Multi-position high-temperature alarm device in electrical distribution box

Abstract

The utility model provides a multi-position high temperature alarm device in an electrical distribution box, which comprises a control box, a storage battery, a controller and a temperature sensor are fixedly arranged in the control box, and the storage battery and the temperature sensor are electrically connected with the controller; a plurality of thermal deformation mechanisms are uniformly distributed and fixedly connected to the control box through wires, are electrically connected in parallel and are electrically connected with the controller through wires; according to the overall arrangement of the utility model, a required number of thermal deformation mechanisms can be installed in parallel at different positions in the electrical distribution box according to monitoring requirements, so that when the temperature of the position where the thermal deformation mechanism is installed reaches the deformation temperature of the thermal deformation mechanism, the thermal deformation mechanism is triggered to switch on a circuit, and at the moment, the corresponding indicating lamp emits light; therefore, the temperature of different positions in the electrical distribution box can be conveniently monitored, and the overall flexibility, convenience, safety and reliability are greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of high temperature alarms, and in particular to a high temperature alarm device at multiple positions in an electrical distribution box. Background Art

[0002] The distribution box is an electrical equipment with the characteristics of small size, easy installation, special technical performance, fixed position, unique configuration function, no site restrictions, wide application, stable and reliable operation, high space utilization, small footprint and environmental protection.

[0003] The massive parameters on the distribution box data generally constitute the low-voltage forest. According to the electrical wiring, it is required to assemble the switchgear, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen to form a low-voltage distribution box. During normal operation, the circuit can be connected or disconnected with the help of manual or automatic switches.

[0004] Since a variety of electrical control components are assembled inside the distribution box, heat will be generated during operation. In order to ensure the safety of the control components, a corresponding high temperature alarm device is required to monitor their temperature. However, the existing high temperature alarm device for electrical distribution boxes is not convenient for monitoring the temperature at different positions of the distribution box, so it has certain limitations.

[0005] Therefore, it is very necessary to invent a high temperature alarm device for multiple positions in an electrical distribution box. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a high temperature alarm device at multiple positions in an electrical distribution box. The technical solution adopted is: a high temperature alarm device at multiple positions in an electrical distribution box, comprising a control box, wherein: a battery, a controller and a temperature sensor are fixedly installed inside the control box, and the battery and the temperature sensor are electrically connected to the controller; a plurality of thermal deformation mechanisms are evenly and fixedly connected to the control box through wires, and the thermal deformation mechanisms are electrically connected in parallel, and the thermal deformation mechanism is electrically connected to the controller and the battery through wires;

[0007] Preferably, the thermal deformation mechanism includes a support ring, and a positive thermal deformation sheet is fixedly installed on one side of the support ring, and a negative thermal deformation sheet is fixedly installed on the other side of the support ring; the positive thermal deformation sheet and the negative thermal deformation sheet are arranged in mirror-image positions with the support ring as the center, and one end of the positive thermal deformation sheet and the negative thermal deformation sheet overlap and correspond to each other; a positive support sheet and a negative support sheet are fixedly installed on both sides of the outside of the support ring, and the positive support sheet is electrically connected to the positive thermal deformation sheet, and the negative support sheet is electrically connected to the negative thermal deformation sheet;

[0008] Preferably, the positive electrode support sheet is electrically connected to the controller and the positive electrode of the battery through corresponding wires;

[0009] Preferably, the negative electrode support plate is electrically connected to the controller and the negative electrode of the battery through corresponding wires.

[0010] Preferably, a positive electrode threaded cap is fixedly installed on the other end of the positive electrode support sheet, and a power cord is fixedly installed inside the positive electrode support sheet, and an electrode contact is fixedly installed inside the positive electrode threaded cap; one end of the power cord is electrically connected to the electrode contact inside the positive electrode threaded cap, and the other end of the power cord is electrically connected to the positive electrode thermal deformation sheet; the positive electrode threaded cap is fixedly connected to the control box through a corresponding wire, and the positive electrode threaded cap is electrically connected to the controller and the positive electrode of the battery through a corresponding wire; an indicator light is fixedly installed on the positive electrode support sheet, and the indicator light is electrically connected in series with the power cord.

[0011] Preferably, a negative electrode threaded cap is fixedly installed on the other end of the negative electrode support plate, and a power cord is fixedly installed inside the negative electrode support plate, and an electrode contact is fixedly installed inside the negative electrode threaded cap; one end of the power cord is electrically connected to the electrode contact inside the negative electrode threaded cap, and the other end of the power cord is electrically connected to the negative electrode thermal deformation plate; the negative electrode threaded cap is fixedly connected to the control box through a corresponding wire, and the negative electrode threaded cap is electrically connected to the controller and the negative electrode of the battery through the corresponding wire.

[0012] Preferably, a control panel is provided on the surface of the control box, and a USB charging port for battery power supply is provided on one side of the control box, and a plurality of positive threaded holes and negative threaded holes are evenly distributed on the bottom surface of the control box; the control panel is electrically connected to the controller; electrode contacts are fixedly installed inside the positive threaded holes and the negative threaded holes, and the electrode contacts inside the positive threaded holes are electrically connected to the positive pole of the battery, and the electrode contacts inside the negative threaded holes are electrically connected to the negative pole of the battery; the positive threaded holes and the negative threaded holes are electrically connected to corresponding wires.

[0013] Preferably, a threaded electrode column is fixedly installed on one end of the wire, and a second threaded electrode column is fixedly installed on the other end of the wire, and one end of the threaded electrode column and the second threaded electrode column are each fixedly installed with an electrode contact and electrically connected to the wire; the threaded electrode column is installed in the corresponding positive threaded cap and negative threaded cap, and the electrode contact on the threaded electrode column is electrically connected to the electrode contact in the corresponding positive threaded cap and negative threaded cap; the second threaded electrode column is fixedly installed in the corresponding positive threaded hole and negative threaded hole, and the electrode contact of the second threaded electrode column is electrically connected to the electrode contact in the corresponding positive threaded hole and negative threaded hole.

[0014] Compared with the prior art, the advantages of the utility model are:

[0015] The overall setting of the utility model can install a required number of thermal deformation mechanisms in parallel at different positions in the electrical distribution box according to monitoring requirements. When the temperature at the position where the thermal deformation mechanism is installed reaches the deformation temperature of the thermal deformation mechanism, the thermal deformation mechanism will be triggered to connect the corresponding circuit. At this time, the corresponding indicator light will light up and the buzzer will alarm, thereby facilitating temperature monitoring of different positions in the electrical distribution box, greatly improving the overall flexibility, convenience, safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic diagram of the explosion structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the thermal deformation mechanism of the utility model.

[0019] In the figure:

[0020] Control box 1, control panel 2, USB charging port 3, positive electrode threaded hole 4, negative electrode threaded hole 5, wire 6, threaded electrode column 61, threaded electrode column II 62, thermal deformation mechanism 7, support ring 71, positive electrode thermal deformation sheet 72, negative electrode thermal deformation sheet 73, positive electrode support sheet 74, negative electrode support sheet 75, indicator light 76, positive electrode threaded cap 77, negative electrode threaded cap 78. DETAILED DESCRIPTION

[0021] 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 described clearly and completely below. 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.

[0022] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] Embodiment 1

[0025] Reference Figure 1-3 , a high temperature alarm device for multiple positions in an electrical distribution box, comprising a control box 1, wherein: a battery, a controller and a temperature sensor are fixedly installed inside the control box 1, and the battery and the temperature sensor are electrically connected to the controller; a plurality of thermal deformation mechanisms 7 are evenly and fixedly connected to the control box 1 through wires 6, and the arrangement of the wires 6 facilitates the separate disassembly and assembly of the thermal deformation mechanisms 7, and the thermal deformation mechanisms 7 are electrically connected in parallel, and the thermal deformation mechanisms 7 are electrically connected to the controller through the wires 6, and the arrangement of the thermal deformation mechanisms 7 enables the required number of thermal deformation mechanisms 7 to be installed at different positions in the electrical distribution box according to demand, and at the same time, they are connected without interfering with each other, so as to facilitate high temperature monitoring of different positions of the electrical distribution box;

[0026] The controller adopts existing technology, such as a single chip microcomputer in the existing technology, so it will not be described in detail here.

[0027] The thermal deformation mechanism 7 includes a support ring 71. Through the setting of the support ring 71, the stability of the positive thermal deformation sheet 72, the negative thermal deformation sheet 73, the positive support sheet 74 and the negative support sheet 75 can be ensured, and the positive thermal deformation sheet 72 is fixedly installed on one side of the support ring 71, and the negative thermal deformation sheet 73 is fixedly installed on the other side of the support ring 71; the positive thermal deformation sheet 72 and the negative thermal deformation sheet 73 are arranged in a mirror image position with the support ring 71 as the center, and one end of the positive thermal deformation sheet 72 and the negative thermal deformation sheet 73 overlap and correspond to each other. Through the setting of the positive thermal deformation sheet 72 and the negative thermal deformation sheet 73, after the temperature at the installation position reaches the deformation temperature, the positive thermal deformation sheet 72 and the negative thermal deformation sheet 73 are bent toward the center of the support ring 71, so that the positive thermal deformation sheet 72 and the negative thermal deformation sheet 73 are in contact with each other to conduct the corresponding circuit; a positive support sheet 74 and a negative support sheet 75 are fixedly installed on both sides of the outside of the support ring 71, and the positive support sheet 74 is electrically connected to the positive thermal deformation sheet 72, and the negative support sheet 75 is electrically connected to the negative thermal deformation sheet 73; it should be noted that, under normal circumstances, the positive thermal deformation sheet 72 and the negative thermal deformation sheet 73 are not in contact with each other; the positive support sheet 74 is electrically connected to the controller and the positive electrode of the battery through the corresponding wire 6; the negative support sheet 75 is electrically connected to the controller and the negative electrode of the battery through the corresponding wire 6;

[0028] It should be noted that both the positive electrode thermal deformation sheet 72 and the negative electrode thermal deformation sheet 73 adopt the existing technology, such as the bimetallic sheet in the existing technology, so they will not be described in detail here.

[0029] A positive threaded cap 77 is fixedly installed on the other end of the positive support sheet 74. The setting of the positive threaded cap 77 facilitates disassembly and assembly with the corresponding wire 6, and a power cord is fixedly installed inside the positive support sheet 74, and an electrode contact is fixedly installed inside the positive threaded cap 77; one end of the power cord is electrically connected to the electrode contact inside the positive threaded cap 77, and the other end of the power cord is electrically connected to the positive thermal deformation sheet 72; the positive threaded cap 77 is fixedly connected to the control box 1 through the corresponding wire 6, and the positive threaded cap 77 is electrically connected to the controller and the positive electrode of the battery through the corresponding wire 6; an indicator light 76 is fixedly installed on the positive support sheet 74, and the indicator light 76 is electrically connected in series with the power cord; through the setting of the indicator light 76, it can be lit after the circuit where it is located is turned on, thereby conspicuously reminding relevant personnel of the location of the high-temperature trigger point so that relevant personnel can carry out maintenance.

[0030] A negative pole threaded cap 78 is fixedly installed on the other end of the negative pole support sheet 75. The setting of the negative pole threaded cap 78 facilitates disassembly and assembly with the corresponding wire 6, and a power cord is fixedly installed inside the negative pole support sheet 75, and an electrode contact is fixedly installed inside the negative pole threaded cap 78; one end of the power cord is electrically connected to the electrode contact inside the negative pole threaded cap 78, and the other end of the power cord is electrically connected to the negative pole thermal deformation sheet 73; the negative pole threaded cap 78 is fixedly connected to the control box 1 through the corresponding wire 6, and the negative pole threaded cap 78 is electrically connected to the controller and the negative pole of the battery through the corresponding wire 6.

[0031] A control panel 2 is provided on the surface of the control box 1, and a USB charging port 3 for battery power supply is provided on one side of the control box 1. A plurality of positive threaded holes 4 and negative threaded holes 5 are evenly distributed on the bottom surface of the control box 1. The arrangement of the positive threaded holes 4 and the negative threaded holes 5 facilitates disassembly and assembly with the wires 6, thereby facilitating parallel connection of the required number of thermal deformation mechanisms 7; the control panel 2 is electrically connected to the controller; the positive threaded holes 4 and the negative threaded holes 5 are each fixedly installed with an electrode contact inside, and the electrode contact inside the positive threaded hole 4 is electrically connected to the positive pole of the battery, and the electrode contact inside the negative threaded hole 5 is electrically connected to the negative pole of the battery; the positive threaded hole 4 and the negative threaded hole 5 are electrically connected to the corresponding wires 6.

[0032] A threaded electrode column 61 is fixedly installed at one end of the wire 6, and a threaded electrode column 2 62 is fixedly installed at the other end of the wire 6. One end of the threaded electrode column 61 and the threaded electrode column 2 62 are respectively fixedly installed with electrode contacts and are electrically connected to the wire 6. The arrangement of the threaded electrode column 61 and the threaded electrode column 2 62 facilitates disassembly and assembly between the corresponding positive threaded hole 4 and the negative threaded hole 5 and the positive threaded cap 77 and the negative threaded cap 78; the threaded electrode column 61 is installed in the corresponding positive threaded cap 77 and the negative threaded cap 78, and the electrode contacts on the threaded electrode column 61 are electrically connected to the electrode contacts in the corresponding positive threaded cap 77 and the negative threaded cap 78; the threaded electrode column 2 62 is fixedly installed in the corresponding positive threaded hole 4 and the negative threaded hole 5, and the electrode contacts of the threaded electrode column 2 62 are electrically connected to the electrode contacts in the corresponding positive threaded hole 4 and the negative threaded hole 5.

[0033] In this embodiment, when in use, the required number of thermal deformation mechanisms 7 are installed at different positions in the electrical distribution box according to the needs, and then the positive electrode threaded cap 77 and the negative electrode threaded cap 78 on the thermal deformation mechanism 7 are electrically connected to the positive electrode threaded hole 4 and the negative electrode threaded hole 5 through the required number of wires 6, such as Figure 1 shape;

[0034] In this way, in the later stage, when the temperature of the position where the thermal deformation mechanism 7 is installed in the electrical distribution box reaches the deformation temperature of the positive thermal deformation sheet 72 and the negative thermal deformation sheet 73, the positive thermal deformation sheet 72 and the negative thermal deformation sheet 73 will bend toward the center of the support ring 71, so that the positive thermal deformation sheet 72 and the negative thermal deformation sheet 73 are in contact with each other, so that the circuit where they are located is turned on and the indicator light 76 on the circuit is lit. At the same time, the controller will receive the signal and trigger the buzzer to remind relevant personnel to perform maintenance. Since the indicator light 76 at the position with higher temperature is lit, it can clearly remind relevant personnel of the location of the high temperature trigger point, so that relevant personnel can perform quick maintenance.

[0035] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A high temperature alarm device for multiple positions in an electrical distribution box, characterized in that: The invention comprises a control box (1), wherein: a battery, a controller and a temperature sensor are fixedly installed inside the control box (1), and the battery and the temperature sensor are electrically connected to the controller; a plurality of thermal deformation mechanisms (7) are evenly and fixedly connected to the control box (1) via wires (6), and the thermal deformation mechanisms (7) are electrically connected in parallel, and the thermal deformation mechanisms (7) are electrically connected to the controller and the battery via the wires (6); The thermal deformation mechanism (7) comprises a support ring (71), and a positive electrode thermal deformation sheet (72) is fixedly mounted on one side of the support ring (71), and a negative electrode thermal deformation sheet (73) is fixedly mounted on the other side of the support ring (71); a positive electrode support sheet (74) and a negative electrode support sheet (75) are fixedly mounted on both sides of the outside of the support ring (71), and the positive electrode support sheet (74) is electrically connected to the positive electrode thermal deformation sheet (72), and the negative electrode support sheet (75) is electrically connected to the negative electrode thermal deformation sheet (73); The positive electrode support sheet (74) is electrically connected to the controller and the positive electrode of the battery via a corresponding wire (6); The negative electrode support sheet (75) is electrically connected to the controller and the negative electrode of the battery via a corresponding wire (6).

2. A high temperature alarm device for multiple positions in an electrical distribution box as claimed in claim 1, characterized in that: A positive electrode threaded cap (77) is fixedly mounted on the other end of the positive electrode support sheet (74), and a power supply line is fixedly mounted inside the positive electrode support sheet (74), and an electrode contact is fixedly mounted inside the positive electrode threaded cap (77); one end of the power supply line is electrically connected to the electrode contact inside the positive electrode threaded cap (77), and the other end of the power supply line is electrically connected to the positive electrode thermal deformation sheet (72); the positive electrode threaded cap (77) is fixedly connected to the control box (1) through a corresponding wire (6), and the positive electrode threaded cap (77) is electrically connected to the controller and the positive electrode of the battery through the corresponding wire (6); an indicator light (76) is fixedly mounted on the positive electrode support sheet (74), and the indicator light (76) is electrically connected in series with the power supply line.

3. A high temperature alarm device for multiple positions in an electrical distribution box as claimed in claim 2, characterized in that: A negative electrode threaded cap (78) is fixedly mounted on the other end of the negative electrode support sheet (75), and a power line is fixedly mounted inside the negative electrode support sheet (75), and an electrode contact is fixedly mounted inside the negative electrode threaded cap (78); one end of the power line is electrically connected to the electrode contact inside the negative electrode threaded cap (78), and the other end of the power line is electrically connected to the negative electrode thermal deformation sheet (73); the negative electrode threaded cap (78) is fixedly connected to the control box (1) through a corresponding wire (6), and the negative electrode threaded cap (78) is electrically connected to the controller and the negative electrode of the battery through the corresponding wire (6).

4. A high temperature alarm device for multiple positions in an electrical distribution box as claimed in claim 3, characterized in that: The control box (1) is provided with a control panel (2) on its surface, and a USB charging port (3) for battery power supply is provided on one side of the control box (1), and a plurality of positive electrode threaded holes (4) and negative electrode threaded holes (5) are evenly distributed on the bottom surface of the control box (1); the control panel (2) is electrically connected to the controller; the positive electrode threaded holes (4) and the negative electrode threaded holes (5) are each fixedly installed with electrode contacts inside, and the electrode contacts inside the positive electrode threaded holes (4) are electrically connected to the positive electrode of the battery, and the electrode contacts inside the negative electrode threaded holes (5) are electrically connected to the negative electrode of the battery; the positive electrode threaded holes (4) and the negative electrode threaded holes (5) are electrically connected to corresponding wires (6).

5. A high temperature alarm device for multiple positions in an electrical distribution box as claimed in claim 4, characterized in that: A threaded electrode column (61) is fixedly mounted on one end of the wire (6), and a second threaded electrode column (62) is fixedly mounted on the other end of the wire (6); one end of each of the threaded electrode column (61) and the second threaded electrode column (62) is fixedly mounted with an electrode contact, and is electrically connected to the wire (6); the threaded electrode column (61) is mounted in a corresponding positive electrode threaded cap (77) and a negative electrode threaded cap (78), and the electrode contact on the threaded electrode column (61) is electrically connected to the electrode contact in the corresponding positive electrode threaded cap (77) and the negative electrode threaded cap (78); the second threaded electrode column (62) is fixedly mounted in a corresponding positive electrode threaded hole (4) and a negative electrode threaded hole (5), and the electrode contact of the second threaded electrode column (62) is electrically connected to the electrode contact in the corresponding positive electrode threaded hole (4) and the negative electrode threaded hole (5).

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