CN211785853U - Switch cabinet secondary circuit detection device and equipment - Google Patents

Switch cabinet secondary circuit detection device and equipment Download PDF

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Publication number
CN211785853U
CN211785853U CN201922465618.6U CN201922465618U CN211785853U CN 211785853 U CN211785853 U CN 211785853U CN 201922465618 U CN201922465618 U CN 201922465618U CN 211785853 U CN211785853 U CN 211785853U
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voltage
component
switch cabinet
assembly
indicating
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CN201922465618.6U
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沈建位
陈罡
沈鑫刚
马彬
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ZHEJIANG UNION POWER ELECTRICITY CO.,LTD.
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Ningbo Polytechnic
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Abstract

The application relates to a switch cabinet secondary circuit detection device and equipment. In the device, a voltage suppression component is connected with an active light indicating component, the voltage suppression component is connected with the output voltage of a switch cabinet, and the voltage indicating component is connected with the output voltage of the switch cabinet; the working power supply is connected with the passive light indicating component through a passive output contact of the switch cabinet; the simulation button is used for being connected with the switch cabinet; the analog switch is used for being connected with the switch cabinet. Above-mentioned device is connected through setting up analog button, analog switch, passive display circuit, active display circuit and the corresponding output terminal of cubical switchboard, when needs detect the secondary circuit of cubical switchboard, only need one-man operation analog button and analog switch, just can come experimental cubical switchboard control circuit's action condition through active state indicating loop and passive state indicating loop, reduces experimental operating time, improves work efficiency.

Description

Switch cabinet secondary circuit detection device and equipment
Technical Field
The application relates to the technical field of electrical equipment, in particular to a switch cabinet secondary circuit detection device and equipment.
Background
The secondary circuit is an important component of the electrical connection, and the basic task of the secondary circuit is to reflect the working state of the primary equipment, control the primary equipment, and enable the fault part to rapidly quit working when the primary equipment fails so as to keep the best operation state of the power system. The correctness of a secondary circuit of the switch cabinet is generally verified through an electrification test, and because most of secondary wiring terminals are arranged at the back of the cabinet body, operation instructions are arranged at the front of the cabinet body; in the test process, usually need two people to accomplish jointly, operate before the cabinet alone, observe the preceding components and parts action condition of the cabinet body, alone behind the cabinet body in addition, will carry out analog operation in binding post department. In the test process, because two persons are required to be matched with each other, missing detection and false detection are inevitable, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a switch cabinet secondary circuit detection device and equipment.
A switch cabinet secondary circuit detection device comprises an analog button, an analog switch, two or more active state indicating circuits and two or more passive state indicating circuits; the active state indicating loop comprises a voltage indicating component, a voltage suppressing component and an active light indicating component, wherein the voltage suppressing component is connected with the active light indicating component, the voltage suppressing component is connected with the output voltage of the switch cabinet, and the voltage indicating component is connected with the output voltage of the to-be-tested loop of the switch cabinet; the passive state indicating loop comprises a working power supply and a passive light indicating component, and the working power supply is connected with the passive light indicating component through a passive output contact of the to-be-tested loop of the switch cabinet; the analog button is used for being connected with a terminal which plays a role of a button in a loop to be tested of the switch cabinet; the analog switch is used for being connected with a terminal which plays a role of a control switch in a loop to be tested of the switch cabinet.
Above-mentioned device is connected through setting up analog button, analog switch, passive display circuit, active display circuit and the corresponding output terminal of cubical switchboard, when needs detect the secondary circuit of cubical switchboard, only need one-man operation analog button and analog switch, just can come experimental cubical switchboard control circuit's action condition through active state indicating loop and passive state indicating loop, reduces experimental operating time, improves work efficiency.
A switch cabinet secondary circuit detection device comprises a switch cabinet and the detection device, wherein the detection device is connected with the switch cabinet through a multi-core cable.
Above-mentioned equipment is connected detection device and cubical switchboard through the multicore cable for single staff need examine the time measuring to the secondary circuit of cubical switchboard, only need single operation detection device's analog button and analog switch, just can look over the action condition of cubical switchboard through active state indicating loop and passive state indicating loop, reduce experimental operating time, improve work efficiency.
Drawings
FIG. 1 is a schematic diagram of a system configuration of a switch cabinet secondary circuit detection device in an embodiment;
FIG. 2 is a schematic diagram illustrating an external structure of an exemplary switch cabinet secondary circuit detection apparatus;
FIG. 3 is a schematic diagram of a first active status indication circuit according to an embodiment;
FIG. 4 is a schematic circuit diagram of the second and third active status indicator circuits in one embodiment;
FIG. 5 is a schematic circuit diagram of a fourth and fifth active status indicator loop in one embodiment;
FIG. 6 is a schematic diagram of a display screen interface of the voltage indicating assembly in one embodiment;
fig. 7 is a circuit schematic of a passive status indicating loop.
Detailed Description
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, a secondary circuit detection device for a switch cabinet is provided, which includes an analog button, an analog switch, two or more active status indication circuits, and two or more passive status indication circuits; the active state indicating loop comprises a voltage indicating component, a voltage suppressing component and an active light indicating component, wherein the voltage suppressing component is connected with the active light indicating component, the voltage suppressing component is connected to the output voltage of the to-be-tested loop of the switch cabinet, and the voltage indicating component is connected to the output voltage of the to-be-tested loop of the switch cabinet; the passive state indicating loop comprises a working power supply and a passive light indicating component, and the working power supply is connected with the passive light indicating component through a passive output contact of the to-be-tested loop of the switch cabinet; the simulation button is used for being connected with a wiring terminal which plays a role of a button in a loop to be tested of the switch cabinet; the analog switch is used for being connected with a wiring terminal which plays a role of a control switch in a loop to be tested of the switch cabinet.
The secondary circuit of the switch cabinet is connected with an external circuit through a wiring terminal, most of the secondary circuit is arranged behind the cabinet body, and the corresponding function of the external circuit is connected to the wiring terminal to verify the accuracy of the circuit during testing. When the detection device is used, the analog button needs to be connected with a wiring terminal which plays a role of a control button in a loop to be tested of the switch cabinet, the analog switch is connected with the wiring terminal which plays a role of the control switch in the loop to be tested of the switch cabinet, the active state indication loop is connected with the output voltage of the loop to be tested of the switch cabinet (namely, the active state indication loop is connected with the wiring terminal which plays a role of an active indicator lamp), and the passive state indication loop is connected with a passive output contact of the loop to be tested of the switch cabinet (namely, the passive state indication loop is connected with the wiring terminal which plays a role of the indicator lamp). Be provided with the analog button among the analog button, be provided with the analog switch in the analog button, when the staff began to detect the cubical switchboard, according to the secondary circuit control principle that awaits measuring, operate corresponding button or switch and can begin to detect, then instruct through active state indicating loop and passive state indicating loop, thereby make a staff can accomplish the operation process simultaneously and look over the action condition of cubical switchboard, detect the accuracy of secondary circuit, reduce experimental operating time, improve work efficiency.
The voltage indicating assembly in the active state indicating loop is used for indicating the output voltage of the to-be-tested loop of the switch cabinet, for example, the output voltage of the to-be-tested loop of the switch cabinet can be one of three grades of voltages of AC380V, AC/DC220V and AC/DC110V, and the voltage indicating assembly at least comprises a voltage collecting device and a display panel. The voltage suppressing component is used for suppressing the output voltage, namely when the output voltage is lower than a suppression value, the voltage suppressing component is not conducted at the moment, so that current flows through the voltage suppressing component differently, and the voltage suppressing component comprises a suppression diode and the like. The active light indicating component is used for indicating light, and when the voltage suppression component is conducted and current passes through the voltage suppression component, the active light indicating component emits light. The working power supply in the passive state indicating loop is used for outputting power, and when the passive output contact of the switch cabinet is switched on, the working power supply outputs power to the passive light indicating assembly, so that the passive light indicating assembly emits light.
The number of active status indication circuits in the detection device may be different from the number of passive status indication circuits, and may be, for example, five active status indication circuits and ten passive status indication circuits.
Above-mentioned device is connected through setting up analog button, analog switch, passive display circuit, the corresponding output terminal of active display circuit and cubical switchboard, when needs detect the secondary circuit of cubical switchboard, only need one-man operation analog button and analog switch, just can look over the action condition of cubical switchboard through active state indicating circuit and passive state indicating circuit, detects the accuracy of secondary circuit, reduces experimental operating time, improves work efficiency.
Further, in one embodiment, as shown in fig. 2, an external structure of a secondary circuit detection device of a switch cabinet is provided, and the switch cabinet comprises 5 analog buttons (i.e. analog buttons of the analog buttons), 5 analog switches (i.e. analog switches of the analog switches), 5 active status indicators (i.e. active light indicating components) and 10 passive status indicators (i.e. passive light indicating components). When the staff used this detection device, through operation simulation button and analog switch, just can look over the secondary circuit action condition of cubical switchboard through active status pilot lamp and passive status pilot lamp, realize one-man operation, improve work efficiency.
Further, in an embodiment, as shown in fig. 3, it should be noted that fig. 3 only shows one active status indication loop, and correspondingly, other active status indication loops (refer to fig. 4 and fig. 5) are further included, and each active status indication loop includes the voltage suppressing component 300, the voltage indicating component 100, and the active light indicating component 400. The voltage suppression assembly 300 comprises a primary voltage suppression assembly DY11, a secondary voltage suppression assembly DY12 and a tertiary voltage suppression assembly DY13, the input end of the primary voltage suppression assembly DY11, the input end of the secondary voltage suppression assembly DY12 and the input end of the tertiary voltage suppression assembly DY12 are all connected with the output voltage of a to-be-tested circuit of the switch cabinet (namely the output voltage of the switch cabinet is connected from Y1B and Y1A joints), and the output end of the primary voltage suppression assembly DY11, the output end of the secondary voltage suppression assembly DY12 and the output end of the tertiary voltage suppression assembly DY13 are all connected with the active light indication assembly 400.
Taking the output voltage of the circuit to be tested of the switch cabinet connected to the connection point of Y1A and Y1B as an example, when no voltage is input at the two ends of Y1A and Y1B, the circuit has no power supply, and the light emitting source LY1 has no indication. The breakdown voltage of the bidirectional suppressor DY11 is selected to be 90V; the breakdown voltage of DY12 is selected to be 110V; DY3 has a breakdown voltage of 160V. When voltages are input at two ends of Y1A and Y1B, the voltage indicating assembly 100 displays an access voltage value, when the input voltage is in an AC/DC110V grade, a bidirectional transient suppression electric DY11 in a circuit is conducted, a terminal X1 of a light display module LY1 has voltage, and a corresponding yellow light emitting source lights an LN1 for displaying; when the input voltage is AC/DC220V grade, the bidirectional transient suppression electricity DY12 in the circuit is conducted, the terminal X2 of the light display module LY1 has voltage, and the corresponding green light emitting source LN2 lights up for display; when the input voltage is in the AC380V level, the bidirectional transient suppression electricity DY13 in the circuit is conducted, the terminal X3 of the light display module LY1 has voltage, and the corresponding red light emitting source lights the LN3 for display. When the light emitting source LY1 is on, the correctness of the circuit can be further judged through the voltage display value. During the test, the operator can judge the condition of the output voltage of the to-be-tested loop of the switch cabinet through the display and the voltage value of the light emitting source LY 1.
Further, in one embodiment, as shown in fig. 3, the primary voltage suppression component DY11 includes a suppression diode with a breakdown voltage of 90V, the secondary voltage suppression component DY12 includes a suppression diode with a breakdown voltage of 110V, and the tertiary voltage suppression component DY13 includes a suppression diode with a breakdown voltage of 160V.
In one embodiment, as shown in fig. 3, the voltage suppression component 300 further includes a resistor RY11 and a resistor RY12, one end of the resistor RY11 is connected to the input terminal of the primary voltage suppression component DY11 and is connected to the output voltage of the circuit to be tested of the switch cabinet, the other end of the resistor R1Y11 is connected to the input terminal of the secondary voltage suppression component DY12 and one end of the resistor RY12, the other end of the resistor RY12 is connected to the input terminal of the tertiary voltage suppression component DY13, and the output terminal of the primary voltage suppression component DY11, the output terminal of the secondary voltage suppression component DY12 and the output terminal of the tertiary voltage suppression component DY13 are connected to the active light indication component 400.
Further, in one embodiment, as shown in fig. 3, the active light indicating assembly 400 includes a first indicating lamp assembly 401, a second indicating lamp assembly 402 and a third indicating lamp assembly 403, the first indicating lamp assembly 401 is connected to the output terminal of the primary voltage suppression assembly DY11, the second indicating lamp assembly 402 is connected to the output terminal of the secondary voltage suppression assembly DY12, and the third indicating lamp assembly 403 is connected to the output terminal of the tertiary voltage suppression assembly DY 13.
Further, in one embodiment, as shown in fig. 3, the first lamp assembly 401 includes a first diode DX1 and a first indicator lamp LN1, the second lamp assembly 402 includes a second diode DX2 and a second indicator lamp LN2, and the third lamp assembly 403 includes a third diode DX3 and a third indicator lamp LN 3; the output end of the primary voltage suppression component DY11 is connected with a first indicator lamp LN1 through a first diode DX1, the output end of the secondary voltage suppression component DY12 is connected with a second indicator lamp LN2 through a second diode DX2, and the output end of the tertiary voltage suppression component DY13 is connected with a third indicator lamp LN3 through a third diode DX 3.
Further, in one embodiment, as shown in fig. 3, the first indicator light LN1, the second indicator light LN2, and the third indicator light LN3 have different emission colors.
Further, in an embodiment, referring to fig. 4 and fig. 5, fig. 4 shows a circuit schematic diagram of a second path and a third path of active status indication loops (one path of active status indication loop is shown in each dashed line frame in fig. 4), and fig. 5 shows a circuit schematic diagram of a fourth path and a fifth path of active status indication loops (one path of active status indication loop is shown in each dashed line frame in fig. 5), it can be understood that each path of active status indication loop shown in fig. 4 and fig. 5 is similar to the circuit structure and the circuit principle of the active status indication loop shown in fig. 3, and the description of fig. 4 and fig. 5 may refer to fig. 3, and is not repeated herein.
In one embodiment, as shown in fig. 6, the voltage indicating assembly 100 includes a display screen that is switched in to the output voltage of the circuit under test of the switchgear. The display screen interface has a plurality of display area ranges, wherein one area range displays a voltage value, and the other area ranges indicate the current voltage, such as 110V indication, 220V indication and 380V indication.
In one embodiment, as shown in fig. 7, it should be noted that fig. 7 shows 10 passive status indicating circuits, each of which includes an operating power supply and a passive light indicating component.
Further, in one embodiment, as shown in fig. 7, the passive light indicating assembly includes a resistor assembly 501, a diode assembly 502, and a passive light indicating assembly 503, the resistor assembly 501 is connected with the diode assembly 502, the diode assembly 502 is connected with the passive light indicating assembly 503, and the resistor assembly 501 is connected with the working power supply through the passive output contact of the circuit to be tested of the switch cabinet. Taking the first passive state indicating loop (i.e. W1A and W1B) as an example, W1A and W1B are connected with passive output contacts (connected with W1A-W10B respectively) of the switch cabinet, and when the contacts are disconnected, no current flows in the indicator light LW1, and the indicator light is not turned on. When the contacts are closed, the working power supply forms a loop through M1+, W1A and W1B, a resistor RW1, a diode DW1 and an indicator light LW 1; the indicator light LW1 is lighted, and in the test, an operator can judge the opening and closing state of the passive output contact of the circuit to be tested of the switch cabinet according to the state of the indicator light LW 1. It is understood that the passive status indicating loops of the other ways are also the same as the first passive status indicating loop (i.e., W1A and W1B), and therefore, they are not illustrated herein.
In one embodiment, the switch cabinet secondary circuit detection device comprises a switch cabinet and the detection device, and the detection device is connected with the switch cabinet through a multi-core cable.
Above-mentioned equipment is connected detection device and cubical switchboard device through the multicore cable for single staff need examine the time measuring to the secondary circuit of cubical switchboard, only need single operation detection device's simulation button and analog switch, just can look over the action condition of cubical switchboard secondary circuit through active state indicating loop and passive state indicating loop, detect the exactness of secondary circuit, reduce experimental operating time, improve work efficiency.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments 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 secondary circuit detection device of a switch cabinet is characterized by comprising an analog button, an analog switch, two or more active state indicating circuits and two or more passive state indicating circuits;
the active state indicating loop comprises a voltage indicating component, a voltage suppressing component and an active light indicating component, wherein the voltage suppressing component is connected with the active light indicating component, the voltage suppressing component is connected to the output voltage of the to-be-debugged loop of the switch cabinet, and the voltage indicating component is connected to the output voltage of the to-be-debugged loop of the switch cabinet;
the passive state indicating loop comprises a working power supply and a passive light indicating component, and the working power supply is connected with the passive light indicating component through a passive output contact of the to-be-debugged loop of the switch cabinet;
the simulation button is used for being connected with a wiring terminal which plays a role of a button in a to-be-tested loop of the switch cabinet;
the analog switch is used for being connected with a wiring terminal which plays a role of a control switch in a to-be-tested loop of the switch cabinet.
2. The device according to claim 1, wherein the voltage suppressing component comprises a primary voltage suppressing component, a secondary voltage suppressing component and a tertiary voltage suppressing component, an input end of the primary voltage suppressing component, an input end of the secondary voltage suppressing component and an input end of the tertiary voltage suppressing component are all connected to the output voltage of the to-be-debugged loop of the switch cabinet, and an output end of the primary voltage suppressing component, an output end of the secondary voltage suppressing component and an output end of the tertiary voltage suppressing component are all connected with the active light indicating component.
3. The apparatus of claim 2, wherein the primary voltage suppression component comprises a suppression diode having a breakdown voltage of 90V, the secondary voltage suppression component comprises a suppression diode having a breakdown voltage of 110V, and the tertiary voltage suppression component comprises a suppression diode having a breakdown voltage of 160V.
4. The device of claim 1, wherein the voltage indication component comprises a display screen, and the display screen is connected to an output voltage of the circuit to be debugged of the switch cabinet.
5. The device of claim 2, wherein the voltage suppressing component further comprises a resistor R1 and a resistor R2, one end of the resistor R1 is connected to the input end of the primary voltage suppressing component and is connected to the output voltage of the to-be-debugged loop of the switch cabinet, the other end of the resistor R1 is connected to the input end of the secondary voltage suppressing component and one end of a resistor R2, the other end of the resistor R2 is connected to the input end of the tertiary voltage suppressing component, and the output end of the primary voltage suppressing component, the output end of the secondary voltage suppressing component and the output end of the tertiary voltage suppressing component are all connected to the active light indicating component.
6. The apparatus of claim 5, wherein the active light assembly comprises a first indicator light assembly coupled to the output of the primary voltage suppression assembly, a second indicator light assembly coupled to the output of the secondary voltage suppression assembly, and a third indicator light assembly coupled to the output of the tertiary voltage suppression assembly.
7. The apparatus of claim 6, wherein the first indicator light assembly comprises a first diode and a first indicator light, the second indicator light assembly comprises a second diode and a second indicator light, and the third indicator light assembly comprises a third diode and a third indicator light;
the output end of the first-level voltage suppression component is connected with the first indicator light through the first diode, the output end of the second-level voltage suppression component is connected with the second indicator light through the second diode, and the output end of the third-level voltage suppression component is connected with the third indicator light through the third diode.
8. The device of claim 7, wherein the first indicator light, the second indicator light, and the third indicator light are different colors of light.
9. The device of claim 1, wherein the passive light indicating assembly comprises a resistor assembly, a diode assembly and a passive light indicating assembly, the resistor assembly is connected with the diode assembly, the diode assembly is connected with the passive light indicating assembly, and the resistor assembly is connected with the working power supply through the passive output contact of the to-be-debugged loop of the switch cabinet.
10. A secondary circuit detection device, characterized in that it comprises a switchgear cabinet and a detection device according to any of claims 1 to 9, said detection device being connected to said switchgear cabinet by means of a multicore cable.
CN201922465618.6U 2019-12-31 2019-12-31 Switch cabinet secondary circuit detection device and equipment Active CN211785853U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922465618.6U CN211785853U (en) 2019-12-31 2019-12-31 Switch cabinet secondary circuit detection device and equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922465618.6U CN211785853U (en) 2019-12-31 2019-12-31 Switch cabinet secondary circuit detection device and equipment

Publications (1)

Publication Number Publication Date
CN211785853U true CN211785853U (en) 2020-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922465618.6U Active CN211785853U (en) 2019-12-31 2019-12-31 Switch cabinet secondary circuit detection device and equipment

Country Status (1)

Country Link
CN (1) CN211785853U (en)

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Effective date of registration: 20220324

Address after: 324000 No. 21, Donggang 1st Road, Kecheng District, Quzhou City, Zhejiang Province

Patentee after: ZHEJIANG UNION POWER ELECTRICITY CO.,LTD.

Address before: 315800 No. 1069, new road, Ningbo economic and Technological Development Zone, Zhejiang

Patentee before: Ningbo Polytechnic

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