CN202886012U - Wireless temperature sensing system for switch cabinet equipment - Google Patents
Wireless temperature sensing system for switch cabinet equipment Download PDFInfo
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- CN202886012U CN202886012U CN 201220557476 CN201220557476U CN202886012U CN 202886012 U CN202886012 U CN 202886012U CN 201220557476 CN201220557476 CN 201220557476 CN 201220557476 U CN201220557476 U CN 201220557476U CN 202886012 U CN202886012 U CN 202886012U
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Abstract
The utility model provides a wireless temperature sensing system for switch cabinet equipment. The wireless temperature sensing system comprises a surface acoustic wave temperature sensor, a temperature signal transmitter and a temperature signal receiver, wherein the surface acoustic wave temperature sensor is used for detecting the temperature of the switch cabinet equipment and can change temperature information of the switch cabinet equipment into a temperature simulation signal; the temperature signal transmitter is arranged on the surface acoustic wave temperature sensor and is used for sending out the temperature simulation signal in an electromagnetic wave manner; and the temperature signal receiver is solely arranged and is used for receiving a temperature signal so as to change the temperature signal into a number signal. The temperature of the switch cabinet equipment (switch cabinet equipment) is detected through the temperature signal receiver, so that the temperature wireless detection is realized, the temperature detection efficiency is improved, and the danger cannot appear.
Description
Technical field
The utility model relates to the temperature monitoring technical field, more particularly, relates to a kind of wireless temperature sensing system for switch cubicle equipment.
Background technology
Along with the raising of Chinese industrial production automation level, power equipment repairing after the fault progressively be transitioned into preventative maintenance become send out, for, the electricity consumption industry is paid close attention to and the focus of research.The visual plants such as the high-tension switch cabinet of generating plant, transformer station, busbar joint, indoor and outdoor chopper switch, in During Process of Long-term Operation, it is loosening because expanding with heat and contract with cold surface oxidation burn into fastening bolt to occur, the problems such as contact and bus bar junction are aging, cause contact resistance to increase, and along with the develop rapidly of national economy, it is increasing to load, these cause very easily that all to possess the equipment temperature rise too high, as can not get timely solution the insulating element performance will be reduced, even cause puncturing, cause serious accident, thereby cause heavy economic losses.In recent years, in power plant and transformer station a lot of switch overheat accidents have occured, caused fire and large area blackout, solving switch overheated is to stop the key that this type of accident occurs, and realizes that on-line temperature monitoring is the important means that guarantees high-tension apparatus safety.
At present, generally use the temperature of infrared temperature-test technology detector switch cabinet equipment abroad.But because the core technology of infrared temperature-test technology is controlled in some external enterprise's hands all the time, cause domestic infrared temperature-test technology cost expensive, and distribution environment both domestic and external is different, external product also is difficult to be adapted to Domestic Environment, it is too high to be mainly manifested in the product power consumption, and volume is bigger than normal etc.Perhaps pass through the temperature of electronic type contact thermography technology for detection switch cubicle equipment.But, the thermometric modes such as conventional thermopair, thermal resistance, semiconductor temperature sensor, equipment is close to contact surface and measures temperature, the change of the electrical specification that causes easily getting an electric shock, and insulating property can not guarantee to cause easily the generation of various accidents under hyperbaric environment.Also or the temperature by Fiber Optic Pyrometer detector switch cabinet equipment.But optical fiber has easy to break, and easily broken, non-refractory easily makes insulativity reduce behind the accumulation dust, and the wiring difficulty is larger in cabinet, and cost is high.
And the switch cubicle equipment running status of most domestic adopts the manual patrol record, opens the cabinet door owing to can not operate a switch, and can only judge by sense organ the temperature conditions of device junction in the cabinet, not only wastes time and energy, and occurs easily dangerous.
So provide low, the safe and reliable wireless temperature sensing system for switch cubicle equipment of a kind of cost extremely urgent.
The utility model content
In view of this, the utility model provides a kind of wireless temperature sensing system for switch cubicle equipment, and the temperature detection of existing switch cubicle equipment wastes time and energy or poor stability or cost height or and the easy problem that danger occurs to solve now.
For achieving the above object, the utility model embodiment provides following technical scheme:
A kind of wireless temperature sensing system for switch cubicle equipment comprises:
SAW Temperature Sensors, described SAW Temperature Sensors be for detection of the temperature of switch cubicle equipment, and the temperature information of switch cubicle equipment is converted to temperature analog signal;
The temperature signal transmitter, described temperature signal transmitter is arranged on the described SAW Temperature Sensors, is used for described temperature analog signal is launched in electromagnetic mode;
The temperature signal receiver, described temperature signal receiver arranges separately, is used for receiving temperature signal, and described temperature signal is converted to digital signal.
Preferably, described SAW Temperature Sensors comprises:
Pedestal, described pedestal is provided with the pressure conduction through hole;
Top cover, described top seal are arranged on the described pedestal;
Fluid diaphragm, described fluid diaphragm sealing is arranged on the described base-plates surface, covers described pressure conduction through hole, and forms annular seal space between described pedestal, fluid diaphragm and the top cover;
Substrate, described substrate correspondence the pressure conduction through hole and is arranged on the described fluid diaphragm;
Surface acoustic wave temperature sensing resonator, surface acoustic wave (SAW) pressure sensing resonator and surface acoustic wave benchmark sensing resonator, described surface acoustic wave temperature sensing resonator, surface acoustic wave (SAW) pressure sensing resonator and surface acoustic wave benchmark sensing resonator scattering device are on described substrate surface, and described surface acoustic wave (SAW) pressure sensing resonator arranges over against described pressure conduction through hole.
Preferably, described substrate is spindle shape substrate.
Preferably, described temperature signal transmitter comprises:
Emitting antenna, described emitting antenna one end are arranged on the surface that described substrate is positioned at annular seal space, and the other end of described emitting antenna is positioned at outside the described annular seal space.
Preferably, described emitting antenna is the endless metal antenna.
Preferably, described temperature signal receiver comprises:
Receiving antenna, described receiving antenna is used for receiving described temperature analog signal;
Modulator-demodular unit, described modulator-demodular unit is connected with described receiving antenna, and described temperature analog signal is converted to digital signal.
Preferably, described receiving antenna is the endless metal antenna.
Based on technique scheme, wireless temperature sensing system provided by the utility model, temperature by SAW Temperature Sensors detector switch cabinet equipment, and the temperature information of switch cubicle equipment is converted to temperature analog signal, by the temperature signal transmitter described temperature analog signal is launched in electromagnetic mode, receive temperature signal by the temperature signal receiver, and described temperature signal is converted to digital number.But then pass through the just temperature of detector switch cabinet equipment (switch cubicle equipment) of temperature signal receiver, can realize the radio detection of temperature, improve temperature detection efficient, and danger can not occur.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of wireless temperature sensing system synoptic diagram for switch cubicle equipment that Fig. 1 provides for the utility model embodiment;
A kind of SAW Temperature Sensors synoptic diagram that Fig. 2 provides for the utility model embodiment;
A kind of temperature signal transmitter synoptic diagram and SAW Temperature Sensors sectional view that Fig. 3 provides for the utility model embodiment;
A kind of temperature signal receiver synoptic diagram that Fig. 4 provides for the utility model embodiment.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Just as stated in the Background Art, external detection technique to switch cabinet equipment temperature is not suitable for domestic at present, and most domestic switch cubicle equipment running status adopts the manual patrol record, open the cabinet door owing to can not operate a switch, can only judge by sense organ the temperature conditions of device junction in the cabinet, not only waste time and energy, and occur easily dangerous.
Utility model is found after deliberation, can utilize surface acoustic wave techniques and Radio Transmission Technology to realize being used for the wireless temperature sensing system of switch cubicle equipment.
Based on this, the utility model provides a kind of wireless temperature sensing system for switch cubicle equipment, comprising:
SAW Temperature Sensors, described SAW Temperature Sensors be for detection of the temperature of switch cubicle equipment, and the temperature information of switch cubicle equipment is converted to temperature analog signal;
The temperature signal transmitter, described temperature signal transmitter is arranged on the described SAW Temperature Sensors, is used for described temperature analog signal is launched in electromagnetic mode;
The temperature signal receiver, described temperature signal receiver arranges separately, is used for receiving temperature signal, and described temperature signal is converted to digital number.
Because the temperature by SAW Temperature Sensors detector switch cabinet equipment, and the temperature information of switch cubicle equipment is converted to temperature analog signal, by the temperature signal transmitter described temperature analog signal is launched in electromagnetic mode, receive temperature signal by the temperature signal receiver, and described temperature signal is converted to digital number.But then pass through the just temperature of detector switch cabinet equipment (switch cubicle equipment) of temperature signal receiver, can realize the radio detection of temperature, improve temperature detection efficient, and danger can not occur.
It more than is the application's core concept, below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization in the situation of the utility model intension, so the utility model is not subjected to the restriction of following public specific embodiment.
The embodiment of the present application discloses a kind of wireless temperature sensing system for switch cubicle equipment, as shown in Figure 1, comprising:
As shown in Figure 2, described SAW Temperature Sensors 1 specifically comprises:
Surface acoustic wave temperature sensing resonator 15, surface acoustic wave (SAW) pressure sensing resonator 16 and surface acoustic wave benchmark sensing resonator 17, described surface acoustic wave temperature sensing resonator 15, surface acoustic wave (SAW) pressure sensing resonator 16 and surface acoustic wave benchmark sensing resonator 17 scattering devices are on described substrate 14 surfaces, and described surface acoustic wave (SAW) pressure sensing resonator 16 arranges over against described pressure conduction through hole.
Wherein, the extraneous temperature variation of described fluid diaphragm 13 impressions, produce surface acoustic wave, described surface acoustic wave is converted to temperature analog signal through substrate 14 through surface acoustic wave temperature sensing resonator 15, surface acoustic wave (SAW) pressure sensing resonator 16 and surface acoustic wave benchmark sensing resonator 17.
Temperature signal transmitter 3, described temperature signal transmitter 3 are arranged on the described SAW Temperature Sensors 1, are used for described temperature analog signal is launched in electromagnetic mode.When practical application, described temperature signal transmitter 3 extends to described switch cubicle equipment 2 outsides.
As shown in Figure 3, described temperature signal transmitter 3 concrete comprising:
Emitting antenna 31, described emitting antenna 31 1 ends (pin of antenna) are arranged on described substrate 14 and are positioned on the surface of annular seal space, and the other end of described emitting antenna 31 (signal emission part) is positioned at outside the described annular seal space.Described emitting antenna 31 is preferably endless metal antenna (as shown in Figure 3) or net metal antenna.And in Fig. 3, described antenna 31 belows of penetrating are the sectional view of SAW Temperature Sensors 1.
As shown in Figure 4, described temperature signal receiver 4 specifically comprises:
Receiving antenna 41, described receiving antenna 41 is used for receiving described temperature analog signal, and described receiving antenna 41 is preferably endless metal antenna (as shown in Figure 4) or net metal antenna;
Modulator-demodular unit 42, described modulator-demodular unit is connected with described receiving antenna 41, and described temperature analog signal is converted to digital signal.
Because the temperature by SAW Temperature Sensors 1 detector switch cabinet equipment 2, and the temperature information of switch cubicle equipment is converted to temperature analog signal, by temperature signal transmitter 3 described temperature analog signal is launched in electromagnetic mode, receive temperature signal by temperature signal receiver 4, and described temperature signal is converted to digital number.Then analyze by the digital signal that temperature signal receiver 4 is produced, but the just temperature of detector switch cabinet equipment (switch cubicle equipment) can realize improving the radio detection of temperature temperature detection efficient, and danger can not occur.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a wireless temperature sensing system that is used for switch cubicle equipment is characterized in that, comprising:
SAW Temperature Sensors, described SAW Temperature Sensors be for detection of the temperature of switch cubicle equipment, and the temperature information of switch cubicle equipment is converted to temperature analog signal;
The temperature signal transmitter, described temperature signal transmitter is arranged on the described SAW Temperature Sensors, is used for described temperature analog signal is launched in electromagnetic mode;
The temperature signal receiver, described temperature signal receiver arranges separately, is used for receiving temperature signal, and described temperature signal is converted to digital signal.
2. described wireless temperature sensing system according to claim 1 is characterized in that described SAW Temperature Sensors comprises:
Pedestal, described pedestal is provided with the pressure conduction through hole;
Top cover, described top seal are arranged on the described pedestal;
Fluid diaphragm, described fluid diaphragm sealing is arranged on the described base-plates surface, covers described pressure conduction through hole, and forms annular seal space between described pedestal, fluid diaphragm and the top cover;
Substrate, described substrate correspondence the pressure conduction through hole and is arranged on the described fluid diaphragm;
Surface acoustic wave temperature sensing resonator, surface acoustic wave (SAW) pressure sensing resonator and surface acoustic wave benchmark sensing resonator, described surface acoustic wave temperature sensing resonator, surface acoustic wave (SAW) pressure sensing resonator and surface acoustic wave benchmark sensing resonator scattering device are on described substrate surface, and described surface acoustic wave (SAW) pressure sensing resonator arranges over against described pressure conduction through hole.
3. described wireless temperature sensing system according to claim 2 is characterized in that described substrate is spindle shape substrate.
4. described wireless temperature sensing system according to claim 2 is characterized in that described temperature signal transmitter comprises:
Emitting antenna, described emitting antenna one end are arranged on the surface that described substrate is positioned at annular seal space, and the other end of described emitting antenna is positioned at outside the described annular seal space.
5. described wireless temperature sensing system according to claim 4 is characterized in that described emitting antenna is the endless metal antenna.
6. described wireless temperature sensing system according to claim 2 is characterized in that described temperature signal receiver comprises:
Receiving antenna, described receiving antenna is used for receiving described temperature analog signal;
Modulator-demodular unit, described modulator-demodular unit is connected with described receiving antenna, and described temperature analog signal is converted to digital signal.
7. described wireless temperature sensing system according to claim 6 is characterized in that described receiving antenna is the endless metal antenna.
Priority Applications (1)
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CN 201220557476 CN202886012U (en) | 2012-10-26 | 2012-10-26 | Wireless temperature sensing system for switch cabinet equipment |
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CN 201220557476 CN202886012U (en) | 2012-10-26 | 2012-10-26 | Wireless temperature sensing system for switch cabinet equipment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102879126A (en) * | 2012-10-26 | 2013-01-16 | 奉化市供电局 | Wireless temperature sensing system for switch cabinet equipment |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN102879126A (en) * | 2012-10-26 | 2013-01-16 | 奉化市供电局 | Wireless temperature sensing system for switch cabinet equipment |
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Granted publication date: 20130417 Termination date: 20201026 |