CN202836817U - Wireless temperature measurement device for switch moving contact - Google Patents
Wireless temperature measurement device for switch moving contact Download PDFInfo
- Publication number
- CN202836817U CN202836817U CN 201220563418 CN201220563418U CN202836817U CN 202836817 U CN202836817 U CN 202836817U CN 201220563418 CN201220563418 CN 201220563418 CN 201220563418 U CN201220563418 U CN 201220563418U CN 202836817 U CN202836817 U CN 202836817U
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- wireless
- temperature
- movable contact
- switch
- temperature sensor
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Abstract
The utility model discloses a wireless temperature measurement device for a switch moving contact. The wireless temperature measurement device comprises a wireless temperature sensor and a wireless temperature sensor fixing assembly, wherein the wireless temperature sensor comprises a temperature sensing element and a main control module; the temperature sensing element is fixed to the switch moving contact through the wireless temperature sensor fixing assembly and connected with the main control module; and the main control module is fixed to a cross arm of the switch moving contact and wirelessly connected with a wireless data acquisition unit arranged outside a switch cabinet. According to the wireless temperature measurement device, the split wireless temperature sensor is adopted, and the temperature sensing element with a small volume is conveniently mounted on the switch moving contact of the switch cabinet, so that the temperature measurement accuracy is guaranteed, the influence on wireless signal transmission when the contact is closed is reduced, and the long-time running life of a circuit module is prolonged as the circuit module is properly far away from a heating part; and a mounting assembly comprising double springs is not only low in cost but also can flexibly adapt to the sizes of various contacts and is almost fused with the switch contact after being mounted.
Description
Technical field
The utility model relates to a kind of switch contact contact temperature on-Line Monitor Device, specifically a kind of switch movable contact wireless temperature measuring device of power switch cabinet.
Background technology
Industrial enterprise's production task is heavy, and electric load is large, is in for a long time the running overload state for production provides the allocation transformer equipment of power supply; The contact of power switchgear can be constantly aging, and contact resistance increases, and at the out-of-date generation fever phenomenon of load current flow, causes catching fire, the major accident such as blast economic loss when serious.Therefore, need to carry out Real-Time Monitoring to the contact temperature of power switchgear.
Because the most closed operation of power switch cabinet, manually can't monitor its internal operation temperature, using Internet of Things correlative study achievement " wireless temperature sensing technology " then is a kind of feasible method that solves this respect problem, radio temperature sensor namely is installed near switch contact, the Real-time Collection contact temperature, and utilize the strong high-frequency wireless signals of penetration capacity that data transmission is arrived the external receiving trap of enclosures, realize uninterrupted monitoring in 24 hours.
At present, more common way is that radio temperature sensor is installed on the switch static contact, the advantage of this method is that the operating space is larger, volume restrictions to sensor is less, but, owing to when fitting operation, need to have a power failure to the relevant whole transmission lines of electricity of busbar that switch cubicle connects, normal production is caused the large tracts of land impact, especially for indivedual busy circuits, can't implement smoothly owing to can't have a power failure even cause probe to install.
The utility model content
For above-mentioned deficiency, the utility model provides a kind of switch movable contact wireless temperature measuring device, and it can understand the temperature rise of switch contact contact in real time, so that temperature rise is transfinited and alarm, ensures the safe operation of electric system.
The technical scheme in the invention for solving the technical problem is: a kind of switch movable contact wireless temperature measuring device, comprise radio temperature sensor and radio temperature sensor fixation kit, it is characterized in that, described radio temperature sensor comprises temperature sensitive member and main control module, described temperature sensitive member is fixed on the switch movable contact and with main control module by the radio temperature sensor fixation kit and is connected, and described main control module is fixed on the switch movable contact transverse arm and by wireless mode and is connected with the Wireless data acquisition unit that is arranged on the switch cubicle outside.
Preferably, described temperature sensitive member is connected with main control module by high temperature resistant wire.
Preferably, the length of described high temperature resistant wire is 100 ~ 200mm.
Preferably, described temperature sensitive member adopts the Pt100 thermistor.
Preferably, described radio temperature sensor fixation kit comprises support spring and fixing spring, and described support spring is in order to the support temperature sensing element, and two ends are connected with the fixing spring two ends, supports for temperature sensitive member and fixing spring provide to install; Described fixing spring is fastened on the moving contact in order to the support spring with the support temperature sensing element.
Preferably, described support spring adopts the powerful torsion spring of external diameter 6mm, wire diameter 1mm.
Preferably, described fixing spring adopts the extension spring of external diameter 5mm, wire diameter 0.6mm.
Preferably, described main control module comprises microprocessor, temperature collection circuit and wireless transceiver circuit, described microprocessor is connected with wireless transceiver circuit with temperature collection circuit respectively, described temperature collection circuit is connected with temperature sensitive member, and described wireless transceiver circuit is connected with the Wireless data acquisition unit that is arranged on the switch cubicle outside by wireless mode and carries out Wireless Data Transmission.
The beneficial effects of the utility model are: the utility model adopts the separated wireless temperature sensor, the temperature sensitive member that volume is small and exquisite is installed on the switch movable contact of switch cubicle easily, not only guaranteed to measure temperature accurately, but also when having reduced contact closure on the impact of transmission of wireless signals, and owing to suitably improved the life-span of circuit module long-time running away from heating position; By the installation component that dual spring consists of, not only with low cost, and contact that can flexible adaptation plurality of specifications size, after installing and switch contact almost combine together.The utility model when mounted only need to be to the line outage of single switch cabinet, simple to operate, can arrange at any time the project implementation and later stage product maintenance work, overcome the radio temperature sensor static contact problem that needs large-area power-cuts has been installed, the production order that has guaranteed industrial and mining enterprises is unaffected, be conducive to applying smoothly of product, finally provide powerful guarantee for safety in production.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 structural representation of the present utility model.
Among the figure, 1 temperature sensitive member, 2 main control modules, 3 switch movable contacts, 4 switch movable contact transverse arms, 5 high temperature resistant wires, 6 support springs, 7 fixing springs.
Embodiment
As shown in Figure 1, a kind of switch movable contact wireless temperature measuring device of the present utility model, comprise separated wireless temperature sensor and radio temperature sensor fixation kit, described separated wireless temperature sensor comprises temperature sensitive member 1 and main control module 2, described temperature sensitive member 1 is fixed on the switch movable contact 3 and by high temperature resistant wire 5 by the radio temperature sensor fixation kit and is connected with main control module 2, described main control module 2 is fixed on the switch movable contact transverse arm 4 and suitably away from heating position, and is connected with the Wireless data acquisition unit that is arranged on the switch cubicle outside by wireless mode.Described radio temperature sensor fixation kit comprises support spring 6 and fixing spring 7, and described support spring 6 is in order to support temperature sensing element 1, and two ends are connected with fixing spring 7 two ends, supports for temperature sensitive member and fixing spring provide to install; Described fixing spring 7 is fastened on the moving contact in order to the support spring 6 with the support temperature sensing element.Described main control module 2 comprises microprocessor, temperature collection circuit and wireless transceiver circuit, described microprocessor is connected with wireless transceiver circuit with temperature collection circuit respectively, described temperature collection circuit is connected with temperature sensitive member 1, and described wireless transceiver circuit is connected with the Wireless data acquisition unit that is arranged on the switch cubicle outside by wireless mode and carries out Wireless Data Transmission.Wherein, the length of described high temperature resistant wire is 100 ~ 200mm; Described temperature sensitive member adopts the Pt100 thermistor; Described support spring adopts the powerful torsion spring of external diameter 6mm, wire diameter 1mm; Described fixing spring adopts the extension spring of external diameter 5mm, wire diameter 0.6mm.
During installation, the main control module 2 of described radio temperature sensor is installed on the switch movable contact transverse arm 3, and suitably away from heating position, favourable wireless signal is externally launched; When installing, described temperature sensitive member 1 at first inserts support spring 6 inside, fixing spring 7 is looped around the periphery of moving contact, and ride over the two ends of support spring 6, temperature sensitive member 1, support spring 6 and fixing spring 7 these threes and switch movable contact are sticked together securely, both guarantee the rapid and accurate of temperature sense, do not affected again the folding operation of moving contact.
The utility model has adopted the separated wireless temperature sensor, the small and exquisite temperature sensitive member of volume can be installed on the switch movable contact easily, not only guaranteed to measure temperature accurately, but also when having reduced contact closure on the impact of transmission of wireless signals, and owing to suitably improved the life-span of circuit module long-time running away from heating position; By the installation component that dual spring consists of, not only with low cost, and contact that can flexible adaptation plurality of specifications size, after installing and switch contact almost combine together.
Claims (8)
1. switch movable contact wireless temperature measuring device, comprise radio temperature sensor and radio temperature sensor fixation kit, it is characterized in that, described radio temperature sensor comprises temperature sensitive member and main control module, described temperature sensitive member is fixed on the switch movable contact and with main control module by the radio temperature sensor fixation kit and is connected, and described main control module is fixed on the switch movable contact transverse arm and by wireless mode and is connected with the Wireless data acquisition unit that is arranged on the switch cubicle outside.
2. switch movable contact wireless temperature measuring device according to claim 1 is characterized in that, described temperature sensitive member is connected with main control module by high temperature resistant wire.
3. switch movable contact wireless temperature measuring device according to claim 2 is characterized in that, the length of described high temperature resistant wire is 100 ~ 200mm.
4. switch movable contact wireless temperature measuring device according to claim 1 is characterized in that, described temperature sensitive member adopts the Pt100 thermistor.
5. switch movable contact wireless temperature measuring device according to claim 1, it is characterized in that, described radio temperature sensor fixation kit comprises support spring and fixing spring, described support spring is in order to the support temperature sensing element, two ends are connected with the fixing spring two ends, support for temperature sensitive member and fixing spring provide to install; Described fixing spring is fastened on the moving contact in order to the support spring with the support temperature sensing element.
6. switch movable contact wireless temperature measuring device according to claim 5 is characterized in that, described support spring adopts the powerful torsion spring of external diameter 6mm, wire diameter 1mm.
7. switch movable contact wireless temperature measuring device according to claim 5 is characterized in that, described fixing spring adopts the extension spring of external diameter 5mm, wire diameter 0.6mm.
8. switch movable contact wireless temperature measuring device according to claim 1, it is characterized in that, described main control module comprises microprocessor, temperature collection circuit and wireless transceiver circuit, described microprocessor is connected with wireless transceiver circuit with temperature collection circuit respectively, described temperature collection circuit is connected with temperature sensitive member, and described wireless transceiver circuit is connected with the Wireless data acquisition unit that is arranged on the switch cubicle outside by wireless mode and carries out Wireless Data Transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220563418 CN202836817U (en) | 2012-10-30 | 2012-10-30 | Wireless temperature measurement device for switch moving contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220563418 CN202836817U (en) | 2012-10-30 | 2012-10-30 | Wireless temperature measurement device for switch moving contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202836817U true CN202836817U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220563418 Expired - Fee Related CN202836817U (en) | 2012-10-30 | 2012-10-30 | Wireless temperature measurement device for switch moving contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202836817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657897A (en) * | 2019-11-18 | 2020-01-07 | 衡阳凯新特种材料科技有限公司 | Silicon nitride thermocouple protection tube |
| CN117665400A (en) * | 2023-12-05 | 2024-03-08 | 安徽农业大学 | Switch contact resistance online detection system and method based on temperature detection |
-
2012
- 2012-10-30 CN CN 201220563418 patent/CN202836817U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657897A (en) * | 2019-11-18 | 2020-01-07 | 衡阳凯新特种材料科技有限公司 | Silicon nitride thermocouple protection tube |
| CN117665400A (en) * | 2023-12-05 | 2024-03-08 | 安徽农业大学 | Switch contact resistance online detection system and method based on temperature detection |
| CN117665400B (en) * | 2023-12-05 | 2024-05-24 | 安徽农业大学 | Switch contact resistance online detection system and method based on temperature detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20131030 |