Test object control box

Abstract

The utility model belongs to the technical field of electrical detection, and provides a sample control box, which comprises a power supply module, a control loop module and a state feedback module, and is characterized in that the control loop module and the state feedback module are connected with the power supply module; the control loop module comprises a local control unit, a remote control unit and a change-over switch, and the change-over switch is connected with the local control unit and the remote control unit so as to switch local control and remote control; the control loop module and the state feedback module are connected with the detection sample. The test object control box provided by the utility model can directly control the detection process of the test object remotely or locally, is high in operation and use flexibility, improves the convenience of test object detection, can feed back the state of the test object in the detection process, is time-saving and labor-saving, and reduces the operation difficulty and complexity of test object detection.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical detection, and particularly relates to a test sample control box. Background Art

[0002] With the rapid development of the power industry and the gradual improvement of the standard system, the quality control of products is more stringent. Currently, switch equipment and control equipment are usually used to conduct relevant inspections and tests on products. The following problems exist in the existing product inspection process:

[0003] 1. The secondary control of products during the inspection process is extremely cumbersome and time-consuming;

[0004] 2. The coil voltage and current during the closing and opening processes are inaccurately collected;

[0005] 3. There are differences in the operating voltage and control circuit during the inspection of different products, resulting in the need to replace different power supplies, and there are incompatibility problems with the existing test sample power cabinets;

[0006] 4. It can only perform on-site operations and inspections, which limits the inspection environment and scenarios.

[0007] Therefore, it is necessary to design a test sample control box for inspection that can solve the above problems. Summary of the Invention

[0008] In order to solve the above technical problems, the utility model proposes a test sample control box, which can remotely or locally directly control the inspection process of the test sample, has a high flexibility in operation and use, improves the convenience of test sample inspection, and can feedback the state of the test sample during the inspection process, saving time and effort, and reducing the operation difficulty and cumbersome degree of test sample inspection.

[0009] The technical solution of the utility model is as follows:

[0010] The utility model proposes a test sample control box, which is characterized in that it includes a power supply module, a control circuit module, and a status feedback module, and the control circuit module and the status feedback module are both connected to the power supply module;

[0011] The control circuit module includes a local control unit, a remote control unit, and a changeover switch, and the changeover switch is connected to the local control unit and the remote control unit to switch between local control and remote control;

[0012] The control circuit module and the status feedback module are both connected to the test sample to be inspected.

[0013] Preferably, the status feedback module includes an open-circuit characteristic tester, a contact signal unit, and a stroke signal unit;

[0014] The no-load characteristic tester is connected to the contact signal unit and the stroke signal unit, and the contact signal unit and the stroke signal unit are connected to the test product.

[0015] Preferably, the status feedback module is provided with a status feedback aviation socket connected to the test product, the contact signal unit is provided with a contact signal aviation socket connected to the test product, and the stroke signal unit is provided with a stroke signal aviation socket connected to the test product.

[0016] Preferably, the no-load characteristic tester includes a voltage measurement unit and a current measurement unit.

[0017] Preferably, the status feedback module is provided with status indicator lights for displaying the closing, opening, and energy storage states of the test product.

[0018] Preferably, the power supply module includes a 380V AC power supply unit and a 24V DC power supply unit.

[0019] Preferably, the test product control box provided by the present invention further includes a power cabinet module connected to the power supply module, and the power cabinet module is provided with four adjustable power supply units.

[0020] Preferably, the control circuit module is provided with a test product control aviation socket connected to the test product.

[0021] The present invention has the following advantages and effects compared with the prior art:

[0022] (1) By adopting a control circuit module including a local control unit and a remote control unit, different detection control methods can be switched through a changeover switch, eliminating the limitations on the detection environment and scenarios, and improving the convenience of product detection;

[0023] (2) By adopting a no-load characteristic tester including a voltage measurement unit and a current measurement unit to collect the coil voltage and current data during the closing and opening processes, the accuracy of the collected data and the detection results is improved;

[0024] (3) By adopting a power supply module including a 380V AC power supply unit and a 24V DC power supply unit, and a power cabinet module connected to the power supply module, different adjustable power supplies are provided to meet the operating voltages during the detection of different products, reducing the operation difficulty of the secondary control of the product during the detection process, saving the detection time, and improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic connection diagram of the test product control box in the embodiment of the present invention;

[0026] Figure 2Schematic front view structure of the door body of the test sample control box in the embodiment of the present utility model;

[0027] Figure 3 Schematic partial circuit structure diagram of the test sample control box in the embodiment of the present utility model;

[0028] Figure 4 Schematic partial circuit structure diagram of the control loop module in the test sample control box in the embodiment of the present utility model;

[0029] Figure 5 Schematic circuit structure diagram of the power supply module in the test sample control box in the embodiment of the present utility model;

[0030] Figure 6 Schematic circuit structure diagram of the port signal unit and the travel signal unit in the test sample control box in the embodiment of the present utility model;

[0031] Figure 7 Schematic partial circuit structure diagram of the status feedback module in the test sample control box in the embodiment of the present utility model;

[0032] Figure 8 Schematic partial circuit structure diagram of the control loop module in the test sample control box in the embodiment of the present utility model;

[0033] Figure 9 Schematic wiring diagram of the test sample control aviation socket in the test sample control box in the embodiment of the present utility model;

[0034] Figure 10 Schematic wiring diagram of the status feedback aviation socket in the test sample control box in the embodiment of the present utility model;

[0035] Figure 11 Schematic wiring diagram of the port signal aviation socket in the test sample control box in the embodiment of the present utility model;

[0036] Figure 12 Schematic wiring diagram of the travel signal aviation socket in the test sample control box in the embodiment of the present utility model. Detailed implementation manners

[0037] In order to enable those skilled in the art to better understand the present utility model, the present utility model will be further described below in conjunction with the specific implementation manners.

[0038] Embodiment:

[0039] As Figures 1 to 12As shown in the figure, the utility model provides a test sample control box, which can remotely or directly control the closing and opening operations of the test sample through grounding, and provide the operating voltage required during the detection of the test sample. At the same time, it can collect the coil voltage and current during the closing and opening process of the test sample, and feedback the closing and opening states and energy storage states of the test sample. Specifically, it includes a power supply module, a control circuit module, a status feedback module, and a power cabinet module. The control circuit module, the status feedback module, and the power cabinet module are all connected to the power supply module.

[0040] As Figure 2 shown in the figure is the front view of the test sample control box. Among them, SA01 is a change-over switch, SB1 is a push button with a lamp, SB2 is a push button with a lamp, HL1 is an energy storage indicator light, XD1~XD8 are banana sockets, HC1 is an aviation socket for test sample control, HC2 is an aviation socket for status feedback, HC5 is an aviation socket for contact signal, and HC6 is an aviation socket for travel signal. They are all arranged at the front opening position of the test sample control box. At the same time, the wiring layout of the aviation socket HC1 for test sample control can be specifically referred to Figure 9 as shown in the content, the wiring layout of the aviation socket HC2 for status feedback can be specifically referred to Figure 10 as shown in the content, the wiring layout of the aviation socket HC5 for contact signal can be specifically referred to Figure 11 as shown in the content, the wiring layout of the aviation socket HC6 for travel signal can be specifically referred to Figure 12 as shown in the content.

[0041] Refer to Figure 2 shown in the figure, the power cabinet module is provided with four adjustable power supply units, which provide adjustable AC and DC 0~250V power to the power supply module. It should be noted that the power cabinet module can be realized by using existing test sample power cabinet equipment, and its specific structure and function will not be elaborated here.

[0042] As Figure 5 shown in the figure, the power supply module includes a 380V AC power supply unit and a 24V DC power supply unit, which are responsible for the power supply of the control circuit module and the status feedback module. Specifically, the power supply module is provided with 4 AC / DC miniature circuit breakers, 1 AC miniature circuit breaker, and 1 DC miniature circuit breaker. At the same time, it is also provided with 8 banana sockets XD1~XD8.

[0043] Combined with Figure 3 , Figure 4 shown in the figure, the control circuit module includes a local control unit, a remote control unit, and a change-over switch SA01. The change-over switch SA01 is connected to the local control unit and the remote control unit to switch between local control and remote control. Specifically, when local control is selected, the relay KA11 is energized, and when remote control is selected, the relay KA13 is energized.

[0044] AsFigure 5 As shown, the control loop module is provided with a test product control aviation socket HC1 connected to the test product, which is responsible for providing the closing power supply, opening power supply, energy storage power supply, and control loop required for testing the product, and is connected to the no-load characteristic tester with coil current and voltage measurement in the status feedback module through the 3STP1 terminal block.

[0045] Combined with Figure 3 and Figure 8 As shown, in the local control mode of the control loop module, that is, when the relay KA11 is closed, the test product is controlled for closing through the lighted button SB1 and the relay KA7, and the test product is controlled for opening through the lighted button SB2 and the relay KA8; when the control loop module is in the remote control mode, that is, when the relay KA11 is closed, it is connected to the remote PLC control module through the terminal block 3TB1, so as to realize the remote control of the closing and opening operations of the test product. It should be noted that the remote PLC control module is a mature existing technology and will not be elaborated in detail here.

[0046] The status feedback module includes a no-load characteristic tester, a contact signal unit, and a stroke signal unit; the no-load characteristic tester is connected to the contact signal unit and the stroke signal unit, and the contact signal unit and the stroke signal unit are connected to the test product through an aviation socket. Refer to Figure 3 and Figure 6 As shown, the status feedback module is provided with a status feedback aviation socket HC2 connected to the test product, the contact signal unit is provided with a contact signal aviation socket HC5 connected to the test product, the stroke signal unit is provided with a stroke signal aviation socket HC6 connected to the test product, and the aviation socket is connected to the no-load characteristic tester through the 3TSP1 terminal block.

[0047] As Figure 3 shown, the no-load characteristic tester includes a voltage measurement unit and a current measurement unit, and collects the contact signal and the stroke signal of the test product through signal lines. It should be noted that the no-load characteristic tester is a mature existing technology, and its specific structure and principle will not be elaborated here.

[0048] Refer to Figure 3 and Figure 7 As shown, the status feedback module is provided with status indicator lights to display the closing, opening, and energy storage states of the test product. Specifically, it lights the indicator lights (lighted button SB1, lighted button SB2, HL1) through the closing of the contactors KA1, KA2, and KA3 to display the closing state, opening state, and energy storage state of the test product respectively.

[0049] In summary, the test sample control box provided by the present utility model can remotely or locally directly control the detection process of the test sample, with high flexibility in operation and use, improving the convenience of test sample detection. Moreover, it can feedback the state of the test sample during the detection process, saving time and effort, and reducing the operation difficulty and complexity of test sample detection.

[0050] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model. All equivalent changes and modifications made according to the scope of the present utility model should still fall within the scope covered by the present utility model.

Claims

1. A sample control box, characterized in that: It includes a power supply module, a control loop module, and a status feedback module. The control loop module and the status feedback module are both connected to the power supply module; The control loop module includes a local control unit, a remote control unit, and a changeover switch. The changeover switch is connected to the local control unit and the remote control unit to switch between local control and remote control; The control loop module and the status feedback module are both connected to the test item.

2. The sample control box according to claim 1, characterized in that: The status feedback module includes an open-circuit characteristic tester, a contact signal unit, and a travel signal unit; The open-circuit characteristic tester is connected to the contact signal unit and the travel signal unit. The contact signal unit and the travel signal unit are connected to the test item.

3. The sample control box according to claim 2, wherein: The status feedback module is provided with a status feedback aviation socket connected to the test item. The contact signal unit is provided with a contact signal aviation socket connected to the test item. The travel signal unit is provided with a travel signal aviation socket connected to the test item.

4. The sample control box according to claim 2, wherein: The open-circuit characteristic tester includes a voltage measurement unit and a current measurement unit.

5. The sample control box according to claim 1, characterized in that: The status feedback module is provided with status indicator lights for indicating the closing, opening, and energy storage states of the test item.

6. The sample control box according to claim 1, characterized in that: The power supply module includes a 380V AC power supply unit and a 24V DC power supply unit.

7. The sample control box according to claim 1, characterized in that: It also includes a power cabinet module connected to the power supply module. The power cabinet module is provided with four adjustable power supply units.

8. The sample control box according to claim 1, wherein: The control loop module is provided with a test item control aviation socket connected to the test item.

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