CN109342937B - Detection method and detection device of delay switch with fire protection or centralized control function - Google Patents
Detection method and detection device of delay switch with fire protection or centralized control function Download PDFInfo
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- CN109342937B CN109342937B CN201811438597.2A CN201811438597A CN109342937B CN 109342937 B CN109342937 B CN 109342937B CN 201811438597 A CN201811438597 A CN 201811438597A CN 109342937 B CN109342937 B CN 109342937B
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- 238000001514 detection method Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
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Abstract
The invention relates to the field of low-voltage appliances, in particular to a detection method and a detection device of a delay switch with a fire-fighting or centralized control function, wherein the detection method is characterized in that a fire-fighting centralized control end Ct of the delay switch is connected with a zero line N, a load end LAt of the delay switch is connected with the zero line N through a load unit, a live wire end Lt of the delay switch is connected with a live wire L, and a zero line end Nt of the delay switch is directly connected with the zero line N or is connected with the zero line N through the load unit, so that the delay switch is repeatedly turned on and off; the detection method has simple steps and can accurately detect the functional quality of the delay switch; the detection device is simple in structure and can accurately detect the functional quality of the delay switch.
Description
Technical Field
The invention relates to the field of piezoelectric devices, in particular to a detection method and a detection device of a delay switch with a fire protection or centralized control function.
Background
In daily life, people often use a delay switch triggered by sound and light, infrared and touch, along with the improvement of safety requirements of people, the delay switch often has the functions of fire control and centralized control and forced lighting of loads, and novel three-wire and four-wire delay switch products with fire control or centralized control functions are often damaged after long-term use and have functional failure, and the whole unit power grid can be seriously caused to be unable to run normally.
In the practical application scene, the delay switch with the fire-fighting or centralized control function controls whether the load works or not by controlling the on-off of the fire wire of the load, and the fire-fighting centralized control wire is directly connected with the fire wire of the load through the fire-fighting or centralized control end of the delay switch, so that the load can be directly lightened. When the fire control or centralized control ends of all the delay switches on the whole line are simultaneously connected with the fire control centralized control line, when the fire control centralized control line is not powered, all loads (such as incandescent lamps and the like) are equivalent to being directly connected on the fire control centralized control line in parallel, when the products connected in parallel are enough, according to the parallel principle, the resistance value between the fire control centralized control line and the zero line is smaller and is close to zero, the fire control centralized control line is equivalent to the zero line, at the moment, the fire control centralized control line and the fire line are equivalent to not passing through the loads, 220V voltage difference is directly applied to the products (delay switches), if no reasonable isolation design exists between the fire control centralized control line and the fire line in the products, the products work abnormally, the service life is rapidly reduced, and the whole power grid is abnormal in operation in serious cases.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a detection method of a delay switch with a fire-fighting or centralized control function, which has simple steps and can accurately detect the functional quality of the delay switch; the detection device of the delay switch with the fire protection or centralized control function is simple in structure, and the function quality of the delay switch can be accurately detected.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a detection method of a delay switch with fire protection or centralized control function is to connect a fire protection centralized control end Ct of the delay switch with a zero line N, a load line end LAt of the delay switch is connected with the zero line N through a load unit 15, a live line end Lt of the delay switch is connected with a live line L, and a zero line end Nt of the delay switch is directly connected with the zero line N or connected with the zero line N through the load unit 15, so that the delay switch is repeatedly turned on and off.
Preferably, the delay switch is switched on and off for n times, and n is more than or equal to 10000.
A detection device of a delay switch with a fire-fighting or centralized control function is applied to the detection method of the delay switch with the fire-fighting or centralized control function.
The detection device with the fire-fighting or centralized control function comprises a controller 13, a counting unit 14, a load unit 15, a first wiring terminal 1a for connecting with a fire-fighting centralized control end Ct of the delay switch, a second wiring terminal 2a for connecting with a load terminal LAt of the delay switch, and a third wiring terminal 3a for connecting with a live wire end Lt of the delay switch; the controller 13 is in control connection with the counting unit 14, two ends of the controller 13 are respectively connected with the first wiring terminal 1a and the live wire L, the third wiring terminal 3a is connected with the live wire L, the counting unit 14 is connected with the second wiring terminal 2a, the counting unit 14 is connected with the zero line L through the load unit 15, and the first wiring terminal 1a is connected with the zero line N;
in the detection process, the controller 13 is used for triggering the delay switch, the counting unit 14 is used for measuring the on-off times of the delay switch, and the load unit 15 is used for simulating the actual load of the delay switch.
Preferably, the circuit further comprises a fourth terminal 4a for connecting with the zero line N, the delay switch is a four-wire delay switch, and the zero line end Nt of the delay switch is connected with the fourth terminal 4 a.
Preferably, the load unit 15 is an indication unit for indicating a delay switch.
Preferably, the indication unit is an incandescent lamp, an LED lamp, or an energy-saving lamp.
Preferably, the detection device is grounded through a grounding wire E.
Preferably, the controller 13 and the counting unit 14 are in an integral structure, and the counting unit 14 is integrated with the controller 13.
Preferably, the device further comprises a product detection station for installing a fixed delay switch;
the delay switch comprises a trigger button, and a trigger structure which is connected with the controller 13 and is matched with the trigger button is arranged on the product detection station.
Preferably, the device further comprises a sounding element connected with the controller 13 and used for triggering a delay switch, and the delay switch comprises a sound control switch.
Preferably, the device further comprises a product detection station for installing a fixed delay switch;
the delay switch comprises a light-operated switch, and a light-emitting element connected with the controller 13 is arranged at a corresponding position on the product detection station; or the delay switch is an infrared switch, and an infrared element connected with the controller 13 is arranged at a corresponding position on the product detection station.
Preferably, the controller 13 comprises timing means and counting means.
According to the detection method and the detection device for the delay switch with the fire-fighting or centralized control function, the fire-fighting centralized control end Ct of the delay switch with the fire-fighting or centralized control function is directly connected with the zero line N, so that under the severe and extreme conditions, the inspection of the isolation design inside the delay switch with the fire-fighting or centralized control function is realized, the normal use of the delay switch with the fire-fighting or centralized control function in an actual scene is ensured, and the normal operation of the whole power grid is ensured.
Drawings
FIG. 1 is a schematic diagram of a detecting device with fire or centralized control function for detecting a four-wire delay switch according to the present invention;
FIG. 2 is a schematic diagram of a detecting device with fire or centralized control function for detecting a three-wire delay switch according to the present invention;
FIG. 3 is a schematic diagram of the connection of the four-wire delay switch of the present invention in a practical application scenario;
fig. 4 is a schematic diagram of connection of the three-wire delay switch in the practical application scenario.
Detailed Description
The following is a description of specific embodiments of the method and apparatus for detecting a time delay switch with fire protection or centralized control according to the present invention, with reference to the examples shown in fig. 1-4. The detection method and the detection device of the time delay switch with the fire protection or centralized control function are not limited to the description of the following embodiments.
According to the detection method of the delay switch with the fire protection or centralized control function, the fire protection centralized control end Ct of the delay switch is connected with the zero line, the load line end LAt of the delay switch is connected with the zero line N through the load unit 15, the live line end Lt of the delay switch is connected with the live line L, and the zero line end Nt of the delay switch is directly connected with the zero line N or is connected with the zero line N through the load unit 15, so that the delay switch is repeatedly turned on and off.
The existing delay switch with fire protection or centralized control function comprises a four-wire delay switch 101 and a three-wire delay switch 102, and the two delay switches are applied in specific applications:
as shown in fig. 3, the delay switch with fire protection or centralized control function is a four-wire delay switch 101, the fire protection centralized control end Ct of which is connected with the fire protection centralized control line F, the live wire end Lt is connected with the live wire L, the load wire end LAt is connected with the zero line N through the load unit 15, and the zero wire end Nt is directly connected with the zero line N;
as shown in fig. 4, the delay switch with fire protection or centralized control function is a three-wire delay switch 102, the fire protection centralized control end Ct of which is connected with the fire protection centralized control line F, the live wire end Lt is connected with the live wire L, the load wire end LAt is connected with the zero wire end Nt, and the node between the load wire end LAt and the zero wire end Nt is connected with the zero wire N through the load unit 15;
when the fire control centralized control line F is not powered, all loads are equivalent to being directly connected on the fire control centralized control line F in parallel, when enough loads are connected on the fire control centralized control line F in parallel, the resistance between the fire control centralized control line F and the zero line N approaches to zero according to the parallel principle, the fire control centralized control line F is equivalent to the zero line N, at the moment, the fire control centralized control line F and the fire wire L do not pass through the loads, 220V voltage difference is directly loaded on a delay switch with a fire control or centralized control function, if the delay switch with the fire control or centralized control function is not reasonably designed in an internal mode, the delay switch with the fire control or centralized control function cannot work normally, the service life is greatly reduced, and the whole power grid is seriously abnormal in operation.
According to the detection method of the delay switch with the fire-fighting or centralized control function, the fire-fighting centralized control end Ct of the delay switch with the fire-fighting or centralized control function is directly connected with the zero line N, and under the severe and extreme conditions, the delay switch with the fire-fighting or centralized control function completes the on-off of the specified times, so that the inspection of the isolation design inside the delay switch with the fire-fighting or centralized control function is realized, the normal use of the delay switch with the fire-fighting or centralized control function in an actual scene is ensured, and the normal operation of the whole line power grid is ensured.
Preferably, the detection method of the delay switch with the fire protection or centralized control function ensures that the delay switch is switched on and off for n times, and n is more than or equal to 10000.
Preferably, the delay switch detection method with the fire protection or centralized control function is characterized in that n is more than or equal to 10000 and less than or equal to 80000. It should be noted that the value of n is determined according to the type of the actual detected product.
Preferably, the time delay switch with fire protection or centralized control function may be triggered by an acoustic signal, or an optical signal, or a mechanical signal (e.g., button trigger). Of course, the user can select the type of the trigger signal according to the product type of the delay switch with fire protection or centralized control function.
The invention also discloses a detection device of the delay switch with the fire-fighting or centralized control function, and the detection method of the delay switch with the fire-fighting or centralized control function is applied to the detection device.
1-2, a detection device of a delay switch with a fire protection or centralized control function is provided.
The detection device with the fire-fighting or centralized control function comprises a controller 13, a counting unit 14, a load unit 15, a first wiring terminal 1a used for being connected with a fire-fighting centralized control end Ct of the delay switch, a second wiring terminal 2a used for being connected with a load terminal LAt of the delay switch, a third wiring terminal 3a and a fourth wiring terminal 4a used for being connected with a live wire end Lt of the delay switch, and a zero wire end Nt of the delay switch is connected with the third wiring terminal 3a or the fourth wiring terminal 4 a; the controller 13 is in control connection with the counting unit 14, two ends of the controller 13 are respectively connected with the first wiring terminal 1a and the live wire L, the third wiring terminal 3a is connected with the live wire L, the counting unit 14 is connected with the second wiring terminal 2a, the counting unit 14 is also connected with the zero line N through the load unit 15, the first wiring terminal 1a is connected with the zero line N, and the fourth wiring terminal 4a is connected with the zero line N; during detection, the controller 13 is used for triggering the delay switch, the counting unit 14 is used for measuring the on-off times of the delay switch, and the load unit 15 can be used for simulating the actual load condition.
It should be noted that, when the delay switch is a three-wire delay switch, the load terminal LAt and the neutral terminal Nt thereof are connected to each other inside the delay switch, and the load terminal LAt is connected to the third terminal 3 a. When the delay switch is a four-wire delay switch, the load terminal LAt is connected to the third terminal 3a, and the zero terminal Nt is connected to the fourth terminal 4 a. Of course, the detecting device with the fire-fighting or centralized control function of the delay switch of the invention does not need to be provided with the fourth wiring terminal 4a, and the zero line terminal Nt of the delay switch is connected with the third wiring terminal 3a when the delay switch is four-wire.
According to the detection device with the fire-fighting or centralized control function and the detection method, the fire-fighting centralized control end Ct of the delay switch with the fire-fighting or centralized control function is directly connected with the zero line N, so that under the severe and extreme conditions, the inspection of the isolation design inside the delay switch with the fire-fighting or centralized control function is realized, the normal use of the delay switch with the fire-fighting or centralized control function in an actual scene is ensured, and the normal operation of the whole power grid is ensured.
As shown in fig. 1 and 2, an embodiment of the detecting device with a fire-fighting or centralized control function for a time delay switch according to the present invention is shown.
The invention relates to a detection device with a fire-fighting or centralized control function and a delay switch, which comprises at least one product detection station, wherein the product detection station comprises a controller 13, a counting unit 14, a load unit 15, a first wiring terminal 1a, a second wiring terminal 2a, a third wiring terminal 3a and a fourth wiring terminal 4a, the controller 13 is in control connection with the counting unit 14, the controller 13 is respectively connected with the first wiring terminal 1a and the third wiring terminal 3a, the third wiring terminal 3a is connected with a fire wire L, the counting unit 14 is connected with the second wiring terminal 2a, the counting unit 14 is also respectively connected with a zero line N and the fourth wiring terminal 4a through the load unit 15, and the first wiring terminal 1a is connected with the zero line N.
Preferably, the detection device is grounded through a grounding wire E.
The controller 13 is used for triggering the delay switch, and the delay switch with fire protection or centralized control functions can be triggered by sound signals, optical signals, or mechanical signals according to different modes of the delay switch.
Preferably, the delay switch comprises a trigger button, the detection device comprises a product detection station for installing the fixed delay switch, a trigger structure which is connected with the controller 13 and is matched with the trigger button is arranged on the product detection station, and the trigger structure can be a telescopic push rod or a mechanical arm; or the delay switch comprises a sound control switch, the detection device comprises a sound generating element which is connected with the controller 13 and used for triggering the delay switch, and the sound generating element can be a buzzer; or the delay switch comprises a light-operated switch, and a light-emitting element which is connected with the controller 13 is arranged at a corresponding position on the product detection station and can be a lamp; or the delay switch is an infrared switch, and an infrared element connected with the controller 13 is arranged at a corresponding position on the product detection station. Of course, the detection device may be provided with any one or more of a mechanical triggering mechanism, a sound generating element, a light emitting element and an infrared element or other triggering mechanism.
Preferably, the controller 13 further comprises a timing device and a counting device, wherein the timing device is used for setting the time and interval of the trigger signal and setting the detection start time and the detection end time; the counting device is used for recording the number of times of sending the trigger signal. It should be noted that the triggering time interval of the controller 13 should be larger than the delay time of the delay switch.
Preferably, the counting unit 14 includes a current detecting circuit and a counting control circuit. Furthermore, the counting unit 14 also comprises a digital display electronic counter relay (DH 48J-11A counter 220V). Further, the controller 13 and the counting unit 14 are in an integral structure, i.e. the controller 13 is integrated with the counting unit 14.
Preferably, the load unit 15 is an indication unit for indicating the delay switch, that is, for simulating the normal load of the delay switch, and simultaneously plays a role in indicating the on-off state of the delay switch. Further, the indication unit is an incandescent lamp, an LED lamp, or an energy-saving lamp, and can be other analog loads or a load cabinet.
As shown in fig. 1, the detection device with a fire protection or centralized control function of the delay switch according to the present invention is used for detecting a four-wire delay switch 101, where the four-wire delay switch 101 includes a fire protection centralized control end Ct, a load line end LAt, a live line end Lt, and a neutral line end Nt, a first terminal 1a of the detection device is connected to the fire protection centralized control end Ct, a second terminal 2a is connected to the load line end LAt, a third terminal 3a is connected to the live line end Lt, and a fourth terminal 4a is connected to the neutral line end Nt.
As shown in fig. 2, the detection device with the fire protection or centralized control function of the delay switch of the present invention is used for detecting the three-wire delay switch 102, where the three-wire delay switch 102 includes a fire protection centralized control end Ct, a load line end LAt, a live line end Lt, and a neutral line end Nt, and the neutral line end Nt and the load line end LAt are connected and combined into a load line end LAt; the first terminal 1a of the detecting device is connected with the fire control centralized control end Ct, the second terminal 2a is connected with the load line end LAt, and the third terminal 3a is connected with the fire line end Lt.
The invention relates to a detection device with a fire-fighting or centralized control function for a delay switch, which comprises the following working processes:
during detection, the controller 13 sends out a trigger signal to trigger the delay switch with the fire-fighting or centralized control function, the trigger times are calculated, the load unit 15 judges whether the delay switch with the fire-fighting or centralized control function is on or off, the counting unit 14 is used for measuring the on-off times of the delay switch with the fire-fighting or centralized control function, the delay switch with the fire-fighting or centralized control function can work normally in a specified period, if the certain on-off times n is more than or equal to 10000, and the quality of the delay switch with the fire-fighting or centralized control function is qualified.
Preferably, 10000.ltoreq.n.ltoreq.80000. It should be noted that the value of n is determined according to the type of the actual detected product.
The detection device with the fire-fighting or centralized control function for the time delay switch has the advantages of simple structure, good universality, capability of realizing automatic detection of products and capability of accurately detecting the quality of the products
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (13)
1. A detection method of a delay switch with a fire protection or centralized control function is characterized by comprising the following steps: connecting a fire control centralized control end Ct of a delay switch with a zero line N, connecting a load end LAt of the delay switch with the zero line N through a load unit (15), connecting a live wire end Lt of the delay switch with a live wire L, and connecting the zero line end Nt of the delay switch with the zero line N directly or through the load unit (15) to repeatedly turn on and off the delay switch; the delay switch can normally work after being switched on and off for n times, and the quality of the delay switch with the fire protection or centralized control function is qualified.
2. The method for detecting the time delay switch with the fire protection or centralized control function according to claim 1, wherein the method comprises the following steps: n is more than or equal to 10000.
3. A detection device of a delay switch with a fire protection or centralized control function is characterized in that: a method for detecting a time delay switch with fire protection or centralized control function according to any one of claims 1-2.
4. A detection device of a delay switch with a fire protection or centralized control function is characterized in that: the fire-fighting centralized control system comprises a controller (13), a counting unit (14), a load unit (15), a first wiring terminal (1 a) for connecting with a fire-fighting centralized control end Ct of a delay switch, a second wiring terminal (2 a) for connecting with a load wire end LAt of the delay switch and a third wiring terminal (3 a) for connecting with a fire wire end Lt of the delay switch; the controller (13) is in control connection with the counting unit (14), two ends of the controller (13) are respectively connected with the first wiring terminal (1 a) and the live wire L, the third wiring terminal (3 a) is connected with the live wire L, the counting unit (14) is connected with the second wiring terminal (2 a), the counting unit (14) is connected with the zero line L through the load unit (15), and the first wiring terminal (1 a) is connected with the zero line N;
during detection, the controller (13) is used for triggering the delay switch, the counting unit (14) is used for metering the on-off times of the delay switch, and the load unit (15) is used for simulating the actual load of the delay switch; the delay switch can normally work after being switched on and off for n times, and the quality of the delay switch with the fire protection or centralized control function is qualified.
5. The detection device with a fire protection or centralized control function delay switch of claim 4, wherein: the circuit further comprises a fourth wiring terminal (4 a) connected with the zero line N, the delay switch is a four-wire delay switch, and the zero line end Nt of the delay switch is connected with the fourth wiring terminal (4 a).
6. The detection device with a fire protection or centralized control function delay switch of claim 4, wherein: the load unit (15) is an indication unit for indicating the delay switch.
7. The detection device with a fire protection or centralized control function for a time delay switch according to claim 6, wherein: the indicating unit is an incandescent lamp, an LED lamp or an energy-saving lamp.
8. The detection device with a fire protection or centralized control function delay switch of claim 4, wherein: the detection device is grounded through a grounding wire E.
9. The detection device with a fire protection or centralized control function delay switch of claim 4, wherein: the controller (13) and the counting unit (14) are of an integrated structure, and the counting unit (14) is integrated with the controller (13).
10. The detection device with a fire protection or centralized control function delay switch of claim 4, wherein: the product detection station is used for installing the fixed delay switch;
the time delay switch comprises a trigger button, and a trigger structure which is connected with a controller (13) and is matched with the trigger button is arranged on the product detection station.
11. The detection device with a fire protection or centralized control function delay switch of claim 4, wherein: the device also comprises a sounding element which is connected with the controller (13) and used for triggering a delay switch, and the delay switch comprises a sound control switch.
12. The detection device with a fire protection or centralized control function delay switch of claim 4, wherein: the product detection station is used for installing the fixed delay switch;
the delay switch comprises a light-operated switch, and a light-emitting element connected with a controller (13) is arranged at a corresponding position on the product detection station; or the delay switch is an infrared switch, and an infrared element connected with the controller (13) is arranged at a corresponding position on the product detection station.
13. The detection device with fire protection or centralized control function of delay switch according to any one of claims 6-12, characterized in that: the controller (13) comprises timing means and counting means.
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| CN110412375A (en) * | 2019-07-25 | 2019-11-05 | 广东顺德华认检测技术有限公司 | A method of for checking and accepting self-ballasted load cabinet |
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| CN109342937A (en) | 2019-02-15 |
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