CN210534276U - Feeder terminal test interface equipment and system - Google Patents
Feeder terminal test interface equipment and system Download PDFInfo
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- CN210534276U CN210534276U CN201921135207.4U CN201921135207U CN210534276U CN 210534276 U CN210534276 U CN 210534276U CN 201921135207 U CN201921135207 U CN 201921135207U CN 210534276 U CN210534276 U CN 210534276U
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Abstract
The application relates to a feeder terminal test interface device and a system, wherein the feeder terminal test interface device comprises: a feeder terminal access device; the first interface of the feeder terminal access equipment is used for connecting a feeder terminal to be tested, and the second interface of the feeder terminal access equipment is used for connecting a relay protection tester; an analog quantity conversion device; the input end of the analog quantity conversion equipment is connected with the feeder terminal access equipment; simulating a circuit breaker; the switching value input interface of the analog circuit breaker is connected with the output end of the analog value conversion equipment, and the switching-on and switching-off state signal output interface of the analog circuit breaker is used for being connected with the relay protection tester. The method and the device can realize testing of the feeder line terminal, further simplify debugging wiring and improve testing efficiency of the feeder line terminal.
Description
Technical Field
The present application relates to the field of power systems, and in particular, to a feeder terminal test interface device and system.
Background
With the development of power supply technology, a Feeder Terminal (FTU-Feeder Terminal) is provided, and the Feeder Terminal is installed in a distribution room or a Feeder and communicates with a remote distribution substation, so that operation data of a distribution device can be transmitted to the distribution substation, and a control command of the distribution substation is received to control and adjust the distribution device.
According to the current installation, operation and maintenance requirements, in the process of large-scale development of power grid automation construction, an automatic control terminal of an on-column switch, namely a feeder terminal, needs to be tested. During the test, the progress of the test depends to a large extent on the performance state of the primary equipment, i.e. the performance state of the circuit breaker. When the circuit breaker is in a maintenance, test or fault state, the whole group of tests of the feeder terminal cannot be carried out. In addition, in the daily operation and the maintenance of outdoor column switch, still exist and step on pole operating strength big, the operation mode is more loaded down with trivial details, whole setting is not directly perceived, the trouble is traceed back the analysis difficulty and is lacked remote communication function scheduling problem.
In the implementation process, the inventor finds that at least the following problems exist in the conventional technology: when testing feeder terminal at present, the debugging wiring is complicated, has the problem of efficiency of software testing low.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above technical problems, it is necessary to provide a feeder terminal test interface device and a system capable of simplifying debugging wiring and improving test efficiency.
In order to achieve the above object, in one aspect, an embodiment of the present application provides a feeder terminal test interface device, including:
a feeder terminal access device; the first interface of the feeder terminal access equipment is used for connecting a feeder terminal to be tested, and the second interface of the feeder terminal access equipment is used for connecting a relay protection tester;
an analog quantity conversion device; the input end of the analog quantity conversion equipment is connected with the feeder terminal access equipment;
simulating a circuit breaker; the switching value input interface of the analog circuit breaker is connected with the output end of the analog value conversion equipment, and the switching-on and switching-off state signal output interface of the analog circuit breaker is used for being connected with the relay protection tester.
In one embodiment, the system further comprises a change-over switch for connecting the feeder terminal to be tested; the change-over switch is connected with the analog circuit breaker.
In one embodiment, the analog circuit breaker includes a relay K1, a relay K2, a relay K3, a relay K4, a relay K5, a relay K6, a relay K7, a relay K8, a relay K9, a relay K10, a switch SW1, and a switch SW 2;
the relay K1 is respectively connected with the relay protection tester, the relay K2 and the relay K3; the relay K2 is respectively connected with the output end of the analog quantity conversion equipment, the switch SW1 and the relay K3; the relay K3 is connected with the change-over switch;
the relay K4 is respectively connected with the change-over switch, the relay K5 and the relay K6; the relay K5 is respectively connected with the change-over switch and the relay K6; the relay K6 is respectively connected with the relay protection tester, the switch SW2 and the output end of the analog quantity conversion equipment;
the relay K7 is respectively connected with the change-over switch, the switch SW1 and the relay K8; the relay K8 is respectively connected with the change-over switch and the switch SW 1;
the relay K9 is respectively connected with the change-over switch, the switch SW1 and the relay K10; the relay K10 is respectively connected with the change-over switch and the switch SW 1;
switch SW1 is connected to switch SW 2.
In one embodiment, the relay K1 is also used for connecting a position indicator light; the relay K2 is also used for being respectively connected with a closing button, an opening button and a closing indicator light; the relay K3 is also used for connecting a position indicating lamp; the relay K4 is also used for connecting an energy storage switch BTN 1;
the relay K6 is also used for connecting the energy storage switch BTN1 and the energy storage switch BTN 2.
In one embodiment, the feeder terminal access device is an aerial receptacle.
In one embodiment, the feeder terminal test interface device further comprises a power supply device;
the power supply equipment is respectively connected with the analog circuit breaker, the analog quantity conversion equipment and the feeder terminal access equipment.
In one embodiment, the power supply device is a voltage conversion circuit; the voltage conversion circuit is used for connecting an external power supply.
In one embodiment, the feeder terminal test interface device further comprises a portable box;
the analog circuit breaker, the analog quantity conversion equipment and the feeder terminal access equipment are all arranged in the portable box body.
In one embodiment, the feeder terminal test interface device is a handheld device.
On the other hand, the embodiment of the application also provides a feeder terminal test system, which comprises a relay protection tester and the feeder terminal test interface equipment of any one of the embodiments;
the relay protection tester is connected with the feeder terminal test interface equipment.
One of the above technical solutions has the following advantages and beneficial effects:
the feeder terminal access equipment is respectively connected with a feeder terminal to be tested, a relay protection tester and analog quantity conversion equipment, the analog quantity conversion equipment is connected with the analog circuit breaker, the analog circuit breaker is connected with the relay protection tester, and the feeder terminal test interface equipment is respectively connected with the feeder terminal to be tested and the relay protection tester, so that the feeder terminal can be tested, the debugging wiring can be simplified, and the test efficiency of the feeder terminal is improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a first block diagram of a feeder terminal test interface device in one embodiment;
FIG. 2 is a block diagram of a second configuration of a feeder terminal test interface device in accordance with one embodiment;
fig. 3 is a first circuit diagram of an analog circuit breaker in one embodiment;
FIG. 4 is a second circuit diagram of an analog circuit breaker in one embodiment;
FIG. 5 is a third circuit diagram of an analog circuit breaker in one embodiment;
FIG. 6 is a fourth circuit diagram of an analog circuit breaker in one embodiment;
fig. 7 is a block diagram of a feeder terminal test system in an embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "input," "output," "interface," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the process of developing the power distribution automation construction, a large amount of tests of the automatic control terminals of the column switches can be involved, namely the performance of the feeder terminals needs to be tested, and whether the normal operation can be met or not is judged, so that the reliability of controlling and adjusting the power distribution equipment is ensured. However, in the prior art, the feeder terminal generally needs to be tested after the power failure of the line, and the testing method depends very much on the performance state of the primary equipment, and the debugging and wiring are complex, so that the problems of long testing time and low testing efficiency are caused, and the power supply quality is greatly influenced.
Based on this, this application provides a feeder terminal test interface instrument, through with feeder terminal test interface instrument connect respectively between feeder terminal to be tested and relay protection tester, can test the feeder terminal to realize simplifying the debugging wiring, and improve the efficiency of software testing at the feeder terminal.
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In one embodiment, as shown in fig. 1, there is provided a feeder terminal test interface device, including:
feeder terminal access device 110; a first interface of the feeder terminal access device 110 is used for connecting a feeder terminal to be tested, and a second interface of the feeder terminal access device 110 is used for connecting a relay protection tester;
an analog quantity conversion device 120; the input end of the analog quantity conversion device 120 is connected with the feeder terminal access device 110;
an analog circuit breaker 130; the switching value input interface of the analog circuit breaker 130 is connected with the output end of the analog value conversion device 120, and the switching-on/off state signal output interface of the analog circuit breaker 130 is used for connecting with a relay protection tester.
Specifically, a first interface of the feeder terminal access device is used for connecting a feeder terminal to be tested, and a second interface is used for connecting a relay protection tester. The first interface of the feeder terminal access equipment can support the aviation plug to be directly accessed, after the feeder terminal to be tested is accessed, the feeder terminal access equipment unifies socket definitions of different aviation plugs through internal wiring conversion, unifies socket definitions of different aviation plugs inside, and leads out a standard aviation plug interface. For example, the definition of the aviation plug pin 1 of the device a is a remote signaling common terminal, while the definition of the aviation plug pin 1 of the device B is not a remote signaling common terminal, at this time, the socket definitions of the inserted aviation plugs are unified through the feeder terminal access device, so that standard unified aviation plug cables can be output, the feeder terminal test interface device can be applicable to aviation plugs with different definitions, and the applicability, the practicability and the reliability of the feeder terminal test interface device are improved. In one example, the feeder access device may be an aerial socket and each line may be defined according to an aerial plug on the feeder terminal to be tested and an aerial socket on a Guangdong grid equipment Standard technical Specification-10 kV vacuum circuit breaker Automation complete set.
After the socket definitions of different aviation plugs are unified, the feeder terminal access device leads out one or more aviation plug cables with unified standards, in one example, two aviation plug cables can be led out, one aviation plug cable is used for connecting a relay protection tester, and the other aviation plug cable is used for connecting the input end of the analog quantity conversion device.
The analog quantity conversion equipment is used for converting the analog quantity into the switching value, namely the analog quantity conversion equipment can be used for converting the received analog quantity sent by the feeder terminal to be tested into the switching value which can be identified by the analog circuit breaker and transmitting the switching value to the analog circuit breaker.
The switching value input interface of the analog circuit breaker is connected with the output end of the analog quantity conversion equipment and used for receiving the switching value transmitted by the analog quantity conversion equipment; and the opening and closing state signal output interface of the simulation circuit breaker is used for connecting a relay protection tester. The simulation circuit breaker can carry out switching-off or switching-on operation according to the received switching value, generates corresponding switching-off and switching-on state signals and outputs the switching-off and switching-on state signals to the relay protection tester through the switching-off and switching-on state signal output interface.
When the feeder terminal test interface equipment is used for testing, the feeder terminal test interface equipment can be respectively connected with a feeder terminal to be tested and a relay protection tester, and the relay protection tester is connected with the feeder terminal. The test procedure may be as follows: the method comprises the steps that a test circuit signal is set in a relay protection tester, the test circuit signal is transmitted from an output end of the relay protection tester to a feeder terminal to be tested, the feeder terminal to be tested outputs a corresponding opening and closing analog signal to analog quantity conversion equipment through a feeder terminal access device according to the received test circuit signal, and the analog quantity conversion equipment converts the opening and closing analog signal into switching quantity and transmits the switching quantity to an analog circuit breaker.
The simulation circuit breaker executes opening operation or closing operation according to the received switching value and actual circuit breaker logic, generates opening and closing state signals, transmits the opening and closing state signals to the relay protection tester to trigger the state sequence of the relay protection tester, so that output of alternating voltage and/or current is controlled, jumping of voltage and current is simulated when the real circuit breaker is opened and closed, and testing of a feeder terminal to be tested is achieved. Further, the test circuit signal may be a current signal and/or a voltage signal, etc.
In the feeder terminal test interface device, the feeder terminal access device is respectively connected with the feeder terminal to be tested, the relay protection tester and the analog quantity conversion device, the analog quantity conversion device is connected with the analog circuit breaker, the analog circuit breaker is connected with the relay protection tester, and the feeder terminal test interface device is respectively connected with the feeder terminal to be tested and the relay protection tester, so that the feeder terminal can be tested, the debugging wiring can be simplified, and the test efficiency of the feeder terminal is improved.
In one embodiment, as shown in fig. 2, there is provided a feeder terminal test interface device, including:
feeder terminal access device 210; a first interface of the feeder terminal access device 210 is used for connecting a feeder terminal to be tested, and a second interface of the feeder terminal access device 210 is used for connecting a relay protection tester;
an analog quantity conversion device 220; the input end of the analog conversion device 220 is connected with the feeder terminal access device 210;
an analog circuit breaker 230; the switching value input interface of the analog circuit breaker 230 is connected with the output end of the analog value conversion device 220, and the switching-on/off state signal output interface of the analog circuit breaker 230 is used for being connected with a relay protection tester.
The device also comprises a change-over switch 240 for connecting the feeder terminal to be tested; the transfer switch 240 is connected to the analog breaker 230.
Specifically, the transfer switch is used for connecting the feeder terminal to be tested, for example, the transfer switch may be connected to a switching-on/off switch of the feeder terminal to be tested and/or a corresponding port of the energy storage power supply. Further, the transfer switch may be a universal transfer switch, and in one example, since the corresponding ports of the switching-on/off and/or energy storage power supplies of different feeder terminals to be tested correspond to different power supplies, the universal transfer switch may include 3 stages, namely DC24V (DC 24 volts), DC48V (DC 48 volts) and AC220V (AC 220 volts), and by selecting the power supply stage corresponding to the feeder terminal to be tested before testing, reliability and safety of the testing may be ensured.
In a specific embodiment, the analog circuit breaker includes a relay K1, a relay K2, a relay K3, a relay K4, a relay K5, a relay K6, a relay K7, a relay K8, a relay K9, a relay K10, a switch SW1, and a switch SW 2;
the relay K1 is respectively connected with the relay protection tester, the relay K2 and the relay K3; the relay K2 is respectively connected with the output end of the analog quantity conversion equipment, the switch SW1 and the relay K3; the relay K3 is connected with the change-over switch;
the relay K4 is respectively connected with the change-over switch, the relay K5 and the relay K6; the relay K5 is respectively connected with the change-over switch and the relay K6; the relay K6 is respectively connected with the relay protection tester, the switch SW2 and the output end of the analog quantity conversion equipment;
the relay K7 is respectively connected with the change-over switch, the switch SW1 and the relay K8; the relay K8 is respectively connected with the change-over switch and the switch SW 1;
the relay K9 is respectively connected with the change-over switch, the switch SW1 and the relay K10; the relay K10 is respectively connected with the change-over switch and the switch SW 1;
switch SW1 is connected to switch SW 2.
Specifically, the relay K1 is respectively connected with a relay protection tester, a relay K2 and a relay K3; the relay K2 is respectively connected with the output end of the analog quantity conversion equipment to obtain the on-position switching value and the off-position switching value, and meanwhile, the relay K2 is also connected with the switch SW1 and the relay K3; the relay K3 is connected with a change-over switch, so that the incoming call can be switched on immediately.
The relay K4 is respectively connected with a change-over switch, further, the energy storage power circuit can be connected, and meanwhile, the relay K4 is also connected with the relay K5 and the relay K6. The relay K5 is respectively connected with the change-over switch and the relay K6; the relay K6 is connected with the output end of the analog quantity conversion equipment respectively to obtain the non-stored switching value and the stored switching value, and the relay K6 is also connected with the relay protection tester and the switch SW 2.
The relay K7 is connected with a change-over switch, further can be connected with a closing power supply circuit, and meanwhile, the relay K7 is also connected with a switch SW1 and a relay K8; the relay K8 is connected with a transfer switch respectively, further can be connected with a closing power supply circuit, and the relay K8 is also connected with a switch SW 1.
The relay K9 is respectively connected with a change-over switch, further can be connected with a switching-off power supply circuit, and the relay K9 is also respectively connected with a switch SW1 and a relay K10; the relay K10 is respectively connected with a change-over switch, further can be connected with a switching-off power supply circuit, and meanwhile, the relay K10 is also connected with a switch SW 1; switch SW1 is connected to switch SW 2.
Among them, the relay K1 may be a relay including four armatures, and in one example, the relay K1 may be model number LY 4N. The relay K2, the relay K3, the relay K4, the relay K5, the relay K6, the relay K7, the relay K8, the relay K9, and the relay K10 may be relays each including two armatures, and further, the relay K2 and the relay K6 may be of a type DS2E-SL2-DC 24V; the relay K3, the relay K5, the relay K7 and the relay K9 may be model numbers LY 2N; the model of the relay K4, the relay K8 and the relay K10 can be G5V-2-H1.
It should be noted that the types of the relays are not limited to the above cases, and the relays of the corresponding types may be specifically selected according to actual situations and design requirements.
In one specific embodiment, the relay K1 is also used for connecting a position indicator light; the relay K2 is also used for being respectively connected with a closing button, an opening button and a closing indicator light; the relay K3 is also used for connecting a position indicating lamp; the relay K4 is also used for connecting an energy storage switch BTN 1;
the relay K6 is also used for connecting the energy storage switch BTN1 and the energy storage switch BTN 2.
Specifically, the relay K1, the relay K2 and the relay K3 may be connected to the positive pole of the on-position indicator lamp, and the negative pole of the on-position indicator lamp may be grounded. Meanwhile, the relay K2 can also be used for being respectively connected with a closing button and an opening button. Further, relay K2 may also be used to connect the positive pole of the position indicator light, and the negative pole of the position indicator light may be grounded. The relay K6 can also be used for connecting the positive pole of energy storage pilot lamp, and the negative pole of energy storage pilot lamp can ground connection, and relay K6 still can be used for connecting energy storage switch BTN1 and energy storage switch BTN2 respectively simultaneously.
For the sake of clarity and understanding of the structure of the analog circuit breaker in the present application, the following description will be made by taking a specific example, and as shown in fig. 3 to 6, there is provided an analog circuit breaker including relays K1 to K10 (total 10 relays), connection pins J1 to connection pins J8 (total 8 rows of connection pins), and the like.
The connection relationship of the devices is shown in fig. 3 to 6, wherein reference numerals in fig. 3 to 6 are used to describe the connection relationship of the devices, and the same connecting lines are connected to each other. For example, the lines labeled 301 in fig. 3 are interconnected with the lines labeled 301 in fig. 4; the line labeled 306 in fig. 4 interconnects with the line labeled 306 in fig. 6.
Specifically, the connection pin J1 and the connection pin J2 are used for connecting an analog converter, the connection pin J3 is connected to a power supply device and is used for providing an operating voltage for all devices in the analog circuit, further, the operating voltage may be 24V (volt), the pins marked with "24V +" in fig. 3 are all connected to a first pin of the connection pins, and the pins marked with "24V-" are all connected to a second pin of the connection pins.
The first pin of the connection pin J4 is used for externally connecting a closing button, the second pin is used for externally connecting an opening button, the third pin is used for externally connecting a first energy storage switch, and the fourth pin is used for externally connecting a second energy storage switch.
The first pin, the second pin and the third pin of the connection pin J5 are used for connecting an energy storage power supply loop in the transfer switch, the fifth pin and the sixth pin are used for connecting a switching-off power supply loop in the transfer switch, and the tenth pin and the eleventh pin are used for connecting a switching-on power supply loop in the transfer switch.
The first pin and the second pin of the connection pin J6 are both connected with the transfer switch, so that the relay K3 can be switched on immediately when an incoming call is received, the third pin and the fourth pin are both connected with the opening power supply loop of the transfer switch, and the fifth pin and the sixth pin are both connected with the closing power supply loop of the transfer switch.
The first pin of the connection pin J7 is a position common terminal, the second pin is used for receiving a position division switching value, the third pin is used for receiving a position division switching value, the fourth pin is used for receiving an stored energy switching value, the fifth pin is used for receiving an unstored switching value, and the sixth pin and the seventh pin are energy storage common terminals.
The first pin of connecting pin J8 is used for linking the positive pole of joint position pilot lamp, and the second pin is used for linking the negative pole of joint position pilot lamp, and the third pin is used for connecting the positive pole that divide into the pilot lamp, and the fourth pin is used for connecting the negative pole that divide into the pilot lamp, and the fifth pin is used for connecting the positive pole of energy storage pilot lamp, and the sixth pin is used for connecting the negative pole of energy storage pilot lamp.
In this example, connection copper posts for fixing may be further included, and further, the number of the connection copper posts may be four, such as MH1, MH2, MH3 and MH4 shown in fig. 3, which may be used to fix the analog circuit breaker and increase the height of the analog circuit breaker.
Through the connection structure, the simulation circuit breaker can perform switching-off or switching-on operation according to the received switching value, generate corresponding switching-off and switching-on state signals and output the switching-off and switching-on state signals to the relay protection tester through the switching-off and switching-on state signal output interface.
In a specific embodiment, the feeder terminal test interface device further comprises a power supply device;
the power supply equipment is respectively connected with the analog circuit breaker, the analog quantity conversion equipment and the feeder terminal access equipment.
Specifically, the power supply device is respectively connected to the analog circuit breaker, the analog quantity conversion device and the feeder terminal access device, and is configured to provide corresponding operating voltages for the analog circuit breaker, the analog quantity conversion device and the feeder terminal access device.
In a specific embodiment, the power supply device is a voltage conversion circuit; the voltage conversion circuit is used for connecting an external power supply.
Specifically, the power supply device may be a voltage conversion circuit, and the voltage conversion circuit converts the voltage of the external power supply into a working voltage suitable for the analog circuit breaker, the analog conversion device, and the feeder terminal access device by connecting the voltage conversion circuit to the external power supply, so that the power supply of the feeder terminal test interface device can be completed without a built-in power supply.
In a specific embodiment, the feeder terminal test interface device further comprises a portable box;
the analog circuit breaker, the analog quantity conversion equipment and the feeder terminal access equipment are all arranged in the portable box body.
Specifically, feeder terminal test interface equipment still includes portable box, and simulation circuit breaker, analog quantity conversion equipment and feeder terminal access device all locate portable box in to make feeder terminal test interface equipment portable and use, and then can optimize the field test flow, solve the problem of debugging test time overlength, improved efficiency of software testing.
In a specific embodiment, the feeder terminal test interface device is a handheld device.
Specifically, the terminal test interface device is a handheld device, which is convenient for testing a plurality of feeder terminals to be tested, thereby reducing the test time and improving the test efficiency.
In the feeder terminal test interface device, the change-over switch is respectively connected with the feeder terminal to be tested and the analog circuit breaker, so that a power supply gear corresponding to the feeder terminal to be tested can be selected before testing, and the reliability and the safety of the testing are further ensured.
In one embodiment, as shown in fig. 7, there is provided a feeder terminal test system, including a relay protection tester, and the feeder terminal test interface device in any one of the above embodiments;
the relay protection tester is connected with the feeder terminal test interface equipment.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A feeder terminal test interface device, comprising:
a feeder terminal access device; the first interface of the feeder terminal access equipment is used for connecting a feeder terminal to be tested, and the second interface of the feeder terminal access equipment is used for connecting a relay protection tester;
an analog quantity conversion device; the input end of the analog quantity conversion equipment is connected with the feeder terminal access equipment;
simulating a circuit breaker; and the switching-on/off state signal output interface of the simulation circuit breaker is used for connecting the relay protection tester.
2. The feeder terminal test interface device of claim 1, further comprising a transfer switch for connecting the feeder terminal under test; the change-over switch is connected with the analog circuit breaker.
3. The feeder terminal test interface apparatus of claim 2, wherein the analog circuit breaker comprises relay K1, relay K2, relay K3, relay K4, relay K5, relay K6, relay K7, relay K8, relay K9, relay K10, switch SW1, and switch SW 2;
the relay K1 is respectively connected with the relay protection tester, the relay K2 and the relay K3; the relay K2 is respectively connected with the output end of the analog quantity conversion equipment, the switch SW1 and the relay K3; the relay K3 is connected with the change-over switch;
the relay K4 is respectively connected with the change-over switch, the relay K5 and the relay K6; the relay K5 is respectively connected with the change-over switch and the relay K6; the relay K6 is respectively connected with the relay protection tester, the switch SW2 and the output end of the analog quantity conversion equipment;
the relay K7 is respectively connected with the change-over switch, the switch SW1 and the relay K8; the relay K8 is respectively connected with the change-over switch and the switch SW 1;
the relay K9 is respectively connected with the change-over switch, the switch SW1 and the relay K10; the relay K10 is respectively connected with the change-over switch and the switch SW 1;
the switch SW1 is connected to the switch SW 2.
4. The feeder terminal test interface device of claim 3, wherein the relay K1 is further configured to connect a position indicator light; the relay K2 is also used for being respectively connected with a closing button, an opening button and the closing indicator light; the relay K3 is also used for connecting the on-position indicator light; the relay K4 is also used for connecting an energy storage switch BTN 1;
the relay K6 is also used for connecting the energy storage switch BTN1 and the energy storage switch BTN 2.
5. The feeder terminal test interface device of any one of claims 1 to 4, wherein the feeder terminal access device is an aerial socket.
6. The feeder terminal test interface device of any one of claims 1 to 4, further comprising a power supply device;
and the power supply equipment is respectively connected with the analog circuit breaker, the analog quantity conversion equipment and the feeder terminal access equipment.
7. The feeder terminal test interface device of claim 6, wherein the power supply device is a voltage conversion circuit; the voltage conversion circuit is used for connecting an external power supply.
8. The feeder terminal test interface device of any one of claims 1 to 4, further comprising a portable case;
the analog circuit breaker, the analog quantity conversion equipment and the feeder terminal access equipment are all arranged in the portable box body.
9. The feeder terminal test interface device of any one of claims 1 to 4, wherein the feeder terminal test interface device is a handheld device.
10. A feeder terminal test system comprising a relay protection tester and a feeder terminal test interface device as claimed in any one of claims 1 to 9;
the relay protection tester is connected with the feeder terminal test interface equipment.
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| CN201921135207.4U CN210534276U (en) | 2019-07-15 | 2019-07-15 | Feeder terminal test interface equipment and system |
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| CN201921135207.4U CN210534276U (en) | 2019-07-15 | 2019-07-15 | Feeder terminal test interface equipment and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711274A (en) * | 2020-07-02 | 2020-09-25 | 河南华盛隆源电气有限公司 | Test fixture at feeder terminal |
| CN113064005A (en) * | 2021-03-22 | 2021-07-02 | 广东电网有限责任公司梅州供电局 | Feeder automation terminal tester |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111711274A (en) * | 2020-07-02 | 2020-09-25 | 河南华盛隆源电气有限公司 | Test fixture at feeder terminal |
| CN113064005A (en) * | 2021-03-22 | 2021-07-02 | 广东电网有限责任公司梅州供电局 | Feeder automation terminal tester |
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