Drawer switch diagnostic device

Abstract

The utility model discloses a drawer switch diagnostic device, which comprises: a shell, a drawer switch placement area and an operation diagnostic module carried by the shell, the drawer switch placement area accommodating the drawer switch to be diagnosed, the operation diagnostic module at least comprising a main control unit and a power supply unit located inside the shell and an operable unit located on the top of the shell; the power supply unit is electrically connected to the main control unit and the operable unit respectively, and the main control unit is electrically connected to the operable unit; the operable unit at least comprises a cleaning subunit, an insulation direct resistance detection start-stop subunit and a downstream load detection start-stop subunit, and the drawer switch diagnostic device is integrated to reduce the difficulty of diagnosis and maintenance of the drawer switch and the operation and maintenance efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of drawer switches, in particular to a drawer switch diagnosis device. Background Art

[0002] The drawer switch is a functional unit in the low-voltage switch cabinet. It is an automatic switch combination with isolation function and is widely used in remote control, automatic control, electrical control and other application scenarios. In the daily production process, in order to ensure that the drawer switch is in good working condition, a lot of inspection, maintenance and calibration work is required for the components in the drawer switch.

[0003] Based on the calibration requirements of the relays in the drawer switches, it is necessary to manually pull out all the drawer switches of a bus section, clean and dust the inside, and perform direct resistance measurement, insulation measurement, and functional testing on each internal electrical component, which greatly increases the workload of the staff and reduces the convenience and efficiency of the maintenance work. Utility Model Content

[0004] The utility model provides a drawer switch diagnostic device, which is integrated with the drawer switch diagnostic device to reduce the difficulty of diagnosis and repair of the drawer switch and the operation and maintenance efficiency.

[0005] According to one aspect of the utility model, a drawer switch diagnostic device is provided, comprising: a housing, a drawer switch placement area and an operation diagnostic module carried by the housing, the drawer switch placement area accommodating a drawer switch to be diagnosed, the operation diagnostic module at least comprising a main control unit and a power supply unit located inside the housing, and an operable unit located on the top of the housing; the power supply unit is electrically connected to the main control unit and the operable unit respectively, and the main control unit is electrically connected to the operable unit;

[0006] The operable unit at least includes a cleaning subunit, an insulation direct resistance detection start-stop subunit, and a downstream load detection start-stop subunit;

[0007] The drawer switch comprises a first trigger signal output terminal and a second trigger signal output terminal;

[0008] The main control unit includes a first trigger signal receiving end, a cleaning signal receiving end, an insulation direct resistance detection start-stop signal receiving end, and a downstream load detection start-stop signal receiving end; the power supply unit includes a second trigger signal receiving end; the cleaning subunit includes a cleaning signal output end, the insulation direct resistance detection start-stop subunit includes an insulation direct resistance detection start-stop signal output end; the downstream load detection start-stop subunit includes a downstream load detection start-stop signal output end;

[0009] The first trigger signal output terminal is connected to the first trigger signal receiving terminal; the second trigger signal output terminal is connected to the second trigger signal receiving terminal; the clean signal output terminal is connected to the clean signal receiving terminal; the insulation direct resistance detection start and stop signal output terminal is connected to the insulation direct resistance detection start and stop signal receiving terminal; the downstream load detection signal output terminal is connected to the downstream load detection signal receiving terminal.

[0010] Optionally, the operation diagnosis module further includes a fan control unit, a soot blowing fan and a soot suction fan located inside the housing;

[0011] The main control unit includes a fan control unit start signal output terminal; the fan control unit includes a fan control unit start signal receiving terminal, a soot blowing fan start signal output terminal and a soot suction fan start signal output terminal; the soot blowing fan includes a soot blowing fan start signal receiving terminal; the soot suction fan includes a soot suction fan start signal receiving terminal;

[0012] The fan control unit start signal output end is connected to the fan control unit start signal receiving end; the soot blowing fan start signal output end is connected to the soot blowing fan start signal receiving end; the soot suction fan start signal output end is connected to the soot suction fan start signal receiving end.

[0013] Optionally, the operation diagnosis module further includes an insulation direct resistance detection unit located inside the shell, the main control unit includes an insulation direct resistance detection unit start signal output terminal, and the insulation direct resistance detection unit includes an insulation direct resistance detection unit start signal receiving terminal;

[0014] The insulation direct resistance detection unit start signal output end is connected to the insulation direct resistance detection unit start signal receiving end.

[0015] Optionally, the downstream load detection start-stop subunit includes an electric valve limit adjustment knob and a first type of downstream load detection start-stop subunit; the first type of downstream load detection start-stop subunit includes a valve opening signal output terminal and a valve closing signal output terminal; the electric valve limit adjustment knob includes a simulated stroke clockwise signal output terminal and a simulated stroke counterclockwise signal output terminal; the main control unit includes a valve opening signal receiving terminal, a valve closing signal receiving terminal, a simulated stroke clockwise signal receiving terminal and a simulated stroke counterclockwise signal receiving terminal;

[0016] The valve opening signal output end is connected to the valve opening signal receiving end, and the simulated stroke clockwise signal output end is connected to the simulated stroke clockwise signal receiving end; the valve closing signal output end is connected to the valve closing signal receiving end, and the simulated stroke counterclockwise signal output end is connected to the simulated stroke counterclockwise signal receiving end.

[0017] Optionally, the downstream load detection start-stop subunit includes a second type of downstream load detection start-stop subunit; the second type of downstream load detection start-stop subunit includes a button box start signal output terminal and a button box close signal output terminal; the main control unit includes a button box start signal receiving terminal and a button box close signal receiving terminal;

[0018] The button box start signal output end is connected to the button box start signal receiving end, and the button box close signal output end is connected to the button box close signal receiving end.

[0019] Optionally, the operable unit further includes an indicator light fault detection unit, the indicator light fault detection unit includes an indicator light fault detection signal output terminal, and the main control unit includes an indicator light fault detection signal receiving terminal;

[0020] The indicator light fault detection signal output end is connected to the indicator light fault detection signal receiving end.

[0021] Optionally, the operable unit further includes a remote start / stop subunit, the remote start / stop subunit includes a remote start signal output terminal and a remote shutdown signal output terminal, and the main control unit includes a remote start signal receiving terminal and a remote shutdown signal receiving terminal;

[0022] The remote start signal output terminal is connected to the remote start signal receiving terminal, and the remote shutdown signal output terminal is connected to the remote shutdown signal receiving terminal.

[0023] Optionally, the drawer switch diagnostic device further includes an insulation resistance detection result display unit located at the top of the shell, and the insulation resistance detection result display unit is electrically connected to the main control unit.

[0024] Optionally, the drawer switch diagnostic device further includes a current and voltage display unit located on the top of the shell, and the current and voltage display unit is electrically connected to the main control unit.

[0025] Optionally, the drawer switch diagnostic device further comprises a main power switch located at the top of the housing, and the main power switch starts or shuts down the drawer switch diagnostic device.

[0026] The technical solution of the embodiment of the utility model is that the drawer switch diagnostic device includes: a shell and a drawer switch placement area and an operation diagnostic module carried by the shell. The drawer switch placement area accommodates the drawer switch to be diagnosed. The operation diagnostic module at least includes a main control unit and a power supply unit located inside the shell and an operable unit located on the top of the shell; the power supply unit is electrically connected to the main control unit and the operable unit respectively, and the main control unit is electrically connected to the operable unit; the operable unit at least includes a cleaning subunit, an insulation direct resistance detection start-stop subunit and a downstream load detection start-stop subunit. The drawer switch diagnostic device is integrated to reduce the difficulty of diagnosis and maintenance of the drawer switch and the operation and maintenance efficiency.

[0027] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present utility model, nor are they intended to limit the scope of the present utility model. Other features of the present utility model will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 A schematic diagram of the structure of a drawer switch diagnostic device provided by an embodiment of the utility model;

[0030] Figure 2 A schematic diagram of the principle structure of a drawer switch diagnostic device provided by an embodiment of the utility model;

[0031] Figure 3 A schematic diagram of the structure of another drawer switch diagnostic device provided by an embodiment of the utility model;

[0032] Figure 4 A schematic structural diagram of another drawer switch diagnostic device provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0033] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0034] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0035] Figure 1 A schematic diagram of the structure of a drawer switch diagnostic device provided by an embodiment of the utility model.

[0036] Figure 2 A schematic diagram of the principle structure of a drawer switch diagnostic device provided by an embodiment of the utility model,

[0037] Figure 3 A schematic diagram of the structure of another drawer switch diagnostic device provided by an embodiment of the utility model is shown as follows: Figure 1 , Figure 2 and Figure 3As shown, the drawer switch diagnostic device 100 includes: a housing 101 and a drawer switch placement area 102 and an operation diagnostic module 103 carried by the housing 101, the drawer switch placement area 102 accommodates the drawer switch 10 to be diagnosed, and the operation diagnostic module 103 includes at least a main control unit 104 and a power supply unit 105 located inside the housing 101 and an operable unit 106 located on the top of the housing 101; the power supply unit 105 is electrically connected to the main control unit 104 and the operable unit 106 respectively, and the main control unit 104 is electrically connected to the operable unit 106; the operable unit 106 includes at least a cleaning subunit 107, an insulation direct resistance detection start-stop subunit 108 and a downstream load detection start-stop subunit 109; the drawer switch 10 includes a first trigger signal output terminal 11 and a second trigger signal output terminal 12; the main control unit 104 includes a first trigger signal receiving terminal 1041 and a cleaning signal receiving terminal 1042 , an insulation direct resistance detection start and stop signal receiving terminal 1043 and a downstream load detection start and stop signal receiving terminal 1044; the power supply unit 105 includes a second trigger signal receiving terminal 1051; the cleaning subunit 107 includes a cleaning signal output terminal 1071, and the insulation direct resistance detection start and stop subunit 108 includes an insulation direct resistance detection start and stop signal output terminal 1081; the downstream load detection start and stop subunit 109 includes a downstream load detection start and stop signal output terminal 1091; the first trigger signal output terminal 11 is connected to the first trigger signal receiving terminal 1041; the second trigger signal output terminal 12 is connected to the second trigger signal receiving terminal 1051; the cleaning signal output terminal 1071 is connected to the cleaning signal receiving terminal 1042; the insulation direct resistance detection start and stop signal output terminal 1081 is connected to the insulation direct resistance detection start and stop signal receiving terminal 1043; the downstream load detection start and stop signal output terminal 1091 is connected to the downstream load detection start and stop signal receiving terminal 1044.

[0038] The drawer switch diagnostic device 100 is provided with a housing 101, a drawer switch placement area 102 is provided in the housing 101, and the drawer circuit wiring is integrated in the drawer switch placement area 102, so that the drawer switch to be diagnosed can be placed in the drawer switch placement area 102 for convenient detection. The drawer switch is provided with a first trigger signal output terminal 11 and a second trigger signal output terminal 12, and correspondingly, a main control unit 104 for monitoring, diagnosis and feedback and a power supply unit 105 for power supply built in the housing 101 are provided inside the housing 101 of the drawer switch diagnostic device 100, the first trigger signal receiving terminal 1041 of the main control unit 104 receives the first trigger signal output by the first trigger signal output terminal 11; at the same time, the second trigger signal receiving terminal 1051 of the power supply unit 105 receives the second trigger signal output by the second trigger signal output terminal 12, the power supply unit 105 is started, the power supply unit 105 is also electrically connected to the main control unit 104, the power supply unit 105 supplies power to the main control unit 104, and the main control unit 104 is started at the same time. At this time, the drawer switch 10 will also have an opening indicator light, and the internal circuit breaker will be closed, so as to realize the preliminary start of the drawer switch diagnostic device 100. An operable unit 106 is provided on the top of the housing 101, i.e., a detection button corresponding to different detection functions, so as to facilitate operation by external operators. At the same time, the operable unit 106 is electrically connected to the main control unit 104, so that the main control unit 104 can receive the operation information and then perform the corresponding diagnosis. The operable unit 106 at least includes a cleaning subunit 107, an insulation direct resistance detection start-stop subunit 108, and a downstream load detection start-stop subunit 109; the cleaning subunit 107 may include a cleaning start button and a cleaning stop button located at the top of the shell 101. The cleaning start button of the cleaning subunit 107 is activated, and the cleaning signal output terminal 1071 outputs a cleaning start signal to the cleaning signal receiving terminal 1042 of the main control unit 104. The active unit starts the internal dust cleaning of the drawer switch 10 according to the received cleaning start signal until the cleaning is completed. At this time, the cleaning stop button is activated to control the cleaning subunit 107 to close, and the cleaning signal output terminal 1071 outputs a cleaning stop signal to the cleaning signal receiving terminal 1042 of the main control unit 104. The main control unit 104 exits the cleaning operation according to the cleaning stop signal.The insulation direct resistance detection start and stop subunit 108 is used to perform direct resistance measurement and insulation measurement on the electrical components inside the drawer switch 10. The internal electrical components include: circuit breakers, contactors, intermediate relays, ground fault relays, zero-sequence relays, control systems (SIMOCODE+communication), feedback contacts, indicator lights, etc. The insulation direct resistance detection start and stop subunit 108 may include an insulation direct resistance detection start button and an insulation direct resistance detection close button. When the insulation direct resistance detection start button is activated, the insulation direct resistance detection start and stop signal output terminal 1081 outputs an insulation direct resistance detection start signal, which is received by the insulation direct resistance detection start and stop signal receiving terminal 1043 of the main control unit 104, thereby starting the insulation direct resistance detection of the drawer switch 10. After the detection is completed and the detection result is displayed, the insulation direct resistance detection close button is activated, the insulation direct resistance detection start and stop signal output terminal 1081 outputs an insulation direct resistance detection close signal, which is received by the insulation direct resistance detection start and stop signal receiving terminal 1043 of the main control unit 104, thereby closing the insulation direct resistance detection of the drawer switch 10. The downstream load detection start-stop subunit 109 can be set up for corresponding operations according to the types of downstream loads, and at least includes a downstream load detection start unit and a downstream load detection shutoff unit. When the downstream load detection start unit is started, the downstream load detection start-stop signal output terminal 1091 outputs a downstream load detection start signal, which is received by the downstream load detection start-stop signal receiving terminal 1044 of the main control unit 104, thereby starting the downstream load detection in the drawer switch 10. After the detection is completed, the downstream load detection shutoff unit is started, the downstream load detection start-stop signal output terminal 1091 outputs a downstream load detection shutoff signal, which is received by the downstream load detection start-stop signal receiving terminal 1044 of the main control unit 104, thereby stopping the downstream load detection in the drawer switch 10. By triggering the operable unit 106 on the top of the housing 101 of the drawer switch diagnostic device 100, an integrated diagnosis of the drawer switch 10 to be diagnosed can be achieved, complex wiring operations can be avoided, work efficiency can be improved, and operation and maintenance efficiency can be ensured.

[0039] In the embodiment of the utility model, a drawer switch placement area operation diagnostic module is set in the drawer switch diagnostic device, the drawer switch placement area accommodates the drawer switch to be diagnosed, and the operation diagnostic module includes at least a main control unit and a power supply unit located inside the shell and an operable unit located on the top of the shell; the power supply unit supplies power to the main control unit and the operable unit, the main control unit is electrically connected to the operable unit, and the operable unit includes at least a cleaning subunit, an insulation direct resistance detection start-stop subunit and a downstream load detection start-stop subunit, the drawer switch diagnostic device is integrated, and the diagnosis and maintenance difficulty and operation and maintenance efficiency of the drawer switch are reduced.

[0040] Optional, continue to refer to Figure 1 and Figure 2The operation diagnosis module 103 also includes a fan control unit 110, a soot blowing fan 111 and a soot sucking fan 112 located inside the shell 101; the main control unit 104 includes a fan control unit start signal output terminal 1045; the fan control unit 110 includes a fan control unit start signal receiving terminal 1101, a soot blowing fan start signal output terminal 1102 and a soot sucking fan start signal output terminal 1103; the soot blowing fan 111 includes a soot blowing fan start signal receiving terminal 1111, and the soot sucking fan 112 includes a soot sucking fan start signal receiving terminal 1121; the fan control unit start signal output terminal 1045 is connected to the fan control unit start signal receiving terminal 1101; the soot blowing fan start signal output terminal 1102 is connected to the soot blowing fan start signal receiving terminal 1111; the soot sucking fan start signal output terminal 1103 is connected to the soot sucking fan start signal receiving terminal 1121.

[0041] Among them, a fan control unit 110 is arranged inside the shell 101 of the operation diagnosis module 103. When the cleaning subunit 107 is started, the main control unit 104 starts working, and at the same time, the fan control unit start signal output terminal 1045 of the main control unit 104 outputs the fan control unit 110 start signal, which is received by the fan control unit start signal receiving terminal 1101 of the fan control unit 110, and then the soot blowing fan start signal output terminal 1102 of the fan control unit 110 outputs the soot blowing fan 111 start signal, which is received by the soot blowing fan start signal receiving terminal 1111 of the soot blowing fan 111, and then the drawer switch 10 is soot blown; at the same time, the soot suction fan start signal output terminal 1103 of the fan control unit 110 outputs the soot suction fan 112 start signal, which is received by the soot suction fan start signal receiving terminal 1121 of the soot blowing fan 111, and then the drawer switch 10 is soot suctioned to ensure the internal cleaning of the drawer switch 10.

[0042] Optional, continue to refer to Figure 1 and Figure 2 The operation diagnosis module 103 also includes an insulation direct resistance detection unit 113 located inside the shell 101, the main control unit 104 includes an insulation direct resistance detection unit start signal output terminal 1046, and the insulation direct resistance detection unit 113 includes an insulation direct resistance detection unit start signal receiving terminal 1131; the insulation direct resistance detection unit start signal output terminal 1046 and the insulation direct resistance detection unit start signal receiving terminal 1131 are connected.

[0043] Among them, the insulation resistance detection unit 113 inside the shell 101 of the operation diagnosis module 103 starts the insulation resistance detection of the drawer switch 10, and the insulation resistance detection start and stop subunit 108 is started. At the same time, the insulation resistance detection unit start signal output terminal 1046 of the main control unit 104 outputs the insulation resistance detection unit 113 start signal, which is received by the insulation resistance detection unit start signal receiving terminal 1131 of the insulation resistance detection unit 113, and the insulation resistance detection unit 113 is controlled to start, thereby realizing the insulation resistance detection of the main circuit of the drawer switch 10.

[0044] Optional, Figure 4 A schematic diagram of the structure of another drawer switch diagnostic device provided by an embodiment of the utility model is shown as follows: Figure 4 As shown, the downstream load detection start-stop subunit 109 includes an electric valve limit adjustment knob 114 and a first type of downstream load detection start-stop subunit 115; the first type of downstream load detection start-stop subunit 115 includes a valve opening signal output terminal 1151 and a valve closing signal output terminal 1152; the electric valve limit adjustment knob 114 includes a simulated stroke clockwise signal output terminal 1141 and a simulated stroke counterclockwise signal output terminal 1142; the main control unit 104 includes a valve opening signal receiving terminal 116, The valve closing signal receiving terminal 117, the simulated stroke clockwise signal receiving terminal 118 and the simulated stroke counterclockwise signal receiving terminal 119; the valve opening signal output terminal 1151 is connected to the valve opening signal receiving terminal 116, and the simulated stroke clockwise signal output terminal 1141 is connected to the simulated stroke clockwise signal receiving terminal 118; the valve closing signal output terminal 1152 is connected to the valve closing signal receiving terminal 117, and the simulated stroke counterclockwise signal output terminal 1142 is connected to the simulated stroke counterclockwise signal receiving terminal 119.

[0045] Among them, when the downstream load includes an electric actuator type, the downstream load detection start-stop subunit 109 includes an electric valve limit adjustment knob 114 and a first type of downstream load detection start-stop subunit 115. The first type of downstream load detection start-stop subunit 115 may include a valve opening button and a valve closing button. When the downstream load detection is performed, the electric actuator is simulated to perform a valve switching stroke action. When the valve opening button is started, the valve opening signal output terminal 1151 outputs a valve opening signal, and the electric valve limit adjustment knob 114 rotates clockwise, and the simulated stroke clockwise signal output terminal 1141 outputs a simulated stroke clockwise signal; when the valve closing button is started, the valve closing signal output terminal 1152 outputs a valve closing signal, and the electric valve limit adjustment knob 114 rotates counterclockwise, and the simulated stroke counterclockwise signal output terminal 1142 outputs a simulated stroke counterclockwise signal, thereby realizing the stable operation and operation fault diagnosis feedback of the first type of downstream load.

[0046] Optional, continue to refer to Figure 4The downstream load detection start-stop subunit 109 includes a second type of downstream load detection start-stop subunit 120; the second type of downstream load detection start-stop subunit 120 includes a button box start signal output terminal 1201 and a button box close signal output terminal 1202; the main control unit 104 includes a button box start signal receiving terminal 121 and a button box close signal receiving terminal 122; the button box start signal output terminal 1201 is connected to the button box start signal receiving terminal 121, and the button box close signal output terminal 1202 is connected to the button box close signal receiving terminal 122.

[0047] Among them, when the downstream load includes types such as motors or heaters, the downstream load detection start-stop subunit 109 includes a second-type downstream load detection start-stop subunit 120. When performing downstream load detection, the downstream load is simulated to perform start and stop operations. When the second-type downstream load detection start-stop subunit 120 is started, the button box start signal output terminal 1201 outputs a button box start signal; when the second-type downstream load detection start-stop subunit 120 is turned off, the button box close signal output terminal 1202 outputs a button box close signal, thereby realizing diagnostic feedback on the stable operation and operation faults of the second-type downstream load.

[0048] Optional, continue to refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The operable unit 106 also includes an indicator light fault detection unit 123, the indicator light fault detection unit 123 includes an indicator light fault detection signal output terminal 1231, and the main control unit 104 includes an indicator light fault detection signal receiving terminal 124; the indicator light fault detection signal output terminal 1231 and the indicator light fault detection signal receiving terminal 124 are connected.

[0049] The operable unit 106 further includes an indicator light fault detection unit 123, which is used to observe the status of each indicator light in the drawer switch 10. The indicator light fault detection unit 123 may be an indicator light fault detection button. When the indicator light fault detection unit 123 is started, its indicator light fault detection signal output terminal 1231 outputs an indicator light fault detection signal, which is received by the indicator light fault detection signal receiving terminal 124 of the main control unit 104, thereby observing whether each indicator light in the drawer switch 10 is normally lit.

[0050] Optional, continue to refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The operable unit 106 also includes a remote start-stop subunit 125, the remote start-stop subunit 125 includes a remote start signal output terminal 1251 and a remote shutdown signal output terminal 1252, and the main control unit 104 includes a remote start signal receiving terminal 126 and a remote shutdown signal receiving terminal 127; the remote start signal output terminal 1251 is connected to the remote start signal receiving terminal 126, and the remote shutdown signal output terminal 1252 is connected to the remote shutdown signal receiving terminal 127.

[0051] Among them, the operable unit 106 also includes a remote start-stop subunit 125, which can be a remote start-stop knob. The remote start-stop subunit 125 is used for the simulated remote or local function of the drawer switch 10. When simulating the remote start-stop function, the knob in the drawer switch 10 must be turned to the remote position first, and then the remote start-stop subunit 125 is started in sequence on the operable unit 106. The remote start signal output terminal 1251 of the remote start-stop subunit 125 outputs a remote start signal, which is received by the remote start signal receiving terminal 126 of the main control unit 104, and then the circuit breaker status and indicator light in the drawer switch 10 are observed to be correct, and the background server performs remote operation; or the remote shutdown signal output terminal 1252 outputs a remote shutdown signal, which is received by the remote shutdown signal receiving terminal 127 of the main control unit 104, and the remote start-stop subunit 125 is closed.

[0052] Optional, continue to refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The drawer switch diagnostic device 100 further includes an insulation resistance detection result display unit 128 located at the top of the housing 101 , and the insulation resistance detection result display unit 128 is electrically connected to the main control unit 104 .

[0053] Among them, an insulation resistance detection result display unit 128 electrically connected to the main control unit 104 is provided on the top of the housing 101, which can display the insulation resistance detection result, and display it intuitively for easy viewing. At the same time, the insulation resistance detection result display unit 128 is a display screen, and can also display fault information.

[0054] Optional, continue to refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The drawer switch diagnostic device 100 further includes a current and voltage display unit 129 located at the top of the housing 101 , and the current and voltage display unit 129 is electrically connected to the main control unit 104 .

[0055] The drawer switch diagnostic device 100 further includes a current and voltage display unit 129 located on the top of the housing 101 and electrically connected to the main control unit 104 , which displays the current value or voltage value in real time during the diagnosis of the drawer switch 10 .

[0056] Optional, continue to refer to Figure 3 The drawer switch diagnostic device 100 further includes a main power switch 130 located at the top of the housing 101 , and the main power switch 130 starts or shuts down the drawer switch diagnostic device 100 .

[0057] Among them, the drawer switch diagnostic device 100 also includes a main power switch 130 located at the top of the shell 101. When the drawer switch diagnostic device 100 needs to be started, the main power switch 130 can be started, and then the drawer switch 10 startup diagnosis can be performed; when the diagnosis of the drawer switch 10 to be detected is completed, the drawer switch 10 is taken out from the drawer switch placement area 102, and then the main power switch 130 can be turned off, so as to avoid the drawer switch diagnostic device 100 being in standby state for a long time and ensure its service life.

[0058] The above specific implementations do not constitute a limitation on the protection scope of the present utility model. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A drawer switch diagnostic device, characterized in that: include: A housing, a drawer switch placement area and an operation diagnosis module carried by the housing, wherein the drawer switch placement area accommodates a drawer switch to be diagnosed, and the operation diagnosis module comprises at least a main control unit and a power supply unit located inside the housing, and an operable unit located on the top of the housing; the power supply unit is electrically connected to the main control unit and the operable unit, respectively, and the main control unit is electrically connected to the operable unit; The operable unit at least includes a cleaning subunit, an insulation direct resistance detection start-stop subunit, and a downstream load detection start-stop subunit; The drawer switch comprises a first trigger signal output terminal and a second trigger signal output terminal; The main control unit includes a first trigger signal receiving end, a cleaning signal receiving end, an insulation direct resistance detection start-stop signal receiving end, and a downstream load detection start-stop signal receiving end; the power supply unit includes a second trigger signal receiving end; the cleaning subunit includes a cleaning signal output end, the insulation direct resistance detection start-stop subunit includes an insulation direct resistance detection start-stop signal output end; the downstream load detection start-stop subunit includes a downstream load detection start-stop signal output end; The first trigger signal output terminal is connected to the first trigger signal receiving terminal; the second trigger signal output terminal is connected to the second trigger signal receiving terminal; the clean signal output terminal is connected to the clean signal receiving terminal; the insulation direct resistance detection start and stop signal output terminal is connected to the insulation direct resistance detection start and stop signal receiving terminal; the downstream load detection signal output terminal is connected to the downstream load detection signal receiving terminal.

2. The drawer switch diagnostic device according to claim 1, characterized in that: The operation diagnosis module also includes a fan control unit, a soot blowing fan and a soot suction fan located inside the housing; The main control unit includes a fan control unit start signal output terminal; the fan control unit includes a fan control unit start signal receiving terminal, a soot blowing fan start signal output terminal and a soot suction fan start signal output terminal; the soot blowing fan includes a soot blowing fan start signal receiving terminal and the soot suction fan includes a soot suction fan start signal receiving terminal; The fan control unit start signal output end is connected to the fan control unit start signal receiving end; the soot blowing fan start signal output end is connected to the soot blowing fan start signal receiving end; the soot suction fan start signal output end; the soot suction fan start signal receiving end is connected.

3. The drawer switch diagnostic device according to claim 1, characterized in that: The operation diagnosis module further includes an insulation direct resistance detection unit located inside the housing, the main control unit includes an insulation direct resistance detection unit start signal output terminal, and the insulation direct resistance detection unit includes an insulation direct resistance detection unit start signal receiving terminal; The insulation direct resistance detection unit start signal output end is connected to the insulation direct resistance detection unit start signal receiving end.

4. The drawer switch diagnostic device according to claim 1, characterized in that: The downstream load detection start-stop subunit includes an electric valve limit adjustment knob and a first type of downstream load detection start-stop subunit; the first type of downstream load detection start-stop subunit includes a valve opening signal output terminal and a valve closing signal output terminal; the electric valve limit adjustment knob includes a simulated stroke clockwise signal output terminal and a simulated stroke counterclockwise signal output terminal; the main control unit includes a valve opening signal receiving terminal, a valve closing signal receiving terminal, a simulated stroke clockwise signal receiving terminal and a simulated stroke counterclockwise signal receiving terminal; The valve opening signal output end is connected to the valve opening signal receiving end, and the simulated stroke clockwise signal output end is connected to the simulated stroke clockwise signal receiving end; the valve closing signal output end is connected to the valve closing signal receiving end, and the simulated stroke counterclockwise signal output end is connected to the simulated stroke counterclockwise signal receiving end.

5. The drawer switch diagnostic device according to claim 1, characterized in that: The downstream load detection start-stop subunit includes a second type of downstream load detection start-stop subunit; the second type of downstream load detection start-stop subunit includes a button box start signal output terminal and a button box close signal output terminal; the main control unit includes a button box start signal receiving terminal and a button box close signal receiving terminal; The button box start signal output end is connected to the button box start signal receiving end, and the button box close signal output end is connected to the button box close signal receiving end.

6. The drawer switch diagnostic device according to claim 1, characterized in that: The operable unit further comprises an indicator light fault detection unit, the indicator light fault detection unit comprises an indicator light fault detection signal output terminal, and the main control unit comprises an indicator light fault detection signal receiving terminal; The indicator light fault detection signal output end is connected to the indicator light fault detection signal receiving end.

7. The drawer switch diagnostic device according to claim 1, characterized in that: The operable unit further comprises a remote start / stop subunit, the remote start / stop subunit comprises a remote start signal output terminal and a remote shutdown signal output terminal, and the main control unit comprises a remote start signal receiving terminal and a remote shutdown signal receiving terminal; The remote start signal output terminal is connected to the remote start signal receiving terminal, and the remote shutdown signal output terminal is connected to the remote shutdown signal receiving terminal.

8. The drawer switch diagnostic device according to claim 1, characterized in that: The drawer switch diagnostic device further comprises an insulation resistance detection result display unit located at the top of the shell, and the insulation resistance detection result display unit is electrically connected to the main control unit.

9. The drawer switch diagnostic device according to claim 1, characterized in that: The drawer switch diagnostic device further comprises a current and voltage display unit located on the top of the housing, and the current and voltage display unit is electrically connected to the main control unit.

10. The drawer switch diagnostic device according to claim 1, characterized in that: The drawer switch diagnostic device further comprises a main power switch located at the top of the housing, and the main power switch starts or shuts down the drawer switch diagnostic device.

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