Detection device of electric leakage fire detector

Abstract

The utility model discloses a detection device of an electric leakage fire detector, which comprises a base, the upper surface of the base is fixedly connected with a shell, the outer side surface of the shell is symmetrically provided with a fixed box in a penetrating manner, the inner cavity of the fixed box is provided with a joint, and the bottom surface of the inner cavity of the shell is provided with a track groove. A clamping mechanism is arranged at the position of an inner cavity of the shell and comprises a first sliding strip and a second sliding strip, the first sliding strip is slidably connected to a rail groove formed in the bottom face of the inner cavity of the shell, and a positioning plate is fixedly connected to the upper surface of the first sliding strip; and the second sliding strip is slidably connected to a rail groove formed in the bottom face of the inner cavity of the shell, a clamping plate is fixedly connected to the upper surface of the second sliding strip, and a gasket is fixedly connected to the side, close to the positioning plate, of the clamping plate. The detection device of the electric leakage fire detector has the effect of clamping and detecting different types of electric leakage fire detectors.

Description

Technical Field

[0001] This utility model relates to the field of leakage current fire detector technology, and in particular to a detection device for leakage current fire detector. Background Technology

[0002] Leakage current detectors play a crucial role in electrical fire prevention. They primarily consist of a current transformer, a signal processing unit, and an alarm module. The current transformer accurately senses changes in residual current in the circuit; once a leakage occurs, it generates a corresponding induced signal. The signal processing unit quickly processes and analyzes this signal to determine if the residual current exceeds a preset threshold. When an anomaly is detected, the alarm module immediately activates, issuing an alarm via sound and light.

[0003] For example, utility model CN210324477U discloses a detection device for a leakage current fire detector, including a current sensing unit that senses the current inside the leakage current fire detector and outputs a current signal; a current detection unit that receives the current signal and compares it with the current upper limit signal, outputting a high-level comparison signal when the current signal is greater than the current upper limit signal and a low-level comparison signal when the current signal is less than the current upper limit signal; a signal conversion unit that receives the low-level comparison signal and outputs a high-level trigger signal; a safety reminder unit that receives the high-level trigger signal and provides a reminder that the current is normal; a signal switch unit that receives the high-level comparison signal and outputs a switch signal; a remote alarm unit that receives the switch signal and responds to the switch signal to provide a remote alarm; and a detector control unit that receives the switch signal and responds to the switch signal to control the detector to stop working. This utility model can detect and remind users of the internal working current of the leakage current fire detector, reducing damage to the detector.

[0004] The above applications currently have the following shortcomings:

[0005] When testing different models of leakage current fire detectors, inaccurate test data may occur due to loose clamping. Utility Model Content

[0006] This utility model discloses a testing device for leakage current fire detectors, which aims to solve the technical problem that inaccurate test data is caused by loosening due to insufficient clamping when testing different models of leakage current fire detectors.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A detection device for a leakage current fire detector includes a base, an outer shell fixedly connected to the upper surface of the base, a fixed box symmetrically extending through the outer side of the outer shell, a connector provided in the inner cavity of the fixed box, a track groove formed on the bottom surface of the inner cavity of the outer shell, and a clamping mechanism provided in the inner cavity of the outer shell. The clamping mechanism includes a first sliding bar and a second sliding bar. The first sliding bar is slidably connected to the track groove formed on the bottom surface of the inner cavity of the outer shell, a positioning plate fixedly connected to the upper surface of the first sliding bar, and the second sliding bar is slidably connected to the track groove formed on the bottom surface of the inner cavity of the outer shell. A clamping plate is fixedly connected to the upper surface of the second sliding bar, and a washer is fixedly connected to the side of the clamping plate near the positioning plate.

[0009] By setting a connector, the connection terminal of the leakage current fire detector can be connected to the power supply, thereby detecting whether the leakage current fire detector can work normally when outputting high current. By setting a track groove, the clamping mechanism can slide stably in the inner cavity of the housing. By setting a clamping mechanism, different models of leakage current fire detectors can be firmly positioned in the inner cavity of the housing during the detection process, thereby preventing the leakage current fire detector from becoming loose during the detection process and affecting the connection strength with the connector. By setting a first sliding bar and a second sliding bar, it can slide stably in the track groove. By setting a positioning plate and a clamping plate, the leakage current fire detector can be clamped and positioned.

[0010] In a preferred embodiment, a track box is symmetrically fixedly connected to the inner wall of the fixed box, a sliding block is slidably connected to the inner cavity of the track box, the sliding block is fixedly connected to the outer surface of the joint, and a wire is provided at the connection end of the joint.

[0011] By setting up a track box, the sliding block can be limited, thereby allowing the connector to slide stably within the cavity of the fixed box. By setting up wires, the connector can be connected to the power supply.

[0012] In a preferred embodiment, a threaded rod is rotatably connected to the end of the first sliding bar away from the second sliding bar. A threaded tube is threadedly connected to the outer surface of the threaded rod, and the threaded tube is fixedly connected to the outer side of the housing. Limiting grooves are symmetrically formed on the outer side of the housing. The clamping mechanism further includes a sliding rod, which is slidably connected to the limiting grooves formed on the outer side of the housing. A connecting plate is fixedly connected to the end of the sliding rod, and the connecting plate is fixedly connected to the outer surface of the clamping plate. A rotating ring is rotatably connected to the side of the sliding rod away from the connecting plate. A spring is fixedly connected to the outer surface of the rotating ring, and a fixing plate is fixedly connected to the end of the spring. The fixing plate is fixedly connected to the outer surface of the housing.

[0013] By setting a threaded tube, the threaded rod can be limited, and when the threaded rod rotates, it can move in the inner cavity of the threaded tube, thereby driving the first sliding bar to slide in the track groove. By setting a limiting groove, the sliding rod can be limited, so that the sliding rod can produce stable lateral movement. By setting a connecting plate, the sliding rod can be connected to the clamping plate. By setting a spring, elastic potential energy can be generated, so that the sliding rod is subjected to a compressive force, and finally the sliding rod slides in the limiting groove.

[0014] As can be seen from the above, the detection device for a leakage current fire detector has the following improvements and advantages compared with the existing technology;

[0015] Firstly, by setting a connector, the connection terminal of the leakage current fire detector can be connected to the power supply, thereby detecting whether the leakage current fire detector can work normally when outputting high current. By setting a track groove, the clamping mechanism can slide stably in the inner cavity of the housing.

[0016] Secondly, by setting up a clamping mechanism, different models of leakage current fire detectors can be tightly positioned in the inner cavity of the outer shell during the detection process, thereby preventing the leakage current fire detectors from becoming loose during the detection process and affecting the connection strength with the connector. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the detection device for a leakage current fire detector proposed in this utility model.

[0018] Figure 2 This is a top view of the detection device for a leakage current fire detector proposed in this utility model.

[0019] Figure 3 This is a partial schematic diagram of the detection device for a leakage current fire detector proposed in this utility model.

[0020] Figure 4 This is a schematic diagram of the clamping mechanism of the detection device for a leakage current fire detector proposed in this utility model.

[0021] In the attached diagram: 1. Base; 2. Outer shell; 3. Track groove; 4. Fixing box; 5. Track box; 6. Sliding block; 7. Connector; 8. Wire; 9. Clamping mechanism; 10. Limiting groove; 91. Threaded pipe; 92. Threaded rod; 93. First sliding bar; 94. Positioning plate; 95. Second sliding bar; 96. Clamping plate; 97. Washer; 98. Connecting plate; 99. Sliding rod; 910. Rotating ring; 911. Spring; 912. Fixing plate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] The detection device for leakage current fire detectors disclosed in this utility model is mainly used in scenarios where inaccurate detection data may occur due to loose clamping when testing different models of leakage current fire detectors.

[0025] Reference Figure 1 - Figure 4 A detection device for a leakage current fire detector includes a base 1. A housing 2 is fixedly connected to the upper surface of the base 1. A fixing box 4 symmetrically penetrates the outer side of the housing 2. A connector 7 is provided in the inner cavity of the fixing box 4. A track groove 3 is formed on the bottom surface of the inner cavity of the housing 2. A clamping mechanism 9 is provided in the inner cavity of the housing 2. The clamping mechanism 9 includes a first sliding bar 93 and a second sliding bar 95. The first sliding bar 93 is slidably connected to the track groove 3 on the bottom surface of the inner cavity of the housing 2. A positioning plate 94 is fixedly connected to the upper surface of the first sliding bar 93. The second sliding bar 95 is slidably connected to the track groove 3 on the bottom surface of the inner cavity of the housing 2. A clamping plate 96 is fixedly connected to the upper surface of the second sliding bar 95, and the clamping plate 96 is close to the positioning plate 94. A washer 97 is fixedly connected to one side of 4. By setting the connector 7, the connection end of the leakage current fire detector can be connected to the power supply. Then, when the high current is output, the normal operation of the leakage current fire detector can be detected. By setting the track groove 3, the clamping mechanism 9 can slide stably in the inner cavity of the housing 2. By setting the clamping mechanism 9, different models of leakage current fire detectors can be tightly positioned in the inner cavity of the housing 2 during the detection of leakage current fire detectors, thereby preventing the leakage current fire detector from becoming loose during the detection and affecting the connection between it and the connector 7. By setting the first sliding bar 93 and the second sliding bar 95, it can slide stably in the track groove 3. By setting the positioning plate 94 and the clamping plate 96, the leakage current fire detector can be clamped and positioned.

[0026] Reference Figure 1 - Figure 3In a preferred embodiment, a track box 5 is symmetrically fixedly connected to the inner wall of the fixed box 4, and a sliding block 6 is slidably connected to the inner cavity of the track box 5. The sliding block 6 is fixedly connected to the outer surface of the connector 7. By setting the track box 5, the sliding block 6 can be limited, thereby allowing the connector 7 to slide stably in the inner cavity of the fixed box 4. The connection end of the connector 7 is provided with a wire 8, which allows the connector 7 to be connected to a power source.

[0027] Reference Figure 1 and Figure 4 In a preferred embodiment, a threaded rod 92 is rotatably connected to the end of the first sliding bar 93 away from the second sliding bar 95. A threaded tube 91 is threadedly connected to the outer surface of the threaded rod 92. The threaded tube 91 is fixedly connected to the outer side of the outer casing 2. By setting the threaded tube 91, the threaded rod 92 can be limited, and thus, when the threaded rod 92 rotates, it can move within the cavity of the threaded tube 91, thereby driving the first sliding bar 93 to slide at the track groove 3. Limiting grooves 10 are symmetrically opened on the outer side of the outer casing 2. The clamping mechanism 9 also includes a sliding rod 99, which is slidably connected to the limiting grooves 10 opened on the outer side of the outer casing 2. By setting the limiting grooves 10, the sliding rod 99 can be limited. The limiting mechanism allows the sliding rod 99 to move laterally stably. A connecting plate 98 is fixedly connected to the end of the sliding rod 99, and the connecting plate 98 is fixedly connected to the outer surface of the clamping plate 96. By setting the connecting plate 98, the sliding rod 99 and the clamping plate 96 can be connected together. A rotating ring 910 is rotatably connected to the side of the sliding rod 99 away from the connecting plate 98. A spring 911 is fixedly connected to the outer surface of the rotating ring 910. A fixing plate 912 is fixedly connected to the end of the spring 911, and the fixing plate 912 is fixedly connected to the outer surface of the outer shell 2. By setting the spring 911, elastic potential energy can be generated, which in turn causes the sliding rod 99 to be subjected to a compressive force, ultimately causing the sliding rod 99 to slide at the limiting groove 10.

[0028] Working principle: During use, the operator pulls the clamping plate 96, causing the sliding rod 99 to slide at the limiting groove 10. Then, the leakage current fire detector to be tested is placed in the inner cavity of the outer shell 2. After placement, the clamping plate 96 is released. Under the influence of the elastic potential energy of the spring 911, the clamping plate 96 presses against the outer surface of the leakage current fire detector. Then, the connector 7 is moved and connected to the connection end of the leakage current fire detector. After that, the wire 8 is connected to the power supply and the switch is turned on. The current is adjusted to determine whether the leakage current fire detector can work normally.

[0029] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the protection scope of this utility model.

Claims

1. A detection device for a leakage current fire detector, comprising a base (1), wherein a housing (2) is fixedly connected to the upper surface of the base (1), characterized in that, The outer side of the outer shell (2) is symmetrically perforated by a fixed box (4). A connector (7) is provided in the inner cavity of the fixed box (4). A track groove (3) is provided on the bottom surface of the inner cavity of the outer shell (2). A clamping mechanism (9) is provided in the inner cavity of the outer shell (2). The clamping mechanism (9) includes a first sliding bar (93) and a second sliding bar (95). The first sliding bar (93) is slidably connected to the track groove (3) on the bottom surface of the inner cavity of the outer shell (2). A positioning plate (94) is fixedly connected to the upper surface of the first sliding bar (93). The second sliding bar (95) is slidably connected to the track groove (3) on the bottom surface of the inner cavity of the outer shell (2). A clamping plate (96) is fixedly connected to the upper surface of the second sliding bar (95). A washer (97) is fixedly connected to the side of the clamping plate (96) near the positioning plate (94).

2. The detection device for a leakage current fire detector according to claim 1, characterized in that, The inner wall of the fixed box (4) is symmetrically fixedly connected to the track box (5), and the inner cavity of the track box (5) is slidably connected to the sliding block (6), which is fixedly connected to the outer surface of the joint (7).

3. The detection device for a leakage current fire detector according to claim 1, characterized in that, The connector (7) is provided with a wire (8) at the connection end.

4. The detection device for a leakage current fire detector according to claim 1, characterized in that, The first sliding bar (93) is rotatably connected to a threaded rod (92) at one end away from the second sliding bar (95). The outer surface of the threaded rod (92) is threadedly connected to a threaded tube (91), and the threaded tube (91) is fixedly connected to the outer side of the outer shell (2).

5. The detection device for a leakage current fire detector according to claim 1, characterized in that, The outer side of the outer shell (2) is symmetrically provided with limiting grooves (10), and the clamping mechanism (9) also includes a sliding rod (99), which is slidably connected to the limiting grooves (10) provided on the outer side of the outer shell (2).

6. The detection device for a leakage current fire detector according to claim 5, characterized in that, The end of the sliding rod (99) is fixedly connected to a connecting plate (98), which is fixedly connected to the outer surface of the clamping plate (96).

7. The detection device for a leakage current fire detector according to claim 6, characterized in that, The sliding rod (99) is rotatably connected to a rotating ring (910) on the side away from the connecting plate (98). A spring (911) is fixedly connected to the outer surface of the rotating ring (910). A fixing plate (912) is fixedly connected to the end of the spring (911). The fixing plate (912) is fixedly connected to the outer surface of the outer shell (2).

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