CN103364100A - Contact box with built-in over-temperature protection device - Google Patents
Contact box with built-in over-temperature protection device Download PDFInfo
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- CN103364100A CN103364100A CN2013103149441A CN201310314944A CN103364100A CN 103364100 A CN103364100 A CN 103364100A CN 2013103149441 A CN2013103149441 A CN 2013103149441A CN 201310314944 A CN201310314944 A CN 201310314944A CN 103364100 A CN103364100 A CN 103364100A
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- 238000001514 detection method Methods 0.000 claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000013021 overheating Methods 0.000 claims description 28
- 230000003068 static effect Effects 0.000 claims description 27
- 230000006698 induction Effects 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 11
- 230000001939 inductive effect Effects 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 9
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- 230000003750 conditioning effect Effects 0.000 claims description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The invention discloses a contact box with a built-in over-temperature protection device. The contact box comprises a contact box body; a busbar installation hole, a busbar fixing hole and a fixed contact base fixing hole are formed in the contact box body; a copper gasket is connected to the inner wall of the contact box body; a temperature detecting circuit board on which a temperature sensor is arranged is connected to the copper gasket; a temperature collecting and transmitting device is arranged in the busbar installation hole and comprises a housing, a sensing power module and a temperature collecting and transmitting circuit board, wherein the sensing power module and the temperature collecting and transmitting circuit board are arranged in the housing; a cover is connected to the housing in a clamping manner; a temperature collecting and transmitting circuit is arranged on the temperature collecting and transmitting circuit board and is connected with the temperature sensor; and the temperature collecting and transmitting circuit is in wireless connection and communication with an over-temperature protection host computer through a second wireless receiving and transmitting module. The contact box is novel and reasonable in design, can directly determine whether a fixed contact is at over-temperature, has high temperature detection accuracy, high practicability and good usage effect, and is convenient for popularization and use.
Description
Technical field
The present invention relates to a kind of contact box, especially relate to a kind of contact box of embedded overtemperature protection system.Background technology
Background technology
Contact box is insulating element commonly used in 6KV～35KV high-tension switch cabinet, is installed in wherein dynamic and static contact in the work owing to the reasons such as cooperations very easily produce distortion or loose contact, causes the contact site temperature to raise, and for a long time overheatedly will cause major accident.So in the high-tension switch cabinet temperature that can monitor at any time dynamic and static contact in the contact box in service, be very necessary.Also occur some in the prior art and can monitor the contact box of dynamic and static contact temperature in the contact box, but have following defective and deficiency: the temperature-sensitive unit that 1) has is to bundle temperature-sensitive at dynamic/static contact, temperature-sensitive unit contact contact surface can only approximate measure, and installs inconvenient; What 2) have measures temperature near the busbar fixed orifice, depart from static contact, and measuring temperature parameter is not the temperature parameter of heat generating spot, also is approximate measure; For example application number is 201210095000.5 the disclosed intelligent temperature of Chinese patent, humidity, electric current on-line real time monitoring contact box; 3) utilize far measurement temperature, because the impact of box body interior reflective surface, the temperature parameter of measurement is the measurement temperature on surface also, is not actual temperature; 4) because the temperature of contact is higher, thus when using the packed battery thermometric, shorter battery life or blast that very possible generation causes owing to excess Temperature, and need the replacing battery, very inconvenient; 5) application number is the structure of 200510126612.6 the disclosed high voltage temperature on-line monitoring optronic switching contact box of Chinese patent, and technique is complicated; Safeguard inconvenient; Change the contact box part-structure, cause insulativity to be under some influence; Connect by line between contact box and the main frame, destroy one-piece construction in the cabinet; 6) application number is 200620028532.7 the disclosed contact box with temperature measuring equipment of Chinese patent, and it is large that the contact box overall dimensions becomes, insulating property have certain change; Can only the approximate measure temperature, can't Measurement accuracy; Infrared measurement of temperature, deviation is larger.7) application number is 200710008553.1 the direct-connected contact box structure of the disclosed high-voltage on-line temperature monitoring of photo-electric conversion embedded optical fiber of Chinese patent, and technique is complicated; Safeguard inconvenient; Change the contact box part-structure, cause insulativity to be under some influence; Connect by line between contact box and the main frame, destroy one-piece construction in the cabinet; The impacts such as that optical fiber is exposed to is contaminated in the air, electro-conductive dust, humidity can produce high voltage and cause the accident along the optical fiber surface flashover.8) application number is the structure of 201020603131.6 the disclosed a kind of high-voltage on-line temperature monitoring wireless transmit contact box of Chinese patent, has changed the contact box part-structure, causes insulativity to be under some influence; 9) application number is 201120297484.2 the disclosed a kind of contact box with temperature detecting function of Chinese patent, and temperature sensor needs externally fed, and the High-Voltage Insulation problem is arranged, and has high voltage to scurry into low voltage control system and communication system hidden danger; 10) application number is that 201120533754.5 Chinese patent discloses a kind of contact of breaker box, and technique is complicated; Temperature measuring equipment is enclosed in the contact box admittedly, contact box insulativity variation; Real time temperature can't be observed and can't carry out overheated maintenance.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned deficiency of the prior art; a kind of contact box of embedded overtemperature protection system is provided; it is simple in structure; rationally novel in design, it is convenient to realize, can judge directly whether busbar is overheated; the temperature detection degree of accuracy is high; practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of contact box of embedded overtemperature protection system, comprise the contact box box body, the one side upper end of described contact box box body is provided with the busbar mounting hole, side near the busbar mounting hole in the described contact box box body is provided with busbar fixed orifice and fixed contact pedestal fixed orifice, it is characterized in that: be fixedly connected with the copper backing that is positioned at described busbar mounting hole below side on the inwall of described contact box box body, described copper backing is connected with described busbar fixed orifice, be fixedly connected with temperature detection circuit board on the described copper backing, be provided with the temperature sensor that detects in real time for the temperature to static contact on the described temperature detection circuit board, be provided with temperature acquisition and transmitting device in the described busbar mounting hole, described temperature acquisition and transmitting device comprise housing and are arranged on by the induction power supply module in the housing and temperature acquisition and transmission circuit plate, engagement connection has cap on the described housing, described temperature detection circuit board embeds and is installed on the described cap, be provided with temperature acquisition and transmission circuit on described temperature acquisition and the transmission circuit plate, described temperature sensor joins with described temperature acquisition and transmission circuit; Described temperature acquisition and transmission circuit are also communicated by letter by the overheating protection main frame wireless connections outer with being arranged on the contact box box body of the second radio receiving transmitting module.
The contact box of above-mentioned embedded overtemperature protection system, it is characterized in that: described housing is by shell body and be sleeved in the shell body and consist of with inner housing that shell body consists of the rectangular box shape, and described induction power supply module and temperature acquisition and transmission circuit plate all are arranged in the space that is surrounded by shell body and inner housing; Be filled with casting glue in the space between described induction power supply module, temperature acquisition and transmission circuit plate, shell body and the inner housing; Described induction power supply module comprises and is set with coil fixing support around the siliconized plate that is arranged between described shell body and the inner housing on the described siliconized plate, is wound with inductive coil on the described coil fixing support.
The contact box of above-mentioned embedded overtemperature protection system, it is characterized in that: described temperature acquisition and transmission circuit comprise the first microprocessor module, the first radio receiving transmitting module that joins with the first microprocessor module and the voltage transitions that is used for inductive coil output are the current rectifying and wave filtering circuit module of temperature acquisition and each electricity consumption module required voltage of transmission circuit, described current rectifying and wave filtering circuit module and inductive coil join, the input end of described first microprocessor module is connected to the signal conditioning circuit module, described signal conditioning circuit module is by the amplifying circuit module of joining successively, filter circuit module and A/D change-over circuit module composition, described temperature sensor and described amplifying circuit module are joined; Described the first radio receiving transmitting module is exposed at outward on the outer wall of described shell body.
The contact box of above-mentioned embedded overtemperature protection system is characterized in that: be connected to external power interface on the described current rectifying and wave filtering circuit module, described external power interface is exposed at outward on the outer wall of described shell body.
The contact box of above-mentioned embedded overtemperature protection system is characterized in that: described first microprocessor module is single-chip microcomputer.
The contact box of above-mentioned embedded overtemperature protection system; it is characterized in that: described the first radio receiving transmitting module is comprised of the first infrared transmitting tube and the first infrared receiving tube, and described the second radio receiving transmitting module is by forming with the second infrared receiving tube of the first infrared transmitting tube wireless connections with the second infrared transmitting tube of the first infrared receiving tube wireless connections.
The contact box of above-mentioned embedded overtemperature protection system, it is characterized in that: described overheating protection main frame comprises the overheating protection host shell and is arranged on overheating protection host shell inherent overheating protection circuit, described overheating protection circuit comprises the second microprocessor module and the RS-485 bus communication module of joining with the second microprocessor module, the input end of described the second microprocessor module is connected to the key circuit module, and the output terminal of described the second microprocessor module is connected to the liquid crystal display circuit module, be used for the relay of output alarm signal and the hummer of the alerting signal that is used for sounding; Described key circuit module and liquid crystal display circuit module be outer being exposed on the outer wall of described overheating protection host shell all.
The contact box of above-mentioned embedded overtemperature protection system is characterized in that: described the second microprocessor module is single-chip microcomputer.
The contact box of above-mentioned embedded overtemperature protection system; it is characterized in that: be provided with interior cluster parachute on the side inwall away from the busbar mounting hole in the described contact box box body; described contact box box body has a contact box mount pad away from a side of busbar mounting hole is outside one-body molded; be provided with a plurality of contact boxs on the described contact box mount pad and install and fix the hole, the contact box box body between described busbar fixed orifice and contact box mount pad is provided with outer cluster parachute.
The contact box of above-mentioned embedded overtemperature protection system; it is characterized in that: be provided with the first threaded hole on the described copper backing; be provided with the second threaded hole that matches with the first threaded hole on the described temperature detection circuit board; described temperature detection circuit board is threaded connection at described the first threaded hole and is fixedly connected with described copper backing with bolt in the second threaded hole, and described copper backing all is fixedly connected with by the inwall of casting glue with described contact box box body with temperature detection circuit board.
The present invention compared with prior art has the following advantages:
1, the present invention is simple in structure, and is rationally novel in design, and it is convenient to realize.
2, the present invention is easy for installation, when contact box is installed the overtemperature protection system successful installation that is consisted of by temperature detection circuit board and temperature acquisition and transmitting device, and, safeguard with maintenance very convenient.
3, the present invention is each electricity consumption module for power supply in temperature acquisition and the transmitting device by the induction power supply module, it is contactless power supply mode, the busbar energising gets final product work, and when the electric current by busbar be that 10A is when above, temperature acquisition and transmitting device just can work, the danger that the needs that existed when having avoided using powered battery are changed battery, inconvenience and blasted easily.
4, the present invention is connected with the busbar fixed orifice owing to copper backing; and temperature sensor mounted temperature detection circuit board is installed on the copper backing; the static contact adstante febre; heat just can be directly passed to copper backing by fixed contact pedestal and busbar; therefore; temperature sensor can be directly detects in real time to the temperature of static contact, and the temperature detection degree of accuracy is high, can realize effective overheating protection.
5, the present invention does not change the original structure of contact box, therefore can the insulating property of contact box not impacted, and can effectively guarantee Electrical Safety.
6, of the present invention practical, result of use is good, is convenient to promote the use of.
In sum, the present invention is simple in structure, and is rationally novel in design, and it is convenient to realize, can judge directly whether static contact is overheated, and the temperature detection degree of accuracy is high, and practical, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1 except the second radio receiving transmitting module and overheating protection main frame.
Fig. 3 is the vertical view of Fig. 1 except the second radio receiving transmitting module and overheating protection main frame.
Fig. 4 is the structural representation of temperature acquisition of the present invention and transmitting device.
Fig. 5 is the A-A view of Fig. 4.
Fig. 6 is the B-B view of Fig. 4.
Fig. 7 is the annexation synoptic diagram of temperature detection circuit board of the present invention and temperature acquisition and transmitting device.
Fig. 8 is schematic block circuit diagram of the present invention.
Description of reference numerals:
Embodiment
Such as Fig. 1, Fig. 2 and shown in Figure 3, the present invention includes contact box box body 1, the one side upper end of described contact box box body 1 is provided with busbar mounting hole 2, described contact box box body 1 an interior side near busbar mounting hole 2 is provided with busbar fixed orifice 5 and fixed contact pedestal fixed orifice 6, it is characterized in that: be fixedly connected with the copper backing 11 that is positioned at described busbar mounting hole 2 below sides on the inwall of described contact box box body 1, described copper backing 11 is connected with described busbar fixed orifice 5, be fixedly connected with temperature detection circuit board 12 on the described copper backing 11, be provided with the temperature sensor 13 that detects in real time for the temperature to static contact on the described temperature detection circuit board 12, be provided with temperature acquisition and transmitting device 3 in the described busbar mounting hole 2, described temperature acquisition and transmitting device 3 comprise housing and are arranged on by the induction power supply module in the housing and temperature acquisition and transmission circuit plate 3-5, engagement connection has cap 3-6 on the described housing, described temperature detection circuit board 12 embeds and is installed on the described cap 3-6, be provided with temperature acquisition and transmission circuit 3-51 on described temperature acquisition and the transmission circuit plate 3-5, described temperature sensor 13 joins with described temperature acquisition and transmission circuit 3-51; Described temperature acquisition and transmission circuit 3-51 also communicate by letter with overheating protection main frame 4 wireless connections outside being arranged on contact box box body 1 by the second radio receiving transmitting module 14.Wherein, temperature detection circuit board 12 and temperature acquisition and transmitting device 3 have consisted of the overtemperature protection system that is embedded in the contact box.
Such as Fig. 4, Fig. 5 and shown in Figure 6, in the present embodiment, described housing is by shell body 3-7 and be sleeved in the shell body 3-7 and consist of with inner housing 3-8 that shell body 3-7 consists of the rectangular box shape, and described induction power supply module and temperature acquisition and transmission circuit plate 3-5 all are arranged in the space that is surrounded by shell body 3-7 and inner housing 3-8; Be filled with casting glue in the space between described induction power supply module, temperature acquisition and transmission circuit plate 3-5, shell body 3-7 and the inner housing 3-8; Described induction power supply module comprises and is set with coil fixing support 3-11 around the siliconized plate 3-10 that is arranged between described shell body 3-7 and the inner housing 3-8 on the described siliconized plate 3-10, is wound with inductive coil 3-9 on the described coil fixing support 3-11.
As shown in Figure 8, in the present embodiment, described temperature acquisition and transmission circuit 3-51 comprise first microprocessor module 3-1, the the first radio receiving transmitting module 3-2 that joins with first microprocessor module 3-1 and the voltage transitions that is used for inductive coil 3-9 output are the current rectifying and wave filtering circuit module 3-3 of temperature acquisition and each electricity consumption module required voltage of transmission circuit 3-51, described current rectifying and wave filtering circuit module 3-3 and inductive coil 3-9 join, the input end of described first microprocessor module 3-1 is connected to signal conditioning circuit module 3-4, described signal conditioning circuit module 3-4 is by the amplifying circuit module 3-41 that joins successively, filter circuit module 3-42 and A/D change-over circuit module 3-43 consist of, and described temperature sensor 13 joins with described amplifying circuit module 3-41; Described the first radio receiving transmitting module 3-2 is exposed at outward on the outer wall of described shell body 3-7.
As shown in Figure 3, in the present embodiment, be connected to external power interface 17 on the described current rectifying and wave filtering circuit module 3-3, described external power interface 17 outer being exposed on the outer wall of described shell body 3-7.By external power interface 17 is set, can access external power source and be temperature acquisition and transmission circuit 3-51 power supply, so just can be before the connection busbar, or before busbar is switched on, the performance of overtemperature protection system is tested.
As shown in Figure 8, in the present embodiment, described first microprocessor module 3-1 is single-chip microcomputer.Described the first radio receiving transmitting module 3-2 is comprised of the first infrared transmitting tube 3-21 and the first infrared receiving tube 3-22, and described the second radio receiving transmitting module 14 is by forming with the second infrared receiving tube 14-1 of the first infrared transmitting tube 3-21 wireless connections with the second infrared transmitting tube 14-2 of the first infrared receiving tube 3-22 wireless connections.
As shown in Figure 8, in the present embodiment, described overheating protection main frame 4 comprises overheating protection host shell 4-8 and is arranged on overheating protection host shell 4-8 inherent overheating protection circuit 4-3, described overheating protection circuit 4-3 comprises the second microprocessor module 4-1 and the RS-485 bus communication module 4-2 that joins with the second microprocessor module 4-1, the input end of described the second microprocessor module 4-1 is connected to key circuit module 4-4, and the output terminal of described the second microprocessor module 4-1 is connected to liquid crystal display circuit module 4-5, be used for the relay 4-7 of output alarm signal and the hummer 4-6 of the alerting signal that is used for sounding; Described key circuit module 4-4 and liquid crystal display circuit module 4-5 be outer being exposed on the outer wall of described overheating protection host shell 4-8 all.Particularly, described the second microprocessor module 4-1 is single-chip microcomputer.Wherein, relay 4-7 is set to be used in order to the user, for example the user can arrange alarm lamp, and relay 4-7 is connected in the current supply circuit of alarm lamp, when the second microprocessor module 4-1 control hummer 4-6 sounds alerting signal, the second microprocessor module 4-1 pilot relay 4-7 connects, and alarm lamp is lighted, and the user can learn that the temperature of static contact is too high by alarm lamp.
Such as Fig. 1, Fig. 2 and shown in Figure 3, in the present embodiment, be provided with interior cluster parachute 7 on the side inwall away from busbar mounting hole 2 in the described contact box box body 1, described contact box box body 1 has a contact box mount pad 8 away from a side of busbar mounting hole 2 is outside one-body molded, be provided with a plurality of contact boxs on the described contact box mount pad 8 and install and fix hole 9, the contact box box body 1 between described busbar fixed orifice 5 and contact box mount pad 8 is provided with outer cluster parachute 10.
In conjunction with Fig. 7, in the present embodiment, be provided with the first threaded hole on the described copper backing 11, be provided with the second threaded hole 15 that matches with the first threaded hole on the described temperature detection circuit board 12, described temperature detection circuit board 12 is threaded connection at described the first threaded hole and is fixedly connected with described copper backing 11 with bolt 16 in the second threaded hole 15, and described copper backing 11 all is fixedly connected with by the inwall of casting glue with described contact box box body 1 with temperature detection circuit board 12.
Installation process during of the present invention use is: 1) induction power supply module and temperature acquisition and transmission circuit plate 3-5 are put into the space that is surrounded by shell body 3-7 and inner housing 3-8, and the input signal cable of the amplifying circuit module 3-41 on the output signal line of the temperature sensor 13 on the temperature detection circuit board 12 and temperature acquisition and the transmission circuit plate 3-5 is linked to each other; 2) fill casting glue in the space between induction power supply module, temperature acquisition and transmission circuit plate 3-5, shell body 3-7 and inner housing 3-8; 3) temperature detection circuit board 12 embeddings are installed on the cap 3-6, and cap 3-6 is covered, like this, just temperature acquisition and transmitting device 3 are connected into for an integral body with temperature detection circuit board 12; 4) temperature acquisition and transmitting device 3 are passed busbar mounting hole 2 with the integral body of temperature detection circuit board 12, the shell body 3-7 of temperature acquisition and transmitting device 3 just in time has been stuck in the busbar fixed orifice 5, temperature detection circuit board 12 is fixed on the copper backing 11 with the bolt 16 that is arranged on the first threaded hole on the copper backing 11 with passing the second threaded hole 15, use again the casting glue embedding, so that copper backing 11 and temperature detection circuit board 12 all firmly have been fixed on the inwall of contact box box body 1 by casting glue; 5) busbar is penetrated in the contact box in the hole of the housing of formation temperature acquisition and transmitting device 3, and with the bolts that pass busbar and penetrate in the busbar fixed orifice 5 busbar is fixed in the contact box, then fixed contact pedestal is put into contact box, and with the bolts that pass fixed contact pedestal and busbar and penetrate in the fixed contact pedestal fixed orifice 6 fixed contact pedestal is fixed in the contact box, owing to be fixed with static contact on the fixed contact pedestal, therefore so just fixed static contact.Because copper backing 11 is connected with described busbar fixed orifice 5, therefore, static contact adstante febre, heat just can be directly passed to copper backing 11 by fixed contact pedestal and busbar, and temperature sensor 13 just can directly detect the static contact temperature in real time.
Course of work when the present invention uses is: 1) by the key circuit module 4-4 on the operation overheating protection main frame 4 the static contact temperature threshold is set, the second microprocessor module 4-1 stores the static contact temperature threshold that arranges; 2) after the busbar energising, the voltage that inductive coil 3-9 induction produces carries out after the voltage transitions each electricity consumption module in the supplying temperature collection and transmission circuit 3-51 by current rectifying and wave filtering circuit module 3-3; 3) in moving contact and the static contact touching course of work, the temperature of 13 pairs of static contacts of temperature sensor detects in real time and detected signal is exported to signal conditioning circuit module 3-4, amplifying circuit module 3-41, filter circuit module 3-42 among the signal conditioning circuit module 3-4 and A/D change-over circuit module 3-43 amplify, export to first microprocessor module 3-1 after filtering and the A/D conversion process signal successively, first microprocessor module 3-1 carries out analyzing and processing to its signal that receives, and obtains the real time temperature of static contact and stores; First microprocessor module 3-1 in the overheating protection main frame 4 sends synchronizing signal by the second infrared transmitting tube 14-2 to temperature acquisition and transmission circuit 3-51; receive the synchronizing signal of the second infrared transmitting tube 14-2 transmission by the first infrared receiving tube 3-22 as first microprocessor module 3-1 after; by the first infrared transmitting tube 3-21 the real time temperature of the static contact of its storage is sent to overheating protection main frame 4; the second microprocessor module 4-1 in the overheating protection main frame 4 receives the real time temperature signal of static contact by the second infrared receiving tube 14-1; control liquid crystal display circuit module 4-5 shows in real time; and the real time temperature of static contact and the static contact temperature threshold of storage compared; when the real time temperature of static contact surpasses the static contact temperature threshold; the the second microprocessor module 4-1 control hummer 4-6 alerting signal of sounding; and pilot relay 4-7 connects; be used for output alarm signal, remind the staff to take corresponding measure.
The above; it only is preferred embodiment of the present invention; be not that the present invention is imposed any restrictions, every any simple modification, change and equivalent structure of above embodiment being done according to the technology of the present invention essence changes, and all still belongs in the protection domain of technical solution of the present invention.
Claims (10)
1. the contact box of an embedded overtemperature protection system, comprise contact box box body (1), the one side upper end of described contact box box body (1) is provided with busbar mounting hole (2), side near busbar mounting hole (2) in the described contact box box body (1) is provided with busbar fixed orifice (5) and fixed contact pedestal fixed orifice (6), it is characterized in that: be fixedly connected with the copper backing (11) that is positioned at described busbar mounting hole (2) below side on the inwall of described contact box box body (1), described copper backing (11) is connected with described busbar fixed orifice (5), be fixedly connected with temperature detection circuit board (12) on the described copper backing (11), be provided with the temperature sensor (13) that detects in real time for the temperature to static contact on the described temperature detection circuit board (12), be provided with temperature acquisition and transmitting device (3) in the described busbar mounting hole (2), described temperature acquisition and transmitting device (3) comprise housing and are arranged on by the induction power supply module in the housing and temperature acquisition and transmission circuit plate (3-5), engagement connection has cap (3-6) on the described housing, described temperature detection circuit board (12) embeds and is installed on the described cap (3-6), be provided with temperature acquisition and transmission circuit (3-51) on described temperature acquisition and the transmission circuit plate (3-5), described temperature sensor (13) joins with described temperature acquisition and transmission circuit (3-51); Described temperature acquisition and transmission circuit (3-51) are also communicated by letter by the second radio receiving transmitting module (14) overheating protection main frame (4) wireless connections outer with being arranged on contact box box body (1).
2. according to the contact box of embedded overtemperature protection system claimed in claim 1, it is characterized in that: described housing is by shell body (3-7) and be sleeved in the shell body (3-7) and consist of with inner housing (3-8) that shell body (3-7) consists of the rectangular box shape, and described induction power supply module and temperature acquisition and transmission circuit plate (3-5) all are arranged in the space that is surrounded by shell body (3-7) and inner housing (3-8); Be filled with casting glue in the space between described induction power supply module, temperature acquisition and transmission circuit plate (3-5), shell body (3-7) and the inner housing (3-8); Described induction power supply module comprises around the siliconized plate (3-10) that is arranged between described shell body (3-7) and the inner housing (3-8), be set with coil fixing support (3-11) on the described siliconized plate (3-10), be wound with inductive coil (3-9) on the described coil fixing support (3-11).
3. according to the contact box of embedded overtemperature protection system claimed in claim 2, it is characterized in that: described temperature acquisition and transmission circuit (3-51) comprise first microprocessor module (3-1), the first radio receiving transmitting module (3-2) that joins with first microprocessor module (3-1) and the voltage transitions that is used for inductive coil (3-9) output are the current rectifying and wave filtering circuit module (3-3) of temperature acquisition and each electricity consumption module required voltage of transmission circuit (3-51), described current rectifying and wave filtering circuit module (3-3) is joined with inductive coil (3-9), the input end of described first microprocessor module (3-1) is connected to signal conditioning circuit module (3-4), described signal conditioning circuit module (3-4) is by the amplifying circuit module (3-41) of joining successively, filter circuit module (3-42) and A/D change-over circuit module (3-43) consist of, and described temperature sensor (13) joins with described amplifying circuit module (3-41); Described the first radio receiving transmitting module (3-2) is outer to be exposed on the outer wall of described shell body (3-7).
4. according to the contact box of embedded overtemperature protection system claimed in claim 3; it is characterized in that: be connected to external power interface (17) on the described current rectifying and wave filtering circuit module (3-3), described external power interface (17) is outer to be exposed on the outer wall of described shell body (3-7).
5. according to the contact box of embedded overtemperature protection system claimed in claim 3, it is characterized in that: described first microprocessor module (3-1) is single-chip microcomputer.
6. according to the contact box of embedded overtemperature protection system claimed in claim 3; it is characterized in that: described the first radio receiving transmitting module (3-2) is comprised of the first infrared transmitting tube (3-21) and the first infrared receiving tube (3-22), and described the second radio receiving transmitting module (14) is by forming with second infrared receiving tube (14-1) of the first infrared transmitting tube (3-21) wireless connections with second infrared transmitting tube (14-2) of the first infrared receiving tube (3-22) wireless connections.
7. according to the contact box of embedded overtemperature protection system claimed in claim 2, it is characterized in that: described overheating protection main frame (4) comprises overheating protection host shell (4-8) and is arranged on overheating protection host shell (4-8) inherent overheating protection circuit (4-3), described overheating protection circuit (4-3) comprises the second microprocessor module (4-1) and the RS-485 bus communication module (4-2) of joining with the second microprocessor module (4-1), the input end of described the second microprocessor module (4-1) is connected to key circuit module (4-4), and the output terminal of described the second microprocessor module (4-1) is connected to liquid crystal display circuit module (4-5), be used for the relay (4-7) of output alarm signal and the hummer (4-6) of the alerting signal that is used for sounding; Described key circuit module (4-4) and liquid crystal display circuit module (4-5) be outer being exposed on the outer wall of described overheating protection host shell (4-8) all.
8. according to the contact box of embedded overtemperature protection system claimed in claim 7, it is characterized in that: described the second microprocessor module (4-1) is single-chip microcomputer.
9. according to the contact box of embedded overtemperature protection system claimed in claim 1; it is characterized in that: be provided with interior cluster parachute (7) on the side inwall away from busbar mounting hole (2) in the described contact box box body (1); described contact box box body (1) has a contact box mount pad (8) away from a side of busbar mounting hole (2) is outside one-body molded; be provided with a plurality of contact boxs on the described contact box mount pad (8) and install and fix hole (9), be positioned on the contact box box body (1) between described busbar fixed orifice (5) and the contact box mount pad (8) and be provided with outer cluster parachute (10).
10. according to the contact box of embedded overtemperature protection system claimed in claim 1; it is characterized in that: described copper backing is provided with the first threaded hole on (11); be provided with the second threaded hole (15) that matches with the first threaded hole on the described temperature detection circuit board (12); described temperature detection circuit board (12) is threaded connection at described the first threaded hole and is fixedly connected with described copper backing (11) with bolt (16) in the second threaded hole (15), and described copper backing (11) all is fixedly connected with by the inwall of casting glue with described contact box box body (1) with temperature detection circuit board (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310314944.1A CN103364100B (en) | 2013-07-24 | 2013-07-24 | Contact box with built-in over-temperature protection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310314944.1A CN103364100B (en) | 2013-07-24 | 2013-07-24 | Contact box with built-in over-temperature protection device |
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| CN103364100A true CN103364100A (en) | 2013-10-23 |
| CN103364100B CN103364100B (en) | 2015-04-01 |
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| CN201310314944.1A Active CN103364100B (en) | 2013-07-24 | 2013-07-24 | Contact box with built-in over-temperature protection device |
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| CN105649604A (en) * | 2015-12-30 | 2016-06-08 | 中国石油天然气集团公司 | Electrode and circuit built-in structure |
| WO2019169894A1 (en) * | 2018-03-09 | 2019-09-12 | Abb Schweiz Ag | Device for measuring temperature of conductor |
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|---|---|
| CN103364100B (en) | 2015-04-01 |
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Effective date of registration: 20160217 Address after: 324100 Zhejiang province Quzhou chuang'an sea Cooperation Zone Jiangshan Road Economic Development Zone No. 8 Patentee after: Zhejiang Jiangshan Huaan Electrical Appliance Manufacturing Co., Ltd. Address before: High tech Zone Building Station Road 710118 in Shaanxi province Xi'an City No. 109 yuan at the beginning of the scientific research and production of science and Technology Park Building 5 floor Patentee before: Xi'an Shenghuaan Electrical Technology Co., Ltd. Patentee before: Liu Quan |
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Denomination of invention: Contact box with built-in over-temperature protection device Effective date of registration: 20180806 Granted publication date: 20150401 Pledgee: Zhejiang Jiangshan rural commercial bank Limited by Share Ltd Pledgor: Zhejiang Jiangshan Huaan Electrical Appliance Manufacturing Co., Ltd. Registration number: 2018330000222 |
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Date of cancellation: 20190529 Granted publication date: 20150401 Pledgee: Zhejiang Jiangshan rural commercial bank Limited by Share Ltd Pledgor: Zhejiang Jiangshan Huaan Electrical Appliance Manufacturing Co., Ltd. Registration number: 2018330000222 |
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Denomination of invention: Contact box with built-in over-temperature protection device Effective date of registration: 20190530 Granted publication date: 20150401 Pledgee: Zhejiang Jiangshan rural commercial bank Limited by Share Ltd Pledgor: Zhejiang Jiangshan Huaan Electrical Appliance Manufacturing Co., Ltd. Registration number: 2019330000141 |
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Date of cancellation: 20200729 Granted publication date: 20150401 Pledgee: Zhejiang Jiangshan rural commercial bank Limited by Share Ltd. Pledgor: ZHEJIANG JIANGSHAN HUAAN ELECTRIC Co.,Ltd. Registration number: 2019330000141 |
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Denomination of invention: Contact box embedded with overheating protection device Effective date of registration: 20211008 Granted publication date: 20150401 Pledgee: Zhejiang Jiangshan rural commercial bank Limited by Share Ltd. Pledgor: ZHEJIANG JIANGSHAN HUAAN ELECTRIC Co.,Ltd. Registration number: Y2021330001832 |