CN212807358U - Overheat alarm device of outdoor low-voltage control cabinet - Google Patents
Overheat alarm device of outdoor low-voltage control cabinet Download PDFInfo
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- CN212807358U CN212807358U CN202021761254.2U CN202021761254U CN212807358U CN 212807358 U CN212807358 U CN 212807358U CN 202021761254 U CN202021761254 U CN 202021761254U CN 212807358 U CN212807358 U CN 212807358U
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 238000013021 overheating Methods 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 10
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- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000003350 kerosene Substances 0.000 claims description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
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Abstract
The utility model discloses an outdoor overheated alarm device of low-voltage control cabinet of using, concretely relates to switch board field, including alarm control box and control terminal, one side fixed mounting of alarm control box has overheated temperature to feel the mechanism, and heat conduction fin is installed in the embedding of one side of overheated temperature to feel the mechanism, and the inside slidable mounting of overheated temperature to feel the mechanism has first piston board and second piston board, and it has the thermal expansion liquid to fill between the bottom surface of second piston board and the bottom surface of overheated temperature to feel the mechanism inner chamber, and alarm control box's internally mounted has the controller, buzzer siren and wireless signal output module, and the flashing warning light is installed to alarm control box's top surface. The utility model discloses a sensitive stability of mechanical type temperature, utilize the inside thermal expansion liquid of overheated temperature sensing mechanism to carry out the temperature-sensing, the inflation promotion piston motion that is heated through liquid triggers response trigger mechanism intercommunication and produces the signal of telecommunication, reports to the police the suggestion, compares in traditional electronic sensor formula temperature-sensing sensitive more sensitive, and the practicality is high.
Description
Technical Field
The utility model relates to a switch board technical field, more specifically say, the utility model specifically is an outdoor low-voltage control cabinet's overheated alarm device.
Background
With the rapid development of the modern construction business of the power industry, the transformation of a power grid is started in all directions, the country increases the investment intensity of power infrastructure and the development of urbanization, the country has great investment on public facilities, the urban transformation has great demand on outdoor high-low voltage control cabinets and outdoor low-high voltage control cabinets in districts, streets and other places, a low-voltage control cabinet is a combined low-voltage switch cabinet assembled by standard modules in a working way, and the low-voltage switch cabinet is suitable for a power supply system with the alternating current 50-60HZ rated working voltage of 380V or below and is used for controlling power transmission, power distribution, electric energy conversion and electric energy consumption equipment.
The application scenario of current low-voltage control cabinet is changeable but simple structure function singleness, and the cabinet body internal environment that leads to when external environment high temperature or inside electronic components's normal operating heat is too high after, and the high thermal environment arouses easily that electronic components in the low-voltage control cabinet during operation fault rate increases, can lead to electrical components life to shorten on the one hand, and on the other hand also makes power equipment produce the potential safety hazard.
Therefore, it is highly desirable to provide an overheat alarm device for an outdoor low-voltage control cabinet.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides an outdoor overheated alarm device of low-voltage control cabinet, sensitive stable through mechanical type temperature sense, utilize the inside thermal expansion liquid of overheated temperature sense mechanism to carry out the temperature-sensing, the inflation promotion piston motion that is heated through liquid triggers response trigger mechanism intercommunication and produces the signal of telecommunication, and utilize and explode sudden strain of a muscle warning light and buzzer siren to carry out near the acousto-optic warning suggestion maintenance operating personnel of switch board to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an outdoor overheated alarm device with low-voltage control cabinet, includes alarm control box and control terminal, one side fixed mounting of alarm control box has overheated temperature sensing mechanism, heat conduction fin is installed in the embedding of one side of overheated temperature sensing mechanism, the inside slidable mounting of overheated temperature sensing mechanism has first piston plate and second piston plate, it has the thermal expansion liquid to fill between the bottom surface of second piston plate and the bottom surface of overheated temperature sensing mechanism inner chamber, the inboard fixed mounting respectively of first piston plate and second piston plate has electrode feeler lever and electrode touch socket, the tip electricity of electrode feeler lever and electrode touch socket is connected with response trigger mechanism, the top surface threaded connection of overheated temperature sensing mechanism has the fine setting screw rod, the bottom of fine setting screw rod runs through to the inside of overheated temperature sensing mechanism and one side rotation butt of first piston plate, the inside fixed mounting of alarm control box has controller, The alarm comprises a buzzer alarm and a wireless signal output module, and an explosion and flash prompting lamp is fixedly mounted on the top surface of the alarm control box.
In a preferred embodiment, the thermal expansion liquid is a metal mercury liquid, alcohol or kerosene material component, a sealing gasket is fixedly adhered to the bottom surface of the second piston plate, and the outer side of the sealing gasket is in interference fit with the inner wall of the overheating temperature sensing mechanism.
In a preferred embodiment, the first piston plate and the second piston plate are arranged oppositely, a return spring is arranged between the first piston plate and the second piston plate, the return spring is in an original state, the first piston plate is an insulating material member, and the overheating temperature sensing mechanism and the second piston plate are metal material members.
In a preferred embodiment, the electrode contact rod and the electrode contact seat are located on the same line, and the electrode contact rod and the electrode contact seat are arranged in the same direction as the moving direction of the second piston plate.
In a preferred embodiment, the input ends of the flashing prompt lamp and the buzzer alarm are electrically connected with the output end of the controller, the output end of the wireless signal output module is in electric signal connection with the input end of the control terminal, and the wireless signal output module is matched with the communication protocol of the control terminal.
In a preferred embodiment, the induction trigger mechanism includes a first electrode rod, a second electrode rod, a carbon brush guide sleeve and a graphite guide bar, the carbon brush guide sleeve is slidably sleeved on the outer side of the electrode contact rod, the graphite guide bar is embedded in the inner wall of the overheat temperature sensing mechanism, the outer sides of the first electrode rod and the second electrode rod are sleeved with an insulating layer, and the end portions of the first electrode rod and the second electrode rod are respectively electrically connected with two stages of input ends of the controller.
In a preferred embodiment, the second piston plate is provided with a metal protrusion on the periphery, the outer side of the metal protrusion is in sliding abutment with the inner side of the graphite conducting bar, the outer side of the electrode feeler lever is in sliding abutment with the inner side of the carbon brush guide sleeve, and the electrode feeler lever and the electrode feeler seat are made of metal copper materials.
The utility model discloses a technological effect and advantage:
1. the utility model has the advantages that the mechanical temperature sensing is sensitive and stable, the temperature sensing is carried out by utilizing the thermal expansion liquid in the overheat temperature sensing mechanism, the piston is pushed to move by the thermal expansion of the liquid to trigger the sensing trigger mechanism to be communicated to generate an electric signal, and the alarm prompt is carried out, so that the temperature sensing is more sensitive and has high practicability compared with the traditional electronic sensor type temperature sensing;
2. the utility model discloses a set up many system alarm structure, utilize and explode sudden strain of a muscle warning light and buzzer siren to carry out near the acousto-optic warning suggestion maintenance operating personnel of switch board, or utilize radio signal output module to pass through radio signal's mode output with high temperature alarm signal, carry out remote alarm, further improve the device's practicality.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the overheat temperature sensing mechanism of the present invention.
Fig. 3 is a schematic structural view of the induction triggering mechanism of the present invention.
Fig. 4 is a schematic structural diagram of a position a in fig. 2 according to the present invention.
Fig. 5 is a schematic diagram of the control structure of the present invention.
The reference signs are: 1. an alarm control box; 2. an overheat temperature sensing mechanism; 3. a heat conductive fin; 4. fine adjustment of the screw rod; 5. a controller; 6. flashing prompt lights; 7. a buzzer alarm; 8. a wireless signal output module; 9. an induction trigger mechanism; 10. a control terminal; 21. a first piston plate; 22. a second piston plate; 23. an electrode feeler lever; 24. an electrode contact base; 91. a first electrode rod; 92. a second electrode rod; 93. a carbon brush guide sleeve; 94. and (4) graphite conducting bars.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
An overheat alarm device for an outdoor low-voltage control cabinet as shown in fig. 1-5 comprises an alarm control box 1 and a control terminal 10, wherein an overheat temperature sensing mechanism 2 is fixedly installed at one side of the alarm control box 1, a heat conduction fin 3 is embedded and installed at one side of the overheat temperature sensing mechanism 2, a first piston plate 21 and a second piston plate 22 are slidably installed inside the overheat temperature sensing mechanism 2, a thermal expansion liquid is filled between the bottom surface of the second piston plate 22 and the bottom surface of the inner cavity of the overheat temperature sensing mechanism 2, an electrode touch rod 23 and an electrode touch seat 24 are respectively and fixedly installed at the inner sides of the first piston plate 21 and the second piston plate 22, the end parts of the electrode touch rod 23 and the electrode touch seat 24 are electrically connected with an induction trigger mechanism 9, a fine tuning screw rod 4 is connected with the top surface thread of the overheat temperature sensing mechanism 2, the bottom end of the fine tuning screw rod 4 penetrates through the interior of the overheat temperature sensing mechanism 2 to be in butt joint with, the inside fixed mounting of alarm control box 1 has controller 5, buzzer siren 7 and wireless signal output module 8, and the top surface fixed mounting of alarm control box 1 has the sudden strain of a muscle warning light 6, and the liquid of thermal expansion is metal mercury liquid, alcohol or kerosene material component, and the bottom surface fixed of second piston plate 22 is pasted and is sealed the pad, and the outside of sealed pad and the inner wall interference fit of overheated temperature sensing mechanism 2.
The implementation mode is specifically as follows: the mechanical temperature sensing is sensitive and stable, the temperature sensing is carried out by utilizing the thermal expansion liquid in the overheating temperature sensing mechanism 2, the piston is pushed to move by the thermal expansion of the liquid to trigger the sensing triggering mechanism 9 to be communicated to generate an electric signal, and the alarm prompt is carried out, so that the mechanical temperature sensing device is more sensitive and has high practicability compared with the traditional electronic sensor type temperature sensing device; additionally, the utility model discloses a set up many system alarm structure, utilize and explode sudden strain of a muscle warning light 6 and buzzer siren 7 and carry out near the acousto-optic warning suggestion maintenance operation personnel of switch board, or utilize radio signal output module 8 to pass through radio signal's mode output with high temperature alarm signal, carry out remote alarm, further improve the device's practicality.
The first piston plate 21 and the second piston plate 22 are arranged oppositely, a return spring is arranged between the first piston plate 21 and the second piston plate 22, and the return spring is in an original state, so that the second piston plate 22 is automatically reset.
The first piston plate 21 is an insulating material member, the overheat temperature sensing mechanism 2 and the second piston plate 22 are metal members, the electrode contact rod 23 and the electrode contact seat 24 are located on the same straight line, and the arrangement direction of the electrode contact rod 23 and the electrode contact seat 24 is the same as the movement direction of the second piston plate 22, so that the communication of a circuit path is realized.
Wherein, the input of the flashing warning light 6 and the buzzer alarm 7 is electrically connected with the output of the controller 5, the output of the wireless signal output module 8 is electrically connected with the input of the control terminal 10, and the wireless signal output module 8 is matched with the communication protocol of the control terminal 10, so that multi-mode alarm prompt and remote alarm are realized.
The induction trigger mechanism 9 includes a first electrode rod 91, a second electrode rod 92, a carbon brush guide sleeve 93 and a graphite guide strip 94, the carbon brush guide sleeve 93 is slidably sleeved on the outer side of the electrode contact rod 23, the graphite guide strip 94 is embedded in the inner wall of the overheat temperature sensing mechanism 2, the end portions of the first electrode rod 91 and the second electrode rod 92 are respectively electrically connected with two stages of input ends of the controller 5, a metal protrusion is arranged on the peripheral side of the second piston plate 22, the outer side of the metal protrusion is in sliding abutting connection with the inner side of the graphite guide strip 94, the outer side of the electrode contact rod 23 is in sliding abutting connection with the inner side of the carbon brush guide sleeve 93, insulating layers are sleeved on the outer sides of the first electrode rod 91 and the second electrode rod 92, the electrode contact rod 23 and the electrode contact seat 24 are metal copper components and are used for communicating.
The controller 5 is an F4NR-4MR PLC controller, and the wireless signal output module 8 is a LORA-WE 12D.
The utility model discloses the theory of operation:
the first step is as follows: the device is arranged in a control cabinet, the illumination of an explosion and flash prompting lamp 6 can be observed on the outer side of the control cabinet body, the sound prompt of a buzzer alarm 7 can be transmitted out through the control cabinet, and then the fine tuning screw rod 4 is rotated according to the alarm temperature to adjust and set the distance between the first piston plate 21 and the second piston plate 22, so that the electrode touch rod 23 and the electrode touch seat 24 are close to or far away from each other;
the second step is that: when the temperature in the control cabinet abnormally reaches the alarm temperature, the heat conduction fins 3 are heated to conduct the temperature to the interior of the overheating temperature sensing mechanism 2 to heat the heat expansion liquid, the second piston plate 22 is urged to move closer to the first piston plate 21 by the thermal expansion effect of the liquid, the electrode contact rod 23 is contacted with the electrode contact seat 24, the electrode passages of the first electrode rod 91 and the second electrode rod 92 are communicated, the induction trigger mechanism 9 is communicated to generate an electric signal, the sound-light alarm near the control cabinet is prompted to overhaul operators by the aid of the explosion and flash prompting lamp 6 and the buzzer alarm 7, or the wireless signal output module 8 is used for outputting the high-temperature alarm signal to the control terminal 10 in a wireless signal mode for remote alarm, when the temperature drops, the liquid expansion volume decreases to move the electrode contact rod 23 and the electrode contact seat 24 away from each other by the negative pressure and the action of the return spring.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an outdoor overheated alarm device with low-voltage control cabinet, includes alarm control box (1) and control terminal (10), its characterized in that: an overheating temperature sensing mechanism (2) is fixedly installed on one side of the alarm control box (1), a heat conduction fin (3) is installed on one side of the overheating temperature sensing mechanism (2) in an embedded mode, a first piston plate (21) and a second piston plate (22) are installed inside the overheating temperature sensing mechanism (2) in a sliding mode, heat expansion liquid is filled between the bottom surface of the second piston plate (22) and the bottom surface of an inner cavity of the overheating temperature sensing mechanism (2), an electrode touch rod (23) and an electrode touch seat (24) are fixedly installed on the inner sides of the first piston plate (21) and the second piston plate (22) respectively, the end portions of the electrode touch rod (23) and the electrode touch seat (24) are electrically connected with an induction trigger mechanism (9), a fine tuning screw rod (4) is connected to the top surface of the overheating temperature sensing mechanism (2) in a threaded mode, the bottom end of the fine tuning screw rod (4) penetrates through the inside of the overheating temperature sensing mechanism (2) and is in rotating abutting connection with one side of the, the inside fixed mounting of alarm control box (1) has controller (5), buzzer siren (7) and wireless signal output module (8), the top surface fixed mounting of alarm control box (1) has and explodes sudden strain of a muscle warning light (6).
2. The overheat alarm device for the outdoor low-voltage control cabinet as claimed in claim 1, wherein: the heat expansion liquid is a component made of metal mercury liquid, alcohol or kerosene, a sealing gasket is fixedly adhered to the bottom surface of the second piston plate (22), and the outer side of the sealing gasket is in interference fit with the inner wall of the overheating temperature sensing mechanism (2).
3. The overheat alarm device for the outdoor low-voltage control cabinet as claimed in claim 1, wherein: first piston plate (21) and second piston plate (22) are the mutual disposition, be equipped with reset spring between first piston plate (21) and second piston plate (22), reset spring is original state, first piston plate (21) are insulating material component, overheated temperature sensing mechanism (2) and second piston plate (22) are the metal material component.
4. The overheat alarm device for the outdoor low-voltage control cabinet as claimed in claim 1, wherein: the electrode contact rod (23) and the electrode contact seat (24) are located on the same straight line, and the arrangement direction of the electrode contact rod (23) and the electrode contact seat (24) is the same as the movement direction of the second piston plate (22).
5. The overheat alarm device for the outdoor low-voltage control cabinet as claimed in claim 1, wherein: the input of flashing warning light (6) and buzzer alarm (7) and the output electric connection of controller (5), the output of wireless signal output module (8) and the input signal connection of control terminal (10), the communication protocol looks adaptation of wireless signal output module (8) and control terminal (10).
6. The overheat alarm device for the outdoor low-voltage control cabinet as claimed in claim 1, wherein: the induction trigger mechanism (9) comprises a first electrode rod (91), a second electrode rod (92), a carbon brush guide sleeve (93) and a graphite guide strip (94), the carbon brush guide sleeve (93) is slidably sleeved on the outer side of the electrode contact rod (23), the graphite guide strip (94) is embedded in the inner wall of the overheat temperature sensing mechanism (2), the outer sides of the first electrode rod (91) and the second electrode rod (92) are sleeved with insulating layers, and the end parts of the first electrode rod (91) and the second electrode rod (92) are respectively electrically connected with two stages of input ends of the controller (5).
7. The overheat alarm device for the outdoor low-voltage control cabinet as claimed in claim 6, wherein: the week side of second piston board (22) is equipped with the metal arch, the inboard slip butt of the outside of metal arch and graphite conducting bar (94), the inboard slip butt of the outside of electrode feeler lever (23) and carbon brush guide pin bushing (93), electrode feeler lever (23) and electrode touch socket (24) are metal copper product component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021761254.2U CN212807358U (en) | 2020-08-21 | 2020-08-21 | Overheat alarm device of outdoor low-voltage control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021761254.2U CN212807358U (en) | 2020-08-21 | 2020-08-21 | Overheat alarm device of outdoor low-voltage control cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN212807358U true CN212807358U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021761254.2U Expired - Fee Related CN212807358U (en) | 2020-08-21 | 2020-08-21 | Overheat alarm device of outdoor low-voltage control cabinet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075434A (en) * | 2021-03-30 | 2021-07-06 | 陈鹏朝 | Illumination self-adjusting outdoor ammeter box |
| CN114046620A (en) * | 2021-11-29 | 2022-02-15 | 张晞明 | Air-cooled energy-saving industrial refrigerator |
| CN114949270A (en) * | 2022-06-02 | 2022-08-30 | 河北省胸科医院 | Medical fabric disinfecting equipment |
| CN115579817A (en) * | 2022-10-27 | 2023-01-06 | 镇江市亚东高压电器厂 | Temperature-sensing protection type bus duct structure and protection method thereof |
-
2020
- 2020-08-21 CN CN202021761254.2U patent/CN212807358U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075434A (en) * | 2021-03-30 | 2021-07-06 | 陈鹏朝 | Illumination self-adjusting outdoor ammeter box |
| CN114046620A (en) * | 2021-11-29 | 2022-02-15 | 张晞明 | Air-cooled energy-saving industrial refrigerator |
| CN114949270A (en) * | 2022-06-02 | 2022-08-30 | 河北省胸科医院 | Medical fabric disinfecting equipment |
| CN114949270B (en) * | 2022-06-02 | 2024-02-13 | 河北省胸科医院 | Medical fabric disinfection equipment |
| CN115579817A (en) * | 2022-10-27 | 2023-01-06 | 镇江市亚东高压电器厂 | Temperature-sensing protection type bus duct structure and protection method thereof |
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Granted publication date: 20210326 |