Relay detection device

Abstract

The utility model discloses a relay detection device, which comprises an input module, a first detection module, a second detection module and a power supply module, and is characterized in that the input module is used for connecting a relay; the first detection module is used for distinguishing alternating current and direct current of the connected relay; the input module is electrically connected with the first detection module; the second detection module is used for detecting the connected relay; the second detection module is electrically connected with the input module; and the power supply module is used for supplying power to the input module, the first detection module and the second detection module. According to the utility model, alternating current or direct current of the relay is distinguished through the first detection module, and the relay can be detected through the second detection module according to the alternating current or direct current condition of the relay after distinguishing, so that the detection result of the second detection module is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to relay detection technical field especially relates to a relay detection device. BACKGROUND

[0002] The relay is an electric control device, is when the change of input reaches the prescribed requirement, makes the controlled quantity in the electrical output circuit predetermined step change one kind of electric appliance, and the relay needs to be detected by the detection device before being put into use or after using a period of time, so as to ensure that it can run stably.

[0003] The existing relay detection device can be detected when the relay is connected with the input device, and the relay cannot be judged as an AC relay or a DC relay before being connected, and the AC and DC of the relay can only be judged by AC and DC detection before detection, which reduces the work efficiency, and the detection result is affected when the relay is directly detected without judgment, such as when the AC relay is installed with the DC input module. UTILITY MODEL CONTENTS

[0004] (I) Utility model purpose

[0005] To solve the technical problems in the background art, the utility model provides a relay detection device, which is electrically connected with an input module and powered by a power supply module. After power supply, the first detection module distinguishes the AC or DC of the relay. After distinguishing, the second detection module can detect the relay according to its AC or DC. Since the AC relay and the DC relay are distinguished, the detection result of the second detection module is more accurate under the premise of improving the work efficiency.

[0006] (II) Technical scheme

[0007] The utility model provides a relay detection device, which comprises an input module, a first detection module, a second detection module and a power supply module,

[0008] The input module is used for connecting the relay;

[0009] The first detection module is used for distinguishing the AC and DC of the connected relay;

[0010] The input module is electrically connected with the first detection module;

[0011] The second detection module is used for detecting the connected relay;

[0012] The second detection module is electrically connected with the input module;

[0013] The power supply module is configured to supply power to the input module, the first detection module and the second detection module.

[0014] Preferably, the relay detection device further comprises a switching module.

[0015] The switching module is configured to switch the connection circuit between the input module and the first detection module and the second detection module.

[0016] The input module, the switching module and the first detection module are sequentially electrically connected.

[0017] The input module, the switching module and the second detection module are sequentially electrically connected.

[0018] Preferably, the input module comprises an AC positive circuit, an AC negative circuit, a DC positive circuit and a DC negative circuit, the AC positive circuit and the DC positive circuit are electrically connected with the switching module, and the AC negative circuit and the DC negative circuit are electrically connected with the switching module.

[0019] Preferably, the switching module comprises two single-pole double-throw circuits, both of which are electrically connected with the first detection module and the second detection module, one of the single-pole double-throw circuits is selectively electrically connected with the AC positive circuit and the DC positive circuit, and the other single-pole double-throw circuit is electrically connected with the corresponding AC negative circuit and the DC negative circuit of the AC positive circuit and the DC positive circuit.

[0020] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0021] In the utility model, the relay is electrically connected with the input module, and is powered by the power supply module. After power supply, the relay is distinguished between AC and DC by the first detection module. After the distinction, the relay is detected by the second detection module according to the AC or DC condition. Since the AC relay and the DC relay are distinguished, the detection result of the second detection module is more accurate under the premise of improving the working efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 A program block diagram of the relay detection device is provided in the utility model.

[0023] Fig. 2 A connection circuit schematic diagram of the switching module, the input module, the first detection module and the second detection module in the relay detection device is provided in the utility model. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with specific embodiments and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0025] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model in indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, welding, riveting, adhesion and the like, or can be detachable connection, threaded connection, key connection, pin connection and the like, or integrally connected; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] As shown in Figs. 1-2 The utility model provides a kind of relay detection device, including input module, first detection module, second detection module and power supply module,

[0028] The input module is used to connect relay;

[0029] The first detection module is used to distinguish the alternating current and direct current of connected relay;

[0030] The input module is electrically connected with the first detection module;

[0031] The second detection module is used to detect connected relay;

[0032] The second detection module is electrically connected with the input module;

[0033] The power supply module is used to power input module, first detection module and second detection module.

[0034] The utility model discloses a relay and input module electricity is connected, and power supply is carried out through power supply module, and after power supply, the first detection module is carried out to the relay distinction of alternating current or direct current, can distinguish the relay according to its alternating current or direct current and complete the detection of relay through the second detection module, because alternating current relay and direct current relay are distinguished, under the premise of improving work efficiency, the detection result of second detection module can be more accurate.

[0035] In an alternative embodiment, further comprising a switching module;

[0036] The switching module is used for switching the connection circuit between the input module and the first detection module and the second detection module;

[0037] The input module, the switching module and the first detection module are sequentially electrically connected;

[0038] The input module, the switching module and the second detection module are sequentially electrically connected,

[0039] The switching module can switch the connection form of the input module and the relay according to the detection result of the first detection module, so as to realize the electrical connection between the alternating current relay and the input module of alternating current, and the electrical connection between the direct current relay and the input module of direct current.

[0040] In an alternative embodiment, the input module includes an alternating current positive electrode circuit, an alternating current negative electrode circuit, a direct current positive electrode circuit and a direct current negative electrode circuit, the alternating current positive electrode circuit and the direct current positive electrode circuit are electrically connected with the switching module, the alternating current negative electrode circuit and the direct current negative electrode circuit are electrically connected with the switching module, the connection of the switching module with the alternating current positive electrode circuit, the alternating current negative electrode circuit, the direct current positive electrode circuit and the direct current negative electrode circuit can directly cut to the circuit corresponding to the relay model, so as to complete the detection of the relay without reinstalling the relay, and improve the accuracy of detection.

[0041] In an alternative embodiment, the switching module comprises two single-pole double-throw circuits, both of which are electrically connected to the first detection module and the second detection module, one of the single-pole double-throw circuits is selectively electrically connected to the AC positive electrode circuit and the DC positive electrode circuit, and the other single-pole double-throw circuit is electrically connected to the corresponding AC negative electrode circuit and the DC negative electrode circuit of the AC positive electrode circuit and the DC positive electrode circuit, after the first detection module detects the AC and DC models of the relay, the two single-pole double-throw circuits are respectively electrically connected to the DC positive electrode circuit, the DC negative electrode circuit or the AC positive electrode circuit, the AC negative electrode circuit, and both of the single-pole double-throw circuits are connected to the second detection module, so that the detection result of the second detection module is more accurate due to the different circuits connected in the previous connection process, and the output ends of the two single-pole double-throw circuits are respectively electrically connected to the first detection module and the second detection module, and the first detection module and the second detection module are electrically connected.

[0042] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A relay detection device, characterized in that: It includes an input module, a first detection module, a second detection module and a power supply module. The input module is used to connect to the relay; The first detection module is used to distinguish between AC and DC of the connected relay; The input module is electrically connected to the first detection module; The second detection module is used to detect the connected relay; The second detection module is electrically connected to the input module; The power supply module is used to supply power to the input module, the first detection module and the second detection module. Also includes a switching module; The switching module is used to switch the connection circuits between the input module and the first detection module and the second detection module; The input module, the switching module and the first detection module are electrically connected in sequence; The input module, the switching module and the second detection module are electrically connected in sequence.

2. A relay detection device according to claim 1, characterized in that: The input module includes an AC positive circuit, an AC negative circuit, a DC positive circuit and a DC negative circuit. The AC positive circuit and the DC positive circuit are electrically connected to the switching module, and the AC negative circuit and the DC negative circuit are electrically connected to the switching module.

3. A relay detection device according to claim 2, characterized in that: The switching module includes two single-pole double-throw circuits, both of which are electrically connected to the first detection module, and both of which are electrically connected to the second detection module. One of the single-pole double-throw circuits is selectively electrically connected to the AC positive circuit and the DC positive circuit, and the other single-pole double-throw circuit can be electrically connected to the AC negative circuit corresponding to the AC positive circuit and the DC positive circuit and the DC negative pole.

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