarm function of 56 detector products 10 is normal or not is detected.
As shown in fig. 2, each test box 4 is provided with a detector product 10, the test box 4 fixes and limits the upper side, the lower side, the left side, the right side and the front side of the detector product 10, the rear side of the detector product 10 is fixed by a rear cover 8 and a quick fixing clamp 9, the test box 4 is provided with a test circuit board 11, the lower end of the test circuit board 11 is connected with a mutual inductor 12, a residual current input line 7 passes through the mutual inductor 12, the test circuit board 11 is provided with an alarm bus, a residual current test probe 13 and a temperature test probe 14, the residual current test probe 13 is connected with a residual current test channel of the detector product 10, the temperature test probe 14 is connected with the temperature test channel of the detector product 10, and the alarm bus is connected with an alarm system of the detector product 10.
The detector product 10 includes one residual current test channel and four temperature test channels.
As shown in fig. 3, the test circuit board 11 includes a relay K2, a relay K4 and a relay K7, a first end of a coil of the relay K2, a first end of a coil of the relay K4 and a first end of a coil of the relay K7 are all connected to a first end of a short circuit control line, a second end of a coil of the relay K2, a second end of a coil of the relay K4 and a second end of a coil of the relay K7 are all connected to a second end of the short circuit control line, when the first end and the second end of the short circuit control line are connected, the relay K2, the relay K4 and the relay K7 are operated, corresponding to the short circuit of one residual current testing channel and four temperature testing channels, the first end and the second end of the short circuit control line are disconnected, the relay K2, the relay K4 and the relay K7 are recovered, corresponding to one residual current test channel and four temperature test channels, the short-circuit fault is recovered, and the short-circuit control lines on the 56 test boxes 4 are connected in parallel to the short-circuit switch of the DC24V selector switch 6; the short circuit test of all the residual current test channels and all the temperature test channels of the 56 probe products 10 can be completed by one closing and opening operation of the short circuit switch.
The test circuit board 11 comprises a relay K3, a relay K5 and a relay K8, wherein the first end of a coil of the relay K3, the first end of a coil of the relay K5 and the first end of a coil of the relay K8 are all connected with the first end of an open circuit control line, the second end of a coil of the relay K3, the second end of a coil of the relay K5 and the second end of a coil of the relay K8 are all connected with the second end of the open circuit control line, when the first end and the second end of the open circuit control line are connected, the relay K3, the relay K5 and the relay K8 act, corresponding to the open circuit of one residual current testing channel and four temperature testing channels, the first end and the second end of the open circuit control line are disconnected, the relay K3, the relay K5 and the relay K8 are recovered, corresponding to one residual current test channel and four temperature test channels, the open-circuit fault is recovered, and the open-circuit control lines on the 56 test boxes 4 are connected in parallel to the open-circuit switch of the DC24V selector switch 6; the open circuit testing of all residual current test channels and all temperature test channels of the 56 probe products 10 can be accomplished by one closing and opening operation of the open circuit switch.
An equivalent load 100K omega is connected between temperature test probes on the test circuit board 11, 100K omega is equivalent to the internal resistance value of a temperature sensing resistor at the ambient temperature of 25 ℃, the test circuit board comprises a relay K1 and a relay K6, the first end of a coil of the relay K1 and the first end of a coil of the relay K6 are both connected with the first end of a temperature control line, the second end of the coil of the relay K1 and the second end of the coil of the relay K6 are both connected with the second end of the temperature control line, when the first end and the second end of the temperature control line are connected, the relay K1 and the relay K6 act, the four corresponding temperature testing channels are connected with a 20K omega resistor in parallel on the basis of the original 100K omega resistor, the resistance values of the four temperature testing channels are changed into 16.67K omega which is slightly higher than the alarm value of the temperature testing channels, the temperature testing channels alarm, and the temperature control lines on 56 testing boxes 4 are connected in parallel to the temperature alarm switch of the DC24V selector switch 6; whether the high temperature alarm function of the 56 probe products 10 is normal can be detected through one time of the closing and opening operation of the temperature alarm switch.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any non-inventive changes that can be made by those skilled in the art and several modifications and amendments made without departing from the principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. The combined type electrical fire detector wiring-free test load vehicle is characterized by comprising a load frame main body, wherein the load frame main body is a frame surrounded by cross rods and vertical rods, load wheels are mounted at the bottom of the load frame main body, a test tool main body is fixed on the load frame main body and consists of a plurality of test boxes, the front side of the test tool main body is connected with a front cover, a DC24V selector switch and a residual current input line are arranged on the front cover, the rear side of the test tool main body is connected with a rear cover, a plurality of hollow structures corresponding to the number of the test boxes are arranged on the rear cover, and a plurality of quick fixing clamps are correspondingly arranged on the outer side of the rear cover;
each test box is internally provided with a detector product, the test box fixes and limits the upper side, the lower side, the left side, the right side and the front side of the detector product, the rear side of the detector product is fixed by a rear cover and a quick fixing clamp, a test circuit board is arranged on the test box, the lower end of the test circuit board is connected with a mutual inductance coil, a residual current input line penetrates through the mutual inductance coil, an alarm bus, a residual current test probe and a temperature test probe are arranged on the test circuit board, the residual current test probe is connected with a residual current test channel of the detector product, the temperature test probe is connected with the temperature test channel of the detector product, and the alarm bus is connected with an alarm system of the detector product;
the detector product comprises a residual current testing channel and four temperature testing channels;
the test circuit board comprises a relay K2, a relay K4 and a relay K7, wherein the first end of a coil of the relay K2, the first end of a coil of the relay K4 and the first end of a coil of the relay K7 are connected with the first end of a short-circuit control line, the second end of a coil of the relay K2, the second end of a coil of the relay K4 and the second end of a coil of the relay K7 are connected with the second end of the short-circuit control line, when the first end and the second end of the short-circuit control line are connected, the relay K2, the relay K4 and the relay K7 act, corresponding to the short circuit of one residual current testing channel and four temperature testing channels, the first end and the second end of the short circuit control line are disconnected, the relay K2, the relay K4 and the relay K7 are recovered, and corresponding to one residual current test channel and four temperature test channels, returning to a normal monitoring state, recovering short-circuit faults, and connecting short-circuit control lines on a plurality of test boxes in parallel to a short-circuit switch of the DC24V selection switch.
2. The modular electrical fire detector wiring-free test load vehicle of claim 1, wherein the residual current input line is connected to a digital three-meter calibrator.
3. The combined type electric fire detector wiring-free test load vehicle as claimed in claim 1 or 2, wherein the test circuit board comprises a relay K3, a relay K5 and a relay K8, a first coil end of the relay K3, a first coil end of the relay K5 and a first coil end of the relay K8 are all connected with a first open control line end, a second coil end of the relay K3, a second coil end of the relay K5 and a second coil end of the relay K8 are all connected with a second open control line end, when the first and second open control lines are connected, the relay K3, the relay K5 and the relay K8 are actuated to open corresponding to one residual current test channel and four temperature test channels, the first and second ends of the open control lines are disconnected, the relay K3, the relay K5 and the relay K8 are restored, and corresponding one residual current test channel and four temperature test channels are returned to a normal monitoring state, open circuit fault recovery, open control lines on several test cartridges are connected in parallel to the open switches of the DC24V selection switches.
4. The combined type electrical fire detector wiring-free test load vehicle as claimed in claim 3, wherein an equivalent load 100K Ω is connected between temperature test probes on the test circuit board, 100K Ω is equivalent to an internal resistance value of a temperature sensing resistor at an ambient temperature of 25 ℃, the test circuit board comprises a relay K1 and a relay K6, a first coil end of the relay K1 and a first coil end of the relay K6 are both connected with a first temperature control line end, a second coil end of the relay K1 and a second coil end of the relay K6 are both connected with a second temperature control line end, when the first and second temperature control lines are connected, the relay K1 and the relay K6 act, corresponding to four temperature test channels, a 20K Ω resistor is connected in parallel on the basis of the original 100K Ω resistor, and the resistance values of the four temperature test channels become 16.67K Ω, which is slightly higher than the alarm value of the temperature test channels, temperature test channel alarm is realized, and temperature control lines on a plurality of test boxes are connected in parallel to a temperature alarm switch of the DC24V selector switch.
5. The combined type electrical fire detector wiring-free test load vehicle as claimed in claim 4, wherein triangular stabilizing supports are arranged on two sides of the vertical rod of the load frame main body.
6. The modular electrical fire detector wiring-free test load vehicle of claim 5, wherein the load wheels comprise directional wheels and universal wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287629.0A CN112489349B (en) | 2020-11-17 | 2020-11-17 | Modular electric fire detector exempts from to work a telephone switchboard test load car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011287629.0A CN112489349B (en) | 2020-11-17 | 2020-11-17 | Modular electric fire detector exempts from to work a telephone switchboard test load car |
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| CN112489349A CN112489349A (en) | 2021-03-12 |
| CN112489349B true CN112489349B (en) | 2022-03-01 |
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| CN202011287629.0A Active CN112489349B (en) | 2020-11-17 | 2020-11-17 | Modular electric fire detector exempts from to work a telephone switchboard test load car |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011086599A1 (en) * | 2010-01-14 | 2011-07-21 | 株式会社プロサス | Testing instrument |
| CN203519744U (en) * | 2013-10-22 | 2014-04-02 | 天津市爱威电子有限公司 | Combined special-purpose test load vehicle |
| CN205582181U (en) * | 2016-03-01 | 2016-09-14 | 南京国电南自轨道交通工程有限公司 | Multisensor combination formula electric fire control detector |
| CN105806759A (en) * | 2016-04-28 | 2016-07-27 | 四川赛科安全技术有限公司 | Automatic smoke detector online test tooling and testing method thereof |
| CN210836461U (en) * | 2019-12-23 | 2020-06-23 | 北京北元安达电子有限公司 | Combined type electric fire detector function inspection tool |
| CN110927569A (en) * | 2019-12-31 | 2020-03-27 | 核动力运行研究所 | Electromagnetic relay aging copying and performance detection test system and method |
| CN111564029B (en) * | 2020-05-25 | 2023-11-24 | 浙江台谊消防设备有限公司 | Factory detection and aging experiment device of wiring type fire detector |
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